Method for recovery of waste heat and one-step molding and conveyance of block-shaped object for spiral conveying structure
A waste heat recovery and screw conveying technology, applied in the direction of carbide, waste heat treatment, energy input, etc., can solve the problems of waste of energy and safety, high labor intensity of workers, low production efficiency, etc., to save workshop manpower and space occupation, The effect of shortening cooling time and improving production efficiency
Inactive Publication Date: 2014-04-09
北京思能达电力电子技术有限公司
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[0009] The present invention aims to provide a device for recovering waste heat of a spiral conveying structure and forming a block at one time, so as to solve the problems of low production efficiency, large occupied area, high labor intensity of workers, high site temperature, waste of energy and Issues with potential safety hazards
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[0033] see Figure 2 to Figure 8 , a method of waste heat recovery of a spiral conveying structure of the present invention and a method for forming a lump, which is characterized in that it comprises the following steps:
[0034] (1) The calcium carbide melt output from the outlet 3 at the lower part of the furnace body 2 of the smelting furnace is cooled, solidified and broken through a cooling, solidification and crushing device (ie, the screw conveying device 4). The calcium carbide melt enters from the feed port 47 at the head end of the screw conveying device 4, and the rotating screw 44 drives the calcium carbide melt to move to the right end, exchanging its heat with the cooling water in the screw 44 and the outer shell 43 during the moving process, The circulating cooling water carries heat and is discharged for comprehensive utilization. During the conveying process, the liquid calcium carbide will gradually become solid, and will be wound on the screw shaft in the ...
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Disclosed is a method for recovery of waste heat and one-step molding and conveyance of a block-shaped object for a spiral conveying structure. The method includes steps of cooling, solidifying and crushing a calcium carbide melt output from a furnace outlet by a cooling, solidifying and crushing device; conveying a finished block-shaped calcium carbide product discharged from an output end of the cooling, solidifying and crushing device into a loaded material bin via a belt conveyor to be stored; and quantitatively outputting the calcium carbide from a metering discharge outlet at the lower end of the loaded material bin to a loading vehicle to be transported. The method has the advantages that the calcium carbide is automatically and integrally cooled, crushed, molded and loaded by the aid of a spiral conveying device, a conveying belt and the loaded material bin, powder formation caused by manually crushing the calcium carbide is prevented, workshop labor and occupied spaces are saved, and production efficiency is improved; by the aid of a waste heat recovery mechanism on the spiral conveying device, waste heat of liquid materials such as calcium carbide lumps can be effectively recovered and power consumption is greatly saved; and since the calcium carbide is cooled in a closed manner, safety is greatly improved.
Description
technical field [0001] The invention relates to a waste heat recovery method of a spiral conveying structure and a method for one-time forming and conveying of bulk objects. [0002] It is mainly used for cooling, solidifying, forming, and transporting the calcium carbide melt released during the production process of calcium carbide. Background technique [0003] Calcium carbide, or calcium carbide, is an inorganic compound and colorless crystal. It is an important basic chemical raw material and is mainly used to generate acetylene gas. Also used in organic synthesis, oxyacetylene welding, etc. [0004] The cooling and crushing of calcium carbide finished products is a problem that has long plagued calcium carbide enterprises. The discharge temperature of the calcium carbide melt flowing out from the outlet 3 of the electric heating furnace 2 (in which the discharge electrode 1 is installed) is as high as 1800°C-2200°C. 3. There is a fire baffle 10 and a furnace platfor...
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IPC IPC(8): C01B31/32F27D17/00C01B32/942
CPCY02P20/10Y02P20/129
Inventor 郑元彬
Owner 北京思能达电力电子技术有限公司