CN214158706U - Cleanable bag filter for liquid - Google Patents
Cleanable bag filter for liquid Download PDFInfo
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- CN214158706U CN214158706U CN202022418589.0U CN202022418589U CN214158706U CN 214158706 U CN214158706 U CN 214158706U CN 202022418589 U CN202022418589 U CN 202022418589U CN 214158706 U CN214158706 U CN 214158706U
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- filter
- bag
- cylinder
- support frame
- compressed air
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Abstract
本实用新型公开了一种可清洗的液体用袋式过滤器，包括筒体，筒体的上端通过螺栓连接有盖体，盖体顶部设置有清洗液入口，清洗液入口与位于盖体内喷淋头连通，压空反吹口设置在盖体上端，压空反吹口与位于盖体内的上端压缩空气布置器连通，筒体的下端设置有进液口，出液口设置在筒体侧壁上部，排污口设置在筒体底部，底部压空管口设置在筒体下端，底部压空管口与位于筒体内的下端压缩空气布置器连通；筒体的内部上端设置有支撑架，支撑架上依次设置有内网筒、滤袋、滤袋外支撑架，滤袋位于内网筒和滤袋外支撑架之间。有益效果在于：袋式过滤器采用压缩空气扰动清洗液进行清洗，操作简单，维护方便，运行成本低。
The utility model discloses a washable liquid bag filter, which comprises a cylinder body, the upper end of the cylinder body is connected with a cover body through bolts, a cleaning liquid inlet is arranged on the top of the cover body, and the cleaning liquid inlet is connected to a spraying liquid located in the cover body. The head is connected, the pressure air blowback port is arranged on the upper end of the cover body, and the pressure air blowback port is connected with the upper end compressed air arranger located in the cover body. The sewage outlet is arranged at the bottom of the cylinder body, the bottom compression air nozzle is arranged at the lower end of the cylinder body, and the bottom compression air outlet is communicated with the lower end compressed air arranger located in the cylinder body; the inner upper end of the cylinder body is provided with a support frame, which is arranged in sequence on the support frame. An inner mesh cylinder, a filter bag and an outer support frame of the filter bag are provided, and the filter bag is located between the inner mesh cylinder and the outer support frame of the filter bag. The beneficial effects are as follows: the bag filter is cleaned by using compressed air to disturb the cleaning liquid, the operation is simple, the maintenance is convenient, and the operation cost is low.
Description
Technical Field
The utility model belongs to the technical field of fluid filtration equipment, concretely relates to can abluent bag filter for liquid.
Background
The bag filter is a common filtering device, and the main components of the bag filter are a cylinder body, a cover body, a filter bag support frame and the like. The bag filter has the advantages of large flow, small volume, large dirt capacity, good tightness, simple structure, simple and convenient operation, low operating cost and wider application range. Current bag filter is the barrel usually, and the inlet is located the upper portion of barrel lateral wall, and the liquid outlet is located the lower extreme of barrel, and the filter bag is vertical to be arranged in the barrel, and the filter bag mouth is up, in the liquid that needs to filter flows into the filter bag from the inlet, and filtrating flows from the filter bag outer wall, and the filter residue after the filtration is held back in the filter bag, and after the filter residue accumulated a certain amount, can continue to use after taking apart the lid and changing the filter bag. In the process of replacing and cleaning the filter bag, the cover body, the filter bag and the filter bag supporting frame need to be manually disassembled, the labor intensity of operators is high, the operators inevitably contact with toxic and harmful filter liquid and filter residues, and the harm to human bodies is large.
In recent years, improved bag filters have appeared, and organic synthetic materials (such as polypropylene materials) are adopted to manufacture filter cylinders, cover bodies, flange connecting pieces and the like, so that the corrosion resistance of equipment is remarkably improved; the connecting position of the feeding pipe and the fixed connection of the supporting frame and the container are changed, the upper part of the cylinder body of the feeding pipe is changed into the middle part, and the structural strength of the device is ensured. The filter is only improved in filter processing materials, a liquid filtering mode is that the filter bag is used for filtering liquid and filter residue, the filter residue is retained in the filter bag, the filter bag needs to be replaced and cleaned manually, and operators inevitably contact the filtered liquid and the filter residue.
And the filter bag is pressed to the upright post in the filter bag by utilizing compressed air, so that the residual liquid in the filter bag is extruded out, the filter residue is extruded into a block shape, and the filter residue is dried by heating air, so that an operator can conveniently clean the filter residue in the filter bag. The utility model discloses a dry into cubic with the mushy filter residue, personnel clear up the filter residue more conveniently, but the filtration equipment is inside complicated, and it is complicated to change the filter bag, and single filter bag, the flow is little, holds the dirt volume little, and hot air drying energy consumption is high, finally still needs the manual work to dismantle the lid clearance filter residue, change the filter bag, and operating personnel still contacts the filter residue.
In conclusion, the existing bag filter generally has the problems that operators dismantle the cover body, the filter bag and the filter bag support frame to replace and clean the filter bag, the operators contact toxic and harmful filter liquid and filter residues, and the harm to human bodies is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can abluent bag filter for liquid, it can solve the frequent problem of changing filter bag in-process personnel contact poisonous and harmful liquid, filter residue of bag filter.
The technical scheme of the utility model as follows: a cleanable bag filter for liquid comprises a barrel, the upper end of the barrel is connected with a cover body through a bolt, the top of the cover body is provided with a cleaning liquid inlet which is communicated with a spray header positioned in the cover body, a compressed air back flushing port is arranged at the upper end of the cover body and is communicated with an upper end compressed air distributor positioned in the cover body,
the lower end of the barrel is provided with a liquid inlet, the liquid outlet is arranged at the upper part of the side wall of the barrel, the drain outlet is arranged at the bottom of the barrel, the bottom air pressing pipe orifice is arranged at the lower end of the barrel and is communicated with a lower end compressed air distributor in the barrel;
the upper end in the cylinder body is provided with a support frame, the support frame is sequentially provided with an inner net cylinder, a filter bag and a filter bag outer support frame, and the filter bag is positioned between the inner net cylinder and the filter bag outer support frame.
The liquid outlet is connected with a flowmeter.
The inner net barrel is of a cylindrical structure, and the side wall and the bottom of the inner net barrel are provided with filter holes.
The outer support frame of the filter bag is of a cylindrical frame structure.
The supporting legs are arranged at the lower end of the cylinder body.
The inner net barrel, the filter bag and the outer support frame of the filter bag are fixed on the support frame through pressing strips and bolts.
The upper end compressed air distributor is welded on the cover body.
The lower end compressed air distributor is welded on the cylinder body.
The upper end compressed air distributor and the lower end compressed air distributor are both annular compressed air pipelines, and air outlet holes are distributed in the pipelines.
The upper part of the cover body is connected with a quick-release structure, and the upper end of the cover body is provided with a sight glass opening.
The beneficial effects of the utility model reside in that:
(1) the utility model improves the internal structure of the bag filter, the filtered liquid enters from the lower end of the filter, the filtrate exits from the upper part of the side wall of the filter, the filter residue is retained outside the filter bag and is discharged through the drain outlet at the bottom of the filter;
(2) the bag filter can clean the filter bag through 2-3 times of back flushing and disturbing cleaning operations, so that the working procedures of disassembling and replacing the filter bag are omitted, the problems that operators of the existing bag filter disassemble the cover body, the filter bag and the filter bag support frame to replace and clean the filter bag, the operators contact toxic and harmful filter liquid and filter residue, and the harm to human bodies is large are solved, and the bag filter has the advantages of saving manpower and material resources;
(3) the bag filter is cleaned by disturbing cleaning fluid by compressed air, so that the operation is simple, the maintenance is convenient and the operation cost is low;
(4) a flow meter is installed at the liquid outlet of the bag filter to monitor the flow of the filtrate, and the blocking condition and the cleaning requirement of the filter are judged according to the flow change of the liquid outlet.
Drawings
FIG. 1 is a schematic view of a cleanable bag filter for liquids provided by the present invention;
FIG. 2 is a schematic view of an upper (lower) end compressed air arranger;
FIG. 3 is a schematic illustration of an inner mesh;
fig. 4 is a schematic view of a filter bag outer support frame.
In the figure: the device comprises a barrel body 1, a cover body 2, a quick-release structure 3, a cleaning liquid inlet 4, a spray header 5, a compressed air back flushing port 6, a compressed air distributor at the upper end 7, a viewing mirror port 8, a liquid inlet 9, a liquid outlet 10, a flow meter 11, a sewage discharge port 12, a compressed air pipe orifice at the bottom 13, a compressed air distributor at the lower end 14, supporting legs 15, supporting frames 16, an inner net barrel 17, a filter bag 18 and an outer supporting frame 19.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a pair of can abluent bag filter for liquid goes in and out from the filter bag outward, and the filter residue is held back outside the filter bag, and the filter effect is good, utilizes the pressure empty blowback, the disturbance washing liquid washs, easy operation, and it is convenient to maintain, and the running cost is low, avoids tearing open the lid and washs the change filter bag, avoids personnel to contact poisonous and harmful filtrating and filter residue, the material resources of using manpower sparingly.
As shown in figure 1, the utility model discloses a can abluent bag filter for liquid mainly used poisonous and harmful liquid filter particle impurity, including barrel 1, there is lid 2 upper end through bolted connection barrel 1, quick detach structure 3 is connected on the upper portion of lid 2, and lid 2 top is provided with washing liquid entry 4, and washing liquid entry 4 communicates with being located 2 interior shower heads 5 of lid, and pressure empty blowback mouth 6 sets up in lid 2 upper end, and pressure empty blowback mouth 6 communicates with being located 2 interior upper end compressed air arrangement ware 7 of lid, and viewing window 8 sets up in lid 2 upper end.
The detailed structural composition of the quick release structure 3 is described
The lower extreme of barrel 1 is provided with inlet 9, and liquid outlet 10 sets up on 1 lateral wall upper portion of barrel, and liquid outlet 10 is connected with flowmeter 11, and drain 12 sets up in 1 bottoms of barrel, and the bottom blank pipe mouth 13 sets up at 1 lower extreme of barrel, and the bottom blank pipe mouth 13 communicates with the lower extreme compressed air ware of arranging that is located barrel 1, and landing leg 15 sets up at 1 lower extreme of barrel.
The upper end of the interior of the cylinder body 1 is provided with a support frame 16, the support frame 16 is sequentially provided with an inner net cylinder 17, a filter bag 18 and a filter bag outer support frame 19, and the filter bag 18 is positioned between the inner net cylinder 17 and the filter bag outer support frame 19.
As shown in fig. 3, the inner net drum 17 is a cylindrical structure, and the side wall and the bottom of the inner net drum are provided with filtering holes.
As shown in fig. 4, the filter bag outer support frame 19 has a cylindrical frame-like structure.
An inner net cylinder 17, a filter bag 18 and an outer support frame 19 of the filter bag are fixed on a support frame 16 through a pressing bar and bolts, an upper end compressed air distributor 7 is welded on the cover body 2, and a lower end compressed air distributor 14 is welded on the cylinder body 1.
As shown in FIG. 2, the upper end compressed air distributor 7 and the lower end compressed air distributor 14 are both annular compressed air pipelines, and air outlet holes with the diameter of 2-5 mm are distributed on the pipelines.
The filtering area and the number of filter bags of the bag filter are designed according to the use requirement; the filter precision meets the use requirement to the maximum extent by selecting filter bags with different meshes. The cylinder body 1, the lid body 2, the inner mesh cylinder 17, the support frame 16, and the like may be made of stainless steel or organic synthetic materials. In this embodiment, the cylinder 1, the cover 2, the inner cylinder 17, the support frame 16, etc. are all made of stainless steel, and the filter bag is made of polypropylene woven fabric filter bag.
The utility model discloses a use as follows:
when the bag filter is used for cleaning filter bags, the liquid inlet 9 and the liquid outlet 10 are closed, the pressure air back flushing port 6 is opened, and the drain outlet 12 is opened to discharge residual liquid and filter residues in the bag filter. After the residual liquid and the filter residue in the bag filter cylinder are emptied, compressed air is blown into the filter bag through the back blowing port 6, and the filter residue and the liquid attached to the filter bag are blown down to enter the drain outlet 12. Stop compressed air and bulge in, close drain 12, add the filter through washing liquid entry 4 with the washing liquid, through looking when mirror mouth 8 observation washing liquid does not cross filter bag 18 completely, close washing liquid entry 4, compressed air disturbs the washing liquid and makes the filter residue of filter bag 18 and barrel 1 inner wall drop into the washing liquid through bottom blank pressing mouth of pipe 13 bulging filter, compressed air in the filter is discharged through blank pressing back flushing port 6, compressed air bulges after a period, close bottom blank pressing mouth of pipe 13, open drain 12 and discharge the mixed liquid of washing liquid and filter residue. Repeated above 2 to 3 times anti-purge, disturbance cleaning operation can make bag filter sanitization, has saved the operation of dismantling and changing the filter bag, avoids operating personnel to contact poisonous harmful filtrating and filter residue, uses manpower and materials sparingly.
The liquid inlet of the bag filter is positioned at the lower end of the barrel, the liquid outlet is positioned at the upper part of the side wall of the barrel, the drain is positioned at the bottom of the barrel, the cleaning liquid inlet is positioned at the upper end of the cover body, the bottom compressed air pipe orifice is lower than the liquid inlet and higher than the drain, the compressed air back blowing orifice is close to the top of the cover body, the upper compressed air distributor is positioned above the inner net barrel, the lower compressed air distributor is positioned below the outer support framework of the filter bag, and the viewing window is positioned right above the liquid; the filter unit consists of an inner net cylinder, a filter bag and a filter bag outer support frame, and the filter bag is positioned between the inner net cylinder and the filter bag outer support frame.
The utility model discloses the structure to original bag filter is improved, and the position of specific change inlet, liquid outlet changes the direction that solution passes through the filter bag. A liquid inlet of the bag filter is arranged at the lower end of the cylinder, and a liquid outlet is arranged at the upper part of the side wall of the cylinder; liquid to be filtered flows into the filter bag from the outer wall of the filter bag, filtered filtrate flows out from the filter bag, filtered filter residues are retained on the outer wall of the filter bag and the outer support frame of the filter bag, the filter residues automatically fall into the bottom of the cylinder after accumulating a certain amount, and finally the filter residues are discharged out of the bag filter through a drain outlet at the bottom of the cylinder.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022418589.0U CN214158706U (en) | 2020-10-27 | 2020-10-27 | Cleanable bag filter for liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022418589.0U CN214158706U (en) | 2020-10-27 | 2020-10-27 | Cleanable bag filter for liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214158706U true CN214158706U (en) | 2021-09-10 |
Family
ID=77597973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022418589.0U Expired - Fee Related CN214158706U (en) | 2020-10-27 | 2020-10-27 | Cleanable bag filter for liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214158706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470923A (en) * | 2020-10-27 | 2022-05-13 | 中核建中核燃料元件有限公司 | Cleanable bag filter for liquid |
-
2020
- 2020-10-27 CN CN202022418589.0U patent/CN214158706U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470923A (en) * | 2020-10-27 | 2022-05-13 | 中核建中核燃料元件有限公司 | Cleanable bag filter for liquid |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |