CN110726011A - Fireproof heat-preservation ventilating duct capable of preventing smoke discharge - Google Patents
Fireproof heat-preservation ventilating duct capable of preventing smoke discharge Download PDFInfo
- Publication number
- CN110726011A CN110726011A CN201911018347.8A CN201911018347A CN110726011A CN 110726011 A CN110726011 A CN 110726011A CN 201911018347 A CN201911018347 A CN 201911018347A CN 110726011 A CN110726011 A CN 110726011A
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- China
- Prior art keywords
- heat
- smoke
- insulating layer
- ventilating duct
- preservation
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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
- F16L9/02—Rigid pipes of metal
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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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
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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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/0336—Noise absorbers by means of sound-absorbing materials
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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
-
- 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)
- Duct Arrangements (AREA)
Abstract
The invention discloses a smoke-proof fireproof heat-preservation ventilating duct which comprises a metal shell, wherein a heat-insulation layer is arranged on the inner wall of the metal shell, and a metal inner ring is arranged on the inner wall of the heat-insulation layer. The smoke-proof fireproof heat-preservation ventilating duct provided by the invention is provided with the heat-insulating layer and the connecting flange, has the advantages of good fireproof performance, heat preservation, noise elimination and sound absorption, moisture prevention, small air leakage quantity, attractive appearance, long service life, reasonable cost performance and the like, can be used in ventilating duct systems in high-temperature environments such as smoke prevention and smoke discharge and the like in various air conditioning ventilation systems, has excellent fireproof performance, can continuously run for more than 1 hour at the high temperature of 1000 ℃ to normally work, ensures the reliability of the smoke-proof fireproof heat-preservation ventilating duct system, can also enable the smoke-proof fireproof heat-preservation ventilating duct to adopt a specially-made composite heat-insulating material, has a small heat conductivity coefficient and brings better use prospect.
Description
Technical Field
The invention relates to the technical field of pipelines, in particular to a smoke-proof fireproof heat-preservation ventilating pipeline.
Background
A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The pipeline has a wide application range, is mainly used for water supply, water drainage, heat supply, gas supply, long-distance oil and gas transportation, agricultural irrigation, hydraulic engineering and various industrial devices, when the flow of fluid is known, the pipe diameter depends on the allowable flow rate or the allowable friction resistance (pressure drop), and when the flow rate is large, the pipe diameter is small, but the pressure drop value is increased. Therefore, when the flow rate is high, the capital construction investment of the pipeline can be saved, but the running energy consumption cost of power equipment such as a pump, a compressor and the like is increased. In addition, if the flow rate is too high, other adverse factors may also be brought about. Therefore, the pipe diameter is determined by comprehensively considering construction investment, operating cost and other technical factors.
At present the pipeline of market wide use involves the fire-resistant heat preservation air pipe of preventing discharging fume, all adopts the compound of monolayer iron sheet and rock wool material to reach basically, and following several kinds of phenomena can appear in this kind of structure in the use: 1. when a fire disaster occurs, the smoke-preventing and fire-resistant heat-insulating ventilating duct cannot bear high-temperature airflow and is damaged and collapsed, so that the serious accident result is caused due to the failure of the function of the smoke-preventing and exhausting system; 2. the inner layer and the outer layer of the smoke exhaust pipeline can not meet the requirement of heat insulation temperature; the two greatest sources are due to unreasonable structural design and insulation materials.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the smoke-proof fireproof heat-preservation ventilating duct which has the advantages of good fireproof performance, heat preservation, noise elimination, sound absorption, moisture prevention, small air leakage quantity, attractive appearance, long service life, reasonable cost performance and the like, and solves the problem that the inner layer and the outer layer of the smoke-proof ventilating duct cannot meet the requirement of heat insulation temperature.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a prevent fire-resistant heat preservation air pipe that discharges fume, includes metal casing, metal casing's inner wall is provided with the insulating layer, the inner wall of insulating layer is provided with the metal inner circle.
Preferably, the outside of insulating layer is provided with the connecting piece, one side of connecting piece is provided with the strengthening rib.
Preferably, the number of the connecting pieces is eight, and the number of the reinforcing ribs is two.
Preferably, one side of the metal shell is provided with a connecting flange, and the surface of the connecting flange is provided with a through hole.
Preferably, the top of metal casing inner wall is provided with first heat preservation, the bottom on first heat preservation is provided with the second heat preservation, the bottom of second heat preservation is provided with the third heat preservation, the bottom of third heat preservation is provided with the fourth heat preservation.
Preferably, the bottom of the first heat-insulating layer is fixedly connected with the top of the second heat-insulating layer, the bottom of the second heat-insulating layer is fixedly connected with the top of the third heat-insulating layer, and the bottom of the third heat-insulating layer is fixedly connected with the top of the fourth heat-insulating layer.
Preferably, the heat insulation layer is made of a heat insulation design combination mode of compounding multiple layers of nano aerogel felts and aluminum silicate.
(III) advantageous effects
Compared with the prior art, the invention provides a smoke-proof fireproof heat-preservation ventilating duct, which has the following beneficial effects:
1. the fireproof heat preservation air duct capable of preventing smoke discharge is provided with the heat insulation layer through the inner wall of the metal shell, the fireproof heat preservation air duct capable of preventing smoke discharge adopts the inner and outer double-layer metal tube shells, and the middle part of the fireproof heat preservation air duct capable of preventing smoke discharge is the heat insulation heat preservation protective layer resistant to high temperature of 1000 ℃, so that the fireproof heat preservation air duct capable of preventing smoke discharge has the advantages of good fireproof performance, heat preservation, noise elimination, sound absorption, moisture prevention, small air leakage amount, attractive appearance, long service life, reasonable cost performance and the like, and can be.
2. This prevent fire-resistant heat preservation air pipe that discharges fume is provided with flange through one side of metal casing, flange's surface is provided with the through-hole, and all materials of preventing fire-resistant heat preservation air pipe that discharges fume all adopt incombustible A level material, have good fire behavior, can be greater than 1h work normally in the high temperature of 1000 ℃ continuous operation, have ensured the reliability of preventing fire-resistant heat preservation air pipe system that discharges fume.
3. This prevent fire-resistant heat preservation air pipe that discharges fume, through the top of metal casing inner wall is provided with first heat preservation, the bottom on first heat preservation is provided with the second heat preservation, the bottom of second heat preservation is provided with the third heat preservation, the bottom of third heat preservation is provided with the fourth heat preservation for prevent discharging fume fire-resistant heat preservation air pipe and adopt purpose-made composite thermal insulation material, coefficient of heat conductivity is little, and thermal-insulated efficiency is high, and the interior temperature of tuber pipe is 1000 ℃, and when, the surface temperature of tuber pipe is less than 80 ℃.
4. The smoke-proof fireproof heat-preservation ventilating duct has the advantages that the heat-insulation layer is made of the heat-insulation design combination mode of compounding the multilayer nano aerogel felt and the aluminum silicate, the smoke-proof fireproof heat-preservation ventilating duct is made of porous superfine heat-insulation materials in a compounding mode, the effect of a tubular silencer is achieved, particularly, secondary noise of the smoke-proof fireproof heat-preservation ventilating duct is low, the smoke-proof fireproof heat-preservation ventilating duct can reduce or completely eliminate the huge and heavy silencer, and the smoke-proof fireproof heat-preservation ventilating duct has a good effect of reducing noise in.
5. This prevent fire-resistant heat preservation air pipe that discharges fume, through the outside of insulating layer is provided with the connecting piece, one side of connecting piece is provided with the strengthening rib, prevents that fire-resistant heat preservation air pipe that discharges fume has good intensity nature and fatigue resistance, can effectual release system pressure that produces in service.
Drawings
Fig. 1 is a schematic structural view of a smoke-proof fire-resistant heat-insulating ventilation duct of the present invention;
FIG. 2 is an internal view of the smoke-proof, fire-resistant and heat-insulating ventilating duct of the present invention;
fig. 3 is a schematic view of the internal structure of the metal shell of the smoke-proof fire-resistant heat-preservation ventilating duct of the present invention.
In the figure: 1. a metal housing; 2. a thermal insulation layer; 3. a metal inner ring; 4. a connecting member; 5. reinforcing ribs; 6. a connecting flange; 7. a through hole; 8. a first insulating layer; 9. a second insulating layer; 10. a third insulating layer; 11. and a fourth insulating layer.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a smoke-proof, fire-resistant and heat-insulating ventilation duct includes a metal casing 1, a heat-insulating layer 2 is disposed on an inner wall of the metal casing 1, and a metal inner ring 3 is disposed on an inner wall of the heat-insulating layer 2.
Furthermore, the outside of insulating layer 2 is provided with connecting piece 4, and one side of connecting piece 4 is provided with strengthening rib 5, has improved air pipe's life.
Further, the number of the connecting pieces 4 is eight, and the number of the reinforcing ribs 5 is two, so that the equipment is firmer.
Furthermore, one side of the metal shell 1 is provided with a connecting flange 6, the surface of the connecting flange 6 is provided with a through hole 7, the ventilation pipeline is convenient to install, the difficulty of pipeline installation is reduced, and the using effect is good.
Further, the top of 1 inner wall of metal casing is provided with first heat preservation 8, the bottom of first heat preservation 8 is provided with second heat preservation 9, the bottom of second heat preservation 9 is provided with third heat preservation 10, the bottom of third heat preservation 10 is provided with fourth heat preservation 11, install special high-density A level fire-resistant thermal insulation material additional between the fire-resistant heat preservation air pipe shells of preventing discharging fume and between the outer shell of fire-resistant heat preservation air pipe, heat conduction between the shell in the isolation tuber pipe reaches the fire-resistant heat preservation function of tuber pipe.
Further, the bottom 8 of first heat preservation and the top fixed connection of second heat preservation 9, the bottom of second heat preservation 9 and the top fixed connection of third heat preservation 10, the bottom of third heat preservation 10 and the top fixed connection of fourth heat preservation 11, further explanation the position relation between the heat preservation for the heat preservation of this equipment is effectual.
Furthermore, the heat insulation layer 2 is made of a heat insulation design combination mode of compounding multiple layers of nano aerogel felts and aluminum silicate, so that the heat insulation composite material with high heat insulation efficiency effectively isolates heat conduction and diffusion, and ensures effective isolation of temperature difference of the inner air pipe and the outer air pipe of the air pipe.
The working principle is as follows: the inner wall of the metal shell 1 is provided with the heat insulation layer 2, the smoke-proof, fireproof and heat-preservation ventilating duct adopts an inner metal tube shell and an outer metal tube shell, the middle part of the smoke-proof, fireproof and heat-preservation ventilating duct adopts a heat insulation and heat-preservation protective layer which is high-temperature resistant at 1000 ℃, the smoke-proof, fireproof and heat-preservation ventilating duct has the advantages of good fireproof performance, heat preservation, noise elimination, sound absorption, moisture prevention, small air leakage quantity, attractive appearance, long service life, reasonable cost performance and the like, can meet the requirements of ventilating duct systems in smoke-proof and high-temperature environments such as various air conditioning and ventilating systems, one side of the metal shell 1 is provided with the connecting flange 6, the surface of the connecting flange 6 is provided with the through hole 7, all materials of the smoke-proof, fireproof and heat-preservation ventilating duct adopt non-combustible A-grade materials, have good fireproof performance, can work normally when, the bottom of the first heat preservation layer 8 is provided with a second heat preservation layer 9, the bottom of the second heat preservation layer 9 is provided with a third heat preservation layer 10, the bottom of the third heat preservation layer 10 is provided with a fourth heat preservation layer 11, the smoke-proof and fire-proof heat preservation ventilating duct adopts a specially-made composite heat insulation material, the heat conductivity coefficient is small, the heat insulation efficiency is high, the temperature in the ventilating duct is 1000 ℃, when the surface temperature of the ventilating duct is less than 80 ℃, the secondary noise of the smoke-proof and fire-proof heat preservation ventilating duct is very small, the smoke-proof and fire-proof heat preservation ventilating duct can reduce or completely save a huge and heavy silencer by adopting a heat insulation design combination mode that a plurality of layers of nanometer aerogel felts and aluminum silicate are compounded by the material of the heat preservation layer 2, the sound-damping effect on the internal environment of the engineering is good, and the connecting piece, one side of connecting piece 4 is provided with strengthening rib 5, and the fire-resistant heat preservation air pipe of preventing discharging fume has good intensity nature and fatigue resistance, can effectual alleviating system pressure that produces in service, and the fire-resistant heat preservation air pipe insulating layer 2 that prevents discharging fume adopts, and coefficient of heat conductivity is little, the high dense thermal-insulated insulation material of A level fire prevention that thermal-insulated efficient, effectual fire prevention has kept apart heat conduction and diffusion, has ensured that the fire-resistant heat preservation air pipe system of preventing discharging fume can the safe operation when the conflagration takes place.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a prevent fire-resistant heat preservation air pipe that discharges fume, includes metal casing (1), its characterized in that: the inner wall of the metal shell (1) is provided with a heat insulation layer (2), and the inner wall of the heat insulation layer (2) is provided with a metal inner ring (3).
2. The smoke-proof fire-resistant heat-insulating ventilation duct according to claim 1, characterized in that: the outside of insulating layer (2) is provided with connecting piece (4), one side of connecting piece (4) is provided with strengthening rib (5).
3. The smoke-proof fire-resistant heat-insulating ventilation duct according to claim 1, characterized in that: the number of the connecting pieces (4) is eight, and the number of the reinforcing ribs (5) is two.
4. The smoke-proof fire-resistant heat-insulating ventilation duct according to claim 1, characterized in that: one side of the metal shell (1) is provided with a connecting flange (6), and the surface of the connecting flange (6) is provided with a through hole (7).
5. The smoke-proof fire-resistant heat-insulating ventilation duct according to claim 1, characterized in that: the heat-insulating layer is characterized in that a first heat-insulating layer (8) is arranged at the top of the inner wall of the metal shell (1), a second heat-insulating layer (9) is arranged at the bottom of the first heat-insulating layer (8), a third heat-insulating layer (10) is arranged at the bottom of the second heat-insulating layer (9), and a fourth heat-insulating layer (11) is arranged at the bottom of the third heat-insulating layer (10).
6. The smoke-proof fire-resistant heat-insulating ventilation duct according to claim 5, characterized in that: the bottom (8) of the first heat-insulating layer is fixedly connected with the top of the second heat-insulating layer (9), the bottom of the second heat-insulating layer (9) is fixedly connected with the top of the third heat-insulating layer (10), and the bottom of the third heat-insulating layer (10) is fixedly connected with the top of the fourth heat-insulating layer (11).
7. The smoke-proof fire-resistant heat-insulating ventilation duct according to claim 1, characterized in that: the heat insulation layer (2) is made of a heat insulation design combination mode of compounding multiple layers of nano aerogel felts and aluminum silicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911018347.8A CN110726011A (en) | 2019-10-24 | 2019-10-24 | Fireproof heat-preservation ventilating duct capable of preventing smoke discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911018347.8A CN110726011A (en) | 2019-10-24 | 2019-10-24 | Fireproof heat-preservation ventilating duct capable of preventing smoke discharge |
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| Publication Number | Publication Date |
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| CN110726011A true CN110726011A (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911018347.8A Pending CN110726011A (en) | 2019-10-24 | 2019-10-24 | Fireproof heat-preservation ventilating duct capable of preventing smoke discharge |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161123A (en) * | 2020-09-27 | 2021-01-01 | 安徽华城兴建材科技有限公司 | High-strength fireproof ventilating duct and preparation process thereof |
| CN112161117A (en) * | 2020-09-23 | 2021-01-01 | 中国五冶集团有限公司 | Fireproof air pipe structure and construction method |
| CN112815155A (en) * | 2021-03-17 | 2021-05-18 | 广东美乐斯节能科技有限公司 | Multilayer fireproof smoke exhaust ventilation pipeline |
| CN113531230A (en) * | 2021-06-28 | 2021-10-22 | 江阴市维沃保温材料有限公司 | Based on assembled steel is thermal-insulated prevents tuber pipe plate structure of discharging fume |
| CN113739287A (en) * | 2021-09-14 | 2021-12-03 | 德州瑞诚空调设备有限公司 | Intelligent central air-conditioning ventilation system |
| CN114908947A (en) * | 2022-04-26 | 2022-08-16 | 中科润资(重庆)节能科技有限公司 | High-temperature-resistant smoke-preventing and exhausting air pipe and manufacturing method thereof |
| WO2023201689A1 (en) * | 2022-04-22 | 2023-10-26 | 中科润资(重庆)节能科技有限公司 | High-temperature-resistant aerogel smoke control air pipe and manufacturing method therefor |
| WO2023201690A1 (en) * | 2022-04-22 | 2023-10-26 | 中科润资(重庆)节能科技有限公司 | High-temperature-resistant smoke protection and exhaust duct using aerogel |
| WO2023201688A1 (en) * | 2022-04-22 | 2023-10-26 | 中科润资(重庆)节能科技有限公司 | High-temperature-resistant smoke-prevention air-exhausting pipe and manufacturing method therefor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2199260Y (en) * | 1994-11-23 | 1995-05-31 | 李康仲 | Thermal insulation flame-retardant composite air pipe |
| CN203115325U (en) * | 2013-01-29 | 2013-08-07 | 武汉风行建材有限公司 | Polyphenyl aluminum foil composite air duct |
| CN203176564U (en) * | 2012-08-16 | 2013-09-04 | 河北空调工程安装有限公司 | Energy-saving and environment-friendly double-faced color steel plate composite air pipe |
| CN209278731U (en) * | 2018-10-17 | 2019-08-20 | 北京航信伟业保温科技有限公司 | Magnalium matter air hose heat-insulation system and ventilation shaft |
| CN210240808U (en) * | 2019-07-17 | 2020-04-03 | 广东康道地铁通风设备有限公司 | Fire-resistant ventilation tuber pipe |
-
2019
- 2019-10-24 CN CN201911018347.8A patent/CN110726011A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2199260Y (en) * | 1994-11-23 | 1995-05-31 | 李康仲 | Thermal insulation flame-retardant composite air pipe |
| CN203176564U (en) * | 2012-08-16 | 2013-09-04 | 河北空调工程安装有限公司 | Energy-saving and environment-friendly double-faced color steel plate composite air pipe |
| CN203115325U (en) * | 2013-01-29 | 2013-08-07 | 武汉风行建材有限公司 | Polyphenyl aluminum foil composite air duct |
| CN209278731U (en) * | 2018-10-17 | 2019-08-20 | 北京航信伟业保温科技有限公司 | Magnalium matter air hose heat-insulation system and ventilation shaft |
| CN210240808U (en) * | 2019-07-17 | 2020-04-03 | 广东康道地铁通风设备有限公司 | Fire-resistant ventilation tuber pipe |
Non-Patent Citations (2)
| Title |
|---|
| 中国建筑标准设计研究院: "《CC-I双面彩钢板复合风管制作与安装-参考图集》", 31 March 2017 * |
| 王苗等: "多层隔热材料的研究进展", 《材料导报》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161117A (en) * | 2020-09-23 | 2021-01-01 | 中国五冶集团有限公司 | Fireproof air pipe structure and construction method |
| CN112161123A (en) * | 2020-09-27 | 2021-01-01 | 安徽华城兴建材科技有限公司 | High-strength fireproof ventilating duct and preparation process thereof |
| CN112815155A (en) * | 2021-03-17 | 2021-05-18 | 广东美乐斯节能科技有限公司 | Multilayer fireproof smoke exhaust ventilation pipeline |
| CN113531230A (en) * | 2021-06-28 | 2021-10-22 | 江阴市维沃保温材料有限公司 | Based on assembled steel is thermal-insulated prevents tuber pipe plate structure of discharging fume |
| CN113739287A (en) * | 2021-09-14 | 2021-12-03 | 德州瑞诚空调设备有限公司 | Intelligent central air-conditioning ventilation system |
| WO2023201689A1 (en) * | 2022-04-22 | 2023-10-26 | 中科润资(重庆)节能科技有限公司 | High-temperature-resistant aerogel smoke control air pipe and manufacturing method therefor |
| WO2023201690A1 (en) * | 2022-04-22 | 2023-10-26 | 中科润资(重庆)节能科技有限公司 | High-temperature-resistant smoke protection and exhaust duct using aerogel |
| WO2023201688A1 (en) * | 2022-04-22 | 2023-10-26 | 中科润资(重庆)节能科技有限公司 | High-temperature-resistant smoke-prevention air-exhausting pipe and manufacturing method therefor |
| CN114908947A (en) * | 2022-04-26 | 2022-08-16 | 中科润资(重庆)节能科技有限公司 | High-temperature-resistant smoke-preventing and exhausting air pipe and manufacturing method thereof |
| CN114908947B (en) * | 2022-04-26 | 2023-10-20 | 中科润资(重庆)节能科技有限公司 | High-temperature-resistant smoke-proof air duct and manufacturing method thereof |
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Application publication date: 20200124 |