CN117466438B - Deep-bed denitrification filter - Google Patents
Deep-bed denitrification filter Download PDFInfo
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- CN117466438B CN117466438B CN202311815043.0A CN202311815043A CN117466438B CN 117466438 B CN117466438 B CN 117466438B CN 202311815043 A CN202311815043 A CN 202311815043A CN 117466438 B CN117466438 B CN 117466438B
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- fixedly connected
- filter
- wall
- pipe
- rack
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000004140 cleaning Methods 0.000 claims abstract description 27
- 239000011449 brick Substances 0.000 claims abstract description 16
- 239000006004 Quartz sand Substances 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000010813 municipal solid waste Substances 0.000 claims description 7
- 238000007790 scraping Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 abstract description 10
- 239000007787 solid Substances 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 24
- 230000000813 microbial effect Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 238000011001 backwashing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2806—Anaerobic processes using solid supports for microorganisms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a deep-bed denitrification filter, and belongs to the field of denitrification filter denitrification washing. The utility model provides a deep bed denitrification filtering pond, including the filtering pond, filtering pond middle part fixedly connected with layer board, the layer board upper end is dismantled and is connected with a plurality of filter bricks, quartz sand filtering layer has been laid to the filter brick upside, filtering pond lower extreme sliding connection has the board of taking out, filtering pond outer wall fixedly connected with transfer pipe, transfer pipe upper end fixedly connected with water pumper, the one end fixedly connected with body of keeping away from the filtering pond of transfer pipe, body middle part fixedly connected with spacing ring, body middle part fixedly connected with extension spring, extension spring upper end fixedly connected with cleaning device, body upper end outer wall fixedly connected with linkage, the one end fixedly connected with aqua storage tank of body is kept away from to the linkage can realize the response to the rivers size through the linkage, thereby control the closure of water pumper, make extension spring drive the cleaning device and carry out back flush operation to filtering pond inside suspended solid.
Description
Technical Field
The invention relates to the field of denitrification filter tank denitrification washing, in particular to a deep-bed denitrification filter tank.
Background
The denitrification filter is a biological filter with denitrification and denitrification functions, and is developed on the basis of the traditional biological filter.
When the quartz sand is used as a film-forming medium of denitrifying organisms, nitrate nitrogen is converted into nitrogen gas by the action of microorganisms to be discharged during filtration, so that the sewage denitrification operation is achieved, and suspended matters are continuously trapped to increase head loss, so that backwashing is required to remove trapped solid matters.
Because the ratio of suspended matters in sewage is different, workers cannot easily control the frequency of backwashing times, suspended matters are accumulated, the efficiency of a filter tank is reduced, or the microbial quantity is reduced due to frequent backwashing, so that the denitrification effect of sewage is reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a deep-bed denitrification filter, which can realize the induction of the water flow through a linkage device, thereby controlling the closing of a water pump and enabling a tension spring to drive a sewage cleaning device to perform back flushing operation on suspended matters in the filter.
In order to solve the problems, the invention adopts the following technical scheme.
The deep bed denitrification filter comprises a filter, wherein the middle part of the filter is fixedly connected with a supporting plate, the upper end of the supporting plate is detachably connected with a plurality of filter bricks, a quartz sand filter layer is paved on the upper side of the filter bricks, the lower end of the filter is slidably connected with a pumping plate, the outer wall of the filter is fixedly connected with a transfer pipe, and the upper end of the transfer pipe is fixedly connected with a water pump;
the device comprises a filter tank, a transfer pipe, a limiting ring, a tension spring, a cleaning device, a linkage device and a water storage tank, wherein the pipe is fixedly connected to one end of the transfer pipe, which is far away from the filter tank, the limiting ring is fixedly connected to the middle part of the pipe, the tension spring is fixedly connected to the middle part of the pipe, the cleaning device is fixedly connected to the upper end of the tension spring, the linkage device is fixedly connected to the outer wall of the upper end of the pipe, and the water storage tank is fixedly connected to one end of the linkage device, which is far away from the pipe;
the linkage comprises a water passing pipe, a first sliding rail is fixedly connected to the inner wall of the water passing pipe, a T-shaped rod is slidably connected to the middle of the first sliding rail, a first rack is fixedly connected to the lower end of the T-shaped rod, a clamping block is fixedly connected to the end portion of the first rack, a rotating rod is rotatably connected to the middle of the water passing pipe, a gear is fixedly connected to the middle of the rotating rod, two second sliding rails are fixedly connected to the inner wall of the water passing pipe, a compression spring is fixedly connected to the middle of the second sliding rail, a T-shaped block is slidably connected to the middle of the second sliding rail, a baffle plate is fixedly connected between the two T-shaped blocks, a second rack is fixedly connected to the upper end of the baffle plate, a stop block is fixedly connected to the lower end of the baffle plate, a pressure sensor is fixedly connected to the inner wall of the water passing pipe, and a water flow is sensed through the linkage, so that the water passing pipe is closed, and the tension spring drives a sewage cleaning device to perform back flushing operation on suspended matters inside.
Further, the device of decontaminating includes the cylindricality piece, cylindricality piece outer end middle part fixedly connected with rubber circle, cylindricality piece outer end lower part fixedly connected with scrapes dirty ring, the buckle hole has been seted up to cylindricality piece outer wall for the body inner wall microbial film can be scraped.
Further, the pressure sensor is electrically connected with the water pump through the controller, the stop block touches the pressure sensor, the pressure sensor transmits signals to the controller, and the controller processes the electric signals and can control the water pump to be closed.
Further, the rubber circle external diameter and body inner wall phase-match, and scrape dirty ring external diameter and body inner wall and laminate mutually to buckle hole and buckle piece phase-match, make rivers can promote the device of decontaminating rise, and scrape dirty ring can strike off the body inner wall microbial film, and the buckle piece can carry out spacingly to the device of decontaminating through the buckle hole.
Further, the first rack and the second rack are both connected with the gear in a meshed mode, the second rack can drive the first rack to move through the gear, and the stop block can act on the pressure sensor.
Further, the first slide rail and the second slide rail are U-shaped, and rectangular protruding blocks are arranged at two ends of the second slide rail, so that the T-shaped rod and the T-shaped block are not easy to separate from the first slide rail and the second slide rail, and the compression spring is not easy to separate from the middle part of the second slide rail.
Further, the limiting ring is used for limiting the trash cleaning device, and one end of the buckling block, which is far away from the first rack, is arc-shaped, so that the trash cleaning device is not easy to fall into the bottom of the pipe body.
Further, a plurality of holes are formed in the middle of the supporting plate, and the plurality of filter bricks are tightly connected, so that sewage can pass through the supporting plate, the supporting plate can support the filter bricks and the quartz sand filter layers, and the quartz sand filter layers are not easy to pass through the filter bricks.
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, the linkage device senses the water flow, so that the water pump is controlled to be closed, and the extension spring drives the sewage disposal device to perform back flushing operation on suspended matters in the filter tank;
(2) The linkage senses the flow rate of the water flow, and reacts when the flow rate of the water flow is too low;
(3) The microbial film on the inner wall of the pipe body is scraped by the cleaning device, and the scraped microbial film is removed by the drawing plate.
Drawings
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is a perspective view of the present invention in full semi-section;
FIG. 3 is a partial semi-cutaway view of a filter according to the present invention;
fig. 4 is a perspective view of the trash cleaning device of the present invention;
FIG. 5 is a semi-cutaway perspective view of the linkage of the present invention;
FIG. 6 is an exploded view of the linkage of the present invention;
fig. 7 is a front view, in full half-section, of the present invention.
The reference numerals in the figures illustrate:
1. a filter tank; 2. a supporting plate; 3. a filter brick; 4. a quartz sand filter layer; 5. drawing a plate; 6. a transfer pipe; 7. a water pump; 8. a tube body; 9. a limiting ring; 10. a tension spring; 11. a decontamination device; 1101. a cylindrical block; 1102. a rubber ring; 1103. a dirt scraping ring; 1104. a snap hole; 12. a linkage; 1201. a water passing pipe; 1202. a first slide rail; 1203. a T-bar; 1204. a first rack; 1205. a buckle block; 1206. a rotating rod; 1207. a gear; 1208. a second slide rail; 1209. a compression spring; 1210. a T-shaped block; 1211. a flow baffle; 1212. a second rack; 1213. a stop block; 1214. a pressure sensor; 13. and a water storage tank.
Detailed Description
The technical solutions in 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 is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of the element of the adapting model. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-7, a deep-bed denitrification filter comprises a filter 1, wherein a supporting plate 2 is fixedly connected to the middle part of the filter 1, a plurality of filter bricks 3 are detachably connected to the upper end of the supporting plate 2, a quartz sand filter layer 4 is paved on the upper side of the filter bricks 3, a pumping plate 5 is slidingly connected to the lower end of the filter 1, a transfer pipe 6 is fixedly connected to the outer wall of the filter 1, and a water pump 7 is fixedly connected to the upper end of the transfer pipe 6;
the middle part of the pipe body 8 is fixedly connected with an extension spring 10, the upper end of the extension spring 10 is fixedly connected with a trash cleaning device 11, the outer wall of the upper end of the pipe body 8 is fixedly connected with a linkage device 12, and the end of the linkage device 12, which is far away from the pipe body 8, is fixedly connected with a water storage tank 13;
the linkage 12 comprises a water passing pipe 1201, a first sliding rail 1202 is fixedly connected to the inner wall of the water passing pipe 1201, a T-shaped rod 1203 is slidably connected to the middle of the first sliding rail 1202, a first rack 1204 is fixedly connected to the lower end of the T-shaped rod 1203, a buckle block 1205 is fixedly connected to the end of the first rack 1204, a rotating rod 1206 is rotatably connected to the middle of the water passing pipe 1201, a gear 1207 is fixedly connected to the middle of the rotating rod 1206, two second sliding rails 1208 are fixedly connected to the inner wall of the water passing pipe 1201, a compression spring 1209 is fixedly connected to the middle of the second sliding rail 1208, a T-shaped block 1210 is slidably connected to the middle of the second sliding rail 1208, a flow blocking plate 1211 is fixedly connected to the second rack 1212 between the two T-shaped blocks 1210, a stop block 1213 is fixedly connected to the lower end of the flow blocking plate 1211, and a pressure sensor 1214 is fixedly connected to the inner wall of the water passing pipe 1201.
Referring to fig. 2-6, the cleaning device 11 includes a cylindrical block 1101, a rubber ring 1102 is fixedly connected to the middle of the outer end of the cylindrical block 1101, a cleaning ring 1103 is fixedly connected to the lower portion of the outer end of the cylindrical block 1101, and a fastening hole 1104 is formed in the outer wall of the cylindrical block 1101, so that a microbial film on the inner wall of the pipe body 8 can be scraped. The pressure sensor 1214 is electrically connected with the water pump 7 through the controller, the stop 1213 touches the pressure sensor 1214, the pressure sensor 1214 transmits signals to the controller, and the controller processes the electrical signals and can control the water pump 7 to be closed.
Referring to fig. 4-5, the outer diameter of the rubber ring 1102 is matched with the inner wall of the pipe body 8, the outer diameter of the dirt scraping ring 1103 is attached to the inner wall of the pipe body 8, and the fastening holes 1104 are matched with the fastening blocks 1205, so that the water flow can push the dirt cleaning device 11 to rise, the dirt scraping ring 1103 can scrape off the microbial film on the inner wall of the pipe body 8, and the fastening blocks 1205 can limit the dirt cleaning device 11 through the fastening holes 1104. The first rack 1204 and the second rack 1212 are both in meshed connection with the gear 1207, and the second rack 1212 can drive the first rack 1204 to move through the gear 1207. The first sliding rail 1202 and the second sliding rail 1208 are U-shaped, and rectangular protruding blocks are arranged at two ends of the second sliding rail 1208, so that the T-shaped rod 1203 and the T-shaped block 1210 are not easy to separate from the first sliding rail 1202 and the second sliding rail 1208, and the compression spring 1209 is not easy to separate from the middle of the second sliding rail 1208.
Referring to fig. 5-6, the limiting ring 9 limits the dirt cleaning device 11, and one end of the fastening block 1205, which is far away from the first rack 1204, is arc-shaped, so that the dirt cleaning device 11 is not easy to fall into the bottom of the pipe body 8. A plurality of holes have been seted up at layer board 2 middle part, and the zonulae occludens between a plurality of filter blocks 3 for sewage can pass through layer board 2, and layer board 2 can support filter block 3 and quartz sand filter layer 4, and quartz sand filter layer 4 is difficult for leading to filter block 3.
When the filter tank 1 works, water flow is pumped into the pipe body 8 by the water pump 7 from the filter tank 1 through the transfer pipe 6, sewage is purified through denitrification treatment of the quartz sand filter layer 4 and filtering action of the filter bricks 3, the purified sewage flows into the pipe body 8 to lift the sewage cleaning device 11 upwards, the purified sewage flows through the water pipe 1201, the water flow pushes the flow baffle 1211 to move rightwards, the flow baffle 1211 drives the second rack 1212 to move rightwards, the second rack 1212 drives the gear 1207 to rotate, the gear 1207 drives the first rack 1204 to move leftwards, the first rack 1204 drives the buckling blocks 1205 to move leftwards and be inserted into the buckling holes 1104, the sewage cleaning device 11 is limited by the buckling blocks 1205, at the moment, the water pump 7 does not need additional power to overcome the tension of the extension spring 10 and the gravity of the sewage cleaning device 11, and the sewage after denitrification treatment flows into the water storage tank 13 through the linkage 12;
when sediment on the surfaces of the quartz sand filter layer 4 and the filter bricks 3 is excessive, the pumping efficiency of the water pump 7 is reduced, the water flow speed through the water pipe 1201 is reduced, the pressure exerted by the water flow on the baffle 1211 is reduced, under the action of the compression spring 1209, the baffle 1211 moves leftwards, the first rack 1204 is driven by the gear 1207 to move rightwards by the baffle 1211, the blocking block 1205 does not limit the sewage cleaning device 11 any more, when the blocking block 1213 touches the pressure sensor 1214, the pressure sensor 1214 transmits signals to a controller (not shown in the figure), after the controller processes the signals, the water pump 7 can be controlled to be closed, the sewage cleaning device 11 moves downwards under the action of the extension spring 10, the water flow is squeezed back into the filter tank 1 by the sewage cleaning device 11, the residual microbial film on the inner wall of the pipe 8 is scraped by the sewage scraping ring 1103, the scraped microbial film enters the filter tank 1 along with the water flow, the scraped microbial film is blocked by the supporting plate 2 and the filter bricks 3 to fall into the sewage suction plate 5, after the sewage is completely processed, the sewage is pumped out of the filter tank 1, and the interior of the filter tank 1 is again cleaned by the sewage suction plate 5, and the interior of the filter tank 1 is again waiting for the nitrification operation is carried out, and the sewage is again in the filter tank 1. The water flow is sensed by the linkage device 12, so that the water pump 7 is controlled to be closed, and the extension spring 10 drives the cleaning device 11 to perform back flushing operation on suspended matters in the filter tank 1.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (8)
1. The deep bed denitrification filter comprises a filter (1) and is characterized in that: the filter is characterized in that a supporting plate (2) is fixedly connected to the middle of the filter tank (1), a plurality of filter bricks (3) are detachably connected to the upper end of the supporting plate (2), a quartz sand filter layer (4) is paved on the upper side of the filter bricks (3), a pumping plate (5) is slidably connected to the lower end of the filter tank (1), a transfer pipe (6) is fixedly connected to the outer wall of the filter tank (1), and a water pump (7) is fixedly connected to the upper end of the transfer pipe (6);
the device comprises a filter tank (1), a transfer pipe (6), a pipe body (8) and a limiting ring (9), wherein the pipe body (8) is fixedly connected to one end of the transfer pipe (6) far away from the filter tank (1), a tension spring (10) is fixedly connected to the middle of the pipe body (8), a trash cleaning device (11) is fixedly connected to the upper end of the tension spring (10), a linkage device (12) is fixedly connected to the outer wall of the upper end of the pipe body (8), and a water storage tank (13) is fixedly connected to one end of the linkage device (12) far away from the pipe body (8);
the linkage device (12) comprises a water passing pipe (1201), a first sliding rail (1202) is fixedly connected to the inner wall of the water passing pipe (1201), a T-shaped rod (1203) is slidably connected to the middle of the first sliding rail (1202), a first rack (1204) is fixedly connected to the lower end of the T-shaped rod (1203), a clamping block (1205) is fixedly connected to the end of the first rack (1204), a rotating rod (1206) is rotatably connected to the middle of the water passing pipe (1201), a gear (1207) is fixedly connected to the middle of the rotating rod (1206), two second sliding rails (1208) are fixedly connected to the inner wall of the water passing pipe (1201), a compression spring (1209) is fixedly connected to the middle of the second sliding rail (1208), a T-shaped block (1210) is slidably connected to the middle of the second sliding rail, a flow blocking plate (1211) is fixedly connected to the upper end of the second rack (1212), a stop block (1213) is fixedly connected to the lower end of the water passing plate (1211), and a pressure sensor (1214) is fixedly connected to the inner wall of the water passing pipe (1201).
2. The deep bed denitrification filter according to claim 1, wherein: the trash cleaning device (11) comprises a cylindrical block (1101), a rubber ring (1102) is fixedly connected to the middle of the outer end of the cylindrical block (1101), a trash scraping ring (1103) is fixedly connected to the lower portion of the outer end of the cylindrical block (1101), and a buckling hole (1104) is formed in the outer wall of the cylindrical block (1101).
3. The deep bed denitrification filter according to claim 1, wherein: the pressure sensor (1214) is electrically connected with the water pump (7) through a controller.
4. A deep bed denitrification filter as claimed in claim 2, wherein: the outer diameter of the rubber ring (1102) is matched with the inner wall of the pipe body (8), the outer diameter of the dirt scraping ring (1103) is attached to the inner wall of the pipe body (8), and the fastening holes (1104) are matched with the fastening blocks (1205).
5. The deep bed denitrification filter according to claim 1, wherein: the first rack (1204) and the second rack (1212) are both in meshed connection with the gear (1207).
6. The deep bed denitrification filter according to claim 1, wherein: the first sliding rail (1202) and the second sliding rail (1208) are U-shaped, and rectangular protruding blocks are arranged at two ends of the second sliding rail (1208).
7. The deep bed denitrification filter according to claim 1, wherein: the limiting ring (9) limits the dirt cleaning device (11), and one end of the clamping block (1205) far away from the first rack (1204) is arc-shaped.
8. The deep bed denitrification filter according to claim 1, wherein: the middle part of the supporting plate (2) is provided with a plurality of holes, and a plurality of filter bricks (3) are tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311815043.0A CN117466438B (en) | 2023-12-27 | 2023-12-27 | Deep-bed denitrification filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311815043.0A CN117466438B (en) | 2023-12-27 | 2023-12-27 | Deep-bed denitrification filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117466438A CN117466438A (en) | 2024-01-30 |
| CN117466438B true CN117466438B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311815043.0A Active CN117466438B (en) | 2023-12-27 | 2023-12-27 | Deep-bed denitrification filter |
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| CN (1) | CN117466438B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010090551A1 (en) * | 2009-02-04 | 2010-08-12 | Kolesnikov Vladimir Petrovich | Plant for biochemically treating wastewater |
| AU2012203884A1 (en) * | 2006-10-12 | 2012-07-19 | Bruce D. Burrows | Drainless reserve osmosis water purification system |
| CN105217813A (en) * | 2015-10-02 | 2016-01-06 | 成都倍加特生物科技有限公司 | A kind of water-purifying machine and making method with inverse flushing pollution discharge function |
| CN214653892U (en) * | 2021-02-25 | 2021-11-09 | 中科膜科技(广州)有限公司 | Filter backwashing equipment |
| CN217838664U (en) * | 2022-08-20 | 2022-11-18 | 惠州胜狮能源装备有限公司 | Water isolation component |
| CN116534994A (en) * | 2023-05-11 | 2023-08-04 | 皖创环保股份有限公司 | Sewage treatment system of denitrification deep bed filter |
-
2023
- 2023-12-27 CN CN202311815043.0A patent/CN117466438B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2012203884A1 (en) * | 2006-10-12 | 2012-07-19 | Bruce D. Burrows | Drainless reserve osmosis water purification system |
| WO2010090551A1 (en) * | 2009-02-04 | 2010-08-12 | Kolesnikov Vladimir Petrovich | Plant for biochemically treating wastewater |
| CN105217813A (en) * | 2015-10-02 | 2016-01-06 | 成都倍加特生物科技有限公司 | A kind of water-purifying machine and making method with inverse flushing pollution discharge function |
| CN214653892U (en) * | 2021-02-25 | 2021-11-09 | 中科膜科技(广州)有限公司 | Filter backwashing equipment |
| CN217838664U (en) * | 2022-08-20 | 2022-11-18 | 惠州胜狮能源装备有限公司 | Water isolation component |
| CN116534994A (en) * | 2023-05-11 | 2023-08-04 | 皖创环保股份有限公司 | Sewage treatment system of denitrification deep bed filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117466438A (en) | 2024-01-30 |
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