CN113738957A - Air-conditioning heat-insulating pipe for low-temperature-resistant modified high-molecular polyethylene material and preparation method thereof - Google Patents
Air-conditioning heat-insulating pipe for low-temperature-resistant modified high-molecular polyethylene material and preparation method thereof Download PDFInfo
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- CN113738957A CN113738957A CN202111026221.2A CN202111026221A CN113738957A CN 113738957 A CN113738957 A CN 113738957A CN 202111026221 A CN202111026221 A CN 202111026221A CN 113738957 A CN113738957 A CN 113738957A
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- heat
- sleeve
- insulating
- coil spring
- heating film
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Classifications
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- 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
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
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- 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
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- 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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- 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
- F16L59/10—Bandages or covers for the protection of the insulation, e.g. against the influence of the environment or against mechanical damage
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention relates to the technical field of air conditioner heat preservation pipes, in particular to an air conditioner heat preservation pipe for a low temperature resistant modified high polymer polyethylene material. The electric heating film device comprises the electric heating film and the automatic winding mechanism, the electric heating film can be used for heating the heat preservation pipe in an auxiliary manner in a low-temperature environment, the heat preservation capability of the heat preservation pipe is favorably ensured, the electric heating film is effectively ensured to stretch and wind in the bending process under the action of a wind spring of the winding mechanism and a steel wire rope, and the situation that the electric heating film is broken in the installation process is avoided; the outside of first insulation cover utilizes the nylon rope to twine and constitutes the nylon cover, and its effectual structural strength who improves the device.
Description
Technical Field
The invention relates to the technical field of air-conditioning heat-insulating pipes, in particular to an air-conditioning heat-insulating pipe made of low-temperature-resistant modified high-molecular polyethylene material and a preparation method thereof.
Background
Polyethylene is a thermoplastic resin prepared by polymerizing ethylene, and also comprises a copolymer of ethylene and a small amount of alpha-olefin in industry, the polyethylene is odorless and nontoxic, has a wax-like hand feeling, excellent low-temperature resistance, good chemical stability, resistance to corrosion of most of acid and alkali, insolubility in common solvents at normal temperature, small water absorption and excellent electrical insulation, and along with the development of new material industry, an air conditioner heat preservation pipe made of modified high polymer materials appears, is coated on a copper pipe for connecting an indoor unit and an outdoor unit, can reduce the energy loss of an air conditioner in the working process, and can greatly reduce the heating and cooling capacities of the air conditioner if the heat preservation effect of the heat preservation pipe is poor, so that the air conditioner heat preservation pipe is an indispensable accessory of the air conditioner; however, most of the existing air conditioner heat-insulating pipes are only provided with one layer, the heat-insulating capacity of the existing air conditioner heat-insulating pipes is greatly reduced in a low-temperature environment, the loss of the internal capacity of an air conditioner copper pipe cannot be effectively reduced, and the heating capacity of an air conditioner can be greatly reduced in the low-temperature environment, so that certain defects exist.
Disclosure of Invention
The invention aims to provide an air-conditioning heat-insulating pipe for a low-temperature-resistant modified high-molecular polyethylene material, which aims to solve the problems in the background art. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a low temperature resistant modified polymer is air conditioner insulating tube for polyethylene material, includes first insulation cover, second insulation cover and electric heat membrane, the fixed cover in outside of second insulation cover has connect first insulation cover, the fixed cover in outside of first insulation cover has connect the lag, the outer wall fixed mounting of lag one end department has the automatic winding mechanism that has the wind spring, the outer wall level of second insulation cover is opened there is an electric heat membrane mounting groove, the electric heat membrane has been placed in the electric heat membrane mounting groove, the one end and the automatic winding mechanism fixed connection of electric heat membrane.
Preferably, the automatic winding mechanism comprises a rectangular shell, a coil spring mounting shaft and a coil spring, the rectangular shell is fixedly installed on the outer wall of one end of the protective sleeve, two ends of the coil spring mounting shaft are fixedly installed on the inner walls of two side plates, parallel to each other, of the rectangular shell, the coil spring is fixedly sleeved on the coil spring mounting shaft, one end, far away from the coil spring mounting shaft, of the coil spring is fixedly connected with one end of the electric heating film, two retaining rings are fixedly sleeved on the coil spring mounting shaft, and the coil spring is located between the two retaining rings.
Preferably, one end, far away from the coil spring, of the electric heating film is fixedly installed at one end of the second heat-insulating sleeve, and the protecting sleeve is a rubber sleeve.
Preferably, the outer wall fixed mounting of first heat preservation cover has the nylon cover, the nylon cover is twined around the outer wall of first heat preservation cover by the nylon rope and is formed.
Preferably, a steel wire is fixedly installed on one side face of the electric heating film, and one end of the steel wire is fixedly connected with one end of the coil spring.
Preferably, the inner wall of the second heat-insulating sleeve is fixedly sleeved with a heat-insulating cotton sleeve, and the first heat-insulating sleeve and the second heat-insulating sleeve are both high-molecular polyethylene heat-insulating sleeves.
Preferably, the bottom plate of lag, nylon cover, first heat preservation cover and rectangle casing all opens the fretwork groove that is used for the electric heat membrane to pass.
A preparation method of an air-conditioning heat preservation pipe comprises the following steps:
a first step; cutting raw materials; tailor into with the length of lag with polymer polyethylene board and insulation cotton cover the same, calculate the required polymer polyethylene board width of the first insulation cover of preparation and second insulation cover, then tailor to tailor out the electric heat membrane mounting groove in the side of the polymer polyethylene board of preparation second insulation cover, then roll up polymer polyethylene board into first insulation cover and second insulation cover.
A second step; the equipment of raw materials, place the electric heat membrane in the electric heat membrane mounting groove of second insulation cover, then use the buckle hoop to fix the one end of electric heat membrane, then overlap the second insulation cover in first insulation cover, then wrap around the nylon wire at the outer wall of first insulation cover, make the nylon wire form a nylon cover, it is the same with the length of first insulation cover to wind roll length, will protect the jacket cover in the outside of nylon cover after finishing around rolling up, then overlap the inside at the second insulation cover with the insulation cotton, and use waterproof viscose to the lag, the nylon cover, first insulation cover, second insulation cover and insulation cotton cover are fixed.
A third step; the installation of the automatic winding mechanism is characterized in that a rectangular shell is fixedly installed on the outer wall of the end, far away from the fixed end of the electric heating film, of the protecting sleeve, then one end of the electric heating film penetrates through a hollow groove, used for the electric heating film to penetrate through the protecting sleeve, a nylon sleeve, a first heat-preservation sleeve and a bottom plate of the rectangular shell, used for the electric heating film to penetrate through, one end of the electric heating film is fixedly connected with one end of a coil spring of the automatic winding mechanism, and one end of a steel wire on the electric heating film is fixedly connected with one end of the coil spring.
The fourth step; the inspection of device, with electric heat membrane external power supply, observe whether the electric heat membrane can normally work, crooked whole device simultaneously, crooked process is observed the coil spring and is whether stretched, then resets the device, observes whether the coil spring resets, and the electric heat membrane can normally work and the coil spring can normally roll then the device is qualified.
Compared with the prior art, the invention has the beneficial effects that:
the electric heating film device comprises the electric heating film and the automatic winding mechanism, the electric heating film can be used for heating the heat preservation pipe in an auxiliary manner in a low-temperature environment, the heat preservation capability of the heat preservation pipe is favorably ensured, the electric heating film is effectively ensured to stretch and wind in the bending process under the action of a wind spring of the winding mechanism and a steel wire rope, and the situation that the electric heating film is broken in the installation process is avoided; the outside of first insulation cover utilizes the nylon rope to twine and constitutes the nylon cover, and its effectual structural strength who improves the device.
Drawings
FIG. 1 is a front sectional view schematically illustrating the structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a top view of the internal structure of the rectangular housing of the present invention;
FIG. 4 is a schematic perspective view of a second insulating sheath according to the present invention;
FIG. 5 is a flow chart of a method of the present invention.
In the figure: 1. a protective sleeve; 2. a nylon sleeve; 3. a first heat preservation sleeve; 4. a second insulating sleeve; 5. a heat insulation cotton sleeve; 6. a rectangular housing; 7. an electrothermal film; 8. a coil spring mounting shaft; 9. a baffle ring; 10. a coil spring; 11. A steel wire; 12. electric heating film mounting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a low temperature resistant modified polymer is air conditioner insulating tube for polyethylene material, including first insulation cover 3, second insulation cover 4 and electric heat membrane 7, first insulation cover 3 has been cup jointed to the external fixation of second insulation cover 4, lag 1 has been cup jointed to the external fixation of first insulation cover 3, the outer wall fixed mounting of 1 one end department of lag has the automatic winding mechanism that has wind spring 10, an electric heat membrane mounting groove 12 has been opened to the outer wall level of second insulation cover 4, electric heat membrane 7 has been placed in electric heat membrane mounting groove 12, the one end and the automatic winding mechanism fixed connection of electric heat membrane 7.
In this embodiment, as shown in fig. 1, 4 and 5, the automatic winding mechanism includes a rectangular casing 6, a coil spring installation shaft 8, and a coil spring 10, the rectangular casing 6 is fixedly installed on the outer wall of one end of the protection sleeve 1, both ends of the coil spring installation shaft 8 are fixedly installed on the inner walls of two mutually parallel side plates of the rectangular casing 6, the coil spring 10 is fixedly sleeved on the coil spring installation shaft 8, one end of the coil spring 10 far away from the coil spring installation shaft 8 is fixedly connected with one end of the electrothermal film 7, two retaining rings 9 are fixedly sleeved on the coil spring installation shaft 8, and the coil spring 10 is located between the two retaining rings 9, so as to ensure the orderly winding of the electrothermal film 7.
In this embodiment, as shown in fig. 1, one end of the electrothermal film 7 far from the coil spring 10 is fixedly installed at one end of the second thermal insulation sleeve 4, and the protective sleeve 1 is a rubber sleeve.
In this embodiment, as shown in fig. 1, a nylon sleeve 2 is fixedly installed on an outer wall of the first thermal insulation sleeve 3, and the nylon sleeve 2 is formed by winding a nylon rope around the outer wall of the first thermal insulation sleeve 3.
In this embodiment, as shown in fig. 3, a steel wire 11 is fixedly installed on one side surface of the electrothermal film 7, and one end of the steel wire 11 is fixedly connected with one end of the coil spring 10.
In this embodiment, as shown in fig. 1 and 2, the inner wall of the second thermal insulation sleeve 4 is fixedly sleeved with a thermal insulation cotton sleeve 5, and both the first thermal insulation sleeve 3 and the second thermal insulation sleeve 4 are high molecular polyethylene thermal insulation sleeves.
In this embodiment, as shown in fig. 4, the bottom plates of the protective sleeve 1, the nylon sleeve 2, the first protective sleeve 3 and the rectangular casing 6 are all provided with hollow grooves for the electric heating film 7 to pass through.
Referring to fig. 5, the present invention provides a method for manufacturing an air-conditioning heat preservation pipe, including the steps of:
a first step; the tailor of raw materials, tailor into with the length the same with lag 1 with polymer polyethylene panel and insulation cotton cover 5, calculate the required polymer polyethylene panel width of the first insulation cover 3 of preparation and second insulation cover 4, then tailor to tailor out electric heat membrane mounting groove 12 in a side of the polymer polyethylene panel of preparation second insulation cover 4, then coil polymer polyethylene panel into first insulation cover 3 and second insulation cover 4.
A second step; the equipment of raw materials, place electric heat membrane 7 in the electric heat membrane mounting groove 12 of second insulation cover 4, then use the buckle hoop to be fixed with the one end of electric heat membrane 7, then overlap second insulation cover 4 in first insulation cover 3, then at the outer wall of first insulation cover 3 around the nylon wire, make the nylon wire form a nylon cover 2, it is the same with the length of first insulation cover 3 to wind a roll length, the outside at nylon cover 2 with lag 1 cover after finishing around rolling up, then overlap the inside at second insulation cover 4 with insulation cotton cover 5, and use waterproof viscose to fix lag 1, nylon cover 2, first insulation cover 3, second insulation cover 4 and insulation cotton cover 5.
A third step; the installation of automatic winding mechanism, keep away from the outer wall of electric heat membrane 7 fixed one end with rectangular housing 6 fixed mounting at lag 1, then pass the fretwork groove that is used for electric heat membrane 7 to pass lag 1, nylon cover 2, first heat preservation cover 3 and rectangular housing 6's bottom plate to be used for electric heat membrane 7 to pass with the one end of electric heat membrane 7 to with the one end fixed connection of automatic winding mechanism wind spring 10, and with the one end of the steel wire line 11 on the electric heat membrane 7 and the one end of wind spring 10.
The fourth step; the inspection of device, with 7 external power supplies of electric heat membrane, observe whether electric heat membrane 7 can normally work, crooked whole device simultaneously, crooked process is observed the coil spring 10 and is whether stretched, then resets the device, observes whether coil spring 10 resets, and electric heat membrane 7 can normally work and coil spring 10 can normally the rolling then the device is qualified.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a low temperature resistant modified polymer is air conditioner insulating tube for polyethylene material which characterized in that: including first insulation cover (3), second insulation cover (4) and electric heat membrane (7), first insulation cover (3) have been cup jointed to the external fixation of second insulation cover (4), lag (1) have been cup jointed to the external fixation of first insulation cover (3), the outer wall fixed mounting of lag (1) one end department has the automatic winding mechanism that has wind spring (10), the outer wall level of second insulation cover (4) is opened has an electric heat membrane mounting groove (12), electric heat membrane (7) have been placed in electric heat membrane mounting groove (12), the one end and the automatic winding mechanism fixed connection of electric heat membrane (7).
2. The air-conditioning heat-insulating pipe for the low-temperature-resistant modified high-molecular polyethylene material as claimed in claim 1, wherein: the automatic winding mechanism comprises a rectangular shell (6), a coil spring safety shaft (8) and a coil spring (10), wherein the rectangular shell (6) is fixedly installed on the outer wall of one end of the protective sleeve (1), two ends of the coil spring safety shaft (8) are fixedly installed on the inner walls of two side plates which are parallel to each other of the rectangular shell (6), the coil spring (10) is fixedly sleeved on the coil spring safety shaft (8), one end, far away from the coil spring safety shaft (8), of the coil spring (10) is fixedly connected with one end of an electric heating film (7), two retaining rings (9) are fixedly sleeved on the coil spring safety shaft (8), and the coil spring (10) is located between the two retaining rings (9).
3. The air-conditioning heat-insulating pipe for the low-temperature-resistant modified high-molecular polyethylene material as claimed in claim 2, wherein: one end, far away from the coil spring (10), of the electric heating film (7) is fixedly installed at one end of the second heat-insulating sleeve (4), and the protecting sleeve (1) is a rubber sleeve.
4. The air-conditioning heat-insulating pipe for the low-temperature-resistant modified high-molecular polyethylene material as claimed in claim 1, wherein: the outer wall fixed mounting of first heat preservation cover (3) has nylon cover (2), nylon cover (2) are formed by the nylon rope winding round the outer wall of first heat preservation cover (3).
5. The air-conditioning heat-insulating pipe for the low-temperature-resistant modified high-molecular polyethylene material as claimed in claim 2, wherein: a steel wire (11) is fixedly installed on one side face of the electric heating film (7), and one end of the steel wire (11) is fixedly connected with one end of the coil spring (10).
6. The air-conditioning heat-insulating pipe for the low-temperature-resistant modified high-molecular polyethylene material as claimed in claim 1, wherein: the inner wall of the second heat-insulating sleeve (4) is fixedly sleeved with a heat-insulating cotton sleeve (5), and the first heat-insulating sleeve (3) and the second heat-insulating sleeve (4) are both high-molecular polyethylene heat-insulating sleeves.
7. The air-conditioning heat-insulating pipe for the low-temperature-resistant modified high-molecular polyethylene material as claimed in claim 1, wherein: the bottom plate of the protection sleeve (1), the nylon sleeve (2), the first protection sleeve (3) and the rectangular shell (6) is provided with hollow grooves for the electric heating film (7) to pass through.
8. A preparation method of an air-conditioning heat-insulating pipe, which is used for preparing the air-conditioning heat-insulating pipe for the low-temperature-resistant modified high-molecular polyethylene material in any one of claims 1 to 7, and is characterized in that: the method comprises the following steps:
firstly, checking raw materials, foaming and mixing the raw materials to produce a protective sleeve (1) and an insulating sleeve;
a second step; cutting raw materials; cutting a high molecular polyethylene plate and a heat insulation cotton sleeve (5) into the same length as that of the protective sleeve (1), calculating the width of the high molecular polyethylene plate required by manufacturing a first heat insulation sleeve (3) and a second heat insulation sleeve (4), then cutting, cutting an electric heating film mounting groove (12) in one side surface of the high molecular polyethylene plate for manufacturing the second heat insulation sleeve (4), and then rolling the high molecular polyethylene plate into the first heat insulation sleeve (3) and the second heat insulation sleeve (4);
a third step; the method comprises the following steps of (1) assembling raw materials, placing an electric heating film (7) in an electric heating film mounting groove (12) of a second heat-insulating sleeve (4), fixing one end of the electric heating film (7) by using a buckle hoop, sleeving the second heat-insulating sleeve (4) in a first heat-insulating sleeve (3), winding a nylon wire on the outer wall of the first heat-insulating sleeve (3), enabling the nylon wire to form a nylon sleeve (2), enabling the length of the wound nylon wire to be the same as that of the first heat-insulating sleeve (3), sleeving a protective sleeve (1) outside the nylon sleeve (2) after winding is finished, sleeving a heat-insulating cotton sleeve (5) inside the second heat-insulating sleeve (4), and fixing the protective sleeve (1), the nylon sleeve (2), the first heat-insulating sleeve (3), the second heat-insulating sleeve (4) and the heat-insulating cotton sleeve (5) by using waterproof viscose;
the fourth step; the installation of the automatic winding mechanism is characterized in that a rectangular shell (6) is fixedly installed on the outer wall of one end, far away from the fixed end of an electric heating film (7), of a protective sleeve (1), then one end of the electric heating film (7) penetrates through a hollow groove for the electric heating film (7) to penetrate through the protective sleeve (1), a nylon sleeve (2), a first heat-preservation sleeve (3) and a bottom plate of the rectangular shell (6), one end of the electric heating film (7) is fixedly connected with one end of a coil spring (10) of the automatic winding mechanism, and one end of a steel wire (11) on the electric heating film (7) is connected with one end of the coil spring (10);
the fifth step; the inspection of device, with electric heat membrane (7) external power supply, observe whether electric heat membrane (7) can normally work, crooked whole device simultaneously, crooked process is observed coil spring (10) whether stretched, then resets the device, observes coil spring (10) whether reset, and electric heat membrane (7) can normally work and coil spring (10) can normally roll then the device is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111026221.2A CN113738957B (en) | 2021-09-02 | 2021-09-02 | Air conditioner heat preservation pipe for low temperature resistant modified high polymer polyethylene material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111026221.2A CN113738957B (en) | 2021-09-02 | 2021-09-02 | Air conditioner heat preservation pipe for low temperature resistant modified high polymer polyethylene material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113738957A true CN113738957A (en) | 2021-12-03 |
| CN113738957B CN113738957B (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111026221.2A Active CN113738957B (en) | 2021-09-02 | 2021-09-02 | Air conditioner heat preservation pipe for low temperature resistant modified high polymer polyethylene material and preparation method thereof |
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| CN (1) | CN113738957B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202091706U (en) * | 2011-03-10 | 2011-12-28 | 大庆石油管理局 | Replaceable heat tracing belt type heat insulation pipe |
| CN205978993U (en) * | 2016-07-26 | 2017-02-22 | 常州金标轨道交通技术服务有限公司 | Flue gas heating heat -preserved conveying pipe |
| WO2018021878A1 (en) * | 2016-07-28 | 2018-02-01 | 주식회사 비엠티 | Heating jacket for outdoor piping |
| CN210266412U (en) * | 2019-07-01 | 2020-04-07 | 北京诚银河电线电缆厂 | Heat tracing pipeline for sampling |
| CN112690903A (en) * | 2021-02-05 | 2021-04-23 | 广东欧谱曼迪科技有限公司 | Medical trolley with cable telescopic device and method thereof |
-
2021
- 2021-09-02 CN CN202111026221.2A patent/CN113738957B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202091706U (en) * | 2011-03-10 | 2011-12-28 | 大庆石油管理局 | Replaceable heat tracing belt type heat insulation pipe |
| CN205978993U (en) * | 2016-07-26 | 2017-02-22 | 常州金标轨道交通技术服务有限公司 | Flue gas heating heat -preserved conveying pipe |
| WO2018021878A1 (en) * | 2016-07-28 | 2018-02-01 | 주식회사 비엠티 | Heating jacket for outdoor piping |
| CN210266412U (en) * | 2019-07-01 | 2020-04-07 | 北京诚银河电线电缆厂 | Heat tracing pipeline for sampling |
| CN112690903A (en) * | 2021-02-05 | 2021-04-23 | 广东欧谱曼迪科技有限公司 | Medical trolley with cable telescopic device and method thereof |
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| Publication number | Publication date |
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| CN113738957B (en) | 2023-06-27 |
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