CN109780552B - Garbage pyrolysis waste heat power generation system - Google Patents
Garbage pyrolysis waste heat power generation system Download PDFInfo
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- CN109780552B CN109780552B CN201910103461.4A CN201910103461A CN109780552B CN 109780552 B CN109780552 B CN 109780552B CN 201910103461 A CN201910103461 A CN 201910103461A CN 109780552 B CN109780552 B CN 109780552B
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Abstract
The invention discloses a garbage pyrolysis waste heat power generation system.A plurality of first air suction pipes are fixed on the top wall in a furnace body and positioned in a drying cavity, each first air suction pipe is provided with a first air suction control electromagnetic valve, each first air suction pipe is communicated with an air suction channel, the other end of the air suction channel is connected with an air suction pump through an electromagnetic valve, and the air suction pump is connected with a screw generator; the controller is used for controlling the first roller to rotate so that the garbage at the first inclined material guide mechanism rolls by the first roller, controlling the heating pipe to dry the garbage, controlling the first baffle opening mechanism to open the first baffle after drying is completed so that the dried garbage enters the pyrolysis gasification layer, and then controlling the electromagnetic valve and the first air suction control electromagnetic valve to open to control the air suction pump to extract waste hot gas in the drying cavity to enter the screw generator to generate power.
Description
Technical Field
The invention relates to the technical field of waste heat recycling, in particular to a garbage pyrolysis waste heat power generation system.
Background
In recent years, with the development of the Chinese society, the urbanization process and the new rural construction pace are increasingly accelerated, the population in cities and towns is developing towards intensive living, the pollution of a large amount of domestic garbage generated in daily life to the living environment is serious, and the characteristics of large garbage amount, complex garbage types, less recyclable resources and the like exist, so that the treatment difficulty is high, and the treatment cost is high.
The existing domestic garbage treatment modes at home and abroad mainly comprise the following four modes:
the landfill method is characterized in that the operation is simple, most types of garbage can be treated, but the landfill method has the defects of large floor area, serious secondary pollution and the like.
The composting method is characterized in that the cost is low, but the composting method can only treat the household garbage which can decay organic biomass, the application range is narrow, the treatment period is long, methane gas generated by garbage fermentation is also hidden danger of fire and explosion, the greenhouse effect can be generated when the methane gas is discharged into the atmosphere, and unpleasant odor can be generated.
Thirdly, a burning method is used for burning the garbage to achieve the purposes of volume reduction, weight reduction and harmless treatment, and simultaneously, the heat generated in the burning process can be recycled, but auxiliary energy sources such as electric power, fuel oil and the like are required to be added during burning; if the burning conditions are improperly controlled, high carcinogenic substances such as dioxin and the like can be generated, the problem of smoke pollution exists, and the equipment investment is huge.
And fourthly, the high-temperature cracking method mainly adopts an external heating type indirect heating method, so that the energy consumption in the heating process is high, the recycling property of the cracked product is poor, the resource level is low, the recycling benefit is not obvious, and secondary pollution to the environment is easy to generate.
The methods have the risks of limitation and secondary pollution, the resource recovery rate is low in the treatment process, the benefits are not obvious, and more external energy is needed in the treatment process. In addition, the waste hot gas after the existing garbage treatment is directly discharged into the air, and the waste hot gas is not effectively recycled.
Disclosure of Invention
The invention provides a garbage pyrolysis waste heat power generation system aiming at the problems and the defects in the prior art.
The invention solves the technical problems through the following technical scheme:
the invention provides a garbage pyrolysis waste heat power generation system which is characterized by comprising a support frame, a furnace body, an electromagnetic valve, an air suction pump, a screw generator and a controller, wherein the furnace body is fixed on the support frame;
the drying layer is internally provided with a first inclined guide mechanism, a first baffle opening mechanism and a first roller, the first inclined guide mechanism, the first baffle and the inner top wall of the furnace body form a drying cavity body enclosing the first roller, heating pipes are arranged in the drying cavity body, the first inclined guide mechanism comprises a first folding section, a first arc-shaped section and a second folding section which are sequentially connected from the upper right to the lower left, the first folding section is fixedly arranged on the top side surface of the furnace body in a penetrating way and extends to the outside, the extending part of the first folding section and the top side surface of the furnace body form a feed inlet, the first roller is positioned above the first arc-shaped section, the arc shape of the first arc-shaped section is matched with the outer peripheral edge of the first roller, the inner top wall of the furnace body is hinged with one end of the first baffle and the first baffle opening mechanism, and the other end of the first baffle opening mechanism is hinged, the other end of the first baffle plate is in contact with the bottom end part of the first arc-shaped section in a natural state;
a plurality of first air suction pipes are fixed on the top wall in the furnace body and positioned in the drying cavity, each first air suction pipe is provided with a first air suction control electromagnetic valve, each first air suction pipe is communicated with an air suction channel, the other end of the air suction channel is connected with an air suction pump through an electromagnetic valve, and the air suction pump is connected with a screw generator;
the controller is used for controlling the first roller to rotate so that the garbage at the first inclined material guide mechanism rolls by the first roller, controlling the heating pipe to dry the garbage, controlling the first baffle opening mechanism to open the first baffle after drying is completed so that the dried garbage enters the pyrolysis gasification layer, and then controlling the electromagnetic valve and the first air suction control electromagnetic valve to open to control the air suction pump to extract waste hot gas in the drying cavity to enter the screw generator to generate power.
Preferably, a second inclined material guiding mechanism, a second baffle opening mechanism and a second roller are arranged in the pyrolysis gasification layer, the second inclined material guiding mechanism, the second baffle and the first inclined material guiding mechanism form a gasification cavity enclosing the second roller, high-temperature heating pipes are distributed in the pyrolysis gasification layer, the second inclined material guiding mechanism comprises a third arc section, a second arc section and a fourth folding section which are sequentially connected from top left to bottom right, the third folding section is fixed on the inner side wall of the furnace body, the second roller is positioned above the second arc section, the arc of the second arc section is matched with the outer peripheral edge of the second roller, the bottom end part of the fourth folding section is fixedly connected with the bottom of the furnace body, one end of the second baffle is fixed at the outer bottom of the first arc section, and one end of the second baffle opening mechanism is hinged on the inner side wall of the furnace body, the second baffle is hinged with the other end of the second baffle opening mechanism, the other end of the second baffle is in contact with the bottom end of the second arc-shaped section in a natural state, and the bottom of the furnace body is provided with an ash outlet;
a plurality of second air suction pipes are fixed on the top wall in the furnace body and are communicated with the gasification cavity, each second air suction pipe is provided with a second air suction control electromagnetic valve, and each second air suction pipe is communicated with an air suction channel;
the controller is used for controlling the second roller to rotate so that the garbage at the second inclined material guide mechanism rolls by the second roller, controlling the high-temperature heating pipe to pyrolyze and gasify the garbage, controlling the second baffle opening mechanism to open the second baffle after pyrolysis and gasification is completed so that the pyrolyzed and gasified garbage flows out through the ash outlet, controlling the electromagnetic valve and the second air suction control electromagnetic valve to open, and controlling the air suction pump to pump waste hot gas in the gasification cavity to enter the screw generator to generate power.
Preferably, the first baffle opening mechanism and the second baffle opening mechanism both adopt electric telescopic rods.
Preferably, the top cover of the feed inlet is provided with a cover plate.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
the invention accelerates the drying, pyrolysis and gasification processes of the household garbage through the roller structure, greatly improves the garbage treatment efficiency, reduces the garbage treatment cost, reduces the volume and the amount of the household garbage to the maximum extent, and avoids secondary pollution to the environment. Moreover, the invention can effectively utilize the waste hot gas after drying, pyrolysis and gasification in the furnace body to generate electricity, thereby realizing the reasonable utilization of the waste heat of garbage pyrolysis.
Drawings
Fig. 1 is a schematic structural diagram of a waste pyrolysis waste heat power generation system according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, the present embodiment provides a waste pyrolysis waste heat power generation system, which includes a support frame 1, a furnace body 2 fixed on the support frame 1, an electromagnetic valve 3, an air suction pump 4, a screw generator 5, and a controller, wherein the interior of the furnace body 1 is divided into a drying layer 6 and a pyrolysis gasification layer 7 from top to bottom.
A first inclined material guiding mechanism 8, a first baffle 9, a first baffle opening mechanism 10 (such as an electric telescopic rod) and a first roller 11 are arranged in the drying layer 6, the first inclined material guiding mechanism 8, the first baffle 9 and the inner top wall of the furnace body 1 form a drying cavity body which is surrounded by the first roller 11, heating pipes are arranged in the drying cavity body, the first inclined material guiding mechanism 8 comprises a first folding section, a first arc-shaped section and a second folding section which are sequentially connected from the upper right to the lower left, the first folding section is fixedly arranged on the top side surface of the furnace body 1 in a penetrating way and extends to the outside, an extending part of the first folding section and the top side surface of the furnace body 1 form a feeding hole, a cover plate 12 is arranged on the top cover of the feeding hole, the first roller 11 is positioned above the first arc-shaped section, the arc shape of the first arc-shaped section is matched with the outer peripheral edge of the first roller 11, and the inner top wall of the furnace body 1 is hinged with one end of the first baffle 9 and the, the first baffle 9 is hinged with the other end of the first baffle opening mechanism 10, and the other end of the first baffle 9 is in contact with the bottom end of the first arc-shaped section in a natural state.
The furnace body 1 is provided with a plurality of first air suction pipes 13 fixed on the inner top wall and located in the drying cavity, each first air suction pipe 13 is provided with a first air suction control electromagnetic valve, each first air suction pipe 13 is communicated with an air suction channel 14, the other end of the air suction channel 14 is connected with an air suction pump 4 through an electromagnetic valve 3, and the air suction pump 4 is connected with a screw generator 5.
A second inclined material guiding mechanism 15, a second baffle 16, a second baffle opening mechanism (such as an electric telescopic rod) 17 and a second roller 18 are arranged in the pyrolysis gasification layer 7, the second inclined material guiding mechanism 15, the second baffle 16 and the first inclined material guiding mechanism 8 form a gasification cavity body enclosing the second roller 18, high-temperature heating pipes are arranged in the pyrolysis gasification layer 7, the second inclined material guiding mechanism 15 comprises a third bending section, a second arc-shaped section and a fourth bending section which are sequentially connected from top left to bottom right, the third bending section is fixed on the inner side wall of the furnace body 1, the second roller 18 is positioned above the second arc-shaped section, the arc shape of the second arc-shaped section is matched with the outer peripheral edge of the second roller 18, the bottom end part of the fourth bending section is fixedly connected with the bottom of the furnace body 1, one end of the second baffle 16 is fixed at the outer bottom of the first arc-shaped section, the furnace body 1 inside wall articulates the one end of second baffle opening mechanism 17, the second baffle 16 articulates with the other end of second baffle opening mechanism 17, the other end of second baffle 16 contacts with the bottom end portion of second arcuation section when natural state, the ash hole has been seted up to furnace body 1 bottom.
A plurality of second air suction pipes 19 are fixed on the inner top wall of the furnace body 1 and communicated with the gasification cavity, each second air suction pipe 19 is provided with a second air suction control electromagnetic valve, and each second air suction pipe 19 is communicated with the air suction channel 14.
The working principle of the invention is described in detail as follows:
the controller is used for controlling the first roller 11 to rotate so that the garbage at the first inclined material guiding mechanism 8 is rolled by the first roller 11, controlling the heating pipe to dry the garbage, and controlling the first baffle opening mechanism 10 to open the first baffle 9 after the drying is finished so that the dried garbage enters the pyrolysis gasification layer 7. Specifically, the cover plate 12 is opened, the household garbage slides into the first folding section of the first inclined material guiding mechanism 8 from the material inlet and is ready to enter the first arc-shaped section, at the moment, the controller controls the first roller 11 to start working, the first roller 11 rotates anticlockwise to drive the household garbage to rotate anticlockwise, and the heating pipe heats the household garbage in the drying layer 6; after the domestic garbage is dried, the controller controls the first roller 11 to rotate clockwise to drive the domestic garbage to rotate clockwise, at the moment, the first electric telescopic rod 10 retracts automatically to drive the first baffle 9 hinged with the first baffle to move, so that a gap exists between the first baffle 9 and the second folding section, the domestic garbage flows out of the gap, moves towards the third folding section of the second inclined material guiding mechanism 15 along the second folding section, and is ready to enter the second arc-shaped section.
And then, the controller controls the electromagnetic valve 3 and the first air suction control electromagnetic valve to be opened, and controls the air suction pump 4 to pump the waste hot gas in the drying cavity to enter the screw generator 5 for power generation.
At this time, the controller controls the second roller 18 to start working, and the second roller 18 rotates clockwise to drive the household garbage to rotate clockwise. The high-temperature heating pipe heats and pyrolyzes the garbage substances in the gasification layer 7 at high temperature and realizes complete gasification and combustion.
After domestic waste pyrolysis gasification accomplished, second cylinder 18 anticlockwise rotation drives the remaining lime-ash after the pyrolysis gasification also to carry out anticlockwise rotation, and at this moment, second electric telescopic handle 15 automatic retraction to drive and move rather than articulated second baffle 16, thereby make and have the gap between second baffle 16 and the fourth section of inflection, the remaining lime-ash after the pyrolysis gasification flows out and discharges along fourth section of inflection and ash outlet from this gap.
And then, the controller controls the electromagnetic valve 3 and the second air suction control electromagnetic valve to be opened, and controls the air suction pump 4 to pump the waste hot gas in the gasification cavity into the screw generator 5 to generate power.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (4)
1. A garbage pyrolysis waste heat power generation system is characterized by comprising a support frame, a furnace body fixed on the support frame, an electromagnetic valve, an air suction pump, a screw generator and a controller, wherein the interior of the furnace body is divided into a drying layer and a pyrolysis gasification layer from top to bottom;
the drying layer is internally provided with a first inclined guide mechanism, a first baffle opening mechanism and a first roller, the first inclined guide mechanism, the first baffle and the inner top wall of the furnace body form a drying cavity body enclosing the first roller, heating pipes are arranged in the drying cavity body, the first inclined guide mechanism comprises a first folding section, a first arc-shaped section and a second folding section which are sequentially connected from the upper right to the lower left, the first folding section is fixedly arranged on the top side surface of the furnace body in a penetrating way and extends to the outside, the extending part of the first folding section and the top side surface of the furnace body form a feed inlet, the first roller is positioned above the first arc-shaped section, the arc shape of the first arc-shaped section is matched with the outer peripheral edge of the first roller, the inner top wall of the furnace body is hinged with one end of the first baffle and the first baffle opening mechanism, and the other end of the first baffle opening mechanism is hinged, the other end of the first baffle plate is in contact with the bottom end part of the first arc-shaped section in a natural state;
a plurality of first air suction pipes are fixed on the top wall in the furnace body and positioned in the drying cavity, each first air suction pipe is provided with a first air suction control electromagnetic valve, each first air suction pipe is communicated with an air suction channel, the other end of the air suction channel is connected with an air suction pump through an electromagnetic valve, and the air suction pump is connected with a screw generator;
the controller is used for controlling the first roller to rotate so that the garbage at the first inclined material guide mechanism rolls by the first roller, controlling the heating pipe to dry the garbage, controlling the first baffle opening mechanism to open the first baffle after drying is completed so that the dried garbage enters the pyrolysis gasification layer, and then controlling the electromagnetic valve and the first air suction control electromagnetic valve to open to control the air suction pump to extract waste hot gas in the drying cavity to enter the screw generator to generate power.
2. The garbage pyrolysis waste heat power generation system according to claim 1, wherein a second inclined material guiding mechanism, a second baffle opening mechanism and a second roller are arranged in the pyrolysis gasification layer, the second inclined material guiding mechanism, the second baffle and the first inclined material guiding mechanism form a gasification cavity enclosing the second roller, high temperature heating pipes are arranged in the pyrolysis gasification layer, the second inclined material guiding mechanism comprises a third bending section, a second arc-shaped section and a fourth bending section which are sequentially connected from top left to bottom right, the third bending section is fixed on the inner side wall of the furnace body, the second roller is positioned above the second arc-shaped section, the arc shape of the second arc-shaped section is matched with the outer periphery of the second roller, the bottom end of the fourth bending section is fixedly connected with the bottom of the furnace body, and one end of the second baffle is hinged to the outer bottom of the first arc-shaped section, the inner side wall of the furnace body is hinged with one end of a second baffle opening mechanism, the second baffle is hinged with the other end of the second baffle opening mechanism, the other end of the second baffle is in contact with the bottom end part of a second arc-shaped section in a natural state, and the bottom of the furnace body is provided with an ash outlet;
a plurality of second air suction pipes are fixed on the top wall in the furnace body and are communicated with the gasification cavity, each second air suction pipe is provided with a second air suction control electromagnetic valve, and each second air suction pipe is communicated with an air suction channel;
the controller is used for controlling the second roller to rotate so that the garbage at the second inclined material guide mechanism rolls by the second roller, controlling the high-temperature heating pipe to pyrolyze and gasify the garbage, controlling the second baffle opening mechanism to open the second baffle after pyrolysis and gasification is completed so that the pyrolyzed and gasified garbage flows out through the ash outlet, controlling the electromagnetic valve and the second air suction control electromagnetic valve to open, and controlling the air suction pump to pump waste hot gas in the gasification cavity to enter the screw generator to generate power.
3. The waste pyrolysis and heat power generation system of claim 2, wherein the first baffle opening mechanism and the second baffle opening mechanism are both electric telescopic rods.
4. The waste pyrolysis and heat power generation system of claim 1, wherein the top cover of the feed inlet is provided with a cover plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910103461.4A CN109780552B (en) | 2019-02-01 | 2019-02-01 | Garbage pyrolysis waste heat power generation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910103461.4A CN109780552B (en) | 2019-02-01 | 2019-02-01 | Garbage pyrolysis waste heat power generation system |
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| CN109780552A CN109780552A (en) | 2019-05-21 |
| CN109780552B true CN109780552B (en) | 2020-04-10 |
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| CN112460598B (en) * | 2020-12-02 | 2022-12-16 | 上海能辉科技股份有限公司 | Multi-section coupling system and process for garbage pyrolysis furnace and coal-fired boiler |
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| JP4017117B2 (en) * | 2003-12-11 | 2007-12-05 | 有限会社エクア | Depolluter |
| CN201262401Y (en) * | 2008-08-08 | 2009-06-24 | 张伟星 | Gas discharging and processing system of rubbish gasification combustion furnace |
| CN205606574U (en) * | 2016-04-22 | 2016-09-28 | 宿迁中油优艺环保服务有限公司 | Medical treatment garbage pyrolytic recovery system |
| CN208186364U (en) * | 2018-03-27 | 2018-12-04 | 梁淑雅 | A kind of novel household garbage pyrolysis gasification furnace |
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