CN101956359B - Road snow melting system with combination of solar energy and heat energy of soil source - Google Patents
Road snow melting system with combination of solar energy and heat energy of soil source Download PDFInfo
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- CN101956359B CN101956359B CN201010299695XA CN201010299695A CN101956359B CN 101956359 B CN101956359 B CN 101956359B CN 201010299695X A CN201010299695X A CN 201010299695XA CN 201010299695 A CN201010299695 A CN 201010299695A CN 101956359 B CN101956359 B CN 101956359B
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Abstract
The invention discloses a road snow melting system with the combination of solar energy and heat energy of a soil source and relates to the road snow melting system. The road snow melting system is designed against the problems that the removal method in the ice and snow removing technology has large investment and can not carry out real-time synchronous snow removal, the chemical melting method is easy to cause serious corrosion of the structure and pollution of water resources, and the electric heating method has great energy consumption and low energy utilization rate. A group of soil heat exchange tubes are connected in parallel, a group of pavement heat exchange tubes are connected in parallel, each soil heat exchange tube is communicated with a first water collector, the first water collectors are communicated with a plate heat exchanger, the plate heat exchanger is communicated with a heat pump unit, the heat pump unit is communicated with a first water segregator, the first water segregator is communicated with each soil heat exchange tube, each pavement heat exchange tube is communicated with a second water collector, the second water collectors are communicated with the heat pump unit, the heat pump unit is communicated with a second water segregator, the second water segregator is communicated with each pavement heat exchange tube, a circulating medium is arranged in the system, and the circulating medium is anti-freezing fluid. The road snow melting system is used for road snow melting.
Description
Technical field
The present invention relates to a kind of road snow-melting system.
Background technology
Winter; Road accumulated snow very easily forms thin ice under variations in temperature and vehicular load effect, influence traffic safety; Correlation study shows; The icing traffic accident that causes of road accumulated snow accounts for 35% of China's traffic accident in winter total amount, and therefore, the technology of scientific and reasonable removing road ice and snow day by day becomes an urgent demand of road worker and road user.
At present, the deicing technology mainly is divided into removing method and thawing method both at home and abroad.The removing method is divided into two types of artificial snow removing and snow removals with machine.Artificial snow removing inefficiency, costly, only be applicable to the Snowremoval in slight snow and heavy difficult point highway section; Snow removal with machine is suitable for large tracts of land mechanization and removes operation, in case after icy on road, thoroughly removing is just comparatively difficult, snow removing machinery device fabrication costs such as deicing shovel are high, and power consumption is very big, and receives seasonal effect to cause utilization rate low greatly.The removing method is often all accomplished behind snow, impedes traffic in the operation, often causes interruption of communication, influences the current and traffic safety of traffic, and because of it has the big shortcoming of labour intensity, so be difficult for promoting.
The thawing method comprises chemical thawing method and hot thawing method.Chemistry melts to remove changes the main chemical Snow Agent of relying on; But Applicable temperature narrow range (environment temperature is higher than-3.9 ℃), and the salt solution that is melted into is penetrated into steel concrete inside; Structure is caused heavy corrosion; Accelerated the destruction of structure, reduced service life, for the safety problem of works has been brought huge hidden danger.In addition, Snow Agent and salt solution also can cause serious water resource pollution.Hot thawing method is divided into thermal fluid circulation method, heat pipe heating and electrical heating method.The heat pipe heating will keep the good circulation of system, and the pipe laying caliber should be tried one's best big or required underground buried depth darker, and this has just increased initial cost; Secondly, the bridge floor pipe laying in the snow-melting system must have enough big gradient to guarantee that condensed fluid flows back to evaporimeter under the action of gravity of self.This has increased the initial cost in the bridge floor again to a certain extent.In addition, if pipeline is not enough cleanings, perhaps the gradient of pipeline is not enough, possibly around pipe, form ice, influences the use of system; The direct consumes electric power of electrical heating method, energy consumption is big, and the energy utilization rate limit is 1: 1, and utilization rate is low.
Summary of the invention
The present invention for solve in the present deicing technology investment of removing method big and can not be in real time snow removing, chemical thawing method are prone to cause structure heavy corrosion and water resource pollution, electrical heating method to consume energy greatly and the low problem of energy utilization rate the road snow-melting system that provides a kind of solar energy to combine with soil source heat energy synchronously.
The present invention solves the problems of the technologies described above the technical scheme of taking: said system comprises many soil heat exchange pipes, many road surface heat exchanger tubes, first water collector, second water collector, plate exchanger, source pump, first water knockout drum, second water knockout drum, first water pump, second water pump and the 3rd water pumps; Many soil heat exchange pipe parallel connections are provided with; Many road surface heat exchanger tube parallel connections are provided with; One end of every soil heat exchange pipe is the port of export, and the other end of every soil heat exchange pipe is an entrance point, and the port of export of every soil heat exchange pipe is communicated with the entrance point of first water collector; The port of export of first water collector is communicated with the cold junction inlet of plate exchanger through second water pump; The hot junction outlet of plate exchanger is communicated with the hot junction inlet of source pump, and the cold side outlet of source pump is communicated with the arrival end of first water knockout drum, and the port of export of first water knockout drum is communicated with the arrival end of every soil heat exchange pipe; One end of every road surface heat exchanger tube is the port of export; The other end of every road surface heat exchanger tube is an entrance point, and the port of export of every road surface heat exchanger tube is communicated with the entrance point of second water collector, and the port of export of second water collector is communicated with the cold junction inlet of source pump through first water pump; The hot junction outlet of source pump is communicated with the arrival end of second water knockout drum; The port of export of second water knockout drum is communicated with the arrival end of every road surface heat exchanger tube, is provided with circulatory mediator in the said system, and circulatory mediator is an anti-icing fluid.
The present invention has following beneficial effect: the present invention utilizes soil source heat energy and solar energy through source pump its heat energy to be promoted to road surface bridge floor heat supply, reaches the purpose of real-time snow melt.Can reduce the application of Snow Agent, reduce corrosion, prolong the service life of infrastructure, reduce pollution, maintaining ecological balance environment to works.Utilizing soil source heat energy and solar energy is a kind of usefulness ability mode of economic environmental protection and energy saving, utilizes source pump can realize 1: 4 above energy conversion efficiency.
Description of drawings
Fig. 1 is an overall structure sketch map of the present invention.
The specific embodiment
The specific embodiment one: combine Fig. 1 that this embodiment is described; The said system of this embodiment comprises many soil heat exchange pipes 1, many road surface heat exchanger tubes 2, first water collector 3, second water collector 4, plate exchanger 5, source pump 6, first water knockout drum 7, second water knockout drum 8, first water pump 13, second water pump 14 and the 3rd water pump 15; Many soil heat exchange pipe 1 parallel connections are provided with, and many road surface heat exchanger tube 2 parallel connections are provided with, and an end of every soil heat exchange pipe 1 is the port of export; The other end of every soil heat exchange pipe 1 is an entrance point; The port of export of every soil heat exchange pipe 1 is communicated with the entrance point of first water collector 3, and the port of export of first water collector 3 is communicated with the cold junction inlet of plate exchanger 5 through second water pump 14, and the hot junction outlet of plate exchanger 5 is communicated with the hot junction inlet of source pump 6; The cold side outlet of source pump 6 is communicated with the arrival end of first water knockout drum 7; The port of export of first water knockout drum 7 is communicated with the arrival end of every soil heat exchange pipe 1, and an end of every road surface heat exchanger tube 2 is the port of export, and the other end of every road surface heat exchanger tube 2 is an entrance point; The port of export of every road surface heat exchanger tube 2 is communicated with the entrance point of second water collector 4; The port of export of second water collector 4 is communicated with the cold junction inlet of source pump 6 through first water pump 13, and the hot junction outlet of source pump 6 is communicated with the arrival end of second water knockout drum 8, and the port of export of second water knockout drum 8 is communicated with the arrival end of every road surface heat exchanger tube 2; Be provided with circulatory mediator in the said system, circulatory mediator is an anti-icing fluid.
The specific embodiment two: combine Fig. 1 that this embodiment is described, the anti-icing fluid of this embodiment is that volumetric concentration is the glycol water of 25-40%.The advantage of using this solution is that freezing point is low, and winter is not-easy-to-freeze.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: combine Fig. 1 that this embodiment is described, the anti-icing fluid of this embodiment is that volumetric concentration is 35% glycol water.The advantage of using this solution is that freezing point is low, and winter is not-easy-to-freeze.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment four: combine Fig. 1 that this embodiment is described; The system of this embodiment also comprises solar energy collector 9 and hot water storage tank 10; The cold side outlet of plate exchanger 5 is communicated with the import of solar energy collector 9; The outlet of solar energy collector 9 is communicated with the inlet of water storage box 10, and the outlet of water storage box 10 is communicated with the hot junction inlet of plate exchanger 5 through the 3rd water pump 15.The hot water that solar energy collector 9 makes carries out heat exchange with the circulatory mediator that goes out soil heat exchanger tube 1 in plate exchanger 5, with the temperature of raising circulatory mediator, thereby reach the saving energy consumption, improves the purpose of the heating efficiency of source pump 1; This structure utilizes solar energy and soil source heat energy to combine to road surface bridge floor heat supply; Reach the purpose of real-time snow melt; Wherein solar energy is the main source of human energy; Be a kind of pollution-free, contain abundant natural energy resource, solar energy as auxiliary thermal source, is cooperated soil source heat energy effectively to utilize to reach the good result of not only energy-conservation but also environmental protection.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment five: combine Fig. 1 that this embodiment is described, the system of this embodiment comprises that also first expansion tank, 11, the first water collectors 3 are communicated with first expansion tank 11.The effect of first expansion tank 11 is to be used to guarantee that the systemic circulation medium is full of the volume expansion amount of operation of pipeline continous-stable and adjusting circulatory mediator.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment six: combine Fig. 1 that this embodiment is described, the system of this embodiment comprises that also second expansion tank, 12, the second water collectors 4 are communicated with second expansion tank 12.The effect of second expansion tank 12 is to be used to guarantee that the systemic circulation medium is full of the volume expansion amount of operation of pipeline continous-stable and adjusting circulatory mediator.Other composition and annexation are identical with the specific embodiment one.
Operating principle: when system moves; Circulatory mediator in one group of soil heat exchange pipe 1 is after first water collector 4 compiles; The heat energy that absorbs conversion of solar energy through plate exchanger 5 gets into source pump 6; The release heat cooling is after second water knockout drum 8 returns soil heat exchange pipe 1 again, and soil heat exchange pipe 1 and soil heat-shift form circulation; The low temperature heat energy that source pump 1 will be taken out from soil and the heat energy of conversion of solar energy do work to promote and are the acting of the circulatory mediator in the high temperature heat road pavement heat exchanger tube 2 heating; Reach design temperature in the temperature rising and carry out snow melt after first water pump 13 flows to road surface heat exchanger tube 2, the ethylene glycol solution after the snow melt cooling returns source pump 1 circulation heating under the effect of first water pump 13.
Claims (5)
1. road snow-melting system that solar energy combines with soil source heat energy; Said system comprises many soil heat exchange pipes (1), many road surface heat exchanger tubes (2), first water collector (3), second water collector (4), plate exchanger (5), source pump (6), first water knockout drum (7), second water knockout drum (8), first water pump (13), second water pump (14) and the 3rd water pump (15); It is characterized in that said system also comprises solar energy collector (9) and hot water storage tank (10); Many soil heat exchange pipes (1) parallel connection is provided with; Many road surface heat exchanger tubes (2) parallel connection is provided with, and an end of every soil heat exchange pipe (1) is the port of export, and the other end of every soil heat exchange pipe (1) is an entrance point; The port of export of every soil heat exchange pipe (1) is communicated with the entrance point of first water collector (3); The port of export of first water collector (3) is communicated with the cold junction inlet of plate exchanger (5) through second water pump (14), and the hot junction outlet of plate exchanger (5) is communicated with the hot junction inlet of source pump (6), and the cold side outlet of source pump (6) is communicated with the arrival end of first water knockout drum (7); The port of export of first water knockout drum (7) is communicated with the arrival end of every soil heat exchange pipe (1); One end of every road surface heat exchanger tube (2) is the port of export, and the other end of every road surface heat exchanger tube (2) is an entrance point, and the port of export of every road surface heat exchanger tube (2) is communicated with the entrance point of second water collector (4); The port of export of second water collector (4) is communicated with the cold junction inlet of source pump (6) through first water pump (13); The hot junction outlet of source pump (6) is communicated with the arrival end of second water knockout drum (8), and the port of export of second water knockout drum (8) is communicated with the arrival end of every road surface heat exchanger tube (2), is provided with circulatory mediator in the said system; Circulatory mediator is an anti-icing fluid; The cold side outlet of plate exchanger (5) is communicated with the import of solar energy collector (9), and the outlet of solar energy collector (9) is communicated with the inlet of water storage box (10), and the outlet of water storage box (10) is communicated with the hot junction inlet of plate exchanger (5) through the 3rd water pump (15).
2. the road snow-melting system that combines with soil source heat energy according to the said solar energy of claim 1 is characterized in that anti-icing fluid is that volumetric concentration is the glycol water of 25-40%.
3. the road snow-melting system that combines with soil source heat energy according to the said solar energy of claim 1 is characterized in that anti-icing fluid is that volumetric concentration is 35% glycol water.
4. the road snow-melting system that combines with soil source heat energy according to the said solar energy of claim 3 is characterized in that said system also comprises first expansion tank (11), and first water collector (3) is communicated with first expansion tank (11).
5. the road snow-melting system that combines with soil source heat energy according to the said solar energy of claim 4 is characterized in that said system also comprises second expansion tank (12), and second water collector (4) is communicated with second expansion tank (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010299695XA CN101956359B (en) | 2010-10-08 | 2010-10-08 | Road snow melting system with combination of solar energy and heat energy of soil source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010299695XA CN101956359B (en) | 2010-10-08 | 2010-10-08 | Road snow melting system with combination of solar energy and heat energy of soil source |
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| CN101956359A CN101956359A (en) | 2011-01-26 |
| CN101956359B true CN101956359B (en) | 2012-05-23 |
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| CN201010299695XA Expired - Fee Related CN101956359B (en) | 2010-10-08 | 2010-10-08 | Road snow melting system with combination of solar energy and heat energy of soil source |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304886B (en) * | 2011-07-05 | 2013-02-13 | 哈尔滨工业大学 | Snow melting device for traffic in winter |
| CN102704369A (en) * | 2012-06-28 | 2012-10-03 | 哈尔滨工业大学 | Road snow-melting system integrating solar energy with ground source heat energy and snow-melting method with same |
| CN103147376A (en) * | 2013-02-28 | 2013-06-12 | 天津百思特环保能源开发有限公司 | Solar snow melting system |
| GB2512834A (en) * | 2013-04-08 | 2014-10-15 | Alan Everitt | Outdoor under surface heating |
| CN103688809B (en) * | 2013-12-18 | 2016-06-08 | 江苏大学 | A kind of plant frost prevention method and system |
| CN106192667A (en) * | 2016-07-12 | 2016-12-07 | 重庆交通大学 | A kind of solar heating prevents the system and method that highway pavement freezes |
| CN112411311A (en) * | 2020-11-09 | 2021-02-26 | 国家电网有限公司 | Hydropower station pavement snow melting system |
| CN115491948A (en) * | 2022-10-31 | 2022-12-20 | 辽宁工程技术大学 | Solar energy-soil heat storage snow melt and electricity generation control system |
Citations (2)
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| CN101387097A (en) * | 2008-09-11 | 2009-03-18 | 武汉理工大学 | Porous thermal conductive asphalt concrete pavement heat exchange system and use thereof |
| CN101736715A (en) * | 2009-12-09 | 2010-06-16 | 吉林大学 | Energy stepped system of road heat collection and heat release by snow and ice melting |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001323429A (en) * | 2000-05-12 | 2001-11-22 | Kubota Corp | Geothermal show melting facility and its operating method |
| JP4929028B2 (en) * | 2006-04-28 | 2012-05-09 | ミサワ環境技術株式会社 | Solar geothermal heat storage supply equipment |
| JP2008308963A (en) * | 2007-06-18 | 2008-12-25 | Daiwa House Ind Co Ltd | Ground surface snow melting system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387097A (en) * | 2008-09-11 | 2009-03-18 | 武汉理工大学 | Porous thermal conductive asphalt concrete pavement heat exchange system and use thereof |
| CN101736715A (en) * | 2009-12-09 | 2010-06-16 | 吉林大学 | Energy stepped system of road heat collection and heat release by snow and ice melting |
Non-Patent Citations (3)
| Title |
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| JP特开2001-323429A 2001.11.22 |
| JP特开2008-25984A 2008.02.07 |
| JP特开2008-308963A 2008.12.25 |
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| CN101956359A (en) | 2011-01-26 |
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Granted publication date: 20120523 Termination date: 20121008 |