CN211358312U - Waste gas treatment device based on chemical washing deodorization - Google Patents

Abstract

The utility model discloses an exhaust treatment device based on chemical washing is deodorant, including preceding stage spraying washing absorption processing line, gas transmission line and open and close the control line, preceding stage spraying washing absorption processing line includes the storage water tank, washes pond, biological filter, centralized well and water seal well in advance, gas transmission line is including collecting tuber pipe, centrifugal fan and circulating line, open and close the control line and include first liquid level relay, second liquid level relay and heterogeneous control valve, the storage water tank has first ball-cock assembly through the pipe connection. The utility model discloses have preceding stage spraying washing absorption treatment, multistage biofiltration absorption decomposition absorption function, biofilm carrier is moisturized and is sprayed, auxiliary system such as heat preservation, heating system, tap water and circulating water are changeable, and the automatic continuous operation of device can administer foul gas, nimble through transform washing absorption medicament, and biofiltration bed packs and microbial strains administers complicated mixed foul smell.

Description

Waste gas treatment device based on chemical washing deodorization

Technical Field

The utility model relates to an exhaust-gas treatment technical field especially relates to a deodorant exhaust treatment device based on chemical washing.

Background

The chemical washing deodorization is mainly characterized in that acid (sulfuric acid), alkali (sodium hydroxide) and strong oxidant (sodium hyposulfite) are used as washing spray solutions to be in gas-liquid contact with odor molecules in gas according to odor components, so that the odor components in the gas phase are transferred to the liquid phase, and odor substances are removed through neutralization, oxidation or other chemical reactions between chemical agents and the odor components.

The existing chemical washing deodorization can generate a lot of waste gases and odors, excessive acid is introduced and the odor is treated by medicament, so that the substances in the odors cannot be effectively removed, and meanwhile, the waste cost of the peracid and the medicament is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an exhaust gas treatment device based on chemical washing deodorization.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an exhaust treatment device based on chemical scrubbing deodorization, includes preceding stage spraying washing absorption processing line, gas transmission line and opens and close the control line, preceding stage spraying washing absorption processing line includes the storage water tank, washes pond, biological filter in advance, centralized well and water seal well, gas transmission line is including collecting tuber pipe, centrifugal fan and circulating line, it includes first liquid level relay, second liquid level relay and heterogeneous control valve to open and close the control line, the storage water tank has first ball-cock assembly through the pipe connection, the storage water tank has spray water pump through pipe connection built-in, spray water pump has the spray rack through pipe connection, centralized well and water seal well are connected respectively and are equipped with inside and outside water collection well connecting pipe and drain pipe, preceding stage spraying washing absorption processing line's terminal is equipped with the cistern, and the outside of cistern is equipped with the delivery pipe, centralized well and water seal well are through connecting second liquid level relay and moisturizing end link up, the centralized well is connected with a circulating water pump through a pipeline, the collecting air pipe is input into a circulating pipeline through a centrifugal fan, and the circulating pipeline is introduced into the prewashing pool.

Preferably, the first liquid level relay is connected between the water storage tank and the spray water pump in parallel, and the second liquid level relay is connected between the inner and outer water collecting well connecting pipes and the water discharging pipe in parallel.

Preferably, the end part of the water seal well is connected with the water seal well through a pipeline, and the water seal well is provided with a closed cover.

Preferably, the first ball float valve and the second ball float valve have the same limiting height of the floating balls, and the first ball float valve and the second ball float valve are matched with the liquid level signals of the first liquid level relay and the second liquid level relay.

Preferably, the water outlet end of the circulating water pump is connected with a circulating water spray pipe and a spray rack, and the spray rack is positioned right above the pre-washing tank.

Preferably, centrifugal fan, spray water pump, circulating water pump and two sets of liquid level relays all are connected with the switch, and the switch is connected with the power cord.

The utility model has the advantages that:

1. the waste gas treatment device has the functions of pre-stage spraying, washing, absorbing, decomposing and absorbing, multi-stage biological filter bed absorbing, decomposing and absorbing, auxiliary systems for moisturizing and spraying biological filler, a heat insulation layer, a heating system, switching between tap water and circulating water and the like, and an automatic control system, can realize automatic and continuous operation of the whole device, and is capable of treating certain specific malodorous gases, flexibly treating complex mixed odor only by changing washing and absorbing agents, biological filter bed filler and microbial strains and achieving the treatment effect of achieving twice the result with half the effort;

2. the filling layer of the front-stage washing area of the waste gas treatment device is filled with organic filler in high-efficiency gas-liquid contact, the water storage tank at the bottom is specially designed and has a sewage discharge function, water in the water outlet tank can be recycled through the water pump, the front water storage tank, the rear water storage tank and the water pump circulating system are independent respectively and are provided with water replenishing valves, treatment liquid in the treatment structure can be recycled until the treatment liquid is saturated, and the treatment effect is improved.

Drawings

Fig. 1 is a schematic diagram of the general structure of an exhaust gas treatment device based on chemical scrubbing deodorization according to the present invention;

fig. 2 is a schematic diagram of a biofilter treatment of a waste gas treatment device based on chemical washing deodorization of the present invention.

In the figure: the system comprises a centrifugal fan 1, a biological filter 2, a pre-washing tank 3, a spray frame 4, a discharge pipe 5, a first ball float valve 6, a water storage tank 7, a first liquid level relay 8, a spray water pump 9, a second ball float valve 10, a circulating water pump 11, a second liquid level relay 12, a centralized well 13 and a water seal well 14.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-2, a waste gas treatment device based on chemical washing deodorization comprises a pre-stage spray washing absorption treatment line, a gas transmission line and an on-off control line, wherein the pre-stage spray washing absorption treatment line comprises a water storage tank 7, a pre-washing tank 3, a biological filter 2, a concentration well 13 and a water seal well 14, the gas transmission line comprises a collection air pipe, a centrifugal fan 1 and a circulating pipeline, the on-off control line comprises a first liquid level relay 8, a second liquid level relay 12 and a multiphase control valve, the water storage tank 7 is connected with a first ball float valve 6 through a pipeline, the water storage tank 7 is connected with a spray water pump 9 through a pipeline, the spray water pump 9 is connected with a spray frame 4 through a pipeline, the concentration well 13 and the water seal well 14 are respectively connected with an inner and outer water collection well connecting pipe and a water discharge pipe, a water reservoir is arranged at the terminal of the pre, the centralized well 13 and the water seal well 14 are communicated with a water replenishing end through connecting a second liquid level relay 12, the centralized well 13 is connected with a circulating water pump 11 through a pipeline, a collecting air pipe is input into the circulating pipeline through a centrifugal fan 1, the circulating pipeline is introduced into the prewashing pool 3, a first liquid level relay 8 is connected between a water storage tank 7 and a spraying water pump 9 in parallel, the second liquid level relay 12 is connected with an inner and outer water collecting well connecting pipe and a water discharging pipe in parallel, the end part of the water seal well 14 is connected with the water seal well 14 through a pipeline, the water seal well 14 is provided with a sealing cover, the limiting heights of the floating balls of the first floating ball valve 6 and the second floating ball valve 10 are the same, the first floating ball valve 6 and the second floating ball valve 10 are matched with the liquid level signals of the first liquid level relay 8 and the second liquid level relay 12, the water outlet end of the circulating water pump 11 is connected with a circulating water spraying pipe and a spraying frame, centrifugal fan 1, spray water pump 9, circulating water pump 11 and two sets of liquid level relay all are connected with the switch, and the switch is connected with the power cord.

The working principle is as follows: the odor enters a washing area through an introducing port and a horizontal flow of a centrifugal fan 1, is washed by pre-stage water or low-concentration chemical washing liquid, the absorption, dust removal and humidification of the odor water or chemical agents are finished in the washing area through a plurality of groups of pumps and liquid level relays, the uncleaned odor gas enters a multi-stage biofilter filtering area, pollutants are transferred to the surface of a biological membrane in a biological filter 2 from a gas phase when passing through a filtering layer in a prewashing pool 3, and the odor gas is contacted and dissolved with a water film of a filling material (biological filler) in a wet state under the water spraying effect of a spray rack 4 until waste liquid is treated to reach the standard through a discharge pipe 5 after being circularly saturated and then discharged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides an exhaust treatment device based on chemical scrubbing deodorization, includes preceding stage spraying washing absorption processing line, gas transmission line and opens and close the control line, its characterized in that, preceding stage spraying washing absorption processing line includes storage water tank (7), prewashing pond (3), biological filter (2), well (13) and water seal well (14), the gas transmission line is including collecting tuber pipe, centrifugal fan (1) and circulating line, it includes first liquid level relay (8), second liquid level relay (12) and heterogeneous control valve to open and close the control line, storage water tank (7) have first ball-cock assembly (6) through the pipe connection, storage water tank (7) have spray water pump (9) through the pipe connection, spray water pump (9) have spray frame (4) through the pipe connection, well (13) and water seal well (14) are connected respectively and have inside and outside water collection well and connecting pipe, the terminal of preceding stage spraying washing absorption treatment line is equipped with the cistern, and the outside of cistern is equipped with delivery pipe (5), centralized well (13) and water seal well (14) are through connecting second liquid level relay (12) link up with the moisturizing end, centralized well (13) have circulating water pump (11) through the pipe connection, it inputs to the circulating line through centrifugal fan (1) to collect the tuber pipe, the circulating line lets in to washing in advance pond (3).

2. The exhaust gas treatment device based on chemical scrubbing deodorization of claim 1, wherein the first liquid level relay (8) is connected in parallel between the water storage tank (7) and the spray water pump (9), and the second liquid level relay (12) is connected in parallel between the inner and outer water collecting well connecting pipes and the water discharging pipe.

3. An exhaust gas treatment device based on chemical scrubbing deodorization according to claim 1, characterized in that the end of the water sealed well (14) is connected with the water sealed well (14) through a pipeline, and the water sealed well (14) is provided with a sealing cover.

4. The exhaust gas treatment device based on chemical scrubbing deodorization according to claim 1, wherein the first ball float valve (6) and the second ball float valve (10) have the same ball limit height, and the first ball float valve (6) and the second ball float valve (10) are adapted to the liquid level signals of the first liquid level relay (8) and the second liquid level relay (12).

5. The exhaust gas treatment device based on chemical washing deodorization according to claim 1, characterized in that the water outlet end of the circulating water pump (11) is connected with a circulating water spray pipe and a spray rack (4), and the spray rack (4) is located right above the pre-washing tank (3).

6. The exhaust gas treatment device based on chemical washing deodorization according to claim 1, characterized in that the centrifugal fan (1), the spray water pump (9), the circulating water pump (11) and the two sets of level relays are all connected with switches, and the switches are connected with power lines.

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