CN108559706A - A kind of methane-generating pit heats regulating device - Google Patents
A kind of methane-generating pit heats regulating device Download PDFInfo
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- CN108559706A CN108559706A CN201810631767.2A CN201810631767A CN108559706A CN 108559706 A CN108559706 A CN 108559706A CN 201810631767 A CN201810631767 A CN 201810631767A CN 108559706 A CN108559706 A CN 108559706A
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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
- 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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- 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
- 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
- C12M41/22—Heat exchange systems, e.g. heat jackets or outer envelopes in contact with the bioreactor walls
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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
- C12M41/24—Heat exchange systems, e.g. heat jackets or outer envelopes inside the vessel
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Abstract
The present invention relates to a kind of methane-generating pits to heat regulating device, belongs to technical field of methane, which includes mathane generating pool, photovoltaic group, solar thermal collector, thermoelectric generator, power selection switch and central controller；Fever rotation axis is equipped in mathane generating pool, outside is equipped with rotary electric machine group, and interior bottom is equipped with cooling fin；Photovoltaic group is connected with accumulator one；Photovoltaic group, accumulator one, power selection switch and central controller are electrically connected two-by-two successively；Solar thermal collector divides into heating water tank, and the water inlet pipe and outlet pipe being connected to cooling fin are communicated in heating water tank；The water inlet pipe and outlet pipe regulate and control hot water circuit by water pump thereon, and the temperature difference is generated in thermoelectric generator and realizes power generation, and is stored in accumulator two；Mathane generating pool is equipped with the inside and outside temperature sensor being electrically connected with central controller；Central controller starts corresponding control model according to received signal judgement, realizes to being heated in mathane generating pool.
Description
Technical field
The invention belongs to technical field of methane, and in particular, to a kind of methane-generating pit heats regulating device.
Background technology
Biogas is a kind of flammable mixing that organic matter is generated through the decomposition of microorganism under appropriate conditions
Gas, the great advantage that biogas is different from other biomass energies are that one side biogas is a kind of high fever of relative clean
It is worth the energy, the product biogas slurry and biogas residue of another aspect biogas fermentation can be used again, and instead of chemical fertilizer and pesticide, this is just maximum
The utilization ratio for improving the energy of limit, meanwhile, using biogas as the energy, rural area can be efficiently reduced because firewood is to forest
The destruction of resource, it is estimated that a bite 8m3Domestic methane tank can make 0.13-0.20hm every year2The forest reserves are from felling.Therefore,
Come Substitute coal, stalk and fuel wood using biogas, is a kind of mode of effectively save resource.Therefore, in numerous usings energy source
In mode, the effect of biogas is huge and irreplaceable.In the factor of numerous influence biogas fermentations, temperature is crucial
Determinant.For usual low temperature to the toxic effect of fermentation system, it can reduce the activity of enzyme and the metabolism of microorganism in system
Rate reduces the affinity of microorganism and substrate, eventually leads to gas production decline.Methane-generating pit for farm household is built in outdoor mostly,
And the spontaneous fermentation temperature of the absolute most area in China is less than 30 DEG C, is consequently belonging to cold fermentation.On the cold ground of northern China
Area, such as Heilungkiang, Inner Mongol the north, Xinjiang, Tibet etc., the temperature under zero in winter is even more to directly result in methane-generating pit to stop production
Gas, or even there is the problems such as bursting by freezing failure.Also often there is the insufficient situation of aerogenesis in the low temperature time in other areas, and low temperature causes
Pond aerogenesis aerogenesis discontinuity and unstability seriously affected peasant household use household biogas enthusiasm, also counteract family
With the further genralrlization application of biogas technology.
Invention content
In order to solve deficiency in the prior art, a kind of methane-generating pit of present invention offer heats regulating device.The device is based on
Solar energy thermo-electric generation and solar photovoltaic powered, the reasonable distribution of intelligence realization electric energy and utilization, solution cloudy day or daytime
Short etc. that mathane generating pool is caused to heat the problem that effect is poor, gas production is low, promote mathane generating pool heats effect.
To achieve the goals above, the concrete scheme that the present invention uses for：
A kind of heating firedamp gas regulating device, including mathane generating pool, photovoltaic group, solar thermal collector, the temperature difference hair
Electric appliance, power selection switch and central controller；
The mathane generating pool interior parallel set there are two generate heat rotation axis, the fever rotation axis with setting in mathane generating pool
The rotary electric machine group in outside is connected；The interior bottom of the mathane generating pool is equipped with cooling fin；
It is provided with accumulator one below the photovoltaic group；The photovoltaic group, accumulator one, power selection switch
It is electrically connected two-by-two successively with central controller；
It is provided with heating water tank below the solar thermal collector, is respectively communicated with equipped with water inlet pipe and outlet pipe in heating water tank；
The water inlet pipe and outlet pipe are connected to cooling fin；It is both provided on the water inlet pipe and outlet pipe and connects with power selection switch
The water pump connect；Cycle of the water pump for regulating and controlling hot water in heating water tank, and cold end, hot junction are realized in thermoelectric generator,
It generates the temperature difference and realizes power generation, and electricity is stored in the accumulator two being electrically connected respectively with thermoelectric generator and power selection switch
In；
The internal temperature sensor for being internally provided with temperature in monitoring mathane generating pool of the mathane generating pool, outside is equipped with monitoring
The external temperature sensor of natural temperature；The internal temperature sensor and external temperature sensor are electrically connected with central controller
It connects, central controller starts corresponding control model according to received signal judgement；
The control model includes following two：When natural temperature is higher than preset value, central controller is opened by power supply selection
It puts row control into, realizes the power supply of photovoltaic group to being heated in mathane generating pool, thermoelectric generator stores for future use；When certainly
When right temperature is less than preset value, central controller is controlled by power selection switch, realizes photovoltaic group and the temperature difference
Electric organ is powered to being heated in mathane generating pool simultaneously.
It is advanced optimized as to said program, the fever rotation axis is the metallic heating body of heating power.
As the further optimization to said program, double wedge is provided in the fever rotation axis.
As the further optimization to said program, the surface of the fever rotation axis is equipped with erosion shield.
As the further optimization to said program, the preparation method of the erosion shield is as follows：
According to parts by weight, 10 parts of alpha-silicon nitride powders are pre-processed, remove impurity；
Alpha-silicon nitride powders are carried out with 5 parts of silane coupling agents again to couple modification, the alpha-silicon nitride powders of surface modification are obtained after dry；
The alpha-silicon nitride powders that surface is modified are mixed with 6 parts of epoxy resin, 2 parts of polyamide curing agents, 1 part of solvent, ball milling makes to fill out
Material is uniformly mixed and obtains interlayer coatings；
It is according to parts by weight, 10 parts of poriferous titanium dioxide slurries and 5 parts of microorganism formulations are compound, obtain outer layer coating；
The good interlayer coatings of ball milling are coated in fever rotation axis matrix surface, are dried, solidification 20h is obtained under the conditions of 80-120 DEG C
Anti-corrosion inner coating；
Coat 1-3 layers of outer layer coating again in the coating internally coated fever rotation axis of anti-corrosion, total coating layer thickness is less than 5mm, system
Standby erosion shield.
It is advanced optimized as to said program, the cooling fin is composed of multigroup tubule with bending structure；Institute
The center for stating cooling fin is equipped with the connection supervisor be connected with tubule；The connection supervisor connects with water inlet pipe and outlet pipe respectively
It is logical.
It is advanced optimized as to said program, the surface layer of the heating water tank (18) is equipped with insulating layer.
Advantageous effect：
1, overcome it is simple generated electricity the defect heated using solar panel, short etc. cause to solve cloudy day, daytime
Mathane generating pool heats that effect is poor, the low technical problem of gas production；
2, intelligence degree height may be implemented the reasonable distribution of electric energy, utilize, and significantly promote heating for mathane generating pool
Effect；
3, mode diversification is heated inside mathane generating pool so that it is more energy saving, reasonable to be heated inside mathane generating pool；
4, rotation axis one, fever two matrix surface of rotation axis are generated heat coated with erosion shield, wherein in erosion shield
It is provided with microorganism formulation, the microorganism formulation puts the fermentation process in sustainable promotion mathane generating pool by sustained release, most
Gas production is promoted eventually.
Description of the drawings
Fig. 1 is heating firedamp gas regulating device structure chart of the present invention；
Fig. 2 is heat radiating fin structure figure of the present invention；
Reference sign：1. photovoltaic group, 2. accumulators one, 3. power selection switch, 4. central controllers, 5.
Conducting wire, 6. water pumps one, 7. rotary electric machine groups, 8. cooling fins, 9. mathane generating pools, the 10. fever fever rotations of rotation axis one, 11.
Axis two, 12. water pumps two, 13. accumulators two, 14. thermoelectric generators, 15. outlet pipes, 16. water inlet pipes, 17, solar thermal collector,
18. heating water tank, 19. tubules, 20. connection supervisors, 21. bending structures.
Specific implementation mode
Below in conjunction with the embodiment of the present invention and its attached drawing, technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.
Embodiment 1
As shown in Figure 1, a kind of household biogas based on solar energy thermo-electric generation heats regulating device, including：Biogas occurs
Pond 9, photovoltaic group 1, solar thermal collector 17, thermoelectric generator 14, power selection switch 3 and central controller 4.It is described
1 lower section of photovoltaic group is provided with accumulator 1, and wherein photovoltaic group 1 is electrically connected with the realization of accumulator 1, electric power storage
Pond 1 is electrically connected with power selection switch 3, and power selection switch 3 is electrically connected with central controller 4；
9 side of the mathane generating pool is provided with rotary electric machine group 7, and interior middle part is arranged in parallel with fever one 10 He of rotation axis
Rotation axis 2 11, the fever rotation axis 1 and the fever rotation axis 2 11 of generating heat pass through rotation axis and the cooperation of rotary electric machine group 7
Installation, wherein the fever rotation axis 1 is metallic heating body with fever rotation axis 2 11, is powered i.e. heatable.
The interior bottom of the mathane generating pool 9 is additionally provided with cooling fin 8.As shown in Fig. 2, the cooling fin 8 is by multigroup tool
There is the tubule 19 of bending structure 21 to be composed, and the tubule 19 be provided centrally with connection supervisor 20, the tubule 19 with
20 conducting of connection supervisor, connection supervisor 20 are connected to when using with water inlet pipe 15, outlet pipe 16, the setting master of the bending structure 21
It is used for 8 heat dissipation area of heat radiation piece so that there is sufficiently large contact area inside cooling fin 8 and mathane generating pool 9, to
9 inner material of mathane generating pool can be quickly transferred heat to, realization heats effect.
14 side of the thermoelectric generator is provided with accumulator 2 13, the accumulator 2 13 by conducting wire 5 respectively with temperature
Poor electric organ 14, power selection switch 3 are electrically connected, and 17 lower section of the solar thermal collector is provided with heating water tank 18, and being used for will
Radiant heat transfer to heating water tank is heated, and 18 both ends of heating water tank are respectively arranged with water inlet pipe 15 and outlet pipe 16, described
Water inlet pipe 15 and outlet pipe 16 are each passed through thermoelectric generator 14, mathane generating pool 9 is connected to cooling fin 8, will be through solar energy collection
Hot water after hot device effect in heating water tank enters cooling fin heat dissipation by outlet pipe, then is recycled by water inlet pipe and flow into heating water
Case.18 surface layer of the heater box is provided with insulating layer, the loss for preventing 18 heat of heating water tank.The water inlet pipe 15 goes out
Water pump 1, water pump 2 12 are respectively arranged on water pipe 16, the water pump 1, water pump 2 12 are electric with power selection switch 3 respectively
Connection for the cycle of hot water in heating water tank 18, and realizes cold end, hot junction in thermoelectric generator 14, generates the temperature difference and realizes
Power generation.
9 inside of the mathane generating pool is provided with multiple temperature sensors with outside, and the temperature sensor is controlled with center
Device 4 processed is electrically connected, and 9 outside setting temperature sensor of the mathane generating pool is mainly used for the monitoring to natural temperature, biogas hair
Raw 9 internal temperature sensor of pond is mainly used for the monitoring to temperature in mathane generating pool 9, temperature sensor treated electric signal
Transmission central controller 4, central controller 4 start corresponding control model according to signal determining.
Control model one：When natural temperature is higher than preset value, central controller 4 is controlled by power selection switch 3
System realizes that photovoltaic group 1 is powered to being heated in mathane generating pool 9, and thermoelectric generator 14 stores for future use；
Control model two：When natural temperature is less than preset value, central controller 4 is controlled by power selection switch 3
System realizes that photovoltaic group 1 and thermoelectric generator 14 are powered simultaneously to being heated in mathane generating pool 9, and promotion heats effect
Fruit.
It is provided with uniform double wedge in the fever rotation axis 1, fever rotation axis 2 11, the double wedge shape is unlimited.Institute
State fever rotation axis 1, fever rotation axis 2 11 is mainly used for heating inside mathane generating pool 9, while rotation axis one of generating heat
10, rotation axis 2 11 of generating heat is in rotary state when heating so that 9 inside heating of mathane generating pool is more uniform quick, institute
State fever rotation axis 1, be provided with uniform double wedge in fever rotation axis 2 11, the double wedge can increase fever rotation axis 1,
Rotation axis 2 11 of generating heat rotates contact area so that fever rotation axis 1, the fever stirring of rotation axis 2 11 are more uniform.It is described
It is provided with erosion shield in fever rotation axis 1, fever rotation axis 2 11, the erosion shield is used for, rotation axis of generating heat
Two corrosion protection.
The erosion shield preparation method is as follows：According to parts by weight, 10 parts of alpha-silicon nitride powders are pre-processed, it is described
Pretreatment is that particle screen selecting and high-temperature process remove other impurities；Coupling is carried out to alpha-silicon nitride powders with 5 parts of silane coupling agents again
Connection is modified, and surface is obtained after dry and is modified alpha-silicon nitride powders；Surface is modified alpha-silicon nitride powders and 6 parts of epoxy resin, 2 parts of polyamides
Amine hardener, 1 part of solvent mixing, ball milling make filler be uniformly mixed and obtain interlayer coatings；According to mass parts, by 10 parts porous two
Titania slurry and 5 parts of microorganism formulations are compound, obtain outer layer coating, wherein the microorganism formulation is to be conducive to biogas fermentation
Any microorganism formulation；The good interlayer coatings of ball milling are coated in fever rotation axis 1, fever 2 11 matrix table of rotation axis
Face is dried, solidification 20h obtains anti-corrosion inner coating under the conditions of 80-120 DEG C；The internally coated fever rotation axis 1 of coating anti-corrosion,
1-3 layers of outer layer coating are coated in fever rotation axis 2 11 again, total coating layer thickness is less than 5mm.The anti-corrosion inner coating is mainly used
In rotation axis 1 of generating heat, the protection for 2 11 matrix surface of rotation axis that generates heat, the corruption of 9 middle acid substance of mathane generating pool is prevented
The coating of erosion, the outer layer coating is mainly used for the gentle release of cladding of microorganism formulation, and realization persistently promotes mathane generating pool
Fermentation process, to promote gas production.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of methane-generating pit heats regulating device, it is characterised in that：Including mathane generating pool（9）, photovoltaic group（1）, too
Positive energy heat collector（17）, thermoelectric generator（14）, power selection switch（3）And central controller（4）；
The mathane generating pool（9）Interior parallel is set there are two rotation axis of generating heat, and the fever rotation axis is sent out with setting in biogas
Raw pond（9）The rotary electric machine group in outside（7）It is connected；The mathane generating pool（9）Interior bottom be equipped with cooling fin（8）；
The photovoltaic group（1）Lower section is provided with accumulator one（2）；The photovoltaic group（1）, accumulator one（2）、
Power selection switch（3）And central controller（4）It is electrically connected two-by-two successively；
The solar thermal collector（17）Lower section is provided with heating water tank（18）, heating water tank（18）On be respectively communicated with equipped with water inlet
Pipe（16）And outlet pipe（15）；The water inlet pipe（16）And outlet pipe（15）And cooling fin（8）Connection；The water inlet pipe（16）
And outlet pipe（15）On be both provided with and power selection switch（3）The water pump of connection；The water pump is for regulating and controlling heating water tank
（18）The cycle of middle hot water, and in thermoelectric generator（14）Middle realization cold end, hot junction generate the temperature difference and realize power generation, and electricity is stored up
Be stored in respectively with thermoelectric generator（14）And power selection switch（3）The accumulator two of electrical connection（13）In；
The mathane generating pool（9）Be internally provided with monitoring mathane generating pool（9）The internal temperature sensor of interior temperature, outside are set
There is the external temperature sensor of monitoring natural temperature；The internal temperature sensor and external temperature sensor are controlled with center
Device（4）Electrical connection, central controller（4）Start corresponding control model according to received signal judgement；
The control model includes following two：When natural temperature is higher than preset value, central controller（4）It is selected by power supply
Switch（3）It is controlled, realizes photovoltaic group（1）Power supply is to mathane generating pool（9）It is inside heated, thermoelectric generator
（14）It stores for future use；When natural temperature is less than preset value, central controller（4）Pass through power selection switch（3）It is controlled,
Realize photovoltaic group（1）And thermoelectric generator（14）Power supply is to mathane generating pool simultaneously（9）Inside heated.
2. a kind of methane-generating pit as described in claim 1 heats regulating device, it is characterised in that：The fever rotation axis is to be powered
The metallic heating body of fever.
3. a kind of methane-generating pit as claimed in claim 1 or 2 heats regulating device, it is characterised in that：In the fever rotation axis
It is provided with double wedge.
4. a kind of methane-generating pit as claimed in claim 3 heats regulating device, it is characterised in that：The surface of the fever rotation axis
Equipped with erosion shield.
5. a kind of methane-generating pit as claimed in claim 4 heats regulating device, it is characterised in that：The preparation of the erosion shield
Method is as follows：
According to parts by weight, 10 parts of alpha-silicon nitride powders are pre-processed, remove impurity；
Alpha-silicon nitride powders are carried out with 5 parts of silane coupling agents again to couple modification, the alpha-silicon nitride powders of surface modification are obtained after dry；
The alpha-silicon nitride powders that surface is modified are mixed with 6 parts of epoxy resin, 2 parts of polyamide curing agents, 1 part of solvent, ball milling makes to fill out
Material is uniformly mixed and obtains interlayer coatings；
It is according to parts by weight, 10 parts of poriferous titanium dioxide slurries and 5 parts of microorganism formulations are compound, obtain outer layer coating；
The good interlayer coatings of ball milling are coated in fever rotation axis matrix surface, are dried, solidification 20h is obtained under the conditions of 80-120 DEG C
Anti-corrosion inner coating；
Coat 1-3 layers of outer layer coating again in the coating internally coated fever rotation axis of anti-corrosion, total coating layer thickness is less than 5mm, system
Standby erosion shield.
6. a kind of methane-generating pit according to claim 1 heats regulating device, it is characterised in that：The cooling fin（8）By more
Group has bending structure（21）Tubule（19）It is composed；The cooling fin（8）Center be equipped with and tubule（19）It leads
Logical connection supervisor（20）；The connection supervisor（20）Respectively with water inlet pipe（15）And outlet pipe（16）Connection.
7. a kind of methane-generating pit according to claim 1 heats regulating device, it is characterised in that：The heating water tank（18）'s
Surface layer is equipped with insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810631767.2A CN108559706B (en) | 2018-06-19 | 2018-06-19 | Methane tank heating adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810631767.2A CN108559706B (en) | 2018-06-19 | 2018-06-19 | Methane tank heating adjusting device |
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| Publication Number | Publication Date |
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| CN108559706A true CN108559706A (en) | 2018-09-21 |
| CN108559706B CN108559706B (en) | 2021-09-10 |
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ID=63553841
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810631767.2A Active CN108559706B (en) | 2018-06-19 | 2018-06-19 | Methane tank heating adjusting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925918A (en) * | 2020-07-30 | 2020-11-13 | 河南科技大学 | Fermentation device and fermentation management method for straw biogas engineering |
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| CN111925918B (en) * | 2020-07-30 | 2023-09-19 | 河南科技大学 | Fermentation device and fermentation management method for straw biogas engineering |
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| CN108559706B (en) | 2021-09-10 |
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