CN201940266U - Fine coal crusher - Google Patents
Fine coal crusher Download PDFInfo
- Publication number
- CN201940266U CN201940266U CN 201020685203 CN201020685203U CN201940266U CN 201940266 U CN201940266 U CN 201940266U CN 201020685203 CN201020685203 CN 201020685203 CN 201020685203 U CN201020685203 U CN 201020685203U CN 201940266 U CN201940266 U CN 201940266U
- Authority
- CN
- China
- Prior art keywords
- tup
- coal
- bolt plate
- rotor assembly
- main shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a fine coal crusher, which comprises a spindle and rotor assemblies, wherein each rotor assembly sleeved on the spindle includes a bolt plate, a hammer arm and a hammer head. The fine coal crusher is characterized in that at least three rotor assemblies are parallelly sleeved on the spindle. By the aid of the additionally arranged rotor assembly structure, the fine coal crusher effectively solves the problems of poor crushed coal granularity evenness, low crushing efficiency and rapid abrasion of hammer heads, and has the advantages of evenness in crushed coal granularity, high crushing efficiency and difficulty in abrasion of the hammer heads.
Description
Technical field
The utility model relates to the thermo-power station boiler oil and prepares apparatus field, relates in particular to a kind of coal fine crusher.
Background technology
Boiler oil prepares in the equipment link, and of paramount importance is exactly the coal crushing system, and it is divided into coarse crushing and fine crushing.Disintegrating machine mainly is divided into by the difference of its operation principle: hammer mill, jaw crusher, impact breaker, gyratory crusher.The central hammer mill that belongs to has advantageous high-quality at the coal crushing production field.Such as, on the low side when the coal hardness of needs fragmentation, and the build of coal itself is not very big, uses hammer mill just to can't be better in this case.It is bigger that jaw crusher is suitable for feed size, the coal crushing that the coal hardness ratio is higher, and that impact breaker is suitable for coal hardness is bigger, the recursher that feed size is less than normal, gyratory crusher belongs to energy-saving disintegrating machine, have identical characteristic with the disintegrating machine of reaction type, hammer mill has just in time satisfied the unappeasable blank of other disintegrating machine in the field of cracking machine.
The main working parts of hammer mill is the rotor that has tup.Rotor is made up of main shaft, disk, bearing pin and tup.The motor drives rotor is rotation at a high speed in crusher chamber.Material feeds in the machine from the top material inlet, is subjected to the strike, impact, shearing, abrasive action of the tup of high-speed motion and pulverizes.In the rotor bottom, be provided with in sieve plate, the comminuting matter grade and discharge by sieve plate less than screen size, on sieve plate, continue to be subjected to the strike and the grinding of tup greater than the coarse fraction detention of screen size, at last by outside the sieve plate discharge machine.Hammer mill also has the place of a lot of deficiencies.Reasons such as hammer mill is owing to the lubricating grease deficiency, and lubricating grease is too much, and the lubricating grease filth is rotten often cause bearing running hot, cause damage of bearings; Because the tup wearing and tearing are excessive, the reason of grating fracture causes the excessive problem of discharging-material size; Because the grating slit is blocked, reinforced inhomogeneous, cause significantly reducing of output.Because bearing pin is loosening, the wearing and tearing of elastic ring cause elastic coupling to produce abnormal sound.Based on above various reasons, it is poor just to make that broken coal particle size uniformity appears in hammer mill, and crushing efficiency is low, tup quick abrasion, energy consumption height, maintenance cost height, the problem that maintenance load is big.
Hammer type fine crusher is by the Motor Drive rotor, rotor drives the rotation of epitrochanterian hammer plate hight speed, material enters the high-speed impact of being hammered into shape plate after the crusher chamber and is pulverized, and the finished product material is by outside the hammer type fine crusher lower end grating discharge machine, and discharging-material size can be adjusted by regulating the grating gap.
Publication number is CN2688383, open day discloses a kind of single hop fine crusher for the Chinese patent literature of 2005.03.30, comprise housing, the rotor that is located at drive tup in the crusher chamber, the counterattack grate plate that is arranged on the interior upward rear portion of crusher chamber that has feeding mouth, the arc grate plate that is arranged on the tup place, be provided with intermediate bracket in crusher chamber, tup is arranged in the gap of intermediate bracket.Though this patent more traditional hammer type fine crusher on energy consumption decreases,, still exist broken coal particle size uniformity poor, crushing efficiency is low, the problem of tup quick abrasion.Wherein broken coal particle size uniformity difference is mainly reflected in the tup negligible amounts and tup is unreasonable at epitrochanterian distributed architecture, and coal can not repeatedly be knocked by tup uniformly.Crushing efficiency is low to be mainly reflected in the tup negligible amounts, and the number of times that knocks coal in the unit interval is less.And the tup quick abrasion is mainly reflected in the tup negligible amounts, and the tup diameter is bigger, and the number of times that tup contacts with coal in the unit interval is more and contact-making surface is bigger.
Summary of the invention
It is poor that the utility model is intended at the broken coal particle size uniformity of existing fine crusher, and crushing efficiency is low, and the problem of tup quick abrasion provides a kind of coal fine crusher that is applicable to the preparation of thermo-power station boiler oil.The utility model is set up the rotor assembly structure, and it is poor to efficiently solve broken coal particle size uniformity, and crushing efficiency is low, and the problem of tup quick abrasion has broken coal epigranular, crushing efficiency height, the nonabradable characteristics of tup.
In order to realize the foregoing invention purpose, the technical solution adopted in the utility model is:
The coal fine crusher comprises main shaft, is enclosed within the rotor assembly on the main shaft, and rotor assembly comprises bolt plate, hammerhead jib and tup, it is characterized in that: be with 3 rotor assemblies on main shaft at least side by side.
Described bolt plate is 3-15.
Connect through positioning sleeve between the bolt plate of described each adjacent rotor assembly.
Described bolt plate two sides all are equipped with hammerhead jib, and the hammerhead jib position of two sides is corresponding to be arranged.
Described tup diameter is 30-60mm.
Described bolt plate thickness is 18-35mm.
During use, open motor, motor rotates the main shaft that drives shaft coupling and rotates, the rotor assembly that is enclosed within on the main shaft begins to rotate, be that the bolt plate rotates the rotation of drive hammerhead jib, thereby driving tup rotates, coal enters crusher chamber from charging aperture, coal contacts with tup, and tup smashes coal, and the coal that is crashed to pieces is beaten on the crushing shell modular assembly, the tup that bounce-back returns to be rotated once more smashes, because be with 3 rotor assemblies at least side by side on the main shaft, promptly the bolt plate is at least 3, can broken more coal in the unit interval, the bolt plate is many, the small size tup is also corresponding to be increased, and coal is repeatedly knocked by the small size tup in the unit interval, has improved the percentage of damage and the coal crushing uniformity of coal.Bolt plate two sides all are provided with hammerhead jib, and the corresponding layout in the hammerhead jib position of two sides, have further improved the coal crushing uniformity.The small size tup increases, and single small size tup and coal frequency of exposure are less in the unit interval, and contact-making surface is less, so reduced the wearing and tearing of tup.
The beneficial effects of the utility model mainly show the following aspects:
One, on main shaft, is with 3 rotor assemblies at least side by side, promptly have 3 bolt plates at least, can broken more coal in unit interval, the bolt plate is many, the small size tup is also corresponding to be increased, coal is repeatedly knocked by the small size tup in unit interval, has improved the percentage of damage and the coal crushing uniformity of coal.
Two, difference pin joint hammerhead jib on bolt plate two sides, the hammerhead jib position of two sides is corresponding to be arranged.Hammerhead jib termination key connects tup, owing on the bolt plate two sides hammerhead jib is set all, and corresponding layout, coal drops on same position and will be knocked twice like this, so strengthened the crushing efficiency of coal.Coal can repeatedly be knocked by tup uniformly, has also improved the uniformity of coal granularity.
Three, rotor assembly increases, compared to a rotor assembly, its corresponding tup increases, and the tup diameter adopts the 30-80mm size, this single small size tup is just less with the number of times that coal contacted in the unit interval, has just reduced the wearing and tearing of single small size tup.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the utility model cross-sectional view
Fig. 3 is the utility model example structure schematic diagram
Fig. 4 is the utility model example structure schematic diagram
Fig. 5 is the utility model example structure schematic diagram
Mark among the figure: 1, main shaft, 2, rotor assembly, 3, the bolt plate, 4, hammerhead jib, 5, tup, 6, positioning sleeve.
The specific embodiment
Embodiment 1
As depicted in figs. 1 and 2, the coal fine crusher comprises main shaft 1, is enclosed within the rotor assembly 2 on the main shaft 1, and rotor assembly 2 comprises bolt plate 3, hammerhead jib 4 and tup 5, is with 3 rotor assemblies 2 on main shaft 1 side by side.Connect through positioning sleeve 6 between the bolt plate 3 of described each adjacent rotor assembly 2.Bolt plate 3 thickness are 18mm.Tup 5 diameters are 30mm.
As shown in figures 1 and 3, the coal fine crusher comprises main shaft 1, is enclosed within the rotor assembly 2 on the main shaft 1, and rotor assembly 2 comprises bolt plate 3, hammerhead jib 4 and tup 5, is with 8 rotor assemblies 2 on main shaft 1 side by side.Connect through positioning sleeve 6 between the bolt plate 3 of described each adjacent rotor assembly 2.Bolt plate 3 thickness are 25mm.Tup 5 diameters are 40mm.
Embodiment 3
As shown in Figure 1 and Figure 4, the coal fine crusher comprises main shaft 1, is enclosed within the rotor assembly 2 on the main shaft 1, and rotor assembly 2 comprises bolt plate 3, hammerhead jib 4 and tup 5, is with 12 rotor assemblies 2 on main shaft 1 side by side.Connect through positioning sleeve 6 between the bolt plate 3 of described each adjacent rotor assembly 2.Bolt plate 3 thickness are 30mm.Tup 5 diameters are 50mm.Described bolt plate 3 two sides all are equipped with hammerhead jib 4, and hammerhead jib 4 positions of two sides are corresponding to be arranged.
As Fig. 1 and shown in Figure 5, the coal fine crusher comprises main shaft 1, is enclosed within the rotor assembly 2 on the main shaft 1, and rotor assembly 2 comprises bolt plate 3, hammerhead jib 4 and tup 5, is with 15 rotor assemblies 2 on main shaft 1 side by side.Connect through positioning sleeve 6 between the bolt plate 3 of described each adjacent rotor assembly 2.Bolt plate 3 thickness are 35mm.Tup 5 diameters are 60mm.
During use, open motor, motor rotates the main shaft 1 that drives shaft coupling and rotates, the rotor assembly 2 that is enclosed within on the main shaft 1 begins to rotate, be that bolt plate 3 rotates 4 rotations of drive hammerhead jib, thereby driving tup 5 rotates, coal enters crusher chamber from charging aperture, coal contacts with tup 5, and tup 5 smashes coal, and the coal that is crashed to pieces is beaten on the crushing shell modular assembly, the tup 5 that bounce-back returns to be rotated once more smashes, because be with 3 rotor assemblies 2 at least side by side on the main shaft 1, promptly bolt plate 3 is at least 3, can broken more coal in the unit interval, bolt plate more than 3, small size tup 5 is also corresponding to be increased, and coal is repeatedly knocked by small size tup 5 in the unit interval, has improved the percentage of damage and the coal crushing uniformity of coal.Bolt plate 3 two sides all are provided with hammerhead jib 4, and the corresponding layout in hammerhead jib 4 positions of two sides, have further improved the coal crushing uniformity.Small size tup 5 increases, and single small size tup 5 is less with the coal frequency of exposure in the unit interval, and contact-making surface is less, so reduced the wearing and tearing of tup 5.
The utility model is not limited to the foregoing description, but all should fall within the utility model claim protection domain.
Claims (6)
1. coal fine crusher, comprise main shaft (1), be enclosed within the rotor assembly (2) on the main shaft (1), rotor assembly (2) comprises bolt plate (3), hammerhead jib (4) and tup (5), it is characterized in that: be with 3 rotor assemblies (2) on main shaft (1) at least side by side.
2. according to the described coal fine crusher of claim 1, it is characterized in that: described bolt plate (3) is 3-15.
3. according to claim 1 or 2 described coal fine crushers, it is characterized in that: connect through positioning sleeve (6) between the bolt plate (3) of described each adjacent rotor assembly (2).
4. according to the described coal fine crusher of claim 3, it is characterized in that: described bolt plate (3) two sides all are equipped with hammerhead jib (4), and the hammerhead jib of two sides (4) position is corresponding to be arranged.
5. according to the described coal fine crusher of claim 1, it is characterized in that: described tup (5) diameter is 30-60mm.
6. according to the described coal fine crusher of claim 1, it is characterized in that: described bolt plate (3) thickness is 18-35mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020685203 CN201940266U (en) | 2010-12-29 | 2010-12-29 | Fine coal crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020685203 CN201940266U (en) | 2010-12-29 | 2010-12-29 | Fine coal crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201940266U true CN201940266U (en) | 2011-08-24 |
Family
ID=44467619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020685203 Expired - Fee Related CN201940266U (en) | 2010-12-29 | 2010-12-29 | Fine coal crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201940266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553677A (en) * | 2010-12-29 | 2012-07-11 | 四川省宜宾惠美线业有限责任公司 | Coal fine crusher |
-
2010
- 2010-12-29 CN CN 201020685203 patent/CN201940266U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553677A (en) * | 2010-12-29 | 2012-07-11 | 四川省宜宾惠美线业有限责任公司 | Coal fine crusher |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205833296U (en) | Food masher with automatic feeder | |
| CN101632953B (en) | Dual-roller dual-cavity three-impact crusher | |
| CN106391182A (en) | Ore smashing device | |
| CN204352931U (en) | A kind of vertical composite breaking grinder | |
| CN201815332U (en) | Combination type impact rolling ring hammer coal crusher | |
| CN102744123A (en) | Impact hammer type crusher | |
| CN201135895Y (en) | Counterattack plate type fine breaking machine | |
| CN210058463U (en) | Super little rubbing crusher tup and use super little rubbing crusher of this tup | |
| CN106000544A (en) | Breaking method for conducting impact breaking and strike breaking continuously | |
| CN201333414Y (en) | Crusher | |
| CN202343261U (en) | Centrifugal sand making machine | |
| CN105562154A (en) | Small horizontal type material crushing device | |
| CN202061653U (en) | Counterattack hammer crusher | |
| CN202087350U (en) | Modified impact hammer crusher | |
| CN201940266U (en) | Fine coal crusher | |
| CN201300069Y (en) | Single-stage hammer crusher | |
| CN201470425U (en) | Double-roller and double-cavity three-strike type crusher | |
| CN106179598A (en) | A kind of birotor impact breaker for ore reduction | |
| CN201300075Y (en) | Single-stage hammer crusher | |
| CN202803313U (en) | Coarse grinding mill | |
| CN101716537A (en) | High-efficiency ring hammer type fine crusher | |
| CN201454658U (en) | Distributing impeller of sand grinding machine | |
| CN102553677A (en) | Coal fine crusher | |
| CN203803564U (en) | Double-shaft hammer type impact crusher | |
| CN201543467U (en) | Efficient wreath hammer crusher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20181229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |