CN105423745A - Method for solving uneven heating of ingot castings on vertically-pushing type heating furnace - Google Patents
Method for solving uneven heating of ingot castings on vertically-pushing type heating furnace Download PDFInfo
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Abstract
Disclosed is a method for solving uneven heating of ingot castings on a vertically-pushing type heating furnace. A major structure of the vertically-pushing type heating furnace is not changed. Adjusting flow guiding devices are additionally arranged on the vertically-pushing type heating furnace. The structural shape of a middle nozzle guide vane is improved, and the installation position of a heating element is adjusted. The multiple adjusting flow guiding devices are arranged inside H intervals of adjacent side nozzle plates. The multiple adjusting flow guiding devices between the adjacent side nozzle plates can be connected with push rods after being connected in series. Each push rod penetrates an inner lining, a hook face flow guiding plate and an outer lining and is fixed to an outer body of the vertically-pushing type heating furnace through a fixing piece. Each adjusting flow guiding device comprises an adjusting vane, a connecting lug, a connecting shaft, a connecting rod, a steel angle and a rotating shaft. The deflection angles of the adjusting vanes are adjusted by adjusting the lengths of the ingot castings, the push rods can pull the adjusting vanes flexibly, easily and conveniently, the phenomenon that the speed of hot air appearing at each side nozzle plate is low is avoided, the speed of the hot air at each side nozzle plate is kept consistent with the speed of hot air at a suction inlet of a circulating fan, uneven heating of the ingot castings is eliminated, and the heating quality and efficiency of the ingot castings are improved.
Description
Technical field
The invention belongs to technical field of nonferrous metal processing, especially a kind of ingot casting that solves on verticle-pushing type heating furnace heats uneven method.
Background technology
Composition graphs 1, Al and Alalloy slab ingot or commonly use verticle-pushing type heating furnace referred to as ingot casting and heat, containing liner 1 in this heating furnace, curved guide plate 2, outer lining 3, side spray oralia 4, track 5, middle nozzle plate 6, middle spout guide vane 7 and side spray mouth guide vane 8, bottom it, the identical two rows or three rows spout of spacing is configured with according to the wide requirement of stove, each row's spout not only can be arranged on side spray oralia 4 times but also can be arranged on middle nozzle plate 6 times, the each spout spacing be arranged under several side spray oralias 4 is setting and the equal correspondence of each nozzle is configured with side spray mouth guide vane 8, the each spout spacing be arranged under several middle nozzle plates 6 is also setting and the equal correspondence of each nozzle is configured with middle spout guide vane 7, spacing setting between sides adjacent nozzle plate 4 or adjacent middle nozzle plate 6 is H, several side spray oralias 4 and several middle nozzle plates 6 are contour and corresponding setting mutually in stove, each ingot casting is vertically placed on backing strap, the track 5 that backing strap can be arranged in parallel at two slides and enters respectively in heating furnace, article two, track 5 is contour and lower than side spray oralia 4 or the height of middle nozzle plate 6, discharge spacing between each ingot casting is equal with H, H spacing is also the flow channel of thermal current on burner hearth inner height direction.
The furnace roof portion of verticle-pushing type heating furnace is configured with horizontal duct and is configured with circulating fan at its crown center, the air-flow that temperature is lower is followed by circulating fan to be sucked in horizontal duct, enter the vertical air plenums of the wide both sides of stove afterwards and complete heat transfer process with heating element heater and produce the high thermal current of temperature, liner 1 and outer lining 3 form described vertical air plenums, at the lower end of described vertical air plenums configuration curved guide plate 2, curved guide plate 2 extends to middle nozzle plate 6 times, thermal current is divided into upper air duct and lower air duct in vertical air plenums lower end by curved guide plate 2, the thermal current of upper air duct is divided to each nozzle under several side spray oralias 4 and sprays to ingot casting through each side spray mouth guide vane 8, the thermal current of lower air duct is divided to each nozzle under several middle nozzle plates 6 and sprays to ingot casting through middle spout guide vane 7, horizontal duct is sucked by circulating fan again after ingot casting surface completes heat exchange, circulation like this can complete the heating process of ingot casting.
Along with the increase of extrusion ingot length, the length of each spout also needs to increase, air-out inhomogeneities along vent length direction is obvious all the more, under the structure influence that can not change verticle-pushing type heating furnace, the lower situation of the wind speed of thermal current can be there is at each side spray oralia 4 place, then there will be wind speed higher shape condition at the inlet scoop place of circulating fan, these two kinds of situations must cause its heating-up temperature of the ingot casting of diverse location uneven, thus affect the efficiency of heating surface and the heating quality of ingot casting.
Summary of the invention
For solving the problem, the invention provides a kind of ingot casting that solves on verticle-pushing type heating furnace and heat uneven method, the method solves ingot casting heating non-uniform phenomenon mainly through the installation site installing structure and the adjustment heating element heater regulating spout guide vane in the middle of guiding device, improvement at furnace bottom additional, need not blowing out operation only need the relative position adjusting push rod can realize regulating the angular deflection of guiding device, make ingot casting homogeneous heating, improve ingot casting heating quality and the efficiency of heating surface.
In order to realize foregoing invention object, the present invention adopts following technical scheme:
A kind of ingot casting that solves on verticle-pushing type heating furnace heats uneven method, containing liner in verticle-pushing type heating furnace, curved guide plate, outer lining, side spray oralia, track, middle nozzle plate, middle spout guide vane, side spray mouth guide vane and circulating fan, bottom it, the identical two rows or three rows spout of spacing is configured with according to the wide requirement of stove, under each row's spout not only can be arranged on side spray oralia but also under middle nozzle plate can be arranged on, the each spout spacing be arranged under several side spray oralias is setting and the equal correspondence of each nozzle is configured with side spray mouth guide vane, the each spout spacing be arranged under several middle nozzle plates is also setting and the equal correspondence of each nozzle is configured with middle spout guide vane, spacing setting between sides adjacent nozzle plate or adjacent middle nozzle plate is H, several side spray oralias and several middle nozzle plates are contour and corresponding setting mutually in stove, each ingot casting is vertically placed on backing strap, the track that backing strap can be arranged in parallel at two slides and enters respectively in heating furnace, article two, track is contour and lower than side spray oralia or the height of middle nozzle plate, discharge spacing between each ingot casting is equal with H, heating element heater is arranged on vertical air plenums, liner and outer lining form described vertical air plenums, at the lower end of described vertical air plenums configuration curved guide plate, under curved guide plate extends to middle nozzle plate, upper air duct is formed between curved guide plate and side spray oralia, lower air duct is formed between curved guide plate and furnace bottom, feature of the present invention is:
First, in the H spacing of sides adjacent nozzle plate, be provided with number cover regulate guiding device, can connect with push rod after number cover between adjacent regulates guiding device serial connection, each push rod is fixed on verticle-pushing type heating furnace outer body through after liner → curved guide plate → outer lining by keeper, and often cover regulates in guiding device and includes adjusting vane, lug, spindle, extension bar, angle steel and rotating shaft;
According to the setting spacing of spout each under sides adjacent nozzle plate, an adjusting vane is all configured with at each nozzle, adjusting vane is formed by the rectangle radian sheet on top and the rotatable lamella connection of bottom, the bottom of described rotatable lamella connects rotating shaft, the two ends of rotating shaft are positioned in the both sides, lower end of side spray oralia respectively by respective angle steel and realize the rotation of adjusting vane, the radian face of described rectangle radian sheet is all by vertically disposed track side surfaces faced by H spacing direction, two lugs are connected with in the non-radian face of described rectangle radian sheet and the back side, two lugs connect rotary spindle, spindle connects one end of extension bar, the other end of extension bar is connected in the installing hole of adjacent described rectangle radian sheet, the rest may be inferred under sides adjacent nozzle plate, and each nozzle all can be connected in series several rotary adjusting vane by above-mentioned connecting mode, can guiding device be regulated to be coupled to each other together and referred to as one group number cover after being mutually connected in series by the adjusting vane of several rotation, connect with push rod again after latter two extension bar in two adjacent groups is namely implemented serial connection near two extension bars of liner, a push rod fixes the angle synchronous adjustment that can realize each adjusting vane in two adjacent groups by the push-and-pull of keeper, configure a push rod by two adjacent groups can release in verticle-pushing type heating furnace and can configure several push rod, each push rod is the angular deflection direction of each adjusting vane in synchronous adjustment two adjacent groups separately.
Second, because the spacing of each spout under adjacent middle nozzle plate is also setting, but because present position can not connect push rod and keeper, therefore middle spout guide vane is improved to the guide vane with rectangle radian, described in there is rectangle radian its radian face of guide vane all by H spacing direction in the face of vertically disposed track side surfaces;
3rd, described heating element heater is arranged on respectively the two ends up and down of curved guide plate;
By the improvement of above-mentioned three aspects, the air-flow that temperature is lower is followed by circulating fan to be sucked in horizontal duct, enter the described vertical air plenums of the wide both sides of stove afterwards, complete heat transfer process through described upper air duct and described lower air duct and heating element heater and produce the thermal current of high-temperature, the thermal current of described upper air duct is divided to each nozzle under several side spray oralias and sprays to ingot casting through each side spray mouth guide vane and each adjusting vane, the thermal current of described lower air duct is divided to each nozzle under several middle nozzle plates and sprays to ingot casting through middle spout guide vane, by each push rod can adjust each adjusting vane in two adjacent groups deflection angle and towards ingot casting, and described in there is the guide vane of rectangle radian also towards ingot casting, no matter now how the height of ingot casting changes, as long as change each adjusting vane deflection angle and described there is the assistance of the guide vane of rectangle radian under can realize ingot casting heating homogenising, by the circulating-heating of circulating fan in heating process, whole heating processes of ingot casting can be completed.
In like manner, do not changing under above-mentioned second and the above-mentioned condition of the 3rd, namely directly connected with push rod near the extension bar of liner by last extension bar in one group, a push rod fixes the angle synchronous adjustment that can realize each adjusting vane in a group by the push-and-pull of keeper; can be derived in verticle-pushing type heating furnace by group configuration push rod and can configure several push rod, each push rod is the angular deflection direction of each adjusting vane in synchronous adjustment one group separately, the air-flow lower when temperature is followed in suction horizontal duct by circulating fan, enter the described vertical air plenums of the wide both sides of stove afterwards, complete heat transfer process through described upper air duct and described lower air duct and heating element heater and produce the thermal current of high-temperature, the thermal current of described upper air duct is divided to each nozzle under several side spray oralias and sprays to ingot casting through each side spray mouth guide vane and each adjusting vane, the thermal current of described lower air duct be divided to each nozzle under several middle nozzle plates and through described in there is the guide vane of rectangle radian and spray to ingot casting, by each push rod can adjust each adjusting vane in every group deflection angle and towards ingot casting, no matter now how the length of ingot casting and vertical placing height change, as long as change each adjusting vane deflection angle and described there is the assistance of the guide vane of rectangle radian under can realize ingot casting heating homogenising, by the circulating-heating of circulating fan in heating process, whole heating processes of ingot casting can be completed.
Owing to adopting technical scheme described above, the present invention produces following good effect:
1. can adjust the deflection angle of adjusting vane according to the length of ingot casting, push rod pulls the mode flexible and convenient of adjusting vane.
2. the invention solves the air-out problem of non-uniform of furnace wall side spray mouth, improve heating quality and the efficiency of heating surface of ingot casting.
3. can realize at verticle-pushing type heating furnace the air outlet angle regulating guiding device outward, adjustment fast, without the need to blowing out, saves time;
4. regulate guiding device structure simple, less to the change of verticle-pushing type heating furnace, do not affect the agent structure of verticle-pushing type heating furnace.
Accompanying drawing explanation
Fig. 1 is the A-A cross-section structure simplified schematic diagram of Fig. 2;
Fig. 2 is the right-hand part plan structure simplified schematic diagram of verticle-pushing type heating furnace;
Fig. 3 is I portion structure for amplifying simplified schematic diagram in Fig. 1;
Fig. 4 is II portion structure for amplifying simplified schematic diagram in Fig. 2;
In above-mentioned figure: 1-liner; 2-curved guide plate; 3-outer lining; 4-side spray oralia; 5-track; Nozzle plate in the middle of 6-; Spout guide vane in the middle of 7-; 8-side spray mouth guide vane; 9-regulates guiding device; 9.1-adjusting vane; 9.2-lug; 9.3-spindle; 9.4-extension bar; 9.5-angle steel; 9.6-rotating shaft; 10-push rod; 11-keeper.
Detailed description of the invention
The present invention is that a kind of ingot casting that solves on verticle-pushing type heating furnace heats uneven method.
Composition graphs 1, containing liner 1 in verticle-pushing type heating furnace, curved guide plate 2, outer lining 3, side spray oralia 4, track 5, middle nozzle plate 6, middle spout guide vane 7, side spray mouth guide vane 8 and circulating fan, bottom it, the identical two rows or three rows spout of spacing is configured with according to the wide requirement of stove, each row's spout not only can be arranged on side spray oralia 4 times but also can be arranged on middle nozzle plate 6 times, the each spout spacing be arranged under several side spray oralias 4 is setting and the equal correspondence of each nozzle is configured with side spray mouth guide vane 8, the each spout spacing be arranged under several middle nozzle plates 6 is also setting and the equal correspondence of each nozzle is configured with middle spout guide vane 7, spacing setting between sides adjacent nozzle plate 4 or adjacent middle nozzle plate 6 is H, H is also the spacing distance between adjacent ingot casting, several side spray oralias 4 and several middle nozzle plates 6 are contour and corresponding setting mutually in stove, each ingot casting is vertically placed on backing strap, the track 5 that backing strap can be arranged in parallel at two slides and enters respectively in heating furnace, article two, track 5 is contour and lower than side spray oralia 4 or the height of middle nozzle plate 6, discharge spacing between each ingot casting is equal with H, heating element heater is arranged on vertical air plenums, liner 1 and outer lining 3 form described vertical air plenums, at the lower end of described vertical air plenums configuration curved guide plate 2, curved guide plate 2 extends to middle nozzle plate 6 times, upper air duct is formed between curved guide plate 2 and side spray oralia 4, lower air duct is formed between curved guide plate 2 and furnace bottom, other does not state content can see described in background technology.
The present invention mainly solves three problems, first installs adjustment guiding device additional on verticle-pushing type heating furnace, the planform of spout guide vane in the middle of second improvement, the installation site of the 3rd adjustment heating element heater, ingot casting heating non-uniform phenomenon is eliminated by solving three problems, make ingot casting homogeneous heating, improve ingot casting heating quality and the efficiency of heating surface, the present invention does not change the agent structure of verticle-pushing type heating furnace.
Composition graphs 1-4, in the H spacing of sides adjacent nozzle plate 4, be provided with number cover regulate guiding device 9, number cover between adjacent regulates guiding device 9 serial connection can connect with push rod 10, each push rod 10 is fixed on verticle-pushing type heating furnace outer body through after liner 1 → curved guide plate 2 → outer lining 3 by keeper 11, and often cover regulates in guiding device 9 and includes adjusting vane 9.1, lug 9.2, spindle 9.3, extension bar 9.4, angle steel 9.5 and rotating shaft 9.6.
According to the setting spacing of sides adjacent nozzle plate 4 times each spouts, this setting spacing is that verticle-pushing type heating furnace is given, the position of each spout is also given, the mounting structure of its single cover adjustment guiding device 9 is: be all configured with an adjusting vane 9.1 at each nozzle, adjusting vane 9.1 is formed by the rectangle radian sheet on top and the rotatable lamella connection of bottom, the bottom of described rotatable lamella connects rotating shaft 9.6, the two ends of rotating shaft 9.6 are positioned in the both sides, lower end of side spray oralia 4 respectively by respective angle steel 9.5 and realize the rotation of adjusting vane 9.1, described rotatable lamella width described in rectangle radian sheet radian face all by H spacing direction in the face of vertically disposed track side surfaces, two lugs 9.2 are connected with in the non-radian face of described rectangle radian sheet and the back side, two lugs 9.2 connect rotary spindle 9.3, spindle 9.3 connects one end of extension bar 9.4, the other end of extension bar 9.4 is connected in the installing hole of adjacent described rectangle radian sheet, the width of described rotatable lamella and the width of described rectangle radian sheet are equal and its < H, H is set-point, the radian face of described rectangle radian sheet when mounted all will towards ingot casting direction, the thermal current of each like this nozzle ejection just can spray to ingot casting, notice that the installation initial position of described rectangle radian sheet must get out of the way each spout.
The mounting structure of guiding device 9 is regulated according to above-mentioned single cover, the rest may be inferred all can be connected in series several rotary adjusting vane 9.1 by above-mentioned connecting mode at sides adjacent nozzle plate 4 times each nozzles, to can guiding device 9 be regulated mutually to be serially connected number cover after the adjusting vane 9.1 of several rotation mutually serial connection and referred to as one group, connect with push rod 10 again after latter two extension bar 9.4 in two adjacent groups is namely implemented serial connection near two extension bars 9.4 of liner 1, a push rod 10 fixes the angle synchronous adjustment that can realize each adjusting vane 9.1 in two adjacent groups by the push-and-pull of keeper 11, the effect of keeper 11 is exactly ensure that push rod 10 makes it fix after the deflection angle of adjusting vane 9.1 is determined.
Configure a push rod 10 by two adjacent groups can release in verticle-pushing type heating furnace and can configure several push rod 10, the angular deflection direction of each adjusting vane 9.1 in the respective synchronous adjustment two adjacent groups of each push rod 10, the angular deflection direction of each adjusting vane 9.1 can be met within 45 ° after tested.
Above-mentioned is the draw bail of the mutual serial connection of two adjacent groups adjusting vane 9.1, when installing the structure of two adjacent groups adjusting vane 9.1, needs to do experiment after each assembling parts, check each parts whether activity freely, exist without phenomenons such as stuck, frictions.
Second, spacing due to adjacent middle nozzle plate 6 times each spouts is also setting, but because present position can not connect push rod 10 and keeper 11, therefore middle spout guide vane 7 is improved to the guide vane with rectangle radian, described its radian face of guide vane with rectangle radian all by H spacing direction in the face of vertically disposed track side surfaces, described in have the guide vane of rectangle radian identical with the planform of described rectangle radian sheet.
3rd, described heating element heater is arranged on respectively the two ends up and down of curved guide plate 2.
By the improvement of above-mentioned three aspects, the air-flow that temperature is lower is followed by circulating fan to be sucked in horizontal duct, enter the described vertical air plenums of the wide both sides of stove afterwards, complete heat transfer process through described upper air duct and described lower air duct and heating element heater and produce the thermal current of high-temperature, the thermal current of described upper air duct is divided to each nozzle under several side spray oralias 4 and sprays to ingot casting through each side spray mouth guide vane 8 and each adjusting vane 9.1, the thermal current of described lower air duct be divided to each nozzle under several middle nozzle plates 6 and through described in there is the guide vane of rectangle radian and spray to ingot casting, by each push rod 10 can adjust each adjusting vane 9.1 in two adjacent groups deflection angle and towards ingot casting, and described in there is the guide vane of rectangle radian also towards ingot casting, no matter now how the height of ingot casting changes, as long as change each adjusting vane 9.1 deflection angle and described there is the assistance of the guide vane of rectangle radian under can realize ingot casting heating homogenising, by the circulating-heating of circulating fan in heating process, whole heating processes of ingot casting can be completed.
Below draw bail and the using method of the mutual serial connection of one group of adjusting vane 9.1:
Do not changing under above-mentioned second and the above-mentioned condition of the 3rd, namely directly connected with push rod 10 near the extension bar 9.4 of liner 1 by last extension bar 9.4 in one group, a push rod 10 fixes the angle synchronous adjustment that can realize each adjusting vane 9.1 in a group by the push-and-pull of keeper 11; can be derived in verticle-pushing type heating furnace by group configuration push rod 10 and can configure several push rod 10, the angular deflection direction of each adjusting vane 9.1 in the respective synchronous adjustment one group of each push rod 10, the air-flow lower when temperature is followed in suction horizontal duct by circulating fan, enter the described vertical air plenums of the wide both sides of stove afterwards, complete heat transfer process through described upper air duct and described lower air duct and heating element heater and produce the thermal current of high-temperature, the thermal current of described upper air duct is divided to each nozzle under several side spray oralias 4 and sprays to ingot casting through each side spray mouth guide vane 8 and each adjusting vane 9.1, the thermal current of described lower air duct be divided to each nozzle under several middle nozzle plates 6 and through described in there is the guide vane of rectangle radian and spray to ingot casting, by each push rod 10 can adjust each adjusting vane 9.1 in every group deflection angle and towards ingot casting, no matter now how the length of ingot casting and vertical placing height change, as long as change each adjusting vane 9.1 deflection angle and described there is the assistance of the guide vane of rectangle radian under can realize ingot casting heating homogenising, by the circulating-heating of circulating fan in heating process, whole heating processes of ingot casting can be completed.
No matter be the mutual serial connection of two adjacent groups or one group of adjusting vane 9.1, each adjusting vane 9.1 all expands area of dissipation and have adjusted heat dissipation direction, preferably resolve the lower situation of thermal current wind speed that each side spray oralia 4 place occurs, can be consistent with the thermal current wind speed at circulating fan inlet scoop place, in addition the planform of spout guide vane and the installation site of adjustment heating element heater in the middle of improving, preferably resolve ingot casting heating problem of non-uniform, the effect produced is apparent for this area.
To sum up, method of the present invention has the effect regulating spout air-out direction, evenly spout air output.The present invention has very strong popularizing value on large-tonnage verticle-pushing type heating furnace, improves the efficiency of heating surface of verticle-pushing type heating furnace, reduces the temperature difference that ingot casting is existing along its length, improves heating quality, has popularizing value in coloured industry.
Claims (2)
1. one kind solves ingot casting and heats uneven method on verticle-pushing type heating furnace, containing liner (1) in verticle-pushing type heating furnace, curved guide plate (2), outer lining (3), side spray oralia (4), track (5), middle nozzle plate (6), middle spout guide vane (7), side spray mouth guide vane (8) and circulating fan, bottom it, the identical two rows or three rows spout of spacing is configured with according to the wide requirement of stove, under each row's spout not only can be arranged on side spray oralia (4) but also under middle nozzle plate (6) can be arranged on, the each spout spacing be arranged under several side spray oralias (4) is setting and the equal correspondence of each nozzle is configured with side spray mouth guide vane (8), the each spout spacing be arranged under several middle nozzle plates (6) is also setting and the equal correspondence of each nozzle is configured with middle spout guide vane (7), spacing setting between sides adjacent nozzle plate (4) or adjacent middle nozzle plate (6) is H, several side spray oralias (4) and several middle nozzle plates (6) are contour and corresponding setting mutually in stove, each ingot casting is vertically placed on backing strap, the track (5) that backing strap can be arranged in parallel at two is upper to slide and enters respectively in heating furnace, article two, track (5) is contour and lower than side spray oralia (4) or the height of middle nozzle plate (6), discharge spacing between each ingot casting is equal with H, heating element heater is arranged on vertical air plenums, liner (1) and outer lining (3) form described vertical air plenums, in the lower end of described vertical air plenums configuration curved guide plate (2), under curved guide plate (2) extends to middle nozzle plate (6), upper air duct is formed between curved guide plate (2) and side spray oralia (4), lower air duct is formed between curved guide plate (2) and furnace bottom, it is characterized in that:
First, in the H spacing of sides adjacent nozzle plate (4), be provided with number cover regulate guiding device (9), can connect with push rod (10) after number cover between adjacent regulates guiding device (9) serial connection, each push rod (10) is fixed on verticle-pushing type heating furnace outer body through after liner (1) → curved guide plate (2) → outer lining (3) by keeper (11), often cover regulates in guiding device (9) and includes adjusting vane (9.1), lug (9.2), spindle (9.3), extension bar (9.4), angle steel (9.5) and rotating shaft (9.6),
According to the setting spacing of each spout under sides adjacent nozzle plate (4), an adjusting vane (9.1) is all configured with at each nozzle, adjusting vane (9.1) is formed by the rectangle radian sheet on top and the rotatable lamella connection of bottom, the bottom of described rotatable lamella connects rotating shaft (9.6), the two ends of rotating shaft (9.6) are positioned in the both sides, lower end of side spray oralia (4) respectively by respective angle steel (9.5) and realize the rotation of adjusting vane (9.1), the radian face of described rectangle radian sheet is all by vertically disposed track side surfaces faced by H spacing direction, two lugs (9.2) are connected with in the non-radian face of described rectangle radian sheet and the back side, two lugs (9.2) the rotary spindle of upper connection (9.3), spindle (9.3) connects one end of extension bar (9.4), the other end of extension bar (9.4) is connected in the installing hole of adjacent described rectangle radian sheet, the rest may be inferred under sides adjacent nozzle plate (4), and each nozzle all can be connected in series several rotary adjusting vane (9.1) by above-mentioned connecting mode, to can guiding device (9) be regulated to be coupled to each other together number cover after the adjusting vane (9.1) of several rotation mutually serial connection and referred to as one group, connect with push rod (10) again after latter two extension bar (9.4) in two adjacent groups is namely implemented serial connection near two extension bars (9.4) of liner (1), a push rod (10) is by the fixing angle synchronous adjustment that can realize each adjusting vane (9.1) in two adjacent groups of the push-and-pull of keeper (11), configure a push rod (10) by two adjacent groups can release in verticle-pushing type heating furnace and can configure several push rod (10), each push rod (10) is the angular deflection direction of each adjusting vane (9.1) in synchronous adjustment two adjacent groups separately,
Second, because the spacing of each spout under adjacent middle nozzle plate (6) is also setting, but because present position can not connect push rod (10) and keeper (11), therefore middle spout guide vane (7) is improved to the guide vane with rectangle radian, described in there is rectangle radian its radian face of guide vane all by H spacing direction in the face of vertically disposed track side surfaces;
3rd, described heating element heater is arranged on respectively the two ends up and down of curved guide plate (2);
By the improvement of above-mentioned three aspects, the air-flow that temperature is lower is followed by circulating fan to be sucked in horizontal duct, enter the described vertical air plenums of the wide both sides of stove afterwards, complete heat transfer process through described upper air duct and described lower air duct and heating element heater and produce the thermal current of high-temperature, the thermal current of described upper air duct is divided to each nozzle under several side spray oralias (4) and sprays to ingot casting through each side spray mouth guide vane (8) and each adjusting vane (9.1), the thermal current of described lower air duct is divided to each nozzle under several middle nozzle plates (6) and sprays to ingot casting through middle spout guide vane (7), by each push rod (10) can adjust each adjusting vane (9.1) in two adjacent groups deflection angle and towards ingot casting, and described in there is the guide vane of rectangle radian also towards ingot casting, no matter now how the height of ingot casting changes, as long as change each adjusting vane (9.1) deflection angle and described there is the assistance of the guide vane of rectangle radian under can realize ingot casting heating homogenising, by the circulating-heating of circulating fan in heating process, whole heating processes of ingot casting can be completed.
2. a kind of ingot casting that solves on verticle-pushing type heating furnace heats uneven method according to claim 1, it is characterized in that: do not changing under above-mentioned second and the above-mentioned condition of the 3rd, namely directly connected with push rod (10) near the extension bar (9.4) of liner (1) by last extension bar (9.4) in one group, a push rod (10) is by the fixing angle synchronous adjustment that can realize each adjusting vane (9.1) in a group of the push-and-pull of keeper (11); can be derived in verticle-pushing type heating furnace by group configuration push rod (10) and several push rod (10) can be configured, the angular deflection direction of each adjusting vane (9.1) in the respective synchronous adjustment one group of each push rod (10), the air-flow lower when temperature is followed in suction horizontal duct by circulating fan, enter the described vertical air plenums of the wide both sides of stove afterwards, complete heat transfer process through described upper air duct and described lower air duct and heating element heater and produce the thermal current of high-temperature, the thermal current of described upper air duct is divided to each nozzle under several side spray oralias (4) and sprays to ingot casting through each side spray mouth guide vane (8) and each adjusting vane (9.1), the thermal current of described lower air duct be divided to each nozzle under several middle nozzle plates (6) and through described in there is the guide vane of rectangle radian and spray to ingot casting, by each push rod (10) can adjust each adjusting vane (9.1) in every group deflection angle and towards ingot casting, no matter now how the length of ingot casting and vertical placing height change, as long as change each adjusting vane (9.1) deflection angle and described there is the assistance of the guide vane of rectangle radian under can realize ingot casting heating homogenising, by the circulating-heating of circulating fan in heating process, whole heating processes of ingot casting can be completed.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106440773A (en) * | 2016-11-21 | 2017-02-22 | 艾伯纳工业炉(太仓)有限公司 | Vertical pushing furnace bottom flow guide and ejection system |
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Also Published As
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| CN105423745B (en) | 2017-07-28 |
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