CN109341370A - A kind of condenser depth atomization deaerating plant - Google Patents
A kind of condenser depth atomization deaerating plant Download PDFInfo
- Publication number
- CN109341370A CN109341370A CN201811570965.9A CN201811570965A CN109341370A CN 109341370 A CN109341370 A CN 109341370A CN 201811570965 A CN201811570965 A CN 201811570965A CN 109341370 A CN109341370 A CN 109341370A
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- CN
- China
- Prior art keywords
- steam
- peripheral
- condenser
- water
- valve
- 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
- 238000000889 atomisation Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 230000002093 peripheral effect Effects 0.000 claims abstract description 47
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 44
- 238000005507 spraying Methods 0.000 claims description 26
- 229910001220 stainless steel Inorganic materials 0.000 claims description 18
- 239000010935 stainless steel Substances 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 239000001301 oxygen Substances 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000005273 aeration Methods 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000003595 mist Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000006392 deoxygenation reaction Methods 0.000 claims description 2
- 238000009692 water atomization Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000010025 steaming Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/10—Auxiliary systems, arrangements, or devices for extracting, cooling, and removing non-condensable gases
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The invention discloses a kind of condenser depth to be atomized deaerating plant, including water replenishing atomization device, steam thermal deoxygenizing apparatus, peripheral moisturizing pipeline system, peripheral steam pipe system and control system；The entrance of the water replenishing atomization device is connect with peripheral moisturizing pipeline system；The top in condenser is arranged in the outlet of water replenishing atomization device；The entrance of the steam thermal deoxygenizing apparatus is connect with peripheral steam pipe system；The lower part of steam thermal deoxygenizing apparatus being arranged in condenser；The peripheral moisturizing pipeline system and peripheral steam pipe system are connect with control system, and the operation of peripheral moisturizing pipeline system and peripheral steam pipe system is controlled by control system.
Description
Technical field
The present invention relates to power plant auxiliary machine condenser water replenishing deoxygenation technology fields, and in particular to one kind can be effectively reduced condensation
The condenser depth of water oxygen content is atomized deaerating plant.
Background technique
The number of oxygen content of condensate is one of main performance index of condenser, the seriously corroded of boiler circuit equipment
The operational safety of modern thermal power station and nuclear power station is affected, the rich oxygen content of condensed water is the main contributor of equipment corrosion.
In the prior art, the problem that a large amount of moisturizings of thermal power plant unit cause condenser condensed water oxygen content high.Mesh
The preceding country temporarily solves the problems, such as this without effective method.
Summary of the invention
In order to overcome problems of the prior art, the present invention provides a kind of condenser depth atomization deaerating plant, should
Condenser depth atomization deaerating plant can reduce the condenser condensed water oxygen content after a large amount of moisturizings of thermal power plant unit, slow down power station
The equipment of condensate system is corroded, and is improved the efficiency and safety of power station operation, is realized the energy-saving of unit.
To achieve the above object, condenser depth atomization deaerating plant of the present invention includes water replenishing atomization device, steams
Vapour thermal deoxygenizing apparatus, peripheral moisturizing pipeline system, peripheral steam pipe system and control system；The water replenishing atomization device
Entrance connect with peripheral moisturizing pipeline system；The top in condenser is arranged in the outlet of water replenishing atomization device；The steaming
The entrance of vapour thermal deoxygenizing apparatus is connect with peripheral steam pipe system；Steam thermal deoxygenizing apparatus is arranged in condenser
Lower part；The peripheral moisturizing pipeline system and peripheral steam pipe system are connect with control system, are controlled by control system
The operation of peripheral moisturizing pipeline system and peripheral steam pipe system.
The water replenishing atomization device is sprayed for that will be atomized from the moisturizing of peripheral moisturizing pipeline system into condenser
Water mist out, the water mist come into full contact with turbine discharge, so that the temperature of moisturizing is increased to the saturation temperature under exhaust steam pressure, rapidly
The oxygen in moisturizing is precipitated.
The steam thermal deoxygenizing apparatus will be for that will be sent into condenser, the steaming from the steam of peripheral steam pipe system
Vapour carries out thermal de-aeration to the condensed water in condenser, oxygen and non-condensing gas evolution.
The water replenishing atomization device includes stainless steel tube, and atomizer is provided on the stainless steel tube, stainless steel tube
Bottom is equipped with support plate.
The steam thermal deoxygenizing apparatus includes upper and lower first water spraying tray and the second water spraying tray disposed in parallel, first
Baffle plate is provided between water spraying tray and the second water spraying tray；Jet chimney is provided with below the second water spraying tray；First water drenching
It is provided with condensation water hole on disk and the second water spraying tray, is provided with steam hole on jet chimney；Condensed water in condenser is by the
Condensation water hole on one water spraying tray and the second water spraying tray forms drops and flows from above to below, and heats steam by jet chimney
Steam hole ejecting from bottom to top forms convection model between condensed water and heating steam, heats steam pair in the process
Condensed water carries out thermal de-aeration, oxygen and non-condensing gas evolution.
The peripheral moisturizing pipeline system includes the stainless steel water supply pipe being connected to moisturizing main pipe, the stainless steel water supply pipe
Outlet be connected to water replenishing atomization device；Thermometer, flowmeter, regulating valve and pressure are provided on the stainless steel water supply pipe
Transmitter, the regulating valve front and back are in series with preceding shut-off valve and rear shut-off valve respectively；The entrance of preceding shut-off valve and rear shut-off valve
Outlet between be parallel with by-passing valve.
The peripheral steam pipe system includes the jet chimney being connected to steam main pipe, the outlet of the jet chimney with
The connection of steam thermal deoxygenizing apparatus；Be provided on the jet chimney steam-flow meter, steam control valve, vapour tension thermometer and
Differential pressure transmitter is in series with before steam shut-off valve after shut-off valve and steam before and after the steam control valve respectively；It is closed before steam
Steam bypass valve is parallel between the outlet of shut-off valve after the entrance and steam of disconnected valve.
The regulating valve is for controlling refill flow；The steam control valve adds according to the control of the size of refill flow
Hot steam amount；Flow, pressure and temperature control signal by control cable access DCS control room.
The present invention has the advantage that condenser depth atomization deaerating plant of the present invention is compared with prior art,
It can ensure condenser condensed water oxygen content≤20-30ppb in the case where thermal power plant unit a large amount of moisturizings, be thermal power plant unit solidifying
It bears water oxygen content control aspect and technical guarantee is provided.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of condenser depth atomization deaerating plant of the present invention.
Fig. 2 is the structural schematic diagram of the water replenishing atomization device.
Fig. 3 is the structural schematic diagram of the steam thermal deoxygenizing apparatus.
Fig. 4 is the structural schematic diagram of the peripheral moisturizing pipeline system.
Fig. 5 is the structural schematic diagram of the peripheral steam pipe system.
Fig. 6 is the structural schematic diagram of the control system.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
As shown in Figures 1 to 6, condenser depth atomization deaerating plant of the present invention includes water replenishing atomization device 1, steams
Vapour thermal deoxygenizing apparatus 2, peripheral moisturizing pipeline system 3, peripheral steam pipe system 4 and control system 5；The moisturizing atomization
The entrance of device is connect with peripheral moisturizing pipeline system；The top in condenser 10 is arranged in the outlet of water replenishing atomization device；Institute
The entrance for the steam thermal deoxygenizing apparatus stated is connect with peripheral steam pipe system；The setting of steam thermal deoxygenizing apparatus is in condensing
Lower part in device 10；The peripheral moisturizing pipeline system and peripheral steam pipe system are connect with control system, by controlling
System controls the operation of peripheral moisturizing pipeline system and peripheral steam pipe system.
The water replenishing atomization device is sprayed for that will be atomized from the moisturizing of peripheral moisturizing pipeline system into condenser
Water mist out, the water mist come into full contact with turbine discharge, so that the temperature of moisturizing is increased to the saturation temperature under exhaust steam pressure, rapidly
The oxygen in moisturizing is precipitated.
The steam thermal deoxygenizing apparatus will be for that will be sent into condenser, the steaming from the steam of peripheral steam pipe system
Vapour carries out thermal de-aeration to the condensed water in condenser, oxygen and non-condensing gas evolution.
As shown in Fig. 2, the water replenishing atomization device includes stainless steel tube 11, atomizer is provided on the stainless steel tube
12, the bottom of stainless steel tube is equipped with support plate 13.Moisturizing from peripheral moisturizing pipeline system is sprayed by atomizer 12
Mist is formed afterwards, comes into full contact with the turbine discharge in condenser, the temperature of moisturizing is made to be increased to the saturation under exhaust steam pressure
The oxygen in moisturizing is precipitated rapidly in temperature.
As shown in figure 3, the steam thermal deoxygenizing apparatus includes upper and lower first water spraying tray 21 and second disposed in parallel
Water spraying tray 22 is provided with baffle plate 23 between the first water spraying tray 21 and the second water spraying tray 22；It is set below the second water spraying tray
It is equipped with jet chimney 24；It is provided with condensation water hole 25 on first water spraying tray 21 and the second water spraying tray 22, is provided on jet chimney
Steam hole 26；Condensed water in condenser forms drops by the condensation water hole on the first water spraying tray 21 and the second water spraying tray 22
Flow from above to below, heat steam by the steam hole on jet chimney ejecting from bottom to top, condensed water and heating steam it
Between form convection model, in the process heat steam to condensed water carry out thermal de-aeration, oxygen and non-condensing gas evolution.
As shown in figure 4, the peripheral moisturizing pipeline system includes the stainless steel water supply pipe 44 being connected to moisturizing main pipe 41,
The outlet of the stainless steel water supply pipe is connected to water replenishing atomization device；Thermometer 42, stream are provided on the stainless steel water supply pipe
Meter 43, regulating valve 45 and pressure transmitter 46, shut-off valve 48 and rear shutdown before 45 front and back of regulating valve is in series with respectively
Valve 47；By-passing valve 49 is parallel between the entrance of preceding shut-off valve and the outlet of rear shut-off valve.
As shown in figure 5, the peripheral steam pipe system includes the jet chimney 53 being connected to steam main pipe 51, the steaming
The outlet in steam pipe road is connected to steam thermal deoxygenizing apparatus；Steam-flow meter 52, steam tune are provided on the jet chimney
Valve 54, vapour tension thermometer 55 and differential pressure transmitter 56 are saved, 54 front and back of steam control valve turns off before being in series with steam respectively
Shut-off valve 58 after valve 57 and steam；Steam by-pass is parallel between the outlet of shut-off valve after the entrance and steam of shut-off valve before steam
Valve 59.
As shown in fig. 6, the regulating valve 45 is for controlling refill flow；The steam control valve 54 is according to moisturizing stream
The size control heating quantity of steam of amount；Flow, pressure and temperature control signal by control cable access DCS control room.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (8)
1. a kind of condenser depth is atomized deaerating plant, which is characterized in that the condenser depth atomization deaerating plant includes mending
Water atomization plant, steam thermal deoxygenizing apparatus, peripheral moisturizing pipeline system, peripheral steam pipe system and control system；It is described
The entrance of water replenishing atomization device connect with peripheral moisturizing pipeline system；The outlet of water replenishing atomization device is arranged in condenser
Top；The entrance of the steam thermal deoxygenizing apparatus is connect with peripheral steam pipe system；Steam thermal deoxygenizing apparatus is set
Set the lower part in condenser；The peripheral moisturizing pipeline system and peripheral steam pipe system are connect with control system,
The operation of peripheral moisturizing pipeline system and peripheral steam pipe system is controlled by control system.
2. condenser depth as described in claim 1 is atomized deaerating plant, which is characterized in that the water replenishing atomization device is used
In will be atomized from the moisturizing of peripheral moisturizing pipeline system, and water mist is sprayed into condenser, which fills with turbine discharge
Tap touching, makes the temperature of moisturizing be increased to the saturation temperature under exhaust steam pressure, and the oxygen in moisturizing is precipitated rapidly.
3. condenser depth as described in claim 1 is atomized deaerating plant, which is characterized in that the steam thermal de-aeration dress
It sets for condenser will to be sent into from the steam of peripheral steam pipe system, which carries out heating power to the condensed water in condenser
Deoxygenation, oxygen and non-condensing gas evolution.
4. condenser depth as described in claim 1 is atomized deaerating plant, which is characterized in that the water replenishing atomization device packet
Stainless steel tube is included, atomizer is provided on the stainless steel tube, the bottom of stainless steel tube is equipped with support plate.
5. condenser depth as described in claim 1 is atomized deaerating plant, which is characterized in that the steam thermal de-aeration dress
It sets including upper and lower first water spraying tray and the second water spraying tray disposed in parallel, is provided between the first water spraying tray and the second water spraying tray
Baffle plate；Jet chimney is provided with below the second water spraying tray；Condensed water is provided on first water spraying tray and the second water spraying tray
Hole is provided with steam hole on jet chimney；Condensed water in condenser is by the condensation on the first water spraying tray and the second water spraying tray
Water hole forms drops and flows from above to below, heat steam by the steam hole on jet chimney ejecting from bottom to top, condense
Water and heating steam between form convection model, in the process heat steam to condensed water carry out thermal de-aeration, oxygen with
Non-condensing gas evolution.
6. condenser depth as described in claim 1 is atomized deaerating plant, which is characterized in that the peripheral moisturizing pipeline system
System includes the stainless steel water supply pipe being connected to moisturizing main pipe, and the outlet of the stainless steel water supply pipe is connected to water replenishing atomization device；Institute
Thermometer, flowmeter, regulating valve and pressure transmitter, difference before and after the regulating valve are provided on the stainless steel water supply pipe stated
It is in series with preceding shut-off valve and rear shut-off valve；By-passing valve is parallel between the entrance of preceding shut-off valve and the outlet of rear shut-off valve.
7. condenser depth as claimed in claim 6 is atomized deaerating plant, which is characterized in that the peripheral jet chimney system
System includes the jet chimney being connected to steam main pipe, and the outlet of the jet chimney is connected to steam thermal deoxygenizing apparatus；Described
Steam-flow meter, steam control valve, vapour tension thermometer and differential pressure transmitter, the steam control valve are provided on jet chimney
Front and back is in series with before steam shut-off valve after shut-off valve and steam respectively；Before steam after the entrance and steam of shut-off valve shut-off valve go out
Steam bypass valve is parallel between mouthful.
8. condenser depth as claimed in claim 7 is atomized deaerating plant, which is characterized in that the regulating valve is for controlling
Refill flow；The steam control valve controls heating quantity of steam according to the size of refill flow；The control of flow, pressure and temperature
Signal processed accesses DCS control room by control cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570965.9A CN109341370B (en) | 2018-12-21 | 2018-12-21 | Deep atomization deoxidizing device for condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570965.9A CN109341370B (en) | 2018-12-21 | 2018-12-21 | Deep atomization deoxidizing device for condenser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109341370A true CN109341370A (en) | 2019-02-15 |
| CN109341370B CN109341370B (en) | 2023-09-29 |
Family
ID=65304491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811570965.9A Active CN109341370B (en) | 2018-12-21 | 2018-12-21 | Deep atomization deoxidizing device for condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109341370B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111410255A (en) * | 2020-04-03 | 2020-07-14 | 哈尔滨汽轮机厂辅机工程有限公司 | Vacuum thermal deoxidizing device for power plant condenser |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0979509A (en) * | 1995-09-19 | 1997-03-28 | Hitachi Ltd | Make-up water deaerator |
| CN2674109Y (en) * | 2003-07-11 | 2005-01-26 | 东方汽轮机厂 | Apparatus for steam-taking and feeding water into steam condensing device and oxygen removing for steam turbine industry |
| CN102901370A (en) * | 2011-07-25 | 2013-01-30 | 北京全四维动力科技有限公司 | Steam turbine condenser water-supplementing and deoxidizing system |
| CN103758590A (en) * | 2014-01-24 | 2014-04-30 | 上海电气电站设备有限公司 | Novel low-pressure-cylinder steam-discharging-pipe deoxygenization structure of direct air-cooling unit |
| CN204225935U (en) * | 2014-10-28 | 2015-03-25 | 西安亨特电力科技有限公司 | The energy-conservation water replenishing device of a kind of thermal power generation unit exhaust casing |
-
2018
- 2018-12-21 CN CN201811570965.9A patent/CN109341370B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0979509A (en) * | 1995-09-19 | 1997-03-28 | Hitachi Ltd | Make-up water deaerator |
| CN2674109Y (en) * | 2003-07-11 | 2005-01-26 | 东方汽轮机厂 | Apparatus for steam-taking and feeding water into steam condensing device and oxygen removing for steam turbine industry |
| CN102901370A (en) * | 2011-07-25 | 2013-01-30 | 北京全四维动力科技有限公司 | Steam turbine condenser water-supplementing and deoxidizing system |
| CN103758590A (en) * | 2014-01-24 | 2014-04-30 | 上海电气电站设备有限公司 | Novel low-pressure-cylinder steam-discharging-pipe deoxygenization structure of direct air-cooling unit |
| CN204225935U (en) * | 2014-10-28 | 2015-03-25 | 西安亨特电力科技有限公司 | The energy-conservation water replenishing device of a kind of thermal power generation unit exhaust casing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111410255A (en) * | 2020-04-03 | 2020-07-14 | 哈尔滨汽轮机厂辅机工程有限公司 | Vacuum thermal deoxidizing device for power plant condenser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109341370B (en) | 2023-09-29 |
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