Water pipe filter for sintering mixers

Abstract

The application discloses a water adding pipeline filter of a sintering mixer, and belongs to the technical field of sintering mixer equipment. The filter is used for removing impurities in liquid through physical screening, so as to ensure smooth process and long-term stable operation of the equipment. The filter is connected with a water adding pipeline through pipeline flanges at two ends, a filter transverse pipe flange is vertically welded with a connecting pipeline, a filter cartridge is placed in the filter transverse pipe, filter holes are uniformly distributed on the circumference of the filter cartridge cylinder, a filter cartridge end cover is connected with the front end of the filter transverse pipe, the rear end of a blowdown pipe is welded with a blowdown hole of the filter cartridge end cover, and the front end of the blowdown pipe is connected with a blowdown valve through a flange. The filter has the beneficial effect of removing solid impurities in liquid, so as to protect downstream equipment from damage and ensure the cleanliness of process fluid.

Description

Technical Field

[0001] This utility model relates to a water supply pipeline filter for a sintering mixer that can discharge sewage online, belonging to the technical field of water supply pipeline equipment for sintering mixers. Background Technology

[0002] The sintering mixer is used to mix raw materials such as iron-containing materials and quicklime with water before sintering them into sintered ore. The amount of water added directly affects the quality and quantity of the sintered ore. To ensure the particle size of the mixed material, 12 nozzles are installed inside the mixer to spray water evenly onto the raw materials. The mixer uses wastewater, sewage, and recycled water, which saves water resources. However, this often leads to nozzle blockage in the mixer's water supply pipes. These blockages cannot be cleaned during normal production and can only be addressed during maintenance. The blocked nozzles reduce the amount of water supplied to the mixer, directly forcing the sintering machine to reduce production or require maintenance. Therefore, it is essential to filter the water in the mixer's water supply pipes to prevent nozzle blockage. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a water supply pipeline filter for a sintering mixer. This water supply pipeline filter can filter the water in the water supply pipeline of the mixer, prevent the nozzles of the water supply pipeline of the sintering mixer from becoming clogged, meet the water supply needs of the sintering mixer, and avoid the sintering machine being forced to reduce production or undergo maintenance due to the reduced water supply caused by nozzle clogging, thus ensuring the normal operation of production.

[0004] The technical solution to the above technical problem is:

[0005] A water supply pipeline filter for a sintering mixer includes a connecting pipe, a pipe flange, a filter horizontal pipe, a filter cartridge, a filter cartridge end cap, an end cap connecting flange, connecting bolts, and a drain pipe. Both ends of the connecting pipe are connected to the water supply pipeline via pipe flanges. The filter horizontal pipe is welded perpendicularly to the connecting pipe. The filter cartridge is cylindrical and placed inside the filter horizontal pipe. The rear end of the filter cartridge is connected to the connecting pipe. Filter holes are evenly distributed around the circumference of the cylindrical body of the filter cartridge. The front end of the filter cartridge is tightly connected to the filter cartridge end cap. The filter cartridge end cap is connected to the front end of the filter horizontal pipe via an end cap connecting flange and connecting bolts. The filter cartridge end cap has a drain hole at its center. The rear end of the drain pipe is welded to the drain hole of the filter cartridge end cap. The front end of the drain pipe is connected to a drain valve via a flange.

[0006] In the water supply pipe filter of the aforementioned sintering mixer, the rear end of the filter cartridge is connected to the connecting pipe via a filter cartridge fixing perforated plate and a connecting pipe baffle. The filter cartridge fixing perforated plate is a square plate, and the connecting pipe baffle is a semi-circular plate. The filter cartridge fixing perforated plate is placed in the connecting pipe, and the plate surface of the filter cartridge fixing perforated plate is located on the central axis of the connecting pipe. The plate surface of the filter cartridge fixing perforated plate is perpendicular to the central axis of the filter horizontal pipe. The two ends of the plate surface of the filter cartridge fixing perforated plate are welded to the opposite inner sidewalls of the connecting pipe, respectively. The upper and lower ends of the filter cartridge fixing perforated plate are welded to the straight edges of the semi-circular baffles of the two connecting pipe baffles, respectively. The circumferences of the semi-circular baffles of the two connecting pipe baffles are perpendicularly welded to the inner wall of the connecting pipe, respectively. The filter cartridge fixing perforated plate has a circular hole in its center, and the rear end of the filter cartridge is connected to the circular hole of the filter cartridge fixing perforated plate.

[0007] In the water supply pipeline filter of the above-mentioned sintering mixer, the diameter of the circular hole of the filter cartridge fixing plate is smaller than the diameter of the rear end of the filter cartridge. A rear circular retaining ring is welded to the outer periphery of the circular hole of the filter cartridge fixing plate. The inner diameter of the rear circular retaining ring matches the outer diameter of the rear end of the filter cartridge. The rear end of the filter cartridge is embedded in the rear circular retaining ring. The rear end face of the filter cartridge is tightly connected to the outer plate surface of the circular hole of the filter cartridge fixing plate.

[0008] The water supply pipe filter of the above-mentioned sintering mixer has a graphite sealing gasket between the filter cartridge end cover and the front end face of the filter horizontal pipe. A front circular retaining ring is welded on the inner side plate of the filter cartridge end cover. The inner diameter of the front circular retaining ring matches the outer diameter of the front end of the filter cartridge. The front end of the filter cartridge is embedded in the front circular retaining ring, and the front end face of the filter cartridge is tightly connected to the inner side plate of the filter cartridge end cover.

[0009] The beneficial effects of this utility model are:

[0010] The connecting pipe of this utility model is connected to the water supply pipe. The filter horizontal pipe is vertically connected to the connecting pipe. The filter cartridge is installed in the filter horizontal pipe. The rear end of the filter cartridge is fixedly connected to the connecting pipe through the filter cartridge fixing plate and the connecting pipe baffle. The water in the water supply pipe needs to be filtered by the filter cartridge before it can continue to flow forward. The filter cartridge end cap is connected to the drain pipe. The impurities filtered in the filter cartridge are discharged through the drain pipe, ensuring the cleanliness of the water in the water supply pipe.

[0011] This utility model has a simple structure and is easy to use. It has the advantages of high precision, high efficiency, corrosion resistance and easy cleaning. It can filter the water in the water supply pipe of the mixer, prevent the nozzle of the water supply pipe of the sintering mixer from being blocked, meet the water supply needs of the sintering mixer, and avoid the sintering machine being forced to reduce production or be repaired due to the impact of nozzle blockage on the water supply of the mixer, thus ensuring the normal operation of production. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a schematic diagram showing the connection between the connecting pipe and the filter horizontal pipe;

[0014] Figure 3 This is a schematic diagram of the filter cartridge structure;

[0015] Figure 4 This is a schematic diagram of the filter cartridge fixing perforated plate;

[0016] Figure 5 This is a schematic diagram of the structure of the connecting pipe baffle.

[0017] The following are marked in the diagram: 1. Connecting pipe; 2. Pipe flange; 3. Filter horizontal pipe; 4. Filter cartridge; 5. Filter hole; 6. Filter cartridge end cap; 7. End cap connecting flange; 8. Connecting bolt; 9. Drain hole; 10. Drain pipe; 11. Filter cartridge fixing plate; 12. Connecting pipe baffle; 13. Circular hole; 14. Graphite sealing gasket; 15. Rear circular retaining ring; 16. Front circular retaining ring; 17. Water inlet; 18. Water outlet; 19. Drain outlet. Detailed Implementation

[0018] This utility model consists of a connecting pipe 1, a pipe flange 2, a filter horizontal pipe 3, a filter cartridge 4, a filter cartridge end cap 6, an end cap connecting flange 7, a connecting bolt 8, a drain pipe 10, a filter cartridge fixing orifice plate 11, a connecting pipe baffle 12, a graphite sealing gasket 14, a rear circular retaining ring 15, and a front circular retaining ring 16.

[0019] Figure 1 , 2 As shown in Figures 4 and 5, both ends of the connecting pipe 1 are connected to the water supply pipe via pipe flanges 2, and the filter horizontal pipe 3 is welded perpendicularly to the connecting pipe 1.

[0020] A filter cartridge fixing plate 11 is installed inside the connecting pipe 1. The filter cartridge fixing plate 11 is a square plate. The filter cartridge fixing plate 11 is placed in the connecting pipe 1. The plate surface of the filter cartridge fixing plate 11 is located on the central axis of the connecting pipe 1. The plate surface of the filter cartridge fixing plate 11 is perpendicular to the central axis of the filter horizontal pipe 3. The two ends of the plate surface of the filter cartridge fixing plate 11 are welded to the opposite inner sidewalls of the connecting pipe 1. The filter cartridge fixing plate 11 has a circular hole 13 in the center.

[0021] The connecting pipe baffle 12 is a semi-circular plate. The upper and lower ends of the filter cartridge fixing plate 11 are welded to the straight edges of the semicircles of the two connecting pipe baffles 12, respectively. The circumferences of the semicircles of the two connecting pipe baffles 12 are welded perpendicularly to the inner wall of the connecting pipe 1.

[0022] With this structure, the filter cartridge fixing orifice plate 11 and the two connecting pipe baffles 12 cut off the water flow channel of the connecting pipe 1. The water in the water supply pipe cannot flow directly, but can only flow forward after passing through the middle circular hole 13 of the filter cartridge fixing orifice plate 11.

[0023] Figure 1 , 3 The filter cartridge 4 is a cylindrical body with filter holes 5 evenly distributed around its circumference. The filter cartridge 4 is placed inside the horizontal filter tube 3. The rear end of the filter cartridge 4 is connected to the circular hole 13 of the filter cartridge fixing plate 11, and the front end of the filter cartridge 4 is tightly connected to the filter cartridge end cap 6. The filter cartridge end cap 6 is connected to the front end of the horizontal filter tube 3 via an end cap connecting flange 7 and connecting bolts 8. A graphite sealing gasket 14 is placed between the filter cartridge end cap 6 and the front end face of the horizontal filter tube 3. The filter cartridge end cap 6 has a drain hole 9 at its center. The rear end of the drain pipe 10 is welded to the drain hole 9 of the filter cartridge end cap 6, and the front end of the drain pipe 10 is connected to a drain valve via a flange. Due to the obstruction of the filter cartridge fixing orifice plate 11 and the connecting pipe baffle 12 in the connecting pipe 1, the water flow in the water supply pipe must pass through the middle circular hole 13 of the filter cartridge fixing orifice plate 11 before entering the filter cartridge. After the water flows through the filter hole 5 of the filter cartridge 4, it enters the connecting pipe 1 from the filter horizontal pipe 3 and then flows forward. Impurities in the water are left in the filter cartridge 4 and finally discharged from the drain pipe 10 connected to the filter cartridge end cover 6.

[0024] Figure 1 The filter cartridge 4 is shown to be connected to the filter cartridge end cap 6 and the circular holes 13 of the filter cartridge fixing plate 11 by means of fitting. The inner side of the filter cartridge end cap 6 has a front circular retaining ring 16, the inner diameter of which matches the outer diameter of the front end of the filter cartridge 4. The front end of the filter cartridge 4 is fitted into the front circular retaining ring 16, and the front end face of the filter cartridge 4 is tightly connected to the inner side of the filter cartridge end cap 6. Simultaneously, the diameter of the circular hole in the filter cartridge fixing plate 11 is smaller than the diameter of the rear end of the filter cartridge 4. The outer circumference of the circular hole 13 in the filter cartridge fixing plate 11 has a rear circular retaining ring 15, the inner diameter of which matches the outer diameter of the rear end of the filter cartridge 4. The rear end of the filter cartridge 4 is fitted into the rear circular retaining ring 15, and the rear end face of the filter cartridge 4 is tightly connected to the outer side of the circular hole 13 in the filter cartridge fixing plate 11. The filter cartridge 4 adopts a connection structure of rear circular retaining ring 15 and front circular retaining ring 16. When the filter cartridge 4 needs to be cleaned or replaced, the connecting bolts 8 of the filter cartridge end cover 6 at the front end of the filter cartridge 4 can be loosened, and the filter cartridge 4 and the filter cartridge end cover 6 can be taken out from the filter horizontal tube 3 for cleaning or replacement, and then reinstalled.

[0025] Figure 1 The usage process of this utility model is shown as follows:

[0026] The fluid in the water supply pipe of the sintering mixer enters the filter cartridge 4 after passing through the middle circular hole 13 of the filter cartridge fixing plate 11. When the water flows through the filter cartridge 4, the solid particles in it are intercepted by the filter holes 5 of the filter cartridge 4. The size of the pores 5 determines the minimum particle size that can be filtered out. The water that meets the cleanliness requirements continues to flow. The filtration process is usually controlled by pressure to ensure that the fluid passes through the filter cartridge 4 at an appropriate speed to complete the entire filtration process.

[0027] After a period of use, some impurities accumulate in the filter cartridge 4. Open the drain valve connected to the drain pipe 10, and the impurities will be discharged with the water flow. The drain valve is designed for online drainage, and there is no need to stop the machine during operation. It can complete the drainage and cleaning process while the system is running, ensuring the continuous and stable operation of the system.

[0028] As the filtration time increases, a certain pressure drop will gradually occur during use. A layer of filter cake will gradually accumulate on the surface of filter cartridge 4, affecting the filtration efficiency. The magnitude of the pressure drop reflects the degree of clogging of filter cartridge 4. When the pressure difference reaches a certain threshold, it indicates that filter cartridge 4 needs to be cleaned or replaced. After removing filter cartridge 4, it can be manually cleaned with cleaning fluid and a brush. After cleaning, filter cartridge 4 should be reinstalled to ensure that all components are correctly reset.

[0029] An embodiment of this utility model is as follows:

[0030] The outer diameter of connecting pipe 1 is 273mm, the length is 509mm, and the thickness is 9mm;

[0031] The length of the filter tube 3 is 500mm, the outer diameter is 273mm, and the thickness is 9mm;

[0032] The filter cartridge 4 has a length of 590mm, an outer diameter of 215mm, a thickness of 8mm, and a filter hole diameter of 7mm.

[0033] The outer diameter of the filter cartridge end cap 6 is 405mm and the thickness is 30mm;

[0034] The length of the sewage pipe 10 is 135mm, the outer diameter is 63mm, and the thickness is 6mm;

[0035] The filter cartridge fixing plate 11 has a length of 255mm, a width of 353mm, a thickness of 10mm, and a diameter of 195mm for the circular hole 13.

[0036] The radius of the connecting pipe baffle 12 is 127.5 mm, and the length of its straight side is 255 mm;

[0037] The outer diameter of the front ring retainer 16 and the rear ring retainer 15 is 230mm, the inner diameter is 220mm, and the thickness is 15mm.

[0038] The drain valve is a DN65 ball valve.

Claims

1. A water addition line filter for a sintering mixer, characterized by: It includes a connecting pipe (1), a pipe flange (2), a filter horizontal pipe (3), a filter cartridge (4), a filter cartridge end cap (6), an end cap connecting flange (7), connecting bolts (8), and a drain pipe (10). The two ends of the connecting pipe (1) are connected to the water supply pipe through the pipe flange (2). The filter horizontal pipe (3) is vertically welded to the connecting pipe (1). The filter cartridge (4) is a cylindrical body and is placed in the filter horizontal pipe (3). The rear end of the filter cartridge (4) is connected to the connecting pipe (6). 1) Connected, filter cylinder (4) has filter holes (5) evenly distributed around its circumference. The front end of filter cylinder (4) is tightly connected to the inner wall of filter cylinder end cover (6). The filter cylinder end cover (6) is connected to the front end of filter horizontal pipe (3) through end cover connecting flange (7) and connecting bolt (8). There is a drain hole (9) in the center of filter cylinder end cover (6). The rear end of drain pipe (10) is welded to the drain hole (9) of filter cylinder end cover (6). The front end of drain pipe (10) is connected to drain valve through flange.

2. The water addition line filter for a sintering mixer according to claim 1, characterized by: The rear end of the filter cartridge (4) is connected to the connecting pipe (1) via a filter cartridge fixing plate (11) and a connecting pipe baffle (12). The filter cartridge fixing plate (11) is a square plate, and the connecting pipe baffle (12) is a semi-circular plate. The filter cartridge fixing plate (11) is placed in the connecting pipe (1), and the plate surface of the filter cartridge fixing plate (11) is located on the central axis of the connecting pipe (1). The plate surface of the filter cartridge fixing plate (11) is perpendicular to the central axis of the filter horizontal pipe (3). The two ends of the plate (11) are welded to the inner sidewalls of the connecting pipe (1) respectively. The upper and lower ends of the filter cartridge fixing plate (11) are welded to the straight edges of the semicircles of the two connecting pipe baffles (12) respectively. The circumferences of the semicircles of the two connecting pipe baffles (12) are welded vertically to the inner wall of the connecting pipe (1) respectively. The filter cartridge fixing plate (11) has a circular hole (13) in the center. The rear end of the filter cartridge (4) is connected to the circular hole (13) of the filter cartridge fixing plate (11).

3. The water addition line filter for a sintering mixer according to claim 2, characterized by: The diameter of the circular hole (13) of the filter cartridge fixing plate (11) is smaller than the diameter of the rear end of the filter cartridge (4). A rear circular retaining ring (15) is welded to the outer periphery of the circular hole (13) of the filter cartridge fixing plate (11). The inner diameter of the rear circular retaining ring (15) matches the outer diameter of the rear end of the filter cartridge (4). The rear end of the filter cartridge (4) is embedded in the rear circular retaining ring (15). The rear end face of the filter cartridge (4) is tightly connected to the outer plate surface of the circular hole (13) of the filter cartridge fixing plate (11).

4. The water addition line filter for a sintering mixer according to claim 3, characterized by: There is a graphite sealing gasket (14) between the filter cartridge end cap (6) and the front end face of the filter tube (3). A front ring retainer (16) is welded on the inner side plate of the filter cartridge end cap (6). The inner diameter of the front ring retainer (16) matches the outer diameter of the front end of the filter cartridge (4). The front end of the filter cartridge (4) is embedded in the front ring retainer (16). The front end face of the filter cartridge (4) is tightly connected to the inner side plate of the filter cartridge end cap (6).

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