CN213901115U

CN213901115U - Double-layer rotary drum type garbage drying device

Info

Publication number: CN213901115U
Application number: CN202022600004.7U
Authority: CN
Inventors: 陈秋松
Original assignee: Chongqing Qiusong Environmental Protection Technology Co ltd
Current assignee: Chongqing Qiusong Environmental Protection Technology Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-08-06
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a double-deck rotary drum formula rubbish drying device, including the mounting bracket, the symmetry sets up preceding head on the mounting bracket is in with back head, setting hot flue gas circulation room between preceding head and the back head, and cup joint indoor rotary drum of hot flue gas circulation, wherein: the hot flue gas circulation chamber is provided with a hot flue gas inlet and a hot flue gas outlet. The effect is as follows: the hot flue gas generated by the incinerator is used as a heat source, and the heat exchange treatment is carried out on the garbage in the rotary drum through the hot flue gas circulation chamber, so that the garbage is fully dried.

Description

Double-layer rotary drum type garbage drying device

Technical Field

The utility model relates to a technical field that domestic waste handled especially relates to a double-deck rotary drum formula rubbish drying device.

Background

Because the existing capacity is excessive, the recovery cost of the waste products in life is too high, people do not want to recover the waste products, and the waste products become visible garbage everywhere. At present, the conventional garbage disposal means is landfill, for landfill, the occupied area of the landfill garbage in each city reaches tens of acres of land every day, and as the land is less and less, the landfill garbage becomes an urgent need replacing mode, so that the garbage incineration disposal means is provided, although a large amount of toxic and harmful gases are generated in the garbage incineration process, the pollution can be obviously reduced through the tail gas treatment in the later period.

Before the incineration of the garbage, the drying treatment of the garbage is an important process. The drying of rubbish generally uses the hot flue gas that burns burning furnace and produce as the heat source, simultaneously because the higher characteristics of rubbish moisture content, from the drying device type, rotary drum formula drying device has better drying effect. However, the conventional rotary drum type drying device realizes garbage drying by directly contacting hot flue gas generated by the incinerator with garbage, so that when waste gas generated in the drying process is discharged along with the hot flue gas, partial components and particles in the garbage can be taken away by the hot flue gas, and not only is the burden of a dust removal facility increased, but also the difficulty in hot flue gas treatment is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a double-deck rotary drum formula waste drying device utilizes the hot flue gas that burns burning furnace production as the heat source, carries out heat transfer treatment through the rubbish in hot flue gas circulation room and the rotary drum to the realization is to the abundant drying of rubbish.

In order to achieve the above object, the utility model provides an at first there is provided a double-deck rotary drum formula rubbish drying device, its key lies in, including the mounting bracket, the symmetry sets up preceding head and back head on the mounting bracket, setting are in hot flue gas circulation room between preceding head and the back head, and cup joint the indoor rotary drum of hot flue gas circulation, cup joint respectively at the both ends of rotary drum preceding head with on the back head, wherein: the hot flue gas circulation chamber is provided with a hot flue gas inlet and a hot flue gas outlet.

Furthermore, the rotary drum is fixedly sleeved with at least two lantern rings, each lantern ring is supported on the mounting frame through the riding wheel assembly, a gear ring is further arranged close to the lantern ring, and the gear ring is driven by the first speed reduction motor.

Furthermore, a spiral blade is arranged in the rotary drum, two ends of the spiral blade respectively extend to the feeding port and the discharging port, and the spiral blade is driven by a second speed reducing motor arranged on the front end enclosure.

Furthermore, the front seal head, the rear seal head and the hot flue gas circulation chamber are respectively provided with a sealing assembly which is used for being in sealing connection with the rotary drum.

Furthermore, the sealing assembly comprises a plurality of elastic sheets which are uniformly distributed around the periphery of the rotary drum, and every two adjacent elastic sheets are staggered and overlapped.

Furthermore, the rear end enclosure is also communicated with a negative pressure pipeline.

Further, the inner side wall of the drum is provided with a scraper.

Compared with the prior art, the utility model discloses a show the effect and do:

(1) the utility model utilizes the hot flue gas generated by the incinerator as a heat source to exchange heat with the garbage in the rotary drum through the hot flue gas circulation chamber, thereby realizing the sufficient drying of the garbage, and simultaneously, because the hot flue gas circulation chamber and the rotary drum are independent from each other, the heat is led in through the outer side wall of the rotary drum, thereby avoiding the defect that the hot flue gas directly contacts the garbage;

(2) because the rotary drum is sleeved in the hot flue gas circulation chamber, when hot flue gas generated by the incinerator circulates in the hot flue gas circulation chamber, the peripheral side of the rotary drum can be uniformly heated, so that garbage pulp attached to the inner side wall of the rotary drum can be quickly dried, and the garbage drying efficiency is improved;

(3) the supporting and driving structure of the rotary drum is arranged outside, so that the maintenance of workers is more convenient in long-term use, and meanwhile, the production and use cost is reduced due to the relatively simple structure;

(4) a spiral blade is arranged in the rotary drum, two ends of the spiral blade respectively extend to the feeding port and the discharging port, and the spiral blade is driven by a second speed reducing motor arranged on the front end enclosure;

(5) under the action of the helical blade and the second speed reducing motor, the rotary drum can be horizontally installed, so that the garbage conveying speed can be controlled by the second speed reducing motor, the garbage combustible materials are prevented from being taken away by airflow when the water content is lower than a certain value, sufficient drying time is ensured, and the drying effect is improved;

(6) the sealing assembly is sealed by the elastic pieces in a staggered and overlapped mode, compared with the traditional shaft seal, the structure is simpler, when the air tightness leakage is generated at the connecting position of the rotary drum and other components, only the corresponding elastic pieces need to be replaced without dismounting the whole sealing assembly, the operation is time-saving and labor-saving, and the maintenance and labor cost is saved;

(7) the outside of the rotary drum forms a certain negative pressure interval by utilizing the negative pressure pipeline, so that the stink of the garbage is prevented from being emitted into the air from the feeding port and the discharging port, meanwhile, the temperature of the air in a negative pressure area is higher than the normal temperature due to the bidirectional heat conduction of the hot flue gas circulation cavity, and a certain drying effect can be realized when the air flows through the rotary drum;

(8) the scraper blade can drive rubbish and rotate along with the rotation of rotary drum, avoids rubbish to pile up in the bottom of rotary drum.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a first embodiment of the present invention;

fig. 2 is a cross-sectional view of a first embodiment of the present invention;

reference numbers in the figures: the device comprises a mounting frame 1, a front seal head 2, a rear seal head 3, a hot flue gas circulation chamber 4, a rotary drum 5, a feeding port 6, a discharging port 7, a hot flue gas inlet 8, a hot flue gas outlet 9, a lantern ring 10, a carrier wheel assembly 11, a gear ring 12, a first speed reducing motor 13, a helical blade 14, a second speed reducing motor 17, a sealing assembly 18, a negative pressure pipeline 19 and a scraper 20.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Fig. 1 and 2 show a first exemplary embodiment of the invention: the utility model provides a double-deck rotary drum formula rubbish drying device, its characterized in that, includes mounting bracket 1, the symmetry sets up preceding head 2 and back head 3 on the mounting bracket 1, set up and be in hot flue gas circulation room 4 between preceding head 2 and the back head 3, and cup joint rotary drum 5 in the hot flue gas circulation room 4, the both ends of rotary drum 5 cup joint respectively preceding head with on the back head, wherein: the hot flue gas circulation chamber 4 is provided with a hot flue gas inlet 8 and a hot flue gas outlet 9.

Specifically, the rotating drum 5 is fixedly sleeved with at least two collars 10, each collar 10 is supported on the mounting frame 1 through a carrier wheel assembly 11, a gear ring 12 is further arranged near the collar 10, and the gear ring 12 is driven by a first speed reduction motor 13

Specifically, a helical blade 14 is arranged in the rotating cylinder 5, two ends of the helical blade 14 extend to the feeding port 6 and the discharging port 7 respectively, and the helical blade 14 is driven by a second speed reduction motor 17 installed on the front head 2.

Specifically, the front seal head 2, the rear seal head 3 and the hot flue gas circulation chamber 4 are all provided with sealing components 18 for being in sealing connection with the rotary drum 5.

Specifically, the sealing assembly 18 includes a plurality of elastic pieces uniformly distributed around the circumference of the drum 5, and two adjacent elastic pieces are stacked in a staggered manner.

Specifically, the rear end enclosure 3 is also communicated with a negative pressure pipeline 19.

Specifically, the inner side wall of the drum 5 is provided with a scraper 20.

In the first embodiment, the first speed reduction motor 13 and the second speed reduction motor 17 are started, the hot flue gas inlet 8 and the hot flue gas outlet 9 of the hot flue gas flowing chamber 4 are respectively communicated with the air outlet and the air inlet of the incinerator, and the negative pressure pipeline 19 is connected to a pipeline communicated with the hot flue gas outlet 9 and the air inlet. When the garbage enters from the feeding port 6, the garbage gradually enters the rotary drum 5 under the driving of the spiral blade 14, under the action of the second speed reducing motor 17, the garbage is picked up by the scraping blade along with the rotation of the rotary drum, and meanwhile, because the hot flue gas continuously circulates in the hot flue gas circulation chamber 4, the garbage in the rotary drum 5 can be continuously dried.

To sum up, the utility model utilizes the hot flue gas generated by the incinerator as a heat source to exchange heat with the garbage in the rotary drum 5 through the hot flue gas circulation chamber 4, thereby realizing the sufficient drying of the garbage, and simultaneously, because the hot flue gas circulation chamber 4 and the rotary drum 5 are independent from each other, the heat is led in through the outer side wall of the rotary drum 5, thereby avoiding the defect that the hot flue gas directly contacts the garbage; because the rotary drum 5 is sleeved in the hot flue gas circulation chamber 4, when hot flue gas generated by the incinerator circulates in the hot flue gas circulation chamber 4, the peripheral side of the rotary drum 5 can be uniformly heated, so that garbage slurry attached to the inner side wall of the rotary drum 5 is quickly dried, and the garbage drying efficiency is improved; the supporting and driving structure of the rotary drum 5 is arranged outside, so that the maintenance of workers is more convenient in long-term use, and meanwhile, the production and use cost is reduced due to the relatively simple structure; a spiral blade 14 is arranged in the rotating cylinder 5, two ends of the spiral blade 14 respectively extend to the feeding port 6 and the discharging port 7, and the spiral blade 14 is driven by a second speed reducing motor 17 arranged on the front end enclosure 2; under the action of the helical blades 14 and the second speed reducing motor 17, the rotary drum 5 can be horizontally installed, so that the garbage conveying speed can be controlled through the second speed reducing motor 17, the garbage combustible materials are prevented from being taken away by airflow when the water content is lower than a certain value, sufficient drying time is ensured, and the drying effect is improved; the sealing assembly 18 is sealed by the elastic pieces in a staggered and overlapped mode, compared with the traditional shaft seal, the structure is simpler, when the air tightness leakage is generated at the connecting position of the rotary drum 5 and other components, only the corresponding elastic pieces need to be replaced without dismounting the whole sealing assembly 18, the operation is time-saving and labor-saving, and the maintenance and labor cost is saved; the outside of the rotary drum 5 forms a certain negative pressure interval by utilizing the negative pressure pipeline 19, thereby preventing the stink of the garbage from being emitted into the air from the feeding port 6 and the discharging port 7, meanwhile, because the hot flue gas circulation cavity conducts heat in two directions, the air temperature of the negative pressure area is higher than the normal temperature, when the air flows through the rotary drum 5, a certain drying effect can be achieved, in addition, the air contacted with the garbage is cleaner, and the oxygen content is sufficient, therefore, even if partial components taking away the garbage can still be sent to the incinerator for combustion supporting; the scraper 20 can drive the garbage to rotate along with the rotation of the rotary drum 5, so that the garbage is prevented from being accumulated at the bottom of the rotary drum 5.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a double-deck rotary drum formula rubbish drying device, its characterized in that, includes the mounting bracket, the symmetry sets up preceding head and back head on the mounting bracket, set up and be in hot flue gas circulation room between preceding head and the back head, and cup joint the indoor rotary drum of hot flue gas circulation, cup joint respectively at the both ends of rotary drum preceding head with on the back head, wherein: the hot flue gas circulation chamber is provided with a hot flue gas inlet and a hot flue gas outlet.

2. The dual-deck rotary drum refuse drying apparatus in accordance with claim 1, wherein said drum is fixedly mounted with at least two collars, each of said collars being supported on said mounting frame by a carrier roller assembly, and further comprising a toothed ring adjacent to said collars, said toothed ring being driven by a first reduction motor.

3. The double-layer rotary drum type garbage drying device according to claim 1, wherein a helical blade is arranged in the rotary drum, two ends of the helical blade extend to the feeding port and the discharging port respectively, and the helical blade is driven by a second speed reduction motor arranged on the front head.

4. The double-layer rotary drum type garbage drying device as claimed in claim 1, wherein the front sealing head, the rear sealing head and the hot flue gas circulation chamber are provided with sealing components for being in sealing connection with the rotary drum.

5. The dual-layer rotary drum garbage drying device according to claim 4, wherein the sealing assembly comprises a plurality of elastic sheets uniformly distributed around the circumference of the rotary drum, and two adjacent elastic sheets are staggered and overlapped.

6. The double-layer rotary drum type garbage drying device as claimed in any one of claims 1 to 5, wherein a negative pressure pipeline is further communicated with the rear end enclosure.

7. A dual-deck rotary drum refuse drying apparatus according to any one of claims 1 to 5, wherein scrapers are provided on the inner side wall of the rotary drum.