CN1329114C - Formulation of dry filter core for refrigerating system - Google Patents
Formulation of dry filter core for refrigerating system Download PDFInfo
- Publication number
- CN1329114C CN1329114C CNB2004100935091A CN200410093509A CN1329114C CN 1329114 C CN1329114 C CN 1329114C CN B2004100935091 A CNB2004100935091 A CN B2004100935091A CN 200410093509 A CN200410093509 A CN 200410093509A CN 1329114 C CN1329114 C CN 1329114C
- Authority
- CN
- China
- Prior art keywords
- powder
- raw material
- filter core
- dry filter
- molecular screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Filtering Materials (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The present invention relates to a new formulation of dry filter cores for refrigerating systems, which is composed of powdery raw material and an adhesive, wherein the powdery raw material is formed by mixing a plurality of optional kinds of original powder of a molecular sieve, alumina powder and clay or active carbon powder; the adhesive comprises one kind or a plurality of kinds of sodium silicate water solution or potassium silicate water solution or silica sol water solution; the powdery raw material and the adhesive are directly mixed for preparing particles; the proportion by weight of the powdery raw material and the adhesive is 60 to 85 wt%: 15 to 40 wt%. The present invention has the characteristics of low production cost, simple production technology, little environmental pollution, etc.
Description
Technical field
The present invention relates to a kind of new prescription of dry filter core for refrigerating system.
Background technology
Along with the continual renovation of cold-producing medium is regenerated, refrigeration system is also more and more higher to the requirement of drier, efficient, the energy-conservation target that becomes many researcher's pursuits.The drier that uses the earliest is silica gel, aluminium oxide etc., but because the superior deep dehydration function of molecular sieve becomes main drier kind very soon.At present, the method for preparing the molecular sieve drying particle is after molecular screen primary powder, aluminium oxide (aluminium hydroxide) powder, clay are mixed, add the water making beating, granulation, drying, roasting, with alkaline solution bead is soaked several hrs then, the hot-air drying 600 ℃ of following roastings 30 minutes, promptly gets the molecular sieve bead again.
U.S. Pat 6559096 has proposed a kind of refrigeration system drier to be formed and preparation method thereof, and drier comprises following adsorbent, as calcium chloride, lithium chloride, can also sneak into the porosity that can easily control pore size simultaneously, as active carbon.But the water absorbing capacity that this patent drier is formed is far smaller than molecular sieve etc.
U.S. Pat 5518977 disclosed drier are mixed by crystallization of molecular sieves and activated alumina, with kaolin, tripoli is adhesive, but the described technology of this invention is how to make drier attached to pipe surface, and is irrelevant with the granular recipe of dry filter core.
The drier that world patent WO9912641A1 proposes is formed and is comprised: solid, porous infiltration carrier, but as tripoli, aluminium oxide, active carbon, paper or class stationery hygroscopic material, particularly muriatic salt.These materials with moisture pick-up properties are evenly distributed in the porous infiltration carrier.The drier that this patent proposes is formed and is not contained molecular sieve, and water absorbing capacity is formed much smaller than the prescription that the present invention proposes.
Chinese patent CN02112464 discloses a kind of preparation method who is used for the massive dryer of refrigeration system.This method is mixed and made into bead with molecular screen primary powder and clay, oven dry back roasting, baked bead is handled with the alkali metal oxide aqueous solution, again 300～700 ℃ of following roastings, adding binding agent and bead mixes, extrusion forming, the drier of moulding place 200～700 ℃ of following activation promptly to obtain the massive dryer product.
Chinese patent CN98113364 discloses a kind of molecular sieve molded method, is that liquid-containing binder is that particle after waterglass liquid and the moulding is through a process of soaking with liquid-containing binder.The employing clay is a solid binder, and waterglass liquid is liquid-containing binder, uses the sugar coating machine roller forming.In dry run, bead water glass metal soaked 20～30 seconds, through airing, and drying, roasting.
Although the above-mentioned background technology has plurality of advantages, still there is following defective.After granulation, need to soak with alkaline solution again, cause the waste on the production technology; Immersion process can cause scattering and disappearing of aqueous slkali, thereby causes air pollution; The sintering temperature height, power consumption is big, serious waste of resources; Granule strength and the water absorbing capacity made are less.
Summary of the invention
The objective of the invention is to overcome the defective of above-mentioned prior art, provide that a kind of production cost is lower, work simplification, only need after the drying the new prescription of a kind of dry filter core for refrigerating system that can compression molding.
The present invention is a kind of new prescription that is used for the preparation of refrigeration system dry filter core.This prescription is made up of powder raw material and binding agent, powder raw material comprises optional several mixing in molecular screen primary powder and alumina powder, clay or the active carbon powder, binding agent comprises one or more in sodium metasilicate, potassium silicate or the silica aqueous solution, and powder raw material and binding agent directly are mixed and made into particle.
The composition of powder raw material comprises molecular screen primary powder 30～90 weight portions among the present invention, is preferably 60～90 weight portions, alumina powder 5～60 weight portions, be preferably 30～60 weight portions, clay 0～20 weight portion, active carbon 0～10 weight portion, more than used material all calculates with butt in the prescription.
The weight ratio of powder raw material and binding agent is 60～85wt%: 15～40wt% among the present invention.
Molecular screen primary powder among the present invention is a 3A type molecular screen primary powder, chooses any one kind of them in 4A type molecular screen primary powder or the X type molecular screen primary powder.
Clay among the present invention is that one or more the mixture in soil, the sepiolite takes off in kaolin, attapulgite, class.
Compared with prior art, the present invention has following advantage: directly molecular screen primary powder, alumina powder, clay, active carbon are mixed with the adhesive aqueous solution by proportioning and make bead, can reduce production costs significantly.The particulate material moulding of mixed process is made bonding agent with liquid silicate, only needs can directly carry out compression molding after the dry run, has simplified production technology.Technology of the present invention is the wet method operation, thereby reduces the production process dust pollution significantly.
The specific embodiment
Further set forth the present invention below by detailed description, but embodiment not a limitation of the present invention to specific embodiments of the invention.
Embodiment 1
90kg3A molecular screen primary powder, 5kg aluminium oxide, 5kg kaolin are evenly mixed with mixer, add 30kg liquid silicate binding agent bonding and make granule, it is dry under 150 ℃ to put into Muffle furnace, after the drying granule is cooled off.Granular product has following character: Static Water absorption: 19.10wt%, compression strength: 30.9N, abrasion: 0.05wt%.
Get the part granule, with phosphate binders bonding, extrusion forming, after activation, the cooling, vacuum packaging obtains block dry filter core product.
Embodiment 2
Except that adding 85kg3A molecular screen primary powder, 10kg kaolin, 5kg active carbon, 35kg sodium metasilicate, all the other operating procedures are all identical with embodiment 1.Granular product has following character: Static Water absorption: 19.50wt%, compression strength: 30N, abrasion: 0.05wt%.
Embodiment 3
Except that adding 80kg3A molecular screen primary powder, 10kg kaolin, 10kg active carbon, 30kg potassium silicate, other operating procedure is all identical with embodiment 1.Granular product has following character: Static Water absorption: 19.00wt%, compression strength: 30.05N, abrasion: 0.05wt%.
Embodiment 4
Except that adding 60kg3A molecular screen primary powder, 30kg aluminium oxide, 10kg kaolin, 25kg sodium metasilicate, other operating procedure is all identical with embodiment 1.Granular product has following character: Static Water absorption: 19.00wt%, compression strength: 29.85N, abrasion: 0.10wt%.
Embodiment 5
Except that adding 90kg 4A molecular screen primary powder, 10kg kaolin, 40kg sodium metasilicate, other operating procedure is all identical with embodiment 1.Granular product has following character: Static Water absorption: 19.50, and compression strength: 30N, abrasion: 0.05wt%.
Embodiment 6
Take off soil, the 20kg sodium metasilicate except that adding 30kg 3A molecular screen primary powder, 50kg aluminium oxide, 20kg class, other operating procedure is all identical with embodiment 1.Granular product has following character: Static Water absorption: 19.50wt%, compression strength: 32N, abrasion: 0.05wt%.
Embodiment 7
Except that adding 85kgX type molecular screen primary powder, 5kg aluminium oxide, 10kg kaolin, 40kg Ludox, other operating procedure is all identical with embodiment 1.Granular product has following character: Static Water absorption: 20.8wt%, compression strength: 31N, abrasion: 0.05wt%.
Embodiment 8
Except that adding 80kg X type molecular screen primary powder, 25kg aluminium oxide, 15kg attapulgite, 80kg Ludox, other operating procedure is all identical with embodiment 1.Granular product has following character: Static Water absorption: 20.0wt%, compression strength: 35N, abrasion: 0.05wt%.
Embodiment 9
Except that adding 90kg4A type molecular screen primary powder, 10kg sepiolite, 35kg potassium silicate, other operating procedure is all identical with embodiment 1.Granular product has following character: Static Water absorption: 19.5wt%, compression strength: 29.9N, abrasion: 0.03wt%.
Embodiment 10
Except that adding 30kg 4A type molecular screen primary powder, 60kg aluminium oxide, 16kg sodium metasilicate, other operating procedure is all identical with embodiment 1.Granular product has following character: Static Water absorption: 18wt%, compression strength: 30N, abrasion: 0.010wt%.
Claims (5)
1, a kind of dry filter core for refrigerating system, it is characterized in that this dry filter core is made up of powder raw material and binding agent, described powder raw material comprises molecular screen primary powder 30～90 weight portions, alumina powder 5～60 weight portions, clay 0～20 weight portion, active carbon powder 0～10 weight portion, more than used material all calculates with butt in the prescription; Described binding agent comprises one or more in sodium metasilicate, potassium silicate or the silica aqueous solution, and powder raw material and binding agent directly are mixed and made into particle.
2, dry filter core according to claim 1 is characterized in that described molecular screen primary powder is 60～90 weight portions, and alumina powder is 30～60 weight portions.
3, dry filter core according to claim 1, the weight ratio that it is characterized in that powder raw material and binding agent is 60～85wt%: 15～40wt%.
4, dry filter core according to claim 1 and 2 is characterized in that described molecular screen primary powder is to choose any one kind of them in 3A type molecular screen primary powder, 4A type molecular screen primary powder or the X type molecular screen primary powder.
5, dry filter core according to claim 1 is characterized in that described clay is that one or more the mixture in soil, the sepiolite takes off in kaolin, attapulgite, class.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100935091A CN1329114C (en) | 2004-12-24 | 2004-12-24 | Formulation of dry filter core for refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100935091A CN1329114C (en) | 2004-12-24 | 2004-12-24 | Formulation of dry filter core for refrigerating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1663675A CN1663675A (en) | 2005-09-07 |
| CN1329114C true CN1329114C (en) | 2007-08-01 |
Family
ID=35035095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100935091A Active CN1329114C (en) | 2004-12-24 | 2004-12-24 | Formulation of dry filter core for refrigerating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1329114C (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100444927C (en) * | 2005-12-12 | 2008-12-24 | 上海化工研究院 | Production of drying filter core for refrigerating system |
| CN100464817C (en) * | 2006-12-27 | 2009-03-04 | 北京佳康尔水处理技术有限公司 | Filter core for removing lead and mercury from drinking water and preparation method thereof |
| CN100464818C (en) * | 2006-12-27 | 2009-03-04 | 北京佳康尔水处理技术有限公司 | Filter core with molecular sieve structure and method for preparing same |
| CH700397B1 (en) * | 2009-02-09 | 2013-02-15 | Empa | Feuchtespeicherndes mixture and its production process, use of the material mixture in moisture storage disks, and manufacturing method for moisture storage plates. |
| CN101531364B (en) * | 2009-04-27 | 2011-06-22 | 东南大学 | Spherical formed active carbon and method for preparing same |
| CN102424537B (en) * | 2011-09-06 | 2012-12-05 | 浙江大学 | Method for preparing aluminum phosphate compounded binding agent by using clay mineral as raw material |
| CN103381355A (en) * | 2013-06-25 | 2013-11-06 | 蚌埠凤凰滤清器有限责任公司 | Filter core for adsorbing microparticles and preparation method thereof |
| CN103381323B (en) * | 2013-06-25 | 2015-01-14 | 安徽凤凰滤清器股份有限公司 | Porous inorganic microfiltration filter core and preparation method thereof |
| CN103381317B (en) * | 2013-06-25 | 2015-01-14 | 安徽凤凰滤清器股份有限公司 | Bamboo charcoal powder filter core and preparation method thereof |
| CN107029663A (en) * | 2017-05-16 | 2017-08-11 | 苏州苏米欧贸易有限公司 | A kind of drier powder |
| CN108033460A (en) * | 2017-12-26 | 2018-05-15 | 大连海鑫化工有限公司 | A kind of new 3A molecular sieves and preparation method thereof |
| CN114933313A (en) * | 2022-06-01 | 2022-08-23 | 中铝山东有限公司 | A-type molecular sieve and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1248488A (en) * | 1998-09-24 | 2000-03-29 | 广州经济技术开发区商业服务总公司 | Formation method capable of improving molecular sieve adsorbent strength |
| CN1530167A (en) * | 2003-03-11 | 2004-09-22 | 中美合资上海锦中分子筛有限公司 | High-performance variable-pressure adsorption 5A molecular sieve and preparing method thereof |
-
2004
- 2004-12-24 CN CNB2004100935091A patent/CN1329114C/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1248488A (en) * | 1998-09-24 | 2000-03-29 | 广州经济技术开发区商业服务总公司 | Formation method capable of improving molecular sieve adsorbent strength |
| CN1530167A (en) * | 2003-03-11 | 2004-09-22 | 中美合资上海锦中分子筛有限公司 | High-performance variable-pressure adsorption 5A molecular sieve and preparing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1663675A (en) | 2005-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1329114C (en) | Formulation of dry filter core for refrigerating system | |
| KR101546240B1 (en) | Antimicrobial porous ceramic tile and method of manufacturing the same | |
| CN101417888B (en) | Porous light heat insulating refractory materials and preparation method thereof | |
| CN104941579A (en) | Method and device for preparing surface-vitrified carbon adsorption material | |
| CN108484115B (en) | Porous material prepared by utilizing solid waste | |
| US20150018196A1 (en) | 5A Molecular Sieve Adsorbent and Method for Preparation of the Same | |
| CN103159226B (en) | Low potassium type 3A zeolite molecular sieve and preparation method thereof | |
| CN107739193B (en) | Process method for producing foamed ceramic by adopting three-layer cloth of three-granularity raw materials | |
| RU2395451C1 (en) | Method of producing type a zeolite as adsorbent | |
| CN104003755A (en) | Process for preparing ventilating brick by using polishing waste residue | |
| CN106587962A (en) | Diatomite-based ceramsite and preparation method thereof | |
| JPWO2006054718A1 (en) | Zeolite-containing composition, and porous fired body and building material using the same | |
| RU2074139C1 (en) | Method for manufacture of porous clay granulated product | |
| JPH11347341A (en) | Granular moisture absorbing and releasing material and manufacture thereof | |
| JPH08310881A (en) | Porous sintered body and its production | |
| KR20110090891A (en) | High-strength zeolite bead molding and method for producing the same | |
| JP2001226167A (en) | Zeolite formed bead, production process of the same and adsorption/removal process using the same | |
| JPS63116727A (en) | Dry dehumidifying material | |
| CN100444949C (en) | Method for preparing dry filter core for refrigerating system | |
| CN100444927C (en) | Production of drying filter core for refrigerating system | |
| CN107857565A (en) | A kind of technique of raw material semidry method grain production foamed ceramic | |
| CN1467021A (en) | Method for preparing massive dryer for refrigeration system | |
| KR20120025859A (en) | Pro-environmental energy saving type composite insulating material | |
| CN101961593A (en) | Dissolved type gas drying material and preparation method thereof | |
| FI69408B (en) | FARING REFRIGERATION FOR FUNCTIONAL RESISTANCE POROESASILIKAGRANULER MED MEKANISK HAOLLFASTHET |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090612 Address after: Yunling road Shanghai City No. 345 zip code: 200062 Co-patentee after: Shanghai Luqiang New Materials Co., Ltd. Patentee after: Shanghai Chemical Research Institute Address before: Yunling road Shanghai City No. 345 zip code: 200062 Patentee before: Shanghai Research Institute of Chemical Industry |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200062 Shanghai Yunling Road No. 345 Co-patentee after: Shanghai Luqiang New Materials Co., Ltd. Patentee after: Shanghai Chemical Research Institute Co., Ltd. Address before: 200062 Shanghai Yunling Road No. 345 Co-patentee before: Shanghai Luqiang New Materials Co., Ltd. Patentee before: Shanghai Research Institute of Chemical Industry |