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LH-3000 Core spraying equipment

Name: LH-3000 Core spraying equipment
Brand: Lijia
Rating: 5.0 (13 reviews)

Model:
LH-5000
Brand:
Lijia

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Product Introduction

Technical Parameters

Product Uses

FAQ

Zhengzhou Lijia LH-3000 core spraying equipment focuses on high-end manufacturing, adopts self-developed supersonic flame spraying technology, the flame flow velocity is over 2000m/s, the radial powder feeding design realizes uniform and high-speed material deposition, the coating bonding strength reaches 70MPa, the porosity is less than 1%, and it is suitable for precise spraying of high-performance materials such as ceramic and tungsten carbide. The modular structure supports fast nozzle change and powder feeding system switching, seamless connection with automatic production line, and intelligent control of the whole process through PLC linkage spraying room. The equipment is equipped with intelligent monitoring and multiple safety protection, automatic alarm and shutdown in case of abnormality, standard human-computer interaction interface and remote operation and maintenance functions, and the core components are long-term and stable, providing efficient and reliable coating solutions in various fields.

Product Advantage

High-precision pulverized coal feeding control and stability guarantee

LH-3000 series adopts metering plate and inclined gravity powder feeding structure, matched with stepless speed regulation motor drive, to realize accurate regulation of wide range powder feeding amount of 0-220g/min, and ensure coating uniformity and process stability; Meanwhile, the built-in heating function of the pulverized coal feeder can effectively prevent the powder from caking due to moisture and ensure the reliability of long-term continuous operation.

Intelligent full-automatic control and efficient production

The equipment integrates Mitsubishi PLC and touch screen intelligent control system, supports one-key parameter setting and automatic adjustment of key parameters such as gas flow and pressure. Combined with manipulator plane layer-by-layer scanning technology, it realizes real-time monitoring and continuous operation of spraying process, significantly improves efficiency and reduces manual intervention error.

Modular design and maintenance convenience

The modular assembly is realized through structure optimization, and the maintenance process is simplified through inclined design to reduce the downtime; Relying on patented technology and combined with intelligent vibration adjustment and turnover functions, the material waste is effectively reduced and the operation flexibility is improved.

1. Spraying host control cabinet

The main principle of LH-3000 supersonic flame spraying equipment: the mixed gas of gas and oxygen is sent to the ignition zone located at the outlet of the spray gun under high pressure and ignited. The ring-shaped flow of hot air is compressed by the peripheral stream of compressed air, which accelerates it to form a supersonic flame. The powder is sent to the outlet of the spray gun under the action of the carrier gas and enters the combustion flame to form a coating.
LH-3000 supersonic flame spraying equipment is composed of five parts: spray gun, powder feeder, control system, heat exchange system and various pipelines, which is a compact spraying equipment, which has the characteristics of simple operation, stable operation, low fuel consumption and good coating performance.

LH-3000 control cabinet

LH-3000 supersonic flame spraying system has the advanced level of similar foreign products, superior performance and easy operation. It can realize the automatic operation of the spraying process, and the system is monitored in real time, the working process of the spray gun is dynamically controlled, and the system failure can be responded to immediately.

LH-3000 control cabinet parameters:

Project	parameter
Enter the power supply	AC220V/60Hz
Input power	300W
Control type	PLC + Float Flow Controller
Gas type and pressure	Propane 0.62-0.65MPa
Oxygen pressure	1.1-1.2MPa
Air pressure	0.72-0.75MPa
Nitrogen pressure	1.0-1.3MPa
Hydrogen pressure	0.32-0.4MPa
Dimensional weight	600×600×1760mm，130kg

2. Powder feeder

C-1000 Plasma Flame Spraying System Powder Feeder

Features and specifications of C-1000 powder feeder

l The powder feeder is a high-precision powder feeding mechanism with planetary turntable output, and the powder output is uniform.

l Using small flow of nitrogen or argon as the powder feeding gas, the powder reaches the powder outlet with the rotation of the bottom powder feeding tray, and enters the spray gun together with the powder feeding gas, which saves more gas than the traditional medium and high pressure powder feeder.

l Wide range of powder particle sizes.

l Adopt the latest international flip structure, easy to clean the powder, only 3 seconds to flip the barrel body to pour out the powder

Project	parameter
Input power supply	AC220V/2P/60Hz
Input power	0.2kw
Powder feeding method	Planetary turntable
Cleaning method	Barrel body flip type
Powder cylinder mode	Monotube
Self-cleaning function	have
Powder cylinder capacity	2.5L
Feeding gas	Nitrogen or argon
Feeding gas pressure	0.2-1.3Mpa
Carrier gas flow rate	0~15L/min
Feeding speed	0~220g/min
Feeding accuracy	±2%
Powder size	5-150μm
Dimensions and weight	5204101260mm, 42kg/set

3. Chiller

DX-12AD chilled water system

Item						Model/Specification
						DX-12AD
Standard cooling capacity	K cal/hr					29928
	kw					34.80
Total input power	kw					13.3
Powder						3N-380V-60HZ
Refrigerant		Name				R22
		Control mode				Expansion valves
Compressor		Type				Fully enclosed scroll type
		Efficiency			kw	4.5KW*2
Condenser	Type					Fin type
	Cooling air volume			m3/h		12000
Evaporator	Type					Stainless steel plate changeable
	Frozen water volume			m3/h		6.1
	Inlet and outlet water pipe diameter					DN40
water pump	power		kw			0.37
	Head		M			20.5
	Flow rate		m³/H			2
water pump	power		kw			2.2
	Head		M			100
	Flow rate		m³/H			4
Security	Compressor overheat protection, overcurrent protection, high and low pressure protection, over-temperature protection, flow protection, phase sequence/phase loss protection, exhaust overheat protection, anti-freeze protection.
Temperature control range						Adjustable from 5°C to 25°C
Dimensions	L		mm			1460
	W		mm			800
	H		mm			1780
Weight	KG					520
Explanation	1. The minimum outlet temperature can be adjusted to 5 degrees Celsius
	2. The medium on the freezing side of the unit must be water

4. Supersonic flame spray gun

LD2700 supersonic flame spray gun, equipped with manual and machine card dual-purpose spray gun, working gas is oxygen, propane; The weight of the spray gun is about 2Kg; Spraying particle velocity≥400m/s . The spray gun can work stably for a long time.

LD2700 gun parameters

NO.	Projects	Basic parameters
1	Flame speed	2100m/s
2	Flame temperature	2700℃
3	Powder particle speed	400~650m/s
4	Cooling method	Water cooling
5	Cooling water flow	9.5L/min
6	Coating porosity	≤3%
7	Coating bond strength	≥65MPa
8	Spray powder range	5-45μm
9	Gas (propane) pressure and flow	0.62-0.65 MPa 88L/min
10	Oxygen pressure and flow	1.1-1.2 MPa 305L/min
11	Air pressure and flow	0.72-0.75 MPa 440L/min
12	Nitrogen pressure and flow	1.1-1.3 MPa 18 L/min
13	Hydrogen pressure	0.32-0.35 MPa
14	Gun dimensions	420×230×50
15	Gun weight	2.8Kg

Petrochemical and energy equipment

In the petrochemical industry, LH-3000 is used for the preparation of anti-corrosion and wear-resistant coatings for ball valves, pipes, impellers, rollers and other equipment.

Mechanical manufacturing and industrial parts repair

The equipment is widely used in surface repair and function strengthening of industrial parts such as hydraulic rod, drawing wheel, mould and agricultural machinery cutter. Its modular design supports fast switching of spraying materials. Combined with the layer-by-layer scanning technology of the manipulator, it can realize uniform spraying of complex curved surfaces, significantly reducing production downtime and maintenance costs.

Power and new energy battery manufacturing

In the lithium battery industry, LH-3000 is used for manufacturing and maintenance of battery pole piece coating equipment, ensuring coating uniformity through high-precision powder feeding control, and improving battery energy density and cycle life. In addition, its environmentally friendly design can reduce harmful gas emission during spraying and meet the green production requirements of the new energy industry.

Environmental protection and functional surface treatment

The equipment supports customized spraying of anti-corrosion, high temperature resistance and thermal insulation coating, which is applied to surface treatment of environmental protection equipment and functional materials.

Product Operate Guide

Manual mode: adjust the spray gun angle through the handheld operating handle, trigger the spray button, and observe the powder flow and flame temperature curve on the HMI in real time.

Automatic mode: call preset program, the mechanical arm moves according to the planned path, and the equipment synchronously adjusts spraying parameters).

Process monitoring: when the feedback deviation of the coating thickness detector is>5%, the system will automatically pause and prompt to calibrate the spraying distance; If the flame temperature drops suddenly>100 ℃, immediately cut off the gas supply and start nitrogen purging.

Q: What are the main application areas?

A: It has been successfully applied to wear-resistant coating of aero-engine blade, anti-corrosion treatment of oil drill pipe, ultra-hard coating of semiconductor wafer carrier, etc.

Q: Can automated production lines be adapted?

A: Support seamless connection between PLC control system and mechanical arm, and realize intelligent control of the whole process through 3D model coordinate file. The feeding speed at the corner is automatically reduced by 10% to avoid coating accumulation, and the processing accuracy is ± 0.05mm.

Q: Is it suitable for high melting point materials (e.g. zirconia)?

A: Stable spraying of ceramic materials with melting point>2500 ° C can be achieved by changing the high temperature resistant coating nozzle and increasing the nitrogen flow by 20%. Dry the powder in 120 ℃ oven for 2 hours before spraying to avoid the risk of deflagration caused by moisture.