CN219674194U

CN219674194U - Combustion furnace with inclined fire grate

Info

Publication number: CN219674194U
Application number: CN202223234350.3U
Authority: CN
Inventors: 李益明; 黄迁建; 王聪明; 黄志发; 黄少雄
Original assignee: Fujian Qianneng Industrial Equipment Technology Co ltd
Current assignee: Fujian Qianneng Industrial Equipment Technology Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-09-12
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a combustion furnace with an inclined fire grate, which belongs to the field of combustion furnace equipment, and structurally comprises a combustion chamber, a rotating assembly, a slag discharging assembly and a combustion supporting assembly, wherein the fire grate inclined towards the center of the combustion chamber is arranged at the bottom of the combustion chamber, the output end of the rotating assembly is connected with the fire grate to enable the fire grate to rotate, the slag discharging assembly is communicated with the combustion chamber through the fire grate, and fuel is turned through the inclined and rotating fire grate to enable the fuel to be fully heated and combusted and simultaneously push slag to move and discharge to an ash dropping cylinder at the lower part of the center.

Description

Combustion furnace with inclined fire grate

Technical Field

The utility model relates to a combustion furnace with an inclined grate, and belongs to the field of combustion furnace equipment.

Background

Biomass fuel equipment is heating equipment taking plant waste as a combustion medium, and is widely applied to various heat energy industries such as boilers, carbonization furnaces, drying furnaces, gasification furnaces, die casting machines, industrial furnaces, incinerators, smelting furnaces, kitchen equipment, drying equipment, food drying equipment, ironing equipment, baking varnish equipment, road construction machinery equipment, industrial annealing furnaces, asphalt heating equipment and the like; the biomass fuel needs to be fully mixed with air in the combustion process to fully burn the fuel, and the prior art is generally used for placing the fuel through a horizontally laid fire grate, and slag is easily accumulated on the fire grate in the combustion process to cause blockage so that the fuel is not easy to fully burn.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a combustion furnace with an inclined grate so as to solve the problems.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a combustion furnace with slope grate, its structure includes combustion chamber, rotating assembly, sediment subassembly, combustion-supporting subassembly, the combustion chamber bottom is equipped with the grate to its combustion chamber center slope, rotating assembly's output and grate constitute to be connected and make its grate rotate, sediment subassembly is linked together with the combustion chamber through the grate, combustion-supporting subassembly sets up in rotating assembly one side and its output is linked together with the combustion chamber through rotating assembly.

Through the technical scheme: the rotating assembly drives the inclined fire grate to rotate so as to spread fuel, the slag discharging assembly discharges ash slag, and the combustion supporting assembly is utilized to ventilate and support combustion of the combustion chamber.

Further, the combustion chamber consists of a feed inlet, a furnace wall and a furnace door, wherein the feed inlet and the furnace door are respectively arranged on the outer wall of the furnace wall and are communicated with the inner part of the furnace wall.

Through the technical scheme: the combustion materials enter from the feeding hole, and enter through the furnace door when the furnace chamber is ignited and inspected.

Further, a sealing component is arranged below the furnace wall and is positioned at the outer edge of the furnace row.

Further, the sealing component consists of a sand tank and a water tank, an open notch is arranged at the top of the water tank, the notch and the sand tank form loops along the outer edge of the fire grate respectively, a ring-shaped bulge extends out of the bottom of the water tank and stretches into the sand tank, and the height of the wall of the sand tank, which is positioned at the outer side, is larger than that of the inner wall.

Through the technical scheme: in order to prevent air leakage and slag leakage in the furnace, the sand tank is filled with fine sand, and a ring-shaped bulge extends out of the bottom of the sand tank and is inserted into the fine sand, so that the periphery of the hearth is isolated from the outside by the sealing assembly.

Further, the fire grate is provided with a plurality of holes, and the fire grates are fixedly connected to form concentric circles with hollowed-out middle parts.

Through the technical scheme: the multiple grates are convenient to arrange and maintain, and the hollow part in the middle is used for deslagging.

Further, the water tank is arranged below the furnace wall and is communicated with a water inlet of the water inlet pipe and a water outlet of the water outlet pipe.

Through the technical scheme: the water is injected into the water inlet pipe and is discharged from the water outlet pipe, so that the flowing water passes through the furnace wall, and the furnace wall is quickly cooled.

Further, the rotating assembly comprises a driving motor, a gear ring, a turntable frame and a bearing, wherein the output end of a rotating shaft of the driving motor is connected with the gear ring to enable the gear ring to rotate along with the rotating shaft, the gear ring is fixed on the outer wall of the turntable frame, the inside of the turntable frame is hollow, the fire grate is positioned at the top of the turntable frame, a cavity inside the turntable frame is communicated with the combustion chamber through a hole of the fire grate, the sand groove is fixedly connected with the outer edge of the top of the turntable frame, and the bearing is arranged on the outer edge of the turntable frame.

Through the technical scheme: the driving motor is started to drive the turntable frame to drive the fire grate to rotate, and the hollow turntable frame is convenient for injecting wind power from bottom to top.

Further, the slag discharging assembly consists of an ash discharging barrel fixed at the concentric circle position of the center of the fire grate and a furnace ash scraper arranged on the outer wall of the ash discharging barrel, wherein the ash discharging barrel is hollow and cylindrical, and a valve is arranged at the bottom of the ash discharging barrel.

Through the technical scheme: the large slag in the combustion falls down from the ash falling cylinder and is removed through the valve.

Further, the combustion-supporting component comprises a blower and a wind bin, the output end of the blower is connected with the wind bin, the outlet of the wind bin is communicated with the turntable frame, so that wind power enters the combustion chamber through the fire grate, and the bearing of the combustion-supporting component is arranged between the wind bin and the turntable frame.

Through the technical scheme: the strong wind of the wind pressure generated by the blower enters the combustion chamber from the turntable frame through the small holes of the fire grate to support the combustion.

Advantageous effects

According to the utility model, the fuel is turned over by the inclined and rotating fire grate, so that the fuel is fully heated and combusted, and meanwhile, slag is pushed to move and discharge to the ash dropping cylinder at the lower part of the center.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a burner with an inclined grate in accordance with the present utility model;

fig. 2 is a schematic top view of the water tank of the present utility model.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 and 2, the present utility model provides a combustion furnace with inclined grate, which comprises the following steps: the structure of the device comprises a combustion chamber, a rotating component, a deslagging component and a combustion-supporting component, wherein the bottom of the combustion chamber is provided with a fire grate 6 inclining towards the center of the combustion chamber, the output end of the rotating component is connected with the fire grate 6 to enable the fire grate 6 to rotate, the deslagging component is communicated with the combustion chamber through the fire grate 6, the combustion-supporting component is arranged on one side of the rotating component, the output end of the combustion-supporting component is communicated with the combustion chamber through the rotating component, the rotating component drives the inclined fire grate 6 to rotate to flatten fuel, the deslagging component is used for discharging ash, the combustion chamber is ventilated and supported by the combustion-supporting component, the combustion chamber consists of a feed inlet 15, a furnace wall 1 and a furnace door 2, the feed inlet 15 and the furnace door 2 are respectively arranged on the outer wall of the furnace wall 1 and are communicated with the interior of the furnace wall 1, a combustion enters through the feed inlet 15, and when the furnace is ignited and inspected, the sealing component is arranged below the furnace wall 1 and is positioned at the outer edge of the furnace grate 6, the sealing component consists of a sand groove 4 and a water groove 3, the top of the water groove 3 is provided with an open notch, the notch and the sand groove 4 form loops along the outer edge of the furnace grate 6 respectively, a ring-shaped bulge extends out of the bottom of the water groove 3 and stretches into the sand groove 4, the wall height of the sand groove 4 at the outer side is larger than the inner side wall, in order to prevent air leakage and slag leakage in the furnace, the sand groove 4 is filled with fine sand, the ring-shaped bulge extends out of the bottom of the water groove 3 and is inserted into the fine sand, thereby the sealing component isolates the periphery of a hearth from the outside, the furnace grate 6 is provided with a plurality of holes, the plurality of furnace grates 6 are fixedly connected with each other to form concentric circles with hollow parts, the furnace grates 6 are convenient to arrange and maintain, the hollow parts of the middle parts are used for slag discharge, the water groove 3 is arranged below the furnace wall 1, the water tank 3 is communicated with a water inlet of a water inlet pipe 16 and a water outlet of a water outlet pipe 17, the water inlet pipe 16 is filled with water and is discharged by the water outlet pipe 17, flowing water passes through the furnace wall 1, the furnace wall 1 is rapidly cooled, the rotating assembly comprises a driving motor 5, a gear ring 13, a turntable frame 14 and a bearing 10, the output end of a rotating shaft of the driving motor 5 is connected with the gear ring 13 to enable the gear ring 13 to rotate along with the rotating shaft, the output end of the rotating shaft of the driving motor 5 is provided with a gear, the gear is meshed with the gear ring 13, the gear ring 13 is fixed on the outer wall of the turntable frame 14, the inside of the turntable frame 14 is hollow, the fire grate 6 is positioned at the top of the turntable frame 14, a cavity inside the turntable frame 14 is communicated with a combustion chamber through a hole of the fire grate 6, the sand tank 4 is fixedly connected with the outer edge of the top of the turntable frame 14, the bearing 10 is arranged on the outer edge of the turntable frame 14, the rotary table frame 14 is convenient to rotate, the driving motor 5 is started to drive the rotary table frame 14 to drive the fire grate 6 to rotate, the hollow rotary table frame 14 is convenient for wind power to be injected from bottom to top, the slag discharging component consists of a dust falling cylinder 7 fixed at the concentric circle of the center of the fire grate 6 and a dust scraping plate 8 arranged on the outer wall of the dust falling cylinder 7, the fire grate 6 rotates to drive the dust falling cylinder 7 and the dust scraping plate 8 to rotate together, the dust falling cylinder 7 is in a hollow cylinder shape, a valve is arranged at the bottom of the dust falling cylinder 7, massive slag in combustion is fallen by the dust falling cylinder 7 and removed through the valve, a side dust falling opening 9 is also arranged at the bottom of the dust scraping plate 8, fine powder falling from the slag discharging furnace 6 is hung into the side dust falling opening 9 through the dust scraping plate 8 and discharged from the side dust falling opening 9, the combustion supporting component comprises a blower 12 and a wind bin 11, the output end of the blower 12 is connected with the wind bin 11, the outlet of the air bin 11 is communicated with the turntable frame 14, so that wind power enters the combustion chamber through the fire grate 6, the bearing 10 is arranged between the air bin 11 and the turntable frame 14, the combustion-supporting component is prevented from rotating along with the turntable frame 14, the blower 12 is utilized to generate wind pressure, and strong wind enters the combustion chamber from the turntable frame 14 through small holes of the fire grate 6 to support the combustion.

The electric equipment such as the motor, the blower and the like can automatically select model power according to the manufacturing requirements of manufacturers, and the assembled circuit structure belongs to the basic technology in the field, so that the description is omitted.

Working principle: the fuel is poured into the furnace through the feed inlet 15 and is ignited to burn, the driving motor 5 is driven to the gear ring 13 to be meshed with the rotary table frame 14 and drive the fire grate 6 to rotate, the inclined and rotating fire grate 6 paves the fuel, the air force is input into the combustion chamber through the rotary table frame 14 by the air blower 12 of the combustion-supporting assembly, the bottom of the furnace wall 1 is sealed by the sealing assembly during the period, air leakage and slag leakage in the furnace are prevented, the burned massive slag falls into the ash dropping cylinder 7, the fine powder slag falls into the rotary table frame 14 through the hole of the fire grate 6, is rotationally collected by the ash scraping plate 8 and is discharged through the side ash dropping hole 9, and the furnace wall 1 is cooled by water circulation formed by water injection into the water inlet pipe 16 and discharge of the water outlet pipe 17 when the furnace wall 1 is ready to be used.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A burner with inclined grate, characterized in that: the structure of the boiler comprises a combustion chamber, a rotating assembly and a slag discharging assembly, wherein a fire grate (6) inclining towards the center of the combustion chamber is arranged at the bottom of the combustion chamber, the output end of the rotating assembly is connected with the fire grate (6) to enable the fire grate (6) to rotate, and the slag discharging assembly is communicated with the combustion chamber through the fire grate (6);

the combustion chamber consists of a feed inlet (15), a furnace wall (1) and a furnace door (2), wherein the feed inlet (15) and the furnace door (2) are respectively arranged on the outer wall of the furnace wall (1) and are communicated with the interior of the furnace wall (1);

a sealing component is arranged below the furnace wall (1), and the sealing component is positioned at the outer edge of the fire grate (6);

the sealing assembly comprises a sand tank (4) and a water tank (3), wherein an open notch is formed in the top of the water tank (3), the notch and the sand tank (4) form loops along the outer edges of the fire grate (6) respectively, a ring-mounted bulge extends out of the bottom of the water tank (3) and stretches into the sand tank (4), and the wall of the sand tank (4) at the outer side is higher than the inner wall.

2. A burner with inclined grate as claimed in claim 1, wherein: the fire grates (6) are provided with a plurality of holes, and the fire grates (6) are fixedly connected with one another to form concentric circles with hollowed-out middle parts.

3. A burner with inclined grate as claimed in claim 1, wherein: the water tank (3) is arranged below the furnace wall (1), and the water tank (3) is communicated with a water inlet of the water inlet pipe (16) and a water outlet of the water outlet pipe (17).

4. A burner with inclined grate as claimed in any one of claims 1 and 2, wherein: the rotary assembly comprises a driving motor (5), a gear ring (13), a rotary table frame (14) and a bearing (10), wherein the output end of a rotary shaft of the driving motor (5) is connected with the gear ring (13) to enable the gear ring (13) to rotate along with the rotary shaft, the gear ring (13) is fixed on the outer wall of the rotary table frame (14), the rotary table frame (14) is hollow, the fire grate (6) is positioned at the top of the rotary table frame (14) and is communicated with a combustion chamber through holes of the fire grate (6) to enable a cavity inside the rotary table frame (14) of the fire grate to be communicated with the combustion chamber, the sand tank (4) is fixedly connected with the outer edge of the top of the rotary table frame (14), and the bearing (10) is arranged on the outer edge of the rotary table frame (14).

5. A burner with inclined grate as claimed in claim 1, wherein: the slag discharging assembly consists of an ash discharging barrel (7) fixed at the concentric circle position of the center of the fire grate (6) and an ash scraping plate (8) arranged on the outer wall of the ash discharging barrel (7), wherein the ash discharging barrel (7) is hollow cylindrical, and a valve is arranged at the bottom of the ash discharging barrel (7).

6. The burner with inclined grate of claim 4 wherein: the combustion-supporting assembly comprises a blower (12) and a wind bin (11), wherein the output end of the blower (12) is connected with the wind bin (11), the outlet of the wind bin (11) is communicated with a turntable frame (14) to enable wind power to enter the combustion chamber through a fire grate (6), and a bearing (10) of the bearing is arranged between the wind bin (11) and the turntable frame (14).