CN206846294U - A kind of vertical liquid nitrogen refrigerated storage tank - Google Patents
A kind of vertical liquid nitrogen refrigerated storage tank Download PDFInfo
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- CN206846294U CN206846294U CN201720427771.8U CN201720427771U CN206846294U CN 206846294 U CN206846294 U CN 206846294U CN 201720427771 U CN201720427771 U CN 201720427771U CN 206846294 U CN206846294 U CN 206846294U
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- liquid
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- gas phase
- liquid level
- storage tank
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Abstract
The utility model discloses a kind of vertical liquid nitrogen refrigerated storage tank,Including can body,The can body lower end is welded with support,The support centre position is embedded with nameplate,Inner canister is provided with inside the can body,Adiabator layer is filled between the can body and inner canister,Run through inside the adiabator layer and be connected with vacuum filter,The can body upper end, which is run through, is connected with venting,The venting is communicated in inner canister,The can body lower end is connected with liquid level and shows that gas phase mouth and liquid level show liquid phase mouth,The liquid level shows that gas phase mouth and liquid level show that liquid phase mouth is connected with liquid level gauge by pipeline,The can body bottom is welded with top inlet,The top inlet side is provided with bottom liquid inlet mouth,Can body bottom centre position is connected with overfall,The utility model is simple in construction,Adiabator layer is loaded in tank body and inner canister,And vacuumize,Reduce gas heat-transfer,Weaken radiant heat transfer,Make insulation effect more preferable.
Description
Technical field
Low tempertaure storage technical field is the utility model is related to, specially a kind of vertical liquid nitrogen refrigerated storage tank.
Background technology
Liquid nitrogen is the nitrogen of liquid, is inert, colourless, odorless, non-corrosiveness, non-combustible, temperature is extremely low.Nitrogen constitutes
The major part of air（Volume ratio 78.03%, weight is than 75.5%）.Nitrogen is inactive, does not support to burn.Largely inhaled during vaporization
Heat.At ambient pressure, liquid nitrogen temperature is -196 DEG C；1 cubic metre of liquid nitrogen can be expanded to 696 cubic metres 21 °C of pure gaseous nitrogen.
Liquid nitrogen is colourless, tasteless, liquids and gases of low temperature under high pressure.Liquid nitrogen（Often it is written as LN2）, it is that nitrogen is formed at low temperature
Liquid form.The boiling point of nitrogen is -196 °C, if temperature will form liquid nitrogen below this at normal atmospheric pressure；If plus
Pressure, can obtain liquid nitrogen at higher temperatures.In the industry, liquid nitrogen is obtained by air distillation.First by after purification of air,
Liquefy in the environment of pressurization, cooling, separated by the boiling point difference of each group in air point.Nitrogen（Duty air volume
78.09%）Release at first (and not being liquefied), then being in duty gas 0.93% rare gas, be finally account for 20.95% oxygen
Gas.Human body skin, which directly contacts liquid nitrogen moment, to have no problem, just can frostbite and irreversible more than 2 seconds.
During liquid nitrogen storage, because liquid nitrogen will maintain liquid condition, there is potential dangers such as leakage, superpressure, blasts, if not
Find that the hidden danger before these accidents occurs for processing, will develop into major accident in time.Therefore the storage tank of a safety is right
Ensure that the safe storage of liquid nitrogen is extremely important.
The content of the invention
The purpose of this utility model is to provide a kind of vertical liquid nitrogen refrigerated storage tank, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical scheme：A kind of vertical liquid nitrogen refrigerated storage tank, including tank
Body, the can body lower end are welded with support, and the support centre position is embedded with nameplate, inner canister is provided with inside the can body, described
Adiabator layer is filled between can body and inner canister, runs through inside the adiabator layer and is connected with vacuum filter, the tank
End is communicated in inner canister through venting, the venting is connected with it, and the can body lower end is connected with liquid level and shows gas phase mouth
Liquid phase mouth is shown with liquid level, the liquid level shows that gas phase mouth and liquid level show that liquid phase mouth is connected with liquid level gauge by pipeline, described
Can body bottom is welded with top inlet, and the top inlet side is provided with bottom liquid inlet mouth, can body bottom interposition
Put and be connected with overfall.
Preferably, the can body bottom side is welded with gas phase mouth, and described gas phase mouth one end is connected with pressure valve.
Preferably, the gas phase mouth side is provided with liquid discharge outlet, and described liquid discharge outlet one end is connected with draining valve.
Preferably, the gas phase mouth outside is provided with refluxing opening after pump, and refluxing opening is located at gas phase mouth and liquid row after the pump
Put among mouth.
Preferably, the can body bottom other end, which runs through to be connected with, vacuumizes detection mouth, described to vacuumize detection mouth lower end
It is connected with vacuum valve.
Preferably, the top inlet is connected with bottom liquid inlet mouth upper end by valve, described valve one end be provided with into
Liquid mouth.
Compared with prior art, the beneficial effects of the utility model are：The utility model is simple in construction, in tank body and inner canister
Adiabator layer is loaded, and is vacuumized, reduces gas heat-transfer, weakens radiant heat transfer, makes insulation effect more preferable, the resistance to pressure energy of tank body
Power is good, the connection of each mouth of pipe component in lower end, convenient to observe inner canister state, topping up efficiency high, while there is provided explosion-proof valve connection
Mouth and leakage fluid dram, facilitate tank body to use.
Brief description of the drawings
Fig. 1 is the utility model positive structure schematic；
Fig. 2 is the utility model tank interior structural representation；
Fig. 3 is the utility model present invention looks up structural representation.
In figure：1 can body, 2 supports, 3 nameplates, 4 inner canisters, 5 adiabator layers, 6 vacuum filters, 7 ventings, 8 liquid levels show
Show that gas phase mouth, 9 liquid levels show liquid phase mouth, 10 liquid level gauges, 11 top inlets, 12 bottom liquid inlet mouths, 13 overfalls, 14 gas phases
Refluxing opening, 19 vacuumize detection mouth, 20 vacuum valves, 21 valves after mouth, 15 pressure valve, 16 liquid discharge outlets, 17 draining valves, 18 pumps
Door, 22 inlets.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of vertical liquid nitrogen refrigerated storage tank, including can body
1, the lower end of can body 1 is welded with support 2, and the centre position of support 2 is embedded with nameplate 3, and the inside of can body 1 is provided with inner canister 4,
Adiabator layer 5 is filled between the can body 1 and inner canister 4, the inside of adiabator layer 5, which is run through, is connected with vacuum filter
6, the upper end of can body 1 is through venting 7 is connected with, and the venting 7 is communicated in inner canister 4, and the lower end of can body 1 is connected with liquid
Position shows gas phase mouth 8 and liquid level shows liquid phase mouth 9, and the liquid level shows that gas phase mouth 8 and liquid level show that liquid phase mouth 9 is connected by pipeline
Liquid level gauge 10 is connected to, the bottom of can body 1 is welded with top inlet 11, and the side of top inlet 11 is provided with bottom liquid inlet
Mouth 12, the bottom centre position of can body 1 is connected with overfall 13.
Further, the bottom side of can body 1 is welded with gas phase mouth 14, and described one end of gas phase mouth 14 is connected with pressure valve
15。
Further, the side of gas phase mouth 14 is provided with liquid discharge outlet 16, and described one end of liquid discharge outlet 16 is connected with
Draining valve 17.
Further, the outside of gas phase mouth 14 is provided with refluxing opening 18 after pump, and refluxing opening 18 is located at gas phase mouth after the pump
14 and liquid discharge outlet 16 among.
Further, the bottom other end of can body 1, which runs through to be connected with, vacuumizes detection mouth 19, described to vacuumize detection mouth
19 lower ends are connected with vacuum valve 20.
Further, the top inlet 11 is connected with the upper end of bottom liquid inlet mouth 12 by valve 21, the valve 21
One end is provided with inlet 22.
Operation principle：A kind of vertical liquid nitrogen refrigerated storage tank of the utility model, thermal insulating material is loaded between can body 1 and inner canister 4
The bed of material 5, and there is provided the vacuum filter 6 for being used to vacuumize, gas heat-transfer can be significantly reduced, weaken radiant heat transfer, make
Insulation effect is more preferable, and liquid level shows the liquid level gauge 10 that gas phase mouth 8 connects with liquid level display liquid phase mouth 9 upper end, convenient to observe inner canister
The state of middle liquid nitrogen, the venting 7 that the upper end of can body 1 is set, improve the security of tank body, top inlet 11 and bottom liquid inlet
The valves 21 of the connection of mouth 12 facilitate topping up.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of vertical liquid nitrogen refrigerated storage tank, including can body（1）, it is characterised in that：The can body（1）Lower end is welded with support
（2）, the support（2）Centre position is embedded with nameplate（3）, the can body（1）Inside is provided with inner canister（4）, the can body（1）With it is interior
Tank（4）Between be filled with adiabator layer（5）, the adiabator layer（5）Inside, which is run through, is connected with vacuum filter（6）, institute
State can body（1）Upper end, which is run through, is connected with venting（7）, the venting（7）It is communicated in inner canister（4）, the can body（1）Lower end connects
It is connected to liquid level and shows gas phase mouth（8）Liquid phase mouth is shown with liquid level（9）, the liquid level display gas phase mouth（8）Liquid phase is shown with liquid level
Mouthful（9）Liquid level gauge is connected with by pipeline（10）, the can body（1）Bottom is welded with top inlet（11）, the top is entered
Liquid mouth（11）Side is provided with bottom liquid inlet mouth（12）, the can body（1）Bottom centre position is connected with overfall（13）.
A kind of 2. vertical liquid nitrogen refrigerated storage tank according to claim 1, it is characterised in that：The can body（1）Bottom side
It is welded with gas phase mouth（14）, the gas phase mouth（14）One end is connected with pressure valve（15）.
A kind of 3. vertical liquid nitrogen refrigerated storage tank according to claim 2, it is characterised in that：The gas phase mouth（14）Side is set
There is liquid discharge outlet（16）, the liquid discharge outlet（16）One end is connected with draining valve（17）.
A kind of 4. vertical liquid nitrogen refrigerated storage tank according to claim 3, it is characterised in that：The gas phase mouth（14）Outside is set
There is refluxing opening after pump（18）, refluxing opening after the pump（18）Positioned at gas phase mouth（14）And liquid discharge outlet（16）It is middle.
A kind of 5. vertical liquid nitrogen refrigerated storage tank according to claim 1, it is characterised in that：The can body（1）Bottom is another
End, which is run through to be connected with, vacuumizes detection mouth（19）, it is described to vacuumize detection mouth（19）Lower end is connected with vacuum valve（20）.
A kind of 6. vertical liquid nitrogen refrigerated storage tank according to claim 1, it is characterised in that：The top inlet（11）With
Bottom liquid inlet mouth（12）Upper end passes through valve（21）Connection, the valve（21）One end is provided with inlet（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720427771.8U CN206846294U (en) | 2017-04-22 | 2017-04-22 | A kind of vertical liquid nitrogen refrigerated storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720427771.8U CN206846294U (en) | 2017-04-22 | 2017-04-22 | A kind of vertical liquid nitrogen refrigerated storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206846294U true CN206846294U (en) | 2018-01-05 |
Family
ID=60793269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720427771.8U Expired - Fee Related CN206846294U (en) | 2017-04-22 | 2017-04-22 | A kind of vertical liquid nitrogen refrigerated storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206846294U (en) |
-
2017
- 2017-04-22 CN CN201720427771.8U patent/CN206846294U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20210422 |