pressure wood treatment equipment

Types of pressure wood treatment equipment

The pressure wood treatment equipment is used to maintain and treat wood under high pressure. Five common types of pressure wood treatment equipment are pressure cylinders, pressure vessels, full-cell process tanks, empty-cell process tanks, and vacuum-pressure cylinders.

• Pressure cylinders: It is a large vertical or horizontal cylinder made from steel that can treat wood under high pressure. In the pressure cylinder, air is removed from the wood by creating a vacuum. Then, a wood preservative is injected under high pressure to ensure deep penetration into the wood. The size of the pressure cylinder that people choose will depend on the scale of their wood treatment operations and the size of the wood they want to treat.
• Pressure vessels: Compared with pressure cylinders, pressure vessels have a larger diameter but shorter lengths. The pressure vessels can create uniform treatment for large quantities of wood. So, they are suitable for high-volume wood treatment industries. The design of the pressure vessel also helps to maintain the high-pressure treatment environment and ensures the effective wood preservative penetration into the wood.
• Full-cell process tanks: In这种 pressure wood treatment equipment, the full cell method is used to treat wood. In the full cell method, wood is immersed in the preservative under pressure. It helps to ensure that wood is fully infused with the preservative, consequently, maximizing the durability and longevity of the treated wood.
• Empty-cell process tanks: The empty-cell method tanks are opposite to the full-cell tanks. The empty-cell method involves creating a vacuum in the tank, which extracts air and moisture from the wood. Then, a wood preservative is injected into the empty space under pressure. Although the empty-cell method uses less preservative than the full-cell methods, it can reduce the treatment cost and environmental impact of wood treatment.
• Vacuum-pressure cylinders: This equipment uses the vacuum-pressure cycle to treat wood. First, a vacuum is created to remove air from the wood, and then a wood preservative is injected into the cylinder under pressure. The vacuum-pressure cylinders are multifunctional. They can be used for wood drying as well as wood treatment.

Specifications and maintenance of pressure wood treatment equipment

Specifications

• Capacity: The capacity of pressure treatment equipment wood refers to the amount of wood material that can be treated in a single batch. This is typically represented in cubic feet or cubic meters.
• Overall Dimension: The overall dimension is the size of the wood pressure treatment equipment. It includes length, width, and height, and it is usually represented in inches or millimeters. The overall dimension will affect the placement and installation of the equipment at the site.
• Vacuum Pump: A wood vacuum pressure treatment machine usually includes a vacuum pump. The function of the vacuum pump is to produce a vacuum state in the treatment chamber to remove air from the wood and promote the penetration of preservatives into the wood.
• Power: Power refers to the power required for functioning of pressure wood treatment equipment. Power is usually expressed in kilowatts (kW) or horsepower (HP).
• Treatment Chamber: The treatment chamber is the key component of pressure treatment equipment. It is a sealed container that provides a pressure or vacuum environment for treating wood materials.

Maintenance

• Regular inspection: Check the pressure wood treatment equipment regularly, such as major vacuum pumps or pressure pumps to ensure there are no signs of damage or air leakage and that the valves, pipes, and seals are in proper working condition.
• Clean treatment chamber: Clean the wood preservative residue from the pressure chamber and fittings sealing strips of the treatment chamber after each use to avoid cross-contamination of different preservative treatments.
• Maintain vacuum pumps and pressure pumps: Maintain vacuum pumps and pressure pumps for wood treatment by cleaning, lubricating, and regularly checking the functions of their parts. Replace damaged or deformed hoses and ensure the connections of the electrical circuit are secure.
• Regularly check oil and filters of pressure pumps: The oil and filters of pressure pumps should be checked periodically in accordance with the manufacturer’s instructions. Ensure that the oil level is appropriate, clean, and working efficiently.
• Calibration: Calibrate the pressure sensor and vacuum gauge in pressure wood treatment equipment regularly to ensure accuracy, and check operating pressure and vacuum values to ensure the equipment is in the prescribed treatment range.
• Clean the environment: The surrounding environment of pressure wood treatment equipment should be kept clean, and flammable materials should be avoided to reduce safety risks.
• Regular maintenance: Inspect and maintain the electrical systems and components of pressure treatment equipment, including circuits, contactors, and relays, etc. Ensure the electrical connections are reliable and operating properly.
• Dust removal: Use vacuum cleaners or dust removal equipment to clean the dust and wood scraps around pressure wood treatment equipment to prevent equipment malfunctions or fire hazards.

Scenarios in pressure wood treatment equipment

The pressure wood treatment equipment is useful in various industries. Below are some of the common application areas for pressure wood treatment equipment.

• Wood processing industry

  The wood processing industry is the main user of wood treatment equipment. Companies use it to preserve different types of wood. For instance, they use it to improve the durability of wood that comes from treated trees. Additionally, the equipment increases the wood’s value in the market. Businesses use it to curb common problems like decay, rot, and insect infestation. They sell the treated wood for various applications, including construction, furniture making, landscaping, and agricultural use.

• Construction industry

  The construction industry utilizes treated wood with pressure equipment. Builders use pressure-treated wood to make structures that last and require minimal maintenance. For instance, treated wood is ideal for high-moisture areas like bathrooms, kitchens, and outdoor spaces. Also, treated wood is suitable for ground contact, such as posts, decks, and framing. The wood is protected from premature failure by rot or insect damage, increasing the lifespan of the structure.

• Landscaping and horticulture

  Wood treatment equipment with pressure is useful in landscaping and horticulture. The treated wood makes garden beds, planter boxes, and outdoor decorative structures like arbors and trellises. Treated wood withstands the harsh elements for a long period in outdoor landscaping. Therefore, it is the preferred choice for landscaping professionals and gardening enthusiasts.

• Packaging and transportation

  The packaging and transportation industry uses wood treatment equipment under pressure to create strong and durable wooden crates, pallets, and boxes. These tiny wooden containers protect cargo during long journeys and handling. Additionally, the wood takes on extra preservatives to withstand repeated use and cleaning for standardized packaging.

How to Choose Pressure wood treatment equipment

When buying pressure wood treatment equipment for sale, buyers should consider some features for the benefitting purchasing decision.

• Capacity

  Before purchasing wood treatment equipment, it's essential to evaluate the required capacity. The capacity determines the volume of wood processed in a single cycle. Compare the different batch sizes and tank sizes for each equipment type. Select the capacity that matches the intended wood preservation volume.

• The wood treatment cylinder design

  The pressure treatment cylinder features different designs to accommodate various wood shapes and sizes. When selecting the equipment, choose a cylinder design that matches the commonly used wood dimensions in the intended application. Consider factors like airflow and the ease of loading/unloading the treated wood.

• Pneumatic/hydraulic pump

  The wood treatment equipment pressure is achieved using either a pneumatic or a hydraulic pump. Both options have performance and maintenance implications. Assess the available air compressor capacity for the pneumatic pump. Alternatively, evaluate the hydraulic system's suitability for the project needs.

• Construction material

  The construction material of the treatment tank and cylinder impacts durability and resistance to chemicals. Corrosion-resistant stainless steel offers long-term use without degradation. However, carbon steel provides a cost-effective option with appropriate coating for chemical resistance.

• Treated wood handling system optional

  Some vendors offer additional systems for managing the wood that requires treatment. These handling systems simplify the loading and unloading of wood. They also enhance the production flow. When selecting the right pressure treatment equipment, consider if an optional treated wood handling system would add to operational efficiency.

Pressure wood treatment equipment FAQ

Q1: What chemical is used in the pressure wood treatment process?

A1: One of the most common chemicals used in pressure wood treatment is chromated copper arsenate (CCA). However, there are numerous alternatives to CCA, such as alkaline copper quaternary (ACQ), copper azole (CA), and zinc borate.

Q2: How long does pressure treated wood last?

A2: Normally, pressure treated wood can last for at least 20 to 30 years. If stored in an unfavorable outdoor environment, it may degrade faster.

Q3: What types of woods are usually used in wood treatment equipment?

A3: Softwoods such as pine, fir, and spruce are the most popular choices for wood treatment. They are often used in structures like decks, fences, and outdoor furniture.

Q4: Is pressure treated wood waterproof?

A4: Yes, pressure-treated wood has excellent water resistance. This is one of the reasons it is often used for outdoor applications exposed to moisture and water.