CN203443392U - Condenser system with deoxygenation function - Google Patents
Condenser system with deoxygenation function Download PDFInfo
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- CN203443392U CN203443392U CN201320054355.XU CN201320054355U CN203443392U CN 203443392 U CN203443392 U CN 203443392U CN 201320054355 U CN201320054355 U CN 201320054355U CN 203443392 U CN203443392 U CN 203443392U
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- deoxygenation
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Abstract
The utility model relates to a condenser system for a cogeneration turbine set, especially a condenser system with a deoxygenation function. According to the utility model, the condenser system with the deoxygenation function is provided to an industrial cogeneration system, a deaerator disposed independently is canceled, air entering into a condenser is avoided and a requirement for vacuum deoxygenation by supercooling degree in condensation water is avoided. The condenser system with the deoxygenation function comprises a condenser which is communicated with an air extracting device, a cooling tower and a hot well, wherein a heater is disposed at the communication position between the condenser and the hot well. The condenser system with the deoxygenation function in the utility model has a simple structure, satisfies a requirement for oxygen content of water as supplied by a waste heat boiler and has good deoxygenation effect.
Description
Technical field
The utility model relates to a kind of cogeneration steam condenser of steam turbine set system, particularly band deoxygenation function condenser system.
Background technology
In industrial exhaust heat power generation system, waste heat boiler feedwater oxygen content requires to be generally less than 50 μ g/L, in order to reach requirement, common way is that system increases deaeration plant, the flue-gas temperature of utilizing according to waste heat boiler is generally lower, in order to utilize more waste heat, generally adopt vacuum oxygen-removing method, deaeration plant need to configure large volume water tank, and conventionally need high-order layout, the supporting construction that makes system complex and need to strengthen factory building.The Turbo-generator Set that adopts condensing, its condenser is exactly a vacuum tank, can be used as deaeration in condenser and uses, thereby do not need to increase independently oxygen-eliminating device again.In actual motion, when in condenser, exhaust steam condenses to saturation temperature, the substantially oxygen-free gas of saturation water, can reach the requirement of boiler feedwater.But because air enters condenser, and there is degree of supercooling in condensate water, and condensate water is dissolved oxygen again, thus air enter that to have degree of supercooling with condensate water be two factors that the oxygen content that causes the condensate water of condenser cannot reach waste heat boiler feedwater requires.
Summary of the invention
The utility model provides a kind of band deoxygenation function condenser system for industrial exhaust heat power generation system, cancels the independent oxygen-eliminating device arranging, and avoid air in condenser enter and there is the requirement of degree of supercooling to deaeration in condenser in condensate water.
For achieving the above object, the utility model is taked following technical scheme:
Band deoxygenation function condenser system, comprises condenser, and condenser is communicated with air extractor, and condenser is communicated with cooling tower, and condenser is communicated with hot well, and the connectivity part of condenser and hot well is provided with heater.
Steam turbine vent connection in afterheat generating system and condenser are connected, the exhaust steam that steam turbine is discharged enters condenser and is cooled and condenses, exhaust steam is in condenser in saturated condensation process, the oxygen dissolving is precipitated, and detached condenser by air extractor, can reach the requirement of boiler feedwater, compare the high-order vacuum dust cather of arranging in existing condenser system, greatly simplify system; Simultaneously, after the heating of condensate water heater via, flow to again hot well, make condensate water before entering hot well, keep saturation state, reduce the dissolved oxygen of condensate water, when thereby avoided condensate water to be cooled recirculated cooling water sub-cooled that tower provides becomes subcooled water, contact with the air of the condenser that bleeds and again dissolved oxygen cause the situation that oxygen content of condensate exceeds standard, qualified deoxygenation condensate water flows out for waste heat boiler from hot well.
In order to solve the feedwater of waste heat boiler, technique scheme can be done following improvement: the condensate water from hot well through condensate pump can not contact with air, hot well is communicated with condensate pump, boiler feed pump successively, makes the use that is together in series of condensate pump and boiler feed pump.Condenser is communicated with small pump, buffer tank successively by atomizer, and supplementary hose passes into buffer tank, buffer tank and condensate pump, the corresponding connection of boiler feed pump.When waste heat boiler does not need feedwater or confluent to reduce, condensate water is stored into buffer tank, and outside supplementary hose directly adds to buffer tank; When waste heat boiler need increase feedwater, by small pump, the soft water of buffer tank is mended to condenser, at the water supplement port of condenser, be provided with atomizer and guarantee that hyperoxic moisturizing can deoxygenation completely in condenser, thereby reach, in the situation that cancelling vacuum dust cather, guarantee that feedwater oxygen content is up to standard.
In order to solve the feedwater of waste heat boiler; technique scheme can also be done following improvement: supplement hose and be communicated with condenser by atomizer; hot well is communicated with buffer tank by condensate pump, and buffer tank is communicated with boiler feed pump, and nitrogen protection pipe passes into buffer tank.Supplement hose and adopt spraying moisturizing to be also arranged on condenser throat, after atomization, moisturizing forms droplet and discharges the contained on-condensible gases such as oxygen after by condenser, to reach the object of deaeration in condenser, makes boiler feedwater meet oxygen content requirement.Buffer tank passes into nitrogen by nitrogen protection pipe, makes deoxygenation condensate water and air insulated, prevents dissolved oxygen again.
The utility model is simple in structure, has met the requirement of waste heat boiler feedwater oxygen content, and deaerating effect is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of embodiment 2;
Description of reference numerals: 1-steam turbine; Reheater in 2-machine; 3-generator; 4-condenser; 5-heater; 6-hot well; 7-condensate pump; 8-buffer tank; 9-boiler feed pump; 10-small pump; 11-atomizer; 12-reheater drain pipe; 13-supplements hose; 14-waste heat boiler; 15-air extractor; 16-cooling tower; 17-nitrogen protection pipe.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model content is described further.
Embodiment 1
As shown in Figure 1, the present embodiment comprises condenser 4, hot well 6, condensate pump 7, boiler feed pump 9 and buffer tank 8, buffer tank 8 is communicated with supplementary hose 13, buffer tank 8 and condensate pump 7, the corresponding connection of boiler feed pump 9, buffer tank 8 is communicated with condenser 4 by small pump 10 and is provided with atomizer 11 in the throat of condenser 4, condenser 4 is communicated with hot well 6, hot well 6 is communicated with condensate pump 7, condensate pump 7 is communicated with boiler feed pump 9, and condenser 4 is provided with heater 5 with the connectivity part of hot well 6.Condenser 4 is communicated with formation loop with cooling tower 16, condenser 4 is communicated with air extractor 15, boiler feed pump 9.
As shown in Figure 1, the present embodiment is applied to the steam turbine 1 with organic interior reheater 2, saturated vapor enters steam turbine 1 and drives generator 3 generatings, after steam acting, exhaust steam enters condenser 4 and is cooled and condenses, exhaust steam is in the saturated condensation process of condenser 4, the oxygen dissolving is precipitated, and detached condenser 4 by extract system 15, cooling water recycles by cooling tower 16, if condensate water is become subcooled water by sub-cooled, may contact with the air of the condenser 4 that bleeds and dissolved oxygen again, cause oxygen content of condensate to exceed standard, system is at the hot well 6 entrance mounting heaters 5 of condenser 4, the thermal source of heater 5 provides by reheater in machine 2 is hydrophobic by reheater drain pipe 12, heater 5 is heated into saturation water by the subcooled condensation water that enters hot well 6, assurance condensate water is oxygen-free, the thermal source of heater 5 is used hydrophobic after heat acting steam again of reheater 2 in steam turbine 1 machine, qualified deoxygenation condensate water by condensate pump 7 and boiler feed pump 9 directly for waste heat boiler 14.When waste heat boiler 14 does not need feedwater or confluent to reduce, condensate water is stored into buffer tank 8, outside supplementary hose 13 directly adds to buffer tank 8, when waste heat boiler 14 increases feedwater, by small pump 10, the soft water of buffer tank 8 is mended to condenser 4, atomizer 11 guarantees that hyperoxic moisturizing can deoxygenation completely in condenser 4, thereby reach, guarantees that feedwater oxygen content is up to standard in the situation that cancelling vacuum dust cather.The thermal source of the present embodiment heater 5 is not limited in machine that reheater 2 is hydrophobic, and its thermal source is according to the actual conditions in power station, and the hydrophobic or hot water at other position also can be used, if hydrophobic quantity not sufficient also can directly be used low-pressure steam.3～8 times of the increases of the present embodiment hot well 6 volumetric ratio conventional power plants, to adapt to the cogeneration large feature that fluctuates, but hot well 6 is as far as possible little with condenser 4 interfaces, reduces contacting of condensed water and air in hot well 6.Atomizer 11 is arranged on condenser 4 throats, the oxygen content of moisturizing is higher, the general 10000 μ g/L that surpass, adopt spraying moisturizing and be arranged on condenser 4 throats, after atomization, moisturizing forms droplet by the contained on-condensible gases such as oxygen of the rear release of condenser 4, to reach the object of condenser 4 deoxygenations, make waste heat boiler 14 feedwater meet oxygen content requirement.
As shown in Figure 2; the present embodiment difference from Example 1 is the water supply modes of waste heat boiler 14; the supplementary hose 13 of the present embodiment is communicated with condenser 4 by atomizer 11; hot well 6 is communicated with buffer tank 8 by condensate pump 7; buffer tank 8 is communicated with boiler feed pump 9; also comprise nitrogen protection pipe 17, nitrogen protection pipe 17 passes into buffer tank 8.Qualified deoxygenation condensate water is delivered to buffer tank 8 by condensate pump 7, and buffer tank 8 uses nitrogen protection, makes deoxygenation condensate water and air insulated, prevents dissolved oxygen again, then passes through boiler feed pump 9 for waste heat boiler 14.When buffer tank 8 water levels are when too high, water can flow out by overfall, when buffer tank 8 water levels are when too low, by supplementing hose 13, directly soft water is added to condenser 4 throats, water supplement port is installed atomizer 11, guarantee that moisturizing that content is high can deoxygenation completely in condenser 4, thereby reach, in the situation that cancelling vacuum dust cather, guarantee that feedwater oxygen content is up to standard.
Claims (3)
1. band deoxygenation function condenser system, comprises condenser, and condenser is communicated with air extractor, and condenser is communicated with cooling tower, and condenser is communicated with hot well, it is characterized in that: the connectivity part of described condenser and hot well is provided with heater.
2. band deoxygenation function condenser system as claimed in claim 1, it is characterized in that: described hot well is communicated with condensate pump, boiler feed pump successively, described condenser is communicated with small pump, buffer tank successively by atomizer, also comprise supplementary hose, supplementary hose passes into buffer tank, buffer tank and condensate pump, the corresponding connection of boiler feed pump.
3. band deoxygenation function condenser system as claimed in claim 1; it is characterized in that: also comprise and supplement hose and nitrogen protection pipe; described supplementary hose is communicated with condenser by atomizer; hot well is communicated with buffer tank by condensate pump; buffer tank is communicated with boiler feed pump, and nitrogen protection pipe passes into buffer tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320054355.XU CN203443392U (en) | 2013-01-30 | 2013-01-30 | Condenser system with deoxygenation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320054355.XU CN203443392U (en) | 2013-01-30 | 2013-01-30 | Condenser system with deoxygenation function |
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| Publication Number | Publication Date |
|---|---|
| CN203443392U true CN203443392U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320054355.XU Expired - Fee Related CN203443392U (en) | 2013-01-30 | 2013-01-30 | Condenser system with deoxygenation function |
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| CN (1) | CN203443392U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066731A (en) * | 2015-08-03 | 2015-11-18 | 江苏永钢集团有限公司 | Steam condensation device of steam turbine |
| CN105443172A (en) * | 2015-12-27 | 2016-03-30 | 安徽淮化股份有限公司 | System for improving acting efficiency of steam turbine |
| CN109813138A (en) * | 2019-03-07 | 2019-05-28 | 大唐东营发电有限公司 | A kind of boiler condenser two-stage vacuum pump control system |
-
2013
- 2013-01-30 CN CN201320054355.XU patent/CN203443392U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066731A (en) * | 2015-08-03 | 2015-11-18 | 江苏永钢集团有限公司 | Steam condensation device of steam turbine |
| CN105443172A (en) * | 2015-12-27 | 2016-03-30 | 安徽淮化股份有限公司 | System for improving acting efficiency of steam turbine |
| CN105443172B (en) * | 2015-12-27 | 2017-12-19 | 安徽淮化股份有限公司 | System for improving steam turbine mechanical efficiency |
| CN109813138A (en) * | 2019-03-07 | 2019-05-28 | 大唐东营发电有限公司 | A kind of boiler condenser two-stage vacuum pump control system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20200130 |