CN113426407A - Zero-drying-period honeycomb zeolite and preparation method thereof - Google Patents
Zero-drying-period honeycomb zeolite and preparation method thereof Download PDFInfo
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- CN113426407A CN113426407A CN202110779093.2A CN202110779093A CN113426407A CN 113426407 A CN113426407 A CN 113426407A CN 202110779093 A CN202110779093 A CN 202110779093A CN 113426407 A CN113426407 A CN 113426407A
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- 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
- B01J20/18—Synthetic zeolitic molecular sieves
- B01J20/186—Chemical treatments in view of modifying the properties of the sieve, e.g. increasing the stability or the activity, also decreasing the activity
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- 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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28042—Shaped bodies; Monolithic structures
- B01J20/28045—Honeycomb or cellular structures; Solid foams or sponges
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Abstract
The embodiment of the invention provides a zero-drying-period honeycomb zeolite and a preparation method thereof, wherein the preparation method comprises the following steps: weighing all the raw materials according to a pre-designed proportion; adding the weighed main materials into a double-helix mixer, mixing for 2-3 hours, and pug mulling: uniformly mixing the mixed pug by using a pug mill; extruding and molding by using a honeycomb extruder, and cutting according to a pre-designed size to obtain a sample; and directly putting the sample into a microwave oven for drying after extrusion, controlling the moisture below 3 percent, and then sintering in the oven. The zero-drying-period honeycomb zeolite comprises the following components: 40-50% of kaolin, 10-20% of clay, 1-5% of molecular sieve, 1-4% of paper pulp, 1-4% of binder, 2-3% of waterproofing agent, 3-4% of reinforcing agent, 1-4% of glass fiber and 10-40% of deionized water. The invention can effectively shorten the drying period of the honeycomb zeolite molecular sieve and improve the production efficiency of the honeycomb zeolite.
Description
Technical Field
The invention relates to the technical field of honeycomb zeolite, in particular to zero-drying-period honeycomb zeolite and a preparation method thereof.
Background
To fundamentally solve PM2.5, O3And the pollution problem is solved, the quality of the atmospheric environment is really improved, and the country actively promotes the pollution prevention and control work of the key precursor VOCs. However, the basic of prevention and control of VOCs pollution in China is weak, and the problems of unclear discharge base number, unsound regulation standards, lagged control technology application, inadequate environmental supervision and the like exist. Meanwhile, the difficulty in establishing a VOCs pollution control system is high due to the fact that VOCs are complex in emission source, various in emission form and various in material variety. Therefore, how to comprehensively develop the prevention and control of VOCs pollution in accordance with the actual situation of China is a very slow, difficult and complex task.
For waste gas containing low-concentration VOCs, adsorption technology and absorption technology can be adopted to recover the organic solvent and then discharge the recovered organic solvent after reaching the standard when the recovery value is high; when the waste gas is not suitable for recycling, the waste gas can be purified by adopting an adsorption concentration combustion technology, an absorption technology and the like and then discharged after reaching the standard. The honeycomb zeolite has unique advantages in the aspect of adsorbing and treating waste gas, has long service life which can reach more than 5 years, is high-temperature resistant, and can be recycled after desorption treatment. However, the honeycomb zeolite molding cycle is long, and usually a batch of product normally produced takes 7 days from the mixing to the end of roasting, and even longer.
Disclosure of Invention
The embodiment of the invention aims to provide a zero-drying-period honeycomb zeolite and a preparation method thereof, aiming at effectively shortening the drying period of a honeycomb zeolite molecular sieve and improving the production efficiency of the honeycomb zeolite.
In a first aspect, an embodiment of the present invention provides a dried periodic honeycomb zeolite, which includes the following components: 40-50% of kaolin, 10-20% of clay, 1-5% of molecular sieve, 1-4% of paper pulp, 1-4% of binder, 2-3% of waterproofing agent, 3-4% of reinforcing agent, 1-4% of glass fiber and 10-40% of deionized water.
Further, the zero-drying-period honeycomb zeolite comprises the following components: 40% of kaolin, 20% of clay, 5% of molecular sieve, 4% of paper pulp, 4% of binder, 2% of waterproofing agent, 2% of reinforcing agent and 23% of deionized water.
Further, the zero-drying-period honeycomb zeolite comprises the following components: 45% of kaolin, 15% of clay, 4% of molecular sieve, 3% of paper pulp, 2% of binder, 1% of waterproofing agent, 1% of reinforcing agent and 29% of deionized water.
Further, the zero-drying-period honeycomb zeolite comprises the following components: 47% of kaolin, 17% of clay, 3% of molecular sieve, 2% of paper pulp, 1% of binder, 2% of waterproofing agent, 2% of reinforcing agent, 2% of glass fiber and 24% of deionized water.
Further, the zero-drying-period honeycomb zeolite comprises the following components: 50% of kaolin, 10% of clay, 2% of molecular sieve, 1% of paper pulp, 1% of binder, 2% of waterproofing agent, 1% of reinforcing agent, 1% of glass fiber and 32% of deionized water.
In a second aspect, an embodiment of the present invention provides a method for preparing a zero-dry-period honeycomb zeolite, which is used for preparing the zero-dry-period honeycomb zeolite, and the preparation method includes the following steps:
quantitative weighing: weighing all the raw materials according to a pre-designed proportion;
mixing main materials: adding the weighed main materials into a double-helix mixer to mix for 2-3 hours;
pug mulling: uniformly mixing the mixed pug by using a pug mill;
and (3) extrusion molding: extruding and molding by using a honeycomb extruder, and cutting according to a pre-designed size to obtain a sample;
drying and sintering: and directly putting the sample into a microwave oven for drying after extrusion, controlling the moisture below 3 percent, and then sintering in the oven.
The invention has the beneficial effects that: the embodiment of the invention provides a zero-drying-period honeycomb zeolite and a preparation method thereof. The zero-drying-period honeycomb zeolite is prepared by steps of quantitative weighing, pug mixing, extrusion molding, drying, sintering and the like, and comprises the following components: 40% -50% of kaolin, 10% -20% of clay, 1% -5% of molecular sieve, 1% -4% of paper pulp, 1% -4% of binder, 2% -3% of waterproofing agent, 3% -4% of reinforcing agent, 1% -4% of glass fiber and 10% -40% of deionized water, so that the drying period of the honeycomb zeolite molecular sieve can be effectively shortened, and the production efficiency of the honeycomb zeolite can be improved.
In order to make the aforementioned and other objects, features and advantages of the invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention.
Example 1
The embodiment of the invention provides a zero-drying-period honeycomb zeolite, which comprises the following components: 40-50% of kaolin, 10-20% of clay, 1-5% of molecular sieve, 1-4% of paper pulp, 1-4% of binder, 2-3% of waterproofing agent, 3-4% of reinforcing agent, 1-4% of glass fiber and 10-40% of deionized water.
In this embodiment, the zero dry period honeycomb zeolite comprises the following components: 40% of kaolin, 20% of clay, 5% of molecular sieve, 4% of paper pulp, 4% of binder, 2% of waterproofing agent, 2% of reinforcing agent and 23% of deionized water.
In addition, the preparation method of the zero-drying-period honeycomb zeolite provided by the embodiment of the present invention is used for preparing the zero-drying-period honeycomb zeolite, and the preparation method may include the following steps:
quantitative weighing: weighing all the raw materials according to a pre-designed proportion;
mixing main materials: adding the weighed main materials into a double-helix mixer to mix for 2-3 hours;
pug mulling: uniformly mixing the mixed pug by using a pug mill;
and (3) extrusion molding: extruding and molding by using a honeycomb extruder, and cutting according to a pre-designed size to obtain a sample;
drying and sintering: and directly putting the sample into a microwave oven for drying after extrusion, controlling the moisture below 3 percent, and then sintering in the oven.
Example 2
The embodiment of the invention provides a zero-drying-period honeycomb zeolite, which comprises the following components: 40-50% of kaolin, 10-20% of clay, 1-5% of molecular sieve, 1-4% of paper pulp, 1-4% of binder, 2-3% of waterproofing agent, 3-4% of reinforcing agent, 1-4% of glass fiber and 10-40% of deionized water.
In this embodiment, the zero dry period honeycomb zeolite comprises the following components: 45% of kaolin, 15% of clay, 4% of molecular sieve, 3% of paper pulp, 2% of binder, 1% of waterproofing agent, 1% of reinforcing agent and 29% of deionized water.
In addition, the preparation method of the zero-drying-period honeycomb zeolite provided by the embodiment of the present invention is used for preparing the zero-drying-period honeycomb zeolite, and the preparation method may include the following steps:
quantitative weighing: weighing all the raw materials according to a pre-designed proportion;
mixing main materials: adding the weighed main materials into a double-helix mixer to mix for 2-3 hours;
pug mulling: uniformly mixing the mixed pug by using a pug mill;
and (3) extrusion molding: extruding and molding by using a honeycomb extruder, and cutting according to a pre-designed size to obtain a sample;
drying and sintering: and directly putting the sample into a microwave oven for drying after extrusion, controlling the moisture below 3 percent, and then sintering in the oven.
Example 3
The embodiment of the invention provides a zero-drying-period honeycomb zeolite, which comprises the following components: 40-50% of kaolin, 10-20% of clay, 1-5% of molecular sieve, 1-4% of paper pulp, 1-4% of binder, 2-3% of waterproofing agent, 3-4% of reinforcing agent, 1-4% of glass fiber and 10-40% of deionized water.
In this embodiment, the zero dry period honeycomb zeolite comprises the following components: 47% of kaolin, 17% of clay, 3% of molecular sieve, 2% of paper pulp, 1% of binder, 2% of waterproofing agent, 2% of reinforcing agent, 2% of glass fiber and 24% of deionized water.
In addition, the preparation method of the zero-drying-period honeycomb zeolite provided by the embodiment of the present invention is used for preparing the zero-drying-period honeycomb zeolite, and the preparation method may include the following steps:
quantitative weighing: weighing all the raw materials according to a pre-designed proportion;
mixing main materials: adding the weighed main materials into a double-helix mixer to mix for 2-3 hours;
pug mulling: uniformly mixing the mixed pug by using a pug mill;
and (3) extrusion molding: extruding and molding by using a honeycomb extruder, and cutting according to a pre-designed size to obtain a sample;
drying and sintering: and directly putting the sample into a microwave oven for drying after extrusion, controlling the moisture below 3 percent, and then sintering in the oven.
Example 4
The embodiment of the invention provides a zero-drying-period honeycomb zeolite, which comprises the following components: 40-50% of kaolin, 10-20% of clay, 1-5% of molecular sieve, 1-4% of paper pulp, 1-4% of binder, 2-3% of waterproofing agent, 3-4% of reinforcing agent, 1-4% of glass fiber and 10-40% of deionized water.
In this embodiment, the zero dry period honeycomb zeolite comprises the following components: 50% of kaolin, 10% of clay, 2% of molecular sieve, 1% of paper pulp, 1% of binder, 2% of waterproofing agent, 1% of reinforcing agent, 1% of glass fiber and 32% of deionized water.
In addition, the preparation method of the zero-drying-period honeycomb zeolite provided by the embodiment of the present invention is used for preparing the zero-drying-period honeycomb zeolite, and the preparation method may include the following steps:
quantitative weighing: weighing all the raw materials according to a pre-designed proportion;
mixing main materials: adding the weighed main materials into a double-helix mixer to mix for 2-3 hours;
pug mulling: uniformly mixing the mixed pug by using a pug mill;
and (3) extrusion molding: extruding and molding by using a honeycomb extruder, and cutting according to a pre-designed size to obtain a sample;
drying and sintering: and directly putting the sample into a microwave oven for drying after extrusion, controlling the moisture below 3 percent, and then sintering in the oven.
In summary, according to the zero-drying-period honeycomb zeolite and the preparation method thereof provided by the embodiments of the present invention, the zero-drying-period honeycomb zeolite is prepared by steps of quantitative weighing, pug mulling, extrusion molding, drying, sintering, and the like, and the zero-drying-period honeycomb zeolite contains the following components: 40% -50% of kaolin, 10% -20% of clay, 1% -5% of molecular sieve, 1% -4% of paper pulp, 1% -4% of binder, 2% -3% of waterproofing agent, 3% -4% of reinforcing agent, 1% -4% of glass fiber and 10% -40% of deionized water, so that the drying period of the honeycomb zeolite molecular sieve can be effectively shortened, and the production efficiency of the honeycomb zeolite can be improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A zero-dry-period honeycomb zeolite is characterized by comprising the following components: 40-50% of kaolin, 10-20% of clay, 1-5% of molecular sieve, 1-4% of paper pulp, 1-4% of binder, 2-3% of waterproofing agent, 3-4% of reinforcing agent, 1-4% of glass fiber and 10-40% of deionized water.
2. The zero dry period honeycomb zeolite of claim 1, comprising the following components: 40% of kaolin, 20% of clay, 5% of molecular sieve, 4% of paper pulp, 4% of binder, 2% of waterproofing agent, 2% of reinforcing agent and 23% of deionized water.
3. The zero dry period honeycomb zeolite of claim 1, comprising the following components: 45% of kaolin, 15% of clay, 4% of molecular sieve, 3% of paper pulp, 2% of binder, 1% of waterproofing agent, 1% of reinforcing agent and 29% of deionized water.
4. The zero dry period honeycomb zeolite of claim 1, comprising the following components: 47% of kaolin, 17% of clay, 3% of molecular sieve, 2% of paper pulp, 1% of binder, 2% of waterproofing agent, 2% of reinforcing agent, 2% of glass fiber and 24% of deionized water.
5. The zero dry period honeycomb zeolite of claim 1, comprising the following components: 50% of kaolin, 10% of clay, 2% of molecular sieve, 1% of paper pulp, 1% of binder, 2% of waterproofing agent, 1% of reinforcing agent, 1% of glass fiber and 32% of deionized water.
6. A method for preparing a zero dry period honeycomb zeolite as claimed in any one of claims 1 to 5, comprising the steps of:
quantitative weighing: weighing all the raw materials according to a pre-designed proportion;
mixing main materials: adding the weighed main materials into a double-helix mixer to mix for 2-3 hours;
pug mulling: uniformly mixing the mixed pug by using a pug mill;
and (3) extrusion molding: extruding and molding by using a honeycomb extruder, and cutting according to a pre-designed size to obtain a sample;
drying and sintering: and directly putting the sample into a microwave oven for drying after extrusion, controlling the moisture below 3 percent, and then sintering in the oven.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115646472A (en) * | 2022-10-27 | 2023-01-31 | 山东亮剑环保新材料有限公司 | High-efficiency carbon dioxide adsorbent and production method thereof |
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| CN111036187A (en) * | 2019-12-23 | 2020-04-21 | 中国科学院过程工程研究所 | Honeycomb carrier and preparation method and application thereof |
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| CN112246217A (en) * | 2020-10-30 | 2021-01-22 | 上海绿强新材料有限公司 | Integral honeycomb molecular sieve for purifying VOCs (volatile organic compounds) in zeolite adsorption rotating wheel and preparation method thereof |
| CN112642394A (en) * | 2019-10-10 | 2021-04-13 | 萍乡市捷龙环保科技有限公司 | Preparation method of honeycomb zeolite molecular sieve adsorbent |
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2021
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Patent Citations (6)
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| DE102014205783A1 (en) * | 2014-03-27 | 2015-10-01 | Johnson Matthey Public Limited Company | Catalyst and method for producing a catalyst |
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Application publication date: 20210924 |