CN106442610B - Device and method for testing thermal characteristics of water-containing layer flow between rock and soil - Google Patents
Device and method for testing thermal characteristics of water-containing layer flow between rock and soil Download PDFInfo
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- CN106442610B CN106442610B CN201610640903.5A CN201610640903A CN106442610B CN 106442610 B CN106442610 B CN 106442610B CN 201610640903 A CN201610640903 A CN 201610640903A CN 106442610 B CN106442610 B CN 106442610B
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- 239000002689 soil Substances 0.000 title claims abstract description 98
- 238000012360 testing method Methods 0.000 title claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000011435 rock Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 74
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 238000002955 isolation Methods 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000009529 body temperature measurement Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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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
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- 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
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Abstract
The invention relates to a device and a method for testing the thermal characteristics of water-containing laminar flow between rock and soil. The device solves the technical problems that the existing measuring device cannot detect the water-containing laminar flow thermal characteristics among the rock and soil in real time. The digital conversion control transmitter comprises an address and temperature converter, a signal feedback line and a display module on a tester, the tester is connected with the heater through a heating power line, and the digital conversion control transmitter is internally provided with an address and power supply controller which is respectively connected with the display module and the heating control unit. The advantages are that: the vertical temperature distribution of the soil, the position of the aquifer between the rock and soil layers and the laminar flow thermal characteristics of the aquifer between the rock and soil can be measured, and the position of the aquifer between the rock and soil layers and the laminar flow thermal characteristics of the aquifer can be dynamically displayed in real time by analyzing the temperature of the soil and the temperature rise change of the soil.
Description
Technical Field
The invention belongs to the technical field of testing equipment for the flow thermal characteristics of soil water-containing layers, and particularly relates to a testing device and a testing method for the flow thermal characteristics of water-containing layers between rock and soil.
Background
The most important geological technical data in the design of the ground source heat pump system are the vertical soil temperature distribution condition of a buried pipe deeply buried in soil in the ground, the position condition of an aquifer between rock and soil layers and the flow heat characteristic. In general, before the system is designed, a thermophysical test is performed on the soil of an underground burial area where a project is located, so as to obtain an original temperature value of the soil and the thermophysical characteristics of the soil. In addition, after the construction of the underground pipe burying system of the project is completed and the underground pipe burying system is operated for a period of time, sampling test is carried out on the underground pipe burying system to detect the water temperature in the underground pipe burying system, and the temperature change of the soil and the change of the thermal characteristics of the soil in operation are judged according to the test water temperature of the underground pipe burying system.
In the application of ground source heat pump projects, a test device for stably monitoring underground vertical soil temperature distribution, the position of an aquifer between rock layers and flow heat characteristics for a long time is always lacking. The data measured by the device and the data analysis can help to design an initial system design which is more energy-saving, environment-friendly and stable; and counting and analyzing data such as the temperature change condition of the soil at the source side, the position condition of the aquifer between the rock and soil layers, the thermal characteristics of the aquifer and the like after the system is operated for a certain time, and taking the data as a reliable basis for adjusting and improving the operation strategy at the later stage of the system. The device can make the system achieve a continuous, stable and energy-saving degree. At present, a device for testing the flow thermal characteristics of water-containing layer between rocks and soil is not available temporarily.
In order to solve the problems existing in the prior art, long-term exploration is performed, and various solutions are proposed. For example, chinese patent literature discloses a soil thermophysical property parameter measuring apparatus and a measuring method [ application number: 201210320267.X ], the device comprising an electric heating cable disposed inside or on an outer wall of a U-shaped tube, the U-shaped tube being buried in soil, the electric heating cable being for providing heat to the soil; the temperature sensor group is arranged in the U-shaped pipe or on the outer wall of the U-shaped pipe and comprises a plurality of optical fiber temperature sensors arranged at intervals according to different depths; and the data acquisition controller is connected with each optical fiber temperature sensor in the temperature sensor group and is used for acquiring soil temperatures at different depth positions measured by each optical fiber temperature sensor.
The problem that the detection precision of the existing detection device is low has been solved to a certain extent to above-mentioned scheme, but this scheme still exists: and the problems of underground vertical soil temperature distribution, the position of an aquifer between rock and soil layers and the test of flow thermal characteristics cannot be stably monitored for a long time.
Disclosure of Invention
The invention aims to solve the problems, and provides a rock-soil water-bearing layer flow thermal property testing device which is simple and reasonable in structure and capable of monitoring vertical soil temperature distribution, positions of rock-soil water-bearing layers and flow thermal properties for a long time.
The invention also aims at solving the problems and provides a testing method for the flow thermal characteristics of the water-containing layer between the rock and the soil, which is convenient to operate and high in testing precision.
In order to achieve the above purpose, the present invention adopts the following technical scheme: this rock soil water-containing layer flow thermal property testing arrangement, including having the inner chamber and vertically burying the test tube body in soil, its characterized in that, test tube body on be equipped with a plurality of heating temperature measurement components downwards in proper order, every heating temperature measurement component all has the temperature sensor that can detect soil temperature information and can carry out the heater that heats to the position area that temperature sensor located, test tube in be equipped with a plurality of digital conversion control transmitters that correspond one by one with heating temperature measurement component downwards from last, digital conversion control transmitter include address and the temperature converter that links to each other with temperature sensor, address and temperature converter pass through signal feedback line and link to each other with the display module on the tester, the tester link to each other with the heater through the heating power cord, just digital conversion control transmitter in have address and power supply controller that link to each other with the heating power cord, address and power supply controller link to each other with display module and the heating control unit that sets up on the tester through the control cord respectively. The temperature sensor is packaged by a stainless steel shell, and is waterproof and dampproof. The stainless steel shell has a wall thickness of only 0.15mm, has small heat storage capacity, and is encapsulated by sealant with high heat conductivity, so that the high sensitivity and the small temperature delay of the temperature sensor are ensured. The temperature sensor supports a 'first-line bus' interface, the measuring temperature range is-55 ℃ to +125 ℃, the precision is +/-0.5 ℃ within the range of-10 ℃ to +85 ℃. The temperature of the soil is measured by the temperature sensor, namely, the initial temperature of each address position is measured by the temperature sensor, then each position or a certain position or a plurality of positions are heated by the heater, then the heated temperature is measured, the initial temperature and the heated temperature are compared to detect the position of the rock-soil aquifer and the flow heat characteristic of the aquifer, wherein the control line is a twisted data line and is formed by packaging four groups of copper wires which are mutually wound together in an insulating jacket, and the control line is mutually wound because the current exists in the metal line, namely, the data stream is actually generated, the electromagnetic field is generated when the metal line passes through, the positive magnetic field and the negative magnetic field are mutually offset, and the interference of signals is reduced. The twisted pair data line adopts STP, namely a shielding twisted pair, the maximum transmission distance of the twisted pair data line interface is not less than 150 meters, and the twisted pair data line has good anti-interference performance, temperature resistance and flame retardance.
In the device for testing the thermal characteristics of the water-containing layer flow between the rock and the soil, the display module comprises a temperature display unit and an address code display unit, wherein the temperature display unit is connected with the address and the temperature converter, and the address code display unit is respectively connected with the address and the temperature converter and the address and power supply controller.
In the device for testing the thermal characteristics of the water-containing layer flow between the rock and the soil, the heating control unit is a touch screen control unit arranged on the display module or the heating control unit is a heating control button arranged on the tester.
In the device for testing the water-containing layer flow thermal characteristics between the rock and soil, the test tube body is sequentially provided with a plurality of mounting holes which radially penetrate through the outer side wall of the test tube body at equal intervals from top to bottom, the heating temperature measuring assemblies are arranged in the mounting holes, and the ends of the heating temperature measuring assemblies are flush with the outer side wall of the test tube body. Therefore, the damage to the heating and temperature measuring component when the test tube body is buried can be prevented.
In the device for testing the water-containing layer flow thermal characteristics between the rock and the soil, the test tube body is internally provided with the isolation blocking component which is used for preventing water flow in the soil from flowing in the test tube body and can divide the inner cavity into a plurality of installation cavities for placing the digital conversion control transmitters from top to bottom in sequence.
In the device for testing the water-containing layer flow thermal characteristics between the rock and soil, the isolation blocking assembly comprises a plurality of elastic isolation rings which are sequentially and equidistantly arranged in the testing tube body from top to bottom, and each elastic isolation ring is arranged between two adjacent digital conversion control transmitters so as to separate the digital conversion control transmitters. The elastic isolation ring arranged between the digital conversion control transmitters overcomes the temperature detection error caused by uneven temperature distribution due to water convection in the test tube body.
In the device for testing the thermal characteristics of the water-containing layer flow between the rock and the soil, the length of the testing tube body is 50-150 meters, the digital conversion control transmitters are sequentially arranged at equal intervals from top to bottom, and the distance between two adjacent digital conversion control transmitters is 3-8 meters.
The method for testing the inter-rock-soil water-containing layer flow thermal property of the inter-rock-soil water-containing layer flow thermal property testing device is as follows: the method for testing the thermal characteristics of the water-containing layer flow between the rock and the soil is characterized by comprising the following steps:
A. embedding test tube and debugging test instrument: the method comprises the steps of vertically burying a test tube in soil, connecting a tester with a heater through a heating power line, connecting an address and temperature converter with a display module through a signal feedback line, and connecting an address and power controller with the display module and a heating control unit through control lines respectively;
B. initial temperature detection of each position of the soil layer: the heating control unit on the tester is closed, the heater is not started to work, the temperature is measured by the temperature sensor and then converted into a digital signal by the address and temperature converter, the temperature measured by each address code position is transmitted to the display module on the tester to be displayed by the signal feedback line, and the address code position number is transmitted to the display module on the tester to be displayed, so that the initial temperature of each position of the buried vertical soil layer is measured;
C. heating and detecting the temperature of each position of the soil layer after heating: starting a heating control unit on the tester, controlling an address and a power supply controller through a control line, starting a heater to work, heating the periphery of each address code for a period of time, measuring the temperature by a temperature sensor, converting the temperature into a digital signal through an address and temperature converter, and transmitting the measured temperature and the corresponding address to a display module on the tester through a signal feedback line;
D. temperature summary analysis: and summarizing the address codes and the corresponding temperatures, analyzing and summarizing the temperatures of the address codes when the heater is turned off and the temperatures of the address codes measured for a period of time after the heater is turned on, and obtaining the water-containing laminar flow thermal characteristics between the rock and the soil.
In the method for testing the thermal characteristics of the inter-rock-soil water-containing layer, in the step D, if the temperature measured by the heater corresponding to one or more address codes is still the initial temperature or the temperature rise is obviously smaller than the temperature rise corresponding to other address codes, the soil layer position where the address code is located is the position of the inter-rock-soil water-containing layer, and the thermal characteristics of the inter-rock-soil water-containing layer can be obtained by repeatedly performing test analysis on the data.
In the method for testing the thermal characteristics of the water-containing layer flow between the rock and the soil, the display module comprises a temperature display unit and an address code display unit, wherein the temperature display unit is connected with the address and temperature converter, and the address code display unit is respectively connected with the address and temperature converter and the address and power supply controller; the heating control unit is a touch screen control unit arranged on the display module or a heating control button arranged on the tester.
Compared with the prior art, the device and the method for testing the water-containing laminar flow thermal characteristics between the rock and the soil have the advantages that: by adopting the scheme, the vertical temperature distribution of the soil, the position of the aquifer between the rock and soil layers and the flow heat characteristics of the water-containing layer can be measured, the temperature and the temperature rise of the soil are analyzed through the temperature sensor, the electric heater and the digital conversion control transmitter, the position of the aquifer between the rock and soil layers and the flow heat characteristics of the water-containing layer are dynamically and real-timely displayed, a comprehensive analysis data system is formed, the design of more reasonable, efficient and energy-saving is carried out for the ground source heat pump system, and more sufficient and more reliable data basis is provided for ensuring the later operation efficiency of the system.
Drawings
Fig. 1 is a schematic diagram of a digital conversion control transmitter and a temperature sensor according to the present invention.
Fig. 2 is a schematic structural diagram of the tester provided by the invention.
FIG. 3 is a schematic diagram of the structure of the test tube according to the present invention.
In the figure, a heating power line 1, a control line 2, a signal feedback line 3, a test tube body 4, a digital conversion control transmitter 5, an elastic isolation ring 6, a heating temperature measuring component 7, a mounting hole 8, a display module 9, a temperature display unit 10, an address code display unit 11, a heating control unit 12, a tester 13, a heater 14, a temperature sensor 15, an address and temperature converter 16 and an address and power controller 17.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1-3, the device for testing the water-containing laminar flow thermal characteristics between the rock and the soil comprises a testing tube body 4 which is provided with an inner cavity and is vertically buried in the soil, preferably a PE tube is adopted, two ends of the testing tube body 4 are sealed, a plurality of heating temperature measuring components 7 are sequentially arranged on the testing tube body 4 from top to bottom, each heating temperature measuring component 7 is provided with a temperature sensor 15 which can detect the temperature information of the soil and a heater 14 which can heat the area where the temperature sensor 15 is positioned, a plurality of digital conversion control transmitters 5 which are in one-to-one correspondence with the heating temperature measuring components 7 are arranged in the testing tube body 4 from top to bottom, preferably, the length of the testing tube body 4 is 100 meters, the digital conversion control transmitters 5 are sequentially arranged at equal intervals from top to bottom, the distance between two adjacent digital conversion control transmitters 5 is 5 meters, namely 20 digital conversion control transmitters 5 are arranged in the test tube body, each digital conversion control transmitter 5 comprises an address and temperature converter 16 connected with a temperature sensor 15, the address and temperature converters 16 are connected with a display module 9 on a tester 13 through a signal feedback line 3, the tester 13 is connected with a heater 14 through a heating power line 1, an address and power controller 17 connected with the heating power line 1 is arranged in each digital conversion control transmitter 5, and the address and power controller 17 is respectively connected with a display module 9 and a heating control unit 12 arranged on the tester 13 through a control line 2.
Specifically, the temperature sensor 16 is packaged by a stainless steel shell, and is waterproof and dampproof. The stainless steel shell has a wall thickness of only 0.15mm, has small heat storage capacity, and is encapsulated by sealant with high heat conductivity, so that the high sensitivity and the small temperature delay of the temperature sensor are ensured. The temperature sensor 16 supports a "first-line bus" interface, measuring temperature range of-55 ℃ to +125 ℃, accuracy of + -0.5 ℃ within-10 to +85 ℃. The on-site temperature is directly transmitted in a digital mode of a 'first-line bus', the anti-interference performance of the system is greatly improved, the temperature sensor 16 is contacted with soil to measure the temperature of the soil, namely, the initial temperature of each address position is measured through the temperature sensor 16, then the heater 14 is used for heating each position or one or a plurality of address positions and then measuring the heated temperature, the initial temperature and the heated temperature are compared to detect the position of a rock-soil aquifer and the thermal characteristics of the aquifer, wherein the control line 2 is a twisted data line, the 2 control line is formed by packaging four groups of copper wires which are mutually wound together in an insulating jacket, and the mutual winding is performed because when the current exists in the metal line, namely, the data stream is actually generated, the electromagnetic field is generated through the passing, the positive magnetic field and the negative magnetic field generated by the two wires are mutually offset, and the interference of signals is reduced. The twisted pair data line adopts STP, namely a shielding twisted pair, the maximum transmission distance of the twisted pair data line interface is not less than 150 meters, and the twisted pair data line has good anti-interference performance, temperature resistance and flame retardance.
More specifically, the display module 9 in the present embodiment includes a temperature display unit 10 and an address code display unit 11, the temperature display unit 10 is connected to the address and temperature converter 16, and the address code display unit 11 is connected to the address and temperature converter 16 and the address and power supply controller 17, respectively; the heating control unit 12 is a touch screen control unit arranged on the display module 9 or the heating control unit 12 is a heating control button arranged on the tester 13. Further, the test tube body 4 is provided with a plurality of mounting holes 8 which radially penetrate through the outer side tube wall of the test tube body 4 from top to bottom at equal intervals, the heating temperature measuring assemblies 7 are arranged in the mounting holes 8, and the end parts of the heating temperature measuring assemblies 7 are flush with the outer side wall of the test tube body 4, so that damage to the heating temperature measuring assemblies 7 when the test tube body 4 is buried can be prevented.
Still further, the inside of the test tube body 4 in this embodiment is provided with an isolation blocking component for preventing water flow in the soil from flowing in the test tube body 4 and dividing the inner cavity into a plurality of installation cavities for placing the digital conversion control transmitters 5 from top to bottom in sequence, preferably, the isolation blocking component here may include a plurality of elastic isolation rings 6 which are arranged in the test tube body 4 from top to bottom in equal intervals sequentially, and each elastic isolation ring 6 is arranged between two adjacent digital conversion control transmitters 5 so as to separate each digital conversion control transmitter 5, and the elastic isolation rings 6 arranged between the digital conversion control transmitters 5 overcome temperature detection errors caused by uneven temperature distribution due to water convection in the test tube body 4.
The method for testing the thermal characteristics of the water-containing layer flow between the rock and the soil comprises the following steps of A, embedding a test tube body 4 and debugging a tester 13: the test tube body 4 is vertically buried in soil, the tester 13 is connected with the heater 14 through the heating power line 1, the address and temperature converter 16 is connected with the display module 9 through the signal feedback line 3, and the address and power controller 17 is connected with the display module 9 and the heating control unit 12 through the control line 2 respectively; B. initial temperature detection of each position of the soil layer: the heating control unit 12 on the tester 13 is closed, the heater 14 is not started to work, the temperature sensor 15 is used for measuring, the address and temperature converter 16 is used for converting the temperature into digital signals, the measured temperature of each address code position is transmitted to the display module 9 on the tester 13 for display through the signal feedback line 3, the address code position number is transmitted to the display module 9 on the tester 13 for display, and therefore the initial temperature of each position of the buried vertical soil layer is measured; C. heating and detecting the temperature of each position of the soil layer after heating: the heating control unit 12 on the tester 13 is started, the address and power supply controller 17 is controlled through the control line 2, the heater 14 is started to work, after heating the surrounding of each address code for a period of time, the temperature sensor 15 measures the temperature, then the temperature is converted into a digital signal through the address and temperature converter 16, and the measured temperature and the corresponding address are transmitted to the display module 9 on the tester 13 through the signal feedback line 3; D. temperature summary analysis: and D, if the temperature measured by the heater 14 corresponding to one or more address codes is still the initial temperature or the temperature rise is obviously smaller than the temperature rise corresponding to other address codes, the soil layer position of the address code is the rock-soil water layer position, and the data are repeatedly subjected to test analysis to obtain the rock-soil water layer flow thermal characteristics.
Specifically, the display module 9 includes a temperature display unit 10 and an address code display unit 11, the temperature display unit 10 is connected to the address and temperature converter 16, and the address code display unit 11 is connected to the address and temperature converter 16 and the address and power controller 17, respectively; the heating control unit 12 is a touch screen control unit arranged on the display module 9 or the heating control unit 12 is a heating control button arranged on the tester 13.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as the heating power line 1, the control line 2, the signal feedback line 3, the test tube body 4, the digital conversion control transmitter 5, the elastic isolation ring 6, the heating temperature measuring component 7, the mounting hole 8, the display module 9, the temperature display unit 10, the address code display unit 11, the heating control unit 12, the tester 13, the heater 14, the temperature sensor 15, the address and temperature converter 16, the address and power controller 17 are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (8)
1. The utility model provides a rock-soil water-containing layer flow thermal property testing arrangement, includes has inner chamber and vertical test tube body (4) of burying in soil, test tube body (4) adopt PE pipe, its characterized in that, test tube body (4) on be equipped with a plurality of heating temperature measurement components (7) from top to bottom in proper order, each heating temperature measurement component (7) all have can detect soil temperature information's temperature sensor (15) and can carry out heater (14) of heating to temperature sensor (15) place region, test tube body (4) in be equipped with a plurality of digital conversion control transmitter (5) that are equipped with one-to-one with heating temperature measurement component (7) from top to bottom in, digital conversion control transmitter (5) include address and temperature converter (16) that link to each other with temperature sensor (15), address and temperature converter (16) link to each other with display module (9) on tester (13) through signal feedback line (3), tester (13) link to each other with heater (14) through heating power cord (1), and digital conversion control transmitter (5) have address and power supply (17) that link to each other, the address and power supply controller (17) is connected with the display module (9) and the heating control unit (12) arranged on the tester (13) through the control line (2) respectively; the test tube body (4) is sequentially provided with a plurality of mounting holes (8) which radially penetrate through the outer side wall of the test tube body (4) at equal intervals from top to bottom, the heating temperature measuring assemblies (7) are arranged in the mounting holes (8), and the end parts of the heating temperature measuring assemblies (7) are flush with the outer side wall of the test tube body (4); the inside of the test tube body (4) is provided with an isolation blocking component which is used for preventing water flow in soil from flowing in the test tube body (4) and can divide the inner cavity into a plurality of installation cavities for placing the digital conversion control transmitter (5) from top to bottom in sequence.
2. The device for testing the thermal characteristics of the water-containing rock and soil laminar flow according to claim 1, wherein the display module (9) comprises a temperature display unit (10) and an address code display unit (11), the temperature display unit (10) is connected with an address and temperature converter (16), and the address code display unit (11) is respectively connected with the address and temperature converter (16) and an address and power supply controller (17).
3. The device for testing the thermal characteristics of the water-containing rock-soil laminar flow according to claim 2, wherein the heating control unit (12) is a touch screen control unit arranged on the display module (9) or the heating control unit (12) is a heating control button arranged on the tester (13).
4. A rock-soil water-containing laminar flow thermal property testing device according to claim 3, wherein the isolation blocking assembly comprises a plurality of elastic isolation rings (6) which are sequentially and equally arranged in the test tube body (4) from top to bottom, and each elastic isolation ring (6) is arranged between two adjacent digital conversion control transmitters (5) so as to separate the digital conversion control transmitters (5).
5. The device for testing the thermal characteristics of the water-containing layer flow between the rock and the soil according to claim 3, wherein the length of the test tube body (4) is 50-150 meters, the digital conversion control transmitters (5) are sequentially arranged at equal intervals from top to bottom, and the distance between two adjacent digital conversion control transmitters (5) is 3-8 meters.
6. The method for testing the inter-rock-soil aqueous layer flow thermal property of the inter-rock-soil aqueous layer flow thermal property testing device according to any one of claims 1 to 5, comprising the steps of:
A. embedding test tube (4) and debugging test instrument (13): the method comprises the steps of vertically burying a test tube (4) in soil, connecting a tester (13) with a heater (14) through a heating power line (1), connecting an address and temperature converter (16) with a display module (9) through a signal feedback line (3), and connecting an address and power supply controller (17) with the display module (9) and a heating control unit (12) through a control line (2) respectively;
B. initial temperature detection of each position of the soil layer: the heating control unit (12) on the tester (13) is closed, the heater (14) is not started to work, the temperature is measured by the temperature sensor (15) and then is converted into a digital signal by the address and temperature converter (16), the measured temperature of each address code position is transmitted to the display module (9) on the tester (13) to be displayed by the signal feedback line (3), and the address code position number is transmitted to the display module (9) on the tester (13) to be displayed, so that the initial temperature of each position of the buried vertical soil layer is measured;
C. heating and detecting the temperature of each position of the soil layer after heating: starting a heating control unit (12) on the tester (13), controlling an address and power supply controller (17) through a control line (2), starting a heater (14) to work, heating the periphery of each address code for a period of time, measuring the temperature by a temperature sensor (15), converting the temperature into a digital signal through an address and temperature converter (16), and transmitting the measured temperature and a corresponding address to a display module (9) on the tester (13) through a signal feedback line (3);
D. temperature summary analysis: and summarizing the address codes and the corresponding temperatures, analyzing and summarizing the temperatures of the address codes when the heater (14) is turned off and the temperatures of the address codes measured after the heater (14) is turned on for a period of time, and obtaining the flow thermal characteristics of the water-containing layer between the rock and the soil.
7. The method according to claim 6, wherein in the step D, if the temperature measured by the heater (14) after heating is still the initial temperature or the temperature rise is significantly smaller than the temperature rise corresponding to other address codes, the soil layer position where the address code is located is the rock-soil water layer position, and the data is repeatedly subjected to test analysis to obtain the rock-soil water layer flow thermal characteristics.
8. The method for testing the thermal characteristics of the water-containing rock-soil laminar flow according to claim 6, wherein the display module (9) comprises a temperature display unit (10) and an address code display unit (11), the temperature display unit (10) is connected with an address and temperature converter (16), and the address code display unit (11) is respectively connected with the address and temperature converter (16) and an address and power supply controller (17); the heating control unit (12) is a touch screen control unit arranged on the display module (9) or the heating control unit (12) is a heating control button arranged on the tester (13).
Priority Applications (1)
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1828012A (en) * | 2005-02-28 | 2006-09-06 | 施蓝姆伯格海外股份有限公司 | System and method of downhole thermal property measurement |
| CN102053103A (en) * | 2010-12-25 | 2011-05-11 | 浙江理工大学 | Method and device for testing thermophysical property parameters of rock and soil by drilling-in type in-situ layering |
| CN102071672A (en) * | 2010-12-25 | 2011-05-25 | 浙江理工大学 | Method and device for testing rock-soil thermo-physical parameter in penetration type in-situ layered mode |
| CN102650606A (en) * | 2012-05-03 | 2012-08-29 | 大连理工大学 | Optical sensing detection device and method for fluid medium interface |
| JP2014122818A (en) * | 2012-12-20 | 2014-07-03 | Chugoku Electric Power Co Inc:The | Soil's characteristic heat resistance measuring device, soil's characteristic heat resistance measuring method and soil's characteristic heat resistance measuring system |
| CN105136846A (en) * | 2015-08-14 | 2015-12-09 | 东南大学 | Rock-soil mass thermophysical parameter in-situ test instrument |
| CN105181742A (en) * | 2015-10-30 | 2015-12-23 | 哈尔滨工业大学 | Measuring device for linear heat source soil heat conductivity coefficients |
| CN205982150U (en) * | 2016-08-05 | 2017-02-22 | 浙江陆特能源科技股份有限公司 | Mobile thermal characteristics testing arrangement in water -bearing stratum between ground |
-
2016
- 2016-08-05 CN CN201610640903.5A patent/CN106442610B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1828012A (en) * | 2005-02-28 | 2006-09-06 | 施蓝姆伯格海外股份有限公司 | System and method of downhole thermal property measurement |
| CN102053103A (en) * | 2010-12-25 | 2011-05-11 | 浙江理工大学 | Method and device for testing thermophysical property parameters of rock and soil by drilling-in type in-situ layering |
| CN102071672A (en) * | 2010-12-25 | 2011-05-25 | 浙江理工大学 | Method and device for testing rock-soil thermo-physical parameter in penetration type in-situ layered mode |
| CN102650606A (en) * | 2012-05-03 | 2012-08-29 | 大连理工大学 | Optical sensing detection device and method for fluid medium interface |
| JP2014122818A (en) * | 2012-12-20 | 2014-07-03 | Chugoku Electric Power Co Inc:The | Soil's characteristic heat resistance measuring device, soil's characteristic heat resistance measuring method and soil's characteristic heat resistance measuring system |
| CN105136846A (en) * | 2015-08-14 | 2015-12-09 | 东南大学 | Rock-soil mass thermophysical parameter in-situ test instrument |
| CN105181742A (en) * | 2015-10-30 | 2015-12-23 | 哈尔滨工业大学 | Measuring device for linear heat source soil heat conductivity coefficients |
| CN205982150U (en) * | 2016-08-05 | 2017-02-22 | 浙江陆特能源科技股份有限公司 | Mobile thermal characteristics testing arrangement in water -bearing stratum between ground |
Non-Patent Citations (1)
| Title |
|---|
| 于孝民 等..《地下水对地埋管换热器换热性能的影响分析》.《河北工业大学学报》.2012,第第41卷卷(第第41卷期),第64-67页. * |
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