CN115838234A

CN115838234A - Dry-wet sludge mixing, homogenizing and dehydrating device

Info

Publication number: CN115838234A
Application number: CN202310161733.2A
Authority: CN
Inventors: 陈华; 孟辉
Original assignee: Guangdong Hecheng Environmental Engineering Co ltd
Current assignee: Guangdong Hecheng Environmental Engineering Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-03-24

Abstract

The invention discloses a dry and wet sludge mixing, homogenizing and dehydrating device, which belongs to the technical field of sludge treatment and comprises a rack, an outer barrel fixed with the rack and an inner barrel coaxially connected with the outer barrel, wherein the inner barrel is in running fit with the outer barrel and is driven to rotate by a rotary driving mechanism; the inboard center coaxial coupling of interior barrel has screw conveyor, and screw conveyor can follow the axial of interior barrel and carry mud from last to down, and screw conveyor's the outside is connected with agitating unit, and agitating unit is located the upside of barrel and is used for stirring wet mud. The device can effectively treat the dry and wet sludge mixed type sludge.

Description

Dry-wet sludge mixing, homogenizing and dehydrating device

Technical Field

The invention belongs to the technical field of sludge treatment, and particularly relates to a dry and wet sludge mixing, homogenizing and dehydrating device.

Background

At present, the principle of domestic and foreign sludge treatment and disposal is 'reduction, stabilization, harmlessness and resource', and how to efficiently treat and manage sludge becomes one of the key problems of worldwide attention. The existing equipment cannot simultaneously consider the characteristics of dry sludge and wet sludge, so that the dry-wet mixed sludge cannot be effectively crushed and then mixed, thereby influencing the subsequent smooth dehydration; for example, in some existing apparatuses, the wet sludge portion cannot be smoothly agitated, so that the apparatus is easily adhered to the wet sludge portion, and the dry sludge portion cannot be smoothly crushed, so that homogenization treatment is difficult, and a serious obstacle is brought to efficient treatment of the dry-wet sludge mixed type sludge.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a dry-wet sludge mixing, homogenizing and dewatering device which can effectively treat dry-wet sludge mixing type sludge.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention relates to a dry and wet sludge mixing, homogenizing and dehydrating device which comprises a rack, an outer barrel fixed with the rack and an inner barrel coaxially connected with the outer barrel, wherein the inner barrel is in running fit with the outer barrel and is driven to rotate by a rotary driving mechanism; the inboard center coaxial coupling of interior barrel has screw conveyor, screw conveyor can follow the axial of interior barrel and carry mud from last to down, screw conveyor's the outside is connected with agitating unit, the upside of barrel is used for stirring wet mud in the agitating unit is located.

Further, screw conveying mechanism include with the coaxial normal running fit's of interior barrel pivot, fix helical blade, the drive in the pivot outside the first motor of pivot pivoted, first motor passes through the support and is connected with the frame, agitating unit includes the ring dish, the outside equipartition of ring dish is provided with arc blade, the center of ring dish is provided with the trompil, the diameter of trompil is not less than helical blade's the biggest external diameter, branch fixed connection is passed through to the inboard of ring dish in the pivot.

Further, the downside equipartition of pivot is provided with a plurality of straight blades, the rotational frequency of straight blade corresponds with the grafting frequency of broken post, straight blade can cooperate with broken post and be used for carrying out the breakage to dry mud.

Further, the helical blade is in a sheet shape, the upper end of the helical blade is fixedly connected with the rotating shaft, and the lower end of the helical blade freely extends downwards by taking the rotating shaft as a center; the upper end of support is fixed with linear stepping motor, linear stepping motor's output is connected to first motor, linear stepping motor can drive first motor along the axial reciprocating displacement of pivot.

Further, the middle part of outer barrel is fixed and is provided with an annular plate, the inboard of annular plate seted up with interior barrel normal running fit's central through-hole, a plurality of filtration pores have been seted up on the surface of annular plate.

Furthermore, the outer side wall of the outer barrel body is fixedly provided with a first clamping block and a second clamping block, the first clamping block and the second clamping block are provided with semicircular holes on the surfaces of the corresponding sides, the semicircular holes on the first clamping block and the second clamping block are used for being matched with the crushing column, and the first clamping block and the second clamping block are correspondingly provided with clamping holes.

Further, the upper side of the outer cylinder is fixedly connected with a blowing plate, the lower end of the blowing plate is fixedly connected with the outer cylinder, the upper end of the blowing plate is fixedly connected with a ring plate, the inner side of the ring plate is in sliding fit with the first motor, a blowing hole facing the inner side of the outer cylinder is formed in the surface of the blowing plate, the blowing plates are simultaneously communicated to an annular blowing box, the blowing box is fixed on the surface of the outer side of the outer cylinder, and the blowing box is connected to a fan.

Further, the bottom of outer barrel is provided with the discharging pipe, the discharging pipe communicates with the inboard of outer barrel.

Further, the rotary driving mechanism comprises a transmission shaft and a second motor which are connected with the inner cylinder, the displacement driving mechanism comprises a vertical beam, a sliding frame, a guide pillar, a connecting rod, a sheave pin and a sheave, the upper end of the vertical beam is fixedly connected with the crushing column, the lower end of the vertical beam is fixedly connected to the sliding frame, the sliding frame is in sliding fit with the guide pillar and can slide along the radial direction of the inner cylinder, the sliding frame is hinged to one end of the connecting rod, the other end of the connecting rod is hinged to the sheave pin, one end of the sheave pin is matched with the sheave, the other end of the sheave pin is in transmission connection with the second motor, the sheave is coaxially connected with the transmission shaft, and the second motor is fixedly connected to the rack.

The invention has the beneficial effects that:

according to the dry and wet sludge mixing, homogenizing and dehydrating device, the spiral conveying mechanism is arranged, so that sludge can be conveyed from top to bottom along the axial direction of the inner cylinder, the dry sludge can be settled at the lower part of the outer cylinder under the action of the self gravity of the dry sludge through the stirring action of the conveying mechanism, and then the dry sludge is accumulated in the inner cylinder under the action of the baffle; through the radial reciprocating displacement of broken post along interior barrel in order to carry out the breakage to dry mud, carry out the breakage through this mechanism alone, can not receive wet sludge's viscous action, broken effect is better. In addition, the wet sludge is stirred by the stirring device, and the stirring effect of the wet sludge is not influenced by stirring the wet sludge by the stirring device alone.

In the device, by arranging the plug-in crushing column, the plug-in range is just equivalent to the diameter of the inner cylinder body, so that the crushing is complete, the interference with the spiral conveying mechanism can be avoided when the crushing cylinder is drawn out, the influence of wet sludge can be avoided, and the service life of the device can be ensured.

Additional advantages, objects, and features of the invention will be set forth in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

In order to make the purpose, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:

FIG. 1 is a first schematic structural diagram of the apparatus of the present invention;

FIG. 2 is a second schematic view of the apparatus of the present invention;

FIG. 3 is a top view of the apparatus of the present invention;

FIG. 4 is a schematic view of the construction of the helical blade of the present invention;

FIG. 5 is a schematic structural view of the inner cylinder;

fig. 6 is an enlarged view of fig. 1 at a.

The drawings are numbered as follows: the device comprises a rack 1, an outer cylinder 2, an inner cylinder 3, a through hole 4, a crushing column 5, a rotating shaft 6, a helical blade 7, a first motor 8, a support 9, a ring disc 10, an arc-shaped blade 11, an opening 12, a support rod 13, a straight blade 14, a linear stepping motor 15, an annular plate 16, a central through hole 17, a filtering hole 18, a first clamping block 19, a second clamping block 20, a semicircular hole 21, a clamping hole 22, a blowing plate 23, a ring plate 24, a blowing hole 25, a blowing box 26, a discharging pipe 27, a transmission shaft 28, a second motor 29, a vertical beam 30, a sliding frame 31, a guide column 32, a connecting rod 33, a grooved wheel 34 and a grooved wheel pin 35.

Detailed Description

As shown in fig. 1 to 6, the dry and wet sludge mixing, homogenizing and dewatering device of the present invention includes a frame 1, an outer cylinder 2 fixed to the frame 1, and an inner cylinder 3 coaxially connected to the outer cylinder 2, wherein the frame 1 is in a four-corner supporting type, the inner cylinder 3 and the outer cylinder 2 are coaxial and are axially and simultaneously located in a vertical direction, the inner cylinder 3 and the outer cylinder 2 are rotationally matched and can be driven to rotate by a rotational driving mechanism, and the rotational driving mechanism can be a motor or a swing cylinder driving the rotation of the motor.

Specifically, a plurality of through-holes 4 have been seted up along the circumference equipartition on the barrel surface of interior barrel 3, wear to be equipped with broken post 5 in the through-hole 4, broken post 5 and outer barrel 2 sealed cooperation, broken post 5 is connected to displacement actuating mechanism, and linear displacement motor or pneumatic cylinder can be selected to displacement actuating mechanism. The displacement driving mechanism can drive the crushing column 5 to reciprocate along the radial direction of the inner cylinder 3 so as to crush the dry sludge; the inboard center coaxial coupling of interior barrel 3 has screw conveyor, and screw conveyor can follow the axial of interior barrel 3 and carry mud from last to down, and screw conveyor's the outside is connected with agitating unit, and agitating unit is located the upside of barrel 3 and is used for stirring wet mud. According to the device, due to the fact that the humidity of the dry sludge is different from that of the wet sludge, the dry sludge can be naturally mixed with the wet sludge after being crushed, and the device plays a role in primary dehydration while being crushed.

In this embodiment, screw conveying mechanism includes pivot 6 with the coaxial normal running fit of interior barrel 3, fixes helical blade 7 in the pivot 6 outside, drive pivot 6 pivoted first motor 8, and first motor 8 drives pivot 6 and helical blade 7 simultaneously and rotates, thereby helical blade 7 can make mud carry along vertical the realization and turn owing to the structural action of self. First motor 8 passes through support 9 and is connected with frame 1, and agitating unit includes ring dish 10, and the outside equipartition of ring dish 10 is provided with arc blade 11, and the center of ring dish 10 is provided with trompil 12, and the diameter of trompil 12 is not less than helical blade 7's maximum external diameter, can not influence helical blade 7's effect, and branch 13 fixed connection is passed through to ring dish 10's inboard to pivot 6 plays fixed effect.

In this embodiment, the downside equipartition of pivot 6 is provided with a plurality of straight blades 14, and the rotational frequency of straight blade 14 corresponds with the grafting frequency of broken post 5, avoids producing rather than interfering, and straight blade 14 can cooperate with broken post 5 to be used for carrying out the breakage to dry mud, and crushing effect is better, simultaneously through setting up straight blade 14, also can stir the dry mud after the breakage, makes its better mix easily.

In the embodiment, the helical blade 7 is in a sheet shape, the upper end of the helical blade 7 is fixedly connected with the rotating shaft 6, and the lower end freely extends downwards by taking the rotating shaft 6 as a center; the upper end of support 9 is fixed with linear stepping motor 15, and linear stepping motor 15's output is connected to first motor 8, and linear stepping motor 15 can drive first motor 8 along the axial reciprocating displacement of pivot 6. When the linear stepping motor 15 drives the first motor 8 to reciprocate along the vertical direction, the rotating shaft 6 can drive the spiral blade 7 to move up and down, the spiral blade 7 is flaky made of spring steel, the lower end of the spiral blade 7 extends freely, so that the spiral blade can jump up and down along the rotating shaft 6 by taking the upper end as a fixed point, the effect of a pump is achieved, wet sludge can be continuously stirred, and compared with a traditional rotating stirring mode, the stirring device can also stir in the axial direction. The stirring effect is better.

In this embodiment, the fixed annular plate 16 that is provided with in middle part of outer barrel 2, the central through-hole 17 with interior barrel 3 normal running fit is seted up to the inboard of annular plate 16, and annular plate 16 has seted up a plurality of filtration pores 18 on the surface, through setting up annular plate 16 for in barrel 3 was transferred into to dry mud, outer barrel 2 was used for spacing whole, and interior barrel 3 then provides a broken space, and the effect of synergism is better.

In this embodiment, the fixed first tight piece 19 of clamp and the second tight piece 20 of clamp that is provided with on the lateral wall of outer barrel 2, it all is provided with semicircle orifice 21 on the corresponding side surface on tight piece 20 of first tight piece 19 of clamp and the second tight piece 20 of clamp, semicircle orifice 21 on the tight piece 20 of first tight piece 19 of clamp and the second is used for cooperating with broken post 5, it has seted up clamp orifice 22 to correspond on tight piece 19 of first tight piece 19 of clamp and the second tight piece 20 of clamp, tight piece 19 of first tight piece 19 of clamp and the second tight piece 20 of clamp adopt rubber materials to make, combine through setting up tight piece 19 of first tight piece and the second tight piece 20 of clamp, when the device is used, can clean the surface of broken post 5 through the effect of friction, the dry sludge who condenses on the broken post 5 has been avoided causing the destruction to the sealing washer on outer barrel 2, the life-span of device has been increased.

In this embodiment, the upside fixedly connected with of outer barrel 2 blows board 23, the lower extreme and the outer barrel 2 fixed connection of board 23 of blowing, upper end and a crown plate 24 fixed connection, the inboard and the first motor 8 sliding fit of crown plate 24, blow the hole of blowing 25 towards outside barrel 2 inboard is seted up on the surface of board 23 of blowing, a plurality of boards 23 of blowing communicate to annular case 26 of blowing simultaneously, the case 26 of blowing is fixed on the outside surface of outer barrel 2, the case 26 of blowing is connected to the fan, play the effect of dehydration, according to the time and the experience of dehydration, follow-up water content is roughly judged, can set up relevant bearing device certainly and detect. The bottom of outer barrel 2 is provided with discharging pipe 27, and discharging pipe 27 communicates with the inboard of outer barrel 2 for the discharge material.

In this embodiment, the rotation driving mechanism includes a transmission shaft 28 and a second motor 29 connected to the inner cylinder 3, the displacement driving mechanism includes a vertical beam 30, a sliding frame 31, a guide post 32, a connecting rod 33, a sheave pin 35 and a sheave 34, an upper end of the vertical beam 30 is fixedly connected to the crushing column 5, a lower end of the vertical beam 30 is fixedly connected to the sliding frame 31, the sliding frame 31 and the guide post 32 are slidably fitted and can slide along a radial direction of the inner cylinder 3, the sliding frame 31 is hinged to one end of the connecting rod 33, the other end of the connecting rod 33 is hinged to the sheave pin 35, one end of the sheave pin 35 is fitted to the sheave 34, the other end of the sheave pin 35 is drivingly connected to the second motor 29, the sheave 34 is coaxially connected to the transmission shaft 28, and the second motor 29 is fixedly connected to the rack 1.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. A dry and wet sludge mixing, homogenizing and dehydrating device is characterized by comprising a rack, an outer barrel fixed with the rack and an inner barrel coaxially connected with the outer barrel, wherein the inner barrel is in running fit with the outer barrel and is driven to rotate by a rotary driving mechanism; the inboard center coaxial coupling of interior barrel has screw conveyor, screw conveyor can follow the axial of interior barrel and carry mud from last to down, screw conveyor's the outside is connected with agitating unit, the upside that agitating unit is located the interior barrel is used for stirring wet mud.

2. The dry-wet sludge mixing, homogenizing and dewatering device according to claim 1, wherein the screw conveying mechanism includes a rotating shaft coaxially and rotatably engaged with the inner cylinder, a screw blade fixed outside the rotating shaft, and a first motor driving the rotating shaft to rotate, the first motor is connected to the frame through a bracket, the stirring device includes a ring plate, arc blades are uniformly arranged outside the ring plate, an opening is arranged in the center of the ring plate, the diameter of the opening is not smaller than the maximum outer diameter of the screw blade, and the inner side of the ring plate is fixedly connected to the rotating shaft through a support rod.

3. The device for mixing, homogenizing and dewatering dry and wet sludge according to claim 2, wherein a plurality of straight blades are uniformly distributed on the lower side of the rotating shaft, the rotating frequency of the straight blades corresponds to the inserting frequency of the crushing column, and the straight blades can be matched with the crushing column to crush the dry sludge.

4. The apparatus according to claim 3, wherein the helical blade is in the form of a thin plate, the upper end of the helical blade is fixedly connected to the rotating shaft, and the lower end of the helical blade freely extends downward around the rotating shaft; the upper end of support is fixed with linear stepping motor, linear stepping motor's output is connected to first motor, linear stepping motor can drive first motor along the axial reciprocating displacement of pivot.

5. The apparatus according to claim 1, wherein an annular plate is fixed to the middle of the outer cylinder, a central through hole is formed in the inner side of the annular plate, the central through hole is rotatably matched with the inner cylinder, and a plurality of filtering holes are formed in the surface of the annular plate.

6. The device for mixing, homogenizing and dewatering dry and wet sludge according to claim 1, wherein a first clamping block and a second clamping block are fixedly arranged on an outer side wall of the outer cylinder, semicircular holes are formed in corresponding side surfaces of the first clamping block and the second clamping block, the semicircular holes in the first clamping block and the second clamping block are used for being matched with crushing columns, and clamping holes are correspondingly formed in the first clamping block and the second clamping block.

7. The device for mixing, homogenizing and dewatering dry and wet sludge as claimed in claim 1, wherein a blowing plate is fixedly connected to the upper side of the outer cylinder, the lower end of the blowing plate is fixedly connected to the outer cylinder, the upper end of the blowing plate is fixedly connected to a ring plate, the inner side of the ring plate is slidably fitted to the first motor, a blowing hole facing the inner side of the outer cylinder is formed in the surface of the blowing plate, a plurality of the blowing plates are simultaneously communicated to an annular blowing box, the blowing box is fixed to the outer side surface of the outer cylinder, and the blowing box is connected to a fan.

8. The apparatus according to claim 1, wherein the bottom of the outer cylinder is provided with a discharge pipe, and the discharge pipe is communicated with the inner side of the outer cylinder.

9. The device as claimed in claim 2, wherein the rotary driving mechanism comprises a transmission shaft and a second motor connected to the inner cylinder, the displacement driving mechanism comprises a vertical beam, a sliding frame, a guide post, a connecting rod, a sheave pin and a sheave, the vertical beam is fixedly connected to the crushing post at its upper end, the vertical beam is fixedly connected to the sliding frame at its lower end, the sliding frame is slidably fitted to the guide post and can slide along the radial direction of the inner cylinder, the sliding frame is hinged to one end of the connecting rod, the connecting rod is hinged to the sheave pin at its other end, one end of the sheave pin is fitted to the sheave, the sheave pin is drivingly connected at its other end to the second motor, the sheave is coaxially connected to the transmission shaft, and the second motor is fixedly connected to the frame.