CN107619108A - Anaerobic grain sludge cultural method and culture apparatus - Google Patents
Anaerobic grain sludge cultural method and culture apparatus Download PDFInfo
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- CN107619108A CN107619108A CN201710857206.XA CN201710857206A CN107619108A CN 107619108 A CN107619108 A CN 107619108A CN 201710857206 A CN201710857206 A CN 201710857206A CN 107619108 A CN107619108 A CN 107619108A
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- Prior art keywords
- sludge
- anaerobic grain
- culture apparatus
- grain sludge
- anaerobic
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- 239000010802 sludge Substances 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 21
- 235000015097 nutrients Nutrition 0.000 claims abstract description 18
- 239000000126 substance Substances 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 239000002351 wastewater Substances 0.000 claims description 21
- 239000008187 granular material Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 5
- 238000012258 culturing Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 239000011572 manganese Substances 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 239000010815 organic waste Substances 0.000 claims description 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims 1
- 239000004917 carbon fiber Substances 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 1
- 235000016709 nutrition Nutrition 0.000 claims 1
- 230000035764 nutrition Effects 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention relates to field of Environment Protection, more particularly to a kind of anaerobic grain sludge cultural method and culture apparatus.Anaerobic grain sludge culture apparatus, including body, it is arranged on intrinsic multiple artificial sludge's beds, chemicals dosing plant for from the day addition nutrient solution to the body, for keeping the thermostat of constant temperature and the control device being arranged on body in the body, blast pipe and mud discharging mouth are additionally provided with the body.The present invention can improve the culture stability of anaerobic grain sludge using culture apparatus, while also have the advantages that cultivation cycle is short, and culture efficiency is high.
Description
Technical field
The present invention relates to field of Environment Protection, more particularly to a kind of anaerobic grain sludge cultural method and culture apparatus.
Background technology
Anaerobic Biotechnology is widely used in food, chemical industry at present, and wherein Anaerobic Microbiological Treatment Technology is that have
The best-of-breed technology of machine pollution control, it is especially more obvious to the treatment effect of high concentrated organic wastewater.Waste water fermentation handles skill
Granule sludge activity has considerable influence to processing waste water effect in art, while granule sludge is evolving, granule sludge quantity
It is on the increase, particle diameter constantly increases and tends to be uniform.It is influenced by factors in the culture excessively of anaerobic grain sludge at present,
Often result in that the granule sludge performance to be formed is unstable, and impact resistance is poor, it is bad to adapt to external environment changing capability, cultivates simultaneously
Complete anaerobic grain sludge and also need to secondary domestication, substantially increase time cost and production cost.
The content of the invention
In view of the foregoing, the present invention be in order to solve the deficiencies in the prior art and provide one kind can improve anaerobic grain dirt
The culture stability of mud, cultivation cycle is short, the anaerobic grain sludge cultural method and culture apparatus of culture efficiency height etc..
To reach above-mentioned purpose, the technical solution adopted for the present invention to solve the technical problems is：
A kind of anaerobic grain sludge cultural method, it comprises the following steps：
A. floc sludge is filled in culture apparatus, nutrient solution is added in anaerobic grain sludge culture apparatus, it is described
Nutrient solution includes organic wastewater and microelement substance；
B. the initial COD concentration of organic wastewater is 3000-5000mg/L, by the organic waste in anaerobic grain sludge culture apparatus
Water pH value is controlled between 6.5-7.5, and temperature control is at 25-45 DEG C, the body of floc sludge and anaerobic grain sludge culture apparatus
Product is than being 1:16-1:25；
C. anaerobic grain sludge culture apparatus sample tap COD value is determined, when COD clearances reach 80%-90%, from detesting
Oxygen granule sludge culture apparatus bottom intakes, and impacts sludge in anaerobic grain sludge culture apparatus, makes sludge dirty in anaerobic grain
Contact and assemble thereon with sludge bed in mud culture apparatus；
D. such as occurs sludge bulking suspension during the course of the reaction, suspended sludge discharge will be expanded by opening the first valve；When detesting
Oxygen granularity accounts for the 70%-80% of sludge sum in 2-7mm sludge, the second valve on mud discharging mouth is opened, by dirt
Mud particle is discharged.
Preferably, between 35-45 DEG C, pH value controls in 6.8-7.2 temperature control in the reaction whole process.
Preferably, the initial COD concentration of organic wastewater in the nutrient solution is 3000mg/L, C：N：P=210：5.5:1
Ratio matched, micro urmaterie includes iron, nickel and manganese.
Preferably, the step b is before start first by the constant temperature of the heated at constant temperature of anaerobic grain sludge culture apparatus
Device is heated to 25-45 DEG C.
Preferably, granule sludge stage of ripeness hydraulic detention time is 7 hours in the step c.
Preferably, the volume ratio of the floc sludge and anaerobic grain sludge culture apparatus is 1:19.
The anaerobic grain sludge culture apparatus of the present invention, including body, are arranged on intrinsic multiple artificial sludges
Bed, for the chemicals dosing plant of the day addition nutrient solution into the body, for keeping the thermostat of constant temperature in the body
And the control device on body is arranged on, it is additionally provided with blast pipe and mud discharging mouth on the body.
Preferably, the control device is electrically connected with being arranged on intrinsic detector, and the detector includes PH
Detector, temperature detector, level switch and potential value detector.
Preferably, the chemicals dosing plant includes dosing tank, liquid level gauge is provided with the dosing tank, for detecting liquid
Liquid level.
Preferably, artificial sludge's bed includes the first fixed mount, the second fixed mount and support tube, and described first
Fixed mount and the second fixed mount are fixedly connected with body, and the support tube is arranged between the first fixed mount and the second fixed mount,
The support tube is provided with equally distributed carbon fibre tow.
It can be seen from the above technical scheme that the culture that the present invention can improve anaerobic grain sludge using culture apparatus is steady
It is qualitative, while also there is the advantages that cultivation cycle is short, and culture efficiency is high；It may be such that the particle to be formed is dirty by artificial sludge's bed
Mud stable performance, granule sludge impact resistance is good, and adaptation external environment changing capability is strong, and granularity is big, mud bed
The coefficient of expansion is high；Simultaneously anaerobic grain sludge transformation after can come into operation immediately, reduce secondary domestication time and into
This, realizes the automated production of anaerobic grain sludge culture.
Brief description of the drawings
Fig. 1 is a kind of anaerobic grain sludge culture apparatus structural representation of the present invention.
Description of reference numerals：1- bodies, 2- dosing tanks, 3- water inlets, 4- measuring pumps, 5- blast pipes, 6- control devices, 7-
Sludge import, the fixed mounts of 8- first, the valves of 9- first, 10- support tubes, 11- carbon fibre tows, 12- thermostats, 13- second
Fixed mount, 14- mud discharging mouths.
Embodiment
With reference to specific embodiment, present disclosure is described in further detail：
Refering to Fig. 1, anaerobic grain sludge culture apparatus of the invention, including body 1, it is arranged on more in the body 1
Individual artificial Sludge Bed layer, the more preferably described body 1 of the present invention is interior to be provided with 1,2 artificial Sludge Bed layers, for described
The chemicals dosing plant of day addition nutrient solution in body 1, for keeping the thermostat 12 of constant temperature in the body 1 and being arranged on body
Control device 6 on 1, is additionally provided with sludge import 7, blast pipe 5 and mud discharging mouth 14 on the body 1, on the mud discharging mouth 14
Provided with the second valve, the pipeline between the chemicals dosing plant and body 1 is provided with measuring pump 4, the measuring pump 4 and chemicals dosing plant
Between pipeline be provided with the 3rd valve, described body side surface is provided with the first valve 9.
The control device 6 and the detector that is arranged in body 1 are electrically connected with, the detector include PH detector,
Temperature detector, level switch and potential value detector.
The chemicals dosing plant includes dosing tank 2 and water inlet 3, and the dosing tank 2 is provided with liquid level gauge, for detecting liquid
Liquid level, the dosing tank 2 is built with the nutritious liquid configured.
Artificial sludge's bed includes the first fixed mount 8, the second fixed mount 13 and support tube 10, and described first fixes
The fixed mount 13 of frame 8 and second is fixedly connected with body 1, and the support tube 10 is arranged on the first fixed mount 8 and the second fixed mount 13
Between, the support tube 10 is provided with equally distributed carbon fibre tow 11.
Embodiment 1
Shown in Fig. 1, a kind of anaerobic grain sludge cultural method, it comprises the following steps：
A. floc sludge is filled in culture apparatus, nutrient solution is added in anaerobic grain sludge culture apparatus, it is described
Nutrient solution includes organic wastewater and microelement substance；
B. the initial COD concentration of organic wastewater is 3000mg/L, by the organic wastewater PH in anaerobic grain sludge culture apparatus
Value control is between 7, and for temperature control at 32 DEG C, the volume ratio of floc sludge and anaerobic grain sludge culture apparatus is 1:21；
C. anaerobic grain sludge culture apparatus sample tap COD value is determined, when COD clearances reach 82%, from anaerobism
The bottom of device water inlet of grain culturing sludge, impacts sludge in anaerobic grain sludge culture apparatus, sludge is trained in anaerobic grain sludge
Support and contact and assemble thereon with sludge bed in device；
D. such as occurs sludge bulking suspension during the course of the reaction, opening the first valve 9 will expansion suspended sludge discharge；When detesting
Oxygen granularity accounts for the 75% of sludge sum in 2-7mm sludge, the second valve on mud discharging mouth 14 is opened, by sludge
Grain discharge.
Between 32 DEG C, pH value controls 7 temperature control in the reaction whole process.
The initial COD concentration of organic wastewater in the nutrient solution is 3000mg/L, C：N：P=210：5.5:1 ratio is entered
Row proportioning, micro urmaterie include iron, nickel and manganese.
The step b before start first heats the thermostat 12 of the heated at constant temperature of anaerobic grain sludge culture apparatus
To 32 DEG C.
Granule sludge stage of ripeness hydraulic detention time is 7 hours in the step c.
Embodiment 2
Shown in Fig. 1, a kind of anaerobic grain sludge cultural method, it comprises the following steps：
A. floc sludge is filled in culture apparatus, nutrient solution is added in anaerobic grain sludge culture apparatus, it is described
Nutrient solution includes organic wastewater and microelement substance；
B. the initial COD concentration of organic wastewater is 3500mg/L, by the organic wastewater pH in anaerobic grain sludge culture apparatus
Value control is between 7.1, and for temperature control at 35 DEG C, the volume ratio of floc sludge and anaerobic grain sludge culture apparatus is 1:19；
C. anaerobic grain sludge culture apparatus sample tap COD value is determined, when COD clearances reach 87%, from anaerobism
The bottom of device water inlet of grain culturing sludge, impacts sludge in anaerobic grain sludge culture apparatus, sludge is trained in anaerobic grain sludge
Support and contact and assemble thereon with sludge bed in device；
D. such as occurs sludge bulking suspension during the course of the reaction, opening the first valve 9 will expansion suspended sludge discharge；When detesting
Oxygen granularity accounts for the 74% of sludge sum in 2-7mm sludge, the second valve on mud discharging mouth 14 is opened, by sludge
Grain discharge.
Between 35 DEG C, pH value controls 7.1 temperature control in the reaction whole process.
The initial COD concentration of organic wastewater in the nutrient solution is 3500mg/L, C：N：P=210：5.5:1 ratio is entered
Row proportioning, micro urmaterie include iron, nickel and manganese.
The step b before start first heats the thermostat 12 of the heated at constant temperature of anaerobic grain sludge culture apparatus
To 35 DEG C.
Granule sludge stage of ripeness hydraulic detention time is 7 hours in the step c.
Embodiment 3
Shown in Fig. 1, a kind of anaerobic grain sludge cultural method, it comprises the following steps：
A. floc sludge is filled in culture apparatus, nutrient solution is added in anaerobic grain sludge culture apparatus, it is described
Nutrient solution includes organic wastewater and microelement substance；
B. the initial COD concentration of organic wastewater is 3800mg/L, by the organic wastewater PH in anaerobic grain sludge culture apparatus
Value control is between 6.9, and for temperature control at 38 DEG C, the volume ratio of floc sludge and anaerobic grain sludge culture apparatus is 1:20；
C. anaerobic grain sludge culture apparatus sample tap COD value is determined, when COD clearances reach 86%, from anaerobism
The bottom of device water inlet of grain culturing sludge, impacts sludge in anaerobic grain sludge culture apparatus, sludge is trained in anaerobic grain sludge
Support and contact and assemble thereon with sludge bed in device；
D. such as occurs sludge bulking suspension during the course of the reaction, opening the first valve 9 will expansion suspended sludge discharge；When detesting
Oxygen granularity accounts for the 76% of sludge sum in 2-7mm sludge, the second valve on mud discharging mouth 14 is opened, by sludge
Grain discharge.
Between 38 DEG C, pH value controls 6.9 temperature control in the reaction whole process.
The initial COD concentration of organic wastewater in the nutrient solution is 3800mg/L, C：N：P=210：5.5:1 ratio is entered
Row proportioning, micro urmaterie include iron, nickel and manganese.
The step b before start first heats the thermostat 12 of the heated at constant temperature of anaerobic grain sludge culture apparatus
To 38 DEG C.
Granule sludge stage of ripeness hydraulic detention time is 7 hours in the step c.
Above-described embodiment only technical concept to illustrate the invention and, feature, its object is to allow be familiar with technique
Personage can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to this hair
The equivalent change or modification that bright Spirit Essence is made, it should all cover within the scope of the present invention.
Claims (10)
1. a kind of anaerobic grain sludge cultural method, it is characterised in that it comprises the following steps：
A. floc sludge is filled in culture apparatus, nutrient solution, the nutrition is added in anaerobic grain sludge culture apparatus
Liquid includes organic wastewater and microelement substance；
B. the initial COD concentration of organic wastewater is 3000-5000mg/L, by the organic wastewater pH in anaerobic grain sludge culture apparatus
Value control is between 6.5-7.5, and temperature control is at 25-45 DEG C, the volume ratio of floc sludge and anaerobic grain sludge culture apparatus
For 1:16-1:25；
C. anaerobic grain sludge culture apparatus sample tap COD value is determined, when COD clearances reach 80%-90%, from anaerobism
The bottom of device water inlet of grain culturing sludge, impacts sludge in anaerobic grain sludge culture apparatus, sludge is trained in anaerobic grain sludge
Support and contact and assemble thereon with sludge bed in device；
D. such as occurs sludge bulking suspension during the course of the reaction, suspended sludge discharge will be expanded by opening the first valve；When anaerobism
Grain sludge particle diameter accounts for the 70%-80% of sludge sum in 2-7mm sludge, the second valve on mud discharging mouth is opened, by sludge
Grain discharge.
2. anaerobic grain sludge cultural method according to claim 1, it is characterised in that the reaction whole process medium temperature
Between 35-45 DEG C, pH value is controlled in 6.8-7.2 for degree control.
3. anaerobic grain sludge cultural method according to claim 1, it is characterised in that the organic waste in the nutrient solution
The initial COD concentration of water is 3000mg/L, C：N：P=210：5.5:1 ratio is matched, micro urmaterie include iron, nickel and
Manganese.
4. anaerobic grain sludge cultural method according to claim 1, it is characterised in that the step b is first before start
The thermostat of the heated at constant temperature of anaerobic grain sludge culture apparatus is first heated to 25-45 DEG C.
5. anaerobic grain sludge cultural method according to claim 1, it is characterised in that granule sludge in the step c
Stage of ripeness hydraulic detention time is 7 hours.
6. anaerobic grain sludge cultural method according to claim 1, it is characterised in that the floc sludge and anaerobism
The volume ratio of grain culturing sludge device is 1:19.
7. a kind of anaerobic grain sludge culture apparatus, it is characterised in that including body, be arranged on described intrinsic multiple artificial
Sludge bed, for the chemicals dosing plant of the day addition nutrient solution into the body, for keeping the constant temperature of constant temperature in the body
Device and the control device being arranged on body, blast pipe and mud discharging mouth are additionally provided with the body.
8. anaerobic grain sludge culture apparatus according to claim 7, it is characterised in that the control device is with being arranged on
Intrinsic detector is electrically connected with, and the detector includes PH detector, temperature detector, level switch and potential value inspection
Survey device.
9. anaerobic grain sludge culture apparatus according to claim 7, it is characterised in that the chemicals dosing plant includes dosing
Case, liquid level gauge is provided with the dosing tank, for detecting the liquid level of liquid.
10. anaerobic grain sludge culture apparatus according to claim 7, it is characterised in that artificial sludge's bed bag
The first fixed mount, the second fixed mount and support tube are included, first fixed mount and the second fixed mount are fixedly connected with body, institute
State support tube to be arranged between the first fixed mount and the second fixed mount, the support tube is provided with equally distributed carbon fiber wire
Beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710857206.XA CN107619108A (en) | 2017-09-20 | 2017-09-20 | Anaerobic grain sludge cultural method and culture apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710857206.XA CN107619108A (en) | 2017-09-20 | 2017-09-20 | Anaerobic grain sludge cultural method and culture apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107619108A true CN107619108A (en) | 2018-01-23 |
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|---|---|---|---|
| CN201710857206.XA Pending CN107619108A (en) | 2017-09-20 | 2017-09-20 | Anaerobic grain sludge cultural method and culture apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550737A (en) * | 2019-08-21 | 2019-12-10 | 万创青绿（北京）环境科技有限公司 | Granular sludge preparation method and reactor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767873A (en) * | 2010-01-14 | 2010-07-07 | 四川大学 | Method for quickly culturing anaerobic hydrogen-producing granular sludge |
| CN103043792A (en) * | 2013-01-19 | 2013-04-17 | 东北电力大学 | Method and device for cultivating anaerobic granular sludge |
| CN106396096A (en) * | 2016-11-04 | 2017-02-15 | 苏州依斯倍环保装备科技有限公司 | Method and device for culturing anaerobic granular sludge |
-
2017
- 2017-09-20 CN CN201710857206.XA patent/CN107619108A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767873A (en) * | 2010-01-14 | 2010-07-07 | 四川大学 | Method for quickly culturing anaerobic hydrogen-producing granular sludge |
| CN103043792A (en) * | 2013-01-19 | 2013-04-17 | 东北电力大学 | Method and device for cultivating anaerobic granular sludge |
| CN106396096A (en) * | 2016-11-04 | 2017-02-15 | 苏州依斯倍环保装备科技有限公司 | Method and device for culturing anaerobic granular sludge |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550737A (en) * | 2019-08-21 | 2019-12-10 | 万创青绿（北京）环境科技有限公司 | Granular sludge preparation method and reactor |
| CN110550737B (en) * | 2019-08-21 | 2022-04-29 | 万创青绿（北京）环境科技有限公司 | Granular sludge preparation method and reactor |
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Application publication date: 20180123 |
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