CN204729913U - Double-deck low temperature gas tank - Google Patents
Double-deck low temperature gas tank Download PDFInfo
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- CN204729913U CN204729913U CN201520324930.2U CN201520324930U CN204729913U CN 204729913 U CN204729913 U CN 204729913U CN 201520324930 U CN201520324930 U CN 201520324930U CN 204729913 U CN204729913 U CN 204729913U
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- gas tank
- inner bag
- low temperature
- double
- temperature gas
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Abstract
The utility model provides a kind of double-deck low temperature gas tank, comprise inner bag metal shell and outer cover metal housing, vacuum layer is provided with between inner bag metal shell and outer cover metal housing, the outer wall of inner bag metal shell is coated with insulation heat insulating coating, the inwall of outer cover metal housing is coated with insulation heat insulating coating.The utility model increases the insulation heat-insulating property of interlayer, reduces and leaks heat, reduces the static evaporation rate of gas tank (gas cylinder and/or storage tank), reduces the loss of cryogenic liquide.
Description
Technical field
The utility model relates to a kind of gas tank, particularly relates to a kind of double-deck low temperature gas tank.
Background technique
Low temperature gas tank (low temperature cylinder or low-temperature storage tank) refers to the container of holding low-temperature liquid (liquid oxygen, liquid nitrogen, liquid argon, LNG Liquefied natural gas, liquid carbon dioxide etc.).For low temperature gas tank, the quality of heat-insulating property directly affects the performance of container, and good heat-insulating property is the key ensureing cryogenic liquide long-time speed sensorless vector control, and reflect heat-insulating property the most intuitively an index be static evaporation rate.The heat-insulating property of gas tank is better, then static evaporation rate is lower.
For ensureing the adiabaticity that gas tank is good, low temperature gas tank is generally designed to double layer construction (inner bag and shell), interlayer vacuum state, and inner bag outer wrapping thermoinsulation material or Sandwich filling foam-thermal insulation, place sorbent in interlayer.However, still inevitably produce and leak heat, cause the loss of cryogenic liquide.
Summary of the invention
The purpose of this utility model is the deficiency overcoming prior art existence, provides a kind of double-deck low temperature gas tank.
The purpose of this utility model is achieved through the following technical solutions:
A kind of double-deck low temperature gas tank, comprise inner bag metal shell and outer cover metal housing, vacuum layer is provided with between described inner bag metal shell and described outer cover metal housing, the outer wall of described inner bag metal shell is coated with insulation heat insulating coating, the inwall of described outer cover metal housing is coated with insulation heat insulating coating.
Preferably, be provided with insulation heat insulation layer in described vacuum layer, described insulation heat insulation layer is fibrous glass insulation paper, or aluminum foil paper, or pearlife material.
Preferably, the thickness of described insulation heat insulation layer is at 200 ~ 500 μm.
Preferably, described inner bag metal shell and described outer cover metal housing are carbon steel, or Austenitic stainless steel.
Substantive distinguishing features and the progress of technical solutions of the utility model are mainly reflected in:
The outer wall of inner bag metal shell of the present utility model is coated with insulation heat insulating coating, the inwall of outer cover metal housing is coated with insulation heat insulating coating, increase the insulation heat-insulating property of interlayer, reduce and leak heat, reduce the static evaporation rate of gas tank (gas cylinder and/or storage tank), reduce the loss of cryogenic liquide.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Fig. 1: organigram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described, for embodiment be only to the utility model product or method do generality illustrate, contribute to understanding the utility model better, but the utility model scope can't be limited.
As shown in Figure 1, a kind of double-deck low temperature gas tank, comprise inner bag metal shell 1 and outer cover metal housing 4, vacuum layer is provided with between described inner bag metal shell 1 and described outer cover metal housing 4, the outer wall of described inner bag metal shell 1 is coated with insulation heat insulating coating 2, the inwall of described outer cover metal housing 4 is coated with insulation heat insulating coating 2, wherein, the thickness of described insulation heat insulation layer 2 is at 200 ~ 500 μm.Increase insulation heat insulating coating 2 and can play insulation heat-insulating property, reduce and leak heat, reduce the static evaporation rate of gas tank (gas cylinder and/or storage tank), reduce the loss of cryogenic liquide.
Described inner bag metal shell 1 is enclosed with insulation heat insulation layer 3, described insulation heat insulation layer 3 can be fibrous glass insulation paper, or aluminum foil paper, or pearlife material.But insulation heat insulation layer 3 is also not limited only to above-mentioned material, as long as the material being applicable to insulation adiabatic all can be used on inner bag metal shell 1.
Described inner bag metal shell 1 is carbon steel with described outer cover metal housing 4, or Austenitic stainless steel.When normally using, because inner bag metal shell 1 is pressure-bearing shell, its main material is based on Austenitic stainless steel, and outer cover metal housing 4 can adopt above-mentioned two kinds of materials, but is also not limited only to and these two kinds of materials.
Embodiment 1
Insulation heat insulating coating can by the water of 25 parts ~ 45 parts;
The auxiliary agent of 3 parts ~ 25 parts;
The mineral filler of 3 parts ~ 55 parts;
The coating resin of 5 parts ~ 55 parts;
The coating of the metallic cover microballon of 1 part ~ 30 parts and metallic dust composition, wherein, metal in described metallic cover cenosphere is one or more in manganese, nickel, zinc, cadmium, gallium, indium, molybdenum, tungsten, thallium, gold, silver, copper, iron and aluminium, the material of described metallic dust is one or more in gold, silver, copper, iron and aluminium, states auxiliary agent simultaneously and comprises dispersing agent, coalescents, defoamer, levelling agent and water-thickening agent.
Embodiment 2
Insulation heat insulating coating floating coat can also be formulated by the component of following weight proportion, epoxy resin 10 ~ 20%, acrylate 5 ~ 15%, expanded perlite 30 ~ 45%, silicious marl 5 ~ 8%, asbestos 3 ~ 10%, water glass 5 ~ 10%, nano tin dioxide 2 ~ 5%, pigment 5 ~ 10%, defoamer 0.1 ~ 0.5%, water-thickening agent 0.1 ~ 0.5%, dispersing agent 0.5 ~ 2%, coalescents 1 ~ 2%.Composition.
Embodiment 3
Insulation heat insulating coating floating coat is made up of the component of following weight portion: water-quenched blast-furnace slag 20 ~ 45 parts, 10 ~ 30 parts, pulverized fuel ash, corundum slag 10 ~ 15 parts, stabilizer 2 ~ 3 parts, inorganic binder 30 ~ 35 parts, wherein, the particle diameter of water-quenched blast-furnace slag is 0.2 ~ 3mm, the wherein water-quenched blast-furnace slag 10 ~ 20 parts of particle diameter 1 ~ 3mm, the water-quenched blast-furnace slag 10 ~ 25 parts of particle diameter 0.2 ~ 1mm and inorganic binder is wherein sodium silicate solution, modulus is 2.5 ~ 3.0, and concentration is 25 ~ 35wt%, and preferred concentration is 30wt%.
Embodiment 4
Insulation heat insulating coating floating coat is made up of water, styrene-acrylic emulsion, filler, defoamer, levelling agent, Ricinate, coalescents, it is characterized in that adopted filler is the silicon carbide waste of being wrapped up by polyurethane.According to weight ratio, it consists of water 40-50%, styrene-acrylic emulsion 30-45%, the silicon carbide waste 5-20%, the defoamer 1-5% that are wrapped up by polyurethane, levelling agent 0-4%, Ricinate 0-2%, coalescents 1-10% form, its defoamer adopted be polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether one or more.
Embodiment 5
In insulation heat insulating coating, also there is heat insulation effect, wherein be made up of the raw material of following weight portion: nano-organosilicon emulsion 100-150 part, styrene-acrylic emulsion 30 parts-50 parts, water-soluble saturated polyester resin 15 parts-20 parts, expanded perlite 10 parts-15 parts, hollow beads 30 parts-45 parts, dispersing agent 10 parts-20 parts, plasticizer 4 parts-6 parts, water-thickening agent 4 parts-6 parts, coalescents 1-5 part, pigment 30 parts-50 parts, water 80-100 part.
Embodiment 6
Insulation heat insulating coating, each material is respectively by weight percentage: the deionized water of 25 ~ 35%, the wetting agent of 0.5 ~ 1%, the dispersing agent of 0.5 ~ 1%, the defoamer of 5 ~ 10%, the color stuffing of 10 ~ 12%, the heat insulation function filler of 8 ~ 10%, the reinforcing material of 2 ~ 3%, the coalescents of 1 ~ 1.5%, the fluorine carbon emulsion of 30 ~ 40%, the water-thickening agent of 0.5 ~ 1%, the pH modifier of 0.5 ~ 1%, adding defoamer mass ratio in the defoamer added in mixture A and B is 3:7.
Its preparation process is as follows:
First adjusting rotary speed is 200 ~ 300rpm, add deionized water, wetting agent, dispersing agent, defoamer, stir, then, after adding color stuffing, heat insulation function filler and reinforcing material and coalescents, reaction vessel rotating speed is adjusted to 1200 ~ 1300rpm high speed dispersion, 1 ~ 1.5h and obtains mixture A; Adjusting rotary speed is 400 ~ 500rpm, adds fluorine carbon emulsion, water-thickening agent, pH adjusting agent and defoamer stirring 45 ~ 60min and obtain mixture B in mixture A; Finally filter to obtain coating
Insulation heat insulating coating, is made up of the raw material of following weight parts:
Scolecite 4-6, ceramic fiber 2-4, nylon acid methyl esters 2-4, 8-copper quinolinate 0.7-1, GDMA 4-10, hexabromo-Cyclododecane 0.6-1, potter's clay 10-12, maleic anhydride 1-2, aluminium dihydrogen phosphate 1-3, sym-closene 0.4-1, hexamethyl cyclotrisiloxane 80-100, butyl methacrylate 60-100, EMA 50-60, Hexyl 2-propenoate 130-200, deionized water 500-600, potassium peroxydisulfate 2-4, op-10 3-4, saturated 18 phosphoamide 2-3, adhesive aid
3-6；
Described adhesive aid is made up of each raw material of following weight parts:
Silicone acrylic emulsion 30-36, gypsum micro mist 2-3, polyvinyl alcohol 3-4, potassium peroxydisulfate 1-2, amino resin 0.7-1, nano medical stone powder 3-4, polyethylene glycol dimethacrylate 2-3, deionized water 16-20; By gypsum micro mist, polyvinyl alcohol mixing, insulated and stirred 5-10 minute at 70-80 DEG C, adds potassium peroxydisulfate, is stirred to normal temperature, adds the 50-60% of Silicone acrylic emulsion weight, 60-100 rev/min of dispersed with stirring 2-4 minute; Amino resin is joined in deionized water, after stirring, add polyethylene glycol dimethacrylate, 100-200 rev/min of dispersed with stirring 6-10 minute; Mixed with each raw material of residue by each raw material after above-mentioned process, 300-400 rev/min of dispersed with stirring 10-15 minute, obtains described adhesive aid.
The preparation method of the double-deck low temperature gas tank of above-mentioned belt surface coating, its step is as follows:
Step one, by the inner bag metal shell 1 in double-deck low temperature gas tank and described outer cover metal housing 4 surface cleaning, ball blast mode is adopted to remove the foul such as scale, corrosion on gas tank surface, carry out purging with the pressurized air through deoiling, dewatering afterwards and remove gas cylinder surface floating dust, require that steel cylinder surface cleanliness reaches
Step 2, first carries out the spraying of primer coating, double-deck low temperature gas tank is hung on paint line suspension arrangement, is introduced into dust removal apparatus dedusting; Then enter powder spraying chamber and carry out electrostatic spraying, in spraying process, the suspension arrangement at gas cylinder place enters a rotating machinery, described double-deck low temperature gas tank is made to start at the uniform velocity rotation, spray gun carries out moving the gas cylinder surface simultaneously starting evenly to dust in rotation up and down, form the uniform powder bed of one deck, sprayed rear double-deck low temperature gas tank to enter in High Temperature Furnaces with painting object streamline and be cured, the corrosion-inhibiting coating having solidified rear bottom completes.
Step 3, adopts the spraying method same with step 2 to carry out the spraying of outer field weathering resistance coatings, defines uniform film thickness and the moderate coating of thickness through step 2 and step 3 on double-deck low temperature gas tank surface;
Step 4, double-deck low temperature gas tank out enters cooling unit afterwards with painting object streamline in High Temperature Furnaces, cooling unit adopts water-cooling pattern, when gas cylinder is by cooling unit, this cooling unit is to double-deck low temperature gas tank surface sprinkling water smoke, to under making the temperature on double-deck low temperature gas tank surface, reduce the supply delay time, raise the efficiency.
The utility model uses cladding material, increases the insulation heat-insulating property of interlayer, reduces and leaks heat, reduces the static evaporation rate of gas tank (gas cylinder and/or storage tank), reduces the loss of cryogenic liquide.
It is emphasized that: be only preferred embodiment of the present utility model above, not any pro forma restriction is done to the utility model, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. a double-deck low temperature gas tank, comprise inner bag metal shell (1) and outer cover metal housing (4), vacuum layer is provided with between described inner bag metal shell (1) and described outer cover metal housing (4), it is characterized in that: the outer wall of described inner bag metal shell (1) is coated with insulation heat insulating coating (2), the inwall of described outer cover metal housing (4) is coated with insulation heat insulating coating (2).
2. double-deck low temperature gas tank according to claim 1, is characterized in that: described inner bag metal shell (1) is enclosed with insulation heat insulation layer (4), described insulation heat insulation layer (3) is fibrous glass insulation paper, or aluminum foil paper, or pearlife material.
3. double-deck low temperature gas tank according to claim 1, is characterized in that: the thickness of described insulation heat insulation layer (2) is at 200 ~ 500 μm.
4. double-deck low temperature gas tank according to claim 1, is characterized in that: described inner bag metal shell (1) and described outer cover metal housing (4) are carbon steel, or Austenitic stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324930.2U CN204729913U (en) | 2015-05-20 | 2015-05-20 | Double-deck low temperature gas tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324930.2U CN204729913U (en) | 2015-05-20 | 2015-05-20 | Double-deck low temperature gas tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204729913U true CN204729913U (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520324930.2U Expired - Fee Related CN204729913U (en) | 2015-05-20 | 2015-05-20 | Double-deck low temperature gas tank |
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| CN (1) | CN204729913U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930907A (en) * | 2017-05-24 | 2018-12-04 | 新兴能源装备股份有限公司 | A kind of LNG low-temperature storage tank heat insulating construction |
| CN108930906A (en) * | 2017-05-24 | 2018-12-04 | 新兴能源装备股份有限公司 | A kind of Dual-drum LNG low-temperature storage tank heat insulating construction |
| CN109513414A (en) * | 2018-12-12 | 2019-03-26 | 华南理工大学 | A kind of multi-functional adiabatic reaction kettle for gas hydrates simulation exploitation |
-
2015
- 2015-05-20 CN CN201520324930.2U patent/CN204729913U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930907A (en) * | 2017-05-24 | 2018-12-04 | 新兴能源装备股份有限公司 | A kind of LNG low-temperature storage tank heat insulating construction |
| CN108930906A (en) * | 2017-05-24 | 2018-12-04 | 新兴能源装备股份有限公司 | A kind of Dual-drum LNG low-temperature storage tank heat insulating construction |
| CN109513414A (en) * | 2018-12-12 | 2019-03-26 | 华南理工大学 | A kind of multi-functional adiabatic reaction kettle for gas hydrates simulation exploitation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20170520 |
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| CF01 | Termination of patent right due to non-payment of annual fee |