CN209957562U

CN209957562U - Water purifying device

Info

Publication number: CN209957562U
Application number: CN201920600061.XU
Authority: CN
Inventors: 林星福
Original assignee: Zhejiang Xinpude Water Treatment Equipment Co Ltd
Current assignee: Zhejiang Xinpude Water Treatment Equipment Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-01-17
Anticipated expiration: 2029-04-28

Abstract

A water purifying device comprises a raw water tank, a raw water pump, a pretreatment part, a filter water tank, a first-level high-pressure pump, a reverse osmosis part, a first-level pure water tank, an EDI treatment part and a second-level pure water tank which are connected in sequence through pipelines; pretreatment portion is linked together with the water softener, be provided with the PH regulation doser on the first pipeline, reverse osmosis portion is linked together with the washing water tank, reverse osmosis portion communicates with the dense water tank of reverse osmosis, the dense water tank of reverse osmosis communicates with second reverse osmosis portion, second reverse osmosis portion is linked together with the filtration water tank, second reverse osmosis portion is linked together with the washing water tank, second reverse osmosis portion is linked together with the dense water bin, the cleaning portion is linked together with the pipeline of connecting first-level high-pressure pump and reverse osmosis portion, the cleaning portion is linked together with pretreatment portion, the cleaning portion is connected with control module through the circuit. The utility model has the advantages that: realize self-cleaning, the difficult jam of pipeline, water purification efficiency is high, realizes sewage cycle and handles, and sewage discharge is little.

Description

Water purifying device

Technical Field

The utility model relates to a sewage treatment technical field especially indicates a water purification device.

Background

The original Chinese patent with application number of CN201410443613.2 named as purified water treatment device of the applicant discloses a purified water treatment device, which comprises a raw water tank, a raw water pump, a coarse filtration system, a full-automatic softener, a security filter, a high-pressure pump, a first reverse osmosis device, a middle purified water tank, a booster pump, a TOC remover, a primary fine filter, an EDI device, a mixed bed filter, a UV sterilization device and a secondary fine filter which are connected in sequence by pipelines, the coarse filtration system is formed by connecting a full-automatic PP filter, a full-automatic mechanical filter and a full-automatic activated carbon filter in series in parallel, a first-stage dosing device is arranged between the full-automatic mechanical filter and the raw water pump, a second-stage dosing device is arranged between the security filter and the full-automatic softener, a reverse osmosis cleaning device is arranged on the first reverse osmosis device, and a salt adding device is connected to the full-automatic softener. The invention has the characteristics of reasonable structural layout and convenient installation and maintenance, and the prepared ultrapure water has high purity and large water yield and can be suitable for 15T ultrapure water equipment. However, the device is provided with only the reverse osmosis cleaning device on the first reverse osmosis device, the pipeline is likely to be blocked after long-time use, the shutdown treatment is needed, the production efficiency is affected, the water quantity of the unused discharged water is large, the waste of water resources is caused, and the environmental protection is not facilitated, so the structure of the device needs to be further improved.

Disclosure of Invention

The utility model aims to solve the technical problem that to above-mentioned prior art current situation and provide a realize self-cleaning, the pipeline is difficult for blockking up, and water purification efficiency is high, realizes sewage cycle and handles, and sewage discharge is little, resources are saved's water purification device.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the water purifying device comprises a raw water tank, a raw water pump, a pretreatment part, a filter water tank, a first-level high-pressure pump, a reverse osmosis part, a first-level pure water tank, an EDI treatment part and a second-level pure water tank which are sequentially connected through pipelines; pretreatment portion still is linked together through pipeline and water softener, is provided with PH regulation doser, its characterized in that on the first pipeline between connection reverse osmosis portion and the one-level pure water case: the water outlet of the reverse osmosis part is also provided with a second pipeline and a third pipeline, the water outlet of the reverse osmosis part is communicated with the cleaning water tank of the cleaning part through the second pipeline, the water outlet of the reverse osmosis part is communicated with the reverse osmosis concentrated water tank through the third pipeline, the water purifier comprises a first pipeline, a second pipeline and a third pipeline, wherein valves capable of opening and closing corresponding pipelines are respectively arranged on the first pipeline, the second pipeline and the third pipeline, a reverse osmosis concentrated water tank is communicated with a second reverse osmosis part, a water outlet of the second reverse osmosis part is communicated with a filter water tank through a fourth pipeline, a water outlet of the second reverse osmosis part is communicated with a cleaning water tank through a fifth pipeline, a water outlet of the second reverse osmosis part is communicated with a concentrated water storage tank through a sixth pipeline, a first cleaning water pipe of the cleaning part is communicated with a pipeline connected with a first-level high-pressure pump and the reverse osmosis part, a second cleaning water pipe of the cleaning part is communicated with a pretreatment part, and the cleaning part is connected.

As an improvement, the cleaning part comprises a cleaning water tank, a cleaning pump and a cleaning filter, the cleaning water tank is communicated with the cleaning pump through a pipeline, the water outlet of the cleaning pump is communicated with the cleaning filter through a pipeline, the water outlet of the cleaning pump is also communicated with the pretreatment part through a second cleaning water pipe, the water outlet of the cleaning filter is communicated with a first cleaning water pipe, a liquid level detector is arranged in the cleaning water tank, and the liquid level detector and the cleaning pump are respectively connected with the control module through a circuit; the filter element of the cleaning filter is a micron PPF filter membrane.

In a further improvement, the water outlet of the cleaning pump can be preferably communicated with a reverse osmosis concentrated water tank through the second cleaning water pipe, and the reverse osmosis concentrated water tank is communicated with the pretreatment part through a back flush pump.

As an improvement, the pretreatment part comprises a sand filter, a carbon filter, a softening filter and a fine filtration filter which are sequentially connected, a water outlet of the water quality softener is communicated with a pipeline connecting the softening filter and the fine filtration filter, a bactericide adding device is further arranged on a connecting pipeline of the raw water pump and the sand filter, a reducing agent adding device is further arranged on the pipelines of the softening filter and the fine filtration filter, and switch valves of the bactericide adding device and the reducing agent adding device are respectively connected with the control module through lines.

The sand filter is filled with sand or anthracite, the carbon filter is filled with sand or activated carbon, the softening filter is filled with sand or resin, the two softening filters are arranged in parallel, and a filter element of the fine filtration filter is a micron PPF (polypropylene) filter membrane; the water quality softener comprises a softened salt box and a softened salt delivery pump which are connected with each other, and a water outlet of the softened salt delivery pump is communicated with a pipeline connecting the softened filter and the fine filter.

In a further improvement, the sand filter and the carbon filter can be preferably communicated with a reverse inflation pump through an air duct, and air pressure meters are arranged on the air duct.

As an improvement, the reverse osmosis part comprises a first group of RO reverse osmosis devices and a second group of RO reverse osmosis devices, the first group of RO reverse osmosis devices comprises four RO reverse osmosis devices arranged in parallel, the second group of RO reverse osmosis devices comprises two RO reverse osmosis devices arranged in parallel, a first outlet of the first group of RO reverse osmosis devices is communicated with the second group of RO reverse osmosis devices, a second outlet of the first group of RO reverse osmosis devices is communicated with a first pipeline and a second pipeline, a first outlet of the second group of RO reverse osmosis devices is communicated with the first pipeline and the second pipeline, and a second outlet of the second group of RO reverse osmosis devices is communicated with a third pipeline.

As the improvement, EDI processing portion is including the EDI pure water pump and the EDI filter that connect gradually, and the first export and the second grade pure water case of EDI filter are linked together, and the second export and the filtration water tank of EDI filter are linked together.

The water purifying device is characterized in that the two-stage pure water tank is connected with a fine mixing device which can remove ions in water through a delivery pump, a return pipe of the fine mixing device is communicated with the two-stage pure water tank, and a water using pipe which can convey pure water away from the water purifying device is arranged on the return pipe.

The improved structure is characterized in that a backflow branch pipe is further arranged on a pipeline connecting a first outlet of the EDI filter and the second-stage pure water tank, the backflow branch pipe is communicated with the first-stage pure water tank, a water quality detector and an electric control opening and closing valve are arranged on the backflow branch pipe, and the water quality detector and the electric control opening and closing valve are connected with the control module through lines.

Compared with the prior art, the utility model has the advantages of: a first cleaning water pipe of the cleaning part is communicated with a pipeline connected with the first-level high-pressure pump and the reverse osmosis part, a second cleaning water pipe of the cleaning part is communicated with the pretreatment part, the cleaning part can clean the reverse osmosis part and the pretreatment part in time, the pipeline is ensured to be smooth, automatic cleaning is realized, the pipeline is not easy to block, and the water purification efficiency is high; the reverse osmosis concentrated water tank is communicated with the second reverse osmosis part, and the water outlet of the second reverse osmosis part is communicated with the filtering water tank through a fourth pipeline, so that the sewage circulation treatment is realized, the sewage discharge amount is small, the resource is saved, and the environment is protected.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1, the water purification apparatus of the present embodiment includes a raw water tank 1, a raw water pump 11, a pretreatment unit, a filtration water tank 2, a first-stage high-pressure pump 31, a reverse osmosis unit, a first-stage pure water tank 32, an EDI processing unit, and a second-stage pure water tank 52, which are connected in sequence by pipelines; the pretreatment part is also communicated with a water softener through a pipeline, a PH adjusting doser 67 is arranged on a first pipeline 61 connecting a reverse osmosis part and the first-stage pure water tank 32, a second pipeline 62 and a third pipeline 63 are also arranged on a water outlet of the reverse osmosis part, the water outlet of the reverse osmosis part is communicated with a cleaning water tank 7 of a cleaning part through the second pipeline 62, the water outlet of the reverse osmosis part is communicated with a reverse osmosis concentrated water tank 33 through the third pipeline 63, valves capable of opening and closing corresponding pipelines are respectively arranged on the first pipeline 61, the second pipeline 62 and the third pipeline 63, the reverse osmosis concentrated water tank 33 is communicated with a second reverse osmosis part, the water outlet of the second reverse osmosis part is communicated with a filter water tank 2 through a fourth pipeline 64, the water outlet of the second reverse osmosis part is communicated with the cleaning water tank 7 through a fifth pipeline 65, the water outlet of the second reverse osmosis part is communicated with a concentrated water storage tank 34 through a sixth pipeline 66, the first cleaning water pipe 71 of the cleaning part is communicated with a pipeline connecting the first-stage high-pressure pump 31 and the reverse osmosis part, and the second cleaning water pipe 72 of the cleaning part is communicated with the pretreatment part, and the cleaning part is connected with the control module 4 through a line. The second reverse osmosis section includes a lift pump 68, a high-pressure pump 69 for concentrated water, and an RO reverse osmosis unit 3 disposed in series, which are connected in this order. The specific structure of the RO reverse osmosis unit 3 belongs to the prior art, and the specific structure and the medicament formula of the PH adjusting doser 67 belong to the prior art, so the detailed description is omitted. PH adjusts doser 67 and is connected with control module 4 through the circuit, is provided with the PH detector that can detect water PH value in the pipeline on first pipeline 61, and the PH detector is connected with control module 4, and control module 4 adjusts the medicine speed of PH adjustment doser 67 according to the PH value signal regulation PH value that sends in the PH detector. The PH adjustment doser 67 can also be not connected with the control module 4, and can regularly dose medicine to the water body through manual adjustment or a timing device.

The cleaning part comprises a cleaning water tank 7, a cleaning pump 73 and a cleaning filter 74, the cleaning water tank 7 is communicated with the cleaning pump 73 through a pipeline, the water outlet of the cleaning pump 73 is communicated with the cleaning filter 74 through a pipeline, the water outlet of the cleaning pump 73 is also communicated with the preprocessing part through a second cleaning water pipe 72, the water outlet of the cleaning filter 74 is communicated with a first cleaning water pipe 71, a liquid level detector 75 is arranged in the cleaning water tank 7, and the liquid level detector 75 and the cleaning pump 73 are respectively connected with the control module 4 through lines; the filter element of the cleaning filter 74 is a 5 μm PPF filter membrane. The water outlet of the cleaning pump 73 is communicated with the reverse osmosis concentrated water tank 33 through the second cleaning water pipe 72, and the reverse osmosis concentrated water tank 33 is communicated with the pretreatment part through a back washing pump 331. The specific structure of the liquid level detector 75 is well known in the art and will not be described in detail.

The pretreatment portion comprises a sand filter 21, a carbon filter 22, a softening filter 23 and a fine filtering filter 24 which are sequentially connected, a water outlet of the water quality softening device is communicated with a pipeline connected with the softening filter 23 and the fine filtering filter 24, a bactericide adding device 27 is further arranged on a connecting pipeline of the raw water pump 11 and the sand filter 21, a reducing agent adding device 28 is further arranged on the pipelines of the softening filter 23 and the fine filtering filter 24, and the bactericide adding device 27 and a switch valve of the reducing agent adding device 28 are respectively connected with the control module 4 through a circuit. The sand filter 21 is filled with sand or anthracite, the carbon filter 22 is filled with sand or activated carbon, the softening filter 23 is filled with sand or resin, the two softening filters 23 are arranged in parallel, and a filter element of the fine filtering filter 24 is a PPF (polypropylene fiber filter) membrane with the diameter of 5 mu m; the water softener comprises a softened salt box 25 and a softened salt delivery pump 26 which are connected with each other, and the water outlet of the softened salt delivery pump 26 is communicated with a pipeline which is connected with the softening filter 23 and the fine filtering filter 24. The sand filter 21 and the carbon filter 22 are also communicated with a reverse inflation pump 29 through ventilation pipelines, and air pressure meters are arranged on the ventilation pipelines. The specific structure of the bactericide adder 27, the specific formula of the bactericide, the specific structure of the reducing agent adder 28, the specific formula of the reducing agent, the specific structure of the softened salt tank 25 and the specific formula of the softening agent belong to the prior art, and therefore, the detailed description thereof is omitted.

The reverse osmosis portion includes first group RO reverse osmosis unit and second group RO reverse osmosis unit, first group RO reverse osmosis unit is including four RO reverse osmosis unit 3 of parallel arrangement, second group RO reverse osmosis unit is including two RO reverse osmosis unit 3 of parallel arrangement, and the first export and the second of first group RO reverse osmosis unit are linked together, and the second export and first pipeline 61, the second pipeline 62 of first group RO reverse osmosis unit are linked together, and the first export and first pipeline 61, the second pipeline 62 of the second group RO reverse osmosis unit are linked together, and the second export and the third pipeline 63 of the second group RO reverse osmosis unit are linked together.

The EDI processing part comprises an EDI pure water pump 51 and an EDI filter 5 which are sequentially connected, a first outlet of the EDI filter 5 is communicated with the second-stage pure water tank 52, and a second outlet of the EDI filter 5 is communicated with the filtering water tank 2. The second-stage pure water tank 52 is connected with a fine mixing device 54 capable of removing ions in water through a delivery pump 53, a return pipe 55 of the fine mixing device 54 is communicated with the second-stage pure water tank 52, and a water using pipe capable of conveying pure water away from the pure water purifying device is arranged on the return pipe 55. A backflow branch pipe 56 is further arranged on a pipeline connecting the first outlet of the EDI filter 5 and the second-stage pure water tank 52, the backflow branch pipe 56 is communicated with the first-stage pure water tank 32, a water quality detector and an electric control on-off valve are arranged on the backflow branch pipe 56, and the water quality detector and the electric control on-off valve are connected with the control module 4 through lines. The specific structures of the EDI filter 5, the fine mixing device 54, the water quality detector and the electric control on-off valve belong to the prior art, and therefore, the detailed description is omitted.

The tap water to be treated enters the water purifying device from the point a in figure 1; point b in fig. 1 is communicated with the water outlet of the reverse osmosis concentrated water tank 33, and the cleaning water flows back into the reverse osmosis concentrated water tank 33 from point f4 and enters the pretreatment part for cleaning by the back flush pump 331; the point c1 on the third line 63 in fig. 1 is communicated with the point c2 of the reverse osmosis concentrated water tank 33; the point d1 on the second pipe 62 in fig. 1 is communicated with the point d2 on the washing water tank 7; the point e1 in FIG. 1 is communicated with the point e3, the point e2 is communicated with the point d2, and the point e4 is communicated with the point d 2; f1 point is communicated with f2 point, f3 point is communicated with f4 point in FIG. 1; the point g1 in fig. 1 is in communication with the point g 2.

The inlet of the filtering water tank 2 is also communicated with the evaporation condensate water through a pipeline; the outlets of the sand filter 21, the carbon filter 22 and the softening filter 23 are respectively connected to a wastewater treatment and discharge system of the factory area through pipelines. The control module 4 of the device can adopt a PLC, and the specific circuit structure of the PLC belongs to the prior art, so that the detailed description is omitted. The connecting pipeline of each part of the device is provided with a pressure gauge, a flow meter, a conductivity meter and an opening and closing valve, and the corresponding pipeline can be closed at the right moment according to the numerical value on the meter, so that the safety of the device is ensured.

Claims

1. A water purifying device comprises a raw water tank (1), a raw water pump (11), a pretreatment part, a filter water tank (2), a primary high-pressure pump (31), a reverse osmosis part, a primary pure water tank (32), an EDI treatment part and a secondary pure water tank (52) which are connected in sequence through pipelines; pretreatment portion still is linked together through pipeline and water softener, is provided with PH regulation doser (67), its characterized in that on first pipeline (61) between connecting reverse osmosis portion and one-level pure water case (32): a second pipeline (62) and a third pipeline (63) are further arranged on a water outlet of the reverse osmosis part, the water outlet of the reverse osmosis part is communicated with a cleaning water tank (7) of the cleaning part through the second pipeline (62), the water outlet of the reverse osmosis part is communicated with a reverse osmosis concentrated water tank (33) through the third pipeline (63), valves capable of opening and closing corresponding pipelines are respectively arranged on the first pipeline (61), the second pipeline (62) and the third pipeline (63), the reverse osmosis concentrated water tank (33) is communicated with the second reverse osmosis part, the water outlet of the second reverse osmosis part is communicated with the filtering water tank (2) through a fourth pipeline (64), the water outlet of the second reverse osmosis part is communicated with the cleaning water tank (7) through a fifth pipeline (65), the water outlet of the second reverse osmosis part is communicated with a concentrated water storage tank (34) through a sixth pipeline (66), a first cleaning water pipe (71) of the cleaning part is communicated with a pipeline connecting a first-level high-pressure pump (31) and the reverse osmosis part, and a second cleaning water pipe (72) of the cleaning part is communicated with the pretreatment part, and the cleaning part is connected with the control module (4) through a line.

2. The water purification apparatus as recited in claim 1, wherein: the cleaning part comprises a cleaning water tank (7), a cleaning pump (73) and a cleaning filter (74), the cleaning water tank (7) is communicated with the cleaning pump (73) through a pipeline, a water outlet of the cleaning pump (73) is communicated with the cleaning filter (74) through a pipeline, a water outlet of the cleaning pump (73) is also communicated with the preprocessing part through a second cleaning water pipe (72), a water outlet of the cleaning filter (74) is communicated with a first cleaning water pipe (71), a liquid level detector (75) is arranged in the cleaning water tank (7), and the liquid level detector (75) and the cleaning pump (73) are respectively connected with the control module (4) through lines; the filter element of the cleaning filter (74) is a PPF filter membrane with the diameter of 5 mu m.

3. The water purification apparatus as recited in claim 2, wherein: the water outlet of the cleaning pump (73) is communicated with the reverse osmosis concentrated water tank (33) through the second cleaning water pipe (72), and the reverse osmosis concentrated water tank (33) is communicated with the pretreatment part through a back washing pump (331).

4. The water purification apparatus according to any one of claims 1 to 3, wherein: the pretreatment portion is including sand filter (21) that connects gradually, carbon filter (22), soften filter (23) and fine filtration filter (24), and the delivery port of water quality softener is linked together with the pipeline of connecting soften filter (23) and fine filtration filter (24), still is provided with germicide adder (27) on the connecting tube of raw water pump (11) and sand filter (21), still is provided with reductant adder (28) on the pipeline of softening filter (23) and fine filtration filter (24), germicide adder (27) are connected with control module (4) through the circuit respectively with the ooff valve of reductant adder (28).

5. The water purification apparatus as recited in claim 4, wherein: the sand filter (21) is filled with sand or anthracite, the carbon filter (22) is filled with sand or activated carbon, the softening filter (23) is filled with sand or resin, the two softening filters (23) are arranged in parallel, and a filter element of the fine filtering filter (24) is a PPF (polypropylene) filter membrane with the diameter of 5 mu m; the water softener comprises a softened salt box (25) and a softened salt delivery pump (26) which are connected with each other, and a water outlet of the softened salt delivery pump (26) is communicated with a pipeline which is connected with the softened filter (23) and the fine filter (24).

6. The water purification apparatus as recited in claim 4, wherein: the sand filter (21) and the carbon filter (22) are also communicated with a reverse inflation pump (29) through ventilation pipelines, and air pressure meters are arranged on the ventilation pipelines.

7. The water purification apparatus according to any one of claims 1 to 3, wherein: the reverse osmosis portion includes first group RO reverse osmosis unit and second group RO reverse osmosis unit, first group RO reverse osmosis unit is including four RO reverse osmosis unit (3) of parallel arrangement, second group RO reverse osmosis unit is including two RO reverse osmosis unit (3) of parallel arrangement, and the first export and the second of first group RO reverse osmosis unit are linked together, and the second export and first pipeline (61), second pipeline (62) of first group RO reverse osmosis unit are linked together, and the first export and first pipeline (61), second pipeline (62) of the second of second group RO reverse osmosis unit are linked together, and the second export and third pipeline (63) of the second of second group RO reverse osmosis unit are linked together.

8. The water purification apparatus according to any one of claims 1 to 3, wherein: the EDI treatment portion comprises an EDI pure water pump (51) and an EDI filter (5) which are sequentially connected, a first outlet of the EDI filter (5) is communicated with the second-stage pure water tank (52), and a second outlet of the EDI filter (5) is communicated with the filtering water tank (2).

9. The water purification apparatus as recited in claim 8, wherein: the second-stage pure water tank (52) is connected with a fine mixing device (54) capable of removing ions in water through a delivery pump (53), a return pipe (55) of the fine mixing device (54) is communicated with the second-stage pure water tank (52), and a water using pipe capable of conveying pure water away from the water purifying device is arranged on the return pipe (55).

10. The water purification apparatus as recited in claim 8, wherein: a backflow branch pipe (56) is further arranged on a pipeline connecting the first outlet of the EDI filter (5) and the second-stage pure water tank (52), the backflow branch pipe (56) is communicated with the first-stage pure water tank (32), a water quality detector and an electric control on-off valve are arranged on the backflow branch pipe (56), and the water quality detector and the electric control on-off valve are connected with the control module (4) through lines.