CN203286879U - Water cooling tuyere for cupola furnace - Google Patents
Water cooling tuyere for cupola furnace Download PDFInfo
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- CN203286879U CN203286879U CN2013202463189U CN201320246318U CN203286879U CN 203286879 U CN203286879 U CN 203286879U CN 2013202463189 U CN2013202463189 U CN 2013202463189U CN 201320246318 U CN201320246318 U CN 201320246318U CN 203286879 U CN203286879 U CN 203286879U
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- tuyere
- air port
- pipe
- water
- inner sleeve
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Abstract
The utility model discloses a water cooling tuyere for a cupola furnace. The water cooling tuyere comprises a tuyere outer sleeve, a water inlet pipe and a water outlet pipe. A tuyere sleeve flange is arranged at one end of the tuyere outer sleeve, wherein a tuyere inner sleeve is arranged inside the tuyere outer sleeve. The end portion of the tuyere inner sleeve is fixedly connected with an air pipe flange. The diameter of the tuyere inner sleeve is smaller than the diameter of the tuyere outer sleeve. The gap between the tuyere inner sleeve and the tuyere outer sleeve forms a water return pipe. An inner pipe is arranged in the water return pipe. One end of the inner pipe is communicated with the water inlet pipe, and the other end of the inner pipe stretches to the bottom of the water return pipe. One end of the water return pipe is closed, and the other end of the water return pipe is communicated with the water outlet pipe. The length of the tuyere inner sleeve is larger than the length of the tuyere outer sleeve. The tuyere inner sleeve, the tuyere outer sleeve, the inner pipe, the water inlet pipe and the water outlet pipe are fixedly connected. The water cooling tuyere is simple in structure, convenient to use, smooth in water circulation, and good in air inlet effect, and the cupola furnace is high in combustion efficiency.
Description
Technical field:
The utility model relates to furnace cupola and improves technical field, relates in particular to a kind of furnace cupola water cooled tuyere.
Background technology:
Furnace cupola, be the visual plant of melting iron in Foundry Production, is poured in sand mold after casting pig is fused into molten iron, opens sandbox after cooling and obtain foundry goods.Furnace cupola is a kind of vertical cylindrical shape smelting furnace, and its structure is generally.The cupola shaft bottom is sitting on base, and upper side has charge door, and bottom is equipped with gemel door and finishes rear prepurging for fusing.There is 1～2 air-discharging import at 350～700 millimeters away from furnace bottom places be, are called air port, and air port is inserted in tuyere case, and tuyere case is fixedly connected with shaft.The bottom, air port is cupola well, has tapping hole and slag notch.From charge door take down to air port as preheating zone and the fusion zone of metal charge.Furnace cupola cylindrical shape shaft shell is made with steel plate, and the steel plate shell inwall is built into furnace lining with refractory material such as refractory brick.
The course of work of furnace cupola: in the stove of first a certain amount of coal being packed into, as bed coke, its height is generally more than one meter.After igniting, bed coke is added to specified altitude, from air port to the end face of bed coke be bed coke height.Lime stone, metal charge and the coke charge that then by the melting rate of stove, will prepare add from charge door in order in batches.Keep furnace charge end face edge under charge door in whole blow-on process.Air in air port blasts stove is with bed coke generation combustion reaction, and the high-temperature furnace gas of generation upwards flows, and to the furnace charge heating, and first metal charge on the bed coke end face is melted.Iron after fusing drops in the process that drops to cupola well, by high-temperature furnace gas and red-hot coke, is further heated, and it is overheated that this process is called.Along with the become estranged fusing of metal charge of the burning of bed coke, the bed of material descends gradually.After every batch of furnace charge fusing, fuel is supplemented by additional coke charge, and bed coke height is remained unchanged basically, and whole fusion process is carried out continuously.Furnace cupola take combustion zone as core, is divided into from top to bottom: 5 zones such as preheating zone, fusion zone, zone of reduction, oxidized zone and cupola well.
For increasing the burning usefulness of foundry coke, must blast air in the bottom of furnace cupola, still, how in the situation that high temperature (air port is inserted into inside, furnace wall) air intake and guarantee that it is more scabrous technical problem that air-intake device is not melted.Research for this problem, adopting water-cooled cooling is the technical method of commonly using, and still, traditional water-cooled cooling (traditional air port is built-in U shape water pipe) exists water circulation not smooth, in pipeline, water is by high thermosetting steam, and the problem that causes carrying out water circulation happens occasionally.For solving this technical problem, need appearance a kind of simple in structure, easy to use, water circulation is unobstructed, and air inlet effect is good, the high a kind of furnace cupola water cooled tuyere of furnace cupola burning usefulness.
Summary of the invention:
The purpose of this utility model is to overcome the shortcoming that exists in prior art, provides a kind of simple in structure, easy to use, and water circulation is unobstructed, and air inlet effect is good, the high a kind of furnace cupola water cooled tuyere of furnace cupola burning usefulness.
to achieve these goals, the utility model provides a kind of furnace cupola water cooled tuyere, comprise the air port outer tube, water inlet pipe and outlet pipe, one end of air port outer tube is provided with the tuyere case flange, wherein, the inside of described air port outer tube is provided with the air port inner sleeve, the end of air port inner sleeve is fixedly connected with air duct flange, the caliber of air port inner sleeve is less than the caliber of air port outer tube, the gap that exists between air port inner sleeve and air port outer tube has formed return pipe, be provided with inner tube in described return pipe, one end of described inner tube is connected with water inlet pipe, the other end extends to the bottom of return pipe, one end sealing of described return pipe, the other end is connected with outlet pipe.
The length that the length of described air port inner sleeve is longer than the air port outer tube, described air port inner sleeve, described air port outer tube, described inner tube, be fixedly connected with between described water inlet pipe, described outlet pipe.
Common body of heater with the part-structure of tuyere case is: the body of heater both sides arrange tuyere case, tuyere case extends in body of heater, and a side of tuyere case arranges the air-supply bend pipe, is connected with bellows by the bellows tube connector on the air-supply bend pipe, bellows are fixed on tank top, and tank is looped around the outer wall periphery of body of heater.Be provided with water outlet endless tube and water inlet endless tube in tank.So, when the utility model uses, described tuyere case flange be used for body of heater on tuyere case between be fixedly connected with.Described air duct flange is used for connecting the air-supply bend pipe.Described water inlet pipe is used for connecting the water inlet endless tube.Described outlet pipe is used for connecting the water outlet endless tube.Plug together and be connected between the utility model (being air port) and tuyere case.
The utility model has the advantage of, simple in structure, easy to use, water circulation is unobstructed, and air inlet effect is good, and furnace cupola burning usefulness is high, is specially:
During the utility model work, the water of water inlet endless tube enters into inner tube along water inlet pipe, inner tube extends to the bottom of return pipe, water is injected into the bottom of return pipe from inner tube, water refluxes along the outer wall (being the return pipe that the gap between inner tube and air port inner sleeve, air port outer tube forms) of inner tube, entering the water outlet endless tube along outlet pipe, after cooling by tank (tank is connected with cooling tower by overflow valve), move in circles, this kind mode has avoided traditional U-shaped pipe pipeline to cause steam to produce, the problem that water circulation is not smooth.The air port inner sleeve, by air intake in bellows phase body of heater, improves burning usefulness, can make the furnace cupola operation that worked long hours, and enhances productivity.
Description of drawings:
Fig. 1 is external structure schematic diagram of the present utility model.
Fig. 2 is sectional structure schematic diagram of the present utility model.
Fig. 3 is use state diagram of the present utility model.
The accompanying drawing sign:
1, air duct flange 2, water inlet pipe 3, outlet pipe
4, tuyere case flange 5, inner tube 6, air port outer tube
7, air port inner sleeve 8, air-supply bend pipe 9, bellows tube connector
10, bellows 11, air port 12, body of heater
13, water outlet endless tube 14, water inlet endless tube
The specific embodiment:
Below in conjunction with accompanying drawing, the utility model is described.As shown in Figure 1-Figure 3, Fig. 1 is external structure schematic diagram of the present utility model.Fig. 2 is sectional structure schematic diagram of the present utility model.Fig. 3 is use state diagram of the present utility model.
the utility model comprises air port outer tube 6, water inlet pipe 2 and outlet pipe 3, one end of air port outer tube 6 is provided with tuyere case flange 4, wherein, the inside of air port outer tube 6 is provided with air port inner sleeve 7, the end of air port inner sleeve 7 is fixedly connected with air duct flange 1, the caliber of air port inner sleeve 7 is less than the caliber of air port outer tube 6, the gap that exists between air port inner sleeve 7 and air port outer tube 6 has formed return pipe, be provided with inner tube 5 in return pipe, one end of inner tube 5 is connected with water inlet pipe 3, the other end extends to the bottom of return pipe, one end sealing of return pipe, the other end is connected with outlet pipe 3.The length of air port inner sleeve 7 is longer than the length of air port outer tube 6, air port inner sleeve 7, air port outer tube 6, and inner tube 5, be fixedly connected with between water inlet pipe 2, outlet pipe 3.
Common body of heater 12 with the part-structure of tuyere case is: body of heater 12 both sides arrange tuyere case, tuyere case extends in body of heater 12, one side of tuyere case arranges air-supply bend pipe 8, be connected with bellows 10 by bellows tube connector 9 on air-supply bend pipe 8, bellows 10 are fixed on tank top, and tank is looped around the outer wall periphery of body of heater 12.Be provided with water outlet endless tube 13 and water inlet endless tube 14 in tank.So, when the utility model uses, tuyere case flange 4 be used for body of heater 12 on tuyere case between be fixedly connected with.Air duct flange 1 is used for connecting air-supply bend pipe 8.Water inlet pipe 2 is used for connecting water inlet endless tube 14.Outlet pipe 3 is used for connecting water outlet endless tube 13.Plug together and be connected between the utility model (being air port 11) and tuyere case.
the utility model is simple in structure, easy to use, water circulation is unobstructed, air inlet effect is good, furnace cupola burning usefulness is high, during the utility model work, the water of water inlet endless tube enters into inner tube along water inlet pipe, inner tube extends to the bottom of return pipe, water is injected into the bottom of return pipe from inner tube, water (is inner tube and air port inner sleeve along the outer wall of inner tube, the return pipe that gap between the outer tube of air port forms) reflux, entering the water outlet endless tube along outlet pipe, after cooling by tank (tank is connected with cooling tower by overflow valve), move in circles, this kind mode has avoided traditional U-shaped pipe pipeline to cause steam to produce, the problem that water circulation is not smooth.The air port inner sleeve, by air intake in bellows phase body of heater, improves burning usefulness, can make the furnace cupola operation that worked long hours, and enhances productivity.
Claims (2)
1. furnace cupola water cooled tuyere, comprise the air port outer tube, water inlet pipe and outlet pipe, one end of air port outer tube is provided with the tuyere case flange, it is characterized in that, the inside of described air port outer tube is provided with the air port inner sleeve, the end of air port inner sleeve is fixedly connected with air duct flange, the caliber of air port inner sleeve is less than the caliber of air port outer tube, the gap that exists between air port inner sleeve and air port outer tube has formed return pipe, be provided with inner tube in described return pipe, one end of described inner tube is connected with water inlet pipe, the other end extends to the bottom of return pipe, one end sealing of described return pipe, the other end is connected with outlet pipe.
2. furnace cupola water cooled tuyere according to claim 1, it is characterized in that the length that the length of described air port inner sleeve is longer than the air port outer tube, described air port inner sleeve, described air port outer tube, described inner tube, be fixedly connected with between described water inlet pipe, described outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202463189U CN203286879U (en) | 2013-04-21 | 2013-04-21 | Water cooling tuyere for cupola furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202463189U CN203286879U (en) | 2013-04-21 | 2013-04-21 | Water cooling tuyere for cupola furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203286879U true CN203286879U (en) | 2013-11-13 |
Family
ID=49543237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202463189U Expired - Fee Related CN203286879U (en) | 2013-04-21 | 2013-04-21 | Water cooling tuyere for cupola furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203286879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057203A (en) * | 2019-05-14 | 2019-07-26 | 安徽轩鸣新材料有限公司 | The manufacturing smoke processing system of rock wool |
-
2013
- 2013-04-21 CN CN2013202463189U patent/CN203286879U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057203A (en) * | 2019-05-14 | 2019-07-26 | 安徽轩鸣新材料有限公司 | The manufacturing smoke processing system of rock wool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20140421 |