CN213955987U - Smokeless combustion sintering furnace - Google Patents
Smokeless combustion sintering furnace Download PDFInfo
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- CN213955987U CN213955987U CN202022939204.5U CN202022939204U CN213955987U CN 213955987 U CN213955987 U CN 213955987U CN 202022939204 U CN202022939204 U CN 202022939204U CN 213955987 U CN213955987 U CN 213955987U
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- hearth
- furnace
- burner
- fuel
- communicated
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 27
- 238000005245 sintering Methods 0.000 title claims abstract description 26
- 239000000446 fuel Substances 0.000 claims abstract description 39
- 239000000779 smoke Substances 0.000 claims abstract description 31
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 14
- 239000003345 natural gas Substances 0.000 claims description 7
- 239000002912 waste gas Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 6
- 238000000746 purification Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a smokeless burning fritting furnace, include: a furnace body having a hearth therein for sintering a product; the first burner is arranged on the furnace body and communicated with the hearth; the second burner is arranged on the furnace body and communicated with the hearth; the fuel filling pipeline is respectively communicated with the first burner, the second burner and an external fuel source, the first burner is used for fuel ignition and fuel feeding in a flame combustion stage, and the second burner can feed fuel when the temperature in the hearth reaches a preset value so that the fuel is combusted in the hearth without smoke; through above-mentioned structure can let the fritting furnace be in smokeless combustion state, make the abundant burning of fuel, can also reduce the emission of carbide simultaneously, make the fritting furnace have the advantage of environmental protection.
Description
Technical Field
The utility model relates to a smokeless burning fritting furnace.
Background
The existing shell mold sintering furnace in the casting industry generally adopts a smoke combustion mode to sinter products, but the sintering furnace has insufficient fuel combustion and more carbide emission in the sintering process, so that the fuel is not fully utilized, and the defect of environmental pollution is also caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a smokeless burning fritting furnace.
The utility model discloses a technical scheme that its technical problem was solved to an embodiment adopted is: a smokeless combustion sintering furnace comprising:
a furnace body having a hearth therein for sintering a product;
the first burner is arranged on the furnace body and communicated with the hearth;
the second burner is arranged on the furnace body and communicated with the hearth;
and the fuel filling pipeline is respectively communicated with the first burner, the second burner and an external fuel source, the first burner is used for igniting and feeding fuel in a flame combustion stage, and the second burner can feed the fuel when the temperature in the hearth reaches a preset value so as to ensure that the fuel is combusted in the hearth without smoke.
Further, the preset value is 1000 ℃.
Furthermore, the smokeless combustion sintering furnace further comprises a smoke exhaust pipeline and a smoke exhaust fan, wherein one end of the smoke exhaust pipeline is communicated with the hearth, and a first smoke inlet communicated with the other end of the smoke exhaust pipeline is formed in the smoke exhaust fan.
Further, a smokeless burning fritting furnace still includes purifier, is provided with first exhaust port on the smoke exhaust fan, and purifier is last to be provided with the second exhaust port and to advance the mouth with the second that first exhaust port is linked together, and purifier is arranged in discharging to the air after purifying to the waste gas that discharges out from furnace.
Further, the fuel is natural gas.
Furthermore, a hearth opening communicated with the hearth and a furnace door capable of closing the hearth opening are arranged on the furnace body, and at least one circle of step positioned between the furnace door and the hearth opening is arranged at the outer edge of the hearth opening.
Furthermore, the section outline of the step vertical to the length direction is trapezoidal.
The utility model has the advantages that: a smokeless combustion sintering furnace comprising: a furnace body having a hearth therein for sintering a product; the first burner is arranged on the furnace body and communicated with the hearth; the second burner is arranged on the furnace body and communicated with the hearth; the fuel filling pipeline is respectively communicated with the first burner, the second burner and an external fuel source, the first burner is used for fuel ignition and fuel feeding in a flame combustion stage, and the second burner can feed fuel when the temperature in the hearth reaches a preset value so that the fuel is combusted in the hearth without smoke; through above-mentioned structure can let the fritting furnace be in smokeless combustion state, make the abundant burning of fuel, can also reduce the emission of carbide simultaneously, make the fritting furnace have the advantage of environmental protection.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a smokeless combustion sintering furnace;
FIG. 2 is a schematic view of a smokeless combustion sintering furnace from another angle;
fig. 3 is a partially enlarged view of the area a in fig. 2.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
Referring to fig. 1 to 3, a smokeless combustion sintering furnace includes:
a furnace body 10 having a hearth 11 for sintering a product therein;
the first burner 20 is arranged on the furnace body 10 and communicated with the hearth 11;
the second burner 30 is arranged on the furnace body 10 and communicated with the hearth 11;
the fuel filling pipeline 40 is respectively communicated with the first burner 20, the second burner 30 and an external fuel source, the first burner 20 is used for fuel ignition and fuel feeding in a flame combustion stage, and the second burner 30 can feed fuel when the temperature in the hearth 11 reaches a preset value, so that the fuel is combusted in the hearth 11 without smoke; the preset value is 1000 ℃.
The utility model discloses in, in the time of sintering the product, earlier place the product with furnace 11 in, close furnace gate 13, ignite first nozzle 20, the outside fuel source carries the natural gas to first nozzle 20 through fuel filling pipeline 40, thereby burn in furnace 11, the burning this moment is the flame burning, when the temperature in furnace 11 reaches 1000 ℃, the outside fuel source carries the natural gas to second nozzle 30 through fuel filling pipeline 40, the overwhelming majority of carrying this moment is the natural gas, can form smokeless burning in furnace 11, let carry the natural gas abundant burning in furnace 11, the carbide that the burning that can significantly reduce produced, let the fritting furnace environmental protection more.
The smokeless combustion sintering furnace further comprises a smoke exhaust pipeline 51 and a smoke exhaust fan 52, wherein one end of the smoke exhaust pipeline 51 is communicated with the hearth 11, and the smoke exhaust fan 52 is provided with a first smoke inlet communicated with the other end of the smoke exhaust pipeline 51; the exhaust fan 52 and the exhaust pipe 51 can discharge the exhaust gas and smoke generated by combustion in the hearth 11 quickly, so as to avoid overlarge pressure in the hearth 11.
The smokeless combustion sintering furnace further comprises a purification device 60, wherein a first smoke outlet is formed in the smoke exhaust fan 52, a second smoke outlet and a second smoke inlet communicated with the first smoke outlet are formed in the purification device 60, and the purification device 60 is used for purifying waste gas discharged from the hearth 11 and then discharging the waste gas into the air; because harmful gas is more in the waste gas that produces after the burning, directly discharge can cause the pollution to the air in to the air, also can cause the injury to the human body simultaneously, consequently need purify the waste gas that produces through purifier 60.
The fuel is natural gas.
The furnace body 10 is provided with a hearth opening 12 communicated with the hearth 11 and a furnace door 13 capable of closing the hearth opening 12, and the outer edge of the hearth opening 12 is provided with at least one circle of steps 70 positioned between the furnace door 13 and the hearth opening 12; the utility model discloses in, be located step 70 between furnace door 13 and the furnace mouth 12 through the outer fringe department at furnace mouth 12 sets up at least round, can have the cushioning effect to the flame of scurrying from furnace mouth 12, reduce furnace 11 flame to the impact of furnace door 13, it is preferred, step 70 perpendicular to its length direction's cross-section outline is trapezoidal, can let the flame that furnace mouth 12 leaps up out strike step 70 earlier on, then strike furnace door 13 again, the impact of flame to furnace door 13 has been reduced effectively, step 70 is made by high temperature resistant and material.
Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications and substitutions are included in the scope defined by the claims of the present application.
Claims (7)
1. A smokeless combustion sintering furnace comprising:
a furnace body (10) having a hearth (11) therein for sintering a product;
the first burner (20) is arranged on the furnace body (10) and communicated with the hearth (11);
the second burner (30) is arranged on the furnace body (10) and communicated with the hearth (11);
and the fuel filling pipeline (40) is respectively communicated with the first burner (20), the second burner (30) and an external fuel source, the first burner (20) is used for igniting and feeding fuel in a flame combustion stage, and the second burner (30) can feed the fuel when the temperature in the hearth (11) reaches a preset value, so that the fuel is smokeless to combust in the hearth (11).
2. The smokeless combustion sintering furnace according to claim 1, characterized in that: the preset value is 1000 ℃.
3. The smokeless combustion sintering furnace according to claim 1, characterized in that: the furnace hearth is characterized by further comprising a smoke exhaust pipeline (51) and a smoke exhaust fan (52), one end of the smoke exhaust pipeline (51) is communicated with the furnace hearth (11), and a first smoke inlet communicated with the other end of the smoke exhaust pipeline (51) is formed in the smoke exhaust fan (52).
4. A smokeless combustion sintering furnace according to claim 3, characterized in that: still include purifier (60), be provided with first exhaust port on smoke exhaust fan (52), be provided with the second exhaust port on purifier (60) and with the second that first exhaust port is linked together advances the mouth, purifier (60) are used for right the follow the waste gas that discharges out purifies in furnace (11) discharges to the air in.
5. The smokeless combustion sintering furnace according to claim 1, characterized in that: the fuel is natural gas.
6. The smokeless combustion sintering furnace according to claim 1, characterized in that: the furnace body (10) is provided with a hearth opening (12) communicated with the hearth (11) and a furnace door (13) capable of sealing the hearth opening (12), and the outer edge of the hearth opening (12) is provided with at least one circle of step (70) positioned between the furnace door (13) and the hearth opening (12).
7. The smokeless combustion sintering furnace according to claim 6, characterized in that: the cross section outline of the step (70) perpendicular to the length direction is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022939204.5U CN213955987U (en) | 2020-12-09 | 2020-12-09 | Smokeless combustion sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022939204.5U CN213955987U (en) | 2020-12-09 | 2020-12-09 | Smokeless combustion sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213955987U true CN213955987U (en) | 2021-08-13 |
Family
ID=77214699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022939204.5U Active CN213955987U (en) | 2020-12-09 | 2020-12-09 | Smokeless combustion sintering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213955987U (en) |
-
2020
- 2020-12-09 CN CN202022939204.5U patent/CN213955987U/en active Active
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