CN207962829U - Heat-exchange system for drying equipment - Google Patents
Heat-exchange system for drying equipment Download PDFInfo
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- CN207962829U CN207962829U CN201820130819.3U CN201820130819U CN207962829U CN 207962829 U CN207962829 U CN 207962829U CN 201820130819 U CN201820130819 U CN 201820130819U CN 207962829 U CN207962829 U CN 207962829U
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Abstract
The utility model discloses a kind of heat-exchange systems for drying equipment comprising a major cycle pipeline, major cycle pipeline are connect with drying equipment, and circulating heat exchange system further includes：One the first pipe group is connected on main circulation pipe road；One the second pipe group is connected on main circulation pipe road；One first heater is set in the first pipe group, and is heated using the first mode of heating；One secondary heating mechanism is set in the second pipe group, and is heated using second of mode of heating；One the first valving is set in the first pipe group, and first heater is flowed through for controlling the heat transferring medium in major cycle pipeline；One the second secondary heating mechanism is set in the second pipe group, and secondary heating mechanism is flowed through for controlling the heat transferring medium in major cycle pipeline.The heat-exchange system of the utility model may optionally utilize different heating devices as heat source, to improve heat exchange efficiency, reduce the loss of energy.
Description
Technical field
The utility model is related to technical field of heat exchange, the more particularly, to heat-exchange system of drying equipment.
Background technology
Heat exchange is widely used in every field, but general heat-exchange system only includes a heating equipment (or for heat
Source), when one of heating equipment quota that breaks down or cannot be provided due to the influence of external environment or other factors is supplied
When hot, heat-exchange system will be forced to shut down or reduce the efficiency of heat exchange.
Utility model content
In view of the above-mentioned problems in the prior art, the utility model provides the heat-exchange system for drying equipment,
Different heating devices be may optionally utilize as heat source, to improve heat exchange efficiency, reduce the loss of energy.
In order to solve the above-mentioned technical problem, the utility model embodiment provides the heat-exchange system for drying equipment, packet
A major cycle pipeline is included, the major cycle pipeline is connect with a drying equipment, wherein the heat-exchange system further includes：
One the first pipe group is connected on the main circulation pipe road；
One the second pipe group is connected on the main circulation pipe road；
One first heater is set in the first pipe group, and is heated using the first mode of heating；
One secondary heating mechanism is set in the second pipe group, and is heated using second of mode of heating；And
One the first valving is set in the first pipe group, is situated between for controlling the heat exchange in the major cycle pipeline
Mass flow is through the first heater；
One the second valving is set in the second pipe group, for controlling changing in the major cycle pipeline
Thermal medium flows through the secondary heating mechanism.
The heat-exchange system for drying equipment of the utility model embodiment may optionally utilize different heating devices
As heat source, to improve heat exchange efficiency, the loss of energy is reduced.
Optionally, the first heater is a solar energy heat collection equipment, and the secondary heating mechanism is an electricity
Heater.The utility model embodiment is reduced using solar energy heat collection equipment as first heater merely with electric heater
As the loss of electric energy caused by electric heater unit, when also preventing solar energy heat collection equipment and being only used for heating, in non-heating season,
Its a large amount of heat source generated is unable to get utilization, and caused by the energy waste.
Optionally, the first pipe group includes a first branch and a second branch in parallel；First valve
Device includes first valve being set in the first branch and second valve being set in the second branch
Door.By the way that two branches in parallel are arranged and are set to the valve of branch road, allow heat transferring medium selectivity flows through first
Heating device, so that client selects heating equipment as needed.
Optionally, the first pipe group includes a first branch and a second branch in parallel；First valve
Device is a two-bit triplet reversal valve, and the major cycle pipeline is respectively communicated with described first by the two-bit triplet reversal valve
Branch and the second branch.By the way that two branches in parallel are arranged and are set to the valve of branch road, make heat transferring medium can be with
Selectivity flows through first heater, so that client selects heating equipment as needed.
Optionally, the second pipe group includes a third branch and the 4th branch in parallel, second heating
Device is located at third branch road；Second valving includes another two-bit triplet reversal valve, the main circulation pipe
Road is respectively communicated with the third branch and the 4th branch by another described two-bit triplet reversal valve.By the way that two parallel connections are arranged
Branch and be set to the valve of branch road, allow heat transferring medium selectivity flows through secondary heating mechanism, in favor of client
Selection heating equipment as needed.
Optionally, the heat-exchange system further includes a cooling device, is located at the 4th road.The cooling dress
The setting set can be dropped when the temperature of the heat transferring medium in the major cycle pipeline is higher than systemic presupposition temperature for heat transferring medium
Temperature, to ensure the stability of heat exchange medium temperature.
Optionally, the heat-exchange system further includes a heat exchanger, the cold flow side access described first of the heat exchanger
The hot-fluid side of branch, the heat exchanger is connected to the circulating line of the solar energy heat collection equipment；
One flow control valve is located at the arrival end on the hot-fluid side of the heat exchanger.
By the way that the heat exchanger is arranged, easily the thermal energy exchange that solar energy heat collection equipment stores can be followed to the master
Heat transferring medium in endless tube road.
Optionally, the heat-exchange system further includes a temperature sensor and a temperature controller, and the temperature sensor is set
It is placed in main circulation pipe road, the temperature controller and the temperature sensor device, the flow control valve and two described
Three-way diverter valve communicates to connect, to receive the temperature signal that the temperature sensor is acquired, the temperature controller and the stream
Control valve and reversal valve communicate to connect, and opening angle and the institute of the flow control valve are controlled according to the temperature signal
State the switching direction of two-bit triplet reversal valve.The setting of temperature controller can realize the automatic and accurate control to whole system temperature,
Realize the convenience and feasibility of operation.
Optionally, the flow control valve is pneumatic ball valve, proportioning valve or shut-off valve；First valve and the second valve
It is manual ball valve.
Optionally, the first pipe group is located at the upstream of the second pipe group.
Description of the drawings
Fig. 1 is the structural schematic diagram of the heat-exchange system for drying equipment of the utility model embodiment.
Reference sign
1- drying equipments；2- major cycle pipelines；3- heat exchangers；4- electric heaters；The 5- first branchs；6- the second branches；7-
First valve；The second valves of 8-；9- solar energy outlet tubes road；10- solar energy liquid back pipes road；11- third branches；12- the 4th
Road；The 4th valves of 13-；14- cooling devices；15- flow control valves；16- temperature sensors；17- pair circulation lines；18- liquid storages
Case；19- circulating pumps；20- make-up valves；21- air bleeding valves；22- liquid feed valves；23- returns liquid valve；24- check valves.
Specific implementation mode
In order to which the technical features, objects and effects to the utility model embodiment are more clearly understood, with reference to
Specific embodiment of the present utility model is illustrated, but not as the restriction to the utility model.
In the present invention, " first ", " second " etc. are only used for mutual differentiation, rather than indicate their significance level
And sequence etc..
The heat-exchange system for drying equipment of the utility model embodiment as shown in Figure 1 a comprising major cycle
Pipeline 2, drying equipment 1 are connect with major cycle pipeline 2, after circulation has heat transferring medium, heat transferring medium to be heated in major cycle pipeline 2
For providing thermal energy for drying equipment 1.Wherein, drying equipment 1 or other use hot terminal, such as heating be arranged etc..It should
Heat transferring medium can be conduction oil.
The heat-exchange system of the utility model embodiment further includes：One the first pipe group, a second pipe group, one first plus
Thermal, a secondary heating mechanism, first valving and second valving.First pipe group is connected on master and follows
On endless tube road 2, that is, the first pipe group accesses on major cycle pipeline 2 in series as a whole；Second pipe group is connected on master and follows
On endless tube road 2, that is, the second pipe group accesses on major cycle pipeline 2 in series as a whole；First heater is set to
In first pipe group, and heated using the first mode of heating；Secondary heating mechanism is set in the second pipe group, and is used second
Mode of heating heats；First valving is set in the first pipe group, is flowed through for controlling the heat transferring medium in major cycle pipeline 2
First heater；Second valving is set in the second pipe group, is flowed through for controlling the heat transferring medium in major cycle pipeline 2
Secondary heating mechanism.
The utility model embodiment is by being arranged two heating devices, so as to select one of them according to actual conditions
Heating device is 1 heat supply of drying equipment, or it is 1 heat supply of drying equipment to select two heating devices simultaneously, can to improve
Operability, when one of heating device cannot be 1 heat supply of drying equipment due to self reason, extraneous factor, or wherein
When one heating device needs to provide thermal energy for other other heating equipments, the heat exchange of the utility model embodiment is not interfered with
The normal work of system.
The type of two heating devices is different, i.e. the first mode of heating and second of mode of heating is different.Such as first
Heating device is a solar energy heat collection equipment (not shown), and secondary heating mechanism is an electric heater 4.The present embodiment
Solar energy heat collection equipment be used to heat for workshop or resident family in Heating Season, and its a large amount of heat source generated in summer in order to prevent
Waste, uses it for heat-exchange system, for industrial production, such as vacuum drying process shown in the present embodiment Fig. 1.When
So, first heater and secondary heating mechanism can also use other mode of heatings, such as burning petroleum, natural gas etc.,
This is repeated no more.
Solar energy heat collection equipment is not shown in Fig. 1 of the present embodiment, structure same as the prior art may be used.
Solar energy heat collection equipment includes mainly heat collector, energy storage canister and circulating line, and being recycled in circulating line has by solar energy heating
Fluid, fluid can be selected according to different region temperature, for example, colder area, fluid may be used in winter
The lower conduction oil of solidification point (will hereafter illustrate) by taking conduction oil as an example, and relatively warm area in winter, fluid
Water and antifreezing agent may be used.Moreover, solar energy heat collection equipment its operating temperature highest in system design can reach 200
DEG C, fully achieve general manufacturing technique requirent.Secondly when fine irradiation level is more than 300 DEG C, solar energy heating
The heating power of equipment is 1500KW, can meet the power requirement of the heating of drying equipment 1, and can be that system accumulation of energy ensures system
The night heating demand of system.
First valving and the second valving of the present embodiment can realize control two by a variety of set-up modes
A heating device is selectively or simultaneously 1 heat supply of drying equipment.The specific setting of first valving and the second valving
Mode and type will be described in detail later.
As shown in Figure 1, the first pipe group of the utility model embodiment includes the first branch 5 and the second branch 6 in parallel.This
Embodiment can be defined as follows：First pipe group and the junction of major cycle pipeline 2 belong to the first pipe group.First valving packet
It valve 7 and the second valve 8 for being set in the second branch 6 to include first be set in the first branch 5.First valve 7 can be with
The break-make of the first branch 5 is controlled, the second valve 8 can control the break-make of the second branch 5.
Heat-exchange system further includes heat exchanger 3 and flow control valve 15, and the cold flow side of heat exchanger 3 is accessed the first branch 5, changed
The hot-fluid side of hot device 3 is connected to the circulating line of solar energy heat collection equipment.The present embodiment is that one is drawn on circulating line
The hot-fluid side of heat exchanger 3 is accessed on solar energy outlet tube road 9 and a solar energy liquid back pipe road 10, solar energy outlet tube road 9
The outlet on the hot-fluid side of heat exchanger 3 is accessed on entrance, solar energy liquid back pipe road 10.The type of heat exchanger 3 is unlimited, such as plate-type heat-exchange
Device, shell-and-tube heat exchanger etc..Flow control valve 15 is located at the arrival end on the hot-fluid side of heat exchanger 3, the flow control of the present embodiment
Valve 15 processed uses pneumatic ball valve, naturally it is also possible to use proportioning valve or shut-off valve.
Hand-operated valve, which may be used, in first valve 7 and the second valve 8 can also use automatic valve.By in this present embodiment
One heating device provides thermal energy using solar energy heat collection equipment, and solar energy is used as inexpensive, environmentally protective, renewable and can not consume
The most energy preferentially uses first heater heat supply, the first valve 7 to maintain a normally open state in non-heating season, and the second valve 8
Normally off is kept, so that the heat transferring medium in major cycle pipeline 2 is flowed through first heater, is heated by first heater, that is,
First valve 7 and the second valve 8 need not be opened frequently, and therefore, the present embodiment uses that expense is low, and easy to operate is manual
Ball valve.Solenoid valve or pneumatic operated valve can certainly be selected as needed.
In first pipe group other than the first valving is set by mode shown in Fig. 1, the first valve 7 can also be cancelled
With the second valve 8, and one third valve only is set in the junction of the first pipe group and major cycle pipeline 2, third valve uses
Two-bit triplet reversal valve.Manual mode may be used in the two-bit triplet reversal valve, when in Heating Season, without using the first heating
Device heats, and two-bit triplet reversal valve commutates to conducting the second branch 6 and major cycle pipeline 2, and when non-heating season at this time, utilizes
First heater heats, and two-bit triplet reversal valve commutates to the conducting first branch 5 and major cycle pipeline 2 at this time.
Continuing with Fig. 1, electric heater 4 can be used in the secondary heating mechanism of the present embodiment, and the second pipe group includes in parallel
Third branch 11 and the 4th branch 12, electric heater 4 are set on third branch 11, and the 4th valve 13 can both be set to third
On branch 11, it can also be set to the junction of the upstream of 12 common access major cycle pipeline 2 of third branch 11 and the 4th branch,
The junction belongs to the second pipe group.When the 4th valve 13 is set on third branch 11, manual or Pneumatic ball may be used
Valve；When the 4th valve 13 is set to junction, reversal valve should be used.
In order to save the energy, in non-heating season, mainly first heater (solar energy heat collection equipment) is used to provide thermal energy.
It opens the first valve 7, close the second valve 8, the heat transferring medium in major cycle pipeline 2 is through the cold of 5 inflow heat exchanger 3 of the first branch
Fluid side, and in the circulating line of the solar energy heat collection equipment on the hot-fluid side of heat exchanger 3 conduction oil carry out heat exchange and
Heating, and then provide thermal energy for drying equipment 1.Since the temperature of the conduction oil in the circulating line of solar energy heat collection equipment is by day
Gas is affected, therefore its temperature has fluctuation (higher than the preset temperature of heat-exchange system or less than preset temperature), if first
The thermal energy that heating device provides cannot meet the needs of drying equipment 1, that is, can when the temperature of conduction oil is less than preset temperature
To open the 4th valve 13, make heat transferring medium again by secondary heating mechanism reheating, i.e. first heater and the second heating
Device heats simultaneously.When the temperature of conduction oil is higher than preset temperature, in order to ensure production safety and by the matter of dry products
Amount, referring to Fig. 1, cooling device 14 is additionally provided on the 4th branch 12 of the present embodiment.For the ease of switching secondary heating mechanism
With cooling device 14 so that heat transferring medium selectively flows through third branch 11 or the 4th branch 12, the 4th valve of the present embodiment
Door 13 uses two-bit triplet reversal valve, and two-bit triplet reversal valve is set to third branch 11 and the 4th branch 12 access master jointly
The junction of the upstream of circulation line 2.
In the heat-exchange system of Heating Season, the utility model embodiment thermal energy is provided using secondary heating mechanism.At this point, opening
Secondary heating mechanism closes the first valve 7, opens the second valve 8, and the heat transferring medium in major cycle pipeline 2 flows through the second branch
6, and it is not passed through heat exchanger 3, while solar energy heat collection equipment stops heat exchanging device 3 and provides conduction oil, solar energy heat collection equipment is only
For heating, to reach the heating requirement of user.
The heat-exchange system of the utility model embodiment is compared using the heating device of solar energy heat collection equipment alternatively property
In the heat-exchange system merely with electric heater 4 as heat source, reduce the loss of electric energy, improves the profit of solar energy heat collection equipment
With rate, prevents a large amount of heat sources generated in non-heating season from can not utilize, cause to waste.And the heat supply temperature of solar energy heat collection equipment
Degree is much lower relative to the temperature of electrical heating (temperature when unlatching is generally 350 DEG C or more), therefore exchange thermal medium has centainly
Protective effect.
Whether the thermal energy in order to monitor solar energy heat collection equipment offer automatically disclosure satisfy that the needs of drying equipment 1,
To automatically switch the direction of the 4th valve 13, control accuracy is improved, the heat-exchange system of the present embodiment further includes temperature sensor 16
With temperature controller (not shown).Temperature sensor 16 is set on major cycle pipeline 2, for acquiring in major cycle pipeline 2
The temperature signal of heat transferring medium；Temperature controller is communicated to connect with temperature sensor 16, flow control valve 15 and the 4th valve 13, with
The temperature signal that is acquired of temperature sensor 16 is received, and controls according to temperature signal the aperture and the of flow control valve 15 simultaneously
The switching of four valves 13 (two-bit triplet reversal valve), i.e. the present embodiment make flow control valve 15 and the 4th valve 13 link, with reality
The automation of existing heat exchange medium temperature accurately controls.
In non-heating season, when mainly providing thermal energy using first heater, temperature controller is to flow control valve 15 and the
The specific control mode of four valves 13 (two-bit triplet reversal valve) is：When the temperature of solar energy heat collection equipment does not reach setting temperature
When spending, flow control valve 15 is closed, and two-bit triplet reversal valve commutation heating direction is (that is, make heat transferring medium flow through the second heating dress
It sets).When the temperature of solar energy heat collection equipment reaches set temperature, turn-on flow rate control valve 15, the acquisition of temperature sensor 16 is changed
The oil temperature signal of thermal medium, and be compared with preset temperature value, when the temperature of heat transferring medium is less than preset temperature, two
Three-way diverter valve commutation heating direction；When the temperature of heat transferring medium is higher than preset temperature, the commutation cooling of two-bit triplet reversal valve
Direction；When the temperature of heat transferring medium is significantly larger than preset temperature (being more than overtemperature alarm temperature), flow control valve 15 is closed, and two
Position three-way diverter valve commutation cooling direction.
In addition, in order to accurately measure the temperature of the heat transferring medium into drying equipment 1, temperature sensor 16 is close to dry
Equipment 1 is arranged, and referring to Fig. 1, temperature sensor 16 is between the second pipe group and drying equipment 1, i.e., temperature sensor 16 is located at
The downstream of second pipe group.The first pipe group of the present embodiment is located at the upstream of the second pipe group, is situated between convenient for the second heating equipment heat exchanging
The reheating of matter or cooling.
In addition, the 4th valve 13 can not also use two-bit triplet reversal valve, but respectively in third branch 11 and the 4th
Pneumatic ball valve is set on branch 12, and temperature controller controls two pneumatic ball valves simultaneously, to realize secondary heating mechanism and cooling device
14 switching.
Continuing with Fig. 1, two the first valves 7 are set in the first branch 5, two the first valves 7 are respectively arranged at heat exchange
The both sides of device 3.When heat exchanger 3 is needed replacing or overhauled, by closing two the first valves 7, to cut off heat transferring medium.
As shown in Figure 1, the heat-exchange system of the present embodiment further includes liquid reserve tank 18, circulating pump 19, make-up valve 20, air bleeding valve
21, liquid feed valve 22 and time liquid valve 23, liquid reserve tank 18 are arranged on the secondary circulation line 17 in parallel with major cycle pipeline 2, make-up valve
20 and air bleeding valve 21 be arranged on secondary circulation line 17, by open make-up valve 20 with when needed be main circulation line
2 fill into heat transferring medium.Exhaust steam valve 21 is used to be discharged the gas in liquid reserve tank 18, major cycle pipeline 2 and secondary circulation line 17, to protect
Demonstrate,prove the production safety of heat-exchange system.Liquid feed valve 22 and time liquid valve 23 are arranged on major cycle pipeline 2, and the setting of liquid feed valve 22 is following
The downstream of ring pump 19, and between the second pipe group and drying equipment 1.Go back to the upstream that liquid valve 23 is set to circulating pump 19, and position
Between circulating pump 19 and the first pipe group.Circulating pump 19 is set on the major cycle pipeline 2 between the first pipe group and the second pipe group.
In addition, it is also respectively provided with check valve 24 on third branch 11 and the 4th branch 12, and to prevent when filling into heat transferring medium, heat exchange
Medium reverse flow in third branch 11 and the 4th branch 12.
The drying equipment 1 of the present embodiment can be vacuum dryer, for drying electric equipment products.The master of the present embodiment follows
Endless tube road 2 is arranged in the vacuum tank of vacuum dryer in detour shape, so as to sufficient heating, vacuum tank.
It should be appreciated that although this specification is described according to each embodiment, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is used for the purpose of for the sake of understanding, those skilled in the art answer
When considering the specification as a whole, the technical solution in each embodiment may also be suitably combined to form people in the art
Other embodiments that member is appreciated that.
The feasible embodiment of a series of detailed description listed by this specification only for the utility model
Illustrate, they not to limit the scope of protection of the utility model, it is all without departing from the utility model skill spirit institute
The equivalent embodiments of work or change should be included in the scope of the utility model such as the combination, segmentation or repetition of feature
Within.
Claims (10)
1. for drying equipment heat-exchange system comprising a major cycle pipeline (2), the major cycle pipeline (2) with one
Drying equipment (1) connects, which is characterized in that the heat-exchange system further includes：
One the first pipe group is connected on the major cycle pipeline (2)；
One the second pipe group is connected on the major cycle pipeline (2)；
One first heater is set in the first pipe group, and is heated using the first mode of heating；
One secondary heating mechanism is set in the second pipe group, and is heated using second of mode of heating；And
One the first valving is set in the first pipe group, for controlling the heat transferring medium in the major cycle pipeline (2)
Flow through the first heater；
One the second valving is set in the second pipe group, for controlling the heat exchange in the major cycle pipeline (2)
Medium flows through the secondary heating mechanism.
2. heat-exchange system according to claim 1, which is characterized in that the first heater is a solar energy heating
Equipment, the secondary heating mechanism are an electric heater (4).
3. heat-exchange system according to claim 2, which is characterized in that the first pipe group includes one first of parallel connection
Road (5) and a second branch (6)；First valving includes one first be set in the first branch (5)
Valve (7) and second valve (8) being set in the second branch (6).
4. heat-exchange system according to claim 2, which is characterized in that the first pipe group includes one first of parallel connection
Road (5) and a second branch (6)；First valving one is two-bit triplet reversal valve, the major cycle pipeline (2)
It is respectively communicated with the first branch (5) and the second branch (6) by the two-bit triplet reversal valve.
5. heat-exchange system according to claim 3 or 4, which is characterized in that the second pipe group includes one in parallel the
Three branches (11) and the 4th branch (12), the secondary heating mechanism are located on the third branch (11)；Described second
Valving is another two-bit triplet reversal valve (13), and the major cycle pipeline (2) is changed by another described two-bit triplet
It is respectively communicated with the third branch (11) and the 4th branch (12) to valve (13).
6. heat-exchange system according to claim 5, which is characterized in that the heat-exchange system further includes：
One cooling device (14) is located on the 4th branch (12).
7. heat-exchange system according to claim 5, which is characterized in that further include：
The first branch (5) is accessed on the cold flow side of one heat exchanger (3), the heat exchanger (3), the heat exchanger (3)
Hot-fluid side is connected to the circulating line of the solar energy heat collection equipment；
One flow control valve (15) is located at the arrival end on the hot-fluid side of the heat exchanger (3).
8. heat-exchange system according to claim 7, which is characterized in that the heat-exchange system further includes a temperature sensor
(16) be set on the major cycle pipeline (2) with a temperature controller, the temperature sensor (16), the temperature controller with it is described
Temperature sensor (16), the flow control valve (15) and another described two-bit triplet reversal valve (13) communicate to connect,
To receive temperature signal that the temperature sensor (16) is acquired and control the flow control valve according to the temperature signal
(15) switching direction of opening angle and another two-bit triplet reversal valve (13).
9. heat-exchange system according to claim 7, which is characterized in that the flow control valve (15) is pneumatic ball valve, ratio
Example valve or shut-off valve；First valve (7) and the second valve (8) are manual ball valve.
10. according to the heat-exchange system described in any one of claim 1-4, which is characterized in that the first pipe group is located at described
The upstream of second pipe group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820130819.3U CN207962829U (en) | 2018-01-25 | 2018-01-25 | Heat-exchange system for drying equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820130819.3U CN207962829U (en) | 2018-01-25 | 2018-01-25 | Heat-exchange system for drying equipment |
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| CN207962829U true CN207962829U (en) | 2018-10-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189593A (en) * | 2019-06-28 | 2019-08-30 | 常州工学院 | A kind of accurate heat transfer comprehensive experimental device |
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2018
- 2018-01-25 CN CN201820130819.3U patent/CN207962829U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189593A (en) * | 2019-06-28 | 2019-08-30 | 常州工学院 | A kind of accurate heat transfer comprehensive experimental device |
| CN110189593B (en) * | 2019-06-28 | 2021-11-23 | 常州工学院 | Accurate heat transfer comprehensive experiment device |
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