CN213965995U

CN213965995U - Sewage odor synergistic washing spray tower

Info

Publication number: CN213965995U
Application number: CN202022480376.0U
Authority: CN
Inventors: 刘俊; 汪源; 匡光辉; 朱占恒; 肖治浪; 张凯航; 肖娇婷; 匡生名
Original assignee: Jiangxi Maosheng Environment Co ltd
Current assignee: Jiangxi Maosheng Environment Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-08-17
Anticipated expiration: 2030-10-31

Abstract

The utility model discloses a sewage odor synergistic washing spray tower, which comprises a liquid storage tank, a spray tower and a liquid pumping component for pumping liquid in the liquid storage tank into the spray tower, wherein the lower part of the spray tower is an air inlet end, the top of the spray tower is an air outlet end, a flow equalizing component, a first spray pipe, an adsorption bed, a second spray pipe and a biological packed bed are sequentially arranged on the spray tower from bottom to top, and the first spray pipe and the second spray pipe are both communicated with the liquid pumping component; the subassembly that flow equalizes includes the rotation axis, installs the whirl board at the rotation axis top, the whirl board include with rotation axis fixed mounting's flange cover with install a plurality of groups turbine formula blades on the flange cover outer edge, the whirl board is located the top of inlet end. The utility model discloses set up subassembly, first shower, adsorption bed, second shower and the biological packing bed of flow equalizing from bottom to top for getting rid of foul smell more thoroughly, high-efficient.

Description

Sewage odor synergistic washing spray tower

Technical Field

The utility model belongs to the technical field of the environmental protection, concretely relates to sewage foul smell synergy washing spray column.

Background

In sewage treatment, the odorous substances in sewage and separated sludge are derived from anaerobic biological reactions consuming organic matter, sulfur and nitrogen, and municipal sewage contains sufficient organic sulfur and inorganic sulfate to cause generation of odor. Odoriferous chemicals include organic and inorganic molecules. The inorganic gases constituting the odor are mainly hydrogen sulfide and ammonia, while the organic gases are a variety of extremely complex odor substances generated when organic substances are degraded, including indole, skatole, mercaptan and amine.

In order to meet the environmental emission standard, the odor generated in the sewage treatment process needs to be collected and purified by a chemical or biological method, wherein the chemical method is to use a chemical agent to react with hydrogen sulfide or ammonia gas in odor gas for further elimination by a method such as spraying forest and the like, and the method is the most common and most extensive method for sewage odor treatment at present. The spray absorption method is to spray the odor through the liquid treating agent to settle the water-soluble and large-particle components in the odor, thereby achieving the purpose of separating pollutants from clean air. The existing spraying device has incomplete odor absorption efficiency, so that the odor is not completely removed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects and the difficult problems in the prior art, the utility model aims at providing a sewage odor synergistic washing spray tower.

The utility model discloses a following technical scheme realizes:

a sewage odor synergistic washing spray tower comprises a liquid storage tank, a spray tower and a liquid pumping assembly for pumping liquid in the liquid storage tank into the spray tower, wherein the lower part of the spray tower is an air inlet end, the top of the spray tower is an air outlet end, a flow equalizing assembly, a first spray pipe, an adsorption bed, a second spray pipe and a biological packed bed are sequentially arranged on the spray tower from bottom to top, and the first spray pipe and the second spray pipe are communicated with the liquid pumping assembly; the subassembly that flow equalizes includes the rotation axis, installs the whirl board at the rotation axis top, the whirl board include with rotation axis fixed mounting's flange cover with install a plurality of groups turbine formula blades on the flange cover outer edge, the whirl board is located the top of inlet end.

Furthermore, a baffle plate is additionally arranged between the second spray pipe and the biological packed bed.

Furthermore, the bottom of the spray tower is provided with a gas distribution pipe which is communicated with the gas inlet end in a sealing way, and the gas distribution pipe is provided with a plurality of gas nozzles.

Furthermore, a group of filter screens is additionally arranged between the air distribution pipe and the rotational flow plate.

Further, a stirrer is arranged in the liquid storage tank.

Compared with the prior art, the utility model discloses beneficial effect includes:

(1) the utility model discloses set up subassembly, first shower, adsorption bed, second shower and the biological packing bed of flow equalizing from bottom to top for getting rid of foul smell more thoroughly, high-efficient.

(2) The utility model discloses set up the subassembly that flow equalizes and make liquid and gas more even, comprehensive contact, the foul smell air current from the top upwards flow produce rotatory and centrifugal motion when passing through wheeled blade, absorb liquid medicine top-down spout and form thin liquid layer to wheeled blade on, form rotatory and centrifugal effect with rotatory ascending foul smell air current, spout into tiny liquid drop and get rid of behind the tower wall, the foul smell air current makes relative motion in the tower with the absorption liquid medicine and forms the water film of very big surface area to the absorbing action has been improved greatly.

(3) The utility model discloses set up the gas distribution pipe for lay out on the plane fast in waste gas gets into the spray column, can upwards transmit more evenly.

(4) The utility model discloses set up baffling board, filter screen, play and keep apart the filtering action.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Illustration of the drawings: 1-a liquid storage tank, 2-a spray tower, 3-a filter screen, 4-a flow equalizing assembly, 401-a rotating shaft, 402-a cyclone plate, 5-an adsorption bed, 6-a biological packed bed, 7-a stirrer, 8-a liquid extracting assembly, 9-a first spray pipe, 10-a second spray pipe, 11-a baffle plate and 12-a gas distribution pipe.

In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, integrally connected; can be mechanical connection and electrical connection; may be directly connected, indirectly connected through intervening agents, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood to be specific to those skilled in the art.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, a sewage odor synergistic washing spray tower comprises a liquid storage tank 1, a spray tower 2 and a liquid pumping assembly 8 for pumping liquid in the liquid storage tank 1 into the spray tower 2, wherein the lower part of the spray tower 2 is an air inlet end, and the top part of the spray tower 2 is an air outlet end, the spray tower 2 is sequentially provided with a flow equalizing assembly 4, a first spray pipe 9, an adsorption bed 5, a second spray pipe 10 and a biological packed bed 6 from bottom to top, and the first spray pipe 9 and the second spray pipe 10 are both communicated with the liquid pumping assembly 8 and are used for spraying absorption liquid medicine into the spray tower 2; the flow equalizing assembly 4 enables liquid to be in more uniform and comprehensive contact with gas; the adsorption bed 5 adopts adsorption devices such as active carbon and the like, and is used for carrying out fine treatment on the gas after primary absorption and washing, so that the treatment efficiency is improved; the biological packing bed 6 is used for further treating the part of the odor which is difficult to absorb and the waste gas which is not completely treated by front-end washing and spraying, so that the odor is removed more completely.

Flow equalizing assembly 4 includes rotation axis 401, install the whirl board 402 at rotation axis 401 top, whirl board 402 include with rotation axis 401 fixed mounting's flange cover with install a plurality of sets of turbine formula blades on the flange cover outer edge, the foul smell air current from the top up produces rotatory and centrifugal motion when flowing through wheeled blade, absorb liquid medicine top-down spout and form thin liquid layer to wheeled blade on, form rotatory and centrifugal effect with rotatory ascending foul smell air current, spout into tiny liquid drop and get rid of behind the tower wall, the foul smell air current makes relative motion in the tower with the absorption liquid medicine and forms the water film of very big surface area, thereby the absorption has been improved greatly. The swirl plate 402 is located above the air intake end.

A baffle plate 11 is additionally arranged between the second spray pipe 10 and the biological packed bed 6, and the baffle plate 11 plays a role in isolation, so that the entering of sprayed water vapor is reduced, and the humidity of the biological packed bed 6 is kept controllable.

The bottom of the spray tower 2 is provided with a gas distribution pipe 12 which is communicated with the gas inlet end in a sealing way, and the gas distribution pipe 12 is provided with a plurality of gas nozzles, so that waste gas enters the spray tower 2 and is laid on the plane rapidly, and the waste gas can be transferred upwards more uniformly.

A group of filter screens 3 are additionally arranged between the air distribution pipe 12 and the cyclone plate 402 so as to avoid the blockage of subsequent units caused by particle impurities contained in the entering waste gas.

The stirrer 7 is arranged in the liquid storage tank 1, so that the absorption liquid is more uniform, and the absorption efficiency is indirectly improved.

The liquid pumping assembly 8 comprises units such as a pipeline, a pump body, a valve and the like, and is designed conventionally, and is not described in detail herein.

The absorption liquid medicine in the utility model can be liquid allowed in the field, and the principle is that certain substances in the odor and the liquid medicine are utilized to generate the characteristic of neutralization reaction, such as water, alkaline caustic soda and sodium hypochlorite solution, hydrochloric acid or sulfuric acid and other acidic solutions, such as ammonia gas and hydrogen sulfide gas in the odor are contacted and dissolved with water; removing acidic substances such as hydrogen sulfide, organic acid and the like in odor by using alkaline caustic soda and sodium hypochlorite solution; alkaline substances such as ammonia gas in odor are removed by an acidic solution such as hydrochloric acid or sulfuric acid. Simultaneously when the composition is more complicated in the foul smell air current, need adopt a plurality of the utility model discloses a spray column composition absorption system lets the foul smell gas pass through the contact tower who is equipped with different performance liquid medicines gradually.

The utility model discloses in still include rotation axis 401 pivoted drive and control system, the bleed air and the air exhaust device of inlet end and the end of giving vent to anger, do not mark in the figure, adopt conventional design, do not explain here in detail.

The foregoing merely illustrates preferred embodiments of the present invention, which are described in considerable detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a sewage foul smell synergism washing spray column which characterized in that: the device comprises a liquid storage tank (1), a spray tower (2) and a liquid pumping assembly (8), wherein the lower part of the spray tower (2) is an air inlet end, the top of the spray tower (2) is an air outlet end, a flow equalizing assembly (4), a first spray pipe (9), an adsorption bed (5), a second spray pipe (10) and a biological packed bed (6) are sequentially arranged on the spray tower (2) from bottom to top, and the first spray pipe (9) and the second spray pipe (10) are communicated with the liquid pumping assembly (8); flow equalizing assembly (4) include rotation axis (401), install whirl board (402) at rotation axis (401) top, whirl board (402) include with rotation axis (401) fixed mounting's flange lid with install a plurality of groups turbine formula blades on the flange lid outer edge, whirl board (402) are located the top of inlet end.

2. The synergistic washing spray tower for sewage odor according to claim 1, characterized in that: a baffle plate (11) is additionally arranged between the second spray pipe (10) and the biological packing bed (6).

3. The synergistic washing spray tower for sewage odor according to claim 1, characterized in that: the bottom of the spray tower (2) is provided with a gas distribution pipe (12) which is communicated with the gas inlet end in a sealing way, and the gas distribution pipe (12) is provided with a plurality of gas nozzles.

4. The sewage odor synergistic washing spray tower of claim 3, which is characterized in that: a group of filter screens (3) are additionally arranged between the air distribution pipe (12) and the cyclone plate (402).

5. The synergistic washing spray tower for sewage odor according to claim 1, characterized in that: a stirrer is arranged in the liquid storage tank (1).