CN202460789U - Two-stage coal crushing system - Google Patents
Two-stage coal crushing system Download PDFInfo
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- CN202460789U CN202460789U CN2012200182612U CN201220018261U CN202460789U CN 202460789 U CN202460789 U CN 202460789U CN 2012200182612 U CN2012200182612 U CN 2012200182612U CN 201220018261 U CN201220018261 U CN 201220018261U CN 202460789 U CN202460789 U CN 202460789U
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- coal
- crusher
- disintegrating machine
- fine crusher
- broken coal
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Abstract
The utility model relates to the technical field of papermaking fire coal treatment, in particular to two-stage coal crushing system which structurally comprises a feeding device, a crusher, a fine crushing machine and control system. A material delivery port of the feed device is connected with a feed port of the crusher, a discharging port of the crusher is connected with a feed port of the fine crushing machine, a discharging port of the fine crushing machine is connected with a coal feed port of a boiler, and the control system is respectively and electrically connected with the feeding device, the crusher and the fine crushing machine. The two-stage coal crushing system uses two stages of crushers to crush coal, fire coal is firstly crushed by a primary crusher, the particle size is below 30mm, then the fire coal is crushed by a secondary crusher, and the particle size is below 12mm. Thus, coal crushing efficiency is effectively improved, the requirements for the particle size of boiler coal are met, and efficiency of the boiler is further improved.
Description
Technical field
The utility model relates to the fuel technology field of paper grade (stock), the concrete secondary broken coal system that relates to.
Background technology
Disintegrating machine is a kind ofly to be used for broken coal charge, and makes the effect of broken coal can effectively reach the equipment of the user demand of boiler.The coal charge fragmentation is divided into two processes: the one, and coal charge gets into crusher chamber from charging aperture, at first receives ring hammering blow and the fragmentation of the multi-row staggered installation of high rotation; The 2nd, drop on the first broken coal material of sieve on the anchor ring and further receive the extruding of ring hammer, roll and grind and mill; Receive the extruding between the sieve ring simultaneously; Finally make to reach the broken coal charge that requires from the space discharge between the sieve ring, and the coal charge that can not be broken on a small quantity, like foreign material and big coal cinders such as iron blocks; Effect through ring hammer and sieve ring pushes it in broom closet, regularly removes.
In the prior art, the broken coal process adopts the one-level disintegrating machine mostly, and its crushing efficiency is low, causes accumulation, the obstruction of coal charge easily, and the coal charge behind the broken coal can not reach qualified broken coal particle diameter effectively and exert oneself, and has influence on the coal supply operation of boiler.
Therefore, to deficiency of the prior art, need the secondary broken coal system that a kind of crushing effect is good, exert oneself stable, that production efficiency is high that provides badly.
Summary of the invention
The purpose of the utility model is to avoid weak point of the prior art and the secondary broken coal system that a kind of crushing effect is good, exert oneself stable, that production efficiency is high is provided.
The purpose of the utility model realizes through following technical scheme:
A kind of secondary broken coal system is provided; Include charging gear, disintegrating machine, fine crusher and control system; The feeding port of said charging gear is connected with the charging aperture of said disintegrating machine, and the discharging opening of said disintegrating machine is connected with the charging aperture of said fine crusher, and the discharging opening of said fine crusher is connected with the coal feed point of boiler; Said control system respectively with said charging gear, said disintegrating machine, and said fine crusher is electrically connected.
Wherein, said fine crusher includes body, is arranged at the crushing chamber in the body and is arranged at the rotor in the said crushing chamber, and the circumferential surface of said rotor is provided with broken wheel, and the surface of said crushing chamber is provided with the sieve cage.
Wherein, said broken wheel is arranged at the eccentric hammer of the circumferential surface of said rotor.
Wherein, the charging aperture of said fine crusher and the junction of said crushing chamber are provided with Hubei Province plate, and the direction of said Hubei Province plate setting is the tangential of said rotor.
Wherein, be provided with vibratory sieve between said disintegrating machine and the said fine crusher, the input of said vibratory sieve is connected with the discharging opening of said disintegrating machine, and the output of said vibratory sieve is connected with the charging aperture of said fine crusher.
Wherein, the aperture of the sieve aperture of said vibratory sieve is 7～10mm.
Wherein, said disintegrating machine is a ring hammer crusher.
The beneficial effect of the utility model:
The secondary broken coal system of the utility model; Include charging gear, disintegrating machine, fine crusher and control system; The feeding port of charging gear is connected with the charging aperture of disintegrating machine, and the discharging opening of disintegrating machine is connected with the charging aperture of fine crusher, and the discharging opening of fine crusher is connected with the coal feed point of boiler; The control system respectively with charging gear, disintegrating machine, and fine crusher is electrically connected.The secondary broken coal system of the utility model adopts the two stage crusher broken coal; Coal-fired is below the 30mm through one-level crusher in crushing to particle diameter earlier; Being crushed to particle diameter through the secondary fine crusher again is below the 10mm, has guaranteed the particle diameter requirement of broken coal, thereby has effectively improved broken coal efficient; To reach the particle diameter requirement of steam coal, further improved the efficient of boiler.
Description of drawings
Fig. 1 is the flow chart of the secondary broken coal system implementation example 1 of the utility model.
Fig. 2 is the structural representation of fine crusher of the secondary broken coal system implementation example 2 of the utility model.
Include among Fig. 1 and Fig. 2:
Disintegrating machine 2;
Vibratory sieve 4;
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but the embodiment of the utility model is not limited thereto.
The secondary broken coal system implementation example 1 of the utility model; As depicted in figs. 1 and 2, include charging gear 1, disintegrating machine 2, fine crusher 3 and control system, the feeding port of charging gear 1 is connected with 2 charging apertures of disintegrating machine; The discharging opening of disintegrating machine 2 is connected with the charging aperture of fine crusher 3; The discharging opening of fine crusher 3 is connected with the coal feed point of boiler 5, the control system respectively with charging gear 1, disintegrating machine 2, and fine crusher 3 is electrically connected.
Concrete, the control system adopts central DCS tele-control system, to realize the automation control of whole secondary broken coal system.
Concrete, disintegrating machine 2 be a ring hammer crusher, and the particle diameter of the rough coal slag that fire coal carries out through disintegrating machine 2 obtaining after the one-level fragmentation is below the 30mm.
The secondary broken coal system of the utility model adopts the two stage crusher broken coal; It is below the 30mm that coal-fired elder generation is crushed to particle diameter through one-level disintegrating machine 2; Being crushed to particle diameter through secondary fine crusher 3 again is below the 10mm, has guaranteed the particle diameter requirement of broken coal, thereby has effectively improved broken coal efficient; To reach the particle diameter requirement of steam coal, further improved the efficient of boiler 5.
The secondary broken coal system implementation example 2 of the utility model is participated in Fig. 2, and the main technical schemes of present embodiment is identical with embodiment 1, and difference is:
Broken wheel is arranged at the eccentric hammer 35 of the circumferential surface of rotor 33, through the rotation of rotor 33, rotates thereby drive broken wheel.
Concrete, fine crusher charging aperture 36 is provided with Hubei Province plate 37 with the junction of crushing chamber 32, and Hubei Province plate 37 adopts surface plate, and the direction that Hubei Province plate 37 is provided with is the tangential of rotor 33, can solve the problem of crushing chamber 32 end difficult feed thus.
Its operation principle is following:
The secondary broken coal system implementation example 3 of the utility model, referring to Fig. 1, the main technical schemes of present embodiment is identical with embodiment 2, and difference is:
Be provided with vibratory sieve 4 between disintegrating machine 2 and the fine crusher 3, the input of vibratory sieve 4 is connected with the discharging opening of disintegrating machine 2, and the output of vibratory sieve 4 is connected with the charging aperture 36 of fine crusher 3.
Concrete, the aperture of the sieve aperture of vibratory sieve 4 is 7～10mm, meets the requirement of boiler 5 burnings with the size of the cinder that guarantees behind disintegrating machine 2 one-level broken coals, to obtain.
Increase before vibratory sieve 4 at the rough coal slag through the step that fine crusher 3 carries out the secondary broken coal; Can be earlier with after passing through disintegrating machine 2 one-level fragmentations; The satisfactory cinder Direct Filtration of particle diameter is delivered to boiler 5; And need not to carry out again the step of secondary broken coal, thus effectively improve broken coal efficient, help practicing thrift cost.
Should be noted that at last; Above embodiment is only in order to explain the technical scheme of the utility model; But not to the restriction of the utility model protection domain, although with reference to preferred embodiment the utility model has been done explanation at length, those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement the technical scheme of the utility model, and not break away from the essence and the scope of the utility model technical scheme.
Claims (7)
1. secondary broken coal system; It is characterized in that: include charging gear, disintegrating machine, fine crusher and control system; The feeding port of said charging gear is connected with the charging aperture of said disintegrating machine, and the discharging opening of said disintegrating machine is connected with the charging aperture of said fine crusher, and the discharging opening of said fine crusher is connected with the coal feed point of boiler; Said control system respectively with said charging gear, said disintegrating machine, and said fine crusher is electrically connected.
2. secondary broken coal according to claim 1 system; It is characterized in that: said fine crusher includes body, is arranged at the crushing chamber in the body and is arranged at the rotor in the said crushing chamber; The circumferential surface of said rotor is provided with broken wheel, and the surface of said crushing chamber is provided with the sieve cage.
3. secondary broken coal according to claim 2 system is characterized in that: said broken wheel is arranged at the eccentric hammer of the circumferential surface of said rotor.
4. secondary broken coal according to claim 2 system, it is characterized in that: the charging aperture of said fine crusher and the junction of said crushing chamber are provided with Hubei Province plate, and the direction of said Hubei Province plate setting is the tangential of said rotor.
5. secondary broken coal according to claim 1 system; It is characterized in that: be provided with vibratory sieve between said disintegrating machine and the said fine crusher; The input of said vibratory sieve is connected with the discharging opening of said disintegrating machine, and the output of said vibratory sieve is connected with the charging aperture of said fine crusher.
6. secondary broken coal according to claim 5 system, it is characterized in that: the aperture of the sieve aperture of said vibratory sieve is 7～10mm.
7. secondary broken coal according to claim 1 system, it is characterized in that: said disintegrating machine is a ring hammer crusher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200182612U CN202460789U (en) | 2012-01-16 | 2012-01-16 | Two-stage coal crushing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200182612U CN202460789U (en) | 2012-01-16 | 2012-01-16 | Two-stage coal crushing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202460789U true CN202460789U (en) | 2012-10-03 |
Family
ID=46908989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200182612U Expired - Lifetime CN202460789U (en) | 2012-01-16 | 2012-01-16 | Two-stage coal crushing system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202460789U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941140A (en) * | 2012-12-07 | 2013-02-27 | 江苏中鹏新材料股份有限公司 | Granularity sorting method for epoxy molding compound powder material |
| CN103292341A (en) * | 2013-05-30 | 2013-09-11 | 太原钢铁(集团)有限公司 | Smashing, screening and circulating coal feeding system |
| CN103551238A (en) * | 2013-10-31 | 2014-02-05 | 神华集团有限责任公司 | Enrichment method of coal micromaceral |
| CN105195253A (en) * | 2015-08-31 | 2015-12-30 | 太仓英达锅炉设备有限公司 | Coal briquette crashing device used for boiler |
-
2012
- 2012-01-16 CN CN2012200182612U patent/CN202460789U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941140A (en) * | 2012-12-07 | 2013-02-27 | 江苏中鹏新材料股份有限公司 | Granularity sorting method for epoxy molding compound powder material |
| CN102941140B (en) * | 2012-12-07 | 2015-11-18 | 江苏中鹏新材料股份有限公司 | A kind of epoxy molding plastic powder particles method for separating |
| CN103292341A (en) * | 2013-05-30 | 2013-09-11 | 太原钢铁(集团)有限公司 | Smashing, screening and circulating coal feeding system |
| CN103551238A (en) * | 2013-10-31 | 2014-02-05 | 神华集团有限责任公司 | Enrichment method of coal micromaceral |
| CN103551238B (en) * | 2013-10-31 | 2016-08-24 | 神华集团有限责任公司 | The enrichment method of coal macerals |
| CN105195253A (en) * | 2015-08-31 | 2015-12-30 | 太仓英达锅炉设备有限公司 | Coal briquette crashing device used for boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |