CN211822400U

CN211822400U - Pyrolysis furnace for treating household and kitchen waste

Info

Publication number: CN211822400U
Application number: CN201922321397.5U
Authority: CN
Inventors: 屠建国; 熊国光; 屠亮; 屠晓波
Original assignee: Sichuan Jingfeng Machinery Co ltd
Current assignee: Sichuan Jingfeng Machinery Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-10-30
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a pyrolysis oven for life, kitchen garbage handle comprises feed inlet, dry section, preheating section, a combustion chamber, two combustion chambers, vaporizer, dry thorax, rabbling mechanism, rotation type furnace grate etc. and the furnace body is built by laying bricks or stones by refractory material, keeps warm with high temperature rock wool, and the shell is sealed with the phi 235 steel sheet, scribbles anticorrosive paint outward. The principle of the pyrolysis is that the garbage is firstly dried and preheated at the top of the furnace, then is primarily combusted in a combustion chamber, the secondary combustion chamber is gasified and insulated for sufficient combustion at 800-850 ℃, the insulation time is 3 seconds, ash is discharged from a discharge hole, flue gas enters an air condenser for 0.3 second and is rapidly reduced to below 80 ℃, and dioxin reduction is prevented. The pyrolysis furnace does not generate harmful gas mainly in the garbage treatment process, and effectively reduces the atmospheric pollution.

Description

Pyrolysis furnace for treating household and kitchen waste

Technical Field

The utility model relates to a refuse treatment equipment technical field, the more specifically pyrolysis oven that is used for life, kitchen garbage to handle that says so.

Background

In recent years, with the improvement of the living standard of people in China, the generation amount of household garbage is also increased sharply. The domestic garbage in rural areas not only occupies a large amount of land, but also pollutes water, atmosphere and soil, harms agricultural ecology, influences environmental sanitation and causes harm to ecological systems and the health of people.

Domestic garbage is treated mainly by a sanitary landfill method, a composting method, an incineration method and the like, and after the domestic garbage is incinerated, efficient, stable, rapid and thorough harmless treatment can be achieved. Therefore, incineration is widely used in developed countries and southern regions of China as a relatively efficient waste reduction treatment technology. However, in the existing incineration treatment equipment, a large amount of energy needs to be provided for the equipment during incineration treatment so as to realize sufficient incineration of the garbage; when the energy is insufficient, the garbage incineration is insufficient, and secondary incineration is needed, so that the energy consumption is greatly increased; however, if sufficient energy is supplied, although sufficient incineration of the garbage is achieved, energy is wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's not enough, a pyrolysis oven for life, kitchen garbage handles is provided, the utility model discloses a drop into rubbish in the combustion chamber, make rubbish under an anaerobic condition, after supplying with certain heat energy, make rubbish take place heat and resolve out the volatile, tar and methane, gaseous products such as oxygen, along with the pyrolysis of rubbish makes inside temperature rise gradually, change gasification into from the pyrolysis, combustible gas in the increase combustion chamber in a large number, tar, make rubbish fully burn totally change inorganic residue into, the whole process only needs the prerequisite to supply a small amount of heat, can accomplish the processing of rubbish, utilize the heat preservation to last the inside constancy of temperature of effectual assurance simultaneously, reduce heat and scatter and disappear, rubbish self-combustion has been realized, the effectual consumption that reduces the energy.

The purpose of the utility model is realized through the following technical scheme: the pyrolysis furnace for treating the domestic and kitchen waste comprises a pyrolysis furnace body and a waste lifting mechanism, wherein a feeding hole is formed in the upper end face of the pyrolysis furnace body, an incineration residue discharging hole is formed in one side wall of the pyrolysis furnace body, which is close to the bottom, and is butted with a slag discharging device;

the pyrolysis furnace comprises a pyrolysis furnace body, and is characterized in that the pyrolysis furnace body comprises a heat insulation layer, a combustion chamber and an ash chamber, the heat insulation layer is formed by enclosing refractory bricks, the combustion chamber and the ash chamber are enclosed in a heat insulation layer coating mode, the combustion chamber is used for pyrolysis, gasification and combustion of garbage, the ash chamber is arranged below the combustion chamber, and the ash chamber is used for depositing ash generated after the garbage is combusted.

Further, be equipped with air inlet and hot-blast backward flow mouth on the lateral wall of combustion chamber, the air inlet with set up from top to bottom hot-blast backward flow mouth, the air inlet set up with the combustion chamber lateral wall that the cinder discharge gate is relative is being burnt, and air inlet and hot-blast backward flow mouth all are connected with the air-blower, still are equipped with the exhanst gas outlet on the lateral wall of combustion chamber.

Further, arrange the sediment device and include casing, auger shaft and motor, the casing is hollow cylinder, and bolt and discharging device flange butt joint are passed through to casing one end, and the other end of casing is equipped with the transmission seat and the ejection of compact props up the mouth, the ejection of compact props up the mouth and locates the front end of transmission seat, auger shaft is located in the casing, motor fixed mounting is in on the transmission seat, the output shaft of motor with the one end transmission of auger shaft is connected, and auger shaft's the other end extends to this internally of pyrolysis oven.

Furthermore, the garbage lifting mechanism comprises a connecting rod, a sliding rail, a tractor and a lifting hopper, one end of the connecting rod is fixedly connected with the rack, the other end of the connecting rod is connected with the sliding rail, the sliding rail is composed of two channel steel, openings of the channel steel are oppositely arranged, a crawling ladder is welded on the sliding rail, a pulley is arranged on the crawling ladder at the top end of the sliding rail, the tractor is arranged on the rack, a traction rope of the tractor penetrates through the pulley to be connected with the lifting hopper, a roller shaft is arranged at the end, close to the sliding rail, of the lifting hopper, pulleys are arranged at two ends of the roller shaft, and the pulleys are matched.

Furthermore, the ash chamber comprises a rectangular column section and an inverted pyramid section, the rectangular column section is in butt joint with the combustion chamber, and the inverted pyramid section is in butt joint with the incineration residue discharge port.

Furthermore, the outer wall of the rectangular column section of the ash chamber is provided with a first observation port, the first observation port is arranged at the same side of the incineration residue discharge port, the opposite side wall of the first observation port is provided with a second observation port, a third observation port is arranged above the first observation port, and the third observation port is arranged on the side wall of the combustion chamber.

Further, the aperture of the second observation port is larger than the aperture of the first observation port.

Furthermore, the feed inlet is in butt joint with a hopper, and an opening of the hopper faces the garbage lifting mechanism.

The utility model has the advantages that:

1) the utility model discloses an in dropping into the combustion chamber with rubbish, make rubbish under an anaerobic condition, after supplying with certain heat energy, make rubbish take place hot and resolve out the volatile, tar and methane, gaseous products such as oxygen, pyrolysis along with rubbish makes inside temperature rise gradually, change gasification from the pyrolysis, combustible gas in the massive increase combustion chamber, tar, make rubbish fully burning change inorganic residue into totally, the whole process only needs the prerequisite to supply a small amount of heat, can accomplish the processing of rubbish, utilize the heat preservation to last the inside constancy of temperature of effectual assurance simultaneously, reduce the heat and scatter and disappear, rubbish self-combustion has been realized, the effectual consumption that reduces the energy.

2) Compared with the existing product, the product has the following advantages: in the pyrolysis and gasification process of the landfill, organic matter components in the waste can be converted into different available energy forms such as combustible gas, tar and the like, so that the economy is better; the air coefficient is lower when the garbage is gasified, the smoke discharge amount is greatly reduced, the energy utilization rate is improved, the discharge amount of ammonia oxide is reduced, and the investment and the operation cost of flue gas treatment equipment are reduced; under the reducing atmosphere, the metal is not oxidized, so that the metal is convenient to recycle, and meanwhile, the metals such as Cu, Fe and the like are not easy to generate catalysts for promoting the formation of dioxin; the smoke generated by the pyrolysis gasification method has less contents of pollutants such as heavy metal, dioxin and the like, has small secondary pollution, simplifies the pollution control problem and is safer to the environment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a left side view of the structure of the present invention;

fig. 4 is a schematic view of the structure of the slag discharging device of the present invention.

In the figure, 1-a pyrolysis furnace body, 11-a combustion chamber, 111-an air inlet, 112-a hot air return port, 113-a flue gas outlet, 114-a first observation port, 115-a second observation port, 116-a third observation port, 12-an ash chamber, 2-a garbage lifting mechanism, 21-a connecting rod, 22-a sliding rail, 23-a lifting hopper, 3-a feed inlet, 4-an incineration slag discharge outlet, 5-a slag discharging device, 51-a shell, 52-a packing auger shaft, 53-a motor, 54-a transmission seat and 6-a hopper.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.

The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal, vertical or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Furthermore, the terms "substantially", and the like are intended to indicate that the relative terms are not necessarily strictly required, but may have some deviation. For example: "substantially equal" does not merely mean absolute parallelism, and because absolute equality is difficult to achieve in actual production and operation, certain deviations generally exist. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: the pyrolysis furnace for treating the domestic and kitchen waste comprises a pyrolysis furnace body 1 and a waste lifting mechanism 2, wherein a waste discharging port 4 is formed in one side wall of the pyrolysis furnace body 1, which is close to the bottom, of the pyrolysis furnace body 1, a hopper 6 is butt-jointed to the feeding port 3, the opening of the hopper 6 faces the waste lifting mechanism 2, the caliber of the feeding port 3 is increased through the hopper 6, and the hopper 6 and the feeding port 3 are sealed only by directly sealing, so that the pyrolysis furnace is convenient and practical and is beneficial to pouring the waste into a combustion chamber 11; the incinerator slag discharge port 4 is in butt joint with a discharge device, the garbage lifting mechanism 2 is arranged on the side wall of the pyrolysis furnace body 1, the side wall provided with the garbage lifting mechanism 2 is perpendicular to the side wall provided with the incinerator slag discharge port 4, and the opening of the hopper 6 faces the garbage lifting mechanism 2; the pyrolysis furnace comprises a pyrolysis furnace body 1 and is characterized in that the pyrolysis furnace body comprises a heat insulation layer, a combustion chamber 11 and an ash chamber 12, the heat insulation layer is formed by enclosing refractory bricks, the heat insulation layer covers the combustion chamber 11 and the ash chamber 12, the combustion chamber 11 is used for pyrolysis, gasification and combustion of garbage, the ash chamber 12 is arranged below the combustion chamber 11, and the ash chamber 12 is used for depositing ash generated after the garbage is combusted. Be equipped with air inlet 111 and hot-blast backward flow mouth 112 on the lateral wall of combustion chamber 11, air inlet 111 with hot-blast backward flow mouth 112 sets up from top to bottom, air inlet 111 set up with the combustion chamber 11 lateral wall that the cinder discharge gate 4 is relative, and air inlet 111 and hot-blast backward flow mouth 112 all are connected with the air-blower, still are equipped with exhanst gas outlet 113 on the lateral wall of combustion chamber 11. Set up air inlet 111, be convenient for provide oxygen in the combustion chamber 11, can satisfy the supply of oxygen when the gasification postcombustion of rubbish of being convenient for, make its burning that can be abundant, can retrieve heat energy through hot-blast backward flow mouth 112, keep the constancy of temperature in the combustion chamber 11, do benefit to pyrolysis gasification, gas outlet 113 then does benefit to the flue gas emission of burning.

The utility model discloses a drop into rubbish into combustion chamber 11, make rubbish under an anaerobic condition, after supplying with certain heat energy, make rubbish take place hot and resolve out the volatile, tar and methane, gaseous products such as oxygen, pyrolysis along with rubbish makes inside temperature rise gradually, change gasification from the pyrolysis, combustible gas in the increase combustion chamber 11 in a large number, tar, make rubbish fully burn change inorganic residue totally, the whole process only needs the prerequisite to supply a small amount of heat, can accomplish the processing of rubbish, rubbish self-combustion has been realized, the effectual consumption that reduces the energy.

Arrange sediment device 5 and include casing 51, auger shaft 52 and motor 53, casing 51 is hollow cylinder, and bolt and the butt joint of discharging device flange are passed through to casing 51 one end, and casing 51's the other end is equipped with transmission 54 and the ejection of compact and props up the mouth, the ejection of compact props up the mouth and locates the front end of transmission 54, auger shaft 52 locates in the casing 51, motor 53 fixed mounting be in on the transmission 54, motor 53's output shaft with the one end transmission of auger shaft 52 is connected, and auger shaft 52's the other end extends to in the pyrolysis oven body 1. The auger shaft 52 is driven to rotate by the motor 53, and ash residues remained after combustion can be continuously discharged outwards by the rotation of the auger shaft 52. The manual slag discharging is not needed, the labor intensity is reduced, and the slag discharging speed and efficiency are increased.

The garbage lifting mechanism 2 comprises a connecting rod 21, a sliding rail 22, a tractor and a lifting hopper 23, one end of the connecting rod 21 is fixedly connected with the rack, the other end of the connecting rod 21 is connected with the sliding rail 22, the sliding rail 22 is composed of two channel steel, openings of the channel steel are oppositely arranged, a ladder stand is further welded on the sliding rail 22, a pulley is arranged on the ladder stand at the top end of the sliding rail 22, the tractor is arranged on the rack, a traction rope of the tractor penetrates through the pulley to be connected with the lifting hopper 23, an idler wheel shaft is arranged at the end, close to the sliding rail 22, of the lifting hopper 23, pulleys are arranged at two ends of the idler wheel shaft, and. The top of slide rail 22 is crooked setting, and the automation of being convenient for rubbish is emptyd, realizes intelligent control.

Ash chamber 12 includes rectangular column section and inverted pyramid section, the rectangular column section with combustion chamber 11 docks, the inverted pyramid section with burn the butt joint of sediment discharge gate 4, the rectangular column section outer wall of ash chamber 12 is equipped with first viewing aperture 114, first viewing aperture 114 with burn sediment discharge gate 4 homonymy, first viewing aperture 114 is equipped with second viewing aperture 115 to the lateral wall, third viewing aperture 116 is located to first viewing aperture 114's top, third viewing aperture 116 is located on combustion chamber 11's the lateral wall, through first viewing aperture 114 and second viewing aperture 115, can conveniently look over the inside condition, avoid appearing the lime-ash and pile up too much, influence the interior lime-ash that burns totally of combustion chamber 11 and discharge downwards, and the combustion condition of the inside rubbish of combustion chamber 11 can be observed to third viewing aperture 116. Utilize foretell sediment device 5 of arranging, it is more convenient to make to arrange the sediment, has increased holistic sediment efficiency of arranging, reduces the sediment time, can also avoid appearing the lime-ash and pile up or be covered with whole lime-ash room 12 in lime-ash room 12, and the lime-ash is covered with lime-ash room 12 and can increase the sediment degree of difficulty, and the time that needs open the discharge gate when clearing up simultaneously increases, leads to getting into a large amount of oxygen in the combustion chamber 11, makes rubbish can't carry out the pyrolysis.

The aperture of the second viewing port 115 is larger than the aperture of the first viewing port 114.

The method is realized by the pyrolysis furnace for treating the household kitchen waste, and the pyrolysis steps are as follows:

s1, firstly, putting the primarily treated household kitchen waste into a lifting hopper 23;

s2, intelligently controlling the tractor to operate through the controller, enabling the lifting hopper 23 to move upwards to the hopper 6 along the slide rail 22, enabling the lifting hopper 623 to gradually incline to the tail end of the slide rail 22 by utilizing the arc design of the top end of the slide rail 22, and feeding the garbage into the feed port 3;

s3, after the garbage is put into the furnace, the feed inlet is closed, the garbage is dried and preheated at the top of the furnace, then the garbage entering the closed combustion chamber is in an oxygen-free state and is pyrolyzed, and after the garbage is pyrolyzed for a period of time, less oxygen is provided, so that the pyrolyzed garbage is gasified, the internal temperature is kept at 800-850 ℃, and then the garbage is combusted;

s4, changing the garbage completely burnt into ash, dropping the ash into an ash chamber, discharging the ash through an ash discharge port, and allowing the flue gas to enter an air condenser for rapid cooling to 20-80 ℃ to prevent reduction of dioxin.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A pyrolysis oven for life, kitchen garbage handle, its characterized in that: the incinerator comprises a pyrolysis furnace body (1) and a garbage lifting mechanism (2), wherein a feeding port (3) is formed in the upper end face of the pyrolysis furnace body (1), an incineration residue discharging port (4) is formed in one side wall of the pyrolysis furnace body (1) close to the bottom, a slag discharging device (5) is butted on the incineration residue discharging port (4), the garbage lifting mechanism (2) is arranged on the side wall of the pyrolysis furnace body (1), and the side wall provided with the garbage lifting mechanism (2) is perpendicular to the side wall provided with the incineration residue discharging port (4);

including heat preservation, combustion chamber (11) and ash chamber (12) in the pyrolysis oven body (1), the heat preservation is enclosed by resistant firebrick, and heat preservation cladding formula will combustion chamber (11) with ash chamber (12) surround, combustion chamber (11) are used for the pyrolysis, gasification and the burning of rubbish, the below of combustion chamber (11) is located in ash chamber (12), and ash chamber (12) are used for depositing the lime-ash that produces after the rubbish burning.

2. The pyrolysis furnace for household and kitchen waste treatment according to claim 1, characterized in that: be equipped with air inlet (111) and hot-blast backward flow mouth (112) on the lateral wall of combustion chamber (11), air inlet (111) with hot-blast backward flow mouth (112) set up from top to bottom, air inlet (111) set up with combustion chamber (11) lateral wall that incineration residue discharge gate (4) is relative, and air inlet (111) and hot-blast backward flow mouth (112) all are connected with the air-blower, still are equipped with exhanst gas outlet (113) on the lateral wall of combustion chamber (11).

3. The pyrolysis furnace for household and kitchen waste treatment according to claim 1, characterized in that: arrange sediment device (5) and include casing (51), auger shaft (52) and motor (53), casing (51) are hollow cylinder, and bolt and discharging device flange butt joint are passed through to casing (51) one end, and the other end of casing (51) is equipped with transmission seat (54) and ejection of compact and props up the mouth, the ejection of compact props up the mouth and locates the front end of transmission seat (54), auger shaft (52) are located in casing (51), motor (53) fixed mounting be in on transmission seat (54), the output shaft of motor (53) with the one end transmission of auger shaft (52) is connected, and the other end of auger shaft (52) extends to in the pyrolysis oven body (1).

4. The pyrolysis furnace for household and kitchen waste treatment according to claim 1, characterized in that: the garbage lifting mechanism (2) comprises a connecting rod (21), a sliding rail (22), a tractor and a lifting hopper (23), one end of the connecting rod (21) is fixedly connected with the rack, the other end of the connecting rod (21) is connected with the sliding rail (22), the sliding rail (22) is composed of two channel steel, openings of the channel steel are oppositely arranged, a climbing ladder is welded on the sliding rail (22), a pulley is arranged on the climbing ladder at the top end of the sliding rail (22), the tractor is arranged on the rack, a traction rope of the tractor penetrates through the pulley to be connected with the lifting hopper (23), a roller shaft is arranged at the end, close to the sliding rail (22), of the lifting hopper (23), pulleys are arranged at two ends of the roller shaft, and the pulleys are matched with the sliding rail (22).

5. The pyrolysis furnace for household and kitchen waste treatment according to claim 1, characterized in that: the ash chamber (12) comprises a rectangular column section and a reverse pyramid section, the rectangular column section is in butt joint with the combustion chamber (11), and the reverse pyramid section is in butt joint with the incineration residue discharge port (4).

6. The pyrolysis furnace for household and kitchen waste treatment according to claim 5, characterized in that: the ash chamber (12) rectangle post section outer wall is equipped with first viewing aperture (114), first viewing aperture (114) with burn sediment discharge gate (4) homonymy, the contralateral wall of first viewing aperture (114) is equipped with second viewing aperture (115), third viewing aperture (116) are located to the top of first viewing aperture (114), third viewing aperture (116) are located on the lateral wall of combustion chamber (11).

7. The pyrolysis furnace for household and kitchen waste treatment according to claim 6, characterized in that: the aperture of the second observation port (115) is larger than the aperture of the first observation port (114).

8. The pyrolysis furnace for household and kitchen waste treatment according to claim 1, characterized in that: the feed inlet (3) is butted with a hopper (6), and an opening of the hopper (6) faces the garbage lifting mechanism (2).