CN109401955A - A kind of vertical multi-stage anaerobic reactor - Google Patents
A kind of vertical multi-stage anaerobic reactor Download PDFInfo
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- CN109401955A CN109401955A CN201811518162.9A CN201811518162A CN109401955A CN 109401955 A CN109401955 A CN 109401955A CN 201811518162 A CN201811518162 A CN 201811518162A CN 109401955 A CN109401955 A CN 109401955A
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- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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Abstract
The invention discloses a kind of vertical multi-stage anaerobic reactors, including supporting structure, tank structure, agitating device, attemperator, several pipelines and valve；Supporting structure is located at ground, for accepting the weight of entire reactor；Tank structure is the vertical structure being made of several anaerobic reactors, is located on supporting structure；Agitating device is located in tank structure, for being uniformly mixed, is dispersed in microbial suspension in material；Attemperator is located at the surface of tank structure, for heating tank structure and keeping the temperature in anaerobic reactor；Each anaerobic reactor passes through corresponding pipeline and is connected to the external world, and pipeline is equipped with valve.The present invention uses the anaerobic reactor of vertical structure, it can develop from ground to aerial, it rationally can effectively utilize limited land resource, and vertical structure, using the agitating mode of an axis multiple tank, axis combination had not only reduced the use of motor but also integrated economic benefit may be implemented.
Description
Technical field
The invention belongs to biological fermentation equipment technical fields, are related to anaerobic fermentation, and in particular to a kind of vertical multi-stage is detested
Oxygen reactor.
Background technique
The organic solid castoff generated in the breeding scale industry of rural area is fast with fermentation gas, easily decomposed and production gas is stable
Feature.Unareobic fermentation processing organic solid castoff can not only recycle clean energy resource, and the production after biogas completely burned
Object is carbon dioxide and water, and secondary pollution will not be generated to environment, and tunning can also change in agricultural application as soil
Good dose or high-quality organic fertilizer.
Reactor facilitates the steady life of each quasi-microorganism as the miniature biochemical analyzer of microbial growth is provided
Long, matter and energy flowing is efficiently smooth, is to maintain the continual and steady necessary condition of system for anaerobic treatment.At anaerobic biological process
In the treatment process design process for managing organic solid castoff, reactor is to develop faster field in anaerobic fermentation process.
Since single anaerobic reactor can only carry out the fermentation of sequencing batch type, such reactor is reacted in anaerobic fermentation
It is unstable that gas is produced in the process, and will be restarted after each fermentation period, and fermentation period length, low efficiency are unfavorable for
The continuous operation of device；After completing a collection of feedstock processing, another batch of raw material is reprocessed, can not achieve continuous production, and anti-
It should need ceaselessly to stir in the process, power consumption is bigger, but also can generate a large amount of biogas residues；The processing of mass production cannot be reached
Purpose, and it is complicated for operation in batch processing, it is unfavorable for automation control and long-range monitoring.
Carry out the research of Multistage continuous anaerobic fermentation reactor thus directed towards the deficiency of single-stage anaerobic reactor, it is this
Although reactor solves the problems such as single anaerobic reactor fermentation period is long, gas producing efficiency is low, but this Multistage continuous
Anaerobic reactor be it is distributed, worked at the same time by multiple anaerobic reactors, it is meant that need multiple blenders and multiple pumpings
Motor works at the same time, this has been resulted in, and multistage anaerobic reactor takes up a large area, energy consumption is high, it is complicated for operation, be unable to continuous feed
The disadvantages of.
Summary of the invention
For the above-mentioned problems in the prior art, the present invention provides a kind of vertical multi-stage anaerobic reactors, use
The anaerobic reactor of vertical structure can rationally can effectively utilize limited land resource from ground to aerial development, and
And vertical structure is connected to multiple reactors using an axis and is driven by a motor using the agitating mode of an axis multiple tank,
The agitating device of multiple reactors is thus overcome by multiple motor-driven disadvantages, axis combination had both reduced making for motor
With may be implemented integrated economic benefit again.
For this purpose, the invention adopts the following technical scheme:
A kind of vertical multi-stage anaerobic reactor, if including supporting structure, tank structure, agitating device, attemperator, main pipe
Road and valve；The supporting structure is located at ground, for accepting the weight of entire reactor；The tank structure is by several
The vertical structure of anaerobic reactor composition, is located on supporting structure, is connected among two adjacent anaerobic reactors by flange
It connects, the connection of two anaerobic reactors is controlled by butterfly valve, is the main place of anaerobic reaction；The agitating device is located at tank body knot
In structure, for being uniformly mixed, it is dispersed in microbial suspension in material；The attemperator is located at the table of tank structure
Face, for heating tank structure and keeping the temperature in anaerobic reactor；Each anaerobic reactor pass through corresponding pipeline and
External world's connection, pipeline is equipped with valve, for controlling the opening and closing of pipeline.
Preferably, the supporting structure includes pedestal and channel steel, and the pedestal is concreting, is fixed on ground；Institute
Stating channel steel is the strip steel that section is groove type, and channel steel lower part is fixed on the base, channel steel top and the tank structure
Bottom is fixedly connected, for keeping the stabilization of tank body in entire reaction process.
Preferably, the top cover of top anaerobic reactor uses ellipse shape end socket, remaining anaerobic reactor in the tank structure
Two end sockets up and down be all made of the conical head of flat-top；The top of each anaerobic reactor is equipped with multiple ducts, for collecting
React the gas generated, charging, the various response parameters for detecting internal-response object；Bottom anaerobic reaction in the tank structure
The bottom of device uses pyramidal structure, for preventing material from depositing.
Preferably, connect the flange arrangements of two anaerobic reactors by one a pair of identical flange, intermediate folder gasket with
And several bolt and nuts composition；The centre of two panels flange sealing surface can place one piece of gasket, at the both ends of bolt by nut
After tightening, the ratio pressure on two flange intermediate washer surfaces is deformed after reaching certain numerical value, and fill up on sealing surface it is concave-convex not
Flat place, leaks connection tightly not.
Preferably, the agitating device uses vertical structure associated with an axis, including agitating shaft and blender；The stirring
Axis penetrates through entire tank structure, is equipped with a blender in each anaerobic reactor, passes through axis between blender and agitating shaft
Hold connection.
Preferably, the attemperator uses jacket heat-preservation, and heating medium is water, and supplying heat source includes solar energy, biogas, alcohol
Base fuel.
Preferably, the tank body material of the anaerobic reactor uses carbon steel, and inner tank wall is coated with polymer coating, is used for
Prevent the corrosion of tank body.
Preferably, it is designed with the liquidometer of connection internal environment on the side wall of each anaerobic reactor, is used to indicate reaction
The volume of object.
Preferably, each anaerobic reactor is designed with artificial access hole, the installation and maintenance for equipment.
Preferably, it is designed with pore on the lid of each anaerobic reactor, by placing survey meter based on PH, temperature sensor
It is used to measure the parameters of material with equipment, these equipment such as pressure gauges, keeps anaerobic reactor stable operation.
Compared with prior art, the beneficial effects of the present invention are:
(1) use of land area can be effectively reduced and may be implemented to operate continuously, it can be into one every several days
It criticizes new material and goes out a batch complete residue of fundamental reaction, and strain can be reserved and provide inoculation bacterium for next group raw material.
(2) reactor is vertical structure, and anaerobic reactor can be from ground to aerial development, can be rationally effective sharp
With limited land resource.
(3) vertical structure is connected to multiple reactors by one using an axis using the agitating mode of an axis multiple tank
Motor drives, and thus overcomes the agitating device of multiple reactors by multiple motor-driven disadvantages.The combination of one axis was both reduced
Integrated economic benefit may be implemented in the use of motor again.
(4) reactant reaction of previous stage can directly flow to next stage after for a period of time under gravity, under
Continue to react in level-one, the material at this moment just having reserved space and strain to next group carries out anaerobic fermentation reaction.
(5) vertical structure optimization operating procedure, enables multistage reactor continuous feed and continuous discharge, reaches
Integrated continuous operation process.
Detailed description of the invention
Fig. 1 is a kind of structure composition schematic diagram of vertical multi-stage anaerobic reactor provided by the present invention.
Fig. 2 is the structural schematic diagram of supporting structure in a kind of vertical multi-stage anaerobic reactor provided by the present invention.
Fig. 3 is the structural schematic diagram of tank structure in a kind of vertical multi-stage anaerobic reactor provided by the present invention.
Fig. 4 is blind flange structural schematic diagram.
Fig. 5 is connecting flange structure schematic diagram.
Fig. 6 is butterfly valve structure schematic diagram.
Fig. 7 is the main view of blender.
Fig. 8 is the top view of blender.
Description of symbols: 1, supporting structure；2, tank structure；3, agitating device；4, attemperator；1-1, pedestal；1-
2, channel steel.
Specific embodiment
With reference to the accompanying drawing and specific embodiment come the present invention will be described in detail, specific embodiment therein and explanation only
For explaining the present invention, but it is not as a limitation of the invention.
As shown in Figure 1, the invention discloses a kind of vertical multi-stage anaerobic reactor, including supporting structure 1, tank structure 2,
Agitating device 3, attemperator 4, several pipelines and valve；The supporting structure 1 is located at ground, for accepting entire reactor
Weight；The tank structure 2 is the vertical structure being made of several anaerobic reactors, is located on supporting structure 1, adjacent
By flanged joint among two anaerobic reactors, it is the master of anaerobic reaction that the connection of two anaerobic reactors is controlled by butterfly valve
Want place；The agitating device 3 is located in tank structure 2, for being uniformly mixed, microbial suspension is made to be dispersed in material
In；The attemperator 4 is located at the surface of tank structure 2, for heating tank structure and keeping the temperature in anaerobic reactor；
Each anaerobic reactor passes through corresponding pipeline and is connected to the external world, and pipeline is equipped with valve, for controlling the opening and closing of pipeline.
Specifically, as shown in Fig. 2, the supporting structure 1 includes pedestal 1-1 and channel steel 1-2, the pedestal 1-1 are coagulation
Soil pours, and is fixed on ground；The channel steel 1-2 is the strip steel that section is groove type, and the lower part channel steel 1-2 is fixed on pedestal 1-
On 1, the top channel steel 1-2 is fixedly connected with the bottom of the tank structure 2, for keeping the steady of tank body in entire reaction process
It is fixed.
Specifically, as shown in figure 3, the top cover of top anaerobic reactor uses ellipse shape end socket in the tank structure 2, remaining
Two end sockets up and down of anaerobic reactor are all made of the conical head of flat-top；The top of each anaerobic reactor is equipped with multiple holes
Road, for collecting gas, the charging, the various response parameters for detecting internal-response object that reaction generates；In the tank structure most
The bottom of lower anaerobic reactor uses pyramidal structure, for preventing material from depositing.
Specifically, connect the flange arrangements of two anaerobic reactors by one a pair of identical flange, intermediate folder gasket with
And several bolt and nuts composition；The centre of two panels flange sealing surface can place one piece of gasket, at the both ends of bolt by nut
After tightening, the ratio pressure on two flange intermediate washer surfaces is deformed after reaching certain numerical value, and fill up on sealing surface it is concave-convex not
Flat place, leaks connection tightly not.
Specifically, the agitating device 3 is using vertical structure associated with an axis, including agitating shaft and blender；It is described to stir
It mixes axis and penetrates through entire tank structure, be equipped with a blender in each anaerobic reactor, pass through between blender and agitating shaft
Bearing connection.
Specifically, the attemperator 4 uses jacket heat-preservation, and heating medium is water, supplying heat source include solar energy, biogas,
Alcohol-based fuel.
Specifically, the tank body material of the anaerobic reactor uses carbon steel, and inner tank wall is coated with polymer coating, is used for
Prevent the corrosion of tank body.
Specifically, it is designed with the liquidometer of connection internal environment on the side wall of each anaerobic reactor, is used to indicate reaction
The volume of object.
Specifically, each anaerobic reactor is designed with artificial access hole, the installation and maintenance for equipment.
Specifically, it is designed with pore on the lid of each anaerobic reactor, by placing survey meter based on PH, temperature sensor
It is used to measure the parameters of material with equipment, these equipment such as pressure gauges, keeps anaerobic reactor stable operation.
Embodiment
A kind of vertical multi-stage anaerobic reactor, the overall structure of the reactor are made of vertical three anaerobic reactors
Structure, by flanged joint, the top cover of each reactor is also that can make the installation and removal of reactor by flanged joint more for centre
Simplicity, and the gravity mean allocation of tank body can be kept the center of gravity of reactor more stable by the utilization of flange.Two-stage reactor
Connection is controlled by butterfly valve, and the top cover of top reactor uses ellipse shape end socket, other two end sockets use the conical head of flat-top.
Multiple ducts are opened up at the top of each reactor, to collect the gas that reaction generates, charging detects the temperature of internal-response object
The response parameters such as degree, concentration and pH.It is anti-to add medical fluid and extraction at any time such as settable feed opening, dosing mouth and sample tap
Answer object sample.Reactor bottom uses pyramidal structure, can avoid forming dead angle, prevents material from depositing.Vertical multi-stage anaerobic reaction
The tank structure of device is as shown in Figure 3.
The material of tank body has stainless steel, carbon steel and glass reinforced plastic etc..There are many advantages of glass reinforced plastic, such as high-strength light, corrosion resistant
Erosion and designability are good etc., but the disadvantage that its elasticity modulus is low, aging phenomenon and shear strength are low is not suitable for the design
In vertical structure.The advantages of stainless steel is that have corrosion-resistant, high temperature resistant and intensity height etc., but cost is high.Relative to
Stainless steel, carbon steel are easy to generate, and intensity is high, and cost is lower than stainless steel, is suitably applied vertical multi-stage anaerobic reactor
Feed liquid in tank body material fermentor has certain corrosivity, can prevent tank body by applying polymer coating in inner wall
Corrosion.
Chamber lid and sealing means are most important for reactor, the ellipse type end socket of lid of reactor, use
Flange is sealed.The structure of flanged joint is by a pair of identical flange, one gasket of intermediate folder and several bolt spiral shells
Mother's composition.The centre of two panels flange sealing surface can place one piece of gasket, after at the both ends of bolt, nut is tightened, in two flanges
Between ratio pressure on gasket surface reach certain numerical value after be deformed, and fill up uneven place on sealing surface, keep connection tight
It does not leak, and flanged joint is easy to use, is able to bear biggish pressure, for the sealing cover of reactor, can effectively protect
The stability of internal environment is held, air-tightness is good.Fig. 4 show the blind flange of vertical multi-stage anaerobic reactor.Table 1 is this reality
Apply the size of blind flange selected by example.
The size of 1 blind flange of table
Connection type between two reactors is also by flanged joint, and such flange can be conducive to pressure mean allocation
The stability of tank body.When flange is used for the connection of two reactors, lower flange be it is closed, the reserved circular hole in centre can make to stir
Axis passes through and discharge port.Fig. 5 show the schematic diagram of junction flange.Table 2 is the size of connecting flange selected by the present embodiment.
The size of 2 connecting flange of table
The application of butterfly valve can make reactor carry out being connected to control with lower reactor, and butterfly valve is screwed and is being connected
The lower surface of flange.Butterfly valve can be opened when needing to discharge, and material is made to flow to next stage by butterfly valve.When terminate can for discharging
To close butterfly valve, the waterproofness and air-tightness of butterfly valve are good, can be effectively prevented the overflow of higher level's material to next stage.Butterfly valve is
A kind of valve of rate-of flow is opened, closes or adjusted with 90 ° or so of disc type opening and closing element reciprocating rotating.The advantages of butterfly valve is
Structure is simple and light weight small in size, easy to operate etc., and has good flow regulating function in use, closes
When have good air-tightness.
Butterfly valve can transport slurries in anaerobic reactor, accumulate minimum of liquid in pipeline opening.Under low pressure, it may be implemented good
Good sealing.Valve rod has good comprehensive mechanical property and corrosion resistance, resistance to marring by modifier treatment for through rod structure.
Valve rod only rotates without making lifting operation when butterfly valve opens and closes, and the filler of valve rod is survivable, sealed reliable.Installation side
Just, replacement can be disassembled at any time after butterfly valve is more than service life.Fig. 6 show the structural schematic diagram of butterfly valve.Table 3 is this implementation
The size of butterfly valve selected by example.
3 butterfly valve size of table
Shown in overall structure Fig. 1 of vertical multi-stage anaerobic reactor, it is equipped with agitating device 3, attemperator 4 and supporting structure
1。
This reactor is the liquid rubbish obtained after the LBP multi-phase separation technical treatment using house refuse liquefied mixture
Organic matter slurries carry out producing methane through anaerobic fermentation, and the liquid level of connection internal environment is designed with beside the reactor of every level-one
Meter, the volume to Indicator Reaction object.Artificial access hole is set, the installation and maintenance for equipment.And every stage reactor
It is both provided with pore on lid and is used to place pH meter survey meter, temperature sensor and pressure gauge etc. for the parameters to feed liquid
It is measured, allows to keep stable under certain circumstances, be advantageous for continuous gas generation in this way.And in continuous feed and
The variation that internal environment can be monitored in the operating process of continuous discharge is adjusted.Sampling is designed at the top of each reactor
Mouthful, to measure the concentration of methane and the parameter of reactant.An insulation jacket, Nei Tongbao is all arranged in the outside of every stage reactor
Warm water keeps the temperature tank body.One feed inlet is arranged at the top of every stage reactor, will be former by bottom pump by pipeline and company
Material is driven into the inside of reactor respectively.The gas outlet on every stage reactor top connects centralized collection with pipeline.In reactor
A strain refluxing opening is arranged in bottom, before being got to strain with pump by pipeline in two-stage reactor, flows back for strain.
Methane concentration sense can be arranged by pipeline centralized collection, the exit of pipeline in the mixed gas that three reactors generate
Device and three-way magnetic valve are answered, triple valve opens directly collection methane gas when the higher miscellaneous gas concentration of methane concentration is lower, when miscellaneous
Triple valve is closed when gas concentration is higher, and miscellaneous gas is expelled directly out.Since the miscellaneous gas that first order fermentation reactor generates is more, so
A methane concentration inductor and three-way magnetic valve are also provided on the outlet pipe of first stage reactor.
Entire reactor is welded with four channel steel 1-2, is evenly distributed on the outside of reactor the weight for accepting reactor,
The beneath pedestal 1-1 by concreting accepts channel steel, as shown in Fig. 2, keep the stabilization of tank body in entire reaction process.Slot
Steel is the strip steel that section is groove type.Cross sectional shape is that the fashioned iron of flute profile has preferable welding, riveting property in use
Energy and comprehensive mechanical performance.The place compared with noticeable effort is born in engineering structure, channel steel 1-2 is for bearing in the present embodiment
The weight of entire reactor.Table 4 and table 5 are the design parameter of the present embodiment supporting structure 1.
4 channel steel parameter of table
5 concrete bed parameter of table
Organic matter slurries will be in flow regime during the fermentation, and at this moment fermentative microorganism can just effectively utilize organic
Chylema liquid carries out anaerobic fermentation, to improve the effect of fermentation.The layering of fermentation liquid be unfavorable for produce gas so, in anaerobic reactor
One blender of middle setting.Whipping process can allow raw material and strain evenly dispersed in the reactor, increase microorganism and raw material
Contact surface, to be completed in a relatively short time mixing, heat transfer either carries out biochemical reaction.And then improve anaerobic fermentation speed
Degree improves gas production, in addition, being also beneficial to the CO for preventing the floating of biogas residue and fermentation being promoted to generate2With the discharge of methane, to having
For the fermentation reactor of heating device, stirring is conducive to the transmitting of thermal energy.
The main function of blender is to be uniformly mixed, and is dispersed in microbial suspension in material, and stirring can also be prevented
Only the accumulation of material and thallus is conducive to anaerobic fermentation high speed, efficient progress, while strengthening heat transfer.
Intermittent stirring is carried out during anaerobic reaction to reactant, there are three types of the modes of stirring, i.e. mechanical stirring, liquid
Stirring and gas agitating.The present embodiment is as needed, and the agitating mode used is mechanical stirring.
Common blender can be divided by stirring purposes: low viscosity fluid blender is (when fermentation reaction object concentration is lower
Using) and highly viscous fluid with blender (be suitable for reactant concentration higher).Low viscosity fluid blender has pusher, paddle and circle
Disk turbine type etc..Highly viscous fluid blender has anchor formula, frame and spiral helical-ribbon type etc..The present embodiment is according to the property of organic matter slurries
Matter, i.e. organic matter slurries contain suspended solid, and the higher feature of viscosity selects anchor agitator, and material is stainless steel.Although spiral shell
The mixing speed of ribbon agitator be it is best, material can uniformly be stirred, but the processing of helix(ribbon type) agitator
Difficult and cost is high, so putting aside.The size of blender selected by the present embodiment is as shown in table 6.Fig. 7 and Fig. 8 stir for anchor formula
Mix the structural schematic diagram of device.
The size of 6 anchor agitator of table
Anchor agitator structure is simple, is suitable for viscosity in 100Pas fluid stirrer below.When fluid viscosity exists
When 10 to 100Pas, a horizontal paddle, as gate stirrer can be added among anchor formula slurry.The structure of this blender is stirring
The mixing of reactant in the middle part of container can be increased in the process.The characteristics of anchor gate stirrer is that structure is simple, and it is big to be suitable for viscosity
The big material for the treatment of capacity.And big shearing force can be obtained when low speed rotation along wall surface, material sedimentation and reaction can be reduced
Object adheres in wall surface.The base bearing of the bottom shape of blender and the structure of tank body and centre is similar, therebetween only very little gap,
The viscous reaction product being attached on cell wall or the solids for being piled up in slot bottom can be removed, preferable heat-transfer effect is kept.
The vertical structure as associated with the present embodiment is an axis so agitating shaft is longer, therefore the axis of blender is divided into
Two to three sections are processed, then form firm rigid connection so that it is convenient in installation and dismantling with shaft joint.Positive coupling
Structure it is simple, and manufacturing cost is lower, assembly and disassembly, easy to maintain, it is higher to neutrality to can guarantee that two axis have, in whipping process
It is able to maintain the stabilization of tank body.According to current embodiment require that, the size of shaft joint is as shown in table 7.
The size of 7 shaft joint of table
The bottom of every grade of fermentor is equipped with base bearing, it is therefore an objective to axis be fixed, prevent from swinging does not influence again simultaneously
Rotation.Due to having water inside organic matter slurries, so bearing will have certain anti-leakage and acid-alkali-corrosive-resisting.Bearing belongs to base
This components belongs to standard component, and the mechanical equipment of any need rotation requires the support of bearing, and bearing rises in mechanical equipment
To antifriction and load bearing effect, bearing is generally divided into rolling bearing and sliding bearing.Rolling bearing and sliding bearing phase
Than having many advantages, such as that frictional resistance is small, starting is sensitive, high-efficient, lubrication is easy and is easily changed.The bearing that the present embodiment is selected
It is shown in Table 8.
The parameter of 8 bearing of table
The attemperator 4 of the vertical multi-stage anaerobic reactor of the present embodiment is to use jacket heat-preservation, and heating medium is water, heat supply
Source is solar energy, biogas, alcohol-based fuel etc., and electric heating can also be used as heat source, but consider some rural area supply loads
And electrical stability problem, the present embodiment are put aside.The reliable of whole system heat supply is kept in anaerobic fermentation reaction process
Property.For solar energy as a kind of green, reproducible clean energy resource, carrying out heating to water for water heater has inexhaustible, ring
Free of contamination feature is protected, as long as there is sunlight that can operate normally.But in view of solar water heater is in cloudy day or winter heating
The shortcomings that effect will be deteriorated, in winter when biogas and alcohol-based fuel can be used to provide heat source, alcohol-based fuel is petroleum
Accessory is a kind of clean energy resource, and the product after completely burned is that carbon dioxide and water, no pollution to the environment, and alcohol radical fire
Expect it is easy to process refine, it is at low cost.
It theoretically analyzes, there are many selections for the operation process of vertical multi-stage anaerobic reactor, according to LBP integration experiment
The previous operating experience of equipment, emphasis are designed following two process program.
Process program one
It is due to obtaining liquid rubbish organic matter slurries after the LBP multi-phase separation technical treatment of house refuse liquefied mixture
It is discontinuous, so in the storage equipment of the front end of vertical multi-stage anaerobic reactor setting liquid organic matter slurries, liquid is organic
Chylema liquid is in anaerobic state in the device and carries out acid fermentation, is transported to organic matter slurries by delivery pump after the completion of acid fermentation
In vertical multi-stage anaerobic reactor, anaerobic fermentation gas production is directly carried out in internal and strain.The whole control flow of the program is such as
Under (following R1, R2, R3 respectively indicate three anaerobic reactors from top to bottom).
(1) raw material for all filling it up with 100% in R1, R2 and R3 in the initial phase of reaction carries out anaerobic reaction.
(2) it ferments after stablize production gas, opens R3 discharging butterfly valve, observe the liquidometer of R3,50% fermentation production is discharged
Object reserves 50% fermenting microbe.Then the liquidometer that the butterfly valve between R2 and R3 is watched simultaneously in R2 is opened, by R2 50%
Material be put into R3 and the strain reserved in R3 continues anaerobic fermentation and reacts.Similarly in R1 50% material is put into
Continue to react with strain remaining in R2 into R2.At this moment 50% raw material is injected into R1 with delivery pump into R1 again
It ferments.
(3) after material reacts 3 days in above-mentioned reactor, step (2) is repeated i.e. with 3 days for a period, continue
50% product has reached the anaerobic reaction process of continuous feeding and discharging simultaneously and into 50% raw material.
Due to being 50% flowing downward by measure in reactor content, so ideally 50% material is every
It is 6 days that the time of anaerobic fermentation gas production is carried out in a reactor, i.e. reaction time of the material in vertical three-level anaerobic reactor
It is 18 days.
The advantages of this scheme, is entered directly into reactor and starts after the last stage of reactor carries out acidification reaction
Fermentation gas can achieve the effect that continuous feed continuous discharge and gas production is stable and treating capacity is big, reach integrated
The effect of change.
Process program two
In the case that the amount of acquisition liquid rubbish organic matter slurries is fewer after LBP multi-phase separation technical treatment, do not have to
In the front end of vertical multi-stage anaerobic reactor setting storage fermentor.First that vertical multi-stage anaerobic reactor can be used is grading
Row acid fermentation can be directly introduced to carry out anaerobic fermentation gas production in lower stage reactor after fermentation completely.The overall flow of the program
(following R1, R2, R3 respectively indicate three anaerobic reactors from top to bottom) as follows.
(1) initial phase reacted fills it up with 100% raw material in R1, and 50% ready band strain object is put into R3
Acidification consumption oxygen is hydrolyzed in R1 and produces acid for matter, i.e. material；
(2) liquidometer that the butterfly valve between R1 and R2 is watched simultaneously in R1 is opened after reacting 3 days；By in R1 50% raw material
It is put into R2, while in R3 25% band strain substance being got in R2 with pump and is reacted, it later will be remaining in R1
50% raw material is transported in R3 with delivery pump to be reacted with the remaining substance that carries disease germs in R3, and at this moment R1 is sky, is respectively had in R2, R3
75% material carries out anaerobic fermentation reaction.
(3) it reacts and fills within 10 days raw material in backward R1, open the tunning of R3 discharging butterfly valve discharge 50%, reserve 25%
Reactant do strain.In R2 50% reactant is put into again and continues to react in R3, then is put again after carrying out reaction 3 days
50% reactant out, by fermented three days raw materials are respectively put into R2, R3 and react in R1.It so repeats to walk
Suddenly (3), it can 16 days are a period, continue anaerobic fermentation reaction.
The advantages of program be in reaction process hydrolysis acidification stage and methane phase stage all in a set of consersion unit into
Row does not need that a holding vessel is arranged in the front end of vertical multi-stage anaerobic reactor, achievees the effect that continuous integrated treatment.
The number of strain quantity and the quality of quality directly influence the generation of biogas in anaerobic fermentation, and reflux unit is set
The strain that can effectively utilize anaerobic fermentation is set, the concentration and quality of strain in higher level's anaerobic fermentation can be effectively improved.?
In addition the anaerobic reaction-pot of one storage strain can be set in the fermentation process of vertical multi-stage anaerobic reactor, it in this way can be to prevent
Only certain stage reactor is stopped fermentation or can be started using these strains when not producing gas in vertical multi-stage anaerobic reactor
Reaction.Need to measure the various parameters such as temperature, PH and concentration etc. of internal fermentation reaction object during anaerobic reaction at any time, so
On the top of vertical multi-stage anaerobic reactor, all reserved locations pass through for the measuring device of sensor etc..All measuring device and
Control equipment may be integrated into progress automatic online in a circuit board and monitor and control.Be equipped on the outside of every stage reactor and
The liquidometer of inside connection, can indicate the capacity of internal-response object, facilitate and operated.
The starting of vertical multi-stage anaerobic reactor is referred to above-mentioned two scheme, and vertical structure can also design
A variety of feeding manners, such as in scheme one continuous discharge only go out 25%, feed also into 25%, can shorten in this way input and output material when
Between achieve the effect that continuous operation.Since the ferment effect of different debirs is different, thus for fibre-bearing compared with
The times of the material demands fermentation of more equal difficult fermentations are longer, and the scheme of inlet amount is just different, input and output material number will be according to reality
The case where border, is controlled.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to restrict the invention, all in essence of the invention
Made any modification, equivalent replacement and improvement etc., should be included in protection scope of the present invention within mind and spirit
Within.
Claims (10)
1. a kind of vertical multi-stage anaerobic reactor, including supporting structure, tank structure, agitating device, attemperator, several pipelines
And valve, it is characterised in that: the supporting structure is located at ground, for accepting the weight of entire reactor；The tank structure
For the vertical structure being made of several anaerobic reactors, it is located on supporting structure, among two adjacent anaerobic reactors
By flanged joint, the connection of two anaerobic reactors is controlled by butterfly valve, is the main place of anaerobic reaction；The agitating device
In tank structure, for being uniformly mixed, it is dispersed in microbial suspension in material；The attemperator is located at tank body
The surface of structure, for heating tank structure and keeping the temperature in anaerobic reactor；Each anaerobic reactor passes through accordingly
Pipeline be connected to the external world, pipeline is equipped with valve, for controlling the opening and closing of pipeline.
2. a kind of vertical multi-stage anaerobic reactor according to claim 1, it is characterised in that: the supporting structure includes bottom
Seat and channel steel, the pedestal are concreting, are fixed on ground；The channel steel is the strip steel that section is groove type, slot
Steel lower part is fixed on the base, and channel steel top is fixedly connected with the bottom of the tank structure, for keeping entire reaction process
The stabilization of middle tank body.
3. a kind of vertical multi-stage anaerobic reactor according to claim 1, it is characterised in that: top in the tank structure
The top cover of anaerobic reactor uses ellipse shape end socket, and two end sockets up and down of remaining anaerobic reactor are all made of the taper envelope of flat-top
Head；The top of each anaerobic reactor is equipped with multiple ducts, gas, charging, the detection internal-response generated for collecting reaction
The various response parameters of object；The bottom of bottom anaerobic reactor uses pyramidal structure in the tank structure, for preventing object
Material deposition.
4. a kind of vertical multi-stage anaerobic reactor according to claim 1, it is characterised in that: two anaerobic reactors of connection
Flange arrangement be made of a pair of identical flange, one gasket of intermediate folder and several bolt and nuts；Two panels flange seal
The centre in face can place one piece of gasket, the ratio pressure after nut is tightened at the both ends of bolt, on two flange intermediate washer surfaces
It is deformed after reaching certain numerical value, and fills up uneven place on sealing surface, leak connection tightly not.
5. a kind of vertical multi-stage anaerobic reactor according to claim 1, it is characterised in that: the agitating device uses one
Vertical structure associated with axis, including agitating shaft and blender；The agitating shaft penetrates through entire tank structure, each anaerobic reactor
In be equipped with a blender, between blender and agitating shaft pass through bearing connect.
6. a kind of vertical multi-stage anaerobic reactor according to claim 1, it is characterised in that: the attemperator is using folder
Set heat preservation, heating medium is water, and supplying heat source includes solar energy, biogas, alcohol-based fuel.
7. a kind of vertical multi-stage anaerobic reactor according to any one of claim 1 to 6, it is characterised in that: described to detest
The tank body material of oxygen reactor uses carbon steel, and inner tank wall is coated with polymer coating, for preventing the corrosion of tank body.
8. a kind of vertical multi-stage anaerobic reactor according to claim 7, it is characterised in that: the side of each anaerobic reactor
It is designed with the liquidometer of connection internal environment on wall, is used to indicate the volume of reactant.
9. a kind of vertical multi-stage anaerobic reactor according to claim 7, it is characterised in that: each anaerobic reactor is set
There is artificial access hole, the installation and maintenance for equipment.
10. a kind of vertical multi-stage anaerobic reactor according to claim 7, it is characterised in that: each anaerobic reactor
Pore is designed on lid, by placing the equipment such as survey meter based on PH, temperature sensor and pressure gauge, these equipment are for measuring
The parameters of material keep anaerobic reactor stable operation.
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