CN114838589B - Double-chamber melting furnace for recycling aluminum scraps and aluminum ingots by diffuse combustion - Google Patents
Double-chamber melting furnace for recycling aluminum scraps and aluminum ingots by diffuse combustion Download PDFInfo
- Publication number
- CN114838589B CN114838589B CN202210553608.1A CN202210553608A CN114838589B CN 114838589 B CN114838589 B CN 114838589B CN 202210553608 A CN202210553608 A CN 202210553608A CN 114838589 B CN114838589 B CN 114838589B
- Authority
- CN
- China
- Prior art keywords
- furnace
- aluminum
- frame
- body shell
- combustion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 166
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 166
- 238000002844 melting Methods 0.000 title claims abstract description 55
- 230000008018 melting Effects 0.000 title claims abstract description 50
- 238000004064 recycling Methods 0.000 title claims abstract description 27
- 238000002485 combustion reaction Methods 0.000 title claims description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 238000010992 reflux Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 53
- 239000002893 slag Substances 0.000 claims description 26
- 238000009792 diffusion process Methods 0.000 claims description 17
- 239000000779 smoke Substances 0.000 claims description 16
- 238000005338 heat storage Methods 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 6
- 239000011449 brick Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims 2
- 238000004804 winding Methods 0.000 claims 2
- 238000005058 metal casting Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 25
- 239000004411 aluminium Substances 0.000 description 18
- 238000009825 accumulation Methods 0.000 description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 230000001172 regenerating effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 238000010309 melting process Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002354 daily effect Effects 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000036284 oxygen consumption Effects 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/20—Arrangement of controlling, monitoring, alarm or like devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D27/00—Stirring devices for molten material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
- F27D3/1545—Equipment for removing or retaining slag
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
- F27B2014/0812—Continuously charging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
- F27B2014/0818—Discharging
-
- 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
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The application discloses a double-chamber melting furnace for recycling aluminum scraps and aluminum ingots, which belongs to the field of metal casting and particularly relates to a double-chamber melting furnace for recycling aluminum scraps and aluminum ingots, comprising a furnace body shell, wherein a feeding mechanism is arranged on the side end face of the furnace body shell, a tower type melting furnace is arranged on the side end face of the furnace body shell, a furnace door mechanism and a furnace cover are arranged at the top end of the tower type melting furnace, a first burner is arranged on the tower type melting furnace, a conveying port penetrates through the side end of the tower type melting furnace and the side end of the furnace body shell, a tower furnace mouth is arranged on the tower type melting furnace, and a reflux stirring mechanism is arranged in the furnace body shell.
Description
Technical Field
The application relates to the field of metal casting, in particular to a double-chamber melting furnace for recycling aluminum scraps and aluminum ingots by diffuse combustion.
Background
At present, aluminum product enterprises such as aluminum alloy hubs and the like can generate a large amount of aluminum scraps and recycled materials every day, various raw materials are subjected to multiple procedures, and a production workshop can generate a large amount of raw materials for classification and accumulation every day, so that a large amount of sites and funds are occupied, and therefore, the aluminum scraps and the recycled materials are required to be melted and treated and recycled by combining a melting furnace.
At present, a single furnace type is used in the aluminum casting industry, aluminum scraps and aluminum ingot aluminum block recycled materials are separately treated, double melting of the aluminum scraps and the aluminum ingot aluminum block recycled materials cannot be realized, the aluminum scraps and the recycled materials after the separate treatment are respectively stored in a heat preservation furnace after being melted by each furnace body, heat loss is very large, a large amount of impurities generated by melting the aluminum scraps in the working process of a single furnace chamber affect the quality of aluminum liquid, and meanwhile, in the conventional melting process, a tower furnace feeding mode is mostly adopted, so that the oxidation burning loss of raw materials with different shapes is overlarge, and therefore, the requirement of a user is met by providing a double-chamber double-melting furnace for the aluminum scraps and the aluminum ingot recycled materials through diffuse combustion.
Disclosure of Invention
This section is intended to summarize some aspects of embodiments of the application and to briefly introduce some preferred embodiments, which may be simplified or omitted in this section, as well as the description abstract and the title of the application, to avoid obscuring the objects of this section, description abstract and the title of the application, which is not intended to limit the scope of this application.
The application is provided in view of the problems existing in the existing double-chamber double-melting furnace for recycling aluminum scraps and aluminum ingots by diffuse combustion.
In order to solve the technical problem, according to one aspect of the application, the slag removing device comprises a furnace body shell, a feeding mechanism is arranged on the side end face of the furnace body shell, a tower type melting furnace is arranged on the side end face of the furnace body shell, a first burner is arranged on the tower type melting furnace, a reflux stirring mechanism is arranged in the furnace body shell, a slag removing frame, a retaining frame and a partition wall are fixedly connected in the furnace body shell, the side end face of the slag removing frame is fixedly connected with the side end face of the partition wall, the other side end face of the partition wall is fixedly connected with the side end face of the retaining frame, a reflux passage is penetrated through the partition wall, a small furnace mouth is arranged on the slag removing frame, a large furnace mouth is arranged on the retaining frame, and a high-position aluminum liquid emptying mouth is arranged on the furnace body shell.
As a preferable scheme of the double-chamber furnace for recycling aluminum scraps and aluminum ingots by diffusion combustion, the application comprises the following steps: the top of tower type melting furnace is installed furnace gate mechanism and bell, install first exhaust pipe on the top side terminal surface of tower type melting furnace, seted up the delivery port in the tower type melting furnace, the delivery port runs through the side of seting up at tower type melting furnace and the side of furnace body shell, the tower portion fire door has been setted up on the tower type melting furnace.
As a preferable scheme of the double-chamber furnace for recycling aluminum scraps and aluminum ingots by diffusion combustion, the application comprises the following steps: install the second nozzle on the furnace body shell, set up connecting channel on the furnace body shell, the furnace body shell is connected with a combustion-supporting transport section of thick bamboo through connecting channel, the other end of a combustion-supporting transport section of thick bamboo is installed on the heat accumulation box, be provided with the fibre in the heat accumulation box and roll up the blanket, be provided with the heat preservation on the fibre and roll up the blanket, install heat accumulation burning pipeline and second exhaust pipe on the furnace body shell, install high temperature cross switching-over valve on the heat accumulation burning pipeline.
As a preferable scheme of the double-chamber furnace for recycling aluminum scraps and aluminum ingots by diffusion combustion, the application comprises the following steps: the feeding mechanism comprises a fixing frame, the fixing frame is fixedly connected to the side end face of the furnace body shell, a servo motor is fixedly welded to the fixing frame, a first gear is fixedly welded to an output shaft of the servo motor, a first chain is connected to the first gear in a meshed mode, a second gear is connected to the other end of the first chain in a meshed mode, the second gear is rotationally connected to the fixing frame, a second chain is connected to the second gear in a meshed mode, a third gear is connected to the other end of the second chain in a meshed mode, the third gear is rotationally connected to the fixing frame, a feeding trolley is connected to one end of the second chain, and the feeding trolley is in limiting sliding connection to the fixing frame.
As a preferable scheme of the double-chamber furnace for recycling aluminum scraps and aluminum ingots by diffusion combustion, the application comprises the following steps: the second gears and the third gears are symmetrically distributed on two sides of the fixing frame, the central axis of the second gears and the central axis of the third gears are located on the same vertical central line, the fixing frame and the tower type melting furnace are distributed in parallel, and the height of the fixing frame is larger than that of the tower type melting furnace.
As a preferable scheme of the double-chamber furnace for recycling aluminum scraps and aluminum ingots by diffusion combustion, the application comprises the following steps: the backflow stirring mechanism comprises a backflow frame, the backflow frame is fixedly arranged on the side end face of the furnace body shell, a pump chamber shaping brick is arranged in the backflow frame, an aluminum liquid inlet and an aluminum liquid outlet are formed in the backflow frame in a penetrating mode, the aluminum liquid inlet is formed in the retaining frame in a penetrating mode, the aluminum liquid outlet is formed in the slag skimming frame in a penetrating mode, an aluminum chip discharging vortex pool is arranged in the backflow frame, and a low-level aluminum liquid emptying port is arranged in the backflow frame.
As a preferable scheme of the double-chamber furnace for recycling aluminum scraps and aluminum ingots by diffusion combustion, the application comprises the following steps: the bottom end face of the aluminum liquid inlet and the bottom end face of the aluminum liquid outlet are flush with the inner bottom end face of the furnace body shell, and the width of the inner space of the slag skimming frame is smaller than that of the inner width of the holding frame.
As a preferable scheme of the double-chamber furnace for recycling aluminum scraps and aluminum ingots by diffusion combustion, the application comprises the following steps: the second burner is arranged at the middle part of the side end of the furnace body shell, the connecting channels are symmetrically distributed at the two sides of the second burner, the connecting channels are in one-to-one correspondence with the heat storage box bodies through combustion supporting conveying cylinders, and the combustion supporting conveying cylinders are connected to the middle part of the top of the heat storage box bodies.
The utility model provides a diffusion type combustion system of aluminium bits aluminium ingot material double-chamber double-furnace that burns that disperses, includes manual valve, ignition fan and combustion-supporting fan, the output of manual valve is connected with the input of flowmeter, the output of flowmeter is connected with the input of relief pressure valve, the output of relief pressure valve is connected with the input of manometer, the output of manometer is connected with the input of pressure switch, the output of pressure switch is connected with the input of solenoid valve, the output of solenoid valve is connected with the input of aluminium bits stove nozzle; the output end of the ignition fan is connected with the input end of the pressure gauge, the output end of the pressure gauge is connected with the input end of the pressure switch, the output end of the pressure switch is connected with the input end of the manual valve, and the output end of the manual valve is connected with the input end of the burner of the aluminum scrap furnace; the output end of the combustion-supporting fan is connected with the input end of the pressure gauge, the output end of the pressure gauge is connected with the input end of the pressure switch, the output end of the pressure switch is connected with the input end of the manual valve, and the output end of the manual valve is connected with the input end of the burner of the aluminum scrap furnace.
Compared with the prior art, the application has the beneficial effects that:
1. the aluminum scrap and aluminum ingot collecting device is provided with the slag removing frame and the holding frame, aluminum scraps and aluminum ingots can be subjected to centralized compatible treatment simultaneously by the slag removing frame and the holding frame, production cost is reduced, land resources are saved, furnace internal heat efficiency is improved, most of impurities can be separated from the slag removing frame by the slag removing frame and the partition wall, and aluminum liquid in the holding frame is daily used, so that the discharging quality of the aluminum liquid is improved.
2. Be provided with backward flow rabbling mechanism, utilize aluminium liquid import, aluminium bits unloading vortex pond and aluminium liquid export's cooperation, can drive into aluminium bits unloading vortex pond with the aluminium liquid that keeps the temperature in the frame up to standard and produce the vortex, the vortex that produces can be with aluminium bits roll into bottom aluminium water in, prevent aluminium bits in the outside direct melting of aluminium water, and carry out the scarfing cinder in the slagging-off room, the slag-off room mouth can add the recycling material such as the aluminium piece of part less size and carry out efficient soak formula stirring melting, the great problem of burn-out rate in the aluminium bits melting process has effectively been avoided, the use diversity of doubling the smelting pot has been increased simultaneously, be suitable for the return materials of different grade type and equidimension.
3. The heat-accumulating circulation system can be formed by combining the heat-accumulating combustion pipeline and the high-temperature four-way reversing valve by utilizing the cooperation of the combustion-supporting conveying cylinder and the heat-accumulating box body, so that the heat utilization rate can be effectively improved, and the energy waste is reduced.
4. The novel combustion mode in the double-chamber double-melting furnace adopts a main burner with an ignition burner and a pair of heat storage boxes, flame is uniformly distributed and fully combusted in a hearth through the angle and flow simulation of an outlet, a stable cycle is formed, the combustion supporting temperature of smoke after heat storage of a heat storage ball can reach 600-800 ℃, the unit energy consumption is low, the aluminum liquid is Wen Jingzhun (+ -10 ℃), the novel combustion mode has the advantages of heat storage and energy saving (the temperature of the smoke is reduced to be lower than 150 ℃ after passing through the heat storage ball (70-80 ℃ in special cases), the heat storage ball transmits the heat storage temperature to combustion supporting cold air again, the waste heat recovery of the smoke can reach more than 90%, the combustion heat loss is greatly reduced, the environment is at least saved by 25% -30% for a general large heating furnace (the traditional energy saving technology, the smoke discharging temperature is excessively high, secondary NOx is generated), the smoke discharging temperature is greatly reduced when the preheating temperature of the air reaches 800 ℃, the NOx is greatly reduced, the diffusion type combustion technology can enable the atmosphere in a relatively low oxygen state, the oxygen is destroyed by the combustible components in the fuel when the oxygen content is insufficient, the combustion supporting temperature of the aluminum liquid is in a relatively low oxygen consumption state, the combustion condition of the aluminum liquid is not destroyed, the local oxygen consumption condition is high, the combustion condition of the aluminum liquid is not influenced, the thermal condition of the aluminum liquid is high, and the thermal condition of the combustion condition is not has been guaranteed, and the thermal condition of the thermal condition is high, and the thermal condition is not has been heated, and the thermal condition is high, and the thermal condition is has and the advantages.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following detailed description will be given with reference to the accompanying drawings and detailed embodiments, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive faculty for a person skilled in the art. Wherein:
FIG. 1 is a schematic diagram of the overall top view structure of a double-chamber furnace for recycling aluminum scraps and aluminum ingots by diffusion combustion;
FIG. 2 is a schematic diagram of a front view structure of an aluminum liquid conveying port of a double-chamber double-furnace aluminum ingot recycling material for diffusion combustion;
FIG. 3 is a schematic diagram of the overall side view of a double-chamber furnace for recycling aluminum scraps and aluminum ingots by diffusion combustion;
FIG. 4 is a schematic view of a double-chamber double-furnace structure fixing frame for a diffusion type burnt aluminum scrap aluminum ingot recycling material;
FIG. 5 is a schematic side view of a feed trolley with double chambers for recycling aluminum scraps and aluminum ingots and a melting furnace, which is used for diffuse combustion;
FIG. 6 is a schematic diagram of a first smoke exhaust pipeline of a double-chamber furnace for recycling aluminum scraps and aluminum ingots by diffusion combustion;
FIG. 7 is a schematic diagram of a double-chamber furnace heat storage box for a diffusion-type burned aluminum scrap aluminum ingot recycling material;
FIG. 8 is a schematic diagram of a dispersed combustion system of a double-chamber double-furnace aluminum ingot recycling material for dispersed combustion according to the application.
Reference numerals in the drawings: 1. a furnace body shell; 2. a feeding mechanism; 201. a fixing frame; 202. a servo motor; 203. a first gear; 204. a first chain; 205. a second gear; 206. a second chain; 207. a third gear; 208. feeding trolley; 3. a tower-type melting furnace; 4. a furnace door mechanism; 5. a furnace cover; 6. a first burner; 7. a first smoke exhaust duct; 8. an aluminum liquid conveying port; 9. a tower mouth; 10. a slag removing frame; 11. a holding frame; 12. a partition wall; 13. a return passage; 14. a small furnace mouth; 15. a large furnace mouth; 16. a reflux stirring mechanism; 1601. a reflow frame; 1602. pump chamber shaping brick; 1603. an aluminum liquid inlet; 1604. an aluminum scraps discharging vortex pool; 1605. an aluminum liquid outlet; 17. a low-level aluminum liquid emptying port; 18. a high-level aluminum liquid emptying port; 19. a second burner; 20. a connection channel; 21. a combustion-supporting conveying cylinder; 22. a heat storage tank; 23. a fibrous rolled blanket; 24. a heat preservation layer; 25. a regenerative combustion line; 26. a high-temperature four-way reversing valve; 27. and a second smoke exhaust duct.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Next, the present application will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present application. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Examples
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-8, the double-chamber furnace for recycling aluminum scraps and aluminum ingots by diffusion combustion comprises a furnace body shell 1, a feeding mechanism 2 is arranged on the side end surface of the furnace body shell 1, a tower-type melting furnace 3 is arranged on the side end surface of the furnace body shell 1, the tower type melting furnace 3 is provided with a first burner 6, a reflux stirring mechanism 16 is arranged in the furnace body shell 1, a slag skimming frame 10, a holding frame 11 and a partition wall 12 are fixedly connected in the furnace body shell 1, the side end face of the slag skimming frame 10 is fixedly connected with the side end face of the isolation wall 12, the other side end face of the isolation wall 12 is fixedly connected with the side end face of the holding frame 11, a reflux passage 13 is arranged on the isolation wall 12 in a penetrating way, a small furnace mouth 14 is arranged on the slag skimming frame 10, a large furnace mouth 15 is arranged on the holding frame 11, a high-level aluminum liquid emptying port 18 is arranged on the furnace body shell 1, a furnace door mechanism 4 and a furnace cover 5 are arranged at the top end of the tower type melting furnace 3, the first smoke exhaust pipe 7 is arranged on the side end surface of the top of the tower type melting furnace 3, the conveying port 8 is arranged in the tower type melting furnace 3, the conveying port 8 is arranged at the side end of the tower type melting furnace 3 and the side end of the furnace body shell 1 in a penetrating way, the tower type melting furnace 3 is provided with the tower furnace port 9, aluminum liquid can generate vortex flow by using the reflux stirring mechanism 16, aluminum scraps are soaked and melted by the vortex flow and the aluminum liquid, the problem of large burning rate in the aluminum scraps melting process is effectively avoided, meanwhile, the use diversity of the melting furnace is increased, the recycling materials of different types and different sizes are suitable, meanwhile, the aluminum scraps and aluminum ingots can be subjected to centralized compatible treatment by using the slag-off frame 10 and the holding frame 11, the production cost is reduced, the land resource is saved, the internal heating efficiency of the furnace is improved, and most of impurities can be separated in the slag-off frame 10 by using the slag-off frame 10 and the partition wall 12, the aluminum liquid in the frame 11 is kept in daily use, so that the discharging quality of the aluminum liquid is improved.
In this example, install the second nozzle 19 on the furnace body shell 1, the connecting channel 20 has been seted up on the furnace body shell 1, the furnace body shell 1 is connected with the combustion-supporting transport section of thick bamboo 21 through connecting channel 20, the other end of combustion-supporting transport section of thick bamboo 21 is installed on heat accumulation box 22, be provided with fiber blanket 23 in the heat accumulation box 22, be provided with heat preservation 24 on the fiber blanket 23, install heat accumulation burning pipeline 25 and second exhaust pipe 27 on the furnace body shell 1, install high temperature four-way reversing valve 26 on the heat accumulation burning pipeline 25, the second nozzle 19 sets up in the side intermediate position of furnace body shell 1, connecting channel 20 symmetrical distribution is in the both sides of second nozzle 19, connecting channel 20 is through combustion-supporting transport section of thick bamboo 21 and heat accumulation box 22 one-to-one, combustion-supporting transport section of thick bamboo 21 is connected in the top intermediate position of heat accumulation box 22, utilize the cooperation of combustion-supporting transport section of thick bamboo 21 and heat accumulation box 22, heat accumulation circulation system can be constituteed to combine heat accumulation burning pipeline 25 and high temperature four-way reversing valve 26, and then can effectively improve heat energy utilization ratio, and energy waste is reduced.
In this example, feed mechanism 2 includes mount 201, mount 201 fixed connection is on the side end face of furnace body shell 1, welded fastening has servo motor 202 on the mount 201, welded fastening has first gear 203 on the output shaft of servo motor 202, the meshing is connected with first chain 204 on the first gear 203, the other end meshing of first chain 204 is connected with second gear 205, second gear 205 rotates to be connected on mount 201, the meshing is connected with second chain 206 on the second gear 205, the other end meshing of second chain 206 is connected with third gear 207, third gear 207 rotates to be connected on mount 201, one end of second chain 206 is connected with material loading dolly 208, material loading dolly 208 spacing sliding connection is in mount 201, second gear 205 and third gear 207 all symmetric distribution are in the both sides of mount 201, the central axis of second gear 205 and the central axis of third gear 207 are located same vertical central line, be parallel distribution between mount 201 and the tower melting furnace 3, the height of mount 201 is greater than the height of tower melting furnace 3, the utilization height is higher can guarantee that the material loading can guarantee stable work and the follow-up aluminium can be carried fast and convenient to carry the material.
In this example, the reflow stirring mechanism 16 includes a reflow frame 1601, the reflow frame 1601 is mounted and fixed on a side end face of the furnace body shell 1, a pump chamber shaping brick 1602 is mounted in the reflow frame 1601, an aluminum liquid inlet 1603 and an aluminum liquid outlet 1605 are provided on the reflow frame 1601 in a penetrating manner, the aluminum liquid inlet 1603 is provided on the holding frame 11 in a penetrating manner, the aluminum liquid outlet 1605 is provided on the slag removing frame 10 in a penetrating manner, an aluminum scrap discharging vortex pool 1604 is provided in the reflow frame 1601, a low-level aluminum liquid discharging port 17 is mounted on the reflow frame 1601, a bottom end face of the aluminum liquid inlet 1603 and a bottom end face of the aluminum liquid outlet 1605 are all level with an inner bottom end face of the furnace body shell 1, an inner space width of the slag removing frame 10 is smaller than an inner width space of the holding frame 11, and stability of an aluminum liquid reflow and vortex flow state can be ensured by utilizing cooperation of the aluminum liquid inlet 1603 and the aluminum liquid outlet 1605, and stability of a double-furnace is increased.
The utility model provides a diffusion type combustion system of aluminium bits aluminium ingot material double-chamber double-furnace that burns that disperses, includes manual valve, ignition fan and combustion-supporting fan, the output of manual valve is connected with the input of flowmeter, the output of flowmeter is connected with the input of relief pressure valve, the output of relief pressure valve is connected with the input of manometer, the output of manometer is connected with the input of pressure switch, the output of pressure switch is connected with the input of solenoid valve, the output of solenoid valve is connected with the input of aluminium bits stove nozzle; the output end of the ignition fan is connected with the input end of the pressure gauge, the output end of the pressure gauge is connected with the input end of the pressure switch, the output end of the pressure switch is connected with the input end of the manual valve, and the output end of the manual valve is connected with the input end of the burner of the aluminum scrap furnace; the output end of the combustion-supporting fan is connected with the input end of the pressure gauge, the output end of the pressure gauge is connected with the input end of the pressure switch, the output end of the pressure switch is connected with the input end of the manual valve, and the output end of the manual valve is connected with the input end of the burner of the aluminum scrap furnace.
It should be noted that, the present application is a double-chamber furnace for recycling aluminum scraps and aluminum ingots, firstly, a worker can convey aluminum ingots or aluminum blocks with larger sizes into a holding frame 11 in a furnace body shell 1 by using a large furnace mouth 15, then the worker can utilize the cooperation between two sides of a combustion supporting conveying cylinder 21 and a heat accumulating combustion pipeline 25 to stably heat and melt the aluminum ingots or aluminum blocks through a connecting channel 20 and a second connecting channel 19, and at the same time, the two sides of the combustion supporting conveying cylinder 21 and the corresponding heat accumulating box 22 can form a heat accumulating circulation system, so that the heat energy utilization rate can be effectively improved, the energy waste is reduced, and in the working process of the holding frame 11, the worker can generate vortex by using an aluminum scraps discharging vortex pool 1604 to enable the aluminum liquid flowing into a reflow frame 1601, at this time, the aluminum liquid in the vortex state can be sucked through an aluminum liquid inlet 1603 and discharged through an aluminum liquid outlet 1605 into a slag skimming frame 10, and then the aluminum liquid in the slag skimming frame 10 can be returned into the holding frame 11 through a reflow channel 13 on a partition wall 12, so as to complete the reflow of the aluminum liquid circulation;
then a worker can start a servo motor 202 on a fixed frame 201 by controlling, at the moment, the servo motor 202 can drive a second gear 205 to stably rotate by utilizing a first chain 204 on a first gear 203, and under the rotation action of the second gear 205, a feeding trolley 208 can be driven to move upwards or downwards on the fixed frame 201 by utilizing the cooperation of a second chain 206 and a third gear 207, so that aluminum scraps or reclaimed materials with smaller body types contained in the feeding trolley 208 can be conveyed into a tower type melting furnace 3, then a furnace cover 5 is closed by utilizing a furnace door mechanism 4, at the moment, the tower type melting furnace 3 can preheat the aluminum scraps or reclaimed materials with smaller body types by utilizing a first burner 6, then the aluminum scraps or reclaimed materials with smaller body types can be conveyed into a slag skimming frame 10 through a conveying port 8, at the moment, the generated vortex can be used for entering the aluminum scraps and reclaimed materials into bottom aluminum water under the action of vortex, the aluminum scraps and reclaimed materials are prevented from being directly melted outside the aluminum water, the burning loss rate of the aluminum scraps is reduced, the slag skimming chamber is cleaned, the slag is added into a slag skimming chamber, the small-type aluminum scraps can be effectively prevented from being melted, and the problem of high-efficiency is effectively caused in the process of melting the aluminum scraps with small-type reclaimed materials;
the regenerative burner adopted by the double-melting furnace adopts the latest technology in the fields of low nitrogen oxide emission and high-efficiency combustion, the high-efficiency combustion is carried out by periodically and alternately exchanging heat from a pair of regenerative boxes, the regenerative body (phi 25 regenerative pellets) in the regenerative box is heated by high-temperature flue gas in the furnace in the forward direction, cold air is heated to a certain temperature through the regenerative body in the reverse direction to obtain high-temperature combustion air, and finally the high-temperature combustion air enters the furnace to carry out combustion reaction with the natural gas premixed and ignited by the main burner, and the main performance parameters of a combustion system are as follows; the design commutation period 10-120S can be freely set; the temperature of the air preheating is 600-800 ℃ (a thermocouple is additionally arranged and displayed); the maximum allowable temperature of the smoke emission is 250 ℃; the normal working smoke emission temperature is 100-200 ℃; the heat storage medium is phi 25mm high alumina balls (92 percent); the charge of the thermal storage medium of each thermal storage tank is 1000KG, and the whole combustion control system further comprises: the reversing valve is used for reversing control and the pneumatic execution device thereof; high-efficiency premixing ignition gun; the ultraviolet flame monitor is used for monitoring flame safety, and the ignition gun detects a monitoring point and a monitoring point on the left and right sides of the main burner; a gas flow control valve block; a combustion air flow control valve block; the PLC control cabinet with the man-machine interface is provided, is specially suitable for the requirements of combustion control of the aluminum melting furnace, and can provide accurate and reliable furnace gas temperature control, burner reversing control, furnace pressure control, other functions of measurement, display, alarm and the like; in the actual combustion process, the main flame has two working conditions: the maximum capacity of the device is about 240 cubic meters per hour in the big fire state and the small fire state, and the capacity of the device is about 125 cubic meters per hour in the small fire working condition. The big and small fire control is controlled by two groups of natural gas electromagnetic valves, the natural gas electromagnetic valves are opened and closed at the same time under the working condition of small fire, the natural gas electromagnetic valves are opened at the same time under the working condition of big fire, the two paths of electromagnetic valves are closed completely, the main flame stops burning, the ignition burner is a pilot flame, and the combustion safety in the furnace is ensured; and meanwhile, a temperature thermocouple is arranged at the outlet of each heat accumulating bed of the combustion system, the temperature of the discharged smoke is detected, the detected temperature is sent to the PLC system and displayed on an operation screen, and when the temperature of the discharged smoke exceeds 200 ℃, the system is forcedly switched. The top of the hearth is provided with a furnace gas temperature detector, the detected temperature is sent to the PLC system and displayed on an operation screen, and when the detected temperature exceeds a set temperature, the system is forcedly switched; the provided burner ignition system and the main burner system are respectively provided with an independent flame monitoring system to ensure the combustion safety, the flame is continuously monitored in the whole combustion process to ensure that the ignition flame is always in a combustion state, and if the ignition gun or the main flame is extinguished in the operation period, the controller closes all electromagnetic valves and alarms for displaying to ensure the combustion safety; meanwhile, before the burner starts to ignite every time of cold furnace, the combustion-supporting fan and the smoke exhaust fan are automatically opened to the maximum position, purging replacement is forcedly carried out on the atmosphere in the furnace, the total replacement amount is 3 times of the total volume in the furnace, safe ignition can be carried out when the combustion is started and the furnace is in a completely safe state, when a worker presses an ignition preparation button, the ignition preparation red light starts to flash, an automatic ignition program can judge whether all relevant parameters of the system reach the minimum ignition requirement and simultaneously carry out purging operation in the furnace, if the requirement is met, the ignition preparation red light is lighted for a long time, an operator presses an ignition starting button to carry out burner ignition, if the requirement is not met, the system can alarm, alarm content is displayed, the ignition preparation red light is extinguished, and after the operator ascertains the equipment failure reason, the ignition preparation operation is carried out again.
Although the application has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the application. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the appended claims.
Claims (2)
1. The double-chamber melting furnace for the aluminum scraps and aluminum ingots for recycling of diffusion combustion comprises a furnace body shell (1) and is characterized in that the double-chamber double-melting furnace comprises a furnace body shell (1); the feeding mechanism (2) is arranged on the side end face of the furnace body shell (1), the tower type melting furnace (3) is arranged on the side end face of the furnace body shell (1), the first burner (6) is arranged on the tower type melting furnace (3), the reflux stirring mechanism (16) is arranged in the furnace body shell (1), the slag skimming frame (10), the holding frame (11) and the partition wall (12) are fixedly connected in the furnace body shell (1), the side end face of the slag skimming frame (10) is fixedly connected with the side end face of the partition wall (12), the other side end face of the partition wall (12) is fixedly connected with the side end face of the holding frame (11), the reflux channel (13) is penetrated and arranged on the partition wall (12), the small burner opening (14) is arranged on the slag skimming frame (10), the large burner opening (15) is arranged on the holding frame (11), and the high-position molten aluminum emptying opening (18) is arranged on the furnace body shell (1);
the top end of the tower type melting furnace (3) is provided with a furnace door mechanism (4) and a furnace cover (5), a first smoke exhaust pipeline (7) is arranged on the side end face of the top of the tower type melting furnace (3), a conveying opening (8) is formed in the tower type melting furnace (3), the conveying opening (8) penetrates through the side end of the tower type melting furnace (3) and the side end of the furnace body shell (1), and a tower part furnace opening (9) is formed in the tower type melting furnace (3);
the furnace body shell (1) is provided with a second burner (19), the furnace body shell (1) is provided with a connecting channel (20), the furnace body shell (1) is connected with a combustion supporting conveying cylinder (21) through the connecting channel (20), the other end of the combustion supporting conveying cylinder (21) is arranged on a heat accumulating box body (22), a fiber winding blanket (23) is arranged in the heat accumulating box body (22), the fiber winding blanket (23) is provided with an insulating layer (24), the furnace body shell (1) is provided with a heat accumulating combustion pipeline (25) and a second smoke discharging pipeline (27), and the heat accumulating combustion pipeline (25) is provided with a high-temperature four-way reversing valve (26);
the feeding mechanism (2) comprises a fixing frame (201), the fixing frame (201) is fixedly connected to the side end face of the furnace body shell (1), a servo motor (202) is fixedly welded to the fixing frame (201), a first gear (203) is fixedly welded to an output shaft of the servo motor (202), a first chain (204) is connected to the first gear (203) in a meshed mode, a second gear (205) is connected to the other end of the first chain (204) in a meshed mode, the second gear (205) is rotatably connected to the fixing frame (201), a second chain (206) is connected to the second gear (205) in a meshed mode, a third gear (207) is connected to the other end of the second chain (206) in a meshed mode, a feeding trolley (208) is connected to one end of the second chain (206) in a meshed mode, and the feeding trolley (208) is connected to the fixing frame (201) in a limiting sliding mode.
The second gears (205) and the third gears (207) are symmetrically distributed on two sides of the fixing frame (201), the central axis of the second gears (205) and the central axis of the third gears (207) are located on the same vertical central line, the fixing frame (201) and the tower type melting furnace (3) are distributed in parallel, and the height of the fixing frame (201) is larger than that of the tower type melting furnace (3);
the backflow stirring mechanism (16) comprises a backflow frame (1601), the backflow frame (1601) is fixedly arranged on the side end face of the furnace body shell (1), a pump chamber shaping brick (1602) is arranged in the backflow frame (1601), an aluminum liquid inlet (1603) and an aluminum liquid outlet (1605) are formed in the backflow frame (1601) in a penetrating mode, the aluminum liquid inlet (1603) is formed in the retaining frame (11) in a penetrating mode, the aluminum liquid outlet (1605) is formed in the slagging-off frame (10) in a penetrating mode, an aluminum scrap discharging vortex pool (1604) is arranged in the backflow frame (1601), and a low-position aluminum liquid emptying port (17) is formed in the backflow frame (1601);
the bottom end surface of the aluminum liquid inlet (1603) and the bottom end surface of the aluminum liquid outlet (1605) are flush with the inner bottom end surface of the furnace body shell (1), and the inner space width of the slag skimming frame (10) is smaller than the inner width space of the holding frame (11);
the second burner (19) is arranged at the middle part of the side end of the furnace body shell (1), the connecting channels (20) are symmetrically distributed at the two sides of the second burner (19), the connecting channels (20) are in one-to-one correspondence with the heat storage box bodies (22) through the combustion-supporting conveying cylinders (21), and the combustion-supporting conveying cylinders (21) are connected at the middle part of the top of the heat storage box bodies (22).
2. The dispersion type combustion system of the double-chamber double-furnace aluminum ingot recycling furnace for dispersion type combustion according to claim 1, wherein the system is characterized in that: the aluminum scrap furnace burner comprises a manual valve, an ignition fan and a combustion fan, wherein the output end of the manual valve is connected with the input end of a flow meter, the output end of the flow meter is connected with the input end of a pressure gauge, the output end of the pressure gauge is connected with the input end of a pressure switch, the output end of the pressure switch is connected with the input end of a solenoid valve, and the output end of the solenoid valve is connected with the input end of an aluminum scrap furnace burner; the output end of the ignition fan is connected with the input end of the pressure gauge, the output end of the pressure gauge is connected with the input end of the pressure switch, the output end of the pressure switch is connected with the input end of the manual valve, and the output end of the manual valve is connected with the input end of the burner of the aluminum scrap furnace; the output end of the combustion-supporting fan is connected with the input end of the pressure gauge, the output end of the pressure gauge is connected with the input end of the pressure switch, the output end of the pressure switch is connected with the input end of the manual valve, and the output end of the manual valve is connected with the input end of the burner of the aluminum scrap furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210553608.1A CN114838589B (en) | 2022-05-20 | 2022-05-20 | Double-chamber melting furnace for recycling aluminum scraps and aluminum ingots by diffuse combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210553608.1A CN114838589B (en) | 2022-05-20 | 2022-05-20 | Double-chamber melting furnace for recycling aluminum scraps and aluminum ingots by diffuse combustion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114838589A CN114838589A (en) | 2022-08-02 |
| CN114838589B true CN114838589B (en) | 2023-08-25 |
Family
ID=82571266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210553608.1A Active CN114838589B (en) | 2022-05-20 | 2022-05-20 | Double-chamber melting furnace for recycling aluminum scraps and aluminum ingots by diffuse combustion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114838589B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201917210U (en) * | 2010-12-15 | 2011-08-03 | 上海埃鲁秘工业炉制造有限公司 | Fuel gas-oil-electricity mixed type aluminum alloy melting and heat insulation furnace |
| CN102425944A (en) * | 2011-11-23 | 2012-04-25 | 浙江龙游海光有色金属废料再生有限公司 | Metal melting furnace |
| CN111649320A (en) * | 2020-07-13 | 2020-09-11 | 岳阳鑫特热能工程技术有限公司 | Dispersion mixing type low-nitrogen heat accumulation combustion system |
| CN113108616A (en) * | 2021-05-21 | 2021-07-13 | 宁波卓锋汽车科技有限公司 | Melting and heat-preserving standing integrated aluminum alloy melting furnace |
| CN113446849A (en) * | 2020-03-28 | 2021-09-28 | 伯纳特(苏州)能源科技有限公司 | Low-temperature pure oxygen mixed electric melting aluminum furnace |
-
2022
- 2022-05-20 CN CN202210553608.1A patent/CN114838589B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201917210U (en) * | 2010-12-15 | 2011-08-03 | 上海埃鲁秘工业炉制造有限公司 | Fuel gas-oil-electricity mixed type aluminum alloy melting and heat insulation furnace |
| CN102425944A (en) * | 2011-11-23 | 2012-04-25 | 浙江龙游海光有色金属废料再生有限公司 | Metal melting furnace |
| CN113446849A (en) * | 2020-03-28 | 2021-09-28 | 伯纳特(苏州)能源科技有限公司 | Low-temperature pure oxygen mixed electric melting aluminum furnace |
| CN111649320A (en) * | 2020-07-13 | 2020-09-11 | 岳阳鑫特热能工程技术有限公司 | Dispersion mixing type low-nitrogen heat accumulation combustion system |
| CN113108616A (en) * | 2021-05-21 | 2021-07-13 | 宁波卓锋汽车科技有限公司 | Melting and heat-preserving standing integrated aluminum alloy melting furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114838589A (en) | 2022-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015043296A1 (en) | Progressive-switching regenerative combustion apparatus and control method therefor | |
| CN101514871A (en) | Heat accumulated type lead-melting furnace | |
| CN201547779U (en) | Rotary continuous heat accumulation burner | |
| CN205026653U (en) | Compound htac combustion device | |
| CN101608793A (en) | Air and gas double heat accumulating type burner | |
| CN204806401U (en) | Heat storage burner | |
| CN203758257U (en) | Under-machine type heat exchanger for double-preheating sintering ignition furnace | |
| CN203432315U (en) | Aluminum smelting furnace staged oxygen-deficient combustion device | |
| CN205026654U (en) | Htac combustion device who mixes | |
| CN201653133U (en) | Heat accumulating type lead-liquating boiler | |
| CN114838589B (en) | Double-chamber melting furnace for recycling aluminum scraps and aluminum ingots by diffuse combustion | |
| CN101093140A (en) | Heat storage type vertical metal magnesium reducing furnace | |
| CN101942574B (en) | Pulse-combustion heat accumulating type metal magnesium reduction furnace | |
| CN101020966A (en) | Heat accumulating high efficiency green vertical magnesium reducing furnace | |
| CN104848220B (en) | Heat-storage-type burning device | |
| CN209042342U (en) | A kind of rich oxygen type heat accumulating burner | |
| CN102381830A (en) | Method and system for supporting combustion by using oxygen-enriched air in production of float glass | |
| CN203431915U (en) | Aluminum smelting furnace rotary regenerative burner | |
| CN209541411U (en) | A kind of Two-cuff Technique roller hearth type heating furnace | |
| CN201793693U (en) | Pulse combustion heat accumulation type metallic magnesium reducing furnace | |
| CN201935557U (en) | Regenerative combustion furnace | |
| CN200941001Y (en) | Heat-retaining vertical metal Mg reduction furnace | |
| CN201225619Y (en) | Air and coal gas double-thermal storage type combustor | |
| CN201522185U (en) | Gas-fired cupola | |
| CN101020967A (en) | Heat accumulating horizontal magnesium reducing furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Double Chamber Furnace with Dispersive Combustion for Reusable Aluminum Scrap and Ingot Granted publication date: 20230825 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jinhua Wucheng branch Pledgor: ZHEJIANG JINFEI KAIDA WHEEL Co.,Ltd. Registration number: Y2024980002000 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |