A heat exchanger plate test tool

Abstract

The present invention belongs to the technical field of heat exchangers, and particularly relates to a heat exchanger plate testing tool, comprising a first water tank, at least two clamps and an air supply system, wherein the clamps are used to clamp the heat exchanger plate and seal the corner holes of the heat exchanger plate to keep the inside of the heat exchanger plate in a sealed state, wherein one of the clamps is connected to an air supply pipe of the air supply system, the air supply pipe is connected to an air supply device, air can be supplied to the inside of the heat exchanger plate through the air supply pipe, a valve switch is provided on the air supply pipe, one of the clamps is connected to an outlet pipe, and one of the clamps is connected to an inlet pipe, a flow meter is provided on the outlet pipe, the inlet pipe is connected to a water pump, valves are provided on the outlet pipe and the inlet pipe, respectively, water can be supplied to the inside of the heat exchanger plate through the inlet pipe, the present invention is easy to operate, and is suitable for testing of heat exchanger plates, and can complete all tests of sealing and flow through one tool and one clamping, and can also remove ash in the plate during the flow test.

Description

Technical Field

[0001] The invention belongs to the technical field of heat exchangers, and in particular relates to a heat exchanger plate testing tool. Background Art

[0002] Before leaving the factory, the heat exchanger is generally tested for sealing and other tests to determine the quality of the product. In principle, each plate of the heat exchanger should also be tested for sealing, but many manufacturers will omit this test and only test the overall product. Therefore, there are not many test tools suitable for heat exchanger plates on the market, and some test tools have complex structures and are not easy to operate. In addition, there is another important indicator of the heat exchanger plate that should also be tested, that is, the flow rate of the heat exchanger plate, whether the flow rate meets the requirements, if the flow rate is too small, it means that the plate has defects and is unqualified during the molding process. Therefore, while testing the sealing performance, it should also be tested for flow. Summary of the invention

[0003] The present invention provides a heat exchanger plate testing tool, which can solve the problems pointed out in the background technology.

[0004] A heat exchanger plate testing tool comprises a first water tank, at least two clamps and an air supply system, wherein the clamps are used to clamp the heat exchanger plates and seal the corner holes of the heat exchanger plates to keep the inside of the heat exchanger plates sealed, one of the clamps is connected to the air supply pipe of the air supply system, the air supply pipe is connected to the air supply equipment, air can be supplied to the inside of the heat exchanger plates through the air supply pipe, a valve switch is provided on the air supply pipe, one of the clamps is connected to a water outlet pipe, and one of the clamps is connected to a water inlet pipe, a flow meter is provided on the water outlet pipe, the water inlet pipe is connected to a water pump, the water outlet pipe and the water inlet pipe are respectively provided with valves, and water can be supplied to the inside of the heat exchanger plates through the water inlet pipe.

[0005] Preferably, the clamp comprises an upper clamping plate, a lower clamping plate and a plurality of fastening bolts, and a sealing rubber pad is provided on the upper clamping plate and the lower clamping plate respectively.

[0006] Preferably, a horizontal support frame is provided in the first water tank, and the lower clamp is fixed on the horizontal support frame.

[0007] Preferably, the water outlet pipe is connected to one of the clamps, and the air supply pipe is connected to the water outlet pipe, with the connection point being located at the front side of the water outlet pipe valve.

[0008] Preferably, the air supply equipment is an air compressor or an air pump, and the air supply pipe is provided with a pressure gauge.

[0009] Preferably, the flow meter is a plastic rotor flow meter or an electromagnetic flow meter.

[0010] Preferably, it also includes a second water tank, in which a water pump is provided, and the water pump is connected to the water inlet pipe.

[0011] Preferably, a connecting pipe is provided between the first water tank and the second water tank, a large valve is provided on the connecting pipe, the liquid level of the second water tank is lower than the liquid level of the first water tank, the outlet pipe is connected to a bent pipe, and the outlet of the bent pipe points to the first water tank.

[0012] Beneficial effects: The present invention is a heat exchanger plate testing tool with a simple structure and is easy for workers to operate. It is particularly suitable for testing heat exchanger plates. It can complete all tests on sealing and flow through one tool and one clamping. In the flow test, it can also remove ash in the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the present invention.

[0014] Figure 2 For the present invention Figure 1 -A enlarged schematic diagram,

[0015] Figure 3 The present invention uses a schematic diagram,

[0016] Figure 4 is a schematic diagram of the clamp of the present invention,

[0017] Description of reference numerals:

[0018] Numbers in the figure: first water tank 1; clamp 2; upper clamp 21; lower clamp 22; fastening bolts 23; sealing rubber pad 24; air supply pipe 3; valve switch 4; water outlet pipe 5; water inlet pipe 6; flow meter 7; water pump 8; valve 9; horizontal support frame 10; pressure gauge 11; second water tank 12; connecting pipe 13; large valve 14; elbow 15; heat exchanger plate 16. DETAILED DESCRIPTION

[0019] A specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific implementation.

[0020] Embodiment 1:

[0021] like Figure 1-4As shown, a heat exchanger plate test fixture provided by an embodiment of the present invention includes a first water tank 1, at least two clamps 2 and an air supply system. The number of clamps 2 is consistent with the number of corner holes of the heat exchanger plate. Generally, the number of corner holes is two or four. In this embodiment, two are taken as an example. The clamp 2 is used to clamp the heat exchanger plate 16 and seal the corner holes of the heat exchanger plate 16 to keep the inside of the heat exchanger plate 16 sealed. The specific structure of the clamp 2 is: it includes an upper clamp 21, a lower clamp 22 and a plurality of fastening bolts 23. The number of fastening bolts 23 is consistent with the number of mounting holes around the corner holes. The upper clamp 21 and the lower clamp 22 are respectively provided with sealing pads 24. When in use, the heat exchanger plate The corner hole of 16 is placed between the sealing rubber pads 24 of the upper clamp 21 and the lower clamp 22, and the upper clamp 21 and the lower clamp 22 are connected by fastening bolts 23 to seal the corner hole. One of the clamps 2 is connected to the air supply pipe 3 of the air supply system, and the air supply pipe 3 is connected to the air supply device 10. The air supply device 10 can be an air compressor or an air pump. The air supply pipe 3 is provided with a barometer 11. The air supply pipe 3 can supply air to the inside of the heat exchanger plate 16 so that the inside has a certain pressure. Through this structure, the sealing of the heat exchanger plate 16 can be tested. In addition, in the flow test, the ash in the plate can also be removed to prevent the ash from entering the equipment during the use of the heat exchanger and affecting the use of the equipment;

[0022] The air supply pipe 3 is provided with a valve switch 4, one of the clamps 2 is connected with a water outlet pipe 5, the water outlet pipe 5 is connected to one of the clamps 2, the air supply pipe 3 is connected to the water outlet pipe 5, and its connection point is located in front of the valve 9 of the water outlet pipe 5, and the other clamp 2 is connected with a water inlet pipe 6, the water outlet pipe 5 is provided with a flow meter 7, the flow meter 7 can be a plastic rotor flow meter or an electromagnetic flow meter, the water inlet pipe 6 is connected to a water pump 8, the water outlet pipe 5 and the water inlet pipe 6 are respectively provided with valves 9, water can be supplied to the inside of the heat exchanger plate 16 through the water inlet pipe 6, and the flow of the heat exchanger plate 16 can be tested through this structure.

[0023] A horizontal support frame 10 is provided in the first water tank 1, and the lower clamping piece 22 is fixed on the horizontal support frame 10. The horizontal support frame 10 can provide a horizontal support for the heat exchanger plate 16, making it easy to operate and convenient for workers to observe.

[0024] It also includes a second water tank 12, in which a water pump 8 is provided, and the water pump 8 is connected to a water inlet pipe 6. A connecting pipe 13 is provided between the first water tank 1 and the second water tank 12, and a large valve 14 is provided on the connecting pipe 13. The liquid level of the second water tank 12 is lower than the liquid level of the first water tank 1. The outlet pipe 5 is connected to a curved pipe 15, and the outlet of the curved pipe 15 points to the first water tank 1. Through this structure, the circulation of test water is realized, the waste of water resources is avoided, and the cleanliness and dryness of the test surface can also be ensured.

[0025] The working principle or operation method of the present invention is as follows: the clamps 2 are fixedly connected to the corner holes of the heat exchanger plate 16, the water level in the first water tank 1 should be higher than the height of the heat exchanger plate 16, the valves 9 of the water outlet pipe 5 and the water inlet pipe 6 are closed respectively, the valve switch 4 provided on the air supply pipe 3 is opened, the air supply device 10 is started, and the air pressure value is known through the barometer 11. After the air pressure inside the heat exchanger plate 16 reaches the required measurement value, the air supply device 10 and the valve switch 4 are closed, and the heat exchanger plate 16 is left in the water for several minutes to observe whether bubbles are generated, so as to determine whether it is sealed. After the test is completed, open the valve 9 of the water outlet pipe 5 to release the air in the heat exchanger plate 16, close the valve switch 4, open the valve 9 of the water inlet pipe 6, start the water pump 8, inject water into the heat exchanger plate 16 through the water inlet pipe 6, and discharge it from the water outlet pipe 5. During this process, observe the flow meter 7 to see whether its flow rate meets the standard and determine whether it is qualified; after the water is discharged from the water outlet pipe 5, it enters the first water tank 1, and the large valve 14 is opened. Since the water level in the first water tank 1 is higher than the second water tank 12, part of the water will flow back to the second water tank 12 again, so that it can be recycled.

[0026] The above disclosures are only several specific embodiments of the present invention. However, the embodiments of the present invention are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A heat exchanger plate testing tool, characterized in that: The invention comprises a first water tank (1), at least two clamps (2) and an air supply system, wherein the clamps (2) are used to clamp a heat exchanger plate and seal the corner holes of the heat exchanger plate so that the inside of the heat exchanger plate remains sealed, one of the clamps (2) is connected to an air supply pipe (3) of the air supply system, the air supply pipe (3) is connected to an air supply device, and air can be supplied to the inside of the heat exchanger plate through the air supply pipe (3), the air supply pipe (3) is provided with a valve switch (4), and one of the clamps (2) is connected to a water outlet pipe. (5), a clamp (2) is connected to a water inlet pipe (6), the water outlet pipe (5) is provided with a flow meter (7), the water inlet pipe (6) is connected to a water pump (8), the water outlet pipe (5) and the water inlet pipe (6) are respectively provided with valves (9), and water can be supplied to the interior of the heat exchanger plate through the water inlet pipe (6), the clamp (2) comprises an upper clamp (21), a lower clamp (22) and a plurality of fastening bolts (23), and the upper clamp (21) and the lower clamp (22) are respectively provided with sealing pads ( 24), a horizontal support frame (10) is provided in the first water tank (1), the lower clamp (22) is fixed on the horizontal support frame (10), the water outlet pipe (5) is connected to one of the clamps (2), the air supply pipe (3) is connected to the water outlet pipe (5), and the connection point is located in front of the valve (9) of the water outlet pipe (5), the air supply equipment is an air compressor or an air pump, a pressure gauge (11) is provided on the air supply pipe (3), the flow meter (7) is a plastic rotor flow meter or an electromagnetic flow meter, and it is also The invention comprises a second water tank (12), wherein a water pump (8) is arranged in the second water tank (12), and the water pump (8) is connected to a water inlet pipe (6); a connecting pipe (13) is arranged between the first water tank (1) and the second water tank (12), and a large valve (14) is arranged on the connecting pipe (13); the liquid level of the second water tank (12) is lower than the liquid level of the first water tank (1); the water outlet pipe (5) is connected to a curved pipe (15), and the water outlet of the curved pipe (15) points into the first water tank (1).

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