CN111235374A - Energy-saving environment-friendly annealing furnace - Google Patents

Energy-saving environment-friendly annealing furnace Download PDF

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Publication number
CN111235374A
CN111235374A CN202010152853.2A CN202010152853A CN111235374A CN 111235374 A CN111235374 A CN 111235374A CN 202010152853 A CN202010152853 A CN 202010152853A CN 111235374 A CN111235374 A CN 111235374A
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CN
China
Prior art keywords
furnace body
working chamber
guide rail
energy
driving device
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CN202010152853.2A
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Chinese (zh)
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CN111235374B (en
Inventor
谢勇军
潘伟胜
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Quanzhou Baiyang Precision Machinery Manufacturing Co Ltd
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Quanzhou Baiyang Precision Machinery Manufacturing Co Ltd
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Publication of CN111235374A publication Critical patent/CN111235374A/en
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Publication of CN111235374B publication Critical patent/CN111235374B/en
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0056Furnaces through which the charge is moved in a horizontal straight path
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26Methods of annealing
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34Methods of heating

Abstract

The invention relates to the field of metal annealing equipment, in particular to an energy-saving environment-friendly annealing furnace, which mainly solves the problem of poor annealing effect caused by non-uniform temperature distribution of the annealing furnace in the prior art, and comprises a control device, a furnace body and a first driving device arranged on the furnace body, wherein the furnace body is provided with an opening, the opening is provided with a furnace door, the furnace body is internally provided with a heat insulation cover, a working chamber with a certain space is formed in the heat insulation cover, a guide rail is arranged in the working chamber, one end of the heat shield penetrates through the opening and extends outwards, at least two flow channels are arranged between the heat shield and the furnace body side by side along the left-right direction, air holes communicated with the working chamber are arranged at the positions of the flow channels on the heat insulation cover, the upper end of the longitudinal air guide cover is communicated with the flow channels, the first driving device is arranged at the upper part of the furnace body, and the output end of the first driving device penetrates through the heat insulation cover to enter the working chamber and is provided with an axial exhaust fan.

Description

Energy-saving environment-friendly annealing furnace
Technical Field
The invention relates to the field of metal annealing equipment, in particular to an energy-saving and environment-friendly annealing furnace.
Background
Annealing is a metal heat treatment process, which means that metal is slowly heated to a certain temperature, kept for a sufficient time and then cooled at a proper speed so as to reduce the hardness and improve the deep processing performance; the residual stress is eliminated, the size is stabilized, and the deformation and crack tendency is reduced; the grain is refined, the structure is adjusted, the structure defect is eliminated, and the stainless steel product needs to be subjected to an annealing process after cold rolling, so that the structure and the mechanical property are improved. The existing annealing furnace mainly comprises a furnace body, a hearth and heating elements, wherein the hearth is provided with an opening, the furnace body is provided with a furnace door for opening or closing the opening, under the normal condition, the heating elements are arranged on one side surface of the furnace body (except for the other side surfaces provided with the furnace door) for a small-sized annealing furnace, the heating elements are arranged on the other side surfaces except for the side surfaces provided with the furnace door for a medium-sized and large-sized annealing furnace, a product to be processed is placed into the hearth, the inside of the hearth is heated through the heating elements and the temperature in the hearth is maintained for a certain time, and the product is taken out of the hearth; however, the heating element in the furnace heats and emits thermal radiation to directly irradiate on the side surface of the workpiece to be processed, which is opposite to the side surface provided with the heating element, so that the heating is uneven, and the annealing process is influenced.
Chinese patent application No.: 201210242111.4 discloses an annealing furnace, comprising: the furnace body is used for supporting other parts of the annealing furnace, and the front end of the furnace body is provided with a furnace door; the cover body is positioned in the furnace body, and the front end of the cover body is provided with a cover door; the working chamber is positioned in the cover body, and a space for air circulation is formed between the working chamber and the cover body; the heating pipe is arranged in the furnace body and is positioned outside the working chamber; and the bidirectional air inlet axial flow fan is arranged at the rear end in the working chamber, an air inlet opening is formed in the axial direction of the bidirectional air inlet axial flow fan, the bidirectional air inlet axial flow fan is used for sucking air in the working chamber from the front end and the rear end through the air inlet opening, forming air flow with the air and discharging the air flow to the radial outer side, and sending the discharged air flow out along the inner wall of the working chamber. The annealing furnace heats the cover body outside the working chamber by the heating pipes in the temperature rising section and the heat preservation section, and heats the working chamber by the radiant heat of the cover body. The cover body is an annular cavity made of high-temperature-resistant stainless steel, has a good heat conduction effect, can keep good heat uniformity after being heated, the working chamber is positioned in the center of a temperature field formed by heat radiation of the cover body, and two circulating flow paths are formed by the operation of the bidirectional air inlet axial flow fan and the flow guide cover in the working chamber and between the working chamber and the cover body so as to achieve the aim of temperature field balance; however, the balance of the temperature field of the working chamber is that under the condition that the workpiece to be processed is not placed, when the workpiece to be processed is placed in the working chamber for annealing treatment, the following defects exist:
the workpiece to be processed is placed at the lower part of the cover body or suspended in the middle of the working chamber, in the heating process, the region for placing the workpiece to be processed is usually lower than the gas flowing region, so that the cooler gas is reduced, and under the action of the bidirectional air inlet axial flow fan, the flow velocity in the upper region is higher than that in the lower region, so that the temperature is heated unevenly, and the annealing process of the workpiece to be processed is influenced;
the working chamber is heated by heating the cover body and then by heat radiation generated by the cover body, the heating speed is low, the heating time is long, and the annealing temperature is particularly obvious for metal materials which are usually higher than that of glass materials.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides an energy-saving and environment-friendly annealing furnace, which mainly solves the problem of poor annealing effect caused by non-uniform temperature distribution of the annealing furnace in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an energy-saving environment-friendly annealing furnace comprises a control device, a furnace body and a first driving device arranged on the furnace body, wherein an opening is formed in the furnace body, a furnace door is arranged at the opening, a heat insulation cover is arranged in the furnace body, a working chamber with a certain space is formed in the heat insulation cover, a guide rail is arranged in the working chamber, one end of the guide rail penetrates through the opening to extend outwards, the guide rail extends along the conveying direction of the guide rail to form a front-back direction, the guide rail extends vertically and is positioned on the same horizontal plane to form a left-right direction, a conveying trolley is slidably arranged on the guide rail, a second driving device for driving the conveying trolley to move along the guide rail is arranged on the furnace body, a heating pipe is arranged on the lower side of the guide rail in the working chamber, and air guide devices are respectively arranged on the left side wall and the right side wall, the air guide device comprises a transverse air guide cover which is arranged on the heat insulation cover and distributed along the front-back direction and a longitudinal air guide cover which is distributed along the up-down direction, the lower end of the longitudinal air guide hood is communicated with the transverse air guide hood, the transverse air guide hood is provided with a plurality of air permeable grooves along the front and back directions, the height dimension of the ventilation groove and the heating pipe is not more than that of the guide rail and the heating pipe, at least two flow channels are arranged between the heat shield and the furnace body side by side along the left and right direction, air holes communicated with the working chamber are arranged at the positions of the flow channels on the heat insulation cover, the upper end of the longitudinal air guide cover is communicated with the flow channels, the first driving device is arranged at the upper part of the furnace body, the output end of the first driving device passes through the heat insulation cover to enter the working chamber and is provided with an axial exhaust fan, the first driving device, the second driving device and the heating pipe distribution are electrically connected with the control device.
Furthermore, first drive arrangement is including locating the first driving motor on the furnace body, furnace body and heat shield are last to be located first driving motor's pivot department and are equipped with a through-hole, the axial exhaust fan is located first driving motor's pivot and is located this through-hole department.
Further, the axial exhaust fan includes the axle sleeve and installs the overcoat on the through-hole inside wall, encircles the concave ring channel that is equipped with in middle part of overcoat, the embedded adapter sleeve that is equipped with of ring channel, adapter sleeve and overcoat sliding connection, be connected on axle sleeve and the adapter sleeve and be equipped with at least three blade.
Furthermore, the connecting position of each blade and the connecting sleeve inclines towards the upper end of the shaft sleeve, and the included angle between the central axis of the blade at the two ends connected with the shaft sleeve and the connecting sleeve and the diameter of the shaft sleeve is 5-30 degrees.
Furthermore, the width dimension of each blade gradually increases from the shaft sleeve to the extending direction of the connecting sleeve.
Furthermore, planes formed on two sides of each blade in the width direction are obliquely arranged with the cross section of the shaft sleeve, and the included angle is 15-45 degrees.
Furthermore, the through hole is communicated with the flow channel, a communication hole is arranged on the outer sleeve in a surrounding mode and communicated with the flow channel, and the communication hole is arranged on the upper side of the blade.
Furthermore, a filter screen is arranged at the upper end of the outer sleeve.
Furthermore, the second driving device comprises a second driving motor and a speed reducer connected with the second driving motor, the output end of the speed reducer is connected with a rope disc, a pull rope is wound on the rope disc, and the other end of the pull rope is connected with the conveying trolley.
By adopting the technical scheme, the invention has the beneficial effects that: the energy-saving environment-friendly annealing furnace is characterized in that a conveying trolley and a workpiece to be processed on a trolley are conveyed into a working chamber along a guide rail by a second driving device, when the working chamber is heated and kept warm, air in the region is heated by a heating pipe and then is higher than other regions, and then hot air rises, the rising hot air is pressed downwards under the action of downward axial air flow formed by driving an axial exhaust fan by a first driving device, so that the hot air formed by the heating pipe is pushed downwards by the axial downward air flow to be discharged to air vent grooves on transverse air guide covers on the left side and the right side, flows to flow through a longitudinal air guide cover and air vents at a flow passage, is discharged from the top to the bottom from air vents at the flow passage, is driven by air flow generated by the axial exhaust fan, is pressed downwards into the workpiece to be processed to be heated, and forms double-circulation flow in the working chamber, the flow of drive hot-air, and the hot-air that drives through the axial exhaust fan flows from the top down and flows after striking the diapire behind the rebound gas and the heating pipe heating flows from the net down, meet in the place of treating the processing work piece, the heating of processing the work piece is treated in the formation, make the temperature distribution homogeneity in the studio good, can make each treat the heating of processing the work piece even, improve annealing process effect, and heating efficiency is high, the rate of heating is fast, simultaneously sealed heat preservation is effectual, the heat preservation time is long, greatly reduced energy consumption, play energy-concerving and environment-protective effect.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present invention;
FIG. 2 is a schematic left-side view of the furnace body and the heat shield in the embodiment of the present invention;
FIG. 3 is a schematic diagram of the distribution structure of through holes and flow channels in an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of an axial exhaust fan according to an embodiment of the present invention;
FIG. 5 is a schematic top view of an axial exhaust fan according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the distribution structure of the outer casing and the blades of the axial exhaust fan according to the embodiment of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
The embodiment of the invention is as follows:
referring to fig. 1 to 6, an energy-saving and environment-friendly annealing furnace comprises a control device, a furnace body 1 and a first driving device arranged on the furnace body 1, wherein the furnace body 1 is provided with an opening 2, a furnace door is arranged at the opening 2, a heat insulation cover 3 is arranged in the furnace body 1, heat insulation materials such as heat insulation cotton, asbestos or glass fiber are filled between the heat insulation cover 3 and the furnace body 1, so that the heat insulation effect is further improved, the heat insulation effect in the furnace body 1 is good, the heat insulation time is prolonged, the heat loss is reduced, the energy loss is greatly reduced, the heat insulation cover 3 is formed by splicing plate-shaped materials with smooth surfaces and reflecting heat radiation, such as a vacuum plate, the generated heat radiation can be transmitted to a workpiece to be processed, the heating speed of the workpiece to be processed is improved, a working chamber 4 with a certain space is formed in the heat insulation cover 3, and a guide rail 5 is, one end of the furnace body passes through the opening 2 to extend outwards, the conveying direction extending along the guide rail 5 is defined as the front-back direction, the conveying direction extending perpendicular to the front-back direction and located on the same horizontal plane is defined as the left-right direction, the plane perpendicular direction extending perpendicular to the front-back direction and the left-right direction is defined as the up-down direction, the guide rail 5 is slidably provided with the conveying trolley 6, the bottom and the side wall of the conveying trolley 6 are arranged in a grid shape to form gas flow, when a metal workpiece to be processed such as a dead weight wheel is stacked and in the conveying trolley, good gas fluidity can be formed, conditions are provided in the subsequent hot air circulating flow, the furnace body 1 is provided with a second driving device for driving the conveying trolley 6 to move along the guide rail 5, the second driving device comprises a second driving motor 7 and a speed reducer 8 connected with the second driving motor, the output end of the speed reducer 8, the rope reel 9 is wound with a pull rope 10, the outer end of the guide rail 5 is provided with a guide wheel 11, the inner end of the guide wheel is also provided with a guide wheel 12, the pull rope 10 bypasses the guide wheel 11 at the outer end to be connected with the conveying trolley 6 so as to pull the conveying trolley 6 outwards, the pull rope 10 bypasses the guide wheel 12 at the inner end to be connected with the other end of the conveying trolley 6 so as to pull the conveying trolley 6 into the working chamber 4, so that automatic conveying is realized, manual side conveying is reduced, the damage to workers in the cooling process in annealing is avoided, a heating pipe 13 is arranged at the lower side of the guide rail 5 in the working chamber 4, air guide devices are respectively arranged on the left side wall and the right side wall of the heat insulation cover 3 in the working chamber 4, each air guide device comprises a transverse air guide cover 14 arranged on the heat insulation cover 3 and distributed along the front-back direction and a longitudinal air guide cover 15 distributed along the up-down direction, the lower end of, the transverse air guide cover 14 is provided with five air permeable grooves 16 along the front and back direction, the height sizes of the air permeable grooves 16 and the heating pipes 13 are not larger than the height sizes of the guide rails 5 and the heating pipes 13, the preferred height sizes of the middle parts of the air permeable grooves 16 and the heating pipes 13 are equal to the height sizes of the guide rails 5 and the heating pipes 13, two flow passages 17 are arranged between the heat insulation cover 3 and the furnace body 1 in parallel along the left and right direction and respectively correspond to the right upper part of the conveying trolley 6, air holes 18 communicated with the working chamber 4 are arranged at the positions of the flow passages 17 on the heat insulation cover 3, hot air can directly correspond to workpieces to be processed in the conveying trolley 6 after being discharged from the air holes 18, good heating effect and heating uniformity are realized, the upper end of the longitudinal air guide cover 15 is communicated with the flow passages 17, of course, the transverse air guide cover 14 and the longitudinal air guide cover 15 protrude outwards, and the thickness of the, the separately heating of treating the processing work piece in realizing two transport trolley 6 forms the circulation of independent hot-air and flows, reduces the vortex phenomenon for the mobility of air is good, and the homogeneity is good, first drive arrangement locates the upper portion of furnace body 1, first drive arrangement is first driving motor 19, passes through thermal-insulated cover 3 through the pivot of first driving motor 19 and enters into studio 4 and be equipped with axial exhaust fan 20, and axial exhaust fan 20 distributes and in studio 4 this moment, and is located the downside of thermal-insulated cover 3, and it still can form the axial pushing action of the convection current, forms better hot-air circulation flow effect.
Of course, the preferred mode is that the first driving device includes the first driving motor 19 arranged on the furnace body 1, the rotating shaft of the first driving motor 19 on the furnace body 1 and the heat shield 3 is provided with a through hole 21, the axial exhaust fan 20 is arranged on the rotating shaft of the first driving motor 19 and is arranged at the through hole 21, the airflow formed by the rotation of the axial exhaust fan 20 can form better concentration action under the action of the through hole 21, so that the flow rate of the gas is enhanced, the pressure in the region is reduced, and the air is favorably gathered to form good air flowability, especially, the axial exhaust fan 20 includes a shaft sleeve 201 and an outer sleeve 202 arranged on the inner side wall of the through hole 21, an annular groove is arranged around the middle part of the outer sleeve 202, a connecting sleeve 203 is embedded in the annular groove, the connecting sleeve 203 is slidably connected with the outer sleeve, and five blades 204 are arranged on the shaft sleeve 201 and the connecting sleeve 203, the blades 204 are enabled to have good rotation stability and prevented from axially swinging, the connecting position of each blade 204 and the connecting sleeve 203 inclines towards the upper end position of the shaft sleeve 201, the included angle between the central axes of the two ends of the blade 204, which are connected with the shaft sleeve 201 and the connecting sleeve 203, and the diameter of the shaft sleeve 201 is 5-30 degrees, preferably 15 degrees, the width size of each blade 204 gradually increases from the shaft sleeve 201 to the extending direction of the connecting sleeve, the plane formed by the two sides of the width direction of each blade 204 is obliquely arranged with the cross section of the shaft sleeve 201, the included angle is 15-45 degrees, preferably 23 degrees, so that the axial exhaust effect of the axial exhaust fan 20 is good, the through hole 21 is communicated with the flow channel 17, the communicating hole 21 is arranged around the outer sleeve 202 and communicated with the flow channel 17, the communicating hole 17 is arranged at the upper side of the blade 204, and in, the hot-air that drives in the flow channel 17 inhales through-hole 21 department and the discharge of rethread axial exhaust fan 20, increases its outside driving force, is favorable to penetrating the work piece of treating in the transport trolley 6, the upper end of overcoat 202 is equipped with filter screen 23 for through the gas process filtration of axial exhaust fan 20 follow outside inspiration, increase gaseous purity, reduce the pollution degree in the studio 4, first driving motor 19, second driving motor 7 and heating pipe 13 distribute and are connected with the controlling means electricity.
The working mode of the invention is as follows: the energy-saving environment-friendly annealing furnace is characterized in that a second driving device drives a conveying trolley 6 and workpieces to be processed on the trolley to be conveyed into a working chamber 4 along a guide rail, when the working chamber 4 is heated and kept warm, the air in the region is heated by a heating pipe 13 and then is higher than other regions, and then the hot air rises, the rising hot air is pressed downwards under the action of downward axial wind flow formed by driving an axial exhaust fan 20 to rotate by a first driving device, so that the hot air formed by the heating pipe 13 is pushed downwards by the axial downward wind flow to be discharged to ventilating grooves 16 on transverse air guide hoods 14 at the left side and the right side, flows through a longitudinal air guide hood 15 and a circulating fan 17, is discharged from the top to the bottom from air holes 18 at the position of a circulating channel 17, and is pressed downwards into the workpieces to be processed to be heated under the driving of the air flow generated by the axial exhaust fan 20, form the dual cycle through the studio 4 and flow, drive the flow of hot-air, and the hot-air that drives through axial exhaust fan 20 flows from the top down and after flowing downwards strikes the gaseous and the hot-air that heating pipe 13 heated of rebound behind the diapire flows from the net down, meet in the place of treating the processing work piece, form the heating of treating the processing work piece, make the temperature distribution homogeneity in the studio 4 good, can make each treat the heating of processing work piece even, improve annealing process effect, and the heating efficiency is high, the rate of heating piece is fast, simultaneously sealed heat preservation is effectual, the heat preservation time is long, greatly reduced the energy resource consumption, play energy-concerving and environment-protective effect.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. An energy-saving environment-friendly annealing furnace is characterized in that: the furnace comprises a control device, a furnace body and a first driving device arranged on the furnace body, wherein an opening is formed in the furnace body, a furnace door is arranged at the opening, a heat insulation cover is arranged in the furnace body, a working chamber with a certain space is formed in the heat insulation cover, a guide rail is arranged in the working chamber, one end of the guide rail penetrates through the opening to extend outwards, the guide rail extends along the conveying direction of the guide rail to form a front-back direction, the guide rail extends vertically to form a left-right direction, the guide rail extends vertically to form a plane perpendicular to the front-back direction and the left-right direction, a conveying trolley is slidably arranged on the guide rail, a second driving device for driving the conveying trolley to move along the guide rail is arranged on the furnace body, a heating pipe is arranged on the lower side of the guide rail in the working chamber, and air guide, the air guide device comprises a transverse air guide cover which is arranged on the heat insulation cover and distributed along the front-back direction and a longitudinal air guide cover which is distributed along the up-down direction, the lower end of the longitudinal air guide hood is communicated with the transverse air guide hood, the transverse air guide hood is provided with a plurality of air permeable grooves along the front and back directions, the height dimension of the ventilation groove and the heating pipe is not more than that of the guide rail and the heating pipe, at least two flow channels are arranged between the heat shield and the furnace body side by side along the left and right direction, air holes communicated with the working chamber are arranged at the positions of the flow channels on the heat insulation cover, the upper end of the longitudinal air guide cover is communicated with the flow channels, the first driving device is arranged at the upper part of the furnace body, the output end of the first driving device passes through the heat insulation cover to enter the working chamber and is provided with an axial exhaust fan, the first driving device, the second driving device and the heating pipe distribution are electrically connected with the control device.
2. The energy-saving and environment-friendly annealing furnace according to claim 1, characterized in that: the first driving device comprises a first driving motor arranged on the furnace body, a through hole is formed in the rotating shaft of the first driving motor on the furnace body and the heat shield, and the axial exhaust fan is arranged on the rotating shaft of the first driving motor and located at the through hole.
3. The energy-saving and environment-friendly annealing furnace according to claim 2, characterized in that: the axial exhaust fan comprises a shaft sleeve and a jacket arranged on the inner side wall of the through hole, the jacket surrounds the middle part of the jacket, an annular groove is concavely arranged in the middle part of the jacket, a connecting sleeve is embedded in the annular groove and is slidably connected with the jacket, and at least three blades are connected to the shaft sleeve and the connecting sleeve.
4. The energy-saving and environment-friendly annealing furnace according to claim 3, characterized in that: the connecting position of each blade and the connecting sleeve inclines towards the upper end of the shaft sleeve, and the included angle between the central axis of the two ends of the blade, which is connected with the shaft sleeve and the connecting sleeve, and the diameter of the shaft sleeve is 5-30 degrees.
5. The energy-saving and environment-friendly annealing furnace according to claim 4, characterized in that: the width dimension of each blade gradually increases from the shaft sleeve to the extending direction of the connecting sleeve.
6. The energy-saving and environment-friendly annealing furnace according to claim 5, characterized in that: the plane formed by the two sides of each blade in the width direction is obliquely arranged with the section of the shaft sleeve, and the included angle is 15-45 degrees.
7. The energy-saving and environment-friendly annealing furnace according to claim 6, characterized in that: the through hole is communicated with the flow channel and surrounds the outer sleeve, the communicating hole is arranged on the outer sleeve and communicated with the flow channel, and the communicating hole is arranged on the upper side of the blade.
8. The energy-saving and environment-friendly annealing furnace according to claim 7, characterized in that: the upper end of the outer sleeve is provided with a filter screen.
9. An energy-saving and environment-friendly annealing furnace according to any one of claims 1 to 8, characterized in that: the second driving device comprises a second driving motor and a speed reducer connected with the second driving motor, the output end of the speed reducer is connected with a rope disc, a pull rope is wound on the rope disc, and the other end of the pull rope is connected with the conveying trolley.
CN202010152853.2A 2020-03-06 2020-03-06 Energy-saving environment-friendly annealing furnace Active CN111235374B (en)

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CN111235374B CN111235374B (en) 2021-10-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111850282A (en) * 2020-07-23 2020-10-30 艾亦特工业炉(太仓)有限公司 Horizontal cylindrical furnace

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5188411A (en) * 1975-01-31 1976-08-03 KINZOKUSUTORITSUPUKOIRURENZOKUSHODONRONI OKERU ZAIRYOKANETSUSOCHI
CN200955061Y (en) * 2006-09-15 2007-10-03 南京年达炉业科技有限公司 Transeverse delivering mechanism in continuous annealing furnace
CN101611158A (en) * 2007-04-20 2009-12-23 株式会社日立产机系统 Iron core annealing furnace
CN102757171A (en) * 2012-07-12 2012-10-31 湖北新华光信息材料有限公司 Annealing furnace
CN207210478U (en) * 2017-07-17 2018-04-10 杭州杭申节能炉窑有限公司 A kind of automatic feeding type annealing furnace structure
CN207210476U (en) * 2017-07-17 2018-04-10 杭州杭申节能炉窑有限公司 Car-type circulating air annealing furnace
CN207276657U (en) * 2017-09-15 2018-04-27 江苏粤阜合金材料有限公司 A kind of annealing energy-saving furnace

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5188411A (en) * 1975-01-31 1976-08-03 KINZOKUSUTORITSUPUKOIRURENZOKUSHODONRONI OKERU ZAIRYOKANETSUSOCHI
CN200955061Y (en) * 2006-09-15 2007-10-03 南京年达炉业科技有限公司 Transeverse delivering mechanism in continuous annealing furnace
CN101611158A (en) * 2007-04-20 2009-12-23 株式会社日立产机系统 Iron core annealing furnace
CN102757171A (en) * 2012-07-12 2012-10-31 湖北新华光信息材料有限公司 Annealing furnace
CN207210478U (en) * 2017-07-17 2018-04-10 杭州杭申节能炉窑有限公司 A kind of automatic feeding type annealing furnace structure
CN207210476U (en) * 2017-07-17 2018-04-10 杭州杭申节能炉窑有限公司 Car-type circulating air annealing furnace
CN207276657U (en) * 2017-09-15 2018-04-27 江苏粤阜合金材料有限公司 A kind of annealing energy-saving furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111850282A (en) * 2020-07-23 2020-10-30 艾亦特工业炉(太仓)有限公司 Horizontal cylindrical furnace

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