CN106641702B - Liquid natural gas adjustable transfusion device - Google Patents

Liquid natural gas adjustable transfusion device Download PDF

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Publication number
CN106641702B
CN106641702B CN201710088287.1A CN201710088287A CN106641702B CN 106641702 B CN106641702 B CN 106641702B CN 201710088287 A CN201710088287 A CN 201710088287A CN 106641702 B CN106641702 B CN 106641702B
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CN
China
Prior art keywords
pipeline
lower barrel
inlet pipeline
air outlet
barrel
Prior art date
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Application number
CN201710088287.1A
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Chinese (zh)
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CN106641702A (en
Inventor
张利风
马勇
祖雪儿
魏晓丽
祖长新
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.)
Shaanxi Shangao Energy Technology Co ltd
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Shaanxi Shangao Energy Technology Co ltd
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Priority to CN201710088287.1A priority Critical patent/CN106641702B/en
Publication of CN106641702A publication Critical patent/CN106641702A/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
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0352—Pipes
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/037—Quick connecting means, e.g. couplings
    • F17C2205/0373—Adapters
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Landscapes

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

Abstract

The invention relates to the technical field of infusion devices, in particular to an adjustable liquefied natural gas infusion device which comprises an adjusting device, wherein the adjusting device comprises a lower barrel, a flange is arranged at the top of the lower barrel, the lower barrel is connected with an upper barrel through the flange, a first air inlet pipeline is arranged in the middle of the lower barrel, the first air inlet pipeline penetrates through the lower barrel and is communicated with a second air outlet pipeline through a conduit, a first column body, a second column body, a first liquid discharge pipeline and a second liquid discharge pipeline are uniformly arranged in the lower barrel at intervals in the circumferential direction, the first liquid discharge pipeline and the second liquid discharge pipeline are adjacently arranged, the first liquid discharge pipeline penetrates through the lower barrel and is communicated with a first channel through the conduit, and the second liquid discharge pipeline penetrates through the lower barrel and is communicated with a second channel through the conduit. The invention is convenient, saves the manufacturing cost of the infusion device, and can control the flow direction of the liquid only by rotating the upper barrel so as to achieve the purpose of infusion to the tank body.

Description

Liquid natural gas adjustable transfusion device
Technical Field
The invention relates to the technical field of infusion devices, in particular to an adjustable liquefied natural gas infusion device.
Background
Liquefied natural gas (Liquefied Natural Gas, LNG for short), whose main component is methane, is recognized as the cleanest fossil energy source on earth. Colorless, odorless, nontoxic and noncorrosive, and has a volume of about 1/625 of the volume of the same amount of gaseous natural gas, and the mass of liquefied natural gas is only about 45% of the same volume of water. The manufacturing process is that the natural gas produced by the gas field is purified and transported by the liquefied natural gas ship after a series of ultralow temperature liquefaction. After burning, the liquefied natural gas has very little pollution to air and emits large heat, so the liquefied natural gas is an advanced energy source.
The operation steps of the first liquid inlet of the storage tank are as follows:
1. simultaneously, the upper liquid inlet valve and the lower liquid inlet valve are opened for simultaneous filling, meanwhile, the liquid filling overflow port valve is opened for discharging the gas in the storage tank, and the overflow port valve is immediately closed until the LNG gas is discharged.
2. When filling to 50% of the tank volume, the overflow port valve should be closed.
3. When filling to 85% of the storage tank volume, the upper liquid inlet valve should be closed, and the filling is stopped for 5 minutes, so that the liquid in the tank is calm for a while, and then the upper liquid inlet valve is opened to continue filling. And immediately closing the valve filling the overflow port until the liquid flows out from the overflow port, and stopping filling and feeding the liquid into the valve.
LNG is applied to various fields, and the LNG can not be filled, and the existing infusion device controls an infusion pipeline through a plurality of valves so as to achieve the purpose of infusion, so that the control is troublesome, and the device is excessively wasteful for small and medium enterprises.
Disclosure of utility model
The invention aims to solve the defects that in the prior art, the infusion device controls the infusion of a pipeline through a plurality of valve bodies, is troublesome and wastes manufacturing cost, and provides an adjustable liquefied natural gas infusion device.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides an infusion set with adjustable liquefied natural gas, includes the jar body, jar body top one end is equipped with the second pipeline of giving vent to anger, jar body top other end is equipped with first passageway, second passageway, first passageway stretches to jar internal portion bottom, the second passageway stretches to jar internal portion top.
The invention further comprises an adjusting device, wherein the adjusting device comprises a lower barrel, a flange is arranged at the top of the lower barrel, and the lower barrel is connected with an upper barrel through the flange.
The lower barrel is provided with a first air inlet pipeline in the middle, the first air inlet pipeline penetrates through the lower barrel to be communicated with a second air outlet pipeline through a guide pipe, a first column body, a second column body, a first liquid discharge pipeline and a second liquid discharge pipeline are uniformly arranged in the lower barrel at intervals in the circumferential direction, the first liquid discharge pipeline and the second liquid discharge pipeline are adjacently arranged, the first liquid discharge pipeline penetrates through the lower barrel to be communicated with a first channel through the guide pipe, and the second liquid discharge pipeline penetrates through the lower barrel to be communicated with a second channel through the guide pipe.
The upper barrel is circumferentially provided with a first liquid inlet pipeline and a second liquid inlet pipeline, a plane surrounded by the axes of the first liquid inlet pipeline and the first liquid outlet pipeline is perpendicular to a plane surrounded by the axes of the second liquid inlet pipeline and the first liquid outlet pipeline, and the first liquid inlet pipeline and the second liquid inlet pipeline respectively penetrate through the upper barrel and are communicated with the bifurcation pipeline.
The length of the first air outlet pipeline is greater than that of the first liquid inlet pipeline and the second liquid inlet pipeline, the first air outlet pipeline is sleeved on the first air inlet pipeline, two E-shaped slide ways are symmetrically arranged in the middle of the inner wall of the upper barrel, each E-shaped slide way comprises a first slide way and three second slide ways, the first slide ways are parallel to the end face of the flange, the three second slide ways are evenly spaced and arranged above the first slide ways, the second slide ways are perpendicular to the first slide ways and are communicated with the first slide ways, C-shaped buckles are fixedly connected to the side wall of the second slide ways far away from the first slide ways, a pair of clamping shafts matched with the C-shaped buckles are arranged in the middle of the outer wall of the flange, and the clamping shafts are clamped with the C-shaped buckles.
Preferably, a sealing device is arranged at the joint of the lower barrel and the upper barrel through a flange.
Preferably, the outer peripheral surface of the flange is uniformly provided with a plurality of balls.
Preferably, a natural gas detection device is arranged at the first gas outlet pipeline.
Preferably, the first air outlet pipeline is connected with an LNG cryopump through a conduit.
The invention provides an adjustable liquefied natural gas infusion device, which has the beneficial effects that: the invention controls the whole transfusion process by one adjusting device, which is convenient, saves the manufacturing cost of the transfusion device and solves the problem of troublesome control of various valve bodies, and can control the flow direction of liquid by only rotating the upper barrel so as to achieve the purpose of transfusion to the tank body.
Drawings
FIG. 1 is a schematic diagram of an adjustable liquefied natural gas infusion device according to the present invention;
FIG. 2 is a schematic diagram of an adjusting device of an adjustable liquefied natural gas infusion device according to the present invention;
FIG. 3 is a schematic diagram of a lower barrel structure of an adjustable liquefied natural gas infusion device according to the present invention;
Fig. 4 is a schematic diagram of the upper barrel structure of an lng adjustable infusion device according to the present invention
Fig. 5 is a schematic diagram of the internal structures of the upper barrel and the lower barrel of the lng adjustable infusion device according to the present invention.
In the figure, a tank body 1, a first channel 2, a second channel 3, a first liquid discharge pipeline 4, a lower barrel 5, an upper barrel 6, a first liquid inlet pipeline 7, a first air outlet pipeline 8, a second liquid inlet pipeline 9, a second liquid discharge pipeline 10, a first air inlet pipeline 11, a second air outlet pipeline 12, a flange 13, a first column 14, a second column 15, a clamping shaft 16, a C-shaped buckle 17, an E-shaped slide 18, a first slide 19 and a second slide 20.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-5, an adjustable liquefied natural gas infusion device comprises a tank body 1, wherein a second air outlet pipeline 12 is arranged at one end of the top of the tank body 1, a first channel 2 and a second channel 3 are arranged at the other end of the top of the tank body 1, the first channel 2 extends to the bottom end inside the tank body 1, and the second channel 3 extends to the top end inside the tank body 1.
The invention also comprises an adjusting device, the adjusting device comprises a lower barrel 5, the top of the lower barrel 5 is provided with a flange 13, the lower barrel 5 is connected with the upper barrel 6 through the flange 13, and a plurality of balls are uniformly arranged on the peripheral surface of the flange 13, so that the upper barrel 6 can roll more conveniently, and the joint of the lower barrel 5 and the upper barrel 6 through the flange 13 is provided with a sealing device, thereby achieving a stable sealing state and preventing LNG from leaking.
The middle of the lower barrel 5 is provided with a first air inlet pipeline 11, the first air inlet pipeline 11 penetrates through the lower barrel 5 and is communicated with a second air outlet pipeline 12 through a conduit, a first column 14, a second column 15, a first liquid discharge pipeline 4 and a second liquid discharge pipeline 10 are uniformly arranged in the lower barrel 5 at intervals in the circumferential direction, the first liquid discharge pipeline 4 and the second liquid discharge pipeline 10 are adjacently arranged, the first liquid discharge pipeline 4 penetrates through the lower barrel 5 and is communicated with the first channel 2 through a conduit, and the second liquid discharge pipeline 10 penetrates through the lower barrel 5 and is communicated with the second channel 3 through a conduit.
The middle of the upper barrel 6 is provided with a first air outlet pipeline 8, a natural gas detection device is arranged at the first air outlet pipeline 8 and used for detecting whether natural gas flows out, the first air outlet pipeline 8 is connected with an LNG low-temperature pump through a conduit, when LNG liquid is conveyed, gaseous natural gas can be discharged, the LNG low-temperature pump liquefies the natural gas again, the upper barrel 6 is circumferentially provided with a first liquid inlet pipeline 7 and a second liquid inlet pipeline 9, the planes of the first liquid inlet pipeline 7 and the first air outlet pipeline 8 are perpendicular to the planes of the second liquid inlet pipeline 9 and the first air outlet pipeline 8, and the first liquid inlet pipeline 7 and the second liquid inlet pipeline 9 respectively penetrate through the upper barrel 6 and are communicated with the bifurcation pipeline.
The length of the first air outlet pipeline 8 is greater than that of the first liquid inlet pipeline 7 and the second liquid inlet pipeline 9, the first air outlet pipeline 8 is sleeved on the first air inlet pipeline 11, the first air outlet pipeline 8 and the first air inlet pipeline 11 are always connected together, two E-shaped slide ways 18 are symmetrically arranged in the middle of the inner wall of the upper barrel 6, each E-shaped slide way 18 comprises a first slide way 19 and three second slide ways 20, the first slide ways 19 are arranged parallel to the end face of the flange 13, the three second slide ways 20 are uniformly arranged above the first slide ways 19 at intervals, the second slide ways 20 are perpendicular to and communicated with the first slide ways 19, a C-shaped buckle 17 is fixedly connected to the side wall of the second slide ways 20 far away from the first slide ways 19, a pair of clamping shafts 16 matched with the C-shaped buckle 17 are arranged in the middle of the outer wall of the flange 13, the clamping shafts 16 are clamped together with the C-shaped buckle 17, when the upper barrel 6 is rotated, the upper barrel 6 is required to be lifted, meanwhile, the pipeline inside the adjusting device is separated from the barrel 6, the pipeline inside the adjusting device is also rotated to the barrel, the clamping shafts 16 are clamped together to the required positions, and the C-shaped buckle 17 are prevented from being effectively leaked.
Working principle: when the invention starts to fill liquid:
1. And (3) exhausting: the upper barrel 6 is rotated to enable the second liquid discharge pipeline 10 to be communicated with the first liquid inlet pipeline 7, the second liquid inlet pipeline 9 is blocked by the first column 14, then the first liquid inlet pipeline 7 is filled with gaseous natural gas, the gas enters the second channel 3 along the guide pipe from the second liquid discharge pipeline 10, when waiting for the gas to enter the first air inlet pipeline 11 along the guide pipe from the second air outlet pipeline 12, then enters the first air outlet pipeline 8 from the first air inlet pipeline 11, and the natural gas detection device alarms, namely the air discharge operation is completed;
2. infusion: the upper barrel 6 is rotated to enable the first liquid discharge pipeline 4 to be communicated with the second liquid inlet pipeline 9, the first liquid inlet pipeline 7 is blocked by the second cylinder 15, and then LNG liquid sequentially passes through the second liquid inlet pipeline 9 and the first liquid discharge pipeline 4 to enter the first channel 2; when the liquid in the tank body 1 is filled by 50%, the upper barrel 6 is rotated to enable the second liquid discharge pipeline 10 to be communicated with the first liquid inlet pipeline 7, the second liquid inlet pipeline 9 is blocked by the first cylinder 14, LNG liquid sequentially passes through the second liquid discharge pipeline 10 and the first liquid inlet pipeline 7 to enter the second channel 3, when the LNG liquid is filled by 85%, the LNG is stopped to be conveyed, the tank body 1 is opened again after 5 minutes, and the tank body 1 is filled.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (3)

1. The utility model provides a transfusion system with adjustable liquefied natural gas, includes a jar body (1), jar body (1) top one end is equipped with second air outlet pipe (12), jar body (1) top other end is equipped with first passageway (2), second passageway (3), first passageway (2) stretch to jar body (1) inside bottom, second passageway (3) stretch to jar body (1) inside top;
The device is characterized by further comprising an adjusting device, wherein the adjusting device comprises a lower barrel (5), a flange (13) is arranged at the top of the lower barrel (5), and the lower barrel (5) is connected with an upper barrel (6) through the flange (13);
A first air inlet pipeline (11) is arranged in the middle of the lower barrel (5), the first air inlet pipeline (11) penetrates through the lower barrel (5) to be communicated with a second air outlet pipeline (12) through a conduit, a first column body (14), a second column body (15), a first liquid discharge pipeline (4) and a second liquid discharge pipeline (10) are uniformly arranged in the lower barrel (5) at intervals in the circumferential direction, the first liquid discharge pipeline (4) and the second liquid discharge pipeline (10) are adjacently arranged, the first liquid discharge pipeline (4) penetrates through the lower barrel (5) to be communicated with the first channel (2) through a conduit, and the second liquid discharge pipeline (10) penetrates through the lower barrel (5) to be communicated with the second channel (3) through a conduit;
the device is characterized in that a first air outlet pipeline (8) is arranged in the middle of the upper barrel (6), a natural gas detection device is arranged at the first air outlet pipeline (8), the first air outlet pipeline (8) is connected with an LNG low-temperature pump through a conduit, a first liquid inlet pipeline (7) and a second liquid inlet pipeline (9) are further arranged in the circumferential direction of the upper barrel (6), the planes of the axes of the first liquid inlet pipeline (7) and the first air outlet pipeline (8) are perpendicular to the planes of the axes of the second liquid inlet pipeline (9) and the first air outlet pipeline (8), and the first liquid inlet pipeline (7) and the second liquid inlet pipeline (9) respectively penetrate through the upper barrel (6) to be communicated with a bifurcation pipeline;
The length of the first air outlet pipeline (8) is greater than that of the first liquid inlet pipeline (7) and the second liquid inlet pipeline (9), the first air outlet pipeline (8) is sleeved on the first air inlet pipeline (11), two E-shaped slide ways (18) are symmetrically arranged in the middle of the inner wall of the upper barrel (6), each E-shaped slide way (18) comprises a first slide way (19) and three second slide ways (20), the first slide ways (19) are parallel to the end face of the flange (13), the three second slide ways (20) are uniformly arranged above the first slide ways (19) at intervals, the second slide ways (20) are perpendicular to and communicated with the first slide ways (19), C-shaped buckles (17) are fixedly connected to the side wall of the second slide ways (20) away from the first slide ways (19), a pair of clamping shafts (16) matched with the C-shaped buckles (17) are arranged in the middle of the outer wall of the flange (13), and the clamping shafts (16) are clamped with the C-shaped buckles (17).
2. An lng adjustable infusion device according to claim 1, characterized in that the connection of the lower barrel (5) and the upper barrel (6) is provided with sealing means by means of a flange (13).
3. An lng adjustable infusion device according to claim 1, characterized in that the outer peripheral surface of the flange (13) is uniformly provided with a plurality of balls.
CN201710088287.1A 2017-02-17 2017-02-17 Liquid natural gas adjustable transfusion device Active CN106641702B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710088287.1A CN106641702B (en) 2017-02-17 2017-02-17 Liquid natural gas adjustable transfusion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710088287.1A CN106641702B (en) 2017-02-17 2017-02-17 Liquid natural gas adjustable transfusion device

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CN106641702A CN106641702A (en) 2017-05-10
CN106641702B true CN106641702B (en) 2024-05-28

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