CN209778963U - Magnesium furnace processing device - Google Patents
Magnesium furnace processing device Download PDFInfo
- Publication number
- CN209778963U CN209778963U CN201920244541.7U CN201920244541U CN209778963U CN 209778963 U CN209778963 U CN 209778963U CN 201920244541 U CN201920244541 U CN 201920244541U CN 209778963 U CN209778963 U CN 209778963U
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- China
- Prior art keywords
- heat
- flue
- furnace
- reduction furnace
- flue gas
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
-
- 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
- Y02P10/25—Process efficiency
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a magnesium furnace processing device, which belongs to the technical field of magnesium manufacturing equipment and comprises a reduction furnace and a reduction tank, wherein the bottom end of the reduction furnace is welded with a base, the right side of the reduction furnace is provided with a feed inlet, one end of the feed inlet is nested with a furnace cover, the reduction furnace is provided with a centralized flue near the upper end of the left side, the concentrated flue is communicated with the reducing furnace, one end of the concentrated flue is connected with a first heat-leading flue, the utility model can absorb a part of convection heat, heat saturated flue gas into overheated flue gas, effectively heat the temperature of the flue gas, and lead the flue gas to effectively carry out auxiliary heating on a heat source of the calcining cavity, the temperature of the combustion-supporting air is raised to be above the self-ignition point of the fuel through heat exchange with the heat accumulator in the heat accumulation chamber, high-temperature flue gas is used for preheating, and flue gas waste heat is used as a heat source of the reducing furnace, so that the cyclic utilization of heat resources is realized.
Description
Technical Field
The utility model relates to a magnesium manufacturing equipment technical field specifically is a processingequipment.
Background
the magnesium metal reduction furnace is core equipment for magnesium production, an externally-heated horizontal reduction tank reduction furnace is generally adopted at home and abroad, the traditional magnesium metal reduction furnace generally adopts a structure of reheating and heating the reduction tank, flame and smoke in the reduction furnace with the traditional structure enter a hearth through a fire wall, pass through the reduction tank from top to bottom, and are quickly discharged out of the hearth through fire holes, the smoke discharging temperature can reach about 1200 ℃, the smoke cannot be well recycled, and energy waste is serious, so that further research needs to be carried out on the existing processing device, and a new magnesium furnace processing device is provided.
SUMMERY OF THE UTILITY MODEL
the utility model discloses aim at solving the problem that traditional magnesium metal reduction furnace can not be fine recycle discharged fume, a magnesium stove processingequipment is provided, through setting up the over heater, first induced heat flue and regenerator, the screen superheater can absorb partly convection heat, heat into superheated flue gas with saturated flue gas, the temperature of effective heating flue gas, make the flue gas effectively assist the heat source to calcining the chamber and generate heat, carry out heat exchange through carrying out with the heat accumulator in the regenerator, promote combustion air's temperature to more than the fuel auto ignition point, preheat through high temperature flue gas, utilize the flue gas waste heat as the heat source of this reduction furnace, realize the cyclic utilization of heat resource.
In order to achieve the above object, the utility model provides a following technical scheme: a magnesium furnace processing device comprises a reduction furnace and a reduction tank, wherein a base is welded at the bottom end of the reduction furnace, a feed inlet is formed in the right side of the reduction furnace, a furnace cover is nested at one end of the feed inlet, a centralized flue is arranged at the upper end, close to the left side, of the reduction furnace and communicated with the reduction furnace, a first heat-conducting flue is connected at one end of the centralized flue, a second heat-conducting flue is connected at the other end of the centralized flue, the first heat-conducting flue and the second heat-conducting flue penetrate through the inner walls of the two sides of the reduction furnace and extend into the reduction furnace, a coal-fired feed opening is formed in the left side of the reduction furnace, a hearth is arranged at the lower end of the interior of the reduction furnace, the reduction tank is fixedly arranged at the upper end of the reduction furnace, and the side surface of the fixed plate is welded with a superheater.
Preferably, the concentrated flue is positioned at the upper end of the calcining cavity, and two sides of the concentrated flue are provided with superheaters.
Preferably, the air outlets of the first heat-leading flue and the second heat-leading flue are arranged in a gathering manner, and the air outlets of the first heat-leading flue and the second heat-leading flue are communicated with the heat storage chamber.
Preferably, the air outlets of the first heat-leading flue and the second heat-leading flue are vertically arranged, and the lower end of the air outlet is 40cm away from the bottom of the heat storage chamber.
preferably, the superheater is a platen superheater, and the platen superheater is arranged in a stepped manner upwards.
Preferably, the concentrated flue, the first heat-conducting flue and the second heat-conducting flue are internally provided with heat exchange tubes.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) This kind of magnesium stove processingequipment, both sides through concentrating the flue all are provided with the over heater, the over heater is the platen over heater, and the platen over heater is cascaded upwards to set up, the platen over heater comprises the multi-disc tube panel, the platen over heater can absorb partly convection heat, heat into superheated flue gas with saturated flue gas, accomplish the thermal high-efficient recovery of flue gas, through being cascaded upwards to set up with the platen over heater, make the flue gas that upwards gives off upwards can upwards gather together the heating gradually, effectively heat the temperature of flue gas, accomplish the thermal high temperature of flue gas and preheat.
(2) And the heat exchange tubes are arranged in the concentrated flue, the first heat-conducting flue and the second heat-conducting flue and are used for exchanging heat between the concentrated flue and the heat-conducting flue, and the heat exchange tubes have high heat conductivity and good isothermal property, can quickly transfer heat energy from the concentrated flue to the first heat-conducting flue and the second heat-conducting flue, almost has no heat loss, and effectively ensures the temperature of flue gas.
(3) Finally, the gas outlets of the heat-leading flues are set to be gathered, the gas outlets of the first heat-leading flue and the second heat-leading flue which are vertically arranged enable the flow of the flue gas to generate vertical pressure distribution while flowing forwards horizontally, the residence time of the flue gas in the furnace is prolonged, the heat exchange in the furnace is sufficient, the high-temperature flue gas sprayed out of the gas outlets of the heat-leading flues enters the heat storage chamber, reducing atmosphere is formed around the reduction tank, and the reduction tank is protected, so the service life of the reduction tank can be prolonged, the heat exchange is carried out with the heat accumulator in the heat storage chamber, the temperature of combustion-supporting air is raised to be above the spontaneous combustion point of the fuel, the stable combustion range of the fuel is expanded by preheating the high-temperature flue gas, the high-temperature air sprayed out of the nozzles and the fuel are mixed and combusted at the inner side of the hearth, and the particularly, the heating uniformity of the reduction tank is improved, the waste heat of the flue gas of the calcining furnace is used as a heat source of the heating furnace, the cyclic utilization of heat resources is realized, the environmental pollution is reduced, and the economic benefit is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the reduction furnace of the present invention.
FIG. 3 is a schematic view of the connection structure between the furnace and the reduction tank of the present invention.
Fig. 4 is a schematic view of the internal structure of the flue of the present invention.
Fig. 5 is a schematic view of a local structure of the first heat-guiding flue and the second heat-guiding flue of the present invention.
In the figure: 1-a reduction furnace; 2-a base; 3-a feed inlet; 4-a centralized flue; 5-a first heat-leading flue; 6-a second heat-leading flue; 7-a coal-fired charging port; 8-hearth; 9-a reduction tank; 10-a regenerator; 11-a fixed plate; 12-a superheater; 301-furnace lid.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Example (b):
As shown in figures 1-5;
The embodiment provides a magnesium furnace processing device, which comprises a reduction furnace 1 and a reduction tank 9, wherein a base 2 is welded at the bottom end of the reduction furnace 1, a feed inlet 3 is arranged at the right side of the reduction furnace 1, a furnace cover 301 is nested at one end of the feed inlet 3, a concentrated flue 4 is arranged at the upper end of the reduction furnace 1 close to the left side, the concentrated flue 4 is communicated with the reduction furnace 1, one end of the concentrated flue 4 is connected with a first heat-conducting flue 5, the other end of the concentrated flue 4 is connected with a second heat-conducting flue 6, the first heat-conducting flue 5 and the second heat-conducting flue 6 penetrate through the inner walls of the two sides of the reduction furnace 1 and extend into the reduction furnace 1, a coal-fired feed inlet 7 is arranged at the left side of the reduction furnace 1, a hearth 8 is arranged at the lower end of the interior of the reduction furnace 1, the reduction tank 9 is fixedly, the superheater 12 is welded to the side of the fixed plate 11.
further, the concentration flue 4 is located the upper end of furnace 8, and the both sides of concentration flue 4 all are provided with over heater 12, through setting up concentration flue 4 in furnace 8's upper end for flue gas that 8 internal combustion coals of furnace produced can directly get into in the concentration flue 4, and keep the temperature variation of flue gas not influenced by the distance, avoid the heat to give off.
Further, the gas outlet of first heat-leading flue 5 and second heat-leading flue 6 is to gather together the setting, and the gas outlet of first heat-leading flue 5 and second heat-leading flue 6 is linked together with regenerator 10, make the flue gas gather together, avoid the flue gas to give off, can directly spout regenerator 10, the temperature of guarantee flue gas can effectively heat regenerator 10, carry out heat exchange through carrying out with the regenerator in regenerator 10, with combustion-supporting air fuel more than the ignition temperature.
Furthermore, the air outlets of the first heat-leading flue 5 and the second heat-leading flue 6 are vertically arranged, the lower end of the air outlet is 40cm away from the bottom of the regenerator 10, and the vertically arranged air outlets of the first heat-leading flue 5 and the second heat-leading flue 6 enable the flow of the flue gas to generate vertical pressure distribution while the flow of the flue gas horizontally flows forwards, so that the retention time of the flue gas in the furnace is prolonged, and the heat exchange in the furnace is sufficient.
Further, over heater 12 is platen superheater 12, and platen superheater 12 is cascaded upwards and sets up, and platen superheater 12 can absorb partly convection heat, heats into superheated flue gas with saturated flue gas, through being cascaded upwards setting with platen superheater 12 for the flue gas that upwards gives off can upwards gather together the heating gradually, effectively heats the temperature of flue gas.
Furthermore, heat exchange tubes are arranged inside the concentrated flue 4 and the first heat-conducting flue 5 and the second heat-conducting flue 6 respectively, the heat exchange tubes have high heat conductivity and good isothermal property, heat energy can be rapidly transferred from the concentrated flue 4 to the first heat-conducting flue 5 and the second heat-conducting flue 6, heat loss is almost avoided, and the temperature of flue gas is effectively guaranteed.
The working principle is as follows:
When the magnesium furnace processing device provided by the utility model is used, fuel is added from the coal-fired charging hole 7, the heat required by the calcination of the reducing furnace 1 is provided, the furnace cover 301 is opened to place the to-be-processed material into the reducing tank 9 from the feeding hole 3, the fuel in the furnace chamber 8 is combusted to heat the reducing tank 9, when the reducing furnace 1 runs, the flue gas generated by the coal in the furnace chamber 8 rises, the upward-emitted flue gas passes through the screen superheater 12, the screen superheater 12 can absorb part of convection heat and heat the saturated flue gas into superheated flue gas, the screen superheater 12 is arranged upwards in a step shape, the upward-emitted flue gas can gradually gather and heat upwards, the temperature of the flue gas is effectively heated, the flue gas is guided into the first heat-conducting flue 5 and the second heat-conducting flue 6 from the centralized flue 4, and heat exchange between the centralized flue 4 and the first heat-conducting flue 5 and the second heat-conducting flue 6 is realized through the heat exchange tubes, the heat exchange tube quickly transfers heat energy from the concentrated flue 4 to the first heat-drawing flue 5 and the second heat-drawing flue 6, smoke of the first heat-drawing flue 5 and the second heat-drawing flue 6 is guided into the regenerator 10 from the side, heat exchange is carried out between the smoke and a heat accumulator in the regenerator 10, combustion air fuel is preheated above the self-ignition point temperature and is preheated through high-temperature smoke, the stable combustion range of the fuel is expanded, the regenerators 10 on the two sides enable the hearth 8 to form a particularly uniform temperature field, the heating uniformity of the reduction tank 9 is improved, the waste heat of the smoke of the calciner is used as a heat source of the heating furnace, the cyclic utilization of heat resources is realized, and the smoke is recycled.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. A magnesium furnace processing device comprises a reduction furnace (1) and a reduction tank (9), and is characterized in that a base (2) is welded at the bottom end of the reduction furnace (1), a feed inlet (3) is formed in the right side of the reduction furnace (1), a furnace cover (301) is nested at one end of the feed inlet (3), a concentrated flue (4) is arranged at the upper end, close to the left side, of the reduction furnace (1), the concentrated flue (4) is communicated with the reduction furnace (1), one end of the concentrated flue (4) is connected with a first heat-conducting flue (5), the other end of the concentrated flue (4) is connected with a second heat-conducting flue (6), the first heat-conducting flue (5) and the second heat-conducting flue (6) penetrate through the inner walls of the two sides of the reduction furnace (1) and extend into the reduction furnace (1), a coal-fired feed inlet (7) is formed in the left, the lower end of the interior of the reduction furnace (1) is provided with a hearth (8), the upper end, located on the hearth (8), of the reduction furnace (1) is fixedly provided with a reduction tank (9), heat storage chambers (10) are arranged on two sides of the hearth (8), the upper end, located on the hearth (8), of the reduction furnace (1) is welded with a fixing plate (11), and the side face of the fixing plate (11) is welded with a superheater (12).
2. The magnesium furnace processing device according to claim 1, wherein the concentrated flue (4) is positioned at the upper end of the hearth (8), and the superheaters (12) are arranged on both sides of the concentrated flue (4).
3. The magnesium furnace processing device according to claim 1, wherein the air outlets of the first heat-leading flue (5) and the second heat-leading flue (6) are arranged in a gathering manner, and the air outlets of the first heat-leading flue (5) and the second heat-leading flue (6) are communicated with the heat storage chamber (10).
4. The magnesium furnace processing device according to claim 1 or 3, wherein the gas outlets of the first heat-drawing flue (5) and the second heat-drawing flue (6) are vertically arranged, and the lower ends of the gas outlets are 40cm away from the bottom of the regenerator (10).
5. The magnesium furnace processing device according to claim 1, wherein the superheater (12) is a platen superheater (12), and the platen superheater (12) is arranged in a stepped upward manner.
6. The magnesium furnace processing device according to claim 1, wherein the concentration flue (4), the first heat-leading flue (5) and the second heat-leading flue (6) are internally provided with heat exchange tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920244541.7U CN209778963U (en) | 2019-02-26 | 2019-02-26 | Magnesium furnace processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920244541.7U CN209778963U (en) | 2019-02-26 | 2019-02-26 | Magnesium furnace processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209778963U true CN209778963U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920244541.7U Expired - Fee Related CN209778963U (en) | 2019-02-26 | 2019-02-26 | Magnesium furnace processing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209778963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116440672A (en) * | 2023-04-19 | 2023-07-18 | 湖南先导新材料科技有限公司 | Sulfur-containing high-temperature flue gas treatment system and flue gas treatment method |
-
2019
- 2019-02-26 CN CN201920244541.7U patent/CN209778963U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116440672A (en) * | 2023-04-19 | 2023-07-18 | 湖南先导新材料科技有限公司 | Sulfur-containing high-temperature flue gas treatment system and flue gas treatment method |
| CN116440672B (en) * | 2023-04-19 | 2024-04-09 | 湖南先导新材料科技有限公司 | Sulfur-containing high-temperature flue gas treatment system and flue gas treatment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 |