CN105999992A - Desulfurization, denitration and denitrification flue gas treatment technology of coal combustion furnace - Google Patents
Desulfurization, denitration and denitrification flue gas treatment technology of coal combustion furnace Download PDFInfo
- Publication number
- CN105999992A CN105999992A CN201610518032.XA CN201610518032A CN105999992A CN 105999992 A CN105999992 A CN 105999992A CN 201610518032 A CN201610518032 A CN 201610518032A CN 105999992 A CN105999992 A CN 105999992A
- Authority
- CN
- China
- Prior art keywords
- coal
- flue gas
- denitration
- incinerators
- combustion
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention relates to a desulfurization, denitration and denitrification flue gas treatment technology of a coal combustion furnace. The desulfurization, denitration and denitrification flue gas treatment technology comprises the following steps: when coal is used for primary combustion, adding the coal mixed with an assistant in the coal combustion furnace, and continuously combusting by keeping the temperature in the coal combustion furnace not less than 350 DEG C, wherein sulfur dioxide and nitride which are generated during coal combustion are attached to coal cinder, and by taking the total mass of the coal as the standard, the assistant is prepared by mixing the following raw materials in percentage by weight: 0.3 to 0.7 percent of plant ash, 1.5 to 2.0 percent of orange meal, 0.1 to 0.5 percent of herba menthae, 2.5 to 3.0 percent of activated carbon and 0.5 to 0.8 percent of iron catalyst; then pumping residue flue gas after combustion into a cooling chamber, cooling the flue gas to be below 100 DEG C; introducing the cooled flue gas from the bottom part of a purification tank, wherein the purification tank is provided with an activated carbon filter layer and a gypsum filter layer from bottom to top in sequence, and the contents of nitrogen and sulfur in effluent gas can meet the gas emission environment protection requirements. The desulfurization, denitration and denitrification flue gas treatment technology disclosed by the invention is reasonable, simple and convenient in design and stable in effect.
Description
Technical field
The present invention relates to industrial combustion purifying smoke technique, be specifically related to a kind of coal incinerators desulphurization denitration denitrogenation cigarette
Gas disposal technique.
Background technology
China is coal production state maximum in the world and country of consumption, and coal accounts for the 75% of China's demand for energy
Left and right, the sulfur of coal burning generation, chlorine, nitrogen oxides are the primary pollution source of atmospheric pollution, and it is except being formed
Acid rain, destroys ecological environment and can also form photochemical fog, endanger human health.Large-sized station boiler and numerous
Industrial Boiler be primary discharge source.Certain research is had both at home and abroad, due to existing for desulfurization removing nitric denitration dust collecting
The dry treatment of three kinds of gases typically uses active carbon adsorption, but the wretched insufficiency of this way is adsorbance
Little, differ greatly from discharging standards, effect is unstable, and cost is high, and most medium-sized and small enterprises undertake not
Rise and substitute required expense frequently.And these three master gas all uses single taking off singly to control, and the most disposably effects a radical cure
Equipment, effect is undesirable.
Summary of the invention
It is an object of the invention to provide a kind of coal incinerators desulphurization denitration denitrogenation flue gas treating process, this technological design
Reasonable simplicity, effect stability.
In order to achieve the above object, the present invention adopts the following technical scheme that
The invention provides a kind of coal incinerators desulphurization denitration denitrogenation flue gas treating process, comprise the following steps:
(1) burning in coal incinerators: when using coal primary combustion, add mixed with helping in coal burning stove
The coal of agent, keeps coal combustion in-furnace temperature to be not less than sustained combustion at 350 DEG C, produced during coal burning
Sulfur dioxide and nitride adsorb on cinder；Described auxiliary agent is mixed by the raw material of following weight portion: with coal
On the basis of the gross mass of charcoal, plant ash 3-7 ‰, orange meal 15-20 ‰, Herba Menthae 1-5 ‰, activated carbon 25-30 ‰
With ferrum catalyst 5-8 ‰；
(2) cooling in cooling chamber: by the flue gas suction of step (1) remaining after combustion to cooling chamber, by cigarette
Air cooling is to less than 100 DEG C；
(3) purify in purification pot: the flue gas after step (2) being cooled down is passed through from the bottom of purification pot, purify
By upper and lower two filter layers in tank, it is followed successively by activated carbon filter layer from the bottom up of purification pot and Gypsum Fibrosum filters
Layer, expellant gas nitrogen, sulfur content all reach gas discharge-ring guaranteed request.
According to above-mentioned coal incinerators desulphurization denitration denitrogenation flue gas treating process, auxiliary agent described in step (1) by
The raw material of following weight portion mixes: on the basis of the gross mass of coal, plant ash 5 ‰, orange meal 18 ‰,
Herba Menthae 3 ‰, activated carbon 28 ‰ and ferrum catalyst 7 ‰.
According to above-mentioned coal incinerators desulphurization denitration denitrogenation flue gas treating process, in described auxiliary agent, Herba Menthae is mentha leave
Or Herba Menthae bar stem.
According to above-mentioned coal incinerators desulphurization denitration denitrogenation flue gas treating process, coal described in step (1) fires
During burning, produced sulfur dioxide and nitride adsorb on cinder, and adsorption effect is 85～92%；Step (3)
Middle flue gas is after the bottom of purification pot is passed through, and in purification pot, total adsorption effect of two filter layers is 8～15%.
According to above-mentioned coal incinerators desulphurization denitration denitrogenation flue gas treating process, described coal uses GB coal.
Compared with prior art, the positive beneficial effect of the present invention:
Coal incinerators desulphurization denitration denitrogenation flue gas treating process of the present invention, the burning in coal incinerators, coal burning
Time produced sulfur dioxide and nitride adsorb on cinder, adsorption effect is 85～92%；Remaining after combustion
Flue gas suction in cooling chamber, flue gas is cooled to less than 100 DEG C, the flue gas after cooling is from the end of purification pot
After portion is passed through, in purification pot, total adsorption effect of two filter layers is 8～15%, removes oxynitride and nitre
Content, gas meet the requirement of environmental protection, and this technique do not results in secondary pollution.
Detailed description of the invention
Below in conjunction with embodiment to further description of the present invention, but it is not limiting as present disclosure.
Embodiment:
A kind of coal incinerators desulphurization denitration denitrogenation flue gas treating process, it is characterised in that comprise the following steps:
(1) burning in coal incinerators: when using coal primary combustion, add mixed with helping in coal burning stove
The coal of agent, keeps coal combustion in-furnace temperature to be not less than sustained combustion at 350 DEG C, produced during coal burning
Sulfur dioxide and nitride adsorb on cinder, and adsorption effect is 85～92%；Described auxiliary agent is by following weight portion
Raw material mix: on the basis of the gross mass of coal, plant ash 3-7 ‰, orange meal 15-20 ‰, thin
Lotus 1-5 ‰, activated carbon 25-30 ‰ and ferrum catalyst 5-8 ‰；
(2) cooling in cooling chamber: by the flue gas suction of step (1) remaining after combustion to cooling chamber, by cigarette
Air cooling is to less than 100 DEG C；
(3) purify in purification pot: the flue gas after step (2) being cooled down is passed through from the bottom of purification pot, purify
By upper and lower two filter layers in tank, it is followed successively by activated carbon filter layer from the bottom up of purification pot and Gypsum Fibrosum filters
Layer, flue gas is after the bottom of purification pot is passed through, and in purification pot, total adsorption effect of two filter layers is 8～15%,
Expellant gas nitrogen, sulfur content all reach gas discharge-ring guaranteed request.
According to above-mentioned coal incinerators desulphurization denitration denitrogenation flue gas treating process, described in step (1), auxiliary agent is excellent
Choosing is mixed by the raw material of following weight portion: on the basis of the gross mass of coal, plant ash 5 ‰, orange meal
18 ‰, Herba Menthae 3 ‰, activated carbon 28 ‰ and ferrum catalyst 7 ‰, wherein Herba Menthae is mentha leave or Herba Menthae bar stem.
Claims (5)
1. coal incinerators desulphurization denitration denitrogenation flue gas treating process, it is characterised in that comprise the following steps:
(1) burning in coal incinerators: when using coal primary combustion, add in coal burning stove
Enter the coal mixed with auxiliary agent, keep coal combustion in-furnace temperature to be not less than sustained combustion at 350 DEG C,
During coal burning, produced sulfur dioxide and nitride adsorb on cinder；Described auxiliary agent is by such as
The raw material of lower weight portion mixes: on the basis of the gross mass of coal, plant ash 3-7 ‰,
Orange meal 15-20 ‰, Herba Menthae 1-5 ‰, activated carbon 25-30 ‰ and ferrum catalyst 5-8 ‰；
(2) cooling in cooling chamber: by the flue gas suction of step (1) remaining after combustion to cooling chamber,
Flue gas is cooled to less than 100 DEG C；
(3) purify in purification pot: the flue gas after step (2) being cooled down is passed through from the bottom of purification pot,
By upper and lower two filter layers in purification pot, it is followed successively by activated carbon from the bottom up of purification pot and filters
Layer and Gypsum Fibrosum filter course, expellant gas nitrogen, sulfur content all reach gas discharge-ring guaranteed request.
Coal incinerators desulphurization denitration denitrogenation flue gas treating process the most according to claim 1, it is special
Levy and be: described in step (1), auxiliary agent is mixed by the raw material of following weight portion: with coal
On the basis of the gross mass of charcoal, plant ash 5 ‰, orange meal 18 ‰, Herba Menthae 3 ‰, activated carbon 28 ‰
With ferrum catalyst 7 ‰.
Coal incinerators desulphurization denitration denitrogenation flue gas treating process the most according to claim 1, it is special
Levy and be: in described auxiliary agent, Herba Menthae is mentha leave or Herba Menthae bar stem.
Coal incinerators desulphurization denitration denitrogenation flue gas treating process the most according to claim 1, it is special
Levy and be: described in step (1), during coal burning, produced sulfur dioxide and nitride are inhaled
Being attached on cinder, adsorption effect is 85～92%；In step (3), flue gas is from the bottom of purification pot
After being passed through, in purification pot, total adsorption effect of two filter layers is 8～15%.
Coal incinerators desulphurization denitration denitrogenation flue gas treating process the most according to claim 1, it is special
Levy and be: described coal uses GB coal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518032.XA CN105999992A (en) | 2016-06-30 | 2016-06-30 | Desulfurization, denitration and denitrification flue gas treatment technology of coal combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518032.XA CN105999992A (en) | 2016-06-30 | 2016-06-30 | Desulfurization, denitration and denitrification flue gas treatment technology of coal combustion furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105999992A true CN105999992A (en) | 2016-10-12 |
Family
ID=57107081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610518032.XA Pending CN105999992A (en) | 2016-06-30 | 2016-06-30 | Desulfurization, denitration and denitrification flue gas treatment technology of coal combustion furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105999992A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111019727A (en) * | 2018-10-09 | 2020-04-17 | 南京雪郎化工科技有限公司 | Method for oxidation desulfurization of liquefied petroleum gas |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202146717U (en) * | 2011-06-29 | 2012-02-22 | 山东大学 | Activated coke smoke comprehensive purification system for pulverized coal preparation in coal fired power plants |
| CN103657368A (en) * | 2013-12-30 | 2014-03-26 | 昆明理工大学 | Dry-method flue gas purification method and dry-method flue gas purification device of simultaneously desulfurizing, denitrating and removing mercury |
| CN205252864U (en) * | 2015-12-23 | 2016-05-25 | 银梅 | Multipurpose SOx/NOx control dust remover |
-
2016
- 2016-06-30 CN CN201610518032.XA patent/CN105999992A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202146717U (en) * | 2011-06-29 | 2012-02-22 | 山东大学 | Activated coke smoke comprehensive purification system for pulverized coal preparation in coal fired power plants |
| CN103657368A (en) * | 2013-12-30 | 2014-03-26 | 昆明理工大学 | Dry-method flue gas purification method and dry-method flue gas purification device of simultaneously desulfurizing, denitrating and removing mercury |
| CN205252864U (en) * | 2015-12-23 | 2016-05-25 | 银梅 | Multipurpose SOx/NOx control dust remover |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111019727A (en) * | 2018-10-09 | 2020-04-17 | 南京雪郎化工科技有限公司 | Method for oxidation desulfurization of liquefied petroleum gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101869800B (en) | Method and system for purifying flue gas generated by incinerating waste materials | |
| CN104359113B (en) | A kind of waste gas, liquid waste incineration system and method | |
| CN104211274A (en) | Sludge reduction and recycling treatment device and sludge treatment method | |
| CN110513693B (en) | Sludge incineration method | |
| CN213872722U (en) | Hazardous waste treatment system | |
| CN105199809B (en) | A kind of fire coal sulphur-fixing agent and preparation method thereof | |
| CN102889602A (en) | High-concentration salt bearing liquid waste incinerator and high-concentration salt bearing liquid waste treatment method | |
| CN112898999A (en) | Catalytic pyrolysis-oxidation multi-stage furnace treatment integrated device and method for waste salt containing organic pollutants | |
| CN105176618B (en) | A kind of Filter Tuber For Clean Coal and its production method | |
| CN202660564U (en) | Device for incinerating high concentration salt-contained waste liquid | |
| CN102303957B (en) | Method and system for treating waste gas by combining dual-effect reactor and cement production | |
| CN204254633U (en) | A kind of waste gas, liquid waste incineration system | |
| CN103900076A (en) | Ultralow-emission power generation system using low-calorific-value fuel for combustion | |
| CN108970328A (en) | A kind of device and technique handling chemical industry high-sulfur waste gas recovery sulphur | |
| CN108955278A (en) | A kind of Purification Processes for Charcoal Anode of Al Reduction Cell processing method | |
| CN206131008U (en) | Useless dioxin processing system who burns burning furnace of danger | |
| CN105999992A (en) | Desulfurization, denitration and denitrification flue gas treatment technology of coal combustion furnace | |
| CN102297433A (en) | Method for removing dioxin from fume of garbage incinerator | |
| CN204939396U (en) | A kind of system processing Biohazard Waste | |
| CN106482131A (en) | A kind of wastewater treatment field waste gas processing method | |
| CN108126505A (en) | A kind of processing method of yellow phosphoric tail gas | |
| CN102086485B (en) | Comprehensive utilization method for vanadium extraction and power generation by using stone coal burned by circulating fluidized bed boiler | |
| CN101307905B (en) | Carbon product calcining furnace flue gas cleaning treatment process | |
| CN202884933U (en) | Garbage incinerator | |
| CN102643705A (en) | Coal combustion-supporting hydrogel as well as preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |
|
| RJ01 | Rejection of invention patent application after publication |