CN215810379U

CN215810379U - Half-welded plate heat exchanger

Info

Publication number: CN215810379U
Application number: CN202122119905.9U
Authority: CN
Inventors: 戴进; 冯小莉; 周洋; 戴国成
Original assignee: Jiangsu Batong Heat Exchange Equipment Co ltd
Current assignee: Jiangsu Batong Heat Exchange Equipment Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-02-11
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a semi-welded plate heat exchanger, which comprises a bottom frame and a heat exchange plate, wherein the bottom frame is formed by combining a first side frame, a telescopic rod and a second side frame, an air inlet pipe and a return pipe transversely penetrate through the surface of one side of the first side frame, an adjusting cylinder is arranged on the side surface of the first side frame at the inner side of the air inlet pipe and the return pipe, a positioning clamp plate is vertically arranged on the side surface of one end of the adjusting cylinder penetrating through the first side frame, a locking bolt is transversely arranged between the second side frame and the first side frame, the heat exchange plate is formed by combining a first heat exchange sheet and a second heat exchange sheet, the side surfaces of the first heat exchange sheet and the second heat exchange sheet are respectively matched with the air inlet pipe and the return pipe to be provided with a flow guide hole and an exhaust hole, and a flow guide plate and a heat exchange block are obliquely arranged on the inner wall of a heat exchange groove at the outer side of the exhaust hole. The adjusting cylinder is controlled to extend outwards to push the heat exchange plates on the surfaces of the locking bolts to move towards the second side frame under the action of the positioning clamping plate, and the heat exchange plate groups are separated by disassembling the locking bolts, so that the using effect is good.

Description

Half-welded plate heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a semi-welded plate heat exchanger.

Background

The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes. Thin rectangular channels are formed between the various plates through which heat is exchanged. The plate heat exchanger is an ideal device for heat exchange of liquid-liquid and liquid-vapor. The heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like. Under the condition of the same pressure loss, the heat transfer coefficient of the heat exchanger is 3-5 times higher than that of the tubular heat exchanger, the occupied area of the heat exchanger is one third of that of the tubular heat exchanger, and the heat recovery rate can reach more than 90 percent. The plate type heat exchanger mainly comprises two types of frames (detachable type) and brazing type, and the plate type mainly comprises a herringbone corrugated plate, a horizontal straight corrugated plate and a tumor-shaped plate. The existing half-welded plate heat exchanger is mostly of a fixed combined frame type structure, plate replacement operation during later-period maintenance needs to be completed by the aid of hoisting equipment, the labor intensity is high, the working efficiency is low, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a semi-welded plate heat exchanger to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a semi-welded plate heat exchanger comprises a bottom frame and a heat exchange plate, wherein the bottom frame is formed by combining a first side frame, a telescopic rod and a second side frame, an air inlet pipe and a return pipe are transversely and fixedly arranged on one side surface of the first side frame in a penetrating manner, an adjusting cylinder is transversely arranged on the side surface of the first side frame on the inner side of the air inlet pipe and the return pipe through a connecting seat, a positioning clamp plate is vertically and fixedly arranged on the side surface of one end of the adjusting cylinder penetrating through the first side frame, the telescopic rod is transversely and fixedly arranged on the bottom surface of the first side frame below the positioning clamp plate through an axle seat, the second side frame is movably arranged on the outer side of one end, away from the first side frame, of the telescopic rod through an inward-hidden channel arranged at the bottom end of the side surface, a locking bolt is transversely and movably arranged between the first side frame and the second side frame, the heat exchange plate is vertically and movably arranged between the first side frame and the second side frame above the telescopic rod through the locking bolt, the heat exchange plate is formed by combining a first heat exchange piece and a second heat exchange piece, the side surfaces of the first heat exchange piece and the second heat exchange piece are respectively matched with an air inlet pipe and a return pipe to be provided with a circular flow guide hole and an exhaust hole, two Z-shaped heat exchange grooves are formed in the side surfaces of the first heat exchange piece and the second heat exchange piece between the exhaust holes in a matched mode, a guide plate is obliquely arranged on the inner wall of the heat exchange groove on the outer side of the exhaust hole, and a heat exchange block shaped like a Chinese character 'income' is obliquely arranged on the inner wall of the heat exchange groove on the inner side of the guide plate.

Preferably, the telescopic rod is formed by combining a cylindrical support connecting rod and a hydraulic horizontal pushing assembly and controls the combined width between the first side frame and the second side frame in cooperation with a locking bolt.

Preferably, the second side frame is of a U-shaped structure, a U-shaped material changing groove is vertically formed in the middle of the surface of one side, close to the first side frame, of the second side frame, and the groove width is larger than the width of the heat exchanging plate.

Preferably, a movable clamping plate is arranged on the side face, close to one side of the heat exchange plate, of the material changing groove in a matching mode with the positioning clamping plate, and the movable clamping plate is the same as the positioning clamping plate in size and is longer than the material changing groove in length.

Preferably, the adjusting cylinder is a double-acting cylinder, and the side surface of the first frame is provided with at least two adjusting cylinders which cooperatively control the movement of the positioning clamping plate on the surface of the locking bolt.

Preferably, the middle parts of the side surfaces of the two ends of the heat exchange plate are respectively provided with a C-shaped clamping groove and welded into a whole, and a heat guide rod is movably arranged between the first side frame and the second side frame in a manner of penetrating through the clamping grooves.

Compared with the prior art, the utility model has the beneficial effects that:

1. at the intake pipe, the first side of back flow inboard is equipped with adjust cylinder and is located the side of the inside one end of first side frame and is equipped with the locating plate, the locking bolt side that the groove of reloading is close to heat transfer board one side is equipped with movable clamp plate with the locating plate cooperation, remove movable clamp plate earlier when the heat transfer board is changed in later stage maintenance, then the overhanging heat transfer board that is in order to push down the locking bolt surface under the locating plate effect of control adjust cylinder removes to second side frame, the manual separation of taking apart locking bolt in order to accomplish heat transfer board group, reduce manual operation intensity when can reducing the lifting device rate of utilization, excellent in use effect.

2. Be equipped with the telescopic link between first limit frame and second limit frame, the telescopic link is formed and is cooperated locking bolt control combination width by the combination of supporting rod and hydraulic pressure horizontal pushing subassembly, and the allotment demand of heat transfer board is in order to increase the suitability when satisfying different massif heat exchanges, and the practicality is strong.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the deployed configuration of the present invention;

fig. 3 is a schematic surface structure diagram of the first heat exchanger plate and the second heat exchanger plate of the present invention.

In the figure: 1. a chassis; 2. a heat exchange plate; 3. a first side frame; 4. a telescopic rod; 5. a second side frame; 6. an air inlet pipe; 7. a return pipe; 8. an adjusting cylinder; 9. positioning the clamping plate; 10. locking the bolt; 11. a first heat exchanger fin; 12. a second heat exchanger fin; 13. a flow guide hole; 14. an exhaust hole; 15. a heat exchange tank; 16. a baffle; 17. a heat exchange block; 18. a material changing groove; 19. a movable splint; 20. a clamping groove; 21. a heat-conducting rod.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a half-welded plate heat exchanger includes a bottom frame 1 and a heat exchange plate 2, where the bottom frame 1 is formed by combining a first side frame 3, a telescopic rod 4 and a second side frame 5, a gas inlet pipe 6 and a return pipe 7 are transversely and fixedly penetrated through one side surface of the first side frame 3, a regulating cylinder 8 is transversely disposed on a side surface of the first side frame 3 inside the gas inlet pipe 6 and the return pipe 7 through a connecting seat, the regulating cylinder 8 penetrates through one side surface of one end of the first side frame 3 and is vertically and fixedly provided with a positioning clamp plate 9, the telescopic rod 4 is transversely and fixedly disposed on a bottom surface of the first side frame 3 below the positioning clamp plate 9 through a shaft seat, the second side frame 5 is movably disposed on an outer side of one end of the telescopic rod 4 far away from the first side frame 3 through an internally-concealed channel formed at a bottom end of the side surface, a locking bolt 10 is transversely and movably disposed between the second side frame 5 and the first side frame 3, the heat exchange plate 2 is vertically and movably arranged between a first side frame 3 and a second side frame 5 above a telescopic rod 4 through a locking bolt 10, the heat exchange plate 2 is formed by combining a first heat exchange sheet 11 and a second heat exchange sheet 12, the side surfaces of the first heat exchange sheet 11 and the second heat exchange sheet 12 are respectively matched with an air inlet pipe 6 and a return pipe 7 and are provided with a circular flow guide hole 13 and an exhaust hole 14, the side surfaces of the first heat exchange sheet 11 and the second heat exchange sheet 12 between the two exhaust holes 14 are provided with a Z-shaped heat exchange groove 15 in a matched manner, the inner wall of the heat exchange groove 15 outside the exhaust hole 14 is obliquely provided with a flow guide plate 16, and the inner wall of the heat exchange groove 15 on the inner side of the flow guide plate 16 is obliquely provided with an 'in' -shaped heat exchange block 17; the telescopic rod 4 is formed by combining a cylindrical support connecting rod and a hydraulic horizontal pushing assembly, and controls the combined width between the first side frame 3 and the second side frame 5 by cooperating with a locking bolt 10, so that the heat exchange plate assembly is suitable for the allocation requirements of heat exchange plates with different quantities; the second side frame 5 is of a U-shaped structure, the middle part of the surface of one side, close to the first side frame 3, of the second side frame 5 is vertically provided with a U-shaped material changing groove 18, and the groove width is larger than the width of the heat exchange plate 2, so that the heat exchange plate can be conveniently taken out; the side surface of the locking bolt 10, close to one side of the heat exchange plate 2, of the material changing groove 18 is provided with a movable clamping plate 19 in a matching way with the positioning clamping plate 9, the movable clamping plate 19 and the positioning clamping plate 9 are the same in size and are longer than the material changing groove 18, and therefore the horizontal pushing stability of the heat exchange plate during the displacement is ensured; the adjusting cylinders 8 are double-acting cylinders, at least two adjusting cylinders 8 are arranged on the side surface of the first frame 3 and cooperatively control the movement of the positioning clamping plate 9 on the surface of the locking bolt 10, so that the displacement requirement during plate replacement operation is met; the middle parts of the side surfaces of the two ends of the heat exchange plate 2 are respectively provided with a C-shaped clamping groove 20 and are welded into a whole, and a heat guide rod 21 is movably arranged between the first side frame 3 and the second side frame 5 through the clamping groove 20 to enhance the heat conduction efficiency.

The working principle and the using process of the utility model are as follows: when the heat exchange device is used, a proper amount of heat exchange plate groups are assembled between the first side frame 3 and the second side frame 5 through the locking bolts 10 according to heat exchange requirements, gas to be subjected to heat exchange is input to the surface of the heat exchange plate 2 under the synergistic effect of the air inlet pipe 6 matched with the flow guide holes 13 and the heat guide rods 21, heat on the surface of the heat exchange plate 2 is transferred in the heat exchange groove 15 through the guide plate 16 matched with the heat exchange blocks 17, air in the heat exchange groove 15 after heat exchange is exhausted from the exhaust holes 14 matched with the return pipe 7, the movable clamping plate 19 is firstly removed when the heat exchange plate 2 is replaced in later maintenance, then the adjusting cylinder 8 is controlled to extend outwards to push the heat exchange plate 2 on the surface of the locking bolts 10 to move towards the second side frame 5 under the action of the positioning clamping plate 9, the locking bolts 10 are manually removed to complete separation of the heat exchange plate groups, the utilization rate of hoisting equipment can be reduced, and the manual operation strength is good in use effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a half formula plate heat exchanger that welds, includes chassis (1), heat transfer board (2), its characterized in that: the chassis (1) is formed by combining a first side frame (3), a telescopic rod (4) and a second side frame (5), an air inlet pipe (6) and a return pipe (7) are transversely and fixedly arranged on one side surface of the first side frame (3) in a penetrating manner, an adjusting cylinder (8) is transversely arranged on the side surface of the first side frame (3) at the inner side of the air inlet pipe (6) and the return pipe (7) through a connecting seat, a positioning clamp plate (9) is vertically and fixedly arranged on the side surface of one end of the first side frame (3) in a penetrating manner by the adjusting cylinder (8), the telescopic rod (4) is transversely and fixedly arranged on the bottom surface of the first side frame (3) below the positioning clamp plate (9) through an axle seat, an internally-hidden channel arranged at the bottom end of the second side frame (5) is movably arranged at the outer side of one end, far away from the first side frame (3), of the telescopic rod (4), a locking bolt (10) is transversely and movably arranged between the second side frame (5) and the first side frame (3), the heat exchange plate (2) is vertically movably arranged between a first side frame (3) and a second side frame (5) above a telescopic rod (4) through a locking bolt (10), the heat exchange plate (2) is formed by combining a first heat exchange sheet (11) and a second heat exchange sheet (12), the side surfaces of the first heat exchange sheet (11) and the second heat exchange sheet (12) are respectively matched with an air inlet pipe (6) and a return pipe (7) to be provided with a circular flow guide hole (13) and an exhaust hole (14), two side surfaces of the first heat exchange sheet (11) and the second heat exchange sheet (12) between the exhaust holes (14) are matched to be provided with a Z-shaped heat exchange groove (15), a guide plate (16) is obliquely arranged on the inner wall of the heat exchange groove (15) in the outer side of the exhaust hole (14), and an oblique heat exchange block (17) in the shape of the guide plate (16) is arranged on the inner wall of the heat exchange groove (15).

2. A semi-welded plate heat exchanger according to claim 1, wherein: the telescopic rod (4) is formed by combining a cylindrical support connecting rod and a hydraulic horizontal pushing assembly and controls the combined width between the first side frame (3) and the second side frame (5) in cooperation with a locking bolt (10).

3. A semi-welded plate heat exchanger according to claim 1, wherein: the second side frame (5) is of a U-shaped structure, a U-shaped material changing groove (18) is vertically formed in the middle of the surface of one side, close to the first side frame (3), of the second side frame (5), and the groove width is larger than the width of the heat exchanging plate (2).

4. A semi-welded plate heat exchanger according to claim 3, wherein: the side surface of the locking bolt (10) on one side of the heat exchange plate (2) close to the material changing groove (18) is matched with the positioning clamp plate (9) to be provided with a movable clamp plate (19), and the movable clamp plate (19) has the same size as the positioning clamp plate (9) and is longer than the material changing groove (18).

5. A semi-welded plate heat exchanger according to claim 1, wherein: the adjusting cylinder (8) is a double-acting cylinder, and the side face of the first side frame (3) is provided with at least two adjusting cylinders (8) and cooperatively controls the movement of the positioning clamp plate (9) on the surface of the locking bolt (10).

6. A semi-welded plate heat exchanger according to claim 1, wherein: c-shaped clamping grooves (20) are formed in the middle of the side faces of the two ends of the heat exchange plate (2) respectively and are welded into a whole, and heat guide rods (21) penetrate through the clamping grooves (20) between the first side frame (3) and the second side frame (5) and are movably arranged.