CN204165377U - A kind of gas-fired cupola - Google Patents
A kind of gas-fired cupola Download PDFInfo
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- CN204165377U CN204165377U CN201420562223.2U CN201420562223U CN204165377U CN 204165377 U CN204165377 U CN 204165377U CN 201420562223 U CN201420562223 U CN 201420562223U CN 204165377 U CN204165377 U CN 204165377U
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- heater
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- air inlet
- inlet pipe
- row burner
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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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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Abstract
The utility model discloses a kind of gas-fired cupola, comprise body of heater, bottom of furnace body is provided with Ceramic Balls, above Ceramic Balls, furnace charge is housed, on body of heater, the position of corresponding furnace charge is provided with first row burner, on body of heater, the position of corresponding placing ceramic ball is provided with second row burner, and first row burner and second row burner are connected oxygen rich fuel gas air inlet pipe and hot blast air inlet pipe respectively.The utility model gas-fired cupola adopts first row burner directly to carry out heat fused to the furnace charge in body of heater, and the iron liquid after fusing is overheated and reduction by Ceramic Balls, and this version can melting batch efficiently, makes bonded hard ferrite magnet reach at 1500 DEG C-1550 DEG C; In addition Ceramic Balls is deposited in bottom of furnace body, does not need water cooled grating to support, eliminate the potential safety hazard that existing gas-fired cupola exists in process of production.
Description
Technical field
The utility model relates to smelting equipment technical field, specifically relates to a kind of gas cupola for melting metal.
Background technology
Furnace cupola is a kind of vertical cylindrical shape smelting furnace, is the visual plant of melting iron in Foundry Production, in order to casting pig is fused into molten iron.Tradition furnace cupola uses coke as fuel, and in stove, casting pig directly contacts with coke, and combustion-supporting from air port air blast, makes casting pig continuous melting.But owing to using coke can make a very bad impression to environment, do not reach the object of low-carbon energy-saving environmental protection, do not meet social orientation.Therefore, current many producers other melting modes of many employings carry out alternative traditional furnace cupola, as gas-fired cupola adopts gaseous fuel or liquid fuel, have the advantage of cleaning, environmental protection.Existing gas-fired cupola produces thermal current by fuel combustion, makes Ceramic Balls overheated, and to guarantee that the furnace charge post on it is fully warmed-up, furnace charge is fused into molten iron, and molten iron to be contacted with Ceramic Balls by Ceramic Balls and continues by the gain of heat.This equipment needs to adopt water cooled grating to support Ceramic Balls, if water cooled grating damages in process of production, blast or body of heater can be caused to break, there is comparatively serious potential safety hazard.And the bonded hard ferrite magnet of this device fabrication is lower, though some can make bonded hard ferrite magnet be increased to more than 1400 DEG C, only can maintain a period of time, blow-on rear bonded hard ferrite magnet of long duration can be down to less than 1400 DEG C again.
Utility model content
Based on above-mentioned technical problem, the utility model provides a kind of gas-fired cupola.
Its technical solution is:
A kind of gas-fired cupola, comprise body of heater, bottom of furnace body is provided with Ceramic Balls, above Ceramic Balls, furnace charge is housed, on body of heater, the position of corresponding furnace charge is provided with first row burner, and first row burner connects oxygen rich fuel gas air inlet pipe and hot blast air inlet pipe respectively.
Preferably, on body of heater, the position of corresponding placing ceramic ball is provided with second row burner, and second row burner connects oxygen rich fuel gas air inlet pipe and hot blast air inlet pipe respectively.
Preferably, upper of furnace body is provided with heat exchanger, the air inlet of heat exchanger connects ajutage, and ajutage is provided with breeze fan, and the gas outlet of heat exchanger connects discharge pipe, and discharge pipe connects above-mentioned hot blast air inlet pipe by bellows.
Preferably, body of heater top is provided with feeding port, feeding port is positioned at the top of heat exchanger, body of heater side is provided with hopper, between hopper and feeding port, is provided with cat ladder.
Preferably, body of heater side is provided with forehearth, body of heater bottom is communicated with forehearth by the iron liquid conveyance conduit be obliquely installed.
Preferably, below body of heater, be provided with support, be provided with the roller facilitating furnace bottom in the enterprising line position movement of support in body of heater bottom surface.
Preferably, be provided with induced duct above described body of heater, described induced duct connects sack cleaner.
Preferably, described first row burner, second row burner arrange 4,6 or 8 respectively, and are evenly arranged along body of heater periphery.
Advantageous Effects of the present utility model is:
(1) the utility model gas-fired cupola adopts first row burner directly to carry out heat fused to the furnace charge in body of heater, iron liquid after fusing is overheated by Ceramic Balls, reduction, this version can melting batch efficiently, bonded hard ferrite magnet is made to reach 1500 DEG C-1550 DEG C, and can remain within the scope of said temperature, the later stage also there will not be the situation of bonded hard ferrite magnet automatic descending.
(2) Ceramic Balls is deposited in bottom of furnace body by the utility model gas-fired cupola, does not need water cooled grating to support, and eliminates the potential safety hazard that existing gas-fired cupola exists in process of production.
(3) the utility model gas-fired cupola adopts second row burner to the Ceramic Balls preheating of bottom of furnace body, prevents blow-on starting stage iron liquid from not reaching temperature required, avoids occurring that iron liquid is wasted.
(4) Ceramic Balls of placing bottom the utility model gas-fired cupola can play the effect supporting furnace charge on the one hand, on the other hand can and oxidizing component in reduced iron liquid overheated to the iron liquid after fusing, iron liquid flows into body of heater bottom from the gap between spheroid, and flow in forehearth through iron liquid conveyance conduit.
(5) heat exchanger is arranged on the below of feeding port by the utility model gas-fired cupola, its temperature can be controlled at comparatively suitable about 300 DEG C, avoid causing damage to instrument, valve etc., handled easily personnel are close, and do not need cooling blower to cool.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
In figure: 1-body of heater, 2-Ceramic Balls, 3-furnace charge, 4-first row burner, 5-first oxygen rich fuel gas air inlet pipe, 6-first hot blast air inlet pipe, 7-second row burner, 8-second oxygen rich fuel gas air inlet pipe, 9-second hot blast air inlet pipe, 10-heat exchanger, 11-ajutage, 12-breeze fan, 13-discharge pipe, 14-bellows, 15-feeding port, 16-hopper, 17-cat ladder, 18-induced duct, 19-reducer, 20-forehearth, 21-iron liquid conveyance conduit, 22-casting ladle, 23-support, 24-roller.
Detailed description of the invention
By reference to the accompanying drawings, a kind of gas-fired cupola, comprise the vertical body of heater 1 arranged, several Ceramic Balls 2 are provided with in the bottom of body of heater 1, Ceramic Balls 2 can commercially obtain, it has on the one hand high rigidity can in order to support furnace charge, on the other hand can be overheated to the iron liquid after fusing, and there is certain reducing power can oxidizing component reduction after fusing in iron liquid.Furnace charge 3 is housed above Ceramic Balls 2, and on body of heater 1, the position of corresponding furnace charge 3 is provided with first row burner 4, and first row burner 4 connects the first oxygen rich fuel gas air inlet pipe 5 and the first hot blast air inlet pipe 6 respectively.On body of heater 1, the position of corresponding placing ceramic ball is provided with second row burner 7, and second row burner 7 connects the second oxygen rich fuel gas air inlet pipe 8 and the second hot blast air inlet pipe 9 respectively.The top of body of heater 1 is provided with heat exchanger 10, heat exchanger 10 is in the annular housing structure be nested with outside furnace body wall, its air inlet connects ajutage 11, ajutage 11 is provided with breeze fan 12, its gas outlet connects discharge pipe 13, and discharge pipe 13 is connected with above-mentioned first hot blast air inlet pipe 6, second hot blast air inlet pipe 9 respectively by bellows 14.First oxygen rich fuel gas air inlet pipe 5, first hot blast air inlet pipe 6, second oxygen rich fuel gas air inlet pipe 8 and the second hot blast air inlet pipe 9 are provided with by-pass valve control.The top of body of heater 1 is provided with feeding port 15, and feeding port 15 is positioned at the top of heat exchanger 10, body of heater 1 side is provided with hopper 16, is provided with cat ladder 17 between hopper 16 and feeding port 15.Above body of heater 1, be provided with induced duct 18, one end of induced duct 18 connects the exhanst gas outlet of body of heater 1 by reducer 19, and the other end of induced duct 18 connects sack cleaner.The side of body of heater 1 is provided with forehearth 20, and the bottom of body of heater 1 is communicated with forehearth 20 by the iron liquid conveyance conduit 21 be obliquely installed.The side of forehearth 20 is provided with casting ladle 22.The below of body of heater 1 is provided with support 23, the furnace bottom bottom surface of body of heater 1 is provided with roller 24, roller 24 can facilitate furnace bottom to move at the enterprising line position of support, and easy access is safeguarded.
The preferred 150mm of diameter of above-mentioned Ceramic Balls, the preferred 1.5m of piling height of Ceramic Balls.
Further, above-mentioned first row burner 4 preferably arranges 4,6 or 8 respectively with second row burner 7, and is preferably evenly arranged along body of heater periphery.
The course of work of the present utility model is roughly as follows:
Before blow-on, first pile up several Ceramic Balls 2 in the bottom of body of heater 1 and to desired height, then in body of heater 1, load furnace charge 3, the furnace charge in hopper 16 is delivered to feeding port 15 place through cat ladder 17, and loads in body of heater 1 through feeding port 15.To feed rear blow-on.First open the by-pass valve control in the second oxygen rich fuel gas air inlet pipe 8 and the second hot blast air inlet pipe 9 at blow-on initial period, give Ceramic Balls 2 preheating by second row burner 7, make it reach temperature required.Then open the by-pass valve control in the first oxygen rich fuel gas air inlet pipe 5 and the first hot blast air inlet pipe 6, by the first burner 4 to furnace charge heating, close the by-pass valve control in the second oxygen rich fuel gas air inlet pipe 8 and the second hot blast air inlet pipe 9 in good time.Furnace charge in body of heater 1 becomes iron liquid through first row burner 4 heat fused, and slit flow between Ceramic Balls 2 is to the bottom of body of heater 1, iron liquid is when through Ceramic Balls 2, overheated and the wherein oxidizing component of iron liquid is reduced, then iron liquid is delivered in forehearth 20 through iron liquid conveyance conduit 21, flows into casting ladle 22 afterwards.The flue gas produced in load melting process, after heat exchanger 10 heat exchange cooling, is delivered in sack cleaner through reducer 19, induced duct 18 successively, discharges after dedusting.Air from ajutage 11 is delivered to the first hot blast air inlet pipe 6 and the second hot blast air inlet pipe 9 after heat exchanger 10 heat exchange heats up, materials when burning as first row burner 4 and second row burner 7.
The relevant technologies content do not addressed in aforesaid way is taked or uses for reference prior art to realize.
It should be noted that, under the instruction of this description, any equivalents done by those skilled in the art, or obvious variant, all should within protection domain of the present utility model.
Claims (9)
1. a gas-fired cupola, it is characterized in that: comprise body of heater, bottom of furnace body is provided with Ceramic Balls, above Ceramic Balls, furnace charge is housed, on body of heater, the position of corresponding furnace charge is provided with first row burner, and first row burner connects oxygen rich fuel gas air inlet pipe and hot blast air inlet pipe respectively.
2. a kind of gas-fired cupola according to claim 1, is characterized in that: on body of heater, the position of corresponding placing ceramic ball is provided with second row burner, and second row burner connects oxygen rich fuel gas air inlet pipe and hot blast air inlet pipe respectively.
3. a kind of gas-fired cupola according to claim 1 and 2, it is characterized in that: upper of furnace body is provided with heat exchanger, the air inlet of heat exchanger connects ajutage, ajutage is provided with breeze fan, the gas outlet of heat exchanger connects discharge pipe, and discharge pipe connects above-mentioned hot blast air inlet pipe by bellows.
4. a kind of gas-fired cupola according to claim 3, it is characterized in that: body of heater top is provided with feeding port, feeding port is positioned at the top of heat exchanger, body of heater side is provided with hopper, between hopper and feeding port, is provided with cat ladder.
5. a kind of gas-fired cupola according to claim 1, is characterized in that: body of heater side is provided with forehearth, and body of heater bottom is communicated with forehearth by the iron liquid conveyance conduit be obliquely installed.
6. a kind of gas-fired cupola according to claim 1, is characterized in that: below body of heater, be provided with support, is provided with the roller facilitating furnace bottom in the enterprising line position movement of support in body of heater bottom surface.
7. a kind of gas-fired cupola according to claim 1, is characterized in that: be provided with induced duct above described body of heater, and described induced duct connects sack cleaner.
8. a kind of gas-fired cupola according to claim 1, is characterized in that: described first row burner arranges 4,6 or 8 altogether, and is evenly arranged along body of heater periphery.
9. a kind of gas-fired cupola according to claim 2, is characterized in that: described second row burner arranges 4,6 or 8 altogether, and is evenly arranged along body of heater periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420562223.2U CN204165377U (en) | 2014-09-28 | 2014-09-28 | A kind of gas-fired cupola |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420562223.2U CN204165377U (en) | 2014-09-28 | 2014-09-28 | A kind of gas-fired cupola |
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| Publication Number | Publication Date |
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| CN204165377U true CN204165377U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420562223.2U Active CN204165377U (en) | 2014-09-28 | 2014-09-28 | A kind of gas-fired cupola |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315838A (en) * | 2014-09-28 | 2015-01-28 | 谌守兵 | Gas cupola furnace |
| WO2019201182A1 (en) * | 2018-04-17 | 2019-10-24 | 广东北晟益通实业有限公司 | Cupola furnace employing plasma to perform melting process, and iron melting method thereof |
-
2014
- 2014-09-28 CN CN201420562223.2U patent/CN204165377U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315838A (en) * | 2014-09-28 | 2015-01-28 | 谌守兵 | Gas cupola furnace |
| CN104315838B (en) * | 2014-09-28 | 2016-02-03 | 谌守兵 | Gas-fired cupola |
| WO2019201182A1 (en) * | 2018-04-17 | 2019-10-24 | 广东北晟益通实业有限公司 | Cupola furnace employing plasma to perform melting process, and iron melting method thereof |
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