CN202442821U - Soil source heat pump buried pipe heat exchanging and soil thermal property testing apparatus - Google Patents
Soil source heat pump buried pipe heat exchanging and soil thermal property testing apparatus Download PDFInfo
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- CN202442821U CN202442821U CN2012200229182U CN201220022918U CN202442821U CN 202442821 U CN202442821 U CN 202442821U CN 2012200229182 U CN2012200229182 U CN 2012200229182U CN 201220022918 U CN201220022918 U CN 201220022918U CN 202442821 U CN202442821 U CN 202442821U
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Abstract
The utility model discloses a soil source heat pump buried pipe heat exchanging and soil thermal property testing apparatus, which belongs to the field of the technology for testing the soil source heat pump buried pipe heat exchanging performance. The soil source heat pump buried pipe heat exchanging and soil thermal property testing apparatus comprises a circulation pipeline system and a test system. The circulation pipeline system comprises an insulation water tank, a water tank outlet pipeline and a water tank inlet pipeline, wherein the water tank outlet pipeline and the water tank inlet pipeline are respectively connected to the buried pipe to be tested and are respectively provided with a valve, and the water tank inlet pipeline is provided with a circulation water pump. The test system comprises an electromagnetic flowmeter, a pressure transducer and a temperature sensor. According to the utility model, in the practical test of a project, the stability of the supplied water temperature of the insulation water tank and the rationality of soil temperature test are guaranteed, the heat exchanging capability of the buried pipe under the two operation modes that the soil source heat pump system absorbs heat from or releases heat to soil can be simulated actually, tested and calculated results are accurate, precision is high, and accurate and reliable base data is provided for the design of a soil source heat pump.
Description
Technical field
The utility model belongs to the technical field of measurement and test of soil source heat pump ground pipe laying heat exchange property, the hot physical property measurement device of particularly a kind of soil source heat pump ground pipe laying heat and soil.
Background technology
But soil source heat pump be a kind of be the not only heat supply of low-temperature receiver or thermal source but also the energy-efficient air-conditioning system that can freeze with the shallow surface geothermal energy resources.Because the soil moisture is relatively stable the whole year, to compare with traditional air-conditioning system, it is high by about 40% that the soil source heat pump operational efficiency is wanted, and operation is reliable more and stable.In recent years, soil source heat pump is in China's widespread use.
Soil source heat pump is realized the exchange heat between intermediate medium and the soil through the ground pipe laying.Therefore, the heat exchange property of ground pipe laying plays decisive influence to the performance and the reasonable implementation thereof of soil source heat pump.The heat exchange property of ground pipe laying is relevant with the on-site underground ground thermal property of each engineering, so the heat exchange property of pipe laying carries out the key that field test is assurance soil source heat pump appropriate design and normal operation over the ground at the construction field (site).
In existing soil source heat pump ground pipe laying heat and the hot physical property measurement technology of soil, topic between existence is following:
1. soil moisture value is inaccurate.When the heat transfer coefficient of the average heat radiation of calculating soil; The value of the soil moisture is soil initial temperature (i.e. the soil moisture before the test); And intermediate medium through ground pipe laying and soil heat exchange after, the soil moisture changes to some extent, the actual soil moisture is different with initial temperature.In addition, on the vertical ground direction, there is thermal stratification in underground, only obtains the soil moisture through a temperature sensor, and its precision of method as the soil initial temperature is not high.
2. water temperature is inhomogeneous in the water tank.Tester as patent " the heat tester of subterranean heat exchanger of earth source heat pump " (People's Republic of China (PRC), the patent No. 200810069919.0, publication number CN 101299000A) proposes is simple in structure, easy to operate; The water tank of internal heater and refrigerator is as the cold and heat source of tester, although during test, water tank temperature has setting value; But because there is the thermal stratification phenomenon in water tank; The leaving water temperature of water tank often changes, and causes that the test operating mode is unstable, and then causes the test result error big.
3. proving installation discharge is immutable.The heat exchange property of ground pipe laying is relevant with the in-pipe flow amount, and different soil source heat pump engineerings has different ground pipe laying design water flow, if the immutable words of proving installation discharge greatly reduce the engineering adaptability of proving installation.
Thus it is clear that, develop a kind of not only easy but also pipe laying heat and the hot physical property measurement device of soil are most important to the popularization and the Scientific Application of soil source heat pump technology accurately.
The utility model content
To the deficiency of prior art, the purpose of the utility model provides a kind of soil source heat pump ground pipe laying heat and the hot physical property measurement device of soil.Characteristics such as that this proving installation has is simple in structure, easy to operate, operating condition scalable, applicability are wide, test accuracy height, the design and the construction that can be soil source heat pump system provide reliable foundation.
The technical scheme of the utility model technical solution problem is following:
The hot physical property measurement device of a kind of soil source heat pump ground pipe laying heat and soil is characterized in that this device comprises circulating pipe system and test macro;
Said circulating pipe system comprises attemperater, water tank export pipeline and tank entry pipeline; The water tank export pipeline is connected with ground pipe laying to be measured respectively with the tank entry pipeline; On water tank export pipeline and the tank entry pipeline valve is set all, the tank entry pipeline is provided with water circulating pump;
On said water tank export pipeline, electromagnetic flowmeter is set; On said water tank export pipeline and tank entry pipeline, pressure transducer and temperature sensor are set all; Said electromagnetic flowmeter, said pressure transducer and said temperature sensor link to each other with the DATA REASONING pen recorder through lead-in wire respectively; On the outer wall of said ground pipe laying one side, be provided with sets of temperature sensors, each temperature sensor in this sets of temperature sensors vertically is provided with after by branches such as ground pipe laying buried depths; The lead placement of said sets of temperature sensors is in sleeve pipe, and the end that goes between links to each other with the DATA REASONING pen recorder, and the other end passes sleeve pipe and is connected with each temperature sensor in the sets of temperature sensors; Said electromagnetic flowmeter, said pressure transducer, said temperature sensor and said sets of temperature sensors constitute described test macro.
Said sleeve pipe near and abreast pipe laying be provided with burying.
Said sets of temperature sensors is fixed on the outer wall of ground pipe laying through pipe clamp.
Said sets of temperature sensors can comprise 3-4 temperature sensor, and the sensor number can increase to improve measuring accuracy in the sets of temperature sensors.
When said water circulating pump is variable frequency pump, can realize that unsteady flow measures examination.
Electric heater and temperature controller are set in the said attemperater, and said electric heater is connected with temperature controller, and the heating power of said electric heater is adjustable, and said temperature controller is the electronic type temperature controller; Said attemperater bottom is provided with heat exchange coil, and said heat exchange coil links to each other with refrigerating plant, in the said attemperater stirrer is set.
Said attemperater is rectangular parallelepiped or the cylindrical vessel that top cover is arranged; Said attemperater is placed on the support.
Said attemperater bottom is provided with drainpipe, and air release and filling pipe are set on the top cover.
The side of said attemperater is provided with run-down pipe and liquid level gauge.
The concrete steps of using this proving installation to test are following:
1. the preliminary work before testing.With the ground pipe laying with in establish lead-in wire sleeve pipe put into by the hole-drilled stratum of designing requirement; Simultaneously, each temperature sensor in the sets of temperature sensors is fixed on ground pipe laying one side outer wall by equidistant intervals with pipe clamp, lead-in wire one end that throws away from sleeve pipe is connected with each temperature sensor; The lead-in wire other end is connected with the DATA REASONING pen recorder; After the boring backfill, utilize joint that the proving installation outlet is linked to each other with pipe laying two ends, ground respectively with inlet, form the circulating pipe system of proving installation.Close near the valve of water tank and the valve on the drainpipe, open the valve on the filling pipe, running water pipe is connected with filling pipe to the attemperater water filling; When the overflow pipe of water tank there are flowing out; Unlatching makes circulation line be full of water near the valve and the ON cycle water pump of water tank, and the gas in the pipeline is discharged through air release; Close the valve on the filling pipe, close water circulating pump.In order to reduce boring and ground pipe laying water filling disturbance to ground temperature, the accuracy that improves measurement result, whole testing device must leave standstill 1-2 days again, was beneficial to ground temperature and returned to original state.
2. test job.
Pipe laying is opened temperature controller when soil dispels the heat on simulation summer condition ground, sets the water temperature in the water tank; The work of temperature controller control electric heater, after water temperature reaches setting value in the water tank, the ON cycle water pump; And the discharge of setting water circulating pump, begin test.Behind proving installation import and export water temperature stability, the DATA REASONING pen recorder is every at a distance from one hour, the import and export water temperature of a proving installation of record, and import and export hydraulic pressure, discharge, each of soil layer temperature, continuous recording finished the heat radiation test after 24 hours.
When pipe laying is to the soil heat-obtaining on simulation winter condition ground, open temperature controller and refrigerating plant, set the water temperature in the water tank; The work of temperature controller control electric heater, after water temperature reaches setting value in the water tank, the ON cycle water pump; And the discharge of setting water circulating pump, begin test.Behind proving installation import and export water temperature stability, the DATA REASONING pen recorder is every at a distance from one hour, the import and export water temperature of a proving installation of record, and import and export hydraulic pressure, discharge, each of soil layer temperature, continuous recording finished the heat-obtaining test after 24 hours.
3. pipe laying heat and the hot rerum natura of soil confirms.
According to the test figure of test record, utilize the program of establishment in the computing machine, calculate the coefficient of heat transfer of ground pipe laying heat and soil.The computing formula that adopts following:
Ground pipe laying heat Q
Q＝ρ×V×C
p×Δt
In the formula, Q-ground pipe laying heat, kW;
The density of ρ-water, kg/m
3
The volumetric flow rate of V-water, m
3/ s;
C
pThe specific heat at constant pressure of-water, kJ/ (kg ℃);
The going out of Δ t-proving installation, the inlet water temperature temperature difference, ℃.
The average heat q of every meter pipe laying
q＝Q/l
In the formula, the heat of every meter length ground of q-pipe laying, kW/m;
L-ground pipe laying buried depth, m.
The Coefficient K of tested soil
In the formula, the tested soil heat transfer coefficient of K-, kW/ (m
2℃);
The buried bore of d-, m;
t
SpAverage water temperature in the-ground pipe laying, ℃;
t
TpThe medial temperature of-soil, ℃.
N-is arranged on the number of temperature sensor on the ground pipe laying one side outer wall;
The group number of N-experimental measurement data, the utility model are after the test operating mode is stable, and every at a distance from 1 hour record single test data, so continuous recording 24 hours is N=24;
t
I, j-Di i organizes the corresponding soil moisture of j temperature sensor, ℃
The utlity model has following good effect and technical characterictic:
1. accuracy of measurement is high.The electronic type temperature controller that adopts through the quantity of heat given up of temperature controller control electric heater, guarantees that the water temperature in the attemperater maintains setting value; Being provided with of stirrer increased the disturbance of water in the water tank, reduced the unevenness of distribution of water temperature in the water tank, the stability of water tank outlet water temperature when having improved test; Ground pipe laying outer wall uniformly-spaced is provided with one group of temperature sensor; Each test soil moisture is constantly got the arithmetic mean of this group temperature sensor reading; Simultaneously; When calculating the heat transfer coefficient of tested soil, the arithmetic mean of getting each test soil moisture is constantly guaranteed the accuracy of test data as the soil medial temperature.
2. applicability is wide.The heating power of electric heater is adjustable, the leaving water temperature scalable of attemperater, and water circulating pump is a variable frequency pump, can realize that unsteady flow measures examination, so this proving installation can adapt to the demands of different of different soils source heat pump engineering.
3. simple in structure, easy and simple to handle.
The utility model has guaranteed the stability of attemperater leaving water temperature in the actual test process of engineering and the rationality of soil moisture test; But the exchange capability of heat of real simulation soil source heat pump system ground pipe laying under soil heat-obtaining and two kinds of operational modes of heat release; Measure and result of calculation is accurate and precision is high, for the design of soil source heat pump provides basic data accurately and reliably.
Description of drawings
Fig. 1 is the theory structure synoptic diagram of proving installation;
Fig. 2 (a) is the agitator structure synoptic diagram; Fig. 2 (b) is the A-A view among Fig. 2 (a);
Fig. 3 is a pipe clamp fixed temperature sensor synoptic diagram;
Fig. 4 is the yoke configurations synoptic diagram.
Label among the figure: 1-attemperater; The 2-electric heater; The 3-heat exchange coil; The 4-refrigerating plant; The 5-air release; The 6-filling pipe; The 7-drainpipe; The 8-overflow pipe; The 9-liquid level gauge; The 10-stirrer; The 11-temperature controller; The 12-temperature controller; The 13-support; The 14-valve; The 15-electromagnetic flowmeter; The 16-pressure transducer; The 17-temperature sensor; The 18-valve; 19-water tank export pipeline; 20-ground pipe laying; 21-tank entry pipeline; The 22-valve; The 23-temperature sensor; The 24-pressure transducer; The 25-water circulating pump; The 26-valve; The 27-temperature sensor; The 28-sleeve pipe; The 29-lead-in wire; 30-DATA REASONING pen recorder; The 31-computing machine; The 32-clip; The 33-steel plate; The 34-bolt; The 35-nut; The 36-stainless steel stent.
Embodiment
Following embodiment can make those skilled in the art more comprehensively understand the utility model, but limits the utility model never in any form.
As shown in Figure 1, the utility model embodiment soil source heat pump ground pipe laying heat and the hot physical property measurement device of soil comprise circulating pipe system and test macro;
Said circulating pipe system comprises attemperater 1, water tank export pipeline and tank entry pipeline; Water tank export pipeline 19 is connected with ground pipe laying 20 to be measured respectively with tank entry pipeline 21, on water tank export pipeline and the tank entry pipeline valve is set all, wherein; Valve 14,18 is set on the water tank export pipeline; Valve 22,26 is set on the tank entry pipeline, and the tank entry pipeline is provided with water circulating pump 25, and the circulation power of water is provided;
On said water tank export pipeline, electromagnetic flowmeter 15 is set; On said water tank export pipeline and tank entry pipeline, pressure transducer and temperature sensor are set all; Wherein, Pressure transducer 16 and temperature sensor 17 are set on said water tank export pipeline; Pressure transducer 24 and temperature sensor 23 are set on said tank entry pipeline, and said electromagnetic flowmeter 15, said pressure transducer 16,24 link to each other with DATA REASONING pen recorder 30 through going between respectively with said temperature sensor 17,23, on the outer wall of said ground pipe laying 20 1 sides, are provided with sets of temperature sensors 27; Measuring the temperature of each stratified soil, each temperature sensor in this sets of temperature sensors 27 vertically is provided with after by branches such as ground pipe laying buried depths; The lead-in wire 29 of said sets of temperature sensors 27 is placed in the sleeve pipe 28, and 29 1 ends that go between link to each other with DATA REASONING pen recorder 30, and the other end passes sleeve pipe 28 and is connected with each temperature sensor in the sets of temperature sensors 27; DATA REASONING pen recorder 30 receives and also writes down corresponding temperature data, pressure data and data on flows, and said electromagnetic flowmeter 15, said pressure transducer, said temperature sensor and said sets of temperature sensors 27 constitute described test macro.After test finishes, 29 extraction recovery from sleeve pipe 28 will go between; According to the import and export water temperature that measures, the soil moisture and discharge data,, directly calculate the heat transfer coefficient of ground pipe laying heat and soil by computing machine 31 through the program of establishment.
Said sleeve pipe 28 near and abreast pipe laying 20 be provided with burying.
Said sets of temperature sensors 27 is fixed on the outer wall of ground pipe laying 20 through pipe clamp.
When said water circulating pump 25 is variable frequency pump, can realize that unsteady flow measures examination.
Said attemperater 1 is for having the rectangular parallelepiped or the cylindrical vessel of top cover; Said attemperater 1 is placed on the support 13.
Said attemperater 1 bottom is provided with drainpipe 7, and air release 5 and filling pipe 6 are set on the top cover.
The side of said attemperater 1 is provided with run-down pipe 8 and liquid level gauge 9.
In the practical application, attemperater 1 is arranged on the support 13, and water tank bottom leaves certain space like this, and this space can be provided with drainpipe 7 and refrigerating plant 4, after test finishes, can easily the water in the water tank be drained through drainpipe 7.
In the practical application,, can judge that circulation line blocks or leaks, and when above-mentioned abnormal conditions occurring, stops water circulating pump 25 through the pressure difference of proving installation entry and exit pressure transducer.
In the practical application, in order to reduce the unevenness of distribution of water temperature in the water tank, the stability of water tank outlet water temperature is provided with stirrer 10 when improving test in the water tank, and said stirrer is worked at test period always.Stirrer is an electric mixer.The agitator structure that present embodiment proposes, with reference to Fig. 2, equidistance arranges that two are stirred cages on the shaft, each stirs cage, and " the stainless steel column of [" shape is welded on the shaft and constitutes, and the angle between the adjacent stainless steel column is 60 ° by six.
In the practical application, each sensor in the sets of temperature sensors 27 is fixed on the ground pipe laying outer wall by pipe clamp, and the structure of the pipe clamp fixed temperature sensor that present embodiment proposes is with reference to Fig. 3.Pipe clamp is made up of stainless steel lathe dog 32, steel plate 33, bolt 34 and nut 35 with holes, tightens or loosers a bolt and can regulate the diameter of clip, to adapt to the ground pipe laying of different-diameter.Stainless steel stent 36 is drilled with a through hole, and temperature sensor is placed in the through hole, tightens through bolt to be fixed on the stainless steel stent.The structure of clip is as shown in Figure 4.
In the practical application, sets of temperature sensors 27 comprises 3-4 temperature sensor.
Below in conjunction with the process flow diagram 1 of the utility model, explain this proving installation geodetic pipe laying thermal discharge in summer and winter the heat-obtaining amount workflow:
The summer condition test: be filled to water tank overflow mouth liquid level through filling pipe 6 to attemperater 1, open valve 14,18,22,26, ON cycle water pump 25 makes circulation line be full of water, and the gas in the pipeline is closed water circulating pump 25 after discharging through air release 5.After leaving standstill 1-2 days, open temperature controller 11, set the water temperature in the water tank; The work of temperature controller 11 control electric heaters 2, after water temperature reaches setting value in the water tank, ON cycle water pump 25; And the discharge of setting water pump, beginning test, the water in the water tank is through water tank export pipeline inflow place pipe laying 20; Water is got back to water tank through the tank entry pipeline after giving soil heat release.Temperature controller 11 control electric heaters 2 produce heat, guarantee that (water temperature in water tank is higher than setting value to the interior water temperature stability of water tank, and the power of temperature controller 11 control electric heaters 2 reduces its quantity of heat given up, regulates temperature in setting value; Water temperature in water tank is lower than setting value, and the power of temperature controller 11 control electric heaters 2 improves its quantity of heat given up, regulates temperature).When the test operating mode reach stable after; Water circulated 24 hours between water tank and ground pipe laying again; Whenever at a distance from water yield of 1 hour data survey record device, 30 records; The import and export water temperature, import and export hydraulic pressure and each layer of soil temperature finally calculate water and discharge to the heat of soil and the heat transfer coefficient of soil through the ground pipe laying.
The winter condition test: be filled to water tank overflow mouth liquid level through filling pipe 6 to attemperater 1, open valve 14,18,22,26, ON cycle water pump 25 makes circulation line be full of water, and the gas in the pipeline is closed water circulating pump 25 after discharging through air release 5.After leaving standstill 1-2 days, open temperature controller 12 and refrigerating plant 4, set the water temperature in the water tank; The work of temperature controller 12 control electric heaters 2, after water temperature reaches setting value in the water tank, ON cycle water pump 25; And the discharge of setting water pump, beginning test, the water in the water tank is through water tank export pipeline inflow place pipe laying 20; Water is got back to water tank through the tank entry pipeline after absorbing heat from soil.In order to reduce equipment investment; Refrigerating plant 4 adopts fixed refrigerating plant frequently, simultaneously for fear of of the infringement of refrigerating plant frequent start-stop to compressor, and whole winter condition test process; Refrigerating plant 4 moves always; Cooperating through electric heater 2 guarantees that constant (when the water temperature in the water tank was lower than setting value, temperature controller 12 opening electric heaters 2 improved water temperature to the water temperature in the water tank; When the water temperature in the water tank was higher than setting value, temperature controller 12 cut out electric heater 2).When the test operating mode reach stable after; Water circulated 24 hours between water tank and ground pipe laying again; Whenever at a distance from water yield of 1 hour data survey record device, 30 records; The import and export water temperature, import and export hydraulic pressure and each layer of soil temperature finally calculate water and pass through the ground pipe laying from the heat of soil absorption and the heat transfer coefficient of soil.
The above; Be merely the preferable embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain of claim.
Claims (10)
1. soil source heat pump ground pipe laying heat and the hot physical property measurement device of soil is characterized in that this device comprises circulating pipe system and test macro;
Said circulating pipe system comprises attemperater (1), water tank export pipeline and tank entry pipeline; The water tank export pipeline is connected with ground pipe laying (20) to be measured respectively with the tank entry pipeline; On water tank export pipeline and the tank entry pipeline valve is set all, the tank entry pipeline is provided with water circulating pump (25);
Electromagnetic flowmeter (15) is set on said water tank export pipeline; On said water tank export pipeline and tank entry pipeline, pressure transducer and temperature sensor are set all; Said electromagnetic flowmeter (15), said pressure transducer and said temperature sensor link to each other with DATA REASONING pen recorder (30) through lead-in wire respectively; On the outer wall of said ground pipe laying (20) one sides, be provided with sets of temperature sensors (27), each temperature sensor in this sets of temperature sensors (27) vertically is provided with after by branches such as ground pipe laying buried depths; The lead-in wire (29) of said sets of temperature sensors (27) is placed in the sleeve pipe (28), and lead-in wire (29) one ends link to each other with DATA REASONING pen recorder (30), and the other end passes sleeve pipe (28) and is connected with each temperature sensor in the sets of temperature sensors (27); Said electromagnetic flowmeter (15), said pressure transducer, said temperature sensor and said sets of temperature sensors (27) constitute described test macro.
2. proving installation according to claim 1 is characterized in that: said sleeve pipe (28) near and abreast pipe laying (20) be provided with burying.
3. proving installation according to claim 1 is characterized in that: said sets of temperature sensors (27) is fixed on the outer wall of ground pipe laying (20) through pipe clamp.
4. proving installation according to claim 1 is characterized in that: said sets of temperature sensors (27) comprises 3-4 temperature sensor.
5. proving installation according to claim 1 is characterized in that: said water circulating pump (25) is a variable frequency pump.
6. proving installation according to claim 1; It is characterized in that: electric heater (2) and temperature controller (11,12) are set in the said attemperater (1); Said electric heater (2) is connected with temperature controller (11,12); The heating power of said electric heater (2) is adjustable, and said temperature controller (11,12) is the electronic type temperature controller; Said attemperater (1) bottom is provided with heat exchange coil (3), and said heat exchange coil (3) links to each other with refrigerating plant (4), and stirrer (10) is set in the said attemperater (1).
7. proving installation according to claim 6; It is characterized in that: equidistance arranges that two are stirred cage on the shaft of said stirrer (10); Each stirs cage, and " the stainless steel column of [" shape is welded on the shaft and constitutes, and the angle between the adjacent stainless steel column is 60 ° by six.
8. proving installation according to claim 1 is characterized in that: said attemperater (1) is for having the rectangular parallelepiped or the cylindrical vessel of top cover; Said attemperater (1) is placed on the support (13).
9. proving installation according to claim 1 is characterized in that: said attemperater (1) bottom is provided with drainpipe (7), and air release (5) and filling pipe (6) are set on the top cover.
10. proving installation according to claim 1 is characterized in that: the side of said attemperater (1) is provided with run-down pipe (8) and liquid level gauge (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200229182U CN202442821U (en) | 2012-01-16 | 2012-01-16 | Soil source heat pump buried pipe heat exchanging and soil thermal property testing apparatus |
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|---|---|---|---|
| CN2012200229182U CN202442821U (en) | 2012-01-16 | 2012-01-16 | Soil source heat pump buried pipe heat exchanging and soil thermal property testing apparatus |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879425A (en) * | 2012-10-25 | 2013-01-16 | 东南大学 | System and method for testing comprehensive heat conductivity coefficient and specific heat capacity of rock-soil body |
| 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 |
| CN107607577A (en) * | 2017-09-28 | 2018-01-19 | 中国煤炭地质总局水文地质局 | A kind of hot physical property testing device of stratum exchange capability of heat |
| CN109141952A (en) * | 2018-09-06 | 2019-01-04 | 陕西延长石油国际勘探开发工程有限公司 | A kind of U-shaped well formula performance testing device of heat exchanger of mid-deep strata and method |
| CN109632872A (en) * | 2018-12-05 | 2019-04-16 | 新奥数能科技有限公司 | A kind of geo-thermal response test system and method based on thermoelectric cooling unit |
| CN110243858A (en) * | 2019-06-10 | 2019-09-17 | 佛山科学技术学院 | A kind of plant fluid flow test device and its detection method |
| CN112763101A (en) * | 2020-12-24 | 2021-05-07 | 新乡市双诚环保设备有限公司 | Geothermal tunnel heat dissipation capacity detection device and detection method |
| CN114964551A (en) * | 2022-05-20 | 2022-08-30 | 河南省地质矿产勘查开发局第二地质环境调查院 | Ground source heat pump monitoring method |
| CN108414567B (en) * | 2018-06-11 | 2023-09-19 | 东北林业大学 | Double dynamic variable temperature heat source ground source heat pump experimental device |
| CN117451397A (en) * | 2023-12-22 | 2024-01-26 | 新南风加热制冷（沧州）有限公司 | Heater test fixture |
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2012
- 2012-01-16 CN CN2012200229182U patent/CN202442821U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879425A (en) * | 2012-10-25 | 2013-01-16 | 东南大学 | System and method for testing comprehensive heat conductivity coefficient and specific heat capacity of rock-soil body |
| 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 |
| CN107607577A (en) * | 2017-09-28 | 2018-01-19 | 中国煤炭地质总局水文地质局 | A kind of hot physical property testing device of stratum exchange capability of heat |
| CN108414567B (en) * | 2018-06-11 | 2023-09-19 | 东北林业大学 | Double dynamic variable temperature heat source ground source heat pump experimental device |
| CN109141952A (en) * | 2018-09-06 | 2019-01-04 | 陕西延长石油国际勘探开发工程有限公司 | A kind of U-shaped well formula performance testing device of heat exchanger of mid-deep strata and method |
| CN109632872A (en) * | 2018-12-05 | 2019-04-16 | 新奥数能科技有限公司 | A kind of geo-thermal response test system and method based on thermoelectric cooling unit |
| CN110243858A (en) * | 2019-06-10 | 2019-09-17 | 佛山科学技术学院 | A kind of plant fluid flow test device and its detection method |
| CN110243858B (en) * | 2019-06-10 | 2024-03-22 | 佛山科学技术学院 | Plant liquid flow detection device and detection method thereof |
| CN112763101A (en) * | 2020-12-24 | 2021-05-07 | 新乡市双诚环保设备有限公司 | Geothermal tunnel heat dissipation capacity detection device and detection method |
| CN114964551A (en) * | 2022-05-20 | 2022-08-30 | 河南省地质矿产勘查开发局第二地质环境调查院 | Ground source heat pump monitoring method |
| CN117451397A (en) * | 2023-12-22 | 2024-01-26 | 新南风加热制冷（沧州）有限公司 | Heater test fixture |
| CN117451397B (en) * | 2023-12-22 | 2024-04-02 | 新南风加热制冷（沧州）有限公司 | Heater test fixture |
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