CN103727527A - High-power practical gas catalytic combustion kiln - Google Patents
High-power practical gas catalytic combustion kiln Download PDFInfo
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- CN103727527A CN103727527A CN201410000087.2A CN201410000087A CN103727527A CN 103727527 A CN103727527 A CN 103727527A CN 201410000087 A CN201410000087 A CN 201410000087A CN 103727527 A CN103727527 A CN 103727527A
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Abstract
The invention provides a high-power practical gas catalytic combustion kiln. The high-power practical gas catalytic combustion kiln comprises a gas supply system and a combustion system, wherein the combustion system comprises combustors and a furnace chamber, wherein the gas supply system is connected with the combustors through mixers. The high-power practical gas catalytic combustion kiln is characterized in that the combustion system comprises a plurality of independent combustors which are arranged in parallel, and each combustor is respectively connected with the gas supply system through the independent mixer. The high-power practical gas catalytic combustion kiln provided by the invention utilizes the way of arranging the plurality of low-power combustors in parallel to replace the high-power combustor, is simultaneously combined with gas and air for separated gas supply, and has the characteristics of high power, high efficiency, energy conservation, environmental friendliness and safety.
Description
Technical field
The invention belongs to gas technology field, particularly relate to the high-power practical gas catalytic burning stove of a kind of efficient, safety, energy-saving and environmental protection.
Background technology
Industrial coal stove and electric furnace consume energy greatly, pollute high.Although it is the longest that industrial coal stove is gone through the time, efficiency is generally low, and seriously polluted, the harmful gas of a large amount of generation, be the one of the main reasons that directly causes the haze weather in each city, day by day serious along with atmosphere pollution, makes people recognize the harm of industrial coal.
It is reported, Beijing proposes in " 12 " ENERGY PLANNING of announcing for 2011, will substantially realize without coalification, and other city during " 12 " in five rings, also all take up to realize stove without coalification.
For electric furnace, although himself exothermal process does not produce pollutant, electric power is typical secondary energy sources, at it, primary energy is converted in the process of secondary energy sources, has experienced the energy loss of about 40-50%.Therefore, adopt cheap primary energy natural gas to burn, then in conjunction with waste gas residual heat recycling system, can significantly fall low-energy-consumption, realize and save energy and reduce the cost, reduce the object of firing cost, reducing pollutant emission.
Due to the raising to living environment quality understanding, people reduce the attention increasingly of pollutant emission in combustion process, make the research of catalytic combustion obtain to a great extent promotion.This is due to traditional single phase burning process, always to produce nitrogen oxide (NO and NO2), the carbon monoxide of some, and contain unburned fuel, and heterocatalysis burning can make the burning pollutant discharge of extreme poverty hydrocarbon-air mixture reach nearly zero.And adopt natural gas as the energy, can reduce the consumption of coal and oil, thereby greatly improve problem of environmental pollution; Natural gas is as a kind of clean energy resource, can reduce sulfur dioxide and dust discharge amount nearly 100%, reduce CO2 emissions 60% and oxynitride discharge amount 50%, and contribute to reduce acid rain and form, the global greenhouse effect of releiving, fundamentally improves environmental quality.So natural gas catalytic combustion stove is the burning stove of high-efficiency cleaning.
Summary of the invention
For the defect and the deficiency that exist in existing gas catalysis technology, the object of the present invention is to provide the gas furnace kiln of a kind of powerful efficient, safety, energy-saving and environmental protection.
Technical scheme of the present invention is as follows:
A kind of high-power practical gas catalytic burning stove, comprise air supply system, combustion system, described combustion system comprises burner and burner hearth, described air supply system is connected with burner by blender, it is characterized in that: described combustion system comprises the some individual burner that are set up in parallel, described each burner respectively by one independently blender be connected with air supply system.
Further, described air supply system comprises combustion gas gas collection part and the air gas collection part of separate setting, described combustion gas gas collection partly comprises combustion gas air collector, described air gas collection partly comprises air air collector, described combustion gas air collector is connected with each blender by pipeline respectively with air air collector, and combustion gas and air are sent into burner combustion after mixing in blender.
Further, also comprise combustion catalysis device in described burner, described combustion catalysis device comprises monolithic structure combustion catalysis device.
Further, also comprise the independent heat exchanger arranging in described burner, described heat exchanger is arranged at the front end of combustion catalysis device, with cooling isolation catalytic combustion.
Further, in described burner hearth, be provided with the heat exchanger of regulating stove bore temperature.
Further, also comprise hybrid chamber in described burner, described hybrid chamber is arranged at the front end of heat exchanger, and the air mixture of sending into through blender again mixes in hybrid chamber.
Further, the described blender rear end mouth of pipe is divided into two branch roads, and two branch roads extend to respectively the both sides of hybrid chamber, and with vertical direction, is again divided into two branch roads and is communicated with hybrid chamber.
Further, described air gas gathering system also comprises volume control device, and described volume control device comprises blower fan and controls the frequency-variable controller of rotation speed of fan.
Further, the outlet pipe of described air air collector is provided with flowmeter.
Further, the air inlet pipeline of described combustion gas air collector is provided with flowmeter and control valve, is also provided with flowmeter and control valve on the outlet pipe of described combustion gas air collector, to control the mixed proportion of the air mixture in each blender.
Technique effect of the present invention is:
1, some burners that gas furnace kiln of the present invention is set up in parallel by employing, utilize the burner of same power, by a plurality of small-power burners that are set up in parallel, realized the technical purpose of high-power practical gas catalytic burning stove, such technology path, can avoid the technical difficulty that directly utilizes high-power burner to bring.And, adopt technical scheme of the present invention, can effectively reduce R&D costs, reduce difficulty and the cost manufacturing and process, improve burning usefulness, reduce the operating cost of burning, daily care and maintenance is economical and convenient more also, is easy to adjust and control combustion parameter.
2, high-power practical gas catalytic burning stove of the present invention, adopt separate combustion gas, air (or compressed air) gas collection technology, be aided with gas flow control technology, each burner passes through respectively independently blender and is connected with combustion gas air collector with air air collector, even the situation that is separately arranged to occur in burner tempering due to air air collector and combustion gas air collector, because ducted combustion gas, air separately enter burner through pipeline, can guarantee the safe operation of burner.
3, high-power practical gas catalytic burning stove of the present invention, the structure of combustion parts is followed successively by the monolithic structure of hybrid chamber, water cooling heat exchanger, catalytic combustion, wherein hybrid chamber can guarantee that in conjunction with volume control device air, combustion gas evenly mix in certain proportion, catalytic combustion is carried out on only stone surface that after mixing, gas arrives catalytic combustion after by water cooling heat exchanger, the tail gas having burnt enters burner hearth, in burner hearth, also Independent is equipped with heat exchanger, controls the temperature of burner hearth by rate of heat exchange in adjusting heat exchanger.
4, in burner of the present invention, be provided with independently heat exchanger, by the recall burner isolation of the hybrid chamber of burner front end and rear end, by air mixture is carried out to cooling isolation, effective obstruct, control combustion region, the security that improves burner and stove.
Accompanying drawing explanation
Figure 1 shows that the structural principle schematic diagram of high-power practical gas catalytic burning stove of the present invention.
Figure 2 shows that the side direction structural representation of high-power practical gas catalytic burning stove of the present invention.
Figure 3 shows that the forward structure schematic diagram of high-power practical gas catalytic burning stove of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Be illustrated in figure 1 a kind of specific embodiment of high-power practical gas catalytic burning stove of the present invention.
Frequency-variable controller 1 is connected by electric wire with blower fan 2, by controlling frequency converter 1, reaches the object of controlling air mass flow.
Combustion gas can adopt municipal gas ductwork or the independent gas storage tank arranging to be adjusted to applicable pressure through pressure regulator, through ball valve, natural gas flowmeter 8, access combustion gas gas collecting jar with ground-on cover plate 7, the total flow of natural gas flowmeter 8 metering, combustion gas gas collecting jar with ground-on cover plate 7 also evenly separates three arms, gas meter 81, control valve and ball valve are installed on each arm, with the flow of regulation output combustion gas, realize and regulate accurately air mixture gas volume ratio.
Air is connected and mixes for the first time in this with blender 9 entrance points respectively with combustion gas arm, blender 9 ports of export first carry out Yi Ci branch with horizontal direction, two branch roads that separate extend to respectively the both sides of the hybrid chamber of burner 10, the end of two branch roads carries out branch again with vertical direction, two branch roads that separate pass into respectively the hybrid chamber 21 (as shown in Figure 3) of burner 10, and such gas circuit structure can make air mixture in burner 10, reach sufficient mixing.
The upper end face of burner 10 is provided with hook 27, one sides and is provided with hinge 28.
The fuel gas buring mode of high-power catalysis gas furnace kiln of the present invention is full premixed combustion, premixer is the hybrid chamber 21 of burner, combustion gas source is municipal gas ductwork, air is supplied by air blast, the flow proportional of combustion gas and air is controlled by each flowmeter, and flowmeter is by 4 power supplies of two-way voltage-stabilizing power supply, and air blast is connected with frequency converter, the numerical value showing by flowmeter is controlled frequency and the burnt gas valve aperture of frequency converter, thereby carries out stable operation.
Take natural gas catalytic combustion as example, and when fuel combustion is abundant, burner temperature is 1100 degrees Celsius of left and right, and fire box temperature is 850 degrees Celsius of left and right, and natural gas all transfers CO to substantially
2and H
2o, and CO and NOx are all less than 5ppm, are almost equal to zero, and substantially reach near zero pollutant discharge, sufficient combustion, the thermal efficiency are high simultaneously, so high-power natural gas catalytic combustion stove is the large-scale stove of high-efficiency energy-saving pollution-free.
The foregoing is only preferred embodiment of the present invention; for a person skilled in the art; according to description and interpretation of the present invention; can also derive and change its structure and form; should be understood that; any distortion and variation that does not depart from the present invention's spirit and essence, all will be included among protection scope of the present invention.
Claims (10)
1. a high-power practical gas catalytic burning stove, comprise air supply system, combustion system, described combustion system comprises burner and burner hearth, described air supply system is connected with burner by blender, it is characterized in that: described combustion system comprises the some individual burner that are set up in parallel, described each burner respectively by one independently blender be connected with air supply system.
2. high-power practical gas catalytic burning stove as claimed in claim 1, it is characterized in that: described air supply system comprises combustion gas gas collection part and the air gas collection part of separate setting, described combustion gas gas collection partly comprises combustion gas air collector, described air gas collection partly comprises air air collector, described combustion gas air collector is connected with each blender by pipeline respectively with air air collector, and combustion gas and air are sent into burner combustion after mixing in blender.
3. high-power practical gas catalytic burning stove as claimed in claim 2, is characterized in that: in described burner, comprise combustion catalysis device, described combustion catalysis device comprises monolithic structure combustion catalysis device.
4. high-power practical gas catalytic burning stove as claimed in claim 3, is characterized in that: in described burner, also comprise heat exchanger, described heat exchanger is arranged at the front end of combustion catalysis device, with cooling isolation catalytic combustion.
5. high-power practical gas catalytic burning stove as claimed in claim 4, is characterized in that: in described burner, also comprise hybrid chamber, described hybrid chamber is arranged at the front end of heat exchanger, and the air mixture of sending into through blender again mixes in hybrid chamber.
6. high-power practical gas catalytic burning stove as claimed in claim 5, it is characterized in that: the described blender rear end mouth of pipe is divided into two branch roads, two branch roads extend to respectively the both sides of hybrid chamber, and with vertical direction, are again divided into two branch roads and are communicated with hybrid chamber.
7. high-power practical gas catalytic burning stove as claimed in claim 6, is characterized in that: the heat exchanger that is provided with regulating stove bore temperature in described burner hearth.
8. high-power practical gas catalytic burning stove as claimed in claim 7, is characterized in that: described air gas gathering system also comprises volume control device, and described volume control device comprises blower fan and controls the frequency-variable controller of rotation speed of fan.
9. high-power practical gas catalytic burning stove as claimed in claim 8, is characterized in that: the outlet pipe of described air air collector is provided with flowmeter.
10. high-power practical gas catalytic burning stove as claimed in claim 9, it is characterized in that: the air inlet pipeline of described combustion gas air collector is provided with flowmeter and control valve, on the outlet pipe of described combustion gas air collector, be also provided with flowmeter and control valve, to control the mixed proportion of the air mixture in each blender.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410000087.2A CN103727527A (en) | 2014-01-02 | 2014-01-02 | High-power practical gas catalytic combustion kiln |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410000087.2A CN103727527A (en) | 2014-01-02 | 2014-01-02 | High-power practical gas catalytic combustion kiln |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548176A (en) * | 2018-04-27 | 2018-09-18 | 天津征鑫热能设备制造有限公司 | A kind of combined type burner having Mutiple Choice |
| CN109298015A (en) * | 2018-11-23 | 2019-02-01 | 太原理工大学 | A kind of CO2It is enriched with the experimental provision of the coal instant heating gasification, and combustion under hyperbaric environment |
| CN113432033A (en) * | 2021-06-10 | 2021-09-24 | 江苏匡集工业科技有限公司 | Centralized intelligent gas supply system |
| CN115477549A (en) * | 2021-06-16 | 2022-12-16 | 北京建筑大学 | Gem-like colored glaze decoration and manufacturing method thereof |
| CN115789638A (en) * | 2022-11-29 | 2023-03-14 | 岳阳钟鼎热工电磁科技有限公司 | Full premix type flameless combustion system for pure oxygen combustion |
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| JPH07280222A (en) * | 1994-04-12 | 1995-10-27 | Nippon Steel Corp | Heat storage type combustion apparatus |
| CN1173919A (en) * | 1995-12-14 | 1998-02-18 | 松下电器产业株式会社 | Catalytic combustion appts. |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548176A (en) * | 2018-04-27 | 2018-09-18 | 天津征鑫热能设备制造有限公司 | A kind of combined type burner having Mutiple Choice |
| CN109298015A (en) * | 2018-11-23 | 2019-02-01 | 太原理工大学 | A kind of CO2It is enriched with the experimental provision of the coal instant heating gasification, and combustion under hyperbaric environment |
| CN109298015B (en) * | 2018-11-23 | 2020-11-27 | 太原理工大学 | Experimental device for coal rapid heating gasification combustion under high pressure environment |
| CN113432033A (en) * | 2021-06-10 | 2021-09-24 | 江苏匡集工业科技有限公司 | Centralized intelligent gas supply system |
| CN115477549A (en) * | 2021-06-16 | 2022-12-16 | 北京建筑大学 | Gem-like colored glaze decoration and manufacturing method thereof |
| CN115477549B (en) * | 2021-06-16 | 2023-11-14 | 北京建筑大学 | Gem-like colored glaze ornament and manufacturing method thereof |
| CN115789638A (en) * | 2022-11-29 | 2023-03-14 | 岳阳钟鼎热工电磁科技有限公司 | Full premix type flameless combustion system for pure oxygen combustion |
| CN115789638B (en) * | 2022-11-29 | 2024-02-13 | 湖南钟鼎热工科技股份有限公司 | Full-premix pure oxygen combustion flameless combustion system |
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Application publication date: 20140416 |
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