CN217540745U

CN217540745U - Cement kiln co-processing garbage system

Info

Publication number: CN217540745U
Application number: CN202220735772.XU
Authority: CN
Inventors: 刘木堂
Original assignee: Nanjing Wanyong Environmental Protection Technology Co ltd
Current assignee: Nanjing Wanyong Environmental Protection Technology Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-10-04
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a cement kiln co-processing garbage system, which comprises a garbage pool, an incinerator, a preheater decomposing furnace and a crusher, wherein the garbage pool, the incinerator and the preheater decomposing furnace are sequentially arranged; the garbage pool is connected with the incinerator through a conveying belt; a feeding mechanism for conveying the garbage is arranged between the garbage pool and the conveying belt; the crusher is arranged between the garbage pool and the conveying belt; a dust removal mechanism is arranged above the crusher; the dust removal mechanism comprises a U-shaped frame and a movable frame; the U-shaped frame is arranged on the upper end surface of the crusher and at one side of the feed inlet; the movable frame is arranged above the U-shaped frame in a horizontally movable manner along the length direction of the movable frame, and a dust collection assembly is arranged on one side of the movable frame, which is close to the feed port; racks are arranged on two sides of the inner wall of the movable frame; the rotating wheel is rotatably arranged on the upper end face of the U-shaped frame, and a section of sector gear teeth meshed with the rack is arranged on the rotating wheel. The utility model discloses can remove dust, take up an area of the space little, arrange in a flexible way, reduce the heat loss.

Description

Cement kiln garbage disposal system in coordination

Technical Field

The utility model relates to a refuse handling installation technical field specifically is a cement kiln refuse disposal system in coordination.

Background

The basic principle of the cement kiln synergistic treatment method is that garbage is combusted, pyrolysis gas is generated by heat generated by garbage combustion, the pyrolysis gas is used as fuel and sent to a cement kiln decomposing furnace for use, and residues after combustion are used as cement raw materials and sent to a cement raw material mill. At present, the cement kiln deals with solid wastes such as domestic waste in coordination, there are two kinds of technological schemes mainly, the first scheme is that the domestic waste that gets into in the factory carries out earlier stage treatment earlier, if crushing, fermentation, screening, magnetic separation and so on technology, useful material is selected out, then remaining material directly sends into the cement kiln dore furnace incineration disposal through not burning furnace, this kind of scheme needs highly subdividing rubbish, the step is loaded down with trivial details, can store the broken workshop setting with cement kiln dore furnace and rubbish and conveniently manage in the same place usually, the required place in refuse disposal workshop is huge, many cement plants do not have this space, whole cement plant temperature is bad smell simultaneously, meanwhile, rubbish is when the crushing process, the dust that the breakage produced can be discharged from the feed inlet, the polluted environment, influence workman's health. The other scheme is that the domestic garbage entering a factory is not treated or simply crushed and is directly sent into different incinerators for incineration, the waste gas generated by incineration is sent into a cement kiln decomposing furnace for treatment, the discharged slag is sent into a grinding station to be treated as a mixed material, but high-temperature smoke is conveyed to a cement line through a long-distance pipeline, the temperature loss is large, the energy consumption and heat consumption of the cement line are increased more, the pipeline usually adopts steel, and is lined with high-temperature refractory castable, so that the cost is high, and therefore, the cement kiln cooperative garbage treatment system capable of removing dust, occupying small space, being flexible in arrangement and reducing heat loss is provided.

SUMMERY OF THE UTILITY MODEL

In view of the technical problem who exists among the background art, the utility model provides a cement kiln coprocessing garbage system that occupation of land space is little, arrange in a flexible way, combustion efficiency is high, reduce the heat loss. In order to achieve the above object, the utility model provides a following technical scheme:

the cement kiln co-processing garbage system comprises a garbage pool, an incinerator, a preheater decomposing furnace and a crusher, wherein the garbage pool, the incinerator and the preheater decomposing furnace are sequentially arranged; the garbage pool is connected with the incinerator through a conveying belt; a horizontally moving feeding mechanism for conveying the garbage is arranged between the garbage pool and the conveying belt; the crusher is arranged between the garbage pool and the conveying belt; a dust removal mechanism is arranged above the crusher;

the dust removing mechanism comprises a U-shaped frame, a movable frame and a rotating wheel; the U-shaped frame is provided with a downward opening and is arranged on the upper end surface of the crusher and at one side of the feed inlet; the movable frame can be horizontally arranged above the U-shaped frame along the length direction of the movable frame, and a dust collection assembly for collecting dust above the feed port is arranged on one side, close to the feed port, of the movable frame; racks are arranged on two sides of the inner wall of the movable frame; the rotating wheel is rotatably arranged on the upper end face of the U-shaped frame, and a section of gear teeth meshed with the rack is arranged on the rotating wheel.

The dust removal mechanism further comprises a connecting rod and a limiting block; the limiting block is arranged among the upper end surface of the crusher, the feed inlet and the U-shaped frame, and a through groove for accommodating the connecting rod to pass through is formed in the limiting block; connecting rod one end is connected with the removal frame, and the logical groove that the stopper was stretched out to the other end links to each other with dust collection assembly.

The dust removal mechanism also comprises a dust collection box and a plastic extension pipe; the dust collection box is arranged on the upper end surface of the crusher; one end of the plastic extension pipe is communicated with the dust collection box, and an exhaust fan is arranged at the communication position; the dust collection component adopts a dust collection cover; the other end of the plastic extension tube is communicated with the dust hood, and the opening of the dust hood faces downwards.

The cement kiln garbage co-processing system also comprises a flue gas pipeline; the incinerator adopts a fluidized furnace; the fluidized furnace and the preheater decomposing furnace are arranged side by side, and a flue gas outlet is arranged at the upper end of the fluidized furnace and communicated with the preheater decomposing furnace through a flue gas pipeline.

The cement kiln garbage coprocessing system also comprises a feeder; and a feeding machine capable of sealing and conveying materials is arranged between the conveying belt and the fluidized furnace.

The feeding mechanism adopts a grab bucket.

And a valve is arranged on the flue gas pipeline.

The cement kiln co-processing garbage system also comprises a slag cooler, a lifter, a rotary kiln and a material conveying mechanism; the slag discharge port at the lower part of the fluidized furnace body is communicated with the slag cooler; the slag cooler is connected with the vibrating screen through a material conveying mechanism; the hoister and the rotary kiln are respectively connected with the vibrating screen through a material conveying mechanism.

The utility model has the advantages that:

1. the utility model arranges the dust collection component which can move horizontally in a reciprocating way above the feed inlet of the crusher to adsorb dust floating out of the feed inlet of the crusher, thereby effectively reducing environmental pollution;

2. the incinerator adopts a fluidized furnace, the garbage pool workshops and the fluidized furnace are separately arranged and connected through a conveying belt, and all the workshops are arranged in the existing plant area through seam pins, so that the workshops are flexibly arranged, special occupied space is not needed, and occupied space is small;

3. the fluidized furnace and the cement kiln decomposing furnace are integrally designed, the flue gas pipeline is short, the heat loss is low, the heat utilization efficiency of the whole system is high, and meanwhile, the maintenance work of the flue gas pipeline in the later period is low.

Drawings

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

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of the system for co-processing garbage in a cement kiln of the present invention;

in the figure, 1-a garbage pool, 2-a grab bucket, 3-a crusher, 4-a conveying belt, 5-a feeder, 6-an incinerator, 7-a valve, 8-a feeding mechanism, 9-a conveying mechanism, 10-a lifter, 11-a slag cooler, 12-a vibrating screen, 13-a rotary kiln, 14-a preheater decomposing furnace, 15-a feed inlet, 16-a dedusting mechanism, 17-a U-shaped frame, 18-a moving frame, 19-a dust hood, 20-a rotating wheel, 2001-a gear tooth, 21-a connecting rod, 22-a limiting block, 2201-a through groove, 23-a dust collection box, 24-a plastic telescopic pipe, 25-a rack, 26-a flue gas pipeline, 27-a motor and 28-a slag discharge port.

Detailed Description

With reference to fig. 1 to 3, a cement kiln co-processing garbage system comprises a garbage pool 1, an incinerator 6 and a preheater decomposing furnace 14 which are sequentially arranged, wherein the garbage pool 1 and the incinerator 6 are independently arranged and connected through a conveying belt 4, the length of the belt can exceed 100 meters and even be longer, each workshop is arranged by inserting pins at a seam in the existing factory area, and the workshop arrangement is flexible; a horizontally moving feeding mechanism 8 for conveying the garbage is arranged between the garbage pool 1 and the conveying belt 4; the cement kiln co-processing garbage system also comprises a crusher 3; the crusher 3 is arranged between the garbage pool 1 and the conveying belt 4, and large garbage can be firstly conveyed to the crusher 3 by the feeding mechanism 8 to be crushed. A dust removal mechanism 16 is arranged above the crusher;

the dust removing mechanism 16 comprises a U-shaped frame 17, a moving frame 18 and a rotating wheel 20; a feed inlet 15 communicated with the crusher 3 is arranged above the crusher 3, an opening of a U-shaped frame 17 is downward, and the U-shaped frame 17 is arranged at the position of the upper end surface of the crusher 3 and one side of the feed inlet 15; the movable frame 18 is arranged above the U-shaped frame 17 in a manner of horizontally moving along the length direction of the movable frame 18, and a dust collection assembly for collecting dust above the feed port 15 is arranged on one side, close to the feed port 15, of the movable frame 18; racks 25 are arranged on two sides of the inner wall of the movable frame 18; the rotating wheel 20 is rotatably arranged on the upper end surface of the U-shaped frame 17, and the rotating wheel 20 is provided with a sector section of gear teeth 2001 meshed with the rack 25, and the radian of the sector is 120 degrees.

The dust removing mechanism 16 further comprises a connecting rod 21 and a limiting block 22; the limiting block 22 is arranged at a position among the upper end surface of the crusher 3, the feed inlet 15 and the U-shaped frame 17, and a through groove 2201 for accommodating the connecting rod 21 to pass through is arranged on the limiting block 22; connecting rod 21 one end is connected with removing frame 18, and the other end stretches out stopper 22's logical groove 2201 and links to each other with dust collecting assembly, and connecting rod 21 drives under stopper 22 leads to the spacing of groove 2201 and removes frame 18 and can only remove along removing frame 18 length direction.

The dust removing mechanism 16 also comprises a dust collecting box 23 and a plastic extension tube 24; the dust collection box 23 is arranged on the upper end surface of the crusher 3; one end of the plastic extension tube 24 is communicated with the dust collection box 23, and an exhaust fan is arranged at the communication position; the dust collection component adopts a dust collection cover 19; the other end of the plastic extension tube 24 is communicated with the dust hood 19, and the opening of the dust hood 19 faces downwards.

The incinerator adopts an incinerator 6; the upper end of the incinerator 6 is provided with a flue gas outlet, the flue gas outlet is communicated with the preheater decomposing furnace 14 through a flue gas pipeline 26, flue gas generated by the incinerator 6 is directly sent to the preheater decomposing furnace 14 through the flue gas pipeline 26, the length of the flue gas pipeline 26 can be as short as 10 meters, heat loss is very low, the heat utilization efficiency of the whole system is high, and meanwhile, the maintenance work of the later-stage flue gas pipeline 26 is low.

The mud kiln garbage coprocessing system also comprises a feeder 5; be equipped with the batcher 5 that can seal the transported substance material between conveyor belt 4 and the burning furnace 6, rubbish is carried to batcher 5 through conveyor belt 4, seals through batcher 5 and carries to burning furnace 6 in, domestic waste is in burning furnace 6 fluidization combustion processing.

The feeding mechanism 8 adopts a grab bucket 2.

The flue gas pipeline 26 is provided with a valve 7, and the valve 7 controls the operation condition in the incinerator 6.

The cement kiln garbage co-processing system also comprises a slag cooler 11, a lifter 10, a rotary kiln 13 and a material conveying mechanism 9; a slag discharge port 28 at the lower part of the incinerator 6 body is communicated with the slag cooler 11; the slag cooler 11 is connected with the vibrating screen 12 through the material conveying mechanism 9; the hoister 10 and the rotary kiln 13 are respectively connected with the vibrating screen 12 through the conveying mechanism 9, the incombustible materials after combustion treatment are discharged to the slag cooler 11 through the slag discharge port 28 at the lower part of the incinerator 6 body for cooling, the cooled materials are sent to the vibrating screen 12 through the conveying mechanism 9 for separation, and fine sand-shaped materials and large materials are separated. The fine sand-shaped materials can be conveyed into the furnace through the hoister 10 to be used as the supplement of bed materials, redundant fine sand-shaped materials can be discharged through the discharge port, valuable metal substances can be separated out after large materials are discharged, and the rest inert substances are conveyed to the rotary kiln 13 to be used as mixed materials for comprehensive treatment.

As shown in fig. 1-3, the working principle and flow of the present invention are as follows:

as shown in fig. 1-2, in an initial state, the dust hood 19 is located on one side of the feed port 15, and the crusher 3 is not interfered in the feeding process, but when dust removal is required, the motor 27 and the exhaust fan are started, the motor 27 drives the rotating wheel 20 to rotate counterclockwise, when the gear teeth 2001 are engaged with the rack 25 on the inner upper side of the moving frame 18, the moving frame 18 is pushed to move horizontally towards the position close to the feed port 15, when the rotating wheel 20 continues to rotate counterclockwise, and the gear teeth 2001 on the rotating wheel 20 are engaged with the rack 25 on the inner lower side of the moving frame 18, the moving frame 18 is pushed to move horizontally away from the feed port 15, and further the moving frame 18 is driven to move horizontally in a reciprocating manner, so that the dust hood 19 on one side of the moving frame 18 moves in a reciprocating manner above the feed port 15, and under the action of the exhaust fan, the dust hood 19 above the feed port 15 sucks dust from the feed port 15 into the dust collection box 23 through the plastic extension tube 24.

The household garbage is conveyed to a garbage pool 1 in a factory building through a garbage cleaning and transporting vehicle, is stored in the garbage pool 1, is grabbed and conveyed to a long conveying belt 4 through a grab bucket 2 arranged at the upper part of the factory building, and can be grabbed and conveyed to a crusher 3 firstly for crushing treatment. Garbage is conveyed to the feeding machine 5 through the conveying belt 4 and is hermetically conveyed to the incinerator 6 through the feeding machine 5, and domestic garbage is subjected to fluidized combustion treatment in the incinerator 6.

The flue gas generated by combustion is sent to the preheater decomposing furnace 14 through a flue gas outlet at the upper part of the incinerator 6 through a flue gas pipeline 26 for high temperature treatment again, and a valve is arranged on the flue gas pipeline 26 to control the operation condition in the incinerator 6.

The incombustible materials after the combustion treatment are discharged to a slag cooler 11 through a slag discharge port 28 at the lower part of the incinerator 6 body for cooling, and the cooled materials are conveyed to a vibrating screen 12 through a material conveying mechanism 9 for sorting to sort out fine sand-shaped materials and large materials. The fine sand-shaped materials can be conveyed into the furnace through the hoister 10 to be used as the supplement of bed materials, and the redundant fine sand-shaped materials can be discharged through the discharge port. Valuable metal substances can be separated from the bulk materials after the bulk materials are discharged, and the rest inert substances are sent to the rotary kiln 13 to be used as mixed materials for comprehensive treatment.

Claims

1. The utility model provides a cement kiln coprocessing refuse system, is including the rubbish pond that sets gradually, burn burning furnace and pre-heater dore furnace, its characterized in that: the cement kiln garbage co-processing system also comprises a crusher; the garbage pool and the incinerator are connected through a conveying belt; a horizontally moving feeding mechanism for conveying the garbage is arranged between the garbage pool and the conveying belt; the crusher is arranged between the garbage pool and the conveying belt; a dust removal mechanism is arranged above the crusher;

the dust removing mechanism comprises a U-shaped frame, a movable frame and a rotating wheel; the U-shaped frame is provided with a downward opening and is arranged on the upper end surface of the crusher and at one side of the feed inlet; the movable frame is arranged above the U-shaped frame in a horizontally movable manner along the length direction of the movable frame, and a dust collection assembly for collecting dust above the feed port is arranged on one side of the movable frame, which is close to the feed port; racks are arranged on two sides of the inner wall of the movable frame; the rotating wheel is rotatably arranged on the upper end face of the U-shaped frame, and a section of gear teeth meshed with the rack is arranged on the rotating wheel.

2. The cement kiln co-processing waste system as claimed in claim 1, wherein: the dust removing mechanism also comprises a connecting rod and a limiting block; the limiting block is arranged among the upper end face of the crusher, the feed inlet and the U-shaped frame, and a through groove for allowing the connecting rod to pass through is formed in the limiting block; connecting rod one end is connected with the removal frame, and the logical groove that the stopper was stretched out to the other end links to each other with dust collection assembly.

3. The cement kiln garbage co-processing system as claimed in claim 2, wherein: the dust removal mechanism also comprises a dust collection box and a plastic extension pipe; the dust collection box is arranged on the upper end surface of the crusher; one end of the plastic extension pipe is communicated with the dust collection box, and an exhaust fan is arranged at the communication position; the dust collection component adopts a dust collection cover; the other end of the plastic extension tube is communicated with the dust hood, and the opening of the dust hood faces downwards.

4. The cement kiln co-processing waste system as claimed in claim 3, wherein: the cement kiln garbage co-processing system also comprises a flue gas pipeline; the incinerator adopts a fluidized furnace; the fluidized furnace and the preheater decomposing furnace are arranged side by side, and a flue gas outlet is arranged at the upper end of the fluidized furnace and communicated with the preheater decomposing furnace through a flue gas pipeline.

5. The cement kiln co-processing waste system as claimed in claim 4, wherein: the cement kiln garbage co-processing system also comprises a feeding machine; and a feeding machine capable of sealing and conveying materials is arranged between the conveying belt and the fluidized furnace.

6. The cement kiln co-processing waste system as claimed in claim 5, wherein: the feeding mechanism adopts a grab bucket.

7. The cement kiln co-processing waste system as claimed in claim 4, wherein: and a valve is arranged on the flue gas pipeline.

8. The cement kiln co-processing waste system as claimed in claim 4, wherein: the cement kiln co-processing garbage system also comprises a slag cooler, a lifter, a rotary kiln and a material conveying mechanism; the slag discharging port at the lower part of the fluidized furnace body is communicated with the slag cooler; the slag cooler is connected with the vibrating screen through a material conveying mechanism; the hoister and the rotary kiln are respectively connected with the vibrating screen through a material conveying mechanism.