Self-cleaning pipeline filtering system

Abstract

The utility model discloses a self-cleaning pipeline filtering system, the other side part of a filtering box is provided with a blowdown box, the side part of the blowdown box is connected with a blowdown pipe, the two side ends of the interior of the filtering box are provided with two limiting edge grooves with different position heights, and the inner sides of the two limiting edge grooves are connected with a mounting frame in an embedded fit manner; the filter box, the water inlet pipe, the backflow water pipe, the blow-off box, the blow-off pipe and the filter inclined net form a filter result, the water inlet pipe is connected with a water outlet pipeline of a cooling water system of the finish rolling section, the filter box is connected with the blow-off pipe, the filter box is connected with the blow-off pipe, the filter box is connected with the blow-off pipe, the filter box is connected with the blow-off pipe, and the blow-off pipe is connected with the blow-off pipe. By means of the cooling water filtering device, the acted cooling water can be conveniently filtered, impurities and particles in the water are effectively filtered out, the water quality is improved, the influence of the impurities on a rolling mill is reduced, energy consumption and waste water discharge can be reduced, and energy conservation and environment protection are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel smelting, in particular to a self-cleaning pipeline filtering system. Background Art

[0002] With the rapid development of the steel rolling industry, steel mills are facing more and more challenges in the production process, the most prominent of which is the cleanliness of the mill cooling water system. Impurities and particulate matter in the cooling water system will not only affect the normal operation of the mill, but also reduce the quality of rolled products, and even cause equipment failure, affecting production efficiency. In the case of hot rolling production lines producing strip steel, the cooling water system of the steel mill is mainly composed of cooling towers, water pumps, pipelines and other equipment. Its main function is to absorb the heat generated during the operation of the steel rolling equipment through circulating water to ensure the normal operation of the equipment and the stability of product quality.

[0003] The cooling water for the finishing mill rolls currently used is high-pressure turbid circulating water. Due to the lack of filtering function for the cooling water, it will bring rust, corrosion and other attachments in the pipeline into the roll nozzle and act on the working roll, which will have a great impact on the production organization and the quality of the rolled plate, and also cause a large waste of working roll consumption. In addition, the dirt can also cause pipeline blockage and equipment corrosion. Utility Model Content

[0004] The utility model provides a self-cleaning pipeline filtering system, which can effectively solve the problem mentioned in the above background technology that the cooling water for the finishing mill rolls currently used is high-pressure turbid circulating water. Due to the lack of the function of filtering the cooling water, it will bring the attached rust, corrosion products and the like in the pipeline into the roll nozzle and act on the working roll, thereby greatly affecting the production organization and the quality of the rolled plate, and also causing a large waste of the working roll consumption. In addition, the dirt can also cause pipeline blockage and equipment corrosion.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-cleaning pipeline filtering system, comprising a filter box, a top cover is arranged on the top of the filter box, a connecting pipe is embedded and connected to the inner side of the top of the top cover, and the top of the connecting pipe is connected to the water inlet pipe, a return water pipe is connected to the bottom of one side of the filter box, a sewage box is installed on the edge of the other side of the filter box, and the edge of the sewage box is connected to the sewage pipe, two limiting side grooves with different position heights are opened on the inner side of the filter box, and the inner side of the two limiting side grooves is embedded and connected with a mounting frame, the two side edges of the mounting frame are provided with extrusion strips at the contact positions with the limiting side grooves, and the inner side of the mounting frame is embedded and connected with a filter inclined net;

[0006] An overflow groove is arranged at the bottom of one side of the installation frame, a through groove is opened at the edge of the filter box corresponding to the sewage box, and sealing grooves are opened at the bottom and top positions of the through groove inside the filter box corresponding to the through groove, and a sealing plate is embedded and connected inside the sealing groove.

[0007] Preferably, the water inlet pipe is connected to the cooling water system drainage pipe and the high-pressure turbid ring main pipe, the cooling water system drainage pipe and the high-pressure turbid ring main pipe are both provided with pressure gauges, and the edge of the sewage pipe is provided with an electric sewage valve;

[0008] A gate valve is arranged at the end of the return water pipe, and a pressure gauge is arranged at the edge of the return water pipe located on one side of the gate valve, and the water outlet end of the return water pipe is connected to the water inlet pipe of the cooling water system.

[0009] Preferably, the installation frame is arranged at an angle, and the installation frame is in close contact with the inner walls of the two limiting side grooves respectively through extrusion strips at its side ends, and the extrusion strips are rubber strips.

[0010] Preferably, the filter box is connected to the interior of the sewage box through a through groove, the sealing plate and the sealing groove are both dovetail-shaped, and the sealing plate is tightly fitted and connected in the sealing groove.

[0011] Preferably, the top of the connecting pipe passes through a water inlet hood, a connecting plate is provided on the top of the water inlet hood, and the connecting plate is connected to the water outlet end of the water inlet pipe, a mounting bracket is embedded and installed on the inner side of the water inlet hood, a driving fan blade is rotatably connected to the middle part of the mounting bracket, four feeding hoppers are embedded and connected at equal angles along the circumferential direction on the inner side of the connecting plate, and the side of the water inlet hood is connected to the top surface of the top cover through a side support frame.

[0012] Preferably, the water outlet position of the water inlet pipe is directly opposite to the driving fan blades, and through holes are provided at the bottom and top of the connecting plate corresponding to the connecting pipe and the water inlet pipe.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a scientific and reasonable structure and is safe and convenient to use:

[0014] 1. The filtering result is formed by a filter box, an inlet pipe, a return water pipe, a sewage box, a sewage pipe and a filter inclined net, and the inlet pipe is connected to the outlet pipe of the cooling water system of the finishing rolling section, so as to facilitate the filtering of the cooling water after the action, thereby effectively filtering out impurities and particulate matter in the water and improving the water quality. By reducing the impact of impurities on the rolling mill, it can also reduce energy consumption and wastewater discharge, thereby achieving energy conservation and environmental protection;

[0015] In the process of filtering cooling water by the filter box, the inclined installation frame and the filter inclined net are used to facilitate the intercepted dirt to flow into the overflow groove in an overflow manner, and to cooperate with the through groove to allow the dirt to flow into the sewage box. The sealing card groove is used to facilitate the tight fitting of the sealing plate, so as to facilitate the opening and closing of the through groove, thereby improving the collection efficiency of dirt, reducing the difficulty of subsequent cleaning, and allowing the filter inclined net to continue to maintain a high-efficiency filtering effect.

[0016] 2. By arranging a water inlet cover at the bottom of the water inlet pipe and arranging a mounting bracket and a driving fan blade in the water inlet cover, the flow pressure of the sewage can be used to drive the driving fan blade to rotate before the sewage enters the filter box through the water inlet pipe, so as to consume the pressure in the sewage, reduce the subsequent impact of the sewage on the filter inclined net, and protect the filter inclined net. At the same time, the adding hopper is used to facilitate the addition of the treatment agent into the water inlet cover. The rotation of the driving fan blade can make the agent and the sewage fully and evenly mixed, thereby improving the treatment effect of the agent on the sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0018] In the attached picture:

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure inside the filter box of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the installation frame of the utility model;

[0022] Figure 4 This is a schematic diagram of the installation structure of the drive fan blade of the utility model;

[0023] Figure 5 This is the principle diagram of the roller cooling water filter of the utility model;

[0024] Numbers in the figure: 1. filter box; 2. water inlet pipe; 3. return water pipe; 4. sewage box; 5. sewage pipe; 6. top cover; 7. limiting side groove; 8. installation frame; 9. extrusion strip; 10. filter inclined net; 11. overflow groove; 12. through groove; 13. sealing slot; 14. sealing plate; 15. water inlet cover; 16. mounting bracket; 17. driving fan blade; 18. connecting plate; 19. feeding hopper; 20. side support frame; 21. connecting pipe. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0026] Example: Figure 1-5 As shown, the utility model provides a technical solution, a self-cleaning pipeline filtering system, including a filter box 1, a top cover 6 is arranged on the top of the filter box 1, a connecting pipe 21 is embedded in the inner side of the top of the top cover 6, and the top of the connecting pipe 21 is connected to the water inlet pipe 2, a return water pipe 3 is connected to the bottom of one side of the filter box 1, a gate valve is arranged at the end of the return water pipe 3, and a pressure gauge is arranged at the side of the gate valve on the side of the return water pipe 3, and the water outlet end of the return water pipe 3 is connected to the water inlet pipe of the cooling water system, so as to facilitate the monitoring of the water pressure, a sewage box 4 is installed on the other side of the filter box 1, and a sewage box 5 is connected to the side of the sewage box 4, and the water inlet pipe 2 is connected to the drainage pipe of the cooling water system and the high-pressure turbid ring main pipe The filter box 1 is connected to the filter box 1. The cooling water system drainage pipe and the high-pressure turbid ring main pipe are both provided with pressure gauges. The side of the drainage pipe 5 is provided with an electric drainage valve to facilitate the entry of sewage and the discharge of the dirt after filtering. Two limiting side grooves 7 with different positions and heights are provided on the two side ends of the interior of the filter box 1, and the inner sides of the two limiting side grooves 7 are embedded and connected with a mounting frame 8. The two side edges of the mounting frame 8 are provided with extrusion strips 9 at the contact position with the limiting side grooves 7. The mounting frame 8 is inclined, and the mounting frame 8 is in close contact with the inner walls of the two limiting side grooves 7 through the extrusion strips 9 at its side ends. The extrusion strips 9 are rubber strips, which are convenient for the installation frame 8 to be limited and tightly installed. The inner side of the mounting frame 8 is embedded and connected with a filtering inclined net 10.

[0027] An overflow groove 11 is provided at the bottom of one side of the mounting frame 8, a through groove 12 is provided at the edge of the filter box 1 corresponding to the sewage box 4, and sealing grooves 13 are provided at the bottom and top positions of the filter box 1 corresponding to the through groove 12, and a sealing plate 14 is embedded and connected inside the sealing groove 13. The filter box 1 is connected to the interior of the sewage box 4 through the through groove 12, and the sealing plate 14 and the sealing groove 13 are both dovetail-shaped, and the sealing plate 14 is tightly connected in the sealing groove 13, so that the pollutants filtered out on the surface of the filter inclined screen 10 can be transported to the sewage box 4 in an overflow manner.

[0028] The top of the connecting pipe 21 passes through the water inlet cover 15, and a connecting plate 18 is provided on the top of the water inlet cover 15, and the connecting plate 18 is connected to the water outlet end of the water inlet pipe 2. A mounting bracket 16 is embedded and installed on the inner side of the water inlet cover 15, and the middle part of the mounting bracket 16 is rotatably connected to the driving blade 17. The water outlet position of the water inlet pipe 2 is opposite to the driving blade 17. Through holes are provided at the bottom and top of the connecting plate 18 corresponding to the connecting pipe 21 and the water inlet pipe 2, which is convenient for the rotation of the driving blade 17 and the entry and discharge of the treated water from the water inlet cover 15. Four feeding hoppers 19 are embedded and connected at equal angles on the inner side of the connecting plate 18 along the circumferential direction. The side of the water inlet cover 15 is connected to the top surface of the top cover 6 through the side support frame 20.

[0029] Working principle and use process of the utility model: In the actual application process of the self-cleaning pipeline filtration system, firstly connect the water inlet pipe 2 with the drainage pipe of the cooling water system of the finishing rolling section and the high-pressure turbid ring main pipe, connect the return water pipe 3 with the water inlet pipe of the cooling water system, and connect the sewage box 4 with the sewage collection box through the sewage pipe 5;

[0030] After the sewage flowing into the cooling water system drainage pipe and the high-pressure turbid ring main pipe enters the water inlet pipe 2, a water inlet cover 15 is provided at the bottom of the water inlet pipe 2, and a mounting bracket 16 and a driving fan blade 17 are provided in the water inlet cover 15. Before the sewage enters the filter box 1 through the water inlet pipe 2, the flow pressure of the sewage can be used to drive the driving fan blade 17 to rotate, so as to consume the pressure in the sewage, reduce the subsequent impact force of the sewage on the filter inclined screen 10, and protect the filter inclined screen 10;

[0031] In addition, during the process of water inletting into the water inlet pipe 2, the adding hopper 19 is used to conveniently add the treatment agent into the water inlet cover 15, and the driving blade 17 is driven to rotate so that the agent and the sewage can be fully mixed, thereby improving the treatment effect of the agent on the sewage;

[0032] After the sewage passes through the water inlet cover 15, it is transported to the filter box 1 through the connecting pipe 21. At this time, the installation frame 8 and the filter inclined net 10 provided in the filter box 1 facilitate the filtration of the sewage, thereby effectively filtering out impurities and particulate matter in the water, improving the water quality, and reducing the impact of impurities on the rolling mill;

[0033] In the process of filtering the cooling water in the filter box 1, the inclined mounting frame 8 and the filter inclined net 10 are used to facilitate the intercepted dirt to flow into the overflow groove 11 in an overflow manner, and to facilitate the through groove 12 to make the dirt flow into the sewage box 4;

[0034] Before the sewage flows into the sewage box 4, the sealing plate 14 is pulled out from the sealing slot 13 to facilitate the opening of the through slot 12, so that the sewage can be smoothly discharged into the sewage box 4 through the through slot 12, thereby improving the sewage collection efficiency, reducing the difficulty of subsequent cleaning, and allowing the filter inclined net 10 to continue to maintain an efficient filtering effect.

[0035] Finally, it should be noted that the above description is only a preferred example of the present utility model and is not intended to limit the present utility model. Although the present utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A self-cleaning pipeline filtration system, comprising a filter box (1), characterized in that: The top of the filter box (1) is provided with a top cover (6), the inner side of the top of the top cover (6) is embedded with a connecting pipe (21), and the top of the connecting pipe (21) is connected to a water inlet pipe (2), the bottom of one side of the filter box (1) is connected to a return water pipe (3), the edge of the other side of the filter box (1) is installed with a sewage box (4), the edge of the sewage box (4) is connected to a sewage pipe (5), two side edge ends of the inside of the filter box (1) are provided with two limiting side grooves (7) with different positions and heights, and the inner sides of the two limiting side grooves (7) are embedded with a mounting frame (8) in a fitting connection, and the two side edges of the mounting frame (8) are provided with extrusion strips (9) at the contact positions with the limiting side grooves (7), and the inner side of the mounting frame (8) is embedded with a filtering inclined net (10); An overflow groove (11) is provided at the bottom of one side of the installation frame (8); a through groove (12) is provided at the edge of the filter box (1) corresponding to the sewage box (4); and sealing grooves (13) are provided at the bottom and top of the filter box (1) corresponding to the through groove (12); a sealing plate (14) is embedded and connected inside the sealing groove (13).

2. A self-cleaning pipe filtration system according to claim 1, characterized in that: The water inlet pipe (2) is connected to the cooling water system drainage pipe and the high-pressure turbid ring main pipe, the cooling water system drainage pipe and the high-pressure turbid ring main pipe are both provided with pressure gauges, and the edge of the sewage pipe (5) is provided with an electric sewage valve; The end of the return water pipe (3) is provided with a gate valve, and the edge of the return water pipe (3) is provided with a pressure gauge located on one side of the gate valve, and the water outlet end of the return water pipe (3) is connected to the water inlet pipe of the cooling water system.

3. A self-cleaning pipe filtration system according to claim 1, characterized in that: The installation frame (8) is arranged in an inclined manner, and the installation frame (8) is in close contact with the inner walls of the two limiting side grooves (7) through the extrusion strips (9) at the side ends thereof, and the extrusion strips (9) are rubber strips.

4. A self-cleaning pipe filtration system according to claim 1, characterized in that: The filter box (1) is connected to the interior of the sewage box (4) via a through groove (12); the sealing plate (14) and the sealing groove (13) are both dovetail-shaped, and the sealing plate (14) is tightly fitted and connected in the sealing groove (13).

5. A self-cleaning pipe filtration system according to claim 1, characterized in that: The top of the connecting pipe (21) passes through the water inlet cover (15), and a connecting plate (18) is arranged on the top of the water inlet cover (15), and the connecting plate (18) is connected to the water outlet end of the water inlet pipe (2). A mounting bracket (16) is embedded and installed on the inner side of the water inlet cover (15), and a driving fan blade (17) is rotatably connected to the middle part of the mounting bracket (16). Four feeding hoppers (19) are embedded and connected at equal angles along the circumferential direction on the inner side of the connecting plate (18), and the side of the water inlet cover (15) is connected to the top surface of the top cover (6) through a side support frame (20).

6. A self-cleaning pipe filtration system according to claim 5, characterized in that: The water outlet position of the water inlet pipe (2) is directly opposite to the driving fan blade (17), and through holes are provided at the bottom and top of the connecting plate (18) corresponding to the connecting pipe (21) and the water inlet pipe (2).

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