CN203768062U - Deaerating device for steam turbine generator set - Google Patents
Deaerating device for steam turbine generator set Download PDFInfo
- Publication number
- CN203768062U CN203768062U CN201420171495.XU CN201420171495U CN203768062U CN 203768062 U CN203768062 U CN 203768062U CN 201420171495 U CN201420171495 U CN 201420171495U CN 203768062 U CN203768062 U CN 203768062U
- Authority
- CN
- China
- Prior art keywords
- storage tank
- water storage
- deoxygenator
- steam turbine
- generating set
- 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.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 11
- 239000010935 stainless steel Substances 0.000 claims abstract description 11
- 238000005276 aerator Methods 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 238000013022 venting Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract 5
- 238000006392 deoxygenation reaction Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 208000016285 Movement disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Physical Water Treatments (AREA)
Abstract
The utility model discloses a deaerating device for a steam turbine generator set. The deaerating device mainly comprises a deaerator and a water storage tank, wherein the water storage tank is mounted on a support A, the deaerator is located above the water storage tank, a support B is fixed in the middle of the water storage tank, a rotating-film deaerating device is arranged inside the deaerator, the rotating-film deaerating device is connected to a condensate water inlet, and a communication pipe is arranged between the bottom of the deaerator and the top of the water storage tank. The deaerating device is characterized in that a transverse partition plate and a vertical partition plate are arranged at the left and right sides of the deaerator, the transverse partition plate is vertically connected with the vertical partition plate, steam inlets are formed in the lower parts of the left and right sides of the deaerator, the steam inlets extend into the deaerator and are located below the transverse partition plate, the communication pipe protrudes from the bottom of the deaerator and a stainless steel filter screen and an anti-vortex device are fixed on the top of the deaerator. The utility model provides the deaerating device for the steam turbine generator set, which has the advantages that the flow direction of steam inside the deaerator is fixed, impurities can be filtered and the deaerating effect is good.
Description
Technical field
The utility model relates to a kind of for station boiler deoxygenation field, relates in particular to a kind of steam turbine device generating set de-aerator plant.
Background technology
For preventing from heat power equipment and corrosive pipeline thereof, must remove being dissolved in dissolved oxygen and other gas in oiler feed.Thermal de-aeration principle is Henry's law and Dalton's law, and to various gas soluble in water, under certain pressure, the temperature of water is higher, and solubleness is lower.Thermal de-aeration is exactly while utilizing steam that feedwater is heated to the temperature of saturation under corresponding pressure, vapor partial pressure power will be close to total pressure on the water surface, the pressure component of various gases soluble in water is close to zero, therefore, water does not just have the ability of gas dissolved, gas soluble in water is just precipitated, thereby removes oxygen and other gases in water.
Membrane deaerator is that the most frequently used, effect is installed preferably at present, but existing membrane deaerator exists steam inside movement disorder.And in deoxygenation processing, water may be brought impurity or foreign material into, can affect follow-up use.
Utility model content
The purpose of this utility model be to provide a kind of deoxygenator steam inside flow direction fix, can impurity screening, a kind of steam turbine device generating set de-aerator plant that deaerating effect is good.
The technical solution adopted in the utility model is: a kind of steam turbine device generating set de-aerator plant, mainly formed by deoxygenator and water storage tank, described water storage tank is installed on bearing A, described deoxygenator is positioned at described water storage tank top, centre is fixed with bearing B, end socket top, described deoxygenator left side is provided with a manhole A, top is provided with safety valve A, vapour outlet, condensed water import, venting port A, described deoxygenator inside is provided with revolves film device, the described film device that revolves is connected with described condensed water import, described water storage tank top is provided with safety valve B and venting port B, end socket below, left side is provided with manhole B, bottom is provided with water port, thief hole, water outlet, middle and upper part, described water storage tank right side is also provided with a high-water interface, between described deoxygenator bottom and water storage tank top, be provided with communicating pipe, the described deoxygenator left and right sides is provided with transverse wall and vertical clapboard, described transverse wall is vertically connected with vertical clapboard, below, the described deoxygenator left and right sides is provided with steam inlet, described steam inlet stretches into described deoxygenator inside, be positioned at described transverse wall below, at the bottom of described communicating pipe protruding described deoxygenator, the fixing stainless steel filtering net in top and anti-vortex device.
Further, between described two vertical clapboards, be provided with a packing layer, described packing layer top is provided with a HP heater drainage pipe.
Further, described in revolve film device and formed by some vertically arranged short tubes, described upper end of short tube have some tangential small-holes.
Further, between described deoxygenator and water storage tank, be also provided with a pressure equalizing pipe.
Further, described water storage tank is provided with a magnetic float level indicator and thermopair.
Further, described water tank bottom inner side is provided with a stainless steel heating tube, and described stainless steel tube is connected with high-temperature steam pipeline.
Further, described deoxygenator outer side wall is provided with thermal insulation layer.
Further, outer wall is provided with a steel plate enhancement Layer described communicating pipe.
Further, described safety valve A quantity is at least 2, and described safety valve B quantity is at least 2.
Further, device is at least coated with one deck inorganic zinc primer, and its desciccator diaphragm thickness is 76 ~ 127 μ m.
The beneficial effects of the utility model are: 1. adopt dividing plate guiding, reduce the impact of high-temperature steam to deoxygenator inside, guiding steam is pressed direction initialization and flowed; 2. secondary deoxygenation, promotes deaerating effect; 3. adopt steel plate to strengthen communicating pipe, make it not to be subject to the load of excessive vertical direction or horizontal direction, to maintain strength of joint; 4. pressure equalizing pipe is set, so that Steam Turbine removal of load or admission water pressure while changing suddenly, make the vapor pressure between deoxygenator and feed-tank can reach rapidly balance; 5. arrange filter and anti-swirling device, reduce the impact to tube wall, prevent foreign material enter feedwater downstream end in 6; Water storage tank arranges reheating pipe, shortens the cold start-up time, and carries out in boiling deoxygenation operation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is pipe connecting schematic diagram.
In accompanying drawing: 1-deoxygenator 2-water storage tank 3-bearing A 4-bearing B 5-manhole A 6-safety valve A 7-vapour outlet 8-condensed water import 9-venting port A 10-revolves the anti-vortex device of film device 11-safety valve B 12-venting port B 13-manhole B 14-water port 15-thief hole 16-water outlet 17-high-water interface 18-communicating pipe 19-transverse wall 20-vertical clapboard 21-steam inlet 22-stainless steel filtering net 23-24-packing layer 25-short tube 26-pressure equalizing pipe 27-magnetic float level indicator 28-thermopair 29-stainless steel heating tube 30-steel plate enhancement Layer 31-HP heater drainage pipe.
Embodiment
In order to make the advantage of the purpose of this utility model and technical scheme clearer, below in conjunction with accompanying drawing and example, the utility model is further elaborated.
As shown in drawings, a kind of steam turbine device generating set de-aerator plant, is mainly made up of deoxygenator 1 and water storage tank 2, and deoxygenator 1 outer side wall is provided with thermal insulation layer.Water storage tank 2 is installed on bearing A 3.Deoxygenator 1 is positioned at water storage tank 2 tops, and centre is fixed with bearing B 4.Deoxygenator 1 end socket top, left side is provided with a manhole A 5, and top is provided with 2 safety valve A 6, vapour outlet 7, condensed water import 8, venting port A 9.Deoxygenator 1 inside is provided with revolves film device 10, and is connected with condensed water import 8.Revolve film device 10 and formed by some vertically arranged short tubes 25, its upper end have some tangential small-holes.Deoxygenator 1 left and right sides is provided with transverse wall 19 and vertical clapboard 20, and transverse wall 19 is vertically connected with vertical clapboard 20.Between 2 vertical clapboards 19, be provided with a packing layer 24, top is provided with a HP heater drainage pipe 31, is mainly used in carrying out secondary deoxygenation.Deoxygenator 1 below, the left and right sides is provided with steam inlet 21, and steam inlet 21 stretches into deoxygenator 1 inside, is positioned at transverse wall 19 belows.Described water storage tank 2 tops are provided with 2 safety valve B 11 and venting port B 12, and end socket below in left side is provided with manhole B 13, and bottom is provided with water port 14, thief hole 15, water outlet 16.Water storage tank 2 middle and upper parts, right side are also provided with a high-water interface 17, when exceeding water storage high-water, carry out draining.On water storage tank 2, be also provided with a magnetic float level indicator 27 and thermopair 28, for the monitoring of water storage tank 2 water temperature inside and water level.Water storage tank 2 bottom inside are provided with a stainless steel heating tube 29, and are connected with high-temperature steam pipeline, heat for water storage tank 2, can shorten the cold start-up time, and in the time exceeding standard to oxygen content in water from thief hole 15 sampling monitoring, can seethe with excitement again and carry out deoxygenation operation.Between deoxygenator 1 bottom and water storage tank 2 tops, be provided with communicating pipe 18.Communicating pipe 18, outer wall had steel plate enhancement Layer 30, and top is provided with stainless steel filtering net 22 and anti-vortex device 23, and class filters foreign material, reduces the disturbance of current to tube wall and deoxygenator 1 and water storage tank 2.Between deoxygenator 1 and water storage tank 2, be also provided with a pressure equalizing pipe 26, so that Steam Turbine removal of load or admission water pressure while changing suddenly, make the vapor pressure between deoxygenator and feed-tank can reach rapidly balance.Device is at least coated with one deck inorganic zinc primer, and its desciccator diaphragm thickness is 76 μ m, can play corrosionproof protection effect.
When work, high-temperature steam is from 21 access to plant inside, under the guide effect of transverse wall 19 and vertical clapboard 20, through packing layer 24, and revolves film device 10 and contacts.Need the water at low temperature of deoxygenation to enter deoxygenator 1 inside from condensed water import 8, form rotary water film from the aperture ejection of short tube 25.Water at low temperature and high-temperature steam carry out heat exchange, comprise the convective heat exchange of high-temperature steam and water at low temperature and the steam condensation heat transfer in water film surface.Meanwhile, when needing the water at low temperature of deoxygenation from being that tangential hole ejiction opening forms high speed rotating moisture film, due to the height rotation of moisture film, in formation low pressure area, close moisture film place, a large amount of steam that is is involved in moisture film, thereby water at low temperature is heated rapidly.Along with needing the water at low temperature of deoxygenation by the continuous heating of steam, the incondensable gas such as oxygen, air being dissolved in the water also washes out gradually, thereby reaches the object of efficient deoxygenation.On the low HP heater drainage pipe 24 to being connected with high-temperature-hot-water pipe of water through one-level deoxygenation, keep its saturation ratio temperature, then drop onto in packing layer 24, contact with upstream steam, the residual oxygen in water completely spreads and washes out, and obtains deep deoxygenization.Water through deep deoxygenization filtered through communicating pipe 18, imported in water storage tank 2.
Claims (10)
1. a steam turbine device generating set de-aerator plant, mainly formed by deoxygenator (1) and water storage tank (2), described water storage tank (2) is installed on bearing A(3) on, described deoxygenator (1) is positioned at described water storage tank (2) top, centre is fixed with bearing B(4), end socket top, described deoxygenator (1) left side is provided with a manhole A(5), top is provided with safety valve A(6), vapour outlet (7), condensed water import (8), venting port A(9), described deoxygenator (1) inside is provided with revolves film device (10), the described film device (10) that revolves is connected with described condensed water import (8), described water storage tank (2) top is provided with safety valve B(11) and venting port B(12), end socket below, left side is provided with manhole B(13), bottom is provided with water port (14), thief hole (15), water outlet (16), described water storage tank (2) middle and upper part, right side is also provided with a high-water interface (17), between described deoxygenator (1) bottom and water storage tank top (2), be provided with communicating pipe (18), it is characterized in that: described deoxygenator (1) left and right sides is provided with transverse wall (19) and vertical clapboard (20), described transverse wall (19) is vertically connected with vertical clapboard (20), below, described deoxygenator (1) left and right sides is provided with steam inlet (21), described steam inlet (21) stretches into described deoxygenator (1) inside, be positioned at described transverse wall (19) below, described communicating pipe (18) is protruded described deoxygenator (1) end, stainless steel filtering net (22) and anti-vortex device (23) are fixed in top.
2. a kind of steam turbine generating set de-aerator plant according to claim 1, is characterized in that: between described two vertical clapboards (19), be provided with a packing layer (24), described packing layer (24) top is provided with a HP heater drainage pipe (31).
3. a kind of steam turbine generating set de-aerator plant according to claim 1, is characterized in that: described in revolve film device (10) and formed by some vertically arranged short tubes (25), described short tube (25) upper end have some tangential small-holes.
4. a kind of steam turbine generating set de-aerator plant according to claim 1, is characterized in that: between described deoxygenator (1) and water storage tank (2), be also provided with a pressure equalizing pipe (26).
5. a kind of steam turbine generating set de-aerator plant according to claim 1, is characterized in that: described water storage tank (2) is provided with a magnetic float level indicator (27) and thermopair (28).
6. a kind of steam turbine generating set de-aerator plant according to claim 1, is characterized in that: described water storage tank (2) bottom inside is provided with a stainless steel heating tube (29), and described stainless steel tube (29) is connected with high-temperature steam pipeline.
7. a kind of steam turbine generating set de-aerator plant according to claim 1, is characterized in that: described deoxygenator (1) outer side wall is provided with thermal insulation layer.
8. a kind of steam turbine generating set de-aerator plant according to claim 1, is characterized in that: described communicating pipe (18) outer wall be provided with a steel plate enhancement Layer (30).
9. a kind of steam turbine generating set de-aerator plant according to claim 1, is characterized in that: described safety valve A(6) quantity is at least 2, described safety valve B(11) quantity is at least 2.
10. a kind of steam turbine generating set de-aerator plant according to claim 1, is characterized in that: device is at least coated with one deck inorganic zinc primer, and its desciccator diaphragm thickness is 76 ~ 127 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171495.XU CN203768062U (en) | 2014-04-10 | 2014-04-10 | Deaerating device for steam turbine generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171495.XU CN203768062U (en) | 2014-04-10 | 2014-04-10 | Deaerating device for steam turbine generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203768062U true CN203768062U (en) | 2014-08-13 |
Family
ID=51285276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420171495.XU Expired - Lifetime CN203768062U (en) | 2014-04-10 | 2014-04-10 | Deaerating device for steam turbine generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203768062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180147A (en) * | 2015-10-27 | 2015-12-23 | 张荣斌 | Deoxidizing equipment for thermal power unit of thermal power plant |
-
2014
- 2014-04-10 CN CN201420171495.XU patent/CN203768062U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180147A (en) * | 2015-10-27 | 2015-12-23 | 张荣斌 | Deoxidizing equipment for thermal power unit of thermal power plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |