CN211946438U - Device for treating nitrified water - Google Patents
Device for treating nitrified water Download PDFInfo
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- CN211946438U CN211946438U CN202020440496.5U CN202020440496U CN211946438U CN 211946438 U CN211946438 U CN 211946438U CN 202020440496 U CN202020440496 U CN 202020440496U CN 211946438 U CN211946438 U CN 211946438U
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- 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 utility model discloses a nitrified water treatment device, which comprises a treatment tank, wherein the treatment tank sequentially comprises an aeration zone, a filling zone and a water outlet zone from bottom to top; a water distribution pipe and an air distribution pipe are arranged in the aeration zone, and the water distribution pipe is arranged above the air distribution pipe; the water distribution pipe is provided with a water inlet and is provided with water distribution holes which penetrate through the water distribution pipe up and down; the air distribution pipe is provided with an air inlet and an aeration head; a second pore plate is arranged at the top of the filling area, a first pore plate capable of sliding along the vertical direction is horizontally arranged in the filling area below the second pore plate, and a filling material is arranged between the first pore plate and the second pore plate; the utility model discloses can make waste water can carry out more abundant nitration in the filler district, avoid packing long-term operation to take place to block up, the setting up of gas distribution pipe and water distributor makes pending waste water obtain more abundant aeration effect in the box, maintains sufficient dissolved oxygen concentration, and then improves follow-up nitration effect in the filler district.
Description
Technical Field
The utility model relates to a sewage treatment technical field, more specifically say, relate to a be used for nitrifying water treatment facilities.
Background
With the rapid development of industrial and agricultural production and the continuous improvement of the living standard of people, the consumption of various resources is rapidly increased, the water body environmental pollution is increasingly intensified, and the nitrogen pollution is highlighted as a main problem of the water body pollution. Biological denitrification plants are used efficiently because of their economy and efficiency. The nitrification process is a treatment method for realizing sewage denitrification by utilizing nitrifying bacteria to oxidize ammonia in the wastewater into nitrate in an aerobic environment.
At present, a biological sewage nitrification treatment device widely applied, such as a BAF biological aerated filter, needs to put nitrifying bacteria and biological fillers into a biochemical pool device to form a biological film, meanwhile, in order to keep the concentration of dissolved oxygen in the biochemical pool to provide a good growth environment for the nitrifying bacteria, the treated sewage is discharged, and sludge enters the next process stage after being precipitated by a precipitation pool. However, the conventional nitrification treatment apparatus has problems in the treatment process, on one hand, the contact between the wastewater and the nitrifying bacteria is insufficient, so that the wastewater is difficult to be purified by the sufficient nitrification reaction, and on the other hand, the wastewater is difficult to be sufficiently contacted with the dissolved oxygen in the nitrification treatment process, so that the effective progress of the nitrification reaction is limited.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
An object of the utility model is to nitrify the technical problem that waste water nitrifies and is difficult to the abundant reaction among the water treatment process to prior art, provide one kind and be used for nitrifying water treatment facilities, realize the effective extrusion to the filler through setting up of movable orifice plate, the reasonable setting of bottom water distribution gas distribution realizes nitrifying the abundant of waste water in addition.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model relates to a nitrified water treatment device, which comprises a treatment tank, wherein the treatment tank sequentially comprises an aeration zone, a filling zone and a water outlet zone from bottom to top; a water distribution pipe and an air distribution pipe are arranged in the aeration zone, and the water distribution pipe is arranged above the air distribution pipe; the water distribution pipe is provided with a water inlet and is provided with water distribution holes which penetrate through the water distribution pipe up and down; the air distribution pipe is provided with an air inlet and an aeration head; a second pore plate is arranged at the top of the filling area, a first pore plate capable of sliding along the vertical direction is horizontally arranged in the filling area below the second pore plate, and a filling material is arranged between the first pore plate and the second pore plate; the water outlet area is provided with a water outlet.
Preferably, the water distribution pipe comprises a main water distribution pipe and branch water distribution pipes, at least one end of the main water distribution pipe is provided with a water inlet, the side part of the main water distribution pipe is provided with a plurality of branch water distribution pipes in an arrayed manner, and the branch water distribution pipes are provided with water distribution holes which penetrate through the branch water distribution pipes from top to bottom; the air distribution pipe comprises an air distribution main pipe and air distribution branch pipes, an air inlet is formed in at least one end of the air distribution main pipe, a plurality of air distribution branch pipes are arranged on the side portion of the air distribution main pipe, and aeration heads are arranged on the air distribution branch pipes.
Preferably, the diameter of the air outlet of the aeration head is phi 0.8-1.2 mm.
Preferably, the setting density of the aeration head is 25-75 pieces/m2。
Preferably, the end part of the water main pipe far away from the water inlet of the water distribution main pipe, the end part of the air main pipe far away from the air inlet of the air distribution main pipe, and the end parts of the water distribution branch pipe and/or the air distribution branch pipe are arranged in a sealing way.
Preferably, the top and/or bottom of the packing area is provided with a perforated plate that can slide up and down.
Preferably, a top supporting platform is arranged at the top of the treatment pool, a pore plate driving mechanism is installed on the top supporting platform and connected with the first pore plate, and the pore plate driving mechanism is used for driving the first pore plate to ascend or descend.
Preferably, the orifice plate driving mechanism comprises a motor, a speed reducer, a transmission shaft, a winch and a traction piece, wherein the motor is connected with the speed reducer, the power output end of the speed reducer is connected with the winch through the transmission shaft, the winch is provided with the traction piece, and the other end of the traction piece is connected with the first orifice plate; or the orifice plate driving mechanism comprises a motor, a speed reducer, a transmission gear and a traction piece; the motor is connected with the speed reducer, the power output end of the speed reducer is connected with the traction piece through the transmission gear, the traction piece is a rack capable of sliding up and down, and the bottom end of the rack is connected with the first pore plate.
Preferably, the orifice plate driving mechanism further comprises a pulley, and the traction piece on the winch is connected with the first orifice plate through the pulley.
Preferably, when the first orifice plate is farthest away from the second orifice plate, the filler accounts for 90-100% of the volume between the first orifice plate and the second orifice plate.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following apparent effect:
(1) the utility model relates to a nitrified water treatment device, which comprises a treatment tank, wherein the treatment tank sequentially comprises an aeration zone, a filling zone and a water outlet zone from bottom to top; a water distribution pipe and an air distribution pipe are arranged in the aeration zone, and the water distribution pipe is arranged above the air distribution pipe; the water distribution pipe is provided with a water inlet and is provided with water distribution holes which penetrate through the water distribution pipe up and down; the air distribution pipe is provided with an air inlet and an aeration head; a second pore plate is arranged at the top of the filling area, a first pore plate capable of sliding along the vertical direction is horizontally arranged in the filling area below the second pore plate, and a filling material is arranged between the first pore plate and the second pore plate; the water outlet area is provided with a water outlet; sewage enters the treatment tank through the water distribution pipe, the air distribution pipe arranged below the water distribution pipe aerates upwards, the sewage is adsorbed by the filler in the filler area, and the filler is extruded by the first pore plate and the second pore plate, so that nitrobacteria, sludge, sewage and airflow in the filler are uniformly distributed again on the surface layer of the filler, and the reaction efficiency is improved; in addition, the air distribution pipes and the water distribution pipes which are arranged up and down have good aeration effect, and the content of dissolved oxygen in the sewage is improved, so that the wastewater is fully subjected to nitration reaction for purification.
(2) The utility model relates to a nitrified water treatment device, the top and/or the bottom of a filling area is provided with a pore plate which can slide up and down; preferably, a first orifice plate which can slide along the vertical direction is horizontally arranged in the filling area; a second pore plate is arranged at the joint of the water outlet zone and the filling zone, and filling is arranged in the filling zone between the first pore plate and the second pore plate; a top supporting platform is arranged at the top of the treatment pool, a pore plate driving mechanism is mounted on the top supporting platform and connected with the first pore plate, and the pore plate driving mechanism is used for driving the first pore plate to ascend or descend; improve waste water and nitrobacteria's contact to when needs extrude the demoulding to the filler, the first orifice plate of orifice plate actuating mechanism drive rises, makes first orifice plate and second orifice plate extrude the demoulding to the filler, and the first orifice plate of orifice plate actuating mechanism drive descends after the demoulding, and the mud or the biomembrane in the filler can discharge through first orifice plate after the extrusion, avoids filler long-term operation to take place to block up.
Drawings
FIG. 1 is a schematic structural view of a nitrified water treatment device of the present invention;
FIG. 2 is a top view of an aeration zone of a nitrified water treatment apparatus according to the present invention;
FIG. 3 is a top view of the filling and extruding apparatus of the present invention;
fig. 4 is the utility model discloses in the filler extrusion device adopt the towed structure schematic diagram of rack.
The reference numerals in the schematic drawings illustrate:
1. a treatment tank; 2. a top support table; 3. a motor; 4. a speed reducer; 5. a drive shaft; 6. a diverter; 7. a winch; 9. a water outlet; 10. a cover plate; 11. a first orifice plate; 13. a roller bracket; 14. a traction member; 15. a filler; 16. a pulley; 17. a rubber baffle; 18. a second orifice plate; 19. a transmission gear; 20. a rack;
21. an aeration zone; 22. a gas distribution main pipe; 221. an air inlet; 222. the end part of the air main pipe; 23. a water distribution main pipe; 231. a water inlet; 232. the end part of the water main pipe; 24. a gas distribution branch pipe; 25. an aeration head; 26. water distribution holes; 27. a water distribution branch pipe; 271. the end of the branch pipe.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like, referred to in the present specification, are used for clarity of description only, and are not used to limit the implementable scope, and changes or adjustments of the relative relationship thereof are also regarded as the implementable scope of the present invention without substantial changes in the technical content; in addition, the embodiments of the present invention are not independent of each other, but can be combined.
Example 1
As shown in fig. 1-2, the nitrified water treatment device of the present embodiment includes a treatment tank 1, and the treatment tank 1 includes an aeration zone 21, a filler zone and a water outlet zone from bottom to top; a water distribution pipe and an air distribution pipe are arranged in the aeration zone 21, and the water distribution pipe is arranged above the air distribution pipe; the water distribution pipe is provided with a water inlet 231 and is connected with an external sewage source through a pipeline, and wastewater to be treated enters the water distribution pipe through the water inlet 231; the gas distribution pipe is provided with a gas inlet 221, aeration gas is pumped into the gas distribution pipe outside the device through a gas pump, and the gas distribution pipeAn aeration head 25 is arranged on the aerator, the aeration direction of the aeration head 25 is upward, the air outlet diameter of the aeration head 25 is phi 0.8-phi 1.2mm, and the air is aerated upward through the aeration head 25; in this embodiment, the water distribution pipes include a main water distribution pipe 23 and branch water distribution pipes 27, at least one end of the main water distribution pipe 23 is provided with a water inlet 231, the side of the main water distribution pipe 23 is provided with a plurality of branch water distribution pipes 27, and the branch water distribution pipes 27 are provided with water distribution holes 26 which penetrate through the main water distribution pipe 27 from top to bottom; the air distribution pipe comprises an air distribution main pipe 22 and air distribution branch pipes 24, at least one end of the air distribution main pipe 22 is provided with an air inlet 221, the side part of the air distribution main pipe 22 is provided with a plurality of air distribution branch pipes 24 in an arrayed manner, and the air distribution branch pipes 24 are provided with aeration heads 25; the setting density of the aeration head 25 is 25-75 pieces/m2. The gas impacts the sewage flowing out of the upper water distribution holes 26 through the aeration heads 25, so that the sewage is fully aerated on one hand, and kinetic energy is further provided for the upward movement of the sewage on the other hand.
In addition, the end part of the main water pipe 232 of the main water distribution pipe 23 far away from the water inlet 231, the end part of the main air pipe 222 of the main air distribution pipe 22 far away from the air inlet 221, and the end parts of the branch water distribution pipes 27 and/or the branch air distribution pipes 24 are arranged in a sealing way; avoiding the loss of kinetic energy in the water distribution or aeration process.
After the wastewater or sewage enters the treatment tank 1 through the water distribution pipe, a filler 15 is arranged in a filler area of the treatment tank 1, and a water outlet 9 is arranged in a water outlet area; when the sewage rises to the water outlet area, the water outlet area is provided with a water outlet 9, and the sewage is discharged from the water outlet area through the water outlet 9. The filler region is internally provided with the filler 15, and in the process that sewage flows from the water inlet region to the water outlet region, the sewage can pass through the filler region, and at the moment, the biological film in the filler 15 in the filler region can carry out sufficient nitration reaction on the sewage to purify the sewage.
In order to realize that the filler 15 can carry out full nitration reaction and obtain effective desorption on the wastewater, a first pore plate 11 which can slide along the vertical direction is horizontally arranged in the filler area; a second pore plate 18 is arranged at the joint of the water outlet area and the filling area, the filling material 15 is arranged in the filling area between the first pore plate 11 and the second pore plate 18, and when the first pore plate 11 is farthest away from the second pore plate 18, the volume of the filling material 15 between the first pore plate 11 and the second pore plate 18 accounts for 90-100%; when the filler 15 needs to be extruded and stripped, the first pore plate 11 rises to enable the first pore plate 11 and the second pore plate 18 to extrude and strip the filler, the first pore plate 11 descends after stripping, the extruded filler moves downwards under the action of gravity, and the extruded filler is dispersed under the impact action of water flow from bottom to top in the moving process, so that the phenomenon of filler blockage after extrusion is avoided; meanwhile, the filler is fully contacted and adsorbed with the sewage, so that the sewage treatment effect of the filler is improved. The first pore plate 11 and/or the second pore plate 18 are/is an open pore grid plate and/or a steel wire mesh and/or a grid pore plate, the pore size of the first pore plate and/or the second pore plate is smaller than the size of the filler in the filler area, and the sewage can be ensured to pass through but the filler 15 is blocked, so that the material running phenomenon is avoided.
The top of the treatment tank 1 is provided with a top support platform 2, and the top support platform 2 is a cover plate and/or a support frame, such as a cover plate 10 in fig. 1, which plays a supporting role. The top supporting table 2 is provided with a pore plate driving mechanism, the pore plate driving mechanism is connected with the first pore plate 11, and the pore plate driving mechanism is used for driving the first pore plate 11 to ascend or descend.
Specifically, in this embodiment, the orifice plate driving mechanism includes a motor 3, a speed reducer 4, a transmission shaft 5 and a winch 7, wherein the motor 3 is connected to the speed reducer 4, a power output end of the speed reducer 4 is connected to the winch 7 through the transmission shaft 5, the winch 7 is provided with a traction member 14, the traction member 14 penetrates through a second orifice plate 18, a bottom end of the traction member 14 is connected to a first orifice plate 11, and the traction member 14 can achieve a traction function, in this embodiment, in order to be used in cooperation with the winch 7, the traction member 14 is preferably flexible, and the traction member 14 can be a steel wire rope and/or a chain; when the filler 15 needs to be extruded and subjected to demoulding, the motor 3 provides power, the winch 7 is driven to rotate through the speed reducer 4, the winch 7 rounds the traction piece 14, so that the first orifice plate 11 rises, and the filler 15 between the first orifice plate 11 and the second orifice plate 18 is extruded to be subjected to demoulding; similarly, when the squeezing of the filler 15 is stopped, the motor 3 rotates in the reverse direction, releasing the traction member 14 previously wound on the winding machine 7, and the first perforated plate 11 moves downward by gravity, so that the squeezing of the filler 15 is released. In order to improve the stability of pulling the first orifice plate 11, the pulling member 14 needs to pull the first orifice plate 11 from a position close to the edge as much as possible, and the orifice plate driving mechanism further includes a pulley 16, the pulling member 14 on the winch 7 is connected to the first orifice plate 11 through the pulley 16, and the pulley 16 can adjust the falling position of the pulling member 14 to a position corresponding to the position close to the edge of the first orifice plate 11.
In this embodiment, as shown in fig. 3, 4 windlasses 7 are provided, and are uniformly distributed on the top support table 2 in 2 rows and 2 columns, and the uniform distribution is favorable for stably pulling and lifting the first orifice plate 11; the traction pieces 14 on the 4 windlasses 7 are respectively connected with the first orifice plate 11 vertically downwards; the two sides of the speed reducer 4 are provided with steering gears 6 for steering the power direction of the speed reducer 4, the power output end of the speed reducer 4 is connected with the two steering gears 6 through a transmission shaft 5, the two sides of the steering gears 6 are provided with windlasses 7, and the power output end of the steering gears 6 is connected with the windlasses 7 through the transmission shaft 5; through the arrangement, 4 windlasses 7 can synchronously rotate, so that the pulling and pulling of 4 pulling pieces 14 can be synchronously carried out, and the stability of the first pore plate 11 in the lifting process is ensured.
The second pore plate 18 is arranged below the top supporting platform 2, a connecting frame and/or a connecting plate are arranged on the top supporting platform 2, and the bottom surface of the top supporting platform 2 is connected with the top surface of the second pore plate 18 through the connecting frame and/or the connecting plate; in addition, in the embodiment, the wall of the treatment tank 1 around the second orifice plate 18 is provided with a rubber baffle 17, and the rubber baffle 17 covers the gap between the second orifice plate 18 and the wall of the treatment tank 1; this arrangement effectively avoids spillage of the filler material at the periphery of the second foraminous plate 18.
Example 2
The present embodiment is substantially the same as embodiment 1, as shown in fig. 4, except that the orifice plate driving mechanism includes a motor, a reducer, a transmission gear 19 and a traction member; the motor is connected with the speed reducer, the power output end of the speed reducer is connected with the traction piece through the transmission gear 19, the transmission gear 19 can be a gear set, the traction piece is a rack 20 capable of sliding up and down, and the rack 20 is matched with the transmission gear 19; the rack 20 is connected at its lower end to the first orifice plate 11. When the filler 15 needs to be extruded and stripped, the motor provides power, the transmission gear 19 is driven to rotate through the speed reducer, the transmission gear 19 drives the rack 20 to move upwards, and the rack 20 drives the first pore plate 11 to move upwards, so that the filler 15 is extruded and stripped. Similarly, when the packing 15 stops squeezing, the motor rotates in reverse, and the driving rack 20 drives the first orifice plate 11 to move downward, so that squeezing of the packing 15 is released.
The invention has been described above in detail with reference to specific exemplary embodiments. It will, however, be understood that various modifications and changes may be made without departing from the scope of the invention as defined by the appended claims. The detailed description and drawings are to be regarded as illustrative rather than restrictive, and any such modifications and variations are intended to be included within the scope of the present invention as described herein. Furthermore, the background is intended to illustrate the present state of the art and the meaning of the present development and is not intended to limit the present invention or the present application and the field of application of the present invention.
More specifically, although exemplary embodiments of the invention have been described herein, the invention is not limited to these embodiments, but includes any and all embodiments modified, omitted, such as combinations between various embodiments, adapted changes and/or substitutions as would be recognized by those skilled in the art from the foregoing detailed description. The limitations in the claims are to be interpreted broadly based the language employed in the claims and not limited to examples described in the foregoing detailed description or during the prosecution of the application, which examples are to be construed as non-exclusive. Any steps recited in any method or process claims may be executed in any order and are not limited to the order presented in the claims. The scope of the invention should, therefore, be determined only by the appended claims and their legal equivalents, rather than by the descriptions and examples given above.
Claims (10)
1. A device for treating nitrified water is characterized by comprising a treatment tank (1), wherein the treatment tank (1) sequentially comprises an aeration zone (21), a filler zone and a water outlet zone from bottom to top; a water distribution pipe and an air distribution pipe are arranged in the aeration zone (21), and the water distribution pipe is arranged above the air distribution pipe; a water inlet (231) is arranged on the water distribution pipe, and a water distribution hole (26) which penetrates through the water distribution pipe up and down is arranged on the water distribution pipe; the air distribution pipe is provided with an air inlet (221) and an aeration head (25); a second pore plate (18) is arranged at the top of the packing area, a first pore plate (11) which can slide along the vertical direction is horizontally arranged in the packing area below the second pore plate (18), and a packing (15) is arranged between the first pore plate (11) and the second pore plate (18); the water outlet area is provided with a water outlet (9).
2. The nitrified water treatment device according to claim 1, wherein the water distribution pipes comprise a main water distribution pipe (23) and branch water distribution pipes (27), at least one end of the main water distribution pipe (23) is provided with a water inlet (231), the side of the main water distribution pipe (23) is provided with a plurality of branch water distribution pipes (27), and the branch water distribution pipes (27) are provided with water distribution holes (26) which penetrate through the main water distribution pipe from top to bottom; the air distribution pipe comprises an air distribution main pipe (22) and air distribution branch pipes (24), at least one end of the air distribution main pipe (22) is provided with an air inlet (221), the side part of the air distribution main pipe (22) is provided with a plurality of air distribution branch pipes (24) in an arrayed manner, and the air distribution branch pipes (24) are provided with aeration heads (25).
3. The nitrified water treatment device according to claim 1, wherein the diameter of the outlet gas of the aeration head (25) is phi 0.8-1.2 mm.
4. The nitrified water treatment device according to claim 1, wherein the aeration head (25) is provided at a density of 25 to 75 particles/m2。
5. The nitrified water treatment device according to claim 2, wherein the end of the main water distribution pipe (23) far from the water inlet (231) is sealed at the end (232) of the main gas distribution pipe (22) far from the gas inlet (221) at the end (222) of the main gas distribution pipe and the end of the branch water distribution pipe (27) and/or the branch gas distribution pipe (24).
6. The apparatus for treating nitrified water according to claim 1, wherein the top and/or bottom of the packed region is provided with a perforated plate which can slide up and down.
7. The nitrified water treatment device according to claim 6, wherein a top support platform (2) is arranged on the top of the treatment pool (1), a pore plate driving mechanism is arranged on the top support platform (2), the pore plate driving mechanism is connected with the first pore plate (11), and the pore plate driving mechanism is used for driving the first pore plate (11) to ascend or descend.
8. The device for treating the nitrified water according to claim 7, wherein the orifice plate driving mechanism comprises a motor (3), a speed reducer (4), a transmission shaft (5), a winch (7) and a traction piece (14), wherein the motor (3) is connected with the speed reducer (4), the power output end of the speed reducer (4) is connected with the winch (7) through the transmission shaft (5), the winch (7) is provided with the traction piece (14), and the other end of the traction piece (14) is connected with the first orifice plate (11); or
The orifice plate driving mechanism comprises a motor, a speed reducer, a transmission gear (19) and a traction piece; the motor is connected with the speed reducer, the power output end of the speed reducer is connected with the traction piece through a transmission gear (19), the traction piece is a rack (20) capable of sliding up and down, and the bottom end of the rack (20) is connected with the first pore plate (11).
9. The apparatus for treating nitrified water according to claim 8, wherein the orifice plate driving mechanism further comprises a pulley (16), and the traction member (14) of the hoist (7) is connected to the first orifice plate (11) through the pulley (16).
10. The apparatus for treating nitrified water according to any one of claims 7 to 9, wherein the packing (15) occupies 90 to 100% of the volume between the first orifice plate (11) and the second orifice plate (18) when the first orifice plate (11) is farthest from the second orifice plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020440496.5U CN211946438U (en) | 2020-03-30 | 2020-03-30 | Device for treating nitrified water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020440496.5U CN211946438U (en) | 2020-03-30 | 2020-03-30 | Device for treating nitrified water |
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| CN211946438U true CN211946438U (en) | 2020-11-17 |
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| CN202020440496.5U Active CN211946438U (en) | 2020-03-30 | 2020-03-30 | Device for treating nitrified water |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349155A (en) * | 2022-01-27 | 2022-04-15 | 苏州市苏创环境科技发展有限公司 | Biological filter equipment and backwashing process thereof |
| CN114644393A (en) * | 2022-02-17 | 2022-06-21 | 华中农业大学 | Sewage COD purification device and purification method |
| CN114656034A (en) * | 2022-02-17 | 2022-06-24 | 华中农业大学 | Biological denitrification device and denitrification process |
| CN115304154A (en) * | 2022-02-22 | 2022-11-08 | 北京中持碧泽环境技术有限责任公司 | Denitrification unit and control method thereof |
-
2020
- 2020-03-30 CN CN202020440496.5U patent/CN211946438U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349155A (en) * | 2022-01-27 | 2022-04-15 | 苏州市苏创环境科技发展有限公司 | Biological filter equipment and backwashing process thereof |
| CN114644393A (en) * | 2022-02-17 | 2022-06-21 | 华中农业大学 | Sewage COD purification device and purification method |
| CN114656034A (en) * | 2022-02-17 | 2022-06-24 | 华中农业大学 | Biological denitrification device and denitrification process |
| CN115304154A (en) * | 2022-02-22 | 2022-11-08 | 北京中持碧泽环境技术有限责任公司 | Denitrification unit and control method thereof |
| CN115304154B (en) * | 2022-02-22 | 2024-04-19 | 北京中持碧泽环境技术有限责任公司 | Denitrification unit and control method thereof |
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