CN101614318A - Heat accumulating type storage tank for absorbing natural gas - Google Patents

Heat accumulating type storage tank for absorbing natural gas Download PDF

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Publication number
CN101614318A
CN101614318A CN200910072052A CN200910072052A CN101614318A CN 101614318 A CN101614318 A CN 101614318A CN 200910072052 A CN200910072052 A CN 200910072052A CN 200910072052 A CN200910072052 A CN 200910072052A CN 101614318 A CN101614318 A CN 101614318A
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China
Prior art keywords
natural gas
storage tank
heat
gas
accumulating type
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Pending
Application number
CN200910072052A
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Chinese (zh)
Inventor
于振兴
范雪蕾
郑伟
张宇航
付红英
吴虹
许文龙
张平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantian Industrial Co Ltd Daqing High-Tech Industrial Development Zone
Daqing Oilfield Co Ltd
Original Assignee
Nantian Industrial Co Ltd Daqing High-Tech Industrial Development Zone
Daqing Oilfield Co Ltd
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Application filed by Nantian Industrial Co Ltd Daqing High-Tech Industrial Development Zone, Daqing Oilfield Co Ltd filed Critical Nantian Industrial Co Ltd Daqing High-Tech Industrial Development Zone
Priority to CN200910072052A priority Critical patent/CN101614318A/en
Publication of CN101614318A publication Critical patent/CN101614318A/en
Pending legal-status Critical Current

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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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage

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  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention discloses a kind of heat accumulating type storage tank for absorbing natural gas.This heat accumulating type storage tank for absorbing natural gas comprises tank body (3), and described tank body (3) inside is provided with multilayer natural gas adsorbent (8), multiple layer metal net (7), multiple layer metal pipe (4), and metal tube is equipped with heat storage material in (4).Temperature in the storage tank when heat storage material among the present invention can be regulated rock gas absorption and desorption, to reduce thermal effect, improve accumulating efficient, not only solved retail natural gas from far-off regions and reclaimed problem, and can apply to extensive rock gas accumulating and natural gas filling station.

Description

Heat accumulating type storage tank for absorbing natural gas
Technical field:
The present invention relates to the used a kind of storage tank of transport natural gas in the petrochemical industry, especially a kind of heat accumulating type storage tank for absorbing natural gas.
Background technique:
No matter existing rock gas stocking system is LNG Liquefied natural gas or compressed natural gas, and in order to increase gas-storing capacity, usual way is to increase pressure.But gas increases after the pressure, can increase tank body thickness, increases drawbacks such as construction cost, potential safety hazard.
Patent of invention (CN2546723Y) is provided with electrothermal piece in order to increase gas-storing capacity in gas holder inside, thereby reduces thermal effect, and gas-storing capacity is existing middle 2.5 times of pressing the equal gas-storing capacity of gas holder; Safety performance is good, and gas storage pressure is low, the Security of raising equipment and operation; This gas holder reduces more than 30% than the gas storage cost of existing gas holder.But have some drawbacks, some retail natural gas well location is not powered in remote districts yet, therefore limited the application area that contains the electrothermal piece natural gas storage tank, utilize electric heating element to eliminate thermal effect in addition, consume a large amount of electric energy, thereby also increased the storage cost of transportation of rock gas.
Patent of invention (CN1792784A) relates to a kind of vehicle carried type steel cylinder, buries energy-storage travelling wave tube underground to increase the gas-storing capacity of rock gas.The present invention because simple in structure, volume is little, thereby only is applicable to vehicle-mounted steel cylinder, is not suitable for the storage and transportation apparatus of extensive rock gas.
The model utility content:
In order to overcome the deficiency that exists in the background technique, the invention provides a kind of heat accumulating type storage tank for absorbing natural gas.The present invention utilizes the phase transformation of heat storage material self to regulate the interior temperature of storage tank for absorbing natural gas, thereby has improved accumulating efficient.It not only can solve retail natural gas recovery problem from far-off regions the present invention, can also solve the extensive accumulating problem of rock gas.
The technological scheme of employing of the present utility model is: this heat accumulating type storage tank for absorbing natural gas comprises tank body (3), a kind of carbonaceous natural gas adsorbent (8), multiple layer metal net (7), multiple layer metal pipe (4) are equipped with in described tank body (3) inside, and metal tube is equipped with heat storage material in (4).
Above-mentioned every laying one deck carbonaceous natural gas adsorbent (8) in tank body is placed layer of metal net (7) on sorbent, wire netting (7) is gone up even distribution metal tube (4), and heat storage material is housed in the metal tube; Heat storage material consists of: Ca (NO 3) 24H 2O, Na 2HPO 47H 2O, CH 4COONa4H 2O, Na 2S 2O 35H 2O, Na 2CO 310H 2O, Na 2SO 410H 2O, K 3PO 47H 2O, borax and urea, its mass percent is respectively Ca (NO 3) 24H 2O20.0%～40.0%, Na 2HPO 47H 2O 18.0%～25.0%, CH 4COONa4H 2O 8.0%～16.0%, Na 2S 2O 35H 2O 7.0%～12.0%, Na 2CO 310H 2O 5.0%～17.0%, Na 2SO 410H 2O 3.5.0%～13.0%, K 3PO 47H 2O 0.5%～4.0%, borax 0.3%～1.8%, urea 0.1%～0.8%.
Use of the present invention comprises the inflation and two processes of exitting: 1) gas replenishment process: when the attached storage tank system of natural aspiration is inflated, because the existence of thermal effect, core temperature can reach 100 ℃ when the natural gas storage can system was at room temperature inflated, the interior heat storage material of storage tank this moment undergoes phase transition most of heat of emitting when absorbing the inflation of natural gas storage can system, makes the interior temperature maintenance of storage tank at 40-50 ℃.2) deflation course: when the rock gas storage tank system is exitted, because the existence of thermal effect, minimum temperature can be reduced to subzero when the natural gas storage can system was at room temperature exitted, the interior heat storage material of storage tank this moment undergoes phase transition emits heat, makes the interior temperature maintenance of storage tank at 5-15 ℃.
The present invention compared with prior art has the following advantages and the high-lighting effect: 1. the present invention adopts a kind of new type compound natural gas adsorbent, and adsorption performance is good, thereby can effectively increase rock gas gas storage efficient.2. bury the multiple layer metal net underground in the natural gas adsorbent storage tank, main effect is to quicken mass transfer and heat transfer when carrying out rock gas absorption and desorption, quickening inflation and outgassing rate.3. owing in the natural gas storage tank heat storage material is housed, thus thereby the accumulating efficient that can regulate the temperature increase rock gas in the storage tank well.Utilize self phase-transition heat-storage, reduce the waste of other energy, improve energy utilization rate.4. apparatus body is simple in structure, and construction cost is low, both can make the mini gas storage tank, also is applicable to extensive rock gas accumulating mode, also is applicable to that natural gas filling station storage rock gas uses.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
The 1-blowhole, 2-air outlet hole, 3-tank body, 4-metal tube, 5-pressure gauge, 6-manhole, 7-wire netting, 8-sorbent.
Embodiment:
The utility model is described in further detail below in conjunction with embodiment:
This heat accumulating type storage tank for absorbing natural gas comprises tank body 3, there is manhole 6 tank body 3 upper ends, manhole 6 is to be used for carrying out withstand voltage metal tube 4, wire netting 7, the filling of carbonaceous natural gas adsorbent 8 and unloading, be provided with wire netting 7 between the adjacent two layers natural gas adsorbent 8 in the tank body 3, wire netting 7 plays the support natural gas adsorbent, the effect that makes rock gas evenly distribute and enter tank body, and wire netting 7 plays the effect of quickening mass transfer and heat transfer when inflation and venting, and metal tube 4 in a row is placed on the wire netting 7 at interval, in the metal tube 4 heat storage material is housed, heat storage material consists of: Ca (NO 3) 24H 2O, Na 2HPO 47H 2O, CH 4COONa4H 2O, Na 2S 2O 35H 2O, Na 2CO 310H 2O, Na 2SO 410H 2O, K 3PO 47H 2O, borax and urea, its mass percent is respectively Ca (NO 3) 24H 2O 36.0%, Na 2HPO 47H 2O 22.0%, CH 4COONa4H 2O 13.0%, Na 2S 2O 35H 2O 9.5%, Na 2CO 310H 2O 8.0%, Na 2SO 410H 2O 6.0%, K 3PO 47H 2O 3.5%, borax 1.5%, urea 0.5%.Heat storage material undergoes phase transition storing heat when inflation, can emit heat when venting, and storage tank for absorbing natural gas need not be provided with electrothermal piece when transport natural gas can increase reserves.
When use is of the present invention, be divided into two processes: gas replenishment process and deflation course.
When 1) inflating, open the flow control valve of blowhole 1 top, make rock gas enter tank body, because the existence of thermal effect, liberated heat underwent phase transition and absorbs by being contained in heat storage materials in the metal tube 4 when the rock gas gas holder was absorbed natural gas, thereby increased the gas-storing capacity of rock gas gas holder, and pressure gauge 5 shows jar internal pressures simultaneously, when reaching 3.5-4MPa, pressure stops inflation, about 1.5-2 of time spent hour.
When 2) exitting, open the flow control valve of air outlet hole 2 tops, behind air outlet hole 2, outwards drawn by the natural gas flow that natural gas adsorbent adsorbs.
After repeatedly inflating and exitting, if the adsorptive power of natural gas adsorbent reduces, can utilize the method for heating to make natural gas adsorbent regeneration by the unloading of manhole to sorbent, easy to operate.Heat accumulating type rock gas absorbing and storing mode of the present invention is not subjected to the restriction of region, is applicable to the storage tank of all kinds and size, is applicable to large-scale gasholder station stored-gas use yet.

Claims (3)

1, a kind of heat accumulating type storage tank for absorbing natural gas, comprise tank body (3), it is characterized in that: a kind of carbonaceous natural gas adsorbent (8), multiple layer metal net (7), multiple layer metal pipe (4) are equipped with in described tank body (3) inside, and metal tube is equipped with heat storage material in (4).
2, heat accumulating type storage tank for absorbing natural gas according to claim 1, it is characterized in that: every laying one deck carbonaceous natural gas adsorbent (8) in tank body, place layer of metal net (7) on sorbent, wire netting (7) is gone up even distribution metal tube (4), and heat storage material is housed in the metal tube.
3, heat accumulating type storage tank for absorbing natural gas according to claim 1, it is characterized in that: heat storage material consists of: Ca (NO 3) 24H 2O, Na 2HPO 47H 2O, CH 4COONa4H 2O, Na 2S 2O 35H 2O, Na 2CO 310H 2O, Na 2SO 410H 2O, K 3PO 47H 2O, borax and urea, its mass percent is respectively Ca (NO 3) 24H 2O 20.0%～40.0%, Na 2HPO 47H 2O18.0%～25.0%, CH 4COONa4H 2O 8.0%～16.0%, Na 2S 2O 35H 2O 7.0%～12.0%, Na 2CO 310H 2O 5.0%～17.0%, Na 2SO 410H 2O 3.5.0%～13.0%, K 3PO 47H 2O 0.5%～4.0%, borax 0.3%～1.8%, urea 0.1%～0.8%.
CN200910072052A 2009-05-15 2009-05-15 Heat accumulating type storage tank for absorbing natural gas Pending CN101614318A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102700382A (en) * 2012-06-27 2012-10-03 黄力华 Green cooling device for motor vehicles
CN102814101A (en) * 2012-07-26 2012-12-12 徐毅 Storage, transport and desorption application device for coal bed methane
CN102840443A (en) * 2012-09-15 2012-12-26 徐毅 Transporting and use method for absorbing coal bed gas with coal serving as medium
CN102946973A (en) * 2010-06-17 2013-02-27 新加坡国立大学 Method and system for storing natural gas
CN103292151A (en) * 2012-02-29 2013-09-11 罗臬 Methane adsorption device and storage method, and application in transportation tool
CN103352760A (en) * 2013-07-01 2013-10-16 中国科学院理化技术研究所 Compressed air energy storage power generation system adopting high-temperature gas-heat combined storage device
CN103353060A (en) * 2013-07-08 2013-10-16 中国科学院理化技术研究所 Constant-temperature gas storage system applied to compressed air energy storage power generation system
CN103822093A (en) * 2013-10-18 2014-05-28 中国石油化工股份有限公司 Natural gas adsorptive recycling method for compressed natural gas station
CN104421428A (en) * 2013-08-23 2015-03-18 通用汽车环球科技运作有限责任公司 Fluid storage tank
CN105090742A (en) * 2015-08-29 2015-11-25 华南理工大学 Adsorptive natural gas transporting tank for storing and transporting natural gas
CN105987279A (en) * 2016-04-01 2016-10-05 石家庄安瑞科气体机械有限公司 ANG transport cart
CN117267092A (en) * 2023-07-31 2023-12-22 安徽华赛能源科技有限公司 Chamber type compressed air energy storage system and control method

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102946973A (en) * 2010-06-17 2013-02-27 新加坡国立大学 Method and system for storing natural gas
CN103292151B (en) * 2012-02-29 2015-05-20 罗臬 Methane adsorption device and storage method, and application in transportation tool
CN103292151A (en) * 2012-02-29 2013-09-11 罗臬 Methane adsorption device and storage method, and application in transportation tool
CN102700382A (en) * 2012-06-27 2012-10-03 黄力华 Green cooling device for motor vehicles
CN102814101A (en) * 2012-07-26 2012-12-12 徐毅 Storage, transport and desorption application device for coal bed methane
CN102840443A (en) * 2012-09-15 2012-12-26 徐毅 Transporting and use method for absorbing coal bed gas with coal serving as medium
CN103352760A (en) * 2013-07-01 2013-10-16 中国科学院理化技术研究所 Compressed air energy storage power generation system adopting high-temperature gas-heat combined storage device
CN103353060A (en) * 2013-07-08 2013-10-16 中国科学院理化技术研究所 Constant-temperature gas storage system applied to compressed air energy storage power generation system
CN104421428A (en) * 2013-08-23 2015-03-18 通用汽车环球科技运作有限责任公司 Fluid storage tank
CN103822093A (en) * 2013-10-18 2014-05-28 中国石油化工股份有限公司 Natural gas adsorptive recycling method for compressed natural gas station
CN105090742A (en) * 2015-08-29 2015-11-25 华南理工大学 Adsorptive natural gas transporting tank for storing and transporting natural gas
CN105987279A (en) * 2016-04-01 2016-10-05 石家庄安瑞科气体机械有限公司 ANG transport cart
CN105987279B (en) * 2016-04-01 2018-09-11 石家庄安瑞科气体机械有限公司 A kind of ANG transport vehicles
CN117267092A (en) * 2023-07-31 2023-12-22 安徽华赛能源科技有限公司 Chamber type compressed air energy storage system and control method

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Open date: 20091230