CN105198027A - 300 MW thermal power generating unit rotating-film deoxygenation system - Google Patents
300 MW thermal power generating unit rotating-film deoxygenation system Download PDFInfo
- Publication number
- CN105198027A CN105198027A CN201510704077.1A CN201510704077A CN105198027A CN 105198027 A CN105198027 A CN 105198027A CN 201510704077 A CN201510704077 A CN 201510704077A CN 105198027 A CN105198027 A CN 105198027A
- Authority
- CN
- China
- Prior art keywords
- water
- plc
- inlet pipe
- deoxygenation head
- module
- 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.)
- Granted
Links
- 238000006392 deoxygenation reaction Methods 0.000 title claims abstract description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 142
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000001301 oxygen Substances 0.000 claims abstract description 36
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 36
- 238000012544 monitoring process Methods 0.000 claims description 45
- 239000008400 supply water Substances 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 7
- 238000010612 desalination reaction Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 238000010835 comparative analysis Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 2
- 230000001502 supplementing effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002242 deionisation method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
Landscapes
- Degasification And Air Bubble Elimination (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses a 300 MW thermal power generating unit rotating-film deoxygenation system, and belongs to the field of thermal power generation. According to the system, the top of a water box is provided with a deoxygenation head, the water outlet of the water box is connected with a boiler via a water pump, the water box is inside provided with a steam pipe which is below the deoxygenation head and is connected with a steam source, the outlet of the steam pipe is connected with the neck part of a steaming-machine condenser and a steam seal is provided; the water box is connected with the deoxygenation head via a drain tank and a drain pump; a negative-pressure pipe communicated between the deoxygenation head and the condenser is provided with a vacuum pump; a water outlet pipe of the condenser is connected with the deoxygenation head via a low-pressure heater drainage system; and a water inlet pipe between the deoxygenation head and the condenser is provided with a low-water-level water supplementing pipe connected with a salt-removed water source. The demand of a heat-engine plant 300 MW or more thermal power generating unit on oxygen content in water is solved, and the disclosed system is capable of removing 95% or more of oxygen in water.
Description
Technical field
The present invention relates to thermal power generating technology field, particularly a kind of 300MW fired power generating unit rotary film scavenge oxygen system.
Background technology
In thermal power generation process, for preventing heat power equipment and corrosive pipeline thereof, must remove and be dissolved in dissolved oxygen and other gas in oiler feed, to ensure heat power equipment safe operation and longer work-ing life.Due to boiler gas in use, all have the feature of High Temperature High Pressure, the requirement for deaeration plant is higher, and common deaeration plant is more difficult to meet the demands, cause carbonated drink be separated insufficient, efficiency and the life-span of follow-up heat power equipment can be badly influenced.The particularly fired power generating unit of more than 300MW, because its generated output is large, required confluent is huge, requires higher to the oxygen level wherein fed water, if feedwater oxygen level exceeds standard, will have a strong impact on generated output, and have a strong impact on its work-ing life simultaneously.
Summary of the invention
Goal of the invention of the present invention is: for above-mentioned Problems existing, a kind of more than 300MW fired power generating unit rotary film scavenge oxygen system is provided, solving more than 300MW fired power generating unit in thermal power plant, for the requirement of oxygen content in feedwater, can remove to more than 95% of water oxygen level; Thus the oxygen level greatly reduced in feedwater, prevent heat power equipment and corrosive pipeline thereof, guarantee the safety performance of production and application, be applicable to the deoxygenation of all kinds of power system boiler, industrial boiler water-supply and heat power plant's supplementary feed.
The technical solution used in the present invention is as follows:
300MW fired power generating unit rotary film scavenge oxygen system of the present invention, comprises water tank, deoxygenation head, condenser and drain tank; Wherein the top of water tank is provided with deoxygenation head, the water outlet of described water tank is connected to boiler by service pump, be provided with the below the vapour pipe connecting vapour source that are placed in deoxygenation head in described water tank, the relief outlet of described vapour pipe is drawn towards the neck place of steam turbine condenser and is provided with packing; Described water tank is connected to deoxygenation head by drain tank and drainage pump; Described deoxygenation head is provided with vacuum pump with the negative-pressure pipeline be communicated with between condenser; The rising pipe of described condenser is connected to deoxygenation head by Drainage System of Low-pressure Heater, and described deoxygenation head and the water inlet pipe of condenser are provided with the low-water level filling pipe being connected desalination water source.
Due to said structure, when being down to dangerous low-water level for preventing deaerator level, normal system can fill water, and spy sets up by the direct water charging system of chemical deionization water tank.Can dedicated line be established, also can at normal water pipe upper connecting tube.But ensure that pump and electrically operated valve are opened flexible.The present invention solves more than 300MW fired power generating unit in thermal power plant and, for the requirement of oxygen content in feedwater, can remove to more than 95% of water oxygen level; Thus the oxygen level greatly reduced in feedwater, prevent heat power equipment and corrosive pipeline thereof, guarantee the safety performance of production and application, be applicable to the deoxygenation of all kinds of power system boiler, industrial boiler water-supply and heat power plant's supplementary feed.
300MW fired power generating unit rotary film scavenge oxygen system of the present invention, the pipeline between described water pump to boiler is provided with height and adds return water system, and described height adds return water system and is connected to deoxygenation head; Described Drainage System of Low-pressure Heater also connects desalination water source.
Due to said structure, feedwater can be made to repeat by deoxygenation, guarantee that the oxygen level in feeding water reaches required standard, avoid impacting the life-span of boiler.
300MW fired power generating unit rotary film scavenge oxygen system of the present invention, the Controlling System also arranged comprises PLC, vacuum module, water level module, modular pressure, thermal module, flow module and security module;
Vacuum module, comprises and is located at vacuum transducer in negative tube, is converted into numerary signal P1 is passed to PLC for the force value of monitoring in negative tube; Comprise the vacuum transducer be located in deoxygenation head, be converted into numerary signal P2 be passed to PLC for the force value of monitoring in deoxygenation head; Receive the vacuum control signal that PLC transmits, control the operation of vacuum pump;
Water level module, comprises the water level sensor be located in water tank, is converted into numerary signal H1 is passed to PLC for the water level value in monitoring water tank; Comprise the water level sensor be located in condenser, be converted into numerary signal H2 be passed to PLC for the water level value of monitoring in condenser; Receive the water level supply signal that PLC transmits, control low-water level filling pipe solenoid and open;
Modular pressure, comprises the pressure transmitter be located in deoxygenation head, is converted into numerary signal P3 is passed to PLC for the force value of monitoring in deoxygenation head; Comprise the pressure transmitter be located on deoxygenation head water inlet pipe, be converted into numerary signal P4 be passed to PLC for the pressure of supply water value of monitoring in this water inlet pipe; Comprise the pressure transmitter be located in inlet pipe, be converted into numerary signal P5 be passed to PLC for the supply gas pressure value of monitoring in this inlet pipe; Comprise the pressure transmitter be located in condenser, be converted into numerary signal P6 be passed to PLC for the force value of monitoring in condenser;
Thermal module, comprises the temperature sensor be located in deoxygenation head, is converted into numerary signal T1 is passed to PLC for the temperature value of monitoring in deoxygenation head; Comprise the temperature sensor be located on deoxygenation head water inlet pipe, be converted into numerary signal T2 be passed to PLC for the supply water temperature value of monitoring in this water inlet pipe; Comprise the temperature sensor be located in deoxygenation head inlet pipe, be converted into numerary signal T3 be passed to PLC for the feed air temperature value of monitoring in this inlet pipe; Comprise the temperature sensor be located in condenser, be converted into numerary signal T3 be passed to PLC for the temperature value of monitoring in this condenser; Receive the temperature control signals A that PLC transmits, and control the feed air temperature of deoxygenation head inlet pipe; Receive the temperature control signals B that PLC transmits, and control the supply water temperature of condenser to deoxygenation head water inlet pipe;
Flow module, comprises the flow sensor on the water inlet pipe being located at deoxygenation head, for monitoring the service discharge of this water inlet pipe and being converted into numerary signal S1 and being passed to PLC; Comprise the flow sensor be located in deoxygenation head inlet pipe, for monitoring the air demand of this inlet pipe and being converted into numerary signal S2 and being passed to PLC; Receive the flow control signal A that PLC transmits, control control valve in water inlet pipe or inlet pipe and tune up; Receive the flow control signal A that PLC transmits, control control valve in water inlet pipe or inlet pipe and turn down;
PLC, for receiving the numerary signal that each module is transmitted, and comparative analysis; If during P2 > 0.6MPa, send safe control signal A to security module; If during △ P=P1-P2 < 0.2MPa, send vacuum control signal to vacuum module; If during H1≤Hmin or H2≤Hmin, send water level supply signal to water level module, if during H1 >=Hmax or H2 >=Hmax, send safe control signal B to security module; If when P3 >=1.2MPa, P4 >=0.6MPa, P5 >=0.4MPa or P6 >=0.8MPa, send safe control signal C to security module; If during ° C of T1 >=150, send safe control signal D to security module, if during ° C of T1≤80, send thermal control signals to heating module; If T3 >=200 ° C, sends safe control signal E to security module; If during T3-T1 > 60 ° of C, send temperature control signals A to thermal module; If during T2-T3 > 23 ° of C, send temperature control signals B to thermal module; If during S1 > Smax or S2 > Smax ', flow control signal A is sent to flow module, if during S1 < Smin or S2 < Smin ', send flow control signal B to flow module;
Heating module, for receiving the thermal control signals that PLC transmits, heats the steam in deoxygenation head;
Security module, receives PLC and transmits safe control signal A and safe control signal C, safe control signal D, and the safety valve controlled on deoxygenation head and each position is opened; Receive PLC and transmit safe control signal B, the water discharge valve controlled on water tank or condenser is opened; Receive PLC and transmit safe control signal E, control safety valve in deoxygenation head inlet pipe and open; Send audible and visible alarm simultaneously.
Due to said structure, automatically can monitor the various parameters in whole deaerating type of cycles, guarantee the safe and reliable of whole oxygen removal process, and level of automation be high, decrease artificial monitoring, reduce error, reduce human cost, be applicable to applying.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, more than 300MW fired power generating unit rotary film scavenge oxygen system of the present invention, solves more than 300MW fired power generating unit in thermal power plant and, for the requirement of oxygen content in feedwater, can remove to more than 95% of water oxygen level; Thus the oxygen level greatly reduced in feedwater, prevent heat power equipment and corrosive pipeline thereof, guarantee the safety performance of production and application, be applicable to the deoxygenation of all kinds of power system boiler, industrial boiler water-supply and heat power plant's supplementary feed.
2, more than 300MW fired power generating unit rotary film scavenge oxygen system of the present invention, achieves monitoring and the supervision of automatic intelligent, improves its monitoring precision, ensure that the safe and reliable of whole oxygen removal process, and reduce human cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Mark in figure: 1-water tank, 2-deoxygenation head, 3-condenser, 4-vacuum pump, 5-packing, 6-drain tank, 7-drainage pump, 8-low-pressure heater and drainage pump, 9-service pump.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As described in Figure 1,300MW fired power generating unit rotary film scavenge oxygen system of the present invention, comprises water tank 1, deoxygenation 2, condenser 3 and drain tank 6; Wherein the top of water tank 1 is provided with deoxygenation 2, the water outlet of described water tank 1 is connected to boiler by service pump 9, be provided with the below the vapour pipe connecting vapour source that are placed in deoxygenation 2 in described water tank 1, the relief outlet of described vapour pipe is drawn towards the neck place of steam turbine condenser and is provided with packing 5; Described water tank 1 is connected to deoxygenation 2 by drain tank 6 and drainage pump 7; A described deoxygenation negative-pressure pipeline be communicated with between 2 with condenser 3 is provided with vacuum pump 4; The rising pipe of described condenser 3 is connected to deoxygenation 2 by Drainage System of Low-pressure Heater, and described deoxygenation 2 is provided with the water inlet pipe of condenser 3 the low-water level filling pipe being connected desalination water source.Pipeline between described water pump 9 to boiler is provided with height and adds return water system, and described height adds return water system and is connected to deoxygenation 2; Described Drainage System of Low-pressure Heater also connects desalination water source.
300MW fired power generating unit rotary film scavenge oxygen system of the present invention, wherein exhaust steam system changes two whereabouts into: discharged to air; Set up steam discharge pipe, and guide the neck of steam turbine condenser into, during for accomplishing boiler water filling and unit starting time dissolved oxygen qualified, the negative-pressure pipeline of guiding condenser into fills again the pipeline that guides pumped vacuum systems entrance into, to ensure to make deoxygenator negative pressure run before steam turbine shaft seal does not send steam packing.When after steam turbine red switch, steam discharge causes condenser neck, when after steam turbine on-load, when deoxygenator water temperature reaches more than 107 DEG C, change into atmospheric steam exhaust (gas).Steam discharge (gas) mother pipe and arm are all equipped with respective valves.Low-water level emergency water compensating pipe.When being down to dangerous low-water level for preventing deaerator level, normal system can fill water, and spy sets up by the direct water charging system of chemical deionization water tank.Can dedicated line be established, also can at normal water pipe upper connecting tube.But ensure that pump and electrically operated valve are opened flexible.
300MW fired power generating unit rotary film scavenge oxygen system of the present invention, the Controlling System of setting comprises PLC, vacuum module, water level module, modular pressure, thermal module, flow module and security module;
Vacuum module, comprises and is located at vacuum transducer in negative tube, is converted into numerary signal P1 is passed to PLC for the force value of monitoring in negative tube; Comprise the vacuum transducer be located in deoxygenation head, be converted into numerary signal P2 be passed to PLC for the force value of monitoring in deoxygenation head; Receive the vacuum control signal that PLC transmits, control the operation of vacuum pump;
Water level module, comprises the water level sensor be located in water tank, is converted into numerary signal H1 is passed to PLC for the water level value in monitoring water tank; Comprise the water level sensor be located in condenser, be converted into numerary signal H2 be passed to PLC for the water level value of monitoring in condenser; Receive the water level supply signal that PLC transmits, control low-water level filling pipe solenoid and open;
Modular pressure, comprises the pressure transmitter be located in deoxygenation head, is converted into numerary signal P3 is passed to PLC for the force value of monitoring in deoxygenation head; Comprise the pressure transmitter be located on deoxygenation head water inlet pipe, be converted into numerary signal P4 be passed to PLC for the pressure of supply water value of monitoring in this water inlet pipe; Comprise the pressure transmitter be located in inlet pipe, be converted into numerary signal P5 be passed to PLC for the supply gas pressure value of monitoring in this inlet pipe; Comprise the pressure transmitter be located in condenser, be converted into numerary signal P6 be passed to PLC for the force value of monitoring in condenser;
Thermal module, comprises the temperature sensor be located in deoxygenation head, is converted into numerary signal T1 is passed to PLC for the temperature value of monitoring in deoxygenation head; Comprise the temperature sensor be located on deoxygenation head water inlet pipe, be converted into numerary signal T2 be passed to PLC for the supply water temperature value of monitoring in this water inlet pipe; Comprise the temperature sensor be located in deoxygenation head inlet pipe, be converted into numerary signal T3 be passed to PLC for the feed air temperature value of monitoring in this inlet pipe; Comprise the temperature sensor be located in condenser, be converted into numerary signal T3 be passed to PLC for the temperature value of monitoring in this condenser; Receive the temperature control signals A that PLC transmits, and control the feed air temperature of deoxygenation head inlet pipe; Receive the temperature control signals B that PLC transmits, and control the supply water temperature of condenser to deoxygenation head water inlet pipe;
Flow module, comprises the flow sensor on the water inlet pipe being located at deoxygenation head, for monitoring the service discharge of this water inlet pipe and being converted into numerary signal S1 and being passed to PLC; Comprise the flow sensor be located in deoxygenation head inlet pipe, for monitoring the air demand of this inlet pipe and being converted into numerary signal S2 and being passed to PLC; Receive the flow control signal A that PLC transmits, control control valve in water inlet pipe or inlet pipe and tune up; Receive the flow control signal A that PLC transmits, control control valve in water inlet pipe or inlet pipe and turn down;
PLC, for receiving the numerary signal that each module is transmitted, and comparative analysis; If during P2 > 0.6MPa, send safe control signal A to security module; If during △ P=P1-P2 < 0.2MPa, send vacuum control signal to vacuum module; If during H1≤Hmin or H2≤Hmin, send water level supply signal to water level module, if during H1 >=Hmax or H2 >=Hmax, send safe control signal B to security module; If when P3 >=1.2MPa, P4 >=0.6MPa, P5 >=0.4MPa or P6 >=0.8MPa, send safe control signal C to security module; If during ° C of T1 >=150, send safe control signal D to security module, if during ° C of T1≤80, send thermal control signals to heating module; If T3 >=200 ° C, sends safe control signal E to security module; If during T3-T1 > 60 ° of C, send temperature control signals A to thermal module; If during T2-T3 > 23 ° of C, send temperature control signals B to thermal module; If during S1 > Smax or S2 > Smax ', flow control signal A is sent to flow module, if during S1 < Smin or S2 < Smin ', send flow control signal B to flow module;
Heating module, for receiving the thermal control signals that PLC transmits, heats the steam in deoxygenation head;
Security module, receives PLC and transmits safe control signal A and safe control signal C, safe control signal D, and the safety valve controlled on deoxygenation head and each position is opened; Receive PLC and transmit safe control signal B, the water discharge valve controlled on water tank or condenser is opened; Receive PLC and transmit safe control signal E, control safety valve in deoxygenation head inlet pipe and open.
More than 300MW fired power generating unit rotary film scavenge oxygen system of the present invention, solves more than 300MW fired power generating unit in thermal power plant and, for the requirement of oxygen content in feedwater, can remove to more than 95% of water oxygen level; Thus the oxygen level greatly reduced in feedwater, prevent heat power equipment and corrosive pipeline thereof, guarantee the safety performance of production and application, be applicable to the deoxygenation of all kinds of power system boiler, industrial boiler water-supply and heat power plant's supplementary feed.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a 300MW fired power generating unit rotary film scavenge oxygen system, is characterized in that: it comprises water tank (1), deoxygenation head (2), condenser (3) and drain tank (6); Wherein the top of water tank (1) is provided with deoxygenation head (2), the water outlet of described water tank (1) is connected to boiler by service pump (9), be provided with the below the vapour pipe connecting vapour source that are placed in deoxygenation head (2) in described water tank (1), the relief outlet of described vapour pipe is drawn towards the neck place of steam turbine condenser and is provided with packing (5); Described water tank (1) is connected to deoxygenation head (2) by drain tank (6) and drainage pump (7); Described deoxygenation head (2) is provided with vacuum pump (4) with the negative-pressure pipeline be communicated with between condenser (3); The rising pipe of described condenser (3) is connected to deoxygenation head (2) by Drainage System of Low-pressure Heater, and described deoxygenation head (2) is provided with the water inlet pipe of condenser (3) the low-water level filling pipe being connected desalination water source.
2. 300MW fired power generating unit rotary film scavenge oxygen system as claimed in claim 1, it is characterized in that: the pipeline between described water pump (9) to boiler is provided with height and adds return water system, described height adds return water system and is connected to deoxygenation head (2); Described Drainage System of Low-pressure Heater also connects desalination water source.
3. 300MW fired power generating unit rotary film scavenge oxygen system as claimed in claim 1, is characterized in that: the Controlling System also arranged comprises PLC, vacuum module, water level module, modular pressure, thermal module, flow module and security module;
Vacuum module, comprises and is located at vacuum transducer in negative tube, is converted into numerary signal P1 is passed to PLC for the force value of monitoring in negative tube; Comprise the vacuum transducer be located in deoxygenation head, be converted into numerary signal P2 be passed to PLC for the force value of monitoring in deoxygenation head; Receive the vacuum control signal that PLC transmits, control the operation of vacuum pump;
Water level module, comprises the water level sensor be located in water tank, is converted into numerary signal H1 is passed to PLC for the water level value in monitoring water tank; Comprise the water level sensor be located in condenser, be converted into numerary signal H2 be passed to PLC for the water level value of monitoring in condenser; Receive the water level supply signal that PLC transmits, control low-water level filling pipe solenoid and open;
Modular pressure, comprises the pressure transmitter be located in deoxygenation head, is converted into numerary signal P3 is passed to PLC for the force value of monitoring in deoxygenation head; Comprise the pressure transmitter be located on deoxygenation head water inlet pipe, be converted into numerary signal P4 be passed to PLC for the pressure of supply water value of monitoring in this water inlet pipe; Comprise the pressure transmitter be located in inlet pipe, be converted into numerary signal P5 be passed to PLC for the supply gas pressure value of monitoring in this inlet pipe; Comprise the pressure transmitter be located in condenser, be converted into numerary signal P6 be passed to PLC for the force value of monitoring in condenser;
Thermal module, comprises the temperature sensor be located in deoxygenation head, is converted into numerary signal T1 is passed to PLC for the temperature value of monitoring in deoxygenation head; Comprise the temperature sensor be located on deoxygenation head water inlet pipe, be converted into numerary signal T2 be passed to PLC for the supply water temperature value of monitoring in this water inlet pipe; Comprise the temperature sensor be located in deoxygenation head inlet pipe, be converted into numerary signal T3 be passed to PLC for the feed air temperature value of monitoring in this inlet pipe; Comprise the temperature sensor be located in condenser, be converted into numerary signal T3 be passed to PLC for the temperature value of monitoring in this condenser; Receive the temperature control signals A that PLC transmits, and control the feed air temperature of deoxygenation head inlet pipe; Receive the temperature control signals B that PLC transmits, and control the supply water temperature of condenser to deoxygenation head water inlet pipe;
Flow module, comprises the flow sensor on the water inlet pipe being located at deoxygenation head, for monitoring the service discharge of this water inlet pipe and being converted into numerary signal S1 and being passed to PLC; Comprise the flow sensor be located in deoxygenation head inlet pipe, for monitoring the air demand of this inlet pipe and being converted into numerary signal S2 and being passed to PLC; Receive the flow control signal A that PLC transmits, control control valve in water inlet pipe or inlet pipe and tune up; Receive the flow control signal A that PLC transmits, control control valve in water inlet pipe or inlet pipe and turn down;
PLC, for receiving the numerary signal that each module is transmitted, and comparative analysis;
If during P2 > 0.6MPa, send safe control signal A to security module; If during △ P=P1-P2 < 0.2MPa, send vacuum control signal to vacuum module;
If during H1≤Hmin or H2≤Hmin, send water level supply signal to water level module, if during H1 >=Hmax or H2 >=Hmax, send safe control signal B to security module;
If when P3 >=1.2MPa, P4 >=0.6MPa, P5 >=0.4MPa or P6 >=0.8MPa, send safe control signal C to security module;
If during ° C of T1 >=150, send safe control signal D to security module, if during ° C of T1≤80, send thermal control signals to heating module; If T3 >=200 ° C, sends safe control signal E to security module; If during T3-T1 > 60 ° of C, send temperature control signals A to thermal module; If during T2-T3 > 23 ° of C, send temperature control signals B to thermal module;
If during S1 > Smax or S2 > Smax ', flow control signal A is sent to flow module, if during S1 < Smin or S2 < Smin ', send flow control signal B to flow module;
Heating module, for receiving the thermal control signals that PLC transmits, heats the steam in deoxygenation head;
Security module, receives PLC and transmits safe control signal A and safe control signal C, safe control signal D, and the safety valve controlled on deoxygenation head and each position is opened; Receive PLC and transmit safe control signal B, the water discharge valve controlled on water tank or condenser is opened; Receive PLC and transmit safe control signal E, control safety valve in deoxygenation head inlet pipe and open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510704077.1A CN105198027B (en) | 2015-10-27 | 2015-10-27 | A kind of 300 MW fired power generating units rotation film deaerating type of cycles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510704077.1A CN105198027B (en) | 2015-10-27 | 2015-10-27 | A kind of 300 MW fired power generating units rotation film deaerating type of cycles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105198027A true CN105198027A (en) | 2015-12-30 |
| CN105198027B CN105198027B (en) | 2018-06-12 |
Family
ID=54946063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510704077.1A Active CN105198027B (en) | 2015-10-27 | 2015-10-27 | A kind of 300 MW fired power generating units rotation film deaerating type of cycles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105198027B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2913617Y (en) * | 2006-07-07 | 2007-06-20 | 泰安市利德容器制造有限公司 | Steam-discharging vacuum deaerator for air cooling steam turbine |
| CN102108886A (en) * | 2011-01-21 | 2011-06-29 | 李树生 | Vacuum steam heating and pressurizing recycling device for steam turbine |
| RU2430242C1 (en) * | 2010-04-06 | 2011-09-27 | Государственное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет" | Thermal power station |
| JP5230239B2 (en) * | 2008-03-31 | 2013-07-10 | 三菱重工業株式会社 | Combined water treatment method for turbine equipment |
| CN203115977U (en) * | 2013-01-17 | 2013-08-07 | 陕西陕煤黄陵矿业有限公司 | Steam turbine recovery system of condensation water for controlling, sealing and cooling |
| CN204203797U (en) * | 2014-08-27 | 2015-03-11 | 广州优的新能源科技有限公司 | Oxygen-eliminating device automatic control system |
| CN205222730U (en) * | 2015-10-27 | 2016-05-11 | 张荣斌 | 300MW coal -fired power unit cyclone film deoxidization system |
-
2015
- 2015-10-27 CN CN201510704077.1A patent/CN105198027B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2913617Y (en) * | 2006-07-07 | 2007-06-20 | 泰安市利德容器制造有限公司 | Steam-discharging vacuum deaerator for air cooling steam turbine |
| JP5230239B2 (en) * | 2008-03-31 | 2013-07-10 | 三菱重工業株式会社 | Combined water treatment method for turbine equipment |
| RU2430242C1 (en) * | 2010-04-06 | 2011-09-27 | Государственное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет" | Thermal power station |
| CN102108886A (en) * | 2011-01-21 | 2011-06-29 | 李树生 | Vacuum steam heating and pressurizing recycling device for steam turbine |
| CN203115977U (en) * | 2013-01-17 | 2013-08-07 | 陕西陕煤黄陵矿业有限公司 | Steam turbine recovery system of condensation water for controlling, sealing and cooling |
| CN204203797U (en) * | 2014-08-27 | 2015-03-11 | 广州优的新能源科技有限公司 | Oxygen-eliminating device automatic control system |
| CN205222730U (en) * | 2015-10-27 | 2016-05-11 | 张荣斌 | 300MW coal -fired power unit cyclone film deoxidization system |
Non-Patent Citations (1)
| Title |
|---|
| 孙为民等编著: "《汽轮机运行与检修技术》", 30 September 2012 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105198027B (en) | 2018-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103292311A (en) | Heat filler type deaerator with stable deaerating function and atomizing function | |
| CN205222730U (en) | 300MW coal -fired power unit cyclone film deoxidization system | |
| CN109925748B (en) | Liquid degassing device and method capable of automatically and continuously providing degassing liquid | |
| CN205940193U (en) | Gas -liquid reposition of redundant personnel negative micro -pressure steam condensate water recovery system | |
| CN104649353A (en) | Vacuum-distillation seawater desalinating device and seawater desalinating method thereof | |
| CN101446410A (en) | Method for recycling the afterheat of continuous blowdown extension tank and device thereof | |
| CN105198027A (en) | 300 MW thermal power generating unit rotating-film deoxygenation system | |
| CN203501147U (en) | Feed water treatment and regulation device for cement kiln low-temperature cogeneration system | |
| CN204704084U (en) | A kind of circulating water jet vacuum equipment | |
| CN211345280U (en) | Boiler heat deaerator system | |
| CN103979640A (en) | Softened water treatment system and method | |
| CN107098421B (en) | System for desalinating product water with sea water | |
| CN203904034U (en) | Softened water treatment system | |
| CN201811202U (en) | Fixed-row exhaust steam recovery device of power station boiler | |
| CN104864765B (en) | Vacuum water feeding system of cooling tower | |
| CN204574918U (en) | Cooling tower vacuum water-feeding system | |
| CN104697357A (en) | Intelligent vacuum-absorption micropressure steam heat energy advanced recycling system | |
| CN203501816U (en) | Thermal cycle control device for low-temperature waste heat power generation system of dry-process cement production line | |
| CN205119018U (en) | A deoxidization equipment for coal -fired power unit of thermal power plant | |
| CN101644177B (en) | Dead steam reuse system | |
| CN207435085U (en) | Minimize positive pressure distillation seawater desalination system | |
| CN219473657U (en) | Natural gas preheating system based on exhaust-heat boiler | |
| CN212987180U (en) | Closed exhaust steam and drainage combined recovery system of power plant | |
| CN204461136U (en) | A kind of intelligent vacuum absorbs minute-pressure steam thermal energy advanced recycling system | |
| CN219530822U (en) | System for directly compressing low-pressure steam into medium-pressure steam by virtue of riser waste heat recovery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hong Changshao Inventor after: Feng Shaoshan Inventor after: Wang Tianen Inventor before: Zhang Rongbin |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180428 Address after: 510000 Nansha District Development Zone, Guangzhou, Guangdong Province Applicant after: Guangzhou Zhujiang Power Co., Ltd. Address before: 610041 1, 18 building, 1 2, south two section, Wuhou District first ring road, Chengdu, Sichuan. Applicant before: Zhang Rongbin |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |