CN210885470U

CN210885470U - Aerobic fermentation landfill leachate treatment system

Info

Publication number: CN210885470U
Application number: CN201921758784.9U
Authority: CN
Inventors: 赖剑文; 王明建
Original assignee: Fujian Buxing Environmental Protection Technology Development Co ltd
Current assignee: Fujian Buxing Environmental Protection Technology Development Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-30
Anticipated expiration: 2029-10-18

Abstract

The utility model relates to an aerobic fermentation landfill leachate treatment system belongs to filtration liquid treatment technical field, its technical scheme main points, include: the mounting frame is mounted on the adjusting tank; the liquid adding device is arranged on the mounting rack, is connected with an acid liquid source through a transfusion hose and is used for adding acid liquid into the regulating reservoir; the sliding plates are connected with the bottom wall of the adjusting tank in a sliding manner along the horizontal direction and are symmetrical; the stirring device is arranged on the sliding plate and is used for stirring the liquid in the regulating tank; and the driving device is arranged on the adjusting tank and used for driving the sliding plate to slide. The utility model discloses a processing system when using, can make everywhere filtration liquid acid-base reaction in the equalizing basin more even to can effectual reduction reaction time, improve the treatment effeciency of filtration liquid.

Description

Aerobic fermentation landfill leachate treatment system

Technical Field

The invention relates to the technical field of leachate treatment, in particular to an aerobic fermentation garbage leachate treatment system.

Background

Along with the development of social economy and the improvement of living standard of people, the urban garbage is increased day by day, the treatment of the urban garbage becomes a big problem, the current garbage treatment mode mainly comprises incineration treatment and landfill treatment, and no matter which treatment mode is adopted, garbage leachate is generated.

At present, the treatment mode of the percolate is generally as follows: firstly, garbage leachate flows into an adjusting tank, acid liquor is added into the adjusting tank to enable the pH value of the leachate in the adjusting tank to be approximately 6.8-7.2, and then the treated leachate is sent to a fixed bed bioreactor through a pump to react, so that the leachate is decomposed into CO2, N2, water and the like after a series of reactions.

However, when the actual leachate enters the regulating reservoir, after the acid solution is added manually, part of leachate in the regulating reservoir can be in contact with the acid solution sufficiently, most of leachate cannot be in contact with the acid solution uniformly, so that the acid-base reaction is not uniform, the spent time is longer, and the pH values of leachate at different positions in the regulating reservoir are different greatly, so that the subsequent treatment is influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an aerobic fermentation garbage leachate treatment system, which can enable acid-base reaction of leachate at each position in an adjusting tank to be uniform, so that the reaction time can be effectively reduced, and the treatment efficiency of the leachate can be improved.

The above object of the present invention is achieved by the following technical solutions:

an aerobic fermentation landfill leachate treatment system, comprising: the mounting frame is mounted on the adjusting tank; the liquid adding device is arranged on the mounting rack, is connected with an acid liquid source through a transfusion hose and is used for adding acid liquid into the regulating reservoir; the sliding plates are connected with the bottom wall of the adjusting tank in a sliding manner along the horizontal direction and are symmetrical; the stirring device is arranged on the sliding plate and is used for stirring the liquid in the regulating tank; and the driving device is arranged on the adjusting tank and used for driving the sliding plate to slide.

Adopt above-mentioned technical scheme, the liquid feeding device that sets up can replace the manual work to carry out the interpolation of acidizing fluid in the equalizing basin, and the agitating unit who sets up, under drive arrangement's drive, can stir the liquid in the equalizing basin, make the liquid in the equalizing basin can be more for even distribution in the equalizing basin, and carry out abundant reaction with the acidizing fluid, through the above-mentioned scheme, alright with the even reaction of liquid in the effectual realization equalizing basin, simultaneously, can also reduce the time of reaction, improve the treatment effeciency of filtration liquid.

The invention is further configured such that the stirring device comprises: an extension plate installed on the slide plate; the stirring plate is hinged to one side of the extension plate, which is far away from the sliding plate; and an elastic member disposed between the extension plate and the agitating plate.

Adopt above-mentioned technical scheme, the stirring board and the extension board that set up can mutually support under drive arrangement's drive, stir the liquid in the regulating reservoir, and the elastic component that sets up can cushion and reset the stirring board for the stirring board can reset very fast after the swing, play good stirring effect.

The invention is further configured such that the drive means comprises: the screw rod is horizontally arranged in the regulating reservoir and penetrates through the extension plate, and the threads on the two sides of the screw rod are opposite to drive the extension plates to mutually approach or separate; and the driving piece is arranged on the adjusting tank and used for driving the screw rod to rotate.

Adopt above-mentioned technical scheme, open the driving piece, can drive the lead screw rotation, the lead screw can drive the extension board at rotatory in-process, can be close to each other or keep away from, and the extension board just can drive the stirring board and mix liquid at the in-process that removes, and this structure easy operation easily realizes.

The invention is further provided with a vertical plate arranged at the position between the two extension plates on the bottom wall of the adjusting tank, a piston cylinder is vertically arranged on the vertical plate, the top of the piston cylinder is connected with an extension cylinder communicated with the piston cylinder, rotating rods are arranged in the extension cylinder and the piston cylinder, a stirring component is arranged on the rotating rods, and a power component for driving the rotating rods to rotate is also arranged in the adjusting tank.

Adopt above-mentioned technical scheme, the power component that sets up can drive the bull stick rotation when opening, and the bull stick just can drive the stirring subassembly at rotatory in-process and stir the liquid in the equalizing basin to can further stir liquid, the liquid dispersion of being more even, be favorable to abundant quick reaction.

The invention is further configured such that the stirring assembly comprises: a rotary piece arranged on the rotary rod in the piston cylinder; the stirring blade is arranged on the outer rotating rod of the piston cylinder; and the chock block is arranged in the piston cylinder, the end part of the rotating rod, which is positioned in the piston cylinder, is arranged on the chock block, and a plurality of through holes corresponding to the rotating pieces in position are annularly arranged on the chock block.

By adopting the technical scheme, the rotating rod can drive the stirring blade to rotate, the stirring blade can stir the liquid in the regulating reservoir, and the liquid is uniformly dispersed and better reacts with acid liquor.

The invention is further configured such that the power assembly comprises: the limiting rings are arranged on the vertical plates in a linear mode along the vertical direction; the movable rod is movably inserted in the limiting ring; the connecting rods are hinged at the bottom of the movable rod symmetrically, and the other ends of the connecting rods are hinged with the extension plate; and the elastic push block is arranged on the top end of the movable rod and is contacted with the inner wall of the piston cylinder.

Adopt above-mentioned technical scheme, the extension board is being close to each other or the in-process of keeping away from, can drive the movable rod lift, the movable rod is at the in-process that goes up and down, can drive the elasticity ejector pad and slide along the inner wall of piston cylinder, thereby can make liquid business turn over piston cylinder, liquid is at the in-process through the through-hole, can be rotatory through rivers drive stirring piece, the stirring piece is at rotatory in-process, can drive the bull stick rotatory, the bull stick is at rotatory in-process, just can drive the stirring leaf rotatory very much, through this structure, it is rotatory to utilize drive arrangement's power to drive the stirring leaf, effectual energy can be saved.

The invention is further provided with the liquid adding device comprising: a hollow pipe vertically installed on the mounting rack; a plurality of liquid spraying heads which are obliquely arranged on the hollow pipe at a preset angle; and the swinging assembly is arranged on the mounting frame and used for driving the hollow pipe to swing, and the infusion hose is connected with the hollow pipe.

By adopting the technical scheme, when acid liquor needs to be added into the regulating reservoir, the acid liquor can enter the hollow tube from the infusion hose, then the liquid spraying head on the hollow tube sprays into the regulating reservoir, and the swing assembly can improve the spraying range of the liquid spraying head and further increase the adding effect of the acid liquor.

The invention further provides that the oscillating assembly comprises: the strip-shaped through opening is formed in the mounting frame; rotate and install the pivot in the bar logical opening, the top of hollow tube is connected with the pivot, still install the servo motor who is used for driving the pivot rotation on the mounting bracket.

Adopt above-mentioned technical scheme, the servo motor that sets up can drive the pivot rotatory when opening, and the pivot can drive the swing that the hollow tube makes a round trip at rotatory in-process, and the hollow tube just can drive the hydrojet head on the hollow tube outside at the wobbling in-process and swing, then can further increase the spray regime of hydrojet head for acidizing fluid gets into more even in the equalizing basin.

The invention is further provided that the bottom of the hollow tube is recessed to form a protrusion on the bottom wall of the hollow tube.

By adopting the technical scheme, the bottom of the hollow pipe can form the convex surface due to the arranged bulge, the resistance to acid liquor in the hollow pipe can be reduced due to the convex surface, and the acid liquor can more smoothly enter the liquid spraying head from the side edge of the hollow pipe.

The invention is further provided with that the stirring blade is made of light materials and is in threaded connection with the rotating rod through a screw rod.

Adopt above-mentioned technical scheme, the stirring leaf of light material preparation can alleviate the weight of stirring leaf for the bull stick can be more easy drive the stirring leaf rotatory, and the screw rod that sets up then can be so that the stirring leaf easy to assemble and dismantle, be convenient for change the maintenance.

In conclusion, the invention has the following beneficial effects:

the stirring device and the driving device are arranged, the screw rod can be driven to rotate under the driving of the driving device, the stirring device can be driven by the screw rod to stir liquid in the regulating reservoir, so that the liquid is more uniformly dispersed in the regulating reservoir, the arranged liquid adding device and the swinging assembly are matched with each other, so that acid liquor can be uniformly distributed on the liquid level, and the uniform reaction of leachate and the acid liquor can be promoted through the scheme;

through setting up stirring subassembly and power component, when drive arrangement opened, can drive the stirring subassembly rotation through the power component that sets up, the stirring subassembly can further stir the liquid in the adjustment tank at rotatory in-process for liquid dispersion is more even, is favorable to the high-efficient processing of filtration liquid.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

fig. 2 is an enlarged view at a in fig. 1.

Reference numerals: 1. a regulating tank; 2. a mounting frame; 3. a flexible infusion tube; 4. a slide plate; 41. an extension plate; 42. stirring the plate; 43. a return spring; 5. a screw rod; 51. a motor; 6. a vertical plate; 61. a piston cylinder; 62. an extension cylinder; 63. a rotating rod; 64. a rotating sheet; 65. stirring blades; 66. a chock block; 67. a through hole; 7. a limiting ring; 71. a movable rod; 72. a connecting rod; 73. an elastic push block; 8. a hollow tube; 81. a liquid jet head; 82. a strip-shaped through opening; 83. a rotating shaft; 84. and (4) protruding.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In this embodiment: the utility model provides an aerobic fermentation landfill leachate processing system, as shown in fig. 1 and 2, including equalizing basin 1, the capacity of equalizing basin 1 is generally 10 cubic meters, equalizing basin 1 mainly is used for splendid attire landfill leachate, the pH value of leachate generally is between 4-9, horizontal installation has mounting bracket 2 on equalizing basin 1, mounting bracket 2 extends to the middle sky above the equalizing basin 1, and install the liquid feeding device on mounting bracket 2, the liquid feeding device passes through infusion hose 3 and is connected with the acidizing fluid source, in this embodiment, the acidizing fluid source can be the container of splendid attire acidizing fluid, when needing to add the acidizing fluid to the leachate in equalizing basin 1, can directly open the switch, make the acidizing fluid pass through infusion hose 3 and get into in the liquid feeding device, then add the acidizing fluid into equalizing basin 1 through the liquid feeding device.

There is symmetrical slide 4 at the diapire slidingtype connection of equalizing basin 1, is provided with agitating unit on slide 4, simultaneously, still installs drive arrangement on equalizing basin 1, and drive arrangement can drive slide 4 and be close to or keep away from each other when opening, and slide 4 can drive agitating unit and stir the liquid in the equalizing basin 1 at the in-process that removes for acidizing fluid and the quick reaction of filtration liquid.

In this embodiment, the stirring device includes: an extension plate 41 mounted on the slide 4; and articulate stirring board 42 on extension board 41, all install reset spring 43 in the both sides of stirring board 42, reset spring 43 is kept away from the one end of stirring board 42 and is connected on extension board 41, and reset spring 43 can form certain pulling force to stirring board 42 for stirring board 42 can swing.

Wherein, drive arrangement includes: the lead screw 5 horizontally arranged in the adjusting tank 1, the lead screw 5 horizontally penetrates through the two extension plates 41, threads on two sides of the outer side of the lead screw 5 are opposite, a motor 51 is arranged on the outer wall of the adjusting tank 1, an output shaft of the motor 51 is assembled with the lead screw 5, when the motor 51 is started, the lead screw 5 can be driven to rotate, the lead screw 5 can drive the extension plates 41 to be close to or away from each other in the rotating process, the extension plates 41 can drive the stirring plate 42 to stir liquid back and forth in the moving process, meanwhile, in the back and forth stirring process of the stirring plate 42, due to the elastic force of the reset spring 43, the stirring plate 42 can swing around the extension plates 41 by a preset amplitude, and therefore the stirring effect of the stirring plate 42 on the liquid can be enhanced.

In addition, still install riser 6 at the diapire of equalizing basin 1, riser 6 is in the position between two extension boards 41, simultaneously, still vertically installs piston cylinder 61 on riser 6, is connected with extension cylinder 62 at the top of piston cylinder 61, and extension cylinder 62 is linked together with piston cylinder 61, and is close to the one end that extends cylinder 62 and installs chock 66 in piston cylinder 61, rotates on chock 66 and installs bull stick 63, and the one end of bull stick 63 is installed on chock 66, and the other end is worn out in extending cylinder 62.

Wherein, the rotating plate 64 is installed at one end of the rotating rod 63 in the piston cylinder 61, the rotating plate 64 is in the piston cylinder 61, and the stirring blade 65 is installed at one end of the rotating rod 63 far away from the rotating plate 64, in order to facilitate the replacement of the stirring blade 65, the stirring blade 65 is in threaded connection with the rotating rod 63 through a screw rod, the stirring blade 65 in the embodiment is made of light materials (aluminum alloy and plastic), the stirring blade 65 is positioned outside the extension cylinder 62, and in addition, a plurality of through holes 67 corresponding to the rotating plate 64 in position are further annularly arranged on the plug block 66.

A plurality of limiting rings 7 are further installed on the vertical plate 6 in the vertical direction, the limiting rings 7 are linearly arranged, a movable rod 71 is movably inserted in the limiting rings 7, the bottom of the movable rod 71 is hinged with symmetrical connecting rods 72, and one end of each connecting rod 72, which is far away from the corresponding movable rod 71, is hinged on the extension plate 41; one end of the movable rod 71, which is far away from the connecting rod 72, extends into the piston cylinder 61, and an elastic pushing block 73 is connected to the movable rod 71 through a thread, and the elastic pushing block 73 is in contact with the inner wall of the piston cylinder 61.

In the process that the motor 51 drives the extension plates 41 to approach each other, when the extension plates 41 move away from each other, the movable rod 71 is driven to descend, so that the elastic push block 73 at the top of the movable rod 71 is drawn out along the inner wall of the piston cylinder 61, and at the moment, liquid is drawn from the extension cylinder 62 to a position between the plug block 66 and the elastic push block 73 through the through hole 67 on the plug block 66; during the liquid flowing into the piston cylinder 61, the water flow drives the rotating piece 64 and the stirring blade 65 to rotate together, so that the liquid in the regulating reservoir 1 can be stirred.

When extension board 41 is close to each other, can promote elasticity ejector pad 73 through movable rod 71 and rise along the inner wall of piston cylinder 61, elasticity ejector pad 73 is at the in-process that rises, can follow the propelling movement of through-hole 67 with the liquid in the piston cylinder 61 and go, when liquid flows out through-hole 67, rivers can drive the revolving fragment 64 rotatory, revolving fragment 64 is at the pivoted in-process, can drive the stirring leaf 65 on bull stick 63 and the bull stick 63 and rotate together, make stirring leaf 65 carry out abundant stirring to the liquid in the equalizing basin 1, through the above-mentioned scheme, alright in order to effectual realization to the stirring of liquid in the equalizing basin 1.

In this embodiment, the liquid adding device includes: a hollow pipe 8 vertically installed on the mounting frame 2; the liquid spraying heads 81 are obliquely arranged on the hollow pipe 8 at preset angles, in the implementation, the central axes of the liquid spraying heads 81 and the central axis of the hollow pipe 8 are preset 30-50 degrees, the infusion hose 3 is connected with the hollow pipe 8, and in addition, a swinging assembly used for driving the hollow pipe 8 to swing is further arranged on the mounting frame 2.

In this embodiment, the swing assembly includes: a strip-shaped through hole 82 formed in the mounting frame 2; and a rotating shaft 83 rotatably arranged in the strip-shaped through hole 82, the top of the hollow tube 8 is assembled with the rotating shaft 83, a servo motor for driving the rotating shaft 83 to rotate is further arranged on the mounting frame 2, and an output shaft of the servo motor is assembled with the rotating shaft 83.

When the servo motor is started, the rotating shaft 83 can be driven to rotate positively and negatively, the rotating shaft 83 can drive the hollow pipe 8 to swing back and forth in the rotating process, the hollow pipe 8 can drive the liquid spraying head 81 on the outer side of the hollow pipe 8 to swing in the swinging process, and then the spraying range of the liquid spraying head 81 can be further enlarged, so that the acid liquor can be sprayed in the regulating tank 1 more uniformly.

In addition, in this embodiment, the bottom of hollow tube 8 is inwards sunken for form protruding 84 on the diapire of hollow tube 8, protruding 84 just can make the bottom of hollow tube 8 form the raised surface, and the raised surface can reduce the acidizing fluid resistance in the hollow tube 8, makes acidizing fluid can be more smooth and easy in getting into hydrojet 81 from the side of hollow tube 8.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment as necessary without making a contribution thereto after reading the present specification, but all are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The aerobic fermentation landfill leachate treatment system is characterized by comprising: a mounting rack (2) arranged on the adjusting tank (1);

the liquid adding device is arranged on the mounting rack (2), is connected with an acid liquid source through a transfusion hose (3), and is used for adding acid liquid into the regulating tank (1);

sliding plates (4) which are connected to the bottom wall of the adjusting tank (1) in a sliding manner along the horizontal direction and are symmetrical;

the stirring device is arranged on the sliding plate (4) and is used for stirring the liquid in the regulating tank (1);

and a driving device which is arranged on the adjusting tank (1) and is used for driving the sliding plate (4) to slide.

2. The aerobic fermentation landfill leachate treatment system of claim 1, wherein the stirring device comprises: an extension plate (41) mounted on the slide plate (4); a stirring plate (42) hinged on one side of the extension plate (41) far away from the sliding plate (4); and an elastic member provided between the extension plate (41) and the stirring plate (42).

3. The aerobic fermentation landfill leachate treatment system of claim 1, wherein the driving device comprises: the screw rod (5) is horizontally arranged in the adjusting tank (1) and penetrates through the extension plate (41), and threads on two sides of the screw rod (5) are opposite to drive the extension plate (41) to approach or depart from each other; and the driving piece is arranged on the adjusting tank (1) and used for driving the screw rod (5) to rotate.

4. The aerobic fermentation landfill leachate treatment system according to claim 1, wherein the bottom wall of the regulating tank (1) is provided with a vertical plate (6) at a position between two extension plates (41), a piston cylinder (61) is vertically arranged on the vertical plate (6), an extension cylinder (62) communicated with the piston cylinder (61) is connected to the top of the piston cylinder (61), a rotating rod (63) is arranged in the extension cylinder (62) and the piston cylinder (61), a stirring component is arranged on the rotating rod (63), and a power component for driving the rotating rod (63) to rotate is further arranged in the regulating tank (1).

5. The aerobic fermentation landfill leachate treatment system of claim 4, wherein the stirring assembly comprises: a rotary plate (64) mounted on a rotary rod (63) in the piston cylinder (61); a stirring blade (65) arranged on an external rotating rod (63) of the piston cylinder (61); and the plug block (66) is arranged in the piston cylinder (61), the rotating rod (63) is rotatably connected to the plug block (66) at the end part of the piston cylinder (61), and a plurality of through holes (67) corresponding to the rotating sheets (64) in position are annularly arranged on the plug block (66).

6. The aerobic fermentation landfill leachate treatment system of claim 4, wherein the power module comprises: the limiting rings (7) are arranged on the vertical plates (6) along the vertical direction and are linearly arranged; a movable rod (71) movably inserted in the limiting ring (7); the connecting rods (72) are hinged at the bottoms of the movable rods (71) symmetrically, and the other ends of the connecting rods are hinged with the extension plate (41); and an elastic push block (73) which is arranged on the top end of the movable rod (71) and is contacted with the inner wall of the piston cylinder (61).

7. The aerobic fermentation landfill leachate treatment system of claim 1, wherein the liquid adding device comprises: a hollow pipe (8) vertically arranged on the mounting rack (2); a plurality of liquid spray heads (81) which are obliquely arranged on the hollow pipe (8) at a preset angle; and the swinging assembly is arranged on the mounting rack (2) and used for driving the hollow pipe (8) to swing, and the infusion hose (3) is connected with the hollow pipe (8).

8. The aerobic fermentation landfill leachate treatment system of claim 7, wherein the swing assembly comprises: a strip-shaped through hole (82) formed in the mounting frame (2); rotate pivot (83) of installing in bar through-hole (82), the top of hollow tube (8) is connected with pivot (83), still install on mounting bracket (2) and be used for driving the rotatory servo motor of pivot (83).

9. The aerobic fermentation landfill leachate treatment system according to claim 7, wherein the bottom of the hollow pipe (8) is recessed to form a protrusion (84) on the bottom wall of the hollow pipe (8).

10. The aerobic fermentation landfill leachate treatment system of claim 5, wherein the stirring blade (65) is made of light material and is connected with the rotating rod (63) through screw threads.