CN107934260A - A kind of permanent protective property LNG cryogenic tank cases easy to remove - Google Patents

A kind of permanent protective property LNG cryogenic tank cases easy to remove Download PDF

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Publication number
CN107934260A
CN107934260A CN201711195098.0A CN201711195098A CN107934260A CN 107934260 A CN107934260 A CN 107934260A CN 201711195098 A CN201711195098 A CN 201711195098A CN 107934260 A CN107934260 A CN 107934260A
Authority
CN
China
Prior art keywords
tank body
temperature
temperature sensor
module
fire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711195098.0A
Other languages
Chinese (zh)
Inventor
孟勋
孟成君
张华�
何建军
郑锡山
钱旗
许春花
吴婷婷
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.)
Jiangsu Hantong Ship Heavy Industry Co Ltd
Original Assignee
Jiangsu Hantong Ship Heavy Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Hantong Ship Heavy Industry Co Ltd filed Critical Jiangsu Hantong Ship Heavy Industry Co Ltd
Priority to CN201711195098.0A priority Critical patent/CN107934260A/en
Publication of CN107934260A publication Critical patent/CN107934260A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/48—Arrangements of indicating or measuring devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/02—Wall construction
    • B65D90/022—Laminated structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/12—Supports
    • B65D90/20—Frames or nets, e.g. for flexible containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/48—Arrangements of indicating or measuring devices
    • B65D90/50—Arrangements of indicating or measuring devices of leakage-indicating devices

Abstract

The invention belongs to LNG low-temperature storage tank technical fields; a kind of more particularly to permanent protective property LNG cryogenic tank cases easy to remove; play corner load-bearing frame, level monitoring device, self-supercharging device, leakage monitoring device, PLC control devices and the cold-keeping device of protection and lifting including tank body, tank body surrounding, the corner load-bearing frame bottom is equipped with universal wheel；Tank body is surrounded by corner load-bearing frame, plays protection tank body and lifting, corner load-bearing frame are equipped with universal wheel, are moved easily, filling is easy, substantially reduces security risk；Leakage monitoring device, judges whether to reveal by detecting pot temperature and ambient temperature difference, simple in structure, and monitoring accuracy is high, reduces disclosure risk；Liquid level in level monitoring device monitoring tank body, measurement is accurate, improves the security performance of tank body；Cold insulation structure is provided with beneficial to the low temperature environment kept in tank body；Overall structure is simple, and design is reasonable, and security performance is high.

Description

A kind of permanent protective property LNG cryogenic tank cases easy to remove
Technical field
The invention belongs to LNG cryogenic tank case technical fields, more particularly to a kind of permanent protective property LNG cryogenic tanks easy to remove Case.
Background technology
The transport of natural gas relies primarily on pipeline both at home and abroad at present, compares evil for remote mountain village or ambient conditions Bad place, the place that pipeline can not reach, the selection that the transport of LNG tank case, conveying will be good；Current country LNG cryogenic tanks Case is also in the elementary step, technology, production etc. also in successive optimization.Existing LNG cryogenic tank cases are divided to two kinds, and one kind is fixed , another kind is portable, and after fixed LNG cryogenic tank cases fuel is finished, landing stage or LNG cryostat,s are filled with LNG Car re-starts it filling, but landing stage investment is too big, and cost is higher, while there is also security risk.
The content of the invention
Goal of the invention：In order to overcome problem above, the object of the present invention is to provide a kind of permanent protective property LNG easy to remove Cryogenic tank case.
Technical solution：A kind of permanent protective property LNG cryogenic tank cases easy to remove of the present invention, including tank body, tank body Corner load-bearing frame, level monitoring device, self-supercharging device, leakage monitoring device, the PLC that surrounding plays protection and lifting are controlled Device and cold-keeping device processed, the corner load-bearing frame bottom are equipped with universal wheel；
The tank body includes inner tank body and outer tank body, and cavity is equipped between the inner tank body and outer tank body；
The level monitoring device includes level monitoring pipeline, regulation safety valve, the liquid being arranged on the cold pipe of the level monitoring Position meter, liquid level sensor, pressure gauge and first pressure sensor, the liquid level gauge, liquid level sensor, pressure gauge and first pressure Sensor is connected with PLC control devices；
The self-supercharging device is included from pressure piping, is arranged on from the expansion box on pressure piping, the first pneumatic operated valve, supercharging Valve, booster pump and from booster gasification apparatus；The expansion box is internally provided with second pressure sensor, the second pressure sensing Device, regulating valve, pressure charging valve, booster pump and booster gasification apparatus are connected with PLC control devices；
If the leakage monitoring device includes display module, dry temperature sensor and alarm module, the display module, temperature pass Sensor is connected with alarm module with PLC control devices, if temperature value is transferred to PLC control dresses by the dry temperature sensor Put, testing result is transferred to display module and is shown by the PLC control devices；
The PLC control devices are arranged on the load-bearing frame of corner；
The cold-keeping device include being arranged between inner tank body and outer tank body the first cold insulation structure between cavity upper and lower ends and It is arranged on the second cold insulation structure of cavity left and right ends.
Preferably, fire control unit is further included, the fire control unit includes sensing module, fire extinguisher and fire extinguishing control Molding block, the sensing module include flame detector and temperature sensor, for detecting temperature and flame and producing temperature letter Number and flare up fire, fire extinguisher include some fire extinguisher bodies and extinguishing chemical conveyance conduit and conveyance conduit on control valve, institute State fire extinguishing control module and connect sensing module and fire extinguisher respectively, receive temperature signal and flame letter that the sensing module produces Number, and the corresponding control valve of selective startup fire extinguisher, the sensing module, fire extinguisher and fire extinguishing control module are and PLC Control device connects.
Preferably, if the dry temperature sensor includes the first temperature sensor, second temperature sensor, the 3rd temperature and passes Sensor and the 4th temperature sensor, first temperature sensor, second temperature sensor, three-temperature sensor are arranged at In cavity between inner tank body and outer tank body, the 4th temperature sensor is arranged on temperature monitoring pipeline, the temperature prison Test tube road is equipped with the second pneumatic operated valve, and the temperature monitoring pipeline is arranged at 90% position of inner tank body geometric volume.
Preferably, first temperature sensor is set at 80% position of inner tank body geometric volume, the second temperature sensing Device is arranged at 20% position of inner tank body geometric volume, and the three-temperature sensor sets the first temperature sensor and the second temperature Spend between sensor.
Preferably, if being equipped with radio receiving transmitting module, control module and temperature detecting module on the dry temperature sensor, The temperature detecting module detection temperature value is simultaneously transferred to control module, when temperature value is in normal range (NR), the control module Control radio receiving transmitting module dormancy.
Preferably, first cold insulation structure includes flexible glass fibre layer, height successively from inner tank body to outer tank body direction Strength-Glass-Fibre layer, expanded pearlite rock stratum and polyurethane foaming layer, pass through binding agent between each layer and paste connection.Spring glass Fibrous layer provides elasticity for expanded pearlite rock stratum, prevents or reduce the sedimentation of perlite, binding agent have it is good moisture-proof and every Gas performance.
Preferably, second cold insulation structure includes flexible glass fibre layer, height successively from inner tank body to outer tank body direction Strength-Glass-Fibre layer and polyurethane foaming layer, pass through binding agent between each layer and paste connection.Flexible glass fibre layer is offer Polyurethane foaming layer elasticity, binding agent have good moisture-proof and trapping performance.
Preferably, the inner tank body material uses 30408 stainless steel makings, and the outer tank body material is 16MnDR low temperature Steel making.Meet -40 degree operating temperatures.
Above-mentioned technical proposal can be seen that the present invention and have the advantages that：Height easy to remove of the present invention Protective LNG cryogenic tank cases, compared with prior art, have the advantages that：Tank body is surrounded by corner load-bearing frame, rises and protects Tank body and lifting effect are protected, corner load-bearing frame is equipped with universal wheel, is moved easily, and filling is easy, substantially reduces security risk；Let out Reveal monitoring device, judge whether to reveal by detecting pot temperature and ambient temperature difference, simple in structure, monitoring accuracy is high, Reduce disclosure risk；Liquid level in level monitoring device monitoring tank body, measurement is accurate, improves the security performance of tank body；Cold insulation knot Structure is provided with beneficial to the low temperature environment kept in tank body；Overall structure is simple, and design is reasonable, and security performance is high.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the PLC control device control principle structure charts of the present invention.
In figure：1- inner tank bodys, 2- outer tank bodies, 3- temperature monitoring pipelines, the first temperature sensors of 4-, 5- second temperatures sensing Device, 6- three-temperature sensors, the 4th temperature sensors of 7-, the second pneumatic operated valves of 8-, the first pneumatic operated valves of 9-, 10- corners load frame Frame, 11- expansion boxes, 12- second pressure sensors, 13- booster pumps, 14- booster gasification apparatus, 15- pressure charging valves, 16- are pressurized certainly Pipeline, the first cold insulation structures of 17-, the second cold insulation structures of 18-, 19- universal wheels, 20-PLC control devices, 21- display modules, 22- Alarm module, 23- cavitys, 24- level monitoring pipelines, 25- liquid level gauges, 26- liquid level sensors, 27- pressure gauges, 28- first are pressed Force snesor, 29- control modules, 30- radio receiving transmitting modules, 31- temperature detecting modules, 32- fire control units, 33- sensings Module, 34- fire extinguishers, 35- fire extinguishing control modules.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated.
Embodiment 1
As shown in Figs. 1-2, a kind of permanent protective property LNG cryogenic tank cases easy to remove described in the present embodiment, including tank body, tank Body surrounding serve protection and the corner load-bearing frame 10 of lifting, level monitoring device, self-supercharging device, leakage monitoring device, PLC control devices 20 and cold-keeping device, 10 bottom of corner load-bearing frame are equipped with universal wheel 19；
The tank body includes inner tank body 1 and outer tank body 2, and cavity 23 is equipped between the inner tank body 1 and outer tank body 2；
The level monitoring device includes level monitoring pipeline 24, the adjusting safety being arranged on the cold pipe 24 of the level monitoring Valve, liquid level gauge 25, liquid level sensor 26, pressure gauge 27 and first pressure sensor 28, the liquid level gauge 25, liquid level sensor 26th, pressure gauge 27 and first pressure sensor 28 are connected with PLC control devices 20；
The self-supercharging device is included from pressure piping 16, is arranged on from the expansion box 11 on pressure piping 16, the first pneumatic operated valve 9th, pressure charging valve 15, booster pump 13 and from booster gasification apparatus 14；The expansion box 11 is internally provided with second pressure sensor 12, institute State second pressure sensor 12, regulating valve 9, pressure charging valve 15, booster pump 13 and booster gasification apparatus 14 and PLC control devices 20 Connection；
If the leakage monitoring device includes display module 21, dry temperature sensor and alarm module 22, the display module 21, Temperature sensor and alarm module 22 are connected with PLC control devices 20, if temperature value is transferred to by the dry temperature sensor Testing result is transferred to display module 21 and is shown by PLC control devices 20, the PLC control devices 20；
The PLC control devices 20 are arranged on corner load-bearing frame 10；
The cold-keeping device includes the first cold insulation knot being arranged between inner tank body 1 and outer tank body 2 between 23 upper and lower ends of cavity Structure 17 and the second cold insulation structure 18 for being arranged on 23 left and right ends of cavity.
Fire control unit 32 is further included, the fire control unit 32 includes sensing module 33, fire extinguisher 34 and fire extinguishing Control module 35, the sensing module 33 include flame detector and temperature sensor, for detecting temperature and flame and producing Temperature signal and flare up fire, fire extinguisher 34 include the control in some fire extinguisher bodies and extinguishing chemical conveyance conduit and conveyance conduit Valve processed, the fire extinguishing control module 35 connect sensing module 33 and fire extinguisher 34, receive what the sensing module 33 produced respectively Temperature signal and flare up fire, and the corresponding control valve of selective startup fire extinguisher 34, the sensing module 33, fire extinguisher 34 Connected with fire extinguishing control module 35 with PLC control devices 20.
If the dry temperature sensor includes the first temperature sensor 4, second temperature sensor 5, three-temperature sensor 6 With the 4th temperature sensor 7, first temperature sensor 4, second temperature sensor 5, three-temperature sensor 6 are arranged at In cavity 23 between inner tank body 1 and outer tank body 2, the 4th temperature sensor 7 is arranged on temperature monitoring pipeline 3, described Temperature monitoring pipeline 3 is equipped with the second pneumatic operated valve 8, and the temperature monitoring pipeline 3 is arranged on 1 geometric volume of inner tank body, 90% position Place.
First temperature sensor 4 is set at 1 geometric volume of inner tank body, 80% position, and the second temperature sensor 5 is set Put at 1 geometric volume of inner tank body, 20% position, the three-temperature sensor 6 sets the first temperature sensor 4 and second temperature Between sensor 5.
If being equipped with radio receiving transmitting module 30, control module 29 and temperature detecting module 31 on the dry temperature sensor, The 31 detection temperature value of temperature detecting module is simultaneously transferred to control module 29, when temperature value is in normal range (NR), the control Module 29 controls wireless receiving and dispatching 30 pieces of dormancy of mould.
First cold insulation structure 17 includes flexible glass fibre layer, high intensity successively from inner tank body 1 to 2 direction of outer tank body Glass layer, expanded pearlite rock stratum and polyurethane foaming layer, pass through binding agent between each layer and paste connection.Flexible glass fibre Layer provides elasticity for expanded pearlite rock stratum, prevents or reduce the sedimentation of perlite, and binding agent has good moisture-proof and gas barrier properties Energy.
Second cold insulation structure 18 includes flexible glass fibre layer, high intensity successively from inner tank body 1 to 2 direction of outer tank body Glass layer and polyurethane foaming layer, pass through binding agent between each layer and paste connection.Flexible glass fibre layer is the poly- ammonia of offer Ester foaming layer elasticity, binding agent have good moisture-proof and trapping performance.
1 material of inner tank body uses 30408 stainless steel makings, and 2 material of outer tank body is 16MnDR low temperature steels Make.Meet -40 degree operating temperatures.
LNG cryogenic tank cases staving circumferential weld of the present invention uses argonaut welding, improves work efficiency；It is main to load LCO2/LO2、LN2、LAr、LC2H4、LNG、LH2Deng mixture condition temperature：- 40/-196/-162/-252 degree, inner cylinder is by twining Around, then throw cover, vacuumize, interlayer spacing control reach cryogenic tank case requirement, tank body surrounding had protect and lifting act on Corner is into vertical frame, available for highway, railway and water transportation.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the principle of the present invention, some improvement can also be made, these improvement also should be regarded as the present invention's Protection domain.

Claims (8)

  1. A kind of 1. permanent protective property LNG cryogenic tank cases easy to remove, it is characterised in that：Including tank body, tank body surrounding rise protection and Corner load-bearing frame, level monitoring device, self-supercharging device, leakage monitoring device, PLC control devices and the cold insulation of lifting effect Device, the corner load-bearing frame bottom are equipped with universal wheel；
    The tank body includes inner tank body and outer tank body, and cavity is equipped between the inner tank body and outer tank body；
    The level monitoring device includes level monitoring pipeline, regulation safety valve, the liquid being arranged on the cold pipe of the level monitoring Position meter, liquid level sensor, pressure gauge and first pressure sensor, the liquid level gauge, liquid level sensor, pressure gauge and first pressure Sensor is connected with PLC control devices；
    The self-supercharging device is included from pressure piping, is arranged on from the expansion box on pressure piping, the first pneumatic operated valve, supercharging Valve, booster pump and from booster gasification apparatus；The expansion box is internally provided with second pressure sensor, the second pressure sensing Device, regulating valve, pressure charging valve, booster pump and booster gasification apparatus are connected with PLC control devices；
    If the leakage monitoring device includes display module, dry temperature sensor and alarm module, the display module, temperature pass Sensor is connected with alarm module with PLC control devices, if temperature value is transferred to PLC control dresses by the dry temperature sensor Put, testing result is transferred to display module and is shown by the PLC control devices；
    The PLC control devices are arranged on the load-bearing frame of corner；
    The cold-keeping device include being arranged between inner tank body and outer tank body the first cold insulation structure between cavity upper and lower ends and It is arranged on the second cold insulation structure of cavity left and right ends.
  2. A kind of 2. permanent protective property LNG cryogenic tank cases easy to remove according to claim 1, it is characterised in that：Further include Fire control unit, the fire control unit include sensing module, fire extinguisher and fire extinguishing control module, the sensing module bag Flame detector and temperature sensor are included, for detecting temperature and flame and producing temperature signal and flare up fire, fire extinguisher bag The control valve in some fire extinguisher bodies and extinguishing chemical conveyance conduit and conveyance conduit is included, the fire extinguishing control module connects respectively Sensing module and fire extinguisher, receive temperature signal and flare up fire that the sensing module produces, and selective startup is put out a fire The corresponding control valve of device, the sensing module, fire extinguisher are connected with fire extinguishing control module with PLC control devices.
  3. A kind of 3. permanent protective property LNG cryogenic tank cases easy to remove according to claim 1 or 2, it is characterised in that：It is described If dry temperature sensor includes the first temperature sensor, second temperature sensor, three-temperature sensor and the 4th temperature sensing Device, first temperature sensor, second temperature sensor, three-temperature sensor are arranged between inner tank body and outer tank body Cavity in, the 4th temperature sensor is arranged on temperature monitoring pipeline, and the temperature monitoring pipeline is equipped with the second gas Dynamic valve, the temperature monitoring pipeline are arranged at 90% position of inner tank body geometric volume.
  4. A kind of 4. permanent protective property LNG cryogenic tank cases easy to remove according to claim 3, it is characterised in that：Described One temperature sensor is set at 80% position of inner tank body geometric volume, and the second temperature sensor is arranged on inner tank body geometry appearance At 20% position of product, the three-temperature sensor is set between the first temperature sensor and second temperature sensor.
  5. A kind of 5. permanent protective property LNG cryogenic tank cases easy to remove according to claim 4, it is characterised in that：It is if described Radio receiving transmitting module, control module and temperature detecting module, the temperature detecting module detection are equipped with dry temperature sensor Temperature value is simultaneously transferred to control module, and when temperature value is in normal range (NR), the control module controls radio receiving transmitting module dormancy.
  6. A kind of 6. permanent protective property LNG cryogenic tank cases easy to remove according to claim 1, it is characterised in that：Described One cold insulation structure includes flexible glass fibre layer, high strength glass fiber layer, expansion treasure from inner tank body to outer tank body direction successively Pearl rock stratum and polyurethane foaming layer, pass through binding agent between each layer and paste connection.
  7. A kind of 7. permanent protective property LNG cryogenic tank cases easy to remove according to claim 1, it is characterised in that：Described Two cold insulation structures include flexible glass fibre layer, high strength glass fiber layer and polyurethane successively from inner tank body to outer tank body direction Foaming layer, passes through binding agent between each layer and pastes connection.
  8. A kind of 8. permanent protective property LNG cryogenic tank cases easy to remove according to claim 1, it is characterised in that：In described Tank body material uses 30408 stainless steel makings, and the outer tank body material is 16MnDR low temperature steel makings.
CN201711195098.0A 2017-11-24 2017-11-24 A kind of permanent protective property LNG cryogenic tank cases easy to remove Pending CN107934260A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711195098.0A CN107934260A (en) 2017-11-24 2017-11-24 A kind of permanent protective property LNG cryogenic tank cases easy to remove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711195098.0A CN107934260A (en) 2017-11-24 2017-11-24 A kind of permanent protective property LNG cryogenic tank cases easy to remove

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Publication Number Publication Date
CN107934260A true CN107934260A (en) 2018-04-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110254987A (en) * 2019-06-20 2019-09-20 安徽佳源油脂有限公司 A kind of low-power consumption vacuum cold edible oil storage tank
CN112253997A (en) * 2020-10-22 2021-01-22 长春工业大学 Ethylene storage device

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Publication number Priority date Publication date Assignee Title
CN110254987A (en) * 2019-06-20 2019-09-20 安徽佳源油脂有限公司 A kind of low-power consumption vacuum cold edible oil storage tank
CN112253997A (en) * 2020-10-22 2021-01-22 长春工业大学 Ethylene storage device

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Application publication date: 20180420