CN104197696A - Oxygen-enriched combustion-supporting and pulverized coal pure-oxygen compensation energy conservation system of rotary kiln - Google Patents
Oxygen-enriched combustion-supporting and pulverized coal pure-oxygen compensation energy conservation system of rotary kiln Download PDFInfo
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- CN104197696A CN104197696A CN201410461733.5A CN201410461733A CN104197696A CN 104197696 A CN104197696 A CN 104197696A CN 201410461733 A CN201410461733 A CN 201410461733A CN 104197696 A CN104197696 A CN 104197696A
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- oxygen
- storage tank
- oxygenerator
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- rotary kiln
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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
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Abstract
The invention relates to an oxygen-enriched combustion-supporting and pulverized coal pure-oxygen compensation energy conservation system of a rotary kiln. The system comprises a dry-process rotary kiln combustion system, a PLC (programmable logic controller) smart system, a magnetic energy oxygenerator and a liquid oxygen storage tank, the output end of the magnetic energy oxygenerator is connected with a pressure regulating system, the pressure regulating system is connected with a kiln head coal-injection duct terminal of the dry-process rotary kiln combustion system through an oxygen supply pipe, the output end of the liquid oxygen storage tank is connected with the input end of a gasifier, the output end of the gasifier is connected with the input end of a booster pump, the output end of the booster pump is connected with a pure oxygen heater, the pure oxygen heater is connected with the kiln head coal-injection duct terminal and a decomposition kiln coal-injection duct terminal through oxygen supply pipes, and the magnetic energy oxygenerator, the pressure regulating system, the liquid oxygen storage tank, the gasifier and the booster pump are all connected with the PLC smart system. The system is used on a cement dry-process rotary kiln to guarantee sufficient calcinations, benefit is increased, emission is reduced, energy is saved, and one of oxygen-enriched combustion methods of the dry-process rotary kiln is advanced and satisfactory.
Description
Technical field
The invention belongs to rotary furnace field, be specifically related to a kind of rotary furnace oxygen-enriched combustion-supporting, fine coal pure oxygen compensation energy-saving system.
Background technology
Cement producing line is the industry that energy consumption is higher, in cement production process, dore furnace and rotary furnace are the capital equipments of calcination of cement clinker, the carbonate such as lime stone further decompose and characteristic of stock reaction occur in dore furnace and rotary furnace, as can not be fully calcined, can cause finished cement of poor quality, yield poorly, can cause energy waste and pollution grows worse simultaneously.
Summary of the invention
The object of the present invention is to provide that a kind of productivity effect is high, energy consumption is low, calcine sufficient rotary furnace oxygen-enriched combustion-supporting, fine coal pure oxygen compensation energy-saving system.
The technical solution adopted for the present invention to solve the technical problems is: rotary furnace oxygen-enriched combustion-supporting, fine coal pure oxygen compensation energy-saving system, comprise dry-process rotory kiln combustion system, PLC intelligence system, magnetic energy oxygenerator and liquid oxygen storage tank, the output of described magnetic energy oxygenerator is connected with voltage-regulating system, voltage-regulating system is connected with the kiln hood coal injection pipe terminal of dry-process rotory kiln combustion system by oxygen supplying tube, the output of described liquid oxygen storage tank is connected with the input of gasifier, the output of gasifier is connected with the input of booster pump, supercharging delivery side of pump is connected with pure oxygen heater, pure oxygen heater is connected with coal injection pipe of decomposing furnace terminal with kiln hood coal injection pipe terminal respectively by oxygen supplying tube, magnetic energy oxygenerator, voltage-regulating system, liquid oxygen storage tank, gasifier, booster pump is all connected with PLC intelligence system, by PLC intelligence system, realize omnidistance computer online, touch screen is controlled, variable frequency adjustment, flow indication, pressure regulates, temperature is controlled, oxygen concentration is analyzed and pressure is controlled security alarm.
The present invention has following beneficial effect: system of the present invention is to research and develop according to the higher cement industry production line of existing domestic power consumption, abundant for guaranteeing calcining on cement dry method rotary furnace, increase the benefit, reduce discharge, saving the energy, is one of more advanced desirable dry back converter oxygen-rich combustion method.
Accompanying drawing explanation
Fig. 1 is system schematic of the present invention.
In figure, 1, magnetic energy oxygenerator, 2, voltage-regulating system, 3, oxygen supplying tube, 4, PLC intelligence system, 5, liquid oxygen storage tank, 6, gasifier, 7, booster pump, 8, pure oxygen heater, 9, kiln hood coal injection pipe terminal, 10, coal injection pipe of decomposing furnace terminal, 11, dry-process rotory kiln combustion system.
The specific embodiment
Be below specific embodiments of the invention, technical scheme of the present invention is described further, but protection scope of the present invention is not limited to these embodiment.Every do not deviate from the change of the present invention design or be equal to substitute include within protection scope of the present invention.
As shown in Figure 1, rotary furnace oxygen-enriched combustion-supporting, fine coal pure oxygen compensation energy-saving system, comprise dry-process rotory kiln combustion system 11, PLC intelligence system 4, magnetic energy oxygenerator 1 and liquid oxygen storage tank 5, the output of described magnetic energy oxygenerator 1 is connected with voltage-regulating system 2, voltage-regulating system 2 is connected with the kiln hood coal injection pipe terminal 9 of dry-process rotory kiln combustion system 11 by oxygen supplying tube 3, the output of described liquid oxygen storage tank 5 is connected with the input of gasifier 6, the output of gasifier 6 is connected with the input of booster pump 7, the output of booster pump 7 is connected with pure oxygen heater 8, pure oxygen heater 8 is connected with coal injection pipe of decomposing furnace terminal 10 with kiln hood coal injection pipe terminal 9 respectively by oxygen supplying tube 3, magnetic energy oxygenerator 1, voltage-regulating system 2, liquid oxygen storage tank 5, gasifier 6, booster pump 7 is all connected with PLC intelligence system 4, by PLC intelligence system 4, realize omnidistance computer online, touch screen is controlled, variable frequency adjustment, flow indication, pressure regulates, temperature is controlled, oxygen concentration is analyzed and pressure is controlled security alarm.
Magnetic energy oxygenerator 1 adopts intelligence control magnetic energy absorption oxygen enricher to produce 30% ± 2 oxygen-enriched combustion-supporting air, complete for the oxygen enrichment wind of oxygen-enriched combusting and produce, voltage-regulating system 2 carries out pressure balance adjusting by the oxygen enrichment wind of being produced by magnetic energy oxygenerator 1 makes its stable equilibrium, regulate the oxygen-enriched air after equilibrium to send in centre wind and combustion air pipeline with oxygen supplying tube 3 voltage-regulating system 2, complete mixedization of combustion air oxygen enrichment, thereby realize rotary furnace oxygen-enriched combustion-supporting.
PLC intelligence system: realize omnidistance, computer is online, touch screen control, variable frequency adjustment, flow indication, pressure regulate, temperature is controlled, oxygen concentration analysis and pressure are controlled intelligent controls such as security alarm.
Liquid oxygen storage tank 5 storing liquid oxygen, for fine coal compensation spray, the oxygen point while completing fine coal compensation improves, molecular matching, after the liquid oxygen output that liquid oxygen storage tank 5 is stored, by gasifier 6, is gasified, and completes gaseous state atomization, guarantees that after output be gas.Because the gaseous oxygen pressure after gasifier 6 gasifications changes, the required pressure that is difficult to finish the work, reaches required pressure requirement by booster pump 7 supercharging outputs.Low owing to exporting gaseous state pure oxygen temperature after gasification supercharging, sneak in fine coal and can make original temperature decline, therefore utilize heater to heat, reach application ideal temperature.
Kiln hood coal injection pipe terminal oxygen supply: will be sneaked in kiln hood coal injection pipe by the gaseous oxygen after 8 heating of pure oxygen heater, realize molecular matching, but because fine coal flow velocity in pipeline is too high, frictional force is large, sneaking into too early can be because producing fire by friction, because the mixed ratio of wind of fine coal is determined, sneak into too early and can change fine coal intensity, thereby be applied to terminal simultaneously, both changed above-mentioned 2 weak points, and made again oxygen enrichment effect reach maximization.
Coal injection pipe of decomposing furnace terminal oxygen supply: because coal injection pipe of decomposing furnace combustion air is by three high warm air circulation combustion-supportings, so spraying into, note oxygen must change at aforementioned 2 not enough time, pure oxygen and the mixed end that is installed on coal injection pipe of decomposing furnace than place of fine coal, both the heating of having avoided tertiary air high temperature is dangerous, make again oxygen and fine coal complete optimal mixedization, complete pure oxygen fine coal compensation technique.
The present invention is not limited to above-mentioned embodiment, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, within all falling into protection scope of the present invention.
The technology that the present invention does not describe in detail, shape, structure are partly known technology.
Claims (2)
1. rotary furnace oxygen-enriched combustion-supporting, fine coal pure oxygen compensation energy-saving system, it is characterized in that, comprise dry-process rotory kiln combustion system, PLC intelligence system, magnetic energy oxygenerator and liquid oxygen storage tank, the output of described magnetic energy oxygenerator is connected with voltage-regulating system, voltage-regulating system is connected with the kiln hood coal injection pipe terminal of dry-process rotory kiln combustion system by oxygen supplying tube, liquid oxygen in described liquid oxygen storage tank is exported by gasification by output, supercharging, after intensification, by oxygen supplying tube, be delivered to respectively kiln hood coal injection pipe terminal and coal injection pipe of decomposing furnace terminal, magnetic energy oxygenerator, voltage-regulating system, liquid oxygen storage tank, gasifier, booster pump is all connected with PLC intelligence system, by PLC intelligence system, realize omnidistance computer online, touch screen is controlled, variable frequency adjustment, flow indication, pressure regulates, temperature is controlled, oxygen concentration is analyzed and pressure is controlled security alarm.
2. rotary furnace oxygen-enriched combustion-supporting according to claim 1, fine coal pure oxygen compensation energy-saving system, it is characterized in that, the output of described liquid oxygen storage tank is connected with the input of gasifier, and the output of gasifier is connected with the input of booster pump, and supercharging delivery side of pump is connected with pure oxygen heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410461733.5A CN104197696A (en) | 2014-09-11 | 2014-09-11 | Oxygen-enriched combustion-supporting and pulverized coal pure-oxygen compensation energy conservation system of rotary kiln |
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| CN201410461733.5A CN104197696A (en) | 2014-09-11 | 2014-09-11 | Oxygen-enriched combustion-supporting and pulverized coal pure-oxygen compensation energy conservation system of rotary kiln |
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Cited By (4)
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| CN104613752A (en) * | 2015-01-05 | 2015-05-13 | 中钢集团鞍山热能研究院有限公司 | Secondary air oxygen-enrichment pulse combustion gas spraying device and method of rotary kiln |
| CN104677101A (en) * | 2015-01-28 | 2015-06-03 | 烟台九州环保节能科技有限公司 | Magnetization oxygen-enriched energy conservation and emission reduction system of gaseous suspension roaster |
| CN104748145A (en) * | 2015-01-28 | 2015-07-01 | 烟台九州环保节能科技有限公司 | Magnetic oxygen-enriched energy-saving burning system of tunnel kiln |
| CN114370760A (en) * | 2022-01-13 | 2022-04-19 | 江西云锂材料股份有限公司 | Spodumene transformation type oxygen-enriched roasting method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613752A (en) * | 2015-01-05 | 2015-05-13 | 中钢集团鞍山热能研究院有限公司 | Secondary air oxygen-enrichment pulse combustion gas spraying device and method of rotary kiln |
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| CN104677101A (en) * | 2015-01-28 | 2015-06-03 | 烟台九州环保节能科技有限公司 | Magnetization oxygen-enriched energy conservation and emission reduction system of gaseous suspension roaster |
| CN104748145A (en) * | 2015-01-28 | 2015-07-01 | 烟台九州环保节能科技有限公司 | Magnetic oxygen-enriched energy-saving burning system of tunnel kiln |
| CN114370760A (en) * | 2022-01-13 | 2022-04-19 | 江西云锂材料股份有限公司 | Spodumene transformation type oxygen-enriched roasting method |
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Application publication date: 20141210 |