CN208356211U - A kind of filter press and coal slime processing system - Google Patents

A kind of filter press and coal slime processing system Download PDF

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Publication number
CN208356211U
CN208356211U CN201820760565.3U CN201820760565U CN208356211U CN 208356211 U CN208356211 U CN 208356211U CN 201820760565 U CN201820760565 U CN 201820760565U CN 208356211 U CN208356211 U CN 208356211U
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China
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hole
filter
interconnected
chamber
cavity
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Expired - Fee Related
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CN201820760565.3U
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Chinese (zh)
Inventor
谢玉彦
李仲远
张文章
陈新永
陈成宇
闫济远
郑永伟
冯英博
李顺
陈薇薇
朱纯友
施其飞
胡庆
王照宇
王光辉
徐传友
吴楠
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LIUHE COAL PREPARATION PLANT HENAN SHENHUO COAL Co Ltd
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LIUHE COAL PREPARATION PLANT HENAN SHENHUO COAL Co Ltd
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Priority to CN201820760565.3U priority Critical patent/CN208356211U/en
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Abstract

The utility model provides a kind of filter press and coal slime processing system, is related to pressure filtering technique field.A kind of filter press mainly includes alternately arranged chamber filter plate and membrane filter plate, limits between chamber filter plate and membrane filter plate and form squeezing cavity.Chamber filter plate is equipped with the first feed opening, the first filter chamber, the first strainer and drainage hole.First feed opening and squeezing cavity are interconnected.First filter chamber and drainage hole are interconnected.Cavity and the first filter chamber is squeezed to be interconnected by the first strainer.Membrane filter plate is equipped with first through hole, the second through-hole, the second feed opening, diaphragm, the second strainer, diaphragm cavity and the second filter chamber.Diaphragm and the second strainer limit to form the second filter chamber.It is limited between two diaphragms and forms diaphragm cavity.First through hole and the second filter chamber are interconnected, and the second through-hole and diaphragm cavity are interconnected.Second feed opening and squeezing cavity are interconnected.Second strainer and the first strainer limit to form squeezing cavity.

Description

A kind of filter press and coal slime processing system
Technical field
The utility model relates to pressure filtering technique fields, in particular to a kind of filter press and coal slime processing system.
Background technique
Coal slime is one of coal mining, dressing of coal by washing process byproduct, and because of its fine size, calorific value is low, retentiveness By force, the characteristics such as moisture content is high, viscosity is big, the stacking, storage and transport for resulting in coal slime are all relatively difficult, and also limiting it makes It with value, sells predominantly civilianly, is difficult to realize industrial-scale application.Common coal slime industrial application is to be mixed power Electric power supply plant burns in coal, has strict requirements to its moisture and granularity.At present common coal slime processing mode mainly have sunning and Two kinds of drying.Relatively simple but low by winter temperature, more than summer rainwater the climatic effect of coal slime sunning is larger, restricts its use Efficiency, and coal slime sunning does not meet current environmental requirement yet.That there are initial investments is big, operating cost is high, environmentally friendly for coal slime drying The disadvantages of control expense is high.How coal slime dewatering efficiency is improved as current urgent problem to be solved.
Utility model content
The purpose of this utility model is to provide a kind of filter presses, can be improved the dehydration efficiency of coal slime.
The another object of the utility model is to provide a kind of coal slime processing system, can be improved coal slime treated product Matter increases the application range of coal slime.
The embodiments of the present invention are achieved in that
A kind of filter press, mainly includes alternately arranged chamber filter plate and membrane filter plate, chamber filter plate and membrane filter plate it Between limit formed squeezing cavity.
Chamber filter plate is equipped with the first feed opening, the first filter chamber, the first strainer and drainage hole.First feed opening and squeezing are empty Chamber is interconnected.First filter chamber and drainage hole are interconnected.Cavity and the first filter chamber is squeezed to be interconnected by the first strainer.
Membrane filter plate is equipped with first through hole, the second through-hole, the second feed opening, diaphragm, the second strainer, diaphragm cavity and the Two filter chambers.Diaphragm and the second strainer limit to form the second filter chamber.It is limited between two diaphragms and forms diaphragm cavity.First through hole It is interconnected with the second filter chamber, the second through-hole and diaphragm cavity are interconnected.Second feed opening and squeezing cavity are interconnected.Second Strainer and the first strainer limit to form squeezing cavity.First through hole is for exporting filtrate or importing air to the second filter chamber.Second Through-hole is used to import liquid to diaphragm cavity.
In an embodiment of the present invention, filter press further includes gas supply assembly.Membrane filter plate is connected with first and leads Pipe.First tube at one end and first through hole are interconnected, and the other end and the first branch pipe, the second branch pipe are interconnected.First branch pipe It is interconnected with gas supply assembly.First branch pipe is provided with the first valve, and the second branch pipe is provided with the second valve.Pass through the first valve Opening and closing with the second valve selects, and tapping may be implemented or import gas.
In an embodiment of the present invention, filter press further includes liquid supply assembly.Liquid supply assembly and the second through-hole are logical The second conduit is crossed to be interconnected.
In an embodiment of the present invention, liquid supply assembly includes third conduit, water tank and water pump.Second conduit One end is connected with water pump, and the other end is connected with the second through-hole.Third conduit and diaphragm cavity are interconnected, the other end and water tank phase Even.Third conduit is provided with third valve.Third valve is closed, the liquid that water pump can be made to import rests in diaphragm cavity, liquid Body gradually increases, and hydraulic continuous raising pops up the diaphragm in membrane filter plate, to squeeze to the material in squeezing cavity Pressure, to reach press dewatering effect.Third valve is opened, the liquid in the second filter chamber water tank can be discarded to, make liquid Body can reuse.
In an embodiment of the present invention, filter press further includes controller.Controller and liquid supply assembly, gas supply group The connection of part signal.Controller be configured as when liquid supply assembly provide it is hydraulic reach preset value when, controller control gas supply assembly Start to supply to the first branch pipe.
In an embodiment of the present invention, membrane filter plate is additionally provided with third through-hole.Third through-hole and the second filter chamber It is interconnected.Third through-hole is located at the bottom end of membrane filter plate, and first through hole is located at the top of membrane filter plate.Third through-hole is optionally It opens or closes.After material is fed, before starting squeezing, third through-hole can be opened and arrange the filtrate in the second filter chamber Out.After closing third through-hole, material can be squeezed.During material is squeezed, third through-hole is in pass always Closed state;After material squeezing, the portion filtrate in the second filter chamber is not flowed out from first through hole, but is made in self gravity It is gathered in the second filter chamber bottom under, third through-hole can be opened at this time, the filtrate of aggregation is discharged.
In an embodiment of the present invention, third through-hole and the 4th conduit are interconnected, and the 4th conduit is provided with 4th valve, the 4th valve optionally open or close third through-hole.Third through-hole below each membrane filter plate is passed through the Four conduits are unified to be connected to, convenient for depositing the uniform effluent of filtrate.
In an embodiment of the present invention, filter press further includes spike component.Spike component and squeezing cavity phase Intercommunicated, spike component is used to mix the material of predetermined size into squeezing cavity.
In an embodiment of the present invention, filter press further includes feed pipe.Feed pipe and the first feed opening, second Feed opening is homogeneously intercommunicated.Feed pipe offers added holes, and spike component and added holes are interconnected.Spike component is to added holes After inside adding materials, the material of addition can be mixed with the material (the present embodiment middle finger coal slime) in feed pipe, after mixing Another rise enters in squeezing cavity.The setting makes the material distribution of addition more evenly can improve the dehydrating effect of coal slime.
A kind of coal slime processing system, including any one of the above filter press.
The utility model embodiment at least have the following advantages that or the utility model has the advantages that
The utility model embodiment provides a kind of filter press, mainly include alternately arranged chamber filter plate and membrane filter plate, It is limited between chamber filter plate and membrane filter plate and forms squeezing cavity.
Chamber filter plate is equipped with the first feed opening, the first filter chamber, the first strainer and drainage hole.First feed opening and squeezing are empty Chamber is interconnected.First filter chamber and drainage hole are interconnected.Cavity and the first filter chamber is squeezed to be interconnected by the first strainer.Pressure It squeezes the water squeezed out in cavity to enter in the first filter chamber, then is expelled directly out by drainage hole.
Membrane filter plate is equipped with first through hole, the second through-hole, the second feed opening, diaphragm, the second strainer, diaphragm cavity and the Two filter chambers.Diaphragm and the second strainer limit to form the second filter chamber.It is limited between two diaphragms and forms diaphragm cavity.Generally, every The two sides of membrane filtration plate are relatively set with diaphragm.First through hole and the second filter chamber are interconnected, and the second through-hole and diaphragm cavity are mutual Connection.Second feed opening and squeezing cavity are interconnected.Second strainer and the first strainer limit to form squeezing cavity.First through hole For exporting filtrate or importing air to the second filter chamber.Filtrate can be discharged simultaneously from drainage hole and first through hole, improve filter The rate of discharge of liquid, and then shorten feed time.Second through-hole is used to import liquid to diaphragm cavity.When squeezing material, from second Highly pressurised liquid is imported to diaphragm cavity in through-hole, heaves diaphragm, heaving for diaphragm makes the second strainer and the first adjacent filter Common pressing materials are netted, material dewatering is made to form filter cake.In expressing process, air can be imported from first through hole, admitted air into Into the second filter chamber, air will sequentially pass through the second strainer, filter cake, the first strainer, and air can be further by the water in filter cake Divide and take out of, improves the dehydrating effect of material.Highly pressurised liquid squeezes and air is side-blown carries out simultaneously, can greatly improve material dewatering Efficiency and degree of dehydration.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the arrangement schematic diagram of chamber filter plate provided by the embodiment of the utility model and membrane filter plate;
Fig. 2 is the structural schematic diagram of chamber filter plate and membrane filter plate in expressing process provided by the embodiment of the utility model;
Fig. 3 is the attachment structure schematic diagram of spike component and feed pipe provided by the embodiment of the utility model;
Fig. 4 is the dehydration schematic diagram of pressure-air provided by the embodiment of the utility model;
Icon: 100- chamber filter plate;The first feed opening of 102-;The first filter chamber of 104-;The first strainer of 106-;108- conducting Hole;110- spike component;112- feed pipe;200- membrane filter plate;202- first through hole;The second through-hole of 204-;206- second into Expect hole;208- diaphragm;The second strainer of 209-;210- diaphragm cavity;The second filter chamber of 211-;212- liquid supply assembly;214- second is led Pipe;216- water tank;300- squeezes cavity.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the utility model embodiment, it should be noted that if there is term " on ", "lower", " left side ", "inner" The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings or the utility model product uses When the orientation or positional relationship usually put, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as Limitations of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and should not be understood as Indication or suggestion relative importance.
In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, if Appearance term " setting ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect It connects, or is integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, intermediate matchmaker can also be passed through Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment
The present embodiment provides a kind of filter press (not shown), which can be used for squeezing various materials, for convenient for It describes, carries out subsequent explanation by taking the squeezing of coal slime processing as an example in the present embodiment.
Fig. 1 is please referred to, Fig. 1 show the arrangement schematic diagram of chamber filter plate 100 and membrane filter plate 200.In the present embodiment, pressure Filter mainly includes alternately arranged chamber filter plate 100 and membrane filter plate 200, is limited between chamber filter plate 100 and membrane filter plate 200 It is shaped as squeezing cavity 300.Coal slime carries out press dewatering in squeezing cavity 300.Multiple chamber filter plates 100 and the filter of multiple diaphragms Plate 200 successively can alternately be connected according to direction indicated by straight line in Fig. 1.Present embodiment illustrates 3 van-types to filter 100,2 membrane filter plates 200 of plate can adjust the quantity of two kinds of filter plates according to the specific requirements of user in other embodiments It is whole.
Referring to Fig.1 and 2, Fig. 2 is shown in expressing process, the structural representation of chamber filter plate 100 and membrane filter plate 200 Figure.
Chamber filter plate 100 is equipped with the first feed opening 102, the first filter chamber 104 (Fig. 2 shows), the first strainer 106 and draining Hole (not shown).First feed opening 102 is interconnected with squeezing cavity 300, convenient for being passed through to squeezing cavity 300 wait squeeze Coal slime.First filter chamber 104 is interconnected with drainage hole, and drainage hole is located at lower section shown in Fig. 2, the i.e. bottom of chamber filter plate 100. Cavity 300 and the first filter chamber 104 is squeezed to be interconnected by the first strainer 106.The filtrate squeezed out in coal slime is through the first filter Net 106 enters in the first filter chamber 104, and filtrate is flowed out along drainage hole.
As shown in Figure 1, offering via hole 108 on chamber filter plate 100,2 are offered on each chamber filter plate 100 and is led Through-hole 108.Via hole 108 is mainly used for being connected to membrane filter plate 200, convenient for the filtrate in membrane filter plate 200 is exported, and to High pressure gas (lower-cost air is used in the present embodiment) is imported in membrane filter plate 200.
Fig. 1 and Fig. 3 are please referred to, Fig. 3 show the attachment structure schematic diagram of spike component 110 Yu feed pipe 112.This implementation In example, feed pipe 112, feed pipe 112 and the first charging are also connected on first piece of left side chamber filter plate 100 shown in Fig. 1 Hole 102 is interconnected, and provides coal slime to be squeezed into squeezing cavity 300.Spike component 110 is connected on feed pipe 112.Charging Added holes (not shown) is offered on pipe 112, spike component 110 and added holes are interconnected.When feed pipe 112 is to squeezing When constantly conveying coal slime in cavity 300, spike component 110 mixed constantly into coal slime predetermined size coarse granule coal (certainly, if It is the squeezing for other industry material, can accordingly adjusts the coarse granular material type of addition).Coarse granule coal mixes one with coal slime It rises to enter in squeezing cavity 300 and be squeezed.The partial size of general coarse granule coal can be 0.25-0.5 millimeters, certainly general It is bigger than the partial size of coal slime to need to meet coarse granule coal.
By studying, analyzing coal slime material size composition, the content accounting that 0.045mm grade is less than in coal slime material is general Up to 60%.The reasons such as the grade material size is thin, large specific surface area, ash content are high, hydrophily is strong, it is further to seriously affect coal slime Precipitation.In addition, each grade material size composition is uneven, fine particle stage material is filled in the hole of coarse grain, leads to filter cake hole Rate reduces, and gas permeability is deteriorated, and increases dehydration difficulty.By thick that mixes 0.25-0.5mm of part particle size fraction in coal slime Grain, reduces the accounting of 0.045mm particle size fraction in coal slime, so that voidage increases between coal slime, makes the dehydrating amount of coal slime into one Step increase, while also guarantee each grain size content stabilization, uniformly.The addition of coarse granule coal promotes the depth precipitation of coal slime, together When improve shatter value, convenient for subsequent broken.
Certainly, spike component 110 directly can also mix coarse granule coal into squeezing cavity 300 in other embodiments.But Using the adding mode in the present embodiment, the coarse granule coal of addition can be mixed with the coal slime in feed pipe 112, after mixing Another rise enters in squeezing cavity 300.Distribution of the coarse granule coal of addition in filter cake is more evenly more significantly mentioned The dehydrating effect of high coal slime.
Referring again to Fig. 1 and Fig. 2, membrane filter plate 200 be equipped with first through hole 202, the second through-hole 204 (see Fig. 2), second into Expect hole 206, diaphragm 208, the second strainer 209, diaphragm cavity 210 and the second filter chamber 211.It is the drum of diaphragm 208 shown in Fig. 2 State when rising.Diaphragm 208 and the second strainer 209, which limit, forms the second filter chamber 211.It is opposite on same membrane filter plate 200 It is limited between two diaphragms 208 being arranged and forms diaphragm cavity 210.
First through hole 202 and the second filter chamber 211 are interconnected, and the second through-hole 204 is interconnected with diaphragm cavity 210.First For exporting filtrate or importing air to the second filter chamber 211, the second through-hole 204 is used to import high pressure to diaphragm cavity 210 through-hole 202 Liquid (the present embodiment middle finger high pressure water).In the present embodiment, 2 first through hole 202 are equipped on each membrane filter plate 200.Such as Shown in Fig. 1, after chamber filter plate 100 is connect with membrane filter plate 200, first through hole 202 and adjacent via hole 108 are interconnected shape At flow channel.Certainly, it in other embodiments, can also be directly connected to first through hole 202 using other external pipes.
Second feed opening 206 is interconnected with squeezing cavity 300.As shown in Figure 1, chamber filter plate 100 and membrane filter plate 200 After connection, the first feed opening 102 and the second feed opening 206 are sequentially communicated to form feeding-passage.
Second strainer 209 and the first strainer 106, which limit, forms squeezing cavity 300.When user by the second through-hole 204 to every It, will be so that diaphragm 208 be heaved, so that coal slime be made to be squeezed when membrane cavity 210 is filled with highly pressurised liquid.Using highly pressurised liquid to coal Mud, which is squeezed, has the advantage that pressure controllable is stronger compared to gas squeezing, and pressure stability is higher, and energy consumption is lower.
In the present embodiment, filter press further includes gas supply assembly (not shown).The first conduit is connected on membrane filter plate 200 (not shown).First tube at one end and first through hole 202 are interconnected, and (the first conduit is to pass through via hole in the present embodiment 108 are interconnected with first through hole 202), the other end and the first branch pipe (not shown), the second branch pipe (not shown) phase It is intercommunicated.It is in Y-shaped that first conduit, the first branch pipe, the second branch pipe, which are connected,.First branch pipe and gas supply assembly are interconnected.First Branch pipe is provided with the first valve (not shown), and the second branch pipe is provided with the second valve (not shown).Pass through the first valve The opening and closing of door and the second valve selects, and tapping may be implemented or import gas.Expressing process needs to export the second filter chamber 211 When interior filtrate, the second valve is opened, is exported filtrate by the second branch pipe;Expressing process needs to import into the second filter chamber 211 When pressure-air (generally 0.6-0.8MPa), the first valve is opened, is imported by the first branch pipe.
Referring to figure 2., further, filter press further includes liquid supply assembly 212.Liquid supply assembly 212 and the second through-hole 204 are logical The second conduit 214 is crossed to be interconnected.
Liquid supply assembly 212 can further include third conduit (not shown), water tank 216 and water pump (in figure It is not shown).Second conduit, 214 one end is connected with water pump, and the other end is connected with the second through-hole 204.Third tube at one end and diaphragm Chamber 210 is interconnected, and the other end is connected with water tank 216.Third conduit is provided with third valve (not shown).Close the Three valves, the liquid that water pump can be made to import rest in diaphragm cavity 210, and liquid gradually increases, hydraulic continuous raising (hydraulic pressure one As be 0.8-1.0MPa), enable squeeze cavity 300 in coal slime be squeezed, to reach press dewatering effect.Open the Three valves simultaneously switch off the pump, and the liquid in diaphragm cavity 210 can be discarded to water tank by third conduit by self gravity 216, it allows the liquid to reuse.
In other embodiments, membrane filter plate 200 is also provided with third through-hole (not shown).Third through-hole and second Filter chamber 211 is interconnected.Third through-hole is located at the bottom end (lower part shown in Fig. 2) of membrane filter plate 200, and first through hole 202 is located at The top of membrane filter plate 200.Third through-hole optionally opens or closes.Since the filtrate in the second filter chamber 211 is mainly by top First through hole 202 flow out, have the bottom that seldom a part of filtrate remains in the second filter chamber 211, after squeezing, can pass through It opens third through-hole filtrate is discharged.In material expressing process, third through-hole is in close state always, so that diaphragm cavity 210 Inside it is capable of forming high pressure.Third through-hole can also be connected with the 4th conduit (not shown), the 4th is arranged on the 4th conduit Valve, the 4th valve control third through-hole open or close, it can complete the discharge of deposition filtrate.
For the degree of automation for improving filter press, in the present embodiment, filter press further includes controller (not shown).Control Device processed is connect with liquid supply assembly 212, gas supply assembly signal.Controller is configured as hydraulic the reaching when the offer of liquid supply assembly 212 When preset value, controller control gas supply assembly starts to supply to the first branch pipe.For example, the hydraulic pressure in diaphragm cavity 210 has reached When to 0.6MPa, controller controls the second valve and closes, the first valve opening, and gas supply assembly is opened to be led into the second filter chamber 211 Enter pressure-air, to promote the dehydration of filter cake.
To better understand pressure-air to the dehydration of filter cake, referring to figure 4., Fig. 4 show pressure-air Dehydration schematic diagram.Air enters in the second filter chamber 211, due to other not set air outlet slits in the second filter chamber 211, air Filter cake surface can only be passed through from the second strainer 209, since air is pressure-air, have enough power that can pass through filter cake Internal gap, pressure-air will take the moisture inside filter cake out of, pressure-air is continued across with moisture content when passing through filter cake First strainer 106, final pressure-air are flowed out with moisture from the drainage hole of 100 bottom of chamber filter plate.The squeezing of high pressure water The side-blown of pressure-air is carried out simultaneously in journey, substantially increases the rate of water loss and degree of dehydration of coal slime.
The working principle of filter press is:
Feed pipe 112 conveys coal slime into squeezing cavity 300, meanwhile, spike component 110 mixes default constantly into coal slime The coarse granule coal of partial size.Coarse granule coal is mixed to enter in squeezing cavity 300 with coal slime and be squeezed.Liquid supply assembly 212 High pressure water is provided into diaphragm cavity 210, the filtrate squeezed out is simultaneously from the drainage hole and membrane filter plate of 100 bottom of chamber filter plate The first through hole 202 of 200 tops flows out.After pan feeding enters completely, into expressing process, when the hydraulic pressure in diaphragm cavity 210 has reached When 0.6MPa, controller controls the second valve and closes, and the first valve opening, gas supply assembly is opened to be passed through into the second filter chamber 211 Pressure-air, to promote the dehydration of filter cake.Treated that coal slime water content is generally 20-22wt% for conventional treatment method.Using Treated that moisture of coal fines can be reduced to 16-18wt% by 20-22wt% for filter press provided in this embodiment, after crushing may be used It is directly incorporated into thermal coal electric power supply plant and mixes burning.On the one hand filter press provided in this embodiment improves coal slime value-added content of product, real The nearest Efficient Conversion for having showed low calorific value coal resource, improves energy resources utilization efficiency;On the other hand prevented coal slime sunning, Environmental pollution caused by long term storage is significant to raising the efficient of coal slime, clean utilization.
In the present embodiment, the part-structure of filter press is only described in detail, other component structurals of filter press can refer to Commercially available filter press.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of filter press, which is characterized in that
Including alternately arranged chamber filter plate and membrane filter plate, is limited between the chamber filter plate and the membrane filter plate and form pressure Squeeze cavity;
The chamber filter plate is equipped with the first feed opening, the first filter chamber, the first strainer and drainage hole, first feed opening and institute It states squeezing cavity to be interconnected, first filter chamber and the drainage hole are interconnected, the squeezing cavity and first filter Chamber is interconnected by first strainer;
The membrane filter plate is equipped with first through hole, the second through-hole, the second feed opening, diaphragm, the second strainer, diaphragm cavity and the Two filter chambers, the diaphragm and second strainer limit to form second filter chamber, limit shape between two diaphragms At the diaphragm cavity, the first through hole and second filter chamber are interconnected, and second through-hole and the diaphragm cavity are mutual Connection, second feed opening and the squeezing cavity are interconnected, and second strainer limits to be formed with first strainer The squeezing cavity, the first through hole for exporting filtrate or importing air to second filter chamber, use by second through-hole In to the diaphragm cavity import liquid.
2. filter press according to claim 1, which is characterized in that the filter press further includes gas supply assembly, the diaphragm Filter plate is connected with the first conduit, and first tube at one end and the first through hole are interconnected, the other end and the first branch pipe, the Two branch pipes are interconnected, and first branch pipe and the gas supply assembly are interconnected, and first branch pipe is provided with the first valve, Second branch pipe is provided with the second valve.
3. filter press according to claim 2, which is characterized in that the filter press further includes liquid supply assembly, the feed flow Component and second through-hole are interconnected by the second conduit.
4. filter press according to claim 3, which is characterized in that the liquid supply assembly include third conduit, water tank and Water pump, second tube at one end are connected with the water pump, and the other end is connected with second through-hole, the third conduit and institute It states diaphragm cavity to be interconnected, the other end is connected with the water tank, and the third conduit is provided with third valve.
5. filter press according to claim 3, which is characterized in that the filter press further includes controller, the controller It is connect with the liquid supply assembly, the gas supply assembly signal, the controller is configured as the liquid when the liquid supply assembly provides When pressure reaches preset value, the controller controls the gas supply assembly and starts to supply to first branch pipe.
6. filter press according to claim 1, which is characterized in that the membrane filter plate is additionally provided with third through-hole, and described Three through-holes and second filter chamber are interconnected, and the third through-hole is located at the bottom end of the membrane filter plate, the first through hole Positioned at the top of the membrane filter plate, the third through-hole is optionally opened or closed.
7. filter press according to claim 6, which is characterized in that the third through-hole and the 4th conduit are interconnected, institute It states the 4th conduit and is provided with the 4th valve, the 4th valve optionally opens or closes the third through-hole.
8. filter press according to claim 1-7, which is characterized in that the filter press further includes spike component, The spike component and the squeezing cavity are interconnected, and the spike component is used to mix default grain into the squeezing cavity The material of diameter.
9. filter press according to claim 8, which is characterized in that the filter press further includes feed pipe, the feed pipe Homogeneously intercommunicated with first feed opening, second feed opening, the feed pipe offers added holes, the spike component It is interconnected with the added holes.
10. a kind of coal slime processing system, which is characterized in that including such as described in any item filter presses of claim 1-9.
CN201820760565.3U 2018-05-21 2018-05-21 A kind of filter press and coal slime processing system Expired - Fee Related CN208356211U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110025996A (en) * 2019-05-14 2019-07-19 龙海市宏远机械修造有限公司 A kind of plate and frame type filter-press that filters pressing effect is good
CN116212469A (en) * 2023-05-05 2023-06-06 唐山沃德恒利物流有限公司 Filter press and method for concentrating iron concentrate tailings

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110025996A (en) * 2019-05-14 2019-07-19 龙海市宏远机械修造有限公司 A kind of plate and frame type filter-press that filters pressing effect is good
CN116212469A (en) * 2023-05-05 2023-06-06 唐山沃德恒利物流有限公司 Filter press and method for concentrating iron concentrate tailings

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