CN111875160A - Organic wastewater treatment system - Google Patents

Organic wastewater treatment system Download PDF

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Publication number
CN111875160A
CN111875160A CN202010701425.0A CN202010701425A CN111875160A CN 111875160 A CN111875160 A CN 111875160A CN 202010701425 A CN202010701425 A CN 202010701425A CN 111875160 A CN111875160 A CN 111875160A
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China
Prior art keywords
plate
sedimentation tank
coagulating sedimentation
wastewater treatment
organic wastewater
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CN202010701425.0A
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Chinese (zh)
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CN111875160B (en
Inventor
洪双文
蔡伟平
占列
纪任丹
曾特艺
黄忠飞
赖梦妍
张凯寅
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Xiamen Dongjiang Environmental Protection Technology Co ltd
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Xiamen Dongjiang Environmental Protection Technology Co ltd
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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
    • 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
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • 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
    • 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
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • 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
    • 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
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/02—Specific form of oxidant
    • C02F2305/026—Fenton's reagent
    • 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

Abstract

The application relates to an organic wastewater treatment system, which belongs to the technical field of sewage treatment and comprises an acid precipitation sedimentation tank, a chemical oxidation tank, a coagulating sedimentation tank, a biological contact oxidation tank and an RO + DTRO system which are sequentially connected; and a sludge dewatering device is arranged at the bottom of the coagulating sedimentation tank. This application has the advantage that reduces organic waste water treatment cost.

Description

Organic wastewater treatment system
Technical Field
The application belongs to the technical field of sewage treatment, and particularly relates to an organic wastewater treatment system.
Background
The Fenton oxidation method utilizes Fe under acidic condition2+Catalytic decomposition of H2O2OH generated degradation sludgeDyeing material and Fe produced3+The Fenton reagent has two functions of oxidation and coagulation in water treatment. In one aspect, the oxidation of the organic material is Fe2+And H2O2The free radical reaction is carried out by generating hydroxyl free radical with extremely strong oxidizing ability and OH; on the other hand, Fe (OH) produced by the reaction3The colloid has flocculation and adsorption functions, and can also remove partial organic matters in water.
At present, the application research of the oxidation characteristic of the Fenton reagent in the organic wastewater treatment process mainly comprises the following three processes: the general Fenton method, the photo-Fenton method and the electro-Fenton method. The common fenton method is that hydrogen peroxide is decomposed under the catalytic action of ferrous ions to generate hydroxyl radicals, and the hydroxyl radicals have strong oxidability and can convert organic molecules into inorganic substances. Meanwhile, ferrous ions as a catalyst are oxidized into ferric ions, and if the pH value of the solution is neutral or alkaline, Fe (OH) can be generated3The appearance of colloid, known as flocculation adsorption of colloid, can remove micro suspended particles and colloid in sewage on a large scale, and greatly improve water quality. But in the presence of H2O2The utilization rate of the organic matter is not high, so that a Fenton reagent system under ultraviolet or visible light irradiation is called as a light-Fenton reagent, and the treatment efficiency of the organic matter and the degradation degree of the organic matter are improved by the light-Fenton reagent. The electro-Fenton reagent is used for generating H through electrolytic reaction in an electrolytic bath2O2Or Fe2+Thereby forming a Fenton reagent and leading the wastewater to flow into the electrolytic bath, and improving the reaction mechanism due to the electrochemical action, thereby improving the treatment effect of the reagent.
In view of the above-mentioned related art, the inventors have found that if the organic wastewater is used by using the fenton reaction alone, there is a problem that the cost for treating the organic wastewater is excessively high.
Disclosure of Invention
In order to reduce the treatment cost of organic wastewater, the application provides an organic wastewater treatment system.
The application provides an organic wastewater treatment system adopts following technical scheme:
an organic wastewater treatment system comprises an acid precipitation sedimentation tank, a chemical oxidation tank, a coagulation sedimentation tank, a biological contact oxidation tank and an RO + DTRO system which are sequentially connected; and a sludge dewatering device is arranged at the bottom of the coagulating sedimentation tank.
By adopting the technical scheme, the wastewater is treated by utilizing a Fenton method and a biochemical combined treatment process, the COD removal rate of the organic wastewater is improved, and the cost of wastewater treatment is reduced.
Preferably, the sludge dewatering device is including the through-hole that is located the coagulating sedimentation tank lateral wall, it is provided with the barrier plate to slide in the through-hole, the barrier plate drives the displacement through first drive assembly, the barrier plate forms the dehydration chamber with the coagulating sedimentation tank bottom wall, the slip is provided with the extrusion subassembly in the dehydration chamber, the extrusion subassembly drives the displacement through second drive assembly, the bearing plate has been put to the lateral wall in dehydration chamber, extrusion subassembly side and bearing plate side looks butt, be provided with a plurality of apopores that communicate with biological contact oxidation pond on the bearing plate, be provided with first permeable membrane between bearing plate and the extrusion subassembly, coagulating sedimentation tank bottom just is located the bearing plate below and is provided with the discharge gate, be provided with switch valve in the discharge gate.
Through adopting above-mentioned technical scheme, when the solid sediment of coagulating sedimentation tank bottom is more, drive first drive assembly for the barrier plate is kept apart coagulating sedimentation tank, forms the dehydration chamber, then starts second drive assembly, under the effect of extrusion subassembly and holding plate, dewaters the solid sediment, thereby need not follow-up dehydration.
Preferably, the extrusion assembly comprises a connecting plate, springs and an extrusion plate, the connecting plate is connected with the second driving assembly, one side, far away from the second driving assembly, of the connecting plate is connected with the springs, and the extrusion plate is arranged at one end, far away from the connecting plate, of each spring.
Through adopting above-mentioned technical scheme, utilize the spring to play the cushioning effect for the stripper plate second actuating mechanism still can drive the connecting plate and remove in opposite directions when extrudeing solid waste, thereby the moisture content of solid waste after the control squeezes.
Preferably, the switch valve is including being located coagulating sedimentation tank diapire installation cavity, set up the pivot in the installation cavity, be provided with the drive in the installation cavity pivot pivoted third drive assembly, be provided with the partition panel that blocks the discharge gate in the pivot, coagulating sedimentation tank bottom be provided with the receipts storage bucket of discharge gate intercommunication.
Through adopting above-mentioned technical scheme, after the completion is to the extrusion of solid sediment, start the third drive assembly, rotate the pivot for the partition panel leaves the discharge gate, and solid waste can accomplish the collection to solid waste in can discharging the receiving bucket through the discharge gate.
Preferably, the other end of pivot is provided with the installing frame, the installing frame is located in the discharge gate, be provided with the second membrane of permeating water in the installing frame, the installing frame bottom with biological contact oxidation pond intercommunication.
Through adopting above-mentioned technical scheme, when extrusion subassembly moved towards the holding plate, start the third drive assembly, rotate the pivot for the installing frame is located the discharge gate, thereby is convenient for the water of dehydration intracavity to discharge through the discharge gate, accelerates the water discharge of dehydration intracavity.
Preferably, the material bearing plate is obliquely arranged, the lower end of the material bearing plate is close to the extrusion assembly, and the higher end of the material bearing plate is provided with the blanking assembly.
Through adopting above-mentioned technical scheme, the material bearing plate is the slope setting for when extrudeing the solid deposit, the water that extrudes flows from the apopore under the effect of self gravity, thereby reduces the moisture content that obtains the solid.
Preferably, the blanking assembly comprises a material pushing plate and a fourth driving assembly, the material pushing plate is arranged on the upper surface of the material bearing plate in a sliding mode, and the fourth driving assembly is used for driving the material pushing plate to move.
Through adopting above-mentioned technical scheme, under the extrusion subassembly effect, accomplish and dewater the solid deposit, then start the fourth drive subassembly, promote the scraping wings under the effect of fourth drive subassembly and slide, push the operating valve to the mud between extrusion subassembly and the holding plate to accomplish the unloading work to the mud after the dehydration.
Preferably, the bottom wall of the coagulating sedimentation tank is obliquely arranged, and the lower end of the coagulating sedimentation tank is close to the switch valve.
Through adopting above-mentioned technical scheme, the coagulating sedimentation tank diapire is the slope setting for solid deposition can be along coagulating sedimentation tank diapire flow direction, under the effect of extrusion subassembly, conveniently dewaters solid deposition, need not follow-up dehydration to mud, reduces subsequent operating cost.
In summary, the present application includes at least one of the following beneficial technical effects:
the Fenton method and the biochemical combined treatment process are utilized to treat the wastewater, so that the COD removal rate of the organic wastewater is improved, and the cost of wastewater treatment is reduced;
when the solid sediment at the bottom of the coagulation sedimentation tank is more, driving the first driving assembly to enable the blocking plate to isolate the coagulation sedimentation tank to form a dehydration cavity, then starting the second driving assembly, and dehydrating the solid sediment under the action of the extrusion assembly and the material bearing plate, so that subsequent dehydration treatment is not needed;
when the extrusion assembly moves towards the material bearing plate, the third driving assembly is started, and the rotating shaft is rotated, so that the mounting frame is positioned in the discharge port, water in the dehydration cavity is convenient to discharge through the discharge port, and water in the dehydration cavity is accelerated to discharge.
Drawings
FIG. 1 is a schematic flow chart of the present embodiment;
FIG. 2 is a schematic sectional view of the coagulating sedimentation tank in the present embodiment;
fig. 3 is a schematic structural diagram of the switching valve in this embodiment.
Reference numerals: 1. an acid precipitation sedimentation tank; 2. a chemical oxidation pond; 3. a coagulating sedimentation tank; 4. a biological contact oxidation pond; 5. an RO + DTRO system; 6. a grid; 7. a sludge dewatering device; 701. a through hole; 702. a blocking plate; 703. a groove; 704. a first drive assembly; 705. a dehydration cavity; 706. an extrusion assembly; 7061. a connecting plate; 7062. a spring; 7063. a pressing plate; 707. a material bearing plate; 708. a second drive assembly; 709. a water outlet hole; 710. a first water permeable membrane; 711. a discharge port; 712. opening and closing the valve; 7121. a mounting cavity; 7122. a rotating shaft; 7123. a third drive assembly; 7124. a partition panel; 7125. a material receiving barrel; 7126. installing a frame; 7127. a second water permeable membrane; 713. a blanking assembly; 7131. a material pushing plate; 7132. a fourth drive assembly.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses an organic wastewater treatment system. Referring to fig. 1, including acid precipitation sedimentation tank 1, chemical oxidation pond 2, coagulating sedimentation tank 3, biological contact oxidation pond 4 and RO + DTRO system 5 that connect gradually and set up, organic waste water flows to the catch basin through grid 6 after, promote to acid precipitation sedimentation tank 1 by the pump, add sulphuric acid and adjust pH to about 2-6, under acidic condition, through the sediment of stewing, the supernatant flows into chemical oxidation pond 2, add hydrogen peroxide and ferrous sulfate and handle organic waste water, get into coagulating sedimentation tank 3 and separate solid sediment and water, install sludge dewatering device 7 in coagulating sedimentation tank 3's bottom, then further handle through biological contact oxidation pond 4 and RO + DTRO system 5, make the discharged water reach emission standard.
Referring to fig. 2, the sludge dewatering device 7 includes a through hole 701 located on the side wall of the coagulation sedimentation tank 3, a blocking plate 702 penetrates through the through hole 701, the blocking plate 702 is horizontally disposed, a groove 703 engaged with the blocking plate 702 is formed on the opposite side wall of the coagulation sedimentation tank 3, the blocking plate 702 is driven by a first driving assembly 704 to move, and the first driving assembly 704 is an air cylinder in this embodiment. When the solid sediment at the bottom of the coagulation sedimentation tank 3 is more, the cylinder is started, so that one end of the blocking plate 702 is embedded in the groove 703, the blocking plate 702 isolates the coagulation sedimentation tank 3, and a dewatering cavity 705 is formed between the blocking plate 702 and the bottom of the coagulation sedimentation tank 3.
The inner side wall of the dehydration cavity 705 is provided with an extrusion component 706, the other side wall of the dehydration cavity 705 is provided with a material bearing plate 707, the extrusion component 706 slides towards the material bearing plate 707 through a second driving component 708, the second driving component 708 of the embodiment adopts a cylinder, the solid sediment in the dehydration cavity 705 moves towards the material bearing plate 707 under the pushing of the extrusion component 706, the material bearing plate 707 is provided with a plurality of water outlet holes 709 communicated with the biological contact oxidation tank 4, a first permeable membrane 710 is fixed between the material bearing plate 707 and the extrusion component 706, the bottom of the coagulation sedimentation tank 3 and below the material bearing plate 707 are provided with a discharge hole 711, and a switch valve 712 is arranged in the discharge hole 711.
After the blocking plate 702 completes the isolation of the coagulation sedimentation tank 3, the air cylinder is started, the extrusion assembly 706 faces the material bearing plate 707 under the pushing of the air cylinder, so that the solid sediment is positioned between the extrusion assembly 706 and the material bearing plate 707, and the solid sediment is dewatered, thereby avoiding the subsequent dewatering treatment.
Referring to fig. 2, the pressing assembly 706 includes a connection plate 7061, a spring 7062, and a pressing plate 7063, one side of the connection plate 7061 is fixed to the second driving assembly 708, the other side of the connection plate 7061 is fixed with a plurality of springs 7062, the other end of the spring 7062 is fixed with the pressing plate 7063, and the springs 7062 are utilized to play a role in buffering, so that the second driving mechanism can still drive the connection plate 7061 to move in opposite directions when the pressing plate 7063 presses the solid waste, thereby controlling the moisture content of the pressed solid waste.
Combine shown in fig. 3, switch valve 712 is including being located the installation cavity 7121 of coagulating sedimentation tank 3 diapire, and pivot 7122 is installed to the installation cavity 7121 internal rotation, and pivot 7122 drives the rotation through third drive assembly 7123, and third drive assembly 7123 adopts the motor of this embodiment, is fixed with partition plate 7124 that blocks discharge gate 711 on the pivot 7122, and collecting vessel 7125 with the discharge gate 711 intercommunication is installed to coagulating sedimentation tank 3 bottom. After the extrusion of the solid sediment is completed, the third driving assembly 7123 is started, the rotating shaft 7122 is rotated, the partition plate 7124 leaves the discharge hole 711, and the solid waste can be discharged into the material receiving barrel 7125 through the discharge hole 711, so that the collection of the solid waste is completed.
Then, an installation frame 7126 is fixed at the other end of the rotating shaft 7122, the installation frame 7126 is positioned at the discharge port 711, a second permeable membrane 7127 is fixed in the installation frame 7126, and the bottom of the installation frame 7126 is communicated with the biological contact oxidation tank 4. When the pressing assembly 706 moves towards the material bearing plate 707, the third driving assembly 7123 is started, and the rotating shaft 7122 is rotated, so that the mounting frame 7126 is positioned in the discharge hole 711, thereby facilitating the discharge of the water in the dehydration cavity 705 through the discharge hole 711 and accelerating the discharge of the water in the dehydration cavity 705.
Referring to fig. 2, in order to reduce the water content of the obtained solid, a material holding plate 707 is disposed in an inclined manner, a lower end of the material holding plate 707 is close to the extrusion assembly 706, and a blanking assembly 713 is installed at a higher end of the material holding plate 707.
The blanking assembly 713 includes a material pushing plate 7131 and a fourth driving assembly 7132, the material pushing plate 7131 is slidably mounted on the upper surface of the material receiving plate 707, the fourth driving assembly 7132 is configured to drive the material pushing plate 7131 to move, and in this embodiment, the fourth driving assembly 7132 is an air cylinder. And (3) dewatering the solid sediment under the action of the extrusion assembly 706, starting the fourth driving assembly 7132, pushing the material pushing plate 7131 to slide under the action of the air cylinder, and pushing the sludge between the extrusion assembly 706 and the material bearing plate 707 to the switch valve 712, so that the discharging work of the dewatered sludge is finished.
Then, the bottom wall of the coagulation sedimentation tank 3 is inclined, and the lower end thereof is close to the switch valve 712. 3 diapalls of coagulating sedimentation pond are the slope setting for solid deposition can be along the 3 diapalls of coagulating sedimentation pond flow direction, under extrusion component 706's effect, conveniently dewaters solid deposition, need not follow-up dewatering treatment to mud, reduces subsequent operating cost.
The implementation principle of an organic wastewater treatment system in the embodiment of the application is as follows: the Fenton method and the biochemical combined treatment process are utilized to treat the wastewater, the COD removal rate of the organic wastewater is improved, and the cost of wastewater treatment is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An organic wastewater treatment system is characterized by comprising an acid precipitation sedimentation tank (1), a chemical oxidation tank (2), a coagulating sedimentation tank (3), a biological contact oxidation tank (4) and an RO + DTRO system (5) which are sequentially connected; and a sludge dewatering device (7) is arranged at the bottom of the coagulating sedimentation tank (3).
2. An organic wastewater treatment system according to claim 1, wherein: the sludge dewatering device (7) comprises a through hole (701) positioned on the side wall of the coagulating sedimentation tank (3), a blocking plate (702) is arranged in the through hole (701) in a sliding manner, the blocking plate (702) is driven to displace by a first driving component (704), a dewatering cavity (705) is formed by the blocking plate (702) and the bottom wall of the coagulating sedimentation tank (3), an extrusion component (706) is arranged in the dewatering cavity (705) in a sliding manner, the extrusion component (706) is driven to displace by a second driving component (708), a material bearing plate (707) is arranged on the side wall of the dewatering cavity (705), the side surface of the extrusion component (706) is abutted against the side surface of the material bearing plate (707), a plurality of water outlet holes (709) communicated with the biological contact oxidation tank (4) are arranged on the material bearing plate (707), and a first water permeable membrane (710) is arranged between the material bearing plate (707) and the extrusion component (706), a discharge hole (711) is formed in the bottom of the coagulating sedimentation tank (3) and located below the material bearing plate (707), and a switch valve (712) is arranged in the discharge hole (711).
3. An organic wastewater treatment system according to claim 2, wherein: the extrusion assembly (706) comprises a connecting plate (7061), a spring (7062) and an extrusion plate (7063), the connecting plate (7061) is connected with the second driving assembly (708), one side, far away from the second driving assembly (708), of the connecting plate (7061) is connected with a plurality of springs (7062), and one end, far away from the connecting plate (7061), of each spring (7062) is provided with the extrusion plate (7063).
4. An organic wastewater treatment system according to claim 2, wherein: switch valve (712) is including installation cavity (7121) that is located coagulating sedimentation pond (3) diapire, set up pivot (7122) in installation cavity (7121), be provided with the drive in installation cavity (7121) pivot (7122) pivoted third drive assembly (7123), be provided with partition panel (7124) that blocks discharge gate (711) on pivot (7122), coagulating sedimentation pond (3) bottom be provided with receipts storage bucket (7125) of discharge gate (711) intercommunication.
5. An organic wastewater treatment system according to claim 4, wherein: the other end of pivot (7122) is provided with installing frame (7126), installing frame (7126) are located in discharge gate (711), be provided with second membrane (7127) of permeating water in installing frame (7126), installing frame (7126) bottom with biological contact oxidation pond (4) intercommunication.
6. An organic wastewater treatment system according to claim 2, wherein: the material bearing plate (707) is obliquely arranged, the lower end of the material bearing plate is close to the extrusion assembly (706), and the higher end of the material bearing plate (707) is provided with a blanking assembly (713).
7. An organic wastewater treatment system according to claim 7, wherein: the blanking assembly (713) comprises a material pushing plate (7131) and a fourth driving assembly (7132), the material pushing plate (7131) is arranged on the upper surface of the material bearing plate (707) in a sliding mode, and the fourth driving assembly (7132) is used for driving the material pushing plate (7131) to displace.
8. An organic wastewater treatment system according to claim 2, wherein: the bottom wall of the coagulating sedimentation tank (3) is obliquely arranged, and the lower end of the coagulating sedimentation tank is close to the switch valve (712).
CN202010701425.0A 2020-07-18 2020-07-18 Organic wastewater treatment system Active CN111875160B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1086457A (en) * 1992-09-11 1994-05-11 株式会社永冈 Sludge dewatering equipment and sludge treatment method
JP2010000476A (en) * 2008-06-23 2010-01-07 Kanto Auto Works Ltd Organic wastewater treatment method and apparatus
CN101857322A (en) * 2010-06-11 2010-10-13 清华大学 Removable trash transfer station sewage disposal device
CN102167489A (en) * 2011-01-26 2011-08-31 郑建国 Sludge treatment process
CN102583879A (en) * 2012-01-16 2012-07-18 宁波工程学院 High-concentration integrated chemical organic wastewater treatment process
CN106186551A (en) * 2016-08-25 2016-12-07 常州市锦云工业废弃物处理有限公司 A kind of multipurpose wastewater treatment equipment processing equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1086457A (en) * 1992-09-11 1994-05-11 株式会社永冈 Sludge dewatering equipment and sludge treatment method
JP2010000476A (en) * 2008-06-23 2010-01-07 Kanto Auto Works Ltd Organic wastewater treatment method and apparatus
CN101857322A (en) * 2010-06-11 2010-10-13 清华大学 Removable trash transfer station sewage disposal device
CN102167489A (en) * 2011-01-26 2011-08-31 郑建国 Sludge treatment process
CN102583879A (en) * 2012-01-16 2012-07-18 宁波工程学院 High-concentration integrated chemical organic wastewater treatment process
CN106186551A (en) * 2016-08-25 2016-12-07 常州市锦云工业废弃物处理有限公司 A kind of multipurpose wastewater treatment equipment processing equipment

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