CN206626604U - The united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove - Google Patents
The united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove Download PDFInfo
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- CN206626604U CN206626604U CN201720315128.6U CN201720315128U CN206626604U CN 206626604 U CN206626604 U CN 206626604U CN 201720315128 U CN201720315128 U CN 201720315128U CN 206626604 U CN206626604 U CN 206626604U
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- air heater
- back pressure
- steam
- steam air
- high back
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
Large-scale thermal power High Back Pressure Steam Turbine Units runtime is the utility model is related to, particularly discloses a kind of united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove.The united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove, including the steam air heater in air channel, top half is separately mounted in flue and air channel and positioned at the lower wind direction position of steam air heater under air preheater, it is characterised in that：The steam air heater connects condenser by steam air heater water inlet pipe with connecting for condensing water conduit, and steam air heater water inlet pipe connects other remaining hot water water inlet pipes；Steam air heater is connected precision processing system with the connection of precision processing system water inlet pipe by steam air heater outlet pipe, and steam air heater outlet pipe connects other remaining hot water outlet pipes.The utility model is simple in construction, and it is easy to realize, it is too high to solve the condensing water temperature of high back pressure thermal power plant unit, precision processing system can not normal operation the problem of, ensure that unit operation safety.
Description
（One）Technical field
Large-scale thermal power High Back Pressure Steam Turbine Units runtime is the utility model is related to, more particularly to a kind of High Back Pressure Steam Turbine Units machine
The united condensing water temperature control system of stove.
（Two）Background technology
With popularization of the country to the management increasing of atmosphere pollution and to energy-saving and emission-reduction project, high back pressure recirculated water supplies
Heat has been the emphasis energy-saving and emission-reduction project that power industry is promoted in central heating area.
High back pressure circulating water heating unit reaches recovery steam turbine row by improving exhaust steam pressure to heat heat supply network recirculated water
The purpose of vapour cold source energy, because greatly improving for exhaust steam pressure causes condensing water temperature significantly to raise, so that former condensate
Precision processing system inlet water temperature degree exceedes system requirements, can not normal operation.
Conventional steam air heater is using the heating air intake that draws gas, subsequently into air preheater.Because steam quality is higher, cause
A certain degree of quality wastes.
To solve this problem, ensure condensate system safe operation, and do not cause new energy loss simultaneously, system is entered
Row transformation.Modification scheme before is replacing high-temperature resin（Transported with the condensate polishing treatment high temperature of heat supply and pure condensate double mode
Row system, the patent No. 201310718552.1）Or install heat exchanger cooling additional.Though this problem can be solved by changing high-temperature resin, together
When bring the defects of one-time investment is big, and operation and maintenance cost is high；Install heat exchanger cooling band additional and come new energy dissipation, increase
System heat consumption.
（Three）The content of the invention
The utility model is in order to make up the deficiencies in the prior art, there is provided a kind of high back pressure simple in construction, energy-saving safety
The united condensing water temperature control system of unit machine stove.
The utility model is achieved by the following technical solution：
A kind of united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove, including the steam air heater in air channel,
The upper the latter half of air preheater is separately mounted to exist in flue and air channel and positioned at the lower wind direction position of steam air heater, its feature
In：The steam air heater connects condenser by steam air heater water inlet pipe with connecting for condensing water conduit, and steam air heater water inlet pipe connects it
Its remaining hot water water inlet pipe；Steam air heater is connected precision processing system by steam air heater outlet pipe with the connection of precision processing system water inlet pipe,
Steam air heater outlet pipe connects other remaining hot water outlet pipes.
The present invention is connected respectively by steam air heater and condenser, precision processing system, on the one hand ensures that high back pressure runs machine
The condensed water precision processing system of group safe and stable operation on the premise of not transforming, on the other hand, the heat for reclaiming condensate are used
In the air intake of heating steam air heater, the low-temperature corrosion of air preheater is prevented, efficient balance of the heat in system is realized and utilizes.
More excellent technical scheme of the present utility model is：
Steam air heater water side bypass pipe, steam air heater water side are connected between condensing water conduit and the precision processing system water inlet pipe
Valve A is installed on bypass pipe, realizes the switching connection of condensing water conduit, steam air heater outlet pipe and precision processing system.
Valve B is installed on the condensing water conduit, valve C is installed on steam air heater outlet pipe, is easy to implement steam air heater
Water route connection control.
Valve E is installed on other remaining hot water water inlet pipes, valve D is installed on other remaining hot water outlet pipes, is easy to
That realizes other remaining hot waters utilizes control.
The steam air heater is water-air heat exchanger, winter steam air heater temperature of inlet air is about 5 DEG C, and outlet temperature is about
50℃；Air preheater is rotary regenerative air preheater, and the air themperature from the output of air preheater air side outlet is 280-
340℃。
The condenser is the Air-Cooling Island of Air-cooled Unit, and the condensate of condenser, which is introduced into after steam air heater cools, enters back into essence
Processing system, the temperature of condensate is 70-85 DEG C in condenser.
Precision processing system outlet pipe is installed on the precision processing system.
The utility model is simple in construction, and it is easy to realize, it is too high to solve the condensing water temperature of high back pressure thermal power plant unit, at essence
Reason system can not normal operation the problem of, ensure that unit operation safety；The utility model heats steam air heater with condensed water in high temperature
In air, air is preheated before air inlet preheater, realize cascaded utilization of energy；The utility model makes sky
Gas is preheated before air inlet preheater, solves the problems, such as low-temperature corrosion of air preheater；The utility model than
Transform precision processing system and invest low, remarkable in economical benefits, promote the high back pressure of large-scale thermal power machine group to transform.
（Four）Brief description of the drawings
The utility model is further described below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.
In figure, 1 condenser, 2 steam air heater water side bypass pipes, 3 valve A, 4 precision processing system water inlet pipes, 5 condensing water conduits, 6
Valve B, 7 valve C, 8 steam air heater water inlet pipes, 9 steam air heater outlet pipes, 10 steam air heaters, 11 air preheaters, 12 precision processing systems,
13 precision processing system outlet pipes, 14 other remaining hot water outlet pipes, 15 valve D, 16 valve E, 17 other remaining hot water water inlet pipes.
（Five）Embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.The embodiment includes the steam air heater 10 being arranged in air channel,
The upper the latter half of air preheater 11 is separately mounted in flue and air channel and positioned at the lower wind direction position of steam air heater 10, described
Steam air heater 10 connects condenser 1 by steam air heater water inlet pipe 8 with connecting for condensing water conduit 5, and steam air heater water inlet pipe 8 connects other
Remaining hot water water inlet pipe 17；Steam air heater 10 is connected precision processing system by steam air heater outlet pipe 9 with the connection of precision processing system water inlet pipe 4
System 12, steam air heater outlet pipe 9 connects other remaining hot water outlet pipes 14；The condensing water conduit 5 and precision processing system water inlet pipe 4 it
Between be connected with steam air heater water side bypass pipe 2, valve A3 is installed on steam air heater water side bypass pipe 2；Pacify on the condensing water conduit 5
Equipped with valve B6, valve C7 is installed on steam air heater outlet pipe 9；Valve E16 is installed on other remaining hot water water inlet pipes 17,
Valve D14 is installed on other remaining hot water outlet pipes 14；The steam air heater 10 is water-air heat exchanger, and air preheater 11 is
Rotary regenerative air preheater；The condenser 1 is the Air-Cooling Island of Air-cooled Unit；Precision processing is installed on the precision processing system 12
System outlet pipe 13.
The method of operation of Tthe utility model system device is：
When heat supply period high back pressure is run, the valve B6 installed on condensing water conduit 5 and steam air heater water inlet pipe 8 is opened, is opened
The valve C7 installed on steam air heater outlet pipe 9 and precision processing system water inlet pipe 4, close on steam air heater water side bypass pipe 2 what is installed
Valve A3, the valve E16 installed is closed on other remaining hot water water inlet pipes 17, close on other remaining hot water outlet pipes 14 valve installed
Door D15.Condensate enters steam air heater 10 by condensing water conduit 5 and steam air heater water inlet pipe 8, passes through steam air heater outlet pipe after cooling
9 and precision processing system water inlet pipe 4 enter precision processing system 12.Air first passes through air channel and passes through air preheat after steam air heater 10
Device 11.
When non-heating period is run, the valve B6 installed is closed on condensing water conduit 5 and steam air heater water inlet pipe 8, closes warm wind
The valve C7 installed on device outlet pipe 9 and precision processing system water inlet pipe 4, open the valve installed on steam air heater water side bypass pipe 2
A3, the valve E16 installed on other remaining hot water water inlet pipes 17 is opened, open the valve installed on other remaining hot water outlet pipes 14
D15.Condensate by steam air heater water side bypass pipe 2 enter precision processing system 12, steam air heater 10 by other remaining hot waters heat into
Wind.
Claims (7)
1. a kind of united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove, including the steam air heater in air channel
（10）, air preheater（11）Upper the latter half be separately mounted in flue and air channel and be located at steam air heater（10）Lower wind direction
Position, it is characterised in that：The steam air heater（10）Pass through steam air heater water inlet pipe（8）And condensing water conduit（5）Connection connection it is solidifying
Vapour device（1）, steam air heater water inlet pipe（8）Connect other remaining hot water water inlet pipes（17）；Steam air heater（10）Pass through steam air heater outlet pipe（9）
With precision processing system water inlet pipe（4）Connection connection precision processing system（12）, steam air heater outlet pipe（9）Other remaining hot waters are connected to go out
Water pipe（14）.
2. the united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove according to claim 1, it is characterised in that：Institute
State condensing water conduit（5）With precision processing system water inlet pipe（4）Between be connected with steam air heater water side bypass pipe（2）, steam air heater water side
Bypass pipe（2）On valve A is installed（3）.
3. the united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove according to claim 1, it is characterised in that：Institute
State condensing water conduit（5）On valve B is installed（6）, steam air heater outlet pipe（9）On valve C is installed（7）.
4. the united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove according to claim 1, it is characterised in that：Institute
State other remaining hot water water inlet pipes（17）On valve E is installed（16）, other remaining hot water outlet pipes（14）On valve D is installed
（15）.
5. the united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove according to claim 1, it is characterised in that：Institute
State steam air heater（10）For water-air heat exchanger, air preheater（11）For rotary regenerative air preheater.
6. the united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove according to claim 1, it is characterised in that：Institute
State condenser（1）For the Air-Cooling Island of Air-cooled Unit.
7. the united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove according to claim 1, it is characterised in that：Institute
State precision processing system（12）On precision processing system outlet pipe is installed（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315128.6U CN206626604U (en) | 2017-03-29 | 2017-03-29 | The united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315128.6U CN206626604U (en) | 2017-03-29 | 2017-03-29 | The united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove |
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| Publication Number | Publication Date |
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| CN206626604U true CN206626604U (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720315128.6U Active CN206626604U (en) | 2017-03-29 | 2017-03-29 | The united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931465A (en) * | 2017-03-29 | 2017-07-07 | 山东泓奥电力科技有限公司 | The united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove |
-
2017
- 2017-03-29 CN CN201720315128.6U patent/CN206626604U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931465A (en) * | 2017-03-29 | 2017-07-07 | 山东泓奥电力科技有限公司 | The united condensing water temperature control system of High Back Pressure Steam Turbine Units machine stove |
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