CN102020401B - An anti-impact load livestock farm sewage treatment device and treatment method thereof - Google Patents
An anti-impact load livestock farm sewage treatment device and treatment method thereof Download PDFInfo
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- CN102020401B CN102020401B CN2010106025038A CN201010602503A CN102020401B CN 102020401 B CN102020401 B CN 102020401B CN 2010106025038 A CN2010106025038 A CN 2010106025038A CN 201010602503 A CN201010602503 A CN 201010602503A CN 102020401 B CN102020401 B CN 102020401B
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Abstract
The invention discloses an anti-impact load livestock farm sewage treatment device and a treatment method thereof, which belongs to the technical field of sewage treatment. The anti-impact load livestock farm sewage treatment device comprises a shallow pool, an anaerobic chamber and a bio-filter bed, wherein the shallow pool, the anaerobic chamber and the bio-filter bed are communicated with each other. The treatment method by using the anti-impact load livestock farm sewage treatment device comprises the following stages: (1) discharging sewage to the shallow pool; (2) performing biochemical treatment on the sewage; (3) airing and clearing the dirt; and (4) performing digestion, back digestion and circular reinforced denitrification. Through using the treatment device and treatment method, the operation is convenient, the sewage purification effect is good, the construction cost is low and the impact load can be resisted.
Description
Technical field
The present invention relates to a kind of sewage disposal technology, especially a kind of relating to, be periodic, fugitive emission large amount of sewage and all the other time no unloading waters, the sewage disposal technology of the fowl and livestock farm that promptly impact load is big.
Background technology
At present, in the fowl and livestock farm of China Rural areas, be a scabrous problem for the processing of the very big aquaculture wastewater of water yield fluctuation, the sewage of below standard processing directly discharging causes the pollution of environment.What the production technique of many fowl and livestock farms adopted is " all-in and all-out " system, and for example: in high quality meat chicken plant, for blocking the circulation of transmissible disease fully, whole chick are all beginning raising on the same day in the hen house, are selling on the same day later on.Hen house is not cleaned in during this, just clear away argol and bedding and padding after chicken is delivered for sale, wash ground in the hen house then.Therefore for this type fowl and livestock farm, its sewage discharge characteristics are the one long period of being separated by, concentrated sewer once, all the other times then rest and do not discharge.For such fowl and livestock farm; Adopt at present to be that the sewage that produces in the short period of time is in line go into anaerobic device; Artificial swamp is also advanced in the anaerobism water outlet at short notice, this processing mode, the concentrated sewer phase because of the big poor processing effect of impact load; Do not cause waste in the down-time period because of facility utilization rate is high, make resource can not obtain reasonable use.
Summary of the invention
Goal of the invention of the present invention is: to the problem of above-mentioned existence; A kind of suitable Rural areas is provided, easy to operate, manage and safeguard simple and fast; Wastewater purifying efficiency is good; Simple in structure, the fowl and livestock farm waste disposal plant of the anti-shock loading that laid down cost is low, and the treatment process of this waste disposal plant.
The technical scheme that the present invention adopts is following:
The fowl and livestock farm waste disposal plant of anti-shock loading of the present invention; Comprise shallow pond, anaerobic cavity and bacteria bed; Be communicated with in order between said shallow pond, anaerobic cavity and the bacteria bed, be communicated with through standpipe between the bottom in said shallow pond and the bottom of anaerobic cavity, be set with intubate in the standpipe bottom shallow pond; Said intubate can move freely in standpipe, is connected with floating ring on the said intubate.
Owing to adopted said structure; The sewage of fowl and livestock farm; In shallow pond, but the dirty grain of the sedimentation in the sewage is separated from sewage earlier through the physics settlement action, but and the dirty grain of sedimentation be deposited in bottom, shallow pond, but the sewage of getting rid of the dirty grain of sedimentation then carries out anaerobic reaction (fermentation reaction) at anaerobic cavity; Dirt in the sewage is got rid of a part; The absorption of plant is added in the last comprehensive purifying effect of in bacteria bed, the anaerobism water outlet being carried out mikrobe, physics, chemistry, makes qualified discharge after the fowl and livestock farm WWT.Shallow pool area is big, depth as shallow, and the ammonia that helps in the sewage fully discharges; Shallow pool area is big, depth as shallow, but help the dirty grain of the sedimentation in sewage physical sedimentation is separated, make the dirty grain of sedimentation be deposited in bottom, shallow pond; Floating ring is connected with intubate, and floating ring floats on the surface of sewage in the shallow pond, makes the port of intubate a little less than sewage level; But get rid of the upper liquid of the dirty grain of sedimentation in the pond; Flow into the bottom of anaerobic cavity from the port of intubate evenly with low discharge, and floating ring reduces with the decline of sewage level, the port that drives intubate reduces with the reduction of floating ring; So the difference of altitude between the liquid level of intubate port and sewage is constant, make the sewage quantity that enters into intubate keep constant automatically; The discharge of sewage that gets into intubate is even, make anaerobic cavity and with the steady load of the placed in-line bacteria bed of anaerobic cavity, eliminated the negative impact of impact load fully to anaerobic cavity and bacteria bed; The discharge of sewage that gets into intubate is little, and evenly, makes that the load of anaerobic cavity and bacteria bed is little and stable, so can dwindle anaerobic cavity and bacteria bed volume, reduces laid down cost.
The fowl and livestock farm waste disposal plant of anti-shock loading of the present invention; Said bacteria bed mainly is made up of first step bacteria bed and second stage bacteria bed, is communicated with through connected entrance between the bottom of said first step bacteria bed and the bacteria bed bottom, the second stage.
Owing to adopted said structure, make the anaerobism water outlet in bacteria bed, form vertical baffling, the filter fly that extended makes that the scavenging process in the bacteria bed carries out more fully.
The fowl and livestock farm waste disposal plant of anti-shock loading of the present invention; The side wall upper part of said anaerobic cavity is provided with the anaerobism water outlet; Said anaerobic cavity is communicated with first step bacteria bed through the anaerobism water outlet, and the sidewall of said second stage bacteria bed is provided with rising pipe.
Owing to adopted said structure; Anaerobic reaction (fermentation reaction) takes place and is necessarily purified in the sewage that continues to flow into the anaerobic cavity bottom in anaerobic cavity after; Flow into the biological filter constantly from the anaerobism water outlet; The drain of this anaerobism water outlet double as a small amount of biogas that anaerobic cavity produces and the water-in of first step bacteria bed, anaerobism water outlet are in first step bacteria bed and second stage bacteria bed vertical baffling flow process, under the comprehensive purifying effect of the mikrobe of bacteria bed, physics, chemistry; Under the sorption of wetland plant, further purified sewerage nitrogen and phosphor.Current are the plug-flow attitude constantly and flow in anaerobic cavity and bacteria bed, and the last cycle is recycled the clear liquid of handling, be stored in the bacteria bed up to standard from rising pipe, discharges constantly.
The fowl and livestock farm waste disposal plant of anti-shock loading of the present invention; Be communicated with through stopping up pipe bottom the said shallow pond with between the first step bacteria bed top; Be connected with the recycle pump assembly on the said rising pipe; The inlet of said recycle pump assembly is connected with rising pipe, and the outlet of recycle pump assembly places in the shallow pond.
Owing to adopted said structure, when the sewage in the shallow pond drains, but bottom, shallow pond is sedimentary sedimentation dirty; When the dirt that is deposited through airing cleared clean after, the soft suction hose of recycle pump assembly is connected with rising pipe, the scupper hose mouth of recycle pump assembly is placed in the shallow pond; And take down the tamper that can stop up on the pipe, start water pump, liquid in the bacteria bed of the second stage is pumped in the shallow pond; Water liquid in the shallow pond is drained into first bacteria bed from stopping up pipe again; Behind vertical baffling, enter into second stage bacteria bed, water pump continues to draw water, and forms circulating water flow.Because shallow pool area is wide; It is long that water flow in the shallow pond mean residence time; Help the increase of dissolved oxygen in water,, make that carrying out nitration denitrification times without number in the recirculated water liquid reacts because the bottom of first step bacteria bed and second stage bacteria bed is an anaerobic environment; Help denitrogenation and dephosphorization, make water liquid become clear liquid up to standard.
The fowl and livestock farm waste disposal plant of anti-shock loading of the present invention; Said recycle pump assembly comprises soft suction hose, water pump and scupper hose; Said water pump is communicated with soft suction hose, scupper hose, and said soft suction hose is connected with rising pipe, and the outlet of said scupper hose places in the shallow pond.
Owing to adopted said structure, when needs during, be about to soft suction hose and be connected with water shoot with the recycle pump assembly, in the time need not adopting the recycle pump assembly, the recycle pump assembly is recalled storehouse certainly, use and manage quite convenient.
The fowl and livestock farm waste disposal plant of anti-shock loading of the present invention; Be provided with wadding in the said anaerobic cavity; Be provided with filtrate in said first step bacteria bed and/or the second stage bacteria bed, and on first step bacteria bed top and/or bacteria bed top, the second stage plantation wetland plant is arranged.
Owing to adopted said structure, hang with the anaerobic sludge that the anaerobion flora is formed in the anaerobic cavity in the wadding, sewage in flowing from the bottom to top, dirt and anaerobic sludge fully contact digestion, be more conducive to the purification of sewage; Sewage behind the anaerobic reaction flows into the first step bacteria bed from the anaerobism outlet; In first step bacteria bed and/or the second stage bacteria bed filtrate is set; Give full play at bacteria bed under the Water purification of biology, chemistry and physics, make sewage further purified; On first step bacteria bed top and/or bacteria bed top, second stage plantation have wetland plant, this wetland plant can bring into play the effect that absorbs nitrogen phosphorus in the sewage, make the better effects if of the processing of sewage.
The fowl and livestock farm waste disposal plant of anti-shock loading of the present invention, the top of said anaerobic cavity are dismountable seal cover board.
Owing to adopted said structure, the sealing cover plate for sealing makes that in the top of anaerobic cavity anaerobic cavity is an airtight space, is convenient to carry out fermentation reaction in the anaerobic cavity, and cover plate is detachable, and taking off this cover plate can be convenient to management to safeguarding in the anaerobic cavity.
The fowl and livestock farm waste disposal plant of anti-shock loading of the present invention need be debugged before normal the use: at the anaerobic cavity seed sludge; Slowly increase the sewage load, domestication and the work flora of cultivating in anaerobic cavity and the bacteria bed reach value up to discharge water; Regulate intubate and floating ring relative position and also be fixed, the value when making the effluent flow rate that when floating ring floats on the liquid level, can guarantee to flow into intubate be works better.
After accomplishing debugging, the fowl and livestock farm waste disposal plant of anti-shock loading of the present invention gets into normal operating conditions, to the treatment process of sewage, mainly realizes the processing of sewage through following several stages in normal operation:
Fs, the port of intubate to be carried to the inaccessiable high point of sewage and fixing, obstruction can be stopped up pipe, and the sewage with fowl and livestock farm all is drained in the shallow pond then;
Subordinate phase is removed the fixing of intubate, lets floating ring float on sewage level; Guarantee that intubate can move freely in standpipe, and the port of intubate can drive and reduce with the decline of sewage level by floating ring, sewage carries out solid-liquid separation in shallow pond; But the dirty grain of sedimentation falls to bottom, shallow pond; But the sewage upper liquid of getting rid of in the shallow pond of the dirty grain of sedimentation all extremely slowly enters the anaerobic cavity bottom through standpipe evenly, in anaerobic cavity, takes place to be drained in first bacteria bed through the anaerobism water outlet behind the anaerobic reaction, after the comprehensive treating process in first bacteria bed; Through getting in second bacteria bed behind the connected entrance vertical baffling again by comprehensive treating process; And be stored in the whole bacteria bed, when treating that next sewage gets into, the clear liquid up to standard that is stored in the bacteria bed is discharged from the rising pipe of second bacteria bed.
Phase III, treat that the sewage in the shallow pond drains, the bottom in the shallow pond of airing is deposited dirt, clears clean after airing is done;
Owing to adopted above-mentioned treatment process, can effectively sewage be changed into the water that can reuse, use for the fowl and livestock farm greenery patches; Make and realize zero release in the fowl and livestock farm; Practice thrift the waste of water resources widely, avoided environment is polluted, and practiced thrift cost.Sewage evenly is drained in the anaerobic cavity from shallow pond lentamente, has eliminated the impact load of sewage, make that the reaction in anaerobic cavity and the biological filter can normally be turned round all the time anaerobic cavity and biological filter; The treatment process of the fowl and livestock farm waste disposal plant of anti-shock loading of the present invention, wastewater purifying efficiency is good, and the water quality after the processing is good, and this treatment process is simple to operate, is convenient to convenient management and maintenance.
The treatment process of the fowl and livestock farm waste disposal plant of anti-shock loading of the present invention can be through realizing the processing again of sewage with the next stage;
Stage is earlier carried the port of intubate to the inaccessiable vertex of water liquid and fixing, and taking-up can be stopped up the tamper in the pipe, and the soft suction hose of recycle pump assembly is connected with rising pipe, and the outlet of scupper hose is placed in the shallow pond; Continue to start water pump then; The upper strata clear water of second stage bacteria bed is pumped in the shallow pond, is drained into the first step bacteria bed from stopping up pipe again, gets back to second bacteria bed through connected entrance; Its upper strata clear water is pumped to shallow pond again, and formation constantly circulates like this.
Owing to adopted above-mentioned treatment process; When circulating the sewage of handling in the bacteria bed of the second stage, shallow pool area big flood liquid and air full contact help the increase of dissolved oxygen in water; And the bacteria bed bottom is an anaerobic zone; So can once and again carry out the nitration denitrification process, help denitrogenation and dephosphorization, make water quality reach emission standard.
In sum, owing to adopted technique scheme, the invention has the beneficial effects as follows:
1. the fowl and livestock farm waste disposal plant of anti-shock loading of the present invention is simple in structure, easy to operate, and the elevation loss is little, builds the earthwork and lacks, and antiseepage requires low, so laid down cost is low, is fit to promote;
2. the fowl and livestock farm waste disposal plant of anti-shock loading of the present invention can carry out sewage can reuse after the purifying treatment, thereby has practiced thrift the waste of water resources, avoids the pollution to environment, has reduced cost simultaneously;
3. the fowl and livestock farm waste disposal plant of anti-shock loading of the present invention; Shallow pond and floating ring intubate have been eliminated the impact of sewage to anaerobic cavity and biological filter fully; Make anaerobic cavity and biological filter can normally turn round all the time, reach the best effect of purifying waste water;
4. the fowl and livestock farm waste disposal plant of anti-shock loading of the present invention because anaerobic cavity and biological filter loading are even, makes anaerobic cavity and biological filter can realize small-sized efficientization;
5. the treatment process of the fowl and livestock farm waste disposal plant of anti-shock loading of the present invention is simple to operate, convenient management, easy maintenance;
6. the treatment process of the fowl and livestock farm waste disposal plant of anti-shock loading of the present invention can be carried out the nitration denitrification process effectively, helps denitrogenation, thereby makes water quality more optimize.
Description of drawings
The present invention will explain through example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the vertical view of the fowl and livestock farm waste disposal plant of anti-shock loading of the present invention;
Fig. 2 is the echelon sectional view of A-A among Fig. 1;
Fig. 3 is the part sectioned view of B-B among Fig. 1;
Fig. 4 is the part sectioned view of C-B among Fig. 1.
Mark among the figure: I-shallow pond, II-anaerobic cavity, III-bacteria bed, III-1-first step bacteria bed, III-2 second stage bacteria bed, 1-water inlet pipe, 2-floating ring, 3-intubate, 4-standpipe, 5-wadding, 6-cover plate, 7-anaerobism water outlet, 8-connected entrance, 9-filtrate, 10-rising pipe, 11-wetland plant, 12-soft suction hose, 13-water pump, 4-scupper hose, 15-can stop up pipe.
Embodiment
Disclosed all characteristics in this specification sheets, or the step in disclosed all methods or the process except mutually exclusive characteristic and/or the step, all can make up by any way.
Disclosed arbitrary characteristic in this specification sheets (comprising any accessory claim, summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
To shown in Figure 4, the fowl and livestock farm waste disposal plant of this anti-shock loading comprises shallow pond I, anaerobic cavity II and bacteria bed III like Fig. 1, is communicated with in order between said shallow pond I, anaerobic cavity II and the bacteria bed III; Said bacteria bed III mainly is made up of first step bacteria bed III-1 and second stage bacteria bed III-2, is communicated with through connected entrance 8 between the bottom of said first step bacteria bed III-1 and bacteria bed III-2 bottom, the second stage; Be communicated with through standpipe 4 between the bottom of said shallow pond I and the bottom of anaerobic cavity II, in the standpipe 4 of shallow pond I bottom, be set with intubate 3, said intubate 3 can move freely in standpipe 4, is connected with floating ring 2 on the said intubate 3.The side wall upper part of said anaerobic cavity II is provided with anaerobism water outlet 7, and said anaerobic cavity II is communicated with first step bacteria bed III-1 through anaerobism water outlet 7, and the sidewall of said second stage bacteria bed III-2 is provided with rising pipe 10; Be communicated with through stopping up pipe 15 bottom the I of said shallow pond with between first step bacteria bed III-1 top; Be connected with the recycle pump assembly on the said rising pipe 10; Said recycle pump assembly comprises soft suction hose 12, water pump 13 and scupper hose 14; Said water pump 13 is communicated with soft suction hose 12, scupper hose 14, and said soft suction hose 12 is connected with rising pipe 10, and the outlet of said scupper hose 14 places in the I of shallow pond; Be provided with wadding 5 in the said anaerobic cavity II, be provided with filtrate 9 in said first step bacteria bed III-1 and the second stage bacteria bed III-2, and on first step bacteria bed III-1 top and/or the plantation of bacteria bed III-2 top, the second stage wetland plant 11 is arranged; The top of said anaerobic cavity II is dismountable seal cover board 6.
The fowl and livestock farm waste disposal plant of anti-shock loading of the present invention; The sewage of fowl and livestock farm; In the I of shallow pond, but the dirty grain of the sedimentation in the sewage is separated from sewage earlier through the physics settlement action; And but the dirty grain of sedimentation is deposited in I bottom, shallow pond, but the waste water of getting rid of the dirty grain of sedimentation then carries out anaerobic reaction (fermentation reaction) in the anaerobic cavity II, and the dirt in the sewage is got rid of a part; The last combined reaction of in bacteria bed, the anaerobism water outlet being carried out mikrobe, physics, chemistry, plant absorbing makes qualified discharge after the fowl and livestock farm WWT.The anaerobism water outlet forms vertical baffling in bacteria bed, the worry journey that extended makes that the combined reaction of the interior mikrobe of bacteria bed, physics, chemistry, plant absorbing is more abundant.
Because shallow pond I area is big, depth as shallow, the ammonia that helps in the sewage fully discharges; Shallow pond I area is big, depth as shallow, but help the dirty grain of the sedimentation in sewage physical sedimentation is separated, make the dirty grain of sedimentation be deposited in I bottom, shallow pond; Floating ring 2 is connected with intubate 3; Floating ring 2 floats on the surface of sewage in the shallow pond; Make the port of intubate 3 a little less than sewage level, but get rid of the upper liquid of the dirty grain of sedimentation in the pond, flow into the bottom of anaerobic cavity II from the port of intubate 3 with low discharge evenly; And floating ring 2 reduces with the decline of sewage level; The port of drive intubate 3 reduces with the reduction of floating ring, so the difference of altitude between the liquid level of intubate 3 port and sewage is constant, makes the sewage quantity that enters into intubate 3 keep constant automatically; The discharge of sewage that gets into intubate 3 is even, make the anaerobic cavity II and with the steady load of the placed in-line bacteria bed III of anaerobic cavity II, eliminated the negative impact of impact load fully to anaerobic cavity and bacteria bed; The discharge of sewage that gets into intubate 3 is little, and evenly, makes anaerobic cavity II and little and stable with the load of anaerobic cavity II so can dwindle anaerobic cavity and bacteria bed volume, to reduce laid down cost.But the sewage of getting rid of the dirty grain of sedimentation flow into anaerobic cavity II bottom; Owing in the anaerobic cavity II anaerobic sludge is arranged; Anaerobion in the anaerobic sludge can contact with dirt, and anaerobic reaction takes place, and wadding 4 is set in the anaerobic cavity II, increases contacting of dirt and anaerobic sludge; Make deoxygenation more abundant, be more conducive to the purification of sewage; When anaerobic reaction (fermentation reaction) takes place in the sewage that flow into anaerobic cavity II bottom in the anaerobic cavity II after; Sewage is the plug-flow attitude and flow into the biological filter constantly from anaerobism water outlet 6; This anaerobism water outlet 6 is taken into account the drain of a small amount of biogas that produces and the water-in of first step bacteria bed III-1; Sewage behind the anaerobic reaction flows into the first step bacteria bed III-1 from the anaerobism outlet; In first step bacteria bed III-1 and/or the second stage bacteria bed III-2 filtrate 8 is set, makes that the dirt in the sewage can make effects of purification quality better as much as possible attached on the filtrate 8; Hang with the anaerobic sludge that the anaerobion flora is formed in the anaerobic cavity II in the wadding 5, sewage in flowing from the bottom to top, dirt and anaerobic sludge fully contact digestion, be more conducive to the purification of sewage; Sewage behind the anaerobic reaction flows into the first step bacteria bed I from anaerobism outlet 7; In first step bacteria bed III-1 and/or the second stage bacteria bed III-2 filtrate 9 is set; Give full play in the bacteria bed III under the Water purification of biology, chemistry and physics, make sewage further purified; There are wetland plant 11, this wetland plant 11 can bring into play the effect that absorbs nitrogen phosphorus in the sewage in first step bacteria bed III-1 and/or the plantation of bacteria bed III-2 top, the second stage, make the better effects if of the processing of sewage.When the sewage in the I of shallow pond drains, but I bottom in shallow pond is sedimentary sedimentation dirty, after the dirt airing that is deposited is cleared totally; The soft suction hose 12 of recycle pump assembly is connected with rising pipe 10, the scupper hose of recycle pump assembly is placed in the I of shallow pond for 14 mouthfuls, and take down the obstruction that to stop up on the pipe 15; Start water pump 13; With being drained in the I of shallow pond by the upper strata sewage after the combined reaction in the bacteria bed III-2 of the second stage, because shallow pond I area is wide, it is long that water flow into the interior mean residence time of shallow pond I; The ammonia that helps in the sewage fully discharges, and helps the increase of dissolved oxygen in water; Sewage in the I of shallow pond is drained into first bacteria bed from stopping up pipe 15 again; Behind vertical baffling, enter into second stage bacteria bed III-2; Form the fantasy current; Because the bottom of first step bacteria bed III-1 and second stage bacteria bed III-2 is an anaerobic zone, suitable sewage carries out anaerobic reaction; Make circulating sewage carry out the nitration denitrification process times without number, help denitrogenation and dephosphorization, make that the water quality that is processed sewage later is better.Cover plate 5 is sealed in the top of anaerobic cavity II; Make that the anaerobic cavity II is an airtight space, be convenient to carry out in the anaerobic cavity II fermentation reaction of deoxidation, make that mikrobe and the dirt in the mud reacts fully; Wadding 4 hangs on the cover plate 5; This cover plate 5 adopts dismountable mode to seal, and is convenient to take off safeguarding and keeping in repair in 5 pairs of anaerobic cavity II of this cover plate, is convenient to management.
The fowl and livestock farm waste disposal plant of anti-shock loading of the present invention need be debugged before normal the use: at the anaerobic cavity seed sludge; Slowly increase the sewage load, domestication and the work flora of cultivating in anaerobic cavity and the bacteria bed reach value up to discharge water; Regulate intubate and floating ring relative position and also be fixed, the value when making the effluent flow rate that when floating ring floats on the liquid level, can guarantee to flow into intubate be works better.
After accomplishing debugging, the fowl and livestock farm waste disposal plant of anti-shock loading of the present invention gets into normal operating conditions, to the treatment process of sewage, mainly realizes the processing of sewage through following several stages in normal operation:
Fs, earlier with the port of intubate 3 carry to sewage can not get into vertex and fixing, obstruction can be stopped up pipe 15, the sewage with fowl and livestock farm all is drained in the I of shallow pond then;
Subordinate phase, releasing is fixing to intubate 3, lets floating ring 2 float on sewage level; Guarantee that intubate 3 can move freely in standpipe 3, sealing between the lower end of intubate 3 and the standpipe 4, and the port of intubate 3 can be driven reduction by floating ring 2 with the decline of sewage level; Sewage carries out solid-liquid separation in the I of shallow pond; But the dirty grain of sedimentation falls to I bottom, shallow pond, and upper liquid is drained into anaerobic cavity II bottom after all passing through the port entering standpipe 4 of intubate 3 evenly; In the anaerobic cavity II, take place to be drained in the first bacteria bed III-1 through anaerobism water outlet 7 behind the anaerobic reaction; In the first bacteria bed III-1 by comprehensive treating process after, through getting into behind connected entrance 8 vertical bafflings in the second bacteria bed III-2, and be stored in the whole bacteria bed III again by comprehensive treating process; When treating that next sewage gets into, the clear liquid up to standard that is stored in the bacteria bed III is discharged from the rising pipe 10 of the second bacteria bed III-2;
Phase III, treat that the sewage in the I of shallow pond drains, the dirt that is deposited of I bottom, shallow pond is done in airing, clears clean then;
Stage carries the port of intubate 3 to the inaccessiable vertex of water liquid and fixing, and taking-up can be stopped up the tamper in the pipe 15, and the soft suction hose 12 of recycle pump assembly is connected with rising pipe 10, and the outlet of scupper hose 14 is placed in the I of shallow pond; Continue to start water pump then; The upper strata clear water of second stage bacteria bed III-2 is pumped in the I of shallow pond; Be drained into the first step bacteria bed III-1 from stopping up pipe 15 again; Get back to the second bacteria bed III-2 through connected entrance 8, its upper strata clear water is pumped to shallow pond I again, forms constantly to circulate.
Adopt the treatment process of the present invention, can effectively sewage be changed into recursive water, use for the fowl and livestock farm greenery patches to sewage; Make and realize zero release in the fowl and livestock farm; Practice thrift the waste of water resources widely, avoided environment is polluted, and practiced thrift cost.Sewage evenly is drained in the anaerobic cavity II from the I of shallow pond lentamente, has eliminated the impact load of sewage, make that the reaction in anaerobic cavity II and the biological filter can normally be turned round all the time anaerobic cavity II and biological filter; The treatment process of the fowl and livestock farm waste disposal plant of anti-shock loading of the present invention, wastewater purifying efficiency is good, and the water quality after the processing is good, and this treatment process is simple to operate, is convenient to convenient management and maintenance.When circulating the sewage of handling in the bacteria bed III-2 of the second stage, sewage almost remains static in the I of shallow pond, helps the dirt sedimentation, and through the WWT of next cycle throw out is removed; When circulating the sewage of handling in the bacteria bed III-2 of the second stage; Shallow pond I area big flood liquid and air full contact; Help the increase of dissolved oxygen in water, and bacteria bed III bottom is an anaerobic zone, so can once and again carry out the nitration denitrification process; Help denitrogenation and dephosphorization, make water quality reach emission standard.
The fowl and livestock farm waste disposal plant and the treatment process thereof of anti-shock loading of the present invention; Floating ring 2 is formed the intubate valve that floats with intubate 2; Through the intubate valve that floats; Slowly evenly to the water inlet of anaerobic cavity II, so handle this sewage and compare with using conventional anaerobism+artificial swamp mode, can significantly dwindle by the scale of device with the little water yield for upper strata sewage in the shallow pond.As for the shallow pond of the extra construction of need, require low because of the few antiseepage of the earthwork so build less investment, total building expense can reduce more than 30%.When the 5th and the 6th stage of operation, i.e. sewage circulation time between shallow pond I and bacteria bed III, because of circulating water flow is very little, water pump 13 wasted works are little, increase running cost hardly.And the following several characteristics that the present invention has all can improve the effluent quality after the WWT:
1. eliminated impact load, the two can be run well all the time anaerobic cavity II and biological filter III;
2. in the phase III of operation, sewage is almost stationary state in the I of shallow pond, helps the dirt sedimentation, and in stage sediment is removed;
3. in phase III, five-stage and the 6th stage of operation, sewage mean residence time in the I of shallow pond is long, helps the abundant release of ammonia;
4. in the five-stage and the 6th stage of operation, current circulate between shallow pond I and biological filter III, and the shallow pond that area is bigger helps the increase of dissolved oxygen in water, and III bottom, biological filter is an anaerobic zone, so can carry out the nitration denitrification process repeatedly, helps denitrogenation.
The fowl and livestock farm waste disposal plant and the treatment process thereof of anti-shock loading of the present invention can apply to fowl and livestock farm widely, comprise commercial meat bird, pig farm etc.; In the use on pig farm,, therefore a water reservoir can be set at the front end of on-swimmer's pool I because the sewage on pig farm flows into incessantly; This water reservoir is connected in the on-swimmer's pool I through water inlet pipe 1; When retaining when a certain amount of, through the fowl and livestock farm waste disposal plant and the treatment process thereof of anti-shock loading of the present invention sewage is handled again, have extraordinary wastewater treatment efficiency; Be example below with the commercial meat bird; Tell about practical application of the present invention, other fowl and livestock farm is a foundation with this example, can do to make local adjustment.
Suppose that the cycle that fryer is cultured is 50 days, flushing saprobiont oxygen requirement is 5000 mg/litre, and flushing sewage total amount is the N cubic meter, and this condition can be done corresponding variation according to the needs of reality.Let the shallow pond I area be 4N square metre, make maximum water depth be merely 0.25 meter, the elevation loss is little; Let the anaerobic cavity II volume be the N cubic meter, then every day, flooding quantity was merely the N/40 cubic meter, and (wherein discharging water needs 1 day; Airing 3 days; The recycle system was handled 6 days, and the time of the process of therefore intaking is 40 days, and total sewage quantity is N square metre; Be every day flooding quantity be merely the N/40 cubic meter), every day, organic loading was merely about 250 mg/litre; Let the bacteria bed III cubic capacity be the 2N cubic meter; Wherein first step bacteria bed III-1 respectively is the N cubic meter with second stage bacteria bed III-2; Then every day, the unit volume organic loading was merely about 20 grams, let bacteria bed filtrate voidage by 50% (be that filtrate in the bacteria bed taken up space be 50%, the space between the filtrate is 50%); Like this when the sewage in this processing cycle all gets into the bacteria bed III; Just with last the 6th stage of cycle, promptly in the bacteria bed III-2 of the second stage, all emit through the water of circular treatment.
See Fig. 1, Fig. 2, Fig. 3 and Fig. 4, water inlet pipe 1 inserts shallow pond front end; The unsteady intubate valve that floating ring 2, intubate 3 and standpipe 4 constitute is connected shallow pond I bottom with anaerobic cavity II bottom; Add the seal cover board that can remove 6 on the anaerobic cavity II and form the anaerobism spaces, hang wadding 5 in the anaerobic cavity II, anaerobism water outlet 7 is on the top of anaerobic cavity II, double as firedamp drainage mouth; Anaerobism water outlet 7 also is the water-in of bacteria bed III, and the vertical baffling bacteria bed is in series by the front and back stages bacteria bed, and two-stage connects through bottom connected entrance 8, and bacteria bed III-2 upper end, the second stage picks out water pipe 10.I bottom, shallow pond is connected by stopping up pipe 15 with first step bacteria bed III-1 top.Other joins and can freely lay and remove, the recycle pump assembly of being made up of water pump 13, soft suction hose 12 and scupper hose 14.Each WWT cycle was made up of four-stage in 50 days.Hen house flushing day be the fs, and the intubate of will floating valve is mentioned vertex and fixed, and obstruction can be stopped up pipe 15, lets then will handle in the whole cycle, and the same day, whole flushing sewage of generation got into shallow pond I; Subordinate phase; Let unsteady intubate valve freely float on liquid level; Regulate the discrepancy in elevation of intubate 3 port and liquid level; Let the sewage in the I of shallow pond in 40 days, at the uniform velocity enter the anaerobic cavity II lentamente, sewage is the plug-flow attitude and is processed in anaerobic cavity II and bacteria bed III, and water outlet is discharged the last cycle and is recycled the treating water of handling up to standard; Phase III, do not had sewage in the I of shallow pond this moment, and the dirt airing that deposits is cleared after 3 days totally; Stage, the intubate of will floating valve is mentioned vertex and is fixed, and taking-up can be stopped up the tamper in the pipe 15; Lay the recycle pump assembly; In 6 days, intermittently start the recycle pump assembly, let current III between shallow pond I and bacteria bed circulate the decontamination effect improving of enhanced sewage.Sewage is used for commercial chicken plant greenery patches water after emitting through above-mentioned processing up to standard, and chicken house is realized zero release, practices thrift cost, and has avoided the waste of water resources, and has avoided the pollution to environment.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (9)
1. the fowl and livestock farm waste disposal plant of an anti-shock loading; It is characterized in that: it comprises shallow pond (I), anaerobic cavity (II) and bacteria bed (III); Be communicated with in order between said shallow pond (I), anaerobic cavity (II) and the bacteria bed (III); Be communicated with through standpipe (4) between the bottom in said shallow pond (I) and the bottom of anaerobic cavity (II); In the standpipe (4) of shallow pond (I) bottom, be set with intubate (3), said intubate (3) can move freely in standpipe (4), is connected with floating ring (2) on the said intubate (3).
2. the fowl and livestock farm waste disposal plant of anti-shock loading as claimed in claim 1; It is characterized in that: said bacteria bed (III) mainly is made up of first step bacteria bed (III-1) and second stage bacteria bed (III-2), is communicated with through connected entrance (8) between the bottom of said first step bacteria bed (III-1) and second stage bacteria bed (III-2) bottom.
3. the fowl and livestock farm waste disposal plant of anti-shock loading as claimed in claim 2; It is characterized in that: the side wall upper part of said anaerobic cavity (II) is provided with anaerobism water outlet (7); Said anaerobic cavity (II) is communicated with first step bacteria bed (III-1) through anaerobism water outlet (7), and the sidewall of said second stage bacteria bed (III-2) is provided with rising pipe (10).
4. the fowl and livestock farm waste disposal plant of anti-shock loading as claimed in claim 3; It is characterized in that: be communicated with through stopping up pipe (15) bottom the said shallow pond (I) with between first step bacteria bed (III-1) top; Said rising pipe is connected with the recycle pump assembly on (10); The inlet of said recycle pump assembly is connected with rising pipe (10), and the outlet of recycle pump assembly places in the shallow pond (I).
5. the fowl and livestock farm waste disposal plant of anti-shock loading as claimed in claim 4; It is characterized in that: said recycle pump assembly comprises soft suction hose (12), water pump (13) and scupper hose (14); Said water pump (13) is communicated with soft suction hose (12), scupper hose (14); Said soft suction hose (12) is connected with rising pipe (10), and the outlet of said scupper hose (14) places in the shallow pond (I).
6. like the fowl and livestock farm waste disposal plant of claim 4 or 5 described anti-shock loadings; It is characterized in that: be provided with wadding (5) in the said anaerobic cavity (II); Be provided with filtrate (9) in said first step bacteria bed (III-1) and the second stage bacteria bed (III-2), and on first step bacteria bed (III-1) top and/or second stage bacteria bed (III-2) top plantation wetland plant (11) is arranged.
7. the fowl and livestock farm waste disposal plant of anti-shock loading as claimed in claim 6, it is characterized in that: the top of said anaerobic cavity (II) is dismountable seal cover board (6).
8. the treatment process of the fowl and livestock farm waste disposal plant of anti-shock loading as claimed in claim 6, mainly realize the processing of sewage through following several stages:
Fs, earlier the port of intubate (3) to be carried to the inaccessiable vertex of sewage and fixing, obstruction can be stopped up pipe (15), and the sewage with fowl and livestock farm all is drained in the shallow pond (I) then;
Subordinate phase; Releasing is fixing to intubate (3); Let floating ring (2) float on sewage level, guarantee that intubate (3) can move freely in standpipe (3), sealing between the lower end of intubate (3) and the standpipe (4); And the port of intubate (3) can be driven by floating ring (2) with the decline of sewage level and reduce; Sewage carries out solid-liquid separation in shallow pond (I), but the dirty grain of sedimentation falls to bottom, shallow pond (I), after upper liquid all passes through the port entering standpipe (4) of intubate (3) evenly; Be drained into anaerobic cavity (II) bottom; In anaerobic cavity (II), take place to be drained in first bacteria bed (III-1) through anaerobism water outlet (7) behind the anaerobic reaction, in first bacteria bed (III-1) by comprehensive treating process after, through in entering second bacteria bed (III-2) behind connected entrance (8) vertical baffling again by comprehensive treating process and be stored in the whole bacteria bed (III); When treating that next sewage gets into, the clear liquid up to standard that will be stored in the bacteria bed (III) is discharged from the rising pipe (10) of second bacteria bed (III-2);
Phase III, treat that the sewage in the shallow pond (I) drains, the dirt that is deposited of bottom, shallow pond (I) is done in airing, clears clean then.
9. the treatment process of the fowl and livestock farm waste disposal plant of anti-shock loading as claimed in claim 8 is characterized in that: through realize the processing again of sewage with the next stage:
Stage; The port of intubate (3) is carried to the inaccessiable vertex of water liquid and fixing; Taking-up can be stopped up the tamper in the pipe (15), and the soft suction hose (12) of recycle pump assembly is connected with rising pipe (10), and the outlet of scupper hose (14) is placed in the shallow pond (I); Continue to start water pump then; The upper strata clear water of second stage bacteria bed (III-2) is pumped in the shallow pond (I); Be drained into the first step bacteria bed (III-1) from stopping up pipe (15) again; Get back to second bacteria bed (III-2) through connected entrance (8), its upper strata clear water is pumped to shallow pond (I) again, forms constantly to circulate.
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| CN2010106025038A CN102020401B (en) | 2010-12-23 | 2010-12-23 | An anti-impact load livestock farm sewage treatment device and treatment method thereof |
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| CN2010106025038A CN102020401B (en) | 2010-12-23 | 2010-12-23 | An anti-impact load livestock farm sewage treatment device and treatment method thereof |
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| CN102020401B true CN102020401B (en) | 2012-07-04 |
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| CN1323749A (en) * | 2000-05-17 | 2001-11-28 | 同济大学 | Anerobic hydrolysis and high-performance biological filter as water treating system |
| CN1440940A (en) * | 2002-02-26 | 2003-09-10 | 上海复旦水务工程技术有限公司 | Combined sewage purifying treatment method |
| CN1202032C (en) * | 2002-09-06 | 2005-05-18 | 华南理工大学 | Anaerobic aerobic flocculation precipitation sewage treatment process |
| CN2585857Y (en) * | 2002-12-17 | 2003-11-12 | 汪高社 | Sewage treatment plant |
| CN2641037Y (en) * | 2003-06-13 | 2004-09-15 | 何建旭 | Small life sewage treatment plant |
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