A grate cooler crusher roller body cooling and heat dissipation structure

Abstract

The utility model discloses a kind of grate cooler crusher roller body cooling heat dissipation structure, it is related to the technical field of crusher equipment, including shell, the cavity of the shell one end is fixedly connected with driving system component, the cavity of the shell both ends is rotatably connected with crushing roller body, the pipe wall of both ends crushing roller body is fixedly connected with driving system component, the both ends side wall of the shell is fixedly connected with connection storehouse, the cavity of one of the connection storehouse both ends is fixedly connected with water inlet rotating sealing joint device device.The shell provided in the utility model is based on increasing filtration to reduce impurities to accelerate scale formation, while facilitating the cleaning treatment of the internal inside of roller body, so as to solve the problem that the water cooling structure of the existing grate cooler crusher roller body is affected by the cooling effect due to the lack of filtration, and the impurities enter the cooling channel to accelerate scale formation, and the cleaning treatment of the internal inside of roller body is not facilitated.

Description

Technical Field

[0001] This utility model relates to the field of crusher equipment technology, specifically to a cooling and heat dissipation structure for the crusher rollers of a grate cooler. Background Technology

[0002] The cooling and heat dissipation structure of the roller body of the cold crusher is a device that uses channels set inside or outside the roller body to circulate cooling media such as water and air to remove the heat generated by crushing high-temperature materials and maintain its normal operating temperature.

[0003] A search revealed the following publication (announcement) number: CN111589522A, entitled: "A Crushing Roller Cooling System and Cooling Method," comprising a crushing roll assembly, a roll bearing housing assembly, a roll cooling water pipeline assembly, and a bearing housing cooling water pipeline assembly. The roll bearing housing assembly consists of two units, located at both ends of the crushing roll assembly and connected to the main shaft of the crushing roll assembly, serving to support the crushing roll assembly. The roll cooling water pipeline assembly is partially located within the crushing roll assembly for cooling the crushing roll assembly, and the bearing housing cooling water pipeline assembly is partially located within the roll bearing housing assembly for cooling the roll bearing housing assembly.

[0004] The above technical solution has the following shortcomings;

[0005] In practical use, the aforementioned design lacks a filtration device for cooling water. Industrial water or tap water often contains numerous impurities, such as silt, rust, and other suspended solids. During the cooling cycle, these impurities enter the roller cooling channel with the water, easily adhering to the inner wall of the pipes. They also interact with dissolved minerals in the water, greatly accelerating scale formation. Furthermore, impurities that cannot be filtered out over time will also generate scale inside the cooling channel. Once a large amount of scale accumulates in the cooling channel, cleaning becomes extremely difficult. Conventional chemical cleaning methods, while capable of dissolving scale, require large quantities of chemicals, resulting in high costs, potential corrosion of the equipment, and environmental pollution if waste liquid is not properly disposed of. Utility Model Content

[0006] In view of the problems existing in the current grate cooler crusher roller cooling and heat dissipation structure, this utility model is proposed.

[0007] Therefore, the purpose of this utility model is to provide a cooling and heat dissipation structure for the roller body of a grate cooler crusher, which solves the problems of existing water-cooled structures for the roller body of grate coolers crusher crushers, which lack filtration, causing impurities to enter the cooling channel, accelerating scale formation and affecting the cooling effect, and making it inconvenient to clean the inside of the roller body.

[0008] To achieve the above objectives, this utility model provides the following technical solution:

[0009] A cooling and heat dissipation structure for the crusher rollers of a grate cooler includes a housing. A drive system assembly is fixedly connected to one end of the housing cavity, and crushing rollers are rotatably connected to both ends of the housing cavity. The pipe walls of the crushing rollers at both ends are fixedly connected to the drive system assembly. Connecting chambers are fixedly connected to the side walls at both ends of the housing. A water inlet rotary sealing joint device is fixedly connected to both ends of the cavity of one of the connecting chambers, and a water outlet rotary sealing joint device is fixedly connected to both ends of the cavity of the other connecting chamber. The ends of the crushing rollers at both ends are respectively fixedly connected to the corresponding water inlet rotary sealing joint device and the water outlet rotary sealing joint device.

[0010] One end of the water inlet rotary sealing joint device is fixedly connected to a water inlet flange via a filter mechanism. The bottom of the water outlet rotary sealing joint device is fixedly connected to a water outlet flange. The outer side wall of the water outlet rotary sealing joint device is fixedly connected to a backwash connection flange. The inner side wall of the water outlet rotary sealing joint device is fixedly connected to a descaling high-pressure spray pipe. The central pipe wall of the descaling high-pressure spray pipe is fixedly connected to a slow-flow spray plate. Both ends of the descaling high-pressure spray pipe are fixedly connected to cleaning spray rings.

[0011] Preferably, the filtration mechanism includes a threaded connecting section, a threaded connecting sleeve, a limiting groove, and a filter basket. One end of the threaded connecting section is threadedly connected to the threaded connecting sleeve, and one end of the threaded connecting section has a limiting groove that engages with the filter basket.

[0012] Preferably, both the inlet rotary sealing joint device and the outlet rotary sealing joint device at both ends include a sealing fixing seat, and a sealing rotating sleeve is rotatably connected to the other end of the sealing fixing seat, and the sealing fixing seat and the sealing rotating sleeve are rotatably connected.

[0013] Preferably, the descaling high-pressure spray pipe is a hollow tube with multiple water delivery holes on its side wall.

[0014] Preferably, each of the slow-flow spray plates has an arc-shaped front surface and a vertical back surface, and the arc-shaped surface has a plurality of first cleaning spray holes. Each of the cleaning spray rings is a hollow circular ring and has a plurality of second cleaning spray holes on its surface.

[0015] Furthermore, the filter basket includes an outer filter basket, an inner filter basket is threadedly connected to the inner side wall of the outer filter basket, a filter cloth interlayer is snap-fitted between the outer filter basket and the inner filter basket, and an activated carbon filling layer is provided in the cavity of the filter cloth interlayer.

[0016] Preferably, the cavity of the crushing roller is provided with a nano-ceramic thermally conductive coating, and the surfaces of the descaling high-pressure nozzle, the slow-flow spray plate, and the cleaning spray ring are all provided with a wear-resistant and corrosion-resistant nickel-based alloy coating.

[0017] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0018] 1. This utility model utilizes the outer and inner filter baskets of the filter mechanism to form a dual mechanical filtration system. Combined with the filter cloth interlayer and activated carbon filling layer, it can intercept impurities of different sizes and adsorb odors, improve the purity of cooling water, prevent impurities from entering the cooling channel and accelerating scale formation, and ensure stable cooling effect.

[0019] 2. In this utility model, after the backwashing connection flange is connected to the high-pressure water source, the water delivery hole of the descaling high-pressure spray pipe distributes the water flow to the slow-flow spray plate and the cleaning spray ring. The first cleaning spray hole washes the central area, and the second cleaning spray hole washes the corners at both ends of the roller body, realizing all-round descaling of the cooling channel and solving the problem of inconvenient internal cleaning of the roller body.

[0020] 3. This utility model utilizes a nano-ceramic thermally conductive coating inside the crushing roller cavity to accelerate heat transfer and improve heat dissipation efficiency. It also utilizes a wear-resistant and corrosion-resistant nickel-based alloy coating on the surface of cleaning components such as the descaling high-pressure spray pipe to enhance their wear resistance and corrosion resistance, extend their service life under high-pressure water flow and impurity scouring, and ensure long-term stable operation of the structure. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0023] Figure 2 This is a front sectional view of the present invention;

[0024] Figure 3 This is a top sectional view of the present invention;

[0025] Figure 4 This is a three-dimensional sectional view of the descaling high-pressure nozzle of this utility model;

[0026] Figure 5 This is a three-dimensional schematic diagram of the filtration mechanism of this utility model.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Casing; 2. Drive system components; 3. Crushing roller body; 4. Connecting chamber; 5. Inlet rotary sealing joint device; 6. Outlet rotary sealing joint device; 7. Inlet flange; 8. Outlet flange; 9. Backwashing connecting flange; 10. Descaling high-pressure spray pipe; 11. Slow-flow spray plate; 12. Cleaning spray ring; 13. Threaded connection section; 14. Threaded connection sleeve; 15. Limiting groove; 16. Filter basket; 17. Sealing fixing seat; 18. Sealing rotating sleeve; 19. Water conveying hole; 20. First cleaning spray hole; 21. Second cleaning spray hole; 22. Outer filter basket; 23. Inner filter basket; 24. Filter cloth interlayer; 25. Activated carbon filling layer. Detailed Implementation

[0029] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0030] This utility model discloses a cooling and heat dissipation structure for the roller body of a grate cooler crusher.

[0031] This utility model provides, for example Figure 1-5 The above describes a cooling and heat dissipation structure for the crusher rollers of a grate cooler. It includes a housing 1, a drive system component 2 fixedly connected to one end of the cavity of the housing 1, crushing rollers 3 rotatably connected to both ends of the cavity of the housing 1, the pipe walls of the crushing rollers 3 at both ends being fixedly connected to the drive system component 2, and connecting chambers 4 fixedly connected to the side walls at both ends of the housing 1. One connecting chamber 4 has a water inlet rotary sealing joint device 5 fixedly connected to both ends of its cavity, and the other connecting chamber 4 has a water outlet rotary sealing joint device 6 fixedly connected to both ends of its cavity. The two ends of the crushing rollers 3 at both ends are fixedly connected to the corresponding water inlet rotary sealing joint device 5 and water outlet rotary sealing joint device 6, respectively.

[0032] One end of the inlet rotary sealing joint device 5 is fixedly connected to an inlet flange 7 via a filter mechanism. The bottom of the outlet rotary sealing joint device 6 is fixedly connected to an outlet flange 8. The outer wall of the outlet rotary sealing joint device 6 is fixedly connected to a backwash connection flange 9. The inner wall of the outlet rotary sealing joint device 6 is fixedly connected to a descaling high-pressure spray pipe 10. The central pipe wall of the descaling high-pressure spray pipe 10 is fixedly connected to a slow-flow spray plate 11. Both ends of the descaling high-pressure spray pipe 10 are fixedly connected to cleaning spray rings 12. The housing 1 provides installation and protection space for the internal components. The drive system component 2 provides rotational power for the crushing roller 3. The inlet rotary sealing joint device 5 and the outlet rotary sealing joint device 6 ensure the rotation of the crushing roller 3 while achieving sealed inlet and outlet of cooling water. The connecting chamber 4 provides installation support for the sealing joint device, ensuring stable operation of the cooling system. The filter mechanism filters the incoming cooling water, preventing impurities from entering the cooling channel of the crushing roller 3. The inlet flange 7 and outlet flange 8 facilitate connection to external cooling water pipelines. The backwash connection flange 9 allows access to a high-pressure backwash water source. The inside of the crushing roller 3 is flushed and descaled through the descaling high-pressure spray pipe 10, the slow-flow spray plate 11, and the cleaning spray ring 12. At the same time, the slow-flow spray plate 11 reduces the water flow velocity, allowing the water source to stay inside briefly, improving heat exchange uniformity. This solves the problem that the existing grate cooler crusher roller water cooling structure lacks filtration, causing impurities to enter the cooling channel, accelerating scale formation and affecting the cooling effect, and making it inconvenient to clean the inside of the roller.

[0033] To effectively filter impurities in the cooling water and prevent blockage of the cooling channels, such as Figure 1 , 2 As shown in Figures 3 and 5, the filtration mechanism includes a threaded connecting section 13, a threaded connecting sleeve 14, a limiting groove 15, and a filter basket 16. One end of the threaded connecting section 13 is threadedly connected to the threaded connecting sleeve 14, and the other end of the threaded connecting section 13 has a limiting groove 15, which engages with the filter basket 16. The filter basket 16 can intercept solid impurities in the cooling water and prevent them from entering the cooling channel of the crushing roller 3. The threaded connection between the threaded connecting section 13 and the threaded connecting sleeve 14, along with the positioning of the filter basket 16 by the limiting groove 15, facilitates the disassembly and replacement of the filter basket 16, ensuring long-term stable filtration performance.

[0034] To achieve sealed delivery of cooling water during the rotation of the crusher rollers, such as Figure 2 and 3As shown, both the inlet and outlet rotary sealing joint devices 5 and 6 include a sealing fixing seat 17. The other end of the sealing fixing seat 17 is rotatably connected to a sealing rotating sleeve 18. The sealing fixing seat 17 and the sealing rotating sleeve 18 are rotatably connected. The sealing fixing seat 17 is fixed to the connecting chamber 4. The sealing rotating sleeve 18 rotates synchronously with the crushing roller body 3. The rotary sealing structure between the two (such as a mechanical seal or O-ring seal) can prevent cooling water leakage and ensure that the cooling medium flows continuously and stably during the rotation of the crushing roller body 3.

[0035] To ensure that backwash water is evenly delivered to the slow-flow spray plate and cleaning spray ring, such as Figure 2-4 As shown, the descaling high-pressure spray pipe 10 is a hollow tube with multiple water delivery holes 19 on its side wall. The descaling high-pressure spray pipe 10 with its hollow tube body can deliver backwash water. The water delivery holes 19 distribute the water flow to the slow-flow spray plate 11 and the cleaning spray ring 12, ensuring that each cleaning component can obtain sufficient rinsing water and improving the descaling effect.

[0036] In order to thoroughly flush and remove scale from the cooling channels of the crusher roller, such as Figure 2-4 As shown, each slow-flow spray plate 11 has an arc-shaped front and a vertical back, and the arc-shaped surface is provided with multiple first cleaning spray holes 20. Each cleaning spray ring 12 is a hollow ring and has multiple second cleaning spray holes 21 on its surface. By using the arc-shaped surface of the slow-flow spray plate 11 to fit the inner wall curvature of the crushing roller 3, the first cleaning spray holes 20 can rinse the central area, and the second cleaning spray holes 21 of the cleaning spray ring 12 can rinse the corner areas at both ends of the roller. The two work together to achieve all-round descaling of the cooling channel and avoid scale residue affecting heat dissipation.

[0037] To improve filtration efficiency, it intercepts fine impurities and absorbs odors, such as Figure 2 , 3 As shown in Figure 5, the filter basket 16 includes an outer filter basket 22, an inner filter basket 23 is threadedly connected to the inner side wall of the outer filter basket 22, and a filter cloth interlayer 24 is snapped between the outer filter basket 22 and the inner filter basket 23. An activated carbon filling layer 25 is provided in the cavity of the filter cloth interlayer 24. The outer filter basket 22 and the inner filter basket 23 form a dual mechanical filtration to intercept impurities of different sizes. The filter cloth interlayer 24 further filters fine particles, and the activated carbon filling layer 25 adsorbs odors and some organic impurities in the water. The multiple filtration improves the purity of the cooling water and reduces scale formation.

[0038] To enhance the thermal conductivity of the crushing roller and the durability of cleaning components, such as Figure 2-4As shown, the cavity of the crushing roller 3 is provided with a nano-ceramic thermally conductive coating, and the surfaces of the descaling high-pressure nozzle 10, the slow-flow spray plate 11 and the cleaning spray ring 12 are all provided with a wear-resistant and corrosion-resistant nickel-based alloy coating. The nano-ceramic thermally conductive coating has excellent thermal conductivity, which can accelerate the transfer of heat from the roller to the cooling water and improve the heat dissipation efficiency. The wear-resistant and corrosion-resistant nickel-based alloy coating improves the wear resistance and corrosion resistance of the cleaning components and extends their service life under high-pressure water flow and impurity scouring.

[0039] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A cooling and heat dissipation structure for the roller body of a grate cooler crusher, comprising a housing (1), characterized in that, A drive system assembly (2) is fixedly connected to one end of the cavity of the housing (1), and a crushing roller (3) is rotatably connected to both ends of the cavity of the housing (1). The pipe walls of the crushing rollers (3) at both ends are fixedly connected to the drive system assembly (2). A connecting chamber (4) is fixedly connected to the side walls at both ends of the housing (1). A water inlet rotary sealing joint device (5) is fixedly connected to both ends of the cavity of one of the connecting chambers (4), and a water outlet rotary sealing joint device (6) is fixedly connected to both ends of the cavity of the other connecting chamber (4). The two ends of the crushing rollers (3) at both ends are fixedly connected to the corresponding water inlet rotary sealing joint device (5) and water outlet rotary sealing joint device (6), respectively. One end of the water inlet rotary sealing joint device (5) is fixedly connected to the water inlet flange (7) through the filter mechanism. The bottom of the water outlet rotary sealing joint device (6) is fixedly connected to the water outlet flange (8). The outer side wall of the water outlet rotary sealing joint device (6) is fixedly connected to the backwash connection flange (9). The inner side wall of the water outlet rotary sealing joint device (6) is fixedly connected to the descaling high-pressure spray pipe (10). The central pipe wall of the descaling high-pressure spray pipe (10) is fixedly connected to the slow-flow spray plate (11). Both ends of the descaling high-pressure spray pipe (10) are fixedly connected to the cleaning spray ring (12).

2. The cooling and heat dissipation structure for the crusher rollers of a grate cooler according to claim 1, characterized in that, The filtering mechanism includes a threaded connecting section (13), a threaded connecting sleeve (14), a limiting groove (15), and a filter basket (16). One end of the threaded connecting section (13) is threadedly connected to the threaded connecting sleeve (14), and the other end of the threaded connecting section (13) has a limiting groove (15) and is engaged with the filter basket (16).

3. The cooling and heat dissipation structure for the crusher rollers of a grate cooler according to claim 1, characterized in that, Both the inlet rotary sealing joint device (5) and the outlet rotary sealing joint device (6) at both ends include a sealing fixing seat (17). The other end of the sealing fixing seat (17) is rotatably connected to a sealing rotating sleeve (18). The sealing fixing seat (17) and the sealing rotating sleeve (18) are rotatably connected.

4. The cooling and heat dissipation structure for the crusher rollers of a grate cooler according to claim 1, characterized in that, The descaling high-pressure spray pipe (10) is a hollow tube with multiple water delivery holes (19) on its side wall.

5. The cooling and heat dissipation structure for the crusher rollers of a grate cooler according to claim 1, characterized in that, Each of the slow-flow spray plates (11) has an arc-shaped front surface and a vertical back surface, and the arc-shaped surface is provided with a plurality of first cleaning spray holes (20). Each of the cleaning spray rings (12) is a hollow ring body, and the surface is provided with a plurality of second cleaning spray holes (21).

6. The cooling and heat dissipation structure for the crusher roller body of a grate cooler according to claim 2, characterized in that, The filter basket (16) includes an outer filter basket (22), and an inner filter basket (23) is threadedly connected to the inner side wall of the outer filter basket (22). A filter cloth interlayer (24) is snapped between the outer filter basket (22) and the inner filter basket (23), and an activated carbon filling layer (25) is provided in the cavity of the filter cloth interlayer (24).

7. The cooling and heat dissipation structure for the crusher roller body of a grate cooler according to claim 1, characterized in that, The cavity of the crushing roller (3) is provided with a nano-ceramic thermally conductive coating, and the surfaces of the descaling high-pressure nozzle (10), the slow-flow spray plate (11) and the cleaning spray ring (12) are all provided with a wear-resistant and corrosion-resistant nickel-based alloy coating.

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