公开(公告)号：KR100430477B1

公开(公告)日：2004-05-10

申请号：KR1020010005380

申请日：2001-02-05

Applicant: 박재구

Inventor： 박재구 ,  정영 ,  이정식 ,  박제현 ,  이태경 ,  정혜영 ,  김현중 ,  이광희

IPC: C04B38/10

Abstract: PURPOSE: A method of manufacturing porous ceramic pellets by using double emulsion method is provided, which is possible to control pore size, porosity thereof by varying agitation rate and the amount of distilled water to be added. CONSTITUTION: The preparation method of porous ceramic pellet includes the steps of (S10) mixing 100 parts by weight of inorganic powder together with 20-35 parts by weight of distilled water and 3-8 parts by weight of viscosity controller; (S20) ball-milling above mixture so as to prepare a slurry having an average diameter of 5μm and a viscosity of 80 to 2000 cp; (S30) adding 0.15-1.50 parts by weight of a foaming agent in the slurry and then agitate the mixture for foaming; (S40) adding 1-3 parts by weight of a gelation agent such as aqueous epoxy resin in the foamy slurry, followed by slow agitation at 600 rpm; (S50) adding a nonvolatile dispersion media having a specific gravity of 0.7 to 0.8 such as paraffin and silicon oil, followed by slow agitation at 50-200 rpm for 30 to 60 min for pelletization ; and (S60) after drying the pellet, calcining the dried pellet up to 1100-1600deg.C at a rate of 1-3deg.C/min.

Abstract translation: 目的：提供一种使用双重乳化法制造多孔陶瓷颗粒的方法，通过改变搅拌速度和蒸馏水的添加量，可以控制孔径，孔隙率。 一种多孔陶瓷颗粒的制备方法，包括以下步骤：（S10）将100重量份无机粉末与20-35重量份蒸馏水和3-8重量份粘度控制剂混合; （S20）将上述混合物球磨以制备平均直径为5μm和粘度为80-2000cp的浆料; （S30）在浆料中加入0.15-1.50重量份发泡剂，然后搅拌混合物发泡; （S40）在泡沫浆料中加入1-3重量份胶凝剂如水性环氧树脂，接着以600rpm缓慢搅拌; （S50）加入比重为0.7-0.8的非挥发性分散介质如石蜡和硅油，接着以50-200rpm缓慢搅拌30-60分钟以造粒; 和（S60）干燥颗粒后，将干燥的颗粒以1-3℃/分钟的速率煅烧至1100-1600℃。

公开(公告)号：KR100430478B1

公开(公告)日：2004-05-10

申请号：KR1020010005381

申请日：2001-02-05

Applicant: 박재구

Inventor： 박재구 ,  정영 ,  이정식 ,  박제현 ,  이태경 ,  정혜영 ,  김현중 ,  이광희

IPC: C04B38/10 ,  B01D39/20

Abstract: PURPOSE: A method of manufacturing a porous ceramic filter for dust collection is provided, which is characterized in that on the surface of a filter substrate having a porosity of 80% and an average pore size of 100-200 μm, a filtering layer having the porosity of 30% and an average pore size of 1-10 μm is coated so that it is possible to increase air-permeability while having improved filtering performance. CONSTITUTION: The method of porous ceramic filter for dust collection includes the steps of (S10) mixing 100 parts by weight of inorganic powder together with 20-35 parts by weight of distilled water and 3-8 parts by weight of viscosity controller; (S20) ball-milling above mixture so as to prepare a slurry having an average diameter of 5μm and a viscosity of 80 to 2000 cp; (S30) adding 0.15-1.50 parts by weight of a foaming agent in the slurry and then agitating the mixture at over 1200 rpm until the volume of slurry foam becomes quadruple in comparison with initial slurry volume; (S40) adding 1-3 parts by weight of a gelation agent such as aqueous epoxy resin in the foamy slurry, followed by slow agitation at 600 rpm; (S50) dry-forming of the gelled slurry in the form of filter; (S60) dipping the obtained filter in the slurry of 2nd step so as to form a coat thereon; and then (S70) calcining the coated filter in a furnace up to 1100 to 1600deg.C at a rate of 1-3deg.C/min.

Abstract translation: 目的：提供一种制造用于集尘的多孔陶瓷过滤器的方法，其特征在于，在孔隙率为80％且平均孔径为100-200μm的过滤器基材的表面上， 具有30％的孔隙率和1-10μm的平均孔径的过滤层被涂覆，使得可以在提高过滤性能的同时增加透气性。 一种多孔陶瓷过滤集尘的方法，包括以下步骤：（S10）将100重量份无机粉末与20-35重量份蒸馏水和3-8重量份粘度控制剂混合; （S20）将上述混合物球磨以制备平均直径为5μm和粘度为80-2000cp的浆料; （S30）在浆料中加入0.15-1.50重量份发泡剂，然后以1200rpm的速度搅拌混合物直至浆料泡沫的体积与初始浆料体积相比变成四倍; （S40）在泡沫浆料中加入1-3重量份胶凝剂如水性环氧树脂，接着以600rpm缓慢搅拌; （S50）以过滤器的形式干燥形成胶凝浆料; （S60）将所获得的过滤器浸渍在第二步的浆料中以在其上形成涂层; 然后（S70）以1-3℃/分钟的速率在炉中煅烧涂覆的过滤器至1100至1600℃。

公开(公告)号：KR1020020065043A

公开(公告)日：2002-08-13

申请号：KR1020010005380

申请日：2001-02-05

Applicant: 박재구

Inventor： 박재구 ,  정영 ,  이정식 ,  박제현 ,  이태경 ,  정혜영 ,  김현중 ,  이광희

IPC: C04B38/10

CPC classification number: C04B38/10 ,  B01D39/2093 ,  B01J32/00 ,  C04B35/6261 ,  C04B35/632 ,  C04B35/64 ,  C04B2111/00793 ,  C04B2111/0081 ,  C04B2111/40

Abstract: PURPOSE: A method of manufacturing porous ceramic pellets by using double emulsion method is provided, which is possible to control pore size, porosity thereof by varying agitation rate and the amount of distilled water to be added. CONSTITUTION: The preparation method of porous ceramic pellet includes the steps of (S10) mixing 100 parts by weight of inorganic powder together with 20-35 parts by weight of distilled water and 3-8 parts by weight of viscosity controller; (S20) ball-milling above mixture so as to prepare a slurry having an average diameter of 5μm and a viscosity of 80 to 2000 cp; (S30) adding 0.15-1.50 parts by weight of a foaming agent in the slurry and then agitate the mixture for foaming; (S40) adding 1-3 parts by weight of a gelation agent such as aqueous epoxy resin in the foamy slurry, followed by slow agitation at 600 rpm; (S50) adding a nonvolatile dispersion media having a specific gravity of 0.7 to 0.8 such as paraffin and silicon oil, followed by slow agitation at 50-200 rpm for 30 to 60 min for pelletization ; and (S60) after drying the pellet, calcining the dried pellet up to 1100-1600deg.C at a rate of 1-3deg.C/min.

Abstract translation: 目的：提供通过使用双乳液法制造多孔陶瓷颗粒的方法，其可以通过改变搅拌速率和添加的蒸馏水的量来控制孔径，孔隙率。 构成：多孔陶瓷丸的制备方法包括以下步骤：（S10）将100重量份的无机粉末与20-35重量份的蒸馏水和3-8重量份的粘度控制剂混合; （S20）在混合物上进行球磨，以制备平均直径为5μm，粘度为80至2000cp的浆料; （S30）在浆料中加入0.15-1.50重量份的发泡剂，然后搅拌混合物进行发泡; （S40）在泡沫状浆料中加入1-3重量份凝胶剂如水性环氧树脂，然后以600rpm缓慢搅拌; （S50）添加石蜡和硅油等比重为0.7〜0.8的非挥发性分散介质，然后在50〜200rpm下缓慢搅拌30〜60分钟造粒; （S60）干燥后，以1-3℃/分钟的速度将干燥的颗粒煅烧至1100-1600℃。

公开(公告)号：KR1020010056771A

公开(公告)日：2001-07-04

申请号：KR1019990058380

申请日：1999-12-16

Applicant: 박재구

Inventor： 박재구 ,  이정식 ,  이태경 ,  이승인 ,  박제현

IPC: C04B38/02

CPC classification number: C04B38/10 ,  C04B35/63452 ,  C04B2103/40 ,  C04B2235/6562 ,  C04B2235/722

Abstract: PURPOSE: Provided is a production process of porous ceramics which utilizes a foam method to form a pore by keeping viscosity to a certain degree and stirring and raises the stability of slurry foam so that it keeps the size of the pore uniform. CONSTITUTION: The production process of porous ceramics by the foam method comprises the steps of: (i) adding 20-35wt% of distilled water and 3-8wt% of viscosity adjuster to 100wt% of inorganic powder; (ii) crushing in a ball-mill to produce slurry with less than 5 micrometer in average granularity and 80-2000cp in viscosity; (iii) putting slurry into a stirrer and adding 0.15-1.50wt% of foaming agent to stir at high rate to form slurry foam; (iv) adding 1-3wt% of gelling agent, stirring at low rate, molding in a certain type and charging into a furnace; and (v) raising temperature to 1100-1600deg.C at 1-3 deg.C/min to fire.

Abstract translation: 目的：提供一种多孔陶瓷的制造方法，其利用泡沫法通过一定程度地保持粘度而形成孔，并且搅拌并提高浆料泡沫的稳定性，使其保持孔的尺寸均匀。 构成：通过泡沫法制备多孔陶瓷的方法包括以下步骤：（i）向100重量％的无机粉末中加入20-35重量％的蒸馏水和3-8重量％的粘度调节剂; （ii）在球磨机中粉碎以产生平均粒度小于5微米和粘度为80-2000cp的浆料; （iii）将浆料投入搅拌器中，加入0.15-1.50重量％的发泡剂以高速搅拌形成浆料泡沫; （iv）加入1-3重量％的胶凝剂，低速搅拌，成型并加入炉中; （v）以1-3℃/ min将温度升至1100-1600℃，开火。

公开(公告)号：KR100353162B1

公开(公告)日：2002-09-18

申请号：KR1019990058380

申请日：1999-12-16

Applicant: 박재구

Inventor： 박재구 ,  이정식 ,  이태경 ,  이승인 ,  박제현

IPC: C04B38/02

Abstract: 본발명은다공질세라믹스의제조방법에관한것으로, 스펀지나충전재를이용하지않고기공을형성시킬수 있을뿐 아니라기공률및 기공크기의조절이가능하며출발원료의종류에제한받지않는포말법에의한다공질세라믹스의제조방법을제공하는데그 목적이있으며, 상기한목적을달성하기위하여본 발명은, 세라믹으로사용되는무기질분말 100중량부에대하여증류수 20중량부내지 35중량부및 점도조절제 3중량부내지 8중량부를첨가한후 볼밀로분쇄하여원료입자의입도가 5㎛이하이고점도가 80cp 내지 2000cp인슬러리를제조한다음, 상기슬러리를교반기에넣고여기에기포제로소수기의탄소수가 10 내지 17인음이온계면활성제또는양이온계면활성제를 0.15중량부내지 1.50중량부첨가하고고속으로교반하여슬러리의거품을형성시키고, 겔화제를 1중량부내지 3중량부첨가하여다시저속으로교반혼합하고일정한형태로성형건조하여로내에장입시켜 1℃/min 내지 3℃/min의속도로 1100℃내지 1600℃까지승온시켜소성하는것을특징으로하는포말법에의한다공질세라믹스의제조방법을제공한다.

公开(公告)号：KR1020020065044A

公开(公告)日：2002-08-13

申请号：KR1020010005381

申请日：2001-02-05

Applicant: 박재구

Inventor： 박재구 ,  정영 ,  이정식 ,  박제현 ,  이태경 ,  정혜영 ,  김현중 ,  이광희

IPC: C04B38/10 ,  B01D39/20

CPC classification number: C04B38/10 ,  B01D39/2093 ,  C04B35/6261 ,  C04B35/63 ,  C04B41/50 ,  C04B2111/00793 ,  C04B2111/40

Abstract: PURPOSE: A method of manufacturing a porous ceramic filter for dust collection is provided, which is characterized in that on the surface of a filter substrate having a porosity of 80% and an average pore size of 100-200 μm, a filtering layer having the porosity of 30% and an average pore size of 1-10 μm is coated so that it is possible to increase air-permeability while having improved filtering performance. CONSTITUTION: The method of porous ceramic filter for dust collection includes the steps of (S10) mixing 100 parts by weight of inorganic powder together with 20-35 parts by weight of distilled water and 3-8 parts by weight of viscosity controller; (S20) ball-milling above mixture so as to prepare a slurry having an average diameter of 5μm and a viscosity of 80 to 2000 cp; (S30) adding 0.15-1.50 parts by weight of a foaming agent in the slurry and then agitating the mixture at over 1200 rpm until the volume of slurry foam becomes quadruple in comparison with initial slurry volume; (S40) adding 1-3 parts by weight of a gelation agent such as aqueous epoxy resin in the foamy slurry, followed by slow agitation at 600 rpm; (S50) dry-forming of the gelled slurry in the form of filter; (S60) dipping the obtained filter in the slurry of 2nd step so as to form a coat thereon; and then (S70) calcining the coated filter in a furnace up to 1100 to 1600deg.C at a rate of 1-3deg.C/min.

Abstract translation: 目的：提供一种制造用于集尘的多孔陶瓷过滤器的方法，其特征在于，在孔隙率为80％，平均孔径为100-200μm的过滤器基材的表面上，具有 涂覆30％的孔隙率和1-10μm的平均孔径，使得可以提高透气性同时具有改进的过滤性能。 构成：用于集尘的多孔陶瓷过滤器的方法包括以下步骤：（S10）将100重量份的无机粉末与20-35重量份的蒸馏水和3-8重量份的粘度控制器混合; （S20）在混合物上进行球磨，以制备平均直径为5μm，粘度为80至2000cp的浆料; （S30）在浆料中加入0.15-1.50重量份的发泡剂，然后以1200rpm的速度搅拌混合物，直到浆料泡沫的体积与初始浆料体积相比变为4倍; （S40）在泡沫状浆料中加入1-3重量份凝胶剂如水性环氧树脂，然后以600rpm缓慢搅拌; （S50）以过滤器的形式干燥成型胶凝浆料; （S60）将获得的过滤器浸渍在第二步骤的浆料中，以在其上形成涂层; 然后（S70）以1-3℃/分钟的速度在1100至1600℃的炉中煅烧涂布的过滤器。