CN112708851A - Automatic control stirring salt bath furnace - Google Patents
Automatic control stirring salt bath furnace Download PDFInfo
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- CN112708851A CN112708851A CN202011407161.4A CN202011407161A CN112708851A CN 112708851 A CN112708851 A CN 112708851A CN 202011407161 A CN202011407161 A CN 202011407161A CN 112708851 A CN112708851 A CN 112708851A
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- crucible
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- salt bath
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- 150000003839 salts Chemical class 0.000 title claims abstract description 56
- 238000003756 stirring Methods 0.000 title claims abstract description 54
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 23
- 230000009970 fire resistant effect Effects 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 238000011897 real-time detection Methods 0.000 claims description 2
- 238000005204 segregation Methods 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
- C23C8/42—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions only one element being applied
- C23C8/48—Nitriding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/44—Methods of heating in heat-treatment baths
- C21D1/46—Salt baths
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/18—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
- C23C8/42—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions only one element being applied
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention provides an automatic control stirring salt bath furnace, which relates to the technical field of salt bath furnaces and comprises a crucible and a stirring device, wherein the stirring device comprises a stirrer, an output shaft and a motor, the output shaft is coaxially arranged with the rotation axis of the stirrer, the motor is used for driving the output shaft to rotate, the crucible is provided with a through hole, one part of the output shaft penetrates into the crucible, the crucible and the output shaft are connected through mechanical sealing at the through hole, the part of the output shaft, which is positioned in the crucible, and the part, which is positioned outside the crucible, are respectively connected with the stirrer and the motor, the stirrer is positioned at the bottom of the crucible, and an isolation net used for placing a workpiece is covered on the. The invention achieves the purpose of automatically controlling and stirring the molten salt by matching the stirrer and the motor, not only liberates labor force and avoids the problem that workers are hurt, but also solves the problem of salt bath segregation caused by untimely stirring and uneven stirring because the stirring is automatically controlled and the uniformity degree is incomparable to manual stirring.
Description
Technical Field
The invention relates to the technical field of salt bath furnaces, in particular to an automatic control stirring salt bath furnace.
Background
Salt bath heat treatment has been in history for decades, a salt bath furnace is a common heat treatment industrial furnace in mechanical industrial production, which takes molten salt solution as a heating medium and immerses a workpiece to be processed into the salt solution for heating, and the salt bath furnace is widely used in China, even Germany and other developed countries until now.
Because manual stirring is used in the traditional salt bath process, the problems of untimely stirring, uneven salt bath solution and the like are easily caused, the salt bath segregation phenomenon can be generated in the salt bath work, the salt bath segregation causes uneven components in the salt bath, the layering phenomenon occurs, and the TD treatment metal infiltration capacity is seriously weakened. In addition, in salt bath chemical heat treatment, such as salt bath nitridation, salt bath metal infiltration, salt bath boronization and the like, various chemical raw materials are required to be continuously added into the salt bath, chemical reaction is carried out in a high-temperature salt bath environment, corrosive gas containing chlorine and nitrogen evaporated from the salt bath is subjected to heat treatment, and generated high-temperature steam is harmful to human health and corrodes various electrical equipment instruments.
Disclosure of Invention
The invention aims to provide an automatic control stirring salt bath furnace, which achieves the purpose of automatically controlling and stirring the molten salt through the matching of a stirrer and a motor, not only liberates labor force and avoids the problem that workers are injured, but also solves the problem of salt bath segregation caused by untimely stirring and uneven stirring because the stirring is automatically controlled and the uniformity degree is incomparable to manual stirring.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions: an automatic control stirring salt bath furnace comprises a crucible and a stirring device, wherein the crucible is used for containing and heating molten salt, the stirring device is used for stirring the molten salt, the stirring device comprises a stirrer, an output shaft and a motor, the output shaft is coaxially arranged with the rotation axis of the stirrer, the motor is used for driving the output shaft to rotate, the crucible is provided with a through hole, a part of the output shaft penetrates into the crucible, the crucible and the output shaft are connected in the through hole through mechanical seal, the part of the output shaft, which is positioned in the crucible, and the part, which is positioned outside the crucible, are respectively connected with the stirrer and the motor, the stirrer is positioned at the bottom of the crucible, and an isolation net used for placing a workpiece is covered on the upper cover of the stirrer;
the PLC is connected with the motor through a contactor; the temperature sensor is used for detecting the temperature in the crucible and is connected with the PLC; temperature sensor real-time detection crucible is interior temperature, then with temperature signal transfer to PLC controller, PLC controller receives temperature signal back control button work, 18 control motor of button open and stop, and then control the stirring, the temperature threshold value is predetermine to the PLC controller, then receives and can discern the temperature signal that temperature sensor transmitted, just controls the button through comparing.
Furthermore, a fire-resistant layer is sleeved outside the crucible and is also provided with a through hole communicated with the through hole of the crucible, and the output shaft sequentially penetrates through the fire-resistant layer and the pot wall of the crucible.
Further, the fire-resistant layer is sleeved with a heat-insulating layer, the heat-insulating layer is also provided with a through hole communicated with the through hole of the crucible and the through hole of the fire-resistant layer, and the output shaft sequentially penetrates through the heat-insulating layer, the fire-resistant layer and the pot wall of the crucible.
Further, the shell is installed outside the heat preservation layer, be equipped with on the shell and be used for radiating fence net.
Furthermore, the stirring device also comprises a speed reducer, and the output shaft is a rotating shaft of the speed reducer; and an input shaft of the speed reducer is connected with an output shaft of the motor through a coupling.
Further, the speed reducer is a two-stage conical cylindrical gear speed reducer.
Further, the stirrer is a straight blade disc turbine stirrer.
Further, bearings are arranged between the top of the fire-resistant layer and the output shaft and between the bottom of the fire-resistant layer and the output shaft.
Furthermore, four support columns are arranged between the heat-insulating layer and the shell, and four support columns are also arranged between the crucible and the refractory layer.
Compared with the prior art, the invention has the beneficial effects that: the utility model provides an automatic control stirring salt bath furnace, has reached the purpose of automatic control stirring fused salt through the cooperation of agitator and motor, has not only liberated the labour, has avoided the workman to receive the problem of injury, owing to be the automatic control stirring, its even degree is that manual stirring can not compare, has consequently also solved because of stirring untimely, stir inhomogeneous and lead to the salt bath segregation problem.
Drawings
Fig. 1 is a schematic diagram of an internal structure of an automatically controlled stirred salt bath furnace according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of a decelerator for an automatically controlled stirred salt bath furnace according to an embodiment of the present invention;
in the reference symbols: 1-a crucible; 2-a refractory layer; 3, insulating layer; 4-a housing; 5-a fence net; 6-an isolation net; 7-a stirrer; 8, mechanical sealing; 9-a bearing; 10-the axis of rotation of the reducer; 11-a reducer; 12-the input shaft of the reducer; 13-a coupler; 14-an output shaft of the electric motor; 15-an electric motor; 16-a contactor; 17-a temperature sensor; 18-a button; 19-PLC controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides an automatically controlled stirring salt bath furnace, including a crucible 1 for accommodating and heating a molten salt, and a stirring device for stirring the molten salt, where the stirring device includes a stirrer 7, an output shaft coaxially disposed with a rotation axis of the stirrer 7, and a motor 15 for driving the output shaft to rotate, the crucible 1 has a through hole through which a portion of the output shaft penetrates, the crucible 1 and the output shaft are connected by a mechanical seal 8 at the through hole, a portion of the output shaft located inside the crucible 1 and a portion located outside the crucible 1 are respectively connected with the stirrer 7 and the motor 15, the stirrer 7 is located at a bottom of the crucible 1, and an isolation mesh 6 for placing a workpiece is covered on the stirrer 7. The crucible 1 used in the present embodiment is a crucible 1 commonly used in the prior art, which can be heated to perform molten salt operation, and the manner of heating will not be described in more detail in the present embodiment. Among the prior art, when stirring the fused salt, adopt manual stirring more, but along with the development of machinery, discover that manual stirring has been unable to adapt to the society that the rapid development developed gradually, it is that the productivity can not follow up on the one hand, often can appear stirring untimely, stir inhomogeneous and the salt bath segregation problem that leads to, on the other hand is that the salt bath is a chemical heat treatment after all, the environment of high temperature can make some corrosive gas volatilize, the high-temperature gas of production can harm human health, consequently, this embodiment adopts the cooperation of agitator 7 and motor 15, manual stirring has been replaced, realize the automatic control stirring. Mechanical stirring is easier to control than manual stirring, so that the stirring time can be controlled, the stirring is uniform and lasting, and the salt bath segregation phenomenon is avoided. In a specific installation mode, in the stirring device, except that the stirrer 7 and part of the output shaft are positioned in the crucible 1, the stirrer and the output shaft are positioned outside the crucible 1, a through hole needs to be formed in the crucible 1 so that the output shaft can be inserted into the crucible 1, in order to prevent molten salt from leaking, a mechanical seal 8 is adopted for sealing, the mechanical seal 8 is an existing sealing mode, and details are not described here. Preferably, the stirrer 7 is a flat blade disc turbine stirrer.
Referring to fig. 1 as an optimized scheme of the embodiment of the present invention, a refractory layer 2 is sleeved outside a crucible 1, the refractory layer 2 also has a through hole communicated with the through hole of the crucible 1, and the output shaft sequentially passes through the refractory layer 2 and a pot wall of the crucible 1. Preferably, the fire-resistant layer 2 is sleeved with the heat-insulating layer 3, the heat-insulating layer 3 is also provided with a through hole communicated with the through hole of the crucible 1 and the through hole of the fire-resistant layer 2, and the output shaft sequentially penetrates through the heat-insulating layer 3, the fire-resistant layer 2 and the pot wall of the crucible 1. In this embodiment, the refractory layer 2 and the insulating layer 3 are sequentially arranged outside the crucible 1, and the three layers are provided with communicated through holes so that the output shaft can pass through the through holes. Gaps are reserved among the fire-resistant layer 2, the heat-insulating layer 3 and the rotating shaft 10 of the speed reducer. Bearings 9 are arranged between the top of the fire-resistant layer 2 and a rotating shaft 10 of the speed reducer and between the bottom of the fire-resistant layer 2 and the rotating shaft 10 of the speed reducer, and the bearings 9 are specifically tapered roller bearings 9. Preferably, a shell 4 is installed outside the heat-insulating layer 3, and a fence mesh for heat dissipation is arranged on the shell 4. Preferably, four support columns are arranged between the heat-insulating layer 3 and the outer shell 4, and four support columns are also arranged between the crucible 1 and the refractory layer 2.
As an optimized scheme of the embodiment of the present invention, please refer to fig. 1 and fig. 2, the stirring apparatus further includes a speed reducer 11, and the output shaft is a rotating shaft 10 of the speed reducer; the input shaft 12 of the reducer is connected to the output shaft 14 of the motor via a coupling 13. In the present embodiment, the decelerator 11 is provided to receive power from the motor 15 and then to drive the agitator 7 to operate. The decelerator 11 is provided between the crucible 1 and the separation net 6. The motor 15, the coupler 13 and the speed reducer 11 are all arranged inside the shell 4, the motor 15 and the speed reducer 11 are fixed at the bottom of the shell 4, the speed reducer 11 is a two-stage conical cylindrical gear speed reducer, and the coupler 13 is an elastic pin coupler.
Referring to fig. 1 as an optimized solution of the embodiment of the present invention, the salt bath furnace further includes a control device for controlling the operation of the electric motor 15. The full-automatic stirring can be realized through the control device. Preferably, the control device comprises a PLC (programmable logic controller) 19, the PLC 19 is connected with the motor 15 through a contactor 16, the control device further comprises a temperature sensor 17 capable of detecting the temperature in the crucible 1, and the temperature sensor 17 is connected with the PLC 19. In this embodiment, the temperature sensor 17 can detect the temperature in the crucible 1 in real time, and then transmit the temperature signal to the PLC controller 19, the PLC controller 19 controls the operation of the button 18 after receiving the temperature signal, the button 18 controls the start and stop of the motor 15, and further controls the operation of the stirring device, the PLC controller 19 is a conventional controller in the art, and it only needs to be able to preset a temperature threshold, and then receive and recognize the temperature signal transmitted from the temperature sensor 17, and the button 18 can be controlled through simple comparison, thereby realizing full-automatic stirring.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An automatic control stirring salt bath furnace, which comprises a crucible used for containing molten salt and heating, and is characterized in that: the crucible is provided with a through hole for allowing a part of the output shaft to penetrate into the crucible, the crucible and the output shaft are connected through mechanical seal at the through hole, the part of the output shaft, which is positioned in the crucible, and the part, which is positioned outside the crucible, are respectively connected with the stirrer and the motor, the stirrer is positioned at the bottom of the crucible, and an isolation net for placing a workpiece is covered on the upper cover of the stirrer;
the PLC is connected with the motor through a contactor; the temperature sensor is used for detecting the temperature in the crucible and is connected with the PLC; temperature sensor real-time detection crucible is interior temperature, then with temperature signal transfer to PLC controller, PLC controller receives temperature signal back control button work, 18 control motor of button open and stop, and then control the stirring, the temperature threshold value is predetermine to the PLC controller, then receives and can discern the temperature signal that temperature sensor transmitted, just controls the button through comparing.
2. The automatically controlled stirred salt bath furnace of claim 1, wherein: the crucible is sleeved with a fire-resistant layer, the fire-resistant layer is also provided with a through hole communicated with the through hole of the crucible, and the output shaft sequentially penetrates through the fire-resistant layer and the pot wall of the crucible.
3. The automatically controlled stirred salt bath furnace of claim 2, wherein: the heat-insulating layer is sleeved outside the fire-resistant layer, the heat-insulating layer is also provided with a through hole communicated with the through hole of the crucible and the through hole of the fire-resistant layer, and the output shaft sequentially penetrates through the heat-insulating layer, the fire-resistant layer and the pot wall of the crucible.
4. An automatically controlled stirred salt bath furnace as set forth in claim 3 in which: the heat preservation layer is externally provided with a shell, and the shell is provided with a fence net for heat dissipation.
5. The automatically controlled stirred salt bath furnace of claim 1, wherein: the stirring device also comprises a speed reducer, and the output shaft is a rotating shaft of the speed reducer; and an input shaft of the speed reducer is connected with an output shaft of the motor through a coupling.
6. An automatically controlled stirred salt bath furnace as set forth in claim 5 in which: the speed reducer is a two-stage conical cylindrical gear speed reducer.
7. The automatically controlled stirred salt bath furnace of claim 1, wherein: the stirrer is a straight blade disc turbine stirrer.
8. The automatically controlled stirred salt bath furnace of claim 2, wherein: and bearings are arranged between the top of the fire-resistant layer and the output shaft and between the bottom of the fire-resistant layer and the output shaft.
9. The automatically controlled stirred salt bath furnace of claim 4, wherein: four support columns are arranged between the heat-insulating layer and the shell, and four support columns are also arranged between the crucible and the fire-resistant layer.
10. An automatically controlled stirred salt bath furnace as set forth in claim 5 in which: the coupling is an elastic pin coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011407161.4A CN112708851A (en) | 2020-12-04 | 2020-12-04 | Automatic control stirring salt bath furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011407161.4A CN112708851A (en) | 2020-12-04 | 2020-12-04 | Automatic control stirring salt bath furnace |
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| Publication Number | Publication Date |
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| CN112708851A true CN112708851A (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011407161.4A Pending CN112708851A (en) | 2020-12-04 | 2020-12-04 | Automatic control stirring salt bath furnace |
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| CN (1) | CN112708851A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202415617U (en) * | 2011-12-29 | 2012-09-05 | 重庆材料研究院 | Stirring device and salt-bath furnace combined structure |
| CN205825703U (en) * | 2016-07-29 | 2016-12-21 | 湖州捷华机械制造有限公司 | A kind of Novel slag steel smelting electric furnace |
| CN207280196U (en) * | 2017-09-15 | 2018-04-27 | 江苏粤阜合金材料有限公司 | A kind of energy saving aluminum ingot melting furnace |
| CN110201608A (en) * | 2019-05-24 | 2019-09-06 | 北京电力设备总厂有限公司 | A kind of high-temperature molten salt just melts system and salt dissolving method |
| CN110255510A (en) * | 2019-07-03 | 2019-09-20 | 宁夏秦氏新材料有限公司 | The method of gas heating synthesis manganese systems nitride |
| CN210596188U (en) * | 2019-07-17 | 2020-05-22 | 天津市友滨弹簧有限公司 | Spring production is with salt bath stove that has smog filtering capability |
| CN214736039U (en) * | 2020-12-04 | 2021-11-16 | 辽沈工业集团有限公司 | Automatic change stirring salt bath furnace |
-
2020
- 2020-12-04 CN CN202011407161.4A patent/CN112708851A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202415617U (en) * | 2011-12-29 | 2012-09-05 | 重庆材料研究院 | Stirring device and salt-bath furnace combined structure |
| CN205825703U (en) * | 2016-07-29 | 2016-12-21 | 湖州捷华机械制造有限公司 | A kind of Novel slag steel smelting electric furnace |
| CN207280196U (en) * | 2017-09-15 | 2018-04-27 | 江苏粤阜合金材料有限公司 | A kind of energy saving aluminum ingot melting furnace |
| CN110201608A (en) * | 2019-05-24 | 2019-09-06 | 北京电力设备总厂有限公司 | A kind of high-temperature molten salt just melts system and salt dissolving method |
| CN110255510A (en) * | 2019-07-03 | 2019-09-20 | 宁夏秦氏新材料有限公司 | The method of gas heating synthesis manganese systems nitride |
| CN210596188U (en) * | 2019-07-17 | 2020-05-22 | 天津市友滨弹簧有限公司 | Spring production is with salt bath stove that has smog filtering capability |
| CN214736039U (en) * | 2020-12-04 | 2021-11-16 | 辽沈工业集团有限公司 | Automatic change stirring salt bath furnace |
Non-Patent Citations (1)
| Title |
|---|
| 孔凌嘉等主编, 北京理工大学出版社 * |
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