CN215403772U

CN215403772U - Sludge drying machine

Info

Publication number: CN215403772U
Application number: CN202121475753.XU
Authority: CN
Inventors: 洪贤; 魏鑫洪; 陈洪东; 杨波; 廖川
Original assignee: Xinminghe Chongqing Environmental Protection Technology Co ltd
Current assignee: Xinminghe Chongqing Environmental Protection Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-04
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a sludge drier which comprises a box body, a jaw crusher and a plurality of chain-type conveyor belts, wherein a discharge hole of the jaw crusher is communicated with a material guide pipe arranged in the box body, a material distribution sleeve is clamped at the discharge hole of the material guide pipe in a sliding manner, and the material distribution sleeve is arranged in a sliding manner along the width direction of the chain-type conveyor belts; a transmission part is connected between the material distribution sleeve and the jaw crusher, and the material distribution sleeve slides above the chain conveyor belt in a reciprocating manner along the width direction of the chain conveyor belt through the transmission part when the jaw crusher operates; compared with the prior art, the sludge discharged into the material guide pipe from the discharge port of the jaw crusher enters the material distribution sleeve, and the driving part drives the material distribution sleeve to slide back and forth above the chain type conveyor belt along the width direction of the chain type conveyor belt under the power of the jaw crusher for crushing the sludge, so that the sludge is uniformly paved on the chain type conveyor belt along the width direction of the chain type conveyor belt, and the drying effect of the sludge is improved.

Description

Sludge drying machine

Technical Field

The utility model relates to the technical field of sludge treatment equipment, in particular to a sludge drying machine.

Background

Sludge drying, also known as sludge dewatering, refers to a process of removing most of the water content from sludge by the action of percolation or evaporation, and generally refers to the use of self-evaporation facilities such as sludge drying beds (beds). After the sludge is concentrated, the water content of the sludge is further reduced by a physical method, so that the sludge is convenient to transport, accumulate, utilize or further treat. Dehydration (anhydration) includes two methods, natural evaporation and mechanical dehydration.

The existing sludge drying machine is used for drying sludge, the sludge is crushed by a jaw crusher and then guided into a chain conveyor belt in a drying box, heating steam at the bottom in the drying box flows from bottom to top, and a plurality of chain conveyor belts are arranged in the drying box in a staggered manner from top to bottom, so that the sludge is conveyed in the drying box from top to bottom in a serpentine coil shape as a path and is in countercurrent contact with the heating steam to perform drying.

When the jaw crusher crushes sludge and then discharges the sludge onto the chain conveyor belt in the sludge drying machine, the sludge can be piled on the central line at the top of the jaw crusher, and the drying efficiency of the sludge is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a sludge drying machine to solve the problem that in the prior art, when a jaw crusher crushes sludge and then discharges the crushed sludge onto a chain conveyor belt, the sludge is piled on a central line at the top of the jaw crusher, so that the drying efficiency of the sludge is reduced.

In order to achieve the purpose, the utility model adopts the following technical scheme: a sludge drier comprises a box body, a jaw crusher communicated with a feed inlet at the top of the box body and a plurality of chain type conveyor belts which are arranged in the box body in a staggered manner from top to bottom, wherein each chain type conveyor belt is arranged along the horizontal direction;

and a transmission part is connected between the material distribution sleeve and the jaw crusher, and the material distribution sleeve slides back and forth above the chain conveyor along the width direction of the chain conveyor through the transmission part when the jaw crusher operates.

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

the sludge drying machine discharges sludge in the material guide pipe from a discharge port of the jaw crusher into the cloth sleeve, and the power of the jaw crusher for crushing the sludge enables the transmission piece to drive the cloth sleeve to slide in a reciprocating manner above the chain type conveyor belt along the width direction of the chain type conveyor belt, so that the sludge is uniformly paved on the chain type conveyor belt along the width direction of the chain type conveyor belt, and the drying effect of the sludge is improved; and the power of the jaw crusher in the operation process is reasonably utilized.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a cross-sectional view of the cloth cover of FIG. 1;

fig. 4 is a schematic structural view of the gas distribution assembly in fig. 1.

Reference numerals in the drawings of the specification include: the device comprises a box body 1, a jaw crusher 2, a chain conveyor 3, a material guide pipe 4, a material distribution sleeve 5, a material guide cavity 6, an annular connecting groove 7, an annular supporting plate 8, a disc 9, a traction rod 10, a transmission shaft 11, a heater 12, an air distribution assembly 13, an annular pipe 131, an air guide pipe 132, an air distribution hole 133, an auxiliary heating pipe 14, a regulating valve 15, a distributed type conveyor belt 16, a first flexible sealing belt 17 and a second flexible sealing belt 18.

Detailed Description

The present invention will be described in further detail below by way of specific embodiments:

as shown in fig. 1, an embodiment of the present invention provides a sludge drying machine, which includes a box body 1, a jaw crusher 2 communicated with a feed inlet at the top of the box body 1, and a plurality of chain conveyors 3 arranged in the box body 1 in a staggered manner from top to bottom, wherein each chain conveyor 3 is arranged along a horizontal direction, a discharge outlet of the jaw crusher 2 is communicated with a material guide pipe 4 arranged in the box body 1, a material distribution sleeve 5 is slidably clamped at a discharge outlet of the material guide pipe 4, and the material distribution sleeve 5 is slidably arranged along a width direction of the chain conveyor 3;

a transmission part is connected between the material distribution sleeve 5 and the jaw crusher 2, and the material distribution sleeve 5 slides back and forth above the chain conveyor belt 3 along the width direction of the chain conveyor belt 3 through the transmission part when the jaw crusher 2 operates.

The sludge drying machine is characterized in that sludge discharged into the material guide pipe 4 from a discharge port of the jaw crusher 2 enters the material distribution sleeve 5, and the driving part drives the material distribution sleeve 5 to slide in a reciprocating manner above the chain conveyor 3 along the width direction of the chain conveyor 3 under the power of the jaw crusher 2 for crushing the sludge, so that the sludge is uniformly paved on the chain conveyor 3 along the width direction of the chain conveyor 3, and the drying effect of the sludge is improved; and reasonably utilizes the power of the jaw crusher 2 in the operation process.

As shown in fig. 1 and 3, according to another embodiment of the present invention, a funnel-shaped material guiding chamber 6 is formed in the material sleeve 5, a material outlet at the bottom of the material sleeve 5 is communicated with the bottom end of the material guiding chamber 6, a material inlet at the top of the material sleeve 5 is communicated with the top end of the material guiding chamber 6, a material outlet of the material guiding pipe 4 is embedded into a material inlet at the top of the material sleeve 5, an outer diameter of the material outlet of the material guiding pipe 4 is smaller than an aperture of the material inlet at the top of the material sleeve 5, an annular connecting groove 7 is formed in an inner wall of the material inlet at the top of the material sleeve 5 along a circumferential direction of the material inlet, and an annular supporting plate 8 slidably clamped in the annular connecting groove 7 is fixedly sleeved on an outer wall of the material outlet of the material guiding pipe 4.

In the embodiment, the size of the discharge opening of the material guide pipe 4 and the size of the feed inlet at the top of the material distribution sleeve 5 are designed, and the arrangement mode of the annular connecting groove 7 and the annular supporting plate 8 is matched to ensure that the material distribution sleeve 5 is not limited by the material guide pipe 4 in the process of reciprocating sliding of the material distribution sleeve 5 above the chain conveyor belt 3 along the width direction of the chain conveyor belt 3, and the material distribution sleeve 5 can be always connected with the material guide pipe 4 and supported by the material guide pipe 4; meanwhile, the structural design of the material guide cavity 6 can quickly discharge the sludge entering from the feeding hole at the top of the material distribution sleeve 5 from the discharge hole at the bottom of the material distribution sleeve 5, and the sludge is uniformly distributed on the chain conveyor belt 3.

As shown in fig. 1 and 2, according to another embodiment of the present invention, the sludge drying machine includes a driving member including a disc 9 rotatably connected to an inner top wall of the tank 1 along a horizontal direction, a drawbar 10 rotatably connected to an outer wall of the cloth cover 5 at an eccentric position of the disc 9, a driving shaft 11 rotatably connected to the top wall of the tank 1, and a belt driving structure (not shown) connecting an end of the driving shaft 11 far from the disc 9 and disposed outside the tank 1 to the jaw crusher 2.

In the operation process of the jaw crusher 2, one crushing roller in the jaw crusher 2 is connected with a belt transmission structure to rotate the belt transmission structure, and the belt transmission structure is an existing belt transmission structure and is not described in detail herein; the belt transmission structure drives the disc 9 to rotate, and the cloth sleeve 5 slides above the chain type conveyor belt 3 in a reciprocating mode along the width direction of the chain type conveyor belt 3 through the traction rod 10 in the rotating process of the disc 9, so that the sludge is uniformly distributed on the chain type conveyor belt 3.

As shown in fig. 1 and 4, according to another embodiment of the present invention, the sludge drying machine further includes a heater 12 disposed outside the box 1, an air outlet of the heater 12 is communicated with an air distribution assembly 13 disposed inside the box 1 and below the lowermost chain conveyor 3, the air distribution assembly 13 includes a plurality of annular tubes 131 coaxially and coplanarly disposed, one of the annular tubes 131 is communicated with the air outlet of the heater 12 through an air inlet pipe, any two adjacent annular tubes 131 are communicated with each other through a plurality of air ducts 132 annularly disposed, and a plurality of air distribution holes 133 are opened at the bottom of each annular tube 131.

Wherein the heater 12 is an existing device; the heating steam generated by the heater 12 is introduced into the annular pipes 131 connected with the air inlet pipe, then the heating steam is uniformly filled in each annular pipe 131 through the air guide pipe 132, and then the heating steam is discharged into the bottom of the box body 1 from the plurality of air distribution holes 133, and the heating steam flows from bottom to top in the box body 1 to dry the sludge on the chain conveyor belt 3.

The arrangement mode of the plurality of annular pipes 131 and the air distribution holes 133 is to enable the heating steam to be uniformly arranged in the bottom of the box body 1, so that the sludge on the chain type conveyor belt 3 is heated more uniformly, and the drying effect is better.

A plurality of air distribution holes 133 are formed in the bottom of each annular pipe 131, so that air is uniformly distributed in the box body 1 through the air distribution holes 133, and meanwhile, small-particle sludge falling out of the gaps of the chain conveyor belt 3 is prevented from penetrating into the annular pipes 131 from the air distribution holes 133, so that the annular pipes 131 can effectively conduct air for a long time, and the air distribution holes 133 can effectively conduct air distribution for a long time.

As shown in fig. 1, according to another embodiment of the present invention, after heat exchange is performed on heating steam from bottom to top in a box 1, the heat of the heating steam is gradually reduced, so as to further improve the drying efficiency of sludge; the device is characterized in that an auxiliary heating pipe 14 is arranged below each chain type conveyor belt 3, and the auxiliary heating pipes 14 are communicated with an air inlet pipe through the same connecting pipe.

The air inlet pipe leads part of the heating steam to be directly led to the lower part of each chain conveyor belt 3 through each auxiliary heating pipe 14, so that the drying effect of the sludge on each chain conveyor belt 3 is improved; in the present embodiment, since the air distribution assembly 13 is disposed below the lowermost chain conveyor 3, the auxiliary heating pipe 14 is not disposed below the lowermost chain conveyor 3.

In order to reasonably arrange the auxiliary heating pipes 14, the air outlet of each auxiliary heating pipe 14 is positioned on the inner wall of the box body 1; so that it has sufficient stability while avoiding too much chaos in the cabinet 1.

In order to adjust the air inflow of each auxiliary heating pipe 14 and each air inlet pipe, so that the sludge in the box body 1 meets different actual requirements (for example, different requirements on the drying degree of the sludge) in the drying process, each auxiliary heating pipe 14 and each air inlet pipe are provided with an adjusting valve 15, so as to adjust the flow of heating steam in each auxiliary heating pipe 14 and each air inlet pipe and to reasonably control the heating temperature in the box body 1; the regulating valves 15 may be solenoid valves, the opening of which is controlled by an existing central controller.

As shown in fig. 1, according to another embodiment of the present invention, the sludge drying machine further includes a distributed transmission belt 16 disposed at the bottom inside the box 1, a slag hole is opened on a side wall of the box 1, the distributed transmission belt 16 is disposed along the width direction of the box 1, one end of the distributed transmission belt 16 passes through the slag hole and then is disposed outside the box 1, and a first flexible sealing belt 17 contacting with the top surface of the distributed transmission belt 16 is connected to the top wall of the slag hole.

In the utility model, the sludge falling from the gap of the chain conveyor 3 is collected by the distributed conveyor belt 16 and then conveyed out of the box body 1; the first flexible sealing belt 17 plays a certain sealing role on the slag outlet, so that the heat loss in the box body 1 is reduced; at the same time the first flexible sealing belt 17 avoids causing obstruction to the sludge carried in the cloth-type driving belt 16.

As shown in fig. 1, according to another embodiment of the present invention, a discharge port is formed on a side wall of the tank 1, a feeding end of the chain conveyor 3 located at the lowermost position passes through the discharge port and is disposed outside the tank 1, and a top wall of the discharge port is connected to a second flexible sealing belt 18 contacting with a top surface of the chain conveyor 3 located at the lowermost position.

The dried sludge in the box body 1 is conveyed out of the box body 1 through the chain type conveyor belt 3 at the lowest part, and the second flexible sealing belt 18 plays a certain sealing role in the discharge hole, so that the heat loss in the box body 1 is reduced; while the second flexible sealing strip 18 avoids getting in the way of the sludge transported on the lowermost chain conveyor 3.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. A sludge drier comprises a box body, a jaw crusher communicated with a feed inlet at the top of the box body and a plurality of chain type conveyor belts which are arranged in the box body in a staggered manner from top to bottom, wherein each chain type conveyor belt is arranged along the horizontal direction;

2. The sludge drying machine according to claim 1, characterized in that: the driving medium includes that the disc of roof rotates the connection in the box along the horizontal direction, rotates on the eccentric position of disc to be connected with and rotates the traction lever that links to each other with cloth cover outer wall, fixedly connected with and box roof rotation joint's transmission shaft on the disc, the tip that the disc was kept away from to the transmission shaft is arranged in outside the box and is linked to each other through taking the transmission structure between the jaw crusher.

3. The sludge drying machine according to claim 1 or 2, characterized in that: still including setting up the heater outside the box, the gas outlet intercommunication of heater has the gas distribution subassembly that sets up in the box and arrange the chain conveyer below of below in, and the gas distribution subassembly includes a plurality of ring pipes that coaxial and coplane arranged, and one of them ring pipe passes through the gas outlet intercommunication of intake pipe and heater, all communicates through a plurality of air ducts that are the annular and arrange between arbitrary double-phase adjacent ring pipe, and a plurality of gas distribution holes have all been seted up to the bottom of every ring pipe.

4. The sludge drying machine according to claim 3, characterized in that: and an auxiliary heating pipe is arranged below each chain-type conveying belt and is communicated with the air inlet pipe through the same connecting pipe.

5. The sludge drying machine according to claim 4, characterized in that: and the air outlet of each auxiliary heating pipe is positioned on the inner wall of the box body.

6. The sludge drying machine according to claim 4, characterized in that: and each auxiliary heating pipe and each air inlet pipe are provided with regulating valves.

7. The sludge drying machine according to claim 1, characterized in that: be formed with in the cloth cover and be hopper-shaped guide chamber, the bin outlet and the guide chamber bottom intercommunication of cloth cover bottom, the feed inlet and the guide chamber top intercommunication at cloth cover top, and in the bin outlet embedding of passage cloth cover top, the bin outlet external diameter of passage is less than the feed inlet bore at cloth cover top, the feed inlet inner wall at cloth cover top is opened along its circumference direction has annular spread groove, fixed cover is equipped with the annular backup pad of slip joint in annular spread groove on the bin outlet outer wall of passage.

8. The sludge drying machine according to claim 1, characterized in that: still including arranging the distributing type drive belt of bottom in the box, it has the slag notch to open on the box lateral wall, and the distributing type drive belt arranges along box width direction and outside just one end placed the box after passing the slag notch in, and the slag notch roof is connected with the first flexible sealing area with the contact of distributing type drive belt top surface.

9. The sludge drying machine according to claim 1, characterized in that: the box body is characterized in that a discharge port is formed in the side wall of the box body, the feeding end of the chain conveyor belt located at the lowest position penetrates through the discharge port and then is arranged outside the box body, and the top wall of the discharge port is connected with a second flexible sealing belt which is in contact with the top surface of the chain conveyor belt located at the lowest position.