CN217094944U - Recycling device for bottom materials of sludge incinerator - Google Patents
Recycling device for bottom materials of sludge incinerator Download PDFInfo
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- CN217094944U CN217094944U CN202220163825.5U CN202220163825U CN217094944U CN 217094944 U CN217094944 U CN 217094944U CN 202220163825 U CN202220163825 U CN 202220163825U CN 217094944 U CN217094944 U CN 217094944U
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Abstract
The utility model discloses a cyclic utilization device of sludge incinerator bed charge, arrange according to the bottom sediment flow direction and connect the cold sediment unit of cylinder water-cooling of establishing, horizontal auger delivery unit, bucket type hoisting unit, linear vibration sieve, storage tank, storehouse pump and air conveying pipeline. The bottom slag is cooled by water cooling of the roller, then is conveyed by the horizontal spiral in the direction far away from the sludge incinerator, is lifted to the height of the top of the furnace, and is sequentially screened, stored and pneumatically conveyed to the bottom in the furnace. By applying the recycling device, the high-temperature waste bed materials generated by the sludge incinerator can be efficiently recycled on site in a mode of combining water cooling, screening, storage and pneumatic conveying, quartz sand does not need to be purchased independently, and the operation cost is saved; and the dust problem in the recovery process of the waste bed materials can be completely overcome, and the working environment is improved.
Description
Technical Field
The utility model relates to a sludge incinerator attaches equipment improvement outward, especially relates to a cyclic utilization device of sludge incinerator bed charge, belongs to equipment structure technical field.
Background
The garbage disposal is a civil fact closely related to the life of people, and comprises the treatment of urine, excrement, sewage and the like, and the classified recycling treatment of household garbage and the like. Different processing objects, a large amount of existing targeted processing equipment and mature processing technology can meet the requirement of daily processing capacity on a large scale. Among them, the sludge incinerator is a widely used device.
With the continuous deepening of the application, the bed material is an important heat storage carrier in the operation process of the sludge incinerator. Before the boiler is started and operated, sufficient bed materials need to be added to ensure the material quantity, so that the fuel in the boiler can be efficiently and stably combusted and utilized. However, the boiler can generate the phenomena of bottom slag coking and agglomeration when in operation, and brings harm to the long-term stable operation of the boiler.
For fluidized bed coal-fired boilers, the most common treatment method of the generated waste bottom slag is to send the waste bottom slag to a building material factory for resource utilization. However, for the sludge incinerator, the dried sludge is mostly powdery, the burned ash mainly comprises fly ash, and the bottom slag is little. Coke blocks and agglomerated particles generated in the long-term operation of the boiler are removed in time, otherwise the fluidization quality is influenced, and the normal operation of the boiler is endangered. In the process of removing the bottom slag, bed materials are easy to carry out, so that the material quantity in the boiler is reduced, and the incineration efficiency of the boiler is influenced.
Disclosure of Invention
The utility model aims at providing a cyclic utilization device of sludge incinerator bed charge, solve the bed material and recycle and ensure boiler combustion efficiency's problem.
The utility model discloses realize above-mentioned purpose's technical solution is, a cyclic utilization device of sludge incinerator bed charge, its characterized in that includes:
a roller water-cooling slag cooling unit, wherein an inlet at the upper end is butted with a slag outlet at the bottom of the sludge incinerator through a pipeline;
one end of the horizontal screw conveying unit is butted with the tail outlet of the roller water-cooling slag cooling unit, and is driven to rotate by a built-in screw shaft to discharge slag to the other end;
the bottom of the bucket type lifting unit is butted with a slag discharging end of the horizontal spiral conveying unit, and the bucket type lifting unit sends slag materials upwards to the linear vibrating screen;
a linear vibrating screen, which screens the slag materials according to the particle size to obtain coking agglomerated particles and reusable bed materials;
a storage tank for receiving and storing reusable bed material;
the bin pump and the pneumatic conveying pipeline are connected between the storage tank and the side wall of the sludge incinerator and used for conveying bed materials to the bottom side in the incinerator.
The recycling device of the sludge incinerator bottom materials is characterized in that a pipeline connected with a furnace bottom slag hole is provided with a blocking-proof slag hole which can be opened and closed movably at a corner.
The recycling device for the sludge incinerator bottom materials is characterized in that the linear vibrating screen is provided with an electromagnetic vibrating motor and screens of two specifications, an independent material distributing outlet is arranged corresponding to each layer of screen, and the material distributing outlet corresponding to the recyclable bed materials is in butt joint with the storage tank.
In the above device for recycling the sludge incinerator bed charge, further, the connecting pipe arranged between the top of the bucket type lifting unit and the linear vibrating screen is a negative pressure pipe.
Use the utility model discloses a this cyclic utilization device, the progressive nature that possesses includes: 1) the bed materials are screened from the bottom slag as the waste and recycled, so that on one hand, the yield of solid waste and the disposal cost can be reduced, and on the other hand, the use amount of new bed materials can be reduced, thereby saving the operation cost of the boiler; 2) the slag is cooled by adopting a water cooling mode, and the negative pressure connecting pipe lifted by a bucket type can effectively inhibit on-site dust emission and improve the working environment; 3) the electromagnetic vibrating screen is combined with screen meshes of different specifications to separate bed materials, and the bed material separating device has the advantages of stability, reliability, low energy consumption, low noise, long service life and the like.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of the recycling device for sludge incinerator bed charge of the present invention.
Detailed Description
The following detailed description is made of specific embodiments of the present invention with reference to the accompanying drawings, so as to make the technical solution of the present invention easier to understand and grasp, and thus make a clearer definition of the protection scope of the present invention.
The utility model discloses the designer is to the problem that bottom slag treatment is unreasonable, solid useless output is big, bed material use amount and the volume of needing to supply is big in current sludge incinerator, relies on the experience of plant maintenance, and the innovation has provided a cyclic utilization device to bed material in the screening bottom slag, loopback to the stove bottom and improve bed material utilization ratio, and with the problem of low-cost guarantee boiler combustion efficiency.
From the technical overview, the recycling device of the sludge incinerator bottom materials comprises a roller water-cooling slag cooling unit 2, wherein an inlet on the upper end is butted with a furnace bottom slag outlet 11 of a sludge incinerator 1 through a pipeline 91; one end of the horizontal screw conveying unit 3 is butted with the tail outlet 21 of the roller water-cooling cold rolling unit 2, is driven to rotate by a built-in screw shaft 31 and discharges slag to the other end; the bottom of the bucket type lifting unit 4 is butted with a slag discharging end of the horizontal spiral conveying unit 3, and the bucket type lifting unit sends slag materials upwards to the linear vibrating screen; a linear vibrating screen 5 for screening the slag materials according to the particle size into coking agglomerated particles and reusable bed materials; a storage tank 6 for receiving and storing reusable bed materials; a bin pump 7 and a pneumatic conveying pipeline 8 which are connected between the storage tank 6 and the side wall of the sludge incinerator 1 and controllably convey bed materials to the bottom side in the incinerator.
Therefore, the external circulation path of the bottom slag is arranged on the periphery of the sludge incinerator, and the external circulation path is matched with cooling, screening and storage modes, conveying modes of different positions and different modes, so that the treatment efficiency of the bottom slag can be improved, the solid waste yield can be reduced, and the recycle rate of bed materials can be improved. Wherein the bottom slag is displaced along the channel blade in the roller water-cooling slag-cooling unit, and is cooled through dividing wall water slag heat exchange; in the horizontal screw conveying unit, the natural cooling horizontal conveying process is adopted, and the conveying power is the screw shaft controlled to rotate, so that the materials are uniformly fed to the bucket type lifting unit. In addition, the linear vibrating screen is arranged in an inclined shape, so that the bottom slag paved and laid on the linear vibrating screen can be thrown upwards in an inclined direction, parabola blanking with different distances is formed by different grain diameters and self weights, and the required material distribution result is realized by combining with screens with different specifications.
From the further detailed characteristics, the pipeline 91 connected with the slag hole 11 on the furnace bottom in the figure is provided with an anti-blocking slag hole 12 which can be opened and closed movably at the corner. Thereby avoiding the whole idle running of the recycling device caused by blockage caused by excessive accumulation of bottom slag in the pipeline 91.
The linear vibrating screen 5 is provided with an electromagnetic vibrating motor and screens of two specifications, and is provided with an independent material distributing outlet corresponding to each layer of screen, wherein the material distributing outlet corresponding to the reusable bed material is butted with the storage tank 6; correspondingly, the material distributing outlet corresponding to the coking agglomeration particles is butted with a solid waste collecting barrel or a material receiving conveyor belt and the like.
And, the connecting pipe 92 set up between the top of the above-mentioned bucket type hoisting unit 4 and linear vibrating screen 5 is a negative pressure pipe, cooperate with basically sealed integrated device and water-cooling measure, can prevent the slag charge from producing the raise dust in the course of transporting, improve the working environment of the worker on the spot.
The functional practicability of the recycling device is understood from the process of bottom slag external circulation: high-temperature waste slag generated in the operation process of the sludge incinerator is discharged from the incinerator through a furnace bottom slag outlet 11 below the hearth, and then falls into the roller water-cooling slag cooling unit 2 through a pipeline to be cooled. And the high-temperature waste slag falls into the horizontal spiral conveying unit 3 from the tail outlet 21 after water cooling. The materials are conveyed into a linear vibrating screen 5 for screening through a horizontal spiral conveying unit 3 and a bucket type lifting unit 4, wherein bed materials which are proper in particle size and can be reused are recycled and conveyed into a storage tank 6 for standby, and when the bed materials in a hearth are reduced to the degree required to be supplemented, the bed materials which can be reused in the storage tank are preferably supplemented. Can be conveyed back into the furnace through a bin pump 7 and a pneumatic conveying pipeline 8.
To sum up about the utility model discloses cyclic utilization device scheme introduction and embodiment detailing can be seen, and this scheme possesses substantive characteristics and progressive: 1) the bed materials are screened from the bottom slag as the waste and recycled, so that on one hand, the yield of solid waste and the disposal cost can be reduced, and on the other hand, the use amount of new bed materials can be reduced, thereby saving the operation cost of the boiler; 2) the slag is cooled by adopting a water cooling mode, and the negative pressure connecting pipe lifted by a bucket type can effectively inhibit on-site dust emission and improve the working environment; 3) the electromagnetic vibrating screen is combined with screen meshes of different specifications to separate bed materials, and the bed material separating device has the advantages of stability, reliability, low energy consumption, low noise, long service life and the like.
In addition to the above embodiments, the present invention may have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of the present invention.
Claims (4)
1. The utility model provides a cyclic utilization device of sludge incinerator bed charge which characterized in that includes:
a roller water-cooling slag cooling unit, wherein an inlet at the upper end is butted with a slag outlet at the bottom of the sludge incinerator through a pipeline;
one end of the horizontal screw conveying unit is butted with the tail outlet of the roller water-cooling slag cooling unit, and is driven to rotate by a built-in screw shaft to discharge slag to the other end;
the bottom of the bucket type lifting unit is butted with a slag discharging end of the horizontal spiral conveying unit, and the bucket type lifting unit sends slag materials upwards to the linear vibrating screen;
a linear vibrating screen, which screens the slag materials according to the particle size to obtain coking agglomerated particles and reusable bed materials;
a storage tank for receiving and storing reusable bed material;
the bin pump and the pneumatic conveying pipeline are connected between the storage tank and the side wall of the sludge incinerator and used for conveying bed materials to the bottom side in the incinerator.
2. The recycling device of sludge incinerator bed charge as set forth in claim 1, wherein: the pipeline connected with the slag outlet at the bottom of the furnace is provided with a blocking-proof slag outlet which can be opened and closed movably at the corner.
3. The recycling device of sludge incinerator bed charge as set forth in claim 1, wherein: the linear vibrating screen is provided with an electromagnetic vibrating motor and screens of two specifications, an independent material distributing outlet is arranged corresponding to each layer of screen, and the material distributing outlet corresponding to the recyclable bed material is in butt joint with the storage tank.
4. The recycling device of sludge incinerator bed charge as set forth in claim 1, wherein: and a connecting pipe arranged between the top of the bucket type lifting unit and the linear vibrating screen is a negative pressure pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220163825.5U CN217094944U (en) | 2022-01-21 | 2022-01-21 | Recycling device for bottom materials of sludge incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220163825.5U CN217094944U (en) | 2022-01-21 | 2022-01-21 | Recycling device for bottom materials of sludge incinerator |
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| Publication Number | Publication Date |
|---|---|
| CN217094944U true CN217094944U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220163825.5U Active CN217094944U (en) | 2022-01-21 | 2022-01-21 | Recycling device for bottom materials of sludge incinerator |
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| CN (1) | CN217094944U (en) |
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- 2022-01-21 CN CN202220163825.5U patent/CN217094944U/en active Active
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