CN209180513U - It is a kind of to keep the temperature durable gas pipeline - Google Patents
It is a kind of to keep the temperature durable gas pipeline Download PDFInfo
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- CN209180513U CN209180513U CN201821174939.XU CN201821174939U CN209180513U CN 209180513 U CN209180513 U CN 209180513U CN 201821174939 U CN201821174939 U CN 201821174939U CN 209180513 U CN209180513 U CN 209180513U
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Abstract
The utility model relates to pipeline production technical fields, and in particular to and it is a kind of to keep the temperature durable gas pipeline, it include gas pipeline ontology, outer layer sleeve and annular connection sheet；The gas pipeline ontology successively includes internal layer pipe, heat preservation sandwich layer, outer layer pipe from the inside to the outside；Wherein, the outer wall of the outer layer pipe is coated with corrosion-inhibiting coating, waterproof coating is coated on the inner wall of the internal layer pipe, heat preservation sandwich layer is embedded between the internal layer pipe and outer layer pipe, the internal layer pipe is connected with outer layer pipe by being welded on the annular connection sheet in both left and right ends portion；The outer layer sleeve, which is arranged, to be fixed on the outer layer pipe.The utility model can significantly improve the thermal insulation property of fuel gas transportation pipeline using heat preservation sandwich layer, improve the transfer efficiency of combustion gas；Using for silica flour and nano zine oxide in outer layer sleeve makes the pipeline of preparation with very strong acid-resisting medium etch ability, to extend the service life of gas pipeline.
Description
Technical field
The utility model relates to pipeline production technical fields, and in particular to a kind of to keep the temperature durable gas pipeline.
Background technique
Industry is referred to as always the leading industry of national economy.The industry of China is mainly to have based on basic industry.
Including energy industry, steel and iron industry, mechanical industry etc..It mainly includes three coal, oil and gas and electric power departments.By
It is different in the exploitation of this three and working condition, production technology and traffic condition, therefore production distribution differs from one another.Coal resources
Quantity, quality, kind and exploit condition, distribution situation, determine its exploitation scale and increase benefit, restrict coal industry hair
A possibility that exhibition and area and the whole nation status.Whether one coalfield can be developed or preferentially be laid out, economical in addition to money sends condition
Geographical location also has a major impact.Conveniently situation possesses the traffic of Large scale construction if coalfield is close to energy-consuming center
Traffic condition close to energy production and marketing optimal zone position and is easily obtained necessary Technological Economy support, often obtains preferential development.Petroleum
Industrial mainly includes oil recovery, gas production and oil gas refining.The exploitation of oil and gas and layout depend on petroleum resources reserves
With occurrence condition, the geographical location in oil field successively has a major impact the exploitation of oil gas field.If oil gas field traffic location is good, again
Close to developed area, Development volue is bigger.On the contrary, the oil gas field developing those outlying districts, having inconvenient traffic, difficulty is very
Greatly.Petroleum refining industry's layout was not only influenced by resources supplIes, but also was attracted by market.Because of kind of petroleum products complexity, traffic condition is wanted
Ask higher, fortune product oil is not as good as fortune crude oil economy.Become petrochemical complex as petroleum refining industry is increasingly developed, refines oil work
Industry is intended to set up factories in consumption area more.Power industry mainly includes thermoelectricity, water power and nuclear power.Thermoelectricity plant layout first has to consider combustion
Expect source and load position, water source are also critically important condition.Water power station arrangement is restricted by waterpower resourses, is built comprehensive with river
It is closely related to close development and utilization.
With the rapid development of modern industry, combustion gas becomes more and more important in the industrial production, and combustion gas: being relative to the people
With with for business gas, generally refers in industrial processes, utilize the flame combustion characteristic and metal or non-gold of gas
The architectural characteristic of category chemically reacts, and makes by the workpiece of operation there is a phenomenon where dividing or merging, to reach industrial application
The gas resource of effect.Combustion gas common at present specifically includes that oxygen (containing liquid oxygen), acetylene, propane, liquefied gas, natural gas, nitrogen
Gas, argon gas, helium, carbon dioxide, hydrogen, gaseous mixture etc..
Combustion gas is frequently necessary to use pipeline when being conveyed.And the guarantor of the fuel gas transportation pipeline by prior art preparation
Warm nature can be poor, this makes when weather is colder, since the temperature in pipeline is lower to reduce combustion gas in pipeline
Transfer efficiency；Furthermore pipeline exposure for a long time is in air, and the metal component on surface is sent out under the action of vapor in air
It gets rusty erosion, so that the reduced service life of pipeline.
Utility model content
In view of the above problems, the utility model provide it is a kind of keep the temperature durable gas pipeline, for solve back
The technical problem of the existing short heat insulation effect difference of gas pipeline service life proposed in scape technology.
To achieve the above object, the following technical solution is employed for the utility model:
It is a kind of to keep the temperature durable gas pipeline, it include gas pipeline ontology, outer layer sleeve and annular connection sheet；It is described
Gas pipeline ontology successively includes internal layer pipe, heat preservation sandwich layer, outer layer pipe from the inside to the outside；Wherein, the outer layer pipe is outer
Wall is coated with corrosion-inhibiting coating, is coated with waterproof coating on the inner wall of the internal layer pipe, the internal layer pipe and outer layer pipe it
Between be embedded with heat preservation sandwich layer, the internal layer pipe and outer layer pipe by being welded on the annular connection sheet in both left and right ends portion
It is connected；The outer layer sleeve, which is arranged, to be fixed on the outer layer pipe.
Preferably, a kind of to keep the temperature durable gas pipeline, it is characterised in that: anticorrosive paint used in the corrosion-inhibiting coating with
Weight proportion meter is made of following component: 45 parts of chlorosulfonated polyethylene emulsion, 3.5 parts of tributyl phosphate, nano barium sulfate 4.8
Part, 5.6 parts of titanium dioxide, 15 parts of epoxy resin, 10 parts of dimethylbenzene, 2.8 parts of cetearyl glucoside, 2.2 parts of zinc naphthenate, first
4.3 parts of base methyl acrylate, 1.8 parts of curing agent；The anticorrosive paint the preparation method comprises the following steps: above-mentioned each raw material is added to reaction
In kettle, and by ultrasonic agitation mixing 40min to get anticorrosive paint finished product.
Preferably, the heat preservation sandwich layer is counted with weight proportion and is made of following component: the heat preservation of annular used in heat preservation sandwich layer
Plate is made of by being counted with weight proportion following component: 35 parts of portland cement, 20 parts of vinyl acetate-ethylene copolymerization emulsions, pottery are fine
5 parts, 7 parts of swelling perlite powder and 8 parts of mineral wool；Preparation method are as follows: will above-mentioned each solid material crush after add water and stir for
Slurry, injection moulding abrasive tool moulding form the heat preservation sandwich layer with a thickness of 1.5cm, 12h are stood in aeration-drying environment, to it
Natural coagulation；Up to annular insulation board.
Preferably, water-repellent paint used in the waterproof coating is counted with weight proportion is made of following component: propylene yogurt
43 parts of liquid, 14 parts of n-butyl glycidyl ether, 7 parts of trimethylolpropane, 4 parts of polyvinyl alcohol, 5 parts of superfine alumina silicate, polypropylene
6 parts of acid resin, 2.8 parts of ethyl cellulose, 4.7 parts of titanium dioxide, 7.2 parts of nanometer calcium carbonate, 1.5 parts of coalescing agent and deionized water
17 parts；The anticorrosive paint the preparation method comprises the following steps: above-mentioned each raw material is added in reaction kettle, 35min is mixed to get anti-
Rotten coating finished product.
Preferably, the coalescing agent selects a contracting propylene glycol methyl ether acetate.
Preferably, the outer layer sleeve is counted with weight proportion and is made of following component: 55 parts of polyvinyl chloride resin, ABS20 parts, it is poly-
8 parts of carbonate resin, 2.5 parts of silica flour, 6.3 parts of calcium carbonate powder, 4.2 parts of nano-titanium dioxide and 5.6 parts of nano zine oxide
1.6 parts of antioxidant；The manufacturing process of the outer layer sleeve are as follows: above-mentioned each material is transferred to charging zone, is 1000r/min in revolving speed
Under conditions of 45min is mixed, obtain mixed material；The control of mixed material drop temperature is 38 DEG C, and obtained mixed material is set
Tubing is obtained in squeezing out in extruder；Tubing sizing and fixed length cutting after vacuum cooled again, final outer layer sleeve.
Preferably, the antioxidant selects antioxidant 1010.
A kind of preparation process keeping the temperature durable gas pipeline, comprising the following steps:
S1: the inside and outside wall of internal layer pipe and outer layer pipe is cleaned respectively with lye, then again with sand paper in it
Outer wall carries out polishing derusting；
S2: water-repellent paint is sent into airless spray unit, enterprising by inner wall of the airless spray unit to internal layer pipe
Row spraying, so that waterproof coating is tightly coated on the inner wall of internal layer pipe；
S3: heat preservation sandwich layer being closely coated on the outer wall of internal layer pipe, then by hydraulic press by internal layer pipe and
The direction of heat preservation sandwich layer from left to right is pressed into outer layer pipe, and annular connection sheet is then respectively welded at internal layer pipe and outer layer
The left and right both ends of the surface of pipe, are sealed welding；
S4: anticorrosive paint is sprayed on the outer wall of outer layer pipe using electrostatic painting process；Then solid by high temperature again
Change makes powder firmly be coated in pipe surface, finally obtains the gas pipeline ontology of no outer layer sleeve；
S5: outer layer sleeve is tightly sleeved on the outer wall of the gas pipeline ontology without outer layer sleeve obtained in S4, most
It obtains keeping the temperature durable gas pipeline finished product eventually.
Using above-mentioned technical solution, the beneficial effect that the utility model reaches is:
1, by being embedded heat preservation sandwich layer between internal layer pipe and outer layer pipe, portland cement in insulating layer, pottery be fine,
Swelling perlite powder and mineral wool can play good heat insulation effect, to significantly improve the heat insulating ability of fuel gas transportation pipeline
Can, so that when weather is colder, due to the lower movement speed to which combustion gas molecule in pipeline can be reduced of the temperature in pipeline
Rate, to improve the transfer efficiency of combustion gas.
2, the outer wall of outer layer pipe, which is coated with corrosion-inhibiting coating, can slow down the rate that outer layer pipe outer wall is corroded；Furthermore outside
Contain polyvinyl chloride resin, ABS, silica flour, nano-titanium dioxide and nano zine oxide in layer sleeve；Silica flour in outer layer sleeve and
Nano zine oxide uses the pipeline for making preparation to have very strong acid-resisting medium etch ability, but also has purple well
Outside line shielding and superior antibacterial and biocidal property.The rate for not only slowing down the aging of corrosion-inhibiting coating film and falling off, also subtracts
Outer layer pipe is delayed by vapor, H in atmosphere2S or H2SO3The rate of corrosion, to extend the service life of pipeline.
3, waterproof coating can slow down the inner wall of internal layer pipe because moisture a small amount of in combustion gas corrodes in internal layer pipe for a long time
The metal component of wall and caused by the rate that is corroded from inside to outside of internal layer pipe, not only extend internal layer pipe uses the longevity
Life, also reduces the probability of gas leakage.
Detailed description of the invention
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, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the integrally-built cross-sectional schematic diagram of the utility model；
Fig. 2 is the cross-sectional schematic diagram of gas pipeline ontology.
In figure: 1- gas pipeline ontology, 2- internal layer pipe, 3- heat preservation sandwich layer, 4- outer layer pipe, 5- outer layer sleeve, 6- ring
Shape connection sheet.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Reality based on the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of the utility model protection.
Embodiment 1:
As shown in Figs. 1-2, a kind of to keep the temperature durable gas pipeline, include gas pipeline ontology 1, outer layer sleeve 5 and
Annular connection sheet 6；The gas pipeline ontology 1 successively includes internal layer pipe 2, heat preservation sandwich layer 3 and outer layer pipe from the inside to the outside
4；Wherein, the outer wall of the outer layer pipe 4 is coated with corrosion-inhibiting coating, is coated with waterproof coating on the inner wall of the internal layer pipe 2,
Heat preservation sandwich layer 3 is embedded between the internal layer pipe 2 and outer layer pipe 4, the internal layer pipe 2 and outer layer pipe 4 pass through welding
Annular connection sheet 6 in both left and right ends portion is connected；The outer layer sleeve 5, which is arranged, to be fixed on the outer layer pipe 4.
Specifically, anticorrosive paint used in the corrosion-inhibiting coating is counted with weight proportion is made of following component: chlorosulfonation is poly-
45 parts of vac emulsion, 2.6 parts of tributyl phosphate, 4.5 parts of nano barium sulfate, 5.3 parts of titanium dioxide, 13 parts of epoxy resin, dimethylbenzene 8
Part, 2.7 parts of cetearyl glucoside, 1.6 parts of zinc naphthenate, 3.8 parts of methyl methacrylate, 1.3 parts of curing agent；It is described anti-
Rotten coating the preparation method comprises the following steps: above-mentioned each raw material is added in reaction kettle, and by ultrasonic agitation mixing 35min to get anti-
Rotten coating finished product.
The heat preservation sandwich layer 3 is counted with weight proportion to be made of following component: annular insulation board used in heat preservation sandwich layer 3 by with
Weight proportion meter is made of following component: 30 parts of portland cement, 20 parts of vinyl acetate-ethylene copolymerization emulsions, pottery are 4 parts fine, swollen
6 parts and 6 parts of mineral wool of swollen crushed crude pearlite；Preparation method are as follows: added water and stirred after crushing above-mentioned each solid material as slurry, note
Enter shaping grinding apparatus molding, forms the heat preservation sandwich layer 3 with a thickness of 1.5cm, stand 10h in aeration-drying environment, it is naturally solidifying to it
Gu；Up to annular insulation board.
Water-repellent paint used in the waterproof coating is counted with weight proportion and is made of following component: 42 parts of acrylic emulsion,
10 parts of n-butyl glycidyl ether, 7 parts of trimethylolpropane, 3 parts of polyvinyl alcohol, 5 parts of superfine alumina silicate, polyacrylic resin 6
Part, 2.0 parts of ethyl cellulose, 4.2 parts of titanium dioxide, 7.2 parts of nanometer calcium carbonate, 1.2 parts of coalescing agent and 17 parts of deionized water；Institute
State anticorrosive paint the preparation method comprises the following steps: above-mentioned each raw material is added in reaction kettle, and 30min is mixed to get anticorrosive paint
Finished product.
The outer layer sleeve 5 is counted with weight proportion to be made of following component: 50 parts of polyvinyl chloride resin, ABS17 parts, polycarbonate
4.2 parts of 8 parts of resin, 2.8 parts of silica flour, 4.5 parts of calcium carbonate powder, 4.2 parts of nano-titanium dioxide and nano zine oxide antioxidant
2.0 part；The manufacturing process of the outer layer sleeve 5 are as follows: above-mentioned each material is transferred to charging zone, in the item that revolving speed is 1000r/min
40min is mixed under part, obtains mixed material；The control of mixed material drop temperature is 35 DEG C, and obtained mixed material is placed in crowded
It is squeezed out in machine out and obtains tubing；Tubing sizing and fixed length cutting after vacuum cooled again, final outer layer sleeve 5.
A kind of preparation process keeping the temperature durable gas pipeline 1, comprising the following steps:
S1: the inside and outside wall of internal layer pipe 2 and outer layer pipe 4 is cleaned respectively with lye, then again with sand paper to it
Inside and outside wall carries out polishing derusting；
S2: water-repellent paint is sent into airless spray unit, enterprising by inner wall of the airless spray unit to internal layer pipe 2
Row spraying, so that waterproof coating is tightly coated on the inner wall of internal layer pipe 2；
S3: heat preservation sandwich layer 3 being closely coated on the outer wall of internal layer pipe 2, then passes through hydraulic press for internal layer pipe 2
It is pressed into outer layer pipe 4 with the direction of heat preservation sandwich layer 3 from left to right, annular connection sheet 6 is then respectively welded at internal layer pipe 2
With the left and right both ends of the surface of outer layer pipe 4, it is sealed welding；
S4: anticorrosive paint is sprayed on the outer wall of outer layer pipe 4 using electrostatic painting process；Then solid by high temperature again
Change makes powder firmly be coated in pipe surface, finally obtains the gas pipeline ontology 1 of no outer layer sleeve 5；
S5: outer layer sleeve 5 being tightly sleeved on the outer wall of the gas pipeline ontology 1 without outer layer sleeve 5 obtained in S4,
It finally obtains and keeps the temperature durable gas pipeline finished product.
Embodiment 2:
Preferably, anticorrosive paint used in the corrosion-inhibiting coating is counted with weight proportion is made of following component: chlorosulfonation is poly-
40 parts of vac emulsion, 3.5 parts of tributyl phosphate, 4.8 parts of nano barium sulfate, 5.6 parts of titanium dioxide, 12 parts of epoxy resin, dimethylbenzene
10 parts, 2.3 parts of cetearyl glucoside, 2.5 parts of zinc naphthenate, 3.2 parts of methyl methacrylate, 1.5 parts of curing agent；It is described
Anticorrosive paint the preparation method comprises the following steps: above-mentioned each raw material is added in reaction kettle, and by ultrasonic agitation mixing 40min to get
Anticorrosive paint finished product.
Preferably, the heat preservation sandwich layer 3 is counted with weight proportion is made of following component: annular used in heat preservation sandwich layer 3 is protected
Warm plate is made of by being counted with weight proportion following component: 35 parts of portland cement, 15 parts of vinyl acetate-ethylene copolymerization emulsions, pottery
5 parts of fibre, 5 parts of swelling perlite powder and 7 parts of mineral wool；Preparation method are as follows: added water and stirred after crushing above-mentioned each solid material
For slurry, injection moulding abrasive tool moulding forms the heat preservation sandwich layer 3 with a thickness of 1.5cm, stands 12h in aeration-drying environment, to
Its natural coagulation；Up to annular insulation board.
Preferably, water-repellent paint used in the waterproof coating is counted with weight proportion is made of following component: propylene yogurt
40 parts of liquid, 12 parts of n-butyl glycidyl ether, 6 parts of trimethylolpropane, 4 parts of polyvinyl alcohol, 4 parts of superfine alumina silicate, polypropylene
7 parts of acid resin, 1.5 parts of ethyl cellulose, 4.8 parts of titanium dioxide, 6.8 parts of nanometer calcium carbonate, 1.4 parts of coalescing agent and deionized water
15 parts；The anticorrosive paint the preparation method comprises the following steps: above-mentioned each raw material is added in reaction kettle, 35min is mixed to get anti-
Rotten coating finished product.
Preferably, the outer layer sleeve 5 is counted with weight proportion is made of following component: 55 parts of polyvinyl chloride resin, ABS15 parts, it is poly-
10 parts of carbonate resin, 2.2 parts of silica flour, 5.2 parts of calcium carbonate powder, 3.8 parts of nano-titanium dioxide and 4.7 parts of nano zine oxide
1.6 parts of antioxidant；The manufacturing process of the outer layer sleeve 5 are as follows: above-mentioned each material is transferred to charging zone, is 1200r/ in revolving speed
45min is mixed under conditions of min, obtains mixed material；The control of mixed material drop temperature is 40 DEG C, obtained mixed material
It is placed in squeeze out in extruder and obtains tubing；Tubing sizing and fixed length cutting after vacuum cooled again, final outer layer sleeve 5.
Embodiment 3:
Preferably, anticorrosive paint used in the corrosion-inhibiting coating is counted with weight proportion is made of following component: chlorosulfonation is poly-
50 parts of vac emulsion, 3.9 parts of tributyl phosphate, 5.6 parts of nano barium sulfate, 6.5 parts of titanium dioxide, 16 parts of epoxy resin, dimethylbenzene
13 parts, 3.8 parts of cetearyl glucoside, 2.7 parts of zinc naphthenate, 5.3 parts of methyl methacrylate, 1.8 parts of curing agent；It is described
Anticorrosive paint the preparation method comprises the following steps: above-mentioned each raw material is added in reaction kettle, and by ultrasonic agitation mixing 45min to get
Anticorrosive paint finished product.
Preferably, the heat preservation sandwich layer 3 is counted with weight proportion is made of following component: annular used in heat preservation sandwich layer 3 is protected
Warm plate is made of by being counted with weight proportion following component: 38 parts of portland cement, 25 parts of vinyl acetate-ethylene copolymerization emulsions, pottery
7 parts of fibre, 9 parts of swelling perlite powder and 9 parts of mineral wool；Preparation method are as follows: added water and stirred after crushing above-mentioned each solid material
For slurry, injection moulding abrasive tool moulding forms the heat preservation sandwich layer 3 with a thickness of 1.5cm, stands 14h in aeration-drying environment, to
Its natural coagulation；Up to annular insulation board.
Preferably, water-repellent paint used in the waterproof coating is counted with weight proportion is made of following component: propylene yogurt
46 parts of liquid, 14 parts of n-butyl glycidyl ether, 10 parts of trimethylolpropane, 6 parts of polyvinyl alcohol, 8 parts of superfine alumina silicate, polypropylene
8 parts of acid resin, 2.8 parts of ethyl cellulose, 5.2 parts of titanium dioxide, 8.3 parts of nanometer calcium carbonate, 1.6 parts of coalescing agent and deionized water
20 parts；The anticorrosive paint the preparation method comprises the following steps: above-mentioned each raw material is added in reaction kettle, 40min is mixed to get anti-
Rotten coating finished product.
Preferably, the outer layer sleeve 5 is counted with weight proportion is made of following component: 58 parts of polyvinyl chloride resin, ABS20 parts, it is poly-
11 parts of carbonate resin, 3.6 parts of silica flour, 5.8 parts of calcium carbonate powder, 5.2 parts of nano-titanium dioxide and 5.3 parts of nano zine oxide
2.8 parts of antioxidant；The manufacturing process of the outer layer sleeve 5 are as follows: above-mentioned each material is transferred to charging zone, is 1400r/ in revolving speed
55min is mixed under conditions of min, obtains mixed material；The control of mixed material drop temperature is 42 DEG C, obtained mixed material
It is placed in squeeze out in extruder and obtains tubing；Tubing sizing and fixed length cutting after vacuum cooled again, final outer layer sleeve 5.
Embodiment 4:
Preferably, anticorrosive paint used in the corrosion-inhibiting coating is counted with weight proportion is made of following component: chlorosulfonation is poly-
48 parts of vac emulsion, 4.3 parts of tributyl phosphate, 5.2 parts of nano barium sulfate, 6.8 parts of titanium dioxide, 15 parts of epoxy resin, dimethylbenzene
15 parts, 3.3 parts of cetearyl glucoside, 3.2 parts of zinc naphthenate, 4.5 parts of methyl methacrylate, 2.2 parts of curing agent；It is described
Anticorrosive paint the preparation method comprises the following steps: above-mentioned each raw material is added in reaction kettle, and by ultrasonic agitation mixing 50min to get
Anticorrosive paint finished product.
Preferably, the heat preservation sandwich layer 3 is counted with weight proportion is made of following component: annular used in heat preservation sandwich layer 3 is protected
Warm plate is made of by being counted with weight proportion following component: 40 parts of portland cement, 22 parts of vinyl acetate-ethylene copolymerization emulsions, pottery
8 parts of fibre, 7 parts of swelling perlite powder and 11 parts of mineral wool；Preparation method are as follows: added water and stirred after crushing above-mentioned each solid material
For slurry, injection moulding abrasive tool moulding forms the heat preservation sandwich layer 3 with a thickness of 1.5cm, stands 15h in aeration-drying environment, to
Its natural coagulation；Up to annular insulation board.
Preferably, water-repellent paint used in the waterproof coating is counted with weight proportion is made of following component: propylene yogurt
44 parts of liquid, 16 parts of n-butyl glycidyl ether, 8 parts of trimethylolpropane, 7 parts of polyvinyl alcohol, 6 parts of superfine alumina silicate, polypropylene
9 parts of acid resin, 2.5 parts of ethyl cellulose, 5.6 parts of titanium dioxide, 7.8 parts of nanometer calcium carbonate, 1.8 parts of coalescing agent and deionized water
19 parts；The anticorrosive paint the preparation method comprises the following steps: above-mentioned each raw material is added in reaction kettle, 45min is mixed to get anti-
Rotten coating finished product.
Preferably, the outer layer sleeve 5 is counted with weight proportion is made of following component: 60 parts of polyvinyl chloride resin, ABS19 parts, it is poly-
13 parts of carbonate resin, 3.2 parts of silica flour, 6.3 parts of calcium carbonate powder, 4.7 parts of nano-titanium dioxide and 5.6 parts of nano zine oxide
2.5 parts of antioxidant；The manufacturing process of the outer layer sleeve 5 are as follows: above-mentioned each material is transferred to charging zone, is 1500r/ in revolving speed
60min is mixed under conditions of min, obtains mixed material；The control of mixed material drop temperature is 45 DEG C, obtained mixed material
It is placed in squeeze out in extruder and obtains tubing；Tubing sizing and fixed length cutting after vacuum cooled again, final outer layer sleeve 5.
Testing result:
Performance measurement is carried out to the gas pipeline prepared by the utility model, as a result see the table below:
From the data in table can be seen that the acid resistance of gas pipeline prepared by the utility model, wearability and
Shock resistance is relatively good, also indicates that the corrosion resistance of the gas pipeline of the utility model preparation is preferable.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (1)
1. a kind of keep the temperature durable gas pipeline, it is characterised in that: include that gas pipeline ontology, outer layer sleeve and annular connect
Contact pin；The gas pipeline ontology successively includes internal layer pipe, heat preservation sandwich layer, outer layer pipe from the inside to the outside；Wherein, the outer layer
The outer wall of pipe is coated with corrosion-inhibiting coating, is coated with waterproof coating on the inner wall of the internal layer pipe, the internal layer pipe and outer
Heat preservation sandwich layer, the internal layer pipe and outer layer pipe are embedded between layer pipe by being welded on the ring in both left and right ends portion
Shape connection sheet is connected；The outer layer sleeve, which is arranged, to be fixed on the outer layer pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821174939.XU CN209180513U (en) | 2018-07-24 | 2018-07-24 | It is a kind of to keep the temperature durable gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821174939.XU CN209180513U (en) | 2018-07-24 | 2018-07-24 | It is a kind of to keep the temperature durable gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209180513U true CN209180513U (en) | 2019-07-30 |
Family
ID=67358085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821174939.XU Expired - Fee Related CN209180513U (en) | 2018-07-24 | 2018-07-24 | It is a kind of to keep the temperature durable gas pipeline |
Country Status (1)
| Country | Link |
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| CN (1) | CN209180513U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758106A (en) * | 2018-07-24 | 2018-11-06 | 新兴中燃城市燃气发展有限公司 | A kind of gas pipeline and its preparation process that heat preservation is durable |
| CN110726014A (en) * | 2019-10-24 | 2020-01-24 | 安徽国登管业科技有限公司 | Water supply pipeline suitable for high-altitude area and manufacturing process |
-
2018
- 2018-07-24 CN CN201821174939.XU patent/CN209180513U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758106A (en) * | 2018-07-24 | 2018-11-06 | 新兴中燃城市燃气发展有限公司 | A kind of gas pipeline and its preparation process that heat preservation is durable |
| CN110726014A (en) * | 2019-10-24 | 2020-01-24 | 安徽国登管业科技有限公司 | Water supply pipeline suitable for high-altitude area and manufacturing process |
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