CN104193130B - A kind for the treatment of process of sewage plant sludge - Google Patents
A kind for the treatment of process of sewage plant sludge Download PDFInfo
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- CN104193130B CN104193130B CN201410472366.9A CN201410472366A CN104193130B CN 104193130 B CN104193130 B CN 104193130B CN 201410472366 A CN201410472366 A CN 201410472366A CN 104193130 B CN104193130 B CN 104193130B
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Abstract
A treatment process for sewage plant sludge, the ground thickness that tiled to by sewage sludge is 15-20 ㎝, and spray deodorant diluent and EM bacterium diluent A carry out rotary tillage again; When moisture content in mud by 85%-90% drop to 50%-60% time, then with shovel loader pile mud buttress ferment, carry out turning collapse of setting when temperature drops to 60-65 DEG C with stack turner, make mud pile up neatly inner mud and air mixed; Mud is through the fermentation of EM bacterium biological decomposition, and its water content mass percent drops to 32%-37%; Again the mud of fermentation was tiled rotary tillage airing after 3 days, the water content mass percent in mud drops to 18%-20%, is process and terminates after pulverizing.A treatment process for sewage plant sludge, the treatment time is short, treatment effect good, the mud unharmful substance after handled, and nutrition content is high, can be used as organic fertilizer raw material; And containing combustiblesubstance, can be used as fuel auxiliary material, fire the raw material etc. of fragment of brick.
Description
Technical field
The present invention relates to a kind for the treatment of process of mud, specifically a kind of preparation method of organic fertilizer raw material.
Background technology
Sewage plant sludge refers to the flock produced in water treatment procedure, it contains the nutritive elements such as large quantity of moisture, abundant organism and N, P, K, simultaneously also containing the objectionable impurities such as heavy metal and pathogenic bacteria, if discharge does not add process arbitrarily, not only to environment, it is also the serious waste to resource simultaneously.According to incompletely statistics, national quantity of wastewater effluent is 4474 × 10
7m
3/ d, the sewage work of different scales, different treatment degree has more than 100.The sludge quantity produced every day is about the 5%-10% of sewage load, and traditional method of disposal comprises the methods such as landfill, burning and process ocean disposal.
Burning disposal is exactly briefly distribute heat energy by the organism in burning mud, can be divided into two large classes: a class is directly burned with incinerator by dewatered sludge; Another kind of is first for dewatered sludge mummification burned again.
But the drawback that this type for the treatment of process exists is: 1, sludge incineration process needs to invest large-scale drying plant, and technical requirements large recovery with high investment takes effect slowly.2, mud self calorific value is too low, and combustion power generation effect is bad.3, sludge incineration can distribute a large amount of odor pollution environment.
Landfill is mud and lime according to a certain percentage after mix and blend, stack for some time air-dry solidify after directly fill out ditch process.Drawback: 1, unpleasant stench can be distributed after mud and the after chemical reaction of lime mix and blend and cause atmospheric pollution.2, mud does not thoroughly solidify and just fills out ditch, ground shakiness can be caused even to produce hole, marsh and there is certain potential safety hazard.3, require higher antiseep, blasting protection facilities, easily cause secondary pollution.4, landfill disposal does not meet the requirement of sludge reduction process.
How solving the pollution problem of mud to environment, make it make a silk purse out of a sow's ear, is the important topic of pendulum in Environmental Science and Engineering circle.EM bacterium is applied to process lignin-sludge and obtains general accreditation, but current method, disposablely after adopting stacking drying adds bacterium, add bacterium wet mud stacking is dry, disposable, every day by stack turner stirs and fully ferments, and fermentation period reaches 27-28 days, inefficiency.
Summary of the invention
The present invention seeks to the deficiency for solving the problems of the technologies described above, providing a kind for the treatment of process of sewage plant sludge, it has the advantage that the treatment time is short, treatment effect is good, the mud unharmful substance after handled, and nutrition content is high, can be used as organic fertilizer raw material; And containing combustiblesubstance, can be used as fuel auxiliary material, fire the raw material etc. of fragment of brick.
The present invention for solving the problems of the technologies described above adopted technical scheme is:
A treatment process for sewage plant sludge, comprises the following steps:
Step one, mud is transported into production canopy, shovel loader tiled at random produce canopy level land on, the thickness spread is 15-20 ㎝; Be 1:150 according to the volume ratio of reodorant and water, after reodorant is diluted, obtain reodorant diluent, for subsequent use; Adopt sterilized water, be 1:200 according to the volume ratio of EM bacterium stoste and water, EM bacterium stoste is diluted, obtain EM bacterium diluent A, for subsequent use; Adopt sterilized water, be 1:100 according to the volume ratio of EM bacterium stoste and water, EM bacterium stoste is diluted, obtain EM bacterium diluent B, for subsequent use;
Step 2, with rotary tillage spraying machine, spray deodorant diluent after rotary tillage is carried out to the mud tiled, carry out 5-6 rotary tillage and spray; After 2-3 hour, first spray EM bacterium diluent A carry out rotary tillage again with rotary tillage spraying machine, mud per ton sprays 100-200kg;
Step 3, repeat above-mentioned steps two after 7-9 time, when mud water content mass percent drops to 50%-60% by 85%-90% when marching into the arena, employing rotary tillage spraying machine is to spraying EM bacterium diluent B after mud rotary tillage; Then held together into by mud wide 2 meters respectively with shovel loader, the bar shaped mud buttress of high 1.4-1.5 rice, allows mud start to carry out high-temperature aerobic fermentation;
Step 4, every day monitor the temperature in mud buttress and moisture content, when EM bacterium breed and decompose mud make mud pile up neatly in after temperature rises to 70-75 DEG C, continuation detected temperatures; Carry out turning collapse of setting when temperature drops to 60-65 DEG C with stack turner, make mud pile up neatly inner mud and air mixed; Ensure that the inner EM bacterium of mud obtains sufficient oxygen supply, outside dewatered sludge and inner mud are fully mixed, and continuous high temperature ferments, and distributes moisture content; Continue fermentation, distribute moisture content;
Step 5, repeat above-mentioned steps 43 times after, mud is through the fermentation of EM bacterium biological decomposition, and its water content mass percent drops to 32%-37%; Again the mud of fermentation was tiled rotary tillage airing after 3 days with shovel loader, the water content mass percent in mud drops to 18%-20%; Held together into raft with shovel loader, be ground into particulate state, namely process completes; Mud after the process obtained both can be used as organic fertilizer raw material, for afforestation, flower planting and soil improvement etc.; Can also as the auxiliary material of fuel and the raw material of baking bricks thereof.
Mud after process, as auxiliary material, can be used for lignin-sludge again, and its concrete grammar is:
Step one, by gained auxiliary material and pending mud, be that 1:2 mixes according to mass ratio, make the water content mass percent in gained mixing sludge be 50-60%, then pile wide 2 meters, high 1.5 meters mud buttress with shovel loader;
Step 2, employing rotary tillage spraying machine are to after mud buttress rotary tillage 1 time, and spray EM bacterium diluent B, mud per ton sprays 100-200kg; Then spray deodorant, mud per ton sprays 50-100kg; Operated by every morning, afternoon repeat respectively once; Co-processing 14-16 days, gained mud is pulverized as diameter is the particle of 50-55mm, and namely process terminates.
Described reodorant is natural plant deodorant, is common reodorant on market, buys obtain by market.
Described rotary tillage spraying machine, comprise a running gear, the rear support arm of running gear is provided with the rotary tillage mechanism for stirring process to mud, also at least be provided with a spraying mechanism for the casing and at least one group that store flushing liquor and air pump, air pump output pressure is to casing, the effect of being stressed of liquid in casing enters spraying mechanism through connecting pipeline and sprays, each described group spraying mechanism includes front nozzle and rear nozzle, be positioned on the direction of running gear advance, front nozzle and rear nozzle lay respectively at the both sides of rotary tillage mechanism.
In step 4 when temperature drops to 60-65 DEG C, spray EM bacterium diluent A, fountain height is that mud per ton sprays 100-150kg, then carries out turning collapse of setting with stack turner.
Beneficial effect is:
1, the inventive method is shorter than traditional disposal methods time, and processing speed is fast, and traditional treatment process needs 27-28 days, and 18-20 of the present invention days can process; Under normal circumstances, sludge high temperature fermentation lean on be bottom heating unit to keep the thermophilic fermentation of mud inside, EM bacterium produce high temperature be very limited.The probiotics that the present invention allows mud keep the method heat of thermophilic fermentation to comprise from EM bacterium inside is completely bred, decomposition mud produces.Monitor mud internal temperature at any time, find that internal temperature reduces, ensure that the inner EM bacterium of mud obtains sufficient oxygen supply by turning collapse of setting, continuous high temperature ferments; Turning collapse of setting can make outside dewatered sludge and inner mud fully mix, and utilizes the irradiation of the sun to help to accelerate the airing of mud.
2, under normal circumstances, adding EM bacterium is disposablely when wet mud stacking add bacterium, and the every day by stack turner stirs and fully ferments.It is repeatedly add bacterium that the present invention adds bacterium method, and mud to ted and to add bacterium every day, and spray appliance first sprays rotary tillage after bacterium, and what ensure that EM bacterium and mud fully contacts fermentation; During stacking, escalated dose spray bacterium can ensure that mud can ferment by continuous high temperature again, and objectionable impurities and germ are eliminated to greatest extent.
3, under normal circumstances, common drying method for sludge is that the fermenter of about 1.5 meters wide, air blowing heating device is arranged at bottom with brick about 2 meters high.The wet direct stacking of mud, utilizes the heat of bottom and air blast to reduce moisture drying.And the present invention, directly mud is spread out 15 cm airings, Rotary tillage rake teds every day, stacking thermophilic fermentation process again after moisture is reduced.Simply and economically, a large amount of fund of building factory building procuring equipment is reduced; Treatment process is simple, and resource consumption is few.
4, the treatment process of sewage plant sludge of the present invention, inhibits the growth of putrefactive bacterium in sewage plant sludge, reduces the generation of ammonia and vitrification hydrogen, lowers topsoil, effectively inhibits generation and the volatilization of foul smell; Additionally reduce the pupa hatching of mosquito, the long-range effect reaching minimizing mosquitos and flies and disease.The present invention by carrying out aerobic fermentation process to mud, kills except some objectionable impuritiess of harmful levels of pathogens chelating in mud with microbial strains, and after the mud of thermophilic fermentation becomes thoroughly decomposed, the organic substance be rich in more easily is absorbed by farm crop.The biological treatment of mud, meets the treatment principle of the resource utilization of China's sludge treatment, innoxious, minimizing completely.
5, the inventive method instead for the treatment of process in the past, and the risk of the water resource pollution that landfill namely can be avoided to bring, can allow again mud turn waste into wealth.Treated sewage plant sludge soil property is soft, good permeability, reach composting standard, pH value is neutral, and trace element (copper, zinc, manganese, iron) content is higher, and heavy metal lead, cadmium content are low, conformance with standard, can be used as organic fertilizer raw material and prepare fertilizer, for afforestation, flower planting and soil improvement etc., the growth enough play improvement earth structure, increasing soil fertility, promote crop; Can also as the auxiliary material of fuel and the raw material of baking bricks thereof.
Accompanying drawing explanation
Fig. 1 is rotary tillage spraying machine structural representation of the present invention;
Fig. 2 is the embodiment of the present invention 1 sewage plant sludge photo before treatment;
Fig. 3 is the sewage plant sludge photo after the embodiment of the present invention 1 processes;
Mark in figure: 1, running gear, 101, rear support arm, 2, rotary tillage mechanism, 3, casing, 4, air pump, 5, vent line, 6, fluid-through tube road, 7, front nozzle, 8, rear nozzle, 9, telescoping mechanism, 10, by-pass valve control.
Embodiment
A treatment process for sewage plant sludge, comprises the following steps:
Step one, mud is transported into production canopy, shovel loader tiled at random produce canopy level land on, the thickness spread is 15-20 ㎝; Be 1:150 according to the volume ratio of reodorant and water, after reodorant is diluted, obtain reodorant diluent, for subsequent use; Adopt sterilized water, be 1:200 according to the volume ratio of EM bacterium stoste and water, EM bacterium stoste is diluted, obtain EM bacterium diluent A, for subsequent use; Adopt sterilized water, be 1:100 according to the volume ratio of EM bacterium stoste and water, EM bacterium stoste is diluted, obtain EM bacterium diluent B, for subsequent use;
Step 2, with rotary tillage spraying machine, spray deodorant diluent after rotary tillage is carried out to the mud tiled, carry out 5-6 rotary tillage and spray; After 2-3 hour, first spray EM bacterium diluent A carry out rotary tillage again with rotary tillage spraying machine, mud per ton sprays 100-200kg;
Step 3, repeat above-mentioned steps two after 7-9 time, when mud water content mass percent drops to 50%-60% by 85%-90% when marching into the arena, employing rotary tillage spraying machine is to spraying EM bacterium diluent B after mud rotary tillage; Then held together into by mud wide 2 meters respectively with shovel loader, the bar shaped mud buttress of high 1.4-1.5 rice, allows mud start to carry out high-temperature aerobic fermentation;
Step 4, every day monitor the temperature in mud buttress and moisture content, after 2-3 days when EM bacterium breed and decompose mud make mud pile up neatly in after temperature rises to 70-75 DEG C, continuation detected temperatures; Carry out turning collapse of setting when temperature drops to 60-65 DEG C with stack turner, make mud pile up neatly inner mud and air mixed; Ensure that the inner EM bacterium of mud obtains sufficient oxygen supply, outside dewatered sludge and inner mud are fully mixed, and continuous high temperature ferments, and distributes moisture content; Continue fermentation, distribute moisture content;
Step 5, repeat above-mentioned steps 43 times after, mud is through the fermentation of EM bacterium biological decomposition, and its water content mass percent drops to 32%-37%; Again the mud of fermentation was tiled rotary tillage airing after 3 days with shovel loader, the water content mass percent in mud drops to 18%-20%; Held together into raft with shovel loader, be ground into particulate state, namely process completes; Mud after the process obtained both can be used as organic fertilizer raw material, for afforestation, flower planting and soil improvement etc.; Can also as the auxiliary material of fuel and the raw material of baking bricks thereof.
Described reodorant is natural plant deodorant, is common reodorant on market, buys obtain by market.
Mud after process, as auxiliary material, can be used for lignin-sludge again, and its concrete grammar is:
Step one, by gained auxiliary material and pending mud, be that 1:2 mixes according to mass ratio, make the water content mass percent in gained mixing sludge be 50-60%, then pile wide 2 meters, high 1.5 meters mud buttress with shovel loader;
Step 2, employing rotary tillage spraying machine are to after mud buttress rotary tillage 1 time, and spray EM bacterium diluent B, mud per ton sprays 100-200kg; Then spray deodorant, mud per ton sprays 50-100kg; Operated by every morning, afternoon repeat respectively once; Co-processing 14-16 days, gained mud is pulverized as diameter is the particle of 50-55mm, and namely process terminates.
Described rotary tillage spraying machine, as shown in Figure 1, comprise a running gear 1, the rear support arm 101 of running gear 1 is provided with the rotary tillage mechanism 2 for stirring process to mud, this running gear is by the moveable device of power wheel drive, preferentially select commercially available tractor, also at least be provided with a spraying mechanism for the casing 3 and at least one group that store flushing liquor and air pump, for Fig. 1, a casing and one group of spraying mechanism can be set, air pump 4 is the pneumatic control system of tractor self, when tractor starts, air pump is opened automatically, air pump 4 is by vent line 5 and casing 3 inner chamber UNICOM, liquid outlet on casing 3 is connected with spraying mechanism by fluid-through tube road 6, air pump output pressure is to casing, the effect of being stressed of liquid in casing enters spraying mechanism through connecting pipeline and sprays, each described group spraying mechanism includes several front nozzles and several rear nozzles, be positioned on the direction of running gear advance, front nozzle and rear nozzle lay respectively at the both sides, front and back of rotary tillage mechanism.
One end of described rear support arm 101 is connected with rotary tillage mechanism 2, and the frame of the other end and running gear 1 is hinged; Also be provided with the telescoping mechanism 9 for promoting rear support arm 101, by extension and contraction control rear support arm 101 action of telescoping mechanism 9 to realize the height control of rotary tillage mechanism 2, telescoping mechanism as herein described can adopt in cylinder, hydro-cylinder or electric pushrod any one.
Fluid-through tube road 6 between described casing 3 and spraying mechanism is provided with the by-pass valve control 10 for adjusting flow, unlatching or closedown, and by-pass valve control 10 can arrange multiple, can control front nozzle and rear nozzle respectively.
embodiment 1
A treatment process for sewage plant sludge, comprises the following steps:
Step one, sewage plant sludge is transported into production canopy, shovel loader tiled at random produce canopy level land on, the thickness spread is 15 ㎝; Be 1:150 according to the volume ratio of reodorant and water, after reodorant is diluted, obtain reodorant diluent, for subsequent use; Adopt sterilized water, be 1:200 according to the volume ratio of EM bacterium stoste and water, EM bacterium stoste is diluted, obtain EM bacterium diluent A, for subsequent use; Adopt sterilized water, be 1:100 according to the volume ratio of EM bacterium stoste and water, EM bacterium stoste is diluted, obtain EM bacterium diluent B, for subsequent use;
Step 2, with rotary tillage spraying machine, spray deodorant diluent after rotary tillage is carried out to the mud tiled, carry out 5 rotary tillages and spray; After 2 hours, first spray EM bacterium diluent A carry out rotary tillage again with rotary tillage spraying machine, mud per ton sprays 100kg;
Step 3, repeat above-mentioned steps 27 times after, when mud water content mass percent drops to 50%% by 85% when marching into the arena, adopt rotary tillage spraying machine to spraying EM bacterium diluent B after mud rotary tillage; Then held together into by mud wide 2 meters respectively with shovel loader, the bar shaped mud buttress of high 1.4 meters, allows mud start to carry out high-temperature aerobic fermentation;
Step 4, every day monitor the temperature in mud buttress and moisture content, and after 2 days, EM bacterium breeds and decomposes mud and makes temperature in mud buttress rise to 75 DEG C; Continue detected temperatures, when temperature drops to 65 DEG C, spray EM bacterium diluent A, fountain height is that mud per ton sprays 150kg, then carries out turning collapse of setting with stack turner, makes mud and air mixed; Ensure that the inner EM bacterium of mud obtains sufficient oxygen supply, outside dewatered sludge and inner mud are fully mixed, and continuous high temperature ferments, and distributes moisture content.
Step 5, repeat above-mentioned steps 43 times after, mud is through the fermentation of EM bacterium biological decomposition, and its water content mass percent drops to 32%; Again the mud of fermentation was tiled rotary tillage airing after 3 days with shovel loader, the water content mass percent in mud drops to 18%; Held together into raft with shovel loader, be ground into particulate state, namely process completes; Mud impurity before treatment is many, caking, as shown in Figure 2; Sludge structure after process is soft, good permeability, as shown in Figure 3.
Mud after the process obtained both can be used as organic fertilizer raw material, for afforestation, flower planting and soil improvement etc.; Can also as the auxiliary material of fuel and the raw material of baking bricks thereof.
Described reodorant is natural plant deodorant, is common reodorant on market, buys obtain by market.
embodiment 2
A treatment process for sewage plant sludge, comprises the following steps:
Step one, mud is transported into production canopy, shovel loader tiled at random produce canopy level land on, the thickness spread is 18 ㎝; Be 1:150 according to the volume ratio of reodorant and water, after reodorant is diluted, obtain reodorant diluent, for subsequent use; Adopt sterilized water, be 1:200 according to the volume ratio of EM bacterium stoste and water, EM bacterium stoste is diluted, obtain EM bacterium diluent A, for subsequent use; Adopt sterilized water, be 1:100 according to the volume ratio of EM bacterium stoste and water, EM bacterium stoste is diluted, obtain EM bacterium diluent B, for subsequent use;
Step 2, with rotary tillage spraying machine, spray deodorant diluent after rotary tillage is carried out to the mud tiled, carry out 5 rotary tillages and spray; After 2.5 hours, first spray EM bacterium diluent A carry out rotary tillage again with rotary tillage spraying machine, mud per ton sprays 100-200kg;
Step 3, repeat above-mentioned steps 28 times after, when mud water content mass percent drops to 55% by 88% when marching into the arena, adopt rotary tillage spraying machine to spraying EM bacterium diluent B after mud rotary tillage; Then held together into by mud wide 2 meters respectively with shovel loader, the bar shaped mud buttress of high 1.45 meters, allows mud start to carry out high-temperature aerobic fermentation;
Step 4, every day monitor the temperature in mud buttress and water content mass percent, and after 2 days, EM bacterium breeds and decomposes mud and makes temperature in mud buttress rise to 70 DEG C; Continue detected temperatures, when temperature drops to 62 DEG C, carry out turning collapse of setting with stack turner, make mud and air mixed; Ensure that the inner EM bacterium of mud obtains sufficient oxygen supply, outside dewatered sludge and inner mud are fully mixed, and continuous high temperature ferments, and distributes moisture content.
Step 5, repeat above-mentioned steps 43 times after, mud is through the fermentation of EM bacterium biological decomposition, and its water content mass percent drops to 35%; Again the mud of fermentation was tiled rotary tillage airing after 3 days with shovel loader, the water content mass percent in mud drops to 19%; Held together into raft with shovel loader, be ground into particulate state, namely process completes; Mud after the process obtained both can be used as organic fertilizer raw material, for afforestation, flower planting and soil improvement etc.; Can also as the auxiliary material of fuel and the raw material of baking bricks thereof.
Described reodorant is natural plant deodorant, is common reodorant on market, buys obtain by market.
embodiment 3
A treatment process for sewage plant sludge, comprises the following steps:
Step one, mud is transported into production canopy, shovel loader tiled at random produce canopy level land on, the thickness spread is 20 ㎝; Be 1:150 according to the volume ratio of reodorant and water, after reodorant is diluted, obtain reodorant diluent, for subsequent use; Adopt sterilized water, be 1:200 according to the volume ratio of EM bacterium stoste and water, EM bacterium stoste is diluted, obtain EM bacterium diluent A, for subsequent use; Adopt sterilized water, be 1:100 according to the volume ratio of EM bacterium stoste and water, EM bacterium stoste is diluted, obtain EM bacterium diluent B, for subsequent use;
Step 2, with rotary tillage spraying machine, spray deodorant diluent after rotary tillage is carried out to the mud tiled, carry out 5-6 rotary tillage and spray; After 2-3 hour, first spray EM bacterium diluent A carry out rotary tillage again with rotary tillage spraying machine, mud per ton sprays 200kg;
Step 3, repeat above-mentioned steps 29 times after, when mud water content mass percent drops to 60% by 90% when marching into the arena, adopt rotary tillage spraying machine to spraying EM bacterium diluent B after mud rotary tillage; Then held together into by mud wide 2 meters respectively with shovel loader, the bar shaped mud buttress of high 1.5 meters, allows mud start to carry out high-temperature aerobic fermentation;
Step 4, every day monitor the temperature in mud buttress and moisture content, and after 3 days, EM bacterium breeds and decomposes mud and makes temperature in mud buttress rise to 72 DEG C; Continue detected temperatures, when temperature drops to 60 DEG C, spray EM bacterium diluent A, fountain height is that mud per ton sprays 100kg, then carries out turning collapse of setting with stack turner, makes mud and air mixed; Ensure that the inner EM bacterium of mud obtains sufficient oxygen supply, outside dewatered sludge and inner mud are fully mixed, and continuous high temperature ferments, and distributes moisture content.
Step 5, repeat above-mentioned steps 43 times after, mud is through the fermentation of EM bacterium biological decomposition, and its water content mass percent drops to 37%; Again the mud of fermentation was tiled rotary tillage airing after 3 days with shovel loader, the water content mass percent in mud drops to 20%; Held together into raft with shovel loader, be ground into particulate state, namely process completes; Mud after the process obtained both can be used as organic fertilizer raw material, for afforestation, flower planting and soil improvement etc.; Can also as the auxiliary material of fuel and the raw material of baking bricks thereof.
Described reodorant is natural plant deodorant, is common reodorant on market, buys obtain by market.
embodiment 4
Using the mud after process as auxiliary material, for lignin-sludge again, its concrete grammar is:
Step one, by gained auxiliary material and pending mud, be that 1:2 mixes according to mass ratio, make the water content mass percent in gained mixing sludge be 50%, then pile wide 2 meters, high 1.5 meters mud buttress with shovel loader;
Step 2, employing rotary tillage spraying machine are to after mud buttress rotary tillage 1 time, and spray EM bacterium diluent B, mud per ton sprays 100kg; Then spray deodorant, mud per ton sprays 50kg; Operated by every morning, afternoon repeat respectively once; Co-processing 14 days, gained mud is pulverized as diameter is the particle of 50mm, and namely process terminates.
embodiment 5
Using the mud after process as auxiliary material, for lignin-sludge again, its concrete grammar is:
Step one, by gained auxiliary material and pending mud, be that 1:2 mixes according to mass ratio, make the water content mass percent in gained mixing sludge be 55%, then pile wide 2 meters, high 1.5 meters mud buttress with shovel loader;
Step 2, employing rotary tillage spraying machine are to after mud buttress rotary tillage 1 time, and spray EM bacterium diluent B, mud per ton sprays 150kg; Then spray deodorant, mud per ton sprays 80kg; Operated by every morning, afternoon repeat respectively once; Co-processing 15 days, gained mud is pulverized as diameter is the particle of 52mm, and namely process terminates.
embodiment 6
Using the mud after process as auxiliary material, for lignin-sludge again, its concrete grammar is:
Step one, by gained auxiliary material and pending mud, be that 1:2 mixes according to mass ratio, make the water content mass percent in gained mixing sludge be 60%, then pile wide 2 meters, high 1.5 meters mud buttress with shovel loader;
Step 2, employing rotary tillage spraying machine are to after mud buttress rotary tillage 1 time, and spray EM bacterium diluent B, mud per ton sprays 200kg; Then spray deodorant, mud per ton sprays 100kg; Operated by every morning, afternoon repeat respectively once; Co-processing 16 days, gained mud is pulverized as diameter is the particle of 55mm, and namely process terminates.
correlation detection:
1, the mud after handled by the present invention has carried out relevant physico-chemical property in agricultural college of University Of Science and Technology Of He'nan and has analyzed, Main Analysis index and method as follows: pH value adopt potentiometer method measure, organic content adopts potassium bichromate heating capacity method to measure, total nitrogen content adopts sulfuric acid-Whitfield's ointment-Kjeldahl determination, and full phosphorus, full potassium adopt H
2sO
4-HNO
3-HclO
4digestion-molybdenum antimony resistance colorimetric method, trace element (copper, zinc, manganese, iron) content adopts acid-soluble-aas determination, and heavy metal lead, cadmium adopt acid-soluble-aas determination, and test result is in table 1:
Table 1:
Note: relative content result representation is mean+SD; The pH value detected is 7.20 ± 0.02
As can be seen from the above results, the mud after the inventive method is handled has N-P-K content to be enriched, and containing higher trace element, heavy metal content is low, meets national standard, and pH value is neutral, can be used as organic fertilizer raw material and prepare fertilizer.
2, the present invention mud carried out coal analysis in Datang Luoyang Thermal Power Plant, acquired results is as shown in table 2.
Table 2:
As can be seen from the above results, the mud after the inventive method is handled can be used as fuel and utilizes, and comprises the fields such as the fuel firing brick, has good application prospect.
Claims (3)
1. a treatment process for sewage plant sludge, is characterized in that: comprise the following steps:
Step one, mud tiled to produce canopy level land on, the thickness spread is 15-20 ㎝; Be the ratio of 1:150 according to the volume ratio of reodorant and water, after reodorant is added water and diluted, obtain reodorant diluent, for subsequent use; Adopt sterilized water, be the ratio of 1:200 according to the volume ratio of EM bacterium stoste and water, EM bacterium stoste added water and dilutes, obtain EM bacterium diluent A, for subsequent use; Adopt sterilized water, be the ratio of 1:100 according to the volume ratio of EM bacterium stoste and water, EM bacterium stoste added water and dilutes, obtain EM bacterium diluent B, for subsequent use;
The compound method of described EM bacterium stoste:
A, get 1000g water and be heated to 100 DEG C, continue heating again and after 5 minutes, stop heating, be cooled to 40 DEG C, add brown sugar 100g to be stirred to and to dissolve completely, then add EM bacterial classification 10 grams and stir, 35-37 DEG C of lower seal fermentation 3-5 days, uncap when cultivating 3 days and within 5-8 minute, continue sealing cultivation, after cultivation terminates, namely obtain activating rear EM bacterium, for subsequent use;
B, in second order fermentation tank, to add EM bacterium after activation according to aequum, after then adding activation, EM thalline amasss the sterilized water of 10 times, obtains mixture after mixing; Add the brown sugar of gained mixture quality 10%, the vitamins C of 0.3% and 0.1% glycine, again mixing rear adjust ph is 4.0-6.0, is placed in 35-37 DEG C of lower seal fermentation 3-5 days, namely obtains the EM bacterium stoste of viable bacteria content >=10,000,000,000/ml;
Step 2, with rotary tillage spraying machine, spray deodorant diluent after rotary tillage is carried out to the mud tiled, carry out 5-6 rotary tillage and spray; After 2-3 hour, first spray EM bacterium diluent A carry out rotary tillage again with rotary tillage spraying machine, wherein mud per ton sprays 100-200kgEM bacterium diluent A;
Step 3, repeat above-mentioned steps two after 7-9 time, when mud water content mass percent drops to 50%-60% by 85%-90%, employing rotary tillage spraying machine is to spraying EM bacterium diluent B after mud rotary tillage; Then held together into by mud wide 2 meters respectively with shovel loader, the bar shaped mud buttress of high 1.4-1.5 rice, allows mud start to carry out stacking fermentation;
Step 4, every day monitor the temperature in mud buttress and moisture content, when EM bacterium breed and decompose mud make mud pile up neatly in after temperature rises to 70-75 DEG C, continuation detected temperatures; Carry out turning collapse of setting when temperature drops to 60-65 DEG C with stack turner, make mud pile up neatly inner mud and air mixed; Continue fermentation, distribute moisture content;
Step 5, repeat above-mentioned steps 43 times after, mud is through the fermentation of EM bacterium biological decomposition, and its water content mass percent drops to 32%-37%; Again the mud of fermentation was tiled rotary tillage airing after 3 days with shovel loader, the water content mass percent in mud drops to 18%-20%; Mud is held together in heaps with shovel loader, be ground into particulate state, namely processed;
After carrying out rotary tillage with rotary tillage spraying machine to the mud tiled in described step 2, spray deodorant diluent sprayed once every 10-20 minute.
2. the treatment process of sewage plant sludge as claimed in claim 1, is characterized in that: described reodorant is natural plant deodorant.
3. the treatment process of sewage plant sludge as claimed in claim 1, is characterized in that: in step 4 when temperature drops to 60-65 DEG C, sprays EM bacterium diluent A, and fountain height is that mud per ton sprays 100-150kg, then carries out turning collapse of setting with stack turner.
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| CN201410472366.9A CN104193130B (en) | 2014-09-17 | 2014-09-17 | A kind for the treatment of process of sewage plant sludge |
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| CN201410472366.9A CN104193130B (en) | 2014-09-17 | 2014-09-17 | A kind for the treatment of process of sewage plant sludge |
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| CN106145573A (en) * | 2015-03-30 | 2016-11-23 | 无锡国联环保科技股份有限公司 | A kind of mud receives system and the method processing mud thereof |
| CN106495835A (en) * | 2016-10-09 | 2017-03-15 | 洛阳茂生生物技术有限公司 | A kind of preparation method of Organic sludge manure |
| CN106495834A (en) * | 2016-10-09 | 2017-03-15 | 洛阳茂生生物技术有限公司 | A kind of method that utilization sludge prepares fertilizer |
| CN107445431B (en) * | 2017-09-26 | 2020-05-19 | 廖泽勋 | Sludge organic treatment method |
| CN109197524A (en) * | 2018-09-26 | 2019-01-15 | 葛洲坝中固科技股份有限公司 | A kind of gardens cultivated soil and the preparation method and application thereof of high alkalinity river and lake silt preparation |
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| CN101851048A (en) * | 2010-06-01 | 2010-10-06 | 吴立阳 | Method for innocent treatment of sludge in sewage plant |
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