CN104671594B - A kind of inland navigation craft sanitary sewage sequence criticizes biochemical processing method - Google Patents
A kind of inland navigation craft sanitary sewage sequence criticizes biochemical processing method Download PDFInfo
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- CN104671594B CN104671594B CN201510043185.9A CN201510043185A CN104671594B CN 104671594 B CN104671594 B CN 104671594B CN 201510043185 A CN201510043185 A CN 201510043185A CN 104671594 B CN104671594 B CN 104671594B
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Abstract
The present invention relates to a kind of inland navigation craft sanitary sewage sequence and criticize biochemical processing method, device comprises buffer tank, serial-batch cabin, strainer and sterilizer, treatment step is as follows: 1, pre-cultivation: when again running after device rests for a long time, repeats above-mentioned pre-cultivation step when running first equally; In pre-course of cultivating the microorganism, strainer does not participate in work; 2, sewage disposal; In normal course of operation, if second and third fluid level controller dewaters more than 4 hours, device will enter dormant state automatically, the 20 minutes circulation opens in air pump interval, stops, until sewage enters, dormancy stops automatically; 3, emergent discharge: when device can not normally run or keep in repair, close second and third water valve, open first, fourth water valve, the sewage in buffer tank is directly disposed to emergent discharge outlet after crushed, and macerator pump stops to during low level the first Liquid level in buffer tank liquid level; 4, mud discharging: after device normally runs for some time, uses 100mL graduated cylinder to get 100mL sewage in serial-batch cabin, places half hour, if when sludge quantity reaches 1/2, just need a small amount of mud of venting, until stop when reaching 1/3.
Description
Technical field
The present invention relates to sewage treatment area, is that a kind of inland navigation craft sanitary sewage sequence criticizes biochemical processing method specifically.
Background technology
According to statistics, China has 160,000, inland river Water transportation boats and ships, and useful deadweight 8,780 ten thousand tons, inland navigation craft average tonnage reaches 529 tons, and Changjiang River Trunk Line average tonnage has surpassed 1000 tons.Since 2011, river cargo volume of the circular flow accounts for the ratio of land and water (not containing ocean, aviation and pipeline) total turnover volume more than 6%, and the share of river transport in whole transport market progressively expands.Inland waterway is just becoming the new engine supporting China's waterborne commerce sustainable development.What meanwhile increase is the sanitary sewage discharged inland river, and containing multiple germ, organism and inorganic salinity in general sanitary sewage, internal river water pollution is larger.The process of existing inland navigation craft sanitary sewage has following several method usually: 1, stores process: concentrate after adopting collection to store and send bank process, need to be equipped with collecting device and parking space, collection is wasted time and energy, and takies boats and ships space; 2, physics, chemical treatment, adopt filter, medicine sterilization processes biological sewage, filter, precipitation, sterilization be consuming time longer, and for the bad adaptability of different sewage, be not suitable for inland navigation craft and use; 3, biochemical treatment: adopt active sludge or biomembrance process, the treatment cycle of active sludge is longer equally, and need not stop to change active sludge and meet long-term disposal requirement, use cost is high, and the process susceptibility of biomembrance process to salinity in sanitary sewage is higher, to the change bad adaptability of sewage load.
Summary of the invention
For in prior art to the deficiency of sanitary sewage disposal, the invention provides and a kind of can process different sanitary sewage, the inland navigation craft sanitary sewage sequence that treatment effect is good criticizes biochemical processing method.
The technical solution used in the present invention is: a kind of inland navigation craft sanitary sewage sequence criticizes biochemical processing method, device is adopted to comprise buffer tank, serial-batch cabin, strainer and sterilizer, buffer tank top is provided with sewage inlet, first is provided with successively from the bottom to top in buffer tank, two fluid level controllers, successively through the first water valve bottom buffer tank, macerator pump, second water valve is communicated to serial-batch cabin upper cavity, switch water valve is provided with successively from the bottom to top in serial-batch cabin, 3rd, four fluid level controllers, switch water valve connects strainer through emptying pump, strainer is through the external outboard relief outlet of sterilizer, be provided with in described buffer tank not higher than the first aeration tube of the first fluid level controller, be provided with not higher than the second aeration tube of switch water valve in described serial-batch cabin, all external air pump of first and second aeration tube, be communicated with bottom buffer tank through the 3rd water valve, the first water valve bottom described serial-batch cabin,
Working process is:
1, pre-cultivation: when device runs first, open sewage inlet, raw waste water enters buffer tank, when water level rises to the second fluid level controller, macerator pump starts, and is rejected by sewage in serial-batch cabin, buffer tank water level decreasing; As when in buffer tank, liquid level drops to the first fluid level controller, macerator pump stops automatically; Enter raw waste water, when in serial-batch cabin until when liquid level reaches that in the 4th fluid level controller, buffer tank, water level reaches liquid level the second fluid level controller, close sewage inlet and stop sending raw waste water to; Serial-batch cabin is communicated with in the 4th fluid level controller top overflow with buffer tank, booster air pump, macerator pump, two 20 minutes, pump interval circulation opens, stop, and runs 2 days so continuously, open emptying pump, the 5th water valve, in serial-batch cabin, switch water valve upper supernatant is directly disposed to outer side of a ship relief outlet; Take out Wastewater Sample from serial-batch cabin thief hole, observe the cultivation conditions of active sludge with 100ml graduated cylinder, raw waste water cultivation at envrionment temperature 25 DEG C needs 2-3 time-of-week, and when active sludge reaches 1/3, then cultivation completes;
When again running after device rests for a long time, repeat above-mentioned pre-cultivation step when running first equally;
In pre-course of cultivating the microorganism, strainer does not participate in work;
2, sewage disposal: device normally runs, open sewage inlet, close the 5th water valve, strainer is worked, when in buffer tank, liquid level reaches the second fluid level controller, macerator pump starts, and is rejected by sewage in serial-batch cabin, until liquid level stops to during the 4th fluid level controller in serial-batch cabin, water inlet air pump running simultaneously; After having intake, the continuous operameter of air pump is after 45 minutes, and air pump stops; After 30 minutes, switch water valve is opened automatically, ultraviolet disinfector, emptying pump start, supernatant liquor in serial-batch cabin is pumped into duplex bag-type strainer by emptying pump, discharge water is disposed to outboard through disinfection by ultraviolet light again after Bag filter, until when in serial-batch cabin, liquid level is to the 3rd Liquid level, emptying pump, ultraviolet disinfector stop, and switch water valve is closed automatically;
In normal course of operation, if second and third fluid level controller dewaters more than 4 hours, device will enter dormant state automatically, the 20 minutes circulation opens in air pump interval, stops, until sewage enters, dormancy stops automatically;
3, emergent discharge: when device can not normally run or keep in repair, close second and third water valve, open first, fourth water valve, the sewage in buffer tank is directly disposed to emergent discharge outlet after crushed, and macerator pump stops to during low level the first Liquid level in buffer tank liquid level;
4, mud discharging: after device normally runs for some time, uses 100mL graduated cylinder to get 100mL sewage in serial-batch cabin, places half hour, if when sludge quantity reaches 1/2, just need a small amount of mud of venting, until stop when reaching 1/3.
Further, described buffer tank top is provided with overflow port and/or the 5th fluid level controller.
Further, described macerator pump is communicated with emergent discharge outlet through the 4th water valve.
Further, described strainer is duplex bag-type strainer.
Further, described emptying pump is through the external outboard relief outlet of the 5th water valve.
Further, described sterilizer is ultraviolet disinfector.
Further, the external ventage in described serial-batch cabin top.
Further, the external flushing mouth of a river, described buffer tank top.
Again further, electric heater is provided with between first and second fluid level controller in described buffer tank.
Adopt technique scheme, the invention has the beneficial effects as follows: adopt buffer tank to enter sanitary sewage, effective buffered water stroke, coordinate macerator pump by foreign material in sewage, become block organism, salt grades pulverizing, and send in serial-batch cabin, before normal work, active sludge cultivation is carried out by aeration in buffer tank and serial-batch cabin, in water treatment procedure, all the time interval aeration and according to the order of sequence batch discharge serial-batch cabin in supernatant liquor, in addition in time sampling and testing, all the time effective active sludge quantity in serial-batch cabin is controlled, meet sewage disposal requirement, and in subsequent disposal, adopt duplex bag-type strainer a preparation and a use successively, recoil cleaning realizes effective filtration of sanitary sewage, just outboard is given off after adopting ultraviolet disinfector sterilization, overall easy to use, sewage treatment capacity is strong, cycle is short, strong adaptability, different sanitary sewage can be processed, need not change, cleaning equipment, use cost is low, treatment effect is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: buffer tank 1, sewage inlet 2, air pump 3, overflow port 4, electric heater 5, first fluid level controller 6, second fluid level controller 7, 5th fluid level controller 8, first water valve 9, macerator pump 10, second water valve 11, serial-batch cabin 12, ventage 13, 3rd fluid level controller 14, 4th fluid level controller 15, switch water valve 16, first aeration tube 17, second aeration tube 171, 3rd water valve 18, 4th water valve 19, emergent discharge outlet 20, emptying pump 21, duplex bag-type strainer 22, ultraviolet disinfector 23, 5th water valve 24, 6th water valve 25, outboard relief outlet 26.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Shown in Fig. 1, a kind of inland navigation craft sanitary sewage sequence is criticized biochemical treatment apparatus and is comprised buffer tank 1, serial-batch cabin 12, duplex bag-type strainer 22 and ultraviolet disinfector 23, buffer tank 1 top is provided with sewage inlet 2 and back flushing mouth, and buffer tank 1 top is provided with overflow port 4, is provided with first successively from the bottom to top in buffer tank 1 lower than overflow port 4, two, five fluid level controllers 6, 7, 8, in buffer tank first, electric heater 5 is provided with, successively through the first water valve 9 bottom buffer tank 1 between two fluid level controllers, macerator pump 10, second water valve 11 is communicated to serial-batch cabin 12 upper cavity, and the external ventage 13 in serial-batch cabin 12 top, is provided with switch water valve 16 in serial-batch cabin 12 from the bottom to top successively, 3rd, four fluid level controllers 14, 15, switch water valve 16 connects emptying pump 21, emptying pump 21 points of two-way connect two imports of duplex bag-type strainer 22 respectively through water valve, two outlets of duplex bag-type strainer 22 connect ultraviolet disinfector 23 through water valve respectively, and ultraviolet disinfector 23 is through the external outboard relief outlet 26 of the 6th water valve 25, be provided with in buffer tank 1 not higher than the first aeration tube 17 of the first fluid level controller, be provided with not higher than the second aeration tube 171 of switch water valve in serial-batch cabin 12, all external air pump 3 of first and second aeration tube, be communicated with bottom buffer tank 1 through the 3rd water valve 18, first water valve 9 bottom serial-batch cabin 12, macerator pump 10 is communicated with emergent discharge outlet 20 through the 4th water valve 19, and emptying pump 21 is through the external outboard relief outlet 26 of the 5th water valve 24.
The inventive method is:
1, pre-cultivation: when device runs first, open sewage inlet, raw waste water enters buffer tank, when water level rises to the second fluid level controller, macerator pump starts, and is rejected by sewage in serial-batch cabin, buffer tank water level decreasing; As when in buffer tank, liquid level drops to the first fluid level controller, macerator pump stops automatically; Enter raw waste water, when in serial-batch cabin until when liquid level reaches that in the 4th fluid level controller, buffer tank, water level reaches liquid level the second fluid level controller, close sewage inlet and stop sending raw waste water to; Serial-batch cabin is communicated with in the 4th fluid level controller top overflow with buffer tank, booster air pump, macerator pump, two 20 minutes, pump interval circulation opens, stop, and runs 2 days so continuously, open emptying pump, the 5th water valve, in serial-batch cabin, switch water valve upper supernatant is directly disposed to outer side of a ship relief outlet; Take out Wastewater Sample from serial-batch cabin thief hole, observe the cultivation conditions of active sludge with 100ml graduated cylinder, raw waste water cultivation at envrionment temperature 25 DEG C needs 2-3 time-of-week, and when active sludge reaches 1/3, then cultivation completes;
When again running after device rests for a long time, repeat above-mentioned pre-cultivation step when running first equally;
In pre-course of cultivating the microorganism, strainer does not participate in work;
2, sewage disposal: device normally runs, open sewage inlet, close the 5th water valve, strainer is worked, when in buffer tank, liquid level reaches the second fluid level controller, macerator pump starts, and is rejected by sewage in serial-batch cabin, until liquid level stops to during the 4th fluid level controller in serial-batch cabin, water inlet air pump running simultaneously; After having intake, the continuous operameter of air pump is after 45 minutes, and air pump stops; After 30 minutes, switch water valve is opened automatically, ultraviolet disinfector, emptying pump start, supernatant liquor in serial-batch cabin is pumped into duplex bag-type strainer by emptying pump, discharge water is disposed to outboard through disinfection by ultraviolet light again after Bag filter, until when in serial-batch cabin, liquid level is to the 3rd Liquid level, emptying pump, ultraviolet disinfector stop, and switch water valve is closed automatically;
In normal course of operation, if second and third fluid level controller dewaters more than 4 hours, device will enter dormant state automatically, the 20 minutes circulation opens in air pump interval, stops, until sewage enters, dormancy stops automatically;
3, emergent discharge: when device can not normally run or keep in repair, close second and third water valve, open first, fourth water valve, the sewage in buffer tank is directly disposed to emergent discharge outlet after crushed, and macerator pump stops to during low level the first Liquid level in buffer tank liquid level;
4, mud discharging: after device normally runs for some time, uses 100mL graduated cylinder to get 100mL sewage in serial-batch cabin, places half hour, if when sludge quantity reaches 1/2, just need a small amount of mud of venting, until stop when reaching 1/3.
Claims (5)
1. an inland navigation craft sanitary sewage sequence criticizes biochemical processing method, it is characterized in that: adopt treatment unit to comprise buffer tank, serial-batch cabin, duplex bag-type strainer and ultraviolet disinfector, buffer tank top is provided with sewage inlet, first is provided with successively from the bottom to top in buffer tank, two fluid level controllers, successively through the first water valve bottom buffer tank, macerator pump, second water valve is communicated to serial-batch cabin upper cavity, switch water valve is provided with successively from the bottom to top in serial-batch cabin, 3rd, four fluid level controllers, switch water valve connects strainer through emptying pump, duplex bag-type strainer is through the external outboard relief outlet of ultraviolet disinfector, be provided with in described buffer tank not higher than the first aeration tube of the first fluid level controller, be provided with not higher than the second aeration tube of switch water valve in described serial-batch cabin, all external air pump of first and second aeration tube, be communicated with bottom buffer tank through the 3rd water valve, the first water valve bottom described serial-batch cabin,
Treatment step is as follows: 1, pre-cultivation: when device runs first, open sewage inlet, raw waste water enters buffer tank, and when water level rises to the second fluid level controller, macerator pump starts, and is rejected by sewage in serial-batch cabin, buffer tank water level decreasing; As when in buffer tank, liquid level drops to the first fluid level controller, macerator pump stops automatically; Enter raw waste water, when in serial-batch cabin until when liquid level reaches that in the 4th fluid level controller, buffer tank, water level reaches liquid level the second fluid level controller, close sewage inlet and stop sending raw waste water to; Serial-batch cabin is communicated with in the 4th fluid level controller top overflow with buffer tank, booster air pump, macerator pump, two 20 minutes, pump interval circulation opens, stop, and runs 2 days so continuously, open emptying pump, the 5th water valve, in serial-batch cabin, switch water valve upper supernatant is directly disposed to outer side of a ship relief outlet; Take out Wastewater Sample from serial-batch cabin thief hole, observe the cultivation conditions of active sludge with 100ml graduated cylinder, raw waste water cultivation at envrionment temperature 25 DEG C needs 2-3 time-of-week, and when the volume of active sludge reaches 1/3, then cultivation completes;
When again running after device rests for a long time, repeat above-mentioned pre-cultivation step when running first equally;
In pre-course of cultivating the microorganism, strainer does not participate in work;
2, sewage disposal: device normally runs, open sewage inlet, close the 5th water valve, strainer is worked, when in buffer tank, liquid level reaches the second fluid level controller, macerator pump starts, and is rejected by sewage in serial-batch cabin, until liquid level stops to during the 4th fluid level controller in serial-batch cabin, water inlet air pump running simultaneously; After having intake, the continuous operameter of air pump is after 45 minutes, and air pump stops; After 30 minutes, switch water valve is opened automatically, ultraviolet disinfector, emptying pump start, supernatant liquor in serial-batch cabin is pumped into duplex bag-type strainer by emptying pump, discharge water is disposed to outboard through disinfection by ultraviolet light again after Bag filter, until when in serial-batch cabin, liquid level is to the 3rd Liquid level, emptying pump, ultraviolet disinfector stop, and switch water valve is closed automatically;
In normal course of operation, if second and third fluid level controller dewaters more than 4 hours, device will enter dormant state automatically, the 20 minutes circulation opens in air pump interval, stops, until sewage enters, dormancy stops automatically;
3, emergent discharge: when device can not normally run or keep in repair, close second and third water valve, open first, fourth water valve, the sewage in buffer tank is directly disposed to emergent discharge outlet after crushed, and macerator pump stops to during low level the first Liquid level in buffer tank liquid level;
4, mud discharging: after device normally runs for some time, uses 100mL graduated cylinder to get 100mL sewage in serial-batch cabin, places half hour, if when the volume of sludge quantity reaches 1/2, just need a small amount of mud of venting, until stop when reaching 1/3.
2. a kind of inland navigation craft sanitary sewage sequence according to claim 1 criticizes biochemical processing method, it is characterized in that: described buffer tank top is provided with overflow port and/or the 5th fluid level controller.
3. a kind of inland navigation craft sanitary sewage sequence according to claim 1 criticizes biochemical processing method, it is characterized in that: the external ventage in described serial-batch cabin top.
4. a kind of inland navigation craft sanitary sewage sequence according to claim 1 criticizes biochemical processing method, it is characterized in that: the external flushing mouth of a river, described buffer tank top.
5. a kind of inland navigation craft sanitary sewage sequence according to claim 1 criticizes biochemical processing method, it is characterized in that: be provided with electric heater between first and second fluid level controller in described buffer tank.
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CN107473469A (en) * | 2017-09-08 | 2017-12-15 | 江苏南极机械有限责任公司 | A kind of membrane process domestic sewage treating apparatus peculiar to vessel |
CN107585931A (en) * | 2017-09-08 | 2018-01-16 | 江苏南极机械有限责任公司 | Membrane process domestic sewage processing method peculiar to vessel |
CN109094766B (en) * | 2018-09-12 | 2024-06-07 | 武汉理工大学 | Ship domestic sewage emission supervision device and application method thereof |
CN111170426A (en) * | 2020-01-07 | 2020-05-19 | 中国舰船研究设计中心 | Marine dirty cabin disinfection discharge system that gathers |
CN114940567A (en) * | 2022-06-22 | 2022-08-26 | 上海中远海运仓储有限公司 | Sewage treatment method and device for finished oil tanker |
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