阅读说明：本技术 一种顶燃式高风温的球式热风炉 (Top combustion type high wind temperature ball type hot blast stove ) 是由 倪志坚 于 2020-05-29 设计创作，主要内容包括：本发明公开了一种顶燃式高风温的球式热风炉,其结构包括密封口、烟灰出口、炉体、进煤口、炉灰出口、辅助进气孔、进料滑槽,炉体上端安装有密封口与烟灰出口,进煤口设置在炉体上,进料滑槽穿过炉体,炉体的底部设置有炉灰出口与辅助进气孔,炉体包括球腔、球腔入口、防撞拨料机构、内隔层,球腔与球腔入口为一体化结构,防撞拨料机构配合在球腔入口与进料滑槽之间,内隔层设于球腔的内部,本发明防撞拨料机构设置的衔接导轮、第一镂空弹片、弹簧、第二镂空弹片,弹簧可降低耐火球与第一镂空弹片与第二镂空弹片的冲击力,降低由于倾斜送入耐火球带来的冲击力大而导致耐火球破裂。(The invention discloses a top combustion type high wind temperature ball type hot blast stove, which structurally comprises a sealing port, an ash outlet, a stove body, a coal inlet, a stove ash outlet, an auxiliary air inlet and a feeding chute, wherein the sealing port and the ash outlet are arranged at the upper end of the stove body, the coal inlet is arranged on the stove body, the feeding chute penetrates through the stove body, the stove ash outlet and the auxiliary air inlet are arranged at the bottom of the stove body, the stove body comprises a ball cavity, the anti-collision material shifting mechanism comprises a connecting guide wheel, a first hollowed-out elastic sheet, a spring and a second hollowed-out elastic sheet, wherein the connecting guide wheel, the first hollowed-out elastic sheet, the spring and the second hollowed-out elastic sheet are arranged on the anti-collision material shifting mechanism, the spring can reduce the impact force of a fire-resistant ball and the first hollowed-out elastic sheet and the second hollowed-out elastic sheet, and the fire-resistant ball is prevented from being broken due to the fact that the fire-resistant ball is obliquely fed into the fire-resistant ball and the impact force is large.)

1. The utility model provides a ball formula hot-blast furnace of top combustion formula high wind temperature which characterized in that: the structure of the furnace comprises a sealing port (1), an ash outlet (2), a furnace body (3), a coal inlet (4), a furnace ash outlet (5), an auxiliary air inlet (6) and a feeding chute (7), the upper end of the furnace body (3) is provided with a sealing port (1) and an ash outlet (2), the coal inlet (4) is arranged on the furnace body (3), the feeding chute (7) passes through the furnace body (3), the bottom of the furnace body (3) is provided with a furnace ash outlet (5) and an auxiliary air inlet (6), the furnace body (3) comprises a ball cavity (31), a ball cavity inlet (32), an anti-collision material shifting mechanism (33) and an inner partition layer (34), the ball cavity (31) and the ball cavity inlet (32) are of an integrated structure, the anti-collision material shifting mechanism (33) is matched between the ball cavity inlet (32) and the feeding chute (7), and the inner interlayer (34) is arranged inside the ball cavity (31).

2. The top combustion high blast temperature ball stove according to claim 1, characterized in that: the anti-collision material shifting mechanism (33) comprises a linking guide wheel (331), a first hollowed-out elastic sheet (332), a spring (333), a limiting inner top piece (334), a second hollowed-out elastic sheet (335) and a base (336), one end of the first hollowed-out elastic sheet (332) is movably connected with the linking guide wheel (331), the other end of the first hollowed-out elastic sheet is connected with the spring (333), the limiting inner top piece (334) is arranged inside the first hollowed-out elastic sheet (332) and the second hollowed-out elastic sheet (335), and the linking guide wheel (331) is fixed on two sides of the base (336).

3. The top combustion high blast temperature ball stove according to claim 2, characterized in that: the limiting inner top piece (334) is of a Z-shaped structure, and the limiting inner top piece (334) is fixed with the base (336).

4. A top combustion high blast temperature ball stove according to claim 2 or 3, characterised in that: spacing interior top piece (334) are constituteed and are had push rod (34a), piston (34b), inflator (34c), interior kicking block (34d), gas vent (34e), push rod (34a) bottom is fixed with piston (34b), piston (34b) are vertical clearance fit under push rod (34a) promotes in inflator (34c), one side skin weld of inflator (34c) for spring (333) has interior kicking block (34d), gas vent (34e) are installed to the bottom of inflator (34c), and this gas vent (34e) are used in inside kicking block (34 d).

5. The top combustion high blast temperature ball stove according to claim 4, characterized in that: interior kicking block (34d) are equipped with more than two air guide mouth (4d1) including air guide mouth (4d1), backup pad (4d2), exhaust baffle (4d3) on backup pad (4d2), air guide mouth (4d1) both sides all are fixed with exhaust baffle (4d 3).

6. The top combustion high blast temperature ball stove according to claim 5, characterized in that: the air guide opening (4d1) is matched inside the first hollow elastic sheet (332) and the second hollow elastic sheet (335).

Technical Field

The invention relates to the field of metallurgical machinery, in particular to a top combustion type high-wind-temperature ball-type hot blast stove.

Background

The ball type hot blast stove is a heat accumulating type hot blast stove which replaces a lattice brick chamber with a regular channel with naturally accumulated refractory balls, a combustion chamber of the ball type hot blast stove can be designed into an internal combustion type, an external combustion type and a top combustion type, and the ball type hot blast stove is mainly characterized in that a ball bed replaces lattice bricks, so that the thermal process and the structural parameters of the heat accumulating chamber are obviously changed. The movement of the gas in the ball bed or checker brick chamber is an irregular turbulent movement, and the transverse and longitudinal multidimensional sections of the gas participate in heat exchange, so the heating area is expressed by the surface area which is possessed by the ball bed or checker brick chamber per unit volume and can participate in heat exchange. The ball bed is 3-5 times of the checker bricks, and the heat transfer coefficient is 10 times larger than that of the checker bricks.

Therefore, under the condition that the total heating area is the same, the size of the ball type hot blast stove heat storage chamber is much smaller, and in addition, a top combustion type structure is adopted, in order to improve the rapid ball loading and ball screening, the inclined chute is adopted to realize the online ball loading under the condition of no production stop in the prior art, and the chute has a certain inclination angle in the continuous ball loading, so that the impact force of the fire-resistant ball is large based on the inclination angle during the loading of the fire-resistant ball, and the fire-resistant ball can collide with the wall of the bearing cavity when sliding into the ball collecting cavity, thereby causing the phenomenon of ball fragmentation.

Disclosure of Invention

The invention aims to provide a top combustion type high-wind-temperature ball type hot blast stove, which is used for solving the technical problems that online ball loading is realized by adopting an inclined chute under the condition of no production stop, the impact force is large based on the inclination of the angle when refractory balls are loaded due to the fact that the chute has a certain inclination angle in continuous ball loading, and the refractory balls collide with the wall of a bearing cavity when sliding into a ball collecting cavity, so that the phenomenon of ball breaking is caused.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a top combustion formula high blast temperature's ball formula hot-blast furnace, its structure includes seal, cigarette ash export, furnace body, advances coal mouth, ashes export, supplementary inlet port, feeding chute, seal and cigarette ash export are installed to the furnace body upper end, advance the coal mouth setting on the furnace body, feeding chute passes the furnace body, the bottom of furnace body is provided with ashes export and supplementary inlet port, the furnace body includes ball chamber, ball chamber entry, anticollision group material mechanism, interior interlayer, ball chamber and ball chamber entry structure as an organic whole, the cooperation of anticollision group material mechanism is between ball chamber entry and feeding chute, the inside in ball chamber is located to interior interlayer.

Preferably, the anti-collision material shifting mechanism comprises a connecting guide wheel, a first hollowed-out elastic sheet, a spring, a limiting inner jacking piece, a second hollowed-out elastic sheet and a base, wherein one end of the first hollowed-out elastic sheet is movably connected with the connecting guide wheel, the other end of the first hollowed-out elastic sheet is connected with the spring, the limiting inner jacking piece is arranged inside the first hollowed-out elastic sheet and the second hollowed-out elastic sheet, and the connecting guide wheel is fixed on two sides of the base.

Preferably, the limiting inner top piece is of a Z-shaped structure, and the limiting inner top piece is fixed with the base.

Preferably, the limiting inner ejecting piece comprises a push rod, a piston, an air cylinder, an inner ejecting block and an exhaust port, the piston is fixed at the bottom of the push rod and is vertically and movably matched with the air cylinder under the pushing of the push rod, the inner ejecting block is welded on the surface of one side, opposite to the spring, of the air cylinder, the exhaust port is installed at the bottom of the air cylinder, and the exhaust port acts inside the inner ejecting block.

Preferably, the inner top block comprises air guide ports, a support plate and exhaust baffles, wherein more than two air guide ports are arranged on the support plate, and the exhaust baffles are fixed on two sides of each air guide port.

Preferably, the air guide opening is matched with the inner parts of the first hollow elastic sheet and the second hollow elastic sheet.

Preferably, the first hollow elastic sheet and the second hollow elastic sheet have the same structure and are bilaterally symmetrical.

Preferably, the top end of the push rod is respectively fixed with one side of the first hollow elastic sheet and one side of the second hollow elastic sheet close to the spring, and the first hollow elastic sheet and the second hollow elastic sheet are reversely flicked by the spring to realize the material distribution of the refractory balls.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the anti-collision stirring mechanism, the connecting guide wheel, the first hollow elastic sheet, the spring and the second hollow elastic sheet are arranged, the spring can reduce the impact force of the fire-resistant ball and the first hollow elastic sheet and the second hollow elastic sheet, and the fire-resistant ball is prevented from being broken due to the large impact force caused by obliquely feeding the fire-resistant ball.

2. According to the invention, the first hollow elastic sheet and the second hollow elastic sheet quickly and effectively bounce reversely by utilizing the resetting capability of the spring to respectively feed the fire-resistant ball from different ball cavity inlets, so that the installation efficiency of the fire-resistant ball is improved.

3. The first hollow elastic sheet and the second hollow inner part are matched with the limiting inner ejecting piece, the maximum extrusion range of the spring is maintained through the inner ejecting block arranged on the limiting inner ejecting piece, the resetting capability of the spring is ensured, and the service life of the spring is prolonged.

4. According to the invention, the air guide port arranged on the inner top block is matched with the air exhaust port, the air extruded by the inner piston of the air cylinder under the extrusion and pushing of the spring is diffused in the inner top block through the air exhaust port, and the air is exhausted from the air guide port to act on the first hollowed-out elastic sheet from the inside and the outside, so that residual fire-resistant crushed materials on the surface of the first hollowed-out elastic sheet are removed, and the first hollowed-out elastic sheet is cleaned.

Drawings

FIG. 1 is a schematic structural diagram of a top combustion type high wind temperature ball type hot blast stove of the present invention.

FIG. 2 is a schematic view of the connecting structure of the furnace body and the feeding chute of the present invention.

Fig. 3 is a schematic diagram of a single-side ejecting structure of the anti-collision material poking mechanism.

Fig. 4 is a schematic structural view of the limiting inner top piece of the invention.

Fig. 5 is a schematic structural diagram of the inner top block of the present invention.

In the figure: the device comprises a sealing port 1, an ash outlet 2, a furnace body 3, a coal inlet 4, a furnace ash outlet 5, an auxiliary air inlet 6, a feeding chute 7, a ball cavity 31, a ball cavity inlet 32, an anti-collision material shifting mechanism 33, an inner partition layer 34, a connecting guide wheel 331, a first hollow elastic sheet 332, a spring 333, a limiting inner top piece 334, a second hollow elastic sheet 335, a base 336, a push rod 34a, a piston 34b, an air cylinder 34c, an inner top block 34d, an air outlet 34e, an air guide port 4d1, a supporting plate 4d2 and an air exhaust baffle 4d 3.

Detailed Description

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on or indirectly connected to the other element, and when an element is referred to as being "connected to" the other element, it can be directly connected to or indirectly connected to the other element.

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.