CN110508040B - Filter disc of filter press and filter assembly using filter disc of filter press - Google Patents
Filter disc of filter press and filter assembly using filter disc of filter press Download PDFInfo
- Publication number
- CN110508040B CN110508040B CN201910864915.XA CN201910864915A CN110508040B CN 110508040 B CN110508040 B CN 110508040B CN 201910864915 A CN201910864915 A CN 201910864915A CN 110508040 B CN110508040 B CN 110508040B
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- Prior art keywords
- filter
- porous plate
- layer
- filtering
- aperture
- Prior art date
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- 238000001914 filtration Methods 0.000 claims abstract description 41
- 238000005245 sintering Methods 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 230000002194 synthesizing effect Effects 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 11
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012847 fine chemical Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- UAZUEJTXWAXSMA-UHFFFAOYSA-N 1,1-dichlorobut-1-ene Chemical compound CCC=C(Cl)Cl UAZUEJTXWAXSMA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000007037 hydroformylation reaction Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N vinyl-ethylene Natural products C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a filter disc of a filter press and a filter assembly using the filter disc of the filter press, and belongs to the technical field of filter devices of filter presses. The technical scheme of the invention is as follows: the invention discloses a filter plate of a filter press, which comprises a porous plate and a composite sintering net sintered on the porous plate, wherein the aperture of the composite sintering net gradually increases from a filter surface to a filtering surface. The invention has the advantages of high rigidity, excellent flatness, high temperature and high pressure resistance, good impact resistance, difficult deformation, accurate filtering precision and good chemical resistance, and the net layer is distributed by adopting a unique structure from a filtering surface to a filtering surface from refined to sparse, so that the filtered materials can flow more smoothly, the material flow is increased, and the production efficiency is further effectively improved.
Description
Technical Field
The invention belongs to the technical field of filter devices of filter presses, and particularly relates to a filter disc of a filter press and a filter assembly using the filter disc of the filter press.
Background
1,4-Butanediol (1, 4-Butanediol, BDO for short) is an important basic organic chemical and fine chemical raw material, and has wide application, various derivatives of the BDO are fine chemical products with high added value, and the BDO is widely applied to various fields in national economy. According to different raw material routes, the formed 1,4-butanediol production method comprises an alkynal method, a butadiene acetyl oxidation method, a dichlorobutene hydrolysis method, an allyl alcohol hydroformylation method, a maleic anhydride hydrogenation method and the like. At present, the filter of the filter press produced in China has a lot of varieties, but the materials with very fine 1,4-butanediol particle size and the materials with high viscosity are difficult to treat, the bottleneck is brought to industrial production, the filtering time is long, the filtering is not dry, the energy consumption of the filter is high, the energy consumption of subsequent washing and drying is greatly increased, in addition, a conventional filter uses a pure sintering net which is a micro-pattern woven net, and the flow rate and the strength of the sintering net are insufficient.
Disclosure of Invention
The invention solves the technical problem of providing the filter disc of the filter press and the filter assembly using the filter disc of the filter press, which have the advantages of simple structure, reasonable design, good impact resistance and large material flow.
The invention adopts the following technical scheme for solving the technical problems, and is characterized by comprising a porous plate and a composite sintering net sintered on the porous plate, wherein the aperture of the composite sintering net gradually increases from a filtering surface to a filtering surface.
Further preferably, the perforated plate is a perforated plate with the thickness of 4-8mm, connecting holes are uniformly distributed on the perforated plate along the circumferential direction, a hole-free area matched with the compression surface of the outer circular filter disc frame is arranged at the circumferential edge part of the outer side of the perforated plate, a hole-free area matched with the compression surface of the inner circular filter disc frame is arranged at the circumferential edge part of the inner side of the perforated plate, filter holes formed by punching are uniformly distributed on the perforated plate between the hole-free areas of the inner side and the outer side, the aperture of each filter hole is 5-10mm, and the hole center distance of each adjacent filter hole is 10-20mm.
Further preferably, the thickness of the porous plate is 6mm, the aperture of the filtering holes on the porous plate is 7mm, and the hole center distance of the adjacent filtering holes is 14mm.
Further preferably, 5-9 layers of stainless steel mesh with gradually enlarged pore diameters from the filtering surface to the filtering surface are sintered on the porous plate, and the stainless steel mesh is a plain woven mesh with the largest aperture ratio.
Further preferably, the composite sintering net comprises a runner layer, a supporting protection layer and a filtering control layer which are sequentially distributed on the porous plate from inside to outside, wherein the runner layer is 3-7 layers, the aperture of the runner layer is 300-2400mm, the supporting protection layer is 1 layer, the aperture of the supporting protection layer is 150-200 mu m, the filtering control layer is 1 layer, and the aperture of the filtering control layer is 10-50 mu m.
Further preferably, the pore diameter of the multi-layer stainless steel sintering net in the flow passage layer gradually increases from the filtering surface to the filtering surface.
The filter assembly using the filter press filter disc is characterized by comprising filter press filter discs oppositely arranged by porous plates, an outer circular filter disc frame arranged on the outer circumferential end surface of the filter press filter discs and an inner circular filter disc frame arranged on the inner circumferential end surface of the filter press filter discs, wherein the inner circular filter disc frame and the outer circular filter disc frame are respectively pressed and sealed with the pore-free areas of the inner side and the outer side of the filter press filter discs through an inner circular pressing sleeve and an outer circular pressing sleeve, a filter liquid cavity is formed between the filter press filter discs oppositely arranged, a radial discharge hole communicated with the filter liquid cavity is formed in the outer circular filter disc frame, and the filter press filter discs oppositely arranged are pressed and fixed through a connecting screw sleeve and a connecting bolt matched with the connecting holes in the porous plates.
Compared with the prior art, the invention has the following beneficial effects: the invention has the advantages of high rigidity, excellent flatness, high temperature and high pressure resistance, good impact resistance, difficult deformation, accurate filtering precision and good chemical resistance, and the net layer is distributed by adopting a unique structure from a filtering surface to a filtering surface from refined to sparse, so that the filtered materials can flow more smoothly, the material flow is increased, and the production efficiency is further effectively improved.
Drawings
FIG. 1 is a schematic view of the structure of a filter tray of a pressure filter of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic illustration of the structure of the filter assembly of the present invention;
FIG. 5 is a side view of FIG. 4;
FIG. 6 is a schematic view of the general structure of the medium pressure filter of the present invention;
FIG. 7 is a schematic view of the structure of a filter scraper according to the present invention;
Fig. 8 is a side view of fig. 7.
In the figure: 1-porous plate, 2-composite sintering net, 3-connecting hole, 4-outer circular filter tray frame, 5-non-porous area, 6-inner circular filter tray frame, 7-filter hole, 8-inner circular compressing sleeve, 9-outer circular compressing sleeve and 10-discharge hole.
Detailed Description
The technical scheme of the invention is described in detail by referring to the attached drawings, the filter disc of the filter press comprises a porous plate 1 and a composite sintering net 2 sintered on the porous plate 1, the aperture of the composite sintering net 2 gradually increases from a filter surface to a filtering surface, the porous plate 1 is a 4-8mm thick punching plate, particularly a 6mm thick punching plate, the porous plate 1 is provided with connecting holes 3 uniformly distributed along the circumferential direction, the circumferential edge part of the outer side of the porous plate 1 is provided with a non-porous region 5 matched with the compression surface of an outer circular filter disc frame 4, the circumferential edge part of the inner side of the porous plate 1 is provided with a non-porous region 5 matched with the compression surface of an inner circular filter disc frame 6, the porous plate 1 between the inner side non-porous region 5 and the outer side is uniformly provided with a punched filtering hole 7, the aperture of the filtering hole 7 is 5-10mm, preferably 6-8mm, particularly 7mm, and the hole center distance of the adjacent filtering hole 7 is 10-20mm, preferably 12-18mm, particularly 14mm; the porous plate 1 is sintered with 5-9 layers of stainless steel nets with gradually enlarged pore diameters from a filtering surface to a filtering surface, the stainless steel nets are plain woven nets with the largest aperture ratio, the multi-layer stainless steel nets comprise runner layers, supporting protection layers and filtering control layers which are sequentially distributed on the porous plate from inside to outside, wherein the runner layers are 3-7 layers, the pore diameters of the runner layers are 300-2400mm, the pore diameters of the multi-layer stainless steel sintering nets in the runner layers gradually enlarged from the filtering surface to the filtering surface, the supporting protection layers are 1 layer, the pore diameters of the supporting protection layers are 150-200 mu m, the filtering control layers are 1 layer, and the pore diameters of the filtering control layers are 10-50 mu m.
The filter assembly using the filter press filter disc comprises filter press filter discs oppositely arranged on a perforated plate 1, an outer circular filter disc frame 4 arranged on the outer circumferential end surface of the filter press filter discs and an inner circular filter disc frame 6 arranged on the inner circumferential end surface of the filter press filter discs, wherein the inner circular filter disc frame 6 and the outer circular filter disc frame 4 are respectively pressed and sealed with a pore-free area 5 on the inner side and the outer side of the filter press filter discs through an inner circular pressing sleeve 8 and an outer circular pressing sleeve 9, a filter liquid cavity is formed between the oppositely arranged filter press filter discs, a radial discharge hole 10 communicated with the filter liquid cavity is formed on the outer circular filter disc frame 4, and the oppositely arranged filter press filter discs are pressed and fixed through a connecting screw sleeve and a connecting bolt matched with a connecting hole 3 on the perforated plate 1.
The specific operation process of the invention is as follows: the solid-liquid mixture obtained in the process of synthesizing the 1, 4-dibutyl alcohol is added into a cylindrical cavity of the filter disc assembly from a feed inlet at one side of the filter disc assembly and is uniformly distributed in the cylindrical cavity, the solid-liquid mixture sequentially passes through a filter control layer, a support protection layer, a runner layer and a filter hole on a porous plate on a filter disc of a filter press to enter the filter liquid cavity, and is discharged through a discharge hole on an outer circular filter disc frame, particulate impurities in the solid-liquid mixture are trapped on the filter control layer, and the particulate impurities are cleaned by filter scrapers arranged at two sides of the filter assembly, so that the filter assembly can be recycled.
While the basic principles of the invention have been shown and described, there are various changes and modifications to the invention, which fall within the scope of the invention as hereinafter claimed, without departing from the spirit and scope of the invention.
Claims (3)
1. The filter assembly is characterized by comprising filter press filter discs oppositely arranged by porous plates, an outer circular filter disc frame arranged on the outer circumferential end surface of the filter press filter discs and an inner circular filter disc frame arranged on the inner circumferential end surface of the filter press filter discs, wherein the inner circular filter disc frame and the outer circular filter disc frame are respectively pressed and sealed with the pore-free areas on the inner side and the outer side of the filter press filter discs through an inner circular pressing sleeve and an outer circular pressing sleeve, so that a filter liquid cavity is formed between the filter press filter discs oppositely arranged, the outer circular filter disc frame is provided with a radial discharge hole communicated with the filter liquid cavity, and the filter press filter discs oppositely arranged are pressed and fixed through connecting screw sleeves and connecting bolts matched with connecting holes on the porous plates; the filter disc of the filter press comprises a porous plate and a composite sintering net sintered on the porous plate, wherein the aperture of the composite sintering net gradually increases from a filter surface to a filtering surface; the porous plate is a 4-8mm thick punching plate, connecting holes are uniformly distributed on the porous plate along the circumferential direction, a non-porous area matched with the compression surface of the outer circular filter disc frame is arranged at the circumferential edge part of the outer side of the porous plate, a non-porous area matched with the compression surface of the inner circular filter disc frame is arranged at the circumferential edge part of the inner side of the porous plate, filter holes formed by punching are uniformly distributed on the porous plate between the non-porous areas on the inner side and the outer side, the aperture of each filter hole is 5-10mm, and the hole center distance of each adjacent filter hole is 10-20mm; the composite sintering net comprises a runner layer, a supporting protection layer and a filtering control layer which are sequentially distributed on the porous plate from inside to outside, wherein the runner layer is 3-7 layers, the aperture of the runner layer is 300-2400mm, the supporting protection layer is 1 layer, the aperture of the supporting protection layer is 150-200 mu m, the filtering control layer is 1 layer, and the aperture of the filtering control layer is 10-50 mu m; the aperture of the multi-layer stainless steel sintering net in the flow passage layer gradually increases from the filtering surface to the filtering surface; the solid-liquid mixture obtained in the process of synthesizing 1, 4-dibutyl alcohol in the running process is added into a cylindrical cavity of the filter disc assembly from a feed inlet at one side of the filter disc assembly and is uniformly distributed in the cylindrical cavity, the solid-liquid mixture sequentially passes through a filter control layer on a filter disc of the filter press, a support protection layer, a runner layer and a filter hole on a porous plate, enters into a filtrate cavity, and is discharged through a discharge hole on an outer circular filter disc frame, particulate impurities in the solid-liquid mixture are trapped on the filter control layer, and the particulate impurities are cleaned by filter scrapers arranged at two sides of the filter assembly, so that the filter assembly can be recycled.
2. A filter assembly as defined in claim 1, wherein: the thickness of the porous plate is 6mm, the aperture of the filtering holes on the porous plate is 7mm, and the hole center distance of the adjacent filtering holes is 14mm.
3. A filter assembly as defined in claim 1, wherein: and 5-9 layers of stainless steel nets with gradually enlarged pore diameters from the filtering surface to the filtering surface are sintered on the porous plate, and the stainless steel nets are plain woven nets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910864915.XA CN110508040B (en) | 2019-09-12 | 2019-09-12 | Filter disc of filter press and filter assembly using filter disc of filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910864915.XA CN110508040B (en) | 2019-09-12 | 2019-09-12 | Filter disc of filter press and filter assembly using filter disc of filter press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110508040A CN110508040A (en) | 2019-11-29 |
| CN110508040B true CN110508040B (en) | 2024-07-09 |
Family
ID=68630774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910864915.XA Active CN110508040B (en) | 2019-09-12 | 2019-09-12 | Filter disc of filter press and filter assembly using filter disc of filter press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110508040B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204563698U (en) * | 2015-03-26 | 2015-08-19 | 安徽省通源环境节能有限公司 | Sludge high-drying dehydration filter press filter plate assembly |
| CN204767824U (en) * | 2015-06-02 | 2015-11-18 | 青岛海德威科技有限公司 | Filter and net with three -layer composite sintering |
| CN109731393A (en) * | 2019-03-15 | 2019-05-10 | 菲立化学工程(遂昌)有限公司 | A kind of press filteration system |
| CN210993157U (en) * | 2019-09-12 | 2020-07-14 | 新乡市中汇过滤技术有限公司 | Filter disc of filter press and filter assembly using filter disc of filter press |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4315695A1 (en) * | 1993-05-11 | 1995-01-05 | Jv Kunststoffwerk | Filter press |
| JP2001079311A (en) * | 1999-09-10 | 2001-03-27 | Masayoshi Udagawa | Automatic peeling method for dehydration filter plate and automatic peeling device therefor |
| CN2677008Y (en) * | 2003-12-17 | 2005-02-09 | 西部金属材料股份有限公司 | Multilayer metal composite cintered net for filtration |
| CN101810965B (en) * | 2010-03-30 | 2012-04-18 | 宁波万华聚氨酯有限公司 | Thickener and method for applying same in liquid-solid separation |
| CN203971495U (en) * | 2014-06-16 | 2014-12-03 | 襄阳高隆磷化工有限责任公司 | A kind of plate compression device and system of processing for phosphorus product dearsenification |
| CN204447552U (en) * | 2015-03-03 | 2015-07-08 | 新乡正源净化科技有限公司 | Thickener filter disc filter screen |
-
2019
- 2019-09-12 CN CN201910864915.XA patent/CN110508040B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204563698U (en) * | 2015-03-26 | 2015-08-19 | 安徽省通源环境节能有限公司 | Sludge high-drying dehydration filter press filter plate assembly |
| CN204767824U (en) * | 2015-06-02 | 2015-11-18 | 青岛海德威科技有限公司 | Filter and net with three -layer composite sintering |
| CN109731393A (en) * | 2019-03-15 | 2019-05-10 | 菲立化学工程(遂昌)有限公司 | A kind of press filteration system |
| CN210993157U (en) * | 2019-09-12 | 2020-07-14 | 新乡市中汇过滤技术有限公司 | Filter disc of filter press and filter assembly using filter disc of filter press |
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| Publication number | Publication date |
|---|---|
| CN110508040A (en) | 2019-11-29 |
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