Sewage suction device for cleaning river sludge and river sludge sewage suction treatment method thereof
Technical Field
The invention belongs to the technical field of sewage suction devices, and particularly relates to a sewage suction device for cleaning river sludge and a using method thereof.
Background
In order to improve the water environment, the river treatment work is increased year by year. River mud accumulates in river bottoms of river channels due to the fact that the river mud accumulates in the river channels over the years, the river bottoms of the river channels not only affect the water environment, but also affect aquatic fishes and plants, and the given sludge rotten odor can pollute the air environment, so that the river mud needs to be periodically treated. At present, most of the cleaning devices for river sludge are used for sucking sludge at the river bottom out, so that the aim of purifying the river is achieved. But current dirt absorbing device soil pick-up effect is unsatisfactory, still can inhale the impurity of river course together at the soil pick-up in-process, for example river course weeds, glass piece, stone etc. the mud that is doped with these impurity can cause the influence to follow-up mud processing of carrying on, and more serious still can cause the damage to sludge treatment equipment.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the sewage suction device for cleaning the river sludge and the river sludge sewage suction treatment method thereof, which can effectively remove impurities in the sludge, simplify the subsequent sludge treatment steps, and have good sewage suction effect and high efficiency.
The technical scheme is as follows: in order to achieve the purpose, the invention discloses a sewage suction device for cleaning river sludge, which comprises two sewage suction ships, two elevators, a sewage suction device support frame and a sewage suction device, wherein the elevators correspond to the sewage suction ships one by one and are arranged on the sewage suction ships;
the sewage suction device comprises a push-pull mechanism and a plurality of sludge adsorption pipes, a piston is arranged in each sludge adsorption pipe in a matched manner, the push-pull mechanism is connected with all the pistons in a push-pull manner, the push-pull mechanism pulls the pistons to move upwards to enable the sludge adsorption pipes to generate negative pressure to suck sludge into the pistons, and the push-pull mechanism pushes the pistons to move downwards to push out the sludge in the sludge adsorption pipes.
Further, the sludge adsorption pipe is a vertical straight-through pipe, and the lower end part of the sludge adsorption pipe is in a contracted shape; the sludge adsorption pipe is provided with a sludge impurity filtering cover through a joint ring body, and the sludge impurity filtering cover is covered with a contraction-shaped part of the sludge adsorption pipe; the laminating ring body encircles the laminating and fixes the lateral surface at sludge adsorption tube, and the outer lane of laminating ring body is to the slope form of sludge adsorption tube slope gradually.
Furthermore, the sludge impurity filtering cover is a conical cover provided with filtering holes, and the tip end of the conical cover is arranged vertically downwards.
Further, the sludge impurity filtering cover is of a conical filtering net frame structure, and the tip end of the filtering net frame structure is arranged vertically downwards.
Furthermore, a driving mechanism is arranged on the sewage suction device support frame, and the driving mechanism can drive the sewage suction device to move in the horizontal direction; the sewage suction device also comprises a supporting frame, and the push-pull mechanism and the sludge adsorption pipes are arranged on the supporting frame; the supporting frame comprises an upper flat plate and a lower flat plate which are connected through a plurality of vertical supporting rods, the push-pull mechanism comprises a hydraulic cylinder, a movable flat plate and a push-pull rod, the hydraulic cylinder is vertically fixedly arranged on the lower surface of the upper flat plate, the movable flat plate is fixedly arranged at the push-pull end of the hydraulic cylinder, the push-pull rod is circumferentially and rotatably arranged on the lower surface of the movable flat plate, the sludge adsorption tubes can be circumferentially and rotatably arranged on the lower flat plate, the push-pull rods are in one-to-one correspondence with the sludge adsorption tubes and are distributed in a linear array mode, and the push-pull rod partially extends into the sludge adsorption tubes and is fixedly connected with pistons in the sludge adsorption tubes.
Further, an air blower is arranged on the upper flat plate, the upper flat plate is a hollow plate with a cavity, an air outlet of the air blower is communicated with the cavity of the upper flat plate through an air guide pipe, and a first valve is arranged on the air guide pipe; the push-pull rod is a hollow rod with an air guide channel, and the air guide channel is communicated with the cavity of the upper flat plate; the piston is provided with an air guide hole in a penetrating mode, and the air guide channel is communicated with the inside of the sludge adsorption pipe through the air guide hole.
Furthermore, a water suction pump is arranged on the upper flat plate, a water outlet end of the water suction pump is communicated with the cavity of the upper flat plate through a water guide pipe, and a second valve is arranged on the water guide pipe.
Further, every equal sliding fit cover is equipped with the ring on the vertical support pole, the activity is dull and stereotyped to be passed through ring and a plurality of vertical support pole sliding fit setting, just the cover is equipped with compression spring on the pole portion that vertical support pole is located between ring and the lower flat board.
Further, at least one of the sewage suction vessels has a sludge storage bin.
A river sludge sewage absorption treatment method of a sewage absorption device for cleaning river sludge comprises the following specific steps:
the method comprises the following steps: the whole device is placed on the surface of the river water where dirt needs to be sucked, and a servo motor is started to adjust the position of the dirt sucking device according to the position where dirt needs to be sucked;
step two: starting a hydraulic cylinder to push the piston to move downwards, stopping the part, in a contraction shape, of the bottom of the piston close to the sludge adsorption pipe, and then closing the first valve and the second valve;
step three: starting a lifter to drive the sewage suction device to descend, starting a driving motor to drive the sludge adsorption pipe to rotate circumferentially when the tip end of the sludge impurity filter cover touches river bottom sludge, closing the lifter and the driving motor when the sludge impurity filter cover is completely immersed into the sludge and the sludge adsorption pipe is partially immersed into the sludge, and then starting a hydraulic cylinder to pull a piston to move upwards to suck the sludge into the sludge adsorption pipe;
in the sewage suction process, the driving motor is intermittently started to drive the sludge adsorption pipe and the sludge impurity filter cover to synchronously rotate in the circumferential direction, so that the sludge fluidity is improved, the overhead phenomenon of a sludge layer is prevented, and the sewage suction efficiency is improved;
step four: after the sewage suction in the sludge adsorption pipe is finished, starting a lifter to drive the sewage suction device to ascend, stopping the sewage suction device when the sewage suction device ascends to a position higher than the bin opening of the sludge storage bin of the sewage suction ship, and then starting a servo motor to drive the sewage suction device to move to the bin opening of the sludge storage bin of the sewage suction ship;
step five: starting a hydraulic cylinder to push the piston to move downwards, and pushing out the sludge in the sludge adsorption pipe into the sludge storage bin;
because the part of the contracted piston of the sludge adsorption pipe cannot enter, part of sludge remains in the sludge adsorption pipe, and at the moment, the first valve is opened and the blower is started to discharge the remaining sludge into the sludge storage bin;
step six: after the sewage suction operation is completed, the first valve is closed, the second valve is opened, the water inlet of the water suction pump is connected into the water pipe communicated with the water source, and then the water suction pump is started to suck water to clean the sludge adsorption pipe.
Has the advantages that: the invention discloses a sewage suction device for cleaning river sludge and a use method thereof, and has the following beneficial effects:
1) the piston is pulled to move upwards by the pushing mechanism to generate negative pressure in the sludge adsorption pipe to suck sludge into the sludge adsorption pipe, so that the sludge adsorption effect is good, and the efficiency is high;
2) the pushing mechanism pushes the piston to move downwards to push out the sludge in the sludge adsorption pipe, the sludge discharge effect is good, and meanwhile, the air blowing of the air blower is combined to discharge the partial residual sludge in the contraction shape of the sludge adsorption pipe, so that the sludge discharge is relatively thorough;
3) the sludge impurity filtering cover can filter impurities in sludge in the sewage absorbing process, such as river weeds, glass fragments, stones and the like, so that the influence of the impurities on subsequent sludge treatment is effectively avoided, the sludge treatment steps are simplified, and related sludge treatment equipment is well protected;
4) in the sewage suction process, the driving motor is intermittently started to drive the sludge adsorption pipe and the sludge impurity filter cover to synchronously rotate in the circumferential direction, so that the sludge fluidity can be improved, the overhead phenomenon of a sludge layer is prevented, and the sewage suction efficiency is improved;
5) the cleaning device has the cleaning function, prevents the sludge residue from corroding the sludge adsorption pipe and the sludge impurity filter cover after the sludge operation is finished, and prolongs the service life.
Drawings
FIG. 1 is a schematic overall structure of the present invention;
FIG. 2 is an enlarged schematic view of a portion of the structure of FIG. 1;
FIG. 3 is a schematic front view of the structure of FIG. 2;
FIG. 4 is a top view of the sludge suction pipe and the push-pull rod;
fig. 5 is a cross-sectional view taken along section line a-a of fig. 4.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, a sewage suction device for cleaning sludge in a river comprises two sewage suction vessels 1, two elevators 2, a sewage suction device support frame 3 and a sewage suction device 4, wherein the elevators 2 correspond to the sewage suction vessels 1 one by one and are mounted on the sewage suction vessels 1, the sewage suction device support frame 3 spans the two sewage suction vessels 1 through the support of the two elevators 2, the sewage suction device 4 is movably arranged on the sewage suction device support frame 3, and the two elevators 2 can synchronously drive the sewage suction device support frame 3 and drive the sewage suction device 4 to ascend and descend; the sewage suction device 4 comprises a push-pull mechanism 5 and a plurality of sludge adsorption pipes 6, a piston 7 is arranged in each sludge adsorption pipe 6 in a matched manner, the push-pull mechanism 5 is connected with all the pistons 7 in a push-pull manner, the push-pull mechanism 5 can pull the piston 7 to move upwards to enable negative pressure to be generated in the sludge adsorption pipes 6 to suck sludge into the pistons, the push-pull mechanism 5 can push the piston 7 to move downwards to push out the sludge in the sludge adsorption pipes 6, and the sludge suction and discharge effects are very good.
The sludge adsorption pipe 6 is a vertical straight-through pipe, and the lower end part of the sludge adsorption pipe is in a contracted shape, so that the sludge adsorption is uniform and smooth in the sludge adsorption process, and river weeds are prevented from bending or breaking in the sludge adsorption process and penetrating through the sludge impurity filter cover 9 to enter the sludge adsorption pipe 6; the sludge adsorption pipe 6 is provided with a sludge impurity filtering cover 9 through a joint ring body 8, the sludge impurity filtering cover 9 covers the contraction-shaped part of the sludge adsorption pipe 6, and the sludge impurity filtering cover 9 can filter impurities in sludge in the sewage absorption process, such as river weeds, glass fragments, stones and the like, so that the influence of the impurities on the subsequent sludge treatment is effectively avoided, the sludge treatment step is simplified, and the sludge treatment related equipment is well protected; laminating ring body 8 encircles the laminating and fixes the lateral surface at sludge adsorption tube 6, and laminating ring body 8's outer lane is the slope form that inclines gradually to sludge adsorption tube 6, has effectively avoided mud to build up on laminating ring body 8.
In the invention, the sludge impurity filtering cover 9 has the following two structures:
the first method comprises the following steps: the sludge impurity filtering cover 9 is a conical cover provided with filtering holes, and the tip end of the conical cover is vertically arranged downwards;
and the second method comprises the following steps: the sludge impurity filtering cover 9 is of a conical filtering net frame structure, and the tip end of the filtering net frame structure is arranged vertically downwards.
The sewage suction device support frame 3 is provided with a driving mechanism 17, and the driving mechanism 17 can drive the sewage suction device 4 to move in the horizontal direction; the sewage suction device 4 further comprises a supporting frame 10, and the push-pull mechanism 5 and the sludge adsorption pipes 6 are arranged on the supporting frame 10; the supporting frame 10 comprises an upper flat plate 12 and a lower flat plate 13 which are connected through a plurality of vertical supporting rods 11, the driving mechanism 17 comprises a servo motor 37, the driving end of the servo motor 37 is connected with a screw rod 33, a protruding block 35 is integrally formed on the upper flat plate 12, the protruding block 35 is in threaded connection with the screw rod 33, a sleeve 36 is further integrally formed on the upper flat plate 12, a cross rod 34 is arranged on the sewage suction device supporting frame 3, and the sleeve 36 is sleeved on the cross rod 34 in a sliding fit manner; the push-pull mechanism 5 comprises a hydraulic cylinder 14 vertically and fixedly arranged on the lower plate surface of an upper plate 12, a movable plate 15 fixedly arranged at the push-pull end of the hydraulic cylinder 14 and a push-pull rod 16 circumferentially and rotatably arranged on the lower plate surface of the movable plate 15, the sludge adsorption pipes 6 can be circumferentially and rotatably arranged on a lower plate 13, the sludge adsorption pipes 6 can easily enter river sludge through the rotation of the sludge adsorption pipes 6, meanwhile, the sludge adsorption operation is facilitated, the push-pull rods 16 correspond to the sludge adsorption pipes 6 one by one and are distributed in a linear array manner, part of the push-pull rod 16 extends into the sludge adsorption pipes 6 and is fixedly connected with a piston 7 in the sludge adsorption pipes, a bearing seat 17 is arranged below the movable plate 15, the upper end of the push-pull rod 16 is arranged in the bearing seat 17, so that the push-pull rod 16 can also rotate, and the piston 7 can be driven to rotate when the sludge adsorption pipes 6 rotate, the two pistons 7 are fixedly connected with the push-pull rod 16, so that the push-pull rod 16 can rotate in order to avoid the situation that the piston 7 is damaged due to friction with the inner wall of the sludge adsorption pipe 6, and in this way, when the sludge adsorption pipe 6 rotates, the piston 7 and the push-pull rod 16 can be driven to rotate together, so that the situation is effectively avoided; a ring of teeth are arranged on the sludge adsorption pipe 6 in a surrounding mode to form a ring gear 28, and a plurality of ring gears 28 in the same horizontal row are in transmission connection with a driving gear 30 on a driving motor 31 through a chain 29.
The upper flat plate 12 is provided with an air blower 19, the upper flat plate 12 is a hollow plate with a cavity, an air outlet of the air blower 19 is communicated with the cavity of the upper flat plate 12 through an air guide pipe 20, and the air guide pipe 20 is provided with a first valve 21; the push-pull rod 16 is a hollow rod with an air guide channel 22, and the air guide channel 22 is communicated with the cavity of the upper flat plate 12; an air guide hole 23 is formed in the piston 7 in a penetrating mode, the air guide channel 22 is communicated with the inside of the sludge adsorption pipe 6 through the air guide hole 23, and sludge remained on the contraction-shaped part of the sludge adsorption pipe 6 can be discharged in the sewage discharging process through the arrangement of the air blower 19, so that the sludge is discharged thoroughly.
Go up and be provided with suction pump 24 on the dull and stereotyped 12, the outlet end of suction pump 24 passes through aqueduct 25 and the cavity intercommunication of last dull and stereotyped 12, and installs second valve 26 on the aqueduct 25, has cleaning function, can wash sludge adsorption tube 6 and mud impurity filter mantle 9, avoids mud to remain to cause the corruption, increase of service life.
Every equal sliding fit cover is equipped with ring 38 on the vertical support pole 11, activity flat board 15 passes through ring 38 and a plurality of vertical support pole 11 sliding fit sets up, just the pole portion that vertical support pole 11 is located between ring 38 and the lower flat board 13 is gone up the cover and is equipped with compression spring 39, and compression spring 39 plays good cushioning effect.
At least one of the suction vessels 1 has a sludge storage bin.
A river sludge sewage absorption treatment method of a sewage absorption device for cleaning river sludge comprises the following specific steps:
the method comprises the following steps: the whole device is placed on the surface of the river water needing to absorb sewage, and the servo motor 37 is started to adjust the position of the sewage absorbing device 4 according to the position needing to absorb sewage;
step two: starting the hydraulic cylinder 14 to push the piston 7 to move downwards, stopping the part of the bottom of the piston 7 close to the sludge adsorption pipe 6 in a contraction shape, and then closing the first valve 21 and the second valve 26;
step three: starting the lifter 2 to drive the sewage suction device 4 to descend, starting the driving motor 31 to drive the sludge adsorption pipe 6 to rotate circumferentially when the tip end of the sludge impurity filter cover 9 touches the river bottom sludge, closing the lifter 2 and the driving motor 31 when the sludge impurity filter cover 9 is completely immersed into the sludge and the sludge adsorption pipe 6 is partially immersed into the sludge, and then starting the hydraulic cylinder 14 to pull the piston 7 to move upwards to suck the sludge into the sludge adsorption pipe 6;
in the sewage suction process, the driving motor 31 is intermittently started to drive the sludge adsorption pipe 6 and the sludge impurity filter cover 9 to synchronously rotate in the circumferential direction, so that the fluidity of sludge is improved, the overhead phenomenon of a sludge layer is prevented, and the sewage suction efficiency is improved;
step four: after the sewage absorption in the sludge adsorption pipe 6 is finished, the lifter 2 is started to drive the sewage absorption device 4 to ascend, so that the sewage absorption device 4 ascends to a position higher than the bin opening of the sludge storage bin of the sewage absorption ship 1, namely, the sewage absorption device stops, and then the servo motor 37 is started to drive the sewage absorption device 4 to move to the bin opening of the sludge storage bin of the sewage absorption ship 1;
step five: starting a hydraulic cylinder 14 to push a piston 7 to move downwards, and pushing out the sludge in the sludge adsorption pipe 6 into a sludge storage bin;
because the piston 7 of the sludge adsorption pipe 6 in the contraction shape can not enter, a part of sludge is remained in the sludge adsorption pipe, and at the moment, the first valve 21 is opened and the blower 19 is started to discharge the remained sludge into the sludge storage bin;
step six: after the sewage suction operation is completed, the first valve 21 is closed, the second valve 26 is opened, the water inlet of the water suction pump 24 is connected to a water pipe communicated with a water source, and then the water suction pump 24 is started to suck water to clean the sludge adsorption pipe 6.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.