CN201896116U - Solar auxiliary heating type methane manufacturing device - Google Patents
Solar auxiliary heating type methane manufacturing device Download PDFInfo
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- CN201896116U CN201896116U CN2010206516641U CN201020651664U CN201896116U CN 201896116 U CN201896116 U CN 201896116U CN 2010206516641 U CN2010206516641 U CN 2010206516641U CN 201020651664 U CN201020651664 U CN 201020651664U CN 201896116 U CN201896116 U CN 201896116U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- 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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- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The utility model discloses a solar auxiliary heating type methane manufacturing device, which comprises a biomass methane fermentation system. The biomass methane fermentation system comprises an anaerobic reaction box and a gas holder arranged at the upper part of the anaerobic reaction box, a gas outlet is formed on the gas holder, a breathing hole communicated with the anaerobic reaction box is formed at the bottom of the gas holder, a feeding port, a discharging port, a feeding port valve and a discharging port valve are arranged on the anaerobic reaction box, and a feeding pump is arranged between the feeding port valve and the anaerobic reaction box; the biomass methane fermentation system is connected with an auxiliary heating system which comprises a heat exchanger and a heat collector, and the heat exchanger is arranged at the bottom of the anaerobic reaction box; and at least one baffle plate and at least one heat exchanger are arranged in the middle of the inner side of the anaerobic reaction box, and the anaerobic reaction box is divided by the heat exchanger into a plurality of compartments. Through the heat exchangers and the baffle plates, feed liquid circulates circuitously up and down, so that the moving process of the feed liquid in the anaerobic reaction box is prolonged, the phenomena such as short circuit, dead angle, encrustation and the like are avoided, the retention time of sludge is guaranteed, and the fermentation efficiency is improved.
Description
Technical field
The utility model belongs to the biomass marsh gas fermentation technical field, particularly a kind of sun power auxiliary heating type biogas production device.
Background technology
Current, the development of global economy and society is many to be power with the energy, and economy is developed more, and energy consumption is many more, and the especially increase of fossil oil consumption makes us be faced with two outstanding problems: on the one hand, the fossil energy resource exhausts day by day along with exploiting to use; On the other hand, use fossil energy to cause serious environmental problem day by day in a large number.Therefore, the mankind are being faced with the dual-pressure of huge energy and environment.
If there is not the new energy to replace the dominant position of fossil conventional energy resources in energy structure, in 21 century serious, the catastrophic energy and ecocrisis will take place.Thereby renewable energy source is one of first-selected substitute energy.Because biomass energy is the important component part of renewable energy source, and is unique renewable energy source that can store and transport, so the development biomass energy becomes current focus.
In numerous biomass energy development and utilization technology, utilize feces of livestock and poultry and stalk produce biogas have cleaning, efficiently, characteristics cheaply, at home and abroad be used widely.Particularly in China, biogas industry has been realized the cycle development of agriculture production and life of farmers, has greatly saved rural energy.The development of marsh gas in rural area industry is the effective way that solves the fuel in China's rural areas problem and build the new rural area of saving type.
At present, existing family, China rural area is more than 1,300 ten thousand mouthfuls with (home-use) methane-generating pit, produces about 33 billion cubic meters of biogas per year, and wherein big-and-middle-sized biogas engineering 2200 many places are produced about 12 billion cubic meters of biogas per year, can be to 180,000 family resident's centralizedly supply pipeline biogas; The sanitary sewage purifying biogas generating pit development is rapid, and 80,000 many places, pond are built in the whole nation, can handle 2,800,000 people's sanitary sewage.With abroad compare, China also has big gap in the anaerobism technology of handling aspect the solid organic matters, mainly show the following aspects: 1. the anaerobic fermentation gas production rate is low, system's operation and management automation level are not high; 2. anaerobically fermenting and comprehensive utilization supporting technology and equipment are not mature enough; 3. anaerobic fermentation technology industrialized development speed is slow, is not easy to mass market and advances.Particularly at north cold area, biogas production and utilization are very restricted.Therefore, development level of automation height, stable, gas producing efficiency is high, it is imperative to be suitable for the biogas technology and the equipment in cold winter.
In various biogas production equipment, anaerobic baffled formula reactor has very big interfacial separation bacterium and gas, active sludge will be through repeatedly flowing out behind the baffling, thereby the delay sludge quantity is big, can produce hydrogen continuously, effectively solve feed liquid obstruction and demixing phenomenon, become the developing direction of present biogas fermentation equipment.And traditional anaerobic baffled formula reactor makes equipment can not satisfy the requirement of producing the natural pond winter, even if also can only reach mesophilic digestion summer owing to be not incubated measure; In addition, in mud refluxes, do not have the rational Match valve, mud can not closed circulation be flowed in reactor and return line, cause problems such as mud loss and gas producing efficiency are not high, limited the further application and the development of biomass marsh gas fermentation.
The utility model content
The purpose of this utility model provide a kind of stable, gas producing efficiency is high, can realize mesophilic digestion and the sun power auxiliary heating type biogas production device of summer high temperature fermentation in winter.
For achieving the above object, the technical solution of the utility model is: a kind of sun power auxiliary heating type biogas production device, comprise the biomass marsh gas fermentation system, the biomass marsh gas fermentation system comprises the gas holder of anaerobic reaction case and anaerobic reaction upper box part, gas holder is provided with the air outlet, the gas holder bottom is provided with the ventilating pit that is communicated with the anaerobic reaction case, the anaerobic reaction case is provided with opening for feed and discharge port and opening for feed valve and discharge port valve, be provided with fresh feed pump between opening for feed valve and the anaerobic reaction case, described biomass marsh gas fermentation system is provided with auxiliary heating system mutually, auxiliary heating system comprises interchanger, the heat collector that links to each other with interchanger, interchanger are arranged on anaerobic reaction case bottom; Anaerobic reaction case middle inside is provided with at least one traverse baffle and at least one interchanger, and interchanger is separated into a plurality of compartments with the anaerobic reaction case.
Be provided with attemperater between described interchanger and the heat collector, be connected with water level control system and temperature controlling system on the attemperater, attemperater is respectively equipped with electric heater and wash water valve inside and outside the bottom, on the pipeline that connects attemperater and interchanger, be provided with water circulating pump, be provided with the hot water inlet valve between water circulating pump and the interchanger.
Described interchanger bottom is provided with return water pipe, and return water pipe links to each other with rising pipe with the heat collector water inlet pipe; On heat collector water-in, water outlet place and return water pipe, be respectively equipped with water-in magnetic valve, water outlet magnetic valve and backwater magnetic valve; Be provided with vent valve at water outlet.
Described attemperater top is provided with water supplement port, and the water supplement port place is provided with the moisturizing valve.
Be provided with return line between described anaerobic reaction case and its discharge port valve, the return line the other end is communicated with on the pipeline between opening for feed valve and the fresh feed pump.
Described traverse baffle bottom is a kink, and the bending inclination angle is 30 °～75 °.
Described anaerobic reaction case inboard is positioned at opening for feed and discharge port top is respectively equipped with downward-sloping opening for feed dividing plate and discharge port dividing plate, and its angle of inclination is 30 °～60 °.
Described anaerobic reaction case bottom is provided with and the corresponding wash water valve of compartment; Corresponding ventilating pit is provided with two phase separator below the gas holder, the interchanger of two phase separator lower openings correspondence below.
Described interchanger comprises the heat transfer tube that is connected by flat board and is laid with the porous sieve plate of a plurality of water holes, porous sieve plate is separated into the heat collection water tank on top and the collection cold water storage cistern of bottom with heat exchanger cavity, and heat transfer tube top is provided with water trap, the end is connected with water hole.
Be provided with four skewed slots in the described water trap.
Compared with prior art, the utility model has the advantages that:
1, be provided with at least one traverse baffle in anaerobic reaction case middle inside, the bottom is provided with at least one interchanger, interchanger is separated into a plurality of compartments with the anaerobic reaction case, interchanger links to each other with heat collector, feed liquid and mud mix the back and are entered in the anaerobic reaction case by opening for feed, mixed solution flows downward after colliding first traverse baffle, behind the traverse baffle bottom, changing direction under the barrier effect of interchanger upwards flows, after feed liquid and interchanger carry out sufficient heat exchange, the biogas that produces enters gas holder by ventilating pit, after mixed solution experiences last piece interchanger and traverse baffle, flow out the anaerobic reaction case by discharge port, make the circuitous up and down baffling of feed liquid through polylith interchanger and traverse baffle, prolonged the motion flow process of feed liquid in the anaerobic reaction case, avoid short circuit, the dead angle, phenomenons such as crust have guaranteed detention time of mud, have improved fermentation efficiency; Simultaneously, make full use of solar heating, environment-protecting clean, it is little influenced by variation of ambient temperature, makes feed liquid be in higher temperature all the time, and the level of automation height can be implemented in and keeps thermophilic fermentation summer, keeps mesophilic digestion winter; In the fermenting process, interchanger both provided the heating thermal source for biogas fermentation, played the effect of traverse baffle again.
2, inner traverse baffle and the interchanger of adopting of anaerobic reaction case realized the baffling type anaerobic fermentation, can effectively avoid occurring the feed liquid demixing phenomenon, make the feed liquid distribution homogeneous in the anaerobic reaction case, promote that feed liquid fully contacts with sludge microbe, have the advantage that mass transfer effect is good, fermentation efficiency is high.
3, be provided with return line between anaerobic reaction case and its discharge port valve, the return line the other end is communicated with on the pipeline between opening for feed valve and the fresh feed pump, use by the mud backflow, can prevent the formation and the fouling of scum layer, make mud and feed liquid thorough mixing, make the pH value in the reactor keep stable, sludge microbe is evenly distributed, and preheating feeding temperature, accelerated fermenting speed, help the release of biogas and the propagation of heat, and then improved gas production rate.
4, interchanger is provided with water trap, and four skewed slots of water trap make hot water flow downward as zigzag shape along the heat transfer tube inner-wall surface, have strengthened the heat exchange effect between hot water and the heat transfer tube inner-wall surface.
Service requirements when 5, the electric heater of attemperater bottom can satisfy overcast and rainy and winter low temperature, realized biomass material summer high temperature fermentation and winter mesophilic digestion, reduced the influence of envrionment temperature to biogas fermentation.
6, hot water enters from the heat collection water tank of interchanger upper end, flow out by the collection cold water storage cistern of the cold water after the heat transfer tube heat exchange by the lower end, finally be aggregated into heat collector and since feed liquid all the time with heat transfer tube in hot water be reflux type (flow direction is opposite) motion, thereby strengthened the heat exchange effect.
7, simple in structure, reasonable in design, the science of the utility model is easy to operate, the level of automation height, and stable, the raw material suitability is strong, can be used for the recovery energy of materials such as feces of livestock and poultry, agricultural crop straw, industrial or agricultural sewage; Simultaneously, avoided the influence of winter low temperature by the solar energy thermal utilization to biogas fermentation, realized biomass material summer high temperature fermentation and winter mesophilic digestion, reduced the influence of envrionment temperature to biogas fermentation, effectively improve fermentation efficiency, guaranteed the stable and operation efficiently of reactor.
8, scale of the present utility model can zoom in or out according to actual needs, easily realizes stdn and commercialization, can satisfy family usefulness and mass-producing with the energy demand, and is easy to utilize.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model auxiliary heating system;
Fig. 3 is the structural representation of interchanger among Fig. 2;
Fig. 4 is the vertical view of water trap among Fig. 3.
Embodiment
Sun power auxiliary heating type biogas production device as shown in Figure 1, it comprises biomass marsh gas fermentation system and auxiliary heating system.The biomass marsh gas fermentation system comprises the gas holder 4 on anaerobic reaction case 1 and anaerobic reaction case 1 top, be used to store the biogas of production, anaerobic reaction case 1 is provided with opening for feed 2 and discharge port 3 and opening for feed valve 21 and discharge port valve 31, be provided with fresh feed pump 8 between opening for feed valve 21 and the anaerobic reaction case 1, be used for continuously feeding and mud and recycle.Be provided with return line 11 between anaerobic reaction case 1 and its discharge port valve 31, return line 11 is provided with return line valve 111, and return line 11 the other ends are communicated with on the pipeline between opening for feed valve 21 and the fresh feed pump 8.Mud refluxes through return line 11 and enters feed-pipe, mix with feed liquid in the feed-pipe on the one hand, play the effect of preheating feed liquid, provide required organism of fermentation for feed liquid on the other hand, continuously feeding under the effect of fresh feed pump 8 reaches that mud is recycled and the purpose of closed circulation.Be positioned at opening for feed 2 in anaerobic reaction case 1 inboard and discharge port 3 tops are respectively equipped with downward-sloping opening for feed dividing plate 22 and discharge port dividing plate 32, its angle of inclination is 30 °～60 °, to strengthen the mobile stirring extent of feed liquid, 45 ° of present embodiment medium dip angle Selection.
Be provided with four traverse baffles 10 in anaerobic reaction case 1 middle inside, it is divided into a plurality of closed cells with anaerobic reaction case 1, and traverse baffle 10 bottoms are kink, and the bending inclination angle is 30 °～75 °, and the bending inclination angle is selected 60 ° in the present embodiment; Be provided with interchanger 5 in anaerobic reaction case 1 inside bottom between traverse baffle 10, interchanger 5 is separated into four compartments 50 with anaerobic reaction case 1.Four compartments 50 of corresponding anaerobic reaction case 1 to having four wash water valves 7, are used to discharge natural pond liquid and natural pond slag in anaerobic reaction case bottom.
The gas holder 4 on anaerobic reaction case 1 top is provided with air outlet 9 and tensimeter 12, and what of biogas amount tensimeter 12 be used to monitor, and gas holder 4 bottoms are provided with the ventilating pit 41 that is communicated with anaerobic reaction case 1, and ventilating pit 41 is convenient to biogas and is upwards flowed into gas holder 4; Corresponding ventilating pit 41 is to having two phase separator 6, and two phase separator 6 lower openings are corresponding with the interchanger 5 of below, and the drop in the biogas that fermentation produces flow back into feed liquid by collision two phase separator 6, plays the purifying marsh gas effect.Gas holder 4 is that the bottom surface is that rectangular parallelepiped, wall are hemispheric hemispheric gas holder.By the pressure in the tensimeter 12 monitoring gas holders 4, when insufficient pressure, start fresh feed pump 8 beginning chargings; When pressure was higher, 9 discharged biogas through the air outlet.
Anaerobic reaction case 1 is welded by the thick Q235 steel plate of 6mm, for avoiding anaerobic reaction case 1 quilting corrosion, is brushed with bituminous epoxy paint at the steel plate inwall.Anaerobic reaction case 1 outside is provided with insulation construction, insulation construction is made of internal insulation layer and outer protection layer, wherein thermal insulation layer adopts the thick extruded polystyrene foam hard plate material of 100mm, foam board is inner to be closed bubble structure independently, and it is the environment-friendly type lagging material that excellent properties such as a kind ofly has high resistance to compression, do not absorb water, moistureproof, airtight, lightweight, corrosion-resistant, long service life, thermal conductivity are low; Protective layer is the thick sheet iron of 0.5mm that is fixed on the thermal insulation layer outside, is used to protect the thermal insulation layer material, plays fire prevention, waterproof, protection against the tide and effect attractive in appearance.
The insulation construction that return line 11 peripheral hardwares are made of thermal insulation layer and protective layer, this insulation construction is identical with the insulation construction of anaerobic reaction case 1 outside.
Use fermenting process of the present utility model to be: earlier with feed liquid and mud with the mixed of 2:1, under the effect of fresh feed pump 8, enter in the anaerobic reaction case 1 by opening for feed 21; Mixed solution flows downward after colliding first traverse baffle 10, behind the bending inclination angle by 60 ° of traverse baffle 10 bottoms, changes direction and upwards flow under the barrier effect of first interchanger 5; After feed liquid and interchanger 5 carry out sufficient heat exchange, under the effect of two phase separator 6, carry out gas-liquid separation, the biogas that produces enters gas holder 4 by the ventilating pit 41 of two phase separator 6 tops, and droplets entrained flow back in the feed liquid under the effect of two phase separator 6 and carries out next baffling with mixed solution in the biogas; After mixed solution experiences last piece interchanger 5 and traverse baffle 10, flow out anaerobic reaction case 1 by discharge port 3.Polylith interchanger 5 and traverse baffle 10 make the circuitous up and down baffling of feed liquid in the anaerobic reaction case 1, have prolonged the motion flow process of feed liquid in anaerobic reaction case 1, avoid phenomenons such as short circuit, dead angle, crust, have guaranteed detention time of mud, have improved fermentation efficiency.
Various combination by opening for feed valve 21, discharge port valve 31 and 111 opening and closing of return line valve, reach into and out of the purpose of feed liquid operation and mud backflow stirring, its concrete principle of work is: when charging, open opening for feed valve 21, close discharge port valve 31 and return line valve 111, start fresh feed pump 8, feed liquid flows to anaerobic reaction case 1 by opening for feed 2 and fresh feed pump 8, under the effect of opening for feed dividing plate 22, feed liquid flows downward, then successively by traverse baffle 10 and interchanger 5, through the discharge port 3 that repeatedly makes a circulation to flow to; When discharging, close opening for feed valve 21, open discharge port valve 31 and return line valve 111, start fresh feed pump 8 feed liquid discharged, the residue feed liquid that anaerobic reaction case 1 bottom can not be discharged can be respectively through wash water valve 7 emptyings of each compartment 50 bottom; When biogas fermentation normally carries out, close opening for feed valve 21 and discharge port valve 31, open return line valve 111, start fresh feed pump 8, feed liquid and mud will circulate in anaerobic reaction case 1, return line 11, realize not stopping the purpose that stirs and continuously ferment.
As shown in Figure 2, auxiliary heating system comprises the aforementioned attemperater 20 that is provided with between interchanger 5, heat collector 13, interchanger 5 and the heat collector 13 of anaerobic reaction case 1 inside that is distributed in, on the pipeline that connects attemperater 20 and interchanger 5, be provided with water circulating pump 27, hot water inlet 58 places between water circulating pump 27 and the interchanger 5 are provided with hot water inlet valve 57, and cooling water outlet 510 places of interchanger 5 bottoms are provided with cooling water outlet valve 59.Interchanger 5 is evenly distributed in the feed liquid, utilizes hot water to come to play the traverse baffle effect on the other hand for feed liquid provides the constant temperature thermal source on the one hand.Hot water inlet valve 57 and cooling water outlet valve 59 are used to control discharge jointly and regulate feed temperature, when feed temperature is low, open big hot water inlet valve 57, increase the hot water service amount, turn down cooling water outlet valve 59, reduce the cold water flow output; When feed temperature is higher, turn down hot water inlet valve 57, reduce the hot water service amount, open big cooling water outlet valve 59, increase the cold water flow output.On attemperater 20, be connected with the water level control system 34 and the temperature controlling system 35 that link to each other with temperature sensor with its water level inside transmitter, be used to control the elevation of water surface and the water temperature of attemperater 20 inside, temperature intelligent control transmission device by temperature controlling system 35 is set Heating temperature, the control of implementation thermostatically heating, be set at 40 ℃ winter, be set at 60 ℃ summer.Inside and outsidely in attemperater 20 bottoms be respectively equipped with electric heater 30 and wash water valve 33, top are provided with water supplement port 24, water supplement port 24 places are provided with moisturizing valve 26.The main effect of water supplement port 24 is when the hot water in the attemperater 20 loses, and carries out moisturizing through water supplement port 24.Wash water valve 33 is used for blowdown and maintenance.
Service requirements when the electric heater 30 of attemperater 20 bottoms can satisfy overcast and rainy and winter low temperature.In addition, electric heater 30 has automatic control switch, when water temperature in winter be lower than 40 ℃, when water temperature was lower than 60 ℃ and overcast and rainy heat collector 13 and can not works summer, automatically starting electric heater 30, when water temperature in winter be higher than 40 ℃, when summer, water temperature was higher than 60 ℃, electric heater 30 cuts out automatically.
Be provided with return water pipe 39 from cooling water outlet 510 extensions of interchanger 5 bottoms, return water pipe 39 links to each other with rising pipe with the water inlet pipe of heat collector 13, on heat collector 13 water-ins 14, water outlet 15 places and return water pipe 39, be respectively equipped with water-in magnetic valve 16, water outlet magnetic valve 19 and backwater magnetic valve 18, be provided with vent valve 17 at water outlet 15, be used for discharging the air of heat collector 13.
The inner bag of attemperater 20 is SUS304-2B food grade stainless steel plate, inferior arc welding, and thickness is 1.2mm, and the middle level is the thick full-polyurethane insulating foam layer of 50mm, and tank outer wall is packaged as stainless steel.
Three magnetic valves are set in auxiliary heating system altogether, be water-in magnetic valve 16, water outlet magnetic valve 19 and backwater magnetic valve 18, its principle of work is: when water temperature in the Winter protection water tank 20 is lower than 40 ℃ or when summer, water temperature was lower than 60 ℃, water-in magnetic valve 16 and water outlet magnetic valve 19 are opened, backwater magnetic valve 18 cuts out, and hot water carries out closed circulation by water circulating pump 27 in heat collector 13, attemperater 20 and interchanger 5; When overcast and rainy or low temperature, during heat collector 13 cisco unity malfunctions, water-in magnetic valve 16 and water outlet magnetic valve 19 are closed, and backwater magnetic valve 18 is opened, and electric heater 30 starts, and carries out boosting, to satisfy the requirement to the hot water temperature.
When above-mentioned auxiliary heating system is worked, at first the temperature intelligent control transmission device of temperature controlling system 35 is set Heating temperature: be set at 40 ℃ winter, be set at 60 ℃ summer; Then with topped up with water in the vacuum tube solar heating element 13, be transported to attemperater 20, overcast and rainy startup electric heater unit 30 heating after utilizing sun power with the water heating.Open water circulating pump 27, hot water is circulated in interchanger 5 and subsidiary pipeline thereof heat feed liquid, when the hot water temperature reaches the temperature that sets in the attemperater 20, the temperature controlling system auto power off, water circulating pump 27 quits work, and closing corresponding solenoid valve, system stops heating.The outside heat release of system because biogas continuously ferments, when the hot water temperature was lower than the temperature that sets, solar heating system started water circulating pump 27 and opens corresponding solenoid valve, once more to the feed liquid heating, until reaching desired temperature.By the regulation and control of solar heating and temperature controlling system, make that feed liquid is in constant temp all the time in the fermentation system, to satisfy the needs of the efficient fermentation of biogas.
As shown in Figure 3, interchanger 5 is the plate-type heat-pipe interchanger, be convenient to hot water temperature's uniformity, it comprises by dull and stereotyped 56 heat transfer tubes that connect 54 and the porous sieve plate 2 that is laid with a plurality of water holes 511, heat transfer tube 54 is the single tube parallel connection, every heat transfer tube 54 connects by dull and stereotyped 56, and dull and stereotyped 56 are welded on the bus of every heat transfer tube 54, play the fin effect; Porous sieve plate 2 is separated into the heat collection water tank 51 on top and the collection cold water storage cistern 55 of bottom with interchanger 5 cavitys, and heat transfer tube 54 tops are provided with water trap 53, the end is connected with water hole 511, and porous sieve plate 2 is evenly distributed in the every heat transfer tube 54 hot water.
Hot water enters from the heat collection water tank 51 of interchanger 5 upper ends, flows out by the collection cold water storage cistern 55 of the cold water after heat transfer tube 54 heat exchange by the lower end, finally is aggregated into heat collector 13.Because feed liquid is reflux type (flow direction is opposite) motion with heat transfer tube 54 interior hot water all the time, thereby has strengthened the heat exchange effect.
Shown in Figure 4, be provided with four skewed slots in the water trap 53, the skewed slot of hot water by water trap 53 flowed downward as zigzag shape along the inner tubal wall of heat transfer tube 54, inwall at heat transfer tube 54 just forms water membrane like this, can improve the coefficient of heat transfer of hot water and heat transfer tube 54, improve the heat exchange effect of heat transfer tube 54, save the hot water consumption.
Heat collection water tank 51 is SUS304-2B food grade stainless steel plate, inferior arc welding with the inner bag of collection cold water storage cistern 55, and thickness is 1.2mm, and the middle level is the thick full-polyurethane insulating foam layer of 50mm, and outer wall is packaged as stainless steel.Porous sieve plate 2 is welded by the thick Q235 steel plate of 6mm, and the steel plate inwall is brushed with bituminous epoxy paint, can effectively avoid the quilting corrosion, increases the service life.Heat transfer tube 54 is corrosion-resistant stainless steel pipes of external diameter 22mm, internal diameter 20mm, wall thickness 1 mm.Dull and stereotyped 56 the thick Q235 steel plate of material selection 5mm, the steel plate both sides all are brushed with bituminous epoxy paint, avoid the quilting corrosion, increase the service life.
Claims (10)
1. sun power auxiliary heating type biogas production device, comprise the biomass marsh gas fermentation system, the biomass marsh gas fermentation system comprises the gas holder of anaerobic reaction case and anaerobic reaction upper box part, gas holder is provided with the air outlet, the gas holder bottom is provided with the ventilating pit that is communicated with the anaerobic reaction case, the anaerobic reaction case is provided with opening for feed and discharge port and opening for feed valve and discharge port valve, be provided with fresh feed pump between opening for feed valve and the anaerobic reaction case, it is characterized in that, described biomass marsh gas fermentation system is provided with auxiliary heating system mutually, auxiliary heating system comprises interchanger, the heat collector that links to each other with interchanger, interchanger are arranged on anaerobic reaction case bottom; Anaerobic reaction case middle inside is provided with at least one traverse baffle and at least one interchanger, and interchanger is separated into a plurality of compartments with the anaerobic reaction case.
2. sun power auxiliary heating type biogas production device as claimed in claim 1, it is characterized in that, be provided with attemperater between described interchanger and the heat collector, be connected with water level control system and temperature controlling system on the attemperater, attemperater is respectively equipped with electric heater and wash water valve inside and outside the bottom, on the pipeline that connects attemperater and interchanger, be provided with water circulating pump, be provided with the hot water inlet valve between water circulating pump and the interchanger.
3. sun power auxiliary heating type biogas production device as claimed in claim 2 is characterized in that, described interchanger bottom is provided with return water pipe, and return water pipe links to each other with rising pipe with the heat collector water inlet pipe; On heat collector water-in, water outlet place and return water pipe, be respectively equipped with water-in magnetic valve, water outlet magnetic valve and backwater magnetic valve; Be provided with vent valve at water outlet.
4. sun power auxiliary heating type biogas production device as claimed in claim 3 is characterized in that described attemperater top is provided with water supplement port, and the water supplement port place is provided with the moisturizing valve.
5. as claim 1,2,3 or 4 described sun power auxiliary heating type biogas production devices, it is characterized in that, be provided with return line between described anaerobic reaction case and its discharge port valve, the return line the other end is communicated with on the pipeline between opening for feed valve and the fresh feed pump.
6. sun power auxiliary heating type biogas production device as claimed in claim 5 is characterized in that described traverse baffle bottom is a kink, and the bending inclination angle is 30 °～75 °.
7. sun power auxiliary heating type biogas production device as claimed in claim 6, it is characterized in that, described anaerobic reaction case inboard is positioned at opening for feed and discharge port top is respectively equipped with downward-sloping opening for feed dividing plate and discharge port dividing plate, and its angle of inclination is 30 °～60 °.
8. sun power auxiliary heating type biogas production device as claimed in claim 7 is characterized in that, described anaerobic reaction case bottom is provided with and the corresponding wash water valve of compartment; Corresponding ventilating pit is provided with two phase separator below the gas holder, the interchanger of two phase separator lower openings correspondence below.
9. sun power auxiliary heating type biogas production device as claimed in claim 8, it is characterized in that, described interchanger comprises the heat transfer tube that is connected by flat board and is laid with the porous sieve plate of a plurality of water holes, porous sieve plate is separated into the heat collection water tank on top and the collection cold water storage cistern of bottom with heat exchanger cavity, and heat transfer tube top is provided with water trap, the end is connected with water hole.
10. sun power auxiliary heating type biogas production device as claimed in claim 9 is characterized in that, is provided with four skewed slots in the described water trap.
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| CN2010206516641U CN201896116U (en) | 2010-12-10 | 2010-12-10 | Solar auxiliary heating type methane manufacturing device |
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| CN2010206516641U CN201896116U (en) | 2010-12-10 | 2010-12-10 | Solar auxiliary heating type methane manufacturing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070289A (en) * | 2010-12-10 | 2011-05-25 | 河南农业大学 | Solar auxiliary heating methane production device |
| CN102634444A (en) * | 2012-05-03 | 2012-08-15 | 吉林省农业机械研究院 | Methane production device without energy consumption suitable for cold region in winter |
| CN104556611A (en) * | 2014-11-27 | 2015-04-29 | 中山大学 | Anaerobic sludge reactor |
-
2010
- 2010-12-10 CN CN2010206516641U patent/CN201896116U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070289A (en) * | 2010-12-10 | 2011-05-25 | 河南农业大学 | Solar auxiliary heating methane production device |
| CN102634444A (en) * | 2012-05-03 | 2012-08-15 | 吉林省农业机械研究院 | Methane production device without energy consumption suitable for cold region in winter |
| CN102634444B (en) * | 2012-05-03 | 2013-08-21 | 吉林省农业机械研究院 | Methane production device without energy consumption suitable for cold region in winter |
| CN104556611A (en) * | 2014-11-27 | 2015-04-29 | 中山大学 | Anaerobic sludge reactor |
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