CN205014337U - A water supply equipment for improving waste heat power generation system heat exchange efficiency - Google Patents
A water supply equipment for improving waste heat power generation system heat exchange efficiency Download PDFInfo
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- CN205014337U CN205014337U CN201520615188.0U CN201520615188U CN205014337U CN 205014337 U CN205014337 U CN 205014337U CN 201520615188 U CN201520615188 U CN 201520615188U CN 205014337 U CN205014337 U CN 205014337U
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Abstract
The utility model relates to a water supply equipment for improving waste heat power generation system heat exchange efficiency, include: water water heat exchanger, inside be equipped with mutual partition and mutually between carry out the heat exchange first heat transfer passageway and second heat transfer passageway, first heat transfer passageway in be equipped with first import and first export on the water water exchange ware, second heat transfer passageway in be equipped with second import and second export on the water water exchange ware, the intercommunication the condensate water pipeline of first import, the intercommunication the oxygen -eliminating device inlet channel of first export, the oxygen -eliminating device inlet channel communicates with the water inlet of oxygen -eliminating device, the intercommunication the oxygen -eliminating device outlet conduit of second import, oxygen -eliminating device outlet conduit communicates with the delivery port of oxygen -eliminating device, and intercommunication the economizer water feeding pipe of second export. The utility model discloses make full use of flue gas waste heat improves ferroalloy waste heat power generation system's heat exchange efficiency.
Description
Technical field
The utility model relates to waste heat boiler field, refers in particular to a kind of waterworks for improving afterheat generating system heat exchange efficiency.
Background technology
The a large amount of condensing waste heat of current large-scale extraction condensing type thermal power plant unit is recycled cooling water and takes away, and this part ability accounts for more than 30% of gross energy, and is emitted by cooling tower and make energy dissipation.But the heating technology that directly draws gas, in heating once, there is very large heat transfer temperature difference in backwater process, large heat transfer temperature difference causes huge irreversible loss to its extracted steam from turbine, also result in energy waste.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provides a kind of waterworks for improving afterheat generating system heat exchange efficiency, solves in prior art and directly cools or the problem causing mass energy to waste of directly drawing gas.
The technical scheme realizing above-mentioned purpose is:
A kind of waterworks for improving afterheat generating system heat exchange efficiency of the utility model, comprising:
Water water-to-water heat exchanger, inside be provided with mutually separate and mutually between carry out the first heat exchanger channels and second heat exchanger channels of heat exchange, described first heat exchanger channels is provided with the first import and the first outlet in described water water coke slurry device, and described second heat exchanger channels is provided with the second import and the second outlet in described water water coke slurry device;
Be communicated with the condensing water conduit of described first import;
Be communicated with the oxygen-eliminating device inlet channel of described first outlet, described oxygen-eliminating device inlet channel is communicated with the water inlet of oxygen-eliminating device;
Be communicated with the oxygen-eliminating device outlet conduit of described second import, described oxygen-eliminating device outlet conduit is communicated with the delivery port of oxygen-eliminating device; And
Be communicated with the economizer feedwater piping of described second outlet.
By waterworks, control feed temperature and the waste heat boiler exhaust gas temperature directly appropriate temperature difference, can arrange heat-transfer surface economically, the utility model makes full use of fume afterheat, improves the heat exchange efficiency of ferroalloy afterheat generating system.
The utility model is for the further improvement improving the waterworks of afterheat generating system heat exchange efficiency, and described oxygen-eliminating device is provided with heating steam inlet port.
The utility model is for the further improvement improving the waterworks of afterheat generating system heat exchange efficiency, is connected with feed pump between described oxygen-eliminating device outlet conduit and the delivery port of described oxygen-eliminating device.
The utility model is for the further improvement improving the waterworks of afterheat generating system heat exchange efficiency, the inlet communication of described economizer feedwater piping and economizer.
The utility model is for the further improvement improving the waterworks of afterheat generating system heat exchange efficiency, and condensing water conduit is communicated with condenser and collects the water that described condenser condenses.
The utility model is for the further improvement improving the waterworks of afterheat generating system heat exchange efficiency, enters the temperature range of the water in described water water-to-water heat exchanger between 100 DEG C to 105 DEG C through described oxygen-eliminating device outlet conduit.
The utility model is for the further improvement improving the waterworks of afterheat generating system heat exchange efficiency, enters the temperature range of the water in described water water-to-water heat exchanger between 40 DEG C to 45 DEG C through described condensing water conduit.
Accompanying drawing explanation
Fig. 1 is that the utility model is for improving the structural representation of the waterworks of afterheat generating system heat exchange efficiency.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model provides a kind of waterworks for improving afterheat generating system heat exchange efficiency, for reclaiming the water that exhaust steam in steam turbine condenses in condenser, by condensing water conduit, condensed water is sent in water water-to-water heat exchanger, by carrying out exchange heat with oxygen-eliminating device outlet conduit high-temperature water out, condensed water is heated then enter into oxygen-eliminating device by oxygen-eliminating device inlet pipeline to carry out heat cycles, oxygen-eliminating device high-temperature water out temperature after heat exchange reduces on the other hand, then enter into economizer by economizer feedwater piping, control feed temperature and the waste heat boiler exhaust gas temperature directly appropriate temperature difference, reduce the feed temperature entering economizer, the heat exchange efficiency of ferroalloy afterheat generating system can be improved, if but feed temperature is too low, then can corrode pipeline, therefore, the utility model can make full use of fume afterheat, control the temperature difference between feed temperature and waste heat supply temperature, feed temperature is suitable for, effective raising heat exchange efficiency and guarantee the safety of pipeline.Below in conjunction with accompanying drawing, the utility model is described for the waterworks improving afterheat generating system heat exchange efficiency.
Consulting Fig. 1, showing the utility model for improving the structural representation of the waterworks of afterheat generating system heat exchange efficiency.Below in conjunction with Fig. 1, the utility model is described for the waterworks improving afterheat generating system heat exchange efficiency.
As shown in Figure 1, the utility model comprises water water-to-water heat exchanger 11, condensing water conduit 12, oxygen-eliminating device inlet channel 13, oxygen-eliminating device outlet conduit 14 and economizer feedwater piping 15 for the waterworks improving afterheat generating system heat exchange efficiency, be provided with in water water-to-water heat exchanger 11 mutually separate and mutually between can carry out the first heat exchanger channels and second heat exchanger channels of heat exchange, first heat exchanger channels is provided with the first import and the first outlet on water water-to-water heat exchanger 11, and the second heat exchanger channels is provided with the second import and the second outlet on water water-to-water heat exchanger 11; Condensing water conduit 12 is communicated with the first import, by condensing water conduit 12, the condensed water of condensation is sent in the first heat exchanger channels of water water-to-water heat exchanger 11, oxygen-eliminating device inlet channel 13 is communicated with the water inlet of the first outlet and oxygen-eliminating device 16, is sent in oxygen-eliminating device 16 by oxygen-eliminating device inlet channel 13 by the water in the first heat exchanger channels; Oxygen-eliminating device outlet conduit 14 is communicated with the delivery port of the second import and oxygen-eliminating device 16, water after heating in oxygen-eliminating device 16 is sent in the second heat exchanger channels in water water-to-water heat exchanger 11, economizer feedwater piping 15 is communicated with the second outlet, by the water supply economizer in the second heat exchanger channels.
What flow in the first heat exchanger channels is the condensed water reclaimed by condensing water conduit 12, the high-temperature water heated by oxygen-eliminating device 16 flowed in second heat exchanger channels, water between first heat exchanger channels and the second heat exchanger channels is formed with temperature difference, heat exchange is carried out in water water-to-water heat exchanger 11, be sent to again in oxygen-eliminating device 16 after condensed water is heated and heat, the power consumption of oxygen-eliminating device 16 can be saved; The water flowed out in oxygen-eliminating device 16 is lowered the temperature through the heat exchange of the second heat exchanger channels, then by economizer to aquaporin 15 supply economizer, feed temperature can be controlled, when feed temperature reduces, correspondingly can improve the heat exchange efficiency of ferroalloy afterheat generating system, but feed temperature can not be too low, when it is too low, meeting corrosion pipeline, affects the safe operation of waterworks.By controlling the appropriate temperature difference between feed temperature and condensed water, can heat-transfer surface in the layout water water-to-water heat exchanger 11 of economical rationality, can also fume afterheat be made full use of, improve the heat exchange efficiency of ferroalloy afterheat generating system.
Be separated to form the first heat exchanger channels and the second heat exchanger channels by heat-transfer surface in water water-to-water heat exchanger 11, make the water in the first heat exchanger channels and the second heat exchanger channels carry out heat exchange by heat-transfer surface.
Oxygen-eliminating device 16 is provided with heating steam inlet port, is communicated with steam pipeline (trace) 161, is passed in oxygen-eliminating device 16, can heats the water in oxygen-eliminating device 16 by steam pipeline (trace) 161 by steam at heating steam inlet port place.Be connected with feed pump 17 between the delivery port of oxygen-eliminating device outlet conduit 14 and oxygen-eliminating device 16, by feed pump 17 by being extracted out by the water heated in oxygen-eliminating device 16, enter in water water-to-water heat exchanger 11 through oxygen-eliminating device outlet conduit 14 and carry out heat exchange.
Economizer feedwater piping 15 is communicated with the import 181 of economizer 18, and the water through cooling is sent in economizer 18 by economizer feedwater piping 15, and economizer 18 is also provided with outlet 182.
Condensing water conduit 12 is communicated with condenser, after exhaust steam in steam turbine condenses into water in condenser, is reclaimed by condensing water conduit 12, is fed in water water-to-water heat exchanger 11 and carries out heat exchange.
The temperature range of the water in water water-to-water heat exchanger 11 is entered between 100 DEG C to 105 DEG C through oxygen-eliminating device outlet conduit 14, be preferably 104 DEG C, enter the temperature range of the water in water water-to-water heat exchanger 11 between 40 DEG C to 45 DEG C through condensing water conduit 12, be preferably 45 DEG C.Condensed water in first heat exchanger channels enters in oxygen-eliminating device 16 after being heated to 75 DEG C by 45 DEG C, and the water in the second heat exchanger channels enters in economizer after being down to 75 DEG C by 104 DEG C.The temperature of the water formed after the first heat exchanger channels and the second heat exchanger channels carry out heat exchange is between 70 DEG C to 80 DEG C.
During the initial cycle of waterworks, the condensed water condensed in condenser is sent in water water-to-water heat exchanger by condensing water conduit, water in oxygen-eliminating device after Steam Heating is sent in water water-to-water heat exchanger by feed pump, condensed water and through oxygen-eliminating device heating water between carry out heat exchange, then condensed water enters in oxygen-eliminating device, water through oxygen-eliminating device heating enters in economizer, just defines heat exchange circulation afterwards.Make full use of fume afterheat to improve the heat exchange efficiency of ferroalloy afterheat generating system.
Below embodiment has been described in detail the utility model by reference to the accompanying drawings, and those skilled in the art can make many variations example to the utility model according to the above description.Thus, some details in embodiment should not formed restriction of the present utility model, the utility model by the scope that defines using appended claims as protection domain of the present utility model.
Claims (7)
1. for improving waterworks for afterheat generating system heat exchange efficiency, it is characterized in that, comprising:
Water water-to-water heat exchanger, inside be provided with mutually separate and mutually between carry out the first heat exchanger channels and second heat exchanger channels of heat exchange, described first heat exchanger channels is provided with the first import and the first outlet in described water water coke slurry device, and described second heat exchanger channels is provided with the second import and the second outlet in described water water coke slurry device;
Be communicated with the condensing water conduit of described first import;
Be communicated with the oxygen-eliminating device inlet channel of described first outlet, described oxygen-eliminating device inlet channel is communicated with the water inlet of oxygen-eliminating device;
Be communicated with the oxygen-eliminating device outlet conduit of described second import, described oxygen-eliminating device outlet conduit is communicated with the delivery port of oxygen-eliminating device; And
Be communicated with the economizer feedwater piping of described second outlet.
2. as claimed in claim 1 for improving the waterworks of afterheat generating system heat exchange efficiency, it is characterized in that, described oxygen-eliminating device is provided with heating steam inlet port.
3. as claimed in claim 1 or 2 for improving the waterworks of afterheat generating system heat exchange efficiency, it is characterized in that, between described oxygen-eliminating device outlet conduit and the delivery port of described oxygen-eliminating device, be connected with feed pump.
4. as claimed in claim 1 for improving the waterworks of afterheat generating system heat exchange efficiency, it is characterized in that, the inlet communication of described economizer feedwater piping and economizer.
5. as claimed in claim 1 for improving the waterworks of afterheat generating system heat exchange efficiency, it is characterized in that, condensing water conduit is communicated with condenser and collects the water that described condenser condenses.
6. as claimed in claim 1 for improving the waterworks of afterheat generating system heat exchange efficiency, it is characterized in that, enter the temperature range of the water in described water water-to-water heat exchanger between 100 DEG C to 105 DEG C through described oxygen-eliminating device outlet conduit.
7. as claimed in claim 1 for improving the waterworks of afterheat generating system heat exchange efficiency, it is characterized in that, the temperature range of the water entered in described water water-to-water heat exchanger through described condensing water conduit is between 40 DEG C to 45 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615188.0U CN205014337U (en) | 2015-08-14 | 2015-08-14 | A water supply equipment for improving waste heat power generation system heat exchange efficiency |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615188.0U CN205014337U (en) | 2015-08-14 | 2015-08-14 | A water supply equipment for improving waste heat power generation system heat exchange efficiency |
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| CN205014337U true CN205014337U (en) | 2016-02-03 |
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| CN201520615188.0U Active CN205014337U (en) | 2015-08-14 | 2015-08-14 | A water supply equipment for improving waste heat power generation system heat exchange efficiency |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578973A (en) * | 2018-11-02 | 2019-04-05 | 清华大学 | Oxygen-eliminating device system and working method |
| CN114958395A (en) * | 2022-06-02 | 2022-08-30 | 江苏运能能源科技有限公司 | Waste heat utilization method and system for biomass carbonization furnace |
-
2015
- 2015-08-14 CN CN201520615188.0U patent/CN205014337U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578973A (en) * | 2018-11-02 | 2019-04-05 | 清华大学 | Oxygen-eliminating device system and working method |
| CN109578973B (en) * | 2018-11-02 | 2024-01-02 | 清华大学 | Deaerator system and working method |
| CN114958395A (en) * | 2022-06-02 | 2022-08-30 | 江苏运能能源科技有限公司 | Waste heat utilization method and system for biomass carbonization furnace |
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