All-welded plate heat exchanger

By introducing a filter box and drive assembly into the all-welded plate heat exchanger, and using a servo motor to drive the filter frame to filter impurities, the problem of internal scaling in the all-welded plate heat exchanger is solved, achieving effective impurity filtration and heat transfer.

CN223869870UActive Publication Date: 2026-02-03LANZHOU LS HEAT EXCHANGE EQUIP +1
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Patent Information

Application Number
CN202520487023.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-02-03
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

The lack of a filtration mechanism in the fully welded plate heat exchanger allows impurities in the fluid to enter and cause scaling, affecting heat transfer efficiency.

Method used

A fully welded plate heat exchanger with a filter box and drive assembly was designed. A servo motor drives the rotating shaft to move the drive rod and the rotating wheel, thereby moving the filter frame, filtering impurities and preventing them from entering the heat exchanger.

Benefits of technology

It effectively filters impurities in fluids, prevents scaling, maintains heat transfer efficiency, and allows for flexible adjustment of the number of filter layers to adapt to different water quality requirements. It also facilitates the disassembly and cleaning of the filter frame.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223869870U_ABST
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Abstract

The utility model discloses an all-welded plate heat exchanger which comprises a heat exchanger body, and two supports are fixedly arranged on one side of the heat exchanger body. And a transverse plate is fixedly arranged at the top end of one side of the filter box. Through the arrangement of the filter screen, the driving rod, the connecting plates and the fixed frame, after liquid is introduced into the filter box, the servo motor drives the driving rod to rotate through the rotating shaft, the driving rod drives the uppermost connecting plate to move through the rotating wheel, the connecting plates move to drive the fixed frame to move through the connecting rod, and then filtering treatment is conducted through the filter frame; along with the rotation of the rotating shaft, the lower driving rod drives the fixing frame on the same side to move, impurities in fluid are filtered, the impurities in the fluid are prevented from entering the all-welded plate heat exchanger to cause scaling in the all-welded plate heat exchanger, the heat transfer effect is not affected, meanwhile, the number of filtering layers can be flexibly increased or decreased, and the filtering efficiency is improved. The treatment requirements of different water qualities are met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to plate heat exchanger technical field, concretely is a kind of all-welded plate heat exchanger. BACKGROUND

[0002] Plate heat exchanger is a kind of high-efficiency heat exchanger by a series of metal sheet with certain corrugated stacking, thin rectangular channel is formed between various sheets, heat exchange is carried out through sheet, and all-welded plate heat exchanger is a kind of plate heat exchanger sealed by all-welding process, and the unique corrugated design makes fluid also produce turbulent flow at lower flow rate, heat transfer efficiency is high, and the whole sheet bundle is welded by argon arc welding by body material, without using any non-metallic sealing material, so it has higher temperature resistance and pressure resistance, and is widely used in petroleum, natural gas purification treatment, chemical industry, food technology and other fields.

[0003] In real life, when all-welded plate heat exchanger is actually applied, since most all-welded plate heat exchangers are not provided with filtering mechanism, impurities in fluid cannot be filtered, so that impurities in fluid enter the inside of all-welded plate heat exchanger, which easily causes fouling inside all-welded plate heat exchanger, affects heat transfer effect, and is not conducive to actual application and operation, so an all-welded plate heat exchanger is needed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an all-welded plate heat exchanger to solve the problem that most all-welded plate heat exchangers are not provided with filtering mechanism, impurities in fluid cannot be filtered, impurities in fluid enter the inside of all-welded plate heat exchanger, which easily causes fouling inside all-welded plate heat exchanger, affects heat transfer effect, and is not conducive to actual application and operation.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model is an all-welded plate heat exchanger, comprising:

[0007] Heat exchanger body, two supports are fixed on one side of the heat exchanger body;

[0008] Filtering box, a horizontal plate is fixed on the top of one side of the filtering box, a driving assembly is arranged on the top of the horizontal plate, the driving assembly comprises a servo motor, a rotating shaft, a driving rod, a rotating wheel, a connecting plate, a connecting rod and a fixing frame;

[0009] The bottom end of the servo motor is fixedly arranged at the top end of the horizontal plate, the bottom end of the rotating shaft is fixedly arranged at the output end of the servo motor, the inner wall of the driving rod is fixedly arranged at the outer wall of the rotating shaft, the bottom end of the rotating wheel is rotatably arranged at one side of the top end of the driving rod, one side of the connecting plate is attached to the outer wall of the rotating wheel, one end of the connecting rod is fixedly arranged at the other side of the connecting plate, and one side of the fixed frame is fixedly arranged at the other end of the connecting rod.

[0010] The filtering frame is arranged on the inner wall of the fixed frame.

[0011] Further, the driving assembly further comprises an elastic block, the bottom end of the elastic block is fixedly arranged at the top end of the outer wall of the connecting rod, the outer wall of the elastic block is clamped with a fixing frame, and one side of the fixing frame is fixedly arranged at one side of the filtering box.

[0012] Further, the top end of the filtering box is communicated with a water inlet pipe, the bottom end of the filtering box is communicated with a drain pipe, and the drain pipe is connected with the water inlet of the heat exchanger body.

[0013] Further, the driving assembly further comprises a spring, and the inner wall of the spring is sleeved on the outer wall of the connecting rod.

[0014] Further, the bottom end of one side of the filtering box is fixedly provided with a bottom plate, and the bottom end of the rotating shaft is connected with the top end of the bottom plate.

[0015] Further, the outer wall of the rotating shaft is fixedly provided with three driving rods, and the included angle between each driving rod is ninety degrees.

[0016] Further, the top end of the filtering frame is fixedly provided with a pull rod.

[0017] The utility model has the following beneficial effects:

[0018] The utility model discloses a filtering device for full-welded plate heat exchanger, which comprises a fixed frame, a filtering box, a rotating shaft, a driving rod, a rotating wheel, a connecting plate, a connecting rod and a filtering frame.

[0019] Based on the above beneficial effects, after the filtering frame filtering treatment, the filter box is opened, the pull rod is pulled upward until the filtering frame is separated from the fixed frame, then the elastic block on the same side is pressed downward, the fixed frame is driven to move and reset under the elastic action of the spring, then the filtering frame below is taken out in the same way, so that the filtering frame is conveniently disassembled and cleaned, and the filtering effect is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical schemes of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings described in the following are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0021] Figure 1 It is a whole structure schematic view of the present application;

[0022] Figure 2 It is a filter box connecting structure schematic view of the present application;

[0023] Figure 3 It is a driving assembly connecting structure schematic view of the present application;

[0024] Figure 4 It is a fixed frame and filtering frame connecting explosion view of the present application;

[0025] Figure 5 It is a filter box internal connecting structure sectional view of the present application.

[0026] In the drawings, the component list represented by each number is as follows:

[0027] 1, heat exchanger body; 2, support; 3, filter box; 4, cross plate; 5, driving assembly; 6, filtering frame; 7, pull rod; 8, fixed frame; 9, bottom plate;

[0028] 31, water inlet pipe; 32, drain pipe;

[0029] 51, servo motor; 52, rotating shaft; 53, driving rod; 54, rotating wheel; 55, connecting plate; 56, connecting rod; 57, fixed frame; 58, elastic block; 59, spring. DETAILED DESCRIPTION

[0030] The technical schemes in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0031] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0032] Please refer to Figures 1-5 The utility model discloses a full-welded plate heat exchanger, comprising:

[0033] The heat exchanger body 1 is fixed with two supports 2 on one side thereof;

[0034] The heat exchanger body 1 is used for heat exchange, and the support 2 is L-shaped and mainly used for connection and support;

[0035] The filter box 3 is fixed with a horizontal plate 4 at the top of one side thereof, and the horizontal plate 4 is provided with a driving assembly 5 at the top thereof; the driving assembly 5 comprises a servo motor 51, a rotating shaft 52, a driving rod 53, a rotating wheel 54, a connecting plate 55, a connecting rod 56 and a fixed frame 57;

[0036] The bottom end of the servo motor 51 is fixedly arranged at the top of the horizontal plate 4, the bottom end of the rotating shaft 52 is fixedly arranged at the output end of the servo motor 51, the inner wall of the driving rod 53 is fixedly arranged at the outer wall of the rotating shaft 52, the bottom end of the rotating wheel 54 is rotatably arranged at one side of the top end of the driving rod 53, one side of the connecting plate 55 is attached to the outer wall of the rotating wheel 54, one end of the connecting rod 56 is fixedly arranged at the other side of the connecting plate 55, and one side of the fixed frame 57 is fixedly arranged at the other end of the connecting rod 56;

[0037] The servo motor 51 is used for providing driving force required for the rotation of the driving rod 53, the rotating shaft 52 is used for transmitting driving force, the top end of the outer wall of the rotating shaft 52 penetrates through the horizontal plate 4 and is connected with the horizontal plate 4 in a bearing mode, and the fixed frame 57 is arranged in the interior of the filter box 3

[0038] The filter frame 6 is arranged on the inner wall of the fixed frame 57;

[0039] The filter frame 6 is used for filtering and removing impurities in the liquid entering the filter box 3;

[0040] The driving assembly 5 further comprises an elastic block 58, the bottom end of the elastic block 58 is fixedly arranged at the top end of the outer wall of the connecting rod 56, the outer wall of the elastic block 58 is clamped with a fixing bracket 8, and one side of the fixing bracket 8 is fixedly arranged at one side of the filter box 3;

[0041] The number of the connecting rod 56 is three, the outer wall of the connecting rod 56 penetrates through the fixing bracket 8 and the filter box 3 respectively and is connected with the two in a sliding mode, the fixing bracket 8 is shaped as a sun, and three clamping holes matched with the elastic block 58 are formed at the corresponding positions on the fixing bracket 8, and the elastic block 58 and the fixing bracket 8 are clamped to limit and fix the fixed frame 57;

[0042] The top end of the filter box 3 is communicated with a water inlet pipe 31, the bottom end of the filter box 3 is communicated with a drain pipe 32, and the drain pipe 32 is connected with the water inlet of the heat exchanger body 1;

[0043] The water inlet pipe 31 is used for feeding liquid into the filter box 3. The drain pipe 32 is used for feeding the filtered liquid in the filter box 3 into the heat exchanger body 1;

[0044] The driving assembly 5 further comprises a spring 59, and the inner wall of the spring 59 is sleeved on the outer wall of the connecting rod 56;

[0045] One end of the spring 59 is fixedly connected with one side of the fixed frame 8, and the other end of the spring 59 is fixedly connected with one side of the connecting plate 55;

[0046] The bottom end of one side of the filter box 3 is fixedly provided with a bottom plate 9, and the top end of the bottom plate 9 is bearing-connected with the bottom end of the rotating shaft 52;

[0047] The bottom plate 9 is used for supporting the rotating shaft 52 to rotate;

[0048] The outer wall of the rotating shaft 52 is fixedly provided with three driving rods 53, and the included angle between each driving rod 53 is ninety degrees;

[0049] The three driving rods 53 arranged at equal angles can respectively drive the connecting plate 55 to move through the rotating shaft 52;

[0050] Working principle: open the servo motor 51, the servo motor 51 works to drive the driving rod 53 to rotate through the rotating shaft 52, the driving rod 53 rotates to drive the uppermost connecting plate 55 to move through the rotating wheel 54, the connecting plate 55 moves to drive the connecting rod 56 to move, the connecting rod 56 drives the fixed frame 57 to move, until the elastic block 58 on the connecting rod 56 is clamped with the fixed frame 8, liquid filtration is carried out through the filter frame 6 in the fixed frame 57, and the same is true for the liquid filtration according to the need, and the fixed frame 57 on the same side is driven to move through the lower driving rod 53;

[0051] This step can meet the need of filtering impurities in the fluid, avoid the impurities in the fluid from entering the inside of the all-welded plate heat exchanger to cause fouling in the inside of the all-welded plate heat exchanger, and not affect the heat transfer effect. Meanwhile, the number of filter layers can be flexibly increased or decreased to adapt to the treatment needs of different water quality.

[0052] Please refer to Figures 1-5 The embodiment further comprises:

[0053] The top end of the filter frame 6 is fixedly provided with a pull rod 7 on one side;

[0054] The top end of the filter box 3 is detachable and is fixed through bolt connection;

[0055] Working principle: dismounting and opening the filter box 3 top end, then moving the fixed frame in turn, then pulling the pull rod 7 upwards, moving the filter frame 6 out of the fixed frame 57, then pressing the elastic block 58 downwards, moving the fixed frame 57 back under the elastic effect of the spring 59, and taking out the lower filter frame 6 in the same way;

[0056] This step can meet the convenient dismounting and cleaning of the filter frame 6 and guarantee the filtering effect.

[0057] The preferred embodiments disclosed above are only used for helping to describe the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation manners. Apparently, according to the content of the description, many modifications and changes can be made. The description selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A full welded plate heat exchanger, characterized in that The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57). The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57). The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57). The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57). The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57).

2. A fully welded plate heat exchanger according to claim 1, characterized in that: The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57).

3. A fully welded plate heat exchanger according to claim 1, characterized in that: The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57).

4. A fully welded plate heat exchanger according to claim 1, characterized in that: The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57).

5. A fully welded plate heat exchanger according to claim 1, characterized in that: The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57).

6. A fully welded plate heat exchanger according to claim 1, characterized in that: The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57).

7. A fully welded plate heat exchanger according to claim 1, characterized in that: The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57). The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57). The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57). The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57). The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57). The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57). The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57). The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57). The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57). The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box (3) one side top end is equipped with horizontal plate (4) fixedly, horizontal plate (4) top end is equipped with drive assembly (5), drive assembly (5) includes servo motor (51), pivot (52), drive rod (53), runner (54), connecting plate (55), connecting rod (56) and fixed frame (57). The utility model relates to a heat exchanger body (1) one side is equipped with two supports (2) fixedly, filter box