CN105413794A - Coarse and fine crushing integrated type middling coal wet crushing machine - Google Patents
Coarse and fine crushing integrated type middling coal wet crushing machine Download PDFInfo
- Publication number
- CN105413794A CN105413794A CN201510709733.7A CN201510709733A CN105413794A CN 105413794 A CN105413794 A CN 105413794A CN 201510709733 A CN201510709733 A CN 201510709733A CN 105413794 A CN105413794 A CN 105413794A
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- crushing
- crushing chamber
- chamber
- coal
- coarse
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
- B02C4/305—Wear resistant rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/40—Detachers, e.g. scrapers
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
A coarse and fine crushing integrated type middling coal wet crushing machine is especially suitable for crushing and dissociating high-water-content middling coal obtained after gravity separation and medium draining in a coal preparation plant. The coarse and fine crushing integrated type middling coal wet crushing machine comprises a feed hopper, a first crushing chamber, a second crushing chamber and a discharge hopper. The first crushing chamber is located above the second crushing chamber and communicated with the second crushing chamber. Blade type crushing rollers are arranged in the first crushing chamber and used for coarsely crushing the middling coal, and groove type crushing rollers are arranged in the second crushing chamber and used for finely crushing the coarsely crushed middling coal. Anti-blocking flushing water pipes are arranged on the lower side inner wall of the first crushing chamber and the lower side inner wall of the second crushing chamber respectively. The coarse and fine crushing integrated type middling coal wet crushing machine is simple in structure, coarse crushing and fine crushing of the high-water-content middling coal are achieved in the same machine, and blocking is unlikely to occur; the upper limit of particle sizes of crushed products is low, the particle sizes of the products are uniform, and the frequency of excessive crushing phenomena is low; no dust is generated during crushing, and secondary separation in gravity separation of the middling coal after crushing and dissociation is facilitated.
Description
Technical field
The present invention relates to coal wet crushing machine in the broken integral type of a kind of thickness, after being particularly useful for coal preparation plant's gravity treatment de-mediated, in High water cut part, the fragmentation of coal is dissociated.
Background technology
At present, in Oversized Coking Coal Cleaning Plant gravity treatment, the secondary sorting of coal is more and more paid close attention to, and in gravity treatment, coal can obtain the coking coal cleans of about 20% by sorting again after fragmentation is dissociated.But, want to sub-elect cleaned coal in coal from gravity treatment, first coal fragmentation in the bulk of High water cut part (maximum particle size 50mm ~ 100mm) gravity treatment must be dissociated to about 2mm.Existing industrial disintegrating apparatus, as jaw crusher, hammer mill, impact breaker, toothed roll crusher etc., be mainly used in the coal cinder of broken low moisture content, its particle size after cracking upper limit is generally at more than 13mm, as coal fragmentation in bulk (maximum particle size 50mm ~ 100mm) gravity treatment of High water cut part dissociated to about 2mm with above-mentioned disintegrating apparatus, all there is device processes ability low, crusher chamber easily blocks, product crosses pulverizing and the problem such as crushing efficiency is low, even if toothed roll crusher is widely used in coal preparation plant, but be also difficult to be designed coal crusher to about 2mm by rational flute profile.Although coal preparation plant utilizes the report of coal in the broken gravity treatment of impact breaker to have document to mention, eventually because its crusher chamber easily blocks, often there is the problems such as parking, and fail to be applied for a long time.Therefore, must develop and specially carry out for coal in bulk (maximum particle size 50mm ~ 100mm) gravity treatment of High water cut part the disintegrating apparatus that fragmentation dissociates, solve existing disintegrating apparatus Problems existing, in Oversized Coking Coal Cleaning Plant gravity treatment, the secondary sorting of coal provides technical guarantee.
Summary of the invention
Technical problem: the weak point that the present invention be directed to above-mentioned technology, there is provided a kind of shattering process reasonable, compact conformation, not easily block, the crushed product size upper limit is low, and product granularity is even, crosses crushing phenomenon few, shattering process, without dust, can carry out to coal in High water cut part after coal preparation plant's gravity treatment de-mediated the disintegrating apparatus that wet crushing dissociates.
Technical scheme: for realizing above-mentioned technical purpose, coal wet crushing machine in the broken integral type of thickness of the present invention, comprise body fuselage, body fuselage top is provided with feed hopper, support is provided with bottom body fuselage, body fuselage inside comprises the first crushing chamber being located at top and the second crushing chamber be located at below the first crushing chamber, is provided with the first aggregate bin between the first crushing chamber and the second crushing chamber; Wherein the first crushing chamber is positioned at below feed hopper, two groups of ring-like first breaker rolls of cutter are provided with in first crushing chamber, the gap of two group of first breaker roll is between 10mm ~ 13mm, first breaker roll comprises the first smooth roller, first smooth roller is provided with some crushing cutter rings, crushing cutter ring inwall and the first smooth roll drum outer wall are equipped with fluted body keyway and are connected and fixed by key, the broken direction of crushing cutter ring is axially vertical with the first breaker roll, and the first aggregate bin below the first crushing chamber and body fuselage inwall weld are provided with the first wash tub pipe; Described second crushing chamber inside is provided with two groups of groove-shaped second breaker rolls, the gap of two group of second breaker roll is between 2mm ~ 3mm, the second aggregate bin is provided with below second crushing chamber, second aggregate bin and body fuselage inwall weld are provided with the second wash tub pipe, the second described breaker roll surface is provided with some grooves, groove is that the high-abrasive material of the second smooth roller surface overlaying is formed, and groove direction is axially parallel with the second breaker roll.
Described crushing cutter ring is provided with the square crushing cutter of some flat, and crushing cutter height is between 10mm ~ 20mm, and crushing cutter edge is provided with broken sword; The height of the described second smooth roller surface overlaying high-abrasive material is 0.5mm ~ 1mm.
Beneficial effect: the design in body fuselage on have the first crushing chamber and the second crushing chamber, twice wet crushing is achieved at a disintegrating apparatus, first crushing chamber adopts blade type breaker roll, it is main coarse crushing that centering coal carries out shearing with extruding force, coal particle size is made to be down to below 13mm, and make coal surface in bulky grain form selective crackle, second crushing chamber adopts groove-shaped built-up welding roll surface, carry out rubbing with the hands that to roll be main in small, broken bits to coal in after coarse crushing, coal particle size middle after coarse crushing is down to below 3mm, in crushing chamber, is equipped with anti-block flushing water device; Compared with conventional disintegrating apparatus, this apparatus structure is simple, not easily block, the crushed product size upper limit is low, product granularity is even, cross crushing phenomenon few, efficiently solve that existing disintegrating apparatus easily blocks, product crosses the large problem of serious, the broken dust of crushing phenomenon, be conducive to fragmentation dissociate after the secondary sorting of coal in gravity treatment.
Accompanying drawing explanation
Fig. 1 is crusher structure schematic diagram of the present invention.
Fig. 2 is the first breaker roll structural representation of the present invention.
Fig. 3 is the second breaker roll structural representation of the present invention.
In figure: 1-feed hopper, 2-body fuselage, 3-first crushing chamber, 4-second crushing chamber, 5-support, 6-first breaker roll, 7-first aggregate bin, 8-first wash tub pipe, 9-second breaker roll, 10-second aggregate bin, 11-second wash tub pipe, 12-crushing cutter ring, the smooth roller of 13-first, 14-keyway, 15-crushing cutter, 16-groove, the smooth roller of 17-second, 18-high-abrasive material.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail:
As shown in Figure 1, coal wet crushing machine in the broken integral type of a kind of thickness of the present invention, it comprises body fuselage 2, body fuselage 2 top is provided with feed hopper 1, support 5 is provided with bottom body fuselage 2, body fuselage 2 inside comprises the first crushing chamber 3 being located at top and is provided with the first aggregate bin 7 with between the second crushing chamber 4, first crushing chamber 3 be located at below the first crushing chamber 3 and the second crushing chamber 4, wherein the first crushing chamber 3 is positioned at below feed hopper 1, two groups of ring-like first breaker rolls 6 of cutter are provided with in first crushing chamber 3, the gap of two group of first breaker roll 6 is between 10mm ~ 13mm, first breaker roll 6 comprises the first smooth roller 13, first smooth roller 13 is provided with some crushing cutter rings 12, crushing cutter ring 12 inwall and the first smooth roller 13 outer wall are equipped with fluted body keyway 14 and are connected and fixed by key, the broken direction of crushing cutter ring 12 is axially vertical with the first breaker roll 6, the first aggregate bin 7 below first crushing chamber 3 is provided with the first wash tub pipe 8 with body fuselage 2 inwall weld, described second crushing chamber 4 inside is provided with two groups of groove-shaped second breaker rolls 9, the gap of two group of second breaker roll 9 is between 2mm ~ 3mm, the second aggregate bin 10 is provided with below second crushing chamber 4, second aggregate bin 10 is provided with the second wash tub pipe 11 with body fuselage 2 inwall weld, the second described breaker roll 9 surface is provided with some grooves 16, groove 16 is that the high-abrasive material 18 of the second smooth roller 17 surface overlaying is formed, and groove 16 direction is axially parallel with the second breaker roll 9.
As shown in Figure 2, first breaker roll 6 is made up of some crushing cutter rings 12 and the first smooth roller 13, crushing cutter ring 12 inwall and the first smooth roller 13 outer wall are equipped with fluted body keyway 14 and are connected and fixed by key, and the broken direction of crushing cutter ring 12 is axially vertical with the first breaker roll 6; Crushing cutter ring 12 is provided with the square crushing cutter 15 of some flat, and crushing cutter 15 height is between 10mm ~ 20mm, and crushing cutter edge is provided with broken sword.
As shown in Figure 3, the second breaker roll 9 surface is made up of some grooves 16, and groove 16 is by being formed at the second smooth roller 17 surface overlaying high-abrasive material 18, and groove 16 direction is axially parallel with the second breaker roll 9; The height of the second smooth roller 17 surface overlaying high-abrasive material 18 is 0.5mm ~ 1mm.
Shattering process of the present invention is as follows:
During actual use, first the first wash tub pipe 8 and the second wash tub pipe 11 is opened, broken material is needed to feed in the first crushing chamber 3 through feed hopper 1, shear at two groups of first breaker rolls 6 operated in opposite directions and be able to fragmentation under squeezing action, material after first time fragmentation is fallen in the second crushing chamber 4 through the first aggregate bin 7, continue to be broken under two groups of second breaker rolls 9 strandings operated in opposite directions roll effect, the material after fragmentation is discharged outside body through the second aggregate bin 10.
Claims (3)
1. coal wet crushing machine in the broken integral type of thickness, comprise body fuselage (2), body fuselage (2) top is provided with feed hopper (1), body fuselage (2) bottom is provided with support (5), it is characterized in that: body fuselage (2) inside comprises the first crushing chamber (3) being located at top and the second crushing chamber (4) being located at the first crushing chamber (3) below, is provided with the first aggregate bin (7) between the first crushing chamber (3) and the second crushing chamber (4), wherein the first crushing chamber (3) is positioned at feed hopper (1) below, two groups of ring-like first breaker rolls (6) of cutter are provided with in first crushing chamber (3), the gap of two group of first breaker roll (6) is between 10mm ~ 13mm, first breaker roll (6) comprises the first smooth roller (13), first smooth roller (13) is provided with some crushing cutter rings (12), crushing cutter ring (12) inwall and the first smooth roller (13) outer wall are equipped with fluted body keyway (14) and are connected and fixed by key, the broken direction of crushing cutter ring (12) is axially vertical with the first breaker roll (6), first aggregate bin (7) of the first crushing chamber (3) below is provided with the first wash tub pipe (8) with body fuselage (2) inwall weld, described second crushing chamber (4) inside is provided with two groups of groove-shaped second breaker rolls (9), the gap of two group of second breaker roll (9) is between 2mm ~ 3mm, second crushing chamber (4) below is provided with the second aggregate bin (10), second aggregate bin (10) and body fuselage (2) inwall weld are provided with the second wash tub pipe (11), described the second breaker roll (9) surface is provided with some grooves (16), groove (16) is that the high-abrasive material (18) of the second smooth roller (17) surface overlaying is formed, and groove (16) direction is axially parallel with the second breaker roll (9).
2. coal wet crushing machine in the broken integral type of thickness according to claim 1, it is characterized in that: described crushing cutter ring (12) is provided with the square crushing cutter of some flat (15), crushing cutter (15) height is between 10mm ~ 20mm, and crushing cutter edge is provided with broken sword.
3. coal wet crushing machine in the broken integral type of thickness according to claim 1, is characterized in that: the height of the described second smooth roller (17) surface overlaying high-abrasive material (18) is 0.5mm ~ 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510709733.7A CN105413794B (en) | 2015-10-28 | 2015-10-28 | Coal wet crushing machine in a kind of broken integral type of thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510709733.7A CN105413794B (en) | 2015-10-28 | 2015-10-28 | Coal wet crushing machine in a kind of broken integral type of thickness |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105413794A true CN105413794A (en) | 2016-03-23 |
| CN105413794B CN105413794B (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510709733.7A Active CN105413794B (en) | 2015-10-28 | 2015-10-28 | Coal wet crushing machine in a kind of broken integral type of thickness |
Country Status (1)
| Country | Link |
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| CN (1) | CN105413794B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563523A (en) * | 2016-10-30 | 2017-04-19 | 华北理工大学 | Two-stage crushing and screening roller type crusher |
| CN106607121A (en) * | 2016-12-06 | 2017-05-03 | 东阿阿胶股份有限公司 | Two-stage pulverizing mechanism of colla corii asini pulverizer |
| CN107876179A (en) * | 2017-11-17 | 2018-04-06 | 蚌埠市代双莲藕种植专业合作社 | A kind of corn processing device |
| CN108325600A (en) * | 2017-12-26 | 2018-07-27 | 共同科技开发有限公司 | A kind of construction site roller shaft type waste material breaker |
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| CN203778126U (en) * | 2014-04-29 | 2014-08-20 | 刘荆宇 | Multilevel screening integrated two-passage separation tooth-roller crusher |
| CN104128224A (en) * | 2014-07-10 | 2014-11-05 | 太原重工股份有限公司 | Double-geared roller crusher and gear ring assembly thereof |
| CN104525310A (en) * | 2014-12-30 | 2015-04-22 | 安徽海螺川崎装备制造有限公司 | Crushing roller |
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2015
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1244390A (en) * | 1969-08-06 | 1971-09-02 | J M J Ind Inc | Crushing and sizing rolls |
| US4840315A (en) * | 1987-06-10 | 1989-06-20 | Klockner-Humboldt-Deutz Aktiengesellschaft | Method and installation for a continuous pressure communution of brittle grinding stock |
| JP2001347174A (en) * | 2000-06-07 | 2001-12-18 | Ebara Corp | Method and device for crushing/molding clayey material |
| CN202137029U (en) * | 2011-06-16 | 2012-02-08 | 江油黄龙破碎输送设备制造有限公司 | Compound crusher |
| CN202700563U (en) * | 2012-08-24 | 2013-01-30 | 广西南宁东创通用机械设备工程有限公司 | Screening four-tooth roller crushing integrated machine |
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| CN203778126U (en) * | 2014-04-29 | 2014-08-20 | 刘荆宇 | Multilevel screening integrated two-passage separation tooth-roller crusher |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563523A (en) * | 2016-10-30 | 2017-04-19 | 华北理工大学 | Two-stage crushing and screening roller type crusher |
| CN106607121A (en) * | 2016-12-06 | 2017-05-03 | 东阿阿胶股份有限公司 | Two-stage pulverizing mechanism of colla corii asini pulverizer |
| CN107876179A (en) * | 2017-11-17 | 2018-04-06 | 蚌埠市代双莲藕种植专业合作社 | A kind of corn processing device |
| CN108325600A (en) * | 2017-12-26 | 2018-07-27 | 共同科技开发有限公司 | A kind of construction site roller shaft type waste material breaker |
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| Publication number | Publication date |
|---|---|
| CN105413794B (en) | 2018-01-05 |
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Address after: 221116 Research Institute of China University of Mining and Technology,, Jiangsu Applicant after: China University of Mining & Technology Address before: 221116 Research Institute, China University of Mining and Technology, Xuzhou University, Jiangsu, China, Applicant before: China University of Mining & Technology |
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