CN108569776A - A kind of power plant automatic feeding formula full guard accurate oxygen-adding device and oxygenation method - Google Patents
A kind of power plant automatic feeding formula full guard accurate oxygen-adding device and oxygenation method Download PDFInfo
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- CN108569776A CN108569776A CN201810469334.1A CN201810469334A CN108569776A CN 108569776 A CN108569776 A CN 108569776A CN 201810469334 A CN201810469334 A CN 201810469334A CN 108569776 A CN108569776 A CN 108569776A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
Abstract
A kind of power plant automatic feeding formula full guard accurate oxygen-adding device and oxygenation method; the air provided using wind turbine is as oxygenation oxygen sources; and compressed air is set to boost to the stress levels of needs by booster pump; i.e. compressed air pressure is more than oxygenation point pressure, the oxygenation requirement that realization draining system, water supply system and condensate system automatic feeding, water-steam system are protected comprehensively；PLC control cabinet is according to water sample (hydrophobic, water supply, condensed water) flow and quasi- control water sample dissolved oxygen concentration value, coarse adjustment is carried out to flow control valve, fine tuning is carried out further according to water sample dissolved oxygen meter practical measurement signals and quasi- control water sample dissolved oxygen concentration value, since flow control valve working media is atmospheric air, the adjusting of flow-rate adjustment valve opening also carries out under normal pressure operating mode, it is not influenced by gas compressibility during both air flow modulation, realizes that accurate oxygenation is adjusted.
Description
Technical field
The present invention relates to power plant heat power equipment corrosion protection technology field more particularly to a kind of power plant automatic feeding formulas
Full guard accurate oxygen-adding device and oxygenation method.
Background technology
For prevent water supply system, the accelerated corrosion of HP heater drainage system flow and its bring it is a series of to unit operation not
Profit influences, and super (super-) critical unit is apparent using the necessity of combined water treatment.However, due to worrying superheater, again
Hot device oxide skin problem, the country still have many super (super-) critical units not use oxygenated treatment.
Full guard combined water treatment refers to and carries out oxygenation to condensed water, water supply, HP heater drainage system respectively.Keep dissolving
Oxygen concentration meets water supply, the passivation of HP heater drainage system requires, can take into account stokehold water supply system, high-pressure heater vapour side it is anti-
Corruption concentrates the risk to fall off simultaneously because the concentration of oxygen is close to zero in superheated steam there is no superheater oxide skin is promoted.Cause
This, full guard combined water treatment is to solve supercritical unit water-steam system corrosion and scaling, improves unit operation economy most
For the oxygenated treatment method of safety.
Traditional aeration device is mainly made of oxygen cylinder, bus-bar, oxygen flux control equipment, oxygen conveying pipe line etc..
A collection of oxygen cylinder is stored between oxygenation and constitutes major hazard source, increases operational safety risk.Operations staff needs inspection gas cylinder
Pressure, periodic replacement gas cylinder carry out airtight test after replacing gas cylinder every time, and operation and maintenance amount is big.Traditional aeration device
Oxygenation method be that oxygen-adding amount is carried out under the conditions of supply gas pressure using the pressure difference between gas cylinder and oxygenation point as oxygenation power
It adjusts, due to the features such as gas has compressibility, and oxygenation flow is small, oxygenation pressure is high, oxygenation control accuracy is very poor, on the one hand
It increases operation maintenance personnel and frequently adjusts workload, the extra oxygen of another aspect water supply enters vapour system, increases promotion
Steam side oxide skin concentrates the risk peeled off, and is unfavorable for the safety and economic operation of unit.
Therefore, exploitation is a kind of can realize that automatic feeding, automatic and accurate oxygenation are adjusted, water-steam system is protected comprehensively
Aeration device and oxygenation method become and ensure unit safety economical operation, reduce the work of operation maintenance personnel to the maximum extent
Measure technical barrier urgently to be resolved hurrily.
Invention content
The purpose of the present invention is to provide a kind of power plant automatic feeding formula full guard that is safe and reliable, economic, saving trouble is smart
True aeration device and oxygenation method, the air provided using wind turbine keep compression empty as oxygenation oxygen sources, and by booster pump
Gas lift is depressed into the stress level of needs, i.e., compressed air pressure is more than oxygenation point pressure, realize draining system, water supply system and
Condensate system automatic feeding, the comprehensively requirement of protection oxygenation；PLC control cabinet according to water sample (hydrophobic, water supply, condensed water) flow with
And quasi- control water sample dissolved oxygen concentration value, coarse adjustment is carried out to flow control valve, it is molten further according to water sample (hydrophobic, water supply, condensed water)
It solves oxygen table practical measurement signals and quasi- control water sample dissolved oxygen concentration value carries out fine tuning, since flow control valve working media is normal
It presses air, the adjusting of flow-rate adjustment valve opening also to be carried out under normal pressure operating mode, can not pressed by gas during both air flow modulation
Contracting influences, and realizes that accurate oxygenation is adjusted.
In order to achieve the above objectives, the technical solution adopted by the present invention is as follows：
A kind of power plant automatic feeding formula full guard accurate oxygen-adding device, the aeration device include and wind turbine 1 and air
The oxygenation pipeline 3 that purifier 2 connects, air pass through the air-supplying valve on oxygenation pipeline 3 after air cleaning unit 2
Tri- roads 4 Fen Wei are disposed with first flow regulating valve 5-1, the first air flow meter 6-1, first on first via oxygenation pipeline
Booster pump 7-1, first pressure gauge 8-1 and the first oxygenation shut-off valve 9-1 are disposed with second flow on the second road oxygenation pipeline
Regulating valve 5-2, the second air flow meter 6-2, the second booster pump 7-2, second pressure gauge 8-2 and the second oxygenation shut-off valve 9-2, the
Third flow control valve 5-3, third air flow meter 6-3, third booster pump 7-3, are disposed on three road oxygenation pipelines
Three pressure gauge 8-3 and third oxygenation shut-off valve 9-3, the first oxygenation shut-off valve 9-1, the second oxygenation shut-off valve 9-2, third oxygenation close
Disconnected valve 9-3 is respectively connected to power plant draining system oxygenation point 10-1, feed water supply system of power plant oxygenation point by oxygenation pipeline 3
10-2 and power plant condensate system oxygenation point 10-3, the power plant downstreams draining system oxygenation point 10-1, feed water supply system of power plant
The oxygenation downstreams point 10-2 and the power plant downstreams condensate system oxygenation point 10-3 are respectively arranged with hydrophobic flowmeter 11-1, hydrophobic
Dissolved oxygen meter 12-1, feed meter 11-2, water supply dissolved oxygen meter 12-2 and condensing water flow meter 11-3, condensed water dissolved oxygen
Table 12-3 further includes and wind turbine 1, first flow regulating valve 5-1, second flow regulating valve 5-2, third flow control valve 5-3,
One air flow meter 6-1, the second air flow meter 6-2, third air flow meter 6-3, the first booster pump 7-1, the second booster pump
7-2, third booster pump 7-3, hydrophobic flowmeter 11-1, hydrophobic dissolved oxygen meter 12-1, feed meter 11-2, water supply dissolved oxygen meter
12-2, condensing water flow meter 11-3 and the PLC control cabinet 13 of condensed water dissolved oxygen meter 12-3 connections.
The wind turbine 1 is that converting operation wind turbine or fixed frequency run wind turbine.
The first booster pump 7-1, the second booster pump 7-2, third booster pump 7-3 are single stage supercharging pump or multi-stage booster
Pump, air pressure is more than power plant draining system oxygenation point 10-1, feed water supply system of power plant oxygenation point 10-2, power plant after supercharging
The pressure of condensate system oxygenation point 10-3.
The accurate oxygenation method of the power plant automatic feeding formula full guard accurate oxygen-adding device, PLC control cabinet 13 are logical
It crosses the work of control wind turbine 1 and generates air, the air that wind turbine 1 generates passes through 2 He of air cleaning unit being mounted on oxygenation pipeline 3
It is divided into three tunnels after air-supplying valve 4, PLC control cabinet 13 is according to hydrophobic flowmeter 12-1, feed meter 12- on each road oxygenation pipeline
2, the hydrophobic, water supply of condensing water flow meter 12-3 feedbacks, condensed water flow respectively to first flow regulating valve 5-1, second
The aperture of adjustable valve 5-2 and third flow control valve 5-3 carry out coarse adjustment so that the first air flow meter 6-1, the second air stream
Gauge 6-2 and third air flow meter 6-3 shows the air mass flow Q that each road is addedairFor correspondence is hydrophobic, water supply and condensation flow
Measure QwaterIt is multiplied by the hydrophobic, water supply of quasi- control and condensed water dissolved oxygen concentration value Coxygen5~10 times, i.e. Qair=Qwater×
Coxygen× (5~10) consume, PLC control cabinet since dissolved oxygen exists in each draining system, water supply system and condensate system
13 measure dredging for feedback according to hydrophobic dissolved oxygen meter 12-1, water supply dissolved oxygen meter 12-2 and condensed water dissolved oxygen meter 12-3 are practical
Water, water supply, condensed water dissolved oxygen concentration respectively to first flow regulating valve 5-1, second flow regulating valve 5-2 and third flow
The aperture of regulating valve 5-3 carries out fine tuning, and the dissolved oxygen concentration for controlling hydrophobic, water supply and condensed water is desired value Coxygen, simultaneously
PLC control cabinet 13 is by controlling the first booster pump 7-1, the second booster pump 7-2 and the 7-3 work of third booster pump so that the first pressure
Air pressure is respectively greater than the hydrophobic system in power plant after the supercharging that power table 8-1, second pressure gauge 8-2 and third pressure gauge 8-3 are shown
The pressure of system oxygenation point 10-1, feed water supply system of power plant oxygenation point 10-2 and power plant condensate system oxygenation point 10-3, it is real
Draining system on the oxygenation pipeline of the roads Xian Ge, water supply system and condensate system be continuous, reliably and accurately oxygenation.
The working media of the first flow regulating valve 5-1, second flow regulating valve 5-2 and third flow control valve 5-3
Adjusting for atmospheric air, flow-rate adjustment valve opening also carries out under normal pressure, not by gas compressibility during flow-rate adjustment
It influences, degree of regulation is high.
Compared to the prior art, the present invention has the following advantages：
(1) comparing traditional aeration device uses pure oxygen, the present invention to use air as oxygen sources, and oxygenation fortune is greatly improved
Row safety；
(2) it compares traditional aeration device and needs inspection storage pressure, periodic replacement gas cylinder, replace the laggard promoting the circulation of qi of gas cylinder every time
Close property inspection, the present invention realize oxygenation automatic feeding, need not replace gas cylinder, greatly reduce operations staff's maintenance workload；
(3) poor compared to traditional aeration device oxygenation method control accuracy, operations staff adjusts heavy workload, and water supply is extra
Oxygen enters vapour system and increases the risk for promoting steam side oxide skin to concentrate peeling, is unfavorable for the safety and economic operation of unit, this
Invention flow control valve working media is atmospheric air, and the adjusting of flow-rate adjustment valve opening also carries out under normal pressure operating mode, air
It is not influenced by gas compressibility during flow-rate adjustment, realizes that accurate oxygenation is adjusted.
Description of the drawings
Fig. 1 is power plant automatic feeding formula full guard accurate oxygen-adding device schematic diagram of the present invention.
Specific implementation mode
Invention is further described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of power plant automatic feeding formula full guard accurate oxygen-adding device of the present invention, the aeration device packet
The oxygenation pipeline 3 being connect with wind turbine 1 and air cleaning unit 2 is included, air is after air cleaning unit 2 by being mounted on oxygen-adding tube
Tri- roads 4 Fen Wei of air-supplying valve on road 3 are disposed with first flow regulating valve 5-1, the first air on first via oxygenation pipeline
Flowmeter 6-1, the first booster pump 7-1, first pressure gauge 8-1 and the first oxygenation shut-off valve 9-1, on the second road oxygenation pipeline successively
Second flow regulating valve 5-2, the second air flow meter 6-2, the second booster pump 7-2, second pressure gauge 8-2 and second is provided with to add
Oxygen shut-off valve 9-2 is disposed with third flow control valve 5-3, third air flow meter 6-3, on the oxygenation pipeline of third road
Three booster pump 7-3, third pressure gauge 8-3 and third oxygenation shut-off valve 9-3, the first oxygenation shut-off valve 9-1, the second oxygenation shut-off valve
9-2, third oxygenation shut-off valve 9-3 by oxygenation pipeline 3 be respectively connected to power plant draining system oxygenation point 10-1, power plant to
Water system oxygenation point 10-2 and power plant condensate system oxygenation point 10-3, the power plant downstreams draining system oxygenation point 10-1, hair
Power plant's water supply system oxygenation downstreams point 10-2 and the power plant downstreams condensate system oxygenation point 10-3 are respectively arranged with hydrophobic stream
Gauge 11-1, hydrophobic dissolved oxygen meter 12-1, feed meter 11-2, water supply dissolved oxygen meter 12-2 and condensing water flow meter 11-
3, condensed water dissolved oxygen meter 12-3 further includes and wind turbine 1, first flow regulating valve 5-1, second flow regulating valve 5-2, third stream
Adjustable valve 5-3, the first air flow meter 6-1, the second air flow meter 6-2, third air flow meter 6-3, the first booster pump
7-1, the second booster pump 7-2, third booster pump 7-3, hydrophobic flowmeter 11-1, hydrophobic dissolved oxygen meter 12-1, feed meter 11-
2, water supply dissolved oxygen meter 12-2, condensing water flow meter 11-3 and the PLC control cabinet 13 of condensed water dissolved oxygen meter 12-3 connections.
As the preferred embodiment of the present invention, the wind turbine 1 is that converting operation wind turbine or fixed frequency run wind turbine.
As the preferred embodiment of the present invention, the first booster pump 7-1, the second booster pump 7-2, third booster pump 7-
3 be single stage supercharging pump or multi-stage booster pump, and air pressure is more than power plant draining system oxygenation point 10-1 after supercharging, power plant is given
The pressure of water system oxygenation point 10-2, power plant condensate system oxygenation point 10-3.
As shown in Figure 1, the accurate oxygenation method of power plant automatic feeding formula full guard accurate oxygen-adding device of the present invention, starts
Preceding each valve of system is closed.Air-supplying valve 4 is opened, wind turbine 1, the sky that wind turbine 1 generates are started by PLC control cabinet 13
Gas by oxygenation pipeline 3 air cleaning unit 2 and air-supplying valve 4 after be divided into three tunnels, PLC control cabinet 13 is according to each
It is hydrophobic flowmeter 12-1 on the oxygenation pipeline of road, feed meter 12-2, the hydrophobic of condensing water flow meter 12-3 feedbacks, water supply, solidifying
The flow born water is respectively to the aperture of first flow regulating valve 5-1, second flow regulating valve 5-2 and third flow control valve 5-3
Carry out coarse adjustment so that the first air flow meter 6-1, the second air flow meter 6-2 and third air flow meter 6-3 show that each road adds
The air mass flow Q enteredairFor correspondence is hydrophobic, water supply and condensing water flow QwaterIt is multiplied by the hydrophobic, water supply of quasi- control and condensation water dissolution
Oxygen concentration value Coxygen5~10 times, i.e. QAir=Qwater×Coxygen× (5~10), since dissolved oxygen is in each draining system, water supply
There is consumption in system and condensate system, PLC control cabinet 13 is according to hydrophobic dissolved oxygen meter 12-1, water supply dissolved oxygen meter 12-2 and coagulates
Bear water the practical hydrophobic, water supply for measuring feedback of dissolved oxygen meter 12-3, the dissolved oxygen concentration of condensed water is respectively adjusted first flow
The aperture of valve 5-1, second flow regulating valve 5-2 and third flow control valve 5-3 carry out fine tuning, control hydrophobic, water supply and condensation
The dissolved oxygen concentration of water is desired value Coxygen, while PLC control cabinet 13 is by controlling the first booster pump 7-1, the second booster pump 7-
2 and third booster pump 7-3 works so that the supercharging that first pressure gauge 8-1, second pressure gauge 8-2 and third pressure gauge 8-3 are shown
Air pressure is respectively greater than power plant draining system oxygenation point 10-1, feed water supply system of power plant oxygenation point 10-2 and power plant afterwards
The pressure of condensate system oxygenation point 10-3 realizes that draining system on each road oxygenation pipeline, water supply system and condensate system connect
Continuous, reliably and accurately oxygenation.
The working media of the first flow regulating valve 5-1, second flow regulating valve 5-2 and third flow control valve 5-3
Adjusting for atmospheric air, flow-rate adjustment valve opening also carries out under normal pressure, not by gas compressibility during flow-rate adjustment
It influences, degree of regulation is high.
Claims (5)
1. a kind of power plant automatic feeding formula full guard accurate oxygen-adding device, it is characterised in that：The aeration device includes and wind
The oxygenation pipeline (3) of machine (1) and air cleaning unit (2) connection, air is after air cleaning unit (2) by being mounted on oxygenation
Air-supplying valve (4) on pipeline (3) is divided into three tunnels, be disposed on the first via oxygenation pipeline first flow regulating valve (5-1),
First air flow meter (6-1), the first booster pump (7-1), first pressure gauge (8-1) and the first oxygenation shut-off valve (9-1), second
Second flow regulating valve (5-2), the second air flow meter (6-2), the second booster pump (7- are disposed on the oxygenation pipeline of road
2), second pressure gauge (8-2) and the second oxygenation shut-off valve (9-2) are disposed with third flow tune on the oxygenation pipeline of third road
Save valve (5-3), third air flow meter (6-3), third booster pump (7-3), third pressure gauge (8-3) and third oxygenation shut-off valve
(9-3), the first oxygenation shut-off valve (9-1), the second oxygenation shut-off valve (9-2), third oxygenation shut-off valve (9-3) pass through oxygenation pipeline
(3) it is solidifying that power plant draining system oxygenation point (10-1), feed water supply system of power plant oxygenation point (10-2) and power plant are respectively connected to
Bear water system oxygenation point (10-3), the downstream power plant draining system oxygenation point (10-1), feed water supply system of power plant oxygenation point (10-
2) downstream and the downstream power plant condensate system oxygenation point (10-3) are respectively arranged with hydrophobic flowmeter (11-1), hydrophobic dissolving
Oxygen table (12-1), feed meter (11-2), water supply dissolved oxygen meter (12-2) and condensing water flow meter (11-3), condensation are water-soluble
Oxygen table (12-3) is solved, further includes and wind turbine (1), first flow regulating valve (5-1), second flow regulating valve (5-2), third flow
Regulating valve (5-3), the first air flow meter (6-1), the second air flow meter (6-2), third air flow meter (6-3), first
Booster pump (7-1), the second booster pump (7-2), third booster pump (7-3), hydrophobic flowmeter (11-1), hydrophobic dissolved oxygen meter (12-
1), feed meter (11-2), water supply dissolved oxygen meter (12-2), condensing water flow meter (11-3) and condensed water dissolved oxygen meter
The PLC control cabinet (13) of (12-3) connection.
2. power plant automatic feeding formula full guard accurate oxygen-adding device according to claim 1, it is characterised in that：The wind
Machine (1) is that converting operation wind turbine or fixed frequency run wind turbine.
3. power plant automatic feeding formula full guard accurate oxygen-adding device according to claim 1, it is characterised in that：Described
One booster pump (7-1), the second booster pump (7-2), third booster pump (7-3) are that single stage supercharging pumps or multi-stage booster pumps, after supercharging
Air pressure is more than power plant draining system oxygenation point (10-1), feed water supply system of power plant oxygenation point (10-2), power plant condensation
The pressure of water system oxygenation point (10-3).
4. the accurate oxygenation side of claims 1 to 3 any one of them power plant automatic feeding formula full guard accurate oxygen-adding device
Method, it is characterised in that：PLC control cabinet (13) generates air by controlling wind turbine (1) work, and the air that wind turbine (1) generates passes through
It is divided into three tunnels, PLC control cabinet (13) basis after air cleaning unit (2) and air-supplying valve (4) on oxygenation pipeline (3)
Hydrophobic flowmeter (12-1) on each road oxygenation pipeline, feed meter (12-2), condensing water flow meter (12-3) feedback it is hydrophobic,
Water supply, condensed water flow respectively to first flow regulating valve (5-1), second flow regulating valve (5-2) and third flow-rate adjustment
The aperture of valve (5-3) carries out coarse adjustment so that the first air flow meter (6-1), the second air flow meter (6-2) and third air stream
Gauge (6-3) shows the air mass flow Q that each road is addedairFor correspondence is hydrophobic, water supply and condensing water flow QwaterQuasi- control is multiplied by dredge
Water, water supply and condensed water dissolved oxygen concentration value Coxygen5~10 times, i.e. Qair=Qwater×Coxygen× (5~10), due to molten
It solves oxygen and there is consumption in each draining system, water supply system and condensate system, PLC control cabinet (13) is according to hydrophobic dissolved oxygen meter
(12-1), water supply dissolved oxygen meter (12-2) and condensed water dissolved oxygen meter (12-3) actually measure the hydrophobic of feedback, water supply, condensed water
Dissolved oxygen concentration respectively to first flow regulating valve (5-1), second flow regulating valve (5-2) and third flow control valve (5-
3) aperture carries out fine tuning, and the dissolved oxygen concentration for controlling hydrophobic, water supply and condensed water is desired value Coxygen, while PLC control cabinet
(13) it is worked by controlling the first booster pump (7-1), the second booster pump (7-2) and third booster pump (7-3) so that first pressure
Air pressure is respectively greater than power plant and dredges after the supercharging of table (8-1), second pressure gauge (8-2) and third pressure gauge (8-3) display
Water system oxygenation point (10-1), feed water supply system of power plant oxygenation point (10-2) and power plant condensate system oxygenation point (10-3)
Pressure, realize that draining system on each road oxygenation pipeline, water supply system and condensate system be continuous, reliably and accurately oxygenation.
5. the accurate oxygenation method of power plant automatic feeding formula full guard accurate oxygen-adding device according to claim 4,
It is characterized in that：The first flow regulating valve (5-1), second flow regulating valve (5-2) and third flow control valve (5-3) work
It is atmospheric air to make medium, and the adjusting of flow-rate adjustment valve opening also carries out under normal pressure, can not by gas during flow-rate adjustment
Comperssibility influence, degree of regulation are high.
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| CN201810469334.1A CN108569776A (en) | 2018-05-16 | 2018-05-16 | A kind of power plant automatic feeding formula full guard accurate oxygen-adding device and oxygenation method |
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| CN201810469334.1A CN108569776A (en) | 2018-05-16 | 2018-05-16 | A kind of power plant automatic feeding formula full guard accurate oxygen-adding device and oxygenation method |
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Cited By (7)
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| CN110217900A (en) * | 2019-04-18 | 2019-09-10 | 西安热工研究院有限公司 | A kind of automatic oxygenation of power plant water supply and the collaboration precise control device and method of ammonification |
| CN110510723A (en) * | 2019-08-05 | 2019-11-29 | 安徽安庆皖江发电有限责任公司 | Thermal power generation unit |
| CN111348759A (en) * | 2020-04-07 | 2020-06-30 | 西安热工研究院有限公司 | High-pressure-rise hydrophobic automatic oxygenation system and oxygenation method |
| CN112591955A (en) * | 2020-11-22 | 2021-04-02 | 西安热工研究院有限公司 | Automatic oxygen source system and oxygen generation method for feedwater oxygenation treatment process |
| CN112919648A (en) * | 2021-03-15 | 2021-06-08 | 中国大唐集团科学技术研究院有限公司华中电力试验研究院 | System and method for treating feed water and ozone of thermal generator set |
| CN113149119A (en) * | 2021-03-10 | 2021-07-23 | 华电电力科学研究院有限公司 | Accurate oxygenation control system of thermal power factory condensate water |
| CN113983451A (en) * | 2021-11-26 | 2022-01-28 | 广东大唐国际潮州发电有限责任公司 | Thermal power plant oxygenation system based on automatic oxygenation device closed-loop adjustment and adjustment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110217900A (en) * | 2019-04-18 | 2019-09-10 | 西安热工研究院有限公司 | A kind of automatic oxygenation of power plant water supply and the collaboration precise control device and method of ammonification |
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| CN110510723A (en) * | 2019-08-05 | 2019-11-29 | 安徽安庆皖江发电有限责任公司 | Thermal power generation unit |
| CN111348759A (en) * | 2020-04-07 | 2020-06-30 | 西安热工研究院有限公司 | High-pressure-rise hydrophobic automatic oxygenation system and oxygenation method |
| CN112591955A (en) * | 2020-11-22 | 2021-04-02 | 西安热工研究院有限公司 | Automatic oxygen source system and oxygen generation method for feedwater oxygenation treatment process |
| CN112591955B (en) * | 2020-11-22 | 2022-08-26 | 西安热工研究院有限公司 | Automatic oxygen source system for feedwater oxygenation treatment process and oxygen generation method |
| CN113149119A (en) * | 2021-03-10 | 2021-07-23 | 华电电力科学研究院有限公司 | Accurate oxygenation control system of thermal power factory condensate water |
| CN112919648A (en) * | 2021-03-15 | 2021-06-08 | 中国大唐集团科学技术研究院有限公司华中电力试验研究院 | System and method for treating feed water and ozone of thermal generator set |
| CN113983451A (en) * | 2021-11-26 | 2022-01-28 | 广东大唐国际潮州发电有限责任公司 | Thermal power plant oxygenation system based on automatic oxygenation device closed-loop adjustment and adjustment method |
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