CN204593438U - A kind of oxygenation pre-mixing apparatus of ceramic oxygen-enriched combustion technology - Google Patents
A kind of oxygenation pre-mixing apparatus of ceramic oxygen-enriched combustion technology Download PDFInfo
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- CN204593438U CN204593438U CN201520121728.XU CN201520121728U CN204593438U CN 204593438 U CN204593438 U CN 204593438U CN 201520121728 U CN201520121728 U CN 201520121728U CN 204593438 U CN204593438 U CN 204593438U
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- oxygen
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model is a kind of oxygenation pre-mixing apparatus of ceramic oxygen-enriched combustion technology, and the oxygen that can be used for when realizing oxygen-enriched combusting evenly supplies, and produces the oxygen-enriched air mixed.This device is applied in ceramic oxygen enrichment sintering process, can realize the Homogeneous phase mixing of oxygen-enriched air and the flexible modulation of oxygen-rich concentration, to improve heat utilization efficiency, and economize energy.According to the combustion system of oxygenating air, be applicable to low oxygen-rich concentration that is 22% ~ 40% oxygen-enriched combusting oxygenation and mixing apparatus.This equipment can make kiln fuel combustion completely and evenly, the thermal efficiency is high, and structure is simple, is easy to control.
Description
Technical field
The utility model relates to a kind of oxygenation pre-mixing apparatus of ceramic oxygen-enriched combustion technology.Be specially adapted to ceramic kiln and adopt oxygen-enriched combustion technology.
Background technology
In recent years, along with constantly riseing of energy prices, oil, coal equal energy source problem is paid attention to by various countries gradually, and the energy and environmental problem become the focus that various countries pay close attention to.When so severe, China has formulated some strict energy-saving and emission-reduction policies.Concerning ceramic industry, occupy first place in the world in the ceramic yield position of China, but compared with western developed country, there is the problems such as energy consumption is high, energy utilization rate is low, seriously polluted, hinder the sustainable development of China ceramic industry.The method of addressing these problems mainly contains: one is improve efficiency of energy utilization to reduce resource consumption, and realize low energy consumption, the mode of production of low stain high production is with decreasing pollution; Two is develop new forms of energy, actively utilizes regenerative resource; Three is advanced technologies of Introduced From Abroad energetically, and absorption innovation on this basis.Oxygen-enriched combustion technology is considered to a quantum leap of combustion technology in modern age.
The oxygenation mode of current oxygen-enriched combusting and combustion system mainly contain three kinds: (a) oxygenating air burns, namely in combustion air, mix a kind of low concentration oxygen enriching method of oxygen, be applicable to general regular air combustion-supporting, for guaranteeing abundant mixing, oxygen can be injected in combustion air through the structure such as air diffuser or air distribution plate, can shorten the length of flame and overheavy firing, be a kind of remodeling method of low cost.B () oxygen blast is burnt, namely injecting oxygen to rear end in air-breathing flame, is a kind of oxygen-enriched combusting method of intermediate concentration, and the method need not transform existing air-breathing system, only between material and flame, be blown into oxygen to make to form oxygen-rich area below flame, but may localized hyperthermia be produced.The two combustion adjuvant burning of (c) air/oxygen, namely respectively with different pipelines inject burner again with the method for fuel combustion, the method is actually a kind of version of oxygenating air method, just not carrying out the premix of oxygen and combustion air, is not therefore fairly obvious accelerating burning velocity and improving the effect of flame temperature.Therefore, when ceramic industry oxygen-enriched combusting, in order to ensure the uniformity of oxygen-enriched air, improving efficiency of combustion, usually adopting oxygenating air combustion system.
Utility model content
The purpose of this utility model is the combustion system according to oxygenating air, design one be applicable to low oxygen-rich concentration that is 22% ~ 40% oxygen-enriched combusting oxygenation and mixing apparatus.This equipment can make kiln fuel combustion completely and evenly, the thermal efficiency is high, and structure is simple, is easy to control.
For achieving the above object, the utility model mainly have employed following technical scheme.
Described pure oxygen pipeline, combustion-supporting wind path and oxygen-enriched air pipeline are provided with valve and flowmeter, oxygen-enriched air pipeline is also provided with oxygen concentration detector, combustion-supporting pipeline, pure oxygen pipeline and oxygen-enriched air pipeline are connected with pre-mixing apparatus respectively, the oxygen-enriched air pipeline other end is connected with cellar for storing things stove, wherein combustion-supporting wind path and pure oxygen pipe-line system are respectively by respective flow monitoring and control, and can implement to control by the oxygen-rich concentration of design.
The connection of described pure oxygen air pipe line and pre-mixing apparatus is that pure oxygen pipeline gas outlet is deeply interior curved to dead ahead, combustion air tube outlet place, and combustion air is mixed fully with pure oxygen.
An air distribution plate and reducing deep bead is provided with in described pre-mixing apparatus, wherein be uniform-distribution with the duct that diameter is 5 ~ 15mm above air distribution plate, the mixture homogeneity of air and oxygen can be made to reach more than 99.8%, preferably, be provided with an air distribution plate and reducing deep bead in described pre-mixing apparatus, wherein above air distribution plate, be uniform-distribution with the duct that diameter is 10mm.
Described combustion air air inlet has frequency conversion and air blast.
The utility model has the advantage of.
1. oxygen-enriched combusting has economize energy, and improve the advantage such as efficiency of combustion, the utility model carries out reversible transformation by aeration device to ceramic kiln on the basis of this technology, and structure is simple, and cost is low, stable and reliable.
2. this device is provided with the mixing that blender can strengthen combustion air and oxygen, improves the uniformity of oxygen-enriched air.Thus be conducive to the burning of fuel, kiln temperature is distributed more even.
3. the utility model is by automatic control system, realizes the stable of oxygen-enriched air composition.Also can according to Production of Ceramics need regulate oxygen-rich concentration, the oxygen concentration of the oxygen-enriched air provided for burner can adjust arbitrarily between 22% ~ 40%.
Accompanying drawing explanation
Fig. 1 is that aeration device is always schemed.
Fig. 2 is internal mixer structural representation.
In figure: 1, air blast; 2, frequency conversion; 3, comburent air duct; 4, gate valve; 5, flowmeter; 6, source of oxygen; 7, oxygen channel; 8, gate valve; 9, flowmeter; 10, blender; 11, bend pipe; 12, air distribution plate; 13, reducing deep bead; 14, oxygen-enriched air is through pipeline; 15, gate valve; 16, oxygen concentration determination apparatus; 17, Flow-rate adjustment flashboard; 18, stove is stored.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in detail.
See figures.1.and.2, this utility model forms primarily of air blast 1, source of oxygen 6, blender 10 and connecting pipe.Wherein, the entrance of air blast 1 is communicated with air, combustion air required when mainly providing fuel combustion.Source of oxygen 6 is concentrated oxygen supply equipment, can provide purity oxygen according to the size of oxygen-rich concentration.Blender 10 is the transition regions before oxygen-enriched air input kiln 18, and be used for fully mixing combustion air and oxygen, object is the uniformity in order to improve oxygen-enriched air, makes fuel combustion even.Air blast 1, source of oxygen 6 are connected with blender 10 respectively by comburent air duct 3, oxygen channel 6, and mixed oxygen-enriched air enters in the burner of kiln 18 through pipeline 14, carries out Thorough combustion with fuel.
For improving oxygen-enriched combusting efficiency in kiln further, the utility model devises a set of automatic control system.Comburent air duct 3 is provided with gate valve 4 and flowmeter 5, oxygen channel 7 is provided with gate valve 8 and flowmeter 9, oxygen-enriched air pipeline 14 is provided with gate valve 15 and oxygen concentration determination apparatus 16.Above-mentioned gate valve 4,8 and oxygen concentration determination apparatus 16 also can utilize the advanced communication technology, are connected with tele-control system.In actual moving process, the size of the oxygen concentration recorded is fed back to control system, regulate combustion air consumption in air blast 1 by frequency conversion 2, to ensure that oxygen-enriched air keeps desired concn constant, thus at utmost realize Automated condtrol.
This device, in order to ensure the uniformity of oxygen-enriched air, is provided with blender 10 before it enters burner.Combustion air directly enters in blender from pipeline 3, and oxygen enters in a counter-current fashion from bend pipe 11.Before blender, 1/3 place is provided with an air distribution plate 12, be uniform-distribution with the duct that diameter is 10mm above, the mist of combustion air and oxygen is fully mixed under the effect of air distribution plate, be provided with reducing 13 at 2/3 place of blender simultaneously, formation is spurted effect, strengthen the turbulent perturbation of mist, realize the secondary mixing of combustion air and oxygen.
The utility model operating procedure is as follows: open gate valve 4 and 15, open air blast 1, combustion air enters blender through pipeline 3, enters kiln 18 finally by pipeline 14, is now that normal air is combustion-supporting.Open gate valve 8, the purity oxygen that source of oxygen 6 can be made to transmit enters in blender 10 by pipeline 7, after oxygen mixes with air, mixes under the effect of air distribution plate 12 and reducing 13, after pipeline 14 and Flow-rate adjustment flashboard 17, enter kiln 18 again, realize oxygenized air combustion supporting.Meanwhile, also by flowmeter 5 and 9, oxygen concentration determination apparatus 16 and frequency conversion 2, the frequency of feedback regulation air blast and the blow rate required, control the ratio of combustion air and oxygen, realize the oxygen-enriched combusting of different oxygen concentration.
The above embodiment only have expressed protection domain of the present utility model restriction.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore protection domain of the present utility model should be as the criterion with claims.
Claims (4)
1. the oxygenation pre-mixing apparatus of a ceramic oxygen-enriched combustion technology, comprise pure oxygen pipeline, combustion-supporting wind path, pre-mix reservoir, oxygen-enriched air pipeline, it is characterized in that: described pure oxygen pipeline, combustion-supporting wind path and oxygen-enriched air pipeline are provided with valve and flowmeter, oxygen-enriched air pipeline is also provided with oxygen concentration detector, combustion-supporting pipeline, pure oxygen pipeline and oxygen-enriched air pipeline are connected with pre-mixing apparatus respectively, and the oxygen-enriched air pipeline other end is connected with cellar for storing things stove.
2. the oxygenation pre-mixing apparatus of a kind of ceramic oxygen-enriched combustion technology according to claim 1, is characterized in that: the connection of described pure oxygen air pipe line and pre-mixing apparatus is that pure oxygen pipeline gas outlet is deeply interior curved to dead ahead, combustion air tube outlet place.
3. the oxygenation pre-mixing apparatus of a kind of ceramic oxygen-enriched combustion technology according to claim 1, is characterized in that: be provided with an air distribution plate and reducing deep bead in pre-mixing apparatus, is wherein uniform-distribution with the duct that diameter is 5 ~ 15mm above air distribution plate.
4. the oxygenation pre-mixing apparatus of a kind of ceramic oxygen-enriched combustion technology according to claim 1, is characterized in that: described combustion air air inlet has frequency conversion and air blast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121728.XU CN204593438U (en) | 2015-03-03 | 2015-03-03 | A kind of oxygenation pre-mixing apparatus of ceramic oxygen-enriched combustion technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121728.XU CN204593438U (en) | 2015-03-03 | 2015-03-03 | A kind of oxygenation pre-mixing apparatus of ceramic oxygen-enriched combustion technology |
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| CN204593438U true CN204593438U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520121728.XU Expired - Fee Related CN204593438U (en) | 2015-03-03 | 2015-03-03 | A kind of oxygenation pre-mixing apparatus of ceramic oxygen-enriched combustion technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111620368A (en) * | 2020-06-29 | 2020-09-04 | 张家港市翔林机械有限公司 | Device and process for carrying out oxygen-enriched oxidation on lead tetraoxide |
-
2015
- 2015-03-03 CN CN201520121728.XU patent/CN204593438U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111620368A (en) * | 2020-06-29 | 2020-09-04 | 张家港市翔林机械有限公司 | Device and process for carrying out oxygen-enriched oxidation on lead tetraoxide |
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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: 20150826 Termination date: 20180303 |
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| CF01 | Termination of patent right due to non-payment of annual fee |