CN113237352A - Aluminum alloy smelting pot waste heat preheating device - Google Patents
Aluminum alloy smelting pot waste heat preheating device Download PDFInfo
- Publication number
- CN113237352A CN113237352A CN202110554755.6A CN202110554755A CN113237352A CN 113237352 A CN113237352 A CN 113237352A CN 202110554755 A CN202110554755 A CN 202110554755A CN 113237352 A CN113237352 A CN 113237352A
- Authority
- CN
- China
- Prior art keywords
- combustion
- rotary kiln
- aluminum alloy
- pipe
- preheating device
- 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
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 27
- 239000002918 waste heat Substances 0.000 title claims abstract description 25
- 238000003723 Smelting Methods 0.000 title abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 19
- 238000007664 blowing Methods 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 12
- 229910052782 aluminium Inorganic materials 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The application provides an aluminum alloy smelting furnace waste heat preheating device which comprises a rotary kiln, a blowing pipe and a spiral conveyer, wherein one end of the blowing pipe is connected with a tail gas port of a furnace body, the other end of the blowing pipe is connected with an output end of the rotary kiln, an input end of the rotary kiln is connected with an exhaust fan, the exhaust fan discharges gas in the rotary kiln from the output end of the rotary kiln to the input end of the rotary kiln, the input end of the spiral conveyer is connected with the output end of the rotary kiln, and the output end of the spiral conveyer is connected with a vortex chamber; the combustion-supporting furnace further comprises a combustion-supporting pipe, wherein one end of the combustion-supporting pipe is connected with the vortex chamber, and the other end of the combustion-supporting pipe is connected with a burner of the furnace body; the combustion-supporting pipe is connected with a combustion-supporting fan, and the combustion-supporting fan blows gas in the combustion-supporting pipe from one end close to the vortex chamber to one end close to the burner; the aluminum alloy smelting furnace waste heat preheating device further comprises heat exchange tubes, the heat exchange tubes are sleeved on the blowpipes, gaps are reserved between the inner walls of the heat exchange tubes and the outer walls of the blowpipes, and the heat exchange tubes are connected in series on the combustion-supporting pipes.
Description
Technical Field
The application relates to the technical field of aluminum alloy smelting, in particular to a waste heat preheating device for an aluminum alloy smelting furnace.
Background
The aluminum alloy smelting pot is used for heating and smelting aluminum alloy raw materials, and in the aluminum ingot smelting process, a large amount of high-temperature tail gas can be generated in the smelting pot, and the high-temperature tail gas generated in the smelting pot in the prior art is usually discharged into the atmosphere, so that the energy consumption loss is avoided, and the working environment is polluted.
Disclosure of Invention
The application provides an aluminum alloy smelting pot waste heat preheating device for the high temperature tail gas that produces among the solution prior art among the smelting pot discharges the atmosphere usually, can not obtain recycle, causes the energy consumption loss, and pollutes operational environment's problem.
In order to achieve the above purpose, the embodiments of the present application propose the following technical solutions:
the waste heat preheating device for the aluminum alloy smelting furnace comprises a rotary kiln, a blowing pipe and a spiral conveyer, wherein one end of the blowing pipe is connected with a tail gas port of a furnace body, the other end of the blowing pipe is connected with an output end of the rotary kiln, an input end of the rotary kiln is connected with an exhaust fan, the exhaust fan discharges gas in the rotary kiln from the output end of the rotary kiln to the input end of the rotary kiln, an input end of the spiral conveyer is connected with an output end of the rotary kiln, and an output end of the spiral conveyer is connected with a vortex chamber.
In some embodiments, the aluminum alloy furnace waste heat preheating device further comprises a blanking pipe, one end of the blanking pipe is connected with the output end of the spiral conveyor, and the other end of the blanking pipe is connected with the vortex chamber.
In some embodiments, the aluminum alloy furnace waste heat preheating device further comprises a combustion-supporting pipe, wherein one end of the combustion-supporting pipe is connected with the vortex chamber, and the other end of the combustion-supporting pipe is connected with a burner of a furnace body.
In some embodiments, a combustion-supporting fan is connected to the combustion-supporting pipe, and the combustion-supporting fan blows out gas in the combustion-supporting pipe from one end close to the swirl chamber to one end close to the burner.
In some embodiments, the aluminum alloy furnace waste heat preheating device further comprises a heat exchange tube, the heat exchange tube is sleeved on the blowpipe, a gap is formed between the inner wall of the heat exchange tube and the outer wall of the blowpipe, and the heat exchange tube is connected in series on the combustion-supporting tube.
In some embodiments, a flow deflector is fixedly connected to an inner wall of the heat exchange tube, and the flow deflector is spirally arranged around a central axis of the heat exchange tube.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a waste heat preheating device of an aluminum alloy melting furnace in the embodiment of the application.
Reference numerals:
101. a rotary kiln; 102. a blowpipe; 103. a screw conveyor; 104. an exhaust fan; 105. a blanking pipe; 106. a combustion supporting pipe; 107. a combustion fan; 108. a heat exchange tube; 109. a flow deflector; 110. a furnace body; 111. a tail gas port; 112. burning a nozzle; 113. a vortex chamber.
Detailed Description
Embodiments of the present application will be described in further detail below with reference to the drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
In the embodiments of the present application, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacted with the second feature or indirectly contacted with the second feature through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," "some examples," or "possible implementations" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1, in the embodiment of the present application, there is provided an aluminum alloy melting furnace waste heat preheating device, which includes a rotary kiln 101, a blowing pipe 102 and a screw conveyor 103, wherein one end of the blowing pipe 102 is connected to a tail gas port 111 of a furnace body 110, the other end of the blowing pipe 102 is connected to an output end of the rotary kiln 101, an input end of the rotary kiln 101 is connected to an exhaust fan 104, the exhaust fan 104 exhausts gas in the rotary kiln 101 from the output end of the rotary kiln 101 to the input end of the rotary kiln 101, an input end of the screw conveyor 103 is connected to the output end of the rotary kiln 101, and an output end of the screw conveyor 103 is connected to a vortex chamber 113.
In some embodiments, the aluminum alloy furnace waste heat preheating device further comprises a blanking pipe 105, one end of the blanking pipe 105 is connected with the output end of the screw conveyor 103, and the other end of the blanking pipe 105 is connected with the vortex chamber 113.
In some embodiments, the aluminum alloy furnace waste heat preheating device further comprises a combustion-supporting pipe 106, one end of the combustion-supporting pipe 106 is connected with the vortex chamber 113, and the other end of the combustion-supporting pipe 106 is connected with the burner 112 of the furnace body 110.
In some embodiments, a combustion fan 107 is connected to the combustion supporting pipe 106, and the combustion fan 107 blows the gas in the combustion supporting pipe 106 from one end close to the swirl chamber 113 to one end close to the burner 112.
In some embodiments, the aluminum alloy furnace waste heat preheating device further comprises a heat exchange tube 108, the heat exchange tube 108 is sleeved on the blowpipe 102, a gap is formed between the inner wall of the heat exchange tube 108 and the outer wall of the blowpipe 102, and the heat exchange tube 108 is connected in series on the combustion-supporting pipe 106.
In some embodiments, a baffle 109 is fixedly connected to an inner wall of the heat exchange tube 108, and the baffle 109 is spirally disposed around a central axis of the heat exchange tube 108.
The aluminum alloy melting furnace waste heat preheating device provided by the embodiment, in the working process, the rotary kiln 101 rotates and conveys the aluminum scraps from the input end to the output end, the aluminum scraps continuously roll in the rotary kiln 101 in the conveying process, meanwhile, the exhaust fan 104 exhausts air from the rotary kiln 101 and discharges the air in the rotary kiln 101 outwards, the air pressure in the blowing pipe 102 is reduced, the tail gas of the furnace body 110 is sucked into the blowing pipe 102, the temperature of the tail gas is higher, the tail gas is blown into the rotary kiln 101 along the blowing pipe 102 and flows along the aluminum scrap conveying direction and is fully contacted with the aluminum scraps to conduct heat to the aluminum scraps, the temperature of the aluminum scraps is increased, the air flow rate on the surface of the aluminum scraps is increased, the drying efficiency of the aluminum scraps is improved, the dried and preheated aluminum scraps are discharged from the rotary kiln 101 to the screw conveyor 103 and then conveyed into the blanking pipe 105, and finally fall into the 113 from the blanking pipe 105, and less heat energy is absorbed in the drying and waste heat melting process of the aluminum scraps, and energy consumption is saved. The vortex chamber 113 is located outside the furnace body 110, the aluminum scraps contact with air in the melting process, so the temperature of the air above the vortex chamber 113 is high, the combustion fan 107 sucks the high-temperature air above the vortex chamber 113 into the combustion-supporting pipe 106, the high-temperature air contacts with the outer wall of the exhaust pipe when passing through the heat exchange pipe 108 to realize heat exchange, and the high-temperature air is finally discharged and blown to the burner 112.
The above examples are only for explaining the present application and are not intended to limit the present application, and those skilled in the art can make modifications to the embodiments of the present application without inventive contribution as needed after reading the present specification, but are protected by patent laws within the scope of the claims of the present application.
Claims (6)
1. The aluminum alloy furnace waste heat preheating device is characterized by comprising a rotary kiln (101), a blowing pipe (102) and a spiral conveyer (103), wherein one end of the blowing pipe (102) is connected with a tail gas port (111) of a furnace body (110), the other end of the blowing pipe (102) is connected with the output end of the rotary kiln (101), the input end of the rotary kiln (101) is connected with an exhaust fan (104), the exhaust fan (104) discharges gas in the rotary kiln (101) from the output end of the rotary kiln (101) to the input end of the rotary kiln (101), the input end of the spiral conveyer (103) is connected with the output end of the rotary kiln (101), and the output end of the spiral conveyer (103) is connected with a vortex chamber (113).
2. The aluminum alloy furnace waste heat preheating device according to claim 1, further comprising a blanking pipe (105), wherein one end of the blanking pipe (105) is connected with the output end of the screw conveyor (103), and the other end of the blanking pipe (105) is connected with the vortex chamber (113).
3. The aluminum alloy furnace waste heat preheating device according to claim 1, characterized in that the aluminum alloy furnace waste heat preheating device further comprises a combustion-supporting pipe (106), wherein one end of the combustion-supporting pipe (106) is connected with the vortex chamber (113), and the other end of the combustion-supporting pipe (106) is connected with a burner (112) of the furnace body (110).
4. The aluminum alloy furnace waste heat preheating device according to claim 3, characterized in that a combustion-supporting fan (107) is connected to the combustion-supporting pipe (106), and the combustion-supporting fan (107) blows gas in the combustion-supporting pipe (106) from one end close to the vortex chamber (113) to one end close to the burner (112).
5. The aluminum alloy furnace waste heat preheating device according to claim 4, characterized in that the aluminum alloy furnace waste heat preheating device further comprises heat exchange tubes (108), the heat exchange tubes (108) are sleeved on the blowpipe (102), gaps are formed between the inner walls of the heat exchange tubes (108) and the outer wall of the blowpipe (102), and the heat exchange tubes (108) are connected in series on the combustion-supporting pipe (106).
6. The aluminum alloy furnace waste heat preheating device according to claim 5, characterized in that a flow deflector (109) is fixedly connected to the inner wall of the heat exchange tube (108), and the flow deflector (109) is spirally arranged around the central axis of the heat exchange tube (108).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110554755.6A CN113237352A (en) | 2021-05-21 | 2021-05-21 | Aluminum alloy smelting pot waste heat preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110554755.6A CN113237352A (en) | 2021-05-21 | 2021-05-21 | Aluminum alloy smelting pot waste heat preheating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113237352A true CN113237352A (en) | 2021-08-10 |
Family
ID=77138073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110554755.6A Pending CN113237352A (en) | 2021-05-21 | 2021-05-21 | Aluminum alloy smelting pot waste heat preheating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113237352A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5513207A (en) * | 1995-01-09 | 1996-04-30 | Thermal Kinetic Systems, Inc. | Melting furnace and method |
| JPH11293351A (en) * | 1998-04-14 | 1999-10-26 | Nippon Steel Corp | Preheating and melting of scrap |
| CN202494332U (en) * | 2012-01-17 | 2012-10-17 | 苏州啸波科技有限公司 | Novel energy-saving high-efficiency aluminum scarp melting furnace |
| CN202709733U (en) * | 2012-07-13 | 2013-01-30 | 苏州啸波再生金属设备成套有限公司 | Secondary metal preheating process improvement mode |
| CN203364628U (en) * | 2013-05-16 | 2013-12-25 | 焦作市圣昊铝业有限公司 | Heat recycling device of smelting furnace |
| CN209092984U (en) * | 2018-09-07 | 2019-07-12 | 无锡锦绣轮毂有限公司 | A kind of aluminium skimmings drying gas cleaning integrated treatment furnace |
| CN209276593U (en) * | 2018-11-19 | 2019-08-20 | 苏州中阳热能科技有限公司 | Secondary aluminium melting recovery system |
| CN211012399U (en) * | 2019-11-04 | 2020-07-14 | 浙江万丰科技开发股份有限公司 | Energy-saving aluminum scrap drying rotary kiln |
-
2021
- 2021-05-21 CN CN202110554755.6A patent/CN113237352A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5513207A (en) * | 1995-01-09 | 1996-04-30 | Thermal Kinetic Systems, Inc. | Melting furnace and method |
| JPH11293351A (en) * | 1998-04-14 | 1999-10-26 | Nippon Steel Corp | Preheating and melting of scrap |
| CN202494332U (en) * | 2012-01-17 | 2012-10-17 | 苏州啸波科技有限公司 | Novel energy-saving high-efficiency aluminum scarp melting furnace |
| CN202709733U (en) * | 2012-07-13 | 2013-01-30 | 苏州啸波再生金属设备成套有限公司 | Secondary metal preheating process improvement mode |
| CN203364628U (en) * | 2013-05-16 | 2013-12-25 | 焦作市圣昊铝业有限公司 | Heat recycling device of smelting furnace |
| CN209092984U (en) * | 2018-09-07 | 2019-07-12 | 无锡锦绣轮毂有限公司 | A kind of aluminium skimmings drying gas cleaning integrated treatment furnace |
| CN209276593U (en) * | 2018-11-19 | 2019-08-20 | 苏州中阳热能科技有限公司 | Secondary aluminium melting recovery system |
| CN211012399U (en) * | 2019-11-04 | 2020-07-14 | 浙江万丰科技开发股份有限公司 | Energy-saving aluminum scrap drying rotary kiln |
Non-Patent Citations (1)
| Title |
|---|
| 姜玉敬，吴细华: "《再生铝产业研究与生产技术》", vol. 1, 30 April 2018, 北京：冶金工业出版社, pages: 147 - 149 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107855624A (en) | A kind of net belt type combustion gas soldering oven and power-economizing method | |
| CN105571338B (en) | A kind of system for the tail gas for handling rock wool board assembly line furnace cupola | |
| CN105157401B (en) | A kind of fiberglass products waste gas recovery drying unit | |
| CN113237352A (en) | Aluminum alloy smelting pot waste heat preheating device | |
| CN109539808A (en) | A kind of mineral hot furnace Forced water cooling exhaust gas cleaner | |
| CN212310397U (en) | Quick high-efficient flying dust system of handling of plasma | |
| CN210718620U (en) | Atmosphere protection roller kiln | |
| JP2007105719A (en) | Asbestos melting apparatus | |
| CN210197696U (en) | Split hot-blast stove | |
| PL196002B1 (en) | Exhaust positioned at the downstream end of a glass melting furnace | |
| CN2755530Y (en) | Semi-continuous metallurgical furnace with three chamber | |
| CN212930937U (en) | Concurrent high-temperature rotary roasting furnace with built-in dust removal device | |
| CN106440805A (en) | Oblique bottom furnace | |
| CN216745414U (en) | Device for removing impurities in quartz powder at high temperature | |
| CN206127377U (en) | Old and useless printed circuit board's of resourceful treatment kiln | |
| CN103033064B (en) | Device for recovering waste heat of sintering flue gas | |
| JP2014211243A (en) | Combustion control system for refuse incinerator | |
| CN206440124U (en) | Sloping hearth furnace | |
| CN219223319U (en) | Sintering furnace suitable for ceramic tube shell | |
| CN210568383U (en) | Heat accumulating type coal injection burner | |
| CN217382952U (en) | Plasma gasification melting furnace | |
| CN213090508U (en) | Combustion tower of drying sintering furnace | |
| CN212902816U (en) | Tail gas preheating and utilizing device for mullite production | |
| CN209116782U (en) | High temperature residual gas processing system | |
| CN217329800U (en) | High-temperature melting 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 |