阅读说明：本技术 一种高等级直接法氧化锌炉排炉的刮渣和破渣系统 (Slag scraping and breaking system of high-grade direct method zinc oxide grate furnace ) 是由 梁峰 俞金长 梁云 蔡锦华 李天朝 于 2019-10-25 设计创作，主要内容包括：一种高等级直接法氧化锌炉排炉的刮渣和破渣系统,包括刮渣机构和破渣机构,刮渣机构包括炉排上的八个刮渣片,两组刮渣片分别位于炉排两端的两侧和中间的炉排上,位于两侧的侧刮渣片与炉排炉的炉壁紧贴安装,位于中间两组的中刮渣片与侧刮渣片在炉排横向同一直线安装；所述破渣机构位于炉排靠从动滚筒的一侧,破渣机构由空心轴、钩锤、驱动装置组成,驱动装置的破渣驱动减速机通过链轮连接有转轴,转轴的中部固定套装有破碎空心轴；破碎空心轴上设有多组钩锤。本发明刮渣片清理结在炉体墙壁的炉渣和壁挂,使得炉体保持正常的有效冶炼面积,同时起破碎炉渣的作用,与破渣装置一起解决了炉渣顺利出渣问题,避免由于炉体结渣和出渣问题而导致生产中断。(A slag scraping and breaking system of a high-grade direct zinc oxide grate furnace comprises a slag scraping mechanism and a slag breaking mechanism, wherein the slag scraping mechanism comprises eight slag scraping sheets on a grate, two groups of slag scraping sheets are respectively positioned on two sides of two ends of the grate and the grate in the middle, the side slag scraping sheets on the two sides are closely mounted with the furnace wall of the grate furnace, and the middle slag scraping sheets and the side slag scraping sheets in the middle two groups are transversely mounted on the same straight line on the grate; the slag breaking mechanism is positioned on one side of the fire grate, which is close to the driven roller, and consists of a hollow shaft, a hook hammer and a driving device, a slag breaking driving speed reducer of the driving device is connected with a rotating shaft through a chain wheel, and the middle part of the rotating shaft is fixedly sleeved with a breaking hollow shaft; the crushing hollow shaft is provided with a plurality of groups of hook hammers. The slag scraping sheet of the invention cleans the slag and the wall hanging on the wall of the furnace body, so that the furnace body keeps normal effective smelting area, plays the role of crushing the slag, solves the problem of slag smooth discharge of the slag together with the slag crushing device, and avoids production interruption caused by slag bonding and slag discharge of the furnace body.)

1. A high-grade direct method zinc oxide grate furnace scrapes the dreg and breaks the dreg system, the fire grate (1) in the fire grate furnace is a chain type fire grate, the fire grate slice is divided into driving slice and passive slice, the driving slice is a chain link; the fire grate (1) is arranged on a driving chain wheel (18) and a driven roller (6), and a cooling system (19) consisting of a blower and a cooling pipe is respectively arranged at one side of the driving chain wheel (18) and the driven roller (6); the method is characterized in that: the slag scraping and breaking system comprises a slag scraping mechanism and a slag breaking mechanism (2), the slag scraping mechanism comprises eight slag scraping sheets (3) on a fire grate, the eight slag scraping sheets (3) are respectively two groups, each group is four, the two groups of slag scraping sheets (3) are respectively positioned on two sides of two ends of the fire grate and on the fire grate in the middle, the side slag scraping sheets (4) positioned on two sides are closely mounted with the furnace wall of the fire grate, and the middle slag scraping sheets (5) positioned in the middle two groups and the side slag scraping sheets (4) positioned on two sides are transversely and linearly mounted on the fire grate; the slag breaking mechanism (2) is positioned on one side, close to the driven roller (6), of the fire grate, the slag breaking mechanism (2) is composed of a hollow shaft (7), a hook hammer (8) and a driving device, the driving device comprises a slag breaking driving motor (9), the slag breaking driving motor (9) is connected with a slag breaking driving speed reducer (11) through a slag breaking driving belt pulley (10), the slag breaking driving speed reducer (11) is connected with a rotating shaft (13) through a chain wheel (12), and the middle part of the rotating shaft (13) is fixedly sleeved with the breaking hollow shaft (7); a plurality of groups of hook hammers (8) are arranged on the crushing hollow shaft (7).

2. The slag scraping and breaking system of the high-grade direct method zinc oxide grate furnace of claim 1, which is characterized in that: the side slag scraping sheet (4) corresponds to the driving sheet structure of the chain type fire grate and is used as a special chain link, the structure and the size of the installation part of the side slag scraping sheet are the same as those of a common driving sheet, the upper side of the side slag scraping sheet is designed to be 15 cm higher than that of the driving sheet, and the side slag scraping sheet is installed on the driving chains at two sides of the fire grate and is used as a chain link of a transmission chain.

3. The slag scraping and breaking system of the high-grade direct method zinc oxide grate furnace of claim 1, which is characterized in that: the middle slag scraping sheet (5) corresponds to the grate passive sheet in structure and serves as a special passive sheet, the structure and the size of the installation part of the middle slag scraping sheet are the same as those of a common passive sheet, and the slag scraping part is 15 cm higher than that of the common passive sheet.

4. The slag scraping and breaking system of the high-grade direct method zinc oxide grate furnace of claim 1, which is characterized in that: each group of the hook hammers (8) is six, and the end part of each hook hammer is provided with a wear-resistant hook hammer head (14).

5. The slag scraping and breaking system of the high-grade direct method zinc oxide grate furnace of claim 1, which is characterized in that: each group of hook hammers (8) and hook hammer seats (15) are arranged on the hollow shaft (7) through bolts and nuts.

6. The slag scraping and breaking system of the high-grade direct method zinc oxide grate furnace of claim 1, which is characterized in that: the slag breaking driving speed reducer (11) is arranged on the machine base (16).

7. The slag scraping and breaking system of the high-grade direct method zinc oxide grate furnace of claim 1, which is characterized in that: the end part of the rotating shaft (13) is installed through a bearing seat (17).

Technical Field

The invention relates to the technical field of non-ferrous metal smelting, in particular to a slag scraping and breaking system for a high-grade direct method zinc oxide grate furnace.

Background

A production line for producing high-grade zinc oxide by a direct method comprises a grate furnace body, wherein a smoke throat is arranged in the middle of the furnace body, an oxidation chamber is connected at the outlet of the smoke throat, the oxidation chamber is connected with a smoke tunnel, the smoke tunnel is respectively connected with a waste gas dust collecting system and a dust collecting chamber, the dust collecting chamber is connected with a cooling chamber, the cooling chamber is connected with a pulse dust collector, the pulse dust collector is connected with a desulfurizing tower, an induced draft fan is arranged between the pulse dust collector and the desulfurizing tower, and the desulfurizing tower is connected with a chimney; furnace doors are arranged at two longitudinal sides of the furnace body, and a fire grate is arranged at the bottom of the furnace body.

In general, zinc oxide produced by a direct method uses zinc, lead, iron, silicon, calcium, magnesium and other components as raw materials, slag is generated in the smelting process, proper slag is required by the smelting process, and because the smelting is static fixed smelting, the slag in the whole furnace body can be formed into a whole piece, especially, the slag is hard and has certain toughness in red heat, if the slag is broken into small pieces without taking measures, the slag discharging process can possibly generate the phenomena of furnace discharge without slag removal or blocking, slipping and the like, and the furnace slag in the furnace needs to be cleaned to cause production interruption; steam generated by reduction and volatilization of compounds such as zinc, lead and the like in the briquettes and compounds such as silicon, iron and the like have a small amount of condensation phenomenon and can also form wall hanging on a furnace wall, the two phenomena are accompanied with a smelting process, slag and wall hanging can be hung in the furnace wall, the effective smelting area in the furnace body is influenced, if the slag and the wall hanging are not cleaned in time, the area in the furnace body is smaller and smaller, and meanwhile, the smooth operation of the technical processes such as feeding and the like is influenced. Therefore, the slag scraping and breaking system is arranged in the furnace body, so that the phenomenon of production interruption caused by wall hanging, slag bonding and slag blocking and slipping is avoided, and the smelting process is ensured to be smoothly carried out.

Disclosure of Invention

The invention provides a slag scraping and breaking system of a high-grade direct zinc oxide grate, which is characterized in that eight slag scraping sheets are designed and installed and respectively installed on the side surface and the middle part of the grate, the side slag scraping sheets are used for cleaning slag and wall hanging on the wall of a furnace body, so that the furnace body keeps a normal effective smelting area, and simultaneously, the side slag scraping sheets and a middle slag scraping sheet are used for crushing large slag blocks, the effect of crushing the slag is realized at the beginning, the whole slag in the furnace body is prevented from slipping and being clamped to cause slag discharge along with the movement of the grate, the problem of smoothly discharging the slag is solved together with a slag breaking device, and the production interruption caused by the problems of slag bonding and slag discharge of the furnace body is avoided; the side of slagging tap of grate furnace sets up broken slag mechanism for the process of smelting board becomes massive slag, after the initial crushing of scum piece becomes well slabstone, further breaks into the disintegrating slag, ensures to slag tap and goes on smoothly, and convenient the transport simultaneously avoids the too big unable conveyer of getting into of slabstone or well slabstone or causes the card phenomenon of dying.

The invention provides the following technical scheme:

a high-grade direct method zinc oxide grate furnace scrapes the dreg and breaks the dreg system, the fire grate in the fire grate furnace is the chain type, the fire grate slice is divided into driving slice and passive slice; the fire grate is arranged on the driving chain wheel and the driven roller, and a cooling system consisting of a blower and a cooling pipe is respectively arranged at one side close to the driving chain wheel and the driven roller; the method is characterized in that: the slag scraping and breaking system comprises a slag scraping mechanism and a slag breaking mechanism, the slag scraping mechanism comprises eight slag scraping sheets on a fire grate, the eight slag scraping sheets are respectively two groups, each group is four, the two groups of slag scraping sheets are respectively positioned on two sides of two ends of the fire grate and the fire grate in the middle, the side slag scraping sheets positioned on two sides are closely mounted with the furnace wall of the fire grate furnace, and the middle slag scraping sheets positioned in the middle two groups and the side slag scraping sheets positioned on two sides are transversely mounted on the same straight line of the fire grate; the slag breaking mechanism is positioned on one side of the fire grate, which is close to the driven roller, and consists of a hollow shaft, a hook hammer and a driving device, the driving device comprises a slag breaking driving motor, the slag breaking driving motor is connected with a slag breaking driving speed reducer through a slag breaking driving belt pulley, the slag breaking driving speed reducer is connected with a rotating shaft through a chain wheel, and the middle part of the rotating shaft is fixedly sleeved with a breaking hollow shaft; the crushing hollow shaft is provided with a plurality of groups of hook hammers.

The side slag scraping sheet corresponds to the driving sheet structure of the chain type fire grate and serves as a special chain link, the structure and the size of the installation part of the side slag scraping sheet are the same as those of a common driving sheet, one side of the side slag scraping sheet is designed to be higher than the driving sheet by a certain size, and the side slag scraping sheet is installed on the driving chains on two sides of the fire grate and serves as a chain link of a transmission chain.

The middle slag scraping piece corresponds to the grate passive piece in structure and serves as a special passive piece, the structure and the size of the installation part of the middle slag scraping piece are the same as those of a common passive piece, the slag scraping part is higher than the common passive piece by a certain size and serves as a part of the grate to scrape slag and crush slag together with the side slag scraping pieces. The side slag scraping sheets, the middle slag scraping sheets and the slag breaking device form a set of system for scraping slag and breaking slag together.

Each group of the hook hammers is six, and the end part of each hook hammer is provided with a wear-resistant hook hammer head.

Each group of hook hammers and hook hammer seats are arranged on the hollow shaft through bolts and nuts.

The slag breaking driving speed reducer is arranged on the base

The end part of the rotating shaft is installed through a bearing seat.

The invention has the following beneficial effects:

1. four slag scraping sheets are respectively installed on two sides of two ends of a production line grate furnace and a middle grate to form a slag scraping mechanism, slag and wall hanging on the furnace wall of the grate are condensed when the slag scraping mechanism is used for scraping and cleaning smelting, so that the furnace body keeps a normal effective smelting area, the hardened slag in the middle of the furnace is taken away in an initial crushing mode, the slag discharging process is avoided, the furnace is discharged, the slag is not clamped or slipped, and the like, and the slag discharging is ensured to be clean and not residual.

2. The side slag scraping sheet is formed by the innovative design of the driving sheet of the chain type fire grate, not only serves as a slag scraping sheet, but also has the transmission function of chain links.

3. The middle slag scraping sheet is formed by innovatively designing a grate passive sheet, is installed together with the grate passive sheet, and not only serves as a slag scraping sheet, but also has the conveying function of the grate passive sheet.

4. Slag breaking mechanisms are arranged on slag discharging sides of grate furnaces in production lines, so that smelting process plates are combined into massive slag, the slag is further broken into broken slag after the slag scraping sheets are preliminarily broken into medium-sized slag, the slag discharging is ensured to be smoothly carried out, meanwhile, the conveying is convenient, and the phenomenon that the large-sized slag or the medium-sized slag cannot enter a conveyor or cause blocking is avoided.

5. The slag breaking mechanism consists of a hollow shaft, a hook hammer and a driving device, and cooling measures are not needed in the production process, because a cooling system consisting of an air blower and a cooling pipeline is arranged, and a furnace bottom air box pipe is arranged in a furnace of the furnace grate, which is different from the breaking mechanism of a common sintering machine.

Drawings

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

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is a schematic view of a slag breaking mechanism of the present invention,

fig. 5 is a schematic view of the hook hammer of the present invention.

Fig. 6 is a three-view illustration of a side wiper blade of the present invention.

Fig. 7 is a three-view of the driving plate of the chain grate corresponding to the side slag scraping plate.

Fig. 8 is a schematic view of a middle scraping blade of the present invention.

Fig. 9 is a schematic view of the grate passive plate corresponding to the middle slag scraping plate.

In the figure: 1. a grate; 2. a slag breaking mechanism; 3. scraping a slag sheet; 4. side slag scraping sheets; 5. middle slag scraping sheets; 6. a driven drum; 7. a hollow shaft; 8. hooking and hammering; 9. a slag breaking driving motor; 10. a slag breaking driving belt pulley; 11. driving a speed reducer by breaking slag; 12. a sprocket; 13. a rotating shaft; 14. a wear-resistant hook hammer head; 15. a hook hammer seat; 16. a machine base; 17. a bearing seat; 18. a drive sprocket; 19. a cooling system.

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. 1-3, a slag scraping and breaking system of a high-grade direct zinc oxide grate furnace, wherein a grate 1 in the grate furnace is a chain grate, and grate pieces are divided into a driving piece and a driven piece (see fig. 7 and 9); the fire grate 1 is arranged on a driving chain wheel 18 and a driven roller 6, and a cooling system 19 consisting of a blower and a cooling pipe is respectively arranged at one side of the driving chain wheel 18 and the driven roller 6; the grate 1 is supported by the I-steel bracket, and the grate furnace has cooling track, its characterized in that: the slag scraping and breaking system comprises a slag scraping mechanism and a slag breaking mechanism 2, the slag scraping mechanism comprises eight slag scraping sheets 3 on a fire grate, the eight slag scraping sheets 3 are respectively two groups, the number of each group is four, the two groups of slag scraping sheets 3 are respectively positioned on two sides of two ends of the fire grate and the fire grate in the middle, the side slag scraping sheets 4 positioned on two sides are closely mounted with the wall of the fire grate furnace, and the middle slag scraping sheets 5 positioned in the middle two groups and the side slag scraping sheets 4 positioned on two sides are transversely mounted on the same straight line of the fire grate; the slag breaking mechanism 2 is positioned on one side of the fire grate close to the driven roller 6, the slag breaking mechanism 2 consists of a hollow shaft 7, a hook hammer 8 and a driving device, the driving device comprises a slag breaking driving motor 9, the slag breaking driving motor 9 is connected with a slag breaking driving speed reducer 11 through a slag breaking driving belt pulley 10, the slag breaking driving speed reducer 11 is connected with a rotating shaft 13 through a chain wheel 12, and the middle part of the rotating shaft 13 is fixedly sleeved with the breaking hollow shaft 7; the crushing hollow shaft 7 is provided with a plurality of groups of hook hammers 8. See fig. 4-5.

The side slag scraping sheet 4 corresponds to the driving sheet structure of the chain type fire grate and is used as a special chain link, the structure and the size of the installation part of the side slag scraping sheet are the same as those of a common driving sheet (see figure 7), one side of the side slag scraping sheet is designed to be 15 cm higher than the driving sheet, the side slag scraping sheet is the same as the thickness of slag, and the side slag scraping sheet is installed on the driving chains at two sides of the fire grate and is used as a chain link of a transmission chain. The chain drives the fire grate to move, and the side slag scraping pieces clean slag and wall hanging on the wall of the furnace body, so that the furnace body keeps a normal effective smelting area, and simultaneously, the side slag scraping pieces and the middle slag scraping pieces crush the slag. See fig. 6.

The middle slag scraping sheet 5 corresponds to the grate passive sheet structure and serves as a special passive sheet, the structure and the size of the installation part of the middle slag scraping sheet are the same as those of a common passive sheet (see figure 9), the slag scraping part is 15 cm higher than that of the common passive sheet and is the same as the thickness of slag, and the middle slag scraping sheet serves as a part of the grate and scrapes and crushes slag together with the side slag scraping sheets 4. The side slag scraping sheets 4, the middle slag scraping sheets 5 and the slag breaking device form a set of system for scraping slag and breaking slag together, and production interruption caused by slag bonding and slag discharging of the furnace body is avoided. See fig. 8.

Each group of the hook hammers 8 is six, and the end part of each hook hammer is provided with a wear-resistant hook hammer head 14. See fig. 4-5.

Each group of the hook hammer 8 and the hook hammer seat 15 are arranged on the hollow shaft 7 through bolts and nuts. See fig. 4-5.

The slag breaking driving speed reducer 11 is arranged on the base 16. See fig. 4.

The end of the shaft 13 is mounted by means of a bearing block 17. See fig. 4.

The eight slag scraping sheets are designed and installed and are respectively installed on the side surface and the middle part of the grate, the side slag scraping sheets clean the slag and the wall hanging on the wall of the furnace body, so that the furnace body keeps a normal effective smelting area, and simultaneously the side slag scraping sheets and the middle slag scraping sheets extrude large blocks of slag, the function of crushing the slag is realized in the first step, the whole slag in the furnace body is prevented from slipping and being stuck without moving along with the grate to remove slag, the problem of smooth slag discharging of the slag is solved together with the slag crushing device, and the production interruption caused by the problems of slag bonding and slag discharging of the furnace body is avoided; the side of slagging tap of grate furnace sets up broken slag mechanism for the process of smelting board becomes massive slag, after the initial crushing of scum piece becomes well slabstone, further breaks into the disintegrating slag, ensures to slag tap and goes on smoothly, and convenient the transport simultaneously avoids the too big unable conveyer of getting into of slabstone or well slabstone or causes the card phenomenon of dying.

The undescribed parts of the present invention are the same as or implemented using prior art.