CN212440719U - Acid mist waste gas treatment system - Google Patents
Acid mist waste gas treatment system Download PDFInfo
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- CN212440719U CN212440719U CN202020247191.2U CN202020247191U CN212440719U CN 212440719 U CN212440719 U CN 212440719U CN 202020247191 U CN202020247191 U CN 202020247191U CN 212440719 U CN212440719 U CN 212440719U
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- acid mist
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Abstract
The utility model discloses an acid mist exhaust-gas treatment system, add device, first spray set, storage acid tank, first acid washing tower fan, second acid mist purifying tower, second alkali lye and add device, second spray set, second acid washing tower fan and gaseous discharge to reach standard chimney including dry-type acid recovery unit, first acid mist purifying tower, first alkali lye. The acid mist waste gas treatment system of the utility model can realize the recycling of industrial acid liquor, and reduce the amount of industrial acid; the use amount of liquid caustic soda is reduced and the environmental protection cost is reduced due to the reduction of acid waste gas; the acid mist waste gas is fully treated, and the gas is reliably discharged up to the standard.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection, especially, relate to an acid mist exhaust-gas treatment system.
Background
The acid mist waste gas treatment system is mainly used for treating acid mist waste gas generated during rust removal on the surface of a steel wire rod when a steel cord manufacturer produces steel wire products, and meets the requirement of acid-free waste gas emission. At present, most of acid mist waste gas treatment systems are acid mist purification towers for treating acid mist waste gas, acid-base direct reaction is adopted, recycling of acid liquor cannot be recycled, the using amount of liquid caustic soda is increased, and reliable standard emission of gas cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses an acid mist exhaust-gas treatment system adopts dry-type acid recovery device recycle acidizing fluid, adopts the good realization of two tower designs that acid mist waste gas fully handles, gaseous reliable discharge to reach standard.
The utility model adopts the following technical proposal:
an acid mist waste gas treatment system comprises a dry-type acid recovery device, a first acid mist purification tower, a first alkali liquor adding device, a first spraying device, an acid storage tank, a first acid washing tower fan, a second acid mist purification tower, a second alkali liquor adding device, a second spraying device, a second acid washing tower fan and a gas standard-reaching emission chimney, wherein the first spraying device is positioned inside the first acid mist purification tower, and the second spraying device is positioned inside the second acid mist purification tower;
the dry acid recovery device is provided with a waste gas inlet, a waste gas outlet and an acid outlet, the bottom of the first acid mist purification tower is provided with a waste gas inlet and an alkali liquor inlet, the top of the first acid mist purification tower is provided with a waste gas outlet, the waste gas outlet of the dry acid recovery device is connected with the waste gas inlet of the first acid mist purification tower, the acid outlet is connected with the acid storage tank, the first alkali liquor adding device is connected with the alkali liquor inlet of the first acid mist purification tower through a pipeline, the waste gas outlet of the first acid mist purification tower is connected with the fan inlet of the first acid mist purification tower, the fan outlet of the first acid mist purification tower is connected with the second acid mist purification tower, the waste gas outlet of the second acid mist purification tower is connected with the fan of the second acid mist purification tower, and the fan gas outlet of the second acid.
The further improvement is that the bottoms of the first acid mist purification tower and the second acid mist purification tower are provided with inclined plates, and the lower sides of the inclined plates are provided with acid outlets.
The further improvement is that the first acid mist purification tower and the second acid mist purification tower are filled with ceramic or plastic fillers.
The further improvement is that the main bodies of the first and second acid washing tower fans are made of glass fiber reinforced plastics.
In a further improvement, PH monitoring probes are arranged at the bottoms of the first acid mist purification tower and the second acid mist purification tower.
The further improvement is that the dry acid recovery device is a porous sieve plate type.
The utility model discloses has positive effect: (1) realizes the recycling of the industrial acid liquor and reduces the amount of the industrial acid. And (2) due to the reduction of acid waste gas, the usage amount of liquid caustic soda is reduced, and the environmental protection cost is reduced. (3) The acid mist waste gas is fully treated, and the gas is reliably discharged up to the standard.
Drawings
Fig. 1 is a schematic view of an acid mist waste gas treatment system according to the present invention.
The system comprises a 1-dry acid recovery device, a 2-first acid mist purification tower, a 3-first alkali liquor adding device, a 4-first spraying device, a 5-acid storage tank, a 6-first acid washing tower fan, a 7-second acid mist purification tower, a 8-second alkali liquor adding device, a 9-second spraying device, a 10-second acid washing tower fan and a 11-gas standard-reaching discharge chimney.
Detailed Description
As shown in fig. 1, an acid mist waste gas treatment system comprises a dry-type acid recovery device 1, a first acid mist purification tower 2, a first alkali liquor adding device 3, a first spraying device 4, an acid storage tank 5, a first acid washing tower fan 6, a second acid mist purification tower 7, a second alkali liquor adding device 8, a second spraying device 9 and a second acid washing tower fan 10, wherein gas reaches the standard and is discharged from a chimney 11, the first spraying device 4 is positioned inside the first acid mist purification tower 2, and the second spraying device 9 is positioned inside the acid mist purification tower 7; the dry acid recovery device 1 is provided with a waste gas inlet, a waste gas outlet and an acid outlet, the bottom of the first acid mist purification tower 2 is provided with a waste gas inlet and an alkali liquor inlet, the top of the first acid mist purification tower 2 is provided with a waste gas outlet, the waste gas outlet of the dry acid recovery device 1 is connected with the waste gas inlet of the first acid mist purification tower 2, the acid outlet is connected with the acid storage tank 5, the first alkali liquor adding device 3 is connected with the alkali liquor inlet of the first acid mist purification tower 2 through a pipeline, the waste gas outlet of the first acid mist purification tower 2 is connected with the inlet of the first acid mist purification tower fan 6, the outlet of the first acid mist purification tower fan 6 is connected with the second acid mist purification tower 7, the waste gas outlet of the second acid mist purification tower is connected with the second acid mist purification tower fan 10, and the gas outlet of the second acid mist purification tower fan 10 is.
The bottoms of the first acid mist purification tower 2 and the second acid mist purification tower 7 are provided with inclined plates, and the lower sides of the inclined plates are provided with acid outlets.
The first acid mist purification tower 2 and the second acid mist purification tower 7 are filled with ceramic or plastic fillers.
The main bodies of the first acid washing tower fan 6 and the second acid washing tower fan 10 are made of glass fiber reinforced plastics.
And PH monitoring probes are arranged at the bottoms of the first acid mist purification tower 2 and the second acid mist purification tower 7.
The dry acid recovery device is a porous sieve plate type.
The utility model discloses an acid mist exhaust treatment device, on the basis of including first acid mist purifying tower 2, first alkali lye interpolation device, first spray set, first pickling tower fan 6, gaseous emission chimney 11 up to standard, increased dry-type acid recovery unit 1, storage acid tank 5, second acid mist purifying tower 7, second alkali lye add device 8, second spray set 9, the second is pickled tower fan 10 and former device and is established ties, and 2 groups that change the acid mist purifying tower spray for 3 groups spray, make the acid exhaust absorption more abundant.
The utility model discloses when steel cord manufacture factory produces steel wire goods, produced acid mist waste gas is earlier through dry-type acid recovery unit when steel wire rod surface rust cleaning, the acid solution that is intercepted by porous sieve is the higher acid of purity, can directly get back to storage acid tank reuse, surplus acid gas is absorbed first acid mist purifying tower by the acid washing tower fan again, first spray set makes inspiratory acid waste gas sprayed by shower water absorption acid mist purifying tower and changes 3 groups into by 2 groups and sprays, it is more abundant to make acid waste gas absorb, first acid mist purifying tower bottom is equipped with the PH detector, after detecting acid solution and reaching the PH requirement value, can directly get back to storage acid tank reuse, a small amount of acid gas is absorbed second acid mist purifying tower by the acid washing tower fan at last, second alkali liquid adds the automatic alkali lye circulation of filling of device cooperation second spray set and sprays absorption acid mist, and know inside acid solution concentration and automatic adjustment liquid alkali solution through installing in the PH detector of second acid mist purifying tower bottom, and adjust liquid alkali solution Adding the components. In addition, a bypass is arranged on a connecting pipe between the devices, so that the acid mist purification tower can be used independently or in series, and the non-stop maintenance of the devices is realized. The utility model realizes the recycling of industrial acid liquor and reduces the amount of industrial acid; the use amount of liquid caustic soda is reduced and the environmental protection cost is reduced due to the reduction of acid waste gas; finally, the acid mist waste gas is fully treated, and the gas is reliably discharged up to the standard.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. An acid mist waste gas treatment system is characterized by comprising a dry-type acid recovery device (1), a first acid mist purification tower (2), a first alkali liquor adding device (3), a first spraying device (4), an acid storage tank (5), a first acid washing tower fan (6), a second acid mist purification tower (7), a second alkali liquor adding device (8), a second spraying device (9) and a second acid washing tower fan (10), wherein the gas reaches the standard and is discharged from a chimney (11), the first spraying device (4) is positioned inside the first acid mist purification tower (2), and the second spraying device (9) is positioned inside the acid mist purification tower (7);
the dry acid recovery device (1) is provided with a waste gas inlet, a waste gas outlet and an acid outlet, the bottom of the first acid mist purification tower (2) is provided with a waste gas inlet and an alkali liquor inlet, the top is provided with a waste gas outlet, the waste gas outlet of the dry acid recovery device (1) is connected with the waste gas inlet of the first acid mist purification tower (2), the acid outlet is connected with the acid storage tank (5), the first alkali liquor adding device (3) is connected with an alkali liquor inlet of the first acid mist purification tower (2) through a pipeline, a waste gas outlet of the first acid mist purification tower (2) is connected with an inlet of the first acid washing tower fan (6), an outlet of the first acid washing tower fan (6) is connected with the second acid mist purification tower (7), a waste gas outlet of the second acid mist purification tower is connected with the second acid washing tower fan (10), and a gas outlet of the second acid washing tower fan (10) is connected with the gas up-to-standard emission chimney (11).
2. The acid mist waste gas treatment system as claimed in claim 1, wherein the bottoms of the first acid mist purification tower (2) and the second acid mist purification tower (7) are provided with inclined plates, and acid outlets are formed at the lower sides of the inclined plates.
3. The acid mist waste gas treatment system as claimed in claim 1, wherein the first acid mist purification tower (2) and the second acid mist purification tower (7) are internally filled with ceramic or plastic packing.
4. The acid mist waste gas treatment system as claimed in claim 1, wherein the first and second scrubbing tower fans (6, 10) are made of glass fiber reinforced plastic.
5. The acid mist waste gas treatment system as claimed in claim 1, wherein the first acid mist purification tower (2) and the second acid mist purification tower (7) are provided with PH monitoring probes at the bottom.
6. The acid mist exhaust gas treatment system of claim 1, wherein the dry acid recovery device is a perforated screen plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020247191.2U CN212440719U (en) | 2020-03-04 | 2020-03-04 | Acid mist waste gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020247191.2U CN212440719U (en) | 2020-03-04 | 2020-03-04 | Acid mist waste gas treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN212440719U true CN212440719U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020247191.2U Active CN212440719U (en) | 2020-03-04 | 2020-03-04 | Acid mist waste gas treatment system |
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| CN (1) | CN212440719U (en) |
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2020
- 2020-03-04 CN CN202020247191.2U patent/CN212440719U/en active Active
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