CN101725168A - Intermediate-water treatment method for using bath water on upper floors to flush toilets on lower floors in hotels - Google Patents
Intermediate-water treatment method for using bath water on upper floors to flush toilets on lower floors in hotels Download PDFInfo
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- CN101725168A CN101725168A CN 200910127723 CN200910127723A CN101725168A CN 101725168 A CN101725168 A CN 101725168A CN 200910127723 CN200910127723 CN 200910127723 CN 200910127723 A CN200910127723 A CN 200910127723A CN 101725168 A CN101725168 A CN 101725168A
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Abstract
The invention provides an intermediate-water treatment method for using bath water on upper floors to flush toilets on lower floors in hotels, in particular to a new method of reusing water supplied for buildings, which is mainly used for reusing bath water on upper floors to flush toilets on lower floors in hotels after in-situ treatment, and belongs to a new water and energy saving mode. Water drained from bathtubs on upper floors in hotels is connected with an amplifying pipe on lower floors through a water discharge pipe, foam layers and a small amount of sewage overflow to a discharge system through an overflow port under the amplifying pipe to be discharged, floating hair, scurf and washing agent contained in most of the water are removed through a sand filter blanket and an active carbon absorption layer in turn, and the water flows into a water storage tank. An ultraviolet tube is mounted inside the water storage tank to realize sterilization and further degrade surfactant, when water closets on lower floors need water, the water storage tank is opened through a ball float valve, water in the water storage tank flows into water tanks of the water closets to flush the toilets, and surplus intermediate water is stored in a primary intermediate water tank for later use through an amplifying pipe on top of the water storage tank.
Description
One, technical field
This patent provides a kind of new building water supply multiplexing method, is mainly used in that upper strata shower draining is used for lower floor's flushing supply in the hotel after in-situ treatment, belongs to a kind of new pattern of saving water and energy.
Two, background technology
Shortage of fresh water more and more becomes the serious problems of restriction social and economic development, and for solving water shortage problem, various intermediate water reuse systems and feedwater multiplex system have obtained extensive studies and popularization.For indoor domestic water drainage system, present technology of middle water recycle comprises former water system, middle water treatment system and intermediate water pipeline system, needs to consume a large amount of capital construction, piping erection, power and daily running cost.
Be the investment of minimizing expense, a kind of simpler suitable middle method for treating water of this patent design, with the assorted draining of high-quality in the hotel---be used for the flushing supply lower after the bath water simple process, save the intermediate water pipeline system water quality requirement, and make full use of the feedwater former water water level, save power cost.
Three, summary of the invention
Through investigation and water quality and quantity analysis, shower water supply volume in hotel is 2～3 times of toilet-flushing water consumption approximately, and shower draining water quality is better, is the assorted draining of high-quality.And the flushing supply water quality requirement is not high, and major pollutants are hair, scurf and washing agent in the shower draining, can reach the middle water water quality requirement of flushing supply through simple process.As shown in Figure 1:
Water water quality standard in the table 1. hotel shower draining water quality and the usefulness of flushing the toilet
| Water quality index | ?BOD(mg/L) | ?COD(mg/L) | ??SS(mg/L) | Surfactant (mg/L) |
| Hotel shower draining | ????40～50 | ????100～150 | ????60～80 | ????30～50 |
| Middle water water quality standard | ????10 | ????50 | ????10 | ????1.0 |
Technical scheme is as follows:
Upper strata shower draining passes to lower floor by (DN200 or 150mm * 150mm box section) in amplifier tube of wall through dewatering horizontal tube, orifice plate or balk board are installed in the amplifier tube, are made surfactant (washing agent main component) in the shower draining by abundant the foamings water layer of partly overflowing.About 400～the 600mm of amplifier tube height connects the processing water tank down, handles water tank width 200～400mm, length 400～600mm, and height 600～1000mm, the upper strata is that (height 300～400mm), lower floor is an activated carbon adsorption layer (height 400～600mm) to sand filter blanket.Handle water tank and top amplifier tube junction and establish an overfall, overfall makes the froth bed of generation pass to this layer gutter from the overfall discharge apart from sand filter blanket upper surface 10mm.Sand filter blanket dress quartz sand particle size 1～4mm, active carbon is granular or the rod shape, particle diameter is greater than 1mm.Shower enters stored underneath water tank (high 800～1000mm is equal to or higher than water surface elevation in the lavatory pan water tank at the bottom of the water tank) through sand filtration and charcoal absorption, stores in the water tank ultraviolet lamp tube is housed, and carries out sterilizing and further breakdown surface-active agent.Establish discharge pipe from storing the above 20mm of water tank bottom, be connected in the lavatory pan water tank, gate valve and one way valve are installed on the discharge pipe by float valve.Store the water tank middle part tap water access tube is installed, float valve, one way valve and antifouling cut off device are installed on the access tube, replenish with tap water during central water water shortage.Establish an overflow outlet opening at the storage water tank upper simultaneously and pass to the middle water tank of being located at second floor, flushing supply is used for hotel carwash or greening more than middle water.
Amplifier tube, processing water tank, storage water tank material can adopt the prefabricated or PVC sheet material of steel bar concrete.Handle in the water tank in the sand filter blanket quartz sand and be loaded on to put in the non-woven bag and be contained in the filter frame of handling water tank, do not have 3 ~ 6 months and take out according to the hotel situation of moving in and clean once, sand pocket cleans with washing machine, and quartz sand is poured the Zhong Shui pond into and eluriated.Active carbon also is to be contained in the filter frame that is placed in the non-woven bag below the sand filter blanket, takes out every 3 ~ 6 months according to mode of occupation and adopts Steam Heating regeneration.The ultraviolet lamp tube that stores in the water tank adopts time relay control, starts once each irradiation 1 hour in per 12 hours.
Four, description of drawings
Accompanying drawing 2 is used for the washroom arrangement diagram that lower floor flushes the toilet for hotel shower draining.
Five, the specific embodiment
Upper strata shower draining is connected to amplifier tube through dewatering horizontal tube and standpipe, the froth bed that generates and a small amount of overfall of sewage above sand filtration overflow to drainage system and drain, most of water is removed suspension through sand filtration, the charcoal absorption washing agent, enter the storage water tank, ultraviolet lamp tube wherein plays sterilizing and the surfactant of further degrading, when lower floor's lavatory pan water, the water that stores water tank is entered tank for excrement pan by the float valve unlatching, and water tank stored for future use during the bleed off pipe of unnecessary middle water through storing tank top always passed to.
The hotel of 1: one 300 berth of embodiment, 3 meters of floor heights of building, totally 5 layers in guest room, top layer utilizes roof rain water to be used to the water of flushing the toilet, other 4 layers all adopt upper strata shower draining through in be used for lower floor's water of flushing the toilet after the water treatment.Amplifier tube adopts 150mm * 150mm box section, this layer of pipe apex distance ground 2700mm, and the high 500mm of amplifier tube handles water tank 900mm (layer of sand 400mm, active carbon layer 500mm), stores water tank 800mm.Storing 2 power of water tank installation is the 100W ultraviolet lamp tube.Water water quality is in treated: SS=8mg/L, and BOD=11mg/L, COD=45mg/L, anionic surfactant concentration are 1.3mg/L.Can save flushing supply 20m every day
3, water 45m in producing simultaneously
3Be used for hotel carwash and greening.
The small-sized hotel of 2: one 100 berths of embodiment, 2.8 meters of floor heights of building, totally 4 layers in guest room, except that top layer, other 3 layers all adopt upper strata shower draining through in be used for lower floor's water of flushing the toilet after the water treatment.Amplifier tube adopts the DN200PVC pipe, pipe apex distance ground 2500mm, and the high 500mm of amplifier tube handles water tank 800mm (layer of sand 400mm, active carbon layer 500mm), stores water tank 700mm.Storing 2 power of water tank installation is the 100W ultraviolet lamp tube.Water water quality is in treated: SS=6mg/L, and BOD=9mg/L, COD=42mg/L, anionic surfactant concentration are 1mg/L.Can save flushing supply 13m every day
3, water 38m in producing simultaneously
3Be used for hotel carwash and greening.
The large-scale hotel of 3: one 2500 berths of embodiment, 3.3 meters of floor heights of building, totally 28 layers in guest room, all adopt upper strata shower draining through in be used for lower floor's water of flushing the toilet after the water treatment.Amplifier tube adopts 150mm * 150mm box section, this layer of pipe apex distance ground 2900mm, and the high 600mm of amplifier tube handles water tank 900mm (layer of sand 400mm, active carbon layer 500mm), stores water tank 900mm.Storing 2 power of water tank installation is the 100W ultraviolet lamp tube.Water water quality is in treated: SS=7mg/L, and BOD=8mg/L, COD=40mg/L, anionic surfactant concentration are 0.8mg/L.Can save flushing supply 200m every day
3, water 300m in producing simultaneously
3Be used for hotel carwash and greening.
Claims (4)
1. a hotel shower draining is used for the method for treating water that lower floor flushes the toilet, it is characterized in that: the shower draining stores water tank through dewatering horizontal tube and standpipe, amplifier tube, sand filter blanket, activated carbon adsorption layer, ultraviolet disinfection successively from the upper strata bathtub, enters lower floor's lavatory pan water tank and is used to flush the toilet.
2. method for treating water in according to claim 1 is characterized in that: sand filter blanket adopts the quartz sand of 1 ~ 4mm particle diameter, in the non-woven bag in the filter frame of packing into, uses and takes out cleaning in 3 ~ 6 months and use.
3. method for treating water in according to claim 1, it is characterized in that: activated carbon adsorption layer uses the above granular or column-shaped active carbon of 1mm particle diameter in the non-woven bag of packing into, perhaps NACF uses to take out after 3 ~ 6 months and uses after the employing Steam Heating is regenerated again.
4. method for treating water in according to claim 1 is characterized in that: store the ultraviolet lamp tube of installing in the water tank and adopt time relay control, irradiation was 1 ~ 2 hour in per 12 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910127723 CN101725168A (en) | 2009-03-18 | 2009-03-18 | Intermediate-water treatment method for using bath water on upper floors to flush toilets on lower floors in hotels |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910127723 CN101725168A (en) | 2009-03-18 | 2009-03-18 | Intermediate-water treatment method for using bath water on upper floors to flush toilets on lower floors in hotels |
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| CN101725168A true CN101725168A (en) | 2010-06-09 |
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| CN 200910127723 Pending CN101725168A (en) | 2009-03-18 | 2009-03-18 | Intermediate-water treatment method for using bath water on upper floors to flush toilets on lower floors in hotels |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120261319A1 (en) * | 2011-04-14 | 2012-10-18 | Empire Technology Development Llc | Ultraviolet water sterilization |
| CN105155631A (en) * | 2015-09-29 | 2015-12-16 | 马宏 | Recycled water-saving device |
| CN110092447A (en) * | 2019-05-06 | 2019-08-06 | 重庆工商大学 | A kind of high COD emulsifying waste water demulsification decomposition apparatus of high-voltage discharge plasma |
-
2009
- 2009-03-18 CN CN 200910127723 patent/CN101725168A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120261319A1 (en) * | 2011-04-14 | 2012-10-18 | Empire Technology Development Llc | Ultraviolet water sterilization |
| US9199864B2 (en) * | 2011-04-14 | 2015-12-01 | Empire Technology Development Llc | Ultraviolet water sterilization |
| CN105155631A (en) * | 2015-09-29 | 2015-12-16 | 马宏 | Recycled water-saving device |
| CN110092447A (en) * | 2019-05-06 | 2019-08-06 | 重庆工商大学 | A kind of high COD emulsifying waste water demulsification decomposition apparatus of high-voltage discharge plasma |
| CN110092447B (en) * | 2019-05-06 | 2021-12-21 | 重庆工商大学 | High COD emulsification wastewater breakdown of emulsion degradation device of high pressure discharge plasma |
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Application publication date: 20100609 |