CN105782708B - Liquefied natural gas movement filling vehicle tank internal pump structure - Google Patents

Liquefied natural gas movement filling vehicle tank internal pump structure Download PDF

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Publication number
CN105782708B
CN105782708B CN201610275660.XA CN201610275660A CN105782708B CN 105782708 B CN105782708 B CN 105782708B CN 201610275660 A CN201610275660 A CN 201610275660A CN 105782708 B CN105782708 B CN 105782708B
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CN
China
Prior art keywords
pump
pond
tank body
natural gas
liquefied natural
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.)
Active
Application number
CN201610275660.XA
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Chinese (zh)
Other versions
CN105782708A (en
Inventor
汪宇
武常生
赵子健
崔闻天
陈英加
刘泽林
陈杰
付彦超
白海亮
于淼
杨利芬
李桂苓
张娟
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.)
Xinxing Energy Equipment Co Ltd
Original Assignee
Xinxing Energy Equipment 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 Xinxing Energy Equipment Co Ltd filed Critical Xinxing Energy Equipment Co Ltd
Priority to CN201610275660.XA priority Critical patent/CN105782708B/en
Publication of CN105782708A publication Critical patent/CN105782708A/en
Application granted granted Critical
Publication of CN105782708B publication Critical patent/CN105782708B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/001—Thermal insulation specially adapted for cryogenic vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0391—Thermal insulations by vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0621—Single wall with three layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0135—Pumps
    • F17C2227/0142—Pumps with specified pump type, e.g. piston or impulsive type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0171—Arrangement
    • F17C2227/0178—Arrangement in the vessel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention discloses a kind of liquefied natural gas to move filling vehicle tank internal pump structure, belong to liquefied natural gas movement filling technical field of vehicle, including pump body structure and pump pond, one end closing in the pump pond, the other end and tank body welding, pump pond chuck layer is set to be connected to closing with tank body chuck layer, the inside for pumping pond is connected to the inside of tank body；The pump body structure includes pump and fixing device, and the pump is installed on the inside in pump pond by fixing device.The configuration of the present invention is simple is compact, and leaks that heat dissipation capacity is few, and static evaporation rate is small, can more preferably ensure equipment cryogenic property, securely and reliably, easy to use, work efficiency is high, occupies little space.

Description

Liquefied natural gas movement filling vehicle tank internal pump structure
Technical field
The present invention relates to liquefied natural gas to move filling technical field of vehicle.
Background technology
LNG（Liquefied natural gas）The practicability of mobile filling vehicle, safety increasingly attract attention.LNG movements at present add Note vehicle is pumped using external, and the structure in pond and tank body two body separation is pumped, and is pumped and is needed to pass through attachment device between pond and tank body The shortcomings that connection, this structure is that structure is too fat to move, and occupied space is big, and kerb weight is big, and it is few to fill LNG（Total quality is certain, if Standby quality is big, causes the LNG filled is opposite to reduce）, static evaporation rate height.
Therefore, how to provide a kind of simple and compact for structure, occupy little space, and leak that heat dissipation capacity is few, and static evaporation rate is small, It can more preferably ensure equipment cryogenic property, safer liquefied natural gas movement filling vehicle tank internal pump structure, is this field The technical issues of technical staff's urgent need to resolve.
Invention content
The technical problem to be solved in the present invention is to provide a kind of built-in pump configuration of liquefied natural gas movement filling vehicle, It is simple and compact for structure, and leak that heat dissipation capacity is few, and static evaporation rate is small, it can more preferably ensure equipment cryogenic property, securely and reliably, use Convenient, work efficiency is high, occupies little space.
In order to solve the above technical problems, the technical solution used in the present invention is：
Liquefied natural gas movement filling vehicle tank internal pump structure, including pump body structure and pump pond, the one end in the pump pond Closing, the other end and tank body welding, make pump pond chuck layer be connected to closing with tank body chuck layer, pump the inside in pond and the inside of tank body Connection；The pump body structure includes pump and fixing device, and the pump is installed on the inside in pump pond by fixing device.
Preferably, the pump pond is located at the lower section of tank body.
Preferably, it is described pump pond chuck layer inner layer outer wall on be attached on the inner layer outer wall of tank body chuck layer absolutely Hot material layer.
Preferably, the pump is wet-out pump.
Preferably, the pump body structure further includes outlet tube, gas phase pipe, vacuum shell and vacuum extractor, it is described to take out very Empty device is fixed on blind flange.
Preferably, the pump pond includes inner cylinder, outer barrel and flange, the inner cylinder is located inside outer barrel, and One end of the two is sealed by the flange welding, forms pump pond chuck layer, the other end of the inner cylinder and the content of tank body The wall of device welds, and inner cylinder is connected to the inner pressurd vessel of tank body, the device of the other end of the outer barrel and the outer container of tank body Wall welds, and outer barrel is connected to the outer container of tank body.
Preferably, the fixing device includes blind flange and fastener, the pump is fixed on the blind flange, described Blind flange coordinates with the flange, and is fixedly connected by the fastener, and the pump is located inside the inner cylinder in pump pond.
Preferably, the pump is fixed on by hanger on blind flange, the hanger includes four upright bars, the upright bar Upper end is fixedly connected by connecting plate with the upper end of the pump, and lower end and the blind flange of upright bar weld.
Preferably, being additionally provided with buttress between the pump and blind flange.
It is using advantageous effect caused by above-mentioned technical proposal：It is to use that LNG, which moves filling vehicle, in the prior art The shortcomings that external pumps, the structure in pump pond and tank body two body separation, this structure is that structure is too fat to move, and occupied space is big, reorganizes and outfit matter Amount is big, fills that LNG is few, and static evaporation rate is high.The present invention uses direct welding manner using the connection of pump pond and tank body, makes pump Pond chuck layer is directly connected to tank body chuck layer, need not reuse attachment device, and pump the inside in pond directly with tank body Internal to be directly connected to, simple and compact for structure, fixed reliably to occupy little space, kerb weight is small, and it is few to leak heat dissipation capacity, quiet State evaporation rate is small, can more preferably ensure equipment cryogenic property, safer.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the invention；
Fig. 2 is the structural schematic diagram of the pump body structure in Fig. 1；
Each figure number is entitled：1-outer barrel, 2-inner cylinders, 3-flanges, 4-outer containers, 5-inner pressurd vessels, 6-is adiabatic Material layer, 7-tank body chuck layers, 8-blind flanges, 9-fasteners, 10-outlet tubes, 11-pumps, 12-hangers, 13-gas phases Pipe, 14-buttresses, 15-vacuum shells, 16-vacuum extractors.
Specific implementation mode
Below in conjunction with the accompanying drawings and one embodiment the present invention is described in further detail.
The present invention includes pump body structure and pump pond, and the one end in the pump pond is closed, and the other end and tank body welding make pump pond press from both sides Jacket layer is connected to closing with tank body chuck layer 7, and the inside for pumping pond is connected to the inside of tank body, specifically, the pump pond includes inner cylinder Body 2, outer barrel 1 and flange 3, the inner cylinder 2 are located inside outer barrel 1, and one end of the two welded by the flange 3 it is close Envelope forms pump pond chuck layer, the wall welding of the other end of the inner cylinder 2 and the inner pressurd vessel 5 of tank body, and inner cylinder 2 and tank The inner pressurd vessel 5 of body is connected to, and the wall of the other end of the outer barrel 1 and the outer container 4 of tank body welds, and outer barrel 1 and tank body Outer container 4 be connected to；The pump body structure includes pump 11 and fixing device, and the pump 11 is installed on pump pond by fixing device Inside, specifically, the fixing device includes blind flange 8 and fastener 9, the pump 11 is fixed on the blind flange 8, described Blind flange 8 coordinates with the flange 3, and is fixedly connected by the fastener 9, and the pump 11 is located in the inner cylinder 2 in pump pond Portion.Pump pond chuck layer forms high vacuum with tank body chuck layer 7 interlayer after evacuated.
More specifically, the pump 11 is fixed on by hanger 12 on blind flange 8, and the hanger 12 includes four upright bars, institute The upper end for stating upright bar is fixedly connected by connecting plate with the upper end of the pump 11, and lower end and the blind flange 8 of upright bar weld；Pump 11 with Buttress 14 is additionally provided between blind flange 8.
The advantageous effect of above-mentioned apparatus is：It pumps pond and the connection of tank body uses direct welding manner, and pump pond is made to press from both sides Jacket layer is directly connected to tank body chuck layer, and the inside for pumping pond is directly directly connected to the inside of tank body, simple in structure tight It gathers, and leaks that heat dissipation capacity is few, and static evaporation rate is small, can more preferably ensure equipment cryogenic property, securely and reliably, easy to use, work It is efficient, it occupies little space.
Further, the pump pond is located at the lower section of tank body.Design is more reasonable, and operation is more convenient.
Further, it is attached with on the inner layer outer wall of tank body chuck layer 7 on the inner layer outer wall of the pump pond chuck layer Insulation material layer 6, i.e. insulation material layer 6 are located on the outer wall of the outer wall of the inner pressurd vessel 5 of tank body and the inner cylinder 2 in pump pond.It plays Heat-insulated, adiabatic effect.
Further, the pump 11 is wet-out pump.
Further, the pump body structure further includes outlet tube 10, gas phase pipe 13, vacuum shell 15 and vacuum extractor 16, The vacuum extractor 16 is fixed on blind flange 8.
Principle and implementation of the present invention are described for specific case used herein, and above example is said The bright method and its core concept for being merely used to help understand the present invention.It should be pointed out that for the ordinary skill of the art , without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for personnel, these improvement It is also fallen within the protection scope of the claims of the present invention with modification.

Claims (5)

1. liquefied natural gas movement filling vehicle tank internal pump structure, it is characterised in that：Including pump body structure and pump pond, the pump The one end in pond is closed, and the other end and tank body welding make pump pond chuck layer be connected to closing with tank body chuck layer (7), pump the inside in pond It is connected to the inside of tank body, the pump pond is located at the lower section of tank body；The pump body structure includes pumping (11) and fixing device, described Pump (11) is installed on the inside in pump pond by fixing device；The pump pond includes inner cylinder (2), outer barrel (1) and flange (3), The inner cylinder (2) is located at outer barrel (1) inside, and one end of the two passes through the flange (3) welded seal, forms pump pond folder The wall of jacket layer, the other end of the inner cylinder (2) and the inner pressurd vessel (5) of tank body welds, and the content of inner cylinder (2) and tank body Device (5) is connected to, and the wall of the other end of the outer barrel (1) and the outer container (4) of tank body welds, and outer barrel (1) and tank body Outer container (4) connection；The fixing device includes blind flange (8) and fastener (9), and the pump (11) is fixed on the flange It covers on (8), the blind flange (8) coordinates with the flange (3), and is fixedly connected by the fastener (9), the pump (11) Inner cylinder (2) positioned at pump pond is internal；The pump (11) is fixed on by hanger (12) on blind flange (8), the hanger (12) Including four upright bars, the upper end of the upright bar is fixedly connected by connecting plate with the upper end of the pump (11), the lower end of upright bar with Blind flange (8) welds.
2. liquefied natural gas movement filling vehicle tank internal pump structure according to claim 1, it is characterised in that：The pump On the inner layer outer wall of pond chuck layer with insulation material layer (6) is attached on the inner layer outer wall of tank body chuck layer (7).
3. liquefied natural gas movement filling vehicle tank internal pump structure according to claim 1, it is characterised in that：The pump (11) it is wet-out pump.
4. liquefied natural gas movement filling vehicle tank internal pump structure according to claim 3, it is characterised in that：The pump Body structure further includes outlet tube (10), gas phase pipe (13), vacuum shell (15) and vacuum extractor (16), the vacuum extractor (16) it is fixed on blind flange (8).
5. liquefied natural gas movement filling vehicle tank internal pump structure according to claim 1, it is characterised in that：The pump (11) buttress (14) is additionally provided between blind flange (8).
CN201610275660.XA 2016-04-29 2016-04-29 Liquefied natural gas movement filling vehicle tank internal pump structure Active CN105782708B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610275660.XA CN105782708B (en) 2016-04-29 2016-04-29 Liquefied natural gas movement filling vehicle tank internal pump structure

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Application Number Priority Date Filing Date Title
CN201610275660.XA CN105782708B (en) 2016-04-29 2016-04-29 Liquefied natural gas movement filling vehicle tank internal pump structure

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CN105782708B true CN105782708B (en) 2018-09-14

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106764416A (en) * 2016-12-20 2017-05-31 山东新兴重工科技发展有限公司 A kind of internal pump low-temperature storage tank
CN106523902A (en) * 2016-12-20 2017-03-22 山东新兴重工科技发展有限公司 Low-temperature liquid filling vehicle for built-in pump

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN203671239U (en) * 2014-01-15 2014-06-25 成都华气厚普机电设备股份有限公司 Skid-mounted gas charging device for storage tank with built-in cryopump
CN203671229U (en) * 2013-12-10 2014-06-25 安瑞科(廊坊)能源装备集成有限公司 Heat insulating container
CN203823425U (en) * 2014-05-08 2014-09-10 四川金科深冷设备工程有限公司 Internal pump type LNG (liquefied natural gas)storage tank
CN205716704U (en) * 2016-04-25 2016-11-23 佛山市朗太照明电器有限公司 A kind of LED track lamp

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Publication number Priority date Publication date Assignee Title
JPS62102000A (en) * 1985-10-30 1987-05-12 Hino Motors Ltd Take out device for fuel from low temperature liquefied gas tank
US20150276128A1 (en) * 2014-04-01 2015-10-01 Transfuels Retail Operations LLC Pump assembly for cryogenic liquid storage tank

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203671229U (en) * 2013-12-10 2014-06-25 安瑞科(廊坊)能源装备集成有限公司 Heat insulating container
CN203671239U (en) * 2014-01-15 2014-06-25 成都华气厚普机电设备股份有限公司 Skid-mounted gas charging device for storage tank with built-in cryopump
CN203823425U (en) * 2014-05-08 2014-09-10 四川金科深冷设备工程有限公司 Internal pump type LNG (liquefied natural gas)storage tank
CN205716704U (en) * 2016-04-25 2016-11-23 佛山市朗太照明电器有限公司 A kind of LED track lamp

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