Industrial Machinery & Equipment

Gas/Oil steam boiler is a highly efficient and energy-saving thermal energy equipment, which mainly generates steam by burning natural gas or fuel oil. Its main parts and accessories include burner, boiler body, control panel, water pump, safety valve, pressure gauge, thermometer, exhaust system and water level controller, etc. These parts work together to ensure that the boiler operates under safe and stable conditions, and are widely used in industrial heating, steam supply and other occasions. Working Principle of Gas/Oil Steam Boiler The working principle of gas/oil steam boiler is based on the combustion of fuel and the conversion of heat energy. The boiler sprays fuel oil or natural gas into the furnace through the burner and ignites it to produce a high- temperature flame. The heat of the flame heats the water through the furnace and smoke pipe, and the water absorbs the heat and turns into steam. The steam is transported to the equipment or system that requires heat energy through the steam outlet pipe inside the boiler. The boiler is equipped with a temperature and pressure control device to ensure that the temperature and pressure of the steam are maintained within the set range to meet different industrial needs. This boiler is suitable for industrial production, heating and hot water supply and other fields, with the characteristics of high efficiency and low pollution.  Equipment Features: Partedon brand Gas/Oil steam boilers are characterized by high efficiency, energy saving, low pollution and convenient operation. Its combustion system uses high-quality burners, which ensures full combustion, low emissions and meets environmental standards. The boiler has high thermal efficiency and adopts advanced heat exchange technology to reduce heat loss. It is equipped with an automatic control system and has multiple safety protection functions such as overpressure, overtemperature and water level, which is easy to operate and reduces maintenance costs. The equipment has a compact structure, small footprint, low operating noise and is suitable for a variety of working conditions. Equipment Use: Partedon Gas/Oil steam boilers are widely used in the industrial field, mainly to provide steam or heat energy for production. Its uses include steam supply in food processing, textile printing and dyeing, papermaking, chemical industry and other industries, and are also used for heating and hot water supply in hospitals, hotels, schools and other buildings. Due to its high energy efficiency and stable operation, it is particularly suitable for applications with large steam demand and high environmental protection requirements, meeting the production needs of various industries. https://www.partedonboiler.com/

Contact us on our WhatsApp: +8615640330516 for best quality of TDP Series Single Punch Tablet Press Machine and Mould Accessories at affordable prices with fast delivery at your doorstep. TDP-6 Single Punch Tablet Press Machine——$650 USD TDP-5 Single Punch Tablet Press Machine—-$550 USD TDP-2 Single Punch Tablet Press Machine—-$350 USD Small Series Single Punch Tablet Press Machine—-$$400 USD Tdp-1.5 Single Punch Tablet Press Machine——$400 USD Tdp Pill/ Candy/ Cartoon Tablet/ Medicine/ Tablet Making Machine/Small Lab Manual Single Punch/ Rotary Tablet Press—-$300 USD Tdp-1.5t/3t/5t/6t Puncing M30 Tablet Stamping Die Pressing Machine Tablet Manual Sugar Pill Pressing Machine—-$450 USD Tdp Milk Candy Pill Press Single Punch Tablet Press Machine——$450 USD 3D Mould Candy Pill Press Mold Hand Press Mold Tablet Press Logo Punch Die for Tdp Machine——$15 USD Custom Round 8mm 12mm Pill Press Mold Pressing Die for Tdp-5 Tdp-6 Tdp-1.5 Tablet Press, Punch Press Mould——$15 USD We sincerely welcome inquiries from small order to bulk order. There is 15% discount for bulk purchase.

Minimum Order: 3 bushels

Contact us on our WhatsApp: +8615640330516 for best quality of TDP Series Single Punch Tablet Press Machine and Mould Accessories at affordable prices with fast delivery at your doorstep. TDP-6 Single Punch Tablet Press Machine——$650 USD TDP-5 Single Punch Tablet Press Machine—-$550 USD TDP-2 Single Punch Tablet Press Machine—-$350 USD Small Series Single Punch Tablet Press Machine—-$$400 USD Tdp-1.5 Single Punch Tablet Press Machine——$400 USD Tdp Pill/ Candy/ Cartoon Tablet/ Medicine/ Tablet Making Machine/Small Lab Manual Single Punch/ Rotary Tablet Press—-$300 USD Tdp-1.5t/3t/5t/6t Puncing M30 Tablet Stamping Die Pressing Machine Tablet Manual Sugar Pill Pressing Machine—-$450 USD Tdp Milk Candy Pill Press Single Punch Tablet Press Machine——$450 USD 3D Mould Candy Pill Press Mold Hand Press Mold Tablet Press Logo Punch Die for Tdp Machine——$15 USD Custom Round 8mm 12mm Pill Press Mold Pressing Die for Tdp-5 Tdp-6 Tdp-1.5 Tablet Press, Punch Press Mould——$15 USD We sincerely welcome inquiries from small order to bulk order. There is 15% discount for bulk purchase.

Minimum Order: 3 bushels

Contact us on our WhatsApp: +8615640330516 for best quality of TDP Series Single Punch Tablet Press Machine and Mould Accessories at affordable prices with fast delivery at your doorstep. TDP-6 Single Punch Tablet Press Machine——$650 USD TDP-5 Single Punch Tablet Press Machine—-$550 USD TDP-2 Single Punch Tablet Press Machine—-$350 USD Small Series Single Punch Tablet Press Machine—-$$400 USD Tdp-1.5 Single Punch Tablet Press Machine——$400 USD Tdp Pill/ Candy/ Cartoon Tablet/ Medicine/ Tablet Making Machine/Small Lab Manual Single Punch/ Rotary Tablet Press—-$300 USD Tdp-1.5t/3t/5t/6t Puncing M30 Tablet Stamping Die Pressing Machine Tablet Manual Sugar Pill Pressing Machine—-$450 USD Tdp Milk Candy Pill Press Single Punch Tablet Press Machine——$450 USD 3D Mould Candy Pill Press Mold Hand Press Mold Tablet Press Logo Punch Die for Tdp Machine——$15 USD Custom Round 8mm 12mm Pill Press Mold Pressing Die for Tdp-5 Tdp-6 Tdp-1.5 Tablet Press, Punch Press Mould——$15 USD We sincerely welcome inquiries from small order to bulk order. There is 15% discount for bulk purchase.

Minimum Order: 3 bushels

Contact us on our WhatsApp: +8615640330516 for best quality of TDP Series Single Punch Tablet Press Machine and Mould Accessories at affordable prices with fast delivery at your doorstep. TDP-6 Single Punch Tablet Press Machine——$650 USD TDP-5 Single Punch Tablet Press Machine—-$550 USD TDP-2 Single Punch Tablet Press Machine—-$350 USD Small Series Single Punch Tablet Press Machine—-$$400 USD Tdp-1.5 Single Punch Tablet Press Machine——$400 USD Tdp Pill/ Candy/ Cartoon Tablet/ Medicine/ Tablet Making Machine/Small Lab Manual Single Punch/ Rotary Tablet Press—-$300 USD Tdp-1.5t/3t/5t/6t Puncing M30 Tablet Stamping Die Pressing Machine Tablet Manual Sugar Pill Pressing Machine—-$450 USD Tdp Milk Candy Pill Press Single Punch Tablet Press Machine——$450 USD 3D Mould Candy Pill Press Mold Hand Press Mold Tablet Press Logo Punch Die for Tdp Machine——$15 USD Custom Round 8mm 12mm Pill Press Mold Pressing Die for Tdp-5 Tdp-6 Tdp-1.5 Tablet Press, Punch Press Mould——$15 USD We sincerely welcome inquiries from small order to bulk order. There is 15% discount for bulk purchase.

Minimum Order: 20 square metres

Contact us on our WhatsApp: +8615640330516 for best quality of TDP Series Single Punch Tablet Press Machine and Mould Accessories at affordable prices with fast delivery at your doorstep. TDP-6 Single Punch Tablet Press Machine——$650 USD TDP-5 Single Punch Tablet Press Machine—-$550 USD TDP-2 Single Punch Tablet Press Machine—-$350 USD Small Series Single Punch Tablet Press Machine—-$$400 USD Tdp-1.5 Single Punch Tablet Press Machine——$400 USD Tdp Pill/ Candy/ Cartoon Tablet/ Medicine/ Tablet Making Machine/Small Lab Manual Single Punch/ Rotary Tablet Press—-$300 USD Tdp-1.5t/3t/5t/6t Puncing M30 Tablet Stamping Die Pressing Machine Tablet Manual Sugar Pill Pressing Machine—-$450 USD Tdp Milk Candy Pill Press Single Punch Tablet Press Machine——$450 USD 3D Mould Candy Pill Press Mold Hand Press Mold Tablet Press Logo Punch Die for Tdp Machine——$15 USD Custom Round 8mm 12mm Pill Press Mold Pressing Die for Tdp-5 Tdp-6 Tdp-1.5 Tablet Press, Punch Press Mould——$15 USD We sincerely welcome inquiries from small order to bulk order. There is 15% discount for bulk purchase.

Minimum Order: 20 square metres

The induction heating and quenching machine tool is one of Duolin complete sets of induction hardening equipment.The Vertical or horizontal machine tool is mainly used to process shafts parts, gear, bar and also can quenching some special workpieces. Technical information It is suitable for matching with high frequency, medium frequency induction power supply.The CNC hardening machine adopts liquid spray cooling method and can meet the general hardening requirements of the manufacture or heat treatment shop.The CNC scanner is servo mechanical drive and automatic quenching process.It is mainly used for metal hardening, but can be also used for annealing or welding heating process, with manual and automatic function, simple operation and easy to handle. Set hardening program parameter, like heating time, cooling time, rotate time, cooling capcacity etc, to get different hardeness and depth layer when parts drawing changed. Induction Hardening Machine Feature 1: Welding and Door frame structure, special design for heavier hardening part 2: Spindle design, ensure the accuracy and load requirements of workpiece rotation. The rotation adopts frequency conversion speed control, which can be manually adjusted or set through the numerical control screen, equipped with position chuck, which can easily clamp workpieces with the largest diameter. 3: Variable frequency speed regulating motor to rotate the quenching part, protect the motor from wet environment 4: The quenching transformer moves through the linear guide rail, and its movement is controlled by the servo motor driven by the lead screw. 5: It can accurately realize the speed change of preheating, heating and heat preservation, and the heating process is set and implemented by the numerical control program to maximize the overall quenching quality of the workpiece 6: Tranformer move by servo motor, position by digital input, accurancy 0.01mm, speed range 150mm/s 7: The CNC system does not require travel switches and time relays. The loading and unloading positions, heating positions, cooling positions and heating distances are all accurately positioned by servo motors. Quenching time, lifting speed, rotation speed, etc. can be directly input and controlled from the CNC panel. 8: More than 60 quenching programs can be stored for users to call at any time. It is especially suitable for complex process requirements such as multi-stage, variable speed and many types of workpieces. 9: Easy to installation and operation, convenient maintenance. The main parts are made of Taiwan mechanical and electrical products, with long service life and low maintenance cost.

Ultrasonic induction heating equipment IGBT inverter used, high efficiency and low energy consumption Can work continuously with 100% duty cycle and set up 100% at any load Can replace convention heating method such as heating by flame coal salt bath gas and oil Work frequency 10-30Khz, power 30-250KW Digital display and compact design, light weight, easy for installation and operation Soft switch technology and prefect protection system enhance good reliability. Can equipped with infrared temperature detection system (Optional) Water cooling system, chiller is available Induction Heating Machine Application For bar end or head preheat before hot forging for bolt nut and fastener produce, below table for reference only. Hardening: For gear shaft pin or other metal parts heating, need to know hardness and depth Brazing long bar thread bar heat treatment Pipe heating for elbow produce, hot bender Why Choose Us? 1. More than 20 years of experience in induction heating industry. 2. Free test for choosing the machine model before purchase. 3. Product design research develop and maintain by the Duolin Engineer team, machine lifetime service. 4. Test the machine as customer heating requirements and aging more than 6 hours to guarantee the good quality. 5. Offer installation manual and troubleshooting guide. 6. Use famous brand components Infineon Omron Schneider to ensure quality of material.

Power: 100--1000KW Work Frequency: 0.5-10Khz Application: For billet partial and total hot forging Turnkey induction heating system, including the induction power supply, heating furnace, water cooling system, automatic steel bar feeding, infrared sensor, bar sorting system, easy to put into hot forging production line. IGBT Induction Heating Machine Technical information 1. Good start up performance: IGBT MF induction power supply apply series resonance technology so it can be starts up 100% under any condition. 2. Less indterface to power grid: Less harmonic current and high power factor, Power factoer remaining 0.95 above during machine running. 3. Low energy consumption: in series resonant circuit,voltage at inductor high and current low so energy loss is very low; Soft switch technology applied then switch loss is very low. 4. Water cooled by heat exchanger: Using distilled water as circulating water to avoid sediment and clog of hose. 5. Good reliability: IGBT is a self turn-off transistor that ensures incersion with suvvess and takes protection instantly; IGBT used form Infineon world- renowned manufacturer. 6. High conversion efficiency more than 97.5%: IGBT(Insulated Gate Bipolar Transistor)inversion technology. 7. Energy saving up to 15%-30% compared with SCR technology induction machine: LC series resonance circuit and voltage feedback design, low energy comsumption. 8. Cooper &stainless steel fasteners and radiator, better cooling and anti- electrolysis. Medium Frequency Induction Heating Machine Feature 1: For billet full preheating or local induction heating before hot forging or forming, diameter range wide up to 200mm. 2: Pneumatic pusher, chain delivery system, pick up system three channel and Infrared thermometer system are available. 3: Well designed winding process and high quality copper tube brings result of high efficiency and energy saging. 4: Quick change connection enables replacement heating furnace conveniently. 5: PLC to realize the automatic, save labor and improve the production.

Power 30-300KW Work  Frequency 50-250Khz Digital display Constant power and current output Safe,Low voltage output PLC interface available for automatic work Wide inductance to connect with different heating coil 8 fault indicators to protect machine Water cooled induction power unit and transformer 1. Good start up performance: IGBT MF induction power supply apply series resonance technology so it can be starts up 100% under any condition. 2. Less indterface to power grid: Less harmonic current and high power factor, Power factoer remaining 0.95 above during machine running. 3. Low energy consumption: in series resonant circuit, voltage at inductor high and current low so energy loss is very low; Soft switch technology applied then switch loss is very low 4. Water cooled by heat exchanger: Using distilled water as circulating water to avoid sediment and clog of hose. 5. Good reliability: IGBT is a self turn-off transistor that ensures incersion with suvvess and takes protection instantly; IGBT used form Infineon world- renowned manufacturer. 6. High conversion efficiency more than 97.5%: IGBT(Insulated Gate Bipolar Transistor)inversion technology. 7. Energy saving up to 15%-30% compared with SCR technology induction machine: LC series resonance circuit and voltage feedback design, low energy comsumption. 8. Cooper & stainless steel fasteners and radiator, better cooling and anti- electrolysis. 9. Integrated design with water cooler, inductor, feeding system and three chanel sorting system, infrared sensor,less space for installation. 10. Good reliability, prefect protection system, reliable components, soft switch technology. 11. Customized local input power, 400V+/-10% 50Hz or 600V 60 Hz. 30-50KW High Frequency Induction Heating Machine Technical Advantage 1. Research, design and produced under ISO 9001:2015 by Duolin team, quality and delivery time under control. 2. Machine cabinet sealing,protect the induction heating equipement under complex working environment. 3. Door switch design for safety. 4. Less interference to the power grid, do not need compensation capacitor: High power factor-more than 0.95. 5. Induction heating equipment start under any condition 100%. 6. DSP and HMI technology, display the machine work data and indicate the fault output. 7. 0-10v or 4-20ma signal offered for automatic production line. 8. Intelligent control system,PLC control, connect with factory MES system site management, provide base for modern management of enterprises. https://www.duolin.com/

Under background of industry 4.0 and customer new request for saving the labor, full and semi-automatic production become the new trends in manufacturing industry. Duolin helped our customer for transforming the manual production line to automatic with PLC and robot,especially in hot forging fasteners and gear auto parts and other metal parts induction heat treatment industry. Automatic high frequency induction line has advantage below 1:‌ Improve production efficiency‌: Through precise robotic arms and advanced control systems, automated production lines can realize automatic cutting, grinding, assembly and testing of raw materials, thereby greatly improving production efficiency. Compared with manual operations, automated production lines can work 24 hours a day without interruption, flexibly adjust production plans according to market demand, and ensure that products can be delivered to customers in a timely manner‌ 2:‌ Ensure product quality‌: The introduction of Custom Induction Heating Equipment ensures the stability and consistency of product quality. Robotic arms and control systems can accurately perform operations in each production link, thereby effectively ensuring product quality. In addition, automated production lines can also collect and analyze data in the production process in real time, providing strong support for production management and quality control‌. 3:‌ Improve working environment‌: Automated production can effectively prevent employees from being exposed to high temperature, high humidity, dust, noise and other adverse production environments for a long time and at close range, reduce employee work intensity, reduce the occurrence of work-related accidents, and improve employee health‌. 4:‌ Reduce production costs‌: Automated production lines can replace manual labor to perform large-scale, repetitive and dangerous production actions, effectively improving labor productivity. At the same time, automated production can also reduce labor costs and solve the dilemma of enterprises' difficulty in hiring workers. 5:‌ Improve safety‌: Automated production lines reduce manual operations, thereby reducing safety hazards. Robot and control systems can replace workers to complete some heavy and dangerous work, reducing equipment failure rates and maintenance costs. 6:‌ Intelligent control‌: The application of technologies such as intelligent temperature precision control and synchronous three-stage sorting system enables automated production lines to achieve more refined production control, avoid the outflow of unqualified materials, and improve overall production quality and efficiency. If you have any demand for induction heating production line, don't hesitate to contact Duolin team, we will offer you professional solution.

The cable clamp for coal mining machine is made of stamped steel plate as the skeleton and high-density polyethylene through injection molding. According to the needs of the coal mining machine working face, it is connected by special bolts to form a protective channel for protecting cables or water pipes. The products mainly include three types: U-type, H-type and O-type. It overcomes the low mechanical strength and lack of effective protection on both sides of traditional cable clamps. When the cable is running in the towing cable trough with the cable clamp, it is easy to be worn and squeezed by the gangue and coal blocks in the trough, the guiding effect is not ideal, and it is easy to hang and break. It can overcome the common causes of cable damage such as "pulling", "folding", "hanging", "smashing" and "squeezing", and can provide all-round protection for cables and water pipes. https://www.langno.com/cable-cleats/

Applicable to underground and ground coal mines containing explosive gas and coal dust: There are a large number of flammable and explosive components such as gas dust in coal mines, and there are many metal equipment and instruments. When the equipment is moved and used, it is very likely to collide with the cable hook, which will produce sparks and lead to explosions. However, the mining cable hook will not collide with the metal equipment to produce sparks when in use, ensuring the safety of underground coal mines. It is suitable for low-gas mines with an altitude of +1150m-1800m, an ambient temperature of -20℃ ～+45℃, and an earthquake fortification intensity of VIII. Major advantage Corrosion resistance: The flame retardant, corrosion resistant and antistatic materials are evenly distributed in the body of the mining cable hook, and the antistatic and flame retardant properties meet the coal mining industry standards. The humid and harsh environment underground will cause the steel cable hook to corrode and rust, which will increase the friction of the hook, resulting in increased friction, sparks are easily generated during friction, leading to combustion or even explosion. Due to its material characteristics, the mining cable hook can effectively avoid the above safety problems and is more suitable for the flammable and explosive working environment underground. Lightweight and easy to install: The steel cable hook is heavy, which will increase the labor intensity of workers and reduce work efficiency during use. The mining cable hook has low density, light weight, low cost, easy transportation and installation, durable and long service life. When used for underground installation, it can not only reduce the labor intensity of workers and improve work efficiency, but also reduce the overall cost of the project. Anti-aging and strong bearing capacity: The mining cable hook has good anti- aging performance due to the advantages of raw materials. It is not easy to become brittle in a humid environment and has good toughness. It absorbs impact force and can resist repeated impact. The maximum breaking force is not less than 3500N, and it has strong bearing capacity and can withstand loads for a long time. The force is not less than 160kg . When the arc hook bears a load of 50kg, the deflection of the straight rod section is less than 10mm. Compared with other hooks on the market, our company's hooks are slightly heavier and have better bearing capacity. Stable chemical properties: The mining cable hook is made of PVC material, and the flame retardant, corrosion resistant and antistatic materials are evenly distributed in the body. It has stable chemical properties and is resistant to alkali, alcohol, ether, hydrocarbons, weak acids, lubricants, detergents, water, etc. It is odorless, non-toxic, tasteless, and rust-free. It can be used in a variety of environments without changing the performance of the product itself. Low hardness: The hardness of the mining cable hook is lower than that of the metal hook, and will not cause damage to the cable when laying the cable. Anti-static: The arithmetic mean of the surface resistance of the upper and lower surfaces of the mining cable hook is ≤3×108 Ω. Flame retardant: The average value of the flame burning time of the alcohol burner of the mining cable hook is ≤3.00s, and the maximum value of the flame burning time is ≤10.00s; the average value of the flameless burning time is ≤10.00s, and the maximum value of the flameless burning time is ≤30.00s; the flame extension length after burning is ≤280mm. The average value of the alcohol lamp with flame burning time of the mining cable hook is ≤6.00s, and the maximum value of the flame burning time is ≤12.00s; the average value of the flameless burning time is ≤20.00s, and the maximum value of the flameless burning time is ≤60.00s; the flame extension length after combustion is ≤250mm. Wear-resistant and long service life: The mining cable hook has strong wear resistance. During use, it will not be worn due to friction and other problems. It can maintain working performance for a long time. Under normal use conditions, the service life can reach 50 years.

Piston rod seal, double-lip design has better sealing effect, and polyacetal back-up ring is better under pressure. The 0-ring has a preloading effect, making the groove embedding more stable, and can be applied to higher pressures and allow larger extrusion gaps, high Under low pressure conditions, the sealing effect is equally significant. Rod seal, single function, embedded groove stability, special structural design; high pressure resistance, allows larger extrusion clearance. Working condition pressure: ≤70Mpa speed: ≤0.5m/s temperature: -40℃～+110℃ Medium: hydraulic oil, emulsion, water Maximum extrusion clearance pressure: Mpa 16～130 Maximum extrusion clearance(mm): 0.75～0.25 The surface roughness The surface of the cylinder: φd1  0.1-0.4 μm Ra The static sealing surface: φD1  1.6max μm Ra Static groove surface: L1  3.2max μm Ra Cant & chamfering Groove part: ≤ S (mm)  6, 8, 10, 11, 12 Minimum slope: C (mm)  4, 5, 6, 7, 8 Maximum amount of chamfering: r1 (mm)  0.2,0.2, 0.4, 0.4, 0.5 The biggest outer diagonal: r2 (mm)  0.5, 0.5, 0.5, 0.5, 0.5 Standard material sealing member: PU elastomer: NBR POM (Support ring: POM More about Langnuo