CN204779229U - Sewage treatment system with high -efficient filtering capability - Google Patents
Sewage treatment system with high -efficient filtering capability Download PDFInfo
- Publication number
- CN204779229U CN204779229U CN201520328798.2U CN201520328798U CN204779229U CN 204779229 U CN204779229 U CN 204779229U CN 201520328798 U CN201520328798 U CN 201520328798U CN 204779229 U CN204779229 U CN 204779229U
- Authority
- CN
- China
- Prior art keywords
- sewage
- filtering
- cartridge filter
- crust
- filter
- 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.)
- Expired - Fee Related
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 88
- 238000001914 filtration Methods 0.000 title claims abstract description 85
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 48
- 239000001301 oxygen Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000002351 wastewater Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000011148 porous material Substances 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000001556 precipitation Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 13
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 238000000265 homogenisation Methods 0.000 abstract 1
- 239000005416 organic matter Substances 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008557 oxygen metabolism Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a sewage treatment system with high -efficient filtering capability, it includes the good oxygen biological processing device of coarse filter, equalizing basin, fine filtration device, solid -liquid separation equipment and waste water, the coarse filter passes through the pipeline and links to each other with the equalizing basin, and the equalizing basin passes through the pipeline and links to each other with fine filtration device, and fine filtration device passes through the pipeline and links to each other with solid -liquid separation ware and the good oxygen biological processing device of waste water respectively. Granule great impurity and the pollutant of coarse filter in can filtering sewage, the equalizing basin can make the water quality sewage homogenization after the colating, adjusts the flow of sewage simultaneously to the essence work of straining for succeeding fine filtration device is ready, the good oxygen biological processing device of waste water decomposes the organic matter in the sewage, the utility model relates to a rationally, can effectively carry out purification treatment to sewage.
Description
Technical field
The utility model belongs to technical field of sewage treatment equipment, relates in particular to a kind of Sewage treatment systems with efficient-filtering function.
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 purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of Sewage treatment systems with efficient-filtering function.
The utility model realizes by the following technical solutions:
A kind of Sewage treatment systems with efficient-filtering function 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; 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 and reverse supercharging water-in;
The effect of described solid-liquid separator is that the mixture of the mud filtered out in fine filtering device and impurity and water is carried out solid-liquid separation further, discharges moisture, makes mud and impurity drying kinetics, be convenient to transport it;
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 described Graceful mouth of a river and reverse supercharging water inlet are provided with valve (not marking in figure).
In technique scheme, the install pipeline be connected with equalizing tank in coarse filter has valve.
In technique scheme, the install pipeline be connected with fine filtering device at equalizing tank has valve.
The utility model 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 is discharged by solid-liquid separator, conveniently transport mud, simultaneously, 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.After long-time use, dirt can block the filter pore of cartridge filter, filtration efficiency is caused to decline, now close the valve of clear water water outlet and open the valve of reverse supercharging water inlet, by reverse supercharging water-in to the inner water flowing supercharging of filtration unit, make water enter cartridge filter inside from the outer counter of cartridge filter to through filter pore, thus oppositely discharge the dirt be blocked in filter pore.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the fine filtering device in the utility model.
Fig. 3 is the structural representation of the waste water aerobic biological treatment device in the utility model.
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, 12 is reverse supercharging water-in, 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
The technical solution of the utility model is further illustrated below in conjunction with specific embodiment.
As shown in Figure 1, a kind of Sewage treatment systems with efficient-filtering function described in the utility model 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; 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 and reverse supercharging water-in 12;
The effect of described solid-liquid separator d is that the mixture of the mud filtered out in fine filtering device c and impurity and water is carried out solid-liquid separation further, discharges moisture, makes mud and impurity drying kinetics, be convenient to transport it;
As shown in Figure 3, 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 aperture of described filter pore is 0.1mm-2mm.
The bottom of described urceolus is semisphere.
The described Graceful mouth of a river 8 and reverse supercharging water-in 12 place are provided with valve (not marking in figure).
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.
During 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 is discharged 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.After long-time use, dirt can block the filter pore of cartridge filter, filtration efficiency is caused to decline, now close the valve at the Graceful mouth of a river 8 place and open the valve at reverse supercharging water-in 12 place, by reverse supercharging water-in 12 to the inner water flowing supercharging of filtration unit, make water enter cartridge filter inside from the outer counter of cartridge filter to through filter pore, thus oppositely discharge the dirt be blocked in filter pore.
Above exemplary description is done to the utility model; should be noted that; when not departing from core of the present utility model, 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 domain of the present utility model.
Claims (6)
1. there is the Sewage treatment systems of efficient-filtering function, 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 and reverse supercharging water-in;
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 with efficient-filtering function 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 with efficient-filtering function 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 with efficient-filtering function according to claim 1, is characterized in that: the Graceful mouth of a river and the reverse supercharging water inlet of described fine filtering device are provided with valve.
5. the Sewage treatment systems with efficient-filtering function according to claim 1, is characterized in that: the install pipeline be connected with equalizing tank in coarse filter has valve.
6. the Sewage treatment systems with efficient-filtering function according to claim 1, is characterized in that: the install pipeline be connected with fine filtering device at equalizing tank has valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520328798.2U CN204779229U (en) | 2015-05-20 | 2015-05-20 | Sewage treatment system with high -efficient filtering capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520328798.2U CN204779229U (en) | 2015-05-20 | 2015-05-20 | Sewage treatment system with high -efficient filtering capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204779229U true CN204779229U (en) | 2015-11-18 |
Family
ID=54519321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520328798.2U Expired - Fee Related CN204779229U (en) | 2015-05-20 | 2015-05-20 | Sewage treatment system with high -efficient filtering capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204779229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640853A (en) * | 2017-09-12 | 2018-01-30 | 孙斌 | A kind of domestic kitchen sewer sewage-treatment plant |
-
2015
- 2015-05-20 CN CN201520328798.2U patent/CN204779229U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640853A (en) * | 2017-09-12 | 2018-01-30 | 孙斌 | A kind of domestic kitchen sewer sewage-treatment plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107235544B (en) | A treatment system for recycling waste and old polymer materials and cleaning wastewater | |
| CN204767692U (en) | Sieve filter soon among sewage treatment | |
| CN104261603B (en) | The integrated drinking water advanced treatment device of a kind of electric coagulation-electro-flotation/immersion ultrafiltration | |
| CN204779226U (en) | High -efficient rubbish resourceful treatment sewage purification system | |
| CN204767717U (en) | Brush contaminated water filtration apparatus of spiral | |
| CN104860430A (en) | Efficient sewage filtering device | |
| CN204779229U (en) | Sewage treatment system with high -efficient filtering capability | |
| CN210150850U (en) | Sewage circulation treatment device | |
| CN211445407U (en) | Purify ecological dam device in black and odorous river course | |
| CN201534028U (en) | Circular terrace-type wastewater sedimentation and filtration treatment device | |
| CN204779098U (en) | High -efficient sewage pretreatment device | |
| CN204779221U (en) | High -efficient rubbish resourceful treatment sewage purification system | |
| CN104876396A (en) | Sewage treatment system for refuse resource utilization | |
| CN204779097U (en) | High -efficient contaminated water filtration apparatus | |
| CN204767710U (en) | Prevent blocking formula sewage and filter grid device | |
| CN204779094U (en) | Sewage sludge processing apparatus | |
| CN205115166U (en) | A clarification plant for sewage treatment | |
| CN204779230U (en) | Sewage treatment system in rubbish resourceization | |
| CN204779145U (en) | That is applied to sewage treatment sieves filter equipment soon | |
| CN204767792U (en) | Sewage sieves filter equipment soon | |
| CN210683464U (en) | Multistage filtering and separating device for fishpond water body | |
| CN204779095U (en) | Sewage treatment filter equipment | |
| CN107739112B (en) | The vertical sleeping integral type sewage processing system of one kind | |
| CN104860442A (en) | Rotary sieve filtering device applied to sewage treatment | |
| CN204779096U (en) | Sewage filtering equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20160606 Granted publication date: 20151118 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20181206 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |