CN114876033A - Modular deodorization device of combined system inspection well - Google Patents
Modular deodorization device of combined system inspection well Download PDFInfo
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- CN114876033A CN114876033A CN202210674908.5A CN202210674908A CN114876033A CN 114876033 A CN114876033 A CN 114876033A CN 202210674908 A CN202210674908 A CN 202210674908A CN 114876033 A CN114876033 A CN 114876033A
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- deodorization
- pressure relief
- pipe
- inspection well
- flow guide
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
- E03F5/021—Connection of sewer pipes to manhole shaft
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/08—Ventilation of sewers
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses a modularized deodorization device of a combined inspection well, and belongs to the field of deodorization of inspection wells. According to the modularized deodorization device of the combined system inspection well, the deodorization module is arranged, rainwater can enter the inspection well from the deodorization flow guide pipe, water and gas in the inspection well cannot enter the deodorization flow guide pipe, odor is effectively prevented from entering the atmosphere, and the environment is effectively protected. The odor-resistant flow guide pipe has the advantages of simple structure, novel and reasonable design, high working reliability and long service life, can effectively prevent odor in the inspection well from escaping, and is simple in structure, convenient to use, strong in effectiveness, low in production cost and convenient to popularize and use.
Description
Technical Field
The invention belongs to the field of deodorization of inspection wells, and particularly relates to a modularized deodorization device of a combined inspection well.
Background
The urban drainage system has two types of confluence system and shunt system, wherein the confluence system is a system for discharging urban domestic sewage, industrial wastewater and rainwater in a same pipeline in a mixed mode, and the shunt system drainage system is a system for discharging the domestic sewage, the industrial wastewater and the rainwater in two or more independent pipelines respectively.
The combined drainage system sends all the urban domestic sewage, industrial wastewater and rainwater to a sewage plant for treatment and then discharges. Therefore, the size of the main trunk pipe is overlarge, the sewage capacity is greatly increased, the construction and operation cost is correspondingly and greatly increased, and the main trunk pipe is better from the aspects of controlling and preventing water body pollution. A rainwater inlet is required to be designed for collecting rainwater in the combined drainage system and is communicated with the inspection well and the atmosphere. Due to closed oxygen deficiency in the inspection well, anaerobic microorganisms in the sewage perform anaerobic respiration to generate a large amount of gases with strong odor, such as hydrogen sulfide, ammonia, mercaptan and the like, and the gases escape into the atmosphere through the rainwater inlet. At night and in rainy days, the heat preservation effect in the inspection well is good, the temperature is high, the air pressure is high, the ground temperature is low, the air pressure is low, and the escape of odor in the inspection well is accelerated by the air pressure difference. Even in cold winter, the inlet for stom water can escape the hot gas that has the peculiar smell, pollutes city air, influences urban environment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a modular deodorization device of a combined inspection well.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a modularized deodorization device of a combined system inspection well comprises any one or more of a first deodorization module, a second deodorization module and a third deodorization device;
one ends of the first deodorization module, the second deodorization module and the third deodorization device are respectively communicated with a rainwater inlet connecting pipe arranged on the side wall of the combined system inspection well, and the other ends of the first deodorization module, the second deodorization module and the third deodorization device are positioned in the combined system inspection well;
a confluence drainage pipeline for draining water is arranged at the bottom of the confluence inspection well;
when rivers got into first deodorant module, the deodorant module of second and the deodorant device of third through the inlet for stom water connecting pipe, the terminal homoenergetic of first deodorant module, the deodorant module of second and the deodorant device of third was opened, and when no rivers, the terminal of first deodorant module, the deodorant module of second and the deodorant device of third was the closed condition.
Furthermore, first deodorant module is including connecting the first deodorant honeycomb duct on inlet for stom water connecting pipe is terminal, and the upper portion that extends to the terminal of first deodorant honeycomb duct in the confluence system inspection shaft is equipped with the fixed axle, it has the apron that is used for sealing first deodorant honeycomb duct end to articulate on the fixed axle.
Furthermore, the upper part of the cover plate inclines towards the water inlet direction of the first deodorization flow guide pipe;
the length of apron is greater than the external diameter of first deodorant honeycomb duct.
Furthermore, the bottom of the first deodorization honeycomb duct is provided with a one-way pressure relief device.
Furthermore, the second deodorization module comprises a second deodorization flow guide pipe connected to the tail end of the rainwater inlet connecting pipe, and the tail end of the second deodorization flow guide pipe extending into the combined system inspection well is connected with a duckbill valve;
when water flows through the rainwater inlet connecting pipe and the second deodorization flow guide pipe to reach the tail end of the duckbill valve, the tail end of the duckbill valve in a closed state is opened, and after the water flows through the duckbill valve, the tail end of the duckbill valve is closed again.
Furthermore, the duckbill valve is fixed on the second deodorization flow guide pipe through a first clamp;
the duckbill valve continuously expands from the beginning end to the tail end in the width direction;
and a one-way pressure relief device is arranged at the bottom of the second deodorization flow guide pipe.
Further, the third odor prevention module comprises a third odor prevention flow guide pipe connected to the tail end of the rainwater inlet connecting pipe, the other end of the third odor prevention flow guide pipe is connected with a deodorization silica gel bag, and the tail end of the deodorization silica gel bag is in a closed state;
when water flows through the rainwater inlet connecting pipe and the third odor prevention diversion pipe to reach the tail end of the odor-resistant silica gel bag, the tail end of the odor-resistant silica gel bag in a closed state is opened, and after the water flows through the odor-resistant silica gel bag, the tail end of the odor-resistant silica gel bag is closed again.
Furthermore, a one-way pressure relief device is arranged at the bottom of the third odor prevention diversion pipe.
Furthermore, the one-way pressure relief device consists of a first guide rod, a pressure relief plate, a pressure relief pipe and a second guide rod;
the pressure relief pipe is positioned at the bottom of the deodorization flow guide pipe and communicated with the inside of the deodorization flow guide pipe, a first guide rod and a second guide rod which penetrate through the deodorization flow guide pipe are respectively arranged at two ends of the pressure relief pipe, pressure relief plates are erected at the tops of the first guide rod and the second guide rod, and split pins are respectively arranged at the bottoms of the first guide rod and the second guide rod;
when the gas pressure in the combined check well is larger than a preset value, the gas in the combined check well enters a pressure relief pipe, a pressure relief plate is pushed to leave the top of the pressure relief pipe, the pressure relief plate drives a first guide rod and a second guide rod to move upwards, and the gas enters a deodorization flow guide pipe through a gap between the pressure relief pipe and the pressure relief plate; and when the gas pressure in the combined system inspection well is reduced to a preset value, the pressure relief plate, the first guide rod and the second guide rod move downwards under the action of gravity, and the pressure relief plate seals the pressure relief pipe.
Compared with the prior art, the invention has the following beneficial effects:
according to the modularized deodorization device of the combined system inspection well, the deodorization module is arranged, rainwater can enter the inspection well from the deodorization flow guide pipe, water and gas in the inspection well cannot enter the deodorization flow guide pipe, odor is effectively prevented from entering the atmosphere, and the environment is effectively protected. The odor-resistant flow guide pipe has the advantages of simple structure, novel and reasonable design, high working reliability and long service life, can effectively prevent odor in the inspection well from escaping, and is simple in structure, convenient to use, strong in effectiveness, low in production cost and convenient to popularize and use.
Furthermore, the invention has 3 kinds of deodorization modules which can be selected, and the practicability is wider.
Furthermore, the one-way pressure relief device is arranged, so that when the pressure of the gas in the deodorization flow guide pipe is overlarge, the gas in the box body is relieved through the one-way pressure relief device.
Drawings
FIG. 1 is a transverse sectional view of the overall structure of the embodiment;
FIG. 2 is a transverse sectional view of the overall structure of the embodiment;
FIG. 3 is a schematic structural diagram of a first deodorization module according to an embodiment;
FIG. 4 is a top view of a second odor module of an embodiment;
FIG. 5 is a front view of a second odor module of an embodiment;
FIG. 6 is a top view of a third odor prevention module according to the embodiment;
FIG. 7 is a front view of a third odor prevention module configuration of the embodiment;
fig. 8 is a schematic structural view of a one-way pressure relief device according to an embodiment.
Wherein: 1-combined drainage pipeline; 2-combined system inspection well; 3-a first deodorization module; 4-gutter inlet connecting pipe; 5-one-way pressure relief device; 6-a second deodorization module; 7-a third odor prevention device; 3-1-a first deodorization flow guide pipe; 3-2-fixed shaft; 3-3-cover plate; 5-1-a first guide bar; 5-2-pressure relief plate; 5-3-pressure relief pipe; 5-4-a second guide bar; 5-5-cotter pin; 6-1-a second deodorization flow guide pipe; 6-2-a first clamp; 6-3-duckbill valve; 7-1-third stink prevention draft tube; 7-2-a second clamp; 7-3-deodorization silica gel bag.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1 and 2, fig. 1 and 2 are a transverse sectional view and a transverse sectional view, respectively, of the overall structure of the embodiment; the utility model provides a deodorant device of modularization of confluence system inspection shaft, 2 bottoms of confluence system inspection shaft are equipped with confluence system drainage pipe 1, be equipped with first deodorant module 3 on the lateral wall of confluence system inspection shaft 2, deodorant module 6 of second and the deodorant device 7 of third, first deodorant module 3, the deodorant module 6 of second and the deodorant device 7 of third are linked together with inlet for stom water connecting pipe 4 that runs through the lateral wall of confluence system inspection shaft 2 respectively, all be equipped with one-way pressure relief device 5 on first deodorant module 3, the deodorant module 6 of second and the deodorant device 7 of third.
In the above embodiments, the first deodorization module, the second deodorization module and the third deodorization module may be selectively applied to one or more of the modularized deodorization devices of the combined system manhole.
Referring to fig. 3, fig. 3 is a schematic structural view of a first deodorization module according to an embodiment, the first deodorization module 3 includes a first deodorization flow guide pipe 3-1 connected to the end of the rain inlet connection pipe 4, one end of the first deodorization flow guide pipe 3-1 is connected to the rain inlet connection pipe 4, the other end of the first deodorization flow guide pipe is provided with a one-way flow guide device for guiding rainwater in the first deodorization flow guide pipe 3-1 into the inspection well 2 and preventing gas in the inspection well 2 from entering the first deodorization flow guide pipe 3-1, and the first deodorization flow guide pipe 3-1 is provided with a one-way pressure relief device 5 for relieving pressure inside the inspection well.
As shown in fig. 3, the one-way guiding device comprises a fixed shaft 3-2, the fixed shaft 3-2 is installed at the end of the first deodorizing flow guiding pipe 3-1 and is located at the upper part of the first deodorizing flow guiding pipe 3-1, and a cover plate 3-3 which can rotate around the fixed shaft and can seal the deodorizing flow guiding pipe is connected to the fixed shaft 3-2. Preferably, the upper part of the cover plate 3-3 inclines towards the water inlet direction of the first deodorization flow guide pipe 3-1, so that rainwater in the first deodorization flow guide pipe 3-1 can conveniently enter the inspection well. The length of the cover plate 3-3 is larger than the outer diameter of the first deodorization flow guide pipe 3-1, so that the cover plate 3-3 is ensured to be opened in a single direction, and the cover plate 3-3 cannot rotate reversely.
When in use, rainwater enters the first deodorization flow guide pipe 3-1 through the rainwater inlet connecting pipe 4, and water flow pushes the cover plate 3-3 to rotate around the fixed shaft 3-2, so that the first deodorization flow guide pipe 3-1 is communicated with the inner space of the combined inspection well 2, and the rainwater enters the inner part of the combined inspection well 2 and is discharged from the combined drainage pipe 1. The cover plate 3-3 is opened in one direction, namely can only rotate under the push of water flow in the first deodorization flow guide pipe 3-1 but not rotate under the pressure in the confluence check well 2, so that gas and water in the confluence check well 2 are prevented from entering the first deodorization flow guide pipe 3-1, thereby effectively preventing odor from entering the atmosphere and effectively protecting the environment.
Referring to fig. 4 and 5, fig. 4 and 5 are a top view and a front view, respectively, of a second deodorization module according to an embodiment; the second deodorization module 6 comprises a second deodorization flow guide pipe 6-1 connected to the tail end of the rainwater inlet connecting pipe 4, one end of the second deodorization flow guide pipe 6-1 is connected with the rainwater inlet connecting pipe 4, and the other end of the second deodorization flow guide pipe is connected with the duckbill valve 6-3 through a first clamp 6-2. And a one-way pressure relief device 5 for relieving the pressure inside the inspection well 2 is arranged on the second deodorization flow guide pipe 6-1. The duckbill valve 6-3, by its nature, is capable of opening when rainwater is collected and of closing when there is no rainwater.
When the rainwater drainage device is used, rainwater enters the second deodorization flow guide pipe 6-1 through the rainwater inlet connecting pipe 4, and the water flow pushes the duckbill valve 6-3 to be opened, so that the second deodorization flow guide pipe 6-1 is communicated with the inner space of the confluence system inspection well 2, and the rainwater enters the confluence system inspection well 2 and is drained from the confluence system drainage pipeline 1. Due to the characteristics of the duckbill valve 6-3, the duckbill valve is opened only under the pushing of water flow in the second deodorization flow guide pipe 6-1 and cannot be opened under the pressure in the combined inspection well 2, so that gas and water in the combined inspection well 2 are prevented from entering the second deodorization flow guide pipe 6-1, and the problem of effluvium of the combined inspection well is effectively prevented.
Referring to fig. 6 and 7, fig. 6 and 7 are a top view and a front view, respectively, of a third odor prevention module according to the embodiment, where the third odor prevention module includes a third odor prevention draft tube 7-1 connected to the end of the gutter inlet connecting pipe 4, and the other end of the third odor prevention draft tube 7-1 is connected to the odor-resistant silicone bag 7-3 through a second clamp 7-2. And the third odor-proof flow guide pipe 7-1 is provided with a one-way pressure relief device 5 for relieving the pressure in the inspection well.
Preferably, the deodorization silica gel bag 7-3 is integrally formed, keeps a closed state, is similar to a duckbill valve in shape, and can be opened when rainwater is collected and automatically restores to the closed state when no rainwater exists due to the elasticity of silica gel at the tail end of the deodorization silica gel bag 7-3, so that odor is prevented from escaping.
When the combined inspection well is used, rainwater enters the third odor prevention diversion pipe 7-1 through the rainwater inlet connecting pipe 4, and water flow pushes the seal at the tail end of the odor prevention silica gel bag 7-3 to be opened, so that the third odor prevention diversion pipe 7-1 is communicated with the combined inspection well 2, and the rainwater enters the interior of the combined inspection well 2 and is discharged from the combined drainage pipeline 1. The deodorant silica gel bag 7-4 is integrally formed during manufacturing, keeps a closed state, is opened under the pushing of water flow in the third deodorant diversion pipe 7-1 and cannot be opened under the pressure in the inspection well 2, and gas and water in the combined inspection well 2 are prevented from entering the third deodorant diversion pipe 7-1.
Referring to fig. 8, fig. 8 is a schematic structural diagram of the one-way pressure relief device of the embodiment, the one-way pressure relief device 5 includes a pressure relief pipe 5-3 disposed at the bottom of the odor-resistant flow guide pipe and used for communicating the odor-resistant flow guide pipe with the interior of the manhole 2, a first guide rod 5-1 is disposed at one side of the pressure relief pipe 5-3, a second guide rod 5-4 is disposed at the other side of the pressure relief pipe 5-3, lower ends of the first guide rod 5-1 and the second guide rod 5-4 penetrate through the bottom of the odor-resistant flow guide pipe and can move up and down along the radial direction of the odor-resistant flow guide pipe, and a pressure relief plate 5-2 fixedly connected with upper ends of the first guide rod 5-1 and the second guide rod 5-4 is disposed above the pressure relief pipe 5-3. The lower ends of the first guide rod 5-1 and the second guide rod 5-4 are respectively provided with a cotter 5-5 which prevents the lower ends of the first guide rod 5-1 and the second guide rod 5-4 from separating from the deodorization flow guide pipe 4.
When the gas pressure in the confluence system inspection shaft is too big, the gas in the inspection shaft is decompressed through the one-way pressure relief device 5, and the specific pressure relief process is as follows: high-pressure gas in the combined inspection well 2 enters a pressure relief pipe 5-3, the gas in the pressure relief pipe 5-3 pushes a pressure relief plate 52, a first guide rod 5-1 and a second guide rod 5-4 below the pressure relief plate 5-2 move along the radial direction of the deodorization flow guide pipe, the high-pressure gas enters the deodorization flow guide pipe, after the gas pressure in the inspection well is reduced, the pressure relief plate 5-2, the first guide rod 5-1 and the second guide rod 5-4 move downwards under the action of gravity, and the pressure relief plate 5-2 seals the pressure relief pipe 5-3.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (9)
1. A modularized deodorization device of a combined system inspection well is characterized by comprising any one or more of a first deodorization module (3), a second deodorization module (6) and a third deodorization device (7);
one ends of the first deodorization module (3), the second deodorization module (6) and the third deodorization device (7) are respectively communicated with a rainwater inlet connecting pipe (4) arranged on the side wall of the confluence inspection well (2), and the other ends of the first deodorization module (3), the second deodorization module (6) and the third deodorization device (7) are positioned in the confluence inspection well (2);
a combined drainage pipeline (1) for drainage is arranged at the bottom of the combined inspection well (2);
when rivers got into first deodorant module (3), the deodorant module of second (6) and the deodorant device of third (7) through inlet for stom water connecting pipe (4), the end homoenergetic of first deodorant module (3), the deodorant module of second (6) and the deodorant device of third (7) can be opened, and when no rivers, the end of first deodorant module (3), the deodorant module of second (6) and the deodorant device of third (7) was the closed condition.
2. The modular deodorization device for combined inspection well according to claim 1, wherein the first deodorization module (3) comprises a first deodorization flow guide pipe (3-1) connected to the end of the gully connecting pipe (4), the upper part of the end of the first deodorization flow guide pipe (3-1) extending into the combined inspection well (2) is provided with a fixed shaft (3-2), and the fixed shaft (3-2) is hinged with a cover plate (3-3) for closing the end of the first deodorization flow guide pipe (3-1).
3. The modular deodorization apparatus for confluence manhole as set forth in claim 2, wherein the upper portion of said cover plate (3-3) is inclined toward the incoming water direction of the first deodorization draft tube (3-1);
the length of the cover plate (3-3) is larger than the outer diameter of the first deodorization flow guide pipe (3-1).
4. The modular deodorization device for combined-system inspection wells according to claims 2 or 3, wherein a one-way pressure relief device (5) is arranged at the bottom of the first deodorization flow guide pipe (3-1).
5. The modular deodorization apparatus of a confluence manhole as claimed in claim 1, wherein the second deodorization module (6) comprises a second deodorization draft tube (6-1) connected to the end of the gully connecting pipe (4), and a duckbill valve (6-3) is connected to the end of the second deodorization draft tube (6-1) extending into the confluence manhole (2);
when water flow reaches the tail end of the duckbill valve (6-3) through the rainwater inlet connecting pipe (4) and the second deodorization flow guide pipe (6-1), the tail end of the duckbill valve (6-3) in a closed state is opened, and after the water flow passes through the duckbill valve, the tail end of the duckbill valve (6-3) is closed again.
6. Modular odour seal of a flow-combining manhole according to claim 5, characterized in that said duckbill valve (6-3) is fixed by a first clamp (6-2) to a second odour-preventing nozzle (6-1);
the duckbill valve (6-3) continuously expands from the beginning end to the tail end in the width direction;
the bottom of the second deodorization flow guide pipe (6-1) is provided with a one-way pressure relief device (5).
7. The modular deodorization device of a confluence inspection well according to claim 1, wherein the third deodorization module comprises a third deodorization flow guide pipe (7-1) connected to the end of the gully connecting pipe (4), the other end of the third deodorization flow guide pipe (7-1) is connected with a deodorization silica gel bag (7-3), and the end of the deodorization silica gel bag (7-3) is in a closed state;
when water flows through the rainwater inlet connecting pipe (4) and the third odor-proof guide pipe (7-1) to reach the tail end of the odor-proof silica gel bag (7-3), the tail end of the odor-proof silica gel bag (7-3) in a closed state is opened, and after the water flows through the odor-proof silica gel bag, the tail end of the odor-proof silica gel bag (7-3) is closed again.
8. The modular deodorization device for combined-system inspection wells according to claim 1, wherein a one-way pressure relief device (5) is arranged at the bottom of the third deodorization flow guide pipe (7-1).
9. The modular deodorization device of a combined system inspection well according to claim 1, wherein the one-way pressure relief device (5) is composed of a first guide rod (5-1), a pressure relief plate (5-2), a pressure relief pipe (5-3) and a second guide rod (5-4);
the pressure relief pipe (5-3) is positioned at the bottom of the deodorization flow guide pipe and communicated with the inside of the deodorization flow guide pipe, a first guide rod (5-1) and a second guide rod (5-4) penetrating through the deodorization flow guide pipe are respectively arranged at two ends of the pressure relief pipe (5-3), a pressure relief plate (5-2) is erected at the tops of the first guide rod (5-1) and the second guide rod (5-4), and split pins (5-5) are respectively arranged at the bottoms of the first guide rod (5-1) and the second guide rod (5-4);
when the gas pressure in the combined inspection well (2) is larger than a preset value, the gas in the combined inspection well (2) enters a pressure relief pipe (5-3) to push the pressure relief plate (5-2), the pressure relief plate (5-2) leaves the top of the pressure relief pipe (5-3), meanwhile, the pressure relief plate (5-2) drives a first guide rod (5-1) and a second guide rod (5-4) to move upwards, and the gas enters a deodorization flow guide pipe through a gap between the pressure relief pipe (5-3) and the pressure relief plate (5-2); when the gas pressure in the combined inspection well (2) is reduced to a preset value, the pressure relief plate (5-2), the first guide rod (5-1) and the second guide rod (5-4) move downwards under the action of gravity, and the pressure relief plate (5-2) seals the pressure relief pipe (5-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210674908.5A CN114876033A (en) | 2022-06-15 | 2022-06-15 | Modular deodorization device of combined system inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210674908.5A CN114876033A (en) | 2022-06-15 | 2022-06-15 | Modular deodorization device of combined system inspection well |
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| CN114876033A true CN114876033A (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210674908.5A Pending CN114876033A (en) | 2022-06-15 | 2022-06-15 | Modular deodorization device of combined system inspection well |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2108758U (en) * | 1991-11-21 | 1992-07-01 | 顺义县基本建设委员会 | Deodorising gulley of confluence sewerage system |
| JPH0717893U (en) * | 1993-09-13 | 1995-03-31 | 株式会社カンツール | Deodorant valve device for sewer gutter trout |
| CN202500208U (en) * | 2012-03-21 | 2012-10-24 | 长安大学 | Deodorization diversion box of gutter inlet of combined-system drainage pipeline |
| CN202706152U (en) * | 2012-02-20 | 2013-01-30 | 张文科 | Deodorization device |
| CN204959928U (en) * | 2015-08-14 | 2016-01-13 | 李君� | Rainwater and sewage shunting device for building |
| CN215290525U (en) * | 2021-03-26 | 2021-12-24 | 重庆市设计院有限公司 | Confluence drainage inspection shaft with deodorant anti-return function |
-
2022
- 2022-06-15 CN CN202210674908.5A patent/CN114876033A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2108758U (en) * | 1991-11-21 | 1992-07-01 | 顺义县基本建设委员会 | Deodorising gulley of confluence sewerage system |
| JPH0717893U (en) * | 1993-09-13 | 1995-03-31 | 株式会社カンツール | Deodorant valve device for sewer gutter trout |
| CN202706152U (en) * | 2012-02-20 | 2013-01-30 | 张文科 | Deodorization device |
| CN202500208U (en) * | 2012-03-21 | 2012-10-24 | 长安大学 | Deodorization diversion box of gutter inlet of combined-system drainage pipeline |
| CN204959928U (en) * | 2015-08-14 | 2016-01-13 | 李君� | Rainwater and sewage shunting device for building |
| CN215290525U (en) * | 2021-03-26 | 2021-12-24 | 重庆市设计院有限公司 | Confluence drainage inspection shaft with deodorant anti-return function |
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