CN106854033A - Reaction system and method for processing sludge and kitchen garbage - Google Patents
Reaction system and method for processing sludge and kitchen garbage Download PDFInfo
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- CN106854033A CN106854033A CN201710141772.0A CN201710141772A CN106854033A CN 106854033 A CN106854033 A CN 106854033A CN 201710141772 A CN201710141772 A CN 201710141772A CN 106854033 A CN106854033 A CN 106854033A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 130
- 239000010802 sludge Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000029087 digestion Effects 0.000 claims abstract description 94
- 239000007787 solid Substances 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 63
- 238000007599 discharging Methods 0.000 claims description 32
- 239000007789 gas Substances 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000003301 hydrolyzing effect Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000012295 chemical reaction liquid Substances 0.000 claims 1
- 239000005416 organic matter Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 241000256113 Culicidae Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
Classifications
-
- 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
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- 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
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides a kind of reaction system and method for processing sludge and kitchen garbage, including pyrohydrolysis reaction unit and anaerobic digestion reaction unit.The cell rupture promoted in sludge is reacted by pyrohydrolysis, is beneficial to the abundant decomposition of wherein organic matter；The charging push rod that the anaerobic digestion reaction unit includes the spiral feed pipe of anaerobic digestion reactor, the feed hopper of undertaking kitchen garbage and sludge, connection feed hopper and anaerobic digestion reactor and is equipped with spiral feed pipe.Feed hopper is transported to by the sludge and kitchen garbage that match different quality jointly, enter in anaerobic digestion reactor via spiral feed pipe again, and it is 5~25% to control the mixture solid content Q in anaerobic digestion reactor, effectively improve organic removal rate and gas production, the influence that outside air is reacted anaerobic digestion is also avoided that, realizes that preferably sludge cooperates with treatment effect with kitchen garbage.
Description
Technical field
The invention belongs to technical field of sludge treatment, in particular it relates to a kind of anti-with kitchen garbage for processing sludge
Answer system and method.
Background technology
The treatment of municipal sludge is the important topic of city environmental protection, and organic matter in sludge is carried out using anaerobic bacteria flora
Decomposition is wherein more important technological means, and the process can also be realized producing natural pond purpose.But common municipal sludge content of organics
Relatively low, gas production is few, and operation cost is big；And kitchen garbage is then rich in organic matter, easily growth mosquitos and flies and germ, band are dealt with improperly
Carry out larger environmental sanitation hidden danger.
Except this, the sludge of anaerobic digestion reaction is carried out at present mostly without pretreatment, the organic matter in sludge is mainly deposited
It is that anaerobic digestion hydrolysis process is interrupted in various types of cells, and then causes anaerobic digestion reaction organic removal rate low, aerogenesis
Amount is few；On the other hand, use an excessive storage bin hopper more anaerobic sludge digestion reaction unit at this stage, sludge is added into storage bin hopper
Afterwards, closed the lid above excessive storage bin hopper, then open valve below, the sludge allowed in excessive storage bin hopper falls into lower section
Reactor, fill process is difficult to avoid that air enters, and influences reaction process.
In consideration of it, being necessary to provide a kind of new reaction system and method for processing sludge and kitchen garbage.
The content of the invention
Present invention aim at a kind of reaction system and method for processing sludge and kitchen garbage of offer, it is possible to increase
Organic removal rate and the gas production of anaerobic digestion reaction in sludge, moreover it is possible to the shadow for avoiding outside air from reacting anaerobic digestion
Ring, realize that preferably sludge cooperates with treatment effect with kitchen garbage.
For achieving the above object, the present invention provides a kind of reaction system for processing sludge and kitchen garbage, bag
Include pyrohydrolysis reaction unit and anaerobic digestion reaction unit；
The pyrohydrolysis reaction unit includes hot water solution reaction kettle, be used to heat hot water solution reaction kettle heating component,
Monitor and adjust the air pressure component of gas pressure in hot water solution reaction kettle and detect and adjust sludge in hot water solution reaction kettle
The pH components of pH value, the hot water solution reaction kettle is additionally provided with first charging aperture, the first discharging opening and is connected to the first discharging opening
Discharging pipeline, the discharging pipeline is provided with vacuum diaphragm pump and pressure gauge；
The anaerobic digestion reaction unit includes anaerobic digestion reactor and the charging group being arranged at the top of anaerobic digestion reactor
Part, the anaerobic digestion reactor is additionally provided with exhaust outlet, second charging aperture and the second discharging opening, and the feeding assembly includes being located at
Feed hopper above second charging aperture, the spiral feed pipe of connection feed hopper and second charging aperture and match somebody with somebody with spiral feed pipe
Close the charging push rod for setting, the feed hopper is used to accept kitchen garbage and transports sludge from first discharging opening.
As a further improvement on the present invention, the pH components include being used to hold the first container of acid solution and being used to contain
The second container of aqueous slkali is put, first container and second container are communicated to the hot water solution reaction kettle, and described first holds
Liquid pump is set between device and second container and hot water solution reaction kettle, the pH components also include being connected in first discharging opening
The pH measuring appliances at place, precooling pipeline is provided between the pH measuring appliances and the first discharging opening.
As a further improvement on the present invention, the air pressure component includes source nitrogen, and the source nitrogen passes through air inlet pipeline
The upper end of hot water solution reaction kettle is connected to, the air inlet pipeline is provided with intake valve；The air pressure component also includes being arranged at heat
The pressure relief pipe of hydrolytic reaction pot upper end, the pressure relief pipe is provided with relief valve.
As a further improvement on the present invention, the pyrohydrolysis reaction unit also includes being arranged in hot water solution reaction kettle
Paddle and the first stirring motor for being connected to the paddle and driving the paddle to rotate, first stirring motor are consolidated
Located at the surface of the hot water solution reaction kettle and first stirring motor is connected with cooling water channel.
As a further improvement on the present invention, the outer surface of the hot water solution reaction kettle at least partly cladding is provided with insulation
Layer.
As a further improvement on the present invention, the anaerobic digestion reaction unit also includes being arranged at anaerobic digestion reactor
Second stirring motor of side.
As a further improvement on the present invention, the anaerobic digestion reactor is additionally provided with away from the side of the second stirring motor
Transparent window.
As a further improvement on the present invention, the anaerobic digestion reaction unit also includes being connected to the row of the exhaust outlet
Air pipe, gas flowmeter is additionally provided with the gas exhaust piping.
The present invention also provides a kind of method for processing sludge and kitchen garbage, mainly includes：
Obtain the solid content Q1 and the solid content Q2 of kitchen garbage of the sludge reacted by pyrohydrolysis of the first discharging opening discharge；
Sludge that quality is reacted for M1 by pyrohydrolysis and quality are transported to feed hopper for M2 kitchen garbages, the sludge and
Kitchen garbage enters in anaerobic digestion reactor via spiral feed pipe, and causes that the mixture in anaerobic digestion reactor contains
Admittedly amount Q is 5~25%, wherein, M1+M2≤M, M are the set maximum throughput of the anaerobic digestion reactor；
Second charging aperture is closed, anaerobic digestion reaction is carried out, when accumulative reaction time t reaches set cycle T, second is opened and is discharged
Mouthful, the mixture in discharge anaerobic digestion reactor.
As a further improvement on the present invention, the anaerobic digestion reaction unit is also anti-including being arranged at the anaerobic digestion
The water filling port on kettle is answered, methods described also includes the mixture solid content Q in the regulation anaerobic digestion reactor, specifically,
As M1+M2 ＜ M, water filling port is opened with by quality as the water addition anaerobic digestion reactor of M3, wherein, M1+M2+M3
≤ M, and cause that the mixture solid content Q ＇ in the anaerobic digestion reactor after adding water are 5~25%.
Beneficial effects of the present invention：It is used to process the reaction system and method for sludge and kitchen garbage, energy using the present invention
Sludge and kitchen garbage is enough better achieved cooperates with treatment, is effectively improved environmental quality.Wherein, the pyrohydrolysis reaction unit
Clasmatosis in sludge, organic matter dissolution is promoted to be conducive to organic matter follow-up and fully decomposed via anaerobic digestion reaction, effectively carry
Organic removal rate high and gas production.
The anaerobic digestion reaction unit is by spiral feed pipe and the charging push rod being engaged by the dirt in feed hopper
Mud and kitchen garbage are delivered in anaerobic digestion reactor, improve feed rate, and effectively reduction outside air disappears into anaerobism
Change reactor, eliminate influence of the extraneous oxygen to anaerobic digestion reaction process, it is ensured that the continual and steady of anaerobic digestion reaction is carried out.
Brief description of the drawings
Fig. 1 is the structural representation of the pyrohydrolysis reaction unit of reaction system of the present invention；
Fig. 2 is the structural representation of the anaerobic digestion reaction unit of reaction system of the present invention.
Specific embodiment
Below with reference to implementation method shown in the drawings, the present invention will be described in detail.But the implementation method is not intended to limit
The present invention, structure, method or the conversion functionally that one of ordinary skill in the art is made according to the implementation method is wrapped
Containing within the scope of the present invention.
The invention provides a kind of reaction system for processing sludge and kitchen garbage, including pyrohydrolysis reaction unit
100 and anaerobic digestion reaction unit 200.
It is as shown in Figure 1 the structural representation of pyrohydrolysis reaction unit 100.The pyrohydrolysis reaction unit 100 includes heat
Hydrolytic reaction pot 110, it is used to the heating component heated to hot water solution reaction kettle 110（It is not shown）, monitor and adjust hot water
The air pressure component of gas pressure and detect and adjust the pH of the pH value of sludge in hot water solution reaction kettle 110 in solution reaction kettle 110
Component.The hot water solution reaction kettle 10 offers first charging aperture 111 and the first discharging positioned at the bottom of hot water solution reaction kettle 110
Mouth 112.
The air pressure component includes source nitrogen 121, and the source nitrogen 121 is connected to reactor 110 by air inlet pipeline 122
Upper end, the air inlet pipeline 122 is provided with intake valve 123；The air pressure component also includes being arranged at hot water solution reaction kettle 110
The pressure relief pipe 124 of upper end, the pressure relief pipe 124 is provided with relief valve 125.After the completion of hot water solution reaction kettle 110 feeds, beat
Air valve 123 is driven into, by air inlet pipeline 122 by N2It is supplemented in hot water solution reaction kettle 110 until pressure P therein reaches technique
Demand；Hot water solution reaction kettle 110 heat and course of reaction in, when wherein pressure P exceeds, control open relief valve 125, in time
Reduce the pressure in hot water solution reaction kettle 110.The air pressure component also includes being arranged at the safety of the upper end of hot water solution reaction kettle 110
Valve 126, when hypertonia in hot water solution reaction kettle 110, safety valve 126 automatically turns on pressure release, it is to avoid contingency.
The pH components include being used to hold the first container 131 of acid solution and being used to hold the second container of aqueous slkali
132.First container 131 and second container 132 are communicated to the hot water solution reaction kettle 110, and first container 131 and
Liquid pump 133 is provided between second container 132 and hot water solution reaction kettle 110.Specifically, first container 131 and second container
132 can control feed liquor by same inlet 113, also can be by separate pipeline connection hot water solution reaction kettle 110.Institute
State and the first stop valve 134 is provided between the first container 131 and hot water solution reaction kettle 110；Second container 132 and hot water solution reaction kettle
The second stop valve 135 is provided between 110.The pH components also include that the pH being connected at first discharging opening 112 is surveyed
Measuring device 136, precooling pipeline 137 is provided between the discharging opening 112 of the pH measuring appliances 136 and first.
Hot water solution reaction kettle 110 heat or pyrohydrolysis course of reaction in need to detect the sludge in hot water solution reaction kettle 110
During pH value, the first discharging opening 112 is opened, sludge enters precooling pipeline 137, and passes through the pH measuring appliances 136 pairs after the cooling period
It is detected, can realize the whole pH measurements of the sludge in hot water solution reaction kettle 110.
The pyrohydrolysis reaction unit 100 also includes the paddle 141 being arranged in hot water solution reaction kettle 110 and is connected to
The paddle 141 simultaneously drives the first stirring motor 142 that the paddle 141 rotates, and first stirring motor 142 is fixed
In the surface of the hot water solution reaction kettle 110 and first stirring motor 142 is connected with cooling water channel 143.It is described
The plan vertical of the output end self-heating hydrolytic reaction pot 110 of the first stirring motor 142 is extended into inside hot water solution reaction kettle 110；
The paddle 141 is set to the turbine type paddle of horizontal distribution；The cooling water channel 143 can reduce the first stirring motor
Temperature during 142 operating, it is to avoid the high temperature of the first stirring motor 142 is damaged.
The outer surface of the hot water solution reaction kettle 110 at least partly cladding is provided with heat-insulation layer 15.Specifically, the insulation
Layer 15 coats the latter half of hot water solution reaction kettles 110, reduces the thermal loss in course of reaction, and can prevent unexpected touching and
The injury caused to Field Force.
The pyrohydrolysis reaction unit 100 also includes being connected to the discharging pipeline 16 of the first discharging opening 112, the discharge nozzle
Road 16 is provided with vacuum diaphragm pump 161 and pressure gauge 162.The vacuum diaphragm pump 161 is also connected with being provided with detergent line 163,
After the discharging of hot water solution reaction kettle 110 is finished, vacuum diaphragm pump 161 is rinsed by detergent line 163.
Referring to Fig. 2, the anaerobic digestion reaction unit 200 includes anaerobic digestion reactor 210 and is arranged at anaerobic digestion
The feeding assembly at the top of reactor 210.The anaerobic digestion reactor 210 is provided with second charging aperture 211, the second discharging opening 212
And exhaust outlet 213；The feeding assembly include feed hopper 221 positioned at the top of second charging aperture 211, connection feed hopper 221 with
Charging push rod 223 that the spiral feed pipe 222 and spiral feed pipe 222 of second charging aperture 211 are equipped with and order about into
Expect the motor 224 of push rod 223.The feed hopper 221 is used to accept kitchen garbage and transports from first discharging opening 112
And the sludge of discharging pipeline 16 end.The spiral feed pipe 222 and charging push rod 223 ensure that sludge and kitchen garbage
Smooth charging, and avoid outside air from being mixed into anaerobic digestion reactor 210.Second discharging opening 212 is also equipped with discharging
Push rod 214.
The anaerobic digestion reaction unit 200 also includes being arranged at the second stirring electricity of the side of anaerobic digestion reactor 210
Machine 23 and it is used to support the base 24 of the anaerobic digestion reactor 210, the output end and transverse direction of second stirring motor 23
The mixing component that spy is put in anaerobic digestion reactor 210（It is not shown）It is connected.The anaerobic digestion reactor 210 is away from
The side of two stirring motors 23 is additionally provided with transparent window 215, and anaerobic digestion reactor 210 can be observed by transparent window 215
Color, scum silica frost, sludge mobility of middle reactant etc., and the quality of anaerobic digestion process can be at any time judged according to field experience.
The anaerobic digestion reaction unit 200 also includes being connected to the gas exhaust piping 25 of the exhaust outlet 213, the exhaust
Gas flowmeter 26 is additionally provided with pipeline 25.The gas flowmeter 26 is to real-time detection anaerobic digestion reactor 210
Gas output speed, and the methane gas producing amount of whole course of reaction can be added up.Contain first from the gas of the discharge of gas exhaust piping 25
The gases such as alkane 60 ~ 70%, carbon dioxide 20 ~ 30% and a small amount of hydrogen sulfide.
The anaerobic digestion reactor 210 is further opened with being used to the water filling port added water inside anaerobic digestion reactor 210
216.If by feed hopper 221 enter anaerobic digestion reactor 210 sludge and kitchen garbage solid content it is higher, can be by
Added water by water filling port 216 and adjust the solid content of reactant, be beneficial to the carrying out of anaerobic digestion reaction.
The present invention also provides a kind of method for processing sludge and kitchen garbage, mainly includes：
Obtain the solid content Q1 and pending kitchen garbage of the sludge reacted by pyrohydrolysis of the discharge of the first discharging opening 112
Solid content Q2；
The sludge and quality that quality is reacted for M1 by pyrohydrolysis are for M2 kitchen garbages are transported to feed hopper 221, the dirt
Mud and kitchen garbage enter in anaerobic digestion reactor 210 via spiral feed pipe 222, and cause anaerobic digestion reactor
Mixture solid content Q in 210 is 5~25%, wherein, M1+M2≤M, M are the set maximum of the anaerobic digestion reactor 210
Treating capacity；
Second charging aperture 211 is closed, anaerobic digestion reaction is carried out, when accumulative reaction time t reaches set cycle T, second is opened
Discharging opening 212, the mixture in discharge anaerobic digestion reactor 210.In the present embodiment, the cycle of anaerobic digestion reaction is 24
Hour.
Further, methods described also includes the mixture solid content Q in the regulation anaerobic digestion reactor, that is, enter
When the sludge of anaerobic digestion reactor 210 and the solid content of kitchen garbage higher, water filling port 216 is opened to be M3's by quality
Water is added in the anaerobic digestion reactor 210, wherein, M1+M2+M3≤M, and cause the anaerobic digestion reactor after adding water
Mixture solid content Q ＇ in 210 are 5~25%.
In sum, it is used to process the reaction system and method for sludge and kitchen garbage using the present invention, can be preferably
That realizes sludge and kitchen garbage cooperates with treatment, is effectively improved environmental quality.Wherein, the pyrohydrolysis reaction unit 100 promotes
Clasmatosis in sludge, organic matter dissolution is conducive to organic matter follow-up and is fully decomposed via anaerobic digestion reaction, has effectively improved
Machine thing clearance and gas production, here is omitted for its specific reaction controlling technique.
The anaerobic digestion reaction unit 200 will be fed by spiral feed pipe 222 and the charging push rod 223 being engaged
Sludge and kitchen garbage in bucket are delivered in anaerobic digestion reactor 210, improve feed rate, and effectively reduce outside air
Into anaerobic digestion reactor 210, influence of the extraneous oxygen to anaerobic digestion reaction process is eliminated, it is ensured that anaerobic digestion reaction
Continually and steadily carry out.Also it is further enhanced from the reactant dewatering of second discharging opening 212 discharge, is easy to sheet frame
Compression water removal and follow-up landfill, desiccation, burning disposal.
Except this, the anaerobic digestion reaction unit 200 is also convenient for observing the face of reactant in anaerobic digestion reactor 210
Color, scum silica frost, sludge mobility etc., to judge reaction process, are conducive to field control；And being capable of real-time detection gas production rate, meter
Obtain gas production.
It should be understood that, although the present specification is described in terms of embodiments, but not each implementation method only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Used as an entirety, technical scheme in each implementation method can also be through appropriately combined, and forming those skilled in the art can for bright book
With the other embodiment for understanding.
Those listed above is a series of to be described in detail only for feasibility implementation method of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included within the scope of the present invention.
Claims (10)
1. a kind of reaction system for processing sludge and kitchen garbage, it is characterised in that：The reaction system includes pyrohydrolysis
Reaction unit and anaerobic digestion reaction unit；
The pyrohydrolysis reaction unit includes hot water solution reaction kettle, be used to heat hot water solution reaction kettle heating component,
Monitor and adjust the air pressure component of gas pressure in hot water solution reaction kettle and detect and adjust sludge in hot water solution reaction kettle
The pH components of pH value, the hot water solution reaction kettle is additionally provided with first charging aperture, the first discharging opening and is connected to the first discharging opening
Discharging pipeline, the discharging pipeline is provided with vacuum diaphragm pump and pressure gauge；
The anaerobic digestion reaction unit includes anaerobic digestion reactor and the charging group being arranged at the top of anaerobic digestion reactor
Part, the anaerobic digestion reactor is additionally provided with exhaust outlet, second charging aperture and the second discharging opening, and the feeding assembly includes being located at
Feed hopper above second charging aperture, the spiral feed pipe of connection feed hopper and second charging aperture and match somebody with somebody with spiral feed pipe
Close the charging push rod for setting, the feed hopper is used to accept kitchen garbage and transports sludge from first discharging opening.
2. reaction system according to claim 1, it is characterised in that：The pH components include being used to hold the of acid solution
One container and it is used to hold the second container of aqueous slkali, first container and second container are communicated to the pyrohydrolysis reaction
Liquid pump is set between kettle, and first container and second container and hot water solution reaction kettle, the pH components also include connect setting
Precooling pipeline is provided between the pH measuring appliances of first discharge outlet, the pH measuring appliances and the first discharging opening.
3. reaction system according to claim 1, it is characterised in that：The air pressure component includes source nitrogen, the nitrogen
Source is connected to the upper end of hot water solution reaction kettle by air inlet pipeline, and the air inlet pipeline is provided with intake valve；The air pressure component
Also include being arranged at the pressure relief pipe of hot water solution reaction kettle upper end, the pressure relief pipe is provided with relief valve.
4. reaction system according to claim 1, it is characterised in that：The pyrohydrolysis reaction unit also includes being arranged at heat
Paddle in hydrolytic reaction pot and it is connected to the paddle and drives the first stirring motor of the paddle rotation, it is described
First stirring motor is fixedly arranged on the surface of the hot water solution reaction kettle and first stirring motor is connected with cooling water
Road.
5. reaction system according to claim 1, it is characterised in that：The outer surface of the hot water solution reaction kettle is at least part of
Cladding is provided with heat-insulation layer.
6. reaction system according to claim 1, it is characterised in that：The anaerobic digestion reaction unit also includes being arranged at
Second stirring motor of anaerobic digestion reactor side.
7. reaction system according to claim 6, it is characterised in that：The anaerobic digestion reactor is away from the second stirring electricity
The side of machine is additionally provided with transparent window.
8. reaction system according to claim 1, it is characterised in that：The anaerobic digestion reaction unit also includes being connected to
The gas exhaust piping of the exhaust outlet, gas flowmeter is additionally provided with the gas exhaust piping.
9. a kind of method for processing sludge and kitchen garbage, using the reaction system as described in claim any one of 1-8,
Characterized in that, methods described includes：
Obtain the solid content Q1 and the solid content Q2 of kitchen garbage of the sludge reacted by pyrohydrolysis of the first discharging opening discharge；
Sludge that quality is reacted for M1 by pyrohydrolysis and quality are transported to feed hopper for M2 kitchen garbages, the sludge and
Kitchen garbage enters in anaerobic digestion reactor via spiral feed pipe, and causes that the mixture in anaerobic digestion reactor contains
Admittedly amount Q is 5~25%, wherein, M1+M2≤M, M are the set maximum throughput of the anaerobic digestion reactor；
Second charging aperture is closed, anaerobic digestion reaction is carried out, when accumulative reaction time t reaches set cycle T, second is opened and is discharged
Mouthful, the mixture in discharge anaerobic digestion reactor.
10. the control method of sludge treatment equipment according to claim 9, the anaerobic digestion reaction unit also includes setting
The water filling port being placed on the anaerobic digestion reactor, it is characterised in that methods described also includes that the regulation anaerobic digestion is anti-
The mixture solid content Q in kettle is answered, specifically, as M1+M2 ＜ M, water filling port is opened so that quality is described as the water of M3 is added
In anaerobic digestion reactor, wherein, M1+M2+M3≤M, and cause the mixture in the anaerobic digestion reactor after adding water containing solid
Amount Q ＇ are 5~25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710141772.0A CN106854033A (en) | 2017-03-10 | 2017-03-10 | Reaction system and method for processing sludge and kitchen garbage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710141772.0A CN106854033A (en) | 2017-03-10 | 2017-03-10 | Reaction system and method for processing sludge and kitchen garbage |
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| CN106854033A true CN106854033A (en) | 2017-06-16 |
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ID=59125134
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| CN201710141772.0A Withdrawn CN106854033A (en) | 2017-03-10 | 2017-03-10 | Reaction system and method for processing sludge and kitchen garbage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109970315A (en) * | 2019-03-08 | 2019-07-05 | 同济大学 | A kind of High Efficiency Thermal hydrolysis apparatus and method of municipal sludge |
| CN110606520A (en) * | 2019-10-15 | 2019-12-24 | 深圳市驭智装备技术有限公司 | Energy-saving high-temperature hydrolysis reaction kettle and operation method thereof |
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