CN210001900U - S-shaped hot air guiding device of resistance furnace - Google Patents
S-shaped hot air guiding device of resistance furnace Download PDFInfo
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- CN210001900U CN210001900U CN201920155266.1U CN201920155266U CN210001900U CN 210001900 U CN210001900 U CN 210001900U CN 201920155266 U CN201920155266 U CN 201920155266U CN 210001900 U CN210001900 U CN 210001900U
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Abstract
The utility model discloses a kind of resistance furnace S type hot-blast guiding device belongs to industrial heat treatment facility technical field, the resistance furnace is including setting up the impeller shell that puts at the top heat preservation bottom central point as the furnace top, and the heating element that evenly arranges from top to bottom of the fire-resistant wall inner wall of furnace both sides, and guiding device includes hangs the upper guide plate at the furnace top heat preservation and fixes the lateral wall guide plate at the fire-resistant wall inboard through the side bank stand through the suspension stand, and upper guide plate and lateral wall guide plate butt joint and with top heat preservation and fire-resistant wall formation wind-guiding passageway, are provided with the through-hole that is bigger than impeller shell diameter in the middle of the upper guide plate, and the up end of upper guide plate encircles the impeller shell evenly vertically to be fixed with a plurality of S type guiding vanes, the utility model provides a kind of resistance furnace S type hot-blast guiding device, make the resistance furnace in the heating operation in-process in-furnace sufficient wind energy motion circulation, make the work piece surface be heated.
Description
Technical Field
The utility model belongs to the technical field of industrial heat treatment equipment, concretely relates to hot-blast guiding device of kinds of resistance furnace S type.
Background
The resistance furnace is a standard electric kiln furnace and is mainly used for quenching annealing of steel castings, rollers, steel balls, stainless steel and the like and heat treatment of various metal mechanical parts. The existing resistance furnace makes the heat flow in the resistance furnace forcibly flow by only using a fan so as to realize the purposes of uniform furnace temperature and rapid temperature rise, but due to the difference of the air pressure of upper and lower air flows, the overall temperature rise speed in the furnace is uneven, the workpiece is heated and the heat preservation time is uneven, and the stability of the overall quality of the workpiece with strict requirements on part is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing kinds of resistance furnace S-shaped hot air guiding devices, which enables the resistance furnace to have enough movement circulation of hot air in the heating operation process, so that the surface of a workpiece is heated uniformly, and the workpiece is in the process of heat treatment process, has the tendency of synchronous tissue transformation, reduces or even eliminates stress, reduces heat treatment time and prolongs the service life of the resistance furnace.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
resistance furnace S-shaped hot air guiding device, the resistance furnace comprises an impeller shell arranged at the center of the bottom of a top heat preservation layer as the top of a hearth, heating elements are evenly distributed on the upper and lower parts of the inner wall of a fire-resistant wall at two sides of the hearth, the guiding device comprises an upper layer guiding plate hung on the top heat preservation layer through hanging upright posts and a side wall guiding plate fixed on the inner side of the fire-resistant wall through side row upright posts, the upper layer guiding plate is in butt joint with the side wall guiding plate and forms an air guiding channel with the top heat preservation layer and the fire-resistant wall, a through hole with a diameter larger than that of the impeller shell is arranged in the middle of the upper layer guiding plate, and a plurality of S.
The utility model discloses a technical scheme advance step improvement lie in that upper guide plate and lateral wall guide plate are connected through the terminal chamfer of upper guide plate, and the lower extreme of lateral wall guide plate is provided with the chamfer towards furnace inboard in the bottom position that is less than heating element.
The technical proposal of the utility model is improved by steps that the angle ranges of the chamfer at the tail end of the upper guide plate and the chamfer at the lower end of the side wall guide plate are both 40-60 degrees.
The technical proposal of the utility model is improved by steps that the upper end surface of the upper guide plate is added and welded with 6S-shaped guide plates vertically and symmetrically around the central through hole axis.
The utility model adopts improvement that the lower end of the suspension upright post is fixed with the upper guide plate through the split pin in a suspension way, and the other end of the side row upright post is transversely and vertically fixed with the side wall guide plate through the split pin.
The technical proposal of the utility model is improved by steps that the suspension upright posts, the upper layer guide plate, the side row upright posts, the side wall guide plate and the S-shaped guide plate are all made of 1Cr18Ni9 Ti.
Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:
the utility model provides a hot-blast guiding device of resistance furnace S type can effectively improve the hot-blast efficiency of impeller shell rotation circulation for the gas circulation speed in the resistance furnace improves stove gas circulation' S homogeneity, makes the interior gas flow rapider, even, improves work piece programming rate and temperature homogeneity in the stove, can be used to various technological steps such as quenching, tempering, and the like, and the same reason, the hot-blast guiding device of resistance furnace S type also can be used to in the heat treatment stoves such as various annealing stove, tempering furnace, heating furnace, homogeneity stove.
The utility model provides a kind of resistance furnace S type hot-blast guiding device, upper guide plate both sides are along all being provided with the chamfer down, and the lower edge of lateral wall guide plate just all is provided with to the inboard crooked chamfer of furnace, and 4 chamfers are used for guaranteeing the unobstructed of wind-guiding passageway, the circulation of hot-blast quick circulation.
The utility model provides a kind of resistance furnace S type hot-blast guiding device, resistance furnace are in the heating process, stir hot-blastly by top upper guide plate cooperation S type water conservancy diversion piece through the impeller shell and constitute S type wind channel and reinforce and get into between lateral wall guide plate and the fire-resistant wall, will be by the heat energy initiative to the furnace that heating element produced in like this, formed strong hot air circulating system, effectively prevented that the steam that flows from scurrying in furnace in disorder, make workpiece surface can evenly absorb heat energy.
The utility model provides a kind of resistance furnace S type hot-blast guiding device installs upper guide plate cooperation S type water conservancy diversion piece additional and constitutes S type wind channel air ducting, makes resistance furnace at the during operation, and hot-blast real circulation improves furnace internal gas circulation' S homogeneity, and the flow of steam is even more rapidly in making furnace, makes work piece thermally equivalent, reduces or eliminates work piece stress, extension resistance furnace life, practices thrift the electric energy.
The utility model provides a kind of resistance furnace S type hot-blast guiding device, the material of hanging row stand, upper guide plate, side row stand, lateral wall guide plate and S type water conservancy diversion piece is 1Cr18Ni9Ti, chooses for use 1Cr18Ni9 Ti' S heat-resisting metal material fully considers the furnace temperature of resistance furnace when the device design.
Drawings
FIG. 1 is a schematic structural view of an S-shaped hot air guiding device of a resistance furnace of the present invention;
FIG. 2 is a schematic structural diagram of a guide plate of the S-shaped hot air guiding device of the resistance furnace of the present invention;
the device comprises a motor 1, a motor 2, a transmission belt 3, a fan 4, an impeller shell 5, a top heat-insulating layer 6, a hearth 7, a fire-resistant wall 8, a heating element 9, a workpiece 10, a heat-resistant base 11, suspension columns 12, an upper guide plate 13, side rows of columns 14, side wall guide plates 15 and S-shaped guide plates.
Detailed Description
The present invention will be described in detail in with reference to the accompanying drawings and embodiments:
as shown in figure 1 the utility model discloses a hot-blast guiding device of resistance furnace S type, the utility model discloses a hot-blast guiding device of kinds of resistance furnace S type, the resistance furnace includes work support 10 as the stove bottom, as the fire-resistant wall 7 of oven, as the top heat preservation 5 of furnace top and the inclosed furnace 6 that encloses, the axis rotation of fan support 3 of setting at the top heat preservation 5 intermediate position is driven through driving belt 2 to motor 1 that 5 outside ends of top heat preservation set up, the axis of fan support 3 passes top heat preservation 5 and is fixed with impeller shell 4 through the axis end, sets up at furnace 6 top central point, heating element 8 has evenly arranged from top to bottom on the fire-resistant wall 7 inner wall of furnace 6 both sides.
The flow guide device comprises an upper flow guide plate 12 which is suspended on the top heat insulation layer 5 through suspension columns 11 and a side wall flow guide plate 14 which is fixed on the inner side of the fire-resistant wall 7 through side row columns 13; the upper layer guide plate 12 is butted with the side wall guide plate 14 and forms an air guide channel with the top insulating layer 5 and the refractory wall 7; the middle of the upper guide plate 12 is provided with a through hole with a diameter larger than that of the impeller shell 4, and the upper end surface of the upper guide plate 12 is uniformly and vertically fixed with a plurality of S-shaped guide plates 15 around the impeller shell 4.
The upper guide plate 12 and the side wall guide plate 14 are connected through a chamfer at the tail end of the upper guide plate 12, the lower end of the side wall guide plate 14 is provided with a chamfer facing the inner side of the hearth 6 at the position lower than the bottom end of the heating element 8, in the embodiment provided by the utility model, the lower edges of the two sides of the upper guide plate 12 are both provided with 45-degree chamfers which are flush with the upper edges of the side wall guide plates 14 at the two sides of the hearth 6, the lower ends of the side wall guide plates 14 at the two sides of the hearth 6 are both provided with chamfers which are bent towards the inner side of the hearth 6 by 45 degrees at the position lower than the bottom end of the heating element 8, and steps are carried out, the chamfer at the tail end of the upper.
The middle of the upper guide plate 12 is provided with a through hole with a diameter larger than that of the impeller shell 4, and the upper end surface of the upper guide plate 12 is uniformly and vertically fixed with a plurality of S-shaped guide plates 15 around the impeller shell 4. In the embodiment provided by the utility model, the up end of upper guide plate 12 has vertically welded 6S type water conservancy diversion pieces 15 around the through-hole axisymmetric ground in the middle.
, 8 or 10S-shaped flow deflectors 15 can be vertically welded on the upper end of the upper flow deflector 12. As shown in the figure 2, 3S-shaped flow deflectors 15 are vertically welded on the upper end surface of the upper flow deflector 12 around the left and right sides of the middle through hole respectively.
The upper end of the suspension upright post 11 is fixed on the bottom surface of the top heat-insulating layer 5, the lower end is fixed with the upper-layer guide plate 12, the end of the side-row upright post 13 is fixed on the inner side of the fire-resistant wall 7, and the other end is fixed with the side-wall guide plate 14. in the embodiment provided by the utility model, the lower end of the suspension upright post 11 is fixed with the upper-layer guide plate 12 through a split pin in a suspension way, the other end of the side-row upright post 13 is transversely and vertically fixed with the side-wall guide plate 14 through the split pin, and the step is advanced, the suspension upright post 11 and the side-row.
In the embodiment provided by the utility model, the material of suspension stand 11, upper deflector 12, side row stand 13, lateral wall deflector 14 and S type baffle 15 is 1Cr18Ni9Ti and further step, can also select for use other high temperature resistant corrosion resistant metal material.
Specifically, the utility model provides a hot-blast guiding device of kind of resistance furnace S type, at the during operation, the heating element 8 of furnace lateral wall produces the heat, the axis that motor 1 on resistance furnace top passes through drive belt 2 and drives fan support 3 rotates, the impeller shell 4 on 6 tops of furnace rotates, stir into the hot-gas and constitute S type wind channel by the fixed upper guide plate 12 cooperation S type water conservancy diversion piece 15 of suspension stand 11, reinforce the hot-gas flow, the hot-gas flow after reinforcing gets into between the fixed lateral wall guide plate 14 of side bank stand 13 and the refractory wall 7, will be sent to in the furnace 6 by the heat energy initiative that heating element 8 produced.
After the heat transfer between the hot air in the hearth 6 and the workpiece 9 in the middle occurs, the hot air is sucked into the upper-layer guide plate 12 by the impeller shell 4 rotating at the top of the hearth 6 again to form an S-shaped air channel by matching with the S-shaped guide plate 15, and then enters between the side-wall guide plate 14 and the refractory wall 7, and the heating element 8 is heated and then enters the circulation again until the motor 1 and the heating element 8 stop working.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (6)
- The S-shaped hot air diversion device of the resistance furnace comprises an impeller shell (4) arranged at the center of the bottom of a top heat preservation layer (5) on the top of a hearth (6), heating elements (8) are uniformly distributed on the upper and lower inner walls of fire walls (7) on two sides of the hearth (6), the S-shaped hot air diversion device is characterized by comprising an upper diversion plate (12) and a side wall diversion plate (14), wherein the upper diversion plate (12) is hung on the top heat preservation layer (5) through suspension columns (11), the side wall diversion plate (14) is fixed on the inner side of the fire walls (7) through side row columns (13), the upper diversion plate (12) is in butt joint with the side wall diversion plate (14) and forms an air diversion channel with the top heat preservation layer (5) and the fire walls (7), a through hole with a diameter larger than that of the impeller shell (4) is formed in the middle of the upper diversion plate (12), and a plurality of S-shaped diversion plates (15).
- 2. The S-shaped hot air guiding device of resistor furnaces according to claim 1, wherein the upper layer guide plate (12) is connected with the side wall guide plate (14) through a chamfer at the tail end of the upper layer guide plate (12), and the lower end of the side wall guide plate (14) is provided with a chamfer facing the inner side of the hearth (6) at a position lower than the bottom end of the heating element (8).
- 3. The S-shaped hot air guiding device of the resistance furnace, according to claim 2, wherein the angles of the chamfer at the end of the upper layer guide plate (12) and the chamfer at the lower end of the side wall guide plate (14) are both 40-60 degrees.
- 4. The S-shaped hot air guiding device of the resistance furnace according to claim 1, wherein 6S-shaped guide vanes (15) are vertically welded on the upper end surface of the upper guide vane (12) in the longitudinal direction around the central through hole axis symmetrically.
- 5. The S-shaped hot air guiding device of the resistance furnace is characterized in that the lower ends of the suspension columns (11) are fixedly suspended on the upper layer guide plate (12) through split pins, and the other ends of the side rows of columns (13) are transversely and vertically fixed on the side wall guide plate (14) through the split pins.
- 6. The kinds of S-shaped hot air guiding device of the resistance furnace, according to claim 1, wherein the suspension columns (11), the upper layer guide plates (12), the side row columns (13), the side wall guide plates (14) and the S-shaped guide plates (15) are all made of 1Cr18Ni9 Ti.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920155266.1U CN210001900U (en) | 2019-01-29 | 2019-01-29 | S-shaped hot air guiding device of resistance furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920155266.1U CN210001900U (en) | 2019-01-29 | 2019-01-29 | S-shaped hot air guiding device of resistance furnace |
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| CN210001900U true CN210001900U (en) | 2020-01-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532120A (en) * | 2021-09-16 | 2021-10-22 | 海门市鑫瑞船舶配件有限公司 | Balanced heating type resistance furnace |
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2019
- 2019-01-29 CN CN201920155266.1U patent/CN210001900U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532120A (en) * | 2021-09-16 | 2021-10-22 | 海门市鑫瑞船舶配件有限公司 | Balanced heating type resistance furnace |
| CN113532120B (en) * | 2021-09-16 | 2021-11-19 | 海门市鑫瑞船舶配件有限公司 | Balanced heating type resistance furnace |
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