Filtering device and filtering system

Abstract

The utility model discloses a filtering device and a filtering system, which comprise a filtering container, a net rack is arranged in the filtering container, a reverse osmosis membrane is arranged on the outer wall of the net rack, a liquid inlet cavity is formed in the inner cavity of the filtering container outside the net rack, a liquid outlet cavity is formed in the net rack, and the reverse osmosis membrane is arranged on the outer wall of the net rack. The filtering container is provided with a liquid inlet communicated with the liquid inlet cavity and a liquid outlet communicated with the liquid outlet cavity, and a cleaning assembly which is relatively movably matched with the outer wall of the net rack is arranged in the liquid inlet cavity. According to the technical scheme of the utility model, during use, wastewater is communicated with the liquid inlet to enter the liquid inlet cavity, is filtered by the reverse osmosis membrane and is discharged from the liquid outlet communicated with the interior of the net rack for recycling, and impurities in liquid are filtered by the reverse osmosis membrane, so that the quality of the wastewater is improved. Impurities attached to the outer wall of the reverse osmosis membrane after filtration can be cleaned through the cleaning assembly, so that the service life of the reverse osmosis membrane is prolonged.

Description

Technical Field

[0001] The utility model is used in the field of filtering devices, in particular to a filtering device and a filtering system. Background Art

[0002] Industrial circulating water filtration reduces the turbidity of water by removing impurities and pollutants from the water. If there are requirements for the quality of circulating water, it is necessary to cooperate with reverse osmosis membrane to further enhance the filtration of water quality. Especially in the textile industry, during the production process of textiles, textiles need to be washed, dried, and ironed. During the washing process of textiles, in order to save water resources, the used water needs to be recycled and filtered for reuse.

[0003] Currently, reverse osmosis filter elements are mostly used for water filtration. The filter elements need to be replaced, removed and cleaned regularly to ensure normal penetration and circulation filtration.

[0004] This method of disassembling the filter element is not only cumbersome, but also requires regular cleaning of impurities deposited at the bottom of the filter container to ensure that subsequent circulation filtration proceeds normally. Utility Model Content

[0005] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a filtering device and a filtering system.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] In a first aspect, a filtration device comprises a filtration container, wherein a grid is provided inside the filtration container, a reverse osmosis membrane is provided on an outer wall of the grid, an inner cavity of the filtration container forms a liquid inlet cavity outside the grid, and a liquid outlet cavity is formed inside the grid, the filtration container is provided with a liquid inlet connected to the liquid inlet cavity, the filtration container is provided with a liquid outlet connected to the liquid outlet cavity, and a cleaning component is provided in the liquid inlet cavity which is relatively movable with the outer wall of the grid.

[0008] In combination with the first aspect, in certain implementations of the first aspect, the grid frame is a cylindrical column grid frame, the cleaning assembly includes a cleaning frame, the cleaning frame is provided with a ring, the cleaning frame is sleeved on the outer wall of the cylindrical grid frame through the ring, the cleaning frame can rotate around the circumference of the cylindrical grid frame, the cleaning frame extends along the axial direction of the cylindrical grid frame, and the cleaning frame is provided with a first cleaning brush that cooperates with the outer wall of the cylindrical grid frame.

[0009] In combination with the first aspect and the above-mentioned implementations, in certain implementations of the first aspect, the ring is arranged at the top of the cleaning frame, the ring is provided with teeth along the circumference to form a toothed disc, the top of the filter container is provided with a drive motor, and the output end of the drive motor is provided with an auxiliary gear meshing with the toothed disc.

[0010] In combination with the first aspect and the above-mentioned implementations, in some implementations of the first aspect, the filter container has a cylindrical inner cavity extending in the height direction, and the cleaning rack is provided with a second cleaning brush that cooperates with the inner wall of the filter container.

[0011] In combination with the first aspect and the above-mentioned implementation methods, in some implementation methods of the first aspect, a partition is provided at the bottom of the inner cavity of the filter container, and the partition divides the inner cavity of the filter container into a filter cavity at the top and a sedimentation cavity at the bottom, and the grid is arranged on the top of the partition, and the partition is provided with perforations on the outside of the grid, and the outer wall of the filter container located on the sedimentation cavity side is connected to be provided with a sewage outlet.

[0012] In combination with the first aspect and the above-mentioned implementations, in some implementations of the first aspect, a water outlet pipe connected to the grid is provided at the bottom of the filter container, and the water outlet pipe is fixedly installed at the bottom of the partition.

[0013] In combination with the first aspect and the above-mentioned implementations, in certain implementations of the first aspect, the sewage outlet is provided with a sewage valve, the top of the filter container is connected to a water supply pipe, and the water supply pipe is connected to the inside of the grid.

[0014] In combination with the first aspect and the above-mentioned implementations, in some implementations of the first aspect, the grid is a stainless steel grid.

[0015] In combination with the first aspect and the above-mentioned implementations, in some implementations of the first aspect, the reverse osmosis membrane is a RO reverse osmosis membrane.

[0016] In a second aspect, a filtration system comprises the filtration device described in any implementation manner in the first aspect.

[0017] One of the above technical solutions has at least one of the following advantages or beneficial effects: when the technical solution of the utility model is in use, the wastewater is connected to the liquid inlet to enter the liquid inlet cavity, and then filtered through the reverse osmosis membrane to be discharged from the liquid outlet connected to the grid for recycling. During this period, impurities in the liquid are filtered through the reverse osmosis membrane, and the impurities attached to the outer wall of the reverse osmosis membrane after filtration can be cleaned by the cleaning component, thereby extending the service life of the reverse osmosis membrane.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0021] Figure 2 yes Figure 1 A schematic cross-sectional structure diagram of an embodiment shown;

[0022] Figure 3 yes Figure 2 A partial enlarged schematic diagram in the middle;

[0023] Figure 4 yes Figure 2 A partial enlarged schematic diagram of point B in the middle. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] In the present invention, if directions (up, down, left, right, front and back) are described, it is only for the convenience of describing the technical solution of the present invention, and does not indicate or imply that the technical features referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0026] In the present utility model, "several" means one or more, "multiple" means more than two, "greater than", "less than", "exceed" and the like are understood to exclude the number itself; "above", "below", "within" and the like are understood to include the number itself. In the description of the present utility model, if there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0027] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected or electrically connected or able to communicate with each other; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0028] in, Figure 2 The reference direction coordinate system of the embodiment of the utility model is given below. Figure 2 The embodiment of the utility model is described with reference to the direction shown.

[0029] An embodiment of the utility model provides a filtering device, which can be used for filtering industrial circulating water.

[0030] See also Figure 1 , Figure 2 The filtering device includes a filtering container 100, a grid frame 200 is arranged inside the filtering container 100, a reverse osmosis membrane 300 is arranged on the outer wall of the grid frame 200, the inner cavity of the filtering container 100 forms a liquid inlet cavity 101 outside the grid frame 200, and a liquid outlet cavity 102 is formed inside the grid frame 200, the filtering container 100 is provided with a liquid inlet 103 connected to the liquid inlet cavity 101, the filtering container 100 is provided with a liquid outlet 104 connected to the liquid outlet cavity 102, and a cleaning component 400 is arranged in the liquid inlet cavity 101, which is relatively movable with the outer wall of the grid frame 200. In other words, the cleaning component 400 and the grid frame 200 can move and scrape relative to each other, so as to remove impurities attached to the outer wall of the grid frame 200.

[0031] Combination Figure 1 , Figure 2 When the technical solution of the utility model is in use, the waste water is connected to the liquid inlet 103 to enter the liquid inlet cavity 101, and then filtered through the reverse osmosis membrane 300 to be discharged from the liquid outlet 104 connected to the grid 200 for recycling. During this period, impurities in the liquid are filtered through the reverse osmosis membrane 300, and the impurities attached to the outer wall of the reverse osmosis membrane 300 after filtration can be cleaned by the cleaning component 400, thereby extending the service life of the reverse osmosis membrane 300.

[0032] In some embodiments, see Figure 2 , Figure 3 , Figure 4The grid frame 200 is a cylindrical grid frame 200, and the cylindrical grid frame 200 has an outer peripheral surface extending continuously along the circumference. The cleaning component 400 includes a cleaning frame 401, and the cleaning frame 401 is provided with a ring 402. The cleaning frame 401 is sleeved on the outer wall of the cylindrical grid frame 200 through the ring 402. The ring 402 cooperates with the cylindrical grid frame 200 so that the cleaning frame 401 can rotate around the circumference of the cylindrical grid frame 200. The cleaning frame 401 extends along the axial direction of the cylindrical grid frame 200, and the cleaning frame 401 is provided with a first cleaning brush 403 that cooperates with the outer wall of the cylindrical grid frame 200. When in use, the cleaning rack 401 can rotate around the cylindrical grid 200, and the cleaning rack 401 further drives the first cleaning brush 403 outside the cylindrical grid 200 to rotate around the axis of the cylindrical grid 200, so that the outer wall of the reverse osmosis membrane 300 is cleaned by the first cleaning brush 403 to extend the time for cleaning and replacing the reverse osmosis membrane 300. In this embodiment, the outer wall of the reverse osmosis membrane 300 is cleaned by adopting the method of the cylindrical grid 200 + the cleaning rack 401 rotating around the cylindrical grid 200, the structure is stable, and the cleaning effect is better.

[0033] For further information, see Figure 2 , Figure 3 , Figure 4 , a collar 402 is arranged at the top of the cleaning frame 401, and the collar 402 is provided with teeth along the circumferential direction to form a toothed disc, and the toothed disc is fixedly connected to the cleaning frame 401, and a driving motor 500 is arranged at the top of the filter container 100, and the output end of the driving motor 500 extends into the inner side of the top of the filter container 100, and the output end of the driving motor 500 is provided with an auxiliary gear 501 meshing with the toothed disc. The driving motor 500 drives the toothed disc to rotate through gear meshing transmission, so as to drive the cleaning frame 401 to rotate on the outer wall of the reverse osmosis membrane 300, so as to clean the outer wall of the reverse osmosis membrane 300 through the first cleaning brush 403, so as to prolong the time of cleaning and replacing the reverse osmosis membrane 300.

[0034] It is understandable that the cleaning frame 401 can also be driven to rotate around the cylindrical grid 200 by other means such as a hand wheel, so as to clean the outer wall of the reverse osmosis membrane 300 by the first cleaning brush 403 .

[0035] In some embodiments, see Figure 2 , Figure 3 , Figure 4The filter container 100 has a cylindrical inner cavity extending in the height direction, the cylindrical inner cavity coincides with the axis of the cylindrical grid 200, and a circular liquid inlet cavity 101 is formed between the cylindrical inner cavity and the cylindrical grid 200. The cleaning frame 401 is located in the liquid inlet cavity 101 and extends in the height direction in the liquid inlet cavity 101. The cleaning frame 401 is provided with a second cleaning brush 502 that matches the inner wall of the filter container 100. The auxiliary gear 501 is driven to rotate by the driving motor 500. At this time, the auxiliary gear 501 is engaged with the toothed disc to drive the toothed disc to rotate on the inner wall of the filter container 100. At this time, the cleaning frame 401 rotates to stir the water flow in the liquid inlet cavity 101 to accelerate the filtration of the reverse osmosis membrane 300. At the same time, due to the rotation of the cleaning frame 401, the inner wall of the filter container 100 is cleaned by the second cleaning brush 502, thereby achieving the cleaning of the inner wall of the filter container 100.

[0036] In some embodiments, see Figure 2 , Figure 3 , a partition 105 is provided at the bottom of the inner cavity of the filter container 100, and the partition 105 divides the inner cavity of the filter container 100 into a filter cavity 106 at the top and a sedimentation cavity 107 at the bottom, wherein the liquid inlet cavity and the liquid outlet cavity are located in the filter cavity 106, the grid 200 is arranged on the top of the partition 105, and the partition 105 is provided with a perforation 108 on the outer side of the grid 200, and the outer wall of the filter container 100 located on one side of the sedimentation cavity 107 is connected and provided with a sewage outlet 109. By using a plurality of perforations 108, impurities located in the filter cavity 106 can pass through the perforations 108 to be deposited in the sedimentation cavity 107, and the impurities deposited in the sedimentation cavity 107 can be further removed by opening the sewage outlet 109.

[0037] In addition, the water flow that can be stirred by the cleaning assembly 400 during operation can also reduce the problem of clogging of the through holes 108 on the partition 105.

[0038] For further information, see Figure 2 , Figure 3 The bottom of the filter container 100 is provided with a water outlet pipe 110 connected to the grid frame 200, and the water outlet pipe 110 is fixedly installed at the bottom of the partition 105. The wastewater is connected to the liquid inlet 103 to enter the liquid inlet cavity 101, and then filtered through the reverse osmosis membrane 300 to be discharged from the water outlet pipe 110 connected to the column grid frame 200 for recycling.

[0039] In some embodiments, see Figure 2 The sewage outlet 109 is provided with a sewage valve 111 , and the top of the filter container 100 is connected to a water supply pipe 112 , which is connected to the inside of the grid 200 .

[0040] Specifically, when the impurities deposited in the sedimentation chamber 107 are cleared through the sewage outlet 109, a part of the water flow will be taken away, and the water source is connected through the water supply pipe 112, and then the water storage in the grid 200 is supplemented to ensure the normal operation of the equipment.

[0041] In some embodiments, the grid 200 is a stainless steel grid.

[0042] In some embodiments, the reverse osmosis membrane 300 is a RO reverse osmosis membrane.

[0043] The working principle of some embodiments of the utility model is as follows: waste water is connected to the liquid inlet 103 to enter the liquid inlet chamber 101, and then filtered through the reverse osmosis membrane 300 to be discharged from the outlet pipe 110 connected to the cylindrical grid 200 for recycling. The impurities deposited in the filter chamber 106 enter the sedimentation chamber 107 through the partition 105, and the auxiliary gear 501 is driven to rotate by the driving motor 500. At this time, the auxiliary gear 501 and the gear disc are engaged to drive the gear disc to rotate on the inner wall of the filter container 100. At this time, the cleaning frame 401 rotates to stir the water flow in the filter chamber 106 to accelerate the filtration of the reverse osmosis membrane 300. At the same time, due to the rotation of the cleaning frame 401, the inner wall of the filter container 100 is cleaned by the second cleaning brush 502, thereby achieving the cleaning of the inner wall of the filter container 100. At the same time, the stirred water flow can reduce the problem of blockage of the perforation 108 on the partition 105.

[0044] An embodiment of the utility model further provides a filtering system, comprising the filtering device in any of the above embodiments.

[0045] In the description of this specification, the description with reference to the terms "example", "embodiment" or "some embodiments" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0046] Of course, the invention is not limited to the above-mentioned embodiments, and those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the invention, and these equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A filtering device, characterized in that: It comprises a filter container, wherein a grid is arranged inside the filter container, a reverse osmosis membrane is arranged on the outer wall of the grid, the inner cavity of the filter container forms a liquid inlet cavity outside the grid, and a liquid outlet cavity is formed inside the grid, the filter container is provided with a liquid inlet connected to the liquid inlet cavity, the filter container is provided with a liquid outlet connected to the liquid outlet cavity, and a cleaning component is arranged in the liquid inlet cavity which is relatively movable with the outer wall of the grid.

2. The filtering device according to claim 1, characterized in that: The grid frame is a cylindrical column grid frame, and the cleaning assembly includes a cleaning frame, the cleaning frame is provided with a ring, and the cleaning frame is mounted on the outer wall of the cylindrical grid frame through the ring. The cleaning frame can rotate around the circumference of the cylindrical grid frame, and the cleaning frame extends along the axial direction of the cylindrical grid frame. The cleaning frame is provided with a first cleaning brush that cooperates with the outer wall of the cylindrical grid frame.

3. The filtering device according to claim 2, characterized in that: The collar is arranged on the top of the cleaning frame, and the collar is provided with teeth along the circumference to form a toothed disc. A driving motor is arranged on the top of the filter container, and an auxiliary gear meshing with the toothed disc is arranged at the output end of the driving motor.

4. The filtering device according to claim 2, characterized in that: The filter container has a cylindrical inner cavity extending in the height direction, and the cleaning frame is provided with a second cleaning brush matched with the inner wall of the filter container.

5. The filtering device according to claim 1, characterized in that: A partition is provided at the bottom of the inner cavity of the filter container, and the partition divides the inner cavity of the filter container into a filter cavity at the top and a sedimentation cavity at the bottom. The grid is arranged on the top of the partition, and the partition is provided with perforations on the outer side of the grid. The outer wall of the filter container located on the sedimentation cavity side is connected to be provided with a sewage outlet.

6. The filtering device according to claim 5, characterized in that: The bottom of the filter container is provided with a water outlet pipe connected to the grid, and the water outlet pipe is fixedly installed on the bottom of the partition.

7. The filtering device according to claim 5, characterized in that: The sewage outlet is provided with a sewage valve, and the top of the filter container is connected with a water supply pipe, and the water supply pipe is connected to the inside of the grid.

8. The filtering device according to claim 1, characterized in that: The grid is a stainless steel grid.

9. The filtering device according to claim 1, characterized in that: The reverse osmosis membrane is a RO reverse osmosis membrane.

10. A filtering system, characterized in that: A filter device comprising the filter device according to any one of claims 1 to 9.

Images