Steelmaking sewage double-selective-flow filter

Abstract

The utility model discloses a steelmaking sewage double-selective-flow filter, which relates to the technical field of filters, and comprises a filtering mechanism, the surface of the filtering mechanism is fixedly connected with a cleaning mechanism, the filtering mechanism comprises a first filtering box, and the upper part of the first filtering box is fixedly connected with a second filtering box; the cleaning mechanism comprises a fixing plate, a first connecting box and a second connecting box, the fixing plate is fixedly connected with the first filtering box, the surface of the fixing plate is fixedly connected with a circulating water pump, and one end of the circulating water pump is fixedly connected with a second connecting pipe. According to the utility model, treated water is sprayed out from the first water spraying pipe through the fifth connecting pipe and the first connecting box, and at the moment, the water is upwards sprayed out from the lower part of the first filter material assembly to carry out back flushing on the first filter material assembly, so that filtered impurities in the first filter material assembly are flushed out; and then an eighth valve is opened to discharge impurities for washing the first filter material assembly from a first blow-off pipe, so that the filtering performance of the first filter material assembly is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a steelmaking wastewater double-selective flow filter. Background Art

[0002] The steelmaking wastewater double-selective flow filter is a device specially used for steelmaking wastewater treatment. During the steelmaking production process, a large amount of wastewater will be generated, which contains various solid particles, impurities and sedimentation substances. In order to treat this wastewater and purify the liquid in it, the double-selective flow filter is widely used in the wastewater treatment system of steel mills.

[0003] However, in the prior art, such as Chinese patent CN209790971U, which discloses "a new type of environmentally friendly double-flow mechanical filter", it includes a filter tank, a filter layer, a first water inlet, a second water inlet, a water outlet and a flip device. The filter tank is provided with a first water inlet and a first sewage outlet, the filter tank is provided with a second water inlet and a second sewage outlet, the filter tank is provided with a water outlet in the middle, the first water inlet, the second water inlet, the water outlet, the first sewage outlet and the second sewage outlet are all provided with valves, filter screens are fixedly provided at the upper and lower ends of the filter tank, a filter layer is provided between the filter screens, a filter screen cover is fixedly provided in the filter tank near the water outlet, and the flip device includes a base, and support arms are fixedly provided on both sides of the base.

[0004] However, in the prior art, during the use of the double-selective flow filter, long-term filtering operations will cause the filtering performance of the filter material to decline, and the filter material needs to be cleaned and maintained. The traditional double-selective flow filter needs to disassemble the filter material before it can be cleaned and maintained. The overall operation is relatively cumbersome, which increases the difficulty of cleaning and maintaining the double-selective flow filter. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that during the use of the double-selective flow filter in the prior art, long-term filtering operation will lead to the decline of the filtering performance of the filter material, and the filter material needs to be cleaned and maintained. The traditional double-selective flow filter needs to disassemble the filter material before it can be cleaned and maintained. The overall operation is cumbersome, which increases the difficulty of cleaning and maintaining the double-selective flow filter. A double-selective flow filter for steelmaking wastewater is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a steelmaking wastewater double-selection flow filter, comprising a filtering mechanism, the surface of the filtering mechanism is fixedly connected to a cleaning mechanism, the filtering mechanism comprises a first filter box, the upper part of the first filter box is fixedly connected to the second filter box, the cleaning mechanism comprises a fixed plate, a first connecting box and a second connecting box, the fixed plate is fixedly connected to the first filter box, and the surface of the fixed plate is fixedly connected to a circulating water pump, one end of the circulating water pump is fixedly connected to the second connecting pipe, and the other end of the circulating water pump is fixedly connected to the third connecting pipe, one end of the third connecting pipe is fixedly connected to the fourth connecting pipe, one end of the fourth connecting pipe is fixedly connected to the fifth connecting pipe, and the other end of the fourth connecting pipe is fixedly connected to the sixth connecting pipe, the first connecting box is fixedly connected to the inside of the first filter box, the second connecting box is fixedly connected to the inside of the second filter box, the fifth connecting pipe is fixedly connected to the first connecting box, the sixth connecting pipe is fixedly connected to the second connecting box, the upper part of the first connecting box is fixedly connected to the first water spray pipe, the upper part of the second connecting box is fixedly connected to the second water spray pipe, and the second connecting pipe is fixedly connected to the drain pipe.

[0007] Preferably, the surface of the fifth connecting pipe is fixedly connected to the sixth valve, and the surface of the sixth connecting pipe is fixedly connected to the seventh valve.

[0008] Preferably, the surface of the first filter box is fixedly connected to the first water inlet pipe, the surface of the first water inlet pipe is fixedly connected to the first valve, the surface of the first filter box is fixedly connected to the first water outlet pipe, the surface of the first water outlet pipe is fixedly connected to the fourth valve, and one end of the first water outlet pipe is fixedly connected to the first connecting pipe, the lower part of the first connecting pipe is fixedly connected to the drain pipe, the surface of the drain pipe is fixedly connected to the fifth valve, the surface of the second filter box is fixedly connected to the second water outlet pipe, the surface of the second water outlet pipe is fixedly connected to the third valve, and one end of the second water outlet pipe is fixedly connected to the first connecting pipe.

[0009] Preferably, the interior of the first filter box is fixedly connected to the first filter material assembly, and the interior of the second filter box is fixedly connected to the second filter material assembly.

[0010] Preferably, the surface of the first filter box is fixedly connected to the first water inlet pipe, the surface of the first water inlet pipe is fixedly connected to the first valve, the surface of the second filter box is fixedly connected to the second water inlet pipe, and the surface of the second water inlet pipe is fixedly connected to the second valve.

[0011] Preferably, the surface of the first water inlet pipe is fixedly connected to the first sewage pipe, the surface of the first sewage pipe is fixedly connected to the eighth valve, the surface of the second filter box is fixedly connected to the second sewage pipe, and the surface of the second sewage pipe is fixedly connected to the ninth valve.

[0012] Preferably, the bottom of the first filter box is fixedly connected to the supporting legs.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, when the filtering performance of the first filter material assembly decreases, the first valve is closed and the second valve is opened, and the sewage enters the second filter box through the second water inlet pipe, and the sewage is filtered and processed by the second filter material assembly, and the processed sewage is discharged outwardly through the second water outlet pipe and the first connecting pipe. At this time, the fourth valve and the fifth valve are closed respectively, and the circulating water pump is opened at the same time, and the processed sewage in the drain pipe is pumped out through the second connecting pipe, and water is passed through the fourth connecting pipe through the third connecting pipe. At this time, the seventh valve is closed and the sixth valve is opened, and then the water passes through the fifth connecting pipe and the first connecting box and is sprayed out from the first water spray pipe. At this time, the water is sprayed upward from the lower part of the first filter material assembly, and the first filter material assembly is reversely flushed to flush out the filtered impurities in the first filter material assembly, and then the eighth valve is opened to discharge the impurities flushed in the first filter material assembly from the first sewage pipe, thereby improving the filtering performance of the first filter material assembly.

[0015] 2. In the utility model, when the filtering performance of the second filter material assembly decreases, the second valve is closed and the first valve is opened, and then the sixth valve is closed and the seventh valve is opened, and the third valve and the fifth valve are closed at the same time, and the fourth valve is opened. The sewage treated by the first filter material assembly can enter from the sixth connecting pipe and be sprayed out from the second water spray pipe through the second connecting box, and the second filter material assembly can be reversely flushed, thereby improving the filtering performance of the second filter material assembly, and facilitating the cleaning and maintenance of the first filter material assembly and the second filter material assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a first stereoscopic structural schematic diagram of a steelmaking wastewater double-selective flow filter;

[0017] Figure 2 A second three-dimensional structural schematic diagram of a steelmaking wastewater double-selective flow filter is proposed for the utility model;

[0018] Figure 3 The utility model provides a side view structural schematic diagram of a steelmaking wastewater double-selective flow filter;

[0019] Figure 4 The utility model provides a schematic diagram of the internal structure of the first filter box in a double-selective filter for steelmaking wastewater;

[0020] Figure 5 The utility model provides a three-dimensional structural schematic diagram of a first connecting box in a steelmaking wastewater double-selective flow filter.

[0021] Legend: 1. Filter mechanism; 11. First filter box; 12. Support leg; 13. First water inlet pipe; 14. First valve; 15. Second filter box; 16. Second water inlet pipe; 17. Second valve; 18. Second water outlet pipe; 19. Third valve; 110. First water outlet pipe; 111. Fourth valve; 112. First connecting pipe; 113. Drain pipe; 114. Fifth valve; 115. First filter material assembly; 116. Second filter material assembly; 2. Cleaning mechanism; 21. fixing plate; 22. circulating water pump; 23. second connecting pipe; 24. third connecting pipe; 25. fifth connecting pipe; 26. sixth connecting pipe; 27. fourth connecting pipe; 28. sixth valve; 29. ​​seventh valve; 210. first sewage pipe; 211. eighth valve; 212. second sewage pipe; 213. ninth valve; 214. first connecting box; 215. first water spray pipe; 216. second connecting box; 217. second water spray pipe. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Embodiment 1

[0025] like Figure 1-5As shown, the utility model provides a steelmaking wastewater double-selection filter, including a filtering mechanism 1, the surface of the filtering mechanism 1 is fixedly connected to the cleaning mechanism 2, the filtering mechanism 1 includes a first filtering box 11, the upper part of the first filtering box 11 is fixedly connected to the second filtering box 15, the cleaning mechanism 2 includes a fixing plate 21, a first connecting box 214 and a second connecting box 216, the fixing plate 21 is fixedly connected to the first filtering box 11, and the surface of the fixing plate 21 is fixedly connected to the circulating water pump 22, one end of the circulating water pump 22 is fixedly connected to the second connecting pipe 23, and the other end of the circulating water pump 22 is fixedly connected to the third connecting pipe 24, one end of the third connecting pipe 24 is fixedly connected to the fourth connecting pipe 27, and one end of the fourth connecting pipe 27 is fixedly connected to the The fifth connecting pipe 25 is fixedly connected, and the other end of the fourth connecting pipe 27 is fixedly connected to the sixth connecting pipe 26, the first connecting box 214 is fixedly connected to the inside of the first filter box 11, the second connecting box 216 is fixedly connected to the inside of the second filter box 15, the fifth connecting pipe 25 is fixedly connected to the first connecting box 214, the sixth connecting pipe 26 is fixedly connected to the second connecting box 216, the upper part of the first connecting box 214 is fixedly connected to the first water spray pipe 215, the upper part of the second connecting box 216 is fixedly connected to the second water spray pipe 217, the second connecting pipe 23 is fixedly connected to the drain pipe 113, the surface of the fifth connecting pipe 25 is fixedly connected to the sixth valve 28, and the surface of the sixth connecting pipe 26 is fixedly connected to the seventh valve 29.

[0026] The specific settings and functions of this embodiment are described in detail below. When the filtering performance of the first filter material assembly 115 decreases, the first valve 14 is closed and the second valve 17 is opened. The sewage enters the second filter box 15 through the second water inlet pipe 16, and the sewage is filtered and processed by the second filter material assembly 116. The treated sewage is discharged outward through the second outlet pipe 18 and the first connecting pipe 112. At this time, the fourth valve 111 and the fifth valve 114 are closed respectively, and the circulating water pump 22 is turned on at the same time. The treated sewage in the drain pipe 113 is pumped out through the second connecting pipe 23. The water is passed through the fourth connecting pipe 27 through the third connecting pipe 24, and the seventh valve 29 is closed and the sixth valve 28 is opened. Then the water is sprayed out from the first water spray pipe 215 through the fifth connecting pipe 25 and the first connecting box 214. At this time, the water is sprayed upward from the lower part of the first filter material assembly 115 to reversely flush the first filter material assembly 115, flushing out the filtered impurities inside the first filter material assembly 115, and then the eighth valve 211 is opened to discharge the impurities flushed in the first filter material assembly 115 from the first sewage pipe 210, thereby improving the filtering performance of the first filter material assembly 115;

[0027] When the filtering performance of the second filter material assembly 116 decreases, similarly, the second valve 17 is closed and the first valve 14 is opened, then the sixth valve 28 is closed and the seventh valve 29 is opened, and at the same time, the third valve 19 and the fifth valve 114 are closed, and the fourth valve 111 is opened. The sewage treated by the first filter material assembly 115 can enter from the sixth connecting pipe 26, and be sprayed out from the second water spray pipe 217 through the second connecting box 216, and the second filter material assembly 116 can be backwashed, thereby improving the filtering performance of the second filter material assembly 116, and facilitating the cleaning and maintenance of the first filter material assembly 115 and the second filter material assembly 116.

[0028] Embodiment 2

[0029] like Figure 1-5 As shown, the surface of the first filter box 11 is fixedly connected to the first water inlet pipe 13, the surface of the first water inlet pipe 13 is fixedly connected to the first valve 14, the surface of the first filter box 11 is fixedly connected to the first water outlet pipe 110, the surface of the first water outlet pipe 110 is fixedly connected to the fourth valve 111, and one end of the first water outlet pipe 110 is fixedly connected to the first connecting pipe 112, the lower part of the first connecting pipe 112 is fixedly connected to the drain pipe 113, the surface of the drain pipe 113 is fixedly connected to the fifth valve 114, the surface of the second filter box 15 is fixedly connected to the second water outlet pipe 18, the surface of the second water outlet pipe 18 is fixedly connected to the third valve 19, and one end of the second water outlet pipe 18 is fixedly connected to the first connecting pipe 112, the inside of the first filter box 11 It is fixedly connected to the first filter material assembly 115, the interior of the second filter box 15 is fixedly connected to the second filter material assembly 116, the surface of the first filter box 11 is fixedly connected to the first water inlet pipe 13, the surface of the first water inlet pipe 13 is fixedly connected to the first valve 14, the surface of the second filter box 15 is fixedly connected to the second water inlet pipe 16, the surface of the second water inlet pipe 16 is fixedly connected to the second valve 17, the surface of the first water inlet pipe 13 is fixedly connected to the first sewage pipe 210, the surface of the first sewage pipe 210 is fixedly connected to the eighth valve 211, the surface of the second filter box 15 is fixedly connected to the second sewage pipe 212, the surface of the second sewage pipe 212 is fixedly connected to the ninth valve 213, and the bottom of the first filter box 11 is fixedly connected to the support leg 12.

[0030] The effect achieved by the entire embodiment is that sewage can enter the first filter box 11 and the second filter box 15 respectively through the first water inlet pipe 13 and the second water inlet pipe 16 for filtering treatment. When filtering the sewage, the first valve 14 is opened and the second valve 17 is closed. The sewage enters the first filter box 11 and is filtered through the first filter material assembly 115. The filtered sewage is discharged to the outside through the first outlet pipe 110 and the drain pipe 113. Similarly, by opening the second valve 17 and closing the first valve 14, the sewage enters the second filter box 15, and the sewage can be quickly filtered through the second filter material assembly 116.

[0031] The use method and working principle of the device are as follows: the sewage can enter the first filter box 11 and the second filter box 15 through the first water inlet pipe 13 and the second water inlet pipe 16 respectively for filtering treatment. When filtering the sewage, the first valve 14 is opened and the second valve 17 is closed, and the sewage enters the first filter box 11 and is filtered through the first filter material component 115. The filtered sewage is discharged outward through the first outlet pipe 110 and the drain pipe 113. When the filtering performance of the first filter material component 115 decreases, the first valve 14 is closed and the second valve 17 is opened, and the sewage enters the second filter box 15 through the second water inlet pipe 16, and is filtered through the second filter material component 116. The treated sewage is discharged outward through the second outlet pipe 18 and The first connecting pipe 112 is discharged outward, at this time, the fourth valve 111 and the fifth valve 114 are closed respectively, and the circulating water pump 22 is opened at the same time, and the sewage treated inside the drainage pipe 113 is pumped out through the second connecting pipe 23, and the water is passed through the inside of the fourth connecting pipe 27 through the third connecting pipe 24. At this time, the seventh valve 29 is closed and the sixth valve 28 is opened, and then the water passes through the fifth connecting pipe 25 and the first connecting box 214 and is sprayed out from the first water spray pipe 215. At this time, the water is sprayed upward from the lower part of the first filter material component 115, and the first filter material component 115 is reversely flushed to flush out the filtered impurities inside the first filter material component 115, and then the eighth valve 211 is opened to discharge the impurities flushed from the first filter material component 115 from the first sewage pipe 210;

[0032] When the filtering performance of the second filter material assembly 116 decreases, similarly, the second valve 17 is closed and the first valve 14 is opened, and then the sixth valve 28 is closed and the seventh valve 29 is opened. At the same time, the third valve 19 and the fifth valve 114 are closed, and the fourth valve 111 is opened. The sewage treated by the first filter material assembly 115 can enter from the sixth connecting pipe 26, and be sprayed out from the second water spray pipe 217 through the second connecting box 216, so as to reversely flush the second filter material assembly 116, thereby improving the filtering performance of the second filter material assembly 116.

[0033] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A steelmaking wastewater double-selective filter, comprising a filtering mechanism (1), the surface of the filtering mechanism (1) being fixedly connected to a cleaning mechanism (2), characterized in that: The filtering mechanism (1) comprises a first filtering box (11), the upper part of which is fixedly connected to the second filtering box (15); the cleaning mechanism (2) comprises a fixing plate (21), a first connecting box (214) and a second connecting box (216); the fixing plate (21) is fixedly connected to the first filtering box (11), and the surface of the fixing plate (21) is fixedly connected to a circulating water pump (22); one end of the circulating water pump (22) is fixedly connected to the second connecting pipe (23), and the other end of the circulating water pump (22) is fixedly connected to the third connecting pipe (24); one end of the third connecting pipe (24) is fixedly connected to the fourth connecting pipe (27), and one end of the fourth connecting pipe (27) is fixedly connected to the fifth connecting pipe (23); The connecting pipe (25) is fixedly connected, and the other end of the fourth connecting pipe (27) is fixedly connected to the sixth connecting pipe (26), the first connecting box (214) is fixedly connected to the inside of the first filter box (11), the second connecting box (216) is fixedly connected to the inside of the second filter box (15), the fifth connecting pipe (25) is fixedly connected to the first connecting box (214), the sixth connecting pipe (26) is fixedly connected to the second connecting box (216), the upper part of the first connecting box (214) is fixedly connected to the first water spray pipe (215), the upper part of the second connecting box (216) is fixedly connected to the second water spray pipe (217), and the second connecting pipe (23) is fixedly connected to the drain pipe (113).

2. A steelmaking wastewater double-selection filter according to claim 1, characterized in that: The surface of the fifth connecting pipe (25) is fixedly connected to the sixth valve (28), and the surface of the sixth connecting pipe (26) is fixedly connected to the seventh valve (29).

3. A steelmaking wastewater double-selection filter according to claim 1, characterized in that: The surface of the first filter box (11) is fixedly connected to the first water inlet pipe (13), the surface of the first water inlet pipe (13) is fixedly connected to the first valve (14), the surface of the first filter box (11) is fixedly connected to the first water outlet pipe (110), the surface of the first water outlet pipe (110) is fixedly connected to the fourth valve (111), and one end of the first water outlet pipe (110) is fixedly connected to the first connecting pipe (112), the lower part of the first connecting pipe (112) is fixedly connected to the drain pipe (113), the surface of the drain pipe (113) is fixedly connected to the fifth valve (114), the surface of the second filter box (15) is fixedly connected to the second water outlet pipe (18), the surface of the second water outlet pipe (18) is fixedly connected to the third valve (19), and one end of the second water outlet pipe (18) is fixedly connected to the first connecting pipe (112).

4. A steelmaking wastewater double-selection filter according to claim 1, characterized in that: The interior of the first filter box (11) is fixedly connected to the first filter material assembly (115), and the interior of the second filter box (15) is fixedly connected to the second filter material assembly (116).

5. A steelmaking wastewater double-selection filter according to claim 3, characterized in that: The surface of the first water inlet pipe (13) is fixedly connected to the first sewage pipe (210), the surface of the first sewage pipe (210) is fixedly connected to the eighth valve (211), the surface of the second filter box (15) is fixedly connected to the second sewage pipe (212), and the surface of the second sewage pipe (212) is fixedly connected to the ninth valve (213).

6. A steelmaking wastewater double-selection filter according to claim 3, characterized in that: The surface of the first filter box (11) is fixedly connected to the first water inlet pipe (13), the surface of the first water inlet pipe (13) is fixedly connected to the first valve (14), the surface of the second filter box (15) is fixedly connected to the second water inlet pipe (16), and the surface of the second water inlet pipe (16) is fixedly connected to the second valve (17).

7. The steelmaking wastewater double-selection filter according to claim 1, characterized in that: The bottom of the first filter box (11) is fixedly connected to the support leg (12).

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