CN204661707U - Two-stage CSTR stalk produces biogas fermentation device - Google Patents
Two-stage CSTR stalk produces biogas fermentation device Download PDFInfo
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- CN204661707U CN204661707U CN201520224790.1U CN201520224790U CN204661707U CN 204661707 U CN204661707 U CN 204661707U CN 201520224790 U CN201520224790 U CN 201520224790U CN 204661707 U CN204661707 U CN 204661707U
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- tank body
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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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Abstract
The utility model discloses a kind of two-stage CSTR stalk and produce biogas fermentation device, comprise first step fermentation unit and second stage fermentation unit, connected by pipeline between first step fermentation unit and second stage fermentation unit, and on connecting tube, be provided with recycle pump and valve.This device utilizes two-stage fermentation device to carry out Secondary Fermentation, to utilize fermentation raw material to greatest extent, raw material is fully fermented, and improves the utilization ratio of fermentation raw material.The utility model increases screw unloading device in discharge outlet simultaneously, can be discharged in tank body by waste material fast.
Description
Technical field
The utility model belongs to biogas fermentation equipment technical field, and particularly a kind of two-stage CSTR stalk produces biogas fermentation 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 that the agricultural crop straws such as paddy rice, corn, peanut are as raw material that straw by dry fermentation produces biogas, 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, there is the incomplete problem of fermentation in traditional anaerobic ferment devices; 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.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of two-stage CSTR stalk to produce biogas fermentation device, this device utilizes two-stage fermentation device to carry out Secondary Fermentation, to utilize fermentation raw material to greatest extent, raw material is fully fermented, improves the utilization ratio of fermentation raw material.The utility model increases screw unloading device 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 two-stage CSTR stalk produces biogas fermentation device, comprises first step fermentation unit and second stage fermentation unit, is connected between first step fermentation unit and second stage fermentation unit by pipeline;
Described first step fermentation unit comprises the first tank body, the first motor, the first agitator, and the outer wall of the first tank body is provided with the first thermal insulation layer, and is provided with the first zone of heating between the first tank wall and the first thermal insulation layer; First tank body top is provided with the first air outlet; First tank body bottom is provided with first step discharge port; First tank body top is provided with opening for feed; First tank interior is provided with the first agitator; Described first motor is arranged on the top of the first tank body, and the first motor is connected with the first agitator, and drives the first agitator motion to stir; First tank body is provided with the first venting, pressure when preventing from fermenting in the first tank body is excessive and blast; First tank body is also provided with the first pressure transmitter and the first temperature sensor, for monitoring the pressure and temperature in the first tank body;
Described second stage fermentation unit comprises the second tank body, the second motor, the second agitator.The outer wall of the second tank body is provided with the second thermal insulation layer, and is provided with the second zone of heating between the second tank wall and the second thermal insulation layer; Second tank body top is provided with the second air outlet; Second tank body top is provided with second stage opening for feed; Second tank interior is provided with the second agitator; Described second motor is arranged on the top of the second tank body, and the second motor is connected with the second agitator, and drives the second agitator motion to stir; Second tank body is provided with the second venting, pressure when preventing from fermenting in the second tank body is excessive and blast; Second tank body is also provided with the second pressure transmitter and the second temperature sensor, for monitoring the pressure and temperature in the second tank body; The bottom of the second tank body is provided with discharge opening, and discharge opening place is provided with screw unloading device;
First air outlet of described first step fermentation unit and the second air outlet of second stage fermentation unit are connected by pipeline and total air outlet; The first step discharge port of described first step fermentation unit is connected by pipeline with the second stage opening for feed of second stage fermentation unit, and on connecting tube, be provided with recycle pump and valve.
During use, fermentation raw material enters the first tank body from the opening for feed of first step fermentation unit, the first driven by motor first agitator work, and fermentation raw material ferments in first step fermentation unit; When after fermentation certain hour, ON cycle pump and valve, the fermentation waste in first step fermentation unit enters in the fermentation unit of the second stage carries out Secondary Fermentation, to utilize fermentation raw material to greatest extent, makes it fully ferment, and improves the utilization ratio of fermentation raw material.After Secondary Fermentation completes, open the screw unloading device of second stage fermentation unit discharge outlet, by the stirring of screw unloading device, can fast waste material be discharged in the second tank body.
The utility model, than traditional anaerobic ferment devices, is provided with two-stage fermentation device, utilizes two-stage fermentation device to carry out Secondary Fermentation, to utilize fermentation raw material to greatest extent, raw material is fully fermented, and improves the utilization ratio of fermentation raw material.The utility model increases screw unloading device 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.
In figure: 1 is the first tank body, 2 is opening for feed, 3 is the first motor, 4 is the first air outlet, 5 is the first venting, 6 is first step discharge port, 7 is the first agitator, 8 is the first zone of heating, 9 is the first thermal insulation layer, 10 first temperature sensors, 11 is the first pressure transmitter, 12 is recycle pump, 13 is valve, 14 is discharge opening, 15 is screw unloading device, 16 is total air outlet, 1a is the second tank body, 3a is the second motor, 4a is the second air outlet, 5a is the second venting, 6a is second stage opening for feed, 7a is the second agitator, 8a is the second zone of heating, 9a is the second thermal insulation layer, 10a second temperature sensor, 11a is the second pressure transmitter.
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 two-stage CSTR stalk involved by the utility model produces biogas fermentation device, comprises first step fermentation unit and second stage fermentation unit, is connected between first step fermentation unit and second stage fermentation unit by pipeline;
Described first step fermentation unit comprises the first tank body, the first motor, the first agitator.The outer wall of the first tank body 1 is provided with the first thermal insulation layer 9, and between the first tank wall and the first thermal insulation layer, be provided with the first zone of heating 8; First tank body top is provided with the first air outlet 4; First tank body bottom is provided with first step discharge port 6; First tank body top is provided with opening for feed 2; First tank interior is provided with the first agitator 7; Described first motor 3 is arranged on the top of the first tank body, and the first motor is connected with the first agitator 7, and drives the first agitator 7 motion to stir; First tank body is provided with the first venting 5, pressure when preventing from fermenting in the first tank body is excessive and blast; First tank body is also provided with the first pressure transmitter 11 and the first temperature sensor 10, for monitoring the pressure and temperature in the first tank body;
Described second stage fermentation unit comprises the second tank body, the second motor, the second agitator.The outer wall of the second tank body 1a is provided with the second thermal insulation layer 9a, and between the second tank wall and the second thermal insulation layer, be provided with the second zone of heating 8a; Second tank body top is provided with the second air outlet 4a; Second tank body top is provided with second stage opening for feed 6a; Second tank interior is provided with the second agitator 7a; Described second motor 3a is arranged on the top of the second tank body, and the second motor is connected with the second agitator 7a, and drives the second agitator 7a motion to stir; Second tank body is provided with the second venting 5a, pressure when preventing from fermenting in the second tank body is excessive and blast; Second tank body is also provided with the second pressure transmitter 11a and the second temperature sensor 10a, for monitoring the pressure and temperature in the second tank body; The bottom of the second tank body is provided with discharge opening 14, and discharge opening 14 place is provided with screw unloading device 15, and described screw unloading device 15 is propeller arrangement, by the stirring of water screw, can be discharged in the second tank body by waste material fast;
First air outlet 4 of described first step fermentation unit and the second air outlet 4a of second stage fermentation unit are connected by pipeline and total air outlet 16; The first step discharge port 6 of described first step fermentation unit is connected by pipeline with the second stage opening for feed 6a of second stage fermentation unit, and on connecting tube, be provided with recycle pump 12 and valve 13.
During use, fermentation raw material enters the first tank body from the opening for feed of first step fermentation unit, the first driven by motor first agitator work, and fermentation raw material ferments in first step fermentation unit; When after fermentation certain hour, ON cycle pump and valve, the fermentation waste in first step fermentation unit enters in the fermentation unit of the second stage carries out Secondary Fermentation, to utilize fermentation raw material to greatest extent, makes it fully ferment, and improves the utilization ratio of fermentation raw material.After Secondary Fermentation completes, open the screw unloading device of second stage fermentation unit discharge outlet, by the stirring of screw unloading device, can fast waste material be discharged in the second 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. two-stage CSTR stalk produces a biogas fermentation device, comprises first step fermentation unit and second stage fermentation unit, is connected, it is characterized in that between first step fermentation unit and second stage fermentation unit by pipeline:
Described first step fermentation unit comprises the first tank body, the first motor, the first agitator, and the outer wall of the first tank body is provided with the first thermal insulation layer, and is provided with the first zone of heating between the first tank wall and the first thermal insulation layer; First tank body top is provided with the first air outlet; First tank body bottom is provided with first step discharge port; First tank body top is provided with opening for feed; First tank interior is provided with the first agitator; Described first motor is arranged on the top of the first tank body, and the first motor is connected with the first agitator;
Described second stage fermentation unit comprises the second tank body, the second motor, the second agitator, and the outer wall of the second tank body is provided with the second thermal insulation layer, and is provided with the second zone of heating between the second tank wall and the second thermal insulation layer; Second tank body top is provided with the second air outlet; Second tank body top is provided with second stage opening for feed; Second tank interior is provided with the second agitator; Described second motor is arranged on the top of the second tank body, and the second motor is connected with the second agitator; The bottom of the second tank body is provided with discharge opening, and discharge opening place is provided with screw unloading device;
First air outlet of described first step fermentation unit and the second air outlet of second stage fermentation unit are connected by pipeline and total air outlet; The first step discharge port of described first step fermentation unit is connected by pipeline with the second stage opening for feed of second stage fermentation unit, and on connecting tube, be provided with recycle pump and valve.
2. a kind of two-stage CSTR stalk according to claim 1 produces biogas fermentation device, it is characterized in that: the first tank body is provided with the first venting.
3. a kind of two-stage CSTR stalk according to claim 1 produces biogas fermentation device, it is characterized in that: the first tank body is provided with the first pressure transmitter and the first temperature sensor.
4. a kind of two-stage CSTR stalk according to claim 1 produces biogas fermentation device, it is characterized in that: the second tank body is provided with the second venting.
5. a kind of two-stage CSTR stalk according to claim 1 produces biogas fermentation device, it is characterized in that: the second tank body is provided with the second pressure transmitter and the second temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520224790.1U CN204661707U (en) | 2015-04-15 | 2015-04-15 | Two-stage CSTR stalk produces biogas fermentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520224790.1U CN204661707U (en) | 2015-04-15 | 2015-04-15 | Two-stage CSTR stalk produces biogas fermentation device |
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| Publication Number | Publication Date |
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| CN204661707U true CN204661707U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520224790.1U Expired - Fee Related CN204661707U (en) | 2015-04-15 | 2015-04-15 | Two-stage CSTR stalk produces biogas fermentation device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106119096A (en) * | 2016-08-31 | 2016-11-16 | 陈志武 | A kind of Modular high-efficient dry-type anaerobic fermentation tank and fermentation processing method thereof |
| CN107058068A (en) * | 2017-05-03 | 2017-08-18 | 山东帝得现代农牧科技有限公司 | A kind of multiple-tank body biogas generating device |
| CN113583859A (en) * | 2021-08-27 | 2021-11-02 | 重庆赛诺生物药业股份有限公司 | Oxygen-resistant bifidobacterium fermentation equipment |
-
2015
- 2015-04-15 CN CN201520224790.1U patent/CN204661707U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106119096A (en) * | 2016-08-31 | 2016-11-16 | 陈志武 | A kind of Modular high-efficient dry-type anaerobic fermentation tank and fermentation processing method thereof |
| CN106119096B (en) * | 2016-08-31 | 2019-06-25 | 无锡托普搅拌设备有限公司 | A kind of Modular high-efficient dry-type anaerobic fermentation tank and its fermentation processing method |
| CN107058068A (en) * | 2017-05-03 | 2017-08-18 | 山东帝得现代农牧科技有限公司 | A kind of multiple-tank body biogas generating device |
| CN113583859A (en) * | 2021-08-27 | 2021-11-02 | 重庆赛诺生物药业股份有限公司 | Oxygen-resistant bifidobacterium fermentation equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20160606 Granted publication date: 20150923 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20181206 Granted publication date: 20150923 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20170415 |