CN213977392U

CN213977392U - Sludge dewatering device

Info

Publication number: CN213977392U
Application number: CN202022457335.XU
Authority: CN
Inventors: 吕金颖; 范升东; 方向东; 吕金超; 王俊; 郭顺贵; 徐宏广; 吕进; 徐向通; 蒋金祥; 黄建福
Original assignee: Zhejiang Jinwo Environmental Protection Technology Co ltd; ZHEJIANG JINGUO BOILER CO Ltd
Current assignee: Zhejiang Jinwo Environmental Protection Technology Co ltd; ZHEJIANG JINGUO BOILER CO Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-08-17
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a sludge dewatering device, which comprises a dewatering machine main body with a feeding bin and a discharging bin, and a transmission mechanism; wherein, the hydroextractor main part embeds has a plurality of fixed block and a plurality of wedge piece, is provided with the space between two arbitrary fixed blocks, and the mud after the flocculation can be filtered in this space, still can cooperate with the wedge piece, and every wedge piece runs through the space between the fixed block from the fixed block below, and every wedge piece all can drive the mud after the flocculation that is located the fixed block top and stir to a feed bin direction under drive mechanism's drive to realize mud drainage and drive the function that mud removed.

Description

Sludge dewatering device

Technical Field

The utility model relates to a dewatering device especially relates to a sludge dewatering device.

Background

The existing sludge dewatering device usually comprises a feeding bin, a transmission mechanism, an upper and lower extrusion mechanism, a discharging bin, a tensioning mechanism, a sewage adjusting bin and the like. Before sludge is dewatered, a flocculating agent is required to be added into the sludge to enable particles in the sludge to be aggregated to form cotton-shaped solid, so that the water content in the sludge is reduced, and then the cotton-shaped solid enters an extrusion dewatering stage under the conveying of a transmission mechanism. In the sludge squeezing and dewatering stage, filter devices such as dewatering filter belts and plate-and-frame filtration are commonly used for filtering water, but the dewatering filter belts or the plate-and-frame filtration need to be replaced intermittently at high frequency, so that the working speed of the filter devices is reduced. In view of the above problems, the conventional sludge dehydrating apparatus lacks a sewage dehydrating apparatus that can integrate a filtering function and a moving function of sludge, and thus needs to be improved.

SUMMERY OF THE UTILITY MODEL

The above-mentioned problem to prior art exists, the utility model aims at providing a sludge dewatering device, this sludge dewatering device both can filter mud and can drive the mud removal again.

The purpose of the utility model is realized through the following technical scheme:

a sludge dewatering device comprises a dewatering machine main body with a feeding bin and a discharging bin, and a transmission mechanism; wherein the dewaterer main part embeds there are a plurality of fixed block and a plurality of wedge piece, arbitrary two be provided with the space between the fixed block, the mud after the flocculation can be filtered in the space, still can cooperate with the wedge piece, every the wedge piece runs through the space between the fixed block from the fixed block below, every the wedge piece all can drive the mud after the flocculation that is located the fixed block top and stir to a feed bin direction under drive mechanism's drive.

Furthermore, the transmission mechanism is arranged on one side of the dehydrator main body and comprises a plurality of chain wheels, a plurality of chain wheel shafts, a secondary chain, two gears, two gear shafts and a driving piece;

furthermore, the chain wheel shafts are horizontally and linearly arranged, one end of each chain wheel shaft is rotatably connected with one side of the dehydrator main body, the other end of each chain wheel shaft is fixedly connected with one chain wheel, and the rest middle part is provided with a plurality of wedge-shaped pieces; two ends of the auxiliary chain are respectively sleeved on the two gears, the plurality of chain wheels are meshed with the auxiliary chain, and the auxiliary chain rotates along with the gear shaft after the gear shaft is driven to rotate by the driving piece; the two gear shafts are both positioned at the axes of the gears, and one end of each gear shaft is rotatably connected with the dehydrator main body; one of the gears is driven by the driving piece to rotate, and then power is transmitted through the auxiliary chain; the driving piece is fixedly connected with the dehydrator main body.

Furthermore, the axis surface formed by the plurality of chain wheel shafts is parallel to the upper end surface formed by the plurality of fixing blocks, and each chain wheel shaft is perpendicular to the plurality of fixing blocks and is positioned below the plurality of fixing blocks.

Furthermore, the dehydrator main body also comprises a plurality of tensioning mechanisms arranged on one side of the dehydrator main body, and each tensioning mechanism comprises a plurality of adjusting plates, a plurality of adjusting holes, a plurality of tensioning wheel shafts and a plurality of tensioning wheels; each adjusting plate is provided with two rows of a plurality of adjusting holes, and the adjusting plates are detachably connected with the dehydrator main body through the adjusting holes and used for adjusting the position of the tensioning wheel, so that the loosening degree of the chain is adjusted and the problem of tooth clamping in the operation process is avoided; one end of each tensioning wheel shaft is arranged on one adjusting plate, and the other end of each tensioning wheel shaft corresponds to a tensioning wheel capable of rotating around the shaft center or a tensioning wheel fixedly connected with the shaft center, so that the tensioning wheel shafts or the tensioning wheels can rotate, and the tensioning wheels are meshed with the secondary chain.

Furthermore, the dehydrator main body also comprises an upper extruding mechanism and a lower extruding mechanism which are externally arranged on the dehydrator main body, wherein the upper extruding mechanism and the lower extruding mechanism comprise an extruding plate and a cylinder; one end of the air cylinder is fixed on one side of the dehydrator main body close to the discharging bin, and the other end of the air cylinder is movably connected with the extrusion plate; one end of the extrusion plate close to the feeding bin is hinged with the dehydrator body, and the other end of the extrusion plate moves up and down along with the operation of the air cylinder.

Further, still be provided with the sewage surge bin in hydroextractor main part below, the water that the space between a plurality of fixed blocks above that the sewage surge bin can be received drops.

Further, the long axis angles of the wedge-shaped pieces on the adjacent chain wheel shafts on the transmission mechanism are different by 90 degrees.

The utility model provides a sludge dewatering device passes through the drainage of the mud after the space realization flocculation between the fixed block to stir the mud through the rotatable wedge piece that the axis differs 90 degrees and remove, dewater mud through upper and lower extrusion mechanism at last. In the process that the transmission mechanism drives the wedge-shaped piece to rotate, the tension wheel can regulate and control the tightness of the auxiliary chain, so that the tooth clamping in the operation process of the sludge dewatering device is avoided.

Drawings

FIG. 1 is a schematic view of a sludge dewatering device of the present invention;

FIG. 2 is a partial exploded view of FIG. 1;

FIG. 3 is an enlarged partial view of the lower right hand corner of FIG. 2;

FIG. 4 is a partial enlarged view of A in FIG. 3

Fig. 5 is a schematic view of the tensioning mechanism of fig. 2.

Reference numerals: 1. a main body of the dehydrator; 11. a feeding bin; 12. a discharging bin; 2. a transmission mechanism; 22. a drive member; 23. a gear shaft; 24. a gear; 25. a secondary chain; 26. a sprocket shaft; 27. a sprocket; 3. a tensioning mechanism; 31. an adjusting plate; 32. an adjustment hole; 33. a tension pulley shaft; 34. a tension wheel; 4. an up-down extrusion mechanism; 41. a pressing plate; 42. a cylinder; 5. a sewage conditioning bin; 6. the fixation is fast; 7. a wedge-shaped piece.

Detailed Description

The following describes embodiments of the sludge dehydrating apparatus in further detail with reference to the drawings.

As shown in fig. 1 to 5, a sludge dewatering device comprises a dewatering machine body 1 with a feeding bin 11 and a discharging bin 12, and a transmission mechanism 2. The dehydrator main body 1 is internally provided with a plurality of fixing blocks 6 and a plurality of wedge-shaped pieces 7. Each wedge-shaped piece is arranged in an oval shape.

Gaps are arranged between any two fixed blocks 6, and each gap can filter flocculated sludge from the feeding bin 11 and can be matched with the wedge-shaped sheets 7;

each wedge-shaped piece 7 penetrates through a gap between the fixing blocks from the lower part of the fixing block 6; one side of each wedge-shaped piece 7 is positioned above the fixed block 6, and the other side of each wedge-shaped piece 7 is driven to be positioned below the fixed block 6.

Each wedge-shaped piece 7 can drive the flocculated sludge above the fixed block 6 to be shifted towards the discharge bin 12 under the driving of the transmission mechanism 2.

During specific work, the flocculated sludge enters the dehydrator main body 1 through the feeding bin 11 and falls onto the fixing block 6. At this time, part of the moisture in the sludge on the fixed block 6 drops downward through the gap. In addition, the driving mechanism drives the plurality of wedge-shaped pieces 7 to rotate at the same time, so that the sludge on the fixed block is stirred towards the discharging bin 12. The device can filter the sludge and drive the sludge to move.

In this embodiment, the transmission mechanism 2 is disposed on one side of the dehydrator main body 1, and the transmission mechanism 2 includes a plurality of sprockets 27, a plurality of sprocket shafts 26, a secondary chain 25, two gears 24, two gear shafts 23, and a driving member 22; the chain wheel shafts 26 are horizontally and linearly arranged, one end of each chain wheel shaft 26 is rotatably connected with one side of the dehydrator main body 1, the other end of each chain wheel shaft 26 is fixedly connected with one chain wheel 27, and the rest middle part of each chain wheel shaft is provided with a plurality of wedge-shaped pieces 7. In the present embodiment, the center portion of each sprocket shaft 26 is defined as: the chain wheel shaft is the middle part except the part rotationally connected with the dehydrator main body 1 and the part fixedly connected with the chain wheel 27. Two ends of the auxiliary chain 25 are respectively sleeved on the two gears 24, and the plurality of chain wheels 27 are meshed with the auxiliary chain 25; the two gear shafts 23 are positioned at the axes of the gears 24, and one end of each gear shaft 23 is rotatably connected with the dehydrator main body 1; one of the gears 24 is rotated by the driving member 22, and thus the plurality of sprockets 27 are simultaneously rotated by the secondary chain 25, and then the plurality of wedges are rotated.

The driving member 22 is a power source of the whole sludge dewatering device, and is fixedly connected with the dewatering machine main body 1, and specifically can be a motor.

The axis plane formed by the plurality of chain wheel shafts 26 is parallel to the upper end plane formed by the plurality of fixing blocks 6, and each chain wheel shaft 26 is perpendicular to the plurality of fixing blocks 6 and is positioned below the plurality of fixing blocks 6.

By specifically limiting the position of the chain wheel shaft 26, the chain wheel shaft 26 is not above the fixing block 6 to block sludge transmission, and therefore the sludge moving efficiency is improved.

The dehydrator main body 1 further comprises a plurality of tensioning mechanisms 3 arranged on one side of the dehydrator main body, and each tensioning mechanism 3 comprises a plurality of adjusting plates 31, a plurality of adjusting holes 32, a plurality of tensioning wheel shafts 33 and a plurality of tensioning wheels 34; each adjusting plate 31 is provided with two rows of a plurality of adjusting holes 32, the adjusting plates 31 are detachably connected with the dehydrator main body 1 through the adjusting holes 32 to adjust the position of a tension pulley 34, so that the looseness of the auxiliary chains is adjusted to avoid the problem of tooth clamping in the operation of the device;

one end of each tension wheel shaft 33 is inserted on one adjusting plate 31, and the other end is correspondingly provided with a tension wheel 34 capable of rotating around the shaft center or a tension wheel 34 fixedly connected with the shaft center, so that the tension wheel shaft 33 or the tension wheel 34 can rotate, and a plurality of tension wheels 34 are meshed with the auxiliary chain 25.

The dehydrator main body 1 further comprises an upper extruding mechanism 4 and a lower extruding mechanism 4 which are arranged on the dehydrator main body, wherein the upper extruding mechanism 4 and the lower extruding mechanism 4 comprise an extruding plate 41 and a cylinder 42; one end of the air cylinder 42 is fixed on one side of the dehydrator main body 1 close to the discharging bin 12, and the other end is movably connected with the extrusion plate 41; one end of the extrusion plate 41 close to the feeding bin 11 is hinged with the dehydrator body 1, and the other end moves up and down along with the operation of the air cylinder 42. When the sludge on the fixed block 6 is shifted to one end of the discharging bin 12 by the wedge-shaped sheet 7, the free end of the air cylinder 42 drives the extrusion plate 41 to move towards the fixed block 6, so that the sludge on the fixed block 6 is extruded and dewatered by the extrusion plate 41 of the upper and lower extrusion mechanisms 4. At this time, the filtered water drops downward through the gap.

Still be provided with sewage surge bin 5 below hydroextractor main part 1, sewage surge bin 5 can receive the water that drops from the space between a plurality of fixed blocks 6 above it. Further, the opening area of the upper end of the sewage adjusting bin 5 is larger than the area of the bottom.

The long shaft angles of the wedge-shaped pieces 7 on the adjacent chain wheel shafts 26 on the transmission mechanism 2 are different by 90 degrees, so that the wedge-shaped pieces on the adjacent chain wheel shafts 26 are prevented from rotating due to the rotation of the chain wheel shafts, and the normal work of the chain wheel shafts is influenced by mutual resistance. Specifically, the following are mentioned: the wedge-shaped sheet 7 is oval, and one end of the wedge-shaped sheet can penetrate through the gap above the fixed block as far as possible, so that sludge can be stirred better. This is a characteristic that is not possessed by other shapes such as a circle and a direction. Further, by making the angle of the long axes of the wedges 7 on the adjacent sprocket shafts 26 different by 90 degrees, the adjacent two wedges 7 can be arranged more closely. So that the sludge of the fixed block can be alternately stirred towards the discharging bin under the action of the wedge-shaped sheets 7.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A sludge dewatering device comprises a dewatering machine main body (1) with a feeding bin (11) and a discharging bin (12), and a transmission mechanism (2); the method is characterized in that:

a plurality of fixing blocks (6) and a plurality of wedge-shaped sheets (7) are arranged in the dehydrator main body (1), a gap is arranged between any two fixing blocks (6), and the gap can filter flocculated sludge and can be matched with the wedge-shaped sheets (7);

each wedge-shaped piece (7) penetrates through a gap between the fixing blocks from the lower part of the fixing block (6);

each wedge-shaped piece (7) can drive the flocculated sludge above the fixed block (6) to be stirred towards the discharge bin (12) under the driving of the transmission mechanism (2).

2. The sludge dewatering apparatus according to claim 1, wherein: the transmission mechanism (2) is arranged on one side of the dehydrator main body (1), and the transmission mechanism (2) comprises a plurality of chain wheels (27), a plurality of chain wheel shafts (26), a secondary chain (25), two gears (24), two gear shafts (23) and a driving piece (22);

the chain wheel shafts (26) are horizontally and linearly arranged, one end of each chain wheel shaft (26) is rotatably connected with one side of the dehydrator main body (1), the other end of each chain wheel shaft is fixedly connected with a chain wheel (27), and the rest middle part is provided with a plurality of wedge-shaped pieces (7);

two ends of the auxiliary chain (25) are respectively sleeved on the two gears (24), and the plurality of chain wheels (27) are meshed with the auxiliary chain (25);

the two gear shafts (23) are both positioned at the axle center of the gear (24), and one end of each gear shaft (23) is rotatably connected with the dehydrator main body (1);

one gear (24) of the gears (24) is driven by the driving piece (22) to rotate, and then power is transmitted through the auxiliary chain (25);

the driving piece (22) is fixedly connected with the dehydrator main body (1).

3. The sludge dewatering apparatus according to claim 2, wherein: the axis plane that a plurality of sprocket shafts (26) formed is parallel with the up end that a plurality of fixed block (6) formed, and every sprocket shaft (26) all is perpendicular to a plurality of fixed block (6) and is located the below of a plurality of fixed block (6).

4. The sludge dewatering apparatus according to claim 2, wherein: the dehydrator main body (1) further comprises a plurality of tensioning mechanisms (3) arranged on one side of the dehydrator main body, and each tensioning mechanism (3) comprises a plurality of adjusting plates (31), a plurality of adjusting holes (32), a plurality of tensioning wheel shafts (33) and a plurality of tensioning wheels (34);

each adjusting plate (31) is provided with two rows of a plurality of adjusting holes (32), and the adjusting plates (31) are detachably connected with the dehydrator main body (1) through the adjusting holes (32) and used for adjusting the position of the tensioning wheel (34);

one end of each tensioning wheel shaft (33) is arranged on one adjusting plate (31), and the other end of each tensioning wheel shaft corresponds to a tensioning wheel (34) capable of rotating around the shaft center or a tensioning wheel (34) fixedly connected with the shaft center, so that the tensioning wheel shafts (33) or the tensioning wheels (34) can rotate, and a plurality of tensioning wheels (34) are meshed with the auxiliary chain (25).

5. The sludge dewatering apparatus according to claim 1, wherein: the dehydrator main body (1) further comprises an upper extruding mechanism (4) and a lower extruding mechanism (4) which are arranged on the dehydrator main body, wherein the upper extruding mechanism (4) and the lower extruding mechanism (4) comprise an extruding plate (41) and a cylinder (42);

one end of the air cylinder (42) is fixed on one side of the dehydrator main body (1) close to the discharging bin (12), and the other end of the air cylinder is movably connected with the extrusion plate (41);

one end of the extrusion plate (41) close to the feeding bin (11) is hinged with the dehydrator main body (1), and the other end moves up and down along with the operation of the air cylinder (42).

6. The sludge dewatering apparatus according to claim 1, wherein: the dehydrator is characterized in that a sewage adjusting bin (5) is further arranged below the dehydrator main body (1), and the sewage adjusting bin (5) can receive water falling from gaps among a plurality of fixing blocks (6) above the sewage adjusting bin.

7. The sludge dewatering apparatus according to claim 2, wherein: the transmission mechanism

(2) The long axis angles of the wedge-shaped pieces (7) on the adjacent chain wheel shafts (26) are different by 90 degrees.