CN105889947A - Novel boiler non-nitrate combustion system - Google Patents
Novel boiler non-nitrate combustion system Download PDFInfo
- Publication number
- CN105889947A CN105889947A CN201610375848.1A CN201610375848A CN105889947A CN 105889947 A CN105889947 A CN 105889947A CN 201610375848 A CN201610375848 A CN 201610375848A CN 105889947 A CN105889947 A CN 105889947A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- boiler
- gas
- oxygen
- combustion system
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/26—Details
- F23N5/265—Details using electronic means
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/32—Direct CO2 mitigation
Abstract
The invention discloses a novel boiler non-nitrate combustion system. The novel boiler non-nitrate combustion system comprises at least one liquid oxygen storage tank and at least one carbon dioxide storage tank, wherein the liquid oxygen storage tank is connected with a liquid oxygen vaporizer; the liquid oxygen vaporizer is connected with a gas matching device through an oxygen pressure adjusting device; the carbon dioxide storage tank is connected with a carbon dioxide vaporizer; the carbon dioxide vaporizer is connected with a carbon dioxide buffer tank through a carbon dioxide pressure adjusting device; the gas matching device is connected with a combustion device; the combustion device is connected with a boiler tail gas cooler; and the boiler tail gas cooler is connected with a tail gas circulation fan and a tail gas treatment device. The novel boiler non-nitrate combustion system has the beneficial effects that tail gas nitrogen oxide combusted by a boiler reaches the standard, and treatment of nitrogen oxide is not needed; carbon dioxide in tail gas can be recycled; the concentration of oxygen is controlled to control combustion to be in a needed state, and the combustion efficiency is higher; and applicability is high, a non-nitrate combustion and carbon dioxide recycling system is added without large-scale transformation of an existing fuel oil and gas boiler, and the investment cost is low.
Description
Technical field
The present invention relates to technical field of environment protection equipment, the one especially relating to dust disposal and VOCs treatment is novel
Boiler is without nitre combustion system.
Background technology
Air pollution problems inherent increases the weight of day by day in recent years, and China is as a developing power, when the most considerably long one section
In will face the severe situation that air pollution constantly increases the weight of.In commercial production, a lot of industries are required for carrying out at high-temperature heating
Reason, discharges substantial amounts of waste gas, is all mingled with harmful impurity in these waste gas in heating process；The polishing of industrial products, former material
Expect the dust of generations such as crush/milling.Not only human body is caused the biggest harm, also atmospheric environment can be polluted, not have
Reach the discharge standard of country, if Around environment can be produced serious in air by organic exhaust gas of leaving, dust emission
Pollution, it is therefore necessary to organic exhaust gas, the dust produced in production process is effectively processed, suitable to reach
Emission request after enter again in air.
The combustion system that boiler is conventional at present is made up of air-fuel, has the oxygen of 21% to participate in combustion-supporting in air,
The nitrogen of 78% is not involved in burning, and the most substantial amounts of nitrogen by meaningless heating, at high temperature enters air, causes substantial amounts of heat
Amount loss, nitrogen the most also generates NOX gas with oxygen reaction simultaneously, enters air and easily forms acid rain, endangers earth's surface
Vegeto-animal normal existence and life, cause environmental pollution.Tradition method of denitration is that reacted flue gas is introduced denitrating tower, uses
Ammonia or ammonia reduce the NOX in flue gas, enter air after generating nitrogen and water, and this process also results in substantial amounts of heat and damages
Losing, due to the requirement of chemical reaction to be met, denitrating tower cost of investment is the biggest.
Summary of the invention
The problem to be solved in the present invention is to provide that a kind of simple in construction, cost of investment be low, energy-conserving and environment-protective, efficiency of combustion are high,
Nitrogen oxide emission low and can to carbon dioxide recycling New-type boiler without nitre combustion system.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of New-type boiler is without nitre combustion system, bag
Having included at least one liquid oxygen storage tank and at least one carbon dioxide storage tank, described liquid oxygen storage tank connects liquid oxygen carburetor, described
Liquid oxygen carburetor connects aerobic controlled atmosphere pressure device, and described oxygen regulator connects gas mixing ratio device, described carbon dioxide
Storage tank connects carbon dioxide carburettors, and described carbon dioxide carburettors connects carbon dioxide regulator, described titanium dioxide
Carbon regulator connects has carbon dioxide buffer tank, described carbon dioxide buffer tank to be also connected with described gas mixing ratio device, institute
The mixed gas outlet connection stating gas mixing ratio device has burner, the side of described burner to be provided with fuel supply dress
Putting, the gas outlet of described burner connects has boiler exhaust gas cooler, described boiler exhaust gas cooler to be simultaneously connected with tail gas
Circulating fan and exhaust gas processing device, described circulation of tail gas blower fan is also connected with described carbon dioxide buffer tank.
Preferably, above-mentioned a kind of New-type boiler includes gas without nitre combustion system, wherein said gas mixing ratio device
Proportioner and be separately positioned on the oxygen intake on described gas proportioning device and carbon dioxide entrance, described oxygen intake and institute
Stating oxygen regulator to connect, described carbon dioxide entrance is connected with described carbon dioxide buffer tank.
Preferably, above-mentioned a kind of New-type boiler is without nitre combustion system, wherein said oxygen regulator and described oxygen
Gas flow meter it is provided with between entrance.
Preferably, above-mentioned a kind of New-type boiler is without nitre combustion system, wherein said gas proportioning device and described burning dress
The 3rd air gauge it is provided with between putting.
Preferably, above-mentioned a kind of New-type boiler includes boiler or kiln without nitre combustion system, wherein said burner
Stove.
Preferably, above-mentioned a kind of New-type boiler is without nitre combustion system, wherein said fuel supply device and described boiler
Or between kiln, it is provided with switching valve and check valve, it is provided with thermometer in described boiler or kiln.
Preferably, above-mentioned a kind of New-type boiler is without nitre combustion system, and wherein said liquid oxygen storage tank replaces to oxygen and produces
Device.
Preferably, above-mentioned a kind of New-type boiler includes pressure regulation without nitre combustion system, wherein said oxygen regulator
Valve and be separately positioned on the first air gauge and second air gauge at two ends, described pressure regulator valve left and right.
Preferably, above-mentioned a kind of New-type boiler is without nitre combustion system, and wherein said exhaust gas processing device connects dioxy
Change carbon retracting device.
The present invention has the advantage that and provides the benefit that:
1, the tail gas nitrogen oxide after boiler combustion is the most up to standard, it is not necessary to carry out the process of nitrogen oxides again, reduces substantial amounts of
Vent gas treatment cost, is more beneficial for energy-conserving and environment-protective.
2, the carbon dioxide in tail gas is recycled, it is not necessary to additionally increase carbon dioxide air feed equipment, not only reduce two
The discharge of carbonoxide, and save the cost producing carbon dioxide.
3, the concentration controlling oxygen makes Combustion System in required state, thus can select difference according to different fuel
Oxygen concentration, it is possible to make the efficiency of combustion of fuel higher.
4, the suitability is strong, and existing fuel oil can increase without nitre burning and titanium dioxide without large-scale redevelopment with gas fired-boiler
Carbon recovery system, cost of investment is low.
5, the flue gas more than 95% of discharge is carbon dioxide and water vapour, can directly go up carbon dioxide recovering apparatus, as returned
Receive carbon dioxide, most oxygen consuming cost can be offset.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention；
Fig. 2 is the structural representation of burner in the present invention；
Fig. 3 is the structural representation of gas mixing ratio device in the present invention；
Fig. 4 is the structural representation of oxygen regulator in the present invention.
In figure: 1, liquid oxygen storage tank 2, carbon dioxide storage tank 3, liquid oxygen carburetor
4, carbon dioxide carburettors 5, oxygen regulator 6, carbon dioxide regulator
7, carbon dioxide buffer tank 8, gas mixing ratio device 9, burner
10, boiler exhaust gas cooler 11, circulation of tail gas blower fan 12, fuel supply device
13, exhaust gas processing device 14, cooling water inlet 15, coolant outlet
51, the first air gauge 52, pressure regulator valve the 53, second air gauge
81, gas proportioning device 82, oxygen intake 83, carbon dioxide entrance
84, mixed gas outlet 85, gas flow meter the 86, the 3rd air gauge
91, check valve 92, switching valve 93, boiler
94, thermometer
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of New-type boiler, without nitre combustion system, includes liquid oxygen storage tank 1 He
One carbon dioxide storage tank 2, during use, liquid oxygen storage tank 1 can replace to oxygen device for making, and liquid oxygen storage tank 1 connects liquid oxygen vapour
Changing device 3, liquid oxygen carburetor 3 connects aerobic controlled atmosphere pressure device 5, and oxygen regulator 5 includes pressure regulator valve 52 and is respectively provided with
At first air gauge 51 and second air gauge 53 at pressure regulator valve about 52 two ends, oxygen regulator 5 connects has gas mixing ratio to fill
Putting 8, gas mixing ratio device 8 includes gas proportioning device 81 and oxygen intake 82 He being separately positioned on gas proportioning device 81
Carbon dioxide entrance 83, oxygen intake 82 is connected with oxygen regulator 5, sets between oxygen regulator 5 and oxygen intake 82
Being equipped with gas flow meter 85, carbon dioxide storage tank 2 connects carbon dioxide carburettors 4, and carbon dioxide carburettors 4 connects dioxy
Changing carbon regulator 6, carbon dioxide regulator 6 connects carbon dioxide buffer tank 7, carbon dioxide entrance 83 and carbon dioxide
Surge tank 7 connects, and the mixed gas outlet 84 of gas mixing ratio device 8 connects burner 9, gas proportioning device 81 and burning dress
Putting and be provided with the 3rd air gauge 86 between 9, burner 9 includes boiler 93 or kiln, and the side of burner 9 is provided with combustion
Material feeding mechanism 12, is provided with switching valve 92 and check valve 93, boiler 93 between fuel supply device 12 and boiler 93 or kiln
Or in kiln, it is provided with thermometer 94, the temperature in boiler 93, giving vent to anger of burner 9 can be monitored at any time by thermometer 94
Mouth connects boiler exhaust gas cooler 10, and boiler exhaust gas cooler 10 is respectively arranged with cooling water inlet 14 and coolant outlet
15, boiler exhaust gas cooler 10 has been simultaneously connected with circulation of tail gas blower fan 11 and exhaust gas processing device 13, and circulation of tail gas blower fan 11 is also
Being connected with carbon dioxide buffer tank 7, in order to cost-effective, exhaust gas processing device 13 can also connect has carbon dioxide recovery to fill
Put.
Use the carbon dioxide gaseous mixture with oxygen instead of air as burning rate accelerator for boiler, the liquid in carbon dioxide storage tank 2
Body carbon dioxide vaporizes through carbon dioxide carburettors 4 and sends into carbon dioxide buffer tank again after carbon dioxide regulator 6 blood pressure lowering
7, the carbon dioxide entrance 83 being then sent on gas proportioning device 81；Liquid oxygen in liquid oxygen storage tank 1 gasifies also through liquid oxygen carburetor 4
The oxygen intake on gas proportioning device 81 is accessed after oxygen regulator 5 blood pressure lowering；Gas proportioning device 81 automatic control and adjustment is mixed
Closing oxygen and the ratio of carbon dioxide in gas, the gas that proportioning is good is sent into the air intake of boiler 9, is controlled by gas proportioning device 81
The ratio of oxygen and carbon dioxide in combustion adjuvant thus control the fired state of boiler 9, owing to using the mixed of carbon dioxide and oxygen
Close gas instead of air, the most nitrogenous in combustion adjuvant, burning will not produce nitrogen oxides due to approach, according to fuel not
Nitrogenous or nitrogen content is less, so that it may to realize the tail gas nitrogen oxide without nitre burning or discharge the most up to standard；The offgas outlet warp of boiler 9
Boiler exhaust gas cooler 10 cools down and reclaims point two-way after tail gas heat quantity, and a road goes follow-up vent gas treatment to remove dust etc., another
Carbon dioxide buffer tank 7 is sent into through circulation of tail gas blower fan 11 in road, recycles the carbon dioxide in flue gas, so this system will not
Consuming too much carbon dioxide, carbon dioxide only consumes a bit when starting, and use cost is relatively low.
Above one embodiment of the present of invention is described in detail, but described content has been only the preferable enforcement of the present invention
Example, it is impossible to be considered the practical range for limiting the present invention.All impartial changes made according to the present patent application scope and improvement
Deng, within all should still belonging to the patent covering scope of the present invention.
Claims (9)
1. a New-type boiler is without nitre combustion system, it is characterised in that: include at least one liquid oxygen storage tank (1) and at least one
Carbon dioxide storage tank (2), described liquid oxygen storage tank (1) connects liquid oxygen carburetor (3), and described liquid oxygen carburetor (3) connects aerobic
Controlled atmosphere pressure device (5), described oxygen regulator (5) connects gas mixing ratio device (8), and described carbon dioxide storage tank (2) is even
Being connected to carbon dioxide carburettors (4), described carbon dioxide carburettors (4) connects carbon dioxide regulator (6), described dioxy
Change carbon regulator (6) connect have carbon dioxide buffer tank (7), described carbon dioxide buffer tank (7) also with described gas mixing ratio
Device (8) connects, and the mixed gas outlet (84) of described gas mixing ratio device (8) connects burner (9), described burning dress
The side putting (9) is provided with fuel supply device (12), and the gas outlet of described burner (9) connects boiler exhaust gas cooler
(10), described boiler exhaust gas cooler (10) has been simultaneously connected with circulation of tail gas blower fan (11) and exhaust gas processing device (13), described
Circulation of tail gas blower fan (11) is also connected with described carbon dioxide buffer tank (7).
A kind of New-type boiler the most according to claim 1 is without nitre combustion system, it is characterised in that: described gas mixing ratio device
(8) gas proportioning device (81) and the oxygen intake (82) being separately positioned on described gas proportioning device (81) and dioxy are included
Change carbon entrance (83), described oxygen intake (82) is connected with described oxygen regulator (5), described carbon dioxide entrance (83) and
Described carbon dioxide buffer tank (7) connects.
A kind of New-type boiler the most according to claim 2 is without nitre combustion system, it is characterised in that: described oxygen regulator
And between described oxygen intake (82), be provided with gas flow meter (85) (5).
A kind of New-type boiler the most according to claim 2 is without nitre combustion system, it is characterised in that: described gas proportioning device
And between described burner (9), be provided with the 3rd air gauge (86) (81).
A kind of New-type boiler the most according to claim 1 is without nitre combustion system, it is characterised in that: described burner (9)
Include boiler (93) or kiln.
A kind of New-type boiler the most according to claim 5 is without nitre combustion system, it is characterised in that: described fuel supply device
(12) switching valve (92) and check valve (91) and it are provided with between described boiler (93) or kiln, in described boiler (93) or kiln
It is provided with thermometer (94).
A kind of New-type boiler the most according to claim 1 is without nitre combustion system, it is characterised in that: described liquid oxygen storage tank (1)
Replace to oxygen device for making.
A kind of New-type boiler the most according to claim 1 is without nitre combustion system, it is characterised in that: described oxygen regulator
(5) include pressure regulator valve (52) and be separately positioned on first air gauge (51) and second at described pressure regulator valve (52) two ends, left and right
Air gauge (53).
A kind of New-type boiler the most according to claim 1 is without nitre combustion system, it is characterised in that: described exhaust gas processing device
(13) connection has carbon dioxide recovering apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375848.1A CN105889947A (en) | 2016-05-30 | 2016-05-30 | Novel boiler non-nitrate combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375848.1A CN105889947A (en) | 2016-05-30 | 2016-05-30 | Novel boiler non-nitrate combustion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105889947A true CN105889947A (en) | 2016-08-24 |
Family
ID=56709787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610375848.1A Pending CN105889947A (en) | 2016-05-30 | 2016-05-30 | Novel boiler non-nitrate combustion system |
Country Status (1)
| Country | Link |
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| CN (1) | CN105889947A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708137A (en) * | 2019-01-29 | 2019-05-03 | 北京云水浩瑞环境科技有限公司 | Utilize the system and method for pyrolysis gas |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101336353A (en) * | 2005-11-28 | 2008-12-31 | 电源开发株式会社 | Disposal method and equipment for exhaust gas from combustion system |
| US20090249988A1 (en) * | 2008-04-07 | 2009-10-08 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Apparatus and Process for Oxycombustion with CO2 Capture |
| CN101874181A (en) * | 2007-11-26 | 2010-10-27 | 乔治洛德方法研究和开发液化空气有限公司 | Adapting of an oxy-combustion plant to energy availability and to the amount of co2 to be trapped |
| CN204494467U (en) * | 2015-03-12 | 2015-07-22 | 衡水合丰化工设备制造有限公司 | A kind of novel energy-saving environment-friendly flame furnace system |
| CN205782967U (en) * | 2016-05-30 | 2016-12-07 | 广东上典环境保护工程有限公司 | A kind of New-type boiler is without nitre combustion system |
-
2016
- 2016-05-30 CN CN201610375848.1A patent/CN105889947A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101336353A (en) * | 2005-11-28 | 2008-12-31 | 电源开发株式会社 | Disposal method and equipment for exhaust gas from combustion system |
| CN101874181A (en) * | 2007-11-26 | 2010-10-27 | 乔治洛德方法研究和开发液化空气有限公司 | Adapting of an oxy-combustion plant to energy availability and to the amount of co2 to be trapped |
| US20090249988A1 (en) * | 2008-04-07 | 2009-10-08 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Apparatus and Process for Oxycombustion with CO2 Capture |
| CN204494467U (en) * | 2015-03-12 | 2015-07-22 | 衡水合丰化工设备制造有限公司 | A kind of novel energy-saving environment-friendly flame furnace system |
| CN205782967U (en) * | 2016-05-30 | 2016-12-07 | 广东上典环境保护工程有限公司 | A kind of New-type boiler is without nitre combustion system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708137A (en) * | 2019-01-29 | 2019-05-03 | 北京云水浩瑞环境科技有限公司 | Utilize the system and method for pyrolysis gas |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20160824 |