CN202973878U - Vacuum furnace for high temperature alloy material manufacturing device - Google Patents
Vacuum furnace for high temperature alloy material manufacturing device Download PDFInfo
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- CN202973878U CN202973878U CN 201220647328 CN201220647328U CN202973878U CN 202973878 U CN202973878 U CN 202973878U CN 201220647328 CN201220647328 CN 201220647328 CN 201220647328 U CN201220647328 U CN 201220647328U CN 202973878 U CN202973878 U CN 202973878U
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Abstract
The utility model discloses a vacuum furnace for a high temperature alloy material manufacturing device. The vacuum furnace comprises a feed preheating chamber, a high temperature working chamber, a crystallizing chamber and a vacuum system. The feed preheating chamber, the high temperature working chamber and the crystallizing chamber are sequentially connected. A first middle gate valve is arranged between the feed preheating chamber and the high temperature working chamber, a second middle gate valve is arranged between the high temperature working chamber and the crystallizing chamber, and the feed preheating chamber, the high temperature working chamber and the crystallizing chamber are respectively connected with the vacuum system. With the structure, the procedure period is shortened, impact on a heater because of sudden cooling and sudden heating can be avoided due to preheating, high-temperature oxidation of the heater can be prevented, and therefore service life of the heater can be prolonged.
Description
Technical field
The utility model relates to the metal melting equipment field, is specifically related to the vacuum drying oven for the high-temperature alloy material manufacturing equipment.
Background technology
Vacuum drying oven is important metal smelt firing equipment.Existing vacuum drying oven mostly is the heating of single chamber batch (-type), has following defective:
1, operating room charging, take out low vacuum, pumping high vacuum, heat temperature raising, insulation, cooling down, amplification gas, the workpiece operation such as come out of the stove and all complete in same operating room, the cycle is long;
2, rapid heat cycle impacts heater, and service life of heater has been shortened in the heater high-temperature oxidation;
3, frequent invasion and attack and the pollution of humid air to the thermal treatment zone increased the load of bleeding of vacuum system greatly, and the pumpdown time is long;
4, alloy liquid contacts with air in condensation process, causes the quality of alloy unstable, can't ensure product percent of pass.
The utility model content
The purpose of this utility model has been to provide the vacuum drying oven that is used for the high-temperature alloy material manufacturing equipment, solved that process period is long, the service life of heater, vacuum system bleed that load is large, the quality unsettled problem of alloy.
For achieving the above object, the utility model adopts following technical scheme:
The vacuum drying oven that is used for the high-temperature alloy material manufacturing equipment comprises feeding preheating chamber, hot operation chamber, crystallisation chamber and vacuum system, is connected with crystallisation chamber and connects in feeding preheating chamber, hot operation chamber; Slide valve in the middle of being provided with first between feeding preheating chamber and hot operation chamber, be provided with second between hot operation chamber and crystallisation chamber in the middle of slide valve, feeding preheating chamber, hot operation chamber, crystallisation chamber are connected with vacuum system respectively.
Further, the blank outlet place of the feeding mouth of described feeding preheating chamber and described crystallisation chamber is provided with respectively movable sealer.
Further, described vacuum system comprises at least one evacuator, at least one vacuum meter and control cabinet, and evacuator is connected with vacuum drying oven, and vacuum meter is located in vacuum drying oven, and evacuator is connected with control cabinet with vacuum meter and is connected.
Further, in the middle of the described first middle slide valve and described second, slide valve is all Pneumatic baffle valve.
Further, the shell of described feeding preheating chamber, described high-temperature heating chamber and described crystallisation chamber is all water cooled double-layered formula furnace shell, and the internal layer of furnace shell is the austenitic stainless steel layer, and the furnace shell skin is the carbon steel layer.
Further, the vertical and horizontal of described furnace shell are all arranged the reinforcement of square-section.
Further, described feeding preheating chamber comprises preheater and alloy material is delivered to the material transport mechanism structure of high-temperature heating chamber.
Further, described high-temperature heating chamber interior is provided with graphite crucible and graphite annulus heater element, and this graphite annulus heater element is located on the graphite crucible outer wall.
Further, described crystallisation chamber comprises crystallizer and the secondary cooling apparatus of being located at the crystallizer outlet, and graphite crucible connects by pipeline with crystallizer.
Further, described secondary cooling apparatus is the inner box-type cooling device that is provided with sparge pipe, and the nozzle of being located at sparge pipe is drive nozzle or air water cooling jet.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, adopt the structure of feeding preheating chamber, hot operation chamber, to feed, take out the operations such as low vacuum, pumping high vacuum, heat temperature raising completes different operating is indoor respectively, shortened process period, and adopt preheating to avoid rapid heat cycle that heater is impacted, prevent the heater high-temperature oxidation, extended the service life of heater;
2, adopt the structure of vacuum crystallization chamber, allow alloy be cooled to base under vacuum condition, avoided alloy liquid to contact with air in condensation process, guaranteed the steady quality of alloy, improved product percent of pass;
3, preheating chamber, hot operation chamber remains at constant temperature and high vacuum state in the work engineering, has avoided frequent invasion and attack and the pollution of humid air to the thermal treatment zone, greatly reduces the load of bleeding of vacuum system, improves the working vacuum degree, shortens the pumpdown time;
4, need not as single chamber intermittent vacuum stove to vacuumize repeatedly when work, heat up, the time-consuming process operations of power consumption again such as cooling, save in a large number the energy, reduce production costs.
Description of drawings
Fig. 1 is the schematic diagram of the embodiment of the utility model vacuum drying oven of being used for the cast master alloy material;
In figure, 1-feeding preheating chamber; 11-material transport mechanism structure; 2-hot operation chamber; The 21-graphite crucible; 22-graphite annulus heater element; The 23-pipeline; The 3-crystallisation chamber; The 31-crystallizer; The 32-secondary cooling apparatus; The 4-vacuum system; 41-the first evacuator; 42-the second evacuator; 43-the 3rd evacuator; The 44-control cabinet; Slide valve in the middle of 5-first; Slide valve in the middle of 6-second; The 7-movable sealer.
The specific embodiment
Embodiment is used for the vacuum drying oven of high-temperature alloy material manufacturing equipment as shown in Figure 1, comprises feeding preheating chamber 1, hot operation chamber 2, crystallisation chamber 3 and vacuum system 4.Are connected with crystallisation chamber and connect successively in feeding preheating chamber 1, hot operation chamber 2, slide valve 5 in the middle of being provided with first between feeding preheating chamber 1 and hot operation chamber 2, be provided with slide valve 6 in the middle of second between hot operation chamber 2 and crystallisation chamber 3, the feeding mouth of feeding preheating chamber and crystallisation chamber blank outlet place are provided with respectively and prevent that outside air from entering indoor movable sealer 7.Feeding preheating chamber 1, hot operation chamber 2, crystallisation chamber 3 are connected respectively connection with vacuum system.
The operation principle of the present embodiment now is described: complete charging, take out low vacuum and pre-heating temperature elevation by feeding preheating chamber 1; Proceed pumping high vacuum and heating by high-temperature heating chamber 2 again; Formed the foundry alloy material under vacuum condition by crystallisation chamber 3.The present embodiment adopts the structure of feeding preheating chamber 1, hot operation chamber 2, to feed, take out the operations such as low vacuum, pumping high vacuum, heat temperature raising completes different operating is indoor respectively, shortened process period, and adopt preheating to avoid rapid heat cycle that heater is impacted, prevent the heater high-temperature oxidation, extended the service life of heater; The structure of employing vacuum crystallization chamber 3 allows alloy be cooled to base under vacuum condition, has avoided alloy liquid to contact with air in condensation process, has guaranteed the steady quality of alloy, has improved product percent of pass; Preheating chamber 1, hot operation chamber 2 remains at constant temperature and high vacuum state in the work engineering, avoided frequent invasion and attack and the pollution of humid air to the thermal treatment zone, greatly reduces the load of bleeding of vacuum system, improves the working vacuum degree, shortens the pumpdown time; The time-consuming process operations of power consumption again such as the present embodiment need not as single chamber intermittent vacuum stove to vacuumize repeatedly when work, heats up, cooling are saved the energy in a large number, reduce production costs.
The first evacuator 41 and the 3rd evacuator 43 adopt resistance to regulate the measurement low vacuum, and the second vacuum meter 42 adopts ionization gauge to measure high vacuum.
In the middle of first, slide valve 5 and the second middle slide valve 6 are all Pneumatic baffle valve, and this Pneumatic baffle valve adopts vavle shelf and valve plate split-type structural, adopts linkage between vavle shelf and valve plate, and valve plate can not only move up and down, all right horizontal movement; Valve plate adopts 8 compressions, makes vacuum seal safe and reliable; The sealing ring of Pneumatic baffle valve is arranged on valve plate, can not be baked to sealing ring when making high-temperature alloy material by valve body, also can not produce friction with valve body sealing surface when valve plate moves up and down, thereby improve the service life of sealing ring.
The shell of feeding preheating chamber 1, high-temperature heating chamber 2 and crystallisation chamber 3 is all water cooled double-layered formula furnace shell, and the furnace shell internal layer adopts the low austenitic stainless steel material manufacturing of gas efficiency, the manufacturing of the outer employing of furnace shell carbon steel material.For guaranteeing the intensity of furnace shell, reduce the thickness of furnace shell, all arrange the reinforcement of square-section at the vertical and horizontal of furnace shell.
Feeding preheating chamber 1 comprises preheater (not shown) and material transport mechanism structure 11, and material transport mechanism structure 11 is delivered to high-temperature heating chamber 2 with alloy material.Material transport mechanism structure 11 can be conveyer belt mechanism, and preheater can be connected with control cabinet 44.
High-temperature heating chamber 2 inside are provided with graphite crucible 21, graphite annulus heater element 22 and are located at the pipeline 23 of graphite crucible bottom.Graphite annulus heater element 22 is located on the graphite crucible outer wall and is used for the heating alloy material.
The present embodiment is used for other structure of vacuum drying oven of high-temperature alloy material manufacturing equipment referring to prior art.
The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or modification are not broken away from spirit and scope of the present utility model, if within these changes and modification belonged to claim of the present utility model and equivalent technologies scope, the utility model also was intended to comprise these changes and modification.
Claims (10)
1. be used for the vacuum drying oven of high-temperature alloy material manufacturing equipment, it is characterized in that: comprising feeding preheating chamber, hot operation chamber, crystallisation chamber and vacuum system, is connected with crystallisation chamber and connects in feeding preheating chamber, hot operation chamber; Slide valve in the middle of being provided with first between feeding preheating chamber and hot operation chamber, be provided with second between hot operation chamber and crystallisation chamber in the middle of slide valve, feeding preheating chamber, hot operation chamber, crystallisation chamber are connected with vacuum system respectively.
2. vacuum drying oven according to claim 1 is characterized in that: the blank outlet place of the feeding mouth of described feeding preheating chamber and described crystallisation chamber is provided with respectively movable sealer.
3. vacuum drying oven according to claim 1, it is characterized in that: described vacuum system comprises at least one evacuator, at least one vacuum meter and control cabinet, evacuator is connected with vacuum drying oven, and vacuum meter is located in vacuum drying oven, and evacuator is connected with control cabinet with vacuum meter and is connected.
4. vacuum drying oven according to claim 1 is characterized in that: in the middle of described first in the middle of slide valve and described second slide valve be all Pneumatic baffle valve.
5. vacuum drying oven according to claim 1 is characterized in that: the shell of described feeding preheating chamber, described high-temperature heating chamber and described crystallisation chamber is all water cooled double-layered formula furnace shell, and the internal layer of furnace shell is the austenitic stainless steel layer, and the furnace shell skin is the carbon steel layer.
6. vacuum drying oven according to claim 5, it is characterized in that: the vertical and horizontal of described furnace shell are all arranged the reinforcement of square-section.
7. vacuum drying oven according to claim 1 is characterized in that: described feeding preheating chamber comprises preheater and alloy material is delivered to the material transport mechanism structure of high-temperature heating chamber.
8. vacuum drying oven according to claim 1, it is characterized in that: described high-temperature heating chamber interior is provided with graphite crucible and graphite annulus heater element, and this graphite annulus heater element is located on the graphite crucible outer wall.
9. vacuum drying oven according to claim 9 is characterized in that: described crystallisation chamber comprises crystallizer and is located at the secondary cooling apparatus of crystallizer outlet, and graphite crucible connects by pipeline with crystallizer.
10. vacuum drying oven according to claim 9 is characterized in that: described secondary cooling apparatus is the inner box-type cooling device that is provided with sparge pipe, and the nozzle of being located at sparge pipe is drive nozzle or air water cooling jet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220647328 CN202973878U (en) | 2012-11-29 | 2012-11-29 | Vacuum furnace for high temperature alloy material manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220647328 CN202973878U (en) | 2012-11-29 | 2012-11-29 | Vacuum furnace for high temperature alloy material manufacturing device |
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| Publication Number | Publication Date |
|---|---|
| CN202973878U true CN202973878U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220647328 Expired - Fee Related CN202973878U (en) | 2012-11-29 | 2012-11-29 | Vacuum furnace for high temperature alloy material manufacturing device |
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| CN (1) | CN202973878U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438704A (en) * | 2013-08-09 | 2013-12-11 | 上海森松压力容器有限公司 | High temperature synthetic furnace system for compound, and using method thereof |
| CN103710503A (en) * | 2014-01-15 | 2014-04-09 | 中国航空工业标准件制造有限责任公司 | Chain bucket type titanium alloy vacuum water quenching furnace |
| CN104567401A (en) * | 2015-01-09 | 2015-04-29 | 上海交通大学 | Melt medium-frequency induction and high-temperature heating device |
| CN107289788A (en) * | 2017-07-08 | 2017-10-24 | 深圳市汇美新科技有限公司 | Continuous vacuum stove |
| CN107381060A (en) * | 2017-07-31 | 2017-11-24 | 四川聚能核技术工程有限公司 | Powder material automatic feeding device and method under a kind of new type high temperature vacuum environment |
| CN108220639A (en) * | 2018-02-11 | 2018-06-29 | 浦江县杰浩进出口有限公司 | A kind of advanced superalloys material production technology equipment |
| CN110340316A (en) * | 2019-07-11 | 2019-10-18 | 张家港高合特种合金材料有限公司 | A kind of preparation method and device of easy segregation-alloy pipe |
-
2012
- 2012-11-29 CN CN 201220647328 patent/CN202973878U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438704A (en) * | 2013-08-09 | 2013-12-11 | 上海森松压力容器有限公司 | High temperature synthetic furnace system for compound, and using method thereof |
| CN103438704B (en) * | 2013-08-09 | 2016-04-06 | 上海森松压力容器有限公司 | The high―temperature nuclei furnace system of compound and the using method of this system |
| CN103710503A (en) * | 2014-01-15 | 2014-04-09 | 中国航空工业标准件制造有限责任公司 | Chain bucket type titanium alloy vacuum water quenching furnace |
| CN103710503B (en) * | 2014-01-15 | 2015-11-18 | 中国航空工业标准件制造有限责任公司 | Chain-bucket titanium alloy vacuum water quenching oven |
| CN104567401A (en) * | 2015-01-09 | 2015-04-29 | 上海交通大学 | Melt medium-frequency induction and high-temperature heating device |
| CN107289788A (en) * | 2017-07-08 | 2017-10-24 | 深圳市汇美新科技有限公司 | Continuous vacuum stove |
| CN107381060A (en) * | 2017-07-31 | 2017-11-24 | 四川聚能核技术工程有限公司 | Powder material automatic feeding device and method under a kind of new type high temperature vacuum environment |
| CN108220639A (en) * | 2018-02-11 | 2018-06-29 | 浦江县杰浩进出口有限公司 | A kind of advanced superalloys material production technology equipment |
| CN110340316A (en) * | 2019-07-11 | 2019-10-18 | 张家港高合特种合金材料有限公司 | A kind of preparation method and device of easy segregation-alloy pipe |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131129 |