CN104922962A - Filter press with single filter belt - Google Patents
Filter press with single filter belt Download PDFInfo
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- CN104922962A CN104922962A CN201510316975.XA CN201510316975A CN104922962A CN 104922962 A CN104922962 A CN 104922962A CN 201510316975 A CN201510316975 A CN 201510316975A CN 104922962 A CN104922962 A CN 104922962A
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Abstract
The invention provides a filter press with a single filter belt. The filter press includes a drive roller, a filter pressing part and a tensioning and offset adjusting part, wherein the drive roller is used for driving the filter pressing part to operate; the filter pressing part includes a press roll, one filter belt, one metal mesh belt and a combined bend roller; the filter belt is used for dehydration through filter pressing; the metal mesh belt is used for providing pressing force; the filter belt, the metal mesh belt, the press roll and the combined bend roller form a filter pressing area of the filter press with the single filter belt; in the filter pressing area, the filter belt and the metal mesh belt are clung to each other and form a space used for wrapping dehydration materials; the filter belt is tightly clung to the outer edge of the press roll; the space used for wrapping dehydration materials is positioned below the press roll; the press roll is positioned between the drive roller and the combined bend roller; the tensioning and offset adjusting part tightly press against the filter belt and the metal mesh belt, and used for tensioning and adjusting offset for the filter belt and the metal mesh belt. The filter press with the single filter belt fundamentally eliminates the defects of bending and bulging of the filter belt, and is high in reliability and low in manufacturing cost.
Description
Technical field
The present invention relates to solid-liquid separating equipment field, particularly relate to one and singly filter belt filter press.
Background technology
Belt filter press is the capital equipment of the paste such as the dregs of a decoction, mud solidliquid mixture dehydration.
At present, common a kind of belt filter press is conventional pure filter cloth belt filter press, and it uses upper and lower two filter cloth belts to carry out press filtration.For filter press, dehydration rate and the press filtration pressure of dehydrated material are closely related, and the larger dehydrating effect of press filtration pressure is better, and dehydration rate is larger.Due to the guipure pressure of the pure filter cloth belt filter press of excessive increase, technically or unsuitable economically, the moulding pressure of pure filter cloth belt filter press is less, and therefore, dehydrating effect is poor, and dehydration rate is low.
And existing another kind of filter press is the belt filter press of metal mesh belt auxiliary pressurized, although moulding pressure is large, but due to dehydrated material before dehydration moisture content compared with large, shear stress is little, water retention property is poor, pressure is slightly high will cause material conquassation, make material because of extruding to both sides and rear trickling, treat that the material of press filtration is difficult to enter the press filtration region between upper and lower two strainers, even the material entered on a small quantity between two strainers in press filtration region also has major part and is extruded from strainer both sides, and higher press filtration pressure is that material depth dehydration is necessary.
The more important thing is, for above-mentioned two kinds of filter presses, all there are the following problems: upper and lower two strainer sandwich materials are centered around pressure roller lower edge synchronous axial system, when by press filtration region, because the radius of gyration of upper strainer is less than lower filter belt, the linear velocity of lower filter belt is made to be greater than strainer, thus the length of lower filter belt movement is greater than strainer in the unit interval, therefore very easily cause strainer bend-band, play drum, both affected the stable operation of strainer and then affected the normal work of filter press, having affected again the service life of strainer.
In view of this, provide that a kind of dewatering efficiency is high, the belt filter press of reliable operation is the technical problem that those skilled in the art need solve.
Summary of the invention
Given this, the present invention is intended to propose that a kind of dewatering efficiency is high, the list of reliable operation filter belt filter press.
On the one hand, the invention provides one and singly filter belt filter press, comprise driven roller, press filtration portion and tensioning tuningout portion; Described driven roller is for driving the running in described press filtration portion; Described press filtration portion comprises pressure roller, 1 strainer, 1 strip metal guipure and combination modified roller, described strainer is used for filter-press dehydration, described metal mesh belt is used for providing squeeze force, and described strainer, described metal mesh belt and described pressure roller, described combination modified roller form the press filtration district of this list filter belt filter press; In press filtration district, strainer and metal mesh belt laminating, form the space for wrapping up dehydrated material; Strainer is close to the outer rim of pressure roller, and, for wrapping up the below being spatially located at pressure roller of dehydrated material; Pressure roller are between driven roller and combination modified roller; Described tensioning offset portion does not compress, for carrying out tensioning and tuningout to described strainer and described metal mesh belt with described strainer and described metal mesh belt.
On the other hand, present invention also offers one and singly filter belt filter press, comprising: driven roller and press filtration portion; Described driven roller is for driving the running in described press filtration portion; Described press filtration portion comprises pressure roller, strainer and metal mesh belt; The outer surface of described pressure roller is enclosed with filtration pervious bed; Described filtration pervious bed and described strainer, described metal mesh belt are fitted, and form press filtration district; Described pressure roller are provided with perforate, for the formation of filter-press dehydration passage; Described single filter belt filter press also comprises tensioning tuningout portion; Described tensioning offset portion does not compress, for carrying out tensioning and tuningout to described strainer and described metal mesh belt with described strainer and described metal mesh belt.
On the other hand, the invention still further relates to one and singly filter belt filter press, comprise at least two groups and singly filter belt filter press as above, be connected in series between adjacent filter press.
Compared with prior art, beneficial effect of the present invention is:
First, the present invention creatively adopts wall scroll strainer (or filtering pervious bed), by strainer (or filtering pervious bed) filter-press dehydration, metal mesh belt provides squeeze force, dehydrated material under the parcel of strainer (or filter watertight composition) and metal mesh belt by the high pressure press filtration district filter-press dehydration under pressure roller, squeeze force size is regulated by metal mesh belt idler roller, and then, fundamentally thoroughly overcoming conventional belt filter press uses double-deck strainer due to lower filter belt radius of gyration difference in press filtration district, the bend-band caused by pressed zone linear velocity difference, play the defect of drum,
The second, the present invention adopts wall scroll strainer, frame is only provided with the driven roller of negligible amounts, combination modified roller, pressure roller, metal mesh belt idler roller, strainer idler roller, strainer modified roller etc., complete machine structure obtains and simplifies to greatest extent, trouble point is greatly reduced, and complete machine operational reliability significantly improves; Meanwhile, amount of parts needed for overall structure reduces, and improve and simplify fabrication technology, manufacturing cost reduces greatly;
In addition, the different efficiency requirements that the present invention dewaters according to dehydrated material, adopt combined modular design concept, can be cascaded by two or more single filter belt filter press easily, form step pressurization high-pressure deep dewatering system.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred embodiment, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1 is the structural representation of list filter belt filter press in accordance with a preferred embodiment of the present invention;
Fig. 2 is the structural representation of the list filter belt filter press according to another preferred embodiment of the present invention
Fig. 3 is the structural representation of the list filter belt filter press of another preferred embodiment of the present invention.
Detailed description of the invention
Below with reference to accompanying drawings exemplary embodiment of the present disclosure is described in more detail.Although show exemplary embodiment of the present disclosure in accompanying drawing, but should be appreciated that and can realize the disclosure in a variety of manners, and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
Embodiment one
Referring to figs. 1 through Fig. 2.
See Fig. 1, illustrated therein is the list filter belt filter press of the preferred embodiment of the present invention.This list filter belt filter press comprises frame 2, charging gear 10, strainer 12, metal mesh belt 13, driven roller 7, combination modified roller 11, pressure roller 9, metal mesh belt tensioning regulating roller 4, strainer modified roller 3, strainer idler roller 1, strainer regulating roller 5, discharge rolls 6, scraper 8 and drive unit.
The quantity of metal mesh belt 13 is one, and it is around driven roller 7, metal mesh belt tensioning regulating roller 4, combination modified roller 11 and pressure roller 9, and head and the tail are connected into a closed loop.Metal mesh belt 13 be close to strainer 12 together with at driven roller 7, pressure roller 9, combine between modified roller 11 and jointly form an expressing zone.Metal mesh belt 13 combination modified roller 11, between pressure roller 9 and driven roller 7 snakelike pass and surround metal mesh belt tensioning regulating roller 4, combination modified roller 11, pressure roller 9, driven roller 7 outside (described snakelike through referring to that metal mesh belt 13 is from the side of combining modified roller 11, such as upside, opposite side (such as downside) again from pressure roller 9 adjacent with it after walking around is walked around, and then walks around from the side (such as upside) of driven roller 7.Metal mesh belt tensioning regulating roller 4 is pressed on metal mesh belt 13, can be loosened or tension metal guipure 13 by the movement of metal mesh belt tensioning regulating roller 4.
The quantity of strainer 12 is one, and it is around driven roller 7, one or more strainer modified roller 3, strainer idler roller 1, strainer regulating roller 5, discharge rolls 6 and pressure roller 9, and head and the tail are connected into a closed loop.Press filtration district and backhaul district is comprised in strainer length range.In press filtration district, strainer 12 and metal mesh belt 13 fit tightly, and together at driven roller 7, snakelikely between pressure roller 9 and combination modified roller 11 to pass, jointly form a squeezing unit; In backhaul district, strainer 12 and metal mesh belt 13 are separated from each other, and get back to feeding end from discharge end and be close together with metal mesh belt 13 and enter press filtration district.So move in circles.Strainer idler roller 1, strainer modified roller 3, strainer regulating roller 5 and discharge rolls 6 are pressed on strainer 12, and strainer idler roller 1 is for tensioning strainer 12, and strainer regulating roller 5 corrects the strainer 12 of sideslip for regulating.
Owing to only having single strainer, therefore fundamentally thoroughly overcome double-deck strainer due to the radius of gyration is different, caused by pressed zone linear velocity difference bend-band, a drum defect.Also can filter pervious bed at pressure roller outer surface parcel, and form filter-press dehydration runner by perforate on pressure roller.
Preferably, the list filter belt filter press of the present embodiment also can comprise: frame 2, charging gear 10.Charging gear 10 is provided with stirring and breaks up material-feeding mechanism, to realize breaing up fragmentation to dehydrated material, and evenly to pave feed to the given width of strainer 12.In the present embodiment, pressure roller 9 are hingedly mounted in frame 2.
In the list filter belt filter press of the present embodiment, driven roller 7, combination modified roller 11, pressure roller 9, metal mesh belt tensioning regulating roller 4, strainer modified roller 3, strainer idler roller 1, strainer regulating roller 5, discharge rolls 6 to be directly or indirectly arranged on respectively in frame 2 and can to rotate around the axis of oneself, and metal mesh belt tensioning regulating roller 4, strainer idler roller 1 are except rotating outer all right transverse shifting around the axis of oneself.
Preferably, driven roller 7 is arranged on one end of frame 2, and modified roller is at the other end of frame, and pressure roller 9 are between driven roller 7 and combination modified roller 11, and metal mesh belt tensioning regulating roller 4 is located at below pressure roller 9.Metal mesh belt idler roller and metal mesh belt regulating roller also can independently be arranged.
Preferably, strainer idler roller 1 is a cylindrical beaming roller being provided with spring adjustment mechanism, is arranged on strainer strainer; Strainer strainer is arranged in frame 2; Strainer idler roller 1 can move up and down or Integral swinging relative to strainer strainer, realizes applying to strainer the tensile force that varies in size.
Preferably, strainer regulating roller 5 is arranged on strainer adjusting deviation device, and strainer adjusting deviation device is arranged in frame 2, and under the effect of strainer adjusting deviation device, strainer 12 can stably be kept for no more sideslip limiting condition.For strainer adjusting deviation device, can stablize be kept for no more the sideslip limit structural design known by those skilled in the art, the present embodiment does not repeat them here.
Preferably, in driven roller 7, combination modified roller 11, pressure roller 9, metal mesh belt tensioning regulating roller 4, strainer modified roller 3, strainer idler roller 1, strainer regulating roller 5, discharge rolls 6, be arranged in frame 2 partially or completely through bearing block.
Preferably, in driven roller 7, combination modified roller 11, pressure roller 9, metal mesh belt tensioning regulating roller 4, strainer modified roller 3, strainer idler roller 1, strainer regulating roller 5, discharge rolls 6, be partly or entirely arranged on the side plate of frame 2 both sides.
Preferably, scraper 8 is positioned at the upper left side of pressure roller 9, and is arranged in frame 2, and the mud that pressure roller 9 surface is sticked successfully can depart from the surface of pressure roller 9.
Preferably, also comprise the drive unit of driven roller 7, described drive unit and driven roller 7 are connected, and driven roller 7 can be driven to rotate.
Preferably, also comprise hydraulic means, hydraulic means is for driving metal mesh belt tensioning regulating roller 4.
Preferably, also comprise electrical control mechanism, electrical control mechanism filters belt filter press for controlling whole list.
In a preferred scheme, the present embodiment list filter belt filter press also comprises filtering band cleaning unit, and filtering band cleaning unit is arranged in frame 2, for cleaning materials such as sticking to the dregs of a decoction on strainer or mud.
The roll shaft two ends of metal mesh belt tensioning regulating roller 4 are respectively by a seat supports, bearing is arranged in the vertical slideway be fixed in frame 2, drive bearing can move up and down in slideway by hydraulic means, metal mesh belt tensioning regulating roller 4 moves up and down thereupon, spacing between adjustment metal mesh belt idler roller 4 and pressure roller 9 center, thus regulate squeeze pressure.
Metal mesh belt 13 in the present embodiment is (such as, can select steel mesh belt) of being made of metal, has mesh, and can in driven roller 7, pressure roller 9, combination modified roller 11,4 transmissions of metal mesh belt tensioning regulating roller as the driving belt.
In each embodiment above-mentioned, strainer idler roller 1, strainer modified roller 3 and strainer regulating roller 5 form the first tensioning tuningout unit; The bearing at metal mesh belt tensioning regulating roller 4, metal mesh belt idler roller 4 two ends, the vertically composition such as slideway, hydraulic means the second tensioning tuningout unit.First stretching unit and the second stretching unit form tensioning tuningout portion jointly.
It should be noted that, the tensioning tuningout portion in the present embodiment is decision design, but the present invention is not limited thereto, for single filter belt filter press, as long as adopt following technical scheme, all under protection scope of the present invention:
The first, press filtration portion comprises wall scroll strainer and wall scroll metal mesh belt, and forms the space for wrapping up dehydrated material by the laminating of the two, and the wall scroll strainer after laminating and wall scroll metal mesh belt are fitted in pressure roller outer rim;
The second, strainer and metal mesh belt do not carry out tensioning and tuningout by tensioning offset portion;
And then, fundamentally thoroughly overcome tradition list filter belt filter press and use double-deck strainer due to the bend-band that the lower filter belt radius of gyration in press filtration district is different, caused by pressed zone linear velocity difference, work the defect of rousing.
As for the design of each modified roller, idler roller, tuningout structure, can preferred above-described embodiment, also can by the known acquisition of those skilled in the art.
Embodiment two
The present embodiment carries out changing on the basis of Fig. 1 obtaining.
With reference to Fig. 2.The present embodiment list filter belt filter press comprises driven roller 7 and press filtration portion; Driven roller 7 is for driving the running in press filtration portion; Press filtration portion comprises pressure roller 9, strainer 12 and metal mesh belt 13; The outer surface of pressure roller 9 is enclosed with and filters pervious bed 14; Filter pervious bed 14 to fit with strainer 12, metal mesh belt 13, form press filtration district; Pressure roller 9 are provided with perforate, for the formation of filter-press dehydration passage.
Single filter belt filter press also comprises tensioning tuningout portion; Tensioning offset portion not and strainer 12 and metal mesh belt 13 compress, for carrying out tensioning and tuningout to strainer 12 and metal mesh belt 13.
That is, in the present embodiment, pressure roller 9 outer surface can wrap up and filter seepy material formation filtration pervious bed 14, and forms filter-press dehydration runner by perforate on pressure roller 9.
Embodiment three
Study discovery through inventor, the shear stress of dehydrated material increases along with the reduction of its moisture content within the specific limits, and that is, material water ratio is lower, and the bearing capacity of material is larger, and material is more not easy conquassation.In order to prevent in pressure-filtering process, because material is by conquassation, present invention employs combined modular design concept.That is, above illustrated by two embodiments list filter belt filter press, be only one " single-stage press filtration unit ", two or more " single-stage press filtration unit " be cascaded, form step pressurization, high-pressure deep dewatering system.This is for the structure of above-mentioned two kinds of single belt filter presses, and carrying out connects is be very easy to realize.First can carry out press filtration with less press filtration pressure, then carry out press filtration with slightly high press filtration pressure, then carry out press filtration with higher press filtration pressure.That is, the method increasing press filtration pressure is step by step adopted to realize dewatering to the high-pressure deep of material.
See Fig. 3, illustrated therein is the belt filter press of the preferred embodiment of the present invention.This belt filter press comprises two embodiments 1 or the filter of the list described in embodiment 2 belt filter press, wherein the formation of first single filter belt filter press is with embodiment 1 (or embodiment 2), second or thereafter list filter belt filter press formation, except not having charging gear 10, all the other are with embodiment 1 (or embodiment 2).
Refer again to Fig. 3, two parts that belt filter press both can split into as described in embodiment 1 (or embodiment 2) are arranged on same basis, and a frame also can be adopted to install.
Refer again to Fig. 3, two or more single filter belt filter press is cascaded by belt filter press, forms step pressurization deep dehydration system.First can carry out press filtration with less press filtration pressure, then carry out press filtration with slightly high press filtration pressure, then carry out press filtration with higher press filtration pressure.Adopt the deep dehydration that the method increasing press filtration pressure step by step realizes dehydrated material.Can prevent dehydrated material because of dewater front moisture content compared with large, shear stress is little, water retention property is poor, pressure is slightly high causes mud conquassation, dehydrated material is trickled to both sides and rear because of extruding, treats that the dehydrated material of press filtration is difficult to enter press filtration region, improve the dewatering efficiency of dehydrated material simultaneously.
Each embodiment of the present invention, by having revolutionary innovation structure above, can be applied to the paste solidliquid mixtures such as the dregs of a decoction, waste sludge from paper mill, mud, coal slime, and realize high-pressure deep dehydration, the present invention does not limit application.
To sum up, compared with prior art, beneficial effect of the present invention is:
First, each embodiment above-mentioned creatively adopts wall scroll strainer (or filtering pervious bed), by strainer (or filtering pervious bed) filter-press dehydration, metal mesh belt provides squeeze force, dehydrated material under the parcel of strainer (or filter watertight composition) and metal mesh belt by the high pressure press filtration district filter-press dehydration under pressure roller, squeeze force size is regulated by metal mesh belt idler roller, and then, fundamentally thoroughly overcoming tradition single filter belt filter press uses double-deck strainer due to lower filter belt radius of gyration difference in press filtration district, the bend-band caused by pressed zone linear velocity difference, play the defect of drum,
The second, above-mentioned each embodiment adopts wall scroll strainer, frame is only provided with the driven roller of negligible amounts, combination modified roller, pressure roller, metal mesh belt idler roller, strainer idler roller, strainer modified roller etc., complete machine structure obtains and simplifies to greatest extent, trouble point is greatly reduced, and complete machine operational reliability significantly improves; Meanwhile, amount of parts needed for overall structure reduces, and improve and simplify fabrication technology, manufacturing cost reduces greatly;
In addition, according to the different efficiency requirements of dehydrated material dehydration, adopt combined modular design concept, easily by two or more press filtration units in series together, step pressurization high-pressure deep dewatering system can be formed.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (3)
1. a belt filter press filtered by list, it is characterized in that,
Comprise driven roller, press filtration portion and tensioning tuningout portion;
Described driven roller is for driving the running in described press filtration portion;
Described press filtration portion comprises pressure roller, 1 strainer, 1 strip metal guipure and combination modified roller, described strainer is used for filter-press dehydration, described metal mesh belt is used for providing squeeze force, and described strainer, described metal mesh belt and described pressure roller, described combination modified roller form the press filtration district of this list filter belt filter press;
In press filtration district, strainer and metal mesh belt laminating, form the space for wrapping up dehydrated material; Strainer is close to the outer rim of pressure roller, and, for wrapping up the below being spatially located at pressure roller of dehydrated material; Pressure roller are between driven roller and combination modified roller;
Described tensioning offset portion does not compress, for carrying out tensioning and tuningout to described strainer and described metal mesh belt with described strainer and described metal mesh belt.
2. a belt filter press filtered by list, it is characterized in that, comprising:
Driven roller and press filtration portion;
Described driven roller is for driving the running in described press filtration portion;
Described press filtration portion comprises pressure roller, strainer and metal mesh belt;
The outer surface of described pressure roller is enclosed with filtration pervious bed;
Described filtration pervious bed and described strainer, described metal mesh belt are fitted, and form press filtration district;
Described pressure roller are provided with perforate, for the formation of filter-press dehydration passage;
Described single filter belt filter press also comprises tensioning tuningout portion;
Described tensioning offset portion does not compress, for carrying out tensioning and tuningout to described strainer and described metal mesh belt with described strainer and described metal mesh belt.
3. a belt filter press filtered by list, it is characterized in that,
Comprise the list filter belt filter press of at least two groups according to any one of claim 1 to 2, be connected in series between adjacent filter press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316975.XA CN104922962B (en) | 2015-06-10 | 2015-06-10 | single filter belt filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316975.XA CN104922962B (en) | 2015-06-10 | 2015-06-10 | single filter belt filter press |
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| CN104922962A true CN104922962A (en) | 2015-09-23 |
| CN104922962B CN104922962B (en) | 2017-09-26 |
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|---|---|---|---|---|
| CH600932A5 (en) * | 1976-12-09 | 1978-06-30 | Von Roll Ag | Sludge filter press with two endless belts |
| CN2201165Y (en) * | 1994-07-14 | 1995-06-21 | 简澄渊 | Single-belt ultrapressure sludge dewatering machine |
| CN201260913Y (en) * | 2008-08-29 | 2009-06-24 | 蒋少波 | Pressure filter |
| CN102794046A (en) * | 2012-07-11 | 2012-11-28 | 广西力源宝农林科技发展有限责任公司 | Multi-tensioning belt filter press |
| CN103007614A (en) * | 2012-12-30 | 2013-04-03 | 陆汉克 | High-efficiency energy-saving belt filter press |
| CN103785217A (en) * | 2014-02-27 | 2014-05-14 | 北京中矿环保科技股份有限公司 | Cascade pressurization belt type pressure filter |
| CN204745812U (en) * | 2015-06-10 | 2015-11-11 | 北京中矿环保科技股份有限公司 | Singly strain belt filter press |
-
2015
- 2015-06-10 CN CN201510316975.XA patent/CN104922962B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH600932A5 (en) * | 1976-12-09 | 1978-06-30 | Von Roll Ag | Sludge filter press with two endless belts |
| CN2201165Y (en) * | 1994-07-14 | 1995-06-21 | 简澄渊 | Single-belt ultrapressure sludge dewatering machine |
| CN201260913Y (en) * | 2008-08-29 | 2009-06-24 | 蒋少波 | Pressure filter |
| CN102794046A (en) * | 2012-07-11 | 2012-11-28 | 广西力源宝农林科技发展有限责任公司 | Multi-tensioning belt filter press |
| CN103007614A (en) * | 2012-12-30 | 2013-04-03 | 陆汉克 | High-efficiency energy-saving belt filter press |
| CN103785217A (en) * | 2014-02-27 | 2014-05-14 | 北京中矿环保科技股份有限公司 | Cascade pressurization belt type pressure filter |
| CN204745812U (en) * | 2015-06-10 | 2015-11-11 | 北京中矿环保科技股份有限公司 | Singly strain belt filter press |
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| CN104922962B (en) | 2017-09-26 |
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