CN216207380U

CN216207380U - Plate-fin heat exchanger leak detection device

Info

Publication number: CN216207380U
Application number: CN202122500776.8U
Authority: CN
Inventors: 徐飞
Original assignee: Wuxi Zhenghong Xinhantong Heat Exchange Technology Co ltd
Current assignee: Wuxi Zhenghong Xinhantong Heat Exchange Technology Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-05
Anticipated expiration: 2031-10-18

Abstract

The utility model relates to the technical field of heat exchangers and discloses a plate-fin heat exchanger leakage detection device which comprises a baffle, two slide rods, a pressure plate, an air inlet pipe, an air outlet pipe, a fin plate and a rubber strip, wherein the two slide rods are respectively and fixedly connected to the side wall of the baffle, the pressure plate and the fin plate are respectively and slidably arranged on the rod walls of the slide rods, the rubber strip is fixedly connected to the side wall of the fin plate, the air inlet pipe and the air outlet pipe are respectively and fixedly connected to the left side wall of the baffle, and a leakage detection mechanism is arranged at the connection position of the fin plate and the rubber strip. The utility model can rapidly detect whether the outer side of the device has leakage or not, thereby ensuring the sealing property of the device and improving the heat exchange efficiency of the device.

Description

Plate-fin heat exchanger leak detection device

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a plate-fin heat exchanger leakage detection device.

Background

The plate-fin heat exchanger is generally composed of fin plates, seals and guide vanes. The plate fin heat exchanger has the advantages of small volume, light weight, capability of treating more than two media and the like.

Among the prior art, use the finned plate heat exchanger to make, need keep the good leakproofness of finned plate heat exchanger to guarantee the heat transfer quality of heat exchanger, consequently need often overhaul the heat exchanger and maintain, and the rubber strip when using for a long time, probably has the risk of ageing, splitting, the while is not convenient for observe, thereby leads to equipment can't keep higher leakproofness. Thus. The utility model designs a leakage detection device for a plate-fin heat exchanger.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the device cannot keep high sealing performance due to the fact that cracks occur to rubber strips caused by aging and the like when the rubber strips are used for a long time in the prior art, and provides a plate-fin heat exchanger leakage detection device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a plate-fin heat exchanger leak hunting device, includes baffle, two slide bars, clamp plate, intake pipe, outlet duct, finned plate and rubber strip, two the slide bar is fixed connection respectively at the lateral wall of baffle, clamp plate and finned plate slide respectively to set up on the pole wall of slide bar, rubber strip fixed connection is at the lateral wall of finned plate, intake pipe and outlet duct are fixed connection respectively at the left side wall of baffle, the junction of finned plate and rubber strip is provided with leak hunting mechanism.

Preferably, the fin plate is arranged between the baffle plate and the pressing plate, and the side wall of the fin plate on the right side is attached to the side wall of the pressing plate.

Preferably, threaded holes are formed in the right end faces of the two sliding rods, a limiting plate is connected to the inner wall of each threaded hole in a threaded mode, and the side wall of each limiting plate is attached to the side wall of the corresponding pressing plate.

Preferably, leak hunting mechanism includes air pump, flexible trachea, seal groove and sealed cowling, air pump fixed connection is in the up end of clamp plate, seal groove fixed connection is at the lateral wall of fin, the sealed cowling is pegged graft and is set up inside the seal groove, flexible tracheal one end and air pump fixed connection, flexible tracheal other end fixed connection is on the lateral wall of sealed cowling.

Preferably, a slot is formed in the side wall of the fin plate, and the upper end and the lower end of the sealing cover are fixedly connected with sealing plugs which are inserted into the slot.

Preferably, a sealing hole is formed in the side wall of the sealing cover, a barometer is arranged on the inner wall of the sealing hole in a sealing mode, and a probe of the barometer extends into the sealing cover.

Preferably, leak hunting mechanism includes sucking disc, check valve and pressure handle, the sucking disc adsorbs to set up on the lateral wall of fin board, the fixed setting of check valve is inside the lateral wall of sucking disc, pressure is fixed connection on the lateral wall of sucking disc.

Compared with the prior art, the utility model provides a plate-fin heat exchanger leakage detection device which has the following beneficial effects:

1. this plate-fin heat exchanger leak hunting device draws out the inside gas of sealed cowling through flexible trachea through the air pump, can observe the inside atmospheric pressure condition of sealed cowling through the barometer, if the phenomenon of kick-backing appears in atmospheric pressure to can detect out the condition that appears leaking between fin and the rubber strip.

2. This plate-fin heat exchanger leak hunting device through adsorbing the sucking disc and setting up on the lateral wall that fin board and rubber strip are connected, through pressing the pressure can discharge the inside gas of sucking disc through the check valve, if the sucking disc has the condition of reply or dropping after fixed, then there is the leakage condition here, is convenient for discover to leak.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the utility model can quickly detect whether the outer side of the device has leakage, thereby ensuring the sealing property of the device and improving the heat exchange efficiency of the device.

Drawings

Fig. 1 is a schematic structural diagram of a leak detection device for a plate-fin heat exchanger according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of another embodiment of a leak detection apparatus for a plate-fin heat exchanger according to the present invention;

fig. 4 is an enlarged schematic view of a portion B in fig. 3.

In the figure: the device comprises a baffle 1, a slide rod 2, a pressing plate 3, an air inlet pipe 4, an air outlet pipe 5, a fin plate 6, a rubber strip 7, a limiting plate 8, an air pump 9, a telescopic air pipe 10, a sealing groove 11, a sealing cover 12, a slot 13, a sealing plug 14, a barometer 15, a sucker 16, a check valve 17 and a pressing handle 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-2, a plate-fin heat exchanger leak detection device comprises a baffle plate 1, two slide bars 2, a pressure plate 3, an air inlet pipe 4, an air outlet pipe 5, a fin plate 6 and a rubber strip 7, wherein the two slide bars 2 are respectively and fixedly connected to the side wall of the baffle plate 1, the pressure plate 3 and the fin plate 6 are respectively and slidably arranged on the bar walls of the slide bars 2, the rubber strip 7 is fixedly connected to the side wall of the fin plate 6, the air inlet pipe 4 and the air outlet pipe 5 are respectively and fixedly connected to the left side wall of the baffle plate 1, a leak detection mechanism is arranged at the joint of the fin plate 6 and the rubber strip 7, the leak detection mechanism comprises an air pump 9, a telescopic air pipe 10, a seal groove 11 and a seal cover 12, the air pump 9 is fixedly connected to the upper end surface of the pressure plate 3, the seal groove 11 is fixedly connected to the side wall of the fin plate 6, the seal cover 12 is inserted into the seal groove 11, one end of the telescopic air pump 10 is fixedly connected to the air pump 9, the other end of the telescopic air pipe 10 is fixedly connected to the side wall of the seal cover 12, slot 13 has been seted up on the lateral wall of fin 6, the upper and lower both ends fixedly connected with sealing plug 14 of sealed cowling 12, sealing plug 14 pegs graft and sets up the inside at slot 13, sealed hole has been seted up to the lateral wall of sealed cowling 12, the sealed barometer 15 that is provided with of inner wall in sealed hole, the probe of barometer 15 extends to the inside of sealed cowling 12, fin 6 sets up between baffle 1 and clamp plate 3, the lateral wall of right side fin 6 and the lateral wall laminating setting of clamp plate 3, threaded hole has been seted up to two slide bar 2's right-hand member face, the inner wall threaded connection of threaded hole has limiting plate 8, limiting plate 8's lateral wall and clamp plate 3's lateral wall laminating setting.

In the utility model, when in use, the fin plate 6 slides along the rod wall of the slide rod 2, then the pressing plate 3 is used for tightly pressing the fin plate 6, so that the fin plate 6 is tightly connected with the rubber strip 7, then the limiting plate 8 is rotated, the limiting plate 8 is in threaded connection with the end part of the slide rod 2, so that the pressing plate 3 can be fixed, the assembly of the heat exchanger is completed, the use is convenient, the air pump 9 is opened, the air pump 9 extracts the air in the sealing cover 12 through the telescopic air pipe 10, the air pressure condition in the sealing cover 12 can be observed through the air pressure gauge 15, if the air pressure rebounds, the leakage condition between the fin plate 6 and the rubber strip 7 can be detected, the sealing performance of the side wall of the sealing cover 12 can be ensured through the clamping connection of the side wall of the sealing cover 12 and the sealing groove 11, the sealing plug 14 is inserted into the slot 13, so that the sealing performance of the end part of the sealing cover 12 can be maintained, the detection accuracy is ensured.

Example 2

Referring to fig. 3-4, a plate-fin heat exchanger leak detection device comprises a baffle plate 1, two slide bars 2, a pressure plate 3, an air inlet pipe 4, an air outlet pipe 5, a fin plate 6 and a rubber strip 7, wherein the two slide bars 2 are respectively and fixedly connected to the side wall of the baffle plate 1, the pressure plate 3 and the fin plate 6 are respectively and slidably arranged on the bar walls of the slide bars 2, the rubber strip 7 is fixedly connected to the side wall of the fin plate 6, the air inlet pipe 4 and the air outlet pipe 5 are respectively and fixedly connected to the left side wall of the baffle plate 1, a leak detection mechanism is arranged at the joint of the fin plate 6 and the rubber strip 7, the leak detection mechanism comprises a suction cup 16, a check valve 17 and a pressure handle 18, the suction cup 16 is arranged on the side wall of the fin plate 6 in a suction cup 16, the pressure handle 18 is fixedly connected to the side wall of the suction cup 16, the fin plate 6 is arranged between the baffle plate 1 and the pressure plate 3, the side wall of the right fin plate 6 is attached to the side wall of the pressure plate 3, threaded holes are formed in the right end faces of the two sliding rods 2, a limiting plate 8 is connected to the inner wall of each threaded hole in a threaded mode, and the side wall of each limiting plate 8 is attached to the side wall of the corresponding pressing plate 3.

When the heat exchanger is used, the fin plate 6 slides along the rod wall of the sliding rod 2, the pressing plate 3 is used for pressing the fin plate 6 tightly, the fin plate 6 is tightly connected with the rubber strip 7, the limiting plate 8 is rotated, the limiting plate 8 is in threaded connection with the end part of the sliding rod 2, the pressing plate 3 can be fixed, the heat exchanger is assembled, the use is convenient, the sucking disc 16 is adsorbed on the side wall where the fin plate 6 is connected with the rubber strip 7, the air in the sucking disc 16 can be discharged through the one-way valve 17 by pressing the pressing handle 18, and if the sucking disc 16 is recovered or falls after being fixed, the leakage condition exists.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a plate-fin heat exchanger leak hunting device, includes baffle (1), two slide bars (2), clamp plate (3), intake pipe (4), outlet duct (5), finned plate (6) and rubber strip (7), its characterized in that:

the two sliding rods (2) are respectively and fixedly connected with the side wall of the baffle plate (1),

the pressing plate (3) and the fin plate (6) are respectively arranged on the rod wall of the sliding rod (2) in a sliding manner, the rubber strip (7) is fixedly connected to the side wall of the fin plate (6),

the air inlet pipe (4) and the air outlet pipe (5) are respectively and fixedly connected with the left side wall of the baffle plate (1),

and a leakage detection mechanism is arranged at the joint of the fin plate (6) and the rubber strip (7).

2. The leak detection device for the plate-fin heat exchanger according to claim 1, wherein: the fin plate (6) is arranged between the baffle plate (1) and the pressing plate (3), and the side wall of the fin plate (6) is attached to the side wall of the pressing plate (3).

3. The leak detection device for the plate-fin heat exchanger according to claim 1, wherein: two the right-hand member face of slide bar (2) is seted up threaded hole, the inner wall threaded connection of threaded hole has limiting plate (8), the lateral wall laminating setting of limiting plate (8) and clamp plate (3).

4. The leak detection device for the plate-fin heat exchanger according to claim 1, wherein the leak detection mechanism comprises an air pump (9), a telescopic air pipe (10), a sealing groove (11) and a sealing cover (12), the air pump (9) is fixedly connected to the upper end face of the pressing plate (3), the sealing groove (11) is fixedly connected to the side wall of the fin plate (6), the sealing cover (12) is inserted into the sealing groove (11), one end of the telescopic air pipe (10) is fixedly connected with the air pump (9), and the other end of the telescopic air pipe (10) is fixedly connected to the side wall of the sealing cover (12).

5. The leak detection device for the plate-fin heat exchanger according to claim 4, wherein: the fin plate is characterized in that a slot (13) is formed in the side wall of the fin plate (6), the upper end and the lower end of the sealing cover (12) are fixedly connected with sealing plugs (14), and the sealing plugs (14) are inserted into the slot (13).

6. The leak detection device for the plate-fin heat exchanger according to claim 4, wherein: the side wall of the sealing cover (12) is provided with a sealing hole, the inner wall of the sealing hole is provided with a barometer (15) in a sealing mode, and a probe of the barometer (15) extends to the inside of the sealing cover (12).

7. The leak detection device for the plate-fin heat exchanger according to claim 1, wherein: leak hunting mechanism includes sucking disc (16), check valve (17) and pressure handle (18), sucking disc (16) adsorb and set up on the lateral wall of finned plate (6), the fixed inside the lateral wall that sets up at sucking disc (16) of check valve (17), the pressure is on the lateral wall of sucking disc (16) fixed connection (18).