CN210915590U - Water treatment equipment - Google Patents
Water treatment equipment Download PDFInfo
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- CN210915590U CN210915590U CN201921949725.XU CN201921949725U CN210915590U CN 210915590 U CN210915590 U CN 210915590U CN 201921949725 U CN201921949725 U CN 201921949725U CN 210915590 U CN210915590 U CN 210915590U
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Abstract
The utility model discloses water treatment equipment, which comprises a raw water tank, a pretreatment filter, an ultrafiltration membrane component, an ultrafiltration water tank, a nanofiltration membrane component, a nanofiltration water tank and a backwashing system; the pretreatment filter and the ultrafiltration membrane component are connected through a pipeline, and a security filter is arranged on the pipeline; the pure water outlet of the ultrafiltration membrane component is connected with the ultrafiltration water tank through a pipeline, the pipeline is provided with a first sampling port, the concentrated water outlet of the ultrafiltration membrane component is connected with the raw water tank through a pipeline, and the pipeline is also provided with a first concentrated water straight discharge port; the ultrafiltration water tank is connected with the nanofiltration membrane component through a pipeline, and a second water pump is arranged on the pipeline; the purified water outlet of the nanofiltration membrane component is connected with the nanofiltration water tank through a pipeline, a second sampling port is arranged on the pipeline, the concentrated water outlet of the nanofiltration membrane component is connected with the ultrafiltration water tank through a pipeline, and a second concentrated water direct discharge port is also arranged on the pipeline. The utility model discloses long service life.
Description
Technical Field
The utility model particularly relates to a water treatment device, which belongs to the technical field of water treatment.
Background
Raw water of tap water widely used in urban life is usually taken from underground water or surface fresh water such as rivers and lakes, and then is connected into a water pipe to be sent into a user home after coagulation, precipitation, filtration and disinfection treatment of a tap water factory, free residual chlorine and the like are generated after polyaluminium trichloride flocculation purifying agent and pre-chlorination disinfection treatment are commonly used in water source coagulation, a water delivery pipe network and an unmanned cleaning water tank are used in the tap water preparation process, and the secondary pollution of the tap water is inevitably caused, so the tap water sent into the user home cannot be directly drunk, usually people only boil the boiled water and directly drink the boiled water, but the boiling only plays a role in disinfection and sterilization, cannot eliminate suspended matters and various harmful substances in the tap water, and the body is damaged when the untreated tap water is drunk for a long time; the existing drinking water treatment equipment adopts a reverse osmosis technology, a reverse osmosis membrane can completely filter out almost all impurities, heavy metals, bacteria, viruses and the like harmful to human bodies in water, but the reverse osmosis membrane can generate a large amount of concentrated water in the process of preparing purified water, generally 1 part of purified water can generate 3 parts of concentrated water, most of the concentrated water is discharged, the purified water is difficult to accept by users, in addition, the reverse osmosis membrane is difficult to regenerate, and the material cost of the reverse osmosis membrane is too high. Therefore, a drinking water treatment device with low water production cost is needed.
Disclosure of Invention
To the problem that prior art exists, the utility model provides a water treatment device, both can satisfy people to the requirement of drinking water quality of water, have low cost's characteristics.
The technical scheme of the utility model is that: a water treatment device comprises a raw water tank, a pretreatment filter, an ultrafiltration membrane component, an ultrafiltration water tank, a nanofiltration membrane component, a nanofiltration water tank and a backwashing system; the raw water tank is connected with the pretreatment filter through a pipeline, and a first water pump is arranged on the pipeline; the pretreatment filter and the ultrafiltration membrane component are connected through a pipeline, and a security filter is arranged on the pipeline; the pure water outlet of the ultrafiltration membrane component is connected with the ultrafiltration water tank through a pipeline, the pipeline is provided with a first sampling port, the concentrated water outlet of the ultrafiltration membrane component is connected with the raw water tank through a pipeline, and the pipeline is also provided with a first concentrated water straight discharge port; the ultrafiltration water tank is connected with the nanofiltration membrane component through a pipeline, and a second water pump is arranged on the pipeline; a purified water outlet of the nanofiltration membrane component is connected with the nanofiltration water tank through a pipeline, a second sampling port is arranged on the pipeline, a concentrated water outlet of the nanofiltration membrane component is connected with the ultrafiltration water tank through a pipeline, and a second concentrated water straight discharge port is also arranged on the pipeline; the backwashing system is connected with a purified water outlet of the ultrafiltration membrane component through a first backwashing pipeline, and a first electromagnetic valve is arranged on the first backwashing pipeline; and the backwashing system is connected with a purified water outlet of the nanofiltration membrane component through a second backwashing pipeline, and a second electromagnetic valve is arranged on the second backwashing pipeline.
Furthermore, the backwashing system comprises a third water pump, a liquid medicine disinfection box and a fourth water pump, the third water pump takes water from the nanofiltration water tank, the fourth water pump takes liquid from the liquid medicine disinfection box, and outlets of the third water pump and the fourth water pump are communicated with the first backwashing pipeline and the second backwashing pipeline.
Further, the pretreatment filter is one of a quartz sand filter and an activated carbon filter or a combination of the two.
The utility model has the advantages that: the utility model firstly adopts the pretreatment filter and the security filter to primarily filter raw water, then the raw water is respectively filtered by the combination of the ultrafiltration filter and the nanofiltration filter, the aperture of the ultrafiltration membrane is between 0.05 um and 1 nm, and macromolecular substances such as suspended matters, colloid, particles, bacteria, viruses and the like in water can be intercepted and removed; the aperture range of the nanofiltration membrane is about a few nanometers, harmful substances such as macromolecular substances, heavy metal ions and the like in water can be further removed, the effluent quality completely meets the requirement of drinking water, the concentrated water is recycled, the operation cost is low, and the dependence on a reverse osmosis membrane with higher price can be avoided; meanwhile, the equipment is further provided with a backwashing system, so that the ultrafiltration membrane and the nanofiltration membrane can be subjected to backwashing, chemical backwashing, disinfection and other operation treatment, the service life of the membrane component is prolonged, and the effluent quality is improved.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Reference numerals: the device comprises a raw water tank 1, a first water pump 2, a quartz sand-activated carbon combined pretreatment filter 3, a security filter 4, an ultrafiltration membrane assembly 5, an ultrafiltration water tank 6, a second water pump 7, a nanofiltration membrane assembly 8, a nanofiltration water tank 9, a third water pump 10, a liquid medicine disinfection tank 11, a fourth water pump 12, a first electromagnetic valve 13, a second electromagnetic valve 14, a first reverse pipeline 15, a second reverse pipeline 16, a first sampling port 17, a second sampling port 18, a first concentrated water discharge port 19 and a second concentrated water discharge port 20.
Detailed Description
The present invention will be described in more detail with reference to the accompanying drawings.
As shown in fig. 1, a water treatment device comprises a raw water tank 1, a quartz sand-activated carbon combined pretreatment filter 3, an ultrafiltration membrane component 5, an ultrafiltration water tank 6, a nanofiltration membrane component 8, a nanofiltration water tank 9 and a backwashing system; the raw water tank 1 is connected with the pretreatment filter 3 through a pipeline, and a first water pump 2 is arranged on the pipeline; the pretreatment filter 3 is connected with the ultrafiltration membrane component 5 through a pipeline, and a security filter 3 is arranged on the pipeline and used for protecting the ultrafiltration membrane component and preventing large-particle pollutants from blocking the ultrafiltration membrane filaments; a purified water outlet of the ultrafiltration membrane component 5 is connected with an ultrafiltration water tank 6 through a pipeline, a first sampling port 17 is arranged on the pipeline so as to monitor the water quality parameters of outlet water in time, a concentrated water outlet of the ultrafiltration membrane component 5 is connected with the raw water tank 1 through a pipeline so as to realize concentrated water recycling, and a first concentrated water straight discharge port 19 is also arranged on the pipeline so as to discharge concentrated water during chemical backwashing; the ultrafiltration water tank 6 is connected with the nanofiltration membrane component 8 through a pipeline, and a second water pump 7 is arranged on the pipeline; a purified water outlet of the nanofiltration membrane component 8 is connected with the nanofiltration water tank 9 through a pipeline, a second sampling port 18 is arranged on the pipeline so as to monitor the water quality parameters of the discharged water in time, a concentrated water outlet of the nanofiltration membrane component 8 is connected with the ultrafiltration water tank 6 through a pipeline so as to realize the recycling of concentrated water, and a second concentrated water straight discharge port 20 is also arranged on the pipeline so as to discharge concentrated water during chemical backwashing; the backwashing system comprises a third water pump 10, a liquid medicine disinfection tank 11 and a fourth water pump 12, wherein the third water pump 10 takes water from a nanofiltration water tank 9, the fourth water pump 12 takes liquid from the liquid medicine disinfection tank 11, outlets of the third water pump and the fourth water pump are connected with a purified water outlet of the ultrafiltration membrane component 5 through a first backwashing pipeline 15, and a first electromagnetic valve 13 is arranged on the first backwashing pipeline 15; the outlets of the third water pump and the fourth water pump are also connected with a clean water outlet of the ultrafiltration membrane component 8 through a second backwashing pipeline 16, and a second electromagnetic valve 14 is arranged on the second backwashing pipeline 16.
The utility model discloses a theory of operation and flow do: raw water from tap water enters a raw water tank, enters a quartz sand-activated carbon filter for preliminary filtration under the drive of a first water pump, then enters water inlets at the bottoms of a plurality of ultrafiltration membrane component systems connected in parallel after being subjected to precise filtration by a security filter, and enters an ultrafiltration water tank after being filtered by ultrafiltration membrane filaments, and concentrated water flows back into the raw water tank through a concentrated water pipeline at the top of the ultrafiltration membrane component after being collected by a purified water outlet; the ultrafiltration water gets into the water inlet of receiving the filter membrane subassembly bottom through the second water pump, and after receiving the filtration of filter membrane subassembly, the water purification is gathered through the water purification export and is gone into the water tank of receiving to strain and can regard as drinking water direct use, and the dense water that receives the filter membrane subassembly and produce then flows back and get into the ultrafiltration water tank and realize the reutilization, accomplishes the process of preparing of drinking water so far. When the ultrafiltration membrane component and the nanofiltration membrane component need to be backwashed for maintenance, the third water pump is opened to pump nanofiltration water, the fourth water pump is opened to pump chemical cleaning disinfectant, the first electromagnetic valve and the second electromagnetic valve are opened, the chemical cleaning disinfectant respectively enters the ultrafiltration membrane component and the nanofiltration membrane component through the first backwashing pipeline and the second backwashing pipeline, pollutants are discharged through respective concentrated water outlets, the pollutants discharged at the moment are not recycled, and are directly discharged through the first concentrated water discharge outlet and the second concentrated water discharge outlet respectively, so that the maintenance and cleaning of the ultrafiltration membrane component and the nanofiltration membrane component can be realized, the maintenance work can be carried out simultaneously or separately, different chemical liquid medicines can be selected, and the backwashing is controlled by the opening and closing of the first electromagnetic valve and the second electromagnetic valve respectively. The backwashing system can greatly prolong the service life of the equipment.
Claims (3)
1. A water treatment apparatus characterized by: comprises a raw water tank, a pretreatment filter, an ultrafiltration membrane component, an ultrafiltration water tank, a nanofiltration membrane component, a nanofiltration water tank and a backwashing system; the raw water tank is connected with the pretreatment filter through a pipeline, and a first water pump is arranged on the pipeline; the pretreatment filter and the ultrafiltration membrane component are connected through a pipeline, and a security filter is arranged on the pipeline; the pure water outlet of the ultrafiltration membrane component is connected with the ultrafiltration water tank through a pipeline, the pipeline is provided with a first sampling port, the concentrated water outlet of the ultrafiltration membrane component is connected with the raw water tank through a pipeline, and the pipeline is also provided with a first concentrated water straight discharge port; the ultrafiltration water tank is connected with the nanofiltration membrane component through a pipeline, and a second water pump is arranged on the pipeline; a purified water outlet of the nanofiltration membrane component is connected with the nanofiltration water tank through a pipeline, a second sampling port is arranged on the pipeline, a concentrated water outlet of the nanofiltration membrane component is connected with the ultrafiltration water tank through a pipeline, and a second concentrated water straight discharge port is also arranged on the pipeline; the backwashing system is connected with a purified water outlet of the ultrafiltration membrane component through a first backwashing pipeline, and a first electromagnetic valve is arranged on the first backwashing pipeline; and the backwashing system is connected with a purified water outlet of the nanofiltration membrane component through a second backwashing pipeline, and a second electromagnetic valve is arranged on the second backwashing pipeline.
2. A water treatment apparatus as claimed in claim 1, wherein: the backwashing system comprises a third water pump, a liquid medicine disinfection box and a fourth water pump, the third water pump takes water from the nanofiltration water tank, the fourth water pump takes liquid from the liquid medicine disinfection box, and outlets of the third water pump and the fourth water pump are communicated with the first backwashing pipeline and the second backwashing pipeline.
3. A water treatment apparatus as claimed in claim 1, wherein: the pretreatment filter is one of a quartz sand filter and an activated carbon filter or the combination of the quartz sand filter and the activated carbon filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921949725.XU CN210915590U (en) | 2019-11-13 | 2019-11-13 | Water treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921949725.XU CN210915590U (en) | 2019-11-13 | 2019-11-13 | Water treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210915590U true CN210915590U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921949725.XU Active CN210915590U (en) | 2019-11-13 | 2019-11-13 | Water treatment equipment |
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| CN (1) | CN210915590U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811708A (en) * | 2021-01-11 | 2021-05-18 | 北京安国水道自控工程技术有限公司 | Direct drinking water purification treatment method and device |
| CN113351022A (en) * | 2021-07-05 | 2021-09-07 | 浙江天行健水务有限公司 | Process for backwashing nanofiltration wastewater based on water treatment on ultrafiltration membrane |
| CN113636669A (en) * | 2021-09-06 | 2021-11-12 | 浙江新睿环保科技有限公司 | Oil field reinjection water processing system |
-
2019
- 2019-11-13 CN CN201921949725.XU patent/CN210915590U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811708A (en) * | 2021-01-11 | 2021-05-18 | 北京安国水道自控工程技术有限公司 | Direct drinking water purification treatment method and device |
| CN113351022A (en) * | 2021-07-05 | 2021-09-07 | 浙江天行健水务有限公司 | Process for backwashing nanofiltration wastewater based on water treatment on ultrafiltration membrane |
| CN113636669A (en) * | 2021-09-06 | 2021-11-12 | 浙江新睿环保科技有限公司 | Oil field reinjection water processing system |
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