CN210613370U

CN210613370U - Foul waste gas collecting system for sewage station

Info

Publication number: CN210613370U
Application number: CN201921275891.6U
Authority: CN
Inventors: 史风华; 王文文
Original assignee: Jiangsu Nanda Huaxing Environmental Protection Technology Co ltd
Current assignee: Jiangsu Nanda Huaxing Environmental Protection Technology Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-26
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a sewage station foul smell waste gas collection system belongs to waste gas collection and purification technical field. The sewage tank body of the utility model is provided with a circulating branch pipe, the sewage tank body is connected with the inlet of a circulating air pipe through the circulating branch pipe, the outlet of the circulating air pipe is connected with the inlet of an aeration fan, an aeration tank air inlet pipe, a gas return pipe and an aeration tank air outlet pipe are arranged on an aerobic aeration tank, and the outlet of the aeration fan is connected with the aeration tank air inlet pipe; the aerobic aeration tank is connected with the inlet of the circulating air pipe through a gas return pipe, the aerobic aeration tank is connected with the exhaust main pipe through an outlet pipe of the aeration tank, and the centrifugal fan and the purification device are sequentially arranged on the exhaust main pipe. The utility model discloses earlier adopt good oxygen aeration tank to carry out biological decomposition to the harmful ingredient in the waste gas, carry out purification treatment by the purifier on the exhaust person in charge to can improve the treatment effect of stench waste gas, reduce the treatment cost of stench waste gas simultaneously.

Description

Foul waste gas collecting system for sewage station

Technical Field

The utility model belongs to the technical field of waste gas collection purifies, more specifically says, relates to a sewage station stench waste gas collection system.

Background

Sewage stations are arranged in industrial enterprises and cities which generate sewage, and foul waste gas pollution with different degrees and types can be generated in the operation process of each functional pool body of the sewage station, so that certain influence is generated on the air quality of the surrounding environment, the human health and the sense organ. In order to prevent odor from disturbing residents and improve air quality, all functional tank bodies which generate foul waste gas are usually sealed and subjected to induced air treatment. At present, relevant departments in China and places have no relevant regulations or technical specifications on the times of induced air and ventilation, and generally, in order to prevent malodorous waste gas from escaping into the surrounding atmosphere, the sealing performance of each functional pool body is better. In addition, in the prior art, waste gas in the pool body is extracted only through induced air treatment, and special purifying equipment is adopted to treat the waste gas, so that the treatment cost of the waste gas is improved, and the treatment effect of the waste gas is relatively poor.

Through retrieval, Chinese utility model patents which are submitted under the notice numbers CN206273334U and 2017, 6 and 23 disclose a sewage station waste odor collecting and purifying treatment system, which comprises a glass fiber reinforced plastic cover, a biological filtering device and an active carbon adsorption device; the glass fiber reinforced plastic cover is arranged on a structure for producing waste odor in a sewage station and is used for collecting waste gas, the waste gas is conveyed to an air inlet of the biological filtering device through a waste gas collecting pipeline, and the activated carbon adsorption device is arranged on an air outlet of the biological filtering device. The utility model discloses a through to the collection of useless foul smell, the waste gas volume that has significantly reduced has directly reduced investment cost, working costs etc. and biofiltration device and active carbon device combination make useless foul smell clean system not have the dead angle.

SUMMERY OF THE UTILITY MODEL

1. Problems to be solved

Aiming at the problem of poor waste gas treatment effect in the existing stinky waste gas treatment technology, the utility model provides a sewage station stinky waste gas collection system, waste gas in a sewage tank body is firstly subjected to aeration treatment through an aerobic aeration tank, harmful ingredients in the waste gas are biologically decomposed through the aerobic aeration tank, and then are subjected to purification treatment through a purification device on an exhaust main pipe, so that the treatment effect of the stinky waste gas can be improved, and the treatment cost of the stinky waste gas is reduced; furthermore, the aerobic aeration tank is provided with a gas return pipe, and waste gas in the aerobic aeration tank is subjected to circulating treatment, so that the treatment effect of the waste gas is further improved.

2. Technical scheme

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

the utility model relates to a sewage station foul smell waste gas collection system, its characterized in that: the sewage treatment device comprises a sewage tank body, a circulating air pipe, an aeration fan, an aerobic aeration tank, an exhaust main pipe, a centrifugal fan and a purification device, wherein the sewage tank body is provided with a circulating branch pipe, the sewage tank body is connected with an inlet of the circulating air pipe through the circulating branch pipe, an outlet of the circulating air pipe is connected with an inlet of the aeration fan, the aerobic aeration tank is provided with an aeration tank air inlet pipe, a gas return pipe and an aeration tank air outlet pipe, and an outlet of the aeration fan is connected with an aeration tank air inlet pipe; the aerobic aeration tank is connected with the inlet of the circulating air pipe through a gas return pipe, the aerobic aeration tank is connected with the exhaust main pipe through an outlet pipe of the aeration tank, and the centrifugal fan and the purification device are sequentially arranged on the exhaust main pipe.

Preferably, still including collecting the tuber pipe, the sewage cell body on still be provided with the collection branch pipe, the sewage cell body links to each other through collecting the import of branch pipe with collecting the tuber pipe, should collect the export and the exhaust of tuber pipe and be responsible for continuously.

Preferably, the air outlet pipe of the aeration tank is provided with an air outlet pipe valve; and a return valve is arranged on the gas return pipe.

Preferably, a collecting air valve is arranged on the collecting branch pipe; and the circulating branch pipe is provided with a circulating air valve.

Preferably, the return valve is a ball valve, a butterfly valve or a gate valve; or the air outlet pipe valve is a ball valve, a butterfly valve or a gate valve; or the collecting air valve is a ball valve, a butterfly valve or a gate valve; or the circulating air valve is a ball valve, a butterfly valve or a gate valve.

Preferably, the aeration fan is provided with an air inlet pipe, and the air inlet pipe is provided with a filter.

Preferably, the number of the sewage tanks is at least two.

Preferably, the sewage pool body is one or more of a wastewater collecting pool, an adjusting pool, an anaerobic pool, a sludge concentration pool or a sedimentation pool.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a sewage station foul waste gas collecting system, sewage cell body is provided with circulation branch pipe, sewage cell body passes through circulation branch pipe and links to each other with the import of circulation tuber pipe, the export of this circulation tuber pipe links to each other with aerobic aeration tank through aeration fan, be provided with the gas reflux on this aerobic aeration tank, the gas reflux has improved the treatment rank and the number of times of waste gas, make waste gas circulating through aerobic aeration tank biodegradable's waste gas discharge into the exhaust main pipe through the aeration tank outlet duct, and carry out further processing at purifier, thereby the treatment effect of waste gas has been improved;

(2) the utility model discloses a sewage station foul waste gas collecting system, still be provided with the collection branch pipe on the sewage cell body, the sewage cell body links to each other with the import of collecting the tuber pipe through the collection branch pipe, and the export of this collection tuber pipe links to each other with the exhaust main pipe, and partial foul gas can be directly introduced purifier by centrifugal fan to reduce aeration fan's amount of wind, and then reduced the energy consumption of whole system, and can reduce the running cost;

(3) the utility model discloses a sewage station foul smell waste gas collection system sets up circulation branch pipe and collection branch pipe simultaneously, and the foul smell waste gas that gives off in the sewage cell body can be discharged through collecting the branch pipe promptly, also can introduce the aerobic aeration pond through the circulation tuber pipe and handle the back and discharge, and when circulation branch pipe damaged with collection arbitrary one pipeline of branch pipe, foul smell waste gas still can be followed another pipeline and discharged, has avoided the diffusion of foul smell waste gas, and then has ensured the security of system operation.

Drawings

FIG. 1 is a schematic structural view of a foul waste gas collecting system of a sewage station according to the present invention;

in the figure:

100. a sewage tank body;

210. collecting an air pipe; 211. a collecting air valve; 212. collecting branch pipes;

220. a circulating air duct; 221. a circulating air valve; 222. a circulation branch pipe;

230. an aeration fan; 231. an air inlet pipe; 232. a blower air pipe;

240. an aerobic aeration tank; 241. an air outlet pipe of the aeration tank; 242. an air outlet pipe valve; 243. a gas return pipe; 244. a reflux valve;

300. a centrifugal fan; 310. a main exhaust pipe; 400. a purification device.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

The following detailed description of exemplary embodiments of the invention refers to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration exemplary embodiments in which the invention may be practiced. Although these exemplary embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, it should be understood that other embodiments may be realized and that various changes to the invention may be made without departing from the spirit and scope of the present invention. The following more detailed description of the embodiments of the present invention is not intended to limit the scope of the invention, as claimed, but is presented for purposes of illustration only and not limitation to provide the best mode contemplated for carrying out the invention and to enable any person skilled in the art to practice the invention. Accordingly, the scope of the invention is to be limited only by the following claims.

The detailed description and exemplary embodiments of the invention may be better understood when read in conjunction with the following drawings, where the elements and features of the invention are identified by reference numerals.

Example 1

As shown in fig. 1, the utility model discloses a sewage station foul smell exhaust gas collecting system, including sewage cell body 100, circulation tuber pipe 220, aeration fan 230, good oxygen aeration tank 240, exhaust person in charge 310, centrifugal fan 300 and purifier 400, sewage cell body 100 hold the pond for the sewage of each stage in the sewage treatment plant treatment process, for example sewage cell body 100 is one or more in waste water collecting tank, equalizing basin, anaerobism pond, good oxygen pond, mud concentrated pond or the sedimentation tank. In this embodiment, the number of the sewage tanks 100 is 6, and the tanks are respectively a wastewater collecting tank, an adjusting tank, an anaerobic tank, an aerobic tank, a sludge concentrating tank and a sedimentation tank.

The sewage tank body 100 is provided with an upper tank body cover, the air leakage rate of the sewage tank body 100 is 5 percent, and the upper tank body cover is of a glass fiber reinforced plastic, reverse hanging membrane, plastic plate and concrete structure. A circulating branch pipe 222 is arranged on the upper cover of the tank body, namely the 6 sewage tank bodies 100 are respectively provided with the circulating branch pipes 222, and the circulating branch pipes 222 are provided with circulating air valves 221; the circulation damper 221 is used to control the opening and closing of the circulation branch pipe 222, and can adjust the flow rate of the circulation branch pipe 222.

The sewage tank body 100 is connected with the inlet of a circulating air pipe 220 through a circulating branch pipe 222, the outlet of the circulating air pipe 220 is connected with the inlet of an aeration fan 230, the outlet of the aeration fan 230 is connected with an aeration tank air inlet pipe 245, a filter is arranged on the air inlet pipe 231, air enters the aeration fan 230 through the air inlet pipe 231, and enters an aerobic aeration tank 240 after being fully mixed with the foul waste gas in the circulating air pipe 220. In order to achieve better treatment effect, a heating device may be further disposed on the air inlet pipe 231 for heating the air.

The aerobic aeration tank 240 of the embodiment is provided with an aeration gas distribution pipe at the bottom inside the tank, and the malodorous waste gas enters the aerobic aeration tank 240 through the aeration gas distribution pipe, so that the malodorous waste gas is fully contacted with the sewage in the aerobic aeration tank 240, and the malodorous waste gas is biodegraded in the aerobic aeration tank 240, thereby improving the treatment effect of the malodorous waste gas.

The aerobic aeration tank 240 of the utility model is connected with the inlet of the circulating air pipe 220 through the gas return pipe 243, the gas return pipe 243 is provided with the return valve 244, and the return flow of the gas return pipe 243 can be controlled and adjusted by the return valve 244, so that the suitable return flow can be set as required. The malodorous waste gas in the aerobic aeration tank 240 can be returned to the circulating air pipe 220 again through the gas return pipe 243, and is blown into the aerobic aeration tank 240 again through the aeration fan 230, and the malodorous waste gas is further treated by the aerobic aeration tank 240, so that the malodorous waste gas is subjected to circulating treatment, and the treatment effect of the malodorous waste gas can be improved; in addition, in order to further improve the treatment effect, a gas heater may be disposed on the return pipe 243, and the gas heater may heat the returned gas, so as to raise the temperature of the returned gas, thereby improving the biodegradation effect of the aerobic aeration tank 240 on the gas.

The aerobic aeration tank 240 of the present embodiment is connected to the main exhaust pipe 310 through an aeration tank outlet pipe 241, the aeration tank outlet pipe 241 is provided with an outlet pipe valve 242, the return flow rate of the gas return pipe 243 can be controlled through the combined action of the outlet pipe valve 242 and the return valve 244, and the return treatment amount can be set as required. Centrifugal fan 300 and purifier 400 set gradually on having exhaust main pipe 310, and centrifugal fan 300 can be for exhaust main pipe 310 exhaust waste gas provides the wind-force of induced air, and then foul smell waste gas gets into purifier 400 and carries out purification treatment, handles high altitude emission after up to standard. In order to achieve a better treatment effect, a foul smell exhaust gas drying device may be provided on the main exhaust pipe 310, so that the treatment effect of the purification apparatus 400 may be improved.

The utility model discloses a sewage station foul smell waste gas collecting system, on the basis of above-mentioned structure, in order to reach better result of use, can also include collecting air pipe 210, sewage cell body 100 on still be provided with collecting branch pipe 212 simultaneously, be about to collect branch pipe 212 and set up on the cell body upper cover, and be provided with collection blast gate 211 on collecting branch pipe 212, this collection blast gate 211 is used for controlling collecting branch pipe 212 and opens and close, can adjust the flow of collecting branch pipe 212 simultaneously; the sewage pool body 100 is connected with the inlet of the collecting air pipe 210 through the collecting branch pipe 212, the outlet of the collecting air pipe 210 is connected with the exhaust main pipe 310, the foul gas generated in the sewage pool body 100 enters the exhaust main pipe 310 through the collecting air pipe 210, and part of the foul gas can be directly introduced into the purifying device 400 through the centrifugal fan 300, so that the air quantity of the aeration fan 230 is reduced, the energy consumption of the whole system is further reduced, and the operation cost can be reduced. Moreover, because the circulation branch pipe 222 and the collection branch pipe 212 are arranged at the same time, the foul waste gas emitted from the sewage tank body 100 can be discharged through the collection branch pipe 212, and can also be discharged after being introduced into the aerobic aeration tank through the circulation air pipe 220 for treatment, when any one of the pipelines of the circulation branch pipe 222 and the collection branch pipe 212 is damaged, the foul waste gas can still be discharged from the other pipeline, so that the diffusion of the foul waste gas is avoided, and the safety of the system operation is further ensured.

The return valve 244, the outlet pipe valve 242, the collecting air valve 211 and the circulating air valve 221 are ball valves which can be opened quickly, stably and reliably, so that the stability of the operation of the system is improved, and meanwhile, the return valve 244, the outlet pipe valve 242, the collecting air valve 211 and the circulating air valve 221 can also be butterfly valves or gate valves, and the effects are basically the same. Because partial waste gas of the foul waste gas in the sewage tank body 100 of the embodiment is circularly treated, harmful components of partial foul waste gas are dissolved in the water body of the aerobic tank and can be decomposed into harmless substances through biology, and the purification effect of the foul waste gas is improved. Moreover, part of the exhaust gas directly enters the centrifugal fan 300, so that the induced air quantity of the aeration fan 230 is reduced, the energy consumption for treating the exhaust gas is reduced, and the investment and the operating cost of the purification system are further reduced.

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.

Claims

1. The utility model provides a sewage station foul smell waste gas collecting system which characterized in that: the sewage treatment device comprises a sewage tank body (100), a circulating air pipe (220), an aeration fan (230), an aerobic aeration tank (240), an exhaust main pipe (310), a centrifugal fan (300) and a purification device (400), wherein the sewage tank body (100) is provided with a circulating branch pipe (222), the sewage tank body (100) is connected with an inlet of the circulating air pipe (220) through the circulating branch pipe (222), an outlet of the circulating air pipe (220) is connected with an inlet of the aeration fan (230), the aerobic aeration tank (240) is provided with an aeration tank air inlet pipe (245), a gas return pipe (243) and an aeration tank air outlet pipe (241), and an outlet of the aeration fan (230) is connected with the aeration tank air inlet pipe (245); the aerobic aeration tank (240) is connected with the inlet of the circulating air pipe (220) through a gas return pipe (243), the aerobic aeration tank (240) is connected with the exhaust main pipe (310) through an aeration tank air outlet pipe (241), and the centrifugal fan (300) and the purification device (400) are sequentially arranged on the exhaust main pipe (310).

2. The sewage station malodorous waste gas collection system of claim 1, wherein: still including collecting tuber pipe (210), sewage cell body (100) on still be provided with collection branch pipe (212), sewage cell body (100) link to each other through collecting branch pipe (212) and the import of collecting tuber pipe (210), the export and the exhaust of this collection tuber pipe (210) are responsible for (310) and link to each other.

3. The sewage station malodorous waste gas collection system of claim 2, wherein: an air outlet pipe valve (242) is arranged on an air outlet pipe (241) of the aeration tank; and a return valve (244) is provided on the gas return pipe (243).

4. The sewage station malodorous waste gas collection system of claim 2, wherein: the collecting branch pipe (212) is provided with a collecting air valve (211); and a circulating air valve (221) is arranged on the circulating branch pipe (222).

5. The sewage station malodorous waste gas collection system of claim 3 or 4, wherein: the return valve (244) is a ball valve, a butterfly valve or a gate valve; or the vent pipe valve (242) is a ball valve, a butterfly valve or a gate valve; or the collecting air valve (211) is a ball valve, a butterfly valve or a gate valve; or the circulating air valve (221) is a ball valve, a butterfly valve or a gate valve.

6. The sewage station malodorous waste gas collection system of any of claims 1 to 4, wherein: an air inlet pipe (231) is arranged on the aeration fan (230), and a filter is arranged on the air inlet pipe (231).

7. The sewage station malodorous waste gas collection system of any of claims 1 to 4, wherein: the number of the sewage tanks (100) is at least two.

8. The sewage station malodorous waste gas collection system of claim 7, wherein: the sewage tank body (100) is one or more of a waste water collecting tank, an adjusting tank, an anaerobic tank, a sludge concentration tank or a sedimentation tank.