CN203498222U - System for treating industrial wastewater generated in kid lamb skin processing industry - Google Patents

System for treating industrial wastewater generated in kid lamb skin processing industry Download PDF

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CN203498222U
CN203498222U CN201320528314.XU CN201320528314U CN203498222U CN 203498222 U CN203498222 U CN 203498222U CN 201320528314 U CN201320528314 U CN 201320528314U CN 203498222 U CN203498222 U CN 203498222U
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pond
pipeline
processing industry
pool
treatment
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王翔
吴连成
刘峻
阮永菲
张金菊
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HENAN ZHENGDA ENVIRONMENT SCIENCE AND TECHNOLOGY CONSULTING ENGINEERING CO LTD
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HENAN ZHENGDA ENVIRONMENT SCIENCE AND TECHNOLOGY CONSULTING ENGINEERING CO LTD
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Abstract

The utility model discloses a system for treating industrial wastewater generated in the kid lamb skin processing industry. The system comprises a pre-aeration regulating reservoir and an oil separation settling tank connected with the pre-aeration regulating reservoir through a sewage pipeline, wherein the oil separation settling tank and a middle water pond I are subjected to combined construction, and the middle water pond I is connected with a UASB (upflow anaerobic sludge blanket) reactor through a pipeline; the UASB reactor is connected with an aeration settling tank through a pipeline, the aeration settling tank is connected with a biological contact oxidation pond through a pipeline, and the biological contact oxidation pond is connected with a second settling pond through a pipeline; the second settling pond is connected with a perforated rotational flow inclined tube settling pond through a pipeline, the perforated rotational flow inclined tube settling pond is connected with a middle water pond II through a pipeline, and the middle pond II is connected with a multi-media filter through a pipeline; the multi-media filter is connected with an activated charcoal filter through a pipeline, and the activated charcoal filter is connected with a clean water pond through a pipeline. The system provided by the utility model has the advantages of being economic and practical and is specially used for treating the industrial wastewater generated in the kid lamb skin processing industry, a technical blank for treating the industrial wastewater generated in the kid lamb skin processing industry is filled up, the economic benefit of an enterprise is improved, the operating cost is reduced, and meanwhile, the environment pollution is reduced.

Description

A kind of system for the treatment of cunning skin processing industry factory effluent
Technical field
The utility model relates to field of waste water treatment, is specially a kind of system of processing cunning skin processing industry factory effluent that is specifically designed to.
Technical background
Cunning skin is after goat lamb gives birth to, in 1 ~ 3 day, to kill the fur that stripping is processed into, and claims cunning sub-skin.Therefore be blue or green cunning skin because its look blue or green, with its hair, be curling shape, soft frivolous, there is good heat retention, make fur coat clothes for first-class raw material.
Cunning skin can produce a large amount of waste water in processing process, be mainly derived from and wash skin, tanning and dyeing workshop section, contain the materials such as formaldehyde, protein, grease, salt, sulfide and hairs, silt particle, have complicated component, organic concentration is high, suspension object height, sulfide high.
There have been at present much the patents about leather waste water aspect, such as 95111298.8,200810117794.4,201010293157.X, 201110079680.7,201210595501.X, 201310144756.9 etc.But the problems such as investment is more, complex process, poor processing effect that these patents exist to some extent, and there is no a kind of Waste Water Treatment that is directed to specially cunning skin processing industry.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the utility model provide a kind of economic and practical, be specifically designed to device and the treatment process thereof of processing cunning skin processing industry factory effluent, system for anaerobic treatment, aerobic treatment system and advanced treatment system are combined, reduce the running cost of Waste Water Treatment, reduce the pollution of waste water to environment.
The purpose of this utility model is achieved in that
A system for the treatment of cunning skin processing industry factory effluent, is characterized in that: comprise preaeration equalizing tank 2, and the oil partiting precipitation pool 6 being connected with preaeration equalizing tank by sewer line, oil partiting precipitation pool 6 and 1 #intermediate pool 8 is built jointly, and 1 #intermediate pool 8 connects UASB reactor 10 by pipeline, UASB reactor 10 connects aerated precipitation tank 14 by pipeline, aerated precipitation tank 14 connects biological contact oxidation pond 21 by pipeline, biological contact oxidation pond 21 connects second pond 22 by pipeline, second pond 22 connects perforation eddy flow tube settler 29 by pipeline, and perforation eddy flow tube settler 29 connects 2 by pipeline #intermediate pool 31,2 #intermediate pool 31 connects more medium filter 33 by pipeline, and more medium filter 33 connects activated charcoal filter 34 by pipeline, and activated charcoal filter 34 connects clean water basin 36 by pipeline.
Described preaeration equalizing tank 2 water inlets are provided with grid 1, are provided with the preaerator 3 and the first sewage pump 5 that by air line, are connected with the first gas blower 4 at the bottom of pond;
Described oil partiting precipitation pool 6 is provided with running type skimmed oil pump suction dredger 7, and mud enters mud storage pond 37.
Described 1 #intermediate pool 8 is connected with the second sewage pump 9.
The bottom of described UASB reactor 10 be provided with from 1 #intermediate pool 8 to the water-distributing device 11 that is connected of sewer line, the top of UASB reactor 10 is also provided with gas-solid-liquid triphase separator 12, and the water-sealed tank 13 that is positioned at UASB reactor 10 tops, mud enters mud storage pond 37.
At the bottom of described aerated precipitation tank 14 ponds, coagulation district, be provided with the distribution device 16 being connected by air line with the second gas blower 15, settling region is provided with the first guide shell 17.
Described biological contact oxidation pond 21 is provided with elastic solid filler 18, is provided with the aerating apparatus 20 being connected by air line with the 3rd gas blower 19 at the bottom of pond.
In described second pond 22 ponds, be provided with the second guide shell 23, and be provided with the first sludge pump 24, mud enters mud storage pond 37.
On described perforation eddy flow tube settler 29 and the pipeline between second pond 22, be provided with the first line mixer 27 and second pipe mixing tank 28, the first line mixer 27 is connected with PAM chemicals dosing plant 26 with PAC chemicals dosing plant 25 respectively with second pipe mixing tank 28, perforation eddy flow tube settler 29 is provided with inclined tube 30, and mud enters mud storage pond 37.
Described 2 #intermediate pool 31 is provided with the 3rd sewage pump 32, after connect successively more medium filter 33 and activated charcoal filter 34.
Described clean water basin 36 are provided with the 4th sewage pump 35, and for more medium filter 33 and the activated charcoal filter 34 of recoiling, backwashing water is disposed to preaeration equalizing tank 2.
At the bottom of described mud storage 37 ponds, pond, be provided with the distribution device 39 being connected by air line with the 4th gas blower 38, after connect the second sludge pump 40, by 41 dehydrations of belt type sludge thickening all-in-one, being compressed into mud cake outward transport processes, pressing filtering liquid is disposed to preaeration equalizing tank 2, reenters this Waste Water Treatment.
positive beneficial effect:the utility model is a kind of economic and practical, system of being specifically designed to cunning skin processing industry production wastewater treatment, filled up the technological gap of cunning skin processing industry production wastewater treatment, the economic benefit that has improved enterprise, has reduced running cost, has reduced the pollution to environment simultaneously.
Accompanying drawing explanation
Fig. 1 system architecture schematic diagram of the present utility model
In figure: grid 1, preaeration equalizing tank 2, preaerator 3, the first gas blower 4, the first sewage pump 5, oil partiting precipitation pool 6, running type skimmed oil pump suction dredger 7,1 #intermediate pool 8, the second sewage pump 9, UASB reactor 10, water-distributing device 11, gas-solid-liquid triphase separator 12, water-sealed tank 13, aerated precipitation tank 14, the second gas blower 15, distribution device 16, the first guide shell 17, elastic solid filler 18, the 3rd gas blower 19, aerating apparatus 20, biological contact oxidation pond 21, second pond 22, the second guide shell 23, the first sludge pump 24, PAC chemicals dosing plant 25, PAM chemicals dosing plant 26, the first line mixer 27, second pipe mixing tank 28, perforation eddy flow tube settler 29, inclined tube 30, 2 #intermediate pool 31, the 3rd sewage pump 32, more medium filter 33, activated charcoal filter 34, the 4th sewage pump 35, clean water basin 36, mud storage pond 37, the 4th gas blower 38, distribution device 39, the second sludge pump 40, belt type sludge thickening all-in-one 41.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
As shown in Figure 1, a kind of for the treatment of cunning skin processing industry factory effluent device, it is characterized in that: comprise preaeration equalizing tank 2, and the oil partiting precipitation pool 6 being connected with preaeration equalizing tank by sewer line, oil partiting precipitation pool 6 and 1 #intermediate pool 8 is built jointly, and 1 #intermediate pool 8 connects UASB reactor 10 by pipeline, UASB reactor 10 connects aerated precipitation tank 14 by pipeline, aerated precipitation tank 14 connects biological contact oxidation pond 21 by pipeline, biological contact oxidation pond 21 connects second pond 22 by pipeline, second pond 22 connects perforation eddy flow tube settler 29 by pipeline, and perforation eddy flow tube settler 29 connects 2 by pipeline #intermediate pool 31,2 #intermediate pool 31 connects more medium filter 33 by pipeline, and more medium filter 33 connects activated charcoal filter 34 by pipeline, and activated charcoal filter 34 connects clean water basin 36 by pipeline.
Factory effluent first passes through grid 1, and residual wool and other larger-size floating matter and suspended substance in interception waste water, prevents from stopping up the treatment facilities such as follow-up sewage pump, pipeline valve, guarantees the normal operation of sewage treatment facility.
Waste water enters the interior regulating pondage of preaeration equalizing tank 2, water quality subsequently, is provided with the 3 pairs of waste water of preaerator that are connected by air line with the first gas blower 4 simultaneously and stirs at the bottom of pond.By the first sewage pump 5, promote and enter oil partiting precipitation pool 6.
Not only oil removing but also precipitate in addition function of oil partiting precipitation pool 6, can remove in water can sedimentation solid pollutant, be provided with running type skimmed oil pump suction dredger 7, for collecting top layer greasy dirt, adsorb pool bottom sludge simultaneously and enter mud storage pond 37.
1 #intermediate pool 8 is built jointly with oil partiting precipitation pool 6, by the second sewage pump 9, waste water is promoted in UASB reactor 10 reactors by water-distributing device 11, by reaction zone, through gas-solid-liquid triphase separator 12, enters settling region; After biogas is separated, enter collection chamber, by water-sealed tank 13, be discharged in air; In UASB reactor 10, do not establish whipping device, the air-flow that ascending current and biogas produce can meet stirring requirement completely simultaneously, simple structure, convenient operation operation.
Waste water in UASB reactor 8 is flow automatically and is entered aerated precipitation tank 14 by water leg, and aerated precipitation tank is provided with distribution device 16 in 14 coagulation districts, and one end of distribution device 16 is connected with the second gas blower 15, and the second 15 pairs of gas blowers waste water carries out even gas distribution, and stripping goes out H 2the toxic and harmfuls such as S, to meet follow-up aerobic reaction.Aerated precipitation tank 14 settling regions are provided with the first guide shell 17, by 17 pairs of muddy water of the first guide shell, carry out separation, and by sludge reflux to 1 #intermediate pool 8.
Waste water gravity flow enters biological contact oxidation pond 21, biological contact oxidation pond 21 is provided with elastic solid filler 18 as biomembranous carrier, at the bottom of pond, be evenly distributed with the aerating apparatus 20 being connected by air line with the 3rd gas blower 19, waste water after oxygenation with the certain flow rate filler of flowing through, contact with microbial film, the active sludge acting in conjunction of microbial film and suspension, reaches the effect of purifying liquid waste.
The waste water gravity flow that biological contact oxidation pond 21 was processed enters second pond 22, second pond 22 is provided with the second guide shell 23, by the second guide shell 23, carry out mud-water separation, part mud is back to biological contact oxidation pond 21 by the first sludge pump 24, and another part excess sludge enters mud storage pond 37.
Waste water enters in perforation eddy flow tube settler 29 through the first line mixer 27 and second pipe mixing tank 28 subsequently successively, and wherein PAC chemicals dosing plant 25 is connected with second pipe mixing tank 28 respectively at the first line mixer 27 with PAM chemicals dosing plant 26.In perforation eddy flow tube settler 29, be provided with inclined tube 30, after mud-water separation, excess sludge enters mud storage pond 37.
Waste water enters 2 #intermediate pool 31, enters more medium filter 33 and activated charcoal filter 34 by the 3rd sewage pump 32, finally flows into clean water basin 36 discharges or is back to production.Clean water basin 36 are provided with 35 pairs of more medium filters 33 of the 4th sewage pump and activated charcoal filter 34 recoils, and backwashing water enters preaeration equalizing tank 2.Wherein the excess sludge of oil partiting precipitation pool 6, UASB reactor 10, second pond 22, perforation eddy flow tube settler 29 enters in mud storage pond 37, by the second sludge pump 40, enter 41 dehydrations of belt type sludge thickening all-in-one and be compressed into mud cake outward transport processing, pressing filtering liquid is disposed to preaeration equalizing tank 2, reenters this Waste Water Treatment.
embodiment 1
The cunning skin processing in the Shandong sewage works wastewater flow rate 1000m of company limited 3/ d, influent quality is COD3000mg/L, BOD 51200mg/L, NH 3-N80mg/L, SS1200mg/L.
Waste water first passes through grid 1 before entering preaeration equalizing tank 2, and rubbish, foreign material in interception waste water, to guarantee follow-up equipment normal operation.
Preaeration equalizing tank 2 useful volume 502.2m 3, be equipped with two the first sewage pump 5(1 standby with 1), a set of preaerator 3, by 4 pairs of preaerators of the first gas blower 3, carry out air preaeration stirring, muddy water is mixed, effectively prevent sludgd deposition.By the first sewage pump 5, factory effluent is promoted into oil partiting precipitation pool 6 simultaneously.
The coagulation time of oil partiting precipitation pool 6 is 28min, settling region surface load 0.8m 3/ (m 2h), sedimentation time 3.75h.Be provided with running type skimmed oil pump suction dredger 7 for collecting top layer greasy dirt, adsorb pool bottom sludge simultaneously and enter mud storage pond 37.
Waste water gravity flow subsequently enters 1 #intermediate pool 8, useful volume 18.8m 3, be equipped with 9 three of the second sewage pumps (2 use 1 are standby).Factory effluent is along with the lifting of the second sewage pump 9 enters UASB reactor 10.
UASB reactor 10 volumetric loading 2.44kgCOD/m 3d, useful volume is 985.6m 3.Waste water enters in UASB reaction tank 10 by water-distributing device 11, by reaction zone, through gas-solid-liquid triphase separator 12, enters settling region.After biogas is separated, enter collection chamber, by water-sealed tank 13, be discharged in air.In addition in reactor, do not establish whipping device, the air-flow that ascending current and biogas produce can meet stirring requirement completely, simple structure, convenient operation operation.
Waste water is flow automatically and is entered aerated precipitation tank 14 by water leg, and the aeration zone residence time is 41.5min, is provided with distribution device 16, and one end of distribution device 16 is connected with the second gas blower 15, and the second 15 pairs of gas blowers waste water carries out even gas distribution, and stripping goes out H 2s toxic and harmful, to meet follow-up aerobic reaction.Settling region surface load 1.16m 3/ (m 2h), sedimentation time 2.68h.The sludge reflux to 1 of aerated precipitation tank 14 #intermediate pool 8.
Then waste water gravity flow enters biological contact oxidation pond 21, useful volume 1020m 3, filler volumetric loading 0.5kgBOD 5/ (m 3d), at the bottom of pond, be evenly distributed with the aerating apparatus 20 being connected by air line with the 3rd gas blower 19.
Waste water enters second pond 22, surface load 0.74m after biological contact oxidation pond 21 is processed 3/ (m 2h), sedimentation time 2.7h, arranges 24 two of the first sludge pumps (1 use 1 is standby), and for sludge reflux and excess sludge discharge, waste water flows into perforation eddy flow tube settler 29 subsequently.
Perforation eddy flow 29 coagulation time of tube settler 50min, front portion is connected to the first line mixer 27 and second pipe mixing tank 28 for fully mixing comprehensive wastewater and reagent PAC, PAM, by dosing, waste water is further processed again the materials such as removal SS, grease.Settling region surface load 2.48m 3/ (m 2h), built-in inclined tube 30.
The waste water that perforation eddy flow tube settler 29 is discharged enters 2 #intermediate pool 31, useful volume 24m 3, standby with 1 by the 3rd sewage pump 32(1) and enter more medium filter 33 and activated charcoal filter 34, the most reprocessed waste water flows into clean water basin 36 discharges or is back to production.It is standby with 1 that clean water basin 36 are provided with the 4th sewage pump 35(1) more medium filter 33 and activated charcoal filter 34 are recoiled, backwashing water enters preaeration equalizing tank 2.
Wherein the excess sludge of oil partiting precipitation pool 6, UASB reactor 10, second pond 22, perforation eddy flow tube settler 29 enters mud storage pond 37, mud storage pond 37 is provided with the distribution device 39 being connected by air line with the 4th gas blower 38, prevent that mud from hardening, mud enters 41 dehydrations of belt type sludge thickening all-in-one by the second sludge pump 40, mud outward transport after dehydration is processed, and pressing filtering liquid is disposed to preaeration equalizing tank 2.
Effluent quality after above-mentioned Sewage treatment systems is: COD≤60mg/L, BOD 5≤ 20mg/L, NH 3-N≤15 mg/L, SS≤20 mg/L.Water in clean water basin 36 can be back to production.
Above-mentioned Waste Water Treatment is not only applicable to cunning skin processing industry factory effluent, is applicable to other leather processing industry waste water of similar feature yet.
Above embodiment is only for illustrating preferred implementation of the present utility model; but the utility model is not limited to above-mentioned embodiment; in the ken possessing at described field those of ordinary skill; it any modification of doing within spirit of the present utility model and principle, is equal to and substitutes and improvement etc., within all should be encompassed in the technical scheme scope that the utility model asks for protection.

Claims (10)

1. for the treatment of a system for cunning skin processing industry factory effluent, it is characterized in that: comprise preaeration equalizing tank (2), and the oil partiting precipitation pool (6) being connected with preaeration equalizing tank (2) by sewer line, oil partiting precipitation pool (6) and 1 #intermediate pool (8) is built jointly, and 1 #intermediate pool (8) connects UASB reactor (10) by pipeline, UASB reactor (10) connects aerated precipitation tank (14) by pipeline, aerated precipitation tank (14) connects biological contact oxidation pond (21) by pipeline, biological contact oxidation pond (21) connects second pond (22) by pipeline, second pond 22 connects perforation eddy flow tube settler (29) by pipeline, and perforation eddy flow tube settler (29) connects 2 by pipeline #intermediate pool (31), 2 #intermediate pool (31) connects more medium filter (33) by pipeline, and more medium filter (33) connects activated charcoal filter (34) by pipeline, and activated charcoal filter (34) connects clean water basin (36) by pipeline.
2. a kind of system for the treatment of cunning skin processing industry factory effluent according to claim 1, it is characterized in that: described preaeration equalizing tank (2) water inlet is provided with grid (1), at the bottom of pond, be provided with the preaerator (3) and the first sewage pump (5) that by air line, are connected with the first gas blower (4); Described oil partiting precipitation pool (6) is provided with running type skimmed oil pump suction dredger (7), and mud enters mud storage pond (37).
3. a kind of system for the treatment of cunning skin processing industry factory effluent according to claim 1, is characterized in that: described 1 #intermediate pool (8) is connected with the second sewage pump (9); The bottom of described UASB reactor (10) be provided with from 1 #intermediate pool (8) to the water-distributing device (11) that is connected of sewer line, the top of UASB reactor (10) is also provided with gas-solid-liquid triphase separator (12), and the water-sealed tank (13) that is positioned at UASB reactor (10) top, mud enters mud storage pond (37).
4. a kind of system for the treatment of cunning skin processing industry factory effluent according to claim 1, it is characterized in that: at the bottom of pond, described aerated precipitation tank (14) coagulation district, be provided with the distribution device (16) being connected by air line with the second gas blower (15), settling region is provided with the first guide shell (17).
5. a kind of system for the treatment of cunning skin processing industry factory effluent according to claim 1, it is characterized in that: described biological contact oxidation pond (21) is provided with elastic solid filler (18), at the bottom of pond, be provided with the aerating apparatus (20) being connected by air line with the 3rd gas blower (19).
6. a kind of system for the treatment of cunning skin processing industry factory effluent according to claim 1, it is characterized in that: described second pond (22) is provided with the second guide shell (23) in pond, and be provided with the first sludge pump (24), mud enters mud storage pond (37).
7. a kind of system for the treatment of cunning skin processing industry factory effluent according to claim 1, it is characterized in that: on described perforation eddy flow tube settler (29) and the pipeline between second pond (22), be provided with the first line mixer (27) and second pipe mixing tank (28), the first line mixer (27) is connected with PAM chemicals dosing plant (26) with PAC chemicals dosing plant (25) respectively with second pipe mixing tank (28), perforation eddy flow tube settler (29) is provided with inclined tube (30), and mud enters mud storage pond (37).
8. a kind of system for the treatment of cunning skin processing industry factory effluent according to claim 1, is characterized in that: described 2 #intermediate pool (31) is provided with the 3rd sewage pump (32), after connect successively more medium filter (33) and activated charcoal filter (34).
9. a kind of system for the treatment of cunning skin processing industry factory effluent according to claim 1, it is characterized in that: described clean water basin (36) are provided with the 4th sewage pump (35), be used for recoiling more medium filter (33) and activated charcoal filter (34), backwashing water is disposed to preaeration equalizing tank (2).
10. according to a kind of system for the treatment of cunning skin processing industry factory effluent described in claim 2,3,6,7 Arbitrary Terms, it is characterized in that: at the bottom of described mud storage (3) 7 ponds, pond, be provided with the distribution device (39) being connected by air line with the 4th gas blower (38), after connect the second sludge pump (40), by belt type sludge thickening all-in-one (41) dehydration, being compressed into mud cake outward transport processes, pressing filtering liquid is disposed to preaeration equalizing tank (2), reenters this Waste Water Treatment.
CN201320528314.XU 2013-08-28 2013-08-28 System for treating industrial wastewater generated in kid lamb skin processing industry Active CN203498222U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104492209A (en) * 2014-11-14 2015-04-08 常州大学 Petroleum ether exhaust-gas dedusting and recovery device
CN106745928A (en) * 2015-11-19 2017-05-31 张家港市宏盛贸易有限公司 Textile waste processing system
CN111285548A (en) * 2020-03-06 2020-06-16 南京创元环保科技工程有限公司 Sewage treatment equipment and using method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104492209A (en) * 2014-11-14 2015-04-08 常州大学 Petroleum ether exhaust-gas dedusting and recovery device
CN106745928A (en) * 2015-11-19 2017-05-31 张家港市宏盛贸易有限公司 Textile waste processing system
CN111285548A (en) * 2020-03-06 2020-06-16 南京创元环保科技工程有限公司 Sewage treatment equipment and using method thereof

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