CN107999021A - 一种微尺寸陶瓷过滤器 - Google Patents

一种微尺寸陶瓷过滤器 Download PDF

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CN107999021A
CN107999021A CN201711239549.6A CN201711239549A CN107999021A CN 107999021 A CN107999021 A CN 107999021A CN 201711239549 A CN201711239549 A CN 201711239549A CN 107999021 A CN107999021 A CN 107999021A
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陆小荣
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Wuxi Institute of Arts and Technology
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/12—Naturally occurring clays or bleaching earth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/14—Diatomaceous earth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/16—Alumino-silicates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character

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Abstract

本发明公开了一种微尺寸陶瓷过滤器，所述过滤器所含原料及各原料的重量份数为：硅藻土60‑85份；蒙脱土10‑30份；蛭石5‑10份；气相白炭黑2‑8份；聚乙烯5‑10份；陶瓷纤维2‑6份。本发明过滤器具有孔隙率高、吸附能力强且具有较高的机械强度。

Description

一种微尺寸陶瓷过滤器
技术领域
本发明涉及过滤器技术领域，尤其是涉及一种通过硅藻土、蒙脱土等原料制备的微尺寸陶瓷过滤器。
背景技术
传统多孔陶瓷和陶瓷滤芯利用硅藻土的天然多孔结构可以去除细菌和大分子有机物，但是该类过滤器用于固液分离、液体澄清净化灯过滤技术领域时，对操作过程有严格的要求，出现大的液压时会造成滤层的龟裂或脱落，因此，导致过滤失败。
发明内容
针对现有技术存在的上述问题，本发明申请提供了一种微尺寸陶瓷过滤器及其制备方法。本发明过滤器具有孔隙率高、吸附能力强且具有较高的机械强度。
本发明的技术方案如下：
一种微尺寸陶瓷过滤器，所述过滤器所含原料及各原料的重量份数为：
所述微尺寸陶瓷过滤器的制备方法为：
(1)将60-85份硅藻土、5-10份蛭石和2-8份气相白炭黑置于行星磨中研磨5-10min；
(2)将步骤(1)制得的研磨产物与10-30份蒙脱土、5-10份聚乙烯、2-6份陶瓷纤维混合，之后再加入40-60份去离子水，搅拌成糊状浆料；
(3)将步骤(2)所得糊状浆料冷冻干燥成块状；
(4)将步骤(3)所得块状浆料置于模具中，并采用液压机压制成滤片；液压机的压力为800～900kgf/cm2；
(5)将步骤(4)所得滤片置于隧道式高温烧结窑中，调节炉温为1100-1300℃，烧结24-32h后保温2h，之后取出滤片，自然冷却至室温，制得所述微尺寸陶瓷过滤器。
本发明有益的技术效果在于：
本发明过滤器以硅藻土为主原料，搭配蒙脱土、蛭石等配合原料，多种原料配伍，压制而成的片状过滤器具有高孔隙度、吸附能力强且力学性能提高的特点。
具体实施方式
下面结合实施例，对本发明进行具体描述。
实施例1
一种微尺寸陶瓷过滤器，所述过滤器的制备方法为：
(1)将85份硅藻土、5份蛭石和6份气相白炭黑置于行星磨中研磨10min；
(2)将步骤(1)制得的研磨产物与10份蒙脱土、6份聚乙烯、4份陶瓷纤维混合，之后再加入40份去离子水，搅拌成糊状浆料；
(3)将步骤(2)所得糊状浆料冷冻干燥成块状；
(4)将步骤(3)所得块状浆料置于模具中，并采用液压机压制成滤片；液压机的压力为900kgf/cm2；
(5)将步骤(4)所得滤片置于隧道式高温烧结窑中，调节炉温为1100℃，烧结24h后保温2h，之后取出滤片，自然冷却至室温，制得所述微尺寸陶瓷过滤器。
实施例2
一种微尺寸陶瓷过滤器，所述过滤器的制备方法为：
(1)将60份硅藻土、10份蛭石和8份气相白炭黑置于行星磨中研磨8min；
(2)将步骤(1)制得的研磨产物与20份蒙脱土、5份聚乙烯、6份陶瓷纤维混合，之后再加入50份去离子水，搅拌成糊状浆料；
(3)将步骤(2)所得糊状浆料冷冻干燥成块状；
(4)将步骤(3)所得块状浆料置于模具中，并采用液压机压制成滤片；液压机的压力为800kgf/cm2；
(5)将步骤(4)所得滤片置于隧道式高温烧结窑中，调节炉温为1300℃，烧结24h后保温2h，之后取出滤片，自然冷却至室温，制得所述微尺寸陶瓷过滤器。
实施例3
一种微尺寸陶瓷过滤器，所述过滤器的制备方法为：
(1)将70份硅藻土、8份蛭石和2份气相白炭黑置于行星磨中研磨5min；
(2)将步骤(1)制得的研磨产物与30份蒙脱土、10份聚乙烯、2份陶瓷纤维混合，之后再加入60份去离子水，搅拌成糊状浆料；
(3)将步骤(2)所得糊状浆料冷冻干燥成块状；
(4)将步骤(3)所得块状浆料置于模具中，并采用液压机压制成滤片；液压机的压力为850kgf/cm2；
(5)将步骤(4)所得滤片置于隧道式高温烧结窑中，调节炉温为1200℃，烧结28h后保温2h，之后取出滤片，自然冷却至室温，制得所述微尺寸陶瓷过滤器。
测试例：
(1)采用本发明实施例1所得过滤器过滤浓度为5×102个/ml的大肠杆菌悬液；实施例2所得过滤器过滤浓度为5×105个/ml的大肠杆菌悬液；结果显示不管大肠杆菌浓度的大小，均可以99％被本发明过滤器过滤掉，说明本发明陶瓷过滤器对细菌有很好的过滤效果。
(2)采用GB/T 1943-2007方法测试本发明实施例3所得过滤器的冲击强度为12kj/m2，本发明产品具有良好的抗冲击强度。

Claims (3)

1.一种微尺寸陶瓷过滤器，其特征在于所述过滤器所含原料及各原料的重量份数为：
2.根据权利要求1所述的微尺寸陶瓷过滤器，其特征在于所述过滤器的制备方法为：
(1)将60-85份硅藻土、5-10份蛭石和2-8份气相白炭黑置于行星磨中研磨5-10min；
(2)将步骤(1)制得的研磨产物与10-30份蒙脱土、5-10份聚乙烯、2-6份陶瓷纤维混合，之后再加入40-60份去离子水，搅拌成糊状浆料；
(3)将步骤(2)所得糊状浆料冷冻干燥成块状；
(4)将步骤(3)所得块状浆料置于模具中，并采用液压机压制成滤片；
(5)将步骤(4)所得滤片置于隧道式高温烧结窑中，调节炉温为1100-1300℃，烧结24-32h后保温2h，之后取出滤片，自然冷却至室温，制得所述微尺寸陶瓷过滤器。
3.根据权利要求2所述的微尺寸陶瓷过滤器，其特征在于所述步骤(4)中采用液压机的压力为800～900kgf/cm2。
CN201711239549.6A 2017-11-30 2017-11-30 一种微尺寸陶瓷过滤器 Pending CN107999021A (zh)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104043288A (zh) * 2014-05-20 2014-09-17 浙江朝晖过滤技术股份有限公司 一种纳米银硅藻土抗菌滤芯及其制备方法
CN105777061A (zh) * 2014-12-14 2016-07-20 西安泽华建筑装饰工程有限责任公司 一种厨房用的陶瓷砖

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104043288A (zh) * 2014-05-20 2014-09-17 浙江朝晖过滤技术股份有限公司 一种纳米银硅藻土抗菌滤芯及其制备方法
CN105777061A (zh) * 2014-12-14 2016-07-20 西安泽华建筑装饰工程有限责任公司 一种厨房用的陶瓷砖

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