CN111351069A

CN111351069A - Gasification furnace capable of fully combusting

Info

Publication number: CN111351069A
Application number: CN202010271007.2A
Authority: CN
Inventors: 梁灼林; 梁赐鸿; 朴桂林; 傅健; 武强; 廖珍连; 谢路群
Original assignee: Shaoguan Hai Yue Bio Technology Development Co ltd
Current assignee: Shaoguan Haiyue Agricultural Development Co.,Ltd.
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-06-30
Anticipated expiration: 2040-04-08
Also published as: CN111351069B

Abstract

The invention discloses a gasification furnace with sufficient combustion, belonging to the technical field of gasification furnaces; the gasification furnace with sufficient combustion comprises a furnace body and a heat preservation shell, wherein a water storage layer is arranged between the furnace body and the heat preservation shell, a fire grate is fixedly connected to the bottom of the furnace body, the top of the heat preservation shell is connected with a steam generating pipe and a heat supply pipe which are communicated with the water storage layer, one end, far away from the heat preservation shell, of the steam generating pipe is connected with a lifting mechanism arranged at the top of the furnace body, the movable end of the lifting mechanism is connected with a lead screw arranged in the furnace body, the outer side wall of the lead screw is fixedly connected with a first fluffy frame through a fixing ring, the outer side wall of the lead screw is also slidably connected with a second fluffy frame arranged below the first fluffy frame, a pull rod is; the invention avoids the problems of accumulation and untimely cleaning of furnace ash in the fuel combustion process and improves the combustion efficiency.

Description

Gasification furnace capable of fully combusting

Technical Field

The invention relates to the technical field of gasification furnaces, in particular to a gasification furnace capable of fully combusting.

Background

The current situation is: on one hand, the price of non-renewable resources such as coal, oil, natural gas and the like is continuously increased due to shortage, on the other hand, a large amount of available biological energy is wasted, the available biological energy is mainly but not limited to rice chaff, rice straws, wheat straws, king rice straws, sorghum straws, wood chips and the like, particularly in rural areas, people can see that farmers directly burn the rice straws, the wheat straws, the rape straws and the like in the field at intervals, so that the environment is influenced, and resources are wasted.

In the prior art, as the biofuel cannot be stirred or turned over in the combustion process, the fuel is dense, the air flow communication is poor, the fuel is not sufficiently combusted, the combustion time is long, the workload of manual material turning is large, and the combustion is insufficient, so that organic matters are rapidly decomposed into combustible gas of carbon monoxide, methane and ethane lamps.

However, the heat generated in the combustion process of the biofuel can be used for heating, so how to realize the sufficient combustion of the biofuel directly determines the heat production efficiency of the biofuel, and the fuel cannot be stirred or turned in the combustion process, so that the fuel is dense, the air circulation is poor, the combustion is insufficient, the combustion time is long, and the workload of manual material turning is large.

Disclosure of Invention

The invention aims to provide a gasification furnace with sufficient combustion, which aims to solve the problem of insufficient combustion during heat supply of biofuel.

In order to achieve the purpose, the invention adopts the following technical scheme:

a gasification furnace with sufficient combustion comprises a furnace body and a heat preservation shell, wherein a water storage layer is arranged between the furnace body and the heat preservation shell, a grate is fixedly connected to the bottom of the furnace body, the top of the heat preservation shell is connected with a steam generating pipe and a heat supply pipe which are communicated with the water storage layer, one end, far away from the heat preservation shell, of the steam generating pipe is connected with a lifting mechanism arranged at the top of the furnace body, the movable end of the lifting mechanism is connected with a lead screw arranged in the furnace body, the outer side wall of the lead screw is fixedly connected with a first fluffy frame through a fixing ring, the outer side wall of the lead screw is also connected with a second fluffy frame arranged below the first fluffy frame in a sliding manner, a pull rod is connected to the fixing ring in a sliding manner, one end, penetrating through the fixing ring, of the pull rod, the lateral wall of screw seat is connected with the deashing subassembly that slides and link to each other with the holding ring, the feeding storehouse of symmetric distribution is still installed to the furnace body lateral wall.

Preferably, elevating system mainly comprises barrel, piston, transfer line and reset spring, the barrel inlays and establishes the top center department at the furnace body, the top of barrel is provided with the admission valve with steam generator intercommunication, the lateral wall that the barrel is close to the bottom is connected with the pressure release pipe, piston sliding connection is in the barrel, the transfer line links to each other with the piston is fixed, the one end that the piston was kept away from to the transfer line passes the barrel and extends to the furnace body in, transfer line extension end links to each other with the lead screw is fixed, the reset spring cover is on arranging the transfer line pole wall in the barrel in.

Preferably, one end of the pressure relief pipe, which is far away from the cylinder body, is arranged in the furnace body.

Preferably, the ash removal subassembly mainly comprises rotating turret, deashing pole and slide bar, rotating turret fixed connection is at the lateral wall of screw seat, the slide bar is connected at the top of rotating turret, annular spout has been seted up to the bottom of holding ring, the slide bar is kept away from the one end sliding connection of rotating turret and is being connected in the sliding ring inslot, the deashing pole is connected in the bottom of rotating turret, and arranges the top of grate in.

Preferably, the outer wall of the screw rod between the fixing ring and the lifting mechanism is fixedly connected with a U-shaped frame, the vertical section of the U-shaped frame is connected with a material baffle, and the material baffle is matched with a feeding hole in the feeding bin.

Preferably, the bottom of the furnace body is connected with supporting legs, and the bottom of the fire grate is detachably connected with a collecting box.

Preferably, the end of the heating pipe is provided with a connection valve.

Preferably, the outer side wall of the heat preservation shell is also connected with a water injection port communicated with the water storage layer.

Preferably, the outer side wall of the furnace body close to the top end is also provided with a smoke exhaust.

Compared with the prior art, the invention provides the gasification furnace with sufficient combustion, and the gasification furnace has the following beneficial effects:

1. the gasification furnace with sufficient combustion is characterized in that water is injected into a water storage layer through a water injection port, after water is injected, fuel is fed into a feeding bin, the feeding bin is communicated with a furnace body through the feeding bin and feeds the fuel into the furnace body, the fuel falls into a first fluffy frame, a second fluffy frame and a fire grate, a layering function is realized, fuel accumulation is avoided, the sufficiency of fuel combustion is improved, the fuel combustion releases heat, the heat is absorbed by water in the water storage layer, the water in the water storage layer is gradually heated until boiling, then the steam flows towards a steam generating pipe and a heat supply pipe from the water storage layer, the steam flowing towards the heat supply pipe is connected into the heat supply pipe, the function of heating is realized, the steam flowing towards the steam generating pipe flows into the cylinder body through an air inlet valve, the piston drives a transmission rod to extrude a reset spring along with the increase of the steam flowing into, the screw rod drives the screw base to rotate in the downward moving process, and the screw base drives the rotating frame and the ash removing rod at the bottom of the rotating frame to rotate on the fire grate in the rotating process, so that the furnace ash generated by combustion is cleaned, the occupancy rate in the furnace body is reduced, and the improvement of the sufficiency of fuel combustion is facilitated;

when the piston moves down to the juncture of the pressure relief pipe and the cylinder, the piston continues to move down along with the increase of the steam amount in the cylinder, at the moment, the high-pressure steam in the cylinder is discharged through the pressure relief pipe, the steam pressure in the cylinder is reduced at the moment, the reset spring rebounds under the action of self rebounding force to drive the lead screw to ascend, the lead screw ascends in a process of driving the rotating frame to reversely rotate and simultaneously pull up the second fluffy frame through the pull rod on the first fluffy frame, and further the dispersion degree of fuel positioned on the first fluffy frame and the second fluffy frame is further improved, and the combustion sufficiency is further improved.

2. This abundant gasifier of burning, steam passes through the pressure release pipe and gets into in the furnace body, further burns for fuel and the flue gas that fuel burning produced and provides oxygen, has further improved the sufficiency of fuel burning

3. The gasification furnace with sufficient combustion is characterized in that water in a water storage layer is heated gradually until boiling, then steam flows from the water storage layer to a steam generating pipe, the steam flowing to the steam generating pipe flows into a cylinder body through an air inlet valve, a piston drives a transmission rod to extrude a return spring along with the increase of the steam amount flowing into the cylinder body, the transmission rod drives a screw rod to move downwards along with the continuous tightening of the return spring, a U-shaped frame is driven to move downwards, a material blocking plate completely blocks a feed inlet of a feed bin at the moment, fuel is not fed into the feed bin, the ash removal work at the moment is convenient to complete, the piston continues to move downwards along with the increase of the steam amount in the cylinder body when the piston moves downwards to the junction of a pressure relief pipe and the cylinder body, at the moment, high-pressure steam in the cylinder body is discharged through the pressure relief pipe, the U-shaped frame drives the material baffle to leave the feeding hole, and fuel enters the first fluffy frame and the second fluffy frame which are dispersed in the furnace body, so that fuel accumulation is avoided, and the fuel combustion sufficiency is improved.

Drawings

Fig. 1 is one of the structural schematic diagrams of a gasification furnace with sufficient combustion according to the present invention;

FIG. 2 is a second schematic structural view of a fully combusted gasification furnace according to the present invention;

FIG. 3 is a third schematic structural view of a fully combusted gasification furnace according to the present invention;

FIG. 4 is a schematic view of the internal structure of the furnace body of the fully combusted gasification furnace according to the present invention;

fig. 5 is a second schematic view of the internal structure of the furnace body of the gasification furnace with sufficient combustion according to the present invention.

In the figure: 1. a furnace body; 2. a heat preservation shell; 3. a grate; 4. a steam generating tube; 5. a heat supply pipe; 6. a screw rod; 7. a fixing ring; 8. a first fluffy frame; 9. a second fluffy frame; 10. a pull rod; 11. a positioning ring; 12. a nut seat; 13. a feeding bin; 14. a barrel; 15. a piston; 16. a transmission rod; 17. a return spring; 18. an intake valve; 19. a pressure relief pipe; 20. a rotating frame; 21. a soot cleaning rod; 22. a slide bar; 23. a U-shaped frame; 24. a striker plate; 25. supporting legs; 26. and (4) collecting the box.

Detailed Description

The technical solution in 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; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-5, a gasification furnace with sufficient combustion comprises a furnace body 1 and a heat preservation shell 2, a water storage layer is arranged between the furnace body 1 and the heat preservation shell 2, a fire grate 3 is fixedly connected at the bottom of the furnace body 1, a steam generating pipe 4 and a heat supply pipe 5 which are communicated with the water storage layer are connected at the top of the heat preservation shell 2, one end of the steam generating pipe 4 far away from the heat preservation shell 2 is connected with a lifting mechanism arranged at the top of the furnace body 1, the movable end of the lifting mechanism is connected with a screw rod 6 arranged in the furnace body 1, the outer side wall of the screw rod 6 is fixedly connected with a first fluffy frame 8 through a fixing ring 7, the outer side wall of the screw rod 6 is also slidably connected with a second fluffy frame 9 arranged below the first fluffy frame 8, a pull rod 10 is slidably connected on the fixing ring 7, one end, a nut seat 12 matched with the screw rod 6 is arranged above the fire grate 3, the outer side wall of the nut seat 12 is connected with an ash removal component connected with a positioning ring 11 in a sliding manner, and the outer side wall of the furnace body 1 is also provided with symmetrically distributed feeding bins 13;

the lifting mechanism mainly comprises a cylinder 14, a piston 15, a transmission rod 16 and a return spring 17, wherein the cylinder 14 is embedded in the center of the top of the furnace body 1, the top of the cylinder 14 is provided with an air inlet valve 18 communicated with the steam generating pipe 4, the outer side wall of the cylinder 14 close to the bottom end is connected with a pressure relief pipe 19, the piston 15 is connected in the cylinder 14 in a sliding manner, the transmission rod 16 is fixedly connected with the piston 15, one end of the transmission rod 16, far away from the piston 15, penetrates through the cylinder 14 and extends into the furnace body 1, the extending end of the transmission rod 16 is fixedly connected with a screw rod 6, and the return spring 17 is sleeved;

the ash removal component mainly comprises a rotating frame 20, an ash removal rod 21 and a sliding rod 22, wherein the rotating frame 20 is fixedly connected to the outer side wall of the screw seat 12, the sliding rod 22 is connected to the top of the rotating frame 20, the bottom of the positioning ring 11 is provided with an annular sliding groove, one end, far away from the rotating frame 20, of the sliding rod 22 is connected in the sliding ring groove in a sliding mode, and the ash removal rod 21 is connected to the bottom of the rotating frame 20 and is arranged above the grate 3;

the end part of the heating pipe 5 is provided with a connecting valve;

the outer side wall of the heat preservation shell 2 is also connected with a water injection port communicated with the water storage layer;

the outer side wall of the furnace body 1 close to the top end is also provided with a smoke outlet;

when the water heating device is used, water is injected into the water storage layer through the water injection port, after water is injected, fuel is fed into the feeding bin 13, the fuel is fed into the furnace body 1 through the feeding port communicated with the furnace body through the feeding bin 13, the fuel falls onto the first fluffy frame 8, the second fluffy frame 9 and the fire grate 3, the layering function is realized, fuel accumulation is avoided, the sufficiency of fuel combustion is improved, the fuel combustion releases heat, the heat is absorbed by water in the water storage layer, the water in the water storage layer is gradually heated until boiling, then the steam flows towards the steam generating pipe 4 and the heat supply pipe 5 from the water storage layer, the steam flowing towards the heat supply pipe 5 is connected into the heat supply pipeline, the heating function is realized, the steam flowing towards the steam generating pipe 4 flows into the cylinder body 14 through the air inlet valve 18, the piston 15 drives the transmission rod 16 to extrude the reset spring 17 along with the continuous tightening of the reset, the transmission rod 16 drives the screw rod 6 to move downwards, the screw rod 6 drives the screw seat 12 to rotate in the downward movement process, the screw seat 12 drives the rotating frame 20 and the ash removing rod 21 at the bottom of the rotating frame 20 to rotate on the fire grate 3 in the rotation process, the ash generated by combustion is cleaned, the occupancy rate in the furnace body 1 is reduced, and the improvement of the sufficiency of fuel combustion is facilitated;

when the piston 15 moves down to the junction of the pressure relief pipe 19 and the cylinder 14, the piston continues to move down along with the increase of the steam amount in the cylinder 14, at the moment, the high-pressure steam in the cylinder 14 is discharged through the pressure relief pipe 19, at the moment, the steam pressure in the cylinder 14 is reduced, the return spring 17 rebounds under the action of self-rebounding force to drive the screw rod 6 to ascend, the rotating frame 20 is driven to rotate reversely in the ascending process of the screw rod 6, meanwhile, the second fluffy frame 9 is pulled up through the pull rod 10 on the first fluffy frame 8, the dispersion degree of fuel on the first fluffy frame 8 and the second fluffy frame 9 is further improved, and the combustion sufficiency is further improved.

Example 2:

referring to fig. 1-3, a gasification furnace with sufficient combustion is basically the same as that of embodiment 1, and further, one end of the pressure relief pipe 19 far away from the cylinder 14 is arranged in the furnace body 1;

steam enters the furnace body 1, oxygen is provided for further combustion of fuel and flue gas generated by fuel combustion, and the fuel combustion sufficiency is further improved.

Example 3:

referring to fig. 1-5, a gasification furnace with sufficient combustion is basically the same as that in embodiment 1, further, a U-shaped frame 23 is fixedly connected to the outer wall of the screw rod 6 between the fixing ring 7 and the lifting mechanism, a striker plate 24 is connected to the vertical section of the U-shaped frame 23, and the striker plate 24 is matched with a feed inlet on the feed bin 13;

the water in the water storage layer is gradually heated until boiling, then the steam flows from the water storage layer to the steam generating pipe 4, the steam flowing to the steam generating pipe 4 flows to the cylinder 14 through the air inlet valve 18, the piston 15 drives the transmission rod 16 to extrude the return spring 17 along with the increase of the steam amount flowing into the cylinder 14, the transmission rod 16 drives the screw rod 6 to move downwards along with the continuous tightening of the return spring 17, the U-shaped frame 23 is driven to move downwards, the material baffle plate 24 completely shields the feed inlet of the feed bin 13, the feed bin 13 does not send fuel any more, so that the dust cleaning work at the moment is convenient to finish, when the piston 15 moves downwards to the junction of the pressure relief pipe 19 and the cylinder 14, the piston continues to move downwards along with the increase of the steam amount in the cylinder 14, at the moment, the high-pressure steam in the cylinder 14 is discharged through the pressure relief pipe 19, at the moment, the steam pressure in, the U-shaped frame 23 drives the material baffle 24 to leave the feeding hole, and fuel enters the first fluffy frame 8 and the second fluffy frame 9 which are dispersed in the furnace body 1, so that fuel accumulation is avoided, and the fuel combustion sufficiency is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a sufficient gasifier burns, includes furnace body (1) and heat preservation shell (2), be provided with the water-storage layer between furnace body (1) and the heat preservation shell (2), its characterized in that, the bottom fixedly connected with grate (3) of furnace body (1), the top of heat preservation shell (2) is connected with steam generation pipe (4) and heat supply pipe (5) with the water-storage layer intercommunication, the one end that heat preservation shell (2) were kept away from in steam generation pipe (4) is connected with the elevating system who arranges furnace body (1) top in, elevating system's expansion end is connected with lead screw (6) of arranging in furnace body (1), the lateral wall of lead screw (6) is through solid fixed ring (7) the first fluffy frame (8) of fixedly connected with, lead screw (6) lateral wall still sliding connection has the second fluffy frame (9) of arranging in first fluffy frame (8) below, sliding connection has pull rod (10) on solid fixed ring (7, the fluffy frame of second (9) is fixed continuous in the one end that solid fixed ring (7) was passed in pull rod (10), inside wall fixedly connected with holding ring (11) that furnace body (1) is close to grate (3), the top of grate (3) is provided with screw seat (12) with lead screw (6) matched with, the lateral wall of screw seat (12) is connected with the deashing subassembly that slides continuous with holding ring (11), feeding storehouse (13) of symmetric distribution are still installed to furnace body (1) lateral wall.

2. The gasification furnace with sufficient combustion according to claim 1, wherein the lifting mechanism is mainly composed of a cylinder (14), a piston (15), a transmission rod (16) and a return spring (17), the cylinder (14) is embedded in the center of the top of the furnace body (1), the top of the cylinder (14) is provided with an air inlet valve (18) communicated with the steam generating pipe (4), the outer side wall of the cylinder body (14) close to the bottom end is connected with a pressure relief pipe (19), the piston (15) is connected in the cylinder body (14) in a sliding way, the transmission rod (16) is fixedly connected with the piston (15), one end of the transmission rod (16) far away from the piston (15) penetrates through the cylinder body (14) and extends into the furnace body (1), the extension end of the transmission rod (16) is fixedly connected with the screw rod (6), and the reset spring (17) is sleeved on the rod wall of the transmission rod (16) arranged in the cylinder body (14).

3. The gasification furnace with sufficient combustion according to claim 2, characterized in that the end of the pressure relief pipe (19) away from the cylinder (14) is placed in the furnace body (1).

4. The gasification furnace with full combustion according to claim 3, wherein the ash removal assembly mainly comprises a rotating frame (20), an ash removal rod (21) and a sliding rod (22), the rotating frame (20) is fixedly connected to the outer side wall of the screw seat (12), the sliding rod (22) is connected to the top of the rotating frame (20), an annular sliding groove is formed in the bottom of the positioning ring (11), one end, far away from the rotating frame (20), of the sliding rod (22) is slidably connected into the sliding ring groove, and the ash removal rod (21) is connected to the bottom of the rotating frame (20) and is arranged above the fire grate (3).

5. The gasification furnace with full combustion according to claim 4, wherein a U-shaped frame (23) is further fixedly connected to the outer wall of the screw rod (6) between the fixing ring (7) and the lifting mechanism, a material baffle plate (24) is connected to a vertical section of the U-shaped frame (23), and the material baffle plate (24) is matched with a feeding hole in the feeding bin (13).

6. The gasification furnace with full combustion according to any one of claims 1 to 5, characterized in that the bottom of the furnace body (1) is connected with supporting legs (25), and the bottom of the fire grate (3) is detachably connected with a collecting box (26).

7. A fully combusted gasifier according to any of claims 1-5, characterized in that the end of the heating pipe (5) is provided with a connection valve.

8. The gasification furnace with full combustion according to any one of claims 1 to 5, characterized in that the outer side wall of the heat preservation shell (2) is further connected with a water injection port communicated with the aquifer.

9. The gasification furnace with full combustion according to any one of claims 1 to 5, characterized in that the outer side wall of the furnace body (1) near the top end is also provided with a smoke exhaust.