CN-118745065-B - Intelligent multistage concentrated water purifying and utilizing system for secondary water supply

Abstract

The invention relates to the technical field of secondary water supply, in particular to an intelligent multi-stage concentrated water purifying and utilizing system for secondary water supply, which is characterized by comprising a raw water supply tank, a raw water purifying device, a pure water storage tank, a concentrated water storage tank, a multi-stage concentrated water purifying device and a waste water storage tank, wherein the raw water supply tank is used for supplying raw water to the raw water purifying device through a raw water pump and a raw water electromagnetic valve, the raw water purifying device is used for purifying the raw water and respectively supplying pure water and concentrated water generated by the raw water purifying device into the pure water storage tank and the concentrated water storage tank, the concentrated water storage tank is used for supplying concentrated water to the multi-stage concentrated water purifying device through the concentrated water pump and the concentrated water electromagnetic valve, and the multi-stage concentrated water purifying device is used for multi-stage purifying the concentrated water and respectively supplying purified water and waste water generated by the concentrated water into the raw water supply tank and the waste water storage tank. The invention can provide water quality purification for the water quality of secondary water supply, and can purify and recycle the concentrated water generated in the water quality purification process.

Inventors

• XIE JIAJIAN
• HUANG JIANYANG
• ZHANG ZHIPENG
• YU JING
• CHEN BIZHU

Assignees

• 泉州市二次供水有限责任公司

Dates

Publication Date

20260508

Application Date

20240815

Claims (8)

1. 1. The intelligent multi-stage concentrated water purifying and utilizing system for secondary water supply is characterized by comprising a raw water supply tank, a raw water purifying device, a pure water storage tank, a concentrated water storage tank, a multi-stage concentrated water purifying device and a waste water storage tank, wherein the raw water supply tank is used for supplying raw water to the raw water purifying device through a raw water pump and a raw water electromagnetic valve, the raw water purifying device is used for purifying raw water and respectively supplying pure water and concentrated water generated by the raw water purifying device into the pure water storage tank and the concentrated water storage tank, the concentrated water storage tank is used for supplying concentrated water to the multi-stage concentrated water purifying device through the concentrated water pump and the concentrated water electromagnetic valve, the multi-stage concentrated water purifying device is used for multi-stage purifying the concentrated water and respectively supplying purified water and waste water generated by the concentrated water into the raw water tank and the waste water storage tank, and the raw water pump, The raw water electromagnetic valve, the concentrated water pump and the concentrated water electromagnetic valve are electrically connected with the control cabinet, the multistage concentrated water purifying device comprises a precipitation filtering mechanism and a reverse osmosis membrane group, and the precipitation filtering mechanism comprises a first precipitation box body, a first stirring filtering component, a second stirring filtering component and a third stirring filtering component, The first sedimentation tank body is internally provided with a first sedimentation cavity and a first filter cavity which are sequentially arranged from top to bottom, the first stirring filter assembly is arranged on the first sedimentation tank body and is used for stirring and filtering a first mixed solution in the first sedimentation cavity, enabling a filtered first filter liquid to flow into the first filter cavity, a first feeding pipe which is communicated with the first sedimentation cavity is arranged at the top of the first sedimentation tank body, the concentrated water storage tank is used for supplying concentrated water into the first sedimentation cavity through the concentrated water pump, the second sedimentation tank body is internally provided with a second sedimentation cavity and a second filter cavity which are sequentially arranged from top to bottom, the second stirring filter assembly is arranged on the second sedimentation tank body and is used for stirring and filtering a second mixed solution in the second sedimentation cavity, and enabling a filtered second filter liquid to flow into the second filter cavity, the top of the second precipitation tank body is provided with a second feeding pipe communicated with the second precipitation cavity, the first filtering cavity is communicated with the second precipitation cavity through a first filtrate pipeline, a first filtrate pump is arranged on the first filtrate pipeline, the second filtering cavity is communicated with a filtrate water inlet of the reverse osmosis membrane group through a second filtrate pipeline, a second filtrate pump is arranged on the second filtrate pipeline, a reverse osmosis water purifying water outlet of the reverse osmosis membrane group is communicated with the raw water supply tank through a water purifying pipeline, a reverse osmosis wastewater outlet of the reverse osmosis membrane group is communicated with the wastewater storage tank through a wastewater pipeline, the first filtrate pump is electrically connected with the control cabinet, and the first stirring filtering assembly comprises a first driving motor, a first stirring shaft, The aeration device comprises a first stirring blade and an aeration box, wherein the first stirring shaft is rotatably arranged on a first sedimentation box body and positioned in a first sedimentation cavity, a first driving motor is arranged at the top end of the first sedimentation box body and is used for driving the first stirring shaft to rotate through a first transmission part, the bottom end of the first stirring shaft extends downwards and penetrates into the first filter cavity and a first rotary sealing ring is arranged between the first sedimentation box body, the first stirring blade is fixedly arranged on the first stirring shaft and positioned at the bottom of the first sedimentation cavity, the first stirring blades are uniformly arranged in the circumferential direction of the first stirring shaft, a first filter tank is arranged in one side surface of the first stirring blade, a first filtrate outlet channel communicated with the first filter tank is arranged in the bottom of the first stirring shaft, a first filter chip which is matched and can be detached is arranged in the first filter tank, a first rotary sealing ring is fixedly arranged on the other side surface of the first stirring blade and is fixedly arranged between the first filter tank and the first sedimentation box, the first stirring blade is fixedly arranged on the first stirring shaft and is provided with a plurality of aeration channels, the first stirring blade is uniformly arranged in the circumferential direction of the first sedimentation box and is communicated with the aeration channel, the aeration channel is communicated with the aeration channel through the first stirring blade, the aeration channel is arranged in the aeration channel, the aeration channel is communicated with the aeration channel, and the aeration channel is communicated with the aeration channel through the aeration channel, and the aeration channel through the aeration channel, the aeration channel is the aeration channel, and the aeration box, the aeration box and the aeration box, and the aeration box, The second stirring shaft is rotatably arranged on the second sedimentation box body and positioned in the second sedimentation cavity, the second driving motor is arranged at the top end of the second sedimentation box body and is used for driving the second stirring shaft to rotate through a second transmission piece, the bottom end of the second stirring shaft downwards extends and penetrates into the second filtering cavity and a second rotary sealing ring is arranged between the second sedimentation box body, the second stirring blades are fixedly arranged on the second stirring shaft and positioned at the bottom of the second sedimentation cavity, the second stirring blades are uniformly arranged in a plurality of second stirring blades along the circumferential direction of the second stirring shaft, a second filtering groove is formed in one side surface of the second stirring blades, a second filtering water outlet channel communicated with the second filtering groove is formed in the bottom of the second stirring shaft, and a second filter chip which is suitable and detachable is arranged in the second filtering groove, and the first driving motor and the second driving motor are electrically connected with the second control cabinet.
2. 2. The intelligent multi-stage concentrated water purification and utilization system for secondary water supply according to claim 1, wherein the raw water purification device comprises a multi-medium filter, an activated carbon filter, a raw water cartridge filter, an ultrafiltration membrane group, a high-pressure pump and a nanofiltration membrane group which are sequentially communicated, an ultrafiltration water inlet electromagnetic valve is arranged on an ultrafiltration water inlet pipeline between the raw water cartridge filter and an ultrafiltration water inlet of the ultrafiltration membrane group, an ultrafiltration water outlet electromagnetic valve is arranged on an ultrafiltration water outlet pipeline between an ultrafiltration water outlet of the ultrafiltration membrane group and the high-pressure pump, the ultrafiltration water inlet electromagnetic valve and the ultrafiltration water outlet electromagnetic valve are electrically connected with the control cabinet.
3. 3. The intelligent multi-stage concentrated water purification and utilization system for secondary water supply according to claim 2, wherein the three pure water storage tanks comprise a primary water storage tank, a secondary water storage tank and a tertiary water storage tank, a primary water inlet electromagnetic valve is arranged on a primary water inlet pipe between a raw water security filter and the primary water storage tank, a secondary water inlet electromagnetic valve is arranged on a secondary water inlet pipe between an ultrafiltration water outlet of an ultrafiltration membrane group and the secondary water storage tank, a tertiary water inlet electromagnetic valve is arranged on a tertiary water inlet pipe between a nanofiltration water outlet of the nanofiltration membrane group and the tertiary water storage tank, an ultrafiltration backwash water inlet electromagnetic valve is arranged on an ultrafiltration backwash water inlet pipeline between an ultrafiltration water security filter and an ultrafiltration backwash water outlet of the ultrafiltration membrane group, an ultrafiltration water drainage electromagnetic valve is arranged on an ultrafiltration water backwash water drainage pipeline between a nanofiltration water outlet of the nanofiltration membrane group and the ultrafiltration water storage tank, a flushing electromagnetic valve is also arranged on the nanofiltration water drainage pipeline in parallel connection with the flushing electromagnetic valve, the backwash water inlet electromagnetic valve is connected with the ultrafiltration water inlet electromagnetic valve, the ultrafiltration water drainage electromagnetic valve, and the ultrafiltration water inlet electromagnetic valve is connected with the ultrafiltration water inlet electromagnetic valve.
4. 4. The intelligent multi-stage concentrated water purification and utilization system for secondary water supply according to claim 3, wherein a water outlet of the primary water storage tank is communicated with the primary water pump, a primary water solenoid valve, a first pressure stabilizing tank and a first ultraviolet sterilizer are sequentially arranged on a primary water pipeline between the primary water pump and a primary water terminal, a water outlet of the secondary water storage tank is communicated with the secondary water pump, a secondary water solenoid valve, a second pressure stabilizing tank and a second ultraviolet sterilizer are sequentially arranged on a secondary water pipeline between the secondary water pump and the secondary water terminal, a water outlet of the tertiary water storage tank is communicated with the tertiary water pump, a tertiary water solenoid valve, a third pressure stabilizing tank and a third ultraviolet sterilizer are sequentially arranged on a tertiary water pipeline between the tertiary water pump and the tertiary water terminal, and the primary water pump, the primary water solenoid valve, the first ultraviolet sterilizer, the secondary water pump, the secondary water solenoid valve, the second ultraviolet sterilizer, the tertiary water pump and the third ultraviolet controller are electrically connected with the electromagnetic valve.
5. 5. The intelligent multi-stage concentrated water purification and utilization system for secondary water supply according to claim 4, wherein a primary water return pipeline is arranged between the primary water pump and the multi-medium filter, a primary water return electromagnetic valve is arranged on the primary water return pipeline, a primary water quality monitor and a primary water quality flowmeter are arranged on the primary water inlet pipeline, a secondary water return pipeline is arranged between the secondary water pump and an ultrafiltration water inlet of the ultrafiltration membrane group, a secondary water return electromagnetic valve is arranged on the secondary water return pipeline, a secondary water quality monitor and a secondary water quality flowmeter are arranged on the secondary water quality inlet pipeline, a tertiary water return pipeline is arranged between the tertiary water pump and the high-pressure pump, a tertiary water return electromagnetic valve is arranged on the tertiary water return pipeline, a tertiary water quality monitor and a tertiary water quality flowmeter are arranged on the tertiary water quality inlet pipeline, and the primary water return electromagnetic valve, the primary water quality monitor, the primary water quality flowmeter, the secondary water return electromagnetic valve, the secondary water quality monitor, the secondary water quality flowmeter, the tertiary water return electromagnetic valve and the tertiary water quality flowmeter are all electrically connected with the control cabinet.
6. 6. The intelligent multi-stage concentrated water purification and utilization system for secondary water supply according to claim 1, wherein the second filter cavity is communicated with the first sedimentation cavity through a circulating pipeline, a circulating pump is arranged on the circulating pipeline, a second filtrate electromagnetic valve is arranged on the second filtrate pipeline, and the circulating pump and the second filtrate electromagnetic valve are electrically connected with the control cabinet.
7. 7. The intelligent multistage concentrated water purification and utilization system for secondary water supply according to claim 1, wherein a first filtrate high-level sensor and a first filtrate low-level sensor which are sequentially arranged up and down are arranged in the first filter cavity, a second filtrate high-level sensor and a second filtrate low-level sensor which are sequentially arranged up and down are arranged in the second filter cavity, and the first filtrate high-level sensor, the first filtrate low-level sensor, the second filtrate high-level sensor and the second filtrate low-level sensor are electrically connected with the control cabinet.
8. 8. The intelligent multistage concentrated water purification and utilization system for secondary water supply according to claim 1, wherein a first filtering gap is formed between the first filter core piece and the inner bottom surface of the first filter tank at intervals, the first filter core piece comprises a first stainless steel filter screen frame, a first filtering cotton layer and a first adsorbent layer are sequentially arranged in the first stainless steel filter screen frame, a second filtering gap is formed between the second filter core piece and the inner bottom surface of the second filter tank at intervals, the second filter core piece comprises a second stainless steel filter screen frame, and a second filtering cotton layer and a second adsorbent layer are sequentially arranged in the second stainless steel filter screen frame.

Description

Intelligent multistage concentrated water purifying and utilizing system for secondary water supply Technical Field The invention relates to the technical field of secondary water supply, in particular to an intelligent multi-stage concentrated water purifying and utilizing system for secondary water supply. Background With the development of urban high-rise buildings, the number of high-rise buildings is rapidly increased, and the high-rise buildings generally adopt secondary water supply, namely, units or individuals store and pressurize urban public water supply or self-building facility water supply, and supply users or self-use water supply through water supply pipelines, but because the contents of the water supply pipelines and the contents of storage positions are uncontrollable, the water supply pipelines are extremely easy to pollute the water supply, great pressure is caused to purification of household water, and particularly the water supply pipelines are more obvious in a secondary water supply mode provided with a pool and a water tank, meanwhile, the pipes, scaling, rust, pipe bursting, backflow and the like of a tap water pipe network also influence the water quality of tap water, and long-distance and long-time pipeline transportation and distribution of tap water also can cause water quality deterioration, so that water quality purification is required to be provided for the water quality of the secondary water supply, and concentrated water generated in the water quality purification process is purified again and recycled. Disclosure of Invention The technical problem to be solved by the invention is to provide an intelligent multi-stage concentrated water purifying and utilizing system for secondary water supply, which can provide water quality purification for the water quality of the secondary water supply, and can further purify and recycle the concentrated water generated in the water quality purification process. The intelligent multi-stage concentrated water purifying and utilizing system for secondary water supply comprises a raw water supply tank, a raw water purifying device, a pure water storage tank, a concentrated water storage tank, a multi-stage concentrated water purifying device and a waste water storage tank, wherein the raw water supply tank is used for supplying raw water to the raw water purifying device through a raw water pump and a raw water electromagnetic valve, the raw water purifying device is used for purifying raw water and respectively supplying pure water and concentrated water generated by the raw water purifying device into the pure water storage tank and the concentrated water storage tank, the concentrated water storage tank is used for supplying concentrated water to the multi-stage concentrated water purifying device through the concentrated water pump and the concentrated water electromagnetic valve, and the multi-stage concentrated water purifying device is used for multi-stage purifying the concentrated water and respectively supplying purified water and waste water generated by the concentrated water to the raw water supply tank and the waste water storage tank, and the raw water electromagnetic valve are electrically connected with a control cabinet. Further, the raw water purifying device comprises a multi-medium filter, an activated carbon filter, a raw water security filter, an ultrafiltration membrane group, a high-pressure pump and a nanofiltration membrane group which are sequentially communicated, an ultrafiltration water inlet electromagnetic valve is arranged on an ultrafiltration water inlet pipeline between the raw water security filter and an ultrafiltration water inlet of the ultrafiltration membrane group, an ultrafiltration water outlet electromagnetic valve is arranged on an ultrafiltration water outlet pipeline between an ultrafiltration water outlet of the ultrafiltration membrane group and the high-pressure pump, the ultrafiltration water inlet electromagnetic valve and the ultrafiltration water outlet electromagnetic valve are electrically connected with a control cabinet. Further, the pure water storage tank is three and comprises a first-stage water storage tank, a second-stage water storage tank and a third-stage water storage tank, a first-stage water inlet electromagnetic valve is arranged on a first-stage water inlet pipe between a raw water security filter and the first-stage water storage tank, a second-stage water inlet electromagnetic valve is arranged on a second-stage water inlet pipe between an ultrafiltration water outlet of an ultrafiltration membrane group and the second-stage water storage tank, a third-stage water inlet electromagnetic valve is arranged on a third-stage water inlet pipe between a nanofiltration water inlet of the nanofiltration membrane group and the third-stage water storage tank, an ultrafiltration backwash water inlet electromagnetic valve is arranged on an ultrafiltration backwash water