CN113586942A - Multifunctional low-temperature storage tank - Google Patents

Multifunctional low-temperature storage tank Download PDF

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Publication number
CN113586942A
CN113586942A CN202011319396.8A CN202011319396A CN113586942A CN 113586942 A CN113586942 A CN 113586942A CN 202011319396 A CN202011319396 A CN 202011319396A CN 113586942 A CN113586942 A CN 113586942A
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CN
China
Prior art keywords
valve
gasifier
gasification
tank
liquid
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Pending
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CN202011319396.8A
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Chinese (zh)
Inventor
俞斌
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Wuxi Triumph Gases Equipment Co ltd
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Wuxi Triumph Gases Equipment Co ltd
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Priority to CN202011319396.8A priority Critical patent/CN113586942A/en
Publication of CN113586942A publication Critical patent/CN113586942A/en
Pending legal-status Critical Current

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    • 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
    • F17C3/00—Vessels not under pressure
    • 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
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • 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
    • F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
    • F17C9/02—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
    • 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
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
    • 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
    • F17C2205/0323—Valves
    • F17C2205/0332—Safety valves or pressure relief valves
    • 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
    • F17C2223/0107—Single phase
    • F17C2223/013—Single phase liquid
    • 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
    • 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
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0367—Localisation of heat exchange
    • F17C2227/0388—Localisation of heat exchange separate
    • F17C2227/039—Localisation of heat exchange separate on the 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters

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 multifunctional low-temperature storage tank, and relates to the technical field of low-temperature liquid transportation and gasification. Multi-functional low temperature storage tank, including a jar body, gasification module, pressure boost module, decompression module and controller, the pressure boost module sets up between jar body and gasification module, and gasification module includes the feed liquor end and gives vent to anger the end, and gasification module's feed liquor end and jar body coupling, decompression module set up between gasification module's feed liquor end and jar body, through the pipe connection between gasification module, pressure boost module and the decompression module. Through the setting of gasification module for low temperature storage tank not only can realize storing the function of transporting cryogenic liquids, can also directly realize the gasification work of small part cryogenic liquids, when mill needs the industrial gas of little cube, multi-functional low temperature liquid storage tank can provide a certain amount of industrial gas for mill, need not the installation and debugging simultaneously, and highly integrated multi-functional low temperature liquid storage tank area is little.

Description

Multifunctional low-temperature storage tank
Technical Field
The invention relates to the technical field of low-temperature liquid transportation and gasification, in particular to a multifunctional low-temperature storage tank and a control flow thereof.
Background
In the current operation process of a factory, part of the process needs to use gasified industrial gas to assist the normal operation of the production process, and both low-temperature natural gas and low-temperature nitrogen are common industrial gases.
Some plants do not use such gases in large quantities, but because of the inevitable demands, the plants are also divided into areas for installing cryogenic liquid storage tanks, installing gasifiers and corresponding pipelines, and requiring re-construction of foundations and installation and commissioning.
For these plants, the costs are relatively unacceptable because the industrial gas is not used frequently.
The existing pressurization tank, such as chinese invention patent CN102954345B, discloses a pipeline design of a storage tank and a pressurization part, the transportation tank can increase the pressurization speed, but in actual operation, the tank is transported to a client, the client needs to arrange a vaporizer according to the height of the tank and the position of a liquid outlet, a new foundation needs to be built, the vaporizer needs to be installed and debugged, and then the storage tank is connected with the vaporizer to achieve liquid vaporization, for a little industrial gas, a client needs to pay a large time cost, and for a client who needs gas urgently, the method obviously cannot meet the client requirement.
Disclosure of Invention
In order to realize the transportation and gasification functions of a small amount of low-temperature liquefied gas, the technical scheme of the invention provides a multifunctional low-temperature storage tank. The technical scheme is as follows:
multifunctional low temperature storage tank, including a jar body, gasification module, pressure boost module, decompression module and controller, pressure boost module sets up between jar body and gasification module, gasification module includes the feed liquor end and gives vent to anger the end, gasification module's feed liquor end and jar body coupling, decompression module sets up between gasification module's feed liquor end and jar body, through the pipe connection between gasification module, pressure boost module and the decompression module, be equipped with the flow valve on the pipeline, the controller controls the flow valve function.
Through the setting of pressure boost module for the jar body can realize the pressure boost storage. Through the setting of decompression module, the quick flow gasification of liquid has been realized, gas-liquid flow velocity has been increased when having guaranteed gasification efficiency, setting through gasification module, make the low temperature storage tank not only can realize storing the function of transporting cryogenic liquids, can also directly realize the gasification work of small part cryogenic liquids, when the industrial gas of mill needs little cube, multi-functional low temperature liquid storage pot can provide a certain amount of industrial gas for the mill, need not the installation and debugging simultaneously, highly integrated multi-functional low temperature liquid storage pot area is little.
Particularly, the gasification module is combined with the pressurization module and the pressure reduction module to form a pressurization gasification device and a pressure reduction gasification device, and the pressurization gasification device and the pressure reduction gasification device are connected with the tank body.
The gas in the tank is pressurized and pumped into the tank body again through pressurization gasification, so that the pressure of the low-temperature storage tank is increased, and the gasification of low-temperature liquid is realized through the depressurization gasification device.
Particularly, the depressurization gasification device comprises a first gasifier and a second gasifier, liquid inlet ends of the first gasifier and the second gasifier are connected with the tank body through a depressurization regulating valve, and the depressurization regulating valve is electrically connected with the controller.
Through the setting of two gasifiers for low temperature liquid can carry out gasification respectively through the gasifier on both sides, has multiplied the area of subcooling section, has promoted gasification efficiency greatly.
Particularly, the supercooling sections of the first gasifier and the second gasifier adopt six-fin heat exchange tubes or eight-fin heat exchange tubes, and the gasification sections of the first gasifier and the second gasifier adopt twelve-fin heat exchange tubes.
The low-fin heat exchange tubes are adopted in the supercooling sections, excessive condensation and freezing of the supercooling sections are avoided, the heat exchange efficiency of the supercooling sections is guaranteed, the contact area between the heat exchange tubes and air is enlarged by adopting the high-fin heat exchange tubes in the gasification sections, and the heat exchange efficiency is greatly improved.
Particularly, the feed liquor end of the tank body is provided with an upper feed liquor valve and a lower feed liquor valve, the controller controls the lower feed liquor valve to pour low-temperature liquid into the bottom of the tank body, and the controller controls the upper feed liquor valve to pour the low-temperature liquid into the top of the tank body.
Through the setting of last feed liquor valve and lower feed liquor valve for the feed liquor of jar body can be divided into the flow of bottom feed liquor and upper portion fluid infusion, can open two feed liquor valves feed liquor simultaneously when the liquid level is lower, and the pressure of feed liquor valve is great down when the liquid level is higher, can open last feed liquor valve this moment and realize the feed liquor operation, has guaranteed the speed and the stability of feed liquor.
Particularly, the pressurization gasification device comprises a third gasifier, the air inlet end of the third gasifier is connected with the top end of the tank body, the air outlet end of the third gasifier is connected with the upper liquid inlet valve through a pressurization regulating valve, and the third gasifier adopts a six-fin heat exchange tube or an eight-fin heat exchange tube.
Particularly, the pressure boost gasification device comprises a third gasifier, the gas inlet end of the third gasifier is connected with the top end of the tank body, the gas outlet end of the third gasifier is connected with the bottom of the tank body through a pressure boost regulating valve, a flame arrester is further arranged between the pressure boost regulating valve and the bottom of the tank body, and the pressure boost regulating valve is electrically connected with the controller.
Particularly, the air outlet end of the first gasifier is connected with the air outlet end of the second gasifier to form an air outlet, an air outlet valve is arranged between the air outlet end of the first gasifier and the air outlet end of the second gasifier and the air outlet, and the air outlet valve is electrically connected with the controller.
Through the setting of gas outlet valve for the gas output of gas outlet can increase or reduce according to the demand, has satisfied the gaseous demand of various flow of customer.
Particularly, an exhaust valve is arranged between the air outlet valve and the air outlet of the second gasifier, and the exhaust valve is electrically connected with the controller.
Through the arrangement of the emptying valve, residual gas which cannot be discharged in the pipeline can be discharged out of the pipeline under the action of the emptying valve, and the pipeline is emptied.
Particularly, the pressure boosting gasification device and the pressure reducing gasification device are arranged on the outer side of the tank body in an annular mode, and heat exchange pipes of the pressure boosting gasification device and the pressure reducing gasification device are distributed on the outer side face of the tank body at equal intervals.
Through set up the heat exchange tube at jar external equidistance, also do not lose the heat exchange efficiency of heat exchanger when having practiced thrift the area of heat exchanger.
Specifically, an emergency cut-off valve is further arranged between the pressure reduction regulating valve and the first gasifier and between the pressure reduction regulating valve and the second gasifier.
The emergency cut-off valve can cut off the liquid supply channel in time when special conditions happen to gasification, and the safety of gasification is guaranteed.
A liquid level meter is further arranged at the bottom of the tank body and comprises a liquid phase valve, a balance valve and a gas phase valve.
Through the setting of level gauge, can be obvious know the internal liquid level height of jar to can carry out the datamation to the surplus in the jar.
Particularly, the top of the tank body is also provided with an overflow device, the overflow device comprises an overflow valve and an exhaust valve, the exhaust valve is connected with the overflow valve, and the overflow valve is connected with the top of the tank body.
Through the arrangement of the overflow device, the liquid level can be ensured not to be higher than a limit value when the liquid level is higher, and the safety of the tank body is ensured.
Furthermore, evacuation valves are arranged on two sides of the emergency cut-off valve.
Through the arrangement of the emptying valve, the pipeline around the emergency cut-off valve can be emptied through the emptying valve under emergency, and the safety of the device is ensured.
Preferably, a liquid using valve and a liquid outlet valve are further arranged between the tank body and the gasification module, the liquid outlet valve is connected with the liquid outlet, and the liquid using valve is connected with the gasification module.
Through the liquid outlet valve, the requirement of a customer for low-temperature liquid can be met, and the requirements of various customers are met.
Specifically, a one-way valve is also arranged between the lower liquid inlet valve and the tank body.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention, in which:
FIG. 1 is a schematic structural diagram of a multifunctional cryogenic storage tank according to an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a block diagram of the right portion of FIG. 2;
fig. 4 is a control flow chart of the multifunctional cryogenic tank according to the embodiment of the present invention.
Reference numerals: 1 first vaporizer, 2 second vaporizers, 3 third vaporizers, 4 pressure reducing regulating valves, 5 tank bodies, 6 upper liquid inlet valves, 7 lower liquid inlet valves, 8 pressure increasing regulating valves, 9 flame arresters, 10 gas outlets, 11 gas outlet valves, 12 emptying valves, 13 one-way valves, 14 emergency cut-off valves, 15 liquid level meters, 16 overflow devices and 17 liquid use valves. 18 liquid outlet valve
Detailed Description
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
In the current operation process of a factory, part of the process needs to use gasified industrial gas to assist the normal operation of the production process, and both low-temperature natural gas and low-temperature nitrogen are common industrial gases.
Some plants do not use such gases in large quantities, but because of the inevitable demands, the plants are also divided into areas for installing cryogenic liquid storage tanks, installing gasifiers and corresponding pipelines, and requiring re-construction of foundations and installation and commissioning.
For these plants, the costs are relatively unacceptable because the industrial gas is not used frequently.
In order to realize the transportation and gasification functions of a small amount of low-temperature liquefied gas, the technical scheme of the invention provides a multifunctional low-temperature storage tank, which comprises the following steps:
the invention is explained in further detail below with reference to fig. 1 to 4.
Multifunctional low temperature storage tank, including a jar body, gasification module, pressure boost module, decompression module and controller, pressure boost module sets up between jar body and gasification module, gasification module includes the feed liquor end and gives vent to anger the end, gasification module's feed liquor end and jar body coupling, decompression module sets up between gasification module's feed liquor end and jar body, through the pipe connection between gasification module, pressure boost module and the decompression module, be equipped with the flow valve on the pipeline, the controller controls the flow valve function.
Through the arrangement of the pressurization module, the tank body 5 can store low-temperature liquid at high pressure. Through the setting of decompression module, the quick flow gasification of liquid has been realized, gas-liquid flow velocity has been increased when having guaranteed gasification efficiency, setting through gasification module, make the low temperature storage tank not only can realize storing the function of transporting cryogenic liquids, can also directly realize the gasification work of small part cryogenic liquids, when the industrial gas of mill needs little cube, multi-functional low temperature liquid storage pot can provide a certain amount of industrial gas for the mill, need not the installation and debugging simultaneously, highly integrated multi-functional low temperature liquid storage pot area is little.
In actual use, the gasification module is combined with the pressurization module and the pressure reduction module to form a pressurization gasification device and a pressure reduction gasification device, and the pressurization gasification device and the pressure reduction gasification device are connected with the tank body 5. The gas in the tank is pressurized and pumped into the tank body 5 again through pressurization gasification, and the low-temperature liquid is gasified through the depressurization gasification device.
In order to improve the gasification efficiency, in practical operation, the depressurization gasification device comprises a first gasifier 1 and a second gasifier 2, the liquid inlet ends of the first gasifier 1 and the second gasifier 2 are connected with a tank body 5 through a depressurization regulating valve 4, and the depressurization regulating valve 4 is electrically connected with a controller. Through the setting of two gasifiers for low temperature liquid can carry out gasification respectively through the gasifier on both sides, has multiplied the area of subcooling section, has promoted gasification efficiency greatly.
Specifically, the supercooling sections of the first gasifier 1 and the second gasifier 2 adopt six-fin heat exchange tubes or eight-fin heat exchange tubes, and the gasification sections of the first gasifier 1 and the second gasifier 2 adopt twelve-fin heat exchange tubes. The low-fin heat exchange tubes are adopted in the supercooling sections, excessive condensation and freezing of the supercooling sections are avoided, the heat exchange efficiency of the supercooling sections is guaranteed, the contact area between the heat exchange tubes and air is enlarged by adopting the high-fin heat exchange tubes in the gasification sections, and the heat exchange efficiency is greatly improved.
Certainly, in order to be full of jar body 5 more fast, the feed liquor end of jar body 5 is equipped with feed liquor valve 6 and lower feed liquor valve 7 on, and feed liquor valve 7 pours into cryogenic liquids into jar body 5 bottom under the controller control, and cryogenic liquids is poured into to jar body 5 top to feed liquor valve 6 on the controller control. A one-way valve 13 is also arranged between the lower liquid inlet valve and the tank body. Through last feed liquor valve 6 and lower feed liquor valve 7's setting for the feed liquor of jar body 5 can divide into the flow of bottom feed liquor and upper portion fluid infusion, can open two feed liquor valves feed liquor simultaneously when the liquid level is lower, and lower feed liquor valve 7's pressure is great when the liquid level is higher, can open last feed liquor valve 6 this moment and realize the feed liquor operation, has guaranteed the speed and the stability of feed liquor.
In one operation mode, the pressurization gasification device comprises a third gasifier 3, the air inlet end of the third gasifier 3 is connected with the top end of the tank body 5, the air outlet end of the third gasifier 3 is connected with the upper liquid inlet valve 6 through a pressurization regulating valve 8, and the third gasifier 3 adopts a six-fin heat exchange tube or an eight-fin heat exchange tube.
Under another kind of mode of operation, pressure boost gasification equipment includes third vaporizer 3, and the inlet end and the jar body 5 top of 3 are connected of third vaporizer, and the end of giving vent to anger of 3 of third vaporizer is connected with jar body 5 bottom through pressure boost governing valve 8, still is equipped with spark arrester 9 between pressure boost governing valve 8 and the jar body 5 bottom, and pressure boost governing valve 8 is connected with the controller electricity.
In order to discharge gasified gas out of the system, the gas outlet end of the first gasifier 1 is connected with the gas outlet end of the second gasifier 2 to form a gas outlet 10, a gas outlet valve 11 is arranged between the gas outlet end of the first gasifier 1 and the gas outlet end of the second gasifier 2 and the gas outlet 10, and the gas outlet valve 11 is electrically connected with the controller. Through the setting of gas outlet valve 11 for the gas output of gas outlet 10 can increase or reduce according to the demand, has satisfied the gaseous demand of various flow of customer.
In particular, an exhaust valve 12 is arranged between the gas outlet valve 11 and the gas outlet 10 of the second gasifier 2, and the exhaust valve 12 is electrically connected with the controller.
Through the arrangement of the evacuation valve 12, the residual gas which cannot be discharged in the pipeline can be discharged out of the pipeline under the action of the evacuation valve 12, and the pipeline is emptied.
Particularly, the pressure boosting gasification device and the pressure reducing gasification device are arranged on the outer side of the tank body 5 in an annular mode, and heat exchange pipes of the pressure boosting gasification device and the pressure reducing gasification device are distributed on the outer side face of the tank body 5 at equal intervals.
Through set up the heat exchange tube at jar 5 outside equidistance, also do not lose the heat exchange efficiency of heat exchanger when having practiced thrift the area of heat exchanger.
Certainly, for the sake of safety, a gas probe and an audible and visual alarm device are further arranged on the low-temperature tank body 5, the gas probe is connected with the audible and visual alarm device and communicated with the controller, corresponding emergency stop measures can be taken in time when natural gas leakage is found, and the safety of gasification is guaranteed.
In order to be able to carry out the emergency stop measures described above, an emergency shut-off valve 14 is also provided between the pressure reducing regulating valve and the first and second vaporizers. The emergency cut-off valve 14 can cut off the liquid supply channel in time when special conditions are met during gasification, and the safety of gasification is ensured. And evacuation valves are arranged on two sides of the emergency cut-off valve 14. Through the arrangement of the exhaust valve, the peripheral pipelines of the emergency cut-off valve 14 can be exhausted through the exhaust valve under emergency, and the safety of the device is ensured.
In order to clearly know whether the liquid level is too low to be used, a liquid level meter 15 is also arranged at the bottom of the tank body, and the liquid level meter 15 comprises a liquid phase valve, a balance valve and a gas phase valve. Through the setting of level gauge 15, can be obvious know the internal liquid level height of jar to can carry out the datamation to the surplus in the jar.
Besides the liquid level is prevented from being too low, the liquid level is also prevented from being too high, so the overflow device 16 is also arranged at the top of the tank body, the overflow device 16 comprises an overflow valve and an exhaust valve, the exhaust valve is connected with the overflow valve, and the overflow valve is connected with the top of the tank body. Through the arrangement of the overflow device 16, the liquid level can be ensured not to be higher than a limit value when the liquid level is higher, and the safety of the tank body is ensured.
Most of the customers are industrial gas which needs to be gasified directly, but for the customers who already have the gasifier, the customers need direct cryogenic liquid to gasify themselves, so a liquid using valve 17 and a liquid outlet valve 18 are also arranged between the tank and the gasification module, the liquid outlet valve 18 is connected with a liquid outlet, and the liquid using valve 17 is connected with the gasification module. Through the liquid outlet valve 18, the requirement of the customer for low-temperature liquid can be met, and the requirements of various customers are met.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. .
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (10)

1. Multi-functional low temperature storage tank, its characterized in that, including a jar body (5), gasification equipment, supercharging device, pressure relief device and controller, supercharging device sets up jar body (5) with between the gasification equipment, gasification equipment includes the feed liquor end and gives vent to anger the end, gasification equipment's feed liquor end with jar body (5) are connected, pressure relief device sets up gasification equipment's feed liquor end with between jar body (5), gasification equipment, supercharging device with through the pipe connection between the pressure relief device, be equipped with the flow valve on the pipeline, the controller control the flow valve function.
2. The multifunctional cryogenic tank of claim 1, wherein a part of the gasification device and the pressurization device form a pressurized gasification device, which is connected to the tank (5).
3. The multifunctional cryogenic storage tank of claim 2, wherein the other part of the gasification device comprises a first gasifier (1) and a second gasifier (2), the liquid inlet ends of the first gasifier (1) and the second gasifier (2) are connected with the tank body (5) through a pressure reduction regulating valve (4), and the pressure reduction regulating valve (4) is electrically connected with the controller.
4. The multifunctional cryogenic storage tank of claim 3, wherein the supercooling sections of the first gasifier (1) and the second gasifier (2) adopt a six-fin heat exchange tube or an eight-fin heat exchange tube, and the gasification sections of the first gasifier (1) and the second gasifier (2) adopt a twelve-fin heat exchange tube.
5. The multifunctional cryogenic storage tank of claim 1, wherein an upper liquid inlet valve (6) and a lower liquid inlet valve (7) are arranged at a liquid inlet end of the tank body (5), the controller controls the lower liquid inlet valve (7) to inject cryogenic liquid to the bottom of the tank body (5), the controller controls the upper liquid inlet valve (6) to inject cryogenic liquid to the top of the tank body (5), a one-way valve (13) is further arranged between the lower liquid inlet valve and the tank body, the pressure boost gasification device comprises a third gasifier (3), a gas inlet end of the third gasifier (3) is connected with the top end of the tank body (5), a gas outlet end of the third gasifier (3) is connected with the bottom of the tank body (5) through a pressure boost regulating valve (8), a flame arrester (9) is further arranged between the pressure boost regulating valve (8) and the bottom of the tank body (5), the pressure boost gasification device comprises a third gasifier (3), the air inlet end of the third gasifier (3) is connected with the top end of the tank body (5), the air outlet end of the third gasifier (3) is connected with the upper liquid inlet valve (6) through the pressure boost regulating valve (8), and the third gasifier (3) adopts a six-fin heat exchange tube or an eight-fin heat exchange tube.
6. The multifunctional cryogenic storage tank of claim 3, wherein the gas outlet end of the first gasifier (1) is connected with the gas outlet end of the second gasifier (2) to form a gas outlet (10), a gas outlet valve (11) is arranged between the gas outlet end of the first gasifier (1) and the gas outlet end of the second gasifier (2) and the gas outlet (10), the gas outlet valve (11) is electrically connected with the controller, an exhaust valve (12) is arranged between the gas outlet valve (11) of the second gasifier (2) and the gas outlet (10), and the exhaust valve (12) is electrically connected with the controller.
7. The multifunctional low-temperature storage tank of claim 2, wherein the pressure boosting gasification device and the gasification device are arranged outside the tank body (5) in an encircling manner, heat exchange tubes of the pressure boosting gasification device and the gasification device are distributed on the outer side surface of the tank body (5) at equal intervals, an emergency cut-off valve (14) is further arranged between the pressure reducing regulating valve and the first gasifier and the second gasifier, and exhaust valves are arranged on two sides of the emergency cut-off valve (14).
8. The multifunctional cryogenic tank of claim 1, wherein a liquid level meter (15) is further arranged at the bottom of the tank body, and the liquid level meter (15) comprises a liquid phase valve, a balance valve and a gas phase valve.
9. The multifunctional cryogenic storage tank of claim 1, wherein the tank top is further provided with an overflow device (16), the overflow device (16) comprises an overflow valve and a drain valve, the drain valve is connected with the overflow valve, and the overflow valve is connected with the tank top.
10. The multifunctional cryogenic tank of claim 1, wherein a liquid use valve (17) and a liquid outlet valve (18) are further arranged between the tank body and the vaporizing device, the liquid outlet valve (18) is connected with a liquid outlet, and the liquid use valve (17) is connected with the vaporizing device.
CN202011319396.8A 2020-11-23 2020-11-23 Multifunctional low-temperature storage tank Pending CN113586942A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011319396.8A CN113586942A (en) 2020-11-23 2020-11-23 Multifunctional low-temperature storage tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011319396.8A CN113586942A (en) 2020-11-23 2020-11-23 Multifunctional low-temperature storage tank

Publications (1)

Publication Number Publication Date
CN113586942A true CN113586942A (en) 2021-11-02

Family

ID=78237969

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011319396.8A Pending CN113586942A (en) 2020-11-23 2020-11-23 Multifunctional low-temperature storage tank

Country Status (1)

Country Link
CN (1) CN113586942A (en)

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