Filtering device of graphite heat exchanger

Abstract

The invention relates to the technical field of graphite heat exchangers, and particularly discloses a graphite heat exchanger filtering device which comprises a heat exchanger assembly, elliptical heads are fixedly connected to the two sides of the heat exchanger assembly, and a connecting pipeline is fixedly connected to the side, away from the heat exchanger assembly, of each elliptical head. A positioning flange is fixedly connected to the side, away from the oval end socket, of the outer side of the connecting pipeline, a heat dissipation filtering assembly is fixedly connected to the top of the heat exchanger assembly, and a height-adjustable positioning support is installed at the bottom of the heat exchanger assembly. The heat exchanger assembly comprises a first heat dissipation cylinder; liquid passes through the second arc-shaped pipeline, the second pipeline, the U-shaped pipeline and the third arc-shaped pipeline and then is injected into the inner side of the filter cylinder through the third pipeline, impurities in a cooling medium are filtered through the filter screen, abrasion and corrosion of the impurities to the graphite heat exchanger are reduced, the heat exchange efficiency is improved, and it is ensured that the fluid is clean; heat conduction performance of the heat exchanger is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of graphite heat exchangers, more particularly to a graphite heat exchanger filtering device. BACKGROUND

[0002] A graphite heat exchanger is a high-efficiency heat exchange device that uses the excellent thermal conductivity and corrosion resistance of graphite material to achieve heat exchange between different fluids.

[0003] The filtering device of a graphite heat exchanger is a key component that ensures the efficient and stable operation of the graphite heat exchanger, effectively removes impurities in the fluid, prevents the heat exchanger from being blocked and corroded, and prolongs the service life of the equipment.

[0004] The filtering device of a graphite heat exchanger has the following functions: impurity filtration, which removes particulate matter, suspended matter, and other impurities in the fluid to prevent the heat exchange tubes from being blocked; protection of the heat exchanger, which reduces the wear and corrosion of the graphite heat exchanger caused by impurities and lowers maintenance costs; and improvement of heat exchange efficiency, which ensures clean fluid and enhances the heat transfer performance of the heat exchanger.

[0005] The existing graphite heat exchanger filtering device has some deficiencies during use, as follows: the existing graphite heat exchanger filtering device directs the condensing medium in the graphite heat exchanger out, filters it, and then re-injects it to reduce the wear and corrosion of the graphite heat exchanger caused by impurities. However, the existing device discharges the cooling medium inside the graphite heat exchanger at a specified time during use, filters it, and then re-injects it into the graphite heat exchanger. However, the existing graphite heat exchanger filtering device cannot filter the cooling medium in real time during use, and the existing graphite heat exchanger filtering device cannot achieve automatic cleaning, which is inconvenient to use. SUMMARY

[0006] In order to overcome the above-mentioned defects of the prior art, the present application provides a graphite heat exchanger filtering device to solve the problems in the background art.

[0007] The present application provides the following technical solution: a graphite heat exchanger filtering device, comprising a heat exchanger assembly, two sides of the heat exchanger assembly are fixedly connected with elliptical heads, the side of the elliptical head away from the heat exchanger assembly is fixedly connected with a connecting pipeline, the outer side of the connecting pipeline away from the elliptical head is fixedly connected with a positioning flange, the top of the heat exchanger assembly is fixedly connected with a heat dissipation and filtration assembly, and the bottom of the heat exchanger assembly is installed with a height-adjustable positioning bracket.

[0008] Further, the heat exchanger assembly comprises a first heat dissipation cylinder, the outer side of the first heat dissipation cylinder is fixedly connected with a sealing ring plate, the inner side of the sealing ring plate is fixedly connected with a second heat dissipation cylinder, the top of the first heat dissipation cylinder is provided with a hexagonal positioning groove, the bottom of the first heat dissipation cylinder is fixedly connected with a first L-shaped pipeline, the end of the first L-shaped pipeline away from the first heat dissipation cylinder is fixedly connected with a first arc-shaped pipeline, the side surface of the first heat dissipation cylinder and the second heat dissipation cylinder is provided with a positioning circular hole, the inner side of the positioning circular hole is fixedly connected with a heat transfer pipe, and the side of the first arc-shaped pipeline away from the first L-shaped pipeline is fixedly connected with a second L-shaped pipeline.

[0009] Further, the heat dissipation and filtration assembly comprises a second arc-shaped pipeline, the top of the second arc-shaped pipeline is fixedly connected with a circulating pump, the top of the circulating pump is fixedly connected with a first pipeline, the end of the second arc-shaped pipeline away from the circulating pump is fixedly connected with a second pipeline, the side of the second pipeline away from the second arc-shaped pipeline is fixedly connected with a U-shaped pipeline, the top of the first heat dissipation cylinder is fixedly connected with a filtration assembly, and the top of the filtration assembly is fixedly connected with a third arc-shaped pipeline.

[0010] Further, the filtration assembly comprises a filtration cylinder body, the top of the filtration cylinder body is fixedly connected with a third pipeline, the inner side of the filtration cylinder body is provided with a hexagonal lifting ring plate, the bottom of the inner side of the hexagonal lifting ring plate is fixedly connected with a filter screen, one side of the filtration cylinder body is fixedly connected with a blowdown pipe, and the other side of the filtration cylinder body is fixedly connected with a water injection pipe.

[0011] Further, the bottom of the filtration cylinder body is fixedly connected with a hexagonal positioning ring plate, the top of the hexagonal positioning ring plate is fixedly connected with a hexagonal sealing plate, the bottom of the hexagonal sealing plate is fixedly connected with a servo motor, the output shaft of the servo motor is fixedly connected with a positioning disc, the top of the positioning disc is fixedly connected with a cleaning brush, the top of the hexagonal positioning ring plate is provided with a positioning groove, the bottom of the inner side of the positioning groove is fixedly connected with a positioning spring, one side of the hexagonal lifting ring plate is fixedly connected with a lifting blowdown plate, and the lifting blowdown plate and one side of the hexagonal lifting ring plate are provided with a blowdown hole.

[0012] Further, the first heat dissipation cylinder is fixedly connected with the sealing ring plate, sealing ring plates are arranged at the connection position of the first heat dissipation cylinder and the sealing ring plate, and at the two adjacent connection positions of the second heat dissipation cylinder, the connection position of the first heat dissipation cylinder and the second heat dissipation cylinder and the two adjacent connection positions of the second heat dissipation cylinder are located at the middle part of the sealing ring plate, the size of the hexagonal positioning groove is matched with the size of the filter assembly, the gap between the diameter of the positioning circular hole and the diameter of the heat transfer pipe is matched, the first L-shaped pipeline, the first arc-shaped pipeline and the second L-shaped pipeline are respectively connected with adjacent first heat dissipation cylinders and second heat dissipation cylinders and two adjacent second heat dissipation cylinders, the bottom of the first heat dissipation cylinder is provided with a drain hole, the diameter of the drain hole at the bottom of the first heat dissipation cylinder is matched with the diameter of the outer side of the first L-shaped pipeline, the top and the bottom of the second heat dissipation cylinder are provided with positioning holes, the diameter of the positioning hole of the second heat dissipation cylinder is matched with the diameter of the first L-shaped pipeline, and the diameters of the first L-shaped pipeline, the first arc-shaped pipeline and the second L-shaped pipeline are the same.

[0013] Further, the second pipeline and the U-shaped pipeline are spliced to form a wave-shaped pipeline, one end of the wave-shaped pipeline formed by splicing the second pipeline and the U-shaped pipeline is fixedly connected with the second arc-shaped pipeline, the other end of the wave-shaped pipeline formed by splicing the second pipeline and the U-shaped pipeline is fixedly connected with the third arc-shaped pipeline, the third arc-shaped pipeline is fixedly connected with the third pipeline, and the first pipeline is fixedly connected with the second heat dissipation cylinder located on the other side of the heat exchanger assembly.

[0014] Further, the gap between the size of the outer side of the hexagonal lifting ring plate and the size of the inner side of the filter cylinder body is matched, the diameter of the blowdown hole is the same as the diameter of the inner side of the blowdown pipe, the bottom of the water injection pipe is connected with the first heat dissipation cylinder, the ratio of the width of the positioning groove to the diameter of the positioning spring is 5:6, the side of the filter cylinder body close to the lifting blowdown plate is provided with a lifting notch, and the gap between the cross-sectional size of the lifting notch of the lifting blowdown plate and the cross-sectional size of the lifting blowdown plate is matched.

[0015] Technical effects and advantages of the present application:

[0016] 1. The application is connected with a tee joint at the sewage pipe during installation, the branch pipe of the tee joint is located at the top, electromagnetic valves are arranged at the other two interfaces of the tee joint, the equipment inclination angle is adjusted according to actual processing requirements, the connecting pipes on both sides of the heat exchanger assembly are connected with the positioning flange during work, the medium needing to be processed and the discharged processing medium are processed, the heat exchange medium passes through the first heat dissipation cylinder and all the second heat dissipation cylinders through the positioning circular hole, so that the temperature of the medium passing through the equipment is effectively reduced, and the cooling medium in the equipment flows through by the circulation pump, and the medium enters the first L-shaped pipe, the first arc-shaped pipe and then the second L-shaped pipe through the first heat dissipation cylinder, and then is injected into the second heat dissipation cylinder adjacent to the first heat dissipation cylinder, and then is injected into another second heat dissipation cylinder through the first L-shaped pipe, the first arc-shaped pipe and the second L-shaped pipe at the bottom of the second heat dissipation cylinder, and then the medium needing to be processed is injected from the side far away from the first heat dissipation cylinder and is discharged from the side close to the first heat dissipation cylinder, so that the temperature in the equipment increases from left to right in turn, ensuring gradual heat dissipation of the medium needing to be processed, and a heat insulation layer is arranged at the connection between the first heat dissipation cylinder and the second heat dissipation cylinder and the adjacent connection of the second heat dissipation cylinder, avoiding heat transfer, so that the cooling liquid in the equipment is not heated at the same time when the processing liquid is replaced, the equipment realizes multi-stage cooling, and the cooling efficiency is ensured.

[0017] 2. The application is that the liquid passes through the second arc-shaped pipe, the second pipe, the U-shaped pipe and the third arc-shaped pipe, and then is injected into the inside of the filter cylinder body through the third pipe, and then the impurities in the cooling medium are filtered through the filter screen, reducing the abrasion and corrosion of the graphite heat exchanger by impurities, improving the heat exchange efficiency, ensuring the fluid to be clean, and improving the heat conduction performance of the heat exchanger.

[0018] 3. The application is that long-time filtering causes the filter screen to be blocked, and the delivery power of the circulation pump is the same, so that the pressure received by the hexagonal lifting ring plate increases, and then the positioning spring is compressed, the bottom of the hexagonal lifting ring plate gradually approaches the positioning disc as the filter screen blocking gradually increases, the hexagonal lifting ring plate will gradually block the water injection pipe in the process of the hexagonal lifting ring plate approaching the positioning disc, the water injection pipe is completely blocked when the hexagonal lifting ring plate contacts the cleaning brush, and the sewage pipe and the sewage hole overlap at this time, then the positioning disc is rotated by the servo motor to clean the filter screen by the cleaning brush, then the impurities and part of the cooling medium at the filter screen are discharged after the cleaning is completed by opening the valve of the parallel branch pipe of the tee joint, then the circulation pump stops working at this time, so that the pressure at the top of the hexagonal lifting ring plate decreases, and the hexagonal lifting ring plate returns to the original position under the action of the positioning spring, then the same volume of cooling medium is supplemented to the equipment through the top branch pipe of the tee joint, the graphite heat exchanger automatically discharges impurities, and the filter screen can be automatically cleaned, so that the equipment is more intelligent and is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure of the present application;

[0020] Figure 2 is a schematic diagram of the overall back structure of the present application;

[0021] Figure 3 is a schematic diagram of the overall cross-sectional structure of the present application;

[0022] Figure 4 is a schematic diagram of the cross-sectional structure of the heat exchanger assembly of the present application;

[0023] Figure 5 is a schematic diagram of the enlarged structure at A of the present application; Figure 4

[0024] Figure 6 is a schematic diagram of the heat dissipation and filtration assembly structure of the present application;

[0025] Figure 7 is a schematic diagram of the cross-sectional structure of the filtration assembly of the present application;

[0026] Figure 8 is a schematic diagram of the cross-sectional structure of the filtration assembly of the present application.

[0027] The reference signs are: 1, heat exchanger assembly; 101, first heat dissipation cylinder; 102, sealing ring plate; 103, second heat dissipation cylinder; 104, hexagonal positioning groove; 105, first L-shaped pipeline; 106, first arc-shaped pipeline; 107, positioning hole; 108, heat transfer pipe; 109, second L-shaped pipeline; 2, elliptical head; 3, connecting pipeline; 4, positioning flange; 5, heat dissipation and filtration assembly; 501, second arc-shaped pipeline; 502, first pipeline; 503, circulating pump; 504, second pipeline; 505, U-shaped pipeline; 506, filtration assembly; 5061, filtration cylinder body; 5062, third pipeline; 5063, hexagonal positioning ring plate; 5064, hexagonal sealing plate; 5065, servo motor; 5066, positioning disc; 5067, cleaning brush; 5068, positioning spring; 5069, hexagonal lifting ring plate; 50610, filter screen; 50611, blowdown pipe; 50612, water injection pipe; 50613, positioning groove; 50614, blowdown hole; 50615, lifting blowdown plate; 507, third arc-shaped pipeline. DETAILED DESCRIPTION

[0028] ​The technical solutions in the present application will be described clearly and completely in combination with the drawings in the present application. In addition, the forms of the structures described in the following embodiments are only examples, and the filtering device of the graphite heat exchanger involved in the present application is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application.

[0029] With reference to Figures 1 to 8 The present application provides a filtering device of a graphite heat exchanger, which comprises a heat exchanger assembly 1, both sides of the heat exchanger assembly 1 are fixedly connected with an elliptical head 2, the side of the elliptical head 2 away from the heat exchanger assembly 1 is fixedly connected with a connecting pipeline 3, the outer side of the connecting pipeline 3 away from the elliptical head 2 is fixedly connected with a positioning flange 4, the top of the heat exchanger assembly 1 is fixedly connected with a heat dissipation and filtration assembly 5, and the bottom of the heat exchanger assembly 1 is installed with a height-adjustable positioning support.

[0030] In a preferred embodiment, the heat exchanger assembly 1 includes a first heat dissipation cylinder 101, a sealing ring plate 102 fixedly connected to the outer side of the first heat dissipation cylinder 101, a second heat dissipation cylinder 103 fixedly connected to the inner side of the sealing ring plate 102, a hexagonal positioning groove 104 formed at the top of the first heat dissipation cylinder 101, a first L-shaped pipe 105 fixedly connected to the bottom of the first heat dissipation cylinder 101, a first arc-shaped pipe 106 fixedly connected to the end of the first L-shaped pipe 105 away from the first heat dissipation cylinder 101, and positioning holes formed on the sides of the first heat dissipation cylinder 101 and the second heat dissipation cylinder 103. 107. A heat transfer pipe 108 is fixedly connected to the inner side of the positioning hole 107. A second L-shaped pipe 109 is fixedly connected to the side of the first arc-shaped pipe 106 away from the first L-shaped pipe 105. During installation, a tee is connected at the drain pipe 50611, with the branch pipe of the tee located at the top. Solenoid valves are installed at the other two interfaces of the tee. The tilt angle of the equipment is adjusted according to the actual processing requirements. During operation, the connecting pipes 3 on both sides of the heat exchanger assembly 1 are connected to the positioning flange 4 to the medium to be processed and the discharge processing medium. The heat exchange medium passes through the positioning hole 107. The orifice 107, passing through the first heat sink 101 and all the second heat sinks 103, effectively reduces the temperature of the medium passing through the equipment. The circulating pump 503 operates, allowing the cooling medium to circulate within the equipment. The medium passes through the first heat sink 101 into the first L-shaped pipe 105 and the first arc-shaped pipe 106, then through the second L-shaped pipe 109 into the adjacent second heat sink 103. Finally, it flows through the first L-shaped pipe 105, the first arc-shaped pipe 106, and the second L-shaped pipe 109 at the bottom of the second heat sink 103 into another... A second heat sink 103 is provided. The medium to be processed is injected from the side away from the first heat sink 101 and discharged from the side close to the first heat sink 101, so that the temperature inside the equipment increases from left to right, ensuring gradual heat dissipation of the medium to be processed. In addition, a heat insulation layer is provided at the connection between the first heat sink 101 and the second heat sink 103 and at the adjacent connection of the second heat sink 103 to avoid heat transfer. This ensures that the cooling liquid inside the equipment will not be heated at the same time when the processing liquid is subjected to heat replacement, so that the equipment can achieve multi-stage cooling and ensure cooling efficiency.

[0031] In a preferred embodiment, the heat dissipation filter assembly 5 includes a second arc-shaped pipe 501, a circulation pump 503 fixedly connected to the top of the second arc-shaped pipe 501, a first pipe 502 fixedly connected to the top of the circulation pump 503, a second pipe 504 fixedly connected to the end of the second arc-shaped pipe 501 away from the circulation pump 503, a U-shaped pipe 505 fixedly connected to the side of the second pipe 504 away from the second arc-shaped pipe 501, a filter assembly 506 fixedly connected to the top of the first heat dissipation cylinder 101, and a third arc-shaped pipe 507 fixedly connected to the top of the filter assembly 506.

[0032] In a preferred implementation, the filtering assembly 506 comprises a filter cylinder 5061, the top of the filter cylinder 5061 is fixedly connected with a third pipe 5062, the inner side of the filter cylinder 5061 is provided with a hexagonal lifting ring plate 5069, the bottom of the inner side of the hexagonal lifting ring plate 5069 is fixedly connected with a filter screen 50610, one side of the filter cylinder 5061 is fixedly connected with a blowdown pipe 50611, and the other side of the filter cylinder 5061 is fixedly connected with a water injection pipe 50612; the liquid passes through the second arc-shaped pipe 501, the second pipe 504, the U-shaped pipe 505 and the third arc-shaped pipe 507, and then is injected into the inner side of the filter cylinder 5061 through the third pipe 5062, and then passes through the filter screen 50610 to filter the impurities in the cooling medium, reduce the abrasion and corrosion of the graphite heat exchanger caused by the impurities, improve the heat exchange efficiency, ensure the cleanliness of the fluid, and improve the heat conduction performance of the heat exchanger.

[0033] In a preferred implementation, the bottom of the filter cartridge body 5061 is fixedly connected with a hexagonal positioning ring plate 5063, the top of the hexagonal positioning ring plate 5063 is fixedly connected with a hexagonal sealing plate 5064, the bottom of the hexagonal sealing plate 5064 is fixedly connected with a servo motor 5065, the output shaft of the servo motor 5065 is fixedly connected with a positioning disc 5066, the top of the positioning disc 5066 is fixedly connected with a cleaning brush 5067, the top of the hexagonal positioning ring plate 5063 is provided with a positioning groove 50613, the bottom of the inner side of the positioning groove 50613 is fixedly connected with a positioning spring 5068, one side of a hexagonal lifting ring plate 5069 is fixedly connected with a lifting and dredging plate 50615, and the lifting and dredging plate 50615 and one side of the hexagonal lifting ring plate 5069 are provided with a dredging hole 50614; after long-time filtration causes the filter screen 50610 to be blocked, and the delivery power of the circulating pump 503 is the same, the pressure on the hexagonal lifting ring plate 5069 increases, then the positioning spring 5068 is compressed, as the blockage of the filter screen 50610 gradually increases, the bottom of the hexagonal lifting ring plate 5069 gradually approaches the positioning disc 5066, in the process that the hexagonal lifting ring plate 5069 approaches the positioning disc 5066, the hexagonal lifting ring plate 5069 will gradually block the water injection pipe 50612, the water injection pipe 50612 is completely blocked when the hexagonal lifting ring plate 5069 contacts the cleaning brush 5067, and at this time, the dredging pipe 50611 overlaps with the dredging hole 50614, then the servo motor 5065 works to drive the positioning disc 5066 to rotate, and then the cleaning brush 5067 cleans the filter screen 50610, then after cleaning, the valve of the parallel shunt pipe connected with the tee 5011 is opened to discharge the impurities at the filter screen 50610 and part of the cooling medium, then the circulating pump 503 stops working at this time, so that the pressure on the top of the hexagonal lifting ring plate 5069 decreases, and under the action of the positioning spring 5068, the hexagonal lifting ring plate 5069 returns to the original position, then the same volume of cooling medium is supplemented to the equipment through the top shunt pipe of the tee, the graphite heat exchanger automatically discharges impurities, and the filter screen 50610 can be automatically cleaned, so that the equipment is more intelligent and is convenient to use.

[0034] In a preferred embodiment, the first heat dissipation cylinder 101 is fixedly connected with the sealing ring plate 102, the connection between the first heat dissipation cylinder 101 and the sealing ring plate 102 and the two adjacent connections between the second heat dissipation cylinder 103 are all provided with the sealing ring plate 102, the connection between the first heat dissipation cylinder 101 and the second heat dissipation cylinder 103 and the two adjacent connections between the second heat dissipation cylinder 103 are located in the middle of the sealing ring plate 102, the size of the hexagonal positioning groove 104 is matched with the size of the filter assembly 506, the gap between the diameter of the positioning circular hole 107 and the diameter of the heat transfer pipe 108 is matched, the first L-shaped pipe 105, the first arc-shaped pipe 106 and the second L-shaped pipe 109 are respectively connected with the adjacent first heat dissipation cylinder 101 and the second heat dissipation cylinder 103 and the two adjacent second heat dissipation cylinders 103, the bottom of the first heat dissipation cylinder 101 is provided with a drainage hole, the diameter of the drainage hole at the bottom of the first heat dissipation cylinder 101 is matched with the diameter of the outside of the first L-shaped pipe 105, the top and the bottom of the second heat dissipation cylinder 103 are both provided with a positioning hole, the diameter of the positioning hole of the second heat dissipation cylinder 103 is matched with the diameter of the first L-shaped pipe 105, and the diameters of the first L-shaped pipe 105, the first arc-shaped pipe 106 and the second L-shaped pipe 109 are the same.

[0035] In a preferred embodiment, the second pipe 504 and the U-shaped pipe 505 are spliced to form a wave-shaped pipe, one end of the wave-shaped pipe formed by splicing the second pipe 504 and the U-shaped pipe 505 is fixedly connected with the second arc-shaped pipe 501, the other end of the wave-shaped pipe formed by splicing the second pipe 504 and the U-shaped pipe 505 is fixedly connected with the third arc-shaped pipe 507, the third arc-shaped pipe 507 is fixedly connected with the third pipe 5062, and the first pipe 502 is fixedly connected with the second heat dissipation cylinder 103 located on the other side of the heat exchanger assembly 1.

[0036] In a preferred embodiment, the gap between the size of the outer side of the hexagonal lifting ring plate 5069 and the size of the inner side of the filter cylinder body 5061 is matched, the diameter of the blowdown hole 50614 is the same as the diameter of the inner side of the blowdown pipe 50611, the bottom of the water injection pipe 50612 is connected with the first heat dissipation cylinder 101, the ratio of the width of the positioning groove 50613 to the diameter of the positioning spring 5068 is five to six, the inner side of the filter cylinder body 5061 is provided with a lifting gap close to one side of the lifting blowdown plate 50615, and the gap between the cross-sectional size of the lifting gap of the lifting blowdown plate 50615 and the cross-sectional size of the lifting blowdown plate 50615 is matched.

[0037] The working principle of the present application is that: when installing, a tee joint is connected at the blow-off pipe 50611, the branch pipe of the tee joint is located at the top, electromagnetic valves are arranged at the other two interfaces of the tee joint, the inclination angle of the equipment is adjusted according to actual processing requirements, when connecting the connecting pipes 3 on both sides of the heat exchanger assembly 1 with the positioning flanges 4 during work, the medium needing to be processed and the discharged processing medium are connected, the heat exchange medium passes through the first heat dissipation cylinder 101 and all the second heat dissipation cylinders 103 through the positioning circular hole 107, so that the temperature of the medium passing through the equipment is effectively reduced, and the cooling medium inside the equipment circulates through the circulating pump 503, and the medium enters the first L-shaped pipe 105, the first arc-shaped pipe 106 and then the second L-shaped pipe 109 through the first heat dissipation cylinder 101, and then is injected into the second heat dissipation cylinder 103 adjacent to the first heat dissipation cylinder 101, and then is injected into another second heat dissipation cylinder 103 through the first L-shaped pipe 105 and the first arc-shaped pipe 106 at the bottom of the second heat dissipation cylinder 103, and then the medium needing to be processed is injected from the side far away from the first heat dissipation cylinder 101 and is discharged from the side close to the first heat dissipation cylinder 101, so that the temperature inside the equipment increases from left to right, which guarantees gradual heat dissipation of the medium needing to be processed, and a heat insulation layer is arranged at the connection between the first heat dissipation cylinder 101 and the second heat dissipation cylinder 103 and the adjacent connection of the second heat dissipation cylinder 103, so as to avoid heat transfer, so that the cooling liquid inside the equipment is not heated at the same time when the processing liquid is replaced, the equipment realizes multi-stage cooling, and the cooling efficiency is guaranteed;

[0038] The liquid passes through the second arc-shaped pipe 501, the second pipe 504, the U-shaped pipe 505 and the third arc-shaped pipe 507, and then is injected into the inside of the filter cylinder body 5061 through the third pipe 5062, and then the impurities in the cooling medium are filtered through the filter screen 50610, so as to reduce the abrasion and corrosion of the graphite heat exchanger caused by the impurities, improve the heat exchange efficiency, ensure the cleanliness of the fluid and improve the heat conduction performance of the heat exchanger;

[0039] When the long-time filtration causes the filter screen 50610 to be blocked, and the delivery power of the circulating pump 503 is the same, the pressure on the hexagonal lifting ring plate 5069 is increased, and then the positioning spring 5068 is compressed. When the blocking of the filter screen 50610 gradually increases, the bottom of the hexagonal lifting ring plate 5069 gradually approaches the positioning disc 5066. In the process that the hexagonal lifting ring plate 5069 approaches the positioning disc 5066, the hexagonal lifting ring plate 5069 will gradually block the water injection pipe 50612. When the hexagonal lifting ring plate 5069 contacts the cleaning brush 5067, the water injection pipe 50612 is completely blocked, and at this time, the blowdown pipe 50611 overlaps with the blowdown hole 50614. Then the positioning disc 5066 is driven to rotate through the work of the servo motor 5065, and then the cleaning brush 5067 is used to clean the filter screen 50610. Then after the cleaning is completed, the valve of the parallel shunt pipe connected with the tee joint is opened, and the impurities at the filter screen 50610 and part of the cooling medium are discharged. Then the circulating pump 503 stops working, so that the pressure on the top of the hexagonal lifting ring plate 5069 is reduced, and the hexagonal lifting ring plate 5069 returns to the original position under the action of the positioning spring 5068. Then the same volume of cooling medium is supplied to the equipment through the tee joint top shunt pipe, and the automatic discharge of impurities of the graphite heat exchanger is realized. The automatic cleaning of the filter screen 50610 is realized, so that the equipment is more intelligent, and is convenient to use.

[0040] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0041] Secondly: the structure involved in the drawings of the disclosed embodiments is only involved in the structure involved in the disclosed embodiments, and other structures can be referred to the usual design, and in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other;

[0042] Finally: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A filtering device for a graphite heat exchanger, comprising a heat exchanger assembly (1), characterized in that: Elliptical heads (2) are fixedly connected to both sides of the heat exchanger assembly (1). A connecting pipe (3) is fixedly connected to the side of the elliptical head (2) away from the heat exchanger assembly (1). A positioning flange (4) is fixedly connected to the side of the connecting pipe (3) away from the elliptical head (2). A heat dissipation filter assembly (5) is fixedly connected to the top of the heat exchanger assembly (1). A height-adjustable positioning bracket is installed at the bottom of the heat exchanger assembly (1).

2. The filtering device of a graphite heat exchanger according to claim 1, characterized in that: The heat exchanger assembly (1) includes a first heat exchange cylinder (101), a sealing ring plate (102) is fixedly connected to the outside of the first heat exchange cylinder (101), a second heat exchange cylinder (103) is fixedly connected to the inside of the sealing ring plate (102), a hexagonal positioning groove (104) is provided on the top of the first heat exchange cylinder (101), a first L-shaped pipe (105) is fixedly connected to the bottom of the first heat exchange cylinder (101), a first arc-shaped pipe (106) is fixedly connected to the end of the first L-shaped pipe (105) away from the first heat exchange cylinder (101), positioning round holes (107) are provided on the sides of the first heat exchange cylinder (101) and the second heat exchange cylinder (103), a heat transfer pipe (108) is fixedly connected to the inside of the positioning round hole (107), and a second L-shaped pipe (109) is fixedly connected to the side of the first arc-shaped pipe (106) away from the first L-shaped pipe (105).

3. The filtering device of a graphite heat exchanger according to claim 2, characterized in that: The heat dissipation and filtration assembly (5) includes a second arc-shaped pipe (501), a circulation pump (503) is fixedly connected to the top of the second arc-shaped pipe (501), a first pipe (502) is fixedly connected to the top of the circulation pump (503), a second pipe (504) is fixedly connected to the end of the second arc-shaped pipe (501) away from the circulation pump (503), a U-shaped pipe (505) is fixedly connected to the side of the second pipe (504) away from the second arc-shaped pipe (501), a filter assembly (506) is fixedly connected to the top of the first heat dissipation cylinder (101), and a third arc-shaped pipe (507) is fixedly connected to the top of the filter assembly (506).

4. The filtering device of a graphite heat exchanger according to claim 3, characterized in that: The filter assembly (506) includes a filter cylinder (5061), a third pipe (5062) is fixedly connected to the top of the filter cylinder (5061), a hexagonal lifting ring plate (5069) is provided on the inner side of the filter cylinder (5061), a filter screen (50610) is fixedly connected to the bottom of the inner side of the hexagonal lifting ring plate (5069), a drain pipe (50611) is fixedly connected to one side of the filter cylinder (5061), and a water injection pipe (50612) is fixedly connected to the other side of the filter cylinder (5061).

5. The filter device for graphite heat exchangers according to claim 4, characterized in that: The bottom of the filter cartridge body (5061) is fixedly connected with a hexagonal positioning ring plate (5063), the top of the hexagonal positioning ring plate (5063) is fixedly connected with a hexagonal sealing plate (5064), the bottom of the hexagonal sealing plate (5064) is fixedly connected with a servo motor (5065), the output shaft of the servo motor (5065) is fixedly connected with a positioning disc (5066), the top of the positioning disc (5066) is fixedly connected with a cleaning brush (5067), the top of the hexagonal positioning ring plate (5063) is provided with a positioning groove (50613), the bottom of the inner side of the positioning groove (50613) is fixedly connected with a positioning spring (5068), one side of the hexagonal lifting ring plate (5069) is fixedly connected with a lifting pollution discharge plate (50615), and the lifting pollution discharge plate (50615) and one side of the hexagonal lifting ring plate (5069) are provided with a pollution discharge hole (50614).

6. The filtering device of a graphite heat exchanger according to claim 3, characterized in that: The first heat dissipation cylinder (101) is fixedly connected with the sealing ring plate (102), sealing ring plates (102) are arranged at the connection position of the first heat dissipation cylinder (101) and the sealing ring plate (102), the connection positions of the second heat dissipation cylinder (103), and the sealing ring plates (102) are arranged at the middle of the sealing ring plate (102), the size of the hexagonal positioning groove (104) is matched with the size of the filter assembly (506), the gap between the diameter of the positioning circular hole (107) and the diameter of the heat transfer pipe (108) is matched, the first L-shaped pipeline (105), the first arc-shaped pipeline (106), and the second L-shaped pipeline (109) are respectively connected with adjacent first heat dissipation cylinders (101) and second heat dissipation cylinders (103) and adjacent second heat dissipation cylinders (103), the bottom of the first heat dissipation cylinder (101) is provided with a drainage hole, the diameter of the drainage hole at the bottom of the first heat dissipation cylinder (101) is matched with the diameter of the outer side of the first L-shaped pipeline (105), the top and the bottom of the second heat dissipation cylinder (103) are provided with positioning holes, the diameter of the positioning hole of the second heat dissipation cylinder (103) is matched with the diameter of the first L-shaped pipeline (105), and the diameters of the first L-shaped pipeline (105), the first arc-shaped pipeline (106), and the second L-shaped pipeline (109) are the same.

7. The filtering device of a graphite heat exchanger according to claim 4, characterized in that: The second pipeline (504) and the U-shaped pipeline (505) are spliced to form a wave-shaped pipeline, one end of the wave-shaped pipeline formed by splicing the second pipeline (504) and the U-shaped pipeline (505) is fixedly connected with the second arc-shaped pipeline (501), the other end of the wave-shaped pipeline formed by splicing the second pipeline (504) and the U-shaped pipeline (505) is fixedly connected with the third arc-shaped pipeline (507), the third arc-shaped pipeline (507) is fixedly connected with the third pipeline (5062), and the first pipeline (502) is fixedly connected with the second heat dissipation cylinder (103) located on the other side of the heat exchanger assembly (1).

8. The filtering device of a graphite heat exchanger according to claim 5, characterized in that: The gap between the size of the outer side of the hexagonal lifting ring plate (5069) and the size of the inner side of the filter cylinder (5061) is matched, the diameter of the blowdown hole (50614) is the same as the diameter of the blowdown pipe (50611), the bottom of the water injection pipe (50612) is connected with the first heat dissipation cylinder (101), the width of the positioning groove (50613) is five to six compared with the diameter of the positioning spring (5068), the inner side of the filter cylinder (5061) is provided with a lifting gap on one side close to the lifting blowdown plate (50615), and the cross-sectional size of the lifting blowdown plate (50615) is matched with the cross-sectional size of the lifting blowdown plate (50615).

Images