CN111765370A - Totally-enclosed skid-mounted supercooled liquid oxygen filling device and equipment - Google Patents

Totally-enclosed skid-mounted supercooled liquid oxygen filling device and equipment Download PDF

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Publication number
CN111765370A
CN111765370A CN202010548347.5A CN202010548347A CN111765370A CN 111765370 A CN111765370 A CN 111765370A CN 202010548347 A CN202010548347 A CN 202010548347A CN 111765370 A CN111765370 A CN 111765370A
Authority
CN
China
Prior art keywords
liquid oxygen
storage tank
subcooler
skid
oxygen storage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010548347.5A
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Chinese (zh)
Inventor
雒川
邹波
明长友
吴长宇
匡龙洋
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.)
Chengdu Craer Cryogenic Equipment Co ltd
Original Assignee
Chengdu Craer Cryogenic Equipment Co ltd
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Filing date
Publication date
Application filed by Chengdu Craer Cryogenic Equipment Co ltd filed Critical Chengdu Craer Cryogenic Equipment Co ltd
Priority to CN202010548347.5A priority Critical patent/CN111765370A/en
Publication of CN111765370A publication Critical patent/CN111765370A/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
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F17C7/02—Discharging liquefied gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
    • 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
    • F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter
    • 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
    • F17C13/08—Mounting arrangements for vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/10—Arrangements for preventing freezing
    • 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
    • F17C6/00—Methods and apparatus for filling vessels not under pressure with liquefied or solidified gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/08—Pipe-line systems for liquids or viscous products
    • F17D1/082—Pipe-line systems for liquids or viscous products for cold fluids, e.g. liquefied gas
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/054—Size medium (>1 m3)
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0103—Exterior arrangements
    • F17C2205/0107—Frames
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/0126—One vessel
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0192—Details of mounting arrangements with external bearing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • 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
    • F17C2205/0355—Insulation thereof
    • 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
    • F17C2221/01—Pure fluids
    • F17C2221/011—Oxygen
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0107—Single phase
    • F17C2225/013—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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • 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
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0626—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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0631—Temperature
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/025—Reducing transfer time
    • 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
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention discloses a totally-enclosed skid-mounted supercooled liquid oxygen filling device and equipment, belonging to the technical field of low-temperature equipment, and comprising a liquid oxygen storage tank, wherein the outlet at the bottom A of the liquid oxygen storage tank is connected with a supercharger, the other end of the supercharger is connected to a gas phase port of the liquid oxygen storage tank, and the gas phase port is connected with a gas distribution table; a subcooler is connected with a B bottom outlet of the liquid oxygen storage tank, the other end of the subcooler is sequentially connected with an A regulating valve, a flowmeter and target equipment, a B regulating valve is connected between the input end of the subcooler and the output end of the A regulating valve in parallel, and the design of external air source pressurization and air temperature type supercharger dual-mode pressurization is adopted; meanwhile, the technology of mixing conventional liquid oxygen and supercooled liquid oxygen is adopted, the function of outputting the supercooled oxygen with adjustable temperature is achieved, the totally-closed skid-mounted supercooled liquid oxygen filling device is integrated in the box body, the mobile skid-mounted design is adopted, the equipment is integrally integrated, the automatic operation of the equipment can be realized by connecting an external main pipeline and a controller, and meanwhile, the whole migration capability is achieved.

Description

Totally-enclosed skid-mounted supercooled liquid oxygen filling device and equipment
Technical Field
The invention belongs to the technical field of low-temperature equipment, and particularly relates to a fully-closed skid-mounted supercooled liquid oxygen filling device and equipment.
Background
Totally closed skid-mounted supercooled liquid oxygen filling device, it is abbreviated as: a supercooled liquid oxygen filling device is supercooled liquid oxygen filling equipment with various excellent characteristics.
The existing subcooled liquid oxygen filling equipment has the following problems in the use process:
(1) the whole integration level of the equipment is not enough, so that the equipment cannot work outdoors, and further the protection requirements of wind, snow and sand environments cannot be met;
(2) in the process of filling the supercooled liquid oxygen, the requirement of pressurization speed cannot be quickly met, and the pressure in the liquid oxygen storage tank cannot be stabilized;
(3) the function of outputting the supercooled oxygen with adjustable temperature cannot be realized, so that the application range of the supercooled liquid oxygen filling equipment is narrow.
Disclosure of Invention
In view of the above, in order to solve the above problems of the prior art, the present invention provides a fully enclosed skid-mounted subcooled liquid oxygen filling device and apparatus.
The technical scheme adopted by the invention is as follows: a totally-enclosed skid-mounted supercooled liquid oxygen filling device comprises a liquid oxygen storage tank, wherein an outlet at the bottom A of the liquid oxygen storage tank is connected with a supercharger, the other end of the supercharger is connected to a gas phase port of the liquid oxygen storage tank, the gas phase port is connected with a gas distribution table, and the liquid oxygen storage tank is supercharged through the gas distribution table; and a B bottom outlet of the liquid oxygen storage tank is connected with a subcooler, the other end of the subcooler is sequentially connected with an A regulating valve, a flowmeter and target equipment, and a B regulating valve is connected between the input end of the subcooler and the output end of the A regulating valve in parallel.
Further, the top of liquid oxygen storage tank fills mouthful and fills mouthful all to communicate to liquid oxygen source with the end, liquid oxygen storage tank is equipped with rather than the inside storage tank blast pipe that communicates to collect liquid oxygen through liquid oxygen storage tank.
Furthermore, the subcooler is communicated with a liquid nitrogen source and takes liquid nitrogen as a heat exchange medium, the subcooler is provided with a subcooler nitrogen gas discharge pipe, and the liquid nitrogen is taken as a subcooler refrigerant, so that the method is economical and practical.
Furthermore, oxygen emptying ports and pipeline blowing ports are arranged on pipelines where the bottom outlet, the gas phase port, the top charging port and the bottom charging port are located, and the pipeline blowing ports are communicated with pipeline blowing ports of the gas distribution table; and a residual liquid discharge pipe of the liquid oxygen storage tank is arranged on the pipeline where the outlet at the bottom A is positioned, so that the filling can be safely discharged when the internal air pressure is too high.
The invention also provides totally-enclosed skid-mounted supercooled liquid oxygen filling equipment which comprises a box body, wherein the totally-enclosed skid-mounted supercooled liquid oxygen filling device is assembled in the box body.
Furthermore, the liquid oxygen storage tank is arranged in the box body, one end of the liquid oxygen storage tank is arranged as a gas distribution operation area, the other end of the liquid oxygen storage tank is arranged as a liquid oxygen filling area, the gas distribution operation area and the liquid oxygen filling area are mutually independent, an operator is far away from a low-temperature medium, and the danger of low-temperature frostbite is avoided.
Further, the distribution operation area is arranged with the toolbox and the distribution platform, and is equipped with the maintenance hatch door that corresponds with the distribution operation area on the box, and the distribution platform satisfies high-pressure nitrogen's gas demand, and can overhaul equipment inside regularly through overhauing the hatch door.
Furthermore, the liquid oxygen filling area is provided with the flowmeter and the subcooler, and the box body is provided with a rolling door corresponding to the liquid oxygen filling area, the rolling door is arranged, the opening is convenient, and the operation space is large.
Furthermore, a discharge pipeline and a filling pipeline in the box body are respectively arranged on different side surfaces, and the discharge pipeline comprises a liquid nitrogen residual liquid discharge pipe and a nitrogen gas discharge pipe of the subcooler, a liquid oxygen residual liquid discharge pipe of the liquid oxygen storage tank and a storage tank exhaust pipe; the filling pipeline comprises a supercooled liquid oxygen filling pipe of the subcooler and a liquid oxygen filling pipe of the liquid oxygen storage tank, and all discharging pipelines and filling pipelines are arranged on two sides during working, so that the medium discharged by the equipment during filling can not affect operators.
Furthermore, the box body comprises a section frame, two ends of the section frame are provided with vertical hinged doors, the top of the section frame is detachably provided with a ceiling, and the side surface of the section frame is provided with a fixed side plate, so that the structural strength is good, and the whole weight of the equipment is reduced; and the corner parts around the bottom of the section bar frame are provided with transportation fixing corner pieces, so that the transportation reliability of the equipment is ensured; the bottom of section bar frame is equipped with the booster both had satisfied the ventilation requirement of booster, also reduced the possibility of artificial damage simultaneously.
The invention has the beneficial effects that:
1. by adopting the totally-enclosed skid-mounted supercooled liquid oxygen filling device disclosed by the invention, an external air source pressurization and air temperature type supercharger dual-mode pressurization design is adopted, the pressurization speed requirement is greatly improved, and the pressure in the storage tank is effectively stabilized during filling; meanwhile, the process of mixing conventional liquid oxygen and supercooled liquid oxygen is adopted, and output flow is adjusted through corresponding proportion adjusting valves by monitoring respective temperatures, so that the function of adjusting the temperature of output supercooled oxygen is achieved.
2. By adopting the fully-closed skid-mounted supercooled liquid oxygen filling equipment disclosed by the invention, a fully-packaged structure is adopted, all parts and elements are integrated in the equipment, and the protection requirements under the environments of rain, snow, wind, sand and the like can be met; the rolling door, the vertical hinged door and the maintenance cabin door which can be opened and closed are locally arranged, so that the requirements of equipment operation and maintenance are met; the mobile skid-mounted design is adopted, the equipment is integrated integrally, the automatic operation of the equipment can be realized by connecting an external main pipeline and a controller, and the integral migration capability is realized; the whole equipment is highly integrated, and the whole system from liquid oxygen source storage to filling is integrated on skid-mounted equipment, so that the device has the advantages of small occupied area, simplicity in installation and convenience in transportation.
Drawings
FIG. 1 is a schematic piping diagram of a totally enclosed skid-mounted subcooled liquid oxygen filling device according to the present disclosure;
FIG. 2 is a schematic diagram of the overall structure of the totally enclosed skid-mounted subcooled liquid oxygen filling apparatus disclosed herein;
FIG. 3 is a schematic top view of FIG. 2;
FIG. 4 is an enlarged partial schematic view of FIG. 3;
the drawings are labeled as follows:
1-a vertical hinged door; 2-ceiling; 3-fixing the side plate; 4-rolling doors; 5, climbing a ladder; 6-foundation bolt mounting holes; 7-air temperature type supercharger; 8, equipment hoisting pieces; 9-a chassis; 10-an access door; 11-transporting fixed corner fittings; 12-a gas distribution table; 13-instrument intake manifold; 14-explosion-proof junction box; 15-bus electrical connector; 16-a liquid oxygen storage tank; 17-process monitoring instrumentation; 18-liquid oxygen raffinate discharge pipe; 19-a storage tank vent pipe; 20-liquid nitrogen raffinate discharge pipe; 21-a flow meter; 22-a subcooler; 23-nitrogen gas discharge pipe; 24-a supercooled liquid oxygen filler pipe; 25-a subcooled liquid oxygen inlet tube; 26-a subcooled liquid oxygen outlet tube; 27-subcooler liquid nitrogen filler pipe; 28-a liquid oxygen storage tank filling pipe; 29-nitrogen pressurization monitoring instrument; 30-tool box.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the indication of the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, or the orientation or the positional relationship which is usually understood by those skilled in the art, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases by those skilled in the art; the drawings in the embodiments are used for clearly and completely describing the technical scheme in the embodiments of the invention, and obviously, the described embodiments are a part of the embodiments of the invention, but not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Example 1
As shown in fig. 1, the embodiment specifically discloses a totally-enclosed skid-mounted subcooled liquid oxygen filling device, which includes a liquid oxygen storage tank, the liquid oxygen storage tank is an existing device, can collect an external liquid oxygen source, and is safely stored for use, and the totally-enclosed skid-mounted subcooled liquid oxygen filling device mainly comprises the following components: the device comprises a tank body, a storage tank exhaust pipe arranged on one side of the top of the tank body, a gas phase port A (reserved for use), a gas phase port B and a top charging port; the top charging port and the bottom charging port of the liquid oxygen storage tank are communicated to a liquid oxygen source to supplement or add liquid oxygen into the liquid oxygen storage tank; the storage tank exhaust pipe is used for discharging the pressurized gas in the liquid oxygen storage tank.
The outlet at the bottom A of the liquid oxygen storage tank is connected with a supercharger, the supercharger adopts an air temperature type supercharger, the other end of the supercharger is connected to the gas phase port B of the liquid oxygen storage tank, and liquid oxygen flows through the air temperature type supercharger and flows back to the gas phase port B under the action of the air temperature type supercharger so as to supercharge the interior of the liquid oxygen storage tank; the gas port B is connected with a gas distribution table, high-pressure nitrogen is introduced into the gas distribution table, and the liquid oxygen storage tank is pressurized through the gas distribution table; the liquid oxygen storage tank can deliver liquid oxygen to a target container in an extrusion filling mode, extrusion pressure can be achieved through air temperature type self-pressurization or external high-pressure nitrogen pressurization, an external high-pressure nitrogen source and air temperature type supercharger dual-mode pressurization structure is adopted, the pressurization speed requirement is greatly improved, and the pressure in the storage tank is effectively stabilized during filling.
A subcooler is connected to an outlet at the bottom B of the liquid oxygen storage tank, the subcooler is also called a heat exchanger, the liquid oxygen is processed by the subcooler and then outputs subcooled liquid oxygen, the subcooled liquid oxygen meets the use requirement of target equipment at the rear end, and the other end of the subcooler is sequentially connected with an A regulating valve, a flowmeter and the target equipment, and a B regulating valve is connected between the input end of the subcooler and the output end of the A regulating valve in parallel. The subcooler is communicated with a liquid nitrogen source and takes liquid nitrogen as a heat exchange medium, the liquid nitrogen is taken as a subcooler refrigerant, the heat exchange core adopts a high-efficiency plate heat exchanger, the subcooler is provided with a subcooler nitrogen discharge pipe, and when overpressure inside the subcooler is generated, nitrogen inside the subcooler is discharged to ensure safe operation of the system. During operation, the pipeline where the regulating valve A is located is communicated with subcooled liquid nitrogen, the pipeline where the regulating valve B is located is communicated with conventional liquid nitrogen, the conventional liquid oxygen and the subcooled liquid oxygen are mixed when the flow meter is started, and the regulating valve A and the regulating valve B are adjusted in corresponding proportion by monitoring the respective temperatures so as to achieve the purpose of adjusting the temperature of the output subcooled liquid oxygen.
An oxygen vent and a pipeline blowing port are arranged on the pipelines where the bottom outlet, the gas phase port, the top charging port and the bottom charging port are located, the pipeline blowing port is communicated with the pipeline blowing port of the gas distribution table, the oxygen vent is used for realizing safe discharge when the system is in overpressure, the safety of the system and rear-end equipment is ensured, the function of safe discharge is achieved, and the pipeline blowing port is used for matching with the pipeline blowing port of the gas distribution table to blow and clean the interior of the pipeline; and a residual liquid discharge pipe of the liquid oxygen storage tank is arranged on the pipeline where the outlet at the bottom A is positioned, and is used for discharging the residual liquid of the liquid oxygen in the liquid oxygen storage tank.
The air temperature type supercharger is designed to be self-pressurized or externally pressurized by high-pressure nitrogen in the totally-enclosed skid-mounted supercooled liquid oxygen filling device, liquid oxygen is conveyed to a target container in an extrusion filling mode, and meanwhile, in the filling process, the liquid oxygen filling platform can achieve stability of filling flow output by controlling extrusion pressure and adjusting the opening degrees of an A adjusting valve and a B adjusting valve.
In this embodiment, the performance parameters of the totally-enclosed skid-mounted subcooled liquid oxygen filling device are as follows:
working fluid oxygen effective volume: less than or equal to 60m3(ii) a The highest working pressure: 2.5 MPa; amount of super-cooled oxygen added: not less than 2.1m3(ii) a Maximum filling flow: less than or equal to 400L/min; supercooling oxygen filling temperature: less than or equal to 80K; flow accuracy: is better than 1 percent; and (3) filtering precision: 70 μm; interface form: a flange/swivel; the control form is as follows: manual and remote control; safety requirements are as follows: and (4) oil prohibition.
Example 2
As shown in fig. 2, fig. 3 and fig. 4, on the basis of embodiment 1, in this embodiment, there is provided a fully-enclosed skid-mounted subcooled liquid oxygen filling apparatus, which includes a tank body as an integrally-enclosed main body, and the fully-enclosed skid-mounted subcooled liquid oxygen filling apparatus in embodiment 1 is integrally assembled in the tank body, that is, each component, a pipeline, a valve, an instrument, and the like in the filling apparatus are integrated in the tank body. The equipment can meet the protection requirements of wind, snow and sand environments in outdoor work, integrates the totally-enclosed skid-mounted type super-cooling liquid oxygen filling device on one skid-mounted equipment, can meet the requirements of transfer, local fixation, external line connection and lump use of the whole skid, and has the advantages of small occupied area, simplicity in installation and convenience in transportation.
The liquid oxygen storage tank 16 is arranged in the tank body, the liquid oxygen storage tank 16 is a main device, the occupied space is large, a space area between one end of the liquid oxygen storage tank 16 and the tank body is set as a gas distribution operation area, and a space area between the other end of the liquid oxygen storage tank 16 and the tank body is set as a liquid oxygen filling area. By adopting the design, the gas distribution operation area and the liquid oxygen filling area are mutually independent, and when the equipment runs, an operator is far away from a low-temperature medium, so that the danger of low-temperature frostbite is avoided. The gas distribution operation area is provided with a tool box 30 and the gas distribution table 12, on one hand, the gas distribution table 12 is provided with a purging pipeline, and the purging pipeline is communicated with pipeline purging ports of all pipelines so as to clean the pipelines; on the other hand, an instrument gas pipeline (namely an instrument gas inlet main pipe 13) is arranged, and a high-pressure gas source is subjected to pressure and flow distribution according to the use requirements of each instrument through the instrument gas inlet main pipe 13; in a further aspect, a tank pressurization line is arranged to pressurize the liquid oxygen tank 16, the tank pressurization line being connected to the liquid oxygen tank 16 and having a nitrogen pressurization monitoring instrument 29 disposed thereon. Be equipped with the maintenance hatch door 10 that corresponds with the distribution operating area on the box, maintenance hatch door 10 adopts special bolt to fix, prevents that non-professional from opening at will, and simultaneously, maintenance hatch door 10 can supply the professional to carry out the periodic overhaul to the inside of equipment. In practical application, an explosion-proof junction box 14 and a bus electrical connector 15 are further arranged in the gas distribution operation area, the explosion-proof junction box 14 is connected with an external power grid, the explosion-proof junction box 14 is connected with the bus electrical connector 15, power is supplied to all required electric components (such as an automatic valve, a flow meter 21 and all meters and the like) of the device through the bus electrical connector 15, for specific circuit arrangement and circuit connection, the improvement point of the embodiment is not located, and a wiring mode should be known to those skilled in the art, and details are not described here.
The liquid oxygen filling area is provided with the flowmeter 21 and the subcooler 22, the box body is provided with the roller shutter door 4 corresponding to the liquid oxygen filling area, and the roller shutter door 4 has the advantages of convenience in opening and large operation space. In the practical application process, the liquid oxygen filling area is divided into two parts, the two parts are respectively provided with the rolling door 4, wherein one part is mainly used for arranging each pipeline, for example: a residual liquid oxygen discharge pipe 18, a storage tank exhaust pipe 19, a liquid oxygen storage tank filling pipe 28 and the like, wherein the residual liquid oxygen discharge pipe 18, the storage tank exhaust pipe 19 and the liquid oxygen storage tank filling pipe 28 are all matched pipelines of the liquid oxygen storage tank 16, the installation and connection method is well known by the technical personnel in the field, an instrument monitoring port is reserved on the liquid oxygen storage tank 16, and the instrument monitoring port is connected with a plurality of process monitoring instruments 17 through pipelines; the other part is mainly used for arranging the liquid oxygen subcooler 22, the flow meter 21 and related pipelines, such as: the subcooler liquid nitrogen residual liquid discharge pipe 20, the flow meter 21, the liquid oxygen subcooler 22, the subcooler nitrogen discharge pipe 23, the subcooler oxygen filling pipe 24, the subcooler oxygen inlet pipe 25, the subcooler oxygen outlet pipe 26, the subcooler liquid nitrogen filling pipe 27 and the like, wherein the subcooler liquid nitrogen residual liquid discharge pipe 20, the subcooler nitrogen discharge pipe 23, the subcooler oxygen filling pipe 24, the subcooler oxygen inlet pipe 25, the subcooler oxygen outlet pipe 26 and the subcooler liquid nitrogen filling pipe 27 are all matched pipelines of the subcooler 22, and the installation and connection methods are well known to those skilled in the art.
Arranging a discharge pipeline and a filling pipeline in the box body on different side surfaces respectively, wherein the discharge pipeline comprises a liquid nitrogen residual liquid discharge pipe 20 and a nitrogen gas discharge pipe 23 of a subcooler 22, a liquid oxygen residual liquid discharge pipe 18 of a liquid oxygen storage tank 16 and a storage tank exhaust pipe 19; the filling lines include a supercooled liquid oxygen filling pipe 24 of the subcooler 22 and a liquid oxygen filling pipe of the liquid oxygen storage tank 16. With this kind of mode design, during operation, all discharge line and filling pipeline divide the both sides to arrange, and the medium that fully guarantees equipment to discharge when filling can not have any influence to operating personnel. Preferably, the pipe opening of the supercooled liquid oxygen filler pipe 24 is independently arranged at the end part, and is isolated from the box body by adopting a heat insulating material, so that the freezing injury of the equipment caused by the low-temperature liquid oxygen is prevented.
In order to ensure the structural stability of the box body, the box body comprises a section bar frame, two ends of the section bar frame are provided with vertical hinged doors 1, and the vertical hinged doors 1 are arranged, so that the box body has the advantage of good sealing performance; the top of the section frame is detachably provided with a ceiling 2, and the side surface of the section frame is also provided with a ladder 5 so that an operator can maintain and manage the ceiling 2; the side face of the section bar frame is provided with a fixed side plate 3, the box body is enclosed by the section bar frame, the ceiling 2, the fixed side plate 3, the vertical hinged door 1, the rolling door 4 and the maintenance cabin door 10, the corners around the bottom of the section bar frame are provided with transportation fixed corner fittings 11, the four transportation fixed corner fittings 11 all adopt standard container corner fittings, and the transportation vehicles can be fixed by the rotation lock, so that the transportation reliability of the equipment is ensured.
Be equipped with on section bar frame's chassis 9 the booster, the booster adopts air temperature formula booster 7, specifically is: the bottom of the section bar frame is provided with the installation box, the air temperature type supercharger 7 is arranged in the installation box, and the installation box adopts a hollow structure design, so that the ventilation requirement of the air temperature type supercharger 7 is met, and meanwhile, the possibility of artificial damage is reduced.
In order to ensure the stable fixation of the equipment, the bottom of the section bar frame is separately provided with an anchor bolt mounting hole 6, and the anchor bolt mounting hole 6 can be used for fixing the equipment in long-term use. In order to ensure that the equipment can be hoisted and moved, a plurality of equipment hoisting pieces 8 are further arranged on the section bar frame.
In the embodiment, all liquid phase pipelines in the equipment adopt high vacuum heat insulation pipes, so that the heat insulation performance is excellent, and the heat loss of the medium is small.
The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.

Claims (10)

1. A totally-enclosed skid-mounted type super-cooling liquid oxygen filling device comprises a liquid oxygen storage tank and is characterized in that an outlet at the bottom A of the liquid oxygen storage tank is connected with a supercharger, the other end of the supercharger is connected to a gas phase port of the liquid oxygen storage tank, the gas phase port is connected with a gas distribution table, and the liquid oxygen storage tank is pressurized through the gas distribution table; and a B bottom outlet of the liquid oxygen storage tank is connected with a subcooler, the other end of the subcooler is sequentially connected with an A regulating valve, a flowmeter and target equipment, and a B regulating valve is connected between the input end of the subcooler and the output end of the A regulating valve in parallel.
2. The fully enclosed skid-mounted subcooled liquid oxygen filling device according to claim 1, wherein both top and bottom charging ports of said liquid oxygen storage tank are connected to a liquid oxygen source, said liquid oxygen storage tank being provided with a storage tank vent pipe connected to the interior thereof.
3. The fully-enclosed skid-mounted subcooled liquid oxygen filling device according to claim 1, wherein the subcooler is communicated with a liquid nitrogen source and uses liquid nitrogen as a heat exchange medium, and is provided with a subcooler nitrogen gas discharge pipe.
4. The fully-closed skid-mounted supercooled liquid oxygen filling device according to claim 1, wherein oxygen blow-down ports and pipeline blow-off ports are arranged on pipelines where the bottom outlet B, the gas phase port, the top charging port and the bottom charging port are arranged, and the pipeline blow-off ports are communicated with the pipeline blow-off ports of the gas distribution table; and a residual liquid discharge pipe of the liquid oxygen storage tank is arranged on the pipeline where the outlet at the bottom A is positioned.
5. A fully-closed skid-mounted supercooled liquid oxygen filling device, which is characterized by comprising a box body, wherein the box body is internally provided with the fully-closed skid-mounted supercooled liquid oxygen filling device according to any one of claims 1 to 4.
6. The fully enclosed skid-mounted subcooled liquid oxygen charging device according to claim 5, wherein said liquid oxygen storage tank is built in said tank, and one end of said liquid oxygen storage tank is set as a gas distribution operation zone and the other end is set as a liquid oxygen charging zone.
7. The fully-enclosed skid-mounted subcooled liquid oxygen filling equipment according to claim 6, wherein the gas distribution operation area is provided with a tool box and the gas distribution table, and the box body is provided with an access door corresponding to the gas distribution operation area.
8. The fully enclosed skid-mounted subcooled liquid oxygen filling equipment according to claim 6, wherein said flow meter and subcooler are arranged in said liquid oxygen filling zone, and a roller shutter door corresponding to the liquid oxygen filling zone is provided on the box body.
9. The fully-enclosed skid-mounted subcooled liquid oxygen filling equipment according to claim 5, wherein a discharge pipeline and a filling pipeline in the tank body are respectively arranged on different side surfaces, and the discharge pipeline comprises a liquid nitrogen residual liquid discharge pipe and a nitrogen gas discharge pipe of a subcooler, a liquid oxygen residual liquid discharge pipe of a liquid oxygen storage tank and a storage tank exhaust pipe; the filling pipeline comprises a supercooled liquid oxygen filling pipe of the subcooler and a liquid oxygen filling pipe of the liquid oxygen storage tank.
10. The fully-closed skid-mounted supercooled liquid oxygen filling equipment according to claim 5, wherein the box body comprises a profile frame, two ends of the profile frame are provided with vertical hinged doors, the top of the profile frame is detachably provided with a ceiling, the side surface of the profile frame is provided with a fixed side plate, the peripheral corners of the bottom of the profile frame are provided with transportation fixed corner fittings, and the bottom of the profile frame is provided with the supercharger.
CN202010548347.5A 2020-06-16 2020-06-16 Totally-enclosed skid-mounted supercooled liquid oxygen filling device and equipment Pending CN111765370A (en)

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