CN215001818U

CN215001818U - Anti-freezing device for heat supply pipe network flow stopping area

Info

Publication number: CN215001818U
Application number: CN202121068891.6U
Authority: CN
Inventors: 张鑫; 赵睿; 张化海; 何福康
Original assignee: Tianjin Thermal Power Co ltd
Current assignee: Tianjin Thermal Power Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-12-03
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses an anti-freezing device for a heat supply pipe network flow stopping area, which comprises a heat supply pipeline, wherein two ends of the heat supply pipeline are respectively and fixedly connected with a flange A and a flange B; the device also comprises a circulating pipe, a micro water pump A and a micro water pump B; the A micro water pump and the B micro water pump are respectively positioned at two ends of the circulating pipe and are in through connection with the circulating pipe, the inner pipe is fixedly connected inside the heat supply pipeline, and the A micro water pump and the B micro water pump are respectively in through connection with the inner pipe and form a circulating loop. The utility model discloses when using, through the power supply to the electric heating resistance silk, the electric heating resistance silk can produce the heat, and then can conduct to inner tube surface, and the thermal sensitive adhesive tape can effectual conduction heat energy, and then can heat the inner tube, avoids the water in the inner tube to freeze, has improved the frostproofing effect of equipment, has improved the protectiveness of equipment.

Description

Anti-freezing device for heat supply pipe network flow stopping area

Technical Field

The utility model relates to a heat supply pipe network equipment technical field specifically is a be used for regional defroster of heat supply pipe network outage.

Background

The city central heating pipe network is composed of pipeline system for conveying and distributing heating medium to heat user by city central heating source, the heat network is composed of heat transmission main line, heat distribution main line and branch line, the heat transmission main line is led out from heat source, the branch line and heat distribution main line are not connected with heat transmission main line or directly connected out from heat source, the heat distribution branch line is used for supplying heat to user, the pipe diameter of heat network is determined according to hydraulic calculation, in large pipe network, sometimes for ensuring pipe network pressure working condition, the central regulation and detection of heating medium parameter are implemented, and the heat network station is set at the connection position of heat transmission main line or heat transmission main line and heat distribution main line, and is mainly determined according to city heat load distribution condition, block current state, development planning and geological and topographic condition, etc. and is generally arranged into branch shape, when multiple heat sources are used for supplying heat, in order to mutually reserve, and raise reliability and flexibility of heat supply, a communicating pipe can be set between heat transmission main lines of each heat source, the anti-freezing device can be arranged in an annular shape, the heat supply pipeline is easy to freeze in the pipeline to cause pipeline blockage when the weather is cold in winter, and the operation of the heat supply pipeline is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be directed against prior art not enough, the utility model provides a be used for heat supply pipe network to stop regional freeze-proof device flows has solved the problem that provides in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

an anti-freezing device for a heat supply pipe network flow stopping area comprises a heat supply pipeline, wherein two ends of the heat supply pipeline are respectively and fixedly connected with an A flange and a B flange;

the device also comprises a circulating pipe, a micro water pump A and a micro water pump B; the A micro water pump and the B micro water pump are respectively positioned at two ends of the circulating pipe and are in through connection with the circulating pipe, the inner pipe is fixedly connected inside the heat supply pipeline, and the A micro water pump and the B micro water pump are respectively in through connection with the inner pipe and form a circulating loop.

Furthermore, the surface of the inner tube is fixedly connected with an electric heating resistance wire.

Furthermore, a thermosensitive adhesive tape is fixedly connected to the surface of the electrothermal resistance wire.

Furthermore, the surface of the thermosensitive adhesive tape is fixedly connected with heat-insulating cotton.

Furthermore, the surface of the heat preservation cotton is fixedly connected with an outer pipe.

Furthermore, the heat supply pipeline is fixedly connected with a downstream pipeline through a B flange plate, and an adjusting valve is fixedly installed on the downstream pipeline.

(III) advantageous effects

The utility model provides an anti-freeze device for heat supply pipe network area that stops flowing possesses following beneficial effect:

the utility model has the advantages of the utility model provides a be used for heat supply pipe network regional freeze-proof device that stops flowing, this equipment provides an antifreeze structure, when using, the staff can twine the electric heat resistance silk earlier on inner tube surface, twine the surface at the electric heat resistance silk with the heat sensitive adhesive tape again, fix the surface at the heat sensitive adhesive tape with the cotton cover that keeps warm at last, through the power supply to the electric heat resistance silk, the electric heat resistance silk can produce the heat, and then can conduct to inner tube surface, the heat sensitive adhesive tape can effectual conduction heat energy, and then can heat the inner tube, avoid the water in the inner tube to freeze, the effect of preventing frostbite of equipment has been improved, the protectiveness of equipment has been improved.

The utility model has the advantages of the utility model provides a be used for regional defroster of heat supply pipe network outage, this equipment provides an antifreeze structure, when using, A miniature pump and B miniature pump can be started to the staff, can take out the water in the heat supply pipeline to the circulating pipe in through the runner pipe, carry to the heat supply pipeline in from the circulating pipe again, make water form the state of a circulation, avoid rivers motionless to cause water to freeze easily, the frost protection of equipment has been improved, can drive the water circulation simultaneously, make some department of freezing melt.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the circulation pipe structure of the present invention;

fig. 3 is a schematic sectional view of the heat supply pipeline structure of the present invention.

In the figure: 1. a heat supply pipeline; 2. a, a flange plate; 3. a flange B; 4. a, a micro water pump; 5. b, a miniature water pump; 6. a circulation pipe; 7. a gasket; 801. a first flow pipe; 802. a second flow pipe; 9. an inner tube; 10. an electric heating resistance wire; 11. a heat-sensitive adhesive tape; 12. an inner tube cavity; 13. heat preservation cotton; 14. an outer tube; 15. and adjusting the valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: an anti-freezing device for a heat supply pipe network flow stopping area comprises a heat supply pipeline 1, wherein two ends of the heat supply pipeline 1 are respectively and fixedly connected with an A flange 2 and a B flange 3, and the anti-freezing device further comprises a circulating pipe 6, an A micro water pump 4 and a B micro water pump 5; the A micro water pump 4 and the B micro water pump 5 are respectively positioned at two ends of the circulating pipe 6 and are communicated with the circulating pipe 6, the inner pipe 9 is fixedly connected inside the heat supply pipeline 1, and the A micro water pump 4 and the B micro water pump 5 are respectively communicated with the inner pipe 9 to form a circulating loop.

It should be noted that the miniature water pump a 4 and the miniature water pump B5 are respectively connected with two ends of the circulation pipe 6 in a sealing manner through a sealing gasket 7, and the miniature water pump a 4 and the miniature water pump B5 are respectively connected with the inner pipe 9 through a first circulation pipe 801 and a second circulation pipe 802 in a penetrating manner to form a circulation loop;

in addition, the surface of the inner tube 9 is fixedly connected with an electric heating resistance wire 10, the surface of the electric heating resistance wire 10 is fixedly connected with a thermosensitive adhesive tape 11, an inner tube cavity 12 is formed between the electric heating resistance wire 10 and the thermosensitive adhesive tape 11, the surface of the thermosensitive adhesive tape 11 is fixedly connected with a heat preservation cotton 13, the heat preservation cotton 13 can avoid the erosion of the external cold air to the inner tube 9, meanwhile, the heat generated by the electric heating resistance wire 10 can be protected, the heat is prevented from being dissipated, the heat preservation effect of the equipment is improved, the anti-freezing effect of the equipment is improved, the surface of the heat preservation cotton 13 is fixedly connected with an outer tube 14, the heat supply pipeline is fixedly connected with a downstream pipeline through a B flange plate, an adjusting valve 15 is fixedly installed on the downstream pipeline, a worker can wind the electric heating resistance wire 10 on the surface of the inner tube 9 firstly, then wind the thermosensitive adhesive tape 11 on the surface of the electric heating resistance wire 10, and finally cover and fix the heat preservation cotton 13 on the surface of the thermosensitive adhesive tape 11, through the power supply to the electric heating resistance wire 10, the electric heating resistance wire 10 can generate heat and further can be conducted to the surface of the inner pipe 9, the heat-sensitive adhesive tape 11 can effectively conduct heat energy, further can heat the inner pipe 9, the freezing of water in the inner pipe 9 is avoided, the anti-freezing effect of the equipment is improved, the protection performance of the equipment is improved, when the anti-freezing device is used, a worker can start the A micro water pump 4 and the B micro water pump 5, water in the heat supply pipeline 1 can be pumped into the circulating pipe 6 through the circulating pipe 8 and then conveyed into the heat supply pipeline 1 from the circulating pipe 6, water forms a circulating state, the phenomenon that water is easily frozen due to the fact that water flow is not moved is avoided, the anti-freezing performance of the equipment is improved, meanwhile, the water can be driven to circulate, some frozen parts are melted, the anti-freezing device for the heat supply pipeline flow stopping area does not relate to complex processes and precise components, and is simple in structure, scientific and practical, the raw and other materials of this equipment source is extensive moreover, and is with low costs, can effectually satisfy the demand in market, consequently, be used for heat supply pipe network to stop regional freeze-proof device of flowing has good market prospect and space.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

To sum up, when the anti-freezing device for the heat supply pipe network flow stopping area is used, a worker can firstly wind the electric heating resistance wire 10 on the surface of the inner pipe 9, then wind the heat sensitive adhesive tape 11 on the surface of the electric heating resistance wire 10, and finally cover and fix the heat preservation cotton 13 on the surface of the heat sensitive adhesive tape 11, through the power supply to the electric heating resistance wire 10, the electric heating resistance wire 10 can generate heat, and further can conduct the heat to the surface of the inner pipe 9, the heat sensitive adhesive tape 11 can effectively conduct heat energy, and further can heat the inner pipe 9, so as to avoid the water in the inner pipe 9 from freezing, improve the anti-freezing effect of the equipment, improve the protection performance of the equipment, when the anti-freezing device is used, the worker can start the A micro-water pump 4 and the B micro-water pump 5, can pump the water in the heat supply pipe 1 to the circulation pipe 6 through the circulation pipe 8, and then convey the water to the circulation pipe 1 from the circulation pipe 6, so that the water forms a circulation state, the problem that water is easy to freeze due to the fact that water flow is not moved is avoided, the freezing resistance of the device is improved, meanwhile, water circulation can be driven, and some frozen parts are melted.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an antifreeze device for heat supply pipe network outage area, includes heat supply pipeline (1), its characterized in that: two ends of the heat supply pipeline (1) are respectively and fixedly connected with a flange A (2) and a flange B (3);

also comprises a circulating pipe (6), an A micro water pump (4) and a B micro water pump (5); the heat supply pipeline is characterized in that the A micro water pump (4) and the B micro water pump (5) are respectively located at two ends of the circulating pipe (6) and are in through connection with the circulating pipe (6), the inner pipe (9) is fixedly connected to the inside of the heat supply pipeline (1), the A micro water pump (4) and the B micro water pump (5) are respectively in through connection with the inner pipe (9) and form a circulating loop, the sealing gasket (7) is fixedly connected to the inside of the circulating pipe (6), and a circulating pipe (8) is inserted into the bottom of the circulating pipe (6).

2. The antifreeze apparatus of claim 1, wherein said antifreeze apparatus comprises: the surface of the inner tube (9) is fixedly connected with an electric heating resistance wire (10).

3. The antifreeze apparatus of claim 2, wherein said antifreeze apparatus comprises: the surface of the electric heating resistance wire (10) is fixedly connected with a heat-sensitive adhesive tape (11).

4. The antifreeze apparatus of claim 3, wherein said antifreeze apparatus comprises: the surface of the thermosensitive adhesive tape (11) is fixedly connected with heat-insulating cotton (13).

5. The antifreeze apparatus of claim 4, wherein said antifreeze apparatus comprises: the surface of the heat insulation cotton (13) is fixedly connected with an outer pipe (14).

6. The antifreeze apparatus of claim 1, wherein said antifreeze apparatus comprises: the heat supply pipeline (1) is fixedly connected with a downstream pipeline through a B flange plate (3), and an adjusting valve (15) is fixedly installed on the downstream pipeline.