欧洲欧洲黄页网址免费

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        yingfeng brick machine
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        CONTACT US
        MOBILE(For English Service):
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        Email: kai@yfbrickmachine.com
        Skype: fanchen588
        Address: Block 5,South Longhai Road and East Tongbai Road,Zhongyuan District,Zhengzhou City,Henan Province,China
        Home > FAQ
          Q: How to make red bricks?

        The production process of sintered bricks is generally composed of four parts: raw material preparation, blank body forming, wet blank drying, and finished product firing.After raw materials are excavated, some can be processed by adding water, stirring and grinding equipment,while others will not work.Raw materials,such as mountain soil, coal gangue and shale,are to be broken and finely chopped, then followed by water mixing and grinding.The choice and preparation of raw materials directly affect the quality of the finished product.As the saying goes, raw materials are fundamental to making sintered bricks,showing the importance of the raw materials preparation and raw materials.

        After the selected brick raw materials are processed, they enter the molding workshop for molding.Blank forming method basically uses plastic extrusion molding in China.There are three methods for plastic extrusion. That is plastic extrusion molding,semi-hard plastic extrusion molding and hard plastic extrusion molding.

        These three extrusion methods are based on the difference in the moisture content of the molding.When the moisture content more than 16%,wet billet molding is plastic extrusion molding. When the moisture content equals 14-16%, its semi-hard plastic extrusion molding. When the moisture content equals 12-14% ,its hard plastic extrusion molding.Blank forming includes: feeding material , mixing,adding water and grinding equipment processing before raw materials entering the molding shop not brick extruding machine.After passing through the molding brick machine, the qualified mud and wet billet are formed.Forming process should fulfill the requirement of the shape and structure.Forming is the foundation of the brick making process.The quality of the formed body is directly related to the appearance quality of the finished tile.

        After the wet billets formed from the molding plant, they need to be dried by dehydration.In the production process of sintered bricks, there are two ways of drying wet blank: natural drying and artificial drying.

        The natural drying is to place the wet billet on the billet stalk in the natural drying place,manually invert the code and use the atmosphere to wet the cold billet into a dry billet.Artificial drying is to use equipped artificial drying chamber to dry wet billet.The artificial drying room is divided into three types: large-section tunnel drying room, small-section tunnel drying room and chamber drying room.Whichever type is adopted, it is manually or mechanically placing wet billet on a drying truck,then put it into drying chamber.The heat medium in the drying chamber generally comes from the waste heat of the sintering kiln or the hot blast stove.Whichever drying method is adopted, it must be ensured that the blank will not be deformed or chapped during the drying process.If the wet billet cant guarantee the appearance quality of the product during drying, it will cause high reject rate, falling output,increasing cost of the finished brick, which are definitely harmful to company economic efficiency.This shows the importance of drying wet billet in brick making process.

        If the residual moisture rate after drying is less than 6%,the wet billet could be fired in the baking kiln.Hoffman kiln and tunnel kiln are normally used for roasting.When using Hoffman kiln, the brick code is manually placed in the kiln and the fire is roasted in the kiln.When using tunnel kiln,the brick code is manually or mechanically placed in the kiln cart.The kiln car enters kiln head and exits from the kiln tail. The brick blanks on the kiln car are roasted into bricks.The roasting flame in the kiln doesnt move just the kiln cart.Whether using Hoffman kiln or tunnel kiln,this two conditions must be followed:1.never use underfire to produce unburnt brick.2.never use big fire to produce coke brick.It is often said that roasting is the key of the brick making process,which explains the importance of roasting in the brick making process.

        Sintered brick process is composed of four parts.To sum up,it is said that the raw material is fundamental,molding is the basis,drying is ensure and roasting is the key. These four parts are interdependent.


          Q: How to make bricks from clay ?

        A brick is building material used to make walls, pavements and other elements in masonry construction. Traditionally, the term brick referred to a unit composed of clay, but it is now used to denote any rectangular units laid in mortar. A brick can be composed of clay-bearing soil, sand, and lime, or concrete materials. Bricks are produced in numerous classes, types, materials, and sizes which vary with region and time period, and are produced in bulk quantities. Two basic categories of bricks are fired and non-fired bricks.

        Block is a similar term referring to a rectangular building unit composed of similar materials, but is usually larger than a brick. Lightweight bricks (also called lightweight blocks) are made from expanded clay aggregate.

        Fired bricks are one of the longest-lasting and strongest building materials, sometimes referred to as artificial stone, and have been used since circa 5000 BC. Air-dried bricks, also known as mudbricks, have a history older than fired bricks, and have an additional ingredient of a mechanical binder such as straw.

        Bricks are laid in courses and numerous patterns known as bonds, collectively known as brickwork, and may be laid in various kinds of mortar to hold the bricks together to make a durable structure

        https://en.wikipedia.org/wiki/Brick


          Q: How to open a clay brick factory?

        Basic elements:

        1. raw materials   2.water   3.electricity   4 land   5.fund

        Step 1: Investigate the market and confirm the demand

        To determine new plant production scale should refer to the local market conditions.First of all, we shall thoroughly investigate local brick and tile market conditions and grasp following situation:current market demand,actual production volume of existing companies, how big the market gap is,current selling price of brick and tile products and the demand and price trend.Besides,is there the same new brick factory to be built?What is the production scale?After mastering above conditions, the new plant can be determined.

        Step 2: Confirm brick type

        Formulate product production plan according to the condition of raw materials.When you build a new factory, you must have a clear understanding of the local production materials.After determining the dosing plan and selecting raw materials, we must determine the production plan and scale according to local market conditions. It is suitable for hollow brick or hole brick?Whether annual production scale should be 50 million or 80 million?

        Step 3: Confirm the production process and equipment

        Selected production process and equipment according to raw materials.Clarify your raw material properties before starting new plant.Please have experienced technical staff to plan the production route and conduct selection or design production equipment.Not all equipment can adapt to your raw materials.

        Step 4: Infrastructure construction

        After determining production scale, it is possible to determine area, process direction, equipment layout of production plant and the location of living area according to the size of production volume.Plan plant elevation based on local geological, hydrological and meteorological conditions.]Arrange various production workshops according to the wind direction.To determine the mode of production, shall it be labor-intensive companies or technology-intensive enterprises,requires whole careful plan and design by technicians based on the results of technical and economic analysis.

        1. Civil work: including Chenhuachi, workshops, doors, windows, and roofs of aging workshop.Meet installation requirements of reversible spreaders, multi-bucket excavators and conveyor belts.At the same time, water supply and drainage and heating are completed.

        2. Aging workshop:The crushing workshop completes all civil construction tasks inside and outside the crushing room and feeding room.Complete the plant closure work.Meet installation requirements of feeder boxes, belts, crushers, vibrating screens, back-feed belts, and aging conveyor belts etc.

        3. Molding workshop:including the feeding box, mixer, clay machine, extruder, cutting and transportation construction, as well as the kiln base after pouring belt,top car machine, tractor, kiln channel pavement, cushion and other construction.

        4. The civil construction scope for air compressor stations, plumbing, substations, fire pump rooms, etc. includes drying kiln, roasting kiln, ferry car,hydraulic pusher,return tractor,traction machine, winch, tidal fan, blower, kiln cooling fan,pipeline , heat exchanger,kiln car production, track and so on.

        Step 5:Preparation before production

        1. organization construction

        2. Make plans and regulations

        3. Maintain and add equipment

        4. Clean up the existing dry site and drying supplies

        5. Maintain kiln

        6. Maintain electrical equipment

        7. Prepare sufficient fuel

        8. Preparation of auxiliary items for production

        9. Construct road and drainage

        10. Prepare raw materials in advance

        11. Ensure safety precautions

        12. Run a test

        13. Prepare spare parts

        Entry arrangement for overall equipment:

        1. box feeder,crusher,roller screen,mixer,belt,precipitator etc in crushing workshop

        2. Multi-bucket excavator, reversible spreader

        3. Box feeder , mixer, vacuum extruder, cutting and transporting equipments

        4. Ferry car,hydraulic pusher,return tractor and hoist.



          Q: Plasticity index of brick raw materials

        The plasticity expressing in Chinas brick and tile industry is now proposed by the Swedish A. Aterberg in 1911.Plasticity index is expressed as the range of water content when the clay is in a plastic state,whose value is equal to the difference between flow limit and plastic limit.Flow limit, also known as liquid limit, is water amount that clay enters a flowing state.Plastic limit is water amount that clay can be rolled into 3mm diameter.

        According to this method, the plasticity index is used to classify clay as: high plasticity clay >15%; medium plasticity clay 7%-15%; low plasticity clay<7%.

        This method has been widely used for many years in the fields of soil science and engineering geology.Although China's brick and tile industry has been using it for many years, it is only for soft and dispersed clay raw materials.For coal gangue, shale, etc., which rely on reducing particle size to obtain plasticity, there is a great deal of deviation in using this method.For example, the plasticity of raw materials such as coal gangue and shale depends on crushing to reduce the particle size to a certain degree, adding water to the particles after decomposing (aging), and it is changeable during processing.If the hard clayey shale or coal gangue rich in illite is ground to a sufficiently fine degree (such as cement fineness),the plasticity index may reach a pretty high level.And formed moisture content and drying shrinkage may be larger than common clay materials, which totally differ from common brick clay.

        The plasticity index of common brick clay is relatively stable.In terms of this type of material, which depends on crushing process reducing particle size to obtain plasticity, its plasticity index is variable during processing.For example, when a certain coal gangue is crushed below 0.9 mm in the laboratory, according to geotechnical test method, the plasticity index is measured as only 7.2%.However, after adding 40% of excessively fired vermiculite (essentially no plasticity),then adding water, aging, and crushing on the roller, vacuum extrusion,plasticity index of the small sample actually reached 10.5%.For example, when other shales were crushed to less 0.9 mm, the plasticity index is measured as 8.4% according to geotechnical test method.However, after adding 40% (by weight) of fly ash,then mixing with water, aging, and crushing,plasticity index of the small sample extruded by the vacuum extruder reached 9.5%.This is still the result after revalidation according to the geotechnical test method,which fully demonstrates that the current geotechnical test method used in the brick and tile industry cant correctly reflect the characteristics of raw materials such as coal gangue and shale during processing and forming.In order to further prove the fact that raw materials such as shale or coal gangue relys on reducing the particles size to obtain plasticity, the hard shale in a place near Shijiazhuang was crushed into two groups in the laboratory.One group all can pass 0.9 mm sieve; the other can all pass 0.5 mm sieve.However, the shale of the same mineral composition differs greatly in its plasticity index only due to its different grain sizes, one being 4.8% (0.9 mm) and the other being 8.9% (0.5 mm).In order to further verify this phenomenon, this two groups were blended together in different proportions to determine their plasticity index, drying line shrinkage rate and drying sensitivity index. The results are shown in the following table.

        Blending ratio %

        Weight

        Flow limit%

        Plastic limit%

        Plasticity index%

        Drying sensitivity index

        Dry linear shrinkage

        0.5

        0.9

        10

        90

        17.3

        12.3

        5.0

        0.47

        1.94

        20

        80

        17.6

        11.7

        5.9

        0.68

        2.06

        30

        70

        18.3

        12.1

        6.2

        0.66

        2.12

        40

        60

        19.0

        12.7

        6.3

        0.76

        2.32

        50

        50

        19.8

        13.4

        6.4

        0.87

        2.34

        60

        40

        19.0

        11.8

        7.2

        0.85

        2.66

        From the above table, it can be clearly seen that the plasticity index, dryness sensitivity index, and dry linear shrinkage of the mixture tend to increase with the increase of the particle composition below 0.5 mm in the mixture.This fully shows that the use of geotechnical test method can not fully evaluate the properties of plastic materials such as shale and coal gangue that rely on reducing particle size.From the above analysis, the plasticity degree has a great relationship with the particle size of clay minerals.

        For example, assuming that the type and total amount of clay minerals contained in a kind of clay are exactly the same as that in a certain type of shale, plasticity index measured by the geotechnical test method is much higher than shale,because  dispersed clay mineral particles in the clay are uniform and small.If the shale is fully crushed, so that the clay minerals in the shale reach a finely dispersed state like the clay mineral particles contained in the clay, it is possible that the plasticity index measured by the geotechnical test method will be the same as that of the clay.However, it cant be achieved in actual production,causing a great plasticity fluctuation during processing raw materials such as coal gangue and shale.Which method should be used to describe and compare the plasticity of these raw materials?

        First of all, it is necessary to limit the particle size composition of this kind raw materials after crushing.According to the practice and research of bricks and tiles produced by shale in USA for many years, shale crushing can provide 0.053 mm (270 mesh) or more particles.And it is thought that shale crushed should have three levels of particle grading:(1)The decorative coarse grain should occupy 0-3% (the grain size is generally 1.2-2.4 mm, sometimes it can reach 9.5 mm. It can be used without coarse grain decoration);(2)Filled granules should occupy: 20-65% (1.2-0.3 mm, this granules part is to limit the excessive shrinkage, cracks and deformation of the granules);(3)Plastic particles should account for 35-50% (below 0.053)

        This indicates the minimum of plastic particles less than 0.053 mm after comminution,whether it is shale or coal gangue. The amount of particles smaller than 1 mm, or less than 0.05 mm, which was previously proposed in the design, is a very inaccurate method.If the gangue is completely crushed into 1 mm diameter pellets, it is possible that this material will not have the plasticity for forming.Before determining materials plasticity such as coal gangue and shale, the particles content less than 0.053 mm should be measured after the raw materials are crushed, and the content of this component should be controlled over 40%.This limit value can also be used as a basis for equipment selection during plant design and basic requirements for product quality control.In addition,this type of material relying on reducing particle size to obtain plasticity, whose particle size are falling in the processing of crushing, stirring, adding water, aging, milling, vacuuming, etc., or due to particles loosening caused by water effect.Therefore,determining this plasticity should be done at the outlet of the extruder or use other expression methods,in addition to the case where the limit after the comminution is less than 0.053 mm, the particle composition is greater than 40%.Another noteworthy situation is that when crushing hard or semi-rigid raw materials such as shale and coal gangue,the particle size distribution of the crushing material is very narrow,due to improper crushing equipment or processes.The direct results are poor strength of green body, or the difficulty in molding, or the poor frost resistance of the sintered product. Because unreasonable particle distribution will cause that the particles in the green body cant reach the closest aggregation state.


          Q: Reasons and solutions of affecting bricks quality

        why clay brick break, why clay brick crack ,why does brick crack?

        Most of brick factory owners spent a lot of time and fianace to start their brick factories, however,not all of them get success, the reasons is that before starting clay brick factory, they did not conduct enough study and servey. To avoid investment loss for clay brick production, we have made the following summary for the common phenomenon of poor quality bricks and common mistakes the new clay brick facotry owners always make.

        1, Malformed adobe, appears large cracks. In more serious cases, the whole adobe will split.

        Reasons: the plasticity index of pug is too low, almost no plasticity.

        Solution: to increase the plasticity index of raw materials, such as clay, coal slime or clay agent, etc.

        For raw materials of low plasticity index, it can also be improved after aging, watering, stirring, rolling, extruding and other methods.

        2, The body of adobe is not smooth, the obvious particles, more sand pits, and horns or flutes are missing.

        Reasons: The shatter of raw materials does not meet the requirements of making bricks because there is much large particles.

        Solutions: Install fine grinding equipment, as required for crushing the raw materials to make particles 3 mm or less.

        Some kiln owners are not willing to spend money in equipping the machinery of raw material pre-treatment, such as roller crusher,double shaftmixers. Some kilns are only equipped with a pair of rollers, some only with mixers, some even neither of them. How can we get good bricks if there are bricks, tile, stone and other debris in the mud raw materials? Even if it is hard to send someone to pick them out clean. The fundamental way to solve the problem is equipped with auxiliary equipment.

        3, The quality of adobe is unstable, sometimes good and sometimes poor.

        Reasons: uneven mixing of raw materials

        Solutions: Increase the mixer and feeder

        Some brick factories are not equipped with rollers and mixers, even without the feeders, all by artificially feeding into the brick machine with shovel, which inevitably occurs two major drawbacks.①, raw material soil cannot be stirred and mixed well. The plasticity of raw soil is not exactly the same, and sometimes the disparity is very great, the Yellow River sludge is like that.②, the inside fuels such as coal, coal gangue, slime and others cannot be stirred evenly. The two heterogeneous, will inevitably lead to the instability of adobes’ quality.

        4, malformed adobe and mud column, will spread immediately after cutting.

        Reasons: Failure of the vacuum chamber

        Solutions: a, improve the maintenance, service, repair technology of brick machine to ensure the normal function of brick machines’ properties. b, make the necessary technical transformation

            b, Another reason for resulting in failure of the vacuum chamber, is the sand-based raw material, so the closed mud layer of the upper auger is too thin, easy to be drawn through, causing the vacuum failure, so the adobe could not be molded. The best way to solve this problem is to change the ratio of raw materials, to increase the plasticity index of raw materials. The other way is to cut the front end of the superiors auger to 2-10 centimeters according to the material properties of soil (must be conducted under the guidance of skilled technical personnel, don’t do it by yourself).

        5, Many brick cracks on adobes or broke into two sections, more wastes after sintering.

        Reasons: There are too many viscous ingredients in raw materials, so the plasticity index is too high.

        Solutions: change the ratio of raw materials, reduce the plasticity index. The plasticity index of clay can be up to 25, can be properly incorporated into the coal ash, slag, fly ash or waste of brick powder to make it thin.

        6, Soft adobe, easy to form, or crack after cutting.

        Reason: the improper control of moisture in the mud.

        Solution: soft adobe, easy to be deformed, showing that the water of sludge is too much, should reduce water. If the mud column quickly occurs crack or split of mud column after molding, which is caused by too little water in mud, it can be solved by increasing appropriate water.

        7. Brick production capacity not stable

        Reason: Not equip with box feeder

        Solution : Some brick factory owners in order to save money, they refuse to use box feeder but some labors to feed soil manually .Therefore, soil feeding amount is not stable,sometimes more than what the extruder need, some times, less what extruder need, thus greatly influencing production capacity.

        All in all, there are all kinds of raw materials to make bricks, in addition to the different climate, some abnormal situations inevitably occur in the production and it is really hard to avoid. If there are problems, knowing the following two points will be easy. One isto havea team with a strong sense of responsibility and a technical team ofprofessional mechanics. Two is to timely communicate high and difficult technical problems with industry colleagues.


          Q: How many types of vacuum brick extruder based on vacuum extruding pressure?

        ●This equipment is for vacuum extruding and molding the products of fired common brick, fired perforated brick, fired hollow brick, hollow block and etc.

        ●Our extruder has three forms: soft plastic vacuum extruder, semi hard vacuum extruder and hard plastic vacuum extruder.

        ●Soft plastic vacuum extruder is suitable for the raw materials with moisture content higher than 19%;the allowed extrusion pressure is 0.4~1.8 MPa.

        ●Semi hard vacuum extruder is suitable for the raw materials with moisture content between 16%~19%;the allowed extrusion pressure is 1.8~2.5 MPa.

        ●Hard plastic vacuum extruder is suitable for the raw materials with moisture content lower than 16%;the allowed extrusion pressure is 2.5~4.5 MPa.


          Q: What is difference between single stage and double stage vacuum extruder

        DZK series clay brick making machine is divided into Double stage vacuum extruder and single stage vacuum extruder:

        1) Double stage Vacuum brick extruder can make three kinds of brick, solid brick, porous brick and hollow bricks. To produce different kinds of bricks, usually, only need to fix different brick die. It is composed of upper stage mixing parts and lower stage extruding parts;

        2) Single stage vacuum extruder usually can produce solid bricks. It has only lower stage extruding parts;

        You can get hollow bricks too if your soil quality is very high.

        3) Double stage vacuum extruder has higher capaicty ,higher vacuum pressure than single stage vacuum extruder . Also double stage extruder green bricks contains less moisture


          Q: How our brick machine works?Can you supply video?

        Yes,the following are video links, please refer to them and let us know if you have any confusion.

        brick machine video, clay brick machine video, clay brick making machine video

        1) Yingfeng brick machine. JZ300 4000 Indian bricks per hou clay brick making line
           https://www.youtube.com/watch?v=sjg7GsfcYfk
        2) Thrust sieve for soil process for producing clay bricks
           https://www.youtube.com/watch?v=BCrIGMvT6SU
        3) Yingfeng Clay roof tile press machine
           https://www.youtube.com/watch?v=hJP1iby2fxQ
        4) Yingfeng Clay tile press machine ,how to produce clay roof tile
          https://www.youtube.com/watch?v=kjcssOFZcoI
        5) Yingfeng semi auto brick logo press machine
          https://www.youtube.com/watch?v=lf79TH_Vu5E
        6) Yingfeng JZ250 clay brick machine in Uganda
          https://www.youtube.com/watch?v=acgAsZIZJ5g
        7) Yingfeng Automatic Brick packing machine
          https://www.youtube.com/watch?v=9NaXLYaZhlU
        8) Yingfeng Twice auto brick stacking machine
          https://www.youtube.com/watch?v=7Am0RvUssDg
        9) Yingfeng Auto clay block stacking robot
          https://www.youtube.com/watch?v=DbeyYQT3gzU
        10) Yingfeng Auto brick sealing machine
          https://www.youtube.com/watch?v=--8WtcJgmjg
        11) Yingfeng adobe brick delivery car
          https://www.youtube.com/watch?v=Xj5o1S71Rp4
        12) JKR40 Vacuum extruder / clay block making machine
          https://www.youtube.com/watch?v=jZmoW49xtF8
        13) Yingfeng JKR40 Clay block machine
          https://www.youtube.com/watch?v=qOCe79N43ns
        14) China Yingfeng JKRL45 automatic clay brick line with auto brick loading system
          https://www.youtube.com/watch?v=3DCR2rR_wYA
        15) China Yingfeng JKRL35 vacuum brick making machine
          https://www.youtube.com/watch?v=IQtzh_pjcxA
        16) Yingfeng JZK30 Vacuum clay brick machine
          https://www.youtube.com/watch?v=TBgEnsWOGyM
        17) Yingfeng automatic clay brick cutting and loading carriers
          https://www.youtube.com/watch?v=3wuccqZbwb0
        18) Yingfeng full automatic brick Logo press machine
          https://www.youtube.com/watch?v=QHTEElp7LJs
        19) Yingfeng Auto clay brick loading carriers
          https://www.youtube.com/watch?v=ar4kUhhiTxk
        20) Yingfeng NC control Hollow clay brick cutting machine
          https://www.youtube.com/watch?v=IsxDxB6k_Uw
        21) Yingfeng Automatic brick stacking machine
          https://www.youtube.com/watch?v=r45s8057XGY
        22) Yingfeng full auto brick produciton line with tunnel kiln
          https://www.youtube.com/watch?v=8R_XzKkDySU
        23) Ying Feng JZK50 with dryer and kiln
          https://www.youtube.com/watch?v=AyTanhTc9xI



          Q: What types of brick machine can your company produce?

        Our company produces non-vacuum brick extruder, single-stage vacuum brick extruder, compact two-stage vacuum brick extruder, split two-stage vacuum extruder. Customers can choose according to their own needs.

        Also we supply interlock brick making machine, interlock block making machine. Cement block making machine.

        You can download our brick machine details and price list on our website: www.vsdebant.com

        Non-vacuum brick machine series: JZ250.300, 350,400.
        Single Stage Vacuum brick machine: DZK26, 28, 30,35,40,45


          Q: What wear resistant material to repair brick-tile equipment ?

        How to repair clay brick making machine,how to fix clay brick making machine ?

        In brick tile machine,  the parts where the soil goes through is easy to be worn out .If we do not repair

        the easy wear parts timely, the production will be influeced.

        But what materials we should use to repair the easy wear parts ?

        Usually we use A3 Carbon steel to repair the extruder auger and liner, double shaft mixer blades etc.

        However, we find that after the Carbon steel can not fit for long time wear resistant requirment. After

        some time , we find that if we adopt  Fe-Cr-B wear - resistant electrode to repair auger,we get can

        1.8 million green bricks while previously we only got 400,000 green bricks by carbom steel one time

        repairing. The auger service life extends 4.5 times. The 2/3 repairing material cost is saved.

        It is proved by pratice that adopting wear resistant material to repair easy wear parts is an effective

        way to improve efficiency,extend working life and reduce cost .

        HRC

              Usage

        Diameter

        (mm)

        Length

        (mm)

        Current

         (A)

                Note

        65

        Auger,mixer blades,rollers of roller crusher,blower blades

        3.2

        350

        130~160

        first time build-up welding

        for 500 model extruder need 6 kg,thickness 2~3 mm,one time repairing need 1.5~2 Kg,

        capacity 4million to 6

        million green bricks

        4

        400

        180~230

        50

        Hammer of hammer crusher

        3.2

        350

        130~160

        4

        400

        180~230


          Q: What is difference between Split and Compact Double stage vacuum extruder
        Split Double stage vacuum extruder is composed of mixing part, extruding part, and vacuum system. The above mixing stage is to add and mix raw material; the lower stage is for conveying, squeezing, extruding; Such extruder takes two motors , or we can say each stage takes one motor, such extruder is called split double stage vacuum extruder.

        Compared with compact double stage vacuum extruder, it has more vacuum pressure, with less adobe moisture, perfect for hollow bricks production,but with higher electricity consumption due to working with two motors.

        Advantage of Split Double stage vacuum extruder:

        1.Strong applicability,higher capacity,lower forming brick moisture content;
        2.The raw material for making bricks can be clay,coal gangue,shale powder;
        3.It can produce solid,multi-holes and hollow bricks.


          Q: What percentage of water contained in the brick can be sintered?
        Less than 8% of dry brick can be sintered, if the water moisture is too large, the brick will be easy to crack at the sintering time.
          Q: If the soil contains stone, such soil can be used to make bricks?
        No,the stone must be removed, otherwise the machine will accelerate wear and tear, or even damage to the machine. Generally based on the size of stone, you can choose the following machines: stone removing roller machine, roller sieve, thrust sieve.
          Q: Any kinds of soil can be used for making bricks?
        Most of soil can be used for making bricks, but soil plasticity must be between 5 to 17. If the soil plasticity is too big or too small, you need to add additional material in the soil.
          Q: What’s the difference between Vacuum extruder and non-vacuum extruder?
        1) Vacuum brick extruder can make three kinds of brick:solid brick, porous brick and hollow bricks. To produce different kinds of bricks by changing the different brick die;
        2) Another type is the common clay brick machine, non vacuum brick extruder, can only produce solid bricks. Vacuum brick is extruded out of the vacuum extruder. And non-vacuum extruder has no extraction equipment, so the brick hardness is lower than vacuum brick;
        3) The vacuum brick machine is first extracted with air and water and then fired, the production time and firing time is shorter, rapid prototyping.Greatly reducing the production cycle time.
          Q: Are you trading company or manufacturer?
        We are professional manufacturer of brick making machine,our products have been exported to more than 18 countries of Asia, South Africa, and get a good reputation in the world.
          Q: Are your products qualified?
        All of our machines hold the ISO, QC certificate, and each set of machine must pass a great number of strict testing ensure to offer the best quality to our customers.
          Q: How about your machine quality?
        We have running brick plant in several countries, Before our machine is sent to buyer, we would make trial for our each machine 48 hours to ensure each machine quality is perfect no bug,you can completely trust our quality.
          Q: Can you guarantee the capacity as you mentioned ?
        Yes, we have set running plants abroad,the facts proved that they can achieve the desired output.

          Q: How much land area and how much investment do we need to open on clay brick plant?
        Different daily capacity need different area and investment, we would give you suggestions after getting your message to us.Or you can also visit our company's Web site and download budget table for reference.

        • Contact : Mr Fengkai
        • Mobile : 0086 18638712391
        • Email : kai@yfbrickmachine.com
        Copyright 2020 Zhengzhou Yingfeng Machinery Co.,Ltd. All rights reserved Sitemap
        Address:  Block 5,South Longhai Road and East Tongbai Road,Zhongyuan District,Zhengzhou City,Henan Province,China
        欧洲欧洲黄页网址免费

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