CN107774243A - A kind of out of stock catalyst of environmentally friendly selectivity - Google Patents
A kind of out of stock catalyst of environmentally friendly selectivity Download PDFInfo
- Publication number
- CN107774243A CN107774243A CN201610732570.9A CN201610732570A CN107774243A CN 107774243 A CN107774243 A CN 107774243A CN 201610732570 A CN201610732570 A CN 201610732570A CN 107774243 A CN107774243 A CN 107774243A
- Authority
- CN
- China
- Prior art keywords
- catalyst
- environmentally friendly
- cleaning solution
- spray equipment
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
-
- 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
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
- B01J23/92—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
-
- 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
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
- B01J38/64—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using alkaline material; using salts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
Abstract
A kind of out of stock catalyst of environmentally friendly selectivity, belongs to selective denitrification catalyst device field.It is characterized in that including outlet flue, go back original system and major catalyst, also original system includes casing, cleaning solution tank body, woven hose, cleaning pump and spray equipment, casing is arranged on the outside of major catalyst, and spray equipment, the shower nozzle alignment major catalyst of spray equipment are set in casing internal.The present invention can clean the bulky grain pollutant carried in flue gas automatically, avoid, for a long time using dust stratification failure caused by floating ash accumulation, effectively keeping the oxidation catalyst filter ability of catalyst, making catalyst keep activity for a long time, increase the service life.
Description
Technical field
The invention belongs to selective denitrification catalyst device field, and in particular to a kind of to clean the denitration for floating ash automatically
Catalyst assembly.
Background technology
China's Air Pollutants discharge capacity is huge, and sulfur dioxide in 2010, discharged nitrous oxides total amount are respectively
2267.8 ten thousand tons, 2273.6 ten thousand tons, the first in the world is occupied, smoke-dust discharge capacity is 1446.1 ten thousand tons, is carried far beyond environment
Ability.Key area accounts for the area in 14 parts of the whole nation, has concentrated national nearly 48 parts of population, and it is total to generate 71 parts of economy
Amount, has consumed 52 parts of coal, has discharged 48 parts of sulfur dioxide, 51 parts of nitrogen oxides, 42 parts of smoke-dust and about 50 parts
Volatile organic matter, unit area pollutants emission intensity is the 2.9 to .6 times of average national level, and serious air is dirty
Dye has become the bottleneck for restricting social economic development of region.
Because denitrating catalyst refers to the catalyst applied in denitration system of power plant, containing a large amount of in the flue gas filtered
Particulate matter, easily cause to deposit on the surface of catalyst, easily occur dust stratification failure after permanent use, cause filtering reduction nitrogen oxygen
The ability of compound reduces, and finally scraps.
To solve the above problems, applicant have developed a kind of out of stock catalyst of environmentally friendly selectivity, can be periodically from clear
Floating ash is washed, extends the service life of catalyst assembly, it is economic and environment-friendly, it is suitable to promote.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of out of stock catalyst of environmentally friendly selectivity, can self-cleaning
Floating ash, keeps oxidation catalyst filter ability, increases the service life, economic and environment-friendly, suitable to promote.
The technical solution adopted for the present invention to solve the technical problems is：There is provided that a kind of environmentally friendly selectivity is out of stock to urge
Agent, it is characterised in that including major catalyst and base material, mass fraction shared by the specific composition and various composition of major catalyst is such as
Under：
Cerium oxide 10-15 parts；
Vanadic anhydride 5-10 parts；
Manganese oxide 5-8 parts；
Tungstic acid 3-5 parts.
Preferably, the base material is the last and porous float stone of nano-alumina powder, mass ratio 1:3.
Preferably, described major catalyst is honeycombed square modular array.
Preferably, in addition to module mounting frame, catalyst modular array is inserted in module mounting frame.
Preferably, in addition to outlet flue and original system is gone back, going back original system includes casing, cleaning solution tank body, woven hose, cleaning
Pump and spray equipment, casing are arranged on the outside of major catalyst, set spray equipment in casing internal, spray equipment passes through transfusion
Cleaning solution can be sprayed to main catalytic by pipe and wash pump understanding cleaning solution tank body, the shower nozzle of spray equipment in a manner of high-pressure water mist
Agent, clean the surface of major catalyst.
Preferably, the base material of the cleaning solution in the cleaning solution tank body is deionized water, and solute is sodium hydroxide；Cleaning solution
Concentration be 40wt%.
The beneficial effects of the invention are as follows：
The present invention can clean the bulky grain pollutant carried in flue gas automatically, and it is permanent using dust stratification caused by floating ash accumulation to avoid
Failure, the oxidation catalyst filter ability of catalyst is effectively kept, make catalyst keep activity for a long time, increase the service life.
Embodiment
The present invention is described in detail with reference to embodiment.
The out of stock catalyst of the environmentally friendly selectivity of kind of the present invention, it is characterised in that including major catalyst and base
Material, mass fraction shared by the specific composition and various composition of major catalyst are as follows：
Cerium oxide 10-15 parts；
Vanadic anhydride 5-10 parts；
Manganese oxide 5-8 parts；
Tungstic acid 3-5 parts.
The base material is the last and porous float stone of nano-alumina powder, mass ratio 1:3.
Described major catalyst is honeycombed square modular array.
Also include module mounting frame, catalyst modular array is inserted in module mounting frame.
Also include outlet flue and go back original system, going back original system includes casing, cleaning solution tank body, woven hose, cleaning pump and spray
Shower device, casing are arranged on the outside of major catalyst, set spray equipment in casing internal, spray equipment is by woven hose and clearly
Clean pump understands cleaning solution tank body, and the shower nozzle of spray equipment can spray to cleaning solution major catalyst in a manner of high-pressure water mist, clearly
The surface of clean major catalyst.
The base material of cleaning solution in the cleaning solution tank body is deionized water, and solute is sodium hydroxide；The concentration of cleaning solution
For 40wt%.
Embodiment two
In the present embodiment, mass fraction shared by the specific composition of major catalyst and various composition is as follows：
15 parts of cerium oxide；
10 parts of vanadic anhydride；
8 parts of manganese oxide；
5 parts of tungstic acid.
Remainder is identical with embodiment one, repeats no more.
Embodiment three
In the present embodiment, mass fraction shared by the specific composition of major catalyst and various composition is as follows：
13 parts of cerium oxide；
8 parts of vanadic anhydride；
6.5 parts of manganese oxide；
3.2 parts of tungstic acid.
Remainder is identical with embodiment one, repeats no more.
Above-mentioned embodiment is only the preferred embodiment of the invention, for those skilled in the art,
On the premise of operation principle of the present invention is met, any equivalent or similar replacement is each fallen within protection scope of the present invention.
Claims (6)
- A kind of 1. out of stock catalyst of environmentally friendly selectivity, it is characterised in that including major catalyst and base material, major catalyst Mass fraction shared by specific composition and various composition is as follows：Cerium oxide 10-15 parts；Vanadic anhydride 5-10 parts；Manganese oxide 5-8 parts；Tungstic acid 3-5 parts.
- 2. a kind of environmentally friendly out of stock catalyst of selectivity according to claim 1, it is characterised in that the base material is The last and porous float stone of nano-alumina powder, mass ratio 1:3.
- 3. a kind of environmentally friendly out of stock catalyst of selectivity according to claim 1, it is characterised in that described sponsors Agent is honeycombed square modular array.
- 4. a kind of environmentally friendly out of stock catalyst of selectivity according to claim 1, it is characterised in that also including module Mounting bracket, catalyst modular array is inserted in module mounting frame.
- 5. a kind of environmentally friendly out of stock catalyst of selectivity according to claim 1, it is characterised in that also including smoke Mouthful and go back original system, go back that original system includes casing, cleaning solution tank body, woven hose, cleaning pump and spray equipment, casing are arranged on master The outside of catalyst, spray equipment being set in casing internal, spray equipment understands cleaning solution tank body by woven hose and wash pump, Cleaning solution can be sprayed to major catalyst by the shower nozzle of spray equipment in a manner of high-pressure water mist, clean the surface of major catalyst.
- A kind of 6. environmentally friendly out of stock catalyst of selectivity according to claim 5, it is characterised in that the cleaning solution The base material of cleaning solution in tank body is deionized water, and solute is sodium hydroxide；The concentration of cleaning solution is 40wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610732570.9A CN107774243A (en) | 2016-08-27 | 2016-08-27 | A kind of out of stock catalyst of environmentally friendly selectivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610732570.9A CN107774243A (en) | 2016-08-27 | 2016-08-27 | A kind of out of stock catalyst of environmentally friendly selectivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107774243A true CN107774243A (en) | 2018-03-09 |
Family
ID=61438724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610732570.9A Pending CN107774243A (en) | 2016-08-27 | 2016-08-27 | A kind of out of stock catalyst of environmentally friendly selectivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107774243A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404966A (en) * | 2018-03-13 | 2018-08-17 | 山东海润环保科技有限公司 | A kind of coke oven flue gas low-temperature denitration catalyst and preparation method thereof |
| CN111389390A (en) * | 2020-03-22 | 2020-07-10 | 南京正隆顺达高分子材料有限公司 | Environment-friendly selective denitration catalyst |
-
2016
- 2016-08-27 CN CN201610732570.9A patent/CN107774243A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404966A (en) * | 2018-03-13 | 2018-08-17 | 山东海润环保科技有限公司 | A kind of coke oven flue gas low-temperature denitration catalyst and preparation method thereof |
| CN108404966B (en) * | 2018-03-13 | 2021-12-03 | 淄博恒亿化工科技有限公司 | Coke oven flue gas low-temperature denitration catalyst and preparation method thereof |
| CN111389390A (en) * | 2020-03-22 | 2020-07-10 | 南京正隆顺达高分子材料有限公司 | Environment-friendly selective denitration catalyst |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103830986B (en) | Stationary diesel engine system integrated dedusting purifier and purification method | |
| CN102512927B (en) | Integrated flue gas desulfurizing and denitrating purification system and purification technology for same | |
| CN103055644B (en) | Wet-type electric dust removal system after wet desulphurization | |
| CN203002163U (en) | Wet-process desulphurization wet type electrostatic precipitation system | |
| CN108421379B (en) | Desulfurization and denitrification dedusting tower omentum splashing device and desulfurization and denitrification dedusting tower | |
| CN210613307U (en) | Flue gas absorption system based on spiral sprays | |
| CN107774243A (en) | A kind of out of stock catalyst of environmentally friendly selectivity | |
| CN104248899B (en) | A kind of method of administering haze | |
| CN209005410U (en) | A kind of marine exhaust desulphurization denitration integrated purification device | |
| CN204911197U (en) | A desulfurizing tower | |
| CN105536494A (en) | Single-tower pH double-region double-circulation desulfurization process | |
| CN206942854U (en) | Tail-gas purifier of vehicle | |
| CN101927125A (en) | Dual-circulation absorption tower | |
| CN204816113U (en) | Waste gas purifier | |
| CN208982141U (en) | A kind of automobile exhaust gas purifying installation free of cleaning | |
| CN210114978U (en) | Novel malodorous gas purification device | |
| CN206315597U (en) | A kind of air purifier | |
| CN206577584U (en) | Smoke eliminator with aeration dome | |
| CN207667418U (en) | A kind of desulphurization denitration equipment with cleaning function | |
| CN208066113U (en) | A kind of desulphurization denitration synergistic effect system | |
| CN208161280U (en) | Waste gas cleaning system | |
| CN107774125A (en) | A kind of out of stock catalyst of selectivity that can be recycled online | |
| CN201543372U (en) | Filler-free hollow tower spraying type ammonia process smoke desulfurizer | |
| CN219290952U (en) | Gas circulation atomizing spray tail gas treatment device | |
| CN205586789U (en) | Coal fired power plant boiler combustion flue gas emission compliance processing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180309 |