CN106082787B - A kind of boiler flue desulfuring towers renovation agent and preparation method thereof - Google Patents
A kind of boiler flue desulfuring towers renovation agent and preparation method thereof Download PDFInfo
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- CN106082787B CN106082787B CN201610421170.6A CN201610421170A CN106082787B CN 106082787 B CN106082787 B CN 106082787B CN 201610421170 A CN201610421170 A CN 201610421170A CN 106082787 B CN106082787 B CN 106082787B
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- dibutyl phthalate
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- 238000009418 renovation Methods 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 52
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000000428 dust Substances 0.000 claims abstract description 37
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000011294 coal tar pitch Substances 0.000 claims abstract description 18
- 239000012190 activator Substances 0.000 claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 12
- 239000003085 diluting agent Substances 0.000 claims abstract description 11
- HIMXAERGQMNODV-UHFFFAOYSA-N 2-N,4-N,1,2,3,4-hexamethoxy-2-N-methyl-1,3,5-triazine-2,4,6-triamine Chemical compound CONC1(N(C(N(C(=N1)N)OC)(N(C)OC)OC)OC)OC HIMXAERGQMNODV-UHFFFAOYSA-N 0.000 claims abstract description 10
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011230 binding agent Substances 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 14
- 239000003546 flue gas Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 12
- 239000010881 fly ash Substances 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 8
- 238000010790 dilution Methods 0.000 claims description 6
- 239000012895 dilution Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 4
- 206010021143 Hypoxia Diseases 0.000 claims description 3
- 208000018875 hypoxemia Diseases 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 230000003134 recirculating effect Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 13
- 238000005260 corrosion Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000004132 cross linking Methods 0.000 abstract description 7
- 230000004048 modification Effects 0.000 abstract description 5
- 238000012986 modification Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000012764 mineral filler Substances 0.000 abstract description 2
- 230000003009 desulfurizing effect Effects 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 239000004567 concrete Substances 0.000 description 8
- 238000006477 desulfuration reaction Methods 0.000 description 8
- 230000023556 desulfurization Effects 0.000 description 8
- 239000004568 cement Substances 0.000 description 7
- 229910052681 coesite Inorganic materials 0.000 description 7
- 229910052906 cristobalite Inorganic materials 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000000377 silicon dioxide Substances 0.000 description 7
- 229910052682 stishovite Inorganic materials 0.000 description 7
- 229910052905 tridymite Inorganic materials 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
- 239000003610 charcoal Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 3
- 229910001950 potassium oxide Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 208000028571 Occupational disease Diseases 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 2
- 235000013539 calcium stearate Nutrition 0.000 description 2
- 239000008116 calcium stearate Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- -1 haydite Substances 0.000 description 2
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 1
- WJQOZHYUIDYNHM-UHFFFAOYSA-N 2-tert-Butylphenol Chemical compound CC(C)(C)C1=CC=CC=C1O WJQOZHYUIDYNHM-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- CTKINSOISVBQLD-UHFFFAOYSA-N Glycidol Chemical compound OCC1CO1 CTKINSOISVBQLD-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011300 coal pitch Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 150000002168 ethanoic acid esters Chemical class 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000007974 melamines Chemical class 0.000 description 1
- 150000002814 niacins Chemical class 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/72—Repairing or restoring existing buildings or building materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to environmental technology field, and in particular to a kind of boiler flue desulfuring towers renovation agent and preparation method thereof, it is characterized in that：Including component A and B component, according to the mass fraction, component A includes following components to component：100 parts of aggregate CFBB flying dust；2~8 parts of activator propylene glycol methyl ether acetate；5~10 parts of binder resorcinol；8~10 parts of tackifier low temperature coal tar pitch；3~8 parts of diluent dibutyl phthalate, B component include following components：3~5 parts of curing agent hexa；3~5 parts of accelerator hexamethoxy methyl cyanuramide；1~2 part of stabilizer dibutyl phthalate is diluted, curing agent and accelerator press 1:1 mass fraction matches.Al in aggregate CFBB flying dust2O3Belong to high rigidity, corrosion-resistant mineral filler, can improve the abrasion resistance and decay resistance of renovation agent, the SiO in aggregate2Particle is easily with curing agent cross-linking reaction, the high-value-use by various activator surface actives or modification.
Description
Technical field
The present invention relates to environmental technology field, and in particular to a kind of boiler flue desulfuring towers renovation agent and preparation method thereof.
Background technology
The large desulfurization device of boiler flue gas desulfurization is referred to as desulfurizing tower, SO2Wet process of FGD green technology is because of its desulfurization
Rate is high, ature of coal applicable surface is wide, mature technology, steady running cycle length, load change influence small, gas treatment ability is big etc.
Feature, each large and medium-sized thermal power plant is widely used in, turns into the leading technology technology of domestic and international flue gas desulphurization.It is right
For desulphurization plant, the technique has SO2Absorbing liquid corrosive medium is strong, processing flue-gas temperature is high, abrasiveness is strong, equipment anticorrosion
Lose the features such as region is big, anticorrosion failure maintenance is difficult.Desulfurizing tower is upright tall and slender structure mostly, is subjected to pressure, temperature
And gravitational load, while the dynamic load(loading)s such as wind load and seismic (seismal are born again.Therefore, the corrosion control of desulfurizing tower is always shadow
One of Important Problems of device long period safe operation are rung, how desulfurization tower passes through chosen material, anticorrosion process, maintenance
The measures such as maintenance are always the problem of perplexing engineers and technicians.Chinese invention patent（Patent No. 201310278422.0, specially
The entitled Concrete capable of resisting concentrated seawater and desulfurization flue gas corrosion of profit）Disclose a kind of resisting concentrated seawater and desulfurization flue gas corrosion
Concrete, be characterised by being made up of rubble, sand, gel rubber material, additive and water, the binder materials by cement, miberal powder with
And flyash composition, miberal powder and the flyash shared mass percent in gel rubber material are respectively 23.6%~25%, and surplus is water
Mud.The proportioning of flyash, miberal powder and cement in gel rubber material by controlling concrete, and strictly control the alkali of gel rubber material to contain
Amount and chloride ion content, intensity requirement and corrosion resistance requirement of the nicotinic acids seawater cooling tower to concrete is reached, has saved
The step of must making corrosion-inhibiting coating in conventional art, therefore can raise labour efficiency, reduce construction cost.Chinese invention
Patent（Patent No. 201310310005.X, patent name are antifriction metal renovation agent and preparation method thereof）Disclose a kind of anti-
Metal repair and preparation method thereof is ground, is characterised by that antifriction metal renovation agent is made up of the raw material of following parts by weight meter：It is stearic
Sour calcium 20-30 parts, potassium oxide 2-10 parts, dioctyl phthalate 12-18 parts, dioctyl adipate 20-25 parts, nitromethane
10-20 parts, carbon tetrachloride 10-20 parts, triethanolamine 4-9 parts, ammonium sulfate 3-10 parts, butyl acetate 12-15 parts.Using system
Standby antifriction metal renovation agent, 20min is preheated, be then injected on the metal for needing to repair, solidify 20min, antifriction metal reparation
Agent can solidify in metal surface, and the friction of metal surface may decrease to more than 95%, have good abrasion resistance energy.
Chinese invention patent（Patent No. 201310278422.0, patent name are a kind of processing side of CFBB flying dust
Method）A kind of processing method of CFBB flying dust is disclosed, it is characterized in that：The processing method is by recirculating fluidized bed pot
Converter fly ash first carries out surface using regulator before friction electrical selection and is modified adjustment, is charged by friction in separator to improve to feed
Row sorting effect, charcoal uncombusted in CFBB flying dust is separated with flying dust, obtain the low flying dust of carbon content with
The high rich charcoal product of carbon content；Surface before described CFBB flying dust friction electrical selection is modified method of adjustment：
In the various mode course of conveying of CFBB flying dust or in the tankages such as storehouse, by regulator with liquid or steam state
With flying dust fully mix in linear contact lay, make flying dust that surface occur and be modified adjustment.High carbon content richness charcoal product after sorting can
With directly return fluidized-bed combustion boiler burning and meanwhile reduce circulating ratio for prepare the charcoal such as activated carbon product or as commonly fire
Material, the low carbon content flying dust after sorting is used as the raw materials such as cement, concrete, brick, haydite, filler.Both the above is etch-proof
Process, take concrete, the renovation technique of certain measure such as resistance to desulfurization fume corrosion to be solved, but desulfurizing tower compared with
High, processing flue-gas temperature height, concrete easily corrode the reinforcing bar of inside because of swelling cracking, cause potential safety hazard, above-mentioned coagulation
Soil is not necessarily suitable desulfurizer device suitable for cooling tower；Above-mentioned antifriction metal renovation agent is using calcium stearate, potassium oxide as bone
Material, dioctyl phthalate, dioctyl adipate, nitromethane, carbon tetrachloride are as solvent, and triethanolamine is as curing agent
System have the characteristics of shorter hardening time, hydrophobicity, but for this corrosive medium of desulfurizing tower is strong, processing flue-gas temperature
Device high, abrasiveness is strong, aggregate calcium stearate, potassium oxide are poor to the impact of solid particle, abrasive effect in boiler smoke,
Other whole formula system is under the high temperature conditions（Such as 150-230 DEG C of desulfurizing tower flue-gas temperature）Impact strength is relatively low, simultaneously
Hardening time is also unfavorable compared with short, repairing construction time longer this kind equipment big to desulfurizing tower corrosion area, is also exactly nitre
This kind of volatile, strong stimulation solvent of methylmethane, carbon tetrachloride has large effect to desulfurizing tower interior construction personnel.And above-mentioned one
The processing method of kind of CFBB flying dust refers to that by regulator be water or the mixture of water and surfactant to following
Ring CFB fly ash carries out surface modification, turns into the raw materials such as cement, concrete, brick, haydite, filler, so using just sacrificial
Its larger specific surface area of domestic animal and good active technical characteristic, by various hydrophobicity activator surface actives or can change
Property and the value of high-value-use.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of boiler flue desulfuring towers renovation agent and its preparation
Method, the renovation agent and preparation method thereof is relatively specific for the reparation of desulfurizing tower corrosion area.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of boiler flue desulfuring towers renovation agent,
It is characterized in that：Including component A and B component, the component is according to the mass fraction.
The component A includes following components：100 parts of aggregate CFBB flying dust；Activator propylene glycol monomethyl ether
2~8 parts of acetic acid esters；5~10 parts of binder resorcinol；8~10 parts of tackifier low temperature coal tar pitch；Diluent phthalic acid
3~8 parts of dibutyl ester.
The B component includes following components：3~5 parts of curing agent hexa；Accelerator hexamethoxy methyl cyanuramide
3~5 parts；1~2 part of stabilizer dibutyl phthalate is diluted, the curing agent and accelerator press 1:1 mass fraction matches.
Inventor has found, the aggregate CFBB flying dust removing dust device receives ash, into bulk cement storage tank and completely cuts off sky
38 μm~58 μm of the particle size of fly ash of gas, main component Al2O3And SiO2, one of main component Al2O3Content is about 31~38%,
It is a kind of ideal packing material with higher hardness, corrosion-resistant and wearability；Another kind has well active
Main component SiO2Content is about 45~55%, and as in coal, impurity component Si is after boiler hearth of circulating fluidized bed high temperature, in oxygen
Measure and form SiO under relatively low situation2Aerosol, carried under one's arms by the relatively low flue gas of oxygen amount, hit broken, aggregation cooling, deduster is caught
Collection, the bulk cement storage tank into isolation air, have larger specific surface area and good activity, can be by various hydrophobicity activators
Surface active or modification, preferred active agent of the present invention are propylene glycol methyl ether acetate, CAS accession number 25322-68-3, the work
Agent has a variety of functional groups, with SiO2Surface active groups can be grafted development, for final crosslinking curing provide one compared with
Good matrix.
Inventor has found, to keep the activity and high-value-use of aggregate CFBB flying dust, avoid environmental pollution,
And the technical process such as complete to convey, mix, separate, it is best suitable for, most cheap protection gas is tail gas after boiler flue gas dust remover.
Inventor has found that the ring and ball softening point of the tackifier low temperature coal tar pitch is 45-60 DEG C, main component asphalt adhesive
Matter is good and cheap with aggregate compatibility, can increase the toughness of renovation agent after addition, improves its shock resistance, its component
In can provide solidification crosslinking functional group.The binder resorcinol, CAS accession number 108-46-3, the present invention are preferably dilute
It is dibutyl phthalate to release agent, CAS accession number 84-74-2, is had to tackifier medium temperature coal pitch and binder resorcinol
There is good diluting effect, reduce viscosity to meet construction process requirement.
Inventor has found that aminated compounds is more suitable as the fixation crosslinking agent of inventive formulation system, with SiO2Grain
Sub- active surface, low temperature coal tar pitch, resorcinol can tree esterification reaction, solidification crosslinking after with desulfurization tower metal
Surface cohesive force is big, difficult for drop-off.Preferred consolidation agent of the present invention is hexa, CAS accession number 100-97-0, accelerator
For hexamethoxy methyl cyanuramide, CAS accession number 3089-11-0, for this repaired area of desulfurizing tower is larger, the engineering time is longer
Equipment, the number of dilution stabilizer dibutyl phthalate can be added by adjusting, time of adjustment solidification crosslinking and strong
Degree development.
A kind of boiler flue desulfuring towers renovation agent preparation method, it is characterized in that：Comprise the following steps：The first step, aggregate follow
Ring CFB fly ash mixes with the tail gas after boiler flue gas dust remover, into closed type circulation hypoxemia boiler exhaust gas mixing
Tower, activator propylene glycol methyl ether acetate spray to form droplet from atomizing shower nozzle, and parcel CFBB flying dust exists
Along tower body spiral-falling in the presence of gravity, during whereabouts, the particle of activator and CFBB flying dust is longer
It is bigger, and separated with losing kinetic energy in tower body wall friction and mutual collision with boiler exhaust gas, aggregation enters after being granulated and completely cut off
The storage device of air is as standby masterbatch, and binder resorcinol and tackifier low temperature coal tar pitch are through diluent phthalic acid
Stirred after dibutyl ester dilution with masterbatch and component A is made；Second step, before use, curing agent hexa, accelerator six
Methoxymethylated melamine, dilution stabilizer dibutyl phthalate stir by proportioning in stirring storage tank is made B component；The
Three steps, component A and B component press 1 during use:1 ratio is blended in after stirred autoclave stirs and can constructed.
Relative to prior art, the present invention, which at least contains, to be had the advantage that：First, aggregate CFBB flying dust is pot
Most common discarded object in stove production process, the injury to personnel in workplace is larger, easily causes the occupational diseases such as pneumoconiosis,
The aerial dust of loss pollutes to environment, main at present to be handled using the methods of landfill, both contaminated soil, again
Waste of resource and manpower.And the present invention is then turned waste into wealth, for preparing desulfurizing tower renovation agent, environment dirt can be not only reduced
Dye, and production cost can be reduced；Second, can be directly from storage ash because aggregate CFBB flying dust is gathered materials on the spot
Tank is taken, and bulk cement storage tank is obturator, not with air contact, in other words hypoxemia dry environment maintain SiO2The work of particle
Property, the input of process equipment is also reduced while saving cost of transportation, while renovation agent produces and processes in Sealing Arrangement, greatly
The big risk for reducing environmental pollution；3rd, the Al in aggregate2O3Belong to high rigidity, corrosion-resistant mineral filler, reparation can be improved
The abrasion resistance and decay resistance of agent, the SiO activated in aggregate2Particle be easy to curing agent cross-linking reaction, with whole formula
System has good compatibility, just maximum to utilize its larger specific surface area and good active technologies feature, can be various
Hydrophobicity activator surface active or modification and the value of high-value-use, typically than the common coagulation only as common filler
Soil have more preferable insulating properties, higher compression strength, it is higher with metal adhesion strength, more preferable resistance to chemical corrosion and
The resistance to mal shock resistance energy of the temperature difference；4th, low temperature coal tar pitch reacts with curing agent resinization, and low temperature coal tar pitch instead of in other words
Other high cost resins, are undoubtedly the reduction of production cost, have reached the purpose of high-value-use low temperature coal tar pitch, while make reparation
Agent good toughness, with base material cohesive force is high, resistance to ag(e)ing is good, heat-resisting good, while the hydrophobicity of low temperature coal tar pitch can ensure to inhale
Receive liquid（SO in alkali lye and absorption flue gas2Acid solution afterwards）It is impermeable to repair oxidant layer and cause to corrode metal tower wall.5th, use
Dilution stabilizer is dibutyl phthalate, without penetrating odor, to desulfurizing tower internal repair workmen's occupational disease hazards
Influence smaller.6th, by the use of boiler exhaust gas as protective gas, on the one hand maintain aggregate CFBB flying dust SiO2Grain
The activity of son, on the other hand turn waste into wealth, high-value-use boiler exhaust gas.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the implementation of the present invention is not limited to this.
Because the low temperature coal tar pitch composition of each manufacturer is not quite similar, time of crosslinking curing, strength development progress are not
Unanimously, the present embodiment selects Zinc Factory of Huludao's gas generator to provide low temperature coal tar pitch as formula material, ring and ball softening point
For 50-60 DEG C, Fujian Sheng Chemical Co., Ltd.s CFBB flying dust is selected as aggregate, Al2O3Content is about 35~
38%, SiO2Content is about 45~50%, and C content is about 3~5%, and remaining raw material is market purchase.
Embodiment 1
A kind of boiler flue desulfuring towers renovation agent, including component A and B component are present embodiments provided, according to the mass fraction：
Component A includes following components：100 parts of aggregate CFBB flying dust；2 parts of activator propylene glycol methyl ether acetate；It is glutinous
5 parts of mixture resorcinol；8 parts of tackifier low temperature coal tar pitch；3 parts of diluent dibutyl phthalate.
B component includes following components：3 parts of curing agent hexa；3 parts of accelerator hexamethoxy methyl cyanuramide；It is dilute
1 part of stabilizer dibutyl phthalate is released, the curing agent and accelerator press 1:1 mass fraction matches.
Embodiment 2
A kind of boiler flue desulfuring towers renovation agent, including component A and B component are present embodiments provided, according to the mass fraction：
Component A includes following components：100 parts of aggregate CFBB flying dust；8 parts of activator propylene glycol methyl ether acetate；It is glutinous
10 parts of mixture resorcinol；10 parts of tackifier low temperature coal tar pitch；8 parts of diluent dibutyl phthalate.
B component includes following components：5 parts of curing agent hexa；5 parts of accelerator hexamethoxy methyl cyanuramide；It is dilute
2 parts of stabilizer dibutyl phthalate is released, the curing agent and accelerator press 1:1 mass fraction matches.
Embodiment 3
A kind of boiler flue desulfuring towers renovation agent, including component A and B component are present embodiments provided, according to the mass fraction：
Component A includes following components：100 parts of aggregate CFBB flying dust；5 parts of activator propylene glycol methyl ether acetate；It is glutinous
8 parts of mixture resorcinol；10 parts of tackifier low temperature coal tar pitch；3 parts of diluent dibutyl phthalate.
B component includes following components：4 parts of curing agent hexa；4 parts of accelerator hexamethoxy methyl cyanuramide；It is dilute
2 parts of stabilizer dibutyl phthalate is released, the curing agent and accelerator press 1:1 mass fraction matches.
Embodiment 4
A kind of boiler flue desulfuring towers renovation agent, including component A and B component are present embodiments provided, according to the mass fraction：
Component A includes following components：100 parts of aggregate CFBB flying dust；3 parts of activator propylene glycol methyl ether acetate；It is glutinous
7 parts of mixture resorcinol；9 parts of tackifier low temperature coal tar pitch；5 parts of diluent dibutyl phthalate.
B component includes following components：4 parts of curing agent hexa；4 parts of accelerator hexamethoxy methyl cyanuramide；It is dilute
1 part of stabilizer dibutyl phthalate is released, the curing agent and accelerator press 1:1 mass fraction matches.
Embodiment 5
A kind of boiler flue desulfuring towers renovation agent, including component A and B component are present embodiments provided, according to the mass fraction：
Component A includes following components：100 parts of aggregate CFBB flying dust；4 parts of activator propylene glycol methyl ether acetate；It is glutinous
9 parts of mixture resorcinol；9 parts of tackifier low temperature coal tar pitch；6 parts of diluent dibutyl phthalate.
B component includes following components：5 parts of curing agent hexa；5 parts of accelerator hexamethoxy methyl cyanuramide；It is dilute
2 parts of stabilizer dibutyl phthalate is released, the curing agent and accelerator press 1:1 mass fraction matches.
Comparative example 1
A kind of mortar using CFBB flying dust as aggregate that this comparative example provides, by mass percentage, bag
Include following components：Bisphenol A type epoxy resin 44%；Aggregate CFBB flying dust 30%；Curing agent ethylenediamine 10%；Plasticising
Agent dibutyl phthalate 10%；Diluent tert-butyl phenol glycidol ether 6%.Aggregate CFBB flying dust exposes
At the scene 48 hours in air.
Simulate the insulating properties of desulfurizing tower environmental condition difference testing example 1-5 and the epoxy resin mortar of comparative example 1（Resistance
Value）, compression strength, with metal adhesion strength, resistance to H2SO4（90wt%, 70 DEG C）Performance（Time is 30 days）, resistance to NaOH（90wt%,
70℃）Performance（Time is 30 days）, the resistance to mal shock resistance energy of the temperature difference（Dew is put 8 hours at 70 DEG C, is then revealed at 20 DEG C and is put 10 hours,
Repeatedly for three times）, acquired results are shown in table 1.
Table 1：Embodiment 1-5 and the epoxy resin mortar of comparative example 1 the performance test results.
As shown in Table 1, in the case where simulating desulfurizing tower environmental condition, with comparative example 1（Epoxy resin mortar of the prior art）Compare,
A kind of boiler flue desulfuring towers renovation agent of the present invention has more preferable insulating properties, higher compression strength, higher with gold
Belong to adhesion strength, more preferable resistance to chemical corrosion and the mal shock resistance energy of the resistance to temperature difference.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and changed.Therefore, the invention is not limited in embodiment disclosed and described above, to the present invention's
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although used in this specification
Some specific terms, but these terms are merely for convenience of description, do not form any restrictions to the present invention.
Claims (1)
1. a kind of preparation method of boiler flue desulfuring towers renovation agent, it is characterized in that：Including component A and B component, component presses quality
Number meter, component A include following components：100 parts of aggregate CFBB flying dust；Activator propylene glycol methyl ether acetate
2~8 parts；5~10 parts of binder resorcinol；8~10 parts of tackifier low temperature coal tar pitch；Diluent dibutyl phthalate 3
~8 parts, B component includes following components：3~5 parts of curing agent hexa；Accelerator hexamethoxy methyl cyanuramide 3~5
Part；1~2 part of stabilizer dibutyl phthalate is diluted, curing agent and accelerator press 1:1 mass fraction matches；Including as follows
Step：The first step, aggregate CFBB flying dust mix with the tail gas after boiler flue gas dust remover, are circulated into closed type
Hypoxemia boiler exhaust gas mixing column, activator propylene glycol methyl ether acetate spray to form droplet from atomizing shower nozzle, parcel circulation
CFB fly ash is under gravity along tower body spiral-falling, during whereabouts, activator and recirculating fluidized bed pot
The particle of converter fly ash is more long bigger, and is separated with losing kinetic energy in tower body wall friction and mutual collision with boiler exhaust gas, gathers
Collection enters the storage device of isolation air as standby masterbatch, binder resorcinol and tackifier low temperature coal tar pitch warp after being granulated
Stirred after the dilution of diluent dibutyl phthalate with masterbatch and component A is made；Second step, before use, curing agent six is sub-
Tetramine, accelerator hexamethoxy methyl cyanuramide, dilution stabilizer dibutyl phthalate are stirred by proportioning in stirring storage tank
Mix and B component uniformly is made；3rd step, component A and B component press 1 during use:1 ratio is blended in after stirred autoclave stirs
It can construct.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101670231A (en) * | 2009-07-23 | 2010-03-17 | 刘荣甫 | Device and process for converting calcium process desulfurization into temperature difference crystallizing ammonia process desulfurization |
| CN102863941A (en) * | 2012-06-04 | 2013-01-09 | 上海灼日精细化工有限公司 | Anti-corrosion acid-resistant glue for wet-process desulfurization chimney and preparation method |
| CN103570278A (en) * | 2013-10-17 | 2014-02-12 | 长安大学 | Repairing material of epoxy asphalt paving layer potholes as well as preparation method and using method of material |
| CN103965777A (en) * | 2014-05-16 | 2014-08-06 | 无锡华东锌盾科技有限公司 | High-temperature-resistant, acid-resistant and anticorrosive coating for inner wall of chimney |
| CN105114968A (en) * | 2015-04-03 | 2015-12-02 | 溧阳康达威实业有限公司 | Anticorrosion modification method for desulphurization chimney of thermal power plant and special coating preparation |
| CN105499034A (en) * | 2015-12-30 | 2016-04-20 | 山东瑞嘉通风环保科技有限公司 | Internal corrosion resistant treatment process of desulfurization tower |
-
2016
- 2016-06-14 CN CN201610421170.6A patent/CN106082787B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101670231A (en) * | 2009-07-23 | 2010-03-17 | 刘荣甫 | Device and process for converting calcium process desulfurization into temperature difference crystallizing ammonia process desulfurization |
| CN102863941A (en) * | 2012-06-04 | 2013-01-09 | 上海灼日精细化工有限公司 | Anti-corrosion acid-resistant glue for wet-process desulfurization chimney and preparation method |
| CN103570278A (en) * | 2013-10-17 | 2014-02-12 | 长安大学 | Repairing material of epoxy asphalt paving layer potholes as well as preparation method and using method of material |
| CN103965777A (en) * | 2014-05-16 | 2014-08-06 | 无锡华东锌盾科技有限公司 | High-temperature-resistant, acid-resistant and anticorrosive coating for inner wall of chimney |
| CN105114968A (en) * | 2015-04-03 | 2015-12-02 | 溧阳康达威实业有限公司 | Anticorrosion modification method for desulphurization chimney of thermal power plant and special coating preparation |
| CN105499034A (en) * | 2015-12-30 | 2016-04-20 | 山东瑞嘉通风环保科技有限公司 | Internal corrosion resistant treatment process of desulfurization tower |
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Application publication date: 20161109 Assignee: Quanzhou green low carbon Research Institute Assignor: Yang Song Contract record no.: 2018350000007 Denomination of invention: Boiler flue gas desulfurization tower repair agent and preparation method thereof Granted publication date: 20171229 License type: Exclusive License Record date: 20180518 |
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Effective date of registration: 20191030 Address after: 314510 in the industrial park, zhouquan Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Tongxiang Jinqi plastic packaging Co., Ltd Address before: 362000 6 / F, building 36, Yuanhe 1916 Creative Industry Park, 610 Xinmen street, Licheng District, Quanzhou City, Fujian Province Patentee before: Yang Song |
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