Backwashing operation device of heat exchanger
By designing a backwashing operation device for heat exchangers and utilizing a backwashing valve and filter plate filtration system, the problems of difficult and time-consuming cleaning of oil coolers were solved, achieving efficient cleaning and wastewater treatment and ensuring the normal operation of the heat exchangers.
Patent Information
- Application Number
- CN202423073396.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-13
AI Technical Summary
In existing technologies, cleaning oil coolers requires opening both side caps, making the overall cleaning process difficult, time-consuming, and inefficient.
Design a heat exchanger backwashing operation device to achieve cleaning without disassembling the end cap through a backwash valve and inlet water pipeline. Combined with filter plate filtration and stirring blade agitation, a bevel gear system driven by a motor is used to achieve sewage treatment.
It achieves efficient cleaning of the inside of the oil cooler, reduces dirt and sludge residue, improves cleaning efficiency, simplifies the operation process, and ensures the efficiency of the heat exchanger.
Smart Images

Figure CN223636723U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat exchanger technical field especially relates to a heat exchanger backwash operation device. BACKGROUND
[0002] The oil cooler is one kind of heat exchanger, wherein the oil cooler of the phthalic anhydride device switching system is cooled by the shell side heat conducting oil through the pipe side circulating water, and after long time operation, the pipe side circulating water silt and dirt deposit, which will affect the cooling temperature of the heat conducting oil, and further affect the use of the oil cooler.
[0003] In the long-term use of the oil cooler, in order to ensure the use efficiency of the oil cooler, the silt and dirt deposit inside the oil cooler need to be cleaned, but when the oil cooler is cleaned, the two side heads need to be opened, the overall cleaning difficulty is big, the time consumption is long, and the cleaning efficiency is low. UTILITY MODEL CONTENTS
[0004] The utility model discloses a heat exchanger backwash operation device, which can solve the problems of the prior art, such as the need to open the two side heads for cleaning, the high overall cleaning difficulty, the long time consumption and the low cleaning efficiency.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a heat exchanger backwash operation device, comprising an oil cooler body, a reinforcing plate is fixedly connected to the bottom of the oil cooler body, a water outlet pipe is fixedly communicated with the top of the oil cooler body, a water outlet valve is fixedly communicated with one end of the water outlet pipe, a water inlet pipe is fixedly communicated with the bottom of the oil cooler body, a water inlet valve is fixedly communicated with the bottom of the water inlet pipe, a branch pipe is fixedly connected to one side of the water inlet pipe, a backwash valve is fixedly communicated with one end of the branch pipe, and a connecting pipe is fixedly communicated with one end of the backwash valve.
[0006] Preferably, the reinforcing plate is fixedly connected to one side of the processing box, the processing box is penetrated by the connecting pipe, and a blowdown pipe is fixedly communicated with one side of the processing box.
[0007] Preferably, the processing box is provided with a filter plate one, the filter plate one is provided with a filter plate two, and one side of the filter plate two is connected with the inner wall of the processing box.
[0008] Preferably, the filter plate one and the filter plate two form a processing cavity, and a turnover shaft is rotatably connected to the inner wall of the processing cavity.
[0009] Preferably, the turnover shaft is fixedly connected to the outer ring surface of the connecting frame, the connecting frame is fixedly connected to one side of the reinforcing strip, and the reinforcing strip is fixedly connected to one side of the stirring blade.
[0010] Preferably, the other end of the turnover shaft penetrates through the side wall of the treatment box and is fixedly connected with a bevel gear I, which is rotationally connected with the treatment box.
[0011] Preferably, the bevel gear I is meshed with a bevel gear II on one side, the output shaft of a motor is fixedly connected with the bevel gear II on one side, and the motor is fixedly connected with the treatment box on one side.
[0012] Compared with the prior art, the utility model has the advantages and positive effects that:
[0013] 1、the utility model discloses a backflushing valve one end passes through the branch pipe and communicates with the water inlet pipe, and the water inlet pipe top communicates with the oil cooler body, when backflushing, the water inlet valve is closed, and the water outlet valve and backflushing valve are opened, and the clean water enters the oil cooler body inside and washes, and the sewage produced after washing is discharged through the connecting pipe, reduces the residual of dirt and sludge in the oil cooler body, can avoid the multiple disassembly of oil cooler head in the cleaning process, and the operation is convenient, time -consuming is shorter, and the cleaning efficiency is higher, can guarantee the use efficiency of heat exchanger.
[0014] 2、the utility model discloses that filter plate one and filter plate two one side all are with the inside wall of treatment box and are clamped and are connected, and the sewage enters the treatment box, can be filtered after entering the treatment cavity in filter plate one, then is filtered again in filter plate two, and through the stirring of stirring vane and connecting frame to sewage, can accelerate the dissolution of sewage and alkaline solution, thereby removing the grease in the sewage, realize the purification treatment to the sewage, reduce the organic matter content in the sewage. DRAWINGS
[0015] Figure 1 a kind of heat exchanger backflushing operation device's reinforcing plate structure installation schematic view is proposed for the utility model;
[0016] Figure 2 a kind of heat exchanger backflushing operation device's reinforcing plate structure installation schematic view is proposed for the utility model;
[0017] Figure 3 a kind of heat exchanger backflushing operation device's filter plate two structure installation schematic view is proposed for the utility model;
[0018] Figure 4 a kind of heat exchanger backflushing operation device's connecting frame structure installation schematic view is proposed for the utility model.
[0019] Legend: 1, oil cooler body;2, water outlet pipe;3, water outlet valve;4, water inlet pipe;5, water inlet valve;6, backflushing valve;7, treatment box;8, blowdown pipe;9, connecting pipe;10, filter plate one;11, filter plate two;12, bevel gear I;13, motor;14, stirring vane;15, turnover shaft;16, connecting frame;17, bevel gear II;18, reinforcing plate. DETAILED DESCRIPTION
[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0022] Example 1: Refer to Figures 1-2 As shown: A heat exchanger backflushing operation device includes an oil cooler body 1, a reinforcing plate 18 fixedly connected to the bottom of the oil cooler body 1, an outlet pipe 2 fixedly connected to the top of the oil cooler body 1, an outlet valve 3 fixedly connected to one end of the outlet pipe 2, an inlet pipe 4 fixedly connected to the bottom of the oil cooler body 1, an inlet valve 5 fixedly connected to the bottom of the inlet pipe 4, a branch pipe fixedly connected to one side of the inlet pipe 4, a backflushing valve 6 fixedly connected to one end of the branch pipe, and a connecting pipe 9 fixedly connected to one end of the backflushing valve 6.
[0023] The bottom of the oil cooler body 1 can be supported by the reinforcing plate 18. The water outlet pipe 2 can connect the water outlet valve 3 to the oil cooler body 1. The backwash valve 6 can connect to the branch pipe through the connecting pipe 9. The backwash valve 6 and the water inlet pipe 4 can be connected through the branch pipe. The water inlet pipe 4 can connect the water inlet valve 5 to the oil cooler body 1, thus forming a complete pipeline for backwashing.
[0024] Example 2: Figures 1-4 As shown, a processing box 7 is fixedly connected to one side of the reinforcing plate 18. A connecting pipe 9 passes through one side of the processing box 7, and a drain pipe 8 is fixedly connected to one side of the processing box 7. A filter plate 10 is fitted into the inner wall of the processing box 7. A filter plate 11 is provided on one side of the filter plate 10. One side of the filter plate 11 is fitted into the inner wall of the processing box 7. A processing cavity is formed between the filter plate 10 and the filter plate 11. A flipping shaft 15 is rotatably connected to the inner wall of the processing cavity. A connecting frame 16 is fixedly connected to the outer ring surface of the flipping shaft 15. A reinforcing strip is fixedly connected to one side of the connecting frame 16. A stirring blade 14 is fixedly connected to one side of the reinforcing strip. A bevel gear 12 is fixedly connected to the other end of the flipping shaft 15 after passing through the side wall of the processing box 7. The bevel gear 12 is rotatably connected to the processing box 7. A bevel gear 17 meshes with one side of the bevel gear 12. The output shaft of a motor 13 is fixedly connected to one side of the bevel gear 17. The motor 13 is fixedly connected to the processing box 7.
[0025] The reinforced plate 18 can be used to reinforce one side of the treatment box 7, the sewage can be sent into the treatment box 7 through the connecting pipe 9, the treated sewage can be discharged from the treatment box 7 through the sewage discharge pipe 8, the sewage can be preliminarily filtered through the filter plate one 10, the sewage, the sludge and the large-sized dirt are separated, the sewage can be filtered again through the filter plate two 11, the solid-liquid separation of the treated sewage is realized, the motor 13 can be used to support and reinforce one side of the treatment box 7, the rotation of the bevel gear two 17 can be driven by the motor 13, the bevel gear two 17 can stably rotate at one side of the treatment box 7, the bevel gear one 12 can be driven to rotate at one side of the treatment box 7 through the meshing of the bevel gear two 17 and the bevel gear one 12, the sealing sleeve is installed between the bevel gear one 12 and the outer wall of the treatment box 7, so that the sewage can not flow from the gap on the side wall of the treatment box 7, the bevel gear one 12 can drive the turnover shaft 15 to stably rotate in the treatment box 7, and then the synchronous rotation of the stirring blade 14, the connecting frame 16 and the turnover shaft 15 is realized, the contact area with the sewage can be increased through the stirring blade 14 and the connecting frame 16, the sewage is quickly stirred, the sodium hydroxide solution is uniformly mixed with the sewage, reacts with the oil and the organic matter in the sewage, and the rapid treatment of the sewage is realized, so that the influence of the subsequent sewage discharged from the sewage discharge pipe 8 on the environment can be reduced.
[0026] The use method and working principle of the device are as follows: when the device is normally operated, the oil cooler body 1 is put into use in the normal process, and the backwashing valve 6 is closed; when the oil cooler body 1 needs to be cleaned inside during maintenance, the water inlet valve 5 is closed, the water outlet valve 3 and the backwashing valve 6 are opened, the clean water enters the oil cooler body 1 to clean the inside of the oil cooler body 1, the sewage discharged from the oil cooler body 1 is discharged through the branch pipe and the connecting pipe 9, and the sewage enters the treatment box 7, is filtered by the filter plate one 10 first, and then enters the treatment cavity, the sodium hydroxide solution is added in the treatment cavity, the bevel gear two 17 is driven to rotate by the motor 13, the bevel gear two 17 meshes with the bevel gear one 12, the bevel gear two 17 and the turnover shaft 15 are synchronously rotated, the stirring blade 14 and the connecting frame 16 rotate with the turnover shaft 15, the sewage is turned over and stirred, the mixing of the sewage and the solution is accelerated, the oil and the organic matter in the sewage are treated, the sewage is placed and precipitated, then the valve on the sewage discharge pipe 8 is opened, the treated liquid can be discharged through the sewage discharge pipe 8, the filter plate one 10 and the filter plate two 11 are taken out and cleaned, the adhesion of the sludge and the dirt is reduced, and the use effect of the subsequent filter plate one 10 and filter plate two 11 is ensured.
[0027] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.
Claims
1. A heat exchanger backwashing operation device, comprising an oil cooler body (1), a reinforcing plate (18) is fixedly connected to the bottom of the oil cooler body (1), characterized in that: The oil cooler body (1) top fixed communication has water outlet pipe (2), the water outlet pipe (2) one end fixed communication has water outlet valve (3), the oil cooler body (1) bottom fixed communication has water inlet pipe (4), the water inlet pipe (4) bottom fixed communication has water inlet valve (5), the water inlet pipe (4) one side fixedly connected with branch pipe, branch pipe one end fixed communication has backwash valve (6), the backwash valve (6) one end fixed communication has connecting pipe (9).
2. The heat exchanger backwash operation device according to claim 1, characterized in that: The reinforcing plate (18) one side fixedly connected with processing box (7), the processing box (7) one side is penetrated by connecting pipe (9), the processing box (7) one side fixed communication has blowdown pipe (8).
3. The heat exchanger backwash operation device according to claim 2, characterized in that: The processing box (7) inner wall is clamped with filter plate one (10), the filter plate one (10) one side is provided with filter plate two (11), and the filter plate two (11) one side is clamped and connected with the inner wall of processing box (7).
4. The heat exchanger backwash operation device according to claim 3, characterized in that: The filter plate one (10) and filter plate two (11) are surrounded by processing cavity, and the processing cavity inner wall is rotatably connected with the turnover shaft (15).
5. The heat exchanger backwash operation device according to claim 4, characterized in that: The outer ring surface of the turnover shaft (15) is fixedly connected with the connecting frame (16), one side of the connecting frame (16) is fixedly connected with the reinforcing strip, and one side of the reinforcing strip is fixedly connected with the stirring blade (14).
6. The heat exchanger backwash operation device according to claim 5, characterized in that: The other end of the turnover shaft (15) penetrates the side wall of the processing box (7) and is fixedly connected with the bevel gear one (12), and the bevel gear one (12) is rotatably connected with the processing box (7).
7. The heat exchanger backwash operation device according to claim 6, characterized in that: The bevel gear one (12) one side is engaged with bevel gear two (17), and the output shaft of the motor (13) is fixedly connected with the bevel gear two (17) one side, and the motor (13) one side is fixedly connected with the processing box (7).