CN104876396A - Sewage treatment system for refuse resource utilization - Google Patents
Sewage treatment system for refuse resource utilization Download PDFInfo
- Publication number
- CN104876396A CN104876396A CN201510259623.5A CN201510259623A CN104876396A CN 104876396 A CN104876396 A CN 104876396A CN 201510259623 A CN201510259623 A CN 201510259623A CN 104876396 A CN104876396 A CN 104876396A
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- sewage
- cartridge filter
- crust
- oxygen
- urceolus
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a sewage treatment system for refuse resource utilization. The sewage treatment system comprises a coarse filtering tank, an adjusting tank, a fine filtering device, a solid-liquid separation device and a wastewater aerobic biological treatment device, wherein the coarse filtering tank is connected with the adjusting tank through a pipeline; the adjusting tank is connected with the fine filtering device through a pipeline; the fine filtering device is connected with the solid-liquid separation device and the wastewater aerobic biological treatment device respectively through a pipeline; the coarse filtering tank can be used for filtering large-particle impurities and pollutants out of sewage; the adjusting tank can be used for homogenizing the sewage quality after coarse filtration and further used for adjusting the flow of sewage, so that preparation can be made for later fine filtering operation of the fine filtering device; the wastewater aerobic biological treatment device is used for decomposing organisms in sewage. The sewage treatment system is reasonable in design and sewage can be effectively purified.
Description
Technical field
The invention belongs to technical field of sewage treatment equipment, relate in particular to the Sewage treatment systems in a kind of garbage as resource.
Background technology
Sewage disposal is the water quality requirement reused for making sewage reach, to the process that it purifies.Sewage disposal is widely used in building, agricultural, and the every field such as traffic, the energy, petrochemical industry, environmental protection, urban look, medical treatment, food and drink, also come into the daily life of common people more and more.Progress and the development of modern society be unable to do without water resources, and by sewage source classification, sewage disposal is generally divided into production waste process and sanitary sewage disposal.Production waste comprises industrial sewage, rural sewage and medical sewage etc., and sanitary sewage is exactly the sewage that daily life produces, and refers to various forms of inorganics and organic complex mixture,
The source of the sewage water of current treatment center of sewage is very assorted, and water quality is various, and sewage comprises size solid particulate that is floating and that suspend, glue and gel diffusate, and the larger silt of proportion and metallic particles etc.If not in time by these particles and garbage-cleaning clean, very fast sewage disposal device can be blocked, as blocked in promoted water pump, dnockout pump, well heater, anaerobic reactor water inlet pipe etc., need parking to clear up, have a strong impact on the normal operation of production, bring about great losses to system.So wastewater influent needs to install filtration unit, the garbage-cleaning in sewage is clean, just can guarantee the normal operation that sewage disposal is produced.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the Sewage treatment systems in a kind of garbage as resource is provided.
The present invention realizes by the following technical solutions:
Sewage treatment systems in a kind of garbage as resource comprises coarse filter, equalizing tank, fine filtering device, solid-liquid separator and waste water aerobic biological treatment device, described coarse filter is connected with equalizing tank by pipeline, equalizing tank is connected with fine filtering device by pipeline, and fine filtering device is connected with waste water aerobic biological treatment device with solid-liquid separator respectively by pipeline.
Be provided with coarse rack machine in described coarse filter, coarse rack machine can the larger impurity of particle in filtering sewage and pollutent, damages the pump housing when preventing sewage from entering the pump housing;
Described equalizing tank inside is provided with agitator and aerating apparatus, can make the sewage quality homogenizing after coarse rack machine filters, regulate the flow of sewage simultaneously by equalizing tank, thus is that the essence filter work of follow-up fine filtering device is ready;
Described fine filtering device comprises urceolus, and outer barrel has been horizontally disposed with dividing plate, and dividing plate is connected with outer tube inner wall is airtight; Outer barrel is vertically provided with the identical cartridge filter of three shape and structures, and one of them cartridge filter and urceolus are coaxially arranged, and two other cartridge filter is arranged on the both sides of the cartridge filter coaxially arranged with urceolus equally spacedly; Cartridge filter is columnar structured, and its barrel is evenly provided with filter pore, and cartridge filter top is connected with urceolus top is airtight, and cartridge filter bottom is connected with dividing plate is airtight, and the junction of dividing plate and cartridge filter bottom is provided with opening; Described cartridge filter inside is coaxially arranged with turning axle, and turning axle is connected with the motor of urceolus outside, and cartridge filter inside is also provided with cleaning brush, and cleaning brush is connected with turning axle; Be provided with agitating vane bottom the cartridge filter coaxially arranged with urceolus, the bottom of agitating vane and turning axle is fixedly linked; The top of cartridge filter is provided with sewage draining exit; Be provided with sewage inlet bottom urceolus, outer tube side wall be provided with the Graceful mouth of a river;
Described solid-liquid separator comprises the second motor, axle, fixed jacket cylinder, rotates inner sleeve; Described rotation inner sleeve is columnar structured, and its left end is provided with slag notch, and the barrel of rotation inner sleeve is provided with through hole; Rotate the inside that inner sleeve is coaxially arranged on fixed jacket cylinder; It is inner that described axle is coaxially arranged on fixed jacket cylinder, and axle is fixedly installed screw blade; Rotate inner sleeve to be fixedly connected with axle by union lever, axle is connected with the second motor, and the second motor passes through axle and union lever can driven rotary inner sleeve coaxial rotating in fixed jacket cylinder; Described fixed jacket cylinder is provided with protruding outer wall, and form liquid collecting cavity between protruding outer wall and rotation inner sleeve, protruding outer wall is provided with liquid outlet, and fixed jacket cylinder is provided with opening for feed;
Described waste water aerobic biological treatment device, comprise crust of the device, aerobe throwing device, air interchanger, oxygen content detector in filtering grid and sewage, in described crust of the device, mid-way is provided with described filtering grid, described filtering grid adopts the cylindrical structural of hollow, described crust of the device top is provided with water-in, water outlet is provided with bottom described filtering grid, in described sewage, oxygen content detector is arranged on inside described crust of the device, described aerobe throwing device comprises the first throwing device and the second throwing device, described first throwing device is arranged on described crust of the device and described filtering grid connecting place, described first throwing device is used for throwing in aerobe in described crust of the device, described second throwing device is arranged on inside described filtering grid, described second throwing device is used for throwing in aerobe in described filtering grid, described air interchanger comprises oxygen pump, oxygen intake pipe road and oxygen bleed line road, described oxygen intake pipe road is arranged on side between described crust of the device and described filtering grid, the degree of depth that described crust of the device is stretched on described oxygen intake pipe road is less than or equal to the length of described crust of the device, described oxygen bleed line road is arranged on opposite side between described crust of the device and described filtering grid, described oxygen pump is connected with described oxygen intake pipe road, in described sewage, the output terminal of oxygen content detector is connected with described oxygen pump power switch, precipitation relief outlet is also provided with in described crust of the device bottom.
In technique scheme, the aperture of described filter pore is 0.1mm-2mm.
In technique scheme, the bottom of described urceolus is semisphere.
In technique scheme, the install pipeline that coarse filter is connected with equalizing tank has valve.
In technique scheme, the install pipeline that equalizing tank is connected with fine filtering device has valve.
The present invention is reasonable in design, and the coarse rack machine filter in coarse filter is except the larger impurity of the particle in sewage and pollutent; Then sewage enters equalizing tank, and equalizing tank can make the sewage quality homogenizing after coarse rack machine filters, and regulates the flow of sewage simultaneously; Then sewage enters outer barrel from the sewage inlet of fine filtering device, and three cartridge filters filter sewage, and the clear water after filtration is discharged in waste water aerobic biological treatment device from the Graceful mouth of a river; The mud filtered and impurity are discharged in solid-liquid separator by sewage draining exit, and the moisture in mud throws away by solid-liquid separator, transports mud to facilitate; Meanwhile, driven by motor turning axle rotates, and turning axle drives cleaning brush to clean cartridge filter inwall, prevents cartridge filter from blocking; Driven by motor agitating vane moves, and Impurity deposition that in sewage, proportion is larger can be prevented in bottom by the stirring of revolving vane.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of the fine filtering device in the present invention.
Fig. 3 is the structural representation of the solid-liquid separator in the present invention.
Fig. 4 is the structural representation of the waste water aerobic biological treatment device in the present invention.
Wherein, a is coarse filter, a-1 is coarse rack machine, b is equalizing tank, b-1 is agitator, b-2 is aerating apparatus, c is fine filtering device, d is solid-liquid separator, e is waste water aerobic biological treatment device, 1 is motor, 2 is cleaning brush, 3 is cartridge filter, 4 is urceolus, 5 is turning axle, 6 is agitating vane, 7 is sewage inlet, 8 is the Graceful mouth of a river, 9 is sewage draining exit, 10 is dividing plate, 11 is opening, d-1 is the second motor, d-2 is axle, d-3 is fixed jacket cylinder, d-4 is for rotating inner sleeve, d-5 is opening for feed, d-6 is screw blade, d-7 is union lever, d-8 is protruding outer wall, d-9 is slag notch, d-10 is liquid collecting cavity, d-11 is through hole, d-12 is liquid outlet, e-1 is crust of the device, e-2 is filtering grid, e-3 is oxygen content detector in sewage, e-4 is water-in, e-5 is water outlet, e-6 is the first throwing device, e-7 is the second throwing device, e-8 is oxygen intake pipe road, e-9 is oxygen bleed line road.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
As shown in Figure 1, the Sewage treatment systems in a kind of garbage as resource of the present invention comprises coarse filter a, equalizing tank b, fine filtering device c, solid-liquid separator d and waste water aerobic biological treatment device e; Described coarse filter a is connected with equalizing tank b by pipeline, and equalizing tank b is connected with fine filtering device c by pipeline, and fine filtering device c is connected with waste water aerobic biological treatment device e with solid-liquid separator d respectively by pipeline.
Be provided with coarse rack machine a-1 in described coarse filter a, coarse rack machine a-1 can the larger impurity of particle in filtering sewage and pollutent, damages the pump housing when preventing sewage from entering the pump housing.
Described equalizing tank b inside is provided with agitator b-1 and aerating apparatus b-2, can make the sewage quality homogenizing after coarse rack machine a filters, regulate the flow of sewage simultaneously by equalizing tank, thus is that the essence filter work of follow-up fine filtering device c is ready.
As shown in Figure 2, described fine filtering device c comprises urceolus 4, and outer barrel has been horizontally disposed with dividing plate 10, and dividing plate is connected with outer tube inner wall is airtight;
Outer barrel is vertically provided with the identical cartridge filter 3 of three shape and structures, and one of them cartridge filter and urceolus are coaxially arranged, and two other cartridge filter is arranged on the both sides of the cartridge filter coaxially arranged with urceolus equally spacedly; Cartridge filter is columnar structured, and its barrel is evenly provided with filter pore, and cartridge filter top is connected with urceolus top is airtight, and cartridge filter bottom is connected with dividing plate is airtight, and the junction of dividing plate and cartridge filter bottom is provided with opening 11; Described cartridge filter inside is coaxially arranged with turning axle 5, and turning axle is connected with the motor 1 of urceolus outside, and cartridge filter inside is also provided with cleaning brush 2, and cleaning brush is connected with turning axle; Be provided with agitating vane 6 bottom the cartridge filter coaxially arranged with urceolus, the bottom of agitating vane and turning axle is fixedly linked;
The top of cartridge filter is provided with sewage draining exit 9;
Be provided with sewage inlet 7 bottom urceolus, outer tube side wall be provided with the Graceful mouth of a river 8.
The aperture of described filter pore is 0.1mm-2mm.
The bottom of described urceolus is semisphere.
The install pipeline be connected with equalizing tank b at coarse filter a has valve.
The install pipeline be connected with fine filtering device c at equalizing tank b has valve.
As shown in Figure 3, described solid-liquid separator d comprises the second motor, axle, fixed jacket cylinder, rotates inner sleeve,
It is columnar structured for rotating inner sleeve d-4, and its left end is provided with slag notch d-9, and the barrel of rotation inner sleeve d-4 is provided with through hole d-11; Rotate the inside that inner sleeve d-4 is coaxially arranged on fixed jacket cylinder d-3;
It is inner that axle d-2 is coaxially arranged on fixed jacket cylinder d-3, axle d-2 is fixedly installed screw blade d-6; Rotate inner sleeve d-4 to be fixedly connected with axle d-2 by union lever d-7, axle d-2 is connected with the second motor d-1, and the second motor passes through axle and union lever can driven rotary inner sleeve coaxial rotating in fixed jacket cylinder;
Fixed jacket cylinder d-3 is provided with protruding outer wall d-8, and form liquid collecting cavity d-10 between protruding outer wall d-8 and rotation inner sleeve d-4, protruding outer wall d-8 is provided with liquid outlet d-12, and fixed jacket cylinder d-3 is provided with opening for feed d-5.
Second motor belt motor moving axis of described solid-liquid separator rotates, and makes the mixture of mud and water inner from opening for feed access to plant by the effect of screw blade fixing on axle.Meanwhile, axle driven rotary inner sleeve coaxial rotating in fixed jacket cylinder, utilizes the centrifugal force rotating and produce, and makes water enter liquid collecting cavity through the through hole rotating inner sleeve, then discharges from liquid outlet; Mud is then discharged from slag notch.
As shown in Figure 4, described waste water aerobic biological treatment device, comprise crust of the device, aerobe throwing device, air interchanger, oxygen content detector in filtering grid and sewage, in described crust of the device e-1, mid-way is provided with described filtering grid e-2, described filtering grid adopts the cylindrical structural of hollow, described crust of the device top is provided with water-in e-4, water outlet e-5 is provided with bottom described filtering grid, in described sewage, oxygen content detector e-3 is arranged on inside described crust of the device, described aerobe throwing device comprises the first throwing device e-6 and the second throwing device e-7, described first throwing device is arranged on described crust of the device and described filtering grid connecting place, described first throwing device is used for throwing in aerobe in described crust of the device, described second throwing device is arranged on inside described filtering grid, described second throwing device is used for throwing in aerobe in described filtering grid, described air interchanger comprises oxygen pump, oxygen intake pipe road e-8 and oxygen bleed line road e-9, described oxygen intake pipe road is arranged on side between described crust of the device and described filtering grid, the degree of depth that described crust of the device is stretched on described oxygen intake pipe road is less than or equal to the length of described crust of the device, described oxygen bleed line road is arranged on opposite side between described crust of the device and described filtering grid, described oxygen pump is connected with described oxygen intake pipe road, in described sewage, the output terminal of oxygen content detector is connected with described oxygen pump power switch, precipitation relief outlet is also provided with in described crust of the device bottom,
Described waste water aerobic biological treatment device between crust of the device and filtering grid and filtering grid inside be provided with throwing device, uniformly pending sewage is carried out to the good oxygen metabolism of aerobe, makes the organism in sewage be broken down into inorganics; The sedimentable matter produced in decomposition course, can be filtered grid interception in crust of the device, the treated waste water emitted the water outlet arranged bottom filtering grid wherein sedimentary content reduces greatly, improves the efficiency of follow-up sewage disposal; The setting of oxygen content detector in sewage, the oxygen level of sewage in real-time monitoring device, when oxygen level in sewage is not enough to provide aerobe to carry out oxygen metabolism, in sewage, the output terminal of oxygen content detector controls the power switch unlatching of oxygen pump, to input oxygen in device, achieve the Automated condtrol of sewage disposal.
The present invention in use, the impurity that the particle in the coarse rack machine a-1 filtering sewage in a of coarse filter is larger and pollutent; Then sewage enters equalizing tank, and equalizing tank can make the sewage quality homogenizing after coarse rack machine a filters, and regulates the flow of sewage simultaneously, thus is that the essence filter work of follow-up fine filtering device c is ready; Then sewage enters outer barrel from the sewage inlet of fine filtering device c, and three cartridge filters filter sewage, and the clear water after filtration is discharged in waste water aerobic biological treatment device from the Graceful mouth of a river; The mud filtered and impurity are discharged in solid-liquid separator d by sewage draining exit, and the moisture in mud throws away by solid-liquid separator, conveniently transport mud.Meanwhile, driven by motor turning axle rotates, and turning axle drives cleaning brush to clean cartridge filter inwall, prevents cartridge filter from blocking; Driven by motor agitating vane moves, and Impurity deposition that in sewage, proportion is larger can be prevented in bottom by the stirring of revolving vane.
Above to invention has been exemplary description; should be noted that; when not departing from core of the present invention, any simple distortion, amendment or other those skilled in the art can not spend the equivalent replacement of creative work all to fall into protection scope of the present invention.
Claims (5)
1. the Sewage treatment systems in a garbage as resource, it is characterized in that: comprise coarse filter, equalizing tank, fine filtering device, solid-liquid separator and waste water aerobic biological treatment device, described coarse filter is connected with equalizing tank by pipeline, equalizing tank is connected with fine filtering device by pipeline, and fine filtering device is connected with waste water aerobic biological treatment device with solid-liquid separator respectively by pipeline;
Coarse rack machine is provided with in described coarse filter;
Described equalizing tank inside is provided with agitator and aerating apparatus;
Described fine filtering device comprises urceolus, and outer barrel has been horizontally disposed with dividing plate, and dividing plate is connected with outer tube inner wall is airtight; Outer barrel is vertically provided with the identical cartridge filter of three shape and structures, and one of them cartridge filter and urceolus are coaxially arranged; Cartridge filter is columnar structured, and its barrel is evenly provided with filter pore, and cartridge filter top is connected with urceolus top is airtight, and cartridge filter bottom is connected with dividing plate is airtight, and the junction of dividing plate and cartridge filter bottom is provided with opening; Described cartridge filter inside is coaxially arranged with turning axle, and turning axle is connected with the motor of urceolus outside, and cartridge filter inside is also provided with cleaning brush, and cleaning brush is connected with turning axle; Be provided with agitating vane bottom the cartridge filter coaxially arranged with urceolus, the bottom of agitating vane and turning axle is fixedly linked; The top of cartridge filter is provided with sewage draining exit; Be provided with sewage inlet bottom urceolus, outer tube side wall be provided with the Graceful mouth of a river;
Described solid-liquid separator comprises the second motor, axle, fixed jacket cylinder, rotates inner sleeve; Described rotation inner sleeve is columnar structured, and its left end is provided with slag notch, and the barrel of rotation inner sleeve is provided with through hole; Rotate the inside that inner sleeve is coaxially arranged on fixed jacket cylinder; It is inner that described axle is coaxially arranged on fixed jacket cylinder, and axle is fixedly installed screw blade; Rotate inner sleeve to be fixedly connected with axle by union lever, axle is connected with the second motor; Described fixed jacket cylinder is provided with protruding outer wall, and form liquid collecting cavity between protruding outer wall and rotation inner sleeve, protruding outer wall is provided with liquid outlet, and fixed jacket cylinder is provided with opening for feed;
Described waste water aerobic biological treatment device, comprise crust of the device, aerobe throwing device, air interchanger, oxygen content detector in filtering grid and sewage, in described crust of the device, mid-way is provided with described filtering grid, described filtering grid adopts the cylindrical structural of hollow, described crust of the device top is provided with water-in, water outlet is provided with bottom described filtering grid, in described sewage, oxygen content detector is arranged on inside described crust of the device, described aerobe throwing device comprises the first throwing device and the second throwing device, described first throwing device is arranged on described crust of the device and described filtering grid connecting place, described second throwing device is arranged on inside described filtering grid, described air interchanger comprises oxygen pump, oxygen intake pipe road and oxygen bleed line road, described oxygen intake pipe road is arranged on side between described crust of the device and described filtering grid, the degree of depth that described crust of the device is stretched on described oxygen intake pipe road is less than or equal to the length of described crust of the device, described oxygen bleed line road is arranged on opposite side between described crust of the device and described filtering grid, described oxygen pump is connected with described oxygen intake pipe road, in described sewage, the output terminal of oxygen content detector is connected with described oxygen pump power switch, precipitation relief outlet is also provided with in described crust of the device bottom.
2. the Sewage treatment systems in a kind of garbage as resource according to claim 1, is characterized in that: the aperture of the filter pore of described fine filtering device is 0.1mm-2mm.
3. the Sewage treatment systems in a kind of garbage as resource according to claim 1, is characterized in that: the bottom of the urceolus of described fine filtering device is semisphere.
4. the Sewage treatment systems in a kind of garbage as resource according to claim 1, is characterized in that: the install pipeline that coarse filter is connected with equalizing tank has valve.
5. the Sewage treatment systems in a kind of garbage as resource according to claim 1, is characterized in that: the install pipeline that equalizing tank is connected with fine filtering device has valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610409687.3A CN105967444A (en) | 2015-05-20 | 2015-05-20 | Operation method of sewage treatment system in rubbish recycling |
| CN201510259623.5A CN104876396A (en) | 2015-05-20 | 2015-05-20 | Sewage treatment system for refuse resource utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510259623.5A CN104876396A (en) | 2015-05-20 | 2015-05-20 | Sewage treatment system for refuse resource utilization |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610409687.3A Division CN105967444A (en) | 2015-05-20 | 2015-05-20 | Operation method of sewage treatment system in rubbish recycling |
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| Publication Number | Publication Date |
|---|---|
| CN104876396A true CN104876396A (en) | 2015-09-02 |
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ID=53944123
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510259623.5A Pending CN104876396A (en) | 2015-05-20 | 2015-05-20 | Sewage treatment system for refuse resource utilization |
| CN201610409687.3A Pending CN105967444A (en) | 2015-05-20 | 2015-05-20 | Operation method of sewage treatment system in rubbish recycling |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610409687.3A Pending CN105967444A (en) | 2015-05-20 | 2015-05-20 | Operation method of sewage treatment system in rubbish recycling |
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| CN (2) | CN104876396A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106800342A (en) * | 2015-11-25 | 2017-06-06 | 湖南恒光化工有限公司 | A kind of sewage-treatment plant |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321703A (en) * | 2022-07-20 | 2022-11-11 | 安徽华梦环保工程技术有限公司 | Water circulation sewage treatment device |
-
2015
- 2015-05-20 CN CN201510259623.5A patent/CN104876396A/en active Pending
- 2015-05-20 CN CN201610409687.3A patent/CN105967444A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106800342A (en) * | 2015-11-25 | 2017-06-06 | 湖南恒光化工有限公司 | A kind of sewage-treatment plant |
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| Publication number | Publication date |
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| CN105967444A (en) | 2016-09-28 |
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