Plate heat exchanger cleaning device

Abstract

The utility model discloses a plate heat exchanger cleaning device and relates to the technical field of heat exchangers, the plate heat exchanger cleaning device comprises a plate heat exchanger and a cleaning mechanism, an equipment box is installed on the outer side of the plate heat exchanger, and the cleaning mechanism is arranged on the inner side of the equipment box. The flow and pressure of the water pump can be adjusted according to feedback information of the detection assembly, and the pressure of the liquid in the plate heat exchanger can be measured through the pressure detection valve so as to judge whether the plate heat exchanger needs to be cleaned or not. The solid content detector can judge whether the plate heat exchanger is cleaned up or not, the filter plate can conduct graded filtration according to the size of solid impurities, the solid impurities are intercepted on the filter screen, the slag outlet is used for discharging the solid impurities, the solid impurities on the filter plate can be discharged through gravity, and the situation that the filter plate is blocked, and the filtering effect is affected is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a cleaning device for a plate type heat exchanger. Background Art

[0002] The plate heat exchanger cleaning device is a device specially used for cleaning plate heat exchangers. Its purpose is to remove dirt, scale, grease and other impurities on the surface of the plate heat exchanger to ensure the normal operation of the heat exchanger and extend its service life. The working principle of the plate heat exchanger cleaning device is to use high-pressure water flow or chemical solution to flush, soak, scrub and other operations on the plate heat exchanger to achieve the cleaning effect. The advantages of the plate heat exchanger cleaning device are that it can effectively improve the heat exchange efficiency of the heat exchanger, reduce energy consumption, reduce failures, save maintenance costs, etc. The application fields of the plate heat exchanger cleaning device include chemical, pharmaceutical, food, metallurgy, electricity, air conditioning, refrigeration and other industries, all of which need to use plate heat exchangers to carry out heat exchange processes.

[0003] After searching, the patent number "CN218309837U" mentioned in the text that "the utility model discloses a plate heat exchanger cleaning device, which relates to the field of heat exchanger technology, including a cleaning chamber, in which a supporting tray is rotatably connected and a plurality of ultrasonic generators are fixedly connected, a plurality of flow holes are opened on the supporting tray, and a driving member is arranged at the bottom of the supporting tray; when the plate heat exchanger cleaning device needs to be cleaned, the plate heat exchanger cleaning device is placed on the supporting tray, the cleaning liquid is poured into the cleaning chamber, and then the dirt on the plate heat exchanger cleaning device is removed by the ultrasonic generator. The utility model performs immersion cleaning on the plate heat exchanger cleaning device, which can not only separate the surface dirt but also clean the plate heat exchanger cleaning device deeper. The second dirt can be separated, and the dirt can be quickly separated from the plate heat exchanger cleaning device, thereby improving the cleaning efficiency of the plate heat exchanger cleaning device, and the cleaning liquid can be recycled to reduce waste, which has certain environmental protection significance, and the operation is simple and convenient, suitable for large-scale promotion. "When it is used, the design of an ultrasonic generator is adopted, which can not only separate the surface dirt, but also separate the deeper dirt of the plate heat exchanger cleaning device, which can quickly separate the dirt from the plate heat exchanger cleaning device, thereby improving the cleaning efficiency of the plate heat exchanger cleaning device, and the cleaning liquid can be recycled to reduce waste. However, the device needs to dismantle the heat exchanger when cleaning the heat exchanger, which is time-consuming and labor-intensive, and it cannot actively detect whether the heat exchanger needs to be cleaned, which is not intelligent enough.

[0004] To this end, we provide a plate heat exchanger cleaning device to solve the above problems. Utility Model Content

[0005] The present application provides a plate heat exchanger cleaning device, which solves the problem that the heat exchanger needs to be dismantled when cleaning the heat exchanger, and cannot actively detect whether the heat exchanger needs to be cleaned, which is not intelligent enough.

[0006] The present application provides a plate heat exchanger cleaning device, comprising a plate heat exchanger and a cleaning mechanism, wherein an equipment box is installed on the outer side of the plate heat exchanger, and a cleaning mechanism is arranged on the inner side of the equipment box;

[0007] The cleaning mechanism comprises a pipeline component arranged outside the equipment box, a cleaning component is installed inside the equipment box, a detection component is installed outside the pipeline component, and a filter component is arranged on one side of the cleaning component.

[0008] Preferably, the pipeline assembly includes a liquid inlet tee arranged at the top of the equipment box, a liquid outlet tee is arranged at the bottom of the equipment box, and a liquid outlet branch is arranged at the top of the liquid outlet tee.

[0009] Preferably, the cleaning assembly comprises a water pump installed inside the equipment box, and the outside of the water pump is connected to a liquid storage tank through a pipeline.

[0010] Preferably, the detection assembly comprises a pressure detection valve installed on the outside of the liquid inlet three-way pipe, and a solid content detector is installed on the outside of the liquid outlet branch pipe.

[0011] Preferably, the filter assembly comprises a filter plate arranged on one side of the liquid storage tank, and a slag outlet is arranged on the other side of the filter plate.

[0012] Preferably, a control component is provided on one side of the equipment box, and the control component includes a display screen embedded in one side of the equipment box, and control buttons are provided below the display screen.

[0013] Preferably, a support assembly is fixedly connected to the bottom end of the equipment box, and the support assembly includes a telescopic support column fixed to the bottom end of the equipment box, and a pipeline adjustment plate is provided at the bottom end of the liquid inlet three-way pipe.

[0014] It can be seen from the above technical scheme that the present application provides a plate heat exchanger cleaning device. When in use, the equipment box is first adjusted to a suitable position of the plate heat exchanger by means of a telescopic support column and fixed, and then the height of the pipeline adjustment plate is adjusted so that the liquid inlet tee and the liquid outlet tee are connected to the plate heat exchanger through flanges, and then the trigger values ​​of the pressure detection valve and the solid content detector are adjusted by the control button, and then cleaning agent is added to the liquid storage tank. When the pressure detection valve detects an abnormal pressure, cleaning is started, and the valve is started to prevent the cleaning liquid from flowing back. The water pump allows the cleaning liquid in the liquid storage tank to enter the plate heat exchanger through the liquid inlet tee for cleaning. After cleaning is completed, the cleaning liquid flows from the liquid outlet branch on the liquid outlet tee to the filter plate, and the filter plate separates the cleaned liquid into solid and liquid, and the waste residue is discharged from the residue outlet. The remaining liquid flows back to the liquid storage tank for continued recycling until the solid content detector detects that the solid content is low and stops cleaning, thereby completing the cleaning of the plate heat exchanger.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. Through the setting of the control component, the pressure and solid content of the cleaning liquid can be displayed so that the user can understand the cleaning status and effect. The switch and parameters of the cleaning mechanism can be controlled by keys or touch to achieve the best cleaning effect. Through the setting of the support component, the height of the equipment box and the position of the pipeline can be adjusted to facilitate user installation and use and avoid bending and damage of the pipeline;

[0017] 2. Through the setting of the cleaning mechanism, when in use, the cleaning liquid can be pumped out from the liquid storage tank through the water pump, and then transported to the plate heat exchanger through the pipeline assembly. The flow and pressure of the water pump can be adjusted according to the feedback information of the detection assembly. The pressure of the liquid in the plate heat exchanger can be measured by the pressure detection valve to determine whether the plate heat exchanger needs to be cleaned. The solid content detector can determine whether the plate heat exchanger is clean. The filter plate can be used to perform graded filtration according to the size of the solid impurities and retain the solid impurities on the filter net. The slag outlet is used to discharge solid impurities. The solid impurities on the filter plate can be discharged by gravity to avoid clogging of the filter plate and affect the filtering effect.

[0018] In summary, the present application not only eliminates the need to dismantle the heat exchanger when cleaning the heat exchanger, but can also actively detect whether the heat exchanger needs to be cleaned, making the cleaning fast, energy-saving and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the present application, the following is a brief introduction to the drawings required for use in the implementation cases. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0020] Figure 1 This is a schematic diagram of the overall appearance structure proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the overall side view structure proposed by the utility model;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the cleaning mechanism proposed by the utility model;

[0023] Figure 4 It is a schematic diagram of the overall cross-sectional structure proposed by the utility model;

[0024] Figure 5 This is a schematic diagram of the internal structure of the cleaning mechanism proposed by the utility model.

[0025] In the figure: 1. plate heat exchanger; 11. equipment box; 2. cleaning mechanism; 21. pipeline assembly; 211. liquid inlet tee; 212. liquid outlet tee; 213. liquid outlet branch; 22. cleaning assembly; 221. water pump; 222. liquid storage tank; 23. detection assembly; 231. pressure detection valve; 232. solid content detector; 24. filter assembly; 241. filter plate; 242. slag outlet; 3. control assembly; 31. display screen; 32. control button; 4. support assembly; 41. telescopic support column; 42. pipeline adjustment plate. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings.

[0027] See also Figure 1-5 A plate heat exchanger cleaning device includes a plate heat exchanger 1 and a cleaning mechanism 2. The plate heat exchanger 1 can be used to heat or cool a fluid. Specifically, an equipment box 11 is installed on the outside of the plate heat exchanger 1, and the cleaning mechanism 2 is arranged on the inside of the equipment box 11. The equipment box 11 is used to store and protect the cleaning mechanism 2, so as to prevent the cleaning mechanism 2 from being damaged or contaminated by the outside.

[0028] The cleaning mechanism 2 includes a pipe assembly 21 arranged on the outside of the equipment box 11, which is used to connect the plate heat exchanger 1 and the cleaning assembly 22, so as to realize the entry and exit of the cleaning liquid. The cleaning assembly 22 is installed on the inside of the equipment box 11 to provide and recover the cleaning liquid. The detection assembly 23 is installed on the outside of the pipe assembly 21 to monitor the state inside the plate heat exchanger 1. A filter assembly 24 is arranged on one side of the cleaning assembly 22 to filter and recover the cleaning liquid.

[0029] In the utility model, the pipeline component 21 includes a liquid inlet tee 211 arranged at the top of the equipment box 11, one end of which is connected to the cleaning component 22, and the other end is divided into two branches, which are respectively connected to the plate heat exchanger 1 and the exchange pipe. The cleaning liquid can be transported to the plate heat exchanger 1 to improve the cleaning efficiency. The bottom end of the equipment box 11 is provided with a liquid outlet tee 212, which can discharge the cleaning liquid and dirt in the plate heat exchanger 1 at the same time to avoid secondary pollution. The top of the liquid outlet tee 212 is provided with a liquid outlet branch 213, which is used to discharge the cleaning liquid in the liquid outlet tee 212 into the filter component 24, and detect the solid content to provide feedback information for the cleaning process.

[0030] In the utility model, the cleaning component 22 includes a water pump 221 installed on the inner side of the equipment box 11, which is used to increase the pressure of the cleaning liquid. The cleaning liquid can be drawn out from the liquid storage tank 222 and then transported to the plate heat exchanger 1 through the pipeline component 21. The flow and pressure of the water pump 221 can be adjusted according to the feedback information of the detection component 23 to achieve the best cleaning effect. The outer side of the water pump 221 is connected to the liquid storage tank 222 through a pipeline. The container for storing the cleaning liquid can hold a certain amount of cleaning liquid for multiple cleaning uses. The cleaning liquid in the liquid storage tank 222 can be water or other liquids with added cleaning agents, which have certain corrosiveness and cleaning ability and can effectively remove dirt in the plate heat exchanger 1.

[0031] In the utility model, the detection component 23 includes a pressure detection valve 231 installed on the outside of the liquid inlet three-way pipe 211, which is used to detect the pressure in the plate heat exchanger 1 and can measure the pressure of the liquid in the plate heat exchanger 1. The detection result of the pressure detection valve 231 can be used to determine whether the plate heat exchanger 1 needs to be cleaned. A solid content detector 232 is installed on the outside of the liquid outlet branch pipe 213. The device is used to detect the solid content of the cleaning liquid. It can measure the number and size of solid particles in the cleaning liquid and reflect the cleanliness of the cleaning liquid. The detection result of the solid content detector 232 can be used to determine whether the plate heat exchanger 1 is clean.

[0032] In the utility model, the filter assembly 24 includes a filter plate 241 arranged on one side of the liquid storage tank 222, which is used to filter the cleaning liquid. It is composed of multiple layers of filter screens with different apertures. It can perform graded filtration according to the size of solid impurities, and retain the solid impurities on the filter screen, allowing the cleaning liquid to pass through to achieve the purpose of filtration. A slag outlet 242 is provided on the other side of the filter plate 241 to discharge solid impurities. It is located on one side of the filter plate 241, and the solid impurities on the filter plate 241 can be discharged by gravity or other means to avoid clogging of the filter plate 241 and affecting the filtering effect.

[0033] In some embodiments, a control component 3 is provided on one side of the equipment box 11, and the control component 3 includes a display screen 31 embedded in one side of the equipment box 11, and a control button 32 is provided below the display screen 31. The display screen 31 can display the detection results of the detection component 23, such as the pressure and solid content of the cleaning liquid, so that the user can understand the state of the cleaning liquid and the cleaning effect. The control button 32 can be input by key or touch, and can control the switch of the cleaning mechanism 2, start or end the cleaning process, and can adjust the output parameters of the water pump 221 according to the feedback information of the detection component 23 or the needs of the user to achieve the best cleaning effect.

[0034] In some embodiments, the bottom end of the equipment box 11 is fixedly connected to a support assembly 4, and the support assembly 4 includes a telescopic support column 41 fixed to the bottom end of the equipment box 11. A pipeline adjustment plate 42 is provided at the bottom end of the liquid inlet tee pipe 211. The telescopic support column 41 can adjust the height of the equipment box 11 to facilitate the user to install it on the plate heat exchanger 1. The pipeline adjustment plate 42 can be adjusted according to the inlet and outlet positions of the plate heat exchanger 1 to align the pipeline assembly 21 with the inlet and outlet of the plate heat exchanger 1, which is convenient for the cleaning liquid to enter and exit and avoid bending and damage of the pipeline.

[0035] It can be seen from the above technical solution that when in use, first adjust the equipment box 11 to a suitable position of the plate heat exchanger 1 through the telescopic support column 41 and fix it, then adjust the height of the pipeline adjustment plate 42, so that the liquid inlet tee pipe 211 and the liquid outlet tee pipe 212 are connected to the plate heat exchanger 1 through the flange, then adjust the trigger value of the pressure detection valve 231 and the solid content detector 232 through the control button 32, and then add cleaning agent to the liquid storage tank 222, and start cleaning when the pressure detection valve 231 detects abnormal pressure. , start the valve to prevent the cleaning liquid from backflowing, and the water pump 221 will let the cleaning liquid in the liquid storage tank 222 enter the plate heat exchanger 1 through the liquid inlet tee pipe 211 for cleaning. After cleaning, it will flow from the liquid outlet branch pipe 213 on the liquid outlet tee pipe 212 to the filter plate 241. The filter plate 241 will separate the cleaned liquid into solid and liquid, and the waste residue will be discharged from the residue outlet 242. The remaining liquid will flow back to the liquid storage tank 222 for continuous recycling until the solid content detector 232 detects that the solid content is low and stops cleaning, thus completing the cleaning of the plate heat exchanger.

[0036] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the application disclosed herein. The present application is intended to cover any variations, uses or adaptations of the present application, which follow the general principles of the present application and include common knowledge or customary techniques in the art that are not disclosed in the present application. The specification and examples are intended to be exemplary only, and the true scope of the present application is indicated by the claims.

[0037] It should be understood that the present application is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The above-described embodiments of the present application do not constitute a limitation on the scope of protection of the present application.

Claims

1. A plate heat exchanger cleaning device, comprising a plate heat exchanger (1) and a cleaning mechanism (2), characterized in that: An equipment box (11) is installed on the outside of the plate heat exchanger (1), and a cleaning mechanism (2) is provided on the inside of the equipment box (11); The cleaning mechanism (2) comprises a pipe assembly (21) arranged outside the equipment box (11), a cleaning assembly (22) is installed inside the equipment box (11), a detection assembly (23) is installed outside the pipe assembly (21), and a filter assembly (24) is arranged on one side of the cleaning assembly (22).

2. A plate heat exchanger cleaning device according to claim 1, characterized in that: The pipeline assembly (21) comprises a liquid inlet tee pipe (211) arranged at the top end of the equipment box (11), a liquid outlet tee pipe (212) is arranged at the bottom end of the equipment box (11), and a liquid outlet branch pipe (213) is arranged at the top end of the liquid outlet tee pipe (212).

3. A plate heat exchanger cleaning device according to claim 1, characterized in that: The cleaning assembly (22) comprises a water pump (221) installed inside the equipment box (11), and the outside of the water pump (221) is connected to a liquid storage tank (222) via a pipeline.

4. A plate heat exchanger cleaning device according to claim 2, characterized in that: The detection assembly (23) comprises a pressure detection valve (231) installed on the outside of the liquid inlet three-way pipe (211), and a solid content detector (232) is installed on the outside of the liquid outlet branch pipe (213).

5. A plate heat exchanger cleaning device according to claim 1, characterized in that: The filter assembly (24) comprises a filter plate (241) arranged on one side of the liquid storage tank (222), and a slag outlet (242) is arranged on the other side of the filter plate (241).

6. A plate heat exchanger cleaning device according to claim 1, characterized in that: A control component (3) is arranged on one side of the device box (11), and the control component (3) comprises a display screen (31) embedded in one side of the device box (11), and a control button (32) is arranged below the display screen (31).

7. A plate heat exchanger cleaning device according to claim 2, characterized in that: The bottom end of the equipment box (11) is fixedly connected to a support assembly (4), the support assembly (4) comprising a telescopic support column (41) fixed to the bottom end of the equipment box (11), and the bottom end of the liquid inlet three-way pipe (211) is provided with a pipeline adjustment plate (42).

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