鉱山設備ガイド：What Equipment Should You Use for Medium and Fine Crushing in Metal Mines, Quarries and Cement Plants? A Complete Guide to HST Series High-Efficiency Hydraulic Cone Crushers

The HST series high-efficiency hydraulic cone crusher is an efficient crusher designed by introducing American technology and combining the performance of international metal materials. It is widely used in metal mines, the metallurgical industry, the chemical industry, the construction industry, the cement industry, and the gravel industry. It is suitable for medium and fine crushing of various mines and rocks with a Mohs hardness of f=5-16, such as iron ore, non-ferrous metal ores, granite, limestone, quartzite, sandstone, pebbles, etc. Why choose the HST series high-efficiency hydraulic cone crusher? First, high efficiency: The hydraulic cone crusher is supported at both the upper and lower ends of the main shaft, which can withstand greater crushing force and a larger stroke. Combined with a special crushing chamber design adapted to the lamination principle, the machine has higher crushing efficiency. Second, high production capacity: The hydraulic cone crusher is perfectly designed with a combination of crushing stroke, crushing speed, and crushing chamber shape, allowing the machine to produce 35%-60% more than the old spring cone crusher with the same large-end diameter of the moving cone. Third, high product quality: The hydraulic cone crusher uses a unique crushing chamber and lamination crushing principle, generating inter-particle crushing action, which significantly increases the proportion of cubic particles in the finished product, reduces flaky materials, and results in more uniform particle size. Fourth, multiple chamber types for medium and fine crushing: Only the fixed cone needs to be replaced to adapt flexibly to different finished product requirements. Fifth, dual insurance-controlled hydraulic and lubrication systems ensure the machine’s overload protection and good bearing lubrication. Sixth, easy maintenance: The cone crusher has a simple and compact structure, stable performance, low failure rate, and is convenient and quick to maintain. The HST series is mainly used for medium and fine crushing of iron ore and non-ferrous metal ores in metal mines, raw material crushing in the metallurgical industry, material crushing in the chemical industry, aggregate production in the construction industry, limestone and clinker crushing in the cement industry, and manufactured sand and aggregate processing in the gravel industry. The target users of the HST series include metal mining companies, gravel and aggregate producers, equipment procurement departments of cement and building material companies, equipment maintenance departments of metallurgical and chemical enterprises, EPC contractors for crushing and screening production lines, equipment distributors and stockists, and overseas mining and building material project buyers. Under what circumstances should one choose or replace the HST series cone crusher? Various ores and rocks requiring medium-fine crushing with a Mohs hardness of f=5-16; with high requirements for finished particle shape, requiring a high proportion of cubic particles, few flaky particles, and uniform particle size; aiming to increase output and replace old spring cone crushers; the old cone crushers are severely worn, with insufficient processing capacity or unacceptable finished particle shapes; new sand and gravel aggregate production lines or mine crushing lines require medium-fine crushing equipment. How to choose an HST series high-efficiency hydraulic cone crusher? Step 1: Confirm the material hardness, ensuring Mohs hardness f=5-16; Step 2: Confirm the crushing stage, choosing medium or fine crushing cavity type; Step 3: Confirm the maximum feed size, selecting the corresponding cavity type based on material particle size; Step 4: Confirm production capacity, choosing the corresponding model and discharge opening size according to the production line requirements; Step 5: Confirm motor power, selecting a 90-315kW motor based on processing capacity and material hardness; Step 6: Confirm cavity type: for medium crushing, options are S1 Extra Coarse, S2 Medium Coarse, S3 Fine; for fine crushing, options are H1 Fine, H2 Medium Fine, H3 Extra Fine, different cavity types can be achieved simply by replacing the fixed cone; Step 7: Confirm installation foundation, the cone crusher must be installed on a solid concrete foundation, fixed with anchor bolts; Step 8: Confirm hydraulic and lubrication system configuration, double insurance control ensures overload protection and bearing lubrication; Step 9: Confirm environmental protection and automation configuration, equipped with dust removal and central control systems if needed.

HST Medium Crushing Technical Parameter Table

Model	Power (kW)	Cavity Type	Feed Size (mm)	Minimum Discharge Opening (mm)	Standard Production Capacity (t/h)
HST100	90	S1 Extra Coarse	240	22	85-145
HST100	90	S2 Medium Coarse	190	19	75-130
HST100	90	S3 Fine	160	16	60-115
HST160	160	S1 Extra Coarse	360	25	120-260
HST160	160	S2 Medium Coarse	300	22	95-220
HST160	160	S3 Fine	235	19	80-180
HST250	250	S1 Extra Coarse	450	35	220-440
HST250	250	S2 Medium Coarse	400	29	180-360
HST250	250	S3 Fine	300	25	150-300
HST315	315	S1 Extra Coarse	560	41	300-600
HST315	315	S2 Medium Coarse	500	38	260-520

HST Fine Crushing Technical Parameter Table

Model	Power (kW)	Cavity Type	Feed Size (mm)	Minimum Discharge Opening (mm)	Standard Production Capacity (t/h)
HST100	90	H1 Fine	135	10	45-85
HST100	90	H2 Medium-Fine	65	8	35-70
HST100	90	H3 Ultra-Fine	38	4	27-55
HST160	160	H1 Fine	185	13	90-160
HST160	160	H2 Medium-Fine	90	10	70-130
HST160	160	H3 Ultra-Fine	50	6	50-100
HST250	250	H1 Fine	215	16	150-280
HST250	250	H2 Medium-Fine	110	13	115-220
HST250	250	H3 Ultra-Fine	70	8	90-180
HST315	315	H1 Fine	275	16	220-380
HST315	315	H2 Medium-Fine	135	16	190-330
HST315	315	H3 Ultra-Fine	65	13	180-300

Structural Diagram Component Description: The main structural components of the cone crusher include the upper frame, upper frame lining plate, lock nut, crushing wall, main shaft, lower frame, lower frame lining plate, eccentric sleeve, large gear, small gear, horizontal shaft, pulley, hydraulic cylinder, dust ring, etc. Both ends of the main shaft are supported, able to withstand greater crushing force and larger stroke; the crushing wall and upper frame lining plate are the main wear parts.

General Technical Parameters Table

Parameter	Specification
Series	HST
Type	High-Efficiency Hydraulic Cone Crusher
Applicable Materials	Various ores and rocks with Mohs hardness f=5-16
Crushing Stage	Medium Crushing, Fine Crushing
Model	HST100 / HST160 / HST250 / HST315
Power	90 / 160 / 250 / 315 kW
Medium Crushing Cavity Type	S1 Extra Coarse / S2 Medium-Coarse / S3 Fine
Fine Crushing Cavity Type	H1 Fine / H2 Medium-Fine / H3 Ultra-Fine
Feed Size	Medium Crushing 160-560mm; Fine Crushing 38-275mm
Minimum Discharge Opening	Medium Crushing 16-41mm; Fine Crushing 4-16mm
Production Capacity	Medium crushing 60-600t/h; fine crushing 27-380t/h
Core Advantages	High efficiency, large capacity, high finished product cubic ratio, interchangeable cavity type, dual hydraulic lubrication

Dimensions and key measurements: `[Image: /images/hst-cone-crusher-dimension-drawing.webp]`

Material Table

Parts	Standard Material	Optional Material	Description
Frame/Upper Frame/Lower Frame	High-strength cast steel	Wear-resistant steel plate	Bears crushing reaction force, requires high rigidity
Crushing Wall/Upper Frame Liner	High manganese steel (ZGMn13)	High-chrome cast iron, alloy steel	Core wear parts, high wear resistance
Main Shaft	40Cr/42CrMo forging	Alloy steel	Tempered, supports both ends
Eccentric Sleeve	Cast steel/copper alloy	Babbitt alloy	Withstands large torque
Large Gear/Pinion	40Cr/20CrMnTi	Alloy steel	Carburizing and quenching, smooth transmission
Hydraulic Cylinder	Cast steel/forged steel	Stainless steel	Overload protection and discharge port adjustment
Motor	Full copper coil motor	Explosion-proof motor	Standard three-phase asynchronous motor
Control Box	Carbon steel/stainless steel	Rainproof and dustproof type	Optional Variable Frequency Speed Control

Installation Method: HST series high-efficiency hydraulic cone crushers need to be installed on a sturdy concrete foundation that can withstand the weight of the equipment and the huge impact load during crushing operations; during installation, ensure that the foundation is level according to requirements, and tighten the anchor bolts according to the torque specifications; after placing the equipment, adjust the level to ensure the main shaft is parallel to the motor shaft; the motor and crusher are connected via a V-belt or direct drive, and belt tension or alignment precision should be adjusted to ensure smooth transmission; the hydraulic system must be correctly connected, with overload protection and discharge port adjustment functions debugged; the lubrication system must be correctly connected to ensure proper bearing lubrication; after installation, perform a no-load trial run to check whether the main shaft rotates smoothly, and whether there is abnormal vibration or noise, confirming even clearance between the crushing wall and liner; during the load trial run, gradually increase the feeding amount, observe the crushing effect and motor current, ensuring it does not exceed the rated current; a dust removal system should be equipped to reduce dust pollution; a central control system can be optionally equipped for online monitoring and automatic control.

Application Scenario Table

Industry	Application	Recommended Configuration	Key Requirements
Metal Mining	Medium and fine crushing of iron ore and non-ferrous metal ores	HST160–HST315, medium/fine crushing cavity type	Wear-resistant, high capacity, good particle shape
Gravel Plant	Medium and fine crushing and shaping in aggregate production lines	HST100–HST250, fine crushing cavity type	High cube proportion, reasonable grading
Cement Industry	Crushing limestone and clinker	HST160–HST250, medium crushing cavity type	High capacity, high reliability
Metallurgical Industry	Raw material crushing	HST100–HST160, medium crushing cavity type	Simple structure, easy maintenance
Chemical Industry	Material crushing	HST100, fine crushing cavity type	Pollution prevention, uniform particle size
Construction industry	Aggregate production	HST160–HST250, medium crushing/fine crushing	High output, good particle shape
Quartzite/sandstone processing	Medium-fine crushing	HST250–HST315, fine crushing chamber type	Wear-resistant, high processing capacity

Note: The HST series high-efficiency hydraulic cone crusher is suitable for various mines and rocks with a Mohs hardness f=5-16. The feed size for medium crushing is 160-560mm, and for fine crushing is 38-275mm. The chamber type can be changed by replacing the fixed cone: S1/S2/S3 for medium crushing, H1/H2/H3 for fine crushing. The hydraulic and lubrication systems with double protection ensure overload protection and bearing lubrication. Explosion-proof motors should be selected for explosive environments. For highly abrasive materials, high-chromium cast iron or alloy steel liners are recommended.

Selection considerations (compared with spring cone crusher and multi-cylinder hydraulic cone crusher): The core difference between the HST series high-efficiency hydraulic cone crusher and the older spring cone crusher lies incrushing efficiency, output, and finished product quality. The HST series has support at both upper and lower ends of the main shaft, which can withstand greater crushing force and a larger stroke. Combined with the special crushing chamber type adapted to the lamination principle, the crushing efficiency is higher; the perfect design combination of crushing stroke, crushing speed, and chamber shape makes the output 35%-60% higher than that of the old spring cone crusher with the same diameter of the large end of the moving cone; using a unique crushing chamber type and lamination crushing principle generates inter-particle crushing, significantly increasing the proportion of cubic particles in the finished product and reducing needle-like and flaky stones, resulting in more uniform particle size; the hydraulic and lubrication system with double protection ensures overload protection and good bearing lubrication; with a simple and compact structure, stable performance, low failure rate, and convenient maintenance. When selecting, projects with high requirements for output, finished product shape, and automation level should prioritize the HST series, while projects sensitive to investment cost and with relatively simple working conditions may consider a spring cone crusher.

## Technical FAQ

1. What is the HST series high-efficiency hydraulic cone crusher?

The HST series high-efficiency hydraulic cone crusher is a high-efficiency crusher designed by introducing American technology and combining the performance of international metal materials. It is widely used in metal mining, metallurgy, chemical, construction, cement, and sand and gravel industries, and is suitable for medium and fine crushing of various ores and rocks with a Mohs hardness of f=5-16.

2. What is the processing capacity of the HST series cone crusher?

The medium crushing capacity is 60-600 t/h, and the fine crushing capacity is 27-380 t/h, which varies depending on the model, chamber type, and discharge port size.

3. What is the maximum feed size of the HST series cone crusher?

The feed size for medium crushing is 160-560 mm, and for fine crushing is 38-275 mm, varying according to the model and chamber type.

4. What is the motor power of the HST series cone crusher?

The motor power ranges from 90-315 kW, varying with the model: HST100 is 90 kW, and HST315 is 315 kW.

5. What is the working principle of the HST series cone crusher?

The motor drives the horizontal shaft, which through a large and small gear drives the eccentric sleeve to rotate, causing the main shaft to drive the crushing wall in a swinging motion. The material is crushed under the extrusion, impact, and lamination action between the crushing wall and the concave liner, and the crushed material is discharged from the discharge port.

6. What are the structural components of the HST series cone crusher?

It mainly consists of the upper shell, upper shell liners, locking nut, crushing wall, main shaft, lower shell, lower shell liners, eccentric sleeve, large gear, small gear, horizontal shaft, pulley, hydraulic cylinder, dust seal, and other parts. The main shaft is supported at both upper and lower ends.

7. What are the features of the main shaft of the HST series cone crusher?

The main shaft is supported at both upper and lower ends, able to withstand greater crushing force and larger stroke. Combined with the special crushing chamber adapted to the lamination principle, it makes the machine achieve higher crushing efficiency.

8. How does the HST series cone crusher achieve different chamber type conversions?

Medium and fine crushing with multiple chamber types can be achieved simply by replacing the fixed cone. Medium crushing can choose S1 extra coarse, S2 medium coarse, S3 fine; fine crushing can choose H1 fine, H2 medium fine, H3 extra fine.

9. What is the shape of the finished product of the HST series cone crusher?

By using a unique crushing cavity type and lamination crushing principle, inter-particle crushing is generated, which significantly increases the proportion of cubic particles in the finished product, reduces flake-shaped stones, and makes the particle size more uniform.

10. How much higher is the output of the HST series cone crusher compared to a spring cone crusher?

By perfectly combining the crushing stroke, crushing speed, and crushing cavity shape, this machine achieves 35%-60% higher output than the old spring cone crusher under the same large end diameter of the moving cone.

11. What is the function of the hydraulic system of the HST series cone crusher?

The hydraulics and lubrication system with double insurance control ensure the machine's overload protection and proper bearing lubrication. The hydraulic system can also be used to adjust the discharge opening and achieve iron protection.

12. Does the HST series cone crusher require a foundation?

Yes. It needs to be installed on a solid concrete foundation, which must bear the equipment's own weight and the huge impact load during crushing operations, and be fixed with anchor bolts.

13. What are the common faults of the HST series cone crusher?

Wear of the crushing wall or liners (due to highly abrasive materials), bearing overheating (poor lubrication or overload), abnormal oil pressure (hydraulic system malfunction), abnormal vibration (eccentric sleeve wear or foreign object blockage), and discharge port blockage (uneven feeding or too small discharge port).

14. What materials are suitable for the HST series cone crusher?

Suitable for various mines and rocks with a Mohs hardness f=5-16, such as iron ore, non-ferrous metal ores, granite, limestone, quartzite, sandstone, pebbles, etc.

15. Can the HST series cone crusher be used in a mobile crushing station?

Yes, the HST series cone crusher can serve as the main machine of a mobile crushing station, suitable for working conditions that require frequent relocation.

16. What are the wear parts of the HST series cone crusher?

Crushing wall, upper frame liner, lower frame liner, eccentric sleeve, dust seals, etc., among which the crushing wall and upper frame liner are the main wear parts. It is recommended to use high manganese steel or high chromium cast iron material.

17. What is the difference between HST series cone crushers and multi-cylinder hydraulic cone crushers?

The HST series adopts support at both ends of the main shaft, which can withstand greater crushing force and larger stroke; the multi-cylinder hydraulic cone crusher uses multi-cylinder hydraulic locking and adjustment, with a different structure. Both are suitable for medium and fine crushing of high-hardness materials, but the HST series has advantages in finished product shape and output.

18. Can the HST series cone crusher be customized?

The motor power, cavity type (S1/S2/S3/H1/H2/H3), liner material (high manganese steel/high chrome cast iron/alloy steel), motor configuration (explosion-proof motor), dust removal system, central control system, variable frequency speed regulation, etc., can be customized.

19. What is the crushing ratio of the HST series cone crusher?

The crushing ratio of a cone crusher is usually 4-6, depending on the hardness of the material and the adjustment range of the discharge opening. By the principle of laminated crushing, better crushing effects can be achieved.

20. Does the HST series cone crusher comply with RoHS and REACH?

Standard equipment complies with RoHS and REACH regulations and does not contain SVHC (Substances of Very High Concern). Specifics are subject to product test reports.

Technical FAQ

What data should I send for a crusher quotation?

Provide material type, maximum feed size, capacity, required product size, moisture, working hours and the upstream and downstream equipment.

How do I compare two crusher models?

Compare the same duty point: capacity, feed opening, discharge range, motor power, wear-part life, maintenance access and total operating cost.

Authoritative references

For standards and safety context, see ISO standards and the U.S. Mine Safety and Health Administration. Confirm the exact local requirements for your project.

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