CN105293851A - Sludge solar enhanced biological treatment process and device - Google Patents
Sludge solar enhanced biological treatment process and device Download PDFInfo
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- CN105293851A CN105293851A CN201510820575.2A CN201510820575A CN105293851A CN 105293851 A CN105293851 A CN 105293851A CN 201510820575 A CN201510820575 A CN 201510820575A CN 105293851 A CN105293851 A CN 105293851A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The invention discloses a sludge solar enhanced biological treatment process and device. The process includes the steps as follows: 1) mixing dewatered sludge of moisture content below 80%, a conditioner and an aerobic biological agent for oxidative decomposition of sludge in a raw material mixing and blending system, and adjusting the sludge moisture content to below 70%; 2) sending the mixture obtained in the step 1) to a solar enhanced biological treatment system, and reducing the moisture content to below 40%; and 3) sending the mixture obtained in the step 2) into a crushing and screening system for fermentation, and grading the sludge. The sludge solar enhanced biological treatment process conducts treatment on residual sludge generated in a sewage plant, and meets the environmental requirements of the country or region planning.
Description
Technical field
The present invention relates to the biological reinforced treatment process of a kind of mud sun power and device.
Background technology
Mud is that municipal sewage plant's dirty water pollutant in process of purifying waste water is adsorbed, shifts or suspended solid precipitation and the product that formed.It is estimated, the sludge quantity (dry weight) that municipal sewage plant of current China discharges every year is approximately 9,000,000 tons, account for 3.2% of China's total solids waste, and annual growth is greater than 10%.At present, sludge of sewage treatment plant minimizing ability wretched insufficiency, the therefore current treatment process in the urgent need to a kind of sludge reduction, resource utilization, ensure that mud that sewage work produces is by disposing coincidently section planning requirement.
Summary of the invention
The technical problem to be solved in the present invention is current sludge of sewage treatment plant minimizing ability wretched insufficiency.
The biological reinforced treatment process of mud sun power provided by the invention, comprises the steps:
1) dewatered sludge of water ratio below 80%, amendment and can mix to allocate below moisture percentage in sewage sludge to 70% in raw material mixing preparation system to the aerobe microbial inoculum that mud carries out oxygenolysis, wherein said amendment is one of them or its combination of wheat bran and sawdust; Wherein, the dewatered sludge of water ratio below 80%, amendment and the part by weight that can carry out the aerobe microbial inoculum of oxygenolysis to mud are 80-90:0-20:0-1;
2) mixture that step 1) obtains is delivered to sun power bio-augmentation treatment system, the biological reinforced system of sun power comprises the sun board house that top is transparent material, high temperature Po Jiao district and sun power dehydration and drying district is divided in sun board house, at the high temperature of sun board house, described mixture breaks that suburb is stacked into is highly the dust of more than 50cm, due to the effect of microorganism in aerobe microbial inoculum, in mud, there is broken glue reaction; After reaction, mixture is transported to the tiling of sun power dehydration and drying district and utilizes solar energy desiccation for the mud layer that thickness is below 10cm, makes water ratio be down to less than 40%;
3) step 2) mixture that obtains enters pulverizing-screening system and carries out sludge classification process after humic after process.
Preferably, the screen overflow that in step 3), the rear particle diameter of screening is greater than 2cm is dewatered sludge, and return raw material mixing preparation system, screen underflow is humic product; Wherein, the part by weight of dewatered sludge that the microbial preparation of the dewatered sludge of water ratio below 80%, amendment, promotion sludge dehydration speed and step 3) return is respectively 50-90:0-20:0-1:0-50.
Preferably, the screen underflow that step 3) obtains enters humic product depth system of processing.
Preferably, step 2) mixture that obtains for step 1) is delivered to sun power bio-augmentation treatment system, and enter into the high temperature Po Jiao district of sun board house, piling in high temperature Po Jiao district is highly more than 50cm rectangular bars buttress, and is furnished with turnover throwing machine timing every day and turns over throwing; The breeding of aerobe microbial inoculum makes mud bar pile up neatly temperature and rises to rapidly 25-75 DEG C to carry out the destruction of mud colloid; After high temperature Po Jiao district runs 1-5 days, mixture enters sun power dehydration and drying district, tile as thickness is the mud layer of below 10cm, under the acting in conjunction of sun board house inner turnover throwing machine, geothermal system and ventilation system, make to carry out in high temperature Po Jiao district the mud rapid dehydration that high temperature breaks glue, until water ratio is reduced to less than 40%.
The present invention also provides a kind of mud sun power biological reinforced treatment unit, comprising: raw material mixing preparation system, sun power bio-augmentation treatment system and pulverizing-screening system,
Raw material mixing preparation system comprises: dewatered sludge bin, amendment bin, back-mixing mud bin, microorganism storing unit, mixing and blending machine, for the dewatered sludge of dewatered sludge bin is delivered to mixing and blending machine dewatered sludge e Foerderanlage, be used for the amendment of amendment bin to be delivered to the amendment e Foerderanlage of mixing and blending machine and be used for the dewatered sludge of back-mixing mud bin to be delivered to the back-mixing sludge conveyer of mixing and blending machine;
The biological reinforced system of sun power comprises: sun board house, geothermal system, mummification cell body, for the mud in mummification cell body is turned over throw and pass turnover throwing machine and ventilation system; Sun board house, its top is transparent material, is provided with ventilation opening at the top of this sun board house, is divided into high temperature Po Jiao district and sun power dehydration and drying district in sun board house; Mummification cell body, above the floor being arranged at sun board house;
Pulverizing-screening system comprises: crusher, sieve apparatus, be delivered to the e Foerderanlage of screen overflow bin for the product of crusher being delivered to the e Foerderanlage of sieve apparatus, screen overflow bin and the screen overflow that is used for being sifted out by sieve apparatus;
Wherein, the e Foerderanlage mixture in mixing and blending machine being delivered to the biological reinforced system of sun power is provided with between the biological reinforced system of sun power and mixing and blending machine; The e Foerderanlage that the mud after by biological reinforced for sun power system process is delivered to crusher is provided with between the biological reinforced system of sun power and crusher; E Foerderanlage is provided with between screen overflow bin and back-mixing mud bin; E Foerderanlage is provided with between screen overflow bin and the biological reinforced system of sun power.
Preferably, the above-mentioned biological reinforced treatment unit of mud sun power, also comprise: humic product depth system of processing, it comprises: humic product bin, humic Product processing workshop and the e Foerderanlage for the humic product of humic product bin being delivered to humic Product processing workshop; The humic product be provided with between humic product bin and sieve apparatus for being sifted out by sieve apparatus is delivered to the e Foerderanlage of humic product bin.
Preferably, the stacking mud height in high temperature Po Jiao district is more than 50cm, and the mud paving thickness in sun power dehydration and drying district is below 10cm.
Preferably, the biological reinforced system of sun power also comprises geothermal system and ventilation system; Geothermal system is laid in the floor in sun power dehydration and drying district of solar energy housing; Ventilation system comprises induced draft fan, for controlling air flow management system and the deodoration system of induced draft fan running, the ventilation opening place at the top of sun board house is located at by induced draft fan, and deodoration system is communicated with the air outlet of induced draft fan.Preferably, described geothermal system is hydro-thermal pipeline.
Preferably, one of them or its combination of worm conveyor or load wagon is for the dewatered sludge of dewatered sludge bin being delivered to the dewatered sludge e Foerderanlage of mixing and blending machine, the amendment e Foerderanlage being used for the amendment of amendment bin to be delivered to mixing and blending machine, the back-mixing sludge conveyer being used for the dewatered sludge of back-mixing mud bin to be delivered to mixing and blending machine, the e Foerderanlage mixture in mixing and blending machine being delivered to the biological reinforced system of sun power and the e Foerderanlage that is used for the product of crusher to be delivered to sieve apparatus; The e Foerderanlage that the e Foerderanlage that screen overflow for being sifted out by sieve apparatus is delivered to screen overflow bin and the humic product being used for sieve apparatus to sift out are delivered to humic product bin is rotary conveyor.
The present invention can reach following beneficial effect:
1, adopt the biological reinforced treatment process of mud sun power of the present invention, can the excess sludge that sewage work produces be processed, meet country planning environmental requirement.And, the each device adopted in the present invention is existing commercially available prod, sludge reduction, disposal of resources requirement is not possessed when being used alone, only have after combining and can be the requirement that mud reaches minimizing, resource utilization after specifically using in order, there is the advantage that floor space is little, the treatment time is short, processing efficiency is high, reduce foul smell and toxic gas discharge.
In the high temperature Po Jiao district of 2, the biological reinforced system of sun power, mud temperature can be elevated to 55 ~ 75 DEG C, and maintain the reaction in 1 ~ 2 day of this temperature, wherein pathogenic agent, worm's ovum, plant seed are almost all eliminated; The solar energy desiccation drying zone of the biological reinforced system of sun power, can improve temperature rise rate and operation stability that biological reinforced high temperature breaks glue dehydration sub-system, and remove moisture in mud further, reach the object of sewage sludge harmlessness, minimizing.
Accompanying drawing explanation
Fig. 1 is the device schematic diagram of the biological reinforced process of mud sun power of the present invention.
Fig. 2 is the internal structure schematic diagram of sun power bio-augmentation treatment system of the present invention.
Fig. 3 is mud water ratio and mud temperature change curve in time in sun power bio-augmentation treatment system.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, can better understand the present invention and can be implemented, but illustrated embodiment is not as a limitation of the invention to make those skilled in the art.
As shown in Figure 1, the biological reinforced treatment unit of mud sun power of the present invention, comprising: raw material mixing preparation system, sun power bio-augmentation treatment system, pulverizing-screening system and humic product depth system of processing,
Raw material mixing preparation system comprises: dewatered sludge bin 1, amendment bin 3, back-mixing mud bin 5, microorganism storing unit 3 ', mixing and blending machine 7, for the dewatered sludge of dewatered sludge bin 1 is delivered to mixing and blending machine 7 dewatered sludge e Foerderanlage 2, be used for the amendment of amendment bin 3 to be delivered to the amendment e Foerderanlage 4 of mixing and blending machine 7 and be used for the dewatered sludge of back-mixing mud bin 5 to be delivered to the back-mixing sludge conveyer 6 of mixing and blending machine 7;
As shown in Figure 2, the biological reinforced system 10 of sun power comprises: sun board house 100, geothermal system 120, mummification cell body 130, for the mud in mummification cell body 130 is turned over throw and pass turnover throwing machine 140 and ventilation system; Wherein sun board house 100, its top is transparent material, is provided with ventilation opening 110 at the top of this sun board house, is divided into high temperature Po Jiao district 101 and sun power dehydration and drying district 102 in sun board house 100; Geothermal system 120(temperature is the delivery pipeline of 70 ~ 80 DEG C), uniform spreading is located in the floor 102 in sun power dehydration and drying district 101 of sun board house 100; Mummification cell body 130, above the floor 102 being arranged at sun board house 100; Ventilation system comprises induced draft fan 150, for controlling air flow management system (not shown) and the deodoration system 151 of induced draft fan 150 running, the ventilation opening place at the top of sun board house 100 is located at by induced draft fan 150, and deodoration system 151 is communicated with the air outlet of induced draft fan 150 (foul smell in solar energy housing is caused that deodoration system processes by induced draft fan); Fan 160, is arranged in sun board house 100, is fixed on its top, to strengthen air flowing;
Pulverizing-screening system comprises: crusher 12, cylinder round sifter 14, for the product of crusher 12 being delivered to the e Foerderanlage of sieve apparatus 14, screen overflow bin 20 and being used for the screen overflow that sieve apparatus 14 sifts out to be delivered to the e Foerderanlage 19 of screen overflow bin 20;
Humic product depth system of processing comprises: humic product bin 16, humic Product processing workshop 18 and the e Foerderanlage 17 for the humic product of humic product bin 16 being delivered to humic Product processing workshop 18.
Wherein, the e Foerderanlage (worm conveyor 8 and the load wagon 9) mixture in mixing and blending machine 7 being delivered to the biological reinforced system of sun power is provided with between the biological reinforced system of sun power 10 and mixing and blending machine 7; The e Foerderanlage 11(load wagon that the mud after by biological reinforced for sun power system process is delivered to crusher is provided with) between the biological reinforced system of sun power and crusher 12; E Foerderanlage 22 is provided with between screen overflow bin 20 and back-mixing mud bin 6; E Foerderanlage 21 is provided with between screen overflow bin 20 and the biological reinforced system of sun power.The humic product be provided with between humic product bin 16 and sieve apparatus 14 for being sifted out by sieve apparatus 14 is delivered to the e Foerderanlage of humic product bin 16.
For the dewatered sludge of dewatered sludge bin being delivered to the dewatered sludge e Foerderanlage 2 of mixing and blending machine, for the amendment of amendment bin being delivered to the amendment e Foerderanlage 4 of mixing and blending machine, for the dewatered sludge of back-mixing mud bin being delivered to the back-mixing sludge conveyer 6 of mixing and blending machine, mixture in mixing and blending machine is delivered to the e Foerderanlage of the biological reinforced system of sun power, the e Foerderanlage 11 mud after biological reinforced for sun power system process being delivered to crusher and the e Foerderanlage 13 being used for the product of crusher to be delivered to sieve apparatus are one of them or its combination of worm conveyor or load wagon, the e Foerderanlage 15 that the e Foerderanlage 19 that screen overflow for being sifted out by sieve apparatus is delivered to screen overflow bin and the humic product being used for sieve apparatus to sift out are delivered to humic product bin is rotary conveyor.
Material in raw sludge bin 1, amendment bin 3, back-mixing dewatered sludge bin is carried by worm conveyor by the pan feeding of raw material mixing preparation system, and one section of high temperature that the deployed mud of mix and blend is transported in sun power bio-augmentation treatment system 10 by rotary conveyor 8 and shovel loader 9 breaks glue conversion zone.
Biological reinforced high temperature can be carried out in sun power bio-augmentation treatment system and break glue dehydration and solar energy desiccation dewaters two steps, biological reinforced high temperature breaks glue dehydrating step, temperature of reaction is 55 ~ 75 DEG C, reaction times is 4 ~ 5 days, carry out oxygenolysis by means of microorganism to gas chromatography, under the effect of enzyme, colloid is destroyed, and makes organism be converted into humic-like substance, pathogeny bacterium, parasitic ovum, weed seed are almost all killed, and volatile component reduces and stink reduces.Break after glue through high-temperature biological, mud decrement about 50%, water ratio drops to less than 50%; Solar energy desiccation dehydration point, improves temperature rise rate and operation stability that biological reinforced high temperature breaks glue dehydration sub-system, and removes moisture in mud further, make moisture percentage in sewage sludge drop to less than 40%, reach the object of sewage sludge harmlessness, minimizing.In drying process, mud temperature control 30 ~ 40 DEG C (temperature mainly by ventilating summer, the mode of heating in winter water pipe controls, winter, the cycling hot water yield can by heat calculation out, summer is when temperature is higher than 40 DEG C, lowered the temperature by ventilation opening, can ensure that temperature reaches stationary value), the mummification cycle is 3 ~ 7 days.This system, on the basis utilizing sun power, is aided with geothermal system and automatic turning polishing system.
Dewatered sludge after the process of sun power bio-augmentation treatment system is transported in crusher 12 by e Foerderanlage (load wagon) 11, can regulate within the specific limits as required and control degree of grinding, the dewatered sludge after pulverizing be delivered in cylinder round sifter 14 by e Foerderanlage (worm conveyor) 13.
Dewatered sludge carries out finished product classification by cylinder round sifter 14, the screen overflow of progression comparatively large (particle diameter is larger) is transported to back-mixing mud bin by e Foerderanlage (rotary conveyor, shovel loader) etc., back-mixing allotment is carried out to raw sludge, the uniform screen underflow of the less finished product of progression is delivered in humic product bin 16 by e Foerderanlage (rotary conveyor) 15, be transported in humic product depth job shop 18 by e Foerderanlage (shovel loader) 17, complete finished product deep processing.
The smell produced in the sludge disposal process of sun power bio-augmentation treatment system can cause the kickback of staff and nearby residents, therefore causes in deodoration system by induced draft fan by foul smell in the space closed, centrally disposes foul smell.
Utilize said apparatus, the invention provides the biological reinforced associated treatment technique of a kind of mud sun power, it passes through the cooperative disposal of sludge organism intensive treatment and solar energy desiccation, innoxious, recycling treatment is efficiently carried out to municipal sludge, every Testing index of mud is up to state standards in the short period of time.Concrete steps are as follows:
1) dewatered sludge that the dewatered sludge of water ratio below 80%, amendment, aerobe microbial inoculum (the aerobic bacterial classification for sludge treatment) and step 3) return mixes to allocate below moisture percentage in sewage sludge to 70% in raw material mixing preparation system, and wherein said amendment is wheat bran and sawdust; Wherein, if the bacterial classification that the part by weight of the dewatered sludge that the microbial preparation of the dewatered sludge of water ratio below 80%, amendment, promotion sludge dehydration speed and step 3) return is respectively in the dewatered sludge that 80-90:0-20:0-1(step 3) returns is enough, aerobe microbial inoculum can not be added): 0-50.
2) mixture that step 1) obtains is delivered to sun power bio-augmentation treatment system, the biological reinforced system of sun power comprises the sun board house that top is transparent material, it is highly the dust of more than 50cm that described mixture is stacked in the high temperature Po Jiao district of solar energy housing, because broken glue reaction occurs microbial process dust; After reaction, mixture is transported to sun power dehydration and drying district, and tiling as thickness is below 10cm, mud layer utilizes solar energy desiccation, makes water ratio be down to less than 40%.Particularly, after the dewatered sludge that the microbial preparation of dewatered sludge, amendment, promotion sludge dehydration speed and step 3) return mixes in raw material mixing preparation system, enter into the high temperature Po Jiao district of sun board house, piling in high temperature Po Jiao district is highly more than 50cm rectangular bars buttress, and is furnished with timing turnover throwing machine every day and turns over throwing; The breeding of aerobe microbial inoculum makes mud bar pile up neatly temperature and rises to rapidly 25-75 DEG C to carry out the destruction of mud colloid; After high temperature Po Jiao district runs 1-5 days, mixture enters sun power dehydration and drying district, tile as thickness is the mud layer of below 10cm, under the acting in conjunction of sun board house inner turnover throwing machine, geothermal system and ventilation system, make to carry out in high temperature Po Jiao district the mud rapid dehydration that high temperature breaks glue, until water ratio is reduced to less than 40%.
3) step 2) mixture that obtains enters pulverizing-screening system and carries out sludge classification process after humic after process, the screen overflow that particle diameter after screening is greater than 2cm is dewatered sludge, return raw material mixing preparation system, screen underflow is humic product introduction humic product depth system of processing.
Embodiment 1
Getting the dewatered sludge 30t that water ratio is less than 80% is transported to raw sludge bin from municipal sewage plant through transport trolley, be delivered in mixing and blending machine by worm conveyor (or load wagon), be uniformly mixed allocate with amendment (wheat bran, sawdust), aerobe microbial inoculum (thermophilic fungi and thermophilic actinomycetes etc. can be comprised to the aerobe microbial inoculum that mud carries out oxygenolysis), the rate that adds of amendment is 10% of total amount after mixing, aerobe microbial inoculum addition is 100 kilograms, and after allotment, moisture percentage in sewage sludge is 70%.
After raw sludge, amendment and microbial inoculum mix, be delivered in sun power bio-augmentation treatment system, carry out biological reinforced auxiliary solar energy desiccation process.In high temperature Po Jiao district, mixed sludge is of a size of long 12m × wide 8m × high 0.5m, and after broken glue process, mud enters sun power dehydration and drying district, tiles as thickness is the mud layer of below 10cm.Mud in sun power bio-augmentation treatment system water ratio and mud temperature change curve is as shown in Figure 3 in time.
Dewatered sludge is after inoculation microbial inoculum in 12 hours, temperature is increased to rapidly 69 DEG C, and in after inoculation 3 days, all remain on the high temperature of about 70 DEG C, top temperature is 74 DEG C, thus to guarantee in mud that colloid can broken wall, make organism be converted into humic-like substance, pathogeny bacterium, parasitic ovum, weed seed etc. are all killed simultaneously, and volatile component reduces and stink reduces.Mud every morning and afternoon respectively turn over throwing once.Along with the continuous reduction of sludge moisture content, mud temperature slowly declines.And because mud is through high temperature broken wall, and under the effect of solar energy desiccation system, in mud, the removal speed of moisture is constantly accelerated, last basic arrival is constant.Through the process of 7 day time, moisture percentage in sewage sludge is 37%, reaches the requirement of sludge treatment, and extend the sludge treatment time further, moisture percentage in sewage sludge can be reduced to 33% further.The mud obtained after process enters pulverizing-screening system and carries out sludge classification process after humic, and the screen overflow after screening is that dewatered sludge returns raw material mixing preparation system, and screen underflow is humic product introduction humic product depth system of processing.
Detect through authoritative institution, the indexs such as the water ratio of lignin-sludge, organic matter, calorific value and excrement colibacillus group all meet relevant national standard.
Comparative example 1
Getting the dewatered sludge 30t that water ratio is less than 80% is transported to raw sludge bin from municipal sewage plant through transport trolley, be delivered in mixing and blending machine by worm conveyor (or load wagon), carry out being uniformly mixed allocating with amendment (wheat bran, sawdust), the rate that adds of amendment is 10% of total amount after mixing.But in allocation process, do not add aerobe microbial inoculum.
After raw sludge, amendment mix, be delivered in sun power bio-augmentation treatment system, operational process is consistent with embodiment 1.Through the solar energy desiccation process of 15 days, moisture percentage in sewage sludge was reduced to 38% by about 70%.This embodiment illustrates owing to not adding aerobe microbial inoculum, and lack biological reinforced high temperature broken wall and dewater auxiliary, mud removal speed of moisture content in sun power bio-augmentation treatment system obviously reduces.
Comparative example 2
Getting the dewatered sludge 30t that water ratio is less than 80% is transported to raw sludge bin from municipal sewage plant through transport trolley, be delivered in mixing and blending machine by worm conveyor (or load wagon), carry out being uniformly mixed allocating with amendment (wheat bran, sawdust), microbial inoculum, the rate that adds of amendment is 10% of total amount after mixing.
Deployed mud only carries out biological dewatered dehydration, and do not open solar energy desiccation dehydration sub-system, afternoon every morning period respectively turns over throwing twice.Mud was through the aerobic fermentation process of 14 days, and the moisture percentage in sewage sludge after allotment is reduced to 36% from 70%.It can thus be appreciated that if lack solar energy desiccation dehydration sub-system, only by biology aerobic fermentation dehydration, its rate of water loss breaks glue dehydration and solar energy desiccation well below biological reinforced high temperature and to dewater the rate of water loss of mud under two sub-systems synergies.
The above embodiment is only that protection scope of the present invention is not limited thereto in order to absolutely prove the preferred embodiment that the present invention lifts.The equivalent alternative or conversion that those skilled in the art do on basis of the present invention, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. the biological reinforced treatment process of mud sun power, is characterized in that, comprise the steps:
1) dewatered sludge of water ratio below 80%, amendment and can mix to allocate below moisture percentage in sewage sludge to 70% in raw material mixing preparation system to the aerobe microbial inoculum that mud carries out oxygenolysis, wherein said amendment is one of them or its combination of wheat bran and sawdust; Wherein, the dewatered sludge of water ratio below 80%, amendment and the part by weight that can carry out the aerobe microbial inoculum of oxygenolysis to mud are 80-90:0-20:0-1;
2) mixture that step 1) obtains is delivered to sun power bio-augmentation treatment system, the biological reinforced system of sun power comprises the sun board house that top is transparent material, high temperature Po Jiao district and sun power dehydration and drying district is divided in sun board house, at the high temperature of sun board house, described mixture breaks that suburb is stacked into is highly the dust of more than 50cm, due to the effect of microorganism in aerobe microbial inoculum, in mud, there is broken glue reaction; After reaction, mixture is transported to the tiling of sun power dehydration and drying district and utilizes solar energy desiccation for the mud layer that thickness is below 10cm, makes water ratio be down to less than 40%;
3) step 2) mixture that obtains enters pulverizing-screening system and carries out sludge classification process after humic after process.
2. the biological reinforced treatment process of mud sun power according to claim 1, is characterized in that, the screen overflow that in step 3), the rear particle diameter of screening is greater than 2cm is dewatered sludge, and return raw material mixing preparation system, screen underflow is humic product; Wherein, the part by weight of dewatered sludge that the microbial preparation of the dewatered sludge of water ratio below 80%, amendment, promotion sludge dehydration speed and step 3) return is respectively 50-90:0-20:0-1:0-50.
3. the biological reinforced treatment process of mud sun power according to claim 1, is characterized in that, the screen underflow that step 3) obtains enters humic product depth system of processing.
4. the biological reinforced treatment process of mud sun power according to claim 1, is characterized in that,
Step 2) mixture that obtains for step 1) is delivered to sun power bio-augmentation treatment system, and enter into the high temperature Po Jiao district of sun board house, piling in high temperature Po Jiao district is highly more than 50cm rectangular bars buttress, and is furnished with turnover throwing machine timing every day and turns over throwing; The breeding of aerobe microbial inoculum makes mud bar pile up neatly temperature and rises to rapidly 25-75 DEG C to carry out the destruction of mud colloid; After high temperature Po Jiao district runs 1-5 days, mixture enters sun power dehydration and drying district, tile as thickness is the mud layer of below 10cm, under the acting in conjunction of sun board house inner turnover throwing machine, geothermal system and ventilation system, make to carry out in high temperature Po Jiao district the mud rapid dehydration that high temperature breaks glue, until water ratio is reduced to less than 40%.
5. the biological reinforced treatment unit of mud sun power, is characterized in that, comprising: raw material mixing preparation system, sun power bio-augmentation treatment system and pulverizing-screening system,
Raw material mixing preparation system comprises: dewatered sludge bin, amendment bin, back-mixing mud bin, microorganism storing unit, mixing and blending machine, for the dewatered sludge of dewatered sludge bin is delivered to mixing and blending machine dewatered sludge e Foerderanlage, be used for the amendment of amendment bin to be delivered to the amendment e Foerderanlage of mixing and blending machine and be used for the dewatered sludge of back-mixing mud bin to be delivered to the back-mixing sludge conveyer of mixing and blending machine;
The biological reinforced system of sun power comprises: sun board house, geothermal system, mummification cell body, for the mud in mummification cell body is turned over throw and pass turnover throwing machine and ventilation system; Sun board house, its top is transparent material, is provided with ventilation opening at the top of this sun board house, is divided into high temperature Po Jiao district and sun power dehydration and drying district in sun board house; Mummification cell body, above the floor being arranged at sun board house;
Pulverizing-screening system comprises: crusher, sieve apparatus, be delivered to the e Foerderanlage of screen overflow bin for the product of crusher being delivered to the e Foerderanlage of sieve apparatus, screen overflow bin and the screen overflow that is used for being sifted out by sieve apparatus;
Wherein, the e Foerderanlage mixture in mixing and blending machine being delivered to the biological reinforced system of sun power is provided with between the biological reinforced system of sun power and mixing and blending machine; The e Foerderanlage that the mud after by biological reinforced for sun power system process is delivered to crusher is provided with between the biological reinforced system of sun power and crusher; E Foerderanlage is provided with between screen overflow bin and back-mixing mud bin; E Foerderanlage is provided with between screen overflow bin and the biological reinforced system of sun power.
6. the biological reinforced treatment unit of mud sun power according to claim 5, it is characterized in that, also comprise: humic product depth system of processing, it comprises: humic product bin, humic Product processing workshop and the e Foerderanlage for the humic product of humic product bin being delivered to humic Product processing workshop; The humic product be provided with between humic product bin and sieve apparatus for being sifted out by sieve apparatus is delivered to the e Foerderanlage of humic product bin.
7. the biological reinforced treatment unit of mud sun power according to claim 5, is characterized in that, the stacking mud height in high temperature Po Jiao district is more than 50cm, and the mud paving thickness in sun power dehydration and drying district is below 10cm.
8. the biological reinforced treatment unit of mud sun power according to claim 5, is characterized in that, the biological reinforced system of sun power also comprises geothermal system and ventilation system; Geothermal system is laid in the floor in sun power dehydration and drying district of solar energy housing; Ventilation system comprises induced draft fan, for controlling air flow management system and the deodoration system of induced draft fan running, the ventilation opening place at the top of sun board house is located at by induced draft fan, and deodoration system is communicated with the air outlet of induced draft fan.
9. the biological reinforced treatment unit of mud sun power according to claim 8, is characterized in that, described geothermal system is hydro-thermal pipeline.
10. the biological reinforced treatment unit of mud sun power according to claim 5, it is characterized in that, for the dewatered sludge of dewatered sludge bin being delivered to the dewatered sludge e Foerderanlage of mixing and blending machine, for the amendment of amendment bin being delivered to the amendment e Foerderanlage of mixing and blending machine, for the dewatered sludge of back-mixing mud bin being delivered to the back-mixing sludge conveyer of mixing and blending machine, e Foerderanlage mixture in mixing and blending machine being delivered to the biological reinforced system of sun power and the e Foerderanlage being used for the product of crusher to be delivered to sieve apparatus are one of them or its combination of worm conveyor or load wagon, the e Foerderanlage that the e Foerderanlage that screen overflow for being sifted out by sieve apparatus is delivered to screen overflow bin and the humic product being used for sieve apparatus to sift out are delivered to humic product bin is rotary conveyor.
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