Modularized cooling test bed for low-temperature pool

Abstract

The utility model relates to the technical field of pool tests, and discloses a low-temperature pool modeling cooling test bed, which comprises a water chilling unit, a model low-temperature pool, a bubble generator and a data acquisition instrument, and the output end of the water chilling unit is connected with the input end of the model low-temperature pool through a pipeline. The input end of the water chilling unit is connected with the output end of the model low-temperature pool; the bubble generator is installed at the bottom of the model low-temperature water pool and connected with an air compressor and an air storage tank. The data acquisition instrument is provided with a plurality of groups of temperature sensors, the temperature sensors are arranged in the model low-temperature water pool, and the data acquisition instrument is connected with an upper computer; multifunctional research can be realized, and the positions of a water inlet and a water outlet can be adjusted through small holes in the two sides of the low-temperature pool of the model so as to research the influence of the positions of the water inlet and the water outlet on the pool water temperature in the cooling process; the hand valves in front of and behind the pool can adjust cold water flow to research the influence of cold injection capacity.

Description

Technical Field

[0001] The utility model relates to the technical field of pool tests, and more specifically, to a low-temperature pool modeling cooling test bench. Background Art

[0002] The underwater engineering low-temperature pool, abbreviated as the low-temperature pool, is a model test pool serving the design and construction of ships and underwater engineering structures. The low-temperature pool mainly simulates the underwater environment of a low-temperature environment through artificial means, and various underwater engineering experiments are carried out in the underwater environment at low temperature.

[0003] The existing underwater engineering low-temperature pools have the following defects:

[0004] The layout position, cooling injection amount, cooling injection temperature difference, etc. of the inlet and outlet of the existing underwater engineering low-temperature pool will all affect the uniformity of the pool water temperature field, and thermal stratification will gradually occur during the water cooling process. Thermal stratification has a great impact on the subsequent ice freezing of the low-temperature pool, further affecting the accuracy of numerical simulation. Summary of the Utility Model

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a low-temperature pool modeling cooling test bench, which has the advantage of more precise operation.

[0006] To achieve the above object, the utility model provides the following technical solution: A low-temperature pool modeling cooling test bench, including: a chiller, a model low-temperature pool, a bubble generator, and a data collector. The output end of the chiller is connected to the input end of the model low-temperature pool through a pipeline, and the input end of the chiller is connected to the output end of the model low-temperature pool through a pipeline; the bubble generator is installed at the bottom of the model low-temperature pool, and the bubble generator is connected to an air compressor and a gas storage tank; the data collector is provided with temperature sensors, and several groups of temperature sensors are installed in the model low-temperature pool, and the data collector is connected to a host computer.

[0007] As a preferred technical solution of the utility model, a first manual valve, a first flowmeter, and a Y-shaped filter are arranged on the pipeline between the output end of the chiller and the input end of the model low-temperature pool, and the three are arranged in sequence, and the first manual valve is arranged at one end close to the chiller.

[0008] As a preferred technical solution of the utility model, a second manual valve and a second flowmeter are arranged on the pipeline between the input end of the chiller and the output end of the model low-temperature pool, and the second manual valve is arranged at one end close to the model low-temperature pool.

[0009] As a preferred technical solution of the present utility model, a liquid filling port is provided at the top of the chiller, and a unit liquid outlet, a unit liquid return port, and a unit liquid drain port are provided on the side of the chiller. At both ends of the model low-temperature water tank, a water tank water inlet and a water tank water outlet are respectively provided, and multiple groups of water tank water inlets and water tank water outlets are uniformly arranged in the vertical direction.

[0010] As a preferred technical solution of the present utility model, the unit liquid outlet is connected to the water tank water inlet through a pipeline, and a three-way valve is provided on the pipeline close to the unit liquid outlet, and the three-way valve is connected to the unit liquid return port.

[0011] As a preferred technical solution of the present utility model, a condensing fan and an air inlet are provided on one side of the chiller, and a touch screen and a sight glass are provided on the adjacent side of the chiller.

[0012] As a preferred technical solution of the present utility model, a third manual valve is provided between the air compressor and the air storage tank, and a pressure reducing valve, a flow regulating valve, a gas flow meter, and a check valve are sequentially connected in series between the air storage tank and the bubble generator, and a fourth manual valve is provided between the air storage tank and the pressure reducing valve.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The present utility model can realize multi-functional research. Through the small holes on both sides of the model low-temperature water tank, the positions of the water inlet and outlet can be adjusted to study the influence of the positions of the water inlet and outlet on the water temperature during the cooling process. At the same time, the manual valves before and after the model low-temperature water tank can adjust the cold water flow to study the influence of the cooling capacity. The chiller can adjust the inlet water temperature to study the influence of the inlet water temperature. Description of the Drawings

[0014] Figure 1 It is a schematic structural diagram of the present utility model;

[0015] Figure 2 It is a schematic structural diagram of the chiller of the present utility model;

[0016] Figure 3 It is a schematic structural diagram of the model low-temperature water tank of the present utility model;

[0017] In the figure: 1, chiller; 2, three-way valve; 3, first manual valve; 4, first flowmeter; 5, Y-shaped filter; 6, model low-temperature water tank; 7, second manual valve; 8, second flowmeter; 9, air compressor; 10, third manual valve; 11, gas storage tank; 12, fourth manual valve; 13, pressure reducing valve; 14, flow regulating valve; 15, gas flowmeter; 16, check valve; 17, water inlet of the water tank; 18, water outlet of the water tank; 19, touch screen; 20, sight glass tube; 21, liquid outlet of the unit; 22, liquid return port of the unit; 23, liquid discharge port of the unit; 24, condensing fan; 25, air inlet; 26, liquid filling port; 27, bubble generator; 28, upper computer; 29, data acquisition instrument; 30, temperature sensor. Specific embodiments

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] As Figures 1 to 3 shown, the present invention provides a low-temperature water tank modeling cooling test bench, including: a chiller 1, a model low-temperature water tank 6, a bubble generator 27 and a data acquisition instrument 29. The output end of the chiller 1 is connected to the input end of the model low-temperature water tank 6 through a pipeline, and the input end of the chiller 1 is connected to the output end of the model low-temperature water tank 6 through a pipeline; the bubble generator 27 is installed at the bottom of the model low-temperature water tank 6, and the bubble generator 27 is connected with an air compressor 9 and a gas storage tank 11; the data acquisition instrument 29 is provided with a temperature sensor 30, and several groups of temperature sensors 30 are installed in the model low-temperature water tank 6, and the data acquisition instrument 29 is connected to an upper computer 28.

[0020] Among them, a first manual valve 3, a first flowmeter 4 and a Y-shaped filter 5 are arranged on the pipeline between the output end of the chiller 1 and the input end of the model low-temperature water tank 6, and the three are arranged in sequence, and the first manual valve 3 is arranged at one end close to the chiller 1.

[0021] Among them, a second manual valve 7 and a second flowmeter 8 are arranged on the pipeline between the input end of the chiller 1 and the output end of the model low-temperature water tank 6, and the second manual valve 7 is arranged at one end close to the model low-temperature water tank 6.

[0022] Among them, a liquid filling port 26 is provided at the top of the chiller 1. An outlet 21, a return port 22 and a drain port 23 of the unit are provided on the side of the chiller 1. At both ends of the model low-temperature water tank 6, a water inlet 17 and a water outlet 18 of the tank are respectively provided, and multiple groups of the water inlet 17 and the water outlet 18 of the tank are uniformly arranged in the vertical direction.

[0023] Among them, the outlet 21 of the unit is connected to the water inlet 17 of the tank through a pipeline, and a three-way valve 2 is provided on the pipeline near the outlet 21 of the unit, and the three-way valve 2 is connected to the return port 22 of the unit.

[0024] Among them, a condensing fan 24 and an air inlet 25 are provided on one side of the chiller 1, and a touch screen 19 and a sight glass 20 are provided on the adjacent side of the chiller 1. The touch screen 19 is used to control the operation of the unit, and the cold and hot water temperatures can be set on the touch screen 19.

[0025] Among them, a third manual valve 10 is provided between the air compressor 9 and the air storage tank 11. A pressure reducing valve 13, a flow regulating valve 14, a gas flow meter 15 and a check valve 16 are successively connected in series between the air storage tank 11 and the bubble generator 27, and a fourth manual valve 12 is provided between the air storage tank 11 and the pressure reducing valve 13. The air compressor 9 is used to compress air, and the bubble generator 27 is installed at the bottom of the model low-temperature water tank 6 to generate bubbles, and other parts are mainly used to control the gas flow and pressure.

[0026] The working principle and usage process of the present utility model:

[0027] The data collector 29 is connected to the temperature sensor 30 through a connecting wire. The temperature at multiple positions in the model low-temperature water tank 6 is collected through the temperature sensor 30, and then the temperature information is transmitted to the data collector 29. The data collector 29 can transmit the collected information to the upper computer 28 for display.

[0028] During operation, inject normal temperature water to a specified depth into the model low-temperature water tank 6, fix the pipelines of the water inlet 17 and the water outlet 18 of the water tank, and block the unused water inlet 17 and water outlet 18 of the water tank with screws; check the liquid level height of the liquid storage tank in the chiller 1 from the sight glass tube 20. If the water level is too low, inject normal temperature water into the liquid filling port 26. After checking the pipeline tightness, adjust the flow rate of each pipeline until the flow rate reaches the required value, then disconnect the chiller 1 from the model low-temperature water tank 6. After setting the required water temperature on the touch screen 19, turn on the chiller 1 and let it run alone for a period of time until the outlet water temperature reaches the set value, then reconnect the chiller 1 to the model low-temperature water tank 6 and turn on the data collector 29 to officially start the test. If a bubbling test is to be carried out, turn on the air compressor 9 during the test and adjust the gas flow rate through the flow control valve 14 to control the size of the bubbles and the bubbling speed.

[0029] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Low-temperature water tank modeling cooling test bench, characterized in that, It includes: a chiller (1), a model low-temperature water tank (6), a bubble generator (27), and a data collector (29). The output end of the chiller (1) is connected to the input end of the model low-temperature water tank (6) through a pipeline, and the input end of the chiller (1) is connected to the output end of the model low-temperature water tank (6) through a pipeline; the bubble generator (27) is installed at the bottom of the model low-temperature water tank (6), and the bubble generator (27) is connected to an air compressor (9) and a gas storage tank (11); the data collector (29) is provided with a temperature sensor (30), and several groups of the temperature sensors (30) are installed in the model low-temperature water tank (6), and the data collector (29) is connected to a host computer (28).

2. The low-temperature water tank scaled-down cooling test bench according to claim 1, characterized in that: On the pipeline between the output end of the chiller (1) and the input end of the model low-temperature water tank (6), a first manual valve (3), a first flowmeter (4), and a Y-shaped filter (5) are arranged in sequence, and the first manual valve (3) is arranged at one end close to the chiller (1).

3. The low-temperature pool modeling cooling test bench according to claim 1, characterized in that: On the pipeline between the input end of the chiller (1) and the output end of the model low-temperature water tank (6), a second manual valve (7) and a second flowmeter (8) are arranged, and the second manual valve (7) is arranged at one end close to the model low-temperature water tank (6).

4. The low-temperature water tank scaled-down cooling test bench according to claim 1, characterized in that: The top of the chiller (1) is provided with a liquid filling port (26), and the side of the chiller (1) is provided with a unit liquid outlet (21), a unit liquid return port (22), and a unit liquid drain port (23). At both ends of the model low-temperature water tank (6), a water tank water inlet (17) and a water tank water outlet (18) are respectively arranged, and multiple groups of the water tank water inlet (17) and the water tank water outlet (18) are uniformly arranged in the vertical direction.

5. The low-temperature pool modeling cooling test bench according to claim 4, characterized in that: The unit liquid outlet (21) is connected to the water tank water inlet (17) through a pipeline, and a three-way valve (2) is arranged on the pipeline close to the unit liquid outlet (21), and the three-way valve (2) is connected to the unit liquid return port (22).

6. The low-temperature pool modeling cooling test bench according to claim 1, characterized in that: On one side of the chiller (1), a condensing fan (24) and an air inlet (25) are arranged, and on the adjacent side of the chiller (1), a touch screen (19) and a sight glass tube (20) are arranged.

7. The low-temperature water tank scaled-down cooling test bench according to claim 1, characterized in that: A third manual valve (10) is arranged between the air compressor (9) and the gas storage tank (11), and a pressure reducing valve (13), a flow regulating valve (14), a gas flowmeter (15), and a check valve (16) are sequentially connected in series between the gas storage tank (11) and the bubble generator (27), and a fourth manual valve (12) is arranged between the gas storage tank (11) and the pressure reducing valve (13).

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