CN108194700A - A kind of prefabricated direct-buried Heat-insulation valve structure - Google Patents
A kind of prefabricated direct-buried Heat-insulation valve structure Download PDFInfo
- Publication number
- CN108194700A CN108194700A CN201810267473.6A CN201810267473A CN108194700A CN 108194700 A CN108194700 A CN 108194700A CN 201810267473 A CN201810267473 A CN 201810267473A CN 108194700 A CN108194700 A CN 108194700A
- Authority
- CN
- China
- Prior art keywords
- accommodating chamber
- valve body
- valve
- ring flange
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 48
- 239000002184 metal Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 12
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000004321 preservation Methods 0.000 description 9
- 235000013399 edible fruits Nutrition 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 208000001034 Frostbite Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
-
- 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
- F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a kind of prefabricated direct-buried Heat-insulation valve structures,Including valve body,Ring flange and heat preserving prefabricated part,The first identical half-sectional module of two specifications of setting and the second half-sectional module, which are mutually interlocked, forms heat preserving prefabricated part,The middle part of heat preserving prefabricated part to valve body keep the temperature equipped with valve body accommodating chamber,The both ends of valve body accommodating chamber are connected with the outer wall that the pipe insulation casing that diameter reduces encases pipeline,The top vertical conducting of valve body accommodating chamber, which is connected with ring flange accommodating chamber and encases ring flange, to be kept the temperature,The switch thermal insulation casing that the top of ring flange accommodating chamber is connected with diameter diminution keeps the temperature the operating member of valve,And coat one layer of metal shell in the appearance of heat preserving prefabricated part,It is fastened with connection,The advantages of being not easy to loosen,It can be very good to ensure the effect that pipeline valve is kept the temperature,Normal operation for urban heating network provides safeguard,With good practical value.
Description
Technical field
The present invention relates to a kind of Heat-insulation valve, more particularly to a kind of prefabricated direct-buried Heat-insulation valve structure.
Background technology
Urban heating network is one of the infrastructure in city, closely related with the life of the people, as heating network covers
The expansion of capping product has important role as the valve for thermal conditioning.Valve is pipe network maintenance, transformation, development and heat supply
Transmission ＆ distribution, the essential important equipment of storage system safe operation.But the operation of valve needs are safeguarded well, in the winter
Season temperature less than the water in the state of zero centigrade, lodged in valve pipe can Ling Jie Cheng Bing, not only cause at this time valve without
Method uses, the problem of also causing valve frostbite, damage, it is therefore desirable to valve and its see that connecting portion carries out isothermal holding.
At present, have to the measure of valve heat insulation and heat-preservation cotton, plastic film or straw rope are wound on valve, protected to meet valve in pipeline
Temperature, the purpose for avoiding leakage, but heat-preservation cotton, plastic film or straw rope it is in irregular shape, it is impossible to in irregular shape
Valve is coated well, thus often valve freeze even it is freezing, lead to leak, gas leakage.Thus it needs to urban heating
It is improved with the research and development of prefabricated direct-buried valve heat insulation.Ensure that insulating layer and outer protection tube and PE flanges form one after valve heat insulation
A closed space, achievees the purpose that valve heat insulation is non-leakage.
Invention content
The present invention proposes a kind of prefabricated direct-buried Heat-insulation valve structure, solves existing valve heat insulation structural thermal insulation effect
The problem of poor and complicated for operation, a kind of heat preservation module coincideing with valve of setting coat valve and its connecting portion with pipeline
Position, so as to be kept the temperature well to valve.
In order to solve the above technical problem, the present invention provides following technical solutions：
A kind of prefabricated direct-buried Heat-insulation valve structure of the present invention, including valve body, ring flange, heat preserving prefabricated part, metal shell, the
One half-sectional module, the second half-sectional module, valve body accommodating chamber and ring flange accommodating chamber, the both ends conducting of the valve body are connected with
Pipeline, the top of the valve body are vertically connected with valve switch, the outer surface of the valve body by the ring flange
The heat preserving prefabricated part is coated with, the outer surface of the heat preserving prefabricated part is coated with the metal shell, the heat preserving prefabricated part
It is mutually interlocked and is formed by the described first identical half-sectional module of two specifications and the second half-sectional module, the heat preserving prefabricated part
Middle part be equipped with the valve body accommodating chamber, the both ends of the valve body accommodating chamber are connected with the pipe insulation casing of diameter diminution, institute
The top vertical conducting for stating valve body accommodating chamber is connected with the ring flange accommodating chamber, and the top of the ring flange accommodating chamber is connected with
The switch thermal insulation casing that diameter reduces.
As a preferred technical solution of the present invention, the pipe insulation casing and the switch thermal insulation casing connect
Position be equipped with step as connection structure.
As a preferred technical solution of the present invention, it is equipped between the valve body accommodating chamber and the ring flange accommodating chamber
Baffle ring.
As a preferred technical solution of the present invention, the fastening of the first half-sectional module and the second half-sectional module
Contact surface is equipped with wave groove, and the first half-sectional module and the second half-sectional module pass through wave groove inlet wire positioning fastening.
As a preferred technical solution of the present invention, the heat preserving prefabricated part is by asbestos material or foamed urethane material
It is made, the metal shell is made of stainless steel plate material or galvanized steel plain sheet material.
As a preferred technical solution of the present invention, the appearance of the first half-sectional module and the second half-sectional module
If surface buckle is connected to arterial highway clip.
The advantageous effect that is reached of the present invention is：The configuration of the present invention is simple solves existing valve heat insulation structural thermal insulation
Effect difference and it is complicated for operation the problem of, setting valve body, ring flange and heat preserving prefabricated part, by two specifications it is identical the first half
It cuts open module and the second half-sectional module is mutually interlocked and forms heat preserving prefabricated part, the middle part of heat preserving prefabricated part is equipped with valve body accommodating chamber to valve
Door main body kept the temperature, and the both ends of valve body accommodating chamber are connected with the pipe insulation casing that diameter reduces and encase the outer of pipeline
Wall, the top vertical conducting of valve body accommodating chamber, which is connected with ring flange accommodating chamber and encases ring flange, to be kept the temperature, ring flange accommodating chamber
Top be connected with diameter diminution switch thermal insulation casing the operating member of valve is kept the temperature, and heat preserving prefabricated part outside
Table coats one layer of metal shell, has connection fastening, the advantages of being not easy to loosen, can be very good to ensure the effect of pipeline valve heat preservation
Fruit, the normal operation for urban heating network provide safeguard.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Example is applied together for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the subjective structure diagram of the present invention；
Fig. 2 is the schematic cross-sectional view of the present invention；
Fig. 3 is the heat preserving prefabricated part schematic cross-sectional view of the present invention；
In figure：1st, valve body；2nd, pipeline；3rd, ring flange；4th, heat preserving prefabricated part；5th, metal shell；6th, the first half-sectional module；7、
Second half-sectional module；8th, valve body accommodating chamber；9th, pipe insulation casing；10th, ring flange accommodating chamber；11st, thermal insulation casing is switched；12、
Step；13rd, baffle ring.
Specific embodiment
The preferred embodiment of the present invention is illustrated below in conjunction with attached drawing, it should be understood that preferred reality described herein
It applies example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1
As shown in Figs. 1-3, the present invention provides a kind of prefabricated direct-buried Heat-insulation valve structure, including valve body 1, ring flange 3, heat preservation
Prefabricated component 4, metal shell 5, the first half-sectional module 6, the second half-sectional module 7, valve body accommodating chamber 8 and ring flange accommodating chamber 10, valve
The both ends conducting of door main body 1 is connected with pipeline 2, and the top of valve body 1 is vertically connected with valve switch, valve by ring flange 3
The outer surface of door main body 1 is coated with heat preserving prefabricated part 4, and the outer surface of heat preserving prefabricated part 4 is coated with metal shell 5, heat insulation prefabricated
Part 4 is mutually interlocked by the first identical half-sectional 6 and second half-sectional module 7 of module of two specifications and formed, the middle part of heat preserving prefabricated part 4
Equipped with valve body accommodating chamber 8, the both ends of valve body accommodating chamber 8 are connected with the pipe insulation casing 9 of diameter diminution, valve body accommodating chamber 8
Top vertical conducting is connected with ring flange accommodating chamber 10, and the top of ring flange accommodating chamber 10 is connected with the switch heat preservation of diameter diminution
Casing 11.
In the use of the present invention, the first half-sectional 6 and second half-sectional module 7 of module, which is mutually interlocked, forms heat preserving prefabricated part 4, protect
The middle part of warm prefabricated component 4 to valve body 1 keep the temperature equipped with valve body accommodating chamber 8, and the both ends of valve body accommodating chamber 8 are connected with
The pipe insulation casing 9 that diameter reduces encases the outer wall of pipeline 2, and the top vertical conducting of valve body accommodating chamber 8 is connected with ring flange
Accommodating chamber 10 encases ring flange 3 and is kept the temperature, and the top of ring flange accommodating chamber 10 is connected with the switch thermal insulation casing of diameter diminution
The operating member of 11 pairs of valves is kept the temperature.
Further, the position that pipe insulation casing 9 and switch thermal insulation casing 11 connect is equipped with step 12 and is tied as connection
Structure, step 12 are used to enhance the structural strength of the present invention and to insulation layer thickness, improve the heat insulation effect to valve body 1.
Further, baffle ring 13 is equipped between valve body accommodating chamber 8 and ring flange accommodating chamber 10, baffle ring 13 is used for separation valve door master
Body 1 and ring flange 3 enable even closer chimeric with valve body 1 of heat preserving prefabricated part 4, and improve the heat preservation effect of valve body 1
Fruit.
Further, the fastening contact surface of the first half-sectional 6 and second half-sectional module 7 of module is equipped with wave groove, the first half-sectional mould
6 and second half-sectional module 7 of block is by wave groove inlet wire positioning fastening, so that heat preserving prefabricated part 4 is accurately and rapidly connected and composed,
Lifting construction operating efficiency.
Further, heat preserving prefabricated part 4 is made of asbestos material or foamed urethane material, has heat preservation and damping well
Function, metal shell 5 are made of stainless steel plate material or galvanized steel plain sheet material, and there is good barrier propterty and anticorrosion to imitate
Fruit.
Further, if the outer surface of the first half-sectional 6 and second half-sectional module 7 of module is snapped with arterial highway clip, for enhancing
The connection tightness of first half-sectional 6 and second half-sectional module 7 of module.
The configuration of the present invention is simple solves the problems, such as that existing valve heat insulation structural thermal insulation effect is poor and complicated for operation, if
Valve body 1, ring flange 3 and heat preserving prefabricated part 4 are put, by the first identical half-sectional 6 and second half-sectional module 7 of module of two specifications
It is mutually interlocked and forms heat preserving prefabricated part 4, the middle part of heat preserving prefabricated part 4 to valve body 1 protect equipped with valve body accommodating chamber 8
Temperature, the both ends of valve body accommodating chamber 8 are connected with the outer wall that the pipe insulation casing 9 that diameter reduces encases pipeline 2, valve body accommodating chamber 8
Top vertical conducting be connected with ring flange accommodating chamber 10 and encase ring flange 3 and kept the temperature, the top of ring flange accommodating chamber 10 connects
The switch thermal insulation casing 11 for being connected to diameter diminution keeps the temperature the operating member of valve, and in the appearance packet of heat preserving prefabricated part 4
One layer of metal shell 5 is covered, there is connection fastening, the advantages of being not easy to loosen, can be very good to ensure the effect of pipeline valve heat preservation,
Normal operation for urban heating network provides safeguard, therefore with good practical value.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of prefabricated direct-buried Heat-insulation valve structure, including valve body（1）, ring flange（3）, heat preserving prefabricated part（4）, outside metal
Shell（5）, the first half-sectional module（6）, the second half-sectional module（7）, valve body accommodating chamber（8）With ring flange accommodating chamber（10）, feature
It is, the valve body（1）Both ends conducting be connected with pipeline（2）, the valve body（1）Top pass through the flange
Disk（3）It is vertically connected with valve switch, the valve body（1）Outer surface be coated with the heat preserving prefabricated part（4）, the guarantor
Warm prefabricated component（4）Outer surface be coated with the metal shell（5）, the heat preserving prefabricated part（4）By the identical institute of two specifications
State the first half-sectional module（6）With the described second half-sectional module（7）Mutually be interlocked composition, the heat preserving prefabricated part（4）Middle part set
There is the valve body accommodating chamber（8）, the valve body accommodating chamber（8）Both ends be connected with diameter diminution pipe insulation casing（9）, institute
State valve body accommodating chamber（8）Top vertical conducting be connected with the ring flange accommodating chamber（10）, the ring flange accommodating chamber（10）
Top be connected with diameter diminution switch thermal insulation casing（11）.
A kind of 2. prefabricated direct-buried Heat-insulation valve structure according to claim 1, which is characterized in that the pipe insulation casing
（9）With the switch thermal insulation casing（11）The position connected is equipped with step（12）As connection structure.
A kind of 3. prefabricated direct-buried Heat-insulation valve structure according to claim 1, which is characterized in that the valve body accommodating chamber
（8）With the ring flange accommodating chamber（10）Between be equipped with baffle ring（13）.
A kind of 4. prefabricated direct-buried Heat-insulation valve structure according to claim 1, which is characterized in that the first half-sectional module
（6）With the described second half-sectional module（7）Fastening contact surface be equipped with wave groove, the first half-sectional module（6）With described second
Half-sectional module（7）Pass through wave groove inlet wire positioning fastening.
A kind of 5. prefabricated direct-buried Heat-insulation valve structure according to claim 1, which is characterized in that the heat preserving prefabricated part
（4）It is made of asbestos material or foamed urethane material, the metal shell（5）By stainless steel plate material or galvanized steel plain sheet material
It is made.
A kind of 6. prefabricated direct-buried Heat-insulation valve structure according to claim 4, which is characterized in that the first half-sectional module
（6）With the described second half-sectional module（7）If outer surface be snapped with arterial highway clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810267473.6A CN108194700A (en) | 2018-03-28 | 2018-03-28 | A kind of prefabricated direct-buried Heat-insulation valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810267473.6A CN108194700A (en) | 2018-03-28 | 2018-03-28 | A kind of prefabricated direct-buried Heat-insulation valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108194700A true CN108194700A (en) | 2018-06-22 |
Family
ID=62596340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810267473.6A Pending CN108194700A (en) | 2018-03-28 | 2018-03-28 | A kind of prefabricated direct-buried Heat-insulation valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108194700A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296803A (en) * | 2018-11-14 | 2019-02-01 | 江苏宝瑞创流体科技有限公司 | A kind of valve suitable for different size pipeline |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988004388A1 (en) * | 1986-12-02 | 1988-06-16 | Topo Cap-Unit A/S | Method of manufacturing a form stable heat insulating bowl |
| KR19990039965U (en) * | 1998-04-22 | 1999-11-25 | 장명석 | Insulating valve cover |
| US6983768B1 (en) * | 1998-10-26 | 2006-01-10 | Bains Harding Limited | Insulation module, system and method for installation and manufacture |
| CN201090904Y (en) * | 2007-06-29 | 2008-07-23 | 鲁铨 | Valve heat preservation and heat insulation cover capable of disassembling and assembling |
| CN201982798U (en) * | 2011-04-08 | 2011-09-21 | 丁天武 | Valve protection cover |
| EP2615351A1 (en) * | 2011-11-18 | 2013-07-17 | GWK Kuhlmann GmbH | Cold insulation device |
| CN205350488U (en) * | 2015-12-31 | 2016-06-29 | 深圳市纳能科技有限公司 | Detachable valve heat preservation sheath that insulates against heat |
| CN106481935A (en) * | 2016-11-18 | 2017-03-08 | 中海润达新材料科技有限公司 | A kind of power plant valve energy saving integrated thermal insulator and its manufacture method |
| CN107477230A (en) * | 2017-09-29 | 2017-12-15 | 南通市力沛流体阀业有限公司 | A kind of waterproofing valve protection device of high insulating effect |
| CN208252926U (en) * | 2018-03-28 | 2018-12-18 | 昊天节能装备有限责任公司 | A kind of prefabricated direct-buried Heat-insulation valve structure |
-
2018
- 2018-03-28 CN CN201810267473.6A patent/CN108194700A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988004388A1 (en) * | 1986-12-02 | 1988-06-16 | Topo Cap-Unit A/S | Method of manufacturing a form stable heat insulating bowl |
| KR19990039965U (en) * | 1998-04-22 | 1999-11-25 | 장명석 | Insulating valve cover |
| US6983768B1 (en) * | 1998-10-26 | 2006-01-10 | Bains Harding Limited | Insulation module, system and method for installation and manufacture |
| CN201090904Y (en) * | 2007-06-29 | 2008-07-23 | 鲁铨 | Valve heat preservation and heat insulation cover capable of disassembling and assembling |
| CN201982798U (en) * | 2011-04-08 | 2011-09-21 | 丁天武 | Valve protection cover |
| EP2615351A1 (en) * | 2011-11-18 | 2013-07-17 | GWK Kuhlmann GmbH | Cold insulation device |
| CN205350488U (en) * | 2015-12-31 | 2016-06-29 | 深圳市纳能科技有限公司 | Detachable valve heat preservation sheath that insulates against heat |
| CN106481935A (en) * | 2016-11-18 | 2017-03-08 | 中海润达新材料科技有限公司 | A kind of power plant valve energy saving integrated thermal insulator and its manufacture method |
| CN107477230A (en) * | 2017-09-29 | 2017-12-15 | 南通市力沛流体阀业有限公司 | A kind of waterproofing valve protection device of high insulating effect |
| CN208252926U (en) * | 2018-03-28 | 2018-12-18 | 昊天节能装备有限责任公司 | A kind of prefabricated direct-buried Heat-insulation valve structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296803A (en) * | 2018-11-14 | 2019-02-01 | 江苏宝瑞创流体科技有限公司 | A kind of valve suitable for different size pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107191731B (en) | Connection method for large-scale smart city industrial building frost-cracking-preventing intelligent pipeline connection equipment | |
| CN208252926U (en) | A kind of prefabricated direct-buried Heat-insulation valve structure | |
| JP2592153B2 (en) | Vacuum double tube | |
| CN108194700A (en) | A kind of prefabricated direct-buried Heat-insulation valve structure | |
| CN109681722A (en) | One kind being used for low-temperature (low temperature) vessel multi-layer compound structure and its mounting process | |
| CN202914978U (en) | Waterproof heat preserving sleeve | |
| US5014752A (en) | Nonfreezing pipe | |
| CN201078552Y (en) | Thermal insulation pipe | |
| CN207893322U (en) | A kind of heat insualtion structure for heat power pipe net | |
| CN218409064U (en) | Aerogel composite thermal insulation layer and heat insulation pipeline | |
| CN205978997U (en) | High -efficient insulating tube of high temperature resistant complex | |
| JPH01214626A (en) | Vacuum double pipe | |
| CN211231925U (en) | High-strength steel wire rubber hose | |
| WO2000039496A1 (en) | Insulated ball joint | |
| CN208204314U (en) | A kind of insulating tube with heating structure | |
| CN209688349U (en) | Thermal insulation material composite layer, pipeline and pipe-line system | |
| CN206091414U (en) | Freezer storehouse and anti cold bridge bolt assembly | |
| CN205560019U (en) | Wrap up in water pipe that attaches high density plastic layer | |
| CN114508626B (en) | Thermal insulation valve rod and use method thereof | |
| CN219413809U (en) | Low-temperature polyethylene steel pipe anti-corrosion heat-preservation layer special for winter construction occasion | |
| CN216382659U (en) | Prefabricated direct-burried ball valve seals insulation construction | |
| CN214305664U (en) | Building water supply and drainage leak-proof component | |
| JPH0523647Y2 (en) | ||
| CN211145722U (en) | Prefabricated direct-burried elbow of durable polyurethane | |
| CN220134981U (en) | Anti-corrosion prefabricated directly-buried heat-insulation elbow |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180622 |