CN214715575U - Spray tower device for acid-base neutralization - Google Patents

Spray tower device for acid-base neutralization Download PDF

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Publication number
CN214715575U
CN214715575U CN202120082847.4U CN202120082847U CN214715575U CN 214715575 U CN214715575 U CN 214715575U CN 202120082847 U CN202120082847 U CN 202120082847U CN 214715575 U CN214715575 U CN 214715575U
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China
Prior art keywords
acid
tower
alkali
liquor
spray
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CN202120082847.4U
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Chinese (zh)
Inventor
钱寅龙
赵文玲
诸铮
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WUXI ZHONGTIAN SOLID WASTE DISPOSAL CO Ltd
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WUXI ZHONGTIAN SOLID WASTE DISPOSAL CO Ltd
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Priority to CN202120082847.4U priority Critical patent/CN214715575U/en
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Abstract

The utility model relates to a spray tower device for acid-base neutralization, which comprises an acid liquid box and an alkaline liquid box which are fixedly installed adjacently, wherein the top surfaces of the acid liquid box and the alkaline liquid box are simultaneously provided with an acid tower, the top surface of the acid tower is provided with an alkaline tower through a liquid separation gas distribution port, a first acid tower filling area, a second acid tower filling area, a first baffling plate and a first wire mesh defogging layer are sequentially and parallelly installed in the acid tower from bottom to top, and one side wall of the bottom of the acid tower is provided with a gas inlet; from up parallel mount in proper order down has first alkali tower filler district, second baffling board and second silk screen defogging layer in the alkali tower, alkali tower bottom is through alkali lye back flow and lye tank intercommunication, the top of alkali tower is provided with the air outlet, and neutralization effect is good.

Description

Spray tower device for acid-base neutralization
Technical Field
The utility model belongs to the technical field of spray column equipment technique and specifically relates to a spray column device of acid-base neutralization.
Background
Along with the development of economic society, the chemical industry is increasingly strong, and the problem of environmental pollution accompanying the chemical industry is urgently needed to be solved.
At present, the environmental protection supervision of the unorganized exhaust of the waste gas is always a relatively difficult problem.
In the prior art, a waste gas treatment device is usually adopted, the equipment structure is complex, the occupied area is large, the cost is high, and the acid-base neutralization effect and efficiency are poor.
SUMMERY OF THE UTILITY MODEL
The applicant provides a spray tower device for acid-base neutralization aiming at the defects in the prior art, so that the purposes of waste gas collection and neutralization treatment and qualified discharge are greatly improved.
The utility model discloses the technical scheme who adopts as follows:
a spray tower device for neutralizing acid and alkali comprises an acid liquid tank and an alkali liquid tank which are fixedly installed adjacently, wherein acid towers are installed on the top surfaces of the acid liquid tank and the alkali liquid tank at the same time, an alkali tower is installed on the top surface of the acid tower through a liquid separation gas distribution port,
a first acid tower filling area, a second acid tower filling area, a first baffle plate and a first wire mesh defogging layer are sequentially arranged in the acid tower from bottom to top in parallel, and an air inlet is arranged on one side wall of the bottom of the acid tower;
first spray pipes are respectively arranged above the first wire mesh defogging layer, below the first baffle plate and between the first acid tower filling area and the second acid tower filling area,
an acid liquor spraying pump is connected to one side of the acid liquor tank, and three pipelines are branched from the acid liquor spraying pump and are respectively communicated with a spraying pipe;
a first alkali tower filling area, a second baffle plate and a second wire mesh defogging layer are sequentially arranged in the alkali tower from bottom to top in parallel, and the bottom of the alkali tower is communicated with an alkali liquor tank through an alkali liquor return pipe;
second spray pipes are respectively arranged above the second wire mesh demisting layer, below the second baffle plate and between the first alkali tower filling area and the second alkali tower filling area,
an alkali liquor spraying pump is connected to one side of the alkali liquor tank, three pipes are branched from the alkali liquor spraying pump, and the three pipes are respectively communicated with a second spraying pipe;
and an air outlet is formed in the top of the alkali tower.
As a further improvement of the above technical solution:
the acid tower and the alkali tower are both in cylindrical structures.
And the side wall of the acid tower is also provided with a first acid tower manhole sight glass and a second acid tower manhole sight glass.
The side wall of the alkali tower is also provided with a first alkali tower manhole sight glass and a second alkali tower manhole sight glass.
And an acid liquor decontamination opening is formed in the top surface of the acid liquor tank.
The top surface of the lye tank is provided with a lye decontamination opening.
The three branched pipelines on the acid liquor spray pump are respectively a first acid liquor spray pipe, a second acid liquor spray pipe and a first demisting layer cleaning pipeline.
The three branched pipes on the alkali liquor spray pump are respectively a first alkali liquor spray pipe, a second alkali liquor spray pipe and a second demisting layer cleaning pipeline.
The utility model has the advantages as follows:
the utility model has compact and reasonable structure, convenient operation and easy operation
The utility model discloses still include following advantage:
acid-base neutralization spray column appearance pleasing to the eye, compact structure, corrosion-resistant, ageing resistance, intensity height, purification efficiency are good, the resistance is little, the energy consumption is low, the installation is maintained the management and is convenient, be the clarification plant of present relatively ideal, the acid mist waste gas after the purification is less than national emission standard greatly.
The utility model is suitable for a to hydrochloric acid fog, sulfuric acid fog, hydrogen chloride, hydrogen sulfide under normal atmospheric temperature. And (3) purifying acid gases such as hydrogen cyanide and alkali steam. And the acid mist waste gas enters the acid-base spray tower through the induced draft fan, is discharged outdoors after being subjected to secondary spray neutralization and demisting.
The utility model can be widely applied to the purification treatment of acid and alkali waste gas discharged in the process of industries such as chemical industry, electronics, metallurgy, electroplating, textile (chemical fiber), food, mechanical manufacturing and the like, such as the technical fields of seasoning food, acid preparation, acid cleaning, electroplating, electrolysis, storage batteries and the like.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 101. an acid liquid tank; 102. an alkaline liquid tank;
201. an acid liquor spraying pump; 202. an alkali liquor spray pump;
30101. a first acid liquor spray pipe; 30102. a second acid liquid spray pipe; 30103. cleaning the pipeline by using a first demisting layer;
30201. a first alkali liquor spray pipe; 30202. a second lye spraying pipe; 30203. cleaning the pipeline by the second demisting layer;
4. an air inlet;
50101. a first acid tower packing zone; 50102. a second acid column packing zone;
50201. a first caustic tower packing zone; 50202. a second caustic tower packing zone;
601. a first baffle plate; 602. a second baffle plate;
701. a first wire mesh defogging layer; 702. a second wire mesh defogging layer;
8. an air outlet;
90101. a first acid tower manhole sight glass; 90102. a manhole sight glass of a second acid tower;
90201. a first base tower manhole sight glass; 90202. a second alkali tower manhole sight glass;
10. an alkali liquor return pipe;
1101. cleaning the acid liquor; 1102. cleaning a dirt opening with alkali liquor;
12. the liquid blocks the cloth gas port.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the spray tower device for acid-base neutralization in this embodiment includes an acid liquor tank 101 and an alkaline liquor tank 102 that are fixedly installed adjacent to each other, an acid tower is installed on the top surfaces of the acid liquor tank 101 and the alkaline liquor tank 102 at the same time, an alkali tower is installed on the top surface of the acid tower through a liquid blocking gas distribution port 12,
a first acid tower filling area 50101, a second acid tower filling area 50102, a first baffle 601 and a first wire mesh defogging layer 701 are sequentially arranged in the acid tower from bottom to top in parallel, and an air inlet 4 is arranged on one side wall of the bottom of the acid tower;
first spray pipes are respectively arranged above the first wire mesh defogging layer 701, below the first baffle plate 601 and between the first acid tower filling area 50101 and the second acid tower filling area 50102,
an acid liquor spraying pump 201 is connected to one side of the acid liquor tank 101, three pipelines are branched from the acid liquor spraying pump 201 and are respectively communicated with a spraying pipe;
a first alkali tower packing area 50201, a second alkali tower packing area 50202, a second baffle 602 and a second wire mesh demisting layer 702 are sequentially arranged in parallel from bottom to top in the alkali tower, and the bottom of the alkali tower is communicated with an alkali liquor tank 102 through an alkali liquor return pipe 10;
second spray pipes are respectively arranged above the second wire mesh defogging layer 702, below the second baffle plate 602 and between the first alkali tower packing area 50201 and the second alkali tower packing area 50202,
an alkali liquor spraying pump 202 is connected to one side of the alkali liquor tank 102, three pipes are branched on the alkali liquor spraying pump 202, and the three pipes are respectively communicated with a second spraying pipe;
the top of the alkali tower is provided with an air outlet 8.
The acid tower and the alkali tower are both in cylindrical structures.
The side wall of the acid tower is also provided with a first acid tower manhole sight glass 90101 and a second acid tower manhole sight glass 90102.
The side wall of the alkali tower is also provided with a first alkali tower manhole sight glass 90201 and a second alkali tower manhole sight glass 90202.
The top surface of the acid liquid tank 101 is provided with an acid liquid cleaning port 1101.
The top surface of the lye tank 102 is provided with a lye decontamination opening 1102.
The three branched pipelines on the acid liquor spray pump 201 are respectively a first acid liquor spray pipe 30101, a second acid liquor spray pipe 30102 and a first demisting layer cleaning pipeline 30103.
The three branched pipes on the alkali liquor spray pump 202 are respectively a first alkali liquor spray pipe 30201, a second alkali liquor spray pipe 30202 and a second demisting layer cleaning pipeline 30203.
The function of the liquid barrier cloth gas port 12 is: the waste gas after the acid tower primary acid spraying neutralization enters a path of the alkali tower secondary alkali spraying, and meanwhile, the upper alkali spraying liquid can be prevented from entering the acid spraying tower and carrying out neutralization reaction with the acid spraying liquid.
The utility model discloses a concrete structure and function as follows:
the utility model discloses a cylinder single tower body structure, the segmentation is connected and is formed, sprays, the multilayer packs the constitution through multilayer defogging, multilayer.
Acid mist waste gas is introduced into a purification tower (namely an acid tower and an alkali tower) from an air inlet 4 of an air pipe, sequentially passes through a packing layer (a first acid tower packing area 50101, a second acid tower packing area 50102, a first alkali tower packing area 50201 and a second alkali tower packing area 50202), the waste gas is fully contacted with acid spray liquid of an acid liquor box 101 and alkali spray liquid of an alkali liquor box 102 for gas-liquid two-phase absorption and neutralization reaction, and the acid mist waste gas is purified, dehydrated and demisted through a demisting layer (a first baffle 601, a second baffle 602, a first wire mesh demisting layer 701 and a second wire mesh demisting layer 702) and then discharged into the atmosphere from an air outlet 8 of a fan. The absorption liquid is pressurized by a spray pump (an acid liquid spray pump 201 and an alkali liquid spray pump 202) at the bottom of the tower and then sprayed, and finally the acid spray liquid flows back to the acid liquid tank 101 at the bottom of the tower and the alkali spray liquid flows back to the alkali liquid tank 102 for recycling. The purified acid mist waste gas meets the emission requirement of the emission standard and is lower than the national emission standard.
The spraying layer consists of spraying pipes and nozzles, and the spraying pipes and the nozzles are arranged at different densities according to the diameter of the spraying tower. The high-efficiency nozzle is used, the spraying is uniform, the flow is large, and the blockage is not easy to occur.
The manhole sight glass (the first acid tower manhole sight glass 90101, the second acid tower manhole sight glass 90102, the first alkali tower manhole sight glass 90201 and the second alkali tower manhole sight glass 90202) is also called as the manhole sight glassInspection ports, usually formed as windows havingAndtwo specifications are provided. The main functions of the spray tower are observation of the operation condition of the spray tower, replacement of the packing (multi-surface ball packing) and maintenance of the spray nozzle.
The pH value of the acid liquid tank 101 and the pH value of the alkaline liquid tank 102 can be ensured by additionally arranging an automatic water replenishing device and automatically adding a medicine to adjust a Ph meter in the acid liquid tank 101 and the alkaline liquid tank 102, and the magnetic turning plate liquid level meter ensures that the liquid level of the water tank does not overflow.
The cleaning work of the nozzle and the packing area (the first acid tower packing area 50101, the second acid tower packing area 50102, the first alkali tower packing area 50201 and the second alkali tower packing area 50202) can be carried out through the demisting layer cleaning pipeline (the first demisting layer cleaning pipeline 30103 and the second demisting layer cleaning pipeline 30203), and the cleaned acid-alkali waste liquid is replaced through the cleaning ports (the acid cleaning port 1101 and the alkali cleaning port 1102). In the actual use process:
waste gas enters the tower through an air inlet 4 by an induced draft fan (not shown in the figure), acid liquor enters an acid spraying layer for spraying operation through a first acid liquor spraying pipeline 30101 and a second acid liquor spraying pipeline 30102 by an acid liquor spraying pump 201, neutralized waste gas enters a baffle plate defogging layer and a wire mesh defogging layer to improve a defogging effect, and spraying liquid is sprayed to a first acid tower filling area 50101 and a second acid tower filling area 50102 from a liquid distributor and is left to return to an acid liquor box 101 along the surface of the filling.
The waste gas after primary spraying neutralization enters an alkali spraying tower, an alkali liquor spraying pump 202 sprays alkali liquor through a first alkali liquor spraying pipeline 30201 and a second alkali liquor spraying pipeline 30202 to enter an alkali spraying layer for spraying operation, the neutralized waste gas enters a baffle plate defogging layer and a silk screen defogging layer to improve a defogging effect, and the spraying liquid is sprayed to a first alkali tower filler area 50201 and a second alkali tower filler area 50202 from a liquid distributor, is left along the filler surface to return to the bottom of the alkali tower, and returns to an alkali liquor tank 102 through an alkali liquor return pipe 10.
The waste gas purified after the secondary spraying neutralization meets the emission standard and is discharged through the air outlet 8.
After a period of use, the liquid in the acid liquor tank 101 and the alkaline liquor tank 102 can be pumped away, the cleaning solution is replaced, and the acid liquor spraying pump 201 and the alkaline liquor spraying pump 202 work and are cleaned through the first demisting layer cleaning pipeline 30103 and the second demisting layer cleaning pipeline 30203 respectively.
Reliable operation and good neutralization effect.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims (8)

1. The utility model provides a spray column device of acid-base neutralization which characterized in that: comprises an acid liquid tank (101) and an alkali liquid tank (102) which are fixedly installed adjacently, wherein acid towers are installed on the top surfaces of the acid liquid tank (101) and the alkali liquid tank (102) at the same time, an alkali tower is installed on the top surface of the acid tower through a liquid blocking and air distributing port (12),
a first acid tower filling area (50101), a second acid tower filling area (50102), a first baffle plate (601) and a first wire mesh defogging layer (701) are sequentially arranged in the acid tower from bottom to top in parallel, and an air inlet (4) is arranged on one side wall of the bottom of the acid tower;
first spray pipes are respectively arranged above the first wire mesh defogging layer (701), below the first baffle plate (601) and between the first acid tower filling area (50101) and the second acid tower filling area (50102),
an acid liquor spraying pump (201) is connected to one side of the acid liquor tank (101), three pipelines are branched from the acid liquor spraying pump (201), and the three pipelines are respectively communicated with a spraying pipe;
a first alkali tower packing area (50201), a second alkali tower packing area (50202), a second baffle plate (602) and a second wire mesh defogging layer (702) are sequentially arranged in the alkali tower from bottom to top in parallel, and the bottom of the alkali tower is communicated with an alkali liquor tank (102) through an alkali liquor return pipe (10);
second spray pipes are respectively arranged above the second wire mesh defogging layer (702), below the second baffle plate (602) and between the first alkali tower packing area (50201) and the second alkali tower packing area (50202),
an alkali liquor spraying pump (202) is connected to one side of the alkali liquor tank (102), three pipes are branched from the alkali liquor spraying pump (202), and the three pipes are respectively communicated with a second spraying pipe;
and an air outlet (8) is formed in the top of the alkali tower.
2. The acid-base neutralizing spray tower apparatus of claim 1, wherein: the acid tower and the alkali tower are both in cylindrical structures.
3. The acid-base neutralizing spray tower apparatus of claim 1, wherein: and a first acid tower manhole sight glass (90101) and a second acid tower manhole sight glass (90102) are further mounted on the side wall of the acid tower.
4. The acid-base neutralizing spray tower apparatus of claim 1, wherein: the side wall of the alkali tower is also provided with a first alkali tower manhole sight glass (90201) and a second alkali tower manhole sight glass (90202).
5. The acid-base neutralizing spray tower apparatus of claim 1, wherein: and an acid liquor decontamination opening (1101) is formed in the top surface of the acid liquor tank (101).
6. The acid-base neutralizing spray tower apparatus of claim 1, wherein: the top surface of the lye tank (102) is provided with a lye decontamination opening (1102).
7. The acid-base neutralizing spray tower apparatus of claim 1, wherein: the three branched pipelines on the acid liquor spray pump (201) are respectively a first acid liquor spray pipe (30101), a second acid liquor spray pipe (30102) and a first demisting layer cleaning pipeline (30103).
8. The acid-base neutralizing spray tower apparatus of claim 1, wherein: the three branched pipes on the alkali liquor spray pump (202) are respectively a first alkali liquor spray pipe (30201), a second alkali liquor spray pipe (30202) and a second demisting layer cleaning pipeline (30203).
CN202120082847.4U 2021-01-12 2021-01-12 Spray tower device for acid-base neutralization Active CN214715575U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120082847.4U CN214715575U (en) 2021-01-12 2021-01-12 Spray tower device for acid-base neutralization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120082847.4U CN214715575U (en) 2021-01-12 2021-01-12 Spray tower device for acid-base neutralization

Publications (1)

Publication Number Publication Date
CN214715575U true CN214715575U (en) 2021-11-16

Family

ID=78639055

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120082847.4U Active CN214715575U (en) 2021-01-12 2021-01-12 Spray tower device for acid-base neutralization

Country Status (1)

Country Link
CN (1) CN214715575U (en)

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