Filtering system for efficient phosphorus removal agent production

Abstract

The utility model relates to the field of phosphorus removal agent production, and discloses an efficient phosphorus removal agent production filtering system which comprises a filtering box, supporting legs are fixedly installed at the four corners of the bottom of the filtering box, two filtering cavities are formed in the filtering box, the top of each filtering cavity is of an opening structure, and the cross section of each filtering cavity is in a circular shape; two filtering cavities are formed in the filtering box, annular filtering nets are arranged in the two filtering cavities, two phosphorus removal agent inlet pipes are fixedly installed on the front side wall of the filtering box and communicate with the corresponding filtering cavities correspondingly, and first electromagnetic valves are fixedly installed on the two phosphorus removal agent inlet pipes correspondingly; and the front ends of the two phosphorus removal agent inlet pipes are fixedly connected with the same phosphorus removal agent input header pipe. Compared with the prior art, the filtering device has the following advantages and effects that the two annular filter screens are alternately used, continuous filtering operation on a phosphorus removal agent solution can be achieved, shutdown is not needed, the filtering efficiency is improved, and the effect of efficiently filtering the phosphorus removal agent solution is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of phosphorus removal agent production, in particular to a filtering system for high-efficiency phosphorus removal agent production. BACKGROUND

[0002] The phosphorus removal agent is an article for coagulating and removing turbidity and removing phosphorus from urban water sources, which can achieve the purpose of deep phosphorus removal while coagulating and removing turbidity from urban water sources, so that the phosphorus content in the treated drinking water is reduced to below the limit value, without changing the original water treatment process and without adding large water treatment structures, which is simple, easy to operate, economical and practical, and can obtain significant social and economic benefits. During the production of the phosphorus removal agent, a filtering device is usually used to filter out the solid impurities mixed in the phosphorus removal agent solution, so as to facilitate the subsequent production and processing of the filtered phosphorus removal agent solution.

[0003] In the related art, a filtering device for phosphorus removal agent production is usually provided with a filter screen, which filters out the solid impurities in the phosphorus removal agent solution, and although it can meet the basic filtering requirements, it is found in actual use that there are at least the following deficiencies: when the filter screen is blocked by a large amount of filtered impurities, the filtering efficiency will decrease, and then the filter screen needs to be removed for cleaning or replacement, which cannot realize continuous filtering operation of the phosphorus removal agent solution, and reduces the filtering efficiency.

[0004] Therefore, the present application provides a filtering system for high-efficiency phosphorus removal agent production to solve the above problems. CONTENT OF THE INVENTION

[0005] The application provides a filtering system for high-efficiency phosphorus removal agent production to solve the problem that continuous filtering operation of the phosphorus removal agent solution cannot be realized and the filtering efficiency is reduced.

[0006] The above technical purpose of the application is achieved by the following technical scheme: a filtering system for high-efficiency phosphorus removal agent production, comprising a filtering box, four legs are fixedly installed at the bottom corners of the filtering box, two filtering cavities are formed in the filtering box, the top of each filtering cavity is of an open structure, the cross section of each filtering cavity is circular, an annular filter screen is arranged in each filtering cavity, two phosphorus removal agent inlet pipes are fixedly installed on the front side wall of the filtering box, the two phosphorus removal agent inlet pipes are respectively connected with the corresponding filtering cavities, an electromagnetic valve one is fixedly installed on each phosphorus removal agent inlet pipe, the front ends of the two phosphorus removal agent inlet pipes are fixedly connected with the same phosphorus removal agent input header pipe, two phosphorus removal agent discharge pipes are fixedly installed at the bottom of the filtering box, an electromagnetic valve two is fixedly installed on each phosphorus removal agent discharge pipe, and the bottom ends of the two phosphorus removal agent discharge pipes are fixedly connected with the same phosphorus removal agent output header pipe.

[0007] By adopting the technical scheme, two annular filter screens are arranged, and the two annular filter screens are used alternately, one annular filter screen filters the phosphorus removal agent solution, and the other annular filter screen is used as a backup, and then when the impurities intercepted by the annular filter screen used are relatively large, the annular filter screen used as a backup can be switched to use without stopping, the filtering operation of the phosphorus removal agent solution is continuously performed, and therefore the filtering efficiency of the phosphorus removal agent can be improved.

[0008] Optionally, the bottom inner wall of each of the two filtering cavities is fixedly provided with a positioning disc, the top of each of the two positioning discs is provided with a positioning groove, the bottom of each of the two annular filter screens extends into the corresponding positioning groove, and the top of each of the two phosphorus removal agent discharge pipes is in communication with the corresponding positioning groove and located in the corresponding annular filter screen.

[0009] By adopting the technical scheme, the positioning disc and the positioning groove are arranged to preliminarily position the installation position of the annular filter screen.

[0010] Optionally, the inner side wall of the positioning groove is fixedly provided with a limiting ring, and the inner circle of the limiting ring is in sliding contact with the outer side wall of the annular filter screen.

[0011] By adopting the technical scheme, the limiting ring is used to limit the annular filter screen to avoid displacement of the annular filter screen during use.

[0012] Optionally, the top of the filtering cavity is threadedly provided with a gland, and the bottom of the gland is in abutment with the top of the annular filter screen.

[0013] By adopting the technical scheme, the gland is used to press and fix the annular filter screen in the positioning groove on the top of the positioning disc.

[0014] Optionally, the bottom of the gland is fixedly provided with a vertical shaft, the bottom end of the vertical shaft is fixedly provided with an annular scraper, and the annular scraper is slidingly sleeved on the outer wall of the annular filter screen.

[0015] By adopting the technical scheme, the impurities filtered out from the inside of the filtering cavity can be scraped off and cleaned out by the annular scraper.

[0016] Optionally, the outer ring wall of the annular scraper is in sliding contact with the inner side wall of the filtering cavity, and the bottom of the annular scraper is in abutment with the top of the positioning disc.

[0017] By adopting the technical scheme, the impurities adhered to the inner wall of the filtering cavity and the outer side wall of the annular filter screen can be scraped off by the annular scraper, and the impurities can be prevented from entering the positioning groove.

[0018] Optionally, the top of the gland is fixedly provided with a rotating handle.

[0019] By adopting the technical scheme, the rotary handle is arranged to facilitate the rotation of the gland, and further facilitate the dismounting and mounting of the gland.

[0020] Optionally, an observation hole is arranged on the front side wall of the filtering cavity, and an observation mirror is fixedly arranged in the observation hole.

[0021] By adopting the technical scheme, the operator can observe the filtering condition in the filtering cavity in real time, and find and treat problems in time, so that the filtering process can be carried out smoothly.

[0022] The present application has at least one of the following beneficial technical effects:

[0023] The present application can control the two annular filter screens to be used alternately by the cooperation of the two electromagnetic valves one, the two electromagnetic valves two and the two annular filter screens, so that the filtering operation of the phosphorus removal agent solution can be continuously carried out without stopping, the filtering efficiency is improved, and the effect of efficiently filtering the phosphorus removal agent solution is achieved.

[0024] The present application can firmly press and fix the annular filter screen in the positioning groove on the top of the positioning disc by the gland, so that the stability of the annular filter screen during use is improved.

[0025] The present application can clean the outer wall of the annular filter screen and the inner wall of the filtering cavity by the annular scraper, reduce the attachment of impurities, and clean the filtered impurities out of the filtering cavity by the annular scraper. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a front view structural schematic diagram of the embodiment.

[0027] Figure 2 is a side view structural schematic diagram of the embodiment.

[0028] Figure 3 is a front view sectional structural schematic diagram of the embodiment.

[0029] Figure 4 is a top view sectional structural schematic diagram of the embodiment.

[0030] In the figure, 1 is a filtering box; 2 is a supporting leg; 3 is a filtering cavity; 4 is an annular filter screen; 5 is a phosphorus removal agent inlet pipe; 6 is an electromagnetic valve one; 7 is a phosphorus removal agent input main pipe; 8 is a phosphorus removal agent discharge pipe; 9 is an electromagnetic valve two; 10 is a phosphorus removal agent output main pipe; 11 is a positioning disc; 12 is a positioning groove; 13 is a limiting ring; 14 is a gland; 15 is a vertical shaft; 16 is an annular scraper; 17 is a rotary handle; 18 is an observation mirror. DETAILED DESCRIPTION

[0031] The following will be described in detail in combination with the accompanying drawings. Figures 1-4 The present application will be further described in detail. The present application has at least one of the following beneficial technical effects:

[0032] The embodiment of the application discloses a high-efficiency filtering system for producing phosphorus removal agent, which comprises a filtering box 1, supporting legs 2 fixedly installed at the bottom of the filtering box 1, two filtering cavities 3 formed in the filtering box 1, the top of the filtering cavity 3 being of an open structure, the cross section of the filtering cavity 3 being circular, and two annular filter screens 4 arranged in the two filtering cavities 3, wherein one of the annular filter screens 4 is used for filtering the phosphorus removal agent solution, and the other annular filter screen 4 is used as a backup, so that when the annular filter screen 4 in use intercepts a large amount of impurities, the annular filter screen 4 used as the backup can be switched to use without stopping the machine, the filtering operation on the phosphorus removal agent solution is continuously performed, and the filtering efficiency of the phosphorus removal agent is improved, two phosphorus removal agent inlet pipes 5 are fixedly installed on the front side wall of the filtering box 1, the two phosphorus removal agent inlet pipes 5 are communicated with the corresponding filtering cavities 3, an electromagnetic valve one 6 is fixedly installed on each of the two phosphorus removal agent inlet pipes 5, the same phosphorus removal agent input main pipe 7 is fixedly connected to the front ends of the two phosphorus removal agent inlet pipes 5, two phosphorus removal agent discharge pipes 8 are fixedly installed at the bottom of the filtering box 1, an electromagnetic valve two 9 is fixedly installed on each of the two phosphorus removal agent discharge pipes 8, and the same phosphorus removal agent output main pipe 10 is fixedly connected to the bottom ends of the two phosphorus removal agent discharge pipes 8.

[0033] In the embodiment, a positioning disc 11 is fixedly installed on the inner wall at the bottom of each of the two filtering cavities 3, a positioning groove 12 is formed in the top of each of the two positioning discs 11, and the bottom of each of the two annular filter screens 4 extends into the corresponding positioning groove 12, so that the installation position of the annular filter screen 4 is preliminarily positioned, the top end of each of the two phosphorus removal agent discharge pipes 8 is communicated with the corresponding positioning groove 12, and the top end of each of the two phosphorus removal agent discharge pipes 8 is located in the corresponding annular filter screen 4, so that the filtered phosphorus removal agent is discharged from the phosphorus removal agent discharge pipe 8.

[0034] In the embodiment, a limiting ring 13 is fixedly installed on the inner wall of the positioning groove 12, the inner ring of the limiting ring 13 is in sliding contact with the outer wall of the annular filter screen 4, the limiting ring 13 is used for limiting the annular filter screen 4 to avoid displacement of the annular filter screen 4 during use, and a gland 14 is threadedly installed at the top of the filtering cavity 3, the bottom of the gland 14 abuts against the top of the annular filter screen 4, and the gland 14 is used for tightly fixing the annular filter screen 4 in the positioning groove 12 at the top of the positioning disc 11, so that the stability of the annular filter screen 4 is further improved.

[0035] The bottom of the gland 14 is fixedly installed with a vertical shaft 15, the bottom end of the vertical shaft 15 is fixedly installed with an annular scraper 16, the annular scraper 16 is slidingly sleeved on the outer wall of the annular filter screen 4, the outer annular wall of the annular scraper 16 is in sliding contact with the inner side wall of the filtering cavity 3, the bottom of the annular scraper 16 is in abutment with the top of the positioning disc 11, the annular scraper 16 can clean the outer wall of the annular filter screen 4 and the inner wall of the filtering cavity 3, reduce the attachment of impurities, and the annular scraper 16 is convenient for cleaning the filtered impurities out of the filtering cavity 3.

[0036] In the embodiment, the top of the gland 14 is fixedly installed with a rotating handle 17, which facilitates the rotation of the gland 14 and facilitates the disassembly and assembly of the gland 14.

[0037] In the embodiment, an observation hole is formed in the front side wall of the filtering cavity 3, and an observation mirror 18 is fixedly installed in the observation hole, which facilitates the real-time observation of the filtering condition in the filtering cavity 3 by the operator. It should be noted that the observation mirror 18 can be made of transparent tempered glass, which has the advantages of good transparency and high strength and is not easy to break.

[0038] In the embodiment, it should be noted that a controller is fixedly installed on the outer side wall of the filtering box 1, a plurality of switch buttons are arranged on the controller, the two electromagnetic valves one 6 and the two electromagnetic valves two 9 are electrically connected with the controller, and the plurality of switch buttons can respectively control the opening and closing of the two electromagnetic valves one 6 and the two electromagnetic valves two 9. The line connection mode and the control mode belong to mature technologies in the art, and are fully disclosed, so they will not be described here.

[0039] Through the above structure, the working principle of the filtering system for producing high-efficiency phosphorus removal agent provided by the application is as follows:

[0040] The electromagnetic valve one 6 on the left side phosphorus removal agent inlet pipe 5 is opened, the electromagnetic valve two 9 on the left side phosphorus removal agent discharge pipe 8 is opened, and the electromagnetic valve one 6 on the right side phosphorus removal agent inlet pipe 5 and the electromagnetic valve two 9 on the right side phosphorus removal agent discharge pipe 8 are kept in the closed state. At this time, the phosphorus removal agent solution enters the left side filtering cavity 3 in sequence through the phosphorus removal agent input main pipe 7 and the left side phosphorus removal agent inlet pipe 5, and the impurities in the phosphorus removal agent solution are intercepted and filtered by the annular filter screen 4 in the left side filtering cavity 3, so that the impurities are retained on the outside of the annular filter screen 4 and in the space above the left side annular scraper 16. The filtered phosphorus removal agent solution is discharged in sequence through the left side phosphorus removal agent discharge pipe 8 and the phosphorus removal agent output main pipe 10, thereby realizing the filtering operation of the phosphorus removal agent. At this time, the right side annular filter screen 4 is in standby state.

[0041] When the filtered impurities in the left filter cavity 3 are relatively more, and the impurities need to be cleaned out and the left annular filter screen 4 needs to be cleaned or replaced, first, open the electromagnetic valve one 6 on the right phosphorus removal agent inlet pipe 5, and open the electromagnetic valve two 9 on the right phosphorus removal agent outlet pipe 8, and keep the electromagnetic valve one 6 on the left phosphorus removal agent inlet pipe 5 and the electromagnetic valve two 9 on the left phosphorus removal agent outlet pipe 8 in the closed state, at this time, the phosphorus removal agent solution enters the right filter cavity 3 in turn through the phosphorus removal agent input main pipe 7 and the right phosphorus removal agent inlet pipe 5, and the impurities in the phosphorus removal agent solution can be intercepted and filtered by using the annular filter screen 4 in the right filter cavity 3, and the filtered phosphorus removal agent solution is discharged in turn through the right phosphorus removal agent outlet pipe 8 and the phosphorus removal agent output main pipe 10, thereby realizing continuous filtering of the phosphorus removal agent solution without stopping, improving the filtering efficiency, and realizing the effect of high-efficiency filtering of the phosphorus removal agent solution.

[0042] Then, rotate the left rotating handle 17 to rotate the left gland 14 out of the filter cavity 3, at this time, the vertical shaft 15 and the annular scraper 16 at the bottom of the left gland 14 will rotate together, after the left gland 14 is rotated out of the filter cavity 3, the gland 14 can be pulled down, the vertical shaft 15 and the annular scraper 16 are vertically raised, the impurities attached to the outer wall of the annular filter screen 4 and the inner wall of the filter cavity 3 can be scraped off by the annular scraper 16, and the impurities can be cleaned out of the left filter cavity 3, then the annular filter screen 4 in the left filter cavity 3 can be taken out for cleaning or replacement, after the annular filter screen 4 is cleaned or replaced, the annular filter screen 4 can be installed back into the positioning groove 12 in the left filter cavity 3, the gland 14 is tightened on the top of the left filter cavity 3 and tightly abuts against the top of the annular filter screen 4, and the installation of the annular filter screen 4 is completed, at this time, the left annular filter screen 4 serves as a backup, and the two annular filter screens 4 can be used alternately.

[0043] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A filtration system for the production of a high-efficiency phosphorus removal agent, characterized in that, The filter box (1) includes a filter box (1) with four fixed support legs (2) at the bottom corners. The filter box (1) has two filter chambers (3) with open tops and circular cross-sections. Both filter chambers (3) are equipped with annular filter screens (4). Two dephosphorizing agent inlet pipes (5) are fixedly installed on the front side wall of the filter box (1). The two dephosphorizing agent inlet pipes (5) are connected to the corresponding filter chambers (3). Solenoid valve 1 (6) is fixedly installed on both dephosphorizing agent inlet pipes (5). The front ends of the two dephosphorizing agent inlet pipes (5) are fixedly connected to the same dephosphorizing agent input main pipe (7). Two dephosphorizing agent outlet pipes (8) are fixedly installed at the bottom of the filter box (1). Solenoid valve 2 (9) is fixedly installed on both dephosphorizing agent outlet pipes (8). The bottom ends of the two dephosphorizing agent outlet pipes (8) are fixedly connected to the same dephosphorizing agent output main pipe (10).

2. The filtration system for producing high-efficiency phosphorus removal agent according to claim 1, characterized in that: Positioning discs (11) are fixedly installed on the bottom inner walls of the two filter chambers (3). Positioning grooves (12) are opened on the top of the two positioning discs (11). The bottoms of the two annular filters (4) extend into the corresponding positioning grooves (12). The tops of the two phosphorus removal agent discharge pipes (8) are connected to the corresponding positioning grooves (12), and the tops of the two phosphorus removal agent discharge pipes (8) are located in the corresponding annular filters (4).

3. The filtration system for producing high-efficiency phosphorus removal agent according to claim 2, characterized in that: A limiting ring (13) is fixedly installed on the inner wall of the positioning groove (12), and the inner ring of the limiting ring (13) slides in contact with the outer wall of the annular filter (4).

4. The filtration system for producing high-efficiency phosphorus removal agent according to claim 2, characterized in that: The top of the filter chamber (3) is threaded with a pressure cap (14), the bottom of which abuts against the top of the annular filter screen (4).

5. The filtration system for producing high-efficiency phosphorus removal agent according to claim 4, characterized in that: A vertical shaft (15) is fixedly installed at the bottom of the pressure cap (14), and an annular scraper (16) is fixedly installed at the bottom end of the vertical shaft (15). The annular scraper (16) is slidably mounted on the outer wall of the annular filter screen (4).

6. The filtration system for producing high-efficiency phosphorus removal agent according to claim 5, characterized in that: The outer ring wall of the annular scraper (16) slides in contact with the inner wall of the filter chamber (3), and the bottom of the annular scraper (16) abuts against the top of the positioning disk (11).

7. The filtration system for producing high-efficiency phosphorus removal agent according to claim 4, characterized in that: A rotating handle (17) is fixedly installed on the top of the pressure cap (14).

8. The filtration system for producing high-efficiency phosphorus removal agent according to claim 1, characterized in that: An observation port is provided on the front side wall of the filter chamber (3), and an observation mirror (18) is fixedly installed in the observation port.

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