CN204854308U - Environmental protection furnace cupola - Google Patents
Environmental protection furnace cupola Download PDFInfo
- Publication number
- CN204854308U CN204854308U CN201520406061.8U CN201520406061U CN204854308U CN 204854308 U CN204854308 U CN 204854308U CN 201520406061 U CN201520406061 U CN 201520406061U CN 204854308 U CN204854308 U CN 204854308U
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- CN
- China
- Prior art keywords
- pipe
- furnace
- heater
- pitot tube
- flue gas
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model discloses an environmental protection furnace cupola, including furnace body and pollutant measuring device, furnace inner wall is equipped with the heat preservation, and the water cooled grating is installed in the position on the lower side in the furnace body middle part, and the water cooled grating has the cold water pipe, and inlet tube and outlet pipe are connected respectively to the cold water pipe both ends, the top of furnace body is provided with the material loading mouth, the furnace body upper end is equipped with waste heat recovery device, and waste heat recovery device is including standing by as an outsider to interior four the hollow oval water jackets of both ends open -ended, and outmost hollow oval water jacket upper portion is connected with the chimney, being equipped with the branch pipe on the chimney, being equipped with pollutant measuring device on the branch pipe, pollutant measuring device includes sleeve pipe, digital pressure gauge and flue gas apparatus, the utility model discloses realize the oxygen boosting burning of the natural gas, the furnace temperature that heaies up rapidly shortens furnace charge melting time, emission that pollutant measuring device can real -time measurement smoke pollutants to effectively monitor the emission of flue gas.
Description
Technical field
The utility model relates to a kind of furnace cupola, specifically a kind of environmental protection furnace cupola.
Background technology
In casting production process, be poured in sand mold after iron charge need being fused into molten iron.General conventional furnace cupola or electric furnace melt iron charge, furnace melting environmental protection, efficient, but due to its cost and use cost all high, therefore current in the majority with furnace cupola iron.And existing furnace cupola generally adopts coke as fuel, and support furnace charge using coke layer as heat exchange bed, play the carburetting to molten iron, reduction.But use coke as the furnace cupola of fuel, the flue dust of its discharge is very serious to atmosphere pollution, is unfavorable for environmental protection.
Utility model content
The purpose of this utility model is to provide a kind of environmental protection furnace cupola, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of environmental protection furnace cupola, comprise body of heater and contaminant measurement device, described inboard wall of furnace body is provided with heat-insulation layer, and in the middle part of body of heater, position on the lower side is provided with water cooled grating, and water cooled grating has cold water pipe, and cold water pipe two ends connect water inlet pipe and outlet pipe respectively; The lower position of described body of heater inner chamber is provided with slag notch, and the body of heater inner chamber of relative slag notch is provided with molten iron outlet; On furnace body outer wall below described water cooled grating, circumference is evenly equipped with four neat gas burners, neat gas burner is connected with oxygen hose, described upper of furnace body sidewall is provided with the box-type heat exchanger absorbing hot blast in body of heater, be connected by warm-air pipe between box-type heat exchanger with neat gas burner, oxygen hose is communicated with warm-air pipe; The top of described body of heater is provided with feeding port, and feeding port is positioned at the top of box-type heat exchanger; Described body of heater upper end is provided with waste-heat recovery device, and waste-heat recovery device comprises Zi the hollow ellipse water jacket outward to interior four both ends opens, and the gap between hollow ellipse water jacket forms flue; Outermost layer hollow ellipse water jacket bottom is provided with water inlet, and the top of hollow ellipse water jacket is connected with delivery port, and by some horizontal cross currents between hollow ellipse water jacket, outermost layer hollow ellipse water jacket top is connected with chimney; Chimney is provided with arm, and arm is provided with contaminant measurement device, and contaminant measurement device comprises sleeve pipe, digital pressure gauge and flue gas analyzer, and sleeve pipe is the rubber tube of one end open, the openend connecting branch of sleeve pipe; Described sleeve pipe tube wall is provided with Pitot tube via hole, and Pitot tube via hole distance sleeve nozzle position is 2 ~ 5 times of places of sleeve pipe caliber, and Pitot tube via hole aperture is mated with Pitot tube external diameter; Be positioned at Pitot tube via hole correspondence position in described sleeve pipe and be provided with installing rack, installing rack is provided with annulus and lower annulus, Pitot tube is fixed on annulus, and flue gas analyzer probe is fixed on lower annulus, and Pitot tube is identical with fume emission direction with flue gas analyzer probe setting direction; Pitot tube one end is fixed on installing rack, and the other end stretches out outside sleeve pipe through Pitot tube via hole and is connected with digital pressure gauge by flexible pipe, and installing rack is also equipped with flue gas analyzer probe, flue gas analyzer probe is connected to the flue gas analyzer outside sleeve pipe by connecting line.
Further, described water cooled grating is placed with rich carbon ceramics ball.
Further, body of heater side is provided with hopper, between hopper and feeding port, be provided with cat ladder.
Compared with prior art, water cooled grating of the present utility model is placed with rich carbon ceramics ball, metal charge to be melted is piled up on rich carbon ceramics ball, rich carbon ceramics ball can to replace in coke furnace cupola coke to the overheated heat effect of furnace charge, furnace charge after fusing can rapid temperature increases through the rich carbon ceramics ball of high temperature, instead of the effect of coke overheated zone, rich carbon ceramics ball is rich in carbon simultaneously, good carburetion can be played to the molten iron through rich carbon ceramics ball, correspondingly serve the effect of coke to molten iron carburetting; Realize the oxygen-enriched combusting of natural gas, rapid temperature increases furnace temperature, shorten load melting times; Add the absorption of water jacket to waste heat, improve the utilization rate of waste heat of cupola furnace; Contaminant measurement device can measure the discharge capacity of flue gas pollutant in real time, thus the discharge of effective monitoring flue gas protects atmospheric environment, and whole device detection perform is stablized, and testing result is accurate.
Accompanying drawing explanation
Fig. 1 is the structural representation of environmental protection furnace cupola.
Fig. 2 is the structural representation of contaminant measurement device in environmental protection furnace cupola.
Detailed description of the invention
Be described in more detail below in conjunction with the technical scheme of detailed description of the invention to this patent.
Refer to Fig. 1-2, a kind of environmental protection furnace cupola, comprise body of heater 1 and contaminant measurement device 5, described body of heater 1 inwall is provided with heat-insulation layer 11, in the middle part of body of heater 1, position on the lower side is provided with water cooled grating 12, water cooled grating 12 has cold water pipe, cold water pipe two ends connect water inlet pipe and outlet pipe respectively, water cooled grating 12 had both played the effect supporting furnace charge, simultaneously because water cooled grating 12 cools self, the continuous melting of furnace charge can be ensured, described water cooled grating 12 is placed with rich carbon ceramics ball 14, metal charge to be melted is piled up on rich carbon ceramics ball 14, rich carbon ceramics ball 14 can to replace in coke furnace cupola coke to the overheated heat effect of furnace charge, furnace charge after fusing can rapid temperature increases when the rich carbon ceramics ball 14 of high temperature, instead of the effect of coke overheated zone, rich carbon ceramics ball 14 is rich in carbon simultaneously, good carburetion can be played to the molten iron through rich carbon ceramics ball 14, correspondingly serve the effect of coke to molten iron carburetting, the lower position of described body of heater 1 inner chamber is provided with slag notch 19, and body of heater 1 inner chamber of relative slag notch 19 is provided with molten iron outlet 13, on body of heater 1 outer wall below described water cooled grating 12, circumference is evenly equipped with four neat gas burners 15, neat gas burner 15 is connected with oxygen hose 16, described body of heater 1 upper portion side wall is provided with the box-type heat exchanger 17 absorbing hot blast in body of heater 1, be connected by warm-air pipe 18 between box-type heat exchanger 17 with neat gas burner 15, oxygen hose 16 is communicated with warm-air pipe 18, like this when burning, box-type heat exchanger 17 passes into hot blast to neat gas burner, can economize energy, and oxygen hose 16 passes into a certain proportion of oxygen in warm-air pipe, realizes the oxygen-enriched combusting of natural gas, rapid temperature increases furnace temperature, shortens load melting times, the top of described body of heater 1 is provided with feeding port 21, and feeding port 21 is positioned at the top of box-type heat exchanger 17, and body of heater 1 side is provided with hopper 23, is provided with cat ladder 22 between hopper 23 and feeding port 21, described body of heater 1 upper end is provided with waste-heat recovery device 3, and waste-heat recovery device 3 comprises Zi the hollow ellipse water jacket 31 outward to interior four both ends opens, and the gap between hollow ellipse water jacket 31 forms flue 32, outermost layer hollow ellipse water jacket 31 bottom is provided with water inlet 34, and the top of hollow ellipse water jacket 31 is connected with delivery port 35, is communicated with between hollow ellipse water jacket 31 by some horizontal water pipes 36, and outermost layer hollow ellipse water jacket 31 top is connected with chimney 33, by forming multilayer flue 32 between the hollow ellipse water jacket 31 of four both ends opens, the waste heat of Cupola absorbs, this design adds surface area and the length of exhaust gases passes, add the absorption of water jacket to waste heat, improve the utilization rate of waste heat of cupola furnace, chimney 33 is provided with arm 4, and arm 4 is provided with contaminant measurement device 5, and contaminant measurement device 5 comprises sleeve pipe 51, digital pressure gauge 55 and flue gas analyzer 56, and sleeve pipe 51 is the rubber tube of one end open, the openend connecting branch 4 of sleeve pipe 51, described sleeve pipe 51 tube wall is provided with Pitot tube via hole 511, and Pitot tube via hole 511 distance sleeve 51 nozzle position is 2 ~ 5 times of places of sleeve pipe 51 caliber, and Pitot tube via hole 511 aperture is mated with Pitot tube 53 external diameter, be positioned at Pitot tube via hole 511 correspondence position in described sleeve pipe 51 and be provided with installing rack 52, installing rack 52 is provided with annulus 521 and lower annulus 522, Pitot tube 53 is fixed on annulus 521, flue gas analyzer 56 probe is fixed on lower annulus 522, and Pitot tube 53 and flue gas analyzer 56 setting direction of popping one's head in is identical with fume emission direction, Pitot tube 53 one end is fixed on installing rack 52, the other end stretches out outside sleeve pipe 51 through Pitot tube via hole 511 and is connected with digital pressure gauge 55 by flexible pipe 54, installing rack 52 is also equipped with flue gas analyzer 56 to pop one's head in, flue gas analyzer 56 is popped one's head in the flue gas analyzer 56 be connected to by connecting line outside sleeve pipe 51, contaminant measurement device 5 can measure the discharge capacity of flue gas pollutant in real time, thus the discharge of effective monitoring flue gas protects atmospheric environment, and whole device detection perform is stablized, and testing result is accurate, during utility model works, rich carbon ceramics ball 14 is poured on water cooled grating 12, furnace charge in hopper 23 is delivered to feeding port 21 place through cat ladder 22, and loads in body of heater 1 through feeding port 21, and neat gas burner 15 combustion preheater is ceased fire after ten minutes stove and the front pot lid of being honored as a queen, rear stove is restarted neat gas burner 15 and is lighted a fire to combustion gas to predetermined value after sealing, pass into predetermined amount of oxygen after five minutes by oxygen hose 16, add in body of heater 1 by normally producing by furnace charge, furnace charge is placed on rich carbon ceramics ball 14, enters the load melting stage, melt complete, first close the oxygen in oxygen hose 16, then stop natural gas, finally close the hot blast in warm-air pipe 18, open furnace bottom, prepurging.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (3)
1. an environmental protection furnace cupola, comprises body of heater and contaminant measurement device, it is characterized in that, described inboard wall of furnace body is provided with heat-insulation layer, in the middle part of body of heater, position on the lower side is provided with water cooled grating, and water cooled grating has cold water pipe, and cold water pipe two ends connect water inlet pipe and outlet pipe respectively; The lower position of described body of heater inner chamber is provided with slag notch, and the body of heater inner chamber of relative slag notch is provided with molten iron outlet; On furnace body outer wall below described water cooled grating, circumference is evenly equipped with four neat gas burners, neat gas burner is connected with oxygen hose, described upper of furnace body sidewall is provided with the box-type heat exchanger absorbing hot blast in body of heater, be connected by warm-air pipe between box-type heat exchanger with neat gas burner, oxygen hose is communicated with warm-air pipe; The top of described body of heater is provided with feeding port, and feeding port is positioned at the top of box-type heat exchanger; Described body of heater upper end is provided with waste-heat recovery device, and waste-heat recovery device comprises Zi the hollow ellipse water jacket outward to interior four both ends opens, and the gap between hollow ellipse water jacket forms flue; Outermost layer hollow ellipse water jacket bottom is provided with water inlet, and the top of hollow ellipse water jacket is connected with delivery port, and by some horizontal cross currents between hollow ellipse water jacket, outermost layer hollow ellipse water jacket top is connected with chimney; Chimney is provided with arm, and arm is provided with contaminant measurement device, and contaminant measurement device comprises sleeve pipe, digital pressure gauge and flue gas analyzer, and sleeve pipe is the rubber tube of one end open, the openend connecting branch of sleeve pipe; Described sleeve pipe tube wall is provided with Pitot tube via hole, and Pitot tube via hole distance sleeve nozzle position is 2 ~ 5 times of places of sleeve pipe caliber, and Pitot tube via hole aperture is mated with Pitot tube external diameter; Be positioned at Pitot tube via hole correspondence position in described sleeve pipe and be provided with installing rack, installing rack is provided with annulus and lower annulus, Pitot tube is fixed on annulus, and flue gas analyzer probe is fixed on lower annulus, and Pitot tube is identical with fume emission direction with flue gas analyzer probe setting direction; Pitot tube one end is fixed on installing rack, and the other end stretches out outside sleeve pipe through Pitot tube via hole and is connected with digital pressure gauge by flexible pipe, and installing rack is also equipped with flue gas analyzer probe, flue gas analyzer probe is connected to the flue gas analyzer outside sleeve pipe by connecting line.
2. environmental protection furnace cupola according to claim 1, is characterized in that, described water cooled grating is placed with rich carbon ceramics ball.
3. environmental protection furnace cupola according to claim 1, is characterized in that, body of heater side is provided with hopper, between hopper and feeding port, be provided with cat ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520406061.8U CN204854308U (en) | 2015-06-12 | 2015-06-12 | Environmental protection furnace cupola |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520406061.8U CN204854308U (en) | 2015-06-12 | 2015-06-12 | Environmental protection furnace cupola |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204854308U true CN204854308U (en) | 2015-12-09 |
Family
ID=54744848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520406061.8U Expired - Fee Related CN204854308U (en) | 2015-06-12 | 2015-06-12 | Environmental protection furnace cupola |
Country Status (1)
| Country | Link |
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| CN (1) | CN204854308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853020A (en) * | 2020-12-31 | 2021-05-28 | 广钢气体(广州)有限公司 | Water-cooled cupola furnace and smelting method using same |
-
2015
- 2015-06-12 CN CN201520406061.8U patent/CN204854308U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853020A (en) * | 2020-12-31 | 2021-05-28 | 广钢气体(广州)有限公司 | Water-cooled cupola furnace and smelting method using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20170612 |