CN112939112A

CN112939112A - Rotary type grating pollution discharge machine

Info

Publication number: CN112939112A
Application number: CN202110148884.5A
Authority: CN
Inventors: 陈燕玉
Original assignee: Guangzhou Jufa E Commerce Co ltd
Current assignee: Guangzhou Jufa E Commerce Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-06-11

Abstract

The invention discloses a rotary type grid sewage discharging machine, which structurally comprises a rack, a moving wheel, a rotary chain plate, a separating device, a motor, a belt pulley, a separating tank and a guide chute plate.

Description

Rotary type grating pollution discharge machine

Technical Field

The invention relates to the field of sewage treatment, in particular to a rotary type grating sewage discharging machine.

Background

The grid machine is a common solid-liquid separation equipment in the sewage treatment field, can intercept and clear away the various shape debris in the sewage automatically, is applied to trades such as municipal sewage treatment, running water trade, weaving, food processing widely, carries out the while through double-deck grid to floater and deposit in the sewage and gets rid of, effectively handles sewage, and current grid blowdown machine needs the place of improvement when handling sewage:

when handling sewage, handle through rotating the impurity of grid in to sewage, impurity in the sewage all can contain floater and deposit, the volume of general floater is great, on the contrary the volume of deposit is less, because most sewage grids all are the individual layer state, only can carry out single processing to floater or deposit, if handle together, bulky floater can directly cover on thin grid, lead to the unable normal operating of thin grid, and if the floater in the sewage toughness debris such as rubber band or rubber rope appear, because the length of rubber band is longer, twine easily and drag between two grids, lead to the rake teeth on the grid can appear the breakage phenomenon, make the grid machine compelled to shut down, influence the treatment effeciency of sewage.

Disclosure of Invention

Aiming at the defects in the prior art, the invention is realized by the following technical scheme: the utility model provides a rotation grid waste fitting discharging machine, its structure includes the frame, removes wheel, gyration link joint, separator, motor, belt pulley, separating tank, baffle plate, frame bottom both sides all are equipped with the removal wheel of looks block with it, frame internally mounted has the gyration link joint, the last separator and both of being equipped with equidistance parallel arrangement of gyration link joint inlay mutually admittedly, the one end that gyration link joint was kept away from to the frame is equipped with the separating tank, the separating tank bottom is connected with the baffle plate, the separating tank is connected with the gyration link joint through the frame, be equipped with the motor in the frame, the motor is put through mutually with the belt pulley, the motor passes through the connection of electric lines with the frame.

The separating device comprises a body, a fine filter grating plate, a fixing plate, a rough filter grating plate, a rotary cutter head and a fishing hook, wherein the fixing plate is buckled with the body at one side of the body, the fishing hook is fixedly connected with the other side of the body, the fine filter grating plate and the rough filter grating plate are respectively arranged at two ends of the body, which are far away from the fixing plate and the fishing hook, the fine filter grating plate and the rough filter grating plate mutually form a parallel structure, the two sides of the fine filter grating plate and the rough filter grating plate, which are far away from the body, are respectively connected with the fixing plate and the fishing hook, the rotary cutter head is arranged at one end of the fishing hook, which is far away from the body, and the fixing plate is parallelly embedded and fixed on the rotary cutter head.

As a further optimization of the invention, the coarse filtration grating plate comprises a frame body, grating strips, circulation ports and reinforcing ribs, wherein three reinforcing ribs which are arranged in parallel at equal intervals are arranged on the frame body, grating strips which are inserted and embedded with the reinforcing ribs are arranged on two sides of each reinforcing rib, the circulation ports are arranged on the grating strips, one ends of the grating strips, far away from the reinforcing ribs, are connected to the frame body, the frame body is connected with the fine filtration grating plate through a body, and two sides of the frame body are respectively connected with a fixing plate and a fishing hook.

As a further optimization of the invention, the fine filter grid plate comprises a movable opening block, an oblique flow guide plate, blocking sieve pieces and a shell, wherein two sides of the movable opening block are connected with the oblique flow guide plate, one end of the oblique flow guide plate, far away from the movable opening block, is inserted and embedded in the shell, a plurality of same blocking sieve pieces are arranged inside the movable opening block, the shell is connected with a frame body through a body, and two sides of the shell are respectively connected with a fixed plate and a fishing hook.

The blocking sieve piece comprises a gauze filter plate, dispersible tablets, a sieve tray and a wave rough plate, wherein the gauze filter plate is arranged in the middle of the sieve tray, the outer wall of the gauze filter plate is connected with the wave rough plate, one end of the wave rough plate, which is far away from the gauze filter plate, is inserted and embedded in the inner wall of the sieve tray in parallel, the wave rough plate is provided with a plurality of the dispersible tablets, and the sieve tray is arranged on the movable tension block.

As a further optimization of the invention, the rotary cutter head comprises a rotary disc, a telescopic cutter piece, a connecting rod, a positioning shaft and a limiting seat, wherein the rotary disc is provided with four limiting seats which are annularly arranged at equal intervals and fixedly connected with each other, the positioning shaft is arranged in the limiting seat, the connecting rod is movably connected with the positioning shaft, one end of the connecting rod, far away from the positioning shaft, penetrates through the telescopic cutter piece, and the rotary disc is movably clamped with the fishing hook.

The telescopic cutter comprises a ball, a cutter plate, cutter teeth, a telescopic adjusting rod and an extension seat, wherein the ball is connected inside the telescopic adjusting rod, the telescopic adjusting rod is fixed on the extension seat, the extension seat is movably connected with the cutter plate through the telescopic adjusting rod, the cutter teeth embedded with the cutter plate are arranged on one side of the cutter plate, and one end, far away from the cutter plate, of the extension seat is connected with a connecting rod.

The knife teeth comprise blades, fixed blocks and cutting edges, the cutting edges are arranged on two sides of each blade, the bottoms of the blades are vertically buckled on the fixed blocks, and one ends of the fixed blocks, far away from the blades, are embedded with the knife boards.

As a further optimization of the invention, the wave rough plate is provided with a plurality of wave rough plates, and the plurality of wave rough plates form a conical cylinder structure in an equidistant annular mode and are connected inside the sieve tray.

Advantageous effects

The invention relates to a rotary grille blow-down machine, which has the following beneficial effects:

1. according to the invention, the grid bars, the circulation ports and the reinforcing ribs are connected and mutually form a W-shaped structure, when a floating object falls on the grid bars and the reinforcing ribs, a plurality of grid bars are obliquely arranged on the reinforcing ribs at equal intervals, the floating object can slide downwards due to inertia, so that the large-area floating object can not cover the circulation ports, and the floating object can be effectively blocked.

2. According to the invention, through the dispersible tablets and the wave rough plates, sewage flows into the wave rough plates, a plurality of wave rough plates are arranged on the sieve tray in an equidistant annular mode with a large-upper structure and a small-lower structure, the sewage is dispersed on each wave rough plate through the dispersible tablets, and the wave rough plates filter the sewage layer by layer, so that sediments in the sewage are effectively removed.

3. According to the invention, through the turntable, the knife board, the knife teeth, the telescopic adjusting rod and the extension seat, when the turntable rotates, the knife board can outwards slide out of the extension seat under the action of centrifugal force, so that the length of the knife board is effectively extended, and the knife board can be rapidly contacted with and cut off long rubber bands in floating objects.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a rotary grille drainage machine of the present invention;

FIG. 2 is a schematic side sectional view of the partitioning device of the present invention.

Fig. 3 is a schematic top view of the coarse filter grid plate according to the present invention.

FIG. 4 is a schematic top sectional view of a fine filter grid plate according to the present invention.

Fig. 5 is a schematic view of the internal structure of the barrier screen of the present invention.

Fig. 6 is a schematic view of the internal structure of the rotary cutter head of the present invention.

Fig. 7 is a cross-sectional view of the telescopic knife of the present invention in a first working state.

Fig. 8 is a sectional view of the telescopic knife of the present invention in a second working state.

Fig. 9 is an enlarged structural diagram of a in fig. 7.

In the figure: the device comprises a frame 1, a moving wheel 2, a rotary chain plate 3, a separating device 4, a motor 5, a belt pulley 6, a separating groove 7, a material guide groove plate 8, a body 41, a fine filtering grid plate 42, a fixing plate 43, a coarse filtering grid plate 44, a rotary cutter head 45, a fishing hook 46, a frame body 441, grid strips 442, a circulation port 443, reinforcing ribs 444, a movable opening block 421, an oblique flow guide plate 422, a blocking sieve piece 423, a shell 424, a gauze filter plate B1, a dispersing sheet B2, a sieve disc B3, a wave rough plate B4, a rotary disc 451, a telescopic knife piece 452, a connecting rod 453, a positioning shaft 454, a limiting seat 455, a ball 521, a knife plate 522, a knife tooth 523, a telescopic adjusting rod 524, an extending seat 525, a knife blade C1, a fixing block C2 and a knife edge C3.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a rotation grid waste fitting discharging machine, its structure includes frame 1, removes wheel 2, gyration link joint 3, separator 4, motor 5, belt pulley 6, separating tank 7, guide channel board 8, 1 bottom both sides of frame all are equipped with the removal wheel 2 of looks block with it, 1 internally mounted of frame has gyration link joint 3, the separator 4 and both of being equipped with equidistance parallel arrangement on the gyration link joint 3 inlay admittedly mutually, the one end that gyration link joint 3 was kept away from to frame 1 is equipped with separating tank 7, separating tank 7 bottom is connected with guide channel board 8, separating tank 7 is connected with gyration link joint 3 through frame 1, be equipped with motor 5 in frame 1, motor 5 is put through with belt pulley 6 mutually, motor 5 passes through connection of electric lines with frame 1.

Referring to fig. 2, the separating device 4 includes a body 41, a fine filter grid plate 42, a fixing plate 43, a coarse filter grid plate 44, a rotary cutter head 45, and a fishing hook 46, wherein the fixing plate 43 is fastened to one side of the body 41, and the other side of the body is fixedly connected to the fishing hook 46, the fine filter grid plate 42 and the coarse filter grid plate 44 are respectively disposed at two ends of the body 41 away from the fixing plate 43 and the fishing hook 46, the fine filter grid plate 42 and the coarse filter grid plate 44 form a parallel structure, two sides of the fine filter grid plate 42 and the coarse filter grid plate 44 away from the body 41 are respectively connected to the fixing plate 43 and the fishing hook 46, the rotary cutter head 45 is mounted at one end of the fishing hook 46 away from the body 41, and the fixing plate 43 is embedded in the rotary link plate 3 in parallel.

The fishing hook 46 is used for matching the body 41, when the body 41 salvages the garbage in the sewage, the salvaged garbage is limited by the fishing hook 46, the fishing hook 46 is of a C-shaped structure, and the salvaged garbage can be effectively prevented from falling off.

Referring to fig. 3, the coarse filtering grid plate 44 includes a frame body 441, grid strips 442, a circulation port 443, and reinforcing ribs 444, three reinforcing ribs 444 are arranged on the frame body 441 in parallel at equal intervals, the grid strips 442 inserted and embedded into the reinforcing ribs 444 are arranged on both sides of the reinforcing ribs 444, a circulation port 443 is arranged on each grid strip 442, one end of each grid strip 442 away from the corresponding reinforcing rib 444 is connected to the frame body 441, the frame body 441 is connected to the fine filtering grid plate 42 through the body 41, and both sides of the frame body 441 are respectively connected to the fixing plate 43 and the fishing hook 46.

The reinforcing ribs 444 are provided to protect the grill 442, and when the grill 442 contacts the contaminated water, the contaminated water may generate a certain counter force with the grill 442, and the reinforcing ribs 444 increase the hardness of the grill 442, thereby preventing the grill 442 from being damaged by the counter force of the contaminated water.

Referring to fig. 4, the fine filter grid plate 42 includes a movable opening block 421, an oblique flow guide plate 422, blocking screen members 423, and a housing 424, two sides of the movable opening block 421 are connected to the oblique flow guide plate 422, one end of the oblique flow guide plate 422 away from the movable opening block 421 is inserted into the housing 424, a plurality of identical blocking screen members 423 are disposed inside the movable opening block 421, the housing 424 is connected to a frame body 441 through a body 41, and two sides of the housing 424 are respectively connected to a fixing plate 43 and a fishing hook 46.

The inclined flow guide plate 422 is used for matching with the movable opening block 421, sewage is guided downwards from the body 41 to the inclined flow guide plate 422, and the inclined flow guide plate 422 has an inclined angle of 45 degrees, so that the sewage can be effectively guided to the movable opening block 421.

Referring to fig. 5, the blocking screen 423 includes a gauze filter plate B1, a dispersible tablet B2, a sieve tray B3, and a wave-shaped plate B4, the gauze filter plate B1 is disposed at the middle of the sieve tray B3, the outer wall of the gauze filter plate B1 is connected to the wave-shaped plate B4, one end of the wave-shaped plate B4, which is far away from the gauze filter plate B1, is inserted into the inner wall of the sieve tray B3 in parallel, the wave-shaped plate B4 is provided with a plurality of blocks, the dispersible tablets B2 are disposed between the plurality of wave-shaped plates B4, and the sieve tray B3 is disposed on the movable opening block 421.

Referring to fig. 5, the wave-shaped rough plate B4 has a plurality of wave-shaped rough plates B4 which are arranged in a circular cone structure at equal intervals and are connected inside the screen disc B3.

The gauze filter plate B1 is used for matching, the wave rough plate B4 filters sewage and then guides the sewage to the gauze filter plate B1, and the aperture inside the gauze filter plate B1 is fine, so that sand and stone sediments in the sewage can be effectively blocked and filtered.

Example two

Referring to fig. 6, the rotary cutter head 45 includes a rotary plate 451, a telescopic cutter 452, a connecting rod 453, a positioning shaft 454, and a limiting seat 455, the rotary plate 451 is provided with four limiting seats 455 which are annularly arranged at equal intervals and fixedly connected with each other, the positioning shaft 454 is arranged in the limiting seat 455, the connecting rod 453 is movably connected with the positioning shaft 454, one end of the connecting rod 453, which is far away from the positioning shaft 454, penetrates through the telescopic cutter 452, and the rotary plate 451 is movably engaged with the fishing hook 46.

The positioning shaft 454 is used for being matched with a connecting rod 453, the telescopic knife piece 452 is fixed on the positioning shaft 454 by the connecting rod 453, and when the telescopic knife piece 452 cuts the rubber band, the telescopic knife piece 452 is fixed by the positioning shaft 454, so that the telescopic knife piece 452 is prevented from swinging when moving.

Referring to fig. 7-8, the telescopic cutter 452 includes a ball 521, a cutting board 522, a cutter tooth 523, a telescopic adjusting rod 524, and an extension seat 525, the ball 521 is connected inside the telescopic adjusting rod 524, the telescopic adjusting rod 524 is fixed on the extension seat 525, the extension seat 525 is movably connected with the cutting board 522 through the telescopic adjusting rod 524, the cutting tooth 523 is embedded in one side of the cutting board 522, and one end of the extension seat 525 far from the cutting board 522 is connected with a connecting rod 453.

The telescopic adjusting rod 524 is used for being matched with the knife plate 522, the knife plate 522 moves upwards due to centrifugal force, and the extension position of the knife plate 522 is limited through the telescopic adjusting rod 524, so that the knife plate 522 is prevented from being extended outwards and excessively separated from the extension seat 525.

Referring to fig. 9, the cutter teeth 523 include a blade C1, a fixing block C2, and a cutting edge C3, wherein cutting edges C3 are disposed on two sides of the blade C1, the bottom of the blade C1 is vertically fastened to the fixing block C2, and one end of the fixing block C2, which is far away from the blade C1, is embedded and engaged with the cutter plate 522.

The cutting edge C3 is used for being matched with the blade C1, and when the blade C1 is used for processing the rubber band, the rubber band can be cut left and right through the cutting edges C3 on the two sides, so that the rubber band processing efficiency is improved.

The working principle of the above technical solution is explained as follows:

when the garbage separation device is used, the rack 1 is moved to a using position through the moving wheel 2, the motor 5 is driven, and the rotary chain plate 3 is driven to move through the belt pulley 6, so that floating objects and sediments in sewage can be effectively salvaged by the separation device 4, the salvaged garbage is conveyed to the separation tank 7 through the rotary chain plate 3, the garbage and the sewage are separated through the separation tank 7, and the separated garbage is led out through the material guide groove plate 8, and the sewage treatment effect is effectively improved.

When sewage is treated, the body 41 is driven to rotate by the rotary chain plate 3, the body 41 is contacted with the sewage, the garbage in the sewage can be salvaged upwards under the rotating action of the rotary chain plate 3, the floating objects in the sewage can directly fall on the grid strips 442, the grid strips 442 and the reinforcing ribs 444 mutually form a W-shaped structure, so that the salvaged floating objects can slide downwards at the bending positions due to inertia, the salvaged floating objects can not cover the flow opening 443 in a large area, the sewage can flow downwards to the oblique flow guide plate 422 through the body 41, the oblique flow guide plate 422 is in an inclined state, the sewage can effectively flow downwards to the movable tension block 421, the movable tension block 421 can bounce upwards and downwards under the gravity of the sewage, the movable tension block 421 is in a wavy shape, the movable tension block can retract inwards and outwards in the bouncing process, and the sewage is effectively guided downwards to the sieve tray 3, disperse the sewage on the sieve tray B3 to every wave coarse board B4 through dispersible tablet B2, wave coarse board B4 is inside to be equipped with the different filter plate in multilayer clearance, can effectively separate the impurity granule deposit in the sewage, wave coarse board B4 is circular cone cylinder structure, can be because inertia downward flow to the gauze filter plate B1 in the sewage separation process, the aperture that gauze filter plate B1 is tiny, can separate the sediment in the sewage and filter, effectively carry out the rapid segregation with floater and sediment in the sewage and handle.

In the treatment process, when tough floaters in sewage are wound between two gratings, the flow of the sewage is used as the power of the turntable 451, so that the turntable 451 can rotate clockwise, the knife plate 522 can upwards slide out of the extension seat 525 under the action of the telescopic adjusting rod 524 due to the centrifugal force generated by the rotation of the turntable 451, the ball 521 is matched with the telescopic adjusting rod 524 to upwards move the knife plate 522 out, so that the length of the knife plate 522 can be extended upwards in parallel, the tough floaters wound between the two gratings can be quickly contacted, the tough floaters can be directly contacted between the two blades C1, the left and right cutting of the tough floaters is performed through the cutting edges C3 at the two sides of the blades C1, the moving direction of the turntable 451 is limited through the clamping strips inside the turntable 451, the counterclockwise rotation of the blades C1 in the cutting of the tough floaters is prevented, so that the blades C1 can quickly and effectively cut off the, prevent that toughness floater from twining and dragging between two bodies 41, protect body 41, prevent that body 41 from receiving and dragging the power and damaging, guarantee body 41 at the rotation in-process of gyration link joint 3, can stabilize and salvage the processing to floater and the deposit in the sewage, improve the treatment effeciency of sewage.

In summary, the invention adopts the combination of the frame, the moving wheel, the rotating chain plate, the separating device, the motor, the belt pulley, the separating tank and the guide chute plate to form a new rotating type grille sewage discharging machine, the fine filtering grille plate and the coarse filtering grille plate can rapidly and effectively separate and filter sediments and floaters in sewage, and the ductile floaters can be cut off rapidly and effectively by cutting left and right of the ductile floaters through the blades at two sides of the blade, so as to prevent the ductile floaters from being wound between the two bodies to be pulled, effectively protect the bodies, ensure that the grille machine can normally operate and effectively improve the sewage treatment efficiency.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics 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

1. The utility model provides a rotation grid blowdown machine, its structure includes frame (1), removes wheel (2), gyration link joint (3), separator (4), motor (5), belt pulley (6), separator (7), baffle plate (8), its characterized in that:

the automatic feeding machine is characterized in that moving wheels (2) clamped with the machine frame (1) are arranged on two sides of the bottom of the machine frame (1), a rotary chain plate (3) is mounted inside the machine frame (1), the rotary chain plate (3) is embedded and fixed with a separating device (4), a separating tank (7) is arranged on the machine frame (1), a material guide groove plate (8) is connected to the bottom of the separating tank (7), the separating tank (7) is connected with the rotary chain plate (3) through the machine frame (1), a motor (5) is communicated with a belt pulley (6), and the motor (5) is connected with the machine frame (1) through an electric wire;

separator (4) are including body (41), fine filtration grid plate (42), fixed plate (43), coarse filtration grid plate (44), rotatory blade disc (45), salvage crotch (46), body (41) are connected with fixed plate (43), salvage crotch (46), the both ends of body (41) are equipped with fine filtration grid plate (42) and coarse filtration grid plate (44) respectively, fine filtration grid plate (42) are connected with fixed plate (43) and salvage crotch (46) respectively with the both sides of coarse filtration grid plate (44), salvage and install rotatory blade disc (45) on crotch (46), fixed plate (43) are inlayed and are fixed on gyration link joint (3).

2. The rotary grate blowdown machine of claim 1, further comprising: rough filtration grid plate (44) are including framework (441), grid strip (442), circulation mouth (443), strengthening rib (444), be equipped with strengthening rib (444) on framework (441), strengthening rib (444) both sides are inserted mutually with grid strip (442) and are inlayed, be equipped with circulation mouth (443) on grid strip (442), grid strip (442) are connected on framework (441), framework (441) are connected with fine filtration grid plate (42) through body (41), framework (441) both sides are connected with fixed plate (43) and salvage crotch (46) respectively.

3. The rotary grate blowdown machine of claim 1, further comprising: fine filter grid plate (42) are including the activity open piece (421), oblique flow baffle (422), separation sieve spare (423), casing (424), the activity is opened piece (421) both sides and all meets with oblique flow baffle (422), oblique flow baffle (422) are inserted and are inlayed on casing (424), the activity is opened piece (421) inside and is equipped with separation sieve spare (423), casing (424) are connected with framework (441) through body (41), casing (424) both sides are connected with fixed plate (43) and fishing crotch (46) respectively.

4. The rotary grate blowdown machine of claim 3, further comprising: the screening device (423) comprises a gauze filter plate (B1), a dispersible tablet (B2), a sieve tray (B3) and a wave rough plate (B4), wherein the gauze filter plate (B1) is arranged at the middle position of the sieve tray (B3), the outer wall of the gauze filter plate (B1) is connected with the wave rough plate (B4), the wave rough plate (B4) is inserted and embedded in the inner wall of the sieve tray (B3), the wave rough plate (B4) is connected with the dispersible tablet (B2), and the sieve tray (B3) is arranged on the movable tension block (421).

5. The rotary grate blowdown machine of claim 1, further comprising: rotatory blade disc (45) are including carousel (451), flexible knife (452), connect pole (453), location axle (454), spacing seat (455), carousel (451) and spacing seat (455) fixed connection, spacing seat (455) inside is equipped with location axle (454), connect pole (453) and location axle (454) swing joint, connect pole (453) to run through on flexible knife (452), carousel (451) and fishing crotch (46) activity block.

6. The rotary grate blowdown machine of claim 5, further comprising: the telescopic knife element (452) comprises a ball (521), a knife plate (522), knife teeth (523), a telescopic adjusting rod (524) and an extension seat (525), the ball (521) is connected inside the telescopic adjusting rod (524), the extension seat (525) is movably connected with the knife plate (522) through the telescopic adjusting rod (524), the knife plate (522) is embedded and embedded with the knife teeth (523), and the extension seat (525) is connected with a connecting rod (453).

7. The rotary grate blowdown machine of claim 6, further comprising: sword tooth (523) are including blade (C1), fixed block (C2), cutting edge (C3), blade (C1) both sides all are equipped with cutting edge (C3), blade (C1) lock joint is on fixed block (C2), gomphosis is inlayed with cutting board (522) to fixed block (C2).

8. The rotary grate blowdown machine of claim 4, further comprising: the wave rough plates (B4) are provided with a plurality of blocks, and a plurality of wave rough plates (B4) are in an equidistant annular structure to form a conical cylinder structure and are connected inside the sieve tray (B3).