CN215517140U

CN215517140U - Sludge drying device

Info

Publication number: CN215517140U
Application number: CN202122473747.7U
Authority: CN
Inventors: 李新盛
Original assignee: Qingzhou Emergency Rescue Command Center
Current assignee: Qingzhou Emergency Rescue Command Center
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-01-14
Anticipated expiration: 2031-10-14

Abstract

The utility model relates to the field of environment-friendly equipment, in particular to a sludge drying device which comprises a frame body, wherein a belt conveyor is arranged on the frame body, a conveyor belt for conveying sludge is arranged on the belt conveyor, a sludge drying box with a downward opening is arranged on the frame body, the sludge drying box is buckled at the upper part of the conveyor belt, an air inlet pipe for conveying dry hot air to the sludge drying box is arranged on the sludge drying box, an air return pipe for recovering moist hot air is also arranged on the sludge drying box, a plurality of top plates are rotatably arranged on the belt conveyor and are arranged along the advancing direction of the conveyor belt, the top plates abut against the conveyor belt when rotating to an upper limit position, the moments when adjacent top plates rotate to the upper limit position are different, and a top plate motor for driving the top plates to rotate is arranged on the frame body. The sludge drying device utilizes the mutual matching of the plurality of top plates to destroy the drying crust on the surface layer of the sludge, so that the sludge on the inner layer leaks out, and the purpose of accelerating the sludge drying process is achieved.

Description

Sludge drying device

Technical Field

The utility model relates to the field of environment-friendly equipment, in particular to a sludge drying device.

Background

The sludge drying technology is a common technology capable of effectively reducing the water content of sludge so as to facilitate the subsequent treatment of the sludge, and the specific operation is to heat the sludge in a specially designed device and evaporate the water in the sludge.

The existing sludge drying equipment has the defects that in the sludge drying process, a dried crust is formed on the surface layer of sludge, and the crust can block the drying of the sludge on the inner layer, so that the sludge drying process is delayed and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sludge drying device which can destroy a surface crust of sludge drying and accelerate the sludge drying process.

In order to achieve the aim, the utility model discloses a sludge drying device which comprises a frame body and is structurally characterized in that: install belt conveyor on the support body, install the conveyer belt that is used for carrying mud on the belt conveyor, install downward open sludge drying case on the support body, sludge drying case spiral-lock is on the upper portion of conveyer belt, be equipped with on the sludge drying case and be used for to wherein carry the hot-blast air-supply line of dry, still install the return air pipe that is used for retrieving moist hot-blast on the sludge drying case, rotate on the belt conveyor and install a plurality of roofs, a plurality of roofs are arranged along the conveyer belt advancing direction, the roof leans on the conveyer belt when rotating upper limit position, the moment when adjacent roof rotates upper limit position is mutually different, install on the support body and be used for driving roof pivoted roof motor.

After adopting above-mentioned structure, utilize the conveyer belt to carry mud, after mud is transported to the sludge drying case, utilize the hot-blast blow that comes from the air-supply line to blow mud, sludge drying accelerates, become after the moist hot-blast that has certain temperature after dry hot-blast and mud contact, the rethread return-air pipe is retrieved moist hot-blast, install the roof on the belt conveyor, after the mud top layer forms the drying crust, a plurality of roofs cooperate each other, jack-up the conveyer belt, arouse the mud vibration, thereby destroy the drying crust on mud top layer, make the mud of nexine spill, reach the purpose of accelerating the sludge drying process.

Preferably, the upper part of the sludge drying box is open, the upper side of the sludge drying box is buckled with a fan cover, the fan cover seals the upper part of the sludge drying box, and the air inlet pipe is arranged on the fan cover.

In order to ensure that the hot air from the air inlet pipe is uniformly distributed, the fan cover is in a square cone shape, the air return cylinders communicated with the fan cover are arranged on the fan cover, and the air return cylinders are arranged in a plurality and are respectively arranged on the conical surfaces of the fan cover. The air return cylinder is in a hollow cuboid shape, and the length of the air return cylinder corresponds to the conical surface of the fan cover. The hot air from the air inlet pipe enters the fan cover in a divergent mode, and the sludge on the conveying belt is ensured to be uniformly contacted with the hot air.

Preferably, the air inlet pipe is installed at the top of the fan cover, and the plurality of air return ducts are arranged around the air inlet pipe. The hot-blast back of coming from the air-supply line to contact mud is turned back upwards, outwards discharges through the return air section of thick bamboo, and damp and hot air in time gets rid of when this arrangement mode can improve the utilization ratio to hot-blast again. The recovered hot air can be dried and then sent into the air inlet pipe for reuse.

Preferably, the upper parts of the plurality of air return ducts are communicated with each other, and the air return ducts are arranged on the air return ducts.

Regarding the concrete structure of belt conveyor, belt conveyor includes two guide rails of mutual spaced, rotates between two guide rails and installs two cylinders, and two cylinders are spaced each other, and the conveyer belt is the ring cover form, and the conveyer belt suit is installed on two cylinders on the support body and is used for driving cylinder pivoted conveying motor.

Regarding the mounting structure of roof, rotate on the guide rail and install a plurality of pivots, the pivot is located the conveyer belt middle part that is the ring cover form, and the roof is installed in the pivot, and the roof extends along conveyer belt width direction. The top plate is supported against the upper layer conveyor belt when rotating to the upper limit position.

Regarding the drive structure of roof, all install synchronous pulley in every pivot, install the hold-in range that makes its synchronous revolution on a plurality of synchronous pulleys, install on the support body and be used for driving one of them pivot pivoted roof motor.

In order to avoid hot air leakage from the front side and the rear side of the conveyor belt, the frame body is provided with two wind shields which are respectively positioned on the front side and the rear side of the conveyor belt, and the two wind shields are arranged close to the conveyor belt.

In order to avoid hot air leakage from the left side and the right side of the conveying belt, two wind shielding rubber plates are arranged on the frame body, the two wind shielding rubber plates are respectively positioned at the positions where the conveying belt enters and exits the sludge drying box, and the wind shielding rubber plates are attached to the conveying belt.

In conclusion, the beneficial effects of the utility model are as follows: after the dried crust is formed on the surface layer of the sludge, the top plates are matched with each other to jack up the conveyor belt to cause the sludge to vibrate, so that the dried crust on the surface layer of the sludge is damaged, the sludge on the inner layer leaks out, and the purpose of accelerating the sludge drying process is achieved; the air inlet pipe is installed at the top of fan housing, and a plurality of return air barrels are arranged around the air inlet pipe, and the hot-blast back that contacts the mud that comes from the air inlet pipe is turned back upwards, outwards discharges through the return air barrel, and this arrangement mode can improve the utilization ratio to hot-blast.

Drawings

FIG. 1 is a schematic sectional view of a sludge drying apparatus;

FIG. 2 is a schematic view of a point A in FIG. 1;

fig. 3 is a front view of the sludge drying device.

In the figure: the device comprises a fan cover 1, an air return drum 2, an air inlet pipe 3, an air return pipe 4, a sludge drying box 5, a frame body 6, a top plate 7, a conveying motor 8, a guide rail 9, a conveying belt 10, a wind shielding rubber plate 11, a wind shielding plate 12, a synchronous belt 13, a top plate motor 14, a belt conveyor 15, a roller 16, a rotating shaft 17 and a synchronous belt wheel 18.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.

The utility model provides a sludge drying device, includes support body 6, its structural feature is: a belt conveyor 15 is arranged on a frame body 6, a conveyor belt 10 for conveying sludge is arranged on the belt conveyor 15, a sludge drying box 5 with a downward opening is arranged on the frame body 6, the sludge drying box 5 is buckled on the upper part of the conveyor belt 10, an air inlet pipe 3 for conveying dry hot air into the sludge drying box 5 is arranged on the sludge drying box 5, an air return pipe 4 for recovering moist hot air is also arranged on the sludge drying box 5, a plurality of top plates 7 are rotatably arranged on the belt conveyor 15, the top plates 7 are arranged along the advancing direction of the conveyor belt 10, the top plates 7 abut against the conveyor belt 10 when rotating to the upper limit position, the time when the adjacent top plates 7 rotate to the upper limit position is different, that is, the rotation angles of the adjacent top plates 7 are different from each other, the plurality of top plates 7 are sequentially lifted up and down to abut against the conveyor belt 10, so that sludge on the conveyor belt 10 is bumped up and down, and the frame body 6 is provided with a top plate motor 14 for driving the top plates 7 to rotate. Referring to the attached drawing 1, after the structure is adopted, the conveying belt 10 is used for conveying sludge, after the sludge is conveyed to the sludge drying box 5, the hot air from the air inlet pipe 3 is used for blowing the sludge to accelerate sludge drying, after the dry hot air is contacted with the sludge and becomes wet hot air with a certain temperature, the wet hot air is recycled through the air return pipe 4, the belt conveyor 15 is provided with the top plate 7, after a dried crust is formed on the surface layer of the sludge, the top plates 7 are matched with each other to jack the conveying belt 10 to cause sludge vibration, so that the dried crust on the surface layer of the sludge is damaged, the sludge on the inner layer is leaked, and the purpose of accelerating the sludge drying process is achieved.

Referring to the attached drawing 1, preferably, the upper part of the sludge drying box 5 is open, the upper side of the sludge drying box 5 is buckled with the air cover 1, the air cover 1 seals the upper part open of the sludge drying box 5, and the air inlet pipe 3 is installed on the air cover 1. In order to ensure that the hot air from the air inlet pipe 3 is uniformly distributed, the fan cover 1 is in a square cone shape, the air return cylinders 2 communicated with the fan cover 1 are arranged on the fan cover 1, the air return cylinders 2 are provided with a plurality of air return cylinders, and the air return cylinders 2 are respectively arranged on the conical surfaces of the fan cover 1. The air return cylinder 2 is in a hollow cuboid shape, and the length of the air return cylinder 2 corresponds to the conical surface direction of the fan cover 1. The hot air from the air inlet pipe 3 enters the fan cover 1 in a divergent shape, and the sludge on the conveyor belt 10 is ensured to be uniformly contacted with the hot air.

Referring to fig. 1, an air inlet duct 3 is installed at the top of a fan housing 1, and a plurality of return air ducts 2 are arranged around the air inlet duct 3. The hot air from the air inlet pipe 3 is contacted with the sludge and then turns back upwards, and is discharged outwards through the air return cylinder 2, and the arrangement mode can improve the utilization rate of the hot air. The recovered hot air can be dried and then sent into the air inlet pipe 3 for reuse. The upper parts of the plurality of air return ducts 2 are communicated with each other, and the air return ducts 4 are arranged on the air return ducts 2.

Referring to fig. 1 and 3, regarding the specific structure of the belt conveyor 15, the belt conveyor 15 includes two spaced guide rails 9, two rollers 16 are rotatably installed between the two guide rails 9, the two rollers 16 are spaced from each other, the conveyor belt 10 is in a loop shape, the conveyor belt 10 is sleeved on the two rollers 16, and the frame body 6 is provided with the conveyor motor 8 for driving the rollers 16 to rotate.

Referring to fig. 1, regarding the installation structure of the top plate 7, a plurality of rotating shafts 17 are rotatably installed on the guide rail 9, the rotating shafts 17 are located in the middle of the loop-shaped conveyor belt 10, the top plate 7 is installed on the rotating shafts 17, and the top plate 7 extends along the width direction of the conveyor belt 10. The upper extreme position of rotation of the top plate 7 rests on the upper conveyor 10. Referring to fig. 3, regarding the driving structure of the top plate 7, each rotating shaft 17 is provided with a synchronous pulley 18, a plurality of synchronous pulleys 18 are provided with a synchronous belt 13 for synchronously rotating the synchronous pulleys, and the frame body 6 is provided with a top plate motor 14 for driving one rotating shaft 17 to rotate.

Referring to fig. 3, in order to avoid hot air from leaking from the front side and the rear side of the conveyor belt 10, two wind deflectors 12 are mounted on the frame body 6, the two wind deflectors 12 are respectively located on the front side and the rear side of the conveyor belt 10, and the two wind deflectors 12 are arranged close to the conveyor belt 10. The wind shield 12 is provided with an avoiding hole for the rotating shaft 17 to pass through. Referring to the attached

drawings

1 and 2, in order to avoid hot air leakage from the left and right sides of the conveyor belt 10, two wind-shielding rubber plates 11 are mounted on the frame body 6, the two wind-shielding rubber plates 11 are respectively positioned at the positions where the conveyor belt 10 enters and exits the sludge drying box 5, and the wind-shielding rubber plates 11 are attached to the conveyor belt 10.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The sludge drying device comprises a frame body (6) and is characterized in that a belt conveyor (15) is installed on the frame body (6), a conveyor belt (10) used for conveying sludge is installed on the belt conveyor (15), a sludge drying box (5) with a downward opening is installed on the frame body (6), the sludge drying box (5) is buckled on the upper portion of the conveyor belt (10), an air inlet pipe (3) used for conveying dry hot air to the sludge drying box (5) is arranged on the sludge drying box, an air return pipe (4) used for recovering wet hot air is also installed on the sludge drying box (5), a plurality of top plates (7) are rotatably installed on the belt conveyor (15), the top plates (7) are arranged along the advancing direction of the conveyor belt (10), the top plates (7) are leaned on the conveyor belt (10) when rotating to an upper limit position, the moments when the adjacent top plates (7) rotate to the upper limit position are different, the frame body (6) is provided with a top plate motor (14) for driving the top plate (7) to rotate.

2. The sludge drying device according to claim 1, wherein the sludge drying box (5) is open at the upper part, the air cover (1) is buckled at the upper side of the sludge drying box (5), the air cover (1) seals the upper opening of the sludge drying box (5), and the air inlet pipe (3) is installed on the air cover (1).

3. The sludge drying device as claimed in claim 2, wherein the fan housing (1) is in a pyramid shape, the fan housing (1) is provided with a plurality of return air cylinders (2) communicated with the fan housing, and the plurality of return air cylinders (2) are respectively arranged on the conical surfaces of the fan housing (1).

4. The sludge drying device as claimed in claim 3, wherein the air inlet pipe (3) is installed on the top of the fan housing (1), and the plurality of air return ducts (2) are arranged around the air inlet pipe (3).

5. The sludge drying device as claimed in claim 4, wherein the upper parts of the plurality of air return ducts (2) are communicated with each other, and the air return duct (4) is installed on the air return ducts (2).

6. The sludge drying device according to claim 1, wherein the belt conveyor (15) comprises two spaced guide rails (9), two rollers (16) are rotatably mounted between the two guide rails (9), the two rollers (16) are spaced from each other, the belt conveyor (10) is in a loop shape, the belt conveyor (10) is sleeved on the two rollers (16), and the frame body (6) is provided with the conveying motor (8) for driving the rollers (16) to rotate.

7. The sludge drying device as claimed in claim 6, wherein the guide rail (9) is rotatably provided with a plurality of rotating shafts (17), the rotating shafts (17) are positioned in the middle of the loop-shaped conveyor belt (10), the top plate (7) is arranged on the rotating shafts (17), and the top plate (7) extends along the width direction of the conveyor belt (10).

8. The sludge drying device as claimed in claim 7, wherein each rotating shaft (17) is provided with a synchronous pulley (18), a plurality of synchronous pulleys (18) are provided with a synchronous belt (13) for synchronous rotation, and the frame body (6) is provided with a top plate motor (14) for driving one rotating shaft (17) to rotate.

9. The sludge drying device according to claim 6, wherein the frame body (6) is provided with two wind shields (12), the two wind shields (12) are respectively arranged at the front side and the rear side of the conveyor belt (10), and the two wind shields (12) are arranged close to the conveyor belt (10).

10. The sludge drying device according to claim 9, wherein two rubber wind shields (11) are mounted on the frame body (6), the two rubber wind shields (11) are respectively positioned at the position where the conveyor belt (10) enters and exits the sludge drying box (5), and the rubber wind shields (11) are attached to the conveyor belt (10).