CN109574431A - A kind of integrated apparatus preparing organic carbon source using primary sludge - Google Patents
A kind of integrated apparatus preparing organic carbon source using primary sludge Download PDFInfo
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- CN109574431A CN109574431A CN201811603008.1A CN201811603008A CN109574431A CN 109574431 A CN109574431 A CN 109574431A CN 201811603008 A CN201811603008 A CN 201811603008A CN 109574431 A CN109574431 A CN 109574431A
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- mud
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- pipe
- carbon source
- annular
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- 239000010802 sludge Substances 0.000 title claims abstract description 56
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000000855 fermentation Methods 0.000 claims abstract description 44
- 230000004151 fermentation Effects 0.000 claims abstract description 44
- 238000010992 reflux Methods 0.000 claims abstract description 41
- 238000005192 partition Methods 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 239000000523 sample Substances 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 17
- 230000000630 rising effect Effects 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 5
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 229920000037 Polyproline Polymers 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000002054 inoculum Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- -1 methanol Chemical compound 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002352 surface water 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
- C02F11/02—Biological treatment
-
- 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
-
- 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
-
- 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]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
Abstract
A kind of integrated apparatus preparing organic carbon source using primary sludge, including fermentor, top is equipped with mud inlet and heating rod installs preformed hole, and mud inlet is circumscribed with into dredge pump, and heating rod, which is installed, is inserted into heating rod in preformed hole；The internal mud-water separating area for being divided into intermediate Hydraulic Circulation area and surrounding by partition, corresponds to and is equipped with high fermentation product outlet at mud-water separating area and is circumscribed with high fermentation product discharge pipe；Bottom is equipped with into mud bell-mouth structure of air and multiple reflux bell-mouth structure of air, is circumscribed with circulation enters mud pipe and circulating reflux branch pipe respectively, and circulating reflux branch pipe is collected to circulating reflux general pipeline, recycles enters mud pipe and circulating reflux general pipeline is connected to the two sides of a circulating pump.The present apparatus combines single-stage static fermentation, is thoroughly mixed the characteristics of fermentation and two-stage fermentation, take up little area, operational management is simple, low energy consumption, provides high-quality and efficient sludge internal carbon source, realization mentions mark, solves the thorny problem of Treatment of Sludge, relative to the more economical safety of traditional additional carbon.
Description
Technical field
The present invention relates to sludge treatment equipment, in particular to a kind of one for preparing organic carbon source using primary sludge is disguised
It sets.
Background technique
In recent years, water environment situation in China's is increasingly serious, in all parts of the country to propose more sternly to the effluent quality of sewage plant
It is arduous to mention mark transformation task for the requirement of lattice.However, the main problem occurred in sewage plant upgrading at present be into water component not
Equilibrium, carbon-nitrogen ratio (C/N) is low in sewage, can be by effective carbon source that denitrifying bacterium and polyP bacteria directly utilize more in raw water carbon source
It is few, cause water outlet nitrogen and phosphorus content unstable, water outlet mentions the level-one A or surface water quality standard four of mark to national GB18918-2002
Class water body is difficult.And another problem is that a large amount of specific resistance to filtration that sewage treatment generates are difficult, the especially resource of sludge
Change and utilizes an always problem.
The way that tradition solves municipal sewage plant's carbon source demand is to provide outer carbon source to biological treatment system, such as: first
Alcohol, ethyl alcohol, sodium acetate or cerelose etc., certainly will lead to once to invest big, operating cost height, and sludge quantity is big.Primary sludge
In a large amount of carbohydrate (~ 50%), protein (~ 27%), fatty (~ 20%) that contain belong to organic carbon source at a slow speed.If
It is translated into quick organic carbon source (first kind matrix), is used for denitrification dephosphorization system, then the biology that can greatly speed up sewage is de-
Nitrogen dephosphorization efficiency, while additional carbon is avoided, save operating cost.By taking 100,000 m3/d scale sewage plants as an example, primary sludge
Yield about 13000kg/d generates carbon source amount about 7500kg/d, is equivalent to the methanol for saving 3200kg/d.
It in the prior art, is mainly both at home and abroad the item studied different sludge fermentations and produce acid for the research emphasis of sludge fermentation
Part, small, weight theory analysis and mechanism study.For Practical Project expansion industrial experimentation research seldom have been reported that,
The design and operating parameter of carbon source preparation facilities also do not retrieve, and it is also several applied to the field of Practical Project that sludge fermentation produces acid
It is blank out.
Summary of the invention
The present invention is in view of the above-mentioned problems, provide a kind of integrated apparatus for preparing organic carbon source using primary sludge.
The purpose of the present invention can be realized by following technical proposals: a kind of to prepare organic carbon source using primary sludge
Integrated apparatus, including fermentor, the top of the fermentor is equipped with mud inlet and heating rod installs preformed hole, the mud inlet
It is circumscribed with by enters mud pipe road into dredge pump, insertion is equipped with more heating rods in the heating rod installation preformed hole；The fermentation
The inside of tank is divided by partition is located in the middle Hydraulic Circulation area and the mud-water separating area positioned at surrounding, the Hydraulic Circulation area
It is divided into and is located in the middle waterpower rising area and the waterpower descending area positioned at surrounding, the waterpower rising area, waterpower descending area and mud
Water Disengagement zone is connected；High fermentation product outlet is equipped at the top of the correspondence mud-water separating area of the fermentor, it is described
High fermentation product outlet is circumscribed with high fermentation product discharge pipe；The bottom of the fermentor is equipped with into mud bell-mouth structure of air
With reflux bell-mouth structure of air, in the bottom centre for being connected to fermentor in big top and small bottomly into mud bell-mouth structure of air
Side is circumscribed with circulation enters mud pipe into mud bell-mouth structure of air, and the quantity of the reflux bell-mouth structure of air is multiple and multiple reflux loudspeakers
Mouth structure is evenly distributed in the side into mud bell-mouth structure of air, and the bell-mouth structure of air that flows back is connected to hair in big top and small bottomly
The outside of the bottom of fermentation tank, each reflux bell-mouth structure of air are circumscribed with a circulating reflux branch pipe, multiple circulating reflux branch pipes
Collecting and is connected with circulating reflux general pipeline, the circulation enters mud pipe and circulating reflux general pipeline are connected to the two sides of a circulating pump,
It recycles enters mud pipe, circulating reflux general pipeline and multiple circulating reflux branch pipes and constitutes circulation line.
Further, the partition includes annular inner baffle and annular outer baffle, the annular inner baffle and annular it is outer every
Plate is coaxial and is arranged inside and outside, and annular inner baffle and annular outer baffle pass through fixation steel plate and the inner wall of fermentor connects, annular
Fermentor inner space is divided into waterpower rising area, waterpower descending area and muddy water by internal partition and annular outer baffle from inside to outside
Disengagement zone.
Further, the entirety on the top and top of the fermentor is in the high shape in the low centre of surrounding, the annular it is outer every
The upper surface of plate is higher than the upper surface of annular inner baffle, and the top of annular outer baffle is in up-small and down-big gathering shape, the fermentation
The lower part of tank and the entirety of bottom are in low shape between surrounding senior middle school, and the lower end surface of the annular inner baffle is lower than under annular outer baffle
End face.
Further, the partition further includes annular mud-water separation partition, and the annular mud-water separation partition is set to
The top of mud-water separating area, annular mud-water separation partition is coaxial with annular outer baffle and is set to the week on the top of annular outer baffle
Side, annular mud-water separation partition connect in the inner wall of the up-small and down-big lower end for collapsing shape and annular mud-water separation partition and fermentor
It connects, the annular mud-water separation partition makes the top side of mud-water separating area be divided into high fermentation product discharge area, the hair
High fermentation product outlet is set at the correspondence high fermentation product discharge area of fermentation tank.
Further, automatic exhaust steam valve and pressure gauge are circumscribed at the top of the fermentor, the lower part of fermentor is circumscribed with
Thermometer and pH meter.
Further, electromagnetic flowmeter is respectively equipped in the enters mud pipe road and circulation enters mud pipe.
Further, sludge pipe and blow-down pipe, the circulation enters mud pipe, circulating reflux are also connected on the circulation line
Shut-off valve is respectively equipped on general pipeline, sludge pipe and blow-down pipe.
Further, the side of the fermentor is additionally provided with multiple sample taps, and multiple sample taps are from the one of fermentor
A side high position is uniformly distributed to other side low level, and the sample tap is circumscribed with probe tube, and the probe tube is equipped with shut-off valve.
It further, further include holding vessel, the high fermentation product discharge pipe is connect with holding vessel, and high fermentation
Product is emitted into holding vessel by way of overflow.
It further, further include temperature monitoring system, the temperature monitoring system is connect with heating rod.
Compared with prior art, beneficial effects of the present invention: (1) device integrally takes up an area smaller, solves sewage plant upgrading
The problem of land used deficiency in transformation；(2) run it is more convenient, without the civil engineering facility other than basis, by enters mud pipe, sludge pipe,
Carbon source pipe accesses sewage disposal system, can be by the sludge disintegration of inflow at useless mud and tunning, and useless mud still enters original
Treatment of Sludge process, tunning are added to the denitrification section of biological treatment as carbon source；(3) organic carbon source generated can be
Biological denitrificaion provides high-quality carbon source, and nitric efficiency is higher, reduces water outlet total nitrogen, improves discharge standard, raw anti-pond water outlet
Effect is more preferable；(4) it combines single-stage static fermentation, be thoroughly mixed the advantages of fermentation and two-stage fermentation, it can on-line continuous preparation
Organic carbon source by sewage or sludge treatment technique without being influenced；(5) the main operating cost of device is the heating of winter electrical bar
Power consumption and the energy consumption of water pump reduce mud handling capacity, utilize recycling sludge while using part primary sludge,
It reduces investment outlay；(6) device has automatic temperature-controlled and flow control regulatory function option, and is equipped with safeguard protection alarm monitoring, really
Protect optimal operating condition；(7) device reduces running operational administrative, connects certainly after one-shot according to engineering principle design
Kind operation, makes full use of the resource in sludge to be not required to the medicaments such as outer acid adding, alkali or biological inoculum；(8) high-quality and efficient dirt is being provided
The realization of mud internal carbon source proposes target simultaneously, solves the thorny problem of Treatment of Sludge, and sludge VSS is reduced up to 30% or more, alleviates dirt
Water treatment system carbon resource shortage problem, relative to traditional additional carbon, such as methanol, more economical safety.
Detailed description of the invention
Fig. 1 is floor map of the invention.
Fig. 2 is the cross-sectional view of A-A in Fig. 1.
Fig. 3 is the structural schematic diagram at the top of the fermentor in the present invention.
Fig. 4 is the structural schematic diagram of the circulation line in the present invention.
Fig. 5 is the arrangement schematic diagram of the sample tap of the fermentor in the present invention.
Fig. 6 is that the present invention applies the schematic diagram in sewage disposal system.
Component mark is as follows in figure:
1 fermentor
2 mud inlets
3 heating rods install preformed hole
4 heating rods
5 annular inner baffles
6 annular outer baffles
7 annular mud-water separation partitions
8 fixation steel plates
9 waterpower rising areas
10 waterpower descending areas
11 mud-water separating areas
12 high fermentation product discharge areas
13 high fermentation product outlets
14 UPVC pipe
15 automatic exhaust steam valves
16 pressure gauges
17 thermometers
18 pH meters
19 into mud bell-mouth structure of air
20 reflux bell-mouth structure of air
21 support ribs
22 circulation enters mud pipes
23 circulating reflux branch pipes
24 circulating reflux general pipeline
25 circulating pumps
26 sludge pipes
27 blow-down pipes
28 sample taps
29 probe tubes
30 electromagnetic flowmeters.
Specific embodiment
Below in conjunction with the attached drawing specific embodiment that the present invention will be described in detail, those skilled in the art is made to become apparent from geography
How solution practices the present invention.Although describing the present invention in conjunction with its preferred embodiment, these embodiments are
It illustrates, is not intended to limit the scope of the invention.
Referring to Fig. 1 to Fig. 3, a kind of integrated apparatus preparing organic carbon source using primary sludge, including fermentor 1, institute
State fermentor 1 top be equipped with mud inlet 2 and heating rod installation preformed hole 3, the mud inlet 2 by enters mud pipe road be circumscribed with into
Dredge pump and electromagnetic flowmeter, it is described that the primary sludge in primary sedimentation tank blowoff chamber is squeezed into fermentor 1 into dredge pump, and pass through electromagnetic current
Meter is measured, and the heating rod installation preformed hole 3 is set to the top center of fermentor 1, is installed by heating rod reserved
Hole 3 is inserted into fermentor 1 is equipped with more heating rods 4, and the heating rod 4 realizes the heating of 1 inside sludge of team's fermentor, also
Including temperature monitoring system, the temperature monitoring system is connect with heating rod 4, realize to the real-time monitoring of 4 temperature of heating rod and
Control.
The inside of the fermentor 1 is equipped with annular inner baffle 5 and annular outer baffle 6, outside the annular inner baffle 5 and annular
Partition 6 is coaxial and is arranged inside and outside, and annular inner baffle 5 and annular outer baffle 6 are respectively connected with the multi-disc fixation steel plate being evenly distributed
8, fixation steel plate 8 shown in FIG. 1 is four, and the fixation steel plate 8 is connect with the inner wall of fermentor 1, annular inner baffle 5 and annular
1 inner space of fermentor is divided into waterpower rising area 9, waterpower descending area 10 and mud-water separating area by external partition 6 from inside to outside
11, the waterpower rising area 9, waterpower descending area 10 are connected with mud-water separating area 11, waterpower rising area 9 and waterpower descending area 10
Hydraulic Circulation area is constituted, is equipped with high fermentation product outlet 13 at the top of the correspondence mud-water separating area 11 of the fermentor 1,
The high fermentation product outlet 13 is circumscribed with the UPVC pipe 14 moved towards downward, and the UPVC pipe 14 is connected with ball valve, described
Ball valve is connect by hose with holding vessel, and the junction of ball valve and hose is clamped equipped with anchor ear, the tunning in fermentor 1
By 14 overflow of UPVC pipe to holding vessel, then pump and carbon source pipe are added by carbon source and throw the tunning in holding vessel to not far
In the anti-pond of the life at place, the process pipeline is shorter, improves and adds efficiency.Wherein, the entirety on the top and top of the fermentor 1
In the high shape in the low centre of surrounding, the upper surface of the annular outer baffle 6 is higher than the upper surface of annular inner baffle 5, annular outer baffle 6
Top is in up-small and down-big gathering shape；The lower part of the fermentor 1 and the entirety of bottom are in low shape between surrounding senior middle school, the annular
The lower end surface of internal partition 5 is lower than the lower end surface of annular outer baffle 6.The top of the mud-water separating area 11 is additionally provided with annular muddy water point
From partition 7, the annular mud-water separation partition 7 is coaxial with annular outer baffle 6 and the week on top that be set to annular outer baffle 6
Side, annular mud-water separation partition 7 is equally in the up-small and down-big lower end for collapsing shape and annular mud-water separation partition 7 and fermentor 1
Inner wall connection, the annular mud-water separation partition 7 makes the top side of mud-water separating area 11 be divided into high fermentation product row
High fermentation product outlet 13 is arranged at the correspondence high fermentation product discharge area 12 of the fermentor 1 for area 12 out.
The top of the fermentor 1 is circumscribed with automatic exhaust steam valve 15 and pressure gauge 16, and the lower part of fermentor 1 is circumscribed with temperature
Meter 17 and pH meter 18, the gas that the automatic exhaust steam valve 15 generates fermentation process in fermentor 1 are discharged, the pressure gauge 16,
Thermometer 17 and pH meter 18 are to pressure, temperature and the pH real-time detection in fermentor 1.
The bottom of the fermentor 1 is equipped with into mud bell-mouth structure of air 19 and reflux bell-mouth structure of air 20, described into mud loudspeaker
Mouth structure 19 is connected to the inside of the bottom centre of fermentor 1 in big top and small bottomly, into mud horn mouth by being evenly distributed
Multiple support ribs 21 connect with the inner wall of fermentor 1, into mud bell-mouth structure of air 19 be circumscribed with circulation enters mud pipe 22, described time
The quantity of stream bell-mouth structure of air 20 is that multiple and multiple reflux bell-mouth structure of air 20 are evenly distributed in into mud bell-mouth structure of air 19
Side, it is shown in Fig. 2 reflux bell-mouth structure of air 20 quantity be four, reflux bell-mouth structure of air 20 in big top and small bottomly company
It is connected to the outside of the bottom of fermentor 1, each reflux bell-mouth structure of air 20 is circumscribed with a circulating reflux branch pipe 23, multiple described to follow
Loopback stream branch pipe 23, which collects, is connected with circulating reflux general pipeline 24, and the circulation enters mud pipe 22 and circulating reflux general pipeline 24 are separately connected
In the two sides of a circulating pump 25, recycles enters mud pipe 22, circulating reflux general pipeline 24 and multiple circulating reflux branch pipes 23 and constitute circulation pipe
Road.Sludge pipe 26 and blow-down pipe 27 are also connected on the circulation line, specifically, circulation enters mud pipe 22 into mud horn mouth knot
19 connecting pin of structure connects sludge pipe 26, and 25 connecting pin of circulating pump of circulation enters mud pipe 22 connects blow-down pipe 27, and sludge pipe 26 can connect
Primary sedimentation tank is connect, the useless mud after sludge disintegration is driven by primary sedimentation tank by circulating pump 25, recycling treatment is realized, recycles enters mud pipe
It also is provided with electromagnetic flowmeter 30 on 22, facilitates and is measured, blow-down pipe 27 is put All Media in fermentor 1 by circulating pump 25
Sky, it is easy to repair, cut-off is respectively equipped on the circulation enters mud pipe 22, circulating reflux general pipeline 24, sludge pipe 26 and blow-down pipe 27
Valve.
The side of the fermentor 1 is additionally provided with multiple sample taps 28, and multiple sample taps 28 are high from the side of fermentor 1
Position is uniformly distributed to other side low level, and the sample tap 28 is circumscribed with probe tube 29, is again provided with cut-off on the probe tube 29
Valve.The quantity of sample tap 28 shown in fig. 5 is five.
Referring to Fig. 6, without the civil engineering facility other than basis, as long as connecting enters mud pipe road, sludge pipe, carbon source pipe and power supply,
The present apparatus will be by the sludge disintegration of inflow at useless mud and tunning, and specific work process is as follows: into dredge pump work, by into
Mud pipeline, which squeezes into the primary sludge in primary sedimentation tank blowoff chamber inside fermentor 1 from the top of fermentor 1, to ferment, heating rod
4 heating assisted fermentations；Circulating pump 25 works, and passes through the Hydraulic Circulation area inside the circulation line and fermentor 1 of 1 bottom of fermentor
Hydraulic Circulation is formed, realizes stirring sludge, agitated sludge and water is mainly separated in mud-water separating area 11, and the fermentation on upper layer produces
High fermentation product discharge area 12 of the object on 11 top of mud-water separating area is discharged by way of overflow, is flow to by UPVC pipe 14
In holding vessel, pump is then added by carbon source and carbon source pipe is thrown into the anti-pond of life nearby, can be provided for biological denitrificaion excellent
Matter carbon source reduces water outlet total nitrogen, improves discharge standard；Useless mud after sludge disintegration still enters original Treatment of Sludge process, then
It is secondary to be driven into primary sedimentation tank, realize that recycling sludge utilizes.
Single set present apparatus is applicable in 1000 ~ 10000m of sewage treatment plant's scale3/ d, into mud moisture content 98 ~ 97%.
Under optimum condition: 0.3 ~ 0.5mgSCOD/mgVSS of tunning SCOD yield；Volatile fatty acid VFA yield 0.2
~0.3mgVFA/mgVSS；Maximum 20 ~ 25mgN/gVSS of denitrification rate h；TN and TP removal rate improves about 50 ~ 70%.
It should be pointed out that can also have the embodiment of a variety of transformation and remodeling for the present invention through absolutely proving,
It is not limited to the specific embodiment of above embodiment.Above-described embodiment as just explanation of the invention, rather than to this
The limitation of invention.In short, protection scope of the present invention should include that those are apparent to those skilled in the art
Transformation or substitution and remodeling.
Claims (10)
1. a kind of integrated apparatus for preparing organic carbon source using primary sludge, including fermentor, which is characterized in that the fermentation
The top of tank is equipped with mud inlet and heating rod installs preformed hole, and the mud inlet is circumscribed with by enters mud pipe road into dredge pump, described
Insertion is equipped with more heating rods in heating rod installation preformed hole；The inside of the fermentor is divided by partition to be located in the middle
Hydraulic Circulation area and mud-water separating area positioned at surrounding, the Hydraulic Circulation, which is divided into, to be located in the middle waterpower rising area and is located at
The waterpower descending area of surrounding, the waterpower rising area, waterpower descending area are connected with mud-water separating area；The correspondence of the fermentor
High fermentation product outlet is equipped at the top of mud-water separating area, the high fermentation product outlet is circumscribed with high fermentation
Product discharge pipe；The bottom of the fermentor is equipped with into mud bell-mouth structure of air and reflux bell-mouth structure of air, described into mud horn mouth
Structure is connected to the inside of the bottom centre of fermentor in big top and small bottomly, is circumscribed with and is recycled into mud into mud bell-mouth structure of air
Pipe, the quantity of the reflux bell-mouth structure of air are that multiple and multiple reflux bell-mouth structure of air are evenly distributed in into mud horn mouth knot
The side of structure, reflux bell-mouth structure of air are connected to the outside of the bottom of fermentor, each reflux horn mouth in big top and small bottomly
Structure is circumscribed with a circulating reflux branch pipe, and multiple circulating reflux branch pipes, which collect, is connected with circulating reflux general pipeline, the circulation
Enters mud pipe and circulating reflux general pipeline are connected to the two sides of a circulating pump, circulation enters mud pipe, circulating reflux general pipeline and multiple follow
Loopback stream branch pipe constitutes circulation line.
2. the integrated apparatus according to claim 1 for preparing organic carbon source using primary sludge, which is characterized in that described
Partition includes annular inner baffle and annular outer baffle, and the annular inner baffle and annular outer baffle are coaxial and be arranged inside and outside, annular
Internal partition and annular outer baffle pass through fixation steel plate and the inner wall of fermentor connects, and annular inner baffle and annular outer baffle will be sent out
Fermentation tank inner space is divided into waterpower rising area, waterpower descending area and mud-water separating area from inside to outside.
3. the integrated apparatus according to claim 2 for preparing organic carbon source using primary sludge, which is characterized in that described
The top of fermentor and the entirety at top are in the high shape in the low centre of surrounding, and the upper surface of the annular outer baffle is higher than annular inner baffle
Upper surface, the top of annular outer baffle is in up-small and down-big gathering shape, and the lower part of the fermentor and the entirety of bottom are in four
Low shape between Zhou Gaozhong, the lower end surface of the annular inner baffle are lower than the lower end surface of annular outer baffle.
4. the integrated apparatus according to claim 2 or 3 for preparing organic carbon source using primary sludge, which is characterized in that
The partition further includes annular mud-water separation partition, and the annular mud-water separation partition is set to the top of mud-water separating area, ring
Shape mud-water separation partition is coaxial with annular outer baffle and is set to the side on the top of annular outer baffle, annular mud-water separation partition
It is connected in the inner wall of the up-small and down-big lower end for collapsing shape and annular mud-water separation partition and fermentor, the annular mud-water separation
Partition makes the top side of mud-water separating area be divided into high fermentation product discharge area, and the correspondence high fermentation of the fermentor produces
High fermentation product outlet is set at object discharge area.
5. the integrated apparatus according to claim 1 for preparing organic carbon source using primary sludge, which is characterized in that described
Automatic exhaust steam valve and pressure gauge are circumscribed at the top of fermentor, the lower part of fermentor is circumscribed with thermometer and pH meter.
6. the integrated apparatus according to claim 1 for preparing organic carbon source using primary sludge, which is characterized in that described
Electromagnetic flowmeter is respectively equipped in enters mud pipe road and circulation enters mud pipe.
7. the integrated apparatus according to claim 1 for preparing organic carbon source using primary sludge, which is characterized in that described
Sludge pipe and blow-down pipe are also connected on circulation line, on the circulation enters mud pipe, circulating reflux general pipeline, sludge pipe and blow-down pipe
It is respectively equipped with shut-off valve.
8. the integrated apparatus according to claim 1 for preparing organic carbon source using primary sludge, which is characterized in that described
The side of fermentor is additionally provided with multiple sample taps, and a side high position for multiple sample taps from fermentor is uniform to other side low level
Distribution, the sample tap are circumscribed with probe tube, and the probe tube is equipped with shut-off valve.
9. the integrated apparatus according to claim 1 for preparing organic carbon source using primary sludge, which is characterized in that also wrap
Holding vessel is included, the high fermentation product discharge pipe is connect with holding vessel, and high fermentation product is arranged by way of overflow
It puts to holding vessel.
10. the integrated apparatus according to claim 1 for preparing organic carbon source using primary sludge, which is characterized in that also
Including temperature monitoring system, the temperature monitoring system is connect with heating rod.
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| CN201811603008.1A CN109574431A (en) | 2018-12-26 | 2018-12-26 | A kind of integrated apparatus preparing organic carbon source using primary sludge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113603215A (en) * | 2021-07-21 | 2021-11-05 | 清华大学 | Biomass carbon source and preparation method and application thereof |
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| CN102502960A (en) * | 2011-12-26 | 2012-06-20 | 陕西清源环境实业有限公司 | Gas-liquid blending and stirring device of sewage-sludge complete mixing type anaerobic fermentation tank and treatment method thereof |
| KR101552320B1 (en) * | 2014-09-12 | 2015-09-10 | 서울과학기술대학교 산학협력단 | Energy use for heating in the aerobic fermentation balhyoyeol large sewer-wastewater thickened sludge anaerobic digestion system |
| JP2016083598A (en) * | 2014-10-23 | 2016-05-19 | 株式会社松本鉄工所 | Anaerobic digestion treatment system and method for organic slurry |
| CN209522746U (en) * | 2018-12-26 | 2019-10-22 | 上海市政工程设计研究总院（集团）有限公司 | A kind of integrated apparatus preparing organic carbon source using primary sludge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102502960A (en) * | 2011-12-26 | 2012-06-20 | 陕西清源环境实业有限公司 | Gas-liquid blending and stirring device of sewage-sludge complete mixing type anaerobic fermentation tank and treatment method thereof |
| KR101552320B1 (en) * | 2014-09-12 | 2015-09-10 | 서울과학기술대학교 산학협력단 | Energy use for heating in the aerobic fermentation balhyoyeol large sewer-wastewater thickened sludge anaerobic digestion system |
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| CN209522746U (en) * | 2018-12-26 | 2019-10-22 | 上海市政工程设计研究总院（集团）有限公司 | A kind of integrated apparatus preparing organic carbon source using primary sludge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113603215A (en) * | 2021-07-21 | 2021-11-05 | 清华大学 | Biomass carbon source and preparation method and application thereof |
| CN113603215B (en) * | 2021-07-21 | 2022-09-30 | 清华大学 | Biomass carbon source and preparation method and application thereof |
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