CN100425770C - Installation of cooling and melting ice and snow for road surface and bridge road by using underground natural energy resource - Google Patents
Installation of cooling and melting ice and snow for road surface and bridge road by using underground natural energy resource Download PDFInfo
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- CN100425770C CN100425770C CNB2006101510045A CN200610151004A CN100425770C CN 100425770 C CN100425770 C CN 100425770C CN B2006101510045 A CNB2006101510045 A CN B2006101510045A CN 200610151004 A CN200610151004 A CN 200610151004A CN 100425770 C CN100425770 C CN 100425770C
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Abstract
The present invention relates to a road bridge surface cooling and snow-melting equipment by utilizing underground natural energy source. It is characterized by that said equipment includes a first circulation pump, its two ends are respectively connected with condenser and one end of first valve, two ends of shallow layer heat-exchanger are respectively connected with one end of first valve, one end of second valve and one end of fourth valve, two ends of said condenser are respectively connected with one end of first valve and one end of second valve, two ends of evaporator are respectively connected with one end of fifth valve and one end of sixth valve, two ends of deep layer heat-exchanger are respectively connected with one end of seventh valve, one end of sixth valve and one end of fourth valve and two ends of second circulation pump are respectively connected with one end of seventh valve, one end of fifth valve and one end of third valve.
Description
Technical field
The present invention relates to road and bridge cooling and ice-melt snow device.
Background technology
At present, the mode of road in winter (bridge) face snow removing is as follows: chemical snow melt: 1, this mode makes the salt solution that is melted into be penetrated into steel concrete inside, structure is caused heavy corrosion, accelerated destruction, for the safety problem of building has been brought huge hidden danger building; 2, during snow melt, the needed heat of snow melt frequently expands with heat and contract with cold bridge floor mainly from bridge floor, causes bridge deck concrete to peel off, and destroys bridge floor; 3, snow melt salt solution can pollute environment, has brought very big influence for the ecosystem such as plant, has destroyed people's living environment; 4, snow melt salt solution flows into sewer, also can bring very big corrosion to other infrastructure; 5, after snow-broth was dipped on the automobile, equipment such as meeting heavy corrosion automobile chassis brought potential danger to people.The heating power snow melt: present heating power snow melt has following dual mode: (1) directly utilizes high potential heat hot water such as fuel oil, combustion gas or electricity to splash to the road surface or facility such as pipe laying or cable in bridge, reach the purpose of snow melt: in today of energy critical shortage, this snow melt mode is not suitable for the national conditions of China, and is limited in the use potentiality of China.(2) heat pipe snow melt: at first, system will keep the good circulation of system, and the pipe laying caliber should be tried one's best big or very big underground buried depth is arranged, and has increased initial cost.Secondly, pipe laying must have enough big gradient to guarantee that condensed fluid flows back to evaporation ends under the action of gravity of self in the bridge floor.Once more, if pipeline is not enough cleanings, perhaps the gradient of pipeline is not enough, may form ice around pipe, needs a large amount of financial resources of cost and material resources to go to repair.At last, the fluid in the pipe can not reverse flow, can not reach the effect of heat utilization in summer, and after the operation, effect may weaken all the year round.Snow removal with machine: this snow removing mode can not solve ground because the road surface adhesive ability that snow residuum causes is poor, problems such as vehicle reliability difference, and the efficient that therefore removes the snow is not high.In addition, this snow removing mode not only has the bridge floor of satisfying the need and causes certain infringement, and expense is big, and machinery costs an arm and a leg, and its maintenance cost is high.Summer, the cooling of road, bridge floor only depended on watering, waste resource, and the weak point of holding time.
Summary of the invention
The present invention for solve that existing road, bridge floor deicing method exist 1, make the salt solution that is melted into be penetrated into steel concrete inside, structure is caused heavy corrosion, accelerated destruction, for the safety problem of building has been brought huge hidden danger to building; 2, investment is big, and power consumption is big; 3, this snow removing mode not only has the bridge floor of satisfying the need and causes certain infringement, and expense is big, machinery costs an arm and a leg, its maintenance cost height: summer, the cooling of road, bridge floor only depended on watering, the waste resource, and the short problem of holding time, a kind of road and bridge cooling and ice-melt snow device that utilizes underground natural energy resource is provided, the concrete technical scheme that addresses the above problem is as follows:
The present invention comprises compressor 1, condenser 2, expansion valve 3, evaporimeter 4 and circulation pump 5, and it also includes deep layer heat exchanger 6, shallow-layer heat exchanger 7, the first by-pass valve control 8-1, the second by-pass valve control 8-2, the 3rd by-pass valve control 8-3, the 4th by-pass valve control 8-4, the 5th by-pass valve control 8-5, the 6th by-pass valve control 8-6, the 7th by-pass valve control 8-7.The input of the first circulation pump 5-1 is connected with first output of the tube side of condenser 2, the output of the first circulation pump 5-1 is connected with the input of the first by-pass valve control 8-1, the output of the first by-pass valve control 8-1 is connected with the input of shallow-layer heat exchanger 7 and the end of the 3rd by-pass valve control 8-3 respectively, the output of shallow-layer heat exchanger 7 is connected with the end of the 4th by-pass valve control 8-4 with the second by-pass valve control 8-2, the other end of the second by-pass valve control 8-2 is connected with the first input end of condenser 2 tube sides, the other end of the 4th by-pass valve control 8-4 is connected with the end of the 6th by-pass valve control 8-6 and the output of deep layer heat exchanger 6, the other end of the 6th by-pass valve control 8-6 is connected with the first input end of evaporimeter 4 tube sides, first output of evaporimeter 4 tube sides is connected with the end of the 5th by-pass valve control 8-5, the other end of the 5th by-pass valve control 8-5 is connected with the other end of the 3rd by-pass valve control 8-3 and the input of the second circulation pump 5-2 respectively, the output of the second circulation pump 5-2 is connected with the end of the 7th by-pass valve control 8-7, and the other end of the 7th by-pass valve control 8-7 is connected with the input of deep layer heat exchanger 6; The output of compressor 1 links to each other with second input of condenser 2 shell sides, and an end of expansion valve 3 links to each other with second input of evaporimeter 4 shell sides, and the other end of expansion valve 3 links to each other with second output of condenser 2 shell sides.
The present invention adopts and utilizes soil source heat pump to the bridge floor heat supply, reaches the purpose of snow melt, can reduce the application of Snow Agent, minimizing is to the corrosion of bridge and other infrastructure and vehicle, prolong the service life of infrastructure and vehicle, reduce pollution, maintaining ecological balance environment.Soil source heat pump is that using of a kind of economical and energy saving can mode.Soil source heat pump has higher Energy Efficiency Ratio (EER), produces the heat of the power consumption more than 3 times during heat supply.Advantages such as soil source heat pump also has low noise, and floor space is little, does not discharge pollutants, and groundwater abstraction not, operation and maintenance cost be with cheap, and the equipment life cycle is long.During summer, stop the source pump operation, directly utilize underground natural energy resource cooling road (bridge) face, reach the temperature that reduces ground (bridge) face, play the purpose of thermal-arrest, can balance snow melt in winter energy.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
In conjunction with Fig. 1 present embodiment is described.Present embodiment is made up of compressor 1, condenser 2, expansion valve 3, evaporimeter 4, circulation pump 5, deep layer heat exchanger 6, shallow-layer heat exchanger 7, the first by-pass valve control 8-1, the second by-pass valve control 8-2, the 3rd by-pass valve control 8-3, the 4th by-pass valve control 8-4, the 5th by-pass valve control 8-5, the 6th by-pass valve control 8-6 and the 7th by-pass valve control 8-7.The input of the first circulation pump 5-1 is connected with first output of condenser 2 tube sides, the output of the first circulation pump 5-1 is connected with the input of the first by-pass valve control 8-1, the output of the first by-pass valve control 8-1 is connected with the input of shallow-layer heat exchanger 7 and the end of the 3rd by-pass valve control 8-3 respectively, the output of shallow-layer heat exchanger 7 is connected with the end of the 4th by-pass valve control 8-4 with the second by-pass valve control 8-2, the other end of the second by-pass valve control 8-2 is connected with the first input end of condenser 2 tube sides, the other end of the 4th by-pass valve control 8-4 is connected with the end of the 6th by-pass valve control 8-6 and the output of deep layer heat exchanger 6, the other end of the 6th by-pass valve control 8-6 is connected with the first input end of evaporimeter 4 tube sides, first output of evaporimeter 4 tube sides is connected with the end of the 5th by-pass valve control 8-5, the other end of the 5th by-pass valve control 8-5 is connected with the other end of the 3rd by-pass valve control 8-3 and the input of the second circulation pump 5-2 respectively, the output of the second circulation pump 5-2 is connected with the end of the 7th by-pass valve control 8-7, and the other end of the 7th by-pass valve control 8-7 is connected with the input of deep layer heat exchanger 6.Adopt ethylene glycol solution in the pipeline.The input of the compressor 1 of present embodiment links to each other with second output of evaporimeter 4 shell sides, the output of compressor 1 links to each other with second input of condenser 2 shell sides, one end of expansion valve 3 links to each other with second input of evaporimeter 4 shell sides, and the other end of expansion valve 3 links to each other with second output of condenser 2 shell sides.
Deep layer heat exchanger 6 and shallow-layer heat exchanger 7 all adopt high density polyethylene pipe or steel pipe, burying underground of road (bridge) shallow-layer heat exchanger 7 tube pitch is controlled between 150mm～300mm, shallow-layer heat exchanger 7 depth of buryings are (bridge) face 50mm～80mm place apart from ground, specifically should be according to road (bridge) load that face bears, the heating fluid temperature (F.T.) in tubing and the pipe laying and deciding.Underground getting can be loaded by Guan Youqiao (road) face, is that 50～100W/m calculates according to per unit drilling depth heat exchange amount.Drilling depth is controlled at 40～100m, should not be dark excessively, otherwise cost is very high.
The applicant is 50m to Beijing one ground head of district, has widely carried out analog computation for the road of 6m (bridge) face.Wherein, the shallow-layer heat exchanger of burying underground in the face of road (bridge) 7 is high density polyethylene pipe, the inner diameter d of pipe
1=21.25mm, outside diameter d
2=26.75mm, length is 5.5m, and tube pitch is 200mm, and shallow-layer heat exchanger 7 depth of buryings are 80mm.Deep layer heat exchanger 6 is for vertically burying underground, and the depth of burying is 80m, and deep layer heat exchanger 6 adopts high density polyethylene pipe, and the external diameter of pipe is 33.5mm, and internal diameter is 27mm.Selecting heating capacity is the source pump of 140KW left and right sides power, and to remove ice and snow respond well in heating to bridge floor.
The operating principle of this device:
The operational mode of this device of snow melt in winter:
With the 3rd by-pass valve control 8-3, the 4th by-pass valve control 8-4 closes, the first by-pass valve control 8-1, the second by-pass valve control 8-2, the 5th by-pass valve control 8-5, the 6th by-pass valve control 8-6, the 7th by-pass valve control 8-7 opens, deep layer heat exchanger 6 is that the heat energy of 10 ℃ (areas of Shenyang) is sent into heat pump circulating system through the 6th by-pass valve control 8-6 with the subsurface temperature that obtains, through the first by-pass valve control 8-1 ethylene glycol solution that heats up is inputed to the shallow-layer heat exchanger 7 that is embedded under the face of road (bridge) by the first circulation pump 5-1 then, shallow-layer heat exchanger 7 melts the road to road surface heat radiation (surface temperature is more than 0 ℃), the ice and snow of bridge floor.
Cool off the operational mode of this device summer:
With the first by-pass valve control 8-1, the second by-pass valve control 8-2, the 5th by-pass valve control 8-5, the 6th by-pass valve control 8-6 closes, the 3rd by-pass valve control 8-3, the 4th by-pass valve control 8-4 and the 7th by-pass valve control 8-7 open, the cryogenic fluid that obtains from deep layer heat exchanger 6 enters shallow-layer heat exchanger 7 through the 4th by-pass valve control 8-4, shallow-layer heat exchanger 7 absorbs the high temperature on about 40 ℃ on ground, circulate the ethylene glycol solution of heat absorption being returned deep layer heat exchanger 6 through the other end of the 3rd by-pass valve control 8-3 through the second circulation pump 5-2, reach the road in summer by the other end of shallow-layer heat exchanger 7, the purpose of bridge floor or ground cooling.
Claims (1)
1, utilize the road and bridge face cooling and the ice-melt snow device of underground natural energy resource, it comprises compressor (1), condenser (2), expansion valve (3), evaporimeter (4) and circulation pump (5), it is characterized in that it also includes deep layer heat exchanger (6), shallow-layer heat exchanger (7), first by-pass valve control (8-1), second by-pass valve control (8-2), the 3rd by-pass valve control (8-3), the 4th by-pass valve control (8-4), the 5th by-pass valve control (8-5), the 6th by-pass valve control (8-6), the 7th by-pass valve control (8-7), the input of first circulation pump (5-1) is connected with first output of condenser (2) tube side, the output of first circulation pump (5-1) is connected with the input of first by-pass valve control (8-1), the output of first by-pass valve control (8-1) is connected with the input of shallow-layer heat exchanger (7) and an end of the 3rd by-pass valve control (8-3) respectively, the output of shallow-layer heat exchanger (7) is connected with the end of second by-pass valve control (8-2) with the 4th by-pass valve control (8-4), the other end of second by-pass valve control (8-2) is connected with the first input end of condenser (2) tube side, the other end of the 4th by-pass valve control (8-4) is connected with an end of the 6th by-pass valve control (8-6) and the output of deep layer heat exchanger (6), the other end of the 6th by-pass valve control (8-6) is connected with the first input end of evaporimeter (4) tube side, first output of evaporimeter (4) tube side is connected with an end of the 5th by-pass valve control (8-5), the other end of the 5th by-pass valve control (8-5) is connected with the other end of the 3rd by-pass valve control (8-3) and the input of second circulation pump (5-2) respectively, the output of second circulation pump (5-2) is connected with an end of the 7th by-pass valve control (8-7), and the other end of the 7th by-pass valve control (8-7) is connected with the input of deep layer heat exchanger (6); The input of compressor (1) links to each other with second output of evaporimeter (4) shell side, the output of compressor (1) links to each other with second input of condenser (2) shell side, one end of expansion valve (3) links to each other with second input of evaporimeter (4) shell side, and the other end of expansion valve (3) links to each other with second output of condenser (2) shell side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101510045A CN100425770C (en) | 2006-11-10 | 2006-11-10 | Installation of cooling and melting ice and snow for road surface and bridge road by using underground natural energy resource |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101510045A CN100425770C (en) | 2006-11-10 | 2006-11-10 | Installation of cooling and melting ice and snow for road surface and bridge road by using underground natural energy resource |
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| Publication Number | Publication Date |
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| CN1958958A CN1958958A (en) | 2007-05-09 |
| CN100425770C true CN100425770C (en) | 2008-10-15 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322012A (en) * | 2011-07-01 | 2012-01-18 | 李永清 | Automatic snow-melting and deicing road |
| CN103422424B (en) * | 2013-06-27 | 2016-02-24 | 长沙理工大学 | Bridge-wire fusing time section bridge anti-freezing system |
| CN108086238B (en) * | 2017-12-31 | 2019-06-14 | 盐池县惠泽农机作业有限公司 | It is a kind of to clear the snow the snow-broth spray head of deicing vehicle towards hot wind quick freezing type |
| CN108914869A (en) * | 2018-07-02 | 2018-11-30 | 湖北工业大学 | A kind of deicing or snow melting system and method based on road and bridge underground water |
| CN111798144B (en) * | 2020-07-08 | 2023-12-05 | 大连海事大学 | Body-based energy pile bridge surface deicing system evaluation method |
| CN112411311A (en) * | 2020-11-09 | 2021-02-26 | 国家电网有限公司 | Hydropower station pavement snow melting system |
| CN114525709B (en) * | 2022-02-24 | 2024-05-17 | 湖南工程学院 | Device for road surface solar heat collection and energy storage and geothermal energy snow melting |
| CN114606825B (en) * | 2022-03-09 | 2023-11-03 | 重庆市地质矿产勘查开发局南江水文地质工程地质队 | Road ice and snow melting system and method for ground source heat pump of buried pipe |
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Patent Citations (7)
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| JP2000226823A (en) * | 1999-02-04 | 2000-08-15 | Ishikawajima Harima Heavy Ind Co Ltd | Road snowmelt system |
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| CN1958958A (en) | 2007-05-09 |
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Granted publication date: 20081015 Termination date: 20111110 |