CN218174798U

CN218174798U - Multistage thermal cycle's sludge dewatering mummification device

Info

Publication number: CN218174798U
Application number: CN202222853688.0U
Authority: CN
Inventors: 郝进伟; 曲毅; 丁宇; 曹惠翔; 杨宏旺; 刘雪; 徐慧荟; 王兆选
Original assignee: Econ Technology Co Ltd
Current assignee: Econ Technology Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2022-12-30
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a multistage thermal cycle sludge dewatering and drying device, which relates to the technical field of sludge dewatering and drying, and comprises a drying barrel, wherein the lower end of the drying barrel is fixedly connected with a supporting leg for supporting the drying barrel, the upper end of the drying barrel is provided with a crushing box, the crushing box is communicated with the inside of the drying barrel, the upper end of the crushing box is connected with an extrusion box, the extrusion box is communicated with the inside of the crushing box, one side of the upper end of the extrusion box is provided with a sludge through port communicated with the inside of the extrusion box, and one side of the lower end of the drying barrel is also provided with a sludge discharge port; the utility model discloses a crushing unit who sets up can smash the mud cake that the extrusion formed when using, smashes into tiny fragment with the mud cake, and then can effectual improvement mud the heating area, improved the mummification speed of mud for the mummification efficiency of equipment is higher.

Description

Multistage thermal cycle's sludge dewatering mummification device

Technical Field

The utility model relates to a sludge dewatering mummification technical field specifically is a multistage thermal cycle's sludge dewatering mummification device.

Background

Sludge dewatering is a sludge treatment method in which fluid primary, concentrated or digested sludge is dewatered and converted into semi-solid or solid sludge blocks. After dewatering, the water content of the sludge can be reduced to fifty-five percent to eighty percent, depending on the properties of the sludge and the sediments and the efficiency of the dewatering equipment. The further dehydration of the sludge is called sludge drying, and the moisture content of the dried sludge is less than ten percent. The dehydration method mainly comprises a natural drying method, a mechanical dehydration method and a granulation method. The natural drying method and the mechanical dehydration method are suitable for sewage sludge. The granulation method is suitable for coagulating sedimentation sludge.

The existing sewage dewatering and drying device generally adopts an extrusion method to dewater sewage, most of moisture in sludge can be removed by the extrusion method, but the drying effect can not be achieved only by the extrusion method, the existing drying mode needs to be dried after extrusion, but sludge after extrusion can form a mud cake, the sludge forming the mud cake is not beneficial to heating during drying, and therefore, the drying purpose can be achieved only by consuming a large amount of energy and time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistage thermal cycle's sludge dewatering mummification device to solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a multistage thermal cycle sludge dewatering and drying device comprises a drying barrel, wherein the lower end of the drying barrel is fixedly connected with a supporting leg for supporting the drying barrel, a crushing box is arranged at the upper end of the drying barrel and is communicated with the inside of the drying barrel, an extrusion box is connected to the upper end of the crushing box and is communicated with the inside of the crushing box, a sludge through port communicated with the inside of the extrusion box is formed in one side of the upper end of the extrusion box, and a sludge discharge port is formed in one side of the lower end of the drying barrel;

an extrusion assembly for extruding and dehydrating the sludge is arranged in the extrusion box;

a crushing assembly for crushing mud cakes formed by extrusion of the extrusion assembly is arranged in the crushing box;

and a drying component for drying the sludge is arranged in the drying barrel.

On the basis of the technical scheme, the utility model discloses still provide following optional technical scheme:

in one alternative: the extrusion subassembly includes the stripper plate, stripper plate sliding connection is inside the stripper box, be equipped with in the middle of the terminal surface that leads to the mud mouth was kept away from to the stripper box and be used for driving the stripper plate and carry out gliding pneumatic cylinder in the stripper box, one side fixedly connected with filter plate of pneumatic cylinder is kept away from to the stripper box, the one end that the pneumatic cylinder was kept away from to the stripper box is the fixedly connected with support steelframe still, the position that the stripper box is located the support steelframe below is equipped with the collecting hopper, the position that the stripper box is located leads to mud mouth below is equipped with and is used for the filter cake exhaust discharge subassembly that forms with the extrusion.

In one alternative: the discharging assembly comprises a turnover plate, the turnover plate is connected to a discharge port of the extrusion box below the mud through port in a rotating mode through hinges, one side, close to the hydraulic cylinder, of the lower end face of the extrusion box is connected with an electric cylinder in a rotating mode, a pushing seat is fixedly connected to the middle of the lower end face of the turnover plate, and the lower end face of the extrusion box is further provided with an electric cylinder used for pulling the turnover plate to overturn.

In one alternative: crushing unit includes crushing roller, crushing roller rotates to be connected in crushing bottom of the case portion, it still is equipped with and is used for driving crushing roller to carry out pivoted driving motor to smash the case lower extreme.

In one alternative: the drying component comprises a low-speed motor, the low-speed motor is installed at the lower end face of the drying barrel, the output end of the low-speed motor is provided with a center shaft, the upper end and the lower end of the center shaft are fixedly connected with forward conical discs, the middle position of the center shaft is also fixedly connected with reverse conical discs, a plurality of supporting frames are fixedly connected between middle holes of the reverse conical discs and the center shaft, and the lower ends of the two sides of the drying barrel are respectively provided with a hot air blower used for blowing hot air into the drying barrel.

In one alternative: the upper end surface of the drying barrel is also provided with a plurality of exhaust holes.

In one alternative: the upper end surfaces of the forward conical disc and the reverse conical disc are fixedly connected with a plurality of separation sheets.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a crushing unit who sets up can smash the mud cake that the extrusion formed when using, smashes into tiny fragment with the mud cake, and then can effectual improvement sludge's heated area, has improved the mummification speed of mud for the mummification efficiency of equipment is higher.

2. The utility model discloses an extrusion subassembly that sets up can carry out the one-level dehydration to mud, then carries out the second grade dehydration through the stoving subassembly, can realize the purpose to the sludge drying through twice dehydration, and this device still has that an organic whole nature is strong simultaneously, advantages such as equipment area is little.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the discharge assembly of the present invention.

Fig. 3 is a schematic view of the internal structure of the middle extrusion box of the present invention.

Fig. 4 is a schematic structural view of the middle pulverizing assembly of the present invention.

Fig. 5 is the internal structure schematic diagram of the middle drying assembly of the present invention.

Wherein: 1. a drying barrel; 2. a hot air blower; 3. a sludge discharge port; 4. a low-speed motor; 5. a support leg; 6. a drive motor; 7. a crushing box; 8. extruding the box; 9. a hydraulic cylinder; 10. a mud inlet; 11. supporting the steel frame; 12. a liquid collecting hopper; 13. a turnover plate; 14. filtering the plate; 15. a pressing plate; 16. an electric cylinder; 17. a pushing seat; 18. a support frame; 19. a central shaft; 20. a forward conical disc; 21. a reverse conical disc; 22. and a crushing roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

In one embodiment, as shown in fig. 1, a multistage thermal cycle sludge dewatering and drying device comprises a drying barrel 1, an extrusion assembly, a crushing assembly and a drying assembly, wherein the lower end of the drying barrel 1 is fixedly connected with a supporting leg 5 for supporting the drying barrel 1, the upper end of the drying barrel 1 is provided with a crushing box 7, the crushing box 7 is communicated with the inside of the drying barrel 1, the upper end of the crushing box 7 is connected with an extrusion box 8, the extrusion box 8 is communicated with the inside of the crushing box 7, one side of the upper end of the extrusion box 8 is provided with a sludge through port 10 communicated with the inside of the extrusion box 8, and one side of the lower end of the drying barrel 1 is further provided with a sludge discharge port 3;

in this embodiment, at the during operation, let in extrusion case 8 with mud from leading to mud mouth 10 in, then extrude the mud that gets into in extrusion case 8 through extrusion subassembly, filter out partial moisture in the mud and form the mud cake, then open and discharge the subassembly and discharge mud to crushing incasement 7, then smash the mud cake that forms through crushing subassembly, the mummification to mud is realized under the effect of stoving subassembly in the mud entering drying barrel 1 after smashing.

In one embodiment, as shown in fig. 2 and 3, the squeezing assembly is arranged in the squeezing box 8 and used for squeezing and dewatering sludge, the squeezing assembly includes a squeezing plate 15, the squeezing plate 15 is slidably connected inside the squeezing box 8, a hydraulic cylinder 9 for driving the squeezing plate 15 to slide in the squeezing box 8 is arranged in the middle of one end face of the squeezing box 8, which is far away from the sludge through port 10, a filter plate 14 is fixedly connected to one side of the squeezing box 8, which is far away from the hydraulic cylinder 9, a supporting steel frame 11 is also fixedly connected to one end of the squeezing box 8, which is far away from the hydraulic cylinder 9, a liquid collecting hopper 12 is arranged at a position of the squeezing box 8, which is located below the supporting steel frame 11, and a discharging assembly for discharging a filter cake formed by squeezing is arranged at a position of the squeezing box 8, which is located below the sludge through port 10.

When the sludge crushing device works, the hydraulic cylinder 9 pushes the extrusion plate 15 to move, the extrusion plate 15 extrudes the introduced sludge, water in the sludge is filtered out through the filter plate 14 and flows into the liquid collecting hopper 12, and the sludge inside the extrusion box 8 forms a sludge cake under the extrusion action of the extrusion plate 15 and is then discharged into the crushing box 7 through the discharge assembly.

The discharging assembly comprises a turnover plate 13, the turnover plate 13 is connected to a discharge port, below the mud through port 10, of the extrusion box 8 in a hinge rotating mode, one side, close to the hydraulic cylinder 9, of the lower end face of the extrusion box 8 is connected with an electric cylinder 16 in a rotating mode, the lower end face of the turnover plate 13 is fixedly connected with a pushing seat 17 in the middle, and the lower end face of the extrusion box 8 is further provided with an electric cylinder 16 used for pulling the turnover plate 13 to turn over.

During operation, the electric cylinder 16 pulls the pushing seat 17 to enable the turnover plate 13 to turn over by taking the hinge as a center, so that the discharge port of the extrusion box 8 is opened, and extruded mud cakes are discharged.

In one embodiment, as shown in fig. 4, the crushing assembly is arranged in the crushing box 7 and is used for crushing mud cakes formed by extrusion of the extrusion assembly, the crushing assembly comprises a crushing roller 22, the crushing roller 22 is rotatably connected to the bottom of the crushing box 7, and the lower end of the crushing box 7 is also provided with a driving motor 6 used for driving the crushing roller 22 to rotate. In operation, the driving motor 6 drives the crushing roller 22 to rotate, and the crushing roller 22 rotates to crush the mud cakes.

In one embodiment, as shown in fig. 5, the drying assembly is arranged in the drying barrel 1 and is used for drying sludge, the crushing assembly comprises a crushing roller 22, the crushing roller 22 is rotatably connected to the bottom of the crushing box 7, and the lower end of the crushing box 7 is further provided with a driving motor 6 for driving the crushing roller 22 to rotate; the upper end surface of the drying barrel 1 is also provided with a plurality of exhaust holes; the upper end surfaces of the forward conical disk 20 and the reverse conical disk 21 are fixedly connected with a plurality of separating sheets.

When the drying machine works, the low-speed motor 4 drives the central shaft 19 to rotate, the central shaft 19 can drive the forward conical disc 20 and the reverse conical disc 21 to rotate correspondingly, soil entering from the crushing assembly falls along the forward conical disc 20, is dispersed and falls, then falls into the reverse conical disc 21 to be concentrated, falls onto the forward conical disc 20 at the bottom from the middle of the reverse conical disc 21, is dispersed again, and the soil is continuously heated in the process, so that drying is realized.

In conclusion: when the sludge crushing machine works, sludge is led into the squeezing box 8 from the sludge inlet 10, then the squeezing plate 15 is pushed to move through the hydraulic cylinder 9, the introduced sludge is squeezed by the squeezing plate 15, water in the sludge is filtered out through the filter plate 14 and flows into the liquid collecting hopper 12, and the sludge in the squeezing box 8 forms a mud cake under the squeezing action of the squeezing plate 15 and is discharged into the crushing box 7 through the discharge assembly. Simultaneously driving motor 6 drive crushing roller 22 rotates, crushing roller 22 rotates and can realize the crushing to the mud cake, the mud cake after smashing enters into drying bucket 1, then drive center pin 19 through low-speed motor 4 and rotate, center pin 19 rotates and can drive forward cone disc 20 and reverse cone disc 21 and carry out corresponding rotation, the earth that gets into from crushing unit falls the dispersion whereabouts along forward cone disc 20, then fall and concentrate in reverse cone disc 21, and fall on the forward cone disc 20 of bottom in the middle of the reverse cone disc 21, disperse again, earth lasts to be heated at this in-process, realize the mummification.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a multistage thermal cycle's sludge dewatering mummification device, includes drying barrel (1), drying barrel (1) lower extreme fixedly connected with is used for supporting landing leg (5) of drying barrel (1), its characterized in that: a crushing box (7) is arranged at the upper end of the drying barrel (1), the crushing box (7) is communicated with the inside of the drying barrel (1), an extrusion box (8) is connected to the upper end of the crushing box (7), the extrusion box (8) is communicated with the inside of the crushing box (7), a sludge through opening (10) communicated with the inside of the extrusion box (8) is formed in one side of the upper end of the extrusion box (8), and a sludge discharge opening (3) is formed in one side of the lower end of the drying barrel (1);

an extrusion assembly for extruding and dehydrating sludge is arranged in the extrusion box (8);

a crushing assembly for crushing mud cakes formed by extrusion of the extrusion assembly is arranged in the crushing box (7);

and a drying component for drying the sludge is arranged in the drying barrel (1).

2. The multistage thermal cycle sludge dewatering and drying device according to claim 1, wherein the squeezing assembly comprises a squeezing plate (15), the squeezing plate (15) is connected inside the squeezing box (8) in a sliding manner, a hydraulic cylinder (9) for driving the squeezing plate (15) to slide in the squeezing box (8) is arranged in the middle of one end face, away from the sludge through port (10), of the squeezing box (8), one side, away from the hydraulic cylinder (9), of the squeezing box (8) is fixedly connected with a filter plate (14), one end, away from the hydraulic cylinder (9), of the squeezing box (8) is also fixedly connected with a supporting steel frame (11), a liquid collecting hopper (12) is arranged at a position, below the supporting steel frame (11), of the squeezing box (8) is provided with a discharging assembly for discharging a filter cake formed by squeezing.

3. The sludge dewatering and drying device with the multi-stage thermal cycle as claimed in claim 2, wherein the discharging assembly comprises a turnover plate (13), the turnover plate (13) is connected to a discharge port below the sludge through port (10) of the extrusion box (8) in a rotating manner by adopting hinges, one side of the lower end face of the extrusion box (8) close to the hydraulic cylinder (9) is connected with an electric cylinder (16) in a rotating manner, a pushing seat (17) is fixedly connected to the middle of the lower end face of the turnover plate (13), and the lower end face of the extrusion box (8) is further provided with an electric cylinder (16) for pulling the turnover plate (13) to turn over.

4. The multistage thermal cycle sludge dewatering and drying device as claimed in claim 1, wherein the crushing assembly comprises a crushing roller (22), the crushing roller (22) is rotatably connected to the bottom of the crushing box (7), and a driving motor (6) for driving the crushing roller (22) to rotate is further arranged at the lower end of the crushing box (7).

5. The multistage thermal cycle sludge dewatering and drying device according to claim 1, wherein the drying assembly comprises a low-speed motor (4), the low-speed motor (4) is installed at a lower end face of the drying barrel (1), a central shaft (19) is installed at an output end of the low-speed motor (4), a forward conical disc (20) is fixedly connected to an upper end and a lower end of the central shaft (19), a reverse conical disc (21) is fixedly connected to a middle position of the central shaft (19), a plurality of support frames (18) are fixedly connected between a middle hole of the reverse conical disc (21) and the central shaft (19), and hot air heaters (2) for blowing hot air into the drying barrel (1) are arranged at lower ends of two sides of the drying barrel (1).

6. The multistage thermal cycle sludge dewatering and drying device as claimed in claim 1, wherein a plurality of exhaust holes are further formed in the upper end surface of the drying barrel (1).

7. The multistage thermal cycle sludge dewatering and drying device as claimed in claim 5, wherein the upper end surfaces of the forward conical disc (20) and the reverse conical disc (21) are fixedly connected with a plurality of separating sheets.