Dry Roasting Equipment---Chain Plate Dryer

Supplier:: Xi'an Research and Design Institute of Wall & Roof Materials Co,.Ltd.

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chain plate dryer（When the moisture content of the raw material is high, the secondary dryer equipment is used）

Number	Name	Unit	Parameter	Remark
1	Device Name	Chain Plate Dryer
2	Dry Variety	Hollow bricks and hollow blocks, porous bricks and porous blocks, common bricks, etc.
3	Dry Qualified Product Rate	%	99
4	Daily Output (Common bricks)	ten thousand	30－40
5	Dryer Structure		Detachable combination of steel structure
6	Delivery Method		Chain Conveyor
7	Chain Layers	Floor	2-3
8	Dryer Length	m	100—150	Length can vary
9	Dryer Height	mm	360—460	Determined by Product
10	Dryer Heat Source	Tunnel Kiln Waste Heat(cooling product heat, smoke heat separation heat)
11	Heat Source into The Dryer Temperature	℃	＜150
12	Dryer Exhaust Gas Temperature	℃	＜45
13	Drying Cycle	Hour	2~10
14	dryer control	Electronic computer program control		Remote monitoring possible

Q: The working principle of belt dryer: For dehydrated vegetables, the general use of three devices in series, the formation of early dry section, the middle section and the final section. In the early dry section, due to high water content of materials. Poor ventilation, so the use of a smaller thickness of the shop material, faster running speed and higher drying temperature. In the early dry section, the dry gas temperature can be as high as 120oC or more. The length of the material in the final section is 3-6 times of the initial dry section, and the thickness of the material is 2-4 times of the initial dry section.

Q: What are the basic types of common drying equipment?: (2) Belt Dryer Belt Dryer consists of several independent unit segments. Each unit section includes a circulating fan, a heating device, a separate or common fresh air extraction system and an exhaust gas extraction system. On the drying medium quantity, temperature, humidity and exhaust gas circulation operating parameters, can be independently controlled, so as to ensure the reliability of working with dry and operating conditions optimization.

Q: What are the common types of dryers?: The tank flows into the chute of the drum dryer, and the drying drum is rotated at the specified speed by the drive.

Q: What are the common drying methods?: In the actual production process, for high-humidity materials are generally as much as possible first with mechanical dehydration method to remove a large number of free water, and then take other drying methods for drying.

Q: How to solve the dryer a series of failures: On the other hand, after the dryer was replaced, the dew point immediately peaked, indicating that the dryer was not adequately cooled before it was so well that it could not adsorb moisture well and that the dew point of the dryer would be reduced to normal after cooling. If the dryer is cooled properly, it will cause the temperature to peak. The sudden change in temperature will reduce the drying ability of the desiccant to heat-sensitive materials such as ionomers, amorphous polyesters and certain nylon grades.

Q: What are the types of drying equipment?: the drying medium, the thermal efficiency is high, the product is not polluted, but the drying capacity by the metal wall heat transfer area limit, the structure is also more complex, often in vacuum operation; radiation dryer is the use of various radiation Emitting a certain wavelength range of electromagnetic waves, the wet material surface is selectively absorbed into heat after the dry; dielectric dryer is the use of high-frequency electric field effect, so that the wet material inside the thermal effect of drying

Q: The development prospects of the dryer: performance, the use of compact heat exchangers, such as plate fin heat exchangers, is promising. (The current difficulties may still be in terms of price). Promotion of the use of green ring-type refrigerant R134a, including cold and dry machines, including all the direction of development of refrigeration equipment, technically there is no insurmountable obstacles. But this is a great social engineering, an industry, a separate action of a business in addition to some commercial publicity significance, the overall goal of the macro is not much practical effect. In the final analysis, this is a government action, the need for the introduction of policies by the state to define a unified time limit.

Q: Frozen sublimation drying equipment which consists of several systems: the heating system: for heating the freeze-drying room shelf, to promote the material within the ice sublimation, direct and indirect heating in two ways, direct heating is the direct heating in the box inside the shelf, indirect heating is the use of electricity Or other heat source heat transfer medium, and then pass it into the shelf.

Q: What are the characteristics of the drum dryer?: conventional direct heating rotary drum dryer conventional direct heating rotary drum dryer in the dry material and hot air Direct contact with the way of convection heat drying in accordance with the direction of flow between the hot air and material, divided into parallel and countercurrent.

Q: What is a combination of drying equipment?: Combination drying equipment is a combination of two or more dry forms, the main material, mainly in series, that is, when the material has been through the drying equipment, two or more drying equipment, combined dry mainly to meet a The need for a drying process.

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