CN211450333U - Large-scale normal pressure liquid argon storage tank and argon self-recovery device thereof - Google Patents
Large-scale normal pressure liquid argon storage tank and argon self-recovery device thereof Download PDFInfo
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- CN211450333U CN211450333U CN201922074812.1U CN201922074812U CN211450333U CN 211450333 U CN211450333 U CN 211450333U CN 201922074812 U CN201922074812 U CN 201922074812U CN 211450333 U CN211450333 U CN 211450333U
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Abstract
The embodiment of the utility model discloses argon gas is from recovery unit, including condenser coil and refrigerant pipeline, condenser coil sets up in the gas phase space of the storage tank body of large-scale ordinary pressure liquid argon storage tank, and refrigerant pipeline is linked together with condenser coil, and refrigerant pipeline disposes the refrigerant control valve. The utility model discloses argon gas that large-scale ordinary pressure liquid argon storage tank was equipped with is from recovery unit, and wherein the storage container that the storage tank body was retrieved as liquid argon can realize the self-recovery of argon gas in the storage tank, has increased product economic benefits, has reduced the potential safety hazard of argon gas unloading.
Description
Technical Field
The utility model relates to a cryogenic liquids stores technical field, is a large-scale ordinary pressure liquid argon storage tank and argon gas is from recovery unit more specifically.
Background
Argon gas is a colorless, odorless and tasteless rare inert gas, is chemically inert, has high density and low thermal conductivity, and produces purple glow when discharged. The argon has more industrial application, can be used as protective gas for arc welding (cutting) stainless steel, magnesium, aluminum and other alloys, can also be used as an illumination technology, a filling fluorescent lamp, a photoelectric tube, an illumination tube and the like, and can also be used as a main gas source for converter steelmaking combined blowing and ladle argon blowing refining processes, so the industrial demand of the argon is more vigorous.
The existing industrial and mining enterprises such as large-scale steel mills and the like mostly use argon gas, the argon gas is generally prepared by an air separation device, and a large-scale normal-pressure liquid argon storage tank is usually matched to ensure stable supply. The storage tank mainly comprises an inner container, an outer tank, a heat insulation structure, a pipeline system, a safety device and the like, and is an economical liquid argon storage mode. However, the storage tank has large daily evaporation capacity and low operating pressure, and is easy to be emptied under overpressure, so that resource waste is caused, and safety hazards such as suffocation and the like can be caused when a large amount of storage tank is emptied, so that discharged argon gas needs to be recycled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the above-mentioned not enough of prior art, provide a large-scale ordinary pressure liquid argon storage tank and argon gas from recovery unit thereof.
For solving the technical problem, the utility model discloses the scheme adopts following technical scheme:
the utility model provides an argon gas is from recovery unit disposes in large-scale ordinary pressure liquid argon storage tank, argon gas includes condenser coil and refrigerant pipeline from recovery unit, condenser coil set up in the gas phase space of the storage tank body of large-scale ordinary pressure liquid argon storage tank, the refrigerant pipeline with condenser coil is linked together, just the refrigerant pipeline disposes the refrigerant control valve.
The refrigerant pipeline comprises a refrigerant inlet pipe and a refrigerant outlet pipe, and the refrigerant inlet pipe and the refrigerant outlet pipe are respectively externally connected with the storage tank body and communicated with the condensing coil.
The refrigerant control valve comprises a refrigerant liquid inlet valve and a refrigerant liquid outlet valve, the refrigerant liquid inlet valve is arranged on the refrigerant inlet pipe, and the refrigerant liquid outlet valve is arranged on the refrigerant outlet pipe.
The refrigerant inlet pipe is provided with a refrigerant regulating valve, and the refrigerant regulating valve is connected with the storage tank pressure detection device so as to regulate the opening degree of the refrigerant regulating valve according to the gas phase pressure in the storage tank detected by the storage tank pressure detection device.
The refrigerant outlet pipe is provided with an interlayer; and/or the refrigerant outlet pipe is made of stainless steel.
The refrigerant inlet pipe comprises a refrigerant inlet pipe tank inner section and a refrigerant inlet pipe tank outer section which are communicated with each other, wherein the refrigerant inlet pipe tank outer section is a vacuum pipe.
The vacuum tube comprises a connecting tube, a sleeve, a sealing plate, a vacuumizing nozzle and a positioning plate, the connecting tube is connected with the inner section of the refrigerant inlet tube tank, the sleeve is sleeved on the periphery of the connecting tube, the sealing plate encapsulates the gap end part of the sleeve and the connecting tube, the vacuumizing nozzle is communicated with the sleeve, and the positioning plate is fixedly installed on the outer wall of the sleeve.
The refrigerant medium in the refrigerant pipeline and the condensing coil pipe is liquid nitrogen.
On this basis, the utility model also provides a large-scale ordinary pressure liquid argon storage tank, its dispose above argon gas from recovery unit, wherein the storage container that the storage tank body was retrieved as liquid argon.
The storage tank body comprises an inner tank and an outer tank which are sleeved, and a heat-insulating material is filled between the cylinder body of the inner tank and the cylinder body of the outer tank.
Compared with the prior art, the utility model discloses be provided with argon gas recovery unit, through design condensing coil pipe with gaseous phase argon gas condensation in the gas phase space of large-scale ordinary pressure liquid argon storage tank, liquid argon after the condensation directly falls into in the liquid argon in the storage tank to play the effect from retrieving. Through this argon gas recovery unit, realized the self-recovery of argon gas in the storage tank, reduced the argon gas unloading of large-scale ordinary pressure liquid argon storage tank, turned into liquid argon with argon gas, reduced the waste of product, increased economic benefits, the while is the potential safety hazard that the effectual argon gas that reduces discharged and brought again.
Drawings
FIG. 1 is a schematic structural diagram of a large-scale atmospheric liquid argon storage tank and an argon self-recovery device thereof;
fig. 2 is a schematic structural view of the vacuum tube in fig. 1.
In fig. 1-2, the relevant reference numbers are as follows:
1. a storage tank body 11, an outer tank 12, an inner tank 13 and a heat insulation material; 2. a condenser coil; 3. a refrigerant outlet pipe; 4. a refrigerant drain valve; 5. a refrigerant inlet pipe; 6. the vacuum tube 61, the connecting tube 62, the vacuum nozzle 63, the positioning plate 64, the sleeve 65 and the sealing plate; 7. a refrigerant inlet valve; 8. refrigerant governing valve.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Each example is provided by way of explanation of embodiments of the invention and not limitation of embodiments of the invention.
Referring to fig. 1, the structural schematic diagram of the large-scale atmospheric liquid argon storage tank and its argon gas self-recovery device is shown. This large-scale ordinary pressure liquid argon storage tank includes storage tank body 1 and argon from recovery unit, and wherein the argon can turn into liquid argon with jar interior argon from recovery unit, further describes as follows.
As shown in fig. 1, the storage tank body 1 includes an inner tank 11 and an outer tank 12 which are sleeved together, an interlayer is formed between the two tanks, and a thermal insulation material 13 (specifically, pearl sand or other conventional thermal insulation material, etc.) is filled in the interlayer, so that the storage tank body 1 can store the low-temperature liquid argon. In addition, the storage tank body 1 is further configured with a piping system and a safety device, which can be referred to the known prior art documents and are not described herein.
As shown in fig. 1, the argon self-recovery device mainly comprises a condensing coil 2 and a refrigerant pipeline, wherein: the condensing coil 2 is arranged in the inner tank 11 of the large normal-pressure liquid argon storage tank and is positioned in a gas phase space at the top of the storage tank body 1, the gas phase argon can be condensed after a refrigerant is filled, and the condensed liquid argon directly falls into the liquid argon in the storage tank, so that the self-recovery effect is achieved; the refrigerant pipeline is communicated with the condensing coil 2 and is provided with a refrigerant control valve to supplement the refrigerant. Here, the refrigerant in the refrigerant pipeline and the condensing coil 2 is preferably liquid nitrogen, which has a better cooling effect.
As shown in fig. 1, the refrigerant pipeline is specifically composed of a refrigerant inlet pipe 5 and a refrigerant outlet pipe 3, which are respectively externally connected with the storage tank body and communicated with the condensing coil 2; the refrigerant control valve comprises a refrigerant liquid inlet valve 7 and a refrigerant liquid outlet valve 4 which can be respectively switch valves and are respectively arranged at the outer sections of the refrigerant inlet pipe 5 and the refrigerant outlet pipe 3 for controlling the on-off of refrigerant medium in the refrigerant pipeline. In addition, the refrigerant inlet pipe 5 may further be configured with a refrigerant regulating valve 8, which may be a proportional valve, specifically connected to a storage tank pressure detecting device (shown by a dotted line in the figure), so as to adjust the opening of the refrigerant regulating valve according to the gas phase pressure in the storage tank detected by the storage tank pressure detecting device, thereby correspondingly adjusting the refrigerant flow; meanwhile, the flow of liquid nitrogen can be controlled according to the regulating valve in front of the refrigerant liquid inlet pipe, so that the gas phase pressure of the storage tank is controlled, and the function of automatically recycling argon is achieved.
The storage tank body 1 top in this embodiment has liquid argon storage tank gaseous phase condensing coil 2, is refrigerant feed pipe 5 and refrigerant feed valve 7 and refrigerant governing valve 8 before condensing coil 2, and what connect behind condensing coil 2 is refrigerant drain pipe 3 and refrigerant drain valve 4, and the refrigerant gets into the gasification of vaporizer (not shown) after the heat transfer and uses. When liquid argon storage tank internal pressure was too high, through opening refrigerant feed liquor governing valve 8 and refrigerant feed liquor valve 8, the refrigerant passed through condensing coil 2 and becomes liquid with the argon gas condensation, in the liquid direct drippage storage tank after the condensation, storage tank pressure reduction after the gas in the storage tank is condensed has played the effect of storage tank step-down, turns into liquid argon with the argon gas simultaneously and utilizes once more.
The refrigerant pipeline in this embodiment may be further optimized, for example: the refrigerant outlet pipe 3 is made of stainless steel and is provided with an interlayer; the tank inner section of the refrigerant inlet pipe 5 may be an interlayer stainless steel pipe, the tank outer section of the refrigerant inlet pipe 5 may be a vacuum pipe 6, and of course, the tank inner sections of the refrigerant outlet pipe 3 and the refrigerant inlet pipe 5 may be vacuum pipes, but the cost is increased. The vacuum tube 6 is further described below.
Referring to fig. 2, a schematic diagram of the construction of the vacuum tube of fig. 1 is shown. This vacuum tube 6 comprises takeover 61, sleeve pipe 64, shrouding 65, evacuation mouth 62 and locating plate 63 etc. and the concrete structure is: the connecting pipe 1 is connected with the inner section 5 of the refrigerant inlet pipe tank, the sleeve 64 is sleeved on the periphery of the connecting pipe 61, the seal plate 65 seals the gap end part of the sleeve 64 and the connecting pipe 61, and the vacuumizing nozzle 62 is communicated with the sleeve 63, so that a vacuum part is formed; the positioning plate 63 may be a circular ring plate fixedly mounted on the outer wall of the sleeve 64, so that the sleeve 64 can be reliably positioned and mounted with the outer tank 11.
Large-scale ordinary pressure liquid argon storage tank configuration argon gas in above embodiment is from recovery unit, it has large-scale ordinary pressure liquid argon storage tank body, liquid argon storage tank gaseous phase condensation coil pipe, the stainless steel liquid nitrogen pipe of intermediate layer, liquid nitrogen flowing back root valve, liquid nitrogen feed liquor pipe, parts such as liquid nitrogen feed liquor governing valve, through designing condensation coil pipe in the gas phase space at large-scale ordinary pressure liquid argon storage tank, can be with gaseous phase argon gas condensation, liquid argon after the condensation directly falls into in the liquid argon in the storage tank, thereby play the effect from retrieving.
Thus, the utility model discloses a this argon gas recovery unit has realized the self-recovery of argon gas in the storage tank, has reduced the argon gas unloading of large-scale ordinary pressure liquid argon storage tank, turns into liquid argon with the argon gas, has reduced the waste of product, has increased economic benefits, and the while is the potential safety hazard that the argon gas emission of effectual reduction brought again. Because the utility model discloses large-scale ordinary pressure liquid argon storage tank argon gas recovery unit does not need additionally to increase condensing equipment, liquid argon storage container, and manufacturing cost is comparatively cheap.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention for those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.
Claims (10)
1. The utility model provides an argon gas is from recovery unit, disposes in large-scale ordinary pressure liquid argon storage tank, its characterized in that, argon gas includes condenser coil and refrigerant pipeline from recovery unit, condenser coil set up in the gas phase space of the storage tank body of large-scale ordinary pressure liquid argon storage tank, the refrigerant pipeline with condenser coil is linked together, just the refrigerant pipeline disposes the refrigerant control valve.
2. The argon self-recovery device of claim 1, wherein the refrigerant pipeline comprises a refrigerant inlet pipe and a refrigerant outlet pipe, and the refrigerant inlet pipe and the refrigerant outlet pipe are respectively externally connected with the storage tank body and are communicated with the condensing coil pipe.
3. The argon self-recovery device of claim 2, wherein the refrigerant control valve comprises a refrigerant inlet valve and a refrigerant outlet valve, the refrigerant inlet valve is disposed on the refrigerant inlet pipe, and the refrigerant outlet valve is disposed on the refrigerant outlet pipe.
4. The argon self-recovery device of claim 2, wherein the refrigerant inlet pipe is provided with a refrigerant regulating valve, and the refrigerant regulating valve is connected with the storage tank pressure detection device to regulate the opening degree of the refrigerant regulating valve according to the gas phase pressure in the storage tank detected by the storage tank pressure detection device.
5. The argon self-recovery device of claim 2, wherein the refrigerant outlet pipe is provided with an interlayer; and/or the refrigerant outlet pipe is made of stainless steel.
6. The argon self-recovery device of claim 2, wherein the refrigerant inlet pipe comprises a refrigerant inlet pipe tank inner section and a refrigerant inlet pipe tank outer section which are communicated with each other, wherein the refrigerant inlet pipe tank outer section is a vacuum pipe.
7. The argon self-recovery device of claim 6, wherein the vacuum tube comprises a connection tube, a sleeve, a sealing plate, a vacuum nozzle and a positioning plate, the connection tube is connected with the inner section of the refrigerant inlet tank, the sleeve is sleeved on the periphery of the connection tube, the sealing plate seals the gap end between the sleeve and the connection tube, the vacuum nozzle is communicated with the sleeve, and the positioning plate is fixedly mounted on the outer wall of the sleeve.
8. The argon self-recovery device of any one of claims 1-7, wherein the refrigerant medium in the refrigerant pipeline and the condensation coil is liquid nitrogen.
9. A large-scale ordinary pressure liquid argon storage tank which characterized in that: the argon self-recovery apparatus as recited in any one of claims 1 to 8, wherein the tank body serves as a storage container for liquid argon recovery.
10. The large atmospheric-pressure liquid argon storage tank according to claim 9, wherein the storage tank body comprises an inner tank and an outer tank which are sleeved, and a heat insulation material is filled between a cylinder body of the inner tank and a cylinder body of the outer tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922074812.1U CN211450333U (en) | 2019-11-27 | 2019-11-27 | Large-scale normal pressure liquid argon storage tank and argon self-recovery device thereof |
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| CN201922074812.1U CN211450333U (en) | 2019-11-27 | 2019-11-27 | Large-scale normal pressure liquid argon storage tank and argon self-recovery device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754287A (en) * | 2021-01-08 | 2022-07-15 | 神华氢能科技如皋有限责任公司 | Movable hydrogen filling platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754287A (en) * | 2021-01-08 | 2022-07-15 | 神华氢能科技如皋有限责任公司 | Movable hydrogen filling platform |
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