Proven technology updated
CCMC has many years experience for producing tube bundle dryers. Our aim is to supply the safest and most reliable equipment, we are focusing on equipment high efficiency and optimum performance.Meichen tube bundle dryers are a safe and reliable dryer due to their operation method. The steam tube bundle rotates slowly and conveys the material to be dried axially through the tube bundle. Shovels elevate the material along the circumference, and then the material trickles through the tube bundle back into the trough. The material gets dried by contact with the tubes and by convection.
The tube bundle is heated with steam. It works on the basis of a reverse flow (steam flow versus product flow). The product to be heated gets in contact with the steam-heated tubes only, not with the heating agent steam itself (mere contact drying).
On the outside of the tube bundle there are lifting and conveying shovels. They convey the product to be heated from the inlet side to the outlet side. During the drying process the material to be dried are lifted up from a trough and trickle due to gravity over the heated tubes back into the trough.
1. All heat exchanger tubes and tubesheets are joined by strength expansion.
Since the first tube bundle dryer manufactured in 2001, expansion jointing technology has been used all the time. Due to the special structure of the tube bundle dryer, the flexible deformation of the middle steel tube is drooped up to 15 mm. During the rotation of the tube bundle, alternating stress is generated, which acts on the root of the steel tube and the tube sheet. The carbon content is reduced due to the heat affected zone of the weld. The strength is reduced, so the steel pipe is easy to break. So we use a fully expanded process.
2. Mechanical Process is used to guarantee the tube bundle shaft concentricity.
Changchun Meichen uses Heavy Lathe Machine to machine the tube bundle half shaft to guarantee the shaft concentricity. It turns out that this is the best way to ensure product performance.
3. The half shaft of the tube bundle is made of high quality forged S355J2G3 alloy material (the tensile strength and yield strength are higher than Q345R, about 10-25%), and the mechanical properties are improved by multi-stage heat treated and normalizing. And the UT ultrasonic flaw detection is finally carried out.
4. The three support plates and the heat exchange tubes have protective sleeves to increase the rigidity of the tube bundle and avoid bumping of the steel tubes.
5. The transmission mode is changed to the side drive, the operation is more stable, the maintenance is more convenient, and the shape is more tough.
Changchun Meichen Machinery Co., Ltd.
Changchun Meichen Machinery Co., Ltd. is a joint venture associated by US Komline-Sanderson Engineering Corpration and Fluid-Quip Asia LLC which is situated at Zhongyan West Road, Luyuan Economic Development Zone, Changchun City, having plant area 8,000m2. It is a modern enterprise integrates design, manufacture and site service, which owns technical experts with rich experience and devoted concentration, more than 100 employees including 30% of engineering technicians and 20% of senior technicians. Our main products are complete equipment including Rotary Drum Vacuum Filter (RDVF-KS brand), Evaporator, Flash Dryer, Pressure Screen, Disc Centrifuge (FQ brand), Tube Bundle Dryer, Corn Wet Milling Equipment. We can design and install the whole set of corn wet milling. Our products and services are sold to the countries in Europe, America and Southeast Asia, and widely applied in the industries of chemical engineering, corn deep processing, paper making, power station, industry as well as municipal sewage treatment and sludge dewatering. CCMC will follow the concept of perfections pursuit, scientific and technological innovation and full service to conduct technological innovation and service improvement and increase competitiveness for customers, and use its complete quality control system to ensure the safety and reliability of each product.
- Company Name: Changchun Meichen Machinery Co., Ltd.
- Representative: Liu Jing
- Product/Service: Rotary Drum Vacuum Filter , Tube Bundle Dryer , Multi Effect Evaporator , Screen Box , Heat Exchanger , Starch Washing System
- Capital (Million US $): 3000000RMB
- Year Established: 2012
- Total Annual Sales Volume (Million US $): US$10 Million - US$50 Million
- Export Percentage: 41% - 50%
- Total Annual Purchase Volume (Million US $): US$1 Million - US$2.5 Million
- No. of Production Lines: 3
- No. of R&D Staff: 21 -30 People
- No. of QC Staff: 11 -20 People
- OEM Services Provided: yes
- Factory Size (Sq.meters): 10,000-30,000 square meters
- Factory Location: No. 2919 Foshan Street, Economic Development Zone, Changchun, China, 130102
- Contact Person: Ms. Zou Ling
- Tel: 86--15844171252
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