CN104880051A - Biomass drying system for synchronously recovering latent heat and sensible heat and method - Google Patents
Biomass drying system for synchronously recovering latent heat and sensible heat and method Download PDFInfo
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- CN104880051A CN104880051A CN201510291314.6A CN201510291314A CN104880051A CN 104880051 A CN104880051 A CN 104880051A CN 201510291314 A CN201510291314 A CN 201510291314A CN 104880051 A CN104880051 A CN 104880051A
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The invention relates to a biomass drying system for synchronously recovering latent heat and sensible heat and a method, and belongs to the field of energy saving. The system comprises a heat regenerator (2), a heater (4), a residual heat regenerator (6), a condenser (7), a gas-liquid separator (8), a compressor (9), a working medium pump (13) and a turbine (14). According to the system, the sensible heat of circulating air (10) is recycled through the compressor (9); meanwhile, the residual heat regenerator (6) is used for recycling the latent heat and sensible heat of high-temperature wet air, and an organic Rankine cycle turbine (14) has certain pure power output under the condition that the output power meets the power consumption requirements of the compressor (9) and the working medium pump (13). According to the system, low-grade heat such as ground heat, solar light heat and industrial waste heat can be taken as heat sources for drying biomasses such as grains, tobacco and wood at a low temperature; meanwhile, certain pure power is output, so that the system and method have the advantages of saving in energy and high efficiency compared with the conventional air biomass drying process.
Description
Technical field
The present invention relates to a kind of the living beings drying system and the method that reclaim latent heat and sensible heat simultaneously, belong to energy-saving field.
Technical background
Drying is one of common preprocess method of preserving for a long time of living beings, and to be widely used in different kind organism matter dry for existing multiple drying means and technology at present, and wherein air oxygen detrition is one of current common method.Under high temperature and cryogenic conditions, there is different wettability powers according to air, utilized the moisture in high temperature air organism-absorbing matter by the method for heating, and be the biomass air drying proposal of main employing at present by the moisture in the method condensation air of cooling.But need to consume a large amount of heat energy owing to adding hot-air, and reduce air themperature and discharge a large amount of low-grade heats, and need to consume a large amount of cooling mediums, therefore regular air living beings dry run needs to consume a large amount of energy.The method having part researcher to propose circulating air carrys out the power-economizing method of recovery section used heat, but needs to increase circulating pump, and circulating pump can consume a large amount of mechanical powers.Therefore, the energy consumption how reducing air drying process is the important research direction of living beings dry run reducing energy consumption from now on.
Summary of the invention
The object of the present invention is to provide a kind of the living beings drying system and the method that reclaim latent heat and sensible heat, fully can recycle sensible heat and the latent heat of humid air, the thermal efficiency is high, and energy-saving effect is obvious simultaneously.
Reclaim a living beings drying system for latent heat and sensible heat simultaneously, it is characterized in that: this system comprises: regenerator, heater, waste heat regenerator, condenser, gas-liquid separator, compressor, working medium pump and turbine.Regenerator comprises cold side input port, cold side outlet port, hot side entrance and hot side outlet.Heater comprises the outlet of cold side input port, gaseous phase outlet and dry thing, thermal source inlet and thermal source outlet; Waste heat regenerator comprises cold side input port, cold side outlet port, hot side entrance and hot side outlet; Condenser comprises cold side input port, cold side outlet port, hot side entrance and hot side outlet; Gas-liquid separator comprises entrance, gaseous phase outlet and liquid-phase outlet.Living beings are connected with regenerator cold side input port, and regenerator cold side outlet port is connected with heater cold side input port, and heater gaseous phase outlet is connected with the hot side entrance of waste heat regenerator, and the dry thing outlet of heater is connected with environment.Thermal source working medium is connected with the hot side entrance of heater, and the hot side outlet of heater is connected with environment.The hot side outlet of waste heat regenerator is connected with gas-liquid separator entrance, and gas-liquid separator gaseous phase outlet is connected with heater cold side input port by compressor, and gas-liquid separator liquid-phase outlet is connected with the hot side entrance of regenerator, and the hot side outlet of regenerator is connected with environment.Organic working medium is connected with waste heat regenerator cold side input port by circulating pump, waste heat regenerator cold side outlet port is connected by the hot side entrance of turbine and condenser, the hot side outlet of condenser is connected with circulating pump, and cooling medium is connected with condenser cold side input port, and condenser cold side outlet port is connected with environment.
The method of work of the living beings drying system of latent heat and sensible heat is reclaimed while described, it is characterized in that comprising following process: living beings are after regenerator cold side is by the condensed water preheating of its hot side, enter heater cold side input port, the circulating air of compressor outlet also enters heater cold side input port simultaneously, thermal source working medium is heated by the material of the hot side of heater to heater cold side, then enters environment from the hot side outlet of heater.After the living beings of heater cold side and the mixture of air are heated, temperature raises, moisture in living beings is evaporated and enters in air, living beings self are dried and discharge from the biomass outlet of heater, High Temperature Moist Air then escapes and enter the hot side entrance of waste heat regenerator from the gaseous phase outlet of heater, after the organic working medium release sensible heat and latent heat of waste heat regenerator cold side, temperature reduces, and waste heat regenerator cold side organic working medium is evaporated after absorbing heat.The air of the hot side outlet of waste heat regenerator and condensed water mixture enter gas-liquid separator and carry out gas-liquid separation.Gas-liquid separator gaseous phase outlet material enters the hot side entrance of heater after being heated up by compressor boosting, and the water of gas-liquid separator liquid-phase outlet enters after the hot side of regenerator carries out preheating to living beings, enters environment from the hot side outlet of regenerator.Organic working medium is after working medium pump boosting, after entering the heat absorption of waste heat regenerator cold side, evaporation becomes gas phase, then turbine expansion acting is entered, turbine exports weary gas and enters the hot side entrance of condenser, condenser hot side organic working medium is condensed into liquid state after the cooling medium release heat of its cold side, starts next round circulation after finally entering working medium pump supercharging again.
Because this system waste heat regenerator can reclaim most of heat energy of heater absorption, and by the mode that discharges latent heat and sensible heat in the heater, used heat is used for the evaporation of organic working medium, and organic working medium is under turbine acting meets the condition of the power consumption of working medium pump and compressor, also there is certain net work externally to export, therefore this system has the low advantage of overall energy consumption.
Accompanying drawing explanation
Fig. 1 reclaims the living beings drying system of latent heat and sensible heat simultaneously.
Number in the figure title: 1, living beings, 2, regenerator, 3, thermal source working medium, 4, heater, 5, dried biomass, 6, waste heat regenerator, 7, condenser, 8, gas-liquid separator, 9, compressor, 10, circulating air, 11, moisture, 12, organic working medium, 13, working medium pump, 14, turbine, 15, cooling medium.
specific implementation method
The running of the living beings drying system of 1 this recovery latent heat of explanation and sensible heat, first can vacuumize air circulation loop as required, also can under stress dry with reference to the accompanying drawings.
If first the living beings 1 that moisture to be dried is higher enter the cold side of regenerator 2, after condensed water 11 preheating of the hot side of regenerator 2, enter heater 4 cold side input port, circulating air 10 also enters heater 4 cold side input port simultaneously, after the mixture of air and living beings absorbs the heat that heater 4 hot side thermal source working medium 3 discharges, temperature raises, after high temperature air absorbs the moisture in living beings, humidity improves, and dried biomass 5 is discharged from the dry thing outlet of heater 4.After the organic working medium 12 that the High Temperature Moist Air of heater 4 gaseous phase outlet enters the hot side direction cold side of waste-heat recoverer 6 discharges latent heat and sensible heat, temperature reduces, and has portion of water condensation from air to get off, then enters gas-liquid separator 8.The air of gas-liquid separator 8 gaseous phase outlet enters after compressor 9 boosts and enters heater 4 cold side again, and the moisture 11 of gas-liquid separator 8 liquid-phase outlet enters environment after regenerator 2 pairs of living beings 1 raw material preheatings.
Organic working medium 12 enters the cold side input port of waste heat regenerator 6 after working medium pump 13 boosts, evaporate after absorbing the sensible heat of waste heat regenerator 6 hot side humid air and latent heat, then turbine 14 expansion work is entered, turbine 14 exports weary gas and enters after condenser 7 is condensed again and become liquid organic working medium, finally starts next round thermodynamic cycle by working medium pump 13 supercharging again.
Above-mentioned organic rankine cycle system is under certain operational temperature conditions, and the acting of its turbine 14 can meet the power consumption of working medium pump 13 and compressor 8, also can externally export certain net work simultaneously.
Claims (2)
1. reclaim a living beings drying system for latent heat and sensible heat simultaneously, it is characterized in that:
This system comprises: regenerator (2), heater (4), waste heat regenerator (6), condenser (7), gas-liquid separator (8), compressor (9), working medium pump (13) and turbine (14);
Regenerator (2) comprises cold side input port, cold side outlet port, hot side entrance and hot side outlet; Heater (4) comprises the outlet of cold side input port, gaseous phase outlet and dry thing, thermal source inlet and thermal source outlet; Waste heat regenerator (6) comprises cold side input port, cold side outlet port, hot side entrance and hot side outlet; Condenser (7) comprises cold side input port, cold side outlet port, hot side entrance and hot side outlet; Gas-liquid separator (8) comprises entrance, gaseous phase outlet and liquid-phase outlet;
Living beings (1) are connected with regenerator (2) cold side input port, regenerator (2) cold side outlet port is connected with heater (4) cold side input port, heater (4) gaseous phase outlet is connected with waste heat regenerator (6) hot side entrance, and the dry thing outlet of heater (4) is connected with environment; Thermal source working medium (3) is connected with heater (4) hot side entrance, and heater (4) hot side outlet is connected with environment; Waste heat regenerator (6) hot side outlet is connected with gas-liquid separator (8) entrance, gas-liquid separator (8) gaseous phase outlet is connected with heater (4) cold side input port by compressor (9), gas-liquid separator (8) liquid-phase outlet is connected with regenerator (2) hot side entrance, and regenerator (2) hot side outlet is connected with environment;
Organic working medium (12) is connected with waste heat regenerator (6) cold side input port by circulating pump (13), waste heat regenerator (6) cold side outlet port is connected with condenser (7) hot side entrance by turbine (14), condenser (7) hot side outlet is connected with circulating pump (13), cooling medium (15) is connected with condenser (7) cold side input port, and condenser (7) cold side outlet port is connected with environment.
2. the method for work simultaneously reclaiming the living beings drying system of latent heat and sensible heat according to claim 1, is characterized in that comprising following process:
Living beings (1) are after regenerator (2) cold side is by the condensed water preheating of its hot side, enter heater (4) cold side input port, the circulating air (9) that compressor (9) exports simultaneously also enters heater (4) cold side input port, thermal source working medium (3) is heated by the material of heater (4) hot side to heater (4) cold side, then enters environment from heater (4) hot side outlet; After the living beings of heater (4) cold side and the mixture of air are heated, temperature raises, moisture in living beings is evaporated and enters in air, living beings self are dried and discharge from the biomass outlet of heater (4), High Temperature Moist Air then escapes and enter waste heat regenerator (6) hot side entrance from the gaseous phase outlet of heater (4), after organic working medium (12) the release sensible heat and latent heat of waste heat regenerator (6) cold side, temperature reduces, and waste heat regenerator (6) cold side organic working medium (12) is evaporated after absorbing heat;
The air of waste heat regenerator (6) hot side outlet and condensed water mixture enter gas-liquid separator (8) and carry out gas-liquid separation; Gas-liquid separator (8) gaseous phase outlet material enters heater (4) hot side entrance after being heated up by compressor (9) boosting, the water (11) of gas-liquid separator (8) liquid-phase outlet enters after regenerator (2) hot side carries out preheating to living beings (1), enters environment from regenerator (2) hot side outlet;
Organic working medium (12) is after working medium pump (13) boosting, after entering the heat absorption of waste heat regenerator (6) cold side, evaporation becomes gas phase, then turbine (14) expansion work is entered, turbine (14) exports weary gas and enters condenser (7) hot side entrance, condenser (7) hot side organic working medium (12) is condensed into liquid state after cooling medium (15) release heat of its cold side, starts next round circulation after finally entering working medium pump (13) supercharging again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510291314.6A CN104880051B (en) | 2015-06-01 | 2015-06-01 | The biomass drying system and method for latent heat and sensible heat are reclaimed simultaneously |
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| CN201510291314.6A CN104880051B (en) | 2015-06-01 | 2015-06-01 | The biomass drying system and method for latent heat and sensible heat are reclaimed simultaneously |
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| CN104880051A true CN104880051A (en) | 2015-09-02 |
| CN104880051B CN104880051B (en) | 2017-06-13 |
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| CN201510291314.6A Expired - Fee Related CN104880051B (en) | 2015-06-01 | 2015-06-01 | The biomass drying system and method for latent heat and sensible heat are reclaimed simultaneously |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781637A (en) * | 2016-03-07 | 2016-07-20 | 南京航空航天大学 | Electricity generating and drying integrated system and working method |
| CN106036946A (en) * | 2016-06-03 | 2016-10-26 | 南京航空航天大学 | Drying system and method for fruit and vegetable slices by utilizing exhaust steam heat of residual heat recovery system |
| CN107763891A (en) * | 2017-10-16 | 2018-03-06 | 清华大学 | A kind of air circulation compression net for air-source heat pump units |
| CN108225004A (en) * | 2018-01-15 | 2018-06-29 | 南京航空航天大学 | Transformation heat pump drying couples humid air Waste Heat Recovery electricity generation system and its course of work |
| CN110793308A (en) * | 2019-10-10 | 2020-02-14 | 东方电气集团东方汽轮机有限公司 | Drying process system with turbine-compressor structure |
| CN111089454A (en) * | 2019-12-27 | 2020-05-01 | 科源动力科技有限公司 | Working medium pump drying method in ORC low-temperature waste heat power generation equipment |
| CN113418353A (en) * | 2021-08-23 | 2021-09-21 | 华东交通大学 | Solar ORC-based medicinal material drying device and optimization decision method |
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| EP0393179B1 (en) * | 1988-10-18 | 1992-07-22 | Saarberg-Interplan, Gesellschaft für Rohstoff-, Energie- und Ingenieurtechnik mbH | Process for generating electrical energy and/or drying and process heat |
| DE19612186A1 (en) * | 1996-03-27 | 1997-10-02 | Steinmueller Gmbh L & C | Method of drying crude lignite, with fluidised bed dryer |
| DE10050520A1 (en) * | 2000-10-12 | 2002-04-18 | Karl Strauss | Method for operating a combustion chamber of a gas turbine powered by dried brown coal utilizes water removed from the brown coal in a fluidized bed dryer |
| CN101881191A (en) * | 2010-05-27 | 2010-11-10 | 中国电力工程顾问集团公司 | Thermal power generation system based on high-moisture lignite pre-drying upgrading and recovering technology |
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2015
- 2015-06-01 CN CN201510291314.6A patent/CN104880051B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0393179B1 (en) * | 1988-10-18 | 1992-07-22 | Saarberg-Interplan, Gesellschaft für Rohstoff-, Energie- und Ingenieurtechnik mbH | Process for generating electrical energy and/or drying and process heat |
| DE19612186A1 (en) * | 1996-03-27 | 1997-10-02 | Steinmueller Gmbh L & C | Method of drying crude lignite, with fluidised bed dryer |
| DE10050520A1 (en) * | 2000-10-12 | 2002-04-18 | Karl Strauss | Method for operating a combustion chamber of a gas turbine powered by dried brown coal utilizes water removed from the brown coal in a fluidized bed dryer |
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| CN103307891A (en) * | 2013-05-27 | 2013-09-18 | 东南大学 | Comprehensive utilization system and method for lignite upgrading and drying energy |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781637A (en) * | 2016-03-07 | 2016-07-20 | 南京航空航天大学 | Electricity generating and drying integrated system and working method |
| CN106036946A (en) * | 2016-06-03 | 2016-10-26 | 南京航空航天大学 | Drying system and method for fruit and vegetable slices by utilizing exhaust steam heat of residual heat recovery system |
| CN107763891A (en) * | 2017-10-16 | 2018-03-06 | 清华大学 | A kind of air circulation compression net for air-source heat pump units |
| CN108225004A (en) * | 2018-01-15 | 2018-06-29 | 南京航空航天大学 | Transformation heat pump drying couples humid air Waste Heat Recovery electricity generation system and its course of work |
| CN110793308A (en) * | 2019-10-10 | 2020-02-14 | 东方电气集团东方汽轮机有限公司 | Drying process system with turbine-compressor structure |
| CN111089454A (en) * | 2019-12-27 | 2020-05-01 | 科源动力科技有限公司 | Working medium pump drying method in ORC low-temperature waste heat power generation equipment |
| CN113418353A (en) * | 2021-08-23 | 2021-09-21 | 华东交通大学 | Solar ORC-based medicinal material drying device and optimization decision method |
| CN113418353B (en) * | 2021-08-23 | 2021-11-12 | 华东交通大学 | Solar ORC-based medicinal material drying device and optimization decision method |
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| CN104880051B (en) | 2017-06-13 |
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