CN209456120U - A kind of electric generator inner cooling water process optimization system - Google Patents
A kind of electric generator inner cooling water process optimization system Download PDFInfo
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- CN209456120U CN209456120U CN201822171851.9U CN201822171851U CN209456120U CN 209456120 U CN209456120 U CN 209456120U CN 201822171851 U CN201822171851 U CN 201822171851U CN 209456120 U CN209456120 U CN 209456120U
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Abstract
The utility model discloses a kind of electric generator inner cooling water process optimization systems, including inner cold water case, resin catcher, inner cold water ultrapurification plant and inner cold water pump, the water outlet of cold water storage cistern is pumped by inner cold water to be connected with inner cold water ultrapurification plant water inlet, the delivery outlet of inner cold water ultrapurification plant is connected by resin catcher with cold water storage cistern refluxing opening, it further include inner cold water adder-subtractor, PH table and conductivity table, the water outlet of the adder-subtractor is connect with inner cold water ultrapurification plant water outlet, PH table and conductivity table are arranged on the water inlet of inner cold water ultrapurification plant.The utility model is not in the case where changing original method of operation, a set of adder-subtractor is installed in the outlet of electric generator inner cooling water ion exchange mixed bed, 0.1% NAOH solution is added into inner cold water using micro electromagnetic dosing pump, according to online PH table and conductivity table data, with the start and stop of DCS control dosing pump, cooperate former ion-exchange treatment process, compensates its defect and defect.
Description
Technical field
The utility model relates to electric generator inner cooling water-treatment technology field more particularly to a kind of electric generator inner cooling water process are excellent
Change system.
Background technique
Currently, water- cooling generator first wife has a set of ion exchange mixed bed, electric generator inner cooling water 5%~10% is handed over by ion
Inner cold water case is returned after changing the processing of small mixed bed, increases inner cold water PH by the small mixed bed of ion exchange, while by system conductance
Rate lowers, but with the development of technology, existing index request is also higher and higher, in existing equipment, due to this processing
The limitation of technique itself, treated, and inner cold water pH value is run between 7~7.8 for a long time, and conductivity is in 0.2-0.4 μ S/cm.
Copper content 2.0-5.0 μ g/L, and the above results are not able to satisfy new implementation standard regulation: DL/T801-2010 " large size power generation
Quality of cooling water and system specifications in machine ", so being badly in need of making improvements.
Utility model content
The purpose of the utility model is to provide a kind of electric generator inner cooling water process optimization systems, can not change in original
In the case where the cold water treatment method of operation, it is made to meet the requirement of new standard.
The technical solution adopted in the utility model are as follows:
A kind of electric generator inner cooling water process optimization system, including inner cold water case, resin catcher, inner cold water ultrapurification plant
It is pumped with inner cold water, the water outlet of cold water storage cistern is pumped by inner cold water to be connected with inner cold water ultrapurification plant water inlet, and inner cold water is ultra-clean
Disguise the delivery outlet set to be connected by resin catcher with cold water storage cistern refluxing opening, further includes inner cold water adder-subtractor, PH table and electricity
The water outlet of conductance table, the adder-subtractor is connect with inner cold water ultrapurification plant water outlet, and PH table and conductivity table are all provided with
It sets on the water inlet of inner cold water ultrapurification plant；The inner cold water adder-subtractor includes molten medicine-chest, dosing pump, dosing pump
Outlet valve, check (non-return) valve, circuit safety valve, filter, medicine-chest outlet valve, medicine-chest blowdown valve, DCS, touch screen and medicine-chest inlet valve；
There is PH to adjust liquid in molten medicine-chest, and molten medicine-chest upper end is provided with water inlet and dosing mouth, bottom is provided with water outlet and sewage draining exit；
The water outlet of the molten medicine-chest passes sequentially through medicine-chest outlet valve, filter is connected with the entrance of dosing pump, the outlet of dosing pump
All the way by being connected at the top of circuit safety valve and molten medicine-chest, filter, dosing pump outlet valve are set gradually in another way and stopping
Inverse valve, for connecting inner cold water ultrapurification plant water inlet；Medicine-chest blowdown valve is fixed at the sewage draining exit of molten medicine-chest bottom,
Medicine-chest inlet valve is fixed at molten medicine-chest water inlet；The touch screen and DCS control connect, the output end difference of DCS
Control connection dosing pump, dosing pump outlet valve, circuit safety valve, medicine-chest outlet valve, medicine-chest blowdown valve and medicine-chest inlet valve.
It further include having the first, second magnetic double level gauge, first, second magnetic double level gauge is fixedly installed respectively
On upper inner wall and lower inner wall in molten medicine-chest, for monitoring liquid level in molten medicine-chest, the first, second magnetic turning plate liquid
Position meter output end is separately connected the input terminal of DCS.
The dosing pump is micro electromagnetic dosing pump.
The NAOH solution that PH adjustment liquid in the molten medicine-chest is 0.1%.
The utility model is exported in the case where not changing original method of operation in electric generator inner cooling water ion exchange mixed bed
A set of adder-subtractor is installed, 0.1% NAOH solution is added into inner cold water using micro electromagnetic dosing pump, according to online PH table
Cooperate former ion-exchange treatment process with the start and stop of DCS control dosing pump with conductivity table data, compensates its defect and defect.
After the device processes installation and operation, it ensure that and run between electric generator inner cooling water pH value 8~8.5, generally 8.2 or so；Conductance
Rate is in 0.6-1.5us/cm, copper content 2.0-5.0 μ g/L.Slightly rise although conductivity controls standard, meets DL/
The new standards such as T801-2010 " Large Generator Internal Cooling Water Quality and system specifications " and " 25 counter arrange ": pH8~9, conductance
0.4~2.0 μ S/cm of rate, copper content≤20 μ g/L) it requires.
Detailed description of the invention
Fig. 1 is the electrical principle block diagram of the utility model；
Fig. 2 is the electrical principle block diagram of adder-subtractor described in the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
As illustrated in fig. 1 and 2, the utility model includes inner cold water case 21, resin catcher 25, inner cold water ultrapurification plant 24
It is connected by inner cold water pump 22 with 24 water inlet of inner cold water ultrapurification plant with the water outlet of inner cold water pump 22, cold water storage cistern 21, it is interior
The delivery outlet of cold water ultrapurification plant 24 is connected by resin catcher 25 with 21 refluxing opening of cold water storage cistern, further includes that inner cold water adds alkali
The water outlet of device 23, the adder-subtractor 23 is connect with 24 water outlet of inner cold water ultrapurification plant, and the inner cold water adds
Alkali device includes molten medicine-chest 1, dosing pump 2, dosing pump outlet valve 6, check (non-return) valve 7, circuit safety valve 8, first filter 5,
Tow filtrator 3, medicine-chest outlet valve 4, medicine-chest blowdown valve 9, DCS, touch screen and medicine-chest inlet valve 10；There is PH adjustment in molten medicine-chest 1
Liquid, and 1 upper end of molten medicine-chest is provided with water inlet and dosing mouth 11, bottom is provided with water outlet and sewage draining exit；The molten medicine-chest 1
Water outlet pass sequentially through medicine-chest outlet valve 4, the second filter 3 is connected with the entrance of dosing pump 2, the outlet of dosing pump 2 is all the way
By being connected at the top of circuit safety valve 8 and molten medicine-chest 1, first filter, 5 dosing pump outlet valves 6 are set gradually in another way
With check (non-return) valve 7, for connecting 24 water inlet of inner cold water ultrapurification plant, also packet total valve 14, total valve 14 adds alkali for connecting
The water outlet and 24 water outlet of inner cold water ultrapurification plant of device 23；Medicine-chest blowdown valve 9 is fixed at the row of molten 1 bottom of medicine-chest
At dirty mouth, medicine-chest inlet valve 10 is fixed at molten medicine-chest water inlet；The touch screen and DCS control connect, and DCS's is defeated
Outlet controls connection dosing pump 2, dosing pump outlet valve 6, circuit safety valve 8, medicine-chest outlet valve 4, medicine-chest blowdown valve 9 and medicine respectively
Case inlet valve 10.
It further include having the first magnetic double level gauge 12, the second magnetic double level gauge 13, the first, second magnetic turning plate liquid
It is described for monitoring liquid level in molten medicine-chest on the upper inner wall and lower inner wall that position meter is respectively fixedly disposed in molten medicine-chest
First, second magnetic double level gauge output end is separately connected the input terminal of DCS.
The dosing pump 2 is micro electromagnetic dosing pump, can provide accurate flow microcontroller.In the molten medicine-chest
PH adjustment liquid be 0.1% NAOH solution, it is excessively high and how low should not control.
0.1% NAOH solution is added with micro electromagnetic dosing pump into inner cold water for the utility model, then by utilizing
Line PH table and conductivity table data, with the start and stop of DCS control dosing pump.PH, DD(can be set simultaneously to stop automatically more than the upper limit
Fortune), the time (limit operation 120 minutes, to the time after device stop transport automatically, by operations staff confirm indices after again really
It is fixed whether to continue to run) guarantee safety with triple protection, prevent dosing excessive.The complete unit of the utility model is not using
Rust steel pipe-line system, does not generate corrosion and impurity prevents the pollution of inner cold water.And former ion exchange system is continued with, change
Move small, at low cost, effect is good.
The nonrecurring cost of the utility model is 50,000 yuan/set left and right.Compared to if pure ion-exchange treatment, initial stage is changed to
It is dropped in 200,000 yuan -30 ten thousand yuan.200,000 yuan of expense can be saved from initial stage investment.Compared with existing processing mode: the optimization side
Formula runs increased cost: a, 0.1% NAOH solution consumption, about 500 grams of pure solid NAOH every year.B, the electricity of electromagnetic dosing pump
Consumption: the KWh operating cost of 0.15KW*12*365=657 is low.It can be ignored.Equipment is simple and reliable.
Claims (4)
1. a kind of electric generator inner cooling water process optimization system, including inner cold water case, resin catcher, inner cold water ultrapurification plant and
Inner cold water pump, the water outlet of cold water storage cistern is pumped by inner cold water to be connected with inner cold water ultrapurification plant water inlet, inner cold water ultrapurification
The delivery outlet of device is connected by resin catcher with cold water storage cistern refluxing opening, it is characterised in that: further include inner cold water adder-subtractor,
The water outlet of PH table and conductivity table, the adder-subtractor is connect with inner cold water ultrapurification plant water outlet, PH table and conductance
Rate table is arranged on the water inlet of inner cold water ultrapurification plant；The inner cold water adder-subtractor includes molten medicine-chest, dosing
Pump, dosing pump outlet valve, check (non-return) valve, circuit safety valve, filter, medicine-chest outlet valve, medicine-chest blowdown valve, DCS, touch screen and medicine
Case inlet valve；There is PH to adjust liquid in molten medicine-chest, and molten medicine-chest upper end is provided with water inlet and dosing mouth, bottom is provided with water outlet
And sewage draining exit；The water outlet of the molten medicine-chest passes sequentially through medicine-chest outlet valve, filter is connected with the entrance of dosing pump, dosing
The outlet of pump passes through all the way to be connected at the top of circuit safety valve and molten medicine-chest, filter is set gradually in another way, dosing pumps out
Mouth valve and check (non-return) valve, for connecting inner cold water ultrapurification plant water inlet；Medicine-chest blowdown valve is fixed at molten medicine-chest bottom
At sewage draining exit, medicine-chest inlet valve is fixed at molten medicine-chest water inlet；The touch screen and DCS control connect, and DCS's is defeated
Outlet control respectively connection dosing pump, dosing pump outlet valve, circuit safety valve, medicine-chest outlet valve, medicine-chest blowdown valve and medicine-chest into
Water valve.
2. electric generator inner cooling water process optimization system according to claim 1, it is characterised in that: further include having first,
Two magnetic double level gauges, first, second magnetic double level gauge are respectively fixedly disposed at the upper inner wall in molten medicine-chest under
On inner wall, for monitoring liquid level in molten medicine-chest, the first, second magnetic double level gauge output end is separately connected DCS
Input terminal.
3. electric generator inner cooling water process optimization system according to claim 2, it is characterised in that: the dosing pump is micro-
Measure electromagnetic dosing pump.
4. electric generator inner cooling water process optimization system according to claim 3, it is characterised in that: in the molten medicine-chest
PH adjusts the NAOH solution that liquid is 0.1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822171851.9U CN209456120U (en) | 2018-12-24 | 2018-12-24 | A kind of electric generator inner cooling water process optimization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822171851.9U CN209456120U (en) | 2018-12-24 | 2018-12-24 | A kind of electric generator inner cooling water process optimization system |
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| CN209456120U true CN209456120U (en) | 2019-10-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075509A (en) * | 2021-03-30 | 2021-07-06 | 中国大唐集团科学技术研究院有限公司中南电力试验研究院 | Online monitoring device and monitoring method for insulation of water and electricity connector of bar of internal water cooling generator |
-
2018
- 2018-12-24 CN CN201822171851.9U patent/CN209456120U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075509A (en) * | 2021-03-30 | 2021-07-06 | 中国大唐集团科学技术研究院有限公司中南电力试验研究院 | Online monitoring device and monitoring method for insulation of water and electricity connector of bar of internal water cooling generator |
| CN113075509B (en) * | 2021-03-30 | 2024-03-15 | 中国大唐集团科学技术研究院有限公司中南电力试验研究院 | Insulation on-line monitoring device and monitoring method for water-cooled generator bar water-electricity connector |
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