CN104148055B - A kind of denitrating catalyst - Google Patents
A kind of denitrating catalyst Download PDFInfo
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- CN104148055B CN104148055B CN201410419979.6A CN201410419979A CN104148055B CN 104148055 B CN104148055 B CN 104148055B CN 201410419979 A CN201410419979 A CN 201410419979A CN 104148055 B CN104148055 B CN 104148055B
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- mixture solution
- catalyst
- denitrating catalyst
- catalyst according
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- 239000003054 catalyst Substances 0.000 title claims abstract description 53
- 239000000203 mixture Substances 0.000 claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 10
- 239000002241 glass-ceramic Substances 0.000 claims abstract description 10
- 239000003365 glass fiber Substances 0.000 claims abstract description 8
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 5
- 238000007380 fibre production Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000002791 soaking Methods 0.000 claims abstract description 4
- 238000001354 calcination Methods 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000007654 immersion Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000011094 fiberboard Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims 1
- 229910010413 TiO 2 Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000001413 cellular effect Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-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 4
- 239000003546 flue gas Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000001846 repelling effect Effects 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Abstract
A kind of denitrating catalyst, its production process comprises the following steps successively: (1) uses glass-ceramic procedure of fibre production catalyst substrate; (2) catalyst substrate using mixture solution soaking step (1) to produce; (3) catalyst substrate that step (2) was soaked is carried out drying; (4) calcine.Wherein, step (1) uses the cogged calender production catalyst substrate of band; Does mixture solution in step (2) contain the SiO2 of mixture solution gross mass? 20-30%, glass fibre 10-20%, V2O5? 10-20%, WO3? 5-10%, TiO2? 20-30%.Specific surface area of catalyst of the present invention is large, and intensity is high, and under the prerequisite ensureing denitration effect, resistance to corrosion, anti-smoke-shock ability etc. are all better than traditional cellular catalyst.
Description
Technical field
The present invention relates to a kind of denitrating catalyst, be specifically related to a kind of SCR type catalyst.
Background technology
The installed capacity of China's Thermal Power Generation Industry, generated energy and coal consumption amount all in ever-increasing trend, consequent nitrogen oxide (NO
x) impact of environment is on the rise.According to the difference of catalyst carrier, be applied to the catalyst mainly cellular catalyst of stationary source tail-gas denitration in the market.This catalyst has lower pressure drop, abrasion resistance properties and excellent denitration activity and obtains applying more and more widely, but there are some shortcomings in existing cellular catalyst, its optimum working temperature is generally at 300 ~ 450 DEG C, and in actual condition, flue-gas temperature is difficult to reach this temperature range, also need another heating source for obtaining good denitration effect, thus cost is improved; On the other hand in order to reach good denitration effect and sulfur resistive water repelling property, honeycomb type denitrification catalyst generally has higher hole density, but the large water gaging, sulfur dioxide and the dust that contain in actual flue gas are easy to make catalyst block, and considerably increase the energy consumption of dynamical system.Therefore need exploitation can have excellent denitration activity, sulfur resistive water repelling property at a lower temperature, and there is the catalyst of anti-dust blocking ability.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of catalyst for carrying out denitration to flue gas.In order to realize above object, the production technology of catalyst of the present invention comprises the following steps:
(1) glass-ceramic procedure of fibre production catalyst substrate is used;
(2) catalyst substrate using mixture solution soaking step (1) to produce;
(3) catalyst substrate that step (2) was soaked is carried out drying;
(4) calcine;
Wherein, step (1) uses the cogged calender production catalyst substrate of band; Mixture solution in step (2) contains the following component of mixture solution gross mass:
SiO220-30%, glass fibre 10-20%, V2O510-20%, WO35-10%, TiO220-30%.
Described catalyst is SCR type catalyst (SCR).
In described step (1), said glass-ceramic fiber contains silica and silicate.
The MoO31.5% of said mixture solution also containing mixture solution gross mass in described step (2), MnO20.8%, Fe2O31.5%.
Said immersion in described step (2), the time is 5-10 minute, and mixture solution temperature is 50-70 DEG C.
The said drying of described step (3), the time is 20-30 hour, and programming rate is no more than 15 DEG C/min, and baking temperature reaches 100-120 DEG C.
In described step (4), calcining heat is 420-450 DEG C, and calcination time 48-72 hour, programming rate is no more than 5 DEG C/min.
In described step (1), production catalyst substrate uses the cogged calender of band, and rolling temperature is 15-30 DEG C, is rolled, obtain ripple sheet material by two engaged gears; Between two-layer corrugated plating, add one deck flat board, stick with glue agent and fix.Described flat board is glass-ceramic fiberboard, and described adhesive is polyurethane adhesive.
The gear calender used in described step (1), the degree of depth and the width of gear teeth are of a size of 2mm*4mm-15mm*25mm.
Monolith of the present invention is arranged in Benitration reactor, and nitrogen-containing oxide flue gas fully contacts with catalyst by during Benitration reactor, reaches denitration effect, and catalyst of the present invention is installed simple, once damage, it is convenient to change, and saves cost.In addition, specific surface area of catalyst of the present invention is large, and intensity is high, and under the prerequisite ensureing denitration effect, resistance to corrosion, anti-smoke-shock ability etc. are all better than traditional cellular catalyst.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in more detail
Embodiment 1
A kind of production method of SCR type (SCR) denitrating catalyst, comprises the following steps successively according to production technology:
(1) use band cogged calender that glass-ceramic procedure of fibre production is gone out catalyst substrate; Wherein, the tooth of described calender gear, its degree of depth and width are of a size of 2mm*4mm, and rolling temperature is 15 DEG C; Rolled by two engaged gears, obtain ripple sheet material; Between two-layer corrugated plating, add one deck flat board, stick with glue agent and fix.
(2) catalyst substrate using mixture solution soaking step (1) to produce; Wherein, described immersion, the time is 5 minutes, and mixture solution temperature is 50 DEG C.
(3) catalyst substrate that step (2) was soaked is carried out drying; Said drying, the time is 20 hours, and programming rate is 15 DEG C/min, and baking temperature reaches 100 DEG C.
(4) calcine; Calcining heat is 420 DEG C, calcination time 72 hours, programming rate 5 DEG C/min.
Wherein, step (1) uses the cogged calender production catalyst substrate of band; Mixture solution in step (2) contains the SiO220% of mixture solution gross mass, glass fibre 20%, V2O520%, WO35%, TiO220%.
Embodiment 2
Repeat the operation of embodiment 1, the degree of depth and the width dimensions that are calender gear teeth described in step (1) change 15mm*25mm into, and rolling temperature is 30 DEG C.Mixture solution in step (2) contains the SiO230% of mixture solution gross mass, glass fibre 10%, V2O510%, WO310%, TiO230%; Described immersion, the time is 10 minutes, and mixture solution temperature is 70 DEG C.Said drying in step (3), the time is 30 hours, and baking temperature reaches 120 DEG C, and programming rate is 10 DEG C/min.In step (4), calcining heat is 450 DEG C, calcination time 48 hours, programming rate 2 DEG C/min.
Embodiment 3
Repeat the operation of embodiment 1, the degree of depth and the width dimensions that are calender gear teeth described in step (1) change 10mm*15mm into, and rolling temperature is 25 DEG C; Mixture solution in step (2) contains the SiO225% of mixture solution gross mass, glass fibre 15%, V2O515%, WO38%, TiO225%; Described immersion, the time is 8 minutes, and mixture solution temperature is 60 DEG C.Said drying in step (3), the time is 25 hours, and programming rate is 12 DEG C/min, and baking temperature reaches 110 DEG C.In step (4), calcining heat is 440 DEG C, calcination time 62 hours, programming rate 3 DEG C/min.
Embodiment 4
Repeat the operation of embodiment 2, just described in step (1), rolling temperature is 28 DEG C; Mixture solution in step (2) contains the SiO220% of mixture solution gross mass, glass fibre 18%, V2O517%, WO37%, TiO223%, the MoO31.5% also containing mixture solution gross mass, MnO20.8%, Fe2O31.5%.
Embodiment 5
Repeat the operation of embodiment 3, just described in step (1), rolling temperature is 18 DEG C; Mixture solution in step (2) contains the SiO220% of mixture solution gross mass, glass fibre 18%, V2O517%, WO37%, TiO223%, the MoO31.5% also containing mixture solution gross mass, MnO20.8%, Fe2O31.5%.
Embodiment 6
Repeat the operation of embodiment 2, wherein in step (1), said glass-ceramic fiber contains silica and alumina silicate; Said flat board is glass-ceramic fiberboard, and wherein containing silica, aluminium oxide, magnesia and calcium silicates, said adhesive is polyurethane adhesive; The tooth of calender gear in step (2), the size of its degree of depth and width changes 6mm*10mm into.In step (3), said drying changes into, and the time is 23 hours, and programming rate is 8 DEG C/min.
Above-mentioned exemplary embodiment to be described, to should not be construed as and limit the invention.Although disclosed multiple exemplary embodiment, those skilled in the art have been readily appreciated that various deformation possible in exemplary embodiment, and inherently do not depart from novel teachings of the present invention and advantage.Therefore, being included in as defined by the following claims in scope of the present invention of all these Amoebidas.Be understandable that, aforementioned is explanation to various exemplary embodiment, and be not the disclosed specific embodiments of restriction, the distortion of disclosed embodiment and other exemplary embodiment, object is contained in the scope of claims.
Claims (9)
1. a denitrating catalyst, its production process comprises the following steps successively:
(1) glass-ceramic procedure of fibre production catalyst substrate is used;
(2) catalyst substrate using mixture solution soaking step (1) to produce;
(3) catalyst substrate that step (2) was soaked is carried out drying;
(4) calcine;
Wherein, step (1) uses the cogged calender production catalyst substrate of band;
Mixture solution in step (2) contains the following component of mixture solution gross mass:
SiO
220-30%, glass fibre 10-20%, V
2o
510-20%, WO
35-10%, TiO
220-30%;
Described immersion, the time is 5-10 minute, and mixture solution temperature is 50-70 DEG C;
Calcining in described step (4), temperature is 420-450 DEG C, calcination time 48-72 hour.
2. denitrating catalyst according to claim 1, is characterized in that, described catalyst is SCR type catalyst (SCR).
3. denitrating catalyst according to claim 1, is characterized in that, in described step (1), said glass-ceramic fiber contains silica and silicate.
4. denitrating catalyst according to claim 1, is characterized in that, the MoO of said mixture solution also containing mixture solution gross mass in described step (2)
31.5%, MnO
20.8%, Fe
2o
31.5%.
5. denitrating catalyst according to claim 1, is characterized in that, the said drying of described step (3), and the time is 20-30 hour, and programming rate is no more than 15 DEG C/min, and baking temperature reaches 100-120 DEG C.
6. denitrating catalyst according to claim 1, is characterized in that, calcining in described step (4), programming rate is no more than 5 DEG C/min.
7. denitrating catalyst according to claim 1, is characterized in that, in described step (1), production catalyst substrate uses the cogged calender of band, and rolling temperature is 15-30 DEG C, is rolled, obtain ripple sheet material by two engaged gears; Between two-layer ripple sheet material, add one deck flat board, stick with glue agent and fix.
8. denitrating catalyst according to claim 7, is characterized in that, the gear calender used in described step (1), the degree of depth of gear teeth and width dimensions are 2mm*4mm-15mm*25mm.
9. denitrating catalyst according to claim 7, is characterized in that, described flat board is glass-ceramic fiberboard, and described adhesive is polyurethane adhesive.
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| CN201410419979.6A CN104148055B (en) | 2014-08-22 | 2014-08-22 | A kind of denitrating catalyst |
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| CN201410419979.6A CN104148055B (en) | 2014-08-22 | 2014-08-22 | A kind of denitrating catalyst |
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| CN104148055B true CN104148055B (en) | 2016-03-02 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815670A (en) * | 2015-04-28 | 2015-08-05 | 北京中南亚太环境科技发展有限公司 | Denitration catalyst and method for preparing same |
| CN104857969A (en) * | 2015-04-28 | 2015-08-26 | 北京中南亚太环境科技发展有限公司 | Denitration catalyst and preparation method |
| CN104857970A (en) * | 2015-04-28 | 2015-08-26 | 北京中南亚太环境科技发展有限公司 | Denitration catalyst and preparation method |
| CN107020079A (en) * | 2016-02-01 | 2017-08-08 | 北京亚太环保股份有限公司 | A kind of denitrating catalyst |
| CN107308930A (en) * | 2017-05-15 | 2017-11-03 | 盐城复华环保产业开发有限公司 | A kind of denitrating catalyst and preparation method thereof |
| CN110339711A (en) * | 2019-07-31 | 2019-10-18 | 湘潭南方环保科技开发有限公司 | A kind of biomass boiler SCR catalytic reduction method denitrating technique |
| CN111167471B (en) * | 2020-01-17 | 2020-10-02 | 浙江新和成股份有限公司 | A metal oxide-coated ceramic corrugated plate catalyst, its preparation and its application in the preparation of citral key intermediates |
| US10974225B1 (en) * | 2020-01-17 | 2021-04-13 | Zhejiang Nhu Company Ltd. | Metal oxide coated ceramic corrugated plate catalyst, preparation and application in preparation of key intermediates of citral |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416320A (en) * | 2011-11-23 | 2012-04-18 | 浙江德创环保科技有限公司 | Denitration catalyst |
| CN102513095A (en) * | 2011-11-23 | 2012-06-27 | 浙江大学 | Medium temperature denitration catalyst with carbon-based material loaded with cerium tungsten and preparation method of medium temperature denitration catalyst |
| CN103143396A (en) * | 2013-03-04 | 2013-06-12 | 郑州康宁特环保工程技术有限公司 | Honeycomb flue gas denitrification catalyst and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10340653B4 (en) * | 2003-09-03 | 2006-04-27 | Hte Ag The High Throughput Experimentation Company | Catalyst for the removal of pollutants from exhaust gases of lean-burn engines with ruthenium as active metal |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416320A (en) * | 2011-11-23 | 2012-04-18 | 浙江德创环保科技有限公司 | Denitration catalyst |
| CN102513095A (en) * | 2011-11-23 | 2012-06-27 | 浙江大学 | Medium temperature denitration catalyst with carbon-based material loaded with cerium tungsten and preparation method of medium temperature denitration catalyst |
| CN103143396A (en) * | 2013-03-04 | 2013-06-12 | 郑州康宁特环保工程技术有限公司 | Honeycomb flue gas denitrification catalyst and preparation method thereof |
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