IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0879149
(1997-06-19)
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발명자
/ 주소 |
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출원인 / 주소 |
- Environmental Engineering Corp.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
48 인용 특허 :
5 |
초록
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The anti-pollution system, which removes exhaust gas pollutants, effectively eliminates carbon monoxide, unburnt hydrocarbons, odors and organic and inorganic particulates from the exhaust gases of internal combustion engines or other sources of combustion products or pollution, is provided. The rad
The anti-pollution system, which removes exhaust gas pollutants, effectively eliminates carbon monoxide, unburnt hydrocarbons, odors and organic and inorganic particulates from the exhaust gases of internal combustion engines or other sources of combustion products or pollution, is provided. The radiant monolith-catalytic converter stack continuously incinerates and eliminates the undesirable and harmful pollution from the exhaust stream. An auxiliary burner, located upstream of the radiant monolith stack, provides additional heat as required to maintain the monolith stack at a temperature to provide radiant heat energy to incinerate soot particles and unburnt hydrocarbons in the exhaust gas stream. The hot exhaust gases flow through a heat exchanger to recover heat from the exiting hot exhaust gases, to preheat the incoming exhaust gas stream while simultaneously cooling the outgoing cleaned exhaust gas stream. A microcomputer controls the operation of the anti-pollution system by monitoring temperatures, pressures, and burner parameters, and senses the operational parameters of the primary internal combustion engine or other pollution source generating the exhaust gas stream. Automatic system start, run and shutdown are handled by the microcomputer.
대표청구항
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[ What is claimed is:] [1.] An anti-pollution system for removing and reducing pollutants from an exhaust gas stream, comprising:a) a combustion, thermal and catalytic oxidation chamber having an insulating layer positioned about and surrounding said combustion, thermal and catalytic oxidation chamb
[ What is claimed is:] [1.] An anti-pollution system for removing and reducing pollutants from an exhaust gas stream, comprising:a) a combustion, thermal and catalytic oxidation chamber having an insulating layer positioned about and surrounding said combustion, thermal and catalytic oxidation chamber;b) a burner section to burn fuel material connected to said combustion, thermal and catalytic oxidation chamber; said burner section including at least one fuel nozzle within a flame retaining burner means; said burner section being connected to a mixing section and a swirl section via holes for admitting a portion of preheated exhaust gases from a pollution source to generate a burning fuel gas mixture; said burning fuel gas mixture being mixed with the remainder of the preheated exhaust gases from a pollution source in said mixing section and said swirl section by creation of a swirling vortex region within said swirl section;c) aperture plates being positioned within said combustion, thermal and catalytic oxidation chamber to divide and define said combustion, thermal and catalytic oxidation chamber into respective mixing, swirl and combustion regions; said annular aperture plates controlling gas flow characteristics between and within each region;d) a radiant monolith oxidation stack and catalyst oxidation stack section, having tortuous and narrow pathways, through which burning fuel and exhaust gas mixture is forced to flow; said radiant monolith oxidation stack and catalyst oxidation stack section trapping particulate matter, slowing particulate flow, combusting particulate, CO and unburnt hydrocarbons and extracting and exchanging heat from the burning fuel gas mixture to maintain said radiant monolith oxidation stack at sufficiently high temperature to be a glowing radiant source of infra-red heat energy;e) said radiant monolith stack operating at a temperature in the range of about 1000.degree. to 1700.degree. F. thus defining a maximum operating temperature and a minimum operating temperature; said maximum operating temperature being less than that which would cause significant sintering or degradation of catalyst materials in the radiant monolith oxidation stack and catalyst oxidation stack section, and a minimum operating temperature being greater than the minimum combustion temperature for carbon;f) a fuel injection system having at least one fuel nozzle having a mixing means for combining with air and exhaust gases to produce a combustible mixture of fuel, air and gas within said burner section and for further combining with a portion of exhaust gas flow from a pollution source;g) an ignition means for igniting a mixture of fuel, air and gas within the burner section; andh) a microcomputer controller means for receiving and processing data from system parameter sensors and controlling fuel flow, compressed air supply, forced fresh air supply, and ignition system.
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