CN210624682U - Monomer disconnect-type heating pipe of frozen district road bed frost heaving prevention and control - Google Patents
Monomer disconnect-type heating pipe of frozen district road bed frost heaving prevention and control Download PDFInfo
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- CN210624682U CN210624682U CN201921371885.0U CN201921371885U CN210624682U CN 210624682 U CN210624682 U CN 210624682U CN 201921371885 U CN201921371885 U CN 201921371885U CN 210624682 U CN210624682 U CN 210624682U
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Abstract
The utility model discloses a monument disconnect-type heating pipe of frozen district road bed frost heaving prevention and control in season, it includes the modulator of connecting through wire and compressor, with compressor export intercommunication and set up in the road bed freeze deep first body and with compressor entry intercommunication and set up in the second body on deep geothermal energy layer, set up in the road bed freeze deep and deep geothermal energy layer's first temperature sensor and second temperature sensor, set up the metal thermal compensation silk in deep geothermal energy layer. The regulator is respectively connected with the first temperature sensor, the second temperature sensor and the solar controller through leads, the solar controller is respectively connected with the solar cell panel, the storage battery and the inverter through leads, and the inverter is connected with the metal thermal compensation wire through leads. The utility model has the characteristics of usable solar energy compensation geothermal energy is applicable to and prevents the frozen swelling disease in seasonally frozen ground area.
Description
Technical Field
The utility model relates to a road bed engineering field especially relates to the field of preventing and treating seasonal frozen soil district road bed frost heaving disease, especially one kind can utilize solar energy to supply degree of depth geothermal energy, guarantees that geothermal energy can stabilize the heating device to the biggest deep transport of freezing.
Background
The frozen soil is various rocks and soils with ice content below zero centigrade, the frozen soil area of China is large, and accounts for 53.5 percent of the national soil area, wherein about 75 percent of traffic lines are positioned in seasonal frozen soil and short-term frozen soil areas. Because of the rheological properties of frozen earth, its long-term strength is much lower than the instantaneous strength characteristics, which leads to two major risks for building engineering structures in frozen earth areas: the property of frozen soil seriously affects the running safety of railways, greatly improves the maintenance cost of railways and hinders the economic development and construction of seasonal frozen areas. Therefore, the method has important social and economic significance for effectively solving the frost heaving disease of the roadbed.
Soil quality, moisture and temperature are three factors of subgrade frost heaving, any factor is completely controlled to avoid subgrade frost heaving diseases, the current prevention and control measures are mainly concentrated on the soil quality and the moisture, such as replacing and filling coarse-grained soil, arranging a water outlet and the like, but the actual measurement result shows that the measures cannot fundamentally solve the subgrade frost heaving diseases.
In the temperature control, mainly confine to passive protection, if lay the heated board road bed, fill up the heat preservation and protect the way, nevertheless because the relative atmosphere of winter road bed is in high temperature state, the road bed still can constantly give off the heat to the atmosphere, and then can be because of the excessive cooling frost heave of heat loss.
At present, although the ground source heat pump is utilized to actively convey heat to the frozen deep layer of the roadbed, the heat balance of the roadbed is adjusted, and the roadbed is prevented from being cooled and frozen, in the practical use process, the heat absorption section absorbs surrounding geothermal energy rapidly, the geothermal energy supply speed of the nearby stratum is insufficient, the heat absorption section can form a negative temperature zone, and then the heat absorption section is likely to be frozen, so that the smooth-going degree of the roadbed is influenced, and the device cannot play a good working effect in the region with insufficient geothermal energy, and has great limitation. And the prefreek areas in China are mainly located in high-latitude areas, and the solar energy in the areas is quite sufficient.
Therefore, based on the geographical distribution condition of geothermal energy and solar energy in China, the separated temperature control device capable of supplementing geothermal energy by using solar energy is used for solving the problem of roadbed frost heaving diseases in frozen areas in China, and has wide application prospect.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to only lean on single geothermal energy or the not good problem of single solar energy effect to present season frozen zone road bed frost heave treatment measure, provide one kind and can utilize solar energy compensation geothermal energy to stably carry the biggest deep layer that freezes of road bed with geothermal energy, thereby realize preventing and treating the monomer disconnect-type heating pipe that the district road bed frost heave prevents and control of road bed frost heave disease under the prerequisite of guaranteeing geothermal energy sufficient stable.
For solving the technical problem, the utility model discloses the technical scheme who adopts as follows: a monomer disconnect-type heating pipe of frozen area road bed frost heaving prevention and control, its key technology lies in: the device comprises a compressor arranged on the ground, a regulator connected with the compressor through a lead, a first pipe communicated with an outlet of the compressor and arranged on a roadbed deep frozen layer, and a second pipe communicated with an inlet of the compressor and arranged on a deep geothermal energy layer, wherein the outlet of the first pipe and the inlet of the second pipe are communicated through a drying filter and a capillary tube which are connected in series, and a first temperature sensor and a second temperature sensor which are respectively arranged on the roadbed deep frozen layer and the deep geothermal energy layer are connected with the regulator through leads;
the controller is connected with a solar controller through a wire, the solar controller is respectively connected with a solar cell panel, a storage battery and an inverter through wires, and the inverter is connected with a metal thermal compensation wire arranged in a deep geothermal energy layer through a wire.
Furthermore, the first pipe body and the second pipe body are copper pipes wound on the first inner supporting pipe and the second inner supporting pipe respectively.
Furthermore, the first inner supporting tube and the second inner supporting tube are both hollow long tubes made of PE materials and have certain wall thickness.
Furthermore, the outer sides of the copper pipes between the outlet of the compressor and the inlet of the first pipe body and between the outlet of the second pipe body and the inlet of the drying filter are wrapped with heat insulation cotton.
Further, the upper end of the second inner supporting tube is provided with a helical blade.
Further, be provided with the assembly jig on ground, the compressor, the modulator, the drier-filter reaches the capillary all installs on the assembly jig.
Further, a protective casing for accommodating the assembly rack therein is provided on the ground.
Furthermore, a plurality of heat dissipation holes are drilled in the side wall of the protective shell.
Furthermore, a solar mounting frame is arranged on the ground, and the solar cell panel, the solar controller, the storage battery and the inverter are all mounted on the solar mounting frame.
The control method of the monomer separated type heat supply pipe for preventing and controlling the roadbed frost heaving in the seasonal frozen region specifically comprises the following steps: the solar energy assembly frame is provided with a solar panel, a solar controller, a storage battery and an inverter, wherein the power input end of the solar controller is connected with the solar panel through a wire, the power output end of the solar controller is respectively connected with the storage battery and the inverter through wires, the assembly frame is provided with a compressor and a regulator, the power input end of the regulator is connected with the solar controller through a wire, the power output end of the regulator is connected with the power supply of the compressor through a wire, a first temperature sensor is arranged at the deep frozen layer of the roadbed, a second temperature sensor and a metal thermal compensation wire are arranged at the deep geothermal energy layer, the first temperature sensor and the second temperature sensor are respectively connected with the regulator through wires, and the metal thermal compensation wire is connected with the inverter through a wire;
the regulator can preset a high-low temperature threshold value, when the first temperature sensor monitors that the temperature in the roadbed is lower than the preset threshold value, the signal is fed back to the regulator, the regulator starts the compressor, the low-temperature low-pressure liquid refrigerant in the second pipe body is sucked into the compressor, the compressor mechanically acts on the refrigerant, the refrigerant is changed into high-temperature high-pressure gaseous refrigerant to enter the first pipe body after the heat energy quality is improved, the refrigerant entering the first pipe body is liquefied and released heat when meeting cold, the heat is transferred to the surrounding stratum, the refrigerant after the liquefied and released heat is filtered and dried by the drying filter to enter the capillary, the pressure is reduced after passing through the capillary, the temperature required by vaporization is reduced, the refrigerant absorbs heat and vaporizes after flowing into the second pipe body, and then the refrigerant is sucked by the compressor again to form a cycle, so that the heat of the deep geothermal energy layer is, when the temperature monitored by the first temperature sensor is higher than a preset threshold value, the regulator stops the compressor to control the temperature of the roadbed frozen deep layer within a reasonable range;
when the second temperature sensor monitors that the temperature is lower than a preset threshold value, the current generated by the solar panel flows into the metal thermal compensation wire after being regulated and controlled by the solar controller and inverted and boosted by the inverter, joule heat is generated and transmitted to surrounding strata, so that the solar energy is converted into heat energy to compensate the loss of geothermal energy, when the second temperature sensor monitors that the temperature is higher than the preset threshold value, the information is fed back to the regulator, the regulator controls the solar controller, the electric energy generated by the solar panel is stored in the storage battery, and when the illumination is insufficient, the electric energy in the storage battery can be used for heating the metal thermal compensation wire, so that the sufficient and stable geothermal energy is ensured to the maximum extent.
Compared with the prior art, the utility model, the technological progress who gains lies in: 1. the utility model discloses not only freeze the deep layer at the road bed and be provided with first temperature sensor, but also be provided with second temperature sensor and metal thermal compensation silk in deep geothermal energy layer, the temperature variation of deep geothermal energy layer is also monitored to the modulator when monitoring the deep layer temperature of road bed, when second temperature sensor monitors the temperature of deep geothermal energy layer not enough, the modulator control metal thermal compensation silk produces joule heat and supplyes geothermol power, has solved the not enough problem of geothermal energy supply speed;
2. the utility model utilizes solar energy to directly generate Joule heat in the deep geothermal energy layer, and the generated heat is dissipated to the surrounding stratum and just used for compensating the heat loss of the deep geothermal energy layer, so that no heat loss exists, and the function of utilizing solar energy to supplement geothermal energy is realized;
3. the utility model discloses set up storage battery device, when illumination is sufficient, the electric energy is stored to the battery, and when illumination is insufficient, the electric energy in the battery can supply the metal thermal compensation silk to generate heat, and furthest ensures that geothermal energy is sufficient stable.
Drawings
Figure 1 is a schematic view of the overall structure of the utility model,
figure 2 is a cross-sectional view of the second tubular body,
FIG. 3 is a schematic diagram of the heat exchange principle of the refrigerant cycle;
wherein: 1-roadbed frozen deep layer, 2-deep geothermal energy layer, 3-compressor, 301-compressor outlet, 302-compressor inlet, 4-dry filter, 5-capillary tube, 6-regulator, 7-assembly frame, 8-protective shell, 9-heat dissipation hole, 10-lead, 11-first temperature sensor, 12-thermal insulation cotton, 13-first inner support tube, 14-first tube, 15-second inner support tube, 16-helical blade, 17-second tube, 18-solar panel, 19-solar controller, 20-storage battery, 21-inverter, 22-solar mounting frame, 23-metal thermal compensation wire, 24-second temperature sensor and 25-refrigerant.
Wherein the process I: showing a low temperature gaseous refrigerant suction compressor within the second tube;
wherein the process II: the high-temperature and high-pressure gas compressed by the compressor is input into the first pipe body;
wherein the process III: the gas is changed into low-temperature gas after heat release through the first pipe body and is output;
wherein the working procedure IV: showing the removal of impurities and moisture after passing through a filter drier;
wherein the process V: the temperature required by vaporization is reduced after the pressure is reduced by throttling through the capillary tube, and the heat can be absorbed and vaporized after entering the second tube body.
Detailed Description
The present invention will be further described with reference to specific examples, which are provided for illustration and explanation, but are not intended to limit the present invention.
Embodiment is a monomer disconnect-type heating pipe of frozen area road bed frost heaving prevention and control
The embodiment discloses a monomer disconnect-type heating pipe of frozen district road bed frost heaving prevention and control, including fixed mounting 7 and the solar energy mounting bracket 22 on subaerial as shown in fig. 1, install compressor 3, drier-filter 4, capillary 5 and modulator 6 on the mounting bracket 7 respectively, install solar cell panel 18, solar controller 19, battery 20 and dc-to-ac converter 21 on the solar energy mounting bracket 22 respectively. In order to protect compressor 3, drier-filter 4 and capillary 5, the utility model discloses installed and held the protective housing 8 in it with assembly jig 7, and for the convenience of the thermal scattering and disappearing of compressor 3, it is equipped with a plurality of louvres 9 to bore on the 8 lateral walls of protective housing.
The utility model provides a deep layer 1 is frozen to the road bed takes place the stratum that freezes for receiving the influence of atmosphere low temperature environment along vertical direction soil in winter, and deep geothermal energy layer 2 can not receive the stratum that factors such as region, season influence basically for the below several meters stratum temperature of earth's surface, the utility model discloses utilize geothermal energy and solar energy to combine together to carry to the road bed to freeze the deep layer and prevent and control winter road bed frost heave. At first in order to realize deep geothermal energy layer 2 and freeze deep 1 heat transfer to the road base, the utility model discloses set up first body 14 and second body 17 in deep 1 and deep geothermal energy layer 2 are frozen to the road base respectively, and first body 14 and second body 17 are the copper pipe, and first body 14 entry is connected with compressor outlet 301, and second body 17 export is connected with compressor inlet 302, and the circulation circuit is connected to the dry filter 4 and the capillary 5 that are in the same place through establishing ties in first body 14's export and second body 17's entry. In order to solve probably because the heat transfer leads to the not enough condition of geothermal energy too fast in the deep geothermal energy layer 2, the utility model discloses set up metal thermal compensation silk 23 in deep geothermal energy layer 2 to set up solar control ware 19 at the ground installation, solar control ware 19 is connected with solar cell panel 18, battery 20 and dc-to-ac converter 21 respectively through the wire, and dc-to-ac converter 21 passes through the wire and connects metal thermal compensation silk 23.
The utility model discloses deep 1 and deep geothermal energy layer 2 are provided with first temperature sensor 11 and second temperature sensor 24 respectively freezing at the road bed, first temperature sensor 11 and second temperature sensor 24 all are connected to the modulator 6 on the assembly jig 7 through the wire, modulator 6 still is connected with solar controller 19 through the wire, height threshold value can be predetermine to modulator 6, the work or the stop that compressor 3 was controlled to 11 feedback temperatures of first temperature sensor are collected to modulator 6, the work or the stop of metal thermal compensation silk 23 is controlled to the temperature that 24 feedbacks of second temperature sensor are collected to modulator 6.
The utility model discloses a prevent that first body 14 and second body 17 from receiving the pressure production of soil to warp, have set up respectively and have supported pipe 15 in first interior stay tube 13 and the second to with first body 14 and second body 17 respectively coil on first interior stay tube 13 and second interior stay tube 15, for the structural stability who further improves second interior stay tube 15, helical blade is installed to the upper end of stay tube 15 in the second. The utility model discloses a reduce the calorific loss to the atmosphere, copper outside parcel between the export of compressor export 301 and first body 14 and the export of second body 17 and the entry of drier-filter 4 has heat preservation cotton 12.
The control method of the monomer separated type heat supply pipe for preventing and controlling the frost heaving of the roadbed in the freezing area in the season is specifically designed to be that a regulator 6 is installed on an assembly frame 7, the regulator 6 is respectively connected with a solar controller 19 through a wire, a first temperature sensor 11 arranged in the roadbed freezing deep layer 1 and a second temperature sensor 24 arranged in the deep geothermal energy layer 2, the regulator 6 can preset a high-low threshold value, when the temperature in the roadbed is monitored by the first temperature sensor 11 to be lower than a preset threshold value, the signal is fed back to the regulator 6, the regulator 6 controls the start of the compressor 3, and when the temperature monitored by the first temperature sensor 11 is higher than the preset threshold value, the regulator 6 stops the compressor 3. Meanwhile, when the second temperature sensor 24 monitors that the temperature is lower than the preset threshold value, the regulator controls the current generated by the solar cell panel 18, the current is regulated and controlled by the solar controller 19 and is inverted and boosted by the inverter 21, and then flows into the metal heat compensation wire 23 to generate joule heat, when the second temperature sensor 24 monitors that the temperature is higher than the preset threshold value, the information is fed back to the regulator 6, the regulator 6 controls the solar controller 19, and the electric energy generated by the solar cell panel 18 is stored in the storage battery 20. When the second temperature sensor 24 detects that the temperature is lower than the preset threshold and the illumination is insufficient, the regulator 6 controls the power in the storage battery 20 to be supplied to the metal thermal compensation wire 23.
The utility model discloses the working process is as follows:
firstly, presetting the high and low threshold values of the first temperature sensor 11 and the second temperature sensor 24 to the regulator 6, when the temperature difference exists between the roadbed and the atmosphere in winter, the heat loss occurs on the roadbed, the temperature is continuously reduced, when the first temperature sensor 11 arranged in the roadbed deep freezing layer 1 monitors that the temperature in the roadbed is lower than the preset threshold value, feeding the signal back to the regulator 6, the regulator 6 controls the compressor 3 to start,
the low-temperature low-pressure liquid refrigerant 25 in the second tube body 17 is sucked into the compressor 3, the refrigerant 25 is subjected to mechanical work by the compressor 3, the refrigerant 25 which is improved in heat energy quality is changed into high-temperature high-pressure gaseous refrigerant 25, the high-temperature high-pressure gaseous refrigerant 25 enters the first tube body 14, the refrigerant 25 which enters the first tube body is liquefied and released heat when meeting cold, the heat is transferred to the surrounding stratum, the refrigerant 25 which is liquefied and released heat is filtered and dried by the drying filter 4 and enters the capillary tube 5, the refrigerant 25 passes through the capillary tube 5, the pressure is reduced, the temperature required by vaporization is reduced, the refrigerant is changed into a gas-liquid coexisting state, then the refrigerant flows into the second tube body 17 to absorb heat and vaporize, and then the refrigerant is sucked by the compressor 3 again to form a cycle, so that the heat of the deep geothermal energy layer 2 is continuously conveyed into the roadbed frozen roadbed 1, and, thereby controlling the temperature of the roadbed frozen deep layer 1 within a reasonable range.
Meanwhile, when the temperature detected by the second temperature sensor 24 is lower than the preset threshold, the regulator controls the current generated by the solar panel 18, the current is regulated and controlled by the solar controller 19, inverted and boosted by the inverter 21, and then flows into the metal thermal compensation wire 23 to generate joule heat which is transferred to the surrounding stratum, so that the solar energy is converted into heat energy to compensate the loss of geothermal energy. When the second temperature sensor 24 detects that the temperature is higher than the preset threshold value, the information is fed back to the controller 6, the controller 6 controls the solar controller 19, and the electric energy generated by the solar panel 18 is stored in the storage battery 20. When the second temperature sensor 24 detects that the temperature is lower than the preset threshold and the illumination is insufficient, the regulator 6 controls the electric energy in the storage battery 20 to supply the metal thermal compensation wire 23 to generate heat, so that the geothermal energy can be supplied to the roadbed stably to the maximum extent.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (9)
1. The utility model provides a monomer disconnect-type heating pipe of frozen district road bed frost heaving prevention and control which characterized in that: the device comprises a compressor (3) arranged on the ground, a regulator (6) connected with the compressor (3) through a wire, a first pipe body (14) communicated with an outlet (301) of the compressor and arranged on a roadbed freezing deep layer (1), and a second pipe body (17) communicated with an inlet (302) of the compressor and arranged on a deep geothermal energy layer (2), wherein an outlet of the first pipe body (14) and an inlet of the second pipe body (17) are connected through a drying filter (4) and a capillary (5) which are connected in series, and a first temperature sensor (11) and a second temperature sensor (24) which are respectively arranged on the roadbed freezing deep layer (1) and the deep geothermal energy layer (2) are connected through wires and the regulator (6);
the solar energy controller (19) is connected to the regulator (6) through a lead, the solar energy controller (19) is respectively connected with a solar cell panel (18), a storage battery (20) and an inverter (21) through leads, and the inverter (21) is connected with a metal thermal compensation wire (23) arranged in the deep geothermal energy layer (2) through a lead.
2. The isolated heating pipe of claim 1, wherein the isolated heating pipe comprises: the first pipe body (14) and the second pipe body (17) are copper pipes which are coiled on the first inner supporting pipe (13) and the second inner supporting pipe (15) respectively.
3. The isolated heating pipe of claim 2, wherein the isolated heating pipe comprises: the first inner supporting tube (13) and the second inner supporting tube (15) are both hollow long tubes made of PE materials and have certain wall thickness.
4. The isolated heating pipe of claim 1, wherein the isolated heating pipe comprises: and heat insulation cotton (12) is wrapped outside copper pipes between the outlet (301) of the compressor and the inlet of the first pipe body (14) and between the outlet of the second pipe body (17) and the inlet of the drying filter (4).
5. The isolated heating pipe of claim 2, wherein the isolated heating pipe comprises: the upper end of the second inner supporting pipe (15) is provided with a helical blade (16).
6. The isolated heating pipe of claim 1, wherein the isolated heating pipe comprises: still include in assembly jig (7) that subaerial set up, compressor (3) regulator (6) drier-filter (4) and capillary (5) are all installed on assembly jig (7).
7. The isolated heating pipe of claim 6, wherein the isolated heating pipe comprises: and the protective shell (8) is arranged on the ground and used for accommodating the mounting bracket (7).
8. The isolated heating pipe of claim 7, wherein the isolated heating pipe comprises: a plurality of heat dissipation holes (9) are drilled in the side wall of the protective shell (8).
9. The isolated heating pipe of claim 1, wherein the isolated heating pipe comprises: still include in solar energy mounting bracket (22) that ground set up, solar cell panel (18), solar controller (19), battery (20) and inverter (21) all install on solar energy mounting bracket (22).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921371885.0U CN210624682U (en) | 2019-08-22 | 2019-08-22 | Monomer disconnect-type heating pipe of frozen district road bed frost heaving prevention and control |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921371885.0U CN210624682U (en) | 2019-08-22 | 2019-08-22 | Monomer disconnect-type heating pipe of frozen district road bed frost heaving prevention and control |
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| CN210624682U true CN210624682U (en) | 2020-05-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923579A (en) * | 2021-03-25 | 2021-06-08 | 中国科学院西北生态环境资源研究院 | Lying type anti-freezing expansion heat-collecting device and roadbed thereof |
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2019
- 2019-08-22 CN CN201921371885.0U patent/CN210624682U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923579A (en) * | 2021-03-25 | 2021-06-08 | 中国科学院西北生态环境资源研究院 | Lying type anti-freezing expansion heat-collecting device and roadbed thereof |
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