JP2603091Y2 - Dust remover - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dust remover which is installed in a sewage treatment facility or a river, etc., and is used for scraping and removing the residue flowing with the sewage from the sewage.

[0002]

2. Description of the Related Art There are various types of dust removers.
As a general example, there is a type in which a comb-shaped endless member is circulated by a chain, and the residue is scraped up by a scraping piece protruding from a front surface of the comb to process the endless member.

[0003]

[Problems to be Solved by the Invention] Since this dust remover has only a rake function, it remains without being scraped or falls off during scraping, so that dust cannot be efficiently removed early. There were inconveniences such as the need for unnecessary power and the tendency to wear.

[0004]

In order to solve the above-mentioned problems, the invention according to claim 1 has a front opening which is opened as a residue collecting opening.
The part behind the mouth allows sewage to pass through and dams the residue.
Screen-like plate part that only crosses the sewage channel
Screen installed so that the lower part is submerged in sewage
Back and forth around the body and lower fulcrum about the upper fulcrum
Swinging motion and the position corresponding to the residue intake and before
Equipped with a body that can reciprocate between
When the aircraft descends and moves up and down within the aircraft
In the screen body while moving up and down
A dust remover body with a scraping body for scraping the residue,
The residue that flows with the water is collected inside the screen body and scratched.
A dust remover for scraping and removing with a lifting body,
The screen body moves from the waste intake port at the front end to the downstream side.
The width has gradually narrowed and has a waste collecting space,
It is characterized by having a protruded shape . The invention according to claim 2 is the device according to claim 1, wherein:
Flow control vanes are provided to make the sewage upflow . The invention according to claim 3 is the same as that according to claim 1 or 2.
The inside edge of the opening of the screen body is sharpened.
ing.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the illustrated embodiments. 1 and 2 show an embodiment of the present invention. In this embodiment, reference numeral 1 denotes a sewage flow path configured in a sewage or water treatment facility (sand basin), and sewage 2 such as domestic wastewater, industrial wastewater, and river water flows. Reference numeral 3 denotes a bottom wall of the sewage flow path 1, and reference numeral 4 denotes an intermediate floor of the sewage flow path 1.

Reference numeral 10 denotes a screen body, and the screen body 1
0 is formed by bending a metal plate so as to project in a substantially V-shape when viewed from above. The screen body 10 has a valley 11
Is formed in a semi-cylindrical shape, and a screen portion 12 is provided so as to expand in a V-shape upstream from the front end of the valley portion 11. Conversely, the screen part 12 is a waste residue intake port.
The width is gradually reduced from the 14 side to the downstream side, and
A collection space is formed . At the front end of the screen portion 12, a guide portion 13 is further provided which is in contact with the expanding flow path 1, and an opening-like residue intake 14 is formed between the guide portions 13, 13.

More specifically, the screen unit 1
Reference numeral 2 denotes a through hole 15 having a lower front portion and a vertical hole shape, and a rear portion having a higher through hole 15 extending vertically. And
These through holes 15 are respectively formed in a plurality of rows before and after, and in this case, the through holes 15 are formed by hitting a ridge 16 back. The ridge 16 also functions as a reinforcing rib. In addition, there may be a case where the protrusions 16 are not provided, instead of the return.

[0008] The screen body 10 thus formed is tilted backward (30 ° or more) so that the residue intake port 14 faces forward on the upstream side and the lower part is on the upstream side and the upper part is on the downstream side. The bottom corner of the lower end is stably and firmly fixed by fixing means (not shown) so as to fit into a V-shaped groove 5 formed in the bottom wall 3 of the sewage flow path 1. As shown in FIG. 2, the screen body 10 is installed so as to cross between the flow paths 1 as viewed from above and the lower part is immersed in the sewage 2. The screen body 1
Although the front lower end of 0 is slightly floating from the bottom wall 3, the groove 5 may be formed slightly larger so that the front lower end can be accommodated in the groove. In the case of the embodiment, since there is a gap between the lower end of the front part and the bottom wall 3, a sealing means may be appropriately provided by a front plate or the like.

On the front side of the screen body 10, a dust remover main body 20 is provided. The main body 20 includes left and right side plates 2.
0a and a plurality of connecting members 20b (upper and lower ends and between the upper and lower ends) between them, thereby forming a body 2 formed into a rectangular and vertically long frame.
1 is provided. A pair of left and right sprockets 22 are rotatably supported at the upper and lower ends of the body 21, respectively, and a pair of left and right chains 23 are bridged therebetween. 24 reciprocates with a constant stroke. In addition, 25 is an auxiliary roller, and the chain 2
3 is attached to the connecting member 20b in order to guide the cartridge 3 stably. The drive source 24 may be driven by any drive method such as electric drive or hydraulic drive.

The body 20 is supported so as to swing back and forth around a lower portion around an upper rotation support shaft (rotation fulcrum) 27. The body 20 is provided with an actuator 30 driven by a cylinder 29 attached to a fixed bracket 28 and for stable driving.

At a position around the chain 23,
A lifting body 32 is attached. The hoisting body 32 is configured to be stably moved up and down by a plurality of rollers 34 guided in a guide rail 33 provided facing the inside of the dust remover main body 20.

The lifting body 32 is provided with a bracket 35 provided on the back.
As a result, the lifting body 32 itself is L-shaped as viewed from the side, and a reinforcing plate 32a is attached to the base thereof. When viewed from above, the raking body 32 has a shape that fits into the valley portion 11 and the screen portion 12, and a raking tip 36 made of hard rubber, plastic, or the like is separately attached to the tip thereof. The inside of the through hole 15 of the part 12 is lifted.

On the other hand, on the intermediate floor 4, a screw type lifting device 3 which is lifted up by the lifting body 32 and slid down, receives the residue and further lifts it while compressing it.
8 are installed. The upper edge of the screen body 10 is horizontal, but may be parallel to the lower edge.

It is to be noted that the nozzle 39 # is installed so as to spray water from the back side at a place where the nozzle 39 # is clogged, for example, an appropriate place of the through hole 15 #, and the pump 40 is connected to the pipe 41 # through the pipe 41 #. If it is configured to supply water, clogging of the screen unit 12 is eliminated. If the pressure is increased so that it can be sprayed also near the entrance of the hoisting device 38, the residue passing therethrough can be crushed. 42 is the crushing nozzle.

The operation of the above embodiment will now be described. The sewage 2 flows into the sewage flow path 1 in the direction of arrow X from the upstream. It contains a lot of residue. The dust remover body 20 includes a cylinder 29
1 stands by as indicated by the imaginary line in FIG. 1, and at that time, the lifter 32 is located above.

Then, the lifter 32 starts to descend as shown by the arrow Z by the drive source 24 and the chain 23, and at the same time, the dust remover body 20 starts to descend by the cylinder 29. By then, in the screen body 10, a large amount of residue has accumulated in the screen portion 12 and the valley portion 11, and therefore, the scooping body 32 descends so as to scoop all of them and fits into the groove 5 well. Controlled. In other words, instead of simply descending, it is controlled in conjunction with the lowering of the dust remover main body 20. First, when the scraping body 32 descends to a height that does not hit the groove 5, and when the tip enters the groove 5, the scraping body is moved. 32 is gradually lowered together with the dust remover body 20 so as to fit into the groove 5 as shown in FIG. A water pressure receiver 26 is provided on the lower front side of the fuselage 21, and the water pressure receiver 26 is
In response to the water pressure, the dust collector body 20 serves to make the lifting body 32 more conformable in the downstream direction, that is, inside the screen body 10 via the dust remover body 20.

In this state, the lifting body 32 is connected to the screen body 10.
2 fits in the lower end as shown in FIG.
Then, when the drive source 24 is driven to move upward, the lifter 32
1 rises in the direction of the arrow Y in FIG. 1 and the residue accumulated in the screen body 10 is scraped up, and the residue accumulated in the through hole 15 is also scraped by the scraping tip 36. When the scraping body 32 leaves the screen body 10, the residue on the scraping body 32 slides in the direction of the arrow S in FIG. 1 in the inclined direction, and is introduced into the screw-type scraping device 38.

The residue in the hoisting device 38 is sent out while being compressed and sent to the next processing device. The dust remover main body 20 is swung forward by the cylinder 29 while the raised lifting body 32 remains as it is. This state is a standby state. This cycle is repeated periodically. The residue clogged in the through hole 15 is removed by the tooth tip 36, but is removed by the nozzle 39. Further, the scraped residue is cut or cut by the high-pressure jet water from the nozzle 42.

The lifter 32 may be driven reciprocally by a cylinder instead of a chain. Further, the screw-type hoisting device 38 may be omitted and conveyed by a conveyor, or may be processed and conveyed by a twin-cutter crushing (crushing) machine. Furthermore, the screen body 10 may be supported so that the angle can be adjusted, and the dust remover body 20 may be configured to be capable of changing its position in the horizontal direction.

FIG. 3 shows another embodiment. . In this embodiment, a screen body 46 and a raking body 50 are provided on a river 45 (or also applied to a sand basin or the like which is the processing facility).
Are installed in combination. Screen body 4
6 has a deformed V-shape as viewed from above,
The other is a screen part 48 at 7. The side plate 47 is placed along the side surface of the river 45, and the screen portion 48
Is made obliquely transverse to the entire width of the river 45. The screen body 46 is integral, and the screen portion 48 is
It has an opening of 9 mm.

The sewage passes through the through hole 49 ° as shown by the dashed arrow, and the residue is blocked there. On the other hand, 掻揚
The body 50 is adapted to fit inside the screen body 46, and moves up and down and swings to scrape up the residue as in the previous embodiment.

FIG. 4 shows another embodiment. In this embodiment, the screen body 55 has a regular V shape when viewed from above, and the raising body 56 has a similar shape. The screen portion 57 is formed on left and right plate portions of the screen body 55.

FIG. 5 shows another embodiment. In this embodiment, the body 62 of the dust remover main body 61 located on the front side of the screen body 60 is provided with flow control blades 64 for controlling the sewage 63 into an upward flow in a plurality of upper and lower stages.
Since the sewage 63 flows upward due to the blades 64, the residue of the sewage 63 does not unilaterally accumulate below the screen body 60, and the flow of the sewage 63 becomes easy. At the same time, clogging of the residue in the dust remover main body 61 is prevented.

FIG. 6 shows another embodiment. In this embodiment, a side plate 66 is provided on the side surface of the raking body 65 to prevent the residue from spilling.
If the is mounted detachably with bolts and nuts, make sure that sand etc. accumulated on the bottom wall does not spill. It should be noted that a water pressure receiver 67 is provided on the raising body 65.

FIG. 7 shows another embodiment. This embodiment is to solve the problem that the residue 72 is clogged in the through hole 71 of the screen body 70, and the inner edge of the screen portion 73 forming the through hole 71 is formed by a sharp cutting portion 74.
In this way, the residue 72 is actively cut. The cutting section 74 is effective together with the tooth tip 75a of the raking body 75 to cut off the residue.

FIGS. 8 and 9 show another embodiment. In this embodiment, sands 81 accumulated on the bottom wall 80 are also scraped by the dust remover. Instead of using the body 85 to swing the dust remover main body 83 provided on the front side of the screen body 82 around the rotation support shaft 84,
The airframe 85 is slidable by a support 86, and the airframe 85 can be extended and contracted by a cylinder 87 via the support 86. The airframe 85 has a scraping body 8
8 is attached.

The main body 83 of the dust remover is, as shown by a virtual line,
With the cylinder 87 extended, the lifter 88 is also lowered. In this state, the cylinder 87 is operated to
As if by an arrow. At this time, it is free to lift and lift the raking body 88. If the scraping body 88 is guided into the screen body 82, the sands 81 can be guided into the screen body 82, and can be scooped together with the residue.

FIG. 10 shows another embodiment in which the sands 90 are swept. This embodiment uses a screen 9
1. The dust remover main body 92 provided on the front side of
b, the lower part b is made to be able to expand and contract by a cylinder 93 so that the sands 90 are swept.

FIG. 11 also shows another embodiment in which sand 95 is swept. In this embodiment, a dust remover body 9 with a lifting body 97 provided on the front side of a screen body 96 is provided.
8 is rotatably supported on a carriage 100 capable of traveling on the upper floor 99. Then, by moving the carriage 100, the sand 95 is raked by the lowered lifting body 97, and when the lifting body 97 comes in front of the screen body 96, the control is performed so that the lifting body 97 is lowered.

FIG. 12 also shows another embodiment.
In a V-shaped screen body 102 having a through hole 103 and a ridge 104, the ridge 104 is
It does not stand at a right angle from, but gradually shifts the angle and protrudes. In this way, the adjacent ridges 104
The spacing between, since towards the inlet side of the dimensions outlet side dimension W ₂ than increases, it is there no possibility that residue was during clogging.

FIG. 13 also shows an embodiment for preventing clogging of residue. That is, in that rounded screen 105, that protrude toward the protrusions 106 in the radial direction, is residue and becomes larger in dimension W ₄ of the outlet than the inlet dimension W ₃ of the through hole 107 It is less likely to be clogged.

FIG. 14 shows an embodiment in which the entrance width of the through hole 110 is reduced to achieve the same effect.

FIG. 15 shows a screen body 112 formed of punched metal (or plastic). Reference numeral 113 denotes a long hole.

FIG. 16 shows an embodiment in which a strong screen body 115 is formed of corrugated metal. An imaginary line portion is cut off from the outer peripheral portion of the wave portion of the screen body 115 to form a through hole 116 here.

As another embodiment, in the above-described embodiment, the main body of the dust remover may be provided with a stopper which stops at a position suitable for the screen body. Further, as shown in FIG. 11, a sensor 115 for detecting the accumulation amount of sands may be provided, and the sensor 115 may be driven to rake as needed. According to this, energy can be saved.

FIGS. 17 to 19 show other additional examples of the dust remover. This dust remover is provided with a single track type guide rail 21 on a flat, rear-falling screen body 200.
0 shows that the scraping body 225 can be moved up and down with respect to the main body provided with 0 to scoop up the residue.

That is, the screen body 200 is composed of a main body frame 201 having a vertically long rectangular shape as viewed from the front and an inverted letter shape as viewed from the side, and a support frame 20 attached to the upper portion of the back surface.
2 is provided. On the back surface of the main body frame 201, horizontal rails 203 # are mounted in several vertical steps, and on the lower end of the support frame 202, a mounting plate 204 is mounted.

In the screen body 200, the mounting plate 204 is connected to the upper wall 206 on the sewage channel (inflow channel) 205.
Bolts, and the rising angle is 6
It is around 0. Of course, this angle can be set freely. The shape of the main body frame 201 in an inverted letter shape may be a flat shape. A lower mounting plate 207 is also provided at the lower end of the main body frame 201 so as to be fixed to the bottom of the sewage channel 205.

Between the horizontal widths of the screen body 200, a horizontal rail 2
A large number of vertical plates 208 # are arranged in line as before 03 #. These vertical plates 208 # are bent in a U-shape at the upper end, and the others are provided on a flat surface,
The individual parts are arranged at intervals in the longitudinal direction. The interval is penetrating, and only sewage passes through the interval.

The single track type guide rail 210 is attached to the center between the widths of the screen body 200 in front of the horizontal rail 203 # with its longitudinal direction being vertical. The guide rail 210 has a shape obtained by bending an H-shaped steel into a U-shape, and is provided such that a flange thereof comes up and down. The traveling body 212 moves up and down along the guide rail 210.

The traveling body 212 is formed of a frame having side plates on the left and right sides and connected therebetween.
It is designed to roll by 3mm. The roller 213 # is configured to sandwich the upper flange of the guide rail 210 from above and below, and although not shown, a lateral roller may be provided. The traveling body 21
Before and after 2, a scraper 214 for scraping off the upper surface of the guide rail 210 is provided. Although the scraper 214 projects obliquely downward in the traveling direction, the scraper 214 may be further oriented obliquely laterally so as to scrape off the residue.

A pair of left and right support cylinders 216 are fixedly provided on the upper part of the traveling body 212, and a rotating shaft 217 long in the left and right directions is rotatably inserted through the cylinder 216. At both left and right ends of the rotary shaft 217, mounting cylinders 218, 218 are rotatably mounted together with the rotary shaft 217. Mounting tube 2
A stay 219 # protrudes forward from 18, and an attachment member 220 is attached via the stay 219 #. From the mounting member 220, the first rake plate 2
21 and a second scooping plate 222 are provided. The tip of the second scooping plate 222 faces between the vertical plates 208 # of the screen body 200, so that the residue can be scooped. The first and second rake plates 221 and 222 form the rake body 2.
25 are constituted. In addition, the side roller 223 which rolls along the main body frame 201 is provided at both side ends of the raking body 225.
Is installed.

An upper lever 227 and a lower lever 228 protrude from the center of the rotation shaft 217 in the longitudinal direction. These levers 227 and 228 are connected to each motor 22.
Drums 230, 230 rotationally driven by 9, 229
The wires 233 and 233 are controlled individually.
Is wrapped around. A residue receiver 231 is provided below the interrupted upper end of the vertical plate 208 #. A conveyor 232 as shown in FIG. 18 may be provided in place of the residue receiver 231.

The state shown in FIG. 17 to FIG. 19 shows the scooping state. In this state, the lower lever 228 is pulled and the upper lever 227 is loosened, so that the scraping body 225 scrapes off the residue 235 # on the front surface of the screen body 200.
Thereafter, the upper and lower two wires 233 and 233 are simultaneously wound and come to the upper end of the screen body 200. Then, the scraped-up residue is dropped and stored in the residue receiver 231.

After reaching the upper end, the wire 233 on the upper lever 227 side is loosened and the wire 23 on the lower lever 228 side is loosened.
3 is left pulled. As a result, the lifting member 225 is lifted up like an imaginary line by weight, and both wires 2
33, 233 are simultaneously loosened. As a result, the traveling body 2
12 also goes down along the guide rail 210 at the same time.

When it comes down like the imaginary line in FIG. 18,
Since it comes to the bottom of the flow channel, the residue collected at the bottom can be taken in. Then, by loosening the upper lever 227 and pulling the lower lever 228, the residue is taken in and the solid line state shown in FIG. 18 is obtained. The wires 233 and 233
Is controlled by a control panel (not shown).

The "single track type" means that the guide rail is one.
It includes both the case of a book and the case of a plurality of adjacent books. In addition, it is considered that the guide rail is positioned not at the center of the width of the dust remover but slightly off, and the vertical plate itself may be the guide rail.

Further, as shown in FIG. 20, the interval between the vertical plates 237 # of the screen body may be reduced, and in this case, the vertical plates 237 # are easily removed in the depth direction.
May be tapered. In addition, as shown in FIG. 21, a large tree may flow into the flow path 205, and a T-shaped or H-shaped guard 23 hitting the large tree may be used.
9 may be arranged on both sides of the guide rail 210 or the like. The guard 239 has rollers 241 on the side of the lifting body 240.
May be guided.

FIG. 22 shows that a bucket 244 for scooping and lifting earth and sand is provided at the front side of the hoisting body 243 so as to be swingable by a parallel link 245.

FIGS. 23 to 25 show one control example of the dust remover. That is, 247 indicates a water surface, 248 indicates a dust remover, an arrow indicates the movement of the scraping body 249, and the dust remover 248 first scrapes and removes the residue on the water surface 247, Then, the bottom of the dust collector is made and the residue on the entire front of the dust remover is scraped up. And the third time, it also scoops up the sediment accumulated on the bottom of the pond. As described above, the work may not be performed at once but may be performed a plurality of times.

FIG. 26 shows an example in which a high water pressure cutter 251 for cutting a large tree 250 into small pieces is provided on the raking body 252. The cutter 251 can be configured to cut the large tree 250 effectively by interlocking with the movement of the lifting body 252.

FIG. 27 shows that a drive unit 254 such as a motor or a drum is suspended from a hoist crane 253 to enable traverse. A plurality of screen bodies 255 # are arranged below the crane 253 in parallel with each other. Rail 25
6, the traveling body 257 and the lifting body 258 may be selectively set.

FIG. 28 shows another additional example . The same example is another example of the driving method, in which the vertical movement of the traveling body 261 that can travel along the guide rail 260 is controlled by the main cylinder 26.
2, and the swinging of the lifting body 263 is performed by the auxiliary cylinder 26.
4 shows what is performed.

FIG. 29 also shows another additional example . In this example, the scooping of soil and the like is performed reliably and smoothly. That is, a step 271 is formed at the bottom of the flow path 270, and the lower end of the lift guide plate 272 faces the space between the steps 271. The lift guide plate 272 has the same width as the screen body. The guide rail 273 is arranged between the widths.

The invention according to claim 1 is as described above.
Lean body gradually moves downstream from the waste intake at the front end
Has a narrower width and has a space for collecting and collecting residue,
It is characterized by the shape of
The residue taken into the collection space is lowered and taken up.
It is pushed further by the return force of the aircraft when returning to the mouth side,
At this time, the pushing force acts on the surface orthogonal to the pushing force.
Do not obliquely attach to the inner surface that forms
Does it act like a wedge bite
Even small forces are large due to the shape effect of the constricted space.
It can be easily pushed in with a force. Therefore, the residue
Even if the amount is large, the same residue can be easily collected in the residue collecting space.
Into the airplane, and as a result
Is completely returned without being returned incompletely
, The frying is performed without difficulty and trouble occurs
Is also reduced. According to the invention of claim 2, sewage is supplied to the airframe.
Since flow control vanes for ascending flow are provided,
The sewage becomes upward flow by the blades, and the lower side of the screen body
And the residue will not collect on one side
In addition, the flow of sewage becomes easier. Along with the dust remover body
The clogging of the residue inside is also prevented. The device according to claim 3
The inside edge of the through hole opening of the screen body is sharp
Therefore, the residue is actively cut along with the lifting operation of the lifting body
To prevent screen clogging.
And be able to.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a dust remover showing one embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a plan view showing another embodiment.

FIG. 4 is a plan view showing another embodiment.

FIG. 5 is a longitudinal sectional view showing another embodiment.

FIG. 6 is a perspective view showing another embodiment.

FIG. 7 is a cross-sectional view showing another embodiment.

FIG. 8 is a longitudinal sectional view showing another embodiment.

FIG. 9 is a sectional view of a slide portion showing another embodiment.

FIG. 10 is a side view showing another embodiment.

FIG. 11 is a side view showing another embodiment.

FIG. 12 is a schematic plan view showing another embodiment.

FIG. 13 is a schematic plan view showing another embodiment.

FIG. 14 is a schematic plan view showing another embodiment.

FIG. 15 is a perspective view of a screen body showing another embodiment.

FIG. 16 is an enlarged plan view of a main part of a screen body showing another embodiment.

FIG. 17 is a perspective view showing an additional example of a single-track type dust remover.

FIG. 18 is a side view of the single track type dust remover.

19 is a sectional view taken along line ZZ in FIG.

FIG. 20 is a sectional view showing a fine screen body.

FIG. 21 is a sectional view showing a large tree guard type dust remover.

FIG. 22 is a side view showing an example of a dust remover with a bucket.

FIG. 23 is an explanatory view showing a water residue removal operation as one of control examples of the dust remover.

FIG. 24 is an explanatory diagram showing a bottom residue removal operation, which is one of the control examples of the dust remover.

FIG. 25 is an explanatory diagram showing a sediment removal operation, which is one of control examples of the dust remover.

FIG. 26 is a side view showing a high-pressure cutting method for a large tree.

FIG. 27 is a front view showing an example in which a plurality of rows of screen bodies are handled by a hoist crane.

FIG. 28 is a side view showing an example in which the dust remover is driven by a cylinder.

FIG. 29 is a side view showing an example for ensuring the scooping of earth and sand.

[Description of Signs ] 1 sewage channel 2 63 sewage 10 46 55 60 70 82 91 96 1
02 112 115 Screen body 12 48 73 Screen part 14 Sediment intake 20 50 61 83 92 98 Dust remover body 21 62 85 Body 27 84 Rotation support shaft 32 56 75 88 97 Raising body 26 Scraper 30 Delivery means 39 Water guide Outlet 50 Water level adjusting plate 64 Flow control blade 66 Side plate 72 Sewage 74 Cutting section 104 106 Ridge

Continuation of the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E02B 5/08 101 E02B 5/08 103

Claims (3)

(57) [Scope of request for utility model registration] (1) The front side is opened as a waste residue intake port.
Screed that allows sewage to pass through and blocks residue
Plate that crosses the sewage flow path and the lower part is sewage
The screen body that is installed to be immersed in the
Before and after swinging back and forth around the rotation fulcrum
Note that the position corresponding to the residue intake and the lifting
Equipped with a body that can reciprocate between
When the aircraft descends and moves in the airframe,
It moves up and down while fitting in the body and scrapes the residue
And a dust remover body equipped with
The collected residue is collected inside the screen and scraped with a scraper.
A dust remover for removing the screen body,
However, the width gradually narrows from the residue intake port at the front end to the downstream side.
A shape that has a space for collecting and collecting waste and protruding downstream.
A dust remover characterized in that it is in a shape . 2. A flow control for making the wastewater an upward flow.
The dust remover according to claim 1, further comprising a blade. 3. The inner edge of the through hole opening of the screen body is sharp.
The dust remover according to claim 1, wherein the dust remover has a shape .