CN104073609A - Vacuum atmosphere thermal treatment furnace capable of continuously working - Google Patents
Vacuum atmosphere thermal treatment furnace capable of continuously working Download PDFInfo
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- 238000007669 thermal treatment Methods 0.000 title 1
- 238000010438 heat treatment Methods 0.000 claims abstract description 68
- 238000001816 cooling Methods 0.000 claims abstract description 58
- 230000007704 transition Effects 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000002955 isolation Methods 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 2
- 210000004907 gland Anatomy 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 19
- 229910052751 metal Inorganic materials 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 150000002739 metals Chemical class 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000010963 304 stainless steel Substances 0.000 description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- 239000006104 solid solution Substances 0.000 description 1
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Abstract
本发明公开了一种可连续工作的真空气氛热处理炉，由提升段炉体、加热段炉体、过渡段炉体和冷却段炉体组成。提升段炉体位于整个设备的最上方，用于安放提升装置；加热段炉体位于提升段炉体下面，用于对金属工件进行加热处理；过渡段炉体位于加热段炉体下面，用于将加热段炉体与冷却段炉体隔开；冷却段炉体位于过渡段炉体的下方，用于对加热处理后的金属工件进行冷却。各段炉体之间采螺栓连接。采用本发明可以在真空气氛下和各种气氛下对金属进行热处理，或在水冷状态下对工件进行快速冷却处理，并避免金属工件在冷却的过程中氧化，可以连续地对金属工件进行热处理，减少能量的浪费、降低了能耗、提高了生产效率。
The invention discloses a continuously working vacuum atmosphere heat treatment furnace, which is composed of a furnace body in a lifting section, a furnace body in a heating section, a furnace body in a transition section and a furnace body in a cooling section. The furnace body of the lifting section is located at the top of the whole equipment, which is used to place the lifting device; the furnace body of the heating section is located under the furnace body of the lifting section, and is used for heat treatment of metal workpieces; The furnace body of the heating section is separated from the furnace body of the cooling section; the furnace body of the cooling section is located below the furnace body of the transition section, and is used for cooling the metal workpiece after heat treatment. Bolts are used to connect each furnace body. Adopting the present invention can heat treat metals under vacuum atmosphere and various atmospheres, or quickly cool workpieces under water-cooled state, avoid oxidation of metal workpieces during cooling, and can continuously heat treat metal workpieces, Reduce energy waste, reduce energy consumption, and improve production efficiency.
Description
技术领域technical field
本发明涉及金属材料热处理技术领域，特别是一种可连续工作的真空气氛热处理炉。The invention relates to the technical field of heat treatment of metal materials, in particular to a continuously working vacuum atmosphere heat treatment furnace.
技术背景technical background
金属工件在制备过程中，有时需要在不同气氛下进行热处理，热处理后又要以一定的冷却速度将工件冷却至室温，以制成符合质量要求的工件。气氛炉的特点是在某一既定温度下，向炉内通入一定成分的人工制备气氛，已达到某种热处理的目的。专利公开(公告)号：CN2685349Y，公开了一种双室真空水或水基介质热处理炉，该热处理炉能够对金属工件快速冷却，实现淬火、固溶等热处理，但在采用水或水基介质进行热处理时，在高温下会分解出氧气，从而影响产品质量，另外该种结构不能满足大批量、连续化生产的要求，生产效率低，每次生产循环均需抽真空，能耗很大。专利公开(公告)号：CN102980399A，公开了一种材料性能测试用高温气氛炉，该装置可以对试样进行不同温度和不同气氛下进行性能参数测试，但其没有配套的冷却装置，且效率低。During the preparation of metal workpieces, heat treatment is sometimes required in different atmospheres, and after heat treatment, the workpiece must be cooled to room temperature at a certain cooling rate to produce workpieces that meet quality requirements. The characteristic of the atmosphere furnace is that at a certain temperature, a certain composition of artificially prepared atmosphere is introduced into the furnace to achieve a certain heat treatment purpose. Patent Publication (Announcement) No.: CN2685349Y discloses a double-chamber vacuum water or water-based medium heat treatment furnace, which can rapidly cool metal workpieces and realize heat treatments such as quenching and solid solution. During heat treatment, oxygen will be decomposed at high temperature, thereby affecting product quality. In addition, this structure cannot meet the requirements of mass production and continuous production, and the production efficiency is low. Each production cycle needs to be vacuumed, which consumes a lot of energy. Patent Publication (Announcement) No.: CN102980399A, which discloses a high-temperature atmosphere furnace for material performance testing. The device can perform performance parameter tests on samples at different temperatures and in different atmospheres, but it has no supporting cooling device and has low efficiency. .
发明内容Contents of the invention
本发明提供了一种可连续工作的真空气氛热处理炉，利用该热处理炉可以在真空或各种气氛下对金属工件进行加热处理，并在多种冷却条件下对金属工件进行冷却处理。The invention provides a continuously working vacuum atmosphere heat treatment furnace, which can heat treat metal workpieces in vacuum or various atmospheres, and cool metal workpieces under various cooling conditions.
本发明提供的一种可连续工作的真空气氛热处理炉由提升段炉体、冷却壁、加热段炉体、过渡段炉体和冷却段炉体组成。所述提升段炉体位于整个设备的最上方，用于安放提升装置，由测温元件、螺栓、上料筐、真空气阀、惰性气体进气阀、还原性气体进气阀、顶盖、钢丝绳和顶轴组成。其中，顶盖位于提升段炉体的顶端，与提升段炉体之间采用螺栓连接，顶轴位于提升段炉体的上部，缠绕钢丝绳，提升上料筐，所述的冷却壁包围在提升段炉体外部，与提升段炉体焊接在一起，并与提升段炉体之间形成水冷夹层，内部充水对提升段炉体进行冷却。所述的真空气阀外接真空泵。A vacuum atmosphere heat treatment furnace capable of continuous operation provided by the present invention is composed of a furnace body in a lifting section, a cooling wall, a furnace body in a heating section, a furnace body in a transition section and a furnace body in a cooling section. The furnace body of the lifting section is located at the top of the whole equipment, and is used to place the lifting device. Composed of steel wire rope and top shaft. Among them, the top cover is located at the top of the furnace body of the lifting section, and is connected with the furnace body of the lifting section by bolts, the top shaft is located at the upper part of the furnace body of the lifting section, and the steel wire rope is wound to lift the feeding basket, and the cooling wall is surrounded by the lifting section The outside of the furnace body is welded with the furnace body of the lifting section, and a water-cooled interlayer is formed between the furnace body of the lifting section, and the interior is filled with water to cool the furnace body of the lifting section. The vacuum air valve is externally connected to a vacuum pump.
加热段炉体位于提升段炉体下面，用于对金属工件进行加热处理，与提升段炉体之间采螺栓连接。加热段炉体由炉体外壳、加热元件、保温层和螺栓组成。炉体外壳用普碳钢板焊接而成，炉体外壳内部填充保温层，加热元件位于保温层的内侧，加热元件内侧为加热炉膛。The furnace body of the heating section is located under the furnace body of the lifting section, and is used for heat treatment of metal workpieces, and is connected with the furnace body of the lifting section by bolts. The furnace body in the heating section is composed of the furnace shell, heating elements, insulation layer and bolts. The shell of the furnace body is welded with ordinary carbon steel plates, and the inside of the shell of the furnace body is filled with an insulation layer. The heating element is located inside the insulation layer, and the inside of the heating element is the heating furnace.
过渡段炉体位于加热段炉体下面，用于将加热段炉体与冷却段炉体隔开，与加热段炉体之间采用螺栓连接，由螺栓和过渡管排气阀组成。The furnace body of the transition section is located under the furnace body of the heating section, which is used to separate the furnace body of the heating section from the furnace body of the cooling section, and is connected with the furnace body of the heating section by bolts, and is composed of bolts and transition pipe exhaust valves.
冷却段炉体位于过渡段炉体的下方，用于对加热处理后的金属工件进行冷却，与过渡段炉体之间采用螺栓连接。过渡段炉体和冷却段炉体之间安装有隔离阀，隔离阀由法兰、闸板、压盖、密封圈、阀轴和螺栓组成。工作过程中隔离阀的关闭和开启使得冷却段炉体与加热段炉体隔绝或联通，实现热处理炉的连续工作。冷却段炉体由冷却段真空气阀、炉门、喷头、冷却段排水阀、冷却段还原性气体进气阀、冷却段惰性气体进气阀、冷却段炉体、冷却段排气阀、螺栓和底盖组成。底盖位于真空气氛热处理炉的最底端，与冷却段炉体之间采用螺栓连接。所述的冷却段真空气阀外接真空泵。The furnace body of the cooling section is located below the furnace body of the transition section, and is used for cooling the metal workpiece after heat treatment, and is connected with the furnace body of the transition section by bolts. An isolation valve is installed between the furnace body in the transition section and the furnace body in the cooling section. The isolation valve is composed of a flange, a gate, a gland, a sealing ring, a valve shaft and bolts. The closing and opening of the isolation valve during the working process makes the furnace body in the cooling section and the furnace body in the heating section isolated or communicated, so as to realize the continuous operation of the heat treatment furnace. The cooling section furnace body is composed of cooling section vacuum air valve, furnace door, nozzle, cooling section drain valve, cooling section reducing gas inlet valve, cooling section inert gas inlet valve, cooling section furnace body, cooling section exhaust valve, bolts and bottom cover. The bottom cover is located at the bottom of the vacuum atmosphere heat treatment furnace, and is connected with the furnace body in the cooling section by bolts. The vacuum air valve in the cooling section is externally connected to a vacuum pump.
所述的提升段炉体采用不锈钢制成，上料筐、过渡段炉体、冷却段炉体、底盖均采用耐热钢制成，炉门采用不锈钢制成。The furnace body of the lifting section is made of stainless steel, the loading basket, the furnace body of the transition section, the furnace body of the cooling section, and the bottom cover are all made of heat-resistant steel, and the furnace door is made of stainless steel.
所述的加热段炉体，炉体为圆形，采用耐热钢制成，炉体长度为1～3米，炉体外部采用电阻加热或煤气加热。The furnace body of the heating section is circular and made of heat-resistant steel, the length of the furnace body is 1-3 meters, and the outside of the furnace body is heated by resistance or gas.
所述的喷头采用不锈钢管制成，在不锈钢管上均匀的分布着喷孔，喷孔直径为φ0.5～φ2mm。The nozzle is made of stainless steel pipe, and spray holes are evenly distributed on the stainless steel pipe, and the diameter of the spray holes is φ0.5～φ2mm.
本发明与现有同类设备相比，其实质性特点和显著的进步体现在：Compared with the existing similar equipment, the present invention has its substantive features and remarkable progress as follows:
(1)采用的真空气氛热处理炉可以在真空气氛下对金属进行热处理，也可用于各种气氛下的金属进行热处理。(1) The vacuum atmosphere heat treatment furnace used can heat treat metals in a vacuum atmosphere, and can also be used for heat treatment of metals in various atmospheres.
(2)采用的真空气氛热处理炉可以对加热处理后的金属工件在保护气氛下进行缓慢冷却，或在水冷状态下对工件进行快速冷却处理，并可避免金属工件在冷却的过程中氧化。(2) The vacuum atmosphere heat treatment furnace used can slowly cool the heat-treated metal workpiece in a protective atmosphere, or quickly cool the workpiece in a water-cooled state, and can avoid oxidation of the metal workpiece during cooling.
(3)采用的真空气氛热处理炉可以连续地对金属工件进行热处理，减少能量的浪费、降低了能耗、提高了生产效率。(3) The vacuum atmosphere heat treatment furnace used can continuously heat treat metal workpieces, reduce energy waste, reduce energy consumption, and improve production efficiency.
附图说明Description of drawings
图1是在一种可连续工作的真空气氛热处理炉的结构示意图。Fig. 1 is a structural schematic diagram of a continuously working vacuum atmosphere heat treatment furnace.
图2是隔离阀在A-A位置剖面图。Figure 2 is a cross-sectional view of the isolation valve at position A-A.
具体实施方式：Detailed ways:
下面通过实施例详细描述本发明。The present invention is described in detail below by way of examples.
如图1所示，一种可连续工作的真空气氛热处理炉，由提升段炉体11、加热段炉体12、过渡段炉体21和冷却段炉体29组成。所述提升段炉体11位于整个设备的最上方，安放提升装置，提升装置由测温元件1、螺栓2、上料筐13、冷却壁3、真空气阀5、惰性气体进气阀6、还原性气体进气阀7、顶盖8、钢丝绳10和顶轴9组成。其中，顶盖8位于提升段炉体11的顶端，与提升段炉体11之间采用螺栓2连接，顶轴9位于提升段炉体11的上部，用于缠绕钢丝绳10，提升上料筐13，金属工件14被放置在上料筐13中，冷却壁3包围在提升段炉体11的外部，与提升段炉体11焊接在一起，并与提升段炉体11之间形成水冷夹层，内部充水对提升段炉体11进行冷却。As shown in FIG. 1 , a continuously working vacuum atmosphere heat treatment furnace is composed of a furnace body 11 in a lifting section, a furnace body 12 in a heating section, a furnace body 21 in a transition section and a furnace body 29 in a cooling section. The lifting section furnace body 11 is located at the top of the entire equipment, and a lifting device is placed. The lifting device consists of a temperature measuring element 1, a bolt 2, a loading basket 13, a stave 3, a vacuum valve 5, an inert gas inlet valve 6, The reducing gas inlet valve 7, the top cover 8, the steel wire rope 10 and the top shaft 9 are composed. Wherein, the top cover 8 is located at the top of the furnace body 11 of the lifting section, and is connected with the furnace body 11 of the lifting section by bolts 2 , and the top shaft 9 is located at the upper part of the furnace body 11 of the lifting section, and is used for winding the steel wire rope 10 and lifting the feeding basket 13 , the metal workpiece 14 is placed in the loading basket 13, the stave 3 surrounds the outside of the lifting section furnace body 11, is welded together with the lifting section furnace body 11, and forms a water-cooled interlayer with the lifting section furnace body 11, and the inside Filling with water cools the furnace body 11 of the lifting section.
加热段炉体12位于提升段炉体11的下面，用于对金属工件进行加热处理，与提升段炉体11之间采螺栓4连接，加热段炉体12由炉体外壳16、加热元件15、保温层17、螺栓18组成。炉体外壳16用Q215普碳钢板焊接而成，炉体外壳16内部填充保温层17，加热元件15位于保温层17的内侧，加热元件15内侧为加热炉膛。The furnace body 12 of the heating section is located under the furnace body 11 of the lifting section, and is used for heat treatment of metal workpieces. It is connected with the furnace body 11 of the lifting section by bolts 4 . , thermal insulation layer 17, bolt 18 forms. The furnace body shell 16 is welded with Q215 plain carbon steel plate, the inside of the furnace body shell 16 is filled with an insulating layer 17, the heating element 15 is located inside the insulating layer 17, and the inside of the heating element 15 is a heating furnace.
过渡段炉21体位于加热段炉体12的下面，用于将加热段炉体12与冷却段炉体29隔开，与加热段炉体12之间采用螺栓18连接，由螺栓20、过渡管排气阀19组成。The transition section furnace body 21 is located below the heating section furnace body 12, and is used to separate the heating section furnace body 12 from the cooling section furnace body 29, and is connected with the heating section furnace body 12 by bolts 18. The bolt 20, the transition pipe Exhaust valve 19 forms.
冷却段炉体29位于过渡段炉体21的下方，用于对加热处理后的金属工件进行冷却，与过渡段炉体21之间采用螺栓20连接。过渡段炉体21和冷却段炉体29之间安装有隔离阀22，如图2所示，隔离阀22由法兰33、闸板34、压盖35、密封圈36、阀轴37、螺栓38组成。工作过程中隔离阀22的关闭和开启使得冷却段炉体29与加热段炉体12隔绝或联通，实现热处理炉的连续工作。冷却段炉体29由冷却段真空气阀23、炉门24、喷头25、冷却段排水阀26、冷却段还原性气体进气阀27、冷却段惰性气体进气阀28、冷却段炉体29、冷却段排气阀30、螺栓31、和底盖32组成。底盖32位于真空气氛热处理炉的最底端，与冷却段炉体29之间采用螺栓31连接。提升段炉体11采用304不锈钢制成，炉体长度为3米，上料筐13、过渡段炉体21、冷却段炉体29、底盖32均采用310s耐热钢制成，炉门24采用304不锈钢制成；加热段炉体12，炉体为圆形，采用310s耐热钢制成，炉体长度为3米，炉体外部采用普通电阻加热；喷头25采用304不锈钢管制成，在不锈钢管上均匀的分布着直径为2mm的喷孔；提升段真空气阀和冷却段真空气阀23外接真空泵。The furnace body 29 of the cooling section is located below the furnace body 21 of the transition section, and is used for cooling the metal workpiece after heat treatment, and is connected with the furnace body 21 of the transition section by bolts 20 . An isolation valve 22 is installed between the furnace body 21 in the transition section and the furnace body 29 in the cooling section. 38 compositions. Closing and opening of the isolation valve 22 during the working process makes the furnace body 29 of the cooling section isolated or communicated with the furnace body 12 of the heating section, so as to realize the continuous operation of the heat treatment furnace. Cooling section furnace body 29 is composed of cooling section vacuum valve 23, furnace door 24, nozzle 25, cooling section drain valve 26, cooling section reducing gas inlet valve 27, cooling section inert gas inlet valve 28, cooling section furnace body 29 , Cooling section exhaust valve 30, bolt 31, and bottom cover 32 composition. The bottom cover 32 is located at the bottom of the vacuum atmosphere heat treatment furnace, and is connected with the furnace body 29 of the cooling section by bolts 31 . The furnace body 11 in the lifting section is made of 304 stainless steel. The length of the furnace body is 3 meters. It is made of 304 stainless steel; the furnace body 12 in the heating section is round, made of 310s heat-resistant steel, the length of the furnace body is 3 meters, and the outside of the furnace body is heated by ordinary resistance; the nozzle 25 is made of 304 stainless steel tube. Spray holes with a diameter of 2mm are evenly distributed on the stainless steel pipe; the vacuum valve 23 in the lifting section and the vacuum air valve 23 in the cooling section are externally connected to a vacuum pump.
需要说明的是，这些例子仅是本装置的一些应用范例，不能解释为本发明要求保护范围的限制。It should be noted that these examples are only some application examples of the device, and should not be construed as limiting the protection scope of the present invention.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894034A (en) * | 2017-04-09 | 2017-06-27 | 柯富荣 | A kind of surface of workpiece reduction apparatus and its method |
| CN109141036A (en) * | 2018-09-17 | 2019-01-04 | 湖南湘瓷科艺有限公司 | A kind of continous way metallization furnace atmosphere stable regulation method and device |
| CN109868436A (en) * | 2019-03-27 | 2019-06-11 | 芜湖云邦铜业有限公司 | A kind of anti-oxidation high-temperature quick treatment process of alternating-current resistance welding wire |
| KR20210094760A (en) * | 2020-01-22 | 2021-07-30 | 김영철 | Electric furnace and Electric furnace system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894034A (en) * | 2017-04-09 | 2017-06-27 | 柯富荣 | A kind of surface of workpiece reduction apparatus and its method |
| CN106894034B (en) * | 2017-04-09 | 2018-12-04 | 柯富荣 | A kind of surface of workpiece reduction apparatus and its method |
| CN109141036A (en) * | 2018-09-17 | 2019-01-04 | 湖南湘瓷科艺有限公司 | A kind of continous way metallization furnace atmosphere stable regulation method and device |
| CN109141036B (en) * | 2018-09-17 | 2023-12-19 | 湖南湘瓷科艺有限公司 | Continuous metallization furnace atmosphere stable adjustment method |
| CN109868436A (en) * | 2019-03-27 | 2019-06-11 | 芜湖云邦铜业有限公司 | A kind of anti-oxidation high-temperature quick treatment process of alternating-current resistance welding wire |
| KR20210094760A (en) * | 2020-01-22 | 2021-07-30 | 김영철 | Electric furnace and Electric furnace system |
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| Publication number | Publication date |
|---|---|
| CN104073609B (en) | 2016-04-13 |
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