CN212025260U - Organic hazardous waste treatment system - Google Patents
Organic hazardous waste treatment system Download PDFInfo
- Publication number
- CN212025260U CN212025260U CN202020685227.5U CN202020685227U CN212025260U CN 212025260 U CN212025260 U CN 212025260U CN 202020685227 U CN202020685227 U CN 202020685227U CN 212025260 U CN212025260 U CN 212025260U
- Authority
- CN
- China
- Prior art keywords
- tank
- hazardous waste
- treatment system
- water
- organic hazardous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an organic hazardous waste treatment system, include the pyrolysis furnace, condensation and the water oil separating integration equipment that arrange in proper order according to processing technology, congeal air supporting unit, second PH adjustment tank, the little electrolysis trough of iron carbon, fenton oxidation groove, coagulating sedimentation unit, UASB anaerobic reactor, hydrolytic acidification groove, contact oxidation groove, MBR membrane bioreactor, active carbon adsorber, precision filter, RO membrane system and multiple-effect evaporation system, condensation and water oil separating integration equipment are supporting to have cooling circulation water system. By adopting the treatment system and the method, the organic hazardous waste can be reliably treated, the recycling of water resources is realized, and considerable economic benefit and environmental benefit are achieved.
Description
Technical Field
The utility model relates to an organic dangerous waste treatment technical field, concretely relates to organic dangerous waste treatment system.
Background
Along with the continuous development of industrial technology, the production amount of organic hazardous wastes is also increasing, the random stacking of the hazardous wastes causes great harm and influence to the environment, and along with the perfection of environmental laws and regulations and the great demand of people on environment improvement, the organic hazardous wastes must be effectively treated and disposed.
At present, organic hazardous wastes are mainly treated by an incineration process, the organic hazardous wastes generally contain about 30 percent of free water, after the organic hazardous wastes are subjected to incineration treatment, the free water contained in raw materials and moisture generated in the organic incineration process enter a tail gas treatment system along with incineration flue gas, and are finally discharged into the atmosphere through a chimney, and the flue gas contains a large amount of water vapor, so that the phenomenon of 'white smoke' in vision is caused, a large amount of water resources are wasted, and the environment and the climate are greatly influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a dangerous waste treatment system of organic type to reliably handle dangerous waste of organic type, and realize the recycle of water resource, thereby realize considerable economic benefits and environmental benefit.
The utility model discloses an above-mentioned problem is solved to following technical means:
the utility model provides an organic dangerous waste treatment system, includes the pyrolysis furnace, condensation and water oil separating integration equipment, thoughtlessly congeals air supporting unit, second PH adjustment tank, the little electrolysis trough of iron carbon, fenton oxidation groove, coagulating sedimentation unit, UASB anaerobic reactor, hydrolytic acidification groove, contact oxidation groove, MBR membrane bioreactor, active carbon absorber, precision filter, RO membrane system and multiple-effect evaporation system that arrange in proper order according to processing technology, condensation and water oil separating integration equipment are supporting has cooling circulation water system.
Further, the coagulation and air floatation unit comprises a first PH adjusting tank, a first coagulation tank, a first flocculation tank and an air floatation integrated machine.
Further, the coagulating sedimentation unit comprises a third PH adjusting tank, a second coagulating tank, a second flocculating tank and a sedimentation tank.
Further, a first buffer tank and a lift pump are arranged between the sedimentation tank and the UASB anaerobic reactor.
Further, a suction pump, a second buffer tank and a filter pump are arranged between the MBR membrane bioreactor and the activated carbon adsorber.
Further, a high-pressure pump is arranged between the precision filter and the RO membrane system.
The method for treating the organic hazardous waste by using the system comprises the following steps:
cracking organic hazardous wastes to obtain high-temperature oil gas and directly discharged carbon black, condensing the high-temperature oil gas to obtain a liquid oil-water mixture and directly discharged non-condensable gas, and performing oil-water separation on the liquid oil-water mixture to obtain cracked oil and oily wastewater;
b, sequentially adding dilute alkali liquor, PAC flocculant and PAM coagulant aid into the oily wastewater, and performing coagulation air flotation treatment to deeply remove oil substances in the wastewater;
c, adding dilute sulfuric acid into the deoiled wastewater to adjust the pH value, performing iron-carbon micro-electrolysis treatment, and adding hydrogen peroxide to perform Fenton oxidation treatment, so that the COD (chemical oxygen demand) of the wastewater is reduced, and the biodegradability is improved;
d, sequentially adding dilute alkali liquor, PAC flocculant and PAM coagulant aid into the wastewater after Fenton oxidation treatment, performing coagulating sedimentation treatment, and precipitating and separating sludge generated in the wastewater treatment process;
e, sequentially carrying out anaerobic reaction, hydrolytic acidification, contact oxidation and MBR membrane bioreaction treatment on the supernatant after coagulating sedimentation;
f, sequentially carrying out activated carbon adsorption, precise filtration and RO membrane deep filtration treatment on the wastewater after biological treatment, and recycling all the generated purified water to a cooling circulating water system; the generated concentrated water is sent to a multi-effect evaporation system for evaporation concentration treatment, and the generated distilled water is completely recycled to a cooling circulating water system.
The temperature of the high-temperature oil gas in the step a is 400-500 ℃, and the temperature of the non-condensable decomposition gas and the liquid oil-water mixture obtained after condensation is about 40 ℃;
further, the high-temperature oil gas condensing equipment in the step a is matched with a cooling circulating water system, the inlet water temperature of the cooling circulating water is 32 ℃, and the outlet water temperature is 40 ℃;
the oil-water separation in the step a is realized by utilizing the difference of specific gravity of oil and water through gravity sedimentation;
b, the air flotation in the step b adopts a dissolved air flotation principle, and the formed micro-bubble groups are utilized to remove oil substances in the wastewater by adsorption;
further, dilute sulfuric acid is added into the deoiled wastewater in the step c to adjust the pH value to 2-3;
further, the Fenton oxidation reaction time in the step c is not less than 2 hours;
the equipment used for the anaerobic reaction in the step e is an up-flow anaerobic sludge bed reactor (UASB anaerobic reactor for short), and has the characteristics of high sludge concentration, high volume load and good treatment effect;
the MBR membrane bioreactor in the step e is a novel water treatment technology combining a membrane separation unit and a biological treatment unit, and a membrane component is used for replacing a secondary sedimentation tank to play a role in keeping the concentration of activated sludge and separating biochemical sludge;
further, the pore size of the microfiltration in the step f is 4-6 microns, preferably 5 microns;
the purified water in the step f can reach the standard of water for cooling circulating water in the quality of municipal wastewater recycling industrial water;
the multi-effect evaporation in the step f is particularly triple-effect evaporation, and the distilled water can reach the standard of cooling circulating water in quality of municipal sewage recycling industrial water.
The utility model has the advantages that:
the utility model provides an organic dangerous waste treatment system, include the pyrolysis furnace, condensation and the water oil separating integration equipment that arrange in proper order according to processing technology, congeal air supporting unit, second PH adjustment tank, the little electrolysis trough of iron carbon, fenton oxidation groove, coagulating sedimentation unit, UASB anaerobic reactor, hydrolytic acidification groove, contact oxidation groove, MBR membrane bioreactor, active carbon absorber, precision filter, RO membrane system and multiple-effect evaporation system, condensation and water oil separating integration equipment are supporting to have cooling circulation water system. By adopting the treatment system and the method, the organic hazardous waste can be reliably treated, the recycling of water resources is realized, and considerable economic benefit and environmental benefit are achieved.
In particular, the advantages of the present application are reflected in the following aspects:
1. the method can realize the complete recycling of free water contained in the organic hazardous waste and water generated in the treatment process, realize the zero discharge of waste water, save energy and protect environment;
2. the produced pyrolysis oil and carbon black can be used as fuel and reducing agent of the smelting furnace kiln, so that the resource regeneration and cyclic utilization are realized;
3. greatly reduces the consumption of fresh water, saves resources and production cost, and has remarkable economic benefit.
Drawings
The invention is further described with reference to the following figures and examples.
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a partial structural view of the front section of the present invention;
FIG. 3 is a schematic view of a partial structure of the middle section of the present invention;
fig. 4 is a schematic view of a rear-end partial structure of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the present embodiment discloses an organic hazardous waste treatment system, which includes a cracking furnace 1, a condensation and oil-water separation integrated device 2, a coagulation air flotation unit, a second PH adjustment tank 7, an iron-carbon micro-electrolysis tank 8, a fenton oxidation tank 9, a coagulation precipitation unit, a UASB anaerobic reactor 16, a hydrolysis acidification tank 17, a contact oxidation tank 18, an MBR membrane bioreactor 19, an activated carbon adsorber 23, a precision filter 24, an RO membrane system 26, and a multi-effect evaporation system 27, which are sequentially arranged according to a treatment process, wherein the condensation and oil-water separation integrated device is matched with a cooling circulation water system.
The coagulation and air floatation unit comprises a first PH adjusting tank 3, a first coagulation tank 4, a first flocculation tank 5 and an air floatation integrated machine 6. The coagulation air floatation unit is used for carrying out coagulation air floatation treatment on the oily wastewater so as to deeply remove oil substances in the wastewater.
The coagulating sedimentation unit comprises a third PH adjusting tank 10, a second coagulating tank 11, a second flocculating tank 12 and a sedimentation tank 13. The coagulating sedimentation unit is used for precipitating and separating sludge generated in the wastewater treatment process
A first buffer tank 14 and a lift pump 15 are arranged between the sedimentation tank 13 and the UASB anaerobic reactor 16.
A suction pump 20, a second buffer tank 21 and a filter pump 22 are arranged between the MBR membrane bioreactor 19 and the activated carbon adsorber 23.
A high-pressure pump 25 is arranged between the precision filter 24 and the RO membrane system 26.
The method for treating the organic hazardous waste by using the system comprises the following steps:
cracking organic hazardous wastes to obtain high-temperature oil gas and directly discharged carbon black, condensing the high-temperature oil gas to obtain a liquid oil-water mixture and directly discharged non-condensable gas, and performing oil-water separation on the liquid oil-water mixture to obtain cracked oil and oily wastewater;
b, sequentially adding dilute alkali liquor, PAC flocculant and PAM coagulant aid into the oily wastewater, and performing coagulation air flotation treatment to deeply remove oil substances in the wastewater;
c, adding dilute sulfuric acid into the deoiled wastewater to adjust the pH value, performing iron-carbon micro-electrolysis treatment, and adding hydrogen peroxide to perform Fenton oxidation treatment, so that the COD (chemical oxygen demand) of the wastewater is reduced, and the biodegradability is improved;
d, sequentially adding dilute alkali liquor, PAC flocculant and PAM coagulant aid into the wastewater after Fenton oxidation treatment, performing coagulating sedimentation treatment, and precipitating and separating sludge generated in the wastewater treatment process;
e, sequentially carrying out anaerobic reaction, hydrolytic acidification, contact oxidation and MBR membrane bioreaction treatment on the supernatant after coagulating sedimentation;
f, sequentially carrying out activated carbon adsorption, precise filtration and RO membrane deep filtration treatment on the wastewater after biological treatment, and recycling all the generated purified water to a cooling circulating water system; the generated concentrated water is sent to a multi-effect evaporation system for evaporation concentration treatment, and the generated distilled water is completely recycled to a cooling circulating water system.
The temperature of the high-temperature oil gas in the step a is 400-500 ℃, and the temperature of the non-condensable decomposition gas and the liquid oil-water mixture obtained after condensation is about 40 ℃;
the high-temperature oil gas condensing equipment in the step a is matched with a cooling circulating water system, the inlet water temperature of the cooling circulating water is 32 ℃, and the outlet water temperature is 40 ℃;
the oil-water separation in the step a is realized by utilizing the difference of specific gravity of oil and water through gravity sedimentation;
b, the air flotation in the step b adopts a dissolved air flotation principle, and the formed micro-bubble groups are utilized to remove oil substances in the wastewater by adsorption;
c, adding dilute sulfuric acid into the deoiled wastewater in the step c to adjust the pH value to 2-3;
the Fenton oxidation reaction time in the step c is not less than 2 hours;
the equipment used for the anaerobic reaction in the step e is an up-flow anaerobic sludge bed reactor (UASB anaerobic reactor for short), and has the characteristics of high sludge concentration, high volume load and good treatment effect;
the MBR membrane bioreactor in the step e is a novel water treatment technology combining a membrane separation unit and a biological treatment unit, and a membrane component is used for replacing a secondary sedimentation tank to play a role in keeping the concentration of activated sludge and separating biochemical sludge;
the pore size of the microfiltration in the step f is 4-6 microns, preferably 5 microns;
the purified water in the step f can reach the standard of water for cooling circulating water in the quality of municipal wastewater recycling industrial water;
the multi-effect evaporation in the step f is particularly triple-effect evaporation, and the distilled water can reach the standard of cooling circulating water in quality of municipal sewage recycling industrial water.
By adopting the treatment system and the method, the organic hazardous waste can be reliably treated, the recycling of water resources is realized, and considerable economic benefit and environmental benefit are achieved.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. An organic hazardous waste treatment system, characterized in that: the device comprises a cracking furnace, condensation and oil-water separation integrated equipment, a coagulation air flotation unit, a second PH adjusting tank, an iron-carbon micro-electrolysis tank, a Fenton oxidation tank, a coagulation precipitation unit, a UASB (upflow anaerobic sludge blanket) anaerobic reactor, a hydrolysis acidification tank, a contact oxidation tank, an MBR (membrane bioreactor), an activated carbon adsorber, a precision filter, an RO (reverse osmosis) membrane system and a multi-effect evaporation system which are sequentially arranged according to a treatment process, wherein the condensation and oil-water separation integrated equipment is matched with a cooling circulating water system.
2. The organic hazardous waste treatment system according to claim 1, wherein: the coagulation and air floatation unit comprises a first PH adjusting tank, a first coagulation tank, a first flocculation tank and an air floatation integrated machine.
3. The organic hazardous waste treatment system according to claim 2, wherein: the coagulating sedimentation unit comprises a third PH adjusting tank, a second coagulating tank, a second flocculating tank and a sedimentation tank.
4. The organic hazardous waste treatment system according to claim 3, wherein: a first buffer tank and a lift pump are arranged between the sedimentation tank and the UASB anaerobic reactor.
5. The organic hazardous waste treatment system according to claim 4, wherein: and a suction pump, a second buffer tank and a filter pump are arranged between the MBR membrane bioreactor and the activated carbon adsorber.
6. The organic hazardous waste treatment system according to claim 5, wherein: and a high-pressure pump is arranged between the precision filter and the RO membrane system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020685227.5U CN212025260U (en) | 2020-04-29 | 2020-04-29 | Organic hazardous waste treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020685227.5U CN212025260U (en) | 2020-04-29 | 2020-04-29 | Organic hazardous waste treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212025260U true CN212025260U (en) | 2020-11-27 |
Family
ID=73495527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020685227.5U Active CN212025260U (en) | 2020-04-29 | 2020-04-29 | Organic hazardous waste treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212025260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111410980A (en) * | 2020-04-29 | 2020-07-14 | 湖南叶林环保科技有限公司 | Organic hazardous waste treatment system and method |
-
2020
- 2020-04-29 CN CN202020685227.5U patent/CN212025260U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111410980A (en) * | 2020-04-29 | 2020-07-14 | 湖南叶林环保科技有限公司 | Organic hazardous waste treatment system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2010361835A1 (en) | Treatment for molasses spent wash and other wastewaters | |
| CN102659281B (en) | Treatment method of liquor production wastewater | |
| CN210711182U (en) | Pharmaceutical intermediate waste water treatment system and pretreatment system | |
| CN110776208A (en) | Treatment process of mixed wastewater containing 2B oil, 2B acid and 4B acid | |
| CN111170587B (en) | Spraying wastewater treatment process | |
| CN103408201A (en) | Treatment method of industrial wastewater in silicon wafer mortar recovery | |
| CN108975616A (en) | Handle the system and method for biomass pyrolytic water | |
| CN111470729A (en) | Garbage leachate treatment system and method for garbage incineration power plant | |
| CN107459217A (en) | Scrap processing system of lithium ion battery circulation reconstruction waste water | |
| CN212025260U (en) | Organic hazardous waste treatment system | |
| CN108773982B (en) | Treatment method of high-concentration wastewater | |
| CN101486524A (en) | Comprehensive processing method for furfural production wastewater | |
| CN105692967B (en) | A kind of processing method of PVA process units waste water | |
| CN103896457B (en) | A kind of Fine Chemistry Wastewater treatment process | |
| CN112390446A (en) | Zero-discharge treatment method for coking wastewater | |
| CN208857099U (en) | The system for handling biomass pyrolytic water | |
| CN111003876A (en) | Intensified treatment process for anaerobic fermentation biogas slurry with high turbidity, high organic matter and high phosphorus | |
| CN113429083B (en) | Zero-liquid discharge treatment process and system for mixed wastewater of tar processing and needle coke | |
| CN111410980A (en) | Organic hazardous waste treatment system and method | |
| CN106145532B (en) | Biochemical and evaporation combined treatment system and technology for landfill leachate | |
| CN108218146A (en) | A kind for the treatment of process and processing system of rubber chemicals class high concentrated organic wastewater | |
| CN212356935U (en) | Garbage leachate treatment system of garbage incineration power plant | |
| CN211445406U (en) | Landfill leachate treatment device | |
| CN111204924B (en) | Zero-discharge treatment method for production wastewater of ethyl chloride | |
| CN113461267A (en) | Coking wastewater cleaning treatment and efficient recycling technical system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |