CN103613230B - Purification treatment method and device for converter valve outer cooling water - Google Patents
Purification treatment method and device for converter valve outer cooling water Download PDFInfo
- Publication number
- CN103613230B CN103613230B CN201310380656.6A CN201310380656A CN103613230B CN 103613230 B CN103613230 B CN 103613230B CN 201310380656 A CN201310380656 A CN 201310380656A CN 103613230 B CN103613230 B CN 103613230B
- Authority
- CN
- China
- Prior art keywords
- converter valve
- ultra
- reverse osmosis
- fine filter
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a purification treatment method and device for converter valve outer cooling water. The purification treatment device for converter valve outer cooling water is composed of an ultrafilter, high pressure pumps, a reverse osmosis device, an electrodeionization device and a balancing water tank which are connected in order. When the device is in operation, first, converter valve outer cooling water to be treated goes through the ultrafilter, and then the water out from the ultrafilter goes through the reverse osmosis device and an electrodeionization device through the high pressure pump and flows into the balancing water tank. The operation indexes are maintained as follows: the water outlet flow of the ultrafilter is 20-25t/h, the display value of a pollution density index meter is less than or equal to 3.0, the display value of a turbidimeter is less than or equal to 0.2NTU, the display value of a first conductivity meter is less than or equal to 15 muS/cm, the display value of a second conductivity meter is less than or equal to 0.15 muS/cm and the display value of a silicon meter is less than or equal to 20 micrograms/l. The effluent quality of converter valve outer cooling water can be close to that of ultrapure water, the blocking problem caused by scale formation of convertor station outer cooling water in the past can be solved thoroughly. The usage of the in-line meters can raise precision and accuracy of control effectively, the problem of inaccuracy of off-line measurement is solved and the safety of a convertor station is raised.
Description
Technical field
The invention belongs to high voltage dc transmission technology field, be specifically related to purifying treatment method and the device of the outer water coolant of a kind of converter valve.
Background technology
In in HVDC transmission system, cooling water system is as converter valve heat-removal system, and its running condition directly has influence on whole straight-flow system ability to transmit electricity.Outer water coolant is mainly used to cooling interior water coolant, and the quality of the cooling performance of outer water coolant is directly connected to converter valve safety and stability.
The processing of current conventional outer cold water is mainly to use softening mode by cooling water softening, and individual other current conversion station has installed reverse osmosis system additional, but unsatisfactory in actual moving process.With softening method, process outer cold water separately, often there is pipeline scale in operation for some time later; By softening+reverse osmosis, process outer water coolant, often occur reverse osmosis blockage problem.Jiangling current conversion station is processed outer water coolant by softening+reverse osmosis, and serious blockage problem appears in reverse osmosis, causes reverse osmosis system unit to equalizing reservoir moisturizing, to affect the security of DC transmission system when serious.
Summary of the invention
The purifying treatment method and the device that the object of this invention is to provide the outer water coolant of a kind of converter valve, use the method can make the outer cooling water quality of converter valve approach pure water water quality, can thoroughly solve the dirty stifled problem of outer cooling water treatment system fouling, the security that especially can greatly improve ultra-high/extra-high voltage current conversion station simultaneously.
Technical solution of the present invention is:
The purifying treatment method of the outer water coolant of converter valve provided by the present invention, carries out according to the following steps:
Outside the converter valve that step 1, the ultra-fine filter by connecting successively, high-pressure pump, reverse osmosis, electric salt remover, equalizing reservoir form in the purifying processing device of water coolant, an outlet Silt density index table (SDI) in parallel and a turbidimeter at described ultra-fine filter, at the outlet first specific conductivity table in parallel of described reverse osmosis, at outlet the second specific conductivity table in parallel and a silicon table of described electric desalination;
When the purifying processing device of step 2, the outer water coolant of converter valve moves, by the outer water coolant of pending converter valve first after ultra-fine filter, by high-pressure pump, ultra-fine filter water outlet is flowed into equalizing reservoir through reverse osmosis, electric salt remover successively again, the operating index of device remains on ultra-fine filter water flow 20～25t/h, Silt density index table displayed value≤3.0, turbidimeter displayed value≤0.2NTU, the first specific conductivity table displayed value≤15 μ S/cm, the second specific conductivity table displayed value≤0.15 μ S/cm, silicon table displayed value≤20 μ g/l;
Step 3, use ordinary method are determined the backwash time of ultra-fine filter, reverse osmosis and the blowing time of electric salt remover, keep effluent quality to meet above-mentioned operating index.
The purifying processing device of the outer water coolant of converter valve provided by the present invention, comprise the ultra-fine filter, high-pressure pump, reverse osmosis, electric salt remover, the equalizing reservoir that connect successively, the import of described ultra-fine filter is connected with running water pipe, the outlet of ultra-fine filter is parallel with turbidimeter and Silt density index table (SDI), outlet the first specific conductivity table in parallel in described reverse osmosis, exports the second specific conductivity table in parallel and a silicon table at described electric desalination.
Described high-pressure pump is at least two, and described reverse osmosis is two sections of one-levels.
The invention has the beneficial effects as follows, can accurately control outer cooling water quality, make the outer water coolant effluent quality of converter valve approach ultrapure water, can thoroughly solve the blockage problem that the outer cooling water scaling of current conversion station causes in the past; Automation degree of equipment is high, realizes unmanned completely, has obtained effective prolongation work-ing life, and long-term economic benefit is obvious; The use of in-line meter has effectively improved precision and the accuracy controlled, has overcome the inaccurate problem of off-line measurement, and the security that has improved current conversion station had also overcome in the past the regularly lag-effect of off-line sample examination water quality simultaneously.
Below in conjunction with accompanying drawing, further illustrate technical scheme of the present invention.
Accompanying drawing explanation
Accompanying drawing is the structural representation of apparatus of the present invention.
Embodiment
The purifying processing device of the outer water coolant of converter valve provided by the present invention, as shown in drawings, comprise the ultra-fine filter 2, high-pressure pump 3, reverse osmosis 4, electric salt remover 5, the equalizing reservoir 6 that connect successively, the import of described ultra-fine filter 2 is connected with running water pipe, the outlet of ultra-fine filter 2 is parallel with turbidimeter 10 and Silt density index (SDI) table 11, outlet the first specific conductivity table 9 in parallel in described reverse osmosis 4, outlet the second specific conductivity table 8 in parallel and a silicon table 7 at described electric desalination 5, described high-pressure pump 3 is at least two, and described reverse osmosis 4 is two sections of one-levels.
The 2540HR ultra-filtration membrane device that ultra-fine filter adopts U.S. Koch company to produce, design rating 30t/h; Reverse osmosis adopts the reverse osmosis unit of the production BW30-400 of LG-DOW company type, design rating 25t/h; The electric salt remover that the processing water yield that electric salt remover adopts Lai Te Rider, Dalian company to produce is 25t/h, SDI table adopts the online SDI of EZ-SDI-1D-A type being produced by U.S. Luo Di company to show, the 1720E type turbidimeter that turbidimeter adopts U.S. Hash company to produce, the polymetron 9125 type electric conductivity tables that specific conductivity table adopts U.S. Hash company to produce, the Polymetron 9210 type silicon tables that silicon table adopts state Hash company to produce
When apparatus of the present invention are used, by running water pipe 1, inject endlessly the tap water as the outer water coolant of converter valve to ultra-fine filter 2, tap water is first after ultra-fine filter 2, by high-pressure pump 3, ultrafiltration water outlet is passed through to reverse osmosis 4 successively again, electric salt remover 5 flows into pond, Hengshui 6, operating index remains on ultra-fine filter 2 water flow 20～25t/h, Silt density index (SDI) table 11 displayed value≤3.0, turbidimeter 10 displayed values≤0.2NTU, the first specific conductivity table 9 displayed value≤15 μ S/cm, the second specific conductivity table 8 displayed value≤0.15 μ S/cm, silicon table 7 displayed value≤20 μ g/l, use ordinary method to determine the backwash time of ultra-fine filter, reverse osmosis and the blowing time of electric salt remover, keep effluent quality to meet These parameters requirement.
The outer water coolant of converter valve is after ultra-fine filter 2, and particulate, macromole etc. are because sieving action is trapped, and the most of colloid silicon containing in water is removed, thereby can remove a large amount of organism etc. simultaneously, water is purified.Observe SDI table 11 and turbidimeter 10 and can conveniently control the operation conditions of ultra-fine filter 2, ultra-fine filter 2 water outlets enter reverse osmosis 4 through high-pressure pump 3, various mineral ions, colloidalmaterial and macromole solute in reverse osmosis 4 energy trap water, thereby obtain purer water, finally by crossing electric salt remover 5, can obtain ultrapure water inflow equalizing reservoir 6, after a series of water technology, can thoroughly solve the problem of fouling.Online specific conductivity table 8,9 use can realize more accurately to be controlled, and exempts regular off-line sample examination water quality simultaneously, has improved tolerance range and accuracy.
Claims (1)
1. a purifying treatment method for the outer water coolant of converter valve, is characterized in that carrying out according to the following steps:
Outside the converter valve that step 1, the ultra-fine filter by connecting successively, high-pressure pump, reverse osmosis, electric salt remover, equalizing reservoir form in the purifying processing device of water coolant, an outlet Silt density index table in parallel and a turbidimeter at described ultra-fine filter, outlet the first specific conductivity table in parallel in described reverse osmosis, exports the second specific conductivity table in parallel and a silicon table at described electric desalination;
When the purifying processing device of step 2, the outer water coolant of converter valve moves, by the outer water coolant of pending converter valve first after ultra-fine filter, by high-pressure pump, ultra-fine filter water outlet is flowed into equalizing reservoir through reverse osmosis, electric salt remover successively again, the operating index of device remains on ultra-fine filter water flow 20～25t/h, Silt density index table displayed value≤3.0, turbidimeter displayed value≤0.2NTU, the first specific conductivity table displayed value≤15 μ S/cm, the second specific conductivity table displayed value≤0.15 μ S/cm, silicon table displayed value≤20 μ g/l;
Step 3, use ordinary method are determined the backwash time of ultra-fine filter, reverse osmosis and the blowing time of electric salt remover, keep effluent quality to meet above-mentioned operating index.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310380656.6A CN103613230B (en) | 2013-08-28 | 2013-08-28 | Purification treatment method and device for converter valve outer cooling water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310380656.6A CN103613230B (en) | 2013-08-28 | 2013-08-28 | Purification treatment method and device for converter valve outer cooling water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103613230A CN103613230A (en) | 2014-03-05 |
| CN103613230B true CN103613230B (en) | 2014-12-03 |
Family
ID=50163959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310380656.6A Active CN103613230B (en) | 2013-08-28 | 2013-08-28 | Purification treatment method and device for converter valve outer cooling water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103613230B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394551A (en) * | 2011-09-30 | 2012-03-28 | 广州高澜节能技术股份有限公司 | Direct current transmission converter valve cooling system |
| CN202590446U (en) * | 2012-03-27 | 2012-12-12 | 许继集团有限公司 | Circulating water sand filtering device of converter valve cooling system |
| CN202865040U (en) * | 2012-10-29 | 2013-04-10 | 郑州恒博科技有限公司 | Zero-release treatment system of external circulation cooling water for direct-current converter station |
| CN203461911U (en) * | 2013-08-28 | 2014-03-05 | 湖南省湘电试验研究院有限公司 | Purification treatment device for outer cooling water of converter valves |
-
2013
- 2013-08-28 CN CN201310380656.6A patent/CN103613230B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394551A (en) * | 2011-09-30 | 2012-03-28 | 广州高澜节能技术股份有限公司 | Direct current transmission converter valve cooling system |
| CN202590446U (en) * | 2012-03-27 | 2012-12-12 | 许继集团有限公司 | Circulating water sand filtering device of converter valve cooling system |
| CN202865040U (en) * | 2012-10-29 | 2013-04-10 | 郑州恒博科技有限公司 | Zero-release treatment system of external circulation cooling water for direct-current converter station |
| CN203461911U (en) * | 2013-08-28 | 2014-03-05 | 湖南省湘电试验研究院有限公司 | Purification treatment device for outer cooling water of converter valves |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103613230A (en) | 2014-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201735918U (en) | Cutting working solution treatment and circular treatment device of linear cutting machine | |
| CN102329018B (en) | Device for desalting sea water by low-pressure membrane method | |
| CN203639256U (en) | Mobile membrane water treatment technology platform | |
| CN204174012U (en) | Pure water processor | |
| CN202729915U (en) | Low-yield single-pump two-stage reverse osmosis system | |
| CN203411416U (en) | Small-sized reverse-osmosis water purifier for offshore operations | |
| CN203461911U (en) | Purification treatment device for outer cooling water of converter valves | |
| CN103613230B (en) | Purification treatment method and device for converter valve outer cooling water | |
| CN202808519U (en) | Purified water reverse osmosis system | |
| CN203461913U (en) | Treatment device for cooling water in converter substation | |
| CN204224377U (en) | Desulphurization denitration high-salt wastewater reclamation set | |
| CN202208663U (en) | Seawater desalination treatment equipment | |
| CN203461912U (en) | Purification treatment device for inner cooling water of converter valves | |
| CN102329019B (en) | Ultralow-pressure membrane separation device for desalinating bitter and salty water | |
| CN103626311A (en) | Low-yield single-pump two-stage reverse osmosis system | |
| CN103435197B (en) | Method and device for treating cooling water of convertor station | |
| CN102826676B (en) | Irradiation industry well-source water on-line circular processing system | |
| CN205023991U (en) | Preliminary treatment and soft one -level reverse osmosis unit | |
| CN211813846U (en) | Intelligent nanofiltration and reverse osmosis water treatment system | |
| CN203411415U (en) | Small-sized seawater desalinating device | |
| CN203558929U (en) | Desalted water production system | |
| CN202297261U (en) | Sea water desalination device using low-pressure membrane method | |
| CN103435196B (en) | Method and device for purification treatment of cooling water in converter valve | |
| CN201470315U (en) | Movable bidirectional electrophoretic coating closed cycle ultrafiltration device | |
| CN204417237U (en) | A kind of factory reverse osmosis water purifying plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |