CN103508637B - Traditional Chinese medicine wastewater treatment system and method for treating traditional Chinese medicine wastewater - Google Patents

Traditional Chinese medicine wastewater treatment system and method for treating traditional Chinese medicine wastewater Download PDF

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Publication number
CN103508637B
CN103508637B CN201310474536.2A CN201310474536A CN103508637B CN 103508637 B CN103508637 B CN 103508637B CN 201310474536 A CN201310474536 A CN 201310474536A CN 103508637 B CN103508637 B CN 103508637B
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waste water
pond
sludge
order reaction
wastewater
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CN103508637A (en
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解清杰
袁广娇
姚一凡
吴春笃
蒋志辉
黄晓龙
周清时
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Jiangsu University
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Jiangsu University
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Abstract

The invention discloses a traditional Chinese medicine wastewater treatment system and a method for treating traditional Chinese medicine wastewater. The traditional Chinese medicine wastewater treatment system consists of the following four parts of a pretreatment system, a biochemical treatment system, an advanced treatment system and a sludge treatment system. In the pretreatment system, a wastewater storage tank, a three-dimensional electrolytic cell, a sand filtering tank, a secondary filtering tank and an aeration device mainly take a role of blowing-off to remove chloroform from wastewater and thus to enable existence of microorganisms in the subsequent treatment buildings to be difficult, so that the defect that the traditional Chinese medicine wastewater is difficult to be treated biochemically is solved. According to the invention, the three-dimensional electrolysis is applied to the wastewater treatment, the test proves that 80% of COD of the wastewater can be degraded when the wastewater is subjected to electrolysis for 24 hours, the effect for treating highly difficult organic wastewater is obvious, and the biodegradability of the wastewater is increased; coagulation-sedimentation-filtration, blowing-off, three-dimensional electrolysis and biochemical treatment are well combined and applied, so that the effluent water quality is clear and the process cost is low.

Description

The method of traditional Chinese medicine wastewater treatment system and process traditional Chinese medicine wastewater thereof
Technical field
the present invention relates to a kind of new process for treating waste water, particularly a kind of method of traditional Chinese medicine wastewater treatment system and process traditional Chinese medicine wastewater thereof.
Background technology
Traditional Chinese medicine wastewater pollutes mainly high concentrated organic wastewater, from production plant, produces in processes such as washing bubble boiling medicinal material, flushing, preparation.Waste water comprises the former medicine washes in production process, the waste water that the unit such as medicine original juice raffinate, filtration, distillation, extraction produce.Traditional Chinese medicine wastewater main component has and point has the materials such as carbohydrate, ethanol, chloroform, glycoside, anthraquinone, xylogen, alkaloid, tannin, protein, pigment, organic contamination substrate concentration is quite high, the suspended substance light specific gravity of xylogen etc., concentration are high, be difficult to precipitation, wastewater biodegradability is poor, the water quality of waste water, the water yield along with the intermittence of Chinese medicine production operation and the diversity fluctuations of product category also larger, be one of more unmanageable waste water relative to other trade effluent Chinese traditional medicine wastewater treatments.
Current process traditional Chinese medicine wastewater state of the art is high not enough, is difficult to realize qualified discharge, even if qualified discharge infusion of financial resources also can be very large.Traditional treatment process is mainly chemical process, but pharmaceutical chemicals is more expensive, and processing costs is higher, and enterprise is difficult to bear, and pharmaceutical chemicals can cause secondary pollution to environment again simultaneously.Technique conventional is at present that waste water flows into preliminary sedimentation tank through grid, remove part suspended substance through preliminary sedimentation tank and enter equalizing tank, then in flowing automatically to and aeration tank, biochemical treatment unit is entered behind aeration tank, namely waste water flows into second pond after entering A2O or anaerobic UASB reaction, then qualified discharge, some waste water is also connected to advanced treatment part; Mud is through sludge thickener, and compressor compresses mud, mud cake is transported outward.
At present relevant traditional Chinese medicine wastewater treatment process is a lot, has also carried out fruitful research to the process of pharmacy waste water both at home and abroad, treatment process ideal is at present physics, chemistry and bioremediation combine.Such as above-mentioned treatment process, but also there is a lot of problem.1) Wastewater Pretreatment function is good not, containing chloroform in a lot of traditional Chinese medicine wastewater, and the organic solvents such as ethanol, when the chloroform content in waste water is in 0.5mg/L situation, will microorganism dormancy be made, make biological treatment be difficult to carry out, cause subsequent processing units to be difficult to run; 2) traditional Chinese medicine wastewater Pollutant levels are high, suspended substance light specific gravity, be difficult to precipitation, wastewater biodegradability is poor, commonly use above-mentioned waste water treatment process be difficult to up to standard; 3) some process degradation successful, but need chemical drugs dosage large, cost is higher.
Summary of the invention
The object of the present invention is to provide a kind of traditional Chinese medicine wastewater treatment system and adopt the method for this system process traditional Chinese medicine wastewater, to overcome the deficiencies in the prior art, hardly degraded organic substance in traditional Chinese medicine wastewater is effectively degraded, qualified discharge.
For achieving the above object, the technical solution adopted in the present invention is as follows: a kind of traditional Chinese medicine wastewater treatment system, comprises pretreatment system, biochemical treatment system, advanced treatment system and sludge treating system;
Wherein said pretreatment system comprises waste water storage pond, three-dimensional electrolysis pond, first order reaction setting tank, sandfiltration pot, second order reaction tank, two filter tanks and intermediate pool, waste water storage is provided with air agitation system in pond, pneumatic pump and lift pump, the rising pipe in waste water storage pond is communicated with three-dimensional electrolysis pond, three-dimensional electrolysis is provided with three-diemsnional electrode in pond, the rising pipe in three-dimensional electrolysis pond is communicated with first order reaction setting tank, first order reaction setting tank inside is provided with stirrer, first order reaction setting tank is other is provided with the first chemicals dosing plant, the rising pipe of first order reaction setting tank is communicated with sandfiltration pot, the rising pipe of sandfiltration pot is communicated with second order reaction tank, second order reaction tank is other has the second chemicals dosing plant, the rising pipe of second order reaction tank is communicated with two filter tanks, Wingdale filtrate is set in two filter tanks, the rising pipe in two filter tanks is communicated with intermediate pool, lift pump is equipped with in intermediate pool inside,
Described biochemical treatment system comprises hydrolysis anaerobic pond and biochemical sedimentation basin, the rising pipe access hydrolysis anaerobic pond of intermediate pool, the rising pipe access biochemical sedimentation basin of hydrolysis anaerobic pond;
Described advanced treatment system comprises carbon filtering pool, the rising pipe access carbon filtering pool of biochemical sedimentation basin, and the water outlet of carbon filtering pool is directly discharged;
Described sludge treating system comprises between sludge thickener, sludge dewatering, first order reaction setting tank, sandfiltration pot, second order reaction tank are connected sludge thickener with the sludge pipe of biochemical sedimentation basin, waste water storage pond is entered after the supernatant liquor of sludge thickener enters supernatant collection pond by rising pipe, the shore pipe of sludge thickener is by between sludge pump access sludge dewatering, plate-and-frame filter press is provided with between sludge dewatering, after the filtrate discharged between sludge dewatering enters supernatant collection pond by rising pipe, enter waste water storage pond, the mud of discharge carries out mud multifuel combustion.
In described biochemical treatment system, also comprise air blast machine room, the blast main of air blast machine room is communicated with waste water storage pond, three-dimensional electrolysis pond, sandfiltration pot, two filter tank biochemical sedimentation basin and carbon filtering pools respectively.
The dosing of described first chemicals dosing plant institute is PAC and PAM, and the dosing of described second chemicals dosing plant institute is oxygenant.Described oxygenant is Fenton reagent.
All aerating apparatus is provided with in described waste water storage pond, three-dimensional electrolysis pond, sandfiltration pot, two filter tanks, biochemical sedimentation basin, carbon filtering pool.
The method of employing system process traditional Chinese medicine wastewater, comprises the following steps:
(1) pre-treatment
Traditional Chinese medicine wastewater delivers to waste water storage pond by pipeline, in waste water storage pond, air agitation system is set, air is added by pneumatic pump, ensure that in waste water, suspended substance is in suspended state, prevent from precipitating at the bottom of pond, the waste water in waste water storage pond is promoted to three-dimensional electrolysis pond by pump, and three-dimensional electrolysis is provided with three-diemsnional electrode in pond, make Organic Pollutants in Wastewater, under electric field action, multiple-effect micro-electrolysis reaction occur, removed; Waste water enters first order reaction setting tank afterwards, PAC, PAM is added in first order reaction setting tank, after stirrer stirs, quiescent setting 2h, filter at sandfiltration pot, rear electromagnetic valve open, waste water gravity flow enters second order reaction tank, adds iron ion and hydrogen peroxide, after stirrer stirs in second order reaction tank, quiescent setting 2h, enter two filters, Wingdale filtrate is set in two filter tanks, retain the particulate pollutant produced in second order reaction tank, regulate the pH of waste water to neutral, the waste water gravity flow through two filter tanks enters intermediate pool simultaneously;
(2) biochemical treatment
Waste water enters hydrolysis anaerobic pond and biochemical sedimentation basin after intermediate pool is promoted by pump, biochemical sedimentation basin is made up of anaerobic biological reactor and aerobic reaction settling basin, waste water in biochemical treatment system by the degraded of microorganism, remove organic pollutant, waste water after precipitation, gravity flow penetration depth treatment system;
(3) advanced treatment
Water outlet after biochemical treatment system removes amounts of residual contamination further by the filtration treatment of activated charcoal filter in carbon filtering pool, enters city planting ductwork and processes further to municipal sewage plant;
(4) sludge treatment
The mud that first order reaction setting tank, sandfiltration pot, second order reaction tank, biochemical sedimentation basin produce enters sludge thickener, thickened sludge is carried out through interval sludge thickener, thickened sludge carries out processed by sludge pumping again to plate-and-frame filter press, after the supernatant liquor of discharging in sludge condensation and dehydration and filtrate are collected by water exhaust system, flow back to waste water storage pond, from plate-and-frame filter press discharge mud carry out mud multifuel combustion.
Present invention process tool has the following advantages:
Waste water storage pond in 1 present invention process, three-dimensional electrolysis pond, sandfiltration pot, two filter tanks, with aerating apparatus with treatment system in mainly play stripping effect, remove chloroform in waste water, make microorganism existence in subsequent disposal structures, solve traditional Chinese medicine wastewater and be difficult to biochemical shortcoming.
Three-dimensional electrolysis is used in wastewater treatment by 2 present invention process, and obtaining three-dimensional electrolysis waste water 24 hours through overtesting can the COD of degrading waste water 80%, and to the highly difficult organic waste water of process, the good results are evident, increases the biodegradability of waste water.
Coagulating sedimentation filters by 3 present invention process, stripping, three-dimensional electrolysis, and the good R. concomitans of biochemical treatment, effluent quality is limpid, and process costs is low.
Accompanying drawing explanation
Fig. 1 is the schema of traditional Chinese medicine wastewater treatment system of the present invention.
Embodiment
The present invention is described further to contrast accompanying drawing below.
Traditional Chinese medicine wastewater treatment process system comprises pretreatment system, biochemical treatment system, advanced treatment system and sludge treating system four part.Pretreatment system is divided into water quality and quantity to regulate and Chemical Pretreatment two portions.Water quality and quantity regulates and is made up of waste water storage pond, and Chemical Pretreatment part is made up of three-dimensional electrolysis pond, first order reaction setting tank, second order reaction tank and intermediate pool.Waste water storage is provided with air agitation system, pneumatic pump and lift pump in pond, the rising pipe in waste water storage pond is communicated with three-dimensional electrolysis pond, three-dimensional electrolysis is provided with three-diemsnional electrode in pond, the rising pipe in three-dimensional electrolysis pond is communicated with first order reaction setting tank, first order reaction setting tank inside is provided with stirrer, first order reaction setting tank is other is provided with the first chemicals dosing plant, and dosing is PAC and PAM.The rising pipe of first order reaction setting tank is communicated with sandfiltration pot, and the rising pipe of sandfiltration pot is communicated with second order reaction tank, and second order reaction tank is other has the second chemicals dosing plant, and dosing is oxygenant Fenton reagent.The rising pipe of second order reaction tank is communicated with two filter tanks, arranges Wingdale filtrate in two filter tanks, and the rising pipe in two filter tanks is communicated with intermediate pool, and lift pump is equipped with in intermediate pool inside.
Biochemical treatment system comprises hydrolysis anaerobic pond and biochemical sedimentation basin, the rising pipe access hydrolysis anaerobic pond of intermediate pool, the rising pipe access biochemical sedimentation basin of hydrolysis anaerobic pond.Advanced treatment system comprises carbon filtering pool, and the rising pipe access carbon filtering pool of biochemical sedimentation basin, the water outlet of carbon filtering pool is directly discharged.Also comprise air blast machine room in biochemical treatment system, the blast main of air blast machine room is communicated with waste water storage pond, three-dimensional electrolysis pond, sandfiltration pot, two filter tank biochemical sedimentation basin and carbon filtering pools respectively.
Sludge treating system comprises between sludge thickener, sludge dewatering, first order reaction setting tank, sandfiltration pot, second order reaction tank are connected sludge thickener with the sludge pipe of biochemical sedimentation basin, waste water storage pond is entered after the supernatant liquor of sludge thickener enters supernatant collection pond by rising pipe, the shore pipe of sludge thickener is by between sludge pump access sludge dewatering, plate-and-frame filter press is provided with between sludge dewatering, after the filtrate discharged between sludge dewatering enters supernatant collection pond by rising pipe, enter waste water storage pond, the mud of discharge carries out mud multifuel combustion.
Traditional Chinese medicine wastewater processing technological flow comprises pre-treatment, biochemical treatment, advanced treatment and sludge treatment four part.In general traditional Chinese medicine wastewater has intermittent feature is discharge weekly once, delivers to waste water processing station by workshop pipeline.Arrange waste water storage pond in waste water processing station, in waste water storage pond, arrange air agitation system and pneumatic pump, lift pump, the side in waste water storage pond is provided with waste gas absorption tank.The reserves in waste water storage pond are greater than each wastewater discharge.Air agitation system is set in waste water storage pond, adds air by pneumatic pump, ensure that in waste water, suspended substance is in suspended state, prevent from precipitating at the bottom of pond.
Waste water in waste water storage pond is promoted to three-dimensional electrolysis pond by pump, the three-diemsnional electrode in three-dimensional electrolysis pond, makes Organic Pollutants in Wastewater, under electric field action, multiple-effect micro-electrolysis reaction occur, is removed.Waste water enters first order reaction setting tank, PAC, PAM is added in first order reaction setting tank, after stirrer stirs, quiescent setting 2h, sandfiltration pot filter, rear electromagnetic valve open, waste water gravity flow enters second order reaction tank, in second order reaction tank, add iron ion and hydrogen peroxide, after stirrer stirs, after quiescent setting 2h, enter two filter tanks.
The Wingdale filtrate arranged in two filter tanks, can retain the particulate pollutant produced in second order reaction tank on the one hand, the pH of waste water can be regulated on the other hand to neutral, ensure carrying out smoothly of wastewater biochemical.Waste water gravity flow through two filter tanks enters intermediate pool, enters biochemical treatment system after being promoted by pump.Waste water enters hydrolysis anaerobic pond and biochemical sedimentation basin after intermediate pool is promoted by pump, biochemical sedimentation basin is made up of anaerobic biological reactor and aerobic reaction settling basin, waste water in biochemical treatment system by the degraded of microorganism, remove organic pollutant, waste water is after precipitation, gravity flow penetration depth treatment system, biochemical treatment system running continuously in 24 hours.Water outlet after biochemical treatment system removes amounts of residual contamination further by the filtration treatment of activated charcoal filter in carbon filtering pool, improves the Oranoleptic indicator of water outlet.Enter city planting ductwork through the waste water of advanced treatment to process further to municipal sewage plant.
The blast main of air blast machine room is communicated with waste water storage pond, three-dimensional electrolysis pond, sandfiltration pot, two filter tank biochemical sedimentation basins, carbon filtering pool respectively.The mud that in pretreatment system for sewage, first order reaction setting tank, sandfiltration pot, second order reaction tank, biochemical sedimentation basin produce enters sludge thickener, thickened sludge is carried out through interval sludge thickener, thickened sludge will carry out processed by sludge pumping to plate-and-frame filter press again, the volume of further reduction mud, facilitates sludge disposal and transport.After the supernatant liquor of discharging in sludge condensation and dehydration and filtrate all will be collected by water exhaust system, flow back to the waste water storage pond being positioned at biochemical treatment system front portion.
Present invention process provides a kind of traditional Chinese medicine wastewater processing technological flow, and those skilled in the art can replace on an equal basis technical solution of the present invention or revise, but is included in the scope of technical solution of the present invention, should be encompassed within the scope of Patent right requirement of the present invention.

Claims (2)

1. a traditional Chinese medicine wastewater treatment system, is characterized in that comprising: pretreatment system, biochemical treatment system, advanced treatment system and sludge treating system;
Wherein said pretreatment system comprises waste water storage pond, three-dimensional electrolysis pond, first order reaction setting tank, sandfiltration pot, second order reaction tank, two filter tanks and intermediate pool, waste water storage is provided with air agitation system in pond, pneumatic pump and lift pump, the rising pipe in waste water storage pond is communicated with three-dimensional electrolysis pond, three-dimensional electrolysis is provided with three-diemsnional electrode in pond, the rising pipe in three-dimensional electrolysis pond is communicated with first order reaction setting tank, first order reaction setting tank inside is provided with stirrer, first order reaction setting tank is other is provided with the first chemicals dosing plant, the rising pipe of first order reaction setting tank is communicated with sandfiltration pot, the rising pipe of sandfiltration pot is communicated with second order reaction tank, second order reaction tank is other has the second chemicals dosing plant, the rising pipe of second order reaction tank is communicated with two filter tanks, Wingdale filtrate is set in two filter tanks, the rising pipe in two filter tanks is communicated with intermediate pool, lift pump is equipped with in intermediate pool inside,
Described biochemical treatment system comprises hydrolysis anaerobic pond and biochemical sedimentation basin, the rising pipe access hydrolysis anaerobic pond of intermediate pool, the rising pipe access biochemical sedimentation basin of hydrolysis anaerobic pond;
Described advanced treatment system comprises carbon filtering pool, the rising pipe access carbon filtering pool of biochemical sedimentation basin, and the water outlet of carbon filtering pool is directly discharged;
Described sludge treating system comprises between sludge thickener, sludge dewatering, first order reaction setting tank, sandfiltration pot, second order reaction tank are connected sludge thickener with the sludge pipe of biochemical sedimentation basin, waste water storage pond is entered after the supernatant liquor of sludge thickener enters supernatant collection pond by rising pipe, the shore pipe of sludge thickener is by between sludge pump access sludge dewatering, plate-and-frame filter press is provided with between sludge dewatering, after the filtrate discharged between sludge dewatering enters supernatant collection pond by rising pipe, enter waste water storage pond, the mud of discharge carries out mud multifuel combustion;
In described biochemical treatment system, also comprise air blast machine room, the blast main of air blast machine room is communicated with waste water storage pond, three-dimensional electrolysis pond, sandfiltration pot, two filter tank biochemical sedimentation basin and carbon filtering pools respectively;
The dosing of described first chemicals dosing plant institute is PAC and PAM, and the dosing of described second chemicals dosing plant institute is oxygenant;
Described oxygenant is Fenton reagent;
All aerating apparatus is provided with in described waste water storage pond, three-dimensional electrolysis pond, sandfiltration pot, two filter tanks, biochemical sedimentation basin, carbon filtering pool.
2. the method for system process traditional Chinese medicine wastewater according to claim 1, is characterized in that comprising the following steps:
(1) pre-treatment
Traditional Chinese medicine wastewater delivers to waste water storage pond by pipeline, in waste water storage pond, air agitation system is set, air is added by pneumatic pump, ensure that in waste water, suspended substance is in suspended state, prevent from precipitating at the bottom of pond, the waste water in waste water storage pond is promoted to three-dimensional electrolysis pond by pump, and three-dimensional electrolysis is provided with three-diemsnional electrode in pond, make Organic Pollutants in Wastewater, under electric field action, multiple-effect micro-electrolysis reaction occur, removed; Waste water enters first order reaction setting tank afterwards, PAC, PAM is added in first order reaction setting tank, after stirrer stirs, quiescent setting 2h, filter at sandfiltration pot, rear electromagnetic valve open, waste water gravity flow enters second order reaction tank, adds iron ion and hydrogen peroxide, after stirrer stirs in second order reaction tank, quiescent setting 2h, enter two filters, Wingdale filtrate is set in two filter tanks, retain the particulate pollutant produced in second order reaction tank, regulate the pH of waste water to neutral, the waste water gravity flow through two filter tanks enters intermediate pool simultaneously;
(2) biochemical treatment
Waste water enters hydrolysis anaerobic pond and biochemical sedimentation basin after intermediate pool is promoted by pump, biochemical sedimentation basin is made up of anaerobic biological reactor and aerobic reaction settling basin, waste water in biochemical treatment system by the degraded of microorganism, remove organic pollutant, waste water after precipitation, gravity flow penetration depth treatment system;
(3) advanced treatment
Water outlet after biochemical treatment system removes amounts of residual contamination further by the filtration treatment of activated charcoal filter in carbon filtering pool, enters city planting ductwork and processes further to municipal sewage plant;
(4) sludge treatment
The mud that first order reaction setting tank, sandfiltration pot, second order reaction tank, biochemical sedimentation basin produce enters sludge thickener, thickened sludge is carried out through interval sludge thickener, thickened sludge carries out processed by sludge pumping again to plate-and-frame filter press, after the supernatant liquor of discharging in sludge condensation and dehydration and filtrate are collected by water exhaust system, flow back to waste water storage pond, from plate-and-frame filter press discharge mud carry out mud multifuel combustion.
CN201310474536.2A 2013-10-12 2013-10-12 Traditional Chinese medicine wastewater treatment system and method for treating traditional Chinese medicine wastewater Expired - Fee Related CN103508637B (en)

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CN104150683A (en) * 2014-07-10 2014-11-19 唐国民 Advanced treatment device for traditional Chinese medicine wastewater and treatment method thereof
CN104649522B (en) * 2015-03-06 2016-05-04 泉州市天龙环境工程有限公司 The treating apparatus of brown coal low temperature distillation waste water
CN107265757A (en) * 2017-06-12 2017-10-20 河北卓润环境科技有限公司 Method based on Strong oxdiative and circulation biochemical treatment medical intermediate production waste water
CN108892318A (en) * 2018-07-24 2018-11-27 沈阳建筑大学 A kind of sewage treatment equipment and technique for Chinese patent drug waste water
CN113003855A (en) * 2021-01-29 2021-06-22 云南和泽环保科技有限公司 Treatment method of traditional Chinese medicine extraction wastewater

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