CN215250001U - Ammonia nitrogen pretreatment device for wastewater treatment - Google Patents
Ammonia nitrogen pretreatment device for wastewater treatment Download PDFInfo
- Publication number
- CN215250001U CN215250001U CN202023140972.0U CN202023140972U CN215250001U CN 215250001 U CN215250001 U CN 215250001U CN 202023140972 U CN202023140972 U CN 202023140972U CN 215250001 U CN215250001 U CN 215250001U
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- Prior art keywords
- chamber
- filtering
- filter
- ammonia nitrogen
- pretreatment device
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- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 102
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 77
- 238000003756 stirring Methods 0.000 claims description 47
- 238000007789 sealing Methods 0.000 claims description 33
- 239000007921 spray Substances 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 6
- 239000010865 sewage Substances 0.000 description 45
- 238000004140 cleaning Methods 0.000 description 26
- AXCZMVOFGPJBDE-UHFFFAOYSA-L Calcium hydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 8
- 229940037003 alum Drugs 0.000 description 8
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 8
- 235000011116 calcium hydroxide Nutrition 0.000 description 8
- 239000000920 calcium hydroxide Substances 0.000 description 8
- 239000008394 flocculating agent Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002349 favourable Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000001737 promoting Effects 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 235000013547 stew Nutrition 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- -1 ammonium ions Chemical class 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002588 toxic Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
Abstract
The utility model discloses an ammonia nitrogen pretreatment device for waste water treatment, including filtering the casing, filter and be equipped with filter chamber, teeter chamber and the room of stewing in proper order from a left side right side in the casing, the left side external connection that filters the casing has the oral siphon, and the oral siphon inboard settles and have the filter chamber, filter chamber inboard middle part is provided with first filter screen, and first filter screen top settles and have the second filter screen, the filter chamber right side is provided with first communicating pipe, the teeter chamber settles in first communicating pipe right side, the teeter chamber top outside is provided with the pan feeding mouth, and the arrangement of pan feeding mouth right side has the motor, and this ammonia nitrogen pretreatment device for waste water treatment through settling filter chamber, teeter chamber, the room of stewing inside filtering the casing, can make the integrated level of equipment promote, and this makes the management of equipment can be more convenient to enable the cleanness of equipment, Maintenance and inspection can be carried out only on the filter shell, which is beneficial to improving the use convenience of the equipment.
Description
Technical Field
The utility model relates to a waste water treatment technical field specifically is an ammonia nitrogen pretreatment device for waste water treatment.
Background
The wastewater treatment is to treat the wastewater by physical, chemical and biological methods, purify the wastewater and reduce pollution so as to achieve the purposes of wastewater recovery and reuse, and fully utilize water resources, wherein ammonia nitrogen refers to nitrogen existing in the form of free ammonia and ammonium ions in water, is a nutrient in the water body, can cause the phenomenon of water eutrophication, is a main oxygen-consuming pollutant in the water body, and is toxic to fishes and certain aquatic organisms, and the ammonia nitrogen pretreatment is very important in the wastewater treatment process.
And at present there are many types of ammonia nitrogen pretreatment device for wastewater treatment in the market integrated level not high, and cleanness, maintenance and inspection are all comparatively difficult in the use, and are convenient inadequately in the use, and we have promoted specifically for an ammonia nitrogen pretreatment device for wastewater treatment to above-mentioned condition.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ammonia nitrogen pretreatment device for wastewater treatment to it is not high to provide general ammonia nitrogen pretreatment device integrated level for wastewater treatment in solving above-mentioned background art, and cleanness, maintenance and inspection are all comparatively difficult in the use, convenient problem inadequately in the use.
In order to achieve the above object, the utility model provides a following technical scheme: a pretreatment device for ammonia nitrogen for wastewater treatment comprises a filtering shell, wherein a filtering chamber, a stirring chamber and a standing chamber are sequentially arranged in the filtering shell from left to right, a water inlet pipe is connected to the outer side of the left side of the filtering shell, a filtering chamber is arranged on the inner side of the water inlet pipe, a first filtering net is arranged in the middle of the inner side of the filtering chamber, a second filtering net is arranged at the top of the first filtering net, a first communicating pipe is arranged at the right side of the filtering chamber, the stirring chamber is arranged at the right side of the first communicating pipe, a feeding port is arranged on the outer side of the top of the stirring chamber, a motor is arranged on the right side of the feeding port, a rotating shaft is arranged at the bottom of the motor, first stirring paddles are connected to the two sides of the outer side of the rotating shaft, a second stirring paddle is arranged at the bottom of the rotating shaft, the stirring chamber is connected with the standing chamber through the second communicating pipe, and a third filtering net is arranged in the middle of the inner side of the standing chamber, the utility model discloses a filter, including standing room, filter chamber, sealed door, handle, sealing door, outlet pipe, water spray faucet, outlet pipe, filtering chamber, sealing door, handle, sealing door, water spray faucet, water spray faucet, water spray faucet, water spray.
Preferably, the filtering shell is fixedly connected with the water inlet pipe, and the filtering chamber forms a communicated structure through the water inlet pipe.
Preferably, the filter chamber is connected with the first filter screen in a clamping manner, and the first filter screen and the second filter screen are distributed in a parallel manner.
Preferably, the rotating shaft forms a rotating structure through a motor, and the rotating shaft and the first stirring paddle form a welding integrated structure.
Preferably, the stirring chamber and the standing chamber form a communicated structure through a second communicating pipe, and the standing chamber is fixedly connected with the water outlet pipe.
Preferably, the sealing ring is of a flexible structure, and the inner surface of the sealing ring is attached to the outer surface of the sealing door.
Compared with the prior art, the beneficial effects of the utility model are that: this ammonia nitrogen pretreatment device for waste water treatment, the oral siphon is located the filter chamber bottommost, this makes the sewage that gets into the filter chamber also can deposit in the filter chamber bottom, sewage when flowing into the filter chamber increases the back, the water level in the filter chamber can rise gradually, the sewage that increases gradually can touch first filter screen, first filter screen can filter sewage, filter away great showy debris in the sewage, the sewage that rises gradually again can contact with the second filter screen, the mesh diameter of the first filter screen of mesh diameter ratio of second filter screen is less, this makes the second filter screen can filter littleer debris, because of sewage can deposit at the in-process that rises gradually, rethread first filter screen, the filtration of second filter screen, it is multiple clean to enable sewage, this is favorable to lifting means's filter effect.
This ammonia nitrogen pretreatment device for waste water treatment through settling filter chamber, teeter chamber, the room of stewing inside filtering the casing, enables the integrated level of equipment to obtain promoting, and this makes the management of equipment can be more convenient to clean, maintenance and the inspection that enables equipment all only need go up alright go on in filtering the casing, and this is favorable to lifting means's convenience in utilization, and can lifting means's availability factor.
This processing apparatus before ammonia nitrogen for waste water treatment, after filtering, the clear water can flow in the washing pipeline, the clear water can spout through water spray tap, blowout through the clear water, can wash first filter screen and second filter screen in filter chamber and the filter chamber, through the drain of opening the filter chamber bottom, enable the sewage outflow filter chamber, it also is provided with water spray tap and drain in the room to stew, this makes room and the third filter screen of stew also can carry out self-cleaning, through pouring into the clear water into in to the pan feeding mouth, make first stirring rake and second stirring rake rotate again, also enable the teeter chamber and carry out self-cleaning, this washing that makes equipment can the convenience.
Drawings
FIG. 1 is a schematic view of the overall structure of the utility model;
FIG. 2 is a schematic top view of the present invention;
fig. 3 is a schematic structural view of the sealing door of the present invention.
In the figure: 1. a filter housing; 2. a water inlet pipe; 3. a filtering chamber; 4. a first filter screen; 5. a second filter screen; 6. a first communication pipe; 7. a stirring chamber; 8. a feeding port; 9. a motor; 10. a rotating shaft; 11. A first stirring paddle; 12. a second stirring paddle; 13. a second communicating pipe; 14. a standing chamber; 15. a third filter screen; 16. a water outlet pipe; 17. cleaning a pipeline; 18. a water spray tap; 19. a sewage draining outlet; 20. a sealing door; 21. a handle; 22. and (5) sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a ammonia nitrogen pretreatment device for wastewater treatment comprises a filtering shell 1, wherein a filtering chamber 3, a stirring chamber 7 and a standing chamber 14 are sequentially arranged in the filtering shell from left to right, a water inlet pipe 2 is externally connected to the left side of the filtering shell 1, a filtering chamber 3 is arranged on the inner side of the water inlet pipe 2, a first filtering screen 4 is arranged in the middle of the inner side of the filtering chamber 3, a second filtering screen 5 is arranged at the top of the first filtering screen 4, a first communicating pipe 6 is arranged on the right side of the filtering chamber 3, the filtering shell 1 is fixedly connected with the water inlet pipe 2, the filtering chamber 3 forms a communicating structure through the water inlet pipe 2, the filtering chamber 3 is connected with the first filtering screen 4 in a clamping manner, the first filtering screen 4 is distributed in a parallel manner with the second filtering screen 5, untreated sewage can flow into the filtering shell 1 through the water inlet pipe 2 and then enters into the filtering chamber 3, and the water inlet pipe 2 is positioned at the bottommost of the filtering chamber 3, this causes the sewage entering the filtering chamber 3 to be deposited also at the bottom of the filtering chamber 3, and when the sewage flowing into the filtering chamber 3 is increased, the water level in the filtering chamber 3 will gradually rise, the gradually increased sewage will touch the first filtering screen 4, the first filtering screen 4 can filter the sewage, filter away the larger floating impurities in the sewage, the gradually rising sewage will contact the second filtering screen 5, the mesh diameter of the second filtering screen 5 is smaller than that of the first filtering screen 4, this enables the second filter screen 5 to filter smaller impurities, because the sewage can be precipitated in the process of gradually rising, and then the sewage can be cleaned in multiple ways through the filtration of the first filter screen 4 and the second filter screen 5, the filtering effect of the equipment is favorably improved, and the sewage can enter the stirring chamber 7 through the first communication pipe 6 after the water level of the sewage is raised again;
the first communicating pipe 6 is communicated with the inside of the stirring chamber 7, the top of the stirring chamber 7 is provided with a feeding port 8, the right side of the feeding port 8 is provided with a motor 9, the driving shaft of the motor 9 extends into the stirring chamber 7, the bottom of the driving shaft is coaxially and rotatably provided with a rotating shaft 10, two sides of the outside of the rotating shaft 10 are connected with first stirring paddles 11, the bottom of the rotating shaft 10 is provided with a second stirring paddle 12, the rotating shaft 10 and the first stirring paddles 11 are in a welding integrated structure, the stirring chamber 7 is communicated with a standing chamber 14 through a second communicating pipe 13, the middle part of the inner side of the standing chamber 14 is provided with a third filter screen 15, the upper part of the right side wall of the standing chamber 14 is provided with a water outlet pipe 16 communicated with the inside of the standing chamber, alum, flocculating agent and hydrated lime can be put into the feeding port 8 by opening the feeding port 8, and after the alum and the flocculating agent are contacted with sewage, the fine impurities and ammonia nitrogen in the sewage can be contacted and adsorbed, the water body is separated from the water body, the hydrated lime can adjust the alkali of the water body, the pH value of the water body is moderate, the rotating shaft 10 is driven to rotate by the motor 9, the first stirring paddle 11 and the second stirring paddle 12 can rotate, the rotation of the first stirring paddle 11 can ensure that the alum, the flocculating agent, the hydrated lime and the water body are fully fused and perform catalytic reaction, the second stirring paddle 12 can prevent the alum, the flocculating agent and the hydrated lime from sinking to the bottom and cannot react with the water body, the fully reacted water body can enter the standing chamber 14 through the second communicating pipe 13, the third filter screen 15 arranged in the middle of the inner side of the standing chamber 14 can finally filter the water body to ensure the purity of the water body, and finally the purified water body standing for a long time in the standing chamber 14 can be discharged through the water outlet pipe 16, and the filter chamber 3, the stirring chamber 7 and the standing chamber 14 are arranged in the filter shell 1, the integration level of the equipment can be improved, so that the management of the equipment can be more convenient, the cleaning, the maintenance and the inspection of the equipment can be carried out only on the filtering shell 1, the use convenience of the equipment is improved, and the use efficiency of the equipment can be improved;
the top of the filtering chamber 3 is connected with a cleaning pipeline 17, the bottom of the cleaning pipeline 17 is provided with a water spray tap 18, the bottom of the filtering chamber 3 is provided with a sewage discharge outlet 19, the filtering shell 1 is provided with a sealing door 20 at the positions of the filtering chamber 3 and the standing chamber 14, the outer side of the sealing door 20 is connected with a handle 21, one side of the sealing door 20 close to the filtering shell 1 is connected with a sealing ring 22, the sealing ring 22 is of a flexible structure, the inner surface of the sealing ring 22 is attached to the outer surface of the sealing door 20, after the filtering is finished, clean water can flow into the cleaning pipeline 17, the clean water can be sprayed out through the water spray tap 18, the first filtering net 4 and the second filtering net 5 in the filtering chamber 3 and the filtering chamber 3 can be cleaned through the spraying of the clean water, sewage can flow out of the filtering chamber 3 by opening the sewage discharge outlet 19 at the bottom of the filtering chamber 3, the standing chamber 14 is also provided with the water spray tap 18 and the sewage discharge outlet 19, this makes the room 14 and the third filter screen 15 of stewing still can carry on the self-cleaning, through injecting the clear water into pan feeding mouth 8, make first stirring rake 11 and second stirring rake 12 rotate again, also can make the stirring room 7 carry on the self-cleaning, this makes the cleaning of the apparatus can be facilitated, through the outer handle 21, can make the sealing door 20 open through the rotation of the hinge, this makes the filter chamber 3 and the room 14 of stewing expose, because the filter screen adopts the block connection with filter chamber 3 and room 14 of stewing, this makes the outer pull-out filter screen alright to replace first filter screen 4, second filter screen 5 and third filter screen 15, through replacing first filter screen 4, second filter screen 5 and third filter screen 15, can make the apparatus because of changing the different types of filter screens to different types of sewage, this is favorable to promoting the use flexibility of the apparatus, the sealing washer 22 adopts the flexible rubber material, when the sealing door 20 is attached to the filter housing 1, the sealing ring 22 can fill up the connecting gap between the sealing door and the filter housing, so that the sealing performance of the device in the using process can be ensured.
The working principle is as follows: when the ammonia nitrogen pretreatment device for wastewater treatment is used, untreated sewage can flow into the filtering shell 1 and enter the filtering chamber 3 through the water inlet pipe 2, the sewage entering the filtering chamber 3 can be deposited at the bottom of the filtering chamber 3 because the water inlet pipe 2 is positioned at the bottommost part of the filtering chamber 3, when the sewage flowing into the filtering chamber 3 is increased, the water level in the filtering chamber 3 can gradually rise, the gradually-increased sewage can touch the first filtering net 4, the first filtering net 4 can filter the sewage and filter away larger floating impurities in the sewage, the gradually-increased sewage can contact the second filtering net 5, the mesh diameter of the second filtering net 5 is smaller than that of the first filtering net 4, the second filtering net 5 can filter smaller impurities, the sewage can precipitate in the gradually-rising process, and then the first filtering net 4, The second filter screen 5 can filter sewage to ensure multiple cleanness, which is beneficial to improving the filtering effect of equipment, then the water level of the sewage rises again, the sewage can enter the stirring chamber 7 through the first communication pipe 6, alum, flocculating agent and hydrated lime can be put into the feeding port 8 by opening the feeding port 8, the alum, flocculating agent and sewage are contacted, fine sundries and ammonia nitrogen in the sewage can be contacted and adsorbed to be separated from the water body, the hydrated lime can adjust alkali of the water body to ensure the pH value of the water body, the motor 9 drives the rotating shaft 10 to rotate, the first stirring paddle 11 and the second stirring paddle 12 can rotate, the rotation of the first stirring paddle 11 can ensure that the alum, flocculating agent, hydrated lime and water body are fully fused and have catalytic reaction, the second stirring paddle 12 can prevent the alum, flocculating agent and hydrated lime bottom from sinking to react with the water body, then the fully reacted water body can enter the standing chamber 14 through the second communicating pipe 13, the third filter screen 15 arranged in the middle of the inner side of the standing chamber 14 can carry out final filtration on the water body, the purity of the water body is ensured, the purified water body standing for a long time in the standing chamber 14 can be discharged through the water outlet pipe 16, the filter chamber 3, the stirring chamber 7 and the standing chamber 14 are arranged in the filter shell 1, the integration level of the equipment can be improved, the management of the equipment can be more convenient, the cleaning, the maintenance and the inspection of the equipment can be carried out only on the filter shell 1, the use convenience of the equipment can be improved, the use efficiency of the equipment can be improved, after the filtration is finished, clean water can flow into the cleaning pipeline 17, the clean water can be sprayed out through the water spray faucet 18, the first filter screen 4 and the second filter screen 5 in the filter chamber 3 and the filter chamber 3 can be cleaned through the spraying of the clean water, the sewage can flow out of the filter chamber 3 by opening the sewage outlet 19 at the bottom of the filter chamber 3, the standing chamber 14 is also internally provided with a water spray tap 18 and a sewage outlet 19, so that the standing chamber 14 and the third filter screen 15 can be automatically cleaned, the first stirring paddle 11 and the second stirring paddle 12 can be rotated by injecting clear water into the feed inlet 8, the stirring chamber 7 can also be automatically cleaned, the cleaning of the equipment can be facilitated, finally, the sealing door 20 can be opened by the rotation of the hinge by an external pull handle 21, so that the filter chamber 3 and the standing chamber 14 can be exposed, and the first filter screen 4, the second filter screen 5 and the third filter screen 15 can be replaced by replacing the first filter screen 4, the second filter screen 5 and the third filter screen 15 by adopting a clamping connection with the filter screen 3 and the standing chamber 14, the filter screen of different grade type is changed because of the sewage that enables equipment to different types, and this is favorable to lifting means's use flexibility, and sealing washer 22 adopts flexible rubber material, and sealing door 20 when laminating with filtering shell 1, sealing washer 22 can fill up the joint gap between them to can guarantee the leakproofness of equipment in the use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an ammonia nitrogen pretreatment device for waste water treatment which characterized in that: the device comprises a filtering shell (1), wherein a filtering chamber (3), a stirring chamber (7) and a standing chamber (14) are sequentially arranged in the filtering shell (1) from left to right, a water inlet pipe (2) is connected to the outer portion of the left side of the filtering shell (1), the filtering chamber (3) is arranged on the inner side of the water inlet pipe (2), a first filtering net (4) is arranged in the middle of the inner side of the filtering chamber (3), a second filtering net (5) is arranged at the top of the first filtering net (4), a first communicating pipe (6) is arranged on the right side of the filtering chamber (3), the first communicating pipe (6) is communicated with the stirring chamber (7), a feeding port (8) is arranged on the outer side of the top of the stirring chamber (7), a motor (9) is arranged on the right side of the feeding port (8), a driving shaft of the motor (9) extends into the stirring chamber (7), and a rotating shaft (10) is coaxially and rotatably arranged at the bottom of the driving shaft, rotation axis (10) external connection has first stirring rake (11), rotation axis (10) bottom is provided with second stirring rake (12), teeter chamber (7) through second communicating pipe (13) with room (14) of stewing is connected, room (14) inboard middle part of stewing is provided with third filter screen (15), room (14) of stewing right side upper portion settles and has outlet pipe (16), filter chamber (3) top is connected with washing pipeline (17), it has spray tap (18) to settle washing pipeline (17) bottom, filter chamber (3) bottom is provided with drain (19).
2. The ammonia nitrogen pretreatment device for wastewater treatment according to claim 1, characterized in that: the filtering device is characterized in that sealing doors (20) are arranged at the positions, located in the filtering chamber (3) and the standing chamber (14), of the filtering shell (1), the outer sides of the sealing doors (20) are provided with handles (21), and one side, close to the filtering shell (1), of each sealing door (20) is connected with a sealing ring (22).
3. The ammonia nitrogen pretreatment device for wastewater treatment according to claim 1, characterized in that: the filtering shell (1) is fixedly connected with the water inlet pipe (2), and the filtering chamber (3) forms a communicated structure through the water inlet pipe (2).
4. The ammonia nitrogen pretreatment device for wastewater treatment according to claim 1, characterized in that: the filtering chamber (3) is connected with the first filtering net (4) in a clamping manner, and the first filtering net (4) and the second filtering net (5) are distributed in a parallel manner.
5. The ammonia nitrogen pretreatment device for wastewater treatment according to claim 1, characterized in that: the rotating shaft (10) forms a rotating structure through the motor (9), and a welding integrated structure is formed between the rotating shaft (10) and the first stirring paddle (11).
6. The ammonia nitrogen pretreatment device for wastewater treatment according to claim 1, characterized in that: the stirring chamber (7) and the standing chamber (14) form a communicated structure through a second communicating pipe (13), and the standing chamber (14) is fixedly connected with the water outlet pipe (16).
7. The ammonia nitrogen pretreatment device for wastewater treatment as set forth in claim 2, characterized in that: the sealing ring (22) is of a flexible structure, and the inner surface of the sealing ring (22) is attached to the outer surface of the sealing door (20).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202023140972.0U CN215250001U (en) | 2020-12-23 | 2020-12-23 | Ammonia nitrogen pretreatment device for wastewater treatment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202023140972.0U CN215250001U (en) | 2020-12-23 | 2020-12-23 | Ammonia nitrogen pretreatment device for wastewater treatment |
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Publication Number | Publication Date |
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CN215250001U true CN215250001U (en) | 2021-12-21 |
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ID=79487802
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CN202023140972.0U Active CN215250001U (en) | 2020-12-23 | 2020-12-23 | Ammonia nitrogen pretreatment device for wastewater treatment |
Country Status (1)
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CN (1) | CN215250001U (en) |
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2020
- 2020-12-23 CN CN202023140972.0U patent/CN215250001U/en active Active
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