CN103866823A - Small household wastewater recycling device and household wastewater recycling method - Google Patents
Small household wastewater recycling device and household wastewater recycling method Download PDFInfo
- Publication number
- CN103866823A CN103866823A CN201410050826.9A CN201410050826A CN103866823A CN 103866823 A CN103866823 A CN 103866823A CN 201410050826 A CN201410050826 A CN 201410050826A CN 103866823 A CN103866823 A CN 103866823A
- Authority
- CN
- China
- Prior art keywords
- water
- liquid level
- storage box
- water storage
- level relay
- 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.)
- Pending
Links
Images
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a small household wastewater recycling device which comprises a treatment box, a water storage tank and a lifting water pump, wherein the treatment box comprises a water inlet pipe, a quartz sand filter layer, an oil removal interlayer, an activated carbon interlayer and a water collection tank; the water inlet pipe, the quartz sand filter layer, the oil removal interlayer, the activated carbon interlayer and the water collection tank are sequentially arranged in the treatment box according to a water flow direction; the water inlet pipe is arranged at the top at one end of the treatment box; the lifting water pump is in pipeline communication with a water outlet of the water collection tank and a water inlet of the water storage tank; the water storage tank comprises an ultraviolet disinfection lamp and a drainage pipe; the ultraviolet disinfection lamp is arranged at the top inside the water storage tank; the drainage pipe is arranged at the bottom of the water storage tank. According to the device, the wastewater is recycled through activated carbon adsorption, oil removal and ultraviolet disinfection, and the recovered reclaimed water is used for toilet flushing, automatic fire sprinkling storage water and other purposes, so that water resources and cost of household water are saved.
Description
Technical field
The invention belongs to the recycle device of waste water, in particular to a kind of small-sized domestic waste water recycle device and domestic waste water recoverying and utilizing method.
Background technology
Two kinds of technology conventional in sewerage treatment are activated carbon filtration and disinfection by ultraviolet light.Wherein, active carbon has very flourishing microcellular structure and huge specific area, there is extremely strong physical absorption ability, can effectively remove various organic pollutions, stink, colourity, microorganism and virus etc. in water, but active carbon is limited in one's ability to the removal of heavy metal and larger molecular organics.Ultraviolet Disinfection is on the basis based on anti-epidemiology of modern times, medical science and photodynamics, utilize high efficiency, high strength and long-life UVC wave band UV-irradiation current of particular design, various bacteriums, virus, parasite, algae and other pathogen in water are directly killed, reach the object of sterilization.At present, domestic sewage recycle device mostly is single treatment process, and treatment effect is not ideal enough; Or the combination of several treatment process, but there is the problem that processing cost is higher.
Summary of the invention
For solving deficiency and the higher problem of processing cost to sanitary sewage recycling in prior art, the invention provides a kind of for domestic waste water, the device that carries out waste water recycling by charcoal absorption, oil removing and ultraviolet disinfection technique.
For achieving the above object, the invention provides a kind of small home waste water recycle device, comprise treatment box, water storage box and lifting water pump, described treatment box comprises water inlet pipe, quartz sand filtration layer, oil removing interlayer, active carbon interlayer and header tank, described water inlet pipe, quartz sand filtration layer, oil removing interlayer, active carbon interlayer and header tank are arranged in treatment box in turn according to water (flow) direction, and described water inlet pipe is located at the top for the treatment of box one end; Described lifting water pump respectively with the delivery port of header tank and the water inlet pipeline communication of water storage box; Described water storage box comprises ultraviolet disinfection lamp and gutter, and described ultraviolet disinfection lamp is arranged on the inner tip of water storage box, and described gutter is located at the bottom of water storage box.
Preferably, described oil removing interlayer adopts high-efficiency multi-function organic adsorbent as oil removing material.
Preferably, described active carbon interlayer adopts the active fruit shell carbon of 400 μ m left and right.
Preferably, in the active carbon in described active carbon interlayer, quartz sand filtration layer quartz sand and oil removing interlayer in oil removing member be detachable type.
Preferably, described treatment box also comprises treatment box overfall gap, slag-drip opening, oil drain out and drain, described treatment box overfall gap is located at the bottom of water inlet pipe, described slag-drip opening is located at the bottom of the treatment box for the treatment of box overfall gap below, described oil drain out is located at the bottom of the treatment box between quartz sand filtration layer and oil removing interlayer, and described drain is located at the bottom of header tank.
Preferably, described water storage box also comprises water storage box overfall gap, and described water storage box overfall gap is located at the bottom of the water inlet of described water storage box.
Preferably, described small home waste water recycle device also comprises tank level control system, and described tank level control system comprises the liquid level relay A that is located at header tank bottom; Be located at the liquid level relay B lower than overfall gap horizontal level in header tank; Be located at the liquid level relay C higher than overfall gap horizontal level in header tank, described liquid level relay C is connected with warning device; Be located at the liquid level relay D of the medium position of water storage box; Be located in water storage box and with the fair liquid level relay E of water storage box overfall gap; Described liquid level relay A, B, D and E is connected with lifting water pump respectively.
Preferably, described water storage box is connected with spraying system of fire fighting, and the gutter of described water storage box connects respectively water-saving toilet and pot sink.
The present invention also provides a kind of domestic waste water recoverying and utilizing method that utilizes above-mentioned small home waste water recycle device to carry out, and it is characterized in that, comprises the following steps:
1) first, domestic waste water enters treatment box by water inlet pipe, and through quartz sand filtration, large particulate matter is removed in metafiltration; Then pass through oil removing interlayer, carry out oil removing process except degreasing; Then pass through active carbon interlayer, carry out activated carbon process and carry out advanced treating, remove the Some Organic Pollutants in waste water; Finally, the water outlet after processing through active carbon interlayer reaches middle water quality standard, and is stored in header tank;
2) the middle water in header tank is by promoting water pump lifting to water storage box, and middle water is stored in water storage box after processing through ultraviolet disinfection lamp in water storage box;
3) water in water storage box is used for flushing the toilet, fire-fighting automatic spray or put into lavatory basin.
Preferably, described small home waste water recycle device also comprises above-mentioned tank level control system, also comprises following control procedure: in the time that the water level in header tank arrives liquid level relay B place, and liquid level relay
B controls lifting water pump and starts to draw water; In the time that the water level in header tank is down to liquid level relay A place, liquid level relay A controls water pump and stops pumping; When promoting water pump, drawing water, header tank overfall gap stops up while not causing liquid level to rise to liquid level relay C place, and liquid level relay C can connect warning device and give the alarm; In the time that the water level in water storage box drops to liquid level relay D place, liquid level relay D controls lifting water pump and draws water from header tank, and the priority level of liquid level relay D is higher than liquid level relay B; In the time that the water level in water storage box rises to liquid level relay E place, liquid level relay E controls lifting water pump and stops drawing water from header tank, and the priority level of liquid level relay E is higher than liquid level relay A.
Beneficial effect of the present invention:
1) automatically control easy to use: native system only need switch on power, and can under the control of water level controller and relay, automatically complete each function.Can Artificial Control motor starting or stop if control section also breaks down.
2) be provided with multi-filtering: in header tank (treatment box), be provided with multi-filtering layer, Part I be quartz sand filtration layer for removing large particulate matter, the second layer is high-efficiency multi-function organic adsorbent layer, the 3rd layer is activated carbon adsorption layer.Three layer filtration layer can effectively be removed various impurity, comprises grease, color or even smell etc.
3) treated water has multiple use: can be used for toilet flushing, scrub mop, mop, water flowers and for spraying system of fire fighting etc.
4) filtration beds can periodic cleaning or replacing: the quartz sand filter media, the active carbon that filter use can Reusability, periodic cleaning or replacings.
Brief description of the drawings
Fig. 1 is small home waste water recycle device general front view
Fig. 2 is treatment box top view in small home waste water recycle device
Fig. 3 is treatment box left view in small home waste water recycle device
Fig. 4 is water storage box top view in small home waste water recycle device
Fig. 5 is water storage box left view in small home waste water recycle device
In figure, 1. water inlet pipe, 2. quartz sand filtration layer, 3. oil removing interlayer, 4. active carbon interlayer, 5. promotes water pump, 6. outlet pipe, 7. ultraviolet disinfecting, 8. gutter, 9. spraying system of fire fighting flow pipe, 10. water-saving toilet flow pipe, 11. pot sink flow pipes, a treatment box overfall gap, b slag-drip opening, c oil drain out, d drain, e water storage box overfall gap, f drain, A is liquid level relay A, B is liquid level relay B, C is liquid level relay C, and D is liquid level relay D, and E is liquid level relay E.
Detailed description of the invention
For making object and the technical scheme of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing of the embodiment of the present invention, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiment.Based on described embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite without creative work, belongs to the scope of protection of the invention.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have with the present invention under the identical meaning of the general understanding of those of ordinary skill in field.Should also be understood that such as those terms that define in general dictionary and should be understood to have the meaning consistent with meaning in the context of prior art, unless and definition as here, can not explain by idealized or too formal implication.
The implication of " connection " described in the present invention can be that the direct connection between parts can be also by the indirect connection of other parts between parts.
As shown in Figure 1, small home waste water recycle device of the present invention, comprise treatment box, water storage box and lifting water pump 5, treatment box comprises water inlet pipe 1, quartz sand filtration layer 2, oil removing interlayer 3, active carbon interlayer 4 and header tank, water inlet pipe 1, quartz sand filtration layer 2, oil removing interlayer 3, active carbon interlayer 4 and header tank are arranged in treatment box in turn according to water (flow) direction, and water inlet pipe 1 is located at the top for the treatment of box one end; Promote water pump 5 respectively with the delivery port of header tank and the water inlet pipeline communication of water storage box; Water storage box comprises ultraviolet disinfection lamp 7 and gutter 8, and ultraviolet disinfection lamp 7 is arranged on the inner tip of water storage box, and described gutter 8 is located at the bottom of water storage box.
Oil removing interlayer 3 adopts high-efficiency multi-function organic adsorbent as oil removing material.Active carbon interlayer adopts the active fruit shell carbon of 400 μ m left and right.Quartz sand in active carbon, quartz sand filtration layer 2 in active carbon interlayer 4 and the oil removing member in oil removing interlayer 3 are detachable type.
As shown in Figure 1, Figure 2 and Figure 3, treatment box also comprises treatment box overfall gap a, slag-drip opening b, oil drain out c and drain d, treatment box overfall gap a is located at the bottom of water inlet pipe 1, slag-drip opening b is located at the bottom of the treatment box for the treatment of box overfall gap a below, oil drain out b is located at the bottom of the treatment box between quartz sand filtration layer 2 and oil removing interlayer 3, and drain d is located at the bottom of header tank.
As shown in Figure 1, small home waste water recycle device also comprises tank level control system, and tank level control system comprises the liquid level relay A that is located at header tank bottom; Be located at the liquid level relay B lower than overfall gap horizontal level in header tank; Be located at the liquid level relay C higher than overfall gap horizontal level in header tank, liquid level relay C is connected with warning device; Be located at the liquid level relay D of the medium position of water storage box; Be located in water storage box and with the fair liquid level relay E of water storage box overfall gap; Liquid level relay A, B, D and E are connected with lifting water pump respectively.
As shown in Figure 4 and Figure 5, water storage box also comprises water storage box overfall gap e, and water storage box overfall gap e is located at the bottom of the water inlet of water storage box.The gutter 8 that water storage box is connected with spraying system of fire fighting water storage box connects respectively water-saving toilet and pot sink.
The present invention also provides domestic waste water recoverying and utilizing method, comprises the following steps:
1) first, domestic waste water enters treatment box by water inlet pipe 1, through quartz sand filtration layer 2 elimination large particulate matter; Then carry out oil removing process except degreasing through oil removing interlayer 3; Then pass through active carbon interlayer 4, carry out activated carbon process and carry out advanced treating, remove the Some Organic Pollutants in waste water; Finally, the water outlet after processing through active carbon interlayer 4 reaches middle water quality standard, and is stored in header tank;
2) the middle water in header tank is promoted in water storage box by promoting water pump 5, and middle water is stored in water storage box after processing through ultraviolet disinfection lamp 7 in water storage box;
3) water in water storage box is used for flushing the toilet, fire-fighting automatic spray or put into lavatory basin.
Also comprise following control procedure: in the time that the water level in header tank arrives liquid level relay B place, liquid level continues
Electrical equipment B controls lifting water pump and starts to draw water; In the time that the water level in header tank is down to liquid level relay A place, liquid level relay A controls water pump and stops pumping; When promoting water pump, drawing water, header tank overfall gap stops up while not causing liquid level to rise to liquid level relay C place, and liquid level relay C can connect warning device and give the alarm; In the time that the water level in water storage box drops to liquid level relay D place, liquid level relay D controls lifting water pump and draws water from header tank, and the priority level of liquid level relay D is higher than liquid level relay B; In the time that the water level in water storage box rises to liquid level relay E place, liquid level relay E controls lifting water pump and stops drawing water from header tank, and the priority level of liquid level relay E is higher than liquid level relay A.
After device operation certain hour, need to carry out deslagging oil extraction to treatment box.The cycle of deslagging oil extraction is decided to be 2 weeks, while needing deslagging oil extraction, first stop the water inlet for the treatment of box and pass through drain d by the water emptying in treatment box, the impurity that treatment box Part I produces can be discharged by slag-drip opening b cleaning, and the grease of Part II generation can be discharged by oil drain out c cleaning.Quartz sand filter media and active carbon all can clean or change.In the time that the water level in header tank exceedes 50mm, water just can be overflowed and be discharged by overfall gap a.
These are only embodiments of the present invention, it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. a small home waste water recycle device, comprise treatment box, water storage box and lifting water pump, it is characterized in that, described treatment box comprises water inlet pipe, quartz sand filtration layer, oil removing interlayer, active carbon interlayer and header tank, described water inlet pipe, quartz sand filtration layer, oil removing interlayer, active carbon interlayer and header tank are arranged in treatment box in turn according to water (flow) direction, and described water inlet pipe is located at the top for the treatment of box one end; Described lifting water pump respectively with the delivery port of header tank and the water inlet pipeline communication of water storage box; Described water storage box comprises ultraviolet disinfection lamp and gutter, and described ultraviolet disinfection lamp is arranged on the inner tip of water storage box, and described gutter is located at the bottom of water storage box.
2. according to a kind of small home waste water recycle device described in claim 1, it is characterized in that, described oil removing interlayer adopts high-efficiency multi-function organic adsorbent as oil removing material.
3. according to a kind of small home waste water recycle device described in claim 1, it is characterized in that, described active carbon interlayer adopts the active fruit shell carbon of 400 μ m left and right.
4. according to a kind of small home waste water recycle device described in claim 1, it is characterized in that, in active carbon in described active carbon interlayer, quartz sand filtration layer quartz sand and oil removing interlayer in oil removing member be detachable type.
5. according to a kind of small home waste water recycle device described in any one in claim 1-4, it is characterized in that, described treatment box also comprises treatment box overfall gap, slag-drip opening, oil drain out and drain, described treatment box overfall gap is located at the bottom of water inlet pipe, described slag-drip opening is located at the bottom of the treatment box for the treatment of box overfall gap below, described oil drain out is located at the bottom of the treatment box between quartz sand filtration layer and oil removing interlayer, and described drain is located at the bottom of header tank.
6. according to a kind of small home waste water recycle device described in claim 5, it is characterized in that, described water storage box also comprises water storage box overfall gap, and described water storage box overfall gap is located at the bottom of the water inlet of described water storage box.
7. according to a kind of small home waste water recycle device described in claim 6, it is characterized in that, described small home waste water recycle device also comprises tank level control system, and described tank level control system comprises the liquid level relay A that is located at header tank bottom; Be located at the liquid level relay B lower than overfall gap horizontal level in header tank; Be located at the liquid level relay C higher than overfall gap horizontal level in header tank, described liquid level relay C is connected with warning device; Be located at the liquid level relay D of the medium position of water storage box; Be located in water storage box and with the fair liquid level relay E of water storage box overfall gap; Described liquid level relay A, B, D and E is connected with lifting water pump respectively.
8. a kind of small home waste water recycle device according to claim 7, is characterized in that, described water storage box is connected with spraying system of fire fighting, and the gutter of described water storage box connects respectively water-saving toilet and pot sink.
9. utilize the domestic waste water recoverying and utilizing method that in claim 1-8, the small home waste water recycle device described in any one carries out, it is characterized in that, comprise the following steps:
1) first, domestic waste water enters treatment box by water inlet pipe, and through quartz sand filtration, large particulate matter is removed in metafiltration; Then pass through oil removing interlayer, carry out oil removing process except degreasing; Then pass through active carbon interlayer, carry out activated carbon process and carry out advanced treating, remove the Some Organic Pollutants in waste water; Finally, the water outlet after processing through active carbon interlayer reaches middle water quality standard, and is stored in header tank;
2) the middle water in header tank is by promoting water pump lifting to water storage box, and middle water is stored in water storage box after processing through ultraviolet disinfection lamp in water storage box;
3) water in water storage box is used for flushing the toilet, fire-fighting automatic spray or put into lavatory basin.
10. a kind of domestic waste water recoverying and utilizing method according to claim 9, described small home waste water recycle device also comprises tank level control system as claimed in claim 7, it is characterized in that, also comprise following control procedure: in the time that the water level in header tank arrives liquid level relay B place, liquid level relay B controls lifting water pump and starts to draw water; In the time that the water level in header tank is down to liquid level relay A place, liquid level relay A controls water pump and stops pumping; When promoting water pump, drawing water, header tank overfall gap stops up while not causing liquid level to rise to liquid level relay C place, and liquid level relay C can connect warning device and give the alarm; In the time that the water level in water storage box drops to liquid level relay D place, liquid level relay D controls lifting water pump and draws water from header tank, and the priority level of liquid level relay D is higher than liquid level relay B; In the time that the water level in water storage box rises to liquid level relay E place, liquid level relay E controls lifting water pump and stops drawing water from header tank, and the priority level of liquid level relay E is higher than liquid level relay A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410050826.9A CN103866823A (en) | 2014-02-14 | 2014-02-14 | Small household wastewater recycling device and household wastewater recycling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410050826.9A CN103866823A (en) | 2014-02-14 | 2014-02-14 | Small household wastewater recycling device and household wastewater recycling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103866823A true CN103866823A (en) | 2014-06-18 |
Family
ID=50905804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410050826.9A Pending CN103866823A (en) | 2014-02-14 | 2014-02-14 | Small household wastewater recycling device and household wastewater recycling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103866823A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314144A (en) * | 2014-11-12 | 2015-01-28 | 常熟市轻工装饰材料有限公司 | Multifunctional deodorizing sewer pipe |
| CN104499540A (en) * | 2014-12-12 | 2015-04-08 | 平顶山市创想电子科技有限公司 | Wastewater recovery toilet-flushing system |
| CN104880971A (en) * | 2015-06-01 | 2015-09-02 | 卢云飞 | Depth water treatment facility |
| CN105887965A (en) * | 2016-05-09 | 2016-08-24 | 河海大学 | Small-size treating device for recycling household wastewater |
| CN105908809A (en) * | 2016-06-24 | 2016-08-31 | 李云虹 | Domestic wastewater recycling method and device |
| CN110668597A (en) * | 2019-07-23 | 2020-01-10 | 黄团英 | Kitchen sewage purification device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2467597Y (en) * | 2001-03-06 | 2001-12-26 | 刘和法 | Water-saving device (B) |
| CN201043295Y (en) * | 2006-11-17 | 2008-04-02 | 刘益国 | Domestic water-saving device with wastewater recovery function |
| CN201250423Y (en) * | 2008-08-21 | 2009-06-03 | 杨航 | Household water-saving equipment |
| CN101560786A (en) * | 2009-05-12 | 2009-10-21 | 赵英培 | Method for reuse and treatment of household reclaimed water |
| WO2010120202A1 (en) * | 2009-04-15 | 2010-10-21 | Montez Joao Pedro | Bath water reusing system driven by supply water pressure |
-
2014
- 2014-02-14 CN CN201410050826.9A patent/CN103866823A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2467597Y (en) * | 2001-03-06 | 2001-12-26 | 刘和法 | Water-saving device (B) |
| CN201043295Y (en) * | 2006-11-17 | 2008-04-02 | 刘益国 | Domestic water-saving device with wastewater recovery function |
| CN201250423Y (en) * | 2008-08-21 | 2009-06-03 | 杨航 | Household water-saving equipment |
| WO2010120202A1 (en) * | 2009-04-15 | 2010-10-21 | Montez Joao Pedro | Bath water reusing system driven by supply water pressure |
| CN101560786A (en) * | 2009-05-12 | 2009-10-21 | 赵英培 | Method for reuse and treatment of household reclaimed water |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314144A (en) * | 2014-11-12 | 2015-01-28 | 常熟市轻工装饰材料有限公司 | Multifunctional deodorizing sewer pipe |
| CN104499540A (en) * | 2014-12-12 | 2015-04-08 | 平顶山市创想电子科技有限公司 | Wastewater recovery toilet-flushing system |
| CN104880971A (en) * | 2015-06-01 | 2015-09-02 | 卢云飞 | Depth water treatment facility |
| CN105887965A (en) * | 2016-05-09 | 2016-08-24 | 河海大学 | Small-size treating device for recycling household wastewater |
| CN105908809A (en) * | 2016-06-24 | 2016-08-31 | 李云虹 | Domestic wastewater recycling method and device |
| CN110668597A (en) * | 2019-07-23 | 2020-01-10 | 黄团英 | Kitchen sewage purification device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103866823A (en) | Small household wastewater recycling device and household wastewater recycling method | |
| CN204939151U (en) | One way of life sewage integrated treatment device | |
| CN203834590U (en) | Household waste water recycling system | |
| CN205007707U (en) | Sewage filtering device | |
| CN204185334U (en) | A kind of underground integrated sewage treating equipment | |
| CN203999122U (en) | Septic tank | |
| CN203498229U (en) | Modular biological membrane purifying and recycling device for drainage of same floor | |
| CN205204989U (en) | System of recycling is handled in hospital sewage circulation | |
| CN204607788U (en) | A kind of urban sewage treating device | |
| CN201785258U (en) | Household water circulation purification system | |
| CN211546148U (en) | Compound high-efficient oil-water separator | |
| CN208964727U (en) | A kind of microkinetic sewage integrated treatment equipment | |
| CN208802948U (en) | A kind of environment protection sewage processing equipment | |
| CN209272021U (en) | A kind of electric automatization spray equipment | |
| CN202644668U (en) | Automatic wastewater utilization device | |
| CN209759094U (en) | Domestic reverse osmosis sewage treatment recycling device | |
| CN211946620U (en) | Household reclaimed water processor | |
| CN201354334Y (en) | Device for treating and recycling reclaimed water | |
| CN205056588U (en) | Circulating water pond clears up ware | |
| CN204958656U (en) | Treatment equipment of domestic sewage | |
| CN211570347U (en) | Safe and efficient treatment of environment-friendly sewage | |
| CN214457411U (en) | Domestic wastewater treatment device with sterilization function | |
| CN103510584A (en) | Domestic sewage recycling and reutilizing device | |
| CN204400698U (en) | The prefabricated pumping plant of a kind of separate type focuses on the device of domestic sewage in rural areas | |
| CN104343164A (en) | Sanitary waste water utilization method of building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140618 |