CN210528753U

CN210528753U - Sludge drying granulator

Info

Publication number: CN210528753U
Application number: CN201921481366.XU
Authority: CN
Inventors: 张大春
Original assignee: Baoying Environmental Protection Technology (hangzhou) Co Ltd
Current assignee: Baoying Environmental Protection Technology (hangzhou) Co Ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-05-15
Anticipated expiration: 2029-09-06

Abstract

The sludge drying granulator comprises a spiral extrusion granulator, wherein the spiral extrusion granulator and a drying device are fixed on a bracket, and the lower end of a discharge hopper is communicated with a feed inlet of the spiral extrusion granulator; the structure of the drying device is as follows: a plurality of blanking through holes are formed in the left side of a bottom plate of the box body, a box cover plate is fixed at the upper end of the box body, the stirring roller is positioned in the box body, a high-temperature air inlet pipe is fixed on the box body and communicated with the interior of the box body, and an air outlet pipe is fixed on the box cover plate and communicated with the box body; the box cover plate 4 is fixed with a feeding box, a second motor is fixed outside the feeding box, a stirring frame is fixed on a rotating shaft of the second motor, the stirring frame is positioned in the feeding box, and the feeding box is communicated with the cover plate discharging opening. The wet sludge with high water content is directly dried and then sent into the spiral extrusion granulator for granulation, so that the trouble of raw material transportation is saved, and meanwhile, if the moisture content of the wet sludge is proper, the wet sludge granulation production is not influenced.

Description

Sludge drying granulator

Technical Field

The utility model relates to a sludge treatment technical field, more specifically say and relate to an equipment that uses during mud granulation.

Background

After the wet sludge is naturally air-dried, the wet sludge is granulated by using a screw extrusion granulator, but when the moisture content in the wet sludge is higher or lower, the granulated blocks are easy to break, and the humidity of the wet sludge needs to be adjusted to control whether the granulated blocks can be smoothly molded.

Generally, when the moisture content of the wet sludge is low, a little moisture is properly added, and the wet sludge can be granulated smoothly by stirring. When the moisture content of the wet sludge is high, the conventional method is to dry the wet sludge on other equipment and then send the dried wet sludge into a spiral extrusion granulator for granulation. The disadvantages are as follows: the production process is troublesome, the drying equipment is required to be used for drying firstly, and then the dried sludge is sent to the spiral extrusion granulator for granulation, the wet sludge raw material needs to be transported once, and the treatment cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at being not enough to prior art, and provide a sludge drying granulator, it directly carries out the mummification to the higher wet sludge of water content and handles the back and send into the spiral and extrude the granulator and carry out the granulation, saves the trouble of removing the transportation raw materials, if wet sludge moisture content is suitable simultaneously, does not influence wet sludge pelletization production yet.

The technical solution of the utility model is as follows:

the sludge drying granulator comprises a spiral extrusion granulator, wherein the spiral extrusion granulator and a drying device are fixed on a bracket, and the lower end of a discharge hopper is communicated with a feed inlet of the spiral extrusion granulator;

the structure of the drying device is as follows: a plurality of blanking through holes are formed in the left side of a bottom plate of the box body, a box cover plate is fixed at the upper end of the box body, a cover plate blanking hole is formed in the box cover plate, the upper end of the blanking hopper is fixed on the bottom plate of the box body, and the plurality of blanking through holes are communicated with the blanking hopper; the first motor is fixed outside the box body, a stirring roller is fixed on a rotating shaft of the first motor, a plurality of stirring plates are fixed on the stirring roller, the stirring plates are L-shaped plates, the stirring roller is positioned in the box body, a high-temperature air inlet pipe is fixed on the box body and communicated with the interior of the box body, and an air outlet pipe is fixed on a box cover plate and communicated with the box body;

the box cover plate 4 is fixed with a feeding box, a second motor is fixed outside the feeding box, a stirring frame is fixed on a rotating shaft of the second motor, the stirring frame is positioned in the feeding box, and the feeding box is communicated with the cover plate discharging opening.

A gasket is clamped between the box cover plate and the upper end of the box body, and the box cover plate and the box body are fixed together through screws.

The box cover plate is fixedly provided with a protective cover which is a metal cover, and the protective cover is provided with a plurality of protective cover small holes in a forming mode.

The upper material box is fixed on the box cover plate through screws, and the upper part of the cross section of the upper material box is horn-shaped, and the lower part of the cross section of the upper material box is square tube-shaped.

And a plurality of stirring plates are welded or fixed on the stirring roller through screws.

The beneficial effects of the utility model reside in that:

the wet sludge with high water content is directly dried and then sent into the spiral extrusion granulator for granulation, so that the trouble of raw material transportation is saved, and meanwhile, if the moisture content of the wet sludge is proper, the wet sludge granulation production is not influenced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the drying device and the upper box part.

In the figure: 1. carrying out spiral extrusion granulation; 2. a support; 3. feeding a hopper; 4. a drying device; 5. feeding a material box; 6. a second motor; 7. and (4) a stirring frame.

Detailed Description

Example (b): as shown in fig. 1 and 2, the sludge drying granulator comprises a spiral extrusion granulator 1, wherein the spiral extrusion granulator 1 and a drying device are fixed on a support 2, and the lower end of a lower hopper 3 is communicated with a feed inlet of the spiral extrusion granulator 1;

the structure of the drying device 4 is as follows: a plurality of blanking through holes 43 are formed in the left side of the bottom plate of the box body 41, a box cover plate 42 is fixed at the upper end of the box body 41, a cover plate blanking port 421 is formed in the box cover plate 42, the upper end of the blanking hopper 3 is fixed on the bottom plate of the box body 41, and the plurality of blanking through holes 43 are communicated with the blanking hopper 3; the first motor 44 is fixed outside the box body 41, a stirring roller 45 is fixed on a rotating shaft of the first motor 44, a plurality of stirring plates 46 are fixed on the stirring roller 45, the stirring plates 46 are L-shaped plates, the stirring roller 45 is positioned in the box body 41, a high-temperature air inlet pipe 47 is fixed on the box body 41 and communicated with the interior of the box body 41, and an air outlet pipe 48 is fixed on the box cover plate 42 and communicated with the box body 41;

the box cover plate 42 is fixed with the feeding box 5, the outside of the feeding box 5 is fixed with the second motor 6, the rotating shaft of the second motor 6 is fixed with the stirring frame 7, the stirring frame 7 is positioned in the feeding box 5, and the feeding box 5 is communicated with the cover plate discharging port 421.

A gasket 49 is clamped between the box cover plate 42 and the upper end of the box body 41, and the box cover plate 42 and the box body 41 are fixed together through screws.

The following steps: a protective cover 4a is fixed on the box cover plate 42, the protective cover 4a is a metal cover, and a plurality of protective cover small holes 4a1 are formed on the protective cover 4 a.

The upper feed box 5 is fixed on the box cover plate 42 through screws, and the upper part of the cross section of the upper feed box 5 is horn-shaped, and the lower part of the cross section of the upper feed box is square-tube-shaped.

A plurality of stirring plates 46 are welded or fixed on the stirring roller 45 through screws.

The working principle is as follows: wet sludge is poured into the feeding box 5, the second motor 6 drives the stirring frame 7 to rotate, the wet sludge is stirred and simultaneously sent into the box body 41 from the cover plate feed opening 421, if the humidity of the wet sludge is proper, the high-temperature air inlet pipe 47 is not opened generally, and the high-temperature air inlet pipe 47 is provided with a manual valve for opening and closing the high-temperature air inlet pipe 47.

If the pellet produced by the screw extrusion granulator 1 is not qualified, for example, loose and easy to be broken, the high temperature air inlet pipe 47 is opened, the air temperature in the high temperature air inlet pipe 47 is 150 to 200 ℃, the high temperature air is sent from the high temperature air generator, the high temperature air heats the sludge in the box 41, part of water is evaporated, and the evaporated water vapor is discharged from the air outlet pipe 48.

As shown in fig. 1, a stirring roller 45 is fixed on a rotating shaft of the first motor 44, a plurality of stirring plates 46 are fixed on the stirring roller 45, the stirring plates 46 are L-shaped plates, the first motor 44 rotates clockwise, and the stirring plates 46 always convey wet sludge in the box body 41 to the left blanking through hole 43, so that the wet sludge enters the blanking hopper 3 from the blanking through hole 43. The blanking through hole 43 is disposed at the left side of the box 41 to allow the wet sludge to stay in the box 41 for a certain time, which is beneficial for the high temperature air to remove a certain amount of water from the wet sludge in the box 41.

Air leakage between the box body 41 and the box cover plate 42 is reduced as much as possible, the work is not influenced even if the air leakage is small, and the utilization efficiency of energy can be improved.

Claims

1. Sludge drying granulator, including spiral extrusion granulator (1), its characterized in that: the spiral extrusion granulator (1) and the drying device are fixed on the bracket (2), and the lower end of the discharge hopper (3) is communicated with the feed inlet of the spiral extrusion granulator (1);

the structure of the drying device (4) is as follows: a plurality of blanking through holes (43) are formed in the left side of a bottom plate of the box body (41), a box cover plate (42) is fixed at the upper end of the box body (41), a cover plate blanking port (421) is formed in the box cover plate (42), the upper end of the blanking hopper (3) is fixed on the bottom plate of the box body (41), and the plurality of blanking through holes (43) are communicated with the blanking hopper (3); the first motor (44) is fixed outside the box body (41), a stirring roller (45) is fixed on a rotating shaft of the first motor (44), a plurality of stirring plates (46) are fixed on the stirring roller (45), the stirring plates (46) are L-shaped plates, the stirring roller (45) is positioned in the box body (41), a high-temperature air inlet pipe (47) is fixed on the box body (41) and communicated with the inner part of the box body (41), and an air outlet pipe (48) is fixed on the box cover plate (42) and communicated with the box body (41);

the box cover plate (42) is fixedly provided with an upper box (5), the outside of the upper box (5) is fixedly provided with a second motor (6), a rotating shaft of the second motor (6) is fixedly provided with a stirring frame (7), the stirring frame (7) is positioned in the upper box (5), and the upper box (5) is communicated with the cover plate discharge opening (421).

2. The sludge drying granulator according to claim 1, characterized in that: a gasket (49) is clamped between the upper ends of the box cover plate (42) and the box body (41), and the box cover plate (42) and the box body (41) are fixed together through screws.

3. The sludge drying granulator according to claim 1, characterized in that: a protective cover (4 a) is fixed on the box cover plate (42), the protective cover (4 a) is a metal cover, and a plurality of protective cover small holes (4 a 1) are formed in the protective cover (4 a).

4. The sludge drying granulator according to claim 1, characterized in that: the upper material box (5) is fixed on the box cover plate (42) through screws, the upper part of the cross section of the upper material box (5) is horn-shaped, and the lower part of the cross section of the upper material box is square cylinder-shaped.

5. The sludge drying granulator according to claim 1, characterized in that: a plurality of stirring plates (46) are welded or fixed on the stirring roller (45) through screws.