CN110107807A - Cryogenic pump sump - Google Patents
Cryogenic pump sump Download PDFInfo
- Publication number
- CN110107807A CN110107807A CN201910288083.1A CN201910288083A CN110107807A CN 110107807 A CN110107807 A CN 110107807A CN 201910288083 A CN201910288083 A CN 201910288083A CN 110107807 A CN110107807 A CN 110107807A
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- China
- Prior art keywords
- main body
- tank main
- pump
- pump tank
- tube
- 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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- 239000007788 liquid Substances 0.000 claims abstract description 65
- 238000007599 discharging Methods 0.000 claims abstract description 39
- 239000011229 interlayer Substances 0.000 claims abstract description 17
- 238000003795 desorption Methods 0.000 claims description 20
- 230000003447 ipsilateral effect Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 239000003949 liquefied natural gas Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/005—Pipe-line systems for a two-phase gas-liquid flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention provides a kind of cryogenic pump sumps, and including pump tank main body and the integrated pipeline for being set to pump tank main body side, pump tank main body side is equipped with an aperture, and integrated pipeline passes through aperture and pumps and is connected to inside tank main body.Integrated pipeline includes liquid discharging tube, outer tube and bleeder pipe.Liquid discharging tube is arranged in the aperture of pump tank main body and is connected with the liquid Space of pump tank main body；The end of liquid discharging tube has a discharge outlet, and discharge outlet is in communication with the outside；Outer tube sleeve is set to the periphery of liquid discharging tube；There is gap between the inner wall of outer tube and the outer wall of liquid discharging tube and form interlayer space, the inner end of outer tube is arranged in the aperture of pump tank main body, and interlayer space is connected with the gas-phase space of pump tank main body, and interlayer space is closed in the outer end of outer tube；And bleeder pipe, it is connected with interlayer space；The end of bleeder pipe is connected with discharge outlet.
Description
Technical field
The present invention relates to low-temperature pressure container technical field, in particular to a kind of cryogenic pump sump.
Background technique
With the protrusion of environmental protection problem, variation occurs for world energy sources structure, and share shared by clean energy resource is more next
It is bigger.Liquefied natural gas (LNG) substitutes clean fuel as a kind of automobile, obtains more and more extensive utilization.Currently, in highway
Along the line and a large amount of LNG fueling station has been built in various regions, for using the automobile of LNG to be filled.The key equipment of LNG fueling station
It is the cryogenic pump sump for conveying LNG.Wherein, the safety release pipeline of cryogenic pump sump, pressure pressure pipeline, blowdown piping and put before pump
The pipelines such as liquid pipeline are typically designed to multichannel, and the pump pond for being set to cryogenic pump sump covers, so that pump pond covers the pipeline mistake in face
More, causing cryogenic pump sump, structure is complicated, and it is more difficult to repair.
Summary of the invention
The cryogenic pump sump that simple, maintenance that the purpose of the present invention is to provide a kind of structures is easier to, to solve in the prior art
Structure is complicated for cryogenic pump sump, repairs more difficult problem.
In order to solve the above technical problems, the present invention provides a kind of cryogenic pump sump, comprising: include: to pump tank main body and be set to
The integrated pipeline of the pump tank main body side, the pump tank main body side are equipped with an aperture, and the integrated pipeline passes through described open
It is connected to inside hole and the pump tank main body；The integrated pipeline includes: liquid discharging tube, is arranged in the aperture of the pump tank main body simultaneously
It is connected with the liquid Space of the pump tank main body；The end of the liquid discharging tube has a discharge outlet, the discharge outlet and the external world
Connection；Outer tube is sheathed on the periphery of the liquid discharging tube；There is gap between the inner wall of the outer tube and the outer wall of the liquid discharging tube
And form interlayer space, the inner end of the outer tube be arranged in it is described pump tank main body aperture in, and the interlayer space with it is described
The gas-phase space of pump tank main body is connected, and the interlayer space is closed in the outer end of the outer tube；And bleeder pipe, with the interlayer
Space is connected；The end of the bleeder pipe is connected with the discharge outlet.
In a wherein embodiment, the liquid discharging tube is connected by an extension with the liquid Space of the pump tank main body
Logical, the extension is connected with the liquid discharging tube and extends downward into the bottom of the pump tank main body.
In a wherein embodiment, the extension includes being connected to the vertical portion of the liquid discharging tube and being connected to described
The rake of vertical portion bottom end, the vertical portion are parallel to the axis of the pump tank main body, the rake and the vertical portion
Bottom end connect and tilt down extend to it is described pump tank main body axis intersect.
In a wherein embodiment, the liquid discharging tube is equipped with the bleeder valve for controlling the liquid discharging tube on-off；It is described to put
Tracheae is equipped with the vent valve for controlling the bleeder pipe on-off.
In a wherein embodiment, the integrated pipeline further includes safe desorption tube, and the safe desorption tube is connected to
Between the bleeder pipe and the discharge outlet, the safe desorption tube is set side by side with the vent valve, the safe desorption tube
It is equipped with the safety valve for controlling the safe desorption tube on-off.
In a wherein embodiment, safety overhaul valve is additionally provided on the safe desorption tube, the safety overhaul valve connects
It is connected between the bleeder pipe and the safety valve.
In a wherein embodiment, the integrated pipeline further includes pressure pipe, and the pressure pipe and the bleeder pipe connect
It connects, the pressure pipe is set side by side with the vent valve, and pressure change and pressure transmitter are provided on the pressure pipe.
In a wherein embodiment, the side of the pump tank main body is connected with to be connected with the inside of the pump tank main body
Muffler, the muffler and the integrated pipeline are located at the lower section that the ipsilateral and described muffler is located at the integrated pipeline.
In a wherein embodiment, the side of the pump tank main body is connected with to be connected with the inside of the pump tank main body
Bottom communicating pipe, the bottom communicating pipe and the integrated pipeline, which are located at, the ipsilateral and described bottom communicating pipe is located at the pump pond
The outer end of the bottom of main body, the bottom communicating pipe has inlet and pipe interface of unloading.
In a wherein embodiment, the top of the pump tank main body has an opening, and the opening is covered with pump pond
It covers and closes the pump tank main body；The pump pond is covered equipped with outlet tube, and the outlet tube is equipped with Vertical Lift Check Valves, described vertical
The axis of formula check-valves is parallel to the axis of the pump tank main body.
As shown from the above technical solution, the advantages and positive effects of the present invention are:
Integrated pipeline in cryogenic pump sump of the present invention is integrated with deflation and tapping function, and the integrated pipeline passes through an interface
It is connect with the side of pump tank main body, simplifies the pipeline structure of cryogenic pump sump, reduce the aperture on pump tank main body, and then reduce
Leak source on pump tank main body.And integrated pipeline is set to the side of pump tank main body, when so that needing to sling cryogenic pump sump, nothing
It could smoothly be sling after many pipelines need to be dismantled, thereby reduce installation and maintenance difficulty.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cryogenic pump sump of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of integrated pipeline in Fig. 1.
The reference numerals are as follows: 1, cryogenic pump sump；11, tank main body is pumped；12, Chi Gai is pumped；13, immersed pump；14, integrated pipe
Road；141, liquid discharging tube；142, outer tube；143, bleeder pipe；144, safe desorption tube；145, pressure pipe；146, discharge outlet；147, prolong
Stretch pipe；1471, vertical portion；1472, rake；1481, bleeder valve；1482, vent valve；1483, safety valve；1484, safety inspection
Repair valve；15, outlet tube；151, Vertical Lift Check Valves；16, muffler；17, bottom communicating pipe；171, inlet；172, it unloads pipe
Road interface.
Specific embodiment
The exemplary embodiment for embodying feature of present invention and advantage will describe in detail in the following description.It should be understood that
The present invention can have various variations in different embodiments, neither depart from the scope of the present invention, and theory therein
Bright and diagram inherently is illustrated as being used, rather than to limit the present invention.
Principle and structure in order to further illustrate the present invention carry out the preferred embodiment of the present invention now in conjunction with attached drawing detailed
It describes in detail bright.
The present invention provides a kind of cryogenic pump sump 1, for storing, transportation of liquefied natural gas (LNG).Liquefied natural gas (LNG)
It is in liquid natural gas and gas phase natural gas coexisting state in cryogenic pump sump 1.
Refering to fig. 1, the cryogenic pump sump 1 in the present embodiment includes pump tank main body 11, pump pond lid 12, outlet tube 15, immersed pump
13, integrated pipeline 14, muffler 16 and bottom communicating pipe 17.
The top for pumping tank main body 11 has an opening.The side of pump tank main body 11 is successively opened up along the axis direction of its own
There are the first aperture, the second aperture and third aperture.In the present embodiment, the first aperture, the second aperture and third aperture are opened in pump
The same side of tank main body 11, and the first aperture is opened in the top of pump tank main body 11, third aperture is opened in pump tank main body 11
Bottom.
Mounting flange is welded in pump 11 top of tank main body.Specifically, mounting flange is in circular ring shape, and along pump tank main body 11
It is circumferential to be welded to connect with pump tank main body 11.Periphery of the periphery of mounting flange beyond pump tank main body 11, and opened up on mounting flange
There are multiple fixation holes.In the present embodiment, multiple fixation holes are symmetrical along the circumferential direction of mounting flange, and the equal position of each fixation hole
In on outer peripheral portion of the mounting flange beyond pump tank main body 11.
Pump pond lid 12 is covered on the opening at 11 top of pump tank main body and closes pump tank main body 11.Specifically, pond lid 12 is pumped
For a blind flange, blind flange is equipped with multiple connecting holes corresponding with multiple fixation holes, and fixation hole and connecting hole pass through fastening
Part realizes pump pond lid 12 and pumps being detachably connected for tank main body 11.
Outlet tube 15 is connected inside tank main body 11 through pump pond lid 12 with pumping, in outside delivery pump tank main body 11
Liquid.Outlet tube 15 is equipped with Vertical Lift Check Valves 151, prevents liquid from flowing back in pump tank main body 11 and causes immersed pump 13 anti-
Turn.Specifically, the axis of Vertical Lift Check Valves 151 is parallel to the axis direction for stating pump tank main body 11, that is, Vertical Lift Check Valves 151
Input end is located along the same line with outlet end.When input end pressure medium is lower than outlet end, the spring of Vertical Lift Check Valves 151
Push spool to valve seat and close valve, prevents liquid countercurrent, play non-return.Compared to angie type non-return in the related technology
Valve, Vertical Lift Check Valves 151 improve the reliability for preventing liquid from flowing backwards.
Immersed pump 13 is set to the inside of pump tank main body 11, provides power for the liquid into pump tank main body 11, and makes
The pump outside output liquid of tank main body 11 inwardly loads liquid.The bottom of pump pond lid 12 is fixedly mounted in immersed pump 13.
Integrated pipeline 14 is set to the side of pump tank main body 11.Referring to Fig.2, integrated pipeline 14 includes liquid discharging tube 141, outer tube
142, bleeder pipe 143, safe desorption tube 144 and pressure pipe 145.
Liquid discharging tube 141 is arranged in the first aperture of pump tank main body 11 and is connected with the liquid Space in pump tank main body 11
It is logical.In the present embodiment, liquid discharging tube 141 extends along perpendicular to pump 11 inner axis direction of tank main body.Specifically, liquid discharging tube 141 has
Inner end and outer end.Wherein, inner end and outer end be using the use state of cryogenic pump sump 1 as reference, towards cryogenic pump sump 1 inside be
Inner end, on the contrary it is outer end.Below unless otherwise specified, about inner end and outer end restriction with it is consistent herein.Liquid discharging tube 141
Inner end is protruded into pump tank main body 11, the outer end opening of liquid discharging tube 141, i.e. discharge outlet 146.
Liquid discharging tube 141 is equipped with bleeder valve 1481.Specifically, which is in normally closed shape in normal work
State.When needing to overhaul the immersed pump 13 of cryogenic pump sump 1, the bleeder valve 1481 is opened, it will using gas pressure in cryogenic pump sump 1
Liquid in cryogenic pump sump 1 is discharged outward by discharge outlet 146.In the present embodiment, bleeder valve 1481 uses room temperature shut-off valve.
Liquid discharging tube 141 is connected by an extension 147 with the liquid Space of pump tank main body 11, the top of extension 147
It is connected with the inner end of liquid discharging tube 141, bottom end extends to the bottom of pump tank main body 11.Specifically, extension 147 includes being connected to
The vertical portion 1471 of 141 inner end of liquid discharging tube and the rake 1472 for being connected to 1471 bottom end of vertical portion, vertical portion 1471 is parallel to
Pump the axis of tank main body 11.Vertical portion 1471 is connect with liquid discharging tube 141 by a connection piece, which has the first connection
Mouth and the second connector, the first connector are connect with liquid discharging tube 141, and the second connector is connect with vertical portion 1471.Rake
1472 top is connect with the bottom end of vertical portion 1471, the bottom end of rake 1472 tilt down extend and with pump tank main body 11
Axis intersection.
Outer tube 142 is sheathed on the periphery of liquid discharging tube 141, and is arranged in the first aperture, and the inner wall of outer tube 142 with put
There is gap between the outer wall of liquid pipe 141 and form interlayer space.The inner end of outer tube 142 is arranged in first opening for pump tank main body 11
In hole, and interlayer space is connected with the gas-phase space of pump tank main body 11, and interlayer space is closed in the outer end of outer tube 142.
Bleeder pipe 143 is connected with interlayer space, and then is connected with the gas-phase space of pump tank main body 11.Specifically, it puts
Tracheae 143 includes the first vertical deflation pipeline section, the second vertical deflation pipeline section and is connected to the first vertical deflation pipeline section and second perpendicular
Horizontal deflation pipeline section between straight deflation pipeline section.First vertical deflation pipeline section and the second vertical deflation pipeline section are each perpendicular to liquid discharging tube
141 and it is respectively positioned on the top of liquid discharging tube 141, wherein the first vertical deflation pipeline section is connected with interlayer space, second vertical deflates
Pipeline section is connected with the end of liquid discharging tube 141, and then realizes the connection between bleeder pipe 143 and discharge outlet 146.On horizontal pipe section
Equipped with vent valve 1482.Specifically, which is in normally off in normal work.When needing to overhaul cryogenic pump sump
After liquid when 1 immersed pump 13, and in cryogenic pump sump 1 discharges, the vent valve 1482 is opened, discharge outlet 146 is passed through
Give off the gas in pump tank main body 11.In the present embodiment, vent valve 1482 uses room temperature shut-off valve.
Safe desorption tube 144 is connected to bleeder pipe 143.Specifically, safe desorption tube 144 is erected with the first of bleeder pipe 143
Straight pipe and horizontal pipe section are connected by three-way piece.Safety overhaul valve 1484 and safety are successively arranged on safe desorption tube 144
Valve 1483.
In the present embodiment, safe desorption tube 144 includes the first vertical release pipeline section, the second vertical release pipeline section and is connected to
Horizontal release pipeline section between first vertical release pipeline section and the second vertical release pipeline section, horizontal desorption tube section are located at horizontal deflate
The top of pipeline section.First vertical release pipeline section is connected with three-way piece, and safety overhaul valve 1484 and safety valve 1483 are all set in the
On one vertical release pipeline section.It is connected between level release pipeline section and the second vertical release pipeline section by a connecting bend.
Horizontal deflation pipeline section, the second vertical deflation pipeline section are connect and discharge with the second vertical release pipeline section by three-way piece
Mouth 146 is connected.
Specifically, safety valve 1483 is in normally open under the normal operating conditions of cryogenic pump sump 1, so that cryogenic pump sump
When pressure in 1 is greater than the preset value of safety valve 1483, safety valve 1483 is opened and the gas released in cryogenic pump sump 1 is to reduce
Pressure in cryogenic pump sump 1, and then guarantee that cryogenic pump sump 1 works normally.In the present embodiment, safety valve 1483 is pacified using complete opening type
Full valve 1483.
Safety overhaul valve 1484 is connected between bleeder pipe 143 and safety valve 1483, i.e., safety overhaul valve 1484 is close to three
Parts, safety valve 1483 is far from three-way piece.When so that safety valve 1483 being needed to verify, be overhauled, closed safe service valve can be passed through
The gas leak of 1484 blocking cryogenic pump sumps 1 and protect the safety of operator.Specifically, the safety overhaul valve 1484 is normal
Normally open is in when work.When needing verification, maintenance safety valve 1483, the safety overhaul valve 1484 is closed.
Pressure pipe 145 is connected to bleeder pipe 143.Specifically, in the threeway for connecting safe desorption tube 144 and bleeder pipe 143
The side of part opens up an opening, and pressure pipe 145 is arranged in the opening and is connected to bleeder pipe 143.The end of pressure pipe 145
Equipped with pressure gauge and pressure transmitter.For pressure gauge for reading pressure value, pressure value is transmitted in by pressure transmitter is located at distal end
Terminal, such as computer.
Muffler 16 is arranged in the second aperture and is connected inside tank main body 11 with pumping, more in tank main body 11 for that will pump
Remaining saturated vapor is back to the corresponding process pipe of LNG station.
It is arranged in bottom communicating pipe 17 in third aperture and is connected inside tank main body 11 with pumping.Specifically, bottom is connected to
The inner end of pipe 17 is connected to pump tank main body 11, and outer end is connected with a three-way piece, and there are three interfaces for three-way piece tool, wherein an interface
It is connect with bottom communicating pipe 17, another interface is liquid outlet, is pipe interface 172 of unloading there are also an interface.Inlet 171 is used for
It is connected with LNG storage tank, load liquid is carried out to cryogenic pump sump 1.Pipe interface 172 of unloading is used for for being connected with vehicle
Unload liquid.Liquid feeding and unloading two functions of liquid are passed through and realized bottom communicating pipe 17, is reduced on pump tank main body 11
Aperture thereby reduces the heat preservation of cryogenic pump sump 1 and manufacture difficulty, while reducing the leakage of pump pond.
Integrated pipeline 14, muffler 16 and bottom communicating pipe 17 are set to the ipsilateral of pump tank main body 11 simultaneously, and along pump
The short transverse of tank main body 11 is successively spaced setting, so that cryogenic pump sump 1 is compact-sized, occupied area is small.
The working principle of integrated pipeline 14:
When cryogenic pump sump 1 works normally, bleeder valve 1481 and vent valve 1482 are in close state, and safety valve 1483 is in
Open state.When the pressure in cryogenic pump sump 1 is greater than the preset value of safety valve 1483, safety valve 1483 is opened and low temperature of releasing
Gas in pump pond 1 guarantees that cryogenic pump sump 1 works normally to reduce the pressure in cryogenic pump sump 1.
When needing to overhaul the immersed pump 13 of cryogenic pump sump 1, bleeder valve 1481 is first opened, gas in cryogenic pump sump 1 is utilized
Pressure discharges the liquid in cryogenic pump sump 1 by discharge outlet 146 outward, after the liquid in cryogenic pump sump 1 discharges, then
Vent valve 1482 is opened, the gas in pump tank main body 11 is given off by discharge outlet 146.
As shown from the above technical solution, the advantages and positive effects of the present invention are:
Integrated pipeline in cryogenic pump sump of the present invention is integrated with deflation and tapping function, and the integrated pipeline passes through an interface
It is connect with the side of pump tank main body, simplifies the pipeline structure of cryogenic pump sump, reduce the aperture on pump tank main body, and then reduce
Leak source on pump tank main body.And integrated pipeline is set to the side of pump tank main body, when so that needing to sling cryogenic pump sump, nothing
It could smoothly be sling after many pipelines need to be dismantled, thereby reduce installation and maintenance difficulty.
Although describing the present invention with reference to several exemplary embodiments, it is to be understood that, term used be explanation and
Term exemplary, and not restrictive.Due to the present invention can be embodied in a variety of forms without departing from invention spirit or
Essence, it should therefore be appreciated that above embodiment is not limited to any of the foregoing details, and should be defined by the appended claims
The whole change and modification widely explained, therefore fallen into claim or its equivalent scope in spirit and scope all should be with
Attached claim is covered.
Claims (10)
1. a kind of cryogenic pump sump characterized by comprising pump tank main body and the integrated pipe for being set to the pump tank main body side
Road, the pump tank main body side are equipped with an aperture, and the integrated pipeline passes through to be connected to inside the aperture and the pump tank main body；
The integrated pipeline includes:
Liquid discharging tube is arranged in the aperture of the pump tank main body and is connected with the liquid Space of the pump tank main body；It is described to put
The end of liquid pipe has a discharge outlet, and the discharge outlet is in communication with the outside；
Outer tube is sheathed on the periphery of the liquid discharging tube；There is gap between the inner wall of the outer tube and the outer wall of the liquid discharging tube
And form interlayer space, the inner end of the outer tube be arranged in it is described pump tank main body aperture in, and the interlayer space with it is described
The gas-phase space of pump tank main body is connected, and the interlayer space is closed in the outer end of the outer tube；And
Bleeder pipe is connected with the interlayer space；The end of the bleeder pipe is connected with the discharge outlet.
2. cryogenic pump sump according to claim 1, which is characterized in that the liquid discharging tube passes through an extension and the pump pond
The liquid Space of main body is connected, and the extension is connected with the liquid discharging tube and extends downward into the bottom of the pump tank main body
Portion.
3. cryogenic pump sump according to claim 2, which is characterized in that the extension includes being connected to the liquid discharging tube
Vertical portion and the rake for being connected to the vertical portion bottom end, the vertical portion is parallel to the axis of the pump tank main body, described
Rake connects with the bottom end of the vertical portion and tilts down to extend to intersect with the axis of the pump tank main body.
4. cryogenic pump sump according to claim 1, which is characterized in that it is logical that the liquid discharging tube is equipped with the control liquid discharging tube
Disconnected bleeder valve；The bleeder pipe is equipped with the vent valve for controlling the bleeder pipe on-off.
5. cryogenic pump sump according to claim 4, which is characterized in that the integrated pipeline further includes safe desorption tube, institute
It states safe desorption tube to be connected between the bleeder pipe and the discharge outlet, the safe desorption tube is set side by side with the vent valve
It sets, the safe desorption tube is equipped with the safety valve for controlling the safe desorption tube on-off.
6. cryogenic pump sump according to claim 5, which is characterized in that be additionally provided with safety inspection on the safe desorption tube
Valve, the safety overhaul valve are connected between the bleeder pipe and the safety valve.
7. cryogenic pump sump according to claim 4, which is characterized in that the integrated pipeline further includes pressure pipe, described to take
Pressure pipe is connect with the bleeder pipe, and the pressure pipe is set side by side with the vent valve, and pressure change is provided on the pressure pipe
And pressure transmitter.
8. cryogenic pump sump described in -7 any one according to claim 1, which is characterized in that the side connection of the pump tank main body
There is the muffler being connected with the inside of the pump tank main body, the muffler and the integrated pipeline are located at ipsilateral and described time
Tracheae is located at the lower section of the integrated pipeline.
9. cryogenic pump sump described in -7 any one according to claim 1, which is characterized in that the side connection of the pump tank main body
There is the bottom communicating pipe being connected with the inside of the pump tank main body, the bottom communicating pipe is located at the integrated pipeline ipsilateral
And it is located at the bottom of the pump tank main body bottom communicating pipe, the outer end of the bottom communicating pipe has inlet and pipe of unloading
Road interface.
10. cryogenic pump sump described in -7 any one according to claim 1, which is characterized in that the top tool of the pump tank main body
There is an opening, the opening is covered with pump Chi Gai and closes the pump tank main body；
The pump pond is covered equipped with outlet tube, and the outlet tube is equipped with Vertical Lift Check Valves, and the axis of the Vertical Lift Check Valves is flat
Row is in the axis of the pump tank main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288083.1A CN110107807A (en) | 2019-04-11 | 2019-04-11 | Cryogenic pump sump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288083.1A CN110107807A (en) | 2019-04-11 | 2019-04-11 | Cryogenic pump sump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110107807A true CN110107807A (en) | 2019-08-09 |
Family
ID=67484131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910288083.1A Pending CN110107807A (en) | 2019-04-11 | 2019-04-11 | Cryogenic pump sump |
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| CN (1) | CN110107807A (en) |
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| CN202452100U (en) * | 2011-12-02 | 2012-09-26 | 武汉齐达康环保科技有限公司 | Full-vacuum low-temperature pump pool |
| CN202789475U (en) * | 2012-09-05 | 2013-03-13 | 北京天海工业有限公司 | Gas-liquid safety device on pump pond |
| CN105299440A (en) * | 2014-07-29 | 2016-02-03 | 天津安耐吉燃气技术有限公司 | Vacuum box type LNG filling pump skid |
| CN204610187U (en) * | 2015-05-19 | 2015-09-02 | 成都渝能能源设备有限公司 | Cryogenic pump sump |
| CN205136045U (en) * | 2015-09-29 | 2016-04-06 | 辽宁长志泵业有限公司 | Vertical multistage vacuum low temperature immersed pump |
| CN205137056U (en) * | 2015-11-09 | 2016-04-06 | 江西制氧机有限公司 | Liquefied natural gas liquid feeding sledge |
| CN206875126U (en) * | 2017-04-21 | 2018-01-12 | 张家港中集圣达因低温装备有限公司 | Cryogenic pump sump |
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