CN105499259A - Solid waste handling combined power generation method and system based on organic Rankine cycle - Google Patents
Solid waste handling combined power generation method and system based on organic Rankine cycle Download PDFInfo
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- CN105499259A CN105499259A CN201610035060.6A CN201610035060A CN105499259A CN 105499259 A CN105499259 A CN 105499259A CN 201610035060 A CN201610035060 A CN 201610035060A CN 105499259 A CN105499259 A CN 105499259A
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- 239000002910 solid waste Substances 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 67
- 238000010248 power generation Methods 0.000 title abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 89
- 239000012530 fluid Substances 0.000 claims description 35
- 238000000197 pyrolysis Methods 0.000 claims description 31
- 230000005611 electricity Effects 0.000 claims description 29
- 239000007789 gas Substances 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 19
- 238000002309 gasification Methods 0.000 claims description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 9
- 239000003546 flue gas Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 5
- 239000002912 waste gas Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005336 cracking Methods 0.000 abstract description 16
- 239000003921 oil Substances 0.000 description 47
- 238000002485 combustion reaction Methods 0.000 description 8
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 7
- 239000000126 substance Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/30—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a fluidised bed
-
- 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
- Y02E20/12—Heat utilisation in combustion or incineration of waste
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a solid waste handling combined power generation method based on organic Rankine cycle and a solid waste handling combined power generation system based on the organic Rankine cycle. The system comprises a solid waste drying device, a cracking device, a fluidized-bed furnace, a heat energy circulating device, a solar thermal collector and organic Rankine power generation equipment, wherein the solid waste drying device is used for drying solid waste to remove moisture in the solid waste; the cracking device is used for cracking and gasifying the dried solid waste, so as to obtain a cracked product; the fluidized-bed furnace is connected with the cracking device and is used for burning the cracked product; the heat energy circulating device is used for collecting heat energy generated when the fluidized-bed furnace burns the cracked product and transfers the heat energy in a combined power generation system sequentially through the fluidized-bed furnace, the organic Rankine power generation equipment and the solid waste drying device; the solar thermal collector is used for converting the solar energy into heat energy; and the organic Rankine power generation equipment is used for acquiring the heat energy through the heat energy circulating device and converting the heat energy into electric energy. According to the method and the system, the problem of wasting of resources as the heat energy generated by treatment of the solid waste can not be fully utilized is solved.
Description
Technical field
The present invention relates to fixed-end forces field, in particular to a kind of fixed-end forces cogeneration method based on Organic Rankine Cycle and system.
Background technology
At present, when processing solid waste, the mode of burning that adopts processes more.Although, utilize the mode of burning, can process solid waste easily.But, when burning, insufficient owing to burning, very easily produce a large amount of dioxin, cause the secondary pollution for environment.Further, when burning to solid waste, a large amount of heat energy can be produced.
For the dioxin how avoiding producing due to solid waste burn incompletely, and how Appropriate application is carried out to the heat energy produced during burning, not yet propose effective solution at present.
Summary of the invention
Embodiments provide a kind of fixed-end forces cogeneration method based on Organic Rankine Cycle and system, at least to solve owing to cannot make full use of the heat energy produced during fixed-end forces, the technical problem of the wasting of resources caused.
According to an aspect of the embodiment of the present invention, provide a kind of fixed-end forces combined generating system based on Organic Rankine Cycle, comprising: solid waste drying device, for carrying out drying process to solid waste, remove the moisture in solid waste; Cracker, for the solid waste after drying process is carried out pyrolysis gasification process, obtains crackate, and wherein, crackate at least comprises: cracked gas and solid residue; Fluid bed furnace, is connected with cracker, for carrying out burning process to crackate; Heat energy circulating device, successively by fluid bed furnace, organic Lang Ken generating equipment and solid waste drying device, the heat energy produced during for gathering fluid bed furnace combustion cracking product, and heat energy is passed in organic Lang Ken generating equipment and solid waste drying device; Solar thermal collector, for converting solar energy into heat energy, and heats conduction oil; Organic Lang Ken generating equipment, for obtaining heat energy by heat energy circulating device, is transferred to electric energy by heat energy.
Further, heat energy circulating device comprises: First Heat Exchanger, for receiving the heat energy transmitted by conduction oil, and is passed in organic Lang Ken generating equipment; Second heat exchanger, is arranged at the downstream of First Heat Exchanger, for receiving the heat energy of conduction oil transmission, and is passed in solid waste drying device; Oil circulating pump, is forced into the first pressure by conduction oil, and conduction oil is conducted through successively fluid bed furnace, First Heat Exchanger and the second heat exchanger.
Further, combined generating system also comprises: flue gas purification system, is connected with cracker and fluid bed furnace, for the treatment of the waste gas that cracker and fluid bed furnace generate.
Further, combined generating system also comprises: heat-conducting oil furnace, for heating conduction oil.
Further, solid waste drying device, comprising: drying oven, for carrying out drying process to solid waste; First feed arrangement, is connected with drying oven, for drying oven conveying solid substance waste material.
Further, cracker, comprising: pyrolysis furnace, for the solid waste through super-dry process is carried out pyrolysis gasification process, obtains cracked gas and solid residue; Second feed arrangement, is connected with drying oven and pyrolysis furnace respectively, for the solid waste through super-dry process is delivered to pyrolysis furnace.
Further, First Heat Exchanger is organic working medium heat exchanger.
Further, organic Lang Ken generating equipment, comprising: organic working medium evaporimeter, is arranged at the downstream of organic working medium heat exchanger, for gasifying as organic gas by organic working medium; Organic Lang Ken generating set, utilizes the organic working medium evaporimeter organic gas obtained that gasifies to generate electricity; Organic working medium cooler, is cooled to liquid organic working medium by the organic gas after generating; Organic working medium circulating pump, for organic working medium is forced into the second pressure, and is conducted through organic working medium heat exchanger by organic working medium.
According to the another aspect of the embodiment of the present invention, additionally provide a kind of fixed-end forces cogeneration method based on Organic Rankine Cycle, comprising: drying process is carried out to the solid waste collected, removes the moisture in solid waste; Solid waste through super-dry process is carried out pyrolysis gasification process, obtains crackate, wherein, crackate at least comprises: cracked gas and solid residue; Burning process is carried out to crackate, the heat energy produced when gathering burning; Be electric energy by organic Lang Ken electricity generation system by thermal energy.
Further, after by organic Lang Ken electricity generation system thermal energy being electric energy, method also comprises: utilize heat-conducting oil furnace and/or solar thermal collector as Secondary Heat Source, for organic Lang Ken electricity generation system provides heat energy.
In embodiments of the present invention, adopt and drying process is carried out to the solid waste collected, remove the moisture in solid waste; Solid waste through super-dry process is carried out pyrolysis gasification process, obtains crackate, wherein, crackate at least comprises: cracked gas and solid residue; Burning process is carried out to crackate, the heat energy produced when gathering burning; Be the mode of electric energy by organic Lang Ken electricity generation system by thermal energy, by solid waste drying device, for carrying out drying process to solid waste, remove the moisture in solid waste; Cracker, for the solid waste after drying process is carried out pyrolysis gasification process, obtains crackate, and wherein, crackate at least comprises: cracked gas and solid residue; Fluid bed furnace, is connected with cracker, for carrying out burning process to crackate; Heat energy circulating device, successively by fluid bed furnace, organic Lang Ken generating equipment and solid waste drying device, the heat energy produced during for gathering fluid bed furnace combustion cracking product, and heat energy is passed in organic Lang Ken generating equipment and solid waste drying device; Solar thermal collector, for converting solar energy into heat energy, and heats conduction oil; Organic Lang Ken generating equipment, for obtaining heat energy by heat energy circulating device, heat energy is transferred to electric energy, reach the object that generation crackate and heat during solid waste process are made full use of, thus achieve the technique effect that can also generate electricity while solid waste is processed, and then solve owing to cannot make full use of the heat energy produced during fixed-end forces, the technical problem of the wasting of resources caused.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is a kind of optional schematic diagram based on the fixed-end forces combined generating system of Organic Rankine Cycle according to the embodiment of the present invention;
Fig. 2 is a kind of optional schematic diagram based on the fixed-end forces combined generating system of Organic Rankine Cycle according to the embodiment of the present invention; And
Fig. 3 is a kind of optional flow chart based on the fixed-end forces cogeneration method of Organic Rankine Cycle according to the embodiment of the present invention.
Detailed description of the invention
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
It should be noted that, term " first ", " second " etc. in description of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiments of the invention described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
According to the embodiment of the present invention, provide a kind of system embodiment of the fixed-end forces combined generating system based on Organic Rankine Cycle, Fig. 1 is the schematic diagram of the fixed-end forces combined generating system based on Organic Rankine Cycle according to the embodiment of the present invention, as shown in Figure 1, this system comprises: solid waste drying device 10, cracker 20, fluid bed furnace 30, heat energy circulating device 40, solar thermal collector 50 and organic Lang Ken generating equipment 60.
Wherein, solid waste drying device 10, for carrying out drying process to solid waste, removes the moisture in solid waste; Cracker 20, for the solid waste after drying process is carried out pyrolysis gasification process, obtains crackate, and wherein, crackate at least comprises: cracked gas and solid residue; Fluid bed furnace 30, is connected with cracker 20, for carrying out burning process to crackate; Heat energy circulating device 40, successively by fluid bed furnace 30, organic Lang Ken generating equipment 60 and solid waste drying device 10, the heat energy produced during for gathering fluid bed furnace 30 combustion cracking product, and heat energy is passed in organic Lang Ken generating equipment 60 and solid waste drying device 10; Solar thermal collector 50, for converting solar energy into heat energy, and heats conduction oil; Organic Lang Ken generating equipment 60, for obtaining heat energy by heat energy circulating device 40, is transferred to electric energy by heat energy.
Concrete, the rotary furnace that solid waste drying device 10 heats inside and outside can using simultaneously.First, solid waste enters solid waste drying device 10 by the first charging aperture 01, is heated, carry out drying process, make the water vapour rapid evaporation in solid waste to solid waste by the flue gas of the outer layer interlayer of drying oven and the conduction oil of inside to solid waste.
Then, by carrying out the solid waste after dry process, cracker 20 is inputed to by the second charging aperture 02.Solid waste is high-temperature cracked into gaseous organic substance and solid residue in cracker 20.Wherein, gaseous organic substance can be delivered in cracker 20 and fluid bed furnace 30 and use as fuel.Solid residue can be delivered to connect in fluid bed furnace 30 and carry out high-temp combustion, thus the generation of dioxin can be avoided.The high-temperature flue gas that cracker 20 produces in cracking process can also be delivered to the outside interlayer of solid waste drying device 10, as the thermal source of solid waste drying device 10, drying process be carried out to solid waste.Meanwhile, the conduction oil in solar thermal collector 50 pairs of heat energy circulating devices 40 can be utilized to heat.Wherein, solar thermal collector 50 can adopt groove type solar thermal collector, also can adopt butterfly solar thermal collector, be not specifically limited herein.
Further, cracker 20 and fluid bed furnace 30 burn the heat produced, and may be used for heating the conduction oil in heat energy circulating device 40.By heat energy circulating device 40, the conduction oil after heating is delivered in the middle of organic Lang Ken generating equipment 60 and solid waste drying device 10.Wherein, Lang Ken generating equipment 60 obtains heat energy by organic working medium heat exchanger from conduction oil, and generates electricity.Solid waste drying device 10 utilizes remaining heat energy to carry out drying process to solid waste.
In addition, in cracking process, the gaseous organic substance produced and solid residue often can not meet the needs of cracker 20 and fluid bed furnace 30, therefore, the fuel gas such as natural gas, coal gas can also be utilized as fuel, thus meet the cracking process in cracker 20 and the high-temp combustion in fluid bed furnace 30.
In the technical scheme of the present embodiment, by carrying out drying process with the inside and outside rotary furnace heated simultaneously to solid waste, revolution pyrolysis furnace is used to utilize the mode of anoxybiotic cracking to carry out cracking process to solid waste, and utilize fluid bed furnace to carry out high-temperature process to crackate, thus avoid the generation of the dioxin when fixed-end forces.And, utilize drying process, cracking process and high-temperature process time the heat that produces conduction oil is heated, and by conduction oil, heat energy is conducted, simultaneously, be that supplemental heat source heats conduction oil with solar thermal collector, thus utilize heat energy to drive organic Lang Ken generating equipment to generate electricity.Thus while carrying out fixed-end forces, can also electric energy be obtained.Adopt organic Lang Ken electricity generation system compared with conventional vapor electricity generation system, device structure and flow process are more succinct, and the Load Regulation of electricity generation system is more flexible.
In sum, by above-mentioned solid waste drying device 10, cracker 20, fluid bed furnace 30, heat energy circulating device 40, solar thermal collector 50 and organic Lang Ken generating equipment 60, the object that generation crackate and heat during solid waste process are made full use of can be reached, achieve the technique effect that can also generate electricity while solid waste is processed, solve owing to cannot make full use of the heat energy produced during fixed-end forces, the problem of the wasting of resources caused.
As the optional embodiment of one, can also comprise in based on the fixed-end forces combined generating system of Organic Rankine Cycle: flue gas purification system 70.Wherein, flue gas purification system 70 is connected with cracker 20 and fluid bed furnace 30, for the treatment of the waste gas that cracker 20 and fluid bed furnace 30 generate.
Concrete, the waste gas that cracker 20 and fluid bed furnace 30 produce can be collected by flue gas purification system 70, and focus on, thus avoid the secondary pollution for environment.
As the optional embodiment of one, heat energy circulating device 40 comprises: First Heat Exchanger 401, second heat exchanger 403 and oil circulating pump 405.
Wherein, First Heat Exchanger 401, for receiving the heat energy transmitted by conduction oil, and is passed in organic Lang Ken generating equipment 60; Second heat exchanger 403, is arranged at the downstream of First Heat Exchanger 401, for receiving the heat energy of conduction oil transmission, and is passed in solid waste drying device 10; Oil circulating pump 405, is forced into the first pressure by conduction oil, and conduction oil is conducted through successively fluid bed furnace 30, First Heat Exchanger 401 and the second heat exchanger 403.
As the optional embodiment of one, above-mentioned oil circulating pump 405 is utilized to make the conduction oil in heat energy circulating device 40 at fluid bed furnace 30, circulate between organic Lang Ken generating equipment 60 and solid waste drying device 10.Wherein, above-mentioned First Heat Exchanger 401 can use conduction oil-organic working medium heat exchanger, the heat conducted by conduction oil can be passed in the middle of the organic working medium in the middle of organic Lang Ken electricity generation system by First Heat Exchanger 401, thus utilize organic Lang Ken generator to generate electricity.Utilize above-mentioned second heat exchanger 403 to be passed in solid waste drying device 10 by the remaining heat in conduction oil, drying process is carried out to solid waste.Wherein, in above-mentioned heat energy circulating device, conduction oil first by organic Lang Ken generating equipment 60, then passes through solid waste drying device 10.
As the optional embodiment of one, as shown in Figure 2, combined generating system can also comprise: heat-conducting oil furnace 80.
Wherein, heat-conducting oil furnace 80, for heating conduction oil.
Concrete, owing to being heated by cracker 20, fluid bed furnace 30 and solar thermal collector 50 pairs of conduction oils, the requirement that organic Lang Ken generating equipment 60 is generated electricity by way of merging two or more grid systems sometimes can not be met.Further, when not processing solid waste, organic Lang Ken generating equipment 60 can not generate electricity.In order to meet the demand continuing generating, can add independently heat-conducting oil furnace 80 in combined generating system, the heat energy produced in fixed-end forces process can not meet when sending out some demand, can carry out auxiliary heating by startup heat-conducting oil furnace 80 pairs of conduction oils.Wherein, heat-conducting oil furnace 80 as firing equipment for subsequent use, when using during shortage of heat in combined generating system.
As the optional embodiment of one, as shown in Figure 2, above-mentioned solid waste drying device 10, comprising: drying oven 101 and the first feed arrangement 103.
Wherein, drying oven 101, for carrying out drying process to solid waste; First feed arrangement 103, is connected with drying oven, for drying oven conveying solid substance waste material.
Concrete, the first feed arrangement 103 can adopt spiral feed system, and drying oven 101 can adopt outside interlayer to lead to high-temperature flue gas, the rotary furnace of inner admittance deep fat.
As the optional embodiment of one, described first feed arrangement 103 is spiral feed system.
As the optional embodiment of one, as shown in Figure 2, above-mentioned cracker 20, comprising: pyrolysis furnace 201 and the second feed arrangement 203.
Wherein, pyrolysis furnace 201, for the solid waste through super-dry process is carried out pyrolysis gasification process, obtains cracked gas and solid residue; Second feed arrangement 203, is connected with drying oven and pyrolysis furnace respectively, for the solid waste through super-dry process is delivered to pyrolysis furnace.
Concrete, pyrolysis furnace 201 can adopt outside interlayer by the rotary furnace of gas heating.
As the optional embodiment of one, First Heat Exchanger is organic working medium heat exchanger.
As the optional embodiment of one, as shown in Figure 2, organic Lang Ken generating equipment 60, comprising: organic working medium evaporimeter 601, organic Lang Ken generating set 603, organic working medium cooler 605 and organic working medium circulating pump 607.
Wherein, organic working medium evaporimeter 601, is arranged at the downstream of organic working medium heat exchanger, for gasifying as organic gas by organic working medium; Organic Lang Ken generating set 603, utilizes the organic working medium evaporimeter organic gas obtained that gasifies to generate electricity; Organic working medium cooler 605, is cooled to liquid organic working medium by the organic gas after generating; Organic working medium circulating pump 607, for organic working medium is forced into the second pressure, and is conducted through organic working medium heat exchanger by organic working medium.
Concrete, in above-mentioned organic Lang Ken generating equipment 60, organic Lang Ken generating set 603 can adopt expansion power generation unit, and organic working medium circulating pump 607 can adopt conduction oil-organic working medium heat exchanger.Further, in organic working medium cooler 605, air-cooled mode can be adopted to cool, the mode of water-cooled also can be adopted to cool, be not specifically limited herein.
As the optional embodiment of one, present embodiments provide for a kind of combined power generation device based on heliotechnics, fixed-end forces technology and organic Lang Ken generation technology.Wherein, after solid waste is successively carried out drying process and cracking process by drying equipment and pyrolysis furnace, by the solid residue direct influent stream fluidized bed boiler high-temp combustion produced, using the fuel of produced cracking gas as pyrolysis furnace and fluidized-bed combustion boiler, the heat that pyrolysis furnace and fluid bed furnace produce is taken out by conduction oil, generate electricity for organic Lang Ken, the waste heat after utilizing conduction oil to generate electricity can also as the thermal source of drying device.Further, the flue gas that pyrolysis furnace and fluidized-bed combustion boiler produce can also be delivered to drying equipment, thus drying process is carried out to solid waste.
As the optional embodiment of one, in above-mentioned combined generating system, by solid waste is sent in drying equipment, be heated to 100 DEG C and remove moisture.Then the solid waste after drying process is sent in pyrolysis furnace, Pintsch process in temperature more than 400 DEG C, make the cleaved gasification of most of organic matter wherein, remaining solid residue is sent in the fluid bed furnace of more than 800 DEG C and carry out high-temperature oxydation, thus the temperature avoiding dioxin to produce.The heat produced in above-mentioned pyrolysis gasification process and burning process is passed in organic Lang Ken generating equipment by conduction oil, thus reaches the object utilizing and the heat produced during solid waste process is generated electricity.
By above-mentioned combined power generation device to the anoxybiotic cracking of solid waste and high-temperature process, avoid the generation of dioxin, make use of solar energy and waste heat is generated electricity by organic Lang Ken generating equipment simultaneously, improve utilization rate of waste heat, while fixed-end forces, obtain the energy.
According to the embodiment of the present invention, provide a kind of embodiment of the method for the fixed-end forces cogeneration method based on Organic Rankine Cycle, Fig. 3 is the flow chart of the fixed-end forces cogeneration method based on Organic Rankine Cycle according to the embodiment of the present invention, and as shown in Figure 3, the method comprises the steps:
Step S21, carries out drying process to the solid waste collected, removes the moisture in solid waste;
Step S23, the solid waste through super-dry process is carried out pyrolysis gasification process, obtains crackate, wherein, crackate at least comprises: cracked gas and solid residue;
Step S25, carries out burning process to crackate, the heat energy produced when gathering burning;
Thermal energy is electric energy by organic Lang Ken electricity generation system by step S27.
Concrete, by above-mentioned steps 21 to step S27, solid waste is sent in drying equipment, be heated to 100 DEG C and remove moisture.Then the solid waste after drying process is sent in pyrolysis furnace, Pintsch process in temperature more than 400 DEG C, make the cleaved gasification of most of organic matter wherein, remaining solid residue is sent in the fluid bed furnace of more than 800 DEG C and carry out high-temperature oxydation, thus the temperature avoiding dioxin to produce.The heat produced in above-mentioned pyrolysis gasification process and burning process is passed in organic Lang Ken generating equipment by conduction oil, and then reach the object that generation crackate and heat during solid waste process are made full use of, achieve the technique effect that can also generate electricity while solid waste is processed, solve owing to can not make full use of the heat energy produced during fixed-end forces, the problem of the wasting of resources caused.
As the optional embodiment of one, after thermal energy is electric energy by organic Lang Ken electricity generation system by step S27, said method can also comprise:
Step S28, utilizes heat-conducting oil furnace and/or solar thermal collector as Secondary Heat Source, for organic Lang Ken electricity generation system provides heat.
Concrete, by step S27, solar thermal collector and heat-conducting oil furnace can be carried out auxiliary heating as Secondary Heat Source to conduction oil.When the heat energy produced in fixed-end forces process can not meet send out some demand time, can by starting heat-conducting oil furnace and/or utilize solar thermal collector to carry out auxiliary heating to conduction oil.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed technology contents, the mode by other realizes.Wherein, device embodiment described above is only schematic, the such as division of described unit, can be that a kind of logic function divides, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the INDIRECT COUPLING of unit or module or communication connection can be electrical or other form.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1., based on a fixed-end forces combined generating system for Organic Rankine Cycle, it is characterized in that, comprising:
Solid waste drying device, for carrying out drying process to solid waste, removes the moisture in described solid waste;
Cracker, for the solid waste after described drying process is carried out pyrolysis gasification process, obtain crackate, wherein, described crackate at least comprises: cracked gas and solid residue;
Fluid bed furnace, is connected with described cracker, for carrying out burning process to described crackate;
Heat energy circulating device, successively by described fluid bed furnace, organic Lang Ken generating equipment and described solid waste drying device, for gather described fluid bed furnace burn described crackate time the heat energy that produces, and heat energy is passed in described organic Lang Ken generating equipment and described solid waste drying device;
Solar thermal collector, for converting solar energy into heat energy, and heats conduction oil;
Described organic Lang Ken generating equipment, for obtaining described heat energy by described heat energy circulating device, is transferred to electric energy by described heat energy.
2. combined generating system according to claim 1, is characterized in that, described heat energy circulating device comprises:
First Heat Exchanger, for receiving the heat energy transmitted by conduction oil, and is passed in described organic Lang Ken generating equipment;
Second heat exchanger, is arranged at the downstream of described First Heat Exchanger, for receiving the heat energy of described conduction oil transmission, and is passed in described solid waste drying device;
Oil circulating pump, is forced into the first pressure by described conduction oil, and described conduction oil is conducted through successively described fluid bed furnace, described First Heat Exchanger and described second heat exchanger.
3. combined generating system according to claim 2, is characterized in that, described combined generating system also comprises:
Flue gas purification system, is connected with described cracker and described fluid bed furnace, for the treatment of the waste gas that described cracker and described fluid bed furnace generate.
4. combined generating system according to claim 2, is characterized in that, described combined generating system also comprises:
Heat-conducting oil furnace, for heating described conduction oil.
5. combined generating system according to claim 1, is characterized in that, described solid waste drying device, comprising:
Drying oven, for carrying out drying process to described solid waste;
First feed arrangement, is connected with described drying oven, for carrying described solid waste to described drying oven.
6. combined generating system according to claim 5, is characterized in that, described cracker, comprising:
Pyrolysis furnace, for the described solid waste through super-dry process is carried out pyrolysis gasification process, obtains described cracked gas and described solid residue;
Second feed arrangement, is connected with described drying oven and described pyrolysis furnace respectively, for the described solid waste through super-dry process is delivered to described pyrolysis furnace.
7. combined generating system according to claim 2, is characterized in that, described First Heat Exchanger is organic working medium heat exchanger.
8. combined generating system according to claim 7, is characterized in that, described organic Lang Ken generating equipment, comprising:
Organic working medium evaporimeter, is arranged at the downstream of described organic working medium heat exchanger, for gasifying as organic gas by described organic working medium;
Organic Lang Ken generating set, utilizes the described organic working medium evaporimeter described organic gas obtained that gasifies to generate electricity;
Organic working medium cooler, is cooled to liquid described organic working medium by the described organic gas after generating;
Organic working medium circulating pump, for described organic working medium is forced into the second pressure, and is conducted through described organic working medium heat exchanger by described organic working medium.
9., based on a fixed-end forces cogeneration method for Organic Rankine Cycle, it is characterized in that, comprising:
Drying process is carried out to the solid waste collected, removes the moisture in described solid waste;
Described solid waste through super-dry process is carried out pyrolysis gasification process, obtains crackate, wherein, described crackate at least comprises: cracked gas and solid residue;
Burning process is carried out to described crackate, the heat energy produced when gathering burning;
Be electric energy by organic Lang Ken electricity generation system by described thermal energy.
10. cogeneration method according to claim 9, is characterized in that, after by organic Lang Ken electricity generation system described thermal energy being electric energy, described method also comprises:
Utilize heat-conducting oil furnace and/or solar thermal collector as Secondary Heat Source, for described organic Lang Ken electricity generation system provides heat energy.
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