CN111810730A - Energy-saving heat-preserving heat supply steam pipeline - Google Patents
Energy-saving heat-preserving heat supply steam pipeline Download PDFInfo
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- CN111810730A CN111810730A CN202010526331.4A CN202010526331A CN111810730A CN 111810730 A CN111810730 A CN 111810730A CN 202010526331 A CN202010526331 A CN 202010526331A CN 111810730 A CN111810730 A CN 111810730A
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- layer
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- reflecting
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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
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
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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
- F16L59/08—Means for preventing radiation, e.g. with metal foil
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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
- F16L59/12—Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses an energy-saving heat-preserving heat supply steam pipeline which comprises a steam main pipe, a first heat-preserving layer, a second heat-preserving layer, a third heat-preserving layer, a first reflecting layer, a second reflecting layer, a third reflecting layer, a packing belt, a semicircular cover top layer and a protective layer. According to the invention, the two semicircles are designed to be used as the roofs, and when the heat-insulating layer sinks in the horizontal pipe section, the heat-insulating layer between the upper part and the lower part of the steam main pipe can be always kept to be the heat-insulating design thickness by the two semicircular roofs, so that the heat-insulating layer sinks, and the heat dissipation loss of the top of the pipeline is reduced.
Description
Technical Field
The invention relates to the technical field of heat supply pipelines, in particular to an energy-saving and heat-insulating heat supply steam pipeline.
Background
The centralized heat supply brings immeasurable benefits to urban construction and regional industrial development, wherein the steam heating system is a system for supplying heat in a steam form, water in the heating system is used as a heating medium, and heat is carried from a heat source in the form of steam and is delivered to users through a heat supply network. Therefore, the heat preservation work of the steam in the pipeline conveying process is the key work of the heating system. However, due to the influence of regional planning and heat load, the problems of heat supply cost and heat supply technology exist, the heat insulation effect of the heat insulation steam pipeline adopted by the existing steam heat supply system is not ideal, and the heat consumption of steam is high in the long-distance conveying process; meanwhile, the existing steam pipe thermal insulation material has a sinking phenomenon in a horizontal section, so that the thermal insulation material is thin at the top and thick at the bottom, the temperature of the thermal insulation layer at the upper part of the pipeline is obviously higher than that at the lower part, and the heat loss is relatively large.
Disclosure of Invention
The invention aims to provide an energy-saving and heat-insulating heating steam pipeline to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an energy-saving heat-preserving heat supply steam pipeline comprises a steam main pipe, a first heat-preserving layer, a second heat-preserving layer, a third heat-preserving layer, a first reflecting layer, a second reflecting layer, a third reflecting layer, a packing belt, a semicircular cover top layer and a protective layer, the first heat-insulating layer, the second heat-insulating layer and the third heat-insulating layer are sequentially wrapped on the outer side of the steam main pipe from inside to outside, a first reflecting layer is arranged between the first heat-insulating layer and the second heat-insulating layer, a second reflecting layer is arranged between the second heat-insulating layer and the third heat-insulating layer, a third reflecting layer is arranged on the outer side of the third insulating layer, the protective layer is arranged on the outer side of the third reflecting layer, a semicircular top layer is arranged between the protective layer and the third emission layer, two groups of semicircular top layers are arranged, the semicircular modified top layer is arranged at the upper end of the third reflecting layer, and packing belts are uniformly arranged on the outer side of the protective layer at equal intervals.
Preferably, the main steam pipe is a steel pipe, and the steel pipe is made of carbon steel or stainless steel.
Preferably, the first heat preservation layer is made of aluminum silicate cotton felt, and the second heat preservation layer and the third heat preservation layer are made of high-temperature glass cotton.
Preferably, the first reflecting layer, the second reflecting layer and the third reflecting layer are all made of aluminum foil glass fiber cloth.
Preferably, the protective layer is made of a color steel plate.
Preferably, a plurality of air-permeable through holes are reserved on the surfaces of the first reflecting layer, the second reflecting layer and the third reflecting layer.
Preferably, the strapping band is a stainless steel wire.
Preferably, the semicircular cover top layer is made of high-temperature glass wool.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, two semicircles are designed as the roofs on the outermost layer of the steam main pipe and the inner part of the protective layer, and when the heat preservation layer sinks in the horizontal pipe section, the two semicircular roofs can enable the thickness of the heat preservation layer between the upper part and the lower part of the steam main pipe to be always kept to be the heat preservation design thickness, so that the heat preservation layer sinks, and the heat dissipation loss of the top of the pipeline is reduced.
(2) According to the invention, the first heat preservation layer, the first reflection layer, the second heat preservation layer, the second reflection layer, the third heat preservation layer, the third reflection layer and the protection layer are sequentially arranged on the outer side of the steam main pipe, the first heat preservation layer, the second heat preservation layer and the third heat preservation layer play a heat preservation role on the steam main pipe and prevent steam heat from leaking, and the first reflection layer, the second reflection layer and the third reflection layer reflect heat radiation released by steam in the steam main pipe so as to further prevent the heat from leaking.
(3) According to the invention, the two semicircular cover top layers are arranged above the steam main pipe, and the heat is mainly radiated upwards, so that the semicircular cover top layers can further play a role in heat preservation on the steam main pipe.
(4) According to the invention, the ventilation through holes are formed on the surfaces of the first reflecting layer, the second reflecting layer and the third reflecting layer, so that moisture can be conveniently discharged.
Drawings
FIG. 1 is a view of a heating steam line;
fig. 2 is a sectional view of a heating steam pipe.
In the figure: 1-main steam pipe; 2-a first insulating layer; 3-a second insulating layer; 4-a third insulating layer; 5-a first reflective layer; 6-a second reflective layer; 7-a third reflective layer; 8-packaging belt; 9-dome top layer; 10-protective 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 and fig. 2, the present invention provides a technical solution: an energy-saving heat-preservation heat supply steam pipeline comprises a steam main pipe 1, a first heat preservation layer 2, a second heat preservation layer 3, a third heat preservation layer 4, a first reflection layer 5, a second reflection layer 6, a third reflection layer 7, a packing belt 8, a semicircular top layer 9 and a protection layer 10, wherein the first heat preservation layer 2, the second heat preservation layer 3 and the third heat preservation layer 4 are sequentially wrapped outside the steam main pipe 1 from inside to outside, the steam main pipe 1 is a steel pipe, the steel pipe is made of carbon steel or stainless steel, the first reflection layer 5 is arranged between the first heat preservation layer 2 and the second heat preservation layer 3, the second reflection layer 6 is arranged between the second heat preservation layer 3 and the third heat preservation layer 4, the third reflection layer 7 is arranged outside the third heat preservation layer 4, the first heat preservation layer 2 is made of aluminum silicate cotton felt, the second heat preservation layer 3 and the third heat preservation layer 4 are made of high-temperature glass cotton, and the first reflection layer 5, the second reflection layer 6 and the third reflection layer 7 are made of glass fiber cloth, the first heat preservation layer 2, the first reflection layer 5, the second heat preservation layer 3, the second reflection layer 6, the third heat preservation layer 4, the third reflection layer 7 and the protection layer 10 are sequentially arranged on the outer side of the steam main pipe 1, the first heat preservation layer 2, the second heat preservation layer 3 and the third heat preservation layer 4 play a role in heat preservation of the steam main pipe 1 and prevent steam heat from leaking outwards, the first reflection layer 5, the second reflection layer 6 and the third reflection layer 7 reflect heat radiation released by steam in the steam main pipe 1 and further prevent heat from leaking outwards, a plurality of ventilation through holes are reserved on the surfaces of the first reflection layer 5, the second reflection layer 6 and the third reflection layer 7, ventilation through holes are arranged on the surfaces of the first reflection layer 5, the second reflection layer 6 and the third reflection layer 7 so as to facilitate moisture to be exhausted, the protection layer 10 is arranged on the outer side of the third reflection layer 7, and the protection layer 10 is made of a color steel plate, be equipped with semicircle capping layer 9 between protective layer 10 and the third layer transmitting layer, semicircle capping layer 9 is equipped with two sets ofly, the semicircle changes the top layer and locates 7 upper ends of third reflection stratum, semicircle capping layer 9 adopts the cotton material of high temperature glass, through being responsible for 1 top at steam and set up two semicircle capping layers 9, because the heat is mainly to the top radiation, consequently, it can play further heat preservation effect to set up semicircle capping layer 9 and be responsible for 1 to steam, also can avoid sinking because of the heat preservation, pipeline top heat dissipation loss has been reduced, protective layer 10 outside equidistant even be equipped with packing area 8, packing area 8 is the stainless steel wire.
Application method
This technical scheme is applicable to rock wool, glass cotton, the construction of warm mineral wool tube shell or seam felt, and every layer of compound section of tube shell or seam felt is beaten twice packing area 8 at least, and its interval is not more than 300mm, and the longitudinal joint of every layer of tube shell or seam felt staggers each other, can not arrange in just perpendicular position, and the outer protective layer should cover the circumferential weld of inner protective layer, longitudinal joint, and the seam mouth department of seam felt should have the overlap joint layer, and high temperature resistant seam mouth department uses the gluey adhesion that the tube shell used, adopts self-tapping screw to connect between each protective layer.
When the heat supply steam pipeline is constructed, a high-end energy-saving heat insulation material is adopted, the heat insulation thickness is increased, and two layers of roofs (namely a semicircular roof layer 9) are added at the top;
according to the requirements of energy conservation and emission reduction, when a new steam pipeline is designed, high-end energy-saving heat-insulating materials (an air bag for blocking heat loss and a novel reflecting layer) are adopted;
the phenomenon of tenesmus can appear after generally keeping warm and installing, and when the design, the top adopts two semicircles to do the caping (semicircle caping layer 9 promptly), even keep warm the tenesmus, can not influence the heat preservation effect yet.
The anti-theft valve is adopted, and as part of the steam pipeline passes through a residential area, the anti-theft stop valve is installed, so that the loss in the aspect of drainage can be reduced, and the pipe loss is reduced;
starting from design and pipeline construction, the annular heat supply network can be built by the heat supply pipe network of the heat supply steam pipeline, the condition that the water content of the tail end is large is avoided, drainage discharge is reduced, the tail end is avoided after the steam pipe network forms a ring network, annular backflow is formed by steam in the pipeline, the steam is fully utilized, and no condensed water is generated due to small flow of the tail end, so that pipe loss is reduced.
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 (8)
1. An energy-saving and heat-insulating heating steam pipeline is characterized in that: comprises a steam main pipe (1), a first heat-insulating layer (2), a second heat-insulating layer (3), a third heat-insulating layer (4), a first reflecting layer (5), a second reflecting layer (6), a third reflecting layer (7), a packing belt (8), a semicircular cover top layer (9) and a protective layer (10), wherein the first heat-insulating layer (2), the second heat-insulating layer (3) and the third heat-insulating layer (4) are sequentially wrapped outside the steam main pipe (1) from inside to outside, the first reflecting layer (5) is arranged between the first heat-insulating layer (2) and the second heat-insulating layer (3), the second reflecting layer (6) is arranged between the second heat-insulating layer (3) and the third heat-insulating layer (4), the third reflecting layer (7) is arranged outside the third heat-insulating layer (4), the protective layer (10) is arranged outside the third reflecting layer (7), and the semicircular cover top layer (9) is arranged between the protective layer (10) and the third emitting layer, the semicircular cover top layer (9) is provided with two groups, the semicircular cover top layer is arranged at the upper end of the third reflecting layer (7), and packing belts (8) are uniformly arranged on the outer side of the protective layer (10) at equal intervals.
2. An energy-saving insulated heating steam pipeline according to claim 1, characterized in that: the steam main pipe (1) is a steel pipe, and the steel pipe is made of carbon steel or stainless steel.
3. An energy-saving insulated heating steam pipeline according to claim 1, characterized in that: the first heat preservation layer (2) is made of aluminum silicate cotton felt, and the second heat preservation layer (3) and the third heat preservation layer (4) are made of high-temperature glass cotton.
4. An energy-saving insulated heating steam pipeline according to claim 1, characterized in that: the first reflecting layer (5), the second reflecting layer (6) and the third reflecting layer (7) are all made of aluminum foil glass fiber cloth.
5. An energy-saving insulated heating steam pipeline according to claim 1, characterized in that: the protective layer (10) is made of a color steel plate.
6. An energy-saving insulated heating steam pipeline according to claim 1, characterized in that: and a plurality of air-permeable through holes are reserved on the surfaces of the first reflecting layer (5), the second reflecting layer (6) and the third reflecting layer (7).
7. An energy-saving insulated heating steam pipeline according to claim 1, characterized in that: the packing belt (8) is made of stainless steel wires.
8. An energy-saving insulated heating steam pipeline according to claim 1, characterized in that: the top layer (9) of the semicircular cover is made of high-temperature glass wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010526331.4A CN111810730A (en) | 2020-06-11 | 2020-06-11 | Energy-saving heat-preserving heat supply steam pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010526331.4A CN111810730A (en) | 2020-06-11 | 2020-06-11 | Energy-saving heat-preserving heat supply steam pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN111810730A true CN111810730A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010526331.4A Pending CN111810730A (en) | 2020-06-11 | 2020-06-11 | Energy-saving heat-preserving heat supply steam pipeline |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120013488A (en) * | 2010-08-05 | 2012-02-15 | 송형필 | Heat-Retaining Structure of Steam Pipe Device and Method of Using Thereof |
| CN102829257A (en) * | 2011-06-15 | 2012-12-19 | 朱伟全 | Hot water pipe |
| CN205896567U (en) * | 2016-07-28 | 2017-01-18 | 胡伟明 | Well high temperature tube nets energy -efficient compound incubation structure |
| CN108758103A (en) * | 2018-05-23 | 2018-11-06 | 珠海新源热力有限公司 | A kind of thermal insulation steam pipeline |
| CN210600696U (en) * | 2019-09-30 | 2020-05-22 | 天津鑫宇通防腐保温工程有限公司 | Steam composite heat-insulating pipe |
-
2020
- 2020-06-11 CN CN202010526331.4A patent/CN111810730A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120013488A (en) * | 2010-08-05 | 2012-02-15 | 송형필 | Heat-Retaining Structure of Steam Pipe Device and Method of Using Thereof |
| CN102829257A (en) * | 2011-06-15 | 2012-12-19 | 朱伟全 | Hot water pipe |
| CN205896567U (en) * | 2016-07-28 | 2017-01-18 | 胡伟明 | Well high temperature tube nets energy -efficient compound incubation structure |
| CN108758103A (en) * | 2018-05-23 | 2018-11-06 | 珠海新源热力有限公司 | A kind of thermal insulation steam pipeline |
| CN210600696U (en) * | 2019-09-30 | 2020-05-22 | 天津鑫宇通防腐保温工程有限公司 | Steam composite heat-insulating pipe |
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Application publication date: 20201023 |
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