CN107311422A - A kind of sludge reduction reaction system and processing method - Google Patents
A kind of sludge reduction reaction system and processing method Download PDFInfo
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- CN107311422A CN107311422A CN201710686270.6A CN201710686270A CN107311422A CN 107311422 A CN107311422 A CN 107311422A CN 201710686270 A CN201710686270 A CN 201710686270A CN 107311422 A CN107311422 A CN 107311422A
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- ozone
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- logistics
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- 239000010802 sludge Substances 0.000 title claims abstract description 150
- 238000006722 reduction reaction Methods 0.000 title claims abstract description 36
- 238000003672 processing method Methods 0.000 title claims description 8
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 115
- 239000010865 sewage Substances 0.000 claims abstract description 68
- 230000008676 import Effects 0.000 claims abstract description 58
- 239000007921 spray Substances 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 239000000203 mixture Substances 0.000 claims description 18
- 238000007254 oxidation reaction Methods 0.000 claims description 17
- 230000003647 oxidation Effects 0.000 claims description 11
- 238000013528 artificial neural network Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002689 soil Substances 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
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of sludge reduction reaction system, including reactive tank, the submersible sewage pump being placed in reactive tank and release, the ozone machine being placed in outside reactive tank, reactive tank is provided with sludge import and sludge outlet, the ozone outlet of ozone machine is connected with submersible sewage pump gas access, release logistics import is connected with submersible sewage pump, and sludge and ozone are sucked and flows into release after mixing by submersible sewage pump by negative pressure;Release is communicated with the spray orifice, sprayed into the logistics in release after logistics corridor by spray orifice provided with logistics import, the arc logistics corridor and logistics spray orifice that are connected with logistics import, logistics corridor.Reaction system of the present invention is simple in construction, takes up an area small, reduced investment, and simple to operate, reaction efficiency is high, ozone can be all of, it is to avoid the use of ozone decomposed device.
Description
Technical field
The present invention relates to sludge treating system, and in particular to a kind of sludge reduction reaction system and processing method.
Background technology
Activated sludge process is main present in its own as the widest biological water technology of current domestic and international application
One of problem is to produce substantial amounts of excess sludge.The investment of excess sludge processing unit and operating cost are accounted at whole sewage
The 25%-65% of factory's investment and operating cost is managed, huge sludge treatment expense has turned into what dirty water living creature processing technique faced
Tough questions.At present, sewage treatment plant typically handles sludge using landfill and compost method, but both approaches can cause soil
Content of beary metal is exceeded in earth, seriously threatens human residential environment.Therefore, reasonable effective technological means how is taken to handle
Excess sludge is the top priority of China's urban development and environmental protection.
To solve this problem, 1990s generates new Treatment of Sludge and disposal concept --- sludge reduction
Technology.Sludge reduction refers on the premise of whole sewage disposal system treatment efficiency is ensured, using appropriate physics, chemistry
And biological method, the solid biologic amount outwards discharged is reached minimum, so as to realize the yield for reducing sludge from source.Currently
Research to sludge reduction technology turns into domestic and international focus of attention.
In existing various Sludge Reduction Technologies, sludge reduction by ozone effect is preferable, and unnecessary ozone
Oxygen can be rapidly decomposed into, secondary pollution is not produced.In addition, ozone process is easily combined with existing activated sludge process,
Energy consumption is also very low, therefore sludge reduction by ozone has broad prospects in commercial Application.
But it is due to that ozone exists in gaseous form, there is the mass transfers such as gas-solid, solid-liquid in the oxidizing process of sludge
Problem so that the utilization ratio of ozone is relatively low, so that it is above subject to certain restrictions in sludge treatment technique application.In addition,
Existing reaction system device structure is complicated, and investment is high, is unfavorable for large-scale promotion application.
Therefore, research and develop new and effective investment and operating cost it is low, structurally and operationally simple sludge reduction it is anti-
System is answered, it is significant for sludge of sewage treatment plant minimizing.
The content of the invention
It is an object of the present invention to provide a kind of ozone sludge minimizing reaction system of high efficiency, low cost.It has developed new
Structurally and operationally simple sludge reduction reaction system, sludge can more than decrement 50-90%, and realize ozone gas
Efficient lossless loses complete utilization.
To achieve these goals, the technical solution adopted by the present invention is as follows:A kind of sludge reduction reaction system includes
Reactive tank, the submersible sewage pump being placed in reactive tank and release, the ozone machine being placed in outside reactive tank, the reactive tank enter provided with sludge
Mouth and sludge outlet, the ozone outlet of the ozone machine are connected with the submersible sewage pump import, the release logistics import and institute
Submersible sewage pump outlet connection is stated, the sludge and the ozone are sucked and released described in inflow after mixing by the submersible sewage pump by negative pressure
Put device;
The release is described provided with logistics import, the arc logistics corridor and logistics spray orifice that are connected with logistics import
Logistics corridor is communicated with the spray orifice, is sprayed into the logistics in the release after the logistics corridor by the spray orifice
Go out.
Further, the logistics corridor includes outer flow passage and inner flow passage, the inner flow passage and described outer flow passage one end with
Logistics import is connected, and the other end collaborates and communicated with the spray orifice on release;Into the logistics in the release by described
Sprayed after outer flow passage or the inner flow passage by the spray orifice.
Further, the sludge import is placed in the bottom of the reactive tank.
Further, the sludge outlet is arranged on the top of the reactive tank.
Further, the release is provided with symmetrically arranged two spherical crown, and the spray orifice is arranged on the spherical crown, and two
Spray orifice is communicated with logistics corridor.
Further, mixture is 3-8m/s by the flow velocity of spray orifice on the release.
The present invention also disclosed a kind of processing method based on above-mentioned reaction system, comprise the following steps:
Ozone generator is installed on outside reactive tank by S01, and submersible sewage pump and release are installed on inside reactive tank.
Reaction tank bottom connects sludge import, top connection sludge outlet;
S02 ozone generators gas outlet is connected by tracheae with submersible sewage pump import, submersible sewage pump outlet and release import phase
Even;
Sludge is full of reactive tank by S03, then stops, into mud, then starting ozone generator and submersible sewage pump, submersible sewage pump enters
Mouth will suck ozone gas and sludge simultaneously using negative pressure, carry out being mixed to form the mixture of ozone gas and sludge in pump,
The mixture is sprayed by the spray orifice on the release that is connected with submersible sewage pump again, ozone gas and sludge is further crushed refinement
And carry out efficient oxidation reaction;
S04 starts into mud after ozone dosage reaches requirement, and the ratio i.e. ozone for entering mudflow amount and ozone air inlet is added
Amount keeps constant, and sludge starts continuously to be discharged by sludge outlet, and hereafter reaction system continuously enters mud operation.
In more detail, the spouting velocity of the release is 3-8m/s.
In more detail, the ozone dosage is 10-31mg ozone/dry mud of g.
In more detail, detection sludge outlet discharges the mixed genetic-neural network MLSS of sludgeOutletWith sludge import sludge
Mixed genetic-neural network MLSSImport, mud decrement value is calculated, calculation formula is:(MLSSImport-MLSSOutlet)/MLSSImport×
100%.
Beneficial effects of the present invention are:
1st, reaction system of the present invention is simple in construction, takes up an area small, reduced investment, and simple to operate, reaction efficiency is high, and ozone can be whole
Utilize, it is to avoid the use of ozone decomposed device.
2nd, sludge reduction effect significantly, can be good with existing sludge processes compatibility by mud decrement 50-90%, can be with
The sludge reduction of sewage treatment plant is applied on a large scale.
Brief description of the drawings
The structural representation of sludge reduction reaction system in Fig. 1 present invention;
The structural representation of release in Fig. 2 present invention;
1, ozone generator in figure, 2, submersible sewage pump, 3, release, 4, reactive tank, 5, sludge import, 6, sludge outlet, 7,
Logistics import, 8, outer flow passage, 9, inner flow passage, 10, spray orifice.
Embodiment
Detailed explanation is carried out to the present invention with reference to the accompanying drawings and detailed description, it should be appreciated that this hair
Bright protection domain is not limited by embodiment.
Referring to Fig. 1, the figure is the structural representation of undercurrent type ozone sludge minimizing reaction system of the present invention, is implemented below
The sludge reduction reaction being related in example uses the reaction system.As shown in figure 1, the system includes:It is ozone generator 1, latent
Dirty pump 2, release 3, reactive tank 4, sludge import 5, sludge outlet 6.Wherein:The gas outlet of ozone generator 1 and the import of submersible sewage pump 2
It is connected, the outlet of submersible sewage pump 2 is connected with the import of release 3, so that ozone gas and sludge are simultaneously by submersible sewage pump 2 in reactive tank 4
Suck and mixed.
Referring to Fig. 2, the figure is the cross-sectional view of release in reaction system of the present invention, and it is by enters mud pipe and two
The symmetrical spherical crown composition on side, the top of spherical crown is provided with spray orifice 10.Including:Logistics import 7, outer flow passage 8, inner flow passage 9, spray orifice 10.
In release, sludge and ozone mixture enter spherical crown release by inlet tube 7, then equal by outer flow passage 8 and inner flow passage 9
It is divided into two streams, the two streams flow along outer flow passage 8 and inner flow passage 9 respectively, are then sprayed by the spray orifice 10 on spherical crown top
Go out.
Sludge and ozone enter submersible sewage pump 2 by negative pressure, mix sludge with ozone in submersible sewage pump 2, and by after mixing
Logistics delivery to release 3, release 3 contains two passes, the logistics entered by logistics import can be divided into two strands, at two
Run at high speed logistics being sufficiently mixed in passage and smash and sprayed by spray orifice 10, release 3 can be protected provided with two logistics corridors
The logistics mixing demonstrate,proved in passage is more abundant.
The specific implementation step that above-mentioned reaction system is handled sludge reduction is as follows:
The first step, ozone generator 1 is installed on outside reactive tank 4, and submersible sewage pump 2 and release 3 are installed on reaction
Inside groove 4.The connection sludge import 5 in the bottom of reactive tank 4, top connection sludge outlet 6.
Second step, the gas outlet of ozone generator 1 are connected by tracheae with the import of submersible sewage pump 2, and submersible sewage pump 2 is exported and release
3 imports are connected.
3rd step, by sludge be full of reactive tank 4, then stop into mud.Then start ozone generator 1 and submersible sewage pump 2, dive
The dirty import of pump 2 will suck ozone gas and sludge simultaneously using negative pressure, carry out being mixed to form ozone gas and sludge in pump
Mixture, the mixture is sprayed by the spray orifice 10 on the release 3 that is connected with submersible sewage pump 2 with 3-8m/s speed again, makes ozone
Gas and sludge further crush and refine and carry out efficient oxidation reaction.
4th step, when ozone dosage is the dry mud of 10-31mg ozone/g, start reactive tank 4 and enter mud, increase with sludge quantity
Plus, sludge is discharged by the sludge outlet 6 on the top of reactive tank 4, now whole reaction system stable operation, and sludge is continuously into anti-
Answer groove 4 and by ozone oxidation, the sludge after oxidation is continuously discharged reactive tank 4.The MLSS values for determining outlet discharge sludge are (mixed
Close liquid suspended sediment concentration), and compared with the value of sludge import 5, it is (MLSS to draw mud decrement valueImport-MLSSOutlet)/
MLSSImport× 100%.
Embodiment 1
The present embodiment carries out sludge reduction for the low dosage of ozone in reactive tank 4.
30g/h ozone generator 1 is installed on outside 30L reactive tanks 4, and submersible sewage pump 2 and release 3 are installed on instead
Answer inside groove 4.The connection sludge import 5 in the bottom of reactive tank 4, top connection sludge outlet 6.
The gas outlet of ozone generator 1 is connected by tracheae with the import of submersible sewage pump 2, the outlet of submersible sewage pump 2 and the import phase of release 3
Even.
MLSS concentration is full of reactive tank 4 for 14.14g/L sludge, then stopped into mud.Then ozone generator is started
1 and submersible sewage pump 2, the import of submersible sewage pump 2 will suck ozone gas and sludge simultaneously using negative pressure, carry out being mixed to form ozone in pump
The mixture of gas and sludge, adjusts the frequency of submersible sewage pump 2, passes the mixture through on the release 3 being connected with submersible sewage pump 2
Spray orifice 10 is sprayed with 8m/s speed, ozone gas and sludge is further crushed and is refined and carry out efficient oxidation reaction.
After reaction 8.5 minutes, now ozone dosage is 10mg ozone/dry mud of g, starts reactive tank 4 and enters mud, enters mudflow amount
Ratio with ozone air inlet is that ozone dosage keeps constant, and inputiing mud volume is 30/8.5 × 60=211.76L/h, now whole anti-
System stable operation is answered, sludge is continuously into reactive tank and by ozone oxidation, and the sludge after oxidation is reacted by continuously discharge
Groove 4.The MLSS values for determining outlet discharge sludge are 7.07g/L, and compared with the value of sludge import 5, show that mud decrement value is
(MLSSImport-MLSSOutlet)/MLSSImport× 100%=50%.
This example demonstrates that, sludge reduction is carried out using the reaction system in the present invention, in relatively low ozone dosage
Under, can be rapidly by sludge reduction 50%.
Embodiment 2
The present embodiment carries out sludge reduction for increase ozone dosage in reactive tank 4.
25.5g/h ozone generator 1 is installed on outside 40L reactive tanks 4, and submersible sewage pump 2 and release 3 are installed on
Inside reactive tank 4.The connection sludge import 5 in the bottom of reactive tank 4, top connection sludge outlet 6.
The gas outlet of ozone generator 1 is connected by tracheae with the import of submersible sewage pump 2, the outlet of submersible sewage pump 2 and the import phase of release 3
Even.
MLSS concentration is full of reactive tank 4 for 14.14g/L sludge, then stopped into mud.Then ozone generator is started
1 and submersible sewage pump 2, the import of submersible sewage pump 2 will suck ozone gas and sludge simultaneously using negative pressure, carry out being mixed to form ozone in pump
The mixture of gas and sludge, adjusts the frequency of submersible sewage pump 2, passes the mixture through on the release 3 being connected with submersible sewage pump 2
Spray orifice 10 is sprayed with 5m/s speed, ozone gas and sludge is further crushed and is refined and carry out efficient oxidation reaction.
After reaction 27 minutes, now ozone dosage is 20.3mg ozone/dry mud of g, starts reactive tank 4 and enters mud, enters mudflow
The ratio measured with ozone air inlet is that ozone dosage keeps constant, and inputiing mud volume is 40/27 × 60=88.9L/h, now whole anti-
System stable operation is answered, sludge is continuously into reactive tank and by ozone oxidation, and the sludge after oxidation is reacted by continuously discharge
Groove 4.The MLSS values for determining outlet discharge sludge are 4.24g/L, and compared with the value of sludge import 5, show that mud decrement value is
(MLSSImport-MLSSOutlet)/MLSSImport× 100%=70%.
This example demonstrates that, carried out using the reaction system in the present invention under sludge reduction, increase ozone dosage, can
With rapidly by sludge reduction 70%.
Embodiment 3
The present embodiment carries out sludge reduction for increase ozone dosage in reactive tank 4.
30g/h ozone generator 1 is installed on outside 40L reactive tanks 4, and submersible sewage pump 2 and release 3 are installed on instead
Answer inside groove 4.The connection sludge import 5 in the bottom of reactive tank 4, top connection sludge outlet 6.
The gas outlet of ozone generator 1 is connected by tracheae with the import of submersible sewage pump 2, the outlet of submersible sewage pump 2 and the import phase of release 3
Even.
MLSS concentration is full of reactive tank 4 for 14.14g/L sludge, then stopped into mud.Then ozone generator is started
1 and submersible sewage pump 2, the import of submersible sewage pump 2 will suck ozone gas and sludge simultaneously using negative pressure, carry out being mixed to form ozone in pump
The mixture of gas and sludge, adjusts the frequency of submersible sewage pump 2, passes the mixture through on the release 3 being connected with submersible sewage pump 2
Spray orifice 10 is sprayed with 6m/s speed, ozone gas and sludge is further crushed and is refined and carry out efficient oxidation reaction.
After reaction 29 minutes, now ozone dosage is 25.64mg ozone/dry mud of g, starts reactive tank 4 and enters mud, enters mudflow
The ratio measured with ozone air inlet is that ozone dosage keeps constant, and inputiing mud volume is 40/29 × 60=82.75L/h, now whole anti-
System stable operation is answered, sludge is continuously into reactive tank and by ozone oxidation, and the sludge after oxidation is reacted by continuously discharge
Groove 4.The MLSS values for determining outlet discharge sludge are 2.78g/L, and compared with the value of sludge import 5, show that mud decrement value is
(MLSSImport-MLSSOutlet)/MLSSImport× 100%=80.3%.
This example demonstrates that, carried out using the reaction system in the present invention under sludge reduction, increase ozone dosage, can
With rapidly by sludge reduction 80.3%.
Embodiment 4
The present embodiment carries out sludge reduction for increase ozone dosage in reactive tank 4.
30g/h ozone generator 1 is installed on outside 40L reactive tanks 4, and submersible sewage pump 2 and release 3 are installed on instead
Answer inside groove 4.The connection sludge import 5 in the bottom of reactive tank 4, top connection sludge outlet 6.
The gas outlet of ozone generator 1 is connected by tracheae with the import of submersible sewage pump 2, the outlet of submersible sewage pump 2 and the import phase of release 3
Even.
MLSS concentration is full of reactive tank 4 for 14.14g/L sludge, then stopped into mud.Then ozone generator is started
1 and submersible sewage pump 2, the import of submersible sewage pump 2 will suck ozone gas and sludge simultaneously using negative pressure, carry out being mixed to form ozone in pump
The mixture of gas and sludge, adjusts the frequency of submersible sewage pump 2, passes the mixture through on the release 3 being connected with submersible sewage pump 2
Spray orifice 10 is sprayed with 3m/s speed, ozone gas and sludge is further crushed and is refined and carry out efficient oxidation reaction.
After reaction 35 minutes, now ozone dosage is 31mg ozone/dry mud of g, starts reactive tank 4 and enters mud, enters mudflow amount
Ratio with ozone air inlet is that ozone dosage keeps constant, and inputiing mud volume is 40/35 × 60=68.57L/h, now whole reaction
System stable operation, sludge is continuously into reactive tank and by ozone oxidation, and the sludge after oxidation is continuously discharged reactive tank
4.The MLSS values for determining outlet discharge sludge are 1.33g/L, and compared with the value of sludge import 5, show that mud decrement value is
(MLSSImport-MLSSOutlet)/MLSSImport× 100%=90.6%.
This example demonstrates that, carried out using the reaction system in the present invention under sludge reduction, increase ozone dosage, can
With rapidly by sludge reduction 90.6%.
Upper inferior position description in above-mentioned embodiment with just to accompanying drawing when orientation it is consistent.
The preferred embodiments of the present invention are above are only, the present invention is not limited in the content of embodiment.For in this area
Technical staff for, can have various change and change in the range of technical scheme, any change made and
Change, within the scope of the present invention.
Claims (10)
1. a kind of sludge reduction reaction system, it is characterised in that:Including reactive tank, the submersible sewage pump being placed in reactive tank and release
Device, the ozone machine being placed in outside reactive tank, the reactive tank are provided with sludge import and sludge outlet, the ozone outlet of the ozone machine
It is connected with the submersible sewage pump import, the release logistics import is connected with submersible sewage pump outlet, and the submersible sewage pump passes through negative
The sludge and the ozone are sucked and flow into the release after mixing by pressure;
The release is provided with logistics import, the arc logistics corridor and logistics spray orifice that are connected with logistics import, the logistics
Passage is communicated with the spray orifice, is sprayed into the logistics in the release after the logistics corridor by the spray orifice.
2. sludge reduction reaction system according to claim 1, it is characterised in that:The logistics corridor includes outer flow passage
And inner flow passage, the inner flow passage and described outer flow passage one end be connected with logistics import, other end interflow and with the spray on release
Hole is communicated;Sprayed into the logistics in the release after the outer flow passage or the inner flow passage by the spray orifice.
3. sludge reduction reaction system according to claim 1, it is characterised in that:The sludge import is placed in described anti-
Answer the bottom of groove.
4. sludge reduction reaction system according to claim 1, it is characterised in that:The sludge outlet is arranged on described
The top of reactive tank.
5. sludge reduction reaction system according to claim 1, it is characterised in that:The release is provided with and symmetrically set
Two spherical crowns put, the spray orifice is arranged on the spherical crown, and two spray orifices are communicated with logistics corridor.
6. sludge reduction reaction system according to claim 1, it is characterised in that:Mixture passes through on the release
The flow velocity of spray orifice is 3-8m/s.
7. a kind of processing method based on above-mentioned reaction system, it is characterised in that comprise the following steps:
Ozone generator is installed on outside reactive tank by S01, and submersible sewage pump and release are installed on inside reactive tank.In reaction
Trench bottom connects sludge import, top connection sludge outlet;
S02 ozone generators gas outlet is connected by tracheae with submersible sewage pump import, and submersible sewage pump outlet is connected with release import;
Sludge is full of reactive tank by S03, is then stopped into mud, then starts ozone generator and submersible sewage pump, submersible sewage pump import profit
Ozone gas and sludge will be sucked simultaneously with negative pressure, carries out being mixed to form the mixture of ozone gas and sludge in pump, and this is mixed
Compound is sprayed by the spray orifice on the release that is connected with submersible sewage pump again, ozone gas and sludge is further crushed refinement and is gone forward side by side
Row efficient oxidation reacts;
S04 starts into mud after ozone dosage reaches requirement, and the ratio i.e. ozone dosage for entering mudflow amount and ozone air inlet is protected
Hold constant, sludge starts continuous discharge, hereafter reaction system continuously enters mud operation.
8. processing method according to claim 7, it is characterised in that:The spouting velocity of the release is 3-8m/s.
9. processing method according to claim 7, it is characterised in that:The ozone dosage is dry for 10-31mg ozone/g
Mud.
10. processing method according to claim 7, it is characterised in that:Detect that the mixed liquor of sludge outlet discharge sludge hangs
Floating solid concentration MLSSOutletWith the mixed genetic-neural network MLSS of sludge import sludgeImport, mud decrement value is calculated, is calculated
Formula is:(MLSSImport-MLSSOutlet)/MLSSImport× 100%.
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CN201710686270.6A CN107311422A (en) | 2017-08-11 | 2017-08-11 | A kind of sludge reduction reaction system and processing method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108395069A (en) * | 2018-03-30 | 2018-08-14 | 江苏大学 | A kind of urban sewage treatment plant sludge reducing device |
CN110127974A (en) * | 2019-05-24 | 2019-08-16 | 湖南省湘澧盐化有限责任公司 | A kind of salt sewage sludge harmlessness minimizing recycling treatment process |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108395069A (en) * | 2018-03-30 | 2018-08-14 | 江苏大学 | A kind of urban sewage treatment plant sludge reducing device |
CN108395069B (en) * | 2018-03-30 | 2020-02-21 | 江苏大学 | Sludge reduction device for urban sewage treatment plant |
CN110127974A (en) * | 2019-05-24 | 2019-08-16 | 湖南省湘澧盐化有限责任公司 | A kind of salt sewage sludge harmlessness minimizing recycling treatment process |
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Application publication date: 20171103 |