CN215327384U - Percolate treatment device for urban refuse landfill - Google Patents
Percolate treatment device for urban refuse landfill Download PDFInfo
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- CN215327384U CN215327384U CN202121135336.0U CN202121135336U CN215327384U CN 215327384 U CN215327384 U CN 215327384U CN 202121135336 U CN202121135336 U CN 202121135336U CN 215327384 U CN215327384 U CN 215327384U
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- filter box
- refuse landfill
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Abstract
The utility model relates to the technical field of garbage treatment, in particular to a leachate treatment device for an urban refuse landfill. The specific technical scheme is as follows: municipal refuse landfill leachate treatment device, including the rose box, the vertical baffle that is provided with in the rose box, the vertical breach that runs through in middle part of baffle is located one side of baffle fixedly connected with fixed arc on the breach, be located the opposite side of baffle the insertion is provided with movable arc on the breach, be provided with rabbling mechanism in the region that fixed arc and movable arc enclose, the inlet has been seted up to the bottom of fixed arc, the bottom of movable arc is provided with the liquid outlet that has the filter screen. The utility model solves the problem of low filtering efficiency caused by easy blockage of the filtering plate in the prior art.
Description
Technical Field
The utility model relates to the technical field of garbage treatment, in particular to a leachate treatment device for an urban refuse landfill.
Background
The landfill leachate is sewage seeped by fermentation, rain wash and surface water and underground water soaking in the process of stacking and burying the garbage, and is high-concentration organic wastewater with complex components. When suspended matters in the leachate are treated, a chemical solvent is generally added to be stirred and mixed with the leachate, and precipitates are filtered after standing and then are treated in the next step. When removing the total phosphorus in the leachate, the phosphorus in the leachate is generally stirred and mixed by adding a dephosphorizing agent, so that the phosphorus in the leachate generates insoluble phosphide, and then the insoluble phosphide is removed by precipitation. And after the leachate is added with the dephosphorization agent, the concentration of suspended matters in the leachate can be further increased. Among the prior art, generally adopt the filter to get rid of the precipitate of filtration liquid, and this kind of filtration mode blocks up the mesh on the filter easily, and along with the live time increases, filterable speed can become slowly gradually. Therefore, it is necessary to clean the filter plates from time to time, which not only causes a low filtration efficiency but also prevents continuous filtration work.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a leachate treatment device for an urban refuse landfill, which solves the problem of low filtration efficiency caused by easy blockage of a filter plate in the prior art.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model discloses a leachate treatment device for an urban refuse landfill, which comprises a filter tank, wherein a partition plate is vertically arranged in the filter tank, a gap is vertically arranged in the middle of the partition plate in a penetrating manner, a fixed arc-shaped plate is fixedly connected to one side of the partition plate and the gap, a movable arc-shaped plate is inserted into the gap and is arranged at the other side of the partition plate, a stirring mechanism is arranged in an area defined by the fixed arc-shaped plate and the movable arc-shaped plate, a liquid inlet is formed in the bottom of the fixed arc-shaped plate, and a liquid outlet with a filter screen is formed in the bottom of the movable arc-shaped plate.
Preferably, the stirring mechanism comprises a stirring shaft vertically arranged at the axis of an area defined by the fixed arc-shaped plate and the movable arc-shaped plate, one end of the stirring shaft is fixed at the bottom of the filter box through a first bearing, the other end of the stirring shaft extends out of the top of the filter box and is fixed with a motor, and the stirring shaft is provided with a helical blade with the pitch gradually reduced from the bottom to the top of the filter box.
Preferably, one side of the partition board, which is close to the notch, is vertically provided with a limit groove, the two sides of the movable arc-shaped plate are vertically provided with clamping grooves, and the two ends of the movable arc-shaped plate are inserted into the limit grooves.
Preferably, the bottom of the filter box is provided with an arc-shaped groove for inserting the movable arc-shaped plate, the top of the movable arc-shaped plate extends out of the top of the filter box, and the outer side wall of the movable arc-shaped plate is vertically provided with a baffle.
Preferably, the bottom of the stirring shaft is provided with a cylindrical groove along the axis thereof, a fixed column is arranged in the cylindrical groove, the inner wall of the cylindrical groove is provided with a plurality of sliding grooves, the fixed column is circumferentially arranged in the cylindrical groove and is provided with sliding blocks corresponding to the sliding grooves, the length of the sliding grooves is smaller than that of the cylindrical groove, and the other end of the fixed column extends out of the cylindrical groove and is fixed in the first bearing.
Preferably, a driving gear is sleeved on the stirring shaft and close to the fixed column, a transmission gear meshed with the driving gear is fixed to the bottom of the filter box through a second bearing, the transmission gear penetrates through the liquid inlet, a driving gear meshed with the transmission gear is fixed to the bottom of the filter box through a third bearing, the driving gear is provided with a plurality of blades, the driving gear and the driving gear are meshed with each other in sequence, a fixed shaft is arranged at the top of the driving gear, and a plurality of blades are circumferentially arranged on the fixed shaft.
Preferably, the motor is fixed on the support, push rods are fixed at the bottom of the support, and the two push rods are symmetrically arranged on two sides of the motor.
Preferably, the distance between the driving gear and the bottom of the filter box is larger than the thickness of the transmission gear.
Preferably, the fixed arc is close to its top and has been seted up row's cinder notch, it is provided with the guide slot to slope on the cinder notch to arrange, outside the rose box was stretched out to the other end of guide slot, the feed liquor adds the medicine mouth in the region at rose box upper and movable arc place.
The utility model has the following beneficial effects:
according to the utility model, the partition plate is arranged in the filter box, so that the interior of the filter box is divided into the stirring cavity and the filtrate cavity, meanwhile, the partition plate is provided with the notch, and the fixed arc-shaped plate and the movable arc-shaped plate are arranged on the notch, so that space is provided for the stirring mechanism. The card through activity arc is dismantled and is realized carrying out the intensive mixing through rabbling mechanism to filtration liquid and reagent, simultaneously, also separates the precipitate in the filtration liquid. In order to increase the stirring effect, a driving gear is arranged at the bottom of the stirring shaft, a transmission gear and a driving gear are arranged at the bottom of the stirring cavity, blades are arranged at the top of the driving gear, and finally the driving gear is driven to rotate by the driving gear in a meshing mode, so that the leachate and the reagent are mixed more uniformly. Then through setting the (mixing) shaft to scalable on certain length to realize driving gear and drive gear disengagement, and then come out through the helical blade of pitch difference with precipitate separation in the filtration liquid, in the whole processing procedure, need not to use current filter, just can realize the filter effect, fine solution current filter block up easily, need the problem of regular clearance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion A of FIG. 1;
FIG. 4 is a connecting structure of the fixing arc plate and the partition plate;
FIG. 5 is a schematic view of a movable arc-shaped plate structure;
FIG. 6 is a view showing the state after the stirring shaft is pressed down;
in the figure: the filter box comprises a filter box 1, a partition plate 2, a stirring chamber 3, a filtrate chamber 4, a fixed arc-shaped plate 5, a movable arc-shaped plate 6, a liquid inlet 7, a filter screen 8, a stirring shaft 9, a motor 10, a spiral blade 11, a limiting groove 12, a clamping groove 13, a baffle plate 14, a column-shaped groove 15, a fixed column 16, a sliding groove 17, a sliding block 18, a driving gear 19, a transmission gear 20, a driving gear 21, a blade 22, a support 23, a push rod 24, a slag discharge port 25, a guide groove 26 and a liquid inlet and medicine adding port 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless otherwise indicated, the technical means used in the examples are conventional means well known to those skilled in the art.
Referring to fig. 1-6, the utility model discloses a leachate treatment device for an urban refuse landfill, which comprises a filter box 1, wherein a partition plate 2 is vertically arranged in the filter box 1, the filter box 1 is divided into a stirring chamber 3 and a filtrate chamber 4 by the partition plate 2, a gap is vertically arranged in the middle of the partition plate 2 in a penetrating manner, the partition plate 2 is divided into two parts by the gap, a fixed arc-shaped plate 5 is fixedly connected to the gap on one side of the partition plate 2, a movable arc-shaped plate 6 is inserted into the gap on the other side of the partition plate 2, the movable arc-shaped plate 6 is arranged in the stirring chamber 3, and the fixed arc-shaped plate 5 is arranged in the filtrate chamber 4. The stirring mechanism is arranged in the area enclosed by the fixed arc-shaped plate 5 and the movable arc-shaped plate 6, and can be understood as follows: the fixed arc-shaped plate 5 and the movable arc-shaped plate 6 are combined to form a mixing drum, and the mixing mechanism is arranged in the mixing drum. A liquid inlet 7 is arranged at the bottom of the fixed arc-shaped plate 5, and a liquid outlet with a filter screen 8 is arranged at the bottom of the movable arc-shaped plate 6.
Specifically, the method comprises the following steps: the stirring mechanism comprises a stirring shaft 9 which is vertically arranged at the axis of an area surrounded by the fixed arc-shaped plate 5 and the movable arc-shaped plate 6, one end of the stirring shaft 9 is fixed at the bottom of the filter box 1 through a first bearing, the other end of the stirring shaft extends out of the top of the filter box 1 and is fixed with a motor 10, and a spiral blade 11 which is gradually reduced from the bottom of the filter box 1 to the top pitch is arranged on the stirring shaft 9. It should be noted that: the pitch of the helical blades 11 is different and is gradually reduced from the bottom to the top of the filter box 1, so that when the helical blades 11 convey percolate with sediment, the sediment in the percolate is extruded and then discharged from the slag discharge opening 25 at the top of the fixed arc-shaped plate 5. A plurality of filtering holes can be formed in the helical blade 11, so that the filtrate can quickly flow to the bottom of the filtering box 1 and then enter the filtrate cavity 4 through the filter screen 8.
Further, in order to increase the stability after the fixed arc-shaped plate 5 and the movable arc-shaped plate 6 are combined, a limit groove 12 is vertically arranged on the partition plate 2 and on one side close to the notch, namely, the limit groove 12 is arranged towards the stirring cavity 3. The inner walls of the two sides of the movable arc-shaped plate 6 are vertically provided with clamping grooves 13, and the two ends of the movable arc-shaped plate 6 are inserted into the limiting grooves 12, which is shown in fig. 2. Meanwhile, an arc-shaped groove for inserting the bottom of the movable arc-shaped plate 6 is formed in the bottom of the filter box 1, and the bottom of the movable arc-shaped plate 6 is positioned. The top of rose box 1 is stretched out at the top of activity arc 6, and is provided with baffle 14 on the lateral wall perpendicularly, and the setting of baffle 14 is for the convenience of taking activity arc 6, and when activity arc 6 in inserting rose box 1 from the top of rose box 1 back, baffle 14 directly supports and leans on the top of rose box 1.
It should be noted that: in the utility model, the movable arc-shaped plate 6 is detachably arranged, so that in the stirring cavity 3, when the movable arc-shaped plate 6 is detached, the stirring mechanism stirs the percolate in the stirring cavity 3 and the added reagent, thereby fully mixing the reagent and the percolate. When activity arc 6 installs the time, the mixture of filtration liquid and sediment carries and dewaters the extrusion along with helical blade 11 to extrude the sediment in the filtration liquid, the solid sediment of dehydration is discharged from row cinder notch 25, and filtrating then leaves along the inner wall of arc, enters into filtrating chamber 4 through filter screen 8, under filter screen 8's effect, even there is the precipitate to fall down along the inner wall of arc, also can be along with helical blade 11 transport goes to dewater the extrusion once more. Therefore, the stirring mechanism disclosed by the utility model not only realizes the stirring and mixing effect of the leachate and the reagent, but also plays a role in separating the precipitate in the leachate from the leachate, thereby not only saving the space, but also avoiding the problem that the filter plate is easy to block and needs to be cleaned regularly in the prior art.
Furthermore, a cylindrical groove 15 is formed in the bottom of the stirring shaft 9 along the axis of the stirring shaft, a fixing column 16 is arranged in the cylindrical groove 15, a plurality of sliding grooves 17 are formed in the inner wall of the cylindrical groove 15, sliding blocks 18 corresponding to the sliding grooves 17 are arranged on the fixing column 16 in the cylindrical groove 15 in the circumferential direction, the length of each sliding groove 17 is smaller than that of the cylindrical groove 15, and the fixing column 16 is prevented from being separated from the cylindrical groove 15. The other end of the fixed column 16 extends out of the column groove 15 and is fixed in the first bearing. Meanwhile, the motor 10 is fixed on the support 23, the push rods 24 are fixed at the bottom of the support 23, the two push rods 24 are symmetrically arranged on two sides of the motor 10, and the push rods 24 control the stirring mechanism to move up and down within the length range of the cylindrical groove 15. The push rod 24 may be an electric push rod or an air cylinder.
Further, in order to increase the mixing effect of leachate and reagent in the stirring cavity 3, a driving gear 19 is sleeved on the stirring shaft 9 and close to the fixed column 16, a transmission gear 20 meshed with the driving gear 19 is fixed to the bottom of the filtering box 1 through a second bearing, the transmission gear 20 penetrates through the liquid inlet 7, a driving gear 21 meshed with the transmission gear 20 is fixed to the bottom of the filtering box 1 through a third bearing, the driving gear 21 is provided with a plurality of blades, the blades are sequentially meshed with each other, a fixed shaft is arranged at the top of the driving gear 21, and a plurality of blades 22 are circumferentially arranged on the fixed shaft. It should be noted that: the transmission gear 20 may be provided with a vane, but in the present invention, the transmission gear 20 is not provided with a vane in order to avoid blocking the liquid inlet 7. The transmission gear 20 belongs to a bridge for driving the driving gear 21 to rotate by the driving gear 19, and the transmission gear 20 enables the driving gear 21 to be meshed with the driving gear through the liquid inlet 7. The number of the driving gears 21 can be set conventionally according to the size of the stirring cavity 3, and the specific arrangement mode can be set according to the actual situation, for example, one driving gear can be meshed on the transmission gear 20, and other driving gears can be meshed on the gear in sequence; two or more drive gears may be engaged with the transmission gear 20, and the other drive gears may be sequentially engaged with the two drive gears, respectively. When the leachate is precipitated and the filtrate is separated, in order to avoid the rotation of the blades 22 on the driving gear, the precipitate is suspended in the leachate, so that the separation effect is influenced, therefore, the stirring shaft 9 is arranged to be telescopic, such as the arrangement of the cylindrical groove 15, the fixed column 16 and the like, which is described above, and the description is omitted.
Further, in order to make the driving gear 19 disengage from the transmission gear 20 after the stirring shaft 9 moves downwards, the distance between the driving gear 19 and the bottom of the filter box 1 is greater than the thickness of the transmission gear 20. Referring specifically to fig. 6, when the stirring shaft 9 abuts against the bottom of the filtering box 1, the driving gear 19 is disengaged from the transmission gear 20. In order to ensure that the driving gear 19 and the transmission gear 20 are successfully meshed after the stirring shaft 9 moves upwards, the pitch between the driving gear 19 and the transmission gear 20 can be set to be larger, so as to avoid the two gears from being clamped.
Furthermore, a slag discharge port 25 is formed in the fixed arc-shaped plate 5 close to the top of the fixed arc-shaped plate, a guide groove 26 is obliquely arranged on the slag discharge port 25, and the other end of the guide groove 26 extends out of the filter box 1, namely, the guide groove 26 is obliquely inclined towards the outlet of the guide groove 26 from the slag discharge port 25. A liquid and medicine inlet 27 is formed in the area where the upper movable arc-shaped plate 6 of the filter box 1 is located, and percolate and reagents are added into the stirring cavity 3 in the filter box 1 through the liquid and medicine inlet 27.
When the device is used, the movable arc-shaped plate 6 is drawn out of the filter box 1, percolate and reagent are added into the stirring cavity 3, the motor 10 is started, the helical blade 11 rotates, the driving gear 19 drives the transmission gear 20 and the driving gear 21 to rotate, and therefore the percolate and the reagent are stirred and mixed uniformly at the bottom of the filter box 1. Then the motor 10 is closed, the movable arc-shaped plate 6 is inserted, and simultaneously the two push rods 24 are started to enable the stirring shaft 9 to move downwards until the bottom of the stirring shaft 9 is abutted against the top of the filter box 1, and at the moment, the driving gear 19 is separated from the transmission gear 20. And the motor 10 is restarted, so that the percolate and the precipitate are conveyed upwards together through the spiral blade 11, the percolate and the precipitate are separated, the separated precipitate is discharged through the guide groove 26, the filtrate enters the filtrate cavity through the filter screen 8, and the next process is carried out. As for the rotation direction of the motor 10, it is sufficient to control according to the arrangement direction of the spiral blade 11.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. Municipal refuse landfill leachate treatment device, including rose box (1), its characterized in that: the filter box is characterized in that a partition plate (2) is vertically arranged in the filter box (1), a notch is vertically arranged in the middle of the partition plate (2) in a penetrating mode, the notch is located on one side of the partition plate (2), a fixed arc plate (5) is fixedly connected to the notch, the other side of the partition plate (2) is located, a movable arc plate (6) is inserted into the notch, a stirring mechanism is arranged in an area formed by the fixed arc plate (5) and the movable arc plate (6) in a surrounding mode, a liquid inlet (7) is formed in the bottom of the fixed arc plate (5), and a liquid outlet with a filter screen (8) is formed in the bottom of the movable arc plate (6).
2. The municipal refuse landfill leachate treatment plant according to claim 1, wherein: the stirring mechanism comprises a stirring shaft (9) which is vertically arranged at the axis of an area surrounded by a fixed arc-shaped plate (5) and a movable arc-shaped plate (6), one end of the stirring shaft (9) is fixed at the bottom of the filter box (1) through a first bearing, the other end of the stirring shaft extends out of the top of the filter box (1) and is fixed with a motor (10), and a spiral blade (11) which is gradually reduced from the bottom of the filter box (1) to the top of the filter box is arranged on the stirring shaft (9).
3. The municipal refuse landfill leachate treatment plant according to claim 1, wherein: one side of the partition board (2) close to the notch is vertically provided with a limit groove (12), the two sides of the movable arc-shaped board (6) are vertically provided with a clamping groove (13), and the two ends of the movable arc-shaped board (6) are inserted into the limit groove (12).
4. The municipal refuse landfill leachate treatment plant according to claim 1, wherein: the bottom of the filter box (1) is provided with an arc-shaped groove for inserting the movable arc-shaped plate (6), the top of the movable arc-shaped plate (6) extends out of the top of the filter box (1), and a baffle (14) is vertically arranged on the outer side wall.
5. The municipal refuse landfill leachate treatment plant according to claim 2, wherein: the stirring shaft is characterized in that a cylindrical groove (15) is formed in the bottom of the stirring shaft (9) along the axis of the stirring shaft, a fixing column (16) is arranged in the cylindrical groove (15), a plurality of sliding grooves (17) are formed in the inner wall of the cylindrical groove (15), sliding blocks (18) corresponding to the sliding grooves (17) are arranged on the fixing column (16) in the cylindrical groove (15) in the circumferential direction, the length of the sliding grooves (17) is smaller than that of the cylindrical groove (15), and the other end of the fixing column (16) extends out of the cylindrical groove (15) and is fixed in the first bearing.
6. The municipal refuse landfill leachate treatment plant according to claim 5, wherein: the stirring shaft (9) is provided with a driving gear (19) in a sleeved mode and is close to the fixing column (16), a transmission gear (20) meshed with the driving gear (19) is fixed to the bottom of the filter box (1) through a second bearing, the transmission gear (20) penetrates through the liquid inlet (7), a driving gear (21) meshed with the transmission gear (20) is fixed to the bottom of the filter box (1) through a third bearing, the driving gear (21) is provided with a plurality of blades which are sequentially meshed with one another, a fixing shaft is arranged at the top of the driving gear (21), and a plurality of blades (22) are arranged on the fixing shaft in the circumferential direction.
7. The municipal refuse landfill leachate treatment plant according to claim 5, wherein: the motor (10) is fixed on the support (23), push rods (24) are fixed at the bottom of the support (23), and the two push rods (24) are symmetrically arranged on two sides of the motor (10).
8. The municipal refuse landfill leachate treatment plant according to claim 6, wherein: the distance between the driving gear (19) and the bottom of the filter box (1) is larger than the thickness of the transmission gear (20).
9. The municipal refuse landfill leachate treatment plant according to claim 1, wherein: fixed arc (5) are close to its top and have been seted up row cinder notch (25), it is provided with guide slot (26) to slope on row cinder notch (25), the other end of guide slot (26) stretches out outside rose box (1), it adds medicine mouth (27) to have offered the feed liquor in the region at rose box (1) upper and movable arc (6) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121135336.0U CN215327384U (en) | 2021-05-25 | 2021-05-25 | Percolate treatment device for urban refuse landfill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121135336.0U CN215327384U (en) | 2021-05-25 | 2021-05-25 | Percolate treatment device for urban refuse landfill |
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| Publication Number | Publication Date |
|---|---|
| CN215327384U true CN215327384U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121135336.0U Active CN215327384U (en) | 2021-05-25 | 2021-05-25 | Percolate treatment device for urban refuse landfill |
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| CN (1) | CN215327384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607018A (en) * | 2022-05-12 | 2022-06-10 | 莱阳市春帆漆业有限责任公司 | Garbage leachate treatment equipment |
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2021
- 2021-05-25 CN CN202121135336.0U patent/CN215327384U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607018A (en) * | 2022-05-12 | 2022-06-10 | 莱阳市春帆漆业有限责任公司 | Garbage leachate treatment equipment |
| CN114607018B (en) * | 2022-05-12 | 2022-07-29 | 莱阳市春帆漆业有限责任公司 | Garbage leachate treatment equipment |
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