Cleaning equipment for heat exchange plate and plate type filter screen

Abstract

The utility model relates to the technical field of cleaning equipment, in particular to cleaning equipment for a heat exchange plate and a plate-type filter screen, which comprises a box body unit, a main frame of a rectangular frame type structure, a movable wall plate arranged on the short side of the main frame, and a fixed wall plate arranged on the long side of the main frame. A heat exchange plate upper guide rail and a heat exchange plate lower guide rail are arranged in the middles of the short edges of the top face and the bottom face of the main frame respectively, a movable cross beam is fixed between the heat exchange plate upper guide rail and the heat exchange plate lower guide rail, moving guide rails are arranged on the outer sides of the two long edges of the top face of the main frame, and a moving mechanism is fixed to the moving guide rails in a sliding mode. The problems that in the prior art, the cleaning effect is poor, the cleaning efficiency is low, and heat exchange plates may be damaged during cleaning due to the fact that chemical cleaning or high-pressure water washing and manual brush rinsing are adopted for the plate heat exchanger are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning equipment, and particularly relates to a cleaning device for heat exchange plates and plate filters. Background Art

[0002] A heat exchanger, also known as a heat exchanger or heat exchange equipment, is a device used to transfer heat from a hot fluid to a cold fluid to meet specific process requirements. It is an industrial application of convective heat transfer and heat conduction. Heat exchangers have a wide range of applications in multiple fields, including but not limited to power, chemical industry, food manufacturing, air conditioning, and refrigerators, etc.

[0003] The working principle of a heat exchanger is mainly based on heat conduction and convective heat transfer. In a heat exchanger, the hot fluid and the cold fluid flow through different flow channels respectively, and the two flow crosswise inside the device. When the hot fluid passes through the heat conduction surface of the heat exchanger, its heat is transferred to the cold fluid by conduction. In addition, due to the temperature difference between the fluids, a convection phenomenon will also occur, further improving the heat transfer efficiency.

[0004] There are many types of heat exchangers. Classified by the operation process, they are divided into the wall type, the mixing type, and the regenerative type (or recuperative type); classified by the surface compactness, they are divided into the compact type and the non-compact type; classified by the structure, they are divided into the tubular type (coiled tube type, double-pipe type, shell-and-tube type, etc.), the plate type (plate heat exchanger, spiral plate heat exchanger, plate fin heat exchanger, etc.), and other types (scraped surface heat exchanger, rotary disk heat exchanger, air cooler, etc.).

[0005] Among them, the plate heat exchanger is a representative one in heat exchangers. The plate heat exchanger is a new type of high-efficiency heat exchanger composed of a series of metal sheets with a certain corrugated shape. Thin rectangular channels are formed between the plates, and heat exchange is carried out through the plates. The plate heat exchanger has the characteristics of high heat transfer efficiency, small heat loss, compact and light structure, small floor area, convenient installation and cleaning, wide application, long service life, etc. The plate heat exchanger is widely used in various fields. In the field of chemical synthesis, the plate heat exchanger is commonly used in polyester plants and is used to cool the water generated by the esterification reaction, the ethylene glycol (EG) collected and recycled by the device, and the cooling water of the pelletizer. It is worth mentioning that these cooled media all contain particulate or flocculent organic matter.

[0006] These organic matters are easily bonded and adsorbed on the surface of the heat exchange plates. The calcium and magnesium bicarbonates contained in the circulating water on the other side of the heat exchange plates will form precipitates when heated and adsorb on the surface of the heat exchange plates to form scale. Therefore, after long-term use of the plate heat exchanger, problems such as fouling and blockage will occur, resulting in an increase in the pressure difference across the heat exchanger, a decrease in the flow rate, and a decrease in the heat transfer efficiency.

[0007] Therefore, it is necessary to regularly clean the plate heat exchanger. In the prior art, there are usually two cleaning methods for heat exchange plates. One is chemical cleaning, which has a fast cleaning speed, but it is impossible to visually judge the cleaning effect. If chemical reagents remain and enter the production materials, it will affect the product quality and cause great economic losses. The other is high-pressure water gun flushing plus manual cleaning. First, remove the heat exchange plates of the plate heat exchanger, and use high-pressure water flushing + manual brush scrubbing. This cleaning method has low efficiency, poor cleaning effect on organic fouling, and the negative effect of erosion on the heat exchange plates when the flushing water pressure is too high. It is particularly difficult to clean large-sized plates. Utility Model Content

[0008] The utility model provides a cleaning device for heat exchange plates and plate filters, which solves the problems of poor cleaning effect, low cleaning efficiency and possible damage to heat exchange plates caused by chemical cleaning or high-pressure water flushing plus manual brush scrubbing of plate heat exchangers in the prior art.

[0009] In order to achieve the above object, the utility model adopts the following technical solutions:

[0010] It includes a box body unit, which is composed of a main frame in the form of a rectangular frame. Movable wallboards are provided on the short sides of the main frame, and fixed wallboards are provided on the long sides. Heat exchange plate upper guide rails and heat exchange plate lower guide rails are respectively provided in the middle of the short sides of the top surface and the bottom surface of the main frame. An active cross beam is fixed between the heat exchange plate upper guide rail and the heat exchange plate lower guide rail. Moving guide rails are provided on the outer sides of the two long sides of the top surface of the main frame, and a moving mechanism is slidably fixed on the moving guide rails.

[0011] Preferably, the heat exchange plate upper guide rail and the heat exchange plate lower guide rail are correspondingly fixed inside the main frame. A bottom plate is provided on the bottom surface of the main frame, and the heat exchange plate lower guide rail is fixed on the bottom plate. The heat exchange plate upper guide rail and the heat exchange plate lower guide rail are parallel to each other, and are parallel and equal in length to the long side of the main frame.

[0012] Preferably, the moving mechanism includes a main installation platform, which is horizontally installed on the top surface of the main frame. Moving rollers with legs are installed at the short sides of both ends of the main installation platform. The moving rollers are slidably installed on the moving guide rails in a matching manner, and a motor installation platform is also provided on one side of the main installation platform.

[0013] Preferably, an active platform is provided below the main installation platform. The active platform is located inside the main frame. The active platform is rectangular and is fixedly connected to the main installation platform by 4 columns. Roller brush unit installation holes are correspondingly provided on the active platform and the main installation platform, and a roller brush unit is fixed in the roller brush unit installation holes.

[0014] Preferably, a movable chain is further provided on the main installation platform, and travel switches are provided at both ends of the movable chain extending to the two ends of the main installation platform, and a drain pipe is also provided on one side of the base plate.

[0015] Preferably, it further includes a transmission mechanism, which includes a reduction motor installed on a motor mounting platform, a double-row drive sprocket installed on the output shaft of the reduction motor, and the bottom sprocket of the double-row drive sprocket meshes with the moving chain for transmission.

[0016] Preferably, the main mounting platform is also installed with an upper bearing assembly 1 and an upper bearing assembly 2, and the base plate corresponding to the main mounting platform is provided with a lower bearing assembly 1 and a lower shaft seat assembly 2, the lower bearing assembly 1 is coaxial with the upper bearing assembly, and the lower shaft seat assembly 2 is coaxial with the upper bearing assembly 2.

[0017] Preferably, a double-row driven sprocket is provided on the rotating shaft of the upper bearing assembly one, and a single-row driven sprocket is provided on the rotating shaft of the upper bearing assembly two. A synchronous chain meshing transmission is adopted between the sprocket at one end of the double-row driven sprocket and the single-row driven sprocket, and the sprocket at the other end of the double-row driven sprocket is meshed with the double-row drive sprocket for transmission.

[0018] Preferably, the transmission mechanism further comprises a rigid coupling, which is mounted on the rotating shafts of the upper bearing assembly 1 and the upper bearing assembly 2 and the lower bearing assembly 1 and the lower shaft seat assembly 2.

[0019] Preferably, a roller brush unit is provided between the upper bearing assembly 1 and the corresponding lower bearing assembly 1, and between the upper bearing assembly 2 and the corresponding lower bearing assembly 2.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] The cleaning equipment for heat exchange plates and plate filters proposed in this embodiment has brought about significant beneficial effects through its unique design and innovative mechanism. First, the equipment significantly improves the cleaning efficiency and can complete the cleaning of a large number of heat exchange plates and plate filters in a short period of time, greatly shortening the production cycle and improving production efficiency. Secondly, the equipment adopts advanced cleaning technology, which can thoroughly remove dirt and impurities on the surface of the plates and filter screens, ensuring the cleaning quality and extending the service life of the equipment. In addition, the equipment also has the advantages of simple operation, high degree of automation, and stable operation, which reduces the need for manual operation, reduces labor intensity, and also improves work safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention.

[0023] Figure 2 For Figure 1 the schematic diagram of the A-A sectional view in

[0024] Figure 3 the front view schematic diagram of the box unit structure of an embodiment of the present utility model.

[0025] Figure 4 the top view schematic diagram of the box unit structure of an embodiment of the present utility model.

[0026] Figure 5 the side view schematic diagram of the box unit structure of an embodiment of the present utility model.

[0027] Figure 6 the front view schematic diagram of the moving mechanism structure of an embodiment of the present utility model.

[0028] Figure 7 the front view schematic diagram of the transmission mechanism structure of an embodiment of the present utility model.

[0029] In the figure: heat exchange plate 1, box unit 2, main frame 2-1, bottom plate 2-2, fixed wall panel 2-3, movable wall panel 2-4, upper guide rail 2-5 for heat exchange plate, lower guide rail 2-6 for heat exchange plate, movable cross beam 2-7, moving guide rail 2-8, moving chain 2-9, travel switch 2-10, drain pipe 2-11, moving mechanism 3, main installation platform 3-1, column 3-2, movable platform 3-3, motor installation platform 3-4, moving roller 3-5, transmission mechanism 4, reduction motor 4-1, double-row driving sprocket 4-2, double-row driven sprocket 4-3, single-row driven sprocket 4-4, driving chain 4-5, synchronous chain 4-6, upper bearing assembly one 4-7, upper bearing assembly two 4-8, lower bearing assembly one 4-9, lower bearing assembly two 4-10, rigid coupling 4-11, flushing unit 5, roller brush unit 6. Specific embodiments

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0031] Heat exchangers come in many types. Classified by the operation process, they can be divided into the wall-type, the mixing-type, and the regenerative type (or recuperative type). Classified by the surface compactness, they can be divided into the compact type and the non-compact type. Classified by the structure, they can be divided into the tubular type (coiled-tube type, double-pipe type, shell-and-tube type, etc.), the plate type (plate heat exchanger, spiral plate heat exchanger, plate-fin heat exchanger, etc.), and other types (scraped surface heat exchanger, rotating disk heat exchanger, air cooler, etc.).

[0032] Among them, the plate heat exchanger is a representative type in heat exchangers. The plate heat exchanger is a new type of high-efficiency heat exchanger composed of a series of metal sheets with a certain corrugated shape stacked together. Thin rectangular channels are formed between the plates, and heat exchange is carried out through the plates. The plate heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and lightweight structure, small floor area, convenient installation and cleaning, wide application, long service life, etc. The plate heat exchanger is widely used in various fields. In the field of chemical synthesis, the plate heat exchanger is commonly used in polyester plants and is used to cool the water generated by the esterification reaction, the ethylene glycol (EG) collected and recycled by the device, and the cooling water of the pelletizer. It is worth mentioning that these cooled media contain particulate or flocculent organic matter.

[0033] These organic matters are easily adhered and adsorbed on the surface of the heat exchange plates. The calcium and magnesium bicarbonates contained in the circulating water on the other side of the heat exchange plates will form precipitates when heated and adsorb on the surface of the heat exchange plates to form scale. Therefore, after long-term use of the plate heat exchanger, problems such as fouling and blockage will occur, resulting in an increase in the pressure difference across the heat exchanger, a decrease in the flow rate, and a decrease in the heat exchange efficiency.

[0034] Therefore, it is necessary to clean the plate heat exchanger regularly. In the prior art, there are usually two cleaning methods for the heat exchange plates. One is chemical cleaning. This method has a fast cleaning speed, but it cannot directly judge the cleaning effect. If chemical reagents remain and enter the production materials, it will affect the product quality and cause great economic losses. The other is high-pressure water gun flushing + manual cleaning. First, the heat exchange plates of the plate heat exchanger are removed, and high-pressure water flushing + manual brush scrubbing are used. This cleaning method has low efficiency, poor cleaning effect on organic fouling, and the negative effect of erosion on the heat exchange plates when the flushing water pressure is too high. It is especially difficult to clean large-sized plates. To solve the above problems, this embodiment is provided.

[0035] Refer to Figures 1 to 7 For this embodiment, Figure 1 is the front view schematic diagram of the overall structure of this embodiment, Figure 2 For Figure 1Schematic diagram of the A-A cross-section. In this embodiment, the present invention relates to a cleaning device for heat exchange plates and plate filters. The device mainly consists of a box unit 2, which includes a main frame 2-1. The main frame 2-1 adopts a rectangular frame structure. This design can provide stable support and sufficient space for the cleaning work of the heat exchange plates 1. On the short side of the main frame 2-1, there is a movable wall panel 2-4, which can be flexibly moved to facilitate the maintenance and cleaning of the device. On the long side, there is a fixed wall panel 2-3, which is fixed and can provide stable protection.

[0036] On the middle parts of the short sides of the top and bottom surfaces of the main frame 2-1, there are respectively a heat exchange plate upper guide rail 2-5 and a heat exchange plate lower guide rail 2-6. The function of these two guide rails is to guide the smooth movement of the heat exchange plates 1 in the device. A movable crossbeam 2-7 is fixed between the heat exchange plate upper guide rail 2-5 and the heat exchange plate lower guide rail 2-6. The function of this crossbeam 2-7 is to enhance the stability of the entire structure.

[0037] On the outer sides of the two long sides of the top surface of the main frame 2-1, there are moving guide rails 2-8. A moving mechanism 3 is slidably fixed on these guide rails 2-8. This moving mechanism 3 can be moved as needed to facilitate the cleaning work of the heat exchange plates 1.

[0038] The box unit 2 is the main structure of the device in this embodiment. The design of the entire device revolves around this main structure. This design can provide stable support and sufficient space for the cleaning work of the heat exchange plates 1, and is also convenient for the maintenance and cleaning of the device.

[0039] In this embodiment, the box unit 2 includes a main frame 2-1, a bottom plate 2-2, a fixed wall panel 2-3, a movable wall panel 2-4, an upper guide rail 2-5 for heat exchange plates, a lower guide rail 2-6 for heat exchange plates, a movable cross beam 2-7, a moving guide rail 2-8, a moving chain 2-9, a travel switch 2-10, and a drain pipe 2-11. The main frame 2-1 is welded by stainless steel channel steel. The bottom plate 2-2 is provided at the bottom of the main frame 2-1. The bottom plate 2-2 is higher than the ground by ≥100 mm. A drain pipe 2-11 is provided at the edge of the bottom plate 2-2. The fixed wall panel 2-3 is installed on the long beam side of the main frame 2-1. Two movable wall panels 2-4 are provided on each short beam side of the main frame 2-1. The two movable wall panels 2-4 are located on both sides of the connection line between the upper guide rail 2-5 for heat exchange plates and the lower guide rail 2-6 for heat exchange plates. A certain gap is left between the two movable wall panels 2-4. The heat exchange plate 1 can pass through the gap to enter and exit the upper guide rail 2-5 for heat exchange plates and the lower guide rail 2-6 for heat exchange plates. Both the fixed wall panel 2-3 and the movable wall panel 2-4 are made of plexiglass material, which is convenient for observing the cleaning condition of the heat exchange plate 1. In addition, the bottom plate 2-2 is movably installed at the bottom of the main frame 2-1. The bottom plate 2-2 can be moved up and down in a direction perpendicular to the bottom surface, and thus the height of the bottom plate from the ground can be controlled to be suitable for different usage occasions.

[0040] Refer to Figure 5 Fig. is a schematic side view of the structure of the box unit 2 in this embodiment. In the figure, the upper guide rail 2-5 for heat exchange plates and the lower guide rail 2-6 for heat exchange plates correspond to each other and are fixed inside the main frame 2-1. The bottom surface of the main frame 2-1 is designed with a bottom plate 2-2, and the lower guide rail 2-6 for heat exchange plates is fixed on the bottom plate 2-2. The upper guide rail 2-5 for heat exchange plates and the lower guide rail 2-6 for heat exchange plates are parallel to each other, parallel to the long side of the main frame 2-1, and have the same length. Such a design can ensure that the heat exchange plate 1 can move stably and also improve the heat exchange efficiency.

[0041] In this embodiment, on the bottom plate at the midpoints of the two short beams at the top of the main frame, there is provided an upper guide rail 2-5 for heat exchange plates. The upper guide rail 2-5 for heat exchange plates is located inside the main frame 2-1. The upper guide rail 2-5 for heat exchange plates is of the same length as the rectangular frame at the top of the main frame 2-1. Directly below the upper guide rail 2-5 for heat exchange plates, there is provided a lower guide rail 2-6 for heat exchange plates of the same length. At both ends of the lower guide rail 2-6 for heat exchange plates, there are provided horizontally placed movable cross beams 2-7. The lower guide rail 2-6 for heat exchange plates is connected to the movable cross beam 2-7 by screws. The movable cross beam 2-7 is connected to the columns of the main frame 2-1 by bolts. The height of the movable cross beam 2-7 from the ground is adjustable. The adjustability of the movable cross beam 2-7 enables the device in this embodiment to flexibly adjust the distance between the upper guide rail 2-5 and the lower guide rail 2-6 for heat exchange plates according to the size of different heat exchange plates 1. Therefore, it has the characteristic of a wide application range, enabling the device in this embodiment to flexibly adjust the distance between the upper guide rail 2-5 and the lower guide rail 2-6 for heat exchange plates according to the size of different heat exchange plates 1. Therefore, it has the characteristic of a wide application range.

[0042] Refer to Figure 3 and Figure 5 , on the main installation platform 3-1, a complete moving chain 2-9 system is also designed. A main installation platform 3-1 is slidably provided on the moving chain 2-9. The two ends of the moving chain 2-9 are cleverly extended to the two end heads of the main installation platform 3-1, and travel switches 2-10 are provided on these extended parts. The function of these travel switches 2-10 is to monitor the current position of the installation platform 3-1 and ensure that it always remains within a predetermined range during the entire working process.

[0043] When the main installation platform 3-1 moves to a specific position, the travel switch will quickly respond and trigger the corresponding mechanism, thereby ensuring the safe and stable operation of the entire installation platform 3-1.

[0044] In this embodiment, two moving guide rails 2-8 are arranged in parallel on the outer side of the long beam at the top of the main frame 2-1. The moving chain 2-9 is horizontally arranged on the long beam on one side of the top of the main frame 2-1. A certain safety distance is left between the moving chain 2-9 and the ends of the main frame at both ends. Travel switches 2-10 are symmetrically arranged at both ends of the moving chain 2-9 on the top of the main frame 2-1. The travel switch position 2-10 is inside the moving chain 2-9.

[0045] Refer to Figure 6This is a front view schematic diagram of the structure of the moving mechanism 3 in this embodiment. In the figure, the moving mechanism 3 mainly includes a main installation platform 3-1, which is horizontally installed on the top surface of the main frame 2-1. This main installation platform 3-1 is designed in the shape of a rectangular plate, and moving rollers 3-5 equipped with legs are installed on the shorter sides at both ends. These rollers 3-5 cooperate with the moving guide rail 2-8 and can smoothly slide on the guide rail 2-8. In addition, a motor installation platform 3-4 is specially provided on one side of the main installation platform 3-1 to facilitate the installation and maintenance of the motor. Below the main installation platform 3-1, a movable platform 3-3 is designed, and this platform 3-3 is located inside the main frame. This movable platform 3-3 is also rectangular and is connected and fixed to the main installation platform 3-1 by 4 columns. To meet different usage requirements, roller brush unit 6 installation holes are preset at corresponding positions on the movable platform 3-3 and the main installation platform 3-1, and the roller brush unit 6 is fixedly installed in these holes to complete the corresponding cleaning or processing work.

[0046] In this embodiment, the moving mechanism 3 includes a main installation platform 3-1, columns 3-2, a movable platform 3-3, a motor installation platform 3-4, and moving rollers 3-5. The main installation platform 3-1 is horizontally arranged on the top of the rectangular frame 2-1. The shorter sides at both ends of the main installation platform 3-1 are provided with the moving rollers 3-5 with legs. The moving rollers are located in the grooves of the moving guide rail 2-8. The main installation platform 3-1 is provided with the motor installation platform 3-4 at one end of the moving chain 2-9. The movable platform 3-3 is provided directly below the main installation platform 3-1. The movable platform 3-3 is located inside the rectangular frame 2-1. The movable platform 3-4 is connected and fixed to the main installation platform 3-1 by 4 columns. The movable platform 3-4 and the main installation platform 3-1 are symmetrically provided with roller brush unit 6 installation holes.

[0047] Refer to Figure 7This is a front view schematic diagram of the transmission mechanism structure 4 of this embodiment. In the figure, a transmission mechanism is involved, and this transmission mechanism includes a reduction motor 4-1. Specifically, the reduction motor 4-1 is installed on the motor mounting platform 3-4 to ensure its stable operation. On the output shaft of the reduction motor 4-1, a double-row drive sprocket 4-2 is installed to improve the transmission efficiency and stability. Particularly, the bottom sprocket of the double-row drive sprocket 4-2 meshes with the moving chain 2-9, thus realizing the transmission process. In addition, the design of this transmission mechanism 4 also takes into account the convenience of maintenance, enabling users to easily maintain and service the mechanism when needed. In this embodiment, the transmission mechanism includes a reduction motor 4-1, a double-row drive sprocket 4-2, a double-row driven sprocket 4-3, a single-row driven sprocket 4-4, a drive chain 4-5, a synchronous chain 4-6, an upper bearing assembly one 4-7, an upper bearing assembly two 4-8, a lower bearing assembly one 4-9, a lower bearing assembly two 4-10, and a rigid coupling 4-11. The reduction motor 4-1 is installed on the motor mounting platform 3-4. The double-row drive sprocket 4-2 is installed on the shaft of the reduction motor 4-1. The upper row sprocket of the double-row drive sprocket 4-2 drives the roller brush unit 6 to brush the heat exchange plate 1 through the drive chain 4-5. The lower row sprocket of the double-row drive sprocket 4-2 meshes and drives with the moving chain 2-9, driving the moving mechanism 3 to move horizontally back and forth. The lower row sprocket of the double-row drive sprocket 4-2 is an incomplete sprocket structure with only 1 tooth. When the reduction motor 4-1 rotates one week, the moving distance of the moving mechanism 3 is only one pitch of the moving chain, and the roller brush unit 6 stays at the same position for enough time, enhancing the brushing effect.

[0048] On the main mounting platform 3-1, the upper bearing assembly one 4-7 and the upper bearing assembly two 4-8 are also integrated in this key part, aiming to ensure the stability and smooth operation of the overall mechanism. At the same time, on the bottom plate matching the main mounting platform, a lower bearing assembly one 4-9 and a lower bearing seat assembly two 4-10 are provided.

[0049] The lower bearing assembly one 4-9 is designed coaxially with the upper bearing assembly one 4-7, while the lower bearing seat assembly two 4-10 is coaxially with the upper bearing assembly two 4-8. Such a design ensures the concentricity during the transmission process and improves the operation efficiency. On the rotating shaft of the upper bearing assembly one 4-7, a double-row driven sprocket 4-3 is installed, and on the rotating shaft of the upper bearing assembly two 4-8, a single-row driven sprocket 4-4 is installed. These two sprockets undertake different transmission tasks, but both ensure the stability and high efficiency of the entire transmission system.

[0050] It is worth mentioning that between one sprocket of the double-row driven sprocket 4-3 and the single-row driven sprocket 4-4, we adopt a synchronous chain 4-6 for meshing transmission. This design of the synchronous chain ensures the synchronism during the transmission process and effectively prevents problems such as chain slippage or misalignment. At the same time, the other sprocket of the double-row driven sprocket 4-3 meshes with the double-row driving sprocket 4-2 for transmission, further ensuring the stability and reliability of the entire transmission system.

[0051] In summary, the design of the main installation platform 3-1 and the upper bearing assembly and lower bearing assembly thereon fully considers the stability and operating efficiency of the mechanism. The design of the entire mechanism is rigorous, ensuring high efficiency and reliability during operation.

[0052] In this embodiment, the first upper bearing assembly 4-7 and the second upper bearing assembly 4-8 are installed on the main installation platform 3-1, the first lower bearing assembly 4-9 and the second lower bearing assembly 4-10 are installed on the movable platform 3-3, the first lower bearing assembly 4-9 is coaxial with the first upper bearing assembly 4-7, the second lower bearing assembly 4-10 is coaxial with the second upper bearing assembly 4-8, the rotating shaft of the first upper bearing assembly 4-7 is provided with the double-row driven sprocket 4-3, the rotating shaft of the second upper bearing assembly 4-8 is provided with the single-row driven sprocket 4-4, the double-row driven sprocket 4-3 and the single-row driven sprocket 4-4 have the same specifications, the double-row driven sprocket 4-3 and the single-row driven sprocket 4-4 are meshed and driven by the synchronous chain 4-6, the other sprocket of the double-row driven sprocket 4-3 is in chain meshing transmission with the double-row driving sprocket 4-2, the rigid coupling 4-11 is installed on the rotating shafts of the first upper bearing assembly 4-7, the second upper bearing assembly 4-8, the first lower bearing assembly 4-9 and the second lower bearing assembly 4-10, the roller brush unit 6 is connected to the upper bearing assembly and the lower bearing assembly as a whole through the rigid coupling 4-11, the double-row driven sprocket 4-3 and the single-row driven sprocket 4-4 drive the roller brush unit 6 to rotate circumferentially, the double-row driven sprocket 4-3 and the single-row driven sprocket 4-4 have the same rotational speed and the same rotation direction, the frictional forces on the heat exchange plate 1 by the roller brush unit 6 are equal in magnitude and opposite in direction, and the resultant force on the heat exchange plate is 0; the rotational speed of the roller brush unit 6 is limited within 120 revolutions per minute, and the relatively low speed causes less wear on the heat exchange plate 1. For the plates whose lengths exceed the lengths of the upper guide rail 2-5 and the lower guide rail 2-6 of the heat exchange plate, segmented cleaning can be achieved.

[0053] The beneficial effects produced by this embodiment are:

[0054] A cleaning device for heat exchange plates and plate filters proposed in this embodiment brings significant beneficial effects through its unique design and innovative mechanism. First of all, the device significantly improves the cleaning efficiency, can complete the cleaning of a large number of heat exchange plates and plate filters in a short time, greatly shortens the production cycle, and improves the production efficiency. Secondly, the device adopts advanced cleaning technology, can thoroughly remove the dirt and impurities on the surface of the plates and filters, ensures the cleaning quality, and extends the service life of the device. In addition, the device also has the advantages of simple operation, high automation degree, stable operation, etc., reduces the need for manual operation, reduces the labor intensity, and also improves the work safety.

[0055] The box unit of the device in this embodiment, as the main structure of this embodiment, the bottom plate and the movable cross beam are designed to be movable, so that the device in this embodiment has a wider scope of application and can clean heat exchange plates of different sizes. In addition, as the main transmission mechanism of the device in this embodiment, the transmission mechanism adopts two sets of bearing components with opposite rotation directions to fix the roller brush unit. During operation, the two sets of roller brush units rotate relatively, so as to achieve the effect of cleaning the heat exchange plates. In addition, due to the equal magnitude and opposite directions of the frictional forces of the two sets of roller brush units, the resultant force on the heat exchange plate is 0. When the roller brush unit works, the heat exchange plate is less worn and will not be damaged.

[0056] In addition to the above embodiments, within the scope disclosed in the claims and the specification of the present invention, the technical features or technical data of the present invention can be reselected and combined to form new embodiments, which should also be regarded as specific embodiments of the present invention and within the protection scope of the present invention.

Claims

1. A cleaning device for heat exchange plates and plate filters, characterized in that It includes a box unit, which is composed of a main frame in the form of a rectangular frame. An active wall panel is provided on the short side of the main frame, and a fixed wall panel is provided on the long side. Heat exchange plate upper guide rails and heat exchange plate lower guide rails are respectively provided in the middle of the short sides of the top surface and the bottom surface of the main frame. An active cross beam is fixed between the heat exchange plate upper guide rail and the heat exchange plate lower guide rail. Moving guide rails are provided on the outer sides of the two long sides of the top surface of the main frame, and a moving mechanism is slidably fixed on the moving guide rails.

2. The cleaning device for the heat exchange plate and the plate filter screen according to claim 1, characterized in that, The heat exchange plate upper guide rail and the heat exchange plate lower guide rail are correspondingly fixed inside the main frame. A bottom plate is provided on the bottom surface of the main frame, and the heat exchange plate lower guide rail is fixed on the bottom plate. The heat exchange plate upper guide rail and the heat exchange plate lower guide rail are parallel to each other, and are parallel and of the same length as the long side of the main frame.

3. The cleaning device for the heat exchange plate and the plate filter screen according to claim 2, characterized in that, The moving mechanism includes a main installation platform, which is horizontally installed on the top surface of the main frame. Moving rollers with legs are installed at the short sides of both ends of the main installation platform. The moving rollers are slidably installed on the moving guide rails in a matching manner, and a motor installation platform is also provided on one side of the main installation platform.

4. The cleaning device for the heat exchange plate and the plate filter screen according to claim 3, characterized in that, An active platform is provided below the main installation platform. The active platform is located inside the main frame. The active platform is rectangular and is fixedly connected to the main installation platform by 4 columns. Roller brush unit installation holes are correspondingly provided on the active platform and the main installation platform, and a roller brush unit is fixed in the roller brush unit installation holes.

5. The cleaning device for the heat exchange plate and the plate filter screen according to claim 3, characterized in that A moving chain is also provided on the main installation platform. Travel switches are provided at both ends of the moving chain extending to both ends of the main installation platform. A drain pipe is also provided on one side of the bottom plate.

6. The cleaning device for the heat exchange plate and the plate filter screen according to claim 5, characterized in that, It also includes a transmission mechanism, which includes a reduction motor. The reduction motor is installed on the motor installation platform. A double-row driving sprocket is installed on the output shaft of the reduction motor, and the bottom sprocket of the double-row driving sprocket meshes and drives with the moving chain.

7. The cleaning device for the heat exchange plate and the plate type filter screen according to claim 6, characterized in that, An upper bearing assembly one and an upper bearing assembly two are also installed on the main installation platform. A lower bearing assembly one and a lower shaft seat assembly two are provided on the bottom plate corresponding to the main installation platform. The lower bearing assembly one is coaxial with the upper bearing assembly one, and the lower shaft seat assembly two is coaxial with the upper bearing assembly two.

8. The cleaning device for the heat exchange plate and the plate filter screen according to claim 7, characterized in that, A double-row driven sprocket is provided on the rotating shaft of the upper bearing assembly one, and a single-row driven sprocket is provided on the rotating shaft of the upper bearing assembly two. One sprocket of the double-row driven sprocket meshes and drives with the single-row driven sprocket by a synchronous chain, and the other sprocket of the double-row driven sprocket meshes and drives with the double-row driving sprocket.

9. The cleaning device for the heat exchange plate and the plate filter screen according to claim 7, characterized in that, The transmission mechanism also includes a rigid coupling, which is installed on the rotating shafts of the upper bearing assembly one, the upper bearing assembly two, the lower bearing assembly one, and the lower shaft seat assembly two.

10. The cleaning device for the heat exchange plate and the plate filter screen according to claim 7 or 9, characterized in that, Roller brush units are provided between the upper bearing assembly one and the corresponding lower bearing assembly one and between the upper bearing assembly two and the corresponding lower bearing assembly two.

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