Innovation in welding technology of Luyu loaders

 The introduction of robotic welding capabilities for wheel loaders provides a more efficient and precise production method for loader manufacturing. China's loader welding technology has developed significantly in recent years. The heavy machinery industry, in particular, has continued to catch up with the international advanced level in welding technology.

Innovation in welding technology of Luyu loaders

To ensure the stability and excellence of weld quality, we adopt Panasonic intelligent robot welding.

Before welding Robot first ultrasonic flaw detection, check the steel plate, if the steel plate has damage, Robot will stop and issue an alarm.

Luyu stipulate that Robot carries out two welding passes and the weld seam should be 1cm wide.

Advantages of LUYU loader welding technology

• Enhance product quality: Through precise welding technology, we ensure that each weld achieves the optimum welding quality, which enhances the overall quality of the product. robot welding process does not jitter, so there is no false welding, thus ensuring that the weld seam is flat and smooth.

• Enhanced safety: Reduces the need for operators to perform welding operations in high-risk environments, thereby reducing the risk of workplace accidents.

• Enhanced productivity: The automated welding process speeds up production, shortens the delivery cycle, and improves the market competitiveness of the enterprise. LUYU's shipping speed has been recognized by customers.

  
  

Chinese loader manufacturers commonly adopt digital control and intelligent welding systems to monitor the welding process and ensure consistent welding quality. LUYU uses high alloy wire and advanced welding filler materials to improve the wear and corrosion resistance of the welded joints.

Models and categories of Luyu excavators

 Luyu offers mini excavators,crawler excavators and wheel excavators. They are equipped with powerful powertrains for a wide range of applications. Easy to cope with a wide range of conditions and operations.

Mini Excavators

Mini excavators are Luyu's most popular excavator category. The common 1ton excavators, 2ton and 3ton excavators are popular models that are preferred around the world. Mini excavators are short tailed and compact. They are especially suitable for home use. Our mini excavators have various certificates and patents.

Crawler Excavators

Compared with wheeled excavators, tracked excavators offer greater stability and off-road capability for a variety of complex terrains, such as mud, mountains and mining areas.We use Cummins or Kubota engines.And it can be paired with a variety of excavator attachment. We support customization.

1. Adapt to the global product quality standard system; the standard system certifies the ROPS and FOPS systems.

2. Adopting international famous brand engines, Cummins and Kubota. Strong power to meet the inherent power requirements of special working conditions, higher efficiency, energy saving and environmental protection.

3. The hydraulic system adopts full-power variable control system, automatic idling function and load-sensitive system.

4. The self-developed engine arm bucket with three levels of functionality, and layered control of the whole process from design, discharging, assembling, welding, flaw detection, and machining, ensures the high reliability of structural parts.

Wheel Excavators

Wheeled excavators are more maneuverable than tracked excavators. Suitable for working on hard surfaces. Faster traveling speed than tracked excavators. Can be fitted with different attachments such as buckets, breakers, grapples, etc., suitable for a wide range of construction needs. Lower fuel consumption than crawler excavators, suitable for small and medium-sized projects.

• Urban construction - Suitable for municipal engineering, road construction, building construction, etc.

• Road Maintenance - Used for excavation, filling and breaking up road surfaces, especially suitable for narrow streets.

• Agricultural construction - for field ditch excavation, land preparation and other agricultural infrastructure.

• Landscaping - for tree transplantation, garden earthwork construction, etc.

• Material Handling - Suitable for loading and unloading of materials in yards and harbors.

LUYU 1 Ton excavator

 LUYU 1 Ton excavator

Due to its small size, high flexibility, low initial investment cost and other advantages, mini excavator plays a vital role in municipal engineering, housing construction, road construction and other working conditions. The LUYU LY10pro excavator brought to you today integrates multiple advantages such as high efficiency, low energy consumption and easy maintenance.

First of all, LY10pro provides three flexible working modes Intelligent, Fuel Saving and Powerful and this design greatly meets the needs of different operating scenarios. Intelligent mode automatically adjusts the power output according to the load condition to ensure maximum energy utilization; Fuel Saving mode reduces fuel consumption and operating costs by lowering the engine speed; and Power mode is designed for the pursuit of the highest productivity to ensure that it can also work well under heavy loads.

In terms of maintenance costs, the LY10pro also demonstrates its unique design concept. By extending the service life of hydraulic and air filters and eliminating unnecessary filter parts, maintenance costs have been reduced by up to 20%. At the same time, most routine maintenance can be done on the ground, reducing downtime and labor costs.

    

Performancewise, the LY10pro is also not to be underestimated. The perfect synchronization of optional engines such as Yanmar and Cummins with the electro-hydraulic system ensures efficient and low-consumption operational performance and compliance with EU emission standards. The new main hydraulic pump adopts electronic control, which improves the fluid flow and control precision, significantly enhancing the digging force and productivity. The strengthened boom, bucket and bucket linkage, and the redesigned slewing drive system all contribute to the machine's powerful operating capabilities.

The cab design also reflects LUYU's humanization concept. The spacious and bright cab, together with the high-resolution touch screen monitor, allows the operator to easily grasp the status of the machine and real.

Phosphorus Flotation Process: Extracting Value from Phosphate Ores

 The phosphorus flotation process is a mineral processing technique used to separate valuable phosphate minerals from gangue minerals and other impurities in phosphate ore. Phosphorus is an essential element for plant and animal growth, making phosphate minerals valuable for agricultural and industrial applications. The flotation process is widely used in the beneficiation of phosphate ores to produce high-grade phosphate concentrates.

The phosphorus flotation process typically involves the following steps:

1. Ore Preparation: The phosphate ore is first crushed and ground to a suitable particle size to facilitate the liberation of valuable phosphate minerals from the gangue minerals.

2. Conditioning: The ground ore is then mixed with water and various reagents, including collectors, frothers, and modifiers. Collectors are chemicals that selectively attach to the surfaces of phosphate minerals, making them hydrophobic (repelling water). Frothers are used to stabilize the froth formed during flotation, while modifiers help control the pH and other properties of the slurry.

3. Flotation: The conditioned slurry is introduced into a flotation cell or tank, where air is bubbled through the mixture. The hydrophobic phosphate minerals attach to the air bubbles and rise to the surface, forming a froth layer. The gangue minerals, which are hydrophilic (attracted to water), remain in the bulk of the slurry.

4. Froth Removal: The froth containing the valuable phosphate minerals is skimmed off the top of the flotation cell and collected as a concentrate. The concentrate typically contains a higher concentration of phosphate minerals and is further processed to obtain the final product.

5. Tailings Disposal: The gangue minerals and other impurities that do not float to the surface are left behind in the flotation cell and form a waste product called tailings. Tailings are usually disposed of in tailings ponds or other suitable facilities.

6. Dewatering and Filtering: The collected concentrate is often subjected to dewatering and filtering to reduce its moisture content and facilitate handling and transportation.

The specific reagents and conditions used in the phosphorus flotation process can vary depending on the characteristics of the phosphate ore and the desired grade and quality of the final product. Additionally, environmental considerations are important to ensure the responsible management of waste products and the protection of surrounding ecosystems.

How to choose skarn type tungsten ore?

 Laterite ore is a loose clay-like polymer containing nickel oxide, iron oxide, chromium oxide and other elements. Because the ferric iron element rich in it is reddish brown, the overall color of the mine is also reddish brown, that is, laterite mine.

After the laterite is mined, it needs to be beneficiated. Generally, a combination of gravity separation and magnetic separation is used to purify the chromium ore in the laterite:

① Crusher and ball mill are used to crush and grind the raw ore, and the sieved particle size of the processed mineral is 200 mesh.

② The crushed and ground ore is introduced into the hydrocyclone for classification. After classification, the underflow part returns to the crushing and grinding process for secondary grinding to form a closed loop. The overflow part is transferred to the spiral chute for water washing. The flow rate is 9L/min, and the washed ore is divided into heavy and light products. The heavy products enter the next stage, and the light products are discharged as tailings.

③ Roughly select the heavy ore by means of a shaker to obtain rough concentrate and tailings.

④ Use a wet-type drum magnetic separator to select and purify the rough concentrate to obtain qualified chrome concentrate.

Barite beneficiation process and selection of flotation agents

 Barite, also known as baryte, is a naturally occurring mineral composed of barium sulfate (BaSO4). It is commonly used in the oil and gas industry as a weighting agent for drilling fluids, as well as in other industries such as paints, plastics, and rubber.

     The beneficiation process of barite mainly includes crushing, screening, washing, and flotation. The crushing stage usually uses jaw crushers and impact crushers. After crushing, the barite ore is screened and classified according to particle size. The coarse-grained materials are washed with water to remove impurities, and the fine-grained materials are subjected to flotation to obtain high-quality barite concentrate.

     The selection of flotation agents is crucial in the flotation process of barite. The commonly used flotation agents for barite are collectors such as fatty acids, sulfonates, and carboxylates, as well as modifiers such as inorganic and organic substances.

Collectors:

Fatty acids: The commonly used fatty acids are oleic acid, lauric acid, and palmitic acid. Oleic acid is the most widely used collector for barite flotation. However, the selectivity of oleic acid is poor, and it is easy to cause gangue mineral flotation.

Sulfonates: The commonly used sulfonates are petroleum sulfonate, alkyl sulfonate, and aryl sulfonate. They have good selectivity for barite and can effectively separate barite from gangue minerals.

Carboxylates: The commonly used carboxylates are sodium oleate, sodium lauryl sulfate, and sodium dodecylbenzenesulfonate. They have good selectivity for barite, but the collecting power is weaker than that of fatty acids and sulfonates.

Modifiers:

Inorganic modifiers: The commonly used inorganic modifiers are sodium silicate and sodium carbonate. They can activate the barite and improve the selectivity of the collectors.

Organic modifiers: The commonly used organic modifiers are quebracho, tannin, and lignin sulfonate. They can also activate the barite and improve the selectivity of the collectors.

In addition, the pH value of the slurry also affects the flotation of barite. The suitable pH range for barite flotation is 8-9.

Overall, the selection of flotation agents for barite beneficiation should consider the type and content of impurities in the ore, the mineral processing capacity, and the economic benefits. It is necessary to constantly optimize the flotation process and improve the selectivity and recovery rate of barite concentrate.

Bauxite beneficiation process

 Bauxite beneficiation refers to the process of extracting valuable aluminum, silicon, iron, copper and other metals from bauxite and removing other impurities. The beneficiation process includes crushing and homogenization, pulp grinding, pulp flotation, concentrate tailings slurry concentration, concentrate tailings dehydration and other steps.

crushing and homogenization

The crushing and homogenization of bauxite is the first step in beneficiation. The ore is crushed to below -50mm and homogenized into -25mm particles. The homogenized ore has a uniform particle size, which is beneficial to the subsequent beneficiation process.

pulp grinding

The crushed bauxite is sent to a wet ball mill for grinding to make the particle size reach -50mm. The speed of the ball mill and the material of the liner have a great influence on the grinding effect of bauxite.

Slurry flotation

The ground bauxite is sent to Guangyida integrated flotation system for separation to obtain concentrate and tailings. Flotation is the process of separating valuable metals in bauxite from gangue using flotation agents. Guangyida integrated flotation system has the function of automatically adjusting the pulp concentration and flow rate, which can realize efficient flotation.

Concentrate Tailings Slurry Concentration

The resulting concentrate and tailings are concentrated to remove 80% of the water. The concentrated concentrate and tailings are filtered through a filter press to remove the remaining moisture to a moisture content of 13-18% for truck transportation.

Concentrate tailings dehydration

The concentrated concentrate and tailings are filtered through a filter press to remove the remaining moisture and make it 13-18% moisture for vehicle transportation. The water content of dehydrated bauxite is less than 10%, which can be conveniently loaded and transported.

water recovery

All the removed water is collected in the circulating pool for recycling, and the return water utilization rate is 100%.

In summary, the bauxite beneficiation process includes crushing and homogenization, pulp grinding, pulp flotation, concentrate tailings slurry concentration, concentrate tailings dehydration and other steps. Through these steps, valuable metals such as aluminum, silicon, iron, and copper can be extracted from bauxite and other impurities can be removed. During the beneficiation process, it is necessary to pay attention to controlling the particle size, controlling the concentration and flow rate of the pulp, and adjusting the reagents to ensure the quality and output of bauxite.