CN204923835U - Can throw gas gyration smelting furnace of material in succession - Google Patents
Can throw gas gyration smelting furnace of material in succession Download PDFInfo
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- CN204923835U CN204923835U CN201520507582.2U CN201520507582U CN204923835U CN 204923835 U CN204923835 U CN 204923835U CN 201520507582 U CN201520507582 U CN 201520507582U CN 204923835 U CN204923835 U CN 204923835U
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- main stove
- hot aggregate
- feed bin
- aggregate bin
- burner
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Abstract
The utility model relates to a can throw gas gyration smelting furnace of material in succession, including preheating feed bin, main stove and nozzle, preheat the feed bin and connect main stove, the nozzle is installed to main stove, and two sets of bearing rollers are installed to the lateral separation on the main furnace frame, and the slope of main stove axis is erect on two sets of bearing rollers, all is equipped with a rotatory ring outside bearing roller support position puts corresponding main stove admittedly, rotatory ring and bearing roller cooperation, the main stove charge door coaxial coupling of the higher one end of main stove preheats the feed bin discharge gate of feed bin, supporting and having a feed bin support preheating the feed bin lower extreme, two sets of bearing rollers are installed with preheating between the feed bin interval to this feed bin support, and the bearing roller is rotated and then is driven by the inverter motor drive and preheats the feed bin rotation. The utility model provides a cold burden utilizes the high temperature burner gas to heat to it and preheats the feed bin via the joining of belt feeder isotructure in, reduces the energy consumption, simple structure, and convenient operation, in reinforced, main stove can intensify and smelt in addition, improves production efficiency.
Description
Technical field
The utility model belongs to casting iron field, especially a kind of can continuous dosing combustion gas revolution smelting furnace.
Background technology
Cast iron smelting furnace can be divided into coke furnace cupola, electric furnace and gas furnace three class according to mode of heating, and the discharge capacitys such as coke furnace cupola particle, sulfur dioxide are large, and environmental pollution is serious; When electric furnace uses, electrical network is impacted large, intermittent tapping, and high expensive; Combustion gas smelting furnace divides again gas-fired cupola and converter two kinds, and wherein gas-fired cupola uses water-cooled grid, and have potential safety hazard, molten iron temperature is low, and electric furnace is with the use of competence exertion greatest benefit.
At present, rotary furnace be service intermittent system, the thermal efficiency about 50%, 5 different phases such as the whole work period is divided into reinforced, fusing, overheated, the liquid that taps a blast furnace, slag tap.Do not need 100 ~ 210 minutes not etc. according to rotary furnace capacity not same production cycle, if can not operate at full capacity, the thermal efficiency can reduce, and production cost increases.Therefore, such duty is relatively applicable to large part and produces, and iron liquid can run low very much, if for the production of smallclothes or modeling ability deficiency, be then unfavorable for the advantage playing rotary furnace; In addition due to heating, molten iron discharging and reinforced time converter main body be in different positions, non-cutting time accounts for 40%, wherein only reinforcedly will take 10 ~ 25 minutes, and production efficiency is lower.
The earlier application close with the art of this patent field:
One can quantity-produced rotary furnace and production method (notification number: 103994654) thereof, comprise converter main body, burner hole, hydrocone type tapping hole, isolation weir, fusion zone, high-temperature region, fixing pre-heating cabin, preheating zone, exhanst gas outlet and heat exchanger, converter main body is made up of refractory material outsourcing heat resisting steel, converter main body axis slant setting, burner hole is shaped with in the middle part of the end face of the lower one end of converter main body, in this burner hole, burner is installed, it is characterized in that: converter main body charging aperture one end is by the lower openings of the pre-heating cabin that is sealedly connected and fixed, the material passage of pre-heating cabin bottom is certain inclination angle, the inner longitudinal cavity of fixing pre-heating cabin is preheating zone, fixing pre-heating cabin top has dog-house, fixing pre-heating cabin upper end is connected with heat exchanger by exhanst gas outlet, in the middle part of the other end of converter main body, burner is installed, and is being shaped with a hydrocone type tapping hole close on the converter body top wall of burner side, the radial isolation weir being shaped with an annular, middle part in converter main body, converter body interior space is divided into fusion zone and high-temperature region two parts by this isolation weir.
Contrast known, technical scheme technology compared with earlier application of present patent application is more perfect, and has technique effect significantly.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, provide that a kind of design science, structure are simple, high-quality and efficient, energy-conserving and environment-protective can the combustion gas revolution smelting furnace of continuous dosing.
The utility model solves its technical problem and takes following technical scheme to realize:
Can continuous dosing combustion gas revolution a smelting furnace, comprise pre-hot aggregate bin, main stove and burner, pre-hot aggregate bin connects main stove, and main stove is provided with burner, it is characterized in that:
On main grate, lateral separation is provided with two groups of carrying rollers, and main stove axis tilting rack is located on two groups of carrying rollers, and the main stove corresponding in carrying roller Support Position is all fixed with a rotating ring outward, and rotating ring coordinates with carrying roller, and motor drives carrying roller rotate and then drive main stove to rotate; The main stove charge door of the higher one end of main stove coaxially connects the feed bin discharge hole of pre-hot aggregate bin;
Pre-hot aggregate bin is the cylinder conical structure of coaxial communication, a silo support is supported with in pre-hot aggregate bin lower end, between this silo support and pre-hot aggregate bin, interval is provided with two groups of carrying rollers, these two groups of pre-hot aggregate bins of carrying roller common support, the pre-hot aggregate bin corresponding in carrying roller Support Position is all fixed with a rotating ring outward, and carrying roller is driven by variable-frequency motor and rotates and then drive pre-hot aggregate bin to rotate.
And described burner is arranged on swingable burner frame; Be shaped with burner hole in the middle part of the end face of the lower one end of main stove, burner inserts in this burner hole and heats in main stove.
And, the tilt adjustable joint of described pre-hot aggregate bin.
And described silo support is arranged on a feed bin dolly upper end, feed bin dolly guiding movement is arranged on the track of horizontal cross setting, and feed bin dolly drives pre-hot aggregate bin transverse shifting.
And the feed inlet of storage bin of pre-hot aggregate bin is coaxially installed with a loading hopper.
Advantage of the present utility model and good effect are:
1, the cold burden in the utility model adds in pre-hot aggregate bin via structures such as belt chargers, utilizes high-temperature furnace gas to its preheating of heating, and improves the thermal efficiency, reduces energy consumption.
2, pre-hot aggregate bin of the present utility model and charging mechanism two-in-one, structure is simple, easy to operate, and while reinforced, and main stove can heat up melting, enhances productivity.
3, the utility model can according to technique needs, and mode of arranging production flexibly can be a small amount of multiple batches of melting, also can expire stove melting.
Accompanying drawing explanation
Fig. 1 is main part general assembly structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the agent structure sectional view of the utility model rotary furnace;
Fig. 4 is the right view of Fig. 1.
Mark in accompanying drawing: 1 burner, 2 main stoves, 3 pre-hot aggregate bins, 4 loading hoppers, 5 tracks, 6 feed bin framves, 7 feed bin dollies, 8 main grates, 9 rotating rings, 10 carrying rollers, 11 burner framves, 12 raw materials, 13 iron liquid.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by specific embodiment, the utility model is described in further detail, and following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
A kind of can continuous dosing combustion gas revolution smelting furnace, main part structure is as shown in Figure of description, the present embodiment is described with direction shown in accompanying drawing 1 for convenience of explanation, comprise pre-hot aggregate bin 3, main stove 2 and burner 1, pre-hot aggregate bin connects main stove, and main stove is provided with burner, and raw material 12 enters in pre-hot aggregate bin through conveyer belt and loading hopper and carries out preheating, then enter main stove, undertaken adding hot smelting by burner;
The burner of the present embodiment is pure oxygen burner, external oxygen and natural gas supply system and control system.Ancillary equipment such as configuration liquid oxygen storage tank, LNG storage tank etc. is needed in most area.
Innovative point of the present utility model is:
The main body of main stove is columnar structured, on main grate 8, lateral separation is provided with two groups of carrying rollers 10, the carrying roller on right side is higher than the position of left side carrying roller, main grate is located on two groups of carrying rollers and axis is tilted, the main stove corresponding in carrying roller Support Position is all fixed with a rotating ring 9 outward, rotating ring coordinates with carrying roller, and motor drives carrying roller to rotate, and then drives rotating ring to drive main stove to rotate;
Burner hole is shaped with in the middle part of the end face of the lower one end of main stove, and in this burner hole, burner 11 is installed, this burner is arranged on (see accompanying drawing 2) on swingable burner frame 11, during heating, burner frame drives burner to swing to the burner hole that operating position burner inserts main stove, when not needing heating, burner rotation is extracted out, recovers position of readiness.
The main stove charge door of the higher one end of main stove coaxially connects the feed bin discharge hole of pre-hot aggregate bin 3, and the feed inlet of storage bin of pre-hot aggregate bin is coaxially installed with a loading hopper 4, and this loading hopper is for receiving the equipment input raw materials such as belt charger; Cold burden (raw material that temperature is lower) adds in pre-hot aggregate bin through structures such as belt chargers, utilizes high-temperature furnace gas to its preheating of heating, and improves the thermal efficiency, reduces energy consumption;
Pre-hot aggregate bin is the cylinder conical structure (see Fig. 3) of coaxial communication, the charge door on top is the cylindrical end that diameter is larger, the discharging opening of bottom is the conical end that diameter is less, a silo support 6 is supported with in pre-hot aggregate bin lower end, between this silo support and pre-hot aggregate bin, interval is provided with two groups of carrying rollers, these two groups of pre-hot aggregate bins of carrying roller common support, the pre-hot aggregate bin corresponding in carrying roller Support Position is all fixed with a rotating ring outward, carrying roller is driven by variable-frequency motor and rotates, and then drive pre-hot aggregate bin to rotate, pre-hot aggregate bin is rotated time reinforced, successfully raw material can be sent in main stove.
Two groups of carrying rollers on silo support Height Adjustable, thus regulate the angle of inclination of pre-hot aggregate bin, feeding quantity can control by regulating the angle of pre-hot aggregate bin;
Main stove and pre-hot aggregate bin rotate respectively under respective motor drives, during material loading, pre-hot aggregate bin and main stove synchronous rotary time reinforced, cold burden becomes owner of stove melting through pre-hot aggregate bin preheating is laggard, ensure that furnace charge enters main stove smoothly, avoid furnace charge to stick in the gap of main stove and feed bin; The rotating speed of main stove and pre-hot aggregate bin can be regulated respectively according to the condition of production.
Described silo support is arranged on feed bin dolly 7 upper end, and feed bin dolly guiding movement is arranged on the track 5 of horizontal cross setting, and feed bin dolly drives pre-hot aggregate bin transverse shifting; In smelt stage, by mobile pre-hot aggregate bin, all or part ofly can seal the charge door on main stove top, thus regulate exhaust gases passes area, reach the object controlling furnace pressure, stop the furnace charge in pre-hot aggregate bin to enter main stove simultaneously.
And, the charge door of main stove can be opened wide by feed bin dolly when repairing stove, be convenient to maintenance operation.
The course of work is as follows:
(1) preheating: heating is carried out to the main stove of sky and reaches preset temperature;
(2) feed intake preheating: the raw material after weighing adds through entering in pre-hot aggregate bin by conveyer belt, and the high-temperature furnace gas that raw material is subject to discharging fusion zone in pre-hot aggregate bin is heated preheating;
(3) feed in raw material to main stove, mobile pre-hot aggregate bin, the discharging opening of pre-hot aggregate bin is connected with the charging aperture of main stove, start belt feeder feed mode, main stove and pre-heating cabin rotate simultaneously, the cold raw material just added promotes to enter main stove through the hot charge of preheating in pre-heating cabin, and the raw material newly added evenly spreads out in pre-hot aggregate bin;
(4) melting sources: burner strengthens combustion power, enter intensification fired state, transfer heat to raw material 12 by radiation, the furnace wall of main stove is heated simultaneously, along with the rotation of main stove, high-temperature kiln wall and contact raw, by heat conduction to raw material, make its temperature raise rapidly, first part material temperature exceedes fusion temperature, become the iron liquid 13 of molten condition, raw material accelerates fusing, until all melt;
(5) overheated: after raw material all melts, continue heating and iron liquid is heated up; Meanwhile, main stove rotates and makes the waveform furnace wall of high-temperature region stir molten iron, accelerates high temperature iron liquid and mixes with Low-temperature Iron liquid, bonded hard ferrite magnet is reached unanimity;
(6) release iron liquid: when tapping hole goes to low level, iron liquid is flowed out by tapping hole, due to furnace output and casting part producing capabilities match, have enough hot iron liquid of crossing to produce tapping a blast furnace in interval time, ensure that qualified iron liquid measure satisfies the demands; If iron liquid has residue, can continue charge melted, also as required, the insulation of furnace reduction atmosphere can be maintained, until be finished iron liquid in stove;
(6) (3) step can be cycled to repeat as required to step, becomes continuous print production process, selects suitable charging rate, burner power maintain the uniformity of material composition, ensure that the temperature of iron liquid and composition meet the requirements;
(7) discharge scum: most of slag is discharged with iron liquid, when failing to run up to a certain amount of with the slag that iron liquid is discharged, tapping hole is gone to extreme lower position, opens tapping hole and slag is discharged, also main stove liquid level and tapping hole can be put down, at the liquid that taps a blast furnace after first removing slag.
Although disclose embodiment of the present utility model and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the utility model and claims, various replacement, change and amendment are all possible, therefore, scope of the present utility model is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (5)
1. can continuous dosing combustion gas revolution a smelting furnace, comprise pre-hot aggregate bin, main stove and burner, pre-hot aggregate bin connects main stove, and main stove is provided with burner, it is characterized in that:
On main grate, lateral separation is provided with two groups of carrying rollers, and main stove axis tilting rack is located on two groups of carrying rollers, and the main stove corresponding in carrying roller Support Position is all fixed with a rotating ring outward, and rotating ring coordinates with carrying roller, and motor drives carrying roller rotate and then drive main stove to rotate; The main stove charge door of the higher one end of main stove coaxially connects the feed bin discharge hole of pre-hot aggregate bin;
Pre-hot aggregate bin is the cylinder conical structure of coaxial communication, a silo support is supported with in pre-hot aggregate bin lower end, between this silo support and pre-hot aggregate bin, interval is provided with two groups of carrying rollers, these two groups of pre-hot aggregate bins of carrying roller common support, the pre-hot aggregate bin corresponding in carrying roller Support Position is all fixed with a rotating ring outward, and carrying roller is driven by variable-frequency motor and rotates and then drive pre-hot aggregate bin to rotate.
2. according to claim 1 can continuous dosing combustion gas revolution smelting furnace, it is characterized in that: described burner is arranged on swingable burner frame; Be shaped with burner hole in the middle part of the end face of the lower one end of main stove, burner inserts in this burner hole and heats in main stove.
3. according to claim 1 can the combustion gas revolution smelting furnace of continuous dosing, it is characterized in that: the tilt adjustable of described pre-hot aggregate bin joint.
4. according to claim 1 can continuous dosing combustion gas revolution smelting furnace, it is characterized in that: described silo support is arranged on a feed bin dolly upper end, feed bin dolly guiding movement is arranged on the track of horizontal cross setting, and feed bin dolly drives pre-hot aggregate bin transverse shifting.
5. according to claim 1 can the combustion gas revolution smelting furnace of continuous dosing, it is characterized in that: the feed inlet of storage bin of pre-hot aggregate bin is coaxially installed with a loading hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520507582.2U CN204923835U (en) | 2015-07-14 | 2015-07-14 | Can throw gas gyration smelting furnace of material in succession |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520507582.2U CN204923835U (en) | 2015-07-14 | 2015-07-14 | Can throw gas gyration smelting furnace of material in succession |
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| Publication Number | Publication Date |
|---|---|
| CN204923835U true CN204923835U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520507582.2U Withdrawn - After Issue CN204923835U (en) | 2015-07-14 | 2015-07-14 | Can throw gas gyration smelting furnace of material in succession |
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| CN (1) | CN204923835U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157418A (en) * | 2015-07-14 | 2015-12-16 | 河北中北环保科技有限公司 | Fuel gas rotary smelting furnace capable of continuous feeding and production method of fuel gas rotary smelting furnace |
| CN110006249A (en) * | 2019-03-28 | 2019-07-12 | 中国核电工程有限公司 | High activity liquid waste calcining furnace and movement system |
-
2015
- 2015-07-14 CN CN201520507582.2U patent/CN204923835U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157418A (en) * | 2015-07-14 | 2015-12-16 | 河北中北环保科技有限公司 | Fuel gas rotary smelting furnace capable of continuous feeding and production method of fuel gas rotary smelting furnace |
| CN105157418B (en) * | 2015-07-14 | 2017-10-20 | 河北中北环保科技有限公司 | It is a kind of can continuous dosing combustion gas revolution smelting furnace and its production method |
| CN110006249A (en) * | 2019-03-28 | 2019-07-12 | 中国核电工程有限公司 | High activity liquid waste calcining furnace and movement system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151230 Effective date of abandoning: 20171020 |
|
| AV01 | Patent right actively abandoned |