CN202803069U - Device capable of reducing content of acid and iron oxide powder in acid regeneration tail gas - Google Patents
Device capable of reducing content of acid and iron oxide powder in acid regeneration tail gas Download PDFInfo
- Publication number
- CN202803069U CN202803069U CN 201220128803 CN201220128803U CN202803069U CN 202803069 U CN202803069 U CN 202803069U CN 201220128803 CN201220128803 CN 201220128803 CN 201220128803 U CN201220128803 U CN 201220128803U CN 202803069 U CN202803069 U CN 202803069U
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- CN
- China
- Prior art keywords
- acid
- storage tank
- water storage
- pump
- iron oxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000002253 acid Substances 0.000 title claims abstract description 108
- 230000008929 regeneration Effects 0.000 title claims abstract description 29
- 238000011069 regeneration method Methods 0.000 title claims abstract description 29
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title abstract 8
- 239000000843 powder Substances 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000003860 storage Methods 0.000 claims abstract description 32
- 238000010521 absorption reaction Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 229940067573 brown iron oxide Drugs 0.000 claims description 15
- 238000005201 scrubbing Methods 0.000 claims description 9
- 238000005097 cold rolling Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Landscapes
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a device capable of reducing the content of acid and iron oxide powder in acid regeneration tail gas, belonging to the technical field of cold-rolling acid regeneration equipment. The device is used for reducing the content of acid and iron oxide powder in the tail gas during cold-rolling acid regeneration furnace starting and an emergency accident. The device comprises an acid water storage tank, a water spray pump, a self-circulation pump, a new acid pump, an acid concentration analyzer and a liquid level meter, wherein the water spray pump is mounted in a connection pipeline between a washing tower and an absorption tower; the acid water storage tank is connected with the absorption tower and a regenerated acid tank through a pipeline respectively; the self-circulation pump is mounted in the pipeline; the new acid pump is mounted in a new acid liquid input pipeline of the acid water storage tank; the acid concentration analyzer is mounted in an output pipeline of the acid water storage tank; and the liquid level meter is mounted in the acid water storage tank. The device disclosed by the utility model can ensure the absorption effect of the washing tower and the absorption tower, reduces the content of acid and iron oxide powder in the acid regeneration tail gas to a normal range, and effectively reduces corrosion and damage to the equipment.
Description
Technical field
The utility model relates to and a kind ofly reduces cold rolling acid regeneration and open stove and the device of acid content, brown iron oxide content in the tail gas occurs during the emergency episode, belongs to cold rolling acid regeneration equipment technical field.
Background technology
In the production process of flat cold-rolled sheet, need to carry out acid regeneration and process.The acid regeneration equipment that uses at present need to concentrate spent acid in opening the car production process or during the emergency episode, and concentration time is longer, and acid content raises in absorption tower and the scrubbing tower water, and impact is to the absorption of acid, brown iron oxide in the acid regeneration tail gas.Acid content, the high meeting of brown iron oxide affect surrounding environment, etching apparatus in the acid regeneration tail gas, reduce duration of service.For normally carrying out of guaranteeing to produce, reduce corrosion and damage to equipment, be necessary that start and stop improve to acid regeneration, to eliminate acid content in the acid regeneration tail gas, phenomenon that brown iron oxide content is higher.
The utility model content
Technical problem to be solved in the utility model provides a kind of simple in structure, easy to use, stable device that can reduce acid content in the acid regeneration tail gas, brown iron oxide content.
The technical scheme that solves the problems of the technologies described above is:
A kind of device that can reduce acid content in the acid regeneration tail gas, brown iron oxide content, it comprises sour water storage tank, water jet pump, self-circulating pump, eo-acid pump, water jet pump is installed in the connecting line between scrubbing tower and the absorption tower, the sour water storage tank is connected with the regenerated acid tank with the absorption tower respectively by pipeline, in this pipeline self-circulating pump is installed, the eo-acid pump is installed in the new acid solution intake line of sour water storage tank.
The above-mentioned device that can reduce acid content in the acid regeneration tail gas, brown iron oxide content, it also has acid concentration analyzer and liquid level gauge, and the acid concentration analyzer is installed in the output pipe of sour water storage tank, and liquid level gauge is installed in the sour water storage tank.
Usefulness of the present utility model is:
The utility model utilizes absorption principle, reducing cold rolling acid regeneration opens between the campaign and acid content in the emergency episode phase tail gas, brown iron oxide content occur, when the acid regeneration concentrating waste acid, can not go out regenerated acid during, utilize the utility model can guarantee that scrubbing tower, absorption tower reach the good assimilation effect of wash effect, make acid content in the acid regeneration tail gas, brown iron oxide content.The utility model is simple in structure, easy to use, and is stable, can guarantee that acid content and iron content are in normal range (NR) in the acid regeneration tail gas, effectively reduces corrosion and damage to equipment.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is use view of the present utility model;
Fig. 3 is the another kind of view of using of the present utility model.
Mark is as follows among the figure: sour water storage tank 1, water jet pump 2, self-circulating pump 3, eo-acid pump 4, acid concentration analyzer 5, liquid level gauge 6, scrubbing tower 7, absorption tower 8, regenerated acid tank 9.
The specific embodiment:
The utility model is comprised of sour water storage tank 1, water jet pump 2, self-circulating pump 3, eo-acid pump 4, acid concentration analyzer 5, liquid level gauge 6.
Show among the figure that water jet pump is installed in the connecting line between scrubbing tower and the absorption tower, water jet pump is used for abnormal conditions occurring provides sprinkling to the absorption tower, improves adsorption effect.
Show among the figure that the sour water storage tank is connected with the regenerated acid tank with the absorption tower respectively by pipeline, the sour water storage tank is used for the storage sour water, and the volume of tank is 200 cubic metres, the anticorrosion of tank internal material.
Show among the figure, in the connecting line of sour water storage tank and absorption tower and regenerated acid tank self-circulating pump is installed, self-circulating pump is used for adding eo-acid and sour water mixing to the sour water storage tank, and carries qualified eo-acid to the regenerated acid tank.
Show among the figure that the eo-acid pump is installed in the new acid solution intake line of sour water storage tank, be used for adding eo-acid to the sour water storage tank that purpose makes sour water deposit in the tank sour water by reaching qualified regenerated acid level with the eo-acid rational proportion.
Show among the figure that the acid concentration analyzer is installed in the output pipe of sour water storage tank, for detection of acid content in the sour water.Liquid level gauge is installed in the sour water storage tank, for detection of liquid volume in the sour water storage tank.
The utility model course of work is:
Cold rolling acid regeneration opens between the campaign and the emergency episode phase occurs, acid purification system can not normally move, and utilizes water jet pump that No. 1 scrubbing tower water of acid regeneration is sprayed to the absorption tower, replenishes new water by No. 1 scrubbing tower again, the brown iron oxide of HCL gas and generation improves adsorption effect in the absorption flue gas.Defective regenerated acid is carried in the absorption tower in the sour water storage tank.After acid regeneration absorption tower and venturi were concentrated through two hours, the inspection of acid concentration analyzer carried regenerated acid qualified, and be delivered to regenerated acid and normally deposit sour tank this moment.Draw liquid volume in the sour water storage tank by liquid level gauge, the acid concentration analyzer checks acid concentration in the water, through calculate using the eo-acid pump to add an amount of eo-acid in the sour water storage tank, mate with original defective sour water, utilize self-circulating pump to stir, make that acid-bearing wastewater reaches the regenerated acid standard in the sour water storage tank, open the regenerated acid tank valve regenerated acid in the sour water storage tank is transported in the regenerated acid tank.
The utility model utilizes absorption principle, reducing cold rolling acid regeneration opens between the campaign and acid content in the emergency episode phase tail gas, brown iron oxide content occur, when the acid regeneration concentrating waste acid, can not go out regenerated acid during, utilize the utility model to guarantee scrubbing tower, the assimilation effect that the absorption tower wash effect is good, make acid content in the acid regeneration tail gas, brown iron oxide content.
Claims (2)
1. device that can reduce acid content in the acid regeneration tail gas, brown iron oxide content, it is characterized in that: it comprises sour water storage tank (1), water jet pump (2), self-circulating pump (3), eo-acid pump (4), water jet pump (2) is installed in the connecting line between scrubbing tower (7) and absorption tower (8), sour water storage tank 1() is connected with regenerated acid tank (9) with absorption tower (8) respectively by pipeline, self-circulating pump (3) is installed in this pipeline, and eo-acid pump (4) is installed in the new acid solution intake line of sour water storage tank (1).
2. the device that can reduce acid content in the acid regeneration tail gas, brown iron oxide content according to claim 1, it is characterized in that: it also has acid concentration analyzer (5) and liquid level gauge (6), acid concentration analyzer (5) is installed in the output pipe of sour water storage tank (1), and liquid level gauge (6) is installed in the sour water storage tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220128803 CN202803069U (en) | 2012-03-30 | 2012-03-30 | Device capable of reducing content of acid and iron oxide powder in acid regeneration tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220128803 CN202803069U (en) | 2012-03-30 | 2012-03-30 | Device capable of reducing content of acid and iron oxide powder in acid regeneration tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202803069U true CN202803069U (en) | 2013-03-20 |
Family
ID=47862015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220128803 Expired - Lifetime CN202803069U (en) | 2012-03-30 | 2012-03-30 | Device capable of reducing content of acid and iron oxide powder in acid regeneration tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202803069U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204473A (en) * | 2013-03-26 | 2013-07-17 | 鞍钢股份有限公司 | Method for preventing red smoke from being generated by conversion of acid water of regeneration unit |
| CN109371404A (en) * | 2018-11-28 | 2019-02-22 | 张家港浦项不锈钢有限公司 | A kind of hot-rolled stainless steel annealing and pickling line regenerated acid utilizes method |
-
2012
- 2012-03-30 CN CN 201220128803 patent/CN202803069U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204473A (en) * | 2013-03-26 | 2013-07-17 | 鞍钢股份有限公司 | Method for preventing red smoke from being generated by conversion of acid water of regeneration unit |
| CN109371404A (en) * | 2018-11-28 | 2019-02-22 | 张家港浦项不锈钢有限公司 | A kind of hot-rolled stainless steel annealing and pickling line regenerated acid utilizes method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 063016 Binhe Road, Hebei, Tangshan City, No. 9 Patentee after: River steel Limited by Share Ltd Tangshan branch Address before: 063016 Binhe Road, Hebei, Tangshan City, No. 9 Patentee before: Hebei Steel Co., Ltd., Tangshan Branch |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |
|
| CX01 | Expiry of patent term |