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Dryer

A technology of dryers and ovens, applied in the direction of dryers, drying, drying solid materials, etc., can solve the problems of polluted air, waste, etc., and achieve the effect of reducing pollution

Inactive Publication Date: 2009-05-13
江国庆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At this time, a large amount of smoke and dust will be entrained in the exhausted hot air. The smoke and dust often contain a large amount of wood tar, dust and harmful gases, which not only pollutes the air, but also causes corresponding waste, because wood tar can be used as chemical dyestuff after recovery.

Method used

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Embodiment Construction

[0011] Refer to the accompanying drawings, the serial numbers in the figure represent: oven 1, exhaust pipe 2, water inlet header 3, water inlet pipe 4, water inlet 5, closed box 6, water body 7, water tank 8, water outlet pipe 9, induced draft fan 10 , Air inlet pipe 11, air supply pipe 12, pipeline 13.

[0012] The structure of the dryer in the embodiment has not been changed in any way, therefore, only a schematic representation has been made in the figure, including the air inlet pipe, the oven and the exhaust pipe thereof. The dry hot air at 100-150°C is sent into the oven 1 from the bottom of the oven 1 through the air inlet pipe 11, and then flows from bottom to top to exchange heat with the formed carbon rods on the drying bed. The air duct 2 leads to the hot air treatment device at the rear of the induced draft fan 10, and the hot air temperature at this moment has dropped to about 40-50°C.

[0013] Air supply pipe 12 sends hot blast in the closed box 6. Closed box ...

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Abstract

The present invention relates to an oven-drying machine for drying formed carbon stick in artificial charcoal industry. Its structure includes air intake pipe, dry oven and its exhaust pipe, the outlet of said exhaust pipe is connected with an induced draught fan, the delivery pipe of said induced draught fan is connected with a closed tank, on the tank wall of said closed tank several through holes are set, in which the portion of said through holes is connected with a feed water header by means of water intake pipe, on the feed water header a water inlet is set, another portion of said through holes is connected with a water tank by means of drain pipe, the water outlet of the drain pipe is extended into the water body of said water tank. The hot air discharged by said invention is undergone the processes of filtration, adsorption, dissolving, cooling and precipitation of water body so as to obtain the purification, after having been cooled the wood tar is precipitated in the water bottom, can be recovered, and can be used as chemical dyestuff.

Description

technical field [0001] The invention relates to a drying device, in particular to a drying machine used for drying shaped charcoal rods in the artificial charcoal industry. Background technique [0002] The working principle of the dryer is to use dry hot air as the heat source medium to exchange heat with the material to be dried in the oven and then dry the material to be dried. Finally, the hot air entrains the smoke, related gases and dust particles emitted by the material to be dried from the oven. The exhaust duct of the dryer vents to atmosphere. This leads to two problems, one is that direct discharge will pollute the atmosphere, and the other is that the discharge contains recyclable substances. [0003] At present, there is such a problem in the artificial charcoal industry. The drying equipment generally adopts airflow dryer, fluidized bed dryer or rotary cylinder dryer, etc. However, this type of machinery has similar characteristics: the hot air from the exhau...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B21/00F26B3/02
Inventor 江国庆
Owner 江国庆