CN108855025A - Nano titanium dioxide photocatalysis improves tunnel air quality catalyst and preparation method - Google Patents
Nano titanium dioxide photocatalysis improves tunnel air quality catalyst and preparation method Download PDFInfo
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- CN108855025A CN108855025A CN201810736813.5A CN201810736813A CN108855025A CN 108855025 A CN108855025 A CN 108855025A CN 201810736813 A CN201810736813 A CN 201810736813A CN 108855025 A CN108855025 A CN 108855025A
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- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title claims abstract description 47
- 239000003054 catalyst Substances 0.000 title claims abstract description 39
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 24
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000003647 oxidation Effects 0.000 claims abstract description 15
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 15
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 14
- 238000000703 high-speed centrifugation Methods 0.000 claims abstract description 12
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000002002 slurry Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 23
- 239000008367 deionised water Substances 0.000 claims description 16
- 229910021641 deionized water Inorganic materials 0.000 claims description 16
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 14
- 230000000536 complexating effect Effects 0.000 claims description 11
- 230000007062 hydrolysis Effects 0.000 claims description 11
- 238000006460 hydrolysis reaction Methods 0.000 claims description 11
- 239000011941 photocatalyst Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 230000006872 improvement Effects 0.000 claims description 7
- 150000002500 ions Chemical class 0.000 claims description 7
- 238000002604 ultrasonography Methods 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 238000013178 mathematical model Methods 0.000 claims description 6
- 238000005457 optimization Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 3
- 239000000908 ammonium hydroxide Substances 0.000 claims description 3
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- 238000004537 pulping Methods 0.000 claims description 3
- WBHHMMIMDMUBKC-QJWNTBNXSA-M ricinoleate Chemical compound CCCCCC[C@@H](O)C\C=C/CCCCCCCC([O-])=O WBHHMMIMDMUBKC-QJWNTBNXSA-M 0.000 claims description 3
- 229940066675 ricinoleate Drugs 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 229920000388 Polyphosphate Polymers 0.000 claims 1
- 239000001205 polyphosphate Substances 0.000 claims 1
- 235000011176 polyphosphates Nutrition 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000005416 organic matter Substances 0.000 abstract description 4
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract description 3
- 239000002105 nanoparticle Substances 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 241000209094 Oryza Species 0.000 description 6
- 235000007164 Oryza sativa Nutrition 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 235000009566 rice Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 235000019832 sodium triphosphate Nutrition 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- ORTYMGHCFWKXHO-UHFFFAOYSA-N diethadione Chemical compound CCC1(CC)COC(=O)NC1=O ORTYMGHCFWKXHO-UHFFFAOYSA-N 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- -1 stability are good Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
Classifications
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Analytical Chemistry (AREA)
- Geology (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Catalysts (AREA)
Abstract
The invention belongs to chemical catalyst preparation technical field, disclosing a kind of nano titanium dioxide photocatalysis improves tunnel air quality catalyst and preparation method, and the nano titanium dioxide photocatalysis improves tunnel air quality catalyst and preparation system includes：Power module, starting module, parameter configuration module, single chip control module, slurrying module, high speed centrifugation module, low-temperature oxidation module, high temperature module, UV treatment module, ultrasonic treatment module.The present invention by ultraviolet light transmission handle, form regular electron hole pair, can be formed it is highly uniform obtain nano particle, and under the conditions of visible light obtains also can catalytic degradation purify the air of a room, efficiently administer indoor air quality；Obtaining modified nano-titanium dioxide, not only good dispersion, stability are good, good with the compatibility of organic matter, moreover it is possible to which the weatherability for improving titanium dioxide has a wide range of applications in photochemical catalyst field.
Description
Technical field
The invention belongs to chemical catalyst preparation technical fields more particularly to a kind of nano titanium dioxide photocatalysis to improve tunnel
Road air quality catalyst and preparation method.
Background technique
Nano-titanium dioxide is fluffy white powder, and shielding ultraviolet rays effect is strong, there is good dispersibility and weatherability.It can
The infringement of ultraviolet light is prevented as ultraviolet light screener for fields such as cosmetics, functional fibre, plastics, coating, paint.?
It can be used for superior automobile finishing coat, there is effect.However, existing nano titanium dioxide photocatalyst purification air effect
Fruit is poor；It is bad dispersibility, unstable, with organic matter poor compatibility.
In conclusion problem of the existing technology is：
(1) existing nano titanium dioxide photocatalyst purification air effect is poor；It is bad dispersibility, unstable, with organic matter
Poor compatibility.
(2) existing method for parameter configuration is poor to the rejection ability of different disturbances, directly affects air quality catalyst
Quality.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of nano titanium dioxide photocatalysis to improve tunnel air
Quality catalyst and preparation method.
The invention is realized in this way a kind of nano titanium dioxide photocatalysis improves the preparation of tunnel air quality catalyst
Method, the preparation method that the nano titanium dioxide photocatalysis improves tunnel air quality catalyst include the following steps：
Step 1, when preparation, electric power source pair of module single-chip microcontroller is powered；Start to start Preparation equipment by starting module；
Initial parameter configuration is carried out to Preparation equipment by parameter configuration module using parameter optimization configuration method；
The parameter optimization configuration method includes：
(1) according to total disturbance f (x1, x2) dynamic characteristic, set desired disturbance observation bandwidth as ω c.
(2) tracking error e when work is given1Maximum value emax, and according to fal function structure feature, determine F most
Small value FminWith maximum value Fmin, and then obtain the variation range (F of Fmin, Fmax)；
(3) F for meeting following two condition is chosen0POLE PLACEMENT USING is carried out with ρ：
1) make F0There is bandwidth peak d in point0=ρ；
2) make Fmin、FmaxTwo o'clock correspond to bandwidth it is identical and be equal to desired disturbance observation bandwidth.I.e.
Wherein：
Finding out ρ and F0Afterwards, it is configured by following formula calculating parameter：
β01=3 ρ, β02=3 ρ2/F0, β03=ρ3/F0；
Step 2 dispatches slurrying module by Job-Shop mathematical model single chip control module and passes through low temperature hydrolysis, low
Middle benefit gas and obtained slurry；Then, it is separated by solid-liquid separation as high speed centrifugation module slurry by made from by supercentrifuge, and
It is washed repeatedly with deionized water, centrifuge separation is less than 95% until water intermediate ion number；
The Job-Shop mathematical model is：
(1) machine collection M={ m1, m2..., mm, mjIndicate jth platform machine, j=1,2 ..., m；
(2) part collection P={ p1, p2..., pn, indicate i-th of part, i=1,2 ..., n；
(3) process sequence sets OP={ op1, op2..., opn, OPi={ opi1, opi2..., opikIndicate part pi| work
Sequence sequence；
(4) the set OP of corresponding available machines usedM={ opi1, opi2..., opik, OPij={ opij1, opij2..., opijk}
Indicate part piThe processing machine that can choose of process j；
(5) each part is processed on corresponding every machine time matrix T, tij∈ T indicates i-th of part pi| use the
The time of j machine；
(6) each part is processed on corresponding every machine cost metrix C, cij∈ C indicates i-th of part pi| use the
The processing charges of j machine；
Step 3 will be added deionized water in the slurry being centrifuged by low-temperature oxidation module, be stirred continuously to form white
Suspension；Then 100-105ml hydrogen peroxide is added and is stirred continuously, temperature is controlled at 21-25 DEG C；Obtain orange transparent liquid；
Orange transparent liquid is placed in pyroreaction kettle by high temperature module, carries out circulation and be warming up to 180-190 by step 4
DEG C, pressure controls within 0.3Mpa, and speed of agitator controls 480-550rpm/min, continues 0.9-1.2 hours, obtains complexing and receives
Rice titanium dioxide；
Step 5 is transmitted using high-intensitive wavelength 254nm ultraviolet lamp to after cooling by UV treatment module
Nano-titanium dioxide is complexed to excite 0.9-1.2 hours, colorless and transparent nano titanium dioxide photocatalyst can be made；
Step 6 carries out ultrasound to nano titanium dioxide photocatalyst using supersonic generator by ultrasonic treatment module
Processing.
Further, the slurrying module pulping process is as follows：
Deionized water stirring is added in a kettle, temperature control is at 10 DEG C hereinafter, agitation revolution control is in 700-
1000rpm/min；It takes 45-55ml titanium tetrachloride to be slowly added to hydrolyze in beaker again, and controls hydrolysis temperature at 20 DEG C or less；Water
Transparent strong acid solution is made after the completion of solution；Ammonium hydroxide is added in transparent strong acid solution to be neutralized and be stirred continuously to form sticky slurry
Material, until pH value is neutrality.
Further, the ultrasonic treatment resume module method is as follows：
Firstly, nano-titanium dioxide is delivered to surface processing trough, barium stearate and ethyl alcohol is then added, control temperature exists
50-60 DEG C, it is that 150-300r/min stirs 15-30min in revolving speed, obtains nano titanium oxide dispersion；
Secondly, supersonic generator is added in above-mentioned nano titanium oxide dispersion, ricinoleate ester sodium sulphate is added
With sodium tripolyphosphate composite modifier, in the case where temperature is 50-60 DEG C, frequency is 60-80KHz, ultrasound 20-40min, must be modified and receive
Rice titanium dioxide liquid；
It finally, again being filtered modified nano-titanium dioxide liquid, dry, pulverize, be sieved, that is, complete nano-titanium dioxide
Surface treatment.
Improve tunnel air quality another object of the present invention is to provide a kind of nano titanium dioxide photocatalysis to urge
The nano titanium dioxide photocatalysis that the preparation method of agent uses improves the preparation system of tunnel air quality catalyst, described to receive
Rice optically catalytic TiO 2 improve tunnel air quality catalyst preparation system include：
Power module, starting module, parameter configuration module, single chip control module, slurrying module, high speed centrifugation module,
Low-temperature oxidation module, high temperature module, UV treatment module, ultrasonic treatment module；
Power module is connect with single chip control module, for being powered to single-chip microcontroller；
Starting module is connect with single chip control module, starts Preparation equipment for starting by start key；
Parameter configuration module is connect with single chip control module, for carrying out initial parameter configuration to Preparation equipment；
Single chip control module, with power module, starting module, parameter configuration module, slurrying module, high speed centrifugation mould
Block, low-temperature oxidation module, high temperature module, UV treatment module, ultrasonic treatment module connection, for controlling scheduling modules
It works normally；
Slurrying module, connect with single chip control module, for by low temperature hydrolysis, in low temperature and obtained slurry；
High speed centrifugation module, connect with single chip control module, for carrying out slurry obtained by supercentrifuge
It is separated by solid-liquid separation, and is washed repeatedly with deionized water, centrifuge separation is less than 95% until water intermediate ion number；
Low-temperature oxidation module, connect with single chip control module, for deionized water will be added in the slurry being centrifuged, no
Disconnected stirring forms white suspension；Then 100-105ml hydrogen peroxide is added and is stirred continuously, temperature is controlled at 21-25 DEG C；?
To orange transparent liquid；
High temperature module, connect with single chip control module, for orange transparent liquid to be placed in pyroreaction kettle, is followed
Ring is warming up to 180-190 DEG C, and pressure controls within 0.3Mpa, and speed of agitator controls 480-550rpm/min, continues 0.9-1.2
Hour, obtain complexing nano-titanium dioxide；
UV treatment module, connect with single chip control module, for being carried out using high-intensitive wavelength 254nm ultraviolet lamp
Transmission excites complexing nano-titanium dioxide after cooling 0.9-1.2 hours, and colorless and transparent nano-titanium dioxide can be made
Photochemical catalyst.
It is ultrasonically treated module, is connect with single chip control module, for passing through supersonic generator to nano-titanium dioxide
Photochemical catalyst is ultrasonically treated.
Improve tunnel air quality another object of the present invention is to provide a kind of nano titanium dioxide photocatalysis to urge
The improvement tunnel air quality catalyst of the preparation method preparation of agent, the improvement tunnel air quality catalyst.
The present invention by ultraviolet light transmission handle, form regular electron hole pair, can be formed it is highly uniform obtain nano particle,
And under the conditions of visible light obtains also can catalytic degradation purify the air of a room, efficiently administer indoor air quality；Simultaneously by super
Acoustic wave methodogy breaks the nano particle that dispersion is reunited, and ultrasonic energy generates cavitation, so that liquid is in high frequency oscillation state and subtract
Agglomeration between lepton；Obtaining modified nano-titanium dioxide, not only good dispersion, stability are good, phase with organic matter
Capacitive is good, moreover it is possible to which the weatherability for improving titanium dioxide has a wide range of applications in photochemical catalyst field.The present invention guarantees allowing
In range when variation, disturbance observation performance is consistently greater than given value by minimum and disturbance observation bandwidth is influenced；Parameter configuration
Method can effectively expand observer bandwidth, and then improve the rejection ability to different disturbances, have weight to application range is expanded
Want meaning.Dispatcher can intuitively carry out production plan scheduled production by air quality catalyst under normal production conditions,
Can make workshop under the premise of guaranteeing delivery date quickly and without any confusion produce, shorten air quality catalyst
Process-cycle improves machine utilization rate and production efficiency.Conclusion：Genetic algorithm static state production scheduling model can be effective for
The general scheduled production of air quality catalyst operation is dispatched, and may participate in hand fit's adjustment when meeting bursty state, or needs to mention
For dynamic dispatching solution.
Detailed description of the invention
Fig. 1 is that the present invention implements the nano titanium dioxide photocatalysis provided improvement tunnel air quality catalyst and preparation side
Method flow chart；
Fig. 2 is that the present invention implements the nano titanium dioxide photocatalysis provided improvement tunnel air quality catalyst and preparation system
System structural block diagram；
In Fig. 2：1, power module；2, starting module；3, parameter configuration module；4, single chip control module；5, slurrying mould
Block；6, high speed centrifugation module；7, low-temperature oxidation module；8, high temperature module；9, UV treatment module；10, it is ultrasonically treated module.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
With reference to the accompanying drawing and specific embodiment is further described application principle of the invention.
As shown in Figure 1, a kind of nano titanium dioxide photocatalysis provided by the invention improves tunnel air quality catalyst
Preparation method includes the following steps：
S101：When preparation, electric power source pair of module single-chip microcontroller is powered；Start to start Preparation equipment by starting module；It is logical
It crosses parameter configuration module and initial parameter configuration is carried out to Preparation equipment；
S102：Single chip control module dispatches slurrying module by low temperature hydrolysis, in low temperature and obtained slurry；Then, lead to
It crosses high speed centrifugal mold block and is separated by solid-liquid separation slurry obtained by supercentrifuge, and washed repeatedly with deionized water, from
Heart separation is less than 95% until water intermediate ion number；
S103：By low-temperature oxidation module by deionized water is added in the slurry being centrifuged, it is stirred continuously to form white hang
Supernatant liquid；Then 100-105ml hydrogen peroxide is added and is stirred continuously, temperature is controlled at 21-25 DEG C；Obtain orange transparent liquid；
S104：Orange transparent liquid is placed in pyroreaction kettle by high temperature module, circulation is carried out and is warming up to 180-190
DEG C, pressure controls within 0.3Mpa, and speed of agitator controls 480-550rpm/min, continues 0.9-1.2 hours, obtains complexing and receives
Rice titanium dioxide；
S105：It is transmitted using high-intensitive wavelength 254nm ultraviolet lamp to network after cooling by UV treatment module
It closes nano-titanium dioxide to excite 0.9-1.2 hours, colorless and transparent nano titanium dioxide photocatalyst can be made；
S106：Nano titanium dioxide photocatalyst is carried out at ultrasound using supersonic generator by ultrasonic treatment module
Reason.
As shown in Fig. 2, nano titanium dioxide photocatalysis provided in an embodiment of the present invention improves tunnel air quality catalyst
Preparation system include：Power module 1, starting module 2, parameter configuration module 3, single chip control module 4, slurrying module 5, height
Speed centrifugation module 6, low-temperature oxidation module 7, high temperature module 8, UV treatment module 9, ultrasonic treatment module 10.
Power module 1 is connect with single chip control module 4, for being powered to single-chip microcontroller；
Starting module 2 is connect with single chip control module 4, starts Preparation equipment for starting by start key；
Parameter configuration module 3 is connect with single chip control module 4, for carrying out initial parameter configuration to Preparation equipment；
Single chip control module 4, with power module 1, starting module 2, parameter configuration module 3, slurrying module 5, at a high speed from
Core module 6, low-temperature oxidation module 7, high temperature module 8, UV treatment module 9, ultrasonic treatment module 10 connect, for controlling
Modules are dispatched to work normally；
Slurrying module 5 is connect with single chip control module 4, for by low temperature hydrolysis, in low temperature and obtained slurry；
High speed centrifugation module 6 is connect with single chip control module 4, for by slurry obtained by supercentrifuge into
Row is separated by solid-liquid separation, and is washed repeatedly with deionized water, and centrifuge separation is less than 95% until water intermediate ion number；
Low-temperature oxidation module 7 is connect with single chip control module 4, for deionized water will be added in the slurry being centrifuged,
It is stirred continuously to form white suspension；Then 100-105ml hydrogen peroxide is added and is stirred continuously, temperature is controlled at 21-25 DEG C；
Obtain orange transparent liquid；
High temperature module 8 is connect with single chip control module 4, for orange transparent liquid to be placed in pyroreaction kettle, is carried out
Circulation is warming up to 180-190 DEG C, and pressure controls within 0.3Mpa, and speed of agitator controls 480-550rpm/min, continues 0.9-
1.2 hours, obtain complexing nano-titanium dioxide；
UV treatment module 9 is connect with single chip control module 4, for using high-intensitive wavelength 254nm ultraviolet lamp into
Row transmission excites complexing nano-titanium dioxide after cooling 0.9-1.2 hours, and colorless and transparent nanometer titanium dioxide can be made
Titanium photochemical catalyst.
It is ultrasonically treated module 10, is connect with single chip control module 4, for passing through supersonic generator to nanometer titanium dioxide
Titanium photochemical catalyst is ultrasonically treated.
5 pulping process of slurrying module provided by the invention is as follows：
Deionized water stirring is added in a kettle, temperature control is at 10 DEG C hereinafter, agitation revolution control is in 700-
1000rpm/min；It takes 45-55ml titanium tetrachloride to be slowly added to hydrolyze in beaker again, and controls hydrolysis temperature at 20 DEG C or less；Water
Transparent strong acid solution is made after the completion of solution；Ammonium hydroxide is added in transparent strong acid solution to be neutralized and be stirred continuously to form sticky slurry
Material, until pH value is neutrality.
10 processing methods of ultrasonic treatment module provided by the invention are as follows：
Firstly, nano-titanium dioxide is delivered to surface processing trough, barium stearate and ethyl alcohol is then added, control temperature exists
50-60 DEG C, it is that 150-300r/min stirs 15-30min in revolving speed, obtains nano titanium oxide dispersion；
Secondly, supersonic generator is added in above-mentioned nano titanium oxide dispersion, ricinoleate ester sodium sulphate is added
With sodium tripolyphosphate composite modifier, in the case where temperature is 50-60 DEG C, frequency is 60-80KHz, ultrasound 20-40min, must be modified and receive
Rice titanium dioxide liquid；
It finally, again being filtered modified nano-titanium dioxide liquid, dry, pulverize, be sieved, that is, complete nano-titanium dioxide
Surface treatment.
Application principle of the invention is further described combined with specific embodiments below.
Nano titanium dioxide photocatalysis provided in an embodiment of the present invention improves the preparation method of tunnel air quality catalyst
Include the following steps：
Step 1, when preparation, electric power source pair of module single-chip microcontroller is powered；Start to start Preparation equipment by starting module；
Initial parameter configuration is carried out to Preparation equipment by parameter configuration module using parameter optimization configuration method；
The parameter optimization configuration method includes：
(1) according to total disturbance f (x1, x2) dynamic characteristic, set desired disturbance observation bandwidth as ω c.
(2) tracking error e when work is given1Maximum value emax, and according to fal function structure feature, determine F most
Small value FminWith maximum value Fmax, and then obtain the variation range (F of Fmin, Fmax)；
(3) F for meeting following two condition is chosen0POLE PLACEMENT USING is carried out with ρ：
1) make F0There is bandwidth peak d in point0=ρ；
2) make Fmin、FmaxTwo o'clock correspond to bandwidth it is identical and be equal to desired disturbance observation bandwidth.I.e.
Wherein：
Finding out ρ and F0Afterwards, it is configured by following formula calculating parameter：
β01=3 ρ, β02=3 ρ2/F0, β03=ρ3/F0；
Step 2 dispatches slurrying module by Job-Shop mathematical model single chip control module and passes through low temperature hydrolysis, low
Middle benefit gas and obtained slurry；Then, it is separated by solid-liquid separation as high speed centrifugation module slurry by made from by supercentrifuge, and
It is washed repeatedly with deionized water, centrifuge separation is less than 95% until water intermediate ion number；
The Job-Shop mathematical model is：
(1) machine collection M={ m1, m2..., mm, mjIndicate jth platform machine, j=1,2 ..., m；
(2) part collection p={ p1, p2..., pn, indicate i-th of part, i=1,2 ..., n；
(3) process sequence sets OP={ op1, op2..., opn, OPi={ opi1, opi2..., opikIndicate part pi| work
Sequence sequence；
(4) the set OP of corresponding available machines usedM={ opi1, opi2..., opik, OPij={ opij1, opij2..., opijk}
Indicate part ρiThe processing machine that can choose of process j；
(5) each part is processed on corresponding every machine time matrix T, tij∈ T indicates i-th of part ρi| use the
The time of j machine；
(6) each part is processed on corresponding every machine cost metrix C, cij∈ C indicates i-th of part pi| use the
The processing charges of j machine；
Step 3 will be added deionized water in the slurry being centrifuged by low-temperature oxidation module, be stirred continuously to form white
Suspension；Then 100-105ml hydrogen peroxide is added and is stirred continuously, temperature is controlled at 21-25 DEG C；Obtain orange transparent liquid；
Orange transparent liquid is placed in pyroreaction kettle by high temperature module, carries out circulation and be warming up to 180-190 by step 4
DEG C, pressure controls within 0.3Mpa, and speed of agitator controls 480-550rpm/min, continues 0.9-1.2 hours, obtains complexing and receives
Rice titanium dioxide；
Step 5 is transmitted using high-intensitive wavelength 254nm ultraviolet lamp to after cooling by UV treatment module
Nano-titanium dioxide is complexed to excite 0.9-1.2 hours, colorless and transparent nano titanium dioxide photocatalyst can be made；
Step 6 carries out ultrasound to nano titanium dioxide photocatalyst using supersonic generator by ultrasonic treatment module
Processing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (5)
1. the preparation method that a kind of nano titanium dioxide photocatalysis improves tunnel air quality catalyst, which is characterized in that described
The preparation method that nano titanium dioxide photocatalysis improves tunnel air quality catalyst includes the following steps：
Step 1, when preparation, electric power source pair of module single-chip microcontroller is powered；Start to start Preparation equipment by starting module；Using
Parameter optimization configuration method carries out initial parameter configuration to Preparation equipment by parameter configuration module；
The parameter optimization configuration method includes：
(1) according to total disturbance f (x1, x2) dynamic characteristic, set desired disturbance observation bandwidth as ω c.
(2) tracking error e when work is given1Maximum value emax, and according to fal function structure feature, determine the minimum value of F
FminWith maximum value Fmax, and then obtain the variation range (F of Fmin, Fmax)；
(3) F for meeting following two condition is chosen0POLE PLACEMENT USING is carried out with ρ：
1) make F0There is bandwidth peak d in point0=ρ；
2) make Fmin、FmaxTwo o'clock correspond to bandwidth it is identical and be equal to desired disturbance observation bandwidth, i.e.,
Wherein：
Finding out ρ and F0Afterwards, it is configured by following formula calculating parameter：
β01=3 ρ, β02=3 ρ2/F0, β03=ρ3/F0；
Step 2 dispatches slurrying module by low temperature hydrolysis, in low temperature by Job-Shop mathematical model single chip control module
With obtained slurry；Then, it is separated by solid-liquid separation, and spent by supercentrifuge as high speed centrifugation module slurry by made from
Ionized water repeated washing, centrifuge separation are less than 95% until water intermediate ion number；
The Job-Shop mathematical model is：
(1) machine collection M={ m1, m2..., mm, mjIndicate jth platform machine, j=1,2 ..., m；
(2) part collection P={ p1, p2..., pn, indicate i-th of part, i=1,2 ..., n；
(3) process sequence sets OP={ op1, op2..., opn, OPi={ opi1, opi2..., opikIndicate part pi| process sequence
Column；
(4) the set OP of corresponding available machines usedM={ opi1, opi2..., opik, OPij={ opij1, opij2..., opijkIndicate
Part pi| the processing machine that can choose of process j；
(5) each part is processed on corresponding every machine time matrix T, tij∈ T indicates i-th of part pi| it uses j-th
The time of machine；
(6) each part is processed on corresponding every machine cost metrix C, cij∈ C indicates i-th of part pi| it uses j-th
The processing charges of machine；
Step 3 will be added deionized water in the slurry being centrifuged by low-temperature oxidation module, be stirred continuously to form white suspension
Liquid；Then 100-105ml hydrogen peroxide is added and is stirred continuously, temperature is controlled at 21-25 DEG C；Obtain orange transparent liquid；
Orange transparent liquid is placed in pyroreaction kettle by high temperature module, carries out circulation and be warming up to 180-190 DEG C by step 4,
Pressure controls within 0.3Mpa, and speed of agitator controls 480-550rpm/min, continues 0.9-1.2 hours, obtains complexing nanometer
Titanium dioxide；
Step 5 is transmitted using high-intensitive wavelength 254nm ultraviolet lamp to complexing after cooling by UV treatment module
Nano-titanium dioxide excites 0.9-1.2 hours, and colorless and transparent nano titanium dioxide photocatalyst can be made；
Step 6 carries out at ultrasound nano titanium dioxide photocatalyst using supersonic generator by ultrasonic treatment module
Reason.
2. nano titanium dioxide photocatalysis as described in claim 1 improves the preparation method of tunnel air quality catalyst,
It is characterized in that, the slurrying module pulping process is as follows：
Deionized water stirring is added in a kettle, temperature control is at 10 DEG C hereinafter, agitation revolution control is in 700-1000rpm/
min；It takes 45-55ml titanium tetrachloride to be slowly added to hydrolyze in beaker again, and controls hydrolysis temperature at 20 DEG C or less；After the completion of hydrolysis
Transparent strong acid solution is made；Ammonium hydroxide is added in transparent strong acid solution to be neutralized and be stirred continuously to form sticky slurry, until
PH value is neutrality.
3. nano titanium dioxide photocatalysis as described in claim 1 improves the preparation method of tunnel air quality catalyst,
It is characterized in that, the ultrasonic treatment resume module method is as follows：
Firstly, nano-titanium dioxide is delivered to surface processing trough, barium stearate and ethyl alcohol is then added, controls temperature in 50-
60 DEG C, it is that 150-300r/min stirs 15-30min in revolving speed, obtains nano titanium oxide dispersion；
Secondly, supersonic generator is added in above-mentioned nano titanium oxide dispersion, ricinoleate ester sodium sulphate and three are added
Polyphosphate sodium composite modifier, in the case where temperature is 50-60 DEG C, frequency is 60-80KHz, ultrasound 20-40min, obtains modified Nano two
Titanium oxide liquid；
It finally, again being filtered modified nano-titanium dioxide liquid, dry, pulverize, be sieved, that is, complete the surface of nano-titanium dioxide
Processing.
4. the preparation method that nano titanium dioxide photocatalysis described in a kind of claim 1 improves tunnel air quality catalyst uses
Nano titanium dioxide photocatalysis improve tunnel air quality catalyst preparation system, which is characterized in that the nano-silica
Change titanium photocatalysis improve tunnel air quality catalyst preparation system include：
Power module, starting module, parameter configuration module, single chip control module, slurrying module, high speed centrifugation module, low temperature
Oxidation module, high temperature module, UV treatment module, ultrasonic treatment module；
Power module is connect with single chip control module, for being powered to single-chip microcontroller；
Starting module is connect with single chip control module, starts Preparation equipment for starting by start key；
Parameter configuration module is connect with single chip control module, for carrying out initial parameter configuration to Preparation equipment；
Single chip control module, with power module, starting module, parameter configuration module, slurrying module, high speed centrifugation module, low
Warm oxidation module, high temperature module, UV treatment module, ultrasonic treatment module connection are normal for controlling scheduling modules
Work；
Slurrying module, connect with single chip control module, for by low temperature hydrolysis, in low temperature and obtained slurry；
High speed centrifugation module, connect with single chip control module, for slurry obtained to be carried out solid-liquid by supercentrifuge
Separation, and washed repeatedly with deionized water, centrifuge separation is less than 95% until water intermediate ion number；
Low-temperature oxidation module, connect with single chip control module, for deionized water will be added in the slurry being centrifuged, constantly stirs
It mixes to form white suspension；Then 100-105ml hydrogen peroxide is added and is stirred continuously, temperature is controlled at 21-25 DEG C；Obtain orange
Color transparent liquid；
High temperature module, connect with single chip control module, for orange transparent liquid to be placed in pyroreaction kettle, carries out circulation and rises
To 180-190 DEG C, pressure controls within 0.3Mpa temperature, and speed of agitator controls 480-550rpm/min, and it is small to continue 0.9-1.2
When, obtain complexing nano-titanium dioxide；
UV treatment module, connect with single chip control module, for being transmitted using high-intensitive wavelength 254nm ultraviolet lamp
Complexing nano-titanium dioxide after cooling is excited 0.9-1.2 hours, the nano-titanium dioxide light that can be made colorless and transparent is urged
Agent；
It is ultrasonically treated module, is connect with single chip control module, for being urged by supersonic generator nano-titanium dioxide light
Agent is ultrasonically treated.
5. the preparation method preparation that nano titanium dioxide photocatalysis described in a kind of claim 1 improves tunnel air quality catalyst
Improvement tunnel air quality catalyst, which is characterized in that the improvement tunnel air quality catalyst.
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