CN109354568A - A kind of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device - Google Patents
A kind of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device Download PDFInfo
- Publication number
- CN109354568A CN109354568A CN201811185696.4A CN201811185696A CN109354568A CN 109354568 A CN109354568 A CN 109354568A CN 201811185696 A CN201811185696 A CN 201811185696A CN 109354568 A CN109354568 A CN 109354568A
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- CN
- China
- Prior art keywords
- acetylene
- blowdown
- cooler
- control valve
- recovering device
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a kind of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering devices, it include sand seal, acetylene gas pipe is accessed in one end of sand seal, sand seal has connected water seal, water seal has connected the first cooler, first cooler has connected the second cooler far from one end of water seal, second cooler has connected demister far from the one end for stating the first cooler, demister has connected connector far from one end of the second cooler, connector has connected mixer far from one end of demister, first cooler, pipeline between second cooler has connected recycling acetylene in gas phase pipe, the end of recycling acetylene in gas phase pipe has connected blowdown filling, blowdown fills the side wall respectively close to bottom and top equipped with two pipelines, and visor is connected, blowdown filling has connected waste water filling.The present invention reduces the consumption of unstripped gas, improve environment-friendly quality, have prevented existing security risk.
Description
Technical field
The invention belongs to VCM synthesis workshop technical field, specially a kind of mixed dehydration acetylene general pipeline blowdown acetylene gas
Recyclable device.
Background technique
Vinyl chloride workshop mixed dehydration device is purity >=98.5 nothings sent by acetylene section first in production run
S, the impurity such as P enter back into graphite cooler acetylene and remove after acetylene gas is introduced into sand seal, water seal, acetylene cooler cooled dehydrated
Day with fog is 94-96%, the hydrogen chloride gas without free chlorine through chlorine subsequently into the purity that mixer and hydrogen chloride workshop section are sent
After change hydrogen cooler, the dehydration of hydrogen chloride demister are mixed into mixer, then through cooler cooled dehydrated, acid mist separator
Depickling, gaseous mixture water content≤0.06%, enter back into preheater preheating, subsequently into converter with the mercury chloride in converter
Catalyst carries out gas phase addition reaction and generates thick vinyl chloride gas.Cooled cooling water will be arranged from cooler bottom water manually on time
Out.
In the prior art, when the blowdown of vinyl chloride workshop, the water that can be cooled takes away acetylene gas, and unstripped gas consumption is serious, simultaneously
Also it polluted environment, there are security risks.
Summary of the invention
In order to solve technological deficiency above-mentioned in the prior art, a kind of mixed dehydration acetylene general pipeline blowdown disclosed by the invention
Acetylene gas recovering device, the purpose realized are to reduce the consumption of unstripped gas, improve environment-friendly quality, have prevented existing safety
Hidden danger.
To achieve the above object, technical solution provided by the invention is that the present invention provides a kind of mixed dehydration acetylene is total
Pipe blowdown acetylene gas recovering device, includes sand seal, and acetylene gas pipe is accessed in one end of the sand seal, and the sand seal has connected water
Envelope, the water seal have connected the first cooler, and first cooler has connected the second cooler far from one end of water seal, described
Second cooler has connected demister far from the one end for stating the first cooler, and the one end of the demister far from the second cooler is logical
Be connected to connector, the connector has connected mixer far from one end of demister, first cooler, the second cooler it
Between pipeline connected recycling acetylene in gas phase pipe, the end of the recycling acetylene in gas phase pipe has connected blowdown filling, and the blowdown fills
Two pipelines are equipped with respectively close to the side wall of bottom and top, and have connected visor, the blowdown filling has connected waste water filling.
Preferably, the visor is vertically arranged, and upper and lower ends do not connect two pipelines of the side wall setting filled in blowdown,
And it is located on the by-level line that blowdown fills.
Preferably, the acetylene gas pipe is equipped with control valve one.
Preferably, the recycling acetylene in gas phase pipe is equipped with control valve two.
Preferably, the bottom port of the water seal and blowdown filling connects, and between pipeline successively connect it is cooling in first
Device, the second cooler, demister.
Preferably, first cooler, the second cooler, demister and water seal, blowdown fill divides between the pipeline connected
It She You not control valve three, control valve four, control valve five.
Preferably, the both ends of the pipeline between the water seal, blowdown filling are respectively equipped with control valve six, control valve seven.
Preferably, control valve is equipped between the blowdown filling and waste water filling.
To sum up, the invention has the advantages that, the present invention reduces the consumption of unstripped gas, improves environment-friendly quality,
Existing security risk is prevented.
The present invention, by the visor on viewing tank body, control Coolant-Level plays the role of water seal among visor, then
Having closed valve duplicate protection prevents gas leakage.
The present invention, structure is simple, easy to operate, at low cost, is suitable for large range promotion use.
In the present invention, it is not directed to part in the device and is the same as those in the prior art or can be realized by using the prior art,
The present invention reduces the consumption of unstripped gas, improve environment-friendly quality, have prevented existing security risk.
Detailed description of the invention
Fig. 1 is that a kind of whole structure of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device proposed by the present invention is shown
It is intended to.
In figure: 1 sand seal, 2 acetylene gas pipes, 3 water seals, 4 first coolers, 5 second coolers, 6 demisters, 7 connectors, 8
Mixer, 9 blowdowns filling, 10 visors, 11 acetylene in gas phase pipes, 12 control valves one, 13 control valves two, 14 control valves three, 15 control valves
Four, 16 control valves five, 17 control valves six, 18 control valves seven, 19 control valves, 20 waste water fill.
Specific embodiment
The present invention is described in further detail below with reference to specific embodiment.
Embodiment one: shown in referring to Fig.1, a kind of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device, includes sand
Acetylene gas pipe 2 is accessed in envelope 1, one end of the sand seal 1, and the sand seal 1 has connected water seal 3, and it is cooling that the water seal 3 has connected first
Device 4, first cooler 4 have connected the second cooler 5 far from one end of water seal 3, and second cooler 5 is separate to state first
One end of cooler 4 has connected demister 6, and the demister 6 has connected connector 7 far from one end of the second cooler 5, described
Connector 7 has connected mixer 8 far from one end of demister 6, and the pipeline between first cooler 4, the second cooler 5 is logical
It is connected to recycling acetylene in gas phase pipe 11, the end of the recycling acetylene in gas phase pipe 11 has connected blowdown and filled 9, and the blowdown fills 9 difference
Side wall close to bottom and top is equipped with two pipelines, and has connected visor 10, and the blowdown fills 9 and connected waste water filling 20.
The visor 10 is vertically arranged, and upper and lower ends, which do not connect, fills two pipelines of 9 side wall setting, and position in blowdown
In on the by-level line that blowdown fills 9.
The acetylene gas pipe 2 is equipped with control valve 1.
The recycling acetylene in gas phase pipe 11 is equipped with control valve 2 13.
The bottom port of the water seal 3 and blowdown fill 9 and connect, and between pipeline successively connect in the first cooler 4, the
Two coolers 5, demister 6.
First cooler 4, the second cooler 5, demister 6 and water seal 3, blowdown fill between the pipeline that 9 connect respectively
Equipped with control valve 3 14, control valve 4 15, control valve 5 16.
The both ends that the water seal 3, blowdown fill the pipeline between 9 are respectively equipped with control valve 6 17, control valve 7 18.
The blowdown fills and is equipped with control valve 19 between 9 and waste water filling 20.
In the present invention, in use, control valve 3 14, control valve 4 15, control valve 5 16, control valve 6 17, control valve seven
18 are closed, and acetylene gas pipe 2 is sent into sand seal 1, water seal 3, successively pass through the first cooler 4, the second cooler 5, demister 6, connect
Fitting 7 arrives at mixer 8, when blowdown, opens control valve 3 14, control valve 4 15, control valve 5 16, control valve 6 17, control
Valve 7 18, water seal 3, the first cooler 4, the second cooler 5, the sewage in demister 6 flow into blowdown and fill 9, while bringing part into
Acetylene gas, blowdown fill on 9 and have installed visor 10 additional convenient for seeing Coolant-Level, and blowdown fills 9 tops and is connected to acetylene in gas phase pipe
On 11 to the second cooler, 5 intake header, in blowdown, the acetylene gas taken away of cooled water fully enter blowdown and fill 9, acetylene
Gas fills 9 top recovery tubes through blowdown and is again introduced into 11 general pipeline of acetylene in gas phase pipe, when cooling water is discharged manually from 3 bottom of water seal,
The visor 10 in blowdown filling 9 is watched, Coolant-Level is controlled among visor 10, plays the role of water seal, be then shut off valve
Duplicate protection prevents gas leakage, and when solving previous blowdown, the water that can be cooled takes away acetylene gas, reduces the consumption of unstripped gas, improves
Environment-friendly quality, has prevented existing security risk.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should all include
Within protection scope of the present invention.
Claims (8)
1. a kind of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device, includes sand seal (1), which is characterized in that the sand
Acetylene gas pipe (2) are accessed in one end of envelope, and the sand seal has connected water seal (3), and the water seal has connected the first cooler (4), institute
It states the first cooler to have connected the second cooler (5) far from one end of water seal, second cooler is separate to state the first cooler
One end connected demister (6), the demister has connected connector (7), the connection far from one end of the second cooler
Part has connected mixer (8) far from one end of demister, and the pipeline between first cooler, the second cooler has connected back
It receives acetylene in gas phase pipe (11), the end of the recycling acetylene in gas phase pipe has connected blowdown and filled (9), and the blowdown fills the bottom of respectively close to
The side wall at portion and top is equipped with two pipelines, and has connected visor (10), and the blowdown filling has connected waste water and filled (20).
2. mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device according to claim 1, which is characterized in that the view
Mirror is vertically arranged, and upper and lower ends do not connect two pipelines of the side wall setting filled in blowdown, and are located at the intermediate water that blowdown fills
On horizontal line.
3. a kind of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device according to claim 1, which is characterized in that institute
Acetylene gas pipe is stated equipped with control valve one (12).
4. a kind of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device according to claim 1, which is characterized in that institute
It states recycling acetylene in gas phase pipe and is equipped with control valve two (13).
5. a kind of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device according to claim 1, which is characterized in that institute
State water seal bottom port and blowdown filling connects, and between pipeline successively connect in the first cooler, the second cooler, demisting
Device.
6. a kind of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device according to claim 5, which is characterized in that institute
State the first cooler, the second cooler, demister and water seal, blowdown fills and is respectively equipped with control valve three between the pipeline connected
(14), control valve four (15), control valve five (16).
7. a kind of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device according to claim 1, which is characterized in that institute
The both ends for stating the pipeline between water seal, blowdown filling are respectively equipped with control valve six (17), control valve seven (18).
8. a kind of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device according to claim 1, which is characterized in that institute
It states and is equipped with control valve (19) between blowdown filling and waste water filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811185696.4A CN109354568A (en) | 2018-10-11 | 2018-10-11 | A kind of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811185696.4A CN109354568A (en) | 2018-10-11 | 2018-10-11 | A kind of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109354568A true CN109354568A (en) | 2019-02-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811185696.4A Pending CN109354568A (en) | 2018-10-11 | 2018-10-11 | A kind of mixed dehydration acetylene general pipeline blowdown acetylene gas recovering device |
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| CN (1) | CN109354568A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112569737A (en) * | 2020-11-27 | 2021-03-30 | 天能化工有限公司 | System and method for freeze dehydration in vinyl chloride production |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525264A (en) * | 2009-03-24 | 2009-09-09 | 内蒙古君正化工有限责任公司 | Method for recycling sodium hypochlorite purifying liquid used for purifying acetylene gas |
| CN202674839U (en) * | 2012-06-21 | 2013-01-16 | 内蒙古君正化工有限责任公司 | Automatic draining device for acetylene gas header pipe |
| CN206188747U (en) * | 2016-08-18 | 2017-05-24 | 宜宾海丰和锐有限公司 | Dissolved acetylene's recycle device among wet acetylene waste water |
-
2018
- 2018-10-11 CN CN201811185696.4A patent/CN109354568A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525264A (en) * | 2009-03-24 | 2009-09-09 | 内蒙古君正化工有限责任公司 | Method for recycling sodium hypochlorite purifying liquid used for purifying acetylene gas |
| CN202674839U (en) * | 2012-06-21 | 2013-01-16 | 内蒙古君正化工有限责任公司 | Automatic draining device for acetylene gas header pipe |
| CN206188747U (en) * | 2016-08-18 | 2017-05-24 | 宜宾海丰和锐有限公司 | Dissolved acetylene's recycle device among wet acetylene waste water |
Non-Patent Citations (4)
| Title |
|---|
| 《中国工业年鉴》编辑委员会: "《中国工业年鉴》", 31 October 1991, 中国劳动出版社 * |
| 李朝阳: "电石法PVC生产系统中混合气脱水新技术", 《聚氯乙烯》 * |
| 李毛 等: "《化工企业事故案例评析》", 30 September 2011, 中国矿业大学出版社 * |
| 马良等: "《石油化工生产防火防爆》", 31 May 2005 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112569737A (en) * | 2020-11-27 | 2021-03-30 | 天能化工有限公司 | System and method for freeze dehydration in vinyl chloride production |
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Application publication date: 20190219 |