CN109059544B - Copper and copper alloy pipe bar heating furnace - Google Patents
Copper and copper alloy pipe bar heating furnace Download PDFInfo
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- CN109059544B CN109059544B CN201810965411.2A CN201810965411A CN109059544B CN 109059544 B CN109059544 B CN 109059544B CN 201810965411 A CN201810965411 A CN 201810965411A CN 109059544 B CN109059544 B CN 109059544B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
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Abstract
The invention discloses a copper and copper alloy pipe bar heating furnace, which belongs to the field of heating furnaces and comprises a furnace shell, wherein a fireproof heat-insulating layer is arranged on the annular inner wall of the furnace shell, a furnace screen bottom plate is fixed at the lower part of the inner wall of the furnace shell, the outer edge of the furnace screen bottom plate penetrates through the fireproof heat-insulating layer, a furnace chamber cover is arranged in the annular fireproof heat-insulating layer and is fixed on the furnace screen bottom plate, a lower carbon-placing cavity is formed by the bottom surface of the furnace screen bottom plate, the inner wall of the furnace shell and the inner wall of the fireproof heat-insulating layer, an upper carbon-placing cavity is formed by the outer wall of the furnace chamber cover, the inner wall of the fireproof heat-insulating layer and the top surface of the furnace screen bottom plate, a furnace chamber is formed by the inner wall of the furnace chamber cover and the top surface of the furnace screen bottom plate, and a bar turnover mechanism is arranged in the furnace chamber. The copper and copper alloy pipe bar heating furnace disclosed by the invention can rapidly and uniformly heat copper and copper alloy pipe bars, has high stability, can greatly improve the production efficiency, has few equipment faults, is convenient to use and maintain, has low labor intensity of workers, low production cost and small potential safety hazard, and has long furnace life.
Description
Technical Field
The invention relates to the field of heating furnaces, in particular to a copper and copper alloy pipe and bar heating furnace.
Background
The slit type resistance furnace is one of main thermal processing equipment for metal materials and alloy material pipe bars at home and abroad, taking ZL 94-130 type slit type resistance furnace as an example, because of various objective reasons, equipment faults are high, the work efficiency is low, the smooth operation of production is seriously influenced, the production is a technical bottleneck of enterprise production, and the slit type resistance furnace mainly has the following problems:
1. the design of the power supply is insufficient. The power supply is lower than 30KW, and the speed is low and the required temperature cannot be reached when the large pipe bar is heated in an electric mode, so that the requirement of quick head making production is difficult to meet, the production efficiency is low, and the product yield is lower; if the temperature is increased, the resistance wire is easy to burn;
2. the structural design is unreasonable. (1) unreasonable heating element placement. The heating element is an OCr25Al5 high-resistance alloy wire with the diameter of 4 mm, and is arranged on the rear wall at two sides of the hearth and the brick rest at the bottom of the hearth after being connected in series, so that the middle links are more, the fault points of the resistance wire are more and the resistance wire is easy to damage, the furnace is required to be re-built and baked, the work intensity of workers is high, and the error work are caused; and (2) the space design of the hearth is small. After the heating element is used for a short time, phenomena such as cracks, kinks, brick falling off, short circuit and the like are easy to occur, so that the heating element is frequently overhauled and replaced, and the smooth production is affected; (3) the furnace lining is easy to damage. (1) Collapse. The furnace lining is easy to be impacted in the use process, so that collapse damage is caused; (2) the operation is inconvenient. The oxidized metal scraps in the furnace are usually required to be removed, the furnace lining is easy to damage, and the furnace lining is very inconvenient; (3) the refractory material is cracked. In the use process, the refractory material is cracked and damaged due to rapid temperature rise;
3. the production cost is too high. Because the service life of the heating element is short, the maintenance and the replacement are frequent, the maintenance cost is greatly increased, and the cost of miswork and mistakes is increased, so that the economic benefit is seriously influenced;
4. there is a safety hazard. Operators often cause short circuits due to improper use of phase to phase, insulation between the extraction bars and the furnace shell, severely affecting personal and equipment safety.
5. The heating temperature of the metal tube bar is not uniform. Especially when heating big pipe bar material, furnace temperature is inhomogeneous, influences the metal pipe bar material phase transition, and then influences the quality of pipe bar material and the going on of follow-up process.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the invention is to provide the copper and copper alloy pipe bar heating furnace which can rapidly and uniformly heat copper and copper alloy pipe bars, and has the advantages of high stability, low production cost, small potential safety hazard and long furnace life.
The technical scheme adopted by the invention is as follows:
the invention provides a copper and copper alloy pipe bar heating furnace, which comprises a furnace shell, wherein a fireproof heat-insulating layer is arranged on the annular inner wall of the furnace shell, a furnace screen bottom plate is fixed at the lower part of the inner wall of the furnace shell, the outer edge of the furnace screen bottom plate penetrates through the fireproof heat-insulating layer, a furnace chamber cover is arranged in the annular fireproof heat-insulating layer and is fixed on the furnace screen bottom plate, a lower carbon-placing cavity is formed by the bottom surface of the furnace screen bottom plate, the inner wall of the furnace shell and the inner wall of the fireproof heat-insulating layer, an upper carbon-placing cavity is formed by the outer wall of the furnace chamber cover, the inner wall of the fireproof heat-insulating layer and the top surface of the furnace screen bottom plate, and a furnace chamber cavity is formed by the inner wall of the furnace chamber cover and the top surface of the furnace screen bottom plate.
As a further improvement of the scheme, the bar overturning mechanism comprises a material carrying plate arranged on the top surface of the bottom plate of the furnace screen, a left pushing mechanism and a right pushing mechanism arranged on two sides of the top of the material carrying plate, a left cylinder and a right cylinder are respectively arranged on the outer walls of two sides of the furnace shell, the middle part of a side wall of the left pushing mechanism is connected with a left push rod on the left cylinder, the middle part of a side wall of the right pushing mechanism is connected with a right push rod on the right cylinder, and a plurality of first through holes are formed in the material carrying plate.
As a further improvement of the scheme, the left pushing mechanism comprises a left supporting rod connected with the left pushing rod and a plurality of left supporting blocks fixed on the left supporting rod, one end of each left supporting block is hinged with a left limiting connecting block, one end of each left limiting connecting block is fixed with a left pushing block, and the left pushing blocks are positioned on the same side of the left supporting rod; the right pushing mechanism comprises a right supporting rod connected with the right pushing rod and a plurality of right supporting blocks fixed on the right supporting rod, one end of each right supporting block is hinged with a right limiting connecting block, and one end of each right limiting connecting block is fixed with a right pushing block; and the right pushing blocks are all positioned on the same side of the right supporting rod.
As a further improvement of the scheme, the middle part of the material carrying plate protrudes upwards, so that a left inclined plane and a right inclined plane are formed on two sides of the upper surface of the material carrying plate, a left material baffle plate is arranged on the left inclined plane, and a right material baffle plate is arranged on the right inclined plane.
As a further improvement of the scheme, T-shaped sliding rails are fixed on two sides of the furnace screen bottom plate in the hearth cavity, and the material carrying plate is slidably connected to the T-shaped sliding rails.
As a further improvement of the scheme, an upper supporting plate is arranged on the top wall of the upper carbon cavity, the outer edge of the upper supporting plate penetrates through the refractory insulation layer and is fixed on the inner wall of the furnace shell, a plurality of first carbon inlet holes are formed in the middle of the upper supporting plate, a plurality of second carbon inlet holes are formed in the periphery of the first carbon inlet holes in the upper supporting plate, and the first carbon inlet holes and the second carbon inlet holes are all located at the top of the upper carbon cavity; the upper ends of the first carbon inlet holes and the upper ends of the second carbon inlet holes are connected with carbon inlet pipes, the bottom ends of the carbon inlet pipes are communicated with the upper carbon cavity, and the top ends of the carbon inlet pipes penetrate through the refractory heat insulation layer and the top of the furnace shell and are communicated with the outside of the furnace shell.
As a further improvement of the scheme, a plurality of second through holes are formed in the furnace screen bottom plate, and the second through holes are all located below the upper carbon cavity and the hearth cavity.
As a further improvement of the scheme, a conical fume exhaust hood is arranged at the top of the furnace shell and detachably connected with the furnace shell, and a fume exhaust pipe is arranged at the top end of the conical fume exhaust hood.
As a further improvement of the scheme, a blower is arranged below the furnace shell, a plurality of air inlets are formed in the rear side wall of the lower carbon placing cavity, the air inlets are communicated with the blower through pipelines, and butterfly valves are arranged on the pipelines close to the air inlets.
As a further improvement of the scheme, a heat preservation furnace door is arranged on the side wall of the furnace shell close to the hearth cavity, and an ash discharging furnace door is arranged on the side wall of the lower carbon placing cavity.
Compared with the prior art, the invention has the beneficial effects that:
according to the copper and copper alloy pipe bar heating furnace provided by the invention, the lower carbon placing cavity and the upper carbon placing cavity are arranged, charcoal in the lower carbon placing cavity and charcoal in the upper carbon placing cavity are burnt and heated, the lower carbon placing cavity heats the lower part of the hearth cover, the upper carbon placing cavity heats the periphery and the upper part of the hearth cover, the lower carbon placing cavity and the upper carbon placing cavity heat the hearth cover in a compact package, the temperature in the hearth cavity can be rapidly increased, the temperature of each part in the hearth cavity is uniform, the rapid heating of pipe bars and larger pipe bars can be met, the production efficiency can be greatly improved, the hearth is heated in a surrounding manner through charcoal, the heating is rapid, the fault risk of resistance wire burning damage is avoided, the resistance wire is not required to be replaced, the stability is high, the labor intensity of workers is low, and the production cost is low;
by arranging the hearth cavity in the hearth cover, when the pipe rod material to be heated is fed into the hearth cavity, even if the pipe rod material hits the hearth cover, the fire-resistant heat-insulating layer cannot be damaged due to the fact that the carbon-containing cavities are arranged around the hearth cover, the furnace lining is not easy to damage, and the equipment use stability is high;
through setting up the stick mechanism that turns over in furnace intracavity, can overturn the tubular bar, make its each position be heated more evenly, prevent that the inside tissue phase transition of metal from uneven, improve the heat stability of tubular metal resonator bar, through setting up the fire-resistant heat preservation in the outside in lower charcoal chamber and upper charcoal chamber, guarantee the persistence of lower charcoal chamber and upper charcoal intracavity temperature, slow down the loss of temperature, guarantee the heating effect in the furnace intracavity.
Drawings
FIG. 1 is a schematic cross-sectional view of a copper and copper alloy tube and bar heating furnace according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the A-A direction of FIG. 1 provided in an embodiment of the present invention;
FIG. 3 is a schematic diagram of the front view of a heating furnace for copper and copper alloy pipe bars according to the embodiment of the present invention;
FIG. 4 is a schematic view of the structure of a furnace screen floor provided in an embodiment of the present invention;
fig. 5 is a schematic structural view of an upper support plate provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a left pushing mechanism according to an embodiment of the present invention.
In the figure:
1. a furnace shell; 2. a refractory insulation layer; 3. a furnace screen bottom plate; 31. a T-shaped slide rail; 32. a second through hole; 4. a furnace cover; 5. a charcoal cavity is arranged below; 51. an air inlet; 52. butterfly valve; 53. an ash discharging furnace door; 6. a charcoal cavity is arranged on the upper part; 7. a furnace chamber; 71. a heat preservation furnace door; 8. a material carrying plate; 81. a left pushing mechanism; 82. a right pushing mechanism; 83. a first through hole; 84. a left inclined surface; 85. a right inclined surface; 86. a left baffle plate; 87. a right baffle plate; 11. a left cylinder; 12. a right cylinder; 13. a left push rod; 14. a right push rod; 15. a left strut; 16. a left support block; 17. a left limit connecting block; 18. a left pushing block; 10. an upper support plate; 101. a first carbon inlet hole; 102. a second carbon inlet hole; 19. a carbon inlet pipe; 20. a conical fume extraction hood; 21. a smoke exhaust pipe; 22. a blower.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings and the technical solutions that are needed in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the heating furnace for copper and copper alloy pipe and bar provided by the embodiment comprises a furnace shell 1, wherein the furnace shell 1 is formed by welding steel plates and angle steel, the manufacturing cost is low, four supporting legs for supporting the furnace shell 1 are arranged at the bottom of the furnace shell 1, a fireproof heat-insulating layer 2 is arranged on the annular inner wall of the furnace shell 1, a furnace screen bottom plate 3 is fixed at the lower part of the inner wall of the furnace shell 1, the outer edge of the furnace screen bottom plate 3 penetrates through the fireproof heat-insulating layer 2, a furnace chamber cover 4 is arranged in the annular fireproof heat-insulating layer 2, the furnace chamber cover 4 is fixed on the furnace screen bottom plate 3, a lower carbon cavity 5 is formed by the bottom surface of the furnace screen bottom plate 3, the inner wall of the furnace chamber cover 4, the inner wall of the fireproof heat-insulating layer 2 and the top surface of the furnace screen bottom plate 3, an upper carbon cavity 6 wraps the periphery and the top of the furnace chamber cover 4, the inner wall of the hearth cover 4 and the top surface of the hearth screen bottom plate 3 form a hearth cavity 7, a rod turning mechanism is arranged in the hearth cavity 7, the hearth cavity 7 is used for placing copper and copper alloy pipe bars to be heated, the upper charcoal cavity 6 and the lower charcoal cavity 5 are used for placing charcoal for heating, the hearth screen bottom plate 3 is heated through the combustion heat release of the charcoal in the lower charcoal cavity 5, the lower part of the hearth cavity 7 is heated, the periphery and the top of the hearth cover 4 are heated through the combustion heat release of the charcoal in the upper charcoal cavity 6, the periphery and the upper part of the hearth cavity 7 are heated, the charcoal in the upper charcoal cavity 6 and the lower charcoal cavity 5 compactly wraps all sides of the hearth cover 4, the temperature in the hearth cavity 7 can be rapidly increased, and the temperature of all parts in the hearth cavity 7 is rapidly increased and is uniform with extremely small temperature difference due to the uniform heating of all sides of the hearth cover 4, the method is favorable for uniform change of internal structures of the copper and copper alloy pipe bars in the heat treatment process, improves the heat treatment quality of the copper and copper alloy pipe bars, realizes rapid and uniform heating of the copper and copper alloy pipe bars, can greatly improve the production and processing efficiency, and has the advantages of good heating stability and low production cost by using charcoal to replace heating elements such as nickel-chromium alloy and the like which are expensive in a conventional slit-type resistance furnace, no risk of damage faults of resistance wires and the like. Through setting up the furnace cover 4 that forms by the steel sheet welding, when sending into the interior furnace chamber 7 of furnace cover 4 with copper and copper alloy pipe rod to be handled, even strike furnace cover 4, because of the outside shock attenuation isolation effect of upper charcoal chamber 6 of furnace cover 4 and lower charcoal chamber 5, can not damage refractory insulation layer 2, equipment stability is high. The fireproof heat-insulating layer 2 consists of a ceramic fiber layer and a large straight brick layer arranged outside the ceramic fiber layer, has high refractoriness and good heat-insulating performance, and can ensure the temperature stability in the hearth cavity 7.
In order to facilitate the overturning and heating of copper and copper alloy pipe bars and lead the copper and copper alloy pipe bars to be heated more uniformly, further, the bar overturning mechanism comprises a material carrying plate 8 arranged on the top surface of a furnace screen bottom plate 3, a left pushing mechanism 81 and a right pushing mechanism 82 arranged on two sides above the material carrying plate 8, a left cylinder 11 and a right cylinder 12 are respectively arranged on the outer walls of two sides of the furnace shell 1, the middle part of one side wall of the left pushing mechanism 81 is connected with a left push rod 13 on the left cylinder 11, the middle part of one side wall of the right pushing mechanism 82 is connected with a right push rod 14 on the right cylinder 12, the left pushing mechanism 81 comprises a left support rod 15 connected with the left push rod 13, a plurality of left support blocks 16 fixed on the left support rod 15, one end of each left support block 16 is hinged with a left limit connecting block 17, one end of each left limit connecting block 17 is fixed with a left pushing block 18, the number of the left supporting blocks 16, the left limiting connecting blocks 17 and the left pushing blocks 18 is two in the embodiment, the right pushing mechanism 82 comprises a right supporting rod connected with the right pushing rod 12 and a plurality of right supporting blocks fixed on the right supporting rod, one end of each right supporting block is hinged with a right limiting connecting block, one end of each right limiting connecting block is fixed with a right pushing block, the right pushing blocks are located on the same side of the right supporting rod, the number of the right supporting blocks, the right limiting connecting blocks and the right pushing blocks is two in the embodiment, and the tube bar material can be stably pushed by arranging the two left pushing blocks 18 and the two right pushing blocks, so that the tube bar material is not easy to incline and deviate, and the tube bar is prevented from rolling. When in work, copper and copper alloy pipe bars to be subjected to heating treatment are placed on the material carrying plate 8, the left push rod 13 is driven to move by the left cylinder 11, the left push rod 13 drives the left support rod 15 to move towards the direction of the right support rod in the hearth cavity 7, the left support rod 15 drives the left limit connecting block 17 to move by the left support blocks 15 fixed at the two ends of the left support rod 15, the left limit connecting block 17 drives the left material pushing block 18 to move on the material carrying plate 8, the left material pushing block 18 pushes the copper and copper alloy pipe bars on the material carrying plate 8, the copper and copper alloy pipe bars roll from the left side of the material carrying plate 8 to the right side of the material carrying plate 8, the right push rod 14 is driven to move by the right cylinder 12, the right push rod 14 drives the right support rod to move towards the direction of the left support rod in the hearth cavity 7, the right support rod drives the right limit connecting block to act through the right support blocks fixed at the two ends of the right support rod, the right limit connecting block drives the right push block to move on the material carrying plate 8, the right push block pushes the copper and copper alloy pipe bars on the material carrying plate 8, the copper and copper alloy pipe bars roll from the right side of the material carrying plate 8 to the left side of the material carrying plate 8, so that the copper and copper alloy pipe bars roll continuously on the material carrying plate 8, the heating is more uniform, the tissue phase change uneven caused by overlarge temperature difference inside and outside metal is prevented, and the heat treatment quality of the copper and copper alloy pipe bars is more stable. The material carrying plate 8 is provided with a plurality of first through holes 83, so that when copper and copper alloy pipe bars roll on the material carrying plate 8, oxidized metal scraps fall on the furnace screen bottom plate 3 from the first through holes 83, and cleaning is more convenient.
In order to increase the overturning speed of the copper and copper alloy pipe bar on the material carrying plate 8, further, the middle part of the material carrying plate 8 is upwards protruded, so that a left inclined plane 84 and a right inclined plane 85 are formed on two sides of the upper surface of the material carrying plate 8, the left pushing mechanism 81 pushes the pipe bar from the lower side of the left inclined plane 84 to the higher side of the right inclined plane 85, so that the pipe bar automatically rolls to the lower side of the right inclined plane 85 from the higher side of the right inclined plane 85 under the action of gravity, and when the right pushing mechanism 82 pushes the pipe bar to the higher side of the right inclined plane 85, the pipe bar automatically rolls to the lower side of the left inclined plane 84 from the higher side of the left inclined plane 84, so that the overturning speed of the pipe bar can be increased, the overturning efficiency can be improved, and the heating of the pipe bar can be more uniformly. The left inclined surface 84 is provided with a left baffle plate 86, the right inclined surface 85 is provided with a right baffle plate 87, the left baffle plate 86 and the right baffle plate 87 are used for blocking the pipe bar, firstly, the pipe bar is prevented from falling from the lower side of the left inclined surface 84 and the right inclined surface 85 during feeding, secondly, the pipe bar is prevented from being piled up on the lower side of the left inclined surface 84 and the right inclined surface 85, and the pipe bar is not beneficial to rolling by the left pushing mechanism 81 and the right pushing mechanism 82.
In order to facilitate the placement and the taking out of copper and copper alloy pipe bars, further, the two sides of the furnace screen bottom plate 3 in the hearth cavity 7 are fixedly provided with T-shaped sliding rails 31, the material carrying plate 8 is slidably connected to the T-shaped sliding rails 31, when the material is required to be loaded, the material carrying plate 8 can be pulled out, the copper and copper alloy pipe bars to be subjected to heat treatment can be conveniently placed on the material carrying plate 8, when the material is unloaded, the material carrying plate 8 is pulled out, the pipe bars after heat treatment can be conveniently taken out, the material loading and the unloading are convenient, the tool is not required to be used for extending into the furnace for loading and unloading, the high-temperature burning can be prevented, and the furnace is safer. A heat-insulating furnace door 71 is arranged on the side wall of the furnace shell 1 near the hearth cavity 7, and the heat-insulating furnace door 71 is opened to facilitate the feeding and the taking out of the pipe and rod materials into and from the hearth cavity 7.
In order to make the internal structure of the copper and copper alloy pipe bar heating furnace firmer, further, an upper support plate 10 is arranged on the top wall of the upper carbon cavity 6, the outer edge of the upper support plate 10 penetrates through the refractory insulation layer 2 and is welded and fixed on the inner wall of the furnace shell 1, the upper support plate 10 can support the refractory insulation layer 2 positioned on the inner top wall of the furnace shell 1, the refractory insulation material is prevented from falling into the upper carbon cavity 6 and from collapsing of the refractory insulation layer 2, the internal structural stability of the copper and copper alloy pipe bar heating furnace is enhanced, and the structure of the upper carbon cavity 6 is firmer. In order to facilitate adding charcoal in the upper charcoal cavity 6, further, two first charcoal inlet holes 101 have been seted up at the middle part of upper backup pad 10, six second charcoal inlet holes 102 have been seted up all around to being located first charcoal inlet holes 101 on the upper backup pad 10, two first charcoal inlet holes 101 and six second charcoal inlet holes 102 all are located the top of upper charcoal cavity 6, the upper end of two first charcoal inlet holes 101 and the upper end of six second charcoal inlet holes 102 all are connected with into charcoal pipe 19, the bottom of charcoal pipe 19 is linked together with upper charcoal cavity 6, the top of charcoal pipe 19 runs through refractory insulation layer 2 and the shell top of stove outer covering 1 and is linked together with the outside of stove outer covering 1, two first charcoal inlet holes 101 evenly distributed are in the top intermediate position of hearth cover 4, through adding charcoal to into charcoal pipe 19, charcoal can fall into and distribute the top of hearth cover 4 of upper charcoal cavity 6 evenly through two first charcoal inlet holes 101, six second charcoal inlet holes 102 evenly distribute in hearth cover 4 evenly on top of hearth 6, thereby the charcoal pipe 4 is filled with charcoal cavity 6 evenly, thereby the charcoal pipe is filled up in charcoal cavity 6 evenly through six charcoal inlet holes evenly distributed on top of hearth 4, thereby the whole charcoal cavity is filled up and is better in the hearth 4, thereby the effect of heating charcoal cavity is better.
In order to improve the heating effect of charcoal combustion in the lower charcoal cavity 5 on the hearth cavity 7, further, a plurality of second through holes 32 are formed in the furnace screen bottom plate 3, the second through holes 32 are all located below the upper charcoal cavity 6 and the hearth cavity 7, charcoal in the lower charcoal cavity 5 is combusted and heated, heat can be rapidly sent into the hearth cavity 7 through the second through holes 32, the temperature rising speed in the hearth cavity 7 is further improved, the heating effect on copper and copper alloy pipe bars is further improved, and chips generated after charcoal combustion in the upper charcoal cavity 6 and oxidized metal chips generated in the hearth cavity 7 can fall into the lower charcoal cavity 5 through the second through holes 32, so that centralized cleaning is facilitated, cleaning is more convenient, the chips after charcoal combustion are prevented from accumulating, and the heating effect of the upper charcoal cavity 6 on the hearth cover 4 is affected. An ash discharging furnace door 53 is arranged on the side wall of the lower carbon cavity 5, charcoal can be sent into the lower carbon cavity 5 by opening the ash discharging furnace door 53, and scraps and dust accumulated in the lower carbon cavity 5 can be conveniently discharged.
In order to facilitate the discharge of smoke dust in the copper and copper alloy pipe bar heating furnace, further, the top of the furnace shell 1 is provided with a conical smoke exhaust hood 20 with a small upper part and a big lower part, the conical smoke exhaust hood 20 is detachably connected with the furnace shell 1, the top end of the conical smoke exhaust hood 20 is provided with a smoke exhaust pipe 21, smoke dust generated by the combustion of charcoal in the lower charcoal cavity 5 and the upper charcoal cavity 6 is discharged into the conical smoke exhaust hood 20 through a charcoal inlet pipe 19, and the smoke dust is uniformly collected or discharged outdoors through the smoke exhaust pipe 21 at the top of the conical smoke exhaust hood 20.
In order to enhance the heat supply effect, further, the lower part of the furnace shell 1 is provided with a blower 22, the rear side wall of the lower carbon cavity 5 is provided with a plurality of air inlets 51, the air inlets 51 are communicated with the blower 22 through pipelines, butterfly valves 52 are arranged on the pipelines close to the air inlets 51, the blower 22 is a CZR blower, the air quantity is 32m3/h, the air pressure is 1180Pa, the blower 22 is used for blowing air, and the air inlets 51 are fed through the pipelines so as to increase the oxygen content in the lower carbon cavity 5 and the upper carbon cavity 6, thereby being beneficial to the full combustion of charcoal, enhancing the heat supply effect on the hearth cover 4 and preventing the insufficient combustion of charcoal to generate harmful gases such as carbon monoxide. And the air supply quantity can be controlled by the butterfly valve 52, so that the temperature and the temperature lifting speed in the hearth cavity 7 can be relatively adjusted.
The copper and copper alloy pipe bar heating furnace provided by the embodiment can fully utilize the seam type resistance furnace which is idle or scrapped at present by enterprises, and can be manufactured by processing and reforming on the basis of the seam type resistance furnace, so that idle equipment is coiled, new equipment is not required to be added, and equipment purchasing funds are saved.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the invention is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (7)
1. The utility model provides a copper and copper alloy pipe rod heating furnace, includes stove outer covering (1), its characterized in that:
a fireproof heat-insulating layer (2) is arranged on the annular inner wall of the furnace shell (1), a furnace screen bottom plate (3) is fixed at the lower part of the inner wall of the furnace shell (1), the outer edge of the furnace screen bottom plate (3) penetrates through the fireproof heat-insulating layer (2), a hearth cover (4) is arranged in the annular fireproof heat-insulating layer (2), and the hearth cover (4) is fixed on the furnace screen bottom plate (3);
the bottom surface of the furnace screen bottom plate (3), the inner wall of the furnace shell (1) and the inner wall of the refractory heat-insulating layer (2) form a lower carbon-placing cavity (5), the outer wall of the furnace chamber cover (4), the inner wall of the refractory heat-insulating layer (2) and the top surface of the furnace screen bottom plate (3) form an upper carbon-placing cavity (6), the inner wall of the furnace chamber cover (4) and the top surface of the furnace screen bottom plate (3) form a furnace chamber (7), and a bar overturning mechanism is arranged in the furnace chamber (7);
the bar overturning mechanism comprises a material carrying plate (8) arranged on the top surface of the furnace screen bottom plate (3), a left pushing mechanism (81) and a right pushing mechanism (82) arranged on two sides above the material carrying plate (8);
a left cylinder (11) and a right cylinder (12) are respectively arranged on the outer walls of the two sides of the furnace shell (1);
the middle part of one side wall of the left pushing mechanism (81) is connected with a left push rod (13) on the left cylinder (11), and the middle part of one side wall of the right pushing mechanism (82) is connected with a right push rod (14) on the right cylinder (12);
a plurality of first through holes (83) are formed in the material carrying plate (8);
the middle part of the material carrying plate (8) is upwards protruded, so that a left inclined surface (84) and a right inclined surface (85) are formed on two sides of the upper surface of the material carrying plate (8);
a left striker plate (86) is arranged on the left inclined surface (84), and a right striker plate (87) is arranged on the right inclined surface (85);
the furnace screen bottom plate (3) is provided with a plurality of second through holes (32), and the second through holes (32) are all positioned below the upper carbon cavity (6) and the hearth cavity (7).
2. The copper and copper alloy tube and bar heating furnace according to claim 1, wherein:
the left pushing mechanism (81) comprises a left supporting rod (15) connected with the left pushing rod (13), a plurality of left supporting blocks (16) fixed on the left supporting rod (15), a left limiting connecting block (17) is hinged to one end of each left supporting block (16), and a left pushing block (18) is fixed to one end of each left limiting connecting block (17); a plurality of left pushing blocks (18) are positioned on the same side of the left supporting rod (15);
the right pushing mechanism (82) comprises a right supporting rod connected with the right pushing rod (14) and a plurality of right supporting blocks fixed on the right supporting rod, one end of each right supporting block is hinged with a right limiting connecting block, and one end of each right limiting connecting block is fixed with a right pushing block; and the right pushing blocks are all positioned on the same side of the right supporting rod.
3. The copper and copper alloy tube and bar heating furnace according to claim 1, wherein:
t-shaped sliding rails (31) are fixed on two sides of the furnace screen bottom plate (3) in the hearth cavity (7), and the material carrying plate (8) is slidably connected to the T-shaped sliding rails (31).
4. The copper and copper alloy tube and bar heating furnace according to claim 1, wherein:
an upper supporting plate (10) is arranged on the top wall of the upper carbon cavity (6), and the outer edge of the upper supporting plate (10) penetrates through the fireproof heat-insulating layer (2) and is fixed on the inner wall of the furnace shell (1);
a plurality of first carbon inlet holes (101) are formed in the middle of the upper supporting plate (10), and a plurality of second carbon inlet holes (102) are formed in the periphery of the first carbon inlet holes (101) on the upper supporting plate (10); the plurality of first carbon inlet holes (101) and the plurality of second carbon inlet holes (102) are positioned at the top of the upper carbon cavity (6);
the upper ends of a plurality of first carbon inlet holes (101) and the upper ends of a plurality of second carbon inlet holes (102) are connected with a carbon inlet pipe (19), the bottom end of the carbon inlet pipe (19) is communicated with the upper carbon cavity (6), and the top end of the carbon inlet pipe (19) penetrates through the refractory heat insulation layer (2) and the top of the furnace shell (1) and is communicated with the outside of the furnace shell (1).
5. The copper and copper alloy tube and bar heating furnace according to claim 1, wherein:
the top of stove outer covering (1) is provided with toper fume extraction cover (20), toper fume extraction cover (20) detachably with stove outer covering (1) is connected, the top of toper fume extraction cover (20) is provided with fume extraction pipe (21).
6. The copper and copper alloy tube and bar heating furnace according to claim 1, wherein:
a blower (22) is arranged below the furnace shell (1), a plurality of air inlets (51) are formed in the rear side wall of the lower carbon placing cavity (5), and the air inlets (51) are communicated with the blower (22) through pipelines;
butterfly valves (52) are arranged on the pipelines close to the air inlets (51).
7. The copper and copper alloy tube and bar heating furnace according to claim 1, wherein:
a heat-insulating furnace door (71) is arranged on the side wall of the furnace shell (1) at a position close to the hearth cavity (7);
an ash discharging furnace door (53) is arranged on the side wall of the lower carbon placing cavity (5).
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| CN201810965411.2A CN109059544B (en) | 2018-08-23 | 2018-08-23 | Copper and copper alloy pipe bar heating furnace |
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| CN109059544B true CN109059544B (en) | 2023-09-29 |
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| CN112460999A (en) * | 2020-09-14 | 2021-03-09 | 郎溪浩良锻造有限公司 | Heating equipment for preparing concrete mixer parts |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11246912A (en) * | 1998-03-05 | 1999-09-14 | Tokyo Gas Co Ltd | Heating furnace for small size bar material and heating method in the same furnace for the same |
| CN2581452Y (en) * | 2002-11-13 | 2003-10-22 | 沈阳工业学院 | Non-ferrous metal casting coke oven |
| CN2650043Y (en) * | 2003-09-18 | 2004-10-20 | 刘森麟 | Blast-free coke melting-holding furnace |
| CN103223456A (en) * | 2013-02-22 | 2013-07-31 | 艾立东 | Energy-saving type forging heating furnace |
| CN203177641U (en) * | 2013-04-26 | 2013-09-04 | 宁波盛发铜业有限公司 | Automatic copper bar heating furnace |
| CN203462093U (en) * | 2013-10-11 | 2014-03-05 | 大理州四方实业总公司钢板弹簧厂 | Improved steel plate spring heating furnace |
| CN204514030U (en) * | 2015-02-06 | 2015-07-29 | 浙江源创电子科技有限公司 | Pottery electric kiln |
| CN206377691U (en) * | 2017-01-18 | 2017-08-04 | 尹道烈 | Energy-conserving and environment-protective point charcoal machine |
| CN207118560U (en) * | 2017-05-22 | 2018-03-20 | 绍兴市柯桥区舜源茶业有限公司 | A kind of simple energy-efficient tea drier |
-
2018
- 2018-08-23 CN CN201810965411.2A patent/CN109059544B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11246912A (en) * | 1998-03-05 | 1999-09-14 | Tokyo Gas Co Ltd | Heating furnace for small size bar material and heating method in the same furnace for the same |
| CN2581452Y (en) * | 2002-11-13 | 2003-10-22 | 沈阳工业学院 | Non-ferrous metal casting coke oven |
| CN2650043Y (en) * | 2003-09-18 | 2004-10-20 | 刘森麟 | Blast-free coke melting-holding furnace |
| CN103223456A (en) * | 2013-02-22 | 2013-07-31 | 艾立东 | Energy-saving type forging heating furnace |
| CN203177641U (en) * | 2013-04-26 | 2013-09-04 | 宁波盛发铜业有限公司 | Automatic copper bar heating furnace |
| CN203462093U (en) * | 2013-10-11 | 2014-03-05 | 大理州四方实业总公司钢板弹簧厂 | Improved steel plate spring heating furnace |
| CN204514030U (en) * | 2015-02-06 | 2015-07-29 | 浙江源创电子科技有限公司 | Pottery electric kiln |
| CN206377691U (en) * | 2017-01-18 | 2017-08-04 | 尹道烈 | Energy-conserving and environment-protective point charcoal machine |
| CN207118560U (en) * | 2017-05-22 | 2018-03-20 | 绍兴市柯桥区舜源茶业有限公司 | A kind of simple energy-efficient tea drier |
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