CN207830972U - A kind of superpure nitrogen storage tank - Google Patents
A kind of superpure nitrogen storage tank Download PDFInfo
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- CN207830972U CN207830972U CN201820199193.1U CN201820199193U CN207830972U CN 207830972 U CN207830972 U CN 207830972U CN 201820199193 U CN201820199193 U CN 201820199193U CN 207830972 U CN207830972 U CN 207830972U
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- phenolic foam
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Abstract
The utility model is related to a kind of superpure nitrogen storage tanks,Including the internal tank body with inner cavity,It is enclosed with pearlife filled layer successively from inside to outside on tank wall,Phenolic foam Cold-keeping Layer and vacuum pumpin layer,After the temperature for being used to absorb superpure nitrogen tank inside inside pearlife filled layer filled with pearlife,Keep the required relatively cool degree of liquid nitrogen storage,Phenolic foam is filled with inside phenolic foam Cold-keeping Layer,Reducing the impervious phenolic foam Cold-keeping Layer of the heat outside tank body and entering in pearlife filled layer influences cold insulation,Reduce internal cold air and appears phenolic foam Cold-keeping Layer,Setting is vacuumized inside vacuum pumpin layer,Temperature is difficult to carry out inside and outside transmission under vacuum,It is provided with white paint layer on the outside of vacuum pumpin layer,The utility model is avoided to explode since air pressure increases the too fast cracking for leading to tank body,Reduce the nitrogen total amount of vaporization simultaneously,It is safe,It protects cryogenic effect by force and energy conservation and environmental protection storage effect is good.
Description
Technical field
The utility model is related to a kind of liquid nitrogen storage tanks, and in particular to a kind of superpure nitrogen storage tank.
Background technology
Liquid nitrogen container generally can be divided into two kinds of nitrogen storage tank, liquid nitrogen transfer cask, and nitrogen storage tank is mainly used for the quiet of liquid nitrogen
Set storage, long distance transportation use should not be made in operating conditions, due to liquid nitrogen storage tank be not it is proper absolutely every
Simple storage is only made in heat setting in liquid form after liquid nitrogen compression, therefore during storage, and liquid gas can be continuous
Vaporization, cause liquid nitrogen storage tank internal pressure constantly to rise, the common liquid nitrogen and High Purity Nitrogen compares, nitrogen content percentage is hundred
/ nine ten five or more, it is easier to heated vaporization, and nitrogen content higher after vaporization, the body of nitrogen gaseous under phase homogenous quantities
The air pressure of product many hundreds times bigger than the volume of liquid nitrogen liquid, superpure nitrogen tank inside can reach critical value quickly, not handle easily
Cracking and explosive safety accident occurs, safety-valve is usually set on existing superpure nitrogen storage tank, after controlling vaporization
Nitrogen is discharged, and to control ultrapure tank inside air pressure, however on the one hand the continuous vaporization of superpure nitrogen discharge wastes resource, subtract
Output is lacked, taking away amount of heat after the vaporization of another aspect superpure nitrogen can cause safety-valve to freeze and inside can not normally be discharged
Gaseous nitrogen atmosphere after vaporization is unable to get safely guarantee, safety accident easily occurs.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of safe, guarantor's low temperature effects
The superpure nitrogen storage tank that fruit is strong and energy conservation and environmental protection storage effect is good.
What the technical solution of the utility model was realized in：A kind of superpure nitrogen storage tank, including the internal tank with inner cavity
Body, it is characterised in that：Package is provided with pearlife filled layer successively from inside to outside on the tank wall, phenolic foam is protected
Cooling layer and vacuum pumpin layer, the pearlife filled layer is wrapped on tank wall and inside is filled with pearlife, the phenolic aldehyde bubble
Foam material Cold-keeping Layer is arranged between pearlife filled layer and vacuum pumpin layer and inside is filled with phenolic foam, described to take out very
Dead level is arranged vacuumizes setting in side of the phenolic foam material Cold-keeping Layer far from pearlife filled layer and inside, described to vacuumize
Side of the layer far from phenolic foam Cold-keeping Layer is coated with white paint layer.
By using above-mentioned technical proposal, it is enclosed with pearlife filled layer, phenolic aldehyde successively from inside to outside on tank wall
Foamed plastics Cold-keeping Layer and vacuum pumpin layer, pearlife filled layer inside is filled with pearlife for absorbing superpure nitrogen tank inside
After temperature, the required relatively cool degree of liquid nitrogen storage is kept, while phenol formaldehyde foam is filled with inside phenolic foam Cold-keeping Layer
Plastics, most prominent feature are suitable for the cold insulation of large cold storage, storage tank and pipeline, and the heat reduced outside tank body is impervious
Phenolic foam Cold-keeping Layer, which enters in pearlife filled layer, influences cold insulation, while reducing internal cold air and appearing phenolic aldehyde bubble
Foam plastics Cold-keeping Layer, forms one of thermal insulation barrier, vacuumizes setting inside vacuum pumpin layer, and temperature is difficult to carry out inside and outside under vacuum
It transmits, cold insulation effect is good, and the setting of white paint layer reduces external sunlight heat absorption amount, forms light reflection, this practicality is new
Type reduces the vaporization of superpure nitrogen in inner cavity, reduces the air pressure in inner cavity, and avoid leads to tank body since air pressure growth is too fast
Cracking explosion, while reducing the nitrogen total amount of vaporization, the utility model provide it is a kind of it is safe, to protect cryogenic effect strong
And the superpure nitrogen storage tank that energy conservation and environmental protection storage effect is good.
The utility model is further arranged to：The top of the tank is provided with one end and is connected to relief tube with inner cavity, described to let out
The side of pressure pipe and fixed frame is provided with outside the tank body, cylinder, the output end of the cylinder are installed on the fixed frame
It is connected with push rod, the one end of the push rod far from cylinder is connected with the pressure release baffle for controlling exhaust, and the pressure release baffle is set
It sets inside relief tube.
Preferably：The baroceptor for detecting air pressure inside is provided in the inner cavity, the baroceptor is set
It sets in inner cavity top, the baroceptor and cylinder electrical connection.
Preferably：The relief tube is internally provided with the leather packing for enhancing leakproofness for one end grafting of pressure release baffle.
By using above-mentioned technical proposal, the setting of relief tube reduces the gas in inner cavity for the nitrogen after vaporization is discharged
Pressure, the nitrogen after vaporization can be discharged, baroceptor detects air pressure in inner cavity due to density reasons itself from top of the tank
When big, electric signal is transmitted to cylinder, under the driving effect of cylinder, pushes push rod to control pressure release baffle either on or off, leads
Go out the gaseous nitrogen atmosphere in inner cavity, the cylinder being arranged outside tank body will not be frozen in and be unable to control exhaust, and discharge is a certain amount of
After nitrogen, the air pressure in inner cavity reduces, and baroceptor transmits electric signal to cylinder driving pressure release baffle and is inserted into leather packing, protects
Card superpure nitrogen will not be revealed, and ensure the purity of superpure nitrogen, while baroceptor control cylinder driving exhaust, it is simple in structure can
It leans on.
The utility model is further arranged to：The one end of the relief tube far from tank body is connected with exhaust pipe, the exhaust
The side of pipe is connected with for the steam inlet tube for steam.
Preferably：The pressure release bore is be vented bore twice.
Preferably：The tank base, which is provided with, is used to support fixed fixed block.
By using above-mentioned technical proposal, nitrogen is discharged in exhaust pipe, since the temperature of nitrogen is relatively low, needs to be passed through hot steaming
Vapour ensures that the nitrogen of discharge will not have an impact neighbouring environment and working environment；Exhaust bore is small slow for controlling nitrogen
Slow discharge, is adequately discharged after steam heats, reasonable design；The setting of fixed block is pacified for ensureing that tank body is not easy to topple over
Full accident.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is specific embodiment of the present invention structural schematic diagram.
In figure：
1, tank body 2, inner cavity 3, pearlife filled layer 4, phenolic foam material Cold-keeping Layer 5, vacuum pumpin layer 6, white oil
Enamelled coating 7, fixed block 8, baroceptor 9, relief tube 10, exhaust pipe 11, steam inlet tube 12, cylinder 13, push rod 14,
Pressure release baffle 15, fixed frame 16, leather packing.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the utility model discloses a kind of superpure nitrogen storage tank, including the internal tank body 1 with inner cavity 2,
In the utility model specific embodiment, package is provided with pearlife filled layer 3, phenol successively from inside to outside on 1 outer wall of the tank body
Formaldehyde foam plastic Cold-keeping Layer 4 and vacuum pumpin layer 5, the pearlife filled layer 3 is wrapped on 1 outer wall of tank body and inside is filled with pearl
Light sand, the phenolic foam material Cold-keeping Layer 4 is arranged between pearlife filled layer 3 and vacuum pumpin layer 5 and inside is filled with phenol
Formaldehyde foam plastic, the vacuum pumpin layer 5 are arranged in side of the phenolic foam material Cold-keeping Layer 4 far from pearlife filled layer 3 and interior
Portion vacuumizes setting, and side of the vacuum pumpin layer 5 far from phenolic foam Cold-keeping Layer 4 is coated with white paint layer 6.
By using above-mentioned technical proposal, pearlife filled layer 3, phenol are enclosed with successively from inside to outside on 1 outer wall of tank body
Formaldehyde foam plastic Cold-keeping Layer 4 and vacuum pumpin layer 5,3 inside of pearlife filled layer is filled with pearlife for absorbing superpure nitrogen storage tank
After internal temperature, the required relatively cool degree of liquid nitrogen storage is kept, while 4 inside of phenolic foam Cold-keeping Layer is filled with phenol
Formaldehyde foam plastic, most prominent feature are suitable for the cold insulation of large cold storage, storage tank and pipeline, reduce the heat outside tank body 1
Measuring impervious phenolic foam Cold-keeping Layer 4 and entering in pearlife filled layer 3 influences cold insulation, while reducing internal cold air
Phenolic foam Cold-keeping Layer 4 is appeared, one of thermal insulation barrier is formed, setting is vacuumized inside vacuum pumpin layer 5, temperature is difficult under vacuum
To carry out inside and outside transmission, cold insulation effect is good, and the setting of white paint layer 6 reduces external sunlight heat absorption amount, forms light
Reflection, the utility model reduce the vaporization of superpure nitrogen in inner cavity 2, reduce the air pressure in inner cavity 2, avoid since air pressure increases
The long too fast cracking for leading to tank body 1 explodes, while reducing the nitrogen total amount of vaporization, and the utility model provides a kind of safety
Superpure nitrogen storage tank high, guarantor's cryogenic effect is strong and energy conservation and environmental protection storage effect is good.
In the utility model specific embodiment, 1 top of the tank body is provided with one end and is connected to relief tube 9, institute with inner cavity 2
It states the side of relief tube 9 and is provided with fixed frame 15 outside tank body 1, cylinder 12 is installed on the fixed frame 15, it is described
The output end of cylinder 12 is connected with push rod 13, and the one end of the push rod 13 far from cylinder 12 is connected with the pressure release for controlling exhaust
Baffle 14, the pressure release baffle 14 are arranged inside relief tube 9.
In the utility model specific embodiment, the air pressure sensing for detecting air pressure inside is provided in the inner cavity 2
Device 8, the setting of the baroceptor 8 are electrically connected in 2 top of inner cavity, the baroceptor 8 and cylinder 12.
In the utility model specific embodiment, the relief tube 9 is internally provided with for the 14 one end grafting of pressure release baffle
Leather packing 16 for enhancing leakproofness.
By using above-mentioned technical proposal, the setting of relief tube 9 reduces for the nitrogen after vaporization is discharged in inner cavity 2
Air pressure, the nitrogen after vaporization can be detected from 1 top discharge of tank body, baroceptor 8 in inner cavity 2 due to density reasons itself
When air pressure is excessive, electric signal is transmitted to cylinder 12, under the driving effect of cylinder 12, pushes push rod 13 to control pressure release baffle
14 either on or offs, export the gaseous nitrogen atmosphere in inner cavity 2, and the cylinder 12 being arranged outside tank body 1 will not be frozen in and be unable to control
Exhaust, after a certain amount of nitrogen is discharged, the air pressure in inner cavity 2 reduces, and baroceptor 8 transmits electric signal to the driving of cylinder 12 and lets out
Pressure baffle 14 is inserted into leather packing 16, ensures that superpure nitrogen will not be revealed, and ensures the purity of superpure nitrogen, while baroceptor 8 is controlled
The driving of cylinder 12 exhaust processed, it is simple and reliable for structure.
In the utility model specific embodiment, the one end of the relief tube 9 far from tank body 1 is connected with exhaust pipe 10, institute
The side for stating exhaust pipe 10 is connected with for the steam inlet tube 11 for steam.
In the utility model specific embodiment, 9 internal diameter of the relief tube is twice of 10 internal diameter of exhaust pipe.
In the utility model specific embodiment, 1 bottom of the tank body, which is provided with, is used to support fixed fixed block 7.
By using above-mentioned technical proposal, nitrogen is discharged in exhaust pipe 10, since the temperature of nitrogen is relatively low, needs to be passed through heat
Steam ensures that the nitrogen of discharge will not have an impact neighbouring environment and working environment；10 internal diameter of exhaust pipe is small for controlling nitrogen
Gas is slowly discharged, and is adequately discharged after steam heats, reasonable design；The setting of fixed block 7 is for ensureing that tank body 1 is not easy to topple over
Safety accident occurs.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of superpure nitrogen storage tank, including it is internal with inner cavity（2）Tank body（1）, it is characterised in that：The tank body（1）Outer wall
On from inside to outside successively package be provided with pearlife filled layer（3）, phenolic foam Cold-keeping Layer（4）And vacuum pumpin layer（5）, institute
State pearlife filled layer（3）It is wrapped in tank body（1）It is on outer wall and internal filled with pearlife, the phenolic foam material Cold-keeping Layer
（4）It is arranged in pearlife filled layer（3）And vacuum pumpin layer（5）Between and it is internal be filled with phenolic foam, it is described to vacuumize
Layer（5）It is arranged in phenolic foam material Cold-keeping Layer（4）Far from pearlife filled layer（3）Side and inside vacuumize setting, institute
State vacuum pumpin layer（5）Far from phenolic foam Cold-keeping Layer（4）Side be coated with white paint layer（6）.
2. a kind of superpure nitrogen storage tank according to claim 1, it is characterised in that：The tank body（1）Top is provided with one end
With inner cavity（2）It is connected to relief tube（9）, the relief tube（9）Side and be located at tank body（1）Outside is provided with fixed frame（15）,
The fixed frame（15）On cylinder is installed（12）, the cylinder（12）Output end be connected with push rod（13）, the push rod
（13）Far from cylinder（12）One end be connected with for control exhaust pressure release baffle（14）, the pressure release baffle（14）Setting exists
Relief tube（9）It is internal.
3. a kind of superpure nitrogen storage tank according to claim 2, it is characterised in that：The inner cavity（2）In be provided with for visiting
Survey the baroceptor of air pressure inside（8）, the baroceptor（8）It is arranged in inner cavity（2）Top, the baroceptor
（8）And cylinder（12）Electrical connection.
4. a kind of superpure nitrogen storage tank according to claim 2 or 3, it is characterised in that：The relief tube（9）It is internally provided with
For pressure release baffle（14）The leather packing for enhancing leakproofness of one end grafting（16）.
5. a kind of superpure nitrogen storage tank according to claim 2, it is characterised in that：The relief tube（9）Far from tank body（1）'s
One end is connected with exhaust pipe（10）, the exhaust pipe（10）Side be connected with for the steam inlet tube for steam（11）.
6. a kind of superpure nitrogen storage tank according to claim 5, it is characterised in that：The relief tube（9）Internal diameter is exhaust pipe
（10）Twice of internal diameter.
7. a kind of superpure nitrogen storage tank according to claim 1, it is characterised in that：The tank body（1）Bottom, which is provided with, to be used for
Support fixed fixed block（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820199193.1U CN207830972U (en) | 2018-02-05 | 2018-02-05 | A kind of superpure nitrogen storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820199193.1U CN207830972U (en) | 2018-02-05 | 2018-02-05 | A kind of superpure nitrogen storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207830972U true CN207830972U (en) | 2018-09-07 |
Family
ID=63397012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820199193.1U Active CN207830972U (en) | 2018-02-05 | 2018-02-05 | A kind of superpure nitrogen storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207830972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237630A (en) * | 2018-11-29 | 2020-06-05 | 天津良华新能源科技股份有限公司 | Conveniently transport LNG's air entrainment storage tank |
-
2018
- 2018-02-05 CN CN201820199193.1U patent/CN207830972U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237630A (en) * | 2018-11-29 | 2020-06-05 | 天津良华新能源科技股份有限公司 | Conveniently transport LNG's air entrainment storage tank |
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