CN101205109B - Apparatus for treating chemical fiber waste water by anaerobic method - Google Patents

Apparatus for treating chemical fiber waste water by anaerobic method Download PDF

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Publication number
CN101205109B
CN101205109B CN2007101440600A CN200710144060A CN101205109B CN 101205109 B CN101205109 B CN 101205109B CN 2007101440600 A CN2007101440600 A CN 2007101440600A CN 200710144060 A CN200710144060 A CN 200710144060A CN 101205109 B CN101205109 B CN 101205109B
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pond
water
pump
sludge
outlet
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CN2007101440600A
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CN101205109A (en
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傅太平
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泉州市天龙环境工程有限公司
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Abstract

The invention provides a device for treating waste water of chemical fiber by adopting an anaerobic method, which relates to a device for treating waste water of industrial production.The invention provides the device for treating waste water of chemical fiber by adopting the anaerobic method, which has economical operation cost and remarkable treating effect.The invention comprise a grid, a water collecting well, a floating oil absorber, a regulating reservoir, an anaerobic pool, a triphase separator, a flow water pulser, a first level biological contact oxidization pond, a first level sedimentation pond, a secondary level biological contact oxidization pond, a secondary level sedimentation pond, a biological carbon pool, a clean water tank, a diving pump, a sludge pool, a submersible sewage pump, a sludge thickener, a dosing tank, a flocculating agent tank, a coagulating tank, a pressure filter, a sludge pump, a first lift pump, a second lift pump, a valve, pipes, etc.

Description

Apparatus for treating chemical fiber waste water by anaerobic method

Technical field

The present invention relates to a kind of industrial production sewage treatment equipment, especially relate to a kind of employing anaerobism (UASB) method and handle high density chemical fiber waste water device.

Background technology

The waste water that produces during trevira is produced, its variation water quality is big, and COD is up to 2600mg/L, and BOD reaches 1000mg/L, and SS reaches 500mg/L, obviously belongs to high concentrated organic wastewater.Organic waste water more easily is degraded by microorganisms, and adopts bioremediation comparatively reasonable.Or handle, or with anaerobism+aerobe processing with full aerobe.See that technically the anaerobic treatment technology requires seldom the energy, volumetric loading is higher than aerobic load, take up an area of and lack, few to the nutrition demand, unit reactor volumetrical organic matter removal amount height, the mud that the anaerobism method produces is few, and the excess sludge dewatering is good, does not use dewatering agent when concentrated.But anaerobic process water outlet COD is higher than aerobic treatment, and it is slow to start reactor.The aerobic technical finesse time is short, and treat effluent COD is lower, but needs consumes energy, and management expectancy is higher, invests higher.Adopt compound treatment process-anaerobism+aerobe treatment technology, add and use the UASB high efficiency anaerobic reactor, make anaerobism+aerobic improvement waste water effect better.In the subsequent handling of this treatment unit, increase by a charcoal pond, promptly utilize the characterization of adsorption of gac, organic pollutant, microorganism and dissolved oxygen etc. in the waste water are enriched in the surface of charcoal, increase the probability of microbiological deterioration organic pollutant, prolong the organic residence time, the enhanced biological Degradation is removed the carbon surface adsorbed organic matter.

Adopt the UASB method to handle chemical fiber waste water, most COD, BOD remove in the UASB anaerobic reactor, have brought benefit to subsequent disposal, thereby save the power consumption that causes owing to oxygen supply greatly.The UASB reactor, because its sludge concentration is very high, activity is also very strong, can handle at normal temperatures, its COD volumetric loading can reach 6~8kgCOD/ (m 3D), be 3~5 times of common anaerobic reactor, also much higher than the volumetric loading of aerobic reactor.Therefore, handle the waste water of identical water quantity and quality, the required common anaerobic reactor of volumetric ratio of UASB anaerobic reactor is much smaller, also much smaller than aerobic reactor, thereby can save floor space and reduce initial cost; Not only quantity is few for the mud that anaerobic reactor is discharged, and stability better, thereby can reduce the sludge treatment expense.Most of organism in the waste water is converted into biogas, recyclable a considerable number of bioenergy.

Publication number is that the application for a patent for invention of CN101003406 discloses a kind of anaerobic-aerobic coupled pneumatic lift type circulation biochemical reactor and method for treating wastewater of chemical fiber.Support external flow guiding cylinder and inner draft tube in the body of the tower of this biochemical reactor, the outside of gas distributor in external flow guiding cylinder is enclosed within; Outer gas distributor and interior gas distributor are fixed on the bottom of body of the tower, and outer gas distributor is enclosed within the outside, bottom of external flow guiding cylinder 3, and interior gas distributor is fixed on interior gas distributor inner bottom part.The present invention is a raw material with chemical fibre industry waste water, utilize this reactor to carry out biochemical treatment, pressurized air enters reactor, and the liquid in the guide shell is moved upward, between the gap of external flow guiding cylinder and two guide shells, form big circulation, and anaerobic and aerobic are coupled.And reach emission standard.Characteristics such as that this technology has is simple to operate, convenient management, the anaerobic-aerobic effect is obvious, cost is low, biochemical treatment is effective are suitable for industrial applications.

Summary of the invention

The objective of the invention is be difficult for to handle up to standard or handle problem such as working cost height, provide a kind of running cost economy, the tangible anaerobic process of treatment effect to handle high density chemical fiber waste water device at the high-concentration waste water in the chemical fibre industry.

The present invention is provided with grid, pump well, oil slick absorption machine, equalizing tank, anaerobic pond, triphase separator, flowing water pulser, one-level biological contact oxidation pond, one-level settling tank, two stage biological contact-oxidation pool, second-level settling pond, charcoal pond, clean water basin, submersible pump, sludge sump, submersible sewage pump, sludge thickener, dosing tank, flocculation agent case, coagulation case, pressure filter, sludge pump, first lift pump, second lift pump, valve and pipeline etc.Grid is located at the pump well import, the oil slick absorption machine is located in the pump well, second lift pump is located at the pump well bottom, the water outlet of second lift pump is communicated with equalizing tank, first lift pump is located at the equalizing tank bottom, the water outlet of first lift pump is communicated with the flowing water pulser, the pulsating water spout of flowing water pulser is connected to the bottom of anaerobic pond, triphase separator is located at anaerobic pond top, the overflow port of triphase separator connects the bottom of one-level biological contact oxidation pond, the water outlet of one-level biological contact oxidation pond is connected to the middle part of one-level settling tank, the water outlet of one-level settling tank is connected to the bottom of two stage biological contact-oxidation pool, the water outlet of two stage biological contact-oxidation pool is connected to the middle part of second-level settling pond, the water outlet of two stage biological contact-oxidation pool is connected to return line towards equalizing tank through Y-junction, the water outlet of second-level settling pond is connected to top, charcoal pond, and the pure water inlet up to standard in charcoal pond is connected to clean water basin, the external water shoot of clean water basin.Submersible pump is located in the clean water basin, and the water outlet of submersible pump is connected to the bottom in charcoal pond, and the rinse liquid outlet on top, charcoal pond is connected to equalizing tank.The air intlet of bottom, charcoal pond and the air intlet of equalizing tank connect compressed air gas source, and the bottom of the bottom of one-level biological contact oxidation pond and two stage biological contact-oxidation pool is provided with aeration head.Anaerobic pond, the one-level settling tank, second-level settling pond bottom settlings sludge outlet connects sludge pump respectively, sludge pump connects sludge sump, submersible sewage pump is set in the sludge sump, the outlet of submersible sewage pump is connected to the sludge thickener top, the thickened sludge outlet of being located at the sludge thickener bottom is connected to the coagulation case through sludge pump, establish the bottom that pipeline is connected to the flocculation agent case between the outlet of sludge thickener and the sludge pump inlet, the mud pump outlet connects the coagulation case, the outlet of coagulation case is connected to pressure filter, the supernatant liquor outlet of sludge thickener is connected to equalizing tank, and the mud pump outlet also is connected to the anaerobic pond bottom.

Between first lift pump and flowing water pulser, under meter can be established, on the pipeline between second lift pump and the equalizing tank, alkali liquid tank can be established.

Anaerobic pond can be provided with flowing water pulser, triphase separator, mud refluxing opening, mud relief outlet, water distributor, active sludge, elastic filler, support, hanger and pond body, the flowing water pulser is fixed on Chi Tishang by support, triphase separator is located at pond body internal upper part and is fused with the pond body, elastic filler is connected on the hanger, and hanger and pond body are fixed.

Triphase separator can be provided with vapor pipe, slip plate, gusset hole, head plate, gusset, hang muscle, pond body, rising pipe, suspension bracket and effluent weir, effluent weir is the cell body of two ends sealing, opening up, the bottom sets out water pipe, effluent weir is fixed on Chi Tishang by suspension bracket, constitute an air chamber by two slip plates and two head plates, its opening down, at least two gussets that have ventilating pit are established in the centre, the upper top of slip plate is established an escape pipe, cell body is provided with at least 4 and hangs muscle, and cell body and pond body are fixed.

The flowing water pulser can be provided with water-in, water outlet, large container, pulse water pipe, small vessels, methane outlet and mounting block, small vessels is installed in the large container, the vessel port of small vessels down, a sheathed pulse water pipe in the small vessels, the water outlet of pulse water pipe is located at below the bottom of large container, side at large container is established water-in, sets out gas port on the top of large container, establishes mounting block between the top of the top of small vessels and large container.

Biological contact oxidation pond can be provided with water-in, inlet mouth, gas distribution pipe, aeration head, elastic filler, hanger, water outlet and pond body, and gas distribution pipe is located at the bottom of the pond, and aeration head is loaded on the gas distribution pipe, and elastic filler is suspended on the hanger, and hanger is contained in Chi Tishang,

Settling tank can be provided with water-in, inclined tube honeycomb padding, support, water outlet, pond body and sludge outlet, and on the inclined tube honeycomb padding placing rack, support is fixed on Chi Tishang, and the inwall of body bottom, pond is sloping shape.

The charcoal pond can be provided with 2 water-ins, 2 water outlets, effluent weir, the pond body, gac, cobble, the overcurrent support plate, inlet mouth and gas distribution pipe, effluent weir is the cell body of closed at both ends, opening up, spination is established in both sides, effluent weir and pond body are fixed as one, gac, cobble is placed on the overcurrent support plate, the overcurrent support plate is fixed on Chi Tishang, gas distribution pipe places at the bottom of the pond, and pressurized air taps into gas port, and inlet mouth leads to gas distribution pipe, the water-in of the bottom in pond inserts recoil water, the water-in on the top in pond connects the rising pipe of settling tank, and the water outlet of the bottom in pond connects the water inlet of clean water basin, and the water outlet on the top in pond is connected to neutralization tank.

During work, factory effluent flows into sewage works by water shoot, at first enters pump well after grid is removed the bulk foreign material, collects oil slick by the oil slick absorption machine.Waste water by the lift pump in the pump well in the pipeline suction and equalizing tank.Waste water needs to add alkali at this and regulates pH value, and homogeneous is all measured, and sewage is regulated evenly, in and carry out preaeration in the equalizing tank, then by in and the equalizing tank lift pump enter bottom the UASB anaerobic pond in the mode of pulse water-feeding through the flowing water pulser.In the UASB anaerobic pond, utilize acidifying, the hydrolytic action of anerobe, polymer organic pollutant in the waste water (as terephthalic acid, acetaldehyde, ethylene glycol etc.) chain rupture is decomposed into small molecules organic compound such as organic acid, is beneficial to follow-up aerobic biochemical degraded.Spinning oil in the polyester sewage is a kind of tensio-active agent, and in like manner, the foaming group of tensio-active agent also correspondingly is damaged, and also can play to suppress contact-oxidation pool internal cause blast aeration and produce a large amount of foamy effects.Anaerobic pond water outlet gravity flow enters the one-level biological contact oxidation pond, and various organic pollutants are converted into CO by the oxygenolysis of aerobic microbiological in the water 2, H 2The material that O etc. are harmless, thus reach the purpose of removing pollutent.The water outlet of one-level biological contact oxidation pond is carried out solid-liquid separation through the one-level settling tank again, and the microbial film that comes off on the one-level biological contact oxidation pond filler and other suspended substance are in this precipitation and be collected in the settling tank sludge bucket.One-level settling tank water outlet gravity flow enters the two stage biological contact-oxidation pool, and various organic pollutants are converted into CO by the oxygenolysis of aerobic microbiological in the water 2, H 2The material that O etc. are harmless, thus reach the purpose of removing pollutent.The water outlet of two stage biological contact-oxidation pool is carried out solid-liquid separation through second-level settling pond again, and the microbial film that comes off on the two stage biological contact-oxidation pool filler and other suspended substance are in this precipitation and be collected in the settling tank sludge bucket.The second-level settling pond water outlet is divided into two portions, and wherein a part is flow automatically back equalizing tank as recirculation water, and with the Pollutant levels of dilution water inlet, rest part enters the charcoal pond.Utilize the charcoal pond to have the comprehensive treating process effect of absorption, filtration, biochemical degradation, with the remaining pollutant removal in the sewage, the water outlet of charcoal pond can be passed through the final qualified discharge of clean water basin.The charcoal pond needs regular back flushing, utilizes clear water that clean water basin the store recoil water source as the charcoal pond, and the recoil water outlet is flowed back to equalizing tank and handled again.The precipitating sludge of anaerobic pond, one-level settling tank, second-level settling pond regularly is pumped to sludge sump by sludge pump, returns the anaerobic pond digest and decompose with sludge pump then.Unnecessary mud is squeezed into sludge thickener, and the mud after concentrating is delivered to belt filter press and carried out the filter-press dehydration processing, the mud cake outward transport landfill of dehydration.During the supernatant liquor of sludge thickener, the pressing filtering liquid of belt filter press return and equalizing tank handle.The biogas that anaerobic pond produces effluxes (should note security against fire) by pipeline or burning is used.

Description of drawings

Fig. 1 is structure composition and the support equipment and the pipeline annexation figure of the embodiment of the invention.

Fig. 2 is the anaerobic pond structural representation of the embodiment of the invention.

Fig. 3 is the triphase separator structural representation of the embodiment of the invention.

Fig. 4 is the flowing water pulser structural representation of the embodiment of the invention.

Fig. 5 is the biological contact oxidation pond structural representation of the embodiment of the invention.

Fig. 6 is the settling tank structural representation of the embodiment of the invention.

Fig. 7 is the charcoal pool structure synoptic diagram of the embodiment of the invention.

Embodiment

Referring to Fig. 1~7, the present invention is provided with grid 1, pump well 2, oil slick absorption machine 3, alkali liquid tank 4, equalizing tank 5, anaerobic pond 6, triphase separator 7, flowing water pulser 8, one-level biological contact oxidation pond 9, one-level settling tank 10, two stage biological contact-oxidation pool 11, second-level settling pond 12, charcoal pond 13, clean water basin 14, submersible pump 15, sludge sump 16, submersible sewage pump 17, sludge thickener 18, sludge pump 19, flocculation agent case 20, coagulation case 21, pressure filter 22, under meter 23, first lift pump 24, second lift pump 25, sludge pump 26, sludge pump 27, sludge pump 28, valve and pipeline etc.Grid 1 is located at pump well 2 imports, oil slick absorption machine 3 is located in the pump well 2, second lift pump 25 is located at pump well 2 bottoms, the water outlet of second lift pump 25 is communicated with equalizing tank 5, first lift pump 24 is located at equalizing tank 5 bottoms, the water outlet of first lift pump 24 is communicated with flowing water pulser 8, the pulsating water spout of flowing water pulser 8 is connected to the bottom of anaerobic pond 6, triphase separator 7 is located at anaerobic pond 6 tops, the overflow port of triphase separator 7 connects the bottom of one-level biological contact oxidation pond 9, the water outlet of one-level biological contact oxidation pond 9 is connected to the middle part of one-level settling tank 10, the water outlet of one-level settling tank 10 is connected to the bottom of two stage biological contact-oxidation pool 11, the water outlet of two stage biological contact-oxidation pool 11 is connected to the middle part of second-level settling pond 12, the water outlet of two stage biological contact-oxidation pool 11 is connected to towards the return line of equalizing tank 5 through Y-junction, the water outlet of second-level settling pond 12 is connected to 13 tops, charcoal pond, the pure water inlet up to standard in charcoal pond 13 is connected to clean water basin 14, clean water basin 14 external water shoots.Submersible pump 15 is located in the clean water basin 14, and the water outlet of submersible pump 15 is connected to the bottom in charcoal pond 13, and the rinse liquid outlet on 13 tops, charcoal pond is connected to equalizing tank 5.The air intlet of 13 bottoms, charcoal pond and the air intlet of equalizing tank 5 connect compressed air gas source, and the bottom of the bottom of one-level biological contact oxidation pond 9 and two stage biological contact-oxidation pool 11 is provided with aeration head.Anaerobic pond 6, one-level settling tank 10, second-level settling pond 12 bottom settlings sludge outlets connect sludge pump 26~28 respectively, sludge pump 26~28 connects sludge sump 16 respectively, submersible sewage pump 17 is set in the sludge sump 16, the outlet of submersible sewage pump 17 is connected to sludge thickener 18 tops, the thickened sludge outlet of being located at sludge thickener 18 bottoms is connected to coagulation case 21 through sludge pump 19, establish the bottom that pipeline is connected to flocculation agent case 20 between the outlet of sludge thickener 18 and sludge pump 19 inlets, the outlet of sludge pump 19 connects coagulation case 21, the outlet of coagulation case 21 is connected to pressure filter 22, the supernatant liquor outlet of sludge thickener 18 is connected to equalizing tank 5, and the outlet of sludge pump 19 also is connected to anaerobic pond 6 bottoms.

Under meter 23 is located between first lift pump 24 and the flowing water pulser 8, and alkali liquid tank 4 is located on the pipeline between second lift pump 25 and the equalizing tank 5.

During use, factory effluent flows to pump well 2 through grid 1, during lift pump 25 in the pump well 2 is evacuated to waste water and equalizing tank 5 bottoms, in and the lift pumps in the equalizing tank 5 24 will in and the aqueous solution be evacuated to flowing water pulser 8 by under meter 23, flow to the bottom of anaerobic pond 6 by the pulsating water of pulser 8 generations, the bottom of waste water through anaerobic pond 6 biochemical treatments from the triphase separator overflow to one-level biological contact oxidation pond 9, the water outlet of one-level biological contact oxidation pond 9 is connected to the middle part of one-level settling tank 10, the water outlet of one-level settling tank 10 is connected to the bottom of two stage biological contact-oxidation pool 11, and the water outlet of two stage biological contact-oxidation pool 11 is connected to the middle part of second-level settling pond 12; Water outlet at two stage biological contact-oxidation pool 11 is connected to towards the return line of neutralization tank 5 by Y-junction, reflux herein be when the concentration of aqueous solution that enters second-level settling pond is higher, allow its reflux part in and equalizing tank 5, dilute; Flow to 13 tops, charcoal pond from the water outlet in pond, secondary sinker shallow lake 12, the water purification up to standard after charcoal 13 filters is from the pond underflow to clean water basin 14, clean water basin 14 external water shoots.Clean water basin 14 built-in submersible pumps 15, submersible pump 15 water outlets are received the bottom in charcoal pond 13, its purposes is regularly charcoal pond 13 to be cleaned, scavenging solution washes from bottom to top, scavenging solution is then from the top in charcoal pond 13 flows back into and equalizing tank 5, in cleaning charcoal pond 13 processes, open the pressurized air that feeds 13 bottoms, charcoal pond, make cleaning performance better.Pressurized air from and the bottom of equalizing tank 5 insert aeration head, make its in and play the stirred liq effect, homogenizing water quality in the equalizing tank 5; Pressurized air is connected to aeration head separately from the bottom of one-level biological contact oxidation pond 9 and the bottom of two stage biological contact-oxidation pool 11, as aeration in the pond, carries out bio-contact oxidation and handles.Anaerobic pond 6, one-level settling tank 10, sedimentary mud is regularly by sludge pump 26 at the bottom of second-level settling pond 12 ponds, sludge pump 27, sludge pump 28 is evacuated to sludge sump 16, sludge pump 17 is set in the sludge sump 16, the outlet of sludge pump 17 is connected to sludge thickener 18 tops, mud after sludge thickener 18 concentrates drains into coagulation case 21 from its bottom by sludge pump 19, establish the bottom that pipe is connected to flocculation agent case 20 between the outlet of sludge thickener 18 and sludge pump 19 inlets, flocculation agent enters coagulation case 21 by sludge pump 19, water-containing sludge is stirred in coagulation case 21, and under the flocculation agent effect, make the water-containing sludge solid-liquid separation, through pressure filter 22 extrusion dehydrations, solid dirt is extruded, outward transport is handled, during filtrate is flowed back to and equalizing tank 5.The supernatant liquor that is produced behind sludge thickener 18 thickened sludges is in being back to and equalizing tank 5.The outlet of sludge pump 19 also is connected to anaerobic pond 6 bottoms, in order to regularly to be back to anaerobic pond 6 from sludge sump 16 sucking sludge, replenishes mud, satisfies anaerobic pond 6 and carries out the requirement that anaerobic biological is handled.

Referring to Fig. 2, anaerobic pond 6 is established mud refluxing opening 61, mud relief outlet 62, water distributor 63, active sludge 64, elastic filler 65, support 66, hanger 67 and pond body 68.The flowing water pulser is fixed on the pond body 68 by support 66, triphase separator fuses in pond body internal upper part and pond body, and elastic filler 65 is connected on the support 66, and support 66 is fixing with pond body 68, waste water enters the flowing water pulser through the waste water import, from water distributor 63 water outlets, enter at the bottom of the pond, active sludge 64 is stirred, cause vigorous agitation in the anaerobic pond, evoke the settled sludge at the bottom of the pond, strengthen the contact between the muddy water, thereby reach the water that newly enters anaerobic pond and the mud at the bottom of the pond plays stirring action.Make formation suspended layer in sludge blanket top in the anaerobic pond, waste water and active sludge produce excellent contact, form anaerobic reaction, produce biogas under the anaerobic status based on methane and carbonic acid gas, enter the top air chamber of flowing water pulser and the air chamber of three phase separation gas, biogas is collected by pipeline and is made utilization.Elastic filler 65 is to be worn by the polyvinyl silk to be hung on the plastic ties, and plastic ties is suspended on the hanger 67, forms string shape strand, by forming a suspension type 3 D elastic filler monomer in the effective area of many strings strand in pond body 68.Waste water in the pond on flow, waste water is in the process by elastic filler, and water, gas, microbial film obtain fully mixing and ooze the contact exchange, microbial film then equably implantation on each rhizoid bar, activity that filler retention is good and space mutability play the scrubbing effect.Waste water after the elastic filler scrubbing flows into one-level biological contact oxidation pond 9 from water outlet.The mud that anaerobic reaction produces is evacuated to sludge sump 16 (referring to Fig. 1) from mud relief outlet 62 by sludge pump 26 at the bottom of falling to the pond.The effect of mud refluxing opening 61 is when the UASB anaerobic pond need replenish active sludge, as activated sludge inlet.

Referring to Fig. 3, triphase separator 7 is established vapor pipe 71, slip plate 72, gusset hole 73, head plate 74, gusset 75, is hung muscle 76, pond body 77, rising pipe 78, suspension bracket 79 and effluent weir 710.The pond body 77 of triphase separator 7 is microscler cell body, and its lower opening, two side lower parts are funnel-form.The effect of triphase separator is to carry out three-phases such as solid, gas and liquid to be decomposed, and biogas is introduced collection chamber, and solid particulate is imported reaction zone, and the waste water after handling is introduced water port.Effluent weir 710 is the cell body of two ends sealing, opening up, the bottom sets out water pipe 78, effluent weir is fixed on the pond body 77 by suspension bracket 79, be the triangular shape cell body by two slip plates 72 and two head plates 74 looking closely of constituting, its opening down, the gusset 75 that has ventilating pit 73 more than two is established in the centre, the upper top of slip plate 72 is established an escape pipe 71, and the outlet of escape pipe 71 will exceed the water outlet liquid level of effluent weir 710.Cell body is fixed with pond body 77 by the muscle 76 that hangs more than 4.

Referring to Fig. 4, flowing water pulser 8 is established water-in 81, water outlet 82, large container 83, pulse water pipe 84, small vessels 85, methane outlet 86 and mounting block 87.The effect of flowing water pulser be enter in the UASB anaerobic pond 6 waste water at short notice pulse formation increase the muddy water contact strength greater than the impact flow of average discharge.Small vessels 85 is installed in the large container 83, the vessel port of small vessels 85 down, a sheathed pulse water pipe 84 in the small vessels 85, the water outlet 82 of pulse water pipe 84 is located at below the bottom of large container 83, side at large container 83 is established water-in 81, set out gas port 86 on the top of large container 83, between the top of the top of small vessels 85 and large container 83, establish mounting block 87.

Referring to Fig. 5, biological contact oxidation pond 9 (or biological contact oxidation pond 11) is established water-in 91, inlet mouth 92, gas distribution pipe 93, aeration head 94, elastic filler 95, hanger 96, water outlet 97 and pond body 98.The effect of biological contact oxidation pond is that waste water is carried out biochemical treatment, removes organic pollutant.Through anaerobic pond 6 or one-level settling tank 10 effusive waste water at the bottom of water-in 91 flows into biological contact oxidation pond 9 (or biological contact oxidation pond 11) ponds, pressurized air advances gas distribution pipe 93 through inlet mouth 92, advertise through aeration head 94 again, elastic filler 95 is to be worn by the polyvinyl silk to be hung on the plastic ties, plastic ties is suspended on the hanger 96, form string shape strand, by forming a suspension type 3 D elastic filler monomer in the effective area of many strings strand in pond body 98.After waste water enters in the pond at the bottom of the pond, obtain to stir through aeration, and in the pond on flow, waste water is by elastic filler the time, water, gas, microbial film obtain mixing fully oozing and contact exchange, microbial film then equably implantation on each rhizoid bar, activity that filler retention is good and space mutability, the waste water after the elastic filler scrubbing flows into one-level settling tank 10 or second-level settling ponds 12 from water outlet 97.

Referring to Fig. 6, settling tank 10 (or settling tank 12) is established water-in 101, inclined tube honeycomb padding 102, water outlet 103, support 104, pond body 105 and sludge outlet 106.Settling tank bottom pool wall is the gradient, settling tank-effect be the mud that separates in the waste water, waste water enters the pond from water-in 101, hydraulic retention through certain hour, waste water is flowed through in the process of inclined tube honeycomb padding 102, and mud produces particles settling, flows at the bottom of the pond, inclined tube honeycomb padding 102 is positioned on the support 104, and support is fixed on the pond body 105.Mud is evacuated to sludge sump 16 by sludge outlet 106 by sludge pump 27 (or 28), and the waste water of post precipitation flows into charcoal pond 13 or flows into two stage biological contact-oxidation pool 11 from water outlet 103.

Referring to Fig. 7, water-in 131, water-in 132, effluent weir 133, water outlet 134, pond body 135, gac 136, cobble 137, overcurrent support plate 138, water outlet 139, inlet mouth 1310 and gas distribution pipe 1311 are established in charcoal pond 13.The effect in charcoal pond 13 is that waste water is further purified, qualified discharge.Waste water is connected to the water-in 132 in charcoal pond 13 from second-level settling pond 12 (referring to Fig. 1) water outlet, enter effluent weir 133, from effluent weir 133 overflows, (effluent weir 133 is the cell body of two ends sealing, spination is established in both sides, effluent weir and pond body 135 are fixed as one) down through gac 136, cobble 137 absorption, filtration organic pollutant, purifying waste water flows at the bottom of the pond, from water outlet 139 dischargings.Water-in 132 is the inlet of recoil water, regular gac 136 to the charcoal pond, cobble 137 cleans, remove the organic pollutant that is adsorbed, make gac 136, cobble 137 keeps filtering, adsorptive power, gac and cobble are placed on the overcurrent support plate 138, the overcurrent support plate is fixed on the pond body 135, gas distribution pipe 1311 places at the bottom of the pond, to gac 136, during cobble 137 anti-cleanings, pressurized air is through inlet mouth 1310, gas distribution pipe 1311 is blown, make scavenging solution and gac 136 in the cleaning process, obtain sufficient pressure contact between the quartz sand, improve cleaning performance.Scavenging solution is from water outlet 134 flows into and equalizing tank 5.

Claims (9)

1. apparatus for treating chemical fiber waste water by anaerobic method is characterized in that being provided with grid, pump well, oil slick absorption machine, equalizing tank, anaerobic pond, triphase separator, flowing water pulser, one-level biological contact oxidation pond, one-level settling tank, two stage biological contact-oxidation pool, second-level settling pond, charcoal pond, clean water basin, submersible pump, sludge sump, submersible sewage pump, sludge thickener, dosing tank, flocculation agent case, coagulation case, pressure filter, first sludge pump, second sludge pump, the 3rd sludge pump, the 4th sludge pump, first lift pump, second lift pump, valve and pipeline; Grid is located at the pump well import, the oil slick absorption machine is located in the pump well, second lift pump is located at the pump well bottom, the water outlet of second lift pump is communicated with equalizing tank, first lift pump is located at the equalizing tank bottom, the water outlet of first lift pump is communicated with the flowing water pulser, and the pulsating water spout of flowing water pulser is connected to the bottom of anaerobic pond; Triphase separator is located at anaerobic pond top, the overflow port of triphase separator connects the bottom of one-level biological contact oxidation pond, the water outlet of one-level biological contact oxidation pond is connected to the middle part of one-level settling tank, the water outlet of one-level settling tank is connected to the bottom of two stage biological contact-oxidation pool, the water outlet of two stage biological contact-oxidation pool is connected to the middle part of second-level settling pond, the water outlet of two stage biological contact-oxidation pool is connected to return line towards equalizing tank through Y-junction, the water outlet of second-level settling pond is connected to top, charcoal pond, the pure water inlet up to standard in charcoal pond is connected to clean water basin, the external water shoot of clean water basin; Submersible pump is located in the clean water basin, the water outlet of submersible pump is connected to the bottom in charcoal pond, the rinse liquid outlet on top, charcoal pond is connected to equalizing tank, the air intlet of bottom, charcoal pond and the air intlet of equalizing tank connect compressed air gas source, the bottom of the bottom of one-level biological contact oxidation pond and two stage biological contact-oxidation pool is provided with aeration head, anaerobic pond, the one-level settling tank, second-level settling pond bottom settlings sludge outlet connects first sludge pump respectively, second sludge pump and the 3rd sludge pump, first sludge pump, second sludge pump and the 3rd sludge pump connect sludge sump, submersible sewage pump is set in the sludge sump, the outlet of submersible sewage pump is connected to the sludge thickener top, the thickened sludge outlet of being located at the sludge thickener bottom is connected to the coagulation case through the 4th sludge pump, establish the bottom that pipeline is connected to the flocculation agent case between the outlet of sludge thickener and the 4th sludge pump inlet, the 4th mud pump outlet connects the coagulation case, the outlet of coagulation case is connected to pressure filter, the supernatant liquor outlet of sludge thickener is connected to equalizing tank, and the 4th mud pump outlet also is connected to the anaerobic pond bottom.
2. apparatus for treating chemical fiber waste water by anaerobic method as claimed in claim 1 is characterized in that establishing under meter between first lift pump and flowing water pulser.
3. apparatus for treating chemical fiber waste water by anaerobic method as claimed in claim 1 is characterized in that establishing alkali liquid tank on the pipeline between second lift pump and the equalizing tank.
4. apparatus for treating chemical fiber waste water by anaerobic method as claimed in claim 1, it is characterized in that anaerobic pond establishes flowing water pulser, triphase separator, mud refluxing opening, mud relief outlet, water distributor, active sludge, elastic filler, support, hanger and pond body, the flowing water pulser is fixed on Chi Tishang by support, triphase separator is located at pond body internal upper part and is fused with the pond body, elastic filler is connected on the hanger, and hanger and pond body are fixed.
5. apparatus for treating chemical fiber waste water by anaerobic method as claimed in claim 1, it is characterized in that triphase separator is provided with vapor pipe, the slip plate, the gusset hole, head plate, gusset, hang muscle, the pond body, rising pipe, suspension bracket and effluent weir, effluent weir is the cell body of two ends sealing, opening up, the bottom sets out water pipe, effluent weir is fixed on Chi Tishang by suspension bracket, constitute an air chamber by two slip plates and two head plates, its opening down, at least two gussets that have ventilating pit are established in the centre, the upper top of slip plate is established an escape pipe, and cell body is provided with at least 4 and hangs muscle, and cell body and pond body are fixed.
6. apparatus for treating chemical fiber waste water by anaerobic method as claimed in claim 1, it is characterized in that the flowing water pulser is provided with water-in, water outlet, large container, pulse water pipe, small vessels, methane outlet and mounting block, small vessels is installed in the large container, the vessel port of small vessels down, a sheathed pulse water pipe in the small vessels, the water outlet of pulse water pipe is located at below the bottom of large container, side at large container is established water-in, top at large container sets out gas port, establishes mounting block between the top of the top of small vessels and large container.
7. apparatus for treating chemical fiber waste water by anaerobic method as claimed in claim 1, it is characterized in that one-level biological contact oxidation pond and two stage biological contact-oxidation pool are equipped with water-in, inlet mouth, gas distribution pipe, aeration head, elastic filler, hanger, water outlet and pond body, gas distribution pipe is located at the bottom of the pond, aeration head is loaded on the gas distribution pipe, elastic filler is suspended on the hanger, and hanger is contained in Chi Tishang.
8. apparatus for treating chemical fiber waste water by anaerobic method as claimed in claim 1, it is characterized in that one-level settling tank and second-level settling pond are equipped with water-in, inclined tube honeycomb padding, support, water outlet, pond body and sludge outlet, on the inclined tube honeycomb padding placing rack, support is fixed on Chi Tishang, and the inwall of body bottom, pond is sloping shape.
9. apparatus for treating chemical fiber waste water by anaerobic method as claimed in claim 1, it is characterized in that the charcoal pond is provided with 2 water-ins, 2 water outlets, effluent weir, the pond body, gac, cobble, the overcurrent support plate, inlet mouth and gas distribution pipe, effluent weir is the cell body of closed at both ends, opening up, the both sides indentation, effluent weir and pond body are fixed as one, gac, cobble is placed on the overcurrent support plate, the overcurrent support plate is fixed on Chi Tishang, gas distribution pipe places at the bottom of the pond, pressurized air taps into gas port, inlet mouth leads to gas distribution pipe, and the water-in of being located at bottom, charcoal pond inserts recoil water, and the water-in on top, charcoal pond connects the rising pipe of settling tank, the water outlet of bottom, charcoal pond connects the water inlet of clean water basin, and the water outlet on top, charcoal pond is connected to equalizing tank.
CN2007101440600A 2007-12-18 2007-12-18 Apparatus for treating chemical fiber waste water by anaerobic method CN101205109B (en)

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CN102491591B (en) * 2011-12-09 2014-12-03 宜兴市荣盛达环保有限公司 Sewage treating and recycling system and method for high-concentration polyester slices
CN102849897A (en) * 2012-08-29 2013-01-02 昆山市万丰制衣有限责任公司 Printing and dyeing wastewater processing method
CN103387315A (en) * 2013-07-29 2013-11-13 绍兴水处理发展有限公司 Process for treating sewage by virtue of combined technology of pretreatment and two stages of aeration
CN103435233B (en) * 2013-09-10 2015-03-18 北京英特环科水处理工程设备有限公司 Equipment and method for recycling chemical fiber continuous-spinning wastewater
CN104150690B (en) * 2014-07-25 2015-10-14 席北斗 A kind of sterilization integrated sewage treatment device and treatment process
CN105110569A (en) * 2015-09-16 2015-12-02 中国电建集团成都勘测设计研究院有限公司 Contact oxidation sewage treatment system and contact oxidation sewage treatment technology

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