CN106747472A - 一种锥形套筒及其制造方法 - Google Patents

一种锥形套筒及其制造方法 Download PDF

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CN106747472A
CN106747472A CN201710043394.2A CN201710043394A CN106747472A CN 106747472 A CN106747472 A CN 106747472A CN 201710043394 A CN201710043394 A CN 201710043394A CN 106747472 A CN106747472 A CN 106747472A
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conical sleeve
silicon nitride
sintering
nitride ceramics
temperature
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李刚
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New Delong Special Ceramics (dalian) Co Ltd
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New Delong Special Ceramics (dalian) Co Ltd
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    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D59/00—Plugs, sleeves, caps, or like rigid or semi-rigid elements for protecting parts of articles or for bundling articles, e.g. protectors for screw-threads, end caps for tubes or for bundling rod-shaped articles
    • B65D59/04—Sleeves, e.g. postal tubes
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6562—Heating rate
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    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time
    • C—CHEMISTRY; METALLURGY
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/658—Atmosphere during thermal treatment

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  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
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  • Inorganic Chemistry (AREA)
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Abstract

本发明提出了一种锥形套筒及其制造方法，该锥形套筒为氮化硅陶瓷筒，其外壁还设有铸造件，其制造方法包括如下步骤：第一步，将氮化硅陶瓷样品在真空干燥箱中烘干48h‑96h，烘干温度为35℃‑70℃；第二步，将烘干后的样品在气氛压力烧结炉内氮气保护下烧结，烧结温度为1720℃‑1800℃，升温速率为0.5℃/min‑2℃/min，炉内温度达到烧结温度后保温烧结时间为1h‑2h。该锥形套筒由于采用高耐热耐磨的氮化硅陶瓷制造，具有良好的耐磨、导热性，同时散热速度快，降低了套筒的磨损速度，从而延长其使用寿命。

Description

一种锥形套筒及其制造方法
技术领域
本发明涉及套筒技术领域，特别涉及一种锥形套筒及其制造方法。
背景技术
国内火力发电厂火车来煤的接卸可以通过翻车机、火车煤沟的方式卸煤，采用火车煤沟卸煤的电厂，煤沟上方卸煤机械一般采用螺旋卸车机。当煤质较差时，如煤中含有一定量的石块、木块等杂质，会对锥形套筒产生摩擦磨损，现有的锥形套筒的材质耐磨损性差，从而缩短使用寿命，且损坏后需要进行检修，造成时间和资金的浪费，有待于改进。
发明内容
本发明提出一种锥形套筒及其制造方法，解决了现有技术中锥形套筒耐磨性差等问题。
本发明的技术方案是这样实现的：
一种锥形套筒为氮化硅陶瓷筒，其外壁还设有铸造件。
优选方案为，所述氮化硅陶瓷筒的硬度为HRA92。
优选方案为，所述氮化硅陶瓷筒制造过程中，其样品在真空干燥箱中烘干时间为48h-96h，烘干温度为35℃-70℃。
优选方案为，所述氮化硅陶瓷筒制造过程中，其样品在气氛压力烧结炉内氮气保护下烧结，烧结温度为1720℃-1800℃，升温速率为0.5℃/min-2℃/min，炉内温度达到烧结温度后保温烧结时间为1h-2h。
优选方案为，所述气氛压力烧结炉内需装入石墨工装。
一种锥形套筒的制造方法，其包括如下步骤：
第一步，将氮化硅陶瓷样品在真空干燥箱中烘干48h-96h，烘干温度为35℃-70℃；
第二步，将烘干后的样品在气氛压力烧结炉内氮气保护下烧结，烧结温度为1720℃-1800℃，升温速率为0.5℃/min-2℃/min，炉内温度达到烧结温度后保温烧结时间为1h-2h。
优选方案为，该烧结中的气氛压力烧结炉内需装入石墨工装。
本发明的有益效果为：
本发明的锥形套筒由于采用高耐热耐磨的氮化硅陶瓷制造，具有良好的耐磨、导热性，同时散热速度快，降低了套筒的磨损速度，从而延长其使用寿命。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明锥行套筒的结构示意图。
图中：
10、氮化硅陶瓷筒；20、铸造件。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
如图1所示，该锥形套筒为氮化硅陶瓷筒10，其外壁还设有铸造件20，本实施例中，该铸造件20为金属件。该氮化硅陶瓷筒10的硬度为HRA92。该锥形套筒的高度为495㎜；小径口端内径为152㎜，外径为176㎜；大口径端内径230㎜，外径254㎜。
该氮化硅陶瓷筒制造过程中，其样品在真空干燥箱中烘干时间为48h-96h，烘干温度为35℃-70℃。在气氛压力烧结炉内氮气保护下烧结，烧结温度为1720℃-1800℃，升温速率为0.5℃/min-2℃/min，炉内温度达到烧结温度后保温烧结时间为1h-2h。该气氛压力烧结炉内需装入石墨工装。
本发明还提供氮化硅陶瓷筒的制造方法，其包括如下步骤：
第一步，将氮化硅陶瓷样品在真空干燥箱中烘干48h-96h，烘干温度为35℃-70℃；
第二步，将烘干后的样品在气氛压力烧结炉内氮气保护下烧结，烧结温度为1720℃-1800℃，升温速率为0.5℃/min-2℃/min，炉内温度达到烧结温度后保温烧结时间为1h-2h。该烧结中的气氛压力烧结炉内需装入石墨工装。
该锥形套筒由于采用高耐热耐磨的氮化硅陶瓷制造，具有良好的耐磨、导热性，同时散热速度快，降低了套筒的磨损速度，从而延长其使用寿命。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (7)

1.一种锥形套筒，其特征在于：该锥形套筒为氮化硅陶瓷筒，其外壁还设有铸造件。
2.如权利要求1所述的锥形套筒，其特征在于：所述氮化硅陶瓷筒的硬度为HRA92。
3.如权利要求1所述的锥形套筒，其特征在于：所述氮化硅陶瓷筒制造过程中，其样品在真空干燥箱中烘干时间为48h-96h，烘干温度为35℃-70℃。
4.如权利要求3所述的锥形套筒，其特征在于：所述氮化硅陶瓷筒制造过程中，其样品在气氛压力烧结炉内氮气保护下烧结，烧结温度为1720℃-1800℃，升温速率为0.5℃/min-2℃/min，炉内温度达到烧结温度后保温烧结时间为1h-2h。
5.如权利要求4所述的锥形套筒，其特征在于：所述气氛压力烧结炉内需装入石墨工装。
6.一种锥形套筒的制造方法，其包括如下步骤：
第一步，将氮化硅陶瓷样品在真空干燥箱中烘干48h-96h，烘干温度为35℃-70℃；
第二步，将烘干后的样品在气氛压力烧结炉内氮气保护下烧结，烧结温度为1720℃-1800℃，升温速率为0.5℃/min-2℃/min，炉内温度达到烧结温度后保温烧结时间为1h-2h。
7.如权利要求6所述的锥形套筒的制造方法，其特征在于：该烧结中的气氛压力烧结炉内需装入石墨工装。
CN201710043394.2A 2017-01-19 2017-01-19 一种锥形套筒及其制造方法 Pending CN106747472A (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101538161A (zh) * 2009-01-21 2009-09-23 北京中材人工晶体有限公司 一种高致密长寿命的氮化硅陶瓷材料
CN101962297A (zh) * 2010-10-20 2011-02-02 北京中材人工晶体研究院有限公司 一种多晶硅还原炉用氮化硅陶瓷环的制备方法
CN102070341A (zh) * 2009-11-19 2011-05-25 长沙平拓新材料科技有限公司 一种自增韧氮化硅陶瓷微波固相合成制备方法
CN203439518U (zh) * 2013-07-22 2014-02-19 河南华润电力古城有限公司 一种螺旋卸车机变速箱防积煤装置
CN103588489A (zh) * 2013-09-30 2014-02-19 淄博硅元泰晟陶瓷新材料有限公司 低压铸造用氮化硅复合陶瓷升液管及其制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101538161A (zh) * 2009-01-21 2009-09-23 北京中材人工晶体有限公司 一种高致密长寿命的氮化硅陶瓷材料
CN102070341A (zh) * 2009-11-19 2011-05-25 长沙平拓新材料科技有限公司 一种自增韧氮化硅陶瓷微波固相合成制备方法
CN101962297A (zh) * 2010-10-20 2011-02-02 北京中材人工晶体研究院有限公司 一种多晶硅还原炉用氮化硅陶瓷环的制备方法
CN203439518U (zh) * 2013-07-22 2014-02-19 河南华润电力古城有限公司 一种螺旋卸车机变速箱防积煤装置
CN103588489A (zh) * 2013-09-30 2014-02-19 淄博硅元泰晟陶瓷新材料有限公司 低压铸造用氮化硅复合陶瓷升液管及其制备方法

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