CN214369283U - Low temperature liquid storage tank adapted gas supply device - Google Patents
Low temperature liquid storage tank adapted gas supply device Download PDFInfo
- Publication number
- CN214369283U CN214369283U CN202120181635.1U CN202120181635U CN214369283U CN 214369283 U CN214369283 U CN 214369283U CN 202120181635 U CN202120181635 U CN 202120181635U CN 214369283 U CN214369283 U CN 214369283U
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- gas
- pipe
- wall
- water bath
- liquid storage
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- 239000007788 liquid Substances 0.000 title claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000006200 vaporizer Substances 0.000 claims abstract description 38
- 239000007789 gas Substances 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 238000002309 gasification Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000008016 vaporization Effects 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Images
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a cryogenic liquids storage tank adapted air feeder relates to air feeder technical field, including liquid nitrogen pump, gas-liquid separation mechanism and coupling mechanism, the one end inner wall of liquid nitrogen pump is connected with the connecting pipe, the one end outer wall connection of connecting pipe has water bath vaporizer, the check valve is installed No. one to the intermediate junction of connecting pipe, the bottom inner wall connection of water bath vaporizer has the conveyer pipe, and the intermediate junction of conveyer pipe installs No. two check valves. The utility model discloses a set up gas-liquid separation mechanism, after the gas-liquid separates in water bath vaporizer, thereby at first control air pump takes out gas through the exhaust tube and goes back to water bath vaporizer again and carry out the secondary gasification in the connecting tube, and gas-water separator can separate the aqueous vapor completely simultaneously, avoids the suction liquid to enter into and carries out gasification effect in the connecting tube, and this process labour saving and time saving has improved the efficiency of circulation air feed.
Description
Technical Field
The utility model relates to a gas supply technical field specifically is a low temperature liquid storage tank adapted gas supply device.
Background
The low-temperature liquid storage tank and the structure and the type of the low-temperature liquid storage tank are characterized in that the low-temperature liquid market is increasingly red fire in recent years, the sales volume of liquid oxygen, liquid argon, liquid nitrogen, liquid carbon dioxide and LNG natural gas is greatly increased, so that the byproduct of the oxygen generator is very profitable and becomes an important part of non-steel product income of steel enterprises, the low-temperature liquid can not be produced, stored and transported away from a heat-insulation storage tank, the low-temperature liquid is installed and used in large quantities, nitrogen (liquid oxygen) enters a buffer tank after being heated by a water bath type vaporizer, if the temperature is too low, the liquid is gasified insufficiently, potential safety hazards and equipment damage are caused, and the gas supply device matched with the low-temperature liquid storage tank is provided.
According to the Chinese patent number: CN207262045U, discloses a device for jointly controlling low-temperature gas supply, comprising a liquid nitrogen pump, a water bath vaporizer, a buffer tank and a control system, wherein the right end of the liquid nitrogen pump is connected with the left end of a first flow pipe, and the right end of the first flow pipe is connected with the left end of the water bath vaporizer, the utility model discloses a temperature detector is fixed in the water bath vaporizer, and a temperature controller is fixed in the buffer tank, so that the gasification degree of the liquid nitrogen pump in the novel structure can be monitored in real time, the novel structure is made to circulate by using the liquid nitrogen pump, the first flow pipe, the water bath vaporizer, a second flow pipe, the buffer tank and a two-way valve as a gas supply circulation, so that the novel structure is smooth in operation, and the circulation is made to be smooth by using the liquid nitrogen pump, the first flow pipe, the water bath vaporizer, the second flow pipe, the buffer tank, the two-way valve, a backflow pipe and a backflow pump as a gas supply circulation when the novel structure is operated, the liquid nitrogen which is not perfectly gasified can be gasified again for the second time, and is practical.
However, the gas-liquid separation device is complex in use, cannot perform gas supply circulation on gas-liquid separation in the first time, wastes time and labor, is low in working efficiency, and meanwhile, a gas-liquid separator is required to be installed to perform better separation on gas and liquid, so that the gas-liquid separator can be damaged after being used for a long time, and the working efficiency of the gas-liquid separator can be affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that the existing gas supply device cannot separate gas and liquid at the first time and the gas-water separator is easy to block after being used for a long time, the gas supply device matched with the low-temperature liquid storage tank is provided.
In order to achieve the above object, the utility model provides a following technical scheme: a gas supply device matched with a cryogenic liquid storage tank comprises a liquid nitrogen pump, a gas-liquid separation mechanism and a connecting mechanism, wherein a connecting pipe is connected to the inner wall of one end of the liquid nitrogen pump, a water bath type vaporizer is connected to the outer wall of one end of the connecting pipe, a first check valve is installed at the middle joint of the connecting pipe, a conveying pipe is connected to the inner wall of the bottom end of the water bath type vaporizer, and a second check valve is installed at the middle joint of the conveying pipe;
wherein, gas-liquid separation mechanism is including being located the exhaust tube of water bath vaporizer top inner wall and extending to liquid nitrogen pump top inner wall, divide into a plurality of sections of exhaust tube, and the port position punishment of a plurality of sections exhaust tube do not is provided with air pump, deareator, hose and No. three check valves, the air pump is located one side of deareator, No. three check valves are located the top of connecting pipe, the quantity of hose is two, one the hose is located between air pump and the deareator, and another hose is located one side that the air pump was kept away from to deareator, gas-liquid separation mechanism is still including being located the delivery pipe port and being located the temperature controller of No. two check valves below, the internally mounted of water bath vaporizer has baroceptor.
As a further aspect of the present invention: coupling mechanism is including being located the inside kelly of exhaust tube one end simultaneously in gas-water separator, the both sides outer wall of kelly is provided with the lug, and the one end of lug is provided with and runs through to kelly internal connection spring, coupling mechanism is still including the draw-in groove that is located kelly and gas-water separator position of contact department.
As a further aspect of the present invention: the air pressure sensor is electrically connected with the second one-way valve through the single chip microcomputer.
As a further aspect of the present invention: and a sealing ring is arranged at the position where the delivery pipe is contacted with the water bath type vaporizer.
As a further aspect of the present invention: the exhaust pipe is in an inverted U shape, and a sealing ring is arranged at the position where the exhaust pipe is contacted with the connecting pipe and the water bath type vaporizer.
As a further aspect of the present invention: the outer wall of the exhaust pipe is matched with the inner wall of the gas-water separator, and the inner wall of the clamping groove is matched with the outer wall of the clamping rod.
As a further aspect of the present invention: the inner wall of the clamping groove is provided with a clamping groove matched with the convex block, and a sealing ring is arranged at the position where the exhaust pipe is contacted with the gas-water separator.
Compared with the prior art, the beneficial effects of the utility model are that:
1. by arranging the gas-liquid separation mechanism, after gas and liquid are separated in the water bath type vaporizer, the gas pump is controlled to pump the gas into the connecting pipe through the exhaust pipe so as to return to the water bath type vaporizer again for secondary gasification, and meanwhile, the gas-liquid separator can completely separate water and gas, so that the phenomenon that the pumped liquid enters the connecting pipe for gasification is avoided, the process is time-saving and labor-saving, and the efficiency of circulating gas supply is improved;
2. through setting up coupling mechanism, when the long-time use of deareator appears damaging when needing to be changed, at first be convenient for take out the exhaust tube from deareator under the effect of hose, coupling spring compresses under the effect of stress this moment to the draw-in groove that matches in lug and the draw-in groove of being convenient for separates, then is convenient for dismantle the deareator and change, avoids influencing work efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the gas-water separator and the exhaust tube of the present invention;
fig. 3 is a partial enlarged view of a point a of the present invention.
In the figure: 1. a liquid nitrogen pump; 2. a connecting pipe; 3. a water bath vaporizer; 4. a first check valve; 5. a delivery pipe; 6. a second one-way valve; 7. an air exhaust pipe; 8. an air pump; 9. a gas-water separator; 10. a hose; 11. a temperature controller; 12. a clamping rod; 13. a bump; 14. a connecting spring; 15. a card slot; 16. a third one-way valve; 17. an air pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.
Referring to fig. 1 to 3, in an embodiment of the present invention, an air supply device for a cryogenic liquid storage tank includes a liquid nitrogen pump 1, a gas-liquid separation mechanism and a connection mechanism, wherein an inner wall of one end of the liquid nitrogen pump 1 is connected to a connection pipe 2, an outer wall of one end of the connection pipe 2 is connected to a water bath vaporizer 3, a check valve 4 is installed at a middle connection position of the connection pipe 2, a bottom inner wall of the water bath vaporizer 3 is connected to a delivery pipe 5, and a check valve 6 is installed at a middle connection position of the delivery pipe 5;
wherein, gas-liquid separation mechanism is including being located 3 top inner walls of water bath vaporizer and extending to the exhaust tube 7 of 1 top inner wall of liquid nitrogen pump, divide into a plurality of sections of exhaust tube 7, and the port position punishment of a plurality of sections exhaust tube 7 is provided with air pump 8 respectively, gas-water separator 9, hose 10 and No. three check valve 16, air pump 8 is located one side of gas-water separator 9, No. three check valve 16 is located the top of connecting pipe 2, the quantity of hose 10 is two, a hose 10 is located between air pump 8 and gas-water separator 9, and another hose 10 is located one side that gas-water separator 9 kept away from air pump 8, gas-liquid separation mechanism is still including being located conveyer pipe 5 port and being located No. two temperature controller 11 of check valve 6 below, the internally mounted of water bath vaporizer 3 has baroceptor 17.
Please refer to fig. 2 and 3, the connection mechanism includes a clamping rod 12 located at one end of the air exhaust pipe 7 and located inside the gas-water separator 9, the outer walls of both sides of the clamping rod 12 are provided with a convex block 13, and one end of the convex block 13 is provided with a connecting spring 14 penetrating to the inside of the clamping rod 12, the connection mechanism further includes a clamping groove 15 located at the contact position of the clamping rod 12 and the gas-water separator 9, so as to facilitate the gas-water separator 9 to be separated from the air exhaust pipe 7 periodically through the connection mechanism, thereby detaching and replacing the gas-water separator 9, and preventing the gas-water separator from being damaged after being used for a long time and affecting the working efficiency.
Please refer to fig. 1, the connection pipe 2 is provided with a sealing ring at the position contacting with the liquid nitrogen pump 1 and the water bath vaporizer 3, which increases the sealing effect and prevents the gas-liquid overflow from affecting the conveying effect.
Please refer to fig. 1, the air pressure sensor 17 is electrically connected to the second check valve 6 through the single chip, the air pressure in the water bath vaporizer 3 is gradually increased and reaches a preset maximum value, the air pressure sensor 17 converts the air pressure intensity signal into an electric signal one and sends the electric signal one to the single chip, the single chip controls the second check valve 6 to be opened, the air pressure in the water bath vaporizer 3 is gradually reduced at the moment, the air pressure sensor 17 converts the air pressure intensity signal into an electric signal two and sends the electric signal two to the single chip after the air pressure in the water bath vaporizer 3 is reduced to a preset minimum value, and the single chip controls the second check valve 6 to be closed.
Please refer to fig. 1, the exhaust tube 7 is in an inverted U shape, and a sealing ring is disposed at a position where the exhaust tube 7 contacts the connection tube 2 and the water bath type vaporizer 3, the inverted U shape can prevent gas from flowing back to a certain extent, and the sealing ring increases the sealing effect.
Please refer to fig. 2, the outer wall of the air exhaust tube 7 fits the inner wall of the gas-water separator 9, and the inner wall of the clamping groove 15 fits the outer wall of the clamping rod 12, so that the air exhaust tube 7 and the gas-water separator 9 can be connected better, and the clamping groove 15 can effectively clamp the clamping rod 12.
Please refer to fig. 3, the inner wall of the slot 15 is provided with a slot matching with the protrusion 13, so as to facilitate the engagement and the limit of the protrusion 13 by the slot and prevent the protrusion from moving randomly, and the position where the exhaust pipe 7 contacts the gas-water separator 9 is provided with a sealing ring, so as to increase the sealing effect and prevent the influence on the working efficiency of the gas-water separator 9.
The utility model discloses a theory of operation is: when the device is used, firstly, the one-way valve 4 is opened, at the same time, liquid nitrogen enters the water bath type vaporizer 3 from the liquid nitrogen pump 1 through the connecting pipe 2 for vaporization, after gas and liquid are separated in the water bath type vaporizer 3, the air pump 8 is controlled to pump the gas into the connecting pipe 2 through the air exhaust pipe 7 so as to return to the water bath type vaporizer 3 again for secondary vaporization, meanwhile, when the gas passes through the gas-water separator 9, the gas-water separator 9 can completely separate the water and the gas, the pumped liquid is prevented from entering the connecting pipe 2 for vaporization, the process is time-saving and labor-saving, the efficiency of circulating gas supply is improved, at the moment, the air pressure sensor 17 can sense the air pressure in the water bath type vaporizer 3 in real time, when the gas is vaporized to a preset value, the air pressure signal is converted into an electric signal and sent to the singlechip, the one-way valve 6 is opened after the singlechip receives the electric signal for identification, at the moment, the vaporized nitrogen is pumped out through the conveying pipe 5, meanwhile, after the air pressure reaches a preset minimum value, the air pressure signal is converted into a second electrical signal, the second electrical signal is sent to the single chip microcomputer, the single chip microcomputer receives the second electrical signal and then closes the second check valve 6, meanwhile, when the gas-water separator 9 needs to be replaced after being used for a long time, the air suction pipe 7 is firstly convenient to be drawn out from the gas-water separator 9 under the action of the hose 10, the connecting spring 14 is compressed under the action of stress, and therefore the lug 13 is convenient to be separated from the clamping groove matched with the clamping groove in the clamping groove 15, the gas-water separator 9 is convenient to disassemble and replace, and the working efficiency is prevented from being influenced by the conditions that the air-water separator is damaged after being used for a long time.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A gas supply device matched with a low-temperature liquid storage tank comprises a liquid nitrogen pump (1), a gas-liquid separation mechanism and a connecting mechanism, and is characterized in that a connecting pipe (2) is connected to the inner wall of one end of the liquid nitrogen pump (1), a water bath type vaporizer (3) is connected to the outer wall of one end of the connecting pipe (2), a first check valve (4) is installed at the middle joint of the connecting pipe (2), a conveying pipe (5) is connected to the inner wall of the bottom end of the water bath type vaporizer (3), and a second check valve (6) is installed at the middle joint of the conveying pipe (5);
wherein, gas-liquid separation mechanism is including exhaust tube (7) that is located water bath vaporizer (3) top inner wall and extends to liquid nitrogen pump (1) top inner wall, exhaust tube (7) divide into a plurality of sections, and the port position punishment of a plurality of sections exhaust tube (7) is provided with air pump (8), deareator (9), hose (10) and No. three check valve (16) respectively, air pump (8) are located one side of deareator (9), No. three check valve (16) are located the top of connecting pipe (2), the quantity of hose (10) is two, one hose (10) are located between air pump (8) and deareator (9), and another hose (10) are located deareator (9) keep away from one side of air pump (8), gas-liquid separation mechanism is still including being located conveyer pipe (5) port and being located No. two temperature controller (11) below check valve (6), an air pressure sensor (17) is arranged in the water bath type vaporizer (3).
2. The gas supply device for the cryogenic liquid storage tank is matched with the cryogenic liquid storage tank, according to the claim 1, the connecting mechanism comprises a clamping rod (12) which is located at one end of the air suction pipe (7) and located inside the gas-water separator (9), the outer walls of the two sides of the clamping rod (12) are provided with protruding blocks (13), one end of each protruding block (13) is provided with an internal connecting spring (14) penetrating through the clamping rod (12), and the connecting mechanism further comprises a clamping groove (15) which is located at the contact position of the clamping rod (12) and the gas-water separator (9).
3. The gas supply device for the cryogenic liquid storage tank as claimed in claim 1, wherein the pressure sensor (17) is electrically connected to the second check valve (6) through a single chip microcomputer.
4. A supply device for cryogenic liquid storage tanks, according to claim 1, characterized in that the pipe (5) is provided with a sealing ring in the position where it contacts the water bath vaporizer (3).
5. The gas supply device for the cryogenic liquid storage tank as claimed in claim 1, wherein the air exhaust pipe (7) is in an inverted U shape, and a sealing ring is disposed at a position where the air exhaust pipe (7) contacts the connecting pipe (2) and the water bath vaporizer (3).
6. Gas supply device for cryogenic liquid storage tanks, according to claim 2, characterized in that the outer wall of the extraction pipe (7) is fitted with the inner wall of the gas-water separator (9), and the inner wall of the clamping groove (15) is fitted with the outer wall of the clamping rod (12).
7. The gas supply device matched with the cryogenic liquid storage tank as claimed in claim 2, wherein the inner wall of the clamping groove (15) is provided with a clamping groove matched with the bump (13), and a sealing ring is arranged at the position where the exhaust pipe (7) is contacted with the gas-water separator (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120181635.1U CN214369283U (en) | 2021-01-22 | 2021-01-22 | Low temperature liquid storage tank adapted gas supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120181635.1U CN214369283U (en) | 2021-01-22 | 2021-01-22 | Low temperature liquid storage tank adapted gas supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214369283U true CN214369283U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120181635.1U Expired - Fee Related CN214369283U (en) | 2021-01-22 | 2021-01-22 | Low temperature liquid storage tank adapted gas supply device |
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| Country | Link |
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| CN (1) | CN214369283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405851A (en) * | 2022-11-01 | 2022-11-29 | 安徽壹月科技有限公司 | Liquid special gas conveying cabinet capable of realizing quantitative conveying |
-
2021
- 2021-01-22 CN CN202120181635.1U patent/CN214369283U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405851A (en) * | 2022-11-01 | 2022-11-29 | 安徽壹月科技有限公司 | Liquid special gas conveying cabinet capable of realizing quantitative conveying |
| CN115405851B (en) * | 2022-11-01 | 2023-01-06 | 安徽壹月科技有限公司 | Liquid special gas conveying cabinet capable of realizing quantitative conveying |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |
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