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Continuous dryer for slurry or powder
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A dryer and powder technology, applied in non-progressive dryers, dryers, drying solid materials, etc., can solve the problems of inability to achieve continuous work and low production efficiency, and achieve high production efficiency, high drying efficiency, The effect of high evaporation efficiency
Inactive Publication Date: 2016-03-16
邹岳明 +1
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Abstract
Description
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[0005] The disadvantage of the above-mentioned prior art is that it needs to be stopped for loading and unloading, and continuous work cannot be realized, resulting in low production efficiency
Method used
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Embodiment 1
[0034] See Figure 1-7 The continuous drying system for slurry or powder provided in this embodiment includes: a dryer, and a collection system for collecting volatiles connected to the exhaust port of the dryer.
[0035] The dryer includes: a rotating shaft 1, a multi-layer annular cavity 2 arranged up and down; each annular cavity 2 is movable and sealed on the rotating shaft 1 through a central through hole, and a ring is fixed on the rotating shaft 1 and distributed in each annular cavity 2 The scraper 3; there is a gap between two adjacent annular chambers 2, so that the bottom plate of the annular chamber 2 can directly exchange heat with the heat-conducting medium or the heating wire, thereby ensuring the drying effect.
[0036] Two adjacent annular cavities 2 are sealed and connected by a blanking channel 4; the bottom of the bottom plate of each annular cavity 2 is provided with a heating wire 5, or each annular cavity is arranged in a thermal fluid container 6, or th...
Embodiment 2
[0047] The working method of the continuous drying system of the slurry or powder described in the above-mentioned embodiment 1, comprising:
[0048] A. Connect the heating wire 5 to the power supply for heating, or continuously circulate the heat-conducting liquid into the heat-conducting liquid container 6, or use the combustion furnace 14 arranged at the bottom of the dryer to heat each annular cavity 2; The temperature of the annular cavity 2 is suitable to reach 50-700° C. (the specific temperature needs to be selected according to different materials).
[0049] B. Input the slurry through the pump or the powder through the screw conveyor 13 from the material inlet on the annular cavity on the top floor, and at the same time turn on the main motor 15 to drive the rotating shaft 1 to rotate;
[0050] C. Under the action of the rotation of the scrapers 3 on each layer, the slurry or powder is heat-exchanged layer by layer, dried and falls, and finally discharged from the di...
Embodiment 3
[0057] Such as Figures 8 to 9 , This embodiment provides a continuous drying system for liquid materials, including a dryer, and a collection system for collecting volatiles connected to the exhaust port of the dryer.
[0058] The dryer comprises: multiple layers of cavities 20 arranged up and down; there is a gap between two adjacent cavities 20, which are sealed and connected through a blanking channel; the bottom of each cavity 20 is provided with a heating wire 5, Or each cavity 20 is set in the heat transfer fluid container, or the bottom of the dryer is equipped with a combustion furnace; the cavity on the top layer is provided with a material inlet and an exhaust port, and the bottom of the cavity on the bottom layer is provided with a discharge port.
[0059] In the two adjacent cavities 20, the 1 to 4 blanking openings on the bottom plate of the upper cavity are connected to the openings on the top plate of the lower cavity through the blanking channel 4; The openin...
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Abstract
The invention relates to a slurry or powder continuous dryingmachine. The slurry or powder continuous dryingmachine can be applied to evaporation collection on phosphorus in the phosphorusslurry and slags, residual liquid treatment of calciumoxide or calciumchloride and benzoyl chloride, drying of chemical products, comprehensive recycling of three wastes and the like. The slurry or powder continuous drying machine comprises a drying machine which comprises a rotating shaft and a plurality of layers of annular chambers; the plurality of layers of annular chambers are formed up and down and matched with the rotating shaft through a center through hole in a flexible sealing mode; scrappers which are distributed in the annular chambers respectively are fixed on the rotating shaft; a gap is formed between the two adjacent annular chambers which are connected through a discharging channel in a sealing mode; the annular chambers are formed in a heat conduction liquid container; the top layer of annular chamber is provided with a material inlet and an air outlet; the bottom of the bottom layer of annular chamber is provided with a discharging hole. The slurry or powder continuous drying machine is suitable for continuous drying of slurry and powder, the production efficiency is high, and the environment-friendly, safe and energy-saving effects are achieved. The slurry and the powder are large in volatilization area through evaporation layer by layer and accordingly the evaporation efficiency of volatile matter is high and meanwhile the recycling rate of the volatile matter is high.
Description
technical field [0001] The invention relates to a continuous dryer for slurry or powder, which can be applied to the evaporation and collection of phosphorus in phosphorus sludge and slag, the treatment of calciumoxide or calcium chloride, and the residual liquid of benzoyl chloride, the drying of chemical products, and the three wastes Comprehensive recycling, etc. Background technique [0002] In the prior art, the production of yellow phosphorus by the electric furnace method will produce wastes such as phosphorus sludge and phosphorus slag, and a considerable part of the yellow phosphorus in the discarded phosphorus sludge and phosphorus slag has not been completely refined, which causes a waste of resources. [0003] Existing methods for recovering yellow phosphorus include steam filtration, dry steaming, chemical reagent reaction, etc.; the steam filtration method is to put phosphorus sludge and slag into a container and heat continuously with steam to dissolve phosph...
Claims
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Application Information
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