CN212327595U - Leachate filtering device - Google Patents

Abstract

The utility model discloses a leachate filter equipment, leachate filter equipment includes: a housing and a separating mechanism; install bleed-off pipeline and feed liquor pipe on the top cap of casing, the casing below sets up the liquid outlet, the isolating construction includes actuating mechanism, centrifugation basket and sediment fill, actuating mechanism includes driving motor and transmission shaft, and wherein driving motor places on the casing top cap, and the transmission shaft stretches into from the top cap inside casing bottom of reacing always, the centrifugation basket is fixed on the transmission shaft, set up the screw thread slide on the internal surface of centrifugation basket, the sediment fill is laid around centrifugation basket oral area, sediment fill outer wall and casing body fixed connection, sediment fill inner wall around the basket, but not with the basket contact of straining, the sediment fill bottom sets up the slag notch. In such a way, the device can efficiently separate solid and liquid in leachate in a centrifugal mode, the water content of filter residues is low, the equipment blockage phenomenon is reduced, and the subsequent water treatment pressure is reduced.

Description

Leachate filtering device

Technical Field

The utility model relates to a filtration equipment field especially relates to a leachate filter equipment.

Background

The garbage leachate has complex components and can release a large amount of odor generated by fermentation in the treatment process, the existing common mode is to use an anaerobic UBF + MBR + NF + RO mode for treatment, so that the aim of harmlessness is achieved, but because various impurities in the leachate are excessive, the leachate generally needs to be subjected to rough filtration before entering an anaerobic UBF reactor, so that the treatment pressure of equipment is reduced, but common rough filtration equipment generally adopts a filter screen or a grating for filtration, although part of the impurities in the leachate can be filtered, on one hand, the filtered residue is relatively large in moisture and generally needs to be treated, on the other hand, the filtered leachate is still relatively rich in impurities, so that pipeline blockage and other phenomena easily occur in subsequent treatment, and the treatment pressure of the equipment is relatively large.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a leachate filter equipment, can realize the autosegregation to the slag charge after the filtration liquid preliminary treatment.

In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a leachate filtration apparatus, characterized in that it comprises: the separation mechanism is supported on the shell; the shell comprises a top cover and a shell body, an air exhaust pipeline and a liquid inlet pipeline are mounted on the top cover, the air exhaust pipeline is externally connected with an exhaust fan, and a liquid outlet is formed below the shell body; separating mechanism includes actuating mechanism, centrifugation basket and sediment fill, actuating mechanism includes driving motor and transmission shaft, driving motor places on the top cap, the transmission shaft of motor stretches into from the top cap inside the casing, the casing bottom is provided with transmission shaft stable structure, install the stirring rake on the axle body of transmission shaft, the centrifugation basket is also fixed on the transmission shaft, be provided with the filtrate hole on the wall of centrifugation basket, set up the screw thread slide on the internal surface of centrifugation basket, centrifugation basket oral area is provided with the basket eaves, the sediment fill is laid around centrifugation basket oral area, the sediment fill includes inner wall, outer wall and bottom, and wherein outer wall and casing body fixed connection, inner wall center on the basket of straining, but not contact with the basket of straining, the sediment fill bottom sets up the slag notch, the slag notch stretches to the casing outside.

In a preferred embodiment of the present invention, the bottom of the centrifugal filter basket is provided with a lotion outlet, the lotion outlet is located on one side of the inner wall of the centrifugal filter basket and is provided with a cover plate, the center of the cover plate is provided with a support rod, the tail end of the support rod is provided with a weight structure, and when the cover plate is static, the weight can support the cover plate away from the inner wall of the filter basket under the action of gravity.

In a preferred embodiment of the present invention, the centrifugal filter basket is fixed to the transmission shaft by an upper filter basket support and a lower filter basket support, the upper filter basket support divides the centrifugal filter basket into an upper part and a lower part, the upper part of the centrifugal filter basket is perpendicular to the horizontal plane, and the lower part of the centrifugal filter basket has an inverted trapezoidal cross section.

In a preferred embodiment of the present invention, the base angle of the inverted trapezoid is 60 ° -75 °.

In a preferred embodiment of the present invention, the height of the upper part of the filter basket is 1/6-1/5 of the height of the whole filter basket.

In a preferred embodiment of the present invention, the included angle between the thread slide on the surface of the centrifugal filter basket and the horizontal plane is 5 to 15 °.

In a preferred embodiment of the present invention, the outermost side of the basket brim of the centrifugal filter basket extends into a space defined by the inner wall and the outer wall of the slag hopper.

In a preferred embodiment of the present invention, the bottom of the slag bucket is inclined, and the slag outlet of the slag bucket is arranged at the lowest point of the bottom of the slag bucket.

In a preferred embodiment of the present invention, the bottom of the slag hopper is inclined at an angle of 5 to 15 °.

In a preferred embodiment of the present invention, a screw conveyor is installed in the slag hole.

The utility model has the advantages that: the utility model discloses an in the leachate separation after handling through preliminary active carbon adsorption, moreover, the steam generator is simple in structure, work is high-efficient, can satisfy continuous filterable requirement in the production process, impurity after the filtration can come out at the effect of centrifugal force under the autosegregation, it is effectual to separate, moisture content is little in the filter residue, the blocking phenomenon who appears in the follow-up processing process has been reduced, production efficiency is improved, and the use high-pressure squirt that can be very simple after the filtration finishes erodees the centrifugal filter basket, reduce the intensity of labour of cleaning process.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

the parts in the drawings are numbered as follows:

101. the device comprises a shell body, a top cover, an air exhaust pipeline, a liquid inlet pipeline, a liquid outlet pipeline and a liquid outlet, wherein the shell body is 102;

201. the device comprises a driving motor, 202. a transmission shaft, 203. a stirring paddle, 204. a transmission shaft bracket;

301. the filter basket comprises a lower filter basket body, 302, an upper filter basket body, 303, an upper filter basket support, 304, a basket brim, 305, a washing liquid outlet, 306, a threaded slideway and 307, a lower filter basket support;

401. outer wall, 402, inner wall, 403, bottom, 404, slag bucket support, 405, slag outlet.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1, an embodiment of the present invention includes:

a leachate filtration apparatus, the leachate filtration apparatus comprising: the separation mechanism is supported on the shell;

the shell comprises a top cover 102 and a shell body 101, wherein an air exhaust pipeline 103 and a liquid inlet pipeline 104 are arranged on the top cover 102, and a liquid outlet 105 is arranged below the shell body 101; the separation mechanism comprises a driving mechanism, a centrifugal filter basket and a slag hopper 4, the driving mechanism comprises a driving motor 201 and a transmission shaft 202, the driving motor 201 is placed on the top cover 102, the transmission shaft 202 of the driving motor 201 extends into the shell from the top cover 101, a transmission shaft support 204 is arranged at the bottom of the shell and can prevent the transmission shaft from radially vibrating in the high-speed rotation process, stirring slurry 203 is installed on the shaft body of the transmission shaft 202, the centrifugal filter basket is also fixed on the transmission shaft 202 through a filter basket upper support 303 and a filter basket lower support 307, a filtrate hole is arranged on the wall of the centrifugal filter basket 2, a thread slide way 306 is arranged on the inner surface of the centrifugal filter basket 2, the included angle between the thread slide way 306 and the horizontal plane is 5-15 degrees, if the angle is too large, the vertical direction is too large in stress and is not easy to slide, a basket eave 304 is arranged at the opening of, the slag hopper 4 is arranged around the opening of the centrifugal filter basket, the slag hopper 4 comprises an inner wall 402, an outer wall 401 and a bottom 403, the outer wall 401 and the shell body 101 are fixed together through a slag hopper support 404, the inner wall 402 surrounds the centrifugal filter basket but is not in contact with the centrifugal filter basket, a slag outlet 405 is formed in the bottom 403 of the slag hopper, the bottom of the slag hopper 4 is inclined at an inclined angle of 5-15 degrees, the slag outlet 405 of the slag hopper is formed in the lowest point of the bottom 403 of the slag hopper, when the filter device runs, spontaneous vibration of the device can bring filter residues to the position of the slag outlet 405, the slag outlet 405 extends to the outside of the shell, a spiral conveying screw is installed in the slag outlet 405, and the spiral conveying screw can bring the filter residues in the slag hopper out of the slag hopper 4 in time.

The bottom of the centrifugal filter basket is provided with a washing liquid outlet 305, the washing liquid outlet 305 is positioned on one side of the inner wall of the centrifugal filter basket and is provided with a cover plate, the center of the cover plate is provided with a support rod, the tail end of the support rod is provided with a heavy hammer, and the heavy hammer is static and can prop the cover plate away from the inner wall of the filter basket under the action of gravity.

The centrifugal filter basket is fixed on the transmission shaft through the filter basket upper support 303 and the filter basket lower support, the filter basket upper support 303 divides the centrifugal filter basket into an upper part and a lower part, the inner wall of the upper part 302 of the centrifugal filter basket is vertical to the horizontal plane, the height of the upper part 302 of the filter basket is 1/6-1/5 of the height of the whole filter basket, the cross section of the lower part 301 of the centrifugal filter basket is in an inverted trapezoid shape, and the bottom angle of the inverted trapezoid is 60-75 degrees. The reason for using the secondary structure is that when more accumulated filter residues fall down from the inner wall of the upper part 302 of the filter basket, the filter residues are easily caught by the trapezoidal position and are prevented from falling to the bottom. The outermost side of the basket eave 304 of the centrifugal filter basket extends into a space determined by the inner wall 401 and the outer wall 402 of the slag hopper 4, so that filter residues can be prevented from falling to a hollow position between the inner wall 402 and the outer side of the centrifugal filter basket before being thrown to the outer wall of the slag hopper after reaching the position of the basket eave 304.

The utility model discloses a theory of operation does:

the first step is as follows: starting a driving motor 201 at a low speed, starting the centrifugal filter basket to rotate, and attaching a cover plate of a washing liquid outlet 105 at the bottom of the filter basket to the inner wall of the filter basket under the action of centrifugal force;

secondly, putting leachate into a centrifugal filter basket through a liquid inlet pipeline 104, increasing the rotating speed, throwing the leachate out of filter holes of the filter basket by using centrifugal force, attaching impurities to the inner wall of the centrifugal filter basket, enabling the direction of the centrifugal filter basket during rotation to be opposite to the direction of a threaded slideway 306 on the inner wall of the filter basket, enabling the impurities to move along the reverse direction of the threaded slideway 306 until the impurities reach the basket brim 304 at the top of the filter basket, then throwing the leachate into a slag hopper 4 under the action of centrifugal force, and meanwhile, externally connecting an exhaust fan with an exhaust pipeline 103 to suck out odor generated in the process;

thirdly, after impurities enter the slag hopper 4, the bottom 403 of the slag hopper is inclined, the slag hopper 4 is fixed on the shell, the whole shell is driven to vibrate frequently by the rotation of the driving motor 201 on the top cover 102 of the shell, the slag hopper 4 can shake continuously, and the impurities are gradually concentrated at the slag outlet 405 at the lowest part of the slag hopper 4 under the action of gravity in the shaking process of the slag hopper 4 and are brought to the outside of the shell by the spiral discharging screw.

And the fourth part, after the filtration is finished, after no filter residue appears at the slag outlet 405, the driving motor 201 is closed, after the motor stops, the centrifugal filter basket is static therewith, when the centrifugal filter basket is static, the cover plate of the washing liquid outlet 305 at the bottom of the filter basket is lifted under the gravity action of the central heavy hammer, then the cover plate 102 is opened, the water pipe is used for washing the inside of the centrifugal filter basket, and the washing liquid is discharged from the liquid outlet 105 on the shell after flowing out from the washing liquid outlet 305.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A leachate filtering device, characterized in that said leachate filtering device comprises: the separation mechanism is supported on the shell;

the shell comprises a top cover and a shell body, wherein an air exhaust pipeline and a liquid inlet pipeline are mounted on the top cover, the air exhaust pipeline is externally connected with a fan, and a liquid outlet is formed below the shell body;

separating mechanism includes actuating mechanism, centrifugation basket and sediment fill, actuating mechanism includes driving motor and transmission shaft, driving motor places on the top cap, driving motor's transmission shaft stretches into from the top cap inside the casing, the casing bottom is provided with transmission shaft stable structure, install the stirring thick liquid on the axle body of transmission shaft, the centrifugation basket of straining is also fixed on the transmission shaft, be provided with the filtrate hole on the wall of centrifugation basket of straining, set up the screw thread slide on the internal surface of centrifugation basket of straining, the sediment fill is laid around centrifugation basket oral area, the sediment fill includes inner wall, outer wall and bottom, and wherein outer wall and casing body fixed connection, inner wall are around straining the basket, but not with straining the basket contact, the sediment fill bottom sets up the slag notch, the slag notch stretches to the casing outside.

2. The leachate filtering apparatus of claim 1 wherein said centrifuge basket has a washing liquid outlet at the bottom, said washing liquid outlet is provided with a cover plate at one side of the inner wall of said centrifuge basket, said cover plate has a stay rod at the center thereof, said stay rod has a weight structure at the end thereof, and at rest, said weight is under the action of gravity to prop said cover plate away from the inner wall of said centrifuge basket.

3. The leachate filtering apparatus of claim 1 wherein said centrifuge basket is fixed to said drive shaft by an upper basket support and a lower basket support, said upper basket support dividing said centrifuge basket into an upper portion and a lower portion, said upper centrifuge basket support dividing said centrifuge basket into an upper portion and a lower portion, said inner wall of said upper centrifuge basket being perpendicular to said horizontal plane, said lower centrifuge basket having an inverted trapezoidal cross-section.

4. The leachate filtering apparatus of claim 3, wherein said inverted trapezoid has a base angle of 60 ° to 75 °.

5. The leachate filtration apparatus of claim 3 wherein said basket has an upper height of 1/6-1/5% of the overall basket height.

6. The leachate filtering apparatus of claim 1 wherein said angle between said threaded slide on the surface of said spin basket and the horizontal is 5-15 °.

7. The leachate filtering apparatus of claim 1, wherein the centrifugal filter basket has a basket brim at its mouth, and the outermost side of the basket brim extends into a space defined by the inner wall and the outer wall of the slag hopper.

8. The leachate filtering apparatus of claim 1 wherein said bottom of said slag hopper is sloped and said slag hopper tap hole is located at the lowest point of said bottom of said slag hopper.

9. The leachate filtering apparatus of claim 8 wherein said bottom of said hopper is inclined at an angle of 5 ° to 15 °.

10. The leachate filtering apparatus of claim 1 wherein said tap hole is fitted with a screw conveyor.

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