CN201132124Y - Vertical and multilevel whole course crusher - Google Patents

Abstract

The utility model discloses a vertical type multi-step whole course crusher which can crush fine granularity, and is machinery equipment which carries out crush before materials (coals and coal gangue) of a circulating fluidized bed boiler of a coal-fired power plant and a coke furnace of a coking plant enter the furnaces. The vertical type multi-step whole course crusher comprises a reaction device and a ring hammer crushing device which are in a vertical installation state in one machine to complete two crushing methods, that is, after being fed into the crusher, the materials are rapidly scattered over the wheel flange of a rotary disk which has a flat hammer and rotates with high speed and a machine cover liner zigzag by utilizing a material distributor, and the interior of an annular chamber suffers fierce functions of impact and reaction, thereby causing the materials which enter the crusher firstly to complete the rough crushing procedure. And then, rough crushed materials fall into the annular chamber which has a multi-layer ring hammer rotor in an accelerating way by making use of the dead weight and the centrifugal force, and bear comprehensive crushing force such as hammering, rolling, shearing, milling, etc. again from up to down. When reaching the controlled discharging-material size, the crushed materials are scattered from gaps at lower ring hammer working peripheries, thereby obtaining the fine crushing purpose.

Description

The omnidistance disintegrating machine of vertical multi-stage

Technical field:

The omnidistance disintegrating machine of the utility model vertical multi-stage is departments such as coal-burning power plant, coke-oven plant and colliery, coal, gangue is processed the disintegrating machine of use.Be to satisfy discharging to surmise the relatively harsher a kind of new type crushing machine tool equipment of requirement specifically.

Background technology:

In coal-fired power plant's fuel system, coal, gangue that circulating fluidized bed boiler (fluidized bed furnace) is used are gone into the stokehold, and its granularity must reach below 10 millimeters, and it is below 5 millimeters that the coke-oven plant then requires, and should be graininess, and powder containing quantity is too much unsuitable.Instructions for use could be satisfied like this, otherwise operating efficiency (as combustion efficiency, the quality of coke) in the stove will be seriously affected.

Yet, for reaching the furnace size requirement, adopt existing machine to process, its qualification rate is very low.Moreover current coal is more assorted owing to the coal that enters factory is very unsatisfactory, and the ratio of reduction is excessive again, all is the unfavorable factor that influences the discharging-material size of disintegrating machine.If it not only makes the disintegrating machine decrease in efficiency to the ratio of reduction above (material size/discharging-material size) more than 10, but also causes its energy consumption to increase, also obviously aggravation of the abrasion of part is very uneconomical in the machine.

Summary of the invention:

At above-mentioned situation, we on the basis of development " vertical ring hammer disintegrating machine " (1987) patent and production, now develop the omnidistance disintegrating machine of utility model vertical multi-stage again in succession.

The purpose of this utility model provides the omnidistance disintegrating machine of a kind of vertical multi-stage, goes into the stokehold granularity requirements to satisfy the required furnace charge of circulating fluidized bed boiler and coke oven.Thereby both solved the problem that prior art exists, and therefrom simplified technology in small, broken bits and equipment thereof again simultaneously, thereby guaranteed the qualification rate of furnace size requirement.

The purpose of this utility model is achieved in that it comprises the operating characteristic of reaction type and two kinds of disintegrating machines of ring hammer type, is upright dress rotation status in a machine, finishes two kinds of breaking methods; Both material was gone into after machine falls the umbrella shape distributing device that the main shaft top rotating at a high speed earlier, promptly be scattering into the wheel rim and the cover liner zigzag that bar are housed and apply the rotating disk of counterattack active force, standing in the doughnut fiercely to impact and the counterattack effect, finishing the coarse crushing operation earlier thereby make into the machine material.Just broken then material is fallen in the doughnut that the broken work of multilayer ring hammer rotor is housed post, top-downly standing hammering, rolling, multiple comprehensive function power such as shearing, milling, when broken down thing reach when controlling granularity requirements, just the annular between lower floor's ring hammer work periphery and its body arc liner plate is met the crack, borrow its deadweight and centrifugal force and be scattered down, thereby obtained purpose in small, broken bits.

To sum up state as can be known, the omnidistance disintegrating machine of the utility model vertical multi-stage because material from going into machine to the whole process of discharging, all is to be in the duty that is broken, is gone through the effect of multiple stage crushing power, so and name.

Its discharging-material size is the ring hammer rotary work wheel rim that depends on the rotor to be adorned and the radial spacing size of the indoor annular liner plate of ring crush, and its spacing generally successively reduces from top to bottom, and the employing spacer sleeve is controlled.

Description of drawings:

Fig. 1 is the mechanical construction drawing of the omnidistance disintegrating machine of vertical multi-stage.

Fig. 2 is the vertical view of the omnidistance disintegrating machine of vertical multi-stage.

The specific embodiment:

Below in conjunction with example and Fig. 1 mechanical realization of the present utility model being done one specifies.

From Fig. 1 as seen, the omnidistance disintegrating machine of vertical multi-stage of the present utility model, it comprises that parts such as body 1, rotor 2, cover 3, rotating disk 4, top cover 5 and motor 6 constitute.

1, airframe components: it is made up of parts such as support, body and tubular liner plates.

Support: it is a steel-casting, and base has basic installing hole, and a rotor bearing cover for seat holder hole is arranged in the middle, thereunder is equipped with horizontal logical tunnel type hole, is that the work of two motor drive belts is used.Inner chamber gusset and carrying, and broken thing down is to be scattered away in the scallop hole by its gusset.

Body: this machine main body, its adopts steel plate to roll the strength member of the cartridge type crushing chamber that assembly welding forms.Its inwall is equipped with the arc liner plate, for ease of more ring change hammer and service work, also has two fan cleaning doors in the body outside.

2 rotor parts: it is the core that this machine is born broken work.Mainly form by main shaft, rotor block, ring hammer, annulate shaft, two groups of parts such as bearing sleeve, sealing shroud and transmission sheave.This machine is high-power, and therefore, it is also being joined, and two motors is directed in its below, constant speed work.

Main shaft: it is contained in respectively in support and the cover centre mount hole by a pair of biserial spherical roller bearing, and the middle part is together fastening with rotor block by parts such as flat key, locking nuts.Parts such as the bar rotating disk of coarse crushing work and distributing device are being adorned at its top respectively, are adorning the multiple-grooved belt pulley at tail end, make it in the same way, the constant speed operation.

Rotor block: it be guarantee to encircle hammer, annulate shaft is uniform and finish the strength member of work in small, broken bits, adopts cast steel, refining forming.On its body edge, adorn ring hammer circumferentially and axial number, it be depend on working condition requirement and fixed its what.

Ring hammer: because it is the major part of broken material, should select shock-resistant wear-resisting again material for use, be the balance in the assurance work, should adopt fine casting method to make.It is distributed in the outer rim U-shaped seat of rotor, wears and spacing is located by annulate shaft, and it borrows its centrifugal action in the work, and peripheral force, makes its rotation, and revolution move work just as planet, thereby it is finished thing in small, broken bits effectively again.

3, cover parts: it is to constitute this machine annular coarse crushing chamber and support rotor part location work vitals, is installed in the top of body.It is made up of parts such as cover, annular coarse crushing chamber seat board and profile of tooth ring seats.

Cover: adopt steel-casting processing back and annular coarse crushing chamber seat board assembly welding all-in-one-piece.Its cover plate is outer in conjunction with being evenly equipped with the assembling screw on the flange, has the fan-shaped discharging opening of the thing blanking of coarse crushing again in interior width of cloth lid, between its gusset.

The centre bearing cover for seat hole and the bearing rib of cover are to mounting flange, its morpheme requirement of umbrella shape capping control, with the airtight situation of the work of guaranteeing annular coarse crushing chamber and bar and rotating disk.

The profile of tooth ring seat: it selects for use wear-resistant cast steel parts to make.Be assembled on the seat board of annular coarse crushing chamber by securing members such as bolts, be coarse crushing chamber, cover, housing construction in correlated parts of head components because working condition and the requirement different, its profile of tooth, specifications such as diameter are also because of its difference.

4, disk part: it is the pith of coarse crushing operation; It is made up of parts such as rotating disk, bar and umbrella shape distributing devices.These parts require to have good balance, with guarantee that work is in service steadily, friction, noiseless phenomenon.

Rotating disk: owing to be operated in the high-speed cruising, stressedly be in situations such as changeable again, it should adopt high-intensity founding materials and make with extra care, and reaches the requirement of form and position tolerance, should guarantee its balance.

Bar:, not only require it to have wearability, and also have good impact flexibility because it participates in the work of coarse crushing material directly.For guaranteeing balance, generally adopt fine casting method to make.Its installed surface should smooth, zero defect.

Umbrella shape distributing device: go into the machine material and fall its top, borrow the revolution centrifugal action of its umbrella cover, material is scattering between annular coarse crushing zigzag slit hastily, thereby realized the shattering process of in this machine, carrying out in uniform way---making material from the coarse fodder to the fines, is to be in balancedly operating state from start to finish.

5, head components: it is made up of top cover, feed hopper and fastenings.Its seat on the cover parts, by in conjunction with the securing member of flange with its fastening one.

Top cover: it is made by plate weldering bullet structural member.All and the contacted inner surface of material all stud with wearing plate, the top have feed hopper in conjunction with flange circle and bolt hole thereof.For the ease of maintenance, more ring change hammer, annulate shaft, offer a covering of the fan fenestra in its conical surface, be strictly on guard against that dust leaks, its hole sealing cover plate covers locking completely.

Feed hopper: it also is a bullet plate weldment.Its below combines the flange circle in conjunction with the flange circle with top cover, should join and make unanimity, in case dust leaks, sealing wants tight.

Claims (4)

1, the omnidistance disintegrating machine of vertical multi-stage, it comprises the breaker of reaction type and ring hammer crusher, this machine is upright dress state, finishing two kinds of breaking methods, is to adopt reaction type when it is characterized in that coarse crushing, on its device rotating disk is housed, uniform one group of bar on the rotating disk, the revolution corresponding surface of bar is the flute profile ring seat that has on the cover, and with umbrella shape distributing device of its top coupling, it is contained in the top of main shaft; Device in small, broken bits is by which floor the ring hammer revolution wheel rim on the tubular liner plate of body and the rotor part installed in it and constitute broken tube chamber, and its seating nipple chamber is a back taper.

2, according to the omnidistance disintegrating machine of the said vertical multi-stage of claim 1, the body that it is characterized in that airframe components is upright dress state, it is tubular, disposing the arc liner plate on its inwall, its outside has two fan cleaning doors, in body upper cover and head components is installed, support is being fixed in its underpart, there is a rotor bearing cover for seat holder hole at the place, axle center of support, thereunder is equipped with horizontal logical tunnel type hole, and its material-dropping hole is fan-shaped.

3, according to the omnidistance disintegrating machine of the said vertical multi-stage of claim 1, it is characterized in that the rotor block installed on the main shaft of rotor part, a few row's annulate shafts are housed on the rotor block, wearing several on the annulate shaft again respectively to the ring hammer, the cylindrical chamber that its ring hammer revolution work wheel rim constitutes is up big and down small, ring is housed on the annulate shaft hammers spacer sleeve into shape and limit its position.

4, according to the omnidistance disintegrating machine of the said vertical multi-stage of claim 1, it is characterized in that the distributing device of being installed in the cover is a umbrella shape, match with its rotating disk is interdependent, the flank of tooth of the profile of tooth ring seat of institute's liner is in mutual corresponding with its bar working face all the time on the cover, and during the relativity of two sides, wind-force and counterforce have just been produced.

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