CN204661706U - Based on the Methane Resources treatment system of CSTR fermentation unit - Google Patents

Based on the Methane Resources treatment system of CSTR fermentation unit Download PDF

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Publication number
CN204661706U
CN204661706U CN201520224789.9U CN201520224789U CN204661706U CN 204661706 U CN204661706 U CN 204661706U CN 201520224789 U CN201520224789 U CN 201520224789U CN 204661706 U CN204661706 U CN 204661706U
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China
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tank body
cstr
pipeline
tank
treatment system
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Expired - Fee Related
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CN201520224789.9U
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Chinese (zh)
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高卫华
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Tianzi Environment Protection Investment Holdings Co Ltd
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Tianzi Environment Protection Investment Holdings Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Abstract

The utility model discloses a kind of Methane Resources treatment system based on CSTR fermentation unit, comprise stalk storage warehouse, fast degradation tank, hydrolytic decomposition pot, separate exchangers, CSTR integrated reactor, biogas purification devices, foliage fertilizer storehouse, natural pond liquid scratch pool, solid-liquid separator, fertilizer storehouse; Described CSTR integrated reactor comprises tank body, motor, reverse agitating function device and return-flow system.The utility model, in CSTR integrated reactor, adds return-flow system and reverse agitating function device and effectively can improve stirring efficiency to crushing straw and anaerobic fermented liquid, contribute to improving the efficiency that stalk produces biogas.The utility model increases water screw in discharge outlet simultaneously, can be discharged in tank body by waste material fast.

Description

Based on the Methane Resources treatment system of CSTR fermentation unit
Technical field
The utility model belongs to biogas preparing technical field, particularly a kind of Methane Resources treatment system based on CSTR fermentation unit.
Background technology
China is a large agricultural country, and Model on Sown Areas of Farm ranks first in the world, according to statistics, and nearly 700,000,000 tons of current China annual stalk output.Agricultural crop straw is many is in the past used by as fuel, but along with improving constantly of our people's standard of living, and the development of rural economy and the improvement of power supply, in the last few years, peasant utilizes the burning of stalk and also reduces gradually, the quantity of residue agricultural crop straw is increasing, has reached about 400,000,000 tons every year according to estimates.The heap everywhere of a large amount of residue stalk is abandoned and is burned arbitrarily, causes topsoil, soil mineralization, fire failure, a large amount of societies, economy and the ecological problem such as block the traffic; Meanwhile, stalk, as a kind of renewable energy source, contains huge biomass energy, its recycling, to save energy, improve the ecological environment, realize society Sustainable development, have great significance.
It is paddy rice that straw by dry fermentation produces biogas, corn, the agricultural crop straws such as peanut are as raw material, through pulverizing and adding after fermenting agent does the pre-treatment such as stack retting, add in anaerobic ferment devices and carry out anaerobically fermenting to produce biogas and organic fertilizer, in the industrial production, usual employing CSTR reactor (continuous stirred tank reactor, i.e. continuous-stirring reactor system) produce biogas as anaerobic ferment devices, traditional anaerobic ferment devices stirring efficiency has much room for improvement, the height of stirring efficiency directly has influence on the fermentation efficiency of stalk and the factor of created gase of biogas, in addition, when needing to be discharged in fermentation unit by waste material after fermentation completes, because waste material has certain viscosity, therefore waste material is not easily discharged and waste material usually can stick at device inwall.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of Methane Resources treatment system based on CSTR fermentation unit.
The utility model realizes by the following technical solutions:
Based on a Methane Resources treatment system for CSTR fermentation unit, comprise stalk storage warehouse, fast degradation tank, hydrolytic decomposition pot, separate exchangers, CSTR integrated reactor, biogas purification devices, foliage fertilizer storehouse, natural pond liquid scratch pool, solid-liquid separator, fertilizer storehouse; Stalk storage warehouse connects fast degradation tank; Fast degradation tank is connected with hydrolytic decomposition pot by pipeline; Hydrolytic decomposition pot is connected with separate exchangers by pipeline; Separate exchangers is connected with CSTR integrated reactor and solid-liquid separator respectively by pipeline; CSTR integrated reactor is connected with biogas purification devices by pipeline; Solid-liquid separator is connected with natural pond liquid scratch pool by pipeline; Solid-liquid separator is connected with fertilizer storehouse by pipeline; Natural pond liquid scratch pool is connected with hydrolytic decomposition pot and foliage fertilizer storehouse respectively by pipeline.
Described CSTR integrated reactor comprises tank body, motor, reverse agitating function device and return-flow system.The outer wall of described tank body is provided with thermal insulation layer, and is provided with zone of heating between tank wall and thermal insulation layer, is provided with heating unit in zone of heating; Tank body top is provided with air outlet; Tank body bottom is provided with discharge port; Discharge outlet is provided with water screw, after fermentation completes, by the stirring of water screw, can be discharged in tank body by waste material fast; Tank body top is provided with opening for feed; Tank interior is provided with reverse agitating function device; Described motor is arranged on the top of tank body, and motor is connected with reverse agitating function device, and drives the motion of reverse agitating function device to stir; Tank body is provided with venting, and pressure when preventing from fermenting in tank body is excessive and blast; Tank body is also provided with pressure transmitter and temperature sensor, for monitoring the pressure and temperature in tank body; Described return-flow system comprises bypass outlet, reflux inlet and recycle pump, is connected between reflux inlet and bypass outlet by pipeline, and recycle pump is arranged on the pipeline between reflux inlet and bypass outlet; Bypass outlet is arranged on the bottom of tank body, and reflux inlet is arranged on the top of tank body.During work, under the effect of recycle pump, the fermentation raw material in tank body and fermented liquid flow into reflux inlet from bypass outlet circulation, contribute to the abundant stirring of fermentation raw material and fermented liquid.Described reverse agitating function device, comprises planetary wheel mechanism, axle, outer paddle, interior paddle; Described planetary wheel mechanism is made up of ring gear, satellite gear, planet carrier and sun gear, and planetary wheel mechanism is fixed on axle; Described interior paddle is fixed on axle; Described outer paddle is close to inner tank wall, and one end of outer paddle is bolted on ring gear, and the other end is fixed on the lower end of axle by axle sleeve.
The utility model, in CSTR integrated reactor, adds return-flow system and reverse agitating function device and effectively can improve stirring efficiency to crushing straw and anaerobic fermented liquid, contribute to improving the efficiency that stalk produces biogas.The utility model increases water screw in discharge outlet simultaneously, can be discharged in tank body by waste material fast.
Accompanying drawing explanation
Fig. 1 is the structural representation of CSTR integrated reactor of the present utility model,
Fig. 2 is the structural representation of the reverse agitating function device of CSTR integrated reactor,
Fig. 3 is the vertical view of Fig. 2,
Fig. 4 is the structural representation of the planetary wheel mechanism of reverse agitating function device,
Fig. 5 is the structure diagram of the planetary wheel mechanism of reverse agitating function device,
Fig. 6 is structural representation of the present utility model.
In figure: a is stalk storage warehouse, b is fast degradation tank, c is hydrolytic decomposition pot, d is separate exchangers, e is CSTR integrated reactor, f is biogas purification devices, g is foliage fertilizer storehouse, h is natural pond liquid scratch pool, i is solid-liquid separator, j is fertilizer storehouse, 1 is tank body, 2 is opening for feed, 3 is motor, 4 is air outlet, 5 is venting, 6 water screws, 7 is discharge port, 8 is zone of heating, 9 is thermal insulation layer, 10 temperature sensors, 11 is pressure transmitter, 12 is planetary wheel mechanism, 12-1 is ring gear, 12-2 is satellite gear, 12-3 is planet carrier, 12-4 is sun gear, 12-5 bolt, 13 is axle, 14 is outer paddle, 15 is interior paddle, 16 is axle sleeve, 17 is bypass outlet, 18 is recycle pump, 19 is reflux inlet.
Embodiment
The technical solution of the utility model is further illustrated below in conjunction with specific embodiment.
As shown in Figure 6, a kind of Methane Resources treatment system based on CSTR fermentation unit involved by the utility model, comprises stalk storage warehouse a, fast degradation tank b, hydrolytic decomposition pot c, separate exchangers d, CSTR integrated reactor e, biogas purification devices f, foliage fertilizer storehouse g, natural pond liquid scratch pool h, solid-liquid separator i, fertilizer storehouse j; Stalk storage warehouse connects fast degradation tank; Fast degradation tank is connected with hydrolytic decomposition pot by pipeline; Hydrolytic decomposition pot is connected with separate exchangers by pipeline; Separate exchangers is connected with CSTR integrated reactor and solid-liquid separator respectively by pipeline; CSTR integrated reactor is connected with biogas purification devices by pipeline; Solid-liquid separator is connected with natural pond liquid scratch pool by pipeline; Solid-liquid separator is connected with fertilizer storehouse by pipeline; Natural pond liquid scratch pool is connected with hydrolytic decomposition pot and foliage fertilizer storehouse respectively by pipeline.
As shown in Figure 1, described CSTR integrated reactor comprises tank body 1, motor 3, reverse agitating function device and return-flow system.
The outer wall of described tank body is provided with thermal insulation layer 9, and between tank wall and thermal insulation layer, be provided with zone of heating 8, is provided with heating unit in zone of heating; Tank body top is provided with air outlet 4; Tank body bottom is provided with discharge port 7; Discharge outlet is provided with water screw 6, after fermentation completes, by the stirring of water screw, can be discharged in tank body by waste material fast; Tank body top is provided with opening for feed 2; Tank interior is provided with reverse agitating function device; Described motor 3 is arranged on the top of tank body, and motor is connected with reverse agitating function device, and drives the motion of reverse agitating function device to stir; Tank body is provided with venting 5, pressure when preventing from fermenting in tank body is excessive and blast; Tank body is also provided with pressure transmitter 11 and temperature sensor 10, for monitoring the pressure and temperature in tank body.
Described return-flow system comprises bypass outlet 17, reflux inlet 19 and recycle pump 18, is connected between reflux inlet and bypass outlet by pipeline, and recycle pump is arranged on the pipeline between reflux inlet and bypass outlet; Bypass outlet is arranged on the bottom of tank body, and reflux inlet is arranged on the top of tank body.During work, under the effect of recycle pump, the fermentation raw material in tank body and fermented liquid flow into reflux inlet from bypass outlet circulation, contribute to the abundant stirring of fermentation raw material and fermented liquid.
As shown in Figures 2 to 5, described reverse agitating function device, comprises planetary wheel mechanism 12, axle 13, outer paddle 14, interior paddle 15; Described planetary wheel mechanism 12 is made up of ring gear 12-1, satellite gear 12-2, planet carrier 12-3 and sun gear 12-4, and planetary wheel mechanism 12 is fixed on axle 13; Described interior paddle 15 is fixed on axle 13; Described outer paddle 14 is close to inner tank wall, and one end of outer paddle 14 is fixed on ring gear 12-1 by bolt 12-5, and the other end is fixed on the lower end of axle 13 by axle sleeve 16.
When CSTR integrated reactor uses, after raw material enters tank body from opening for feed, starter motor, motor belt motor moving axis and the interior paddle be fixed thereon rotate, meanwhile, being fixed on sun gear on axle drives ring gear to rotate backward by intermeshing satellite gear with it, because outer paddle is fixed on ring gear, thus outer paddle and interior paddle is formed mutually rotate backward.Make in whipping process, raw material can form convection current between two paddles, stirs and the problem of not mixing to solve traditional stirrer; Meanwhile, start recycle pump, under the effect of recycle pump, the fermentation raw material in tank body and fermented liquid flow into reflux inlet from bypass outlet circulation, contribute to the abundant stirring of fermentation raw material and fermented liquid.In addition for the stirring of viscous materials, because outer paddle of the present utility model is close to the inwall of tank body, make viscous materials can not adhere to the inwall of mixing drum, be conducive to stirring and the discharge of viscous materials.After fermentation completes, open the water screw of discharge outlet, by the stirring of water screw, can fast waste material be discharged in tank body.
Above exemplary description is done to the utility model; should be noted that; when not departing from core of the present utility model, any simple distortion, amendment or other those skilled in the art can not spend the equivalent replacement of creative work all to fall into protection domain of the present utility model.

Claims (5)

1., based on a Methane Resources treatment system for CSTR fermentation unit, comprise stalk storage warehouse, fast degradation tank, hydrolytic decomposition pot, separate exchangers, CSTR integrated reactor, biogas purification devices, foliage fertilizer storehouse, natural pond liquid scratch pool, solid-liquid separator, fertilizer storehouse; Stalk storage warehouse connects fast degradation tank; Fast degradation tank is connected with hydrolytic decomposition pot by pipeline; Hydrolytic decomposition pot is connected with separate exchangers by pipeline; Separate exchangers is connected with CSTR integrated reactor and solid-liquid separator respectively by pipeline; CSTR integrated reactor is connected with biogas purification devices by pipeline; Solid-liquid separator is connected with natural pond liquid scratch pool by pipeline; Solid-liquid separator is connected with fertilizer storehouse by pipeline; Natural pond liquid scratch pool is connected with hydrolytic decomposition pot and foliage fertilizer storehouse respectively by pipeline; It is characterized in that:
Described CSTR integrated reactor comprises tank body, motor, reverse agitating function device and return-flow system; The outer wall of described tank body is provided with thermal insulation layer, and is provided with zone of heating between tank wall and thermal insulation layer, is provided with heating unit in zone of heating; Tank body top is provided with air outlet; Tank body bottom is provided with discharge port; Discharge outlet is provided with water screw; Tank body top is provided with opening for feed; Tank interior is provided with reverse agitating function device; Described motor is arranged on the top of tank body, and motor is connected with reverse agitating function device;
Described return-flow system comprises bypass outlet, reflux inlet and recycle pump, is connected between reflux inlet and bypass outlet by pipeline, and recycle pump is arranged on the pipeline between reflux inlet and bypass outlet;
Described reverse agitating function device, comprises planetary wheel mechanism, axle, outer paddle, interior paddle; Described planetary wheel mechanism is made up of ring gear, satellite gear, planet carrier and sun gear, and planetary wheel mechanism is fixed on axle; Described interior paddle is fixed on axle; Described outer paddle is close to inner tank wall, and one end of outer paddle is bolted on ring gear, and the other end is fixed on the lower end of axle by axle sleeve.
2. the Methane Resources treatment system based on CSTR fermentation unit according to claim 1, is characterized in that: described tank body is provided with venting.
3. the Methane Resources treatment system based on CSTR fermentation unit according to claim 1, is characterized in that: described tank body is provided with pressure transmitter and temperature sensor.
4. the Methane Resources treatment system based on CSTR fermentation unit according to claim 1, is characterized in that: described bypass outlet is arranged on the bottom of tank body.
5. the Methane Resources treatment system based on CSTR fermentation unit according to claim 1, is characterized in that: described reflux inlet is arranged on the top of tank body.
CN201520224789.9U 2015-04-15 2015-04-15 Based on the Methane Resources treatment system of CSTR fermentation unit Expired - Fee Related CN204661706U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104762201A (en) * 2015-04-15 2015-07-08 天紫环保投资控股有限公司 CSTR fermentation device-based methane recycling system
CN108409367A (en) * 2018-06-14 2018-08-17 盛正茂 A kind of bio-bacterial manure drying unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104762201A (en) * 2015-04-15 2015-07-08 天紫环保投资控股有限公司 CSTR fermentation device-based methane recycling system
CN108409367A (en) * 2018-06-14 2018-08-17 盛正茂 A kind of bio-bacterial manure drying unit

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