CN109141091A - A kind of device and method using feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water - Google Patents
A kind of device and method using feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water Download PDFInfo
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- CN109141091A CN109141091A CN201811044368.2A CN201811044368A CN109141091A CN 109141091 A CN109141091 A CN 109141091A CN 201811044368 A CN201811044368 A CN 201811044368A CN 109141091 A CN109141091 A CN 109141091A
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- water
- raw water
- feed
- direct air
- heat exchanger
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 191
- 238000010438 heat treatment Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 9
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 230000002209 hydrophobic effect Effects 0.000 claims description 17
- 239000000126 substance Substances 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000010977 unit operation Methods 0.000 abstract description 2
- 238000013014 water-saving technology Methods 0.000 abstract description 2
- 238000001223 reverse osmosis Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to a kind of device and methods using feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water, belong to energy conservation, the water-saving technology of field of thermal power.The raw water of Direct Air-cooled Unit comes from underground water, it is difficult to reach 25 DEG C or more of best raw water temperature.The invention has the characteristics that including steam feed pump, feed-water pump turbine, raw water heating surface formula heat exchanger, Direct Air-cooled Unit condenser and Condensate of Direct Air-cooling Unit pump, raw water is carried out water lines and is connect with the water inlet of raw water heating surface formula heat exchanger, and the water outlet of raw water heating surface formula heat exchanger is connect with raw water water return pipeline；The steam exhaust exhaust vent of feed-water pump turbine is connect with the air intake of raw water heating surface formula heat exchanger, and the air intake of Direct Air-cooled Unit condenser and the steam exhaust exhaust vent of feed-water pump turbine connect.While the present invention promotes raw water temperature, the efficiency of cycle and thermal power unit operation economy are improved.
Description
Technical field
The present invention relates to a kind of device using feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water and sides
Method belongs to energy conservation, the water-saving technology of field of thermal power.
Background technique
During power plant chemistry water water, either all there is best system in ion-exchange or film osmosis
Coolant-temperature gage: when using ion-exchange, compared with 12 DEG C of raw water, when raw water temperature is 28 DEG C, dosage is averagely reduced
20%, when raw water water temperature is increased to 25~35 DEG C by 15~18 DEG C, average period, water production can increase 338.11t, Ke Yiming
The aobvious working efficiency for improving ion-exchange；When water temperature is maintained at 10 DEG C or so, low temperature raw water can make reverse osmosis membrane filter opening become
Small, the water-flowing amount of film reduces, and wastewater discharge increases, and reverse osmosis membrane filter opening becomes smaller, while will also result in the rising of equipment pressure, right
The pressure of reverse osmosis membrane increases, and influences the service life of reverse osmosis unit, uses the best raw water water temperature of hyperfiltration for 25
DEG C or so.
The raw water of Direct Air-cooled Unit comes from underground water, and underground water temperature winter is 5 DEG C or so, and summer is 15 DEG C or so,
It is difficult to reach 25 DEG C or more of best raw water temperature.Although having Direct Air-cooled Unit residual-heat utilization technology at present, as publication date is
It on 03 22nd, 2017, in the Chinese patent of Publication No. CN206033474U, discloses a kind of Direct Air-cooled Unit waste heat and returns
Receipts and water treatment facilities and publication date are on 04 15th, 2015, public in the Chinese patent of Publication No. CN204267115U
A kind of heat reclaiming system, etc. using air cooling unit cold source waste heat is opened, these technologies are not for heating direct sky
Cold group raw water.
Summary of the invention
It is an object of the invention to overcome the above deficiencies in the existing technologies, and it is simple to provide a kind of structure, design
Rationally, while promoting raw water temperature, the raising efficiency of cycle drives vapour using feed pump with thermal power unit operation economy
The device and method of turbine steam exhaust heating Direct Air-cooled Unit raw water.
Technical solution used by the present invention solves the above problems is: this is heated straight using feed-water pump turbine steam exhaust
The device for connecing air cooling unit raw water includes that raw water comes water lines and raw water water piping flow measuring device, and the raw water carrys out water pipe
Road flow measurement device, which is mounted on raw water, to be come in water lines, and design feature is: further including raw water water return pipeline, raw water return water
Piping flow measuring device, steam feed pump, feed-water pump turbine, feed-water pump turbine steam inlet pipe road, feed pump
Driving steam turbine blow-off line, raw water heating surface formula heat exchanger, Direct Air-cooled Unit condenser, surface-type heat exchanger return pipe
Road, Condensate of Direct Air-cooling Unit pipeline and Condensate of Direct Air-cooling Unit pump, the raw water come water lines and raw water heating table
The water inlet of face formula heat exchanger connects, and the water outlet of the raw water heating surface formula heat exchanger is connect with raw water water return pipeline, institute
Raw water water return pipeline flow measurement device is stated to be mounted on raw water water return pipeline；The feed-water pump turbine and steam-operating water supply
Pump connection, feed-water pump turbine steam inlet pipe road are connect with feed-water pump turbine, and the feed pump drives steamer
The steam exhaust exhaust vent of machine is connect with the air intake of raw water heating surface formula heat exchanger, the raw water heating surface formula heat exchanger
Condensation water out is connect with surface-type heat exchanger water return pipeline, and the air intake and feed pump of the Direct Air-cooled Unit condenser drive
The steam exhaust exhaust vent connection of dynamic steam turbine, the condensation water out and Direct Air-cooled Unit of the Direct Air-cooled Unit condenser condense
Waterpipe connection, the surface-type heat exchanger water return pipeline and Condensate of Direct Air-cooling Unit pipeline are solidifying with Direct Air-cooled Unit
Bear water the water inlet connection of pump.
Preferably, the invention also includes the hydrophobic primary door of surface-type heat exchanger water return pipeline and surface-type heat exchanger return water
Pipeline hydrophobic secondary door connects by the hydrophobic primary door of surface-type heat exchanger water return pipeline and surface-type heat exchanger water return pipeline,
The hydrophobic secondary door of surface-type heat exchanger water return pipeline is connected with the hydrophobic primary door of surface-type heat exchanger water return pipeline.
A method of Direct Air-cooled Unit raw water is heated using feed-water pump turbine steam exhaust, it is characterised in that: is made
With the device using feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water, steamer is driven using feed pump
The steam exhaust heating chemical water raw water of machine.
Preferably, the present invention drives steamer using feed pump under the heat exchange effect of raw water heating surface formula heat exchanger
The exhaust steam residual heat heating chemical water raw water of machine.
Compared with prior art, the present invention having the following advantages that and effect: on the one hand can increase Direct Air-cooled Unit
Chemical water raw water temperature improves chemical water water efficiency, on the other hand can efficiently use more than feed-water pump turbine steam discharge
Heat reduces the quantity of steam for entering direct air cooled condenser, air cooling tubes condenser pressure is reduced, to reduce raising Direct Air-cooled Unit
Cycle efficieny reduces power generation and net coal consumption rate.
Detailed description of the invention
Fig. 1 is that the device of feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water is utilized in the embodiment of the present invention
Structural schematic diagram.
In figure: 1 be raw water come water lines, 2 be raw water water return pipeline, 3 be raw water water piping flow measuring device, 4 be
Raw water water return pipeline flow measurement device, 5 be steam feed pump, 6 be feed-water pump turbine, 7 be feed pump driving steamer
Machine steam inlet pipe road, 8 be feed-water pump turbine blow-off line, 9 be raw water heating surface formula heat exchanger, 10 be Direct Air-Cooled machine
Group condenser, 11 be surface-type heat exchanger water return pipeline, 12 be Condensate of Direct Air-cooling Unit pipeline, 13 be surface-type heat exchanger
The hydrophobic primary door of water return pipeline, 14 be the hydrophobic secondary door of surface-type heat exchanger water return pipeline, 15 be Condensate of Direct Air-cooling Unit
Pump.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited to following embodiments.
Embodiment.
Referring to Fig. 1, the device of Direct Air-cooled Unit raw water is heated in the present embodiment using feed-water pump turbine steam exhaust
Come water lines 1, raw water water return pipeline 2, raw water water piping flow measuring device 3, raw water water return pipeline flow including raw water to survey
It measures device 4, steam feed pump 5, feed-water pump turbine 6, feed-water pump turbine steam inlet pipe road 7, feed pump and drives vapour
Turbine discharge pipeline 8, raw water heating surface formula heat exchanger 9, Direct Air-cooled Unit condenser 10, surface-type heat exchanger water return pipeline
11, the hydrophobic primary door 13 of Condensate of Direct Air-cooling Unit pipeline 12, surface-type heat exchanger water return pipeline, surface-type heat exchanger return water
The hydrophobic secondary door 14 of pipeline and Condensate of Direct Air-cooling Unit pump 15.
Raw water water piping flow measuring device 3 in the present embodiment is mounted on raw water and comes in water lines 1, and raw water carrys out water pipe
Road 1 is connect with the water inlet of raw water heating surface formula heat exchanger 9, and the water outlet and raw water of raw water heating surface formula heat exchanger 9 return
Water lines 2 connect, and raw water water return pipeline flow measurement device 4 is mounted on raw water water return pipeline 2.
Feed-water pump turbine 6 in the present embodiment is connect with steam feed pump 5, feed-water pump turbine steam inlet pipe
Road 7 is connect with feed-water pump turbine 6, and steam exhaust exhaust vent and the raw water heating surface formula of feed-water pump turbine 6 are changed
The air intake of hot device 9 connects, and the condensation water out and surface-type heat exchanger water return pipeline 11 of raw water heating surface formula heat exchanger 9 connect
It connects, the air intake of Direct Air-cooled Unit condenser 10 is connect with the steam exhaust exhaust vent of feed-water pump turbine 6, the direct sky
The condensation water out of cold unit condenser 10 is connect with Condensate of Direct Air-cooling Unit pipeline 12, surface-type heat exchanger water return pipeline
11 and Condensate of Direct Air-cooling Unit pipeline 12 with Condensate of Direct Air-cooling Unit pump 15 water inlet connect.Surface-type heat exchange
It is connect by the hydrophobic primary door 13 of device water return pipeline and surface-type heat exchanger water return pipeline 11, surface-type heat exchanger water return pipeline hydrophobic two
Secondary door 14 is connected with the hydrophobic primary door 13 of surface-type heat exchanger water return pipeline.
Water supply is used using the method for feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water in the present embodiment
Pump the steam exhaust heating chemical water raw water of driving steam turbine 6.Under the heat exchange effect of raw water heating surface formula heat exchanger 9, using giving
The exhaust steam residual heat heating chemical water raw water of water pump driving steam turbine 6.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different, and above content is only to structure of the invention example explanation described in this specification.It is all according to
According to equivalence changes or simple change that the invention patent design structure, feature and principle is done, it is included in this hair
In the protection scope of bright patent.Those skilled in the art can do described specific embodiment various
The mode that the modify or supplement or adopt of various kinds is similar substitutes, and without departing from structure of the invention or surmounts present claims
Range defined in book, is within the scope of protection of the invention.
Claims (4)
1. a kind of device using feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water, including raw water carry out water lines
With raw water water piping flow measuring device, the raw water water piping flow measuring device is mounted on raw water and comes in water lines,
It is characterized by also including raw water water return pipeline, raw water water return pipeline flow measurement device, steam feed pump, feed pump drivings
Steam turbine, feed-water pump turbine steam inlet pipe road, feed-water pump turbine blow-off line, the heat exchange of raw water heating surface formula
Device, Direct Air-cooled Unit condenser, surface-type heat exchanger water return pipeline, Condensate of Direct Air-cooling Unit pipeline and Direct Air-Cooled machine
Group condensate pump, the raw water are carried out water lines and are connect with the water inlet of raw water heating surface formula heat exchanger, and the raw water heats table
The water outlet of face formula heat exchanger is connect with raw water water return pipeline, and the raw water water return pipeline flow measurement device is mounted on raw water and returns
In water lines；The feed-water pump turbine is connect with steam feed pump, feed-water pump turbine steam inlet pipe road with
Feed-water pump turbine connection, the steam exhaust exhaust vent and raw water heating surface formula heat exchanger of the feed-water pump turbine
Air intake connection, the condensation water out of the raw water heating surface formula heat exchanger connect with surface-type heat exchanger water return pipeline,
The air intake of the Direct Air-cooled Unit condenser and the steam exhaust exhaust vent of feed-water pump turbine connect, the Direct Air-Cooled
The condensation water out of unit condenser is connect with Condensate of Direct Air-cooling Unit pipeline, the surface-type heat exchanger water return pipeline and
Condensate of Direct Air-cooling Unit pipeline is connect with the water inlet of Condensate of Direct Air-cooling Unit pump.
2. the device according to claim 1 using feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water,
It is characterized by also including the hydrophobic primary door of surface-type heat exchanger water return pipeline and surface-type heat exchanger water return pipeline are hydrophobic secondary
, it is connect by the hydrophobic primary door of surface-type heat exchanger water return pipeline and surface-type heat exchanger water return pipeline, the surface-type changes
The hot hydrophobic secondary door of device water return pipeline is connected with the hydrophobic primary door of surface-type heat exchanger water return pipeline.
3. a kind of method using feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water, it is characterised in that: use
The device using feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water as claimed in claim 1 or 2, using giving
The steam exhaust heating chemical water raw water of water pump driving steam turbine.
4. the device according to claim 3 using feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water,
It is characterized by: utilizing the exhaust steam residual heat of feed-water pump turbine under the heat exchange effect of raw water heating surface formula heat exchanger
Heating chemical water raw water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811044368.2A CN109141091A (en) | 2018-09-07 | 2018-09-07 | A kind of device and method using feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811044368.2A CN109141091A (en) | 2018-09-07 | 2018-09-07 | A kind of device and method using feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water |
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| Publication Number | Publication Date |
|---|---|
| CN109141091A true CN109141091A (en) | 2019-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811044368.2A Pending CN109141091A (en) | 2018-09-07 | 2018-09-07 | A kind of device and method using feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202768090U (en) * | 2012-09-18 | 2013-03-06 | 北京创时能源有限公司 | Recovery system of dead steam waste heat |
| CN103968444A (en) * | 2014-05-15 | 2014-08-06 | 沈阳枫叶能源科技有限公司 | Energy saving device for directly recycling waste heat from condenser of power plant to supply heat and energy saving method |
| CN204404316U (en) * | 2014-12-09 | 2015-06-17 | 华电电力科学研究院 | A kind of high-efficiency multi-stage heat supply network heating system of applicable Air-cooled Unit steam power plant |
| CN204757076U (en) * | 2015-05-19 | 2015-11-11 | 北京创时能源有限公司 | Steam power plant's heat supply hydrophobic waste heat recovery system of drawing gas |
| CN106241961A (en) * | 2016-09-06 | 2016-12-21 | 大唐环境产业集团股份有限公司 | A kind of water treatment facilities utilizing residual heat of electric power plant and method |
| CN209147799U (en) * | 2018-09-07 | 2019-07-23 | 华电电力科学研究院有限公司 | Utilize the device of feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water |
-
2018
- 2018-09-07 CN CN201811044368.2A patent/CN109141091A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202768090U (en) * | 2012-09-18 | 2013-03-06 | 北京创时能源有限公司 | Recovery system of dead steam waste heat |
| CN103968444A (en) * | 2014-05-15 | 2014-08-06 | 沈阳枫叶能源科技有限公司 | Energy saving device for directly recycling waste heat from condenser of power plant to supply heat and energy saving method |
| CN204404316U (en) * | 2014-12-09 | 2015-06-17 | 华电电力科学研究院 | A kind of high-efficiency multi-stage heat supply network heating system of applicable Air-cooled Unit steam power plant |
| CN204757076U (en) * | 2015-05-19 | 2015-11-11 | 北京创时能源有限公司 | Steam power plant's heat supply hydrophobic waste heat recovery system of drawing gas |
| CN106241961A (en) * | 2016-09-06 | 2016-12-21 | 大唐环境产业集团股份有限公司 | A kind of water treatment facilities utilizing residual heat of electric power plant and method |
| CN209147799U (en) * | 2018-09-07 | 2019-07-23 | 华电电力科学研究院有限公司 | Utilize the device of feed-water pump turbine steam exhaust heating Direct Air-cooled Unit raw water |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20190104 |