CN202082616U - Cold circulating system for ship unloading pipeline of LNG (Liquefied Natural Gas) receiving terminal - Google Patents
Cold circulating system for ship unloading pipeline of LNG (Liquefied Natural Gas) receiving terminal Download PDFInfo
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- CN202082616U CN202082616U CN 201120146919 CN201120146919U CN202082616U CN 202082616 U CN202082616 U CN 202082616U CN 201120146919 CN201120146919 CN 201120146919 CN 201120146919 U CN201120146919 U CN 201120146919U CN 202082616 U CN202082616 U CN 202082616U
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- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 156
- 239000007789 gas Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 230000001351 cycling effect Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 101150001783 fic1 gene Proteins 0.000 description 3
- 238000007701 flash-distillation Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a cold circulating system for the ship unloading pipeline of an LNG (Liquefied Natural Gas) receiving terminal, which comprises the ship unloading pipeline, a low-pressure output main pipe, a first connecting pipeline and a second connecting pipeline, and also comprises a cold circulating pipeline, a flow control valve, a flow sensor, a flow controller and a first switch valve, wherein the cold circulating pipeline is connected with the lower-pressure output main pipe, one small stand of LNG in the low-pressure output main pipe returns to a dock through the cold circulating pipeline, the small part of LNG returns into a storage tank, the rest of the LNG returns to the low-pressure output main pipe through the ship unloading pipeline, the flow sensor is arranged on the cold circulating pipeline, the first flow control valve is arranged on the low-pressure output main pipe, the flow sensor and the first flow control valve are connected through the flow controller, the flow controller controls the opening degree of the first flow controller according to the cold circulating flow in the cold circulating pipeline, the cold circulating flow is sensed by the flow sensor, and the first switch valve is arranged on the cold circulating pipeline.
Description
Technical field
The utility model relates to the LNG Liquefied natural gas field, in particular to a kind of unload a ship cold circulatory system of pipeline of LNG Liquefied natural gas receiving station that is used for.
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.The major function of LNG Liquefied natural gas receiving station is to receive the LNG that the LNG ship ships by ocean carrier, with its storage and vaporization, obtains the gaseous natural gas product, and by gas distributing system to power plant and gas user air feed.LNG Liquefied natural gas receiving station generally includes LNG discharge system, LNG stocking system, boil-off gas (BOG, Boil Off Gas) processing system, LNG transporting system, LNG carburetion system, Utilities and auxiliary system.Therefore, LNG receiving station all builds near the harbour of Large LNG cargo ship of can berthing, be provided with LNG arm and the LNG pipeline of unloading a ship of unloading a ship in the LNG Liquefied natural gas receiving station, after the LNG cargo ship arrives the single user wharf of LNG receiving station, the unload a ship discharging header of arm and LNG cargo ship of the LNG of receiving station is connected, start the LNG discharging pump on the ship, LNG will be unloaded to receiving station's storage tank by unload a ship arm and the pipeline of unloading a ship of LNG in transportation cabin body, realize the uninstall process of LNG.Because LNG exists with the liquid state below the normal pressure-160 ℃, even in the non-process of unloading a ship, because the bleeding of amount of heat, the evaporation of can absorbing heat of the LNG in the pipeline of unloading a ship, generation BOG.
Generally speaking, LNG unloads a ship, and line size is big, distance, and the heat insulation layer of pipeline can not stop the leakage heat of environment fully, unload a ship simultaneously blanking time long (3～15 days), therefore, the interior a large amount of BOG of pipeline that unload a ship can cause system overpressure, the pipeline of unloading a ship recovers ambient temperature and a large amount of LNG evaporation, and system overpressure can bring potential safety hazard; The pipeline of unloading a ship recovers ambient temperature, wait until and unloads a ship next time when operating, and needs precooling, and the one, spended time is longer, and the pipe stress problem brought of temperature alternate is unfavorable for the safe operation of receiving station in addition; And a large amount of LNG evaporations will cause the waste of energy, the reduction that brings receiving station's economic benefit.
Therefore, usually require to keep the LNG pipeline of unloading a ship to be in the low temperature cold conditions always, under the operating mode of the non-operation of unloading a ship of receiving station, adopt a small amount of LNG to carry out cold circulation from receiving station's process system, keep and be in the cryogenic liquide state in the pipeline of unloading a ship, avoid the evaporation of LNG, pipeline to heat up and superpressure.
The model utility content
The utility model provides a kind of unload a ship cold circulatory system of pipeline of LNG Liquefied natural gas receiving station that is used for, with so that the pipeline of unloading a ship of LNG Liquefied natural gas receiving station keeps the low temperature cold conditions during operating mode non-unloading a ship.
For achieving the above object, the utility model provides a kind of unload a ship cold circulatory system of pipeline of LNG Liquefied natural gas receiving station that is used for, it comprises the pipeline of unloading a ship, the low pressure delivery trunk, first connecting line and second connecting line, also comprise: the cool cycles pipeline, flow control valve, flow transducer, the flow dontroller and first switch valve, wherein, the cool cycles pipeline is connected with the low pressure delivery trunk, a small gangs of LNG Liquefied natural gas in the low pressure delivery trunk is back to the harbour place through the cool cycles pipeline, and wherein the sub-fraction LNG Liquefied natural gas is back to storage tank, and all the other most of LNG Liquefied natural gas are returned the low pressure delivery trunk through the pipeline of unloading a ship; Flow transducer is arranged on the cool cycles pipeline, the first flow control valve is arranged on the low pressure delivery trunk, flow transducer is connected by flow dontroller with the first flow control valve, the aperture of the cold circular flow control first flow control valve in the cool cycles pipeline that flow dontroller records according to flow transducer; First switch valve is arranged on the cool cycles pipeline.
Preferable, the above-mentioned cold circulatory system also comprises: the remote manual control valve is arranged on the cool cycles pipeline.
Preferable, the above-mentioned cold circulatory system also comprises: the second switch valve is arranged on second connecting line.
Preferable, the above-mentioned cold circulatory system also comprises: the 3rd switch valve is arranged on the end of pipeline near liquefied natural gas (LNG) tank of unloading a ship.
Preferable, the above-mentioned cold circulatory system also comprises: the 4th switch valve is arranged on first connecting line.
Preferable, the above-mentioned cold circulatory system also comprises: the hand switch valve is arranged on the pipeline of unloading a ship.
Preferable, first switch valve, second switch valve, the 3rd switch valve, the 4th switch valve, remote manual control valve and hand switch valve respectively with the control room is set in the remotely-controlled operation button be connected.
Preferable, the above-mentioned cold circulatory system also comprises: temperature transducer is arranged on the pipeline of unloading a ship.
In the above-described embodiments, when LNG receiving station is in non-unloading a ship during operating conditions, extract one LNG fluid out from the low pressure delivery trunk, the cold pipeloop of process turns back on the harbour and the end of the pipeline of unloading a ship joins, the pipeline of unloading a ship of flowing through then, the low pressure delivery trunk or the LNG storage tank of receiving station got back in recirculation, flows so that low temperature LNG to be arranged in this pipeline that keeps unloading a ship all the time, and it is stand-by to keep it to be in the low temperature cold conditions.The LNG pipeline because amount of heat is bled, thereby produce extra boil-off gas, and the pressure of LNG storage tank is low, the space is big, if the LNG of cold circulating reflux all gets back to the LNG storage tank, can flash distillation form a large amount of boil-off gas, need to increase the ability or the operating load of BOG compressor, the increase that brings receiving station's operation energy consumption, therefore, according to the utility model with most of circuit LNG without decompression, directly turn back to LNG low-pressure delivery house steward, so outer downstream defeated, will save lot of energy; Simultaneously, other sub-fraction turns back in the LNG storage tank through LNG storage tank feeding valve by-pass valve MV-1, has kept the low temperature cold conditions of the pipeline of unloading a ship of LNG storage tank one side.Thereby realized being in non-unloading a ship during operating mode, made the pipeline of unloading a ship of long distance keep the low temperature cold conditions, and can make the equipment of receiving station's other parts and system unaffected, reliable operation by control when receiving station.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment 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, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, 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 for being used for the unload a ship cold circulatory system schematic representation of pipeline of LNG Liquefied natural gas receiving station according to an embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, 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 utility model protection.
Fig. 1 is for being used for the unload a ship cold circulatory system schematic representation of pipeline of LNG Liquefied natural gas receiving station according to an embodiment of the utility model.As shown in Figure 1, this system comprises the pipeline 1 of unloading a ship, low pressure delivery trunk 2, connecting line 5 and connecting line 6, also comprises: cold pipeloop 4, flow control valve FCV-1, flow transducer FT-1, flow dontroller FIC-1, remote manual control valve HCV-1, pneumatic on-off valve XV-1, XV-2, XV-3, XV-4 and hand switch valve MV-1.
Cold pipeloop 4 is connected with low pressure delivery trunk 2, the unload a ship end of pipeline 1 of the LNG that a small gangs of LNG Liquefied natural gas in the low pressure delivery trunk is back to the harbour place through cold pipeloop, and wherein the sub-fraction LNG Liquefied natural gas is back to the LNG storage tank, all the other most of LNG Liquefied natural gas are returned the low pressure delivery trunk through the pipeline of unloading a ship, with outer defeated LNG equipment output downstream;
Flow transducer FT-1 is arranged on the cool cycles pipeline 4, flow control valve FCV-1 is arranged on the low pressure delivery trunk 2, flow transducer is connected by flow dontroller FIC-1 with flow control valve, the aperture of LNG flow control flow control valve in the cool cycles pipeline that flow dontroller records according to flow transducer, realize the LNG circulation, and then guaranteeing the unload a ship low temperature cold conditions of pipeline of LNG, flow dontroller has the function of flow number indication and the low warning of flow simultaneously.Because the unit such as after-condenser in the relative downstream of harbour are far away, cold pipeloop is thinner because of the flow that only need keep the low temperature cold conditions, so being more prone to flow to upstream device, LNG is recycled to the harbour place, therefore, control the flow that the downstream is gone in conveying by the flow control valve FCV-1 on the low pressure delivery trunk, can better guarantee the cold circular flow of extracting out; If as some existing way, flow control valve is installed on the cold pipeloop, and is not limited the flow that the low pressure delivery trunk goes to the downstream, can not the cold circular flow of fine assurance, and then also do not realize cold circuit purpose;
Switch valve XV-1 is arranged on the cool cycles pipeline, by controlling the switching of this switch valve, guarantee the cool cycles pipeline when nothing is unloaded a ship operating mode, have flow through and not by bypass.
In the present embodiment, when LNG receiving station is in non-unloading a ship during operating conditions, extract one LNG fluid out from the low pressure delivery trunk, the cold pipeloop of process turns back on the harbour and the end of the pipeline of unloading a ship joins, the pipeline of unloading a ship of flowing through then, the low pressure delivery trunk or the LNG storage tank of receiving station got back in recirculation, flows so that low temperature LNG to be arranged in this pipeline that keeps unloading a ship all the time, and it is stand-by to keep it to be in the low temperature cold conditions.The LNG pipeline because amount of heat is bled, thereby produce extra boil-off gas, and the pressure of LNG storage tank is low, the space is big, if the LNG of cold circulating reflux all gets back to the LNG storage tank, can flash distillation form a large amount of boil-off gas, need to increase the ability or the operating load of BOG compressor, the increase that brings receiving station's operation energy consumption, therefore, according to the utility model with most of circuit LNG without decompression, directly turn back to LNG low-pressure delivery house steward, so outer downstream defeated, will solve lot of energy; Simultaneously, other sub-fraction turns back in the LNG storage tank through LNG storage tank feeding valve by-pass valve MV-1, has kept the low temperature cold conditions of the pipeline of unloading a ship of LNG storage tank one side.Thereby realized being in non-unloading a ship during operating mode, made the pipeline of unloading a ship of long distance keep the low temperature cold conditions, and can make the equipment of receiving station's other parts and system unaffected, reliable operation by control when receiving station.
For example, the above-mentioned cold circulatory system of unloading a ship also comprises: remote manual control valve HCV-1, be arranged on the cool cycles pipeline, can be in the switching and the flow size of control room telecontrol cool cycles pipeline, the suddenly very big low pressure delivery trunk downstream instantaneous pressure that causes of flow reduces too fast problem in the time of can avoiding each circulation initial.Remote manual control valve HCV-1 is provided with the remotely-controlled operation button in the control room, can realize the telecontrol to cold pipeloop flow.HCV-1 and XV-4 can not open simultaneously, and therefore the realization that inner interlock control device is guaranteed this requirement need be set.
For example, switch valve XV-2 is arranged on the connecting line 6, opens when cold cycling, realizes that the LNG that cold circulation is returned flows into LNG low pressure delivery trunk.
For example, switch valve XV-3 is arranged on LNG and unloads a ship pipeline near an end of LNG storage tank, closes when cold cycling, avoids a large amount of cold circulation LNG to flow to the LNG storage tank.
For example: switch valve XV-4 is arranged on the connecting line 5, closes when cold cycling, guarantees that cold circuit LNG flows to the pipeline of unloading a ship of LNG quay side.
For example, hand switch valve MV-1 is arranged on the pipeline of unloading a ship, and is the by-pass valve of XV-3, is set to lead sealing and opens state, guarantees that the cold circuit LNG of sub-fraction gets back to the LNG storage tank, and the pipeline that guarantees to unload a ship is positioned at the part of LNG storage tank one side and keeps the low temperature cold conditions.
For example, also be provided with surface temperature sensor on the above-mentioned pipeline of unloading a ship, be used for monitoring in real time the practical operation temperature of pipeline of unloading a ship, and in the control room, provide the numerical value indication, help the operator in time to understand cold circuit running state.
For example, above-mentioned remote manual control valve, pneumatic on-off valve all are provided with the operation soft key in the control room of receiving station, guarantee that the operator just can realize the switching manipulation of these valves in the control room.
The working procedure of the foregoing description is: non-ly unload a ship operation during operating mode when receiving station is in, off switch valve XV-4 at first, open the hand control valve HCV-1 on the cool cycles pipeline then, switch valve XV-2 on switch valve XV-1 and the connecting line, a small gangs of LNG in this moment low pressure delivery trunk will through the cool cycles pipe flow will on the LNG harbour and the end of the pipeline of unloading a ship join, the pipeline of unloading a ship of flowing through then, and get back to receiving station by the pipeline of unloading a ship, and by connecting line 6 and on switch valve XV-2 get back to the low pressure delivery trunk, there to be low temperature LNG to flow in this pipeline that keeps unloading a ship all the time, it is stand-by to keep it to be in the low temperature cold conditions.Meanwhile, sub-fraction from the cold circuit LNG of harbour by unload a ship pipeline and on manually operated valve MV-1 get back to the LNG storage tank, keep the low temperature cold conditions that the pipeline of unloading a ship is positioned at the pipeline part of LNG storage tank one side.Circuit LNG amount is according to the length and the caliber of the pipeline of unloading a ship, FIC-1 preestablishes by flow dontroller, this setting value also can be changed adjustment in the control room according to the true temperature of the pipeline of unloading a ship in the actual moving process, all is in liquid condition with the LNG in the pipeline of further guaranteeing to unload a ship.Can pass through the modulating valve control flow rate.
In sum as can be seen, the foregoing description of the present utility model has been realized following beneficial effect:
One, avoided the generation of a large amount of boil-off gas.If whole cold circular flows all are back to storage tank, because the pressure of storage tank is low, the space is big, can flash distillation form a large amount of boil-off gas, need to increase the ability or the operating load of BOG compressor, bring the increase of receiving station's operation energy consumption, the utility model without decompression, directly turns back to LNG low pressure delivery trunk with most of circuit LNG, and then outer downstream defeated, will save lot of energy; Simultaneously, other sub-fraction turns back in the LNG storage tank through LNG storage tank feeding valve by-pass valve MV-1, has kept the low temperature cold conditions of the pipeline of unloading a ship of LNG storage tank one side.Thereby realized being in non-unloading a ship during operating mode, made the pipeline of unloading a ship of long distance keep the low temperature cold conditions, and can make the equipment of receiving station's other parts and system unaffected, reliable operation by control when receiving station.
Two, cold circular flow is regulated accurately.Pipeline is longer owing to unload a ship, and caliber is very big, the unit such as after-condenser in downstream are far away relatively, cold pipeloop is thinner because of the flow that only need keep the low temperature cold conditions, so being more prone to flow to upstream device, LNG is recycled to the harbour place, control by the flow control valve FCV-1 that is arranged on LNG low pressure delivery trunk and to be used for cooling off the cold circular flow of pipeline of unloading a ship, can better guarantee the cold circular flow of extracting out; In addition, on cold pipeloop, be provided with hand control valve again, the function that also has Flow-rate adjustment, in the switching and the flow size of control room telecontrol cool cycles pipeline, the suddenly very big low pressure delivery trunk downstream instantaneous pressure that causes of flow reduces too fast problem in the time of can avoiding each circulation initial.
Three, unload a ship and cold cycling reliable and stable.Unload a ship or cold cycling operating mode under, HCV-1 and XV-4 can not open simultaneously, guarantee the realization of this requirement by inner interlock control device is set, and have guaranteed to unload a ship and cold cycling reliable and stable.
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 enforcement the utility model 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.
Above-mentioned the utility model embodiment sequence number is not represented embodiment's quality just to description.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, 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 modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of the utility model embodiment technological scheme.
Claims (8)
1. one kind is used for the unload a ship cold circulatory system of pipeline of LNG Liquefied natural gas receiving station, comprise the pipeline of unloading a ship, low pressure delivery trunk, first connecting line and second connecting line, it is characterized in that, also comprise: cool cycles pipeline, flow control valve, flow transducer, flow dontroller and first switch valve, wherein
Described cool cycles pipeline is connected with described low pressure delivery trunk, a small gangs of LNG Liquefied natural gas in the described low pressure delivery trunk is back to the harbour place through described cool cycles pipeline, and wherein the sub-fraction LNG Liquefied natural gas is back to storage tank, and all the other most of LNG Liquefied natural gas are returned described low pressure delivery trunk through the described pipeline of unloading a ship;
Described flow transducer is arranged on the described cool cycles pipeline, described first flow control valve is arranged on the described low pressure delivery trunk, described flow transducer is connected by described flow dontroller with described first flow control valve, and the cold circular flow in the described cool cycles pipeline that described flow dontroller records according to described flow transducer is controlled the aperture of described first flow control valve;
Described first switch valve is arranged on the described cool cycles pipeline.
2. the unload a ship cold circulatory system of pipeline of LNG Liquefied natural gas receiving station that is used for according to claim 1 is characterized in that, also comprises:
The remote manual control valve is arranged on the described cool cycles pipeline.
3. the unload a ship cold circulatory system of pipeline of LNG Liquefied natural gas receiving station that is used for according to claim 2 is characterized in that, also comprises:
The second switch valve is arranged on described second connecting line.
4. the unload a ship cold circulatory system of pipeline of LNG Liquefied natural gas receiving station that is used for according to claim 3 is characterized in that, also comprises:
The 3rd switch valve is arranged on the described end of pipeline near liquefied natural gas (LNG) tank of unloading a ship.
5. the unload a ship cold circulatory system of pipeline of LNG Liquefied natural gas receiving station that is used for according to claim 4 is characterized in that, also comprises:
The 4th switch valve is arranged on described first connecting line.
6. the unload a ship cold circulatory system of pipeline of LNG Liquefied natural gas receiving station that is used for according to claim 5 is characterized in that, also comprises:
The hand switch valve is arranged on the described pipeline of unloading a ship.
7. the unload a ship cold circulatory system of pipeline of LNG Liquefied natural gas receiving station that is used for according to claim 6, it is characterized in that, described first switch valve, described second switch valve, described the 3rd switch valve, described the 4th switch valve, described remote manual control valve and described hand switch valve respectively with the control room is set in the remotely-controlled operation button be connected.
8. according to each described unload a ship cold circulatory system of pipeline of LNG Liquefied natural gas receiving station that is used among the claim 1-7, it is characterized in that, also comprise:
Temperature transducer is arranged on the described pipeline of unloading a ship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120146919 CN202082616U (en) | 2011-05-10 | 2011-05-10 | Cold circulating system for ship unloading pipeline of LNG (Liquefied Natural Gas) receiving terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120146919 CN202082616U (en) | 2011-05-10 | 2011-05-10 | Cold circulating system for ship unloading pipeline of LNG (Liquefied Natural Gas) receiving terminal |
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| Publication Number | Publication Date |
|---|---|
| CN202082616U true CN202082616U (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120146919 Expired - Lifetime CN202082616U (en) | 2011-05-10 | 2011-05-10 | Cold circulating system for ship unloading pipeline of LNG (Liquefied Natural Gas) receiving terminal |
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| CN (1) | CN202082616U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767693A (en) * | 2012-07-31 | 2012-11-07 | 中国寰球工程公司 | Cooling system and method of unshipping pipeline of liquefied natural gas receiving station |
| CN103234117A (en) * | 2013-04-22 | 2013-08-07 | 中国海洋石油总公司 | Low-energy-consumption zero-emission evaporated gas treating system of liquefied natural gas (LNG) receiving station |
| CN106641703A (en) * | 2016-12-30 | 2017-05-10 | 浙江新锐空分设备有限公司 | Shipping and unshipping system of low-temperature liquid-state ethylene storage tank |
| CN108087720A (en) * | 2017-11-17 | 2018-05-29 | 深圳市燃气集团股份有限公司 | A kind of cooling gas production system and its method |
| CN109915682A (en) * | 2019-04-12 | 2019-06-21 | 南京扬子石油化工设计工程有限责任公司 | Pipeline chilldown system |
| CN111779967A (en) * | 2020-06-28 | 2020-10-16 | 中国寰球工程有限公司 | Wharf platform pipeline cold insulation system and method of offshore LNG receiving station |
| CN116045211A (en) * | 2023-01-03 | 2023-05-02 | 中交第四航务工程勘察设计院有限公司 | Remote large LNG shipping device and shipping method thereof |
-
2011
- 2011-05-10 CN CN 201120146919 patent/CN202082616U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767693A (en) * | 2012-07-31 | 2012-11-07 | 中国寰球工程公司 | Cooling system and method of unshipping pipeline of liquefied natural gas receiving station |
| CN103234117A (en) * | 2013-04-22 | 2013-08-07 | 中国海洋石油总公司 | Low-energy-consumption zero-emission evaporated gas treating system of liquefied natural gas (LNG) receiving station |
| CN103234117B (en) * | 2013-04-22 | 2016-01-13 | 中国海洋石油总公司 | A kind of LNG receiving station low energy consumption boil-off gas zero-discharge treatment system |
| CN106641703A (en) * | 2016-12-30 | 2017-05-10 | 浙江新锐空分设备有限公司 | Shipping and unshipping system of low-temperature liquid-state ethylene storage tank |
| CN108087720A (en) * | 2017-11-17 | 2018-05-29 | 深圳市燃气集团股份有限公司 | A kind of cooling gas production system and its method |
| CN109915682A (en) * | 2019-04-12 | 2019-06-21 | 南京扬子石油化工设计工程有限责任公司 | Pipeline chilldown system |
| CN109915682B (en) * | 2019-04-12 | 2023-11-24 | 中集安瑞科工程科技有限公司 | Pipeline precooling system |
| CN111779967A (en) * | 2020-06-28 | 2020-10-16 | 中国寰球工程有限公司 | Wharf platform pipeline cold insulation system and method of offshore LNG receiving station |
| CN116045211A (en) * | 2023-01-03 | 2023-05-02 | 中交第四航务工程勘察设计院有限公司 | Remote large LNG shipping device and shipping method thereof |
| CN116045211B (en) * | 2023-01-03 | 2023-09-19 | 中交第四航务工程勘察设计院有限公司 | Remote large LNG shipping device and shipping method thereof |
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Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: China National Petroleum Corporation Patentee after: China Global Engineering Co. Ltd. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee before: China National Petroleum Corporation Patentee before: China Huanqiu Engineering Co. |
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Granted publication date: 20111221 |
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| CX01 | Expiry of patent term |