CN211972082U - Changeable filter - Google Patents

Changeable filter Download PDF

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Publication number
CN211972082U
CN211972082U CN202020340777.3U CN202020340777U CN211972082U CN 211972082 U CN211972082 U CN 211972082U CN 202020340777 U CN202020340777 U CN 202020340777U CN 211972082 U CN211972082 U CN 211972082U
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filter
box
water pipe
water
box body
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CN202020340777.3U
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Chinese (zh)
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宋刚
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Abstract

The utility model discloses a changeable filter, its characterized in that: the water purifier comprises a first box body, a second box body, a first water pipe, a second water pipe and a filtering device, wherein the first box body is connected with the second box body in a matching way, the first water pipe is arranged on the first box body, the second water pipe is arranged on the second box body, the filtering device is positioned between the first water pipe and the second water pipe, and an exhaust valve is arranged above the first box body; the utility model provides a filterable effectual of changeable filter, easily wash, but this filter media modularization, easily change, through equipment and business turn over water mode in the local change, can become the MBR filter by general medium filter at once, and the top increases special exhaust apparatus, does not need artifical exhaust.

Description

Changeable filter
Technical Field
The utility model relates to a filter technical field especially relates to a changeable filter.
Background
The solid that mud produced after sewage treatment at different levels, be the inevitable by-product of sewage filtration, the principal ingredients of mud are moisture and organic matter, inlet tube and outlet pipe are in same one side in most filters in the existing market, and this filter often is the integration, and the mud of production washs inconveniently, and because the filter often is confined, when organic matter produces gas, then can lead to the volume in the filter to diminish, and then influences filterable efficiency, still can cause when serious and can not filter. The media filter and the membrane filter are commonly used filters, but due to different characteristics, different structures are required to be respectively arranged for the two filters for production, so that the design cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a changeable filter and be used for solving filterable problem.
The technical scheme of the utility model is that: the utility model provides a changeable filter, includes first box, second box, first water pipe, second water pipe and filter equipment, and first box and the cooperation of second box are connected, and on first box was located to first water pipe, on the second box was located to the second water pipe, filter equipment was located between first water pipe and the second water pipe and first box top was equipped with discharge valve.
Preferably, the connected mode that above-mentioned first box and second box cooperation are connected is bolted connection or high-speed joint, bolted connection be in first box and second box cooperation junction establish and are equipped with first bulge ring and second bulge ring respectively, are equipped with corresponding through-hole on first bulge ring and the second bulge ring, through-hole department uses bolted connection, establishes sealed cushion in the middle of first bulge ring and the second bulge ring, high-speed joint is in first box and second box cooperation are connected out and are equipped with quick-operation joint, quick-operation joint comprises colluding shape piece and backing sheet, collude shape piece with the backing sheet cooperation is connected.
Preferably, when the first box body and the second box body are connected in a matched manner by bolts, the first box body and the second box body are rectangular or circular in shape; when the first box body and the second box body are connected in a matched mode in a quick connection mode, the first box body and the second box body are circular in appearance.
Preferably, the changeable filter further comprises a water distributor, the water distributor is formed by combining at least 3 water distribution pipes, the water distributor is connected with the first water pipe or the second water pipe, water distribution holes are formed in all the water distribution pipes, and the water distribution holes are downward.
Preferably, the filtering device is a modular media stack, the modular media stack includes a media module, fiber isolation layers are disposed at upper and lower ends of the media module, the fiber isolation layers are made of fibers, the media module includes a housing and a medium, and the medium is disposed in the housing.
Further, the medium is quartz sand, activated carbon or ceramsite.
Further, a support is arranged in the second box body and used for supporting the modular medium stack or the membrane stack.
Preferably, the first water pipe is provided with a first gate valve, and the second water pipe is provided with a second gate valve.
Preferably, the second box body is internally provided with an inclined plate, a sludge bin is formed above the inclined plate, the lowest end of the sludge bin is provided with a discharge pipe, and the discharge pipe is provided with a third gate valve.
Preferably, the filtering device is a membrane stack, the membrane stack is connected with the second water pipe, and the membrane stack is an MBR membrane or a ceramic membrane.
The utility model has the advantages that: the utility model provides a filterable effectual of changeable filter, easily wash, but this filter media modularization, easily change, through equipment and business turn over water mode in the local change, can become the MBR filter by general medium filter at once, and the top increases special exhaust apparatus, does not need artifical exhaust.
Drawings
FIG. 1 is a schematic view of a first polytropic filter
FIG. 2 is a top view of a first polytropic filter
FIG. 3 is an enlarged view of A
FIG. 4 is a schematic view of a water distributor
FIG. 5 is a top view of a second polytropic filter
FIG. 6 is a side view of an MBR membrane filter
FIG. 7 is a top view of an MBR membrane filter
FIG. 8 is an enlarged view of B
FIG. 9 is a side view of a ceramic membrane filter
FIG. 10 is a top view of a ceramic membrane filter
FIG. 11 is an enlarged view of B in FIG. 9
FIG. 12 is a schematic view of a first polytropic filter
FIG. 13 is an enlarged view of C in FIG. 12
FIG. 14 is an exploded view of a quick connector connection
Reference numerals: 1 exhaust valve, 21 first water pipe, 22 second water pipe, 23 water distribution pipe, 24 water distribution hole, 31 fiber isolation layer, 32 medium module, 33 support, 41 inclined plate, 42 sewage discharge pipe, 43 sludge bin, 71 first gate valve, 72 second gate valve, 73 third gate valve, 51 first box, 52 second box, 53 first bulge loop, 54 second bulge loop, 55 bolt, 56 sealing rubber pad, 57 hook-shaped piece, 58 support piece, 6 membrane stack, 61MBR membrane, 62 ceramic membrane.
Detailed Description
The following describes an implementation structure of the present invention with reference to the drawings.
In order to explain the purpose, technical scheme and main points of the present invention more clearly, the present invention is further described in detail with reference to the accompanying drawings. The specific embodiments described herein are merely illustrative of the present invention.
Example one
As shown in fig. 1 to 4, the technical solution of the present invention is as follows:
the utility model provides a changeable filter, includes first box 51, second box 52, first water pipe 21, second water pipe 22 and filter equipment, and first box 51 and second box 52 cooperation are connected, and first water pipe 21 is located on first box 51, and second water pipe 22 is located on second box 52, filter equipment is located between first water pipe 21 and the second water pipe 22 and first box 51 top are equipped with discharge valve 1, because microorganism produces marsh gas under the anaerobic condition in the filter, so discharge valve 1 mainly is used for discharging the gas that produces in the changeable filter, because when gas produces excessively, influences the efficiency of filter, even can not filter.
In order to strengthen the fixed connection between the first box 51 and the second box 52, a first projecting ring 53 and a second projecting ring 54 are respectively arranged at the matching connection position of the first box 51 and the second box 52, corresponding through holes are arranged on the first projecting ring 53 and the second projecting ring 54, the through holes are connected by bolts 55, and a sealing rubber gasket 56 is arranged between the first projecting ring 53 and the second projecting ring 54 so as to prevent the liquid in the filter from flowing out.
The first case 51 and the second case 52 have a circular outer shape. For the more even intaking of ability, a changeable filter still includes the water-locator, the water-locator is formed by 3 water-locator 23 combinations, the water-locator with the second water pipe 22 is connected, all be equipped with water distribution hole 24 on the water-locator 23, water distribution hole 24 is downward.
In order to conveniently assemble different filter layers in a modularized manner, different media 32 are made into different modules so as to be assembled into different filters as required, the filter device is a modularized media stack, the modularized media stack comprises media modules, fiber isolation layers 31 are arranged at the upper end and the lower end of each media module, each fiber isolation layer 31 is made of fibers, each media module comprises a shell and a medium, the media are arranged in the shell, and the media 32 are quartz sand. A support 33 is provided in the second box 52 for supporting the modular media stack.
In order to control the on-off of the water flow conveniently, a first gate valve 71 is arranged on the first water pipe 21, and a second gate valve 72 is arranged on the second water pipe 22. The second box body 52 is internally provided with an inclined plate 41, a sludge bin 43 is formed above the inclined plate 41, the lowest end of the sludge bin 43 is provided with a sewage discharge pipe 42, and the sewage discharge pipe 42 is provided with a third gate valve 73. Debris that filter come out will gather in mud storehouse 43 and form mud, when wasing the utility model discloses during changeable filter, make things convenient for mud to discharge mud through blow off pipe 42, be equipped with third gate valve 73 on the blow off pipe 42, convenient control opens or closes blow off pipe 42.
The working principle is as follows:
under normal conditions, the changeable filter in this implementation is a medium type filter, sewage in the filter enters from the second water pipe 22, then the sewage is filtered on the medium layer of the filter after passing through the water distributor, the sewage is changed into clear water after passing through the filtering device, the clear water is discharged from the first water pipe 21, impurities are filtered to form sludge which is gathered in the sludge bin 43, when the sludge is gathered more, only the gate valve 72 needs to be closed, the third gate valve 73 on the sewage discharge pipe 42 is opened, the sludge in the sludge bin can be discharged from the sewage discharge pipe 42, and at this time, water on the upper portion of the box body can have a back washing effect on the filtering medium module. In addition, the exhaust valve 1 is in a closed state in the case of normal filtration; when the variable filter is in an anaerobic condition during filtering, microorganisms generate gas in the variable filter, and the gas cannot go out of the exhaust valve 1, so that when the generated gas occupies a certain space in the variable filter, the height of the liquid is reduced, the exhaust valve 1 senses that the buoyancy is reduced due to the reduction of the liquid, the exhaust valve 1 is opened, and the gas can go out of the exhaust valve 1; when the gas is reduced, the liquid level rises, the exhaust valve 1 senses the buoyancy in the exhaust valve 1 increased due to the rising of the liquid, then the exhaust valve 1 is closed, the liquid can not be discharged, the circulation is repeated, and the liquid can not be discharged due to the special exhaust valve, so that the aim of discharging the gas and not discharging the liquid can be fulfilled.
Example two
As shown in fig. 1, fig. 3, fig. 4 and fig. 7, the technical solution of the present invention is as follows:
the utility model provides a changeable filter, includes first box 51, second box 52, first water pipe 21, second water pipe 22 and filter equipment, and first box 51 and second box 52 cooperation are connected, and first water pipe 21 is located on first box 51, and second water pipe 22 is located on second box 52, filter equipment is located between first water pipe 21 and the second water pipe 22 and first box 51 top are equipped with discharge valve 1, because microorganism produces marsh gas under the anaerobic condition in the filter, so discharge valve 1 mainly is used for discharging the gas that produces in the changeable filter, because when gas produces excessively, influences the efficiency of filter, even can not filter.
In order to strengthen the fixed connection between the first box 51 and the second box 52, a first projecting ring 53 and a second projecting ring 54 are respectively arranged at the matching connection position of the first box 51 and the second box 52, corresponding through holes are arranged on the first projecting ring 53 and the second projecting ring 54, the through holes are connected by bolts 55, and a sealing rubber gasket 56 is arranged between the first projecting ring 53 and the second projecting ring 54 so as to prevent the liquid in the filter from flowing out.
Preferably, the first case 51 and the second case 52 have a rectangular shape. For the more even intaking of ability, a changeable filter still includes the water-locator, the water-locator is formed by 3 water-locator 23 combinations, the water-locator with the second water pipe 22 is connected, all be equipped with water distribution hole 24 on the water-locator 23, water distribution hole 24 is downward.
In order to conveniently assemble different filter layers in a modularized manner, different media 32 are made into different modules so as to be assembled into different filters as required, the filter device is a modularized media stack, the modularized media stack comprises media modules, fiber isolation layers 31 are arranged at the upper end and the lower end of each media module, each fiber isolation layer 31 is made of fibers, each media module comprises a shell and a medium, the media are arranged in the shell, and the media 32 are activated carbon. A support 33 is provided in the second box 52 for supporting the modular media stack.
In order to control the on-off of the water flow conveniently, a first gate valve 71 is arranged on the first water pipe 21, and a second gate valve 72 is arranged on the second water pipe 22. The second box body 52 is internally provided with an inclined plate 41, a sludge bin 43 is formed above the inclined plate 41, the lowest end of the sludge bin 43 is provided with a sewage discharge pipe 42, and the sewage discharge pipe 42 is provided with a third gate valve 73. Debris that filter come out will form mud and assemble on mud storehouse 43, when wasing the utility model discloses during changeable filter, conveniently discharge mud through blow off pipe 42, be equipped with third gate valve 73 on the blow off pipe 42, convenient control is opened or is closed blow off pipe 42.
The working principle is as follows:
under normal conditions, the changeable filter in this implementation is a medium type filter, sewage in the filter enters from the second water pipe 22, then the sewage is filtered on the medium layer of the filter after passing through the water distributor, the sewage is changed into clear water after passing through the filtering device, the clear water is discharged from the first water pipe 21, impurities are filtered to form sludge which is gathered in the sludge bin 43, when the sludge is gathered more, only the gate valve 72 needs to be closed, the third gate valve 73 on the sewage discharge pipe 42 is opened, the sludge in the sludge bin can be discharged from the sewage discharge pipe 42, and at this time, water on the upper portion of the box body can have a back washing effect on the filtering medium module. In addition, the exhaust valve 1 is in a closed state in the case of normal filtration; when the variable filter is in an anaerobic condition during filtering, microorganisms generate gas in the variable filter, and the gas cannot go out of the exhaust valve 1, so that when the generated gas occupies a certain space in the variable filter, the height of the liquid is reduced, the exhaust valve 1 senses that the buoyancy is reduced due to the reduction of the liquid, the exhaust valve 1 is opened, and the gas can go out of the exhaust valve 1; when the gas is reduced, the liquid level rises, the exhaust valve 1 senses the buoyancy in the exhaust valve 1 increased due to the rising of the liquid, then the exhaust valve 1 is closed, the liquid can not be discharged, the circulation is repeated, and the liquid can not be discharged due to the special exhaust valve, so that the aim of discharging the gas and not discharging the liquid can be fulfilled.
EXAMPLE III
As shown in fig. 4 and 12 to 14, the technical solution of the present invention is as follows:
the utility model provides a changeable filter, includes first box 51, second box 52, first water pipe 21, second water pipe 22 and filter equipment, and first box 51 and second box 52 cooperation are connected, and first water pipe 21 is located on first box 51, and second water pipe 22 is located on second box 52, filter equipment is located between first water pipe 21 and the second water pipe 22 and first box 51 top are equipped with discharge valve 1, because microorganism produces marsh gas under the anaerobic condition in the filter, so discharge valve 1 mainly is used for discharging the gas that produces in the changeable filter, because when gas produces excessively, influences the efficiency of filter, even can not filter.
In order to enhance the fast fixed connection between the first box 51 and the second box 52, the matching connection between the first box 51 and the second box 52 is connected by a fast joint, the fast joint is composed of a hook-shaped sheet 57 and a support sheet 58, the hook-shaped sheet 57 is matched and connected with the support sheet 58, the hook-shaped sheet 57 is arranged on the first box 51, and the support sheet 58 is arranged on the second box 52. The first case 51 and the second case 52 are circular in outer shape.
For the more even intaking of ability, a changeable filter still includes the water-locator, the water-locator is formed by 3 water-locator 23 combinations, the water-locator with the second water pipe 22 is connected, all be equipped with water distribution hole 24 on the water-locator 23, water distribution hole 24 is downward.
In order to conveniently assemble different filter layers in a modularized manner, different media 32 are made into different modules so as to assemble different filters according to requirements, the filter device is a modularized media stack, the modularized media stack comprises media modules, fiber isolation layers 31 are arranged at the upper end and the lower end of each media module, each fiber isolation layer 31 is made of fibers, each media module comprises a shell and media, the media are arranged in the shells, and the media 32 are ceramic particles. A support 33 is provided in the second box 52 for supporting the modular media stack.
In order to control the on-off of the water flow conveniently, a first gate valve 71 is arranged on the first water pipe 21, and a second gate valve 72 is arranged on the second water pipe 22. The second box body 52 is internally provided with an inclined plate 41, a sludge bin 43 is formed above the inclined plate 41, the lowest end of the sludge bin 43 is provided with a sewage discharge pipe 42, and the sewage discharge pipe 42 is provided with a third gate valve 73. Debris that filter come out will form mud and assemble in mud storehouse 43, when wasing the utility model discloses during changeable filter, make things convenient for mud to discharge through blow off pipe 42, be equipped with third gate valve 73 on the blow off pipe 42, convenient control opens or closes blow off pipe 42.
The working principle is as follows:
under normal conditions, the changeable filter in this implementation is medium type filter, sewage in the filter gets into from second water pipe 22, then filter on the dielectric layer of filter behind the water-locator, sewage will become the clear water after passing through filter equipment, the clear water will be discharged from first water pipe 21, debris will be filtered and form mud and converge in mud storehouse 43, when mud assembles when more, only need close gate valve 72, open third gate valve 73 on blow off pipe 42, alright discharge the mud in the mud storehouse from blow off pipe 42, at this moment, the water of box upper portion can have a back flush effect to filter media module. In addition, the exhaust valve 1 is in a closed state in the case of normal filtration; when the variable filter is in an anaerobic condition during filtering, microorganisms generate gas in the variable filter, and the gas cannot go out of the exhaust valve 1, so that when the generated gas occupies a certain space in the variable filter, the height of the liquid is reduced, the exhaust valve 1 senses that the buoyancy is reduced due to the reduction of the liquid, the exhaust valve 1 is opened, and the gas can go out of the exhaust valve 1; when the gas is reduced, the liquid level rises, the exhaust valve 1 senses the buoyancy in the exhaust valve 1 increased due to the rising of the liquid, then the exhaust valve 1 is closed, the liquid can not be discharged, the circulation is repeated, and the liquid can not be discharged due to the special exhaust valve, so that the aim of discharging the gas and not discharging the liquid can be fulfilled.
Example four
As shown in fig. 4, 6 to 8, the technical solution of the present invention is as follows:
the utility model provides a changeable filter, includes first box 51, second box 52, first water pipe 21, second water pipe 22 and filter equipment, and first box 51 and second box 52 cooperation are connected, and first water pipe 21 is located on first box 51, and second water pipe 22 is located on second box 52, filter equipment is located between first water pipe 21 and the second water pipe 22 and first box 51 top are equipped with discharge valve 1, because microorganism produces marsh gas under the anaerobic condition in the filter, so discharge valve 1 mainly is used for discharging the gas that produces in the changeable filter, because when gas produces excessively, influences the efficiency of filter, even can not filter.
In order to strengthen the fixed connection between the first box 51 and the second box 52, a first protruding ring 53 and a second protruding ring 54 are respectively arranged at the matching connection position of the first box 51 and the second box 52, corresponding through holes are arranged on the first protruding ring 53 and the second protruding ring 54, the through holes are connected by bolts 55, and a sealing rubber gasket 56 is arranged between the first protruding ring 53 and the second protruding ring 54 to prevent the liquid in the filter from flowing out.
Preferably, the first case 51 and the second case 52 have a rectangular shape. In order to conveniently control the on-off of the water flow, a first gate valve 71 is arranged on the first water pipe 21, and a second gate valve 72 is arranged on the second water pipe 22.
Preferably, the second box 52 is provided with an inclined plate 41, a sludge bin 43 is formed above the inclined plate 41, a drain pipe 42 is arranged at the lowest end of the sludge bin 43, and a third gate valve 73 is arranged on the drain pipe 42. Debris that filter come out will form mud and assemble in mud storehouse 43, when wasing the utility model discloses during changeable filter, conveniently discharge mud through blow off pipe 42, be equipped with third gate valve 73 on the blow off pipe 42, convenient control is opened or is closed blow off pipe 42.
Preferably, the filtering apparatus is a membrane stack, the membrane stack mainly filters sewage by using a micropore principle, the filtered sewage is discharged from the second water pipe 22, the membrane stack is connected with the second water pipe 22, the membrane stack comprises an MBR membrane 61, and a plurality of MBR membranes 61 form the membrane stack. In order to make the water inlet become uniform, the variable filter further comprises a water distributor 23, the water distributor is formed by combining 3 water distribution pipes 23, the water distributor is connected with the first water pipes 21, water distribution holes 24 are formed in all the water distribution pipes 23, and the water distribution holes 24 face downwards. Water enters from the first water pipe 21 and the water flow flushes the sludge attached to the MBR membrane 61. A support 33 is provided in the second case 52 for supporting the membrane stack.
The working principle is as follows:
under the normal condition, the utility model discloses a changeable filter becomes membrane filter, and sewage can wash away the mud on the membrane stack 6 after getting into the back through water-locator 23 in the first water pipe 21 among the membrane filter, and sewage passes through the membrane filtration back, and clear water will be discharged from second water pipe 22, and debris will be filtered and form mud and fall and converge in mud storehouse 43, assembles more needs when mud and washs changeable filter, closes first gate valve 71 on the first water pipe 21, opens third gate valve 73 on the blow off pipe 42, alright discharge debris from blow off pipe 42. In addition, the exhaust valve 1 is in a closed state in the case of normal filtration; when the variable filter is in an anaerobic condition during filtering, microorganisms generate gas in the variable filter, and the gas cannot go out of the exhaust valve 1, so that when the generated gas occupies a certain space in the variable filter, the height of the liquid is reduced, the exhaust valve 1 senses that the buoyancy is reduced due to the reduction of the liquid, the exhaust valve 1 is opened, and the gas can go out of the exhaust valve 1; when the gas is reduced, the liquid level rises, the exhaust valve 1 senses the buoyancy in the exhaust valve 1 increased due to the rising of the liquid, then the exhaust valve 1 is closed, the liquid can not be discharged, the circulation is repeated, and the liquid can not be discharged due to the special exhaust valve, so that the aim of discharging the gas and not discharging the liquid can be fulfilled.
Example 5
As shown in fig. 3 and 9 to 11, the technical solution of the present invention is as follows:
the utility model provides a changeable filter, includes first box 51, second box 52, first water pipe 21, second water pipe 22 and filter equipment, and first box 51 and the cooperation of second box 52 are connected, and first water pipe 21 is located on first box 51, and second water pipe 22 is located on second box 52, filter equipment is located between first water pipe 21 and the second water pipe 22 and first box 51 top are equipped with discharge valve 1, because microorganism produces gases such as marsh gas under the anaerobic condition in the filter, so discharge valve 1 mainly is used for discharging the gas that produces in the changeable filter, because when gas produces excessively, influences the efficiency of filter, even can not filter.
In order to strengthen the fixed connection between the first box 51 and the second box 52, a first protruding ring 53 and a second protruding ring 54 are respectively arranged at the matching connection position of the first box 51 and the second box 52, corresponding through holes are arranged on the first protruding ring 53 and the second protruding ring 54, the through holes are connected by bolts 55, and a sealing rubber gasket 56 is arranged between the first protruding ring 53 and the second protruding ring 54 to prevent the liquid in the filter from flowing out.
Preferably, the first case 51 and the second case 52 have a circular outer shape. In order to conveniently control the on-off of the water flow, a first gate valve 71 is arranged on the first water pipe 21, and a second gate valve 72 is arranged on the second water pipe 22.
Preferably, the second box 52 is provided with an inclined plate 41, a sludge bin 43 is formed above the inclined plate 41, a drain pipe 42 is arranged at the lowest end of the sludge bin 43, and a third gate valve 73 is arranged on the drain pipe 42. Debris that filter come out form mud and will assemble on mud storehouse 43, when wasing the utility model discloses during changeable filter, conveniently discharge mud through blow off pipe 42, be equipped with third gate valve 73 on the blow off pipe 42, convenient control is opened or is closed blow off pipe 42.
Preferably, the above-mentioned filtering device is a membrane stack, which mainly uses the osmosis principle to filter the sewage, the filtered sewage will be discharged from the second water pipe 22, the membrane stack is connected to the second water pipe 22, and the membrane stack is formed by stacking the ceramic membranes 62. In order to enable the water inlet to be uniform, the changeable filter further comprises a water distributor which is formed by combining 3 water distribution pipes 23, the water distributor is connected with the first water pipe 21, water distribution holes 24 are formed in all the water distribution pipes 23, and the water distribution holes 24 face downwards. Water is fed from the first water pipe 21 and is able to flush the sludge adhering to the ceramic membranes 62, and the second tank 52 is provided with a support 33 for supporting the membrane stack.
The working principle is as follows:
under the normal condition, the utility model discloses a changeable filter becomes membrane filter, and sewage can wash away the mud on the membrane stack 6 after getting into the back through the water-locator from first water pipe 21 among the membrane filter, and sewage passes through the membrane filtration back, and clear water will be discharged from second water pipe 22, and debris will be filtered and form mud and fall and assemble on mud storehouse 43, assembles more needs to wash changeable filter when mud, opens third gate valve 73 on the blow off pipe 42, alright discharge mud from blow off pipe 42. In addition, the exhaust valve 1 is in a closed state in the case of normal filtration; when the variable filter is in an anaerobic condition during filtering, microorganisms generate gas in the variable filter, and the gas cannot go out of the exhaust valve 1, so that when the generated gas occupies a certain space in the variable filter, the height of the liquid is reduced, the exhaust valve 1 senses that the buoyancy is reduced due to the reduction of the liquid, the exhaust valve 1 is opened, and the gas can go out of the exhaust valve 1; when the gas is reduced, the liquid level rises, the exhaust valve 1 senses the buoyancy in the exhaust valve 1 increased due to the rising of the liquid, then the exhaust valve 1 is closed, the liquid can not be discharged, the circulation is repeated, and the liquid can not be discharged due to the special exhaust valve, so that the aim of discharging the gas and not discharging the liquid can be fulfilled.
The above description is only a detailed description of the present invention. The scope of the present invention is not limited thereto, and any changes or simple substitutions which are not thought of through creative work should be covered within the scope of the present invention.

Claims (10)

1. A polytropic filter, comprising: including first box, second box, first water pipe, second water pipe and filter equipment, first box and the cooperation of second box are connected, and first water pipe is located on the first box, and the second water pipe is located on the second box, filter equipment is located between first water pipe and the second water pipe and first box top are equipped with discharge valve.
2. The polytropic filter of claim 1, wherein: the connection mode that first box and second box cooperation are connected is bolted connection or high-speed joint, bolted connection be in first box and second box cooperation junction establish and are equipped with first protrusion ring and second protrusion ring respectively, are equipped with corresponding through-hole on first protrusion ring and the second protrusion ring, through-hole department uses bolted connection, establishes sealed cushion in the middle of first protrusion ring and the second protrusion ring, high-speed joint is in first box and second box cooperation are connected out and are equipped with quick-operation joint, quick-operation joint comprises colluding shape piece and backing sheet, collude shape piece with the backing sheet cooperation is connected.
3. The polytropic filter of claim 2, wherein: when the first box body and the second box body are connected in a matched manner by bolts, the first box body and the second box body are rectangular or circular; when the first box body and the second box body are connected in a matched mode in a quick connection mode, the first box body and the second box body are circular in appearance.
4. The polytropic filter of claim 1, wherein: the water distributor is formed by combining at least 3 water distribution pipes and is connected with the first or second water pipes, and water distribution holes are formed in all the water distribution pipes and are downward.
5. The polytropic filter of claim 1, wherein: the filtering device is a modularized medium stack, the modularized medium stack comprises medium modules, fiber isolation layers are arranged at the upper end and the lower end of each medium module and are made of fibers, each medium module comprises a shell and a medium, and the medium is arranged in the shell.
6. The polytropic filter of claim 5, wherein: the medium is quartz sand, activated carbon or ceramsite.
7. The polytropic filter of claim 5, wherein: and a support is arranged in the second box body and used for supporting the modular medium stack.
8. The polytropic filter of claim 1, wherein: and a first gate valve is arranged on the first water pipe, and a second gate valve is arranged on the second water pipe.
9. The polytropic filter of claim 1, wherein: be equipped with the hang plate in the second box, the hang plate top forms the mud storehouse, and the mud storehouse is equipped with the blow off pipe bottom, is equipped with the third gate valve on the blow off pipe.
10. A polytropic filter according to claim 1, 2, 3, 4, 8 or 9 wherein: the filtering device is a membrane stack, the membrane stack is connected with the second water pipe, and the membrane stack is an MBR membrane or a ceramic membrane.
CN202020340777.3U 2020-03-18 2020-03-18 Changeable filter Active CN211972082U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020340777.3U CN211972082U (en) 2020-03-18 2020-03-18 Changeable filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020340777.3U CN211972082U (en) 2020-03-18 2020-03-18 Changeable filter

Publications (1)

Publication Number Publication Date
CN211972082U true CN211972082U (en) 2020-11-20

Family

ID=73394387

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020340777.3U Active CN211972082U (en) 2020-03-18 2020-03-18 Changeable filter

Country Status (1)

Country Link
CN (1) CN211972082U (en)

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