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Product Overview
This Moisture-Resistant Board Dedicated Continuous Flat-Press Machine is a high-end panel production equipment integrated with advanced humidity control technology. It is specifically designed to manufacture highly stable, high-performance moisture-resistant boards with a strict humidity level of less than 3%. Through precise continuous flat-pressing process and an intelligent control system, this equipment fundamentally addresses the core issues of traditional boards, such as warping, swelling, and mold in humid environments, delivering exceptional product quality and production efficiency for you.
Working Principle
The Moisture-Resistant Board Dedicated Continuous Flat-Press Machine operates based on the principle of continuous flat-press hot pressing. The prepared mat with high initial moisture content first enters a preheating zone, where some moisture and volatiles are initially removed under lower pressure and temperature. Subsequently, the mat enters the main hot-pressing zone, where it is subjected to a combination of high temperature (typically 180-220°C) and high pressure (typically 2-5 MPa). This action plasticizes the lignin in the mat and forms strong bonds between cellulose fibers. Simultaneously, a precisely controlled exhaust and dehumidification system promptly removes the generated steam, rapidly reducing the mat's moisture content to the target value (<3%) and permanently setting its form. Finally, the board gradually cools down in the cooling zone, stabilizing its internal structure before being continuously discharged. Throughout the entire process, the precise and coordinated control of temperature, pressure, and feed speed (i.e., pressing time) is the key to achieving the core low-humidity indicator.
What is the Moisture-Resistant Board Dedicated Continuous Flat-Press Machine Like?
The Moisture-Resistant Board Dedicated Continuous Flat-Press Machine is a high-tech, automated large-scale panel production equipment specifically designed for manufacturing boards with exceptional moisture resistance. Unlike traditional intermittent presses (which press one board at a time), it produces boards continuously, like a "board production assembly line."
Its core characteristics are:
Dedication: Its design and processes are optimized for moisture-resistant boards, differing from standard presses in terms of raw material adaptation, adhesive curing, and humidity control.
Continuity: The mat enters continuously from one end, and the pressed board is discharged continuously from the other, resulting in extremely high production efficiency and uniform, stable product quality.
Precise Control: It integrates advanced sensors and computer systems capable of millisecond-level precise adjustment of parameters like temperature, pressure, and speed. This is the technical prerequisite for achieving the <3% low moisture content.
High Efficiency and Energy Saving: Continuous operation reduces energy loss from frequent start-stop cycles typical of traditional presses, and often incorporates heat recovery systems.
In simple terms, it doesn't just "press" the board; it is a precise "drying and setting" system that ensures every part of the board meets the strict low-humidity standard.
What are its Main Components?
This massive machine primarily consists of the following core systems:
1. Steel Belt System: Like two giant "conveyor belts," made of high-temperature resistant, high-strength alloy steel belts, responsible for carrying the mat and moving it smoothly and continuously between the hot plates.
2. Hot Plate System: The "heart" of the press. Composed of dozens of large hot plates arranged in series, with internal channels for thermal oil or high-temperature steam to provide uniform heat to the mat. Hydraulic cylinders above apply immense pressure.
3. Hydraulic System: Provides powerful, stable, and precisely adjustable pressure for the hot plates, serving as the power source for forming the board and achieving high density.
4. Heating System: Usually a thermal oil heater or steam boiler, acting as the "boiler room" for the entire press, providing a stable and reliable heat source.
5. Feeding and Forming System: Located at the press inlet, responsible for evenly spreading the wood raw materials mixed with adhesive and water repellent into a mat of consistent thickness and smoothly feeding it onto the steel belt.
6. Discharge and Sawing System: At the press outlet, it automatically cuts the continuous board strip into panels of required length and facilitates cooling.
7. Automatic Control System: The "brain" of the entire equipment. Typically consisting of a PLC and an industrial computer, allowing operators to set and monitor all parameters via a touchscreen, ensuring precise process execution.
8. Moisture Monitoring and Exhaust System (Key Component): This is crucial for moisture-resistant board production. It includes online moisture sensors integrated within the press and powerful vacuum exhaust units to monitor mat moisture in real-time and rapidly remove the generated steam.
How is the "Humidity <3%" Achieved?
Achieving the <3% moisture target is the result of precise coordination between raw materials, adhesive, equipment, and process, with the continuous flat-press being the core platform for implementing this process. The procedure can be broken down as follows:
Step 1: Preparation - Laying the Foundation
Raw Material Drying: Raw materials like chips and fibers are dried to a low moisture content (e.g., 2-4%) before entering the press, laying the groundwork for deep dewatering.
Adding Water Repellent: Efficient water repellents like paraffin emulsion are mixed in during blending. These fine wax particles coat the fiber surfaces, forming a hydrophobic layer.
Step 2: Precise "Baking" and Dehydration inside the Press - The Core Stage
This is where the continuous flat-press excels. The mat undergoes a precisely zoned and controlled process as it passes through the long press:
1. Preheating Zone: The mat enters the initial section of the press, where it is preheated under relatively lower temperature and pressure, allowing internal moisture to heat evenly in preparation for massive evaporation.
2. Evaporation and Exhaust Zone (The Most Critical Stage):
The mat enters the main pressing zone with high temperature and pressure, causing internal water to instantly vaporize.
Meanwhile, the press's powerful vacuum exhaust system activates, creating a negative pressure on both sides of the mat, forcefully and rapidly extracting the steam like a "vacuum cleaner."
This is key to preventing steam from re-condensing inside the board! If steam is not removed, it remains trapped, condensing back into water upon cooling, leading to excess moisture.
3. Curing and Setting Zone: After most moisture is removed, sustained high temperature and pressure allow the adhesive (e.g., melamine-modified urea-formaldehyde resin) to fully cure, bonding the fibers firmly into a dense, low-porosity, stable structure that is harder for moisture to penetrate.
4. Cooling Zone: The board gradually cools under pressure, allowing its internal structure and moisture content to stabilize.
Step 3: Continuous Monitoring - Intelligent Assurance
Online moisture sensors inside the press provide real-time data feedback to the control system. If a deviation from the target moisture level is detected, the system automatically fine-tunes parameters like temperature, pressure, or speed to ensure the final product's moisture content remains stably within the <3% range.
Summary:
Achieving <3% moisture content essentially involves creating a controlled environment of "high temperature, high pressure, and strong exhaust" within the continuous flat-press to achieve rapid deep dehydration and permanent setting of the mat. It is not merely passive pressing but an active and precise management of the moisture migration and removal process inside the mat.
Key Technical Parameters
Nominal Pressure: Typically 20,000 - 60,000 kN
Maximum Working Pressure: Typically 3 - 6 MPa
Hot Plate Temperature: Up to 240 °C
Belt Speed / Pressing Line Speed: Adjustable, typically in the range of 50 - 800 mm/s
Producible Board Thickness: Typically 2 - 40 mm
Producible Board Width: Common specifications are 1300 - 2600 mm
Target Final Average Moisture Content: ≤ 3%
Installed Power: Typically 500 - 1500 kW, depending on equipment size
Control Accuracy: Temperature control accuracy ±1 °C, Pressure control accuracy ±0.1 MPa
Core Technologies and Advantages
1. Precise Humidity Control (<3%): The equipment integrates high-precision humidity sensors and an intelligent feedback system to monitor and adjust the board's humidity in real-time during the hot-pressing process. This ensures the core humidity of the finished board is stably controlled below 3%, achieving excellent moisture resistance and dimensional stability.
2. Continuous Flat-Pressing Process: Unlike intermittent hot presses, the continuous flat-pressing technology enables uninterrupted production. The board moves at a constant speed through press plates with uniform pressure and temperature, ensuring extremely even density distribution, consistent internal and external structure, and superior surface flatness.
3. Advanced Heating and Pressure System: Equipped with multi-zone heating plates and a hydraulic system, it allows for independent programming of temperature and pressure for different pressing stages (preheating, compression, curing, shaping). This ensures optimal adaptation to various raw materials (e.g., wood, straw) and product specifications.
4. High Efficiency and Energy Saving: Continuous production minimizes energy loss caused by frequent start-stop cycles of intermittent presses. A heat recovery system reuses waste heat, significantly reducing energy consumption and production costs per unit.
5. Intelligent Human-Machine Interface (HMI): Features a central control system with a large touchscreen, allowing operators to easily set and monitor all process parameters. The system includes fault diagnosis, production data logging, and remote assistance functions, greatly enhancing operational convenience and equipment maintainability.
Main Applications
Furniture Manufacturing: For producing boards for kitchens, bathrooms, laboratories, and other furniture requiring high moisture resistance.
Interior Decoration: For manufacturing cabinets, vanity units, partition walls, and floor substrates.
Construction Industry: For producing high-performance construction formwork and boards for temporary buildings.
Other Industrial Fields: For special industrial boards requiring high dimensional stability and moisture resistance.
For more information, welcome contact us, we will reply you quickly and offer working videos with you.
Whatsapp: +8618769900191 +8615589105786 +8618954906501
Email: osbmdfmachinery@gmail.com
Product Overview
This Moisture-Resistant Board Dedicated Continuous Flat-Press Machine is a high-end panel production equipment integrated with advanced humidity control technology. It is specifically designed to manufacture highly stable, high-performance moisture-resistant boards with a strict humidity level of less than 3%. Through precise continuous flat-pressing process and an intelligent control system, this equipment fundamentally addresses the core issues of traditional boards, such as warping, swelling, and mold in humid environments, delivering exceptional product quality and production efficiency for you.
Working Principle
The Moisture-Resistant Board Dedicated Continuous Flat-Press Machine operates based on the principle of continuous flat-press hot pressing. The prepared mat with high initial moisture content first enters a preheating zone, where some moisture and volatiles are initially removed under lower pressure and temperature. Subsequently, the mat enters the main hot-pressing zone, where it is subjected to a combination of high temperature (typically 180-220°C) and high pressure (typically 2-5 MPa). This action plasticizes the lignin in the mat and forms strong bonds between cellulose fibers. Simultaneously, a precisely controlled exhaust and dehumidification system promptly removes the generated steam, rapidly reducing the mat's moisture content to the target value (<3%) and permanently setting its form. Finally, the board gradually cools down in the cooling zone, stabilizing its internal structure before being continuously discharged. Throughout the entire process, the precise and coordinated control of temperature, pressure, and feed speed (i.e., pressing time) is the key to achieving the core low-humidity indicator.
What is the Moisture-Resistant Board Dedicated Continuous Flat-Press Machine Like?
The Moisture-Resistant Board Dedicated Continuous Flat-Press Machine is a high-tech, automated large-scale panel production equipment specifically designed for manufacturing boards with exceptional moisture resistance. Unlike traditional intermittent presses (which press one board at a time), it produces boards continuously, like a "board production assembly line."
Its core characteristics are:
Dedication: Its design and processes are optimized for moisture-resistant boards, differing from standard presses in terms of raw material adaptation, adhesive curing, and humidity control.
Continuity: The mat enters continuously from one end, and the pressed board is discharged continuously from the other, resulting in extremely high production efficiency and uniform, stable product quality.
Precise Control: It integrates advanced sensors and computer systems capable of millisecond-level precise adjustment of parameters like temperature, pressure, and speed. This is the technical prerequisite for achieving the <3% low moisture content.
High Efficiency and Energy Saving: Continuous operation reduces energy loss from frequent start-stop cycles typical of traditional presses, and often incorporates heat recovery systems.
In simple terms, it doesn't just "press" the board; it is a precise "drying and setting" system that ensures every part of the board meets the strict low-humidity standard.
What are its Main Components?
This massive machine primarily consists of the following core systems:
1. Steel Belt System: Like two giant "conveyor belts," made of high-temperature resistant, high-strength alloy steel belts, responsible for carrying the mat and moving it smoothly and continuously between the hot plates.
2. Hot Plate System: The "heart" of the press. Composed of dozens of large hot plates arranged in series, with internal channels for thermal oil or high-temperature steam to provide uniform heat to the mat. Hydraulic cylinders above apply immense pressure.
3. Hydraulic System: Provides powerful, stable, and precisely adjustable pressure for the hot plates, serving as the power source for forming the board and achieving high density.
4. Heating System: Usually a thermal oil heater or steam boiler, acting as the "boiler room" for the entire press, providing a stable and reliable heat source.
5. Feeding and Forming System: Located at the press inlet, responsible for evenly spreading the wood raw materials mixed with adhesive and water repellent into a mat of consistent thickness and smoothly feeding it onto the steel belt.
6. Discharge and Sawing System: At the press outlet, it automatically cuts the continuous board strip into panels of required length and facilitates cooling.
7. Automatic Control System: The "brain" of the entire equipment. Typically consisting of a PLC and an industrial computer, allowing operators to set and monitor all parameters via a touchscreen, ensuring precise process execution.
8. Moisture Monitoring and Exhaust System (Key Component): This is crucial for moisture-resistant board production. It includes online moisture sensors integrated within the press and powerful vacuum exhaust units to monitor mat moisture in real-time and rapidly remove the generated steam.
How is the "Humidity <3%" Achieved?
Achieving the <3% moisture target is the result of precise coordination between raw materials, adhesive, equipment, and process, with the continuous flat-press being the core platform for implementing this process. The procedure can be broken down as follows:
Step 1: Preparation - Laying the Foundation
Raw Material Drying: Raw materials like chips and fibers are dried to a low moisture content (e.g., 2-4%) before entering the press, laying the groundwork for deep dewatering.
Adding Water Repellent: Efficient water repellents like paraffin emulsion are mixed in during blending. These fine wax particles coat the fiber surfaces, forming a hydrophobic layer.
Step 2: Precise "Baking" and Dehydration inside the Press - The Core Stage
This is where the continuous flat-press excels. The mat undergoes a precisely zoned and controlled process as it passes through the long press:
1. Preheating Zone: The mat enters the initial section of the press, where it is preheated under relatively lower temperature and pressure, allowing internal moisture to heat evenly in preparation for massive evaporation.
2. Evaporation and Exhaust Zone (The Most Critical Stage):
The mat enters the main pressing zone with high temperature and pressure, causing internal water to instantly vaporize.
Meanwhile, the press's powerful vacuum exhaust system activates, creating a negative pressure on both sides of the mat, forcefully and rapidly extracting the steam like a "vacuum cleaner."
This is key to preventing steam from re-condensing inside the board! If steam is not removed, it remains trapped, condensing back into water upon cooling, leading to excess moisture.
3. Curing and Setting Zone: After most moisture is removed, sustained high temperature and pressure allow the adhesive (e.g., melamine-modified urea-formaldehyde resin) to fully cure, bonding the fibers firmly into a dense, low-porosity, stable structure that is harder for moisture to penetrate.
4. Cooling Zone: The board gradually cools under pressure, allowing its internal structure and moisture content to stabilize.
Step 3: Continuous Monitoring - Intelligent Assurance
Online moisture sensors inside the press provide real-time data feedback to the control system. If a deviation from the target moisture level is detected, the system automatically fine-tunes parameters like temperature, pressure, or speed to ensure the final product's moisture content remains stably within the <3% range.
Summary:
Achieving <3% moisture content essentially involves creating a controlled environment of "high temperature, high pressure, and strong exhaust" within the continuous flat-press to achieve rapid deep dehydration and permanent setting of the mat. It is not merely passive pressing but an active and precise management of the moisture migration and removal process inside the mat.
Key Technical Parameters
Nominal Pressure: Typically 20,000 - 60,000 kN
Maximum Working Pressure: Typically 3 - 6 MPa
Hot Plate Temperature: Up to 240 °C
Belt Speed / Pressing Line Speed: Adjustable, typically in the range of 50 - 800 mm/s
Producible Board Thickness: Typically 2 - 40 mm
Producible Board Width: Common specifications are 1300 - 2600 mm
Target Final Average Moisture Content: ≤ 3%
Installed Power: Typically 500 - 1500 kW, depending on equipment size
Control Accuracy: Temperature control accuracy ±1 °C, Pressure control accuracy ±0.1 MPa
Core Technologies and Advantages
1. Precise Humidity Control (<3%): The equipment integrates high-precision humidity sensors and an intelligent feedback system to monitor and adjust the board's humidity in real-time during the hot-pressing process. This ensures the core humidity of the finished board is stably controlled below 3%, achieving excellent moisture resistance and dimensional stability.
2. Continuous Flat-Pressing Process: Unlike intermittent hot presses, the continuous flat-pressing technology enables uninterrupted production. The board moves at a constant speed through press plates with uniform pressure and temperature, ensuring extremely even density distribution, consistent internal and external structure, and superior surface flatness.
3. Advanced Heating and Pressure System: Equipped with multi-zone heating plates and a hydraulic system, it allows for independent programming of temperature and pressure for different pressing stages (preheating, compression, curing, shaping). This ensures optimal adaptation to various raw materials (e.g., wood, straw) and product specifications.
4. High Efficiency and Energy Saving: Continuous production minimizes energy loss caused by frequent start-stop cycles of intermittent presses. A heat recovery system reuses waste heat, significantly reducing energy consumption and production costs per unit.
5. Intelligent Human-Machine Interface (HMI): Features a central control system with a large touchscreen, allowing operators to easily set and monitor all process parameters. The system includes fault diagnosis, production data logging, and remote assistance functions, greatly enhancing operational convenience and equipment maintainability.
Main Applications
Furniture Manufacturing: For producing boards for kitchens, bathrooms, laboratories, and other furniture requiring high moisture resistance.
Interior Decoration: For manufacturing cabinets, vanity units, partition walls, and floor substrates.
Construction Industry: For producing high-performance construction formwork and boards for temporary buildings.
Other Industrial Fields: For special industrial boards requiring high dimensional stability and moisture resistance.
For more information, welcome contact us, we will reply you quickly and offer working videos with you.
Whatsapp: +8618769900191 +8615589105786 +8618954906501
Email: osbmdfmachinery@gmail.com
