CN212452982U - Dirty rainwater circulation system of building site - Google Patents
Dirty rainwater circulation system of building site Download PDFInfo
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- CN212452982U CN212452982U CN202020846063.XU CN202020846063U CN212452982U CN 212452982 U CN212452982 U CN 212452982U CN 202020846063 U CN202020846063 U CN 202020846063U CN 212452982 U CN212452982 U CN 212452982U
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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 utility model discloses a building site sewage and rainwater circulation system, which belongs to the technical field of sewage treatment and comprises a rainwater collecting part, a domestic water collecting part, a sewage treatment part, a system association part and a terminal quoting part, wherein the rainwater collecting part is provided with a rainwater collecting sedimentation tank and a rainwater collecting pipeline, and the output end of the rainwater collecting sedimentation tank is connected with the terminal quoting part through a pipeline; the domestic water collecting part comprises a common domestic water collecting tank, a kitchen water collecting pipeline and a toilet water collecting pipeline, the kitchen water collecting pipeline is connected with an oil separating tank, the toilet water collecting pipeline is connected with a septic tank, the oil separating tank and the septic tank are connected with a sewage treatment part, and the output end of the sewage treatment part is connected with a tail end reference part through a lifting pump and a pipeline. The utility model discloses be applied to interim large-scale intensive community, application range is wide, construction period is short, reuse, solves project sewage discharge's problem, realizes the recycle of water resource.
Description
Technical Field
The utility model belongs to the technical field of the sewage treatment technique and specifically relates to a dirty rainwater circulation system of building site.
Background
Under the background that the structural form of domestic constructional engineering tends to be complicated and large-scale, the scale of the living community of construction workers is gradually enlarged. In an intensive living area formed by thousands of people, the requirements for rational utilization of water resources and reduction of sewage discharge are further increased. Meanwhile, aiming at the country with serious shortage of water resources, how to reasonably utilize the water resources and even recycle the sewage resources becomes a new problem needing to be overcome.
Disclosure of Invention
The technical task of the utility model is to above weak point, provide a building site dirty rainwater circulation system, be applied to interim large-scale intensive community, have characteristics such as application range is wide, construction period is short, repeatedly usable, solved project sewage discharge's problem, realized the recycle of water resource.
The utility model provides a technical scheme that its technical problem adopted is:
a sewage and rain water circulating system for construction site comprises a rain water collecting part, a domestic water collecting part, a sewage treatment part, a system association part and a tail end reference part,
the rainwater collecting part is provided with a rainwater collecting sedimentation tank and a rainwater collecting pipeline, and the output end of the rainwater collecting sedimentation tank is connected with the tail end reference part through a pipeline;
the domestic water collecting part comprises a common domestic water collecting tank, a kitchen water collecting pipeline and a toilet water collecting pipeline, the kitchen water collecting pipeline is connected with an oil separating tank, the toilet water collecting pipeline is connected with a septic tank, the oil separating tank and the septic tank are connected with a sewage treatment part, and the output end of the sewage treatment part is connected with a tail end reference part through a lifting pump and a pipeline.
The method is suitable for labor-intensive industrial plants and large temporary living areas with large water consumption and incomplete pollution discharge conditions, applies the principle of sewage treatment and recycling, utilizes a rainwater collection system, a washing water collection system and a sewage treatment system, and connects independent systems with a lifting pump through pipelines to form an integral system capable of recycling water resources to the maximum extent.
Preferably, the common domestic water comprises waste water generated by bathing and washing, and is discharged to the common domestic water collecting tank through a waste water pipeline, and the domestic water collecting tank is provided with a filtering and purifying device and is connected to the terminal quoting part through a lifting pump.
Specifically, ordinary domestic water collecting pit is provided with filtration purifier, and the output of ordinary domestic water collecting pit passes through pipe connection to bathroom inlet tube.
Preferably, the output branch pipe of the sewage treatment apparatus is connected to a toilet water inlet pipe.
Preferably, the output end of the rainwater collection and precipitation tank is provided with a branch pipeline connected to a water inlet pipe of a toilet.
Preferably, the oil separation tank is connected with the septic tank, kitchen water is discharged to the oil separation tank, and the water enters the septic tank for uniform treatment after being filtered by the oil separation tank.
Preferably, the end quote part comprises a greening device, a dust fall device and a cleaning device. A set of automatically controlled constant pressure lifting water pump is arranged, and the water outlet end is directly connected with greening, spraying and dust settling pipelines.
Preferably, the washing and bathing water collection and sedimentation tank, the rainwater collection and sedimentation tank, the septic tank and the oil separation tank are all finished product tanks.
Preferably, the sewage pipeline and the rainwater pipeline are buried by double-wall corrugated pipes or concrete pipes, and the lifting pipeline and the tail end recycling pipeline are galvanized steel pipes.
Preferably, the sewage treatment part comprises a filter screen, a regulating tank, an anaerobic tank, an aerobic tank, a sedimentation tank, a filtering tank and a rainwater collecting tank.
The domestic sewage is filtered by a filter screen to remove fine solid substances, and is pumped into a regulating tank from a septic tank;
stirring the water in the regulating tank by using air to uniformly mix the water, and then feeding the sewage into the anaerobic tank by using a lift pump to install a designed flow;
decomposing macromolecular organic matters into easily biodegradable micromolecular organic matters in an anaerobic tank, removing COD (chemical oxygen demand) on the one hand, oxidizing ammonia nitrogen into nitrate nitrogen on the other hand, refluxing a nitrifying liquid to an anoxic tank by using a pump for denitrification, enabling effluent to enter a secondary sedimentation tank, separating mud and water, enabling supernatant to enter a final sedimentation tank, filtering by using a filtering tank, and then enabling the supernatant to enter a rainwater collection tank for recycling;
adding a disinfectant into the tank, and refluxing the activated sludge to the anaerobic tank and the aerobic tank to fulfill the aims of denitrification and activated sludge supplementation; residual activated sludge and material sludge are discharged into a septic tank for digestion and are periodically transported outside a sludge pumping vehicle; and refluxing the supernatant to an adjusting tank for washing treatment.
The utility model discloses a dirty rainwater circulation system of building site compares with prior art, has following beneficial effect:
the system forms a reclaimed water recycling system by combining a rainwater collection system, a domestic water collection system, a sewage collection system and a treatment system, realizes recycling of water resources, and has an obvious integral water-saving effect;
the system is convenient to use in a temporary place where people gather, and is suitable for large living area projects, particularly projects lacking drainage facilities;
the construction period is short, the system only needs to embed a rainwater collecting pipeline and a washing water collecting pipeline before base construction in the construction process, the construction is simple, and the construction period is short;
the finished products are selected from the rainwater collecting pool and the washing water collecting pool, all pipelines are buried underground, and secondary circulation utilization can be realized after the project is finished;
the method has the advantages of environmental protection, good economy, saving a large amount of water, reducing discharge, effectively reducing the utilization of supplied water, greatly utilizing various kinds of sewage and basically realizing zero discharge of the sewage.
Drawings
FIG. 1 is a schematic diagram of a construction site sewage rainwater treatment method and a circulation system according to an embodiment of the present invention;
FIG. 2 is a flow chart of the construction of a dirty rainwater circulation system for a construction site according to an embodiment of the present invention;
FIG. 3 is a flow chart of the design of a construction site sewage rainwater circulation system according to an embodiment of the invention;
FIG. 4 is a schematic view of a sewage treatment system according to an embodiment of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
A sewage and rain water circulating system for construction site comprises a rain water collecting part, a domestic water collecting part, a sewage treatment part, a system association part and a tail end reference part,
the rainwater collecting part is provided with a rainwater collecting sedimentation tank and a rainwater collecting pipeline, and the output end of the rainwater collecting sedimentation tank is connected with the tail end reference part through a pipeline;
the domestic water collecting part comprises a common domestic water collecting tank, a kitchen water collecting pipeline and a toilet water collecting pipeline, the kitchen water collecting pipeline is connected with an oil separating tank, the toilet water collecting pipeline is connected with a septic tank, the oil separating tank and the septic tank are connected with a sewage treatment part, and the output end of the sewage treatment part is connected with a tail end reference part through a lifting pump and a pipeline.
The common domestic water comprises waste water generated in bath and washing, is discharged to a washing and bathing water recovery pool through a waste water pipeline, is subjected to filtration and purification, is lifted by a lifting pump and is conveyed to a tail end reference part; the water treated by the sewage treatment equipment is simultaneously conveyed to a toilet for use, so that the water circulation utilization rate is improved to the maximum extent.
Fig. 1 shows a schematic diagram of the circulation system.
Fig. 2 shows a construction flow chart of the sewage and rainwater circulation system. The design and construction process of the system are as follows:
1. the integral design of the system is that all parts are mutually related into a whole body through a lifting pump and a pipeline.
The overall design flow chart of the system is shown in fig. 3, and includes:
(1) determining the position of the rainwater collecting system, and calculating the size of the rainwater collecting sedimentation tank according to the rainfall condition;
the method comprises the steps of firstly determining the position of a rainwater collecting system, wherein the system mainly determines the position of a rainwater collecting pool, does not need to select the rainwater collecting pool to be close to a road or a toilet as much as possible, calculates the size of the rainwater collecting pool according to the local rainfall condition and the collecting condition, and selects the position according to the size. Rainwater collection pool size can be referred to table 1-1:
TABLE 1-1 rainwater collecting tank reference dimension table
| Serial number | Peak hoursNumber of workers | Square amount (m) of rainwater collecting pool3) | Remarks for note |
| 1 | 0-500 | 80 | |
| 2 | 500-1500 | 200 | |
| 3 | 1500-3000 | 400 | |
| 4 | Over 3000 people | 500 |
(2) Determining the position of a washing and bathing water collecting system and determining the size of a washing and bathing water collecting pool;
secondly, the position of a washing water recycling system is determined, the system mainly collects water for washing and bathing of workers, so that the water is close to the positions for washing and rinsing as much as possible, if the washing and rinsing are dispersed, smaller collecting tanks can be respectively arranged nearby, and then the water is collected into one collecting tank through a lifting pump. The system is designed again in such a way that only three-stage sedimentation cannot be considered, a cobblestone filter tank and an active carbon filter tank are arranged firstly when the cobblestone filter tank and the active carbon filter tank are collected,the cobblestone filtering pond and the active carbon filtering pond can be provided with the tail end of a recollection pipeline, the front section of the recollection pond is 1m in size3Namely, impurities in water for washing, rinsing and bathing are mainly filtered. The size of the washing water collecting pool can refer to the size of the rainwater collecting pool;
(3) determining the position and the size of the septic tank;
the septic tank is positioned by taking the living environment of workers into consideration, so that the septic tank is far away from the accommodation place of the workers as far as possible and is convenient to pump and drain. The size of the septic tank can be calculated according to the following formula:
the total effective volume of the septic tank is as follows: V-V1 + V2, where V1 is the partial volume of sewage and V2 is the partial volume of sludge.
Partial volume of sewage:
partial volume of sludge:
wherein: n: the number of people using the septic tank actually;
q: the domestic sewage amount is selected according to the actual situation and can be 25 liters/person.day;
t: the retention time of the sewage in the septic tank can be 12 hours;
α: the sludge amount of each person per day can be 0.4 liter per person per day;
t: selecting a sludge cleaning period according to actual conditions;
b: the water content of fresh sludge in the septic tank can be increased by 95%;
c: the water content of the sludge after fermentation and concentration can be 90%;
k: the volume reduction coefficient of the fermented sludge can be 0.8.
(4) Determining the position of the sewage treatment equipment;
finally, the position and daily sewage treatment quantity of the sewage treatment equipment are determined, and the equipment can be considered underground or above ground, but is close to the septic tank as much as possible. The daily treatment capacity of the sewage treatment equipment can be referred to tables 1-2:
TABLE 1-2 reference table for daily treatment capacity of sewage treatment equipment
| Serial number | The number of workers at peak time | Daily throughput (m)3Day) | Remarks for note |
| 1 | 0-500 | 25 | |
| 2 | 500-1500 | 50 | |
| 3 | 1500-3000 | 100 | |
| 4 | Over 3000 people | 200 |
After the position and the size of each system are determined, the direction and the gradient of the pipeline are determined, and as the septic tank is the sewage end of the whole combined system, the burying depth of the septic tank is the deepest in the sewage pipeline, and the pipeline of the rainwater collecting system is longer, and the depth of the rainwater collecting tank is deeper in consideration of the gradient. The rest pipelines are pressure pipelines, the burying can be carried out without considering the gradient, but the burying depth is not less than 700 mm. The pipeline slope should be selected 2 permillage, and the pipeline satisfies the sewage conduit deepest as far as possible, and the rainwater is collected the pipeline and is placed in the middle, promotes the principle of pipeline at the top.
A good system design can greatly reduce the crossing and input quantity of pipelines in the construction process, improve the rationality of construction, and design a complete plan view and a complete section view for knowing the construction.
Before the whole recycling system is completed, the construction of rainwater collection, washing and bathing water collection, a sewage pipeline and a septic tank is completed, then the construction of sewage treatment equipment is constructed, and finally the construction of a clear water lifting device and a tail end pipeline is performed.
Determining the position of a pipeline, and associating a rainwater collection system, a washing and bathing water collection system, a septic tank and sewage treatment equipment through pipeline arrangement to form a circulating system;
and the tail end pipeline is arranged, clear water collected and treated by the system is collected into the clear water tank, and water recycling is realized by arranging a tail end reference device near the clear water tank.
2. The installation of a washing and bathing water collecting and precipitating tank, the installation of a rainwater collecting and precipitating tank and the installation of a septic tank and an oil separation tank;
after the plane layout design is well done by combining the system diagram, the construction of a septic tank, a rainwater collecting tank and a washing and bathing water collecting tank is needed, the collecting tanks are all collecting terminals of independent systems, and the next construction can be more accurately carried out only by firstly completing the installation of the collecting tanks.
3. The method comprises the following steps of (1) installing a washing and bathing water collecting pipeline, installing a rainwater collecting pipeline, installing a domestic sewage pipeline and installing related pipelines of all parts;
the pipeline for collecting rainwater and washing and bathing water can be buried by adopting double-wall corrugated pipes, and the pipeline is selected according to different systems, as shown in the table 1-3:
table 1-3 pipeline reference tables
During construction, measurement and setting-out are carried out. According to the design plan and the section of the drainage pipeline, the accurate construction of the related data such as the trend, the gradient, the installation position of underground equipment, the elevation and the coordinates of the pipeline and the like is known.
4. Installing a water pump;
the construction equipment foundation is positioned according to a design drawing, then the water pump is installed and fixed on the foundation, and the water pump is placed on the foundation by aligning with the center line of a center line pump seat of the foundation. If the water pump and other equipment are not level, the water pump and other equipment must be leveled by using an inclined iron pad and firmly fixed.
5. Installing sewage treatment equipment;
the sewage treatment equipment adopts integrated sewage treatment equipment, and a treatment schematic diagram of the sewage treatment equipment is shown in figure 4.
The domestic sewage is filtered to remove fine solid substances and pumped into the regulating tank from the septic tank. Stirring with air in the equalizing basin makes quality of water misce bene, then utilize elevator pump installation design flow to send sewage into the anaerobism pond, decompose macromolecule organic matter into the micromolecule organic matter of easy biodegradable in the anaerobism pond, detach COD (chemical oxygen demand) on the one hand, on the other hand oxidizes the ammonia nitrogen into nitrate nitrogen, nitrify liquid with pump reflux to the oxygen deficiency pond denitrogenation, the play water gets into the second grade sedimentation tank, mud-water separation, the supernatant gets into the final sedimentation tank and then gets into rainwater collecting tank recycle after filtering through the filtering ponds. Disinfectant is added into the tank, and activated sludge flows back to the anaerobic tank and the aerobic tank to fulfill the aims of denitrification and activated sludge supplementation. The residual activated sludge and material sludge are discharged into a septic tank for digestion and are periodically transported outside a sludge pumping vehicle. And refluxing the supernatant to an adjusting tank for washing treatment.
6. Mounting a clean water tank;
the clean water tank can utilize a rainwater collecting tank, treated water is discharged into the rainwater collecting tank by a water pump after being treated, and dust fall and cleaning work are directly carried out through a lifting pump in the rainwater collecting tank.
7. Installing tail end lifting equipment;
the rainwater collection system, the washing and bathing water collection system and the sewage treatment system are combined into an integral sewage and rainwater recycling and comprehensive utilization system through pipelines, and clear water collected and treated by the system is collected into a clear water tank, but the aim is to be recycled, so that a tail end reference device is required to be arranged near the clear water tank to finish recycling.
The tail end reference equipment is simple, a set of automatically controlled constant-pressure lifting water pump is arranged, and the water outlet section is directly connected with a greening and spraying pipeline.
The water pump is preferably automatically controlled to automatically start and stop according to the water level in the clear water tank, so that greening and spraying are automated.
The clean water tank is provided with an external drainage well, and a sweeper or a water sweeper can be drawn out to clean the road surface.
8. Debugging and commissioning a system;
(1) drainage system debugging
Before the pipeline is backfilled, a water closing method is adopted for carrying out a tightness test, and during the water closing test of the pipeline, a test pipe section has the following conditions:
a. the appearance quality of the pipeline and the inspection well is inspected to be qualified;
b. the pipeline is not backfilled with soil and no water is accumulated in the groove;
c. all the reserved holes are blocked so as not to leak water;
d. the bearing capacity of the blocking plates at two ends of the pipeline is calculated and is more than the water pressure reasonably; except the reserved water inlet and outlet pipes, the sealing is firm and water leakage cannot occur.
The test method comprises the following steps: the water is divided into sections from top to bottom, and after the upper section test is finished, the water can be poured into the lower section, so that the water resource is saved. The test pipe sections are separated according to the well spacing and are tested with the well. The height of the wellhead of the inspection well above the test water head is the standard. Plugging pipe orifices at two ends of the test pipe section; and (4) adopting bricks for building, and after the bricks are maintained for 3-4 days to reach the strength, injecting water into the inspection well at the water closing section.
The soaking time of the test pipe section after being filled with water is not less than 24 hours, so that the pipe is fully soaked.
(2) Pressure pipeline debugging
Lifting pipeline, terminal pipeline are pressure pipeline, and the pipeline needs carry out the pressure testing.
Checking before pressure testing:
the pipelines, equipment, valves and the like in the inspection system must be installed without errors, and all the joints are omitted. The open and close states of various valves are not missed for detection. The sensitivity of the pressure gauge for pressure testing is checked.
The municipal pipe network is used for directly supplying water to the system, when water is injected, the valve at the highest point of each system is opened, and the valve can be closed after all air in the pipeline system is completely discharged and meets water, so that the pipeline system is full of water injection (the pipeline system is repeatedly closed for a plurality of times for verification).
After the pipeline system is filled with water, the lift pump is started to gradually raise the water pressure of the system to 0.78MPa, the pump is stopped for inspection, when no crack or leakage exists at each part, the pressure is raised to 1.2MPa and stabilized for 10min, and the pressure drop is not more than 0.02MPa, which indicates that the strength test of the system is qualified. And then, slowly reducing the test pressure to 0.78MPa, and observing for a longer time, wherein each part of the whole system still has no leakage and the pressure test is qualified.
After the pressure test of the system is qualified, all stored water in the pipeline is discharged, and the stored water at the lower part of the system is discharged with special attention.
(3) Debugging of water pump
Before debugging, the air pressure tank is required to be installed and inflated to be qualified, the remote transmission pressure gauge is required to be installed to be qualified, and the control line is required to be connected in place.
After the function debugging of the water pump is completed, the equipment is switched to a maintenance state, the temporary pipeline is dismantled, and the system is restored to a formal working state required by the design.
(4) Debugging of sewage treatment equipment
The debugging of the sewage treatment equipment needs to be carried out step by step according to the system, and several steps of single machine debugging, unit debugging, strain culture, full-line online debugging, detection and test operation need to be carried out.
After the integrated sewage treatment equipment is debugged, the training of management personnel of the equipment is arranged to ensure that the equipment runs normally in the future.
9. And (6) checking and accepting.
Materials and apparatus
1. Septic tank, rainwater collecting tank and washing water collecting tank
The tank can be plastered by adopting bricks, and can also be a finished product tank, and a septic tank, a rainwater collecting tank and a washing and bathing water collecting tank which are made of finished glass fiber reinforced plastics are suggested to be adopted as much as possible, so that the construction is convenient, and the construction period is shortened.
2. Lifting water pump
A pressure stabilizing device needs to be additionally arranged on the lifting water pump, constant pressure lifting is guaranteed to the greatest extent, an automatic control system needs to be added, and the investment of personnel management is reduced.
3. Sewage treatment equipment
The sewage treatment equipment is preferably integrated with sewage treatment equipment, and the equipment can refer to the following tables 2-1 and 2-2:
TABLE 2-1 Integrated Sewage treatment equipment table
TABLE 2-2 device Power List
Establishing a corresponding construction environment sanitation management organization, and strictly complying with relevant environment protection laws, regulations and regulations issued by national and local governments in the engineering construction process; monitoring the water quantity of a water collecting system to prevent sewage from overflowing to pollute a field; finished product protection is well made in the installation process of the sewage treatment system, and the sewage treatment material is prevented from leaking; construction waste needs to be timely cleaned, and residual soil generated during construction of a pipe ditch needs to be timely cleaned, so that the site cleaning is completed; the construction area has earthwork work, water is sprayed regularly every day, dust raising is prevented, and the exposed soil layer is covered in time; the leftover materials left in construction are cleaned in time and stored in a classified mode, so that the environment cannot be polluted.
At present, water resources are increasingly in shortage, countries and companies pay great attention to water conservation, energy conservation and environmental protection, precious water resources can be saved to the maximum extent by introducing rainwater, a bathing and washing water recycling system and a sewage treatment system, the discharge of sewage is reduced, and the system is leading in building markets, which is the embodiment of social responsibility and is also energy-saving rate in the industry.
The design of the rainwater collection system, the washing and bathing water collection system and the sewage treatment system can furthest reuse sewage generated in the living area of the office area, really realize zero discharge of the sewage, and play a positive promoting role in environment and green construction.
The sewage and rainwater recycling system introduced into the construction site can reduce the use of water supply to the maximum extent, and the reduction of the use amount of the water supply reduces the investment of the water supply and also saves huge water cost of the water supply.
The emission is reduced. The peripheral words in present building trade multizone city lack effectual drainage, and social environment is sensitive to discharging again, therefore a large amount of pump drainage can bring huge expense, introduces the dirty rainwater of large-scale interim residential area and retrieves comprehensive utilization system and can save this part expense well, and is economical and practical.
As cities develop rapidly, projects lacking in drainage are often encountered in the future, pollution discharge is avoided, water cost is high, and peripheral interference is high, the problem of sewage treatment is prominent. The sewage treatment equipment can be used repeatedly, so that the subsequent projects can be utilized, the investment cost of the equipment can be saved for the subsequent projects, and the contribution is made to the society and the company continuously.
Taking the coastal business center project as an example, the method saves the total of pollution discharge cost and water cost by 344810.6 yuan from the beginning of 30 days 6 and 7 months in 2017 to 30 days 7 and 7 months in 2018. (4.5 yuan/t according to municipal water charge and 50 yuan/t of municipal sewage charge).
The system is applied to project engineering of a coastal river business center, and the project name is as follows: coastal river business center, engineering site: the Binjiang Yangtze road in Wujiang district of Shaoguan city is east in the North Furong Daodao, and the completion time is as follows: 2017.6-2019.6, use position: worker living areas and employee office areas.
The application effect is as follows: by introducing the comprehensive utilization system for recycling the polluted rainwater, the use of water supply is greatly reduced, zero emission is basically realized, and the consistent and favorable comment of owners and proctorions is obtained.
The system is also applied to the project of the development project (first-stage) of the great south China, and the project name is as follows: project (first stage) engineering in great south China, engineering site: the completion time in the Yangjiang region of Shaoguan city: 2017.9-2019.12, use position: worker living areas and employee office areas.
The application effect is as follows: by introducing the sewage and rainwater recycling system, the use of water supply is greatly reduced, and sewage discharge is reduced.
Through the above detailed description, the person skilled in the art can easily realize the present invention. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
Claims (9)
1. A sewage and rainwater circulating system for construction site is characterized by comprising a rainwater collecting part, a domestic water collecting part, a sewage treatment part, a system association part and a terminal quoting part,
the rainwater collecting part is provided with a rainwater collecting sedimentation tank and a rainwater collecting pipeline, and the output end of the rainwater collecting sedimentation tank is connected with the tail end reference part through a pipeline;
the domestic water collecting part comprises a common domestic water collecting tank, a kitchen water collecting pipeline and a toilet water collecting pipeline, the kitchen water collecting pipeline is connected with an oil separating tank, the toilet water collecting pipeline is connected with a septic tank, the oil separating tank and the septic tank are connected with a sewage treatment part, and the output end of the sewage treatment part is connected with a tail end reference part through a lifting pump and a pipeline.
2. The building site sewage and rainwater recycling system according to claim 1, wherein said general domestic water including waste water from bathing and washing is discharged to said general domestic water collecting tank through a waste water pipe, and said domestic water collecting tank is provided with a filtering and purifying device and is connected to the terminal introducing part through a lift pump.
3. A building site sewage and rainwater recycling system according to claim 1 or 2, wherein the common domestic water collecting tank is provided with a filtering and purifying device, and the output end of the common domestic water collecting tank is connected to the toilet water inlet pipe through a pipeline.
4. A construction site sewage and rain water circulating system according to claim 1, characterised in that the output branch conduit of the sewage treatment plant is connected to a toilet inlet conduit.
5. A building site sewage rainwater recycling system according to claim 1 or 4 wherein the output of the rainwater collection and precipitation tank has a branch pipe connected to the water inlet pipe of the toilet.
6. The building site sewage and rainwater recycling system according to claim 1, wherein the oil separation tank is connected with a septic tank.
7. A building site sewage and rain water circulation system according to claim 1 or 2, characterised in that the end reference portion includes greening means, dust fall means and sweeping means.
8. The building site sewage and rainwater circulation system according to claim 1 or 2, wherein the wash and bath water collection and sedimentation tank, the rainwater collection and sedimentation tank, the septic tank and the oil separation tank are all finished tanks.
9. The building site sewage and rainwater recycling system according to claim 1, wherein the sewage pipeline and the rainwater pipeline are buried with double-wall corrugated pipes or concrete pipes, and the lifting pipeline and the terminal recycling pipeline are galvanized steel pipes.
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| CN114855929A (en) * | 2022-04-26 | 2022-08-05 | 上海工程技术大学 | Rainwater sustainable recycling and grading utilization system |
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| CN114855929A (en) * | 2022-04-26 | 2022-08-05 | 上海工程技术大学 | Rainwater sustainable recycling and grading utilization system |
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