High-temperature and high-pressure plate heat exchanger with combined fins

Abstract

The invention discloses a combined fin high-temperature and high-pressure plate heat exchanger which comprises supporting columns, the two supporting columns are fixedly connected through an upper guide rod and a lower guide rod, end plates are arranged between the upper guide rod and the lower guide rod, a plate set is arranged between the two end plates, and through holes are formed in the side surfaces of the plate set and the end plates. During mounting operation, a plate sheet group and an end plate are sequentially mounted between an upper guide rod and a lower guide rod, then a handle can be manually rotated to drive a two-way screw rod to rotate, a threaded sleeve is driven under the action of a sliding rod and a sliding sleeve, so that the threaded sleeve moves left and right in the horizontal direction, an extrusion rod is driven, and the end plate is pushed; the end plates and the plate sheet sets are tightly attached together, follow-up water heat exchange operation is facilitated, the structure is simple, operation is convenient, the bolt structure does not need to be screwed repeatedly, the working intensity of workers is greatly reduced, and time is saved.

Description

Technical Field

[0001] The invention relates to the technical field of heat exchange equipment, and in particular to a combined fin high-temperature and high-pressure plate heat exchanger. Background Art

[0002] Plate heat exchanger is a heat exchange equipment widely used in chemical, petroleum, pharmaceutical and food industries. It consists of a series of heat transfer plates, frames and seals. The fluid channels on each heat transfer plate are interconnected, so heat exchange can be carried out between different fluids. This heat exchanger has the advantages of being light, compact, detachable and easy to clean, so it has been widely used.

[0003] The existing technology has the following problems:

[0004] After searching, the announcement number is: CN117685802B. A plate heat exchanger that is easy to assemble. In the above invention, a large number of bolt structures are used for fixed installation, which results in the need to repeatedly tighten the bolt structure during installation and subsequent maintenance operations, greatly wasting the time and energy of the staff.

[0005] To this end, we proposed a combined fin high-temperature and high-pressure plate heat exchanger to solve the above-mentioned drawbacks. Summary of the invention

[0006] The purpose of the present invention is to solve the problem that a large number of bolt structures are used for fixed installation in the prior art, resulting in the need to repeatedly tighten the bolt structures during installation and subsequent maintenance work, which greatly wastes the time and energy of the staff, and to propose a combined fin high-temperature and high-pressure plate heat exchanger.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A combined fin high-temperature and high-pressure plate heat exchanger comprises a support column, two of the support columns are fixedly connected by an upper guide rod and a lower guide rod, an end plate is arranged between the upper guide rod and the lower guide rod, a plate group is arranged between the two end plates, the side surfaces of the plate group and the end plates are both provided with through holes, a bidirectional screw rod is arranged at the through hole, and the bidirectional screw rod is connected to the support column, and a handle is installed at the end of the bidirectional screw rod, a threaded sleeve is arranged on the surface of the bidirectional screw rod, and an extrusion rod is arranged on the outer side of the threaded sleeve, a sliding sleeve is connected to the outer side of the threaded sleeve, the sliding sleeve is slidably connected to the sliding rod, and the sliding rod is fixedly connected to the support column.

[0009] Preferably, the plate group is composed of heat exchange plates and sealing gaskets, sealing gaskets are arranged between adjacent heat exchange plates, grooves are opened on the upper surfaces of the heat exchange plates, and damping springs are arranged in the grooves, a limiting plate is arranged above the damping spring, and the limiting plate is slidably connected to the upper guide rod.

[0010] Preferably, the side surface of the end plate is provided with an opening, and a plurality of openings are provided, and the plurality of openings are respectively provided with a refrigerant inlet, a refrigerant outlet, a heat medium inlet and a heat medium outlet.

[0011] Preferably, two groups of extrusion rods are provided, and the two groups of extrusion rods are symmetrically arranged with respect to the left-right direction of the threaded sleeve.

[0012] Preferably, a limit pin is provided on the side surface of the support column, and a limit hole for cooperating with the limit pin is opened on the surface of the handle.

[0013] Preferably, a connecting flange is provided at the opening.

[0014] Preferably, a rubber sleeve is provided on the surface of the handle.

[0015] Preferably, the side surfaces of the support columns are provided with feet.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The present invention, by arranging support columns, upper guide rods, lower guide rods, end plates, plate groups, through holes, bidirectional screw rods, handles, threaded sleeves, extrusion rods, sliding sleeves and slide rods, installs the plate group and the end plate between the upper guide rod and the lower guide rod in sequence during installation, and then manually rotates the handle to drive the bidirectional screw rod to rotate, and under the action of the sliding rod and the sliding sleeve, drives the threaded sleeve to move left and right in the horizontal direction, and then drives the extrusion rod to push the end plate, so that the end plate and the plate group are tightly fitted together for subsequent water heat exchange operations. The present invention has a simple structure and is easy to operate, and there is no need to repeatedly tighten the bolt structure, which greatly reduces the work intensity of the staff and saves time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below.

[0019] Figure 1 This is a schematic structural diagram of a combined fin high-temperature and high-pressure plate heat exchanger proposed by the present invention;

[0020] Figure 2 This is a schematic diagram of the overall structure of a heat exchange plate of a combined fin high-temperature and high-pressure plate heat exchanger proposed by the present invention;

[0021] Figure 3 This is a schematic diagram of the side view structure of a threaded sleeve of a combined fin high-temperature and high-pressure plate heat exchanger proposed by the present invention.

[0022] Legend:

[0023] 1. End plate; 2. Upper guide rod; 3. Lower guide rod; 4. Support column; 5. Plate group; 6. Heat exchange plate; 7. Through hole; 8. Limit pin; 9. Sealing gasket; 10. Groove; 11. Limit plate; 12. Damping spring; 13. Bidirectional screw rod; 14. Threaded sleeve; 15. Sliding rod; 16. Sliding sleeve; 17. Extrusion rod; 18. Handle; 19. Rubber sleeve; 20. Connecting flange; 21. Foot. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0025] Please refer to Figure 1-3 A combined fin high-temperature and high-pressure plate heat exchanger includes a support column 4, two support columns 4 are fixedly connected by an upper guide rod 2 and a lower guide rod 3, an end plate 1 is arranged between the upper guide rod 2 and the lower guide rod 3, a plate group 5 is arranged between the two end plates 1, and the side surfaces of the plate group 5 and the end plate 1 are both provided with a through hole 7, a bidirectional screw rod 13 is arranged at the through hole 7, and the bidirectional screw rod 13 is connected to the support column 4, and a handle 18 is installed at the end of the bidirectional screw rod 13, a threaded sleeve 14 is arranged on the surface of the bidirectional screw rod 13, and an extrusion rod 17 is arranged on the outer side of the threaded sleeve 14, a sliding sleeve 16 is connected to the outer side of the threaded sleeve 14, the sliding sleeve 16 is slidably connected to the sliding rod 15, and the sliding rod 15 is fixedly connected to the support column 4.

[0026] In this embodiment: during the installation operation, the plate group 5 and the end plate 1 are installed between the upper guide rod 2 and the lower guide rod 3 in sequence, and then the handle 18 can be manually rotated to drive the bidirectional screw 13 to rotate, and under the action of the sliding rod 15 and the sliding sleeve 16, the threaded sleeve 14 is driven to move left and right in the horizontal direction, and then the extrusion rod 17 is driven to push the end plate 1, so that the end plate 1 and the plate group 5 are tightly fitted together, so as to facilitate the subsequent water heat exchange operation. The present invention has a simple structure and is easy to operate. There is no need to repeatedly tighten the bolt structure, which greatly reduces the work intensity of the staff and saves time.

[0027] Specifically, the plate group 5 is composed of a heat exchange plate 6 and a sealing gasket 9. The sealing gasket 9 is arranged between adjacent heat exchange plates 6. A groove 10 is opened on the upper surface of the heat exchange plate 6, and a damping spring 12 is arranged in the groove 10. A limit plate 11 is arranged above the damping spring 12, and the limit plate 11 is slidably connected to the upper guide rod 2.

[0028] In this embodiment: by setting the heat exchange plate 6, the groove 10, the damping spring 12 and the limit plate 11, during the installation operation, by pressing the limit plate 11 to make it sink into the groove 10, the heat exchange plate 6 can be placed between the upper guide rod 2 and the lower guide rod 3, and the limit plate 11 is loosened. Under the reaction force of the damping spring 12, the upper guide rod 2 is fitted to complete the installation of the heat exchange plate 6. The installation is simple and easy to maintain. The setting of the sealing gasket 9 greatly increases the sealing between the heat exchange plates 6 and prevents water from flowing out of the gap between the heat exchange plates 6.

[0029] Specifically, the side surface of the end plate 1 is provided with a plurality of openings, and the plurality of openings are respectively provided with a refrigerant inlet, a refrigerant outlet, a heat medium inlet and a heat medium outlet.

[0030] In this embodiment: multiple openings are provided to facilitate the entry and discharge of hot water and cold water.

[0031] Specifically, two groups of extrusion rods 17 are provided, and the two groups of extrusion rods 17 are symmetrically arranged in the left-right direction with respect to the threaded sleeve 14 .

[0032] In this embodiment, two groups of extrusion rods 17 are provided to facilitate uniform application of force to the edge of the end plate 1 , thereby avoiding uneven force on the end plate 1 and affecting the sealing effect of the plate group 5 .

[0033] Specifically, a limit pin 8 is disposed on the side surface of the support column 4 , and a limit hole used in conjunction with the limit pin 8 is opened on the surface of the handle.

[0034] In this embodiment, by providing the limiting pin 8 and the limiting hole, the handle 18 can be conveniently limited and fixed to prevent it from rotating, thereby driving the threaded sleeve 14 and affecting the clamping and fixing of the plate group 5 .

[0035] Specifically, a connecting flange 20 is provided at the opening.

[0036] In this embodiment, the connection flange 20 is provided to facilitate fixed connection with external pipelines.

[0037] Specifically, a rubber sleeve 19 is provided on the surface of the handle 18 .

[0038] In this embodiment, the rubber sleeve 19 is provided to increase the friction between the handle 18 and the palm, thereby achieving an anti-slip effect.

[0039] Specifically, the side surface of the support column 4 is provided with a foot 21 .

[0040] In this embodiment, the foot 21 is provided to facilitate the fixed installation on the ground and prevent the dislocation.

[0041] Working principle: During the installation operation, the plate group 5 and the end plate 1 are installed between the upper guide rod 2 and the lower guide rod 3 in sequence, and then the handle 18 can be manually turned to drive the bidirectional screw 13 to rotate, and under the action of the slide rod 15 and the slide sleeve 16, the threaded sleeve 14 is driven to move horizontally left and right, and then the extrusion rod 17 is driven to push the end plate 1, so that the end plate 1 and the plate group 5 are tightly fitted together, so as to facilitate the subsequent water heat exchange operation. The present invention has a simple structure and is easy to operate. There is no need to repeatedly tighten the bolt structure, which greatly reduces the work intensity of the staff and saves time.

[0042] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. A combined fin high-temperature and high-pressure plate heat exchanger, comprising a support column (4), characterized in that: The two support columns (4) are fixedly connected by an upper guide rod (2) and a lower guide rod (3); an end plate (1) is arranged between the upper guide rod (2) and the lower guide rod (3); a plate group (5) is arranged between the two end plates (1); side surfaces of the plate group (5) and the end plate (1) are provided with through holes (7); a bidirectional screw rod (13) is arranged at the through hole (7); the bidirectional screw rod (13) is connected to the support column (4); a handle (18) is installed at the end of the bidirectional screw rod (13); a threaded sleeve (14) is arranged on the surface of the bidirectional screw rod (13); an extrusion rod (17) is arranged on the outer side of the threaded sleeve (14); a sliding sleeve (16) is connected to the outer side of the threaded sleeve (14); the sliding sleeve (16) is slidably connected to the sliding rod (15); and the sliding rod (15) is fixedly connected to the support column (4).

2. A combined fin high temperature and high pressure plate heat exchanger according to claim 1, characterized in that: The plate group (5) is composed of heat exchange plates (6) and sealing gaskets (9), wherein sealing gaskets (9) are arranged between adjacent heat exchange plates (6), a groove (10) is provided on the upper surface of the heat exchange plate (6), and a damping spring (12) is arranged at the groove (10), and a limit plate (11) is arranged above the damping spring (12), and the limit plate (11) is slidably connected to the upper guide rod (2).

3. The combined fin high temperature and high pressure plate heat exchanger according to claim 1, characterized in that: The side surface of the end plate (1) is provided with a plurality of openings, and the plurality of openings are respectively provided with a refrigerant inlet, a refrigerant outlet, a heat medium inlet and a heat medium outlet.

4. The combined fin high temperature and high pressure plate heat exchanger according to claim 1, characterized in that: The extrusion rods (17) are provided in two groups, and the two groups of the extrusion rods (17) are symmetrically arranged in the left-right direction with respect to the threaded sleeve (14).

5. The combined fin high temperature and high pressure plate heat exchanger according to claim 1, characterized in that: A limit pin (8) is provided on the side surface of the support column (4), and a limit hole used in conjunction with the limit pin (8) is provided on the surface of the handle.

6. The combined fin high temperature and high pressure plate heat exchanger according to claim 3, characterized in that: A connecting flange (20) is provided at the opening.

7. The combined fin high temperature and high pressure plate heat exchanger according to claim 1, characterized in that: The surface of the handle (18) is provided with a rubber sleeve (19).

8. The combined fin high temperature and high pressure plate heat exchanger according to claim 1, characterized in that: The side surface of the support column (4) is provided with a foot (21).

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