CN218013946U - Ditch sludge coarse screening device - Google Patents
Ditch sludge coarse screening device Download PDFInfo
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- CN218013946U CN218013946U CN202221720711.2U CN202221720711U CN218013946U CN 218013946 U CN218013946 U CN 218013946U CN 202221720711 U CN202221720711 U CN 202221720711U CN 218013946 U CN218013946 U CN 218013946U
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- rotating shaft
- rotary drum
- screening device
- rotating
- coarse screening
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Abstract
The utility model relates to a sludge treatment equipment technical field provides a lead to ditch mud coarse screening device, including casing and the flushing pipe of setting in the casing, and rotate the rotary drum that sets up in the casing, still include, the impurity collecting vat is connected on the casing inner wall, be located inside the rotary drum, the runner rotates and sets up in the casing, its rotation axial direction is on a parallel with the rotation axial of rotary drum, axial recess has along on the cylinder of runner, still have the helicla flute with recess head and the tail intercommunication, the stopper sets up in the impurity collecting vat, the stopper has the spout, the spout has the through-hole, the impeller slides and sets up in the spout, the impeller has pole portion one and pole portion two, pole portion one passes the through-hole and stretches out the stopper, pole portion two butts is in recess or helicla flute. Through above-mentioned technical scheme, the problem of easily piling up when intercepting the impurity on the rotary drum screen cloth and discharging among the prior art has been solved.
Description
Technical Field
The utility model relates to a sludge treatment equipment technical field, it is specific, relate to a dredging channel mud coarse screening device.
Background
The components of the sludge for dredging the ditch are complex, and the coarse substances with the size larger than 10mm in the sludge for dredging the ditch, such as garbage bags, garbage, stones and other impurities, can be separated out through the combined action of a rotary drum screen with the aperture of 10mm and flushing water, so that the sludge for dredging the ditch is roughly screened.
In the actual operation process, the back flush nozzle blocks up easily, is difficult for discovering, leads to the flush pump work abnormal, influences work efficiency, holds back the impurity on the rotary drum screen cloth in addition and easily piles up when discharging, makes the discharge not smooth, long-time unclean can block up the discharge port, influences the continuous coarse screen of rotary drum, reduces screening efficiency. There is therefore a need for improvements in existing equipment to address the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dredging channel mud coarse screening device has solved among the prior art and has held back the easy accumulational problem of impurity discharge on the rotary drum screen cloth.
The technical scheme of the utility model as follows:
a ditch-passing sludge coarse screening device comprises a machine shell, a flushing pipe arranged in the machine shell, a rotary drum rotatably arranged in the machine shell and a sieve plate, and also comprises a sieve plate,
an impurity collecting tank connected to the inner wall of the casing and positioned inside the rotary drum,
the rotating wheel is rotatably arranged in the shell, the rotating axial direction of the rotating wheel is parallel to the rotating axial direction of the rotating drum, a groove along the axial direction is arranged on the cylindrical surface of the rotating wheel, two ends of the spiral groove are communicated with the groove to form a first channel,
a limiting block arranged in the impurity collecting tank, the limiting block is provided with a chute, the chute is provided with a through hole,
the pushing piece is arranged in the sliding groove in a sliding mode and provided with a first rod part and a second rod part, the first rod part penetrates through the through hole and extends out of the limiting block, and the second rod part is located in the first channel.
As a further technical solution, it also includes,
the first rotating shaft is rotatably arranged on the shell, the rotating drum is connected with the first rotating shaft,
a second rotating shaft which is rotatably arranged in the casing, the rotating wheel is connected with the second rotating shaft,
a half gear arranged on the first rotating shaft,
and the first gear is arranged on the second rotating shaft, and after the second rotating shaft rotates, the half gear is meshed with or is not meshed with the first gear.
As a further technical solution, it also includes,
and one end of the elastic piece acts on the side wall of the chute, and the other end of the elastic piece acts on the pushing piece and is used for providing a force for the pushing piece to be far away from the impurity collecting tank.
As a further technical scheme, the side wall of the shell is provided with a discharge port and a feed port, the discharge port is positioned above the feed port and communicated with the impurity collecting tank, and the feed port is communicated with the inside of the rotary drum.
As a further technical scheme, the cross section of the sliding chute is T-shaped.
As a further technical proposal, the method also comprises the following steps,
the supporting plate is connected to the side wall of the casing, the second rotating shaft is rotatably arranged on the supporting plate,
the impurity collecting tank is connected to the supporting plate through the connecting plate.
As a further technical scheme, the device also comprises an electromagnetic flow meter and a pressure sensor which are connected with the flushing pipe.
The utility model discloses a theory of operation and beneficial effect do:
the utility model discloses in, a stopper has been installed in the inside impurity collecting vat department of rotary drum to the inventor, the impeller slides in the spout of stopper, through-hole on the spout is used for passing the pole portion one of impeller, pole portion one restriction is followed the stopper in through-hole department and is removed, the inslot that the runner cylinder was seted up is vertically supported downwards to pole portion two of impeller, after the runner rotates, pole portion two can remove along the trend in groove, accomplish the promotion action of impeller, can push away the impurity of piling up in the impurity collecting vat to the discharge port, avoid impurity to pile up and cause the jam.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a schematic structural view of the middle runner and the limiting block of the present invention;
FIG. 5 is a schematic view of the structure of FIG. 4 from another view angle;
fig. 6 is a schematic structural view of fig. 4 with a limiting block removed.
In the figure: 1. the device comprises a machine shell, 2, a flushing pipe, 3, a rotary drum, 4, an impurity collecting tank, 5, a rotating wheel, 6, a groove, 7, a spiral groove, 8, a limiting block, 9, a sliding groove, 10, a through hole, 11, a pushing piece, 12, a first rod part, 13, a second rod part, 14, a first rotating shaft, 15, a second rotating shaft, 16, a half gear, 17, a first gear, 18, an elastic piece, 19, a discharge port, 20, a feed inlet, 21, a supporting plate, 22, a connecting plate, 23, an electromagnetic flowmeter, 24 and a pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive work, are related to the scope of protection of the present invention.
As shown in fig. 1 to fig. 6, the present embodiment provides a trench sludge coarse screening device, which comprises a casing 1, a flushing pipe 2 arranged in the casing 1, a rotary drum 3 rotatably arranged in the casing 1, and a second screening device,
an impurity collecting tank 4 connected on the inner wall of the machine shell 1 and positioned inside the rotary drum 3,
the rotating wheel 5 is rotatably arranged in the machine shell 1, the rotating axial direction of the rotating wheel 5 is parallel to the rotating axial direction of the rotating drum 3, a groove 6 along the axial direction is arranged on the cylindrical surface of the rotating wheel 5, two ends of the spiral groove 7 are communicated with the groove 6 to form a first channel,
a limiting block 8 arranged in the impurity collecting tank 4, the limiting block 8 is provided with a chute 9, the chute 9 is provided with a through hole 10,
the pushing piece 11 is arranged in the sliding groove 9 in a sliding mode, the pushing piece 11 is provided with a first rod portion 12 and a second rod portion 13, the first rod portion 12 penetrates through the through hole 10 to extend out of the limiting block 8, and the second rod portion 13 is located in the first channel.
Further, the method also comprises the following steps of,
a first rotating shaft 14 which is rotatably arranged on the machine shell 1, the rotating drum 3 is connected with the first rotating shaft 14,
a second rotating shaft 15 which is rotatably arranged in the machine shell 1, the rotating wheel 5 is connected with the second rotating shaft 15,
a half gear 16 arranged on the first rotating shaft 14,
and the first gear 17 is arranged on the second rotating shaft 15, and after the second rotating shaft 15 rotates, the half gear 16 is meshed with the first gear 17 or is not meshed with the first gear.
Further, the method also comprises the following steps of,
and an elastic piece 18, one end of which acts on the side wall of the sliding chute 9, and the other end of which acts on the pushing piece 11, and is used for providing a force for keeping the pushing piece 11 away from the impurity collecting tank 4.
Further, the side wall of the machine shell 1 is provided with a discharge port 19 and a feed port 20, the discharge port 19 is positioned above the feed port 20 and is communicated with the impurity collecting tank 4, and the feed port 20 is communicated with the inside of the rotary drum 3.
In this embodiment, in order to solve the problem that impurities trapped on a screen of a rotary drum 3 are prone to accumulation when being discharged in the prior art, a limiting block 8 is installed at an impurity collecting tank 4 inside the rotary drum 3 by an inventor, a pushing part 11 slides in a sliding groove 9 of the limiting block 8, a through hole 10 in the sliding groove 9 is used for penetrating through a rod part one 12 of the pushing part 11, the rod part one 12 is limited to move along the limiting block 8 at the through hole 10, a rod part two 13 of the pushing part 11 vertically and downwards abuts against a groove formed in a cylindrical surface of a rotating wheel 5, after the rotating wheel 5 rotates, the rod part two 13 can move along the direction of the groove, the pushing action of the pushing part 11 is completed, impurities accumulated in the impurity collecting tank 4 can be pushed to a discharge port 19, and blockage caused by accumulation of the impurities is avoided.
In detail, a rotary drum 3 is installed in a machine shell 1, one end of the rotary drum 3 is installed on the inner side wall of the machine shell 1, the other end of the rotary drum 3 is connected with a rotary shaft, namely a first rotary shaft 14, the first rotary shaft 14 is driven by an external motor to realize the rotation of the rotary drum 3, a feed inlet 20 is formed in the side wall of the machine shell 1 and is communicated with an inner cavity of the rotary drum 3 to be used for discharging sludge needing coarse screening into the rotary drum 3, a flushing pipe 2 is arranged above the rotary drum 3, washing water enters a device through the flushing pipe 2 and finally flows to a screen at the top of the rotary drum 3 in a radial water flow mode through an electromagnetic flowmeter and a pressure sensor, an impurity collecting tank 4 is installed on the upper half part of the inner cavity of the rotary drum 3, the impurity collecting tank 4 is fixed on the inner side wall of the machine shell 1, a supporting plate 21 is installed below the impurity collecting tank 4, the bottom of the impurity collecting tank 4 is fixed on the supporting plate 21 through a connecting plate 22, the other rotary shaft, namely a second rotary shaft 15 can rotate freely, a rotary shaft 15 is installed on the end part of the supporting plate 21, a rotary shaft, a rotary wheel 5 is installed on the second rotary shaft 15, the rotary shaft, the rotary wheel 5 rotates along with a second rotary shaft 15, a first gear 17, a first rotary shaft, a first rotary wheel 16 is installed on the first rotary shaft, and a second rotary shaft 14, and a second rotary wheel 17, and a second rotary wheel 16 can drive gear 17, and a second rotary shaft 17, and a first rotary wheel 17, and a second rotary wheel 16 can drive gear 17.
The coarse screening process of the device is that sludge enters the rotary drum 3 through the feeding hole 20, the starting motor drives the first rotating shaft 14 to rotate, the first rotating shaft 14 drives the rotary drum 3 to rotate, substances in the sludge, which are smaller than the aperture of the filter screen on the rotary drum 3, can directly leak out, and the filter screen is not drawn in fig. 2 for showing the internal structure of the rotary drum 3. Impurities in the sludge, such as fine suspended matters, fibers, pulp and the like, are trapped on the inner surface of the screen on the drum 3, and when the impurities trapped on the screen are brought to the upper part by the drum 3, the impurities are washed down by the washing water sprayed from the washing pipe 2, fall into the impurity collecting tank 4, and are discharged from the discharge port 19; after the electric start, the half gear 16 on the first rotating shaft 14 intermittently drives the first gear 17 to rotate, namely, the rotating wheel 5 intermittently rotates, the number of teeth of the half gear 16 can be designed, so that the rotating wheel 5 rotates one circle at each time, in an initial state, the pushing part 11 contracts in the limiting block 8 under the action of the elastic part 18, the second rod part 13 is positioned at the head end of the groove 6, after the rotating wheel 5 rotates, the second rod part 13 enters the spiral groove 7 and moves under the guide of the spiral groove 7, so that the first rod part 12 of the pushing part 11 is pushed outwards, impurities accumulated in the impurity collecting tank 4 are pushed towards the discharge port 19, and at the moment, the elastic part 18 is compressed; after the rotating wheel 5 rotates for a circle, the second rod part 13 returns to the tail end of the groove 6, at the moment, the rotating wheel 5 stops rotating, the elastic part 18 returns, the pushing part 11 is pushed back, the second rod part 13 returns to the head end of the groove 6, and the first rod part 12 returns to the initial position, so that one-time pushing is completed. And then, the half gear 16 is waited to be meshed with the first gear 17 again, and the actions are repeated to realize intermittent pushing.
In conclusion, the coarse screening device can effectively avoid the blockage of the discharge port 19 while completing the coarse screening of the sludge, does not need more power sources, can reduce the energy consumption of the motor through intermittent pushing action, and is favorable for the continuous operation of the device.
Further, the cross section of the chute 9 is T-shaped.
As shown in fig. 4, in this embodiment, the inventor designs the sliding slot 9 into a T shape, so that the pushing element 11 can be well erected in the sliding slot 9 to move, and the pushing element 11 is prevented from falling off due to its own weight.
Further, in the present invention,
a supporting plate 21 connected to the side wall of the housing 1, a second rotating shaft 15 rotatably arranged on the supporting plate 21,
the connecting plate 22 and the impurity collecting tank 4 are connected to the supporting plate 21 through the connecting plate 22.
Further, an electromagnetic flow meter 23 and a pressure sensor 24 are connected to the flushing pipe 25.
In this embodiment, as shown in fig. 1, the inventor also installs an electromagnetic flow meter 23 and a pressure sensor 24 on the flushing pipe 2, so that the device stops alarming when the pressure or flow of the flushing water is abnormal, and sends a signal to allow the operator to overhaul the water pump. The device can run normally and stably, and the working efficiency is improved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A ditch-passing sludge coarse screening device comprises a machine shell (1), a flushing pipe (2) arranged in the machine shell (1), and a rotary drum (3) rotatably arranged in the machine shell (1), and is characterized by also comprising,
an impurity collecting tank (4) connected to the inner wall of the casing (1) and positioned inside the rotary drum (3),
the rotating wheel (5) is rotatably arranged in the shell (1), the rotating axial direction of the rotating wheel is parallel to the rotating axial direction of the rotating drum (3), a groove (6) which is arranged along the axial direction is arranged on the cylindrical surface of the rotating wheel (5), two ends of the spiral groove (7) are communicated with the groove (6) to form a first channel,
a limiting block (8) arranged in the impurity collecting tank (4), the limiting block (8) is provided with a sliding groove (9),
the pushing piece (11) is arranged in the sliding groove (9) in a sliding mode, and the second rod part (13) is located in the first channel.
2. The trench sludge coarse screening device according to claim 1, wherein the chute (9) is provided with a through hole (10), the pushing member (11) is further provided with a first rod part (12), and the first rod part (12) penetrates through the through hole (10) and extends out of the limiting block (8).
3. The trench sludge coarse screening device according to claim 1, further comprising,
a first rotating shaft (14) which is rotatably arranged on the machine shell (1), the rotating drum (3) is connected with the first rotating shaft (14),
a second rotating shaft (15) which is rotatably arranged in the machine shell (1), the rotating wheel (5) is connected with the second rotating shaft (15),
a half gear (16) arranged on the first rotating shaft (14),
and the first gear (17) is arranged on the second rotating shaft (15), and after the second rotating shaft (15) rotates, the half gear (16) is meshed with or is not meshed with the first gear (17).
4. The trench sludge coarse screening device according to claim 1, further comprising,
and one end of the elastic piece (18) acts on the side wall of the sliding chute (9), and the other end of the elastic piece acts on the pushing piece (11) and is used for providing a force for the pushing piece (11) to be far away from the impurity collecting tank (4).
5. The trench sludge coarse screening device as claimed in claim 1, wherein the side wall of the casing (1) is provided with a discharge port (19) and a feed port (20), the discharge port (19) is positioned above the feed port (20) and is communicated with the impurity collecting tank (4), and the feed port (20) is communicated with the inside of the rotary drum (3).
6. The sewer sludge coarse screening device according to claim 1, wherein the cross section of the chute (9) is T-shaped.
7. The trench sludge coarse screening device according to claim 3,
the supporting plate (21) is connected to the side wall of the machine shell (1), the second rotating shaft (15) is rotatably arranged on the supporting plate (21),
a connecting plate (22), the impurity collecting tank (4) being connected to the pallet (21) by the connecting plate (22).
8. The trench sludge unscreening apparatus of claim 1 further comprising an electromagnetic flow meter (23) and a pressure sensor (24) connected to the flush pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221720711.2U CN218013946U (en) | 2022-07-04 | 2022-07-04 | Ditch sludge coarse screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221720711.2U CN218013946U (en) | 2022-07-04 | 2022-07-04 | Ditch sludge coarse screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218013946U true CN218013946U (en) | 2022-12-13 |
Family
ID=84380998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221720711.2U Active CN218013946U (en) | 2022-07-04 | 2022-07-04 | Ditch sludge coarse screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218013946U (en) |
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2022
- 2022-07-04 CN CN202221720711.2U patent/CN218013946U/en active Active
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