CN101391109B - Preparation method of compound air purification agent - Google Patents
Preparation method of compound air purification agent Download PDFInfo
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- CN101391109B CN101391109B CN200810122214.0A CN200810122214A CN101391109B CN 101391109 B CN101391109 B CN 101391109B CN 200810122214 A CN200810122214 A CN 200810122214A CN 101391109 B CN101391109 B CN 101391109B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 150000001875 compounds Chemical class 0.000 title description 6
- 238000004887 air purification Methods 0.000 title 1
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 41
- 239000011707 mineral Substances 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 38
- 238000012986 modification Methods 0.000 claims abstract description 21
- 230000004048 modification Effects 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 230000004913 activation Effects 0.000 claims abstract description 12
- 238000001994 activation Methods 0.000 claims abstract description 12
- 238000001179 sorption measurement Methods 0.000 claims abstract description 11
- 239000000741 silica gel Substances 0.000 claims abstract description 10
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 7
- 239000012141 concentrate Substances 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000005469 granulation Methods 0.000 claims abstract description 6
- 230000003179 granulation Effects 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 238000000746 purification Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 22
- 239000012629 purifying agent Substances 0.000 claims description 16
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- 229910021536 Zeolite Inorganic materials 0.000 claims description 11
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 11
- 239000010457 zeolite Substances 0.000 claims description 11
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 claims description 9
- 229910052624 sepiolite Inorganic materials 0.000 claims description 9
- 235000019355 sepiolite Nutrition 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- 238000001354 calcination Methods 0.000 claims description 8
- 239000004088 foaming agent Substances 0.000 claims description 7
- 239000003607 modifier Substances 0.000 claims description 6
- 239000007793 ph indicator Substances 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 5
- 235000010265 sodium sulphite Nutrition 0.000 claims description 5
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical group [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 4
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 4
- 239000001099 ammonium carbonate Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004090 dissolution Methods 0.000 claims description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 2
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000008929 regeneration Effects 0.000 abstract description 3
- 238000011069 regeneration method Methods 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 238000012856 packing Methods 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 1
- 229960001866 silicon dioxide Drugs 0.000 abstract 1
- 235000010755 mineral Nutrition 0.000 description 31
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 6
- 235000002639 sodium chloride Nutrition 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229960000892 attapulgite Drugs 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 229910052625 palygorskite Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- 235000017550 sodium carbonate Nutrition 0.000 description 4
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 3
- 230000000274 adsorptive effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000011775 sodium fluoride Substances 0.000 description 3
- 235000013024 sodium fluoride Nutrition 0.000 description 3
- JJEJDZONIFQNHG-UHFFFAOYSA-N [C+4].N Chemical compound [C+4].N JJEJDZONIFQNHG-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 239000004113 Sepiolite Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003905 indoor air pollution Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- -1 rectorite Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a preparation method of composite air purificant, comprising of an ore dressing step, a purifying step, a mixing step, a modification step, a granulation step, a roasting step and a finished product detecting and packing step, wherein in the ore dressing step, at least four purely natural mineral material ore concentrates with adsorbing ability are selected; in the purifying step, the selected mineral materials are purified; in the mixing step, the purified mineral material and proper caking agent are mixed properly according to weight ratio; in the modification step, modifying agent and vesicant are added, semi-drying modification is performed by adopting a kneader and drying is carried out in normal temperature; in the granulation step, a granulating machine is adopted for granulating, and active hole slash is carried out by controlling the temperature to 50 DEG C to 80 DEG C; in the roasting step, roasting activation is carried out by controlling the temperature to 200 DEG C to 300 DEG C; and in the finished product detecting and packing step, through screen separation, proper adsorption indicator allochroic silicagel particles are added, and the finished product is detected and packed to obtain composite purificant. The invention has the advantage that the performance of the product is excellent, the technology is energy-saving and environmental-friendly and can be repeatedly used; a user can intuitively judge that when regeneration is needed, the manufacture cost is low, and the like.
Description
Technical field
The present invention relates to a kind of preparation of composite air purifying agent, be particularly applicable to the preparation method of a kind of composite air purifying agent of semidry method modified active production.
Background technology
Adsorption cleaning method is at present for one of most widely used method in method for treating indoor air pollution.Wherein: activated carbon of sorbent has good adsorption cleaning ability, but price is relatively expensive.In recent years, some natural minerals, as novel adsorbing material, have the features such as aboundresources, cheap, adsorptivity is strong, and product is environmentally friendly, have been subject to paying close attention to widely, as zeolite, kieselguhr, Montmorillonitum, rectorite etc.For obtaining higher adsorption cleaning disposal ability, need purify to natural minerals, the deep processing transformation such as modification, or carry out the compound of multiple natural minerals, this has become the emphasis of environment mineral material research.As document [Zhai Bin, the application of environment mineral material in pollution control, northern environment, 2005,30 (2): 69-72] is pointed out: zeolite is after NaCl modification, better to the adsorption effect of ammonia nitrogen; Document [Cheng Lun, the experimentation of Purifying Indoor Air with Diatomite Composite Material, environmental protection science, 2007,33 (3): 16-19] is pointed out: after diatomite modified is compound, the removal ability of PARA FORMALDEHYDE PRILLS(91,95), benzene, ammonia is significantly higher than common kieselguhr.
China Patent No. 200310112788.7 " super fine active compound adsorptive indoor air purifying agent " discloses a kind of super fine active compound adsorptive indoor air purifying agent, attapulgite clay after activation processing and super-fine processing or sepiolite clay and zeolite are mixed by suitable proportioning, combine pelletize and dry, mix according to a certain percentage with granular active carbon again, obtain " super fine active compound adsorptive indoor air purifying agent ".But it has the following disadvantages: (1) need soak activation with acid or alkali to mineral material, uses afterwards clear water rinsing, and in preparation process, producing a large amount of waste water needs to process, and environmental protection pressure is large; (2) need the dried mineral material superfine grinding of activation to 800-2000 order, consume energy higher, volume of production is limited; (3) need the active carbon with 5 to 60%, increase cost; (4) mineral material is not purified and modification, be unfavorable for the larger raising of its absorbability; (5) when user cannot in use lose efficacy by this cleanser of intuitive judgment.
Summary of the invention
Technical problem to be solved by this invention is the present situation for prior art, provides a kind of with low cost, and technique is simple, at any time the preparation method of the composite air purifying agent of the absorption value of this cleanser of intuitive judgment.By selecting several to there is the pure natural mineral material of absorbability, after purification, proportioning, modification, pelletize, roasting, prepare composite purifying agent.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of preparation method of composite air purifying agent, comprise beneficiation steps: select at least four kinds of pure natural mineral material concentrate with absorbability, wherein: also sequentially through following steps: after purification step, proportioning step, modification procedure, granulation step, calcination steps preparation; Finished product detection packaging step obtains composite purifying agent;
Purification step: the mineral material of selecting is carried out respectively to purification processes;
Proportioning step: mineral material and suitable binder after several are purified, carry out by weight suitable proportioning and mix;
Modification procedure: add modifier, foaming agent, adopt kneader to carry out semidry method modification, normal temperature drying;
Granulation step: adopt granulator to carry out pelletize, be controlled at 50 DEG C to 80 DEG C and activate reaming;
Calcination steps: be controlled at 200 DEG C to 300 DEG C and carry out calcination activation;
Finished product detection packaging step: through screening, add appropriate adsorbance pH indicator discolour silica gel particle, by described finished product detection packaging.
Further technical measures, at least four kinds have the natural minerals of absorbability, are optionally wherein four kinds or optional more than four kinds in meerschaum, zeolite, kieselguhr, attapulgite, Montmorillonitum, rectorite and discolour silica gel.
Above-mentioned modifier is sodium carbonate or sodium chloride or sodium fluoride or sodium sulfite, its consumption be after purification proportioning mineral material gross weight 1% to 10%.
Above-mentioned foaming agent is ammonium bicarbonate or sodium bicarbonate, its consumption be after purification proportioning mineral material gross weight 1% to 10%.
The addition of above-mentioned adsorbance pH indicator discolour silica gel particle is gross weight 0.5% to 5%.
Compared with prior art, the present invention, by selecting several to have the pure natural mineral material of absorbability, prepares composite purifying agent after purification, proportioning, modification, pelletize, roasting.Feature of the present invention is: (1) selects the pure natural mineral material with absorbability, reduces the cost of raw material; (2) through purification, modification, activation, improve its absorbability, make the superior performance of cleanser; (3) adopt semidry method modification, technique environmental protection; (4) adopt the method for foaming agent to increase specific surface area, replace ultrafine grinding process, reduce energy consumption; (5) adopting suitable binder, to reach product be high-intensity spherical structure, guarantees pollution-free, nontoxic, harmlessly in process of production, and product is very degraded; In transport, storage, use procedure without dust; (6) product obtaining after roasting is have enough mechanical strengths spherical, only need be just renewable through daylight or the dehumidifying of other thermal source after losing efficacy, so almost can be unlimited reuse economizes on resources; (7) this cleanser with discolour silica gel the indicator as absorption value, when discolour silica gel becomes when pink or dark red, representing needs dried with regeneration to cleanser; (8) technique advantages of simple, cheap for manufacturing cost, is applicable to batch production.Therefore the present invention has excellent product performance, energy saving technology environmental protection, when reusable and user can need the advantages such as regeneration, applicable suitability for industrialized production cheap for manufacturing cost by intuitive judgment.
Brief description of the drawings
Fig. 1 is embodiment of the present invention process flow diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in Figure 1: specifically comprise ore dressing, purification, proportioning, modification, dry, pelletize, activation, roasting, screening, interpolation indicator, finished product detection packaging.
Embodiment 1:
(1) ore dressing: select zeolite, kieselguhr, Montmorillonitum, meerschaum totally four kinds of pure natural mineral material concentrate with absorbability, content is all more than 60%;
(2) purify: select four kinds of mineral materials are carried out respectively to purification processes;
(3) proportioning: to the mineral material after four kinds of purifications, carry out proportioning mixing, weight ratio is zeolite 10% to 40%, kieselguhr 5% to 20%, montmorillonite 2 0% to 60%, meerschaum 10% to 40%;
Modification: modifier is sodium carbonate or sodium chloride or sodium fluoride or sodium sulfite, its consumption be after purification proportioning mineral material gross weight 1% to 10%.Foaming agent is ammonium bicarbonate or sodium bicarbonate, its consumption be after purification proportioning mineral material gross weight 1% to 10%.By the suitable proportioning of weight of mineral material after purification proportioning, take respectively sodium chloride, sodium sulfite and carbon ammonium, in appropriate water, after mixed dissolution, add mineral material together in kneader, by repeatedly mediating and reach semidry method modification object both;
(4) dry: normal temperature drying;
(5) pelletize: adopt granulator to carry out pelletize, granularity is 0.5mm to 5mm scope;
(6) activation: 50 DEG C to 80 DEG C activate reaming;
(7) roasting: 200 DEG C to 300 DEG C are carried out calcination activation;
(8) screening;
(9) add adsorbance pH indicator discolour silica gel particle, addition is gross weight 0.5%;
(10) finished product detection packaging.
Prepared composite air purifying agent can be removed the harmful gass such as formaldehyde, benzene, ammonia by quick adsorption, and within 2 hours, dynamic adsorption clearance is respectively 90%, 85% and 99%.
Embodiment 2:
(1) ore dressing: select zeolite, rectorite, meerschaum, attapulgite totally four kinds of pure natural mineral material concentrate with absorbability, content is all more than 60%;
(2) purify: select four kinds of mineral materials are carried out respectively to purification processes;
(3) proportioning: to the mineral material after four kinds of purifications, carry out proportioning mixing, weight ratio is zeolite 10% to 40%, rectorite 5% to 15%, meerschaum 20% to 40%, attapulgite 20% to 40%;
(4) modification: modifier is sodium carbonate or sodium chloride or sodium fluoride or sodium sulfite, its consumption be after purification proportioning mineral material gross weight 1% to 10%.Foaming agent is ammonium bicarbonate or sodium bicarbonate, its consumption be after purification proportioning mineral material gross weight 1% to 10%.By the suitable proportioning of weight of mineral material after purification proportioning, weighing sodium carbonate and carbon ammonium respectively after mixed dissolution, adds mineral material together in kneader, by repeatedly mediating and reach semidry method modification object by both in appropriate water.
(5) dry: normal temperature drying;
(6) pelletize: adopt granulator to carry out pelletize, granularity is 0.5mm to 5mm scope;
(7) activation: 50 DEG C to 80 DEG C activate reaming;
(8) roasting: 200 DEG C to 300 DEG C are carried out calcination activation;
(9) screening;
(10) add adsorbance pH indicator discolour silica gel particle, addition is gross weight 1%;
(11) finished product detection packaging.
Prepared composite air purifying agent can be removed the harmful gass such as formaldehyde, benzene, ammonia by quick adsorption, and within 2 hours, dynamic adsorption clearance is respectively 95%, 90% and 95%.
Although the present invention is described by reference to preferred embodiment,, those skilled in the art should understand, and within the scope of the invention, can do the various variation in form and details.
Claims (1)
1. the preparation method of a composite air purifying agent, comprise beneficiation steps: select four kinds, zeolite, kieselguhr, Montmorillonitum, meerschaum to there is the pure natural mineral material concentrate of absorbability, it is characterized in that: also sequentially through following steps: after purification step, proportioning step, modification procedure, granulation step, calcination steps and the preparation of finished product detection packaging step, obtain composite air purifying agent; Described
Beneficiation steps: select zeolite, kieselguhr, Montmorillonitum, meerschaum totally four kinds of pure natural mineral material concentrate with absorbability, content is all more than 60%;
Purification step: select four kinds of mineral materials are carried out respectively to purification processes;
Proportioning step: to the mineral material after four kinds of purifications, carry out proportioning mixing, weight ratio is zeolite 10% to 40%, kieselguhr 5% to 20%, montmorillonite 2 0% to 60%, meerschaum 10% to 40%;
Modification procedure: add modifier, foaming agent, described modifier is sodium chloride or sodium sulfite, its consumption be after purification proportioning mineral material gross weight 1% to 10%; Described foaming agent is ammonium bicarbonate, its consumption be after purification proportioning mineral material gross weight 1% to 10%; In appropriate water, after mixed dissolution, add mineral material together in kneader, by repeatedly mediating and reach semidry method modification object both; Normal temperature drying;
Granulation step: adopt granulator to carry out pelletize, granularity is 0.5mm to 5mm scope; Be controlled at 50 DEG C to 80 DEG C and activate reaming;
Calcination steps: be controlled at 200 DEG C to 300 DEG C and carry out calcination activation;
Finished product detection packaging step: through screening, add appropriate adsorbance pH indicator discolour silica gel particle, the addition of described adsorbance pH indicator discolour silica gel particle is gross weight 0.5%; By finished product detection packaging,
Prepared composite air purifying agent can be removed formaldehyde, benzene, ammonia by quick adsorption, and within 2 hours, dynamic adsorption clearance is respectively 90%, 85% and 99%.
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| CN1607008A (en) * | 2003-10-13 | 2005-04-20 | 吴才来 | Ore deodorizer |
| CN1554447A (en) * | 2003-12-26 | 2004-12-15 | 杜建中 | Super fine active compound adsorptive indoor air purifying agent |
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