CN201772769U - Air-evaporation serial efficient composite condenser - Google Patents
Air-evaporation serial efficient composite condenser Download PDFInfo
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- CN201772769U CN201772769U CN2010205137120U CN201020513712U CN201772769U CN 201772769 U CN201772769 U CN 201772769U CN 2010205137120 U CN2010205137120 U CN 2010205137120U CN 201020513712 U CN201020513712 U CN 201020513712U CN 201772769 U CN201772769 U CN 201772769U
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- 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
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Abstract
The utility model relates to the technical field of condensation of dead steam, and discloses an air-evaporation serial efficient composite condenser which comprises an air-cooled condenser and an evaporation type condenser. A steam distributing tube (12) communicated with a steam exhaust tube of a steam turbine is directly connected into the air-cooled condenser (13), the steam distributing tube (12) is communicated with a condensate water header (18) of the air-cooled condenser through a direct-flow tube bank (17) of the air-cooled condenser, the condensate water header (18) of the air-cooled condenser is communicated with a reverse-flow tube bank (17) of the air-cooled condenser, the condensate water header (18) of the air-cooled condenser is communicated with a direct-flow tube bank (20) of the evaporation type condenser, the tail ends of the reverse-flow tube bank (17) of the air-cooled condenser and the reverse-flow tube bank (21) of the evaporation type condenser are communicated with a vacuumizing system (19), and the condensate water header (18) of the air-cooled condenser and a condensate header (22) of the evaporation type condenser are communicated with a condensate tank (15). The air-evaporation serial efficient composite condenser is suitable for being used for reforming the existing air-cooled condensation system, and maintains the working status of the original air-cooled condenser.
Description
Technical field
The utility model relates to exhaust steam condensation technology field, relates in particular to a kind of empty compound condenser of series connection high efficiency that steams.
Background technology
At present, the process that condensing power plant produces electric energy is the process of a power conversion, the chemical energy that is fuel is transformed into saturated vapor by boiler 1 with water, saturated vapor becomes superheated steam after superheater 2 is overheated, the superheated steam acting of in steam turbine 3, expanding, change the heat energy of steam into mechanical energy, by generator 4 the most at last mechanical energy convert electric energy to.The low-pressure saturated steam that expands after doing work is condensed into condensate water through condenser 5, deliver to condensate polishing system by condensate pump 6 then, it is recycling to get back to boiler 1 after the processing, promptly delivering to condensate water precision processing center 7 by condensate pump 6 handles, condensate water after the processing enters deaerating plant 9 after low-pressure heater 8 heating, deliver to high-pressure heater 11 by feed pump 10 again, it is recycling that permanent set water is got back to boiler 1 once more, as shown in Figure 1.
In order to improve the conversion ratio of energy, reduce thermal loss as far as possible, the efficient of the core steam turbine 3 of raising system is particularly crucial.The condensing effect of condenser 5 has determined the vacuum of steam turbine in power plant system, and the vacuum of steam turbine directly affects the efficient of steam turbine 3, so the choose reasonable of condenser 5 plays key effect to the efficient of power plant.
Be rich coal and the area of lack of water in NORTHWEST CHINA, North China, so power plant has all adopted Direct Air-Cooled formula condensing system mostly, but when summer or environment temperature were higher, air cooling condensing effect descended significantly, and the generated energy of unit also descends thereupon; And be peak times of power consumption summer, and low excessively generating efficiency has a strong impact on the normal operation of national economic system, and the solution of this problem is imminent.Normal direct air cooling system and the indirect air cooling system of adopting in the existing power plant condensing system, described direct air cooling system, adopt turbine discharge to deliver in the finned-tube bundle of air cooling tubes condenser 13 through steam-distributing pipe 12, the cooling air condenses by the steam that axial flow blower 14 will flow finned tube outside in will managing, and the condensate water that obtains enters condensate tank 15 and then delivers to boiler by condensate pump 6 and carry out recycling.This system does not need intermediate cooling mediums such as cooling water, and initial temperature differences is big.Equipment is few, and system is simple, and capital expenditure is less, takes up an area of few.The adjusting of air capacity is flexible, and the preventing freeze in winter measure is reliable.But, also increased noise simultaneously because Direct Air-Cooled adopts forced ventilation mostly, thereby has increased the station-service electric weight.And its heat exchange effect is subject to external environment dry bulb temperature ball impact, and temperature is high eventually by cold medium, back pressure height, generating efficiency instability.And the Hai Le system of indirect air cooling system and Harmon system equipment complexity, investment, production cost height.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides the empty compound air cooling tubes condenser of series connection high efficiency that steams, and the advantage of existing air cooling tubes condenser water saving has vaporation-type condenser heat exchange efficiency height, energy-conservation, advantage such as the condensing back pressure is low again; And system is stable, and is safe and reliable.
For achieving the above object, the utility model adopts following technical scheme:
The described empty compound condenser of series connection high efficiency that steams, comprise: air cooling tubes condenser, vaporation-type condenser, the steam-distributing pipe that is communicated with the turbine discharge pipeline directly feeds air cooling tubes condenser, air cooling tubes condenser has air cooling tubes condenser following current tube bank and the tube bank of air cooling tubes condenser adverse current, steam-distributing pipe is communicated with air cooling tubes condenser condensate water header by air cooling tubes condenser following current tube bank, and air cooling tubes condenser condensate water header is communicated with the tube bank of air cooling tubes condenser adverse current; Described air cooling tubes condenser condensate water header is communicated with vaporation-type condenser following current tube bank, and the vaporation-type condenser following current tube bank other end is communicated with the tube bank of vaporation-type condenser adverse current by vaporation-type condenser condensed water header; Described air cooling tubes condenser adverse current tube bank is communicated with pumped vacuum systems by pipeline with the end of vaporation-type condenser adverse current tube bank; Described air cooling tubes condenser condensate water header, vaporation-type condenser condensed water header are communicated with condensate tank by pipeline.
The described empty compound condenser of series connection high efficiency that steams, the air cooling tubes condenser below is provided with axial flow blower.
The described empty compound condenser of series connection high efficiency that steams, the vaporation-type condenser is provided with spray system and quenching system.
Owing to adopt aforesaid technical scheme, the utlity model has following superiority:
This sky steams the compound condenser of series connection high efficiency, adopt the comprehensive formation of sensible heat and latent heat, promptly cascade evaporation formula condenser constitutes " sky-steaming " efficient compound condenser in traditional air cooling condensing system, this condenser is applicable to existing air cooling condensing system transformation, be particularly useful for transformation, cascade evaporation formula condenser behind traditional air cooling tubes condenser to traditional air cooling island; The utility model hollow condensation vapour system keeps former duty constant, has kept former air cooling tubes condenser duty.
1, the advantage of existing air cooling tubes condenser heat exchange water saving has vaporation-type condenser heat exchange efficiency height, energy-conservation, advantage such as the condensing back pressure is low again; And system is stable, and is safe and reliable.When air cooling tubes condenser can satisfy system's needs when environment temperature is low, the vaporation-type condenser can be sentenced closed condition, and condenser is water consumption not fully.
2, when environment temperature is higher than a certain temperature, when air cooling tubes condenser can not be satisfied the demand, open the vaporation-type condenser, because of the vaporation-type condenser adopts the latent heat heat transfer mechanism, good effect of heat exchange, the condensing back pressure is low, and water consumption is little; The overall water consumption of condenser is little.
Description of drawings
Fig. 1 is existing direct air cooled condenser user mode figure;
Fig. 2 is the utility model exhaust steam user mode schematic diagram that condenses;
Fig. 3 is this practical vaporation-type condenser structural representation;
Among the figure: 1-boiler, 2-superheater, 3-steam turbine, the 4-generator, 5-condenser, 6-condensate pump, 7-condensate water precision processing center, 8-low-pressure heater, 9-deaerating plant, the 10-feed pump, the 11-high-pressure heater, 12-steam-distributing pipe, 13-air cooling tubes condenser, the 14-axial flow blower, the 15-condensate tank, 16-air cooling tubes condenser following current tube bank, the tube bank of 17-air cooling tubes condenser adverse current, 18-air cooling tubes condenser condensate water header, the 19-pumped vacuum systems, 20-vaporation-type condenser following current tube bank, the tube bank of 21-vaporation-type condenser adverse current, 22-vaporation-type condenser condensed water header, 23-vaporation-type condenser.
The specific embodiment
Shown in Fig. 2,3: a kind of empty compound condenser of series connection high efficiency that steams, comprise: air cooling tubes condenser 13, vaporation-type condenser 23, the steam-distributing pipe 12 that is communicated with the turbine discharge pipeline directly feeds air cooling tubes condenser 13, air cooling tubes condenser 13 has air cooling tubes condenser following current tube bank 16 and air cooling tubes condenser adverse current tube bank 17, steam-distributing pipe 12 is communicated with air cooling tubes condenser condensate water header 18 by air cooling tubes condenser following current tube bank 16, and air cooling tubes condenser condensate water header 18 is restrained 17 with the air cooling tubes condenser adverse current and is communicated with; Described air cooling tubes condenser condensate water header 18 is communicated with vaporation-type condenser following current tube bank 20, and the following current of vaporation-type condenser is restrained 20 other ends and is communicated with vaporation-type condenser adverse current tube bank 21 by vaporation-type condenser condensed water header 22; Described air cooling tubes condenser adverse current tube bank 17 is communicated with pumped vacuum systems 19 by pipeline with the end of vaporation-type condenser adverse current tube bank 21; Described air cooling tubes condenser condensate water header 18 is communicated with condensate tank 15 by pipeline with vaporation-type condenser condensed water header 22.Described air cooling tubes condenser is provided with axial flow blower 14.Described vaporation-type condenser 23 is provided with spray system and quenching system.
The sky that the utility model proposes steams the compound condenser of series connection high efficiency, adopt the comprehensive formation of sensible heat and latent heat, promptly cascade evaporation formula condenser constitutes " sky-steaming " efficient compound condenser in traditional air cooling condensing system, this condenser is applicable to the transformation to traditional air cooling island, in series connection is transformed, the air cooling condensing system keeps former duty constant, uncooled steam enters in the vaporation-type condenser 23 along condensate water header 18 in the air cooling tubes condenser, in vaporation-type condenser 23 by steam in the recirculated water evaporative condenser pipe.
During work, turbine discharge is sent into the air cooling tubes condenser master by pipeline and is distinguished following current tube bank 16 with fixed attention, axial flow blower 14 forces cold air to flow through outside finned following current tube bank 16, saturated vapor is condensed into water in will restraining, air cooling tubes condenser following current tube bank 16 residual steam of not condensing are leaded up to air cooling tubes condenser condensate water header 18 and are entered air cooling tubes condenser adverse current tube bank 17 and continue to condense, and incoagulable gas is discharged by pumped vacuum systems 19; Continue to condense by vaporation-type condenser following current tube bank 20, the adverse current tube bank 21 that is communicated with in air cooling tubes condenser following current tube bank 16 another roads of the residual steam of not condensing, incoagulable gas is discharged by the pumped vacuum systems 19 that the vaporation-type condenser is communicated with; The condensate water that comes together in vaporation-type condenser condensed water header 22, the air cooling tubes condenser condensate water header 18 is delivered to condensate tank 15 by pipeline.It is recycling to send into condensate polishing system by condensate pump 6 again.
1, a kind of empty compound condenser of series connection high efficiency that steams, comprise: air cooling tubes condenser (13), vaporation-type condenser (23), it is characterized in that: the steam-distributing pipe (12) that is communicated with the turbine discharge pipeline directly feeds air cooling tubes condenser (13), air cooling tubes condenser (13) has air cooling tubes condenser following current tube bank (16) and air cooling tubes condenser adverse current tube bank (17), steam-distributing pipe (12) is communicated with air cooling tubes condenser condensate water header (18) by air cooling tubes condenser following current tube bank (16), and air cooling tubes condenser condensate water header (18) is communicated with air cooling tubes condenser adverse current tube bank (17); Described air cooling tubes condenser condensate water header (18) is communicated with vaporation-type condenser following current tube bank (20), and vaporation-type condenser following current tube bank (20) other end is communicated with vaporation-type condenser adverse current tube bank (21) by vaporation-type condenser condensed water header (22); Described air cooling tubes condenser adverse current tube bank (17) is communicated with pumped vacuum systems (19) by pipeline with the end of vaporation-type condenser adverse current tube bank (21); Described air cooling tubes condenser condensate water header (18), vaporation-type condenser condensed water header (22) are communicated with condensate tank (15) by pipeline.
2, the empty compound condenser of series connection high efficiency that steams as claimed in claim 1, it is characterized in that: air cooling tubes condenser (13) is provided with axial flow blower (14).
3, the empty compound condenser of series connection high efficiency that steams as claimed in claim 1, it is characterized in that: vaporation-type condenser (23) is provided with spray system and quenching system.
The utility model relates to exhaust steam condensation technology field, a kind of empty compound condenser of series connection high efficiency that steams is disclosed, comprise: air cooling tubes condenser, vaporation-type condenser, the steam-distributing pipe (12) that is communicated with the turbine discharge pipeline directly feeds air cooling tubes condenser (13), steam-distributing pipe is communicated with air cooling tubes condenser condensate water header (18) by air cooling tubes condenser following current tube bank (16), and air cooling tubes condenser condensate water header is communicated with air cooling tubes condenser adverse current tube bank (17); Air cooling tubes condenser condensate water header (18) is communicated with vaporation-type condenser following current tube bank (20), and described air cooling tubes condenser adverse current tube bank is communicated with pumped vacuum systems (19) with the end of vaporation-type condenser adverse current tube bank (21); Described air cooling tubes condenser condensate water header (18), vaporation-type condenser condensed water header (22) are communicated with condensate tank (15).The utility model is applicable to existing air cooling condensing system transformation, has kept former air cooling tubes condenser duty.
Claims (3)
1. a sky steams the compound condenser of series connection high efficiency, it is characterized in that: comprising: air cooling tubes condenser (13), vaporation-type condenser (23), the steam-distributing pipe (12) that is communicated with the turbine discharge pipeline directly feeds air cooling tubes condenser (13), air cooling tubes condenser (13) has air cooling tubes condenser following current tube bank (16) and air cooling tubes condenser adverse current tube bank (17), steam-distributing pipe (12) is communicated with air cooling tubes condenser condensate water header (18) by air cooling tubes condenser following current tube bank (16), and air cooling tubes condenser condensate water header (18) is communicated with air cooling tubes condenser adverse current tube bank (17); Described air cooling tubes condenser condensate water header (18) is communicated with vaporation-type condenser following current tube bank (20), and vaporation-type condenser following current tube bank (20) other end is communicated with vaporation-type condenser adverse current tube bank (21) by vaporation-type condenser condensed water header (22); Described air cooling tubes condenser adverse current tube bank (17) is communicated with pumped vacuum systems (19) by pipeline with the end of vaporation-type condenser adverse current tube bank (21); Described air cooling tubes condenser condensate water header (18), vaporation-type condenser condensed water header (22) are communicated with condensate tank (15) by pipeline.
2. the empty compound condenser of series connection high efficiency that steams as claimed in claim 1, it is characterized in that: air cooling tubes condenser (13) is provided with axial flow blower (14).
3. the empty compound condenser of series connection high efficiency that steams as claimed in claim 1, it is characterized in that: vaporation-type condenser (23) is provided with spray system and quenching system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205137120U CN201772769U (en) | 2010-09-02 | 2010-09-02 | Air-evaporation serial efficient composite condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205137120U CN201772769U (en) | 2010-09-02 | 2010-09-02 | Air-evaporation serial efficient composite condenser |
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| Publication Number | Publication Date |
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| CN201772769U true CN201772769U (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205137120U Expired - Lifetime CN201772769U (en) | 2010-09-02 | 2010-09-02 | Air-evaporation serial efficient composite condenser |
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| CN (1) | CN201772769U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080177A (en) * | 2015-09-14 | 2015-11-25 | 李永堂 | Efficient separation and vacuum condensation system for non-condensable gas |
| CN108917418A (en) * | 2018-08-02 | 2018-11-30 | 山西大学 | A kind of Air-Cooling Island fair current tube bank vacuum evacuation device |
-
2010
- 2010-09-02 CN CN2010205137120U patent/CN201772769U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080177A (en) * | 2015-09-14 | 2015-11-25 | 李永堂 | Efficient separation and vacuum condensation system for non-condensable gas |
| CN108917418A (en) * | 2018-08-02 | 2018-11-30 | 山西大学 | A kind of Air-Cooling Island fair current tube bank vacuum evacuation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LUOYANG LONGHUA HEAT TRANSFER + ENERGY CONSERVATIO Free format text: FORMER NAME: LUOYANG LONGHUA HEAT TRANSFER TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 471132 Luoyang Airport Industrial Park, Henan, Luoyang Patentee after: Luoyang Longhua Heat Transfer & Energy Conservation Co., Ltd. Address before: 471132 Luoyang Airport Industrial Park, Henan, Luoyang Patentee before: Luoyang Longhua Heat Transfer Technology Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 471132 Luoyang Airport Industrial Agglomeration Area, Matun Town, Mengjin County, Luoyang, Henan Patentee after: Longhua Technology Group (Luoyang) Limited by Share Ltd Address before: 471132 Luoyang Airport Industrial Park, Luoyang, Henan Patentee before: Luoyang Longhua Heat Transfer & Energy Conservation Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110323 |