CN1919406A - Integral polypropylene septum filter plate and preparation process thereof - Google Patents
Integral polypropylene septum filter plate and preparation process thereof Download PDFInfo
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- CN1919406A CN1919406A CN 200610111735 CN200610111735A CN1919406A CN 1919406 A CN1919406 A CN 1919406A CN 200610111735 CN200610111735 CN 200610111735 CN 200610111735 A CN200610111735 A CN 200610111735A CN 1919406 A CN1919406 A CN 1919406A
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Abstract
The invention discloses a monolithic polypropylene diaphragm filter plate, which consists of host core board and diaphragm filter plate film piece, wherein the component of host core board of diaphragm filter plate contains 58-66% polypropylene-T30S, 18-22% RA130E-8427, 12-18% glass fiber and 2-4% color masterbatch, the diaphragm filter plate film piece concludes 84-87% RA130E-8427, BE50-7032 or and RA-7050 and 13-16% excellent glue. The preparing method comprises the following steps: preparing host core board of diaphragm filter plate and diaphragm filter plate film piece, assembling diaphragm filter board host core board and film piece, fusing the manufactured surface of film piece and core board to attach, cooling, integrating the host core board and film piece to form the product.
Description
Technical field
The present invention relates to the integral polypropylene septum filter plate that a kind of filter press is used.
The invention still further relates to the preparation method of above-mentioned integral polypropylene septum filter plate.
Background technology
Membrane filter plate is the main filter element in the Separation of Solid and Liquid industry, and common have combined type membrane filter plate and an integrated septum filter plate.Wherein the combined type membrane filter plate is owing to adopt the separate type assembly, and its central layer or membrane filter plate diaphragm are changed more convenient, but when the removal filter cake, the moisture content in the membrane filter plate infiltrates on the filter cake easily.When the integrated septum filter plate can be avoided the removal filter cake moisture content is infiltrated on the filter cake, therefore use the user of whole polypropylene diaphragm filter-plate more and more in every profession and trade, and the high energy of the squeeze pressure of integrated septum filter plate reaches 3.0MPa, can reduce by 40% left and right sides filtrate after making filtration back filter cake by squeezing, saved the energy, having increased output, is optimal filter element in the Separation of Solid and Liquid industry in the world at present.
Because the integrated septum filter plate can't be dismantled and change, therefore, the quality that fundamentally strengthens whole membrane filter plate is the effective measures that occur damaging phenomenon when avoiding press filtration, and the thing followed is when making the integrated septum filter plate, and is more and more higher to the requirement of its raw material, proportioning and processing technology.Integral polypropylene septum filter plate mainly bears two kinds of pressure, and the firstth, the pressure during feed liquor, the secondth, therefore the pressure when bearing squeezing require it to have high intensity, toughness and fatigue durability.
Summary of the invention
The object of the present invention is to provide a kind of integral polypropylene septum filter plate.
Another purpose of the present invention is to provide a kind of method for preparing above-mentioned integral polypropylene septum filter plate.
For achieving the above object, integral polypropylene septum filter plate provided by the invention is made up of membrane filter plate main body central layer and membrane filter plate diaphragm two parts, and this two-part composition is polypropylene material, wherein:
The composition of membrane filter plate main body central layer is the percentage meter by weight:
Polypropylene-T30S is 58-66%; Polypropylene RA130E-8427 is 18-22%; Glass fibre is 12-18%; Masterbatch K-PP-ash-101 is 2-4%; Optimization polypropylene-T30S is 62%; Polypropylene RA130E is 20%; Glass fibre is 15%; Masterbatch K-PP-ash-101 is 3%;
The composition of membrane filter plate diaphragm is the percentage meter by weight:
Polypropylene RA130E-8427, polypropylene RA-7050 are or/and polypropylene BE50-7032 is 84-87%; Excellent energy glue TPEHE-75 or TPEHT-94 are 13-16%; Optimization polypropylene RA130E-8427, polypropylene RA-7050 are or/and polypropylene BE50-7032 is 85%; Excellent energy glue TPEHE-75 or TPEHT-94 are 15%.
The method of the above-mentioned integral polypropylene septum filter plate of preparation provided by the invention the steps include:
The first step: prepare membrane filter plate main body central layer and membrane filter plate diaphragm respectively
1) preparation of membrane filter plate main body central layer:
Formula rate by membrane filter plate main body central layer stirs, remove moisture, extrude under 220-260 ℃ with plastic extruder, insert taking-up in dull and stereotyped moulding press 1-2 hour, cooling was shunk 2-3 hour, put into the typing of filter plate forming machine and take out after 30-40 hour, with mechanical processing method membrane filter plate main body central layer two sides is processed, to guarantee the flatness on its two sides;
2) preparation of membrane filter plate diaphragm:
Formula rate by the membrane filter plate diaphragm stirs, remove moisture, extrude under 220-260 ℃ with plastic extruder, insert taking-up in dull and stereotyped moulding press 1-1.5 hour, cooling was shunk 2-3 hour, put into the typing of filter plate forming machine and take out after 30-40 hour, with mechanical processing method the one side of membrane filter plate diaphragm and the applying of membrane filter plate main body chip is processed, to guarantee its flatness;
Second step: membrane filter plate main body central layer and membrane filter plate diaphragm are installed in combination
When two membrane filter plate diaphragms are heated to fusing with the one side of the one side of its processing and membrane filter plate main body central layer respectively, heat bonding is carried out on the two sides, cooling metacneme filter plate main body central layer and membrane filter plate diaphragm form one, integral polypropylene septum filter plate.
Described preparation method, wherein, dull and stereotyped moulding press is a hydraulic flat vulcanizing mold press.
Described preparation method, wherein, the pressure of dull and stereotyped moulding press is 10,000-13,000K newton.
Higher-strength and this characteristic point of higher toughness that the present invention utilizes polypropylene RA130E-8427, polypropylene RA-7050 and polypropylene BE50-7032 to have respectively, select proper proportion to prepare integral polypropylene septum filter plate, its compression strength is big, fatigue durability is strong, and the preparation method is simple, easily operation.
The specific embodiment
Below elaborate for an embodiment.
Embodiment 1
Take by weighing the raw material of membrane filter plate main body central layer: polypropylene-T30S (abbreviating T30S as) 62%, polypropylene RA130E-8427 (abbreviating RA130E as) 20%, glass fibre 15%, Masterbatch K-PP-ash-101 (abbreviating Masterbatch as) 3% by weight percentage, mix, be referred to as the A raw material.
Take by weighing the raw material of membrane filter plate diaphragm: RA130E 23%, RA-705026%, polypropylene BE50-7032 (being called for short BE50) 36% by weight percentage; Excellent energy glue TPEHT-94 (being called for short HT-94) 15% mixes, and is referred to as the B raw material.
In the above-mentioned raw materials:
Masterbatch is the color that is used to adjust membrane filter plate main body central layer, if consumption is big, its color of membrane filter plate main body central layer of then preparing is dark, otherwise of light color, so the membrane filter plate main body central layer color that its consumption can be as required and taking by weighing.
The Masterbatch K-PP-ash-101 that the present invention adopts and polypropylene-T30S are the commercial prod that Beijing Yanshan Petrochemical Company produces.
Polypropylene RA130E-8427, the polypropylene RA-7050 that the present invention adopts is or/and polypropylene BE50-7032 and excellent energy glue be the commercially produced product that Denmark " Northern Europe company " produces.
It can glue be the commercial prod that Taiwan and safe enterprise group produce that the present invention adopts excellent.
The A raw material is put into CZ-250 type stirring drier, purpose is it is stirred and to remove moisture in the raw material, in case bubble occurs after melting, enter plastic extruder through behind the automatic stirring and drying, enter incubator in 220-260 ℃ after raw material melted, insert hydraulic flat vulcanizing mold press from incubator by the machining blanks quality taking-up of membrane filter plate main body central layer, in 12, pressurize is 1 hour under 000KN (newton) pressure, taking-up is placed on the smooth cement flooring lowers the temperature, after putting into the filter plate forming machine after 2 hours again and compressing, the operation that changes down road machining over to is taken out in typing in 36 hours.Optional equipment CNC3190 machining center carries out machining to membrane filter plate main body central layer, and membrane filter plate main body central layer is fixed on the workbench, and it two-sidedly is machined to qualified flatness.
The B raw material is put into CZ-250 type stirring drier, purpose is it is stirred and to remove moisture in the raw material, in case bubble occurs after melting, enter plastic extruder through behind the automatic stirring and drying, enter incubator in 220-260 ℃ after raw material melted, insert hydraulic pressure mold pressing vulcanizer from incubator by the machining blanks quality taking-up of membrane filter plate film jin, according to the selected molded vulcanization machine of the size of membrane filter plate diaphragm, be incubated after 50 minutes, taking-up is placed on the smooth cement flooring lowers the temperature, after putting into the filter plate forming machine after 2 hours again and compressing, the operation that changes down road machining over to is taken out in typing in 36 hours.Selection equipment CNC3190 machining center carries out single face machining to the membrane filter plate diaphragm, and it is machined to qualified flatness, and this machined surface promptly is that the step is carried out heat bonding usefulness with membrane filter plate main body central layer down.
The membrane filter plate diaphragm that machining is intact is fixed on the workbench lower end of plastically welding heat-sealing machine, barrier film filter arc main body central layer is fixed on the workbench upper end, the gap is left in the centre, can place heating plate for portable, when being heated to the two sides when all dissolving for 2 millimeters of the degree of depth, heating plate withdraws from automatically, patrix falls and is pressed on counterdie, cooling in about 30 minutes, another sheet membrane filter plate diaphragm of heat bonding again that overturns compresses taking-up in 40 minutes by this technology.
Change processing integrated septum filter plate intact, that appearance test is qualified over to the hydraulic pressure testing machine, carry out bulge test, confirm the pressure of hydraulic press to guarantee 1.25 times safety coefficient according to the size of filter plate.As filter plate squeeze pressure 1.6MPa, test pressure should be 2.2MPa, and 5 minutes fault-free of pressurize are certified products.
Embodiment 2
A proportion of raw materials: T30S is 58%, and RA130E is 22%, glass fibre is 18%, Masterbatch 2%.All the other conditions and operating procedure are with embodiment 1.
Embodiment 3
A proportion of raw materials: T30S is 66%, and RA130E is 18%, glass fibre is 12%, and Masterbatch is 4%.All the other conditions and operating procedure are with embodiment 1.
Embodiment 4
B proportion of raw materials: RA130E is 10%, and RA-7050 is 77%, and TPEHT-94 is 13%.All the other conditions and operating procedure are with embodiment 1.
Embodiment 5
B proportion of raw materials: RA130E is 84%, and TPEHT-94 is 16%.All the other conditions and operating procedure are with embodiment 1.
Embodiment 6
B proportion of raw materials: BE50-7032 is 80%, and RA-7050 is 7%, and TPEHE-75 is 13%.All the other conditions and operating procedure are with embodiment 4.
Embodiment 7
B proportion of raw materials: RA-7050 is 87%.All the other conditions and operating procedure are with embodiment 4.
Embodiment 8
B proportion of raw materials: BE50-7032 is 87%.All the other conditions and operating procedure are with embodiment 4.
Need to prove at this, the plant equipment that the present invention adopts is known technology, and in conjunction with description of the invention, those skilled in the art can understand at an easy rate and imagine and employed plant equipment, so the present invention is not described in detail the plant equipment of using, and does not recommend accompanying drawing yet.
Claims (5)
1, a kind of integral polypropylene septum filter plate is made up of membrane filter plate main body central layer and membrane filter plate diaphragm two parts, and this two-part composition is polypropylene material, wherein:
The composition of membrane filter plate main body central layer is the percentage meter by weight:
Polypropylene-T30S is 58-66%; Polypropylene RA130E-8427 is 18-22%; Glass fibre is 12-18%; Masterbatch K-PP-ash-101 is 2-4%;
The composition of membrane filter plate diaphragm is the percentage meter by weight:
Polypropylene RA130E-8427, polypropylene RA-7050 are or/and polypropylene BE50-7032 is 84-87%; Excellent energy glue TPEHE-75 or TPEHT-94 are 13-16%.
2, integral polypropylene septum filter plate as claimed in claim 1, wherein:
The composition of membrane filter plate main body central layer is the percentage meter by weight:
Polypropylene-T30S is 62%; Polypropylene RA130E is 20%; Glass fibre is 15%; Masterbatch K-PP-ash-101 is 3%;
The composition of membrane filter plate diaphragm is the percentage meter by weight:
Polypropylene-RA130E, polypropylene RA7050 are or/and polypropylene BE50-7032 is 85%; Excellent energy glue TPEHE-75 or TPEHT-94 are 15%.
3, a kind of method for preparing the described integral polypropylene septum filter plate of claim 1 the steps include:
The first step: prepare membrane filter plate main body central layer and membrane filter plate diaphragm respectively
1) preparation of membrane filter plate main body central layer:
Formula rate by membrane filter plate main body central layer stirs, remove moisture, extrude under 220-260 ℃ with plastic extruder, insert taking-up in dull and stereotyped moulding press 1-2 hour, cooling was shunk 2-3 hour, put into the typing of filter plate forming machine and take out after 30-40 hour, with mechanical processing method membrane filter plate main body central layer two sides is processed, to guarantee the flatness on its two sides;
2) preparation of membrane filter plate diaphragm:
Formula rate by the membrane filter plate diaphragm stirs, remove moisture, extrude under 220-260 ℃ with plastic extruder, insert taking-up in dull and stereotyped moulding press 1-1.5 hour, cooling was shunk 2-3 hour, put into the typing of filter plate forming machine and take out after 30-40 hour, with mechanical processing method the one side of membrane filter plate diaphragm and the applying of membrane filter plate main body chip is processed, to guarantee its flatness;
Second step: membrane filter plate main body central layer and membrane filter plate diaphragm are installed in combination
When two membrane filter plate diaphragms are heated to fusing with the one side of the one side of its processing and membrane filter plate main body central layer respectively, heat bonding is carried out on the two sides, cooling metacneme filter plate main body central layer and membrane filter plate diaphragm form one, integral polypropylene septum filter plate.
4, preparation method as claimed in claim 3, wherein, dull and stereotyped moulding press is a hydraulic flat vulcanizing mold press.
5, as claim 3 or 4 described preparation methods, wherein, the pressure of dull and stereotyped moulding press is 10,000-13,000K newton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101117357A CN100431658C (en) | 2006-08-25 | 2006-08-25 | Integral polypropylene septum filter plate and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101117357A CN100431658C (en) | 2006-08-25 | 2006-08-25 | Integral polypropylene septum filter plate and preparation process thereof |
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| Publication Number | Publication Date |
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| CN1919406A true CN1919406A (en) | 2007-02-28 |
| CN100431658C CN100431658C (en) | 2008-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006101117357A Active CN100431658C (en) | 2006-08-25 | 2006-08-25 | Integral polypropylene septum filter plate and preparation process thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101810954B (en) * | 2009-12-29 | 2012-07-18 | 杭州兴源过滤科技股份有限公司 | Diaphragm with functions of heating and melting and preparation method thereof |
| CN102816383A (en) * | 2012-08-07 | 2012-12-12 | 杭州绿鼎压滤机制造有限公司 | High temperature and pressure resistant filter plate of filter press |
| CN104231443A (en) * | 2014-10-14 | 2014-12-24 | 景津环保股份有限公司 | High temperature resistant polypropylene filter plate and preparation method thereof |
| CN107841036A (en) * | 2016-09-19 | 2018-03-27 | 中国石油化工股份有限公司 | A kind of polypropene composition and polypropylene material and its application |
| CN108704383A (en) * | 2018-05-22 | 2018-10-26 | 埃柯赛环境科技（贵州）股份有限公司 | A kind of polyethylene diagrams filter plate and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2031306U (en) * | 1988-05-31 | 1989-01-25 | 朱兴源 | Filting plate for filter press |
| US5672272A (en) * | 1995-05-12 | 1997-09-30 | Baer; William F. | Unitary plastic filter plate including expandable skins and plastic foam core |
| JP2000279709A (en) * | 1999-03-26 | 2000-10-10 | Mitsubishi Plastics Ind Ltd | Diaphragm for filter press |
-
2006
- 2006-08-25 CN CNB2006101117357A patent/CN100431658C/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101810954B (en) * | 2009-12-29 | 2012-07-18 | 杭州兴源过滤科技股份有限公司 | Diaphragm with functions of heating and melting and preparation method thereof |
| CN102816383A (en) * | 2012-08-07 | 2012-12-12 | 杭州绿鼎压滤机制造有限公司 | High temperature and pressure resistant filter plate of filter press |
| CN102816383B (en) * | 2012-08-07 | 2016-04-20 | 杭州绿鼎压滤机制造有限公司 | A kind of filter press filter board of high-temperature-resistant high-pressure-resistant |
| CN104231443A (en) * | 2014-10-14 | 2014-12-24 | 景津环保股份有限公司 | High temperature resistant polypropylene filter plate and preparation method thereof |
| CN107841036A (en) * | 2016-09-19 | 2018-03-27 | 中国石油化工股份有限公司 | A kind of polypropene composition and polypropylene material and its application |
| CN108704383A (en) * | 2018-05-22 | 2018-10-26 | 埃柯赛环境科技（贵州）股份有限公司 | A kind of polyethylene diagrams filter plate and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN100431658C (en) | 2008-11-12 |
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Owner name: SHANDONG JINGJIN ENVIRONMENTAL PROTECTION EQUIPMEN Free format text: FORMER OWNER: JINGJIN FILTER PRESS GROUP CO.,LTD Effective date: 20110802 |
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Effective date of registration: 20110802 Address after: 253034 Shandong province Dezhou Jinghua Road Economic Development Zone Shandong Jingjin environmental protection equipment Co. Patentee after: Shandong Jingjin Environmental Protection Equipment Co., Ltd. Address before: Jinghua North Dezhou Economic Development Zone in Shandong Province, the first 253034 Patentee before: Jingjin Filter Press Group Co.,Ltd |
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Owner name: JINGJIN ENVIRONMENTAL PROTECTION INC. Free format text: FORMER NAME: SHANDONG JINGJIN ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. |
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Address after: 253034 Shandong province Dezhou Jinghua Road Economic Development Zone Jingjin group Patentee after: Jingjin Environmental Protection Inc. Address before: 253034 Shandong province Dezhou Jinghua Road Economic Development Zone Shandong Jingjin environmental protection equipment Co. Patentee before: Shandong Jingjin Environmental Protection Equipment Co., Ltd. |
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Address after: 253034 Shandong province Dezhou Jinghua Road Economic Development Zone Jingjin group Patentee after: Jingjin Equipment Co.,Ltd. Address before: 253034 Shandong province Dezhou Jinghua Road Economic Development Zone Jingjin group Patentee before: Jing Jin Environmental Protection Inc. |
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