CN204661709U - A kind of stalk is for biogas use CSTR fermentation reaction device - Google Patents

A kind of stalk is for biogas use CSTR fermentation reaction device Download PDF

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Publication number
CN204661709U
CN204661709U CN201520229157.1U CN201520229157U CN204661709U CN 204661709 U CN204661709 U CN 204661709U CN 201520229157 U CN201520229157 U CN 201520229157U CN 204661709 U CN204661709 U CN 204661709U
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China
Prior art keywords
tank body
agitating function
function device
stalk
axle
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Expired - Fee Related
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CN201520229157.1U
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Chinese (zh)
Inventor
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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Priority to CN201520229157.1U priority Critical patent/CN204661709U/en
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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

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  • Processing Of Solid Wastes (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The utility model discloses a kind of stalk and be for biogas use CSTR fermentation reaction device, comprise tank body, motor, reverse agitating function device and return-flow system.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; The utility model, 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

A kind of stalk is for biogas use CSTR fermentation reaction device
Technical field
The utility model belongs to biogas fermentation equipment technical field, and particularly a kind of stalk is for biogas use CSTR fermentation reaction device.
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, a kind of stalk is provided to be for biogas use CSTR fermentation reaction device, the utility model adds return-flow system and reverse agitating function device effectively can improve stirring efficiency to crushing straw and anaerobic fermented liquid, contributes 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.
The utility model realizes by the following technical solutions:
A kind of stalk is for biogas use CSTR fermentation reaction device, 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 heater strip 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, than traditional anaerobic ferment devices, 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 structural representation of the present utility model,
Fig. 2 is the structural representation of reverse agitating function device of the present utility model,
Fig. 3 is the vertical view of Fig. 2,
Fig. 4 is the structural representation of the planetary wheel mechanism of the utility model reverse agitating function device,
Fig. 5 is the structure diagram of the planetary wheel mechanism of the utility model reverse agitating function device.
In figure: 1 is tank body, 2 is opening for feed, and 3 is motor, and 4 is air outlet, 5 is venting, and 6 is water screw, and 7 is discharge port, and 8 is zone of heating, 9 is thermal insulation layer, 10 temperature sensors, and 11 is pressure transmitter, and 12 is planetary wheel mechanism, 12-1 is ring gear, and 12-2 is satellite gear, and 12-3 is planet carrier, and 12-4 is sun gear, 12-5 bolt, 13 is axle, and 14 is outer paddle, and 15 is interior paddle, 16 is axle sleeve, and 17 is bypass outlet, and 18 is recycle pump, and 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 1, a kind of stalk involved by the utility model is for biogas use CSTR fermentation reaction device, 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 heater strip 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, 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.
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.
During use, 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 (4)

1. stalk is for biogas use a CSTR fermentation reaction device, comprises tank body, motor, reverse agitating function device and return-flow system, it is characterized in that:
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 heater strip 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; Tank body is also provided with pressure transmitter and temperature sensor;
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. a kind of stalk according to claim 1 is for biogas use CSTR fermentation reaction device, it is characterized in that: described tank body is provided with venting.
3. a kind of stalk according to claim 1 is for biogas use CSTR fermentation reaction device, it is characterized in that: described bypass outlet is arranged on the bottom of tank body.
4. a kind of stalk according to claim 1 is for biogas use CSTR fermentation reaction device, it is characterized in that: described reflux inlet is arranged on the top of tank body.
CN201520229157.1U 2015-04-15 2015-04-15 A kind of stalk is for biogas use CSTR fermentation reaction device Expired - Fee Related CN204661709U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520229157.1U CN204661709U (en) 2015-04-15 2015-04-15 A kind of stalk is for biogas use CSTR fermentation reaction device

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Application Number Priority Date Filing Date Title
CN201520229157.1U CN204661709U (en) 2015-04-15 2015-04-15 A kind of stalk is for biogas use CSTR fermentation reaction device

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CN204661709U true CN204661709U (en) 2015-09-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105316215A (en) * 2015-12-04 2016-02-10 广州康代生物科技有限公司 Anaerobic fermentation tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105316215A (en) * 2015-12-04 2016-02-10 广州康代生物科技有限公司 Anaerobic fermentation tank

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Effective date of registration: 20160606

Granted publication date: 20150923

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Date of cancellation: 20181206

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150923

Termination date: 20170415