CN201292253Y - Dilute hydrochloric acid return current apparatus - Google Patents
Dilute hydrochloric acid return current apparatus Download PDFInfo
- Publication number
- CN201292253Y CN201292253Y CNU2008202184851U CN200820218485U CN201292253Y CN 201292253 Y CN201292253 Y CN 201292253Y CN U2008202184851 U CNU2008202184851 U CN U2008202184851U CN 200820218485 U CN200820218485 U CN 200820218485U CN 201292253 Y CN201292253 Y CN 201292253Y
- Authority
- CN
- China
- Prior art keywords
- hydrochloric acid
- dilute hydrochloric
- tail gas
- tower
- outlet
- 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 - Fee Related
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- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a dilute hydrochloric acid backflow device, in particular to a No.3 tail gas absorption tower and a high-level dilute hydrochloric acid tank in an acid-making device. The utility model is designed for mainly solving the problem that the No.3 tail gas absorption tower is easy to be iced in the cold winter and comprises a high-level dilute hydrochloric acid tank and an No.3 tail gas absorption tower, wherein a dilute hydrochloric acid inlet, a dilute hydrochloric acid outlet and a dilute hydrochloric acid backflow outlet are arranged in the high-level dilute hydrochloric acid tank, filling material is arranged in the No.3 tail gas absorption tower, a hydrogen chloride gas inlet is arranged on a tower body below the filling material, a hydrogen chloride gas outlet is arranged at the top of the tower, the dilute hydrochloric acid outlet at the lower part of the tower is connected with a hydrochloric acid pump, a pipeline of the hydrochloric acid pump is connected with a spray thrower at the top of the tower, the other dilute hydrochloric acid outlet connected with the dilute hydrochloric acid inlet of an No.2 tail gas absorption tower is arranged at the bottom of the tower, a dilute hydrochloric acid inlet is additionally arranged on the No.3 tail gas absorption tower, and the dilute hydrochloric acid backflow outlet of the high-level dilute hydrochloric acid tank is connected with the dilute hydrochloric acid inlet on the No.3 tail gas absorption tower. The utility model has the advantages that the No.3 tail gas absorption tower can not be iced in the cold winter.
Description
Technical field:
The utility model relates to No. 3 tail gas absorbers and the high-order dilute hydrochloric acid jar in a kind of acid-producing apparatus.
Background technology:
The dilute hydrochloric acid bypass outlet of existing high-order dilute hydrochloric acid jar is connected with the dilute hydrochloric acid reflux inlet of No. 1 tail gas absorber, No. 1 the tail gas absorber bottom has the pipeline that passes through for hydrochloric acid to be connected with film-falling absorption tower, No. 1 the tail gas absorber bottom also has the pipeline that passes through for hydrochloric acid to be connected with No. 2 tail gas absorbers, the hydrogen chloride gas outlet at No. 1 tail gas absorber top has pipeline to be connected with No. 2 tail gas absorber HCI gas inlets, No. 2 the tail gas absorber bottom has the pipeline that passes through for hydrochloric acid to be connected with No. 3 tail gas absorbers, and the hydrogen chloride gas outlet at No. 2 tail gas absorber tops has pipeline to be connected with the HCI gas inlet of No. 3 tail gas absorbers.Shortcoming is: because the dilute hydrochloric acid of high-order dilute hydrochloric acid jar enters behind No. 1 tail gas absorber without No. 2 and No. 3 tail gas absorbers, flow directly into film-falling absorption tower, and the concentration of hydrochloric acid in No. 3 tail gas absorbers is minimum, the damage tower body easily froze in the winter of cold.
Summary of the invention:
The technical problems to be solved in the utility model provides the dilute hydrochloric acid reflux that a kind of No. 3 tail gas absorbers also can not freeze in the winter of cold.
The purpose of this utility model is achieved in that it comprises high-order dilute hydrochloric acid jar and No. 3 tail gas absorbers, high-order dilute hydrochloric acid jar has the dilute hydrochloric acid inlet, dilute hydrochloric acid outlet and dilute hydrochloric acid bypass outlet, in No. 3 tail gas absorbers filler is arranged, on the tower body of filler below the HCI gas inlet is arranged, the hydrogen chloride gas outlet is arranged at the top of tower, the bottom of tower has the dilute hydrochloric acid outlet to be connected with the hydrochloric acid pump, the hydrochloric acid pump has pipeline to be connected with the spray thrower of top of tower, the bottom of tower also has another dilute hydrochloric acid outlet for being connected with the dilute hydrochloric acid inlet of No. 2 tail gas absorbers, we set up dilute hydrochloric acid inlet on No. 3 tail gas absorbers, the dilute hydrochloric acid bypass outlet of high-order dilute hydrochloric acid jar is entered the mouth with pipeline and dilute hydrochloric acid on No. 3 tail gas absorbers to be connected.
The utility model has the advantages that: be connected because the dilute hydrochloric acid bypass outlet of high-order dilute hydrochloric acid jar entered the mouth with pipeline and dilute hydrochloric acid on No. 3 tail gas absorbers, the dilute hydrochloric acid of high-order dilute hydrochloric acid jar at first is back in No. 3 tail gas absorbers, and then enter No. 2 tail gas absorbers, No. 1 tail gas absorber successively, flow into film-falling absorption tower again, because the concentration of No. 3 interior dilute hydrochloric acid of tail gas absorber increases, so can not freeze the winter in cold yet, tower body can not be damaged.
Description of drawings:
Accompanying drawing is a structural representation of the present utility model.
Embodiment:
With reference to accompanying drawing, it comprises high-order dilute hydrochloric acid jar 1 and No. 3 tail gas absorbers 2, high-order dilute hydrochloric acid jar has dilute hydrochloric acid inlet 5, dilute hydrochloric acid outlet 4 and dilute hydrochloric acid bypass outlet 3, in No. 3 tail gas absorbers 2 filler 6 is arranged, on the tower body of filler below HCI gas inlet 7 is arranged, hydrogen chloride gas outlet 9 is arranged at the top of tower, the bottom of tower has the dilute hydrochloric acid outlet to be connected with hydrochloric acid pump 11, hydrochloric acid pump 11 has pipeline to be connected with the spray thrower 12 of top of tower, the bottom of tower also has another dilute hydrochloric acid outlet 13 for being connected with the dilute hydrochloric acid inlet of No. 2 tail gas absorbers, set up dilute hydrochloric acid inlet 8 on No. 3 tail gas absorbers, dilute hydrochloric acid bypass outlet 3 usefulness the pipelines 10 of high-order dilute hydrochloric acid jar 1 and dilute hydrochloric acid on No. 3 tail gas absorbers are entered the mouth 8 to be connected.
Claims (1)
1, a kind of dilute hydrochloric acid reflux, comprise high-order dilute hydrochloric acid jar (1) and No. 3 tail gas absorbers (2), high-order dilute hydrochloric acid jar has dilute hydrochloric acid inlet (5), dilute hydrochloric acid outlet (4) and dilute hydrochloric acid bypass outlet (3), filler (6) is arranged in No. 3 tail gas absorbers (2), on the tower body of filler below HCI gas inlet (7) is arranged, hydrogen chloride gas outlet (9) is arranged at the top of tower, the bottom of tower has the dilute hydrochloric acid outlet to be connected with hydrochloric acid pump (11), hydrochloric acid pump (11) has pipeline to be connected with the spray thrower (12) of top of tower, the bottom of tower also has another dilute hydrochloric acid outlet (13) for being connected with the dilute hydrochloric acid inlet of No. 2 tail gas absorbers, it is characterized in that on No. 3 tail gas absorbers, setting up dilute hydrochloric acid inlet (8), with the dilute hydrochloric acid bypass outlet (3) of high-order dilute hydrochloric acid jar (1) with pipeline (10) and dilute hydrochloric acid on No. 3 tail gas absorbers enter the mouth (8) be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202184851U CN201292253Y (en) | 2008-10-15 | 2008-10-15 | Dilute hydrochloric acid return current apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202184851U CN201292253Y (en) | 2008-10-15 | 2008-10-15 | Dilute hydrochloric acid return current apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201292253Y true CN201292253Y (en) | 2009-08-19 |
Family
ID=41005719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202184851U Expired - Fee Related CN201292253Y (en) | 2008-10-15 | 2008-10-15 | Dilute hydrochloric acid return current apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201292253Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284222A (en) * | 2011-06-17 | 2011-12-21 | 杭州中昊科技有限公司 | Dust-removal washing tower for treating fumed silica tail gas |
-
2008
- 2008-10-15 CN CNU2008202184851U patent/CN201292253Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284222A (en) * | 2011-06-17 | 2011-12-21 | 杭州中昊科技有限公司 | Dust-removal washing tower for treating fumed silica tail gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LIAOYANG XINSHUI CHEMICAL INDUSTRY CO., LTD. Free format text: FORMER OWNER: XU XIUFANG Effective date: 20091225 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091225 Address after: The first farm Taizihe Liaoning city in Liaoyang province after the three breakout, zip code: 111000 Patentee after: Liaoyang Xin Water Chemical Co., Ltd. Address before: The first farm Taizihe Liaoning city in Liaoyang province after the three branch of Liaoyang Xin Water Chemical Co., Ltd., zip code: 111000 Patentee before: Xu Xiufang |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20111015 |