CN205842604U - A kind of gas turbine internal ring water bootstrap system - Google Patents
A kind of gas turbine internal ring water bootstrap system Download PDFInfo
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- CN205842604U CN205842604U CN201620663935.2U CN201620663935U CN205842604U CN 205842604 U CN205842604 U CN 205842604U CN 201620663935 U CN201620663935 U CN 201620663935U CN 205842604 U CN205842604 U CN 205842604U
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Abstract
This utility model relates to a kind of gas turbine internal ring water bootstrap system.Existing gas turbine internal ring water bootstrap system is difficult to make full use of low-quality heat.This utility model includes gas turbine, it is characterized in: also include waste heat boiler, heat exchanger, soften water treatment facilities and steam heat-exchanger, the exhanst gas outlet of gas turbine utilizes pipeline to be connected with the gas approach of waste heat boiler by fume afterheat, the high-temperature water side outlet of heat exchanger is connected with the internal ring water inlet of gas turbine by internal ring water reflux line, the water at low temperature side outlet of heat exchanger is connected with the water inlet softening water treatment facilities by outlet conduit, the outlet softening water treatment facilities is connected with the water supplement port of waste heat boiler by moisturizing pipeline, the import of former water bypass stop valve is connected with raw water pipeline, the water side outlet of steam heat-exchanger is connected with softening water treatment facilities water inlet by bypass outlet conduit.This utility model can make full use of low-quality heat, good in economic efficiency.
Description
Technical field
This utility model relates to a kind of gas turbine internal ring water bootstrap system, and it is low-quality to be that one can make full use of
The system of waste heat, belongs to technical field of waste heat utilization.
Background technology
Along with the China's day by day attention to gas turbine technology, turbine power plant gradually promotion and application are come, power station
Interior correlation technique transformation becomes important the most day by day.As [academic dissertation] Marvin's leads to, 2009-Shanghai Communications University: engine
Tool and engineering, disclosed gas turbine and Gas-steam Combined Cycle simulation study under Part load, describe combustion gas wheel
The correlation circumstance at dynamo-electric station.The positions such as the generator system of gas turbine, lubricating oil system, fuel pump need to cool down, logical
It is often to use closed-type circulating cooling water system, takes the used heat of generation out of unit by recirculated water, it is ensured that gas turbine is operated in
In the range of reasonable temperature.When being 1500t/h such as combustion turbine exhaustion amount, the internal ring water of generation is about in about 200t/h, temperature
Being about 45 DEG C, this partial heat quality is low, it is difficult to utilize.Reverse osmosis water disposal facility should in China's station boiler water charging system
With extensively, between the optimum working temperature of reverse osmosis membrane is 25-35 DEG C, the lowest then water rate of temperature declines, temperature too Gao Zerong
Fragile reverse osmosis membrane, in order to ensure the work efficiency of reverse osmosis water disposal facility, power plant is typically all and uses steam to former water
Heat, former water is improved to preference temperature, is sent to reverse osmosis water disposal facility.
Utility model content
Two problems that the purpose of this utility model exists in being can effectively solve turbine power plant: one is reverse osmosis
Permeable processing system uses steam to add the phenomenon of pyrogen water existence " high-quality low use ", and two is that gas turbine internal ring water used heat cannot have
The problem that effect utilizes.The gas turbine internal ring water bootstrap system that this utility model provides can effectively utilize gas turbine
The low-quality thermal source that internal ring water is provided, is heated former water by heat exchanger, it is ensured that reverse osmosis water disposal facility
Water outlet efficiency, is effectively utilized the used heat being originally discharged in environment, eliminates showing of conventional heat " the high-quality low use " existed
As, decrease thermal pollution, improve economic benefit.Simultaneity factor is to use internal ring water bootstrap system and steam by-pass system
Two cover systems are operated, and when bootstrap system overhauls or breaks down, still ensure that going out of reverse osmosis water disposal facility
Water efficiency.This bootstrap system can make full use of low-quality heat, good in economic efficiency, it is possible to improves gas turbine electricity well
The efficiency of energy utilization stood.
The technical scheme in the invention for solving the above technical problem is: this gas turbine internal ring water bootstrap system
Including gas turbine, its construction features is: also include that fume afterheat utilizes pipeline, waste heat boiler, exhaust emission tube road, internal ring
Water discharge pipe road, internal ring water UTILIZATION OF VESIDUAL HEAT IN valve, heat exchanger, internal ring water reflux line, raw water pipeline, raw water pipeline stop valve,
Outlet conduit, softening water treatment facilities, moisturizing pipeline, the bypass of former water stop valve, former water bypass duct, steam heat-exchanger, side
Road outlet conduit, jet chimney, steam ball valve and solidifying water discharge pipe road, the exhanst gas outlet of described gas turbine passes through fume afterheat
Utilizing pipeline to be connected with the gas approach of waste heat boiler, the exhanst gas outlet of described waste heat boiler connects exhaust emission tube road, described
The internal ring water out of gas turbine is connected with the import of internal ring water UTILIZATION OF VESIDUAL HEAT IN valve by internal ring water discharge pipe road, described internal ring water
The outlet of UTILIZATION OF VESIDUAL HEAT IN valve is connected with the high-temperature water side-entrance of heat exchanger, and the high-temperature water side outlet of described heat exchanger is by interior
Ring water reflux line is connected with the internal ring water inlet of gas turbine, and described raw water pipeline connects with the import of raw water pipeline stop valve
Connecing, the outlet of described raw water pipeline stop valve is connected with the water at low temperature side-entrance of heat exchanger, the water at low temperature of described heat exchanger
Side outlet is connected with the water inlet softening water treatment facilities by outlet conduit, and the outlet of described softening water treatment facilities passes through
Moisturizing pipeline is connected with the water supplement port of waste heat boiler, and the import of described former water bypass stop valve is connected with raw water pipeline, described former
The outlet of water bypass stop valve is connected with the water side-entrance of steam heat-exchanger by former water bypass duct, and described steam heat exchanges
The water side outlet of device is connected with the water inlet softening water treatment facilities by bypass outlet conduit, and drawing gas of described waste heat boiler connects
Mouth is connected with the import of steam ball valve by jet chimney, the outlet of described steam ball valve and the vapour side-entrance of steam heat-exchanger
Connecting, the vapour side outlet of described steam heat-exchanger is connected with solidifying water discharge pipe road.
As preferably, this utility model also includes internal ring water-cooled valve, cooling tower and cooling water bypass pipeline, described internal ring
The import of water-cooled valve is connected with internal ring water discharge pipe road, the outlet of described internal ring water-cooled valve and the cooling water inlet of cooling tower
Connecting, the coolant outlet of described cooling tower is connected to internal ring water reflux line by cooling water bypass pipeline.
As preferably, softening water treatment facilities described in the utility model is that reverse osmosis softens water treatment facilities.
As preferably, cooling tower described in the utility model is closed circulation cooling tower.
As preferably, this utility model can switch between internal ring water bootstrap system and steam-heating system,
Ensure that the reliability of gas turbine internal ring water-cooled system, improve the complete period efficiency softening water treatment facilities.
A kind of gas turbine internal ring water residual-heat utilization method, its feature is: use gas turbine internal ring water UTILIZATION OF VESIDUAL HEAT IN
System is carried out, and the step of described gas turbine internal ring water residual-heat utilization method is as follows:
(1) when the systems are operating normally, internal ring water UTILIZATION OF VESIDUAL HEAT IN valve and raw water pipeline stop valve are opened, internal ring water-cooled
Valve, former water bypass stop valve and steam ball valve are closed, and gas turbine supplied flue gases works for waste heat boiler, the internal ring of gas turbine
Water is ceaselessly circulated, and the heat taken out of is passed to former water by heat exchanger, and former water is heated to after preference temperature by heat exchange
Device is discharged, and enters softening water treatment facilities and processes, provides enough moisturizings for waste heat boiler；
(2), when breaking down when heat exchanger or need to safeguard, internal ring water UTILIZATION OF VESIDUAL HEAT IN valve and raw water pipeline stop valve close
Closing, internal ring water-cooled valve, former water bypass stop valve and steam ball valve are opened, and former water enters steam heat by former water bypass duct and hands over
Parallel operation, carries out heat exchange with from drawing gas of waste heat boiler, sends into and soften at water treatment facilities after former coolant-temperature gage is up to standard
Reason；
(3) when boiler replenishing water amount is less, for keeping the internal ring water return water temperature of gas turbine in the reasonable scope, now
Internal ring water UTILIZATION OF VESIDUAL HEAT IN valve, raw water pipeline stop valve and internal ring water-cooled valve need to be opened, close former water bypass stop valve and steam
Ball valve, the heat that the internal ring water of gas turbine is unnecessary is drained by cooling tower, it is ensured that gas turbine trouble free service；
(4) when boiler replenishing water amount is bigger, internal ring water UTILIZATION OF VESIDUAL HEAT IN valve, raw water pipeline stop valve, former water bypass stop valve
Opening with steam ball valve, internal ring water-cooled valve cuts out, and makes former water carry out heat exchange by heat exchanger and steam heat-exchanger, it is ensured that
Soften the former water that water water replanishing device has the preference temperature of abundance.
As preferably, this utility model includes with lower channel: the flue gas of gas turbine utilizes pipeline to enter by fume afterheat
Enter waste heat boiler, drain formation gas turbine flue gas by exhaust emission tube road subsequently and utilize pipeline；The internal ring water of gas turbine
Enter internal ring water UTILIZATION OF VESIDUAL HEAT IN valve by internal ring water discharge pipe road, subsequently enter heat exchanger, then by internal ring water reflux line stream
The gas-turbine that strile-backs forms UTILIZATION OF VESIDUAL HEAT IN passage；The internal ring water of gas turbine enters internal ring water-cooled by internal ring water discharge pipe road
Valve, subsequently enters cooling tower, more cooled water bypass duct flows into internal ring water reflux line and forms internal ring water-cooled passage；Former water
Entered raw water pipeline stop valve by raw water pipeline, subsequently enter heat exchanger, then enter soft water chemical treatment dress by outlet conduit
Put, enter waste heat boiler finally by moisturizing pipeline and form the former aquaporin of waste-heat；Former water is entered by former water by raw water pipeline
Road stop valve enters steam heat-exchanger by former water bypass duct subsequently and enters soft water chemical treatment by bypass outlet conduit again
Device, enters waste heat boiler finally by moisturizing pipeline and forms former steam heating passage；Waste heat boiler by jet chimney and
Steam ball valve enters steam heat-exchanger, is discharged by solidifying water discharge pipe road subsequently and forms steam heat releasing passage.
This utility model compared with prior art, has the following advantages and effect: in (1) effectively can utilize gas turbine
The low-quality used heat of ring water, it is to avoid the waste of heat；(2) saved the steam needed for reverse osmosis unit traditional handicraft, eliminated
The phenomenon of heat " high-quality low with "；(3) greatly reduce the blower fan of cooling tower power consumption of gas turbine internal ring water system, improve
The economic benefit of system；(4) internal ring coolant-temperature gage is relatively low, is difficult to water temperature over-high after the heating of former water occur, damages reverse osmosis membrane
Phenomenon；(5) based on internal ring water bootstrap system, it is aided with steam-heating system, it is ensured that the reliability of system；(6) knot
Structure is reasonable in design, design uniqueness, operates steadily, good reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of gas turbine internal ring water bootstrap system in this utility model embodiment.
In figure: 1, gas turbine；2, fume afterheat utilizes pipeline；3, waste heat boiler；4, exhaust emission tube road；5, internal ring water
Discharge line；6, internal ring water UTILIZATION OF VESIDUAL HEAT IN valve；7, heat exchanger；8, internal ring water reflux line；9, internal ring water-cooled valve；10, cold
But tower；11, cooling water bypass pipeline；12, raw water pipeline；13, raw water pipeline stop valve；14, outlet conduit；15, soften at water
Reason device；16, moisturizing pipeline；17, former water bypass stop valve；18, former water bypass duct；19, steam heat-exchanger；20, bypass
Outlet conduit；21, jet chimney；22, steam ball valve；23, solidifying water discharge pipe road.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are right
Explanation of the present utility model and this utility model is not limited to following example.
Embodiment.
Seeing Fig. 1, the gas turbine internal ring water bootstrap system in the present embodiment includes gas turbine 1, fume afterheat
Utilize pipeline 2, waste heat boiler 3, exhaust emission tube road 4, internal ring water discharge pipe road 5, internal ring water UTILIZATION OF VESIDUAL HEAT IN valve 6, heat exchanger
7, internal ring water reflux line 8, internal ring water-cooled valve 9, cooling tower 10, cooling water bypass pipeline 11, raw water pipeline 12, raw water pipeline
Stop valve 13, outlet conduit 14, softening water treatment facilities 15, moisturizing pipeline 16, former water bypass stop valve 17, former water bypass duct
18, steam heat-exchanger 19, bypass outlet conduit 20, jet chimney 21, steam ball valve 22 and solidifying water discharge pipe road 23, wherein,
Softening water treatment facilities 15 can be that reverse osmosis softens water treatment facilities, and cooling tower 10 can be closed circulation cooling tower.
The exhanst gas outlet of the gas turbine 1 in the present embodiment utilizes the flue gas of pipeline 2 and waste heat boiler 3 by fume afterheat
Import connects, and the exhanst gas outlet of waste heat boiler 3 connects exhaust emission tube road 4, and the internal ring water out of gas turbine 1 passes through internal ring water
Discharge line 5 is connected with the import of internal ring water UTILIZATION OF VESIDUAL HEAT IN valve 6, the outlet of internal ring water UTILIZATION OF VESIDUAL HEAT IN valve 6 and the height of heat exchanger 7
Warm water side-entrance connects, and the high-temperature water side outlet of heat exchanger 7 is by the internal ring water of internal ring water reflux line 8 with gas turbine 1
Import connects.
Raw water pipeline 12 in the present embodiment is connected with the import of raw water pipeline stop valve 13, raw water pipeline stop valve 13
Outlet is connected with the water at low temperature side-entrance of heat exchanger 7, and the water at low temperature side outlet of heat exchanger 7 is by outlet conduit 14 and softening
The water inlet of water treatment facilities 15 connects, and softens the outlet of water treatment facilities 15 by moisturizing pipeline 16 and waste heat boiler 3
Water supplement port connects.
The import of the former water bypass stop valve 17 in the present embodiment is connected with raw water pipeline 12, former water bypass stop valve 17
Outlet is connected with the water side-entrance of steam heat-exchanger 19 by former water bypass duct 18, the water side outlet of steam heat-exchanger 19
It is connected with the water inlet softening water treatment facilities 15 by bypass outlet conduit 20.
The interface that draws gas of the waste heat boiler 3 in the present embodiment is connected with the import of steam ball valve 22 by jet chimney 21,
The outlet of steam ball valve 22 is connected with the vapour side-entrance of steam heat-exchanger 19, the vapour side outlet of steam heat-exchanger 19 and solidifying water
Discharge line 23 connects.
The import of the internal ring water-cooled valve 9 in the present embodiment is connected with internal ring water discharge pipe road 5, internal ring water-cooled valve 9
Outlet is connected with the cooling water inlet of cooling tower 10, and the coolant outlet of cooling tower 10 is connected to by cooling water bypass pipeline 11
Internal ring water reflux line 8.
Gas turbine internal ring water bootstrap system in the present embodiment includes with lower channel: the flue gas of gas turbine 1 leads to
Crossing fume afterheat utilizes pipeline 2 to enter waste heat boiler 3, drains formation gas turbine flue gas profit by exhaust emission tube road 4 subsequently
Use pipeline；The internal ring water of gas turbine 1 enters internal ring water UTILIZATION OF VESIDUAL HEAT IN valve 6 by internal ring water discharge pipe road 5, subsequently enters heat friendship
Parallel operation 7, then flow back into gas turbine 1 by internal ring water reflux line 8 and form UTILIZATION OF VESIDUAL HEAT IN passage；The internal ring water of gas turbine 1 leads to
Cross internal ring water discharge pipe road 5 and enter internal ring water-cooled valve 9, subsequently enter cooling tower 10, more cooled water bypass duct 11 flows into
Internal ring water reflux line 8 forms internal ring water-cooled passage；Former water is entered raw water pipeline stop valve 13 by raw water pipeline 12, with laggard
Enter heat exchanger 7, then enter softening water treatment facilities 15 by outlet conduit 14, enter waste heat pot finally by moisturizing pipeline 16
Stove 3 forms the former aquaporin of waste-heat；Former water is entered former water bypass stop valve 17 by raw water pipeline 12 and is bypassed by former water subsequently
Pipeline 18 enters steam heat-exchanger 19 and enters softening water treatment facilities 15 by bypass outlet conduit 20 again, finally by moisturizing
Pipeline 16 enters waste heat boiler 3 and forms former steam heating passage；Waste heat boiler 3 is entered by jet chimney 21 and steam ball valve 22
Enter steam heat-exchanger 19, discharged by solidifying water discharge pipe road 23 subsequently and form steam heat releasing passage.
The operating procedure of the gas turbine internal ring water residual-heat utilization method in the present embodiment is as follows.
(1) when gas turbine internal ring water bootstrap system normally works, internal ring water UTILIZATION OF VESIDUAL HEAT IN valve 6 and raw water pipeline
Stop valve 13 is opened, and internal ring water-cooled valve 9, former water bypass stop valve 17 and steam ball valve 22 are closed, gas turbine 1 supplied flue gases
Working for waste heat boiler 3, the internal ring water of gas turbine 1 is ceaselessly circulated, and the heat taken out of is passed to former by heat exchanger 7
Water, former water is discharged by heat exchanger 7 after being heated to preference temperature, enters softening water treatment facilities 15 and processes, for waste heat pot
Stove 3 provides enough moisturizings.
(2) when heat exchanger 7 breaks down or needs to safeguard, internal ring water UTILIZATION OF VESIDUAL HEAT IN valve 6 and raw water pipeline stop valve
13 close, and internal ring water-cooled valve 9, former water bypass stop valve 17 and steam ball valve 22 are opened, and former water bypasses stop valve by former water
17 and former water bypass duct 18 enter steam heat-exchanger 19, carry out heat exchange with from drawing gas of waste heat boiler 3, former water temperature
Spend rear softening water treatment facilities 15 of sending into up to standard to process.
(3) when boiler replenishing water amount is less, for keeping the internal ring water return water temperature of gas turbine 1 in the reasonable scope, this
Time need to open internal ring water UTILIZATION OF VESIDUAL HEAT IN valve 6, internal ring water-cooled valve 9 and raw water pipeline stop valve 13, close former water bypass stop valve
17 and steam ball valve 22, the heat that the internal ring water of gas turbine 1 is unnecessary is drained by cooling tower 10, it is ensured that gas turbine 1 safety
Work.To those skilled in the art, the actual temp numerical value of the zone of reasonableness of the internal ring water return water temperature of gas turbine 1
It it is common knowledge.
(4) when boiler replenishing water amount is bigger, the bypass cut-off of internal ring water UTILIZATION OF VESIDUAL HEAT IN valve 6, raw water pipeline stop valve 13, former water
Valve 17 and steam ball valve 22 are opened, and internal ring water-cooled valve 9 cuts out, and make former water be entered by heat exchanger 7 and steam heat-exchanger 19
Row heat exchange, it is ensured that soften the former water that water water replanishing device 15 has the preference temperature of abundance.
Furthermore, it is necessary to explanation, the specific embodiment described in this specification, the shape of its parts and components, it is named
Titles etc. can be different, and the above content described in this specification is only to this utility model structure example explanation.
All equivalence changes done according to structure, feature and the principle described in this utility model inventional idea or simple change, all wrap
Include in the protection domain of this utility model patent.This utility model person of ordinary skill in the field can be to described
Specific embodiment makes various amendment or supplements or use similar mode to substitute, without departing from knot of the present utility model
Structure or surmount scope defined in the claims, all should belong to protection domain of the present utility model.
Claims (4)
1. a gas turbine internal ring water bootstrap system, including gas turbine, it is characterised in that: also include fume afterheat profit
With pipeline, waste heat boiler, exhaust emission tube road, internal ring water discharge pipe road, internal ring water UTILIZATION OF VESIDUAL HEAT IN valve, heat exchanger, internal ring water
The bypass of reflux line, raw water pipeline, raw water pipeline stop valve, outlet conduit, softening water treatment facilities, moisturizing pipeline, former water cuts
Only valve, former water bypass duct, steam heat-exchanger, bypass outlet conduit, jet chimney, steam ball valve and solidifying water discharge pipe road,
The exhanst gas outlet of described gas turbine utilizes pipeline to be connected with the gas approach of waste heat boiler by fume afterheat, described waste heat pot
The exhanst gas outlet of stove connects exhaust emission tube road, and the internal ring water out of described gas turbine passes through internal ring water discharge pipe road and internal ring
The import of water UTILIZATION OF VESIDUAL HEAT IN valve connects, and the outlet of described internal ring water UTILIZATION OF VESIDUAL HEAT IN valve connects with the high-temperature water side-entrance of heat exchanger
Connecing, the high-temperature water side outlet of described heat exchanger is connected with the internal ring water inlet of gas turbine by internal ring water reflux line, institute
State raw water pipeline to be connected with the import of raw water pipeline stop valve, the outlet of described raw water pipeline stop valve and the low temperature of heat exchanger
Water side-entrance connects, and the water at low temperature side outlet of described heat exchanger is connected by outlet conduit and the water inlet softening water treatment facilities
Connecing, the outlet of described softening water treatment facilities is connected with the water supplement port of waste heat boiler by moisturizing pipeline, and described former water bypasses
The import of stop valve is connected with raw water pipeline, and the outlet of described former water bypass stop valve is handed over steam heat by former water bypass duct
The water side-entrance of parallel operation connects, and the water side outlet of described steam heat-exchanger is by bypass outlet conduit and softening water treatment facilities
Water inlet connect, the interface that draws gas of described waste heat boiler is connected with the import of steam ball valve by jet chimney, described steam
The outlet of ball valve is connected with the vapour side-entrance of steam heat-exchanger, the vapour side outlet of described steam heat-exchanger and solidifying water discharge pipe
Road connects.
Gas turbine internal ring water bootstrap system the most according to claim 1, it is characterised in that: also include that internal ring water dissipates
Thermal valve, cooling tower and cooling water bypass pipeline, the import of described internal ring water-cooled valve is connected with internal ring water discharge pipe road, described interior
The outlet of ring water-cooled valve is connected with the cooling water inlet of cooling tower, and the coolant outlet of described cooling tower passes through cooling water bypass
Pipeline is connected to internal ring water reflux line.
Gas turbine internal ring water bootstrap system the most according to claim 1, it is characterised in that: described soft water chemical treatment
Device is that reverse osmosis softens water treatment facilities.
Gas turbine internal ring water bootstrap system the most according to claim 2, it is characterised in that: described cooling tower is for closing
Formula circulating cooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620663935.2U CN205842604U (en) | 2016-06-29 | 2016-06-29 | A kind of gas turbine internal ring water bootstrap system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620663935.2U CN205842604U (en) | 2016-06-29 | 2016-06-29 | A kind of gas turbine internal ring water bootstrap system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205842604U true CN205842604U (en) | 2016-12-28 |
Family
ID=57620988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620663935.2U Withdrawn - After Issue CN205842604U (en) | 2016-06-29 | 2016-06-29 | A kind of gas turbine internal ring water bootstrap system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937754A (en) * | 2016-06-29 | 2016-09-14 | 杭州华电双冠能源科技有限公司 | System and method for utilizing waste heat of inner ring water of gas turbine |
-
2016
- 2016-06-29 CN CN201620663935.2U patent/CN205842604U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937754A (en) * | 2016-06-29 | 2016-09-14 | 杭州华电双冠能源科技有限公司 | System and method for utilizing waste heat of inner ring water of gas turbine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161228 Effective date of abandoning: 20180109 |