CN214764535U

CN214764535U - Sewage treatment waste gas deodorization system

Info

Publication number: CN214764535U
Application number: CN202121253297.4U
Authority: CN
Inventors: 裴登明
Original assignee: Nanjing Kechuang Environmental Engineering Development Co ltd
Current assignee: Nanjing Kechuang Environmental Engineering Development Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-11-19
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a sewage treatment waste gas deodorization system, this sewage treatment waste gas deodorization system include casing (5), be equipped with ultraviolet light oxygen chamber (3) that communicate in proper order in casing (5), spray chamber (23), biofiltration chamber (20) and medium degradation chamber (17) in advance, be equipped with air inlet (1) on ultraviolet light oxygen chamber (3), be equipped with the gas vent on medium degradation chamber (17), the setting of straggling about in proper order is gone up to intercommunication mouth between each chamber to make waste gas get into next cavity again after preceding cavity is handled completely. The utility model combines a plurality of waste gas treatment modes, and has better synchronous treatment effect and higher treatment efficiency compared with the traditional single mode; the communication mouth between every cavity sets up by mistake from top to bottom in proper order to just can get into next cavity after making waste gas fully handle as far as possible in preceding cavity, promote the treatment effect.

Description

Sewage treatment waste gas deodorization system

Technical Field

The utility model relates to a sewage treatment plant specifically, relates to a sewage treatment waste gas deodorization system.

Background

The process of purifying sewage for its quality to be discharged into a water body or reused is called sewage treatment. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people. Along with the acceleration of the urbanization process, the urban sewage treatment facility is more perfect, and the aims of reducing pollution and protecting the environment are fulfilled. Municipal sewage facilities are used as fixed municipal facilities widely distributed in a city core area, and a large amount of malodorous gas can be generated in the operation process. The odor refers to all odors which can stimulate olfactory tracheas of people to cause unpleasant feelings of people and damage living environment and human health, the municipal sewage not only contains a large amount of bacteria and organic pollutants, but also has non-negligible influence on environmental quality and people's life.

At present, common processes for treating the foul odor waste gas of the sewage treatment plant comprise purification modes of photo-oxidation, plant liquid, microorganism and the like. The single mode has undesirable synchronous treatment effect on the odor.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a sewage treatment waste gas deodorization system, this deodorization system uses multiple waste gas deodorization mode cooperation, promotes deodorization efficiency and effect.

In order to realize the above object, the utility model provides a sewage treatment waste gas deodorization system, this deodorization system include the casing, be equipped with the ultraviolet light oxygen chamber that communicates in proper order in the casing, spray chamber, biofiltration chamber and medium degradation chamber in advance, be equipped with the air inlet on the ultraviolet light oxygen chamber, be equipped with the gas vent on the medium degradation chamber, the setting of straggling about the intercommunication mouth between each chamber is in proper order to make waste gas can get into next cavity again after preceding cavity is handled completely.

Preferably, an air inlet buffer cavity is arranged at the air inlet.

Preferably, an S-shaped gas flow channel is formed in the ultraviolet light oxygen chamber, and at least one ultraviolet lamp is arranged in the S-shaped gas flow channel.

Further preferably, a baffle plate extending into the S-shaped airflow channel is arranged at the air inlet.

Specifically, a first water distribution packing layer and a first spray nozzle which is positioned above the first water distribution packing layer and used for spraying water to the first water distribution packing layer are arranged in the pre-spraying cavity.

Specifically, the middle part of the biological filter cavity is provided with a biological filler layer, and the biological filler layer divides the biological filter cavity into an air distribution cavity and a buffer cavity.

Specifically, a second spray head is arranged in the buffer cavity and connected with spray water.

Specifically, a second water distribution packing layer and a third nozzle positioned above the second water distribution packing layer are arranged in the medium degradation cavity, and the third nozzle is connected with electrolyzed water.

Preferably, an air outlet cavity is connected behind the medium degradation cavity, and demisting fillers are arranged in the air outlet cavity.

Furthermore, an exhaust fan is connected to the air outlet cavity through an exhaust pipeline.

Through the technical scheme, the utility model discloses a following beneficial effect:

1. the utility model discloses set up ultraviolet light oxygen chamber, spraying chamber in advance, biofiltration chamber and medium degradation chamber that communicate in proper order in the casing for waste gas gets into wherein in proper order by chain scission and oxidation, washing, biological decomposition, degradation purification, discharge up to standard at last, multiple waste gas treatment mode combines the use, and compared with traditional single mode, synchronous treatment effect is better, the treatment effeciency is also higher; the communication ports between the chambers are sequentially arranged in a staggered manner from top to bottom, so that the waste gas can enter the next chamber after being fully treated in the previous chamber as much as possible, and the treatment effect is improved;

2. in a preferred embodiment of the present invention, the ultraviolet oxygen chamber is formed with an S-shaped air flow channel, which can extend the path of the exhaust gas in a limited space, and thus extend the traveling time of the exhaust gas in the ultraviolet oxygen chamber, so that the time of the exhaust gas irradiated by the ultraviolet lamp is longer, and the molecular chain scission is more thorough.

Drawings

Figure 1 is a schematic structural view of a preferred embodiment of the present invention,

the arrows in the figure indicate the direction of the air flow.

Description of the reference numerals

1-air inlet, 2-ultraviolet lamp, 3-ultraviolet oxygen chamber, 4-guide plate, 5-shell, 6-first spray nozzle, 8-buffer chamber, 9-second spray nozzle, 10-third spray nozzle, 11-demisting filler, 12-chimney, 13-exhaust fan, 14-exhaust pipeline, 15-purge port, 16-air outlet chamber, 17-medium degradation chamber, 18-second water distribution filler layer, 19-purge port, 20-biological filter chamber, 21-biological filler layer, 22-first water distribution filler layer, 23-pre-spray chamber, 24-air inlet buffer chamber, 25-purge port

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

It should be noted that, in the following description, for clarity of explanation, directional terms such as "outer", "inner", "up", "down", etc. are used according to the meaning of the components of the exhaust gas deodorization system, for example, the portion where the gas passes is inner, and the portion opposite to the inner is outer. This is merely for convenience in describing the invention and to simplify the description, and is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, and therefore the features defined "first", "second", "third" may explicitly or implicitly include one or more of the features described.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The filler is volcanic rock, plastic ball, etc.

As shown in figure 1, sewage treatment waste gas deodorization system include casing 5, be equipped with the ultraviolet light oxygen chamber 3 that communicates in proper order in casing 5, spray chamber 23, biofiltration chamber 20 and medium degradation chamber 17 in advance, be equipped with air inlet 1 on the ultraviolet light oxygen chamber 3, be equipped with the gas vent on the medium degradation chamber 17, the setting of straggling about the intercommunication mouth between each chamber is in proper order to make waste gas can get into next cavity again after preceding cavity is handled completely.

The utility model discloses in, waste gas gets into ultraviolet light oxygen chamber 3 from air inlet 1 and is broken chain and oxidation, then gets into and spray 23 washing in advance in the chamber, goes into biofiltration chamber 20 after washing purification, and the degradable material in the waste gas is decomposed by adnexed microorganism on this bio-packing layer 21, and waste gas after the biodegradable flows into subsequent medium degradation chamber 17, further degradation purification, discharge up to standard at last. The utility model discloses use multiple exhaust-gas treatment mode jointly, for traditional single mode, synchronous treatment is better, the treatment effeciency is also higher.

The communication mouth between every cavity sets up by mistake from top to bottom in proper order to just can get into next cavity after making waste gas fully handle as far as possible in preceding cavity, promote the treatment effect.

An air inlet buffer cavity 24 is arranged at the air inlet 1, and air flow is decelerated and buffered through the air inlet buffer cavity 24, so that the air flow can stably advance in a subsequent processing chamber and is further processed more thoroughly.

As a preferred embodiment of the present invention, an S-shaped air flow channel is formed in the ultraviolet light oxygen chamber 3, and at least one ultraviolet lamp 2 is disposed in the S-shaped air flow channel. The waste gas advances in the S-shaped gas flow channel, the advancing path of the waste gas can be prolonged in a limited space, the advancing time of the waste gas in the ultraviolet light oxygen cavity 3 is prolonged, the irradiation time of the waste gas by the ultraviolet lamp 2 is longer, and the molecular chain breaking is more thorough. In addition, the ultraviolet lamp can also generate a small amount of ozone to carry out preliminary oxidative degradation on the chain-broken polluted molecules. The plurality of UV lamps 2 may use UV lamps of different wavelength bands to enhance the decomposition and oxidation effects.

And a guide plate 4 extending into the S-shaped airflow channel is arranged at the air inlet 1 so as to directly introduce waste gas into the air inlet end of the S-shaped airflow channel.

Specifically, a first water distribution packing layer 22 and a first spray nozzle 6 which is positioned above the first water distribution packing layer 22 and used for spraying water to the first water distribution packing layer 22 are arranged in the pre-spraying cavity 23. The first spray head 6 sprays the circulating water on the first water distribution packing layer 22, so that the circulating water is uniformly distributed and fully contacted with the waste gas, and the washing effect is enhanced. Meanwhile, the circulating water adjusts the PH value of the waste gas at the section, so that the waste gas has a proper PH value for subsequent biodegradation reaction.

And the middle part of the biological filter cavity 20 is provided with a biological filler layer 21, and the biological filler layer 21 divides the biological filter cavity 20 into a lower air distribution cavity and an upper buffer cavity 8. The space of the air distribution cavity is large, the air flow can be decelerated and diffused after entering, and then passes through the biological filler layer 21 on the upper part, and degradable substances in the waste gas are decomposed by microorganisms attached to the biological filler layer 21 and then flow into the buffer cavity 8. Microbial flora is fixed on the filler, when the polluted gas passes through the surface of the microorganism, the microbial flora which can obtain a nutrient source from the polluted gas can grow and reproduce quickly under the conditions of proper temperature, humidity, pH value and the like, a biological film is formed on the surface of the filler, when the waste gas passes through the biological film, organic matters are absorbed by a water layer on the surface of the biological film and then are absorbed and degraded by the microorganism, and the obtained purified and regenerated water is reused. The essence of pollutant removal is that the waste gas is taken as nutrient substance to be absorbed, metabolized and utilized by microorganisms.

And a second spray nozzle 9 is arranged in the buffer cavity 8, the second spray nozzle 9 is connected with spray water, circulating water is sprayed on the biological filler layer 21 to keep proper humidity in the biological filler layer 21, and further the reactivity of the biological filler layer 21 is ensured.

A second water distribution packing layer 18 and a third nozzle 10 positioned above the second water distribution packing layer 18 are arranged in the medium degradation cavity 17, and the third nozzle 10 is connected with electrolyzed water. The waste gas after biodegradation flows into a subsequent medium degradation cavity 17 through the buffer cavity 8, and the third nozzle 10 sprays electrolyzed water on the second water distribution packing layer 18 in the region, so that the waste gas is fully contacted with the electrolyzed water on the second water distribution packing layer 18, and degradation and purification are achieved. The medium degraded water is novel electrolyzed functional water and is produced by natural water through degradation equipment (such as a BQ-01 TDR water ionizer manufactured by Baoji Shuangrui titanium anode titanium products). The medium degradation water is a super-gaseous electrolyte flow device with a high energy field, and a large amount of alkaline reducing water, acidic oxidizing water and neutral water are rapidly generated through technical control, and the water contains a large amount of free radicals with oxidizing property or reducing property, so that malodorous molecules in the waste gas are fully degraded.

As another embodiment of the medium degradation cavity 17 of the utility model, the bottom of the medium degradation cavity 17 is filled with electrolyzed water, the air pipe is connected with the communicating port of the biological filter cavity 20 and the medium degradation cavity 17, the air pipe extends to the electrolyzed water, and the waste gas is degraded by the electrolyzed water.

The malodorous components in the waste gas after ultraviolet light oxidation, spray washing, biodegradation and medium degradation are basically removed, and the emission standard is reached. However, in order to remove the water mist, the medium degradation chamber 17 is connected with an air outlet chamber 16, and the air outlet chamber 16 is provided with demisting fillers 11, so that the water mist is trapped when the water mist-containing exhaust gas flows through.

In order to increase the working efficiency, the air outlet cavity 16 is connected with an exhaust fan 13 through an exhaust pipeline 14. The exhaust fan 13 draws exhaust air from an exhaust duct 14. If necessary, the air is discharged to the high altitude through a chimney 12 at the tail end.

The water at the bottom of the system is emptied and changed through the emptying port at the bottom of each cavity.

The following is a preferred embodiment of the present invention.

As shown in fig. 1, the sewage treatment waste gas deodorization system comprises a housing 5, wherein an ultraviolet light oxygen chamber 3, a pre-spraying chamber 23, a biological filter chamber 20, a medium degradation chamber 17 and an air outlet chamber 16 are arranged in the housing 5, a chimney 12 is arranged outside the housing 5, an air inlet 1 is arranged at the bottom of the ultraviolet light oxygen chamber 3, a guide plate 4 extending into the S-shaped air flow channel is arranged at the air inlet 1, an air outlet is arranged on the medium degradation chamber 17, an air inlet buffer chamber 24 is arranged at the air inlet 1, the S-shaped air flow channel is formed in the ultraviolet light oxygen chamber 3, 3 ultraviolet lamps 2 are arranged in a first bend and a second bend in the S-shaped air flow channel, the first bend uses a UV ultraviolet lamp with a 254nm waveband, and the second bend uses a UV ultraviolet lamp with a 185nm waveband. The pre-spraying cavity 23 is provided with a first water distribution packing layer 22 and a first spray nozzle 6 which is positioned above the first water distribution packing layer 22 and is used for spraying water to the first water distribution packing layer 22. The middle part of the biological filter cavity 20 is provided with a biological filler layer 21, the biological filter cavity 20 is divided into an air distribution cavity and a buffer cavity 8 by the biological filler layer 21, and the buffer cavity 8 is internally provided with a second spray head 9. The medium degradation cavity 17 is provided with a second water distribution packing layer 18 and a third nozzle 10 positioned above the second water distribution packing layer 18. An exhaust fan 13 is connected to the outlet cavity 16 through an exhaust duct 14 to draw the gas in the outlet cavity 16 into the chimney 12 for discharging. The communication ports of the ultraviolet light oxygen cavity 3 and the pre-spraying cavity 23 are positioned at the tops of the ultraviolet light oxygen cavity 3 and the pre-spraying cavity 23, the communication ports of the pre-spraying cavity 23 and the biological filter cavity 20 are positioned at the bottoms of the pre-spraying cavity 23 and the biological filter cavity 20, the communication ports of the biological filter cavity 20 and the medium degradation cavity 17 are positioned at the tops of the biological filter cavity 20 and the medium degradation cavity 17, and the communication ports of the medium degradation cavity 17 and the gas outlet cavity 16 are positioned below the second water distribution filler layer 18. The bottom of the ultraviolet light oxygen cavity 3 is provided with a purge outlet 25, the bottom of the biological filter cavity 20 is provided with a purge outlet 18, the bottom of the air outlet cavity 16 is communicated with the bottom of the medium degradation cavity 17, and the bottom of the air outlet cavity 16 is provided with a purge outlet 15.

As can be seen from the above description, the present invention has the following advantages: the utility model discloses set up ultraviolet light oxygen chamber 3, spray chamber 23 in advance, biofiltration chamber 20 and medium degradation chamber 17 that communicate in proper order in casing 5 for waste gas gets into wherein in proper order by chain scission and oxidation, washing, biological decomposition, degradation purification, discharge up to standard at last, multiple waste gas treatment mode combines the use, and compared with traditional single mode, synchronous treatment is better, treatment effeciency is also higher; the communication mouth between every cavity sets up by mistake from top to bottom in proper order to just can get into next cavity after making waste gas fully handle as far as possible in preceding cavity, promote the treatment effect.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The utility model provides a sewage treatment waste gas deodorization system, its characterized in that, includes casing (5), be equipped with ultraviolet light oxygen chamber (3) that communicate in proper order in casing (5), spray chamber (23), biofiltration chamber (20) and medium degradation chamber (17) in advance, be equipped with air inlet (1) on ultraviolet light oxygen chamber (3), be equipped with the gas vent on medium degradation chamber (17), the setting of straggling about in proper order is gone wrong down in the intercommunication mouth between each chamber to make waste gas can get into next cavity after preceding cavity is handled completely.

2. The sewage treatment exhaust gas deodorization system according to claim 1, wherein an intake buffer chamber (24) is provided at the intake port (1).

3. The sewage treatment exhaust gas deodorization system according to claim 1, wherein the ultraviolet light oxygen chamber (3) has an S-shaped air flow channel formed therein, and at least one ultraviolet lamp (2) is provided in the S-shaped air flow channel.

4. A sewage treatment waste gas deodorization system as set forth in claim 3, characterized in that a baffle (4) extending into the S-shaped air flow passage is provided at the air inlet (1).

5. The sewage treatment exhaust gas deodorization system according to claim 1, wherein a first water distribution packing layer (22) and a first spray nozzle (6) for spraying water to the first water distribution packing layer (22) are provided in the pre-spray chamber (23) above the first water distribution packing layer (22).

6. The sewage treatment waste gas deodorization system according to claim 1, wherein a bio-packing layer (21) is disposed in the middle of the bio-filter chamber (20), and the bio-packing layer (21) divides the bio-filter chamber (20) into a gas distribution chamber and a buffer chamber (8).

7. The sewage treatment waste gas deodorization system according to claim 6, wherein a second spray head (9) is disposed in the buffer chamber (8), and the second spray head (9) is connected with spray water.

8. The sewage treatment waste gas deodorization system according to claim 1, wherein a second water distribution and packing layer (18) and a third spray nozzle (10) positioned above the second water distribution and packing layer (18) are arranged in the medium degradation chamber (17), and the third spray nozzle (10) is connected with electrolyzed water.

9. The sewage treatment waste gas deodorization system according to any one of claims 1-8, wherein an air outlet cavity (16) is connected behind the medium degradation cavity (17), and a demisting filler (11) is arranged in the air outlet cavity (16).

10. The sewage treatment waste gas deodorization system as set forth in claim 9, wherein an exhaust fan (13) is connected to said outlet chamber (16) through an exhaust duct (14).