CN115403173A - Reclaimed water recycling system of sewage treatment plant - Google Patents

Reclaimed water recycling system of sewage treatment plant Download PDF

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Publication number
CN115403173A
CN115403173A CN202211218111.0A CN202211218111A CN115403173A CN 115403173 A CN115403173 A CN 115403173A CN 202211218111 A CN202211218111 A CN 202211218111A CN 115403173 A CN115403173 A CN 115403173A
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Prior art keywords
water
module
reclaimed
pipe
sewage
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CN202211218111.0A
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Chinese (zh)
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CN115403173B (en
Inventor
蒋秀娅
刘尚俭
束双宏
蒋伟
谢敏波
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GUIZHOU CHUANGYE WATER Business
TIANJIN CAPITAL ENVIRONMENTAL PROTECTION GROUP CO Ltd
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GUIZHOU CHUANGYE WATER Business
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/16—Total nitrogen (tkN-N)
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/18—PO4-P
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/42—Liquid level
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Flow Control (AREA)

Abstract

The invention relates to the technical field of wastewater treatment and utilization, and particularly relates to a reclaimed water recycling system for a sewage treatment plant. The sewage treatment system comprises a contact tank, a reclaimed water treatment system and a first water pump, wherein the contact tank is communicated with the reclaimed water treatment system, the first water pump is used for pumping primary water in the contact tank to the reclaimed water treatment system, the reclaimed water treatment system comprises a sand filter tank, a carbon filter tank, a filter and a water storage tank which are sequentially communicated, and the water storage tank is communicated with water systems in a sewage plant. Can effectively improve the sewage utilization rate in sewage plants.

Description

Reclaimed water recycling system of sewage treatment plant
Technical Field
The invention relates to the technical field of wastewater treatment and utilization, and particularly relates to a reclaimed water recycling system for a sewage treatment plant.
Background
The reclaimed water, also called reclaimed water, is high-quality miscellaneous drainage (without excrement and kitchen drainage), miscellaneous drainage (without excrement and sewage) and domestic sewage (waste water) which are used in life and production of people, and is recycled after the flow-collecting regeneration treatment to serve as the miscellaneous water which is not directly contacted with the human body, such as ground cleaning, flower watering, car washing, air-conditioning cooling, toilet flushing, fire fighting and the like. However, the water quality index is lower than the water quality standard of drinking water in urban water supply and higher than the discharge standard of sewage allowed to be discharged into ground water, and the water quality is between the water quality of domestic drinking water and the water quality standard of running discharged sewage, so the water quality index is named as 'reclaimed water'.
For sewage plants, a large amount of sewage is treated every day, wherein the sewage necessarily has high-quality impurity drainage and domestic sewage, the sewage can obtain reclaimed water after being treated, and the sewage plants also have a large water demand every day, such as the sewage needs to be flushed by a dehydrator to be used for 4-6m 3 The dosage water in the water, sludge dewatering machine room and sludge concentration machine room is about 45-50m 3 2L of water is needed for lawn greening, and the water consumption of a large sewage plant is about 6000-7000m 3 The water used in these locations is tap water. The purpose can be achieved by adopting the reclaimed water with the water quality index higher than the standard of sewage water allowed to be discharged into the ground water body, so that reclaimed water reuse is carried out in a sewage plant, the reclaimed water is used in the places with low water quality requirement, an effective way for saving and reasonably utilizing water resources is provided, the reclaimed water is also an important guarantee measure for fully utilizing the water resources and reducing the water consumption in the sewage plant, and the problem of urgent need to be solved is how to realize the reclaimed water self-reuse in the sewage plant.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a reclaimed water recycling system for a sewage treatment plant, which can recycle reclaimed water in the sewage treatment plant, and the reclaimed water obtained by sewage treatment is used in each water using place in the plant, so that the utilization rate of water resources is improved, and the water using cost is reduced.
The basic scheme provided by the invention is as follows: the utility model provides a sewage treatment plant reuse of reclaimed water system, includes contact tank, reclaimed water processing system and first water pump, contact tank and reclaimed water processing system intercommunication, first water pump is arranged in taking out the first water in the contact tank to the reclaimed water processing system, the reclaimed water processing system is including the sand filter jar, the carbon filter jar, filter and the storage tank that communicate in proper order, each water system in the storage tank intercommunication sewage plant.
The principle and the advantages of the invention are as follows: the primary water which is stored in a sewage plant and is subjected to primary treatment and not subjected to reclaimed water treatment is subjected to primary treatment, high-quality miscellaneous drainage (free of excrement and kitchen drainage), miscellaneous drainage (free of excrement and sewage) and domestic sewage (waste) are stored in a contact tank after the primary treatment, the primary water is pumped into a reclaimed water treatment system through a first water pump, the primary water is subjected to regeneration treatment in a reclaimed water treatment system through a sand filter tank, a carbon filter tank and a filter in sequence to remove impurities, reclaimed water reaching the use standard is obtained through treatment and stored in a water storage tank, the water storage tank is communicated with each water system through a water outlet pipe, and when each water system needs water, the reclaimed water reaching the use standard after treatment can be used in scenes needing to be used in the sewage treatment plant, such as flushing of a dehydrator, taking-off-line and dispensing of a thickener, dosing and watering of lawn greening. High-quality miscellaneous drainage, miscellaneous drainage and domestic sewage in a sewage treatment plant are treated again and then recycled, so that the consumption of tap water can be saved, precious fresh water resources can be effectively utilized and saved, the discharge amount of sewage and wastewater can be reduced by colleagues, and the overload phenomenon of a city sewer is relieved.
Further, the water system for the sludge concentration machine room comprises a water pipeline for the drum concentrator and a water pipeline for the plate and frame filter press, and the water pipeline for the drum concentrator is used for providing backwashing water for the drum concentrator; the water pipeline for the plate and frame filter press is used for providing squeezing water and backwashing water for the plate and frame filter press.
In sewage plants, the water content of sludge is reduced in a sludge concentration machine room, a rotary drum concentrator and a plate and frame filter press in the sludge concentration machine room all use a large amount of water in the using process, tap water is adopted in the past, and reclaimed water can be used in backwash water of the rotary drum concentrator and press water and backwash water of the plate and frame filter press, so that the reclaimed water can be directly taken out from a water storage tank when the water is needed by respectively connecting water pipelines for the rotary drum concentrator and the plate and frame filter press into the water utilization pipelines for the water.
Further, the water system for dispensing comprises a sludge concentration machine room dispensing pipeline, a sludge dehydration machine room dispensing pipeline and a dispensing room dispensing pipeline, and is used for providing concentrated machine room dosing water distribution, sludge dehydration machine room dosing water distribution and a dispensing room dosing water distribution respectively.
Need use a large amount of medicaments among the sewage factory, need use the flocculating agent in sludge concentration computer lab, sludge dewatering computer lab to and dispose amendment, defoaming agent, disinfectant etc. in adding the drugstore, when dispensing, equally need use a large amount of water, insert the inlet channel who dispenses through each pipeline of dispensing, when dispensing, can directly follow the water storage tank and get water.
Furthermore, the greening water system comprises a plurality of greening water pipelines distributed in a greening area of the sewage plant and used for providing greening water for the greening area.
The greening in the plant area also adopts tap water in the past, the larger the greening area of the plant area, the more water is needed, generally speaking, at least two times of greening watering can be carried out in the plant area every month, and a large amount of tap water can be used in one year. The greening pipeline is used for greening and watering by providing reclaimed water, so that a large amount of cost is saved.
The contact tank is also communicated with the water storage tank and the reclaimed water treatment system respectively, and the second water pump is used for pumping water in the contact tank to the water storage tank.
When water is taken, the initial water in the contact tank is added into the water storage tank, when the water quantity in the water storage tank is insufficient, the initial water in the water storage tank can be used for scenes with low requirements on water quality, such as the washing of a filter plate of a dehydrator. The method can also be used for directly pumping raw water from the reservoir to the reclaimed water treatment system for regeneration treatment.
Further, through water pipe and three-way valve intercommunication between contact pond, well water treatment system and the cistern, the water pipe includes first pipe, second pipe and third pipe, be equipped with import, first export and second export on the three-way valve, the import of three-way valve is through first pipe and contact pond intercommunication, and the second pipe and well water treatment system intercommunication are passed through in first export, and the second export passes through third pipe and cistern intercommunication, the second pipe is located to first water pump, the second pipe is located to the second water pump.
And the communication of the contact tank, the reclaimed water treatment system and the reservoir is completed through a three-way valve and a water pipe.
The system further comprises a control system and a control system, wherein the control system comprises a manual control module and an automatic control module;
the manual control module is used for controlling the first water pump and the second water pump to work according to user operation;
the automatic control module comprises a first liquid level detection module and a second liquid level detection module;
the first liquid level detection module is used for detecting the liquid level state in the water storage tank;
the second liquid level detection module is used for detecting the liquid level state in the reservoir;
and the automatic control module is used for controlling the work of the first water pump according to the liquid level state in the water storage tank and controlling the work of the second water pump according to the liquid level state in the reservoir.
The water pump is controlled by a control system, can be controlled in a manual mode and an automatic mode, and is controlled by a worker to work in the manual mode. In the automatic mode, the control is carried out by detecting the liquid level in the water storage tank and the reservoir, for example, when the liquid level in the water storage tank is detected to be higher than a certain height, the control controls the first water pump to stop working, and when the liquid level in the water storage tank is detected to be lower than a certain height, the control controls the first water pump to start working. In a similar way, when the liquid level in the reservoir is detected to be higher than a certain height, the second water pump is controlled to start working, when the liquid level in the reservoir is detected to be lower than the certain height, the second water pump is controlled to stop working, the phenomenon that the energy is wasted or the backflow occurs due to the fact that water is continuously pumped inwards after the water in the water storage tank or the reservoir is excessive is avoided, and after the reclaimed water is used, when the quantity in the water storage tank is insufficient, water is automatically injected into the reclaimed water treatment system.
The water consumption management system comprises a water quality detection module and an early warning prompt module;
the water quality detection module is used for detecting and storing the water quality parameters of the reclaimed water in the water storage tank;
and the early warning prompting module is preset with reference thresholds of all water quality parameters, and carries out early warning prompting when the detected water quality parameters reach the water quality thresholds.
During the long-term use of the reclaimed water treatment system, impurities can exist in the sand filter tank, the carbon filter tank and the filter, so that the degradation efficiency of certain indexes is reduced, the effect of reclaimed water treatment cannot meet the use requirement, and the sand filter tank, the carbon filter tank and the filter need to be washed, overhauled or replaced. Consequently, detect the quality of water parameter of the normal water in the storage water tank through water quality testing module, when the quality of water parameter that detects reaches the quality of water threshold value, explain to have reached the critical value of normal water standard, send the early warning suggestion, inform the staff to handle, avoid using the sewage that does not reach the use standard.
Further, the water consumption management system also comprises a demand acquisition module, a supply acquisition module and a water consumption balancing module;
the demand acquisition module is used for acquiring water demand of each water using system, and the water demand comprises water using time and water using amount;
the supply acquisition module is used for acquiring the reclaimed water supply capacity of the reclaimed water treatment system;
and the water utilization balancing module is used for arranging the water utilization time of each water utilization system according to the water utilization requirement of each water utilization system when two or more water utilization systems simultaneously utilize water.
The water using time of each water using system is controlled by acquiring the water using requirements of each water using system and the water supplying capacity of the reclaimed water processing system, if the reclaimed water processing system can meet the water using requirements of each water using system, each water using system can run simultaneously, and the water supplying requirements of the reclaimed water processing system can not meet the water using requirements, the water using time of each water using system can be adjusted according to the emergency degree, the importance degree and the like of each user system, and the water using time is used in a staggered mode.
Further, the water consumption management module also comprises a trend change module and a usage statistic module;
the trend change module is used for generating a change trend of the water quality parameter relative to the using amount of reclaimed water according to the stored water quality parameter;
the usage statistic module is used for determining the usage of water in the next day according to the water demand of each water using system;
and the early warning prompt module is used for judging whether the water quality parameter reaches a reference threshold value in the water using process of the reclaimed water in the next day according to the next day consumption demand, the change trend of the water quality parameter and the current water quality parameter, and if so, generating an early warning prompt on the current day.
After a sewage plant finishes one day of work, the water consumption required by each water system in the next day is obtained, the water quality parameter can be judged to reach the reference threshold value when the water is used in the next day by combining the currently measured water quality parameter, the water consumption in the next day and the change trend of the water quality parameter about the water consumption, if yes, an early warning prompt is generated, the water treatment system is washed, maintained or replaced on the current day, and the situation that the used reclaimed water does not meet the index requirement and sewage which does not reach the standard is used is prevented.
Drawings
FIG. 1 is a logic block diagram of a first embodiment of a reclaimed water recycling system in a sewage treatment plant according to the present invention;
FIG. 2 is a logic block diagram of a control system in an embodiment of a reuse of water in a sewage treatment plant according to the present invention;
FIG. 3 is a logic block diagram of a second embodiment of the reclaimed water management system for a sewage treatment plant according to the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
the embodiment is basically as shown in the attached figure 1:
the sewage treatment plant reclaimed water recycling system comprises a contact tank, a reservoir, a reclaimed water treatment system, a first water pump, a second water pump and a control system, wherein the contact tank is communicated with the reservoir and the reclaimed water treatment system respectively, and the reservoir is also communicated with the reclaimed water treatment system. It is specific, adopt water pipe and three-way valve to accomplish the contact tank in this implementation, the intercommunication of normal water processing system and cistern, the water pipe includes first pipe, second pipe and third pipe, be equipped with the import on the three-way valve, first export and second export, the import of three-way valve and one section flange joint of first pipe, the other end of first pipe is located in the contact tank as the water intaking mouth, accomplish the intercommunication of three-way valve and contact tank, first water pump passes through the soft articulate on the second pipe, first water pump is the booster pump in this embodiment, a water process first pipe for with the initial water in the contact tank, the second pipe pours into normal water processing system into. And a first outlet of the three-way valve is connected with one end of the second pipe through a flange, and the other end of the second pipe is communicated with an inlet of the reclaimed water treatment system to complete the communication of the three-way valve and the reclaimed water treatment system. The three-way valve is connected with a flange at one end of the third pipe, and the other end of the third pipe is communicated with an inlet of the reservoir.
Through the first water pump with the initial water suction reclaimed water processing system through preliminary treatment in the contact tank carry out the reclaimed water treatment, through the second water pump with the initial water suction cistern in the contact tank, initial water in the cistern can directly be used for the not high scene of water quality requirement, for example wash the filter plate in the dehydration computer lab.
The reclaimed water treatment system comprises a sand filter tank, a carbon filter tank, a filter and a water storage tank which are sequentially communicated, and primary water enters the reclaimed water treatment system and then sequentially passes through the sand filter tank, the carbon filter tank and the filter, the reclaimed water is filtered by quartz sand, the diameter of the sand filter tank is 2m, the height of the tank body is 2.4m, and the net height is 2.1m, the quartz sand is used as a filter medium, and water with high turbidity is filtered by granular or non-granular quartz sand with certain thickness under certain pressure, so that suspended matters, organic matters, colloidal particles, microorganisms, chlorine, odor, partial heavy metal ions and the like in the water are effectively intercepted and removed. The carbon filter tank is filtered by activated carbon, the diameter of the carbon filter tank is 2m, the height of the tank body is 2.4m, the net height is 2.1m, trace pollutants in the wastewater are removed through activated carbon adsorption in the reclaimed water treatment so as to achieve the purpose of deep purification, and the application range comprises decolorization, deodorization, removal of heavy metal ions, removal of dissolved organic matters, removal of radioactive substances and the like.
The control system comprises a manual control module and an automatic control module, the manual control module or the automatic control module is controlled to be started through a gear adjusting switch, the control module of the control system is adjusted to be in a manual mode or an automatic mode, the manual control module is used for controlling the first water pump and the second water pump to work according to user operation, the first water pump and the second water pump are specifically controlled to be started or closed through a manual relay, and a worker controls the starting end of the manual relay, so that the first water pump and the second water pump are controlled to run and be closed.
The automatic control module comprises a first liquid level detection module and a second liquid level detection module, the first liquid level detection module is used for detecting the liquid level state in the water storage pipe, the second liquid level detection module is used for detecting the liquid level state in the water storage tank, and the automatic control module is used for controlling the work of the first water pump according to the liquid level state in the water storage tank and controlling the work of the second water pump according to the liquid level state in the water storage tank.
Specifically, in this embodiment, the control system includes a first contactor and a second contactor, the contact on the first/second contact is connected to the power supply, the lower side is connected to the first/second water pump, the first liquid level detection module and the second liquid level detection module are both liquid level relays, and are respectively disposed in the water storage tube and the reservoir, the high probe, the middle probe and the low probe of the liquid level relay connect the two connections of the contacts in series in the coil of the first/second contactor according to the appropriate height position, the power supply of the liquid level relay is controlled by a switch, when the liquid level in the water storage tube/reservoir does not reach the position of the high probe, the liquid level relay is closed, the first/second contact coil is conducted, the first/second contactor is closed, the first/second water pump operates, and water is injected into the reclaimed water treatment system/reservoir. When the liquid level reaches the position of the high probe, the contact of the liquid level relay is disconnected, and at the moment, the water pump is powered off and does not inject water any more.
In this embodiment, the water system includes a sludge concentration machine room water system, a dispensing water system, and a greening water system. The water system for the sludge concentration machine room comprises a water pipeline for drum concentration and a water pipeline for plate frame filter pressing. One end of the water pipeline for the rotary drum concentrator is communicated with the water storage tank, the other end of the water pipeline is communicated with an original tap water inlet pipeline of the rotary drum concentrator, water is taken from the water storage tank through a water pump, and backwashing water is provided for flushing the rotary drum concentrator. In the operation process of the plate and frame filter press, a part of processes need to use squeezed water and the back washing of the plate and frame filter press, so that one end of a water pipeline for the plate and frame filter press is communicated with the water storage tank, the other end of the water pipeline for the plate and frame filter press is communicated with an original tap water inlet pipeline of the plate and frame filter press, and the squeezed water and the back washing water are provided for the plate and frame filter press.
The water system that dispenses includes sludge concentration computer lab pipeline and the sludge compressor computer lab pipeline of dispensing, among the sludge concentration computer lab, need use PAM (polyacrylamide) as the flocculating agent, with the one end intercommunication water storage tank of the pipeline and the sludge compressor computer lab pipeline of dispensing of sludge concentration computer lab, the other end communicates sludge concentration computer lab and sludge compressor computer lab respectively with add the medicine inlet tube. In addition, various medicaments such as a conditioner, a demulsifier, a defoaming agent, a disinfectant and the like also need to be prepared in the dispensing room and used for various scenes in a sewage plant, so the dispensing water system also comprises a dispensing pipeline of the dosing and dispensing room, and a water pipe of the water storage pipe and the dispensing room is communicated through the dispensing pipeline to provide reclaimed water for dispensing in the dosing room.
The greening water system comprises a plurality of greening water pipelines distributed in greening areas of the sewage plant, one end of each greening water pipeline is communicated with the water storage tank, and the other end of each greening water pipeline is respectively arranged in each greening area of the sewage plant to provide reclaimed water for watering the greening areas.
Example two
The difference between the embodiment and the first embodiment is that the system further comprises a water consumption management system, and the water consumption management system comprises a water quality detection module, an early warning prompt module, a demand acquisition module, a supply acquisition module, a water consumption balance module, a trend change module and a dosage statistical module.
And the water quality detection module is used for detecting the water quality parameters of the reclaimed water in the water storage tank. In this example, COD (chemical oxygen demand) and BOD were measured 5 (the water body is polluted by organic substances), SS (suspended solid), TP (total phosphorus) and TN (total nitrogen) are respectively passed throughThe analog sensor detects each water quality parameter in the water quality. The early warning prompting module is preset with a reference threshold value of the water quality parameter, when the detected water quality parameter reaches the water quality threshold value, early warning prompting is carried out, specifically, a numerical value close to the reclaimed water requirement of each water quality parameter is stored in the system in advance, when the numerical value is detected to reach the numerical value in real time, early warning prompting is carried out, and the prompting mode is that information is sent to a mobile phone and a computer of a worker. The quality of the reclaimed water in the water storage tank is detected through the water quality detection module, impurities can exist in the sand filter tank, the carbon filter tank and the filter in the process of long-term use of the reclaimed water treatment system, so that the degradation efficiency of certain water quality parameters is reduced, the reclaimed water indexes in the water storage tank are detected, and through setting reference thresholds of various parameters, the reference threshold is 105% of the water quality parameters in the reclaimed water use standard. When the detected water quality parameter approaches the reference threshold value, namely a relevant index is reached, the condition that the quality of the reclaimed water in the current water storage tank can not meet the requirement is indicated, and the sand rate tank, the carbon filter tank and the filter need to be washed, overhauled or replaced, so that when the water quality parameter reaches the water quality threshold value, early warning prompt is carried out.
The demand acquisition module acquires the water demand of each who uses the system, and the water demand means the time spent and the required water consumption of each water system single water, and in this embodiment, the water system is including sludge concentration computer lab, add medicine room and afforestation. In the aspect of the washing water of the dehydrator in the sludge concentration machine room, two filter plates need to be washed once every day, the total volume is 16 cubic meters, and the dosage of the dehydrator and the concentration machine room is 45 cubic meters per day. In a drug adding room, the volume of each dispensing pool is 6 cubic meters, two dispensing pools need to be dispensed, the total volume is 12 cubic meters, the dispensing is twice a day, lawn greening watering is carried out, the greening water consumption per square meter is 2L on average, and the watering is carried out 2 times per month. Assuming that the rate of the primary water treatment system to process the primary water into reclaimed water is 15 cubic meters per hour, the volume of the water storage tank is 20 cubic meters. After the water demand of each water using system and the water using capacity of the water using system are obtained, whether the two or two water using systems operate simultaneously is judged, whether the water supplying capacity can meet the water supplying demand is judged, when the water supplying capacity can meet the water supplying demand, the two water using systems operate simultaneously, if the water using capacity cannot meet the water supplying demand, the water using time is arranged according to the importance degree in the embodiment, the water using degree with high importance degree gives priority to water use, if the water using system with low priority degree is urgent, only the first tap water is used, if the water using system has low priority degree, for example, a filter plate in a dewatering machine room is washed, and the first water in the reservoir can be used.
The trend change module draws a curve by taking the water quality parameter as a vertical axis and the reclaimed water amount as a horizontal axis according to the stored water quality parameter and along with the change of the water consumption of the water using system, so as to obtain the change trend of the water quality parameter relative to the reclaimed water amount, after the sewage plant finishes one day of work, the water using system needing to work next day and the water consumption needed by each water using system are obtained through the amount counting module, so as to obtain the total water consumption needed next day, for example, according to the above requirements, the water consumption in next day is 16+46+12 + 72 (cubic meters), and if greening is needed next day, 60 cubic meters needed for greening is added. The water quality parameter can not reach the reference threshold value when the water quality parameter is judged to be used next day by combining the currently measured water quality parameter, the next day water consumption and the change trend of the water quality parameter about the water consumption, namely after the water quality parameter is judged to be reused by using 132 cubic meters of reclaimed water according to the change trend of the water quality parameter and the water quality parameter at present, whether the water quality parameter reaches the reference threshold value or not is judged, if so, an early warning prompt is generated, the reclaimed water treatment system is washed, maintained or replaced at present, and the situation that the used reclaimed water does not reach the index requirement in the water using process is prevented from being used to sewage which does not reach the standard.
EXAMPLE III
The difference between this embodiment and the second embodiment is that in this embodiment, the water management system further comprises a greening management system
The greening management system comprises a greening consumption module, a surplus acquisition module and an area selection module;
the greening consumption module is used for acquiring the single water consumption of each greening pipeline;
the surplus obtaining module is used for obtaining the surplus water in the current day;
the area selection module is used for selecting the greening area of the day according to the single water consumption of each greening pipeline and the residual water amount of the water in the day;
and the area marking module is used for marking the water-used greening areas in the turn.
Specifically, the areas of different green areas in the sewage plant are different, the water consumption required for use is different, and the water consumption of each green area can be determined by determining the single water consumption of each green pipeline. Meanwhile, the watering of the greening areas does not need to be performed every day, so that after the water consumption of each device in a sewage plant is completed every day, the residual water quantity is obtained, according to the residual water quantity and the single water consumption of each greening pipeline, the watering water quantity of the residual reclaimed water quantity in which greening area or areas can meet is judged, the watering of the greening area at present is determined, and the used water area of the current turn is marked after the watering. Therefore, the greening area is watered in batches according to the quantity of the existing reclaimed water, and when the quantity of the reclaimed water for greening is insufficient, the watering is carried out without using tap water, so that the water consumption of the tap water is reduced.
The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the invention in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the invention may be embodied in practice with the teachings of the invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. Sewage treatment plant reuse of reclaimed water system, its characterized in that: including contact chamber, normal water processing system and first water pump, contact chamber and normal water processing system intercommunication, first water pump is arranged in taking out the first water in the contact chamber to normal water processing system, normal water processing system is including the sand filter jar, carbon filter jar, filter and the storage water tank that communicate in proper order, the water system in the storage water tank intercommunication sewage plant, the water system includes sludge concentration computer lab water system, the water system of making up a prescription and afforests the water system.
2. The sewage treatment plant reclaimed water recycling system according to claim 1, wherein: the water system for the sludge concentration machine room comprises a water pipeline for a rotary drum concentrator and a water pipeline for a plate and frame filter press, and the water pipeline for the rotary drum concentrator is used for providing backwashing water for the rotary drum concentrator; and the water pipeline for the plate and frame filter press is used for providing squeezing water and backwashing water for the plate and frame filter press.
3. The sewage treatment plant reclaimed water recycling system according to claim 1, wherein: the water dispensing system comprises a sludge concentration machine room dispensing pipeline, a sludge dehydration machine room dispensing pipeline and a dispensing room dispensing pipeline and is respectively used for feeding and distributing chemicals in the concentration machine room, feeding and distributing chemicals in the sludge dehydration machine room and feeding and distributing chemicals in the dispensing room.
4. The sewage treatment plant reclaimed water recycling system according to claim 1, characterized in that: the greening water system comprises a plurality of greening water pipelines distributed in a greening area of the sewage plant and is used for providing greening water for the greening area.
5. The sewage treatment plant reclaimed water reusing system according to any one of claims 1 to 4, wherein: the contact pool is also communicated with the water storage pool and the reclaimed water treatment system respectively, and the second water pump is used for pumping water in the contact pool to the water storage pool.
6. The water reuse system of sewage treatment plant according to claim 5, wherein: the water pipe is communicated with the three-way valve through a water pipe, the water pipe comprises a first pipe, a second pipe and a third pipe, the three-way valve is provided with an inlet, a first outlet and a second outlet, the inlet of the three-way valve is communicated with the contact tank through the first pipe, the first outlet is communicated with the intermediate water treatment system through the second pipe, the second outlet is communicated with the reservoir through the third pipe, the second pipe is arranged on the first water pump, and the second pipe is arranged on the second water pump.
7. The sewage treatment plant reclaimed water recycling system according to claim 6, wherein: the system also comprises a control system and a control system, wherein the control system comprises a manual control module and an automatic control module;
the manual control module is used for controlling the first water pump and the second water pump to work according to user operation;
the automatic control module comprises a first liquid level detection module and a second liquid level detection module;
the first liquid level detection module is used for detecting the liquid level state in the water storage tank;
the second liquid level detection module is used for detecting the liquid level state in the reservoir;
and the automatic control module is used for controlling the work of the first water pump according to the liquid level state in the water storage tank and controlling the work of the second water pump according to the liquid level state in the reservoir.
8. The sewage treatment plant reclaimed water recycling system according to claim 1, wherein: the water consumption management system comprises a water quality detection module and an early warning prompt module;
the water quality detection module is used for detecting and storing the water quality parameters of the reclaimed water in the water storage tank;
and the early warning prompting module is preset with reference thresholds of all water quality parameters, and carries out early warning prompting when the detected water quality parameters reach the water quality thresholds.
9. The sewage treatment plant reclaimed water recycling system of claim 8, wherein: the water consumption management system also comprises a demand acquisition module, a supply acquisition module and a water consumption balancing module;
the demand acquisition module is used for acquiring water demand of each water using system, and the water demand comprises water using time and water using amount;
the supply acquisition module is used for acquiring the reclaimed water supply capacity of the reclaimed water treatment system;
and the water utilization balancing module is used for arranging the water utilization time of each water utilization system according to the water utilization requirement of each water utilization system when two or more water utilization systems simultaneously utilize water.
10. The sewage treatment plant reclaimed water recycling system of claim 9, wherein: the water consumption management module also comprises a trend change module and a usage statistic module;
the trend change module is used for generating a change trend of the water quality parameter relative to the consumption of the reclaimed water according to the stored water quality parameter;
the usage statistic module is used for determining the usage of the water in the next day according to the water demand of each water consumption system;
and the early warning prompt module is used for judging whether the water quality parameter reaches a reference threshold value in the water using process of the reclaimed water in the next day or not according to the next day consumption demand, the change trend of the water quality parameter and the current water quality parameter, and if so, generating an early warning prompt in the current day.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102070280A (en) * 2010-11-26 2011-05-25 浙江大学 Advanced treatment and recycling device and method of papermaking wastewater
CA2744508A1 (en) * 2011-06-23 2012-12-23 The Royal Institution For The Advancement Of Learning/Mcgill University Use of alpha-2-macroglobulin for determining osteonecrosis disease status and for screening therapeutic agents for treating osteonecrosis
CN206255917U (en) * 2016-12-16 2017-06-16 东莞市秦泰盛实业有限公司 A kind of 8 tons of intermediate water reuse systems per hour
CN109144825A (en) * 2018-07-27 2019-01-04 阿里巴巴集团控股有限公司 A kind of alert data monitoring method, device and equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102070280A (en) * 2010-11-26 2011-05-25 浙江大学 Advanced treatment and recycling device and method of papermaking wastewater
CA2744508A1 (en) * 2011-06-23 2012-12-23 The Royal Institution For The Advancement Of Learning/Mcgill University Use of alpha-2-macroglobulin for determining osteonecrosis disease status and for screening therapeutic agents for treating osteonecrosis
CN206255917U (en) * 2016-12-16 2017-06-16 东莞市秦泰盛实业有限公司 A kind of 8 tons of intermediate water reuse systems per hour
CN109144825A (en) * 2018-07-27 2019-01-04 阿里巴巴集团控股有限公司 A kind of alert data monitoring method, device and equipment

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