A backwash filter apparatus having a reservoir

Abstract

The utility model provides a kind of backwashing filter equipment with liquid storage tank, including filter jar and liquid storage tank, filter jar is equipped with filter cartridge, liquid delivery pipe is connected on the liquid storage tank, the filter cartridge is communicated with the liquid storage tank by the liquid delivery pipe;Cleaning assembly is rotatably installed on the filter jar, and the cleaning assembly is rotatably connected with the filter jar;Backflush pipe is connected on the liquid storage tank, and the liquid storage tank and the filter jar are connected by the backflush pipe, the end of the backflush pipe away from the liquid storage tank is rotatably connected with the cleaning assembly, driving device for driving the cleaning assembly rotation is provided on the filter jar, backflush pump is connected on the backflush pipe;The utility model can solve the problem that the time of contacting filter in reverse fluid flushing process in the prior art is shorter, the filter cartridge in filter cannot be washed at multiple angles, and it is not easy to peel off deep-attached impurities.

Description

Technical Field

[0001] This utility model relates to the field of filtration equipment technology, specifically a backwashing filtration device with a liquid storage tank. Background Technology

[0002] In filtration systems, solution filtration equipment typically uses cartridge-type mechanical filters. After a period of operation, the filter cartridges need to be replaced due to clogging. The usual practice is to install a backup filter or a filter bypass line. This process is often time-consuming, labor-intensive, and has high operating and maintenance costs.

[0003] To address the problems existing in the prior art, utility model CN214714931U discloses a fully automatic intelligent filtration device (hereinafter referred to as Prior Art 1), comprising a first-stage filter, the first-stage filter being provided with an automatic drain port for self-cleaning and external discharge of sludge liquid; a buffer tank for receiving the sludge liquid discharged from the automatic drain port of the first-stage filter, the buffer tank being connected to the automatic drain port of the first-stage filter via a first conveying pipe; a second-stage filter, the top of the second-stage filter being connected to the buffer tank via a second conveying pipe, a filter pump being provided between the bottom of the buffer tank and the second conveying pipe, and a drain pipe being provided at the bottom of the second-stage filter;

[0004] The backwash water pipe in the prior art 1 can deliver backwash water and backwash the second-stage filter, which is beneficial for removing filter residue in the second-stage filter. However, the contact time between the backflow and the filter in the prior art 1 is short, which makes it impossible to rinse the filter element inside the filter from multiple angles and makes it difficult to remove deep-seated impurities. Utility Model Content

[0005] The purpose of this invention is to provide a backwashing filtration device with a liquid storage tank, which can solve the problems in the prior art where the contact time with the filter during the reverse fluid flushing process is too short, making it impossible to flush the filter element inside the filter from multiple angles and making it difficult to remove deeply attached impurities.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] A backwashing filtration device with a storage tank includes a filter tank and a storage tank. A filter cartridge is installed inside the filter tank, and a liquid delivery pipe is connected to the storage tank. The filter cartridge is connected to the storage tank through the liquid delivery pipe.

[0008] A cleaning assembly is rotatably mounted on the filter tank, and the cleaning assembly is rotatably connected to the filter tank; a backflush pipe is connected to the storage tank, and the storage tank and the filter tank are connected through the backflush pipe. The end of the backflush pipe away from the storage tank is rotatably connected to the cleaning assembly. A drive device for driving the cleaning assembly to rotate is provided on the filter tank, and a backflush pump is connected to the backflush pipe.

[0009] The cleaning assembly is equipped with a scraper, and the filter tank is equipped with a waste liquid pipe and an inlet liquid pipe.

[0010] Preferably, the cleaning assembly includes a rotating tube and a plurality of first flushing tubes, the first flushing tubes being installed sequentially on the rotating tube from top to bottom.

[0011] Preferably, the first flushing pipe is inclined downwards.

[0012] Preferably, the scraper is connected to the rotating pipe, and the scraper is offset from the first flushing pipe.

[0013] Preferably, a liquid pump is installed on the waste liquid pipe.

[0014] Preferably, the driving device includes a drive motor, a driving gear, and a driven gear. The drive motor is mounted on the filter tank and is used to drive the driving gear to rotate. The driven gear is mounted on the rotating tube and meshes with the driving gear.

[0015] Preferably, the filter tank and the storage tank are detachably fitted with tank lids.

[0016] Preferably, the scraper is provided with a scraping bevel.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] In this invention, when it is necessary to clean the impurities remaining in the filter holes, the inlet pipe stops feeding the liquid to be filtered into the filter tank, and the inlet pump draws the filtered liquid into the storage tank and then shuts off; after the backwash pump installed on the backwash pipe is started, it can draw the liquid in the storage tank into the filter cartridge and backwash the filter holes; the drive device can drive the cleaning assembly to rotate, thereby cleaning the inner wall of the filter cartridge and the filter holes;

[0019] When the driving device drives the cleaning assembly to rotate, the scraper rotates together with the cleaning assembly to scrape off the impurities attached to the outer wall of the filter cartridge. Through the cooperation of the cleaning assembly and the scraper, the impurities attached to the inner and outer walls of the filter cartridge can be thoroughly cleaned. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 This is a perspective view of the present invention.

[0022] Figure 2 This is a schematic diagram of the structure of this utility model.

[0023] Figure 3 This utility model Figure 2 A magnified view of a portion of point A in the middle.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 101-Filter tank, 102-Storage tank, 103-Filter cartridge, 104-Liquid delivery pipe, 105-Cleaning assembly, 106-Backflush pipe, 107-Drive device, 108-Scraper, 109-Rotating pipe, 110-First flushing pipe, 111-Drive motor, 112-Drive gear, 113-Driven gear, 114-Tank cover, 115-Liquid inlet pipe. Detailed Implementation

[0026] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0027] In the description of the embodiments of this utility model, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0029] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0030] In this embodiment of the invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0031] The following disclosure provides many different implementations or examples for different structures of the embodiments of the present invention. To simplify the disclosure of the embodiments of the present invention, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. Furthermore, reference numerals and / or reference letters may be repeated in different examples of the embodiments of the present invention; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various implementations and / or arrangements discussed.

[0032] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0033] See Figures 1-3 This embodiment discloses a filtration device for backwashing a filter cartridge 103. Specifically, it is a backwashing filtration device with a storage tank, including a filter tank 101 and a storage tank 102. The filter cartridge 103 is installed in the filter tank 101, and a liquid delivery pipe 104 is connected to the storage pipe. The filter cartridge 103 is connected to the storage tank 102 through the liquid delivery pipe 104.

[0034] A cleaning assembly 105 is rotatably mounted on the filter tank 101, and the cleaning assembly 105 is rotatably connected to the filter tank 101; a backflushing pipe 106 is connected to the liquid storage tank 102, and the liquid storage tank 102 and the filter tank 101 are connected through the backflushing pipe 106. One end of the backflushing pipe 106 away from the liquid storage tank 102 is rotatably connected to the cleaning assembly 105. A driving device 107 for driving the cleaning assembly 105 to rotate is provided on the filter tank 101, and a backflushing pump is connected to the backflushing pipe 106.

[0035] The cleaning assembly 105 is connected to a scraper 108, and the filter tank 101 is connected to a waste liquid pipe and an inlet pipe 115.

[0036] In this embodiment, the cleaning component 105 is rotatably connected to the backflushing pipe 106 via a rotating sealing sleeve, which is a conventional sealing element in the prior art. The liquid to be filtered enters the filter tank 101 through the inlet pipe 115. The filter cartridge 103 is provided with filter holes. After the liquid to be filtered enters the filter cartridge 103 from the outside to the inside through the filter holes, the filter holes can intercept particles and impurities in the liquid, thereby achieving filtration of the liquid. The filtered liquid in the filter cartridge 103 enters the storage tank 102 through the delivery pipe 104 connecting the filter cartridge 103 and the storage tank 102 for collection. In this embodiment, a delivery pump is installed on the delivery pipe 104, which is used to pump the filtered liquid into the storage tank 102 to improve the filtration efficiency and filtration effect. When it is necessary to clean the impurities remaining in the filter holes, the inlet pipe 115 stops feeding the liquid to be filtered into the filter tank 101. The liquid is filtered in the filter tank 101 and then pumped into the storage tank 102 by the inlet pump and then shut off. After the backwash pump installed on the backwash pipe 106 is started, it can pressurize the liquid in the storage tank 102 and pump it into the filter cartridge 103 to backwash the filter holes. The drive device 107 can drive the cleaning component 105 to rotate, thereby cleaning the inner wall and filter holes of the filter cartridge 103. The scraper 108 is connected to the cleaning component 105. When the drive device 107 drives the cleaning component 105 to rotate, the scraper 108 rotates with the cleaning component 105 to scrape off the impurities attached to the outer wall of the filter cartridge 103. Through the cooperation of the cleaning component 105 and the scraper 108, the impurities attached to the inside and outside of the filter cartridge 103 can be thoroughly cleaned. The impurities that are washed off enter the filter tank 101 from the inside to the outside and are then discharged through the waste liquid pipe connected to the filter tank 101.

[0037] In some embodiments, the cleaning assembly 105 includes a rotating tube 109 and a plurality of first flushing tubes 110, which are sequentially mounted on the rotating tube 109 from top to bottom. In this embodiment, the rotating tube 109 is rotatably connected to the backflushing tube 106 via a rotating sealing sleeve, which is a conventional sealing element in the prior art. The rotating tube 109 communicates with the first backflushing tube 106. The driving device 107 is used to drive the rotating tube 109 to rotate. By providing a plurality of first flushing tubes 110, the first flushing tubes 110 can perform multi-point flushing of the filter cartridge 103 as the rotating tube 109 rotates, further improving the flushing efficiency and flushing effect.

[0038] In some embodiments, the first flushing pipe 110 is inclined downwards. When the backflushing liquid forms an inclined downward flow through the first flushing pipe 110 to flush the filter cartridge 103, the backflushing liquid can accelerate the water flow speed due to gravity, increase the impact force on the filter holes, and more effectively remove particles or dirt attached to the surface of the filter holes, avoiding the problem of insufficient impact force due to gravity offset during horizontal or upward flushing; and the inclined downward design can guide the sewage to move downstream to the outside of the filter cartridge 103 and directly enter the waste liquid pipe provided at the bottom of the filter tank 101, reducing the residual wastewater in the filter cartridge 103 and improving the flushing efficiency. When flushing the filter holes horizontally or upwards, the wastewater generated after flushing is easy to flow back into the first flushing pipe 110. The downward inclination of the first flushing pipe 110 can prevent the wastewater backflow from clogging the first flushing pipe 110.

[0039] In some embodiments, the scraper 108 is connected to the rotating pipe 109, and the scraper 108 is offset from the first flushing pipe 110. This offset arrangement prevents the high-pressure water jet from the first flushing pipe 110 from directly impacting the scraper 108 area, which could be blocked by the scraper 108, weakening the water flow's penetration into the filter holes and reducing flushing efficiency. The offset arrangement ensures unobstructed water flow, maximizing impact force; and the wastewater from the first flushing pipe 110 needs to be quickly discharged from the filter cartridge 103. If the scraper 108 overlaps with the wastewater, it could obstruct the wastewater flow path, causing secondary adhesion of contaminants. The offset arrangement allows the wastewater to drain smoothly in the direction unobstructed by the scraper 108.

[0040] In some embodiments, a pump is installed on the wastewater pipe. Once started, the pump can draw up the wastewater backflowed into the filter tank 101, further improving the wastewater discharge efficiency and effectiveness.

[0041] In some embodiments, the driving device 107 includes a drive motor 111, a driving gear 112, and a driven gear 113. The drive motor 111 is mounted on the filter tank 101 and drives the driving gear 112 to rotate. The driven gear 113 is mounted on the rotating tube 109 and meshes with the driving gear 112. The driving gear 112 is coaxially fixedly sleeved on the driving end of the drive motor 111. When the drive motor 111 drives the driving gear 112 to rotate, it can drive the driven gear 113 meshing with the driving gear 112 and the rotating tube 109 to rotate.

[0042] In some embodiments, a lid 114 is detachably installed on the filter tank 101 and the storage tank 102. In this embodiment, the lid 114 is detachably connected to the filter tank 101 and the storage tank 102 by bolts, which facilitates the maintenance of the filter cartridge 103 and scraper 108 in the filter tank 101 and the cleaning of the storage tank 102.

[0043] In some embodiments, the scraper 108 is provided with a scraping slope. The scraping slope can reduce the contact area between the scraper 108 and the surface of the filter cartridge 103, thereby increasing the local pressure and making it easier to peel off the dirt attached to the outer wall of the filter cartridge 103.

[0044] In some embodiments, a three-way valve is installed on the backflushing pipe 106. The inlet end of the three-way valve is connected to the outlet end of the backflushing pipe 106. The first outlet end of the three-way valve is connected to the rotating pipe 109. A second backflushing pipe 106 is connected to the second outlet end of the three-way valve. The second backflushing pipe 106 is connected to the scraper 108 and is used to rinse the impurities remaining on the scraper 108. In this embodiment, the outlet end of the second flushing pipe is positioned towards the scraper 108. When the outlet end of the three-way valve is connected to the inlet end of the rotating pipe 109, the first flushing pipe 110 and the scraper 108 cooperate to clean the impurities remaining on the inner and outer sides of the filter cartridge 103. When the outlet end of the three-way valve is connected to the inlet end of the second flushing pipe, the second flushing pipe can flush the impurities remaining on the scraper 108, preventing impurities from remaining on the scraper 108 after it scrapes the outer wall of the filter cartridge 103. Depending on the actual needs, the backflushing pipe 106 can also be controlled to simultaneously input high-pressure flushing fluid into the first flushing pipe 110 and the second flushing pipe to improve the cleaning efficiency of the filter cartridge 103 and the scraper 108. The three-way valve is a conventional valve body in the prior art, and its structure and function will not be described in detail here.

[0045] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0046] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A backwashing filtration device with a liquid storage tank, characterized in that: It includes a filter tank (101) and a storage tank (102). The filter tank (101) is equipped with a filter cartridge (103). The storage tank (102) is connected to a liquid delivery pipe (104). The filter cartridge (103) is connected to the storage tank (102) through the liquid delivery pipe (104). A cleaning assembly (105) is rotatably mounted on the filter tank (101), and the cleaning assembly (105) is rotatably connected to the filter tank (101); a backflushing pipe (106) is connected to the liquid storage tank (102), and the liquid storage tank (102) and the filter tank (101) are connected through the backflushing pipe (106). One end of the backflushing pipe (106) away from the liquid storage tank (102) is rotatably connected to the cleaning assembly (105). A driving device (107) for driving the cleaning assembly (105) to rotate is provided on the filter tank (101), and a backflushing pump is connected to the backflushing pipe (106). The cleaning assembly (105) is connected to a scraper (108), and the filter tank (101) is connected to a waste liquid pipe and an inlet liquid pipe (115).

2. The backwashing filtration device with a storage tank according to claim 1, characterized in that: The cleaning assembly (105) includes a rotating tube (109) and a plurality of first flushing tubes (110), the first flushing tubes (110) being installed sequentially from top to bottom on the rotating tube (109).

3. The backwashing filtration device with a storage tank according to claim 2, characterized in that: The first flushing pipe (110) is inclined downward.

4. A backwashing filtration device with a storage tank according to claim 2, characterized in that: The scraper (108) is connected to the rotating tube (109), and the scraper (108) is offset from the first flushing tube (110).

5. A backwashing filtration device with a storage tank according to claim 1, characterized in that: A liquid pump is installed on the waste liquid pipe.

6. A backwashing filtration device with a storage tank according to claim 2, characterized in that: The drive device (107) includes a drive motor (111), a drive gear (112), and a driven gear (113). The drive motor (111) is mounted on the filter tank (101) and is used to drive the drive gear (112) to rotate. The driven gear (113) is mounted on the rotating tube (109) and meshes with the drive gear (112).

7. A backwashing filtration device with a storage tank according to claim 2, characterized in that: The filter tank (101) and the storage tank (102) are detachably fitted with tank lids (114).

8. A backwashing filtration device with a storage tank according to claim 1, characterized in that: The scraper (108) is provided with a scraping slope.

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