CN114150116A - Cover type annealing furnace - Google Patents
Cover type annealing furnace Download PDFInfo
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- CN114150116A CN114150116A CN202111470996.9A CN202111470996A CN114150116A CN 114150116 A CN114150116 A CN 114150116A CN 202111470996 A CN202111470996 A CN 202111470996A CN 114150116 A CN114150116 A CN 114150116A
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- furnace
- sleeve
- top end
- inner cover
- support column
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/663—Bell-type furnaces
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/663—Bell-type furnaces
- C21D9/673—Details, accessories, or equipment peculiar to bell-type furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/663—Bell-type furnaces
- C21D9/675—Arrangements of charging or discharging devices
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/663—Bell-type furnaces
- C21D9/677—Arrangements of heating devices
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a hood-type annealing furnace, which comprises a furnace base, wherein the top end of the furnace base is fixedly provided with a shell, the inner wall of the shell is provided with a plurality of combustion nozzles, a furnace platform is arranged in the shell, the furnace platform is rotatably connected with the top end of the furnace base through a rotating mechanism, the top end of the furnace platform is movably provided with an inner cover, the top end of the furnace platform is also provided with a storage component, an installation cavity is formed in the furnace platform, a circulating fan component is arranged in the installation cavity, and the middle part of the top end of the furnace platform is provided with an exhaust port communicated with the installation cavity; put the thing subassembly and include the support column, the vertical fixed mounting of support column is on the stove top, and the support column outside is from last to rotating the cover down and being equipped with a plurality of sleeves, and the sleeve passes through locking Assembly fixed mounting in the support column outside, and the thing board of putting that the sleeve side connection was equipped with horizontal setting evenly sets up the water conservancy diversion hole that runs through on putting the thing board. The heat treatment device can stagger each layer of the object placing plate by a certain angle, accelerates the flow of air flow in the inner cover, ensures the uniformity of heating of workpieces on the object placing plate, and better performs heat treatment on the workpieces.
Description
Technical Field
The invention relates to the technical field of metal heat treatment equipment, in particular to a hood-type annealing furnace.
Background
The cold rolling annealing process is an important link in the deep treatment process of steel strip production, and the cover annealing is the most widely applied mode, has the characteristics of strong product flexibility, small occupied area and low cost, and is widely applied to a cold rolling annealing production line. The bell-type annealing furnace generally comprises a shell, an inner cover (also called as a liner), a furnace platform and an electrical control system, wherein when the bell-type annealing furnace works, a workpiece is placed in the inner cover filled with protective atmosphere to be uniformly heated or cooled, and a strong circulating fan and the protective atmosphere can ensure that the annealed workpiece obtains uniform hardness and a bright surface.
The prior bell-type annealing furnace has the following problems when in use: install a plurality of thing boards of putting from last to down in proper order in the inner cover of bell-type annealing furnace, the during operation stacks the work piece on each layer puts the thing board, though can set up circulating fan in bell-type annealing furnace bottom and strengthen the flow of gas in the inner cover, nevertheless, because piling up densely layer upon layer of work piece for the unable high-efficient quick flow of air current in the inner cover, thereby it is relatively poor to lead to the work piece homogeneity of being heated, thereby has reduced the thermal treatment effect to the work piece.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a hood-type annealing furnace, which can stagger each layer of object placing plates by a certain angle, accelerate the airflow flow in an inner hood, ensure the uniformity of heating of workpieces on the object placing plates and better perform heat treatment on the workpieces.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a hood-type annealing furnace, which comprises a furnace base, wherein a shell is fixedly arranged at the top end of the furnace base, a plurality of combustion nozzles are arranged on the inner wall of the shell, a furnace platform is arranged in the shell, the furnace platform is rotatably connected with the top end of the furnace base through a rotating mechanism, an inner cover is movably arranged at the top end of the furnace platform, a material placing assembly is further arranged at the top end of the furnace platform, the material placing assembly is positioned in the inner cover, an installation cavity is formed in the furnace platform, a circulating fan assembly is arranged in the installation cavity, and an exhaust port communicated with the installation cavity is formed in the middle of the top end of the furnace platform;
put the thing subassembly and include support column, a plurality of sleeve and a plurality of thing board of putting, the vertical fixed mounting of support column is in the stove top, the support column outside is from last to rotating the cover down and being equipped with a plurality of the sleeve, the sleeve passes through locking Assembly fixed mounting in the support column outside, the sleeve side is connected and is equipped with horizontal setting put the thing board, evenly set up the water conservancy diversion hole that runs through on putting the thing board.
The improved structure is characterized in that the supporting column is fixedly provided with a plurality of limiting parts which are correspondingly arranged with the sleeve, the limiting parts are positioned correspondingly below the sleeve, the upper end face of each limiting part is provided with a mounting groove, an elastic part is arranged in the mounting groove, the elastic part is sleeved outside the supporting column, and the top end of the elastic part is connected with the corresponding bottom end of the sleeve.
When loosening locking Assembly and rotating the regulation to the sleeve with put the setting direction of thing board, the sleeve can follow the support column outside free slip under the action of gravity this moment, and it is spacing to telescopic gliding position through the locating part, avoids the sleeve to lead to a plurality of thing boards of putting to stack together along the support column downward slip always, can cushion when the support column lapse at the sleeve through setting up the elastic component, avoids taking place the condition that sleeve and locating part bump, can protect the sleeve.
The improved structure is characterized in that a center ring is arranged at the middle position of the object placing plate, the diameter of the center ring is larger than that of the flow guide hole, a plurality of annular flow guide plates are uniformly arranged on the inner side surface of the inner cover from top to bottom, the annular flow guide plates are arranged obliquely and downwards, and the annular flow guide plates are close to the inner side wall of the inner cover and provided with through holes penetrating through the inner side wall of the inner cover.
Through seting up the centre ring, the air current of being convenient for passes from bottom to top and puts the thing board, has promoted the mobility of the inside air current of inner cover.
The improvement is that the locking assembly comprises a locking screw and a rotating limiting hole, the rotating limiting hole transversely arranged is formed in the sleeve, the rotating limiting hole is communicated with the inside of the sleeve, the locking screw is connected with the internal thread of the rotating limiting hole, and the end part of the locking screw extends into the inside of the sleeve and movably abutted to the outer side of the support column.
During the use, the locking screw is unscrewed, the sleeve is rotated and the object placing plate is placed on the upper side and the lower side of the adjacent object placing plate, the object placing plate is staggered by a certain angle, the locking screw is screwed, the end part of the locking screw is abutted against the outer side of the supporting column, therefore, the sleeve is rotated and the object placing plate is fixed, and then the workpiece is placed on each object placing plate.
The further improvement is that the exhaust port is of an inverted cone-shaped structure with the diameter gradually reduced from bottom to top.
Through the arrangement, wind power generated by the circulating fan assembly is concentrated and is accelerated by the exhaust port to be sprayed upwards, so that a high-speed low-pressure area is formed in the middle of the inner cover, and pressure difference is formed between the area and the low-speed high-pressure area formed on the inner side wall of the inner cover, so that stable circulating flow of airflow in the inner cover is promoted.
The improved furnace platform is characterized in that an annular connecting flange is arranged at the bottom end of the inner cover, the annular connecting flange is fixedly installed at the top end of the furnace platform through a fixing screw rod, and a sealing ring is arranged at the bottom end of the annular connecting flange.
Through setting up annular flange, inner cover fixed mounting that can be convenient is on the stove top, and simultaneously, flange fixes the sealing washer compaction on the stove top, fine with inner cover bottom mounting sealed, avoid the inside air current of inner cover to take place to leak.
The improved furnace hearth structure is characterized in that the rotating mechanism comprises a rotating motor, a rotating shaft, a driving bevel gear, a driven bevel gear, an annular guide groove and a sliding block, a cavity is formed in the furnace hearth, the rotating shaft is vertically arranged and rotatably mounted in the cavity, the top end of the rotating shaft is fixedly connected with the middle of the bottom end of the furnace hearth, the driven bevel gear is mounted on the outer side of the rotating shaft, the driving bevel gear is arranged on the outer side of the driven bevel gear in a meshed mode, the driving bevel gear is in driving connection with the rotating motor, the annular guide groove with the rotating shaft as the circle center is formed in the top end of the furnace hearth, and the sliding block which is arranged in the annular guide groove in a sliding mode is arranged at the bottom end of the furnace hearth.
The rotating motor drives the driving bevel gear to rotate, the driving bevel gear drives the driven bevel gear meshed with the driving bevel gear to rotate, so that the inner cover on the rotating shaft and the furnace platform is driven to rotate, the combustion nozzle heats different positions of the outer side surface of the inner cover, the inner cover is prevented from being shortened due to the fact that the combustion nozzle is over against the specific position of the inner cover, meanwhile, the inner cover can be uniformly heated, the uniform heating of the inner airflow of the inner cover is achieved, and the pushing effect is achieved on the flowing of the inner airflow of the inner cover.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the plurality of object placing plates are respectively sleeved on the supporting columns in a sliding manner through the sleeves, the fixing sleeves are fixed on the supporting columns through the locking assemblies, when the locking assemblies are used, the locking assemblies are unscrewed, the sleeves and the object placing plates are rotated by taking the supporting columns as fulcrums, the adjacent upper and lower object placing plates are staggered by a certain angle, and then the locking assemblies are screwed down, so that the rotating sleeves and the object placing plates are fixed, and then the workpiece is placed on the object placing plates, the whole operation process is simple and convenient, meanwhile, the staggered object placing plates facilitate airflow flowing in the inner covers, so that the airflow can be fully contacted with the workpiece on the object placing plates, and the uniformity of heating of the workpiece is ensured;
under slewing mechanism's drive, the inner cover on the stove top rotates for the burner nozzle heats inner cover lateral surface different positions, avoids leading to inner cover life to shorten just to inner cover specific position because of burner nozzle, also can be even simultaneously to the inner cover carry out circulation heating, thereby realized heating the inside air current of inner cover is even, and has the pushing action to the flow of the inside air current of inner cover.
Drawings
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
FIG. 1 is a schematic view showing the internal structure of a hood-type annealing furnace according to the present invention;
FIG. 2 is a schematic view of the storage assembly of the present invention;
FIG. 3 is a schematic view of the internal structure of the sleeve according to the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 1;
FIG. 5 is an enlarged view at B of FIG. 1;
FIG. 6 is a schematic view of the rotating mechanism according to the present invention;
wherein, the specific reference numbers are: the furnace base 1, the shell 2, the combustion nozzle 3, the fuel compression pipe 4, the fuel pipeline 5, the fuel barrel 6, the air injection device 7, the rotating mechanism 8, the rotating motor 9, the rotating shaft 10, the driving bevel gear 11, the driven bevel gear 12, the annular guide groove 13, the sliding block 14, the furnace platform 15, the installation cavity 16, the circulating fan assembly 17, the exhaust port 18, the storage assembly 19, the support column 20, the sleeve 21, the storage plate 22, the diversion hole 23, the center ring 24, the limiting piece 25, the elastic piece 26, the locking assembly 27, the locking screw 28, the rotation limiting hole 29, the inner cover 30, the annular diversion plate 31, the through hole 32 and the annular connecting flange 33.
Detailed Description
The embodiment of the invention discloses a hood-type annealing furnace, as shown in figures 1 to 6, comprising a furnace base 1, wherein the top end of the furnace base 1 is fixedly provided with a shell 2, the inner wall of the shell 2 is provided with a plurality of combustion nozzles 3, the combustion nozzles 3 are communicated with one end of a fuel pipeline 5 through a fuel compression pipe 4, the other end of the fuel pipeline 5 is communicated with a fuel barrel 6, each combustion nozzle 3 is connected with an igniter, the outer side of the shell 2 is fixedly provided with an air injection device 7, a furnace platform 15 is arranged inside the shell 2, the furnace platform 15 is rotatably connected with the top end of the furnace base 1 through a rotating mechanism 8, the top end of the furnace platform 15 is movably provided with a 30, the top end of the furnace platform 15 is also provided with an object placing component 19, the object placing component 19 is positioned inside an inner cover 30, the furnace platform 15 is internally provided with a mounting cavity 16, the mounting cavity 16 is internally provided with a circulating fan component 17, the circulating fan component 17 in the embodiment comprises a driving motor and fan blades, the middle part of the top end of the furnace platform 15 is provided with an exhaust port 18 communicated with the installation cavity 16; when the device works, air is conveyed into a space between the shell 2 and the inner cover 30 through the air injection device 7, fuel in the fuel barrel 6 is conveyed to the fuel compression pipe 4 through the fuel pipeline 5 for compression treatment and then conveyed to the combustion nozzle 3, the fuel is ignited through the igniter, and high-temperature flue gas is injected to the inner cover 30, so that the internal airflow of the inner cover 30 is heated, the high-temperature airflow in the inner cover 30 circularly flows under the action of the circulating fan assembly 17, the high-temperature airflow is in contact with a workpiece on the object placing plate 22 for heat exchange, the annealing treatment of the workpiece is completed, and cooling and discharging are performed after the annealing treatment is completed; under the drive of the rotating mechanism 8, the inner cover 30 on the furnace platform 15 can rotate, so that the combustion nozzle 3 heats different positions on the outer side surface of the inner cover 30, the service life of the inner cover 30 is prevented from being shortened due to the fact that the combustion nozzle 3 is over against the specific position of the inner cover 30, meanwhile, the inner cover 30 can be uniformly heated in a circulating mode, and therefore the purpose that the air flow inside the inner cover 30 is uniformly heated is achieved, and the effect of promoting the flowing of the air flow inside the inner cover 30 is achieved; put thing subassembly 19 and include support column 20, a plurality of sleeve 21 and a plurality of thing board 22 of putting, the vertical fixed mounting of support column 20 is on the 15 tops of stove top, support column 20 outside is from last to rotating the cover to be equipped with a plurality of sleeves 21 down, sleeve 21 passes through locking Assembly 27 fixed mounting in the support column 20 outside, the thing board 22 of putting that is equipped with horizontal setting is connected to the sleeve 21 side, put evenly to offer the water conservancy diversion hole 23 that runs through on the thing board 22, put thing board 22 top and offer the recess that is used for holding the work piece. During the use, unscrew locking Assembly 27, use support column 20 to rotate sleeve 21 and put thing board 22 as the fulcrum, put thing board 22 certain angle that staggers with adjacent upper and lower both sides, tighten locking Assembly 27 again, thereby will rotate sleeve 21 and put thing board 22 and fix, place the work piece on each puts thing board 22 again can, whole operation process is simple convenient, the thing board 22 of putting that interlocks simultaneously sets up is convenient for the air current flow in the inner cover 30, make the air current can be abundant with each put the work piece contact on the thing board 22, the homogeneity that the work piece was heated has been guaranteed.
Wherein, a plurality of locating parts 25 that correspond to sleeve 21 and set up are fixed to be installed on support column 20, and locating part 25 is located the corresponding sleeve 21 below, and the mounting groove has been seted up to locating part 25 upper end, is equipped with elastic component 26 in the mounting groove, and elastic component 26 cover is established in the support column 20 outside, and the elastic component 26 top is connected with the sleeve 21 bottom that corresponds. When the locking assembly 27 is loosened to rotatably adjust the arrangement directions of the sleeve 21 and the object placing plates 22, the sleeve 21 can freely slide along the outer side of the supporting column 20 under the action of gravity, the downward sliding position of the sleeve 21 is limited by the limiting piece 25, the situation that the sleeve 21 slides downwards along the supporting column 20 to cause the plurality of object placing plates 22 to be stacked together is avoided, the sleeve 21 can be buffered when sliding downwards along the supporting column 20 by arranging the elastic piece 26, the situation that the sleeve 21 collides with the limiting piece 25 is avoided, and the sleeve 21 can be protected.
Wherein, put thing board 22 intermediate position department and seted up center ring 24, center ring 24's diameter is greater than the diameter of water conservancy diversion hole 23, evenly installs a plurality of cyclic annular guide plates 31 from last to down on the inner side of inner cover 30, and the slope of cyclic annular guide plate 31 sets up downwards, and the through-hole 32 that runs through has been seted up near in inner cover 30 inside wall department on the cyclic annular guide plate 31. Through seting up the center ring 24, the air current of being convenient for passes by supreme down and puts thing board 22, has promoted the mobility of the inside air current of inner cover 30, and through setting up cyclic annular guide plate 31, it leads to the thing subassembly 19 department of putting that is located the intermediate position with the downward air current part of inner cover 30 inside wall department for the air current carries out abundant contact heat transfer with the work piece.
Wherein, locking Assembly 27 includes locking screw 28 and rotates spacing hole 29, sets up the spacing hole 29 of rotation of horizontal setting on the sleeve 21, rotates spacing hole 29 and is linked together with sleeve 21 is inside, rotates spacing hole 29 female connection and has locking screw 28, and locking screw 28's tip stretches into to inside the sleeve 21 to with the outside activity butt of support column 20. When the device is used, the locking screw 28 is unscrewed, the sleeve 21 and the object placing plates 22 are rotated, the object placing plates 22 on the upper side and the lower side which are adjacent are staggered by a certain angle, the locking screw 28 is screwed, the end part of the locking screw 28 is abutted against the outer side of the supporting column 20, so that the rotating sleeve 21 and the object placing plates 22 are fixed, and then a workpiece is placed on each object placing plate 22.
The exhaust port 18 is an inverted cone structure with a diameter gradually decreasing from bottom to top. By the arrangement, the wind generated by the circulating fan assembly 17 is intensively accelerated and vertically sprayed upwards through the air outlet 18, so that a high-speed low-pressure region is formed in the middle of the inner cover 30, and a pressure difference is formed between the high-speed low-pressure region and a low-speed high-pressure region formed on the inner side wall of the inner cover 30, thereby promoting the smooth circulation flow of the air flow in the inner cover 30.
Wherein, the bottom of inner cover 30 is equipped with annular flange 33, and annular flange 33 passes through set screw fixed mounting at the top of stove top 15, and annular flange 33 bottom is equipped with the sealing washer. Through setting up annular flange 33, inner cover 30 fixed mounting that can be convenient is on stove top 15, and simultaneously, annular flange 33 fixes the sealing washer compaction on stove top 15, and fine is sealed with the inner cover 30 bottom mounting, avoids the inside air current of inner cover 30 to take place to leak.
Wherein, slewing mechanism 8 is including rotating motor 9, the axis of rotation 10, drive bevel gear 11, driven bevel gear 12, annular guide way 13 and slider 14, the cavity has been seted up to stove seat 1 inside, the axis of rotation 10 of vertical setting is installed to the cavity internal rotation, department fixed connection in the middle of 10 tops of axis of rotation and the 15 bottoms of stove platform, driven bevel gear 12 is installed in the axis of rotation 10 outside, driven bevel gear 12 outside meshing is provided with drive bevel gear 11, drive bevel gear 11 is connected with the drive of rotating motor 9, annular guide way 13 using axis of rotation 10 as the centre of a circle is seted up on 1 top of stove seat, 15 bottoms of stove platform are equipped with the slider 14 that slides and set up in annular guide way 13. The rotating motor 9 drives the driving bevel gear 11 to rotate, the driving bevel gear 11 drives the driven bevel gear 12 which is meshed with the driving bevel gear to rotate, so that the inner covers 30 on the rotating shaft 10 and the furnace platform 15 are driven to rotate, the combustion nozzles 3 heat different positions of the outer side surface of the inner cover 30, the inner cover 30 is prevented from being shortened due to the fact that the combustion nozzles 3 are opposite to specific positions of the inner cover 30, meanwhile, the inner cover 30 can be uniformly heated, the uniform heating of the inner airflow of the inner cover 30 is achieved, and the flowing of the inner airflow of the inner cover 30 has a pushing effect.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (8)
1. A hood-type annealing furnace is characterized by comprising a furnace base, wherein a shell is fixedly mounted at the top end of the furnace base, a plurality of combustion nozzles are arranged on the inner wall of the shell, a furnace platform is arranged in the shell and is rotatably connected with the top end of the furnace base through a rotating mechanism, an inner cover is movably mounted at the top end of the furnace platform, an object placing assembly is further arranged at the top end of the furnace platform and is positioned in the inner cover, an installation cavity is formed in the furnace platform, a circulating fan assembly is arranged in the installation cavity, and an exhaust port communicated with the installation cavity is formed in the middle of the top end of the furnace platform;
put the thing subassembly and include support column, a plurality of sleeve and a plurality of thing board of putting, the vertical fixed mounting of support column is in the stove top, the support column outside is from last to rotating the cover down and being equipped with a plurality of the sleeve, the sleeve passes through locking Assembly fixed mounting in the support column outside, the sleeve side is connected and is equipped with horizontal setting put the thing board, evenly set up the water conservancy diversion hole that runs through on putting the thing board.
2. The hood-type annealing furnace according to claim 1, wherein a plurality of stoppers are fixedly mounted on the supporting pillars so as to correspond to the sleeves, the stoppers are located below the corresponding sleeves, mounting grooves are formed in upper end surfaces of the stoppers, elastic members are disposed in the mounting grooves, the elastic members are sleeved outside the supporting pillars, and top ends of the elastic members are connected to bottom ends of the corresponding sleeves.
3. The bell-type annealing furnace according to claim 1 or 2, wherein a center ring is formed at a middle position of the material placing plate, the diameter of the center ring is larger than that of the guide holes, a plurality of annular guide plates are uniformly arranged on the inner side surface of the inner cover from top to bottom, the annular guide plates are arranged obliquely downward, and through holes are formed in the annular guide plates close to the inner side wall of the inner cover.
4. The bell-type annealing furnace according to claim 3, wherein the locking assembly comprises a locking screw and a rotation limiting hole, the sleeve is provided with the rotation limiting hole transversely arranged, the rotation limiting hole is communicated with the inside of the sleeve, the locking screw is connected with the rotation limiting hole through internal threads, and the end part of the locking screw extends into the sleeve and is movably abutted against the outer side of the supporting column.
5. The hood-type annealing furnace according to claim 1, wherein the exhaust port has a reverse tapered structure in which the diameter thereof is gradually reduced from the bottom to the top.
6. The hood-type annealing furnace according to claim 1, wherein an annular flange is provided at a lower end of the inner hood, and the annular flange is fixedly installed at an upper end of the hearth by means of a fixing screw.
7. A hood-type annealing furnace according to claim 6, wherein the bottom end of the annular joining flange is provided with a sealing ring.
8. The bell-type annealing furnace according to claim 1, wherein the rotating mechanism comprises a rotating motor, a rotating shaft, a driving bevel gear, a driven bevel gear, an annular guide groove and a slide block, a cavity is formed in the furnace base, the rotating shaft is vertically installed in the cavity in a rotating manner, the top end of the rotating shaft is fixedly connected with the middle of the bottom end of the furnace platform, the driven bevel gear is installed on the outer side of the rotating shaft, the driving bevel gear is meshed with the outer side of the driven bevel gear, the driving bevel gear is in driving connection with the rotating motor, the top end of the furnace base is provided with the annular guide groove which is centered on the rotating shaft, and the bottom end of the furnace platform is provided with the slide block which is slidably arranged in the annular guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111470996.9A CN114150116A (en) | 2021-12-03 | 2021-12-03 | Cover type annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111470996.9A CN114150116A (en) | 2021-12-03 | 2021-12-03 | Cover type annealing furnace |
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|---|---|
| CN114150116A true CN114150116A (en) | 2022-03-08 |
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| CN202111470996.9A Pending CN114150116A (en) | 2021-12-03 | 2021-12-03 | Cover type annealing furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114990299A (en) * | 2022-08-01 | 2022-09-02 | 兴化市天泰合金制品科技有限公司 | Heat treatment device for preparing nodular cast iron alloy |
| CN116042997A (en) * | 2022-12-13 | 2023-05-02 | 江西耐乐铜业有限公司 | Hood-type annealing furnace |
| CN116121622A (en) * | 2022-11-18 | 2023-05-16 | 无锡普天铁心股份有限公司 | Production process of excellent bottom layer oriented silicon steel |
| CN116397090A (en) * | 2023-06-05 | 2023-07-07 | 山西鑫磁科技有限公司 | Iron core heat treatment device and process |
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| CN212533081U (en) * | 2020-06-24 | 2021-02-12 | 浙江东南新材科技有限公司 | Convection plate assembly for bell-type annealing furnace |
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| GB776913A (en) * | 1955-10-10 | 1957-06-12 | Lee Wilson | Method of and apparatus for controlling circulation of furnace atmosphere |
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