Vibrating Fluid Bed Dryer Waste Heat Recovery Unit Environmental Protection

Waste heat recovery system

Spiral plate heat exchanger is composed of two rolled steel plates which form two uniform spiral channels where two heat transfer media can realize a full countercurrent flow and thus substantially enhance heat exchange effect. The connecting tube on the crust is of shear structure and featured by small local resistance. As the curvature of spiral channels is uniform, there is no great steering of fluid flow in the equipment. The total resistance is small. So it is possible to make the equipment possess fairly high heat transfer capacity through raising the designed flow rate. Appropriate technical calculation should be conducted at the time of equipment selection to make the media in channels reach turbulence state. (The flow rate of fluid is greater than 1m/s and that of gas is greater than 10m/s in general.)

Spiral plate heat exchanger Features:

1>. High heat transfer efficiency: The heat transfer efficiency of spiral plate heat exchanger is 1-3 times as much as that of shell-and-tube heat exchanger.
The maximum heat transfer coefficient is up to 3,300W/(k).

2>. Effective recovery of low-temperature heat energy: Two heat transfer media in the equipment can realize heat transfer through a full countercurrent flow,being applicable to heat transfer with small temperature difference, recovery of waste heat, and full application of low-temperature heat energy.

3>. Strong operating reliability: The two non-removable channels are welded for sealing, which can ensure that the two media are not mixed together.

4>. Small resistance: Spiral plate heat exchanger can process large-volume steam or gas with fairly small pressure loss. It has a self-cleansing ability, for the media flow spirally and results in remote possibility for dirt deposition. It can be easily cleaned with steam or lye and allows for installation of cleaning device.
As the medium flows in a single channel, and the allowed flow rate is higher than that of other kinds of heat exchangers.

Application:

1>.Electrolyte heating
2>.Concentrated lye cooling
3>.Quenching oil cooling
4>.Oleum cooling
5>. Fatty acid cooling
6>.Steam condensation

Working principle

The wet air enter into the heating area from the bottom of the equipment.

After the bottom of hot pipe absorb the heat, and the working medium in the hot pipe will be evaporated, and absorb Evaporated heat from the wet air . after evaporation , the steam will go up to the top of the hot air , meanwhile , it can be pre-condensed ,and release the potential heat to the hot air radiating area . and the condense will back return by the gravity heavy , and continuously receive heat , and repeat delivering the heat from the heating area to the heat radiating area,and heat the fresh for waste heat recovery .

Changzhou Yibu Drying Equipment Co., Ltd. is a leading manufacturer of drying, mixing, and granulating equipment in China, a specially-designated enterprise of China Association for Pharmaceutical Equipment (CAPE) and China General Machinery Industry Association (CGMA) Drying Equipment Branch. The factory covers an area of over 50,000 m2, has fixed assets of CNY 35 million, with more than 180 sets of special processing equipment and strong technical force. The company owns the provincial famous trademark of "YIBU", and has passed the ISO9001 & ISO14001 certifications.
The founder, Mr Zha Guocai has devoted more than 30 years in R&D, production and business of drying equipment. He holds the post of Deputy Director-General of China General Machinery Industry Association (CGMA) Drying Equipment Branch for a long time. The company pays great attention to science and technology innovation, has collaborated with Medicine Design Institutes in Shanghai, Wuhan, Chongqing and other places, Shenyang Chemical Research Institute, Qinghua University, Shanghai Jiaotong University, Dalian University of Technology, etc. The company launched 3-5 new products to the market every year. In 1998, YIBU established "China Research Center of Drying and Granulating" with the approval of relevant state department, and cooperated with pharmaceutical, chemical and food industries to research and develop new technologies related to drying, granulating and mixing, etc. The factory also has a variety of test prototypes in the laboratory for customers' trials.
The company sold equipment to USA, Mexico, Columbia, Guatemala, Brazil, Peru, Australia, New Zealand, Ghana, Russia, Cyprus, Greece, Iran, Indonesia, Philippines, Korea, Japan, Taiwan, Hong Kong and other countries.