Anti-blocking Y-shaped filter

Abstract

The utility model discloses an anti-clogging Y-shaped filter, which comprises a filter body, a filter cartridge rotatably arranged in a filter channel, a liquid inlet channel, a filter channel and a liquid outlet channel are sequentially arranged in the filter body, and the filter channel is obliquely arranged at the lower end of the filter body; the slag removal assembly comprises a scraper blade capable of reciprocating in the length direction of the inner wall of the filter cartridge, the edge, facing the filter cartridge, of the scraper blade is arc-shaped so as to remove impurities on the filter cartridge, and the scraper blade is arranged far away from the liquid outlet channel; and the blowdown butterfly valve is arranged at the tail end of the filtering channel. By arranging the rotatable filter cartridge and the scraper, impurities on the filter cartridge can be removed in time, and the phenomenon that the impurities block the filter cartridge is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter equipment technical field, more specifically, the utility model relates to a kind of anti-clogging Y type filter. BACKGROUND

[0002] Y type filter is mainly applied to the impurities in the pipeline of central heating system, central air conditioning cold and heat source water supply pipeline, water supply pipeline etc..The working principle of Y type filter is that when water flows through filter and filters, the impurities in water are blocked in filter cartridge, and filtered water is discharged through liquid outlet channel.After existing filter body is widely applied, but after long time use, more and more impurities are deposited, which can easily block filter cartridge and affect the filtering efficiency of filter body. SUMMARY

[0003] One object of the utility model is to solve at least the above problems and provide at least the advantages to be explained later.

[0004] Another object of the utility model is to provide an anti-clogging Y type filter, which can remove impurities on the filter cartridge in time and reduce the impurities blocking the filter cartridge by setting the rotatable filter cartridge and scraper.

[0005] In order to achieve the objects and other advantages of the utility model, an anti-clogging Y type filter is provided, which comprises a filter body, a liquid inlet channel, a filter channel and a liquid outlet channel are sequentially arranged in the filter body, the filter channel is inclined and arranged at the lower end of the filter body, and further comprises:

[0006] A filter cartridge is rotatably arranged in the filter channel.

[0007] A slag removal assembly comprises a scraper which can reciprocate along the length direction of the inner wall of the filter cartridge, the edge of the scraper towards the filter cartridge is arc-shaped to remove impurities on the filter cartridge, and the scraper is arranged away from the liquid outlet channel.

[0008] A blowdown butterfly valve is arranged at the end of the filter channel.

[0009] Preferably, the lower surface of the scraper is provided with an arc-shaped slag removal cylinder, the two straight edges of the slag removal cylinder are not in contact with the inner wall of the filter cartridge, a plurality of filter holes are arranged on the slag removal cylinder at intervals, and the diameter of the filter holes is smaller than the mesh diameter of the filter cartridge.

[0010] Preferably, a partition plate is arranged in the filtering channel, the lower end of the filtering cylinder is rotatably connected to the partition plate, the lower end of the partition plate is provided with a through channel so that the residue removing cylinder can pass through the partition plate, the size of the scraper is greater than that of the through channel so that the through channel is blocked by the scraper, and a plurality of drainage holes are arranged at the upper end of the partition plate.

[0011] A blocking plate is arranged and can move towards or away from the drainage holes to close or open the plurality of drainage holes, and the size of the drainage holes is smaller than that of the mesh of the filtering cylinder.

[0012] Preferably, a plurality of cleaning hole rods are arranged at the blocking plate and correspond to the plurality of drainage holes to remove impurities in the drainage holes.

[0013] Preferably, a first rotary motor is arranged on the filter body, a connecting rod is arranged at the top end of the filtering cylinder, a driving shaft is arranged on the connecting rod, the driving shaft is rotatably arranged through the filter body and connected to the output shaft of the first rotary motor to drive the filtering cylinder to rotate.

[0014] Preferably, the arc-shaped edge of the scraper is provided with a first brush, and the first brush is in contact with the filtering cylinder.

[0015] Preferably, an annular fixing ring is arranged below the partition plate and corresponds to the through channel so that the residue removing cylinder can pass through, and a second brush is arranged in the fixing ring and in contact with the side wall of the residue removing cylinder when the residue removing cylinder passes through the fixing ring.

[0016] The utility model at least has following beneficial effects:

[0017] Firstly, the utility model realizes timely removal of impurities on the filtering cylinder by arranging the rotatable filtering cylinder and the scraper, reduces the blockage of the filtering cylinder by impurities, and further improves the filtering efficiency; by arranging the filtering cylinder to be rotatable and the scraper to be away from the liquid outlet channel, the impurities on the filtering cylinder can be conveniently removed, and the flow of fluid in the liquid outlet channel is not affected during residue removal; by arranging the blowdown butterfly valve, residue can be conveniently removed.

[0018] Secondly, by arranging the residue removing cylinder and the filtering hole on the residue removing cylinder, water is discharged from the filtering hole during the process of removing impurities, most of the impurities are located in the residue removing cylinder, and the impurities are moved to the lower part of the filtering channel with the residue removing cylinder; by arranging the partition plate, the through channel and the blocking plate, on one hand, the impurities are transferred to the lower part of the partition plate, and the filtering cylinder is conveniently cleaned, and on the other hand, the filtering cylinder is separated from the lower part of the partition plate, and then the upper filtering cylinder is normally filtered, and the lower part of the partition plate is used for residue removal, so that the filtering efficiency and the residue removal efficiency are effectively improved.

[0019] Other advantages, objects, and features of the present application will be apparent to those skilled in the art from the following description of the preferred embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 The structure diagram of the anti-blocking Y-type filter according to one of the technical solutions of the present application;

[0021] Fig. 2 The structure diagram of the scraper according to one of the technical solutions of the present application; DETAILED DESCRIPTION

[0022] The present application will be further described in detail with reference to the accompanying drawings, so that those skilled in the art can implement the present application according to the description and drawings.

[0023] As shown in Figs. 1-2 The present application provides an anti-blocking Y-type filter, which comprises a filter body, a liquid inlet channel 1, a filter channel 3 and a liquid outlet channel 2 are sequentially arranged in the filter body, the filter channel 3 is obliquely arranged at the lower end of the filter body, and further comprises:

[0024] A filter cartridge 6 is rotatably arranged in the filter channel 3;

[0025] A slag removal assembly comprises a scraper 7 which can reciprocate along the length direction of the inner wall of the filter cartridge 6, the edge of the scraper 7 towards the filter cartridge 6 is arc-shaped to remove impurities on the filter cartridge 6, and the scraper 7 is arranged away from the liquid outlet channel 2.

[0026] A blowdown butterfly valve 4 is arranged at the end of the filter channel 3, and the blowdown butterfly valve 4 is connected with the filter channel 3 through a flange plate.

[0027] In the technical scheme, the filter cartridge 6 is coaxially arranged in the filtering channel 3, the mesh size of the filter cartridge 6 is set according to the fluid medium, the rotating mode of the filter cartridge 6 can be realized by coaxially arranging a rotating rod on the filter cartridge 6, the rotating rod extends out of the filter body at the end, and the rotating rod can be manually driven to rotate or driven by a motor; the slag removal assembly is arranged in the filter cartridge 6, the curvature of the arc-shaped edge of the scraper 7 matches and is attached to the inner wall of the filter cartridge 6, the scraper 7 reciprocally moves along the extension direction of the central axis of the filter cartridge 6, the reciprocating mode of the scraper 7 can be driven by manual force or the first telescopic motor 15, the first telescopic motor 15 is arranged outside the filter body, the output shaft of the first telescopic motor 15 is detachably connected with a connecting rod, the connecting rod passes through the filter body and is connected with the scraper 7 to drive the scraper 7 to move, the scraper 7 is arranged away from the liquid outlet channel 2 to reduce the influence of the scraper 7 on the flow of the fluid in the liquid outlet channel 2 (specifically, the liquid outlet channel 2 and the scraper 7 are located on the two sides of the central axis of the filter cartridge 6), and the blowdown butterfly valve 4 is arranged at the end of the filtering channel 3 and is used for controlling the discharge of impurities, the blowdown butterfly valve 4 adopts the prior art, that is, the blowdown butterfly valve 4 comprises a valve seat, a butterfly valve, a valve rod and a valve handle, and a sealing ring is arranged on the valve seat; the filter cartridge 6 can be designed to be manually started to rotate at regular intervals or always rotate during the filtering process, or rotate at regular intervals, for example, the filter cartridge 6 rotates for 30 minutes every 5 hours, and the scraper 7 reciprocally moves during rotation.

[0028] During use, the blowdown butterfly valve 4 is in a closed state during normal filtering (without discharging impurities), the filter cartridge 6 rotates and drives the scraper 7 to move up and down along the inner wall of the filter cartridge 6 when the filter cartridge 6 needs to be cleaned of impurities during the filtering process, and the blowdown butterfly valve 4 is opened to remove slag when slag needs to be removed.

[0029] According to the technical scheme, the filter cartridge 6 and the scraper 7 are rotatable, the impurities on the filter cartridge 6 can be removed in time, the filter cartridge 6 is not blocked by impurities, and the filtering efficiency is improved; the filter cartridge 6 is rotatable and the scraper 7 is arranged away from the liquid outlet channel 2, so that the impurities on the filter cartridge 6 can be removed conveniently, and the flow of the fluid in the liquid outlet channel 2 is not affected during slag removal; the blowdown butterfly valve 4 is arranged, and slag can be conveniently removed.

[0030] In another technical solution, the lower surface of the scraper 7 is provided with an arc-shaped slag removal cylinder 8 (the central axis of the slag removal cylinder 8 is parallel to the central axis of the filter cylinder 6, the central axis of the slag removal cylinder 8 is perpendicular to the scraper 7, the cross section of the slag removal cylinder 8 is arc-shaped, and the cross section is parallel to the scraper 7), the two straight edges of the slag removal cylinder 8 are not in contact with the inner wall of the filter cylinder 6 (specifically, the distance between the two straight edges of the slag removal cylinder 8 and the inner wall of the filter cylinder 6 is d, 2mm≤d≤6mm), a plurality of filter holes 9 are arranged on the slag removal cylinder 8 at intervals, and the diameter of the filter hole 9 is smaller than the mesh diameter of the filter cylinder 6. By adopting this technical solution, the filter hole 9 is arranged on the slag removal cylinder 8, so that water is discharged from the filter hole 9 during the process of removing impurities, most of the impurities are located in the slag removal cylinder 8, and the impurities are moved to the lower part of the filter passage 3 together with the slag removal cylinder 8.

[0031] In another technical solution, a partition plate 10 is arranged in the filter passage 3 (the partition plate 10 is perpendicular to the central axis of the filter cylinder 6), the lower end of the filter cylinder 6 is rotationally connected with the partition plate 10, the lower end of the partition plate 10 is provided with a through channel so that the slag removal cylinder 8 can pass through the partition plate 10, wherein the size of the scraper 7 is greater than the size of the through channel so as to block the through channel by the scraper 7, and a plurality of drainage holes are arranged at intervals on the upper end of the partition plate 10.

[0032] A blocking plate 12 (the blocking plate 12 is arranged above the partition plate 10 and parallel to the partition plate 10) can be moved towards or away from the drainage holes to close or open the plurality of drainage holes, the size of the drainage hole is smaller than the size of the mesh of the filter cylinder 6, the blocking plate 12 blocks the plurality of drainage holes at the same time, in the use process, when normal filtering, the blocking plate 12 does not block the drainage hole, the scraper 7 moves towards the partition plate 10 and passes through the through channel, part of the impurities is transferred to the lower part of the partition plate 10, the water in the lower part of the partition plate 10 is discharged from the drainage hole, then the scraper 7 is moved upwards, and the operation is repeated, when the impurities need to be discharged from the blowdown butterfly valve 4, the through channel is blocked by the scraper 7 first, then the drainage hole is blocked by the blocking plate 12, and the blowdown butterfly valve 4 is opened, at this time, the filter body can be normally filtered. By adopting this technical solution, the partition plate 10, the through channel and the blocking plate 12 are arranged, on the one hand, the impurities are transferred to the lower part of the partition plate 10, which is convenient for cleaning the filter cylinder 6, on the other hand, the filter cylinder 6 and the lower part of the partition plate 10 are separated, thereby realizing normal filtering of the upper filter cylinder 6 and slag removal of the lower partition plate 10, and effectively improving the filtering efficiency and the slag removal efficiency.

[0033] In another technical scheme, a plurality of clear hole rods 13 are arranged on the sealing plate 12 in intervals (the clear hole rods 13 are perpendicular to the sealing plate 12), and the plurality of clear hole rods 13 are arranged in one-to-one correspondence with a plurality of drainage holes (the diameter of the clear hole rods 13 is slightly smaller than the diameter of the drainage holes) to remove impurities in the drainage holes; when it is necessary to discharge slag from the blowdown butterfly valve 4, the clear hole rods 13 pass through the drainage holes; and when normal filtration is required, the sealing plate 12 can be moved at intervals once to enable the clear hole rods 13 to clear the drainage holes. By arranging the clear hole rods 13, the drainage holes can be effectively prevented from being blocked.

[0034] In another technical scheme, a first rotary motor 17 is arranged on the filter body, a connecting rod is arranged at the top end of the filter cartridge 6, a drive shaft 18 is arranged on the connecting rod (the drive shaft 18 is coaxially arranged with the filter cartridge 6), the drive shaft 18 is sealingly rotatable through the filter body and is connected with the output shaft of the first rotary motor 17 to drive the filter cartridge 6 to rotate. By adopting the technical scheme, the filter cartridge 6 is driven to rotate.

[0035] In another technical scheme, the arc-shaped edge of the scraper 7 is provided with a first brush 16, and the first brush 16 is in contact with the filter cartridge 6. By arranging the first brush 16, the filter cartridge 6 can be effectively cleaned of impurities.

[0036] In another technical scheme, an annular fixing ring 11 is arranged below the partition plate 10 (a support rod is arranged on the partition plate 10, the fixing ring 11 is connected with the support rod, and the fixing ring 11 is parallel to the partition plate 10), the fixing ring 11 corresponds to the through channel to enable the slag removal cartridge 8 to pass through, and a second brush is arranged in the fixing ring 11, and the second brush is in contact with the side wall of the slag removal cartridge 8 when the slag removal cartridge 8 passes through the fixing ring 11. By arranging the fixing ring 11 and the second brush, the filter holes 9 on the slag removal cartridge 8 can be prevented from being blocked.

[0037] The filter cartridge can be designed to be replaceable or non-replaceable. If designed to be replaceable, in order to facilitate replacement of the filter cartridge 6, the lower end of the filter channel 3 is detachably connected with an L-shaped residue discharge channel 5 through a flange, a residue discharge butterfly valve 4 is connected with the lower end of the residue discharge channel 5, the residue discharge channel 5 is provided with an access opening, the access opening is provided with a first sealing cover, the liquid inlet channel 1 is provided with a mounting opening, the mounting opening is provided with a second sealing cover, the driving shaft 18 is divided into two sections, one section of the driving shaft 18 is sealingly and rotatably arranged through the liquid inlet channel 1 and connected with the output shaft of the first rotary motor 17, the other section of the driving shaft 18 is connected with the connecting rod, the two ends of the two driving shafts 18 are detachably connected (one of the detachable implementation manners is that a positioning cylinder is arranged on one of the driving shafts 18, a first positioning hole is arranged through the positioning cylinder, a second positioning hole is arranged on the other section of the driving shaft 18, the first positioning hole and the second positioning hole are connected through a latch, and the disassembly is completed through the mounting opening); the partition plate 10 is detachably connected with the residue discharge channel (one of the detachable implementation manners can be that a ring-shaped connecting plate is arranged in the filter channel 3, and the partition plate 10 is connected with the connecting plate through screwing); the partition plate 10 is provided with a ring-shaped sliding rail, a plurality of sliding blocks are arranged on the sliding rail, and a ring-shaped fixing block is commonly connected with the plurality of sliding blocks; the lower end of the filter cartridge 6 is detachably connected with the fixing block to realize the rotary connection between the filter cartridge 6 and the partition plate 10, and the connecting rod is detachably connected with the top end of the filter cartridge 6; the blocking plate 12 is provided with a push rod (the push rod is parallel to the connecting rod), the residue discharge channel 5 is provided with a second telescopic motor 14, the output shaft of the second telescopic motor 14 is sealingly and slidingly arranged through the residue discharge channel 5 and detachably connected with the push rod, when the output shafts of the first telescopic motor 15 and the second telescopic motor 14 are contracted to the shortest, the connecting points of the push rod and the second telescopic motor 14 and the connecting rod and the first telescopic motor 15 are all located at the access opening, and the installation or disassembly is performed through the access opening; when the filter cartridge 6 needs to be replaced (in the state of stopping the replacement of the filter cartridge 6), the two sections of the driving shaft 18 are separated through the mounting opening, the connecting rod and the first telescopic motor 15 and the push rod and the second telescopic motor 14 are separated through the access opening, the filter channel 3 and the residue discharge channel 5 are separated, then the partition plate 10 and the filter cartridge 6 are taken out and a new filter cartridge 6 is replaced, after the replacement is completed, the above components are connected in sequence; through the arrangement of the residue discharge channel 5, on the one hand, the replacement of the filter cartridge 6 is facilitated, and on the other hand, in the process of scraping off the impurities, the impurities are facilitated to be deposited in the lower part of the residue discharge channel 5.

[0038] The number of devices and the scale of processing described herein are used to simplify the description of the present application. The application, modification and change of the anti-clogging Y-type filter of the present application are obvious to those skilled in the art.

[0039] Although the embodiments of the present application have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, and it can be applied to various fields suitable for the present application. For those skilled in the art, other modifications can be easily realized, and therefore the present application is not limited to specific details and the figures shown and described herein.

Claims

1. A clogging-preventing Y-type filter, comprising a filter body, a liquid inlet channel, a filter channel and a liquid outlet channel being arranged in the filter body in sequence, the filter channel being obliquely arranged at the lower end of the filter body, characterized in that, Also comprising: a filter cartridge rotatably arranged in the filter passage; a slag removal assembly comprising a scraper reciprocally movable along the length direction of the inner wall of the filter cartridge, the scraper being arc-shaped towards the edge of the filter cartridge to remove impurities on the filter cartridge, the scraper being arranged away from the liquid outlet passage; a blowdown butterfly valve arranged at the end of the filter passage.

2. The anti-plugging Y-type filter of claim 1, wherein, The lower surface of the scraper is provided with an arc-shaped slag removal cylinder, the two straight edges of the slag removal cylinder are not in contact with the inner wall of the filter cartridge, a plurality of filter holes are arranged on the slag removal cylinder in intervals, and the diameter of the filter holes is smaller than the mesh diameter of the filter cartridge.

3. The anti-plugging Y-type filter of claim 2, wherein, A partition plate is arranged in the filter passage, the lower end of the filter cartridge is rotatably connected with the partition plate, the lower end of the partition plate is provided with a through channel so that the slag removal cylinder can pass through the partition plate, wherein the size of the scraper is greater than the size of the through channel so as to block the through channel by the scraper, and the upper end of the partition plate is provided with a plurality of drainage holes in intervals; A blocking plate is movable towards or away from the drainage holes to close or open the plurality of drainage holes, and the size of the drainage holes is smaller than the size of the mesh of the filter cartridge.

4. The anti-plugging Y-type filter of claim 3, wherein, A plurality of cleaning hole rods are arranged on the blocking plate in intervals, and the plurality of cleaning hole rods are arranged one-to-one with the plurality of drainage holes to remove impurities in the drainage holes.

5. The anti-plugging Y-type filter of claim 3, wherein, A first rotary motor is arranged on the filter body, a connecting rod is arranged at the top end of the filter cartridge, a driving shaft is arranged on the connecting rod, the driving shaft is rotatably sealed through the filter body and connected with the output shaft of the first rotary motor to drive the filter cartridge to rotate.

6. The anti-plugging Y-type filter of claim 3, wherein, The arc-shaped edge of the scraper is provided with a first brush, and the first brush is in contact with the filter cartridge.

7. The anti-plugging Y-type filter of claim 3, wherein, An annular fixing ring is arranged below the partition plate, the fixing ring corresponds to the through channel so that the slag removal cylinder can pass through, and a second brush is arranged in the fixing ring, when the slag removal cylinder passes through the fixing ring, the second brush is in contact with the side wall of the slag removal cylinder.

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