CN207439985U - The single-phase local heat transfer test platform of shell-and-tube heat exchanger - Google Patents
The single-phase local heat transfer test platform of shell-and-tube heat exchanger Download PDFInfo
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- CN207439985U CN207439985U CN201721414710.4U CN201721414710U CN207439985U CN 207439985 U CN207439985 U CN 207439985U CN 201721414710 U CN201721414710 U CN 201721414710U CN 207439985 U CN207439985 U CN 207439985U
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Abstract
The utility model discloses a kind of single-phase local heat transfer test platforms of shell-and-tube heat exchanger, including boiler, boiler connects hot-water heater and compressed air heater respectively, compressed air heater connects experiment component, hot-water heater is sequentially connected hot water water knockout drum, experiment component, hot water, hot water reconnects hot-water heater forming circuit, experiment component is also sequentially connected cooling water tank and cooling tower, cooling tower reconnects experiment component forming circuit, and experiment component is also associated with exhaust apparatus；Compressed air heater is also connected with air accumulator, and air accumulator is connected with air compressor machine.The utility model is using air-water as working media, and for shell-side by hot water or air, pipe side is passed through cooling water, completes heat exchanger thermal property and is tested with flow resistance characteristics.Test platform is built to complete the single-phase experiment of shell-and-tube heat exchanger, easy to operate, flexible modulation can carry out many-sided research by changing hot water, air and cooling water flow velocity, the exchange thermal efficiency.
Description
Technical field
The utility model belongs to heat exchanger technical field of measurement and test, more particularly to a kind of single-phase local heat transfer of shell-and-tube heat exchanger
Test platform.
Background technology
As modern science and technology include the hair of computer technology, the communication technology, sensing technology, modern control theory etc.
Exhibition, the gradual maturation of modern detecting, brand-new measuring technology have high-precision, real-time height, friendly interface, easy to operate etc.
Advantage is widely used in actual production and laboratory research；In recent years, as industrial production will for heat exchanger precision
The continuous improvement asked, the development and research of heat exchanger performance test platform develop quickly.
Utility model content
Purpose of utility model：The utility model provides a kind of single-phase local heat transfer test platform of shell-and-tube heat exchanger, with
Solve the problems of the prior art.
Technical solution：To achieve these goals, the utility model uses following technical scheme：
A kind of single-phase local heat transfer test platform of shell-and-tube heat exchanger, including boiler 8, the boiler 8 connects hot water respectively
Heater 7 and compressed air heater 9, the compressed air heater 9 connect experiment component 4, and the hot-water heater 7 is successively
Hot water water knockout drum 6, experiment component 4, hot water 5 are connected, hot water 5 reconnects hot-water heater 7 and is formed into a loop, the reality
It tests element 4 and is also sequentially connected cooling water tank 2, cooling tower 1 and cooling water separator 3, reconnection 4 shape of experiment component of cooling tower 1
Into circuit, the experiment component 4 is also associated with exhaust apparatus；
Further, the compressed air heater 9 is also connected with air accumulator 10, the free dry machine of the connection of air accumulator 10
11, air compressor machine 12 is also associated on empty dry machine 11.
Further, the hot-water heater 7 and compressed air heater 9 are also both provided with steam trap.
Further, the boiler 8 and hot-water heater 7, experiment component 4 and hot water 5, experiment component 4 and exhaust
Ball valve is both provided between device, cooling tower 1 and cooling water separator 3, empty dry machine 11 and air accumulator 10.
Further, it is provided with check valve between the experiment component 4 and cooling water tank 2.
Further, between the hot water water knockout drum 6 and experiment component 4, compressed air heater 9 and experiment component 4
Two groups of different regulating valves of open range, two flowmeters and two ball valves are parallel with, then a check valve and one of contacting successively
A ball valve.
Further, two sets of ball valves, two range of flows are parallel between the hot water 5 and hot-water heater 7 not
Same water pump and two check valves；Hot water circulating pump is provided on the hot-water heater 7.
Further, two sets of ball valves, two range of flow differences are parallel between the cooling water tank 2 and cooling tower 1
Water pump and two check valves, and connect there are one ball valve；Two are parallel between the cooling water separator 3 and experiment component 4
Group open range different regulating valve, two flowmeters and two ball valves；Cooling tower Xun Huan is additionally provided on the cooling tower 1
Pump.
Further, temperature-measuring port is both provided on the hot water 5, boiler 8 and air accumulator 10 and pressure surveys mouth；It is described
The inlet/outlet pipe road junction of experiment component 4 is both provided with temperature-measuring port and pressure surveys mouth.
Further, the regulating valve is all connected with the pneumatic valve port of air accumulator 10.
A kind of single-phase local heat transfer test method of shell-and-tube heat exchanger, including compressed air system, vapour system, cooling water
System and test system, comprise the following steps：
Air and water local heat transfer, start air compressor machine 12, adjust supply gas pressure, and a part supplies regulating valve, separately
A part enters experiment component 4 by compressed air heater 9；Start cooling tower 1 and cooling tower circulating pump, cooling water is from cold
But water tank 2 out flows through and enters experiment component 4 with pipeline using cooling water separator 3 after cooling tower 1 cools down；Finally,
Starting trouble 8, steam enter compressed air heater 9, air are heated, steam condensation Cheng Shui, are discharged from steam trap；
After flow, temperature, pressure stability, start data acquisition；After intraductal heat exchange terminates, air emptying is arranged by exhaust apparatus
Go out, cooling water returns to cooling water tank 2.
Water water local heat transfer starts air compressor machine 12, adjusts supply gas pressure, regulating valve is supplied, and starts hot water circuit
Pump, hot water enters hot-water heater 7 from hot water 5, afterwards into hot water water knockout drum 6, then it is last by mixer with pipeline
Into experiment component 4.Start cooling tower and cooling tower circulating pump, after cooling water out flows through cooling tower cooler from cooling water tank
Cooling water separator is arrived again enters experiment component 4 with pipeline；Finally, starting trouble 8, steam enter compressed air heating
Device 9, heats hot water, steam condensation Cheng Shui, is discharged from steam trap；After flow, temperature, pressure stability, start data
Acquisition；After heat exchange terminates in heat exchanger, hot water returns to hot water 5, and cooling water returns to cooling water tank.
Advantageous effect：Using air and water as working media, shell-side is passed through cold the utility model by hot water or air, pipe side
But water is completed heat exchanger thermal property and is tested with flow resistance characteristics.It is single-phase to complete shell-and-tube heat exchanger to build test platform
Experiment, easy to operate, flexible modulation can exchange the thermal efficiency and pressure drop carry out by changing hot water, air and cooling water flow velocity
Various aspects research.
Due to cooling water, hot water and compressed air be equipped with two different flow scopes water pump and dress there are two aperture models
The parallel flow paths of different startup regulating valves are enclosed, thus it is very wide for the condition range of adjusting, adapt to the various specified works of difference
The shell-and-tube heat exchanger of condition different range, can test water water- to-water heat exchanger can also test air-water heat exchanger.
In addition, this experiment can be monitored by each thermometer, pressure gauge and flowmeter surveyed temperature, pressure and flow,
The switch conditions of the water level and boiler of cooling water tank and hot water, cooling tower and each water circulating pump, and can monitor
Room carries out real-time display and preserves and handle relevant data, convenient to find the problem in concurrency processing system in time.In addition
The system directly can adjust the aperture of each pneumatic operated valve in monitoring room and change operating mode, operation so as to achieve the purpose that adjust flow
It is flexibly simple, securely and reliably.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the simplification figure of Fig. 1；
Wherein：1- cooling towers, 2- cooling water tanks, 3- cooling water separators, 4- experiment components, 5- hot waters, 6- heat
Water separator, 7- hot-water heaters, 8- boilers, 9- compressed air heaters, 10- air accumulators, the empty dry machines of 11-, 12- air compressor machines.
Specific embodiment
The utility model is further described with reference to embodiment.
As shown in Figure 1, a kind of single-phase local heat transfer test platform of shell-and-tube heat exchanger, including boiler 8, the boiler 8 divides
Not Lian Jie hot-water heater 7 and compressed air heater 9, the compressed air heater 9 connects experiment component 4, the hot water
Heater 7 is sequentially connected hot water water knockout drum 6, experiment component 4, hot water 5, and hot water 5 reconnects hot-water heater 7 and formed
Circuit, the experiment component 4 are also sequentially connected cooling water tank 2, cooling tower 1 and cooling water separator 3, cooling tower 1 and reconnect
Experiment component 4 is formed into a loop, and the experiment component 4 is also associated with exhaust apparatus；
The compressed air heater 9 is also connected with air accumulator 10, the free dry machine 11 of the connection of air accumulator 10, empty dry machine 11
On be also associated with air compressor machine 12, the air compressor machine 12 is screw air compressor.
The hot-water heater 7 and compressed air heater 9 are also both provided with steam trap.
The boiler 8 and hot-water heater 7, experiment component 4 and hot water 5, experiment component 4 and exhaust apparatus, cooling
Ball valve is both provided between tower 1 and cooling water separator 3, empty dry machine 11 and air accumulator 10.
Check valve is provided between the experiment component 4 and cooling water tank 2.
Two groups are parallel between the hot water water knockout drum 6 and experiment component 4, compressed air heater 9 and experiment component 4
The different regulating valve of open range, two flowmeters and two ball valves, then contact successively a check valve and a ball valve.
Be parallel between the hot water 5 and hot-water heater 7 the different water pump of two sets of ball valves, two range of flows and
Two check valves；Hot water circulating pump is provided on the hot-water heater 7.
The different water pump and two of two sets of ball valves, two range of flows is parallel between the cooling water tank 2 and cooling tower 1
A check valve, but there are one ball valves for series connection；Two groups of open ranges are parallel between the cooling water separator 3 and experiment component 4
Different regulating valve, two flowmeters and two ball valves；Cooling tower circulating pump is additionally provided on the cooling tower 1.
Temperature-measuring port is both provided on the hot water 5, boiler 8 and air accumulator 10 and pressure surveys mouth；The experiment component 4
Inlet/outlet pipe road junction be both provided with temperature-measuring port and pressure and survey mouth.The boiler 8 is electric heating steam boiler.
The regulating valve is all connected with the pneumatic valve port of air accumulator 10.Pneumatic control valve disclosure satisfy that from air accumulator
Air, tank hot water, cooling tower cold water progress flow is more accurate and easily adjusts.
The flow of two water pumps in parallel is respectively 6 m between the cooling water tank 2 and cooling tower 13/ h and 50m3/ h,
The flow of two water pumps in parallel is respectively 6 m between hot water 5 and hot-water heater 73/ h and 50 m3/ h cools down moisture water
The open range of two regulating valves in parallel is 0.6-6 m respectively between device 3 and experiment component 43/ h and 6-60 m3/ h, hot water point
The open range of two regulating valves in parallel is 1-10m respectively between hydrophone 6 and experiment component 43/ h and 5-50 m3/ h, compression are empty
The open range of two regulating valves in parallel is 10-80 m respectively between hot-air heater 9 and experiment component 43/ h and 30-210m3/
h。
Air compressor machine and empty dry machine can by the air of dry voltage stabilizing by after metering, steam heating smoothly with pipe-line system
Experiment component is reached, then is emptied.
Cooling tower possesses the cooling maximum amount of water for meeting other equipment in maximum cooling water inflow and system needed for water cooling section.
And corresponding cooling water pump disclosure satisfy that the function of conveying and the recycling of cooling water.
A kind of single-phase local heat transfer test method of shell-and-tube heat exchanger, including compressed air system, vapour system, cooling water
System and test system, comprise the following steps：
Air and water local heat transfer, start screw air compressor 12, adjust supply gas pressure, a part is to pneumatic control valve
It is supplied, another part enters 4 two-phase of experiment component experiment heat exchanger shell-side by compressed air heater 9；Start cold
But tower 1 and cooling tower circulating pump, cooling water are out flowed through after cooling tower 1 cools down from cooling water tank 2 using cooling moisture water
Device 3 is entered with pipeline in the single-phase experiment Tube Sheet of Heat Exchanger of experiment component 4；Finally, electric heating steam boiler 8 is started, steam enters
To compressed air heater 9, air is heated, steam condensation Cheng Shui, discharged from steam trap；Treat that flow, temperature, pressure are steady
After fixed, start data acquisition；After intraductal heat exchange terminates, air emptying is discharged by exhaust apparatus, and cooling water returns to cooling water
Water tank 2.
Water water local heat transfer starts screw air compressor 12, adjusts supply gas pressure, regulating valve is supplied, and starts
Hot water circulating pump, hot water enters hot-water heater 7 from hot water 5, afterwards into hot water water knockout drum 6, then with pipeline through overmulling
Clutch finally enters the two-phase experiment heat exchanger shell-side of experiment component 4.Start cooling tower and cooling tower circulating pump, cooling water is from cold
But water tank out flow through cooling tower cooler after arrive again cool down water separator enter experiment component 4 with pipeline；Finally, start
Electric heating steam boiler 8, steam enter compressed air heater 9, hot water are heated, steam condensation Cheng Shui, from steam trap
Discharge；After flow, temperature, pressure stability, start data acquisition；After heat exchange terminates in heat exchanger, hot water returns to hot water water
Case 5, cooling water returns to cooling water tank.
1st, during single-phase local heat transfer, keep cooling water flow constant, by changing the flow of dry air or hot water, pressed
Drop and the relation between velocity of medium and heat flow density.
2nd, during single-phase local heat transfer, keep dry air or hot water flow constant, by changing cooling water flow, find out cooling
The variation of water flow and the heat exchanger coefficient of heat transfer and pressure drop relationships.
2nd, during single-phase local heat transfer, keep each rate-of flow constant, by change the qualitative temperature of dry air or hot water come
Compare the influence of the qualitative temperature heat exchanging device coefficient of heat transfer.
4th, in single-phase experiment, holding more than measured value is constant, by changing heat exchanger structure, such as changes the arrangement of tube bank
Mode increases the influence that baffle plate comes comparative structure heat exchanging coefficient and pressure drop.
5th, in single-phase experiment, by change the flowing space i.e. tube side of medium and shell side come compared with its to heat convection system
Number and the influence of pressure drop.
The above is only the preferred embodiment of the utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of single-phase local heat transfer test platform of shell-and-tube heat exchanger, it is characterised in that：Including boiler（8）, the boiler（8）
Hot-water heater is connected respectively（7）With compressed air heater（9）, the compressed air heater（9）Connect experiment component
（4）, the hot-water heater（7）It is sequentially connected hot water water knockout drum（6）, experiment component（4）, hot water（5）, hot water
（5）Reconnect hot-water heater（7）Forming circuit, the experiment component（4）Also it is sequentially connected cooling water tank（2）, cooling tower
（1）With cooling water separator（3）, cooling tower（1）Reconnect experiment component（4）Forming circuit, the experiment component（4）It is also connected with
There is exhaust apparatus；
The compressed air heater（9）It is also connected with air accumulator（10）, the air accumulator（10）The free dry machine of connection（11）, it is empty dry
Machine（11）On be also associated with air compressor machine（12）.
2. the single-phase local heat transfer test platform of shell-and-tube heat exchanger according to claim 1, it is characterised in that：The hot water
Heater（7）With compressed air heater（9）Also it is both provided with steam trap.
3. the single-phase local heat transfer test platform of shell-and-tube heat exchanger according to claim 1, it is characterised in that：The boiler
（8）And hot-water heater（7）, experiment component（4）And hot water（5）, experiment component（4）With exhaust apparatus, cooling tower（1）With
Cool down water separator（3）, empty dry machine（11）And air accumulator（10）Between be both provided with ball valve.
4. the single-phase local heat transfer test platform of shell-and-tube heat exchanger according to claim 1, it is characterised in that：The experiment
Element（4）And cooling water tank（2）Between be provided with check valve.
5. the single-phase local heat transfer test platform of shell-and-tube heat exchanger according to claim 1, it is characterised in that：The hot water
Water knockout drum（6）And experiment component（4）, compressed air heater（9）And experiment component（4）Between be parallel with two groups of open ranges
Different regulating valve, two flowmeters and two ball valves, then contact successively a check valve and a ball valve.
6. the single-phase local heat transfer test platform of shell-and-tube heat exchanger according to claim 1, it is characterised in that：The hot water
Water tank（5）And hot-water heater（7）Between be parallel with the different water pump of two sets of ball valves, two range of flows and two check valves；
The hot-water heater（7）On be provided with hot water circulating pump.
7. the single-phase local heat transfer test platform of shell-and-tube heat exchanger according to claim 5, it is characterised in that：The cooling
Water tank（2）And cooling tower（1）Between be parallel with the different water pump of two sets of ball valves, two range of flows and two check valves, again
There are one ball valves for series connection；The cooling water separator（3）And experiment component（4）Between be parallel with two groups of different tune of open range
Save valve, two flowmeters and two ball valves；The cooling tower（1）On be additionally provided with cooling tower circulating pump.
8. the single-phase local heat transfer test platform of shell-and-tube heat exchanger according to claim 1, it is characterised in that：The hot water
Water tank（5）, boiler（8）And air accumulator（10）On be both provided with temperature-measuring port and pressure and survey mouth；The experiment component（4）Inlet/outlet pipe
Road junction is both provided with temperature-measuring port and pressure surveys mouth.
9. the single-phase local heat transfer test platform of shell-and-tube heat exchanger according to claim 7, it is characterised in that：The adjusting
Valve is all connected with air accumulator（10）Pneumatic valve port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721414710.4U CN207439985U (en) | 2017-10-30 | 2017-10-30 | The single-phase local heat transfer test platform of shell-and-tube heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721414710.4U CN207439985U (en) | 2017-10-30 | 2017-10-30 | The single-phase local heat transfer test platform of shell-and-tube heat exchanger |
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| Publication Number | Publication Date |
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| CN207439985U true CN207439985U (en) | 2018-06-01 |
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| CN201721414710.4U Expired - Fee Related CN207439985U (en) | 2017-10-30 | 2017-10-30 | The single-phase local heat transfer test platform of shell-and-tube heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107632042A (en) * | 2017-10-30 | 2018-01-26 | 南京工业大学 | The single-phase local heat transfer test platform of shell-and-tube heat exchanger and method of testing |
-
2017
- 2017-10-30 CN CN201721414710.4U patent/CN207439985U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107632042A (en) * | 2017-10-30 | 2018-01-26 | 南京工业大学 | The single-phase local heat transfer test platform of shell-and-tube heat exchanger and method of testing |
| CN107632042B (en) * | 2017-10-30 | 2024-04-05 | 南京工业大学 | Single-phase heat exchange experiment test platform and test method for shell-and-tube heat exchanger |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20211030 |