CN116036901B - CO (carbon monoxide)2Emptying device - Google Patents
CO (carbon monoxide)2Emptying device Download PDFInfo
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- CN116036901B CN116036901B CN202211655237.4A CN202211655237A CN116036901B CN 116036901 B CN116036901 B CN 116036901B CN 202211655237 A CN202211655237 A CN 202211655237A CN 116036901 B CN116036901 B CN 116036901B
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- Prior art keywords
- mixer
- gas
- blow
- emptying
- transportation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2312—Diffusers
- B01F23/23126—Diffusers characterised by the shape of the diffuser element
- B01F23/231265—Diffusers characterised by the shape of the diffuser element being tubes, tubular elements, cylindrical elements or set of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/2366—Parts; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
- B01F35/43—Supporting receptacles on frames or stands
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/005—Pipe-line systems for a two-phase gas-liquid flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/70—Combining sequestration of CO2 and exploitation of hydrocarbons by injecting CO2 or carbonated water in oil wells
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The application discloses a CO 2 emptying device, which comprises an air storage tank and an emptying pipe, wherein the air storage tank is arranged at the upstream of a CO 2 transportation main pipeline and is communicated with the CO 2 transportation main pipeline, the emptying pipe is arranged at the downstream of a CO 2 transportation main pipeline and is communicated with the CO 2 transportation main pipeline, the air storage tank and the emptying pipe are communicated through a heating pipeline, the emptying pipe comprises an emptying port, an emptying tank, an air inlet and an emptying port, the emptying port is arranged at the top of the emptying tank, the air inlet is arranged at the bottom of the emptying tank and is communicated with the heating pipeline, a mixer is further arranged in the emptying tank, and the mixer can mix CO 2 gas heated by the heating pipeline with liquid CO 2 entering the emptying port; according to the application, the CO 2 emptying device is arranged separately from the CO 2 main transportation pipeline, so that the safety accidents of damage to the CO 2 main transportation pipeline and transportation blockage caused by great cooling due to direct pressure drop of the CO 2 main transportation pipeline are prevented.
Description
Technical Field
The application relates to the technical field of CO 2 oil extraction, in particular to a CO 2 emptying device.
Background
In the technical field of CO 2 oil extraction, since the depth of a shaft is varied from nearly hundred meters to kilometers, in order to send CO 2 into a crude oil layer, a large-scale long-distance CO 2 conveying pipeline is adopted, because the pipeline is longer and liquid carbon dioxide needs to be conveyed under pressure, pressure fluctuation is inevitably generated in the pipeline, and a corresponding air defense device is further needed, but pressure drop and temperature drop can be generated when the CO 2 pipeline is emptied, so that safety problems are caused, the pipeline is possibly damaged due to low temperature in the pipeline caused by rapid depressurization when the CO 2 pipeline is emptied, pipeline safety is jeopardized even by forming dry ice, and the higher the required initial pressure or the lower the initial temperature is, the longer the emptying time is, the lower the minimum temperature value in a part of the pipeline is, and the risk of generating dry ice is larger, so that corresponding areas are blocked, and potential safety hazards are caused or the pipeline is broken due to low temperature.
In the prior art, measures such as heating and heat preservation are generally adopted for the pipeline when the CO 2 transportation pipeline is emptied, so that the fluid in the pipeline is kept in a gaseous state to be discharged, thereby effectively preventing the generation of dry ice and the low-temperature damage of the pipeline, but the direct heating efficiency is low, and the direct emptying on the CO 2 transportation pipeline can cause the great cooling generated by pressure drop to directly act on the CO 2 transportation pipeline to influence the safety performance of the pipeline; simultaneously, CO 2 gas and liquid CO 2 are fully mixed through the mixer, so that the liquid CO 2 to be emptied is fully heated, the heating efficiency is improved, and meanwhile, the whole recycling is facilitated.
Disclosure of Invention
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
A CO 2 venting device, characterized in that: including gas holder and blow-down pipe, the gas holder setting at the upper reaches of CO 2 transportation trunk line and with CO 2 transportation trunk line intercommunication, the blow-down pipe set up at the low reaches of CO 2 transportation trunk line and with CO 2 transportation trunk line intercommunication, gas holder and blow-down pipe pass through the heating pipeline intercommunication setting, the blow-down pipe includes blow-down mouth, blow-down tank and air inlet, blow-down mouth, the blow-down mouth sets up the top of blow-down tank, the air inlet sets up the bottom of blow-down tank and with the heating pipeline intercommunication, still be provided with the blender in the blow-down tank, the blender can be with the CO 2 gas after the heating of heating pipeline and the liquid CO 2 that gets into in the blow-down mouth.
Further, the mixer comprises a base, a mixer body, a gas dispersing structure and a liquid separating cap, wherein the base is fixedly arranged at the bottom of the mixer body, the mixer body comprises an air inlet passage and a dispersing pipe which are communicated with each other, and the other end of the dispersing pipe is communicated with the gas dispersing structure.
Further, the heating pipeline is communicated with the air inlet passage of the mixer, and a pressure regulator is further arranged at one end of the heating pipeline, which is communicated with the air inlet passage, and can pressurize CO 2 gas in the heating pipeline and guide the gas into the air inlet passage.
Further, the gas dispersing structure comprises four distributing cavities and gas spraying pipes, wherein the distributing pipes are respectively communicated with the four distributing cavities, and the gas spraying pipes are uniformly arranged on the outer side walls of the distributing cavities.
Further, the liquid distributing cap is arranged above the distributing cavity of the gas distributing structure, the liquid distributing cap is of a conical shell structure, and the periphery of the conical shell structure is provided with the gas spraying pipe.
Further, a fixing frame is arranged on the base, and the mixer 5 is vertically fixed in the emptying tank through the fixing frame.
Further, the mixer main body is connected with the base through a bearing.
Further, the mixer comprises a support, a mixer main body, a gas dispersing structure and a liquid separating cap, wherein a plurality of elastic support pieces are arranged on the mixer main body, and each elastic support piece is correspondingly provided with a support.
Further, one end of the bracket is fixedly arranged on the mixer main body, the other end of the bracket is provided with a permanent magnet, and the permanent magnet can fix the mixer in the emptying tank through magnetic attraction; the elastic support piece is arranged close to the support and the fixed end of the mixer main body, and can elastically support the support to lean against the emptying tank.
Further, the support is made of spring steel.
Advantageous effects
(1) According to the application, the CO 2 emptying device is arranged separately from the CO 2 main transportation pipeline, so that the safety accidents of damage to the CO 2 main transportation pipeline and transportation blockage caused by great cooling due to direct pressure drop of the CO 2 main transportation pipeline are prevented; meanwhile, CO 2 gas and liquid CO 2 are fully mixed by the mixer, so that the liquid CO 2 to be emptied is fully heated, the heating efficiency is improved, and the whole recycling is facilitated;
(2) The application also sets the concrete structure of the mixer, improves the mixing efficiency through the design of the gas dispersion structure and the liquid separation cap, and prevents the loosening and the damage of the traditional mechanical connection in a cold and hot environment through the design of the fixed structure of the mixer;
(3) The setting through exhaust duct carries out preliminary mixing with CO 2 in the transportation trunk line to the liquid CO 2 of transportation in the transportation trunk line, can guarantee that the reposition of redundant personnel that the transportation trunk line led to partial pressure drop can not lead to the fact the influence to whole transportation, can carry out preliminary preheating to liquid CO 2 simultaneously as required, further improves heating efficiency, avoids disposable intensification to lead to explosion danger, and the little pressure drop that causes when also can guarantee the reposition of redundant personnel of transportation trunk line simultaneously can not lead to the fact the influence to whole liquid CO 2 transportation.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a front view of the overall structure of the CO 2 venting device of the present invention;
FIG. 2 is a rear view of the overall structure of the CO 2 venting device of the present invention;
FIG. 3 is a partial enlarged view of a CO 2 venting device of the present invention;
FIG. 4 is a schematic diagram of a first mixer according to an embodiment of the invention;
FIG. 5 is a second schematic diagram of a mixer according to a first embodiment of the invention;
FIG. 6 is a third schematic view of a mixer according to the first embodiment of the present invention (with the top portion removed for convenience of illustration);
FIG. 7 is a schematic diagram of a mixer according to a second embodiment of the present invention;
FIG. 8 is a schematic diagram of a mixer according to a second embodiment of the invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Embodiment one:
Referring to fig. 1-6, a CO 2 emptying device includes an air storage tank 1 and an emptying pipe 2, the air storage tank 1 is disposed upstream of a main CO 2 transportation pipeline 4 and is communicated with the main CO 2 transportation pipeline 4, the emptying pipe 2 is disposed downstream of the main CO 2 transportation pipeline 4 and is communicated with the main CO 2 transportation pipeline 4, the air storage tank 1 and the emptying pipe 2 are disposed through a heating pipeline 3, the emptying pipe 2 includes an emptying port 201, an emptying tank 202, an air inlet 203 and an emptying port 204, the emptying port 201 is disposed at the top of the emptying tank 202, the air inlet 203 is disposed at the bottom of the emptying tank 202 and is communicated with the heating pipeline 3, a mixer 5 is further disposed in the emptying tank 202, and the mixer 5 can mix CO 2 gas heated by the heating pipeline 3 with liquid CO 2 entering the emptying port 201.
In the prior art, measures such as heating and heat preservation are generally adopted for pipelines when the CO 2 transportation pipelines are emptied, so that the fluid in the pipelines is kept in a gaseous state to be discharged, thereby effectively preventing dry ice from being generated and the pipelines from being damaged at low temperature, but the direct heating efficiency is low, and the direct emptying on the CO 2 transportation pipelines can cause great cooling caused by pressure drop to directly act on the CO 2 transportation pipelines to influence the safety performance of the pipelines; meanwhile, the heated CO 2 gas is fully mixed with the liquid CO 2 sprayed from the upper part through the mixer 5, the liquid CO 2 to be emptied is fully mixed and preheated, the safety risk caused by overlarge temperature drop is prevented, the production safety is improved, meanwhile, the CO 2 gas is used for fully mixing and heating the liquid CO 2, compared with direct heating, the efficiency is higher, the pollution on the purity of the finally recovered CO 2 gas is avoided, and the recycling is facilitated.
Further, the mixer 5 includes a base 501, a mixer body 502, a gas dispersion structure 503, and a liquid separation cap 504, the base 501 is fixedly disposed at the bottom of the mixer body 502, the mixer body 502 includes an air inlet passage 5021 and a dispersion tube 5022 that are mutually communicated, and the other end of the dispersion tube 5022 is communicated with the gas dispersion structure 503.
Further, the heating pipe 3 is in communication with the intake passage 5021 of the mixer 5, and a pressure regulator is further provided at an end of the heating pipe 3 in communication with the intake passage 5021, and the pressure regulator can pressurize and introduce the CO 2 gas in the heating pipe 3 into the intake passage 5021.
Preferably, the gas dispersing structure 503 includes four distributing chambers 5031 and gas nozzles 5032, the distributing chambers 5022 are respectively communicated with the four distributing chambers 5031, and the gas nozzles 5032 are several and uniformly arranged on the outer side wall of the distributing chambers 5031; through the setting of a plurality of capillary jet pipes 5032, break up the high temperature CO 2 gas after the pressurization and with spray the CO 2 liquid intensive mixing who falls, form the critical state of gas-liquid two-phase mixing to through the CO 2 liquid heating of the dispersed state, avoid the great cooling damage emptying equipment that the pressure drop leads to.
Further, the liquid separation cap 504 is disposed above the distribution chamber 5031 of the gas dispersion structure 503, the liquid separation cap 504 is a conical shell structure, the gas spraying tube 5032 is disposed at the periphery of the conical shell structure, and the liquid separation cap 504 is configured to primarily break up the sprayed and dropped CO 2 liquid to facilitate the mixture with the high-temperature CO 2 gas.
Further, a fixing bracket 5011 is provided on the base 501, and the mixer 5 is vertically fixed in the emptying tank 202 through the fixing bracket 5011; preferably, the mixer body 502 is connected with the base 501 through a bearing, and the mixer body 502 can rotate relative to the blow tank 202, so as to further enhance the gas-liquid mixing efficiency.
Preferably, the air storage tank 1 stores normal-temperature CO 2 gas, the main CO 2 transportation pipeline 4 is communicated with the air storage tank 1 through a first shunt pipe 401, and the main CO 2 transportation pipeline 4 is communicated with the vent 201 of the vent pipe 2 through a second shunt pipe 402.
Further, the heating pipeline 3 is communicated with the main CO 2 transportation pipeline 4 through an exhaust pipeline 301, and an interface between the exhaust pipeline 301 and the main CO 2 transportation pipeline 4 is arranged between the first shunt pipe 401 and the second shunt pipe 402; can carry out preliminary mixing with CO 2 in the setting through exhaust duct 301 in the transportation trunk line 4 to the liquid CO 2 of transportation in the transportation trunk line 4, can guarantee that the reposition of redundant personnel that transportation trunk line 4 leads to partial pressure drop can not lead to the fact the influence to whole transportation, can carry out preliminary preheating to liquid CO 2 simultaneously as required, further improve heating efficiency, avoid disposable intensification to lead to explosion hazard, the little pressure drop that causes when also can guaranteeing the reposition of redundant personnel of transportation trunk line 4 simultaneously can not lead to the fact the influence to whole liquid CO 2 transportation.
Preferably, the CO 2 emptying device further comprises a recovery pipe 7, and the recovery pipe 7 is respectively communicated with the air storage tank 1 and the emptying pipe 2.
Embodiment two:
As shown in fig. 7-8, this embodiment differs slightly from the first embodiment in the design of the mixer. The temperature in the blow-down pipe 2 is severely changed, so that the conventional mechanical fixing is difficult to adapt to the loosening and damage caused by the expansion and contraction phenomenon of the blow-down tank 202, and thus the fixing structure of the mixer 5 is improved in this embodiment.
The mixer 5 comprises a support 601, a mixer main body 602, a gas dispersing structure 603 and a liquid separating cap 604, wherein a plurality of elastic support pieces 605 are arranged on the mixer main body 602, each elastic support piece 605 is correspondingly provided with a support 601, one end of each support 601 is fixedly arranged on the mixer main body 602, the other end of each support 601 is provided with a permanent magnet 606, and the permanent magnets 606 can fix the mixer 5 in the emptying tank 202 through magnetic attraction; the elastic support piece 605 is arranged near the fixed ends of the support 601 and the mixer main body 602, and can elastically support the support 601 against the emptying tank 202, and the support 601 is made of spring steel.
According to the application, the CO 2 emptying device is arranged separately from the CO 2 main transportation pipeline, so that the safety accidents of damage to the CO 2 main transportation pipeline and transportation blockage caused by great cooling due to direct pressure drop of the CO 2 main transportation pipeline are prevented; meanwhile, CO 2 gas and liquid CO 2 are fully mixed by the mixer, so that the liquid CO 2 to be emptied is fully heated, the heating efficiency is improved, and the whole recycling is facilitated; furthermore, the application also provides a specific structure of the mixer 5, improves the mixing efficiency through the design of the gas dispersion structure 503 and the liquid separation cap 504, and prevents the loosening and damage of the traditional mechanical connection under the cold and hot environment through the design of the fixing structure of the mixer.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A CO 2 venting device, characterized in that: including gas holder and blow-down pipe, the gas holder setting at the upper reaches of CO 2 transportation trunk line and with CO 2 transportation trunk line intercommunication, the blow-down pipe set up at the low reaches of CO 2 transportation trunk line and with CO 2 transportation trunk line intercommunication, gas holder and blow-down pipe pass through the heating pipeline intercommunication setting, the blow-down pipe includes blow-down mouth, blow-down tank and air inlet, blow-down mouth, the blow-down mouth sets up the top of blow-down tank, the air inlet sets up the bottom of blow-down tank and with the heating pipeline intercommunication, still be provided with the blender in the blow-down tank, the blender can be with the CO 2 gas after the heating of heating pipeline and the liquid CO 2 that gets into in the blow-down mouth.
2. The CO 2 venting device of claim 1, wherein: the mixer comprises a base, a mixer main body, a gas dispersing structure and a liquid separating cap, wherein the base is fixedly arranged at the bottom of the mixer main body, the mixer main body comprises an air inlet passage and a dispersing pipe which are mutually communicated, and the other end of the dispersing pipe is communicated with the gas dispersing structure.
3. The CO 2 venting device of claim 2, wherein: the heating pipeline is communicated with the air inlet passage of the mixer, and a pressure regulator is further arranged at one end of the heating pipeline, which is communicated with the air inlet passage, and can pressurize CO 2 gas in the heating pipeline and guide the gas into the air inlet passage.
4. A CO 2 venting device according to claim 3, wherein: the gas dispersing structure comprises four distributing cavities and gas spraying pipes, wherein the four distributing cavities are respectively communicated with the four distributing cavities, and the plurality of gas spraying pipes are uniformly arranged on the outer side walls of the distributing cavities.
5. The CO 2 venting device of claim 4, wherein: the liquid distributing cap is arranged above the distributing cavity of the gas dispersing structure, the liquid distributing cap is of a conical shell structure, and the periphery of the conical shell structure is provided with the gas spraying pipe.
6. The CO 2 venting device of claim 2, wherein: the base is provided with a fixing frame, and the mixer is vertically fixed in the emptying tank through the fixing frame.
7. The CO 2 venting device of claim 6, wherein: the mixer main body is connected with the base through a bearing.
8. The CO 2 venting device of claim 1, wherein: the mixer comprises a support, a mixer main body, a gas dispersing structure and a liquid separating cap, wherein a plurality of elastic support pieces are arranged on the mixer main body, and each elastic support piece is correspondingly provided with a support.
9. The CO 2 venting device of claim 8, wherein: one end of the bracket is fixedly arranged on the mixer main body, the other end of the bracket is provided with a permanent magnet, and the permanent magnet can fix the mixer in the emptying tank through magnetic attraction; the elastic support piece is arranged close to the support and the fixed end of the mixer main body, and can elastically support the support to lean against the emptying tank.
10. The CO 2 venting device of claim 9, wherein: the support is made of spring steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211655237.4A CN116036901B (en) | 2022-12-22 | 2022-12-22 | CO (carbon monoxide)2Emptying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211655237.4A CN116036901B (en) | 2022-12-22 | 2022-12-22 | CO (carbon monoxide)2Emptying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116036901A CN116036901A (en) | 2023-05-02 |
| CN116036901B true CN116036901B (en) | 2024-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211655237.4A Active CN116036901B (en) | 2022-12-22 | 2022-12-22 | CO (carbon monoxide)2Emptying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116036901B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4178155A (en) * | 1978-01-09 | 1979-12-11 | Smith Bernie B Jr | Pipeline blow down technique |
| CN204852946U (en) * | 2015-07-05 | 2015-12-09 | 青岛科技大学 | Carbon dioxide feed line unloading device |
| CN105699023A (en) * | 2016-01-19 | 2016-06-22 | 中石化石油工程设计有限公司 | Measuring device and method suitable for carbon dioxide pipeline exhaust and leakage test |
| GB201701325D0 (en) * | 2017-01-26 | 2017-03-15 | Statoil Petroleum As | Offshore CO2 transport system |
| CN207080806U (en) * | 2017-07-20 | 2018-03-09 | 西安石油大学 | Supercritical CO2 pipeline transportation venting device |
| CN208268783U (en) * | 2018-04-09 | 2018-12-21 | 中石化石油工程技术服务有限公司 | Close phase carbon dioxide conveyance conduit emptying device |
| CN112145974A (en) * | 2020-09-16 | 2020-12-29 | 中石化石油工程设计有限公司 | A kind of supercritical CO2 multistage throttling device and method |
| CN212273703U (en) * | 2020-07-31 | 2021-01-01 | 中国石油工程建设有限公司 | Dense-phase carbon dioxide pipeline safety discharge system |
-
2022
- 2022-12-22 CN CN202211655237.4A patent/CN116036901B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4178155A (en) * | 1978-01-09 | 1979-12-11 | Smith Bernie B Jr | Pipeline blow down technique |
| CN204852946U (en) * | 2015-07-05 | 2015-12-09 | 青岛科技大学 | Carbon dioxide feed line unloading device |
| CN105699023A (en) * | 2016-01-19 | 2016-06-22 | 中石化石油工程设计有限公司 | Measuring device and method suitable for carbon dioxide pipeline exhaust and leakage test |
| GB201701325D0 (en) * | 2017-01-26 | 2017-03-15 | Statoil Petroleum As | Offshore CO2 transport system |
| CN207080806U (en) * | 2017-07-20 | 2018-03-09 | 西安石油大学 | Supercritical CO2 pipeline transportation venting device |
| CN208268783U (en) * | 2018-04-09 | 2018-12-21 | 中石化石油工程技术服务有限公司 | Close phase carbon dioxide conveyance conduit emptying device |
| CN212273703U (en) * | 2020-07-31 | 2021-01-01 | 中国石油工程建设有限公司 | Dense-phase carbon dioxide pipeline safety discharge system |
| CN112145974A (en) * | 2020-09-16 | 2020-12-29 | 中石化石油工程设计有限公司 | A kind of supercritical CO2 multistage throttling device and method |
Non-Patent Citations (1)
| Title |
|---|
| 大规模管道长输CO2技术发展现状;杜磊等;油气储运;20100225;第29卷(第2期);第86-92页 * |
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| CN116036901A (en) | 2023-05-02 |
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