CN102728119B - Sheathed circular truncated cone type filter press - Google Patents
Sheathed circular truncated cone type filter press Download PDFInfo
- Publication number
- CN102728119B CN102728119B CN201210234498.9A CN201210234498A CN102728119B CN 102728119 B CN102728119 B CN 102728119B CN 201210234498 A CN201210234498 A CN 201210234498A CN 102728119 B CN102728119 B CN 102728119B
- Authority
- CN
- China
- Prior art keywords
- truncated cone
- shaped sleeve
- circular truncated
- sleeve
- filter press
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004744 fabric Substances 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 239000011148 porous material Substances 0.000 claims description 8
- 239000003351 stiffener Substances 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims 1
- 239000012065 filter cake Substances 0.000 abstract description 17
- 238000007599 discharging Methods 0.000 abstract description 10
- 239000003245 coal Substances 0.000 abstract description 8
- 239000007787 solid Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000018044 dehydration Effects 0.000 abstract description 2
- 238000006297 dehydration reaction Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000000717 retained effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/80—Handling the filter cake in the filter for purposes other than for regenerating for drying
- B01D29/84—Handling the filter cake in the filter for purposes other than for regenerating for drying by gases or by heating
- B01D29/843—Handling the filter cake in the filter for purposes other than for regenerating for drying by gases or by heating by direct contact with a fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/02—Filtering elements having a conical form
Abstract
The invention discloses a sheathed circular truncated cone type filter press which comprises an outer circular truncated cone-shaped sleeve and an inner circular truncated cone-shaped sleeve, wherein the inner circular truncated cone sleeve is arranged at the middle part of the outer circular truncated cone sleeve; a filter press rubber sleeve is arranged on the inner wall of the outer circular truncated cone-shaped sleeve; a plurality of small holes are formed in the inner circular truncated cone-shaped sleeve; filtering cloth is arranged on the outer wall of the inner circular truncated cone-shaped sleeve; air inlet pipes are arranged at two sides of the outer circular truncated cone-shaped sleeve respectively; an inner sleeve water outlet pipe is arranged at the bottom of the inner circular truncated cone-shaped sleeve; a discharging plate is arranged at the upper part of a circular truncated cone-shaped filtering chamber; a plurality of discharging holes are formed in the discharging plate; a feeding pipe which is communicated with the inside part of the outer circular truncated cone-shaped sleeve is arranged at one side an upper cover; high pressure air inlet pipes which are respectively communicated with the inside parts of the inner circular truncated cone-shaped sleeve and the outer circular truncated cone-shaped sleeve are arranged at the other side of the upper cover; and a water outlet pipe of the filter press machine connected with an inner sleeve water outlet pipe is arranged on a bottom cover. The filter press dehydration is implemented through high pressure gas; fine coal grains are retained inside the circular truncated cone-shaped chamber to be formed as filter cakes; the filter cakes are discharged by opening the bottom cover automatically; the whole filter press process is simple and easy to implement with few maintenance and high efficiency; the solid and liquid separation effect is good; and the energy consumption is low.
Description
Technical field
The present invention relates to a kind of filter press, especially a kind of desk-top filter press of cover that is applied to fine coal de-watering.Belong to chemical industry, mineral processing and clean coal technology application.
Background technology
Fine coal de-watering be take sheet frame/chamber filter press as main both at home and abroad at present, structure mainly consists of square (or rectangle) metal (or synthetic material) framework external application rubber slab and filter cloth stack, existing problems are that filter press frame/box frame withstand voltage properties is bad, easily distortion, easily form the phenomenons such as run, drip, leak, result causes filtrate solid content higher, and filter cake moisture is also higher.Current incipient tubular filter press resistance to pressure strengthens, and its structure is mainly by two metal tubes of inside and outside thickness of same length, and by the upper and lower covers formation that combines, outer wall of inner tube lays filter cloth, and outer tube wall lays rubber slab; But its existing problems are inner tubes, together with lower cover, very heavily need to move, after filter cake forms, shift out the discharging of urceolus ability; Inner core and upper and lower covers coupling part are because of often mobile easy to wear; Inner tube is very little to the de-cake effect of filter chamber air blowing through filter cloth, and discharging is leaned on manually substantially; Easily cause filter cloth to damage; Can not produce by high-efficient automatic; Filter cloth is cleaning dirty, increases regeneration and produces resistance.
Summary of the invention
Technical problem: the object of the invention is to overcome the weak point in prior art, a kind of simple in structure, good pressure-resistant performance is provided, reduces wear, realize the desk-top filter press of cover of automatic discharging.
Technical scheme: the desk-top filter press of cover of the present invention, comprise the greatly upper young outer truncated cone-shaped sleeve of end mouth, the bottom of outer truncated cone-shaped sleeve is provided with bottom, top is provided with upper cover, the middle part of outer truncated cone-shaped sleeve is provided with large lower young interior truncated cone-shaped sleeve suitable for reading, and outer truncated cone-shaped sleeve lining is provided with press filtration rubber sleeve, on interior truncated cone-shaped sleeve, has some apertures, the outer wall of interior truncated cone-shaped sleeve is provided with filter cloth, forms outer round platform filter chamber between filter cloth and press filtration rubber sleeve; The upper left side of outer truncated cone-shaped sleeve wall and lower right side are respectively equipped with the air inlet pipe of controlling through control valve; The bottom of interior truncated cone-shaped sleeve is provided with inner core outlet pipe, and the top of round platform filter chamber is provided with stripper charging/pore, and stripper is provided with a plurality of dumping pits; On described, cover a side and be provided with the feed pipe leading in outer truncated cone-shaped sleeve, on described, cover opposite side and be provided with the high-pressure pipe leading to respectively in interior truncated cone-shaped sleeve and outer truncated cone-shaped sleeve, stripper is provided with stripper support, and stripper support is provided with fixed head; Described bottom is provided with the filter press outlet pipe being connected with inner core outlet pipe.
Described a plurality of stripper charging/pores are uniform is three; Described bottom is provided with bottom stiffener.
Beneficial effect
:the present invention adopts two truncated cone-shaped sleeves that are set in together to add that lid and bottom lid combines, improved equipment withstand voltage properties, to entering the Bed for Fine Coal slip of round platform filter chamber, can promote press filtration rubber sleeve and direct voltage air inlet enforcement high pressure filter-press dehydration by high pressure gas, moisture enters interior round platform filter chamber and forms filtrate discharge filter press, thin cleaned coal particle is trapped in round platform filter chamber and forms filter cake, by opening bottom, automatically promote stripper and draw off filter cake, then stripper resets, bottom is closed, and enters next circulation.Solve poor yielding, the problem of leaking material of current conventional filter press resistance to pressure, reach the resistance to pressure that improves filter press equipment; Solving tubular filter press production process inner tube needs mobile discharge, and discharging lean on manually substantially, problem that can not high-efficient automatic production, reach and realize filter press production process inner core and do not need mobilely, main equipment is fixed, and reduces wear, realize automatic discharging, bottom reaches automatic shutter; Solve the anti-shortcoming not washing clean of tubular filter press production process filter cloth, reach high pressure gas backwash and reduce resistance, realize clean target of producing.Whole pressure-filtering process is simple, and maintenance is few, and efficiency is high, good effect of separating solid from liquid, and energy consumption is low.Its major advantage has:
1. the desk-top filter press equipment body of cover of invention is comprised of truncated cone-shaped sleeve, its design feature and mechanics autofrettage effeet, can make to overlap desk-top filter press strengthens compared with plate and frame/chamber filter press greatly at pressure-filtering process withstand voltage properties, thereby can have larger assurance to make press filtration filter cake reach lower moisture, filtrate solid content is reduced to desirable requirement;
2. because the desk-top filter press truncated cone-shaped inner core of cover does not move, and fixing as a whole with urceolus and upper cover, equipment moving parts are few, compare with existing tubular filter press, wearing and tearing and possible artificial damage have been reduced, in the parts service life that has relatively extended equipment, extended life of equipment;
3. because the desk-top filter press of cover can be realized automatic discharging by stripper, bottom automatic shutter, so compare with existing tubular filter press manual cleaning, greatly improved production efficiency, simultaneously because the desk-top filter press urceolus of cover is just put, the inverted combining structure feature of inner core, make press filtration filter cake finally become the large configuration in little bottom, top, after press filtration rubber sleeve and filter cloth push successively, can realize filter cake Automatic-falling, reduce the two-sided resistance of filter cake and press filtration rubber sleeve and filter cloth, be convenient to realize stripper discharging;
4. owing to using high pressure gas backwash filter cloth back and forth, filter cloth cleaning performance is good, can also directly reclaim residual cleaned coal particle on filter cloth, has reduced the waste of water resource and thin cleaned coal.
Accompanying drawing explanation
Fig. 1 is the desk-top structure of pressing filter schematic diagram of cover of the present invention;
Fig. 2 is stripper structural representation of the present invention.
In figure: 1. filter press outlet pipe; 2. bottom stiffener; 3. inner core outlet pipe; 4. bottom; 5. outer round platform sleeve; 6. press filtration rubber sleeve; 7. outer round platform filter chamber; 8. filter cloth; 9. interior round platform sleeve; 10. interior round platform filter chamber; 11. air inlet pipe; 12,19,20,21,22,23 control valves; 13. strippers; 14. upper covers; 15. feed pipes; 16. stripper supports; 17. fixed heads; 18. high pressure gas air inlet pipe; 24. stripper charging/pores.
The specific embodiment
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
As shown in Figure 1, the desk-top filter press of cover of the present invention mainly consists of outer round platform sleeve 5, interior round platform sleeve 9, the greatly upper young outer truncated cone-shaped sleeve 5 of end mouth, the bottom of outer truncated cone-shaped sleeve 5 is provided with bottom 4, top is provided with upper cover 14, the middle part of outer truncated cone-shaped sleeve 5 is provided with large lower young interior truncated cone-shaped sleeve 9 suitable for reading, and outer truncated cone-shaped sleeve 5 inwalls are provided with press filtration rubber sleeve 6, and outer truncated cone-shaped sleeve 5 and press filtration rubber sleeve 6 form mezzanine space that can air inlet; On interior truncated cone-shaped sleeve 9 bodies, have for filtrate by and some apertures of backwash, on the outer wall of interior truncated cone-shaped sleeve 9, be laid with filter cloth 8, inside and outside two round platform sleeves, press filtration rubber sleeve 6 and filter cloth 8 are closely fixing with upper cover 14, pressure-resistant seal, the non-moving agent structure of forming device; Between filter cloth 8 and press filtration rubber sleeve 6, form filter press hold material by and the outer round platform filter chamber 7 used of filter cake; The upper left side of outer truncated cone-shaped sleeve 5 walls and lower right side are respectively equipped with the air inlet pipe 11 of controlling through control valve 12; The bottom of interior truncated cone-shaped sleeve 9 is provided with inner core outlet pipe 3, and the top of round platform filter chamber 7 is provided with stripper 13, and the number of stripper charging/pore 24 is set as required, and stripper charging/pore 24 is three as shown in Figure 2, is evenly arranged; On described upper cover 14, a side is provided with the feed pipe 15 leading in outer truncated cone-shaped sleeve 5, on described upper cover 14, opposite side is provided with the high pressure gas air inlet pipe 18 of leading to respectively in interior truncated cone-shaped sleeve 9 and outer truncated cone-shaped sleeve 5, stripper 13 is provided with movably stripper support 16 triangular in shape, and stripper support 16 seals air tight stripper support 16 with filter press upper cover 14 Contacts and is provided with fixed head 17; Described bottom 4 is provided with bottom stiffener 2, and bottom 4 is provided with the filter press outlet pipe 1 being connected with inner core outlet pipe 3, and bottom 4 can be realized good contact with interior truncated cone-shaped sleeve 9 and 5 two coaxial truncated cone-shaped sleeves of outer truncated cone-shaped sleeve, realizes automatic shutter; On feed pipe 15, high pressure gas air inlet pipe 18, air inlet pipe 11 and filter press outlet pipe 1, be equipped with control valve.
Operation principle and the course of work: when work starts, all control valves are all located closed condition, open the control valve 26 of feed pipe 15, ready slip is entered in outer round platform filter chamber 7 through feed pipe 15 force feeds, when slip is full of round platform filter chamber 7, close the control valve 22 of feed pipe 15, in filtrate some apertures on filter cloth 8 and interior round platform sleeve 9 flow in round platform filter chamber 10, then through inner core outlet pipe 3 and 1 outflow of filter press outlet pipe; Open the control valve 19,21 in outer round platform filter chamber 7 top high pressure gas air inlet pipe 18, high pressure gas enters outer round platform filter chamber 7 via high pressure gas air inlet pipe 18, extruding filtrate wherein further dewaters, and makes it be squeezed into filter cake, and closed control valve 19,21 afterwards, open the control valve 12 in two air inlet pipe 11 of outer truncated cone-shaped sleeve 5 both sides, pass into high pressure gas, promote press filtration rubber sleeve 6 extruding filter cakes, when observing the 1 anhydrous outflow of filter press outlet pipe, stop air inlet, closed control valve 12,23; Open control valve 19,20, inwardly round platform filter chamber 10 is filled with high pressure gas, and aperture and the filter cloth of high pressure gas on interior round platform sleeve 9 enters, and again pushes filter cake, when anhydrous outflow, stops air inlet, closes the control valve 19 and 20 in high pressure gas air inlet pipe 18; Open bottom 4, filter cake, by self gravitation self falling, leaves outer round platform filter chamber 7; If filter cake fails to deviate from voluntarily outer round platform filter chamber 7, again by fixed head 17, through contour stripper support 16, promote stripper 13, filter cake is released to outer round platform filter chamber 7, then by fixed head 17, stripper 13 is retracted to original position, then the reset of grip platform filter press bottom is closed, waits to wait upon to enter next press filtration circulation.
When causing filtration resistance to strengthen, the obstruction of filter cloth micropore needs backwash filter cloth 8, now open the control valve 19 of high pressure gas air inlet pipe 18, 20, closed control valve 12, 21, 22, 23, inwardly round platform filter chamber 10 is pressed into rapidly the high pressure gas of certain pressure, high pressure gas enters outer round platform filter chamber 7 through interior round platform filter chamber 10 apertures and filter cloth, solid particle on filter cloth micropore is drawn in to outer round platform filter chamber 7 simultaneously, clean filter cloth, closed control valve 20 again, open control valve 21, 23, outwards round platform filter chamber 7 is pressed into high pressure gas, high pressure gas is entered interior round platform filter chamber 10 through filter cloth and is discharged from filter press outlet pipe 1, high pressure gas will further be cleaned filter cloth during by filter cloth, according to filter cloth stopping state, clean back and forth the object that several times can reach the clean filter cloth of backwash.
Claims (1)
1. one kind is overlapped desk-top filter press, comprise filter press outlet pipe (1), outer truncated cone-shaped sleeve (5), press filtration rubber sleeve (6), stripper charging/pore (24), the bottom of outer truncated cone-shaped sleeve (5) is provided with bottom (4), top is provided with upper cover (14), it is characterized in that: described outer truncated cone-shaped sleeve (5) is the greatly upper young hollow round table of end opening, the middle part of outer truncated cone-shaped sleeve (5) is provided with large lower young interior truncated cone-shaped sleeve (9) suitable for reading, press filtration rubber sleeve (6) is located on the inwall of outer truncated cone-shaped sleeve (5), on interior truncated cone-shaped sleeve (9), be evenly equipped with some apertures, the outer wall of interior truncated cone-shaped sleeve (9) is provided with filter cloth (8), between filter cloth (8) and press filtration rubber sleeve (6), form upper end little, the outer round platform filter chamber (7) of interlayer that lower end is large, the upper left side of outer truncated cone-shaped sleeve (5) wall and lower right side are respectively equipped with the air inlet pipe (11) of controlling through control valve (12), the bottom of interior truncated cone-shaped sleeve (9) is provided with inner core outlet pipe (3), and the top of outer round platform filter chamber (7) is provided with stripper (13), and stripper (13) is provided with a plurality of stripper charging/pores (24), the upper side of described upper cover (14) is provided with the feed pipe (15) leading in outer truncated cone-shaped sleeve (5), the upper opposite side of described upper cover (14) is provided with the high pressure gas air inlet pipe (18) of leading to respectively in interior truncated cone-shaped sleeve (9) and outer truncated cone-shaped sleeve (5), stripper (13) is provided with stripper support (16), and stripper support (16) is provided with fixed head (17), described bottom (4) is provided with the filter press outlet pipe (1) being connected with inner core outlet pipe (3).
2. the desk-top filter press of cover according to claim 1, is characterized in that: described stripper charging/pore (24) is uniform is three.
3. the desk-top filter press of cover according to claim 1, is characterized in that: described bottom (4) is provided with bottom stiffener (2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210234498.9A CN102728119B (en) | 2012-07-09 | 2012-07-09 | Sheathed circular truncated cone type filter press |
| PCT/CN2013/073109 WO2014008769A1 (en) | 2012-07-09 | 2013-03-25 | Sheathed circular truncated conical filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210234498.9A CN102728119B (en) | 2012-07-09 | 2012-07-09 | Sheathed circular truncated cone type filter press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102728119A CN102728119A (en) | 2012-10-17 |
| CN102728119B true CN102728119B (en) | 2014-07-16 |
Family
ID=46984847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210234498.9A Active CN102728119B (en) | 2012-07-09 | 2012-07-09 | Sheathed circular truncated cone type filter press |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102728119B (en) |
| WO (1) | WO2014008769A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728119B (en) * | 2012-07-09 | 2014-07-16 | 中国矿业大学 | Sheathed circular truncated cone type filter press |
| CN107982973B (en) * | 2017-12-12 | 2020-07-24 | 核工业烟台同兴实业集团有限公司 | Gas extrusion drying filter |
| CN112321376A (en) * | 2020-11-27 | 2021-02-05 | 山西江阳兴安民爆器材有限公司 | Simple device for impurity removal and extraction of decommissioned splitting TNT and impurity removal and extraction method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3411087A1 (en) * | 1984-03-26 | 1985-09-26 | Rittershaus & Blecher Gmbh, 5600 Wuppertal | Tubular pressure filter |
| JPH01159009A (en) * | 1988-06-16 | 1989-06-22 | Kurita Mach Mfg Co Ltd | Expression type filter press |
| CN1237544A (en) * | 1998-05-28 | 1999-12-08 | 高根树 | Pneumatic slurry press-filtering dehydration method and its equipment |
| CN101380531A (en) * | 2007-09-03 | 2009-03-11 | 张民良 | Flexible tube side-by-side high-speed, high-pressure squeezing and drying solid-liquid treatment device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1194676A (en) * | 1966-06-29 | 1970-06-10 | G & J Weir Ltd | Filtering Press |
| FR2408374A1 (en) * | 1977-11-15 | 1979-06-08 | English Clays Lovering Pochin | PRESSURE FILTER IMPROVEMENTS |
| US6511598B2 (en) * | 1997-09-02 | 2003-01-28 | Moshe Gershenson | Concentrically arranged filter element assembly |
| CN2350101Y (en) * | 1997-10-31 | 1999-11-24 | 刘文武 | Press filter |
| CN102179082B (en) * | 2011-03-29 | 2012-11-21 | 张家港市轻工设备厂 | Cylindrical filter press |
| CN102728119B (en) * | 2012-07-09 | 2014-07-16 | 中国矿业大学 | Sheathed circular truncated cone type filter press |
-
2012
- 2012-07-09 CN CN201210234498.9A patent/CN102728119B/en active Active
-
2013
- 2013-03-25 WO PCT/CN2013/073109 patent/WO2014008769A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3411087A1 (en) * | 1984-03-26 | 1985-09-26 | Rittershaus & Blecher Gmbh, 5600 Wuppertal | Tubular pressure filter |
| JPH01159009A (en) * | 1988-06-16 | 1989-06-22 | Kurita Mach Mfg Co Ltd | Expression type filter press |
| CN1237544A (en) * | 1998-05-28 | 1999-12-08 | 高根树 | Pneumatic slurry press-filtering dehydration method and its equipment |
| CN101380531A (en) * | 2007-09-03 | 2009-03-11 | 张民良 | Flexible tube side-by-side high-speed, high-pressure squeezing and drying solid-liquid treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102728119A (en) | 2012-10-17 |
| WO2014008769A1 (en) | 2014-01-16 |
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