CN109136073A - High concentration organic waste dry-type anaerobic system - Google Patents
High concentration organic waste dry-type anaerobic system Download PDFInfo
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- CN109136073A CN109136073A CN201811286443.6A CN201811286443A CN109136073A CN 109136073 A CN109136073 A CN 109136073A CN 201811286443 A CN201811286443 A CN 201811286443A CN 109136073 A CN109136073 A CN 109136073A
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/58—Reaction vessels connected in series or in parallel
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- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
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- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
- C12M41/34—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of gas
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Abstract
The invention discloses a kind of high concentration organic waste dry-type anaerobic systems, it successively includes anaerobism feeder and anaerobism inoculator, anaerobism inoculator is parallel with multiple dry type anaerobic reactors or head and the tail are in series with multiple dry type anaerobic reactors, dry type anaerobic reactor includes anaerobic fermentation room, anaerobic fermentation room top is provided with anaerobism loading hopper, the anaerobism loading hopper other end is connected with anaerobism inoculator in turn by pipeline, anaerobic fermentation room lower part is provided with anaerobism discharging device, increasing attemperator is wound in anaerobic fermentation chamber interior walls, it include the horizontal plough type blender for being hinged on anaerobic fermentation room both ends in anaerobic fermentation room, biogas collection device is installed on the other end outer wall of anaerobic fermentation room, and each biogas collection device is connect with collecting pipe.The present invention from the process technology for polluteing recycling, is improving the efficiency that organic matter transformation is inanimate matter, increases the yield of biogas, expands economic benefit, while solving the problems, such as the consumption of biogas slurry returning to the field difficulty.
Description
Technical field
The present invention relates to high concentration organic waste treatment disposition sourceizations to utilize technical field, and in particular to a kind of high concentration
Organic waste dry-type anaerobic system.
Background technique
Anaerobic fermentation technology is to handle the best techniques route selection of high concentration organic waste pollutant, has degradation efficiency
The advantages such as height, low energy consumption, low equipment investment, and byproduct is more.It is widely applied in Agriculture, forestry And Animal Husbandry and environmental protection industry (epi), by hundred
Development anaerobic reactor over year is also constantly updating ease generation according to environmental demand, under the requirement of environmental protection policy instantly, recycling
It is more even more important than innoxious and minimizing, therefore the dream to realize zero-emission, also need technically continuous strategic structural.
In traditional large-scale wet-type Fermentation Engineering, biogas slurry amount is big, though fertilizer efficiency is high, that there are returning to the field is costly, dissolves area
The problems such as wide.So the application of traditional handicraft is limited by Land Size, if biogas slurry can not dissolve completely, it is secondary to will increase environment
The risk of pollution.Therefore to fermentation technique, more stringent requirements are proposed during realizing recycling, should play conventional wet
The advantage of formula fermentation solves the problems, such as that the biogas slurry returning to the field faced instantly is difficult again.
Therefore, there is an urgent need to develop a set of completely new high concentration organic waste dry-type fermentation systems, to solve above-mentioned ask
Topic.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of high concentration organic waste dry-type anaerobism
System；System solves the problem following problems:
1) system effective solution traditional wet anaerobic system outlet biogas slurry can not complete resource the problem of utilizing；
2) system efficiently solves the small scale of conventional solid-state fermentation system, the difficult problem of mass transfer, heat transfer；
3) the problem of fermenting system solves the problem wet type: 1. biogas slurry amount is big；2. pretreatment is complicated, process variable is more；3. reacting
Device deposit and dross are more, and cleaning cycle is short；4. volumetric loading is low, volumetric gas production rate is low.
4) the problem of fermenting system solves the problem conventional solid-state: 1. mass transfer, heat transfer are difficult, part easily acidification；2. single-stage, multistage
Can not flexibly it switch；3. treatment scale is small, it is few to be applicable in material variety.
To achieve the above object, a kind of high concentration organic waste dry-type anaerobic system designed by the present invention, it is successively wrapped
Include anaerobism feeder and anaerobism inoculator, the anaerobism inoculator be one another in series or be in parallel after dry type anaerobic reactor company
It connects, the dry type anaerobic reactor includes anaerobic fermentation room, and the bottom of the anaerobic fermentation room tilts down, the anaerobic fermentation
Room top is provided with anaerobism loading hopper, and the anaerobism loading hopper feed end is connected with anaerobism inoculator by pipeline, described
Anaerobic fermentation room lower part is provided with anaerobism discharging device, and increasing attemperator is wound in the anaerobic fermentation chamber interior walls, described to detest
It include the horizontal plough type blender for being hinged on anaerobic fermentation room both ends in aerobe fermentation room, the horizontal plough type blender includes hinged
Agitating shaft at anaerobic fermentation room both ends, and one end of the mixing shaft passes through anaerobic fermentation room and is connected with stirring motor, the anaerobism hair
Biogas collection device is installed, and each biogas collection device is connect with collecting pipe on the outer wall of ferment room.
Above-mentioned anaerobic fermentation room provides physicochemical environment for medium temperature or high temperature anaerobic microorganism, and reaction chamber and multiple auxiliary fill
It sets close ties, work together.Reaction chamber operating pressure is 0~3500Pa, and the residence time is 10~30d, volumetric gas production rate 1
~4m3/m3D, mesophilic digestion temperature are 35~38 DEG C, and hot fermentation temperature is 50~55 DEG C.Reaction chamber is horizontal steel construction shape
Formula, bottom is with flow direction of material direction slope 1~5 ‰.
Further, level monitoring device is provided on the anaerobic fermentation chamber outer wall, on the dry type anaerobic reactor
Side is provided with security system.
Multiple plough type stirring blades are provided with still further, alternating on the agitating shaft, and adjacent plough type stirs
The angle that blade is formed is 0~180 °.
Still further, the section of the anaerobic fermentation room is in the shape of a right-angled ladder, the anaerobism loading hopper and anaerobism go out
Expect that device is vertical with the right angle waist in anaerobic fermentation room section.
Still further, the anaerobism discharging device is mounted on the oblique waist bottom for the anaerobic fermentation room that section is right-angled trapezium shape
On the outer wall in portion, and anaerobism discharging device is vertical with horizontal plough type blender, and the anaerobism discharging device includes discharge nozzle, described
Stirring slurry is provided in discharge nozzle, and the stirring slurry protrudes into anaerobic fermentation room, the stirring slurry is connected with discharging pipe outer wall
On stirring motor.
Still further, the anaerobism inoculator be connected in parallel to each other after dry type anaerobic reactor connection when, discharge nozzle
Bottom is provided with outfeed belt conveyor.
Still further, tail portion is done when the connection of the anaerobism inoculator and the dry type anaerobic reactor being one another in series
Discharging bottom of the tube on formula anaerobic reactor is provided with outfeed belt conveyor.
Above-mentioned each device purposes and advantage:
The material that equipment of the above-mentioned anaerobism discharging device by vacuum or other forms will have been fermented in anaerobic reactor
Extraction, the solid-liquid separation system of end is delivered to using power-equipment, at the same ensure in anaerobic reactor the stabilization of level and
It is unobstructed.
Anaerobe is inoculated in the fresh material of anaerobism feeder entrance by above-mentioned anaerobism inoculator, makes the micro- life of anaerobism
Object is sufficiently mixed with fresh material, while being heated in advance, and inoculative proportion is determined according to fermentation concentration.
Above-mentioned collecting methane system is collected and conveys to biogas caused by anaerobic fermentation, while guaranteeing in reactor
Range of pressure fluctuations stablize, collecting methane system is additionally provided with positive/negative pressure protection device and emergency decompression device, ensures that anaerobism is anti-
Answer the process operation safety of device.
Above-mentioned increasing attemperator is the increasing attemperator and relevant blind controller system by being mounted in anaerobic reactor
Composition, provides isoperibol for medium temperature or high temperature anaerobic, the system heated to fresh material.The control of anaeration in normal temperature temperature exists
35~38 DEG C, high temperature anaerobic temperature is controlled at 50~55 DEG C.
Above-mentioned level control system is made of the instrument system being mounted on anaerobic reactor, passes through control anaerobism charging system
The operation of system and anaerobism discharge system maintains the stability of anaerobic environment, makes object to adjust the level height in anaerobic reactor
Material outlet after sufficiently fermenting.
The stirring system, is made of mechanical stirring device, and anaerobic reactor of the invention contains horizontal and vertical two sets
Stirring system, the material in the lateral main pushed horizontal reactor of stirring system is subjected to displacement and uniformly mass transfer, diabatic process；It is vertical
The lateral discharging section in reactor end, the predominantly stirring of end homogeneous and broken shell, deslagging, auxiliary discharging are mounted on to stirring system
Deng.Two sets of stirring systems ensure that anaerobic reactor to the adaptability of various material concentrations, is subjected to the material of TS15~40%
Into reactor.
The security system reaches forewarning function by detecting combustable gas concentration, can remote reviewing dress by monitoring probe
The operating condition and manual work situation, security system set are separately provided, but with the chain operation of process system, in emergency
Security implementations can be taken when generation rapidly.
Beneficial effects of the present invention:
The present invention from the process technology for polluteing recycling, is improving the efficiency that organic matter transformation is inanimate matter, increases
The yield for having added biogas expands economic benefit, while solving the problems, such as the consumption of biogas slurry returning to the field difficulty.It has simultaneously with
Lower advantage:
1. multistage can continuous production；2. single-stage volume is big；3. reactor can and can go here and there；4. concentration of fermenting is 15~40%；
5. efficient mass transfer conducts heat；6. being suitable for large and medium-sized Fermentation Engineering, processed in units amount cost of investment is low；7. volumetric gas production rate is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of tandem high concentration organic waste dry-type anaerobic system of the invention；
Fig. 2 is the structural schematic diagram of parallel high concentration organic waste dry-type anaerobic system of the invention；
Wherein, anaerobism feeder 1, anaerobism inoculator 2, anaerobic fermentation room 3, anaerobism loading hopper 4, anaerobism discharging device 5,
Discharge nozzle 5.1, increases attemperator 6, horizontal plough type blender 7, agitating shaft 7.1, plough type stirring blade 7.2, natural pond at stirring slurry 5.2
Gas collection device 8, collecting pipe 8.1, level monitoring device 9, security system 10, stirring motor 11, outfeed belt conveyor 12.
Specific embodiment
The present invention is described in further detail combined with specific embodiments below, so as to those skilled in the art understand that.
Embodiment 1
The high concentration organic waste dry-type anaerobic system of tandem as shown in Figure 1, it successively includes anaerobism feeder 1
With anaerobism inoculator 2, the concatenated dry type anaerobic reactor of anaerobism inoculator 2 and 3 head and the tail is connect, and dry type anaerobic reactor includes
The section of anaerobic fermentation room 3, anaerobic fermentation room 3 is in the shape of a right-angled ladder,
Anaerobic fermentation room 3 provides physicochemical environment, reaction chamber and multiple auxiliary devices for medium temperature or high temperature anaerobic microorganism
Close ties work together.Reaction chamber operating pressure be 0~3500Pa, the residence time be 10~30d, volumetric gas production rate be 1~
4m3/m3D, mesophilic digestion temperature are 35~38 DEG C, and hot fermentation temperature is 50~55 DEG C.Reaction chamber is horizontal steel construction shape
Formula, bottom is with flow direction of material direction slope 1~5 ‰；
3 top of anaerobic fermentation room is provided with anaerobism loading hopper 4, and 4 feed end of anaerobism loading hopper is connected with by pipeline
Anaerobism inoculator 2,3 lower part of anaerobic fermentation room are provided with anaerobism discharging device 5, and anaerobism loading hopper 4 and anaerobism discharging device 5
It is vertical with the right angle waist in 3 section of anaerobic fermentation room；It is wound on 3 inner wall of anaerobic fermentation room and increases attemperator 6, anaerobic fermentation room
It include the horizontal plough type blender 7 for being hinged on 3 both ends of anaerobic fermentation room in 3, horizontal plough type blender 7 includes that setting is sent out in anaerobism
The agitating shaft 7.1 at 3 both ends of ferment room, and 7.1 one end of agitating shaft passes through anaerobic fermentation room 3 and is connected with stirring motor 11, agitating shaft 7.1
On alternate and be provided with multiple plough type stirring blades 7.2, and the angle that adjacent plough type stirring blade 7.2 is formed is 0~180 °；
Anaerobism discharging device 5 is mounted on the outer wall of the oblique waist bottom for the anaerobic fermentation room 3 that section is right-angled trapezium shape, and
Anaerobism discharging device 5 is vertical with horizontal plough type blender 7, and anaerobism discharging device 5 includes discharge nozzle 5.1, setting in discharge nozzle 5.1
There is stirring slurry 5.2, and stirring slurry 5.2 protrudes into anaerobic fermentation room 1, stirring slurry 5.2 is connected with the stirring on 5.1 outer wall of discharge nozzle
Motor 11.
Biogas collection device 8 is installed on the other end outer wall of anaerobic fermentation room 3, and each biogas collection device 8 with
Collecting pipe 8.1 connects；It is provided with level monitoring device 9 on 3 outer wall of anaerobic fermentation room, is provided with right above dry type anaerobic reactor
Security system 10；5.1 bottom of discharge nozzle on the dry type anaerobic reactor of tail portion is provided with outfeed belt conveyor 12.
The course of work based on above-mentioned high concentration organic waste dry-type anaerobic system:
It is pretreated to expect quantitatively to enter anaerobic fermentation room 3 by anaerobism loading hopper 4 after the inoculation of anaerobism inoculator 2
It is interior, by bedroom plough type blender 7 mixing is sufficiently stirred in virgin material in anaerobic fermentation room, is also increased and detested by the effect of stirring
The mass transfer and heat transfer efficiency of oxygen process；After virgin material enters anaerobic reaction room, the variation of temperature is detected by temperature sensor, is
System, which can automatically adjust, heats heat, maintains 3 temperature of anaerobic fermentation room within the scope of required temperature；Biogas caused by anaerobism converges
Collect 3 top area of anaerobic fermentation room, is delivered to back-end system through pipeline after being collected by biogas collection device 8；Material is from entrance
Anaerobic reaction room 3 starts, can be gradually mobile to outlet end unit with the thrust of stirring, finally will by the stirring slurry of material toggling 5.2
The material to have fermented releases anaerobic reaction room 3, operates by dry type anaerobic reactor, is sent biogas residue repeatedly by outfeed belt conveyor 12
Until next unit.
Embodiment 2
Parallel high concentration organic waste dry-type anaerobic system and structure as shown in Figure 2 is essentially identical, difference
Be in:
Anaerobism inoculator 2 and 3 be connected in parallel to each other after dry type anaerobic reactor connection；Each dry type anaerobic reactor
5.1 bottom of discharge nozzle is provided with outfeed belt conveyor 12.
According to the actual situation, pretreated to expect to be respectively enterd after the inoculation of anaerobism inoculator 2 by anaerobism loading hopper 4
The anaerobic fermentation room 3 of different dry type anaerobic reactors.
Other unspecified parts are the prior art.Although above-described embodiment is made that the present invention and retouches in detail
State, but it is only a part of the embodiment of the present invention, rather than whole embodiments, people can also according to the present embodiment without
Other embodiments are obtained under the premise of creativeness, these embodiments belong to the scope of the present invention.
Claims (7)
1. a kind of high concentration organic waste dry-type anaerobic system, it is characterised in that: it successively includes anaerobism feeder (1) and detests
Oxygen inoculator (2), the anaerobism inoculator (2) be one another in series or be in parallel after dry type anaerobic reactor connection, it is described dry
Formula anaerobic reactor includes anaerobic fermentation room (3), and the bottom of the anaerobic fermentation room (3) tilts down, the anaerobic fermentation room
(3) top is provided with anaerobism loading hopper (4), and anaerobism loading hopper (4) feed end is connected with anaerobism by pipeline and is inoculated with
Device (2), anaerobic fermentation room (3) lower part are provided with anaerobism discharging device (5), are wound on anaerobic fermentation room (3) inner wall
Have increasing attemperator (6), includes the horizontal plough type stirring for being hinged on anaerobic fermentation room (3) both ends in the anaerobic fermentation room (3)
Device (7), agitating shaft (7.1) of the horizontal plough type blender (7) including being hinged on anaerobic fermentation room (3) both ends, and agitating shaft
(7.1) one end passes through anaerobic fermentation room (3) and is connected with stirring motor (11), is equipped on the outer wall of the anaerobic fermentation room (3)
Biogas collection device (8), and each biogas collection device (8) is connect with collecting pipe (8.1).
2. high concentration organic waste dry-type anaerobic system according to claim 1, it is characterised in that: the anaerobic fermentation room
(3) it is provided on outer wall level monitoring device (9), is provided with security system (10) above the dry type anaerobic reactor.
3. high concentration organic waste dry-type anaerobic system according to claim 1, it is characterised in that: the agitating shaft
(7.1) it is alternated on and is provided with multiple plough type stirring blades (7.2), and the angle that adjacent plough type stirring blade (7.2) is formed
It is 0~180 °.
4. high concentration organic waste dry-type anaerobic system according to claim 1, it is characterised in that: the anaerobic fermentation room
(3) section is in the shape of a right-angled ladder, and the anaerobism loading hopper (4) and anaerobism discharging device (5) are cut with anaerobic fermentation room (3)
The right angle waist in face is vertical.
5. high concentration organic waste dry-type anaerobic system according to claim 4, it is characterised in that: the anaerobism discharging dress
On the outer wall for setting the oblique waist bottom that (5) are mounted on the anaerobic fermentation room (3) that section is right-angled trapezium shape, and anaerobism discharging device
(5) vertical with horizontal plough type blender (7), the anaerobism discharging device (5) includes discharge nozzle (5.1), the discharge nozzle (5.1)
It is inside provided with stirring slurry (5.2), and the stirring slurry (5.2) protrudes into anaerobic fermentation room (1), stirring slurry (5.2) connection
There is the stirring motor (11) on discharge nozzle (5.1) outer wall.
6. high concentration organic waste dry-type anaerobic system according to claim 5, it is characterised in that: the anaerobism inoculator
(2) be connected in parallel to each other after dry type anaerobic reactor connection when, discharge nozzle (5.1) bottom is provided with outfeed belt conveyor
(12)。
7. high concentration organic waste dry-type anaerobic system according to claim 5, it is characterised in that: the anaerobism inoculator
(2) discharge nozzle (5.1) bottom when connection with the dry type anaerobic reactor that is one another in series, on the dry type anaerobic reactor of tail portion
It is provided with outfeed belt conveyor (12).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113462536A (en) * | 2021-06-23 | 2021-10-01 | 同济大学 | Simulated intestinal canal type anaerobic digestion reactor with high content of inherent organic materials |
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