CN212932467U - Cooling tower filler performance experiment detecting system - Google Patents

Cooling tower filler performance experiment detecting system Download PDF

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Publication number
CN212932467U
CN212932467U CN202022137933.9U CN202022137933U CN212932467U CN 212932467 U CN212932467 U CN 212932467U CN 202022137933 U CN202022137933 U CN 202022137933U CN 212932467 U CN212932467 U CN 212932467U
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CN
China
Prior art keywords
packing
cooling tower
air
performance
filler
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CN202022137933.9U
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Chinese (zh)
Inventor
张庆伦
周华东
刘培冲
王震
赵滨
李晓伟
任超
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Dalian Spindle Environmental Facilities Co ltd
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Dalian Spindle Environmental Facilities Co ltd
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Priority to CN202022137933.9U priority Critical patent/CN212932467U/en
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Abstract

The utility model discloses a cooling tower filler performance experiment detecting system belongs to filler performance and detects technical field. Including setting up in the air mixing district and the exhaust area of packing performance detection laboratory outside, be equipped with frequency conversion fan a between packing performance detection laboratory and the exhaust area, be equipped with electronic shutter a between packing performance detection laboratory and the air mixing district, be equipped with electronic shutter b between air mixing district and the exhaust area, the air outlet department in exhaust area is equipped with frequency conversion fan b, and air mixing district air inlet department is equipped with electronic shutter c. The utility model has the advantages that: the environment wet bulb temperature in the test is accurately controlled, the test precision is high, and the filler test error, time and material resources can be greatly reduced; because the system adopts hot air reflux recycling, the filling test can be carried out in winter, and the time range of the filling test is widened; the whole system adopts full-automatic control and collection, so that the labor can be greatly saved, and the testing precision is guaranteed.

Description

Cooling tower filler performance experiment detecting system
Technical Field
The utility model relates to a cooling tower filler performance experiment detecting system belongs to filler performance and detects technical field.
Background
Nowadays, the economy is developed at a high speed, the energy consumption is increased day by day, and how to efficiently utilize the energy and reduce the energy waste becomes the problem to be solved at present. The cooling tower is used as a device for heat exchange and heat dissipation, and the application of the cooling tower is more and more extensive along with the deepening of a big datamation process. The cooling tower filler is a main part of heat exchange and mass transfer exchange of the cooling tower, and the heat dissipation capability of the cooling tower filler directly influences the overall operation effect of the cooling tower. At present, parameters for measuring the performance of the packing are cooling number, volume dispersion coefficient, packing resistance and the like, the heat exchange capacity of the packing is related to temperature and humidity, and the performance of the packing is evaluated by testing the whole performance of a cooling tower in the prior art (such as a cooling tower packing detection test device for eliminating wall flow loss and a cooling tower packing detection test device and a packing detection method for eliminating wall flow loss in the patent of publication number CN206920370U, and publication number CN 107328809A); due to fluctuation of external temperature and humidity, the fluctuation of a test result is large, the performance of the filler cannot be accurately evaluated, and the error is large; the wet bulb temperature of the external environment is lower than 10 ℃ in winter, and the performance evaluation of the filler can not be carried out.
SUMMERY OF THE UTILITY MODEL
For solving the defect that prior art exists, the utility model aims at providing a cooling tower filler performance tests detecting system, simulation cooling tower running state is tested through packing to the micromodule, and accurate evaluation filler ability reduces the die sinking number of times, saves a large amount of manpower and material resources.
The technical scheme of the utility model is that: the cooling tower packing performance experiment detection system comprises an air mixing area and an exhaust area which are arranged outside a packing performance detection laboratory, wherein a variable frequency fan a is arranged between the packing performance detection laboratory and the exhaust area, an electric shutter a is arranged between the packing performance detection laboratory and the air mixing area, an electric shutter b is arranged between the air mixing area and the exhaust area, a variable frequency fan b is arranged at an air outlet of the exhaust area, an electric shutter c is arranged at an air inlet of the air mixing area, a packing placing frame positioned on the side part of the variable frequency fan a is arranged in the packing performance detection laboratory, a water spraying device is arranged above the packing placing frame, the bottom of the packing placing frame is connected with a water collecting tank through a water collecting pipeline, the water spraying device is connected with the water collecting tank through a circulating water pipeline, and a pressure sensor a, a temperature sensor a, a, The filter, the electric heater and the circulating water pump are arranged on a circulating water pipeline on one side of the water spraying device, a temperature sensor b, a pressure sensor b and a flowmeter are arranged on the circulating water pipeline, a wet-dry ball temperature sensor is further arranged in the packing performance detection laboratory, and the pressure sensor a, the temperature sensor a, the electric heater, the temperature sensor b, the pressure sensor b, the flowmeter and the wet-dry ball temperature sensor are all connected with a control system.
And a flow velocity meter connected with a control system is arranged between the variable frequency fan a and the filler placing frame.
And a temperature sensor c connected with a control system is arranged on the water collecting pipeline.
And the circulating water pipeline is provided with an adjusting valve a.
And an adjusting valve b is arranged between the electric heater and the circulating water pump.
The type of the singlechip of the control system is 89C 51.
The air mixing zone is arranged on two sides of the filler performance detection laboratory.
The air mixing area is arranged on two sides of the exhaust area.
The utility model has the advantages that: the environment wet bulb temperature in the test is accurately controlled, the test precision is high, and the filler test error, time and material resources can be greatly reduced; because the system adopts hot air reflux recycling, the filling test can be carried out in winter, and the time range of the filling test is widened; the whole system adopts full-automatic control and collection, so that the labor can be greatly saved, and the testing precision is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers in the figures are as follows: 1. the filler performance detection laboratory 2, the air mixing area 3, the exhaust area 4, frequency conversion fans a, 5, electric shutters a, 6, electric shutters b, 7, frequency conversion fans b, 8, electric shutters c, 9, a filler placing rack 10, a water spraying device 11, a flow meter 12, a circulating water pipeline 13, a water collecting tank 14, a water collecting pipeline 15, pressure sensors a, 16, temperature sensors a, 17, a filter 18, a circulating water pump 19, temperature sensors b, 20, pressure sensors b, 21, a flow meter 22, wet and dry bulb temperature sensors 23, an electric heater 24, regulating valves a, 25, regulating valves b, 26 and a temperature sensor c.
Detailed Description
The present invention will be further explained with reference to fig. 1:
a cooling tower packing performance experiment detection system comprises an air mixing area 2 and an air exhaust area 3 which are arranged outside a packing performance detection laboratory 1, a variable frequency fan a4 is arranged between the packing performance detection laboratory 1 and the air exhaust area 3, an electric shutter a5 is arranged between the packing performance detection laboratory 1 and the air mixing area 2, an electric shutter b6 is arranged between the air mixing area 2 and the air exhaust area 3, a variable frequency fan b7 is arranged at the air exhaust position of the air exhaust area 3, an electric shutter c8 is arranged at the air inlet position of the air mixing area 2, a packing placing frame 9 located on the side portion of the variable frequency fan a4 is arranged in the packing performance detection laboratory 1, a water spraying device 10 is arranged above the packing placing frame 9, the bottom of the packing placing frame 9 is connected with a water collecting tank 13 through a water collecting pipeline 14, the water spraying device 10 is connected with the water collecting tank 13 through a circulating pipeline 12, and a pressure sensor a15 is arranged on the circulating, Temperature sensor a16, filter 17, electric heater 23 and circulating water pump 18 are equipped with temperature sensor b19, pressure sensor b20 and flowmeter 21 on the circulating water pipeline 12 of water spray device 10 one side, still be equipped with wet-dry bulb temperature sensor 22 in the filler performance testing laboratory 1, pressure sensor a15, temperature sensor a16, electric heater 23, temperature sensor b19, pressure sensor b20, flowmeter 21 and wet-dry bulb temperature sensor 22 all connect control system. And a flow velocity meter 11 connected with a control system is arranged between the variable frequency fan a4 and the filler placing rack 9. The water collecting pipe 14 is provided with a temperature sensor c26 connected with a control system. The circulating water pipeline 12 is provided with an adjusting valve a 24. And a regulating valve b25 is arranged between the electric heater 23 and the circulating water pump 18. The type of the singlechip of the control system is 89C 51. The air mixing zone 2 is arranged on two sides of the filler performance detection laboratory 1. The air mixing zone 2 is divided into two sides of the exhaust zone 3.
The utility model is provided with two temperature sensors on a circulating water pipeline 12, which respectively measure the temperature of inlet and outlet fillers, a flowmeter 21 is arranged on the circulating water pipeline 12, which measures the circulating water flow, a circulating water pump 14 is arranged on the circulating water pipeline 12 and is used for the water circulation work of the whole test system, an electric heater 23 is arranged at the front end of the inlet of the circulating water pump 18 and is used for the heating work of inlet water of the test system, the fillers are placed on a filler placing rack 9 below a water spraying device 10, a frequency conversion fan a4 is arranged at one side of the water spraying device 3 and is used for adjusting the air quantity passing through the surface of the fillers, an exhaust area 3 is arranged at the air outlet side of the frequency conversion fan a4, 2 frequency conversion fans b7 are arranged at the front end of the exhaust area 3 and are symmetrically distributed and are used for removing partial humid hot air of the exhaust area 3, electric shutters b6 are arranged, part of damp and hot air in the exhaust area 3 flows back to the air mixing area 2 for adjusting the dry and wet temperature of fresh air in the area, the electric shutter c8 is arranged at the front end of the air mixing area 2 for entering new air, the electric shutter a5 is arranged at one side of the air mixing area 2 and symmetrically distributed, air which meets the test requirement after being mixed enters the packing performance detection laboratory 1 through the electric shutter a5, a dry and wet bulb temperature sensor 22 is arranged in the laboratory and feeds back the dry and wet bulb temperature to a data acquisition control system, the rotating speed of a fan of a variable frequency fan is automatically controlled through the data acquisition control system to control the exhaust amount of the variable frequency fan, and because the variable frequency fan a4 exhausts air to the exhaust area 3 in the experimental test process, negative pressure exists in the laboratory, and outside air and part of air in the exhaust area 3 enter the air mixing area 2 through the electric shutter b6 and are fully mixed and then enter the laboratory, the whole system is automatically controlled, and the control precision of the environmental wet bulb temperature in the experiment can reach within +/-0.5 ℃. All the signals (flow, air quantity, water inlet temperature and the like) are collected in the data acquisition control system, and after the data acquisition control system sets test parameters, the whole system is automatically adjusted to the designed working condition, automatically acquires data and automatically alarms.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A cooling tower packing performance experiment detection system is characterized by comprising an air mixing area (2) and an air exhaust area (3) which are arranged outside a packing performance detection laboratory (1), wherein a variable frequency fan a (4) is arranged between the packing performance detection laboratory (1) and the air exhaust area (3), an electric shutter a (5) is arranged between the packing performance detection laboratory (1) and the air mixing area (2), an electric shutter b (6) is arranged between the air mixing area (2) and the air exhaust area (3), a variable frequency fan b (7) is arranged at an air outlet of the air exhaust area (3), an electric shutter c (8) is arranged at an air inlet of the air mixing area (2), a packing placing frame (9) positioned at the side part of the variable frequency fan a (4) is arranged in the packing performance detection laboratory (1), and a water spraying device (10) is arranged above the packing placing frame (9), the bottom of the filler placing frame (9) is connected with a water collecting tank (13) through a water collecting pipeline (14), the water spraying device (10) and the water collecting tank (13) are connected through a circulating water pipeline (12), a pressure sensor a (15), a temperature sensor a (16), a filter (17), an electric heater (23) and a circulating water pump (18) are arranged on the circulating water pipeline (12) at one side of the water collecting tank (13), a temperature sensor b (19), a pressure sensor b (20) and a flowmeter (21) are arranged on the circulating water pipeline (12) at one side of the water spraying device (10), a dry-wet bulb temperature sensor (22) is also arranged in the filler performance detection laboratory (1), the pressure sensor a (15), the temperature sensor a (16), the electric heater (23), the temperature sensor b (19), the pressure sensor b (20), the flowmeter (21) and the wet-dry bulb temperature sensor (22) are all connected with a control system.
2. The cooling tower filler performance experiment detection system according to claim 1, wherein a flow velocity meter (11) connected with a control system is arranged between the variable frequency fan a (4) and the filler placing rack (9).
3. The cooling tower filling performance experiment detection system according to claim 1, characterized in that a temperature sensor c (26) connected with a control system is arranged on the water collecting pipeline (14).
4. The cooling tower filling performance experiment detection system according to claim 1, characterized in that the circulating water pipeline (12) is provided with a regulating valve a (24).
5. The cooling tower filling performance experiment detection system according to claim 1, characterized in that a regulating valve b (25) is arranged between the electric heater (23) and the circulating water pump (18).
6. The system for testing the performance of the cooling tower filler according to claim 1, wherein the single chip microcomputer of the control system is 89C 51.
7. The cooling tower packing performance test detection system according to claim 1, wherein the air mixing zone (2) is divided into two sides of the packing performance test laboratory (1).
8. The cooling tower packing performance test detection system according to claim 1, wherein the air mixing zone (2) is divided into two sides of the exhaust zone (3).
CN202022137933.9U 2020-09-25 2020-09-25 Cooling tower filler performance experiment detecting system Active CN212932467U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022137933.9U CN212932467U (en) 2020-09-25 2020-09-25 Cooling tower filler performance experiment detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022137933.9U CN212932467U (en) 2020-09-25 2020-09-25 Cooling tower filler performance experiment detecting system

Publications (1)

Publication Number Publication Date
CN212932467U true CN212932467U (en) 2021-04-09

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CN202022137933.9U Active CN212932467U (en) 2020-09-25 2020-09-25 Cooling tower filler performance experiment detecting system

Country Status (1)

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CN (1) CN212932467U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112162007A (en) * 2020-09-25 2021-01-01 大连斯频德环境设备有限公司 Cooling tower filler performance experiment detecting system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112162007A (en) * 2020-09-25 2021-01-01 大连斯频德环境设备有限公司 Cooling tower filler performance experiment detecting system

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