Intermediate heat exchange assembly of plate heat exchanger and plate heat exchanger

Abstract

The utility model provides an intermediate heat exchange assembly of a plate heat exchanger and the plate heat exchanger. The intermediate heat exchange assembly comprises two side panels which are arranged in parallel at an interval, a first through hole and a second through hole are formed in the upper end of the side panel, and a third through hole and a fourth through hole are formed in the lower end of the side panel; the first through holes of the two side panels are communicated through a first middle pipe, the second through holes of the two side panels are communicated through a second middle pipe, the third through holes of the two side panels are communicated through a third middle pipe, and the fourth through holes of the two side panels are communicated through a fourth middle pipe; the side walls of the first middle pipe, the second middle pipe, the third middle pipe and the fourth middle pipe are all provided with exchange pipes communicated with the interiors of the first middle pipe, the second middle pipe, the third middle pipe and the fourth middle pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of plate heat exchangers, in particular to an intermediate heat exchange component of a plate heat exchanger and a plate heat exchanger. Background Art

[0002] Plate heat exchanger is a kind of high-efficiency heat exchanger made of a series of metal sheets with certain corrugated shapes. Thin rectangular channels are formed between various plates, and heat is exchanged through the plates. Plate heat exchanger is an ideal equipment for liquid-liquid and liquid-steam heat exchange.

[0003] For example, a heat exchange device disclosed in the patent with patent authorization announcement number CN 215984132 U.

[0004] refer to Figure 1 As shown, a plurality of heat exchange plates are arranged between two clamping plates, and the two clamping plates are respectively provided with inlets and outlets for cold and hot fluids.

[0005] The plate heat exchanger mentioned above can only realize the fluid inlet and outlet on the clamping plates on both sides of the heat exchange plate (because the inlet and outlet of the cold and hot fluids are set on the clamping plates), and cannot realize the fluid inlet and outlet in the middle of the fluid passing through the heat exchange plate, so there are certain limitations. Summary of the invention

[0006] In view of the problems pointed out in the background technology, the utility model proposes an intermediate heat exchange component of a plate heat exchanger and a plate heat exchanger to solve the above technical problems.

[0007] The technical solution of the utility model is achieved in this way:

[0008] An intermediate heat exchange component of a plate heat exchanger,

[0009] comprising two side panels spaced apart and arranged in parallel;

[0010] The upper end of the side panel is provided with a first through hole and a second through hole, and the lower end of the side panel is provided with a third through hole and a fourth through hole;

[0011] The first through holes of the two side panels are connected through the first intermediate tube, the second through holes of the two side panels are connected through the second intermediate tube, the third through holes of the two side panels are connected through the third intermediate tube, and the fourth through holes of the two side panels are connected through the fourth intermediate tube;

[0012] The side walls of the first intermediate tube, the second intermediate tube, the third intermediate tube and the fourth intermediate tube are all provided with exchange tubes communicating with the interior thereof.

[0013] The utility model is further configured that the first intermediate tube, the second intermediate tube, the third intermediate tube and the fourth intermediate tube are all rotatably arranged.

[0014] The utility model is further configured that a connecting groove is provided in the middle of the upper end of the side panel.

[0015] The utility model is further configured that a supporting groove is provided in the middle of the lower end of the side panel.

[0016] The utility model is further configured that a fixing frame connecting the two side panels is provided between the two side panels.

[0017] The utility model is further configured that the end of the exchange tube is provided with a threaded joint.

[0018] The utility model is further configured such that the axial ends of the first intermediate tube, the second intermediate tube, the third intermediate tube and the fourth intermediate tube are respectively provided with annular fixing plates, and the end faces of the fixing plates are provided with protruding annular connecting plates, which are connected to the corresponding first through holes, the second through holes, the third through holes and the fourth through holes.

[0019] The utility model is further configured such that the thickness of the side panel is equal to the thickness of the connecting plate.

[0020] The utility model is further configured that the fixing frame is fixed to the two side panels by welding.

[0021] A plate heat exchanger comprises a mounting plate, wherein mounting rods are provided at the upper and lower ends of the mounting plate, one end of the mounting rod is connected to the mounting plate, and the other end of the mounting rod is connected to the fixing rod, a clamping plate is provided between the fixing rod and the mounting plate, a plurality of heat exchange fins are stacked between the clamping plate and the mounting plate, and the above-mentioned intermediate heat exchange assembly is arranged between two adjacent heat exchange fins.

[0022] By adopting the above technical solution, the beneficial effects of the utility model are as follows:

[0023] The intermediate heat exchange component of the plate heat exchanger and the plate heat exchanger provided by the utility model are arranged by arranging the intermediate heat exchange component between two adjacent heat exchange plates of a plurality of stacked heat exchange plates, and the intermediate heat exchange component is used to realize the inlet and outlet of the fluid in the middle of the fluid passing through the heat exchange plates, and the direction of the fluid inlet and outlet can be adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0025] Figure 1 It is a structural schematic diagram of an existing plate heat exchanger.

[0026] Figure 2 It is a schematic diagram of the structure of the intermediate heat exchange component of the utility model.

[0027] Figure 3 The schematic diagram of the intermediate heat exchange component of the utility model is shown in FIG. Figure 1 .

[0028] Figure 4 The schematic diagram of the intermediate heat exchange component of the utility model is shown in FIG. Figure 2 .

[0029] Figure 5 It is a structural schematic diagram of the plate heat exchanger of the utility model.

[0030] Explanation of the numbers in the accompanying drawings: side panel 1, first through hole 2, second through hole 3, third through hole 4, fourth through hole 5, first intermediate tube 6, second intermediate tube 7, third intermediate tube 8, fourth intermediate tube 9, exchange tube 10, connecting groove 11, supporting groove 12, fixing frame 13, fixing plate 15, connecting plate 16, mounting plate 17, mounting rod 18, clamping plate 19, heat exchange fin 20. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] For reference Figure 1-5 The utility model is described as follows:

[0033] Embodiment 1: An intermediate heat exchange component of a plate heat exchanger comprises two spaced and parallel side panels 1. The side panels 1 are rectangular plate structures and are vertically arranged.

[0034] The upper end of the side panel 1 is provided with a first through hole 2 and a second through hole 3, and the lower end of the side panel 1 is provided with a third through hole 4 and a fourth through hole 5. The first through hole 2, the second through hole 3, the third through hole 4, and the fourth through hole 5 are distributed at the four corners of the side panel 1.

[0035] A fixing frame 13 connecting the two side panels 1 is disposed between the two side panels 1 , and the two side panels 1 are fixed to the fixing frame 13 by welding.

[0036] The first through holes 2 of the two side panels 1 are connected through the first intermediate tube 6, the second through holes 3 of the two side panels 1 are connected through the second intermediate tube 7, the third through holes 4 of the two side panels 1 are connected through the third intermediate tube 8, and the fourth through holes 5 of the two side panels 1 are connected through the fourth intermediate tube 9. The side walls of the first intermediate tube 6, the second intermediate tube 7, the third intermediate tube 8, and the fourth intermediate tube 9 are all provided with exchange tubes 10 connected with the inside thereof, and the exchange tubes 10 are arranged vertically with the first intermediate tube 6, the second intermediate tube 7, the third intermediate tube 8, and the fourth intermediate tube 9. By adopting the above technical solution, the fluid enters the intermediate tube from the through holes on the side panels 1, and can flow out from the exchange tubes, and the fluid can also be added from the exchange tubes into the intermediate tubes.

[0037] The first intermediate tube 6, the second intermediate tube 7, the third intermediate tube 8, and the fourth intermediate tube 9 are all rotatably arranged. With this technical solution, the direction of the exchange tube 10 can be adjusted, so that the exchange tube 10 can be connected to the external tubes at different directions and angles. The end of the exchange tube 10 is provided with a threaded joint to facilitate the connection of the exchange tube 10 with the external tube.

[0038] A connecting groove 11 is provided in the middle of the upper end of the side panel 1. A supporting groove 12 is provided in the middle of the lower end of the side panel 1.

[0039] The axial ends of the first intermediate tube 6, the second intermediate tube 7, the third intermediate tube 8, and the fourth intermediate tube 9 are respectively provided with an annular fixing disk 15, and the end surface of the fixing disk 15 is provided with a protruding annular connecting disk 16, which is connected to the corresponding first through hole 2, the second through hole 3, the third through hole 4, and the fourth through hole 5, and the thickness of the side panel 1 is equal to the thickness of the connecting disk 16. In the above technical solution, the intermediate tube is connected between the two side panels 1, the side panels 1 are abutted against the fixing disk 15, the connecting disk 16 is connected to the corresponding through hole on the side panel 1, the outer diameter of the connecting disk 16 is equal to the diameter of the first through hole 2, the second through hole 3, the third through hole 4, and the fourth through hole 5, and the inner diameter of the connecting disk 16 is equal to the inner diameter of the intermediate tube.

[0040] refer to Figure 5As shown (only a part of the heat exchanger is shown), a plate heat exchanger includes a mounting plate 17, which is vertically arranged. Mounting rods 18 are provided at the upper and lower ends of the mounting plate 17. The mounting rods 18 are horizontally arranged. One end of the mounting rod 18 is connected to the mounting plate 17, and the other end of the mounting rod 18 is connected to the fixing rod 21. The fixing rod 21 is vertically arranged. A clamping plate 19 is provided between the fixing rod 21 and the mounting plate 17. A guide rod 22 is provided on the mounting plate 17. The clamping plate 19 is slidably connected to the guide rod 22 (a hole connected to the guide rod 22 is provided on the clamping plate 19), and a plurality of heat exchanger plates 20 are stacked between the clamping plate 19 and the mounting plate 17. The above-mentioned intermediate heat exchange component is arranged between two adjacent heat exchanger plates 20. The heat exchanger plates 20 are provided with holes corresponding to the first through hole 2, the second through hole 3, the third through hole 4, and the fourth through hole 5, respectively. The intermediate heat exchange component is equivalent to a thickened heat exchanger plate, which can control the outflow and inflow of the fluid flowing through the heat exchanger plate midway.

[0041] The side surface of the side panel 1 is a plane, which is connected to the heat exchange plate 20 to form a seal, and only the corresponding connection positions of the first through hole 2, the second through hole 3, the third through hole 4, and the fourth through hole 5 are connected to the holes on the heat exchange plate.

[0042] The connecting grooves 11 and the supporting grooves 12 at the upper and lower ends of the side panel 1 are connected to the upper and lower mounting rods 18 respectively.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An intermediate heat exchange component of a plate heat exchanger, characterized in that: It comprises two side panels (1) which are spaced apart and arranged in parallel; The upper end of the side panel (1) is provided with a first through hole (2) and a second through hole (3), and the lower end of the side panel (1) is provided with a third through hole (4) and a fourth through hole (5); The first through holes (2) of the two side panels (1) are connected via a first intermediate tube (6), the second through holes (3) of the two side panels (1) are connected via a second intermediate tube (7), the third through holes (4) of the two side panels (1) are connected via a third intermediate tube (8), and the fourth through holes (5) of the two side panels (1) are connected via a fourth intermediate tube (9); The side walls of the first intermediate tube (6), the second intermediate tube (7), the third intermediate tube (8), and the fourth intermediate tube (9) are all provided with exchange tubes (10) communicating with the interior thereof.

2. The intermediate heat exchange component of a plate heat exchanger according to claim 1, characterized in that: The first intermediate tube (6), the second intermediate tube (7), the third intermediate tube (8) and the fourth intermediate tube (9) are all rotatably arranged.

3. The intermediate heat exchange component of a plate heat exchanger according to claim 2, characterized in that: A connecting groove (11) is provided in the middle of the upper end of the side panel (1).

4. The intermediate heat exchange component of a plate heat exchanger according to claim 2, characterized in that: A supporting groove (12) is provided in the middle of the lower end of the side panel (1).

5. The intermediate heat exchange component of a plate heat exchanger according to claim 2, characterized in that: A fixing frame (13) connecting the two side panels (1) is provided between the two side panels (1).

6. The intermediate heat exchange component of a plate heat exchanger according to claim 1, characterized in that: The end of the exchange tube (10) is provided with a threaded joint.

7. The intermediate heat exchange component of a plate heat exchanger according to claim 2, characterized in that: The axial ends of the first intermediate tube (6), the second intermediate tube (7), the third intermediate tube (8) and the fourth intermediate tube (9) are respectively provided with an annular fixing disk (15), and the end surface of the fixing disk (15) is provided with a protruding annular connecting disk (16), and the connecting disk (16) is connected to the corresponding first through hole (2), the second through hole (3), the third through hole (4) and the fourth through hole (5).

8. The intermediate heat exchange component of a plate heat exchanger according to claim 7, characterized in that: The thickness of the side panel (1) is equal to the thickness of the connecting plate (16).

9. The intermediate heat exchange component of a plate heat exchanger according to claim 5, characterized in that: The fixing frame (13) is fixed to the two side panels (1) by welding.

10. A plate heat exchanger, comprising a mounting plate (17), wherein mounting rods (18) are provided at upper and lower ends of the mounting plate (17), one end of the mounting rod (18) is connected to the mounting plate (17), and the other end of the mounting rod (18) is connected to a fixing rod, a clamping plate (19) is provided between the fixing rod and the mounting plate (17), and a plurality of heat exchange fins (20) are stacked between the clamping plate (19) and the mounting plate (17), wherein: The intermediate heat exchange component according to any one of claims 1 to 9 is arranged between two adjacent heat exchange fins (20).

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