CN111687228A - Waste heat recovery device for profile extrusion line - Google Patents
Waste heat recovery device for profile extrusion line Download PDFInfo
- Publication number
- CN111687228A CN111687228A CN202010458606.5A CN202010458606A CN111687228A CN 111687228 A CN111687228 A CN 111687228A CN 202010458606 A CN202010458606 A CN 202010458606A CN 111687228 A CN111687228 A CN 111687228A
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- China
- Prior art keywords
- preheating
- accommodating cavity
- profile
- heat recovery
- section
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/21—Presses specially adapted for extruding metal
- B21C23/212—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C29/00—Cooling or heating extruded work or parts of the extrusion press
- B21C29/003—Cooling or heating of work
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a waste heat recovery device for a profile extrusion line, which comprises a first fan, a heat exchanger, a profile accommodating cavity and a heat recovery air channel, wherein the first fan is arranged on the first fan; the first fan is positioned above the profile accommodating cavity, the heat exchanger is positioned between the profile accommodating cavity and the first fan, a profile support is arranged in the profile accommodating cavity, and air in the profile accommodating cavity forms circular flow through the heat exchanger by the heat recovery air duct under the action of the first fan; the preheating device comprises a second fan, a radiator, a preheating profile accommodating cavity and a preheating air duct; the second fan is positioned above the preheating profile accommodating cavity, the heat exchanger is positioned between the preheating profile accommodating cavity and the second fan, the preheating profile accommodating cavity is internally provided with a preheating profile support, the preheating air channel enables air in the preheating profile accommodating cavity to form circular flow through the heat exchanger under the action of the second fan, the heat recovery device is positioned at the outlet end of the profile extrusion device, the preheating device is positioned at the inlet end of the profile extrusion device, and the heat exchanger is communicated with the radiator.
Description
Technical Field
The invention belongs to the technical field of profile extrusion equipment, and particularly relates to a waste heat recovery device for a profile extrusion line.
Background
The aluminum profile is extruded into a long-strip-shaped profile structure through an extruder, and the extruder is provided with a die. The aluminum profile die is divided into an upper die and a lower die (also called a male die and a female die), and after the upper die and the lower die are matched, an aluminum bar is extruded through an extruder to pass through the die to obtain the aluminum profile with a required structure; the profile is often heated during the extrusion molding process, so as to facilitate the later molding, but the molded profile needs to be cooled after the molding is finished, so that the next process can be performed.
The existing production process is that the formed section is transferred to an extruder and then naturally cooled, so that a great deal of energy is wasted, and the energy consumption is greatly increased.
Disclosure of Invention
The invention aims to provide a waste heat recovery device for a profile extrusion line, which aims to solve the technical problems in the background art.
In order to solve the technical problem, the invention aims to realize that:
a waste heat recovery device for a profile extrusion line is used for recovering and recycling heat generated by the profile extrusion device, and comprises
The heat recovery device comprises a first fan, a heat exchanger, a section accommodating cavity and a heat recovery air channel; the first fan is positioned above the section accommodating cavity, the heat exchanger is positioned between the section accommodating cavity and the first fan, a section support is arranged in the section accommodating cavity, and the heat recovery air duct enables air in the section accommodating cavity to form circular flow through the heat exchanger under the action of the first fan;
a preheating device; the preheating device comprises a second fan, a radiator, a preheating profile accommodating cavity and a preheating air duct; the second fan is located above the preheating profile accommodating cavity, the heat exchanger is located between the preheating profile accommodating cavity and the second fan, a preheating profile support is arranged in the preheating profile accommodating cavity, and the preheating air channel enables air in the preheating profile accommodating cavity to form circulating flow through the heat exchanger under the action of the second fan.
The heat recovery device is positioned at the outlet end of the section extrusion device, the preheating device is positioned at the inlet end of the section extrusion device, and the heat exchanger is communicated with the radiator.
On the basis of the above scheme and as a preferable scheme of the scheme: the heat exchanger and the radiator are directly provided with circulating pumps, and the circulating pumps force heat-conducting media in the heat exchanger and the radiator to circularly flow.
On the basis of the above scheme and as a preferable scheme of the scheme: the heat recovery air duct is formed by enclosing a shell of the heat recovery device and the side wall of the section accommodating cavity.
On the basis of the above scheme and as a preferable scheme of the scheme: the preheating air duct is formed by enclosing a shell of the preheating device and the side wall of the preheating section accommodating cavity.
On the basis of the above scheme and as a preferable scheme of the scheme: and the section bar bracket is uniformly distributed with porous air channels.
On the basis of the above scheme and as a preferable scheme of the scheme: and the preheating section bar bracket is uniformly distributed with porous air channels.
On the basis of the above scheme and as a preferable scheme of the scheme: the heat exchanger is fixedly arranged at the upper opening of the section accommodating cavity, an air inlet is formed in the side wall of the section accommodating cavity and is positioned below the section support, and the air inlet is communicated with the heat recovery air channel.
On the basis of the above scheme and as a preferable scheme of the scheme: the radiator is fixedly arranged at the upper opening of the preheating section accommodating cavity, an air outlet is formed in the side wall of the preheating section accommodating cavity and is positioned below the preheating section support, and the air outlet is communicated with the preheating air duct.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that: 1. the heat recovery device can recover heat generated in the production process of the extruder and then lead to the preheating device to preheat the bar to be input into the extruder, so that energy consumption required by the extruder for heating the bar is reduced.
Drawings
FIG. 1 is a schematic view of an extrusion line configuration;
FIG. 2 is a schematic view of a heat recovery device;
FIG. 3 is a schematic view of the preheating device.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step, based on the given embodiments, fall within the scope of protection of the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
A waste heat recovery device for a profile extrusion line is used for recovering and recycling heat generated by the profile extrusion device, and comprises
The heat recovery device 1 comprises a first fan motor 12, a first fan impeller 13, a heat exchanger 14, a section accommodating cavity 18 and a heat recovery air duct 17, wherein the first fan motor is connected with the heat recovery air duct 1; the first fan motor 12 and the first fan impeller 13 are located above the profile accommodating cavity 18, the heat exchanger 14 is located between the profile accommodating cavity 18 and the first fan impeller 13, a profile support 16 is arranged in the profile accommodating cavity 18, and under the action of the first fan motor 12 driving the first fan impeller 13 to rotate at a high speed, air in the profile accommodating cavity 18 forms a circulating flow through the heat recovery air duct and the heat exchanger 14; specifically, the heat recovery air duct 17 is formed by enclosing the casing 11 of the heat recovery device and the side wall of the section accommodating cavity 18, the heat exchanger 14 is fixedly arranged at the upper opening of the section accommodating cavity 18, an air inlet 171 is arranged on the side wall of the section accommodating cavity and below the section support 16, and the air inlet 171 is communicated with the heat recovery air duct 17. Preferably, the profile support 16 is evenly provided with hole-shaped air ducts, which allow air to uniformly reach the surface of the profile.
A preheating device 2; the preheating device comprises a second fan motor 22, a second fan impeller 23, a radiator 24, a preheating profile accommodating cavity 28 and a preheating air duct 27; the second fan motor 22 and the second fan impeller 23 are located above the preheating profile accommodating chamber 28, the heat exchanger 24 is located between the preheating profile accommodating chamber 28 and the second fan impeller 23, a preheating profile support 26 is arranged in the preheating profile accommodating chamber 28, and the second fan motor 22 drives the second fan impeller 23 to rotate at a high speed to generate directional movement of air, so that the air in the preheating profile accommodating chamber 28 forms a circulating flow through the preheating air duct 27 and the heat exchanger 24. The heat radiator 24 is fixedly arranged at the upper opening of the preheating profile accommodating cavity 28, an air outlet 271 is arranged on the side wall of the preheating profile accommodating cavity 28 and below the preheating profile support, and the air outlet 271 is communicated with the preheating air duct 27. The preheating air duct 27 is preferably enclosed by the housing 11 of the preheating device and the side wall of the preheating profile accommodating chamber 28. Preferably, the pre-heating profile support 26 is provided with a plurality of hole-shaped air channels uniformly distributed on the surface of the profile, and the hole-shaped air channels enable air to reach the surface of the profile uniformly.
The heat recovery device 1 is located at an outlet end of the profile extrusion device, the preheating device 2 is located at an inlet end of the profile extrusion device, the heat exchanger 14 is communicated with the radiator 24 through a pipeline, circulating pumps are arranged in the pipelines of the heat exchanger 14 and the radiator 24, and the circulating pumps force heat-conducting media in the heat exchanger 14 and the radiator 24 to flow circularly.
Because the section bar formed by the extruder is placed on the section bar bracket 16, the section bar has higher temperature, the air in the section bar accommodating cavity can be heated, because the first fan motor 12 drives the first fan impeller 13 to rotate at high speed, the air in the section bar accommodating cavity forms directional flow, the heated air moves upwards and then enters the section bar accommodating cavity through the heat recovery air duct 17 and the air inlet 171, and flows through the surface of the section bar through the section bar bracket 16, so that the heat emitted by the section bar is continuously absorbed, and the heat conducting medium in the heat exchanger 14 can be heated when the air absorbing the heat flows through the heat exchanger 14, thereby realizing the heat recovery; the heated heat-conducting medium enters the radiator through the pipeline under the action of the circulating pump, so that air around the radiator is heated, and the heated hot air is blown to the surface of the bar 4 to be heated under the action of the first fan motor 12 and the first fan impeller 13, so that the bar is heated, and therefore the bar is preheated.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a section bar is waste heat recovery device for extrusion line for the heat that produces the section bar extrusion device is retrieved and is recycled, its characterized in that: comprises that
The heat recovery device comprises a first fan, a heat exchanger, a section accommodating cavity and a heat recovery air channel; the first fan is positioned above the section accommodating cavity, the heat exchanger is positioned between the section accommodating cavity and the first fan, a section support is arranged in the section accommodating cavity, and the heat recovery air duct enables air in the section accommodating cavity to form circular flow through the heat exchanger under the action of the first fan;
a preheating device; the preheating device comprises a second fan, a radiator, a preheating profile accommodating cavity and a preheating air duct; the second fan is located above the preheating profile accommodating cavity, the heat exchanger is located between the preheating profile accommodating cavity and the second fan, a preheating profile support is arranged in the preheating profile accommodating cavity, and the preheating air channel enables air in the preheating profile accommodating cavity to form circulating flow through the heat exchanger under the action of the second fan.
The heat recovery device is positioned at the outlet end of the section extrusion device, the preheating device is positioned at the inlet end of the section extrusion device, and the heat exchanger is communicated with the radiator.
2. The waste heat recovery device for the profile extrusion line according to claim 1, wherein: the heat exchanger and the radiator are directly provided with circulating pumps, and the circulating pumps force heat-conducting media in the heat exchanger and the radiator to circularly flow.
3. The waste heat recovery device for the profile extrusion line according to claim 1, wherein: the heat recovery air duct is formed by enclosing a shell of the heat recovery device and the side wall of the section accommodating cavity.
4. The waste heat recovery device for the profile extrusion line according to claim 1, wherein: the preheating air duct is formed by enclosing a shell of the preheating device and the side wall of the preheating section accommodating cavity.
5. The waste heat recovery device for the profile extrusion line according to claim 1, wherein: and the section bar bracket is uniformly distributed with porous air channels.
6. The waste heat recovery device for the profile extrusion line according to claim 1, wherein: and the preheating section bar bracket is uniformly distributed with porous air channels.
7. The waste heat recovery device for the profile extrusion line according to claim 1, wherein: the heat exchanger is fixedly arranged at the upper opening of the section accommodating cavity, an air inlet is formed in the side wall of the section accommodating cavity and is positioned below the section support, and the air inlet is communicated with the heat recovery air channel.
8. The waste heat recovery device for the profile extrusion line according to claim 1, wherein: the radiator is fixedly arranged at the upper opening of the preheating section accommodating cavity, an air outlet is formed in the side wall of the preheating section accommodating cavity and is positioned below the preheating section support, and the air outlet is communicated with the preheating air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010458606.5A CN111687228A (en) | 2020-05-27 | 2020-05-27 | Waste heat recovery device for profile extrusion line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010458606.5A CN111687228A (en) | 2020-05-27 | 2020-05-27 | Waste heat recovery device for profile extrusion line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111687228A true CN111687228A (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010458606.5A Pending CN111687228A (en) | 2020-05-27 | 2020-05-27 | Waste heat recovery device for profile extrusion line |
Country Status (1)
| Country | Link |
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| CN (1) | CN111687228A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119353950A (en) * | 2024-10-23 | 2025-01-24 | 广州中冶迈克机电有限公司 | A device and method for recovering waste heat from rolled metal materials |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6365060A (en) * | 1986-09-05 | 1988-03-23 | Kobe Steel Ltd | Method for preheating aluminum and aluminum alloy slab in direct firing type slab heating furnace |
| JPH0853740A (en) * | 1994-08-09 | 1996-02-27 | Toyama Keikinzoku Kogyo Kk | Heat treatment furnace for aluminum alloy extruded section and heat treatment |
| CN204295993U (en) * | 2014-12-13 | 2015-04-29 | 四川清川管业有限公司 | The heat recovery of plastic pipe production line and control system |
| CN208230554U (en) * | 2018-05-28 | 2018-12-14 | 广州聚散流沙科技有限公司 | A kind of aluminum section extruder |
| CN210481457U (en) * | 2019-07-31 | 2020-05-08 | 大连传森科技有限公司 | Aluminum profile aging furnace system with waste heat recovery energy storage type air heater |
-
2020
- 2020-05-27 CN CN202010458606.5A patent/CN111687228A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6365060A (en) * | 1986-09-05 | 1988-03-23 | Kobe Steel Ltd | Method for preheating aluminum and aluminum alloy slab in direct firing type slab heating furnace |
| JPH0853740A (en) * | 1994-08-09 | 1996-02-27 | Toyama Keikinzoku Kogyo Kk | Heat treatment furnace for aluminum alloy extruded section and heat treatment |
| CN204295993U (en) * | 2014-12-13 | 2015-04-29 | 四川清川管业有限公司 | The heat recovery of plastic pipe production line and control system |
| CN208230554U (en) * | 2018-05-28 | 2018-12-14 | 广州聚散流沙科技有限公司 | A kind of aluminum section extruder |
| CN210481457U (en) * | 2019-07-31 | 2020-05-08 | 大连传森科技有限公司 | Aluminum profile aging furnace system with waste heat recovery energy storage type air heater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119353950A (en) * | 2024-10-23 | 2025-01-24 | 广州中冶迈克机电有限公司 | A device and method for recovering waste heat from rolled metal materials |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200922 |
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| RJ01 | Rejection of invention patent application after publication |