Sewage multi-stage purification equipment

Abstract

The utility model belongs to the technical field of sewage purification equipment, and discloses sewage multi-stage purification equipment which comprises two filtering pieces, filtering cavities are formed in the filtering pieces, a liquid inlet three-way pipe is fixedly connected between liquid inlet ends of the two filtering pieces, a liquid outlet three-way pipe is fixedly connected between liquid outlet ends of the two filtering pieces, and the filtering cavities are communicated with the liquid inlet three-way pipe. Solenoid valves are installed at the liquid inlet end and the liquid outlet end of the filtering piece, the filtering piece comprises a shell, three inserting grooves are sequentially formed in the top of the shell in the length direction of the shell, and a first filtering frame, a second filtering frame and a third filtering frame are installed in the three inserting grooves one by one in the sewage conveying direction. The first filter frame, the second filter frame and the third filter frame are respectively internally provided with a filter screen, an activated carbon filler and an ultrafiltration membrane, the electromagnetic valve of one filter piece needing to be cleaned is closed, and the electromagnetic valve on the other filter piece is opened, so that sewage needing to be treated flows into the filter piece which does not need to be cleaned through the liquid inlet three-way pipe, and the filter screen, the activated carbon filler and the ultrafiltration membrane are arranged in the first filter frame, the second filter frame and the third filter frame. And the device does not need to be shut down during cleaning.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage purification equipment, and in particular relates to multi-stage sewage purification equipment. Background Art

[0002] With the acceleration of industrialization and the improvement of urbanization, the amount of sewage discharged has increased dramatically, causing serious pollution to the water environment. Therefore, it is necessary to use purification equipment to purify the sewage, but the existing purification equipment has certain defects when used. For example, in the Chinese patent with the announcement number "CN 219567745 U", a multi-stage purification device for sewage treatment is disclosed, which includes a first box body, a water inlet is opened on the top of the first box body, a first filter is fixedly connected to the upper position inside the first box body, a stirring motor is bolted to the top of the first box body, and the output end of the stirring motor is fixedly connected to a rotating shaft, the rotating shaft passes through the first filter screen, and the rotating shaft and the first filter screen are rotatably connected. The part of the rotating shaft located above the first filter screen is bolted to a scraper, and the part of the rotating shaft located below the first filter screen is bolted to a stirring rod. The side of the first box body that is flush with the first filter screen is opened with a plurality of discharge ports, and a trash can is detachably connected to the outer side of the first box body at the position corresponding to the discharge port. A second filter screen is fixedly connected to the trash can. A return water port is opened at the position below the discharge port of the first box body. The lower part of the garbage bin is connected to the first box body through a return water port, a medicine delivery box is fixedly connected to the outer side surface of the first box body, a second box body is provided on one side of the first box body, a water pump is bolted to the second box body, the first box body and the second box body are connected to the water pump through a connecting pipe, a first filter layer is provided in the middle of the second box body, a second filter layer is provided at the bottom of the second box body, and a water outlet is provided at the bottom of the second box body. Although the device can purify sewage, as the use time increases, impurities in the sewage will remain inside the device. In order to allow the device to filter sewage normally, the filter structure of the device needs to be cleaned or replaced regularly. When cleaning or replacing, the device needs to be shut down for a long time before it can purify sewage again, which increases the difficulty of the device in purifying sewage and reduces the efficiency of the device in purifying sewage. Utility Model Content

[0003] The purpose of the present invention is to provide a multi-stage sewage purification device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a multi-stage sewage purification device, comprising two filter elements, wherein a filter cavity for filtering sewage is formed inside the filter element, a liquid inlet tee is fixedly connected between the liquid inlet ends of the two filter elements, and a liquid outlet tee is fixedly connected between the liquid outlet ends of the two filter elements, and an electromagnetic valve is installed on the liquid inlet end and the liquid outlet end of the filter element.

[0005] The filter element includes an outer shell, and three slots are sequentially opened on the top of the outer shell along its length direction. The first filter frame, the second filter frame and the third filter frame are installed one by one inside the three slots along the sewage transportation direction. The first filter frame, the second filter frame and the third filter frame are respectively installed with a filter screen, an activated carbon filler and an ultrafiltration membrane.

[0006] Describingly, the tops of the first filter frame, the second filter frame, and the third filter frame are all fixedly connected to a top plate, and the top of the top plate is fixedly connected to a handle.

[0007] Said liquid outlet end of the shell is fixedly connected with a liquid outlet pipe, and the liquid inlet end of the shell is fixedly connected with a liquid inlet pipe, and the solenoid valve is installed inside the liquid outlet pipe and the liquid inlet pipe.

[0008] Said method is to fix a pressure pump on the liquid inlet three-way pipe, and the liquid inlet end of the pressure pump extends to the interior of the liquid inlet three-way pipe.

[0009] Said supporting member is provided under the shell, and said supporting member comprises a bracket, the top of said bracket is opened to form a placement groove, and the bottom of said bracket is fixedly connected with a foot.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] (1) When personnel need to clean the filter element, the utility model closes the solenoid valve of the filter element that needs to be cleaned and opens the solenoid valve on the other filter element, so that the sewage that needs to be treated flows through the liquid inlet three-way pipe to the inside of the filter element that does not need to be cleaned, so that the device does not need to be shut down for cleaning, which reduces the difficulty of the device in purifying sewage and improves the efficiency of the device in purifying sewage.

[0012] (2) The utility model inserts the first filter frame, the second filter frame and the third filter frame into the interior of the three slots respectively, so that the filter screen, the activated carbon filler and the ultrafiltration membrane are installed inside the shell. When personnel need to replace or clean the filter screen, the activated carbon filler and the ultrafiltration membrane, they only need to pull the first filter frame, the second filter frame and the third filter frame to move the filter screen, the activated carbon filler and the ultrafiltration membrane to the interior of the shell, making the device easier to clean, further reducing the difficulty of the device in purifying sewage, and improving the efficiency of the device in purifying sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the utility model;

[0014] Figure 2 A three-dimensional diagram of the support member of the present invention;

[0015] Figure 3 A three-dimensional diagram of the filter element of the present invention;

[0016] Figure 4 This is an exploded view of the filter element of the utility model;

[0017] In the figure: 1. Support member; 11. Bracket; 12. Placement groove; 13. Base; 2. Filter element; 21. Housing; 22. Liquid outlet pipe; 23. Solenoid valve; 24. Top plate; 25. Handle; 26. Liquid inlet pipe; 27. Slot; 28. First filter frame; 29. Filter screen; 210. Activated carbon filler; 211. Second filter frame; 212. Ultrafiltration membrane; 213. Third filter frame; 3. Pressure pump; 4. Liquid inlet tee; 5. Liquid outlet tee. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figures 1-4 As shown, the utility model provides the following technical solutions:

[0020] A multi-stage sewage purification device includes two filter elements 2, a filter cavity for filtering sewage is formed inside the filter elements 2, an inlet tee 4 is fixedly connected between the liquid inlet ends of the two filter elements 2, and a liquid outlet tee 5 is fixedly connected between the liquid outlet ends of the two filter elements 2, and an electromagnetic valve 23 is installed on the liquid inlet end and the liquid outlet end of the filter element 2.

[0021] Through the above technical solution, when personnel need to purify sewage, the sewage conveying pipe is connected to the liquid inlet tee 4, and the solenoid valve 23 on the liquid inlet end and the liquid outlet end of one of the filter elements 2 is opened. After the sewage is conveyed to the inside of the liquid inlet tee 4, the sewage is guided by the liquid inlet tee 4 so that the sewage is conveyed to the inside of the filter element 2 through the liquid inlet end on the filter element 2, and the sewage is purified and filtered by the filter element 2, and the purified and filtered sewage is discharged through the liquid outlet end of the filter element 2. When personnel need to clean the filter element 2, the solenoid valve 23 on the liquid inlet end and the liquid outlet end of the filter element 2 that needs to be cleaned is closed, and the solenoid valve 23 on the liquid inlet end and the liquid outlet end of the other filter element 2 is opened to convey the sewage to the inside of the other filter element 2 for filtration. The personnel can then clean the filter element 2 corresponding to the closed solenoid valve 23, so that the device can filter sewage normally when cleaning.

[0022] In addition, in the present invention, regarding the filter element 2:

[0023] like Figure 1 、 Figure 3-Figure 4As shown, the filter element 2 includes a shell 21, and three slots 27 are sequentially opened on the top of the shell 21 along its own length direction. The first filter frame 28, the second filter frame 211 and the third filter frame 213 are installed one by one inside the three slots 27 along the sewage transportation direction. The first filter frame 28, the second filter frame 211 and the third filter frame 213 are respectively installed with a filter screen 29, an activated carbon filler 210 and an ultrafiltration membrane 212.

[0024] In this embodiment, the first filter frame 28, the second filter frame 211 and the third filter frame 213 are inserted into the three slots 27 in sequence, and the filter screen 29, the activated carbon filler 210 and the ultrafiltration membrane 212 are installed into the interior of the shell 21. When the sewage is transported to the interior of the shell 21, the sewage is filtered in sequence by the filter screen 29, the activated carbon filler 210 and the ultrafiltration membrane 212, thereby removing impurities in the sewage. After the sewage is filtered, it is discharged through the shell 21.

[0025] When personnel need to replace or clean the filter screen 29, the activated carbon filler 210 and the ultrafiltration membrane 212, in order to facilitate the first filter frame 28, the second filter frame 211 and the third filter frame 213 to be pulled out, Figure 3-Figure 4 As shown, the tops of the first filter frame 28 , the second filter frame 211 and the third filter frame 213 are all fixedly connected to a top plate 24 , and the top of the top plate 24 is fixedly connected to a handle 25 .

[0026] In this embodiment, when personnel need to take out the first filter frame 28, the second filter frame 211 and the third filter frame 213, the top plate 24 is pulled by the handle 25, so that the top plate 24 drives the first filter frame 28, the second filter frame 211 and the third filter frame 213 to move, thereby allowing the filter screen 29, the activated carbon filler 210 and the ultrafiltration membrane 212 to move to the outside of the housing 21, making it easier for personnel to clean or replace the filter screen 29, the activated carbon filler 210 and the ultrafiltration membrane 212.

[0027] How to install the solenoid valve 23? Figure 1 、 Figure 3-Figure 4 As shown, the liquid outlet end of the housing 21 is fixedly connected to a liquid outlet pipe 22 , the liquid inlet end of the housing 21 is fixedly connected to a liquid inlet pipe 26 , and the solenoid valve 23 is installed inside the liquid outlet pipe 22 and the liquid inlet pipe 26 .

[0028] In this embodiment, sewage is input into the interior of the housing 21 through the liquid inlet pipe 26 . After the sewage is filtered through the filter screen 29 , the activated carbon filler 210 and the ultrafiltration membrane 212 , the filtered sewage is discharged through the liquid outlet pipe 22 .

[0029] Furthermore, in the present invention, how the water is pressurized and delivered to the interior of the device is as follows: Figure 1 As shown, the pressure pump 3 is fixedly connected to the liquid inlet three-way pipe 4, and the liquid inlet end of the pressure pump 3 extends to the interior of the liquid inlet three-way pipe 4.

[0030] In this embodiment, the sewage transport pipe is connected to the liquid inlet end of the pressure pump 3. The pressure pump 3 works to extract sewage and pressurize it to the inside of the liquid inlet tee 4. The sewage is then transported to the inside of the shell 21 through the liquid inlet tee 4.

[0031] When the device is working, in order to keep the device stable, such as Figure 1-Figure 2 As shown, a support member 1 is provided below the housing 21 , and the support member 1 includes a bracket 11 , the top of the bracket 11 is open to form a placement slot 12 , and a foot 13 is fixedly connected to the bottom of the bracket 11 .

[0032] In this embodiment, the bracket 11 is supported by the base 13, and the housing 21 is supported by the placement groove 12 on the bracket 11, so that the device is more stable when working.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage sewage purification device, characterized by: The invention comprises two filter elements (2), wherein a filter cavity for filtering sewage is formed inside the filter elements (2), a liquid inlet tee (4) is fixedly connected between the liquid inlet ends of the two filter elements (2), and a liquid outlet tee (5) is fixedly connected between the liquid outlet ends of the two filter elements (2), and a solenoid valve (23) is installed on the liquid inlet end and the liquid outlet end of the filter element (2), and the filter element (2) comprises a shell (21), and three slots (27) are sequentially opened on the top of the shell (21) along its own length direction, and a first filter frame (28), a second filter frame (211) and a third filter frame (213) are installed one by one inside the three slots (27) along the sewage conveying direction, and a filter screen (29), an activated carbon filler (210) and an ultrafiltration membrane (212) are installed inside the first filter frame (28), the second filter frame (211) and the third filter frame (213), respectively.

2. The multi-stage sewage purification equipment according to claim 1, characterized in that: The tops of the first filter frame (28), the second filter frame (211), and the third filter frame (213) are all fixedly connected to a top plate (24), and the top of the top plate (24) is fixedly connected to a handle (25).

3. A multi-stage sewage purification device according to claim 1 or 2, characterized in that: The liquid outlet end of the housing (21) is fixedly connected to a liquid outlet pipe (22), the liquid inlet end of the housing (21) is fixedly connected to a liquid inlet pipe (26), and the solenoid valve (23) is installed inside the liquid outlet pipe (22) and the liquid inlet pipe (26).

4. A multi-stage sewage purification device according to claim 1 or 2, characterized in that: The liquid inlet three-way pipe (4) is fixedly connected to a pressure pump (3), and the liquid inlet end of the pressure pump (3) extends to the interior of the liquid inlet three-way pipe (4).

5. The multi-stage sewage purification equipment according to claim 1, characterized in that: A support member (1) is provided below the housing (21), and the support member (1) comprises a bracket (11). The top of the bracket (11) is open to form a placement groove (12), and the bottom of the bracket (11) is fixedly connected to a foot (13).

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