CN203477412U - Coking-preventive back-pressure valve - Google Patents
Coking-preventive back-pressure valve Download PDFInfo
- Publication number
- CN203477412U CN203477412U CN201320537836.6U CN201320537836U CN203477412U CN 203477412 U CN203477412 U CN 203477412U CN 201320537836 U CN201320537836 U CN 201320537836U CN 203477412 U CN203477412 U CN 203477412U
- Authority
- CN
- China
- Prior art keywords
- valve
- coking
- pressure valve
- valve rod
- spheroid
- 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
Links
- 238000004939 coking Methods 0.000 claims abstract description 29
- 238000007664 blowing Methods 0.000 claims abstract description 14
- 238000005260 corrosion Methods 0.000 claims abstract description 5
- 230000007797 corrosion Effects 0.000 claims abstract description 5
- 238000012856 packing Methods 0.000 claims abstract description 3
- 239000000945 filler Substances 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 230000008021 deposition Effects 0.000 abstract description 5
- 238000009991 scouring Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 16
- 239000000571 coke Substances 0.000 description 14
- 239000003921 oil Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 208000012661 Dyskinesia Diseases 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000005235 decoking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000002010 green coke Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
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- Lift Valve (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320537836.6U CN203477412U (en) | 2013-09-02 | 2013-09-02 | Coking-preventive back-pressure valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320537836.6U CN203477412U (en) | 2013-09-02 | 2013-09-02 | Coking-preventive back-pressure valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203477412U true CN203477412U (en) | 2014-03-12 |
Family
ID=50225743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320537836.6U Expired - Fee Related CN203477412U (en) | 2013-09-02 | 2013-09-02 | Coking-preventive back-pressure valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203477412U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108916414A (en) * | 2018-09-11 | 2018-11-30 | 山东沃克控制阀有限公司 | A kind of ball valve that can clean spherome surface |
-
2013
- 2013-09-02 CN CN201320537836.6U patent/CN203477412U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108916414A (en) * | 2018-09-11 | 2018-11-30 | 山东沃克控制阀有限公司 | A kind of ball valve that can clean spherome surface |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
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: 201416 Shanghai city Fengxian District Zhelin Town Village Road No. 199 Patentee after: SHK VALVE GROUP Co.,Ltd. Address before: 201416 Shanghai city Fengxian District Zhelin Town Village Road No. 199 Patentee before: SHK Valve Group Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170424 Address after: 201416 Shanghai city Fengxian District Zhelin Town Village Road No. 138 building 4 Patentee after: SHK VALVE GROUP CO.,LTD. Address before: 201416 Shanghai city Fengxian District Zhelin Town Village Road No. 199 Patentee before: SHK VALVE GROUP Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20181011 Address after: 201416 199 North Village Road, Zhelin Town, Fengxian District, Shanghai Patentee after: SHK VALVE GROUP Co.,Ltd. Address before: 201416 4 4 North Village Road, Zhelin Town, Fengxian District, Shanghai Patentee before: SHK VALVE GROUP CO.,LTD. |
|
PP01 | Preservation of patent right |
Effective date of registration: 20190821 Granted publication date: 20140312 |
|
PP01 | Preservation of patent right | ||
PD01 | Discharge of preservation of patent | ||
PD01 | Discharge of preservation of patent |
Date of cancellation: 20220821 Granted publication date: 20140312 |
|
PP01 | Preservation of patent right | ||
PP01 | Preservation of patent right |
Effective date of registration: 20220821 Granted publication date: 20140312 |
|
PD01 | Discharge of preservation of patent | ||
PD01 | Discharge of preservation of patent |
Date of cancellation: 20230902 Granted publication date: 20140312 |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 |