What does it mean to fight back against stones?
In the field of construction and mining, "impact broken stone" is a professional term that refers to stone processed by an impact crusher. This type of stone usually has the characteristics of uniform particles, high compressive strength, and sharp edges, and is widely used in highways, railways, construction concrete and other fields. The following will explain it from four aspects: definition, working principle, application scenarios and recent industry hot spots.
1. The definition and characteristics of counterattack stone
Impact broken stone is a finished stone formed after multi-stage crushing of raw stone through an impact crusher. Its core features are:
| Features | Description |
|---|---|
| particle shape | Polygonal body with sharp edges, which is conducive to the interlocking of aggregates |
| Compressive strength | Usually ≥150MPa, higher than natural sand and gravel |
| Powder content | Controllable within the range of 3%-8% |
| Grading | Can be precisely controlled by adjusting the plate hammer clearance |
2. Working principle of impact crusher
The equipment uses the high-speed rotating rotor to drive the plate hammer to impact the raw materials, and uses the secondary crushing effect of the impact plate to form stone. The key parameters are as follows:
| parameters | Typical value |
|---|---|
| Rotor speed | 500-1200rpm |
| Feed particle size | ≤800mm |
| Discharge particle size | 5-60mm adjustable |
| processing power | 50-800t/h |
3. Industry hotspot correlation (data in the past 10 days)
Combining recent industry trends, we found the following hot topics related to counterattacking broken stones:
| hot topics | relevance | heat index |
|---|---|---|
| Infrastructure investment accelerates | There are 23 new key projects across the country, and the demand for stone materials has surged. | ★★★★☆ |
| Implementation of new environmental protection regulations | Counterattack crushing supporting dust removal equipment has become the focus of procurement | ★★★☆☆ |
| Intelligent crushing system | AI control technology improves counterattack energy efficiency by 15% | ★★★☆☆ |
| Sand and gravel price fluctuations | The price of broken gravel in the Yangtze River Delta region rose by 8% | ★★★★☆ |
4. Comparison of application scenarios
There are differences in the technical requirements for counterattacking gravel in different fields:
| Application areas | Particle size requirements (mm) | Compression standard |
|---|---|---|
| highway surface | 10-20 | ≥160MPa |
| High speed railway sleeper concrete | 5-15 | ≥180MPa |
| building foundation | 20-40 | ≥120MPa |
| Municipal drainage project | 15-30 | ≥100MPa |
5. Technology development trends
According to recent industry exhibition information, counterattack technology presents three major upgrade directions:
1.Energy saving: New dual-rotor design can reduce energy consumption by 22%
2.Modular: Quick-change counterattack plate system shortens replacement time to 4 hours
3.Intelligent: Real-time monitoring of rotor balance status through vibration sensor
Conclusion
As an important basic material for modern engineering construction, the production technology and application standards of counterattack broken stone have been continuously upgraded. The recent infrastructure boom and increasing environmental protection requirements will further promote the innovative development of impact crushing technology. It is recommended that purchasers focus on the energy consumption indicators and intelligent control system configuration of equipment to adapt to more stringent production requirements in the future.
check the details
check the details
en
