CN108458507A - Energy stake heat-exchanger rig and its heat-exchange method under a kind of winter condition - Google Patents
Energy stake heat-exchanger rig and its heat-exchange method under a kind of winter condition Download PDFInfo
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- CN108458507A CN108458507A CN201810350153.7A CN201810350153A CN108458507A CN 108458507 A CN108458507 A CN 108458507A CN 201810350153 A CN201810350153 A CN 201810350153A CN 108458507 A CN108458507 A CN 108458507A
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- heat
- pipe
- freon
- outlet
- valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention belongs to energy stake technical field of heat exchange, more particularly to energy stake heat-exchanger rig and its heat-exchange method under a kind of winter condition, energy stake heat-exchanger rig includes refrigerating plant and circulator, the refrigerating plant includes cart, condenser is placed on cart, gas compressor and freon accumulator tank, the outlet of freon accumulator tank is connected to gas compressor import by first pipe, gas compressor outlet is connected to condenser inlet by first pipe, the circulator includes attemperater, second pipe is equipped in attemperater, the present invention stablizes, efficiently, sustainable heat exchange, it can be used for TPT and TRT experiments.
Description
Technical field
The invention belongs to energy stake technical field of heat exchange, and in particular under a kind of winter condition energy stake heat-exchanger rig and its
Heat-exchange method.
Background technology
Ground source heat pump technology is but the ground using the geothermal energy in thin solum or water source as the air-conditioning system in cold (heat) source
The drilling pipe laying construction cost of source heat pump technology is high, and occupies a large amount of underground spaces, to limit its development, in recent years, engineering
Technical staff by routine building pile foundation foundation pile and earth source heat pump heat exchanger tube combine, form a kind of novel basis
Stake, i.e. energy stake, energy stake can meet the requirement of pile foundation mechanical property and bury the cycle reality of intraductal heat exchange liquid by pile body
The heat exchange of existing top-out and superficial-layer geothermal energy, energy stake in summer in use, be will be in upper building by heat pump unit
Heat be transferred in thin solum or water source, winter will be in thin solum heat transfer to top-out；Existing winter work
It is to connect the heat exchanger tube in energy stake with water tank under condition, mixture of ice and water is placed in water tank, mixture of ice and water in water tank to changing
Circulation fluid in heat pipe is cooled down, and so that the circulation fluid in inflow energy stake is in low-temperature condition, is made low-temperature heat exchange to reach
The purpose that liquid recycles in heat exchanger tube, but since the mixture of ice and water in input water tank can not be in stable temperature, cause
The temperature of circulation fluid is unstable in heat exchanger tube, not only consumes a large amount of man power and material, but also it is low therefore existing to run working efficiency
There is technology to need further improve.
Invention content
The purpose of the present invention is to provide a kind of stabilization, efficient, sustainable heat exchange, the winters that can be used for TPT and TRT experiments
Energy stake heat-exchanger rig and its heat-exchange method under operating mode.
Based on above-mentioned purpose, the present invention adopts the following technical scheme that：
Energy stake heat-exchanger rig under a kind of winter condition, including refrigerating plant and circulator, the refrigerating plant include cold
Condenser, gas compressor and freon accumulator tank, the outlet of freon accumulator tank are connected to gas compressor import by first pipe,
Gas compressor outlet is connected to condenser inlet by first pipe, and the circulator includes attemperater, attemperater
It is interior to be equipped with second pipe, throttle valve is connected in second pipe import, condensator outlet is connected to throttle valve import by first pipe,
Throttle valve outlet second pipe import, second pipe outlet are connected to freon accumulator tank import by first pipe；
The circulator further includes heat exchanger tube, and heat exchanger tube is placed in energy stake, is additionally provided with liquid outlet below attemperater, goes out
Liquid mouth is connected to heat exchanger tube import by third pipeline, and heat transfer tube outlet is connected to the top of attemperater by the 4th pipeline, described
Temp probe is equipped at liquid outlet, temp probe connects temperature controller, and temperature controller connects contactor, and contactor connects gas compressor
Power supply and condenser power supply.
Further, the liquid outlet is connect with third pipeline by the first water pipe conversion head, the first water pipe conversion head
It is inside equipped with the first valve, the import of heat exchanger tube is connect with third pipeline by the second water pipe conversion head, from the first water pipe conversion head
Fluid flowmeter and pulsating pump are equipped on to the third pipeline between the second water pipe conversion head successively.
Further, the first pipe between the condensator outlet and throttle valve import is equipped with the second valve, the
First pipe between two pipe outlets and freon accumulator tank import is equipped with the second valve.
Further, first valve is Liquid valve, which is ball valve, and second valve is gas
Body valve, the gas valve are shut-off valve, and the throttle valve is capillary.
Further, the radius of the second pipe be more than or equal to first pipe radius, the first pipe and
Second pipe is refrigeration copper tube, and third pipeline is steel wire tube.
Further, the refrigerating plant further includes cart, and condenser, gas compressor and freon accumulator tank are placed
On cart.
Further, the heat exchange liquid is anti-icing fluid.
Using the method for energy stake heat-exchanger rig under a kind of winter condition, comprise the steps of：
（1）Will injection heat exchange liquid in attemperater, gas compression electromechanical source and condenser power supply are connected, in freon accumulator tank
After freon is compressed by gas compressor, then condensed device is converted into normal temperature high voltage freon, normal temperature high voltage freon warp
It is converted into after throttle valve after low temperature freon and enters second pipe, enter fluorine in second pipe after low temperature freon cooling heat transferring liquid
Leon accumulator tank；
（2）Step（1）In heat exchange liquid after cooling from liquid outlet flow into heat exchanger tube import, heat exchange liquid then from heat transfer tube outlet stream
Go out to enter attemperater；
（3）The temperature measured is transmitted to temperature controller by temp probe, and temperature controller, which controls condenser and the power supply of gas compressor, is
No connection, when the temperature that temp probe measures reaches temperature controller high limit temperature threshold, temperature controller connects condenser and gas compression
The power supply of machine, when the temperature that temp probe measures reaches temperature controller lower temperature threshold, temperature controller disconnects condenser and gas pressure
The power supply of contracting machine.
TPT or TRT is carried out using energy stake heat-exchanger rig under a kind of winter condition to test.
The present invention is used cooperatively using gas compressor, condenser and freon accumulator tank, and gas is controlled by temperature controller
The opening and closing of gas compressor and the opening and closing of condenser can be cooled down or stopped with the lasting heat exchange liquid in attemperater of firm power
Only cool down；Temperature controller can precisely monitor the temperature of heat exchange liquid by temp probe, to control gas compressor, condenser
Heat exchange prevents cooling excessive, ensures that heat exchange liquid stablizes constant temperature；Wherein, Freon gas can recycle, energy conservation and environmental protection, work
Make efficient；Heat-exchanger rig simple structure is easily assembled, dismantles and carries, and replacement easy to maintain is cheap, and package unit
It occupies little space, a variety of places can be applicable in, practicability is higher, easily promotes, and be additionally provided with the first valve and liquid in the present invention
Flowmeter can be used for TRT and TPT experiments.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the location diagram of the first water pipe conversion head and attemperater.
Specific implementation mode
10 heat-exchanger rig of energy stake under a kind of winter condition as shown in Figs. 1-2, including refrigerating plant and circulator, institute
The refrigerating plant stated includes cart 1, places condenser 2, gas compressor 3 and freon accumulator tank 4 on cart 1, will keep the temperature water
Heat exchange liquid is poured into case 5, freon accumulator tank outlet 401 is connected to gas compressor import 301 by first pipe 6, and work shape
Under state, the gaseous state freon inflow gas compressor 3 in freon accumulator tank 4, gas compressor outlet 302 passes through first pipe
6 connection condenser inlets 201, gaseous state Freon gas are compressed into high pressure gaseous freon by gas compressor 3, the height
Warm high-pressure gaseous freon then flows into condenser 2, and the circulator includes attemperater 5, and the is equipped in attemperater 5
Two pipelines 7, throttle valve 8 is connected in second pipe import 701, and condensator outlet 202 passes through first pipe 6 and is connected to throttle valve import
801,8 outlet second pipe import 701 of throttle valve, condenser 2 converts high pressure gaseous freon to normal temperature high voltage
Liquid freon, for the normal temperature high voltage liquid freon using low temperature gas-liquid mixed state freon is converted into after throttle valve 8, this is low
Wet liquid mixed state freon enters back into second pipe 7, and second pipe outlet 702 is connected to freon savings by first pipe 6
Tank import 402 after the exchange of second pipe 7 hydrothermal solution carries out cooling, then exports 702 from second pipe and exits into freon accumulator tank
4；The circulator further includes heat exchanger tube 9, and heat exchanger tube 9 is placed in energy stake 10, and 5 lower section of attemperater is additionally provided with liquid outlet
11, liquid outlet 11 is connected to heat exchanger tube import 901 by third pipeline 12, and heat exchange liquid after cooling passes through third pipe from liquid outlet 11
Road 12 flows into heat exchanger tube import 901, and heat transfer tube outlet 902 is connected to the top of attemperater 5 by the 4th pipeline 21, heat exchange liquid after
And exit into attemperater 5 from heat transfer tube outlet 902；Temp probe 13 is equipped at the liquid outlet 11, temp probe 13 connects
Temperature controller 14 is connect, the temperature controller is high-precision intelligent temperature controller SM5-LCD, and the temperature measured is transmitted to by temp probe 13
Temperature controller 14, temperature controller 14 connect contactor 15, the opening and closing of 14 control contactor 15 of temperature controller, and contactor 15 connects gas compressor
2 power supply of 3 power supplys and condenser, contactor 15 control whether condenser 2 is connected with the power supply of gas compressor 3, and described goes out liquid
Mouth 11 is connect with third pipeline 12 by the first water pipe conversion head 16, is equipped with the first valve 17 in the first water pipe conversion head 16, is changed
Heat pipe import 901 is connect with third pipeline 12 by the second water pipe conversion head 18, from 16 to the second water pipe of the first water pipe conversion head
Fluid flowmeter 19 and pulsating pump 20, the condensator outlet 202 are equipped on third pipeline 12 between conversion head 18 successively
First pipe 6 between throttle valve import 801 is equipped with the second valve 22, second pipe outlet 702 and freon accumulator tank
First pipe 6 between import 402 is equipped with the second valve 22, and first valve 17 is Liquid valve, the Liquid valve
For ball valve, second valve 22 is gas valve, which is shut-off valve, and the throttle valve 8 is capillary, institute
The radius for the second pipe 7 stated is equal to the radius of first pipe 6, and the radius of the second pipe 7 can also be more than the first pipe
The radius in road 6, contactor 15 and 14 power supply of temperature controller are set in an electronic box, and 20 power supply of pulsating pump is additionally provided in electronic box, water suction
20 power supplys connection pulsating pump 20 is pumped, the first pipe 6 and second pipe 7 are refrigeration copper tube, and third pipeline 12 is steel wire tube,
The heat exchange liquid is anti-icing fluid, and the heat exchange liquid can also be water, and pump for fish pot is additionally provided in attemperater 5, at the beginning of the liquid that exchanges heat
Heat exchanger tube is entered back into after secondary cycle, exchange heat liquid more uniform temperature；
When beginning to use, 14 power supply of temperature controller is opened, the high limit temperature threshold and lower temperature threshold of temperature controller 14, temperature are set
Probe 13 detects that heat exchange liquid temperature reaches 14 high limit temperature threshold of temperature controller, and heat exchange liquid temperature is higher, and contactor 15 is connected cold
The power supply of condenser 2 and gas compressor 3, temp probe 13 detect that heat exchange liquid temperature reaches 14 lower temperature threshold of temperature controller,
The liquid temperature that exchanges heat is relatively low, and contactor 15 disconnects the power supply of condenser 2 and gas compressor 3, stops exchange hydrothermal solution cooling.
TPT experiments are carried out using 10 heat-exchanger rig of energy stake under a kind of winter condition：Heat exchange is injected into attemperater 5
14 high limit temperature threshold of temperature controller and lower temperature threshold is arranged in liquid, and 5.2 DEG C of high limit temperature threshold, lower temperature threshold is 5
DEG C, contactor 15 controls 3 power supply of gas compressor and is connected with 2 power supply of condenser, and heat exchange liquid starts to be cooled, when the temperature of heat exchange liquid
When degree reaches the lower temperature threshold of temperature controller 14,20 power supply of pulsating pump is connected, adjusts the first valve 17, while observing liquid flow
Gauge starts to test.
TRT experiments are carried out using 10 heat-exchanger rig of energy stake under a kind of winter condition：Heat exchange is added into attemperater 5
14 high limit temperature threshold of temperature controller and lower temperature threshold is arranged in liquid, and -4.8 DEG C of high limit temperature threshold, lower temperature threshold is -5
DEG C, contactor 15 controls 3 power supply of gas compressor and 2 power supply of condenser and connects, with firm power persistently to being changed in attemperater 5
Hydrothermal solution is freezed；It is also turned on 20 power supply of pulsating pump, adjusts the first valve 17, observation fluid flowmeter reading, heat exchange liquid is with constant
Flow velocity starts the cycle over, and starts to test.
Claims (10)
1. energy stake heat-exchanger rig under a kind of winter condition, which is characterized in that including refrigerating plant and circulator, the system
Device for cooling includes condenser, gas compressor and freon accumulator tank, and the outlet of freon accumulator tank is connected to gas by first pipe
Gas compressor import, gas compressor outlet are connected to condenser inlet by first pipe, and the circulator includes heat preservation
Water tank, attemperater is interior to be equipped with second pipe, is connected to throttle valve in second pipe import, condensator outlet is connected by first pipe
Logical throttle valve import, throttle valve outlet second pipe import, second pipe outlet are connected to freon storage by first pipe
Store tank import；
The circulator further includes heat exchanger tube, and heat exchanger tube is placed in energy stake, is additionally provided with liquid outlet below attemperater, goes out
Liquid mouth is connected to heat exchanger tube import by third pipeline, and heat transfer tube outlet is connected to the top of attemperater by the 4th pipeline, described
Temp probe is equipped at liquid outlet, temp probe connects temperature controller, and temperature controller connects contactor, and contactor connects gas compressor
Power supply and condenser power supply.
2. energy stake heat-exchanger rig under winter condition according to claim 1, which is characterized in that the liquid outlet and
Three pipelines are connected by the first water pipe conversion head, and the first valve, the import of heat exchanger tube and third are equipped in the first water pipe conversion head
Pipeline is connected by the second water pipe conversion head, from the first water pipe conversion head to the third pipeline between the second water pipe conversion head according to
It is secondary to be equipped with fluid flowmeter and pulsating pump.
3. energy stake heat-exchanger rig under winter condition according to claim 2, which is characterized in that the condensator outlet
First pipe between throttle valve import is equipped with the second valve, between second pipe outlet and freon accumulator tank import
First pipe is equipped with the second valve.
4. energy stake heat-exchanger rig under winter condition according to claim 3, which is characterized in that first valve is
Liquid valve, the Liquid valve are ball valve, and second valve is gas valve, which is shut-off valve, described
Throttle valve is capillary.
5. energy stake heat-exchanger rig under winter condition according to claim 4, which is characterized in that the second pipe
Radius is more than or equal to the radius of first pipe, and the first pipe and second pipe are refrigeration copper tube, and third pipeline is steel wire
Pipe.
6. energy stake heat-exchanger rig under winter condition according to claim 5, which is characterized in that the refrigerating plant is also
Including cart, condenser, gas compressor and freon accumulator tank are placed on cart.
7. energy stake heat-exchanger rig under winter condition according to claim 6, which is characterized in that the heat exchange liquid is anti-
Freeze liquid.
8. energy stake heat-exchanger rig under winter condition according to claim 7, which is characterized in that in the attemperater
It is additionally provided with pump for fish pot.
9. using the heat-exchange method of energy stake heat-exchanger rig under the winter condition described in claim 1 or 8, which is characterized in that by
Following steps form：
（1）Will in attemperater injection heat exchange liquid, open temperature controller, temperature controller by contactor connect gas compression electromechanical source and
Condenser power supply, after the freon in freon accumulator tank is compressed by gas compressor, then condensed device is converted into room temperature height
Freon is pressed, which, which is converted into after throttle valve after low temperature freon, enters second pipe, in second pipe
Enter freon accumulator tank after low temperature freon cooling heat transferring liquid；
（2）Step（1）In heat exchange liquid after cooling from liquid outlet flow into heat exchanger tube import, heat exchange liquid then from heat transfer tube outlet stream
Go out to enter attemperater；
（3）Temperature controller controls whether condenser is connected with the power supply of gas compressor by contactor, and heat exchange liquid reaches temperature controller
High limit temperature threshold, contactor connect the power supply of condenser and gas compressor, and heat exchange liquid reaches temperature controller lower temperature threshold,
Contactor disconnects the power supply of condenser and gas compressor.
10. carrying out TPT or TRT using energy stake heat-exchanger rig under a kind of winter condition according to any one of claims 8 to test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810350153.7A CN108458507A (en) | 2018-04-18 | 2018-04-18 | Energy stake heat-exchanger rig and its heat-exchange method under a kind of winter condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810350153.7A CN108458507A (en) | 2018-04-18 | 2018-04-18 | Energy stake heat-exchanger rig and its heat-exchange method under a kind of winter condition |
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| Publication Number | Publication Date |
|---|---|
| CN108458507A true CN108458507A (en) | 2018-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810350153.7A Pending CN108458507A (en) | 2018-04-18 | 2018-04-18 | Energy stake heat-exchanger rig and its heat-exchange method under a kind of winter condition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319725A (en) * | 2019-07-10 | 2019-10-11 | 燕山大学 | A kind of pile body improving heat transmission efficiency |
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| CN105604059A (en) * | 2016-03-05 | 2016-05-25 | 江苏巨威机械有限公司 | Barrel-hammer-following circulating water cooling system |
| CN105910920A (en) * | 2016-06-22 | 2016-08-31 | 青岛理工大学 | Temperature control pile-soil interface direct shear test device |
| CN106225318A (en) * | 2016-07-25 | 2016-12-14 | 重庆大学 | Can total heat recovery air source heat pump system as low level heat energy with solar energy ground |
| CN107247073A (en) * | 2017-08-18 | 2017-10-13 | 张家港市兴鸿达基础有限公司 | A kind of pile foundation imbedded pipe heat-exchanging system safety testing device |
| CN208652961U (en) * | 2018-04-18 | 2019-03-26 | 河南理工大学 | Energy stake heat-exchanger rig under a kind of winter condition |
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2018
- 2018-04-18 CN CN201810350153.7A patent/CN108458507A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136511A (en) * | 2015-10-22 | 2015-12-09 | 上海出入境检验检疫局机电产品检测技术中心 | Ground source heat pump and ground source side heat exchange test system and control method thereof |
| CN105604059A (en) * | 2016-03-05 | 2016-05-25 | 江苏巨威机械有限公司 | Barrel-hammer-following circulating water cooling system |
| CN105910920A (en) * | 2016-06-22 | 2016-08-31 | 青岛理工大学 | Temperature control pile-soil interface direct shear test device |
| CN106225318A (en) * | 2016-07-25 | 2016-12-14 | 重庆大学 | Can total heat recovery air source heat pump system as low level heat energy with solar energy ground |
| CN107247073A (en) * | 2017-08-18 | 2017-10-13 | 张家港市兴鸿达基础有限公司 | A kind of pile foundation imbedded pipe heat-exchanging system safety testing device |
| CN208652961U (en) * | 2018-04-18 | 2019-03-26 | 河南理工大学 | Energy stake heat-exchanger rig under a kind of winter condition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319725A (en) * | 2019-07-10 | 2019-10-11 | 燕山大学 | A kind of pile body improving heat transmission efficiency |
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