CN102506298A - Cold-circulating system and method for liquefied natural gas loading system - Google Patents
Cold-circulating system and method for liquefied natural gas loading system Download PDFInfo
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- CN102506298A CN102506298A CN2011103012384A CN201110301238A CN102506298A CN 102506298 A CN102506298 A CN 102506298A CN 2011103012384 A CN2011103012384 A CN 2011103012384A CN 201110301238 A CN201110301238 A CN 201110301238A CN 102506298 A CN102506298 A CN 102506298A
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Abstract
The invention discloses a cold-circulating system and a method for a liquefied natural gas loading system. The loading system comprises a liquefied natural gas storage tank, a loading main pipe, an evaporated gas return main pipe and a loading branch pipe which are connected in sequence; the cold-circulating system comprises a cold-circulating main pipe, a cold-circulating branch pipe, a flow measuring instrument, a flow control valve and an orifice plate, wherein the cold-circulating main pipe is arranged at the tail end of the loading main pipe; the cold-circulating branch pipe is arranged at the tail end of the loading branch pipe; the flow measuring instrument is arranged on the loading main pipe or the loading branch pipe and is used for measuring the flow of liquefied natural gas in the loading main pipe or the loading branch pipe; the flow control valve is arranged on the cold-circulating main pipe and is used for controlling cold-state liquefied natural gas to enter the cold-circulating main pipe from the tail end of the loading main pipe and flow to the liquefied natural gas storage tank so as to cool the loading main pipe when the flow is lower than the preset value; and the orifice plate is arranged on the cold-circulating main pipe or the cold-circulating branch pipe and is used for limiting the flow of the cold-state liquefied natural gas in the cold-circulating main pipe or the cold-circulating branch pipe to be lower than the preset flow value.
Description
Technical field
The present invention relates to the LNG Liquefied natural gas field, in particular to a kind of cold circulatory system and method that is used for the LNG Liquefied natural gas loading system.
Background technique
LNG Liquefied natural gas (LNG, Liquefied Natural Gas) is a kind of high-grade energy, has calorific value height, the little characteristics of combustion pollution.LNG shipping and tank car transportation dual mode are adopted in the long-distance transportation of LNG Liquefied natural gas, when adopting the transportation of LNG tank car, need LNG be delivered in the tank car through pipeline from the LNG storage tank at design tank car loading system.Generally speaking, LNG entrucking branch line is provided with many, so that realize the entrucking simultaneously of many LNG tank cars; The operation of LNG entrucking is simultaneously generally carried out by day, and LNG storage tank and tank car entrucking offset can not fully stop at the heat insulation layer that adds pipeline that from far away the leakage of environment is hot; Can produce BOG because of environment leaks heat in the entrucking pipeline; And BOG can cause that pipeline and system overpressure, entrucking pipeline recover ambient temperature and a large amount of LNG evaporation, and system overpressure can bring potential safety hazard, entrucking pipeline to recover ambient temperature, waits until when next entrucking is operated; Need precooling; The one, spended time is longer, and the pipe stress problem brought of temperature alternate is unfavorable for the safe operation of LNG loading system in addition; And a large amount of LNG evaporations will cause the waste of energy, and therefore the reduction that brings the loading system economic benefit must be provided with the cold circulatory system, keeps entrucking pipeline and system and is in cold conditions.
Existing technology adopts every entrucking branch line that the cold pipeloop of independently entrucking is set; Guaranteed the cold conditions of entrucking branch line; But have but that cold circulating load is big, energy consumption is high, can not keep the defective of whole piece entrucking house steward cold conditions; Especially when the entrucking branch line many, be in the state of not entrucking for a long time and temporarily do not carry out cold circulation time and be positioned at the terminal entrucking branch line of entrucking house steward, can not guarantee that loading system is in cold conditions.
Summary of the invention
The present invention provides a kind of cold circulatory system and method that is used for the LNG Liquefied natural gas loading system, is in cold conditions and cuts down the consumption of energy in order to guarantee loading system.
For achieving the above object, the invention provides a kind of cold circulatory system that is used for the LNG Liquefied natural gas loading system, loading system comprises that successively the LNG tank, entrucking house steward, the boil-off gas that link to each other return house steward and entrucking branch line, the cold circulatory system comprises:
Cold circulation house steward is arranged on entrucking house steward's end;
Cold loop branch pipe is arranged on the end of entrucking branch line;
Flow measurement instrument is arranged on entrucking house steward or the entrucking branch line, is used for measuring the flow of entrucking house steward or entrucking branch line LNG Liquefied natural gas;
Flow control valve is arranged on the cold circulation house steward, is used for when flow during less than preset value, and control cold conditions LNG Liquefied natural gas gets into cold circulation house steward from entrucking house steward's end, and flows to LNG tank, and house steward cools off to entrucking; And
Orifice plate is arranged on cold circulation house steward or the cold loop branch pipe, and the flow that is used for limiting cold circulation house steward or cold loop branch pipe cold conditions LNG Liquefied natural gas is less than the preset flow rate value.
Preferable, the above-mentioned cold circulatory system also comprises: first alarm unit, be connected with flow measurement instrument, and be used for sending alarm signal during less than preset value when flow.
Preferable, the above-mentioned cold circulatory system also comprises: temperature instrument is arranged on the end of entrucking house steward or entrucking branch line; The flow control valve temperature instrument terminal with being arranged on the entrucking house steward is connected; When the entrucking house steward's who detects when temperature instrument temperature is higher than predefined temperature value; Control cold conditions LNG Liquefied natural gas gets into cold circulation house steward from entrucking house steward's end; And flowing to LNG tank, house steward cools off to entrucking.
Preferable, the above-mentioned cold circulatory system also comprises: second alarm unit, be connected with temperature instrument, and when the entrucking house steward who detects when temperature instrument or the temperature of entrucking branch line are higher than predefined temperature value, send alarm signal.
For achieving the above object; The present invention also provides a kind of cold circulatory system that is used for the LNG Liquefied natural gas loading system; Flow measurement instrument is arranged on cold circulation house steward or the cold loop branch pipe; To replace the setting of flow measurement instrument on entrucking house steward or entrucking branch line in the above-mentioned cold circulatory system, be used for measuring the flow of cold circulation house steward or cold loop branch pipe LNG Liquefied natural gas.
For achieving the above object; The present invention also provides a kind of cold circulation method that is used for the LNG Liquefied natural gas loading system; Loading system comprises that successively the LNG tank, entrucking house steward, the boil-off gas that link to each other return house steward and entrucking branch line, and this cold circulation method may further comprise the steps:
Through being arranged on the flow of LNG Liquefied natural gas among the flow measurement instrument measurement entrucking house steward on entrucking house steward or the cold circulation house steward;
Flow and preset value are compared, and less than preset value, control cold conditions LNG Liquefied natural gas gets into cold circulation house steward from entrucking house steward's end, and flows to LNG tank as if flow, and house steward cools off to entrucking;
Wherein, cold circulation house steward is provided with orifice plate, and the flow that is used for limiting cold circulation house steward cold conditions LNG Liquefied natural gas is less than the preset flow rate value.
Preferable, above-mentioned cold circulation method is further comprising the steps of: when flow sends alarm signal during less than preset value.
Preferable, above-mentioned cold circulation method also comprises step: the temperature instrument of the end through being arranged on the entrucking house steward detects entrucking house steward's temperature; Temperature and predefined temperature value are compared; When the entrucking house steward's who detects when temperature instrument temperature is higher than predefined temperature value; Control cold conditions LNG Liquefied natural gas gets into cold circulation house steward from entrucking house steward's end; And flowing to LNG tank, house steward cools off to entrucking.
Preferable, above-mentioned cold circulation method is further comprising the steps of: when the entrucking house steward who detects when temperature instrument or the temperature of entrucking branch line are higher than predefined temperature value, send alarm signal.
In the above-described embodiments; On entrucking house steward or entrucking branch line end or cold circulation house steward or cold loop branch pipe, flow measurement instrument is set; Flow in recording entrucking house steward or entrucking branch line or cold circulation house steward or cold loop branch pipe is during less than predefined numerical value, and the open cold circulation valve is realized entrucking house steward or the cold circulation of entrucking branch line; Simultaneously through on cold circulation house steward or cold loop branch pipe, orifice plate being set; Avoid cold circulating load excessive, cause the increase of loading system overall energy consumption, guaranteed effectively that again entrucking house steward or entrucking branch line are in cold conditions simultaneously.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the cold circulatory system schematic representation that is used for the LNG Liquefied natural gas loading system of one embodiment of the invention;
Fig. 2 is the cold circulatory system schematic representation that is used for the LNG Liquefied natural gas loading system of another embodiment of the present invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technological scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills are not paying the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fig. 1 is the cold circulatory system schematic representation that is used for the LNG Liquefied natural gas loading system of one embodiment of the invention; In Fig. 1, MV-1 is a safety check; MV-2 is a manual ball valve; FCV is a flow control valve; XV is automatic switch valve (pneumatic or electronic); PSV is a safety valve.PI is the pressure indication; TI is the temperature indication; FIC is flow indication and control; TIC is temperature indication and control; HIC is manually control.RO is an orifice plate.Arrow A 1 expression LNG flows to the LNG storage tank; Arrow A 2 expression LNG are from the LNG storage tank.
As shown in Figure 1, loading system comprises LNG tank (not shown), entrucking house steward 13 and many entrucking branch line A-X that link to each other successively, and the cold circulatory system comprises:
Cold circulation house steward 12 is arranged on entrucking house steward 13 end;
Flow measurement instrument FIC is arranged on the entrucking house steward 13, is used for measuring the flow of entrucking house steward LNG Liquefied natural gas;
Flow control valve FCV; Be arranged on the cold circulation house steward 12, when being used for flow as entrucking house steward 13 less than preset value, control cold conditions LNG Liquefied natural gas gets into cold circulation house steward 12 from entrucking house steward 13 end; And then flow to LNG tank, so that entrucking house steward 13 is cooled off; And
Orifice plate RO; Be arranged on the cold circulation house steward 12, the flow that is used for limiting cold circulation house steward 12 cold conditions LNG Liquefied natural gas avoids cold circulating load excessive less than the preset flow rate value; Cause the increase of loading system overall energy consumption, guaranteed effectively that again the entrucking house steward is in cold conditions simultaneously.
The BOG that produces in the entrucking process (Boil Off Gas) gas returns house steward 11 by boil-off gas and returns the LNG storage tank.
For the entrucking branch line is cooled off, as shown in Figure 1, the cold circulatory system also comprises:
Cold loop branch pipe 16 is arranged on the end of entrucking branch line A-X (label of entrucking branch line is merely convenient explanation in the present embodiment, and the entrucking branch line can be one or more), flows to cold circulation house steward 12;
Flow measurement instrument FIC is arranged on the entrucking branch line A-X, is used for measuring the flow of entrucking branch line LNG Liquefied natural gas;
Orifice plate RO; Be arranged on the cold loop branch pipe 16, the flow that is used for limiting cold loop branch pipe 16 cold conditions LNG Liquefied natural gas avoids cold circulating load excessive less than the preset flow rate value; Cause the increase of loading system overall energy consumption, guaranteed effectively that again the entrucking branch line is in cold conditions simultaneously.
Wherein, be arranged on the flow control valve FCV on the entrucking branch line A-X, be used for metering LNG Liquefied natural gas and flow control when entrucking.Cold circular flow on the entrucking branch line is by the orifice plate control that is arranged on the cold loop branch pipe.
The BOG gas that produces in the entrucking process gets into gas phase house steward 11 by the gas phase return line, and and then returns the LNG storage tank.Among the figure, 14 for the gas phase return arm of entrucking branch line; 15 for the LNG entrucking arm of entrucking branch line.
In the above-described embodiments, entrucking house steward or entrucking branch line end flow measurement instrument is set, the flow in recording entrucking house steward or entrucking branch line is during less than predefined numerical value; The open cold circulation valve; Realize entrucking house steward or the cold circulation of entrucking branch line,, avoid cold circulating load excessive simultaneously through on cold pipeloop, orifice plate being set; Cause the increase of loading system overall energy consumption, guaranteed effectively that again entrucking house steward or entrucking branch line are in cold conditions simultaneously.
When some entrucking branch line is in not entrucking of short-term operation, open the valve on the cold pipeloop on these entrucking branch lines, keep these entrucking branch lines and be in cold conditions; When some longer a period of time of entrucking branch line is in not entrucking operation; Close the cold circulatory system on these entrucking branch lines; Adopt the cold circuit mode of house steward; Only keep the entrucking house steward and be in cold conditions and get final product, the energy dissipation of avoiding the cold circulation of long term maintenance entrucking branch line to cause improves the whole efficient of loading system.
For example; The above-mentioned cold circulatory system also comprises: first alarm unit; Be connected with flow measurement instrument; Be used for sending alarm signal during less than preset value,, entrucking house steward or entrucking branch line cooled off to remind the manual flow control valve on the cold pipeloop of site operation personnel's manual unlocking when flow.
For example, the above-mentioned cold circulatory system also comprises: temperature instrument is arranged on the end of entrucking house steward or entrucking branch line; Flow control valve is connected with temperature instrument on the entrucking house steward is set; When the entrucking house steward's who detects when temperature instrument temperature is higher than predefined temperature value; Control cold conditions LNG Liquefied natural gas gets into cold circulation house steward's end from the entrucking house steward; And flowing to LNG tank, house steward cools off to entrucking.
For example; The above-mentioned cold circulatory system also comprises: second alarm unit; Be connected with temperature instrument, when the entrucking house steward who detects when temperature instrument or the temperature of entrucking branch line are higher than predefined temperature value, send alarm signal; To remind the manual flow control valve on the cold pipeloop of site operation personnel's manual unlocking, entrucking house steward or entrucking branch line are cooled off.
Fig. 2 is the cold circulatory system schematic representation that is used for the LNG Liquefied natural gas loading system of another embodiment of the present invention; In Fig. 2, MV-1 is a safety check; MV-2 is a manual ball valve; FCV is a flow control valve; XV is automatic switch valve (pneumatic or electronic); PSV is a safety valve.PI is the pressure indication; TI is the temperature indication; FIC is flow indication and control; TIC is temperature indication and control; HIC is manually control.RO is an orifice plate.Arrow A 1 expression LNG flows to the LNG storage tank; Arrow A 2 expression LNG are from the LNG storage tank.
As shown in Figure 2; Flow measurement instrument also can be arranged on cold circulation house steward or the cold loop branch pipe; To replace the setting of flow measurement instrument on entrucking house steward or entrucking branch line in the foregoing description, be used for measuring the flow of cold circulation house steward or cold loop branch pipe LNG Liquefied natural gas, when the flow that records during less than predefined cold circulation house steward or cold loop branch pipe flow value; Automatic or manual is opened cold circulation valve, can reach equally entrucking house steward or entrucking branch line are carried out cooling purpose.
To the cold circulatory system that is used for the LNG Liquefied natural gas loading system in the foregoing description; The present invention also provides a kind of cold circulation method that is used for the LNG Liquefied natural gas loading system; Loading system comprises that successively the LNG tank, entrucking house steward, the boil-off gas that link to each other return house steward and entrucking branch line, and this cold circulation method may further comprise the steps:
Through being arranged on the flow of LNG Liquefied natural gas among the flow measurement instrument measurement entrucking house steward on entrucking house steward or the cold circulation house steward;
Flow and preset value are compared, get into entrucking house steward's end if flow, is controlled the cold conditions LNG Liquefied natural gas less than preset value from cold circulation house steward, and flow to LNG tank, house steward cools off to entrucking;
Wherein, cold circulation house steward is provided with orifice plate, and the flow that is used for limiting cold circulation house steward cold conditions LNG Liquefied natural gas is less than the preset flow rate value.
In the above-described embodiments, at entrucking house steward end flow measurement instrument is set, the flow in recording the entrucking house steward is during less than predefined numerical value; Automatic open cold circulation valve; Realize the cold circulation of entrucking house steward, through on cold circulation house steward, orifice plate being set, avoid cold circulating load excessive simultaneously; Cause the increase of loading system overall energy consumption, guaranteed effectively that again the entrucking house steward is in cold conditions simultaneously.
For example, above-mentioned cold circulation method is further comprising the steps of: when flow sends alarm signal during less than preset value, to remind the manual flow control valve on the cold circulation house steward of site operation personnel's manual unlocking, house steward cools off to entrucking.
For example, above-mentioned cold circulation method also comprises step: through being arranged on the temperature that the terminal temperature instrument of entrucking house steward detects the entrucking house steward; Temperature and predefined temperature value are compared; When the entrucking house steward's who detects when temperature instrument temperature is higher than predefined temperature value; Control cold conditions LNG Liquefied natural gas gets into entrucking house steward's end from cold circulation house steward; And flowing to LNG tank, house steward cools off to entrucking.
For example; Above-mentioned cold circulation method is further comprising the steps of: when the entrucking house steward's who detects when temperature instrument temperature is higher than predefined temperature value; Send alarm signal; To remind the manual flow control valve on the cold pipeloop of site operation personnel's manual unlocking, house steward cools off to entrucking.
When needs carry out the cold circulation time on the entrucking branch line; The cold cycling switch valve that operator's manual unlocking entrucking branch line is terminal; Control cold conditions LNG Liquefied natural gas gets into cold loop branch pipe from the entrucking branch line is terminal, and flows to LNG tank, and the entrucking branch line is cooled off;
Wherein, the orifice plate that is provided with on the cold loop branch pipe of entrucking branch line, the flow that is used for limiting cold loop branch pipe cold conditions LNG Liquefied natural gas is less than the preset flow rate value.
One of ordinary skill in the art will appreciate that: accompanying drawing is an embodiment's a schematic representation, and module in the accompanying drawing or flow process might not be that embodiment of the present invention is necessary.
One of ordinary skill in the art will appreciate that: the module in the device among the embodiment can be described according to embodiment and be distributed in embodiment's the device, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
What should explain at last is: above embodiment is only in order to explaining technological scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that previous embodiment is put down in writing, and perhaps part technical characteristics wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging embodiment of the invention technological scheme of relevant art scheme.
Claims (9)
1. cold circulatory system that is used for the LNG Liquefied natural gas loading system, said loading system comprise that the LNG tank, entrucking house steward, the boil-off gas that link to each other successively return house steward and entrucking branch line, it is characterized in that the said cold circulatory system comprises:
Cold circulation house steward is arranged on said entrucking house steward's end;
Cold loop branch pipe is arranged on the end of said entrucking branch line;
Flow measurement instrument is arranged on said entrucking house steward or the said entrucking branch line, is used for measuring the flow of said entrucking house steward or said entrucking branch line LNG Liquefied natural gas;
Flow control valve; Be arranged on the said cold circulation house steward, be used for when said flow during less than preset value, control cold conditions LNG Liquefied natural gas gets into said cold circulation house steward from said entrucking house steward's end; And flow to LNG tank, said entrucking house steward is cooled off; And
Orifice plate is arranged on said cold circulation house steward or the said cold loop branch pipe, and the flow that is used for limiting said cold circulation house steward or said cold loop branch pipe cold conditions LNG Liquefied natural gas is less than the preset flow rate value.
2. the cold circulatory system according to claim 1 is characterized in that, also comprises:
First alarm unit is connected with said flow measurement instrument, is used for sending alarm signal during less than preset value when said flow.
3. the cold circulatory system according to claim 1 is characterized in that, also comprises:
Temperature instrument is arranged on the end of said entrucking house steward or said entrucking branch line;
The said flow control valve said temperature instrument terminal with being arranged on said entrucking house steward is connected; When the said entrucking house steward's who detects when said temperature instrument temperature is higher than predefined temperature value; Control cold conditions LNG Liquefied natural gas gets into said cold circulation house steward from said entrucking house steward's end; And flow to LNG tank, said entrucking house steward is cooled off.
4. the cold circulatory system according to claim 3 is characterized in that, also comprises:
Second alarm unit is connected with said temperature instrument, when the said entrucking house steward who detects when said temperature instrument or the temperature of said entrucking branch line are higher than predefined temperature value, sends alarm signal.
5. according to each described cold circulatory system that is used for the LNG Liquefied natural gas loading system among the claim 1-4; It is characterized in that; Said flow measurement instrument is arranged on said cold circulation house steward or the said cold loop branch pipe; To replace the setting of said flow measurement instrument on said entrucking house steward or said entrucking branch line, be used for measuring the flow of said cold circulation house steward or said cold loop branch pipe LNG Liquefied natural gas.
6. cold circulation method that is used for the LNG Liquefied natural gas loading system, said loading system comprise that the LNG tank, entrucking house steward, the boil-off gas that link to each other successively return house steward and entrucking branch line, it is characterized in that, may further comprise the steps:
Measure the flow of LNG Liquefied natural gas among the said entrucking house steward through being arranged on flow measurement instrument on said entrucking house steward or the cold circulation house steward;
Said flow and preset value are compared; If said flow is less than said preset value; Get into said cold circulation house steward through flow control valve control cold conditions LNG Liquefied natural gas from said entrucking house steward's end, and flow to LNG tank, said entrucking house steward is cooled off;
Wherein, said cold circulation house steward is provided with orifice plate, and the flow that is used for limiting said cold circulation house steward cold conditions LNG Liquefied natural gas is less than the preset flow rate value.
7. cold circulation method according to claim 6 is characterized in that, and is further comprising the steps of:
When said flow sends alarm signal during less than preset value.
8. cold circulation method according to claim 6 is characterized in that, also comprises step:
The temperature instrument of the end through being arranged on said entrucking house steward detects said entrucking house steward's temperature;
Said temperature and predefined temperature value are compared; When the said entrucking house steward's who detects when said temperature instrument temperature is higher than said predefined temperature value; Get into said cold circulation house steward through said flow control valve control cold conditions LNG Liquefied natural gas from said entrucking house steward's end; And flow to LNG tank, said entrucking house steward is cooled off.
9. cold circulation method according to claim 8 is characterized in that, and is further comprising the steps of:
When the said entrucking house steward's who detects when said temperature instrument temperature is higher than predefined temperature value, send alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110301238 CN102506298B (en) | 2011-09-30 | 2011-09-30 | Cold-circulating system and method for liquefied natural gas loading system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110301238 CN102506298B (en) | 2011-09-30 | 2011-09-30 | Cold-circulating system and method for liquefied natural gas loading system |
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| Publication Number | Publication Date |
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| CN102506298A true CN102506298A (en) | 2012-06-20 |
| CN102506298B CN102506298B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110301238 Active CN102506298B (en) | 2011-09-30 | 2011-09-30 | Cold-circulating system and method for liquefied natural gas loading system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928112A (en) * | 2020-09-10 | 2020-11-13 | 重庆耐德能源装备集成有限公司 | LNG loading and unloading vehicle pipeline structure, device, loading and unloading vehicle method and metering method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330760A (en) * | 1998-12-18 | 2002-01-09 | 埃克森美孚上游研究公司 | Dual refrigeration cycles for natural gas liquefaction |
| CN201255557Y (en) * | 2008-08-14 | 2009-06-10 | 苏州制氧机有限责任公司 | Natural gas liquefaction device |
| WO2010051617A1 (en) * | 2008-11-10 | 2010-05-14 | Jose Lourenco | Method to increase gas mass flow injection rates to gas storage caverns using lng |
| CN202302724U (en) * | 2011-09-30 | 2012-07-04 | 中国寰球工程公司 | Cold circulation system used for LNG (liquefied natural gas) loading system |
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2011
- 2011-09-30 CN CN 201110301238 patent/CN102506298B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330760A (en) * | 1998-12-18 | 2002-01-09 | 埃克森美孚上游研究公司 | Dual refrigeration cycles for natural gas liquefaction |
| CN201255557Y (en) * | 2008-08-14 | 2009-06-10 | 苏州制氧机有限责任公司 | Natural gas liquefaction device |
| WO2010051617A1 (en) * | 2008-11-10 | 2010-05-14 | Jose Lourenco | Method to increase gas mass flow injection rates to gas storage caverns using lng |
| CN202302724U (en) * | 2011-09-30 | 2012-07-04 | 中国寰球工程公司 | Cold circulation system used for LNG (liquefied natural gas) loading system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928112A (en) * | 2020-09-10 | 2020-11-13 | 重庆耐德能源装备集成有限公司 | LNG loading and unloading vehicle pipeline structure, device, loading and unloading vehicle method and metering method |
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| CN102506298B (en) | 2013-11-06 |
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