CN215756983U

CN215756983U - Integrated device for harmless treatment and resource utilization of municipal sludge

Info

Publication number: CN215756983U
Application number: CN202122347770.1U
Authority: CN
Inventors: 李香祖; 徐世强; 王君荣; 李梦华
Original assignee: Qingdao Lingjun Environmental Engineering Co ltd
Current assignee: Qingdao Lingjun Environmental Engineering Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-02-08
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses an integrated device for harmless treatment and resource utilization of municipal sludge, which comprises a dehydration chamber, wherein the side wall of the dehydration chamber is fixedly connected with a first fixed cylinder. Be equipped with servo motor in the first solid fixed cylinder, the servo motor output is connected with the carousel through the connecting piece, another lateral wall fixedly connected with first hydraulic cylinder of carousel, be equipped with first hydraulic pump in the first hydraulic cylinder, first hydraulic pump output is equipped with dewatering mechanism, fixedly connected with rotary drum on the first hydraulic cylinder, be connected with the apron through rotating the piece on the rotary drum. According to the utility model, by arranging the two extrusion plates, wet sludge is placed in the rotary drum, and then the first hydraulic rod and the second hydraulic rod drive the extrusion plates to extrude the sludge, so that sewage in the rotary drum flows out of the rotary drum along the drain hole, and preliminary dehydration of the sludge can be realized, and the efficiency of later sintering is improved.

Description

Integrated device for harmless treatment and resource utilization of municipal sludge

Technical Field

The utility model relates to the technical field of sludge treatment, in particular to an integrated device for harmless treatment and resource utilization of municipal sludge.

Background

The municipal sludge is solid waste generated in the process of treating municipal domestic sewage and industrial wastewater, is a frequent and inevitable product of a municipal sewage treatment plant, has high water content, is easy to rot, has strong odor, and contains toxic and harmful substances such as dioxin, parasitic ova, heavy metals and the like. According to statistics, as long as 2020 and 6 months, the amount of sludge generated in cities in China is 5000 million tons (calculated by the water content of 80 percent and no industrial sludge), and it is expected that 8909 million tons will be broken through in 2022, and as the amount of sludge is larger and larger, the sludge treatment faces many problems, so that the methods of landfill, incineration, land utilization and the like commonly used in sludge treatment are limited, how to solve a plurality of problems in the sludge resource utilization process is solved, and finding a proper sludge harmless treatment and resource utilization way is an urgent problem to be solved in the current environmental protection field, independent experiments and researches prove that after the sludge is dehydrated and then calcined and wrapped by a tunnel kiln at the temperature of more than 900 ℃, an intermediate material suitable for building materials can be obtained, the light aggregate obtained after ball milling can be used as a filler, and can be scientifically proportioned with graphite tailings, gold slag and the like to be subjected to double doping or triple doping, and after mixing, a light decorative plate, a baking-free and steam curing process is used for preparing the light decorative plate, Imitation stone, high-strength brick and other green building materials.

When the sludge is subjected to sintering drying treatment, the sludge often contains a large amount of moisture, wet sludge is not subjected to primary dehydration before sintering, and if the sludge is simply sintered by using a tunnel kiln, too much time and resources are consumed, so that the efficiency of sludge harmless treatment is too low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an integrated device for harmless treatment and resource utilization of municipal sludge.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an integrated device for harmless treatment and resource utilization of municipal sludge comprises a tunnel kiln, a crusher, a product machine and a dehydration device which enters the tunnel kiln, wherein the dehydration device comprises a dehydration chamber, the side wall of the dehydration chamber is fixedly connected with a first fixed cylinder, a servo motor is arranged in the first fixed cylinder, the output end of the servo motor is connected with a rotary table through a connecting piece, the other side wall of the rotary table is fixedly connected with a first hydraulic cylinder, a first hydraulic pump is arranged in the first hydraulic cylinder, the output end of the first hydraulic pump is provided with a dehydration mechanism, the first hydraulic cylinder is fixedly connected with a rotary drum, the rotary drum is connected with a cover plate through a rotating piece, the cover plate is fixedly connected with a handle, the inner wall of the rotary drum positioned at one side of the cover plate is slidably connected with a seal ring, the other end of the rotary drum is fixedly connected with a second hydraulic cylinder, and an extrusion mechanism is arranged in the second hydraulic cylinder, the last rotation of second hydraulic cylinder is connected with the solid fixed cylinder of second, the solid fixed cylinder of second and dehydration chamber lateral wall fixed connection are located the rotary drum bottom dehydration chamber inner wall fixedly connected with guiding gutter, are located the guiding gutter other end dehydration chamber inner wall fixedly connected with bilge pit.

Preferably, the connecting piece includes the output pivot with servo motor output end fixed connection, the output pivot other end and carousel bottom fixed connection.

Preferably, the dewatering mechanism comprises a first hydraulic rod fixedly connected with the output end of the hydraulic pump, the end of the first hydraulic rod is fixedly connected with a squeezing plate, and the squeezing plate is matched with the inner wall of the rotary drum.

Preferably, the rotating part comprises a fixed rotating shaft which is rotatably connected with the rotating drum, and the side wall of the fixed rotating shaft is fixedly connected with the cover plate.

Preferably, the squeezing mechanism comprises a second hydraulic pump arranged in a second hydraulic cylinder, a second hydraulic rod is arranged at the output end of the second hydraulic pump, and a squeezing plate is fixedly connected to the end part of the second hydraulic rod.

Preferably, the rotating drum positioned on one side of the seal ring is provided with a plurality of water drainage holes, and the inner wall of each water drainage hole is provided with a seal groove matched with the seal ring.

Compared with the prior art, the utility model has the beneficial effects that:

through two stripper plates that set up, through arranging moist mud in the rotary drum, later extrude mud through first hydraulic stem and second hydraulic stem drive stripper plate to make inside sewage of its follow wash port outflow rotary drum, alright realize carrying out preliminary dehydration to mud, be convenient for improve the efficiency of later stage sintering.

Drawings

FIG. 1 is a side view of an integrated municipal sludge innocent treatment and resource utilization apparatus according to the present invention;

FIG. 2 is a sectional view of the internal structure of a rotating drum in the integrated device for harmless treatment and resource utilization of municipal sludge according to the present invention;

FIG. 3 is a side view of a drum in the integrated apparatus for harmless treatment and resource utilization of municipal sludge according to the present invention;

fig. 4 is a flow chart of the operation of the dewatering device, tunnel kiln, crusher and product machine.

In the figure: the device comprises a dehydration chamber 1, a servo motor 2, a first fixed cylinder 3, an output rotating shaft 4, a rotating disc 5, a first hydraulic cylinder 6, a first hydraulic rod 7, a rotating cylinder 8, a sealing ring 9, a handle 10, a squeezing plate 11, a second hydraulic pump 12, a second hydraulic cylinder 13, a second fixed cylinder 14, a water guide groove 15, a sewage groove 16, a cover plate 17, a first hydraulic pump 18, a second hydraulic pump 19 and a fixed rotating shaft 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-3, an integrated device for harmless treatment and resource utilization of municipal sludge comprises a tunnel kiln, a crusher, a product machine and a dehydration device before entering the tunnel kiln, wherein the tunnel kiln is used for sintering the dehydrated sludge, the crusher is used for crushing the sintered sludge into ceramsite type lightweight aggregate, the product machine is the prior art, the aggregate is made into ceramic tiles, imitation stones, CP boards and foamed ceramics by using raw materials, the dehydration device comprises a dehydration chamber 1, the side wall of the dehydration chamber 1 is fixedly connected with a first fixed cylinder 3, a servo motor 2 is arranged in the first fixed cylinder 3, the output end of the servo motor 2 is connected with a turntable 5 through a connecting piece, further, the connecting piece comprises an output rotating shaft 4 fixedly connected with the output end of the servo motor 2, the other end of the output rotating shaft 4 is fixedly connected with the bottom of the turntable 5, through the connecting piece, the servo motor 2 drives the turntable 5 to rotate through the output rotating shaft 4, so as to drive the first hydraulic cylinder 6 fixedly connected with the turntable 5 to rotate, and then the rotary cylinder 8 can be driven to rotate, so that the sludge in the rotary cylinder 8 is uniformly distributed, and the high efficiency of primary sludge dewatering is ensured;

the first hydraulic cylinder 6 of another lateral wall fixedly connected with of carousel 5, be equipped with first hydraulic pump 18 in the first hydraulic cylinder 6, first hydraulic pump 18 output is equipped with dewatering mechanism, further, dewatering mechanism includes the first hydraulic stem 7 with hydraulic pump output end fixed connection, 7 end fixedly connected with stripper plate 11 of first hydraulic stem,

stripper plate

11 and 8 inner wall looks adaptations of rotary drum, through setting up two stripper plate 11, make the two extrude mud under the effect of first hydraulic stem 7 with second hydraulic stem 13, thereby make inside sewage of its inside flow rotary drum 8 along the wash port, alright realize carrying out preliminary dehydration to mud, be convenient for improve the efficiency of later stage sintering.

The first hydraulic cylinder 6 is fixedly connected with a rotary cylinder 8, the rotary cylinder 8 is connected with a cover plate 17 through a rotary part, furthermore, the rotary part comprises a fixed rotary shaft 20 which is rotatably connected with the rotary cylinder 8, the side wall of the fixed rotary shaft 20 is fixedly connected with the cover plate 17, and the cover plate 17 and a handle are arranged, so that sludge can be conveniently filled into the rotary cylinder 8, and the movement of workers is facilitated;

the cover plate 17 is fixedly connected with a handle 10, the inner wall of the rotary drum 8 positioned on one side of the cover plate 17 is connected with a sealing ring 9 in a sliding manner, furthermore, the rotary drum 8 positioned on one side of the sealing ring 9 is provided with a plurality of drainage holes, the inner wall of each drainage hole is provided with a sealing groove matched with the sealing ring 9, and the drainage holes are arranged, so that extruded sewage can be drained completely from the interior of the rotary drum 8 without residual sewage;

8 other end fixedly connected with second hydraulic cylinder 13 of rotary drum, be equipped with extrusion mechanism in the second hydraulic cylinder 13, furtherly, extrusion mechanism is including locating second hydraulic pump 12 in the second hydraulic cylinder 13, second hydraulic pump 12 output is equipped with second

hydraulic stem

19, 19 end fixedly connected with stripper plate 11 of second hydraulic stem, through setting up extrusion mechanism, make two stripper plate 11 can extrude mud under first hydraulic stem 7 and second hydraulic stem 13's effect respectively, thereby make inside sewage of its interior flow rotary drum 8 along the wash port inside, alright realize carrying out preliminary dehydration to mud, be convenient for improve the efficiency of later stage sintering.

The second hydraulic cylinder 13 is rotatably connected with a second fixed cylinder 14, the second fixed cylinder 14 is fixedly connected with the side wall of the dewatering chamber 1, the inner wall of the dewatering chamber 1 at the bottom of the rotary cylinder 8 is fixedly connected with a water guide groove 15, the inner wall of the dewatering chamber 1 at the other end of the water guide groove 15 is fixedly connected with a sewage groove 16, furthermore, by arranging the water guide groove 15 and the sewage groove 16, the discharged sewage can enter the sewage groove 16 through the water guide groove 15 after flowing out through the drain hole, and the collection and treatment of the sewage are facilitated.

Municipal sludge is treated and processed, and the specific process is as follows: and (2) treating the sludge, sintering in a tunnel kiln, crushing after sintering to obtain ceramsite type lightweight aggregate, and preparing the aggregate into ceramic tiles, imitation stones, CP boards and foamed ceramics by using raw materials.

When the utility model is used for preliminary dehydration of municipal sludge, firstly the cover plate 17 is opened, the sludge is filled into the rotary drum 8, then the servo motor 2 is started, so that the output rotary shaft 4 drives the rotary disc 5 to rotate, thereby driving the first hydraulic cylinder 6 fixedly connected with the rotary disc 5 to rotate, and then driving the rotary drum 8 to rotate, and then starting the first hydraulic pump 18 and the second hydraulic pump 12, so that the two parts respectively drive the two extrusion plates 11 to extrude the sludge through the first hydraulic rod 7 and the second hydraulic rod 19, after the sewage is squeezed out of the sludge, the sewage flows out of the rotary drum 8 along the drain hole, enters the water chute 15, enters the sewage tank 16 through the water chute 15, so that the sewage is collected, the cover plate 17 is opened, and the sludge which is primarily drained is taken out for sintering, so that the efficiency of sludge sintering can be greatly improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The integrated device for the harmless treatment and resource utilization of the municipal sludge is characterized by comprising a tunnel kiln, a crusher, a product machine and a dehydration device which enters the tunnel kiln, wherein the dehydration device comprises a dehydration chamber (1), a first fixed cylinder (3) is fixedly connected to the side wall of the dehydration chamber (1), a servo motor (2) is arranged in the first fixed cylinder (3), the output end of the servo motor (2) is connected with a rotary table (5) through a connecting piece, the other side wall of the rotary table (5) is fixedly connected with a first hydraulic cylinder (6), a first hydraulic pump (18) is arranged in the first hydraulic cylinder (6), the output end of the first hydraulic pump (18) is provided with a dehydration mechanism, the first hydraulic cylinder (6) is fixedly connected with a rotary cylinder (8), the rotary cylinder (8) is connected with a cover plate (17) through a rotary piece, and the cover plate (17) is fixedly connected with a handle (10), the device is characterized in that a sealing ring (9) is connected to the inner wall of the rotary drum (8) in a sliding mode and located on one side of the cover plate (17), a second hydraulic drum (13) is fixedly connected to the other end of the rotary drum (8), an extruding mechanism is arranged in the second hydraulic drum (13), a second fixing drum (14) is connected to the second hydraulic drum (13) in a rotating mode, the second fixing drum (14) is fixedly connected with the side wall of the dewatering chamber (1), a water guide groove (15) is fixedly connected to the inner wall of the dewatering chamber (1) and located on the bottom of the rotary drum (8), and a sewage groove (16) is fixedly connected to the inner wall of the dewatering chamber (1) and located on the other end of the water guide groove (15).

2. The integrated device for harmless treatment and resource utilization of municipal sludge according to claim 1, wherein the connecting piece comprises an output rotating shaft (4) fixedly connected with the output end of the servo motor (2), and the other end of the output rotating shaft (4) is fixedly connected with the bottom of the turntable (5).

3. The integrated device for harmless treatment and resource utilization of municipal sludge according to claim 1, wherein the dewatering mechanism comprises a first hydraulic rod (7) fixedly connected with the output end of the hydraulic pump, the end of the first hydraulic rod (7) is fixedly connected with a squeezing plate (11), and the squeezing plate (11) is matched with the inner wall of the rotary drum (8).

4. The integrated device for the harmless treatment and resource utilization of municipal sludge according to claim 1, wherein the rotating member comprises a fixed rotating shaft (20) rotatably connected with the rotating drum (8), and the side wall of the fixed rotating shaft (20) is fixedly connected with the cover plate (17).

5. The integrated device for harmless treatment and resource utilization of municipal sludge according to claim 1, wherein the extrusion mechanism comprises a second hydraulic pump (12) arranged in a second hydraulic cylinder (13), a second hydraulic rod (19) is arranged at the output end of the second hydraulic pump (12), and an extrusion plate (11) is fixedly connected to the end of the second hydraulic rod (19).

6. The integrated device for harmless treatment and resource utilization of municipal sludge according to claim 1, wherein the rotating drum (8) on one side of the seal ring (9) is provided with a plurality of drainage holes, and the inner wall of each drainage hole is provided with a seal groove adapted to the seal ring (9).