Efficient wide-channel welded plate heat exchanger

Abstract

The utility model discloses an efficient wide channel welding plate heat exchanger which comprises a support, a pressing device is arranged on the left side of the support, the pressing device comprises a push rod, a sliding rail, a swing rod, a gear motor and a supporting block, the push rod is connected to the left side of the support in an inserted mode, the sliding rail is welded to the left end of the push rod, and the swing rod is arranged on the sliding rail. One end of a swing rod is embedded in an inner cavity of the sliding rail, an output shaft of a gear motor is welded to the other end of the swing rod, the bottom end of the gear motor is connected with a supporting block through a bolt, an elastic device is welded to the right end of a push rod, and a clamping mechanism is arranged on the right side of the elastic device. The clamping mechanism comprises a vertical plate, a first rotating rod and a second rotating rod, and the vertical plate is clamped in an inner cavity of the support. According to the efficient wide-channel welding plate type heat exchanger, the opening and closing functions of the heat exchange plates are achieved through the structures such as the supports, the plate type heat exchanger body, the second rotating rods, the sliding ways, the vertical plates, the first rotating rods and the sliding grooves, and the plate type heat exchanger is convenient to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to plate heat exchanger technical field, concretely to a kind of efficient wide channel welded plate heat exchanger. BACKGROUND

[0002] Plate heat exchanger is by a series of certain corrugated shape metal sheet stack and form a kind of high-efficiency heat exchanger. Thin rectangular channel is formed between various sheets, heat exchange is carried out through sheet, with high heat exchange efficiency, small heat loss, compact structure, small footprint, wide application, long service life and other characteristics. Under the same pressure loss condition, its heat transfer coefficient is 3-5 times higher than that of tube heat exchanger, the footprint is one third of tube heat exchanger, and the heat recovery rate can be as high as 90% or more. The type of plate heat exchanger mainly includes frame type (detachable) and brazing type, and the sheet type mainly includes herringbone corrugated sheet, horizontal straight corrugated sheet and nodule sheet.

[0003] The existing plate heat exchanger for heating is generally a frame type plate heat exchanger, which has a plurality of heat transfer sheets inside, and the heat transfer sheets are often sealed by sealing pads. After long-term use, leakage may occur, at which time the heat transfer sheets need to be opened for operation. Since the side plates on both sides of the frame type plate heat exchanger are fixed by a plurality of clamping bolts and nuts, each clamping bolt and nut needs to be operated separately during disassembly. After loosening, each clamping bolt and nut needs to be removed and placed one by one, which is not only cumbersome to operate, but also easy to cause confusion on site, making it inconvenient to operate. In addition, after loosening, the heat transfer sheets may become loose, which may affect the previously problem-free sheets and cause new problems, so that the problem-free sheets cannot be fixed, thereby affecting the operation. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a kind of efficient wide channel welded plate heat exchanger to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of efficient wide channel welded plate heat exchanger, including support, the left side of the support is provided with pressure device;

[0006] The pressure device includes a push rod, a slide rail, a swing rod, a reduction motor and a support block;

[0007] The left end of the push rod is welded with the slide rail, one end of the swing rod is embedded in the inner cavity of the slide rail, the other end of the swing rod is welded with the output shaft of the reduction motor, the bottom end of the reduction motor is bolted with the support block, the right end of the push rod is welded with the elastic device, and the right side of the elastic device is provided with a clamping mechanism;

[0008] The clamping mechanism comprises a vertical plate, a first rotating rod and a second rotating rod;

[0009] The inner cavity of the support is clamped with the vertical plate, one end of the first rotating rod is rotatably connected to the bottom end of the front and rear sides of the vertical plate through a pin shaft, the other end of the first rotating rod is slidably clamped to the right side of the front and rear side walls of the support, one end of the second rotating rod is clamped to the front and rear sides of the vertical plate, and the other end of the second rotating rod is rotatably connected to the right bottom end of the front and rear side walls of the support through a pin shaft.

[0010] The inner cavity of the support and the inner side of the vertical plate are tightly fitted with a plate heat exchanger.

[0011] Preferably, the elastic device comprises a frame, a limiting block and a cross rod.

[0012] The right end of the push rod is welded with a frame, the inner cavity of the frame is inserted with a cross rod, the left side of the cross rod is welded with a limiting block, the right side of the cross rod is fixedly connected with the vertical plate, the outer wall of the cross rod is sleeved with a spring, one end of the spring abuts against the vertical plate, and the other end of the spring abuts against the frame.

[0013] Preferably, the slide rail is a ring-shaped slide rail.

[0014] Preferably, the length of the swing rod is half of the length of the inner cavity of the slide rail.

[0015] Preferably, the front and rear sides of the vertical plate are both provided with a slide.

[0016] Preferably, the right side of the front and rear side walls of the support is provided with a sliding groove.

[0017] Preferably, the number of the cross rods is multiple, and they are uniformly and symmetrically distributed in the inner cavity of the frame.

[0018] Preferably, the frame is a rectangular frame.

[0019] Compared with the prior art, the high-efficiency wide-channel welded plate heat exchanger has the following advantages:

[0020] 1. The high-efficiency wide-channel welded plate heat exchanger realizes the opening and closing function of the heat exchange plate through the support, the plate heat exchanger, the second rotating rod, the slide, the vertical plate, the first rotating rod, the sliding groove and other structures, and is convenient for maintenance of the plate heat exchanger.

[0021] 2. The high-efficiency wide-channel welded plate heat exchanger realizes the automatic opening and closing function of the heat exchange plate through the spring, the cross rod, the frame, the limiting block, the push rod, the supporting block, the speed reducer, the swing rod and the slide rail, and is convenient for effective compression of the heat exchange plate and convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the main view of the bracket structure of the utility model;

[0023] Figure 2 It is the main view of the utility model;

[0024] Figure 3 It is the plan view of the utility model;

[0025] Figure 4 It is the enlarged view of A of the utility model.

[0026] In the drawing: 1, support, 2, plate heat exchanger, 3, second rotating rod, 4, slide, 5, vertical plate, 6, first rotating rod, 7, sliding chute, 8, spring, 9, crossbar, 10, frame, 11, limit block, 12, push rod, 13, support block, 14, speed reducer, 15, swing rod, 16, slide rail. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: an efficient wide channel welded plate heat exchanger, including support 1, support 1 left side is provided with compression device;

[0029] Compression device includes push rod 12, slide rail 16, swing rod 15, speed reducer 14 and support block 13;

[0030] Support 1 left side is inserted with push rod 12, the left end of push rod 12 is welded with slide rail 16, slide rail 16 drives push rod 12 to move left and right, slide rail 16 is annular slide rail, one end of swing rod 15 is embedded in the inner chamber of slide rail 16, the length of swing rod 15 is half of the length of the inner chamber of slide rail 16, swing rod 15 clockwise rotation drives slide rail 16 to move left, the other end of swing rod 15 is welded with the output shaft of speed reducer 14, speed reducer 14 rotates clockwise, speed reducer 14 clockwise rotation drives swing rod 15 to rotate clockwise, the bottom end of speed reducer 14 is bolted with support block 13, the right end of push rod 12 is welded with elastic device, and clamping mechanism is arranged on the right side of elastic device;

[0031] Clamping mechanism includes vertical plate 5, first rotating rod 6 and second rotating rod 3;

[0032] The inner cavity of the support 1 is clamped with the vertical plate 5, the front and back two sides of the vertical plate 5 are both connected with one end of the first rotating rod 6 through the pin shaft rotation, the other end of the first rotating rod 6 is slidably clamped with the right side of the front and back two side walls of the support 1, the right side of the front and back two side walls of the support 1 is provided with the sliding groove 7, the first rotating rod 6 plays a supporting and connecting role, one end of the second rotating rod 3 is clamped with the front and back two sides of the vertical plate 5, the front and back two sides of the vertical plate 5 are both provided with the sliding way 4, the other end of the second rotating rod 3 is rotationally connected with the right bottom end of the front and back two side walls of the support 1 through the pin shaft, the second rotating rod 3 plays a supporting and connecting role, the cooperation of the first rotating rod 6 and the second rotating rod 3 makes the vertical plate 5 keep vertical;

[0033] The inner cavity of the support 1 and the inner side of the vertical plate 5 are tightly clamped with the plate heat exchanger 2.

[0034] As a preferred scheme, the elastic device comprises a frame body 10, a limiting block 11 and a cross rod 9;

[0035] The right end of the push rod 12 is welded with the frame body 10, the frame body 10 plays a supporting and connecting role, the inner cavity of the frame body 10 is inserted with the cross rod 9, the number of the cross rod 9 is multiple, and they are uniformly and symmetrically distributed in the inner cavity of the frame body 10, the frame body 10 is a rectangular frame body, the left side of the cross rod 9 is welded with the limiting block 11, the right side of the cross rod 9 is fixedly connected with the vertical plate 5, the outer wall of the cross rod 9 is sleeved with the spring 8, one end of the spring 8 abuts against the vertical plate 5, the other end of the spring 8 abuts against the frame body 10, the spring 8 effectively presses the baffle, improves the use efficiency of the heat exchanger, and reduces the working time of the maintenance personnel.

[0036] The detailed connecting means is the technology known in the art, and the working principle and process are mainly introduced below.

[0037] In use, first, the device is connected with the external power supply, at this time, the speed reducer motor 14 is started, the speed reducer motor 14 rotates clockwise, the speed reducer motor 14 rotates clockwise to drive the swing rod 15 to rotate clockwise, the swing rod 15 rotates clockwise to drive the sliding rail 16 to move left, the sliding rail 16 drives the push rod 12 to move left, the push rod 12 moves left to drive the frame body 10 to move left, the frame body 10 drives the cross rod 9 to move left, the cross rod 9 moves left to drive the vertical plate 5 to move left, the vertical plate 5 moves left to realize the opening of the heat exchanger 2, the speed reducer motor 14 is stopped when the heat exchanger 2 is opened to the fixed position, at this time, the damaged heat exchange sheet is disassembled, replaced or repaired, the speed reducer motor 14 is started again after the replacement is completed, at this time, the speed reducer motor 14 is counterclockwise, at this time, the vertical plate 5 is reset, the vertical plate 5 clamps the heat exchange sheet again, at this time, the spring 8 effectively presses the baffle, improves the use efficiency of the heat exchanger, and reduces the working time of the maintenance personnel, the design structure is simple, practical, saves time and effort, and improves the working efficiency.

[0038] In the description of the utility model, need understanding is, the orientation or positional relation indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation; at the same time, unless otherwise explicitly specified and limited, the terms "clamping", "axle joint", "plug-in", "welding", "screwed" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or be integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication or interaction relationship of two elements inside two elements, unless otherwise explicitly limited, for the ordinary skilled person in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high efficiency wide channel welded plate heat exchanger comprising a support (1), characterised in that: The left side of the support (1) is provided with a pressing device; The pressing device comprises a push rod (12), a sliding rail (16), a swing rod (15), a speed reducer motor (14) and a supporting block (13); The left side of the support (1) is inserted with a push rod (12), the left end of the push rod (12) is welded with a sliding rail (16), the inner cavity of the sliding rail (16) is embedded with one end of a swing rod (15), the other end of the swing rod (15) is welded with the output shaft of a speed reducer motor (14), the bottom end of the speed reducer motor (14) is bolted with a supporting block (13), the right end of the push rod (12) is welded with an elastic device, and the right side of the elastic device is provided with a clamping mechanism. The clamping mechanism comprises a vertical plate (5), a first rotating rod (6) and a second rotating rod (3). The inner cavity of the support (1) is clamped with a vertical plate (5), the front and rear sides of the vertical plate (5) are both rotatably connected with one end of a first rotating rod (6) through a pin shaft, the other end of the first rotating rod (6) is slidingly clamped with the right side of the front and rear walls of the support (1), the front and rear sides of the vertical plate (5) are both clamped with one end of a second rotating rod (3), and the other end of the second rotating rod (3) is rotatably connected with the right bottom end of the front and rear walls of the support (1) through a pin shaft. The inner cavity of the support (1) and the inner side of the vertical plate (5) are tightly fitted with a plate heat exchanger (2).

2. The high efficiency wide channel welded plate heat exchanger according to claim 1, characterized in that: The elastic device comprises a frame (10), a limiting block (11) and a cross rod (9). The right end of the push rod (12) is welded with a frame (10), the inner cavity of the frame (10) is inserted with a cross rod (9), the left side of the cross rod (9) is welded with a limiting block (11), the right side of the cross rod (9) is fixedly connected with the vertical plate (5), the outer wall of the cross rod (9) is sleeved with a spring (8), one end of the spring (8) abuts against the vertical plate (5), and the other end of the spring (8) abuts against the frame (10).

3. The high efficiency wide channel welded plate heat exchanger as claimed in claim 1, wherein: The sliding rail (16) is a ring-shaped sliding rail.

4. The high efficiency wide channel welded plate heat exchanger according to claim 1, characterized in that: The length of the swing rod (15) is half of the length of the inner cavity of the sliding rail (16).

5. The high efficiency wide channel welded plate heat exchanger as claimed in claim 1, wherein: The front and rear sides of the vertical plate (5) are both provided with a slide (4).

6. A high efficiency wide channel welded plate heat exchanger as claimed in claim 1, wherein: The right side of the front and rear walls of the support (1) is provided with a sliding groove (7).

7. A high efficiency wide channel welded plate heat exchanger as claimed in claim 2, wherein: The number of the cross rods (9) is multiple, and they are uniformly and symmetrically distributed in the inner cavity of the frame (10).

8. A high efficiency wide channel welded plate heat exchanger as claimed in claim 2, wherein: The frame (10) is a rectangular frame.

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