Device for cleaning filter element of basket filter in closed manner

Abstract

The utility model provides a device for hermetically cleaning a filter element of a basket filter, which comprises a flushing fluid collecting tank, a material pump and at least one basket filter, a filtrate area and a waste gas area are sequentially arranged in the flushing fluid collecting tank from bottom to top, and a filter screen is arranged in the filtrate area. The flushing fluid output port of the basket filter is communicated with the waste gas area of the flushing fluid collecting tank; and the material pump is respectively communicated with the filtrate area and the flushing fluid input port of the basket filter. According to the device for cleaning the filter element of the basket filter in the closed mode, closed cleaning is achieved, cleaning liquid is recycled, extra waste liquid is not generated, and the device is environmentally friendly, time-saving and labor-saving.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical production devices and relates to a device for airtightly cleaning a filter element of a basket filter. Background Art

[0002] In the process of producing products that are easy to polymerize, easy to precipitate, and by-products containing particulate matter in chemical production equipment, particulate matter or polymers that are not conducive to production will be generated. Basket filters are usually used to remove solid particles from liquid materials. The original liquid of the material containing particulate matter passes through the basket filter, and the particulate matter in the liquid phase will adhere to the filter screen on the surface of the filter element. When the particulate matter on the filter screen accumulates to a certain amount, the filter element needs to be cleaned. The existing method of cleaning the filter element is to open the filter cover, take out the filter element, clean it, and then put it back. This method is time-consuming and labor-intensive, and after the filter cover is opened, the smell of the material in the filter overflows, which not only greatly affects the on-site environmental hygiene, but also causes the operator to inhale it into the body, affecting human health. Utility Model Content

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a device for cleaning a basket filter element in a closed manner, so as to achieve closed cleaning and recycling of cleaning liquid without generating additional waste liquid.

[0004] To achieve the above-mentioned purpose and other related purposes, the utility model provides a closed device for cleaning a basket filter element, comprising a flushing liquid collecting tank, a material pump and at least one basket filter, wherein the flushing liquid collecting tank is provided with a filtrate area and a waste gas area from bottom to top, a filter screen is provided in the filtrate area, the flushing liquid output port of the basket filter is connected to the waste gas area of ​​the flushing liquid collecting tank, and the material pump is respectively connected to the filtrate area and the flushing liquid input port of the basket filter.

[0005] Preferably, the exhaust gas zone is connected to the exhaust gas collector via an exhaust gas pipe.

[0006] Preferably, the waste gas zone is connected to the flushing liquid outlet of the basket filter via a drain main pipe and a drain branch pipe.

[0007] More preferably, a purge valve is provided on the purge branch pipe.

[0008] More preferably, a first sight glass is provided on the drain pipe.

[0009] More preferably, one end of the exhaust main pipe extending into the exhaust gas zone matches the input surface of the filter screen.

[0010] Preferably, the material pump is connected to the filtrate zone via a first recovery pipe and a second recovery pipe.

[0011] More preferably, a flushing liquid recovery valve is provided on the second recovery pipe.

[0012] More preferably, a second sight glass is provided on the second recovery pipe.

[0013] Further preferably, the second sight mirror is located upstream of the flushing liquid recovery valve.

[0014] Preferably, the material pump is connected to the flushing liquid input port of the basket filter via the reflux main pipe and the reflux branch pipe.

[0015] More preferably, a first flushing liquid reflux valve is provided on the reflux main pipe.

[0016] More preferably, a second flushing liquid reflux valve is provided on the reflux branch pipe.

[0017] Preferably, the device further comprises a raw material output device, and the raw material output device is connected to the material pump.

[0018] More preferably, the material pump is connected to the raw material output device via the reflux main pipe and the collecting pipe.

[0019] Further preferably, the collecting pipe is located upstream of the first flushing liquid reflux valve.

[0020] Preferably, the basket filter is also connected to a material input device.

[0021] More preferably, the material input device is connected to the basket filter via the material input main pipe and the material input branch pipe in sequence along the material input direction.

[0022] Further preferably, a material input valve is provided on the material input branch pipe.

[0023] Preferably, the material pump is also connected to the material output port of the basket filter.

[0024] More preferably, the material pump is connected to the material output port of the basket filter via the first recovery pipe, the material output main pipe and the material output branch pipe.

[0025] Further preferably, a material output valve is provided on the material output branch pipe.

[0026] Preferably, the basket filter comprises a filter cartridge and a filter element in sequence from outside to inside, a rotating shaft is arranged in the filter element, the rotating shaft is hollow and at least one nozzle is arranged on the rotating shaft, and the nozzle is connected to the rotating shaft.

[0027] More preferably, the rotating shaft is communicated with the reflux branch pipe.

[0028] As described above, the utility model provides a closed cleaning device for a basket filter element, which has the following beneficial effects:

[0029] (1) The utility model provides a device for cleaning a basket filter element in a closed manner, which realizes a closed cleaning function through a basket filter. The filter element can be cleaned by operating a valve on site without opening the filter cover to remove the filter element for cleaning.

[0030] (2) The utility model provides a closed cleaning device for a basket filter element, which is installed with a multi-nozzle rotating shaft and a waste liquid collection tank, and uses the material in the system as a flushing liquid to clean the filter screen. It has low installation cost, simple structure and simple operation.

[0031] (3) The utility model provides a closed cleaning device for a basket filter element, which recycles the flushing liquid. The flushing liquid originates from the system and is recycled into the system. No additional waste liquid is generated, thereby improving efficiency.

[0032] (4) The utility model provides a closed cleaning device for a basket filter element. The device uses a multi-nozzle rotating shaft to remove impurities on the filter element using a flushing liquid in a closed state. This is green, environmentally friendly, and saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 Shown is an overall structural diagram of a device for airtightly cleaning a basket filter element in the utility model.

[0034] Reference numerals

[0035] 1 Material pump

[0036] 2 Basket filter

[0037] 3 Flushing liquid collection tank

[0038] 31 Filtrate Zone

[0039] 32 Exhaust Zone

[0040] 33 Filter

[0041] 4 Exhaust pipe

[0042] 5 Exhaust gas collector

[0043] 6. Release the supervisor

[0044] 7 Clear the branch pipe

[0045] 8 Drain valve

[0046] 9 First Mirror

[0047] 10 First recovery tube

[0048] 11 Second recovery tube

[0049] 12 Flushing liquid recovery valve

[0050] 13 Second Mirror

[0051] 14 Reflux Supervisor

[0052] 15 Return branch

[0053] 16 First flushing liquid return valve

[0054] 17 Second flushing liquid return valve

[0055] 18 Raw material output device

[0056] 19 Collection tube

[0057] 20 Material input device

[0058] 21 Material Input Supervisor

[0059] 22 Material input branch pipe

[0060] 23 Material input valve

[0061] 24 Material Output Supervisor

[0062] 25 Material output branch pipe

[0063] 26 Material output valve

[0064] 27 Filter Cartridge

[0065] 28 Filter element

[0066] 29 Rotation axis

[0067] 30 Nozzle DETAILED DESCRIPTION

[0068] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0069] See also Figure 1It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change in the proportion relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the utility model without affecting the effects and purposes that can be achieved by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantially changing the technical content.

[0070] The utility model provides a closed cleaning device for a basket filter element, such as Figure 1 As shown, it includes a flushing liquid collecting tank 3, a material pump 1 and at least one basket filter 2. The flushing liquid collecting tank 3 is provided with a filtrate area 31 and a waste gas area 32 from bottom to top. The filtrate area 31 is provided with a filter screen 33. The flushing liquid output port of the basket filter 2 is connected with the waste gas area 32 of the flushing liquid collecting tank 3, and the material pump 1 is connected with the filtrate area 31 and the flushing liquid input port of the basket filter 2 respectively.

[0071] In the above device, if Figure 1 As shown, the filter screen 33 is a commonly used filter screen. Specifically, the filter screen 33 is a mesh filter component formed by fixing a wire screen of a certain mesh number on a metal frame. The filter screen 33 is installed on the guide rail of the filtrate area 31 using a suitable filter screen so that the filter screen 31 moves on the guide rail to filter impurities in the filtrate and facilitate cleaning of the filter screen 31.

[0072] In the above device, if Figure 1 As shown, the exhaust gas area 32 is connected to the exhaust gas collector 5 via the exhaust gas pipe 4 for collecting the exhaust gas.

[0073] In one embodiment, the exhaust gas collector 5 is a conventional fan, which is used to collect the exhaust gas generated during the operation.

[0074] In the above device, if Figure 1 As shown, the waste gas area 32 is connected to the flushing liquid output port of the basket filter 2 through the drain main pipe 6 and the drain branch pipe 7.

[0075] In one embodiment, if Figure 1 As shown, a purge valve 8 is provided on the purge branch pipe 7.

[0076] In one embodiment, if Figure 1As shown, the first sight glass 9 is provided on the drain main pipe 7. It is used to observe whether the drainage is completed.

[0077] In one embodiment, if Figure 1 As shown, one end of the cleaning pipe 6 that penetrates into the exhaust gas zone 32 matches the input surface of the filter 33. That is, the flushing liquid input into the flushing liquid collecting tank 3 through the cleaning pipe 6 must be filtered by the filter 33.

[0078] In the above device, if Figure 1 As shown, the material pump 1 is connected to the filtrate area 31 via the first recovery pipe 10 and the second recovery pipe 11.

[0079] In one embodiment, if Figure 1 As shown, the second recovery pipe 11 is provided with a flushing liquid recovery valve 12 .

[0080] In one embodiment, if Figure 1 As shown, the second recovery pipe 11 is provided with a second sight glass 13 for observing whether the drainage is completed.

[0081] In a further preferred embodiment, Figure 1 As shown, the second sight mirror 13 is located upstream of the flushing liquid recovery valve 12 .

[0082] In the above device, if Figure 1 As shown, the material pump 1 is connected to the flushing liquid input port of the basket filter 2 through the reflux main pipe 14 and the reflux branch pipe 15.

[0083] In one embodiment, if Figure 1 As shown, the reflux main pipe 14 is provided with a first flushing liquid reflux valve 16 .

[0084] In one embodiment, if Figure 1 As shown, the reflux branch pipe 15 is provided with a second flushing liquid reflux valve 17 .

[0085] In the above device, if Figure 1 As shown, the device further comprises a raw material output device 18 , and the raw material output device 18 is connected to the material pump 1 .

[0086] In one embodiment, the raw material output device 18 is a conventional container located downstream of the material and used to transport the material via the material pump 1 .

[0087] In one embodiment, if Figure 1 As shown, the material pump 1 is connected to the raw material output device 18 through the reflux main pipe 14 and the collecting pipe 19.

[0088] In a further preferred embodiment, Figure 1As shown, the collecting pipe 19 is located upstream of the first flushing liquid return valve 16 .

[0089] In the above device, if Figure 1 As shown, the basket filter 2 is also connected to a material input device 20 .

[0090] In one embodiment, if Figure 1 As shown, the material input device 20 is a conventionally used container or pipeline, which is located upstream of the material and is used to produce or store the material.

[0091] In one embodiment, if Figure 1 As shown, the material input device 20 is connected to the basket filter 2 via the material input main pipe 21 and the material input branch pipe 22 in sequence along the material input direction.

[0092] In a further preferred embodiment, Figure 1 As shown, the material input valve 23 is provided on the material input branch pipe 22 .

[0093] In the above device, if Figure 1 As shown, the material pump 1 is also connected to the material output port of the basket filter 2.

[0094] In one embodiment, if Figure 1 As shown, the material pump 1 is connected to the material output port of the basket filter 2 through the first recovery pipe 10, the material output main pipe 24, and the material output branch pipe 25.

[0095] In a further preferred embodiment, Figure 1 As shown, the material output branch pipe 25 is provided with a material output valve 26 .

[0096] In the above device, if Figure 1 As shown, the number of the basket filters 2 is not less than 2, preferably 2.

[0097] In the above device, if Figure 1 As shown, the basket filter 2 includes a filter cartridge 27 and a filter element 28 from outside to inside. A rotating shaft 29 is provided in the filter element 28. The rotating shaft 29 is hollow and has at least one nozzle 30 on it. The nozzle 30 is connected to the rotating shaft 29.

[0098] In one embodiment, if Figure 1 As shown, the rotating shaft 29 is connected to the return branch 15 .

[0099] In one embodiment, an outlet pipe is provided at the output end of the filter element 28 , and the outlet pipe is inserted into the drain branch pipe 7 .

[0100] In one embodiment, a filter layer is provided on the surface of the filter element 28. The filter layer is a layer of filter mesh. The filter mesh is a conventional filter mesh. Specifically, the filter mesh is a mesh filter component formed by fixing a wire mesh of a certain mesh number on a metal frame, which plays a role in filtering impurities in the filtrate.

[0101] In one embodiment, the number of the nozzles 30 is at least 6, preferably 6.

[0102] In one embodiment, the spraying directions of the nozzles 30 are different.

[0103] The rotating shaft 29 and the cover plate of the filter cartridge 27 are connected by flanges, which is convenient for disassembly and maintenance.

[0104] The first sight glass 9 and the second sight glass 13 are conventional sight glasses for chemical pipelines, which can be purchased on the market and used to observe whether the materials are completely discharged, providing a basis for the next operation.

[0105] The material pump 1 is a conventionally used pump such as a centrifugal pump, a shielded pump or a magnetic pump, etc., which can be purchased from the market.

[0106] The above-mentioned purge valve 8, flushing liquid recovery valve 12, first flushing liquid reflux valve 16, second flushing liquid reflux valve 17, material input valve 23, and material output valve 26 are conventionally used ball valves for controlling the flow state of materials in the pipeline.

[0107] Combine the following Figure 1 , describing the specific use process of a device for cleaning a basket filter element in a closed manner in the utility model.

[0108] Users get Figure 1 In the device for cleaning the filter element of a basket filter in a closed manner, the material input valve 23 and the material output valve 26 of the multiple basket filters 2 are opened, and the material pump 1 is started to filter the material from the material input device 20 through the material input main pipe 21 and the material input branch pipe 22 to the multiple basket filters 2. The filtered material is sent to the raw material output device 18 by the material pump 1 through the material output branch pipe 25 and the material output main pipe 26.

[0109] When it is necessary to clean the filter element 28 of the basket filter 1, open the material input valve 23 and the material output valve 26 of the spare basket filter 2, close the material input valve 23 and the material output valve 26 of the running basket filter 2, and the material pump 1 continues to operate. Open the purge valve 8, purge the materials in the filter cartridge 27 and the filter element 28 of the basket filter 2, and input the materials into the waste gas area 32 of the flushing liquid collection tank 3 through the purge branch pipe 7 and the purge main pipe 6, and observe the material through the first sight glass 9. The waste gas in the material is input into the waste gas collector 5 through the waste gas pipe 4, and the liquid in the material is filtered through the filter screen 33 and exists in the filtrate area 31. The liquid filtered through the filter screen 33 is used as the flushing liquid, and the flushing liquid recovery valve 12 is opened to input the flushing liquid into the first recovery pipe 10 through the second recovery pipe 11. At the same time, the flushing liquid is observed through the second sight glass 13, and compared with the observation of the first sight glass 9, it is confirmed that the flushing liquid output has no impurities flowing out.

[0110] Open the first flushing liquid reflux valve 16 and the second flushing liquid reflux valve 17, and the flushing liquid is input into the rotating shaft 29 of the basket filter 2 through the first recovery pipe 10, the reflux main pipe 14, and the reflux branch pipe 15, so that the rotating shaft 29 rotates, and the flushing liquid is sprayed out through the multiple nozzles 30 on the rotating shaft 29, and the flushing liquid is sprayed on the filter element 28, and the black residue adhering to the filter element 28 is washed away. The fallen black residue is discharged from the bottom of the filter cartridge 27 of the basket filter 2, and then input into the waste gas area 32 of the flushing liquid collection tank 3 through the drain branch pipe 7 and the drain main pipe 6, and the impurities are observed through the first sight glass 9. The impurities are filtered through the filter net 33 and buffered in the filtrate area 31. The filtrate is input into the first recovery pipe 10 through the second recovery pipe 11, and the flushing liquid is observed through the second sight glass 13, and compared with the observation of the first sight glass 9, it is confirmed that no impurities flow out.

[0111] Close the drain valve 8, the first flushing liquid reflux valve 16 and the second flushing liquid reflux valve 17, and transport the filtrate to the flushing liquid collection tank 3 through the second recovery pipe 11, the first recovery pipe 10, the reflux main pipe 14 and the collection pipe 19 for collection. When the second sight glass 13 observes that there is no continuous filtrate flow, close the flushing liquid recovery valve 12. Open the cover plate on the flushing liquid collection tank 3, remove the black residue on the filter screen 33 for treatment, and complete the cleaning of the basket filter 2.

[0112] Through the above process, it is possible to clean the basket filter 2 without removing the filter element 28. It is only necessary to regularly clean the filter screen 33 in the flushing liquid collection tank 3, thereby achieving the purpose of closed cleaning of the basket filter 2. The above-mentioned basket filter 2 is switched on and off. When cleaning is required, the standby one is switched on first, and then the cleaning operation is performed. The material pump 1 is always running, the pump inlet source is the upstream of the material, and the pump outlet destination is the downstream of the material. The filtrate from the flushing liquid collection tank 3 is collected back into the system by the material pump 1, and merged with the pump inlet material, that is, used as a flushing liquid, and then goes to the downstream process of the material.

[0113] In summary, the utility model provides a basket filter filling device that can reduce the switching time of the basket filter, recycle waste liquid to reduce material loss, is safe and reliable, and avoids the problem of materials hurting people when the basket filter is filled with liquid. It is suitable for large-scale promotion in the chemical industry. The above embodiments are only illustrative of the principles and effects of the utility model, and are not used to limit the utility model. Anyone familiar with this technology can modify or change the above embodiments without violating the spirit and scope of the utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the utility model should still be covered by the claims of the utility model.

Claims

1. A device for cleaning a basket filter element in a closed manner, characterized in that: The invention comprises a flushing liquid collecting tank (3), a material pump (1) and at least one basket filter (2); the flushing liquid collecting tank (3) is provided with a filtrate area (31) and a waste gas area (32) from bottom to top; a filter screen (33) is provided in the filtrate area (31); the flushing liquid outlet of the basket filter (2) is connected to the waste gas area (32) of the flushing liquid collecting tank (3); and the material pump (1) is respectively connected to the filtrate area (31) and the flushing liquid inlet of the basket filter (2).

2. The device for cleaning a basket filter element in a closed manner according to claim 1, characterized in that: The waste gas area (32) is connected to the waste gas collector (5) via the waste gas pipe (4); the waste gas area (32) is connected to the flushing liquid output port of the basket filter (2) via the drain main pipe (6) and the drain branch pipe (7).

3. The device for cleaning a basket filter element in a closed manner according to claim 2, characterized in that: The drain branch pipe (7) is provided with a drain valve (8); the drain main pipe (6) is provided with a first sight glass (9); and one end of the drain main pipe (6) extending into the exhaust gas area (32) matches the input surface of the filter screen (33).

4. The device for cleaning a basket filter element in a closed manner according to claim 1, characterized in that: The material pump (1) is connected to the filtrate area (31) via a first recovery pipe (10) and a second recovery pipe (11).

5. The device for cleaning a basket filter element in a closed manner according to claim 4, characterized in that: The second recovery pipe (11) is provided with a flushing liquid recovery valve (12); the second recovery pipe (11) is provided with a second sight glass (13), and the second sight glass (13) is located upstream of the flushing liquid recovery valve (12).

6. The device for cleaning a basket filter element in a closed manner according to claim 1, characterized in that: The material pump (1) is connected to the flushing liquid input port of the basket filter (2) via a reflux main pipe (14) and a reflux branch pipe (15); a first flushing liquid reflux valve (16) is provided on the reflux main pipe (14); and a second flushing liquid reflux valve (17) is provided on the reflux branch pipe (15).

7. The device for cleaning a basket filter element in a closed manner according to claim 1, characterized in that: The device further comprises a raw material output device (18), wherein the raw material output device (18) is connected to the material pump (1); the material pump (1) is connected to the raw material output device (18) via a reflux main pipe (14) and a collecting pipe (19); the collecting pipe (19) is located upstream of the first flushing liquid reflux valve (16).

8. The device for cleaning a basket filter element in a closed manner according to claim 1, characterized in that: The basket filter (2) is also connected to a material input device (20), and the material input device (20) is connected to the basket filter (2) in sequence along the material input direction via a material input main pipe (21) and a material input branch pipe (22); a material input valve (23) is provided on the material input branch pipe (22).

9. The device for cleaning a basket filter element in a closed manner according to claim 1, characterized in that: The material pump (1) is also connected to the material output port of the basket filter (2); the material pump (1) is connected to the material output port of the basket filter (2) via a first recovery pipe (10), a material output main pipe (24), and a material output branch pipe (25), and a material output valve (26) is provided on the material output branch pipe (25).

10. The device for cleaning a basket filter element in a closed manner according to claim 1, characterized in that: The basket filter (2) comprises a filter cartridge (27) and a filter element (28) in sequence from the outside to the inside. A rotating shaft (29) is provided inside the filter element (28). The rotating shaft (29) is hollow and at least one nozzle (30) is provided on the rotating shaft (29). The nozzle (30) is in communication with the rotating shaft (29). The rotating shaft (29) is in communication with a reflux branch pipe (15).

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