Landfill leachate treatment device
Technical Field
The utility model relates to the technical field of leachate treatment, in particular to a garbage leachate treatment device.
Background
The landfill leachate is high-concentration organic wastewater which is formed by deducting saturated water holding capacity of garbage and an overburden layer and passing through the garbage layer and the overburden layer from water contained in the garbage in a landfill, rain and snow water entering the landfill and other water. The treatment of landfill leachate is generally carried out in several steps in the prior art, wherein pretreatment is a basic treatment of the leachate, which includes separation of solids from liquids in the leachate, separation of oil from water in the liquids, and the like.
The utility model provides a landfill leachate treatment device of application number 201821991285.X among the prior art, this landfill leachate treatment device includes the box, can be to the separation of landfill leachate at solid and liquid through setting up the filter chamber, and through oil storage tank and drainage chamber, can discharge respectively after separating fluid and the water in the landfill leachate, in order to realize the processing to the landfill leachate, in addition, still effectively improve the efficiency that oil flows in the oil storage tank fast through jet-propelled portion, have better result of use, but filter screen filters the sweeps and piles up easily to block up the filter screen in a large number when long-time use, thereby influence landfill leachate filtration treatment's efficiency.
Disclosure of utility model
The utility model aims to provide a landfill leachate treatment device, which solves the problem that the efficiency of landfill leachate filtration treatment is affected by the fact that a large amount of filtration scraps are accumulated and easily block the filtration screen when the filtration screen is used for a long time in the prior art.
In order to achieve the purpose, the garbage leachate treatment device comprises a treatment tank body, wherein a water inlet channel is formed in the upper portion in the treatment tank body through a vertical plate, a water outlet is formed in one side of the bottom of the treatment tank body, a filter screen is arranged at the bottom in the water inlet channel, an anti-blocking mechanism is arranged on the upper side of the filter screen and comprises cleaning blades which are rotatably arranged on the surface of the filter screen through a transmission mechanism, a flushing main pipe is arranged in the treatment tank body on the lower side of the filter screen, and a plurality of flushing branch pipes are arranged on the outer side of one end of the flushing main pipe.
Further, a slag discharging groove is formed in the upper surface of the filter screen, and one end of the slag discharging groove is arranged in a downward inclined mode.
Further, a slag discharging port is formed in the tank wall of the treatment tank body at one end of the slag discharging groove, and a sealing cover is arranged at one end of the slag discharging port.
Further, the transmission mechanism comprises a vertical frame arranged on the upper portion of the water inlet channel, a transmission rod is rotatably arranged at the inner top of the vertical frame through a bearing, the lower end of the transmission rod is fixedly connected with the upper middle portion of the cleaning blade, and one end of the transmission rod is connected with a motor through a gear set in a transmission manner.
Further, the gear set comprises a driven gear arranged at one end of the transmission rod, a driving gear meshed with the driven gear is arranged at one end of the motor, and the motor is fixedly arranged at the inner top of the vertical frame.
Furthermore, a plurality of flushing spray heads are arranged on the upper sides of the flushing branch pipes, and the flushing branch pipes are arranged at one end of the flushing main pipe in an equiangular distribution mode.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the anti-blocking mechanism is arranged on the upper side of the filter screen, and comprises the cleaning blades which are rotatably arranged on the surface of the filter screen through the transmission mechanism, so that the upper surface of the filter screen can be rotationally cleaned, and scraps can enter the slag discharging groove, so that the filter screen is prevented from being blocked by a large amount of accumulated scraps, and the efficiency of the filtration treatment of the landfill leachate is improved.
2. According to the utility model, the slag discharging groove is formed in the upper surface of the filter screen, one end of the slag discharging groove is arranged in a downward inclined mode, the slag discharging opening is formed in the tank wall of the treatment tank body at one end of the slag discharging groove, the sealing cover is arranged at one end of the slag discharging opening, the rotating cleaning blade is utilized to sweep waste scraps on the upper surface of the filter screen into the slag discharging groove, and then the inclined slag discharging groove is utilized to discharge waste slag, so that the slag discharging is convenient and quick.
3. According to the utility model, the flushing main pipe is arranged in the treatment tank body at the lower side of the filter screen, the plurality of flushing branch pipes are arranged at the outer side of one end of the flushing main pipe, the plurality of flushing spray heads are arranged at the upper side of the flushing branch pipes, and the plurality of flushing branch pipes are distributed at one end of the flushing main pipe at equal angles, so that the filter screen can be subjected to back flushing treatment by conveying high-pressure water into the flushing main pipe and the plurality of flushing branch pipes, the flushing uniformity is good, and the washing efficiency is high.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a front elevational view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a filter screen according to the present utility model;
fig. 3 is a top view of the flush manifold structure of the present utility model.
The device comprises a treatment tank body, a water inlet channel, a filter screen, a cleaning blade, a driving rod, a driven gear, a motor, a driving gear, a vertical frame, a vertical plate, a slag discharging groove, a sealing cover, a flushing main pipe, a water outlet, a flushing branch pipe, a flushing nozzle and a flushing spray head, wherein the treatment tank body, the water inlet channel, the filter screen, the cleaning blade, the driving rod, the driven gear, the motor, the driving gear, the vertical frame, the vertical plate, the slag discharging groove, the sealing cover, the flushing main pipe and the flushing spray head are respectively arranged in sequence, and the flushing main pipe and the flushing spray head are respectively arranged in sequence.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 2 and 3, in an embodiment of the utility model, a landfill leachate treatment device comprises a treatment tank body 1, wherein a water inlet channel 2 is arranged at the inner upper part of the treatment tank body 1 through a vertical plate 10, a water outlet 14 is arranged at one side of the bottom of the treatment tank body 1, a filter screen 3 is arranged in the water inlet channel 2, an anti-blocking mechanism is arranged at the upper side of the filter screen 3, and comprises a cleaning blade 4 rotatably arranged on the upper surface of the filter screen 3 through a transmission mechanism, so that the upper surface of the filter screen 3 can be rotationally cleaned, scraps can be prevented from entering a slag discharge groove 11, a great amount of filtered scraps are prevented from accumulating and blocking the filter screen 3, and the efficiency of the landfill leachate filtration treatment is improved.
As shown in fig. 1 and fig. 3, a flushing manifold 13 is arranged in the treatment tank body 1 at the lower side of the filter screen 3, a plurality of flushing branch pipes 15 are arranged at the outer side of one end of the flushing manifold 13, a plurality of flushing spray heads 16 are arranged at the upper side of the flushing branch pipes 15, and the plurality of flushing branch pipes 15 are arranged at one end of the flushing manifold 13 in an equiangular distribution manner, so that the filter screen 3 can be subjected to back flushing treatment by conveying high-pressure water into the flushing manifold 13 and the plurality of flushing branch pipes 15, flushing uniformity is good, and washing efficiency is high.
As shown in fig. 1 and 2, in order to discharge conveniently and rapidly, a slag discharge groove 11 is formed in the upper surface of the filter screen 3, one end of the slag discharge groove 11 is arranged in a downward inclined manner, a slag discharge port is formed in the tank wall of the treatment tank body 1 at one end of the slag discharge groove 11, a sealing cover 12 is arranged at one end of the slag discharge port, scraps on the upper surface of the filter screen 3 are swept into the slag discharge groove 11 by using the rotating cleaning blade 4, and then the waste slag is discharged by using the inclined slag discharge groove 11.
As shown in fig. 1 and 2, for the clean transmission stability that prevents blocking up of filter screen 3 is higher, including setting up the grudging post 9 on water inlet channel 2 upper portion at drive mechanism, the top is equipped with transfer line 5 through the bearing rotation in the grudging post 9, the middle part fixed connection on transfer line 5 lower extreme and cleaning blade 4, transfer line 5 one end is connected with motor 7 through the gear train transmission, drive transfer line 5 and cleaning blade 4 at filter screen 3 upper surface uniform velocity rotation through motor 7, thereby can clean the processing to filter screen 3, the gear train is including setting up driven gear 6 at transfer line 5 one end, motor 7 one end is equipped with the driving gear 8 that is connected with driven gear 6 meshing, motor 7 is fixed to be set up at the internal top of grudging post 9, control convenient and fast.
When the garbage leachate treatment device is used, garbage leachate is put into the treatment tank body 1 through the water inlet channel 2, solid particulate matter filtering treatment is carried out through the filter screen 3, and an anti-blocking mechanism is arranged on the upper side of the filter screen 3 and comprises the cleaning blades 4 which are rotatably arranged on the upper surface of the filter screen 3 through the transmission mechanism, so that the upper surface of the filter screen 3 can be rotationally cleaned, and scraps can enter the slag discharge groove 11, so that the filter debris is prevented from accumulating and blocking the filter screen 3 in a large amount, and the efficiency of garbage leachate filtering treatment is improved.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.