CN212481305U - Thermal control type household garbage pyrolysis gasification incinerator - Google Patents
Thermal control type household garbage pyrolysis gasification incinerator Download PDFInfo
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- CN212481305U CN212481305U CN202021693603.1U CN202021693603U CN212481305U CN 212481305 U CN212481305 U CN 212481305U CN 202021693603 U CN202021693603 U CN 202021693603U CN 212481305 U CN212481305 U CN 212481305U
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Abstract
The utility model discloses a thermal control type domestic waste pyrolysis gasification burns burning furnace, including burning furnace, burning furnace's bottom is provided with the grate, the grate is including the dry pyrolysis grate section of accepting in proper order, burning grate section and burn off the grate section, each grate section is by corresponding actuating mechanism independent control, the below of grate corresponds each grate section and has set gradually dry pyrolysis plenum, burning plenum and burn off the plenum, each plenum is by corresponding the independent air feed of air supply system, burning furnace's top covers has preceding arch and back arch, form the inlet flue between preceding arch and the back arch, the inlet flue is connected two combustion chambers. The heat-control type domestic garbage pyrolysis gasification incinerator disperses and is independent of the driving mechanism of each stage, is provided with the independent corresponding air chamber, provides combustion-supporting air for incineration, can regulate and control the residence time, the air supply quantity and the air supply temperature of garbage in each stage according to the combustion working condition, can also ensure the combustion efficiency for multi-component garbage, improves the effective utilization of heat, and ensures the stable operation of pyrolysis gasification.
Description
Technical Field
The utility model relates to a refuse handling installation technical field especially relates to a thermal control type domestic waste pyrolysis gasification burns burning furnace.
Background
The domestic garbage pyrolysis gasification technology is a novel garbage treatment technology developed for solving the problem of domestic garbage pollution. The technology is mainly characterized in that oxygen supply amount of a combustion chamber is controlled, so that oxygen deficiency of the combustion chamber is in reduction reaction, separation of combustible volatile components in garbage is completed, and then the combustible volatile components are combusted through oxygen enrichment, so that the harmless treatment process of the household garbage is achieved. However, due to the fact that physicochemical parameters such as water content, ash content and heat value of the household garbage generated in different seasons, weather and regions are different to a certain extent, part of operation parameters are greatly fluctuated, continuous harmless reaction of the household garbage cannot be maintained simply by depending on the heat value of the garbage, a large amount of external energy needs to be supplemented, and cost is greatly increased. In addition, most of the conventional incinerators have the problems of insufficient combustion in the incinerator and low combustion efficiency, and the pyrolysis and gasification are difficult to effectively and continuously carry out under the condition of complex garbage components, so that further optimization is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a thermal-control type domestic waste pyrolysis gasification burns burning furnace to adapt to domestic waste's component change, improve combustion efficiency and effectively utilize heat, guarantee that pyrolysis gasification stably goes on.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a thermal control type domestic waste pyrolysis gasification burns burning furnace, it includes burns the furnace, it is provided with the grate to burn the bottom of furnace, the grate is including the dry pyrolysis grate section of accepting in proper order, burn grate section and burn out the grate section, each grate section is by corresponding actuating mechanism independent control, the below of grate corresponds each grate section and has set gradually dry pyrolysis plenum, burning plenum and burn out the plenum, each plenum is by the independent air feed of corresponding air supply system, the top of burning furnace covers there are front arch and back arch, form the inlet flue between front arch and the back arch, the inlet flue connects the second combustion chamber.
Particularly, the drying pyrolysis furnace grate section, the combustion furnace grate section and the burnout furnace grate section are arranged in sequence and gradually arranged in a low mode, and the tail end of the burnout furnace grate section is connected with a slag remover.
Particularly, the bottoms of the drying pyrolysis air chamber, the combustion air chamber and the burn-out air chamber are connected with ash discharge grooves, spiral conveying rods are arranged in the ash discharge grooves, and the ash discharge grooves are butted to a slag remover.
Particularly, each fire grate section is divided into a fixed fire grate segment and a movable fire grate segment, the fixed fire grate segments and the movable fire grate segments are alternately stacked, the driving mechanism comprises a telescopic cylinder, and an output rod of the telescopic cylinder is in driving connection with the movable fire grate segments through a connecting rod.
Particularly, a pyrolysis air inlet is arranged on the drying pyrolysis air chamber, a combustion air inlet is arranged on the combustion air chamber, a burnout air inlet is arranged on the burnout air chamber, each air inlet is connected with a corresponding air supply system, and the air output and the temperature of each air supply system are adjustable.
Particularly, an oxygen content detector is arranged on the drying pyrolysis furnace grate section and is in signal connection with a corresponding air supply system.
Particularly, a plurality of flow baffle plates are arranged in the second combustion chamber to separate the second combustion chamber into a snake-shaped flow channel, and the tail end of the snake-shaped flow channel is provided with a smoke outlet.
Particularly, a high-temperature air inlet pipe is arranged at the interface of the smoke inlet and the secondary combustion chamber.
Particularly, a feeding device is arranged outside the incineration furnace chamber and comprises a blanking funnel, a pushing mechanism is arranged at the bottom of the blanking funnel, and the pushing mechanism pushes the garbage in the blanking funnel to the drying pyrolysis furnace grate section.
To sum up, the beneficial effects of the utility model are that, compared with the prior art, thermal control type domestic waste pyrolysis gasification burns burning furnace and divide into dry pyrolysis stage, combustion stage and burn up stage with the furnace inner space, and the actuating mechanism dispersion in every stage is independent, and is equipped with the independent plenum that corresponds, for burning and providing combustion-supporting wind to can adjust and control rubbish dwell time, air feed volume and air feed temperature in every stage according to the burning operating mode, also can guarantee combustion efficiency to multicomponent rubbish, improve effective heat utilization, guarantee that pyrolysis gasification is stable goes on.
Drawings
Fig. 1 is a schematic structural diagram of a thermal control type household garbage pyrolysis gasification incinerator provided by the embodiment of the utility model.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Please refer to fig. 1, the embodiment provides a thermal control type household garbage pyrolysis gasification incinerator, which includes an incineration hearth 1, a fire grate is disposed at the bottom of the incineration hearth 1, the fire grate includes a dry pyrolysis fire grate section 2, a combustion fire grate section 3 and a burnout fire grate section 4 which are sequentially connected, each fire grate section is independently controlled by a corresponding driving mechanism, each fire grate section is divided into a fixed fire grate segment 5 and a movable fire grate segment 6, the fixed fire grate segment 5 and the movable fire grate segment 6 are alternately stacked, the driving mechanism includes a telescopic cylinder 7, and an output rod of the telescopic cylinder 7 is in driving connection with the movable fire grate segment 6 through a connecting rod 8.
The drying pyrolysis furnace grate section 2, the combustion furnace grate section 3 and the burn-out furnace grate section 4 are arranged in sequence and gradually arranged in a low mode, and the tail end of the burn-out furnace grate section 4 is connected with a slag remover 9.
A drying pyrolysis air chamber 10, a combustion air chamber 11 and an over-fire air chamber 12 are sequentially arranged below the grate corresponding to each grate section, each air chamber is independently supplied with air by a corresponding air supply system, a pyrolysis air inlet 13 is arranged on the drying pyrolysis air chamber 10, a combustion air inlet 14 is arranged on the combustion air chamber 11, an over-fire air inlet 15 is arranged on the over-fire air chamber 12, each air inlet is connected with the corresponding air supply system, and the air output and the temperature of each air supply system are adjustable. Particularly, an oxygen content detector is arranged on the drying pyrolysis furnace section 2 and is in signal connection with a corresponding air supply system.
The bottoms of the drying pyrolysis wind chamber 10, the combustion wind chamber 11 and the burn-out wind chamber 12 are all connected with an ash discharging groove 16, a spiral conveying rod 17 is arranged in the ash discharging groove 16, and the ash discharging groove 16 is butted with the slag remover 9.
The top of the incineration hearth 1 is covered with a front arch 18 and a rear arch 19, a smoke inlet 20 is formed between the front arch 18 and the rear arch 19, and the smoke inlet 20 is connected with a secondary combustion chamber 21. The coverage area of the front arch 18 and the rear arch 19 reaches 100 percent, the rear arch 19 is inclined from back to front and then horizontally arranged, the height distance between the outlet of the rear arch and the grate surface ensures the flue gas flow velocity at the position, the airflow is in an alpha-type combustion mode, namely, high-temperature dust-containing particles in the combustion flue gas quickly impact the front arch 18 and then rebound to the household garbage in the drying and pyrolyzing grate section 2, and the dried household garbage enters the secondary combustion chamber 21. And a high-temperature air inlet pipe 22 is arranged at the interface of the smoke inlet 20 and the secondary combustion chamber 21, so that organic volatile matters in the garbage are subjected to oxygen-enriched combustion in the secondary combustion chamber 21.
Be provided with a plurality of in the second combustion chamber 21 and keep off a class board 23, separate second combustion chamber 21 and keep off into snakelike runner, snakelike runner's end is provided with outlet flue 24, and snakelike runner can guarantee that the flue gas fully burns, improves out the cigarette cleanliness factor.
The external of the incineration furnace hearth 1 is provided with a feeding device, the feeding device comprises a blanking funnel 25, the bottom of the blanking funnel 25 is provided with a pushing mechanism 26, and the pushing mechanism 26 pushes the garbage in the blanking funnel 25 to the drying pyrolysis furnace section 2.
It is worth to be noted that the unique flue gas combustion mode combines the controllable air distribution mode of the drying pyrolysis air chamber 10 to dry the complex household garbage, then pyrolyze and gasify the complex household garbage, and simultaneously seamlessly combines the complex household garbage with the high-temperature combustion of the secondary combustion chamber 21 to realize the stable pyrolysis and gasification of the household garbage.
In addition, the controllable air supply mode of the drying pyrolysis gasification chamber can adapt to the component change of the household garbage, and double switching between pyrolysis and direct combustion is realized, so that the harmless reaction of the household garbage is stabilized, the mode greatly improves effective heat utilization, the harmless reaction of the household garbage is maintained by the heat value of the garbage, auxiliary fuel is not needed, and the operation cost is saved.
To sum up, the thermal control type household garbage pyrolysis gasification incinerator divides the space in the incinerator into a drying pyrolysis stage, a combustion stage and a burnout stage, the driving mechanism in each stage is independent in dispersion, an independent corresponding air chamber is arranged, combustion-supporting air is provided for incineration, the residence time, the air supply amount and the air supply temperature of garbage in each stage can be regulated and controlled according to the combustion working condition, the combustion efficiency can be guaranteed for multi-component garbage, effective heat utilization is improved, and pyrolysis gasification is guaranteed to be stably carried out.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A thermal control type household garbage pyrolysis gasification incinerator is characterized by comprising an incineration hearth, wherein a grate is arranged at the bottom of the incineration hearth and comprises a drying pyrolysis grate section, a combustion grate section and a burnout grate section which are sequentially connected, each grate section is independently controlled by a corresponding driving mechanism, a drying pyrolysis air chamber, a combustion air chamber and a burnout air chamber are sequentially arranged below the grate corresponding to each grate section, each air chamber is independently supplied with air by a corresponding air supply system, a front arch and a rear arch cover the top of the incineration hearth, a smoke inlet is formed between the front arch and the rear arch, and the smoke inlet is connected with a secondary combustion chamber.
2. The thermal control type pyrolysis gasification incinerator for domestic garbage according to claim 1, wherein: the dry pyrolysis furnace grate section, the combustion furnace grate section and the burnout furnace grate section are sequentially arranged in a gradually-low mode, and the tail end of the burnout furnace grate section is connected with a slag remover.
3. The thermal control type pyrolysis gasification incinerator for domestic garbage according to claim 2, wherein: the bottom of the drying pyrolysis air chamber, the bottom of the combustion air chamber and the bottom of the burnout air chamber are all connected with ash discharge grooves, spiral conveying rods are arranged in the ash discharge grooves, and the ash discharge grooves are in butt joint with the slag remover.
4. The thermal control type pyrolysis gasification incinerator for domestic garbage according to claim 1, wherein: each fire grate section is divided into a fixed fire grate segment and a movable fire grate segment, the fixed fire grate segments and the movable fire grate segments are alternately stacked, the driving mechanism comprises a telescopic cylinder, and an output rod of the telescopic cylinder is in driving connection with the movable fire grate segments through a connecting rod.
5. The thermal control type pyrolysis gasification incinerator for domestic garbage according to claim 1, wherein: the drying pyrolysis air chamber is provided with a pyrolysis air inlet, the combustion air chamber is provided with a combustion air inlet, the burnout air chamber is provided with a burnout air inlet, each air inlet is connected with a corresponding air supply system, and the air output and the temperature of each air supply system are adjustable.
6. The thermal control type domestic waste pyrolysis gasification incinerator of claim 5, wherein: and an oxygen content detector is arranged on the drying pyrolysis furnace grate section and is in signal connection with the corresponding air supply system.
7. The thermal control type pyrolysis gasification incinerator for domestic garbage according to claim 1, wherein: the second combustion chamber is internally provided with a plurality of flow baffle plates which separate the second combustion chamber into a snake-shaped flow channel, and the tail end of the snake-shaped flow channel is provided with a smoke outlet.
8. The thermal control type pyrolysis gasification incinerator for domestic garbage according to claim 1, wherein: and a high-temperature air inlet pipe is arranged at the interface of the smoke inlet and the secondary combustion chamber.
9. The thermal control type pyrolysis gasification incinerator for domestic garbage according to claim 1, wherein: the external portion of the incineration furnace chamber is provided with a feeding device, the feeding device comprises a blanking funnel, the bottom of the blanking funnel is provided with a material pushing mechanism, and the material pushing mechanism pushes the garbage in the blanking funnel to the drying pyrolysis furnace grate section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021693603.1U CN212481305U (en) | 2020-08-13 | 2020-08-13 | Thermal control type household garbage pyrolysis gasification incinerator |
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| CN202021693603.1U CN212481305U (en) | 2020-08-13 | 2020-08-13 | Thermal control type household garbage pyrolysis gasification incinerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853810A (en) * | 2020-08-13 | 2020-10-30 | 江苏利百川环保科技有限公司 | Thermal control type household garbage pyrolysis gasification incinerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853810A (en) * | 2020-08-13 | 2020-10-30 | 江苏利百川环保科技有限公司 | Thermal control type household garbage pyrolysis gasification incinerator |
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