CN209957582U - Fresh water device capable of automatically flushing - Google Patents
Fresh water device capable of automatically flushing Download PDFInfo
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- CN209957582U CN209957582U CN201920600633.4U CN201920600633U CN209957582U CN 209957582 U CN209957582 U CN 209957582U CN 201920600633 U CN201920600633 U CN 201920600633U CN 209957582 U CN209957582 U CN 209957582U
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- reverse osmosis
- pipeline
- water
- desalination
- outlet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Physical Water Treatments (AREA)
Abstract
The utility model provides a desalination device that can wash automatically, one-level reverse osmosis pump is linked together with preliminary treatment portion, one-level reverse osmosis pump is linked together through first pipeline and one-level reverse osmosis ware, one-level reverse osmosis ware is linked together through second pipeline and transition water tank, second grade branch osmotic pump is linked together with the transition water tank, second grade reverse osmosis pump is linked together through third pipeline and second grade reverse osmosis ware, second grade branch osmotic ware is linked together through fourth pipeline and pure water tank, be provided with the conductivity table on second pipeline and fourth pipeline respectively, control module passes through the circuit and one-level reverse osmosis pump, second grade reverse osmosis pump, conductivity table and washing unit's switching valve is connected, washing unit's delivery port respectively with first pipeline, the third pipeline is linked together, washing unit's water inlet is linked together with second pipeline, fourth pipeline respectively. The advantages are that: degree of automation is high, realizes the real-time regulation to one-level reverse osmosis portion and second grade reverse osmosis portion, has reduced the flush fluid and has discharged.
Description
Technical Field
The utility model relates to a water treatment field especially indicates a fresh water device that can wash automatically.
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 utility model discloses a have that structural configuration is reasonable, the installation maintains convenient characteristics, the ultrapure water purity that makes is high, the water yield is big, applicable in the ultrapure water equipment of 15T. 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 green, degree of automation is high, can strain the desalination water installation that salt efficiency when reducing automatic washed at the reverse osmosis membrane.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: this ability automatic washing's desalination water installation, including preliminary treatment portion, one-level reverse osmosis portion, second grade reverse osmosis portion and EDI desalination portion, one-level reverse osmosis portion includes one-level reverse osmosis pump and one-level reverse osmosis ware, the import of one-level reverse osmosis pump is linked together with the export of preliminary treatment portion, and the export of one-level reverse osmosis pump is linked together through first pipeline and one-level reverse osmosis ware, and one-level reverse osmosis ware is linked together through second pipeline and transition water tank, second grade reverse osmosis portion includes second grade reverse osmosis pump and second grade reverse osmosis ware, the import of second grade reverse osmosis pump is linked together with the transition water tank, and the export of second grade reverse osmosis pump is linked together through third pipeline and second grade reverse osmosis ware, and second grade branch permeator is linked together its characterized: the desalination device still includes washing unit and control module, is provided with the conductivity meter respectively on second pipeline and fourth pipeline, control module is connected with one-level reverse osmosis pump, second grade reverse osmosis pump, conductivity meter and washing unit's switching valve through the circuit, and washing unit's delivery port is linked together with first pipeline, third pipeline respectively, and washing unit's water inlet is linked together with second pipeline, fourth pipeline respectively, and when the numerical value of arbitrary conductivity meter was greater than the setting value, control module closed corresponding reverse osmosis pump and opened washing unit and wash the pipeline that corresponds.
As an improvement, the first-stage reverse osmosis device can be preferably formed by connecting N reverse osmosis devices in parallel, part of the outlet water of the N reverse osmosis devices is collected by a pipeline and then enters a second pipeline, the other part of the outlet water of the N reverse osmosis devices is collected by a pipeline and then enters a first water discharge pipe, and a first electric valve which can be controlled to be opened and closed by a control module is arranged on the first water discharge pipe; the second-stage reverse osmosis device is formed by connecting M reverse osmosis devices in parallel, part of outlet water of the M reverse osmosis devices is collected by a pipeline and then enters a fourth pipeline, the other part of outlet water of the M reverse osmosis devices is collected by a pipeline and then enters a second drain pipe, a second electric valve which can be controlled to be opened and closed by a control module is arranged on the second drain pipe, and N, M is a natural number not less than 1.
The improved flushing device comprises a flushing water tank, a flushing pump and an impurity filter which are sequentially connected, wherein a filter element of the impurity filter is a 5 mu m PF filter element.
As an improvement, a water outlet of the EDI desalting part is communicated with a desalting water tank through a pipeline, the desalting water tank is communicated with an ultraviolet sterilizer through a desalting water pump, and the ultraviolet sterilizer is communicated with a water pipeline.
The outlet of the ultraviolet sterilizer is respectively communicated with a heating pipe and a cooling pipe, a heat exchanger which can be introduced with steam is arranged on the heating pipe, the heating pipe is communicated with a hot water pipeline, a heat exchanger which can be introduced with cooling water is arranged on the cooling pipe, and the cooling pipe is communicated with a cold water pipeline.
According to further improvement, the EDI desalination part comprises N EDI desalination devices, the N EDI desalination devices are arranged in parallel, each EDI desalination device is provided with a first outlet and a second outlet, desalinated water leaving the EDI desalination devices from the first outlets is collected and then enters a desalinated water tank, desalinated water leaving the EDI desalination devices from the second outlets returns to the pretreatment part, and N is a natural number not less than 1.
The pipeline between the water outlet of the EDI desalination part and the desalination water tank is provided with a conductivity meter and a three-way valve, the three-way valve can be communicated with the transition water tank, the conductivity meter and the three-way valve are connected with the control module through a line, when the numerical value of the conductivity meter is greater than a set value, the three-way valve is communicated with the transition water tank and is not communicated with the desalination water tank, and the desalinated water leaving from the water outlet of the EDI desalination part returns to the transition water tank for retreatment.
As an improvement, the pretreatment part comprises a quartz sand filter, an activated carbon filter and a precision filter which are sequentially connected, and a filter element of the precision filter is a 5 mu mPF filter element.
The improvement is further improved, be provided with on the connecting tube between active carbon filter and precision filter can to the connecting tube add the doser of flocculation agent, be provided with the doser motorised valve that can control the doser and open and close on the doser, the doser motorised valve is connected with control module through the circuit.
The quartz sand filter is characterized in that a water inlet of the quartz sand filter is communicated with a water outlet of a water inlet pump through a pipeline, a water inlet of the water inlet pump is communicated with an outlet of a raw water tank, a start-stop valve of the water inlet pump is connected with a control module through a circuit, a first outlet and a second outlet are arranged in the EDI desalting part, the first outlet is communicated with a water using pipeline, and the second outlet is communicated with the raw water tank through a pipeline.
Compared with the prior art, the utility model has the advantages of: the control module can timely control the flushing device to flush the corresponding reverse osmosis device according to the numerical values of the conductivity meters on the second pipeline and the third pipeline, the automation degree is high, the reverse osmosis membrane is good in recovery effect, the first-stage reverse osmosis part and the second-stage reverse osmosis part are adjusted in real time, and the flushing device is flushedThe first-stage reverse osmosis part and the second-stage reverse osmosis part can be quickly put into reverse osmosis work, so that the continuous operation of the water desalination process is ensured, and the water desalination effect is improved; the flushing water after flushing is not directly discharged, but returns to the flushing device from the second pipeline and the fourth pipeline for filtering and then is reused, so that the flushing liquid discharge is reduced, the resource utilization rate is high, and the flushing device is more environment-friendly; a medicine adding device can be additionally arranged in the pretreatment part, and the medicine in the medicine adding device is used for adding suspended matters, carbonate, sulfate and Ca2+、Mg2+Removing chemical scaling of ions to prevent damage to a reverse osmosis membrane of the reverse osmosis part; the water desalted by the EDI desalter can be subjected to ultraviolet sterilization, shunt heating and cooling treatment, so that the water quality is cleaner and different temperature requirements are met.
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 desalination water device capable of automatic flushing of the present embodiment includes a pre-treatment unit, a first reverse osmosis unit, a second reverse osmosis unit and an EDI desalination unit, the first reverse osmosis unit includes a first reverse osmosis pump 21 and a first reverse osmosis unit 2, an inlet of the first reverse osmosis pump 21 is communicated with an outlet of the pre-treatment unit, an outlet of the first reverse osmosis pump 21 is communicated with the first reverse osmosis unit 2 through a first pipe 31, the first reverse osmosis unit 2 is communicated with a transition water tank 22 through a second pipe 32, the second reverse osmosis unit includes a second reverse osmosis pump 41 and a second reverse osmosis unit 4, an inlet of the second reverse osmosis pump 41 is communicated with the transition water tank 22, an outlet of the second reverse osmosis pump 41 is communicated with the second reverse osmosis unit 4 through a third pipe 33, the second reverse osmosis unit 4 is communicated with a pure water tank 42 through a fourth pipe 34, the desalination water device further includes a flushing device and a control, the electric conductivity meter 35 is respectively arranged on the second pipeline 32 and the fourth pipeline 34, the control module 5 is connected with the first-level reverse osmosis pump 21, the second-level reverse osmosis pump 41, the electric conductivity meter 35 and the switch valve of the flushing device through a circuit, the water outlet of the flushing device is respectively communicated with the first pipeline 31 and the third pipeline 33, the water inlet of the flushing device is respectively communicated with the second pipeline 32 and the fourth pipeline 34, and when the numerical value of any electric conductivity meter 35 is larger than a set value, the control module 5 closes the corresponding reverse osmosis pump and opens the flushing device to flush the corresponding pipeline. The first-stage reverse osmosis device 2 is formed by connecting N reverse osmosis devices in parallel, part of the outlet water of the N reverse osmosis devices is collected by a pipeline and then enters a second pipeline 32, the other part of the outlet water of the N reverse osmosis devices is collected by a pipeline and then enters a first water discharge pipe 36, and a first electric valve 37 which can be controlled to be opened and closed by a control module 5 is arranged on the first water discharge pipe 36; the second-stage reverse osmosis device 4 is formed by connecting M reverse osmosis devices in parallel, part of the water discharged from the M reverse osmosis devices is collected by a pipeline and then enters a fourth pipeline 34, the other part of the water discharged from the M reverse osmosis devices is collected by a pipeline and then enters a second water discharge pipe 38, a second electric valve 39 which can be controlled to be opened and closed by a control module 5 is arranged on the second water discharge pipe 38, and N, M is a natural number not less than 1. The flushing device comprises a flushing water tank 6, a flushing pump 61 and an impurity filter 62 which are connected in sequence, wherein the filter element of the impurity filter 62 is a 5 mu m PF filter element.
The water outlet of the EDI desalination part is communicated with a desalination water tank 7 through a pipeline, the desalination water tank 7 is communicated with an ultraviolet sterilizer 8 through a desalination water pump 72, and the ultraviolet sterilizer 8 is communicated with a water pipeline. The outlet of the ultraviolet sterilizer 8 is respectively communicated with a heating pipe 81 and a cooling pipe 82, a heat exchanger 83 which can be introduced with steam is arranged on the heating pipe 81, the heating pipe 81 is communicated with a hot water pipeline 84, a heat exchanger 85 which can be introduced with cooling water is arranged on the cooling pipe 82, and the cooling pipe 82 is communicated with a cold water pipeline 86. The EDI desalination portion comprises N EDI desalination devices 71, the N EDI desalination devices 71 are arranged in parallel, each EDI desalination device 71 is provided with a first outlet and a second outlet, desalinated water leaving the EDI desalination device 71 from the first outlet is collected and then enters the desalination water tank 7, desalinated water leaving the EDI desalination device 71 from the second outlet returns to the pretreatment portion, and N is a natural number not less than 1. A conductivity meter 35 and a three-way valve 30 are arranged on a pipeline between the water outlet of the EDI desalination part and the desalination water tank 7, the three-way valve 30 can be communicated with the transition water tank 22, the conductivity meter 35 and the three-way valve 30 are connected with the control module 5 through a line, when the value of the conductivity meter 35 is larger than a set value, the three-way valve 30 is communicated with the transition water tank 22 and the three-way valve 30 is not communicated with the desalination water tank 7, and the desalinated water leaving from the water outlet of the EDI desalination part is returned to the transition water tank 22 for retreatment. The specific structures of the heat exchanger 83 and the heat exchanger 85 are well known in the art and will not be described in detail.
The pretreatment part comprises a quartz sand filter 11, an activated carbon filter 12 and a precision filter 13 which are sequentially connected, wherein the filter element of the precision filter 13 is a 5 mu mPF filter element. Be provided with on the connecting tube between active carbon filter 12 and precision filter 13 can to the connecting tube add the doser 14 of flocculation agent, be provided with doser motorised valve 15 that can control doser 14 and open and close on the doser 14, doser motorised valve 15 is connected with control module 5 through the circuit. The formula of the flocculating agent belongs to the prior art, so detailed description is omitted. The water inlet of the quartz sand filter 11 is communicated with the water outlet of the water inlet pump 16 through a pipeline, the water inlet of the water inlet pump 16 is communicated with the outlet of the raw water tank 1, the start-stop valve of the water inlet pump 16 is connected with the control module 5 through a circuit, a first outlet and a second outlet are arranged in the EDI desalination part, the first outlet is communicated with a water using pipeline, and the second outlet is communicated with the raw water tank 1 through a pipeline.
The dashed lines in the figure represent circuit connections. The point b in the figure indicates that the pipeline corresponding to the point b is communicated with the raw water tank 1, and the point a in the figure indicates that the pipeline corresponding to the point a is communicated with the transition water tank 22. Point c in the figure indicates the corresponding connection point of the water outlet of the flushing device, and flushing water leaving from the water outlet c of the flushing device enters the first pipe 31 and the third pipe 33 from the point c of the first pipe 31 and the point c of the third pipe 33 respectively; the point d in the figure indicates the corresponding connection point of water entering the flushing device, and the washing water discharged from the point d of the second pipeline 32, the point d of the fourth pipeline 34, the point d of the first drain pipe 36 and the point d of the second drain pipe 38 enters the flushing device from the water inlet d of the flushing device.
The pure water tank 42 is communicated with the EDI desalination part through a pure water pump 43.
The original water tank 1, the transition water tank 22, the pure water tank 42 and the desalination water tank 7 are all provided with liquid level sensors 17, the liquid level sensors 17 are all connected with the control module 5 through lines, and the specific structure of the liquid level sensors 17 belongs to the known technology and is not described in detail. Each pipeline can be provided with a pressure gauge, a pressure sensor, a flowmeter and a temperature meter, so that the real-time monitoring of each pipeline is realized.
The specific circuit structure of the control module 5 adopted in the method belongs to the prior art, the specific structures of the reverse osmosis devices used by the primary reverse osmosis device 2 and the secondary reverse osmosis device 4 belong to the known technology, and the specific structures of the ultraviolet sterilizer 8, the EDI desalination device 71 and the doser 14 also belong to the prior art, so the detailed description is omitted.
Claims (10)
1. The utility model provides a desalination water installation that can wash automatically, includes pretreatment portion, one-level reverse osmosis portion, second grade reverse osmosis portion and EDI desalination portion, one-level reverse osmosis portion includes one-level reverse osmosis pump (21) and one-level reverse osmosis ware (2), the import of one-level reverse osmosis pump (21) is linked together with the export of pretreatment portion, and the export of one-level reverse osmosis pump (21) is linked together through first pipeline (31) and one-level reverse osmosis ware (2), and one-level reverse osmosis ware (2) are linked together through second pipeline (32) and transition water tank (22), second grade reverse osmosis portion includes second grade reverse osmosis pump (41) and second grade reverse osmosis ware (4), the import and the transition water tank (22) of second grade reverse osmosis pump (41) are linked together, and the export of second grade reverse osmosis pump (41) is linked together through third pipeline (33) and second grade reverse osmosis ware (4), and second grade reverse osmosis ware (4) are linked together through fourth pipeline (34) and pure water tank (, the method is characterized in that: the desalination device still includes washing unit and control module (5), is provided with conductivity meter (35) on second pipeline (32) and fourth pipeline (34) respectively, control module (5) are connected with one-level reverse osmosis pump (21), second grade reverse osmosis pump (41), conductivity meter (35) and washing unit's switch valve through the circuit, and washing unit's delivery port is linked together with first pipeline (31), third pipeline (33) respectively, and washing unit's water inlet is linked together with second pipeline (32), fourth pipeline (34) respectively, and when the numerical value of arbitrary conductivity meter (35) was greater than the setting value, control module (5) closed the reverse osmosis pump that corresponds and opened washing unit and wash the pipeline that corresponds.
2. The desalination device of claim 1, wherein: the first-stage reverse osmosis device (2) is formed by connecting N reverse osmosis devices in parallel, part of outlet water of the N reverse osmosis devices is collected by a pipeline and then enters a second pipeline (32), the other part of outlet water of the N reverse osmosis devices is collected by a pipeline and then enters a first water discharge pipe (36), and a first electric valve (37) which can be controlled to be opened and closed by a control module (5) is arranged on the first water discharge pipe (36); the secondary reverse osmosis device (4) is formed by connecting M reverse osmosis devices in parallel, partial outlet water of the M reverse osmosis devices is collected by a pipeline and then enters a fourth pipeline (34), the other part of outlet water of the M reverse osmosis devices is collected by a pipeline and then enters a second water discharge pipe (38), a second electric valve (39) which can be controlled to be opened and closed by a control module (5) is arranged on the second water discharge pipe (38), and N, M is a natural number not less than 1.
3. The desalination device of claim 2, wherein: the flushing device comprises a flushing water tank (6), a flushing pump (61) and an impurity filter (62) which are sequentially connected, wherein a filter element of the impurity filter (62) is a 5 mu mPF filter element.
4. The desalination apparatus of any one of claims 1-3, wherein: the water outlet of the EDI desalination part is communicated with a desalination water tank (7) through a pipeline, the desalination water tank (7) is communicated with an ultraviolet sterilizer (8) through a desalination water pump (72), and the ultraviolet sterilizer (8) is communicated with a water pipeline.
5. The desalination device of claim 4, wherein: the outlet of the ultraviolet sterilizer (8) is respectively communicated with a heating pipe (81) and a cooling pipe (82), a heat exchanger (83) which can be introduced with steam is arranged on the heating pipe (81), the heating pipe (81) is communicated with a hot water pipeline (84), a heat exchanger (85) which can be introduced with cooling water is arranged on the cooling pipe (82), and the cooling pipe (82) is communicated with a cold water pipeline (86).
6. The desalination device of claim 4, wherein: the EDI desalination portion comprises N EDI desalination devices (71), the N EDI desalination devices (71) are arranged in parallel, each EDI desalination device (71) is provided with a first outlet and a second outlet, desalinated water leaving the EDI desalination device (71) from the first outlet is collected and then enters the desalination water tank (7), desalinated water leaving the EDI desalination device (71) from the second outlet returns to the pretreatment portion, and N is a natural number not less than 1.
7. The desalination device of claim 4, wherein: the pipeline between the water outlet of the EDI desalination part and the desalination water tank (7) is provided with a conductivity meter (35) and a three-way valve (30), the three-way valve (30) can be communicated with the transition water tank (22), the conductivity meter (35) and the three-way valve (30) are connected with the control module (5) through a line, when the value of the conductivity meter (35) is larger than a set value, the three-way valve (30) is communicated with the transition water tank (22) and the three-way valve (30) is not communicated with the desalination water tank (7), and the desalinated water leaving from the water outlet of the EDI desalination part returns to the transition water tank (22) for retreatment.
8. The desalination apparatus of any one of claims 1-3, wherein: the pretreatment part comprises a quartz sand filter (11), an activated carbon filter (12) and a precision filter (13) which are sequentially connected, and a filter element of the precision filter (13) is a 5 mu mPF filter element.
9. The desalination device of claim 8, wherein: be provided with on the connecting tube between activated carbon filter (12) and precision filter (13) can to connecting tube add doser (14) of flocculation agent, be provided with doser motorised valve (15) that can control doser (14) and open and close on doser (14), doser motorised valve (15) are connected with control module (5) through the circuit.
10. The desalination device of claim 8, wherein: the water inlet of the quartz sand filter (11) is communicated with the water outlet of the water inlet pump (16) through a pipeline, the water inlet of the water inlet pump (16) is communicated with the outlet of the original water tank (1), the start-stop valve of the water inlet pump (16) is connected with the control module (5) through a circuit, a first outlet and a second outlet are arranged in the EDI desalting part, the first outlet is communicated with a water pipeline, and the second outlet is communicated with the original water tank (1) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920600633.4U CN209957582U (en) | 2019-04-28 | 2019-04-28 | Fresh water device capable of automatically flushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920600633.4U CN209957582U (en) | 2019-04-28 | 2019-04-28 | Fresh water device capable of automatically flushing |
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| Publication Number | Publication Date |
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| CN209957582U true CN209957582U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920600633.4U Active CN209957582U (en) | 2019-04-28 | 2019-04-28 | Fresh water device capable of automatically flushing |
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| Country | Link |
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| CN (1) | CN209957582U (en) |
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2019
- 2019-04-28 CN CN201920600633.4U patent/CN209957582U/en active Active
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