CN205175150U - Device is recycled in reduction of industrial stoves polyoxy burning flue gas - Google Patents
Device is recycled in reduction of industrial stoves polyoxy burning flue gas Download PDFInfo
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- CN205175150U CN205175150U CN201521001762.XU CN201521001762U CN205175150U CN 205175150 U CN205175150 U CN 205175150U CN 201521001762 U CN201521001762 U CN 201521001762U CN 205175150 U CN205175150 U CN 205175150U
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model relates to a device is recycled in reduction of industrial stoves polyoxy burning flue gas, the reduction of polyoxy burning flue gas is recycled the device and is included the kiln, is set up polyoxy combustor on the kiln, is provided oxygen valve station, carbon dioxide reducing furnace, exhaust -heat boiler, desulfurization dust removal dehydrating unit, compressor, first gas holder and the second gas holder of oxygen to the polyoxy combustor, wherein, the intake pipe of the fume emission union coupling of kiln to carbon dioxide reducing furnace, exhaust -heat boiler, desulfurization dust removal dehydrating unit, compressor and first gas holder are connected according to the preface to the still crude gas body delivery pipe of carbon dioxide reducing furnace, first gas holder is connected to polyoxy combustor and second gas holder respectively, and other kilns burnings of fuel supply can be regarded as to the carbon monoxide gas in the second gas holder, is incorporated into the power networks after also can compiling and publishing the electricity through gas turbine generator, perhaps uses as the industrial chemicals. It has: simple structure, reasonable in design, having realized advantages such as industrial waste gas resourceization, energy saving and emission reduction, having reduced the fuel cost on the one hand, on the other hand has reduced nitrogen oxide and carbon dioxide gas's emission, has extensive application prospect.
Description
Technical field
The utility model relates to industrial furnace smoke cycling and reutilization technical field, particularly relates to a kind of Industrial Stoves polyoxy combustion product gases reduction re-use device.
Background technology
Under the energy resource structure of China based on coal, Industrial Stoves are one of main disposal of pollutants sources, are also big power consumers.Industrial Stoves ubiquity energy efficiency is low, and pollutant emission such as to exceed standard at the problem.China has become the maximum country of global carbon dioxide discharge capacity, and China plans to start national carbon emission trade system in 2017, will cover the priority industry industries such as iron and steel, electric power, chemical industry, building materials, papermaking and non-ferrous metal.From global point and long term growth, carbon emission reduction will be a contention emerging carbon financial market right of speech strategic issue.
For existing Industrial Stoves Problems existing, study a kind of new Industrial Stoves polyoxy combustion product gases cycling and reutilization technology, for reduction Industrial Stoves energy consumption cost, reduce nitrogen oxide and CO
2greenhouse gas emission, reduces discharging for industrial energy saving, and development low-carbon economy has important Research Significance.
Utility model content
For the problems referred to above that Industrial Stoves in prior art exist, the purpose of this utility model is: provide a kind of Industrial Stoves polyoxy combustion product gases reduction re-use device, it has: structure is simple, reasonable in design, achieve the advantages such as industrial waste gas resource, energy-saving and emission-reduction, reduce fuel cost on the one hand, decrease the discharge of nitrogen oxide and carbon dioxide on the other hand, be with a wide range of applications.
In order to achieve the above object, the utility model adopts following technical scheme to realize:
A kind of Industrial Stoves polyoxy combustion product gases reduction re-use device, is characterized in that: described flue gas reduction re-use device comprises kiln, the oxygen-enriched burner be arranged on kiln, the oxygen valve station providing oxygen to oxygen-enriched burner, carbon dioxide reduction stove, waste heat boiler, desulfurization and dedusting dehydrating unit, compressor, the first air accumulator and the second air accumulator; Wherein, the smoke discharge pipe of kiln (1) is connected to the air inlet pipe of carbon dioxide reduction stove, and the reducing gas delivery pipe of carbon dioxide reduction stove is sequentially connected to waste heat boiler, desulfurization and dedusting dehydrating unit, compressor and the first air accumulator; First air accumulator is also connected to reducing gas air inlet pipe and second air accumulator of oxygen-enriched burner (2) respectively.
Described oxygen-enriched burner comprises Fuel lance, an oxygen rifle and secondary oxygen rifle; Wherein, an oxygen rifle and Fuel lance coaxial sleeve structural configuration, an oxygen rifle is arranged on the inside of Fuel lance, and secondary oxygen rifle and Fuel lance are arranged in parallel; Described reducing gas delivery pipe Fuel lance is communicated with, and reducing gas delivery pipe is provided with reducing gas flowmeter and reducing gas flow control valve.
Described oxygen-enriched burner is also provided with high-energy igniter and flame detector, all arranges near Fuel lance.
Described oxygen valve station is provided with oxygen house steward, oxygen house steward again with an oxygen pipeline and secondary oxygen pipeline connection.From oxygen inlet to oxygen outlet, oxygen house steward is respectively equipped with the stop valve, Pressure gauge, pressure maintaining valve, the first pressure transmitter, the first thermal resistance that sequentially connect, an oxygen pipeline is also provided with the first-class gauge, first flow control valve, the first stop valve and the second pressure transmitter that sequentially connect; Secondary oxygen pipeline is also provided with the second gauge, second adjustable valve, the second stop valve and the 3rd pressure transmitter that sequentially connect; One time oxygen pipeline is connected to an oxygen rifle, and secondary oxygen pipeline is connected to secondary oxygen rifle.
Described kiln is provided with Qi Lu igniter fuel spray gun, anti-explosion alarming and lets out the pressure relief device of kiln pressure in the burner hearth.
Described burner also comprises automatic control system, this automatic control system by PLC host computer respectively with oxygen-enriched burner, oxygen valve station, carbon dioxide reduction stove control connection; Wherein, kiln is also provided with thermocouple, the inlet valve of this thermocouple and reducing gas air inlet pipe forms cascade control system, PLC host computer obtains the in-furnace temperature of kiln to adjust the air inflow of reducing gas by the second thermocouple, and PLC host computer regulates oxygen supply, secondary oxygen supply and a reducing gas supply according to the kiln temperature preset.
Compared with Industrial Stoves of the prior art, Industrial Stoves polyoxy combustion product gases of the present utility model reduction re-use device tool is adopted to have the following advantages:
(1) structure is simple, reasonable in design, by realizing industrial waste gas resource and energy-saving and emission-reduction to kiln gas recirculation.
(2) because polyoxy burning is with pure oxygen combustion-supporting, CO in flue gas
2concentration is high, flue gas pass into after carbon dioxide reduction stove with charcoal generation reduction reaction, high-temperature flue gas provides a part of heat for reduction reaction, decrease the amount of oxygen passed in carbon dioxide reduction stove, can high-purity CO gas, CO gas and residual heat boiler for exchanging heat, CO gas after cooling is after desulfurization and dedusting dehumidifying, by compressor force feed to the first air accumulator, CO gas in first air accumulator is delivered to kiln again as fuel and is carried out polyoxy burning, unnecessary CO gas has multiple utilization ways, can be used as fuel and supply the burning of other kiln, also can by grid-connected after jet dynamic control generating, or use as industrial chemicals.
(3) the utility model solves flue gas recirculation recycling and environmental issue, not only reduce the fuel cost of Industrial Stoves, most important is realize Industrial Stoves nitrogen oxide and carbon dioxide minimum discharge, and for raising Industrial Stoves competitiveness, development low-carbon economy is significant.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model Industrial Stoves polyoxy combustion product gases reduction re-use device.
Accompanying drawing 2 is the oxygen-enriched burner structural representation of the utility model Industrial Stoves polyoxy combustion product gases reduction re-use device.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-2, the utility model Industrial Stoves polyoxy combustion product gases reduction re-use device is described in detail.
A kind of Industrial Stoves polyoxy combustion product gases reduction re-use device, described burner comprises kiln 1, the oxygen-enriched burner 2 be arranged on kiln, the oxygen valve station providing oxygen to oxygen-enriched burner, carbon dioxide reduction stove 3, waste heat boiler 29, desulfurization and dedusting dehydrating unit 4, compressor 5, first air accumulator 6 and the second air accumulator; Wherein, the smoke discharge pipe of kiln 1 is connected to the air inlet pipe of carbon dioxide reduction stove 3, and the reducing gas delivery pipe of carbon dioxide reduction stove 3 is sequentially connected to waste heat boiler 29, desulfurization and dedusting dehydrating unit 4, compressor 5 and the first air accumulator 6; First air accumulator 6 is also connected to reducing gas air inlet pipe and second air accumulator 28 of oxygen-enriched burner 2 respectively.Described oxygen-enriched burner comprises Fuel lance 23, oxygen rifle 24 and secondary oxygen rifle 25; Wherein, an oxygen rifle 24 and Fuel lance 23 coaxial sleeve structural configuration, one time oxygen rifle 24 is arranged on Fuel lance 23 inside, and secondary oxygen rifle 25 and Fuel lance 23 are arranged in parallel; Described reducing gas delivery pipe is communicated with Fuel lance, and reducing gas delivery pipe is provided with reduction flowmeter 7 and reducing gas flow control valve 8.Described oxygen-enriched burner also comprises high-energy igniter 26 and flame detector 27, and the two is all arranged near Fuel lance 23.Described oxygen valve station is provided with oxygen house steward, and oxygen house steward is divided into again an oxygen pipeline and secondary oxygen pipeline.From oxygen inlet to oxygen outlet, oxygen house steward is respectively equipped with the stop valve 10, Pressure gauge 11, pressure maintaining valve 12, first pressure transmitter 13, first thermal resistance 14 that sequentially connect; An oxygen pipeline is also provided with the first-class gauge 15, first flow control valve 16, first stop valve 17 and the second pressure transmitter 18 that sequentially connect; Secondary oxygen pipeline is also provided with the second gauge 19, second adjustable valve 20, second stop valve 21 and the 3rd pressure transmitter 22 that sequentially connect; One time oxygen pipeline is connected to an oxygen rifle 24, and secondary oxygen pipeline is connected to secondary oxygen rifle 25.
Described kiln is provided with Qi Lu igniter fuel spray gun, anti-explosion alarming and lets out the pressure relief device of kiln pressure in the burner hearth.
Described burner also comprises automatic control system, this automatic control system by PLC host computer respectively with oxygen-enriched burner 2, oxygen valve station, carbon dioxide reduction stove 3 control connection; Wherein, kiln 1 is also provided with thermocouple 9, the inlet valve of this thermocouple and reducing gas air inlet pipe forms cascade control system, PLC host computer obtains the in-furnace temperature of kiln to adjust the air inflow of reducing gas by the second thermocouple, and PLC host computer regulates oxygen supply, secondary oxygen supply and a reducing gas supply according to the kiln temperature preset.
In the utility model runs, when kiln starts, burn to oxygen-enriched burner infeed point stove natural gas or fuel oil, the smoke components produced is mainly carbon dioxide and steam, flue gas is delivered in carbon dioxide reduction stove, and in reduction furnace, pass into oxygen, carbon dioxide and carbon under the high temperature conditions reduction reaction occur simultaneously, produce carbon monoxide, in reduction furnace, concrete reaction equation is as follows:
C+O
2＝2CO
2+393.5
CO
2+C＝2CO-168.5
Carbon dioxide reduction reaction is the endothermic reaction, and the reaction Heat of Formation of oxygen and carbon compensate for carbon dioxide reduction and recepts the caloric, and ensure that the percent reduction of carbon dioxide, wherein the volume ratio of oxygen and carbon dioxide is between 0.25 ~ 0.5.After CO gas and residual heat boiler for exchanging heat, through desulfurization and dedusting dehumidification treatments, by compressor force feed to the first air accumulator, when the first reservoir pressure reaches setting value, stop feeding natural gas or oil in kiln, open carbon monoxide cycle pipeline, CO gas after supercharging is delivered to kiln through control valve group and is carried out polyoxy burning, the carbon dioxide in flue gas concentration produced is high, flue gas is by the CO gas of high-purity in carbon dioxide reduction stove, part carbon monoxide supply kiln burning in storage tank, unnecessary carbon monoxide is delivered in the second air accumulator and is collected, CO gas in second air accumulator can be used as fuel and supplies the burning of other kiln, also can by grid-connected after jet dynamic control generating, or use as industrial chemicals.
Retouching person skilled in the art and obviously easily can make various amendment to these embodiments according to above-described embodiment, and General Principle described herein to be applied in other embodiments and need not through performing creative labour.Therefore, the utility model is not limited to embodiment here, and those skilled in the art, according to announcement of the present utility model, do not depart from improvement that the utility model category makes and amendment all should within protection domain of the present utility model.
Claims (6)
1. an Industrial Stoves polyoxy combustion product gases reduction re-use device, is characterized in that: described flue gas reduction re-use device comprises kiln (1), is arranged on the oxygen-enriched burner (2) on kiln, the oxygen valve station providing oxygen to oxygen-enriched burner, carbon dioxide reduction stove (3), waste heat boiler (29), desulfurization and dedusting dehydrating unit (4), compressor (5), the first air accumulator (6) and the second air accumulator (28); Wherein, the smoke discharge pipe of kiln (1) is connected to the air inlet pipe of carbon dioxide reduction stove (3), and the reducing gas delivery pipe of carbon dioxide reduction stove (3) is sequentially connected to waste heat boiler (29), desulfurization and dedusting dehydrating unit (4), compressor (5) and the first air accumulator (6); First air accumulator (6) is also connected to reducing gas air inlet pipe and second air accumulator (28) of oxygen-enriched burner (2) respectively.
2. a kind of Industrial Stoves polyoxy combustion product gases reduction re-use device according to claim 1, is characterized in that: described oxygen-enriched burner comprises Fuel lance (23), an oxygen rifle (24) and secondary oxygen rifle (25); Wherein, an oxygen rifle (24) and Fuel lance (23) coaxial sleeve structural configuration, an oxygen rifle (24) is arranged on the inside of Fuel lance (23), and secondary oxygen rifle (25) and Fuel lance (23) are arranged in parallel; Described reducing gas delivery pipe Fuel lance is communicated with, and reducing gas delivery pipe is provided with reducing gas flowmeter (7) and reducing gas flow control valve (8).
3. a kind of Industrial Stoves polyoxy combustion product gases reduction re-use device according to claim 2, it is characterized in that: described oxygen-enriched burner is also provided with high-energy igniter (26) and flame detector (27), the two is all arranged near Fuel lance (23).
4. a kind of Industrial Stoves polyoxy combustion product gases reduction re-use device according to claim 1 and 2, it is characterized in that: described oxygen valve station is provided with oxygen house steward, oxygen house steward again with an oxygen pipeline and secondary oxygen pipeline connection, from oxygen inlet to oxygen outlet, oxygen house steward is respectively equipped with the stop valve (10), Pressure gauge (11), pressure maintaining valve (12), the first pressure transmitter (13), the first thermal resistance (14) that sequentially connect; An oxygen pipeline is also provided with the first-class gauge (15), first flow control valve (16), the first stop valve (17) and the second pressure transmitter (18) that sequentially connect; Secondary oxygen pipeline is also provided with the second gauge (19), second adjustable valve (20), the second stop valve (21) and the 3rd pressure transmitter (22) that sequentially connect; One time oxygen pipeline is connected to an oxygen rifle (24), and secondary oxygen pipeline is connected to secondary oxygen rifle (25).
5. a kind of Industrial Stoves polyoxy combustion product gases reduction re-use device according to claim 1, is characterized in that: described kiln is provided with the pressure relief device opening stove igniter fuel spray gun, anti-explosion alarming and let out kiln pressure in the burner hearth.
6. a kind of Industrial Stoves polyoxy combustion product gases reduction re-use device according to claim 1, it is characterized in that: described burner also comprises automatic control system, this automatic control system by PLC host computer respectively with oxygen-enriched burner (2), oxygen valve station, carbon dioxide reduction stove (3) control connection; Wherein, kiln (1) is also provided with the second thermocouple (9), the intake valve of this second thermocouple and reducing gas air inlet pipe forms cascade control system, PLC host computer obtains the in-furnace temperature of kiln to adjust the air inflow of reducing gas by the second thermocouple, and PLC host computer regulates oxygen supply, secondary oxygen supply and a reducing gas supply according to the kiln temperature preset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521001762.XU CN205175150U (en) | 2015-12-07 | 2015-12-07 | Device is recycled in reduction of industrial stoves polyoxy burning flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521001762.XU CN205175150U (en) | 2015-12-07 | 2015-12-07 | Device is recycled in reduction of industrial stoves polyoxy burning flue gas |
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| Publication Number | Publication Date |
|---|---|
| CN205175150U true CN205175150U (en) | 2016-04-20 |
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ID=55739133
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521001762.XU Active CN205175150U (en) | 2015-12-07 | 2015-12-07 | Device is recycled in reduction of industrial stoves polyoxy burning flue gas |
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| CN (1) | CN205175150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371670A (en) * | 2015-12-07 | 2016-03-02 | 王立臣 | Reducing and reusing device for multi-oxygen combustion smoke of industrial kiln and operation method thereof |
-
2015
- 2015-12-07 CN CN201521001762.XU patent/CN205175150U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371670A (en) * | 2015-12-07 | 2016-03-02 | 王立臣 | Reducing and reusing device for multi-oxygen combustion smoke of industrial kiln and operation method thereof |
| CN105371670B (en) * | 2015-12-07 | 2017-11-03 | 王立臣 | A kind of Industrial Stoves polyoxy combustion product gases reduction reuse means and its operation method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |