CN204523170U - A kind of broken abrasive dust Unitary coal powder machine - Google Patents

A kind of broken abrasive dust Unitary coal powder machine Download PDF

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Publication number
CN204523170U
CN204523170U CN201520205031.0U CN201520205031U CN204523170U CN 204523170 U CN204523170 U CN 204523170U CN 201520205031 U CN201520205031 U CN 201520205031U CN 204523170 U CN204523170 U CN 204523170U
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China
Prior art keywords
abrasive dust
crushing
shell
coal
main shaft
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CN201520205031.0U
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Chinese (zh)
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李文璇
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李文璇
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Abstract

A kind of broken abrasive dust Unitary coal powder machine, comprise base, crushing mechanism, abrasive dust mechanism and transmission mechanism, crushing mechanism and abrasive dust mechanism are installed on base, and crushing mechanism is all connected with transmission mechanism with abrasive dust mechanism, described crushing mechanism comprises crushing shell, vertical shaft and broken cone pulley, the side wall lower ends of crushing shell is provided with discharging opening, vertical shaft is arranged on crushing shell, vertical shaft top is positioned at crushing shell and is provided with eccentric wheel disc, broken cone pulley is arranged on eccentric wheel disc, described abrasive dust mechanism comprises abrasive dust housing and main shaft, one end of abrasive dust housing is provided with charging aperture, discharging opening on this charging aperture and crushing shell is docking together, milling compartment and powder spraying chamber in abrasive dust housing, main shaft is arranged in abrasive dust housing, the part of main shaft in milling compartment is provided with mill hammer, the part of main shaft in powder spraying chamber is provided with fan blade.This Coal-disintegrating machine integrates mass transport, fragmentation, abrasive dust and dusts, and crushing effect is good, efficiently can produce coal dust.

Description

A kind of broken abrasive dust Unitary coal powder machine

Technical field

The utility model relates to a kind of for lump coal being ground into powder with the Coal-disintegrating machine providing utilization rate of coal to obtain maximum calorific value, belongs to Coal-disintegrating machine technical field.

Background technology

Coal-disintegrating machine raw coal is pulverized suspension combustion in feeding stove reach the equipment of complete combustion purpose, is mainly used in the industries such as Malleable cast Iron plant, Foundry Works, steel rolling mill, strip mill, cement plant, boiler factory, forge plant.The Coal-disintegrating machine occurred in the market mainly with " a kind of Coal-disintegrating machine " disclosed in Chinese patent literature CN2754722 for representative, its structure comprises frame and casing, casing becomes pulverizing chamber and powder feeding room by baffle for separating, dividing plate is provided with the coal dust channel being communicated with pulverizing chamber and powder feeding room, the housing of pulverizing chamber is provided with coal feeding bucket, quartering hammer is provided with in pulverizing chamber, powder feeding indoor are provided with blows coal dust device, the housing sidewall of powder feeding room is provided with discharge, the axial location of casing is provided with the Coal-disintegrating machine arbor driving quartering hammer and blow coal dust device rotation, it is outer and be provided with drive unit that casing is stretched out in one end of Coal-disintegrating machine arbor, under the drive of drive unit, the raw coal added from coal feeding bucket is smashed by the quartering hammer in pulverizing chamber, what rotate blows coal dust device from coal feeding bucket air draught, wind-force drives coal dust to enter powder feeding room from pulverizing chamber by the coal dust channel dividing plate, also directly can enter pulverized coal firing boiler by blowing coal dust device from discharge blowout.This Coal-disintegrating machine directly raw coal is carried out fragmentation, raw coal volume is larger, block in gap easily between quartering hammer and housing, fineness due to coal dust depends on the gap between quartering hammer and housing, therefore in order to avoid blocking, larger gap will be retained between quartering hammer and housing, this just have impact on the fineness of coal dust, the efficiency simultaneously producing coal dust is also a greater impact, burning of coal does not reach optimum efficiency, cause the serious wear between coal cinder and inner walls simultaneously, affect service life of equipment.

CN100534625 disclosed " centrifugal type composite coal-grinding and powder-spraying machine " is that the middle part of main shaft is provided with the different fling rammer of three groups of diameters successively, and fling rammer and impeller are connected as a single entity, by bolted on the ring flange of main shaft at the base of body built with main shaft.The front end of body is provided with fan storehouse, and be provided with air inducing fan in fan storehouse, the left side in fan storehouse is provided with meal outlet, and meal outlet is equipped with the cylinder that dusts.The rear end of body is provided with feeding screw.This equipment just adds the quantity of feeding screw and crusher chamber on the basis of " a kind of Coal-disintegrating machine " disclosed in CN2754722, still there is the problem same with it.

In addition, CN203508094U disclosed " centrifugal controlled coal-grinding and powder-spraying machine ", CN202008154U disclosed " coal-grinding and powder-spraying machine " and CN201706521U disclosed " Winnowing hammer coal sprayer " are also improve in mass transport, crushing steps, transmission mechanism etc., do not make fine coal efficiency, fineness of pulverized coal is improved.

Also there is a same problem in above-mentioned Coal-disintegrating machine, is exactly that housing is bolted together by upper and lower two parts, during maintenance, needs upper part to sling, and being difficult to realize, being therefore not easy to maintenance not having the occasion of suspender.

Summary of the invention

The deficiency that the utility model exists in efficiency, abrasive dust effect and maintenance for existing Coal-disintegrating machine, provides that a kind of abrasive dust is effective, efficiency is high, easy to maintenance, the reliable broken abrasive dust Unitary coal powder machine of handling safety.

Broken abrasive dust Unitary coal powder machine of the present utility model, adopts following technical proposals:

This Coal-disintegrating machine, comprises base, crushing mechanism, abrasive dust mechanism and transmission mechanism, and crushing mechanism and abrasive dust mechanism are installed on base, and crushing mechanism is all connected with transmission mechanism with abrasive dust mechanism, described crushing mechanism comprises crushing shell, vertical shaft and broken cone pulley, crushing shell is arranged on base, the upper end of crushing shell is connected with hopper, the bottom of crushing shell is inclined-plane, the lower end sidewall of crushing shell being positioned at this inclined-plane is provided with discharging opening, and vertical shaft is arranged on crushing shell, and vertical shaft top is positioned at crushing shell and is provided with eccentric wheel disc, broken cone pulley is arranged on eccentric wheel disc, and vertical shaft bottom is stretched out crushing shell and is connected with transmission mechanism, described abrasive dust mechanism comprises abrasive dust housing and main shaft, one end of abrasive dust housing is provided with charging aperture, discharging opening on this charging aperture and crushing shell is docking together, the milling compartment separated by dividing plate and powder spraying chamber is provided with in abrasive dust housing, dividing plate is provided with powder outlet, main shaft is arranged in abrasive dust housing, through milling compartment and powder spraying chamber, and one end is stretched out abrasive dust housing and is connected with transmission mechanism, in the part of main shaft in milling compartment, radial direction is provided with mill hammer, in the part of main shaft in powder spraying chamber, radial direction is provided with fan blade, the inwall of the inherent abrasive dust housing of powder spraying chamber is provided with the mouth that dusts.

Described transmission mechanism comprises motor, belt transmission and Bevel Gear Transmission, and bel-drivenn drive pulley and negative pulley wheel are arranged on motor and main shaft respectively, the drive bevel gear of Bevel Gear Transmission and being arranged on respectively on main shaft and vertical shaft by dynamic bevel gear.

The inwall of milling compartment and powder spraying chamber is provided with anti-wearing liner.

Abrasive dust housing is divided into upper half shell and lower half shell, and it is hinged that upper half shell and lower half shell pass through hinge, upper half shell is provided with handgrip and connecting bolt.

When above-mentioned Coal-disintegrating machine uses, start transmission mechanism, drive crushing mechanism and abrasive dust mechanical operation, raw coal enters crushing mechanism by hopper, and coal crusher is less broken coal by the broken cone pulley in crushing shell, for next step coal-grinding lays the first stone.Broken coal enters abrasive dust mechanism along the discharging opening bottom crushing shell.Broken coal grinds in the milling compartment of abrasive dust mechanism becomes coal dust, and drives coal dust to enter powder spraying chamber by wind-force, and is directly sprayed in combustion furnace by the mouth that dusts.Crushing mechanism not only has crushing function but also have conveying function, and abrasive dust mechanism has abrasive dust concurrently and function of dusting.

The utility model compact conformation, volume is little, integrate mass transport, fragmentation, abrasive dust and dust, crushing effect is good, efficiently can produce coal dust, improve fineness of pulverized coal to greatest extent, reach complete combustion purpose, make combustion even thoroughly, without black smoke, make fuel cost reduction by more than 65%, meet environmental requirement again, improve economic benefit and social benefit.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model broken abrasive dust Unitary coal powder machine.

Fig. 2 is the left view of Fig. 1.

Wherein: 1, base, 2, Bevel Gear Transmission, 3, vertical shaft, 4, eccentric wheel disc, 5, crushing shell, 6, broken cone pulley, 7, hopper, 8, discharging opening, 9, motor, 10, belt transmission, 11, abrasive dust housing, 12, charging aperture, 13, milling compartment, 14, anti-wearing liner, 15, flyball, 16, powder outlet, 17, fan blade, 18, powder spraying chamber, 19, main shaft, 20, dust mouth, 21, upper half shell, 22, handgrip, 23, lower half shell, 24, hinge, 25, connecting bolt.

Detailed description of the invention

As shown in Figure 1, broken abrasive dust Unitary coal powder machine of the present utility model, mainly comprise base 1, crushing mechanism, abrasive dust mechanism and transmission mechanism, crushing mechanism and abrasive dust mechanism are installed on base 1, and crushing mechanism is all connected with transmission mechanism with abrasive dust mechanism.

Crushing mechanism comprises crushing shell 5, vertical shaft 3, eccentric wheel disc 4 and broken cone pulley 6, crushing shell 5 is arranged on base 1 by pillar, the upper end of crushing shell 5 is connected with hopper 7, the bottom of crushing shell 5 is inclined-plane, the lower end sidewall of crushing shell 5 being positioned at this inclined-plane is provided with discharging opening 8, vertical shaft 3 is arranged on crushing shell 5 by bearing, the top of vertical shaft 3 is positioned at crushing shell 5, crushing shell 5 is stretched out in bottom, the upper end that vertical shaft 3 is positioned at crushing shell 5 is provided with eccentric wheel disc 4, broken cone pulley 6 is arranged on eccentric wheel disc 4, the part that vertical shaft 3 stretches out crushing shell 5 is connected with transmission mechanism.

Abrasive dust mechanism comprises abrasive dust housing 11 and main shaft 19, and one end of abrasive dust housing 11 is provided with charging aperture 12, and this charging aperture 12 is docking together with the discharging opening 8 on crushing shell 5, and abrasive dust housing 11 and crushing shell 5 can be structure as a whole.Be provided with the milling compartment 13 and powder spraying chamber 18 that are separated by dividing plate in abrasive dust housing 11, dividing plate is provided with powder outlet 16.Milling compartment 13 can arrange one or more.The inwall of milling compartment 13 and powder spraying chamber 18 is provided with anti-wearing liner 14.Main shaft 19 is arranged in abrasive dust housing 11 by bearing, and through milling compartment 13 and powder spraying chamber 18, and one end is stretched out abrasive dust housing 11 and is connected with transmission mechanism.In the part of main shaft 19 in milling compartment 13, radial direction is provided with mill hammer 15, gap between mill hammer 15 and anti-wearing liner 14 can adjust according to fineness of pulverized coal, when having multiple milling compartment, in it, mill hammer 15 can be different from the gap between anti-wearing liner 14, minimum closest to the gap in the milling compartment 13 of powder spraying chamber 18, determine the fineness of final coal dust.In the part of main shaft 19 in powder spraying chamber 18, radial direction is provided with fan blade 17, and the inwall of the inherent abrasive dust housing 11 of powder spraying chamber 18 is provided with the mouth 20 that dusts.

Transmission mechanism comprises motor 9, belt transmission 10 and Bevel Gear Transmission 2, the drive pulley of belt transmission 10 and negative pulley wheel are arranged on motor 9 and main shaft 19 respectively, the drive bevel gear of Bevel Gear Transmission 2 and being arranged on respectively on main shaft 19 and vertical shaft 3 by dynamic bevel gear.Motor 9 drives main shaft 19 to rotate by belt transmission 10, and main shaft 19 drives vertical shaft 3 to rotate by Bevel Gear Transmission 2 again, achieves a driven by motor two and overlaps mechanical operation.

For the ease of overhauling abrasive dust mechanism, as shown in Figure 2, abrasive dust housing 11 is divided into upper half shell 21 and lower half shell 23, it is hinged that upper half shell 21 and lower half shell 23 pass through hinge 24, upper half shell 21 is provided with handgrip 22 and connecting bolt 25.By connecting bolt 25, two and half shells are linked together.Anti-wearing liner correspondingly on milling compartment 13 and powder spraying chamber 18 inwall is also divided into two parts.

The course of work of above-mentioned broken abrasive dust Unitary coal powder machine is as described below:

Starter motor 9, main shaft 10 and vertical shaft 3 are rotated, and raw coal is put into by hopper 7, first enters in crushing shell 5.Vertical shaft 3 drives broken cone pulley 6 eccentric rotary, is less broken coal by the coal crusher fallen between crushing shell 5 inwall and broken cone pulley 6, for next step coal-grinding lays the first stone.Broken coal falls along the inclined-plane bottom crushing shell 5, and is entered in abrasive dust housing 11 by discharging opening 8 and charging aperture 12.Crushing shell 5 inside is broken occasion, is also transfer passage.Broken coal becomes coal dust by the grinding between the anti-wearing liner 14 on mill hammer 15 and its inwall in milling compartment 13, and the wind-force of fan blade 17 drives coal dust to enter powder spraying chamber 18 by the powder outlet 16 on dividing plate, and is directly sprayed in combustion furnace by the mouth 20 that dusts.Due to the grinding of mill hammer 15 is broken broken coal, and the time becoming coal dust shortens dramatically, and efficiency greatly improves, and thinner, can ensure that burning thoroughly, produces without black smoke.

When on abrasive dust housing 11 inwall and mill hammer 15, bonding coal dust needs cleaning or when needing other to overhaul, can unclamp connecting bolt 25, catch handgrip 22, upwards be dug by upper half shell 21, without the need to suspender, easy to operate.

Claims (4)

1. a broken abrasive dust Unitary coal powder machine, comprises base, crushing mechanism, abrasive dust mechanism and transmission mechanism, it is characterized in that: crushing mechanism and abrasive dust mechanism are installed on base, and crushing mechanism is all connected with transmission mechanism with abrasive dust mechanism, described crushing mechanism comprises crushing shell, vertical shaft and broken cone pulley, crushing shell is arranged on base, the upper end of crushing shell is connected with hopper, the bottom of crushing shell is inclined-plane, the lower end sidewall of crushing shell being positioned at this inclined-plane is provided with discharging opening, and vertical shaft is arranged on crushing shell, and vertical shaft top is positioned at crushing shell and is provided with eccentric wheel disc, broken cone pulley is arranged on eccentric wheel disc, and vertical shaft bottom is stretched out crushing shell and is connected with transmission mechanism, described abrasive dust mechanism comprises abrasive dust housing and main shaft, one end of abrasive dust housing is provided with charging aperture, discharging opening on this charging aperture and crushing shell is docking together, the milling compartment separated by dividing plate and powder spraying chamber is provided with in abrasive dust housing, dividing plate is provided with powder outlet, main shaft is arranged in abrasive dust housing, through milling compartment and powder spraying chamber, and one end is stretched out abrasive dust housing and is connected with transmission mechanism, in the part of main shaft in milling compartment, radial direction is provided with mill hammer, in the part of main shaft in powder spraying chamber, radial direction is provided with fan blade, the inwall of the inherent abrasive dust housing of powder spraying chamber is provided with the mouth that dusts.
2. broken abrasive dust Unitary coal powder machine according to claim 1, it is characterized in that: described transmission mechanism comprises motor, belt transmission and Bevel Gear Transmission, bel-drivenn drive pulley and negative pulley wheel are arranged on motor and main shaft respectively, the drive bevel gear of Bevel Gear Transmission and being arranged on respectively on main shaft and vertical shaft by dynamic bevel gear.
3. broken abrasive dust Unitary coal powder machine according to claim 1, is characterized in that: the inwall of described milling compartment and powder spraying chamber is provided with anti-wearing liner.
4. broken abrasive dust Unitary coal powder machine according to claim 1, is characterized in that: described abrasive dust housing is divided into upper half shell and lower half shell, and it is hinged that upper half shell and lower half shell pass through hinge, upper half shell is provided with handgrip and connecting bolt.
CN201520205031.0U 2015-04-07 2015-04-07 A kind of broken abrasive dust Unitary coal powder machine CN204523170U (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105149037A (en) * 2015-10-23 2015-12-16 宿州市皖神面制品有限公司 Coal-saving combustion device used for boiler
CN106166508A (en) * 2016-08-27 2016-11-30 绵阳天虹丝绸有限责任公司 A kind of efficient lime powder duster
CN107159374A (en) * 2017-05-24 2017-09-15 张掖市农业科学研究院 Flour mill
CN110425859A (en) * 2019-08-16 2019-11-08 嵊州航羽电子有限公司 A kind of efficient mineral powder drying unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105149037A (en) * 2015-10-23 2015-12-16 宿州市皖神面制品有限公司 Coal-saving combustion device used for boiler
CN106166508A (en) * 2016-08-27 2016-11-30 绵阳天虹丝绸有限责任公司 A kind of efficient lime powder duster
CN107159374A (en) * 2017-05-24 2017-09-15 张掖市农业科学研究院 Flour mill
CN110425859A (en) * 2019-08-16 2019-11-08 嵊州航羽电子有限公司 A kind of efficient mineral powder drying unit

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150805

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