Hammer Crusher
Hammer crusher is used for crushing raw material whose compression strength is less than 150 MPa such as limestone, sandstone, gypsum, coal, etc.
Hammer crusher also can be called hammer mill,hammering machine or hammer mill crusher,is one of the primary or secondary rock crushers. It is used for crushing raw material whose compression strength is less than 150 MPa such as limestone, sandstone, gypsum, coal, etc. The single stage hammer crusher can crush the ore block at the stope into the required granularity at a time. It can replace the traditional two-stage crusher, help simplify process flow, save infrastructure investment and production costs.
The main working part of hammer crusher is the rotor with hammer. The rotors consist of main shaft, disk, pin shaft and hammers. The motor drives the rotors to rotate quickly in the crushing cavity. Raw materials enter the crusher through the feeding opening and then they are stricken, impacted, cut and ground to small size by the high-speed hammer.
There is a screening plate under the rotor. The materials with smaller size than the screen mesh will be screened out and others are left to be further crushed and ground until they reach the standard size. The size of the final product can be adjusted by changing the screening plate. The gap between the rotors and the screening plate can also be adjusted.
1. Big reduction ratio: maximum feeding size is 1.3-1.5m; 3-150mm of discharging size.
2. High fineness of discharged particles: favorable shape with aggregate, the powdery material is no more than 20%.
3. Simple production process: the two or three stage crushing is reduced into single stage.
4. Economical: small capacity of matched motor, which greatly reduces the production cost.
The hammer crusher machine crushes materials depending on its impact power. When it works, the motor drives the rotor to spin at high speed, materials enter the crushing cavity evenly, and the high speed spinning hammerhead impacts, cuts and tears materials till they are completely crushed. Meanwhile, the gravity action of materials forces them to crash the baffle and grate bars on the frame from the high speed spinning hammerhead. At the bottom of the rotor is the sieve plate. Materials that have particle size smaller than the screen size will pass the sieve plate while those with bigger particle size are stopped on the plate and will continue to be impact and ground by the hammer until they have the required discharging particle size, and then will be discharged from the hammer crusher through the sieve plate.
|
Model specification
|
Feeding Size
(mm) |
Discharging size
(mm) |
Capacity
(m³/h) |
Motor power
(kw) |
Total weight
(t) |
Dimensions
(L×W×H) (mm) |
|
PCΦ400×300
|
≤200
|
≤25
|
5-10
|
11
|
0.8
|
900×670×860
|
|
PCΦ600×400
|
≤250
|
≤30
|
10-22
|
22
|
2.26
|
1200×1050×1200
|
|
PCΦ800×600
|
≤250
|
≤35
|
18-40
|
55
|
4.8
|
1310×1180×1310
|
|
PCΦ1000×800
|
≤350
|
≤35
|
25-50
|
75
|
5.9
|
1600×1390×1575
|
|
PCΦ1000×1000
|
≤350
|
≤35
|
30-55
|
90
|
8
|
1800×1590×1775
|
|
PCΦ1200×1200
|
≤350
|
≤35
|
50-80
|
132-160
|
19.2
|
2060×1600×1890
|
|
PCΦ1400×1400
|
≤350
|
≤35
|
50-100
|
280
|
32
|
2365×1870×2220
|
|
PCΦ1600×1600
|
≤350
|
≤35
|
100-150
|
480
|
37.5
|
3050×2850×2800
|
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