CN112062183A - Rotary drum type grating machine with high decontamination efficiency - Google Patents

Abstract

The invention relates to the field of environmental protection equipment, and discloses a drum type grating machine with high decontamination efficiency, which comprises a positioning ring plate and a limiting plate, wherein a rotatable net barrel is movably sleeved between the positioning ring plate and the limiting plate, a notch is formed in the middle of the positioning ring plate, a conveying pipe is fixedly sleeved at the bottom of the limiting plate, the bottom of the conveying pipe is attached to the inner wall of the net barrel, and two limiting semi-ring plates are fixedly connected to one side of the conveying pipe, which is positioned in the net barrel. Efficient rotary drum grid machine decontaminates, through the conveyer pipe of locating net section of thick bamboo inboard bottom and the structural design of two spacing semiring boards, at the blowdown in-process, utilize the inner wall of two spacing semiring boards and net section of thick bamboo to be close to and not seal the design, the water of being convenient for wash flows out in the hole of clearance between two spacing semiring boards and net section of thick bamboo, and utilize the rotatory passive pivot of two spacing semiring inboard to carry impurity to the conveyer pipe in and arrange the sediment, the conveying efficiency of impurity has been improved.

Description

Rotary drum type grating machine with high decontamination efficiency

Technical Field

The invention relates to the field of environment-friendly equipment, in particular to a drum type grating machine with high decontamination efficiency.

Background

The device is commonly used in industrial wastewater treatment engineering, and is an environment-friendly device for removing floating objects in water, wherein a drum-shaped mesh cylinder is manufactured by grid sheets of an existing drum-type grid machine according to grid gaps, treated water flows in from the front of the mesh cylinder, is filtered by a grid, flows to a water tank outlet, and flows to a rotary mesh cylinder.

However, current rotary drum formula grid machine is in the course of the work, the water that washes the net section of thick bamboo falls into in the conveyer pipe along with impurity together, and make the conveyer pipe be located the net section of thick bamboo and keep being full of the state, make float, suspension impurity is difficult to get into the intraductal discharge of blowdown along with first helical blade's rotation, lead to impurity conveying efficiency lower, carry the great problem of energy consumption, and although set up the tine harrow in the current net section of thick bamboo, but easy rolling particle impurity in the sewage can't be fixed to the top along with the net section of thick bamboo and falls into in the conveyer pipe, thereby lead to easy rolling impurity to pile up in the net section of thick bamboo, influence the efficiency problem of follow-.

Disclosure of Invention

The invention provides a drum type grating machine with high decontamination efficiency, which has the advantage of high decontamination efficiency and solves the technical problems in the background technology.

In order to achieve the above purpose, the invention provides the following technical scheme to realize: a rotary drum type grating machine with high decontamination efficiency comprises a positioning ring plate and a limiting plate, wherein a rotatable mesh cylinder is movably sleeved between the positioning ring plate and the limiting plate, a notch is formed in the middle of the positioning ring plate, a conveying pipe is fixedly sleeved at the bottom of the limiting plate, the bottom of the conveying pipe is attached to the inner wall of the mesh cylinder, one side of the conveying pipe, which is positioned in the mesh cylinder, is fixedly connected with two limiting semi-ring plates, one ends of the two limiting semi-ring plates, which are far away from the conveying pipe, extend to the positioning ring plate, the bottoms of the two limiting semi-ring plates are not in contact with the inner side of the mesh cylinder, the two limiting semi-ring plates are symmetrical with the axis of the conveying pipe, guide plates are fixedly connected with the tops of the two limiting semi-ring plates, a rotatable driving rotating shaft is arranged in the middle of the inner cavity of the conveying pipe, and, fixed cover is equipped with first helical blade in the pivot of initiative, the middle part of spacing semicircular plate inner chamber is equipped with rotatable passive pivot, and passive pivot and initiative pivot fixed connection, the first change of one side fixedly connected with of a net section of thick bamboo, first change movable sleeve dress is in the side of position ring board, and first change is rotatory by the drive of passive pivot, the one end that spacing semicircular plate was kept away from to the conveyer pipe is equipped with the blow off pipe, top fixedly connected with registration arm between position ring board and the limiting plate, and the bottom of registration arm all is equipped with the shower nozzle that the equidistance was arranged.

Optionally, the net section of thick bamboo is kept away from the one end fixedly connected with second change of first change, the activity suit of second change is in the side of limiting plate, and the inboard of second change and the bottom swing joint of conveyer pipe, the outer strengthening rib axle along a plurality of symmetrical arrangement of fixedly connected with between first change and the second change, and strengthening rib axle and the outside fixed connection of net section of thick bamboo.

Optionally, an annular groove is formed in the side face of the first rotating ring, a circle of rotating teeth is arranged on the outer wall of the annular groove, one end of the driven rotating shaft is fixedly connected with a driving gear located inside the annular groove, the outer edge of the driving gear is meshed with the rotating teeth on the inner wall of the annular groove, one ends of the two limiting semi-annular plates are fixedly connected with sealing plates, the sealing plates are movably sleeved with the driven rotating shaft, a sealing ring sleeve is fixedly sleeved on the inner side of the positioning ring plate, the sealing ring sleeve is in an I-shaped shape, one side of the sealing ring sleeve is fixedly connected with the outer side of the positioning ring plate, the other side of the sealing ring sleeve is movably connected with the side face of the first rotating ring, and the other side of the sealing.

Optionally, the outer side of the first rotating ring is fixedly connected with a rotating ring plate, the rotating ring plate is movably sleeved with the side face of the positioning ring plate, and a sealing sleeve movably sleeved on the inner side and the outer side of the rotating ring plate is arranged between the positioning ring plate and the first rotating ring.

Optionally, the diameter value of the second helical blade is greater than that of the driving rotating shaft, and the inner diameter of the connecting part of the conveying pipe and the limiting half ring plate is uniformly reduced from left to right.

Optionally, the number of the positioning pipes is two, the nozzles at the bottoms of the two positioning pipes face the second helical blade, a water conveying pipe is communicated between the two positioning pipes, a water guide pipe is communicated with the middle of the water conveying pipe, a booster pump located on one side of the limiting plate is fixedly mounted on the conveying pipe, and one end, far away from the water conveying pipe, of the water guide pipe is communicated with one end of the booster pump.

The invention provides a drum type grating machine with high decontamination efficiency, which has the following beneficial effects:

1. the drum type grating machine with high decontamination efficiency has the advantages that through the structural design of the conveying pipe and the two limiting semi-ring plates which are arranged at the bottom of the inner side of the net cylinder, in the sewage discharge process, the design that the two limit semi-ring plates are close to the inner wall of the net barrel but not closed is utilized, so that the water convenient for washing flows out through the gap between the two limit semi-ring plates and the pore of the net barrel, and the impurities are conveyed into the conveying pipe for deslagging by utilizing the driven rotating shaft rotating at the inner sides of the two limit semi-ring plates, so that the conveying efficiency of the impurities is improved, the working process of the existing drum type grating is effectively avoided, the water for washing the net barrel falls into the conveying pipe along with the impurities, and the conveying pipe is positioned in the net barrel and keeps full state, the floating and suspended impurities are not easy to enter the sewage pipe to be discharged along with the rotation of the first helical blade, so that the impurity conveying efficiency is low, and the conveying energy consumption is high.

2. This rotary drum grid machine that scrubbing efficiency is high, through the design of two spacing semi-ring plates of net section of thick bamboo inboard bottom, so that in the blowdown process, when some easy roll granule impurity etc. pile up in net bobbin base portion in the sewage, in the rotatory transport conveyer through second helical blade, carry to blow off pipe department by the conveyer pipe and discharge, ensure that the impurity after the interior filtration of net section of thick bamboo can not too much pile up, ensure that the effective filtration area of net section of thick bamboo keeps higher state for a long time, when having avoided the conveyer pipe among the current rotary drum grid machine to locate net section of thick bamboo middle part, easy rolling granule impurity can't be fixed to the top along with the net section of thick bamboo and fall into in the conveyer pipe, thereby lead to easy roll impurity and pile up in the net section of thick bamboo, influence the efficiency problem of follow-up.

3. This efficient rotary drum grille machine of scrubbing, through the conveyer pipe, the design of net section of thick bamboo bottom is located to spacing semi-ring board, it is rotatory to make passive pivot drive a net section of thick bamboo in the bottom of a net section of thick bamboo, sewage gets into by the unobstructed notch in locating ring board middle part, avoided current rotary drum grille machine to drive the rotatory auxiliary wheel of a net section of thick bamboo in import department when rotating, twine cloth fibre easily, filth such as pasture and water stem grass, the entry water traffic that leads to a net section of thick bamboo after long-time easily reduces, the problem that scrubbing efficiency reduces.

4. This efficient rotary drum grid machine decontaminates, diameter value through two inboard second helical blade of spacing semi-ring plate is greater than the diameter value of initiative pivot, and the internal diameter of conveyer pipe and spacing semi-ring plate junction is by the even structural design who reduces from left to right, under second helical blade rotation, impurity after the filtration between two spacing semi-ring plates, the filth is carried to in the conveyer pipe, under the even effect that reduces of conveyer pipe internal diameter, make the impurity that gets into in the conveyer pipe, the filth receives and pressure, thereby be convenient for impurity, the row that contains in the filth discharges, the waste and the subsequent processing of water have been reduced, the efficiency of decontaminating has further been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of the structural retainer half-ring plate of FIG. 1 in accordance with the present invention;

FIG. 3 is a left side view of a first swivel of the structure of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1;

FIG. 5 is a right side view of the sealing web of the structure of FIG. 1 of the present invention.

In the figure: 1. positioning the ring plate; 2. a limiting plate; 3. a net drum; 301. a reinforcing rib shaft; 302. a first swivel; 3021. an annular groove; 303. a second swivel; 304. a rotating ring plate; 4. a delivery pipe; 401. a driving rotating shaft; 402. a first helical blade; 403. a blow-off pipe; 5. a limit semicircular plate; 501. a driven shaft; 502. a second helical blade; 503. a guide plate; 504. a driving gear; 6. a positioning tube; 7. a water delivery pipe; 8. a water conduit; 9. sealing the snare; 10. a booster water pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a drum type grating machine with high decontamination efficiency comprises a positioning ring plate 1 and a limiting plate 2, a rotatable mesh tube 3 is movably sleeved between the positioning ring plate 1 and the limiting plate 2, a notch is arranged in the middle of the positioning ring plate 1, a conveying pipe 4 is fixedly sleeved at the bottom of the limiting plate 2, the bottom of the conveying pipe 4 is attached to the inner wall of the mesh tube 3, two limiting semi-ring plates 5 are fixedly connected to one side of the conveying pipe 4 in the mesh tube 3, one ends of the two limiting semi-ring plates 5 far away from the conveying pipe 4 extend to the positioning ring plate 1, the bottoms of the two limiting semi-ring plates 5 are not in contact with the inner side of the mesh tube 3, the two limiting semi-ring plates 5 are symmetrical about the axis of the conveying pipe 4, guide plates 503 are fixedly connected to the tops of the two limiting semi-ring plates 5, a rotatable driving rotating shaft 401 is arranged in the middle of the inner cavity of the conveying pipe 4, and the driving, the driving rotating shaft 401 is fixedly sleeved with a first helical blade 402, the middle part of the inner cavity of the limiting semi-ring plate 5 is provided with a rotatable driven rotating shaft 501, the driven rotating shaft 501 is fixedly connected with the driving rotating shaft 401, one side of the net cylinder 3 is fixedly connected with a first rotating ring 302, the first rotating ring 302 is movably sleeved on the side surface of the positioning ring plate 1, the first rotating ring 302 is driven to rotate by the driven rotating shaft 501, one end of the conveying pipe 4 far away from the limiting semi-ring plate 5 is provided with a sewage discharge pipe 403, the top part between the positioning ring plate 1 and the limiting plate 2 is fixedly connected with a positioning pipe 6, the bottom part of the positioning pipe 6 is provided with spray heads which are arranged at equal intervals, when in use, the sewage is controlled not to cross the positioning ring plate 1 through the conveying pipe 4 and the two limiting semi-ring plates 5 which are arranged at the bottom part of the inner side of the net cylinder 3, when the sewage is decontaminated, the sewage enters the, simultaneously, a driving device is started to drive a driving rotating shaft 401 to drive a first spiral blade 402 to rotate, filtered residues are discharged through a sewage discharge pipe 403 under the rotating action of a second spiral blade 502 in a limiting semi-ring plate 5 and the first spiral blade 402 in a conveying pipe 4, meanwhile, a first rotating ring 302 and a net barrel 3 are driven to integrally rotate by a driven rotating shaft 501, the rotating net barrel 3 is subjected to high-pressure water spraying and washing through a spray head at the top of a positioning ring plate 1 and a limiting plate 2, so that impurities blocked in a gap of the net barrel 3 are washed between the two limiting semi-ring plates 5, the two limiting semi-ring plates 5 are close to the inner wall of the net barrel 3 and are not closed, the washed water can conveniently flow out through the gap between the two limiting semi-ring plates 5 and the pore of the net barrel 3, the impurities are conveyed into the conveying pipe 4 by the driven rotating shaft 501 at the inner sides of the two limiting semi-ring plates 5, and then the impurities are conveyed to the sewage discharge from the sewage discharge pipe 403 by the rotating driving, the conveying efficiency of the impurities is improved, thereby effectively avoiding the problems that in the working process of the existing drum type grating, water for washing the net barrel 3 falls into the conveying pipe 4 along with the impurities, the conveying pipe 4 is positioned in the net barrel 3 and keeps a full state, floating and suspended impurities are not easy to enter the sewage discharge pipe 403 along with the rotation of the first spiral blade 402 to be discharged, the conveying efficiency of the impurities is lower, and the conveying energy consumption is larger, and when some easy rolling impurities such as stones, particles and the like in sewage are accumulated at the bottom of the net barrel 3, the impurities are conveyed into the conveying pipe 4 through the rotation of the second spiral blade 502 and discharged from the conveying pipe 4 to the sewage discharge pipe 403, ensuring that the impurities filtered in the net barrel 3 are not accumulated too much, ensuring that the effective filtering area of the net barrel 3 keeps a higher state for a long time, and avoiding the condition that the conveying pipe 4 in the existing drum type grating machine is arranged at the middle part of the net, easy roll impurity can't be fixed to the top along with a net section of thick bamboo 3 and fall into conveyer pipe 4 in, thereby lead to easy roll impurity to pile up in a net section of thick bamboo 3, influence follow-up sewage filtration scrubbing's efficiency problem, and through conveyer pipe 4, the design of net section of thick bamboo 3 bottom is located to spacing semi-ring board 5, make passive pivot 501 drive a net section of thick bamboo 3 rotatory in the bottom of a net section of thick bamboo 3, sewage is got into by the unobstructed notch in the middle part of the retaining ring board 1, avoided current rotary drum grid machine to drive the rotatory auxiliary wheel of a net section of thick bamboo 3 in import department when rotating, twine cloth fibre easily, filth such as pasture and water stem grass, the entry water capacity that leads to a net section of thick bamboo 3 after long-time easily reduces.

Wherein, the net section of thick bamboo 3 is kept away from the one end fixedly connected with second swivel 303 of first swivel 302, the activity suit of second swivel 303 is in the side of limiting plate 2, and the inboard of second swivel 303 and the bottom swing joint of conveyer pipe 4, outer along the strengthening rib axle 301 of a plurality of symmetrical arrangements of fixedly connected with between first swivel 302 and the second swivel 303, and strengthening rib axle 301 and the outside fixed connection of net section of thick bamboo 3, utilize strengthening rib axle 301 between first swivel 302 and the second swivel 303, consolidate net section of thick bamboo 3, ensure that net section of thick bamboo 3 is carrying out the scrubbing during operation to mobile sewage, it is not fragile, in order to improve the life of rotary drum grid machine.

Wherein, the side of the first rotary ring 302 is provided with an annular groove 3021, the outer wall of the annular groove 3021 is provided with a circle of rotary teeth, one end of the driven rotary shaft 501 is fixedly connected with a driving gear 504 positioned inside the annular groove 3021, the outer edge of the driving gear 504 is engaged with the rotary teeth on the inner wall of the annular groove 3021, the driven rotary shaft 501 drives the driving gear 504 to rotate, the driving gear 504 drives the first rotary ring 302 to rotate, thereby driving the mesh cylinder 3 to rotate integrally, so that the mesh cylinder 3 rotates in the sewage filtering and decontamination process, a nozzle at the bottom of the positioning tube 6 is used for spraying water for washing, thereby ensuring that the mesh cylinder 3 cannot influence the decontamination efficiency due to impurity blockage, one end of the two limiting semi-annular plates 5 is fixedly connected with a sealing plate, the sealing plate is movably sleeved with the driven rotary shaft 501, the inner side of the positioning annular plate 1 is fixedly sleeved with a sealing ring 9, the sealing ring 9 is in an I-shaped shape, one, the other side of the sealing ring sleeve 9 is movably connected with the side face of the first rotating ring 302, the other side of the sealing ring sleeve 9 is movably sleeved with the driven rotating shaft 501, and by means of the design of the sealing ring sleeve 9, when the net cylinder 3 and the first rotating ring 302 integrally rotate, the sealing ring sleeve 9 effectively seals the inner sides of the net cylinder 3 and the first rotating ring 302, so that impurities are prevented from entering the annular groove 3021, and the driving gear 504 is influenced to drive the first rotating ring 302 to rotate.

Wherein, the outside fixedly connected with swivel plate 304 of first swivel 302, swivel plate 304 and the side activity of position collar plate 1 are cup jointed, and be equipped with the seal cover of activity suit in swivel plate 304, outside both sides between position collar plate 1 and the first swivel 302, utilize the seal cover to seal the activity between first swivel 302 and the position collar plate 1 and cup joint the position and separate, ensure that impurity can not get into the position department of cup jointing of first swivel 302 and position collar plate 1, influence the rotation of first swivel 302 in position collar plate 1 side.

Wherein, the diameter value of second helical blade 502 is greater than the diameter value of initiative pivot 401, and the internal diameter of conveyer pipe 4 and spacing semi-ring plate 5 junction evenly reduces from left to right, under second helical blade 502 rotation, impurity after the filtration between two spacing semi-ring plates 5, the filth is carried to conveyer pipe 4 in, under the even effect that reduces of conveyer pipe 4 internal diameter, make the impurity that gets into in the conveyer pipe 4, the filth receives and pressure, thereby be convenient for impurity, the water discharge that contains in the filth, the waste and the subsequent processing of water have been reduced, the efficiency of decontaminating has further been improved.

Wherein, the quantity of registration arm 6 is two, the shower nozzle of two registration arm 6 bottoms all faces second helical blade 502, the switch-on has raceway 7 between two registration arm 6, the middle part of raceway 7 switches on has conduit 8, fixed mounting has the booster pump 10 that is located limiting plate 2 one side on the conveyer pipe 4, conduit 8 keeps away from raceway 7's one end and the one end switch-on of booster pump 10, carry out the water delivery in conduit 8 through booster pump 10, make water get into in two registration arm 6, spout water to net section of thick bamboo 3 from the both sides at net section of thick bamboo 3 top to one side by the shower nozzle of two registration arm 6 bottoms again, so that block up impurity in the net section of thick bamboo 3 gap and wash spacing semi-ring board 5 departments, discharge along with the rotatory transport of second helical blade 502.

When the device works, firstly, the drum type grating machine is arranged in a water tank to be treated, the device is fixed through the positioning ring plate 1 and the limiting plate 2, water flows from the positioning ring plate 1 to the limiting plate 2, meanwhile, the water flow is controlled not to exceed the top of the positioning ring plate 1, when decontamination work is carried out, sewage flows into the net barrel 3 through the notch at the positioning ring plate 1 and flows out through the pore at the net barrel 3, filtered impurities and dirt are in the net barrel 3, meanwhile, the driving rotating shaft 401 is controlled to drive the first helical blade 402, the second helical blade 502 and the net barrel 3 to rotate, so that the impurities accumulated in the net barrel 3 after filtration are discharged through the sewage discharge pipe 403 under the rotary conveying of the second helical blade 502 and the driving rotating shaft 401, the booster pump 10 is started to convey water to the positioning pipe 6, so that the spray head at the bottom of the positioning pipe 6 sprays water to the rotating net barrel 3 to flush the impurities blocked in the net barrel 3, meanwhile, the washed water is filtered and discharged from the holes of the net cylinder 3 through the gap at the bottom of the two limiting semi-ring plates 5, and impurities are conveyed into the conveying pipe 4 through the second spiral blade 502.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a rotary drum grille machine that scrubbing efficiency is high, includes position ring board (1), limiting plate (2), its characterized in that: a rotatable net barrel (3) is movably sleeved between the positioning ring plate (1) and the limiting plate (2), a notch is formed in the middle of the positioning ring plate (1), a conveying pipe (4) is fixedly sleeved at the bottom of the limiting plate (2), the bottom of the conveying pipe (4) is attached to the inner wall of the net barrel (3), two limiting semi-ring plates (5) are fixedly connected to one side of the conveying pipe (4) located in the net barrel (3), one ends, far away from the conveying pipe (4), of the two limiting semi-ring plates (5) extend to the positioning ring plate (1), the bottoms of the two limiting semi-ring plates (5) are not in contact with the inner side of the net barrel (3), the two limiting semi-ring plates (5) are symmetrical with the axis of the conveying pipe (4), guide plates (503) are fixedly connected to the tops of the two limiting semi-ring plates (5), and a driving rotating shaft (401) is arranged in the middle of the inner cavity of the conveying pipe (4), and the driving rotating shaft (401) is driven to rotate by a driving device arranged outside the conveying pipe (4), a first helical blade (402) is fixedly sleeved on the driving rotating shaft (401), a rotatable driven rotating shaft (501) is arranged in the middle of the inner cavity of the limiting semi-ring plate (5), the driven rotating shaft (501) is fixedly connected with the driving rotating shaft (401), one side of the net drum (3) is fixedly connected with a first rotating ring (302), the first rotating ring (302) is movably sleeved on the side surface of the positioning ring plate (1), and first swivel (302) is rotatory by driven rotating shaft (501) drive, the one end that spacing semicircle board (5) were kept away from in conveyer pipe (4) is equipped with blow off pipe (403), top fixedly connected with registration arm (6) between registration arm board (1) and limiting plate (2), and the bottom of registration arm (6) all is equipped with the shower nozzle of equidistance range.

2. A drum type grating machine with high decontamination efficiency as claimed in claim 1, wherein: net section of thick bamboo (3) keep away from one end fixedly connected with second swivel (303) of first swivel (302), second swivel (303) activity suit is in the side of limiting plate (2), and the inboard bottom swing joint of conveyer pipe (4) of second swivel (303), outer along a plurality of symmetrical arrangement's of fixedly connected with strengthening rib axle (301) between first swivel (302) and second swivel (303), and the outside fixed connection of strengthening rib axle (301) and net section of thick bamboo (3).

3. A drum type grating machine with high decontamination efficiency as claimed in claim 1, wherein: an annular groove (3021) is formed in the side surface of the first rotating ring (302), a circle of rotating teeth are arranged on the outer wall of the annular groove (3021), one end of the driven rotating shaft (501) is fixedly connected with a driving gear (504) positioned in the annular groove (3021), the outer edge of the driving gear (504) is meshed with the rotating teeth on the inner wall of the annular groove (3021), one end of each of the two limiting semi-annular plates (5) is fixedly connected with a sealing plate, the sealing plate is movably sleeved with the driven rotating shaft (501), a sealing ring sleeve (9) is fixedly sleeved on the inner side of the positioning ring plate (1), the sealing ring sleeve (9) is in an I shape, one side of the sealing ring sleeve (9) is fixedly connected with the outer side of the positioning ring plate (1), the other side of the sealing ring sleeve (9) is movably connected with the side surface of the first rotating ring (302), the other side of the sealing ring sleeve (9) is movably sleeved with the driven rotating shaft (501).

4. A drum type grating machine with high decontamination efficiency as claimed in claim 1, wherein: the outer side of the first rotating ring (302) is fixedly connected with a rotating ring plate (304), the rotating ring plate (304) is movably sleeved with the side face of the positioning ring plate (1), and a sealing sleeve movably sleeved on the inner side and the outer side of the rotating ring plate (304) is arranged between the positioning ring plate (1) and the first rotating ring (302).

5. A drum type grating machine with high decontamination efficiency as claimed in claim 1, wherein: the diameter value of the second helical blade (502) is larger than that of the driving rotating shaft (401), and the inner diameter of the connecting part of the conveying pipe (4) and the limiting semi-ring plate (5) is uniformly reduced from left to right.

6. A drum type grating machine with high decontamination efficiency as claimed in claim 1, wherein: the quantity of registration arm (6) is two, two the shower nozzle of registration arm (6) bottom all faces second helical blade (502), two put through has raceway (7) between registration arm (6), and the middle part of raceway (7) is put through has aqueduct (8), fixed mounting has booster pump (10) that are located limiting plate (2) one side on conveyer pipe (4), the one end that raceway (7) were kept away from in aqueduct (8) is put through with the one end of booster pump (10).

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