CN111908736A - Water treatment system for kitchen sewage - Google Patents
Water treatment system for kitchen sewage Download PDFInfo
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- CN111908736A CN111908736A CN202010897355.0A CN202010897355A CN111908736A CN 111908736 A CN111908736 A CN 111908736A CN 202010897355 A CN202010897355 A CN 202010897355A CN 111908736 A CN111908736 A CN 111908736A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1263—Sequencing batch reactors [SBR]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to a water treatment system for kitchen sewage, which comprises a storage tank, ultramicro bubble flotation equipment, an electrolysis and PH regulation combined tank, a hydrolysis acidification tank, a combined unit of an anaerobic reactor and an SBR reaction tank which are connected in sequence, a lifting pump and a pipeline mixer are arranged on a pipeline between the storage tank and the ultramicro bubble flotation equipment, the pipeline mixer is connected with the dosing device, the electrolysis and PH regulation combined tank comprises an electrolytic cell and a PH regulation tank, the ultramicro bubble flotation equipment is connected with the electrolytic cell through a pipeline, the electrolytic cell is connected with the PH regulation tank, the PH regulation tank is connected with an external PH regulator box, the device also comprises a sludge tank, the ultramicro bubble flotation equipment, the electrolysis and PH regulation combined tank, the hydrolysis acidification tank, the combined unit of the anaerobic reactor and the SBR reaction tank are all connected with a sludge tank, and the SBR reaction tank is connected with an external fan. The device can effectively remove harmful substances in the kitchen sewage, so that the kitchen sewage finally reaches the discharge standard.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of kitchen waste treatment equipment, in particular to a water treatment system for kitchen sewage.
[ background of the invention ]
With the gradual improvement of the living standard of residents in China, the waste phenomenon on dining tables becomes more and more serious, and the production amount of kitchen waste is rapidly increased. The kitchen waste refers to waste generated in activities such as daily life, food processing, food service, unit meal supply and the like of residents, and comprises discarded vegetable leaves, leftovers, fruit peels, eggshells, tea leaves, bones and the like, and the kitchen waste is mainly sourced from household kitchens, restaurants, dining halls, markets and other industries related to food processing. Because the kitchen waste is a solid-liquid mixture, during treatment, liquid kitchen waste water and solid kitchen waste are separated, and then solid and liquid waste water are treated respectively. At present, the research of scholars at home and abroad on the kitchen waste is mainly developed around the treatment of solid kitchen waste, and the treatment of liquid kitchen waste is rarely reported.
[ summary of the invention ]
In order to solve the problems, the invention aims to provide a water treatment system for kitchen sewage, which can effectively remove harmful substances in the kitchen sewage and achieve the discharge standard.
In order to achieve the purpose, the invention adopts the technical scheme that: a water treatment system for meal kitchen sewage, including storage tank, super little bubble flotation equipment, electrolysis and PH regulation combination pond, hydrolysis-acidification pool, anaerobic reactor's the combination unit and SBR reaction tank that connect gradually, be provided with elevator pump and line mixer on the pipeline between storage tank to the super little bubble flotation equipment, line mixer is connected with charge device, electrolysis and PH regulation combination pond include electrolytic bath and PH regulation pond, and super little bubble flotation equipment is connected with the electrolytic bath through the pipeline, and the electrolytic bath is connected with the PH regulation pond, and the PH regulation pond is connected with outside PH regulator box, still includes the sludge impoundment, super little bubble flotation equipment, electrolysis and PH regulation combination pond, hydrolysis-acidification pool, anaerobic reactor's combination unit and SBR reaction pond all are connected with the sludge impoundment, and the SBR reaction pond is connected with outside fan.
The water treatment system for kitchen sewage is further provided with the following components: the medicine adding device comprises a PAC medicine adding device and a PAM medicine adding device.
The water treatment system for kitchen sewage is further provided with the following components: and a first backflow pump is arranged on a pipeline between the ultramicro bubble flotation equipment and the electrolytic cell, and a backflow pipeline of the first backflow pump is connected to a feeding hole of the ultramicro bubble flotation equipment.
The water treatment system for kitchen sewage is further provided with the following components: and a second reflux pump is arranged on a pipeline between the PH adjusting tank and the hydrolysis acidification tank, and a reflux pipeline of the second reflux pump is connected to a feed inlet of the electrolytic cell.
The water treatment system for kitchen sewage is further provided with the following components: and a return pipeline is arranged in the hydrolysis acidification tank, the two ends of the return pipeline are respectively connected with a return port and a feed port of the hydrolysis acidification tank, and a third return pump is arranged on the return pipeline.
The water treatment system for kitchen sewage is further provided with the following components: the combined unit of the anaerobic reactors comprises a first multistage upflow anaerobic reactor and a second multistage upflow anaerobic reactor, wherein a backflow port is arranged on the second multistage upflow anaerobic reactor, the backflow port is connected to a feed inlet of the first multistage upflow anaerobic reactor through a backflow pipeline, and a fourth backflow pump is arranged on the backflow pipeline.
The water treatment system for kitchen sewage is further provided with the following components: an intermediate water tank is arranged between the combined unit of the anaerobic reactor and the SBR reaction tank.
Compared with the prior art, the invention has the following beneficial effects:
1. and (3) effectively separating small solid particles suspended in the kitchen sewage by adopting ultramicro bubble flotation equipment and a front-end treatment mode of PAC and PAM.
2. The combined unit of electrolytic separation and PH regulation is adopted, firstly, the electrolytic mechanism is adopted to convert harmful substances in the kitchen sewage into harmless substances, and then the PH value of the kitchen sewage is regulated to be neutral, so that a proper growth environment for microorganisms is formed during the subsequent anaerobic reaction.
3. The combined unit of the hydrolytic acidification reactor and the two-stage anaerobic reactor is adopted, and the hydrolytic acidification is adopted at first, so that the biodegradability of the sewage is improved, the anaerobic reaction is facilitated, and the organic matters in the wastewater are degraded.
4. And the SBR reaction tank is adopted to realize final denitrification and dephosphorization.
Foretell a water treatment system for meal kitchen sewage, it is in proper order through multiple processes such as solid-liquid separation, electrolytic separation, PH regulation, hydrolytic acidification, anaerobic reaction and SBR reaction, progressively handles meal kitchen sewage, can effectually get rid of the harmful substance in meal kitchen sewage, makes meal kitchen sewage finally reach emission standard.
[ description of the drawings ]
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. storage tank, 2, super microbubble flotation equipment, 3, electrolysis and PH regulation combination pond, 31, the electrolytic bath, 32, the PH regulation pond, 4, hydrolysis acidification tank, 5, first multistage upflow anaerobic reactor, 6, the multistage upflow anaerobic reactor of second, 7, SBR reaction tank, 8, the elevator pump, 9, the pipe mixer, 10, PAC charge device, 11, PAM charge device, 12, the sludge impoundment, 13, the fan, 14, the middle water tank, 15, first backwash pump, 16, the second backwash pump, 17, the third backwash pump, 18, the fourth backwash pump, 19, the PH regulator box.
[ detailed description ] embodiments
The water treatment system for kitchen wastewater according to the present invention is further described in detail by the following specific embodiments.
As shown in figure 1, a water treatment system for meal kitchen sewage, including storage tank 1, super microbubble flotation device 2, electrolysis and PH regulation combination pond 3, hydrolysis-acidification tank 4, anaerobic reactor's combination unit and SBR reaction tank 7 that connect gradually, be provided with elevator pump 8 and pipeline mixer 9 on the pipeline between storage tank 1 to the super microbubble flotation device 2, pipeline mixer 9 is connected with charge device, charge device includes PAC charge device 10 and PAM charge device 11. PAC is polyaluminium chloride, which is used in industrial water treatment for coagulation to form a network in water that binds together small solid particles in wastewater. PAM is an organic polymer and is used as a flocculating agent in industrial water treatment, and the organic polymer can enlarge solid particles, so that the solid particles sink, and the supernatant is colorless and transparent. The ultra-micro bubble flotation equipment 2 is water treatment equipment which is introduced into water or generates a large amount of micro bubbles, so that air is attached to suspended particles in a highly dispersed micro bubble form to cause the density to be lower than that of the water, and the air floats on the water surface by utilizing the buoyancy principle, thereby realizing solid-liquid separation.
The electrolysis and PH regulation combined tank 3 comprises an electrolytic tank 31 and a PH regulation tank 32, the ultramicro bubble flotation equipment 2 is connected with the electrolytic tank 31 through a pipeline, the electrolytic tank 31 is connected with the PH regulation tank 32, the PH regulation tank 32 is connected with an external PH regulation agent box 19, hydrochloric acid or caustic soda flakes are usually contained in the PH regulation agent box 19, and the PH value in the wastewater is regulated to be neutral by adding certain hydrochloric acid or caustic soda flakes solution and stirring and mixing by using a stirrer in the industrial wastewater treatment engineering. The electrolytic cell 31 is a wastewater electrolytic treatment method, which is a method for purifying wastewater by applying an electrolysis mechanism to convert harmful substances in the original wastewater into harmless substances through oxidation and reduction reactions on a positive electrode and a negative electrode respectively in an electrolytic process.
Still include sludge impoundment 12, super microbubble flotation equipment 2, electrolysis and PH regulation combination pond 3, hydrolysis-acidification tank 4, anaerobic reactor's combined unit and SBR reaction tank 7 all are connected with sludge impoundment 12, and SBR reaction tank 7 is connected with outside fan 13, be provided with the middle water tank 14 that is used for the transition between anaerobic reactor's combined unit and SBR reaction tank 7.
And (4) hydrolysis acidification pool 4: the hydrolytic acidification is mainly used for sewage treatment processes with high organic matter concentration and high SS, and is an important process. When the organic matter in water is complex structure, the hydrolytic acidification bacteria utilizes H2The ionization of O opens C-C in organic molecules, and hydrolyzes long chains into short chains, branched chains into straight chains and cyclic structures to form straight chains or branched chains, thereby improving the biodegradability of sewage. When the SS in water is high, hydrolytic bacteria capture the SS through extracellular mucosa, and the hydrolytic bacteria hydrolyze molecular fragments by exoenzyme and then enter intracellular metabolism, incomplete metabolism can enable the SS to become soluble organic matters, and the yielding water becomesIs clear. Meanwhile, the hydrolytic bacteria are in the form of activities which utilize covalent bond energy in organic substances with hydrolytic broken bonds to complete life.
SBR reaction tank 7: SBR is a short name of a sequencing batch activated sludge process, and is an activated sludge sewage treatment technology which operates in an intermittent aeration mode. The SBR reactor is mainly characterized by orderly and intermittent operation in operation, and the core of the SBR technology is an SBR reaction tank 7 which integrates the functions of homogenization, primary sedimentation, biodegradation, secondary sedimentation and the like in a first tank and has no sludge backflow system.
As a preferred scheme, each main component in the application is provided with a backflow device, specifically: a first backflow pump 15 is arranged on a pipeline between the ultramicro bubble flotation equipment 2 and the electrolytic cell 31, and a backflow pipeline of the first backflow pump 15 is connected to a feeding hole of the ultramicro bubble flotation equipment 2. A second reflux pump 16 is arranged on a pipeline between the pH adjusting tank 32 and the hydrolysis acidification tank, and a reflux pipeline of the second reflux pump 16 is connected to a feed inlet of the electrolytic cell 31. A return pipeline is arranged in the hydrolysis acidification tank 4, the two ends of the return pipeline are respectively connected with a return port and a feed port of the hydrolysis acidification tank 4, and a third return pump 17 is arranged on the return pipeline. The combined unit of the anaerobic reactors comprises a first multistage upflow anaerobic reactor 5 and a second multistage upflow anaerobic reactor 6, wherein a reflux port is arranged on the second multistage upflow anaerobic reactor 6, the reflux port is connected to a feed inlet of the first multistage upflow anaerobic reactor 5 through a reflux pipeline, and a fourth reflux pump 18 is arranged on the reflux pipeline. The anaerobic process is essentially a complex series of biochemical reactions in which substrates, various intermediates, end products and various populations of microorganisms interact with each other to form a complex micro-ecosystem, similar to the food chain relationship in macroecology, and various microorganisms form a symbiotic relationship (symbiotics) or a symbiotic relationship (symtrophics) through nutrient substrates and metabolites. Therefore, the reactor is a micro-ecosystem for providing the growth and propagation of microorganisms, and the smooth growth of various microorganisms and the efficient and smooth flow of materials and energy are necessary conditions for keeping the system stable continuously.
Compared with the prior art, the invention has the following beneficial effects:
1. and (3) adopting ultramicro bubble flotation equipment 2 and a front-end processing mode of PAC and PAM to effectively separate solid small particles suspended in the kitchen sewage.
2. The combined unit of electrolytic separation and PH regulation is adopted, firstly, the electrolytic mechanism is adopted to convert harmful substances in the kitchen sewage into harmless substances, and then the PH value of the kitchen sewage is regulated to be neutral, so that a proper growth environment for microorganisms is formed during the subsequent anaerobic reaction.
3. The combined unit of the hydrolytic acidification reactor and the two-stage anaerobic reactor is adopted, and the hydrolytic acidification is adopted at first, so that the biodegradability of the sewage is improved, the anaerobic reaction is facilitated, and the organic matters in the wastewater are degraded.
4. And the SBR reaction tank 7 is adopted to realize final denitrification and dephosphorization.
Foretell a water treatment system for meal kitchen sewage, it is in proper order through multiple processes such as solid-liquid separation, electrolytic separation, PH regulation, hydrolytic acidification, anaerobic reaction and SBR reaction, progressively handles meal kitchen sewage, can effectually get rid of the harmful substance in meal kitchen sewage, makes meal kitchen sewage finally reach emission standard.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, not restrictive; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (7)
1. A water treatment system for meal kitchen sewage, its characterized in that: including storage tank, super little bubble flotation equipment, electrolysis and PH regulation combination pond, hydrolysis-acidification pool, anaerobic reactor's the combination unit and SBR reaction tank that connect gradually, be provided with elevator pump and pipeline mixer on the pipeline between storage tank to the super little bubble flotation equipment, pipeline mixer is connected with charge device, electrolysis and PH regulation combination pond include electrolytic bath and PH regulation pool, and super little bubble flotation equipment is connected with electrolytic bath through the pipeline, and electrolytic bath is connected with the PH regulation pool, and the PH regulation pool is connected with outside PH regulator box, still includes the sludge impoundment, super little bubble flotation equipment, electrolysis and PH regulation combination pond, hydrolysis-acidification pool, anaerobic combination unit and SBR reaction tank all are connected with the sludge impoundment, and the SBR reaction tank is connected with outside fan.
2. The water treatment system for kitchen sewage according to claim 1, characterized in that: the medicine adding device comprises a PAC medicine adding device and a PAM medicine adding device.
3. The water treatment system for kitchen sewage according to claim 1, characterized in that: and a first backflow pump is arranged on a pipeline between the ultramicro bubble flotation equipment and the electrolytic cell, and a backflow pipeline of the first backflow pump is connected to a feeding hole of the ultramicro bubble flotation equipment.
4. The water treatment system for kitchen sewage according to claim 1, characterized in that: and a second reflux pump is arranged on a pipeline between the PH adjusting tank and the hydrolysis acidification tank, and a reflux pipeline of the second reflux pump is connected to a feed inlet of the electrolytic cell.
5. The water treatment system for kitchen sewage according to claim 1, characterized in that: and a return pipeline is arranged in the hydrolysis acidification tank, the two ends of the return pipeline are respectively connected with a return port and a feed port of the hydrolysis acidification tank, and a third return pump is arranged on the return pipeline.
6. The water treatment system for kitchen sewage according to claim 1, characterized in that: the combined unit of the anaerobic reactors comprises a first multistage upflow anaerobic reactor and a second multistage upflow anaerobic reactor, wherein a backflow port is arranged on the second multistage upflow anaerobic reactor, the backflow port is connected to a feed inlet of the first multistage upflow anaerobic reactor through a backflow pipeline, and a fourth backflow pump is arranged on the backflow pipeline.
7. The water treatment system for kitchen sewage according to claim 1, characterized in that: an intermediate water tank is arranged between the combined unit of the anaerobic reactor and the SBR reaction tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010897355.0A CN111908736A (en) | 2020-08-31 | 2020-08-31 | Water treatment system for kitchen sewage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010897355.0A CN111908736A (en) | 2020-08-31 | 2020-08-31 | Water treatment system for kitchen sewage |
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| CN111908736A true CN111908736A (en) | 2020-11-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114085012A (en) * | 2022-01-19 | 2022-02-25 | 湖南金旅环保股份有限公司 | Organic wastewater treatment system and organic wastewater treatment method |
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2020
- 2020-08-31 CN CN202010897355.0A patent/CN111908736A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114085012A (en) * | 2022-01-19 | 2022-02-25 | 湖南金旅环保股份有限公司 | Organic wastewater treatment system and organic wastewater treatment method |
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