CN112665384A - Melting furnace for regenerated wrought aluminum alloy melt - Google Patents
Melting furnace for regenerated wrought aluminum alloy melt Download PDFInfo
- Publication number
- CN112665384A CN112665384A CN202011446459.6A CN202011446459A CN112665384A CN 112665384 A CN112665384 A CN 112665384A CN 202011446459 A CN202011446459 A CN 202011446459A CN 112665384 A CN112665384 A CN 112665384A
- Authority
- CN
- China
- Prior art keywords
- melting furnace
- heat
- furnace body
- aluminum alloy
- crucible
- 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.)
- Pending
Links
Images
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses a melting furnace for regenerating deformed aluminum alloy melt, which comprises a melting furnace body, a protective shell and a crucible, wherein the bottom end of the melting furnace body is fixedly connected with the top end of the protective shell, the bottom end of the protective shell is fixedly provided with a stabilizing base, the inner wall of the melting furnace body is fixedly provided with an asbestos heat-insulating enclosure, the inner wall of the asbestos heat-insulating enclosure is fixedly provided with a ceramic fiber heat-insulating enclosure, the inner wall of the ceramic fiber heat-insulating enclosure is fixedly provided with a graphite furnace lining, the graphite furnace lining is connected with the crucible in a sliding manner through a sliding structure, a heat exchange structure is fixedly arranged at an exhaust port at one side of the melting furnace body, and a furnace gas purification structure is fixedly arranged at one side of the heat exchange structure. The heat loss is reduced, the heat efficiency is improved, and the practicability is strong.
Description
Technical Field
The invention relates to a melting furnace, in particular to a melting furnace for a regenerated and deformed aluminum alloy melt, and belongs to the technical field of melting furnaces.
Background
The aluminum alloy medium melting furnace is a novel high-efficiency energy-saving aluminum melting furnace developed according to an aluminum melting process, is mainly used for melting and heat preservation of aluminum ingots, and can well meet the aluminum melting process. The furnace consists of melting furnace, crucible, heating element, furnace cover lifting mechanism, automatic temperature control system, etc. and the furnace casing is welded into cylinder with section steel and steel plate. The lower part of the front end of the furnace body is provided with a hole for the molten liquid in the crucible to flow out of the furnace body through the hole under the condition that the crucible generates cracks due to corrosion and oxidation to form leakage drops, so that the hearth of the working chamber cannot be damaged.
However, the existing melting furnace has some disadvantages, for example, the existing melting furnace has low thermal efficiency, generally because the thermal insulation performance cannot be achieved, and secondly, the generated gas has high heat, which is not beneficial to waste heat utilization, resulting in high heat loss, thereby reducing the thermal efficiency, and the existing melting furnace mostly adopts open-cover charging, so that the high-temperature hot gas not only easily hurts people by mistake, but also can dissipate a large amount of heat, and consume more energy, therefore, the melting furnace for the regeneration deformation aluminum alloy melt is provided.
Disclosure of Invention
The invention aims to provide a melting furnace for a regenerated wrought aluminum alloy melt, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a melting furnace is used to regeneration deformation aluminum alloy fuse-element, is including melting furnace body, protecting sheathing and crucible, melt the bottom of furnace body and protecting sheathing's top fixed connection, protecting sheathing's bottom mounting is equipped with stable base, the fixed asbestos that is equipped with of the inner wall department of melting the furnace body is thermal-insulated encloses, the fixed ceramic fiber that is equipped with of the thermal-insulated inner wall department that encloses of asbestos encloses is thermal-insulated to enclose, the fixed graphite furnace wall that is equipped with of the thermal-insulated inner wall department that encloses of ceramic fiber, the graphite furnace wall passes through sliding construction and crucible sliding connection, the opening part cooperation on melting furnace body top is connected with sealed bell, protecting sheathing's internally mounted has combustion structure, the fixed heat transfer structure that is equipped with in exhaust vent department of melting furnace body.
As a preferred technical scheme, the combustion structure comprises an oil tank arranged on one side inside the protective shell, one end of the oil tank is connected with an oil pump through an oil conveying pipe, the output end of the oil pump is connected with a safety pipeline, one end of the safety pipeline penetrates through the melting furnace body and is fixedly connected with a burner, and the burner and the oil pump are both electrically connected with an external power supply.
As a preferred technical scheme of the invention, the heat exchange structure comprises an exhaust pipeline which is in alternate connection with an exhaust port on one side of the melting furnace body, one end of the exhaust pipeline is fixedly provided with a heat insulation shell, a heat exchange tube fin group is installed inside the heat insulation shell, a heat conduction air pipe is in alternate connection with the heat exchange tube fin group, one end of the heat conduction air pipe penetrates through the heat insulation shell and is connected with a mute fan, the other end of the heat conduction air pipe penetrates through the heat insulation shell and is connected with an air inlet pipe, one end of the air inlet pipe penetrates through the melting furnace body and corresponds to a burner, the inner wall of the heat insulation shell is in fit connection with a heat insulation layer, and an air outlet of the heat insulation shell is communicated with the furnace gas.
As a preferred technical scheme of the invention, the furnace gas purification structure comprises a purification outer cylinder communicated with the air outlet of the heat preservation shell, two symmetrical titanium dioxide purification plates are installed inside the purification outer cylinder, and a chimney is fixedly arranged at one end of the purification outer cylinder.
As a preferred technical scheme, the sliding structure comprises sliding limiting grooves arranged on two sides inside a graphite furnace lining, matching strips are connected inside the two sliding limiting grooves in a sliding mode, the two matching strips are arranged on two sides of a crucible respectively, and heat insulation handles are fixedly arranged on two sides of the top end of the crucible.
As a preferred technical scheme of the invention, an inclined material pipe is inserted into one side of the top end of the sealed furnace cover, one end of the inclined material pipe is fixedly provided with a hopper, and the inside of the hopper is movably connected with a ceramic heat insulation plate through a return spring.
As a preferred technical scheme of the invention, the top end of the sealed furnace cover is provided with a connecting arm support, one end of the connecting arm support is fixedly provided with a lifting oil cylinder, the lifting oil cylinder is fixedly connected with one side of the melting furnace body, and the lifting oil cylinder is electrically connected with an external power supply.
As a preferable technical scheme of the invention, the bottom end of the crucible is correspondingly connected with the burner through a heat conducting plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the melting furnace for the regenerated and deformed aluminum alloy melt, the exhaust pipeline, the heat insulation shell, the heat exchange pipe fin group, the heat insulation layer, the heat conduction air pipe and the mute fan are arranged, so that heat of furnace gas can be conveniently exchanged into air entering the melting furnace body, the air can be conveniently preheated, heat loss is reduced, the heat efficiency is improved, and the practicability is high.
2. According to the melting furnace for the regenerated and deformed aluminum alloy melt, provided by the invention, semi-automatic feeding is facilitated to enter the crucible through the hopper, the inclined material pipe, the ceramic heat insulation plate and the return spring, so that hot gas rising caused by uncovering is avoided, workers are prevented from being scalded, meanwhile, a large amount of heat is prevented from being dissipated, and energy is saved.
3. According to the melting furnace for the regenerated and deformed aluminum alloy melt, the graphite furnace lining, the asbestos heat insulation enclosure and the ceramic fiber heat insulation enclosure are arranged, so that the heat insulation performance of the melting furnace body is improved, the heat dissipation loss of the melting furnace body is reduced, and the heat efficiency is improved.
4. According to the melting furnace for the regenerated wrought aluminum alloy melt, the purifying outer cylinder and the titanium dioxide purifying plate are arranged, so that furnace gas can be purified conveniently, and the pollution of the furnace gas is reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of a melting furnace body according to the present invention;
FIG. 2 is a schematic cross-sectional view of the melting furnace body of the present invention;
FIG. 3 is a schematic view of the internal structure of the insulating case of the present invention;
FIG. 4 is a schematic view of the internal structure of the purification outer cylinder of the present invention;
FIG. 5 is a schematic structural view of a sliding structure according to the present invention;
fig. 6 is a schematic structural view of the hopper of the present invention.
In the figure: 1. a melting furnace body; 2. a protective housing; 3. a stabilizing base; 4. an oil tank; 5. a safety pipe; 6. an oil delivery pipe; 7. an oil pump; 8. a burner; 9. lifting the oil cylinder; 10. connecting the arm support; 11. sealing the furnace cover; 12. a hopper; 13. inclining the material pipe; 14. an exhaust duct; 15. a heat-insulating shell; 16. an air inlet pipe; 17. purifying the outer cylinder; 18. a crucible; 19. a heat conducting plate; 20. a graphite furnace lining; 21. asbestos insulation; 22. ceramic fiber heat insulation enclosure; 23. a heat exchange tube fin set; 24. a heat-insulating layer; 25. a heat conducting air pipe; 26. a mute fan; 27. a titanium dioxide purification plate; 28. a chimney; 29. a sliding limit groove; 30. a mating strip; 31. a heat insulation handle; 32. a ceramic thermal baffle; 33. a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a melting furnace for regenerating a wrought aluminum alloy melt, comprising:
according to the drawings 1-6, the melting furnace comprises a melting furnace body 1, a protective shell 2 and a crucible 18, the bottom end of the melting furnace body 1 is fixedly connected with the top end of the protective shell 2, a stabilizing base 3 is fixedly arranged at the bottom end of the protective shell 2, an asbestos heat insulation enclosure 21 is fixedly arranged at the inner wall of the melting furnace body 1, a ceramic fiber heat insulation enclosure 22 is fixedly arranged at the inner wall of the asbestos heat insulation enclosure 21, a graphite lining 20 is fixedly arranged at the inner wall of the ceramic fiber heat insulation enclosure 22, the graphite lining 20 is slidably connected with the crucible 18 through a sliding structure, a sealing furnace cover 11 is connected at the opening at the top end of the melting furnace body 1 in a matching manner, a combustion structure is arranged inside the protective shell 2, a heat exchange structure is fixedly arranged at an exhaust port at.
According to fig. 1 and fig. 2 show, the burning structure is including setting up the oil tank 4 in the inside one side of protective housing 2, the one end of oil tank 4 is connected with oil pump 7 through defeated oil pipe 6, the output of oil pump 7 is connected with safety pipeline 5, melting furnace body 1 and fixedly connected with combustor 8 are passed to safety pipeline 5's one end, combustor 8 and oil pump 7 all with external power supply electric connection, the bottom of crucible 18 corresponds with combustor 8 through the heat-conducting plate 19 that is equipped with and is connected, be convenient for heat crucible 18, the rate of heating is fast, make crucible 18's bottom be heated evenly through heat-conducting plate 19 simultaneously, high durability and convenient use.
According to the illustration in fig. 3 and 4, the heat exchange structure comprises an exhaust pipeline 14 which is connected with an exhaust port on one side of the melting furnace body 1 in an inserting manner, one end of the exhaust pipeline 14 is fixedly provided with a heat preservation shell 15, a heat exchange tube fin group 23 is arranged in the heat preservation shell 15, a heat conduction air tube 25 is connected with the heat exchange tube fin group 23 in an inserting manner, one end of the heat conduction air tube 25 penetrates through the heat preservation shell 15 and is connected with a mute fan 26, the other end of the heat conduction air tube 25 penetrates through the heat preservation shell 15 and is connected with an air inlet tube 16, one end of the air inlet tube 16 penetrates through the melting furnace body 1 and corresponds to the burner 8, an inner wall of the heat preservation shell 15 is connected with a heat preservation layer 24 in an attaching manner, an air outlet of the heat preservation shell 15 is communicated with a furnace gas purification structure through a tube section, the furnace gas, a chimney 28 is fixedly arranged at one end of the purification outer cylinder 17, so that heat of furnace gas can be conveniently exchanged into the air entering the melting furnace body 1, the air can be conveniently preheated, and heat loss is reduced.
According to the drawings of fig. 5 and fig. 6, the sliding structure comprises sliding limiting grooves 29 arranged on two sides inside a graphite furnace lining 20, matching strips 30 are connected inside the two sliding limiting grooves 29 in a sliding manner, the two matching strips 30 are respectively arranged on two sides of a crucible 18, heat insulation handles 31 are fixedly arranged on two sides of the top end of the crucible 18, the crucible 18 is convenient to replace, the operation is convenient, an inclined material pipe 13 is inserted and arranged on one side of the top end of a sealed furnace cover 11, a hopper 12 is fixedly arranged at one end of the inclined material pipe 13, a ceramic heat insulation plate 32 is movably connected inside the hopper 12 through a reset spring 33, semi-automatic charging is convenient to enter the inside of the crucible 18, hot air rising caused by opening the cover is avoided, workers are scalded, a connecting arm frame 10 is installed at the top end of the sealed furnace cover 11, a lifting oil cylinder 9 is fixedly arranged, the lifting oil cylinder 9 is electrically connected with an external power supply, so that the sealed furnace cover 11 can be automatically opened conveniently, and cleaning and material taking are facilitated.
When the melting furnace is used specifically, a power supply is switched on, a lifting oil cylinder 9 rises to enable a sealed furnace cover 11 to be separated from a melting furnace body 1 by a certain distance, the regenerated and deformed aluminum alloy melt is placed in a crucible 18, the sealed furnace cover 11 is closed, a burner 8 and an oil pump 7 are controlled, the oil pump 7 conveys combustion oil in an oil tank 4 to the burner 8, the combustion oil is converted into flame through the burner 8, the bottom of the crucible 18 is heated, the bottom of the crucible 18 is uniformly heated through a heat conducting plate 19, when auxiliary metal elements need to be added, metal to be added is placed in a hopper 12, when the metal amount reaches a certain weight, a ceramic 32 automatically overturns for a certain angle to enable the metal to enter an inclined material pipe 13 and enter the crucible 18 through the inclined material pipe 13 to perform melting operation, and during melting, the generated furnace gas enters the interior of the heat-insulating shell 15 through the exhaust pipeline 14, the heat is exchanged into the air entering the interior of the melting furnace body 1 through the heat-exchange tube fin group 23 to preheat the air, so as to facilitate better combustion supporting of the air, in conclusion, the invention is convenient to exchange the heat of the furnace gas into the air entering the interior of the melting furnace body 1 through the exhaust pipeline 14, the heat-insulating shell 15, the heat-exchange tube fin group 23, the heat-insulating layer 24, the heat-conducting air tube 25 and the silent fan 26, so as to facilitate the preheating of the air, reduce the heat loss, improve the heat efficiency and have strong practicability, the semi-automatic feeding is facilitated through the hopper 12, the inclined material tube 13, the ceramic 32 and the reset spring 33, the cover opening is avoided to cause the rise of the hot gas, the scald of the working personnel is avoided, meanwhile, a large amount of heat insulation boards are prevented from being dissipated, the, The asbestos insulation enclosure 21 and the ceramic fiber insulation enclosure 22 improve the heat insulation performance of the melting furnace body 1, so that the heat dissipation loss of the melting furnace body 1 is reduced, and the heat efficiency is improved.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a melting furnace for regeneration deformation aluminum alloy fuse-element, includes melting furnace body (1), protecting sheathing (2) and crucible (18), its characterized in that, the bottom of melting furnace body (1) and the top fixed connection of protecting sheathing (2), the bottom mounting of protecting sheathing (2) is equipped with stabilizing base (3), the fixed asbestos that is equipped with of inner wall department of melting furnace body (1) separates heat and encloses (21), the fixed ceramic fiber that is equipped with of asbestos separates heat and encloses (22) of inner wall department of (21) separates heat, the fixed graphite furnace lining (20) that is equipped with of inner wall department that the ceramic fiber separates heat and encloses (22), graphite furnace lining (20) pass through sliding construction and crucible (18) sliding connection, the opening part cooperation on melting furnace body (1) top is connected with sealed bell (11), the internally mounted of protecting sheathing (2) has combustion structure, the melting furnace is characterized in that a heat exchange structure is fixedly arranged at an exhaust port on one side of the melting furnace body (1), and a furnace gas purification structure is fixedly arranged on one side of the heat exchange structure.
2. The melting furnace for a regenerated wrought aluminum alloy melt according to claim 1, characterized in that: the combustion structure is including setting up oil tank (4) in protective housing (2) inside one side, the one end of oil tank (4) is connected with oil pump (7) through defeated oil pipe (6), the output of oil pump (7) is connected with safety line (5), the one end of safety line (5) is passed and is melted furnace body (1) and fixedly connected with combustor (8), combustor (8) and oil pump (7) all with external power supply electric connection.
3. The melting furnace for the wrought aluminum alloy melt of claim 2, wherein: the heat exchange structure comprises an exhaust pipeline (14) which is in penetrating connection with an exhaust port on one side of the melting furnace body (1), one end of the exhaust pipeline (14) is fixedly provided with a heat insulation shell (15), a heat exchange tube fin group (23) is arranged in the heat insulation shell (15), a heat conducting air pipe (25) is inserted and connected in the heat exchange pipe fin group (23), one end of the heat conducting air pipe (25) passes through the heat preservation shell (15) and is connected with a mute fan (26), the other end of the heat conducting air pipe (25) passes through the heat preservation shell (15) and is connected with an air inlet pipe (16), one end of the air inlet pipe (16) passes through the melting furnace body (1) and corresponds to the burner (8), the inner wall of the heat-insulating shell (15) is jointed and connected with a heat-insulating layer (24), and the air outlet of the heat-insulating shell (15) is communicated with the furnace gas purification structure through a pipe section.
4. The melting furnace for the wrought aluminum alloy melt of claim 3, wherein: the burner gas purification structure comprises a purification outer cylinder (17) communicated with a gas outlet of the heat preservation shell (15), two symmetrical titanium dioxide purification plates (27) are arranged inside the purification outer cylinder (17), and a chimney (28) is fixedly arranged at one end of the purification outer cylinder (17).
5. The melting furnace for a regenerated wrought aluminum alloy melt according to claim 1, characterized in that: the sliding structure is including setting up slip spacing groove (29) in graphite furnace wall (20) inside both sides, two the equal sliding connection in inside of slip spacing groove (29) has cooperation strip (30), two cooperation strip (30) set up respectively in the both sides of crucible (18), the both sides on crucible (18) top are all fixed and are equipped with thermal-insulated handle (31).
6. The melting furnace for a regenerated wrought aluminum alloy melt according to claim 1, characterized in that: one side of the top end of the sealing furnace cover (11) is inserted with an inclined material pipe (13), one end of the inclined material pipe (13) is fixedly provided with a hopper (12), and the inside of the hopper (12) is movably connected with a ceramic heat insulation plate (32) through a return spring (33).
7. The melting furnace for a regenerated wrought aluminum alloy melt according to claim 1, characterized in that: the furnace is characterized in that a connecting arm support (10) is installed at the top end of the sealing furnace cover (11), a lifting oil cylinder (9) is fixedly arranged at one end of the connecting arm support (10), the lifting oil cylinder (9) is fixedly connected with one side of the melting furnace body (1), and the lifting oil cylinder (9) is electrically connected with an external power supply.
8. The melting furnace for the wrought aluminum alloy melt of claim 2, wherein: the bottom end of the crucible (18) is correspondingly connected with the burner (8) through a heat conducting plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011446459.6A CN112665384A (en) | 2020-12-11 | 2020-12-11 | Melting furnace for regenerated wrought aluminum alloy melt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011446459.6A CN112665384A (en) | 2020-12-11 | 2020-12-11 | Melting furnace for regenerated wrought aluminum alloy melt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112665384A true CN112665384A (en) | 2021-04-16 |
Family
ID=75402147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011446459.6A Pending CN112665384A (en) | 2020-12-11 | 2020-12-11 | Melting furnace for regenerated wrought aluminum alloy melt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112665384A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1054667A (en) * | 1996-08-13 | 1998-02-24 | Tokyo Gas Co Ltd | Crucible furnace |
| CN205316374U (en) * | 2016-01-19 | 2016-06-15 | 青岛青能苑能源科技有限公司 | Unloading system of biomass briquette fuel boiler |
| CN207907691U (en) * | 2018-02-23 | 2018-09-25 | 陕西国防工业职业技术学院 | A kind of Analysis of Metallic Materials smelting apparatus |
| CN110567267A (en) * | 2019-09-26 | 2019-12-13 | 南通高新工业炉有限公司 | Energy-saving gas crucible furnace for heating combustion air by using flue gas |
| CN210123244U (en) * | 2019-06-24 | 2020-03-03 | 浙江郑氏刀剑有限公司 | Smelting furnace for processing sword |
| CN210533008U (en) * | 2019-09-16 | 2020-05-15 | 宁波东成群利机械有限公司 | Energy-saving dumping furnace |
| CN211946776U (en) * | 2020-01-23 | 2020-11-17 | 江苏圣达石英制品有限公司 | Tungsten-molybdenum crucible of continuous melting furnace for producing quartz glass rod |
-
2020
- 2020-12-11 CN CN202011446459.6A patent/CN112665384A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1054667A (en) * | 1996-08-13 | 1998-02-24 | Tokyo Gas Co Ltd | Crucible furnace |
| CN205316374U (en) * | 2016-01-19 | 2016-06-15 | 青岛青能苑能源科技有限公司 | Unloading system of biomass briquette fuel boiler |
| CN207907691U (en) * | 2018-02-23 | 2018-09-25 | 陕西国防工业职业技术学院 | A kind of Analysis of Metallic Materials smelting apparatus |
| CN210123244U (en) * | 2019-06-24 | 2020-03-03 | 浙江郑氏刀剑有限公司 | Smelting furnace for processing sword |
| CN210533008U (en) * | 2019-09-16 | 2020-05-15 | 宁波东成群利机械有限公司 | Energy-saving dumping furnace |
| CN110567267A (en) * | 2019-09-26 | 2019-12-13 | 南通高新工业炉有限公司 | Energy-saving gas crucible furnace for heating combustion air by using flue gas |
| CN211946776U (en) * | 2020-01-23 | 2020-11-17 | 江苏圣达石英制品有限公司 | Tungsten-molybdenum crucible of continuous melting furnace for producing quartz glass rod |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112803108A (en) | Battery pack protection device for new energy automobile and new energy automobile battery | |
| CN201724547U (en) | Heat-accumulation lead melting furnace | |
| CN112665384A (en) | Melting furnace for regenerated wrought aluminum alloy melt | |
| CN208296639U (en) | Combustion chamber Quick temperature adjustment | |
| CN214612655U (en) | Heat treatment furnace that security performance is high | |
| CN202868782U (en) | Afterheat reversing energy-saving furnace | |
| CN203595274U (en) | Three-section heat exchange type air heating furnace | |
| CN102114533A (en) | Heat accumulating type baking device of tundish | |
| CN218210705U (en) | Energy-saving gas crucible furnace | |
| CN213067067U (en) | Cleaning-saving aluminum dissolution heat preservation furnace | |
| CN212299418U (en) | Hot-blast stove device | |
| CN213208612U (en) | Energy-saving aluminum melting furnace heat exchanger | |
| CN214370929U (en) | Internal circulation type combustion furnace with heat preservation function | |
| CN215411956U (en) | Combustion-supporting air preheating device of biomass gasification furnace | |
| CN218295691U (en) | Gas type high-efficiency steam generator | |
| CN219693286U (en) | Tilting grate flue water cooling device | |
| CN221036743U (en) | Low-burning loss energy-saving aluminum melting furnace | |
| CN215524154U (en) | Energy-saving gas type crucible furnace | |
| CN214536830U (en) | Vacuum vertical environment-friendly coal-fired boiler | |
| CN212227706U (en) | Environment-friendly smelting furnace | |
| CN214038965U (en) | Biomass fuel boiler | |
| CN212620174U (en) | A bell-type annealing furnace waste heat recovery utilizes system for titanium carbide production and processing | |
| CN218627277U (en) | Air-cooled furnace arch hot-blast stove | |
| CN215559827U (en) | Automatic temperature control system for glass fiber kiln passage | |
| CN219368325U (en) | Vertical heating furnace with heat exchange equipment |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210416 |
|
| RJ01 | Rejection of invention patent application after publication |