CN201496944U - Residual steam recovery device of thermal deaerator - Google Patents
Residual steam recovery device of thermal deaerator Download PDFInfo
- Publication number
- CN201496944U CN201496944U CN2009203105353U CN200920310535U CN201496944U CN 201496944 U CN201496944 U CN 201496944U CN 2009203105353 U CN2009203105353 U CN 2009203105353U CN 200920310535 U CN200920310535 U CN 200920310535U CN 201496944 U CN201496944 U CN 201496944U
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- CN
- China
- Prior art keywords
- surplus
- water
- recovery device
- thermal deaerator
- vapour condenser
- 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 - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The utility model relates to a residual steam recovery device of a thermal deaerator, comprising a residual steam condenser, a condensed water recovery device and a desalted water mixer, wherein the residual steam inlet of the residual steam condenser is connected with the residual steam outlet of the thermal deaerator, the desalted water inlet is connected with a desalted water branch pipe, the condensed water outlet and the desalted water outlet are respectively connected with the condensed water recovery device, and an oxygen exhaust is also arranged on the residual steam condenser; the water outlet of the condensed water recovery device is connected with an inlet of the desalted water mixer; and the other inlet of the desalted water mixer is sequentially connected with a desalted water main pipe, the outlet and an oxygen water removing main pipeline of the thermal deaerator. The residual steam recovery device of the thermal deaerator can achieve the effect of saving water resources when ensuring high efficiency deaeration of the deaerator.
Description
Technical field
The utility model relates to a kind of surplus recovery device for steam of thermal deaerator.
Background technology
The main effect of oxygen-eliminating device is oxygen and other incondensable gas of removing in the boiler feedwater, to guarantee the quality of feedwater.If oxygen in water gas will make the metal that contacts with water be corroded, the while if there is gas to build up, will make the thermal resistance of heat transfer increase in heat exchanger, reduce the heat-transfer effect of equipment.Therefore it all is disadvantageous being dissolved with any gas in the water, oxygen especially, and it will directly threaten the safe operation of equipment.Adopt thermal de-aeration in thermal power plant, oxygen-eliminating device itself is again a contact(-type) heater in the water supply heat back system, hydrophobic, the chemical moisturizing of the high-pressure heater simultaneously and full factory high pressure that water quality is qualified everywhere is hydrophobic, steam discharge etc. all can import oxygen-eliminating device and be used reduces the loss of steam and water in power plant.
Thermal deaerator comes deoxygenation with heating steam, according to the dissolution characteristics of gas in the water, want when any gas is removed in the water, as long as this gas that exists on the water surface is removed, therefore wish to get rid of all gases in the water, preferably have only water vapour on the water surface and do not have other gas.Thermal deaerator heats water to boiling point exactly, the solubility of oxygen is reduced and overflows, and the oxygen that produces on the water surface is got rid of again, and makes to be full of steam, water oxygen gas is constantly overflowed, and guarantee that the feedwater oxygen content reaches the feed-water quality standard-required.
At present, the residual steam after the thermal deaerator deoxygenation is directly discharged, and has caused the waste of water resource.
The utility model content
Technical problem to be solved in the utility model provides a kind of surplus recovery device for steam of thermal deaerator, can reach energy-conservation effect when guaranteeing the efficient deoxygenation of oxygen-eliminating device.
For solving the problems of the technologies described above, the utility model proposes a kind of surplus recovery device for steam of thermal deaerator, comprise surplus vapour condenser, condensed water recover and demineralized water blender, surplus vapor outlet, the demineralized water import that surplus vapor inlet on the described surplus vapour condenser connects thermal deaerator connects demineralized water arm, condensation-water drain and demineralized water outlet and connects described condensed water recover respectively, also is provided with the deoxygenation gas port on the described surplus vapour condenser; The delivery port of described condensed water recover connects an inlet of described demineralized water blender; Another inlet of described demineralized water blender meets the demineralized water house steward, exports the deaerated water trunk line that is connected to thermal deaerator.
Further, the surplus recovery device for steam of above-mentioned thermal deaerator also can have following characteristics, is provided with a plurality of U-shaped heat-exchanging tube bundles in the described surplus vapour condenser.
Further, the surplus recovery device for steam of above-mentioned thermal deaerator also can have following characteristics, the direction that described surplus vapour condenser inside is parallel to described U-shaped heat-exchanging tube bundle axis is provided with baffle plate, and the direction perpendicular to described baffle plate on the described surplus vapour condenser inwall is provided with a plurality of deflection plates.
Further, the surplus recovery device for steam of above-mentioned thermal deaerator also can have following characteristics, and described surplus vapour condenser is corrosion resistant surplus vapour condenser.
The surplus recovery device for steam of thermal deaerator of the present utility model can reach the effect of conserve water resource when guaranteeing the efficient deoxygenation of oxygen-eliminating device.
Description of drawings
Fig. 1 is the surplus recovery device for steam structure chart of the utility model thermal deaerator;
Fig. 2 is a kind of cut-away view of surplus vapour condenser among Fig. 1;
Fig. 3 is the cross-sectional view of surplus vapor inlet among Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
Fig. 1 is the surplus recovery device for steam structure chart of the utility model thermal deaerator.As shown in Figure 1, the surplus recovery device for steam of thermal deaerator of the present utility model comprises surplus vapour condenser 111, condensed water recover 112 and demineralized water blender 113, wherein, surplus vapor outlet, the demineralized water import b that surplus vapor inlet c on the surplus vapour condenser 111 connects thermal deaerator meets demineralized water arm 115, condensation-water drain d and demineralized water outlet a and connects condensed water recover 112 respectively, also is provided with deoxygenation gas port e on the surplus vapour condenser 111; The delivery port of condensed water recover 112 connects an inlet of demineralized water blender 113; Another inlet of demineralized water blender 113 meets the demineralized water house steward, exports the deaerated water trunk line that is connected to thermal deaerator.
The operation principle of the surplus recovery device for steam of the utility model thermal deaerator is: the employing thermal deaerator is partly intake and the thermal deaerator steam discharge carries out surface heat exchanging in surplus vapour condenser, excess steam in the steam discharge is condensed into water, with condensed water recover and demineralized water blender condensed water and heat exchange water are recycled among the deaerated water trunk line of thermal deaerator then, thereby have reclaimed whole heat energy and water in the surplus vapour.
Wherein, surplus vapour condenser adopts corrosion resistant efficient surplus vapour condenser.
Fig. 2 is a kind of cut-away view of surplus vapour condenser among Fig. 1.As shown in Figure 2, be provided with a plurality of U-shaped heat-exchanging tube bundles 15 in the surplus vapour condenser.Again as shown in Figure 2, the direction that surplus vapour condenser inside is parallel to U-shaped heat-exchanging tube bundle 15 axis is provided with baffle plate 16, and the direction perpendicular to baffle plate 16 on the surplus vapour condenser inwall is provided with a plurality of deflection plates 17.Among Fig. 2,1 is the front-end end enclosure of surplus vapour condenser, and 2 is that the front end bobbin carriage of surplus vapour condenser is simplified, 3 (or b) are the demineralized water import of surplus vapour condenser, and 4 is isometric studs, and 5 is the tube side side flange, 6 is the shell side side flange, and 7 is fixed saddle, and 8 is movable saddle, 9 is the condensed water water collect tank, and 10 is the water collect tank stiffening ring, and 11 is the flange stiffening ring, 12 (or d) are condensation-water drain, 13 is the rear end end socket, and 14 (or e) are the deoxygenation gas port, and 15 is the U-shaped heat-exchanging tube bundle, 16 is baffle plate, 17 is deflection plate, and 18 (or c) are surplus vapor inlet, and 19 is pad, 20 is tube sheet, 21 (or a) be the demineralized water outlet, and 22 be the ozzle stiffening ring, 23 for dividing a title dividing plate.
Fig. 3 is the cross-sectional view of surplus vapor inlet 18 among Fig. 2.
The surplus recovery device for steam of thermal deaerator of the present utility model can constitute the unit and heat the surplus steam reclamation system of power oxygen-eliminating device, guarantee that thermal deaerator does not have any emission loss, it is unobstructed to cross the runner of guaranteeing thermal deaerator deoxygenation gas, reaches energy-conservation effect in the efficient deoxygenation that fully guarantees thermal deaerator.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. the surplus recovery device for steam of a thermal deaerator, it is characterized in that, comprise surplus vapour condenser, condensed water recover and demineralized water blender, surplus vapor outlet, the demineralized water import that surplus vapor inlet on the described surplus vapour condenser connects thermal deaerator connects demineralized water arm, condensation-water drain and demineralized water outlet and connects described condensed water recover respectively, also is provided with the deoxygenation gas port on the described surplus vapour condenser; The delivery port of described condensed water recover connects an inlet of described demineralized water blender; Another inlet of described demineralized water blender meets the demineralized water house steward, exports the deaerated water trunk line that is connected to thermal deaerator.
2. the surplus recovery device for steam of thermal deaerator according to claim 1 is characterized in that, is provided with a plurality of U-shaped heat-exchanging tube bundles in the described surplus vapour condenser.
3. the surplus recovery device for steam of thermal deaerator according to claim 2, it is characterized in that, the direction that described surplus vapour condenser inside is parallel to described U-shaped heat-exchanging tube bundle axis is provided with baffle plate, and the direction perpendicular to described baffle plate on the described surplus vapour condenser inwall is provided with a plurality of deflection plates.
4. according to the surplus recovery device for steam of each described thermal deaerator of claim 1 to 3, it is characterized in that described surplus vapour condenser is corrosion resistant surplus vapour condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203105353U CN201496944U (en) | 2009-09-16 | 2009-09-16 | Residual steam recovery device of thermal deaerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203105353U CN201496944U (en) | 2009-09-16 | 2009-09-16 | Residual steam recovery device of thermal deaerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201496944U true CN201496944U (en) | 2010-06-02 |
Family
ID=42440150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203105353U Expired - Fee Related CN201496944U (en) | 2009-09-16 | 2009-09-16 | Residual steam recovery device of thermal deaerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201496944U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425782A (en) * | 2011-10-19 | 2012-04-25 | 首钢总公司 | Method for recovering dead steam of thermal-power deaerator |
| CN104085940A (en) * | 2014-06-13 | 2014-10-08 | 江苏巴威节能服务有限公司 | Condensate water and demineralized water mixed recovery two-stage deoxygenization apparatus |
| CN104085941A (en) * | 2014-06-13 | 2014-10-08 | 江苏巴威节能服务有限公司 | Secondary deoxidizing device for performing indirect heat exchange and forced mixing on condensed water and desalted water and recovering exhaust steam |
-
2009
- 2009-09-16 CN CN2009203105353U patent/CN201496944U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425782A (en) * | 2011-10-19 | 2012-04-25 | 首钢总公司 | Method for recovering dead steam of thermal-power deaerator |
| CN102425782B (en) * | 2011-10-19 | 2013-09-25 | 首钢总公司 | Method for recovering dead steam of thermal-power deaerator |
| CN104085940A (en) * | 2014-06-13 | 2014-10-08 | 江苏巴威节能服务有限公司 | Condensate water and demineralized water mixed recovery two-stage deoxygenization apparatus |
| CN104085941A (en) * | 2014-06-13 | 2014-10-08 | 江苏巴威节能服务有限公司 | Secondary deoxidizing device for performing indirect heat exchange and forced mixing on condensed water and desalted water and recovering exhaust steam |
| CN104085941B (en) * | 2014-06-13 | 2015-09-30 | 江苏巴威工程技术股份有限公司 | Secondary deaerating plant is reclaimed in the exhaust steam of condensed water demineralized water indirect heat exchange Forced Mixing |
| CN104085940B (en) * | 2014-06-13 | 2015-09-30 | 江苏巴威工程技术股份有限公司 | Secondary deaerating plant is reclaimed in the mixing of condensed water demineralized water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20120916 |