CN116159367A - Multi-layer filtering type sewage treatment equipment - Google Patents
Multi-layer filtering type sewage treatment equipment Download PDFInfo
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- CN116159367A CN116159367A CN202310445886.XA CN202310445886A CN116159367A CN 116159367 A CN116159367 A CN 116159367A CN 202310445886 A CN202310445886 A CN 202310445886A CN 116159367 A CN116159367 A CN 116159367A
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- storage box
- fixedly connected
- box
- wall
- sewage treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
- B01D33/0307—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with bag, cage, hose, tube, sleeve or the like filtering elements
- B01D33/0315—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with bag, cage, hose, tube, sleeve or the like filtering elements arranged for inward flow filtration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D33/54—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
Abstract
The invention discloses multi-layer filtering type sewage treatment equipment, which comprises a transferring part, wherein the transferring part comprises a recovery box, the outer surface of the recovery box is fixedly communicated with a discharge valve, the filtering part comprises a storage box, the bottom of the storage box is fixedly connected with the bottom of the inner wall of the recovery box through a support column, the outer surface of the storage box is fixedly communicated with a feed valve, and the inner wall of the storage box is slidably connected with a filtering piece. This multilayer filtration formula sewage treatment device can solve among the prior art effectively, contains metallic material piece in the sewage of processing part, when carrying out the clearance to sewage, the piece can plug the filter screen, causes follow-up machine equipment to purify the ability greatly reduced of handling the water source, and simultaneously, the piece of blocking on the filter screen is difficult to clear away, and then has increased the machine equipment and has cleared away the problem of cost.
Description
Technical Field
The invention relates to the technical field of sewage multistage treatment, in particular to multi-layer filtering type sewage treatment equipment.
Background
Contain metallic material piece in the sewage of processing part, when carrying out the clear away to sewage, the piece can plug the filter screen, causes follow-up machine equipment to purify the ability greatly reduced of handling the water source, and simultaneously, the piece of blocking up on the filter screen is difficult to clear away, and then has increased the cost of machine equipment clearance.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides the multi-layer filtering type sewage treatment equipment, which can effectively solve the problems that in the prior art, metal material scraps are contained in sewage of processed parts, when the sewage is cleaned, the scraps can plug a filter screen, so that the capacity of purifying a water source of subsequent machine equipment is greatly reduced, and meanwhile, scraps plugged on the filter screen are not easy to clean, so that the cleaning cost of the machine equipment is increased.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the invention provides a multi-layer filtering type sewage treatment device, which comprises:
the transfer part comprises a recovery box, and a discharge valve is fixedly communicated with the outer surface of the recovery box;
the filtering part comprises a storage box, the bottom of the storage box is fixedly connected with the bottom of the inner wall of the recovery box through a support column, a feed valve is fixedly communicated with the outer surface of the storage box, a filtering piece is slidably connected with the inner wall of the storage box, a strong spring connected with the top of the inner wall of the storage box is arranged at the top of the filtering piece, and a telescopic component for driving the filtering piece to slide back and forth is arranged at the top of the storage box;
the filter comprises a storage box, wherein the storage box is connected with the outer surface of the piston plate in a sliding way through a sliding groove formed in the inner wall of the storage box, a feeding hole is formed in the piston plate, the top of the piston plate is fixedly connected with the bottom end of a strong spring, a U-shaped pipe which is fixedly communicated with the inner part of the storage box in a sliding way is fixedly arranged on the upper surface of the piston plate, the lower surface of the piston plate is fixedly communicated with the filter box, and a plurality of groups of vibrating filters are connected in the filter box in a sliding way.
Further, the inner wall of the recovery box is fixedly connected with a filter disc, and the inside of the filter disc is fixedly connected with the outer surface of the storage box.
Further, the cleaning hole is formed in the storage box, a sealing plate tightly attached to the port of the cleaning hole is rotationally connected to the outer surface of the storage box through a sliding rail, and a tight supporting rod is connected to the inner thread of the sealing plate.
Further, the flexible subassembly includes flexible unit, flexible unit bottom and storage box top fixed connection, flexible unit's output fixedly connected with and the sealing block of feeding hole laminating mutually.
Furthermore, the upper surface of the piston plate adopts an inclined plane design, the upper surface of the piston plate is fixedly connected with a positioning rod which is in sliding connection with the inside of the sealing block, and one end, far away from the piston plate, of the U-shaped pipe is fixedly communicated with a hose.
Further, a plurality of vibration filter includes the annular plate, the annular plate lower surface is provided with the miniature spring that is connected with the rose box inner wall bottom, annular plate bottom fixed intercommunication has the hemisphere pipe with the inside sliding connection of rose box, a plurality of groups of micropores have been seted up to the sphere of hemisphere pipe, the annular plate upper surface closely laminating has the water wheel, the non-center department fixedly connected with bull stick of water wheel, the rose box inner wall bottom is installed through support and bull stick surface rotation, bull stick surface fixedly connected with impeller.
Further, the semi-seal plate is fixedly connected to the inner wall of the annular plate, the partition frame is fixedly connected to the inner wall of the hemispherical tube, and a floating ball is arranged in a space surrounded by the hemispherical tube and the partition frame.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
the invention is provided with the piston plate, the sealing block and the filter, the piston plate and the sealing block synchronously move downwards to contact sewage, and because massive metal scraps in the sewage are deposited at the bottom of the inner wall of the storage box, the piston plate and the sealing block downwards squeeze the sewage in the storage box, the sewage with the upper layer free of massive metal scraps flows into the filter box through the vibration filter (unlike the traditional filtering mode, the traditional filtering mode is that sewage flows through the filter screen, scraps are left on the filter screen, the filter screen is easily plugged, the invention adopts the pressurized sewage, the sewage flows out from the uppermost layer to avoid the interference of the deposited scraps), then the sewage is filtered through the vibration filter, and finally the sewage is filtered through the filter disc, so that the scraps in the sewage can be effectively removed after the multi-stage filtering. The sewage flows into the hemispherical tube through the pores on the vibration filter, and flows out through the pores enclosed by the semi-sealing plate and the annular plate, so that the impeller is driven to rotate, the water wheel and the rotating rod synchronously rotate, the outer surface of the rotating rod is fixedly connected with the non-center part of the water wheel, the water wheel further performs convex circular motion, the miniature spring is matched, the annular plate is repeatedly and continuously pushed to move up and down, the hemispherical tube is driven to vibrate up and down rapidly along the inside of the filter box, a small amount of chips adsorbed on the pores are continuously and automatically separated, the floating ball is matched with the vertical vibration, the chips clamped in the pores can be continuously impacted, the chips are separated from the pores, the pores are prevented from being blocked, and the trouble of manual cleaning is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic view of a three-dimensional structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a three-dimensional multi-state structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of a three-dimensional partial cross-section of a filtering portion according to an embodiment of the present invention;
FIG. 4 is a schematic view of a perspective view of a filter and telescoping assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view of a three-dimensional partial separation structure of a filter according to an embodiment of the present invention;
FIG. 6 is a schematic view of a three-dimensional structure of a vibration filter according to an embodiment of the present invention;
fig. 7 is a schematic view of a three-dimensional partial cross-section of a ring plate and hemispherical tube according to an embodiment of the present invention.
Reference numerals in the drawings represent respectively: 1. a transfer section; 11. a recovery box; 12. a discharge valve; 13. a filter tray; 2. a filtering part; 21. a storage box; 22. a feed valve; 23. a filter; 231. a piston plate; 232. a feed hole; 233. a U-shaped tube; 234. a filter box; 235. a vibration filter; 2350. a floating ball; 2351. a ring plate; 2352. a micro spring; 2353. a hemispherical tube; 2354. fine pores; 2355. a water wheel; 2356. a rotating rod; 2357. an impeller; 2358. a semi-sealing plate; 2359. a partition frame; 236. a positioning rod; 24. a strong spring; 25. a telescoping assembly; 251. a telescopic unit; 252. a sealing block; 26. cleaning the hole; 27. a sealing plate; 28. the rod is abutted tightly.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
Examples: referring to fig. 1 to 7, the present invention provides a technical solution: a multi-layered filtration type sewage treatment apparatus comprising:
the transfer part 1, the transfer part 1 comprises a recovery box 11, and a discharge valve 12 is fixedly communicated with the outer surface of the recovery box 11;
the filtering part 2 comprises a storage box 21, the bottom of the storage box 21 is fixedly connected with the bottom of the inner wall of the recovery box 11 through a support column, a feed valve 22 is fixedly communicated with the outer surface of the storage box 21, a filtering piece 23 is slidably connected with the inner wall of the storage box 21, a strong spring 24 connected with the top of the inner wall of the storage box 21 is arranged at the top of the filtering piece 23, and a telescopic component 25 for driving the filtering piece 23 to slide reciprocally is arranged at the top of the storage box 21;
the filter 23 includes a piston plate 231, the storage tank 21 is slidably connected with the outer surface of the piston plate 231 through a chute formed on the inner wall of the storage tank, a feeding hole 232 is formed inside the piston plate 231, the top of the piston plate 231 is fixedly connected with the bottom end of the strong spring 24, a U-shaped tube 233 is fixedly communicated with the upper surface of the piston plate 231 and is slidably connected with the inner portion of the storage tank 21, a filter tank 234 is fixedly communicated with the lower surface of the piston plate 231, and a plurality of groups of vibration filters 235 are slidably connected inside the filter tank 234. The sewage flows into the space enclosed by the filter element 23 and the storage box 21, after standing for a period of time, massive metal scraps in the sewage automatically settle at the bottom of the inner wall of the storage box 21, then the upper-layer sewage flows out preferentially in a pressurizing mode (the settled massive metal scraps are prevented from blocking the vibration filter 235), then the sewage is filtered by the vibration filter 235, and finally the sewage is filtered by the filter disc 13, so that scraps in the sewage can be effectively removed after multistage filtration.
The inner wall of the recovery box 11 is fixedly connected with a filter disc 13, and the inside of the filter disc 13 is fixedly connected with the outer surface of the storage box 21.
The cleaning hole 26 has been seted up to the inside storage tank 21, and the storage tank 21 surface is connected with the closing plate 27 that closely laminates with cleaning hole 26 port through the slide rail rotation, and closing plate 27 inside threaded connection has to support tight pole 28.
The telescopic assembly 25 comprises a telescopic unit 251, the bottom of the telescopic unit 251 is fixedly connected with the top of the storage box 21, and the output end of the telescopic unit 251 is fixedly connected with a sealing block 252 which is attached to the feeding hole 232.
The upper surface of the piston plate 231 adopts an inclined plane design, sewage can flow into the feeding hole 232 conveniently and rapidly, the upper surface of the piston plate 231 is fixedly connected with a positioning rod 236 which is in sliding connection with the inside of the sealing block 252, and one end of the U-shaped pipe 233, which is far away from the piston plate 231, is fixedly communicated with a hose.
The plurality of vibration filters 235 include annular plate 2351, annular plate 2351 lower surface is provided with the miniature spring 2352 that is connected with filter tank 234 inner wall bottom, annular plate 2351 bottom fixed intercommunication has the hemisphere pipe 2353 with the inside sliding connection of filter tank 234, a plurality of groups of micropores 2354 have been seted up to hemisphere pipe 2353's sphere, annular plate 2351 upper surface closely laminating has water wheels 2355, water wheels 2355's non-center department fixedly connected with bull stick 2356, locating lever 236 plays fine limiting displacement to sealing block 252's reciprocating motion, when preventing sealing block 252 to push down, sealing block 252 takes place the dislocation with feed port 232, influence the seal, filter tank 234 inner wall bottom is through support and bull stick 2356 surface rotation installation, bull stick 2356 surface fixedly connected with impeller 2357.
The inner wall of the annular plate 2351 is fixedly connected with a half sealing plate 2358, the inner wall of the hemispherical tube 2353 is fixedly connected with a separation frame 2359, and a space enclosed by the hemispherical tube 2353 and the separation frame 2359 is provided with a floating ball 2350. The sewage drives the impeller 2357 to rotate, drives the water wheel 2355 and the rotating rod 2356 to synchronously rotate, the water wheel 2355 performs convex circular motion, and is matched with the miniature spring 2352 to repeatedly and uninterruptedly push the annular plate 2351 to move up and down, so that the hemispherical tube 2353 is driven to vibrate up and down rapidly and reciprocally along the inside of the filter box 234, a small amount of chips adsorbed on the fine holes 2354 are uninterruptedly and automatically separated, and the floating ball 2350 is matched with the up-and-down vibration, so that the chips clamped in the fine holes 2354 can be continuously impacted, the chips are separated from the fine holes 2354, and the fine holes 2354 are prevented from being blocked.
Referring to fig. 1-7, the present invention is directed to a sewage treatment apparatus for treating metal-containing material scraps, which is specifically provided in the above background art, wherein scraps can plug a filter screen when the sewage is cleaned, so that the capacity of a machine apparatus for purifying a water source is greatly reduced, and at the same time, scraps plugged on the filter screen are not easy to clean, so that the problem of cost of cleaning the machine apparatus is increased.
The specific use mode can be divided into the following three stages:
in the first stage, sewage is introduced, in the initial stage, the telescopic unit 251 on the telescopic assembly 25 (the telescopic assembly 25 is preferably a hydraulic telescopic rod) drives the sealing block 252 to separate from the feeding hole 232 on the filter element 23, the sealing block 252 slides to the uppermost part of the positioning rod 236 (the positioning rod 236 performs a good limiting function on the reciprocating movement of the sealing block 252, when the sealing block 252 is prevented from being pressed down, the sealing block 252 and the feeding hole 232 are misplaced to influence sealing), meanwhile, the elasticity of the powerful spring 24 drives the filter element 23 to slide upwards to the maximum value (the powerful spring 24 is still in a slight stretching state at the moment), the sewage to be cleaned is introduced into the feeding valve 22 to flow into the storage box 21, flows into the upper surface of the piston plate 231 of the filter element 23, the upper surface of the piston plate 231 adopts an inclined plane design, the sewage is conveniently and rapidly flows into the space enclosed by the filter element 23 and the storage box 21, and after a period of standing, massive metal chips in the sewage automatically settle at the bottom of the inner wall of the storage box 21.
In the second stage, filtering sewage, start the telescopic unit 251 on the telescopic assembly 25, the telescopic unit 251 drives the sealing block 252 to move downwards, the sealing block 252 slides into the feeding hole 232, the piston plate 231 is pushed to slide downwards along the inner wall of the storage box 21 (the storage box 21 is connected with the outer surface of the piston plate 231 in a sliding way through a sliding groove arranged on the inner wall of the storage box), as the piston plate 231 slides downwards, the deformation amount generated by the powerful spring 24 is larger and larger, upward acting force is generated on the piston plate 231, so that the sealing block 252 is tightly attached and sealed with the feeding hole 232, the piston plate 231 and the sealing block 252 synchronously move downwards to contact sewage, as large metal fragments in the sewage are deposited at the bottom of the inner wall of the storage box 21, the piston plate 231 and the sealing block 252 downwards squeeze the sewage in the storage box 21, the sewage, which is not provided with large metal scraps on the upper layer, flows into the filter tank 234 through the vibration filter 235 (unlike the traditional filtering mode, the traditional filtering mode is that sewage flows through the filter screen, scraps are left on the filter screen and can easily plug the filter screen, the invention adopts pressurized sewage to enable the sewage to flow out of the uppermost layer to avoid the interference of settled scraps), flows into the U-shaped pipe 233 (the distance between a hose communicated with the outer end of the U-shaped pipe 233 and the filter disc 13 is gradually reduced along with the downward sliding of the U-shaped pipe 233 along the inside of the storage tank 21, the splashing of the sewage is reduced), flows into the recovery tank 11 after being filtered again through the filter disc 13 and flows out through the discharge valve 12, the invention firstly adopts the pressurized mode to enable the upper layer sewage to flow out preferentially (prevent the settled large metal scraps from blocking the vibration filter 235), then flows out through the filtering of the vibration filter 235, finally flows out through the filtering disc 13, the chips in the sewage can be effectively removed after the multi-stage filtration.
Anti-blocking mode of vibration filter 235 and advantages:
when the piston plate 231 and the sealing block 252 synchronously downwards pressurize sewage in the storage tank 21, the sewage flows into the hemispherical pipe 2353 through the pores 2354 on the vibration filter 235, flows out of the holes surrounded by the semi-sealing plate 2358 and the annular plate 2351, flows into the filtering box 234 and flows into the U-shaped pipe 233, as the blades of the impeller 2357 are positioned right above the holes surrounded by the semi-sealing plate 2358 and the annular plate 2351, the impeller 2357 is driven to rotate when the sewage rapidly flows through the holes surrounded by the semi-sealing plate 2358 and the annular plate 2351, the water wheel 2355 and the rotating rod 2356 are driven to synchronously rotate, the upper surface of the annular plate 2351 is tightly attached to the outer surface of the water wheel 2355, the outer surface of the rotating rod 2356 is fixedly connected with the non-center part of the water wheel 2355, the water wheel 2355 performs convex circular motion, the miniature spring 2352 is matched, the annular plate 2351 is repeatedly and continuously pushed up and down, the hemispherical pipe 2353 is driven to rapidly vibrate up and down along the inside of the filtering box 234, a small amount of adsorbed debris on the fine pore 2354 is continuously and automatically separated, the upper and lower vibration (the hemispherical pipe 2353 is matched with the upper and lower vibration of the hemispherical pipe 2353) is carried out, the fine pore 2354 is further, the fine pore 2354 is prevented from being separated from the fine hole 2354, and the fine pore 2354 is prevented from being broken, and the fine hole 2354 is kept relatively, and the fine hole 2354 is prevented from being broken.
And step three, clearing deposited scraps, namely, after multiple times of filtering, a large amount of metal scraps remain in the storage box 21, so that the metal scraps in the storage box 21 need to be cleared rapidly for convenient subsequent continuous filtering, the abutting rod 28 on the filtering part 2 is rotated to separate from the outer surface of the storage box 21, then the rotary sealing plate 27 rotates around the sliding rail on the outer surface of the storage box 21, the cleaning hole 26 is opened, and then the deposited metal scraps in the storage box 21 can be cleared rapidly.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A multi-layer filtration type sewage treatment apparatus, comprising:
the transfer part (1), the transfer part (1) comprises a recovery box (11), and a discharge valve (12) is fixedly communicated with the outer surface of the recovery box (11);
the filtering part (2), filtering part (2) includes storage box (21), storage box (21) bottom is through pillar and recovery box (11) inner wall bottom fixed connection, storage box (21) surface fixed intercommunication has feed valve (22), storage box (21) inner wall sliding connection has filter element (23), filter element (23) top is provided with powerful spring (24) that are connected with storage box (21) inner wall top, storage box (21) top is provided with telescopic assembly (25) that are used for driving filter element (23) reciprocal slip;
the filter element (23) comprises a piston plate (231), the storage box (21) is in sliding connection with the outer surface of the piston plate (231) through a sliding groove formed in the inner wall of the storage box, a feeding hole (232) is formed in the piston plate (231), the top of the piston plate (231) is fixedly connected with the bottom end of a powerful spring (24), a U-shaped pipe (233) which is in sliding connection with the inner part of the storage box (21) is fixedly communicated with the upper surface of the piston plate (231), a filter box (234) is fixedly communicated with the lower surface of the piston plate (231), and a plurality of groups of vibrating filters (235) are fixedly connected with the inner part of the filter box (234).
2. A multi-layered filtration type sewage treatment apparatus according to claim 1, wherein: the inner wall of the recovery box (11) is fixedly connected with a filter disc (13), and the inside of the filter disc (13) is fixedly connected with the outer surface of the storage box (21).
3. A multi-layered filtration type sewage treatment apparatus according to claim 1, wherein: cleaning holes (26) are formed in the storage box (21), a sealing plate (27) tightly attached to the ports of the cleaning holes (26) is rotatably connected to the outer surface of the storage box (21) through a sliding rail, and a tight supporting rod (28) is connected to the inner threads of the sealing plate (27).
4. A multi-layered filtration type sewage treatment apparatus according to claim 1, wherein: the telescopic assembly (25) comprises a telescopic unit (251), the bottom of the telescopic unit (251) is fixedly connected with the top of the storage box (21), and the output end of the telescopic unit (251) is fixedly connected with a sealing block (252) attached to the feeding hole (232).
5. The multi-layered filtration type sewage treatment apparatus according to claim 4, wherein: the upper surface of the piston plate (231) adopts an inclined plane design, the upper surface of the piston plate (231) is fixedly connected with a positioning rod (236) which is in sliding connection with the inside of the sealing block (252), and one end, far away from the piston plate (231), of the U-shaped pipe (233) is fixedly communicated with a hose.
6. A multi-layered filtration type sewage treatment apparatus according to claim 1, wherein: a plurality of vibrating filter (235) include annular plate (2351), annular plate (2351) lower surface is provided with miniature spring (2352) that are connected with rose box (234) inner wall bottom, annular plate (2351) bottom fixed intercommunication has hemisphere pipe (2353) with inside sliding connection of rose box (234), a plurality of groups of micropores (2354) have been seted up to the sphere of hemisphere pipe (2353), annular plate (2351) upper surface closely laminating has water wheels (2355), non-center department fixedly connected with bull stick (2356) of water wheels (2355), rose box (234) inner wall bottom is through support and bull stick (2356) surface rotation installation, bull stick (2356) surface fixedly connected with impeller (2357).
7. The multi-layered filtration type sewage treatment apparatus according to claim 6, wherein: semi-closing plates (2358) are fixedly connected to the inner wall of the annular plate (2351), separation frames (2359) are fixedly connected to the inner wall of the hemispherical tube (2353), and floating balls (2350) are arranged in a space surrounded by the hemispherical tube (2353) and the separation frames (2359).
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| CN202310445886.XA CN116159367B (en) | 2023-04-24 | 2023-04-24 | Multi-layer filtering type sewage treatment equipment |
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| CN202310445886.XA CN116159367B (en) | 2023-04-24 | 2023-04-24 | Multi-layer filtering type sewage treatment equipment |
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| CN112263867A (en) * | 2020-09-24 | 2021-01-26 | 谢孟江 | Sewage treatment device |
| CN113323652A (en) * | 2021-08-02 | 2021-08-31 | 东营辰鑫应用技术开发有限公司 | Oil field oil recovery well head liquid production volume metering device |
| CN218115145U (en) * | 2022-08-09 | 2022-12-23 | 武汉巨驰环保科技有限公司 | Solid-liquid separation sewage treatment device |
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