CN211339243U

CN211339243U - Sludge concentration device

Info

Publication number: CN211339243U
Application number: CN201922190440.9U
Authority: CN
Inventors: 陈健; 宁立远; 邓中田; 孙申厚; 韩星; 汪宏; 黎静; 杨辉; 胡涛; 王波; 朱先国
Original assignee: Chongqing Zhicheng Kangbo Environmental Protection Technology Co ltd
Current assignee: Chongqing Mas Sci & Tech Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-08-25
Anticipated expiration: 2029-12-09

Abstract

The utility model relates to a sludge concentration device, which relates to the technical field of sludge treatment and aims to solve the problem that the water body discharged by the existing sludge concentration tank has relatively more impurities, which comprises a tank body and a centrifugal device, wherein the tank body is connected with a mud inlet pipe and a water outlet pipe, a supporting frame is fixed above the tank body, the centrifugal device is arranged on the support frame and comprises a centrifugal barrel and a centrifugal driving mechanism for driving the centrifugal barrel to rotate, the centrifugal barrel comprises a barrel body with an inner cavity which is provided with an upper opening and a lower opening and a barrel bottom plate which is matched with the lower opening of the inner cavity of the barrel body, the barrel body is rotationally connected with the support frame and is provided with a rotating shaft along the central shaft, the rotating shaft is rotationally connected with the support frame and the outer wall of the rotating shaft is fixed with a plurality of connecting rods, one end of the connecting rod, which is far away from the rotating shaft, is fixed on the inner wall of the barrel body, the sludge inlet pipe is communicated with the barrel body, and the water outlet pipe is communicated with the upper part of the tank body and is positioned below the centrifugal device. The utility model discloses can reduce the impurity in the discharged water body to the result of use is better relatively.

Description

Sludge concentration device

Technical Field

The utility model belongs to the technical field of sludge treatment technique and specifically relates to a sludge concentration device is related to.

Background

A large amount of sludge can be generated in the sewage treatment process, and most of the sludge generated by the biochemical sludge and the clarification treatment has the problems of high water content, large volume and inconvenient movement and transportation, so that the sludge needs to be concentrated.

Patent No. CN 204958694U: the utility model provides a sludge thickening tank, sludge thickening tank is including advancing mud pipe, support frame, centrifuge, outlet pipe, squeegee, weir plate, motor, connector, drive shaft, and the connector is located between drive shaft and the motor, advances the mud pipe and is located one side of drive shaft and is located the top of support frame, and support frame, centrifuge all overlap in the drive shaft, and the outlet pipe is located the bottom right side of drive shaft, and the squeegee is located between support frame and the centrifuge, and the weir plate is passed to the one end of advancing mud pipe, and a cavity is constituteed to support frame and weir plate.

The technical scheme provides a sludge concentration tank which can be used for concentrating sludge and reducing the water content of the sludge, but as shown in the specification and the attached drawing 1 of the specification, a water outlet pipe of the sludge concentration tank is positioned at the position of a centrifuge at the bottom of the tank, the sludge directly flows out after being centrifuged, and sludge particles are relatively small, so that the effluent contains more impurities and needs to be reprocessed to influence the use effect, and therefore, a new technical scheme is provided.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, one of the purposes of the utility model is to provide a sludge concentration device, it can reduce the impurity in the discharged water body to the result of use is better relatively.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the sludge concentration device comprises a tank body and a centrifugal device, wherein the tank body is connected with a sludge inlet pipe and a water outlet pipe, a support frame is fixed above the tank body, the centrifugal device is arranged on the support frame, the centrifugal device comprises a centrifugal barrel and a centrifugal driving mechanism for driving the centrifugal barrel to rotate, the centrifugal barrel comprises a barrel body with an upper opening and a lower opening, and a barrel bottom plate matched with the lower opening of the inner cavity of the barrel body, the barrel body is rotatably connected with the support frame, a rotating shaft is arranged along a central shaft, the rotating shaft is rotatably connected with the support frame, a plurality of connecting rods are fixed on the outer wall of the support frame, one end of each connecting rod, far away from the rotating shaft, is fixed on the inner wall of the barrel body, a square slotted hole is formed in the rotating shaft along the central shaft, a lifting rod is connected in, the support frame is provided with a lifting power part for driving the lifting rod to lift, the mud inlet pipe is communicated with the barrel body, and the water outlet pipe is communicated with the upper part of the tank body and is positioned below the centrifugal device.

By adopting the technical scheme, the sludge is fed into the centrifugal barrel, and the centrifugal driving mechanism drives the rotating shaft to drive the centrifugal barrel to rotate so as to centrifuge the sludge; the water separated from the sludge flows downwards into the tank body, and is discharged after sedimentation treatment, so that the utility model can reduce the impurities in the discharged water body, and has relatively better use effect; subsequently, the bucket bottom plate can be driven to be separated from the lower opening of the bucket body through the lifting power part, the sludge receiving device is arranged below the bucket body, and then the sludge is discharged from a gap between the bucket body and the bucket bottom plate.

The present invention may be further configured in a preferred embodiment as: the centrifugal driving mechanism comprises a motor, a driving belt pulley fixed on an output shaft of the motor, a driven belt pulley and a transmission belt matched with the driving belt pulley, the motor is installed on the support frame, the driven belt pulley is sleeved on the outer wall of the rotating shaft and fixed, and the driving belt pulley and the driven belt pulley are sleeved during the transmission belt.

Through adopting above-mentioned technical scheme, the motor drives the drive pulley and rotates, and the drive pulley passes through the conveyer belt and drives the driven pulley rotation, and the driven pulley drives the pivot rotation of coaxial fixed with it after rotating to the realization drives the centrifugation bucket and rotates.

The present invention may be further configured in a preferred embodiment as: the lifting power part comprises an electric cylinder, and the cylinder body of the electric cylinder is rotatably connected to the support frame and the telescopic rod end of the electric cylinder is coaxially fixed at the upper end of the lifting rod.

Through adopting the technical scheme, the utility model discloses an electric jar drives the lifter and goes up and down to the lift volume of lifter is adjustable, and the staving under shed's of opening degree of bucket bottom plate is adjustable promptly, thereby the result of use is better.

The present invention may be further configured in a preferred embodiment as: the inner cavity lower shed border of staving turns over and extends towards center pin one side of staving and is formed with static shrouding, encircles the outer edge of bucket bottom plate is formed with the initiative shrouding, the initiative shrouding is located static shrouding one side down, the initiative shrouding is fixed with the elastic sealing pad of adaptation towards one side of static shrouding.

Through adopting above-mentioned technical scheme, when the lower shed of the closed staving of bucket bottom plate, initiative shrouding and static shrouding superpose and both centre gripping extrusion elastic sealing pad to connection between them is more inseparable.

The present invention may be further configured in a preferred embodiment as: the upper portion of cell body is provided with belt conveyor, belt conveyor's feed end is located the below of bucket bottom plate.

Through adopting above-mentioned technical scheme, can utilize belt conveyor to receive from the discharged mud of barrel head, send out mud through it to make things convenient for the staff to use.

The present invention may be further configured in a preferred embodiment as: the middle part of the upward side of the bucket bottom plate is upwards convex.

Through adopting above-mentioned technical scheme, the bucket bottom plate is high in the middle of one side up, and the avris is low to the mud that falls on the bucket bottom plate is discharged more easily relatively.

The present invention may be further configured in a preferred embodiment as: and a limiting plate for blocking the water body is arranged on the outer wall surrounding the barrel body and fixed on the supporting frame.

Through adopting above-mentioned technical scheme, can utilize the restriction board to block the water splash of centrifugation play, conveniently collect the water of centrifugation play.

The present invention may be further configured in a preferred embodiment as: the lower edge of limiting plate is buckled and the butt towards the staving, be formed with middle cavity between the outer wall of limiting plate and staving, middle cavity intercommunication has the aqueduct, the one end that the limiting plate was kept away from to the aqueduct communicates in the cell body lower part, the cell body encircles the upper shed and is provided with the weir plate, the lower part of weir plate is buckled towards the inner wall of cell body and is extended and fixed, the upper portion of weir plate is the rack form, form out the water cavity between the inner wall of weir plate and cell body, the outlet pipe communicates in a water cavity.

By adopting the technical scheme, water in the pool body flows into the water outlet cavity in an overflow mode and is discharged through the water outlet pipe; because the water body that the centrifugation goes out gets into middle cavity earlier, and the rethread aqueduct is sent into the cell body lower part, so can guarantee that the rainwater of discharging all is the water through certain sedimentation treatment to effectively reduce the impurity in the water.

To sum up, the utility model discloses a following at least one useful technological effect: centrifugal device sets up in the cell body top, and mud is behind centrifugal treatment, and the water flows into the cell body of below and is done the sedimentation treatment and handle the back, discharges with the mode of overflow again, thereby the utility model discloses can reduce the impurity in the discharged water body, the result of use is better relatively.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the present invention in a partially vertical cross section.

Fig. 3 is a schematic view of the local explosion of the local structure of the present invention, which is mainly used to show the overall structure of the centrifugal barrel.

Fig. 4 is a schematic view of the local explosion of the centrifugal barrel of the present invention.

Fig. 5 is an enlarged view of a portion a of fig. 2, which is mainly used for showing the structure of the middle chamber.

Fig. 6 is a schematic structural view of the tank body of the present invention.

In the figure, 1, a pool body; 11. a mud inlet pipe; 12. a water outlet pipe; 13. a blow-off pipe; 14. a valve; 2. a support frame; 21. a confinement ring; 22. a positioning ring; 3. a centrifuge bucket; 31. a barrel body; 311. a static closing plate; 32. a tub bottom plate; 321. an active closing plate; 322. an elastic sealing gasket; 33. a rotating shaft; 331. a square slot; 34. a connecting rod; 35. a lifting rod; 4. a centrifugal drive mechanism; 41. a motor; 42. a drive pulley; 43. a driven pulley; 44. a drive belt; 5. a lifting power member; 51. a middle bearing; 6. a limiting plate; 61. a middle cavity; 62. a water conduit; 8. a belt conveyor; 9. a weir plate; 91. a water outlet cavity.

Detailed Description

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

Referring to fig. 1, the sludge concentration device disclosed by the utility model comprises a tank body 1 and a centrifugal device, wherein the upper part of the tank body 1 is columnar, the lower part is funnel-shaped, and the inner cavity of the tank body is of an upper opening structure; the lower part of the tank body 1 is fixed with a bracket and is arranged on the ground through the bracket. A support frame 2 is arranged above the pool body 1, and the centrifugal device is arranged on the support frame 2; the centrifugal device is connected with a mud inlet pipe 11, and the tank body 1 is communicated with a water outlet pipe 12 (marked in figure 6).

When the device is used, the sludge enters the centrifugal device for centrifugal treatment, the sludge after the centrifugal treatment enters the next link (for example, a sludge dewatering machine is used for preparing sludge cakes), and the separated water body enters the tank body 1 for sedimentation and is discharged through the water outlet pipe 12 after sedimentation, so that the impurities in the discharged water body are reduced, and the using effect is relatively better.

The main body of the supporting frame 2 extends transversely, and two ends of the supporting frame are erected and fixed above the pool body 1 through a plurality of supporting legs at the bottom respectively; one end of the support frame 2 is also provided with a matched stair structure so that the workers can go up and down conveniently.

Referring to fig. 2 and 3, the centrifugal device includes a cylindrical centrifugal barrel 3, the centrifugal barrel 3 includes a barrel 31 with an inner cavity of an upper and lower opening structure and a barrel bottom plate 32 adapted to the lower opening structure, wherein the sidewall of the barrel 31 is hollow and is provided with a plurality of filtering holes along the thickness direction, and the sidewall of the barrel 31 is filled with a plurality of filter cloths to ensure the centrifugal separation effect while reducing the discharge of impurities. The mud inlet pipe 11 is fixed on the support frame 2 and the discharge end extends into the centrifugal barrel 3.

The limiting rings 21 are circumferentially fixed on the outer wall of the barrel body 31 in a surrounding manner, and the two limiting rings 21 are distributed along the height of the barrel body 31; a positioning ring 22 is sleeved on the outer wall of the barrel body 31 in a surrounding manner, and the positioning ring 22 is positioned between the two limiting rings 21; the positioning ring 22 is fixedly connected to the support frame 2 through a plurality of reinforcing ribs, and at this time, the barrel 31 is rotatably connected to the support frame 2.

Referring to fig. 4, a rotating shaft 33 is disposed along a central axis in the barrel 31, and the rotating shaft 33 upwardly passes through the supporting frame 2 and is rotatably connected to the supporting frame 2. A plurality of connecting rods 34 are fixed on the side wall of the rotating shaft 33, and one ends of the connecting rods 34 far away from the rotating shaft 33 are fixed on the inner wall of the barrel body 31.

The rotating shaft 33 is provided with a square slot 331 along the central axis direction, a matched lifting rod 35 is connected in the square slot 331 in a vertical sliding manner, the end of the lifting rod 35 extends out of the square slot 331 and the lower end thereof is fixed on the bottom plate 32. A centrifugal driving mechanism 4 for driving the rotating shaft 33 to rotate is arranged on the supporting frame 2, and a lifting power part 5 for driving the lifting rod 35 to lift is also arranged on the supporting frame.

When the sludge dewatering and concentrating device is used, the bottom plate 32 of the barrel keeps the inner bottom of the closed barrel body 31, at the moment, sludge is placed in the centrifugal barrel 3, the centrifugal driving mechanism 4 drives the centrifugal barrel 3 to rotate through the rotating shaft 33, and after the centrifugal barrel 3 rotates, water contained in the sludge is separated from the sludge under the action of centrifugal force and is discharged through the side wall of the barrel body 31, so that the purpose of sludge dewatering and concentrating is achieved.

When sludge needs to be discharged, a receiving container and the like can be placed below the centrifugal barrel 3, then the lifting power part 5 is controlled to drive the lifting rod 35 to move downwards so that the barrel bottom plate 32 is separated from the barrel body 31, and then the sludge is discharged from the open lower opening of the barrel body 31.

Referring to fig. 3 and 4, the centrifugal drive mechanism 4 includes a motor 41, a driving pulley 42 fixed to an output shaft of the motor 41, a driven pulley 43, and an adapted transmission belt 44. The upper end of the rotating shaft 33 extends out of the support frame 2, and the driven belt pulley 43 is coaxially fixed at the upper end of the rotating shaft 33; a frame is fixed on the upper part of the support frame 2, the frame covers the upper end of the rotating shaft 33, the motor 41 is fixed on the frame, the output shaft of the motor is coaxially fixed with a driving belt pulley 42, and the driving belt pulley 42 and a driven belt pulley 43 are positioned on the same plane; the driving belt 44 is simultaneously fitted over the driving pulley 42 and the driven pulley 43.

When the centrifugal machine is used, the motor 41 drives the driving belt pulley 42, the driving belt pulley 42 drives the driven belt pulley 43 through the transmission belt 44, and the driven belt pulley 43 drives the rotating shaft 33 to drive the centrifugal barrel 3 to rotate.

Referring to fig. 3, the lifting power member 5 includes an electric cylinder, an intermediate bearing 51 is sleeved and fixed on an outer wall of the electric cylinder, and an outer ring of the intermediate bearing 51 is embedded and fixed on the frame; the electric cylinder is positioned above the rotating shaft 33, is vertically telescopic, and the telescopic rod end of the electric cylinder is coaxially fixed at the upper end of the lifting rod 35.

When in use, the electric cylinder rotates along with the rotating shaft 33 because of the square slotted hole 331 and the adaptive lifting rod 35; it should be noted that the wire of the electric cylinder needs to be fixed in a vertical suspension manner to prevent the wire from being wound after the electric cylinder rotates, so that the use effect is not affected.

Referring to fig. 4, in order to improve the effect of the tub bottom 32 closing the lower opening of the tub 31, the lower opening edge of the tub 31 is folded and extended toward one side of the central axis of the tub 31 to form a stationary closing plate 311; at the same time, a positive closure plate 321 is formed around the outer edge of the tub bottom 32.

When the bucket bottom plate 32 closes the lower opening of the bucket body 31, the active sealing plate 321 is positioned on the downward side of the static sealing plate 311; on the side of the active closing plate 321 facing the stationary closing plate 311, a suitable elastic sealing gasket 322 is fixed, which elastic sealing gasket 322 may be made of rubber, by which the tightness of the connection may be enhanced.

Referring to fig. 1, in order to facilitate the discharge of the centrifuged sludge, a belt conveyor 8 is disposed above the tank body 1, a frame of the belt conveyor 8 is fixed at the upper portion of the tank body 1, a feed end thereof is located under a tank bottom plate 32 (shown in fig. 4), and a discharge end thereof extends out of the tank body 1.

After the bottom plate 32 is separated from the barrel 31, the sludge can be discharged from the gap between the bottom plate and the lower edge of the barrel 31, and the sludge falls on the conveying belt of the belt conveyor 8 and is discharged through the conveying belt.

In order to conveniently receive and convey the sludge, the feeding end of the belt conveyor 8 can be provided with an adaptive borrowing hopper; meanwhile, the transmission belt is set to be of a structure with a low middle part and a high side edge, for example: a V-groove belt conveyor from carvox belt sales limited.

The bottom plate 32 is also arranged to be convex upward in the middle of the upward side thereof to form a cone shape, so that sludge on the bottom plate can be conveniently discharged.

Referring to fig. 5, in order to prevent the water from scattering out of the pool body 1 during centrifugation, a limiting plate 6 for blocking the water is disposed around the outer wall of the bucket body 31, and the upper portion of the limiting plate 6 is fixed to the reinforcing rib so as to be fixed to the support frame 2.

The lower portion of the limiting plate 6 is close to the lower edge of the tub 31 and it extends toward and abuts the outer wall of the tub 31. A middle cavity 61 is formed between the limiting plate 6 and the side wall of the barrel body 31, the bottom of the middle cavity 61 is communicated with a water guide pipe 62, and one end of the water guide pipe 62, which is far away from the middle cavity 61, extends downwards and extends into the lower part of the tank body 1 so as to send the water body into the tank body 1 for sedimentation treatment.

Referring to fig. 6, a weir plate 9 is provided at an upper opening surrounded in the tank body 1, a lower portion of the weir plate 9 is bent, extended and fixed toward an inner wall of the tank body 1, and an upper portion of the weir plate 9 is in a rack shape. A water outlet cavity 91 is formed between the weir plate 9 and the inner wall of the tank body 1, and the water outlet pipe 12 penetrates through the side wall of the tank body 1 and is communicated with the water outlet cavity 91.

The water in the tank body 1 gradually overflows to the water outlet cavity 91 through the upper part of the weir plate 9 and is discharged through the water outlet pipe 12. At this time, the water guide pipe 62 extends into the lower part of the tank body 1, so that the interference on the water body sedimentation effect can be reduced, and the discharged water quality can be improved.

Referring to fig. 1, a sewage discharge pipe 13 is further installed at the bottom of the tank body 1, an adaptive valve 14 is installed on the sewage discharge pipe 13, and the sewage discharge pipe 13 can be used for discharging sludge in the tank body 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a sludge concentration device, includes cell body (1) and centrifugal device, cell body (1) is connected with into mud pipe (11) and outlet pipe (12), its characterized in that: the improved centrifugal separation tank is characterized in that a support frame (2) is fixed above the tank body (1), the centrifugal device is arranged on the support frame (2), the centrifugal device comprises a centrifugal barrel (3) and a centrifugal driving mechanism (4) used for driving the centrifugal barrel (3) to rotate, the centrifugal barrel (3) comprises a barrel body (31) with an upper opening and a lower opening and a barrel bottom plate (32) with an inner cavity matched with the inner cavity of the barrel body (31), the barrel body (31) is rotatably connected to the support frame (2) and provided with a rotating shaft (33) along a central shaft, the rotating shaft (33) is rotatably connected to the support frame (2) and the outer wall of the barrel body is fixedly provided with a plurality of connecting rods (34), one ends of the connecting rods (34) far away from the rotating shaft (33) are fixed on the inner wall of the barrel body (31), the rotating shaft (33) is provided with square slotted holes (331) along the central shaft, lifting rods (35) are connected in a sliding manner in the square slotted The centrifugal driving mechanism (4) drives the rotating shaft (33) to rotate, the supporting frame (2) is provided with a lifting power part (5) used for driving the lifting rod (35) to lift, the sludge inlet pipe (11) is communicated with the barrel body (31), and the water outlet pipe (12) is communicated with the upper part of the tank body (1) and is positioned below the centrifugal device.

2. The sludge thickening apparatus according to claim 1, wherein: centrifugal actuating mechanism (4) include motor (41), be fixed in drive pulley (42), driven pulley (43) and the driving belt (44) of adaptation of motor (41) output shaft, motor (41) are installed in support frame (2), the outer wall of pivot (33) is located and is fixed in driven pulley (43) cover, driving pulley (42) and driven pulley (43) are established to driving belt (44) cover simultaneously.

3. The sludge thickening apparatus according to claim 2, wherein: the lifting power part (5) comprises an electric cylinder, and the cylinder body of the electric cylinder is rotatably connected to the support frame (2) and the telescopic rod end of the electric cylinder is coaxially fixed at the upper end of the lifting rod (35).

4. The sludge thickening apparatus according to claim 3, wherein: the inner cavity lower shed border of staving (31) turns over towards the center pin one side of staving (31) and extends and is formed with static shrouding (311), encircles the outer edge of bucket bottom plate (32) is formed with initiative shrouding (321), initiative shrouding (321) are located static shrouding (311) one side down, one side that initiative shrouding (321) were towards static shrouding (311) is fixed with the elastic sealing pad (322) of adaptation.

5. The sludge thickening apparatus according to claim 3, wherein: the upper portion of cell body (1) is provided with belt conveyor (8), the feed end of belt conveyor (8) is located the below of bucket bottom plate (32).

6. The sludge thickening apparatus according to claim 5, wherein: the middle part of the upward side of the bucket bottom plate (32) is upwards convex.

7. The sludge thickening apparatus according to claim 3, wherein: and a limiting plate (6) used for blocking a water body is arranged on the outer wall surrounding the barrel body (31), and the limiting plate (6) is fixed on the support frame (2).

8. The sludge thickening apparatus according to claim 7, wherein: the lower edge of restriction board (6) is buckled and the butt towards staving (31), be formed with middle cavity (61) between the outer wall of restriction board (6) and staving (31), middle cavity (61) intercommunication has aqueduct (62), the one end that restriction board (6) were kept away from in aqueduct (62) communicates in cell body (1) lower part, cell body (1) encircle the upper shed and are provided with weir plate (9), the lower part of weir plate (9) is buckled towards the inner wall of cell body (1) and is extended and fixed, the upper portion of weir plate (9) is rack-shaped, form out water cavity (91) between the inner wall of weir plate (9) and cell body (1), outlet pipe (12) communicate in play water cavity (91).