CN214738401U - Unconventional water recycling system - Google Patents
Unconventional water recycling system Download PDFInfo
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- CN214738401U CN214738401U CN202120254282.3U CN202120254282U CN214738401U CN 214738401 U CN214738401 U CN 214738401U CN 202120254282 U CN202120254282 U CN 202120254282U CN 214738401 U CN214738401 U CN 214738401U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 199
- 238000004064 recycling Methods 0.000 title claims abstract description 13
- 238000005406 washing Methods 0.000 claims abstract description 12
- 235000013311 vegetables Nutrition 0.000 claims abstract description 9
- 238000004851 dishwashing Methods 0.000 claims abstract description 7
- 238000000746 purification Methods 0.000 claims description 13
- 239000010797 grey water Substances 0.000 claims description 11
- 239000008213 purified water Substances 0.000 claims description 8
- 239000011152 fibreglass Substances 0.000 claims description 6
- 239000008399 tap water Substances 0.000 claims description 6
- 235000020679 tap water Nutrition 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000009897 systematic effect Effects 0.000 abstract description 3
- 238000011010 flushing procedure Methods 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 7
- 230000002354 daily effect Effects 0.000 description 6
- 238000004321 preservation Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/30—Relating to industrial water supply, e.g. used for cooling
Abstract
The invention discloses an unconventional water recycling system, which comprises an unconventional water collecting system, a reclaimed water treatment system and a reclaimed water recycling and supplying system which are sequentially connected; the unconventional water collecting system comprises a newly-built rainwater drainage pipeline connected with a rainwater drainage outlet, a drainage main pipe communicated with the newly-built rainwater drainage pipeline and a condensate pipe connected with the rainwater drainage pipeline; the main drainage pipe is connected with a branch drainage pipe, and the branch drainage pipe is connected with a drain outlet of a hand basin, a vegetable washing pool and a drain outlet of a dish washing pool; the invention has the advantages that a set of systematic and modular unconventional water treatment technology is formed, so that the unconventional water treatment efficiency is improved, the water supply and drainage pressure of a department is reduced, and the purposes of water saving and high-efficiency water saving of the department are realized.
Description
Technical Field
The invention relates to the technical field of water-saving reconstruction, in particular to an unconventional water recycling system.
Background
Water conservation is currently the policy guideline of the country. Various policies of the state require that each unit needs to comply with the principles of local conditions and economic application, integrate various water-saving measures, explore the construction mode of water-saving organs which can be copied and popularized to the society, and demonstrate and drive the whole society to save water. The construction project of the water-saving institution is the first step of comprehensively constructing China into a water-saving society, and is also the first step of comprehensively popularizing the water-saving transformation technology to various industries in China.
The treatment and the recycling of unconventional water are key problems in the construction project of water-saving institutions, and no systematic solution is provided at present aiming at the treatment modes of different unconventional water sources and the water quality requirements of different recycling ways.
Disclosure of Invention
In order to solve the above problems, an object of the present application is to provide an unconventional water recycling system.
In order to realize the aim of the invention, the unconventional water recycling system provided by the invention comprises an unconventional water collecting system, a reclaimed water treatment system and a reclaimed water recycling water supply system which are sequentially connected;
the unconventional water collecting system comprises a newly-built rainwater drainage pipeline connected with a rainwater drainage outlet, a drainage main pipe communicated with the newly-built rainwater drainage pipeline and a condensate pipe connected with the rainwater drainage pipeline; the main drainage pipe is connected with a branch drainage pipe, and the branch drainage pipe is connected with a drain outlet of a hand basin, a vegetable washing pool and a drain outlet of a dish washing pool;
the reclaimed water treatment system comprises a reclaimed water storage tank, a reclaimed water treatment device and a purified water storage tank which are connected in sequence;
the reclaimed water reuse water supply system comprises water purification and supply equipment, wherein the water purification and supply equipment comprises a main water supply pump and a standby water supply pump.
Wherein the unconventional water includes rainwater, grey water and air conditioner condensate.
And the newly-built rainwater drainage pipeline is DN150PVC pipe.
Wherein, the water discharge branch pipe connected with the water outlet of the hand basin adopts DN50PVC pipe, and the water discharge branch pipe connected with the water outlets of the vegetable washing pool and the dish washing pool adopts DN75PVC pipe.
Wherein, the main drainage pipe adopts DN75PVC pipe.
Wherein, the condensate pipe adopts DN40PVC pipe.
Wherein, the reclaimed water storage tank and the purified water storage tank both adopt glass fiber reinforced plastic water storage tanks.
Wherein the content of the first and second substances,
a municipal tap water replenishing pipeline is arranged in the water purification and storage tank, and an electromagnetic turning plate liquid level meter is arranged on the municipal tap water replenishing pipeline.
Compared with the prior art, the invention has the beneficial effects that a set of systematic and modular unconventional water treatment technology is formed, so that the unconventional water treatment efficiency is improved, the water supply and drainage pressure of the institution is reduced, and the purposes of saving water and efficiently saving water for the institution are realized.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic diagram of the construction of the unconventional water collection system of the present application;
FIG. 3 is a schematic diagram of the reclaimed water treatment system according to the present application;
fig. 4 is a schematic structural view of the water purifying and supplying apparatus of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The invention is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-4, the present application is a specific application example, and is applied to buildings in offices.
The unconventional water collecting and utilizing system comprises three parts, wherein the first part is an unconventional water (rainwater, grey water and air-conditioning condensed water) collecting system; the second part is a reclaimed water treatment system; the third part is a reclaimed water reuse water supply system.
Wherein the unconventional water collection system is arranged as follows:
(1) source and collection area
The water sources of the unconventional water collection system are mainly divided into three types: rainwater, grey water (wash basin wastewater and vegetable and bowl cleaning wastewater) and air conditioner condensate water. Wherein the rainwater collection area includes: office buildings, conference buildings and complex building roofs. The grey water collection comprises: waste water of hand washing basin in toilet of office building and conference building, and waste water of vegetable washing and bowl cleaning in dining room of complex building. The air conditioner condensate water is collected and is included: air-conditioning condensate water on the top of the conference building.
(2) Design of collection mode
1) Rainwater collection mode design
The rainwater is collected on the basis of making full use of an original roof rainwater drainage vertical pipe, an original rainwater drainage port is connected by a newly-built rainwater collecting pipeline, a paving mode of open paving is adopted, the rainwater collecting pipeline is put to an underground reclaimed water storage tank in a ratio of 5 per mill, the lower part of the pipeline is fixed by a steel fixing frame, the pipeline is a DN150PVC pipe, and the normal use condition of the pipeline in winter is considered, so that the pipeline is subjected to heat preservation treatment.
2) Design of ash water collecting mode
Collecting ash water of meeting building
A drainage branch pipe is newly built on each floor and is connected with a drainage port of the original hand washing basin, and the drainage branch pipe is a DN50PVC pipe.
The drainage branch pipe is connected with a drainage main pipe, the drainage main pipe adopts DN75PVC pipe, and the lower part of the drainage main pipe is connected with a newly-built rainwater drainage pipeline. Considering the normal use condition of the pipeline in winter, the outdoor pipeline is subjected to heat preservation treatment.
② design of ash water collecting mode of office building
A drainage branch pipe is newly built in a tea room of each floor, the drainage branch pipe is connected with a drainage port of an original hand basin of a male and female toilet, and the drainage branch pipe is a DN50PVC pipe. The branch drain pipe is connected with the main drain pipe.
The main drainage pipe adopts DN75PVC pipe. Considering the normal use condition of the pipeline in winter, the outdoor pipeline is subjected to heat preservation treatment.
③ design of collecting mode of ash water in canteen
A drain branch pipe is newly built on each floor and is connected with the water outlet of the original vegetable washing pool and the dish washing pool, and the drain branch pipe is a DN75PVC pipe.
The main drainage pipe is arranged outside the outer wall and perpendicular to the ground surface, and the pipeline is DN75PVC pipe with pressure bearing of 0.63 Mpa. The lower part is connected with a newly-built rainwater drainage pipeline. Considering the normal use condition of the pipeline in winter, the outdoor pipeline is subjected to heat preservation treatment.
3) Design of condensed water collection mode
The condensed water that the air conditioning unit produced on the top of the conference building is connected to the original rainwater drain pipe of the conference building through the drain pipe, and the drain pipe adopts DN40PVC pipe. And uniformly discharging the rainwater into a reclaimed water storage tank through a rainwater drainage pipe and a newly-built rainwater collecting pipe. Considering the normal use condition of the pipeline in winter, the outdoor pipeline is subjected to heat preservation treatment.
The reclaimed water treatment system is arranged in the comprehensive building garage and mainly comprises a reclaimed water storage tank, a reclaimed water treatment device and a purified water storage tank.
(1) Reclaimed water storage tank
And selecting the glass fiber reinforced plastic water storage tank as the reclaimed water storage tank. A flushing pipeline is arranged at the bottom of the water storage tank, and the reclaimed water storage tank is periodically flushed by a reclaimed water reuse water supply pump. After flushing, the impurities such as sludge in the tank are periodically discharged through a submersible sewage pump arranged in the water storage tank; and a submersible pump is arranged in the reclaimed water storage tank to convey reclaimed water to reclaimed water treatment equipment. The reclaimed water storage tank is provided with a disinfection device, and the water storage tank is disinfected regularly, so that the environment of the water storage tank is improved, and bacteria breeding and bad smell are prevented.
(2) Reclaimed water treatment equipment
UF ultrafiltration technology is adopted, and a pressure control valve is adopted at the same time to control the water inlet pressure to protect UF from being influenced by pressure change; a disinfectant dosing device is arranged to meet the requirement of flushing water; the PLC and the touch screen are adopted to control full-automatic operation, so that the automation degree of the whole machine is greatly enhanced, the labor intensity is reduced, and the stability and the reliability of the operation of the whole machine are improved.
The water treatment amount of the equipment is 1.5m3H is throughThe COD and SS values of the reclaimed water after the treatment meet the water quality requirements of flushing toilets, landscapes and greening.
(3) Water purifying and storing tank
And selecting a glass fiber reinforced plastic water storage tank as a purified water storage tank to store the treated regenerated water. A municipal tap water replenishing pipeline is arranged in the water purification and storage tank, an electromagnetic turning plate liquid level meter is adopted for controlling, and when the quantity of reclaimed water is insufficient, municipal tap water is used for replenishing water in the water purification and storage tank. A reducing agent dosing device is arranged behind a water outlet of the purified water storage tank, so that residual chlorine in water is eliminated, and the requirement of chlorine-free culture water is met.
Wherein, the reclaimed water reuse water supply system
(1) The use of reclaimed water: the reclaimed water produced by the reclaimed water treatment system is mainly used for flushing toilets and replenishing water in fountain pools in office buildings.
(2) Designing a water supply mode: the rear end of the water purification and storage tank is provided with a water purification and supply device, and the treated purified water is used for flushing toilets and landscape fountains in office buildings and the like through a water supply pipeline. In order to ensure uninterrupted water supply, a water pump in the water purification and supply equipment adopts a 'one-use one-standby' mode. The water pump adopts a stainless steel multistage centrifugal pump, the pressure requirement of constant-pressure water supply is comprehensively considered, and the lift of the water pump is designed to be 66m in order to meet the requirements that the working pressure of water equipment for each floor reaches 0.25Mpa, the vertical height of a water supply pipeline is 32m and the water loss of water generated in the flowing process. The latest national standard GB50015-2003 stipulates that the condition of opening 4 toilet taps simultaneously is designed, and the flow is designed to be 15m3H is used as the reference value. The pressure regulating valve is arranged at the joint of each floor water supply branch pipe and the water supply main pipe, so that the water utilization equipment is prevented from being damaged due to the fact that the water pressure of the low floor is too high.
The arrangement mode of a water supply pipeline of an office building is consistent with that of an ash water collecting pipeline, a water supply branch pipe is connected to a water inlet of a toilet, a De32PE pipe is adopted, the pressure is 1.2Mpa, and a De63PE pipe is adopted as a water supply main pipe, and the pressure is 1.2 Mpa. The outdoor pipeline is insulated by adopting a paving mode of open paving, and considering the normal use condition of the pipeline in winter.
Wherein, a glass fiber reinforced plastic water storage tank is selected as a reclaimed water storage tank (the volume is 50m3, and the size is 11m by 3m by 1.5m) so as to store unconventional water sources.
The volume of the reclaimed water storage tank needs to be calculated according to a certain rule mode:
first, the rainwater recycling amount is calculated
a. Designed runoff volume for rain (W)1) Is calculated by
The total designed runoff amount of rainwater is calculated according to the following formula:
W1＝10ΨChyF
in the formula W1Design runoff total amount of rainwater (m)3)；
ΨCThe runoff coefficient of the rainwater is 0.85-0.95 in the value range of the roof, the concrete and the asphalt pavement, and 0.9 is taken in the project;
hy-design rainfall thickness (mm); according to the statistics of the annual rainfall data in Tianjin City, the average daily maximum rainfall value is 18 mm;
f-catchment area (hm)2). Totaling to 0.26hm2。
Then:
W1＝42.12m3
second, the initial runoff yield (W)i) Is calculated by
The initial runoff yield was calculated as follows. When special requirements exist, the concentration of pollutants in the rainwater runoff can be determined according to actual measurement.
Wi＝10*δ*F
In the formula WiDesign initial runoff abandon flow (m)3)；
Delta-initial runoff thickness (mm); taking 3 mm;
f-catchment area (hm)2) (ii) a Take 0.26hm2。
Then:
Wi＝7.8m3
c. design of available rainfall (W)Can use 1) Is calculated by
According to the standard requirement, if the collected rainwater is recycled, a water storage device is required. About 10% of the collected rainwater is lost in the evaporation, loss and water purification processes, so that the recyclable quantity of the rainwater is preferably calculated according to 90% of the total quantity of the rainwater runoff.
The designed recyclable quantity of the rainwater is as follows:
Wcan use 1＝(W1-Wi)×90％＝30.89m3/d
② calculation of recyclable ash water
Additionally, the designed total amount of grey water collection (W)2) Is calculated by
The grey water collected by the engineering is wastewater of hand washing pools in main office buildings and conference buildings; the waste water from vegetable washing in the dining room, the waste water from dish washing in the second time and the air-conditioning condensed water.
According to the design code of water supply and drainage of buildings (GB50015-2003), the daily water quota of each person in an office building is as follows: 30 to 50L/d. Most of the office staff work in the gateway, so the daily water ration of each person is taken to be 50L/d. After the water-saving appliance is installed, daily water consumption of each person is reduced to 40L/d, and only the grey water of a hand washing sink in a washroom of an office building is collected, so that the recoverable water amount is taken as 15% of the daily water consumption of each person. 464 persons were selected according to the number of designers.
The amount of collected ash water in the organs every day is designed as follows:
W2＝N*q＝2.78m3/d
2) designed daily recoverable ash water total amount (W)Can be recovered 2) Is calculated by
About 10% of collected grey water is lost in the evaporation, loss and water purification processes, so that the quantity of the collected grey water which can be recycled in a design day is as follows:
Wcan be recovered 2＝W2*90％＝2.5m3/d
Design of water storage tank
The design volume of the water storage tank is the sum of the total recyclable amount of rainwater and the total recyclable amount of grey water. That is, the volume of the water storage tank is more than or equal to WCan use 1+WAvailable 2＝33.39m3. Designed to be ultrahigh (06 m) and designed to be 50m in water storage tank volume3And the size is 11m × 3m × 1.5 m.
In addition, a glass fiber reinforced plastic water storage tank is selected as a pure water storage tank, the volume of the water storage tank is 16m3, and the size of the water storage tank is 4m 2 m.
In addition, reclaimed water treatment equipment
Firstly, the whole machine adopts a PLC plus a touch screen to control full-automatic operation.
And adopting an ultrafiltration membrane made of PVDF material.
Thirdly, the water treatment amount of the equipment is 1.5m3/h, and the COD and SS values of the reclaimed water treated by the equipment meet the water quality requirements of flushing toilets, landscapes and greening.
The technical means not described in detail in the present application are known techniques.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An unconventional water recycling system is characterized by comprising an unconventional water collecting system, a reclaimed water treatment system and a reclaimed water recycling and supplying system which are sequentially connected;
the unconventional water collecting system comprises a newly-built rainwater drainage pipeline connected with a rainwater drainage outlet, a drainage main pipe communicated with the newly-built rainwater drainage pipeline and a condensate pipe connected with the rainwater drainage pipeline; the main drainage pipe is connected with a branch drainage pipe, and the branch drainage pipe is connected with a drain outlet of a hand basin, a vegetable washing pool and a drain outlet of a dish washing pool;
the reclaimed water treatment system comprises a reclaimed water storage tank, a reclaimed water treatment device and a purified water storage tank which are connected in sequence;
the reclaimed water reuse water supply system comprises water purification and supply equipment, wherein the water purification and supply equipment comprises a main water supply pump and a standby water supply pump.
2. The unconventional water recovery system according to claim 1,
the unconventional water includes rainwater, grey water, and air conditioner condensate.
3. The unconventional water recovery system according to claim 1,
the newly-built rainwater drainage pipeline adopts DN150PVC pipe.
4. The unconventional water recovery system according to claim 1,
the water discharge branch pipe connected with the water outlet of the hand basin adopts DN50PVC pipe, and the water discharge branch pipe connected with the water outlets of the vegetable washing pool and the dish washing pool adopts DN75PVC pipe.
5. The unconventional water recovery system according to claim 1,
the main drainage pipe adopts DN75PVC pipe.
6. The unconventional water recovery system according to claim 1,
the condensate pipe adopts DN40PVC pipe.
7. The unconventional water recovery system according to claim 1,
the reclaimed water storage tank and the purified water storage tank are both made of glass fiber reinforced plastic water storage tanks.
8. The unconventional water recovery system according to claim 1,
a municipal tap water replenishing pipeline is arranged in the water purification and storage tank, and an electromagnetic turning plate liquid level meter is arranged on the municipal tap water replenishing pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120254282.3U CN214738401U (en) | 2021-01-29 | 2021-01-29 | Unconventional water recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120254282.3U CN214738401U (en) | 2021-01-29 | 2021-01-29 | Unconventional water recycling system |
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| Publication Number | Publication Date |
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| CN214738401U true CN214738401U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120254282.3U Expired - Fee Related CN214738401U (en) | 2021-01-29 | 2021-01-29 | Unconventional water recycling system |
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2021
- 2021-01-29 CN CN202120254282.3U patent/CN214738401U/en not_active Expired - Fee Related
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Granted publication date: 20211116 |