CN102502497B - Graded and continuous production device and technique of hydrochloric acid - Google Patents
Graded and continuous production device and technique of hydrochloric acid Download PDFInfo
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- CN102502497B CN102502497B CN 201110315662 CN201110315662A CN102502497B CN 102502497 B CN102502497 B CN 102502497B CN 201110315662 CN201110315662 CN 201110315662 CN 201110315662 A CN201110315662 A CN 201110315662A CN 102502497 B CN102502497 B CN 102502497B
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Abstract
The invention discloses a graded and continuous production device of hydrochloric acid, which comprises a No. 1 gas-liquid separator, a No. 1 washing circulation groove, a No. 2 gas-liquid separator, a No. 2 washing circulation groove, a No. 1 hydrochloric acid storage tank, a No. 2 hydrochloric acid storage tank, an intermediate groove and an absorption tower, wherein the No. 1 gas-liquid separator is connected with the No.1 washing circulation groove, the No.1 washing circulation groove is connected with the No.2 washing circulation groove, and the No.2 washing circulation groove is connected with the No.1 hydrochloric acid storage tank; the No.2 washing circulation groove is also connected with the No.2 gas-liquid separator, the No.2 gas-liquid separator is connected with the intermediate groove, and the intermediate groove is connected with the absorption tower; the No.2 hydrochloric acid storage tank is connected with the No.2 gas-liquid separator; and the No.1 gas-liquid separator is also connected with the intermediate groove. The invention also discloses a technique of producing hydrochloric acid by the device. The graded and continuous production device of hydrochloric acid disclosed by the invention has the advantages of fully recycling high-sulfur diluted hydrochloric acid and systematically concentrating the same so as to guarantee the concentration effect by high-sulfur absorption as well as increasing the production of low-sulfur hydrochloric acid to the utmost.
Description
Technical field
The present invention relates to a kind of hierarchical continuous hydrochloric acid producing device and technique.
Background technology
Present domestic phosphorus compound fertilizer enterprise produces, and for to the hydrogen chloride gas optimal utilization, most enterprises not only carries out by-product hydrochloric acid production, also further utilizes hydrogen chloride gas to produce chlorsulfonic acid; Chlorsulfonic acid is produced the hydrochloric acid of tail in washing, and containing sulfate radicals is high and concentration is low, does not reach the technical hydrochloric acid concentration requirement, as the system of washing increases absorption unit again and carries out the hydrochloric acid concentrate at the chlorsulfonic acid tail, must increase production cost, and hydrochloric acid yields poorly; Another intermittence is carried out low-sulfur hydrochloric acid, the production of high-sulfur hydrochloric acid, owing to needing that when producing low-sulfur hydrochloric acid apparatus system is replaced, causes low-sulfur hydrochloric acid output low, produces uneconomical.
Summary of the invention
For above-mentioned prior art, the invention provides a kind of hydrogen chloride gas that utilizes high-sulfur dilute hydrochloric acid that the chlorsulfonic acid system produces and phosphorus compound fertilizer system to produce and carry out device and the technique that hierarchical continuous hydrochloric acid is produced.
The present invention is achieved by the following technical solutions:
A kind of hierarchical continuous hydrochloric acid producing device, comprise 1# gas-liquid separator, 1# cycles of washing groove, 2# gas-liquid separator, 2# cycles of washing groove, 1# hydrochloric acid storage tank, 2# hydrochloric acid storage tank, medial launder and absorption tower, wherein, all carry cleaning circulation pump on 1# gas-liquid separator, 1# cycles of washing groove, 2# gas-liquid separator, 2# cycles of washing groove, medial launder and absorption tower; The 1# gas-liquid separator is connected with 1# cycles of washing groove, and 1# cycles of washing groove is connected with 2# cycles of washing groove, and 2# cycles of washing groove is connected with 1# hydrochloric acid storage tank; 2# cycles of washing groove also is connected with the 2# gas-liquid separator,, the 2# gas-liquid separator is connected with medial launder, and medial launder is connected with the absorption tower; 2# hydrochloric acid storage tank is connected with the 2# gas-liquid separator; The 1# gas-liquid separator also is connected with medial launder.
The pipeline that described 1# gas-liquid separator is connected with medial launder is provided with stopping valve.
A kind of hierarchical continuous hydrochloric acid production technique, for: the high-sulfur dilute hydrochloric acid that the chlorsulfonic acid system of routine produces is got in the 1# gas-liquid separator, simultaneously, the hydrogen chloride gas of the phosphorus compound fertilizer system of routine being produced is divided into two strands and gets in 1# cycles of washing groove and 2# cycles of washing groove; High-sulfur dilute hydrochloric acid by producing qualified high-sulfur hydrochloric acid after 1# gas-liquid separator, 1# cycles of washing groove, 2# cycles of washing groove concentrate (absorbing hydrogen chloride gas), then pumps in 1# hydrochloric acid storage tank successively; Got to the hydrogen chloride gas of 1# cycles of washing groove, after the absorption of high-sulfur dilute hydrochloric acid, unabsorbed part by 1# cycles of washing groove, 1# gas-liquid separator, medial launder, absorption tower, after being absorbed, becomes low-sulfur hydrochloric acid successively; Got to the hydrogen chloride gas of 2# cycles of washing groove, after the absorption of high-sulfur dilute hydrochloric acid, unabsorbed part by 2# cycles of washing groove, 2# gas-liquid separator, medial launder, absorption tower, after being absorbed, becomes low-sulfur hydrochloric acid successively; The low-sulfur hydrochloric acid that generates pumps into 2# hydrochloric acid storage tank after absorption tower, medial launder, 2# gas-liquid separator.
The present invention utilizes existing hydrogen nak response, absorption unit, and the hydrogen chloride gas of reaction production and the high-sulfur dilute hydrochloric acid of chlorsulfonic acid production are absorbed concentrate, improves Business Economic Benefit.The invention has the beneficial effects as follows: fully recycle the high-sulfur dilute hydrochloric acid that the chlorsulfonic acid system produces, it carried out system's concentrate, guarantee high-sulfur absorb reach the concentrate effect in, the lowland increases the production of low-sulfur hydrochloric acid to greatest extent.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is process flow sheet of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
A kind of hierarchical continuous hydrochloric acid producing device, comprise 1# gas-liquid separator, 1# cycles of washing groove, 2# gas-liquid separator, 2# cycles of washing groove, 1# hydrochloric acid storage tank, 2# hydrochloric acid storage tank, medial launder and absorption tower, wherein, all carry cleaning circulation pump on 1# gas-liquid separator, 1# cycles of washing groove, 2# gas-liquid separator, 2# cycles of washing groove, medial launder and absorption tower; The 1# gas-liquid separator is connected with 1# cycles of washing groove, and 1# cycles of washing groove is connected with 2# cycles of washing groove, and 2# cycles of washing groove is connected with 1# hydrochloric acid storage tank; 2# cycles of washing groove also is connected with the 2# gas-liquid separator,, the 2# gas-liquid separator is connected with medial launder, and medial launder is connected with the absorption tower; 2# hydrochloric acid storage tank is connected with the 2# gas-liquid separator; The 1# gas-liquid separator also is connected with medial launder.
The pipeline that described 1# gas-liquid separator is connected with medial launder is provided with stopping valve.
A kind of hierarchical continuous hydrochloric acid production technique, for: the high-sulfur dilute hydrochloric acid that the chlorsulfonic acid system of routine produces is got in the 1# gas-liquid separator, simultaneously, the hydrogen chloride gas of the phosphorus compound fertilizer system of routine being produced is divided into two strands and gets in 1# cycles of washing groove and 2# cycles of washing groove; High-sulfur dilute hydrochloric acid by producing qualified high-sulfur hydrochloric acid after 1# gas-liquid separator, 1# cycles of washing groove, 2# cycles of washing groove concentrate (absorbing hydrogen chloride gas), then pumps in 1# hydrochloric acid storage tank successively; Got to the hydrogen chloride gas of 1# cycles of washing groove, after the absorption of high-sulfur dilute hydrochloric acid, unabsorbed part by 1# cycles of washing groove, 1# gas-liquid separator, medial launder, absorption tower, after being absorbed, becomes low-sulfur hydrochloric acid successively; Got to the hydrogen chloride gas of 2# cycles of washing groove, after the absorption of high-sulfur dilute hydrochloric acid, unabsorbed part by 2# cycles of washing groove, 2# gas-liquid separator, medial launder, absorption tower, after being absorbed, becomes low-sulfur hydrochloric acid successively; The low-sulfur hydrochloric acid that generates pumps into 2# hydrochloric acid storage tank after absorption tower, medial launder, 2# gas-liquid separator.
The present invention utilizes existing hydrogen nak response, absorption unit, and the hydrogen chloride gas of reaction production and the high-sulfur dilute hydrochloric acid of chlorsulfonic acid production are absorbed concentrate, improves Business Economic Benefit.The invention has the beneficial effects as follows: fully recycle the high-sulfur dilute hydrochloric acid that the chlorsulfonic acid system produces, it carried out system's concentrate, guarantee high-sulfur absorb reach the concentrate effect in, the lowland increases the production of low-sulfur hydrochloric acid to greatest extent.
Claims (3)
1. hierarchical continuous hydrochloric acid producing device, it is characterized in that: comprise 1# gas-liquid separator, 1# cycles of washing groove, 2# gas-liquid separator, 2# cycles of washing groove, 1# hydrochloric acid storage tank, 2# hydrochloric acid storage tank, medial launder and absorption tower, wherein, all carry cleaning circulation pump on 1# gas-liquid separator, 1# cycles of washing groove, 2# gas-liquid separator, 2# cycles of washing groove, medial launder and absorption tower; The 1# gas-liquid separator is connected with 1# cycles of washing groove, and 1# cycles of washing groove is connected with 2# cycles of washing groove, and 2# cycles of washing groove is connected with 1# hydrochloric acid storage tank; 2# cycles of washing groove also is connected with the 2# gas-liquid separator, and the 2# gas-liquid separator is connected with medial launder, and medial launder is connected with the absorption tower; 2# hydrochloric acid storage tank is connected with the 2# gas-liquid separator; The 1# gas-liquid separator also is connected with medial launder.
2. a kind of hierarchical continuous hydrochloric acid producing device according to claim 1, it is characterized in that: the pipeline that described 1# gas-liquid separator is connected with medial launder is provided with stopping valve.
3. a hierarchical continuous hydrochloric acid production technique, is characterized in that: high-sulfur dilute hydrochloric acid is got in the 1# gas-liquid separator, simultaneously, hydrogen chloride gas is divided into two strands gets in 1# cycles of washing groove and 2# cycles of washing groove; High-sulfur dilute hydrochloric acid by producing high-sulfur hydrochloric acid after 1# gas-liquid separator, 1# cycles of washing groove, 2# cycles of washing groove concentrate, then pumps in 1# hydrochloric acid storage tank successively; Got to the hydrogen chloride gas of 1# cycles of washing groove, after the absorption of high-sulfur dilute hydrochloric acid, unabsorbed part by 1# cycles of washing groove, 1# gas-liquid separator, medial launder, absorption tower, after being absorbed, becomes low-sulfur hydrochloric acid successively; Got to the hydrogen chloride gas of 2# cycles of washing groove, after the absorption of high-sulfur dilute hydrochloric acid, unabsorbed part by 2# cycles of washing groove, 2# gas-liquid separator, medial launder, absorption tower, after being absorbed, becomes low-sulfur hydrochloric acid successively; The low-sulfur hydrochloric acid that generates pumps into 2# hydrochloric acid storage tank after absorption tower, medial launder, 2# gas-liquid separator.
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| CN 201110315662 CN102502497B (en) | 2011-10-18 | 2011-10-18 | Graded and continuous production device and technique of hydrochloric acid |
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| CN 201110315662 CN102502497B (en) | 2011-10-18 | 2011-10-18 | Graded and continuous production device and technique of hydrochloric acid |
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| CN102502497B true CN102502497B (en) | 2013-11-06 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005008612A1 (en) * | 2005-02-23 | 2006-08-24 | Basf Ag | Chlorine production from hydrogen chloride, comprises feeding hydrogen chloride containing stream, feeding, cooling and drying product gas stream, liquefacting the gas stream and separating gas/liquid stream and aqueous hydrochloric acid |
| CN101007622A (en) * | 2006-01-26 | 2007-08-01 | 山东恒通化工股份有限公司 | Device for tail chlorine degassing and absorption for preparing hydrochloride gas and its preparation method |
| CN101862586A (en) * | 2010-07-12 | 2010-10-20 | 江苏海鹏防腐设备有限公司 | System for industrial waste gas treatment and salt regeneration |
| CN202270466U (en) * | 2011-10-18 | 2012-06-13 | 山东聊城鲁西化工第四化肥有限公司 | Hierarchical continuous hydrochloric acid producing device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2679132Y (en) * | 2004-01-15 | 2005-02-16 | 山东滨化集团有限责任公司 | Prodn. appts. for reagent-class hydrochloric acid |
| JP2006290649A (en) * | 2005-04-07 | 2006-10-26 | Sumitomo Chemical Co Ltd | Method for separating and recovering hydrogen chloride |
| CN101474523B (en) * | 2008-12-26 | 2011-05-11 | 瓮福（集团）有限责任公司 | Absorption method of fluorine |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005008612A1 (en) * | 2005-02-23 | 2006-08-24 | Basf Ag | Chlorine production from hydrogen chloride, comprises feeding hydrogen chloride containing stream, feeding, cooling and drying product gas stream, liquefacting the gas stream and separating gas/liquid stream and aqueous hydrochloric acid |
| CN101007622A (en) * | 2006-01-26 | 2007-08-01 | 山东恒通化工股份有限公司 | Device for tail chlorine degassing and absorption for preparing hydrochloride gas and its preparation method |
| CN101862586A (en) * | 2010-07-12 | 2010-10-20 | 江苏海鹏防腐设备有限公司 | System for industrial waste gas treatment and salt regeneration |
| CN202270466U (en) * | 2011-10-18 | 2012-06-13 | 山东聊城鲁西化工第四化肥有限公司 | Hierarchical continuous hydrochloric acid producing device |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2006-290649A 2006.10.26 |
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Effective date of registration: 20181210 Address after: 252211 Shandong Liaocheng High-tech Industrial Development Zone Luxi Industrial Park Patentee after: Shandong Liaocheng Zhongsheng Lanrui Chemical Industry Co., Ltd. Address before: 252211 Middle Section of Guangjan Road, Liaocheng Development Zone, Shandong Province Patentee before: No. 4 Fertilizer Co., Ltd., Shandong Liaocheng Luxi Chemical Co., Ltd. |
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Address after: 252211 Shandong Liaocheng High-tech Industrial Development Zone Luxi Industrial Park Patentee after: Liaocheng Luxi Chlorobenzyl Chemical Co., Ltd. Address before: 252211 Shandong Liaocheng High-tech Industrial Development Zone Luxi Industrial Park Patentee before: Shandong Liaocheng Zhongsheng Lanrui Chemical Industry Co., Ltd. |
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Effective date of registration: 20220531 Address after: 252211 new chemical materials Industrial Park, Liaocheng high tech Industrial Development Zone, Shandong Province Patentee after: CHLOR-ALKALI CHEMICAL BRANCH OF LUXI CHEMICAL GROUP Co.,Ltd. Address before: 252211 Shandong Liaocheng High-tech Industrial Development Zone Luxi Industrial Park Patentee before: Liaocheng Luxi Chlorobenzyl Chemical Co.,Ltd. |
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