CN201925895U - Heater system for utilizing renewable energy source to assist coal combustion - Google Patents
Heater system for utilizing renewable energy source to assist coal combustion Download PDFInfo
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- CN201925895U CN201925895U CN2010206111289U CN201020611128U CN201925895U CN 201925895 U CN201925895 U CN 201925895U CN 2010206111289 U CN2010206111289 U CN 2010206111289U CN 201020611128 U CN201020611128 U CN 201020611128U CN 201925895 U CN201925895 U CN 201925895U
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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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 relates to a heater system for utilizing a renewable energy source to assist coal combustion, which is used for reducing power generation coal consumption and the environmental pollution. The utility model has the technical scheme that the heater system comprises a heater and a tandem auxiliary system, wherein the tandem auxiliary system is formed by connecting biomass gasification equipment with a paraboloid solar thermal collector field in series. The working medium outlet of the tandem auxiliary system is connected with the steam inlet of the heater through a steam outlet valve of the tandem auxiliary system, and the working medium inlet of the tandem auxiliary system is connected with the drainage outlet of the heater through a drainage inlet valve of the tandem auxiliary system. In the utility model, solar energy and biomass energy are simultaneously introduced into the traditional coal-fired power plant heater system; various renewable energy source forms are fully utilized; not only is the advantage that the biomass energy source is rich utilized but also an energy utilization structure is regulated, the energy utilization ratio is improved, and the carbon dioxide emissions are reduced.
Description
Technical field
The utility model relates to a kind of biomass energy and solar energy of effectively utilizing and improves coal fired power generation efficient, realizes the novel auxiliary heater system of low-carbon emission, belongs to the renewable energy utilization technical field.
Background technology
At present, power industry is still based on thermal power generation, and the used fuel of thermal power generation mainly is coal, and harmful gas emission such as this generation mode coal consumption height, capacity usage ratio are low, carbon dioxide is big, and environmental pollution is serious.
Along with the adjustment of world energy sources policy, the development low-carbon economy becomes trend of the times with strengthening the environmental administration.Chinese Government determines the CO2 emission of the year two thousand twenty nationwide units GDP than decline 40-45% in 2005, and includes " 12 " and subsequent national economy and social development medium-term and long-term plans in as restrictive index.And according to the preliminary statistics, Chinese thermal power plant emission amount of carbon dioxide reaches the nearly 60% more than of total release, therefore, and key subjects of carrying out that energy-saving and emission-reduction have become that the thermal power plant must face and urgent task.
The available biomass energy of China is very abundant, and annual according to statistics spendable biomass energy and total amount are equivalent to 500,000,000 tons of standard coals, and actual year utilization rate less than 2%, so potentiality to be exploited is huge.In addition, solar energy resources is also very abundant, and that solar electrical energy generation has is safe and reliable, long service life, operating cost is few, maintenance is simple, noiseless, need not fuel, advantage such as pollution-free, and solar utilization technique reaches its maturity.In all kinds of solar thermal collectors, paraboloid trough type solar heat-collector belongs to a kind of medium-temperature collectors, it can be heated to working medium 400 ℃, and utilizing this heat collector collection solar heat to generate electricity is the solar energy thermal-power-generating mode of present unique realization commercial operation.
In view of this, by integrating biomass energy and the low-carbon emission advantage of solar energy and the technical advantage of traditional thermal power generation, the utilization of biomass energy and solar energy united introduce in traditional coal-burning power plant system, certainly will be able to effectively improve and the feature of environmental protection and the economy of raising system generating.
The utility model content
The purpose of this utility model is to provide a kind of heater system of renewable energy resource assistant coal, with coal consumption, the high pollution of minimizing environment that reduces traditional coal generating system.
Problem described in the utility model realizes with following technical proposals:
A kind of heater system of renewable energy resource assistant coal, comprise heater and series connection accessory system in the formation, described series connection accessory system is composed in series by biomass gasification device and paraboloid trough type solar heat-collector field, its sender property outlet connects the steam inlet of heater through series connection accessory system steam outlet valve, and its working medium inlet connects the hydrophobic outlet of heater through the hydrophobic inlet valve of series connection accessory system.
The heater system of above-mentioned renewable energy resource assistant coal, also comprise the tower type solar air preheating system in the formation, described tower type solar air preheating system is made up of compressor and tower type solar heat collector, the compressed air of described compressor output uses for biomass gasification device after the preheating of tower type solar heat collector.
The heater system of above-mentioned renewable energy resource assistant coal, described biomass gasification device is made of biomass fluid bed gasification furnace and combustion heat-exchange device, its inlet is provided with the biomass gasification device inlet valve, outlet is provided with the biomass gasification device outlet valve, and biomass gasification device inlet valve, biomass gasification device outlet valve two ends are parallel with the biomass gasification device bypass valve; Described paraboloid trough type solar heat-collector field is formed by connecting by a plurality of paraboloid trough type solar heat-collector series and parallels, its inlet is provided with paraboloid trough type solar heat-collector field inlet valve, outlet is provided with paraboloid trough type solar heat-collector field outlet valve, and paraboloid trough type solar heat-collector field inlet valve, outlet valve two ends, paraboloid trough type solar heat-collector field are parallel with paraboloid trough type solar heat-collector field bypass valve.
The heater system of above-mentioned renewable energy resource assistant coal, the inlet of described compressor are provided with tower type solar air preheating system air inlet valve; The inlet of described tower type solar heat collector is provided with tower type solar heat collector inlet valve, and outlet is provided with tower type solar heat collector outlet valve; Tower type solar heat collector inlet valve, tower type solar heat collector outlet valve two ends tower type solar heat collector in parallel bypass valve.
The utility model has increased the accessory system of being connected and being constituted by biomass gasification device and paraboloid trough type solar heat-collector field on the basis of traditional coal-burning power plant heater system, the series connection accessory system is united and is utilized biomass energy and solar energy that hydrophobic being heated to of the part of heater had heater steamer pusher side at the corresponding levels and draw gas and send heater back to behind the steam of parameter, these steam with special parameter replace all or part of steamer pusher side to draw gas emitting heat in heater, heating is from the feedwater of upper level heater, thereby reduced the heater steamer pusher side amount of drawing gas at the corresponding levels, keeping under the constant situation of unit generation amount, coal consumption amount is obviously reduced, effectively reduce emission amount of carbon dioxide.
The tower type solar heat collector is used to heat the cold air that enters biomass gasification device, improves the gasification furnace gasification efficiency, reduces the use amount of biomass material.Biomass gasification device, paraboloid trough type solar heat-collector field and tower type solar heat collector are imported and exported and all are provided with valve, can play the effect of this device of parallel off when equipment breaks down, in case influence the normal operation of system.
The utility model is incorporated into solar energy and biomass energy in traditional coal-burning power plant heater system simultaneously, made full use of multiple regenerative resource form, not only utilize the abundant advantage of biomass energy, and adjusted the using energy source structure, improved efficiency of energy utilization.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a system of the present utility model connection layout;
Fig. 2 is a paraboloid trough type solar heat-collector field structure schematic diagram;
Fig. 3 is the structural representation of paraboloid trough type solar heat-collector;
Fig. 4 is the fundamental diagram of tower type solar heat collector;
Fig. 5 is the structural representation of tower type solar heat collector;
Fig. 6 is the structural representation of biomass fluid bed gasification furnace.
Each label is among the figure: 1, heater; 2, upper level heater; 3, next stage heater; 4, the heater steam valve that draws gas; 5, tower type solar air preheating system air inlet valve; 6, heater condensate valve; 7, tower type solar heat collector bypass valve; 8, the hydrophobic inlet valve of series connection accessory system; 9, series connection accessory system steam outlet valve; 10, biomass gasification device; 11, paraboloid trough type solar heat-collector field; 12, compressor; 13, biomass gasification device inlet valve; 14, biomass gasification device outlet valve; 15, paraboloid trough type solar heat-collector field inlet valve; 16, paraboloid trough type solar heat-collector field outlet valve; 17, tower type solar heat collector; 18, tower type solar heat collector inlet valve; 19, tower type solar heat collector outlet valve; 20, fluidized bed material; 21, combustion gas; 22, paraboloid trough type solar heat-collector; 23, tower heat collector; 24, tower type solar air preheating system concentrator; 25, heat exchanger tube; 26, paraboloid trough type concentrator; 27, hopper; 28, blower fan; 29, biomass gasification device bypass valve; 30, paraboloid trough type solar heat-collector field bypass valve.
The specific embodiment
Referring to Fig. 1, the utility model provides the heater system of a kind of living beings and solar energy assisted coal fired power plant.This system is made up of heater 1, series connection accessory system, tower type solar air preheating system and various associated conduit and valve, and the accessory system of wherein connecting is in series by biomass gasification device 10 and paraboloid trough type solar heat-collector field 11; The tower type solar air preheating system is composed in series by compressor 12 and tower type solar heat collector 17.
Referring to Fig. 2,3, paraboloid trough type solar heat-collector field 11 is combined through the series and parallel connected mode by paraboloid trough type solar heat-collector 22, paraboloid trough type solar heat-collector 22 is made up of paraboloid trough type concentrator 26 and heat exchanger tube 25, there is working medium to flow in the heat exchanger tube 25, paraboloid trough type concentrator 26 is pooled to the solar radiation reflect heat on the heat exchanger tube 25, the working medium that heating is wherein flowed, the hot temperature of its maximum set can reach 400 ℃.The paraboloid trough type solar heat-collector that the utility model adopted can be selected the SGX-1 or the DS-1 of U.S. Solargenix company for use, the LS-1 of Luz company, LS-2 or LS-3.
Referring to Fig. 4,5, tower type solar heat collector 17 is made up of concentrator battle array and tower heat collector 23, the concentrator battle array is made up of a large amount of tower type solar air preheating system concentrators 24, solar radiant energy is reflexed on the same tower heat collector 23, working medium can be heated to higher temperature by this thermal-arrest mode, can be with air heat to 800 ℃.
Referring to Fig. 1, system flow is: the hydrophobic of heater 1 flowed out by heater condensate outlet b, enter the series connection accessory system through the hydrophobic inlet valve 8 of series connection accessory system, hydrophobicly absorb heat in the accessory system in series connection, when hydrophobic being heated to form has this level steam turbine side and draw gas behind the steam of parameter, steam enters heater 1 by series connection accessory system steam outlet valve 9 and carries out heat release, heating is from the feedwater of upper level heater 2, feedwater heat absorption back increasing temperature and pressure enters next stage heater 3, and after the heat release the hydrophobic hydrophobic pipeline of the part of condensation by heater 1 enter again the series connection accessory system circulate all the other hydrophobic hydrophobic inlets that enter the upper level heater by heater condensate valve 6.
The flow process of the series connection accessory system that is made of biomass gasification device 10 and paraboloid trough type solar heat-collector field 11 is: hydrophobic by the hydrophobic inlet valve 8 of series connection accessory system, biomass gasification device inlet valve 13 enters in the biomass gasification device 10 (the gasification furnace generation high-temperature fuel gas in the biomass gasification device that absorbs heat, high-temperature fuel gas burns in the combustion heat-exchange device and emits a large amount of heats, hydrophobic entering in the combustion heat-exchange device, absorb this part heat, hydrophobic temperature and pressure is raise), the hydrophobic biomass gasification device outlet valve 14 that passes through after the increasing temperature and pressure, paraboloid trough type solar heat-collector field inlet valve 15 enters in the paraboloid trough type solar heat-collector field 11 and further to absorb heat and (by the paraboloid trough type concentrator solar radiation is reflexed on the heat exchanger tube, hydrophobic mobile in heat exchanger tube, the radiations heat energy that absorbs solar energy raises drain temperature and pressure), when hydrophobic being heated to form by said process has heater steamer pusher side at the corresponding levels when drawing gas the steam of parameter, steam is by paraboloid trough type solar heat-collector field outlet valve 16, series connection accessory system steam outlet valve 9 enters heated feed water in the heater 1.
Biomass gasification device bypass valve 29 and paraboloid trough type solar heat-collector field bypass valve 30 are connected in parallel on the both sides of the both sides of biomass gasification device inlet valve 13, biomass gasification device outlet valve 14 and paraboloid trough type solar heat-collector field inlet valve 15, paraboloid trough type solar heat-collector field outlet valve 16 respectively, play the effect of parallel off biomass gasification device 10 and paraboloid trough type solar heat-collector field 11 under the accident condition.
The flow process of tower type solar air preheating system is: cold air enters compressor 12 through tower type solar air preheating system air inlet valve 5 and is compressed, compressed air enters tower type solar heat collector 17 by tower type solar heat collector inlet valve 18, (the concentrator battle array reflexes to solar radiation on the heat collector to absorb solar radiation heat rising temperature, compressed air enters in the heat collector and to absorb this part heat and improve self temperature), high temperature air with certain parameter enters biomass gasification device 10 through tower type solar heat collector outlet valve 19, accurately say so biomass fluid bed gasification furnace in the biomass gasification device 10, replace cold air to enter the gasification furnace fluidized bed material, keep the gasification environment temperature, improve the gasification furnace gasification efficiency, reduce the use amount of biomass material.Tower type solar heat collector bypass valve 7 is parallel to tower type solar heat collector inlet valve 18 and tower type solar heat collector outlet valve 19 two ends, can play the effect of bypass tower type solar heat collector 17.
When the fine solar energy of weather is enough sufficient, open tower type solar air preheating system air inlet valve 5, tower type solar heat collector inlet valve 18, tower type solar heat collector outlet valve 19, close tower type solar heat collector bypass valve 7, make cold air become compressed air and enter in the tower type solar heat collector 17 and to absorb heat and become hot-air, enter then in the biomass gasification device 10 and participate in biomass gasification process with certain parameter through compressor 12; Close the heater steam valve 4 that draws gas, close the heater condensate valve 6 that connects upper level heater condensate inlet, open series connection accessory system hydrophobic inlet valve 8, biomass gasification device inlet valve 13, biomass gasification device outlet valve 14, paraboloid trough type solar heat-collector field inlet valve 15, paraboloid trough type solar heat-collector field outlet valve 16, make hydrophobicly to absorb heats by biomass gasification device 10 and paraboloid trough type solar heat-collector field 11 successively and carry out increasing temperature and pressure.When hydrophobic in the series connection accessory system heat absorption become and have heater steamer pusher side at the corresponding levels and draw gas behind the steam of parameter, through series connection accessory system steam outlet valve 9 steam is entered in the heater 1, carry out the heat release heated feed water.
When the overcast and rainy solar energy of weather is not enough, open tower type solar air preheating system air inlet valve 5, tower type solar heat collector inlet valve 18, tower type solar heat collector outlet valve 19, close tower type solar heat collector bypass valve 7, make cold air become compressed air and enter in the tower type solar heat collector 17 and to absorb heat and become hot-air, enter then in the biomass gasification device 10 and participate in biomass gasification process with certain parameter through compressor 12; Appropriateness is adjusted heater extraction valve 4 apertures, close the heater condensate valve 6 that connects upper level heater condensate inlet, open series connection accessory system hydrophobic inlet valve 8, biomass gasification device inlet valve 13, biomass gasification device outlet valve 14, paraboloid trough type solar heat-collector field inlet valve 15, paraboloid trough type solar heat-collector field outlet valve 16, make hydrophobicly to absorb heats by biomass gasification device 10 and paraboloid trough type solar heat-collector field 11 successively and carry out increasing temperature and pressure; When hydrophobic in the series connection accessory system heat absorption become and have heater steamer pusher side at the corresponding levels and draw gas behind the steam of parameter, enter through series connection accessory system steam outlet valve 9 and carry out the heat release heated feed water in the heater 1.
When night or when not having solar energy and can utilize, open tower type solar air preheating system air inlet valve 5, tower type solar heat collector bypass valve 7, close tower type solar heat collector inlet valve 18, tower type solar heat collector outlet valve 19, make tower type solar heat collector parallel off from system, directly enter in the biomass gasification device 10 and participate in biomass gasification process thereby make cold air become compressed air through compressor 12, this moment, biomass gasification device was the normal temperature operating condition; Adjust heater steam valve 4 apertures of drawing gas, close the heater condensate valve 6 that connects upper level heater condensate inlet, close paraboloid trough type solar heat-collector field inlet valve 15, paraboloid trough type solar heat-collector field outlet valve 16, open the auxiliary hydrophobic inlet valve 8 of association system of series connection, biomass gasification device inlet valve 13, biomass gasification device outlet valve 14, open paraboloid trough type solar heat-collector field bypass valve 30, make hydrophobic by biomass gasification device 10 absorption heats, when hydrophobic being heated to form has heater steamer pusher side at the corresponding levels and draw gas behind the steam of parameter, through series connection accessory system steam outlet valve 9, make steam enter in the heater heated feed water that releases energy in 1.
When break down in biomass gasification device 10 or paraboloid trough type solar heat-collector field 11, can close biomass gasification device inlet valve 13 respectively, biomass gasification device outlet valve 14, open biomass gasification device bypass valve 29, or close paraboloid trough type solar heat-collector field inlet valve 15, paraboloid trough type solar heat-collector field outlet valve 16, open paraboloid trough type solar heat-collector field bypass valve 30, bypass biomass gasification device 10 or paraboloid trough type solar heat-collector field 11, and do not influence the operation of other equipment of combined generating system, guarantee the combined generating system operate as normal.
When tower type solar heat collector 17 breaks down, can be by closing tower type solar heat collector inlet valve 18 and tower type solar heat collector outlet valve 19, open tower type solar heat collector bypass valve 7 and realize bypassing tower type solar heat collector 17, and do not influence other equipment operations, guarantee the operate as normal of hybrid power system.
Claims (4)
1. the heater system of a renewable energy resource assistant coal, it is characterized in that, during constituting, heater system comprises heater (1) and series connection accessory system, described series connection accessory system is composed in series by biomass gasification device (10) and paraboloid trough type solar heat-collector field (11), its sender property outlet connects the steam inlet (a) of heater (1) through series connection accessory system steam outlet valve (9), and its working medium inlet connects the hydrophobic outlet (b) of heater through the series connection hydrophobic inlet valve of accessory system (8).
2. according to the heater system of the described renewable energy resource assistant coal of claim 1, it is characterized in that, also comprise the tower type solar air preheating system in the heater system, described tower type solar air preheating system is made up of compressor (12) and tower type solar heat collector (17), the compressed air of described compressor (12) output uses for biomass gasification device (10) after tower type solar heat collector (17) preheating.
3. according to the heater system of claim 1 or 2 described renewable energy resource assistant coals, it is characterized in that, described biomass gasification device (10) is made of biomass fluid bed gasification furnace and combustion heat-exchange device, its inlet is provided with biomass gasification device inlet valve (13), outlet is provided with biomass gasification device outlet valve (14), and biomass gasification device inlet valve (13), biomass gasification device outlet valve (14) two ends are parallel with biomass gasification device bypass valve (29); Described paraboloid trough type solar heat-collector field (11) is formed by connecting by a plurality of paraboloid trough type solar heat-collectors (22) series and parallel, its inlet is provided with paraboloid trough type solar heat-collector field inlet valve (15), outlet is provided with paraboloid trough type solar heat-collector field outlet valve (16), and paraboloid trough type solar heat-collector field inlet valve (15), paraboloid trough type solar heat-collector field outlet valve (16) two ends are parallel with paraboloid trough type solar heat-collector field bypass valve (30).
4. according to the heater system of the described renewable energy resource assistant coal of claim 3, it is characterized in that the inlet of described compressor (12) is provided with tower type solar air preheating system air inlet valve (5); The inlet of described tower type solar heat collector (17) is provided with tower type solar heat collector inlet valve (18), and outlet is provided with tower type solar heat collector outlet valve (19); Tower type solar heat collector inlet valve (18), tower type solar heat collector outlet valve (19) two ends tower type solar heat collector bypass valve (7) in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206111289U CN201925895U (en) | 2010-11-17 | 2010-11-17 | Heater system for utilizing renewable energy source to assist coal combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206111289U CN201925895U (en) | 2010-11-17 | 2010-11-17 | Heater system for utilizing renewable energy source to assist coal combustion |
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| Publication Number | Publication Date |
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| CN201925895U true CN201925895U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206111289U Expired - Fee Related CN201925895U (en) | 2010-11-17 | 2010-11-17 | Heater system for utilizing renewable energy source to assist coal combustion |
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| CN (1) | CN201925895U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291567A (en) * | 2012-02-29 | 2013-09-11 | 深圳市阳能科技有限公司 | Solar biomass series-connection complementary power generation system |
| CN107699287A (en) * | 2017-11-13 | 2018-02-16 | 青海大学 | Photo-thermal refuse pyrolysis gasification system |
-
2010
- 2010-11-17 CN CN2010206111289U patent/CN201925895U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291567A (en) * | 2012-02-29 | 2013-09-11 | 深圳市阳能科技有限公司 | Solar biomass series-connection complementary power generation system |
| CN107699287A (en) * | 2017-11-13 | 2018-02-16 | 青海大学 | Photo-thermal refuse pyrolysis gasification system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20131117 |