CN107840553A - A kind of bionical muddy water solution small molecule carbonizing plant and method - Google Patents
A kind of bionical muddy water solution small molecule carbonizing plant and method Download PDFInfo
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- CN107840553A CN107840553A CN201711015022.5A CN201711015022A CN107840553A CN 107840553 A CN107840553 A CN 107840553A CN 201711015022 A CN201711015022 A CN 201711015022A CN 107840553 A CN107840553 A CN 107840553A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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Abstract
The invention discloses a kind of bionical muddy water solution small molecule carbonizing plant and method, belong to sludge hydrolytic carbonization treatment technical field.The bionical muddy water solution small molecule carbonizing plant includes：Sludge-tank；Alkali lye pond；Sludge alkali lye mixing pit first end connects with sludge-tank and alkali lye pond；First sludge hydrolytic reactor first end connects with the second end of sludge alkali lye mixing pit；Second sludge hydrolytic reactor first end connects with the second end of the first sludge hydrolytic reactor；Carbon source storage pool connects with the second end of the second sludge hydrolytic reactor；Small molecule collecting pit connects with carbon source storage pool.The bionical muddy water solution small molecule carbonizing plant of the present invention and method processing cost are low, environment-friendly, technique is simple and convenient to operate, reacts abundant, non-secondary pollution, sludge can be reduced and sludge stabilization treatment.
Description
Technical field
The present invention relates to sludge hydrolytic carbonization treatment technical field, more particularly to a kind of bionical muddy water solution small molecule carbonization dress
Put and method.
Background technology
Activated sludge process is most widely used dirty water living creature processing technique in the world, city domestic sewage treatment plant of China
In, current 80% sewage treatment plant is all using activated sludge process.Sewage sludge be sewage treatment plant processing sewage during
Caused solid waste, and Modern sewage handle one of problem faced, if processing not will result in sludge well
Secondary pollution and " sewage is handled in vain " situation occur.With the innovation of sewage disposal technology, the in-depth of degree for the treatment of and
The raising of handling rate, the yield of sludge are also being continuously increased, and sludge problem has turned into current influences the one of environmental quality development
Overall situation problem.
According to the requirement of Yangtze River Zone water environment protection, reduction main stream of the Yangtze city river section enters water and water pollution is tight
The problem of weight.Existing enterprise performs new Sewage Water Emissions limit value from 1 day July in 2017.To coordinate wastewater reusing device to expand
It can realize that externally discharged waste water COD, ammonia nitrogen total nitrogen stably reach new standard to 400m3/h, realize that sludge decrement long period is steady
Fixed operation, meets the needs of efflux wastewater total nitrogen qualified discharge needs add 2000 tons of methanol every year.Now intend using sludge hydrolytic
Carbonization, make sludge hydrolytic carbonization be small organic molecule and ammonia, to substitute 2000 tons of methanol, for solve at present with 2017 after dirt
Sludge reduction existing for water process and methanol consumption problem, mark transformation is proposed to industry sewage and energy-saving and emission-reduction seem very heavy
Will.
Therefore, properly processing seems particularly necessary with minimizing disposing sludge.Common sludge decrement process includes dirt
Mud mass decrement and sludge volume decrement, sludge volume decrement process mainly include concentration, press filtration and dehydration etc., mainly gone
Except the moisture in sludge, the decrement of sludge volume is realized, but the moisture percentage in sewage sludge after being dehydrated is still higher (80%), while
Secondary pollution is easily produced during landfill and recycling.
The content of the invention
The present invention provides a kind of bionical muddy water solution small molecule carbonizing plant and method, solves or part solves existing skill
Treatment of Sludge cost is high in art, easily causes the technical problem of secondary pollution.
To include in order to solve the above technical problems, the invention provides a kind of bionical muddy water solution small molecule carbonizing plant：Sludge
Pond；Alkali lye pond；Sludge alkali lye mixing pit, first end connect with the sludge-tank and alkali lye pond；First sludge hydrolytic reactor, the
One end connects with the second end of the sludge alkali lye mixing pit；Second sludge hydrolytic reactor, first end and first sludge
The second end connection of hydrolysis reactor；Carbon source storage pool, connected with the second end of the second sludge hydrolytic reactor；Small molecule
Collecting pit, connected with the carbon source storage pool；Wherein, the first rabbling mechanism is provided with the sludge alkali lye mixing pit, it is described
The second rabbling mechanism, the structure of first rabbling mechanism and second mixer are provided with first sludge hydrolytic reactor
The structure of structure is consistent, and the 3rd rabbling mechanism, first sludge hydrolytic are provided with the second sludge hydrolytic reactor
Pressing mechanism is provided between reactor and the second sludge hydrolytic reactor.
Further, first rabbling mechanism includes：First engine, it is arranged on the sludge alkali lye mixing pit；
First agitator, it is arranged in the sludge alkali lye mixing pit, first agitator is connected with first engine；Its
In, first agitator is shaped as egg-whisk shape.
Further, first rabbling mechanism includes：Second engine, it is arranged on the second sludge hydrolytic reactor
On；Second agitator, it is arranged in the second sludge hydrolytic reactor, second agitator connects with second engine
Connect；Wherein, second agitator to be shaped as screw fan lobate.
Further, the pressing mechanism includes：Cellular Networks, it is arranged on the first sludge hydrolytic reactor and described the
Between two sludge hydrolytic reactors.
Further, the carbon source storage pool first end is provided with overflow launder, and the overflow launder is collected with the small molecule
Pond connects；The end of carbon source storage pool second offers mud discharging mouth.
Further, it is provided with mud-scraping mechanism in the carbon source storage pool；The mud-scraping mechanism includes：Trimotor and
Cleaning shoe；The trimotor is arranged on the carbon source storage pool；The cleaning shoe is arranged in the carbon source storage pool,
The cleaning shoe is contacted with the pool wall of the carbon source storage pool, and the cleaning shoe is connected with the trimotor.
Further, the bionical muddy water solution small molecule carbonizing plant of the present invention also includes：First enters dredge pump, is arranged on the dirt
Between mud sump and the sludge alkali lye mixing pit；Measuring pump, it is arranged between the alkali lye pond and the sludge alkali lye mixing pit；
Second enters dredge pump, is arranged between the sludge alkali lye mixing pit and the first sludge hydrolytic reactor.
Further, the bionical muddy water solution small molecule carbonizing plant of the present invention also includes：First valve, it is dirty to be arranged on described first
Between mud hydrolysis reactor and the second sludge hydrolytic reactor；Second valve, it is arranged on the second sludge hydrolytic reactor
Between the carbon source storage pool.
Based on identical inventive concept, the present invention, which also provides a kind of bionical muddy water solution small molecule carbonization method, includes following step
Suddenly：Sludge in sludge-tank and the alkali lye in alkali lye pond are delivered in sludge alkali lye mixing pit, entered by the first rabbling mechanism
Row stirring, decomposes the cellular endogenous material separated out in sludge；Sludge alkali lye mixed liquor after stirring is delivered to the first sludge water
Solve in reactor, be stirred by the second rabbling mechanism, carry out initial hydrolysis reaction；By the reacted sludge alkali of initial hydrolysis
Liquid mixed liquor is delivered in the second sludge hydrolytic reactor by pressing mechanism, is stirred by the 3rd rabbling mechanism, is carried out
It is fully hydrolyzed reaction；The sludge for being fully hydrolyzed reaction is delivered in carbon source storage pool, is fully hydrolyzed caused by the sludge of reaction
Liquid enters small molecule collecting pit.
Further, the solid content of the sludge is 0.5-2%；The concentration of the alkali lye is 20mg/L-40mg/L；Institute
The mixing speed for stating the first rabbling mechanism turns for 3-5min/, mixing time 1-3h；The stirring speed of second rabbling mechanism
Spend 10-15min/ to turn, mixing cycle is 2-2.5h/ times, and each mixing time is less than 1h；The 3rd rabbling mechanism stirring speed
Spend 20-40min/ to turn, mixing cycle is 3-3.5h/ times, and each mixing time is less than 1h；The initial hydrolysis reaction time is 12
±5h；It is described that to be fully hydrolyzed the reaction time be 12 ± 5h.
The one or more technical schemes provided in the embodiment of the present application, have at least the following technical effects or advantages：
Due to the sludge in sludge-tank and the alkali lye in alkali lye pond are delivered in sludge alkali lye mixing pit, stirred by first
Mix mechanism to be stirred, decompose the cellular endogenous material separated out in sludge, with alkali process sludge, by the coercion of alkali,
Fully reacted with excess sludge, decompose the cellular endogenous material of precipitation, while residual sludge reduction, reach draining water quality
Target up to standard, Alkaline pretreatment can effectively dissolve the nitrocellulose in sludge, it is changed into the organic carbon chemical combination of solubility
Thing, shorten the cycle of hydrolysis carbonization, the pH value of conditioning of mud, be at being suitable for the pH value control range of hydrolysis, will
Sludge alkali lye mixed liquor after stirring is delivered in the first sludge hydrolytic reactor, is stirred, entered by the second rabbling mechanism
Row initial hydrolysis is reacted, and the reacted sludge alkali lye mixed liquor of initial hydrolysis is delivered into the second sludge hydrolytic by pressing mechanism
In reactor, pressing mechanism is extruded the reacted sludge alkali lye mixed liquor of initial hydrolysis, while passes through the 3rd mixer
Structure is stirred, and carries out being fully hydrolyzed reaction, the sludge for being fully hydrolyzed reaction is delivered in carbon source storage pool, is fully hydrolyzed anti-
Liquid caused by the sludge answered enters small molecule collecting pit, increase sludge COD and VS degradation rate, shortens sludge hydrolytic carbon
In the cycle of change, the processing time of sludge is shortened, saved existing energy substance such as (methanol), processing cost is low, environment is friendly
Good, technique is simple and convenient to operate, react abundant, non-secondary pollution, sludge can be reduced and sludge stabilization treatment.
Brief description of the drawings
Fig. 1 is the structural representation of bionical muddy water solution small molecule carbonizing plant provided in an embodiment of the present invention；
Fig. 2 is the structural representation of the second rabbling mechanism provided in an embodiment of the present invention.
Embodiment
Referring to Fig. 1-2, a kind of bionical muddy water solution small molecule carbonizing plant provided in an embodiment of the present invention includes：Sludge-tank 1,
Alkali lye pond 2, sludge alkali lye mixing pit 3, the first sludge hydrolytic reactor 4, the second sludge hydrolytic reactor 5, carbon source storage pool 6 and
Small molecule collecting pit 7.
The first end of sludge alkali lye mixing pit 3 connects with the sludge-tank 1 and alkali lye pond 2.
The first end of first sludge hydrolytic reactor 4 connects with the second end of the sludge alkali lye mixing pit 3.
The first end of second sludge hydrolytic reactor 5 connects with the second end of the first sludge hydrolytic reactor 4.
The carbon source storage pool 6 connects with the second end of the second sludge hydrolytic reactor 5.
The small molecule collecting pit 7 connects with the carbon source storage pool 6.
Wherein, the first rabbling mechanism 8, the first sludge hydrolytic reactor 4 are provided with the sludge alkali lye mixing pit 3
The second rabbling mechanism 9 is inside provided with, the structure of first rabbling mechanism 8 and the structure of second rabbling mechanism 9 keep one
Cause, 5 are provided with the 3rd rabbling mechanism 10, the first sludge hydrolytic reactor 4 and institute in the second sludge hydrolytic reactor
State and be provided with pressing mechanism between the second sludge hydrolytic reactor 5.
The application embodiment by the sludge in sludge-tank and the alkali lye in alkali lye pond due to being delivered to sludge alkali lye
In mixing pit, it is stirred by the first rabbling mechanism, decomposes the cellular endogenous material separated out in sludge, it is dirty with alkali process
Mud, by the coercion of alkali, fully reacted with excess sludge, the cellular endogenous material of precipitation is decomposed, in excess sludge reduction
While change, reach the target of draining water quality reaching standard, Alkaline pretreatment can effectively dissolve the nitrocellulose in sludge, make its transformation
For soluble Organic Compounds, shorten the cycle of hydrolysis carbonization, the pH value of conditioning of mud, be at being suitable for hydrolysis instead
The pH value control range answered, the sludge alkali lye mixed liquor after stirring is delivered in the first sludge hydrolytic reactor, passes through second
Rabbling mechanism is stirred, and carries out initial hydrolysis reaction, the reacted sludge alkali lye mixed liquor of initial hydrolysis is passed through into extruder
Structure is delivered in the second sludge hydrolytic reactor, and pressing mechanism squeezes to the reacted sludge alkali lye mixed liquor of initial hydrolysis
Pressure, while be stirred by the 3rd rabbling mechanism, carry out being fully hydrolyzed reaction, the sludge for being fully hydrolyzed reaction is delivered to carbon
In the storage pool of source, it is fully hydrolyzed liquid caused by the sludge of reaction and enters small molecule collecting pit, increase sludge COD's and VS
Degradation rate, shorten the cycle of sludge hydrolytic carbonization, shorten the processing time of sludge, saved existing energy substance such as (first
Alcohol), processing cost is low, environment-friendly, technique is simple and convenient to operate, reacts abundant, non-secondary pollution, and sludge can be carried out
Decrement and sludge stabilization treatment.
The structure of the first rabbling mechanism is discussed in detail.
First rabbling mechanism includes：First engine 8-1 and the first agitator 8-2.
The first engine 8-1 is fixedly installed on the sludge alkali lye mixing pit 3.Specifically, in present embodiment
In, the first engine 8-1, which is bolted, to be arranged on the sludge alkali lye mixing pit 3, in other embodiments,
The first engine 8-1 can be otherwise as described in being fixedly installed on pivot pin on sludge alkali lye mixing pit 3.
First agitator 8-2 is arranged in the sludge alkali lye mixing pit 3, the first agitator 8-2 and described first
Engine 8-1 is fixedly connected.Specifically, in the present embodiment, the first agitator 8-2 is started by axle and described first
Machine 8-1 is fixedly connected.The first engine 8-1 drives the first agitator 8-2 to rotate, and is stirred.
Wherein, the first agitator 8-2 is shaped as egg-whisk shape, can make that stirring is more abundant, and mixing effect is more preferable.
The structure of the 3rd rabbling mechanism is discussed in detail.
3rd rabbling mechanism includes：Second engine 10-1 and the second agitator 10-2.
The second engine 10-1 is fixedly installed on the second sludge hydrolytic reactor 5.Specifically, in this implementation
In mode, the second engine 10-1, which is bolted, to be arranged on the second sludge hydrolytic reactor 5, in other realities
Apply in mode, the second engine 10-1 can the second sludge hydrolytic be anti-as described in being fixedly installed on pivot pin otherwise
Answer on device 5.
The second agitator 10-2 is arranged in the second sludge hydrolytic reactor 5, the second agitator 10-2
It is fixedly connected with the second engine 10-1.Specifically, in the present embodiment, the second agitator 10-2 by axle with
The second engine 10-1 is fixedly connected.The second engine 10-1 drives the second agitator 10-2 to rotate, and carries out
Stirring.
Wherein, the second agitator 10-2 to be shaped as screw fan lobate, the second agitator 10-2 can will be just
The reacted sludge alkali lye mixed liquor of one-step hydrolysis is stirred, and carries out being fully hydrolyzed reaction.
The structure of pressing mechanism is discussed in detail.
The pressing mechanism includes：Cellular Networks.
The Cellular Networks are arranged between the first sludge hydrolytic reactor 4 and the second sludge hydrolytic reactor 5,
The reacted sludge alkali lye mixed liquor of initial hydrolysis can be extruded.
The structure of carbon source storage pool 6 is discussed in detail.
The first end of carbon source storage pool 6 is provided with overflow launder 6-1, the overflow launder 6-1 and the small molecule collecting pit 7
Connection, the carbon source storage pool 6 are used to collect liquid caused by sludge hydrolytic reaction.
The end of carbon source storage pool 6 second offers mud discharging mouth 6-2, and the pool bottom sludge of the carbon source storage pool 6 passes through institute
State mud discharging mouth 6-2 discharges.
Mud-scraping mechanism 11 is provided with the carbon source storage pool 6.
The mud-scraping mechanism includes：Trimotor 11-1 and cleaning shoe 11-2.
The trimotor 11-1 is fixedly installed on the carbon source storage pool 6.Specifically, in the present embodiment,
The trimotor 11-1, which is bolted, to be arranged on the carbon source storage pool 6, in other embodiments, described
Trimotor 11-1 can be otherwise as described in being fixedly installed on pivot pin on carbon source storage pool 6.
The cleaning shoe 11-2 is arranged in the carbon source storage pool 6, the cleaning shoe 11-2 and the carbon source storage pool 6
Pool wall contact, the cleaning shoe 11-2 is fixedly connected with the trimotor 11-1.Specifically, in the present embodiment,
The cleaning shoe 11-2 is fixedly connected by axle with the trimotor 11-1.
The trimotor 11-1 drives the cleaning shoe 11-2 to rotate, by the pool wall of the carbon source storage pool 6
Sludge is hung, and avoids sludge from accumulating, wall built-up and caking.
The three-engined power is 0.75kw, and the cleaning shoe 11-2 circumferential speeds are 0.5-1m/min.
The bionical muddy water solution small molecule carbonizing plant of the present invention also includes：First enters dredge pump 12, measuring pump 13 and second enters mud
Pump 14.
Described first, which enters dredge pump 12, is arranged between the sludge-tank 1 and the sludge alkali lye mixing pit 3, for by described in
Sludge in the sludge-tank 1 is delivered to the sludge alkali lye mixing pit 3.
The measuring pump 13 is arranged between the alkali lye pond 2 and the sludge alkali lye mixing pit 3, for by the alkali lye
Alkali lye in pond 2 is delivered to the sludge alkali lye mixing pit 3, meanwhile, the measuring pump 13 can also control the usage amount of alkali lye
And enter medicine speed.
Described second enter dredge pump 14 be arranged on the sludge alkali lye mixing pit 3 and the first sludge hydrolytic reactor 4 it
Between, for the sludge alkali lye mixed liquor after the stirring in the sludge alkali lye mixing pit 3 to be delivered into first sludge hydrolytic
Reactor 4.
The bionical muddy water solution small molecule carbonizing plant of the present invention also includes：First valve 15 and the second valve 16.
First valve 15 be arranged on the first sludge hydrolytic reactor 4 and the second sludge hydrolytic reactor 5 it
Between, it is 12 ± 5h for controlling the initial hydrolysis reaction time.
Second valve 16 is arranged between the second sludge hydrolytic reactor 5 and the carbon source storage pool 6, is used for
It is 12 ± 5h to control and be fully hydrolyzed the reaction time.
Based on identical inventive concept, the present invention, which also provides a kind of bionical muddy water solution small molecule carbonization method, includes following step
Suddenly：
Step 1, the sludge in sludge-tank 1 and the alkali lye in alkali lye pond 2 are delivered in sludge alkali lye mixing pit 3, passed through
First rabbling mechanism 8 is stirred, and decomposes the cellular endogenous material separated out in sludge.
Step 2, the sludge alkali lye mixed liquor after stirring is delivered in the first sludge hydrolytic reactor 4, stirred by second
Mix mechanism 9 to be stirred, carry out initial hydrolysis reaction.
Step 3, the reacted sludge alkali lye mixed liquor of initial hydrolysis is delivered to the second sludge hydrolytic by pressing mechanism
In reactor 5, it is stirred by the 3rd rabbling mechanism 10, carries out being fully hydrolyzed reaction
Step 4, the sludge for being fully hydrolyzed reaction is delivered in carbon source storage pool 6, the sludge for being fully hydrolyzed reaction produces
Liquid enter small molecule collecting pit 7.
The solid content of the sludge is 0.5-2%.
The concentration of the alkali lye is 20mg/L-40mg/L, can shorten the cycle of sludge hydrolytic carbonization, alkali process sludge,
By the coercion of alkali, fully reacted with excess sludge, the cellular endogenous material of precipitation is decomposed, in the same of sludge reduction
When, reach the purpose of draining water quality reaching standard.
The mixing speed of first rabbling mechanism 8 turns for 3-5min/, mixing time 1-3h, can make in sludge-tank 1
Sludge and alkali lye pond 2 in alkali lye be sufficiently stirred.
The mixing speed 10-15min/ of second rabbling mechanism 9 turns, and mixing cycle is 2-2.5h/ times, every time stirring
Time is less than 1h, and the initial hydrolysis reaction time is 12 ± 5h, makes the initial hydrolysis reaction abundant.
The mixing speed 20-40min/ of 3rd rabbling mechanism 10 turns, and mixing cycle is 3-3.5h/ times, when stirring every time
Between be less than 1h, described to be fully hydrolyzed the reaction time be 12 ± 5h, makes to be fully hydrolyzed reaction abundant.
In order to become apparent from the embodiment of the present invention, introduced below from the application method of the embodiment of the present invention.
The sludge in sludge-tank 1 is entered into dredge pump 12 by first to be delivered in sludge alkali lye mixing pit 3, in alkali lye pond 2
Alkali lye is delivered in sludge alkali lye mixing pit 3 by measuring pump 13, and measuring pump 13 can also control the usage amount of alkali lye and enter
Medicine speed, the concentration of alkali lye is 20mg/L-40mg/L, can shorten the cycle of sludge hydrolytic carbonization, alkali process sludge, pass through alkali
Coercion, fully reacted with excess sludge, decompose the cellular endogenous material of precipitation, while sludge reduction, reach
The purpose of draining water quality reaching standard.After sludge and alkali lye enter in sludge alkali lye mixing pit 3, start the first engine 8-1, drive the
One agitator 8-2 is rotated, and the first agitator 8-2 mixing speeds turn for 3-5min/, mixing time 1-3h, can make sludge-tank
The alkali lye in sludge and alkali lye pond 2 in 1 is sufficiently stirred, and decomposes the cellular endogenous material separated out in sludge, dirty with alkali process
Mud, by the coercion of alkali, fully reacted with excess sludge, the cellular endogenous material of precipitation is decomposed, in excess sludge reduction
While change, reach the target of draining water quality reaching standard, Alkaline pretreatment can effectively dissolve the nitrocellulose in sludge, make its transformation
For soluble Organic Compounds, shorten the cycle of hydrolysis carbonization, the pH value of conditioning of mud, be at being suitable for hydrolysis instead
The pH value control range answered.First agitator 8-2's is shaped as egg-whisk shape, stirring can be made more abundant, mixing effect is more
It is good.
Sludge alkali lye mixed liquor after stirring is delivered in the first sludge hydrolytic reactor 4, starts the second rabbling mechanism 9
Engine 9-1, engine 9-1 drive agitator 9-2 be stirred, carry out initial hydrolysis reaction.Agitator 9-2 mixing speeds
10-15min/ turns, and mixing cycle is 2-2.5h/ times, and each mixing time is less than 1h, and the initial hydrolysis reaction time is 12 ± 5h,
Make initial hydrolysis reaction abundant.
The reacted sludge alkali lye mixed liquor of initial hydrolysis is delivered to the second sludge hydrolytic reactor 5 by Cellular Networks
Interior, Cellular Networks are extruded the reacted sludge alkali lye mixed liquor of initial hydrolysis.Meanwhile start the and engine 10-1, the
Engine with two 10-1 drives the second agitator 10-2 to be stirred, and carries out being fully hydrolyzed reaction, the second agitator 10-2 shape
Lobate for screw fan, the reacted sludge alkali lye mixed liquor of initial hydrolysis can be stirred by the second agitator 10-2, stirring
Speed 20-40min/ turns, and mixing cycle is 3-3.5h/ times, and each mixing time is less than 1h, is fully hydrolyzed the reaction time as 12
± 5h, make to be fully hydrolyzed reaction fully, carry out being fully hydrolyzed reaction, be fully hydrolyzed liquid caused by the sludge of reaction and enter
Small molecule collecting pit, increase sludge COD and VS degradation rate, shortens the cycle of sludge hydrolytic carbonization, shortens the processing of sludge
Time, existing energy substance is saved such as (methanol), processing cost is low, environment-friendly, technique is simple and convenient to operate, reacted
Fully, non-secondary pollution, can be reduced and sludge stabilization treatment to sludge.
The sludge for being fully hydrolyzed reaction is delivered in carbon source storage pool 6, is fully hydrolyzed liquid caused by the sludge of reaction
Material enters small molecule collecting pit 7 by the overflow launder 6-1 set on carbon source storage pool 6.The bottom of pond reaction of carbon source storage pool 6
After the completion of sludge discharged by the mud discharging mouth 6-2.Start trimotor 11-1, trimotor 11-1 drives cleaning shoe
11-2 is rotated, and the sludge on the pool wall of carbon source storage pool 6 is hung, avoids sludge from accumulating, wall built-up and caking.
It should be noted last that above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, it all should cover
Among scope of the presently claimed invention.
Claims (10)
- A kind of 1. bionical muddy water solution small molecule carbonizing plant, it is characterised in that including：Sludge-tank (1)；Alkali lye pond (2)；Sludge alkali lye mixing pit (3), first end connect with the sludge-tank (1) and alkali lye pond (2)；First sludge hydrolytic reactor (4), first end connect with the second end of the sludge alkali lye mixing pit (3)；Second sludge hydrolytic reactor (5), first end connect with the second end of the first sludge hydrolytic reactor (4)；Carbon source storage pool (6), connected with the second end of the second sludge hydrolytic reactor (5)；Small molecule collecting pit (7), connected with the carbon source storage pool (6)；Wherein, the first rabbling mechanism (8), the first sludge hydrolytic reactor are provided with the sludge alkali lye mixing pit (3) (4) the second rabbling mechanism (9), the structure of first rabbling mechanism (8) and the knot of second rabbling mechanism (9) are provided with Structure is consistent, and (5) are provided with the 3rd rabbling mechanism (10), first sludge hydrolytic in the second sludge hydrolytic reactor Pressing mechanism is provided between reactor (4) and the second sludge hydrolytic reactor (5).
- 2. bionical muddy water solution small molecule carbonizing plant according to claim 1, it is characterised in that first rabbling mechanism Including：First engine (8-1), it is arranged on the sludge alkali lye mixing pit (3)；First agitator (8-2), it is arranged in the sludge alkali lye mixing pit (3), first agitator (8-2) and described the One engine (8-1) connects；Wherein, first agitator (8-2) is shaped as egg-whisk shape.
- 3. bionical muddy water solution small molecule carbonizing plant according to claim 1, it is characterised in that the 3rd rabbling mechanism Including：Second engine (10-1), it is arranged on the second sludge hydrolytic reactor (5)；Second agitator (10-2), be arranged in the second sludge hydrolytic reactor (5), second agitator (10-2) with Second engine (10-1) connection；Wherein, second agitator (10-2) to be shaped as screw fan lobate.
- 4. bionical muddy water solution small molecule carbonizing plant according to claim 1, it is characterised in that the pressing mechanism bag Include：Cellular Networks, it is arranged between the first sludge hydrolytic reactor (4) and the second sludge hydrolytic reactor (5).
- 5. bionical muddy water solution small molecule carbonizing plant according to claim 1, it is characterised in that：Carbon source storage pool (6) first end is provided with overflow launder (6-1), and the overflow launder (6-1) is collected with the small molecule Pond (7) connects；The end of carbon source storage pool (6) second offers mud discharging mouth (6-2).
- 6. bionical muddy water solution small molecule carbonizing plant according to claim 1, it is characterised in that：Mud-scraping mechanism (11) is provided with the carbon source storage pool (6)；The mud-scraping mechanism includes：Trimotor (11-1) and cleaning shoe (11-2)；The trimotor (11-1) is arranged on the carbon source storage pool (6)；The cleaning shoe (11-2) is arranged in the carbon source storage pool (6), and the cleaning shoe (11-2) stores with the carbon source The pool wall contact in pond (6), the cleaning shoe (11-2) are connected with the trimotor (11-1).
- 7. bionical muddy water solution small molecule carbonizing plant according to claim 1, it is characterised in that the bionical muddy water solution is small Molecule carbonizing plant also includes：First enters dredge pump (12), is arranged between the sludge-tank (1) and the sludge alkali lye mixing pit (3)；Measuring pump (13), it is arranged between the alkali lye pond (2) and the sludge alkali lye mixing pit (3)；Second enters dredge pump (14), be arranged on the sludge alkali lye mixing pit (3) and the first sludge hydrolytic reactor (4) it Between.
- 8. bionical muddy water solution small molecule carbonizing plant according to claim 1, it is characterised in that bionical small point of the muddy water solution Sub- carbonizing plant also includes：First valve (15), be arranged on the first sludge hydrolytic reactor (4) and the second sludge hydrolytic reactor (5) it Between；Second valve (16), it is arranged between the second sludge hydrolytic reactor (5) and the carbon source storage pool (6).
- A kind of 9. bionical muddy water solution small molecule carbonization method, based on a kind of bionical muddy water solution small molecule carbon described in claim 1 Makeup is put, it is characterised in that the bionical muddy water solution small molecule carbonization method comprises the following steps：Sludge in sludge-tank (1) and the alkali lye in alkali lye pond (2) are delivered in sludge alkali lye mixing pit (3), pass through first Rabbling mechanism (8) is stirred, and decomposes the cellular endogenous material separated out in sludge；Sludge alkali lye mixed liquor after stirring is delivered in the first sludge hydrolytic reactor (4), passed through the second rabbling mechanism (9) It is stirred, carries out initial hydrolysis reaction；The reacted sludge alkali lye mixed liquor of initial hydrolysis is delivered to the second sludge hydrolytic reactor (5) by pressing mechanism It is interior, it is stirred by the 3rd rabbling mechanism (10), carries out being fully hydrolyzed reaction；The sludge for being fully hydrolyzed reaction is delivered in carbon source storage pool (6), is fully hydrolyzed liquid object caused by the sludge of reaction Matter enters small molecule collecting pit (7).
- 10. bionical muddy water solution small molecule carbonization method according to claim 1, it is characterised in that：The solid content of the sludge is 0.5-2%；The concentration of the alkali lye is 20mg/L-40mg/L；The mixing speed of first rabbling mechanism (8) turns for 3-5min/, mixing time 1-3h；The mixing speed 10-15min/ of second rabbling mechanism (9) turns, and mixing cycle is 2-2.5h/ times, each mixing time Less than 1h；3rd rabbling mechanism (10) the mixing speed 20-40min/ turns, and mixing cycle is 3-3.5h/ times, each mixing time Less than 1h；The initial hydrolysis reaction time is 12 ± 5h；It is described that to be fully hydrolyzed the reaction time be 12 ± 5h.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110066087A (en) * | 2019-04-23 | 2019-07-30 | 武汉科技大学 | A kind of automatic discharging and clean sludge press filtration device |
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