CN205825096U - A kind of combustion system without nitre that carbon dioxide can be reclaimed - Google Patents
A kind of combustion system without nitre that carbon dioxide can be reclaimed Download PDFInfo
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- CN205825096U CN205825096U CN201620512166.6U CN201620512166U CN205825096U CN 205825096 U CN205825096 U CN 205825096U CN 201620512166 U CN201620512166 U CN 201620512166U CN 205825096 U CN205825096 U CN 205825096U
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- China
- Prior art keywords
- carbon dioxide
- gas
- nitre
- oxygen
- combustion system
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Abstract
The utility model discloses a kind of combustion system without nitre that carbon dioxide can be reclaimed, include oxygen device for making, oxygen device for making connects oxygen surge tank, oxygen surge tank connects gas mixing ratio device, the mixed gas outlet of gas mixing ratio device connects boiler fan, boiler fan connects burner, the waste gas outlet of burner is connected to carbon dioxide recovering apparatus and exhaust gas cooler, exhaust gas cooler connects has tail gas buffer, tail gas buffer to be connected with gas mixing ratio device.Provide the benefit that: 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；Recycle the carbon dioxide in tail gas, it is also possible to reclaim unnecessary carbon dioxide；The concentration controlling oxygen makes Combustion System in required state, and the efficiency of combustion of fuel is higher；The suitability is strong, and existing fuel oil can increase without nitre burning and carbon dioxide recovery system, in accordance without large-scale redevelopment with gas fired-boiler, and cost of investment is low.
Description
Technical field
This utility model relates to technical field of environment protection equipment, especially relates to the one of dust disposal and VOCs treatment
The combustion system without nitre that carbon dioxide can be reclaimed.
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.
Utility model content
Problem to be solved in the utility model is to provide that a kind of simple in construction, cost of investment be low, energy-conserving and environment-protective, efficiency of combustion
High, nitrogen oxide emission is low and the combustion system without nitre that can reclaim carbon dioxide.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: carbon dioxide can be carried out back by one
The combustion system without nitre received, includes oxygen device for making, and described oxygen device for making connects oxygen surge tank, described oxygen
Surge tank connects gas mixing ratio device, and the mixed gas outlet of described gas mixing ratio device connects boiler fan, described
Boiler fan connects has burner, the side of described burner to be provided with fuel supply device, described burner
Waste gas outlet is connected to carbon dioxide recovering apparatus and exhaust gas cooler, and described exhaust gas cooler connects has tail gas to buffer
Tank, described tail gas buffer is connected with described gas mixing ratio device.
Preferably, above-mentioned a kind of combustion system without nitre that carbon dioxide can be reclaimed, wherein said gas mixing ratio
Device includes gas proportioning device and the first air inlet being separately positioned on described gas proportioning device and the second air inlet, institute
Stating the first air inlet to be connected with described tail gas buffer, described second air inlet is connected with described oxygen surge tank.
Preferably, above-mentioned a kind of combustion system without nitre that can reclaim carbon dioxide, wherein said oxygen buffers
It is provided with gas flow meter between tank and described second air inlet.
Preferably, above-mentioned a kind of combustion system without nitre that carbon dioxide can be reclaimed, wherein said burner
Include boiler or kiln.
Preferably, above-mentioned a kind of combustion system without nitre that carbon dioxide can be reclaimed, wherein said fuel supply
Switching valve and check valve it is provided with between device and described boiler or kiln.
Preferably, above-mentioned a kind of combustion system without nitre that carbon dioxide can be reclaimed, wherein said burner
And it is provided with gas concentration analyzer between described carbon dioxide recovering apparatus.
Preferably, above-mentioned a kind of combustion system without nitre that can reclaim carbon dioxide, wherein said tail gas cools down
Cooling water inlet and coolant outlet it is respectively arranged with on device.
This utility model 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 cost that this system is main is the energy consumption cost of oxygen producing, and the tail gas of discharge is the carbon dioxide of high concentration
And water vapour, carbon dioxide recovering apparatus can be mounted directly, as reclaimed carbon dioxide and selling outward, major part oxygen processed can be offset
The cost of gas even earns profit.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is the structural representation of burner in this utility model；
Fig. 3 is the structural representation of gas mixing ratio device in this utility model.
In figure: 1, oxygen device for making 2, oxygen surge tank 3, gas mixing ratio device
4, boiler fan 5, burner 6, gas concentration analyzer
7, exhaust gas cooler 8, tail gas buffer 9, carbon dioxide recovering apparatus
10, fuel supply device 11, coolant outlet 12, cooling water inlet
31, gas proportioning device 32, mixed gas outlet the 33, first air inlet
34, the second air inlet 35, gas flow meter 51, boiler
52, switching valve 53, check valve
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
As shown in Figure 1, Figure 2 and Figure 3, a kind of combustion system without nitre that carbon dioxide can be reclaimed, include oxygen
Device for making 1, oxygen device for making 1 connects oxygen surge tank 2, and oxygen surge tank 2 connects gas mixing ratio device 3, gas
Matching device 3 includes gas proportioning device 31 and the first air inlet 33 and second of being separately positioned on gas proportioning device 31 enters
QI KOU 34, the second air inlet 34 is connected with oxygen surge tank 2, is provided with gas between oxygen surge tank 2 and the second air inlet 34
Flow meter 35, the mixed gas outlet 32 of gas mixing ratio device 3 connects boiler fan 4, and boiler fan 4 connects burning
Device 5, burner 5 generally uses boiler 51 or kiln, and the side of burner 5 is provided with fuel supply device 10, fuel
Being provided with switching valve 52 and check valve 53 between feeding mechanism 10 and boiler 51 or kiln, the waste gas outlet of burner 5 is respectively
Connect and have carbon dioxide recovering apparatus 9 and exhaust gas cooler 7, between burner 5 and carbon dioxide recovering apparatus 9, be provided with gas
Bulk concentration analyser 6, exhaust gas cooler 7 is respectively arranged with cooling water inlet 12 and coolant outlet 11, and exhaust gas cooler 7 is even
Being connected to tail gas buffer 2, tail gas buffer 2 is connected with gas mixing ratio device 3, on tail gas buffer 2 and gas proportioning device 31
First air inlet 33 connects.
Global design is that the gaseous mixture using carbon dioxide and oxygen produces dress instead of air as burning rate accelerator for boiler, oxygen
Put 1 from air isolated oxygen, send into oxygen surge tank 2, then access to the second air inlet 34 on gas proportioning device 31；Gas
Boiler fan 4 is sent into after the carbon dioxide and oxygen automatic mixing by a certain percentage mixing that body proportioner 31 will loop back
Entrance, sends into boiler 51 and fuel mixed combustion through boiler fan 4；Boiler exhaust gas after burning out divides two-way, a road to send
Entering carbon dioxide recovering apparatus 9, the carbon dioxide in carbon dioxide recovering apparatus 9 tail gas will be purified and liquefy recovery；Separately
One tunnel sucks tail gas buffer 8 after sucking exhaust gas cooler 7 cooling under the negative pressure that boiler fan 4 produces, then is inhaled into gas
First air inlet 33 of body proportioner 31, this partial CO 2 will be recycled.
When system is just run, intrasystem nitrogen content is higher, along with the recycling of tail gas, after through gas mixing ratio
The mixed gas of device 31 is practically free of nitrogen, so that the amount of nitrogen oxides in flue gas is reduced to qualified discharge after Ran Shao
Level, nitrogen oxides containing only trace in tail gas.Exhaust gas component after burning is mainly the oxygen of carbon dioxide, steam and residual
Gas.By gas concentration analyzer 6 to the control of oxygen proportion in burning rate accelerator for boiler, control the residual of remaining oxygen in tail gas
Amount, thus realize the control of the concentration of CO2 in tail gas, after tail gas removes steam, CO2 concentration reaches 80%～95%, thus
The CO2 in boiler exhaust gas is made to have the economic worth of recovery.
Above an embodiment of the present utility model is described in detail, but described content is the most of the present utility model
Preferred embodiment, it is impossible to be considered for limiting practical range of the present utility model.All made according to this utility model application range
Impartial change and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (7)
1. the combustion system without nitre that carbon dioxide can be reclaimed, it is characterised in that: include oxygen device for making
(1), described oxygen device for making (1) connects oxygen surge tank (2), and described oxygen surge tank (2) connects has gas mixing ratio to fill
Putting (3), the mixed gas outlet (32) of described gas mixing ratio device (3) connects boiler fan (4), described boiler fan
(4) connection has burner (5), the side of described burner (5) to be provided with fuel supply device (10), described burner
(5) waste gas outlet is connected to carbon dioxide recovering apparatus (9) and exhaust gas cooler (7), and described exhaust gas cooler (7) is even
Being connected to tail gas buffer (8), described tail gas buffer (8) is connected with described gas mixing ratio device (3).
A kind of combustion system without nitre that carbon dioxide can be reclaimed the most according to claim 1, it is characterised in that: institute
State gas mixing ratio device (3) include gas proportioning device (31) and be separately positioned on first on described gas proportioning device (31)
Air inlet (33) and the second air inlet (34), described first air inlet (33) is connected with described tail gas buffer (8), and described second
Air inlet (34) is connected with described oxygen surge tank (2).
A kind of combustion system without nitre that carbon dioxide can be reclaimed the most according to claim 2, it is characterised in that: institute
State and between oxygen surge tank (2) and described second air inlet (34), be provided with gas flow meter (35).
A kind of combustion system without nitre that carbon dioxide can be reclaimed the most according to claim 1, it is characterised in that: institute
State burner (5) and include boiler (51) or kiln.
A kind of combustion system without nitre that carbon dioxide can be reclaimed the most according to claim 4, it is characterised in that: institute
State and between fuel supply device (10) and described boiler (51) or kiln, be provided with switching valve (52) and check valve (53).
A kind of combustion system without nitre that carbon dioxide can be reclaimed the most according to claim 1, it is characterised in that: institute
State and between burner (5) and described carbon dioxide recovering apparatus (9), be provided with gas concentration analyzer (6).
A kind of combustion system without nitre that carbon dioxide can be reclaimed the most according to claim 1, it is characterised in that: institute
State and on exhaust gas cooler (7), be respectively arranged with cooling water inlet (12) and coolant outlet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620512166.6U CN205825096U (en) | 2016-05-30 | 2016-05-30 | A kind of combustion system without nitre that carbon dioxide can be reclaimed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620512166.6U CN205825096U (en) | 2016-05-30 | 2016-05-30 | A kind of combustion system without nitre that carbon dioxide can be reclaimed |
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| Publication Number | Publication Date |
|---|---|
| CN205825096U true CN205825096U (en) | 2016-12-21 |
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| CN201620512166.6U Expired - Fee Related CN205825096U (en) | 2016-05-30 | 2016-05-30 | A kind of combustion system without nitre that carbon dioxide can be reclaimed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889969A (en) * | 2016-05-30 | 2016-08-24 | 广东上典环境保护工程有限公司 | Nitrate-free combustion system capable of recycling carbon dioxide |
-
2016
- 2016-05-30 CN CN201620512166.6U patent/CN205825096U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889969A (en) * | 2016-05-30 | 2016-08-24 | 广东上典环境保护工程有限公司 | Nitrate-free combustion system capable of recycling carbon dioxide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20210530 |
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| CF01 | Termination of patent right due to non-payment of annual fee |