CN204661724U - Stalk based on steam explosion pretreated straw produces bionethanation system - Google Patents
Stalk based on steam explosion pretreated straw produces bionethanation system Download PDFInfo
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- CN204661724U CN204661724U CN201520241844.5U CN201520241844U CN204661724U CN 204661724 U CN204661724 U CN 204661724U CN 201520241844 U CN201520241844 U CN 201520241844U CN 204661724 U CN204661724 U CN 204661724U
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- steam explosion
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- stalk
- fermentor tank
- natural pond
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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
Abstract
The utility model discloses a kind of stalk based on steam explosion pretreated straw and produces bionethanation system, comprise steam explosion tank, vapour generator, Material collecting box for harvesting, stalk crasher, fermentor tank, solid-liquid separator, natural pond slag bin, natural pond liquid bin, described stalk crasher and vapour generator are all connected with steam explosion tank; Steam explosion tank is connected with Material collecting box for harvesting; Material collecting box for harvesting is connected with fermentor tank; Fermentor tank is connected with solid-liquid separator; Solid-liquid separator is connected with natural pond liquid bin with natural pond slag bin respectively.Steam explosion tank adopts the method for high pressure steam explosion to make the solid lignocellulose in stalk soften Sum decomposition, thus makes stalk in fermentation methane production process, effectively improve decomposition efficiency and the fermentation gas rate of stalk.
Description
Technical field
The utility model belongs to stalk and produces biogas facility technical field, and particularly a kind of stalk based on steam explosion pretreated straw produces bionethanation system.
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 stalk, after pre-treatment, adds in methane-generating pit or tank for sewage gas and carries out anaerobically fermenting to produce biogas and organic fertilizer using agricultural crop straws such as paddy rice, corn, peanuts as raw material that stalk produces biogas.
The pre-treatment link of stalk is most important, and it is related to feed material degradation efficiency and fermentation gas rate.Traditional pre-treatment link comprises pulverizing stalk and adding microbial inoculum does stack retting etc.But the cell of stalk is very solid, cell wall structure height lignifying, xylogen wherein forms the 15%-30% of cell walls, and containing the various complex combination forms that biochemical property is very stable in these xylogen, is difficult to by general microbial decomposition.Therefore, in stalk fermentation process, lignocellulose hydrolytic process is slow, hydrolysis degree is low, thus the acidifying affected subsequently and gasification.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of stalk based on steam explosion pretreated straw is provided to produce bionethanation system, it adopts the method for high pressure steam explosion to make the solid lignocellulose in stalk soften Sum decomposition, thus makes stalk in fermentation methane production process, effectively improve decomposition efficiency and the fermentation gas rate of stalk.
The utility model realizes by the following technical solutions:
A kind of stalk based on steam explosion pretreated straw produces bionethanation system, comprise steam explosion tank, vapour generator, Material collecting box for harvesting, stalk crasher, fermentor tank, solid-liquid separator, natural pond slag bin, natural pond liquid bin, described stalk crasher and vapour generator are all connected with steam explosion tank; Steam explosion tank is connected with Material collecting box for harvesting; Material collecting box for harvesting is connected with fermentor tank; Fermentor tank is connected with solid-liquid separator; Solid-liquid separator is connected with natural pond liquid bin with natural pond slag bin respectively.
Described steam explosion tank is provided with steam-in, steam explosion tank opening for feed, steam explosion tank discharge port and venting; Described steam explosion tank discharge port is provided with rapid reaction valve, opens rapid reaction valve fast when the vapor pressure in steam explosion tank is enough, makes the stalk in steam explosion tank produce explosive effect; The effect of described venting prevents because the pressure in steam explosion tank is excessive and produces blast;
Described vapour generator inside is provided with resistive heater; Vapour generator is connected by the steam-in of high pressure steam pipeline with steam explosion tank;
Described stalk crasher is connected with steam explosion tank opening for feed by the first travelling belt, and the stalk after pulverizing is sent in steam explosion tank by after crushed stalk by the first travelling belt by stalk crasher;
Described steam explosion tank discharge port is connected with Material collecting box for harvesting, the good stalk of pre-treatment that Material collecting box for harvesting is discharged for collecting steam explosion tank discharge port;
Described Material collecting box for harvesting is connected with the fermentor tank opening for feed of fermentor tank by the second travelling belt, stalk good for the pre-treatment in Material collecting box for harvesting is sent into fermentation unit and ferments;
The outer wall of described fermentor tank is provided with thermal insulation layer, and is provided with zone of heating between fermentor tank outer wall and thermal insulation layer; Fermentor tank top is provided with air outlet and fermented liquid adds mouth; Fermentor tank bottom is provided with fermentor tank discharge port; Fermentor tank top is provided with fermentor tank opening for feed; Fermentor tank inside is provided with agitator, and agitator is connected with motor;
Described solid-liquid separator is connected with fermentor tank discharge port by pipeline; Solid-liquid separator is connected with natural pond liquid bin with natural pond slag bin respectively by pipeline, the natural pond slag after fermentation can be separated with natural pond liquid by solid-liquid separator, and natural pond slag is stored in natural pond slag bin as organic fertilizer, and natural pond liquid flows into natural pond liquid bin as foliar nutrient.
In technique scheme, described steam explosion tank is also provided with temperature sensor and pressure transmitter, for the temperature and pressure in Real-Time Monitoring steam explosion tank, and the steam off producer when the temperature detected or hypertonia.
In technique scheme, the high pressure steam pipeline that vapour generator is connected with steam-in is provided with valve.
The utility model is reasonable in design, level of automation is high, adopt the method for high pressure steam explosion to make the solid lignocellulose in stalk soften Sum decomposition, thus make stalk in fermentation methane production process, effectively improve decomposition efficiency and the fermentation gas rate of stalk.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1 is steam explosion tank, 2 is vapour generator, 3 is Material collecting box for harvesting, 4 is stalk crasher, 5 is fermentor tank, 6 is solid-liquid separator, 7 is natural pond slag bin, 8 is natural pond liquid bin, 1-1 is venting, 1-2 is temperature sensor, 1-3 is pressure transmitter, 1-4 is steam explosion tank discharge port, 1-5 is steam-in, 1-6 is steam explosion tank opening for feed, 2-1 is resistive heater, 2-2 is valve, 3-1 is the second travelling belt, 4-1 is the first travelling belt, 5-1 is motor, 5-2 is agitator, 5-3 is air outlet, 5-4 is thermal insulation layer, 5-5 is fermentor tank discharge port, 5-6 is that fermented liquid adds mouth, 5-7 is fermentor tank opening for feed.
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 based on steam explosion pretreated straw involved by the utility model produces bionethanation system, comprise steam explosion tank, vapour generator, Material collecting box for harvesting, stalk crasher, fermentor tank, solid-liquid separator, natural pond slag bin, natural pond liquid bin, described stalk crasher and vapour generator are all connected with steam explosion tank; Steam explosion tank is connected with Material collecting box for harvesting; Material collecting box for harvesting is connected with fermentor tank; Fermentor tank is connected with solid-liquid separator; Solid-liquid separator is connected with natural pond liquid bin with natural pond slag bin respectively.
Described steam explosion tank 1 is provided with steam-in 1-5, steam explosion tank opening for feed 1-6, steam explosion tank discharge port 1-4 and venting 1-1; Described steam explosion tank discharge port 1-4 is provided with rapid reaction valve (not marking in figure), opens rapid reaction valve fast when the vapor pressure in steam explosion tank is enough, makes the stalk in steam explosion tank produce explosive effect; The effect of described venting prevents because the pressure in steam explosion tank is excessive and produces blast.Described steam explosion tank 1 is also provided with temperature sensor 1-2 and pressure transmitter 1-3, for the temperature and pressure in Real-Time Monitoring steam explosion tank, and the steam off producer when the temperature detected or hypertonia;
Described vapour generator 2 inside is provided with resistive heater 2-1; Vapour generator 2 is connected with the steam-in 1-5 of steam explosion tank 1 by high pressure steam pipeline, and the high pressure steam pipeline that vapour generator 2 is connected with steam-in is provided with valve 2-2;
Described stalk crasher 4 is connected with steam explosion tank opening for feed 1-6 by the first travelling belt 4-1, and the stalk after pulverizing is sent in steam explosion tank by after crushed stalk by the first travelling belt 4-1 by stalk crasher 4;
Described steam explosion tank discharge port 1-4 is connected with Material collecting box for harvesting 3, the good stalk of pre-treatment that Material collecting box for harvesting 3 is discharged for collecting steam explosion tank discharge port;
Described Material collecting box for harvesting 3 is connected with the fermentor tank opening for feed 5-7 of fermentor tank 5 by the second travelling belt 3-1, stalk good for the pre-treatment in Material collecting box for harvesting is sent into fermentation unit and ferments;
The outer wall of described fermentor tank 5 is provided with thermal insulation layer 5-4, and is provided with zone of heating between fermentor tank outer wall and thermal insulation layer; Fermentor tank top is provided with air outlet 5-3 and fermented liquid adds mouth 5-6; Fermentor tank bottom is provided with fermentor tank discharge port 5-5; Fermentor tank top is provided with fermentor tank opening for feed 5-7; Fermentor tank inside is provided with agitator 5-2, and agitator is connected with motor 5-1;
Described solid-liquid separator 6 is connected with fermentor tank discharge port 5-5 by pipeline; Solid-liquid separator is connected with natural pond liquid bin 8 with natural pond slag bin 7 respectively by pipeline.Natural pond slag after fermentation can be separated with natural pond liquid by solid-liquid separator, natural pond slag is stored in natural pond slag bin as organic fertilizer, and natural pond liquid flows into natural pond liquid bin as foliar nutrient.
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 (3)
1. the stalk based on steam explosion pretreated straw produces bionethanation system, comprise steam explosion tank, vapour generator, Material collecting box for harvesting, stalk crasher, fermentor tank, solid-liquid separator, natural pond slag bin, natural pond liquid bin, described stalk crasher and vapour generator are all connected with steam explosion tank; Steam explosion tank is connected with Material collecting box for harvesting; Material collecting box for harvesting is connected with fermentor tank; Fermentor tank is connected with solid-liquid separator; Solid-liquid separator is connected with natural pond liquid bin with natural pond slag bin respectively; It is characterized in that:
Described steam explosion tank is provided with steam-in, steam explosion tank opening for feed, steam explosion tank discharge port, venting; Described steam explosion tank discharge port is provided with rapid reaction valve;
Described vapour generator inside is provided with resistive heater; Vapour generator is connected by the steam-in of high pressure steam pipeline with steam explosion tank;
Described stalk crasher is connected with steam explosion tank opening for feed by the first travelling belt;
The discharge port of described steam explosion tank is connected with Material collecting box for harvesting;
Described Material collecting box for harvesting is connected with the fermentor tank opening for feed of fermentor tank by the second travelling belt;
The outer wall of described fermentor tank is provided with thermal insulation layer, and is provided with zone of heating between fermentor tank outer wall and thermal insulation layer; Fermentor tank top is provided with air outlet and fermented liquid adds mouth; Fermentor tank bottom is provided with fermentor tank discharge port; Fermentor tank top is provided with fermentor tank opening for feed; Fermentor tank inside is provided with agitator, and agitator is connected with motor;
Described solid-liquid separator is connected with fermentor tank discharge port by pipeline; Solid-liquid separator is connected with natural pond liquid bin with natural pond slag bin respectively by pipeline.
2. the stalk based on steam explosion pretreated straw according to claim 1 produces bionethanation system, it is characterized in that: described steam explosion tank is provided with temperature sensor and pressure transmitter.
3. the stalk based on steam explosion pretreated straw according to claim 1 produces bionethanation system, it is characterized in that: the high pressure steam pipeline that vapour generator is connected with steam-in is provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520241844.5U CN204661724U (en) | 2015-04-21 | 2015-04-21 | Stalk based on steam explosion pretreated straw produces bionethanation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520241844.5U CN204661724U (en) | 2015-04-21 | 2015-04-21 | Stalk based on steam explosion pretreated straw produces bionethanation system |
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| CN204661724U true CN204661724U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520241844.5U Expired - Fee Related CN204661724U (en) | 2015-04-21 | 2015-04-21 | Stalk based on steam explosion pretreated straw produces bionethanation system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105941003A (en) * | 2016-04-29 | 2016-09-21 | 北京农业生物技术研究中心 | Turf-free substrate and application thereof |
| CN107904147A (en) * | 2017-12-04 | 2018-04-13 | 宿州瑞丰农业科技有限公司 | A kind of straw develops system at many levels |
| CN108165474A (en) * | 2018-03-23 | 2018-06-15 | 农业部沼气科学研究所 | Integrated city bionethanation system |
| CN109619630A (en) * | 2018-11-12 | 2019-04-16 | 甘肃农业大学 | A kind of crop straw pre-treatment method |
| CN112341256A (en) * | 2020-11-23 | 2021-02-09 | 黑龙江八一农垦大学 | Fertile fermenting installation of innoxious straw system |
| CN113234514A (en) * | 2021-05-29 | 2021-08-10 | 中国矿业大学 | Dewatering and quality improving system for high-water-content materials |
| CN116769568A (en) * | 2023-06-05 | 2023-09-19 | 中国华电科工集团有限公司 | Straw treatment system and method |
-
2015
- 2015-04-21 CN CN201520241844.5U patent/CN204661724U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105941003A (en) * | 2016-04-29 | 2016-09-21 | 北京农业生物技术研究中心 | Turf-free substrate and application thereof |
| CN107904147A (en) * | 2017-12-04 | 2018-04-13 | 宿州瑞丰农业科技有限公司 | A kind of straw develops system at many levels |
| CN107904147B (en) * | 2017-12-04 | 2020-10-27 | 泗县微腾知识产权运营有限公司 | Plant straw multi-level development and utilization system |
| CN108165474A (en) * | 2018-03-23 | 2018-06-15 | 农业部沼气科学研究所 | Integrated city bionethanation system |
| CN109619630A (en) * | 2018-11-12 | 2019-04-16 | 甘肃农业大学 | A kind of crop straw pre-treatment method |
| CN112341256A (en) * | 2020-11-23 | 2021-02-09 | 黑龙江八一农垦大学 | Fertile fermenting installation of innoxious straw system |
| CN113234514A (en) * | 2021-05-29 | 2021-08-10 | 中国矿业大学 | Dewatering and quality improving system for high-water-content materials |
| CN116769568A (en) * | 2023-06-05 | 2023-09-19 | 中国华电科工集团有限公司 | Straw treatment system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20160606 Granted publication date: 20150923 |
|
| 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: 20170421 |