Руководство по горному оборудованию: What Equipment Should You Use for Mining, Quarries and Coal Production Lines? A Complete Guide to Vibrating Feeders

The GZD series vibrating feeders are high-efficiency continuous feeding devices used in sand and gravel production lines. Their main function is to feed lump or granular materials from the hopper evenly and continuously into the receiving device. In sand and gravel production lines, they can provide continuous and uniform feeding to crushers, preventing blockage at the crusher’s feed opening. The working principle of the equipment is to use the eccentric block in the vibrator to generate centrifugal force, causing the movable parts such as the screen box and vibrator to perform forced continuous circular or approximately circular motion. The materials then make continuous throwing movements on the inclined screen surface along with the screen box, and are delivered continuously and evenly to the receiving outlet. Why choose the GZD series vibrating feeder? First, it provides uniform and continuous feeding. The centrifugal force generated by the rotating eccentric block ensures continuous and even material conveyance, stabilizing crusher feed and preventing blockage. Second, it has a sturdy and durable structure, using high-strength frames and wear-resistant liners, suitable for heavy-load impact conditions in mines, sand and gravel plants, and coal mines. Third, it has a large processing capacity, covering a range of 90–900 t/h, compatible with crushing lines of different capacities. Fourth, it offers flexible installation, with a standard inclined angle of 5°, adjustable according to actual conditions, suitable for different hopper and crusher layouts. Fifth, it has a wide range of applications, widely used in crushing and screening production lines in mining, sand and gravel plants, metallurgy, building materials, chemical, beneficiation, and coal industries. Vibrating feeders are mainly used for coarse crushing feed in mining operations, feed supply to aggregate production lines in sand and gravel plants, feed in underground or surface coal transportation systems, raw material feeding in metallurgy and building materials industries, process feeding in chemical and mineral processing industries, and initial feeding in various crushing and screening production lines. Those who need vibrating feeders include mining and sand and gravel plant operation teams, mining equipment procurement and maintenance departments, equipment maintenance departments in metallurgy, building materials, and chemical enterprises, EPC contractors for aggregate production lines, crushing and screening equipment dealers and stockholders, and procurement parties for overseas mining and building materials projects. Under which circumstances should a vibrating feeder be chosen or replaced? When a new sand and gravel production line or mining crushing line requires feeding equipment; when an old feeder provides uneven feeding, causing crusher blockage or insufficient capacity; when material discharge from the hopper is poor, causing bridging or blockage, requiring a vibrating feeder for forced discharge; and when production line capacity increases and the original feeder's processing capability does not match. Export projects require feeding equipment adapted to overseas voltage and working conditions. How to choose a vibrating feeder? Step one: determine the processing capacity. Calculate the required feeding volume based on the crusher capacity and material characteristics, and select a model with the corresponding processing capacity; Step two: confirm the maximum feed size. Choose a model with the maximum feed size corresponding to the material particle size to ensure the material can pass smoothly through the feeder; Step three: confirm the trough width and length. Select the trough width based on the hopper outlet size and the crusher feed opening size; Step four: confirm motor power. Choose motor power from 7.5-37kW according to processing capacity and material density; Step five: confirm the installation angle. The standard installation angle is 5°, which can be adjusted according to actual working conditions; Step six: confirm motor configuration. Standard voltage is 380V/50Hz, different voltages and frequencies can be customized; Step seven: confirm wear-resistant liner material. Choose high manganese steel or wear-resistant steel plates according to material abrasiveness; Step eight: confirm environmental protection and automation configuration. Variable frequency speed control and central control system can be equipped.

Model example: `GZD1142`, meaning GZD series vibrating feeder, 11 for trough width 1100mm, 42 for trough length 4200mm.

GZD series vibrating feeder model and parameters table

Model	Trough width (mm)	Maximum feed size (mm)	Processing capacity (t/h)	Motor power (kW)	Installation angle	Machine weight (t)
GZD8530	850×3000	120	90-180	7.5	5°	3.6
GZD9638	960×3800	150	120-210	11	5°	4.5
GZD1142	1100×4200	240	180-400	15	5°	5.5
GZD1149	1100×4900	280	250-480	15	5°	6
GZD1349	1300×4900	450	340-600	22	5°	6.2
GZD1360	1300×6000	500	340-600	30	5°	6.8
GZD1560	1500×6000	650	400-800	37	5°	7.2
GZD1860	1800×6000	650	450-900	37	5°	8.6

General technical parameters table

Parameter	Specification
Series	GZD
Type	Vibrating feeder
Trough width	850×3000–1800×6000mm
Maximum feed size	120–650mm
Processing capacity	90–900t/h
Motor power	7.5–37kW
Installation angle	5° (standard)
Machine weight	3.6–8.6t
Working principle	Eccentric blocks rotate to produce centrifugal force, causing movable parts to make forced continuous circular motion, while materials perform continuous throwing motion on the inclined screening surface
Applicable industries	Mines, gravel pits, metallurgy, building materials, chemical industry, mineral processing, coal mines, etc.
Applicable materials	Block and granular materials

Dimension drawing and key dimensions: `[Image: /images/vibrating-feeder-dimension-drawing.webp]`

Material table

Components	Standard material	Optional material	Description
Frame/Trough	High-strength carbon steel	Wear-resistant steel plate	Bears material and vibration load
Liner	High manganese steel	High chrome alloy, ceramic composite	Highly wear-resistant, extends service life
Vibrator	Eccentric block type	Double-shaft type	Generates centrifugal force to drive the trough vibration
Spring	Helical spring	Rubber spring	Support and vibration reduction
Motor	All-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: Vibrating feeders are usually installed at the bottom of the silo or in front of the crusher feed inlet. The standard installation angle is 5°, which can be adjusted according to actual working conditions. During installation, it is necessary to ensure that the equipment foundation is level and that the bearing capacity meets the equipment weight and operating load; a suitable chute or guide plate should be set between the equipment and the silo outlet to ensure that the material falls evenly into the feeder trough; the vibrator must be securely installed, and the eccentric block adjustment must meet design requirements; spring supports must be installed vertically to ensure correct vibration direction; motor wiring must comply with regulations and be reliably grounded. After installation, a no-load trial run should be carried out to check whether the vibration is stable and free of abnormal noise, and to confirm that the feeding direction and speed meet the requirements. A variable frequency speed control device can be equipped to automatically adjust the feeding speed according to the crusher load, achieving automated control of the production line.

Application Scenario Table

Industry	Application	Recommended Configuration	Key Requirements
Mining	Coarse feeding, initial feeding for crushing lines	GZD1142–GZD1860, high manganese steel liner	Large processing capacity, wear-resistant, impact-resistant
Sand and Gravel Plant	Aggregate production line feeding	GZD9638–GZD1560, wear-resistant steel plate	Uniform and continuous feeding
Coal Mine	Underground or surface conveying system feeding	GZD1142–GZD1360, explosion-proof motor (optional)	Explosion-proof, dust-proof, reliable
Metallurgy and Construction Materials	Raw material feeding, process feeding	GZD8530–GZD1149, variable frequency speed control	Precise and adjustable feeding
Chemical & Mineral Processing	Chemical raw material, mineral processing feeding	GZD8530–GZD1149, stainless steel liner (optional)	Corrosion-resistant, easy to clean

Note: Vibrating feeders are suitable for lump and granular materials, with a maximum feed size of 120-650mm and a processing capacity of 90-900t/h. The standard installation inclination angle is 5°, which can be adjusted according to actual working conditions. In explosive environments, explosion-proof motors must be selected. For highly abrasive materials, it is recommended to use high-chromium alloy or ceramic composite liners.

Selection considerations (compared with plate feeders and electromagnetic vibrating feeders): The core differences between vibrating feeders and plate feeders or electromagnetic vibrating feeders lie inapplicable material particle size, feeding capacity, and drive method.Plate feeders use chain plate conveyors, suitable for large, high-temperature, highly abrasive materials; they have large feeding capacity but complex structure and high investment. Electromagnetic vibrating feeders use electromagnetic exciters, suitable for small particles and powder materials; they provide high feeding accuracy but relatively low processing capacity. The GZD series vibrating feeder uses eccentric block vibrators, suitable for lump and granular materials, with a processing capacity of 90-900t/h, simple structure, and easy maintenance. It is the most commonly used feeding equipment in sand and gravel production lines and mine crushing lines. When selecting, for large and highly abrasive materials, plate feeders are preferred; for small granular and powder materials, electromagnetic vibrating feeders are preferred; for lump and granular materials with higher processing capacity requirements, the GZD series vibrating feeder is preferred.

## Technical FAQ

1. What is a vibrating feeder?

The GZD series vibrating feeder is a type of feeding equipment that uses the rotation of eccentric blocks to generate centrifugal force, causing the trough to perform forced continuous circular motion, thereby uniformly and continuously feeding lump and granular materials from the hopper to the receiving device.

2. What is the working principle of a vibrating feeder?

The rotating eccentric blocks in the vibrator generate centrifugal force, causing movable parts such as the screen box and vibrator to perform forced continuous circular or near-circular motion. The materials follow the throwing motion on the inclined screen surface and are continuously and evenly delivered to the receiving port.

3. In which industries are vibrating feeders mainly used?

They are widely used in crushing and screening production lines in industries such as mining, sand and gravel, metallurgy, building materials, chemical, mineral processing, and coal mining.

4. What is the processing capacity of a vibrating feeder?

Processing capacity: 90-900 t/h, varying depending on the model. GZD8530 is 90-180 t/h, GZD1860 is 450-900 t/h.

5. What is the maximum feed size of the vibrating feeder?

Maximum feed size: 120-650 mm, varying depending on the model. GZD8530 is 120 mm, GZD1560 and GZD1860 are 650 mm.

6. What is the motor power of the vibrating feeder?

Motor power: 7.5-37 kW, varying depending on the model.

7. What is the installation inclination angle of the vibrating feeder?

The standard installation inclination angle is 5°, adjustable according to actual working conditions.

8. Does the vibrating feeder need a foundation?

Yes. Vibrating feeders are usually installed at the bottom of the silo or in front of the crusher feed port, requiring a level foundation with bearing capacity meeting the equipment weight and operating load.

9. Can the vibrating feeder adjust its speed?

Yes, it can be equipped with a variable frequency speed control device to automatically adjust the feeding speed according to the crusher load, achieving automated control of the production line.

10. What materials are suitable for the vibrating feeder?

Suitable for block and granular materials, widely used in mining, sand and gravel plants, coal mines, metallurgy, building materials, chemical industry, and mineral processing industries.

11. What are the trough width sizes of the vibrating feeder?

Trough width sizes range from 850×3000 mm to 1800×6000 mm, with a total of 8 standard models.

12. What is the material of the wear-resistant liner of the vibrating feeder?

Standard material is high manganese steel; optional high-chrome alloy or ceramic composite liners are available, selected according to material abrasiveness.

13. Can the vibrating feeder be used in coal mines?

Yes, it can be used for feeding in underground or surface coal transportation systems; an explosion-proof motor is required in explosive environments.

14. What material are the springs of the vibrating feeder made of?

Standard is spiral springs; rubber springs are optional, used for support and vibration reduction.

15. What should be paid attention to when installing a vibrating feeder?

The foundation should be level and have sufficient load-bearing capacity for the equipment weight and operating load; an appropriate chute or guide plate should be set between the equipment and the hopper outlet; the vibrator should be installed firmly, and the eccentric block adjustment should meet design requirements; spring supports should be installed vertically; motor wiring should comply with regulations and have reliable grounding; after installation, a no-load trial run should be carried out.

16. What are the common faults of a vibrating feeder?

Abnormal vibration (improper eccentric block adjustment, spring damage, loose foundation bolts), uneven feeding (poor hopper discharge, chute wear), motor overheating (overload, unstable voltage), excessive noise (bearing damage, spring aging).

17. What is the difference between a vibrating feeder and a plate feeder?

Plate feeders use chain plate conveying, suitable for large, high-temperature, highly abrasive materials. They have high feeding capacity but complex structure and high investment; vibrating feeders are driven by eccentric block vibrators, suitable for block and granular materials, with a handling capacity of 90–900 t/h, simple structure, and easy maintenance.

18. What is the difference between a vibrating feeder and an electromagnetic vibrating feeder?

Electromagnetic vibrating feeders use electromagnetic excitation, suitable for small particles and powder materials. They have high feeding accuracy but low handling capacity; vibrating feeders are driven by eccentric block vibrators, suitable for block and granular materials, and have high handling capacity.

19. Can vibrating feeders be customized?

The trough width, handling capacity, motor power, liner material (high manganese steel/high chromium alloy/ceramic composite), motor configuration (explosion-proof motor), variable frequency speed control, and central control system can be customized.

20. How to maintain and service a vibrating feeder?

Regularly check whether the eccentric block adjustment is normal, whether the springs are damaged, and whether the foundation bolts are loose; regularly check liner wear and replace in time; regularly check bearing lubrication; regularly clean accumulated material inside the trough; regularly check motor wiring and insulation conditions.

Technical FAQ

What information is needed for a feeder or conveyor?

Send capacity, material density, lump size, conveyor length, inclination, start-stop frequency and required control mode.

Why is starting torque important?

A loaded conveyor or feeder may need much higher starting torque than its running load. Check the motor, gearbox and starting method together.

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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