Fluid distribution structure of plate heat exchanger

Abstract

The utility model relates to the technical field of plate heat exchangers, and discloses a plate heat exchanger fluid distribution structure which comprises a support, transverse rods are installed on the upper side and the lower side of the support, protruding blocks are arranged at the lower ends of the transverse rods, an installation assembly is installed at the upper ends of the transverse rods, and a fluid distribution assembly is installed on one side of the installation assembly. And the mounting assembly comprises a mounting block, a motor is mounted on one side of the mounting block, a lead screw is mounted at the output end of the motor, the outer side of the lead screw is sleeved with a moving block, and a guide rod is mounted on one side of the lead screw. According to the plate type heat exchanger, fluid is evenly distributed through the fluid distribution assembly, in the heat exchange process, the temperature changes of all parts of the plate sheets are relatively consistent, the heat exchange efficiency is improved to a certain degree, the stable plate type heat exchanger structure is assembled through the installation assembly and the automatic pressing fluid distribution assembly, operation is easy and convenient, and the installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to plate heat exchanger technical field, concretely is a plate heat exchanger fluid distribution structure. BACKGROUND

[0002] Plate heat exchanger mainly carries out work based on heat conduction and convection heat transfer principle, when hot fluid and cold fluid enter the adjacent passageway of heat exchanger respectively, heat is transferred to cold fluid from hot fluid through sheet, and because sheet has good heat conduction performance, heat can be rapidly transferred between the fluid on both sides of sheet.

[0003] Plate heat exchanger is widely used in industry, energy, heating and many other fields, however, the existing plate heat exchanger has some deficiencies in fluid distribution, and the traditional fluid distribution structure often leads to uneven distribution of fluid when entering the sheet passageway of heat exchanger, so it is necessary to develop a plate heat exchanger fluid distribution structure for convenient use.

[0004] Chinese patent publication number CN221802628U discloses a plate heat exchanger fluid distribution structure, relating to heat exchanger technical field, including heat exchanger body, the outer surface of one side of heat exchange plate body is fixedly connected with end plate, the outer surface of the other side of heat exchanger is fixedly connected with bottom plate, the outer surface of one side of bottom plate and end plate is close to four corners and is provided with through hole, the inside of every two through holes is connected with bolt, the both ends of a plurality of bolts are threaded with nut, the outer surface of opposite side of end plate and bottom plate is close to four corners and is fixedly connected with conduit, the utility model solves the problem that the traditional heat exchanger generally conducts the device effectively, but has no better effect on side fixation, so that the device is not convenient to control effectively, reduces the use effect of the device, and the device cannot be controlled better when in use, thereby reducing the use efficiency of the device.

[0005] The above-mentioned prior art fixes the side, thereby effectively controlling the device, improving the use effect of the device, and the device can be better controlled when in use, thereby improving the use efficiency of the device, but the existing device often leads to uneven distribution of fluid when entering the sheet passageway of heat exchanger during use, so that the temperature of each part on the sheet varies, which reduces the heat exchange efficiency to a certain extent. UTILITY MODEL CONTENTS

[0006] The utility model discloses a plate heat exchanger fluid distribution structure, to solve the problem that the fluid distribution structure in the above background technique often leads to uneven distribution of fluid when entering the heat exchanger plate channel, makes the temperature change of each part on the plate piece not identical, reduces the heat exchange efficiency to a certain extent.

[0007] In order to solve the above technical problem, the utility model provides the following technical scheme: a plate heat exchanger fluid distribution structure, including support, the upper and lower sides of support are installed with cross bar, the lower end of cross bar is provided with lug, the upper end of cross bar is installed with installation component, one side of installation component is installed with fluid distribution component,

[0008] The installation component includes installation block, one side of installation block is installed with motor, the output of motor is installed with lead screw, the outside of lead screw is equipped with moving block, one side of lead screw is installed with guide rod, the lower end of moving block is installed with sliding block, the lower end of sliding block is installed with pressure block.

[0009] The fluid distribution component includes first plate piece, the middle position of first plate piece is equipped with first through -hole, the two sides diagonal position of first through -hole is equipped with second through -hole, the outer ring of first through -hole is installed with first sealing ring, the outer ring of second through -hole is provided with second sealing ring, the symmetry position of second through -hole is equipped with third through -hole in first plate piece, the outer ring of first plate piece is installed with first outer ring sealing pad, one side of first plate piece is provided with second plate piece, the second plate piece is installed with third sealing ring, the outer ring of second plate piece is installed with second outer ring sealing pad.

[0010] Preferably, one side of the fluid distribution component is provided with a fixed plate, the middle position of the fixed plate is provided with a liquid inlet pipeline, two groups of liquid outlet pipelines are installed at the diagonal line positions on both sides of the liquid inlet pipeline, and two groups of conveying pipelines are provided at the symmetric positions of the two groups of liquid outlet pipelines.

[0011] Preferably, the installation block is detachably arranged at the upper end of the cross bar, the motor is detachably arranged at one side of the installation block, and the output end of the motor is detachably connected with the lead screw.

[0012] Preferably, the lead screw is matched with the moving block, and the guide rod penetrates through the moving block and extends to the outside thereof.

[0013] Preferably, the sliding block is slidingly arranged at the outside of the cross bar, the pressure block is matched with the fluid distribution component, the second through -hole is two groups, and the two groups of second through -holes are symmetrically arranged at the symmetric line positions on both sides of the first through -hole.

[0014] Preferably, the third through holes are in multiple groups, and the multiple groups of the third through holes are arranged in a diagonal manner at symmetrical positions of the second through holes; the first plate and the second plate are provided with recesses matched with the protrusions at corresponding positions of the protrusions.

[0015] Preferably, the second plate is similar in structure to the first plate, and the third sealing ring frames the first through hole and the two groups of the second through holes arranged in a diagonal manner on the second plate.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] Firstly, the fluid distribution assembly is arranged, so that the fluid is uniformly distributed, the temperature changes of various parts of the plate are relatively consistent in the heat exchange process, the heat exchange efficiency is improved to a certain extent, one kind of fluid enters the inner cavity separated by the first plate and the second plate through a group of third through holes, is discharged through another group of third through holes in a diagonal line, another kind of fluid enters the inner cavity separated by the second plate and the first plate through the first through hole, the third sealing ring blocks the fluid, and the fluid is uniformly distributed and fully heat exchanged in the cavity through the multiple groups of the second through holes arranged in a diagonal manner.

[0018] Secondly, the mounting assembly is arranged, the fluid distribution assembly is automatically compressed, the plate heat exchanger structure is assembled stably, the operation is simple and convenient, the installation efficiency is improved, the motor is started, the motor drives the screw rod to rotate, the screw rod drives the moving block to move, the moving block drives the sliding block to move, the sliding block drives the pressing block to move, and the pressing block moves to press the fluid distribution assembly, so that the fluid distribution assembly is tightly installed together. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is a sectional view of the utility model;

[0021] Figure 3 It is a structural schematic view of the second plate and the third sealing ring of the utility model;

[0022] Figure 4 It is a structural schematic view of the fixed plate and the liquid inlet pipeline of the utility model.

[0023] In the figure: 1, support; 2, crossbar; 3, protruding block; 4, mounting assembly; 401, mounting block; 402, motor; 403, screw rod; 404, moving block; 405, guide rod; 406, sliding block; 407, pressing block; 5, fluid distribution assembly; 501, first plate; 502, first through hole; 503, second through hole; 504, first sealing ring; 505, second sealing ring; 506, first outer ring sealing gasket; 507, second plate; 508, third through hole; 509, third sealing ring; 510, second outer ring sealing gasket; 6, fixed plate; 7, liquid inlet pipeline; 8, liquid outlet pipeline; 9, conveying pipeline. DETAILED DESCRIPTION

[0024] 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 protection scope of the utility model.

[0025] Please refer to Figures 1-4 A plate heat exchanger fluid distribution structure, including support 1, the upper and lower sides of support 1 are provided with crossbar 2, the lower end of crossbar 2 is provided with protruding block 3, the upper end of crossbar 2 is provided with mounting assembly 4, one side of mounting assembly 4 is provided with fluid distribution assembly 5;Mounting assembly 4 includes mounting block 401, one side of mounting block 401 is provided with motor 402, the output end of motor 402 is provided with screw rod 403, the outer side of screw rod 403 is provided with moving block 404, one side of screw rod 403 is provided with guide rod 405, the lower end of moving block 404 is provided with sliding block 406, the lower end of sliding block 406 is provided with pressing block 407;Fluid distribution assembly 5 includes first plate 501, the middle position of first plate 501 is provided with first through hole 502, the diagonal position of first through hole 502 is provided with second through hole 503, the outer ring of first through hole 502 is provided with first sealing ring 504, the outer ring of second through hole 503 is provided with second sealing ring 505, the symmetric position of second through hole 503 of first plate 501 is provided with third through hole 508, the outer ring of first plate 501 is provided with first outer ring sealing gasket 506, one side of first plate 501 is provided with second plate 507, second plate 507 is provided with third sealing ring 509, the outer ring of second plate 507 is provided with second outer ring sealing gasket 510.

[0026] Through the technical scheme, the fluid distribution assembly 5 is arranged, so that the fluid is uniformly distributed, the temperature change of each part of the plate is relatively consistent in the heat exchange process, the heat exchange efficiency is improved to a certain extent, one kind of fluid enters the inner cavity separated by the first plate 501 and the second plate 507 through a group of third through holes 508, is discharged through another group of third through holes 508 arranged in diagonal lines, another kind of fluid enters the inner cavity separated by the second plate 507 and the first plate 501 through the first through hole 502, the third sealing ring 509 blocks the fluid, and the fluid is uniformly distributed and fully heat exchanged in the cavity through a plurality of groups of second through holes 503 arranged in diagonal lines, the mounting assembly 4 is arranged, the fluid distribution assembly 5 is automatically compressed, and a stable plate heat exchanger structure is assembled, so that the operation is simple and convenient, and the installation efficiency is improved, the motor 402 is started, the motor 402 drives the screw rod 403 to rotate, the screw rod 403 drives the moving block 404 to move, the moving block 404 drives the sliding block 406 to move, the sliding block 406 drives the pressing block 407 to move, the pressing block 407 moves and presses the fluid distribution assembly 5, so that the fluid distribution assembly 5 is tightly installed together, and the first plate 501 and the second plate 507 are provided with a plurality of micro guide grooves, the fluid is uniformly distributed in the plate channel, the shape is wave-shaped, and the wave direction on the plate is crossed, the height and the interval are determined according to the size of the plate channel and the fluid characteristics, the flow direction of the fluid can be disturbed, the fluid is more uniformly distributed in the channel, and the phenomenon that the local flow rate is too fast or too slow is avoided.

[0027] Specifically, one side of the fluid distribution assembly 5 is provided with a fixed plate 6, a liquid inlet pipeline 7 is arranged at the middle position of the fixed plate 6, two groups of liquid outlet pipelines 8 are installed at the diagonal line positions on both sides of the liquid inlet pipeline 7, and two groups of conveying pipelines 9 are arranged at the symmetrical positions of the two groups of liquid outlet pipelines 8.

[0028] Through the technical scheme, the fixed plate 6 is detachably arranged on one side of the cross rod 2, the liquid inlet pipeline 7 is used in cooperation with the first through hole 502, the liquid outlet pipeline 8 is used in cooperation with the second through hole 503, and the conveying pipeline 9 is used in cooperation with the third through hole 508.

[0029] Specifically, the mounting block 401 is detachably arranged at the upper end of the cross rod 2, the motor 402 is detachably arranged on one side of the mounting block 401, and the output end of the motor 402 is detachably connected with the screw rod 403.

[0030] Through the technical scheme, the mounting block 401 supports the operation of the screw rod 403 to a certain extent, the motor 402 is connected with a power supply and a controller, and is used for guaranteeing independent operation of each device, and the motor 402 is used for driving the screw rod 403 to rotate.

[0031] Specifically, the screw rod 403 is matched with the moving block 404, and the guide rod 405 penetrates through the moving block 404 and extends to the outside of the moving block 404.

[0032] Through the technical scheme, the screw rod 403 rotates to drive the moving block 404 to move, linear movement is converted from rotary motion, the guide rod 405 penetrates through the moving block 404, and stability of movement of the moving block 404 is ensured.

[0033] Specifically, the sliding block 406 is arranged to slide outside the cross rod 2, the pressing block 407 is matched with the fluid distribution assembly 5, and the second through hole 503 is two groups, and the two groups of second through holes 503 are symmetrically arranged at the symmetric line positions on the two sides of the first through hole 502.

[0034] Through the technical scheme, the sliding block 406 is arranged outside the cross rod 2, the pressing block 407 is driven to move by the sliding block 406, the pressing block 407 is moved to press the fluid distribution assembly 5, and the first plate 501 and the second plate 507 are attached together.

[0035] Specifically, the third through hole 508 is a plurality of groups, the plurality of groups of third through holes 508 are arranged in diagonal lines at the symmetric positions of the second through hole 503, and the first plate 501 and the second plate 507 are provided with recesses matched with the protrusions 3 at corresponding positions.

[0036] Through the technical scheme, the third through hole 508 is arranged in diagonal lines, the fluid forms a complex and uniform flow path between the plates, when the fluid enters the inner cavity separated by the first plate 501 and the second plate 507 from the third through hole 508, the diagonal line arrangement guides the fluid to flow obliquely, avoiding the fluid to flow out directly in a short distance, thereby prolonging the residence time of the fluid in the inner cavity, and the recesses matched with the protrusions 3 are arranged at corresponding positions of the first plate 501 and the second plate 507, so that the first plate 501 and the second plate 507 are conveniently installed.

[0037] Specifically, the second plate 507 is similar in structure to the first plate 501, and the third sealing ring 509 frames the first through hole 502 and the two groups of second through holes 503 arranged in diagonal lines on the second plate 507.

[0038] Through the technical scheme, the first through hole 502, the second through hole 503 and the third through hole 508 are also arranged on the second plate 507, but the third sealing ring 509 is arranged on the second plate 507, the first through hole 502 and the two groups of second through holes 503 arranged in diagonal lines on the second plate 507 are framed together, so that the fluid enters the inner cavity separated by the second plate 507 and the first plate 501 through the first through hole 502, the third sealing ring 509 blocks the fluid, and the plurality of groups of second through holes 503 arranged in diagonal lines are arranged to discharge, so that the two fluids are separated to perform heat exchange operation.

[0039] In use, when it is required to make the fluid evenly distributed to carry out heat exchange operation, one kind of fluid enters into the inner cavity separated by the first sheet 501 and the second sheet 507 through a group of third through holes 508, is discharged through another group of third through holes 508 of diagonal line, another kind of fluid enters into the inner cavity separated by the second sheet 507 and the first sheet 501 through the first through hole 502, the third sealing ring 509 is blocked to the fluid, is discharged through a plurality of groups of second through holes 503 arranged diagonally, so that the fluid is evenly distributed and fully heat exchanged in the cavity, when it is required to carry out the compression installation operation to the fluid distribution assembly 5, the motor 402 is started, the motor 402 drives the screw rod 403 to rotate, the screw rod 403 rotates and drives the moving block 404 to move, the moving block 404 moves and drives the sliding block 406 to move, the sliding block 406 moves and drives the pressing block 407 to move, the pressing block 407 moves and presses the fluid distribution assembly 5, so that it is tightly installed together.

[0040] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A fluid distribution structure for a plate heat exchanger, comprising a support (1), characterized in that: The bracket (1) is equipped with crossbars (2) on its upper and lower sides. The lower end of the crossbar (2) is provided with a protrusion (3). The upper end of the crossbar (2) is equipped with an installation component (4). A fluid distribution component (5) is installed on one side of the installation component (4). The mounting assembly (4) includes a mounting block (401), a motor (402) is mounted on one side of the mounting block (401), a lead screw (403) is mounted on the output end of the motor (402), a moving block (404) is sleeved on the outside of the lead screw (403), a guide rod (405) is mounted on one side of the lead screw (403), a slider (406) is mounted on the lower end of the moving block (404), and a pressure block (407) is mounted on the lower end of the slider (406). The fluid distribution assembly (5) includes a first plate (501), a first through hole (502) is provided in the middle of the first plate (501), a second through hole (503) is provided at diagonal positions on both sides of the first through hole (502), a first sealing ring (504) is installed on the outer ring of the first through hole (502), a second sealing ring (505) is provided on the outer ring of the second through hole (503), a third through hole (508) is provided on the first plate (501) at a symmetrical position to the second through hole (503), a first outer ring sealing gasket (506) is installed on the outer ring of the first plate (501), a second plate (507) is provided on one side of the first plate (501), a third sealing ring (509) is installed on the second plate (507), and a second outer ring sealing gasket (510) is installed on the outer ring of the second plate (507).

2. The fluid distribution structure of a plate heat exchanger according to claim 1, characterized in that: A fixing plate (6) is provided on one side of the fluid distribution component (5), and an inlet pipe (7) is provided in the middle of the fixing plate (6). Two sets of outlet pipes (8) are installed on the diagonal positions on both sides of the inlet pipe (7), and two sets of delivery pipes (9) are provided on the symmetrical positions of the two sets of outlet pipes (8).

3. The fluid distribution structure of a plate heat exchanger according to claim 1, characterized in that: The mounting block (401) is detachably mounted on the upper end of the crossbar (2), the motor (402) is detachably mounted on one side of the mounting block (401), and the output end of the motor (402) is detachably connected to the lead screw (403).

4. The fluid distribution structure of a plate heat exchanger according to claim 1, characterized in that: The lead screw (403) is matched with the moving block (404), and the guide rod (405) passes through the moving block (404) and extends to its outer side.

5. The fluid distribution structure of a plate heat exchanger according to claim 1, characterized in that: The slider (406) is slidably disposed on the outside of the crossbar (2), the pressure block (407) is matched with the fluid distribution assembly (5), and there are two sets of the second through holes (503). The two sets of the second through holes (503) are symmetrically disposed on both sides of the first through hole (502) along the line of symmetry.

6. The fluid distribution structure of a plate heat exchanger according to claim 1, characterized in that: The third through hole (508) is in multiple sets, and the multiple sets of the third through hole (508) are arranged diagonally in the symmetrical position of the second through hole (503). The first plate (501) and the second plate (507) have grooves that match the corresponding positions of the protrusion (3).

7. The fluid distribution structure of a plate heat exchanger according to claim 1, characterized in that: The second plate (507) has a similar structure to the first plate (501), and the third sealing ring (509) frames the first through hole (502) and two sets of second through holes (503) arranged diagonally on the second plate (507).

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