CN1483965A - Adsorption refrigerating tail gas purifier for refuse incineration electric generation smelting furnace - Google Patents
Adsorption refrigerating tail gas purifier for refuse incineration electric generation smelting furnace Download PDFInfo
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- CN1483965A CN1483965A CNA031227414A CN03122741A CN1483965A CN 1483965 A CN1483965 A CN 1483965A CN A031227414 A CNA031227414 A CN A031227414A CN 03122741 A CN03122741 A CN 03122741A CN 1483965 A CN1483965 A CN 1483965A
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- absorption refrigeration
- tail gas
- melting furnace
- exhaust gas
- generating electricity
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Abstract
The present invention relates to a refuse incineration power generation melting furnace adsorption refrigeration tail gas cleaning equipment, and is aimed at reducing the flue gas waste heat adsorption refrigeration heating air conditioner temperature to below 120 deg.C, and using three-component catalyst to clean tail gas and remove the carcinogenic dioxine and benzopyrene from tail gas and absorbing the heat quantity in the tail gas and feeding said heat quantity into the refrigerating and heating air condition to provide more comfortable working environment. Said invention can be extensively used for incineration power generation treatment of city domestic refuse and industrial refuse.
Description
The present invention relates to a kind of waste incineration and generating electricity melting furnace absorption refrigeration exhaust gas cleaner.
Originally waste incineration and generating electricity, plasma melting stove, solve garbage disposal and power generation process, reclaim metal etc.But in the flue tail gas contain carcinogenic dioxin, benzo Bi does not get rid of totally, waste heat uses fully.
For waste incineration power plant, flue gas is the primary pollution source of environment, and wherein main pollution factor is: flue dust, SO
2, NO
x, sour gas, heavy metal and organic compound etc. such as HCL, HF, CO.Flue dust is mainly by inorganic composition the in the incineration ashes, and its particle size range is below 200 microns, and at the heat boiler outlet place, the dustiness of flue gas is about: 5000mg/Nm
3SO
2Mainly in burning time-histories in the past, produce by sulfur-containing compound in the rubbish, heavily belong to catalytic action not down, then can produce a spot of SO
3SO in the flue gas
2Content be about: 752mg/Nm
3NO
xMainly nitrogen inorganic matter organic matter produces in burning process by containing in the rubbish, the N in the combustion air
2To its contribution seldom, the NO in the flue gas
xBased on NO, account for 90%~95%, NO
2Account for 5~10%, also have other nitrogen oxide of trace, according to external experience, at the heat boiler outlet place, NO in the flue gas
xContent be about: 250~400mg/Nm
3HCL, HF pernicious gas are that the content of HCL is about in the flue gas: 1108mg/Nm owing to produce in chloride or fluoroplastics, resin and other organic matter burning process in the rubbish
3, HF content be about: 6mg/Nm
3CO is mainly become by the organic imperfect combustion form in the rubbish, and the content of CO is relevant with incineration firing efficient in the flue gas.Heavy metal composition in the flue gas has; Mercury, chromium, lead, arsenic etc., main coating, paint etc. from the battery in the rubbish, fluorescent tube, content metal.Heavy metal can evaporate in burning process, and condensable becomes the submicron order suspension in low temperature flue.The heavy metal amount is about in the heat boiler outlet place flue gas: 60mg/Nm 3..In addition, in combustion process, also can produce dioxin, benzo Bi, dibenzofuran) etc. a class noxious material, kind of foreign body object surplus this two classes material has 210, wherein the toxicity maximum of 2.3.7.8-TCDDD.Dioxin and furans produce when mainly being the castoff burning of compositions such as chloride pesticide, rust remover, plastics, synthetic resin, wherein huge poisonous substance matter content is very little, be to be adsorbed on the flying dust surface with gaseous state, be present in the flue gas, when the boiler smoke temperature reaches 850 ℃, when gas residence time reached more than two seconds, dioxin and furans were able to abundant oxidation and lose toxicity; The possibility of the dioxin of regeneration is arranged when flue-gas temperature is cooled to 250~400 ℃, therefore, flue gas need be controlled at below 200 ℃, sack cleaner is playing effect aspect the removal dioxin.
Purpose of the present invention is exactly the hot air-conditioning of fume afterheat absorption refrigeration to be dropped to important function that contains carcinogenic dioxin, benzo Bi and the heat in the tail gas removed in the tail gas by the three-element catalytic tail gas clean-up back below 120 ℃ absorb the hot air-conditioning of refrigeration again, and the use and accurate instrument and the console of protection that offer the refuse-burning plant central control room also make operating personnel operate in comfortable environment.
The present invention has following advantage:
A kind of waste incineration and generating electricity melting furnace absorption refrigeration exhaust gas cleaner, by industrial refuse, house refuse, crushing system closed garbage storehouse, the rotary kiln bed incinerator, two smoke-boxes, waste heat boiler, Turbo-generator Set, gas cleaning dust pelletizing system lime-ash treatment system, heating power and electric control system are formed, and it is characterized in that; Lime-ash is handled by melting furnace recovery metal system and is formed, increase gas cleaning waste gas absorption refrigeration heat air conditioner system, the hot air-conditioning of fume afterheat absorption refrigeration is dropped to back below 120 ℃ by the important function that contains carcinogenic dioxin, benzo Bi in the three-element catalytic tail gas clean-up removal tail gas, the ternary exhaust gas cleaner is to use engineering plastics rare earth system to form, eliminate carcinogenic dioxin, benzo Bi etc. poisonous material.
Be widely used in the house refuse in the urbanization, the burning electricity generation processing of industrial refuse, i.e. environmental protection is the new-type device of closed loop sustainable development of new forms of energy again.
The present invention is when below taking during embodiment, and equipment cost is cheap, and we have refrigerating and heating air-conditioning equipment and three-element purifying to reduce dioxin, benzo Bi contaminated system device again.
Fig. 1 is the prior art schematic diagram.
Fig. 2 Fig. 3 is the schematic diagram of the technology of the present invention.
Go up details and the working condition that describes in detail according to the present invention's proposition below in conjunction with figure.By adding air system 1, radium-shine monitoring system 2, infrared photography system 3, rubbish cast hopper 4, pulverizer 5, stirring system 6 in the stove, incinerator 7, high-performance rubbish feeding mechanism 8, combustion control system 9, the hot air-conditioning system 10 of absorption refrigeration, backflow pressure fan 11, boiler 12, steam pipeline 13, generator 14, economizer 15, triple valve 16, sodium is medicine 17, filter dust collector 18, catalyst reaction device 19, triple valve 20, three-element purifying device 21, bypass pipe 22, induced draught machine 23, crushing system device 24, separation system device 25, melting furnace 26, metal 27, slag hauler 28, last slag 29, central control system device 30 melting furnace cigarette ashes 31, combusting room device 32, desuperheat tower apparatus 33, filter dust collector 34, induced draught machine 35, triple valve 36, three-element purifying device 37, control device 38, chimney 39, transporting belt 40, driving 41, rubbish storehouse 42, garbage truck 43, water seal collection flying dust device 44 is formed
The rubbish that is shipped by 43 garbage trucks is placed on rubbish storehouse 42, transport to transporting belt 40 input rubbish cast hoppers 4 pulverizers 5 by driving 41 and be placed on incinerator 7, by the 6 high-performance rubbish feeding mechanisms 8 of stirring system in the stove, combustion control system 9 enters and adds air system 1 again by incinerator 7 stove internal combustion, in the stove and combustion position by the radium-shine monitoring system 2 in the monitoring stove, infrared photography system 3, make gas backstreaming pressure fan 11 through economizer 15, give boiler 12 the auxiliary air heating system, give steam pipeline 13, drive generator 14, through economizer 15, again through triple valve 16, the hot air-conditioning system 10 of heat exchange absorption refrigeration, system control device 38, handling the suitable sodium of injection with the dry type reason is medicine 17, removes HCL, SO
x, NO
xHarmful substance is formula dust arrester 18 after filtration, through catalyst reaction device 19.Through triple valve 20, three-element purifying device 21, bypass pipe 22, band three-element purifying device 21, through induced draught machine 23, enter chimney 39, by incinerator 7, the slag that comes out arrives plasma heating furnace melting furnace 26 through breaker 24 separation system devices 25, separating metal 27, and last slag hauler 28, with last slag 29, the material cycling and reutilization of transporting to innocuousness and having value is through boiler 26, combusting room device 32, desuperheat tower apparatus 33, filter dust arrester 34, melting furnace cigarette ash 31, fall into water seal collection flying dust device 44, through induced draught machine 35 triple valves 36, through three-element purifying device 37, bypass pipe 22, band three-element purifying device 37, be passed to chimney 39, formed from rubbish outside the venue and reclaimed the central control system device 30 that metal is transported clean flue gas and flying dust to absorption refrigeration to the tail gas three-element purifying to burning the smelting furnace that generates electricity, environmental protection treatment arrives the new forms of energy process.
Claims (4)
1, a kind of waste incineration and generating electricity melting furnace absorption refrigeration exhaust gas cleaner, by industrial refuse, house refuse, crushing system closed garbage storehouse, the rotary kiln bed incinerator, two smoke-boxes, waste heat boiler, Turbo-generator Set, gas cleaning dust pelletizing system lime-ash treatment system, heating power and electric control system are formed, and it is characterized in that; Increase gas cleaning waste gas absorption refrigeration heat air conditioner system, the hot air-conditioning of fume afterheat absorption refrigeration is dropped to back below 120 ℃ form by the three-element catalytic tail gas clean-up;
2, as a kind of waste incineration and generating electricity melting furnace absorption refrigeration exhaust gas cleaner as described in the right 1, it is characterized in that lime-ash is handled to reclaim metal system by melting furnace and form,
3, as a kind of waste incineration and generating electricity melting furnace absorption refrigeration exhaust gas cleaner as described in the right 1, the hot air-conditioning of fume afterheat absorption refrigeration drop to below 120 ℃ the back by the three-element catalytic tail gas clean-up remove the dioxin in the tail gas, the important function of benzo Bi is formed, with the elimination part carcinogenic etc. poisonous material;
4, as a kind of waste incineration and generating electricity melting furnace absorption refrigeration exhaust gas cleaner as described in the right 1, it is characterized in that the hot air-conditioning of fume afterheat absorption refrigeration drops to below 120 ℃, the ternary exhaust gas cleaner be to use the engineering plastics rare earth eliminate carcinogenic dioxin, benzo Bi etc. poisonous material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNA031227414A CN1483965A (en) | 2003-04-19 | 2003-04-19 | Adsorption refrigerating tail gas purifier for refuse incineration electric generation smelting furnace |
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CNA031227414A CN1483965A (en) | 2003-04-19 | 2003-04-19 | Adsorption refrigerating tail gas purifier for refuse incineration electric generation smelting furnace |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101768471A (en) * | 2008-12-30 | 2010-07-07 | 湖北双环科技股份有限公司 | Method for no-power conveying of flue dust |
CN102519268A (en) * | 2011-12-29 | 2012-06-27 | 阿克苏天山多浪水泥有限责任公司 | Alkaliferous smoke lead-in process for bypass vent power generation boiler of cement kiln and device of alkaliferous smoke lead-in process |
CN106958827A (en) * | 2017-05-22 | 2017-07-18 | 洛阳昊海工贸有限公司 | A kind of dangerous waste incinerator slag total system |
-
2003
- 2003-04-19 CN CNA031227414A patent/CN1483965A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101768471A (en) * | 2008-12-30 | 2010-07-07 | 湖北双环科技股份有限公司 | Method for no-power conveying of flue dust |
CN102519268A (en) * | 2011-12-29 | 2012-06-27 | 阿克苏天山多浪水泥有限责任公司 | Alkaliferous smoke lead-in process for bypass vent power generation boiler of cement kiln and device of alkaliferous smoke lead-in process |
CN106958827A (en) * | 2017-05-22 | 2017-07-18 | 洛阳昊海工贸有限公司 | A kind of dangerous waste incinerator slag total system |
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