CN101040592B - Integrated energy-providing system of greenhouse using methane as the raw material - Google Patents
Integrated energy-providing system of greenhouse using methane as the raw material Download PDFInfo
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- CN101040592B CN101040592B CN2006101476627A CN200610147662A CN101040592B CN 101040592 B CN101040592 B CN 101040592B CN 2006101476627 A CN2006101476627 A CN 2006101476627A CN 200610147662 A CN200610147662 A CN 200610147662A CN 101040592 B CN101040592 B CN 101040592B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/249—Lighting means
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M43/00—Combinations of bioreactors or fermenters with other apparatus
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/36—Means for collection or storage of gas; Gas holders
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The invention relates to a greenhouse integral energy supply system with marsh gas as material, belonging to agriculture technique. The invention is formed by a greenhouse organic waste marsh gas ferment device, a marsh gas buffer storage device, a marsh gas hot air hot water supply device, a smoke washing purifier, a hot water distributor, a gas distributor, a marsh gas distributor, a soil hot water circular heat supplier, an elevated air tube system and a marsh gas lamp group, which are connected via tubes and valves. The marsh gas lamp group is formed by a marsh gas lamp rod and a marsh gas air tube. The marsh gas hot air hot water supply device is formed by a hot water tank, a burning heat exchange tank, a circular pump and a burner. The burning heat exchange tank via a smoke channel inlet is connected with the burner. The hot water tank is connected with the burning heat exchange tank via the circular pump, while the hot water tank contains a heat exchanger. The invention ferments greenhouse organic waste into marsh gas, supplies heat, light and carbon dioxide to greenhouse.
Description
Technical field
The invention belongs to the agricultural engineering technology field, being specifically related to a kind of is the comprehensive energy supplying system in greenhouse of raw material with biogas.
Background technology
The greenhouse is an important techniques theme in the modern agriculture engineering, and the development in greenhouse makes the open-air agricultural of tradition be converted into controlled agricultural under the protective condition.At present in the world, the greenhouse has been widely used in flowers, vegetable growing.The sharpest edges of greenhouse culture are to satisfy the best living condition of crop by the control of greenhouse, opposing natural calamity etc., thus obtain maximum productivity effect.In greenhouse management, heat winter in the greenhouse, light filling and carbon dioxide fertilization are important environment conditioning measures, is to strengthen the greenhouse to boisterous adaptability, improves the production efficiency important channel in greenhouse.Tradition is used fiery pit, quirk in the greenhouse and is carried out greenhouse soil and heat, and uses flue and carries out the greenhouse interior space and heat; The electric heating of using in the modern greenhouse, fire coal, fuel oil hot water heating system carry out greenhouse soil and heat, the electric heating piece of using in the modern greenhouse, electric heating infrared heater, hot water (coal-fired, fuel oil) heat exchanger fin, air-heater (coal-fired, fuel oil) etc. carry out the greenhouse interior space and heat, use fuel oil carbon dioxide fertilization system and carry out carbon dioxide fertilization, the electric energy light filling systems such as fluorescent lamp, fluorescent lamp or sodium lamp that use carry out light filling.
Traditional fiery pit, quirk and flue utilize faggot to carry out temperature for the energy, and economical and practical, specification requirement is low, but working condition is abominable, contaminated environment, and controllability is poor, incompatibility modern greenhouse demand.Electric heating, fire coal, oil heating installation, fuel oil carbon dioxide fertilization system, and electric energy light filling system all have working condition and improve the advantage that controllability is strong, the management characteristic of very compound modern greenhouse.Along with the rising year by year of fossil energy and power price, the production cost in greenhouse improves year by year, for the lower agricultural products of added value.So expensive energy cost has allowed the greenhouse operator forbidding, and many operators have to abandon to heat the winter in greenhouse, the light filling and the carbonic acid gas in summer are executed.So not only can not give full play to the proper function in greenhouse, and under extreme weather conditions, even can cause the failure of greenhouse management.Even if for the high value-added product chamber planting, the operator may be stronger relatively to the ability to bear of energy cost, and a large amount of usefulness in greenhouse can also increase the weight of social energy burden.
In greenhouse management, annual meeting produces a large amount of plant husbandry organic wastes.At present, these are arbitrarily stacked discarded object and have been caused serious widespread pollution from the overuse of fertilizers and pesticides in rural area.These organic wastes itself are rich in a large amount of organic matters, are extraordinary biogas production raw materials.Biogas is a kind of gaseous state clean energy resource, can burn to be used for heating of greenhouse, and biogas lamp can be used for the greenhouse light filling as electric light, and the carbonic acid gas of biogas burning can be used for the carbon dioxide fertilization in greenhouse.Biogas is non-renewable energy resources such as potential alternative traditional coal, oil, electric power fully, heat for the greenhouse provides, light filling and carbon dioxide fertilization are omnibearing that energy safeguard is provided.Therefore, be used for the greenhouse energy supply if utilize the organic waste that produces in the hothouse production process to produce biogas, the energy source in greenhouse just can be resolved in internal system substantially.This will reduce greenhouse energy supply cost significantly, improve the comprehensive benefit in greenhouse.
Yet still not having at present to be fit to biogas is that the energy is the method and apparatus of greenhouse energy supply.Modern greenhouse heating at present, light filling and carbon dioxide fertilization all constitute autonomous system separately.If provide comprehensive energy supply with biogas for biogas, the method that still adopts many cover systems in the existing greenhouse and deposit not only strengthens equipment investment, and system can not carry out energy each other and utilize complementaryly, can reduce total capacity usage ratio.
Summary of the invention
The object of the present invention is to provide a kind of greenhouse organic waste of can using to produce biogas, for greenhouse heating, light filling and carbon dioxide fertilization provide comprehensive energy supply, strengthen the greenhouse to boisterous adaptability, improve the production efficiency in greenhouse, what reduce the hothouse production cost is the comprehensive energy supplying system in greenhouse of raw material with biogas.
What the present invention proposed is the comprehensive energy supplying system in greenhouse of raw material with biogas, connect to form by pipeline and valve 8 by hot water circuit heating system 10, overhead air-line system 11 and biogas lamp group 12 in greenhouse organic waste biogas fermentation device 1, biogas buffer storage device 2, the two power supply devices 3 of biogas warm braw hot water, flue gas washing cleaning system 4, hot water dispenser 5, gas distributor 6, biogas distributor 7, the soil body, wherein:
Biogas lamp group 12 is made up of biogas lamp stand 17 and biogas air supply pipe 25, biogas lamp stand 17 is evenly distributed, spacing between every row is a 1.5-2 rice, biogas lamp stand 17 is made up of dead lever 23 and the biogas lamp 22 that is distributed on the dead lever 23, biogas lamp stand 17 is fixed on the greenhouse upper frame 20 by pulley 19 and lifting rope 26, and biogas supply pipe 25 connects biogas lamp 22 by biogas arm 24;
The two power supply devices of biogas warm braw hot water are made up of boiler 28, combustion heat-exchange casing 29, circulating pump 30, burner 39, combustion heat-exchange casing 29 connects burner 39 by the chimney intake at top, boiler 28 is connected heat pipe 54 in the combustion heat-exchange casing 29 by pipeline with circulating pump 30, be provided with heat exchanger in the boiler 28; Combustion heat-exchange casing 29 by housing 42, flue 49, diaphragm plate 57, vertical clapboard 56, pass through warm-air pipe 50 and form, the two ends of vertical clapboard 56 connect the upper and lower of housing 42 respectively, the two ends of diaphragm plate 56 connect housing 42 1 sides and vertical clapboard 56 respectively, make housing 42 be separated into main heat exchange chamber 51, inferior Heat Room 52 and 53 3 spaces of preheating chamber; Flue 49, flue bent pipe 58, heat pipe 54 are set in the main heat exchange chamber 51 and stick up fin 55, the main heat exchange chamber is divided into inside and outside two chambeies, flue 49 is positioned at the center of main heat exchange chamber 51, flue 49 and flue bent pipe 58 are communicated with the indoor chamber of formation main heat exchange, flue 49 inwalls evenly are provided with heat pipe 54, stick up fin 55 and be uniformly distributed in flue 49 outer walls radially, stick up fin 55 and be provided with heat pipe 54; Be provided with in the inferior Heat Room 52 and pass through warm-air pipe 50, hot blast bend pipe 59, heat pipe 54 and stick up fin 55, inferior Heat Room is divided into inside and outside two chambeies, pass through warm-air pipe 50 and be positioned at time Heat Room 52 centers, pass through warm-air pipe 50 and hot blast bend pipe, 59 are communicated with formation time Heat Room 52 inner chambers, pass through warm-air pipe 50 outer walls and be evenly distributed with heat pipe 54, stick up fin 55 and be uniformly distributed in the periphery of passing through warm-air pipe 50 radially, stick up fin 55 and be provided with heat pipe 54; Heat pipe 54 is set in the preheating chamber 53 and sticks up fin 55, the interior heat pipe of the heat pipe 54 in the preheating chamber 53 and time Heat Room 52 is corresponding about in the of 54, sticks up fin 55 and is fixed in radially on the heat pipe 54; The indoor chamber of main heat exchange is communicated with time Heat Room exocoel, and the outdoor chamber of main heat exchange is communicated with time Heat Room inner chamber, and inferior Heat Room inner chamber is communicated with preheating chamber;
Be connected by pipeline between greenhouse organic waste biogas fermentation device 1 and the biogas buffer storage device 2, biogas buffer storage device 2 is connected two power supply devices 3 of biogas warm braw hot water and biogas distributor 7 by pipeline respectively with valve 8, biogas distributor 7 connects biogas lamp group 12; Have two pipelines to link to each other between the two power supply devices 3 of biogas warm braw hot water and the hot water dispenser 5, wherein on a pipeline hot water circulating pump 9 is set, hot water dispenser 5 connects the interior hot water circuit heating system 10 of the soil bodys; The two power supply devices 3 of hot air heating wind-heat water are connected gas distributor 6 by pipeline with valve 8, and gas distributor 6 connects overhead air-line system 11; Between the two power supply devices 3 of hot air heating wind-heat water and the flue gas washing cleaning system 4 bypass pipe is set, bypass pipe and lead on the pipeline between the flue gas washing cleaning system 4 and valve 8 is set, flue gas washing cleaning system 4 connection gas distributors 6 respectively.
Among the present invention, be respectively equipped with solid becket bridle 21 on the every dead lever 23 and from moving-coil rope device 18, an end of lifting rope 26 is fixed on the solid becket bridle 21, the other end passes pulley 19 and connects from moving-coil rope device 18.
Among the present invention, every biogas lamp stand 17 both sides are provided with biogas supply pipe 25, and every biogas supply pipe 25 dislocation connect biogas lamp 22, for biogas lamp 22 provides fuel.
Among the present invention, hot water circuit heating system 10 is positioned at below the chamber planting bed soil body 15 below 20cm in the soil body, is made up of plastic tube 13, plastic film 14, is evenly distributed with fenestra 16 on the plastic film 14, and plastic tube 13 is uniformly distributed in plastic film 14 belows.
Among the present invention, boiler 28 is made up of insulation casing 40 and heat exchanger, heat exchanger comprises that heat exchange sticks up fin 41 and heat exchange heat pipe 27, heat exchanger is positioned at insulation casing 40 inside, heat exchange heat pipe 27 is serpentine configuration, the feed liquor mouth of pipe 32 and the fluid mouth of pipe 35 are established in insulation casing 40 tops, the feed liquor mouth of pipe 32 connects heat exchange heat pipe 27 1 ends, the fluid mouth of pipe 35 connects heat exchange heat pipe 27 other ends, the top of insulation casing 28 is provided with exhaust outlet 33, and the bottom of sidewall is respectively equipped with hot water circuit water inlet 34, delivery port 37 and water supplement port 36.
Among the present invention, inferior Heat Room 52 1 upper lateral parts are provided with the smoke evacuation mouth of pipe 48, and the smoke evacuation mouth of pipe 48 is communicated with time Heat Room 52 exocoels, the smoke evacuation mouth of pipe 48 outer smoke evacuation air-introduced machines 45 that are provided with, and inferior Heat Room 52 bottoms are provided with blow-off pipe 46, are used to discharge the cold doubtful water of flue gas.
Among the present invention, main heat exchange chamber 51 1 upper lateral parts are provided with air outlet tube mouth 43, and air outlet tube mouth 43 is communicated with the exocoel of main heat exchange chamber 51.
Among the present invention, preheating chamber 53 1 upper lateral parts are provided with air intake pipe orifice 47, the air intake pipe orifice 47 outer hot blast pressure fans 44 that are provided with.
Among the present invention, greenhouse organic waste biogas fermentation device can adopt conventional device, as adopting the Chinese patent application " time-controllable greenhouse marsh gas fermentation process and system " (number of patent application 200610147417.6) of inventor in first to file.
Among the present invention, the biogas buffer storage device can adopt conventional device, as adopting the Chinese patent application " scalability low pressure constant voltage flexible reservoir hag and production technology thereof " (number of patent application 200310108887.8) of inventor in first to file.
Among the present invention, biogas burning cigarette washing purifying device uses chemical field gas washing purification device commonly used.
Among the present invention, hot water dispenser, gas distributor, biogas distributor, overhead warm-air pipe system, all adopt conventional art from moving-coil rope device, biogas lamp and biogas lamp igniter.
The course of work of the present invention by greenhouse organic waste biogas fermentation, chamber planting bed soil biogas heat, greenhouse interior space biogas is heated comprehensively, chamber crop biogas light filling, greenhouse local space biogas are heated, the biogas CO in greenhouse
2The greenhouse comprehensive utilization of fertilising, biogas burning capacity and material, the fertilizer of energy supplying system waste water and dregs use eight parts to constitute.Its concrete steps are as follows:
1. greenhouse organic waste biogas fermentation
Adopt fermentation process among the Chinese patent application ZL200610147417.6 " time-controllable greenhouse marsh gas fermentation process and system ", according to hothouse production reality, in time be added in the greenhouse organic waste biogas fermentation device 1 being dispersed in the annual plant husbandry organic waste that produces, then according to greenhouse energy supply demand, at any time produce biogas by greenhouse organic waste biogas fermentation device 1, and temporarily be stored in the biogas buffer storage device 2 standby.
2. chamber planting bed soil biogas is heated
When chamber planting bed soil need heat up, open the valve 8 between the two power supply devices 3 of biogas buffer storage device 2 and biogas warm braw hot water, obtain hot water by the two power supply device 3 burning biogas of biogas warm braw hot water, perhaps directly utilize the hot water that is stored in the device boiler 28, circulate by the hot water circuit heating system 10 that is embedded in below the 20cm of chamber planting bed surface, be the implant bed soil body 15 additional heat, needs according to the plant of being planted, promote the temperature of the soil body 15, supply by hot water between the obstructed implant bed of hot water dispenser 5 adjustings, adapt to the different demands of crop, guarantee the crop healthy growth soil temperature.
3. interior space biogas in greenhouse is heated comprehensively
When greenhouse space needs to heat up comprehensively, open the valve 8 between the two power supply devices 3 of biogas buffer storage device 2 and biogas warm braw hot water, by the two power supply device 3 burning biogas of biogas warm braw hot water, use device hot blast pressure fan 44 extracts in the greenhouses air and sends into biogas warm braw hot water pair power supply devices 3 and heat, obtain hot-air, discharge hot-air, the greenhouse space of heating by hanging the overhead air-line system 11 that is located at the top, greenhouse then.By the hot-air tolerance of gas distributor 6 each pipeline of uniform distribution, guarantee that the greenhouse space temperature evenly rises.
4. chamber crop biogas light filling
Need carry out light filling for the chamber planting crop, the manager at first formulates light filling period planning and light filling requirement of strength, then according to the valve of planning to open and close between biogas buffer storage device 2 and the biogas distributor 78 on time, light and extinguish the biogas lamp group 12 who is lifted on the top, greenhouse, for crop provides in good time light filling.Lighted density by height and the quilt of adjusting biogas lamp 22, regulated light filling intensity.When needing high light, increase the density of being lighted biogas lamp 22, reduce the height of biogas lamp 22; Otherwise, reduce the density of being lighted biogas lamp 22, the height of rising biogas lamp 22.The density of lighting of biogas lamp 22 is to utilize the biogas supply of two biogas supply pipes 25 on biogas distributor 7 control biogas lamp stands 17 and the biogas lamp stand whether to realize, the adjusting of biogas lamp 22 height is to realize by the folding and unfolding of dead lever 23 two ends from 18 pairs of lifting ropes 26 of moving-coil rope device.
5. local space biogas in greenhouse is heated
Because the indoor air convection effect, overhead air-line system 11 hot blasts are heated and are unsuitable for heating of local implant bed.But, plant plant different often to temperature requirement in the greenhouse.Under this condition, the biogas lamp group 12 who lights crop plant bed top carries out light radiation local warming.Lighted density by height and the quilt of adjusting biogas lamp 22, regulated the intensity of heating.In the time of need forcing temperature, increase the density of being lighted biogas lamp 22, reduce the height of biogas lamp 22; Otherwise, reduce the density of being lighted biogas lamp 22, the height of rising biogas lamp 22.Biogas lamp 22 height and the control method of being lighted density are with step 4.
6. the biogas CO in greenhouse
2Fertilising
At intensity of illumination high noon, carry out CO
2Fertilising can improve crop yield.At this moment open the valve 8 between the two power supply devices 3 of biogas buffer storage device 2 and biogas warm braw hot water, by the two power supply device 3 burning biogas of biogas warm braw hot water, open the valve 8 between two power supply devices 3 of biogas warm braw hot water and the flue gas washing purifier 4, close other tube valve 8 between them, smoke evacuation air-introduced machine 45 is sent into flue gas washing purifier 4 to flue gas, removes harmful components such as flue dust in the flue gas and nitrogen oxide and obtains to be rich in CO
2Air is rich in CO by hanging overhead air-line system 11 releases that are located at the top, greenhouse then
2Air provides plant growth.The CO that is rich in by gas distributor 6 each pipeline of uniform distribution
2Air tolerance guarantees the greenhouse supply evenly.
7. the greenhouse of biogas burning capacity and material comprehensive utilization
When the greenhouse only needs soil to heat, close the hot blast pressure fan 44 of the two power supply devices 3 of biogas warm braw hot water, open circulating pump 30, follow the heat exchange medium in the bad heat pipe 54, the biogas calory burning is used to add the warm water substantially, and the flue gas of biogas burning directly discharges by smoke evacuation air-introduced machine 45.
When the greenhouse only needs the interior space to heat, close the circulating pump 30 of the two power supply devices 3 of biogas warm braw hot water, open hot blast pressure fan 44, the heat of burning is by heat pipe 54 and stick up fin 55 be used to substantially heat air by the two energy supplies 3 of biogas warm braw hot water, and the flue gas of biogas burning directly discharges by smoke evacuation air-introduced machine 45.
As greenhouse demand CO only
2Fertilising or CO
2When fertilising is heated both while demands with soil, open the valve 8 between two power supply devices 3 of biogas warm braw hot water and the flue gas washing cleaning system 4, close bypass pipe valve 8 between them, smoke evacuation air-introduced machine 45 is sent into flue gas washing cleaning system 4 to flue gas and is purified, and obtains and is rich in CO
2Air; Simultaneously, close hot blast pressure fan 44, open circulating pump, water in the heat exchange medium in the circulating heat pipe 54, the heat of biogas burning are used to heat in the boiler 28, heated hot water is heated for greenhouse soil or other management uses.
When adding the gentle interior space, greenhouse soil heats both simultaneously during demands, open the circulating pump 30 of the two power supply devices 3 of biogas warm braw hot water simultaneously, with hot blast pressure fan 44, a biogas calory burning part is by heat pipe 54 and stick up fin 55 and be used for air by the two power supply devices 3 of biogas warm braw hot water, a part is recycled the hot water in the heater boiler 28, and the flue gas of biogas burning directly discharges by smoke evacuation air-introduced machine 45.
As greenhouse CO
2When fertilising is heated both while demands with the interior space, open the valve 8 between two power supply devices 3 of biogas warm braw hot water and the flue gas washing cleaning system 4, close bypass pipe valve 8 between them, smoke evacuation air-introduced machine 45 is sent into flue gas washing cleaning system 4 to flue gas and is purified, and obtains and is rich in CO
2Air; Close circulating pump 30, open hot blast pressure fan 44, the biogas calory burning heats simultaneously by the air of the two power supply devices 3 of biogas warm braw hot water and the water in the boiler 28.
When greenhouse soil is heated, the interior space adds gentle CO
2During fertilising three while demand, open the circulating pump 30 and the hot blast pressure fan 44 of the two power supply devices 3 of biogas warm braw hot water simultaneously, the heat part of biogas burning is by heat pipe 54 and stick up fin 55 and heat by the air of the two power supply devices 3 of biogas warm braw hot water, and a part is recycled pump 30 and is recycled to the hot water in the heat hot water tanks 28 in the boiler 28; Open the valve 8 between two power supply devices 3 of biogas warm braw hot water and the flue gas washing cleaning system 4, close bypass pipe valve 8 between them, smoke evacuation air-introduced machine 45 is sent into flue gas washing cleaning system 4 to flue gas and is purified, and obtains and is rich in CO
2Air.
8. the fertilizer of energy supplying system waste water and dregs uses
Two power supply devices 3 of biogas warm braw hot water and flue gas washing cleaning system 4 all can appropriateness be got rid of waste water, the sewage that the two power supply devices 3 of biogas warm braw hot water are discharged is flue gas condensing water, the sewage that flue gas washing cleaning system 4 is discharged is the flue gas eluting water, two kinds of sewage compositions are similar substantially, all be the acidulous water that is rich in nitrogen oxide, carbonate and dust, direct exhaust emission environment.But wherein nitrogen is crop alimentary material preferably, can be adjusted to pH value neutrality with limewash after, sneak into and water crops in the irrigation water.
Organic detritus in the greenhouse organic waste biogas fermentation device 1 can be used for crop fertilization at any time according to the demand of greenhouse management, specifically obtains with using method and sees Chinese patent ZL200610147417.6 " time-controllable greenhouse marsh gas fermentation process and system ".
The invention has the advantages that: at first, utilize the biogas that the plant husbandry organic waste produces in the hothouse production management process, substitute heating, light filling and carbon dioxide fertilization that traditional non-renewable energy resources coal, oil, electric power etc. are used for the greenhouse, not only, can significantly reduce production costs simultaneously for society has saved fossil energy consumption.In addition, biogas fermentation is used for agriculture fertilizer, and the nutriment in the recycling discarded object reduces waste discharge, improves agricultural environment.Secondly, the alternative present many suits of single cover integrated system that the present invention makes up by devices such as the two power supply devices of biogas warm braw hot water, biogas lamp groups are changed to the greenhouse provides omnibearing heating, light filling and carbon dioxide fertilization, realize the comprehensive utilization of matter energy on the one hand, improve resource utilization, the flexible increase of Guan Li convenience and adjusting on the other hand.In addition, simplify original many cover systems and be the triangular web in this invention, reduce scale of investment.
Description of drawings
Fig. 1 is a structural diagrams of the present invention.
Fig. 2 is hot water circuit heating system layout of beam line figure in the soil body.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is a biogas lamp group schematic diagram.
Fig. 5 is a biogas lamp stand schematic diagram.
Fig. 6 is a biogas lamp stand air feed schematic diagram.
Fig. 7 is the two power supply device vertical views of biogas warm braw hot water.
Fig. 8 is the cutaway view of the B-B of Fig. 7.
Fig. 9 is the cutaway view of the C-C of Fig. 7.
Figure 10 is the top view of Fig. 7.
Figure 11 is the D-D cutaway view of Fig. 9.
Figure 12 is the cutaway view of the E-E of Fig. 9.
Number in the figure: 1 is greenhouse organic waste biogas fermentation device, and 2 is the biogas buffer storage device, and 3 is the two power supply devices of biogas warm braw hot water, 4 is the flue gas washing cleaning system, and 5 is hot water dispenser, and 6 is gas distributor, 7 is the biogas distributor, and 8 is valve, and 9 is hot water circulating pump, 10 is hot water circuit heating system in the soil body, and 11 is overhead air-line system, and 12 is the biogas lamp group, 13 is plastic tube, and 14 is plastic film, and 15 is the soil body, 16 is fenestra, and 17 is the biogas lamp stand, and 18 is from the moving-coil rope device, 19 is pulley, and 20 is the upper frame in greenhouse, and 21 are solid becket bridle, 22 is biogas lamp, and 23 is straight dead lever, and 24 is the biogas arm, 25 is the biogas supply pipe, 26 is lifting rope, and 27 are the heat exchange heat pipe, and 28 is boiler, 29 is the combustion heat-exchange casing, 30 is circulating pump, and 31 is the connecting leg of main heat exchange chamber heat pipe and boiler heat exchanger, and 32 is the feed liquor mouth of pipe, 33 is exhaust outlet, 34 is water inlet, and 35 is the fluid mouth of pipe, and 37 is delivery port, 36 is water supplement port, 38 is the connecting leg of preheating chamber heat pipe and boiler heat exchanger, and 39 is burner, and 40 are the insulation casing, 41 stick up fin for heat exchange, 42 is housing, and 43 is the air outlet tube mouth of main heat exchange chamber, and 44 is the hot blast pressure fan, 45 is chimney meatus draught fan, 46 is vertical clapboard, and 47 is the air intake pipe orifice of preheating chamber, and 48 are the smoke evacuation mouth of pipe, 49 is flue, 50 for passing through warm-air pipe, and 51 is the main heat exchange chamber, and 52 is time Heat Room, 53 is preheating chamber, 54 is heat pipe, and 55 for sticking up fin, and 56 is vertical clapboard, 57 is diaphragm plate, 58 is flue bent pipe, and 59 is the hot blast bend pipe, and 60 is mounting seat.
Embodiment
Further specify the present invention in conjunction with the accompanying drawings below by embodiment.
Embodiment 1:
As shown in Figure 1.Be connected by pipeline between greenhouse organic waste biogas fermentation device 1 and the biogas buffer storage device 2, biogas buffer storage device 2 is connected two power supply devices 3 of biogas warm braw hot water and biogas distributor 7 by pipeline respectively with valve 8, biogas distributor 7 connects biogas lamp group 12; Have two pipelines to link to each other between the two power supply devices 3 of biogas warm braw hot water and the hot water dispenser 5, wherein on a pipeline hot water circulating pump 9 is set, hot water dispenser 5 connects the interior hot water circuit heating system 10 of the soil bodys; The two power supply devices 3 of hot air heating wind-heat water are connected gas distributor 6 by pipeline with valve 8, and gas distributor 6 connects overhead air-line system 11; Between the two power supply devices 3 of hot air heating wind-heat water and the flue gas washing cleaning system 4 bypass pipe is set, bypass pipe and lead on the pipeline between the flue gas washing cleaning system 4 and valve 8 is set, flue gas washing cleaning system 4 connection gas distributors 6 respectively.
As shown in Figures 2 and 3.Hot water circuit heating system 10 adopts the apertured plastic films 14 that is arranged at 4 dark plastic tubes 13 of implant bed face of land 30-50cm and is close to laying at an upper portion thereof in the soil body, 4 plastic tubes 13 are evenly distributed, be cross-linked at two ends respectively, form two " U " structures of subtend; Circulating hot water provides thermal source in the plastic tube 13, the plastic film of laying thereon 14 is equivalent to stick up fin, promote heat radiation, hole on the plastic film 14 provides the passage of soil body mass exchange up and down, subtend pair " U " distribution hot water guarantee whole heat up synchronous of implant bed simultaneously from the turnover of implant bed two ends.
As Fig. 4-shown in Figure 6.Biogas lamp group 12 is by 17 evenly distributed compositions of biogas lamp stand, the spacing of biogas lamp stand 17 is generally 1.5-2 rice, each biogas lamp stand 17 is made up of straight dead lever 23 and biogas lamp 22, biogas lamp 22 equidistant being fixed on the straight dead lever 23, and spacing is generally 1.5-2 rice; Every straight dead lever 23 is lifted on the upper frame 20 in greenhouse by pulley 19, can regulate the high and low position of straight dead lever 23 by pulley 19; Every biogas lamp stand 17 is provided with two biogas supply pipes 25, and the biogas on the biogas lamp stand 17 uniformly-spaced biogas supply pipe 25 of formula by wherein obtains biogas; Regulate biogas supply pipe 25 on biogas lamp stands 17 and the every biogas lamp stand 17 by biogas distributor 7 like this, just can realize being lighted the adjustment of biogas lamp density; The biogas lamp of installing on biogas the is straight dead lever 23 22 and and igniter can utilize prior art.
As Fig. 7-shown in Figure 12, the two power supply devices of biogas warm braw hot water by burner 39, housing 42, flue 49, dividing plate, pass through warm-air pipe 50, heat pipe 54, heat transferring medium, thermal medium circulating pump 30, boiler 28 and the mounting seat 60 etc. of sticking up in fin 55, the heat pipe form.Burner 39 is positioned at the chimney intake at combustion heat-exchange casing 29 tops, boiler 28 by the insulation casing 40, fin 41 is stuck up in heat exchange and heat exchange heat pipe 27 constitutes, wherein fin 41 and heat exchange heat pipe 27 formation heat exchangers are stuck up in heat exchange, heat exchanger is installed on heat preservation hot water tank 28 inside, and its feed liquor mouth of pipe 32 and the fluid mouth of pipe 35 stretch out from heat preservation hot water tank 28 tops respectively; Heat preservation hot water tank 28 tops are provided with exhaust outlet 33, and the sidewall bottom is provided with hot water circuit water inlet 34 and delivery port 37 and water supplement port 36.Boiler 28 is positioned at combustion heat-exchange casing 29 1 sides, links to each other with circulating pump 30 by being positioned at casing 29 top ducts.Dividing plate comprises vertical clapboard 56 and diaphragm plate 57, the two ends of vertical clapboard 56 connect the upper and lower of housing 42 respectively, the two ends of diaphragm plate 56 connect housing 42 1 sides and vertical clapboard 56 respectively, make housing 42 be divided into three chambers to housing 42 jointly, be respectively main heat exchange chamber 51, inferior Heat Room 52 and preheating chamber 53, wherein main heat exchange chamber 51 occupies half position of housing 42, inferior Heat Room 52 and preheating chamber are superimposed about in the of 53 to occupy second half position of housing 42 jointly, and preheating chamber 53 is positioned at time Heat Room 52 tops.Flue 49 is established at 51 centers, main heat exchange chamber, is close to its inwall around the flue 49 several heat pipes 54 are set, and its outer wall sticks up fin 55 to housing 42 radial distribution, sticks up heat pipe 54 is set on the fin 55; Surround the exocoel that the space constitutes the main heat exchange chamber by sticking up fin 55, flue 49 outer walls, flue bent pipe 58 outer walls, vertical clapboard 56 and housing 42, flue 49 and flue bent pipe 58 are communicated with the indoor chamber of formation main heat exchange, main heat exchange chamber 51 is provided with air outlet tube mouth 43 with the top of vertical clapboard 56 relative housings 42, and air outlet tube mouth 43 is communicated with main heat exchange chamber 51 exocoels.Inferior Heat Room 52 centers are provided with passes through warm-air pipe 50, being close to its outer wall is provided with several heat pipes 49 all around to pass through warm-air pipe 50, its outer wall has the fin of sticking up 55 to housing 42 radial distribution, sticking up fin 55 keeps at a certain distance away with housing 42 bottoms and diaphragm plate 57, stick up fin 55 and be provided with heat pipe 49, be time Heat Room exocoel by the space of sticking up fin 55, pass through warm-air pipe 50 outer walls, hot blast bend pipe 59 outer walls, vertical clapboard 56, diaphragm plate 57 and housing 42 surrounding, pass through warm-air pipe 50 and link to each other with hot blast bend pipe 59 and constitute inferior Heat Room inner chamber; Inferior Heat Room 52 is established the smoke evacuation mouth of pipe 48 with the top of vertical clapboard 56 relative housings 42, and the smoke evacuation mouth of pipe 48 is communicated with time Heat Room 52 exocoels, the smoke evacuation mouth of pipe 48 peripheral hardwares smoke evacuation air-introduced machine 45; Inferior Heat Room 52 bottoms are provided with a blow-off pipe 46, are used to discharge flue gas condensing water.In the preheating chamber 53 therefrom the 42 direction settings of mind-set housing stick up fin 55, stick up fin 55 and keep at a certain distance away with housing 42 tops and diaphragm plate 57, stick up heat pipe 54 be set on the fin 55; Sticking up the space that fin 55, vertical clapboard 56, diaphragm plate 57 and housing 42 surround is preheating cavity; Preheating chamber 53 is established air intake pipe orifice 47 with the top of vertical clapboard 56 relative housings 42, air intake pipe orifice 47 peripheral hardware hot blast pressure fans 44.Inferior Heat Room 52 is identical with heat pipe 54 quantity in the preheating chamber 53, and correspondence is passed diaphragm plate 57 and connected one by one up and down; Heat pipe 54 in inferior Heat Room 52 and the preheating chamber 53 is connected with heat pipe 54 in the main heat exchange chamber 51 in the bottom, and top is passed preheating chamber top housing 42 and converged, and is connected with the liquid outlet 35 of heat exchangers in the boiler 28 by circulating pump 30; Heat pipe 54 in the main heat exchange chamber 51 passes main heat exchange chamber 51 top housings 42 and converges, and is connected with the inlet 32 of heat exchanger in the boiler 28.The top housing 42 that main heat exchange chamber 51 is passed on flue 49 tops in the main heat exchange chamber 51 stretches out and connects biogas burner 39, and the bottom penetrates vertical clapboard 56 by flue bent pipe 58, and the exocoel of homogeneous Heat Room 52 is communicated with, and with the exocoel isolation of main heat exchange chamber 51; Warm-air pipe 50 tops of passing through in the inferior Heat Room 52 penetrate diaphragm plate 57 and are communicated with preheating chamber 53, and the bottom penetrates vertical clapboard 56 by hot blast bend pipe 59 and is communicated with the exocoel of main heat exchange chamber 51, and the isolation of the exocoel of homogeneous Heat Room.Flue bent pipe 58 and hot blast bend pipe 59 are positioned at same plane, the staggered vertical clapboard 56 that penetrates.The indoor chamber of main heat exchange is communicated with time Heat Room exocoel like this, and the outdoor chamber of main heat exchange is communicated with time Heat Room inner chamber, and inferior Heat Room inner chamber 3 is communicated with preheating chamber.
Claims (8)
1. one kind is the comprehensive energy supplying system in greenhouse of raw material with biogas, connect to form by pipeline and valve (8) by hot water circuit heating system (10), overhead air-line system (11) and biogas lamp group (12) in greenhouse organic waste biogas fermentation device (1), biogas buffer storage device (2), the two power supply devices (3) of biogas warm braw hot water, flue gas washing cleaning system (4), hot water dispenser (5), gas distributor (6), biogas distributor (7), the soil body, it is characterized in that:
Biogas lamp group (12) is made up of biogas lamp stand (17) and biogas air supply pipe (25), biogas lamp stand (17) is evenly distributed, spacing between every row is a 1.5-2 rice, biogas lamp stand (17) is made up of dead lever (23) and the biogas lamp (22) that is distributed on the dead lever (23), biogas lamp stand (17) is fixed on the greenhouse upper frame (20) by pulley (19) and lifting rope (26), and biogas supply pipe (25) connects biogas lamp (22) by biogas arm (24);
The two power supply devices of biogas warm braw hot water are made up of boiler (28), combustion heat-exchange casing (29), circulating pump (30), burner (39), combustion heat-exchange casing (29) connects burner (39) by the chimney intake at top, boiler (28) is connected the interior heat pipe (54) of combustion heat-exchange casing (29) by pipeline with circulating pump (30), boiler is provided with heat exchanger in (28); Combustion heat-exchange casing (29) by housing (42), flue (49), diaphragm plate (57), vertical clapboard (56), pass through warm-air pipe (50) and form, the two ends of vertical clapboard (56) connect the upper and lower of housing (42) respectively, the two ends of diaphragm plate (56) connect housing (42) one sides and vertical clapboard (56) respectively, make housing (42) be separated into main heat exchange chamber (51), inferior Heat Room (52) and (53) three spaces of preheating chamber; Flue (49), flue bent pipe (58), heat pipe (54) are set in the main heat exchange chamber (51) and stick up fin (55), the main heat exchange chamber is divided into inside and outside two chambeies, flue (49) is positioned at the center of main heat exchange chamber (51), flue (49) and flue bent pipe (58) are communicated with the indoor chamber of formation main heat exchange, flue (49) inwall evenly is provided with heat pipe (54), stick up fin (55) and be uniformly distributed in flue (49) outer wall radially, stick up fin (55) and be provided with heat pipe (54); Be provided with in the inferior Heat Room (52) and pass through warm-air pipe (50), hot blast bend pipe (95), heat pipe (54) and stick up fin (55), inferior Heat Room is divided into inside and outside two chambeies, pass through warm-air pipe (50) and be positioned at time Heat Room (52) center, pass through warm-air pipe (50) and hot blast bend pipe (59) and be communicated with formation time Heat Room (52) inner chamber, pass through warm-air pipe (50) outer wall and be evenly distributed with heat pipe (54), stick up fin (55) and be uniformly distributed in the periphery of passing through warm-air pipe (50) radially, stick up fin (55) and be provided with heat pipe (54); Heat pipe (54) is set in the preheating chamber (53) and sticks up fin (55), the interior heat pipe (54) of the heat pipe (54) in the preheating chamber (53) and time Heat Room (52) is corresponding up and down, sticks up fin (55) and is fixed in radially on the heat pipe (54); The indoor chamber of main heat exchange is communicated with time Heat Room exocoel, and the outdoor chamber of main heat exchange is communicated with time Heat Room inner chamber, and inferior Heat Room inner chamber is communicated with preheating chamber;
Be connected by pipeline between greenhouse organic waste biogas fermentation device (1) and the biogas buffer storage device (2), biogas buffer storage device (2) is connected two power supply devices (3) of biogas warm braw hot water and biogas distributor (7) by pipeline respectively with valve (8), biogas distributor (7) connects biogas lamp group (12); There are two pipelines to link to each other between the two power supply devices (3) of biogas warm braw hot water and the hot water dispenser (5), wherein on a pipeline hot water circulating pump (9) are set, the interior hot water circuit heating system (10) of hot water dispenser (5) connection scholar body; The two power supply devices (3) of hot air heating wind-heat water are connected gas distributor (6) by pipeline with valve (8), and gas distributor (6) connects overhead air-line system (11); Between two power supply devices (3) of hot air heating wind-heat water and the flue gas washing cleaning system (4) bypass pipe is set, bypass pipe and lead on the pipeline between the flue gas washing cleaning system (4) valve (8) is set respectively, flue gas washing cleaning system (4) connects gas distributor (6).
2. according to claim 1 is the comprehensive energy supplying system in greenhouse of raw material with biogas, it is characterized in that being respectively equipped with on the every dead lever (23) solid becket bridle (21) and from moving-coil rope device (18), one end of lifting rope (26) is fixed on the solid becket bridle (21), and the other end passes pulley (19) and connects from moving-coil rope device (18).
3. according to claim 1 is the comprehensive energy supplying system in greenhouse of raw material with biogas, it is characterized in that every biogas lamp stand (17) both sides are provided with biogas supply pipe (25), every biogas supply pipe (25) dislocation connects biogas lamp (22), for biogas lamp (22) provides fuel
4. according to claim 1 is the comprehensive energy supplying system in greenhouse of raw material with biogas, it is characterized in that hot water circuit heating system (10) is positioned at below the 20cm of the chamber planting bed soil body (15) below in the soil body, form by plastic tube (13), plastic film (14), be evenly distributed with fenestra (16) on the plastic film (14), plastic tube (13) is uniformly distributed in plastic film (14) below.
5. according to claim 1 is the comprehensive energy supplying system in greenhouse of raw material with biogas, it is characterized in that boiler (28) is made up of insulation casing (40) and heat exchanger, heat exchanger comprises that heat exchange sticks up fin (41) and heat exchange heat pipe (27), heat exchanger is positioned at insulation casing (40) inside, heat exchange heat pipe (27) is serpentine configuration, the feed liquor mouth of pipe (32) and the fluid mouth of pipe (35) are established in insulation casing (40) top, the feed liquor mouth of pipe (32) connects heat exchange heat pipe (27) one ends, the fluid mouth of pipe (35) connects heat exchange heat pipe (27) other end, the top of insulation casing (28) is provided with exhaust outlet (33), and the bottom of sidewall is respectively equipped with hot water circuit water inlet (34), delivery port (37) and water supplement port (36).
6. according to claim 1 is the comprehensive energy supplying system in greenhouse of raw material with biogas, it is characterized in that time Heat Room (52) one upper lateral parts are provided with the smoke evacuation mouth of pipe (48), the smoke evacuation mouth of pipe (48) is communicated with time Heat Room (52) exocoel, the outer smoke evacuation air-introduced machine (45) that is provided with of the smoke evacuation mouth of pipe (48), inferior Heat Room (52) bottom is provided with blow-off pipe (46), is used to discharge the cold doubtful water of flue gas.
7. according to claim 1 is the comprehensive energy supplying system in greenhouse of raw material with biogas, it is characterized in that main heat exchange chamber (51) one upper lateral parts are provided with air outlet tube mouth (43), and air outlet tube mouth (43) is communicated with the exocoel of main heat exchange chamber (51).
8. according to claim 1 is the comprehensive energy supplying system in greenhouse of raw material with biogas, it is characterized in that preheating chamber (53) one upper lateral parts are provided with air intake pipe orifice (47), the outer hot blast pressure fan (44) that is provided with of air intake pipe orifice (47).
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| CN2006101476627A CN101040592B (en) | 2006-12-21 | 2006-12-21 | Integrated energy-providing system of greenhouse using methane as the raw material |
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| CN2006101476627A CN101040592B (en) | 2006-12-21 | 2006-12-21 | Integrated energy-providing system of greenhouse using methane as the raw material |
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| CN101040592B true CN101040592B (en) | 2011-05-25 |
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