CN210583806U - Solid-liquid separation device for removing leachate scum and sediments - Google Patents
Solid-liquid separation device for removing leachate scum and sediments Download PDFInfo
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- CN210583806U CN210583806U CN201920655646.1U CN201920655646U CN210583806U CN 210583806 U CN210583806 U CN 210583806U CN 201920655646 U CN201920655646 U CN 201920655646U CN 210583806 U CN210583806 U CN 210583806U
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Abstract
The utility model discloses a solid-liquid separation device for removing leachate scum and sediments, which comprises a settling bin, a scum scraping device and a conveying and extruding device; the slag scraping device is arranged on the bin surface of the settling bin; the slag scraping device comprises a motor fixed on the bin frame and a rotating shaft I driven to rotate by the motor, the rotating shaft I is in transmission connection with a rotating shaft II through a chain, and the slag scraping plate is fixed on the chain connecting the rotating shaft I and the rotating shaft II; the conveying and extruding device comprises a driving motor and a spiral shaft in transmission connection with the driving motor, the spiral shaft is arranged in a spiral groove, a discharge port is arranged at the tail end of the spiral groove, and a heavy hammer door is arranged at the discharge port of the spiral groove; the spiral groove sets up in deposiing the storehouse bottom and with deposiing the storehouse intercommunication. The utility model discloses solid-liquid separation equipment adopts sediment storehouse and screw conveying extrusion mechanism complex mode, can effectively solve filtration liquid and store up the problem of bottom deposit siltation, clearance difficulty in the hole.
Description
Technical Field
The utility model relates to a solid-liquid separation equipment for desorption filtration liquid dross and deposit.
Background
For years, the yield of the household garbage tends to increase year by year, and the disposal problem is always a hot spot of the environmental protection industry. Meanwhile, leachate generated from domestic garbage has high treatment difficulty due to the complex water quality condition, and various problems still exist in actual production to be solved urgently. The utility model aims to solve the problem of removing a large amount of gravels and floating slag in the percolate from the perspective of the pretreatment of the percolate, and because the impurities have the characteristics of large particle size, hardness and complex material components, sediments at the bottom of the percolate storage pit and numerous floaters on the water surface are deposited; on one hand, leachate has serious odor and the cleaning environment is severe; on the other hand, the problem of pump blockage is easy to occur when the percolate is pumped into subsequent treatment equipment. Based on this, there is a need to develop a solid-liquid separation apparatus for removing leachate scum and sediment, which avoids manual cleaning and maintenance.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims to solve the technical problem that a solid-liquid separation equipment for desorption filtration liquid dross and deposit is provided, this solid-liquid separation equipment accessible deposits, screw feed extrusion and scrape the deposit and the dross of sediment device in with filtration liquid and get rid of, reaches the purpose of solid-liquid separation and material dehydration.
For solving the technical problem, the utility model discloses the technical scheme who adopts does:
a solid-liquid separation device for removing leachate scum and sediments comprises a settling bin, a scum scraping device and a conveying and extruding device; the slag scraping device is arranged on the bin surface of the settling bin; the slag scraping device comprises a motor fixed on the bin frame and a rotating shaft I driven to rotate by the motor, the rotating shaft I is in transmission connection with a rotating shaft II through a chain, and the slag scraping plate is fixed on the chain connecting the rotating shaft I and the rotating shaft II; the conveying and extruding device comprises a driving motor and a spiral shaft in transmission connection with the driving motor, the spiral shaft is arranged in a spiral groove, a discharge port is arranged at the tail end of the spiral groove, and a heavy hammer door is arranged at the discharge port of the spiral groove; the spiral groove sets up in deposiing the storehouse bottom and with deposiing the storehouse intercommunication.
The spiral groove is arranged at the bottom of the sedimentation bin in an inclined angle, the spiral shaft penetrates through the whole spiral groove, one part of the spiral shaft is positioned below the water surface in the sedimentation bin, and the other part of the spiral shaft is positioned above the water surface in the sedimentation bin.
Wherein, deposit the storehouse and include water inlet and delivery port, the water inlet communicates with outside leachate discharge pipe, is equipped with the dross baffle in the storehouse of deposiing, and the dross baffle is fixed on deposiing the storehouse inner wall.
Wherein, a plurality of scum boards can be arranged on the chain connecting the rotating shaft I and the rotating shaft II, and the scum is pushed by the scum boards to gather towards the direction of the spiral shaft blades above the liquid level.
The screw shaft comprises a conveying section and an extrusion section, the screw pitch of the conveying section of the screw shaft is unchanged, and the screw pitch of the extrusion section of the screw shaft is gradually reduced along the discharging direction.
And the initial end of the extrusion section of the spiral shaft is provided with a compressed water guide groove, and the compressed water guide groove returns the compressed water to the precipitation bin.
The heavy hammer door comprises a door plate, a screw rod and a heavy hammer inserted in the screw rod, the door plate is rotatably connected with the screw rod, and the door plate is also rotatably connected with the outlet end of the spiral groove.
Wherein, the bottom of the spiral groove is provided with a vent valve.
Compared with the prior art, the beneficial effects of the utility model are that:
the solid-liquid separation device of the utility model adopts the mode that the precipitation bin is matched with the screw conveying and extruding mechanism, so that the problems of sediment deposition and difficult cleaning at the bottom of the percolate storage pit can be effectively solved, and the water content of the material separated by the screw conveying and extruding mechanism is lower; secondly, for scum which is difficult to remove in the percolate, the scum scraping device is adopted to push the scum on the water surface to the spiral reamer, so that the scum is taken out by the spiral conveying and extruding mechanism; finally, the utility model discloses can effectively solve the stifled pump problem of filtration liquid pumping process in-process, and equipment structure is simple, and the practicality is strong.
Drawings
Fig. 1 is a cross-sectional view of a solid-liquid separation device for removing leachate scum and sediment;
FIG. 2 is a top view of the slag scraping device fixed on the bin rack;
FIG. 3 is a schematic structural view of a settling bin;
FIG. 4 is a top view of the settling bin;
FIG. 5 is a left side view of the settling bin;
figure 6 is a top view of a solid-liquid separation device for removing leachate scum and sediment.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings, but the scope of the present invention is not limited thereto.
As shown in fig. 1-6, the solid-liquid separation device for removing leachate scum and sediments of the utility model comprises a settling bin 1, a scum scraping device and a conveying and extruding device; the slag scraping device is arranged on the surface of the settling bin 1; the slag scraping device comprises a motor 6 fixed on the bin frame 30 and a rotating shaft I18 driven to rotate by the motor 6, the rotating shaft I18 is in transmission connection with a rotating shaft II32 through a chain 8, a slag scraping plate 7 is fixed on the chain 8 connecting the rotating shaft 118 and the rotating shaft II32, a plurality of slag scraping plates 7 can be arranged on the chain 8 connecting the rotating shaft I18 and the rotating shaft II32, and the slag scraping plates 7 push scum to gather towards the blade direction of the spiral shaft 10 above the liquid level; the conveying and extruding device comprises a driving motor 14, a speed reducer 19 and a spiral shaft 10 in transmission connection with the driving motor 14, an output shaft of the driving motor 14 is in transmission connection with the spiral shaft 10 through the speed reducer 19, the spiral shaft 10 is arranged in a spiral groove 22, a discharge hole is formed in the tail end of the spiral groove 22, a heavy hammer door is arranged at the discharge hole of the spiral groove 22 and comprises a door plate 11, a screw 12 and a heavy hammer 13 inserted on the screw 12, the door plate 11 is in rotational connection with the screw 12, the door plate 11 is also in rotational connection with the outlet end of the spiral groove 22, and the heavy hammer door is opened; the spiral groove 22 is arranged at the bottom of the sedimentation bin 1 at a certain inclination angle, and the spiral groove 22 is communicated with the sedimentation bin 1. Deposit storehouse 1 and include water inlet 2 and delivery port 3, water inlet 2 passes through flange fixed connection with outside leachate discharge pipe, is equipped with dross baffle 4 in the storehouse of depositing 1, and dross baffle 4 is fixed on the inner wall of depositing storehouse 1.
The screw shaft 10 comprises a conveying section 23 and an extruding section 24, wherein the screw pitch of the conveying section 23 is unchanged, the screw pitch of the extruding section 24 is gradually reduced along the discharging direction, and the change of the screw pitch of the extruding section 24 is determined by the compression ratio required by materials. A pressure shrinkage diversion trench 9 is arranged at the initial end of the screw shaft extrusion section 24, and the compressed water diversion trench 9 reflows the compressed water into the precipitation bin 1; the bottom of the spiral groove 22 is also provided with a manual emptying valve 15.
A certain distance is kept between the water inlet 2 and the water outlet 3 of the sedimentation bin 1, the scum baffle 4 in the sedimentation bin 1 extends into the bottom of the bin, and the scum baffle 4 can prevent scum from flowing into the sedimentation bin 1 from the water inlet 2 along with percolate and then directly discharging the scum over the scum baffle 4; the leachate passes through the scum baffle 4 and then enters the diversion trench 5 through the overflow weir 16, the diversion trench 5 discharges the leachate out of the sedimentation bin 1 from the water outlet 3, and the overflow weir 16 is provided with a screen to intercept scum; the scum scraping device is arranged on the surface of the 1-bin sedimentation bin, the scum scraping device is opened, the motor 6 rotates to drive the gear 17 to rotate (comprising two gears, one gear is fixed on the rotating shaft of the motor 6, one gear is fixed at the end part of the rotating shaft I18, the two gears are connected through the transmission of the chain 31), the motor 6 is fixed on the bin frame 30 of the 1-bin sedimentation bin, the rotating shaft I18 and the rotating shaft II32 are respectively fixed on the bin frame 30 through the bearing structures 33, the rotating shaft I18 and the rotating shaft II32 are connected through the transmission of the chain 8, the gear 17 rotates to drive the rotating shaft I18 to rotate, so as to drive the rotating shaft II32 to rotate, the scum board 7 is fixed on the chain 8, the chain 8 drives the scum board 7 to horizontally and circularly move, the scum on the spiral blade position of the scum of the.
The spiral shaft 10 penetrates through the spiral groove 22, the conveying and extruding mechanism is communicated with the sedimentation bin 1 through the spiral groove 22, and the spiral groove 22 is arranged at the bottom of the sedimentation bin 1 in an inclined mode at a certain angle; the screw shaft 10 comprises a conveying section 23 and an extruding section 24, wherein the screw pitch of the conveying section 23 is unchanged, and the conveying section is used for conveying sediment at the bottom of the settling bin 1 out of the spiral groove 22; the screw pitch of the extrusion section 24 is gradually reduced along the discharging direction, and the section can further compress the sediments conveyed out of the liquid level and reduce the water content of the sediments; a compressed water diversion trench 9 is arranged above the extrusion section 24, the sediment and the scum are compressed in the extrusion section 24, and the extruded water is divided into the compressed water diversion trench 9 and flows back to the sedimentation bin 1; the heavy hammer door is arranged at the discharge hole of the spiral groove 22, sediment and scum are conveyed to the discharge hole under the conveying and extruding action of the spiral shaft 10, and the discharge hole is controlled to be opened and closed by the door plate 11 of the heavy hammer door; the door plate 11 is rotatably connected with the screw 12, the heavy hammer 13 is inserted in the screw 12, the outlet resistance of the discharge port can be controlled by replacing the heavy hammers 13 with different weights, a certain dehydration effect is realized, and meanwhile, the smooth discharge is ensured; under the pushing of the materials, the sediment overcomes the resistance of the heavy hammer door and is discharged out of the equipment to realize solid-liquid separation.
The side walls at the two sides of the compressed water diversion trench 9 extend left and right to form a baffle 21, the baffle 21 can prevent the scum board 7 from splashing out of the equipment during the rotation process of leachate and scum, and the materials are extruded out of the equipment during the process of extruding the materials by the matching of the extrusion section 24 and the heavy hammer door; the lowest end of the bottom of the spiral groove 22 is also provided with a manual emptying valve 15, and filtrate is infiltrated in the emptying bin under the conditions of equipment maintenance and the like.
When the household garbage is treated, the physical properties of the generated percolate have variability, the composition and the yield of sediments and scum in the percolate are not uniform, and the compression ratios required for reaching a certain water content are different; under the condition of large compression ratio, the weight of the heavy hammer can be increased; under the condition of less required compression, the weight of the heavy hammer can be reduced for smooth discharging. The sediment and scum separated from the percolate are matched with the extrusion section 24 of the spiral shaft 10 and the weight gate, and the compression ratio of the weight adjusting device of the weight 13 is changed, so that a certain dehydration effect is realized and smooth discharge is realized.
When the device works, a water inlet 2 of the settling bin 1 is connected with a percolate discharge pipe through a flange, and after percolate enters the settling bin 1 at a certain flow rate, scum floats on the liquid level and is gathered towards the direction of the spiral blade of the spiral shaft 10 exposed out of the liquid level under the pushing of the scum board 7; sediment deposits at the bottom of the bin fall into helical blades of the helical shaft 10 and are conveyed to the outlet direction along with the rotation of the helical shaft 10; the volume of the settling bin 1 and the flow rate of the percolate determine the hydraulic retention time in the bin, the percolate in the settling bin 1 passes through the bottom of the scum baffle 4 under the pushing of hydraulic power, flows into the diversion trench 5 through the overflow weir 16 and finally is discharged out of the equipment through the water outlet 3; the separated sediment and scum are matched with the heavy hammer door through the extrusion section 24 to control proper discharge resistance, so that the dehydration effect is ensured and finally the sediment and scum are discharged out of the equipment to realize solid-liquid separation.
The utility model discloses equipment can be used for domestic waste filtration liquid's solid-liquid separation, and the storehouse that deposits combines to carry extrusion mechanism, can be smoothly with impurity desorption such as gravel in the filtration liquid and realize the lower moisture content of material.
Claims (8)
1. A solid-liquid separation equipment for getting rid of filtration liquid dross and deposit which characterized in that: comprises a precipitation bin, a slag scraping device and a conveying and extruding device; the slag scraping device is arranged on the bin surface of the settling bin; the slag scraping device comprises a motor fixed on the bin frame and a rotating shaft I driven to rotate by the motor, the rotating shaft I is in transmission connection with a rotating shaft II through a chain, and the slag scraping plate is fixed on the chain connecting the rotating shaft I and the rotating shaft II; the conveying and extruding device comprises a driving motor and a spiral shaft in transmission connection with the driving motor, the spiral shaft is arranged in a spiral groove, a discharge port is arranged at the tail end of the spiral groove, and a heavy hammer door is arranged at the discharge port of the spiral groove; the spiral groove sets up in deposiing the storehouse bottom and with deposiing the storehouse intercommunication.
2. The solid-liquid separation device for removing leachate scum and sediment according to claim 1, wherein: the spiral groove is arranged at the bottom of the sedimentation bin in an inclined angle, the spiral shaft penetrates through the whole spiral groove, one part of the spiral shaft is positioned below the water surface in the sedimentation bin, and the other part of the spiral shaft is positioned above the water surface in the sedimentation bin.
3. The solid-liquid separation device for removing leachate scum and sediment according to claim 1, wherein: the sediment storehouse includes water inlet and delivery port, and the water inlet is equipped with the dross baffle with outside filtration liquid delivery pipe intercommunication in the sediment storehouse, and the dross baffle is fixed on sediment storehouse inner wall.
4. The solid-liquid separation device for removing leachate scum and sediment according to claim 1, wherein: and a plurality of scum boards can be arranged on the chain connecting the rotating shaft I and the rotating shaft II, and the scum is pushed by the scum boards to be gathered towards the direction of the spiral shaft blades above the liquid level.
5. The solid-liquid separation device for removing leachate scum and sediment according to claim 1, wherein: the screw shaft comprises a conveying section and an extrusion section, the screw pitch of the conveying section of the screw shaft is unchanged, and the screw pitch of the extrusion section of the screw shaft is gradually reduced along the discharging direction.
6. The solid-liquid separation device for removing leachate scum and sediment according to claim 5, wherein: the initial end of the screw shaft extrusion section is provided with a compressed water diversion trench, and the compressed water diversion trench reflows the compressed water into the precipitation bin.
7. The solid-liquid separation device for removing leachate scum and sediment according to claim 1, wherein: the heavy hammer door comprises a door plate, a screw rod and a heavy hammer inserted in the screw rod, the door plate is rotatably connected with the screw rod, and the door plate is also rotatably connected with the outlet end of the spiral groove.
8. The solid-liquid separation device for removing leachate scum and sediment according to claim 1, wherein: and an emptying valve is arranged at the bottom of the spiral groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655646.1U CN210583806U (en) | 2019-05-08 | 2019-05-08 | Solid-liquid separation device for removing leachate scum and sediments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655646.1U CN210583806U (en) | 2019-05-08 | 2019-05-08 | Solid-liquid separation device for removing leachate scum and sediments |
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| CN210583806U true CN210583806U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920655646.1U Active CN210583806U (en) | 2019-05-08 | 2019-05-08 | Solid-liquid separation device for removing leachate scum and sediments |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750640A (en) * | 2021-08-31 | 2021-12-07 | 长沙中联重科环境产业有限公司 | Solid-liquid separator, use method and garbage treatment equipment |
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2019
- 2019-05-08 CN CN201920655646.1U patent/CN210583806U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750640A (en) * | 2021-08-31 | 2021-12-07 | 长沙中联重科环境产业有限公司 | Solid-liquid separator, use method and garbage treatment equipment |
| CN113750640B (en) * | 2021-08-31 | 2022-11-29 | 长沙中联重科环境产业有限公司 | Solid-liquid separator, use method and garbage treatment equipment |
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