CN102557068B - Hollow glass 4A molecular sieve and preparation method thereof - Google Patents

Hollow glass 4A molecular sieve and preparation method thereof Download PDF

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Publication number
CN102557068B
CN102557068B CN 201110440163 CN201110440163A CN102557068B CN 102557068 B CN102557068 B CN 102557068B CN 201110440163 CN201110440163 CN 201110440163 CN 201110440163 A CN201110440163 A CN 201110440163A CN 102557068 B CN102557068 B CN 102557068B
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2sio
molecular sieve
hollow glass
preparation
raw material
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CN102557068A (en
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王小明
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MINGGUANG LONGTENG MINERAL CO Ltd
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MINGGUANG LONGTENG MINERAL CO Ltd
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Abstract

The invention discloses a hollow glass 4A molecular sieve and a preparation method thereof. The preparation method mainly comprises the following steps: agitating and mixing formed raw materials, i.e. Ca(OH)2, 2/3K2O*1/3Na2O*Al2O3*2SiO2*9/1H2O and Al2O3*2SiO2*2H2O according to a certain weight proportion, granulating and adding tanning agent myrica for particle polishing treatment, and adding into a roasting furnace for sintering; and packaging after detection separation and screening. The invention has the beneficial effect that the preparation method is simple, is low in raw material cost, can be used for preparing various chemical gas and liquid, drugs, electronic materials, hollow glass and other industrial drying agents and has a good drying effect.

Description

A kind of hollow glass 4 A molecular sieve and preparation method thereof
Technical field
The present invention relates to a kind of hollow glass 4 A molecular sieve and preparation method thereof, belong to glass manufacturing area.
Background technology
The main fractionated molecule sieve of the siccative that double glazing is used and silica gel, molecular sieve is silicon and the synthetic crystalline microporous material of aluminum oxide, is divided into category-A and X class.
The 4A molecular sieve is a kind of alkali metal aluminosilicate, energy planar water, NH 3, H 2S, sulfurous gas, carbonic acid gas, C 2H 5OH, C 2H 6, C 2H 4Be not more than the molecule of 4A Deng critical diameter, be widely used in the drying of gas, liquid, also can be used for the refining of some gas or liquid and purify, as producing of argon gas.
4A type molecular sieve main component is with silico-aluminate, forms the 4A aperture and is A type crystal structure sodium A type molecular sieve, possesses the screening molecule of absorption critical diameter 4A fully.
Summary of the invention
In order to alleviate shortcomings and deficiencies of the prior art, the object of the present invention is to provide a kind of hollow glass 4 A molecular sieve and preparation method thereof, preparation method of the present invention is simple, raw materials cost is cheap, can be used for the industrial siccative such as various chemical gases and liquid, medicine, electronic material, double glazing, drying effect is good.
The present invention adopts following technical scheme to achieve these goals:
Hollow glass 4 A molecular sieve is characterized in that the weight part of its constitutive material is: Ca (OH) 245-55%, molecular sieve 2/3K 2O*1/3Na 2O*Al 2O 3* 2SiO 2*9/1H 2O 33-38%, Al 2O 32SiO 22H 2O 8-12%, myrica extract 4-6%.
Described hollow glass 4 A molecular sieve is characterized in that the weight part of its constitutive material is: Ca (OH) 250%, 2/3K 2O*1/3Na 2O*Al 2O 3* 2SiO 2*9/1H 2O 35%, clay Al 2O 32SiO 22H 2O 10%, myrica extract 5%.
The preparation method of described hollow glass 4 A molecular sieve is characterized in that comprising the following steps:
(1) weight part by constitutive material takes each component raw material, then with Ca (OH) 2, 2/3K 2O*1/3Na 2O*Al 2O 3*2SiO 2*9/1H 2O, Al 2O 32SiO 22H 2O adds and mixes when beginning in unit to be stirred to 15-20 minute, stirs water spray simultaneously, makes its raw material moisture content approximately 30%, again pulverizes;
(2) tablets press begins raw material is further processed, and makes it become particulate state, and diameter is 0.6-3.0mm, after the particle diameter of product begins to take shape, adds myrica extract, carries out particle polishing and processes 8-12 minute formation preliminary product;
(3) preliminary product is dropped in stoving oven, carry out the processing of product subordinate phase, in baking process, the control temperature to high temperature 750-850 ℃, kept sintering by the end temperature 2.8-3.2 hour;
(4) detect Isolation and screening, then pack, packaging temp is controlled at 95-105 ℃.
Beneficial effect of the present invention:
Preparation method of the present invention is simple, and raw materials cost is cheap, can be used for the industrial siccative such as various chemical gases and liquid, medicine, electronic material, double glazing, and drying effect is good.
Embodiment
Embodiment 1: hollow glass 4 A molecular sieve, the weight part of its constitutive material is: Ca (OH) 250%, 2/3K 2O*1/3Na 2O*Al 2O 3* 2SiO 2*9/1H 2O 35%, Al 2O 32SiO 22H 2O 10% and myrica extract 5%.
The preparation method of hollow glass 4 A molecular sieve comprises the following steps:
(1) weight part by constitutive material takes each component raw material, then with Ca (OH) 2, 2/3K 2O*1/3Na 2O*Al 2O 3*2SiO 2*9/1H 2O, Al 2O 32SiO 22H 2O adds and mixes when beginning in unit to be stirred to 15-20 minute, stirs water spray simultaneously, makes its raw material moisture content approximately 30%, again pulverizes;
(2) tablets press begins raw material is further processed, and makes it become particulate state, and diameter is 0.6-3.0mm, after the particle diameter of product begins to take shape, adds myrica extract, carries out particle polishing and processes 8-12 minute formation preliminary product;
(3) preliminary product is dropped in stoving oven, carry out the processing of product subordinate phase, in baking process, the control temperature to high temperature 750-850 ℃, kept sintering by the end temperature 2.8-3.2 hour;
(4) detect Isolation and screening, then pack, packaging temp is controlled at 95-105 ℃.
The performance of the hollow glass 4 A molecular sieve that the present invention makes:
Figure BDA0000124631750000021

Claims (1)

1. a hollow glass 4 A molecular sieve, is characterized in that the weight part of its constitutive material is: Ca (OH) 245-55%, molecular sieve 2/3K 2O*1/3 Na 2O* Al 2O 3* 2SiO 2* 9/1 H 2O 33-38%, clay Al 2O 32SiO 22H 2O 8-12%, myrica extract 4-6%; Its preparation method comprises the following steps:
(1) weight part by constitutive material takes each component raw material, then with Ca (OH) 2, 2/3K 2O*1/3 Na 2O* Al 2O 3* 2SiO 2* 9/1 H 2O, Al 2O 32SiO 22H 2O adds and mixes when beginning in unit to be stirred to 15-20 minute, stirs water spray simultaneously, makes its raw material moisture content 30%, again pulverizes;
(2) tablets press begins raw material is further processed, and makes it become particulate state, and diameter is 0.6-3.0mm, after the particle diameter of product begins to take shape, adds myrica extract, carries out particle polishing and processes 8-12 minute formation preliminary product;
(3) preliminary product is dropped in stoving oven, carry out the processing of product subordinate phase, in baking process, the control temperature to high temperature 750-850 ℃, kept sintering by the end temperature 2.8-3.2 hour;
(4) detect Isolation and screening, then pack, packaging temp is controlled at 95-105 ℃.
2, hollow glass 4 A molecular sieve according to claim 1 is characterized in that the weight part of its constitutive material is: Ca (OH) 250%, 2/3K 2O*1/3 Na 2O* Al 2O 3* 2SiO 2* 9/1 H 2O 35%, Al 2O 32SiO 22H 2O 10%, myrica extract 5%.
CN 201110440163 2011-12-26 2011-12-26 Hollow glass 4A molecular sieve and preparation method thereof Expired - Fee Related CN102557068B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 201110440163 CN102557068B (en) 2011-12-26 2011-12-26 Hollow glass 4A molecular sieve and preparation method thereof

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104556118B (en) * 2013-10-09 2016-04-27 中国石油化工股份有限公司 One has cancellated hollow tubular A type molecular sieve and preparation method thereof
CN113578261B (en) * 2021-08-11 2023-05-23 南京荣运昌化工有限公司 Production equipment of hollow glass molecular sieve with low nitrogen absorption and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1242180B1 (en) * 1999-12-13 2004-10-20 Süd-Chemie Ag Laminated pressed articles
CN101445254A (en) * 2008-12-31 2009-06-03 平朔煤炭工业公司 Method for producing 4A molecular sieve
CN101693542A (en) * 2009-10-09 2010-04-14 西安建筑科技大学 Production method of 4-A molecular sieve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1242180B1 (en) * 1999-12-13 2004-10-20 Süd-Chemie Ag Laminated pressed articles
CN101445254A (en) * 2008-12-31 2009-06-03 平朔煤炭工业公司 Method for producing 4A molecular sieve
CN101693542A (en) * 2009-10-09 2010-04-14 西安建筑科技大学 Production method of 4-A molecular sieve

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
4A沸石分子筛的合成、结构与性能研究;韩淑芸等;《青岛大学学报》;19970930;第10卷(第3期);第31-36页 *
韩淑芸等.4A沸石分子筛的合成、结构与性能研究.《青岛大学学报》.1997,第10卷(第3期),第31-36页.

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