CN105782708A - Tank internally-arranged pump structure of liquefied natural gas mobile filling vehicle - Google Patents
Tank internally-arranged pump structure of liquefied natural gas mobile filling vehicle Download PDFInfo
- Publication number
- CN105782708A CN105782708A CN201610275660.XA CN201610275660A CN105782708A CN 105782708 A CN105782708 A CN 105782708A CN 201610275660 A CN201610275660 A CN 201610275660A CN 105782708 A CN105782708 A CN 105782708A
- Authority
- CN
- China
- Prior art keywords
- pump
- tank body
- natural gas
- liquefied natural
- filling vehicle
- 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.)
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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 tank internally-arranged pump structure of a liquefied natural gas mobile filling vehicle, and belongs to the technical field of liquefied natural gas mobile filling vehicles. The tank internally-arranged pump structure comprises a pump body structure body and a pump pool; one end of the pump pool is closed, the other end of the pump pool and a tank are welded, a pump pool jacket layer and a tank jacket layer are communicated to be closed, and the interior of the pump pool and the interior of the tank are communicated; and the pump body structure body comprises a pump and a fixing device, and the pump is mounted inside the pump pool through the fixing device. The tank internally-arranged pump structure is simple and compact in structure, leaked and radiated heat is small, the static evaporation rate is small, the equipment low-temperature performance can be better ensured, and the structure is safe, reliable, convenient to use, high in work efficiency and small in occupied space.
Description
Technical field
The present invention relates to liquefied natural gas and move filling technical field of vehicle.
Background technology
LNG(liquefied natural gas) the mobile practicality of filling vehicle, safety increasingly receive publicity.It is all adopt external pump that current LNG moves filling vehicle, the structure of pump pond and tank body two body separation, require over connecting device between pump pond and tank body to be connected, the shortcoming of this structure is that structure is too fat to move, takes up room big, and kerb weight is big, filling LNG, few (total quality is certain, equipment quality is big, causes the LNG filled relatively to reduce), static evaporation rate is high.
Therefore, how to provide a kind of simple and compact for structure, take up room little, and it is few to leak heat dissipation capacity, and static evaporation rate is little, can better ensure equipment cryogenic property, safer liquefied natural gas moves filling vehicle tank body internal pump structure, is that those skilled in the art need badly and solve the technical problem that.
Summary of the invention
The technical problem to be solved in the present invention, is to provide a kind of liquefied natural gas and moves the internal pump structure of filling vehicle, and it is simple and compact for structure, and it is few to leak heat dissipation capacity, static evaporation rate is little, can better ensure equipment cryogenic property, safe and reliable, easy to use, work efficiency is high, takes up room little.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
Liquefied natural gas moves filling vehicle tank body internal pump structure, including pump body structure and pump pond, one end closing in described pump pond, the other end and tank body welding, makes pump pond chuck layer connect closing with tank body chuck layer, and the inside in pump pond connects with the inside of tank body；Described pump body structure includes pump and fixing device, and described pump is installed on the inside in pump pond by fixing device.
As preferably, described pump pond is positioned at the lower section of tank body.
As preferably, the inner layer outer wall of described pump pond chuck layer being all attached with insulation material layer with on the inner layer outer wall of tank body chuck layer.
As preferably, described pump is wet-out pump.
As preferably, described pump body structure also includes drain pipe, gas phase pipe, vacuum shell and vacuum extractor, and described vacuum extractor is fixed on blind flange.
As preferably, described pump pond includes inner barrel, outer cylinder body and flange, described inner barrel is positioned at inside outer cylinder body, and the one end of the two is sealed by described flange welding, forming pump pond chuck layer, the other end of described inner barrel welds with the wall of the inner pressurd vessel of tank body, and inner barrel connects with the inner pressurd vessel of tank body, the other end of described outer cylinder body welds with the wall of the outer container of tank body, and outer cylinder body connects with the outer container of tank body.
As preferably, described fixing device includes blind flange and securing member, and described pump is fixed on described blind flange, and described blind flange coordinates with described flange, and connects by described securing member is fixing, and described pump is positioned at inside the inner barrel in pump pond.
As preferably, described pump is fixed on blind flange by suspension bracket, and described suspension bracket includes four vertical rods, and the upper end of described vertical rod is connected by connecting plate is fixing with the upper end of described pump, and the lower end of vertical rod is welded with blind flange.
As preferably, being additionally provided with buttress between described pump and blind flange.
Adopt and have the beneficial effects that produced by technique scheme: in prior art, LNG moves filling vehicle is all the structure adopting external pump, pump pond and tank body two body separation, and the shortcoming of this structure is that structure is too fat to move, take up room big, kerb weight is big, fills LNG few, and static evaporation rate is high.What the present invention adopted pump pond and tank body is connected by direct welding manner, make pump pond chuck layer directly connect with tank body chuck layer, it is not necessary to re-use connecting device, and the inside in pump pond directly directly connects with the inside of tank body, it is simple and compact for structure, fixing reliable, take up room little, kerb weight is little, and it is few to leak heat dissipation capacity, static evaporation rate is little, can better ensure equipment cryogenic property, safer.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention；
Fig. 2 is the structural representation of the pump body structure in Fig. 1；
Each figure number name is called: 1 outer cylinder body, 2 inner barrels, 3 flanges, 4 outer containers, 5 inner pressurd vessels, 6 insulation material layers, 7 tank body chuck layers, 8 blind flanges, 9 securing members, 10 drain pipes, 11 pumps, 12 suspension brackets, 13 gas phase pipes, 14 buttresses, 15 vacuum shell, 16 vacuum extractors.
Detailed description of the invention
Below in conjunction with accompanying drawing and an embodiment, the present invention is further detailed explanation.
The present invention includes pump body structure and pump pond, the one end in described pump pond is closed, the other end and tank body welding, pump pond chuck layer is made to connect closing with tank body chuck layer 7, the inside in pump pond connects with the inside of tank body, concrete, described pump pond includes inner barrel 2, outer cylinder body 1 and flange 3, it is internal that described inner barrel 2 is positioned at outer cylinder body 1, and the one end of the two is by described flange 3 welded seal, form pump pond chuck layer, the other end of described inner barrel 2 welds with the wall of the inner pressurd vessel 5 of tank body, and inner barrel 2 connects with the inner pressurd vessel 5 of tank body, the other end of described outer cylinder body 1 welds with the wall of the outer container 4 of tank body, and outer cylinder body 1 connects with the outer container 4 of tank body；Described pump body structure includes pump 11 and fixing device, described pump 11 is installed on the inside in pump pond by fixing device, concrete, described fixing device includes blind flange 8 and securing member 9, described pump 11 is fixed on described blind flange 8, described blind flange 8 coordinates with described flange 3, and connects by described securing member 9 is fixing, and the inner barrel 2 that described pump 11 is positioned at pump pond is internal.Pump pond chuck layer and tank body chuck layer 7 form the interlayer of fine vacuum after evacuated.
More specifically, described pump 11 is fixed on blind flange 8 by suspension bracket 12, and described suspension bracket 12 includes four vertical rods, and the upper end of described vertical rod is connected by connecting plate is fixing with the upper end of described pump 11, and the lower end of vertical rod is welded with blind flange 8；Buttress 14 it is additionally provided with between pump 11 and blind flange 8.
Having the beneficial effects that of said apparatus: its pump pond is connected by direct welding manner with tank body, pump pond chuck layer is made directly to connect with tank body chuck layer, and the inside in pump pond directly directly connects with the inside of tank body, and it is simple and compact for structure, and it is few to leak heat dissipation capacity, static evaporation rate is little, can better ensure equipment cryogenic property, safe and reliable, easy to use, work efficiency is high, takes up room little.
Further, described pump pond is positioned at the lower section of tank body.Design is more reasonable, more convenient to operate.
Further, the inner layer outer wall of described pump pond chuck layer being all attached with insulation material layer 6 with on the inner layer outer wall of tank body chuck layer 7, namely insulation material layer 6 is positioned on the outer wall of the outer wall of the inner pressurd vessel 5 of tank body and the inner barrel 2 in pump pond.Play heat insulation, adiabatic effect.
Further, described pump 11 is wet-out pump.
Further, described pump body structure also includes drain pipe 10, gas phase pipe 13, vacuum shell 15 and vacuum extractor 16, and described vacuum extractor 16 is fixed on blind flange 8.
Principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention carries out some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Claims (9)
1. liquefied natural gas moves filling vehicle tank body internal pump structure, it is characterized in that: include pump body structure and pump pond, the one end in described pump pond is closed, the other end and tank body welding, making pump pond chuck layer connect closing with tank body chuck layer (7), the inside in pump pond connects with the inside of tank body；Described pump body structure includes pump (11) and fixing device, and described pump (11) is installed on the inside in pump pond by fixing device.
2. liquefied natural gas according to claim 1 moves filling vehicle tank body internal pump structure, it is characterised in that: described pump pond is positioned at the lower section of tank body.
3. liquefied natural gas according to claim 1 moves filling vehicle tank body internal pump structure, it is characterised in that: the inner layer outer wall of described pump pond chuck layer is all attached with insulation material layer (6) with on the inner layer outer wall of tank body chuck layer (7).
4. liquefied natural gas according to claim 1 moves filling vehicle tank body internal pump structure, it is characterised in that: described pump (11) is wet-out pump.
5. liquefied natural gas according to claim 4 moves filling vehicle tank body internal pump structure, it is characterized in that: described pump body structure also includes drain pipe (10), gas phase pipe (13), vacuum shell (15) and vacuum extractor (16), and described vacuum extractor (16) is fixed on blind flange (8).
6. liquefied natural gas according to claim 1 moves filling vehicle tank body internal pump structure, it is characterized in that: described pump pond includes inner barrel (2), outer cylinder body (1) and flange (3), it is internal that described inner barrel (2) is positioned at outer cylinder body (1), and the one end of the two is by described flange (3) welded seal, form pump pond chuck layer, the other end of described inner barrel (2) welds with the wall of the inner pressurd vessel (5) of tank body, and inner barrel (2) connects with the inner pressurd vessel (5) of tank body, the other end of described outer cylinder body (1) welds with the wall of the outer container (4) of tank body, and outer cylinder body (1) connects with the outer container (4) of tank body.
7. liquefied natural gas according to claim 6 moves filling vehicle tank body internal pump structure, it is characterized in that: described fixing device includes blind flange (8) and securing member (9), described pump (11) is fixed on described blind flange (8), described blind flange (8) coordinates with described flange (3), and connect by described securing member (9) is fixing, the inner barrel (2) that described pump (11) is positioned at pump pond is internal.
8. liquefied natural gas according to claim 7 moves filling vehicle tank body internal pump structure, it is characterized in that: described pump (11) is fixed on blind flange (8) by suspension bracket (12), described suspension bracket (12) includes four vertical rods, the upper end of described vertical rod is connected by connecting plate is fixing with the upper end of described pump (11), and the lower end of vertical rod is welded with blind flange (8).
9. liquefied natural gas according to claim 8 moves filling vehicle tank body internal pump structure, it is characterised in that: it is additionally provided with buttress (14) between described pump (11) and blind flange (8).
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105782708A true CN105782708A (en) | 2016-07-20 |
| CN105782708B CN105782708B (en) | 2018-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610275660.XA Active CN105782708B (en) | 2016-04-29 | 2016-04-29 | Liquefied natural gas movement filling vehicle tank internal pump structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105782708B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Citations (6)
| 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 |
| 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 |
| US20150276128A1 (en) * | 2014-04-01 | 2015-10-01 | Transfuels Retail Operations LLC | Pump assembly for cryogenic liquid 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 |
-
2016
- 2016-04-29 CN CN201610275660.XA patent/CN105782708B/en active Active
Patent Citations (6)
| 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 |
| 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 |
| US20150276128A1 (en) * | 2014-04-01 | 2015-10-01 | Transfuels Retail Operations LLC | Pump assembly for cryogenic liquid storage tank |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105782708B (en) | 2018-09-14 |
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