CN218379396U - Combustion device for lead smelting short kiln - Google Patents
Combustion device for lead smelting short kiln Download PDFInfo
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- CN218379396U CN218379396U CN202220640428.2U CN202220640428U CN218379396U CN 218379396 U CN218379396 U CN 218379396U CN 202220640428 U CN202220640428 U CN 202220640428U CN 218379396 U CN218379396 U CN 218379396U
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- cooling water
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- lead smelting
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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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Abstract
The utility model discloses a name is a burner. Belonging to the technical field of secondary lead smelting equipment. The burner mainly solves the problems that the service life of the existing burner is short and the normal operation of a short kiln is influenced because the existing burner is always in a high-temperature environment when in use. It is mainly characterized in that: the natural gas igniter comprises an outer wall, a natural gas channel and an oxygen channel which are arranged in a cavity of the outer wall, a natural gas distribution chamber and an igniter connecting port which are arranged at the tail part of the outer wall, and an igniter; the natural gas channel is composed of a natural gas pipe, and the natural gas pipe is connected with the natural gas distribution chamber; the oxygen channel is formed by a cavity between the natural gas pipe and the outer wall, and the outer wall is provided with an oxygen inlet communicated with the cavity; the outer wall is provided with a cooling water channel, a cooling water outlet and a cooling water inlet. The utility model has the characteristics of simple structure, can effectively avoid the combustor to be in high temperature environment, extension combustor life and promotion short kiln productivity ratio, the combustor in the mainly used lead smelting short kiln.
Description
Technical Field
The utility model belongs to the technical field of the secondary lead smelting equipment, concretely relates to burner for short kiln is smelted to lead.
Background
The combustor is a device for converting substances into heat energy in a chemical reaction mode of combustion, namely, air and fuel are fully combusted after passing through the device, oxygen is used as a combustion improver in common fuel combustion, and when a combustion chamber in a short smelting kiln is used, pure oxygen is usually introduced for supporting combustion so as to ensure the thoroughness of combustion.
The short kiln is more advanced smelting equipment, and pure oxygen is generally adopted for combustion in the smelting process in order to improve the smelting temperature and reduce the smoke dust rate and the smoke gas amount in the smelting process; meanwhile, in order to ensure the full utilization of heat, a post-combustion mode is generally adopted; the post combustion can cause the combustor to be always in a high-temperature environment, so that the service life of the combustor is short, and further the operation of a short kiln is influenced.
Disclosure of Invention
The utility model aims at solving the shortcoming that exists among the prior art, and the burner for short kiln is smelted to lead who proposes, its simple structure science adopts the device after, can effectively improve the stability of spray gun, and then promotes the productivity ratio of short kiln.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a burner for lead smelting short kiln, includes the outer wall, set up in natural gas passage and oxygen passageway in the outer wall intracavity, set up in the natural gas distribution room and the firearm connector of outer wall afterbody and some firearm, its characterized in that: the natural gas channel is composed of a natural gas pipe, and the natural gas pipe is connected with the natural gas distribution chamber; the oxygen channel is formed by a cavity between the natural gas pipe and the outer wall, and the outer wall is provided with an oxygen inlet communicated with the cavity; and the outer wall is provided with a cooling water channel, a cooling water outlet and a cooling water inlet.
The technical solution of the utility model natural gas passageway in constitute by 3 natural gas pipes, 3 natural gas pipe end all with natural gas distribution room threaded connection.
The technical solution of the utility model 3 natural gas pipes be triangle-shaped and arrange, and be located the axial center position of outer wall inner chamber.
The outer wall in the technical proposal of the utility model is composed of the outer wall of the cooling water channel and the outer wall of a single pipe; one end of the outer wall of the single pipe is connected with the natural gas distribution chamber, and the other end of the outer wall of the single pipe is sleeved in the outer wall of the cooling water channel and is connected with the outer wall of the cooling water channel; the oxygen inlet is arranged on the outer wall of the single tube; and the cooling water outlet and the cooling water inlet are arranged on the outer wall of the cooling water channel.
The outer wall of the cooling water channel in the technical solution of the utility model is a double-layer circular cavity structure, the inner cavity of the double-layer circular cavity structure is communicated with one end of the outer cavity, and the other end is sealed to form the cooling water channel; the cooling water outlet is communicated with the outer-layer cavity, and the cooling water inlet is communicated with the inner-layer cavity.
The technical solution of the utility model in the double-deck ring cavity structure form for the cladding of 3 layers of high temperature resistant material, two annular channel of middle formation.
The technical solution of the utility model is that the upper part of the outer wall is provided with a lifting lug and the lower part is provided with a supporting block.
The technical solution of the utility model in the outer wall adopt 310S material.
The natural gas distribution chamber in the technical proposal of the utility model is provided with a natural gas inlet; and the natural gas inlet and the oxygen inlet are both provided with connecting flanges.
The utility model discloses owing to adopt by the outer wall, natural gas channel, the oxygen passageway, the natural gas distribution room, a lead smelting burner for short kiln that some firearm connectors and some firearm constitute, wherein, natural gas channel comprises natural gas pipe, natural gas pipe is located the outer wall intracavity, and be connected with the natural gas distribution room, the oxygen passageway comprises the cavity between natural gas pipe and the outer wall, the outer wall is equipped with the cooling water passageway and exports with the communicating cooling water of cooling water passageway, the cooling water entry, and with the communicating oxygen entry of oxygen passageway, therefore when using, some firearm ignite natural gas and oxygen through some firearm connectors, in the burning of outer wall head end, cooling cycle water gets into the cooling water passageway from the cooling water entry, after through the cooling water passageway, flow from the cooling water export, realize the cooling to the outer wall, and then avoid outer wall afterbody and natural gas distribution room, some firearm connectors and some firearm are in high temperature environment and cause the combustor impaired, make combustor life shorten.
The utility model has the characteristics of simple structure, can effectively avoid the combustor to be in high temperature environment, extension combustor life and promotion short kiln productivity ratio. The utility model is mainly used for the burner in the short kiln for lead smelting.
Drawings
FIG. 1 is a schematic structural view of the combustion apparatus for a short kiln for lead smelting.
In the figure: 1. a natural gas channel; 2. an oxygen channel; 3. a cooling water passage; 4. a cooling water outlet; 5. a cooling water inlet; 6. an oxygen inlet; 7. a natural gas inlet; 8. a natural gas distribution chamber; 9. lifting lugs; 10. an igniter connecting port; 11. and (6) supporting the block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear and clear, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1. The utility model relates to an embodiment of burner for lead smelting short kiln comprises outer wall, natural gas passageway 1, oxygen passageway 2, natural gas distribution room 8, some firearm connector 10, some firearm, lug 9 and supporting shoe 11 etc..
The outer wall is composed of the outer wall of the cooling water channel and the outer wall of the single pipe. Wherein, the outer wall of the cooling water channel is a double-layer circular cavity structure and is formed by coating 3 layers of high-temperature-resistant materials, two annular channels of an inner annular channel and an outer annular channel are formed in the middle, one ends of the two annular channels are communicated, and the other ends are sealed to form the cooling water channel 3. And a cooling water inlet 5 and a cooling water outlet 4 are arranged on the outer wall, the cooling water inlet 5 is communicated with the inner-layer annular channel, the cooling water outlet 4 is communicated with the outer-layer annular channel, and the cooling water inlet 5 and the cooling water outlet 4 are connected with a circulating cooling water source. One end of the outer wall of the single pipe is connected with the natural gas distribution chamber 8, and the other end of the outer wall of the single pipe is sleeved in the outer wall of the cooling water channel and fixedly connected with the surface of the inner wall of the outer wall of the cooling water channel. The outer wall is made of 310S material and is an excellent high-temperature resistant material.
The natural gas distribution chamber 8 and the igniter connecting port 10 are provided at the rear of the outer wall. The natural gas distribution chamber 8 is provided with a natural gas inlet 7, the natural gas inlet 7 is provided with a connecting flange, and the natural gas inlet 7 is connected with an external natural gas source through the connecting flange. The igniter connector 10 is a conventional one, and is provided with a hole for ignition of an igniter.
The igniter is a conventional natural gas igniter and is matched with the igniter connecting port 10. The natural gas is introduced into the igniter, the natural gas is inserted into the combustor through the hole of the igniter connecting port 10 after being ignited outdoors, and the igniter is extracted and the hole of the igniter connecting port 10 is closed after the ignition is finished.
The natural gas channel 1 is composed of 3 natural gas pipes, the 3 natural gas pipes are arranged in a triangular mode and are located in the axial center of the inner cavity of the outer wall, and the tail ends of the natural gas pipes are in threaded connection with the natural gas distribution chamber 8.
The oxygen passage 2 is composed of cavities or gaps formed among the walls of 3 natural gas pipes, the outer wall of the cooling water passage and the inner surface of the outer wall of the single pipe. The outer wall of the single pipe is provided with an oxygen inlet 6, the oxygen inlet 6 is provided with a connecting flange, and the oxygen inlet 6 is provided with a connecting flange to be connected with an external oxygen source.
The upper part of the outer wall of the cooling water channel is provided with a lifting lug 9, and the lower part is provided with a supporting block 11 for fixing in the hearth.
When the embodiment of the utility model is used, the burner is fixed by the lifting lug 9 and the supporting block 11 and is inserted into the furnace chamber; then introducing natural gas into the igniter and igniting the natural gas, inserting the igniter into the hole of the igniter connecting port 10, then introducing a small amount of natural gas into the combustor natural gas channel 1 and igniting the natural gas through the igniter, closing the igniter and extracting the igniter when the pressure of the natural gas is 500-800kPa, and closing the hole of the igniter connecting port 10; properly adjusting the oxygen supply amount to further complete a primary ignition process; the gas supply pressure of a natural gas inlet is adjusted to be 150-200kPa, the gas supply pressure of oxygen is adjusted to be 500-1000kPa, cooling circulating water enters the inner-layer annular channel from the cooling water inlet 5, flows through the outer-layer annular channel and flows out from the cooling water outlet 4, and the outer wall of the cooling water channel is cooled through the cooling circulating water, so that the cooling function of the combustion device is realized.
It should be finally noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit the scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides a burner for lead smelting short kiln, includes the outer wall, set up in natural gas passageway (1) and oxygen passageway (2) in the outer wall intracavity, set up in natural gas distribution room (8) and the firearm connector (10) and the some firearm of outer wall afterbody, its characterized in that: the natural gas channel (1) is composed of a natural gas pipe, and the natural gas pipe is connected with a natural gas distribution chamber (8); the oxygen channel (2) is formed by a cavity between a natural gas pipe and an outer wall, and an oxygen inlet (6) communicated with the cavity is formed in the outer wall; the outer wall is provided with a cooling water channel (3), a cooling water outlet (4) and a cooling water inlet (5).
2. The combustion device for the lead smelting short kiln as claimed in claim 1, wherein: the natural gas channel (1) comprises 3 natural gas pipes, and the tail ends of the 3 natural gas pipes are in threaded connection with the natural gas distribution chamber (8).
3. The combustion device for the lead smelting short kiln as claimed in claim 2, wherein: the 3 natural gas pipes are arranged in a triangular shape and are positioned at the axial center of the inner cavity of the outer wall.
4. The combustion apparatus for a lead smelting short kiln according to claim 1, 2 or 3, characterized in that: the outer wall consists of the outer wall of the cooling water channel (3) and the outer wall of the single pipe; one end of the outer wall of the single pipe is connected with the natural gas distribution chamber (8), and the other end of the outer wall of the single pipe is sleeved in the outer wall of the cooling water channel and is connected with the outer wall of the cooling water channel; the oxygen inlet (6) is arranged on the outer wall of the single pipe; and the cooling water outlet (4) and the cooling water inlet (5) are arranged on the outer wall of the cooling water channel.
5. The combustion device for the lead smelting short kiln according to claim 4, characterized in that: the outer wall of the cooling water channel is of a double-layer circular cavity structure, an inner layer cavity of the double-layer circular cavity structure is communicated with one end of an outer layer cavity, and the other end of the double-layer circular cavity structure is sealed to form a cooling water channel (3); the cooling water outlet (4) is communicated with the outer-layer cavity, and the cooling water inlet (5) is communicated with the inner-layer cavity.
6. The combustion device for the lead smelting short kiln according to claim 5, characterized in that: the double-layer circular cavity structure is formed by coating 3 layers of high-temperature-resistant materials, and two annular channels are formed in the middle of the double-layer circular cavity structure.
7. The combustion apparatus for a short lead smelting kiln according to any one of claims 1 to 3 and 5 to 6, wherein: the upper part of the outer wall is provided with a lifting lug (9), and the lower part is provided with a supporting block (11).
8. The combustion apparatus for a short lead smelting kiln according to any one of claims 1 to 3 and 5 to 6, wherein: the outer wall is made of 310S material.
9. The combustion apparatus for a lead smelting short kiln according to any one of claims 1 to 3 and 5 to 6, wherein: the natural gas distribution chamber (8) is provided with a natural gas inlet (7); and the natural gas inlet (7) and the oxygen inlet (6) are both provided with connecting flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220640428.2U CN218379396U (en) | 2022-03-23 | 2022-03-23 | Combustion device for lead smelting short kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220640428.2U CN218379396U (en) | 2022-03-23 | 2022-03-23 | Combustion device for lead smelting short kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218379396U true CN218379396U (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220640428.2U Active CN218379396U (en) | 2022-03-23 | 2022-03-23 | Combustion device for lead smelting short kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218379396U (en) |
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- 2022-03-23 CN CN202220640428.2U patent/CN218379396U/en active Active
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