CN207277314U - A kind of ground heating type soil body crust freezing prevention and control device - Google Patents

A kind of ground heating type soil body crust freezing prevention and control device Download PDF

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Publication number
CN207277314U
CN207277314U CN201721131368.7U CN201721131368U CN207277314U CN 207277314 U CN207277314 U CN 207277314U CN 201721131368 U CN201721131368 U CN 201721131368U CN 207277314 U CN207277314 U CN 207277314U
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China
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heat
isolation film
soil body
control device
thermal isolation
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CN201721131368.7U
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任秀玲
俞祁浩
王俊峰
穆彦虎
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Northwest Institute of Eco Environment and Resources of CAS
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Cold and Arid Regions Environmental and Engineering Research Institute of CAS
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Abstract

A kind of ground heating type soil body crust freezing prevention and control device is the utility model is related to, which includes High-temperature Air Generator(1), high temperature and pressure wind turbine(2), hot-air is passed through into more diversion pipes(5)The thermal energy distributor box evenly distributed away(4), respectively with diversion pipe(5)Air outlet is connected and a plurality of Ventilate pipe of parallel arrangement(8);Heat-dissipating pipe(8)Top is equipped with thermal isolation film(7), thermal isolation film(7)Edge away from soil body top layer is equipped with heat-insulated side curtain, thermal isolation film(7)With heat-insulated side curtain by all heat-dissipating pipes(8)It is contained in the inner space that both form with soil body top layer.The application ensure that effectively conveying and evenly distribute for hot-air, and the efficiency of heating surface is high, antifreezing effect is excellent.The application also have the advantages that installation it is easy to implement, it is mobile flexibly, prevention and control area is big, heat energy efficiency is high and low engineering cost, for ensuring construction quality, improving labor efficiency, shortens the engineering construction cycle and reduction project cost has great importance.

Description

A kind of ground heating type soil body crust freezing prevention and control device
Technical field
It the utility model is related to soil body crust freezing Control Technology field, more particularly to a kind of ground heating type soil body crust freezing Prevention and control device.
Background technology
In China western part and alpine region, seasonal frozen ground and ever-frozen ground are widely distributed, and area accounts for the total face in Chinese land Long-pending 70%.In recent years, actively push forward with development of the West Regions, road engineering, large-scale water conservancy and hydropower Development Engineering etc. are gradual Implement in western mountainous areas and Plateau Cold Area.Due to the moisture in the soil body, volume increases during frost, produces frost-heave force, forces Relative displacement occurs for grogs, and thaw collapse occurs after melting, and the damage of structures is be easy to cause, so in these engineering construction mistakes Cheng Zhong, roadbed and dam body building require earth material forbid containing freeze soil block, interface is forbidden to freeze.Therefore, freeze in season Soil and permafrost distribution area, carry out during roadbed construction and dam embankment earth material and engineering interface freeze prevention and control for Ensure construction quality, shorten construction period, reduce project cost and have great importance and real needs.
In view of itself work surface of the extreme environmental conditions in seasonal frozen ground and permafrost distribution area, engineering and earthwork usage amount The problems such as big, existing disclosed material top layer freezing proof technique generally require to be heated by large power supply generation alternating magnetic field Or individually designed heating sub-device carries out heating and anti-freezing.But these technical measures are to be directed to transmission line of electricity, tunnel and pipeline Researched and developed etc. antifreeze problem, defroster once builds up operation, it is difficult to mobile and change, and also these defrosters construction is multiple It is miscellaneous, project cost is high, antifreeze scope is smaller, it is difficult to meet in road or dam body engineering that earth material protects bulky, construction operation Face broadness and the problem changed at any time, do not reach expected earth material and working face freezing soil prevention and control target.
Utility model content
Technical problem to be solved in the utility model be to provide it is a kind of it is easy to implement, the efficiency of heating surface is high and antifreezing effect is excellent Good ground heating type soil body crust freezing prevention and control device, it is ensured that the engineering structure top layer soil body does not freeze under low temperature freezing environment Knot, the needs for the engineering construction progress that meets to work continuously, improve in construction process.
To solve the above problems, a kind of ground heating type soil body crust freezing prevention and control device described in the utility model, its feature It is, which includes producing the High-temperature Air Generator of hot-air, and the hot-air is concentrated with certain speed and pressure and is passed The high temperature and pressure wind turbine seen off, concentrates the thermal energy for receiving the hot-air and evenly distributing away it by more diversion pipes Distributor box, is connected with the diversion pipe air outlet and a plurality of Ventilate pipe of parallel arrangement respectively;Above the heat-dissipating pipe Equipped with thermal isolation film, edge of the thermal isolation film away from soil body top layer is equipped with heat-insulated side curtain, the thermal isolation film and the heat-insulated side curtain All heat-dissipating pipes are contained in the inner space that both form with soil body top layer.
Preferably, the both sides that the thermal isolation film is contacted with soil body top layer are equipped with dead-weight press mold.
Preferably, the lower surface of the thermal isolation film is Nian Jie with the upper surface of the heat-dissipating pipe.
Preferably, the heat-dissipating pipe is made by breathable nylon cloth.
Preferably, the dead-weight press mold is Nian Jie with the thermal isolation film.
Preferably, the diversion pipe is the strong screwed pipe of flexible toughness.
Preferably, the thermal energy distributor box is case made of stainless steel plate, its inner surface is equipped with fire-proof high-temperature resistant insulation Lining.
The utility model has the following advantages compared with prior art:
(1) the application freezes in prevention and control device, and the hot-air that High-temperature Air Generator produces is concentrated through high temperature and pressure wind turbine It is transported in thermal energy distributor box, then hot-air is evenly distributed in each Ventilate pipe by diversion pipe, permeability type dissipates Heat pipe is heated by air of the convection type below thermal isolation film again, under the insulation effect of thermal isolation film by hot-air with The thermal convection current on bottom soil body top layer and heat transfer realize the heating to soil body top layer, and freezing for the top layer soil body is avoided with this.This Shen It please ensure that effectively conveying and evenly distribute for hot-air, the efficiency of heating surface is high, antifreezing effect is excellent.
(2) the application freezes prevention and control device also with installation is easy to implement, movement is flexible, prevention and control area is big, heat energy efficiency The advantages that high and low engineering cost, it can be ensured that cold season engineering construction is smoothed out, improves the progress of engineering construction, and avoids Earth material freezes the recessive harmful effect brought to construction quality, for ensuring construction quality, improving labor efficiency, shorten engineering and build If cycle and reduction project cost have great importance and real needs.
(3) further, to avoid the invalid of thermal isolation film lower part hot-fluid from scattering and disappearing, the application thermal isolation film is contacted with soil body top layer Both sides are equipped with dead-weight press mold, can make the thermal isolation film contact good with ground, the entrance of avoiding device cool exterior air is to anti- The efficiency of control device has a negative impact.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structure diagram of the utility model.
In figure:1-High-temperature Air Generator, 2-high temperature and pressure wind turbine, 3-connecting tube, 4-thermal energy distributor box, 5-lead Flow tube, 6-dead-weight press mold, 7-thermal isolation film, 8-Ventilate pipe.
Embodiment
With reference to figure 1, the application ground heating type soil body crust freezing prevention and control device specifically includes High-temperature Air Generator 1, high temperature High pressure positive blower 2, connecting tube 3, thermal energy distributor box 4, diversion pipe 5, thermal isolation film 7 and Ventilate pipe 8.Thermal energy distributor box 4 has Five air outlets, there is five diversion pipes 5 and five heat-dissipating pipes 8 accordingly, this is merely illustrative certainly, its quantity not office It is limited to this.
High-temperature Air Generator 1 is used for the high temperature air for producing hot-air, its power source can be fuel or electric energy, have Portable fuel heater unit may be selected in body or energy devices of other heating are formed, the temperature range of hot-air 50-150 DEG C it Between.
The hot-air that high temperature and pressure wind turbine 2 is used to produce High-temperature Air Generator 1 is concentrated with certain speed and pressure and passed See off, the centrifugal fan or axial fan driven by 220V or 380V can be used in practical application;Transmit hot-air Speed and pressure are not particularly limited, with high speed axial wind turbine or centrifugal fan achieved speed and pressure phase in itself Adaptation.
Thermal energy distributor box 4 has an air inlet, five air outlets, and air inlet passes through connecting tube 3 and high temperature and pressure wind turbine 2 air outlet is connected, for concentrating the hot-air for receiving high temperature and pressure wind turbine 2 and producing, five air outlets respectively with same number Diversion pipe 5 be connected, for will concentrate receive hot-air be uniformly distributed to five heat-dissipating pipes 8.In practical application, thermal energy point It can be welded with case 4 by stainless steel plate, liner fire-proof high-temperature resistant thermal insulation material;Connecting tube 3 can be by flexible strong screw thread control Into still liner fire-retardant heat-insulation material.
Five 8 parallel uniform intervals of heat-dissipating pipe arrangements, its air inlet are connected with corresponding 5 air outlet of diversion pipe, its is remote One end closing of air inlet;The top of heat-dissipating pipe 8 is equipped with thermal isolation film 7, and thermal isolation film 7 (does not contact) away from soil body top layer with soil body top layer Edge all heat-dissipating pipes 8 are contained in both and the soil body equipped with heat-insulated side curtain (being not drawn into figure), thermal isolation film 7 and heat-insulated side curtain In the inner space that top layer is formed;Wherein it is possible to understand, the downward projected area of thermal isolation film 7 is with treating antifreeze soil body table Aspect product is adapted, and edge of all edges of the thermal isolation film 7 away from soil body top layer in addition to 8 present position of heat-dissipating pipe is designed with Heat-insulated side curtain.The hot-air entered in heat-dissipating pipe 8 is uniformly scattered onto the lower section of thermal isolation film 7 by the air hole on its tube wall, leads to The soil body surface crossed under cross-ventilated mode covers thermal isolation film 7 heats.
Specifically, heat-dissipating pipe 8 can be the lower surface of hollow elongated cylinder or cuboid body, its upper surface and thermal isolation film 7 Bonding forms entirety, and when heat-dissipating pipe 8 is hollow elongated cylinder, thermal isolation film 7 is in wavy on heat-dissipating pipe 8;Heat-insulated side curtain with every Hotting mask 7 is integrated or sews and is integrated.In practical application, heat-dissipating pipe 8 can be made of the resistance to breathable nylon cloth for pulling drawing of toughness;Every Hotting mask 7 high, resistance to by toughness can pull drawing, waterproof, nonhygroscopic Oxford cloth is made.
Both sides of the thermal isolation film 7 in heat-dissipating pipe 8 radially are equipped with dead-weight press mold 6, and dead-weight press mold 6 is strip and length Isometric with the 7 both sides length of side of thermal isolation film, it is be bonded with thermal isolation film 7, positioned at the lower section of thermal isolation film 7.In practical application, dead-weight press mold 6 It can be made of flexible good, anti-aging silica gel material.
During making, diversion pipe 5, dead-weight press mold 6, thermal isolation film 7 and Ventilate pipe 8 can be spread as thermal energy and protected Integral structure is made in isothermal segment, in use, slowly the subject surface that needs freeze prevention and control is covered in expansion by the part, Then thermal energy distributor box 4 is connected with diversion pipe 5;High temperature and pressure wind turbine 2 is connected with thermal energy distributor box 4 by connecting tube 3 again; After High-temperature Air Generator 1 is connected to high temperature and pressure wind turbine 2, High-temperature Air Generator 1 is connected with high temperature and pressure wind turbine 2 The device can run work after power supply, and the object under being covered to the prevention and control device heats, and plays the mesh for freezing prevention and control 's.

Claims (7)

1. a kind of ground heating type soil body crust freezing prevention and control device, it is characterised in that the high temperature that the device includes producing hot-air is empty Gas generator (1), concentrates the high temperature and pressure wind turbine (2) sent out, concentration connects by the hot-air with certain speed and pressure Receive the hot-air and the thermal energy distributor box (4) for evenly distributing away it by more diversion pipes (5), respectively with the water conservancy diversion Pipe (5) air outlet is connected and a plurality of Ventilate pipe (8) of parallel arrangement;Thermal isolation film is equipped with above the heat-dissipating pipe (8) (7), edge of the thermal isolation film (7) away from soil body top layer is equipped with heat-insulated side curtain, and the thermal isolation film (7) and the heat-insulated side curtain will All heat-dissipating pipes (8) are contained in the inner space that both form with soil body top layer.
2. freeze prevention and control device as claimed in claim 1, it is characterised in that what the thermal isolation film (7) contacted with soil body top layer Both sides are equipped with dead-weight press mold (6).
3. freeze prevention and control device as claimed in claim 1, it is characterised in that the lower surface of the thermal isolation film (7) is dissipated with described The upper surface bonding of heat pipe (8).
4. freeze prevention and control device as claimed in claim 1, it is characterised in that the heat-dissipating pipe (8) is made by breathable nylon cloth.
5. freeze prevention and control device as claimed in claim 2, it is characterised in that the dead-weight press mold (6) and the thermal isolation film (7) it is bonded.
6. freeze prevention and control device as claimed in claim 1, it is characterised in that the diversion pipe (5) is the strong spiral shell of flexible toughness Line pipe.
7. freeze prevention and control device as claimed in claim 1, it is characterised in that the thermal energy distributor box (4) is stainless steel plate system Into case, its inner surface is equipped with fire-proof high-temperature resistant insulating lining.
CN201721131368.7U 2017-09-05 2017-09-05 A kind of ground heating type soil body crust freezing prevention and control device Active CN207277314U (en)

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Application Number Priority Date Filing Date Title
CN201721131368.7U CN207277314U (en) 2017-09-05 2017-09-05 A kind of ground heating type soil body crust freezing prevention and control device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107338786A (en) * 2017-09-05 2017-11-10 中国科学院寒区旱区环境与工程研究所 A kind of soil body crust freezing prevention and control system based on ground heating type heating
CN109440825A (en) * 2018-10-30 2019-03-08 保定市尚泉供水科技有限公司 A kind of municipal administration walling crib that can be heated
CN112962644A (en) * 2021-02-03 2021-06-15 王惠娟 Sand foundation pit dewatering construction structure and construction method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107338786A (en) * 2017-09-05 2017-11-10 中国科学院寒区旱区环境与工程研究所 A kind of soil body crust freezing prevention and control system based on ground heating type heating
CN109440825A (en) * 2018-10-30 2019-03-08 保定市尚泉供水科技有限公司 A kind of municipal administration walling crib that can be heated
CN112962644A (en) * 2021-02-03 2021-06-15 王惠娟 Sand foundation pit dewatering construction structure and construction method

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Effective date of registration: 20200812

Address after: 730000 No.318, Donggang West Road, Chengguan District, Lanzhou City, Gansu Province

Patentee after: NORTHWEST INSTITUTE OF ECO-ENVIRONMENT AND RESOURCES, CAS

Address before: 730000 Gansu city of Lanzhou province Donggang West Road No. 320

Patentee before: Institute of environment and Engineering in cold and dry areas, Chinese Academy of Sciences