CN207552304U - Horizontal type anaerobic fermentation system - Google Patents

Horizontal type anaerobic fermentation system Download PDF

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Publication number
CN207552304U
CN207552304U CN201820526601.XU CN201820526601U CN207552304U CN 207552304 U CN207552304 U CN 207552304U CN 201820526601 U CN201820526601 U CN 201820526601U CN 207552304 U CN207552304 U CN 207552304U
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anaerobic fermentation
horizontal type
type anaerobic
feed
fermentation
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施军营
何清玉
平义超
李�杰
苗文青
王超
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Shengao Lande Environmental Protection Technology Group Co.,Ltd.
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Beijing Xingye Lander Environmental Protection & Technology Co Ltd
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Abstract

The utility model provides a kind of horizontal type anaerobic fermentation system, including:Feed unit, horizontal type anaerobic fermentation reactor and discharging unit;Wherein, feed unit includes biomass separator, the 1st conveying equipment and return box;Discharging unit includes discharging pump and solid-liquid separating equipment;Horizontal type anaerobic fermentation reactor includes horizontal positioned fermentation tank, through the horizontal agitating device of fermentation tank and stirring power system.Advantage is:The utility model solves the problems such as existing anaerobic fermentation tank material stirring is insufficient, uneven heating is even, high energy consumption and residence time are longer;Continuous input and output material can be achieved;Fresh material is before anaerobic fermentation reactor is entered simultaneously, the inoculation and preheating of fresh material are completed by return box, so that material immediately begins to anaerobic fermentation after entering anaerobic reactor, and big interference will not be caused to the temperature and material of entire anaerobic reactor, be of great significance for the increase of fermentation efficiency in anaerobic fermentation process.

Description

Horizontal type anaerobic fermentation system
Technical field
The utility model belongs to organic garbage treatment field of engineering technology, and in particular to a kind of horizontal type anaerobic fermentation system.
Background technology
With the fast development of China's economy, the raising of Living consumption, domestic waste, food garbage, food waste The consolidating containing a large amount of organic matters such as rubbish, fowl and animal excrement, garden garbage, agricultural crop straw, municipal sludge, food processing waste Body waste yield is continuously increased, and organic matter in these solid waste, which decomposes, generates a large amount of pollutant, water body to city, Soil and air cause more serious pollution.
Traditional solid waste trash processing way mainly has landfill, compost and burning etc..Organic waste landfill can occupy big The land resource of amount;Power generation by waste combustion minimizing degree is big, but the moisture of organic waste is generally all higher, burns cost meeting It increases considerably and the direct incineration temperature stability contorting difficulty of organic waste is big, it is easier to generate dioxin, atmosphere pollution is tight Weight;The direct compost treatment of organic waste takes up a large area, and stink is serious.With the increasing and life of Environmental protection The propulsion of garbage classification work and the domestic rapid growth to clean energy resource demand, the organic waste containing a large amount of organic matters Anaerobic fermentation processing is carried out, the biogas of generation can be used as reproducible clean energy resource, and biogas may be used also by further purification processes To produce bio-natural gas, therefore the emphasis that efficient anaerobic fermentation treatment technology is increasingly becoming research is carried out to organic waste, The technology can realize organic waste more economically effectively recycling.
Organic waste carries out anaerobic fermentation processing, and pollution is few, and more next with that can produce the advantages such as clean reproducible energy More paid close attention to by numerous researchers.But traditional organic garbage anaerobic fermentation device, generally with following deficiency:It is organic Rubbish has the problem of material mixing and even uneven heating, also in fermentation tank inside organic garbage anaerobic fermentation device The problems such as material easily crusts, so as to influence ferment effect.
Utility model content
In view of the defects existing in the prior art, the utility model provides a kind of horizontal type anaerobic fermentation system, can effectively solve The above problem.
The technical solution adopted in the utility model is as follows:
The utility model provides a kind of horizontal type anaerobic fermentation system, including:Feed unit, horizontal type anaerobic fermentation reactor (5) and discharging unit;Wherein, the feed unit includes biomass separator (1), the 1st conveying equipment (2) and return box (3); The discharging unit includes discharging pump (12) and solid-liquid separating equipment (14);
The biomass separator (1) has feed inlet and slurry outlet;The feed inlet of the biomass separator (1) is same When connect with external organic waste feed-line and the 1st biogas slurry feed-line;The slurry outlet of the biomass separator (1) leads to Cross the fresh material feed inlet that the 1st conveying equipment (2) is connected to the return box (3);The return box (3) also has hair Material inlet port and outlet port after ferment;The discharge port of the return box (3) is connected to described horizontal by the 2nd conveying equipment (4) The feed inlet of anaerobic fermentation reactor (5);
The discharge port of the horizontal type anaerobic fermentation reactor (5) is connect with the feed inlet of the discharging pump (12);It is described go out The discharging pipeline (13) of material pump (12) is set there are two branch, and first branch is connected to material after the fermentation of the return box (3) Feed inlet;Second branch is connected to the feed inlet of the solid-liquid separating equipment (14);
The solid-liquid separating equipment (14) is connected with biogas residue feed-line (17), the 1st biogas slurry feed-line (15) and the 2nd natural pond Liquid feed-line (16);The 1st biogas slurry feed-line (15) is connected to the feed inlet of the biomass separator (1);It is described 2nd biogas slurry feed-line (16) is connected to external biogas slurry treatment system;
Wherein, the horizontal type anaerobic fermentation reactor (5) including horizontal positioned fermentation tank (6), through fermentation tank (6) horizontal agitating device and stirring power system;Wherein, the horizontal agitating device includes agitating shaft (7), the stirring Axis (7) is in the horizontal direction through entire fermentation tank;Several mixing arms (8) are uniformly distributed on the agitating shaft (7);Often Scraper plate (9) at the top of the end setting mixing arm of a mixing arm (8).
Preferably, the biomass separator (1) is the broken slurrying all-in-one machine of organic waste separation.
Preferably, the return box (3) is provided with heating coil.
Preferably, for the horizontal type anaerobic fermentation reactor (5), fermentation tank (6) shape for horizontal cylinder shape or Section U-shaped;The top of fermentation tank (6) is biogas enrichment region.
Preferably, for the horizontal type anaerobic fermentation reactor (5), agitating shaft (7) using hollow structure agitating shaft.
Preferably, for the horizontal type anaerobic fermentation reactor (5), each mixing arm (8) and the angle of agitating shaft (7) are equal It is identical;Angle between adjacent mixing arm (8) is 30~90 degree;The axis of scraper plate (9) and corresponding mixing arm (8) at the top of mixing arm Line is vertical.
Preferably, the angle between adjacent mixing arm (8) is 45 degree or 60 degree.
Preferably, for the horizontal type anaerobic fermentation reactor (5), the height of the mixing arm top scraper plate (9) of extreme higher position Degree is higher than the height of fermentation materials in tank.
Preferably, for the horizontal type anaerobic fermentation reactor (5), bottom is provided with sediment ejection opening (10), and top connects Connect biogas feed-line (11).
Horizontal type anaerobic fermentation system provided by the utility model has the following advantages:
The utility model solves that existing anaerobic fermentation tank material stirring is insufficient, uneven heating is even, high energy consumption and stop The problems such as time is longer, while fresh material completes fresh material before anaerobic fermentation reactor is entered by return box Inoculation and preheating so that material immediately begins to anaerobic fermentation, and will not be to entire anaerobic reaction after entering anaerobic reactor The temperature and material of device cause big interference, are of great significance for the increase of fermentation efficiency in anaerobic fermentation process.Meanwhile The utility model can both realize interval input and output material, can also realize continuous input and output material, to system operatio elasticity bigger.
Description of the drawings
Fig. 1 is the overall structure diagram of horizontal type anaerobic fermentation system provided by the utility model;
Fig. 2 is the structure diagram of horizontal type anaerobic fermentation reactor provided by the utility model;
Wherein:1- biomass separators;The 1st conveying equipments of 2-;3- return boxes;The 2nd conveying equipments of 4-;5- horizontal type anaerobics are sent out Ferment reactor;6- fermentation tanks;7- agitating shafts;8- mixing arms;Scraper plate at the top of 9- mixing arms;10- sediment ejection openings;11- biogas conveys Pipeline;12- discharging pumps;13- discharging pipelines;14- solid-liquid separating equipments;The 1st biogas slurry feed-lines of 15-;The 2nd biogas slurries of 16- convey Pipeline;17- biogas residue feed-lines.
Specific embodiment
The technical issues of in order to solve the utility model, technical solution and advantageous effect are more clearly understood, below With reference to accompanying drawings and embodiments, the present invention is further described in detail.It should be appreciated that specific implementation described herein Example only to explain the utility model, is not used to limit the utility model.
The utility model provides a kind of horizontal type anaerobic fermentation system, belongs to organic garbage treatment field of engineering technology, especially It is suitble to organic garbage dry anaerobic fermentation, the utility model overcomes that existing anaerobic fermentation tank is complicated, material is uneven, stops The problems such as time is long, top is crusted is conducive to improve the efficiency of anaerobic fermentation, suitable for domestic waste, food garbage, kitchen The anaerobism of the organic wastes such as remaining rubbish, fowl and animal excrement, garden garbage, agricultural crop straw, municipal sludge, food processing waste Fermentation.
With reference to Fig. 1, horizontal type anaerobic fermentation system includes:Feed unit, horizontal type anaerobic fermentation reactor 5 and discharging unit; Wherein, feed unit includes biomass separator 1, the 1st conveying equipment 2 and return box 3;Discharging unit is including discharging pump 12 and admittedly Liquid separation equipment 14;
Biomass separator 1 has organic waste using the broken slurrying all-in-one machine of organic waste separation, biomass separator With the feed inlet and slurry outlet of biogas slurry;The feed inlet of biomass separator 1 simultaneously with external organic waste feed-line and the 1st Biogas slurry feed-line 15 connects;Since biomass separator feed inlet conveys simultaneously with organic waste feed-line and the 1st biogas slurry Pipeline 15 connects, and therefore, by the mixing of biogas slurry and organic waste, the solid content into anaerobic fermentation system raw material is adjusted. Biomass separator is act as:It is first for the organic waste that the non-organic metallic substance and needs for containing such as plastics crush It first passes through after biomass separator isolates non-organic metallic substance and broken slurrying and is delivered to return box again.
The slurry outlet of biomass separator 1 is connected to the fresh material feed inlet of return box 3 by the 1st conveying equipment 2; Return box 3 also has material inlet port and outlet port after fermentation;Return box 3 is provided with heating coil, and the discharge port of return box 3 leads to Cross the feed inlet that the 2nd conveying equipment 4 is connected to horizontal type anaerobic fermentation reactor 5;For return box, returning charge upper box part is equipped with two Feed inlet, one be fresh material feed inlet, one be ferment after material feed inlet.Return box sets heating coil, therefore, Fresh material combined inoculation and is heated with the material after fermentation in return box, and the temperature of heating process can be:Medium temperature is sent out Ferment selects 25~40 DEG C, and hot fermentation selects 50~60 DEG C;Material is mixed and is entered back into after heating horizontal type anaerobic fermentation reaction Device.Since the application is by setting return box, combined inoculation and heating are carried out to material in advance, so as to shorten material follow-up The residence time of horizontal type anaerobic fermentation reactor reduces energy consumption of the material in follow-up horizontal type anaerobic fermentation reactor, so as to solve The existing anaerobic fermentation tank material breakage of having determined is high and the problems such as the residence time is longer.
The discharge port of horizontal type anaerobic fermentation reactor 5 is connect with the feed inlet of discharging pump 12;The discharging pipeline of discharging pump 12 13 set there are two branch, and first branch is connected to material feed inlet after the fermentation of return box 3;Second branch is connected to solid-liquid The feed inlet of separation equipment 14;
Solid-liquid separating equipment 14 is connected with biogas residue feed-line 17, the 1st biogas slurry feed-line 15 and the 2nd biogas slurry feed-line 16;1st biogas slurry feed-line 15 is connected to the feed inlet of biomass separator 1;2nd biogas slurry feed-line 16 is connected to external Biogas slurry treatment system;
With reference to figure 2, horizontal type anaerobic fermentation reactor 5 includes horizontal positioned fermentation tank 6, and 6 shape of fermentation tank is sleeping Formula cylindrical shape or section U-shaped;The top of fermentation tank 6 is biogas enrichment region.Through the inside of fermentation tank 6, horizontal stirring is set Device and stirring power system;Wherein, horizontal agitating device includes agitating shaft 7, and agitating shaft 7 is in the horizontal direction through whole A fermentation tank;Several mixing arms 8 are uniformly distributed on agitating shaft 7;The angle all same of each mixing arm 8 and agitating shaft 7;Phase Angle between adjacent mixing arm 8 can be 30~90 degree, preferable 45 degree or 60 degree;The end setting stirring of each mixing arm 8 Scraper plate 9 at the top of arm.Scraper plate 9 is vertical with the axis of corresponding mixing arm 8 at the top of mixing arm.Scraper plate at the top of the mixing arm of extreme higher position 9 height is higher than the height of fermentation materials in tank.5 bottom of horizontal type anaerobic fermentation reactor is provided with sediment ejection opening 10, and top connects Connect biogas feed-line 11.For the horizontal type anaerobic fermentation reactor of big volume, to mitigate the gravity of agitating shaft, using hollow knot The agitating shaft of structure.
In the utility model, the horizontal agitating device in horizontal type anaerobic fermentation reactor 5 is at the top of mixing arm and mixing arm Under the action of scraper plate, not only there is stirring action to material in operational process, simultaneously as having folder between adjacent mixing arm Angle can also push material to be moved to discharge end from the feed end of horizontal type anaerobic fermentation reactor in the form of approximate piston flow, Realization is more sufficiently mixed effect to material, completes entire fermentation process.Since mixing arm and scraper plate are right in whipping process Material stirring effect in tank is stronger, can ensure to avoid there are crust scale problems on crust at the top of material in tank and side wall Material uniform temperature is consistent in tank, convenient for the spilling of fermentation methane, improves fermentation efficiency.Therefore, the utility model solves Existing anaerobic fermentation tank material stirring is insufficient and the problem of uneven heating is even.The utility model can realize intermittent disengaging Material, can also realize continuous input and output material.
A kind of specific implementation of horizontal type anaerobic fermentation system is described below:
The biogas slurry that organic waste and the conveying of the 1st biogas slurry feed-line 15 come, is allocated by a certain percentage, into biomass point From device 1, the abiotic metallic substance (such as polybag) in biomass separator 1 in organic waste is separated, raw simultaneously Substance is broken slurrying.In biomass separator, it is organic the biogas slurry to come allotment can be conveyed by the 1st biogas slurry feed-line 15 The solid content of rubbish, such as after the too high organic waste of stalk, garden garbage solid content is by allotment, reach the suitable of stable homogeneous Close the solid content of anaerobic fermentation.Slurries are admitted to return box 3 by the 1st conveying equipment 2 made of biomass separator 1.
In return box 3, the fresh material and next the having been subjected to of the discharging conveying of pipeline 13 that come from biomass separator are detested The material of aerobe fermentation is mixed and heated fermentation temperature, is then entered from the discharge port of return box bottom by the 2nd conveying equipment 4 Horizontal type anaerobic fermentation reactor 5.
Horizontal type anaerobic fermentation reactor 5 by fermentation tank 6, the horizontal agitating device through tank body, feed inlet, discharge port, The compositions such as methane outlet and sediment ejection opening.Horizontal agitating device is by scraper plate 9 and power at the top of agitating shaft 7, mixing arm 8, mixing arm System forms.
In the present embodiment, mixing arm 8 is evenly distributed on agitating shaft 7, and the angle of adjacent two mixing arm is 30~90 degree, It is preferred that 45 degree or 60 degree.The angle all same of mixing arm and agitating shaft, by setting the angle of mixing arm and mixing arm upper scraping plate, So that agitating device in the process of running not only has material stirring action, also push material in the form of approximate piston flow from sleeping Formula anaerobic fermentation reactor feed end is moved to discharge end, completes entire fermentation process.
The discharge port of horizontal type anaerobic fermentation reactor 5 is connect with the entrance of discharging pump 12, the discharge nozzle that discharging pump 12 exports Line 13 is set there are two branch, and a branch connect with the feed inlet of return box 3, another branch and solid-liquid separating equipment 14 Feed inlet connects;The biogas slurry feed-line that solid-liquid separating equipment 14 is separated is set there are two branch, the biogas slurry pipe of a branch Line is connect with the feed inlet of biomass separator 1, and the biogas slurry pipeline of another branch is connected to biogas slurry treatment system.Separation of solid and liquid The biogas residue that device is separated is transported to biogas residue processing system by biogas residue feed-line.
Horizontal type anaerobic fermentation system provided by the utility model, has the following advantages:
1. Tthe utility model system device structure is simple, easy to operate, reduce the failure rate of equipment in the process of running, So as to save maintenance cost;
2. the utility model solves, existing anaerobic fermentation tank material stirring is insufficient, uneven heating is even, high energy consumption and stops The problems such as staying the time longer, while fresh material completes delivered fresh before anaerobic fermentation reactor is entered by return box The inoculation and preheating of material so that material immediately begins to anaerobic fermentation, and will not be anti-to entire anaerobism after entering anaerobic reactor The temperature of device and material is answered to cause big interference, is of great significance for the increase of fermentation efficiency in anaerobic fermentation process;Together When, the utility model can both realize interval input and output material, can also realize continuous input and output material, to system operatio elasticity bigger.
3. the utility model is applied widely, available for municipal refuse, rubbish from cooking, fowl and animal excrement, garden garbage, farming Object stalk, municipal sludge, food processing waste etc. contain the anaerobic fermentation of a large amount of organic matter organic wastes.It is especially suitable for containing solid The high organic garbage dry anaerobic fermentation of rate.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and Retouching should also regard the scope of protection of the utility model.

Claims (9)

1. a kind of horizontal type anaerobic fermentation system, which is characterized in that including:Feed unit, horizontal type anaerobic fermentation reactor (5) and go out Material unit;Wherein, the feed unit includes biomass separator (1), the 1st conveying equipment (2) and return box (3);It is described go out Material unit includes discharging pump (12) and solid-liquid separating equipment (14);
The biomass separator (1) has feed inlet and a slurry outlet, the feed inlet of the biomass separator (1) simultaneously with External organic waste feed-line and the connection of the 1st biogas slurry feed-line;The slurry outlet of the biomass separator (1) passes through institute State the fresh material feed inlet that the 1st conveying equipment (2) is connected to the return box (3);After the return box (3) also has fermentation Material inlet port and outlet port;The discharge port of the return box (3) is connected to the horizontal type anaerobic by the 2nd conveying equipment (4) The feed inlet of fermentation reactor (5);
The discharge port of the horizontal type anaerobic fermentation reactor (5) is connect with the feed inlet of the discharging pump (12);The discharging pump (12) discharging pipeline (13) is set there are two branch, and material is fed after first branch is connected to the fermentation of the return box (3) Mouthful;Second branch is connected to the feed inlet of the solid-liquid separating equipment (14);
It is defeated that the solid-liquid separating equipment (14) is connected with biogas residue feed-line (17), the 1st biogas slurry feed-line (15) and the 2nd biogas slurry Send pipeline (16);The 1st biogas slurry feed-line (15) is connected to the feed inlet of the biomass separator (1);2nd natural pond Liquid feed-line (16) is connected to external biogas slurry treatment system;
Wherein, the horizontal type anaerobic fermentation reactor (5) including horizontal positioned fermentation tank (6), through fermentation tank (6) Horizontal agitating device and stirring power system;Wherein, the horizontal agitating device includes agitating shaft (7), the agitating shaft (7) In the horizontal direction through entire fermentation tank;Several mixing arms (8) are uniformly distributed on the agitating shaft (7);Each institute State scraper plate (9) at the top of the end setting mixing arm of mixing arm (8).
2. horizontal type anaerobic fermentation system according to claim 1, which is characterized in that the biomass separator (1) is has The broken slurrying all-in-one machine of machine rubbish separation.
3. horizontal type anaerobic fermentation system according to claim 1, which is characterized in that the return box (3) is provided with heating Coil pipe.
4. horizontal type anaerobic fermentation system according to claim 1, which is characterized in that for the horizontal type anaerobic fermentation reaction Device (5), fermentation tank (6) shape are horizontal cylinder shape or section U-shaped;The top of fermentation tank (6) is biogas enrichment region.
5. horizontal type anaerobic fermentation system according to claim 1, which is characterized in that for the horizontal type anaerobic fermentation reaction Device (5), agitating shaft (7) using hollow structure agitating shaft.
6. horizontal type anaerobic fermentation system according to claim 1, which is characterized in that for the horizontal type anaerobic fermentation reaction Device (5), each mixing arm (8) and the angle all same of agitating shaft (7);Angle between adjacent mixing arm (8) is 30~90 degree; Scraper plate (9) is vertical with the axis of corresponding mixing arm (8) at the top of mixing arm.
7. horizontal type anaerobic fermentation system according to claim 6, which is characterized in that the angle between adjacent mixing arm (8) It is 45 degree or 60 degree.
8. horizontal type anaerobic fermentation system according to claim 1, which is characterized in that for the horizontal type anaerobic fermentation reaction Device (5), the height of the mixing arm top scraper plate (9) of extreme higher position are higher than the height of fermentation materials in tank.
9. horizontal type anaerobic fermentation system according to claim 1, which is characterized in that for the horizontal type anaerobic fermentation reaction Device (5), bottom are provided with sediment ejection opening (10), top connection biogas feed-line (11).
CN201820526601.XU 2018-04-13 2018-04-13 Horizontal type anaerobic fermentation system Active CN207552304U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109182096A (en) * 2018-09-11 2019-01-11 北京高能时代环境技术股份有限公司 It is a kind of high containing intrinsic machine solid waste anaerobic reactor
CN109694814A (en) * 2018-12-14 2019-04-30 中国农业大学烟台研究院 A kind of quick anaerobic fermentation system
CN112812940A (en) * 2021-02-04 2021-05-18 上海环境保护有限公司 Mechanical and pneumatic combined dry anaerobic fermentation system and fermentation method
CN114085756A (en) * 2021-11-09 2022-02-25 中国城市建设研究院有限公司 Spiral rotary drum anaerobic reactor and anaerobic fermentation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109182096A (en) * 2018-09-11 2019-01-11 北京高能时代环境技术股份有限公司 It is a kind of high containing intrinsic machine solid waste anaerobic reactor
CN109694814A (en) * 2018-12-14 2019-04-30 中国农业大学烟台研究院 A kind of quick anaerobic fermentation system
CN112812940A (en) * 2021-02-04 2021-05-18 上海环境保护有限公司 Mechanical and pneumatic combined dry anaerobic fermentation system and fermentation method
CN114085756A (en) * 2021-11-09 2022-02-25 中国城市建设研究院有限公司 Spiral rotary drum anaerobic reactor and anaerobic fermentation method thereof

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Effective date of registration: 20210830

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Patentee before: BEIJING XINGYE LANDE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd.