Plate heat exchanger capable of exchanging heat efficiently

Through the design of the lift switch mechanism and upper and lower heat transfer structure, the inconvenience of plate heat exchanger switching and pressure control problems are solved, and safe and reliable heat exchanger operation and efficient heat exchange are achieved.

CN120403294APending Publication Date: 2025-08-01DAYE SREAL HEAT EXCHANGER CO LTD
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Patent Information

Application Number
CN202510430852.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2025-08-01

AI Technical Summary

Technical Problem

The existing plate heat exchanger has inconvenient switching during operation, which affects the operation of external equipment and is difficult to control internal pressure, which poses safety hazards.

Method used

The lifting switch mechanism consisting of a fixed bottom plate, a cold flow cylinder, a lifting guide rail, a bidirectional motor, a vertical screw, a lifting slider, a hot flow cylinder and a heat conducting plate are adopted to control the contact between the heat conducting plate and the water in the cold flow cylinder to realize the switch of the heat exchanger, and the heat exchange efficiency is improved through the upper and lower heat transfer structure composed of a cold flow cylinder, a hot flow cylinder, a heat conducting plate, a limit bump, an upper graphene plate and a lower graphene plate.

Benefits of technology

It realizes the heat exchanger switch safely and reliably controlling without affecting the water flow, adapting to internal pressure changes, improving safety in emergencies, and improving heat exchange efficiency.

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Abstract

The efficient heat exchange plate heat exchanger comprises a fixed bottom plate, the upper surface of the fixed bottom plate is fixedly connected with a cold flow cylinder, the left side surface of the cold flow cylinder is fixedly connected with a lower water inlet pump, and the right side surface of the cold flow cylinder is fixedly connected with a lower water outlet pump; a lifting type switching mechanism is composed of a fixed bottom plate, a cold flow cylinder, a lifting guide rail, a bidirectional motor, a vertical screw, a lifting sliding block, a hot flow cylinder and a heat conduction plate, the hot flow cylinder can be lifted to control the heat conduction plate to make contact with water in the cold flow cylinder, and on-off of the heat exchanger is achieved under the condition that water flow conveying is not affected; in addition, adaptive lifting can be conducted by adapting to the internal pressure, safety control under the emergency situation is facilitated, and safety is improved; an up-down heat transfer structure is formed by the cold flow cylinder, the hot flow cylinder, the heat conduction plate, the limiting protruding blocks, the upper graphene plate and the lower graphene plate, water flow can make full contact with the heat conduction plate, and the heat exchange efficiency is higher under the action of the upper graphene plate and the lower graphene plate.
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Description

Technical Field

[0001] The present invention relates to the technical field of heat exchange, and particularly relates to a plate heat exchanger with high heat exchange efficiency. Background Art

[0002] During the operation of existing heat exchangers, it is necessary to cut off the water flow for switching, which is inconvenient to operate and will affect the operation of external equipment. The internal pressure is not easy to control, which may lead to safety problems and the safety of the heat exchanger is insufficient. The Chinese patent discloses a "plate heat exchanger" with the application number "CN202311623553.8". The plate can be positioned and welded into an integral structure, and then four communication ports are arranged on the plate heat exchanger as the inlets and outlets of the material. In this way, the plate heat exchanger no longer needs to install expansion joints separately at the inlets and outlets of the material, making the process and structure more perfect and convenient. The plate heat exchanger not only has a simple manufacturing process, relatively low cost, but also higher heat exchange efficiency. Its application number is "", but this heat exchanger is inconvenient to switch, and the internal pressure is not easy to control, which is not conducive to safety control in case of emergency and may lead to safety problems. Summary of the Invention

[0003] An object of the present invention is to solve at least one of the technical problems existing in the prior art, and provide a plate heat exchanger with high heat exchange efficiency. An elevating switching mechanism is composed of a fixed bottom plate, a cold flow cylinder, elevating guide rails, a bidirectional motor, a vertical screw rod, an elevating slider, a hot flow cylinder and heat conduction plate sheets, which can lift the hot flow cylinder to control the contact between the heat conduction plate sheets and the water in the cold flow cylinder, realizing the switching of the heat exchanger without affecting the water flow delivery, and can adaptively lift according to the internal pressure, which is beneficial to safety control in case of emergency and improves the safety of use; A vertical heat transfer structure is composed of a cold flow cylinder, a hot flow cylinder, heat conduction plate sheets, limiting bumps, an upper graphene plate and a lower graphene plate. The water flow will fully contact the heat conduction plate sheets, and under the action of the upper graphene plate and the lower graphene plate, a higher heat exchange efficiency will be achieved.

[0004] The present invention also provides a plate heat exchanger with the above-mentioned efficient heat exchange, including a fixed bottom plate, on the upper surface of which a cold flow cylinder is fixedly connected. On the left side surface of the cold flow cylinder, a lower water pump is fixedly connected, and on the right side surface of the cold flow cylinder, a lower water outlet pump is fixedly connected; a lifting guide rail, which is fixedly connected to the upper surface of the fixed bottom plate and is located at the four corners of the fixed bottom plate. Inside the lifting guide rail, a bidirectional motor is fixedly connected, and the bidirectional motor is located at the lower end of the lifting guide rail. The output end of the bidirectional motor is fixedly connected with a vertical screw rod, and the vertical screw rod is threadedly connected with a lifting slider, which is located inside the lifting guide rail; a heat flow cylinder, which is fixedly connected with the lifting slider. On the left side surface of the heat flow cylinder, an upper water pump is fixedly connected, and on the right side surface of the heat flow cylinder, an upper water outlet pump is fixedly connected. The heat flow cylinder is located directly above the cold flow cylinder and is sleeved outside the cold flow cylinder. Inside the heat flow cylinder, a heat conducting plate is fixedly connected. On the upper surface of the heat conducting plate, an upper graphene sheet is fixedly connected. The lower surface of the heat conducting plate abuts against the upper end of the cold flow cylinder. The lower end of the heat conducting plate is fixedly connected with a limiting convex block, which is sleeved inside the cold flow cylinder, and on the lower surface of the limiting convex block, a lower graphene sheet is fixedly connected.

[0005] According to a plate heat exchanger with efficient heat exchange provided by the present invention, an installation plate is fixedly connected to the lower surface of the fixed bottom plate, and the installation plate is provided with threaded installation holes, which are located at the four corners of the installation plate. This facilitates the installation and fixation of the plate heat exchanger.

[0006] According to a plate heat exchanger with efficient heat exchange provided by the present invention, the input end of the lower water pump is fixedly connected with a first water inlet sleeve, the output end of the lower water pump is communicated with the cold flow cylinder, the input end of the lower water outlet pump is communicated with the cold flow cylinder, and the output end of the lower water outlet pump is fixedly connected with a first water outlet sleeve. This facilitates the conveyance of water.

[0007] According to a plate heat exchanger with efficient heat exchange provided by the present invention, vertical sliding grooves are arranged on both the left and right side surfaces of the lifting guide rail. This facilitates the limiting installation of the lifting slider.

[0008] According to a plate heat exchanger with efficient heat exchange provided by the present invention, vertical sliding rods are fixedly connected to both the left and right side surfaces of the lifting slider, and the lifting slider is slidably connected with the vertical sliding grooves through the vertical sliding rods. This is conducive to the stable lifting of the lifting slider.

[0009] According to a plate heat exchanger with efficient heat exchange provided by the present invention, locking grooves are arranged on both the front and rear side surfaces of the heat flow cylinder, and a heat preservation cylinder cover is arranged at the upper end of the heat flow cylinder. An embedded block is fixedly connected to the lower surface of the heat preservation cylinder cover, and the embedded block is clamped inside the heat flow cylinder. This facilitates the heat preservation of the heat flow cylinder and prevents heat dissipation.

[0010] According to a plate heat exchanger with efficient heat exchange provided by the present invention, fixed vertical strip plates are fixedly connected to the front and rear ends of the heat preservation cylinder cover. A pull handle is fixedly connected to the outer surface of the fixed vertical strip plate, and a locking buckle is fixedly connected to the inner surface of the fixed vertical strip plate. The locking buckle is clamped with a locking groove. This facilitates the stable sealing of the heat preservation cylinder cover and the maintenance of the heat exchanger.

[0011] According to a plate heat exchanger with efficient heat exchange provided by the present invention, a second water inlet sleeve is fixedly connected to the input end of the upper water inlet pump. The output end of the upper water inlet pump is communicated with the heat flow cylinder. The input end of the upper water outlet pump is communicated with the heat flow cylinder, and a second water outlet sleeve is fixedly connected to the output end of the upper water outlet pump. This facilitates the transportation of water.

[0012] Compared with the prior art, the plate heat exchanger with efficient heat exchange provided by the present invention has the following beneficial effects: First, the device consists of a fixed bottom plate, a cold flow cylinder, a lifting guide rail, a bidirectional motor, a vertical screw rod, a lifting slider, a heat flow cylinder and heat conduction plate sheets to form a lifting switch mechanism. The heat flow cylinder can be lifted to control the contact between the heat conduction plate sheets and the water in the cold flow cylinder. The switch of the heat exchanger is realized without affecting the water flow transportation, and it can be adaptively lifted according to the internal pressure, which is beneficial to safety control in case of emergency and improves the safety of use. Second, the device consists of a cold flow cylinder, a heat flow cylinder, heat conduction plate sheets, limit bumps, an upper graphene plate and a lower graphene plate to form an up and down heat transfer structure. The water flow will fully contact the heat conduction plate sheets, and under the action of the upper graphene plate and the lower graphene plate, a higher heat exchange efficiency will be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below in conjunction with the drawings and embodiments; Figure 1 It is a longitudinal three-dimensional sectional structure schematic diagram of a plate heat exchanger with efficient heat exchange of the present invention; Figure 2 It is a top view structure schematic diagram of a plate heat exchanger with efficient heat exchange of the present invention; Figure 3 It is an overall structure schematic diagram of a plate heat exchanger with efficient heat exchange of the present invention; Figure 4 It is a transverse three-dimensional sectional structure schematic diagram of a plate heat exchanger with efficient heat exchange of the present invention.

[0014] Legend Explanation: 1. Fixed bottom plate; 2. Bidirectional motor; 3. Lifting guide rail; 4. Heat flow cylinder; 5. Pull handle; 6. Fixed vertical strip plate; 7. Heat preservation cylinder cover; 8. Upper water inlet pump; 9. Second water inlet sleeve; 10. Second water outlet sleeve; 11. Upper water outlet pump; 12. Threaded installation hole; 13. Installation plate; 14. First water outlet sleeve; 15. Lower water outlet pump; 16. Cold flow cylinder; 17. Vertical screw rod; 18. Lifting slider; 19. Vertical chute; 20. Vertical sliding rod; 21. Heat conduction plate piece; 22. Upper graphene sheet; 23. Limit convex block; 24. Lower graphene sheet; 25. Lower water inlet pump; 26. First water inlet sleeve; 27. Embedded block; 28. Locking groove; 29. Locking fastener. Detailed implementation mode

[0015] This part will describe the specific embodiments of the present invention in detail. The preferred embodiments of the present invention are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the protection scope of the present invention.

[0016] Refer to Figure 1 , Figure 3 and Figure 4 , an efficient heat exchange plate heat exchanger according to an embodiment of the present invention includes a fixed bottom plate 1. The lower surface of the fixed bottom plate 1 is fixedly connected with an installation plate 13. The installation plate 13 is provided with threaded installation holes 12, and the threaded installation holes 12 are located at the four corners of the installation plate 13. The upper surface of the fixed bottom plate 1 is fixedly connected with a cold flow cylinder 16. The left surface of the cold flow cylinder 16 is fixedly connected with a lower water inlet pump 25. The right surface of the cold flow cylinder 16 is fixedly connected with a lower water outlet pump 15. The input end of the lower water inlet pump 25 is fixedly connected with a first water inlet sleeve 26. The output end of the lower water inlet pump 25 is communicated with the cold flow cylinder 16. The input end of the lower water outlet pump 15 is communicated with the cold flow cylinder 16. The output end of the lower water outlet pump 15 is fixedly connected with a first water outlet sleeve 14; Specifically, hoses are sleeved on the first water inlet sleeve 26 and the first water outlet sleeve 14. Cold water will enter the cold flow cylinder 16 through the hoses and the lower water inlet pump 25, filling the cold flow cylinder 16 with cold water. The cold water in the cold flow cylinder 16 will contact the heat conduction plate piece 21. The hot water in the heat flow cylinder 4 will conduct heat to the cold water in the cold flow cylinder 16 through the heat conduction plate piece 21. The temperature of the cold water in the cold flow cylinder 16 will rise, and the cold water will become warm water, which will flow out through the lower water outlet pump 15 and the hoses.

[0017] Refer to Figure 2 and Figure 3, the lifting guide rail 3, the lifting guide rail 3 is fixedly connected to the upper surface of the fixed base plate 1. The lifting guide rail 3 is located at the four corners of the fixed base plate 1. Vertical sliding grooves 19 are provided on the left and right side surfaces of the lifting guide rail 3. A bidirectional motor 2 is fixedly connected inside the lifting guide rail 3. The bidirectional motor 2 is located at the lower end of the lifting guide rail 3. The output end of the bidirectional motor 2 is fixedly connected with a vertical screw rod 17. The vertical screw rod 17 is threadedly connected with a lifting slider 18. The lifting slider 18 is located inside the lifting guide rail 3. Vertical sliding rods 20 are fixedly connected to the left and right side surfaces of the lifting slider 18. The lifting slider 18 is slidably connected with the vertical sliding grooves 19 through the vertical sliding rods 20; Specifically, during the process of opening and closing the heat exchanger and performing adaptive pressure regulation, the bidirectional motor 2 of the lifting guide rail 3 will drive the vertical screw rod 17 to rotate forward and backward. The vertical screw rod 17 will drive the lifting slider 18 to lift inside the lifting guide rail 3. The lifting slider 18 will drive the heat flow cylinder 4 to lift. When the heat flow cylinder 4 rises to the point where the heat conduction plate 21 inside does not contact the cold water in the cold flow cylinder 16, the heat exchanger closes, and the internal pressure will decrease. When the heat flow cylinder 4 descends to the point where the heat conduction plate 21 inside is in full contact with the cold water in the cold flow cylinder 16, the heat exchanger opens, and the internal pressure will increase.

[0018] Refer to Figure 1 , Figure 3 and Figure 4 , the heat flow cylinder 4, the heat flow cylinder 4 is fixedly connected with the lifting slider 18. Locking grooves 28 are provided on the front and rear side surfaces of the heat flow cylinder 4. A heat preservation cylinder cover 7 is provided at the upper end of the heat flow cylinder 4. An embedded block 27 is fixedly connected to the lower surface of the heat preservation cylinder cover 7. The embedded block 27 is clamped inside the heat flow cylinder 4. Fixed vertical strip plates 6 are fixedly connected to the front and rear ends of the heat preservation cylinder cover 7. A pull handle 5 is fixedly connected to the outer surface of the fixed vertical strip plates 6. A locking buckle 29 is fixedly connected to the inner surface of the fixed vertical strip plates 6. The locking buckle 29 is clamped with the locking groove 28. An upper water inlet pump 8 is fixedly connected to the left side surface of the heat flow cylinder 4. An upper water outlet pump 11 is fixedly connected to the right side surface of the heat flow cylinder 4. The input end of the upper water inlet pump 8 is fixedly connected with a second water inlet sleeve 9. The output end of the upper water inlet pump 8 is communicated with the heat flow cylinder 4. The input end of the upper water outlet pump 11 is communicated with the heat flow cylinder 4. The output end of the upper water outlet pump 11 is fixedly connected with a second water outlet sleeve 10. The heat flow cylinder 4 is located directly above the cold flow cylinder 16. The heat flow cylinder 4 is sleeved outside the cold flow cylinder 16. A heat conduction plate 21 is fixedly connected inside the heat flow cylinder 4. An upper graphene sheet 22 is fixedly connected to the upper surface of the heat conduction plate 21. The lower surface of the heat conduction plate 21 abuts against the upper end of the cold flow cylinder 16. A limiting convex block 23 is fixedly connected to the lower end of the heat conduction plate 21. The limiting convex block 23 is sleeved inside the cold flow cylinder 16. A lower graphene sheet 24 is fixedly connected to the lower surface of the limiting convex block 23; Specifically, a hose is sleeved on the second water inlet casing 9 and the second water outlet casing 10. The hot water will enter the heat flow cylinder 4 through the hose and the upper water inlet pump 8. The hot water in the heat flow cylinder 4 will fully contact the heat conduction plate 21. The hot water in the heat flow cylinder 4 will conduct heat to the cold water in the cold flow cylinder 16 through the heat conduction plate 21. The temperature of the hot water in the heat flow cylinder 4 will decrease, and the hot water will become warm water. The warm water will flow out through the upper water outlet pump 11 and the hose. During the heat exchange process of the heat exchanger, the heat of the hot water will be conducted to the cold water through the upper graphene sheet 22, the heat conduction plate 21, the limit bump 23 and the lower graphene sheet 24, so that the cold water is heated to warm water.

[0019] Working principle: A plate heat exchanger with high-efficiency heat exchange is used for heat exchange. The cold water is conveyed to the inside of the cold flow cylinder 16, and the hot water is conveyed to the inside of the heat flow cylinder 4. The hot water in the heat flow cylinder 4 will conduct heat to the cold water in the cold flow cylinder 16 through the heat conduction plate 21. The hot water in the heat flow cylinder 4 will be cooled to warm water and flow out. The cold water in the cold flow cylinder 16 will be heated to warm water and flow out; the lifting guide rail 3 can lift the heat flow cylinder 4 to switch the heat exchanger and adjust the pressure adaptively.

[0020] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. A plate heat exchanger with high-efficiency heat exchange, characterized in that, Including: A fixed bottom plate (1), on the upper surface of which a cold flow cylinder (16) is fixedly connected. On the left side surface of the cold flow cylinder (16), a downward water pump (25) is fixedly connected, and on the right side surface of the cold flow cylinder (16), a downward outlet water pump (15) is fixedly connected. Lifting guide rails (3), which are fixedly connected to the upper surface of the fixed bottom plate (1). The lifting guide rails (3) are located at the four corners of the fixed bottom plate (1). Inside the lifting guide rails (3), a bidirectional motor (2) is fixedly connected. The bidirectional motor (2) is located at the lower end of the lifting guide rails (3). The output end of the bidirectional motor (2) is fixedly connected to a vertical screw rod (17), and the vertical screw rod (17) is threadedly connected to a lifting slider (18). The lifting slider (18) is located inside the lifting guide rails (3). A heat flow cylinder (4), which is fixedly connected to the lifting slider (18). On the left side surface of the heat flow cylinder (4), an upward water pump (8) is fixedly connected, and on the right side surface of the heat flow cylinder (4), an upward outlet water pump (11) is fixedly connected. The heat flow cylinder (4) is located directly above the cold flow cylinder (16), and the heat flow cylinder (4) is sleeved outside the cold flow cylinder (16). Inside the heat flow cylinder (4), a heat conducting plate (21) is fixedly connected. On the upper surface of the heat conducting plate (21), an upper graphene sheet (22) is fixedly connected. The lower surface of the heat conducting plate (21) abuts against the upper end of the cold flow cylinder (16). The lower end of the heat conducting plate (21) is fixedly connected with a limiting convex block (23). The limiting convex block (23) is sleeved inside the cold flow cylinder (16), and on the lower surface of the limiting convex block (23), a lower graphene sheet (24) is fixedly connected.

2. The plate heat exchanger for efficient heat exchange according to claim 1, wherein On the lower surface of the fixed bottom plate (1), a mounting plate (13) is fixedly connected. The mounting plate (13) is provided with threaded mounting holes (12), and the threaded mounting holes (12) are located at the four corners of the mounting plate (13).

3. The plate heat exchanger for efficient heat exchange according to claim 1, characterized in that The input end of the downward water pump (25) is fixedly connected with a first water inlet sleeve (26), and the output end of the downward water pump (25) is communicated with the cold flow cylinder (16). The input end of the downward outlet water pump (15) is communicated with the cold flow cylinder (16), and the output end of the downward outlet water pump (15) is fixedly connected with a first water outlet sleeve (14).

4. A plate heat exchanger with high-efficiency heat exchange according to claim 1, characterized in that, Vertical sliding grooves (19) are arranged on the left and right side surfaces of the lifting guide rails (3).

5. An efficient heat exchange plate heat exchanger according to claim 1, characterized in that, Vertical sliding rods (20) are fixedly connected to the left and right side surfaces of the lifting slider (18), and the lifting slider (18) is slidably connected with the vertical sliding grooves (19) through the vertical sliding rods (20).

6. The plate heat exchanger for efficient heat exchange according to claim 1, wherein Locking grooves (28) are arranged on the front and back side surfaces of the heat flow cylinder (4). On the upper end of the heat flow cylinder (4), a heat preservation cylinder cover (7) is arranged. On the lower surface of the heat preservation cylinder cover (7), an embedded block (27) is fixedly connected, and the embedded block (27) is clamped inside the heat flow cylinder (4).

7. The plate heat exchanger for efficient heat exchange according to claim 6, characterized in that Both the front and rear ends of the heat preservation cylinder head (7) are fixedly connected with fixed vertical strip plates (6). A pull handle (5) is fixedly connected to the outer surface of the fixed vertical strip plate (6). A lock catch (29) is fixedly connected to the inner surface of the fixed vertical strip plate (6). The lock catch (29) is engaged with a lock slot (28).

8. An efficient heat exchange plate heat exchanger according to claim 1, characterized in that, The input end of the upper water inlet pump (8) is fixedly connected with a second water inlet sleeve (9). The output end of the upper water inlet pump (8) is communicated with the heat flow cylinder (4). The input end of the upper water outlet pump (11) is communicated with the heat flow cylinder (4). The output end of the upper water outlet pump (11) is fixedly connected with a second water outlet sleeve (10).

Citation Information

Patent Citations

  • Plate heat exchanger

    CN117928285A