CN207137625U - Ammoniacal liquor recovery system in thermal power plant's condenser - Google Patents
Ammoniacal liquor recovery system in thermal power plant's condenser Download PDFInfo
- Publication number
- CN207137625U CN207137625U CN201720815559.9U CN201720815559U CN207137625U CN 207137625 U CN207137625 U CN 207137625U CN 201720815559 U CN201720815559 U CN 201720815559U CN 207137625 U CN207137625 U CN 207137625U
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- CN
- China
- Prior art keywords
- condenser
- ammoniacal liquor
- spray
- power plant
- thermal power
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- 235000011114 ammonium hydroxide Nutrition 0.000 title claims abstract description 52
- 238000011084 recovery Methods 0.000 title claims abstract description 14
- 239000007921 spray Substances 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000005507 spraying Methods 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 7
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000005086 pumping Methods 0.000 claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 26
- 229910021529 ammonia Inorganic materials 0.000 abstract description 13
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Paper (AREA)
Abstract
Ammoniacal liquor recovery system in a kind of thermal power plant's condenser is the utility model is related to, to improve the economy of thermal power plant's pumped vacuum systems, feature of environmental protection operation designs.The utility model increases condensate spray-absorption ammonia device newly in condenser；The condenser includes hydroecium entrance, hydroecium outlet, connection hydroecium entrance and the heat exchange tube of condenser beam of hydroecium outlet；Ammoniacal liquor retracting device is provided with the condenser, the ammoniacal liquor retracting device includes being arranged on heat exchange tube of condenser Shu Shangfang spray water spraying pipe, spray water spraying pipe one openend closing, another openend connects shower water water feed apparatus, the spray aproll mouth that Open Side Down is laid with the spray water spraying pipe, the spray aproll mouth is directed at the air cooling end in condenser.The utility model substantially increases thermal power plant's condenser system, the economic benefit and environmental benefit of pumped vacuum systems operation.
Description
Technical field
Thermal power plant's evacuation system for steam condenser field is the utility model is related to, more particularly in a kind of thermal power plant's condenser
Ammoniacal liquor recovery system.
Background technology
Thermal power plant in order to prevent corrosion of metal in therrmodynamic system, it is necessary to using ammoniacal liquor by the pH of steam be adjusted to 9.0 with
On, its steam of waste heat boiler pH particularly in gas-steam combined cycle set needs to adjust to higher.Steam turbine of thermal power plant
With condenser in the process of running due to the imprecision of themselves structure, a small amount of air in environment will enter equipment
In, if not in time extracted incondensable gas out, the pressure rise of device interior is may result in, to the safety and efficiency of steam turbine
It can have a huge impact.While incondensable gas of traditional pumped vacuum systems in by condenser is extracted out, extract a large amount of
Ammonia, this part high concentration ammonia is not recycled utilization, wastes high concentration ammoniacal liquor, add the operation of pumped vacuum systems
Cost and System drainage processing cost.
In view of above-mentioned, the design people is actively subject to research and innovation, is reclaimed to found ammoniacal liquor in a kind of thermal power plant's condenser
System, make it with more the value in industry.
Utility model content
In order to solve the above technical problems, the purpose of this utility model, which is to provide one kind, had both solved existing pumped vacuum systems row
The problem of ammoniacal liquor taste is pungent in alkaline high, working environment, while reduce pumped vacuum systems rate of air sucked in required and its operating cost
Thermal power plant's condenser in ammoniacal liquor recovery system.
Ammoniacal liquor recovery system in the utility model thermal power plant condenser, including：Connect the condensing of turbine low pressure cylinder exhaust
Device, the condenser hotwell connected with described condenser condensed water delivery port and the condenser are connected by vacuum-pumping pipeline
Pumped vacuum systems, wherein, the condenser includes the solidifying of hydroecium entrance, hydroecium outlet, connection hydroecium entrance and hydroecium outlet
Vapour device heat-exchanging tube bundle；Ammoniacal liquor retracting device is provided with the condenser, the ammoniacal liquor retracting device changes including being arranged on condenser
Spray water spraying pipe above heat pipe bundle, spray water spraying pipe one openend closing, another openend connection shower water water inlet dress
Put, the spray aproll mouth that Open Side Down is laid with the spray water spraying pipe, the spray aproll mouth is directed at the sky in condenser
Air cooling portion；
Turbine low pressure cylinder is discharged into condenser, and the turbine low pressure cylinder exhaust after being condensed is changed into condensate, enters
Enter to be located at the condenser hotwell of condenser bottom；It is highly concentrated in the air cooling end non-condensing gas of spray aproll mouth bottom
After degree ammonia contacts with the condensate that spray aproll mouth sprays out from top to bottom, it is changed into high concentration ammoniacal liquor, into condenser hotwell；
Being absorbed the non-condensing gas of ammonia, evacuated pipe, water-sealed valve enter successively under the attraction of pumped vacuum systems water ring vacuum pump
Enter pumped vacuum systems.
Further, the condenser hotwell outlet condensate lateral, set on the condensate lateral
There is spray aproll pump, the spray aproll for spraying water spraying pipe is derived from the condensate of condenser hotwell outlet.
Further, the condenser hotwell outlet ammoniacal liquor lateral, the ammoniacal liquor branch line connect boiler
Water supply system, into the high concentration ammoniacal liquor of condenser hotwell, through being recycled by ammoniacal liquor branch line boiler of feeding water supply system.
Compared with prior art, ammoniacal liquor recovery system has advantages below in the utility model thermal power plant condenser：
The utility model increases ammoniacal liquor retracting device newly in condenser, can reclaim high concentration ammoniacal liquor, and be discharged into condenser
Hot well, recycled by condensate pump into the feed water system of boiler.The utility model solves existing pumped vacuum systems draining
The problem of ammoniacal liquor taste is pungent in alkaline high, working environment, high concentration ammoniacal liquor is not recycled, while reduce to vacuumize and be
Rate of air sucked in required of uniting and its operating cost.After Tthe utility model system, high concentration ammoniacal liquor can be reclaimed in condenser, is recovered
Ammoniacal liquor is directly entered the feed water system of boiler and recycles use, greatly reduces the usage amount of the fresh ammoniacal liquor of thermal power plant.In addition, this
Utility model reduces the problem of alkaline waste water is discharged in pumped vacuum systems draining, reduces the processing cost of System drainage.This
System and method is significant to the economy and feature of environmental protection operation for improving thermoelectricity generating set.
Only it is the general introduction of technical solutions of the utility model using described above, in order to better understand the utility model
Technological means, and can be practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate attached below
Figure is described in detail as after.
Brief description of the drawings
Ammoniacal liquor retracting device sketch in Fig. 1 the utility model condensers；
Fig. 2 the utility model Fig. 1 A-A sectional drawings；
Fig. 3 the utility model sprays aproll partial side elevation view；
1 turbine low pressure cylinder is vented；2 condensers；3 water-sealed valves；4 vacuum-pumping tubes；5 pumped vacuum systems；6 hydroecium entrances；7 water
Room exports；8 heat exchange tube of condenser beams；9 air hoses；10 condenser hotwells；11 condenser hotwells export；12 spray aproll pumps；13
Spray water spraying pipe；14 air cooling ends；15 spray aproll dividing plates；16 spray aproll mouths.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
Embodiment 1
As shown in Figures 1 to 3, ammoniacal liquor recovery system in the present embodiment thermal power plant condenser, including connection turbine low pressure cylinder
Condenser, the condenser hotwell of exhaust, the condenser include hydroecium entrance, hydroecium outlet, connect hydroecium entrance and exit
Heat exchange tube of condenser beam, ammoniacal liquor retracting device is additionally provided with the condenser.Ammoniacal liquor retracting device includes vapour in the condenser
Turbine low pressure (LP) cylinder exhaust 1, condenser 2, spray aproll, which absorbs ammonia system and vacuum-pumping pipeline, the condenser 2, includes hydroecium
Entrance 6, heat exchange tube of condenser beam 8, hydroecium export the 7, condenser hotwell 10 positioned at the bottom of condenser 2 and are connected with each other it
Pipeline；The spray aproll, which absorbs ammonia system, to be included exporting the spray aproll on 11 branch lines positioned at condenser hotwell
Pump 12, the spray water spraying pipe 13 above heat exchange tube of condenser beam 8, spray water spraying pipe 13 both ends are closed and aproll
Pipe bottom is furnished with the spray aproll mouth 16 and be connected with each other their pipeline that Open Side Down；The vacuum-pumping pipeline includes taking out very
Blank pipe 4, water-sealed valve 3 and it is connected with each other their pipeline.The spray aproll of spray water spraying pipe 13 bottom spray aproll mouth 16 takes
11 condensates are exported from condenser hotwell.
In the present embodiment, a part of condenser hotwell outlet condensate is taken by spray aproll pumping, and by spraying aproll
Pump enters the spray water spraying pipe being arranged on above condenser heat-exchange tube bundle, and spray water spraying pipe bottom is furnished with spray aproll mouth, gathered
The high concentration ammonia collected in the non-condensing gas on condenser heat-exchange tube bundle top contacts with top-down spray condensate
Afterwards, it is changed into high concentration ammoniacal liquor.
Embodiment 2
Ammoniacal liquor recovery system in the present embodiment thermal power plant condenser, on the basis of embodiment 1, the condenser hotwell goes out
Mouth connection condensate lateral, the condensate lateral are provided with spray aproll pump, spray the spray aproll of water spraying pipe
It is derived from the condensate of condenser hotwell outlet.The condenser hotwell outlet ammoniacal liquor lateral, the ammoniacal liquor branched pipe
Road connects the feed water system of boiler, into the high concentration ammoniacal liquor of condenser hotwell, through by ammoniacal liquor branch line boiler of feeding to water system
System recycles.
The present embodiment, on the basis of embodiment 1, fully accomplish recycling for resource, it is environmentally friendly, cost-effective.
Ammoniacal liquor recovery system in the utility model thermal power plant condenser, operation principle specifically include：
Turbine low pressure cylinder exhaust 1 is discharged into condenser 2, for cooling down the cooling water of turbine low pressure cylinder exhaust 1 from water
Chamber inlet 6 enters heat exchange tube of condenser water side, turbine low pressure cylinder exhaust 1 is cooled down on the surface of heat exchange tube of condenser beam 8
Afterwards, cooling water discharges condenser from hydroecium outlet 7；Turbine low pressure cylinder exhaust after being condensed 1 is changed into condensate, into positioned at
The condenser hotwell 10 of the bottom of condenser 2；Condensate in condenser hotwell 10 is expelled to condensation through condenser hotwell outlet 11
Water pump.
Condenser hotwell exports 11 partial coagulation water and is drawn into through spraying aproll pump 12 installed in heat exchange tube of condenser beam 8
The spray water spraying pipe 13 of top, spray water spraying pipe 13 bottom are furnished with the downward spray aproll mouth 16 of lower mouth, positioned at spray aproll mouth
High concentration ammonia in the non-condensing gas of air cooling end 14 of 16 bottoms sprays out solidifying from top to bottom with spray aproll mouth 16
After bearing water contact, be changed into high concentration ammoniacal liquor, into condenser hotwell 10, condensate pump after be again introduced into the feed water system of boiler circulation
Use.
Absorbed the non-condensing gas of the ammonia evacuated pipe successively under the attraction of the water ring vacuum pump of pumped vacuum systems 5
4th, water-sealed valve 3 enters pumped vacuum systems 5.
Shower water is derived from condenser hotwell and exports 11 condensates, and the shower water for absorbing ammonia is changed into high concentration ammoniacal liquor, then
It is secondary to enter condenser hotwell 10, recycled by condensate pump boiler of feeding water supply system.
Ammoniacal liquor recovery system in thermal power plant's condenser of the present utility model, can realize and high strength ammonia is absorbed in condenser
Gas, absorbed high concentration ammoniacal liquor are directly entered condenser hotwell, are then circulated by condensate pump into the feed water system of boiler.
Reduce the ammonia loss that existing pumped vacuum systems is taken away, reduce the discharge capacity containing alkali waste water of pumped vacuum systems, drop simultaneously
The low power consumption of pumped vacuum systems, fresh ammoniacal liquor dosage used in water supply pH adjustment is saved, this method is significantly
Improve thermal power plant's condenser system, the economic benefit and environmental benefit of pumped vacuum systems operation.
Described above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of the utility model technical principle is not departed from, can also do
Go out some improvement and modification, these improvement and modification also should be regarded as the scope of protection of the utility model.
Claims (3)
- A kind of 1. ammoniacal liquor recovery system in thermal power plant's condenser, it is characterised in that including：Connect the solidifying of turbine low pressure cylinder exhaust Vapour device, the condenser hotwell connected with described condenser condensed water delivery port and the condenser are connected by vacuum-pumping pipeline Logical pumped vacuum systems, wherein, the condenser includes hydroecium entrance, hydroecium outlet, connection hydroecium entrance and hydroecium outlet Heat exchange tube of condenser beam；Ammoniacal liquor retracting device is provided with the condenser, the ammoniacal liquor retracting device includes being arranged on condenser Spray water spraying pipe above heat-exchanging tube bundle, spray water spraying pipe one openend closing, another openend connection shower water water inlet Device, described spray are laid with the spray aproll mouth that Open Side Down in water spraying pipe, in the spray aproll mouth alignment condenser Air cooling end.
- 2. ammoniacal liquor recovery system in thermal power plant's condenser according to claim 1, it is characterised in that the condenser hotwell Outlet condensate lateral, the condensate lateral are provided with spray aproll pump, and the spray for spraying water spraying pipe dissipates Water is derived from the condensate of condenser hotwell outlet.
- 3. ammoniacal liquor recovery system in thermal power plant's condenser according to claim 1, it is characterised in that the condenser hotwell Outlet ammoniacal liquor lateral, the ammoniacal liquor branch line connects the feed water system of boiler, into the high concentration of condenser hotwell Ammoniacal liquor, through being recycled by ammoniacal liquor branch line boiler of feeding water supply system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720815559.9U CN207137625U (en) | 2017-07-06 | 2017-07-06 | Ammoniacal liquor recovery system in thermal power plant's condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720815559.9U CN207137625U (en) | 2017-07-06 | 2017-07-06 | Ammoniacal liquor recovery system in thermal power plant's condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207137625U true CN207137625U (en) | 2018-03-27 |
Family
ID=61672312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720815559.9U Expired - Fee Related CN207137625U (en) | 2017-07-06 | 2017-07-06 | Ammoniacal liquor recovery system in thermal power plant's condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207137625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115724440A (en) * | 2022-11-14 | 2023-03-03 | 攀钢集团攀枝花钢铁研究院有限公司 | A method for solid-liquid separation of ammonia-containing leaching slurry and ammonia recovery |
-
2017
- 2017-07-06 CN CN201720815559.9U patent/CN207137625U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115724440A (en) * | 2022-11-14 | 2023-03-03 | 攀钢集团攀枝花钢铁研究院有限公司 | A method for solid-liquid separation of ammonia-containing leaching slurry and ammonia recovery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 Termination date: 20180706 |
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| CF01 | Termination of patent right due to non-payment of annual fee |