CN106872200A - Cooling tower underground pipe coupling soil radiating experimental system - Google Patents
Cooling tower underground pipe coupling soil radiating experimental system Download PDFInfo
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- CN106872200A CN106872200A CN201710123248.0A CN201710123248A CN106872200A CN 106872200 A CN106872200 A CN 106872200A CN 201710123248 A CN201710123248 A CN 201710123248A CN 106872200 A CN106872200 A CN 106872200A
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- heat exchanger
- valve
- cooling tower
- plate type
- attemperater
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Abstract
The present invention discloses a kind of cooling tower underground pipe coupling soil radiating experimental system, including attemperater (1), plate type heat exchanger (2), cooling tower (3) and ground heat exchanger (4)；Water inlet (41), the delivery port (42) of ground heat exchanger (4) delivery port (12) respectively with attemperater (1), water inlet (11) are communicated, and water inlet (31), the delivery port (32) of the cooling tower (3) the second delivery port (23) respectively with plate type heat exchanger (2), the second water inlet (24) are communicated；First water inlet (21) of plate type heat exchanger (2) is communicated with the water inlet (11) of attemperater (1), and the first delivery port (22) is communicated with the delivery port (42) of ground heat exchanger (4).Experimental system of the invention, can obtain pipe laying surrounding soil temperature change feature and underground pipe and cooling tower heat dissipation characteristics under different cooling tower underground pipe coupling soil modes.
Description
Technical field
Different cooling tower-ground can be obtained the invention belongs to geothermal heat pump air-conditioner experimental rig technical field, particularly one kind
Cooling tower-the ground of pipe laying surrounding soil temperature change feature and underground pipe and cooling tower heat dissipation characteristics under pipe laying coupling soil mode
Pipe laying coupling soil radiating experimental system.
Background technology
Earth source heat pump is gradually gained popularity because of its energy-conservation with the feature of environmental protection, and be considered as most develop 21st century it is latent
One of heating air conditioning technology of power.But for the area based on cooling, Soil Thermal is unbalance, and serious, pipe laying initial cost is big, into
To restrict the key factor of ground-source heat pump development application.Therefore, replacing part pipe laying using cooling tower as auxiliary radiating device
Cooling tower assisted recombination earth-source hot-pump system, it is unbalance effectively to alleviate Soil Thermal, while can also reduce pipe laying investment, has
Wide application prospect.
For cooling tower assisted recombination earth-source hot-pump system, the auxiliary heat dissipation characteristic of cooling tower and underground pipe surrounding soil
Influence of the temperature change with recovery characteristics to hybrid system performance is most important, and different cooling tower-underground pipe coupling soil
Radiating mode can cause different cooling tower heat dispersions and underground pipe surrounding soil temperature changing regularity.It is optimal in order to seek
Cooling tower-underground pipe coupling soil radiating mode, to ensure the Effec-tive Function of hybrid system, it is necessary to pass through experiment to various couplings
Radiating mode carries out Experimental comparison.
However, existing experimental system is generally only capable of completing single radiating mode experiment, it is impossible to obtain different cooling towers-buried
Soil moisture change and cooling tower and underground pipe heat dissipation characteristics under pipe coupling soil radiating mode.
The content of the invention
It is an object of the invention to provide a kind of cooling tower-underground pipe coupling soil radiating experimental system, difference can be obtained
Pipe laying surrounding soil temperature change feature and underground pipe and cooling tower heat dissipation characteristics under cooling tower-underground pipe coupling soil mode.
The technical solution for realizing the object of the invention is：
A kind of cooling tower-underground pipe coupling soil radiating experimental system, including attemperater 1, plate type heat exchanger 2, cooling
Tower 3 and ground heat exchanger 4；
The water inlet 41 of the ground heat exchanger 4 is communicated with the delivery port 12 of attemperater 1, ground heat exchanger 4
Delivery port 42 is communicated with the water inlet 11 of attemperater 1, in the water inlet of the delivery port 42 and attemperater 1 of ground heat exchanger 4
The 3rd flowmeter 73, the valve 86 of first circulation water pump 61 and the 6th are sequentially connected in series between mouth 11, in the delivery port of attemperater 1
The 4th valve 84 is provided between 12 and the water inlet 41 of ground heat exchanger 4；
The water inlet 31 of the cooling tower 3 is communicated by second flowmeter 72 with the second delivery port 23 of plate type heat exchanger 2,
The delivery port 32 of cooling tower 3 is communicated by second circulation water pump 62 with the second water inlet 24 of plate type heat exchanger 2；
First water inlet 21 of the plate type heat exchanger 2 is by the 5th valve 85 and the 6th valve 86 and attemperater 1
Water inlet 11 is communicated, and the first water inlet 21 of plate type heat exchanger 2 is by the valve 81 of first flowmeter 71 and first and attemperater 1
Delivery port 12 communicate, the first delivery port 22 of the plate type heat exchanger 2 is by the 3rd valve 83 and the 3rd flowmeter 73 and ground
The delivery port 42 of buried tube heat exchanger 4 is communicated, and the first delivery port 22 of plate type heat exchanger 2 is exchanged heat by the second valve 82 and underground pipe
The water inlet 41 of device 4 is communicated.
Compared with prior art, its remarkable advantage is the present invention：Different cooling towers-underground pipe coupling soil mode can be obtained
Lower pipe laying surrounding soil temperature change feature and underground pipe and cooling tower heat dissipation characteristics.
1st, by the flexible modulation of valve, underground pipe under different cooling towers-underground pipe coupling soil radiating mode can be completed
The temperature dynamic variation characteristic and cooling tower of heat exchanger surrounding soil and the experiment of underground pipe heat dissipation characteristics；
2nd, by the setting of attemperater water temperature, the coupling under different leaving water temperatures between cooling tower-underground pipe can be obtained and is dissipated
Thermal characteristics, so that foundation can be provided with operation for the optimization design of real system；
3rd, by setting the unlocking condition of cooling tower, cooling tower can be completed in continuous operation, intermittent duty and different outdoors
Experiment of the cooling tower radiating to underground soil moisture recovery characteristics under environment；
4th, due to replacing water source heat pump units using the attemperater with electric heater so that system architecture is simple,
Low cost, be easy to control to adjust, and experiential function variation.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the structural representation of cooling tower of the present invention-underground pipe coupling soil radiating experimental system.
In figure, attemperater 1, plate type heat exchanger 2, cooling tower 3, ground heat exchanger 4, data collecting instrument 5, first circulation
Water pump 61, second circulation water pump 62, first flowmeter 71, second flowmeter 72, the 3rd flowmeter 73, the first valve 81, second
Valve 82, the 3rd valve 83, the 4th valve 84, the 5th valve 85, the 6th valve 86, electric heater 9, temp probe 10, signal
Transmission line 11.
Specific embodiment
A kind of cooling tower-underground pipe coupling soil radiating experimental system, including attemperater 1, plate type heat exchanger 2, cooling
Tower 3 and ground heat exchanger 4；
The water inlet 41 of the ground heat exchanger 4 is communicated with the delivery port 12 of attemperater 1, ground heat exchanger 4
Delivery port 42 is communicated with the water inlet 11 of attemperater 1, in the water inlet of the delivery port 42 and attemperater 1 of ground heat exchanger 4
The 3rd flowmeter 73, the valve 86 of first circulation water pump 61 and the 6th are sequentially connected in series between mouth 11, in the delivery port of attemperater 1
The 4th valve 84 is provided between 12 and the water inlet 41 of ground heat exchanger 4；
The water inlet 31 of the cooling tower 3 is communicated by second flowmeter 72 with the second delivery port 23 of plate type heat exchanger 2,
The delivery port 32 of cooling tower 3 is communicated by second circulation water pump 62 with the second water inlet 24 of plate type heat exchanger 2；
First water inlet 21 of the plate type heat exchanger 2 is by the 5th valve 85 and the 6th valve 86 and attemperater 1
Water inlet 11 is communicated, and the first water inlet 21 of plate type heat exchanger 2 is by the valve 81 of first flowmeter 71 and first and attemperater 1
Delivery port 12 communicate, the first delivery port 22 of the plate type heat exchanger 2 is by the 3rd valve 83 and the 3rd flowmeter 73 and ground
The delivery port 42 of buried tube heat exchanger 4 is communicated, and the first delivery port 22 of plate type heat exchanger 2 is exchanged heat by the second valve 82 and underground pipe
The water inlet 41 of device 4 is communicated.
Electric heater 9 is provided with the attemperater 1.
Also include data collecting instrument 5 and multiple temp probes 10, the multiple temp probe 10 passes through signal transmssion line 11
Electrically connected with data collecting instrument 5；
The multiple temp probe 10 be respectively arranged at attemperater 1 intake-outlet 11,12, plate type heat exchanger 22 passes in and out
The mouth of a river 21,22,23,24, the intake-outlet 41,42 of the intake-outlet 31,32 of cooling tower 3 and ground heat exchanger 4.
The surrounding soil different depth of the ground heat exchanger 4 with also be provided with being electrically connected with data collecting instrument 5 at radius
Temp probe 10.
The present invention easily can be operated under various modes, to obtain under different cooling towers-underground pipe coupling soil mode
Pipe laying surrounding soil temperature change feature and underground pipe and cooling tower heat dissipation characteristics.
When the 1st, operating in cooling tower-underground pipe series coupled radiating mode, electrical heating 9, water circulating pump 61, recirculated water are opened
Pump 62, the first valve 81, the second valve 82, the 6th valve 86 are opened, other valve closings；Cooling tower by plate type heat exchanger with
Ground heat exchanger is constituted and is connected in series, i.e., attemperater hot water out is first passed through plate type heat exchanger and radiated by cooling tower,
Attemperater is returned to after entering back into ground heat exchanger radiating.
When the 2nd, operating in cooling tower-underground pipe parallel coupled radiating mode, electrical heating 9, water circulating pump 61, recirculated water are opened
Pump 62, the first valve 81, the 3rd valve 83, the 4th valve 84, the 6th valve 86 are opened, other valve closings；Cooling tower passes through
Plate type heat exchanger is constituted with ground heat exchanger and is connected in parallel, i.e., attemperater hot water out is simultaneously logical by plate type heat exchanger
Supercooling tower radiates and ground heat exchanger radiating, is then return to attemperater.
3rd, night cooling tower heat release pattern is operated in, when carrying out radiating operation using underground pipe in the daytime：Opening electric heater
9th, first circulation water pump 6-1, the 4th valve 84, the 6th valve 86 are opened, other valve closings；Night is transported using cooling tower heat release
During row：First circulation water pump 61, first circulation water pump 62 is opened, the second valve 82, the 5th valve 85 are opened, other valves are closed
Close；In the daytime radiated using ground heat exchanger, night cooling tower constitutes string by plate type heat exchanger with ground heat exchanger
Connection link circuit, is discharged into air the heat that ground heat exchanger in the daytime is dissipated in soil using cooling tower, so that buried
The temperature of pipe surrounding soil is recovered as early as possible.
Claims (7)
1. a kind of cooling tower-underground pipe couples soil radiating experimental system, it is characterised in that：
Including attemperater (1), plate type heat exchanger (2), cooling tower (3) and ground heat exchanger (4)；
The water inlet (41) of the ground heat exchanger (4) is communicated with the delivery port (12) of attemperater (1), ground heat exchanger
(4) delivery port (42) is communicated with the water inlet (11) of attemperater (1), ground heat exchanger (4) delivery port (42) with
The 3rd flowmeter (73), first circulation water pump (61) and the 6th valve have been sequentially connected in series between the water inlet (11) of attemperater (1)
Door (86), the 4th valve is provided between the delivery port (12) of attemperater (1) and the water inlet (41) of ground heat exchanger (4)
(84)；
The water inlet (31) of the cooling tower (3) is by second flowmeter (72) and the second delivery port of plate type heat exchanger (2)
(23) communicate, the delivery port (32) of cooling tower (3) is by second circulation water pump (62) and the second water inlet of plate type heat exchanger (2)
(24) communicate；
First water inlet (21) of the plate type heat exchanger (2) is by the 5th valve (85) and the 6th valve (86) and attemperater
(1) water inlet (11) is communicated, and first water inlet (21) of plate type heat exchanger (2) is by first flowmeter (71) and the first valve
(81) communicated with the delivery port (12) of attemperater (1), first delivery port (22) of the plate type heat exchanger (2) is by the 3rd valve
Door (83) and the 3rd flowmeter (73) are communicated with the delivery port (42) of ground heat exchanger (4), and the first of plate type heat exchanger (2) goes out
The mouth of a river (22) is communicated by the second valve (82) with the water inlet (41) of ground heat exchanger (4).
2. experimental system according to claim 1, it is characterised in that：
Electric heater (9) is provided with the attemperater (1).
3. experimental system according to claim 2, it is characterised in that：
Also include data collecting instrument (5) and multiple temp probes (10), the multiple temp probe (10) is by signal transmssion line
(11) electrically connected with data collecting instrument (5)；
The multiple temp probe (10) is respectively arranged at intake-outlet (11,12), the plate type heat exchanger (2) 2 of attemperater (1)
The intake-outlet (31,32) and the intake-outlet of ground heat exchanger (4) of intake-outlet (21,22,23,24), cooling tower (3)
(41、42)。
4. experimental system according to claim 3, it is characterised in that：In the ground heat exchanger (4) surrounding soil not
With depth and the temp probe (10) for also being provided with being electrically connected with data collecting instrument (5) at radius.
5. experimental system according to claim 4, it is characterised in that：Operate in cooling tower-underground pipe series coupled radiating
During pattern, electrical heating (9), water circulating pump (61), water circulating pump (62), the first valve (81), the second valve (82), the 6th are opened
Valve (86) is opened, other valve closings；Cooling tower is made up of with ground heat exchanger plate type heat exchanger and is connected in series, that is, protect
Reservoir hot water out is first passed through plate type heat exchanger and is radiated by cooling tower, and guarantor is returned to after entering back into ground heat exchanger radiating
Reservoir.
6. experimental system according to claim 4, it is characterised in that：Operate in cooling tower-underground pipe parallel coupled radiating
During pattern, electrical heating (9), water circulating pump (61), water circulating pump (62), the first valve (81), the 3rd valve (83), the 4th are opened
Valve (84), the 6th valve (86) are opened, other valve closings；Cooling tower is made up of plate type heat exchanger with ground heat exchanger
It is connected in parallel, i.e., attemperater hot water out is radiated by plate type heat exchanger by cooling tower simultaneously and ground heat exchanger dissipates
Heat, is then return to attemperater.
7. experimental system according to claim 4, it is characterised in that：Night cooling tower heat release pattern is operated in, in the daytime profit
When radiating operation is carried out with underground pipe：Opening electric heater (9), first circulation water pump (61), the 4th valve (84), the 6th valve
(86) open, other valve closings；When night is run using cooling tower heat release：Open first circulation water pump (61), second circulation
Water pump (62), the second valve (82), the 5th valve (85) are opened, other valve closings；In the daytime carried out using ground heat exchanger
Radiating, night cooling tower constitutes series-connected loop by plate type heat exchanger with ground heat exchanger, will in the daytime using cooling tower
The heat that ground heat exchanger is dissipated in soil is discharged into air, so that the temperature of underground pipe surrounding soil is recovered as early as possible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710123248.0A CN106872200A (en) | 2017-03-03 | 2017-03-03 | Cooling tower underground pipe coupling soil radiating experimental system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710123248.0A CN106872200A (en) | 2017-03-03 | 2017-03-03 | Cooling tower underground pipe coupling soil radiating experimental system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106872200A true CN106872200A (en) | 2017-06-20 |
Family
ID=59169915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710123248.0A Pending CN106872200A (en) | 2017-03-03 | 2017-03-03 | Cooling tower underground pipe coupling soil radiating experimental system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106872200A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120868A (en) * | 2017-06-21 | 2017-09-01 | 宝莲华新能源技术（上海）股份有限公司 | A kind of cooling water control system for improving earth-source hot-pump system Energy Efficiency Ratio |
| CN114217046A (en) * | 2021-11-25 | 2022-03-22 | 建科环能科技有限公司 | Middle-deep buried pipe testing system |
Citations (5)
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|---|---|---|---|---|
| JPS60138437A (en) * | 1983-12-27 | 1985-07-23 | Nissan Koki Kk | Cooling testing device provided with precooling device |
| JPH06304626A (en) * | 1993-04-20 | 1994-11-01 | Kawasaki Steel Corp | Method for deciding arrangement of cooling nozzles |
| CN102721722A (en) * | 2012-06-20 | 2012-10-10 | 扬州大学 | In-situ thermal response testing method of stratified thermal properties of underground rock and soil |
| US9271429B2 (en) * | 2010-04-12 | 2016-02-23 | Fujikura Ltd. | Cooling device, cooling system, and auxiliary cooling device for datacenter |
| CN106017965A (en) * | 2016-07-12 | 2016-10-12 | 扬州大学 | U-type ground heat exchanger heat and moisture transfer performance simulation test device and test method |
-
2017
- 2017-03-03 CN CN201710123248.0A patent/CN106872200A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60138437A (en) * | 1983-12-27 | 1985-07-23 | Nissan Koki Kk | Cooling testing device provided with precooling device |
| JPH06304626A (en) * | 1993-04-20 | 1994-11-01 | Kawasaki Steel Corp | Method for deciding arrangement of cooling nozzles |
| US9271429B2 (en) * | 2010-04-12 | 2016-02-23 | Fujikura Ltd. | Cooling device, cooling system, and auxiliary cooling device for datacenter |
| CN102721722A (en) * | 2012-06-20 | 2012-10-10 | 扬州大学 | In-situ thermal response testing method of stratified thermal properties of underground rock and soil |
| CN106017965A (en) * | 2016-07-12 | 2016-10-12 | 扬州大学 | U-type ground heat exchanger heat and moisture transfer performance simulation test device and test method |
Non-Patent Citations (2)
| Title |
|---|
| 郝先栋: "并、串联连接混合式地源热泵比较", 《制冷与空调》 * |
| 陈大建: "冷却塔辅助复合地源热泵系统运行特性研究", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120868A (en) * | 2017-06-21 | 2017-09-01 | 宝莲华新能源技术（上海）股份有限公司 | A kind of cooling water control system for improving earth-source hot-pump system Energy Efficiency Ratio |
| CN114217046A (en) * | 2021-11-25 | 2022-03-22 | 建科环能科技有限公司 | Middle-deep buried pipe testing system |
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Application publication date: 20170620 |