CN111186972A - Manufacture and application of factory sludge residual pesticide antibiotic degradation instrument - Google Patents
Manufacture and application of factory sludge residual pesticide antibiotic degradation instrument Download PDFInfo
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- CN111186972A CN111186972A CN202010049870.3A CN202010049870A CN111186972A CN 111186972 A CN111186972 A CN 111186972A CN 202010049870 A CN202010049870 A CN 202010049870A CN 111186972 A CN111186972 A CN 111186972A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
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- 239000001301 oxygen Substances 0.000 claims abstract description 87
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Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/004—Sludge detoxification
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/306—Pesticides
Abstract
Manufacturing and application of a factory sludge residual pesticide antibiotic degradation instrument, and belongs to the field of environmental protection. The degradation instrument is composed of the following parts: the device comprises a power supply, an air filter, a dryer, an air compressor, a molecular sieve oxygen generator, a high-voltage discharge ozone machine, a programmable controller, a frequency converter, a transformer, a control valve, a gas-liquid mixing pump, a water outlet nozzle, various connectors and connecting pipelines. The water containing ozone and free radicals produced by the device is sprayed into the sludge of a factory, so that organic pesticides and antibiotics in the sludge can be rapidly degraded into carbon dioxide and water, and harmful germs can be killed, so that the organic toxicity and potential harm of the germs of the sludge of the factory can be rapidly removed.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to a structure of a factory sludge residue pesticide antibiotic degradation instrument.
Background
China has a large population and few cultivated lands, in order to provide enough grains, vegetables and fruits, high multiple cropping index crops, especially facility cultivated crops, are usually planted on the same land, due to high comparative economic benefit, farmers plant a large number of continuous cropping crops, so that continuous cropping obstacles of soil and plants are caused, a large number of pathogenic bacteria are accumulated in the soil, the crops are easy to suffer from serious diseases and insect pests, poor growth, reduced yield and reduced quality, various chemical pesticides are used in large quantities, especially some high-toxicity high-residue organic pesticides which are difficult to degrade are used in large quantities for decades, so that the organic pesticide residue in the soil is serious, and the agricultural production and agricultural sustainable development of China are severely restricted.
The pesticide industry in China starts late, but develops rapidly, and the yield rises from 33 ten thousand tons in 1983 to more than 370 ten thousand tons in 2014-2016, so that the pesticide industry becomes the first major pesticide producing country in the world. By 2018, the number of active ingredients of the pesticide in the effective registration state in China reaches 689, the number of products is 41514, wherein 38920 pesticides for the field are used, and 2594 pesticides for hygiene are used. Since 2017, the pesticide yield in China is in a downslide state under the influence of environmental protection supervision, enterprise production limit and the like. The yield of pesticide raw materials in 2018 is 208.3 ten thousand tons, and the same ratio is-29.3%; the yield of the rice is 86.6 ten thousand tons in 1-5 months in 2019, and the rice continuously slides downwards at the same ratio of-21.9%. 149 ten thousand tons of pesticide raw materials are exported to the outside in 2018, the ratio of the pesticide raw materials to the outside is-8.6 percent, and the proportion of the pesticide raw materials to the outside is 71.5 percent; 67 ten thousand tons are exported outside in 1-5 months in 2019, and the ratio is + 1.5%. The external outlet ratio was 77.4%.
China is the world's largest country for antibiotic production and use. On 11 days 6 months in 2015, the Chinese academy of sciences published a list of national usage and discharge of Chinese antibiotics according to data such as usage and discharge of various antibiotics in 58 drainage areas. Over 70 years, the total scale of the antibiotic yield in China reaches the first world, the antibiotic yield has absolute advantages in the production of crude drugs such as penicillin, streptomycin, tetracycline, oxytetracycline, gentamicin and the like, the monopoly of Europe and America countries is broken in the aspects of research, development, production, pricing, market and the like of tens of products, a batch of large-scale industrial groups and a complete industrial chain are formed, the research and development strength of antibiotic varieties is continuously improved, and the industrialization of more than 100 antibiotic varieties is realized.
The use of pesticides has caused serious environmental problems and many studies have shown that many ecosystems on land are contaminated with organic pesticides to varying degrees, and the problem of soil, groundwater and atmospheric pesticide contamination is particularly serious. Research reports that the heptachlorine of the organochlorine pesticide forbidden for 15 years is seriously exceeded in soil of cultivated land in Hawaii of America. The overproof rates of HCH and DDT in Taihu lake basin farmland soil in 2000 are respectively 28% and 24%, and the detection rates of HCH and DDT in vegetable field soil in Nanjing city are 100%. According to statistics, the polluted soil area in China reaches 1.3X-1.6X million hm 2.
The first Chinese antibiotic application results show that a terrible vicious circle chain is damaging human health-most of the antibiotics taken by human and cultured animals are discharged out of the body in original form, enter water environment and soil, and then enter human body through aquatic products, crops and other food, so that the drug resistance of the human body is increased and the health is affected.
From the end of the last 80 s and the beginning of the 90 s in the last century, China begins to research the soil pesticide pollution removal technology. The initial research mainly focuses on the degradation of soil organic pesticides by microorganisms, and the research is still extensive until now, so that 422 related articles for degrading pesticides by microorganisms can be found on China knowledge network. Various patent applications or grants exist in succession, such as: an antibiotic degradation mixed bacterial agent and application thereof _2018104647678, a method for strengthening antibiotic anaerobic degradation _2018104179998, a compound microbial bacterial agent for degrading antibiotic and pesticide residue and preparation methods of preparation and application thereof, a tetracycline antibiotic degradation arthrobacter and application and preparation technology thereof, and the like 890 items.
So far, a plurality of microbial methods for researching soil pesticide degradation are provided, a few methods for researching soil pollution of pesticide sites are provided, and most of the methods adopt a pyrolysis method/thermal desorption method and have respective defects; the pesticide degrading bacteria have unstable effect, great influence by environmental conditions, slow degradation, single effect and strong specialization, and generally contain various organic pesticides in soil, so the practical application is greatly limited. The thermal desorption or pyrolysis method has good removal effect, but has the disadvantages of huge investment, labor and time consumption, great damage to soil physicochemical and biological properties, secondary pollution and difficult popularization in production.
Meanwhile, a large amount of organic pesticides and antibiotics are remained in soil, and remain in seeds or leaves of melons and fruits after being absorbed by plants, so that the human health is harmed, clean soil is needed for developing organic food, no chemical compound exists, and no good method exists at present. After decades of agricultural fertilization and pesticide control in China, a large amount of organic pesticide is left in soil, and meanwhile, a large amount of antibiotics are left in the used livestock and poultry manure, so that the health of consumers is threatened.
Ozone is a substance with strong oxidizability, and is changed into oxygen by itself, so that secondary pollution is avoided. There are reported patents such as: an ozone device (CN201720113261.3) for preventing and treating plant diseases and insect pests, which is only used for preventing and treating plant diseases and insect pests or used for treating sewage, and is not reported yet for treating organic pesticides and antibiotics in pesticide plants, antibiotic plants and municipal sludge.
The method adopts the mechanism that the molecular sieve separates air to enrich oxygen and then high-voltage discharge generates high-concentration ozone, designs the degradation instrument for the pesticide and the antibiotic in the sludge residue in the factory, utilizes strong oxidizing substances such as ozone, hydroxyl free radicals and the like in ozone water to quickly kill soil germs, quickly oxidizes and decomposes organic pesticide and antibiotic in the sludge, and has the advantages of high speed, high efficiency and no secondary pollution.
Disclosure of Invention
The technical problem to be solved is as follows: aiming at the technical defects, the invention develops the plant sludge residual pesticide and antibiotic degradation instrument which is used for eliminating organic antibiotics, organic pesticide residues and germs in pesticide plants, antibiotic plants and urban domestic sludge.
The technical scheme is as follows: manufacturing and application of a plant sludge residual pesticide antibiotic degradation instrument, comprising the following steps: a. a cube with the side length of 50-150cm and the height of 100-180cm, and the periphery of the cube is composed of a metal box body; the square container box body is internally provided with a control system, an oxygen enrichment system, an ozone production system, an ozone and water mixing system and an active oxygen free radical reaction system; an air filter, an air compressor, a dryer, a molecular sieve oxygen generator, a high-voltage discharge ozone machine (5-50 pairs of dielectric barrier electrodes), a gas-liquid mixing pump, an ozone conveying pipe, a cooler and the like are sequentially arranged; the devices are connected by pipelines, the gas outlet pipeline of the high-pressure discharge ozone machine is respectively connected with a gas-liquid mixing pump, one end of a mixing valve is connected with a water inlet pipe, and one end of a water outlet/gas outlet pipe of the gas-liquid mixing pump is communicated with a stainless steel sludge reaction tank; the whole system is powered by a power supply system, the power supply adopts double-circuit power supply of commercial power and a storage battery, the commercial power is used for supplying power when power is on, the storage battery is used for supplying power when power is off, a PLC (programmable logic controller) is connected beside the power supply to regulate and control the whole system, a frequency converter and a step-up transformer are connected beside the system to change the frequency and the voltage of alternating current and control the ozone output speed, and finally strong oxidizing water containing ozone and free radicals is output by a mixing pump; when the water content is excessive, the water inlet can be stopped, ozone gas is independently introduced to directly contact with the sludge in the sludge reaction tank to generate strong oxidation-reduction reaction, organic pesticides, antibiotics and the like in the sludge are oxidized and decomposed into carbon dioxide and water, and harmful microorganisms in the sludge are killed; b. after the unit devices in the a are assembled into a plant sludge residual pesticide and antibiotic degradation instrument, a power supply is switched on, an air compressor and a molecular sieve oxygen generator are started, air is filtered by a filter to filter particulate matters and impurities in the air, the air enters the air compressor to generate high-pressure compressed air flow, the air is dried by a dryer to remove moisture, the air is cooled by a cooler, clean and dry compressed air enters the oxygen generator to be adsorbed and separated by a high-efficiency molecular sieve, oxygen, nitrogen and the like in dry clean air are separated, the oxygen is continuously enriched and concentrated, the oxygen enters a high-pressure discharge ozone generator (consisting of 5-50 pairs of barrier medium electrodes) to generate high-concentration ozone active oxygen, the high-concentration ozone active oxygen is connected with a gas-liquid mixing pump through a pipeline, the gas-liquid mixing pump is simultaneously connected with a water pipe, the gas-liquid mixing pump is started, and the pure ozone, the ozone water is changed into ozone water and is injected into the stainless steel sludge reaction tank through a water outlet of the mixing pump, or the ozone water is directly introduced into the sludge reaction tank through an ozone pipeline to be mixed with the sludge so as to oxidize organic pesticides, antibiotics, pathogenic bacteria and the like in the sludge;
c. in the b treatment process, automatic control can be realized by adjusting a programmable controller in a control panel, the frequency of alternating current is changed by a frequency converter and is increased from 50Hz to 500Hz, the yield of ozone is improved, the alternating voltage is changed by a transformer, the voltage is increased from 220V to 15000V, the high-voltage discharge frequency and efficiency are improved, and the yield and the effect of ozone are improved. After the whole process, the final effluent of the step b contains ozone active oxygen, the ozone active oxygen is injected into sludge soil of the sludge reaction tank, a stirrer of the sludge reaction tank is started, ozone water and sludge are continuously and uniformly mixed, germs in the sludge soil can be quickly killed, micromolecular organic pesticides and organic antibiotics in the sludge soil are thoroughly oxidized into water and carbon dioxide, meanwhile, ozone and part of organic molecules in the reaction tank generate free radical reaction to generate various active oxygen free radicals with stronger activity, and the active oxygen free radicals further react with the pesticides and antibiotics in the sludge, so that the ozone oxidation effect is improved; in addition, if the water content in the sludge reaction tank is too much, the ozone outlet pipe can be directly inserted into the sludge reaction tank, ozone gas is directly mixed with sludge and undergoes redox reaction with organic pesticide and antibiotic in the sludge, the organic pesticide and antibiotic are thoroughly oxidized into carbon dioxide and water, germs in the sludge are killed, the sludge is timed for 50-120 minutes by the system control panel timer according to the sludge property and the different types and content of the pesticide and antibiotic, the upper part of the reaction tank is covered with a cover for sealing in the reaction process, and the harm to human bodies caused by the fact that ozone overflows into air is prevented.
Manufacturing any of the factory sludge pesticide residue antibiotic degradation instruments and application thereof in pesticide factories, pharmaceutical factories, food factories, municipal sewage treatment plants, municipal domestic sludge pesticide residue and antibiotic pollution treatment.
Has the advantages that: the degradation instrument can rapidly remove pathogenic bacteria, antibiotics and organic pesticides in sludge soil to the maximum extent, so that various antibiotics and organic pesticides are changed into water and carbon dioxide at the same time, the pollution of the antibiotics and pesticides in the sludge and the damage to the environment and the harm to human beings are eliminated to the maximum extent, and the human health is guaranteed. Specifically, the following effects are obtained:
compared with the prior art, the invention has the advantages that:
1) the ozone concentration and the efficiency can be greatly improved by separating air and enriching oxygen by adopting the molecular sieve, and the ozone water-ozone and free radical sterilization, disinfection and oxidation technology generated by the therapeutic apparatus can rapidly kill pathogenic bacteria and simultaneously oxidize and decompose various organic pesticides and antibiotics, so that the method is simpler, more convenient, simpler and more practicable in technology, higher in operability, lower in cost and higher in practicability than microbial degradation bacteria and thermal desorption methods;
2) the ozone water-ozone technology of the therapeutic apparatus adopted by the invention can simultaneously eliminate pathogenic bacteria and harmful organic chemical substances in soil, reduce the input of harmful chemicals, and reduce the harmful substance residue after soil treatment.
Drawings
FIG. 1 is a schematic diagram of the appearance of an apparatus
1. The device comprises a reservoir, 2 a cooling dryer, 3 an air compressor, 4 an adsorption dryer, 5 a filter, 6 a cable, 7 a PLC (programmable logic controller), 8 a power supply, 9 a storage battery, 10 a controller and an inverter, 11 a frequency converter, 12 a transformer, 13 a molecular sieve oxygenerator, 14 a high-pressure discharge ozone machine, 15 a gas-liquid mixing pump, 16 a gas-liquid mixing/ozone water outlet/gas outlet pipe, 17 a sludge reaction tank, 18 a stainless steel stirrer, 19 a sludge and ozone water mixture, 20 a sludge reaction liquid filter plate
FIG. 2 is a comparison of the process of treating sludge pesticide and antibiotic by the technology
Detailed Description
The invention is further described below with reference to examples:
example 1:
1. a cube with the side length of 50-150cm and the height of 100-180cm, and the periphery of the cube is composed of a metal box body; the square container box body is internally provided with a control system, an oxygen enrichment system, an ozone production system, an ozone and water mixing system and an active oxygen free radical reaction system; an air filter, an air compressor, a dryer, a molecular sieve oxygen generator, a high-voltage discharge ozone machine (5-50 pairs of dielectric barrier electrodes), a gas-liquid mixing pump, an ozone conveying pipe, a cooler and the like are sequentially arranged; the devices are connected by pipelines, the gas outlet pipeline of the high-pressure discharge ozone machine is respectively connected with a gas-liquid mixing pump, one end of a mixing valve is connected with a water inlet pipe, and one end of a water outlet/gas outlet pipe of the gas-liquid mixing pump is communicated with a stainless steel sludge reaction tank; the whole system is powered by a power supply system, the power supply adopts double-circuit power supply of commercial power and a storage battery, the commercial power is used for supplying power when power is on, the storage battery is used for supplying power when power is off, a PLC (programmable logic controller) is connected beside the power supply to regulate and control the whole system, a frequency converter and a step-up transformer are connected beside the system to change the frequency and the voltage of alternating current and control the ozone output speed, and finally strong oxidizing water containing ozone and free radicals is output by a mixing pump; when the water content is excessive, the water inlet can be stopped, ozone gas is independently introduced to directly contact with the sludge in the sludge reaction tank to generate strong oxidation-reduction reaction, organic pesticides, antibiotics and the like in the sludge are oxidized and decomposed into carbon dioxide and water, and harmful microorganisms in the sludge are killed;
2. after the unit devices in the step 1 are assembled into a plant sludge residual pesticide and antibiotic degradation instrument, a power supply is switched on, an air compressor and a molecular sieve oxygen generator are started, air is filtered by a filter to filter particulate matters and impurities in the air, the air enters the air compressor to generate high-pressure compressed air flow, the air is dried by a dryer to remove moisture, the air is cooled by a cooler, clean and dry compressed air enters the oxygen generator to be adsorbed and separated by a high-efficiency molecular sieve, oxygen, nitrogen and the like in dry clean air are separated, the oxygen is continuously enriched and concentrated, the oxygen enters a high-pressure discharge ozone generator (consisting of 5-50 pairs of barrier medium electrodes) to generate high-concentration ozone active oxygen, the high-concentration ozone active oxygen is connected with a gas-liquid mixing pump through a pipeline, the gas-liquid mixing pump is simultaneously connected with a water pipe, the gas-liquid mixing pump is started, and the pure, the ozone water is changed into ozone water and is injected into the stainless steel sludge reaction tank through a water outlet of the mixing pump, or the ozone water is directly introduced into the sludge reaction tank through an ozone pipeline to be mixed with the sludge so as to oxidize organic pesticides, antibiotics, pathogenic bacteria and the like in the sludge;
3. in the above 2 processes, can realize automatic control by adjusting the programmable controller in the control panel, change the alternating current frequency through the frequency converter, rise from 50Hz to 500Hz, improve the ozone yield, change the alternating voltage through the transformer, rise the voltage from 220V to 15000V, improve high-voltage discharge frequency and efficiency, improve ozone yield and effect. After the whole process, the final effluent of the step 2 contains ozone active oxygen, the ozone active oxygen is injected into sludge soil of the sludge reaction tank, a stirrer of the sludge reaction tank is started, ozone water and sludge are continuously and uniformly mixed, germs in the sludge soil can be quickly killed, micromolecular organic pesticides and organic antibiotics in the sludge soil are thoroughly oxidized into water and carbon dioxide, meanwhile, ozone and part of organic molecules in the reaction tank generate free radical reaction to generate various active oxygen free radicals with stronger activity, and the active oxygen free radicals further react with the pesticides and antibiotics in the sludge, so that the ozone oxidation effect is improved; in addition, if the water content in the sludge reaction tank is too much, the ozone outlet pipe can be directly inserted into the sludge reaction tank, so that ozone gas is directly mixed with sludge and undergoes redox reaction with organic pesticide and antibiotic in the sludge, the organic pesticide and antibiotic are thoroughly oxidized into carbon dioxide and water, germs in the sludge are killed, the sludge is timed for 50-120 minutes by the system control panel timer according to the sludge property and the different types and content of the pesticide and antibiotic, the upper part of the reaction tank is covered with a cover for sealing in the reaction process, and the ozone is prevented from overflowing into the air to cause harm to human bodies;
4. the sludge in the sedimentation tank of a certain pharmaceutical factory in Jiangsu is treated by the technology, and the contents of imidacloprid, triazophos, acetamiprid and glyphosate in the sludge are respectively reduced by 96.7%, 91.2%, 96.2% and 98.1% after 120 minutes of degradation reaction.
Example 2:
1. a cube with the side length of 50-150cm and the height of 100-180cm, and the periphery of the cube is composed of a metal box body; the square container box body is internally provided with a control system, an oxygen enrichment system, an ozone production system, an ozone and water mixing system and an active oxygen free radical reaction system; an air filter, an air compressor, a dryer, a molecular sieve oxygen generator, a high-voltage discharge ozone machine (5-50 pairs of dielectric barrier electrodes), a gas-liquid mixing pump, an ozone conveying pipe, a cooler and the like are sequentially arranged; the devices are connected by pipelines, the gas outlet pipeline of the high-pressure discharge ozone machine is respectively connected with a gas-liquid mixing pump, one end of a mixing valve is connected with a water inlet pipe, and one end of a water outlet/gas outlet pipe of the gas-liquid mixing pump is communicated with a stainless steel sludge reaction tank; the whole system is powered by a power supply system, the power supply adopts double-circuit power supply of commercial power and a storage battery, the commercial power is used for supplying power when power is on, the storage battery is used for supplying power when power is off, a PLC (programmable logic controller) is connected beside the power supply to regulate and control the whole system, a frequency converter and a step-up transformer are connected beside the system to change the frequency and the voltage of alternating current and control the ozone output speed, and finally strong oxidizing water containing ozone and free radicals is output by a mixing pump; when the water content is excessive, the water inlet can be stopped, ozone gas is independently introduced to directly contact with the sludge in the sludge reaction tank to generate strong oxidation-reduction reaction, organic pesticides, antibiotics and the like in the sludge are oxidized and decomposed into carbon dioxide and water, and harmful microorganisms in the sludge are killed;
2. after the unit devices in the step 1 are assembled into a plant sludge residual pesticide and antibiotic degradation instrument, a power supply is switched on, an air compressor and a molecular sieve oxygen generator are started, air is filtered by a filter to filter particulate matters and impurities in the air, the air enters the air compressor to generate high-pressure compressed air flow, the air is dried by a dryer to remove moisture, the air is cooled by a cooler, clean and dry compressed air enters the oxygen generator to be adsorbed and separated by a high-efficiency molecular sieve, oxygen, nitrogen and the like in dry clean air are separated, the oxygen is continuously enriched and concentrated, the oxygen enters a high-pressure discharge ozone generator (consisting of 5-50 pairs of barrier medium electrodes) to generate high-concentration ozone active oxygen, the high-concentration ozone active oxygen is connected with a gas-liquid mixing pump through a pipeline, the gas-liquid mixing pump is simultaneously connected with a water pipe, the gas-liquid mixing pump is started, and the pure, the ozone water is changed into ozone water and is injected into the stainless steel sludge reaction tank through a water outlet of the mixing pump, or the ozone water is directly introduced into the sludge reaction tank through an ozone pipeline to be mixed with the sludge so as to oxidize organic pesticides, antibiotics, pathogenic bacteria and the like in the sludge;
3. in the above 2 processes, can realize automatic control by adjusting the programmable controller in the control panel, change the alternating current frequency through the frequency converter, rise from 50Hz to 500Hz, improve the ozone yield, change the alternating voltage through the transformer, rise the voltage from 220V to 15000V, improve high-voltage discharge frequency and efficiency, improve ozone yield and effect. After the whole process, the final effluent of the step 2 contains ozone active oxygen, the ozone active oxygen is injected into sludge soil of the sludge reaction tank, a stirrer of the sludge reaction tank is started, ozone water and sludge are continuously and uniformly mixed, germs in the sludge soil can be quickly killed, micromolecular organic pesticides and organic antibiotics in the sludge soil are thoroughly oxidized into water and carbon dioxide, meanwhile, ozone and part of organic molecules in the reaction tank generate free radical reaction to generate various active oxygen free radicals with stronger activity, and the active oxygen free radicals further react with the pesticides and antibiotics in the sludge, so that the ozone oxidation effect is improved; in addition, if the water content in the sludge reaction tank is too much, the ozone outlet pipe can be directly inserted into the sludge reaction tank, so that ozone gas is directly mixed with sludge and undergoes redox reaction with organic pesticide and antibiotic in the sludge, the organic pesticide and antibiotic are thoroughly oxidized into carbon dioxide and water, germs in the sludge are killed, the sludge is timed for 50-120 minutes by the system control panel timer according to the sludge property and the different types and content of the pesticide and antibiotic, the upper part of the reaction tank is covered with a cover for sealing in the reaction process, and the ozone is prevented from overflowing into the air to cause harm to human bodies;
4. the sludge in the sedimentation tank of a certain pharmaceutical factory in Jiangsu is treated by the technology, and the content of acetochlor, butachlor, dichlorvos, trichlorfon, diazinon and imidaclothiz in the sludge is respectively reduced by 95.1%, 94.3%, 93.1%, 90.3%, 88.5% and 89.4% after 120 minutes of degradation reaction.
Example 3
1. A cube with the side length of 50-150cm and the height of 100-180cm, and the periphery of the cube is composed of a metal box body; the square container box body is internally provided with a control system, an oxygen enrichment system, an ozone production system, an ozone and water mixing system and an active oxygen free radical reaction system; an air filter, an air compressor, a dryer, a molecular sieve oxygen generator, a high-voltage discharge ozone machine (5-50 pairs of dielectric barrier electrodes), a gas-liquid mixing pump, an ozone conveying pipe, a cooler and the like are sequentially arranged; the devices are connected by pipelines, the gas outlet pipeline of the high-pressure discharge ozone machine is respectively connected with a gas-liquid mixing pump, one end of a mixing valve is connected with a water inlet pipe, and one end of a water outlet/gas outlet pipe of the gas-liquid mixing pump is communicated with a stainless steel sludge reaction tank; the whole system is powered by a power supply system, the power supply adopts double-circuit power supply of commercial power and a storage battery, the commercial power is used for supplying power when power is on, the storage battery is used for supplying power when power is off, a PLC (programmable logic controller) is connected beside the power supply to regulate and control the whole system, a frequency converter and a step-up transformer are connected beside the system to change the frequency and the voltage of alternating current and control the ozone output speed, and finally strong oxidizing water containing ozone and free radicals is output by a mixing pump; when the water content is excessive, the water inlet can be stopped, ozone gas is independently introduced to directly contact with the sludge in the sludge reaction tank to generate strong oxidation-reduction reaction, organic pesticides, antibiotics and the like in the sludge are oxidized and decomposed into carbon dioxide and water, and harmful microorganisms in the sludge are killed;
2. after the unit devices in the step 1 are assembled into a plant sludge residual pesticide and antibiotic degradation instrument, a power supply is switched on, an air compressor and a molecular sieve oxygen generator are started, air is filtered by a filter to filter particulate matters and impurities in the air, the air enters the air compressor to generate high-pressure compressed air flow, the air is dried by a dryer to remove moisture, the air is cooled by a cooler, clean and dry compressed air enters the oxygen generator to be adsorbed and separated by a high-efficiency molecular sieve, oxygen, nitrogen and the like in dry clean air are separated, the oxygen is continuously enriched and concentrated, the oxygen enters a high-pressure discharge ozone generator (consisting of 5-50 pairs of barrier medium electrodes) to generate high-concentration ozone active oxygen, the high-concentration ozone active oxygen is connected with a gas-liquid mixing pump through a pipeline, the gas-liquid mixing pump is simultaneously connected with a water pipe, the gas-liquid mixing pump is started, and the pure, the ozone water is changed into ozone water and is injected into the stainless steel sludge reaction tank through a water outlet of the mixing pump, or the ozone water is directly introduced into the sludge reaction tank through an ozone pipeline to be mixed with the sludge so as to oxidize organic pesticides, antibiotics, pathogenic bacteria and the like in the sludge;
3. in the above 2 processes, can realize automatic control by adjusting the programmable controller in the control panel, change the alternating current frequency through the frequency converter, rise from 50Hz to 500Hz, improve the ozone yield, change the alternating voltage through the transformer, rise the voltage from 220V to 15000V, improve high-voltage discharge frequency and efficiency, improve ozone yield and effect. After the whole process, the final effluent of the step 2 contains ozone active oxygen, the ozone active oxygen is injected into sludge soil of the sludge reaction tank, a stirrer of the sludge reaction tank is started, ozone water and sludge are continuously and uniformly mixed, germs in the sludge soil can be quickly killed, micromolecular organic pesticides and organic antibiotics in the sludge soil are thoroughly oxidized into water and carbon dioxide, meanwhile, ozone and part of organic molecules in the reaction tank generate free radical reaction to generate various active oxygen free radicals with stronger activity, and the active oxygen free radicals further react with the pesticides and antibiotics in the sludge, so that the ozone oxidation effect is improved; in addition, if the water content in the sludge reaction tank is too much, the ozone outlet pipe can be directly inserted into the sludge reaction tank, so that ozone gas is directly mixed with sludge and undergoes redox reaction with organic pesticide and antibiotic in the sludge, the organic pesticide and antibiotic are thoroughly oxidized into carbon dioxide and water, germs in the sludge are killed, the sludge is timed for 50-120 minutes by the system control panel timer according to the sludge property and the different types and content of the pesticide and antibiotic, the upper part of the reaction tank is covered with a cover for sealing in the reaction process, and the ozone is prevented from overflowing into the air to cause harm to human bodies;
4. the sludge in a sedimentation tank of a pharmaceutical factory in Jiangsu is treated by the technology, and the contents of roxithromycin, cephalomycin, cefotaxime and norfloxacin in the sludge are respectively reduced by 97.2%, 93.4%, 95.7% and 92.6% after 120 minutes of degradation reaction.
Application examples of the invention:
the technology of the invention is applied to the organic pollution treatment of pharmaceutical factories of pesticide factories.
1. Referring to example 1, the content of imidacloprid, triazophos, acetamiprid and glyphosate remained in the sludge soil is respectively reduced by 96.7%, 91.2%, 96.2% and 98.1% after the treatment of the sludge of the pesticide factory by adopting the technology compared with the control sludge soil without adopting the technology (the attached figure 2 of the specification);
2. referring to example 2, the content of residual acetochlor, butachlor, dichlorvos, trichlorfon, diazinon and imidaclothiz in the sludge soil is respectively reduced by 95.1%, 94.3%, 93.1%, 90.3%, 88.5% and 89.4% after the treatment of the sludge of the pesticide factory by the technology compared with the control sludge soil without the technology;
3. referring to example 3, after the treatment of the pharmaceutical factory sludge by the technology, compared with the control sludge soil without the technology, the contents of the residual roxithromycin, cephalomycin, cefotaxime and norfloxacin in the sludge soil are respectively reduced by 97.2%, 93.4%, 95.7% and 92.6%.
Claims (5)
1. Manufacturing and application of a factory sludge residual pesticide antibiotic degradation instrument are characterized by comprising the following steps:
a. a cube with the side length of 50-150cm and the height of 100-180cm, and the periphery of the cube is composed of a metal box body; the square container box body is internally provided with a control system, an oxygen enrichment system, an ozone production system, an ozone and water mixing system and an active oxygen free radical reaction system; an air filter, an air compressor, a dryer, a molecular sieve oxygen generator, a high-voltage discharge ozone machine (5-50 pairs of dielectric barrier electrodes), a gas-liquid mixing pump, an ozone conveying pipe, a cooler and the like are sequentially arranged; the devices are connected by pipelines, the gas outlet pipeline of the high-pressure discharge ozone machine is respectively connected with a gas-liquid mixing pump, one end of a mixing valve is connected with a water inlet pipe, and one end of a water outlet/gas outlet pipe of the gas-liquid mixing pump is communicated with a stainless steel sludge reaction tank; the whole system is powered by a power supply system, the power supply adopts double-circuit power supply of commercial power and a storage battery, the commercial power is used for supplying power when power is on, the storage battery is used for supplying power when power is off, a PLC (programmable logic controller) is connected beside the power supply to regulate and control the whole system, a frequency converter and a step-up transformer are connected beside the system to change the frequency and the voltage of alternating current and control the ozone output speed, and finally strong oxidizing water containing ozone and free radicals is output by a mixing pump; when the water content is excessive, the water inlet can be stopped, ozone gas is independently introduced to directly contact with the sludge in the sludge reaction tank to generate strong oxidation-reduction reaction, organic pesticides, antibiotics and the like in the sludge are oxidized and decomposed into carbon dioxide and water, and harmful microorganisms in the sludge are killed;
b. after the unit devices in the a are assembled into a plant sludge residual pesticide and antibiotic degradation instrument, a power supply is switched on, an air compressor and a molecular sieve oxygen generator are started, air is filtered by a filter to filter particulate matters and impurities in the air, the air enters the air compressor to generate high-pressure compressed air flow, the air is dried by a dryer to remove moisture, the air is cooled by a cooler, clean and dry compressed air enters the oxygen generator to be adsorbed and separated by a high-efficiency molecular sieve, oxygen, nitrogen and the like in dry clean air are separated, the oxygen is continuously enriched and concentrated, the oxygen enters a high-pressure discharge ozone generator (consisting of 5-50 pairs of barrier medium electrodes) to generate high-concentration ozone active oxygen, the high-concentration ozone active oxygen is connected with a gas-liquid mixing pump through a pipeline, the gas-liquid mixing pump is simultaneously connected with a water pipe, the gas-liquid mixing pump is started, and the pure ozone, the ozone water is changed into ozone water and is injected into the stainless steel sludge reaction tank through a water outlet of the mixing pump, or the ozone water is directly introduced into the sludge reaction tank through an ozone pipeline to be mixed with the sludge so as to oxidize organic pesticides, antibiotics, pathogenic bacteria and the like in the sludge;
c. in the b treatment process, automatic control can be realized by adjusting a programmable controller in a control panel, the frequency of alternating current is changed by a frequency converter and is increased from 50Hz to 500Hz, the yield of ozone is improved, the alternating voltage is changed by a transformer, the voltage is increased from 220V to 15000V, the high-voltage discharge frequency and efficiency are improved, and the yield and the effect of ozone are improved. After the whole process, the final effluent of the step b contains ozone active oxygen, the ozone active oxygen is injected into sludge soil of the sludge reaction tank, a stirrer of the sludge reaction tank is started, ozone water and sludge are continuously and uniformly mixed, germs in the sludge soil can be quickly killed, micromolecular organic pesticides and organic antibiotics in the sludge soil are thoroughly oxidized into water and carbon dioxide, meanwhile, ozone and part of organic molecules in the reaction tank generate free radical reaction to generate various active oxygen free radicals with stronger activity, and the active oxygen free radicals further react with the pesticides and antibiotics in the sludge, so that the ozone oxidation effect is improved; in addition, if the water content in the sludge reaction tank is too much, the ozone outlet pipe can be directly inserted into the sludge reaction tank, ozone gas is directly mixed with sludge and undergoes redox reaction with organic pesticide and antibiotic in the sludge, the organic pesticide and antibiotic are thoroughly oxidized into carbon dioxide and water, germs in the sludge are killed, the sludge is timed for 50-120 minutes by the system control panel timer according to the sludge property and the different types and content of the pesticide and antibiotic, the upper part of the reaction tank is covered with a cover for sealing in the reaction process, and the harm to human bodies caused by the fact that ozone overflows into air is prevented.
2. The manufacture and application of the instrument for degrading the pesticide residue in the factory sludge according to claim 1 are characterized in that the instrument is a cube with the side length of 50-150cm and the height of 100-180cm, and the periphery of the cube is composed of a metal box body; the square container box body is internally provided with a control system, an oxygen enrichment system, an ozone production system, an ozone and water mixing system and an active oxygen free radical reaction system; an air filter, an air compressor, a dryer, a molecular sieve oxygen generator, a high-voltage discharge ozone machine (5-50 pairs of dielectric barrier electrodes), a gas-liquid mixing pump, an ozone conveying pipe, a cooler and the like are sequentially arranged; the devices are connected by pipelines, the gas outlet pipeline of the high-pressure discharge ozone machine is respectively connected with a gas-liquid mixing pump, one end of a mixing valve is connected with a water inlet pipe, and one end of a water outlet/gas outlet pipe of the gas-liquid mixing pump is communicated with a stainless steel sludge reaction tank; the whole system is powered by a power supply system, the power supply adopts double-circuit power supply of commercial power and a storage battery, the commercial power is used for supplying power when power is on, the storage battery is used for supplying power when power is off, a PLC (programmable logic controller) is connected beside the power supply to regulate and control the whole system, a frequency converter and a step-up transformer are connected beside the system to change the frequency and the voltage of alternating current and control the ozone output speed, and finally strong oxidizing water containing ozone and free radicals is output by a mixing pump; when the water content is excessive, the water inlet can be stopped, the ozone gas is independently introduced to directly contact with the sludge in the sludge reaction tank to generate strong oxidation-reduction reaction, organic pesticides, antibiotics and the like in the sludge are oxidized and decomposed into carbon dioxide and water, and harmful microorganisms in the sludge are killed.
3. The manufacture and application of the plant sludge pesticide-residue antibiotic degradation instrument according to claim 1, wherein the method comprises assembling the above-mentioned components into a plant sludge pesticide-residue antibiotic degradation instrument, switching on a power supply, starting an air compressor and a molecular sieve oxygen generator, filtering air by a filter to remove particulate matter and impurities in the air, introducing the filtered air into the air compressor to generate a high-pressure compressed air flow, drying by a dryer to remove moisture, cooling by a cooler, introducing the clean and dry compressed air into the oxygen generator, separating oxygen and nitrogen by adsorption with a high-efficiency molecular sieve, continuously concentrating the oxygen, introducing the concentrated oxygen into a high-pressure discharge ozone generator (comprising 5-50 pairs of barrier medium electrodes) to generate high-concentration ozone active oxygen, and connecting the ozone generator with a gas-liquid mixing pump through a pipeline, the gas-liquid mixing pump is connected with the water pipe, the gas-liquid mixing pump is started, so that pure ozone and water are mixed in the mixing pump to become ozone water, the ozone water is injected into the stainless steel sludge reaction tank through a water outlet of the mixing pump, or the ozone pipeline is directly introduced into the sludge reaction tank to be mixed with sludge, and organic pesticides, antibiotics, pathogenic bacteria and the like in the sludge are oxidized.
4. The manufacture and application of the plant sludge pesticide antibiotic degradation instrument according to claim 1, wherein the method can realize automatic control by adjusting a programmable controller in a control panel in the treatment process of b, change the alternating current frequency by a frequency converter, increase the alternating current frequency from 50Hz to 500Hz, improve the yield of ozone, change the alternating current voltage by a transformer, increase the voltage from 220V to 15000V, improve the high-voltage discharge frequency and efficiency, and improve the yield and effect of ozone. After the whole process, the final effluent of the step b contains ozone active oxygen, the ozone active oxygen is injected into sludge soil of the sludge reaction tank, a stirrer of the sludge reaction tank is started, ozone water and sludge are continuously and uniformly mixed, germs in the sludge soil can be quickly killed, micromolecular organic pesticides and organic antibiotics in the sludge soil are thoroughly oxidized into water and carbon dioxide, meanwhile, ozone and part of organic molecules in the reaction tank generate free radical reaction to generate various active oxygen free radicals with stronger activity, and the active oxygen free radicals further react with the pesticides and antibiotics in the sludge, so that the ozone oxidation effect is improved; in addition, if the water content in the sludge reaction tank is too much, the ozone outlet pipe can be directly inserted into the sludge reaction tank, ozone gas is directly mixed with sludge and undergoes redox reaction with organic pesticide and antibiotic in the sludge, the organic pesticide and antibiotic are thoroughly oxidized into carbon dioxide and water, germs in the sludge are killed, the sludge is timed for 50-120 minutes by the system control panel timer according to the sludge property and the different types and content of the pesticide and antibiotic, the upper part of the reaction tank is covered with a cover for sealing in the reaction process, and the harm to human bodies caused by the fact that ozone overflows into air is prevented.
5. The manufacture of the instrument for degrading pesticide and antibiotic in sludge residue in the factory according to any one of claims 1 to 4 and the application thereof in pesticide factories, pharmaceutical factories, food factories, municipal sewage treatment plants, municipal sludge pesticide residue and antibiotic pollution treatment.
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| CN101921041A (en) * | 2010-06-30 | 2010-12-22 | 深圳市深港产学研环保工程技术股份有限公司 | Ozone production method and sewage treatment method |
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