CN102660327A - Slurry acetylene recycling device - Google Patents
Slurry acetylene recycling device Download PDFInfo
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- CN102660327A CN102660327A CN201210145653XA CN201210145653A CN102660327A CN 102660327 A CN102660327 A CN 102660327A CN 201210145653X A CN201210145653X A CN 201210145653XA CN 201210145653 A CN201210145653 A CN 201210145653A CN 102660327 A CN102660327 A CN 102660327A
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- acetylene
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- stripping tower
- recycling device
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Abstract
The invention relates to a wet type acetylene generating device in a polyvinyl chloride production process, and in particular relates to a slurry acetylene recycling device. The slurry acetylene recycling device comprises a stripping tower, an acetylene cooling device, a steam water separator and a concentrating tank, wherein the upper part of the stripping tower is connected with the acetylene cooling device by virtue of a pipeline, the lower part of the acetylene cooling device is connected with the steam water separator by virtue of the pipeline, and the outlet of a slurry discharging pipe at the bottom of the stripping tower is directly connected with the concentrating tank and is submerged under liquid level of the concentrating tank. According to the slurry acetylene recycling device disclosed by the invention, a liquid seal tank in the original device is eliminated, the slurry discharging pipe of the stripping tower is directly inserted under the liquid level of the concentrating tank, and liquid seal is guaranteed, thus sealing requirement of the stripping tower is realized, and a phenomenon that slurry blocks the original liquid seal tank is avoided; and the slurry acetylene recycling device disclosed by the invention has the characteristics of being obvious in economic benefit, easy and simple in operation and excellent in safety performance.
Description
Technical field
The present invention relates to wet type acetylene generator in the Production of PVC operation, specifically is a kind of slag slurry acetylene.
Background technology
Calcium carbide is the important source material of calcium carbide process PVC enterprise, remaining a large amount of acetylene gas in the carbide slag slurries that its hydrolysis produces.The volatilization of letting alone remaining acetylene in the carbide slag slurries is run off, and not only causes the great wasting of resources, simultaneously because also there is very big potential safety hazard in inflammable, the explosive characteristic of acetylene gas.At present, known slag slurry acetylene recovery method is through process procedures such as vacuum, stripping, flash distillations, and the acetylene gas safety that remains in the carbide slag slurries is recycled.Specifically; Be through the acetylene of slag slurry acetylene stripper in dissolving of vacuum state recover liquid and unreacted calcium carbide; The acetylene gas that reclaims is delivered to Acetylene Gas Holder, and the slag slurry that reclaims behind the acetylene gets in the liquid seal can that band stirs facility from stripping tower, through the potential difference overflow to concentration basin.But milk of lime content is very high in the slag pulp waste water; Because milk of lime is a kind of soup compound, runs up to the obstruction that to a certain degree can cause liquid seal can, must interrupt the operation that slag slurry acetylene reclaims technology for this reason; So that replace, open and inspect etc.; Both caused the acetylene waste, safety does not have guarantee again, is that still unsolved at present slag slurry acetylene reclaims the technology drawback.
Summary of the invention
The present invention is intended to solve above-mentioned liquid seal can blocking problem, and provides a kind of liquid seal can of can avoiding to stop up, and can give full play to the slag slurry acetylene of liquid seal can function again.
The technical scheme that the present invention solves said problem employing is:
A kind of slag slurry acetylene; Comprise stripping tower, acetylene water cooler, steam separator, concentration basin; Stripping tower top is connected with the acetylene water cooler through pipeline; Acetylene water cooler bottom is connected with steam separator through pipeline, and the slag slurry tremie pipe outlet of said stripping tower bottom directly is connected with concentration basin and slips into below the concentration basin liquid level.
Compared with prior art; The invention has the beneficial effects as follows: cancelled the liquid seal can in original device; Stripping tower slag slurry tremie pipe is directly inserted below the concentration basin liquid level and guarantees fluid-tight, both realized the stripping tower seal request, avoided the slag slurry to stop up former liquid seal can phenomenon again.Have remarkable in economical benefits, easy and simple to handle, safety performance excellent characteristics.
Description of drawings
Fig. 1 is an embodiment of the invention structural representation.
Among the figure: the 1-stripping tower; The 2-pipeline; 3-acetylene water cooler; The 4-gas-liquid separator; The 5-concentration basin; 6-slag slurry tremie pipe.
Embodiment
Below in conjunction with embodiment the present invention is described further.
Referring to Fig. 1; Slag slurry acetylene is made up of stripping tower 1, acetylene water cooler 3, steam separator 4, concentration basin 5; The top of stripping tower 1 is connected with the acetylene gas flash steam import of acetylene water cooler 3 through pipeline 2; Acetylene water cooler 3 bottoms are connected with steam separator 4 through pipeline 2, and the outlet of the slag slurry tremie pipe 6 of stripping tower 1 bottom directly is connected with concentration basin 5 and slips under the liquid level of concentration basin 5; The degree of depth that slips into liquid level should guarantee stripping tower 1 is played the fluid-tight effect.Concentration basin 5 is provided with two among the figure.
Operational process of the present invention is summarized as follows:
The slag slurry that the wet type carbide-feed generator produces is forced the slag slurry is squeezed into stripping tower 1 through the slag stock pump; Under vacuum state; Dissolving and be adsorbed on the acetylene gas in the slip and puts forward the acetylene gas flash steam, behind 3 coolings of acetylene water cooler, steam separator 4; With water ring vacuum pump acetylene gas is reclaimed, and the carbide slag mud behind the stripping directly gets into concentration basin 5 through slag slurry tremie pipe 6.Because it is enough dark under the liquid level that the outlet of slag slurry tremie pipe 6 is opened and slipped in the concentration basin 5, therefore, liquid level can play the fluid-tight effect for stripping tower 1 in the concentration basin 5, has prevented the volatilization of remaining acetylene.When the degree of depth of concentration basin 5 was five meters, the degree of depth that slag slurry tremie pipe 6 gos deep into concentration basin was 1.2 meters.
Claims (2)
1. a slag is starched acetylene; Comprise stripping tower, acetylene water cooler, steam separator, concentration basin; Stripping tower top is connected with the acetylene water cooler through pipeline; Acetylene water cooler bottom is connected with steam separator through pipeline, it is characterized in that, the slag slurry tremie pipe outlet of said stripping tower bottom directly is connected with concentration basin and slips into below the concentration basin liquid level.
2. slag slurry acetylene according to claim 1, it is characterized in that: said concentration basin is made as two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210145653XA CN102660327A (en) | 2012-05-11 | 2012-05-11 | Slurry acetylene recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210145653XA CN102660327A (en) | 2012-05-11 | 2012-05-11 | Slurry acetylene recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102660327A true CN102660327A (en) | 2012-09-12 |
Family
ID=46769911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210145653XA Pending CN102660327A (en) | 2012-05-11 | 2012-05-11 | Slurry acetylene recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102660327A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105219435A (en) * | 2015-11-10 | 2016-01-06 | 天津大沽化工股份有限公司 | A kind of method reclaiming acetylene from slag slurry |
| CN108996884A (en) * | 2018-08-21 | 2018-12-14 | 唐山三友氯碱有限责任公司 | Carbide slurry processing equipment and processing method and a kind of carbide slag slurries |
| CN112473318A (en) * | 2020-11-29 | 2021-03-12 | 云南能投化工有限责任公司 | Production of acetylene gas is retrieved with degasification tower that is difficult for blockking up to carbide slag thick liquid |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202530050U (en) * | 2012-05-11 | 2012-11-14 | 唐山三友氯碱有限责任公司 | Device for recovering acetylene from slurry |
-
2012
- 2012-05-11 CN CN201210145653XA patent/CN102660327A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202530050U (en) * | 2012-05-11 | 2012-11-14 | 唐山三友氯碱有限责任公司 | Device for recovering acetylene from slurry |
Non-Patent Citations (1)
| Title |
|---|
| 焦高成: "电石渣浆回收乙炔气运行总结", 《聚氯乙烯》, vol. 40, no. 4, 25 April 2012 (2012-04-25), pages 42 - 44 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105219435A (en) * | 2015-11-10 | 2016-01-06 | 天津大沽化工股份有限公司 | A kind of method reclaiming acetylene from slag slurry |
| CN108996884A (en) * | 2018-08-21 | 2018-12-14 | 唐山三友氯碱有限责任公司 | Carbide slurry processing equipment and processing method and a kind of carbide slag slurries |
| CN112473318A (en) * | 2020-11-29 | 2021-03-12 | 云南能投化工有限责任公司 | Production of acetylene gas is retrieved with degasification tower that is difficult for blockking up to carbide slag thick liquid |
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Application publication date: 20120912 |