CN212132452U - Garbage storehouse suitable for circulating fluidized bed garbage incinerator - Google Patents
Garbage storehouse suitable for circulating fluidized bed garbage incinerator Download PDFInfo
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- CN212132452U CN212132452U CN202020268064.0U CN202020268064U CN212132452U CN 212132452 U CN212132452 U CN 212132452U CN 202020268064 U CN202020268064 U CN 202020268064U CN 212132452 U CN212132452 U CN 212132452U
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- crusher
- belt conveyor
- receiving hopper
- stokehole
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Abstract
The utility model provides a garbage storehouse suitable for circulating fluidized bed waste incinerator, its structural design is reasonable, can realize that the rubbish is broken to select separately, get rid of the incombustible thing and can avoid the boiler to take place the condition of tempering. A garbage grab bucket crane is arranged above the garbage pit; the crusher receiving hopper is arranged above the crusher, and a blanking port of the crusher receiving hopper is connected with a feeding port of the crusher; the crusher blanking chute is connected with the crusher, and the crusher blanking chute is connected with the garbage sorting belt conveyor; the garbage sorting belt conveyor is provided with an iron remover; the warehousing belt conveyor is connected with the garbage sorting belt conveyor and the garbage pit; the stokehole garbage receiving hopper is connected with a first-stage shaftless screw conveyor; the stokehole garbage receiving hopper is matched with a garbage grab bucket crane; the first-stage shaftless screw conveyor is connected with the second-stage shaftless screw conveyor; the second-stage shaftless screw conveyor is connected with the furnace inlet connecting pipe; the furnace inlet electric valve is arranged on the furnace inlet connecting pipe.
Description
Technical Field
The utility model relates to a garbage storehouse suitable for circulating fluidized bed waste incinerator.
Background
Along with the social development and the improvement of the material consumption level, the production quantity of the domestic garbage is rapidly increased, the pollution of the garbage to the environment is increasingly serious, and the domestic garbage becomes a restriction factor of the novel urbanization development. In recent years, the waste incineration technology is gradually becoming the main direction of waste treatment in China. The main technologies used in the domestic waste incineration include a mechanical grate furnace technology and a fluidized bed fuel technology.
The circulating fluidized bed garbage incinerator is characterized in that furnace slag with a certain thickness is paved in the incinerator to serve as bed materials, air with a certain pressure is blown in through a bottom air distribution plate to blow up, roll, stir and roll the bed materials, the garbage is fully contacted with the bed materials after entering the incinerator, and the garbage is fully heated, dried and burnt. The circulating fluidized bed has good adaptability to municipal solid waste with low incineration heat value, high moisture and complex components, and can reduce SO by desulfurization in the furnace2By low-temperature, staged combustion, reducing the formation of nitrogen oxides, and by adding suitable adsorbents, the emissions can be reducedLow emissions of heavy metals, dioxins and HCl. However, the circulating fluidized bed waste incinerator has requirements on the size of raw waste entering the incinerator, and incombustibles (such as bricks, broken stones, metal and the like) in the waste can seriously affect the fluidized combustion level in the incinerator, lead to high dust concentration in the incinerator, accelerate the abrasion of water wall pipes, and easily cause the situation of back fire due to the fact that smoke gas flows backwards when the combustion is unstable because the hearth of the circulating fluidized bed boiler is in positive pressure. In order to solve the problem, it is necessary to develop a garbage warehouse suitable for a circulating fluidized bed garbage incinerator, which can realize garbage crushing and sorting, remove incombustibles and avoid the condition of backfire of a boiler.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design reasonable, can realize that the rubbish is broken to select separately, get rid of the incombustible thing and can avoid the condition that the boiler takes place the tempering be applicable to circulating fluidized bed waste incinerator's garbage storehouse.
The utility model provides a technical scheme that above-mentioned problem adopted is: a garbage storehouse suitable for circulating fluidized bed garbage incinerator, the said garbage storehouse has refuse pits, rubbish preconditioning room and rubbish feedstock area; a garbage grab bucket crane is arranged above the garbage pit; the method is characterized in that: a garbage pretreatment device is arranged in the garbage pretreatment room, and a garbage stokehole feeding device is arranged in the garbage feeding area; the garbage pretreatment device comprises a crusher receiving hopper, a crusher blanking chute, a garbage sorting belt conveyor, an iron remover and a warehousing belt conveyor; the crusher receiving hopper is arranged above the crusher, a blanking port of the crusher receiving hopper is connected with a feeding port of the crusher, and the feeding port of the crusher receiving hopper is matched with the garbage grab crane; the feed inlet of the blanking chute of the crusher is connected with the discharge outlet of the crusher, and the discharge outlet of the blanking chute of the crusher is connected with the feed inlet of the garbage sorting belt conveyor; the garbage sorting belt conveyor is provided with an iron remover; the feed inlet of the warehousing belt conveyor is connected with the discharge outlet of the garbage sorting belt conveyor, and the discharge outlet of the warehousing belt conveyor is connected with the garbage pit; the garbage stokehole feeding device comprises a stokehole garbage receiving hopper, a primary shaftless screw conveyor, a secondary shaftless screw conveyor, a stokehole connecting pipe and a stokehole electric valve; the discharge hole of the stokehole garbage receiving hopper is connected with the feed inlet of the first-stage shaftless screw conveyor; a feed port of the stokehole garbage receiving hopper is matched with a garbage grab bucket crane; the discharge hole of the first-stage shaftless screw conveyor is connected with the feed inlet of the second-stage shaftless screw conveyor; the discharge hole of the second-stage shaftless screw conveyor is connected with the feed inlet of the furnace inlet connecting pipe; the furnace inlet electric valve is arranged on the furnace inlet connecting pipe.
Garbage pretreatment device still include the guide rail, the breaker is installed on the guide rail.
Guide rail top be equipped with and overhaul the calabash.
The furnace inlet pipe of the utility model is provided with an expansion joint.
Garbage sorting belt conveyor both sides be equipped with artifical separation platform.
Rubbish hole set up in the centre of rubbish storehouse, set up at the both ends in rubbish storehouse between rubbish preliminary treatment, rubbish feed region sets up in the rubbish storehouse by boiler one side.
Compared with the prior art, the utility model, have following advantage and effect: reasonable in design, it is rational in infrastructure, reduce the operation maintenance cost, can carry out crushing separation treatment to rubbish effectively to can guarantee the combustion stability to circulating fluidized bed waste incinerator even feed, avoid the emergence of tempering phenomenon.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic top view of the 12m layer of fig. 1.
Fig. 3 is a schematic top view of the 18m layer of fig. 1.
Fig. 4 is a schematic top view of the 22m layer of fig. 1.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1-4, the garbage warehouse according to the embodiment of the present invention is provided with a garbage pit, a garbage pre-treatment room and a garbage feeding area; the garbage pit is arranged in the middle of the garbage warehouse, the garbage pretreatment room is arranged at two ends of the garbage warehouse, and the garbage feeding area is arranged at one side of the garbage warehouse close to the boiler. The garbage pretreatment rooms at two ends of the garbage warehouse are respectively provided with 1 set of garbage pretreatment device, and the garbage feeding area is provided with 3 sets of garbage stokehole feeding devices which correspond to 3 circulating fluidized bed garbage incinerators.
The garbage in the garbage pit in the embodiment is stored in a partitioned mode, wherein finished garbage is stored at two ends, and primary garbage is stored in the middle area.
A garbage grab bucket crane 1 is arranged above the garbage pit, and the garbage grab bucket crane 1 is installed on the garbage body of the garbage warehouse and mainly used for feeding, carrying, stirring, fetching and weighing garbage. In the embodiment, 3 garbage grab bucket cranes 1 are arranged above the garbage pit.
The garbage pretreatment device comprises a crusher receiving hopper 2, a crusher 3, a guide rail 4, a crusher blanking chute 5, a garbage sorting belt conveyor 6, an iron remover 7 and a warehousing belt conveyor 8.
The receiving hopper 2 of the crusher is arranged at the height of 22m layers of the garbage warehouse. The crusher 3 is arranged at the 18m layer height of the garbage warehouse and is provided with a hydraulic station. The garbage sorting belt conveyor 6, the iron remover 7 and the warehousing belt conveyor 8 are all arranged at the 12 m-layer high positions of the garbage warehouse.
The crusher receiving hopper 2 is fixedly installed on the garbage warehouse body of the garbage warehouse and is arranged above the crusher 3, a blanking port of the crusher receiving hopper 2 is connected with a feeding port of the crusher 3, and the feeding port of the crusher receiving hopper 2 is matched with the garbage grab crane 1.
The guide rail 4 is fixedly arranged on the garbage body of the garbage warehouse. The crusher 3 is mounted on a guide rail 4, on which guide rail 4 the crusher 3 can move. An overhaul hoist is arranged above the guide rail 4.
The crusher blanking elephant trunk 5 is fixedly installed on the garbage storehouse body, a feeding hole of the crusher blanking elephant trunk 5 is connected with a discharging hole in the bottom of the crusher 3, and a discharging hole of the crusher blanking elephant trunk 5 is connected with a feeding hole of the garbage sorting belt conveyor 6.
The garbage sorting belt conveyor 6 is arranged on the body of the garbage warehouse, and the head part of the garbage sorting belt conveyor is provided with an iron remover 7. And manual sorting platforms are arranged on two sides of the garbage sorting belt conveyor 6.
The feed inlet of the warehousing belt conveyor 8 is connected with the discharge outlet of the garbage sorting belt conveyor 6, and the discharge outlet of the warehousing belt conveyor 8 is connected with the garbage pit.
Native rubbish is sent to breaker receiving hopper 2 by rubbish grab bucket hoist 1, 2 blanking mouths of breaker receiving hopper link to each other with breaker 3, rubbish is less than 150mm through crushing treatment back granularity, rubbish after the breakage passes through breaker blanking elephant trunk 5 and gets into rubbish sorting belt conveyor 6, artifical sorting platform is established to 6 both sides of rubbish sorting belt conveyor, by artifical incombustible debris (fragment of brick, rubble etc.) in the native rubbish of sorting out, 6 heads at rubbish sorting belt conveyor set up one and remove ironware 7, a bottle lid for getting rid of in the rubbish, ironware such as screw, through the breakage, the rubbish after sorting and deironing, send back the rubbish hole to by warehousing entry belt conveyor 8.
Be located the garbage storehouse both ends between rubbish preliminary treatment in this embodiment, the manual work is selected separately the environment and is relatively better, and mechanical ventilation system is established in addition to the manual work platform of selecting separately, can effectively improve operational environment.
The garbage stokehole feeding device comprises a stokehole garbage receiving hopper 9, a primary shaftless screw conveyor 10, a secondary shaftless screw conveyor 11, a stokehole connecting pipe 12 and a stokehole electric valve 13.
The stokehole garbage receiving hopper 9 is arranged at the level of 22m of the garbage warehouse. The primary shaftless screw conveyor 10 is arranged at the height of 17.5m layers of the garbage warehouse. The second-level shaftless screw conveyor 11 is arranged at the height of 14.5m layers of the garbage warehouse.
The stokehole garbage receiving hopper 9 is fixedly arranged on the body of the garbage warehouse, and the discharge hole of the stokehole garbage receiving hopper 9 is connected with the feeding hole of the first-stage shaftless screw conveyor 10. The feed inlet of the stokehole garbage receiving hopper 9 is matched with the garbage grab bucket crane 1.
The first-stage shaftless screw conveyor 10 is installed on the garbage storehouse body, and the discharge port of the first-stage shaftless screw conveyor 10 is connected with the feed port of the second-stage shaftless screw conveyor 11.
The second-stage shaftless screw conveyor 11 is arranged on the garbage storehouse body, and a discharge hole of the second-stage shaftless screw conveyor 11 is connected with a feed inlet of the furnace inlet connecting pipe 12.
The furnace inlet connecting pipe 12 is arranged on the body of the garbage warehouse, and the discharge port of the furnace inlet connecting pipe 12 is connected with the feed port of the circulating fluidized bed garbage incinerator; the furnace inlet pipe 12 is provided with an expansion joint for compensating dimensional changes or displacements due to temperature differences and mechanical vibrations.
The furnace inlet electric valve 13 is arranged at the discharge port of the furnace inlet connecting pipe 12 and can be quickly closed when a tempering condition occurs.
Finished garbage is conveyed to a stokehole garbage receiving hopper 9 by a garbage grab bucket crane 1, conveyed to a stokehole connecting pipe 12 by a primary shaftless screw conveyor 10 and a secondary shaftless screw conveyor 11, and then conveyed to a circulating fluidized bed garbage incinerator by the stokehole connecting pipe 12. The first-stage shaftless screw conveyor 10 and the second-stage shaftless screw conveyor 11 have good winding resistance and can prevent garbage blockage.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A garbage storehouse suitable for circulating fluidized bed garbage incinerator, the said garbage storehouse has refuse pits, rubbish preconditioning room and rubbish feedstock area; a garbage grab bucket crane is arranged above the garbage pit; the method is characterized in that: a garbage pretreatment device is arranged in the garbage pretreatment room, and a garbage stokehole feeding device is arranged in the garbage feeding area; the garbage pretreatment device comprises a crusher receiving hopper, a crusher blanking chute, a garbage sorting belt conveyor, an iron remover and a warehousing belt conveyor; the crusher receiving hopper is arranged above the crusher, a blanking port of the crusher receiving hopper is connected with a feeding port of the crusher, and the feeding port of the crusher receiving hopper is matched with the garbage grab crane; the feed inlet of the blanking chute of the crusher is connected with the discharge outlet of the crusher, and the discharge outlet of the blanking chute of the crusher is connected with the feed inlet of the garbage sorting belt conveyor; the garbage sorting belt conveyor is provided with an iron remover; the feed inlet of the warehousing belt conveyor is connected with the discharge outlet of the garbage sorting belt conveyor, and the discharge outlet of the warehousing belt conveyor is connected with the garbage pit; the garbage stokehole feeding device comprises a stokehole garbage receiving hopper, a primary shaftless screw conveyor, a secondary shaftless screw conveyor, a stokehole connecting pipe and a stokehole electric valve; the discharge hole of the stokehole garbage receiving hopper is connected with the feed inlet of the first-stage shaftless screw conveyor; a feed port of the stokehole garbage receiving hopper is matched with a garbage grab bucket crane; the discharge hole of the first-stage shaftless screw conveyor is connected with the feed inlet of the second-stage shaftless screw conveyor; the discharge hole of the second-stage shaftless screw conveyor is connected with the feed inlet of the furnace inlet connecting pipe; the furnace inlet electric valve is arranged on the furnace inlet connecting pipe.
2. The garbage storehouse suitable for the circulating fluidized bed garbage incinerator according to claim 1, wherein: the garbage pretreatment device further comprises a guide rail, and the crusher is installed on the guide rail.
3. The garbage storehouse suitable for the circulating fluidized bed garbage incinerator according to claim 2, wherein: and an overhauling hoist is arranged above the guide rail.
4. The garbage storehouse suitable for the circulating fluidized bed garbage incinerator according to claim 1, wherein: the furnace inlet connecting pipe is provided with an expansion joint.
5. The garbage storehouse suitable for the circulating fluidized bed garbage incinerator according to claim 1, wherein: and manual sorting platforms are arranged on two sides of the garbage sorting belt conveyor.
6. The garbage storehouse suitable for the circulating fluidized bed garbage incinerator according to claim 1, wherein: the garbage pit is arranged in the middle of the garbage warehouse, the garbage pretreatment room is arranged at two ends of the garbage warehouse, and the garbage feeding area is arranged at one side of the garbage warehouse close to the boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020268064.0U CN212132452U (en) | 2020-03-06 | 2020-03-06 | Garbage storehouse suitable for circulating fluidized bed garbage incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020268064.0U CN212132452U (en) | 2020-03-06 | 2020-03-06 | Garbage storehouse suitable for circulating fluidized bed garbage incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212132452U true CN212132452U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020268064.0U Active CN212132452U (en) | 2020-03-06 | 2020-03-06 | Garbage storehouse suitable for circulating fluidized bed garbage incinerator |
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|---|---|
| CN (1) | CN212132452U (en) |
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2020
- 2020-03-06 CN CN202020268064.0U patent/CN212132452U/en active Active
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