CN112032763A

CN112032763A - Environment-friendly feeding mechanism of straw gasification furnace

Info

Publication number: CN112032763A
Application number: CN202010953178.3A
Authority: CN
Inventors: 李卫
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2020-12-04

Abstract

The invention relates to the technical field of energy conservation and environmental protection, and discloses an environment-friendly feeding mechanism of a straw gasification furnace, which comprises a furnace body, wherein an ash filtering plate is fixedly arranged in the middle of an inner cavity of the furnace body, an ash containing cavity is arranged at the lower end of the inner cavity of the furnace body, and one end of the outer wall of the ash containing cavity is fixedly connected with an air inlet pipe. According to the invention, the auxiliary feeding mechanism is additionally arranged in the inner cavity of the straw gasification furnace, so that when the straw gasification furnace normally works, a material to be combusted is placed in the feeding cavity at the feeding port, the feeding disc is rotated anticlockwise, and after the lower end of the feeding cavity is rotated away from the bottom plate, the material to be combusted is enabled to fall into the inner cavity of the gasification furnace from the cavity of the lower limiting plate under the action of the downward gravity of the movable plate, after the feeding disc rotates for a certain angle, the movable plate rotates to be above the bottom plate, and under the action of repulsion between the movable plate and the bottom plate and attraction of the upper limiting plate, the movable plate moves upwards, so that the feeding cavity is opened, and the next feeding is facilitated.

Description

Environment-friendly feeding mechanism of straw gasification furnace

Technical Field

The invention relates to the technical field of energy conservation and environmental protection, in particular to an environment-friendly feeding mechanism of a straw gasification furnace.

Background

The straw gasification furnace is characterized in that biomass straw is compressed and molded into granular fuel serving as a raw material, air and steam are used as gasification agents to prepare coal gas for catering, cooking ranges, boilers and various heating furnaces to replace fuel oil, a large amount of cost is saved for users at low price, the biomass granular fuel gasification technology is an energy conversion process of heating reaction of biomass granular raw materials in an anoxic state, biomass generally comprises carbon, hydrogen, oxygen and other elements and ash, when the biomass is ignited, a small amount of air (oxygen) is supplied, effective measures are taken to control the reaction process, the carbon and hydrogen elements are changed into combustible gases such as carbon monoxide, methane, hydrogen and the like, and most of energy in the straw is transferred into the gas, namely the gasification process.

The method utilizes partial combustion of oxygen and biomass to provide heat for thermal decomposition and reduction reaction so as to convert solid biomass into gas fuel, but because the traditional straw gasification furnace is generally disposable feeding and disposable use, the fuel combustion time is short, and the room cannot be heated, and when the straw gasification furnace is repeatedly fed, the feeding port of the furnace body needs to be opened to feed the gas, so that the condition that smoke overflows from the feeding port outwards can be caused, the environmental pollution is caused, the temperature in the furnace is reduced, the subsequent fuel combustion efficiency is influenced, the fuel consumption is increased, the fuel of the gasification furnace can be used only by being dried completely, otherwise, the fuel has high moisture, the gas generation efficiency is influenced, and the excessive moisture can cause the interruption of gas generation and generate a large amount of harmful smoke.

Disclosure of Invention

Aiming at the defects of the prior straw gasification furnace in the use process, the invention provides an environment-friendly feeding mechanism of the straw gasification furnace, which has the advantages of auxiliary feeding, energy conservation and environment protection and solves the technical problems in the prior art.

The invention provides the following technical scheme: an environment-friendly feeding mechanism of a straw gasification furnace comprises a furnace body, wherein an ash filtering plate is fixedly arranged in the middle of an inner cavity of the furnace body, an ash containing cavity is arranged at the lower end of the inner cavity of the furnace body, an air inlet pipe is fixedly connected to one end of the outer wall of the ash containing cavity, an ignition port is formed in the other end of the middle of the outer surface of the furnace body, an air outlet pipe is fixedly connected to one end of the outer surface of the furnace body, a feeding port is formed in one side of the upper end of the outer surface of the furnace body, a feeding disc is movably connected to the upper end of the inner cavity of the furnace body, a bottom plate positioned below the feeding disc is fixedly connected to the inner cavity of the furnace body, a lower limiting plate is fixedly connected to one end of the outer surface of the feeding disc, a guide rod is fixedly connected to the middle of the lower limiting plate, the middle part of the feeding cavity is movably sleeved with a movable plate positioned on the outer surface of the guide rod, the movable plate and the bottom plate are made of magnetic materials, and the movable plate and the bottom plate are mutually exclusive.

Preferably, the number of the feeding cavities on the outer surface of the feeding disc is three to four, the middle part of each feeding cavity is movably sleeved with a movable plate, the bottom plate is fan-shaped, and the angle of the bottom plate is one hundred twenty degrees.

Preferably, the upper end fixedly connected with of furnace body, the inner chamber swing joint that is located furnace body one side have, the upper end through with one end swing joint, the activity of upper end cup joint, the upper end be located and seted up the venthole, and through cup jointing with the activity, the upper end swing joint of furnace body inner chamber has, the upper surface swing joint of extension board has, one side fixedly connected with baffle of fly leaf upper surface, the upper end of baffle has magnetism, and the shape of baffle is semicircular.

Preferably, the upper limiting plate is made of a magnetic material, and the lower end of the upper limiting plate is different from the magnetic pole at the upper end of the movable plate.

The invention has the following beneficial effects:

1. according to the invention, the auxiliary feeding mechanism is additionally arranged in the inner cavity of the straw gasification furnace, so that when the straw gasification furnace normally works, a material to be combusted is placed in the feeding cavity at the feeding port, the feeding disc is rotated anticlockwise, and after the lower end of the feeding cavity is rotated away from the bottom plate, the material to be combusted is enabled to fall into the inner cavity of the gasification furnace from the cavity of the lower limiting plate under the action of the downward gravity of the movable plate, after the feeding disc rotates for a certain angle, the movable plate rotates to be above the bottom plate, and under the action of repulsion between the movable plate and the bottom plate and attraction of the upper limiting plate, the movable plate moves upwards, so that the feeding cavity is opened, and the next feeding is facilitated.

2. According to the invention, the fuel drying mechanism is additionally arranged, so that when fuel is put into the straw gas furnace, the material to be combusted can be rotated to the other side of the bottom plate of the inner cavity of the straw gasification furnace by clockwise rotating the feeding disc, the temperature of the inner cavity of the furnace body can be rapidly raised when the straw gasification furnace normally works, the material to be combusted positioned on one side of the bottom plate can be rapidly dried by the waste heat of the flue gas when the generated flue gas is conveyed outwards, and the dried material to be combusted can be fed into the furnace body to participate in combustion when the next feeding is carried out, and the material which is put into the furnace body is dried.

3. According to the invention, through the addition of the automatic feeding mechanism, when the straw gasification furnace normally works, after the feeding of the feeding cavity of the feeding disc at the feeding port is completed, the feeding disc can automatically rotate forwards or backwards according to the internal air pressure state when the straw gasification furnace works, and when the fuel moisture is too large, the smoke in the furnace is increased too much, so that when the air pressure in the furnace is too large, the auxiliary air pipe is opened, the internal air is transmitted outwards, the feeding disc rotates clockwise, the fuel is automatically dried, and when the fuel in the furnace is burnt out, the air pressure in the furnace is reduced under the action of the exhaust fan at the air outlet pipe, the auxiliary air pipe moves downwards under the action of the atmospheric pressure, so that the auxiliary air pipe is communicated with the furnace, and the feeding disc rotates anticlockwise under the action of the air pressure, so that the automatic feeding is performed in the furnace.

Drawings

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

FIG. 2 is a schematic perspective view of a feeding tray according to the present invention;

FIG. 3 is a perspective view of the inner structure of the material feeding tray according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the bottom plate structure of the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

fig. 7 is a schematic view of the structure of the rotating disk of the present invention.

In the figure: 1. a furnace body; 2. an ash filtering plate; 3. an ash containing cavity; 4. an air inlet pipe; 5. an ignition port; 6. an air outlet pipe; 7. an auxiliary air pipe; 8. a feeding port; 9. feeding a material tray; 10. a base plate; 11. a lower limiting plate; 12. an upper limiting plate; 13. a guide bar; 14. a movable plate; 15. a feeding cavity; 16. a baffle plate; 17. rotating the disc; 18. a fan opening plate; 19. an upper movable cylinder; 20. a lower movable cylinder; 21. a first spring; 22. a second spring.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-7, an environment-friendly feeding mechanism of straw gasification furnace, comprising a furnace body 1, wherein an ash filtering plate 2 is fixedly arranged in the middle of the inner cavity of the furnace body 1, an ash containing cavity 3 is arranged at the lower end of the inner cavity of the furnace body 1, an air inlet pipe 4 is fixedly connected with one end of the outer wall of the ash containing cavity 3, an ignition port 5 is arranged at the other end of the middle part of the outer surface of the furnace body 1, and an air outlet pipe 6 is fixedly connected with one end of the outer surface of the: a feeding hole 8 is formed in one side of the upper end of the outer surface of the furnace body 1, a feeding disc 9 is movably connected to the upper end of the inner cavity of the furnace body 1, a bottom plate 10 located below the feeding disc 9 is fixedly connected to the inner cavity of the furnace body 1, a lower limiting plate 11 is fixedly connected to one end of the outer surface of the feeding disc 9, a guide rod 13 is fixedly connected to the middle of the lower limiting plate 11, an upper limiting plate 12 located right above the lower limiting plate 11 is fixedly connected to the other end of the guide rod 13, a feeding cavity 15 is formed between the lower limiting plate 11 and the guide rod 13 in an opposite mode, a movable plate 14 located on the outer surface of the guide rod 13 is movably sleeved in the middle of the feeding cavity 15, the movable plate 14 and the bottom plate 10 are made of magnetic materials, and the movable plate 14 and the bottom plate 10 are mutually exclusive, so that when the movable plate 14 rotates right above the, make the feeding chamber 15 open, can fill the material of treating the burning to feeding chamber 15, will treat that the burning material is put into feeding chamber 15 that pan feeding mouth 8 department opened, through going into charging tray 9 anticlockwise rotation, drive and treat that the burning material transversely rotates to make after bottom plate 10 is kept away from to fly leaf 14, because the magnetic repulsion weakens, make under the action of gravity movable leaf 14 move down, and will treat that the burning material is pressed in furnace body 1 inner chamber from the cavity department at lower limiting plate 11 middle part.

Wherein, the upper end of the furnace body 1 is fixedly connected with an auxiliary gas pipe 7, the inner cavity of the auxiliary gas pipe 7, which is positioned at one side of the furnace body 1, is movably connected with an upper movable cylinder 19, the upper end of the upper movable cylinder 19 is movably connected with one end of the auxiliary gas pipe 7 through a first spring 21, the upper end of the upper movable cylinder 19 is movably sleeved with a lower movable cylinder 20, the upper end of the upper movable cylinder 19, which is positioned at the lower movable cylinder 20, is provided with a gas outlet hole, the lower movable cylinder 20 is movably sleeved with the upper movable cylinder 19 through a second spring 22, the upper end of the inner cavity of the furnace body 1 is movably connected with a rotating disc 17, the upper surface of the extending plate of the rotating disc 17 is movably connected with a fanning plate 18, one side of the upper surface of the movable plate 14 is fixedly connected with a baffle plate 16, the upper end of the baffle plate 16 is provided with magnetism, and the shape of the baffle plate 16 is semicircular, when the air pressure in the furnace is small, under the action of the external air pressure, the lower movable cylinder 20 can automatically move downwards, the air outlet of the upper movable cylinder 19 is opened, the external air can fill the air pressure into the inner cavity of the furnace body 1 through the auxiliary air pipe 7, the rotating disc 17 is impacted at the same time, the rotating disc 17 automatically rotates anticlockwise, the equipment can automatically feed materials, the fed fuel water is large, the upper movable cylinder 19 moves upwards under the action of the excessive air pressure in the furnace, the air outlet is opened, the air pressure in the inner cavity of the furnace body 1 can be discharged outwards through the auxiliary air pipe 7, the rotating disc 17 is driven to rotate clockwise, and the materials in the feeding cavity 15 can be automatically dried.

Wherein, when guaranteeing material moisture great, follow-up material homoenergetic is dried the step, have magnetism through baffle 16 upper end, make because baffle 16 is located rolling disc 17 all the time and extends board one side, under magnetic effect, make rolling disc 17 extend board and fan open board 18 by the magnetization, make under the effect that like poles repel each other, fan open board 18 rotates certain range, thereby make when being totally because the material burning, when needing to the furnace body 1 inner chamber filling material, from assisting the gas impact rolling disc 17 that trachea 7 filled to furnace body 1 inner chamber, make the rotation direction of rolling disc 17 be anticlockwise rotation all the time.

Wherein, for the flue gas in the guarantee furnace body 1 inner chamber can not outwards spill out through pan feeding mouth 8, through going into charging tray 9 after rotating certain angle, the opposite side of pan feeding dish 9 can be located pan feeding mouth 8 department through rotating to bottom plate 10 when, and under the effect of the magnetic repulsion with bottom plate 10 and the magnetic attraction of last limiting plate 12, portable plate 14 makes portable plate 14 upwards remove, and can make the flue gas can outwards not spill over through baffle 16, can not have the flue gas outwards to spill over when having ensured the supplementary pan feeding of equipment, the circumstances of polluted environment takes place.

Wherein, the number of the feeding cavities 15 on the outer surface of the feeding tray 9 is three to four, the middle part of each feeding cavity 15 is movably sleeved with a movable plate 14, the shape of the bottom plate 10 is fan-shaped, and the angle of the bottom plate 10 is one hundred twenty degrees, so that when the feeding tray 9 rotates for a certain angle, one feeding cavity 15 rotates to the feeding port 8, which is convenient for feeding next time, and when the feeding tray 9 rotates for a certain angle along the bottom plate 10 in the reverse direction, because the bottom plate 10 blocks the lower end of the material to be burned, the material to be burned does not fall into the inner cavity of the furnace body 1, and the inner cavity of the furnace body 1 is normally gasified, the material to be burned can be dried, so as to ensure that the material has less moisture after being fed into the inner cavity of the furnace body 1, the combustion efficiency of the fuel is improved, meanwhile, only the feeding port 8 of the bottom plate 10 has magnetism, and the end far away from the feeding port 8 has, the feeding disc 9 is guaranteed to rotate forward and backward to realize feeding.

Wherein, go up limiting plate 12 and make for magnetic material, and go up limiting plate 12 lower extreme and the magnetic pole difference of fly leaf 14 upper end for when fly leaf 14 rotated to pan feeding mouth 8 department, fly leaf 14 upwards moves under the effect of the magnetic repulsion of bottom plate 10, and simultaneously under the magnetic attraction effect of last limiting plate 12, fly leaf 14 can move to topmost, makes the pan feeding chamber 15 can open to the biggest, has improved the pan feeding efficiency in single pan feeding chamber 15.

The using method of the invention is as follows: firstly, crushing straw fuel, then firstly, putting the processed material to be combusted into the inner cavity of the furnace body 1 from the ignition port 5, igniting the material to be combusted, then, closing the ignition port 5 to fully combust the material to be combusted, properly charging air into the inner cavity of the furnace body 1 through the air inlet pipe 4, ensuring the combustion efficiency of the material in the inner cavity of the furnace body 1, enabling the burnt ash to fall into the ash containing cavity 3 from the ash filtering plate 2, and enabling smoke generated by fuel combustion to flow outwards from the air outlet pipe 6 and then;

when the materials are dry: the drying degree of the material is moderate, at the moment, the straw gasification furnace normally works, and certain material to be burnt is filled into the feeding cavity 15 of the feeding disc 9 positioned at the feeding port 8, after the material in the furnace body 1 is burnt completely, because the air outlet pipe 6 is communicated with an external exhaust fan, the gas in the furnace body 1 is continuously drawn out through the exhaust fan, after the material is burnt completely, the gas in the furnace is slowed down, so that under the action of the exhaust fan, negative pressure is formed in the furnace, at the moment, the gas in the furnace is filled by air pressure through the auxiliary air pipe 7, the gas of the auxiliary air pipe 7 enables the lower movable cylinder 20 to move downwards under the action of the air pressure, so that the upper movable cylinder moves upwards, the air outlet at the side 19 is opened, the gas flows into the furnace, meanwhile, the gas flows through the inclined rotating disc 17 on the upper surface, the rotating disc 17 drives the feeding disc 9 to rotate by a certain amplitude, so that the material to be burnt in the feeding cavity 15 anticlockwise, the lower end of the material to be combusted is separated from the bottom plate 10, so that the material to be combusted falls into the inner cavity of the furnace body 1 from the empty groove in the lower limiting plate 11, and under the action that the movable plate 14 loses magnetic repulsion with the bottom plate 10, the material to be combusted in the feeding cavity 15 is pressed into the inner cavity of the furnace body 1 by the movable plate 14 under the action of gravity, so that the straw gasification furnace can continuously work;

when the material is over-hydrated: because certain moisture can exist in the material to be burnt, the material to be burnt is firstly filled into the feeding cavity 15 of the feeding disc 9 positioned at the feeding port 8, the material can generate gas abnormally during burning due to the moisture in the material, and the gas is not easy to burn, so that the gas extracted by the exhaust fan can not be effectively utilized and is prevented from being extracted subsequently, the air pressure in the inner cavity of the furnace body 1 is increased continuously, and when the air pressure is increased to a certain degree, the upper movable cylinder 19 moves upwards under the thrust action of the air pressure, so that the gas outlet at the upper end of the upper movable cylinder 19 is opened, excessive air pressure in the furnace body 1 is discharged outwards through the auxiliary gas pipe 7 and impacts the lower surface of the rotating disc 17 at the same time. The rotating disc 17 is driven clockwise, meanwhile, the feeding disc 9 drives the material to be burnt with larger moisture in the feeding cavity 15 to be dried, and when the baffle 16 which is positioned at one end of the bottom plate 10 far away from the feeding port 8 is arranged, because the upper end of the baffle 16 has magnetism and is contacted with one side of the extending plate of the rotating disc 17, one side of the extending plate of the rotating disc 17 is magnetized, so that under the action of like-polarity repulsion, the fanning plate 18 rotates around one side which is movably connected with the rotating disc 17, the upper surface of the fanning plate 18 inclines to be opposite to the lower surface of the rotating disc 17, when the material to be burnt is dried and is fed into the inner cavity of the furnace body 1, the rotating disc 17 keeps rotating clockwise under the action of air pressure at the auxiliary air pipe 7, and after the straw gasification furnace normally works, when the subsequent automatic feeding is carried out, the rotating direction of the rotating disc 17 is clockwise rotation, so that the subsequent materials can be automatically dried.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an environmental protection pan feeding mechanism of straw gasifier, includes furnace body (1), the middle part fixed mounting of furnace body (1) inner chamber has ash filtering plate (2), the lower extreme of furnace body (1) inner chamber is provided with flourishing ash chamber (3), the one end fixedly connected with income tuber pipe (4) of flourishing ash chamber (3) outer wall, ignition mouth (5) have been seted up to the other end at furnace body (1) surface middle part, the one end fixedly connected with outlet duct (6) of furnace body (1) surface, its characterized in that: the feeding device is characterized in that a feeding hole (8) is formed in one side of the upper end of the outer surface of the furnace body (1), a feeding disc (9) is movably connected to the upper end of the inner cavity of the furnace body (1), a bottom plate (10) located below the feeding disc (9) is fixedly connected to the inner cavity of the furnace body (1), a lower limiting plate (11) is fixedly connected to one end of the outer surface of the feeding disc (9), a guide rod (13) is fixedly connected to the middle of the lower limiting plate (11), an upper limiting plate (12) located right above the lower limiting plate (11) is fixedly connected to the other end of the guide rod (13), a feeding cavity (15) is formed between the lower limiting plate (11) and the guide rod (13) through contraposition, a movable plate (14) located on the outer surface of the guide rod (13) is movably sleeved in the middle of the feeding cavity (15), and the movable plate, and the movable plate (14) and the bottom plate (10) repel each other.

2. The environment-friendly feeding mechanism of the straw gasification furnace as claimed in claim 1, wherein: the number of the feeding cavities (15) on the outer surface of the feeding plate (9) is three to four, the middle of each feeding cavity (15) is movably sleeved with a movable plate (14), the bottom plate (10) is fan-shaped, and the angle of the bottom plate (10) is one hundred twenty degrees.

3. The environment-friendly feeding mechanism of the straw gasification furnace as claimed in claim 1, wherein: the upper end of the furnace body (1) is fixedly connected with an auxiliary air pipe (7), an inner cavity of the auxiliary air pipe (7) positioned on one side of the furnace body (1) is movably connected with an upper movable cylinder (19), the upper end of the upper movable cylinder (19) is movably connected with one end of the auxiliary air pipe (7) through a first spring (21), the upper end of the upper movable cylinder (19) is movably sleeved with a lower movable cylinder (20), the upper end of the upper movable cylinder (19) is positioned on the lower movable cylinder (20) and is provided with an air outlet, the lower movable cylinder (20) is movably sleeved with the upper movable cylinder (19) through a second spring (22), the upper end of the inner cavity of the furnace body (1) is movably connected with a rotating disc (17), the upper surface of an extending plate of the rotating disc (17) is movably connected with a fan-opening plate (18), one side of the upper surface of the movable plate (14) is fixedly connected with a baffle plate (16), and the upper end of the baffle plate (16, and the baffle (16) is semicircular in shape.

4. The environment-friendly feeding mechanism of the straw gasification furnace as claimed in claim 1, wherein: the upper limiting plate (12) is made of magnetic materials, and the lower end of the upper limiting plate (12) is different from the magnetic poles at the upper end of the movable plate (14).