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How To Increase The Capacity Of The Jaw Crusher

Do you want to know how to increase the capacity of the jaw crusher? This article we will discuss the impact of feeding methods on production capacity, taking Jaw Crush as an example.

Jaw crusher is generally a crushing device at the front end of the whole line, so its efficiency has a great influence on the production line. And feeding is the first step in stone crushing. Mastering certain feeding skills is essential for the entire production.

jaw crusher Daswell

 

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Strictly control the size of the feed, and no jamming or blockage occurs

The design size of the jaw crusher feed port has such a formula: feed port size=(1.1~1.25)*maximum particle size of raw materials.

Many users do not understand it, and always use the measured feed port size as the maximum feed size. Therefore, it is easy for the raw material to block the cavity if the raw material exceeds the prescribed large particle size. Although it is not blocked repeatedly, every time it is blocked, the equipment will not operate normally for a long time. Therefore, strictly controlling the particle size of the raw materials is one of the important prerequisites for ensuring the normal operation of the jaw crusher.

Strictly control the feeding amount to prevent clogging due to excessive

Since the working principle of jaw crusher is half-rhythmic work, if too much material is put in, the material will be too late to be broken. The broken materials cannot be eliminated in time, resulting in material jams. Therefore, material interruption and excessive feeding will affect the production capacity of the jaw crusher.

jaw crushing machine
jaw crusher machine

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Adjust the angle of the feeder and make full use of the feeder’s screening function to achieve pre-screening

Vibrating feeders are often equipped with grate bars with some screening functions. However, in practical applications, due to the amplitude, feeding angle and other reasons, the equipment is prone to block jamming of the grate during the screening process.

In fact, when adjusted properly, the efficiency of the grate bar of the vibrating feeder is extremely obvious. Adjusting the amplitude, the angle of the jaw breaker, and fully releasing the sieving function of the feeder are the best ways to increase the total throughput.

Reasonably adjust the jaw crusher discharge opening and engagement angle

The size of the discharge opening of the jaw crusher determines the processing capacity of the equipment. The jaw crusher is often used as a coarse crushing equipment, and the size of its discharge port should be based on the optimal feed size of the second-stage crushing, and the size of the discharge port cannot be increased or reduced arbitrarily.

jaw crusher in the work site

jaw crusher machine in the site

Model Size of Feed opening (mm) Max. feeding size (mm) Adjustable Size of Discharge Opening (mm) Capacity (t/h) Power (kw)
PE150*250 150*250 125 10-40 1-3 5.5
PE150*750 150*750 125 18-48 8-25 15
PE250*400 250*400 210 20-60 5-20 15
PE400*600 400*600 340 40-100 16-65 30
PE500*750 500*750 425 50-100 45-100 55
PE600*900 600*900 500 65-160 60-160 75
PE750*1060 750*1060 630 80-160 110-320 110
PE800*1060 800*1060 640 130-190 130-330 110
PE900*1200 900*1200 750 95-210 220-450 132
PE1000*1200 1000*1200 850 200-300 280-560 160
PE1200*1500 1200*1500 1020 150-300 400-800 220
PE1500*1800 1500*1800 1200 210-360 520-1100 280
PEX250*750 250*750 210 25-60 13-35 22
PEX250*1000 250*1000 210 25-60 16-52 30
PEX250*1200 250*1200 210 25-60 20-65 37
PEX300*1300 300*1300 210 25-90 30-105 55

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The adjustment of the engagement angle (the included angle between the movable jaw and the fixed jaw) needs to be strictly carried out, generally within the range of 17~26° (specifically subject to actual conditions).

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