CN207537320U - A kind of efficient municipal sludge drying breaking means - Google Patents

Abstract

The utility model discloses a high-efficiency urban sludge drying and crushing device, which comprises a base, a left support, a drying barrel and a right support; a rotating shaft is arranged in the middle of the drying barrel, the rotating shaft is a hollow structure, and the rotating shaft is symmetrical A number of stirring rods are provided; the upper side of the drying barrel is provided with a sludge inlet, and the lower side of the drying barrel is provided with a sludge outlet; the left end of the rotating shaft is connected with a steam inlet pipe, and a heating pipe is installed on the steam inlet pipe. device, the right end of the shaft communicates with an exhaust pipe. The utility model arranges a ring gear outside the drying barrel, and sets a rotating shaft with a stirring rod inside the drying barrel, and adopts a combination of steam drying and heating plate drying at the same time, so as to improve the sludge drying efficiency and save waste. Sludge processing time; there are also crushing teeth and scrapers on the stirring rod to break up the dried massive sludge for subsequent processing; there is also a preheating pipe to use the discharged high-temperature steam to save heat energy .

Description

A high-efficiency municipal sludge drying and crushing device

technical field

The utility model relates to a sludge drying equipment, in particular to a high-efficiency urban sludge drying and crushing device.

Background technique

In our country, with the strengthening of the national economic strength and the improvement of national environmental protection awareness, the urban sewage treatment industry has developed rapidly, the output of urban sludge is increasing day by day, and the disposal and development and utilization of sludge are increasingly concerned by people. The drying treatment of sludge makes it possible for sludge to be used in agriculture, used as fuel, incinerated, and even to reduce landfill sites.

The drying efficiency of the existing sludge drying device is too low, resulting in too long drying time, which is not conducive to the rapid treatment of sludge; at the same time, there is no crushing device inside the existing sludge dryer, resulting in When the sludge is discharged, it has a block structure, which is not conducive to the subsequent treatment of the sludge.

Utility model content

The purpose of this utility model is to provide a high-efficiency municipal sludge drying and crushing device to solve the problems raised in the above-mentioned background technology.

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

A high-efficiency municipal sludge drying and crushing device, including a base, a left bracket, a drying bucket and a right bracket; the left bracket and the right bracket are symmetrically installed on the base, and the drying bucket is located between the left bracket and the right bracket Inside, and the middle position of the drying barrel is provided with a rotating shaft; the rotating shaft is a hollow structure, and the left end of the rotating shaft is rotatably installed inside the left bracket, and the right end of the rotating shaft is rotatably installed inside the right bracket, and the rotating shaft is located in the drying barrel The inner part is symmetrically provided with several stirring rods; the right end of the rotating shaft is fixedly equipped with a first gear, and the inside of the right bracket is also fixedly equipped with a rotating motor, and the output end of the rotating motor is fixedly installed with a second gear, and the second gear is connected to the The first gears mesh with each other; the upper side of the drying barrel is provided with a sludge inlet, and the lower side of the drying barrel is provided with a sludge outlet; the left end of the rotating shaft is connected with a steam inlet pipe, and a heating device, the right end of the rotating shaft communicates with an exhaust pipe.

As a further solution of the present invention: the left and right sides of the drying barrel are rotatably connected to the rotating shaft through bearings.

As a further solution of the utility model: a scraper is fixedly installed at the end of the stirring rod, and the scraper is close to the inner wall of the drying barrel.

As a further solution of the utility model: a plurality of crushing teeth are uniformly arranged on the stirring rod.

As a further solution of the utility model: a heating plate is also arranged on the inner wall of the drying barrel.

As a further solution of the utility model: a ring gear is fixedly installed on the outside of the drying bucket, and a driving gear that drives the rotation of the ring gear is also arranged on the rear side of the left bracket. Geared motor, the direction of rotation of the geared motor is opposite to that of the rotary motor.

As a further solution of the utility model: the exhaust end of the exhaust pipe is connected with a preheating pipe, and the steam inlet end of the steam inlet pipe is located inside the preheating pipe.

As a further solution of the utility model: the bottom of the preheating pipe is provided with a drain.

As a further solution of the present invention: both the stirring rod and the scraper are hollow, and the scraper communicates with the rotating shaft through the stirring rod.

Compared with the prior art, the beneficial effect of the utility model is: the utility model sets the ring gear outside the drying barrel, and sets the rotating shaft with the stirring rod inside the drying barrel, and adopts steam drying and heating plate at the same time The combination of drying improves the sludge drying efficiency and saves sludge treatment time; there are also crushing teeth and scrapers on the stirring rod to break up the dried lumpy sludge for subsequent processing; There is a preheating pipe to utilize the discharged high-temperature steam to save heat energy.

Description of drawings

Figure 1 is a schematic structural diagram of a high-efficiency municipal sludge drying and crushing device.

Fig. 2 is a side view of a high-efficiency municipal sludge drying and crushing device.

Fig. 3 is a schematic structural diagram of a stirring rod in a high-efficiency municipal sludge drying and crushing device.

In the figure: 1-base, 2-left bracket, 3-steam inlet pipe, 4-rotating shaft, 5-stirring rod, 6-scraper, 7-drying bucket, 8-sludge inlet, 9-heating plate, 10 -First gear, 11-second gear, 12-right bracket, 13-exhaust pipe, 14-sludge outlet, 15-preheating pipe, 16-water outlet, 17-heating device, 18-ring gear, 19 -Drive gear, 20-broken teeth.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figs. 1-3, in the embodiment of the utility model, a high-efficiency urban sludge drying and crushing device includes a base 1, a left support 2, a drying barrel 7 and a right support 12; the left support 2 and the right The bracket 12 is symmetrically installed on the base 1, the drying bucket 7 is located inside the left bracket 2 and the right bracket 12, and the middle position of the drying bucket 7 is provided with a rotating shaft 4, and the left and right sides of the drying bucket 7 pass through the bearings. Rotationally connected with the rotating shaft 4; the rotating shaft 4 is a hollow structure, and the left end of the rotating shaft 4 is rotatably installed inside the left bracket 2, and the right end of the rotating shaft 4 is rotatably installed inside the right bracket 12, and the rotating shaft 4 is located in the drying barrel 7 The inner part is symmetrically provided with a number of stirring rods 5, and the end of the stirring rod 5 is fixed with a scraper 6, and the scraper 6 is close to the inner wall of the drying barrel 7, and the stirring rod 5 and the scraper 6 stir the sludge to make the sludge The mud is evenly distributed in the inside of the drying barrel 7 to improve the drying effect. After the sludge is dried, the blocky sludge is broken up; the stirring rod 5 is evenly equipped with a number of crushing teeth 20, and the crushing teeth 20 will dry the sludge. The dried sludge is broken into fine particles to facilitate the discharge of the sludge; the right end of the rotating shaft 4 is fixedly equipped with a first gear 10, and the inside of the right bracket 12 is also fixedly equipped with a rotating motor, and the output end of the rotating motor is fixed. A second gear 11 is installed, and the second gear 11 meshes with the first gear 10, and the rotating motor drives the second gear 11 to rotate, thereby driving the rotating shaft 4 to rotate through the first gear 10; There is a heating plate 9, and the heating plate 9 dries the sludge inside the drying bucket 7 to speed up the drying speed; the outside of the drying bucket 7 is fixed with a ring gear 18, and the rear side of the left bracket 2 is also The drive gear 19 that drives the ring gear 18 to rotate is provided with a reduction motor that drives the drive gear 19 to rotate. The ring gear 18 drives the drying barrel 7 to rotate, so that the sludge inside the drying barrel 7 is evenly distributed, and the drying effect is improved; the upper side of the drying barrel 7 is provided with a sludge inlet 8, so that the sludge can be added and dried. The lower side of the dry barrel 7 is provided with a sludge outlet 14 for the discharge of sludge; the left end of the rotating shaft 4 is connected with a steam inlet pipe 3, and a heating device 17 is arranged on the steam inlet pipe 3 so as to heat water into high-temperature steam The right end of the rotating shaft 4 is communicated with an exhaust pipe 13 for the discharge of steam after use, and the exhaust end of the exhaust pipe 13 is communicated with a preheating pipe 15 so that high-temperature steam can be passed into the inside of the preheating pipe 15 , the steam inlet end of the steam inlet pipe 3 is located inside the preheating pipe 15, after the water is passed into from the steam inlet end, the high temperature steam inside the preheating pipe 15 preheats the incoming water, so that the incoming water has a higher temperature , the incoming water is subsequently heated by the heating device 17 into high-temperature steam; the bottom of the preheating pipe 15 is provided with a drain port 16, and after heat exchange between the high-temperature steam and the incoming water, it is cooled into liquid water and discharged from the drain port 16; Both the stirring rod 5 and the scraper 6 are hollow structures, and the scraper 6 communicates with the rotating shaft 4 through the stirring rod 5, and the high-temperature steam entering the inside of the rotating shaft 4 then enters the stirring rod 5 and scraper 6, and heat the sludge inside the drying barrel 7 to increase the sludge drying speed.

The working principle of the utility model is: the high-efficiency urban sludge drying and crushing device adds sludge to be dried from the sludge inlet 8, closes the sludge inlet, starts the rotating motor and the reduction motor, opens the heating plate 9, And pass water to the steam inlet pipe 3; the inlet water in the steam inlet pipe 3 is heated by the heating device 17 to become high-temperature water vapor, and the high-temperature steam enters the rotating shaft 4, the stirring rod 5 and the scraper 6 subsequently, and is heated to the inside of the drying barrel 7 The sludge is heated; the rotating motor drives the second gear 11 to rotate, thereby driving the rotating shaft 4 to rotate through the first gear 10, and the rotation 4 drives the stirring rod 5 and the scraper 6 to rotate inside the drying barrel 7, so that the drying barrel 7 The internal sludge is evenly distributed, which increases the drying speed. At the same time, the reduction motor drives the driving gear 19 to rotate, thereby driving the drying barrel 7 to rotate through the ring gear 18. The rotating direction of the drying barrel 7 is opposite to that of the rotating shaft 4 , to further accelerate the drying speed of the sludge; the high-temperature steam entering the rotating shaft 4 enters the exhaust pipe 13 from the right end of the rotating shaft 4 after completing the heat exchange, and the high-temperature steam then enters the preheating pipe 15 and is connected with the preheating pipe 15 The inlet water in the tank is subjected to heat exchange, so that the inlet water has a higher temperature. After heat exchange between the high-temperature steam and the inlet water, it is cooled into liquid water and discharged from the outlet 16; after drying, it is discharged from the sludge outlet 14. Sludge will do.

The utility model arranges a ring gear outside the drying barrel, and sets a rotating shaft with a stirring rod inside the drying barrel, and adopts a combination of steam drying and heating plate drying at the same time, so as to improve the sludge drying efficiency and save waste. Sludge treatment time; there are also crushing teeth and scrapers on the stirring rod to break up the dried lumpy sludge for subsequent processing; there is also a preheating pipe to use the discharged high-temperature steam to save heat energy .

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (9)

1. A high-efficiency municipal sludge drying and crushing device, characterized in that it includes a base (1), a left bracket (2), a drying barrel (7) and a right bracket (12); the left bracket (2) and the right bracket (12) are symmetrically installed on the base (1), the drying bucket (7) is located inside the left bracket (2) and the right bracket (12), and the middle position of the drying bucket (7) is provided with The rotating shaft (4); the rotating shaft (4) is a hollow structure, and the left end of the rotating shaft (4) is rotatably installed inside the left bracket (2), and the right end of the rotating shaft (4) is rotatably installed inside the right bracket (12), The part of the rotating shaft (4) located inside the drying barrel (7) is symmetrically provided with several stirring rods (5); the right end of the rotating shaft (4) is fixedly equipped with a first gear (10), and the right bracket (12) A rotating motor is also fixedly installed inside the rotating motor, and a second gear (11) is fixedly installed on the output end of the rotating motor, and the second gear (11) and the first gear (10) mesh with each other; the upper part of the drying barrel (7) There is a sludge inlet (8) on the side, and a sludge outlet (14) on the lower side of the drying barrel (7); the left end of the rotating shaft (4) is connected with a steam inlet pipe (3), and the steam inlet pipe (3 ) is provided with a heating device (17), and the right end of the rotating shaft (4) is communicated with an exhaust pipe (13). 2. The high-efficiency municipal sludge drying and crushing device according to claim 1, characterized in that the left and right sides of the drying barrel (7) are rotatably connected to the rotating shaft (4) through bearings. 3. The high-efficiency municipal sludge drying and crushing device according to claim 1, characterized in that a scraper (6) is fixedly installed at the end of the stirring rod (5), and the scraper (6) is close to the drying inner wall of barrel (7). 4. The high-efficiency municipal sludge drying and crushing device according to claim 1, characterized in that a number of crushing teeth (20) are uniformly arranged on the stirring rod (5). 5. The high-efficiency municipal sludge drying and crushing device according to claim 1, characterized in that a heating plate (9) is also provided on the inner wall of the drying barrel (7). 6. The high-efficiency municipal sludge drying and crushing device according to claim 1, characterized in that a ring gear (18) is fixedly installed on the outside of the drying barrel (7), and the left bracket (2) The rear side is also provided with a drive gear (19) that drives the ring gear (18) to rotate. The drive gear (19) is provided with a reduction motor that drives the drive gear (19) to rotate. The rotation direction of the reduction motor is opposite to that of the rotary motor. . 7. The high-efficiency municipal sludge drying and crushing device according to claim 1, characterized in that, the exhaust end of the exhaust pipe (13) is connected with a preheating pipe (15), and the steam inlet pipe ( 3) The steam inlet end is located inside the preheating pipe (15). 8. The high-efficiency municipal sludge drying and crushing device according to claim 7, characterized in that a drain (16) is provided at the bottom of the preheating pipe (15). 9. The high-efficiency municipal sludge drying and crushing device according to claim 1, characterized in that, the stirring rod (5) and the scraper (6) are both hollow structures, and the scraper (6) passes through the stirring rod (5) communicate with the rotating shaft (4).