CN202028430U

CN202028430U - Integral device of crushing and screening

Info

Publication number: CN202028430U
Application number: CN201120060038XU
Authority: CN
Inventors: 周杨
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-09
Filing date: 2011-03-09
Publication date: 2011-11-09
Anticipated expiration: 2021-03-09

Abstract

The utility model discloses an integral device of crushing and screening, which comprises a machine frame, wherein a first grade crushing device, a screening device and a second grade crushing device are respectively arranged in the machine frame. The first grade crushing device includes a first grade crushing rotor and a screen for screening crushed materials. The first grade crushing rotor and the screen form a first grade crushing chamber. The screening device includes a plurality of screen rollers which are arranged abreast and used for conveying materials. Surfaces of the plurality of the screen rollers form a screen surface for screening the materials, a screen hole is formed by spaces between every two screen rollers, and the conveying entry end of the screening device is connected with the screen. By means of the integral device of crushing and screening, during coarse crushing, materials are crushed and successfully enter the screening device through screen bars; and during material screening, the materials can not be congested when passing through the screening device, thereby having a high screen penetrating rate and a material distributing effect. In addition, the materials on the screen enter a fine crusher to be crushed grade by grade to have a grain size which meets requirement, thereby guaranteeing the grain size requirement after the materials are crushed.

Description

The crushing and screening integral device

Technical field

The utility model relate to a kind of in ature of coal, the coke etc., that the soft material carries out coarse crushing, screening and fine crushing is multi-functional in the crushing and screening integral device of one.

Background technology

Existing disintegrating machine has various ways such as discaling roll, arc screening plate or counterattack dental lamina respectively in its crusher chamber.When work material directly enter on the feeding mouth of crusher chamber, material not of uniform size falls together, is broken together, by after the fragmentation step by step, material is discharged from discharging opening.But the problem that existing disintegrating machine exists is:

1, material is an all-in and all-out, causes the disintegrating machine load to increase, the wearing and tearing aggravation, and it is serious that material is crossed broken phenomenon.

Even 2 are provided with screening plant, but in the prior art, normally screening plant and disintegrating apparatus are separately positioned on different places, cause capital expenditure big, system layout is loaded down with trivial details.

3, be mingled with under the bigger situation of tiny material and continuous flow when bulk materials, tiny material can not in time be discharged and can be produced jam by crusher chamber, and when the humidity of material was big, a large amount of wet stocks can stick in the crusher chamber, also can produce jam.

As Granted publication number is CN201168637Y, Granted publication day is the Chinese patent file in December 24 in 2008, a kind of elementary screening plant of disintegrating machine is disclosed, comprise frame, described frame is provided with the primary dcreening operation chamber, primary dcreening operation chamber top and bottom ends has respectively into, discharging opening, in the feeding mouth of primary dcreening operation chamber, be provided with the conveying sieve roller of a plurality of rotating throughput directions side by side towards the edge of primary dcreening operation chamber one side, but be provided with the gap that the long-pending qualified material piece of donor passes through between each adjacent conveyor sieve roller, each carry sieve roller by transmission mechanism by the drive mechanism that is fixed on the frame.This utility model is with the supporting use of disintegrating machine the time, most of satisfactory material piece can directly leak down from the gap between the adjacent conveyor sieve roller and fall into discharging opening, the material that remaining volume is bigger is admitted to crushing chamber soon and carries out fragmentation under the drive of the conveying sieve roller that rotates, because material has carried out elementary screening in the primary dcreening operation chamber and with material diversion, can effectively reduce the jam that existing disintegrating machine exists, improve the breaking capacity of disintegrating machine complete machine.

But technique scheme is when broken material, and when once big material being crushed to satisfactory tiny material particular diameter, the ratio of reduction is too big, and disintegrating machine is difficult to big material primary fragmentation to satisfactory tiny material.Thereby cause material particular diameter to exceed standard, do not reach instructions for use.And crushing teeth plate structure complexity, overhaul difficult expense height.

The utility model content

For solving the problems of the technologies described above, the utility model proposes a kind of in ature of coal, the coke etc., the soft material carries out coarse crushing, sieves and has the crushing and screening integral device of fine crushing function, adopt the utility model, when coarse crushing, after being broken, material can enter screening plant by grating smoothly, when the screening material, material can not produce jam by screening plant, screening percentage is high, and the cloth effect arranged, oversize enters fine crusher and is crushed to satisfactory particle diameter step by step, has guaranteed the granularity requirements after the material fragmentation.

The utility model is realized by adopting following technical proposals:

A kind of crushing and screening integral device, comprise frame, it is characterized in that: in frame, be respectively arranged with first order breaker, screening plant and second level breaker, described first order breaker comprises first order broken rotor and is used to sieve the sieve of broken back material, first order broken rotor and sieve form first order crusher chamber, described screening plant comprises a plurality of sieve rollers that are used for convey materials that are arranged side by side, the surface of a plurality of sieve rollers forms the compass screen surface that material is sieved, gap between any two rollers forms sieve aperture, the conveying arrival end of screening plant connects described sieve, and the conveying port of export of screening plant connects described second level breaker.

Described second level breaker comprises second level broken rotor, broken discaling roll and counterpunch board, described counterpunch board is positioned at the top of second level broken rotor, broken discaling roll is installed in a side of second level broken rotor, broken discaling roll is more than 2, be meshing with each other between each broken discaling roll, second level broken rotor, counterpunch board and crushing teeth roller form second level crusher chamber.

Described first order breaker is thick broken device, and second level breaker is thin broken device.

The annular surface of described sieve roller is provided with the sieve tooth, and the sieve backlash between any two sieve rollers forms sieve aperture.

Described compass screen surface is from that near end height of first order breaker outlet, from the near low inclined ramp shape of that end of second level breaker inlet.

Described sieve is made up of a plurality of gratings that are arranged in parallel, and the gap between the grating forms the sieve aperture of material.

Described sieve is a sieve-plate structure, and sieve plate is provided with sieve aperture.

Described sieve roller is sieve ring roller or screen drum roller.

On described first order broken rotor and second level broken rotor, be provided with the tup that impacts material.

Described counterpunch board is fixed on the frame through spring.

Described sieve is fixed on the frame through support.

Described broken discaling roll is replaced with grating.

Compared with prior art, the beneficial effects of the utility model show:

1, because the utility model adopts below first order breaker, be provided with screening plant, a plurality of sieve rollers rotate under the drive of rotating machinery in the same way, material is carried out forced conveyance, force screening, and has certain fragmentation, thereby can not produce jam, more excellent, the sieve roller is provided with the sieve tooth, any two gaps of sieve between the teeth form sieve aperture, and the material that meets granularity requirements is sifted out from sieve aperture, make to be sized material more unobstructed operation on compass screen surface, fall by mesh screen smoothly, it is broken in advance to utilize first order crusher chamber that material is carried out, and makes follow-up equipment when work the more even material that does not have bulk can be arranged, and can play good cloth effect simultaneously again.

2, the utility model adopts in screening and carries discharge port end that second level breaker is set, broken discaling roll is more than 2, conveniently the oversize that does not meet granularity requirements is carried out broken step by step, and, the material that meets granularity requirements sifts out from sieve aperture, alleviate the live load of second level breaker, prolonged the service life of second level breaker, reduced the broken phenomenon of mistake of material.

3, the utility model adopts a plurality of sieve rollers to drive rotation in the same way through tumbler, can alleviate the jam of material, and is especially all the more so when humidity of materials is big.

4, the utility model adopts " the broken discaling roll of sieve, the sieve roller of carrying the screening cloth, broken counterpunch board and conveying broken material " such system schema, can improve the whole ratio of reduction of equipment, by fragmentation step by step, prescreening, can effectively reduce the broken phenomenon of mistake of material, alleviate the live load of disintegrating apparatus, the broken discaling roll of active rotation can prevent the sticking stifled phenomenon in fine crushing chamber, adopt the crushing and screening integral device, simple in structure, equipment volume is little, it is convenient that maintenance is installed, and capital expenditure is little.

5, first order breaker is thick broken device, the carefully broken device of second level breaker, such set-up mode is more excellent, through thick broken, carry earlier by screening again for material, satisfactory material sieves away from sieve aperture, undesirable continuation is washed brokenly, thereby makes material be crushed to satisfactory particle diameter step by step, has guaranteed the granularity requirements after the material fragmentation.

6, the counterpunch board of the utility model setting is fixed on the frame through spring, and it is more excellent, counterpunch board is obliquely installed, like this, when second level broken rotor impacts material on the counterpunch board, because the effect of spring and the deadweight effect of material, the spring shake makes material be difficult for being bonded on the counterpunch board, thereby can not cause sticking blocking up, when material falls between broken discaling roll and the second level broken rotor, because the rotation of broken discaling roll, make material be forced to carry, and force screening, broken discaling roll is set to a plurality of, has so just increased the number of times that material is broken, reached broken step by step purpose, and material is transferred in fragmentation and sieves, thereby makes the more unobstructed operation of material, can not glue stifled.

Description of drawings

The utility model is described in further detail below in conjunction with specification drawings and specific embodiments, wherein:

Fig. 1 is a structural representation of the present utility model

Fig. 2 is the structural representation of embodiment 3

Mark among the figure:

1, the tup on the first order broken rotor, 2, first order broken rotor, 3, support, 4, grating, 5, the sieve roller, 6, frame, 7, the tup on the broken rotor of the second level, 8, second level broken rotor, 9, counterpunch board, 10, spring, 11, broken discaling roll.

The specific embodiment

Embodiment 1, the utility model discloses a kind of crushing and screening integral device, comprise frame, in frame, be respectively arranged with first order breaker, screening plant and second level breaker, described first order breaker comprises first order broken rotor and is used to sieve the sieve of broken back material, first order broken rotor and sieve form first order crusher chamber, described screening plant comprises a plurality of sieve rollers that are used for convey materials that are arranged side by side, the surface of a plurality of sieve rollers forms the compass screen surface that material is sieved, gap between any two rollers forms sieve aperture, the conveying arrival end of screening plant connects described sieve, and the conveying port of export of screening plant connects described second level breaker.

Embodiment 2

As the utility model one better embodiment, the utility model discloses a kind of crushing and screening integral device, comprise frame, be arranged on the thick broken rotor in the frame, below thick broken rotor, be provided with screening plant, one end of screening plant is communicated with the exit of thick broken rotor, the other end of screening plant discaling roll sieve is communicated with chamber in small, broken bits, described screening plant comprises a plurality of sieve rollers that are arranged side by side, the compass screen surface that the paired material of a plurality of sieve roll formings sieves, the sieve roller is provided with the sieve tooth, and the sieve backlash between any two sieve rollers forms sieve aperture, and compass screen surface is from that near end height of coarse crushing rotor outlet, from the low inclined ramp shape of that near end of rotor in small, broken bits.

Embodiment 3

As preferred forms of the present utility model, with reference to Figure of description 1 and 2, the utility model is provided with rotor in small, broken bits below discaling roll sieve discharging opening, and carefully broken device comprises rotor in small, broken bits, counterpunch board and a plurality of broken discaling roll (can replace broken discaling roll) by grating.Broken discaling roll is meshing with each other.The two ends of described sieve roll screen are provided with the power set by transmission.A plurality of sieve roll screens are through driving rotation in the same way.Described sieve tooth is evenly distributed on the sieve roller.Described thick broken device comprises the coarse crushing rotor, and the face relative with the coarse crushing rotor is provided with grating and the grating support of installing in the frame, and described coarse crushing rotor and grating form the material crusher chamber.All the other are with embodiment 2.

Claims

1. crushing and screening integral device, comprise frame, it is characterized in that: in frame, be respectively arranged with first order breaker, screening plant and second level breaker, described first order breaker comprises first order broken rotor and is used to sieve the sieve of broken back material, first order broken rotor and sieve form first order crusher chamber, described screening plant comprises a plurality of sieve rollers that are used for convey materials that are arranged side by side, the surface of a plurality of sieve rollers forms the compass screen surface that material is sieved, gap between any two rollers forms sieve aperture, the conveying arrival end of screening plant connects described sieve, and the conveying port of export of screening plant connects described second level breaker.

2. crushing and screening integral device according to claim 1, it is characterized in that: described second level breaker comprises second level broken rotor, broken discaling roll and counterpunch board, described counterpunch board is positioned at the top of second level broken rotor, broken discaling roll is installed in a side of second level broken rotor, broken discaling roll is more than 2, is meshing with each other between each broken discaling roll, and second level broken rotor, counterpunch board and crushing teeth roller form second level crusher chamber.

3. crushing and screening integral device according to claim 2 is characterized in that: described counterpunch board is fixed on the frame through spring.

4. crushing and screening integral device according to claim 1 and 2 is characterized in that: described first order breaker is thick broken device, and second level breaker is thin broken device.

5. crushing and screening integral device according to claim 1 and 2 is characterized in that: the annular surface of described sieve roller is provided with the sieve tooth, and the sieve backlash between any two sieve rollers forms sieve aperture.

6. crushing and screening integral device according to claim 1 and 2 is characterized in that: described compass screen surface is from that near end height of first order breaker outlet, from the near low inclined ramp shape of that end of second level breaker inlet.

7. crushing and screening integral device according to claim 1 and 2 is characterized in that: described sieve is made up of a plurality of gratings that are arranged in parallel, and the gap between the grating forms the sieve aperture of material.

8. crushing and screening integral device according to claim 1 and 2 is characterized in that: described sieve is a sieve-plate structure, and sieve plate is provided with sieve aperture.

9. crushing and screening integral device according to claim 1 and 2 is characterized in that: described sieve roller is sieve ring roller or screen drum roller.

10. crushing and screening integral device according to claim 1 and 2 is characterized in that: described broken discaling roll is replaced with grating.