CN107504324A - A kind of construction technology of the insulation heat preservation layer of deep cooling pipeline connecting device - Google Patents
A kind of construction technology of the insulation heat preservation layer of deep cooling pipeline connecting device Download PDFInfo
- Publication number
- CN107504324A CN107504324A CN201710649367.XA CN201710649367A CN107504324A CN 107504324 A CN107504324 A CN 107504324A CN 201710649367 A CN201710649367 A CN 201710649367A CN 107504324 A CN107504324 A CN 107504324A
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- China
- Prior art keywords
- foam
- outer jacket
- insulation
- deep cooling
- connecting device
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
Present invention is disclosed a kind of construction technology of the insulation heat preservation layer of deep cooling pipeline connecting device; first required to carry out the prefabricated of heat insulating block according to equipment size; then in the longitudinally spaced paste heat-preserving block of equipment surface; equipment surface spray foam bottoming between heat insulating block; when bottoming thickness reaches gross thickness 50%; metal outer jacket is installed in device external successively from the bottom to top; and one layer of just internally space injection-molded foam is often installed; until being installed at apparatus closing end, foam spraying is finally carried out to end socket and then installation coat of metal realizes that integral installation is completed.The present invention provides a kind of construction technology of the insulation heat preservation layer of deep cooling pipeline connecting device, realizes the isothermal holding to connecting equipment, it is ensured that integral heat insulation performance.
Description
Technical field
The present invention relates to the heat-insulation system of deep cooling pipeline connecting device, more particularly to a kind of deep cooling pipeline connecting device is exhausted
The construction technology of edge heat-insulation layer.
Background technology
With advances in technology with the raising of human living standard, liquefied natural gas (LNG), liquid nitrogen (LN2), liquid oxygen
(LO2), the cryogenic liquefying material application such as liquid CO 2 (LCO2), liquefied petroleum gas (LPG) progressively expands, especially
LNG, main component are made up of methane.LNG is to be cooled to -162 DEG C by gaseous natural gas at ambient pressure, is allowed to condense into
Liquid.Storage and transportation space can be greatlyd save after natural gas liquefaction, volume is about the 1/600 of gaseous volume after liquefaction, and is had
The features such as calorific value is big, performance is high.LNG is a kind of cleaning, the efficient energy, is increasingly favored as clean energy resource, a lot
LNG is all classified as preferred fuels by country, and ratio of the natural gas in energy supply increases sharply, and it is most swift and violent to turn into whole world growth
One of energy industry.LNG is by as the popular energy commodity of next whole world contention after oil.
But domestic LNG is that the deep cooling medium transport of representative still relies on groove tank car or gaseous state pipeline transportation at present,
Wherein pipeline is more typical types of transportation, in order to ensure the insulation of pipeline, all can carry out isothermal holding in pipe surface, it is ensured that
Its heat-insulating property, some auxiliary equipments can be also then connected between general pipeline, due to being auxiliary equipment, so its thermal requirements
Many producers do not do excessive emphasis, but actual proof, the heat-insulating property of equipment have very big shadow to overall conveying insulation
Ring.
The content of the invention
A kind of the defects of it is an object of the invention to overcome prior art, there is provided thermal insulating of deep cooling pipeline connecting device
The construction technology of layer, realize the isothermal holding to connecting equipment, it is ensured that integral heat insulation performance.
To achieve the above object, the present invention proposes following technical scheme：
A kind of construction technology of the insulation heat preservation layer of deep cooling pipeline connecting device, comprises the following steps：
A, required to determine the size of prefabricated thermal insulation block according to the size of equipment and insulation thickness；
B, cleaning treatment is carried out to equipment surface, it is ensured that equipment surface is without greasy dirt, floating dust and water stain, then using diaphragm by valve
Door, pressure gauge, console, which protects, prevents foam splashes from producing pollution；
C, prefabricated section hookup wire is drawn according to 60 ° of deciles of circumference in equipment surface, the hookup wire longitudinal arrangement is in equipment surface, so
Deep cooling glue is coated in setting-out position afterwards, and prefabricated section is longitudinally sticked, stands in 60min and treats its solidification；
D, the equipment surface between prefabricated section carries out spray foam bottoming, and bottoming thickness is 4 ~ 5mm, after prime coat solidification,
Continue spray foam until depth of foam reaches the 50% of gross thickness；
E, slave unit bottom starts to install first metal outer jacket, and its height is 1m, and transverse lap width is 50mm, outside metal
The just injection-molded foam in the space of outer jacket parcel after sheath installation, gun traffic and speed is controlled during injection, it is ensured that injection sky
Interior no cavity, and external protection is indeformable；
F, and then on first metal outer jacket continue that second layer metal outer jacket is installed, longitudinal lap joint width is 30mm, horizontal
It is 50mm to lap width, same internally space injection-molded foam repeats the above steps until apparatus closing end position；
G, insulation thickness requirement is sprayed into for the carry out foam at end socket, then stainless steel outer jacket is installed at end socket, really
Gap between outer jacket and foam is protected to fix by rivet between being less than 2mm metal outer jackets；
H, equipment integral insulation heat-insulation layer is checked, it is ensured that indeformable without bulge, seam.
The prefabricated thermal insulation block is polyurethane material, and its density is 35 ~ 50kg/m3.
The metal outer jacket realizes that overlap joint is fixed using rivet or metal sealing glue.
The metal outer jacket is stainless steel, aluminium skin or galvanized iron sheet.
The construction of disclosed insulation heat preservation layer, is constructed in the form of injection-molded foam, by first spraying
Foam bottoming, then coated metal outer jacket, then in metal outer jacket inner space injection-molded foam so that the foam of injection is with beating
Bottom foam and metal outer jacket are preferably bonded, and compared to traditional first injection, polishing is wrapped up the form of outer jacket, not only dropped again
Low cumbersome property, also improves adhesive property.
Compared with prior art, the construction work of the insulation heat preservation layer for a kind of deep cooling pipeline connecting device that the present invention discloses
Skill, there is following usefulness：Constructed using injection-molded foam form, whole work progress is quick and easy, and injection-molded foam is certainly
The cementability of body can realize the good bonding with metal outer jacket, improve service life, while ensure that the insulation of equipment
Performance.
Embodiment
Below in conjunction with the specific embodiment of the present invention, the technical scheme of the embodiment of the present invention is carried out clear, complete
Description.
A kind of construction technology of the insulation heat preservation layer of disclosed deep cooling pipeline connecting device, including following step
Suddenly：
A, required to determine the size of prefabricated thermal insulation block according to the size of equipment and insulation thickness；
B, cleaning treatment is carried out to equipment surface, it is ensured that equipment surface is without greasy dirt, floating dust and water stain, then using diaphragm by valve
Door, pressure gauge, console, which protects, prevents foam splashes from producing pollution；
C, prefabricated section hookup wire is drawn according to 60 ° of deciles of circumference in equipment surface, the hookup wire longitudinal arrangement is in equipment surface, so
Deep cooling glue is coated in setting-out position afterwards, and prefabricated section is longitudinally sticked, stands in 60min and treats its solidification；
D, the equipment surface between prefabricated section carries out spray foam bottoming, and bottoming thickness is 4 ~ 5mm, after prime coat solidification,
Continue spray foam until depth of foam reaches the 50% of gross thickness；
E, slave unit bottom starts to install first metal outer jacket, and its height is 1m, and transverse lap width is 50mm, outside metal
The just injection-molded foam in the space of outer jacket parcel after sheath installation, gun traffic and speed is controlled during injection, it is ensured that injection sky
Interior no cavity, and external protection is indeformable；
F, and then on first metal outer jacket continue that second layer metal outer jacket is installed, longitudinal lap joint width is 30mm, horizontal
It is 50mm to lap width, same internally space injection-molded foam repeats the above steps until apparatus closing end position；
G, insulation thickness requirement is sprayed into for the carry out foam at end socket, then stainless steel outer jacket is installed at end socket, really
Gap between outer jacket and foam is protected to fix by rivet between being less than 2mm metal outer jackets；
H, equipment integral insulation heat-insulation layer is checked, it is ensured that indeformable without bulge, seam.
The metal outer jacket can use rivet or metal sealing glue to realize that overlap joint is fixed according to field demand, enter
Row fluid sealant is fixed to be bonded by glue rifle extrusion at least 4mm adhesive tape in metal level lap-joint, realization.
The metal outer jacket as needed can be according to stainless steel, aluminium skin or galvanized iron sheet.
The prefabricated thermal insulation block is polyurethane hard foam, has good mechanical strength, its performance parameter is referring to table 1
The technology contents and technical characteristic of the present invention have revealed that as above, but those skilled in the art are still potentially based on this
Teaching and the announcement of invention and make a variety of replacements and modification without departing substantially from spirit of the present invention, therefore, the scope of the present invention should not
It is limited to the content disclosed in embodiment, and various replacements and modification without departing substantially from the present invention should be included, and is weighed for present patent application
Profit requires to be covered.
Claims (4)
- A kind of 1. construction technology of the insulation heat preservation layer of deep cooling pipeline connecting device, it is characterised in that：Comprise the following steps：A, required to determine the size of prefabricated thermal insulation block according to the size of equipment and insulation thickness；B, cleaning treatment is carried out to equipment surface, it is ensured that equipment surface is without greasy dirt, floating dust and water stain, then using diaphragm by valve Door, pressure gauge, console, which protects, prevents foam splashes from producing pollution；C, prefabricated section hookup wire is drawn according to 60 ° of deciles of circumference in equipment surface, the hookup wire longitudinal arrangement is in equipment surface, so Deep cooling glue is coated in setting-out position afterwards, and prefabricated section is longitudinally sticked, stands in 60min and treats its solidification；D, the equipment surface between prefabricated section carries out spray foam bottoming, and bottoming thickness is 4 ~ 5mm, after prime coat solidification, Continue spray foam until depth of foam reaches the 50% of gross thickness；E, slave unit bottom starts to install first metal outer jacket, and its height is 1m, and transverse lap width is 50mm, outside metal The just injection-molded foam in the space of outer jacket parcel after sheath installation, gun traffic and speed is controlled during injection, it is ensured that injection sky Interior no cavity, and external protection is indeformable；F, and then on first metal outer jacket continue that second layer metal outer jacket is installed, longitudinal lap joint width is 30mm, horizontal It is 50mm to lap width, same internally space injection-molded foam repeats the above steps until apparatus closing end position；G, insulation thickness requirement is sprayed into for the carry out foam at end socket, then stainless steel outer jacket is installed at end socket, really Gap between outer jacket and foam is protected to fix by rivet between being less than 2mm metal outer jackets；H, equipment integral insulation heat-insulation layer is checked, it is ensured that indeformable without bulge, seam.
- 2. the construction technology of the insulation heat preservation layer of deep cooling pipeline connecting device according to claim 1, it is characterised in that：Institute It is polyurethane material to state prefabricated thermal insulation block, and its density is 35 ~ 50kg/m3.
- 3. the construction technology of the insulation heat preservation layer of deep cooling pipeline connecting device according to claim 1, it is characterised in that：Institute State metal outer jacket and realize that overlap joint is fixed using rivet or metal sealing glue.
- 4. the construction technology of the insulation heat preservation layer of deep cooling pipeline connecting device according to claim 1, it is characterised in that：Institute It is stainless steel, aluminium skin or galvanized iron sheet to state metal outer jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710649367.XA CN107504324B (en) | 2017-08-02 | 2017-08-02 | Construction process of insulating layer of cryogenic pipeline connecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710649367.XA CN107504324B (en) | 2017-08-02 | 2017-08-02 | Construction process of insulating layer of cryogenic pipeline connecting equipment |
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| CN107504324A true CN107504324A (en) | 2017-12-22 |
| CN107504324B CN107504324B (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710649367.XA Active CN107504324B (en) | 2017-08-02 | 2017-08-02 | Construction process of insulating layer of cryogenic pipeline connecting equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000146A (en) * | 2018-07-16 | 2018-12-14 | 酷泰克保温科技江苏有限公司 | A kind of mobile construction method in bank storage tank thermal insulation layer |
| CN110861250A (en) * | 2019-11-21 | 2020-03-06 | 上海宝冶集团有限公司 | Foaming and heat-insulating method for low-temperature working condition refrigeration pipeline |
| CN112524478A (en) * | 2020-12-11 | 2021-03-19 | 酷泰克保温科技江苏有限公司 | Construction process for ultra-large low-temperature liquid-filled insulating layer |
| CN112555672A (en) * | 2020-12-11 | 2021-03-26 | 酷泰克保温科技江苏有限公司 | Manufacturing process of ultra-large low-temperature liquid-filled insulating layer |
| CN112594542A (en) * | 2020-12-11 | 2021-04-02 | 酷泰克保温科技江苏有限公司 | Preparation process of ultra-large low-temperature liquid-filled insulating layer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5699638A (en) * | 1980-01-10 | 1981-08-11 | Kubota Ltd | Manufacture of heat insulating tube |
| CN101004238A (en) * | 2006-12-03 | 2007-07-25 | 岑保卫 | Metal insulation layer for equipment and pipe |
| CN203099220U (en) * | 2013-01-15 | 2013-07-31 | 中国寰球工程公司 | Cryogenic-valve cold insulation structure |
| CN203907094U (en) * | 2014-06-30 | 2014-10-29 | 佰焰(天津)燃气科技发展有限公司 | Heat preservation coupling that liquefied natural gas filling station used |
-
2017
- 2017-08-02 CN CN201710649367.XA patent/CN107504324B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5699638A (en) * | 1980-01-10 | 1981-08-11 | Kubota Ltd | Manufacture of heat insulating tube |
| CN101004238A (en) * | 2006-12-03 | 2007-07-25 | 岑保卫 | Metal insulation layer for equipment and pipe |
| CN203099220U (en) * | 2013-01-15 | 2013-07-31 | 中国寰球工程公司 | Cryogenic-valve cold insulation structure |
| CN203907094U (en) * | 2014-06-30 | 2014-10-29 | 佰焰(天津)燃气科技发展有限公司 | Heat preservation coupling that liquefied natural gas filling station used |
Non-Patent Citations (1)
| Title |
|---|
| 李宪光: "设备和管道采用聚氨酯保温的工程施工", 《冷藏技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000146A (en) * | 2018-07-16 | 2018-12-14 | 酷泰克保温科技江苏有限公司 | A kind of mobile construction method in bank storage tank thermal insulation layer |
| CN110861250A (en) * | 2019-11-21 | 2020-03-06 | 上海宝冶集团有限公司 | Foaming and heat-insulating method for low-temperature working condition refrigeration pipeline |
| CN112524478A (en) * | 2020-12-11 | 2021-03-19 | 酷泰克保温科技江苏有限公司 | Construction process for ultra-large low-temperature liquid-filled insulating layer |
| CN112555672A (en) * | 2020-12-11 | 2021-03-26 | 酷泰克保温科技江苏有限公司 | Manufacturing process of ultra-large low-temperature liquid-filled insulating layer |
| CN112594542A (en) * | 2020-12-11 | 2021-04-02 | 酷泰克保温科技江苏有限公司 | Preparation process of ultra-large low-temperature liquid-filled insulating layer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107504324B (en) | 2020-01-31 |
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Effective date of registration: 20221118 Address after: 226,007 Room 1028, No. 188, Jiangguang Road, Suxitong Science and Technology Industrial Park, Nantong City, Jiangsu Province Patentee after: Nantong Fanhao Thermal Insulation Technology Co.,Ltd. Address before: No.999, Guangzhou road, Haimen Economic and Technological Development Zone, Haimen City, Nantong City, Jiangsu Province, 226000 Patentee before: COOL TECH INSULATION JIANGSU CO.,LTD. |
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Effective date of registration: 20230802 Address after: No.999, Guangzhou road, Haimen Economic and Technological Development Zone, Haimen City, Nantong City, Jiangsu Province, 226000 Patentee after: COOL TECH INSULATION JIANGSU CO.,LTD. Address before: 226,007 Room 1028, No. 188, Jiangguang Road, Suxitong Science and Technology Industrial Park, Nantong City, Jiangsu Province Patentee before: Nantong Fanhao Thermal Insulation Technology Co.,Ltd. |