CN104676603A - U-shaped bottom-hanging type ash and slag melting treatment device - Google Patents

U-shaped bottom-hanging type ash and slag melting treatment device Download PDF

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Publication number
CN104676603A
CN104676603A CN201510042100.5A CN201510042100A CN104676603A CN 104676603 A CN104676603 A CN 104676603A CN 201510042100 A CN201510042100 A CN 201510042100A CN 104676603 A CN104676603 A CN 104676603A
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CN
China
Prior art keywords
furnace
ash melting
burner hearth
slag
shaped bottom
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Pending
Application number
CN201510042100.5A
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Chinese (zh)
Inventor
丁玉静
刘诚晨
孟召杰
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SHANGHAI YUGONG ENVIRONMENTAL TECHNOLOGY Co Ltd
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SHANGHAI YUGONG ENVIRONMENTAL TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by SHANGHAI YUGONG ENVIRONMENTAL TECHNOLOGY Co Ltd filed Critical SHANGHAI YUGONG ENVIRONMENTAL TECHNOLOGY Co Ltd
Priority to CN201510042100.5A priority Critical patent/CN104676603A/en
Publication of CN104676603A publication Critical patent/CN104676603A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00Specific waste

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasification And Melting Of Waste (AREA)

Abstract

The invention discloses a U-shaped bottom-hanging type ash and slag melting treatment device. The U-shaped bottom-hanging type ash and slag melting treatment device comprises an ash and slag melting furnace provided with a front vertical hearth and a rear vertical hearth. The wall of the front vertical hearth is provided with flame passages, and a furnace start combustion-supporting combustor is arranged on an outer opening of each flame passage. The wall of the rear vertical hearth is provided with a smoke outlet and a furnace door, and the bottom of the ash and slag melting furnace is provided with a furnace bottom. The bottoms of the front vertical hearth and the rear vertical hearth are communicated through the furnace bottom, and a molten slag overflow passage is arranged at a lowest point of the furnace bottom. A front furnace top covers a feeding port of the front vertical hearth, and the front furnace top is provided with an ash and slag falling passage. A discharging port of a feeding device mounted on the front furnace top is in butt joint with an outer opening of the ash and slag falling passage, a plurality of oxygen blowing branch pipes in an oxygen supply device mounted on the front furnace top enter the front furnace top along a horizontal tangent line, a water-cooling slag extractor is arranged below the furnace bottom, and an inlet of the water-cooling slag extractor is in butt joint with an outer opening of the molten slag overflow passage. The U-shaped bottom-hanging type ash and slag melting treatment device has the advantages of simple structure, convenience in operation, low operational cost and the like.

Description

U-shaped bottom-hung type ash melting treating apparatus
Technical field
The present invention relates to the flying dust that consumer waste incineration treatment system produces, the flying dust slag that dangerous waste incineration processing system produces, and the powdery danger such as heavy metal sewage sludge carries out melt process, makes it reach nontoxic, subtract the U-shaped bottom-hung type ash melting treating apparatus held with resource.
Background technology
The flying dust produced in consumer waste incineration processing procedure, dangerous waste incineration processing procedure produce flying dust and slag in, containing a large amount of dioxin noxious material and heavy metal etc.Also containing a large amount of heavy metals in some industrial sludges, above-mentioned substance is dealt carefully with if do not carried out and can be caused serious harm to the living environment of the mankind.Take melt process mode to the most sound method of disposal of above-mentioned noxious material.Above-mentioned hazardous waste can form the vitreous slag of stabilizer pole after melting, and its volume pressed density significantly increases, and subtracting molten rate can reach more than 50%, and the clinker ignition loss of lime-ash is 0, and reaches nontoxic discharge standard, can be used in building products material.Because the ash melting technology in China market is started late, existing ash melting treating apparatus ubiquity complex structure, melting high in cost of production problems.
Summary of the invention
Technical problem to be solved by this invention is, for the melt process device institute ubiquity complex structure of the powdery hazardous wastes such as existing lime-ash and heavy metal sewage sludge, melting high in cost of production problems and provide a kind of structure simple, reliable, the U-shaped bottom-hung type ash melting treating apparatus that melting cost is low.
Technical problem to be solved by this invention can be achieved through the following technical solutions;
U-shaped bottom-hung type ash melting device, comprises;
One ash melting body of heater, described ash melting body of heater comprises the front vertical burner hearth being arranged on described ash melting body of heater front portion and the rear vertical burner hearth being arranged on ash melting body of heater rear portion; Before described vertical burner hearth furnace wall on be provided with at least one passage of flame and the top of founding burner hearth before described is configured with a charge door; The top of described rear vertical burner hearth is configured with furnace top cover, and the furnace wall of vertical burner hearth is in the rear configured with exhanst gas outlet and stove gate, and described exhanst gas outlet is positioned at the top of described stove gate, and described stove gate is configured with fire door;
Be configured in the furnace bottom of described ash melting bottom of furnace body, described front vertical burner hearth is communicated with the bottom of rear vertical burner hearth by described furnace bottom, described furnace bottom in low shape after front height, wherein minimum point is positioned at the below of described rear vertical burner hearth, is configured with a slag overflow channel at described lowest point;
Be configured in and described passage of flame collar extension opens stove booster burners;
Cover on described before vertical burner hearth charge door on front furnace roof, described front furnace roof is configured with one and falls lime-ash passage;
Be arranged on the charging gear on described front furnace roof, the discharging opening of described charging gear with described fall lime-ash passage collar extension dock;
Be arranged on the oxygen supply device on described front furnace roof, the several oxygen blast arms in described oxygen supply device enter in described front furnace roof in horizontal tangent mode;
Be configured in the water-cooled mucking machine below described furnace bottom, the import of described water-cooled mucking machine is docked with described slag overflow channel collar extension.
In a preferred embodiment of the invention, be configured with an annular heat gap in described front furnace roof, the opening in described annular heat gap is towards described front furnace roof and the described front contact surface founding burner hearth.
In a preferred embodiment of the invention, the lime-ash passage that falls described in is configured in the center of described front furnace roof and runs through the center wall of described front furnace roof.
In a preferred embodiment of the invention, described oxygen supply device also comprises the annular oxygen supplying tube being surrounded on described front furnace roof periphery, described several oxygen blast arm to be arranged in uniform way on described annular oxygen supplying tube and to be communicated with described annular oxygen supplying tube, and described annular oxygen supplying tube is by a total oxygen supplying tube connection oxygen source.
In a preferred embodiment of the invention, have a cooling jacket at the periphery configure of the discharging opening of described charging gear, described cooling jacket is connected with a cooling water tank by inlet tube and outlet tube, and described cooling water tank is arranged on described front furnace roof.
In a preferred embodiment of the invention, described charging gear comprises a feed bin, a feed bin lid and a spiral transferring slag device, described feed bin is arranged on described front furnace roof by a silo support, described spiral transferring slag device is arranged on described feed bin and covers, the discharge port of described spiral transferring slag device docks with the discharging opening of described charging gear, and described feed bin lid covers at the top of described feed bin.
In a preferred embodiment of the invention, dust seal is provided with between the discharging opening of described charging gear and the discharge port of described spiral slag conveyer.
In a preferred embodiment of the invention, cover at described feed bin and be provided with charging aperture, described charging aperture is connected with proportioner.
In a preferred embodiment of the invention, described front vertical burner hearth and rear vertical burner hearth are cylindrical burner hearth.
In a preferred embodiment of the invention, the inner bottom surface of described furnace bottom is low shape between periphery senior middle school.
In a preferred embodiment of the invention, before described vertical burner hearth furnace wall on be provided with two passage of flames, two passage of flames open stove booster burners in arranging to be respectively arranged with up and down; The interior collar extension of two passage of flames is separately through furnace wall before described ash melting body of heater.
In a preferred embodiment of the invention, U-shaped bottom-hung type ash melting device of the present invention also comprises a horizontal tray, described ash melting body of heater is fixed on described horizontal tray, described furnace bottom be positioned at described ash melting body of heater below and edge hang on described horizontal tray.
In a preferred embodiment of the invention, described slag overflow channel is the large outer young conical slag overflow channel of internal orifice, and the interior collar extension of described slag overflow channel is through the wall of described furnace bottom.
In a preferred embodiment of the invention, the spiral of described spiral transferring slag device is configured with a upper act formula helical blade preventing lime-ash self-styled, and the bottom of described feed bin is funnel-form, and described upper act formula helical blade is positioned at described funnel-form.
In a preferred embodiment of the invention, the high-temperature flue gas of described exhanst gas outlet is connected with a smoke inlet of the cigarette selection by winnowing orchestration in castoff burning system after the cooling of waste heat boiler appropriateness.
In a preferred embodiment of the invention, whole furnace wall of described ash melting body of heater and the furnace wall of furnace bottom are made up of flame retardant coating, heat-insulation layer and metal shell, wherein said flame retardant coating is positioned at the inner side of heat-insulation layer, and described metal shell is positioned at the outside of described heat-insulation layer.
Owing to taking technique scheme, U-shaped bottom-hung type ash melting treating apparatus of the present invention has following technical characterstic;
(1) wide accommodation, can form autonomous system, melt process lime-ash in enormous quantities and heavy metal sewage sludge, also can coordinate with castoff burning system and run melt process lime-ash and heavy metal sewage sludge.
(2) owing to selecting 2 to open stove booster burners, economy can regulate and control open stove easily and heat up and the thermal power of required burner in running, guarantee reasonable temperature and the quality of slag.
(3) the many oxygen blast arms selecting periphery uniform are also blown in burner hearth in horizontal tangent; at burner hearth, cyclonic air flow plays in inner tissue; extremely be conducive to fully mixing of lime-ash and oxygen; too increase the stroke of lime-ash and the time of staying in furnace high-temperature district, guarantee the abundant after-flame of lime-ash and reliable melting.
The structure of U-shaped bottom-hung type ash melting treating apparatus of the present invention is simple, and manipulation is convenient, and safe and reliable, operating cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of U-shaped bottom-hung type ash melting treating apparatus of the present invention.
Detailed description of the invention
The present invention is further described by reference to the accompanying drawings with detailed description of the invention.
See Fig. 1, the U-shaped bottom-hung type ash melting treating apparatus drawn in Fig. 1, comprise an ash melting body of heater 100, this ash melting body of heater 100 comprises the cylindrical front vertical burner hearth 190 being arranged on ash melting body of heater 100 front portion and the cylindrical rear vertical burner hearth 191 being arranged on ash melting body of heater 100 rear portion; Cylindrical front vertical burner hearth 190 is communicated with formation U-shaped burner hearth with the bottom of cylindrical rear vertical burner hearth 191.
The front furnace wall of front vertical burner hearth 190 is provided with two passage of flames 401,411, and two passage of flames 401,411 are in arranging up and down, and upper and lower two are opened stove booster burners 400,410 and dock with the collar extension of two passage of flames 401,411 respectively.
The top of vertical burner hearth 190 is configured with a charge door 192 before cylindrical; Furnace top cover 800 is configured with at the top of cylindrical rear vertical burner hearth 191.The rear furnace wall of cylindrical rear vertical burner hearth 191 is configured with exhanst gas outlet 500 and stove gate 501, and exhanst gas outlet 500 is positioned at the top of stove gate 501, and stove gate 501 is configured with round stopper fire door 600.The high-temperature flue gas of exhanst gas outlet 500 is connected with a smoke inlet of the cigarette selection by winnowing orchestration in castoff burning system after the cooling of waste heat boiler appropriateness.
The bottom of this ash melting body of heater 100 is arranged on an oval horizontal tray 180, on this oval horizontal tray 180, edge hangs with an oval furnace bottom 160, this oval furnace bottom 160 is positioned at the below of ash melting body of heater 100, its inner bottom surface is low shape between periphery senior middle school, lowest part is positioned at the below of cylindrical rear vertical burner hearth 191, is configured with the large outer young slag overflow channel 170 of an internal orifice in lowest part position.Cylindrical front vertical burner hearth 190 is communicated with the bottom of cylindrical rear vertical burner hearth 191 by this oval furnace bottom 160.
Be provided with a water-cooled mucking machine 700 in the below of furnace bottom 160, the charging aperture of water-cooled mucking machine 700 is tightly connected by the collar extension of sealing shroud 710 with slag overflow channel 170.
Before cylindrical vertical burner hearth 190 charge door 192 on be covered with one before furnace roof 140, be provided with one to fall lime-ash passage 150 at the center of front furnace roof 140, in front furnace roof 140, be configured with an annular heat gap 141, the opening in annular heat gap 141 is towards the contact surface of front furnace roof 140 with front vertical burner hearth 190.
Front furnace roof 140 is provided with a cyclone type apparatus of oxygen supply 300, this cyclone type apparatus of oxygen supply 300 comprises the annular oxygen supplying tube 320 be arranged on front furnace roof 140, annular oxygen supplying tube 320 equidistantly docks with several oxygen blast arm 310, annular oxygen supplying tube 320 is connected with one end of total oxygen supplying tube 330, the other end of total oxygen supplying tube 330 is connected with oxygen system (not drawing in figure), several oxygen blast arm 310 enters into front furnace roof 140 in horizontal tangential, makes oxygen be that horizontal tangent mode is blown in burner hearth.
Charging gear 200 on front furnace roof 140, this charging gear 200 comprises feed bin 240, feed bin lid 250 and a spiral transferring slag device 260, feed bin 240 is arranged on front furnace roof 140 by a silo support 270, spiral transferring slag device 260 is arranged on feed bin lid 250, the discharge port 210 of spiral transferring slag device 260 is docked by dust seal with the discharging opening 280 of charging gear 200, and discharging opening 280 docks with lime-ash passage 150 collar extension that falls; Feed bin lid 250 covers the top at feed bin 240, and feed bin lid 250 is provided with charging aperture (not shown), and this charging aperture is connected with proportioner (not shown).
Have a cooling jacket 230 at the periphery configure of the discharging opening 280 of charging gear 200, this cooling jacket 230 is connected with a cooling water tank 233 by inlet tube and outlet tube 231,232, and cooling water tank 233 is arranged on front furnace roof 140.
The spiral 261 of spiral transferring slag device 260 is configured with a upper act formula helical blade 220 preventing lime-ash self-styled, and the bottom of feed bin 240 is funnel-form, and on this, act formula helical blade 220 is positioned at funnel-form.
Whole furnace walls of ash melting body of heater 100 are by flame retardant coating 110, heat-insulation layer 120, and metal shell 130 is formed, and wherein flame retardant coating 110 is positioned at inside heat-insulation layer 120, and metal shell 130 is positioned at outside heat-insulation layer 120.
Whole furnace walls of furnace bottom 160 are by flame retardant coating 161, heat-insulation layer 162, and metal shell 163 is formed, and wherein flame retardant coating 161 is positioned at inside heat-insulation layer 162, and metal shell 163 is positioned at outside heat-insulation layer 162.

Claims (16)

1.U shape bottom-hung type ash melting device, is characterized in that, comprise;
One ash melting body of heater, described ash melting body of heater comprises the front vertical burner hearth being arranged on described ash melting body of heater front portion and the rear vertical burner hearth being arranged on ash melting body of heater rear portion; Before described vertical burner hearth furnace wall on be provided with at least one passage of flame and the top of founding burner hearth before described is configured with a charge door; The top of described rear vertical burner hearth is configured with furnace top cover, and the furnace wall of vertical burner hearth is in the rear configured with exhanst gas outlet and stove gate, and described exhanst gas outlet is positioned at the top of described stove gate, and described stove gate is configured with fire door;
Be configured in the furnace bottom of described ash melting bottom of furnace body, described front vertical burner hearth is communicated with the bottom of rear vertical burner hearth by described furnace bottom, described furnace bottom in low shape after front height, wherein minimum point is positioned at the below of described rear vertical burner hearth, is configured with a slag overflow channel at described lowest point;
Be configured in and described passage of flame collar extension opens stove booster burners;
Cover on described before vertical burner hearth charge door on front furnace roof, described front furnace roof is configured with one and falls lime-ash passage;
Be arranged on the charging gear on described front furnace roof, the discharging opening of described charging gear with described fall lime-ash passage collar extension dock;
Be arranged on the oxygen supply device on described front furnace roof, the several oxygen blast arms in described oxygen supply device enter in described front furnace roof in horizontal tangent mode;
Be configured in the water-cooled mucking machine below described furnace bottom, the import of described water-cooled mucking machine is docked with described slag overflow channel collar extension.
2. U-shaped bottom-hung type ash melting device as claimed in claim 1, is characterized in that, be configured with an annular heat gap in described front furnace roof, and the opening in described annular heat gap is towards described front furnace roof and the described front contact surface founding burner hearth.
3. U-shaped bottom-hung type ash melting device as claimed in claim 1, is characterized in that, described in the lime-ash passage that falls be configured in the center of described front furnace roof and run through the center wall of described front furnace roof.
4. U-shaped bottom-hung type ash melting device as claimed in claim 1, it is characterized in that, described oxygen supply device also comprises the annular oxygen supplying tube being surrounded on described front furnace roof periphery, described several oxygen blast arm to be arranged in uniform way on described annular oxygen supplying tube and to be communicated with described annular oxygen supplying tube, and described annular oxygen supplying tube is by a total oxygen supplying tube connection oxygen source.
5. U-shaped bottom-hung type ash melting device as claimed in claim 1, it is characterized in that, have a cooling jacket at the periphery configure of the discharging opening of described charging gear, described cooling jacket is connected with a cooling water tank by inlet tube and outlet tube, and described cooling water tank is arranged on described front furnace roof.
6. U-shaped bottom-hung type ash melting device as claimed in claim 1, it is characterized in that, described charging gear comprises a feed bin, a feed bin lid and a spiral transferring slag device, described feed bin is arranged on described front furnace roof by a silo support, described spiral transferring slag device is arranged on described feed bin and covers, the discharge port of described spiral transferring slag device docks with the discharging opening of described charging gear, and described feed bin lid covers at the top of described feed bin.
7. U-shaped bottom-hung type ash melting device as claimed in claim 6, is characterized in that, be provided with dust seal between the discharging opening of described charging gear and the discharge port of described spiral slag conveyer.
8. U-shaped bottom-hung type ash melting device as claimed in claim 6, it is characterized in that, cover at described feed bin and be provided with charging aperture, described charging aperture is connected with proportioner.
9. U-shaped bottom-hung type ash melting device as claimed in claim 6, it is characterized in that, the spiral of described spiral transferring slag device is configured with a upper act formula helical blade preventing lime-ash self-styled, and the bottom of described feed bin is funnel-form, and described upper act formula helical blade is positioned at described funnel-form.
10. U-shaped bottom-hung type ash melting device as claimed in claim 1, is characterized in that, described front vertical burner hearth and rear vertical burner hearth are cylindrical burner hearth.
11. U-shaped bottom-hung type ash melting devices as claimed in claim 1, is characterized in that, the inner bottom surface of described furnace bottom is low shape between periphery senior middle school.
12. U-shaped bottom-hung type ash melting devices as claimed in claim 1, is characterized in that, before described vertical burner hearth furnace wall on be provided with two passage of flames, two passage of flames open stove booster burners in arranging to be respectively arranged with up and down; The interior collar extension of two passage of flames is separately through furnace wall before described ash melting body of heater.
13. U-shaped bottom-hung type ash melting devices as claimed in claim 1, it is characterized in that, described U-shaped bottom-hung type ash melting device also comprises a horizontal tray, described ash melting body of heater is fixed on described horizontal tray, described furnace bottom be positioned at described ash melting body of heater below and edge hang on described horizontal tray.
14. U-shaped bottom-hung type ash melting devices as claimed in claim 1, is characterized in that, described slag overflow channel is the large outer young conical slag overflow channel of internal orifice, and the interior collar extension of described slag overflow channel is through the wall of described furnace bottom.
15. U-shaped bottom-hung type ash melting devices as claimed in claim 1, is characterized in that, the high-temperature flue gas of described exhanst gas outlet is connected with a smoke inlet of the cigarette selection by winnowing orchestration in castoff burning system after the cooling of waste heat boiler appropriateness.
16. U-shaped bottom-hung type ash melting devices as claimed in claim 1, it is characterized in that, whole furnace wall of described ash melting body of heater and the furnace wall of furnace bottom are made up of flame retardant coating, heat-insulation layer and metal shell, wherein said flame retardant coating is positioned at the inner side of heat-insulation layer, and described metal shell is positioned at the outside of described heat-insulation layer.
CN201510042100.5A 2015-01-27 2015-01-27 U-shaped bottom-hanging type ash and slag melting treatment device Pending CN104676603A (en)

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Application Number Priority Date Filing Date Title
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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2251782A1 (en) * 1973-11-16 1975-06-13 Sumitomo Electric Industries
CH600242A5 (en) * 1975-09-03 1978-06-15 Von Roll Ag
US4166421A (en) * 1976-08-20 1979-09-04 Heenan Environmental Systems Ltd. Cyclonic furnace
CN1877197A (en) * 2006-07-04 2006-12-13 潘云芳 Combined incineration treatment method for refuse and special vertical oxygen-enriched continuous incinerator
CN1908518A (en) * 2006-08-21 2007-02-07 东北大学 Electric arc molten processing system and method for processing rubbish combustion ash
CN2874382Y (en) * 2006-02-27 2007-02-28 吕学平 Furnace for smelting quartz production
CN2911450Y (en) * 2006-06-05 2007-06-13 丁云波 Medical multiple cyclone garbage incinerator
CN201634742U (en) * 2010-03-18 2010-11-17 新乡县中联金铅有限公司 Oxygen side blown metal melting reduction furnace
CN103194557A (en) * 2013-03-28 2013-07-10 姜尊瀚 Novel gas fusing and melting furnace
CN103551520A (en) * 2013-11-14 2014-02-05 邵宏 Energy-saving efficient salt core melting-casting furnace
CN104006392A (en) * 2014-05-13 2014-08-27 上海煜工环保科技有限公司 Preparation type ash residue fusion device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2251782A1 (en) * 1973-11-16 1975-06-13 Sumitomo Electric Industries
CH600242A5 (en) * 1975-09-03 1978-06-15 Von Roll Ag
US4166421A (en) * 1976-08-20 1979-09-04 Heenan Environmental Systems Ltd. Cyclonic furnace
CN2874382Y (en) * 2006-02-27 2007-02-28 吕学平 Furnace for smelting quartz production
CN2911450Y (en) * 2006-06-05 2007-06-13 丁云波 Medical multiple cyclone garbage incinerator
CN1877197A (en) * 2006-07-04 2006-12-13 潘云芳 Combined incineration treatment method for refuse and special vertical oxygen-enriched continuous incinerator
CN1908518A (en) * 2006-08-21 2007-02-07 东北大学 Electric arc molten processing system and method for processing rubbish combustion ash
CN201634742U (en) * 2010-03-18 2010-11-17 新乡县中联金铅有限公司 Oxygen side blown metal melting reduction furnace
CN103194557A (en) * 2013-03-28 2013-07-10 姜尊瀚 Novel gas fusing and melting furnace
CN103551520A (en) * 2013-11-14 2014-02-05 邵宏 Energy-saving efficient salt core melting-casting furnace
CN104006392A (en) * 2014-05-13 2014-08-27 上海煜工环保科技有限公司 Preparation type ash residue fusion device

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Application publication date: 20150603