阅读说明：本技术 一种小型多级炉排式垃圾焚烧设备 (Small-size multistage grate formula waste incineration equipment ) 是由 付顺坤 于 2019-12-06 设计创作，主要内容包括：一种小型多级炉排式垃圾焚烧设备,涉及垃圾处置与资源化领域,它包含设备本体、垃圾料斗、液压推料杆、送风机、一次送风口、二次送风口,垃圾料斗设置在设备本体的左侧上方边缘处,液压推料杆设置在料斗下方中部,送风机设置在设备本体的外围左侧,一次送风口设置在设备本体的内部下方；本发明有益效果为：本发明将垃圾干燥和燃烧分步进行,竖直腔室和多级炉排的设置,可以将进炉垃圾先进行干燥处理,克服了垃圾含水率大的垃圾热值低的缺点,通过燃烧过程中的蓄热作用,垃圾不足或热值低时,释放热量,液压推料装置的机械密封,垃圾料斗的堆积高度的料封作用,避免臭气外泄,余热利用装置有效利用烟气的余热,进行资源化利用。(A small-sized multi-stage grate type waste incineration device relates to the field of waste disposal and resource utilization, and comprises a device body, a waste hopper, a hydraulic pushing rod, a blower, a primary air supply outlet and a secondary air supply outlet, wherein the waste hopper is arranged at the edge of the upper left side of the device body; the invention has the beneficial effects that: according to the invention, the garbage drying and burning are carried out step by step, the arrangement of the vertical chamber and the multi-stage fire grates can firstly carry out drying treatment on the garbage entering the furnace, the defect of low heat value of the garbage with large water content is overcome, through the heat storage effect in the burning process, when the garbage is insufficient or the heat value is low, heat is released, the mechanical seal of the hydraulic pushing device and the material sealing effect of the stacking height of the garbage hopper are adopted, the odor is prevented from leaking, and the waste heat utilization device effectively utilizes the waste heat of the flue gas for resource utilization.)

1. The utility model provides a small-size multistage grate formula waste incineration equipment which characterized in that: the device comprises a device body (1), a garbage hopper (2), a hydraulic material pushing rod (3), a blower (4), a primary air supply outlet (5) and a secondary air supply outlet (6); the garbage hopper (2) is arranged at the upper edge of the left side of the equipment body (1), the hydraulic material pushing rod (3) is arranged in the middle of the lower portion of the hopper (2), the air feeder (4) is arranged on the left side of the periphery of the equipment body (1), the primary air supply outlet (5) is arranged below the inner portion of the equipment body (1), and the secondary air supply outlet (6) is connected with the air feeder (4) through a pipeline;

the inside cavity structures that is of equipment body (1), its inside vertical cavity (7) that divide into in proper order from left to right, main combustion chamber (8), waste heat recovery chamber (9), set up multistage grate (71) in vertical cavity (7), multistage grate (71) divide into first order grate (711) from top to bottom in vertical cavity (7) in proper order, second level grate (712), third level grate (713), first order grate (711) is linked together with hopper (2), third level grate (713) intercommunication main combustion chamber (8), contain main combustion grate (81) in the main combustion chamber, mucking machine (82), main combustion grate (81) set up in main combustion chamber (8) left side, and link to each other with main combustion chamber (8), main combustion chamber (8) below is provided with mucking machine (82), be waste heat recovery chamber (9) in main combustion chamber (8) top, be provided with secondary combustion chamber (91) in waste heat recovery chamber (9), The waste heat utilization device (92) is arranged below the heat storage secondary combustion chamber (91), the waste heat utilization device (92) is communicated with the flue gas outlet (10), and the ash outlet (11) is arranged below the flue gas outlet (10).

2. The small multi-grate stoker-type waste incineration apparatus as set forth in claim 1, wherein: the vertical chamber (7) is of a vertical design structure, and the main combustion chamber (8) is of a horizontal design structure.

3. The small multi-grate stoker-type waste incineration apparatus as set forth in claim 1, wherein: the hydraulic material pushing rod (3) is sealed in a mechanical sealing mode.

4. The small multi-grate stoker-type waste incineration apparatus as set forth in claim 1, wherein: and the secondary air supply outlet (6) and the primary air supply outlet (5) are staggered and inclined air supply outlets.

5. The small multi-grate stoker-type waste incineration apparatus as set forth in claim 1, wherein: the front row of the main combustion chamber (8) is provided with a fire wall (83), and the rear row is provided with a furnace arch (84).

6. The small multi-grate stoker-type waste incineration apparatus as set forth in claim 1, wherein: the second heat storage combustion chamber (91) is provided with a heat storage wall (911).

Technical Field

The invention relates to the field of garbage disposal and recycling, in particular to small-sized multi-stage grate type garbage incineration equipment.

Background

At present, in small-sized garbage treatment facilities, domestic garbage treatment corresponding to small islands, closed communities and villages and towns in remote mountain areas is fresh and has a reasonable and economic treatment mode; for example, garbage in villages and towns in remote mountain areas is collected uniformly in a village-level mode and then is buried; domestic garbage generated on the island is more difficult to treat, heavy financial burden is brought to the government by sealed transportation, meanwhile, economic benefit and social benefit are not brought to remote transportation, secondary pollution brought by remote transportation is much worse than garbage pollution, land and water sources are polluted by landfill in villages and towns, increasingly fragile ecological environment of the villages is destroyed, the existing small-sized garbage incineration equipment has high pollutant control cost, the equipment cannot overcome low heat value and high water content of the garbage, and the equipment cannot continuously operate in places lacking maintenance personnel in the villages.

Disclosure of Invention

The invention aims to provide small-sized multi-stage grate type waste incineration equipment aiming at the problems that in the prior art, the control cost of pollutants is high, the equipment cannot overcome the problems that the waste has low heat value and high water content, cannot continuously run and the like.

In order to achieve the purpose, the invention adopts the following technical scheme: the garbage bin is arranged at the edge of the upper left side of the equipment body, the hydraulic material pushing rod is arranged in the middle of the lower part of the bin, the air feeder is arranged on the left side of the periphery of the equipment body, the primary air supply outlet is arranged below the inner part of the equipment body, and the secondary air supply outlet is connected with the air feeder through a pipeline;

the inside cavity structure that is of equipment body, its inside vertical chamber that divide into in proper order from left to right, main combustion chamber, waste heat recovery chamber, vertical intracavity sets up multistage grate, multistage grate is divided into first-level grate from top to bottom in proper order in vertical intracavity, the second grade grate, the third grade grate, first-level grate is linked together with the hopper, third grade grate intercommunication main combustion chamber, contain main burning grate in the main combustion chamber, the mucking machine, main burning grate sets up in the main combustion chamber left side, and link to each other with main combustion chamber, main combustion chamber below is provided with the mucking machine, the top of main combustion chamber is the waste heat recovery chamber, be provided with secondary combustion chamber in the waste heat recovery chamber, the exhanst gas outlet, the ash hole that accumulates, it sets up waste heat utilization equipment to accumulate under secondary combustion chamber, waste heat utilization equipment and exhanst gas outlet intercommunication, the exhanst gas outlet below sets.

Further, the vertical chamber is of a vertical design structure, and the main combustion chamber is of a horizontal design structure. The heat load of the hearth is improved.

Furthermore, the hydraulic pushing rod is sealed in a mechanical sealing mode. Avoid the leakage of odor.

Furthermore, the secondary air supply outlet and the primary air supply outlet are staggered inclined air supply outlets. So that the preheated air presents turbulent flow in the primary combustion chamber and the secondary combustion chamber.

Furthermore, the front row of the main combustion chamber is provided with a fire wall, and the rear row is provided with a furnace arch. Ensuring the heat load of the main combustion chamber.

Furthermore, the second heat storage combustion chamber is provided with a heat storage wall. The flue gas can be ensured to be subjected to autonomous secondary combustion in the heat storage secondary combustion chamber.

Furthermore, the main combustion chamber is under a negative pressure combustion working condition, and the negative pressure value is-50 to-80 pa.

The working principle of the invention is as follows: the garbage in the garbage hopper is pushed into the vertical chamber through the hydraulic pushing device; the garbage is dried in the vertical chamber through the alternate action of the first-stage grate and the second-stage grate; the garbage enters the main combustion grate through the mechanical action of the third-stage grate, air required by combustion is provided by the primary air supply outlet and the secondary air supply outlet, and the garbage is fully combusted on the main combustion furnace row; the generated flue gas is mixed in the main combustion chamber and then enters the secondary combustion chamber of the heat storage chamber, the flue gas is secondarily combusted in the secondary combustion chamber of the heat storage chamber, the temperature of the flue gas reaches above 850 ℃ and stays for 2s, after the waste heat of the flue gas is utilized by the waste heat utilization device, the flue gas is purified by the flue gas outlet connected with the flue gas purification device through a pipeline and then is discharged, and the burned slag on the main combustion grate is discharged through the slag extractor.

After the technical scheme is adopted, the invention has the beneficial effects that: according to the invention, the garbage drying and burning are carried out step by step, so that the traditional direct smoldering mode is replaced, and the environmental protection of small garbage treatment equipment is ensured; the primary air supply is arranged at the lower part of the main combustion grate, so that the temperature of the surface of the grate can be reduced, and the service life of the grate is prolonged; the arrangement of the vertical chamber and the multi-stage fire grates can dry the garbage fed into the furnace firstly, so that the defect that the garbage with large water content in villages and towns and remote areas has low heat value is overcome, and through the heat storage effect in the combustion process, when the garbage is insufficient or the heat value is low, heat is released, the mechanical seal of the hydraulic pushing device for the smoke temperature of the secondary combustion chamber is ensured, the material sealing effect of the stacking height of the garbage hopper is realized, and the leakage of odor is avoided; the main combustion grate adopts a mechanical reciprocating grate, and garbage can be fully combusted through air supply and reciprocating action at the bottom of the grate; the waste heat utilization device can be used for placing a waste heat boiler and the like, effectively utilizes the waste heat of the flue gas and carries out resource utilization.

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, and 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 schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the vertical chamber 7 in the present invention;

FIG. 3 is a schematic structural diagram of a waste heat recovery chamber 9 in the present invention;

fig. 4 is a schematic structural view of the main combustion chamber 8 of the present invention.

Description of reference numerals: the device comprises a device body 1, a garbage hopper 2, a hydraulic material pushing rod 3, a blower 4, a primary air supply outlet 5, a secondary air supply outlet 6, a vertical cavity 7, a main combustion chamber 8, a waste heat recovery cavity 9, a multi-stage grate 71, a first-stage grate 711, a second-stage grate 712, a third-stage grate 713, a main combustion grate 81, a slag extractor 82, a fire blocking wall 83, a furnace arch 84, a heat storage secondary combustion chamber 91, a waste heat utilization device 92, a smoke outlet 10, an ash outlet 11 and a heat storage wall 911.

Detailed Description

Referring to fig. 1 to 4, the technical solution adopted by the present embodiment is: the garbage pushing device comprises an equipment body 1, a garbage hopper 2, a hydraulic pushing rod 3, a blower 4, a primary air supply outlet 5 and a secondary air supply outlet 6, wherein the garbage hopper 2 is arranged at the edge of the upper left side of the equipment body 1, the hydraulic pushing rod 3 is arranged in the middle of the lower part of the hopper 2, the blower 4 is arranged on the left side of the periphery of the equipment body 1, the primary air supply outlet 5 is arranged below the inner part of the equipment body 1, and the secondary air supply outlet 6 is connected with the blower 4 through a pipeline;

the equipment body 1 is of a hollow cavity structure, the interior of the equipment body is sequentially divided into a vertical cavity 7, a main combustion chamber 8 and a waste heat recovery cavity 9 from left to right, a multi-stage grate 71 is arranged in the vertical cavity 7, the multi-stage grate 71 is sequentially divided into a first-stage grate 711, a second-stage grate 712 and a third-stage grate 713 from top to bottom in the vertical cavity 7, the first-stage grate 711 is communicated with the hopper 2, the third-stage grate 713 is communicated with the main combustion chamber 8, the main combustion chamber 8 comprises a main combustion grate 81 and a slag discharging machine 82, the main combustion grate 81 is arranged on the left side of the main combustion chamber 8 and is connected with the main combustion chamber 8, the slag discharging machine 82 is arranged below the main combustion chamber 8, the waste heat recovery cavity 9 is arranged above the main combustion chamber 8, a secondary heat storage combustion chamber 91 flue gas outlet 10 and an ash outlet 11 are arranged in the waste heat recovery cavity 9, a waste heat utilization device 92 is arranged below the secondary heat storage, an ash outlet 11 is arranged below the flue gas outlet 10.

Further, the vertical chamber 7 is of a vertical design structure, and the main combustion chamber 8 is of a horizontal design structure. The heat load of the hearth is improved.

Further, the hydraulic pushing rod 3 is sealed in a mechanical sealing mode. Avoid the leakage of odor.

Furthermore, the secondary air supply outlet 6 and the primary air supply outlet 5 are staggered and inclined air supply outlets. So that the preheated air presents turbulent flow in the primary combustion chamber and the secondary combustion chamber.

Further, the front row of the main combustion chamber 8 is provided with a fire wall 83, and the rear row is provided with a furnace arch 84. Ensuring the heat load of the main combustion chamber.

Further, the second heat storage combustion chamber 91 is provided with a heat storage wall 911. The flue gas can be ensured to be subjected to autonomous secondary combustion in the heat storage secondary combustion chamber.

Further, the main combustion chamber 8 is under a negative pressure combustion condition, and the negative pressure value is-50 pa to-80 pa.

The working principle of the invention is as follows: the garbage in the garbage hopper is pushed into the vertical chamber through the hydraulic pushing device; the garbage is dried in the vertical chamber through the alternate action of the first-stage grate and the second-stage grate; the garbage enters the main combustion grate through the mechanical action of the third-stage grate, air required by combustion is provided by the primary air supply outlet and the secondary air supply outlet, and the garbage is fully combusted on the main combustion furnace row; the generated flue gas is mixed in the main combustion chamber and then enters the secondary combustion chamber of the heat storage chamber, the flue gas is secondarily combusted in the secondary combustion chamber of the heat storage chamber, the temperature of the flue gas reaches above 850 ℃ and stays for 2s, after the waste heat of the flue gas is utilized by the waste heat utilization device, the flue gas is purified by the flue gas outlet connected with the flue gas purification device through a pipeline and then is discharged, and the burned slag on the main combustion grate is discharged through the slag extractor.

After the technical scheme is adopted, the invention has the beneficial effects that: according to the invention, the garbage drying and burning are carried out step by step, so that the traditional direct smoldering mode is replaced, and the environmental protection of small garbage treatment equipment is ensured; the primary air supply is arranged at the lower part of the main combustion grate, so that the temperature of the surface of the grate can be reduced, and the service life of the grate is prolonged; the arrangement of the vertical chamber and the multi-stage fire grates can dry the garbage fed into the furnace firstly, so that the defect that the garbage with large water content in villages and towns and remote areas has low heat value is overcome, and through the heat storage effect in the combustion process, when the garbage is insufficient or the heat value is low, heat is released, the mechanical seal of the hydraulic pushing device for the smoke temperature of the secondary combustion chamber is ensured, the material sealing effect of the stacking height of the garbage hopper is realized, and the leakage of odor is avoided; the main combustion grate adopts a mechanical reciprocating grate, and garbage can be fully combusted through air supply and reciprocating action at the bottom of the grate; the waste heat utilization device can be used for placing a waste heat boiler and the like, effectively utilizes the waste heat of the flue gas and carries out resource utilization.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.