阅读说明：本技术 一种燃煤锅炉炉膛装置 (Hearth device of coal-fired boiler ) 是由 陈旭伟 陈锋 李冬 沈忱 钱水兵 成磊 丁嘉恒 吴伟 于 2020-07-18 设计创作，主要内容包括：本发明涉及一种燃煤锅炉炉膛装置,属于锅炉炉膛技术领域。包括炉体和固定安装在炉体上半部分内壁上的水管,所述炉体中部内壁上对称设置有两块向下倾斜的支撑块,两个所述支撑块之间固定连接有漏灰网一,所述炉体的底部内壁之间固定连接有漏灰网二,所述漏灰网二的顶部滑动连接有推动横杆；所述推动横杆的顶部固定连接有连接板,右侧所述支撑块的底部固定连接有吊杆,所述连接板和吊杆之间转动连接有水平螺纹杆；所述炉体的右侧固定连接有电机,所述电机的左端固定连接有锥形齿轮,竖直方向的锥形齿轮底部固定连接有套筒,所述套筒的内部转动连接有竖直螺纹杆,所述竖直螺纹杆的底部固定连接有燃煤存储盒,燃煤存储盒的前侧固定连接有限位杆。(The invention relates to a coal-fired boiler furnace device, and belongs to the technical field of boiler furnaces. The furnace comprises a furnace body and a water pipe fixedly arranged on the inner wall of the upper half part of the furnace body, wherein two supporting blocks which incline downwards are symmetrically arranged on the inner wall of the middle part of the furnace body, an ash leakage net I is fixedly connected between the two supporting blocks, an ash leakage net II is fixedly connected between the inner walls of the bottom part of the furnace body, and the top of the ash leakage net II is slidably connected with a pushing cross rod; the top of the pushing cross bar is fixedly connected with a connecting plate, the bottom of the supporting block on the right side is fixedly connected with a suspender, and a horizontal threaded rod is rotatably connected between the connecting plate and the suspender; the right side fixedly connected with motor of furnace body, the left end fixedly connected with conical gear of motor, the conical gear bottom fixedly connected with sleeve of vertical direction, telescopic inside is rotated and is connected with vertical threaded rod, the coal-fired storage box of bottom fixedly connected with of vertical threaded rod, the front side fixedly connected with gag lever post of coal-fired storage box.)

1. The utility model provides a coal fired boiler furnace device, includes furnace body (1) and water pipe (20) of fixed mounting on furnace body (1) first half inner wall, its characterized in that:

two downward-inclined supporting blocks (2) are symmetrically arranged on the inner wall of the middle part of the furnace body (1), an ash leakage net I (3) is fixedly connected between the two supporting blocks (2), an ash leakage net II (4) is fixedly connected between the inner walls of the bottom part of the furnace body (1), and the top of the ash leakage net II (4) is slidably connected with a pushing cross rod (6);

the top of the pushing cross bar (6) is fixedly connected with a connecting plate (17), the bottom of the right supporting block (2) is fixedly connected with a suspender (18), and a horizontal threaded rod (19) is rotatably connected between the connecting plate (17) and the suspender (18);

the utility model discloses a coal stove, including furnace body (1), right side fixedly connected with mounting panel (7), the right-hand member fixedly connected with motor (8) of mounting panel (7), the left end fixedly connected with conical gear (9) of motor (8), conical gear (9) bottom fixedly connected with sleeve (10) of vertical direction, the inside of sleeve (10) is rotated and is connected with vertical threaded rod (11), the coal-fired storage box (12) of bottom fixedly connected with of vertical threaded rod (11), front side fixedly connected with gag lever post (13) of coal-fired storage box (12).

2. The coal fired boiler furnace unit according to claim 1, wherein: and the top of the ash leakage net II (4) is fixedly connected with an edge frame (5).

3. The coal fired boiler furnace unit according to claim 1, wherein: the left end bottom fixedly connected with branch (14) of mounting panel (7), the left end top fixedly connected with pillar (15) of mounting panel (7), the top fixedly connected with roof (16) of pillar (15).

4. The coal fired boiler furnace unit according to claim 1, wherein: the left end of the water pipe (20) is fixedly communicated with a water inlet pipe (21).

5. The coal fired boiler furnace unit according to claim 1, wherein: the right side a quad slit has been seted up to the central authorities of supporting shoe (2), and the cross sectional area size of this quad slit in vertical direction equals the size of jib (18) at the ascending cross sectional area of vertical direction, and a square hole groove that link up has still been seted up on supporting shoe (2) surface on right side, and the cross sectional area size of the square hole groove that should link up and set up in vertical direction equals the cross sectional area size of coal-fired storage box (12) in vertical direction, is convenient for coal-fired storage box (12) to pass and carries out the slip of vertical direction.

6. The coal fired boiler furnace unit according to claim 1, wherein: the pore size of the ash leakage net I (3) is larger than that of the ash leakage net II (4).

7. The coal fired boiler furnace unit according to claim 1, wherein: promote both ends need contact with the front and back inner wall of edge frame (5) around horizontal pole (6), and promote the height that highly is greater than edge frame (5) of horizontal pole (6), width between the preceding back wall of coal-fired storage box (12) is greater than the width between the front and back inside wall of ash leakage net two (4).

8. The coal fired boiler furnace unit according to claim 1, wherein: mounting panel (7) and motor (8) are also installed to the left side of furnace body (1), the thread groove that matches in vertical threaded rod (11) outer wall is seted up to the inside of sleeve (10), just the spacing ring that the diameter is greater than sleeve (10) diameter is installed to the bottommost of sleeve (10).

9. The coal fired boiler furnace unit according to claim 1, wherein: coal-fired storage box (12) is a box body, both sides run through swing joint has a pivot around coal-fired storage box (12), the middle part of this pivot and the bottom fixed connection of vertical threaded rod (11), and the position of this pivot installation is located the left side of the horizontal length central line of coal-fired storage box (12) simultaneously.

10. The coal fired boiler furnace unit according to claim 1, wherein: the front outer wall of the coal storage box (12) is provided with a horizontal stop lever which is parallel to the bottom edge of the coal storage box (12), the stop lever is superposed with the center line position of the vertical direction of the coal storage box (12), and the included angle between the coal storage box (12) and the horizontal direction when in contact with the support rod (14) is smaller than the included angle between the support block (2) and the horizontal direction.

Technical Field

The invention relates to a coal-fired boiler furnace device, and belongs to the technical field of boiler furnaces.

Background

At present, a coal-fired boiler is a boiler using coal as fuel, and refers to a thermal energy power device which releases heat through combustion of the coal in a hearth and heats heat medium water or other organic heat carriers (such as heat conduction oil and the like) to a certain temperature.

In view of the above-mentioned defects, the present designer actively makes research and innovation to create a hearth device of a coal-fired boiler, so that the hearth device has industrial utilization value.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a hearth device of a coal-fired boiler. The method has the advantage of reburning the coal in the coal ash, and solves the problem that the existing boiler cannot reburn the coal in the coal ash.

The invention relates to a hearth device of a coal-fired boiler, which comprises a boiler body and a water pipe fixedly arranged on the inner wall of the upper half part of the boiler body,

two supporting blocks which incline downwards are symmetrically arranged on the inner wall of the middle part of the furnace body, an ash leakage net I is fixedly connected between the two supporting blocks, an ash leakage net II is fixedly connected between the inner walls of the bottom of the furnace body, and the top of the ash leakage net II is slidably connected with a pushing cross rod;

the top of the pushing cross bar is fixedly connected with a connecting plate, the bottom of the supporting block on the right side is fixedly connected with a suspender, and a horizontal threaded rod is rotatably connected between the connecting plate and the suspender;

the right side fixedly connected with mounting panel of furnace body, the right-hand member fixedly connected with motor of mounting panel, the left end fixedly connected with conical gear of motor, the conical gear bottom fixedly connected with sleeve of vertical direction, telescopic inside is rotated and is connected with vertical threaded rod, the coal-fired storage box of bottom fixedly connected with of vertical threaded rod, the front side fixedly connected with gag lever post of coal-fired storage box.

Furthermore, the top of the ash leakage net II is fixedly connected with an edge frame.

Further, the left end bottom fixedly connected with branch of mounting panel, the left end top fixedly connected with pillar of mounting panel, the top fixedly connected with roof of pillar.

Furthermore, a water inlet pipe is fixedly communicated with the left end of the water pipe.

Furthermore, a square hole is formed in the center of the supporting block on the right side, the cross sectional area of the square hole in the vertical direction is equal to the cross sectional area of the suspender in the vertical direction, a through square hole groove is further formed in the surface of the supporting block on the right side, the cross sectional area of the through square hole groove in the vertical direction is equal to the cross sectional area of the coal storage box in the vertical direction, and the coal storage box can conveniently slide in the vertical direction.

Furthermore, the aperture size of the first ash leakage net is larger than that of the second ash leakage net.

Furthermore, both ends need contact with the front and back inner wall of border frame around promoting the horizontal pole, and promote the height that the horizontal pole is greater than the border frame, the width between the wall is greater than around the coal-fired storage box the width between the inside wall around the ash leakage net two.

Further, mounting panel and motor are also installed to the left side of furnace body, the thread groove that matches in vertical threaded rod outer wall is seted up to telescopic inside, just the spacing ring that the diameter is greater than sleeve diameter is installed to telescopic bottommost.

Further, coal-fired storage box is a box body, both sides run through swing joint has a pivot around the coal-fired storage box, the middle part of this pivot and the bottom fixed connection of vertical threaded rod, and the position of this pivot installation is located the left side of the horizontal length central line of coal-fired storage box simultaneously.

Furthermore, a horizontal transverse blocking rod parallel to the bottom edge of the coal storage box is installed on the outer wall of the front side of the coal storage box, the blocking rod is overlapped with the middle line of the coal storage box in the vertical direction, and the included angle between the coal storage box and the horizontal direction when the coal storage box is in contact with the supporting rod is smaller than the included angle between the supporting block and the horizontal direction.

By the scheme, the invention at least has the following advantages:

according to the hearth device of the coal-fired boiler, the ash leakage net I is fixedly arranged between the two supporting blocks, the ash leakage net II is arranged at the bottom of the boiler body, unburned coal cinder and coal ash at the top of the ash leakage net I fall on the top of the ash leakage net II, the coal ash is screened down through the ash leakage net II, the part of fire coal is collected into the fire coal storage box through the pushing cross rod, the fire coal is conveyed to the upper part of the ash leakage net I through the fire coal storage box, the part of fire coal is poured to the left to the surface of the ash leakage net I from the fire coal storage box, and the fire coal in the coal ash is fully combusted through the flame on the ash leakage net I, so that the effect of reburning the fire coal in the coal ash is achieved.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment 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 structural view of the present invention;

FIG. 2 is a schematic view of a coal dumping structure of the present invention;

FIG. 3 is a schematic structural view of a second ash-leaking net of the present invention;

FIG. 4 is a schematic view of a bevel gear according to the present invention;

in the figure: 1. a furnace body; 2. a support block; 3. a first ash leakage net; 4. a second ash leakage net; 5. a rim frame; 6. pushing the cross bar; 7. mounting a plate; 8. a motor; 9. a bevel gear; 10. a sleeve; 11. a vertical threaded rod; 12. A coal storage bin; 13. a limiting rod; 14. a strut; 15. a pillar; 16. a top plate; 17. a connecting plate; 18. A boom; 19. a horizontal threaded rod; 20. a water pipe; 21. and (4) a water inlet pipe.

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.

Referring to fig. 1-4, a hearth device of a coal-fired boiler comprises a furnace body 1, a supporting block 2 is fixedly connected to the inner wall of the middle part of the furnace body 1 by welding, a square hole is formed in the center of the right supporting block 2, the size of the cross-sectional area of the square hole in the vertical direction is equal to the size of the cross-sectional area of a suspender 18 in the vertical direction, the size of the aperture of a first ash leakage net 3 is larger than that of a second ash leakage net 4, in order to facilitate the coal-fired storage box 12 to slide in the vertical direction through the right supporting block 2, a square hole groove needs to be formed in the surface of the right supporting block 2, the coal-fired storage box 12 can slide in the vertical direction, in order to prevent the edge of the coal-fired storage box 12 from being scraped by the hole groove, the sizes of the cross-sectional areas of the two are required to be consistent, the first ash leakage net 3 primarily screens the, therefore, the aperture size of the ash leakage net II 4 needs to be smaller than that of the ash leakage net I3, the ash leakage net I3 is fixedly connected between the two supporting blocks 2 through welding, the ash leakage net II 4 is fixedly connected between the inner walls at the bottom of the furnace body 1 through welding, the top of the ash leakage net II 4 is fixedly connected with the edge frame 5 through welding, the top of the ash leakage net II 4 is slidably connected with a pushing cross rod 6, the front end and the rear end of the pushing cross rod 6 need to be in contact with the front inner wall and the rear inner wall of the edge frame 5, the height of the pushing cross rod 6 is larger than that of the edge frame 5, the width between the front wall and the rear wall of the coal-fired storage box 12 is larger than that between the front inner side wall and the rear inner side wall of the ash leakage net II 4, when coal cinder dropping through the ash leakage net I3 is on the top of the ash leakage net II 4, the coal cinder at the top of the ash leakage net II 4 is completely pushed and swept to the, then enters the interior of a coal storage box 12, the coal cinder is collected through the coal storage box 12, in order to completely collect the coal cinder, the width of the coal storage box 12 is larger than the width of an ash leakage net II 4, the coal cinder is prevented from leaking through a gap between the ash leakage net II 4 and the coal storage box 12, the right side of the furnace body 1 is fixedly connected with a mounting plate 7 by welding, the right end of the mounting plate 7 is fixedly connected with a motor 8 by welding, the left end of the motor 8 is fixedly connected with a conical gear 9 by welding, the bottom of the conical gear 9 in the vertical direction is fixedly connected with a sleeve 10 by welding, the mounting plate 7 and the motor 8 are also installed on the left side of the furnace body 1, a thread groove matched with the outer wall of a vertical threaded rod 11 is formed in the sleeve 10, a limit ring with the diameter larger than that of the sleeve 10 is installed at the bottommost of the sleeve, so the left side of the furnace body 1 is also provided with the motor 8, mainly used for providing power for the horizontal threaded rod 19, the vertical threaded rod 11 slides up and down through the thread generated between the sleeve 10 and the vertical threaded rod 11, the vertical threaded rod 11 is driven to slide up and down in the vertical direction, so the inner wall of the sleeve 10 can realize the thread rotation with the sleeve 10 only by arranging a thread groove, the limiting ring is used for preventing the sleeve 10 from sliding displacement in the vertical direction, thereby causing the instability of the thread rotation, the inside of the sleeve 10 is rotatably connected with the vertical threaded rod 11, the bottom of the vertical threaded rod 11 is fixedly connected with the coal storage box 12 through welding, the coal storage box 12 is a box body, the front side and the back side of the coal storage box 12 are movably connected with a rotating shaft in a penetrating way, the middle part of the rotating shaft is fixedly connected with the, meanwhile, the installation position of the rotating shaft is positioned at the left side of the horizontal length center line of the coal storage box 12, in order to prevent the cinder collected from the top of the ash leakage net 4 from spilling out, the state of the coal storage box 12 receiving the cinder is designed to be inclined to the right, so the cinder can slide into the coal storage box 12 along the slope formed by the coal storage box 12, meanwhile, a limit angle plate is installed inside the coal storage box 12, the maximum inclination angle limiting the rightward inclination of the coal storage box 12 can only be thirty degrees, a hollow round pipe is installed at the top of the top plate 16, sliding grooves are formed on two sides inside the round pipe, protruding sliding blocks are installed on two sides of the top of the vertical threaded rod 11 and are connected in the sliding grooves in a sliding manner, the vertical threaded rod 11 is prevented from rotating along with the sleeve 10 when the threads between the vertical threaded rod 11 and the sleeve 10 rotate, a horizontal transverse blocking rod parallel to the bottom edge of the coal, the baffle rod is superposed with the center line position of the vertical direction of the coal storage box 12, the included angle between the coal storage box 12 and the horizontal direction when the coal storage box 12 is contacted with the supporting rod 14 is smaller than the included angle between the supporting block 2 and the horizontal direction, when the coal storage box 12 slides to the bottom of the supporting rod 14, the coal storage box 12 continuously slides upwards, the bottom of the supporting rod 14 can prevent the left side of the coal storage box 12 from continuously ascending, at the moment, the coal storage box 12 can incline leftwards around the rotating shaft inside, coal slag slides out of the coal storage box 12 and falls on the coal slag at the top of the ash leakage net I3 to be incinerated again when the coal slag inclines to a certain angle, the front side of the coal storage box 12 is fixedly connected with a limiting rod 13 through welding, the bottom of the left end of the mounting plate 7 is fixedly connected with the supporting rod 14 through welding, the top of the left end of the mounting plate 7, the top of the pushing cross bar 6 is connected with a connecting plate 17 through welding and fixing, the bottom of the right side supporting block 2 is connected with a suspender 18 through welding and fixing, a horizontal threaded rod 19 is rotatably connected between the connecting plate 17 and the suspender 18, the upper half inner wall of the furnace body 1 is connected with a water pipe 20 through welding and fixing, and the left end of the water pipe 20 is fixedly communicated with a water inlet pipe 21.

The working principle is that when fire coal is combusted on the surface of the ash leakage net I3, a large amount of coal ash is generated at the top of the ash leakage net I3, in order to enable the coal ash to fall down quickly, the aperture of the ash leakage net I3 is large, a part of unburned fire coal and the coal ash fall down together, the ash leakage net II 4 catches the fire coal and the fire coal, the fire coal is left after being screened again through the ash leakage net II 4, the fire coal is pushed into the fire coal storage box 12 by pushing the cross rod 6 to slide rightwards, the tapered gear 9 is driven to rotate by starting the motor 8, the sleeve 10 and the vertical threaded rod 11 are rotated to rotate to drive the vertical threaded rod 11 to slide upwards, so as to drive the fire coal storage box 12 to slide upwards, when the fire coal storage box 12 slides to the bottom of the supporting rod 14, the supporting rod 14 prevents the left end of the fire coal storage box 12 from sliding upwards, and at the time, the fire, and pouring the fire coal in the fire coal storage box 12 onto the flame at the top of the first ash leakage net 3 for secondary combustion, thereby realizing the secondary combustion of the fire coal.

In summary, in the hearth device of the coal-fired boiler, the ash-leaking net I3 is fixedly installed between the two supporting blocks 2, the ash-leaking net II 4 is installed at the bottom of the boiler body 1, unburned coal cinder and coal ash at the top of the ash-leaking net I3 fall on the top of the ash-leaking net II 4, the coal ash is sieved down through the ash-leaking net II 4, the part of the coal is collected into the coal storage box 12 by pushing the cross rod 6, the coal is conveyed to the upper part of the ash-leaking net I3 through the coal storage box 12, the part of the coal is poured to the left on the surface of the ash-leaking net I3 from the coal storage box 12, and the coal is fully combusted through the flame on the ash-leaking net I3, so that the effect of reburning the coal in the coal ash is achieved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.