Novel plate heat exchanger

Abstract

The utility model provides a novel plate heat exchanger, which belongs to the technical field of heat exchangers and comprises a heat exchange fin group arranged in the middle of the plate heat exchanger, a front positioning plate arranged at the front end of the heat exchange fin group, a rear positioning plate arranged at the rear end of the heat exchange fin group, a limiting component arranged at the top of the heat exchange fin group and a positioning component arranged at the bottom of the heat exchange fin group. According to the heat exchanger, clamping blocks and noise reduction plates on the stabilizing assemblies are dispersed to the front positioning plate and the rear positioning plate, and then the clamping blocks and the noise reduction plates are downwards dispersed to a shock absorber through the positioning assemblies and reinforcing rods; and the vibration force is dispersed to the supporting plate through the multiple dampers and is finally diffused to the ground through the supporting plate, so that noise generated when the plate heat exchanger works is reduced, abrasion of the equipment connecting position is relieved, and the service life of the whole plate heat exchanger is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field, concretely relates to a novel plate heat exchanger. BACKGROUND

[0002] In order to energy saving energy, the traditional thermal power plant utilizes waste heat to heat, for example, utilizes high temperature heat pump new technology to recover condensing waste heat of thermal power plant to realize energy saving heating, and then needs to use plate heat exchanger.

[0003] The plate heat exchanger in the related art is a kind of high-efficiency heat exchanger formed by a series of metal sheets with certain corrugated shape.The thin rectangular channels are formed between various sheets, and heat exchange is carried out through the sheets.The plate heat exchanger is an ideal device for liquid-liquid or liquid-vapor heat exchange, and has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small floor area, wide application and long service life, etc.Under the same pressure loss condition, the heat transfer coefficient is 3-5 times higher than that of the tube heat exchanger, the floor area is one-third of the tube heat exchanger, and the heat recovery rate can be as high as 90% or more.

[0004] However, the existing plate heat exchanger is prone to vibration and noise during heat exchange due to high-speed water flow between the sheets, which can damage the connecting parts of the equipment and affect the service life.To solve the above problems, a new type of plate heat exchanger is proposed to solve the above problems. INVENTION CONTENTS

[0005] Therefore, the utility model provides a novel plate heat exchanger, which can reduce the noise of the plate heat exchanger during operation, reduce the wear of the equipment connection, and prolong the service life of the entire plate heat exchanger.

[0006] To solve the above technical problems, the utility model provides a novel plate heat exchanger, which comprises a heat exchange sheet group arranged in the middle of the plate heat exchanger, a front positioning plate arranged at the front end of the heat exchange sheet group, a rear positioning plate arranged at the rear end of the heat exchange sheet group, a limiting assembly arranged at the top of the heat exchange sheet group, a positioning assembly arranged at the bottom of the heat exchange sheet group, a damping assembly arranged at the bottom of the positioning assembly, and a stabilizing assembly arranged at the middle of the left and right sides of the heat exchange sheet group.

[0007] The limiting assembly comprises upper locating blocks connected to the top of the front locating plate and the rear locating plate, the upper locating blocks being used to connect and fix the top of the front locating plate and the rear locating plate, the upper locating blocks being symmetrically arranged, and the upper surface of the upper locating blocks being provided with a limiting plate, the limiting plate being used to fix the two symmetric upper locating blocks.

[0008] The locating assembly comprises lower locating blocks connected to the bottom of the front locating plate and the rear locating plate, the lower locating blocks being used to connect and fix the bottom of the front locating plate and the rear locating plate, the lower locating blocks being symmetrically arranged, and a plurality of reinforcing rods being arranged between the lower locating blocks and the bottom of the heat exchange fin group, the reinforcing rods being used to reinforce the connection between the two symmetric lower locating blocks, thereby dispersing the vibration generated by the heat exchange fin group during work.

[0009] The damping assembly comprises a plurality of dampers arranged symmetrically, the dampers being used to reduce the downward vibration generated by the heat exchange fin group during work, the top of each damper being fixed to the lower surface of the lower locating block, and the lower surface of the plurality of dampers being provided with a support plate, the support plate being used to fix and install the dampers so that the dampers are supported.

[0010] The four corners of the support plate are respectively provided with a support column, the support column being used to connect the support plate and the limiting plate, thereby connecting the upper locating block and the lower locating block, thereby forming an integral whole of the locating assembly and the limiting assembly, and the integral whole has a square shape, and the top of each support column is connected to the limiting plate.

[0011] Each stabilizing assembly comprises a plurality of clamping blocks, the clamping blocks being used to clamp all the plates of the heat exchange fin group, thereby reducing the leakage of fluid medium during heat exchange and stabilizing the heat exchange efficiency of the heat exchange fin group, the clamping blocks being matched with the side walls of the plates of the heat exchange fin group, the clamping blocks having a vertical concave shape, each clamping block being provided with a connecting rod on the side away from the heat exchange fin group, the connecting rod being used to connect each clamping block to the noise reduction plate, thereby supporting the clamping blocks, the connecting rod being provided with a noise reduction plate on the side away from the heat exchange fin group, the noise reduction plate being used to reduce the noise generated by the heat exchange fin group during work, and the noise reduction plate being provided with a connecting block at the front end and the rear end, the connecting block at the front end of the noise reduction plate being connected to the front locating plate, and the connecting block at the rear end of the noise reduction plate being connected to the rear locating plate.

[0012] The bottom of the front locating plate and the bottom of the rear locating plate are respectively provided with a buffer clamping plate, the buffer clamping plate being used to reduce the vibration generated by the front locating plate and the rear locating plate and transmitted to the supporting leg, thereby improving the service life of the supporting leg, and each buffer clamping plate is provided with a supporting leg at the bottom, the supporting leg being used to support the bottom of the front locating plate and the rear locating plate, thereby supporting the plate heat exchanger, and the supporting leg being fixed to the lower surface of the support plate.

[0013] Compared with the prior art, the present application has at least one of the following beneficial technical effects:

[0014] 1. The heat exchange sheet group in the plate heat exchanger generates vibration during work, which is dispersed to the front locating plate and the rear locating plate through the clamping block on the stabilizing assembly and the noise reduction plate, then dispersed to the shock absorber downward through the locating assembly and the reinforcing rod, then dispersed to the support plate through the multiple shock absorbers, and finally diffused to the ground through the support plate, so as to reduce the noise of the plate heat exchanger during work, reduce the abrasion of the equipment connection, and prolong the service life of the whole plate heat exchanger.

[0015] 2. The connection between the support plate and the limiting plate is realized through the support column, so that the upper locating block is connected with the lower locating block, so that the locating assembly and the limiting assembly form an integral whole, so that the vibration force can be further dispersed.

[0016] 3. The vibration generated by the front locating plate and the rear locating plate is transmitted to the supporting leg, so as to prolong the service life of the supporting leg. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the front view structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the side view structure of the utility model;

[0021] Figure 5 It is a front view sectional view of the utility model.

[0022] Mark 100, heat exchange sheet group; 101, front locating plate; 102, rear locating plate; 103, buffer clamp; 104, supporting leg; 200, limiting assembly; 201, upper locating block; 202, limiting plate; 300, locating assembly; 301, shock absorbing assembly; 302, lower locating block; 303, reinforcing rod; 304, shock absorber; 305, support plate; 306, support column; 400, stabilizing assembly; 401, clamping block; 402, connecting rod; 403, noise reduction plate; 404, connecting block. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the following will combine the drawings of the embodiments of the utility model with the specific embodiments of the utility model. Figures 1-5The technical solutions of the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art belong to the scope of protection of the utility model.

[0024] As shown in Figures 1-5 : the embodiment provides a novel plate heat exchanger, including the heat exchange fin group 100 arranged in the middle of the plate heat exchanger, the heat exchange fin group 100 includes a plurality of heat exchange fins, a pair of water inlets are arranged at the top and the lower part of each heat exchange fin, the front positioning plate 101 arranged at the front end of the heat exchange fin group 100, a plurality of positioning screws are arranged between the left and right sides of the front positioning plate 101 and the left and right sides of the rear positioning plate 102, for reinforcing the connection between the rear positioning plate 102 and the front positioning plate 101, the rear positioning plate 102 arranged at the rear end of the heat exchange fin group 100, a recess is symmetrically arranged at the top and the bottom of the rear positioning plate 102 and the front positioning plate 101, the limiting assembly 200 is arranged at the top of the heat exchange fin group 100, the limiting assembly 200 is used for reinforcing the connection between the top of the rear positioning plate 102 and the front positioning plate 101, the positioning assembly 300 is arranged at the bottom of the heat exchange fin group 100, the positioning assembly 300 is used for reinforcing the connection between the bottom of the rear positioning plate 102 and the front positioning plate 101, the damping assembly 301 is arranged at the bottom of the positioning assembly 300, the damping assembly 301 is used for reducing the vibration when the plate heat exchanger works, a stabilizing assembly 400 is arranged at the middle of the left and right sides of the heat exchange fin group 100, the stabilizing assembly 400 is used for making the vibration generated at the left and right sides of the heat exchange fin group 100 to be dispersed and conducted to the front positioning plate 101 and the rear positioning plate 102 when the heat exchange fin group 100 works, the front end of the stabilizing assembly 400 is connected with the front positioning plate 101, and the rear end of the stabilizing assembly 400 is connected with the rear positioning plate 102.

[0025] In use, the vibration generated when the heat exchange fin group 100 in the plate heat exchanger works is dispersed to the front positioning plate 101 and the rear positioning plate 102 through the clamping block 401 and the noise reduction plate 403 on the stabilizing assembly 400, then is downwardly dispersed to the shock absorber 304 through the positioning assembly 300 and the reinforcing rod 303, then the vibration force is dispersed to the support plate 305 through a plurality of shock absorbers 304, and finally is diffused to the ground through the support plate 305, so that the noise when the plate heat exchanger works is reduced, the abrasion of the equipment connection is reduced, and the service life of the whole plate heat exchanger is prolonged.

[0026] The embodiment provides a novel plate heat exchanger,

[0027] As shown in Figure 2 , 3, 4, 5 shown: limiting assembly 200 includes the upper positioning block 201 which is connected to the top of the front and rear positioning plate 101, 102, the front end of the upper positioning block 201 is matched with the groove on the top of the front positioning plate 101, which can be fixed by bolt connection or welding, the rear end of the upper positioning block 201 is matched with the groove on the top of the rear positioning plate 102, which can be fixed by bolt connection or welding, the upper positioning block 201 is used to connect and fix the top of the front and rear positioning plate 101, 102, the upper positioning block 201 is symmetrically arranged, the upper surface of the upper positioning block 201 is provided with a limiting plate 202, the upper positioning block 201 is a long strip shaped trapezoidal block, the lower surface of the limiting plate 202 and the top of the two upper positioning blocks 201 are fixed by bolt connection or welding, the limiting plate 202 is used to fix the two symmetric upper positioning blocks 201.

[0028] Its effect is: the upper positioning block 201 is used to connect and fix the top of the front and rear positioning plate 101, 102, so as to reduce the damage to the connecting part of the plate heat exchanger caused by the vibration generated by the heat exchange plate group 100 during work.

[0029] As shown in Figure 2 , 3 , 4, 5 shown: the positioning assembly 300 includes the lower positioning block 302 which is connected to the bottom of the front and rear positioning plate 101, 102, the front end of the lower positioning block 302 is matched with the groove on the bottom of the front positioning plate 101, which can be fixed by bolt connection or welding, the rear end of the lower positioning block 302 is matched with the groove on the bottom of the rear positioning plate 102, which can be fixed by bolt connection or welding, the lower positioning block 302 is used to connect and fix the bottom of the front and rear positioning plate 101, 102, the lower positioning block 302 is symmetrically arranged, the lower positioning block 302 is a long strip shaped trapezoidal block, the lower positioning block 302 is symmetrically arranged with the upper positioning block 201, a plurality of reinforcing rods 303 are arranged between the bottom of the lower positioning block 302 and the heat exchange plate group 100, both ends of the reinforcing rod 303 are fixed with the corresponding lower positioning block 302, and the reinforcing rod 303 and the lower positioning block 302 can be fixed by bolt connection.

[0030] Its effect is: the reinforcing rod 303 is used to reinforce the connection relationship between the two symmetric lower positioning blocks 302, so as to disperse the vibration generated by the heat exchange plate group 100 during work.

[0031] As shown in Figure 2 , 3, 4, 5: damping assembly 301 includes a plurality of symmetrically arranged shock absorbers 304, shock absorber 304 includes a square shock absorber 304 composed of lower spring pad, dust cover, spring, damping pad, upper spring, damping rod, top glue, etc., shock absorber 304 is used to reduce the vibration generated by heat exchange fin group 100 downward during operation, the top of each shock absorber 304 is fixed with the lower surface of lower positioning block 302, the lower surface of a plurality of shock absorbers 304 is provided with a support plate 305, the bottom of shock absorber 304 is fixed with the upper surface of support plate 305 through bolt connection, support plate 305 is used to fix and install shock absorber 304 to support shock absorber 304, four corners of support plate 305 are respectively provided with a support column 306, support column 306 includes a main body and upper and lower end fixing blocks, the bottom of support column 306 is fixed with support plate 305 through bolt connection, the top of support column 306 is fixed with limiting plate 202 through bolt connection, support column 306 is used to connect support plate 305 and limiting plate 202, so that upper positioning block 201 and lower positioning block 302 are connected, so that positioning assembly 300 and limiting assembly 200 form an integral whole, which is in the shape of a square box, the top of each support column 306 is connected with limiting plate 202.

[0032] The effect is: shock absorber 304 is used to absorb and reduce the vibration generated by plate heat exchanger during operation, so as to reduce noise, reduce equipment wear and prolong its service life, support column 306 is used to connect support plate 305 and limiting plate 202, so that upper positioning block 201 and lower positioning block 302 are connected, so that positioning assembly 300 and limiting assembly 200 form an integral whole.

[0033] As Figure 1 , 2As shown in Figure 3: Each stabilizing component 400 includes multiple clamping blocks 401. The clamping blocks 401 have gaps between them and the plates, preventing direct contact. The clamping blocks 401 are used to clamp all the plates on the heat exchanger assembly 100, thereby reducing leakage of the fluid medium during heat exchange and stabilizing the heat exchange efficiency of the heat exchanger assembly 100. The clamping blocks 401 fit against the sidewalls of the plates on the heat exchanger assembly 100. The clamping blocks 401 are vertically U-shaped. Each clamping block 401 has a connecting rod 402 on the side away from the heat exchanger assembly 100. Each connecting rod 402 is connected to the clamping block 401 by bolts or heat fusion. The connecting rod 402 connects each clamping block 401 to the noise reduction plate 403. The connecting rod 402 is connected to the heat exchanger assembly 100, thereby supporting the clamping block 401. A noise reduction plate 403 is provided on the side of the connecting rod 402 away from the heat exchanger assembly 100. The noise reduction plate 403 and the connecting rod 402 can be fixed by bolts or heat fusion. The noise reduction plate 403 is used to reduce the noise generated by the heat exchanger assembly 100 during operation. A connecting block 404 is provided at both the front and rear ends of the noise reduction plate 403. The bearing surface of the connecting block 404 is provided with a groove. The groove on the connecting block 404 engages and is fixed with the noise reduction plate 403. The connecting block 404 at the front end of the noise reduction plate 403 is connected to the front positioning plate 101 by bolts. The connecting block 404 at the rear end of the noise reduction plate 403 is connected to the rear positioning plate 102 by bolts.

[0034] Its effects are as follows: the clamping block 401 is used to clamp all the plates on the heat exchange plate group 100, thereby reducing the leakage of fluid medium during the heat exchange process and stabilizing the heat exchange efficiency of the heat exchange plate group 100; the noise reduction plate 403 is used to reduce the noise generated by the heat exchange plate group 100 during operation, thereby creating a comfortable working environment.

[0035] like Figure 1 , 2 As shown in Figure 3: A buffer clamp 103 is provided on both sides of the bottom of the front positioning plate 101 and the rear positioning plate 102. The buffer clamp 103 has an arc-shaped groove, which is used to support the included angle of the bottom of the front positioning plate 101 or the rear positioning plate 102. The buffer clamp 103 is used to reduce the vibration generated by the front positioning plate 101 and the rear positioning plate 102 from being transmitted to the support leg 104. The support leg 104 can be a height-adjustable support leg 104. The bottom of the buffer clamp 103 can be fixed to the bracket by bolts or welding, thereby improving the service life of the support leg 104. Each buffer clamp 103 has a support leg 104 at its bottom. The support leg 104 is used to support the bottom of the front positioning plate 101 and the rear positioning plate 102, thereby supporting the plate heat exchanger. The support leg 104 is fixed to the lower surface of the support plate 305 by bolts.

[0036] Its effect is: the buffer clamp 103 is used to reduce the vibration generated by the front positioning plate 101 and the rear positioning plate 102 to the supporting leg 104, thereby improving the service life of the supporting leg 104, and the supporting leg 104 is used to support the bottom of the front positioning plate 101 and the rear positioning plate 102, thereby supporting the plate heat exchanger.

[0037] Working principle: the vibration generated by the heat exchange sheet group 100 in the plate heat exchanger during work is dispersed to the front positioning plate 101 and the rear positioning plate 102 through the clamping block 401 and the noise reduction plate 403 on the stabilizing assembly 400, and then is dispersed downward to the shock absorber 304 through the positioning assembly 300 and the reinforcing rod 303, and then is dispersed to the supporting plate 305 through a plurality of shock absorbers 304, and finally most of the vibration force is diffused to the ground through the supporting plate 305, the vibration generated by the front positioning plate 101 and the rear positioning plate 102 is reduced to the supporting leg 104 through the buffer clamp 103, thereby improving the service life of the supporting leg 104, the connection between the supporting plate 305 and the limiting plate 202 is realized through the supporting column 306, thereby realizing the connection between the upper positioning block 201 and the lower positioning block 302, thereby realizing the connection between the positioning assembly 300 and the limiting assembly 200, thereby further dispersing the vibration force, thereby reducing the abrasion of the equipment connection, thereby reducing the noise of the plate heat exchanger during work, reducing the abrasion of the equipment connection, and prolonging the service life of the entire plate heat exchanger.

[0038] In addition, it should be further pointed out that, in the description of the present application, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication between two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0039] The above is the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the principle of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection scope of the present application.

Claims

1. A novel plate heat exchanger, comprising a heat exchange sheet group (100) arranged in the middle of the plate heat exchanger, a front positioning plate (101) arranged at the front end of the heat exchange sheet group (100), and a rear positioning plate (102) arranged at the rear end of the heat exchange sheet group (100), characterized in that: The heat exchange sheet group (100) is provided with a limiting assembly (200) at the top, the bottom of the heat exchange sheet group (100) is provided with a positioning assembly (300), the bottom of the positioning assembly (300) is provided with a damping assembly (301), the middle of the left and right sides of the heat exchange sheet group (100) is provided with a stabilizing assembly (400), the front end of the stabilizing assembly (400) is connected with the front positioning plate (101), and the rear end of the stabilizing assembly (400) is connected with the rear positioning plate (102).

2. A new type of plate heat exchanger as claimed in claim 1, characterized in that The limiting assembly (200) comprises upper positioning blocks (201) connected with the top of the front positioning plate (101) and the rear positioning plate (102), the upper positioning blocks (201) are symmetrically arranged, and the upper surfaces of the upper positioning blocks (201) are provided with a limiting plate (202).

3. A new type of plate heat exchanger as claimed in claim 2, characterized in that The positioning assembly (300) comprises lower positioning blocks (302) connected with the bottom of the front positioning plate (101) and the rear positioning plate (102), the lower positioning blocks (302) are symmetrically arranged, and a plurality of reinforcing rods (303) are arranged between the lower positioning blocks (302) and the bottom of the heat exchange sheet group (100).

4. A new type of plate heat exchanger as claimed in claim 3, characterized in that The damping assembly (301) comprises a plurality of dampers (304) symmetrically arranged, the top of each damper (304) is fixed to the lower surface of the lower positioning block (302), and the lower surfaces of the dampers (304) are provided with a support plate (305).

5. A new type of plate heat exchanger as claimed in claim 4, characterized in that The support plate (305) is provided with a support column (306) at each corner, and the top of each support column (306) is connected with the limiting plate (202).

6. A new type of plate heat exchanger as claimed in claim 5, characterized in that Each stabilizing assembly (400) comprises a plurality of clamping blocks (401), the clamping blocks (401) are matched with the side walls of the upper plate of the heat exchange sheet group (100), the clamping blocks (401) are vertically concave in shape, one connecting rod (402) is arranged on the side, away from the heat exchange sheet group (100), of each clamping block (401), a noise reduction plate (403) is arranged on the side, away from the heat exchange sheet group (100), of the connecting rod (402), and connecting blocks (404) are arranged at the front end and the rear end of the noise reduction plate (403).

7. A new type of plate heat exchanger as claimed in claim 6, characterized in that The bottom of the front positioning plate (101) and the rear positioning plate (102) is provided with a buffer clamping plate (103) on each side, and a supporting leg (104) is arranged at the bottom of each buffer clamping plate (103), and the supporting leg (104) is fixed to the lower surface of the support plate (305).

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