CN208736687U - A kind of thermal performance test system - Google Patents
A kind of thermal performance test system Download PDFInfo
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- CN208736687U CN208736687U CN201821437680.3U CN201821437680U CN208736687U CN 208736687 U CN208736687 U CN 208736687U CN 201821437680 U CN201821437680 U CN 201821437680U CN 208736687 U CN208736687 U CN 208736687U
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Abstract
本实用新型公开了一种热性能测试系统，可以对大功率宽温域的蓄热装置的蓄/释热性能以及大型换热器的换热性能进行测试实验与性能评估。该系统由测控系统、热能产生与存储系统、稳压系统、被测装置组件和泵阀组件等组成，可在较宽温度压力范围下进行测试。该系统也可以模拟可再生能源等非稳态的热能输出，实现大规模中高温蓄热装置阵列性能测试和运行策略研究，并能满足压缩空气储能系统关键部件研发测试等工作。
The utility model discloses a thermal performance testing system, which can perform testing experiments and performance evaluation on the storage/release performance of a heat storage device with high power and a wide temperature range and the heat exchange performance of a large heat exchanger. The system is composed of measurement and control system, heat energy generation and storage system, voltage stabilization system, device under test components and pump valve components, etc. It can be tested under a wide temperature and pressure range. The system can also simulate unsteady heat energy output such as renewable energy, realize the performance test and operation strategy research of large-scale medium and high temperature heat storage device array, and can meet the research and development test of key components of compressed air energy storage system.
Description
Technical field
The utility model belongs to accumulation of heat or heat exchange property testing field, is related to a kind of thermal performance test system, can be to big function
Storage/latent heat releasing performance of the regenerative apparatus of the wide temperature range of rate and the heat exchange property of large heat exchanger carry out test experiments and comment with performance
Estimate.The system can also simulate the thermal energy output of the unstable state such as renewable energy, realize extensive high temperature regenerative apparatus array
Performance test and operation reserve research, and it is able to satisfy the work such as compressed-air energy-storage system critical component research and development test.
Background technique
Solar energy thermal-power-generating is the solar energy generation technology of the potentiality that grow a lot, and solar thermal collector handle is collected into
Solar radiant energy be changed into superheated steam through heat exchanger, produced electricl energy with traditional power cycle, have technology maturation,
Cost of electricity-generating is low and is easy the advantages of forming hybrid power system with fossil fuel.But due to the discontinuity round the clock of solar energy with
And as cloudy overcast and rainy and caused by unstability energy a series of problems, such as, to the steady of solar light-heat power-generation systematic electricity
Output produces very big influence.Therefore regenerative apparatus is arranged in solar heat power generation system is one of most efficient method.
Other than solar light-heat power-generation, energy storage field such as compressed-air energy storage also develops very swift and violent at present, it is benefit
Air is compressed to certain pressure by compressor with valley power to be stored in air accumulator, and high pressure is empty during peak of power consumption
Gas is generated electricity by expanding machine.In order to can be further improved the efficiency of system, can by the heat of compression by heat exchanger replace to
Recirculated water simultaneously stores, and heat is replaced to pressure-air by heat exchanger when generating electricity, improves expander inlet temperature, from
And it improves efficiency.Therefore heat exchanging device is needed to carry out Performance Evaluation, however there is no the height that power is greater than 10MW in the prior art
Intermediate temperature regenerator measuring table, in addition, the performance of some large heat exchangers can only be calculated and be assessed by the method for numerical simulation.
Therefore very urgent to the performance measurement demand of regenerative apparatus, heat exchanger in the market.
Utility model content
It, can be with the utility model proposes a kind of thermal performance test system for the disadvantages mentioned above and deficiency of the prior art
Test experiments and property are carried out to the storage/latent heat releasing performance of regenerative apparatus and the heat exchange property of large heat exchanger of high-power wide temperature range
It can assessment.The system can also simulate the thermal energy output of the unstable state such as renewable energy, realize extensive high temperature regenerative apparatus
Array performance test and operation reserve research, and it is able to satisfy the work such as compressed-air energy-storage system critical component research and development test.
The technical solution that the utility model is taken by solution its technical problem is:
A kind of thermal performance test system, to test the heat storage performance of regenerative apparatus or the heat exchange property of heat-exchanger rig, institute
The system of stating includes that thermal energy generates and storage unit, voltage regulation unit, part to be tested and measurement and control unit, which is characterized in that
-- the thermal energy generates and storage unit, including high temperature storage tank, low-temperature storage tank, high-temperature pump, cryogenic pump, high temperature flow
Measurement and control assembly, flowrate Measurement in Low Temperature and control assembly, electric heater, cooler, wherein
The high temperature storage tank, the inlet of low-temperature storage tank and electric heater are equipped with control valve at liquid outlet；
Inlet at the top of the part to be tested connects a high temperature feed liquor pipeline and a low temperature feed liquor pipeline simultaneously, described
The leakage fluid dram of part bottom to be tested connects an at least tapping line, the high temperature feed liquor pipeline, low temperature feed liquor pipeline, drain pipe
Valve is equipped on line；
The liquid outlet of the high temperature storage tank is successively added through high-temperature pump, high temperature flow measurement and control assembly, electricity by pipeline
Hot device is connected to the high temperature feed liquor pipeline of the part to be tested；
The liquid outlet of the low-temperature storage tank is by pipeline successively through cryogenic pump, flowrate Measurement in Low Temperature and control assembly, cooling
Device is connected to the low temperature feed liquor pipeline of the part to be tested；
The tapping line of the part to be tested feed liquor with the inlet of the high temperature storage tank, the low-temperature storage tank respectively
Mouth connection；
-- the voltage regulation unit, to carry out degassing processing to the test macro before activation and in test system
The stabilization of system pressure is maintained when uniting in operating status, the voltage regulation unit includes an at least high-pressure buffering pot, a condenser
With a liquid collecting tank, wherein
The air inlet of the high-pressure buffering pot is connected to high voltage stabilizing gas source,
Ventilation at the top of the blow vent of the gas outlet of the high-pressure buffering pot and the high temperature tank top, low-temperature storage tank
Air inlet connection at the top of mouth, liquid collecting tank,
It is equipped with valve at air inlet at the top of the gas outlet of the high-pressure buffering pot, liquid collecting tank,
It is blow vent at the top of the blow vent of the high temperature tank top, low-temperature storage tank, equal at the gas outlet at the top of liquid collecting tank
Equipped with relief valve,
The hot side of the condenser is located on the admission line of the liquid collecting tank, and the cold side of the condenser is passed through condensation
Water；
-- the measurement and control unit is at least generated with the thermal energy and high-temperature pump, the cryogenic pump, high temperature flow in storage unit
Measurement and control assembly, flowrate Measurement in Low Temperature and control assembly, electric heater, cooler and with it is each in the voltage regulation unit
Flow control valve communication connection, and each component is controlled according to feedback information；
Temperature sensor and pressure sensor are at least set at the part inlet to be tested, liquid outlet, it is each described
Temperature sensor, pressure sensor are communicated to connect with the measurement and control unit, and the measurement and control unit passes through to described to be tested
Temperature, pressure and flow parameter at part inlet, liquid outlet carry out real-time measurement and record, and are analyzed and handled, with
Realize the test to the part hot property to be tested and Performance Evaluation.
Preferably, the above-mentioned thermal performance test system of the utility model, when the part to be tested be regenerative apparatus, treat
When surveying regenerative apparatus progress accumulation of heat and latent heat releasing performance test, process is included at least:
In accumulation of heat testing process, the high-temperature liquid state heat transfer medium in the high temperature storage tank is passed through by high-temperature pump conveying
It is flowed into after the electric heater in the regenerative apparatus to be measured and completes heat-accumulating process, the low temperature being discharged from the regenerative apparatus to be measured
Liquid heat transfer medium flows back to the low-temperature storage tank；
In heat release testing process, the low temperature liquid heat transfer medium in the low-temperature storage tank is passed through by cryogenic pump conveying
Completion heat release process in the regenerative apparatus to be measured is flowed into after the cooler, the high-temperature liquid being discharged from the regenerative apparatus to be measured
State heat transfer medium flows back to the high temperature storage tank；
During accumulation of heat and heat release, the measurement and control unit is to the temperature at the regenerative apparatus inlet to be measured, liquid outlet
The parameters such as degree, pressure and flow carry out real-time measurement and record, and are analyzed and handled, and are filled with realizing to the accumulation of heat to be measured
The accumulation of heat set and heat release experiment test and Performance Evaluation.
Preferably, the above-mentioned thermal performance test system of the utility model, when the part to be tested is heat-exchanger rig, to
The leakage fluid dram for surveying heat-exchanger rig connects a high temperature tapping line and a low temperature tapping line, the high temperature tapping line and low temperature row
Liquid pipe line is connected to the inlet of the high temperature storage tank and low-temperature storage tank；When the heat exchange property to the heat-exchanger rig to be measured is surveyed
When examination, the low temperature heat transfer fluid in the low-temperature storage tank passes through the low temperature through the cooler under the driving of the cryogenic pump
Feed liquor pipeline flows into the cold side of the heat-exchanger rig to be measured, and by the high temperature tapping line of the heat-exchanger rig to be measured flow out into
Enter the low-temperature storage tank；At the same time, the high temperature heat transfer fluid in the high temperature storage tank is under the driving of the high-temperature pump through institute
The hot side of the heat-exchanger rig to be measured is flowed by the high temperature feed liquor pipeline after stating electric heater, and passes through the heat exchange to be measured
The low temperature tapping line of device flows into the high temperature storage tank, thus realize the heat exchange property of heat-exchanger rig to be measured is measured and
Assessment.
Preferably, the above-mentioned thermal performance test system of the utility model further includes high temperature fluid preparation flow, cryogen
Preparation flow, high temperature fluid self-loopa process, cryogen self-loopa process etc..
Further, the cryogenic heat transfer stream when the system is in high temperature fluid preparation flow, in the low-temperature storage tank
Body is flowed under the driving of the cryogenic pump in the electric heater, passes through the power regulation and temperature control to the electric heater
Low temperature heat transfer fluid, is heated to set temperature and flowed into the high temperature storage tank, which can ensure that the high temperature storage tank by system
In heat-transfer fluid volume and temperature.
Further, the high temperature heat transfer stream when the system is in cryogen preparation flow, in the high temperature storage tank
Body, which is flowed under the driving of the high-temperature pump in the cooler, to cool down, and is finally flowed into the low-temperature storage tank, the function
It can ensure that the volume and temperature of the heat-transfer fluid in the low-temperature storage tank.
Further, the cryogenic heat transfer when the system is in cryogen self-loopa process, in the low-temperature storage tank
Fluid, which is flowed under the driving of the cryogenic pump in the cooler, to cool down, last to be flowed into the low-temperature storage tank again,
The function can ensure that the temperature of the heat-transfer fluid in the low-temperature storage tank remains at a relatively low temperature.
Further, the heat-transfer fluid when the system is in high temperature fluid self-loopa process, in the high temperature storage tank
It flows under the driving of the high-temperature pump in the electric heater, is controlled by the power regulation and temperature of the electric heater,
Heat-transfer fluid is heated to set temperature and is flowed into the high temperature storage tank, which can ensure that the heat transfer in the high temperature storage tank
The temperature of fluid remains at a relatively high temperature.
Preferably, the high temperature storage tank, be equipped with liquid level emasuring device in low-temperature storage tank, the high-temperature pump, cryogenic pump
Entrance is equipped with filter.
Preferably, the high temperature flow measurement and control assembly, flowrate Measurement in Low Temperature and control assembly include a flow
Meter and one and the concatenated flow control valve of the flowmeter.
Preferably, the cold side of the cooler and cooling liquid circuit communication, and be equipped on the cooling fluid loop
With the flow control valve of measurement and control unit communication connection.
Preferably, the low-temperature storage tank can be consistent or inconsistent with the design parameter of high temperature storage tank；The low-temperature storage tank
It can be 2 or more, arrangement mode in parallel or series can be used；The high temperature storage tank can be 2 or more, can be used simultaneously
Connection or arranged in series mode；Arrangement mode in parallel or series can be used when can be 1 or more, 1 or more in the cryogenic pump；
Arrangement mode in parallel or series can be used when can be 1 or more, 1 or more in the high-temperature pump；The cryogenic pump and high temperature
Pump can be the combination of positive displacement pump, dynamical type pump and other types pump or three of the above pump.
Preferably, body of calming the anger is tieed up in storage in the high-pressure buffering pot, and at least at the gas outlet of the high-pressure buffering pot
One pneumatic filter is set.Preferably, the dimension calms the anger body as the one of which such as air, nitrogen, helium, argon gas or at least two
The mixing of kind.
Preferably, the high temperature storage tank, liquid heat transfer medium is stored in low-temperature storage tank, the liquid heat transfer medium is thermally conductive
Oil, high-temperature silicon oil, fused salt, water vapor, class ion fluid, methanol, liquid metal etc. it is one of or at least two it is mixed
It closes.
Preferably, the high temperature storage tank and low-temperature storage tank are inside holding formula or external thermal insulation formula；The high temperature storage tank and low temperature
Storage tank tank body can be the connection/of non-detachable welding or detachable flanged joint.
Preferably, the high temperature storage tank and low-temperature storage tank include at least one temperature measuring device, at least one pressure
Measuring device, at least one safety valve, at least one liquid injection port, at least one sewage draining exit；Preferably, the high temperature storage tank and low
The pressure-bearing range of warm storage tank is 0.01MPa-40.0MPa.
Preferably, the liquid collecting tank includes at least one temperature measuring device, at least one device for pressure measurement, at least one
A safety valve, at least one sewage draining exit.
Preferably, the cooler be plank frame, plate-fin structure, tube shell type structure or sped structure one kind or
Two kinds or more of combination；The cooler side is the mixture of high pressure gas and liquid heat transfer medium, and the other side is accumulation of heat
Flow back after the completion of process or heat release process be in a liquid state or gaseous heat transfer medium；Its heat exchange mode can be fair current, adverse current or
Both the mixed flow for including.
Preferably, the condenser be plank frame, plate-fin structure, tube shell type structure or sped structure one kind or
Two kinds or more of combination；The regenerator side is the mixture of high pressure gas and liquid heat transfer medium, and side is low temperature stream
Body or gas；Its heat exchange mode can be the mixed flow that fair current, adverse current or both all include.
Preferably, under interior heat-retaining condition, the material of pressure vessel inner casing is stainless for the low-temperature storage tank and high temperature storage tank
The nonmetallic materials of the heat-and corrosion-resistants such as the metal materials such as steel, aluminium, titanium or ceramics, pressure vessel enclosure material are metal material,
Such as stainless steel, carbon steel, aluminium alloy or inorganic non-metallic material one of such as ceramics, high temperature concrete or at least two group
It closes, thermal insulation material is filled between inner casing and shell；The low-temperature storage tank and high temperature storage tank are under outer heat-retaining condition, outside pressure vessel
Shell material is metal material, such as one in stainless steel, carbon steel, aluminium alloy or inorganic non-metallic material such as ceramics, high temperature concrete
Kind or at least two combination.
Preferably, the shell of the cooler, condenser and liquid collecting tank is the metal of high pressure resistant corrosion-and high-temp-resistant
Material, such as stainless steel, carbon steel, aluminium alloy or inorganic non-metallic material one of such as ceramics, high temperature concrete or at least two
Combination.
Preferably, the low-temperature storage tank, high temperature storage tank, surge tank, liquid collecting tank are cylindrical body or the resistance to height of sphere, high temperature resistant
Press corrosion resistant sealed pressure vessel.
The thermal performance test system of the utility model, working principle and process for using are as follows:
In advance, degassing processing is carried out to the system using voltage regulation unit, the air of internal system is drained；Liquid is passed
Thermal medium is injected into low-temperature storage tank or high temperature storage tank, injection rate be setting value after close exhaust valve, main pipeline in opening system
All valves.The gas flow regulating valve door in voltage regulation unit is adjusted, system is carried out to be forced into setting operating pressure.It is being
After system pressure reaches the pressure of setting, it is ensured that the valve that system is connected with atmosphere is in close state.To be measured set is connected simultaneously
It is standby, and processing is exhausted in device under test, is replaced with inert gas.
In Devices to test stage regenerator, high-temperature pump is first opened, makes liquid heat transfer medium by high temperature flow measurement and control
Enter electric heater after component processed, is allowed to heat liquid heat transfer medium, after heat-transfer fluid is heated to set temperature, stream
Enter part to be tested.Heat storage medium when part to be tested is regenerative apparatus, inside high temperature heat transfer fluid and part to be tested
Progress heat exchange is to be stored in the heat of heat-transfer fluid inside heat storage medium, the Low Temperature Liquid after heat to be transmitted to heat storage medium
State heat transfer medium flows back into low-temperature storage tank or high temperature storage tank by the leakage fluid dram of Devices to test bottom to complete a circulation, when
When as the inlet of Devices to test upper and lower ends and the temperature measuring device in exit value obtained, it is complete to be considered as heat-accumulating process
At, closing electric heater, and the valve being connected with Devices to test upper and lower ends is closed, high-temperature pump is closed, finally to complete to store
Thermal process.In the process, due to the liquid heat transfer medium of internal system and pressure stabilizing gas can due to the raising of temperature itself
Volume can be expanded, the pressure of system can be stepped up.After pressure rise to setting pressure, low-temperature storage tank or high temperature storage
Relief valve between tank and liquid collecting tank on pipeline automatically turns on, by high temperature and high pressure gas by regenerator/or without regenerator, condensation
It is stored in liquid collecting tank after device, after the pressure in liquid collecting tank reaches setting pressure, the relief valve for collecting high temperature storage tank upper end is automatic
It opens, the extra gas of tank interior is drained into environment.
In the Devices to test heat release stage, cryogenic pump is opened.Make liquid heat transfer medium by flowrate Measurement in Low Temperature and control
Enter cooler after component processed, be allowed to cool down liquid heat transfer medium, after heat-transfer fluid is cooled to set temperature, flows into
Heat storage medium inside test block, low temperature heat transfer fluid and part to be tested carries out heat exchange to the heat inside heat storage medium
Amount is taken out of, and the high-temperature liquid state heat transfer medium after absorbing the stored heat of heat storage medium passes through the leakage fluid dram of Devices to test bottom, stream
Low-temperature storage tank or high temperature storage tank are back to complete a circulation, when the inlet of Devices to test upper and lower ends and the temperature in exit
When as measuring device value obtained, it is considered as the completion of heat release process, closes the valve being connected with Devices to test upper and lower ends,
Cryogenic pump is closed, finally to complete heat release process.
In entire accumulation of heat and heat release stage, measurement and control unit in test macro all in system each main component, flow,
Pressure, temperature are measured and are automatically controlled, and temperature parameter inside device under test and pressure parameter measure and remember
Record.
Compared with the existing technology, the thermal performance test system of the utility model, the big, power bracket with use temperature range
Extensively, the advantages that Applicable media is wide, temperature control precision is high, flow control accuracy is high.The accumulation of heat of high-power wide temperature range can be filled
The heat exchange property of the storage/latent heat releasing performance and large heat exchanger set carries out test experiments and Performance Evaluation.It can be filled for high-temperature heat accumulation
Offer heat source/cold source is provided, unstable state process and temperature field characteristics measurement are carried out；High-temperature heat storage device and system are carried out in difference
Performance test and survey under temperature, pressure, flow are examined；Extensive high temperature regenerative apparatus array performance test can also be carried out simultaneously
With operation reserve research etc. work.Due to These characteristics, the above-mentioned test macro of the utility model is suitable for but is not limited to the sun
Can heat generating system, industrial exhaust heat high temperature, the high power heat accumulation equipment, heat exchange equipment in thermmal storages secondary use such as utilize
Deng.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 2；
Fig. 3 is the structural schematic diagram of the utility model embodiment 3.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, develop simultaneously implementation referring to the drawings
The utility model is further described in example.
Embodiment 1
As shown in Figure 1, being the thermal performance test system embodiment 1 of the utility model, which is mainly used for accumulation of heat
The heat storage performance of device is tested, this system includes that measurement and control unit 111, thermal energy generate and storage unit, voltage regulation unit, to be measured
Regenerative apparatus 106.
Thermal energy generates and storage unit, including high temperature storage tank 101A, low-temperature storage tank 101B, filter 112A, 112B, pump
102A, 102B, electric heater 104, cooler 105, flow control assembly (including flowmeter 103A, 103B, flow control valve
110A,110B).Wherein, the leakage fluid dram punishment of the first inlet at the top of the high temperature storage tank 101A, the second inlet, bottom
It She You not valve 2,3,8；The leakage fluid dram of the first inlet, the second inlet, bottom at the top of the low-temperature storage tank 101B is punished
It She You not valve 5,4,10；Valve 13,14 is respectively equipped at the inlet of the electric heater 104, liquid outlet；The storage to be measured
The inlet at 106 top of thermal connects a high temperature feed liquor pipeline and a low temperature feed liquor pipeline, the regenerative apparatus to be measured simultaneously
The leakage fluid drams of 106 bottoms connects one first tapping line and one second tapping line simultaneously, the high temperature feed liquor pipeline, low temperature into
Valve 17,18,16,15 is respectively equipped on liquid pipe line, the first tapping line and the second tapping line；The high temperature storage tank 101A's
Leakage fluid dram by pipeline successively through filter 112A, high-temperature pump 102A, be made of flowmeter 103A and flow control valve 110A
First flow control assembly, electric heater 104 are connected to the high temperature feed liquor pipeline of the regenerative apparatus 106 to be measured；The low temperature
The leakage fluid dram of storage tank 101B is by pipeline successively through filter 112B, cryogenic pump 102B, by flowmeter 103B and flow control valve
The second flow control assembly of 110B composition, cooler 105 are connected to the low temperature feed liquor pipeline of the regenerative apparatus 106 to be measured；
The leakage fluid dram of the regenerative apparatus to be measured 106 passes through the first tapping line the first feed liquor with the high temperature storage tank 101A respectively
Mouthful, the connection of the first inlet of the low-temperature storage tank 101B, and by the second tapping line respectively with the high temperature storage tank 101A
The second inlet, the low-temperature storage tank 101B the second inlet connection.
Voltage regulation unit, to carry out degassing processing to the test macro before activation and be in the test macro
The stabilization of system pressure is maintained when operating status, the voltage regulation unit includes an at least high-pressure buffering pot 109, a condenser 108
With a liquid collecting tank 107, wherein the air inlet of the high-pressure buffering pot 109 is connected to high voltage stabilizing gas source, the high-pressure buffer
The gas outlet of tank 109 and blow vent, the blow vent at the top of low-temperature storage tank 101B, liquid collecting tank at the top of the high temperature storage tank 101A
The air inlet at 107 tops is connected to, and is equipped with valve at the gas outlet of the high-pressure buffering pot 109, the air inlet at 107 top of liquid collecting tank
Door 1,6, the blow vent at the top of the high temperature storage tank 101A, the blow vent at the top of low-temperature storage tank 101B, liquid collecting tank 107 top go out
Relief valve is equipped at port, the hot side of the condenser 108 is located on the admission line of the liquid collecting tank 107, the condensation
The cold side of device 108 is passed through condensed water, is equipped with flow control valve at the hot side import and cold side import of the condenser 108
110C、110D。
The regenerative apparatus to be measured 106 can be packed bed regenerative apparatus, and the packed bed regenerative apparatus includes shell, institute
It states that case top sets inlet, bottom sets leakage fluid dram, part flow arrangement and packed bed, the part flow arrangement setting is set in housing cavity
It is the packed bed filled with solid heat storage medium, main operational principle below the top of housing cavity, the part flow arrangement
Be: liquid heat transfer medium pass through part flow arrangement after, be atomized into fine drop or several tiny fluid columns, then with consolidating in packed bed
Body heat-storing material carries out heat exchange, the heat that the thermal energy storage in liquid heat transfer medium is got up or stored solid-state heat-storing material
It releases, to complete the accumulation of heat/of packed bed heat-storing device or the major function of heat release.
In advance, regenerative apparatus 106 to be measured and the other component of high-temperature heat accumulation test macro are connected, utilizes voltage regulation unit
Each pipeline and regenerative apparatus to be measured 106 to test macro carry out degassing processing, by the sky inside system and regenerative apparatus to be measured
Gas drains.The liquid injection port that liquid heat transfer medium is passed through to low-temperature storage tank 101B again, is injected into low-temperature storage tank 101B, injection rate is
Exhaust valve is closed after setting value, opens all valves of main pipeline in test macro.Adjust the gas flow tune in voltage regulation unit
Valve is saved, test macro is carried out to be forced into setting operating pressure.After system pressure reaches the pressure of setting, it is ensured that system with
The connected valve of atmosphere is in close state, while all valves of main pipeline are all ensured that and are in off state.
When needing the heat storage capacity to regenerative apparatus 106 to be measured to try, first all valves all passes on main pipeline
It closes, opens the valves such as 8,110A, 13,14,17,16,5 later, open high-temperature pump 102A, make the height in the high temperature storage tank 101A
Warm liquid heat transfer medium enters after the first flow control assembly by being made of flowmeter 103A and flow control valve 110A
Electric heater 104 is allowed to heat high-temperature liquid state heat transfer medium, after liquid heat transfer fluid is heated to set temperature, leads to
High temperature inlet tube line is crossed to flow into regenerative apparatus 106 to be measured, high temperature heat transfer fluid and solid heat storage medium carry out heat exchange to
The heat of heat-transfer fluid is stored in solid heat storage media interior, the low temperature liquid heat transfer after heat to be transmitted to solid heat storage medium
Medium flows back into low-temperature storage tank 101B to complete a circulation, when entering for 106 upper and lower ends of regenerative apparatus to be measured by valve 16
When at mouthful and as the temperature measuring device value obtained in exit, it is considered as heat-accumulating process completion, closes electric heater 104,
And the valve 17,16 being connected with 106 upper and lower ends of regenerative apparatus to be measured is closed, pump 102A is closed, finally to complete accumulation of heat
Journey.In the process, due to the liquid heat transfer medium of internal system and pressure stabilizing gas can due to the raising of temperature itself body
Product can be expanded, and the pressure of system can be stepped up.After pressure rise to setting pressure, low-temperature storage tank 101B or high temperature storage
Relief valve between tank 101A and liquid collecting tank 107 on pipeline automatically turns on, by high temperature and high pressure gas by regenerator/or without backheat
It is stored in liquid collecting tank 107 after device, condenser 108, after the pressure in liquid collecting tank 107 reaches setting pressure, on liquid collecting tank 107
The relief valve at end automatically turns on, and the extra gas of tank interior is drained into environment.
Before the latent heat releasing performance to regenerative apparatus 106 to be measured is tested, first all valves all passes on main pipeline
It closes, when beginning preparing to regenerative apparatus 106 to be measured progress latent heat releasing performance test, opens the valves such as valve 10,110B, 18,16,2
Door, then opens cryogenic pump 102B, makes liquid heat transfer medium in the by being made of flowmeter 103B and flow control valve 110B
Enter cooler 105 after two flow control assemblies, is allowed to cool down liquid heat transfer medium, be cooled in liquid heat transfer fluid
After set temperature, regenerative apparatus 106 to be measured is flowed into, the solid heat storage inside low temperature heat transfer fluid and regenerative apparatus 106 to be measured is situated between
Matter carries out height of the heat exchange to which the heat of solid heat storage media interior is taken out of, after absorbing the stored heat of solid heat storage medium
Warm liquid heat transfer medium passes through the leakage fluid dram of 106 bottom of regenerative apparatus to be measured, and passes through the first tapping line or the second drain pipe
Line flows back into high temperature storage tank 101A or low-temperature storage tank 101B to complete a circulation, when 106 upper and lower ends of regenerative apparatus to be measured
When as the temperature measuring device in inlet and exit value obtained, it is considered as the completion of heat release process, closes and accumulation of heat to be measured
Two valves 18 and 16 or 15 that 106 upper and lower ends of device are connected close cryogenic pump 102B, finally to complete heat release process.
In entire accumulation of heat and heat release stage, the TT&C system in high-temperature heat accumulation test macro is all to each main portion in system
Part, flow, pressure, temperature are measured and are automatically controlled, and temperature parameter and pressure parameter progress inside device under test
Measurement and record.
For further promoted the utility model above-mentioned high-temperature heat accumulation Performance Test System test performance, it is shown in FIG. 1
Test macro can also carry out the behaviour such as high temperature fluid preparation, cryogen preparation, high temperature fluid self-loopa, cryogen self-loopa
Make.
When carrying out high temperature fluid preparation flow, all valves being first shut off on main pipeline, later open 10,110B,
19, the valves such as 13,14,7,2, flowed under the driving that the liquid heat transfer fluid in low-temperature storage tank 101B passes through cryogenic pump 102B electricity plus
In hot device 104, is controlled by the power regulation and temperature of electric heater 104, low temperature heat transfer fluid is heated to set temperature simultaneously
It flows into high temperature storage tank 101A, which guarantees to maintain the heat-transfer fluid in high temperature storage tank 101A in certain volume and specific temperature
Under degree.
When carrying out cryogen preparation flow, all valves being first shut off on main pipeline, later open 8,110A,
19, the valves such as 20,5, inflow cooler 105 under the driving that the liquid heat transfer fluid in high temperature storage tank 101A passes through high-temperature pump 102A
In exchanged heat and cooled down with recirculated water, be finally flowed into low-temperature storage tank 101B, the function guarantee maintain low-temperature storage tank
Heat-transfer fluid in 101B is under certain volume and specific temperature.
When carrying out cryogen self-loopa process, all valves being first shut off on main pipeline, later open 10,
The valves such as 110B, 105,20,5, inflow cooler under the driving that the heat-transfer fluid in low-temperature storage tank 101B passes through cryogenic pump 102B
It is exchanged heat and is cooled down with recirculated water in 105, last to be flowed into low-temperature storage tank 101B again, which can ensure that low-temperature storage tank
Temperature in 101B remains at a relatively low temperature.
When carrying out high temperature fluid self-loopa process, all valves being first shut off on main pipeline, later open 8,110A,
13, the valves such as 14,7,2, the heat-transfer fluid in high temperature storage tank 101A flow into electric heater 104 under the driving of high-temperature pump 102A
In, it is controlled by the power regulation and temperature of electric heater 104, heat-transfer fluid is heated to set temperature and flows into high temperature storage tank
In 101A, which can ensure that the temperature in high temperature storage tank 101A remains at a relatively high temperature.
Embodiment 2
As shown in Fig. 2, unlike the first embodiment, the heat exchange property which is mainly used for exchanging thermal carries out
Test.The leakage fluid dram of heat-exchanger rig 106 to be measured connects a high temperature tapping line and a low temperature tapping line, high temperature tapping line and
Low temperature tapping line is connected to the inlet of high temperature storage tank 101A and low-temperature storage tank 101B；When to heat-exchanger rig 106 to be measured
When heat exchange property is tested, the low temperature heat transfer fluid in low-temperature storage tank 101B is logical through cooler 105 under the driving of cryogenic pump 102B
The cold side that low temperature inlet tube line flows into heat-exchanger rig 106 to be measured is crossed, and passes through the high temperature tapping line stream of heat-exchanger rig 106 to be measured
Enter low-temperature storage tank 101B out；At the same time, the high temperature heat transfer fluid in high temperature storage tank 101A is under the driving of high-temperature pump 102A
The hot side of heat-exchanger rig 106 to be measured is flowed by high temperature feed liquor pipeline after electric heater 104, and passes through heat-exchanger rig to be measured
106 low temperature tapping line flows into high temperature storage tank 101A, thus realize the heat exchange property of heat-exchanger rig to be measured is measured and
Assessment.
Embodiment 3
As shown in figure 3, being the high-temperature heat accumulation Performance Test System embodiment 3 of the utility model, this system is mainly by observing and controlling
Unit 111, thermal energy are generated to be formed with storage unit, dimension pressure unit, 106 4 major part of tested device test macro heat exchanger.Its
Middle thermal energy generates and contains three parallel connection type high temperature storage tank 101A1,101A2,101A3, three low-temperature storage tanks in parallel in storage unit
101B1,101B2,101B3, four 112A1,112A2 of filter, 112B1,112B2, pump four 102A1,102A2,102B1,
102B2, electric heater one 104, one 105, cooler, high temperature resistant flowmeter two 103A, 103B；Dimension pressure unit includes slow
Rush tank 109, condenser 108, liquid collecting tank 107；Wherein tested device is liquid liquid heat exchanger 106.The main work of the packed bed 106
It is to complete the energy exchange of two kinds of different liquids as principle, what side fluid temperature (F.T.) reduced is increased to side fluid temperature (F.T.) to reach
Purpose.High-temperature heat accumulation test macro further includes pressure-control valve 110A, 110B, 110C, 110D, 110E, while further including several
Temperature and device for pressure measurement.
In advance, Devices to test heat exchanger 106 and high-temperature heat accumulation test macro are connected, high temperature is stored using dimension pressure device
Thermal test system and packed bed carry out degassing processing, and the air inside system and packed bed is drained.Again by liquid heat transfer medium
It by the pouring orifice of pressure-bearing thermal-insulating type low-temperature storage tank, is injected into low-temperature storage tank, injection rate is beaten to close exhaust valve after setting value
Open all valves of main pipeline in test macro.The gas flow regulating valve door in dimension pressure system is adjusted, test macro is carried out
It is forced into setting operating pressure.After system pressure reaches the pressure of setting, it is ensured that the valve that system is connected with atmosphere, which is in, to close
Closed state, while all valves of main pipeline are all ensured that and are in off state.
When due to carrying out performance measurement to liquid liquid heat exchanger, needing cold and hot heat-transfer fluid, inflow heat exchanger is surveyed simultaneously
Amount.Therefore between starting to be tested, therefore, to assure that the oil of low-temperature storage tank and high temperature storage tank is all set temperature.Meet this
It is required that when all valves are all closed, need to open valve 21,22,23,110A, 32,33,27,2,3,4, open pump 102A1,
102A2 is then turned on electric heater 104, makes the liquid heat transfer fluid inside high temperature storage tank 101A1/2/3 by adding after electric heater
Heat to set temperature is flowed into high temperature storage tank, closes electricity after the heat-transfer fluid temperature in high temperature storage tank reaches set temperature
Heater turns off pump 102A1/2.
Be then shut off all valves, and open valve 24,25,26,110B, 35,5,6,7 etc., pump 102B1/2 is opened, is made
Liquid heat transfer fluid inside low-temperature storage tank 101A1/2/3 flows through after cooler 105 is cooled to set temperature is flowed into low temperature again
In storage tank, pump 102A1/2 is closed after the heat-transfer fluid temperature in high temperature storage tank reaches set temperature.
During testing liquid liquid heat exchanger, the high temperature fluid in high temperature storage tank 101A1/2/3 is by pump 102A1/2, stream
Heat exchanger side is entered by valve 17 after meter 103A, electric heater 104, inside Devices to test with the low temperature of the other side
Heat-transfer fluid carries out indirect heat exchange, and temperature is increased and is flowed into high temperature storage tank 101A1/2/3 by exchanger base valve 36；With
This simultaneously, cryogen in low-temperature storage tank 101B1/2/3 is led to after pump 102B1/2, flowmeter 103B and cooler 105
The other side that valve 18 enters heat exchanger 106 is crossed, carries out indirect heat exchange, temperature with the high temperature heat transfer fluid of its internal other side
It is flowed into low-temperature storage tank 101B1/2/3 after reduction by exchanger base valve 37.
In entire 106 test process of heat exchanger, the TT&C system in high-temperature heat accumulation test macro is all to each in system
Main component, flow, pressure, temperature are measured and are automatically controlled, and temperature parameter and pressure ginseng inside device under test
Number is measured and is recorded, and can be analyzed and be assessed with the performance parameter of device under test liquid liquid heat exchanger at any time.
Through the foregoing embodiment, the purpose of this utility model is completely effectively realized.Person skilled in art can be with
Understand that the utility model includes but is not limited to content described in attached drawing and the above specific embodiment.Although the utility model is
Just it is now recognized that the most practical and preferred embodiment is illustrated, it should be understood that the utility model be not limited to it is disclosed
The modification of embodiment, any function and structure principle without departing from the utility model is intended to be included in the range of claims
In.
Claims (10)
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| CN201821437680.3U CN208736687U (en) | 2018-09-03 | 2018-09-03 | A kind of thermal performance test system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057608A (en) * | 2019-04-15 | 2019-07-26 | 山东博然电力科技有限公司 | A kind of pilot system of air-water heat exchanger |
| CN111413126A (en) * | 2020-04-14 | 2020-07-14 | 中国科学院工程热物理研究所 | Heat accumulation experimental system and control and detection device thereof |
| CN119124686A (en) * | 2024-08-15 | 2024-12-13 | 佛山市芯耀环保科技有限公司 | A method and system for detecting heat storage and heat exchange performance |
-
2018
- 2018-09-03 CN CN201821437680.3U patent/CN208736687U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057608A (en) * | 2019-04-15 | 2019-07-26 | 山东博然电力科技有限公司 | A kind of pilot system of air-water heat exchanger |
| CN111413126A (en) * | 2020-04-14 | 2020-07-14 | 中国科学院工程热物理研究所 | Heat accumulation experimental system and control and detection device thereof |
| CN119124686A (en) * | 2024-08-15 | 2024-12-13 | 佛山市芯耀环保科技有限公司 | A method and system for detecting heat storage and heat exchange performance |
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