CN101596377A - Ultra-fine foreign material filter - Google Patents
Ultra-fine foreign material filter Download PDFInfo
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- CN101596377A CN101596377A CNA2009100320028A CN200910032002A CN101596377A CN 101596377 A CN101596377 A CN 101596377A CN A2009100320028 A CNA2009100320028 A CN A2009100320028A CN 200910032002 A CN200910032002 A CN 200910032002A CN 101596377 A CN101596377 A CN 101596377A
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Abstract
A kind of ultra-fine foreign material filter belongs to the liquid filter technical field.Comprise that one constitutes the staving of heating jacket; One is configured in the upper cover on staving top, and upper cover constitutes an insulation jacket, and insulation jacket communicates with heating jacket; One filter element device is hung in the staving cavity volume of staving; One is configured in the following capping of staving bottom, has capping insulation jacket, communicates with heating jacket, covers in lower seal and is provided with filtrate outlet and heating agent introducing interface; One cascade filtration device is clamped between the lower edge of capping down and staving; One first sealed fixing device that constitutes by first sealing ring and first securing member; One second sealed fixing device that is made of second sealing ring and second securing member, characteristics are that first, second sealing ring is the packaging type seal washer with first U-shaped chamber.Advantage: have desirable filter effect, avoid sepage to lose heart and help protection equipment, prevent contaminated environment.
Description
Technical field
The invention belongs to the liquid filter technical field, be specifically related to a kind of ultra-fine foreign material filter, be used for the ultra-fine foreign material of filtering liquid material.
Background technology
Require extremely harsh for example liquid Pyromellitic Acid (the Pyromellitic Acid of liquid material for some foreign matter, PMA abridges) and pyromellitic acid anhydride (Pyromellitic Dianhydride, the filtration of the foreign matter abbreviation PMDA) must be used ultra tiny strange land thing filter, this is because PMA and PMDA product finally are used to make high-end electron level Kapton, the electron level Kapton is thin more, requires strict more to the foreign matter among PMA and the PMDA so.At present, external the thickness of Kapton is worked into 1～1.5 μ m, and has required the foreign matter quantity of PMA and PMDA to satisfy following requirement: under 40 times magnifying glass, detected the number of the ultra-fine foreign material in the material＜0.15/mm
2So, require filtering accuracy to reach 0.01～0.1 μ m.The requirement of making the industrial chemicals that high-end product uses for other conduct as mentioned above, the applicant no longer one at one stroke and.
By above-mentioned explanation as can be known, common foreign body filter is can't satisfy aforesaid filtration to ultra-fine foreign material to require, for example use the background technology of Chinese invention patent application publication number CN101269280A (foreign body filter＜the applicant application 〉) pass the imperial examinations at the provincial level and foreign body filter only can be with the trickle foreign matter filtering more than the 0.5 μ m in the liquid material.In view of this, CN101269280A has made improvement to foreign body filter, Fig. 2 of capable and this patent application of the Instructions Page 2 17-25 of concrete visible this patent application, and the technique effect of the technical scheme of this patent application is by the capable record of its Instructions Page 3 20-24.
But, there is the shortcoming of seal aspect in the technical scheme of CN101269280A, 5 page of second row of the 4th page of last column to the of its specification claims: after treating that the setting of filter element device is finished, add sealing ring again, the combination that adds fastener with fastener such as bolt connects upper cover and staving, and flange and first, second flange folder that will support basket simultaneously are hung between the mating surface of upper cover and staving.And then as can be known from the structure of the enforcement illustration (Fig. 2) of this patent signal, sealing ring is the lamellar seal circle of ring-type, yet, because the particularity (volatile organic acid solvent) of the solvent in PMA, the PMDA production technology and temperature are up to more than 120 ℃, thereby in filter process, solvent oozes out from filter medium, not only causes equipment corrosion and contaminated environment, and is unfavorable for the workers'health in operation place.Although therefore CN101269280A can satisfy the filtration requirement to ultra-fine foreign material, filtering accuracy reaches 0.01～0.1 μ m level, still has improved necessity for sealing.
Summary of the invention
Task of the present invention is to provide a kind of both to have been had desirable filter effect and had used the ultra tiny filtration requirement of satisfying the liquid towards material, had good sealing effectiveness again and used and avoid fluid seepage and gas to release the ultra-fine foreign material filter of the equipment of influence, contaminated environment.
Task of the present invention is finished like this, and a kind of ultra-fine foreign material filter comprises that one constitutes the staving of heating jacket; One is that be configured in staving top and have the upper cover that charging aperture and heating agent are drawn interface, and upper cover constitutes an insulation jacket, and insulation jacket communicated with described heating jacket by communicating pipe; One filter element device is hung in the staving cavity volume of described staving; One is configured in the following capping of staving bottom, following capping has capping insulation jacket, this time capping insulation jacket communicates with described heating jacket by junction pipe, and covers the heating agent introducing interface that is provided with the filtrate outlet and is used for heating agent is incorporated into described capping insulation jacket down in lower seal; One be located at described staving the staving cavity volume the bottom and with the corresponding cascade filtration device of described filter element device, this cascade filtration device is clamped between the lower edge of described down capping and staving; One is used for first sealed fixing device with the upper edge sealing and fixing of described upper cover and described staving by what first sealing ring and first securing member constituted; One by second sealing ring and second securing member being used for of constituting, second sealed fixing device with the lower edge sealing and fixing of described capping down and staving, be characterised in that: described first sealing ring is the packaging type seal washer with first U-shaped chamber, and described second sealing ring is similarly the packaging type seal washer with first U-shaped chamber.
In a specific embodiment of the present invention, described filter element device comprises support basket and first, second filter bag, first filter bag places and supports in the basket, and second filter bag is placed in first filter bag, the top expansion of supporting basket has been set as a flange, the top of first filter bag constitutes one first flange, and the top of second filter bag constitutes one second flange, first, second flange and described first flange coincide and jointly are placed in the first U-shaped chamber of described first sealing ring, are seized on both sides by the arms between the mating surface of described upper cover and staving by described first securing member.
In another specific embodiment of the present invention, described first filter bag is the felt filter bag that adopts polyster fibre to form through needing machine acupuncture.
In another specific embodiment of the present invention, described second filter bag is the terylene cloth bag.
In another specific embodiment of the present invention, the thickness of described felt filter bag is 2mm, and density is 0.25g/cm
3
Go back in the specific embodiment of the present invention, described terylene cloth bag is a long filament terylene cloth bag.
More of the present invention and in specific embodiment, described two utmost point filters comprise first, second woven dacron and the filter core that three's from top to down stacks together, wherein, filter core is between first, second woven dacron, and the edge of first, second woven dacron and filter core jointly is placed in the second U-shaped chamber of described second sealing ring and by described second securing member and seizes on both sides by the arms between the mating surface of described capping down and described staving.
In of the present invention and then specific embodiment, describedly also be provided with a sieve plate in the capping down.
Of the present invention again more and in specific embodiment, described first, second woven dacron is the long filament woven dacron, described filter core is the thick compound probability filter paper of 0.2mm.
In again of the present invention and then specific embodiment, described heating agent is steam or conduction oil.
Technical scheme provided by the present invention has remedied the shortcoming of the foreign body filter in the prior art; both had desirable filter effect and satisfied the ultra tiny filtration requirement of the foreign matter of 0.01～0.1 μ m in the liquid towards material, and avoided sepage to lose heart helping protection equipment because of first, second sealing ring plays desirable sealing effectiveness again, prevent contaminated environment.
Description of drawings
Accompanying drawing is the cutaway view of ultra-fine foreign material filter of the present invention.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the present invention program, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Ask for an interview accompanying drawing, provided the cylindrical circular staving 1 of shape, this staving 1 constitutes heating jacket 12, so that by being incorporated into heating agent in the heating jacket 12 such as steam or conduction oil to for example aforesaid PMA of the liquid material in the staving cavity volume 11 or PMDA (as follows) heating, prevent that the liquid material temperature is lower than fusing point and solidifies, it is solid-state to prevent that promptly material from being become by liquid state.The top of staving 1 is furnished with upper cover 2, between the upper cover edge 24 that is flange-like of upper cover 2 and the staving upper edge 13 (being flange-like) of staving 1 by following first sealing device, 4 sealing and fixing that also will describe in detail.Centre at upper cover 2 offers the charging aperture 22 that is used for liquid material is incorporated into 3 filtrations of staving cavity volume 11 confession filter element devices, and the inclined to one side sidepiece at upper cover 2 offers a heating agent outlet 23, is used for the heating agent of insulation jacket 21 such as steam or conduction oil (as follows) are drawn.Insulation jacket 21 is connected with upper cover 2 by an end and the other end is connected with staving 1 communicates with heating jacket 12 communicating pipe 211, communicating pipe 211 realized with being communicated with by a pair of connector 2111 (being adpting flange) of insulation jacket 21 and heating jacket 12, hence one can see that, played the transitional function that connects between insulation jacket 21 and the heating jacket 12 communicating pipe 211.
Still see accompanying drawing, the bottom of staving 1 disposes down capping 5, offer in the centre of down capping 5 and to be used for the filtrate outlet 52 of drawing through the liquid material after filtering, and the inclined to one side sidepiece in capping 5 down offers heating agent introducing interface 53, is used for heating agent is incorporated into down the following capping insulation jacket 51 of capping 5.Be shelved with a sieve plate 7 in the capping 5 down, be used for supporting or claiming holding filter 6.Following capping insulation jacket 51 is connected with following capping 5 by an end and junction pipe 511 that the other end is connected with staving 1 communicates with heating jacket 12, and junction pipe 511 was realized with being communicated with by a pair of connector 5111 (being ring flange) of insulation jacket 12.As seen, junction pipe 511 has played and has connected the function served as bridge that communicates between the capping insulation jacket 51 and heating jacket 12 down.Preferred scheme is aforesaid communicating pipe 211 to be the diagonal angle with junction pipe 511 relation is set.
Continue to see accompanying drawing, preferred cascade filtration device 6 is made up of three's first woven dacron 61, filter core 63 and second woven dacron 62 together stacked on top of each other, wherein, filter core 63 is between first, second woven dacron 61,62, first, second woven dacron 61,62 is the long filament woven dacron, by first, second woven dacron 61,62 filter core is held under the arm and to be protected or claim care, prevent that filter core 63 is out of shape because of the impact that meet with to reach liquid material and even causes damage.Filter core 63 is a compound probability filter paper.Because second sealing ring 81 of second sealed fixing device 8 that the present invention recommends is that the material with second U-shaped chamber is the packaging type seal washer of silicon rubber, therefore aforesaid first, second woven dacron 61,62 that overlaps each other and the edge of filter core 63 are contained in the second U-shaped chamber 81, can stop the gap seepage material between the three or the phenomenon of gas.Owing to constitute the staving lower edge 14 of flange-like in the bottom of staving 1, and the following capping edge 54 that in following capping 5, constitutes a flange-like, therefore by second securing member 82 of second sealed fixing device 8 of the present invention second sealing ring 81 is seized on both sides by the arms between capping edge 54 down and the staving lower edge 14, that is to say by second sealing ring 81 and take aforesaid first, second woven dacron 61,62 and be positioned between time capping edge 54 and the staving lower edge 14 at the filter core 63 between first, second woven dacron 61,62.The technique effect that second fastener 8 is produced is identical with first fastener 4.
The applicant narrates use of the present invention, with the example that is filtered into to the liquid material of PMDA, the steam of pressure≤0.4MPa is introduced interface 53 from heating agent to be incorporated into down the capping insulation jacket 51, enter heating jacket 12 through junction pipe 511, enter insulation jacket 21 through communicating pipe 211 again, until drawing, the circulation of staving cavity volume 11 is heated thereby constitute by heating agent outlet 23.With 1m
3Crude product PMDA60Kg, the dehydrating agent 0.5m of concentration 40% in the reactor
3With pulverous active carbon 3Kg the liquid material of 120 ℃ of reactions behind the 1.5h under the state of control flow while hot the charging aperture 22 from upper cover 2 introduce staving cavity volumes 11, under negative pressure, take the lead in filtering by filter element device 3, liquid material after the filtration filters and draws from the filtrate outlet 52 of capping 5 down through cascade filtration device 6 again, the filtrate of drawing is to obtain crystal after filtrate process crystallisation by cooling, the filtration (filtering crystalline mother solution), oven dry again, the PMDA product 48.5Kg that obtains making with extra care, yield 80.83%.Product analysis is detected, purity 99.48%, sampling, with 40 times of (multiplication factor) microscopic examinations, the 0.07/mm of 0.01～0.1 μ m ultra-fine foreign material content in the product
2Therefore, not ccontaining doubt adopts the quality of the material that ultra-fine foreign material filter of the present invention filters can satisfy the desired technical indicator of raw material that is applied to produce high-end electronic product, i.e. ultra-fine foreign material number≤0.15/mm
2After use after a while, can be to first, second filter bag 32,33 replacings of filter element device 3 and to cascade filtration device 6 integral replacings.
The applicant adopts apparatus of the present invention (under confidential state) when the liquid towards material filtering, the phenomenon of not finding that material oozes out or gas covers, therefore to be the structure of first, second sealing ring 41,81 of silicon rubber be very good to the material of first, second sealed fixing device 4,8 provided by the invention, and effect is very significant.
Claims (10)
1, a kind of ultra-fine foreign material filter comprises that one constitutes the staving (1) of heating jacket (12); One is that be configured in staving (1) top and have a upper cover (2) that charging aperture (22) and heating agent are drawn interface (23), upper cover (2) constitutes an insulation jacket (21), and insulation jacket (21) communicated with described heating jacket (12) by communicating pipe (211); One filter element device (3) is hung in the staving cavity volume (11) of described staving (1); One is configured in the following capping (5) of staving (1) bottom, following capping (5) has capping insulation jacket (51), this time capping insulation jacket (51) communicates with described heating jacket (12) by junction pipe (511), and is descending the heating agent introducing interface (53) that is provided with filtrate outlet (52) in the capping (5) and is used for heating agent is incorporated into described capping insulation jacket (51) down; One be located at described staving (1) staving cavity volume (11) the bottom and with the corresponding cascade filtration device of described filter element device (3) (6), this cascade filtration device (6) is clamped between the lower edge of described down capping (5) and staving (1); One by being used for first sealed fixing device (4) of described upper cover (2) with the upper edge sealing and fixing of described staving (1) that first sealing ring (41) and first securing member (42) constitute; One by being used for second sealed fixing device (8) of described capping (5) down with the lower edge sealing and fixing of staving (1) that second sealing ring (81) and second securing member (82) constitute, be characterised in that: described first sealing ring (41) is the packaging type seal washer with first U-shaped chamber (411), and described second sealing ring (81) is similarly the packaging type seal washer with first U-shaped chamber (811).
2, ultra-fine foreign material filter according to claim 1, it is characterized in that described filter element device (3) comprises support basket (31) and first, second filter bag (32,33), first filter bag places and supports in the basket (31), and second filter bag (33) is placed in first filter bag (32), the top expansion of supporting basket (31) has been set as a flange (311), the top of first filter bag (32) constitutes one first flange (321), and the top of second filter bag (33) constitutes one second flange (331), first, second flange (321,331) coincide and jointly be placed in the first U-shaped chamber (411) of described first sealing ring (41) with described first flange (311), seize on both sides by the arms between the mating surface of described upper cover (2) and staving (1) by described first securing member (42).
3, ultra-fine foreign material filter according to claim 2 is characterized in that described first filter bag (32) is the felt filter bag that adopts polyster fibre to form through needing machine acupuncture.
4, ultra-fine foreign material filter according to claim 2 is characterized in that described second filter bag (33) is the terylene cloth bag.
5, ultra-fine foreign material filter according to claim 3, the thickness that it is characterized in that described felt filter bag is 2mm, density is 0.25g/cm
3
6, ultra-fine foreign material filter according to claim 4 is characterized in that described terylene cloth bag is a long filament terylene cloth bag.
7, ultra-fine foreign material filter according to claim 1, it is characterized in that described two utmost point filters (6) comprise that three's from top to down stacks together first, second woven dacron (61,62) and filter core (63), wherein, filter core (63) is positioned at first, second woven dacron (61,62) between, first, second woven dacron (61,62) and the edge of filter core (63) jointly be placed in the second U-shaped chamber (811) of described second sealing ring (81) and and seize on both sides by the arms between the mating surface of described capping (5) down and described staving (1) by described second securing member (82).
8, ultra-fine foreign material filter according to claim 7 is characterized in that also being provided with a sieve plate (7) in the described following capping (5).
9, ultra-fine foreign material filter according to claim 7 is characterized in that described first, second woven dacron (61,62) is the long filament woven dacron, and described filter core is the thick compound probability filter paper of 0.2mm.
10, ultra-fine foreign material filter according to claim 1 is characterized in that described heating agent is steam or conduction oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100320028A CN101596377A (en) | 2009-06-16 | 2009-06-16 | Ultra-fine foreign material filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100320028A CN101596377A (en) | 2009-06-16 | 2009-06-16 | Ultra-fine foreign material filter |
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| Publication Number | Publication Date |
|---|---|
| CN101596377A true CN101596377A (en) | 2009-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100320028A Pending CN101596377A (en) | 2009-06-16 | 2009-06-16 | Ultra-fine foreign material filter |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102008844A (en) * | 2010-08-11 | 2011-04-13 | 张晓荣 | Heating type fuel filter |
| CN102728132A (en) * | 2012-07-24 | 2012-10-17 | 周奇迪 | Water purifying device |
| CN103157323A (en) * | 2013-03-28 | 2013-06-19 | 深圳市超康科技有限公司 | Water purifier with waterproof ring |
| CN103394229A (en) * | 2013-08-13 | 2013-11-20 | 山东铂源药业有限公司 | Diaphragm filter for refining oxaliplatin |
| CN104096395A (en) * | 2014-07-30 | 2014-10-15 | 广西众昌树脂有限公司 | Rosin filtering device |
| CN109289314A (en) * | 2018-11-05 | 2019-02-01 | 安庆市睿霞机械有限公司 | A kind of production lubricating oil filter device |
| CN109695975A (en) * | 2017-10-20 | 2019-04-30 | 浙江三花智能控制股份有限公司 | Device for drying and filtering and its dry filter composite structure |
-
2009
- 2009-06-16 CN CNA2009100320028A patent/CN101596377A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102008844A (en) * | 2010-08-11 | 2011-04-13 | 张晓荣 | Heating type fuel filter |
| CN102728132A (en) * | 2012-07-24 | 2012-10-17 | 周奇迪 | Water purifying device |
| CN102728132B (en) * | 2012-07-24 | 2014-11-05 | 奇迪电器集团有限公司 | Water purifying device |
| CN103157323A (en) * | 2013-03-28 | 2013-06-19 | 深圳市超康科技有限公司 | Water purifier with waterproof ring |
| CN103157323B (en) * | 2013-03-28 | 2015-01-28 | 深圳市超康科技有限公司 | Water purifier with waterproof ring |
| CN103394229A (en) * | 2013-08-13 | 2013-11-20 | 山东铂源药业有限公司 | Diaphragm filter for refining oxaliplatin |
| CN104096395A (en) * | 2014-07-30 | 2014-10-15 | 广西众昌树脂有限公司 | Rosin filtering device |
| CN109695975A (en) * | 2017-10-20 | 2019-04-30 | 浙江三花智能控制股份有限公司 | Device for drying and filtering and its dry filter composite structure |
| CN109695975B (en) * | 2017-10-20 | 2021-06-25 | 浙江三花智能控制股份有限公司 | Drying filter and drying and filtering combined structure thereof |
| CN109289314A (en) * | 2018-11-05 | 2019-02-01 | 安庆市睿霞机械有限公司 | A kind of production lubricating oil filter device |
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Open date: 20091209 |