CN112546698A - Filter dirt absorbing method for farmland irrigation - Google Patents
Filter dirt absorbing method for farmland irrigation Download PDFInfo
- Publication number
- CN112546698A CN112546698A CN202011134844.7A CN202011134844A CN112546698A CN 112546698 A CN112546698 A CN 112546698A CN 202011134844 A CN202011134844 A CN 202011134844A CN 112546698 A CN112546698 A CN 112546698A
- Authority
- CN
- China
- Prior art keywords
- filter screen
- cylindrical filter
- pipe
- gear
- rotate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000002262 irrigation Effects 0.000 title claims abstract description 28
- 238000003973 irrigation Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000012535 impurity Substances 0.000 claims abstract description 70
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 239000010865 sewage Substances 0.000 claims description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000003638 chemical reducing agent Substances 0.000 claims description 26
- 210000004209 hair Anatomy 0.000 claims description 24
- 239000002689 soil Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims 2
- 238000007493 shaping process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6423—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a translational movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a filter dirt absorbing method for farmland irrigation, which relates to the technical field of farmland irrigation and comprises the following steps: after the differential pressure sensor detects that the differential pressure signal reaches a preset value, the filter screen impurity separation device is synchronously started, and drives the bristles to contact with the outer surface of the cylindrical filter screen and impact the outer surface of the cylindrical filter screen from outside to inside, so that the bristles can be inserted into filtering gaps of the cylindrical filter screen; the filter screen impurity disengaging gear drives the bristles to contact with the outer surface of the cylindrical filter screen and impact the outer surface of the cylindrical filter screen from outside to inside, so that the bristles can be inserted into the filtering gaps of the cylindrical filter screen, the bristles can impact impurities stuck in the filtering gaps of the cylindrical filter screen, the impurities which are difficult to automatically suck away can also be disengaged from the cylindrical filter screen and smoothly discharged, and the dirt suction effect and the dirt suction quality are guaranteed.
Description
Technical Field
The invention relates to the technical field of farmland irrigation, in particular to a filter dirt absorbing method for farmland irrigation.
Background
When irrigating crops, all need the filter to filter irrigation water, because partial area quality of water is relatively poor, in addition equipment moves for a long time, leads to the more scaling of filter screen internal surface adhesion, and can't follow the separation of filter screen internal surface with its impact force through high pressure nozzle, and then make the suction nozzle can't inhale the blow off pipe with scaling.
Through retrieval, the Chinese patent with the publication number of CN207680133U discloses an agricultural irrigation filter with a self-draining function, which comprises end covers, a filter body, a coarse filter screen, a fine filter screen, a water inlet pipe and a sewage discharge pipe, wherein the two ends of the filter body are respectively and fixedly connected with the end covers, the water inlet pipe is fixedly communicated with the lower part of the filter body in a bilateral symmetry manner, the coarse filter screen is fixedly embedded at the contact part of the water inlet pipe and the filter body, and the fine filter screen is fixedly embedded in the middle of the filter body; the blowoff valve is opened by automation, and suction inlet department produces a suction, can inhale the suction pipe with the suspended solid that gathers on the thin filter screen internal surface, and the arc brush board rotates the internal surface of thin filter screen, makes the suspended solid of adhesion on the internal surface of thin filter screen by the removals, and in subsequent suction inlet inhales the suction pipe with the suspended solid that the removals again, improves the dirt absorbing capacity to the thin filter screen internal surface.
However, in the above technical solution, the inventor found that although the arc brush plate is arranged inside the filter body, the arc brush plate can contact with the inner wall of the fine filter screen, so that part of the impurities adhered to the inner wall of the fine filter screen can be cleaned, but more impurities are clamped into the filtering gaps of the fine filter screen, so that the arc brush plate adopting the cleaning manner from inside to outside is not only difficult to clean the impurities clamped into the filtering gaps of the fine filter screen, but also makes the impurities clamped into the filtering gaps tighter and more difficult to clean, and the inventor found through a great deal of research that the impurities clamped into the filtering gaps can be effectively cleaned by cleaning the filter screen in the cleaning manner from outside to inside, but how well to realize the cleaning manner from outside to inside in the filter, there is no good solution in the prior art.
Disclosure of Invention
The invention aims to provide a dirt absorbing method of a filter for field irrigation, and aims to solve the problem that impurities clamped into a filtering gap of a fine filter screen are difficult to clean in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the filter dirt absorbing method for farmland irrigation comprises the following steps:
step one, connecting a water inlet pipe with an external water source, and enabling water to enter a cylindrical filter screen through the water inlet pipe;
step two, discharging impurities and the like in the water to the outside of the cylindrical filter screen after being filtered by the cylindrical filter screen, and finally discharging the impurities and the like through a water outlet pipe for farmland irrigation;
step three, after more and more impurities and the like are trapped on the inner wall of the cylindrical filter screen, pressure difference is generated between the inside and the outside of the cylindrical filter screen, and after a pressure difference sensor positioned in the shell detects that a pressure difference signal reaches a preset value, the blowoff valve is started to be in an open state, the impurities and the like adhered to the inner wall of the cylindrical filter screen are sucked into the sewage suction branch pipe and then enter the sewage suction pipe, and finally the impurities and the like adhered to the inner wall of the cylindrical filter screen are discharged through the sewage discharge pipe;
and step four, after the differential pressure sensor detects that the differential pressure signal reaches a preset value, the filter screen impurity separation device is synchronously started, and the filter screen impurity separation device drives the bristles to contact with the outer surface of the cylindrical filter screen and impact the outer surface of the cylindrical filter screen from outside to inside, so that the bristles can be inserted into the filtering gaps of the cylindrical filter screen.
The further technical scheme of the invention is as follows: in the fourth step, after the differential pressure sensor detects that the differential pressure signal reaches a preset value, the first motor is started, after the deceleration action of the first speed reducer, the rotating shaft is driven to rotate, the rotating shaft drives the driving chain wheel to rotate, the driven chain wheel is driven to rotate by the transmission action of the chain, the driven chain wheel drives one of the shaft sleeves to rotate around the fixed shaft, the other adjacent shaft sleeve can rotate around the fixed shaft through the transmission action of the L-shaped rod and the connecting plate, when the connecting plate moves along and is close to the cylindrical filter screen, the brush hair is contacted with the outer surface of the cylindrical filter screen and impacts the outer surface of the cylindrical filter screen, so that the brush hair can be inserted into the filtering gap of the cylindrical filter screen, therefore, the impurities and the like which are stubborn and clamped in the filtering gaps of the cylindrical filter screen are knocked out by the bristles, and the impurities and the like which are difficult to automatically suck can be separated from the cylindrical filter screen and smoothly discharged.
The further technical scheme of the invention also comprises the following steps: when the first motor is started and drives the rotating shaft to rotate, the rotating shaft also drives the incomplete gear to rotate, the incomplete gear alternately drives the first gear and the second gear to rotate, the rotating directions of the first gear and the second gear are opposite, the first gear drives the first driving bevel gear which is coaxially arranged to rotate, the first driving bevel gear drives the first driven bevel gear to rotate, the rotation of the first driven bevel gear drives the sewage discharge pipe to rotate, the second gear drives the second driving bevel gear which is coaxially arranged to rotate, the rotation of the second driving bevel gear drives the second driven bevel gear to rotate, the rotation of the second driven bevel gear drives the sewage discharge pipe to rotate in the opposite direction, the alternate forward and reverse rotation of the sewage discharge pipe is realized, the alternate forward and reverse rotation of the sewage suction pipe is driven, the sewage suction pipe is in threaded connection with the threaded sleeve, and the sewage suction pipe alternately moves left and right while rotating.
In the fourth step, after the differential pressure sensor detects that a differential pressure signal reaches a preset value, a second motor is started, the rotating ring is driven to rotate through the speed reduction effect of a second speed reducer, the protruding block rotates along with the rotating ring, and after the protruding block is contacted with the impact sheet, the moving rod is pushed to move towards the cylindrical filter screen and drives the arc-shaped plate to move towards the cylindrical filter screen; when the convex block is separated from the impact sheet, the movable rod drives the bristles to reset under the action of the pressure spring.
The further technical scheme of the invention is as follows: in the fourth step, after the differential pressure sensor detects that the differential pressure signal reaches a preset value, the second motor is started, after the speed reduction action of the second speed reducer, the rotating ring is driven to rotate, the convex blocks rotate along with the rotating ring, the first magnets and the second magnets have corresponding superposed positions when rotating along with the rotating ring, the magnetic pole directions of the adjacent second magnets are opposite, the opposite magnetic poles of the first magnets and the second magnets of the part are the same, the two magnets repel each other to enable the second magnet to move away from the first magnet and towards the cylindrical filter screen, the brush bristles are driven to move towards the cylindrical filter screen, the opposite magnetic poles of the first magnet and the second magnet of other parts are opposite, the two magnets attract each other to enable the second magnet to move towards the first magnet and away from the cylindrical filter screen, thereby driving the bristles to move away from the tubular filter screen and achieving reciprocating movement of the bristles relative to the tubular filter screen as the first magnet rotates along with the rotating ring.
The invention further adopts the technical scheme that the filter dirt absorbing method for the farmland irrigation adopts a filter dirt absorbing device for the farmland irrigation, the filter dirt absorbing device for the farmland irrigation comprises a shell and an end cover arranged at one end of the shell, a cylindrical filter screen is fixedly arranged in the shell, a dirt absorbing pipe is coaxially arranged in the cylindrical filter screen, at least two dirt absorbing branch pipes are arranged on the dirt absorbing pipe, the opening ends of the dirt absorbing branch pipes are close to the inner wall of the cylindrical filter screen, the dirt absorbing pipe is communicated with a sewage draining pipe, the sewage draining pipe extends out of the shell, a sewage draining valve is arranged on the sewage draining pipe, a filter screen impurity separating device for separating impurities adsorbed on the cylindrical filter screen is arranged between the inner part of the shell and the outer surface of the cylindrical filter screen, and the filter screen impurity separating device can move bristles arranged outside the cylindrical filter screen towards the surface of the cylindrical filter screen so that the bristles can move together with the cylindrical filter screen The surface of the net is contacted, a water inlet pipe is communicated with the cylindrical filter screen, and a water outlet pipe is communicated with the shell.
According to the further technical scheme, the filter screen impurity separation device comprises fixing shafts which are uniformly arranged outside the cylindrical filter screen along the circumferential direction of the cylindrical filter screen, adjacent fixing shafts are fixedly connected with each other through arc-shaped rods, shaft sleeves are rotatably connected to the fixing shafts, L-shaped rods are fixedly connected to the shaft sleeves, the L-shaped rods on the two adjacent shaft sleeves are fixedly connected with each other through connecting plates, bristles are arranged on the connecting plates, when one shaft sleeve rotates around the fixing shafts, the other adjacent shaft sleeve can rotate around the fixing shafts through the transmission effect of the L-shaped rods and the connecting plates, when the connecting plates move along and are close to the cylindrical filter screen, the bristles are in contact with the outer surface of the cylindrical filter screen, and one shaft sleeve is driven by a rotation driving mechanism to rotate around the fixing shafts.
The invention has the further technical scheme that the rotation driving mechanism comprises a driven sprocket fixedly arranged on one shaft sleeve, a sealing cover fixedly arranged on the outer surface of an end cover, a rotating shaft rotatably arranged in the sealing cover, a driving sprocket arranged on the rotating shaft and a chain for connecting the driven sprocket and the driving sprocket, a first speed reducer and a first motor are arranged outside the sealing cover, the output end of the first motor is connected with the input end of the first speed reducer, the output end of the first speed reducer is fixedly connected with the rotating shaft, a threaded sleeve is fixedly connected on the end cover, an internal thread is arranged inside the threaded sleeve, an external thread part is formed on the part surface of the sewage suction pipe, the sewage suction pipe penetrates through the threaded sleeve to realize the connection of the external thread part and the internal thread, one end of the sewage suction pipe extends into the sealing cover, and the sewage discharge pipe is rotatably connected with the wall body of the sealing cover, the sewage discharge pipe and the sewage suction pipe are coaxially sleeved through a flat key so as to synchronously rotate and move transversely relative to the sewage suction pipe, and the sewage discharge pipe is driven by a forward and reverse rotation driving mechanism to perform alternate forward and reverse rotation movement.
According to the further technical scheme, the positive and negative rotation driving mechanism comprises an incomplete gear, a first gear and a second gear, the incomplete gear is installed on the rotating shaft and is in rotating connection with the sealing cover body, the incomplete gear is in alternate meshing connection with the first gear and the second gear, the first gear is coaxially connected with a first driving bevel gear, the second gear is coaxially connected with a second driving bevel gear, a first driven bevel gear and a second driven bevel gear are fixedly arranged on the sewage discharge pipe, and the first driven bevel gear and the second driven bevel gear are in meshing connection with the first driving bevel gear and the second driving bevel gear respectively.
According to the further technical scheme, the filter screen impurity separation device comprises at least two fixing rings fixedly arranged on the outer portion of the cylindrical filter screen, moving rods penetrate through the fixing rings movably, the moving rods are arranged along the radial direction of the cylindrical filter screen, arc-shaped plates are fixedly connected to the end portions, facing the cylindrical filter screen, of the moving rods, bristles are arranged on the arc-shaped plates, rotating rings are coaxially arranged on the outer portions of the fixing rings, adjacent rotating rings are fixedly connected with each other through fixing rods, a second speed reducer and a second motor are mounted on the outer surface of an end cover, the output end of the second motor is connected with the input end of the second speed reducer, the output end of the second speed reducer is fixedly connected with one of the rotating rings coaxially, and a reciprocating movement mechanism used for enabling the moving rods to move towards the cylindrical filter screen is arranged on the rotating rings.
The invention has the beneficial effects that: after differential pressure sensor detects the pressure differential signal and arrives the default, the synchronous start-up of filter screen impurity disengaging gear, filter screen impurity disengaging gear takes the surface contact of brush hair and tube-shape filter screen and outside-in's striking tube-shape filter screen's surface, make the brush hair can insert in the filtration gap of tube-shape filter screen, thereby make the brush hair with stubborn card impurity etc. in the filtration gap of tube-shape filter screen by the striking, thereby make these impurity etc. that are difficult to automatic being siphoned away also can break away from the tube-shape filter screen and smoothly be discharged, soil pick-up effect and soil pick-up quality have been guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a schematic view showing the structure of the brush of fig. 2 in another state.
Fig. 4 is a schematic structural diagram of another embodiment of the present invention.
Fig. 5 is a sectional view taken along line B-B of fig. 4.
Fig. 6 is a schematic structural diagram of another embodiment of the present invention.
Fig. 7 is a sectional view taken along line C-C of fig. 6.
Fig. 8 is a schematic structural diagram of another embodiment of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 8, a method of filter soil pick-up for field irrigation, comprising the steps of:
firstly, communicating a water inlet pipe 3 with an external water source, and enabling water to enter a cylindrical filter screen 2 through the water inlet pipe 3;
secondly, discharging impurities and the like in the water to the outside of the cylindrical filter screen 2 after being filtered by the cylindrical filter screen 2, and finally discharging the impurities and the like to be used for field irrigation through a water outlet pipe 4;
step three, after more and more impurities and the like are intercepted on the inner wall of the cylindrical filter screen 2, pressure difference is generated between the inside and the outside of the cylindrical filter screen 2, and after a pressure difference sensor positioned in the shell 1 detects that a pressure difference signal reaches a preset value, the blowoff valve 28 is started to be in an open state, the impurities and the like adhered on the inner wall of the cylindrical filter screen 2 are sucked into the sewage suction branch pipe 32 and then enter the sewage suction pipe 29, and finally the impurities and the like adhered on the inner wall of the cylindrical filter screen 2 are discharged through the sewage discharge pipe 27;
and step four, after the differential pressure sensor detects that the differential pressure signal reaches a preset value, the filter screen impurity separation device is synchronously started, and the filter screen impurity separation device drives the bristles 5 to be in contact with the outer surface of the cylindrical filter screen 2 and impact the outer surface of the cylindrical filter screen 2 from outside to inside, so that the bristles 5 can be inserted into the filtering gaps of the cylindrical filter screen 2.
Optionally, in the fourth step, after the differential pressure sensor detects that the differential pressure signal reaches the preset value, the first motor 18 is started, after the deceleration action of the first decelerator 17, the rotating shaft 19 is driven to rotate, the rotating shaft 19 drives the driving sprocket to rotate, the driven chain wheel 14 is driven to rotate through the transmission action of the chain, the driven chain wheel 14 drives one of the shaft sleeves 8 to rotate around the fixed shaft 7, the adjacent other shaft sleeve 8 can rotate around the fixed shaft 7 through the transmission action of the L-shaped rod 9 and the connecting plate 10, when the connecting plate 10 moves along and is close to the cylindrical filter screen 2, the brush hairs 5 are contacted with the outer surface of the cylindrical filter screen 2 and impact the outer surface of the cylindrical filter screen 2, so that the brush hairs 5 can be inserted into the filter gaps of the cylindrical filter screen 2, therefore, the brush 5 can knock out the impurities stuck in the filtering gap of the tubular filter screen 2, and the impurities which are difficult to be automatically sucked can be smoothly discharged by separating from the tubular filter screen 2.
When the first motor 18 is started and drives the rotating shaft 19 to rotate, the rotating shaft 19 also drives the incomplete gear 20 to rotate, the incomplete gear 20 alternately drives the first gear 21 and the second gear 24 to rotate, the rotating directions of the first gear 21 and the second gear 24 are opposite, the first gear 21 drives the first driving bevel gear 22 which is coaxially arranged to rotate, the first driving bevel gear 22 drives the first driven bevel gear 23 to rotate, the rotation of the first driven bevel gear 23 drives the sewage discharge pipe 27 to rotate, the second gear 24 drives the second driving bevel gear 25 which is coaxially arranged to rotate, the rotation of the second driving bevel gear 25 drives the second driven bevel gear 26 to rotate, the rotation of the second driven bevel gear 26 drives the sewage discharge pipe 27 to rotate in the opposite direction, so that the alternate forward and reverse rotation of the sewage discharge pipe 27 is realized, the alternate forward and reverse rotation of the sewage suction pipe 29 is driven, and the sewage suction pipe 29 is in threaded connection with the threaded sleeve 30, the soil suction pipe 29 alternately moves left and right while rotating.
Optionally, in the fourth step, after the differential pressure sensor detects that the differential pressure signal reaches the preset value, the second motor 33 is started, the rotating ring 35 is driven to rotate through the deceleration action of the second speed reducer 34, the protruding block 36 rotates along with the rotating ring 35, when the protruding block 36 contacts with the impact piece 38, the moving rod 39 is pushed to move towards the cylindrical filter screen 2, and the moving rod 39 drives the arc-shaped plate 40 to move towards the cylindrical filter screen 2; when the bump 36 is disengaged from the striking plate 38, the movable rod 39 is returned with the bristles 5 by the action of the compression spring 41.
Optionally, in the fourth step, after the differential pressure sensor detects that the differential pressure signal reaches the preset value, the second motor 33 is started, and after the deceleration action of the second speed reducer 34, the rotating ring 35 is driven to rotate, the protruding block 36 rotates along with the rotating ring 35, the first magnet 43 has a corresponding overlapping position with the second magnet 44 when rotating along with the rotating ring 35, the magnetic poles of the adjacent second magnets 44 are arranged in opposite directions, the magnetic poles of the first magnet 43 and the second magnet 44 of the portion are the same, the first magnet 43 and the second magnet 44 of the portion repel each other, so that the second magnet 44 moves away from the first magnet 43 and towards the cylindrical filter screen 2, the brush 5 is driven to move towards the cylindrical filter screen 2, the magnetic poles of the first magnet 43 and the second magnet 44 of the other portion are opposite, the first magnet 43 and the second magnet 44 move away from the cylindrical filter screen 2, so that the brush 5 moves away from the cylindrical filter screen 2, when the first magnet 43 follows the rotation of the rotary ring 35, the brush 5 is moved back and forth relative to the tubular filter screen 2.
The filter dirt absorbing method for the farmland irrigation adopts a filter dirt absorbing device for the farmland irrigation, the filter dirt absorbing device for the farmland irrigation comprises a shell 1 and an end cover 15 arranged at one end of the shell 1, preferably, the end cover 15 is arranged at one end of the shell 1 through a bolt assembly 16, a cylindrical filter screen 2 is fixedly arranged in the shell 1, a dirt absorbing pipe 29 is coaxially arranged in the cylindrical filter screen 2, at least two dirt absorbing branch pipes 32 are arranged on the dirt absorbing pipe 29, the opening ends of the dirt absorbing branch pipes 32 are close to the inner wall of the cylindrical filter screen 2, the dirt absorbing pipe 29 is communicated with a drain pipe 27, the drain pipe 27 extends out of the shell 1, a drain valve 28 is arranged on the drain pipe 27, and a filter screen impurity separating device for separating impurities adsorbed on the cylindrical filter screen 2 is arranged between the inner part of the shell 1 and the outer surface of the cylindrical filter screen 2, the filter screen impurity disengaging gear can move the brush hair 5 arranged outside the cylindrical filter screen 2 towards the surface of the cylindrical filter screen 2 so as to enable the brush hair 5 to be in contact with the surface of the cylindrical filter screen 2, a water inlet pipe 3 is communicated with the cylindrical filter screen 2, and a water outlet pipe 4 is communicated with the shell 1.
In the invention, a water inlet pipe 3 is communicated with an external water source, water enters a cylindrical filter screen 2 through the water inlet pipe 3, impurities in the water are filtered by the cylindrical filter screen 2 and then discharged to the outside of the cylindrical filter screen 2, and finally discharged through a water outlet pipe 4 for field irrigation, when more and more impurities and the like are intercepted on the inner wall of the cylindrical filter screen 2, pressure difference is generated between the inside and the outside of the cylindrical filter screen 2, a pressure difference sensor positioned in a shell 1 detects that a pressure difference signal reaches a preset value, a blow-off valve 28 is started to be in an open state, as shown in figure 4, the impurities and the like adhered on the inner wall of the cylindrical filter screen 2 are sucked into a sewage suction branch pipe 32 and then enter a sewage suction pipe 29, finally the impurities and the like adhered on the inner wall of the cylindrical filter screen 2 are discharged through a blow-off pipe 27, and a filter screen impurity separation device is synchronously, the filter screen impurity disengaging gear drives the brush hair 5 to contact with the outer surface of the cylindrical filter screen 2 and impact the outer surface of the cylindrical filter screen 2 from outside to inside, so that the brush hair 5 can be inserted into the filtering gap of the cylindrical filter screen 2, the brush hair 5 can bump impurities stuck in the filtering gap of the cylindrical filter screen 2, the impurities which are difficult to automatically suck can also be disengaged from the cylindrical filter screen 2 and smoothly discharged, and the dirt sucking effect and the dirt sucking quality are ensured.
Specifically, as shown in fig. 2 and 3, the filter screen impurity disengaging device includes fixing shafts 7 uniformly arranged outside the cylindrical filter screen 2 along the circumferential direction of the cylindrical filter screen 2, adjacent fixing shafts 7 are fixedly connected with each other through arc-shaped rods 6, shaft sleeves 8 are rotatably connected to the fixing shafts 7, L-shaped rods 9 are fixedly connected to the shaft sleeves 8, the L-shaped rods 9 on two adjacent shaft sleeves 8 are fixedly connected with each other through a connecting plate 10, the bristles 5 are arranged on the connecting plate 10, when one of the shaft sleeves 8 rotates around the fixing shaft 7, the other adjacent shaft sleeve 8 can rotate around the fixing shaft 7 through the transmission action of the L-shaped rods 9 and the connecting plate 10, when the connecting plate 10 moves along and is close to the cylindrical filter screen 2, the bristles 5 contact with the outer surface of the cylindrical filter screen 2, and one of the shaft sleeves 8 is driven to rotate around the fixing shaft 7 by a rotation driving mechanism, the rotation driving mechanism comprises a driven sprocket 14 fixedly arranged on one of the shaft sleeves 8, a sealing cover body 11 fixedly arranged on the outer surface of the end cover 5, a rotating shaft 19 rotatably arranged in the sealing cover body 11, a driving sprocket (not shown in the figure) arranged on the rotating shaft 19 and a chain (not shown in the figure) used for connecting the driven sprocket 14 and the driving sprocket, a first speed reducer 17 and a first motor 18 are arranged outside the sealing cover body 11, the output end of the first motor 18 is connected with the input end of the first speed reducer 17, and the output end of the first speed reducer 17 is fixedly connected with the rotating shaft 19.
In the invention, after a differential pressure sensor detects that a differential pressure signal reaches a preset value, a first motor 18 is started, after the speed reduction action of a first speed reducer 17, a rotating shaft 19 is driven to rotate, the rotating shaft 19 drives a driving sprocket to rotate, a driven sprocket 14 is driven to rotate through the transmission action of a chain, the driven sprocket 14 drives one of shaft sleeves 8 to rotate around a fixed shaft 7, the adjacent other shaft sleeve 8 can rotate around the fixed shaft 7 through the transmission action of an L-shaped rod 9 and a connecting plate 10, when the connecting plate 10 moves along and is close to a cylindrical filter screen 2, bristles 5 are in contact with the outer surface of the cylindrical filter screen 2 and impact the outer surface of the cylindrical filter screen 2, so that the bristles 5 can be inserted into filter gaps of the cylindrical filter screen 2, and thus stubborn impurities and the like clamped in the filter gaps of the cylindrical filter screen 2 are impacted, and the impurities and the like which are difficult to be automatically sucked can also be separated from the cylindrical filter screen 2 and, the dirt absorption effect and the dirt absorption quality are guaranteed, in addition, a shaft sleeve 8 is driven to rotate around the fixing shaft 7, all shaft sleeves 8 surrounding the cylindrical filter screen 2 can be synchronously driven to rotate around the corresponding fixing shaft 7, and therefore the surfaces of the cylindrical filter screens 2 continuously impacted by the brush hairs 5 are achieved, the structure is ingenious, and the using effect is good.
The end cover 15 is fixedly connected with a threaded sleeve 30, an internal thread is arranged in the threaded sleeve 30, an external thread part is formed on the partial surface of the sewage suction pipe 29, the sewage suction pipe 29 penetrates through the threaded sleeve 30 to be connected with the external thread part and the internal thread, one end of the sewage suction pipe 29 extends into the sealing cover body 11, the sewage discharge pipe 27 is rotatably connected with the wall body of the sealing cover body 11, the sewage discharge pipe 27 and the sewage suction pipe 29 are coaxially sleeved through a flat key 31 to realize synchronous rotation and relative transverse movement of the sewage discharge pipe 27 and the sewage suction pipe 29, the sewage discharge pipe 27 is driven by a forward and reverse driving mechanism to perform alternate forward and reverse rotation movement, the forward and reverse driving mechanism comprises an incomplete gear 20 arranged on the rotating shaft 19, a first gear 21 and a second gear 24 which are rotatably connected with the sealing cover body 11, the incomplete gear 20 is alternately meshed with the first gear 21 and the second gear 24, first gear 21 coaxial coupling has first initiative bevel gear 22, second gear 24 coaxial coupling has second initiative bevel gear 25, the fixed first driven bevel gear 23 and the driven bevel gear 26 of second that is provided with on blow off pipe 27, first driven bevel gear 23 and the driven bevel gear 26 of second respectively with first initiative bevel gear 22 with second initiative bevel gear 25 meshing connection.
When the first motor 18 is started and drives the rotating shaft 19 to rotate, the rotating shaft 19 also drives the incomplete gear 20 to rotate, the incomplete gear 20 alternately drives the first gear 21 and the second gear 24 to rotate, the rotating directions of the first gear 21 and the second gear 24 are opposite, the first gear 21 drives the first driving bevel gear 22 which is coaxially arranged to rotate, the first driving bevel gear 22 drives the first driven bevel gear 23 to rotate, the rotation of the first driven bevel gear 23 drives the sewage discharge pipe 27 to rotate, the second gear 24 drives the second driving bevel gear 25 which is coaxially arranged to rotate, the rotation of the second driving bevel gear 25 drives the second driven bevel gear 26 to rotate, the rotation of the second driven bevel gear 26 drives the sewage discharge pipe 27 to rotate in the opposite direction, and finally, the alternate forward and reverse rotation of the sewage discharge pipe 27 is realized, because the sewage discharge pipe 27 and the sewage suction pipe 29 are coaxially sleeved through the flat key 31 to realize the synchronous rotation and the relative transverse movement of the sewage discharge pipe 27 and the sewage suction pipe 29, therefore, the soil suction pipes 29 are alternately rotated forward and backward, and the soil suction pipes 29 rotated forward and backward are alternately laterally moved leftward and rightward by screwing the soil suction pipes 29 to the threaded sleeves 30, so that the soil suction pipes 29 are rotated and also alternately laterally moved leftward and rightward, the soil suction branch pipes 32 can be completely aligned with the inner wall of the tubular screen 2, and the soil suction effect can be ensured.
Optionally, the filter screen impurity disengaging device includes at least two fixed rings 37 fixedly disposed outside the cylindrical filter screen 2, the fixed rings 37 are movably passed through by a moving rod 39, the moving rod 39 is disposed along the radial direction of the cylindrical filter screen 2, the moving rod 39 faces the end of the cylindrical filter screen 2 and is fixedly connected with an arc 40, the bristles 5 are disposed on the arc 40, the outer portions of the fixed rings 37 are coaxially provided with rotating rings 35, the adjacent rotating rings 35 are fixedly connected with each other through a fixed rod 42, the outer surface of the end cover 15 is provided with a second speed reducer 34 and a second motor 33, the output end of the second motor 33 is connected with the input end of the second speed reducer 34, the output end of the second speed reducer 34 is coaxially and fixedly connected with one of the rotating rings 35, the rotating rings 35 are provided with a reciprocating mechanism for moving the moving rod 39 towards the cylindrical filter screen 2, more specifically, the reciprocating mechanism comprises a protruding block 36 fixedly arranged on the inner wall of the rotating ring 35, an impact piece 38 is fixedly connected to the end, facing the rotating ring 35, of the moving rod 39, and the impact piece 38 is connected with the fixing ring 37 through a pressure spring 41.
In the invention, after the differential pressure sensor detects that the differential pressure signal reaches a preset value, the second motor 33 is started, the rotating ring 35 is driven to rotate after the speed reduction action of the second speed reducer 34, the convex block 36 rotates along with the rotating ring 35, as shown in fig. 7, after the convex block 36 contacts with the impact sheet 38, the moving rod 39 is pushed to move towards the cylindrical filter screen 2, the moving rod 39 drives the arc-shaped plate 40 to move towards the cylindrical filter screen 2, and finally, the brush hair 5 can be inserted into the filtering gap of the cylindrical filter screen 2, so that the brush hair 5 can impact the stubborn impurities and the like clamped in the filtering gap of the cylindrical filter screen 2, the impurities and the like which are difficult to be automatically sucked can also be separated from the cylindrical filter screen 2 and smoothly discharged, and the dirt sucking effect and the dirt sucking quality are ensured; when the bump 36 is disengaged from the striking plate 38, the movable rod 39 is returned with the bristles 5 by the action of the compression spring 41.
Of course, it is still optional, the reciprocating mechanism includes fixed setting in first magnet 43 and the fixed connection of rotating ring 35 inner wall are in the second magnet 44 of carriage release lever 39 tip, and the opposite setting of magnetic pole direction of adjacent second magnet 44, and first magnet 43 has corresponding coincidence position with second magnet 44 when following rotating ring 35 and rotating, and is preferred, first magnet 43 with second magnet 44 is neodymium iron boron magnet.
After the differential pressure sensor detects that the differential pressure signal reaches a preset value, the second motor 33 is started, the rotating ring 35 is driven to rotate through the deceleration action of the second speed reducer 34, the convex block 36 rotates along with the rotating ring 35, as shown in fig. 8, when the first magnet 43 rotates along with the rotating ring 35, the first magnet 44 and the second magnet 44 have corresponding overlapping positions, and the magnetic poles of the adjacent second magnets 44 are opposite, so that the first magnet 43 and the part of the second magnet 44 have the same opposite magnetic poles, the first magnet 43 and the part of the second magnet 44 repel each other, the second magnet 44 moves away from the first magnet 43 and towards the cylindrical filter screen 2, the brush 5 moves towards the cylindrical filter screen 2, of course, the first magnet 43 and the other part of the second magnet 44 have opposite magnetic poles, the first magnet 43 and the other part of the second magnet 44 attract each other, and the second magnet 44 moves towards the first magnet 43 and away from the cylindrical filter screen 2, thereby take brush hair 5 to keep away from tube-shape filter screen 2 and remove, then realized brush hair 5 for tube-shape filter screen 2's reciprocating motion when first magnet 43 rotates along with swivel 35, finally make brush hair 5 can insert in tube-shape filter screen 2's the filtration gap, thereby make brush hair 5 will stubborn card impurity etc. in tube-shape filter screen 2's the filtration gap by the striking, thereby make these impurity etc. that are difficult to automatic being siphoned off also can break away from tube-shape filter screen 2 and smoothly be discharged, guaranteed soil pick-up effect and soil pick-up quality.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A filter dirt absorbing method for farmland irrigation is characterized by comprising the following steps:
firstly, communicating a water inlet pipe (3) with an external water source, and enabling water to enter a cylindrical filter screen (2) through the water inlet pipe (3);
secondly, discharging impurities and the like in the water to the outside of the cylindrical filter screen (2) after being filtered by the cylindrical filter screen (2), and finally discharging the impurities and the like through a water outlet pipe (4) for farmland irrigation;
step three, after more and more impurities and the like are intercepted on the inner wall of the cylindrical filter screen (2), pressure difference is generated between the inside and the outside of the cylindrical filter screen (2), a pressure difference sensor positioned in the shell (1) detects that a pressure difference signal reaches a preset value, a blow-off valve (28) is started to be in an open state, the impurities and the like adhered on the inner wall of the cylindrical filter screen (2) are sucked into a sewage suction branch pipe (32) and then enter a sewage suction pipe (29), and finally the impurities and the like adhered on the inner wall of the cylindrical filter screen (2) are discharged through a blow-off pipe (27);
and step four, after the differential pressure sensor detects that the differential pressure signal reaches a preset value, the filter screen impurity separation device is synchronously started, and the filter screen impurity separation device drives the bristles (5) to be in contact with the outer surface of the cylindrical filter screen (2) and impact the outer surface of the cylindrical filter screen (2) from outside to inside, so that the bristles (5) can be inserted into the filtering gaps of the cylindrical filter screen (2).
2. The method for absorbing dirt of a filter for farmland irrigation as claimed in claim 1, wherein in the fourth step, after the differential pressure sensor detects that the differential pressure signal reaches a preset value, the first motor (18) is started, the rotating shaft (19) is driven to rotate through the deceleration action of the first decelerator (17), the rotating shaft (19) drives the driving sprocket to rotate, the driven sprocket (14) is driven to rotate through the transmission action of the chain, the driven sprocket (14) drives one of the shaft sleeves (8) to rotate around the fixed shaft (7), the other adjacent shaft sleeve (8) can rotate around the fixed shaft (7) through the transmission action of the L-shaped rod (9) and the connecting plate (10), and when the connecting plate (10) moves along and approaches the cylindrical filter screen (2), the brush bristles (5) contact with the outer surface of the cylindrical filter screen (2) and impact the outer surface of the cylindrical filter screen (2), the brush hairs (5) can be inserted into the filtering gaps of the cylindrical filter screen (2), so that the brush hairs (5) can impact the stubborn impurities and the like clamped in the filtering gaps of the cylindrical filter screen (2), and the impurities and the like which are difficult to automatically suck can also be separated from the cylindrical filter screen (2) and smoothly discharged.
3. The method of claim 2, further comprising the steps of: when the first motor (18) is started and drives the rotating shaft (19) to rotate, the rotating shaft (19) also drives the incomplete gear (20) to rotate, the incomplete gear (20) alternately drives the first gear (21) and the second gear (24) to rotate, the rotating directions of the first gear (21) and the second gear (24) are opposite, the first gear (21) drives the first driving bevel gear (22) which is coaxially arranged to rotate, the first driving bevel gear (22) drives the first driven bevel gear (23) to rotate, the rotation of the first driven bevel gear (23) drives the sewage discharge pipe (27) to rotate, the second gear (24) drives the second driving bevel gear (25) which is coaxially arranged to rotate, the rotation of the second driving bevel gear (25) drives the second driven bevel gear (26) to rotate, the rotation of the second driven bevel gear (26) drives the sewage discharge pipe (27) to rotate in the opposite direction, the sewage discharge pipe (27) can rotate forward and backward alternately, the sewage suction pipe (29) is driven to rotate forward and backward alternately, the sewage suction pipe (29) is in threaded connection with the threaded sleeve (30), and the sewage suction pipe (29) rotates and moves left and right alternately.
4. The method for absorbing dirt of a filter for farmland irrigation as claimed in claim 1, wherein in the fourth step, after the differential pressure sensor detects that the differential pressure signal reaches a preset value, the second motor (33) is started, the rotating ring (35) is driven to rotate through the deceleration action of the second decelerator (34), the convex block (36) rotates along with the rotating ring (35), and after the convex block (36) contacts with the impact sheet (38), the moving rod (39) is pushed to move towards the cylindrical filter screen (2), and the moving rod (39) drives the arc-shaped plate (40) to move towards the cylindrical filter screen (2); when the convex block (36) is separated from the impact sheet (38), the movable rod (39) drives the bristles (5) to reset through the action of the pressure spring (41).
5. A method for absorbing dirt from a filter for irrigating agricultural fields as defined in claim 1, wherein in the fourth step, after the differential pressure sensor detects a differential pressure signal to a predetermined value, the second motor (33) is activated to rotate the rotating ring (35) through the deceleration of the second decelerator (34), the bump (36) rotates along with the rotating ring (35), the first magnet (43) rotates along with the rotating ring (35) while having a corresponding position to the second magnet (44), the adjacent second magnet (44) has opposite magnetic poles, the first magnet (43) and the second magnet (44) of the portion have the same opposite magnetic poles, and they repel each other, so that the second magnet (44) moves away from the first magnet (43) and toward the cylindrical screen (2), and the brush (5) moves toward the cylindrical screen (2), and the first magnet (43) and the second magnet (44) of the other portion have opposite magnetic poles, the two magnets attract each other to move the second magnet (44) away from the tubular filter (2) towards the first magnet (43), thereby carrying the bristles (5) away from the tubular filter (2), and when the first magnet (43) follows the rotation of the rotating ring (35), the bristles (5) are moved back and forth relative to the tubular filter (2).
6. The method for absorbing the dirt of the filter for the farmland irrigation as claimed in claim 1, wherein the method for absorbing the dirt of the filter for the farmland irrigation adopts a device for absorbing the dirt of the filter for the farmland irrigation, and comprises a housing (1) and an end cover (15) arranged at one end of the housing (1), the housing (1) is fixedly provided with a cylindrical filter screen (2), the cylindrical filter screen (2) is coaxially provided with a dirt absorbing pipe (29), the dirt absorbing pipe (29) is provided with at least two dirt absorbing branch pipes (32), the open ends of the dirt absorbing branch pipes (32) are close to the inner wall of the cylindrical filter screen (2), the dirt absorbing pipe (29) is communicated with a sewage discharge pipe (27), the sewage discharge pipe (27) extends out of the housing (1), the sewage discharge pipe (27) is provided with a sewage discharge valve (28), and the space between the interior of the housing (1) and the outer surface of the cylindrical filter screen (2) is provided with a dirt absorbing device for the cylindrical filter screen (2) Impurity carries out the filter screen impurity disengaging gear that breaks away from, filter screen impurity disengaging gear can remove brush hair (5) that set up in tube-shape filter screen (2) outside towards the surface of tube-shape filter screen (2) so that brush hair (5) can with the surface contact of tube-shape filter screen (2), an inlet tube (3) with tube-shape filter screen (2) switch-on, an outlet pipe (4) with casing (1) switch-on.
7. A method as claimed in claim 6, wherein the filter screen impurity removing means comprises fixing shafts (7) uniformly arranged on the outside of the cylindrical filter screen (2) in the circumferential direction of the cylindrical filter screen (2), the adjacent fixing shafts (7) are fixedly connected to each other through arc-shaped rods (6), shaft sleeves (8) are rotatably connected to the fixing shafts (7), L-shaped rods (9) are fixedly connected to the shaft sleeves (8), the L-shaped rods (9) of the two adjacent shaft sleeves (8) are fixedly connected to each other through a connecting plate (10), the brush hairs (5) are arranged on the connecting plates (10), and when one of the shaft sleeves (8) rotates around the fixing shaft (7), the other adjacent shaft sleeve (8) can rotate around the fixing shaft (7) through the transmission action of the L-shaped rods (9) and the connecting plate (10), when the connecting plate (10) moves along with the cylindrical filter screen (2) and approaches the cylindrical filter screen, the bristles (5) are in contact with the outer surface of the cylindrical filter screen (2), and one shaft sleeve (8) is driven by a rotary driving mechanism to rotate around a fixed shaft (7).
8. The method for absorbing the dirt of the filter for the farmland irrigation as claimed in claim 7, wherein the rotary driving mechanism comprises a driven sprocket (14) fixedly arranged on one of the shaft sleeves (8), a sealing cover body (11) fixedly arranged on the outer surface of the end cover (5), a rotating shaft (19) rotatably arranged in the sealing cover body (11), a driving sprocket arranged on the rotating shaft (19) and a chain for connecting the driven sprocket (14) and the driving sprocket, a first speed reducer (17) and a first motor (18) are arranged outside the sealing cover body (11), the output end of the first motor (18) is connected with the input end of the first speed reducer (17), the output end of the first speed reducer (17) is fixedly connected with the rotating shaft (19), a threaded sleeve (30) is fixedly connected on the end cover (15), and internal threads are arranged inside the threaded sleeve (30), the partial surface shaping of soil pick-up pipe (29) has external screw thread portion, and soil pick-up pipe (29) pass thread bush (30) in order to realize that external screw thread portion and internal screw thread are connected, and in the one end of soil pick-up pipe (29) extended to the sealed cover body (11), blow off pipe (27) rotated with the wall body of the sealed cover body (11) and is connected, and blow off pipe (27) cup joint through parallel key (31) coaxial with soil pick-up pipe (29) and rotate and sideslip relatively in order to realize blow off pipe (27) and soil pick-up pipe (29), blow off pipe (27) are by its positive reverse drive mechanism drive that carries out alternate positive reverse motion.
9. The method of claim 8, wherein the filter is attached to the soil-receiving portion, the positive and negative rotation driving mechanism comprises an incomplete gear (20) arranged on the rotating shaft (19), a first gear (21) and a second gear (24) which are rotationally connected with the sealing cover body (11), the incomplete gear (20) is in alternate meshed connection with a first gear (21) and a second gear (24), the first gear (21) is coaxially connected with a first driving bevel gear (22), the second gear (24) is coaxially connected with a second driving bevel gear (25), a first driven bevel gear (23) and a second driven bevel gear (26) are fixedly arranged on the sewage discharge pipe (27), the first driven bevel gear (23) and the second driven bevel gear (26) are respectively in meshed connection with the first driving bevel gear (22) and the second driving bevel gear (25).
10. The method for absorbing dirt of a filter for farmland irrigation as claimed in claim 6, wherein the filter screen impurity disengaging device comprises at least two fixing rings (37) fixedly arranged at the outer part of the cylindrical filter screen (2), a moving rod (39) movably penetrates through the fixing rings (37), the moving rod (39) is arranged along the radial direction of the cylindrical filter screen (2), an arc-shaped plate (40) is fixedly connected to the end part of the moving rod (39) facing the cylindrical filter screen (2), the bristles (5) are arranged on the arc-shaped plate (40), rotating rings (35) are coaxially arranged at the outer part of the fixing rings (37), adjacent rotating rings (35) are fixedly connected with each other through fixing rods (42), a second speed reducer (34) and a second motor (33) are arranged on the outer surface of the end cover (15), and the output end of the second motor (33) is connected with the input end of the second speed reducer (34), the output end of the second speed reducer (34) is coaxially and fixedly connected with one of the rotating rings (35), and a reciprocating mechanism used for enabling the moving rod (39) to move towards the cylindrical filter screen (2) is arranged on the rotating ring (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011134844.7A CN112546698A (en) | 2020-10-21 | 2020-10-21 | Filter dirt absorbing method for farmland irrigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011134844.7A CN112546698A (en) | 2020-10-21 | 2020-10-21 | Filter dirt absorbing method for farmland irrigation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112546698A true CN112546698A (en) | 2021-03-26 |
Family
ID=75041325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011134844.7A Withdrawn CN112546698A (en) | 2020-10-21 | 2020-10-21 | Filter dirt absorbing method for farmland irrigation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112546698A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203441A (en) * | 2021-06-08 | 2021-08-03 | 张惠芸 | Detector for detecting temperature and humidity of food inner package |
| CN115259549A (en) * | 2022-07-18 | 2022-11-01 | 浙江北投环保科技有限公司 | River water environment treatment system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH022811A (en) * | 1987-11-25 | 1990-01-08 | Combustion Eng Europ | Self-purifying filter |
| EP0429409A1 (en) * | 1989-11-24 | 1991-05-29 | GEL - S.r.l. | Self-cleaning filter for hydraulic systems fitted with an hydraulic turbine which operates a number of cleaning brushes |
| CN2829851Y (en) * | 2005-10-21 | 2006-10-25 | 北京禹宗水资源新技术有限公司 | Full automatic sucking self-cleaning filter |
| CN203556185U (en) * | 2013-11-14 | 2014-04-23 | 浙江鹰鹏船舶设备制造有限公司 | Automatic-cleaning water filter |
| CN106823547A (en) * | 2017-03-11 | 2017-06-13 | 江西省科学院 | A kind of sewage water filtration environmental protecting device |
| CN107557878A (en) * | 2017-09-22 | 2018-01-09 | 上海鸣与信息科技发展有限公司 | A kind of textile process bluish dogbane precooker |
| CN111359285A (en) * | 2020-04-16 | 2020-07-03 | 中山市翔实机械设备有限公司 | Filtering device, sewage treatment equipment and sewage treatment method |
-
2020
- 2020-10-21 CN CN202011134844.7A patent/CN112546698A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH022811A (en) * | 1987-11-25 | 1990-01-08 | Combustion Eng Europ | Self-purifying filter |
| EP0429409A1 (en) * | 1989-11-24 | 1991-05-29 | GEL - S.r.l. | Self-cleaning filter for hydraulic systems fitted with an hydraulic turbine which operates a number of cleaning brushes |
| CN2829851Y (en) * | 2005-10-21 | 2006-10-25 | 北京禹宗水资源新技术有限公司 | Full automatic sucking self-cleaning filter |
| CN203556185U (en) * | 2013-11-14 | 2014-04-23 | 浙江鹰鹏船舶设备制造有限公司 | Automatic-cleaning water filter |
| CN106823547A (en) * | 2017-03-11 | 2017-06-13 | 江西省科学院 | A kind of sewage water filtration environmental protecting device |
| CN107557878A (en) * | 2017-09-22 | 2018-01-09 | 上海鸣与信息科技发展有限公司 | A kind of textile process bluish dogbane precooker |
| CN111359285A (en) * | 2020-04-16 | 2020-07-03 | 中山市翔实机械设备有限公司 | Filtering device, sewage treatment equipment and sewage treatment method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203441A (en) * | 2021-06-08 | 2021-08-03 | 张惠芸 | Detector for detecting temperature and humidity of food inner package |
| CN113203441B (en) * | 2021-06-08 | 2023-01-17 | 中国检验检疫科学研究院粤港澳大湾区研究院 | Detector for detecting temperature and humidity of food inner package |
| CN115259549A (en) * | 2022-07-18 | 2022-11-01 | 浙江北投环保科技有限公司 | River water environment treatment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207943944U (en) | A kind of sewage filter device | |
| CN112546698A (en) | Filter dirt absorbing method for farmland irrigation | |
| CN112546697A (en) | A filter soil pick-up device for field irrigation | |
| CN108126407B (en) | Domestic sewage deoiling residue filter device | |
| CN115449456A (en) | Separation and extraction device and method for pathogenic microorganisms in water | |
| CN112023499A (en) | Building sewage treatment device and method | |
| CN210728884U (en) | River course sewage multi-stage filtration device | |
| CN203724855U (en) | Filtering machine with dirt collection function | |
| CN104857760A (en) | Full-automatic self-cleaning filter | |
| CN110917731A (en) | Environment-friendly ash removal device for deeply cleaning filter cylinder and use method | |
| CN212680309U (en) | Inorganic salt production ammonia nitrogen mother liquor handles and uses pipeline filter equipment | |
| CN211987511U (en) | Environment-friendly ash removal device for deep cleaning filter cylinder | |
| CN209333306U (en) | A kind of self-cleaning filter with water level real-time monitoring function | |
| CN208583064U (en) | A kind of filter device for high speed filter | |
| CN208472838U (en) | A kind of round brush cleaning type water intaking grid | |
| CN217512432U (en) | Valve plate vacuum ultrasonic cleaning tank | |
| CN112718473B (en) | Filter screen cleaning structure | |
| CN214436852U (en) | Recovery unit of glass deep-processing washing water | |
| CN213623341U (en) | Surface treatment waste water recovery device for cleaner production | |
| CN213740830U (en) | Waterproof drainage device of hydraulic engineering construction | |
| CN212974395U (en) | A environmental protection equipment for sewage treatment | |
| CN209457133U (en) | Urban discharging pipeline cleaning plant | |
| CN207941289U (en) | A kind of screw blowdown apparatus | |
| CN107082471B (en) | A kind of sewage ultrafiltration membrane filter device | |
| CN210584097U (en) | Hazardous waste burns line sack cleaner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210326 |