Rotary kiln type solid waste incinerating system and method
阅读：60发布：2024-02-17
专利汇可以提供Rotary kiln type solid waste incinerating system and method专利检索，专利查询，专利分析的服务。并且A rotary kiln type solid waste incinerating system and a method for continuously and efficiently incinerating a large amount of solid waste are disclosed. A vortex is established within the rotating cylinder of the kiln by injection of air to vigorously agitate the atmosphere within the kiln and thereby ensure uniform distribution of oxygen and efficient combustion. In one embodiment, the system includes an air induction duct which is approximately concentric with the rotary cylinder and which has a plurality of air injection nozzles at suitable intervals along its length for injecting air into the rotary cylinder in a direction tangential to its inner surface to establish a vortex.，下面是Rotary kiln type solid waste incinerating system and method专利的具体信息内容。
1. In a rotary kiln incinerator having a cylindrical body rotatable about an axis disposed at an angle with respect to the horizontal, said cylindrical body having a waste charge end provided with an opening for reciving waste to be incinerated and a discharge end provided with an outlet opening for the discharge of ash and other incombustible residues, and gas exhaust means, the improvement which comprises: an air induction duct located approximately concentrically within said rotary cylinder and having a plurality of air injection nozzles at suitable intervals along the length thereof for injecting air into said rotary cylinder in a direction tangential to the inner periphery thereof to establish a vortex therein.
2. The rotary kiln incinerator of claim 1 further comprising a hopper for collecting waste material and transfer means for transferring the waste material from said hopper to said charge end of said rotary cylinder.
3. The rotary kiln incinerator of claim 2, wherein said transfer means is a belt conveyer.
4. The rotAry kiln incinerator of claim 1 further comprising at least two spaced rings each securely fitted around the circumference of said rotary cylinder and mounted on a pair of rollers.
5. The rotary kiln incinerator of claim 1, further comprising a girth gear provided around the circumference of said rotary cylinder and a motor-driven pinion meshed with said girth gear.
6. The rotary kiln incinerator of claim 1 further comprising a discharge conveyer for transferring ashes and noncombustible residues away from said ash discharge outlet to a point remote from the incinerator.
7. The rotary incinerator of claim 1 further comprising an exhaust hood fitted over said discharge end of said rotary cylinder and sealing means for hermetically sealing said exhaust hood around the circumference of said rotary cylinder without impeding the rotary movement thereof.
8. In a rotary kiln type solid waste incinerating system having a rotary cylinder with a charging end and a discharge end and rotatable about an axis disposed at an angle with respect to the horizontal; a charging opening provided at said discharge end of said rotary cylinder; an ash discharge opening provided at said discharge end of said rotary cylinder; and gas exhaust means; the improvement which comprises: an air induction duct approximately concentrically located within said rotary cylinder and having a plurality of air injection nozzles located at suitable intervals along the length thereof for injecting air into said rotary cylinder in a direction tangential to the inner periphery of said cylinder to induce a vortex therein; and said gas exhaust means being a duct opening into said rotary cylinder in a direction tangential to the said inner periphery for maintaining the vortex induced with said rotary cylinder.
9. The rotary kiln type solid waste incinerating system of claim 8 further comprising a hopper for collecting waste material and transfer means for transferring the waste material from said hopper to said charge end of said rotary cylinder.
10. The rotary kiln type solid waste incinerating system of claim 8 wherein said transfer means is a belt conveyer.
11. The rotary kiln type solid waste incinerating system of claim 8 further comprising at least two spaced rings each securely fitted around the circumference of said rotary cylinder and mounted on a pair of rollers.
12. The rotary kiln type solid waste incinerating system of claim 8 further comprising a girth dear provided around the circumference of said rotary cylinder and a motor-driven pinion meshed with said girth gear.
13. The rotary kiln type solid waste incinerating system of claim 8 further comprising a discharge conveyer for transferring ashes and noncombustible residues from said ash discharge outlet to a predetermined point remote from the system.
14. The rotary kiln type solid waste incinerating system of claim 8 further comprising an exhaust hood fitted over said discharge end of said rotary cylinder and sealing means for hermetically sealing said exhaust hood around the circumference of said rotary cylinder without impeding the rotary movement thereof.
15. The rotary kiln type solid waste incinerating system of claim 8 further comprising an end cover supported in a fixed position and spatially fitted over said discharge end of said cylindrical body to cover most of the cross-sectional area thereof except for said ash discharge opening.
16. A method for continuously incinerating waste in a rotary kiln type incinerator wherein the kiln has a rotary cylinder which is rotatable about an axis disposed at an angle with respect to the horizontal, said rotary cylinder having a charging end and a discharge end, said charging end being located at a higher level than said discharge end, and an air induction duct located approximately concentrically within said rotary cylinder, said air induction duct having a plurality of air injection nozzles arranged at suitable intervals along the length thereof, said method compRising: feeding solid waste continuously to the charging end of the rotary cylinder; injecting air through said air injection nozzles into the rotary cylinder at a velocity and in a direction tangential to the inner periphery of said cylinder to establish a vortex therein for vigorously agitating the atmosphere within the cylinder and uniformly supplying oxygen to the waste underging combustion; causing said waste to tumble from said charging end toward said discharge end; and removing the ashes and noncombustible residues from said discharge end.
17. The method of claim 16 further comprising the step of conducting the exhaust gases out of said rotary cylinder at said discharge end, in a direction tangential to the inner periphery of said rotary cylinder.
18. The method of claim 16 wherein air is injected into said rotary cylinder at an air ratio within the range of from about 1.2 to about 1.5.
19. The apparatus of claim 1 wherein said plurality of nozzles are arranged in comb-like fashion.
20. The system of claim 8 wherein said air injection nozzles are located along the length of said air induction duct in a comb-like fashion.
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