Candle filter convenient for maintaining and cleaning filter screen

Abstract

The utility model relates to the technical field of candle filters, in particular to a candle filter convenient for maintaining and cleaning a filter screen, which comprises a filter tank, the upper end face of the filter tank is hermetically connected with a cover plate, the upper end face of the cover plate is fixedly connected with an exhaust valve, and the lower end face of the exhaust valve penetrates through the lower end face of the cover plate to be communicated with the inside of the filter tank. A sealing block is slidably connected to the interior of the exhaust valve, the lower end face of the filtering tank is fixedly connected with a slag discharging pipe, the top end of the slag discharging pipe is communicated with the interior of the filtering tank, the right side face of the slag discharging pipe is fixedly connected with a servo motor, and a connecting disc is installed in the filtering tank. According to the utility model, redundant air during liquid injection can be exhausted through the exhaust valve, after the liquid is filled, a worker closes the exhaust valve, and at the moment, the liquid is continuously injected into the filtering tank, so that the pressure in the filtering tank is increased, and the speed of the liquid passing through the filtering pipe can be increased, so that the filtering rate of the device is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of candle filters, in particular to a candle filter which is convenient for maintaining and cleaning a filter screen. Background Art

[0002] Patent No. CN209714455U discloses a candle filter. The utility model has a reasonable structural design, reduces the difficulty of installing the filter component, and improves the installation efficiency.

[0003] However, the above-mentioned existing candle filter is then installed with the collecting pipe, and one end of the collecting pipe with a lug is pre-installed, and the lug is aligned with the first through hole and the second through hole on the support, and a nut is pre-installed on the rotating member. At this time, the nut does not need to be in a tightened state, so that the collecting pipe can rotate relative to the support. The collecting pipe is rotated to a certain angle to operate the connecting nut on the collecting pipe to connect with the filter element joint until each pipe joint on the collecting pipe is installed with the filter element joint, and finally the first flange is connected with the second flange, and the nut is tightened to complete the quick installation of the entire filter assembly. Due to the lack of a regulating structure for the internal air pressure of the tank body, the speed at which body fluid passes through the filter element under normal pressure is slow, resulting in reduced filtration efficiency.

[0004] In order to solve the above problems, the utility model provides a candle filter which is easy to maintain and clean the filter screen. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a candle-type filter which is easy to maintain and clean the filter screen, so as to solve the technical problem in the prior art that "the liquid collecting pipe is then installed, one end of the liquid collecting pipe with a support ear is pre-installed, and the support ear is aligned with the first through hole and the second through hole on the support, and a nut is pre-installed on the rotating part. At this time, the nut does not need to be in a tightened state, so that the liquid collecting pipe can rotate relative to the support. The liquid collecting pipe is rotated to a certain angle to operate the connecting nut on the liquid collecting pipe to connect it with the filter element joint until each pipe joint on the liquid collecting pipe is installed with the filter element joint, and finally the first flange is connected to the second flange, and the nut is tightened to complete the quick installation of the entire filter assembly. Since the device lacks a structure for adjusting the air pressure inside the tank body, the speed at which body fluid passes through the filter element is slow under normal pressure, resulting in reduced filtration efficiency."

[0006] To achieve the above objectives, the utility model is implemented through the following technical scheme: it includes a filter tank, the upper end surface of the filter tank is sealed and connected with a cover plate, the upper end surface of the cover plate is fixedly connected with an exhaust valve, the lower end surface of the exhaust valve passes through the lower end surface of the cover plate and is connected with the inside of the filter tank, a sealing block is slidably connected in the exhaust valve, the lower end surface of the filter tank is fixedly connected with a slag discharge pipe, the top end of the slag discharge pipe is connected with the inside of the filter tank, the right side of the slag discharge pipe is fixedly connected with a servo motor, a connecting plate is installed in the filter tank, the lower end surface of the connecting plate is fixedly connected with a connecting pipe, the top end of the connecting pipe is connected with the inside of the connecting plate, the lower end surface of the connecting plate is fixedly connected with a filter tube, the inner wall of the filter tube is sleeved on the outside of the connecting tube, and the upper end surface of the connecting plate is fixedly connected with a liquid outlet pipe.

[0007] As a preferred technical solution of the utility model, the cover plate and the side of the filter tank are fixedly connected with a fixing block, and the fixing block is internally threadedly connected with a first threaded rod.

[0008] As a preferred technical solution of the utility model, a liquid inlet pipe is fixedly connected to the side of the filter tube, and one end of the liquid inlet pipe is connected to the inside of the filter tank.

[0009] As a preferred technical solution of the utility model, the output end of the servo motor passes through the inner wall of the slag discharge pipe and is fixedly connected to a valve plate, and the side surface of the valve plate is rotatably connected and fits with the inner wall of the slag discharge pipe.

[0010] As a preferred technical solution of the utility model, the bottom end of the liquid outlet pipe is connected to the inside of the connecting plate, and the other end of the liquid outlet pipe passes through the side of the filter tank.

[0011] As a preferred technical solution of the utility model, the upper end surface of the exhaust valve is threadedly connected with a second threaded rod, and the bottom end of the second threaded rod penetrates the inner wall of the exhaust valve and is rotatably connected to the upper end surface of the sealing block.

[0012] The utility model provides a candle filter which is easy to maintain and clean the filter screen, and has the following beneficial effects:

[0013] 1. Excess air during liquid injection can be discharged through the exhaust valve. After the liquid is filled, the staff will close the exhaust valve. At this time, continuing to add liquid into the filter tank will increase the pressure inside the filter tank, which can increase the speed of liquid passing through the filter tube, thereby increasing the filtration rate of the device;

[0014] 2. After a long period of filtration, the staff can blow back high-pressure gas into the connecting plate through the liquid outlet pipe. The gas can blow off the filter residue attached to the filter tube, eliminating the need for manual cleaning by the staff, reducing the workload of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure proposed by the utility model;

[0016] Figure 2 The utility model provides a cross-sectional structural schematic diagram of a filter tank;

[0017] Figure 3 The utility model provides a schematic diagram of the structure of the slag discharge pipe;

[0018] Figure 4 The utility model provides a structural schematic diagram of a filter tube;

[0019] Figure 5 This is a cross-sectional structural schematic diagram of the connection disk proposed in the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the liquid outlet pipe proposed in the utility model;

[0021] Figure 7 The utility model provides a structural schematic diagram of a valve plate.

[0022] In the figure: 1 filter tank, 2 liquid inlet pipe, 3 fixed block, 4 first threaded rod, 5 cover plate, 6 exhaust valve, 7 second threaded rod, 8 sealing block, 9 connecting plate, 10 liquid outlet pipe, 11 filter pipe, 12 slag discharge pipe, 13 servo motor, 14 valve plate, 15 connecting pipe. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0024] Thus, a feature indicated in this specification will be used to illustrate one of the features of an embodiment of the utility model, rather than implying that each embodiment of the utility model must have the described feature. In addition, it should be noted that this specification describes many features. Although some features can be combined together to illustrate possible system designs, these features can also be used in other combinations that are not explicitly described. Thus, unless otherwise stated, the described combinations are not intended to be limiting.

[0025] The principle and structure of the present invention are described in detail below with reference to the accompanying drawings and embodiments:

[0026] refer to Figure 1-7A candle filter which is easy to maintain and clean the filter screen comprises a filter tank 1, the upper end surface of the filter tank 1 is sealed and connected with a cover plate 5, the upper end surface of the cover plate 5 is fixedly connected with an exhaust valve 6, the lower end surface of the exhaust valve 6 passes through the lower end surface of the cover plate 5 and is connected with the inside of the filter tank 1, a sealing block 8 is slidably connected in the exhaust valve 6, the lower end surface of the filter tank 1 is fixedly connected with a slag discharge pipe 12, the top end of the slag discharge pipe 12 is connected with the inside of the filter tank 1, and the right side of the slag discharge pipe 12 is fixedly connected with a servo motor 13, a connecting plate 9 is installed in the filter tank 1, the lower end surface of the connecting plate 9 is fixedly connected with a connecting pipe 15, the top end of the connecting pipe 15 is connected with the inside of the connecting plate 9, the lower end surface of the connecting plate 9 is fixedly connected with a filter tube 11, the inner wall of the filter tube 11 is sleeved on the outside of the connecting pipe 15, and the upper end surface of the connecting plate 9 is fixedly connected with a liquid outlet pipe 10.

[0027] By providing the exhaust valve 6 , when liquid is added into the filter tank 1 , the excess gas in the filter tank 1 can be discharged through the exhaust valve 6 .

[0028] Furthermore, the cover plate 5 and the side surface of the filter tank 1 are both fixedly connected with a fixing block 3, and the fixing block 3 is internally threadedly connected with a first threaded rod 4.

[0029] By providing the first threaded rod 4 , the first threaded rod 4 can seal and connect the cover plate 5 to the filter tank 1 .

[0030] Furthermore, a liquid inlet pipe 2 is fixedly connected to the side of the filter tube 11 , and one end of the liquid inlet pipe 2 is connected to the inside of the filter tank 1 .

[0031] By providing the liquid inlet pipe 2 , a worker can inject liquid into the filter tank 1 under pressure through the liquid inlet pipe 2 .

[0032] Furthermore, the output end of the servo motor 13 penetrates through the inner wall of the slag discharge pipe 12 and is fixedly connected to a valve plate 14 , and the side surface of the valve plate 14 is rotatably connected to and fits with the inner wall of the slag discharge pipe 12 .

[0033] By providing the valve plate 14 , when cleaning the filter residue on the filter tube 11 , the valve plate 14 can be opened to discharge the filter residue.

[0034] Furthermore, the bottom end of the liquid outlet pipe 10 is connected to the inside of the connecting plate 9 , and the other end of the liquid outlet pipe 10 passes through the side surface of the filter tank 1 .

[0035] Furthermore, the upper end surface of the exhaust valve 6 is threadedly connected with a second threaded rod 7 , and the bottom end of the second threaded rod 7 penetrates the inner wall of the exhaust valve 6 and is rotatably connected to the upper end surface of the sealing block 8 .

[0036] By providing the sealing block 8 , the second threaded rod 7 can drive the sealing block 8 to move up and down, thereby achieving the effects of exhausting and sealing the filter tank 1 .

[0037] The working principle of the utility model is as follows: first, the staff injects the liquid to be filtered into the filter tank 1 through the liquid inlet pipe 2 under pressure. At the same time, the staff rotates the second threaded rod 7 clockwise to drive the sealing block 8 to move upward, so that the excess gas in the filter tank 1 can be discharged through the exhaust valve 6. When the liquid in the filter tank 1 is full, the staff drives the sealing block 8 to move downward through the second threaded rod 7 to make the filter tank 1 airtight. Then, the staff can continue to add liquid to the filter tank 1. The liquid in the filter tank 1 passes through the filter tube 11 to the connecting tube 15 due to the high pressure, and the liquid can be filtered. The filtered liquid will enter the connecting disk 9 through the connecting tube 15. After continuous filtering for a period of time, the filtered liquid will be discharged through the liquid outlet pipe 10. After long-term filtering, a large amount of filter residue will accumulate on the surface of the filter tube 11. The staff only needs to blow high-pressure gas into the connecting disk 9 through the liquid outlet pipe 10. Under the action of the gas, the filter residue on the surface of the filter tank 1 can be blown off. The staff starts the servo motor 13 to drive the valve plate 14 to rotate, and the filter residue can be discharged from the residue discharge pipe 12.

[0038] Compared with the prior art, the speed at which liquid passes through the filter tube 11 can be increased, so as to increase the filtering rate of the device.

[0039] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A candle filter that is easy to maintain and clean the filter screen, comprising a filter tank (1), characterized in that: The upper end surface of the filter tank (1) is sealedly connected to a cover plate (5), the upper end surface of the cover plate (5) is fixedly connected to an exhaust valve (6), the lower end surface of the exhaust valve (6) penetrates the lower end surface of the cover plate (5) and is connected to the inside of the filter tank (1), a sealing block (8) is slidably connected to the inside of the exhaust valve (6), the lower end surface of the filter tank (1) is fixedly connected to a slag discharge pipe (12), the top end of the slag discharge pipe (12) is connected to the inside of the filter tank (1), and the slag discharge pipe (12) is A servo motor (13) is fixedly connected to the right side of the filter tank (1); a connecting plate (9) is installed in the filter tank (1); a connecting pipe (15) is fixedly connected to the lower end surface of the connecting plate (9); the top end of the connecting pipe (15) is connected to the inside of the connecting plate (9); a filter tube (11) is fixedly connected to the lower end surface of the connecting plate (9); the inner wall of the filter tube (11) is sleeved on the outside of the connecting pipe (15); and a liquid outlet pipe (10) is fixedly connected to the upper end surface of the connecting plate (9).

2. A candle filter that is easy to maintain and clean the filter screen according to claim 1, characterized in that: The cover plate (5) and the side surface of the filter tank (1) are both fixedly connected with a fixing block (3), and the fixing block (3) is internally threadedly connected with a first threaded rod (4).

3. The candle filter with easy maintenance and cleaning of the filter screen according to claim 1, characterized in that: A liquid inlet pipe (2) is fixedly connected to the side of the filter tube (11), and one end of the liquid inlet pipe (2) is connected to the inside of the filter tank (1).

4. The candle filter with easy maintenance and cleaning of the filter screen according to claim 1, characterized in that: The output end of the servo motor (13) penetrates the inner wall of the slag discharge pipe (12) and is fixedly connected to a valve plate (14), and the side surface of the valve plate (14) is rotatably connected to and fits with the inner wall of the slag discharge pipe (12).

5. The candle filter with easy maintenance and cleaning of the filter screen according to claim 1, characterized in that: The bottom end of the liquid outlet pipe (10) is connected to the inside of the connection plate (9), and the other end of the liquid outlet pipe (10) passes through the side surface of the filter tank (1).

6. The candle filter with easy maintenance and cleaning of the filter screen according to claim 1, characterized in that: The upper end surface of the exhaust valve (6) is threadedly connected to a second threaded rod (7), and the bottom end of the second threaded rod (7) penetrates the inner wall of the exhaust valve (6) and is rotatably connected to the upper end surface of the sealing block (8).

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