CN204434675U - Continuous high-temperature heat treatment furnace - Google Patents
Continuous high-temperature heat treatment furnace Download PDFInfo
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- CN204434675U CN204434675U CN201520062149.2U CN201520062149U CN204434675U CN 204434675 U CN204434675 U CN 204434675U CN 201520062149 U CN201520062149 U CN 201520062149U CN 204434675 U CN204434675 U CN 204434675U
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- heating element
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Abstract
Continuous high-temperature heat treatment furnace, comprising: body of heater, and body of heater central authorities are provided with carbon pipe heating element; Inlet section and outlet section, be separately positioned on the relative both sides of body of heater and be axially communicated with carbon pipe heating element; The import of inlet section is opening end, week of opening end along on be provided with burner; The outlet of outlet section is provided with sealing cover, and on outlet section, be also provided with protection gas entrance; And propulsion system, comprise motor and by motor-driven precision lead screw, propulsion system is used for pushing material to outlet section from inlet section through carbon pipe heating element.The serialization thermal treatment to material can be realized according to continuous high-temperature heat treatment furnace of the present utility model, can effectively prevent again the oxygen in outside air from entering oxidation to material and heating element in stove.Relative to intermittent type heat treatment furnace, can greatly save energy consumption and enhance productivity.
Description
Technical field
The utility model relates to a kind of continuous high-temperature heat treatment furnace.
Background technology
At field of industrial production; often need under non-oxygen (air) atmosphere, to carry out high-temperature heat treatment (being such as greater than 1300 DEG C) to material; the airtight burner hearth of usual employing is vacuumizing or logical shielding gas carries out high-temperature heat treatment; the intensification thermal treatment of next batch material is carried out again after needing cooling down after processing a batch materials; the mode of this interval not only consume energy and the time cycle long, inefficiency.
Utility model content
The purpose of this utility model is for problems of the prior art, provides a kind of continuous high-temperature heat treatment furnace, and material can be made in the environment of starvation to carry out continuous high-temperature thermal treatment.
According to continuous high-temperature heat treatment furnace of the present utility model, comprising:
Body of heater, body of heater central authorities are provided with carbon pipe heating element;
Inlet section and outlet section, be separately positioned on the relative both sides of body of heater and be axially communicated with carbon pipe heating element; The import of inlet section is opening end, week of opening end along on be provided with burner; The outlet of outlet section is provided with sealing cover, and on outlet section, be also provided with protection gas entrance;
Propulsion system, comprises motor and by motor-driven precision lead screw, propulsion system is used for pushing material to outlet section from inlet section through carbon pipe heating element.
Preferably, wherein inlet section and outlet section are made of metal, and are tightly connected with sidewall of the furnace body respectively, and connection section is provided with water jacket.
Preferably, wherein burner has ring nozzle, around being arranged on the periphery wall of opening end.
Preferably, wherein the fltting speed scope of propulsion system is 10mm/min-50mm/min.
Preferably, wherein the length of carbon pipe heating element is 1.5-3m, and the length of inlet section and outlet section is respectively 0.5-2m.
The serialization thermal treatment to material can be realized according to continuous high-temperature heat treatment furnace of the present utility model, can effectively prevent again the oxygen in outside air from entering oxidation to material and heating element in stove.Relative to intermittent type heat treatment furnace, can greatly save energy consumption and enhance productivity.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of continuous high-temperature heat treatment furnace of the present utility model.
Embodiment
Continuous high-temperature heat treatment furnace of the present utility model is further described referring to Fig. 1.It should be appreciated by those skilled in the art that cited embodiment is just in order to better understand and realize the utility model, is not limited to the utility model.
Continuous high-temperature heat treatment furnace of the present utility model mainly comprises body of heater 1, inlet section 4, outlet section 5 and propulsion system 11.Body of heater 1 central authorities are provided with carbon pipe heating element 2, and carbon pipe heating element 2 is connected with power supply, can produce the heat district of 1400-2200 DEG C after the energising of carbon pipe heating element 2 in pipe.The periphery of carbon pipe heating element 2 is provided with thermal insulation layer 3, and thermal insulation layer 3 can be reeled by staple fibre charcoal felt and form.Inlet section 4 and outlet section 5 are separately positioned on the arranged on left and right sides of body of heater 1, and inlet section 4 and outlet section 5 are made up of metal (such as stainless steel or superalloy) usually.Inlet section 4 and outlet section 5 all have the inner chamber be axially communicated with carbon pipe heating element 2, the conveniently turnover of material, and inlet section 4, outlet section 5 preferably have the pipe of same inner diameter with carbon pipe heating element 2 and coaxially arrange.Inlet section 4 and outlet section 5 are tightly connected with the left and right sidewall of body of heater 1 respectively, when being connected and sealed by sealing-ring, can arrange water jacket 6 at connection section.When heat treatment furnace heats, in water jacket 6, pass into recirculated cooling water connection section is cooled, to ensure the sealing function of sealing-ring.
Also see Fig. 1, the import of inlet section 4 is opening end 9, week of opening end 9 along on be provided with burner 7.Burner 7 has ring nozzle, and the periphery wall around opening end 9 is arranged.Be connected with flammable source of the gas (such as Sweet natural gas or liquefied petroleum gas (LPG)) by tracheae.In material heat treatment process, burner 7 is burn combustible gas continuously, thus the oxygen depletion at opening end 9 place can be fallen, and stops oxygen to enter in inlet section 4 and carbon pipe heating element 2, thus can effectively prevent oxygen to the oxidation of material and carbon pipe heating element 2.The outlet of outlet section 5 is provided with sealing cover 10, and sealing cover 10 can be connected with the exit seal of sealing-ring with outlet section 5 by flange, thus can removably open and close.In addition, outlet section 5 is also provided with the protection gas entrance 8 with outlet section 5 inner space, protection gas entrance 8 is connected with shielding gas source (such as nitrogen).In heat treatment process, in stove, pass into shielding gas by protection gas entrance 8, shielding gas discharges from the opening end 9 of inlet section 4, and extraneous oxygen can be stoped further to stove internal diffusion.Further, when the material after thermal treatment outwards takes out from the outlet of outlet section 5 (take-off time is ofer short duration), oxygen also can be stoped from the outlet of outlet section 5 to stove internal diffusion.
Propulsion system 11 in the utility model is used for pushing material to outlet section 5 from inlet section 4 through carbon pipe heating element 2.Propulsion system 11 comprises motor and by motor-driven precision lead screw, motor adopts stepper-motor, can control precision lead screw and advance with the fltting speed of 10mm/min-50mm/min.In a specific embodiment of the present utility model, wherein the length of carbon pipe heating element 2 is 1.5-3m, and the length of inlet section 4 and outlet section 5 is respectively 0.5-2m.By the slow propelling of precision lead screw, the residence time of material in carbon pipe heating element 2 can control between 30min-300min, thus can meet the needs of different heat treatment time.
Continuous high-temperature heat treatment furnace of the present utility model can also comprise multiple controller (not shown), is used for controlling the heating power of carbon pipe heating element 2, the fltting speed of propulsion system 11, the state of combustion of burner 7 and the unlatching of shielding gas and flow etc. respectively.Multiple controller can integrated one-tenth central controller, can realize coordinated signals each other.Control principle and the structure of above-mentioned controller are all well known to those skilled in the art, and omit detailed description at this.Automatically can be controlled the operation of above-mentioned each parts by controller, handled easily also improves performance accuracy.
Continuous high-temperature heat treatment furnace of the present utility model can be used for carrying out high-temperature heat treatment to block, powdery or the various material such as bar-shaped, below for thermal treatment globars Heating element, the working method of continuous high-temperature heat treatment furnace of the present utility model is described.
See Fig. 1, load within the container 12 by the globars 13 after many premolding, container 12 can be circular or semicircle carbon tube.The container 12 being mounted with globars 13 is put into inlet section 4, according to the length of inlet section 4 and container 12, once can put into multiple container 12 by tandem, sealing cover 10 is closed, pass into nitrogen from protection gas entrance 8.The Heating temperature being set carbon pipe heating element 2 by controller is heated, and starts burner 7 burning combustible gas.Promote container 12 by propulsion system 11 and slow transit through carbon pipe heating element 2, the central section temperature of carbon pipe heating element 2 is set to 1400-1700 DEG C.After container 12 foremost arrives outlet section 5, can promptly open sealing cover 10, take out container 12 foremost, and then promptly close sealing cover 10.Again precision lead screw is return original position, in inlet section 4, add the container 12 that another is mounted with globars 13, then by propulsion system 11, container 12 is advanced to outlet section 5.Draw analogous conclusions, can heat-treat globars 13 incessantly, thus realize continuous prodution.Aforesaid operations method is only exemplary, and those skilled in the art can Reasonable adjustment or change the order of each operation steps as required, also can adopt other working method.
The serialization thermal treatment to material can be realized according to continuous high-temperature heat treatment furnace of the present utility model, can effectively prevent again the oxygen in outside air from entering oxidation to material and heating element in stove.Relative to intermittent type heat treatment furnace, can greatly save energy consumption and enhance productivity.
Claims (5)
1. a continuous high-temperature heat treatment furnace, is characterized in that, comprising:
Body of heater, body of heater central authorities are provided with carbon pipe heating element;
Inlet section and outlet section, be separately positioned on the relative both sides of body of heater and be axially communicated with carbon pipe heating element; The import of inlet section is opening end, week of opening end along on be provided with burner; The outlet of outlet section is provided with sealing cover, and on outlet section, be also provided with protection gas entrance;
Propulsion system, comprises motor and by motor-driven precision lead screw, propulsion system is used for pushing material to outlet section from inlet section through carbon pipe heating element.
2. continuous high-temperature heat treatment furnace as claimed in claim 1, it is characterized in that, wherein inlet section and outlet section are made of metal, and are tightly connected with sidewall of the furnace body respectively, and connection section is provided with water jacket.
3. continuous high-temperature heat treatment furnace as claimed in claim 1, it is characterized in that, wherein burner has ring nozzle, around being arranged on the periphery wall of opening end.
4. continuous high-temperature heat treatment furnace as claimed in claim 1, it is characterized in that, wherein the fltting speed scope of propulsion system is 10mm/min-50mm/min.
5. continuous high-temperature heat treatment furnace as claimed in claim 1, it is characterized in that, wherein the length of carbon pipe heating element is 1.5-3m, and the length of inlet section and outlet section is respectively 0.5-2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062149.2U CN204434675U (en) | 2015-01-28 | 2015-01-28 | Continuous high-temperature heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062149.2U CN204434675U (en) | 2015-01-28 | 2015-01-28 | Continuous high-temperature heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204434675U true CN204434675U (en) | 2015-07-01 |
Family
ID=53602569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520062149.2U Expired - Fee Related CN204434675U (en) | 2015-01-28 | 2015-01-28 | Continuous high-temperature heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204434675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104561476A (en) * | 2015-01-28 | 2015-04-29 | 周献 | Continuous high-temperature heat treatment furnace |
-
2015
- 2015-01-28 CN CN201520062149.2U patent/CN204434675U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104561476A (en) * | 2015-01-28 | 2015-04-29 | 周献 | Continuous high-temperature heat treatment furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20190128 |