Stainless steel double-tube-sheet heat exchanger

By introducing dust cover and telescopic mechanism into stainless steel double-tube plate heat exchanger, the problem of dust entry is solved, the equipment's dustproof effect and disassembly convenience are improved, the service life is extended and the heat exchange of fluid residues is avoided. Influence.

CN222231380UActive Publication Date: 2024-12-24LIAONING HENGXIN HEAT EXCHANGE EQUIPMENT MANUFACTURING CO LTD
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Patent Information

Application Number
CN202420789381.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-17
Publication Date
2024-12-24
Estimated Expiration
2034-04-17

AI Technical Summary

Technical Problem

The existing stainless steel double-tube heat exchanger cannot prevent dust from entering when not in use, affecting its service life and working efficiency.

Method used

A stainless steel double-tube plate heat exchanger including a dust cover plate, a telescopic spring fixture and fixing bolts is designed to prevent dust from entering by rotating the dust cover plate and moving the fixing plate and disassembly when needed to clean up residual fluid.

Benefits of technology

Effectively prevent dust from reducing the conversion efficiency of stainless steel plates, extending the service life of the equipment, and convenient disassembly and clean when needed, avoiding fluid residues affecting heat exchange.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222231380U_ABST
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Abstract

The utility model discloses a stainless steel double-tube plate type heat exchanger, which relates to the technical field of stainless steel double-tube plate type heat exchangers, and comprises a left end fixing plate, when the stainless steel double-tube plate type heat exchanger is used, the stainless steel double-tube plate type heat exchanger is firstly placed at a proper position, and then cold and hot fluids needing heat exchange are respectively conveyed into the stainless steel double-tube plate type heat exchanger through a heat exchange tube and a flange plate; when the device is used, cold and hot fluid conveyed into the device can be subjected to heat exchange through the stainless steel plate piece and the sealing gasket, then the fluid subjected to heat exchange leaves the device again through the heat exchange pipe and the flange plate, and at the moment, the cold and hot exchange of the device for the cold and hot fluid is completed; at the moment, a right end fixing plate abutting plate can move towards the side close to a telescopic spring fixing frame, then a dust shielding plate is rotated, the dust shielding plate can rotate towards the right side under the action of a dust shielding plate rotating shaft till the dust shielding plate rotates to the position over the right end fixing plate, and then the right end fixing plate abutting plate can move towards one side of the right end fixing plate under the action of a telescopic spring.
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Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel double-tube plate heat exchangers, in particular to a stainless steel double-tube plate heat exchanger. Background Art

[0002] The stainless steel double tube sheet heat exchanger is a heat exchange equipment widely used in the pharmaceutical industry. It is commonly used for heat transfer between liquid and liquid, gas and gas, and gas and liquid. It has the advantages of simple structure, small size, light weight, and high heat transfer efficiency. It is widely used in pharmaceutical chemical industry, bioengineering, food and beverage and other industries. However, some existing stainless steel double tube sheet heat exchangers are not able to prevent dust from the accessories when not in use, which may not only affect the service life of the heat exchanger, but also may affect the subsequent working efficiency of the heat exchanger. Therefore, those skilled in the art provide a stainless steel double tube sheet heat exchanger to solve the problems raised in the above background technology. Utility Model Content

[0003] The utility model aims to provide a stainless steel double tube plate heat exchanger to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A stainless steel double-tube plate heat exchanger comprises a left-end fixing plate; dust shield plates are arranged on the upper side and front and rear right sides of the left-end fixing plate, dust shield plate rotating shaft fixing blocks are arranged on the lower ends of the front and rear sides of the dust shield plate, and a dust shield plate rotating shaft is arranged in the middle of the front surface of the dust shield plate rotating shaft fixing block; a telescopic spring fixing frame is arranged on the upper right side of the dust shield plate, a plurality of telescopic springs are arranged in the middle of the lower side of the telescopic spring fixing frame, and a right-end fixing plate abutment plate is arranged on the lower side of the telescopic spring; left supporting feet are arranged on the front and rear ends of the lower side of the left-end fixing plate, and guide rods are arranged on the upper and lower ends of the middle of the right side of the left-end fixing plate; a stainless steel Plate, a stainless steel plate guide groove is provided in the middle of the upper surface of the stainless steel plate; a sealing gasket is provided on the right side of the stainless steel plate, a plurality of stainless steel plate fixing blocks are provided on the front and rear sides of the stainless steel plate, and a stainless steel plate fixing block through hole is provided in the middle of the right surface of the stainless steel plate fixing block; a right end fixing plate is provided on the right side of the sealing gasket, a plurality of fixing bolts are provided on the front and rear sides of the right surface of the right end fixing plate, and a fixing nut is provided on the left end of the outer side of the fixing bolt; heat exchange tubes are provided at the upper and lower ends in the middle of the right side of the right end fixing plate, and a flange is provided on the right side of the heat exchange tube; right supporting feet are provided at the front and rear ends of the lower side of the right end fixing plate.

[0006] Preferably, a right end fixing plate is provided on the right side of the sealing gasket, a plurality of fixing bolts are provided inside the front and rear sides of the right surface of the right end fixing plate, and a fixing nut is provided at the outer left end of the fixing bolt; heat exchange tubes are provided at the upper and lower ends in the middle of the right side of the right end fixing plate, and a flange is provided on the right side of the heat exchange tube; right supporting feet are provided at the front and rear ends of the lower side of the right end fixing plate.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] 1. First, place the device in a suitable position, and then transport the hot and cold fluids that need to be heat exchanged to the inside of the device through the heat exchange tube and the flange respectively. Then, the stainless steel plate and the sealing gasket can perform heat exchange on the hot and cold fluids transported to the inside of the device. Then, the fluids that have completed the heat exchange will leave the device through the heat exchange tube and the flange again. At this time, the hot and cold exchange of the hot and cold fluids by the device is completed. When the device is not needed, the right-end fixed plate can be moved to the side close to the telescopic spring fixing frame, and then the dust shielding plate can be rotated. The dust shielding plate will rotate to the right under the action of the dust shielding plate rotating shaft until it rotates to the top of the right-end fixed plate. Then, the right-end fixed plate against the plate will move to one side of the right-end fixed plate under the action of the telescopic spring until the right-end fixed plate against the plate completely against the right-end fixed plate. At this time, the fixation between the dust shielding plate and the right-end fixed plate is completed, and then the upper side of the device can be dustproof. For the front and rear sides of the device The above operation can be repeated for the dust shielding plate, and then the front and rear sides of the device can be dust-proof, thereby preventing the conversion efficiency of the stainless steel plate from being reduced due to a large amount of dust falling into the interior of the stainless steel plate, and at this time, the dust shielding plate and the right end fixing plate are fixed by the right end fixing plate, so that when the number of stainless steel plates in the device is different, the dust shielding plate can still prevent the stainless steel plates in the device from dust, thereby improving the practicality of the dust shielding plate, and when the device needs to be disassembled, it is only necessary to rotate the fixing nut and separate it from the fixing bolt, and then remove the fixing nut from the interior of the stainless steel plate fixing block, and then the device can be disassembled; the upper side, front side and rear side of the device are all provided with dust shielding plates, thereby preventing the stainless steel plates in the device from being dust-proof in all directions, thereby preventing the conversion efficiency of the stainless steel plates from being reduced due to a large amount of dust falling into the interior of the stainless steel plate.

[0009] 2. The device can be disassembled by rotating the fixing nut, so that the residual fluid inside the stainless steel plate can be cleaned to avoid the residual fluid affecting the heat exchange of other fluids. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of a stainless steel double tube plate heat exchanger.

[0011] Figure 2 This is a schematic diagram of the internal structure of a stainless steel double-tube plate heat exchanger.

[0012] Figure 3 This is a schematic diagram of the enlarged structure of point A in a stainless steel double-tube plate heat exchanger.

[0013] Figure 4 It is a side plan view schematic diagram of a stainless steel double tube plate heat exchanger.

[0014] In the figure: 1-left end fixed plate, 2-dust shielding plate rotating shaft fixing block, 3-dust shielding plate rotating shaft, 4-dust shielding plate, 5-telescopic spring fixing frame, 6-telescopic spring, 7-right end fixed plate abutment plate, 8-stainless steel plate, 9-stainless steel plate guide groove, 10-guide rod, 11-stainless steel plate fixing block, 12-fixing bolt, 13-right end fixed plate, 14-heat exchange tube, 15-flange, 16-fixing nut, 17-stainless steel plate fixing block through hole, 18-right support foot, 19-left support foot, 20-sealing gasket. DETAILED DESCRIPTION

[0015] See also Figures 1 to 4 In the embodiment of the utility model, a stainless steel double-tube plate heat exchanger comprises a left-end fixing plate 1; dust shielding plates 4 are arranged on the upper side and the front and rear right sides of the left-end fixing plate 1, and dust shielding plate rotating shaft fixing blocks 2 are arranged on the lower ends of the front and rear sides of the dust shielding plate 4, and a dust shielding plate rotating shaft 3 is arranged in the middle of the front surface of the dust shielding plate rotating shaft fixing block 2; a telescopic spring fixing frame 5 is arranged on the upper right end of the dust shielding plate 4, and a plurality of telescopic springs 6 are arranged in the middle of the lower side of the telescopic spring fixing frame 5, and a right-end fixing plate abutment plate 7 is arranged on the lower side of the telescopic spring 6; left supporting feet 19 are arranged on the front and rear ends of the lower side of the left-end fixing plate 1, and guide rods 10 are arranged on the upper and lower ends of the right middle of the left-end fixing plate 1; a stainless steel plate 8 is arranged on the right side of the left-end fixing plate 1 A stainless steel plate guide groove 9 is provided in the middle of the upper surface of the stainless steel plate 8; a sealing gasket 20 is provided on the right side of the stainless steel plate 8, and a plurality of stainless steel plate fixing blocks 11 are provided on the front and rear sides of the stainless steel plate 8, and a stainless steel plate fixing block through hole 17 is provided in the middle of the right surface of the stainless steel plate fixing block 11; a right end fixing plate 13 is provided on the right side of the sealing gasket 20, and a plurality of fixing bolts 12 are provided inside the front and rear sides of the right surface of the right end fixing plate 13, and a fixing nut 16 is provided at the left end of the outer side of the fixing bolt 12; heat exchange tubes 14 are provided at the upper and lower ends of the middle of the right side of the right end fixing plate 13, and a flange 15 is provided on the right side of the heat exchange tube 14; right support feet 18 are provided at the front and rear ends of the lower side of the right end fixing plate 13.

[0016] The working principle of the utility model is: when in use, the device is first placed in a suitable position, and then the hot and cold fluids that need to be heat exchanged are transported to the inside of the device through the heat exchange tube 14 and the flange 15 respectively, and then the stainless steel plate 8 and the sealing gasket 20 can perform heat exchange on the hot and cold fluids transported to the inside of the device, and then the fluids that have completed the heat exchange will leave the device again through the heat exchange tube 14 and the flange 15, and the hot and cold exchange of the device for the hot and cold fluids is completed. When the device is not needed, the right end fixing plate 7 can be moved close to the telescopic spring fixing plate The dust shielding plate 4 is moved to one side of the frame 5, and then the dust shielding plate 4 is rotated. The dust shielding plate 4 will rotate to the right side under the action of the dust shielding plate rotating shaft 3 until it is rotated to just above the right end fixing plate 13, and then the right end fixing plate abutting plate 7 will move to one side of the right end fixing plate 13 under the action of the telescopic spring 6 until the right end fixing plate abutting plate 7 completely abuts against the right end fixing plate 13, at this time, the fixation between the dust shielding plate 4 and the right end fixing plate 13 is completed, and then the upper side of the device can be dustproof, and the above operation can be repeated for the dust shielding plates 4 on the front and rear sides of the device, and then the front and rear sides of the device can be The rear side plays a dust-proof role, thereby preventing a large amount of dust from falling into the interior of the stainless steel plate 8 and reducing the conversion efficiency of the stainless steel plate 8. At this time, the dust shielding plate 4 is fixed to the right end fixing plate 13 by the right end fixing plate abutting plate 7, so that when the number of stainless steel plates 8 inside the device is different, the dust shielding plate 4 can still play a dust-proof role for the stainless steel plates 8 inside the device, thereby improving the practicality of the dust shielding plate 4. When the device needs to be disassembled, it is only necessary to rotate the fixing nut 16 and separate it from the fixing bolt 12, and then tighten the fixing nut 1 6 is taken out from the interior of the stainless steel plate fixing block 11, and then the device can be disassembled; the upper side, front side and rear side of the device are all provided with dust shielding plates 4, so that the stainless steel plate 8 inside the device can play an all-round dust-proof role, thereby preventing the conversion efficiency of the stainless steel plate 8 from being reduced due to a large amount of dust falling into the interior of the stainless steel plate 8; the device can be disassembled by rotating the fixing nut 16, so that the residual fluid inside the stainless steel plate 8 can be cleaned, avoiding the residual fluid from affecting the heat exchange of other fluids.

[0017] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A stainless steel double tube plate heat exchanger, comprising a left end fixing plate (1) and a dust shielding plate (4), characterized in that: The upper side and the front and rear right sides of the left end fixing plate (1) are both provided with dust shielding plates (4); the lower ends of the front and rear sides of the dust shielding plate (4) are provided with dust shielding plate rotating shaft fixing blocks (2); the dust shielding plate rotating shaft (3) is provided in the middle of the front surface of the dust shielding plate rotating shaft fixing block (2); the upper right side of the dust shielding plate (4) is provided with a telescopic spring fixing frame (5); the middle of the lower side of the telescopic spring fixing frame (5) is provided with a plurality of telescopic springs (6); the lower side of the telescopic spring (6) is provided with a right end fixing plate abutting plate (7).

2. A stainless steel double tube plate heat exchanger according to claim 1, characterized in that: Left supporting feet (19) are provided at the front and rear ends of the lower side of the left end fixing plate (1), and guide rods (10) are provided at the upper and lower ends of the middle of the right side of the left end fixing plate (1).

3. A stainless steel double tube plate heat exchanger according to claim 1, characterized in that: A stainless steel plate (8) is provided on the right side of the left end fixing plate (1), and a stainless steel plate guide groove (9) is provided in the middle of the upper surface of the stainless steel plate (8).

4. A stainless steel double tube plate heat exchanger according to claim 3, characterized in that: A sealing gasket (20) is provided on the right side of the stainless steel plate (8), a plurality of stainless steel plate fixing blocks (11) are provided on the front and rear sides of the stainless steel plate (8), and a stainless steel plate fixing block through hole (17) is provided in the middle of the right surface of the stainless steel plate fixing block (11).

5. A stainless steel double tube plate heat exchanger according to claim 4, characterized in that: A right end fixing plate (13) is provided on the right side of the sealing gasket (20), a plurality of fixing bolts (12) are provided inside the front and rear sides of the right surface of the right end fixing plate (13), and a fixing nut (16) is provided at the left end of the outer side of the fixing bolt (12).

6. A stainless steel double tube plate heat exchanger according to claim 5, characterized in that: Heat exchange tubes (14) are provided at the upper and lower ends of the middle of the right side of the right end fixing plate (13), and a flange plate (15) is provided on the right side of the heat exchange tube (14).

7. The stainless steel double tube plate heat exchanger according to claim 5, characterized in that: Right supporting feet (18) are provided at the front and rear ends of the lower side of the right end fixing plate (13).