CN2291187Y - Porous perforated-plate filter - Google Patents
Porous perforated-plate filter Download PDFInfo
- Publication number
- CN2291187Y CN2291187Y CN 97215921 CN97215921U CN2291187Y CN 2291187 Y CN2291187 Y CN 2291187Y CN 97215921 CN97215921 CN 97215921 CN 97215921 U CN97215921 U CN 97215921U CN 2291187 Y CN2291187 Y CN 2291187Y
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- filter
- seal
- multiaperture
- filter element
- flange
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Abstract
The utility model relates to a filter for liquid and gas. The utility model is mainly composed of a filtering unit, a sealing member and a fastening member, wherein, the filtering unit comprises a porous filtering plate, a flow separating ring and an isolating ring which forms a circular ring shape; the flow separating ring, and the upper and the lower ends of the isolating ring or one end of the upper and the lower ends are provided with connecting rings; the filtering unit is assembled into a whole at the periphery of the filtering unit by the fastening member; the sealing member is arranged between the filtering unit and the fastening member. The utility model has the advantages of simple structure, good tightness, long service life, small pressure difference in filtering process and high filtering precision, and is suitable for filtering different liquid or gas in the fields of pharmacy, beverage, chemical industry, environmental protection, metallurgy, etc.
Description
The utility model is a kind of filter that is applicable to liquid or gas.
At present, common liquid or pneumatic filter mainly contain board-like and two kinds of tubular filters.Tubular filter adopts tubular filtering medium, its complex structure, and compressive resistance is low, the cost height, volume is big.Leaf filter adopts board-like filter medium to be supported on the supporting material that has countless apertures, form one and filter unit, by connector the multiple filtration unit combination is become the leaf filter of sandwich construction again, side at filter element is established import, feed liquid or gas to be filtered, the outlet of leading to opposite side by the multiple filtration unit reaches the purpose of purification filtering.Obviously, this filtration device structure complexity, volume is big, and import and export are located at both sides, and not only pressure reduction is big, and installs and uses many inconvenience.The leaf filter that existing a kind of volume is little mainly is made up of filter element, seal and securing member, filter element reaches the flow splitter and the shading ring that cooperate with import and export by the porous filter plate that has import and export and forms, filter element can have one or more as required, between filter element and securing member, be equipped with seal in case leakage fluid, gas are assembled into one it with securing member in the periphery of filter element.Advantages such as pressure reduction is little though the filter of this structure has, resistance to pressure is good, because the upper and lower end face of flow splitter and shading ring contact sealing with the filter face, so higher to the requirement on machining accuracy of the part of composition filter; When mounted because flow splitter is a semi-loop, thus flow splitter to bear pressure big than shading ring, and unbalance stress produces distortion, opening strengthens, so the installation requirement height; The yielding damage filter of flow splitter in use influences the precision and the service life of filter.
The purpose of this utility model is a kind of multiaperture-type filter of design, and it is simple in structure, be easy to install, and good airproof performance, the filtering accuracy height, the compressive resistance height, not fragile, long service life.
The designed multiaperture-type filter of the utility model is mainly by filter element, seal and securing member are formed, filter element is by having into, the porous filter plate of outlet reaches and advances, flow splitter that outlet cooperates and shading ring are formed, filter element can have one or more as required, periphery at filter element is assembled into one it with securing member, be equipped with seal between filter element and the securing member, designed flow splitter is circular, its sidewall has plural tap hole, on it, the lower end or wherein an end have connecting ring, the advancing of the external diameter of connecting ring and porous filter plate, the outlet aperture is consistent; The upper and lower end of designed shading ring or wherein an end have connecting ring, the external diameter of connecting ring is consistent with the import and export aperture of porous filter plate.
For playing the effect of seal isolation, equalizing pressure effectively, have annular groove on the end face of the shading ring in the designed multiaperture-type filter of the utility model.
Porous filter plate in the designed multiaperture-type filter of the utility model can be plastics filter, ceramic filter plate or metal composite filter, and it is shaped as ellipse, circle, square or polygon.
Used metal composite filter is the two-layer compound POROUS TITANIUM PLATE in the designed multiaperture-type filter of the utility model, to improve filtering accuracy, reduces resistance.
In the designed multiaperture-type filter of the utility model, take embedded structure between the seal in the filtration of forming by an above filter element, promptly a seal end face has groove, have projection on the end face of the seal that another is in contact with it, projection embeds in the groove, to strengthen the sealing property of seal seam crossing.
The securing member of the multiaperture-type filter that the utility model is designed by shell, and shell flange connecting, shell and flange between seal form, shell and flange tighten together, filter element in the shell and seal are compressed, seal, and the import and export pipe is connected with flange.
The securing member of the multiaperture-type filter that the utility model is designed also can be made up of upper and lower flange and screw rod, nut, upper and lower flange is fastening by screw rod, nut, to compress, seal at filter element between the upper and lower flange and seal, the import and export pipe be connected with lower flange.
The securing member of the multiaperture-type filter that the utility model is designed also can be by the lower flange of band vertical rod, can form along the fixing bracing frame of the upper and lower mobile top board of vertical rod, vertical rod top or bar and with the screw thread depression bar of bracing frame or bar threaded engagement, act on top board by the screw thread depression bar filter element between top board and the lower flange and seal are compressed, seal, import and export pipe and be connected with lower flange.
The designed multiaperture-type filter of the utility model is when using, from inlet tube feed liquor or gas, liquid that flows into or gas enter in the filter chamber through the flow splitter that is communicated with inlet tube, because the exit is a shading ring, therefore liquid or gas enter in the cavity on filter top through filter plate, are derived by outlet through the flow splitter of the top outlet side exit passageway of flowing through again.
The advantage of the multiaperture-type filter that the utility model is designed is:
1. little, the more reasonable structure of volume is easy to install.Because flow splitter and shading ring are integral loop, therefore stressed close, installation requirement reduces, and because flow splitter and shading ring all have connecting ring, is easier to fix when therefore installing, and has strengthened sealing property.
2. good seal performance, long service life.Not only shading ring and flow splitter with connecting ring strengthened the sealing at import and export place, end face at shading ring has groove in addition, make end face form the band of multilayer ring-type, thereby stop interpenetrating of interior with outside liquid of shading ring or gas effectively, and help equalizing pressure; Adopt the inserted hermetically-sealed construction of concave, convex between seal, sealing strengthens.Because flow splitter adopts whole circulus, has avoided the flimsy defective of semi-loop in the past, make filter that be arranged long service life.
3. pressure reduction is little in the filter process, filtering accuracy height, filter efficiency height.Owing to when filtering, all have liquid, gas to enter simultaneously in the cavity of each filter element, thereby pressure reduction is little, resistance to pressure is good; No support plate stops between filter, can be directly to filter regeneration, and easy to use, the structure of pipe at the filter homonymy imported and exported in employing, and floor space is little, and is easy for installation.Adopt the filter filter liquide of two-layer compound porous filter plate, 40～50 liters/minute of stream scooters, filtering accuracy can reach 0.3 micron, and filter efficiency is up to more than 95%.
The designed multiaperture-type filter of the utility model mainly is applicable to and filters various liquid or gas in the fields such as pharmacy, beverage, chemical industry, environmental protection, metallurgy, is applicable to sewage disposal.
Fig. 1 is the designed a kind of single perforated plate formula structure of filter figure of the utility model.
Fig. 2 is the structure chart of the designed a kind of multi-layer porous leaf filter of the utility model.
Fig. 3 is the structure chart of flow splitter among Fig. 1 and 2.
Fig. 4 is the structure chart of shading ring among Fig. 1 and 2.
Fig. 5 is the structure chart of sealing ring among Fig. 2.
Fig. 6 is the multiaperture-type structure of filter figure that adopts another kind of fastening means.
Fig. 7 is the multiaperture-type structure of filter figure that adopts another fastening means.
Be described further according to embodiment and the effect of specific embodiment below in conjunction with accompanying drawing the designed multiaperture-type filter of the utility model.
Embodiment 1
A kind of single perforated plate formula filter as shown in Figure 1, mainly be made up of a filter element, seal 6 and securing member, filter element comprises porous filter plate 5, is separately positioned on porous filter plate 5 corresponding flow splitter 3 and shading rings 4 compositions of importing and exporting top and bottom.Porous filter plate 5 is the plastics porous filter plate.Flow splitter 3 is integral ring-shaped structure as shown in Figure 3, has a plurality of tap holes 15 on its sidewall, and upper and lower end has been worn connecting ring 16, and the external diameter of connecting ring 16 is consistent with the import and export aperture.Shading ring 4 as shown in Figure 4, its upper and lower end has been worn connecting ring 17, the external diameter of connecting ring 17 is with to import and export the aperture consistent.On the upper and lower end face of shading ring 4, have annular groove 18 in addition, make that the vertical section of shading ring end face is a zigzag, help sealing.Securing member is made up of shell 2, flange 9 and connector 19, filter element is positioned at shell 2, between filter element and shell 2, seal by seal 6, seal 6 is close on the sidewall of shell 2, housing 2 and flange 9 are compressed by connector 19, be consolidated by bolt, between flange 9 and housing 2, be provided with sealing ring 7 in case liquid, gas permeation.Inlet tube 10 and outlet 11 that feed flow, gas turnover are arranged on the corresponding position of import and export of the outside of flange and porous filter plate 5.
Liquid to be filtered, gas feed filter by inlet tube 10, enter filter chamber 13 through flow splitter 3, because stopping of exit shading ring 4, liquid, gas can not directly flow out from outlet 11, therefore enter the collecting chamber 14 of porous filter plate top after liquid, gas filter through porous filter plate 5, the entrance point of collecting chamber 14 is a shading ring, and the port of export is a flow splitter, and therefore clean liquid, gas are flowed out from the outlet corresponding with it 11 by the flow through shading ring 4 of filter chamber 13 of the flow splitter of outlet side.Can find out the multiaperture-type filtration device structure compact and reasonable in the present embodiment thus, volume is little, easy to use, the transition of the flow splitter 3 of closed loop design, the end face seal structure of shading ring 4 and connecting ring connects and sealing, the service life of all having improved filter greatly.
In addition, according to the design and use requirement, filter can be made circle, different shape such as square.Filter can adopt materials such as plastics porous plate, ceramic porous plate and metallic porous sheet, both can adopt single porous plate, also can adopt the two-layer compound porous plate to improve filtering accuracy.
A kind of as shown in Figure 2 multi-layer porous leaf filter, similar to embodiment 1, mainly form by filter element, seal and securing member, different is that it is made up of six filter elements, and each filter element comprises porous filter plate 25, is separately positioned on the flow splitter 23 and the shading ring 24 of the corresponding import and export of porous filter plate top and bottom.Identical among flow splitter 23 and shading ring 24 and the embodiment 1.The structure that seal 26 adopts as shown in Figure 5 has groove 516 in the middle of it is inboard, and the upper and lower end face of seal 26 has corresponding annular protrusion 517 and annular groove 518 respectively.The filter of each filter element embeds in the groove 516, each filter element is integral by upper and lower the assembling of seal, in the junction of its adjacent seal, two contacted end faces with respective slot and projection cooperate to strengthen the sealing of junction.
After liquid to be filtered, gas entered filter by inlet tube 210, a part entered first filter chamber 213 through flow splitter 23, and after 25 filtrations entered first collecting chamber 214 through filter plate, clean liquefied gas entered the exit passageway discharge by the flow splitter of outlet side; Another part liquid to be filtered, gas then enter second filter chamber 215 and the three, the four again respectively through the inlet hole of filter plate 25 ... filter chamber filters.This multi-layer porous leaf filter, owing to adopt multiple filtration, and each filter chamber can enter liquid, gas simultaneously, so pressure reduction is little, the filter efficiency height, it is convenient especially to use.Adopt 100 millimeters of the diameters that stainless steel casing, plastics porous plate make, the filter of this high 200 millimeters structure is used for liquid filtering, and its filtering accuracy is 2 microns, and filter efficiency reaches more than 95%, flow velocity be the 50-60 liter/minute.Have good corrosion resistance, volume is little, and high efficiency of filtration can be used for electroplating liquid filtering and sewage disposal.
As adopt the two-layer compound POROUS TITANIUM PLATE to make filter, the filter of same size is used for liquid filtering, flow velocity reach the 40-50 liter/minute, pressure reduction is less than 0.5 kilograms per centimeter
3Situation under, filtering accuracy is 0.3 micron, filter efficiency reaches more than 95%.This filter can be realized the filtration of high flow rate under the high filtering precision.
Multiaperture-type filter as shown in Figure 6, its structure is similar substantially to embodiment 2, and different is the fastening means difference of securing member.Securing member is made up of upper flange 61, lower flange 69 and Duo Gen screw rod 615, and nut is tightened screw rod 615 filter is tightened to one.The designed multiaperture-type filter of present embodiment has the multiaperture-type filter identical advantage designed with embodiment 2, and can be made into relatively large filter.
A kind of multiaperture-type filter as shown in Figure 7, its structure is similar substantially to embodiment 3, and the structure of different is securing member is inequality, and securing member is made up of lower flange 79, support bar 719, top board 717 and screw thread depression bar 718.Have two fixedly connected vertical rods 716 on the lower flange 79, top board 717 is housed in the vertical rod 716, top board 717 can be along vertical rod 716 upper and lower moving.Vertical rod top is installed with support bar 719, is threaded the hole on the support bar 719, and screw thread depression bar 718 cooperates with screwed hole.Each filter element is compressed by top board 717, adjusts distance by the screw thread depression bar on the operation top board 717 718, compresses the seal of each interlayer, and filter is tightened to one.The designed multiaperture-type filter of present embodiment also can be made into relatively large filter.
In addition, if adopt the POROUS TITANIUM PLATE of 200 millimeters of diameters to make filter, make 230 millimeters of the diameters of example three and example four structures, high 300 millimeters filter is used for liquid filtering, and then its filtering accuracy is 5 microns, filter efficiency reaches more than 93%, and flow is greater than 200 liters/minute.Can be used for the filtration of liquids and gases such as pharmacy, beverage, chemical industry, environmental protection.
Claims (8)
1. multiaperture-type filter, mainly by filter element, seal and securing member are formed, filter element is by having into, the porous filter plate of outlet reaches and advances, flow splitter that outlet cooperates and shading ring are formed, filter element can have one or more as required, periphery at filter element is assembled into one it with securing member, be equipped with seal between filter element and the securing member, it is characterized in that: designed flow splitter is circular, its sidewall has plural tap hole, on it, the lower end or wherein an end have connecting ring, the advancing of the external diameter of connecting ring and porous filter plate, the outlet aperture is consistent; The upper and lower end of designed shading ring or wherein an end have connecting ring, the external diameter of connecting ring is consistent with the import and export aperture of porous filter plate.
2. multiaperture-type filter according to claim 1, its feature also is: have annular groove on the end face of shading ring.
3. multiaperture-type filter according to claim 1, its feature also is: porous filter plate can be composite plastic filter, ceramic filter plate or the metal composite filter that is provided with import and export, and it is shaped as ellipse, circle, square or polygon.
4. multiaperture-type filter according to claim 3, its feature also is: the metal composite filter is the two-layer compound POROUS TITANIUM PLATE.
5. multiaperture-type filter according to claim 1, its feature also is: take embedded structure between the seal in the filtration of being made up of an above filter element, promptly a seal end face has groove, have projection on the end face of the seal that another is in contact with it, projection embeds in the groove.
6. multiaperture-type filter according to claim 1, its feature also is: securing member by shell, and shell flange connecting, shell and flange between seal form, shell and flange tighten together, filter element in the shell and seal are compressed, seal, and the import and export pipe is connected with flange.
7. multiaperture-type filter according to claim 1, its feature also is: securing member also can be made up of upper and lower flange and screw rod, nut, upper and lower flange is fastening by screw rod, nut, to compress, seal at filter element between the upper and lower flange and seal, the import and export pipe be connected with lower flange.
8. multiaperture-type filter according to claim 1, its feature also is: securing member also can be by the lower flange of band vertical rod, can form along the fixing bracing frame of the upper and lower mobile top board of vertical rod, vertical rod top or bar and with the screw thread depression bar of bracing frame or bar threaded engagement, act on top board by the screw thread depression bar filter element between top board and the lower flange and seal are compressed, seal, import and export pipe and be connected with lower flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97215921 CN2291187Y (en) | 1997-05-20 | 1997-05-20 | Porous perforated-plate filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97215921 CN2291187Y (en) | 1997-05-20 | 1997-05-20 | Porous perforated-plate filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2291187Y true CN2291187Y (en) | 1998-09-16 |
Family
ID=33932946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97215921 Expired - Lifetime CN2291187Y (en) | 1997-05-20 | 1997-05-20 | Porous perforated-plate filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2291187Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103370118A (en) * | 2010-12-16 | 2013-10-23 | 阿米亚德过滤系统公司 | Filtration system and components therefor |
| CN103550967A (en) * | 2013-10-31 | 2014-02-05 | 中国科学院寒区旱区环境与工程研究所 | Device for filtering negative pressure solution |
-
1997
- 1997-05-20 CN CN 97215921 patent/CN2291187Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103370118A (en) * | 2010-12-16 | 2013-10-23 | 阿米亚德过滤系统公司 | Filtration system and components therefor |
| CN103550967A (en) * | 2013-10-31 | 2014-02-05 | 中国科学院寒区旱区环境与工程研究所 | Device for filtering negative pressure solution |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |