CN110207503A - Coal mine drainage water utilization system and power plant's air cooling system - Google Patents
Coal mine drainage water utilization system and power plant's air cooling system Download PDFInfo
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- CN110207503A CN110207503A CN201910587277.1A CN201910587277A CN110207503A CN 110207503 A CN110207503 A CN 110207503A CN 201910587277 A CN201910587277 A CN 201910587277A CN 110207503 A CN110207503 A CN 110207503A
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- Prior art keywords
- drainage water
- water
- cooling
- drainage
- coal mine
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- 239000003657 drainage water Substances 0.000 title claims abstract description 275
- 238000001816 cooling Methods 0.000 title claims abstract description 129
- 239000003245 coal Substances 0.000 title claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 24
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 22
- 238000001914 filtration Methods 0.000 claims description 21
- 238000012545 processing Methods 0.000 claims description 18
- 230000003020 moisturizing effect Effects 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 11
- 239000001569 carbon dioxide Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- 239000013589 supplement Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims 1
- 239000000498 cooling water Substances 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 15
- 238000012805 post-processing Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000005065 mining Methods 0.000 description 8
- 238000010992 reflux Methods 0.000 description 8
- 239000010865 sewage Substances 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000007516 brønsted-lowry acids Chemical class 0.000 description 1
- 150000007528 brønsted-lowry bases Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B7/00—Combinations of two or more condensers, e.g. provision of reserve condenser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/04—Auxiliary systems, arrangements, or devices for feeding, collecting, and storing cooling water or other cooling liquid
- F28B9/06—Auxiliary systems, arrangements, or devices for feeding, collecting, and storing cooling water or other cooling liquid with provision for re-cooling the cooling water or other cooling liquid
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
Abstract
A kind of coal mine drainage water utilization system and a kind of power plant's air cooling system.Coal mine drainage water utilization system includes spike cooler, drainage water conservancy component and drainage water treatment component.Spike cooler can cool down exhaust steam of electric power plant, spike cooler has cooling chamber, in being provided with cooling tube bundle in cooling chamber, thermal energy is absorbed as cooling water by drainage water, realize that steam exhaust is cooling, the high temperature drainage water section after absorbing thermal energy is exported, and be filtered by drainage water treatment component, ultrafiltration, the water process such as reverse osmosis operate, the purification for realizing drainage water, reaches in line requirement.Coal mine drainage water utilization system provided by the present invention, it can be carried out as the cooling water of spike cooler using the cooling for realizing spike cooler requires, and can heat to drainage water using drainage water, increase its temperature, to realize the concentration and post-processing of drainage water.The present invention does not use water in municipal administration substantially, can save high-quality water resource.
Description
Technical field
The present invention relates to the cooling equipment technical fields of power plant, and more specifically, in particular to a kind of coal mine drainage water conservancy is used
System and a kind of power plant's air cooling system.
Background technique
On the one hand
Drainage water is the sewage gushed out from coal seam during coal mining, as generated when pit mining earth's surface infiltration water and
Water table water includes the pollutants such as sand mud, dust, dissolving salt, bronsted lowry acids and bases bronsted lowry, coal particles, grease in drainage water, causes to dredge
Solid carbon dioxide ingredient is sufficiently complex.
Currently, drainage water only has a small amount of a part to can be applied to industrial production, and the overwhelming majority is using dumping naturally, this
Not only waste water resource, while will also result in environmental pollution.
If set out based on environmental protection, just need to handle drainage water, reduces its pollutant for being included
Implement to discharge again after content.
Currently, needing to provide heat source at runtime, and pass through for the drainage water zero discharge processing system of drainage water process
Special evaporator heating heating, realizes and improves waste strength, then handle again concentrated water, drainage water zero discharge processing system
System is there are heat resource waste, the problems such as drainage cost of water treatment is higher.
On the other hand
Cold end system is the important component in Power Plant system, and in north water deficit area, power plant's cold end system is more
For air cooling system, air cooling system is divided into direct air cooling system and indirect air cooling system two types, either which kind of air cooling system,
The problem of operation back pressure increases will occur because of the raising of environment temperature, both increase coal consumption for power generation in this way, and made operating cost
Increase, and steam turbine steam consumption can be made to increase, causes boiler load to increase, cause each subsidiary engine operating load of boiler is increased to ask
Topic, in this case, each relevant device is in beyond power operating status, the decline of unit safety in operation in generating set.
Especially in the summer high temperature period, and when being influenced by strong wind day vapour, air cooling system runnability and stability are big
Width reduces, and unit is difficult to reach rated generation power, substantially reduces production efficiency, and exist and shut down risk.
To solve problems, part air cooling unit can add spike cooling system to reduce unit back pressuce at present.But
It is that cooling water used in spike cooling system is mostly municipal middle water, in remote mining area, or in the lesser cities and towns of scale
In, municipal middle water discharge amount is difficult to meet the cooling water requirement requirement of spike, thus needs to consume a large amount of good water sources to expire
Being required with water for toe peak cooling system, will cause the waste of good water sources.
Summary of the invention
In conclusion how drainage water to be applied in air cooling unit coal mine drainage water utilization system, to realize drainage water
Effective use and reduce consumption of the air cooling unit coal mine drainage water utilization system to high-quality water resource, become this field skill
Art personnel's urgent problem to be solved.
To achieve the goals above, one aspect of the present invention provides the following technical solutions:
A kind of coal mine drainage water utilization system comprising: spike cooler, the spike cooler have cooling chamber, in
It is provided with cooling tube bundle in the cooling chamber, is connected with the import pipe and use imported for steam exhaust with the spike cooler
In the condensing water conduit of condensed water output, the import pipe and the condensing water conduit are connected to the cooling chamber；It dredges
Solid carbon dioxide utilizes component, and the drainage water conservancy component includes drainage water inlet pipe road and drainage water delivery pipe road, described to dredge
Solid carbon dioxide input channel is connect with the input end of the cooling tube bundle, the outlet in drainage water delivery pipe road and the cooling tube bundle
End connection；With drainage water treatment component, the drainage water treatment component is dredged for being filtered to received drainage water with described
The connection of solid carbon dioxide output channel.
In coal mine drainage water utilization system as described above, it is preferable that the drainage water conservancy component further includes useful
In carrying out cooling induced cooling tower to flowing through the drainage water to heat up after the cooling tube bundle；The induced cooling tower
Be set between drainage water delivery pipe road and drainage water inlet pipe road and with drainage water delivery pipe road and institute
State the connection of drainage water inlet pipe road.
In coal mine drainage water utilization system as described above, it is preferable that the drainage water conservancy component further include have it is thin
Solid carbon dioxide lays in forebay, and drainage water inlet pipe road connect with drainage water deposit forebay, is used for the drainage water deposit
The drainage water export laid in forebay is delivered in the cooling tube bundle, the induced cooling tower and the drainage water deposit
Forebay connection is laid in forebay for that will be back to the drainage water through induced cooling tower drainage water after cooling.
In coal mine drainage water utilization system as described above, it is preferable that the drainage water treatment component includes successively
Pretreatment filtration equipment, ultrafiltration apparatus, reverse osmosis water disposal facility and the super-pressure reverse osmosis water disposal facility of connection.
In coal mine drainage water utilization system as described above, it is preferable that the drainage water treatment component further includes useful
In the evaporator to treated drainage water is evaporated processing；It is the pretreatment filtration equipment, the ultrafiltration apparatus, described anti-
Infiltration water treatment facilities, the super-pressure reverse osmosis water disposal facility and the evaporator are sequentially connected.
In coal mine drainage water utilization system as described above, it is preferable that Yu Suoshu drainage water inlet pipe is provided on road
Water circulating pump；The water circulating pump is provided at least one, and when the water circulating pump is provided with multiple, whole described to follow
Ring water pump is arranged in parallel.
In coal mine drainage water utilization system as described above, it is preferable that dredged with the drainage water treatment component with described
The connection of solid carbon dioxide input channel connect to substitute the drainage water treatment component with drainage water delivery pipe road, at the drainage water
Reason component is located at the downstream of the water circulating pump.
In coal mine drainage water utilization system as described above, it is preferable that the drainage water conservancy component further includes oriented
Moisturizing pipeline through induced cooling tower drainage water supplement drainage water after cooling, the moisturizing pipeline and the machine power
The collecting-tank of aerating and cooling tower connects.
In coal mine drainage water utilization system as described above, it is preferable that be provided with and be used on Yu Suoshu spike cooler
By vacuum lead derived from non-condensing steam exhaust, the vacuum lead is connected to the cooling chamber.
Another aspect of the present invention provides the following technical solutions:
A kind of power plant's air cooling system includes for blow-off line derived from steam turbine steam exhaust, with the gland steam exhauster
Road is connected with air-cooled condensing plant, further includes having spike cooling system, and the spike cooling system is coal mine drainage water above-mentioned
Utilize system；The coal mine drainage water utilization system includes spike cooler, is connected with ingress pipe with the spike cooler
Road, the import pipe are connect with the blow-off line, and the spike cooler is arranged in parallel with the air-cooled condensing plant.
Technical solution bring provided by the invention has the beneficial effect that:
The present invention provides a kind of coal mine drainage water utilization systems, are based on the coal mine drainage water utilization system, the present invention is also
Provide a kind of power plant's air cooling system.In the present invention, which includes spike cooler, drainage water
Utilize component and drainage water treatment component.Spike cooler can cool down exhaust steam of electric power plant, and in the present invention, spike is cold
But device has cooling chamber, and in being provided with cooling tube bundle in cooling chamber, the steam exhaust of power plant emission can pass through cooling chamber and cooling tube
Shu Jinhang heat exchange, circulation has drainage water in cooling tube bundle, in this way by drainage water replace in municipal administration water or municipal tap water Lai
Absorb thermal energy.Drainage water after heat exchange carries out circulation, meanwhile, persistently there are the new introducing of drainage water and part
High temperature drainage water is exported, and is filtered by drainage water treatment component, ultrafiltration, the water process such as reverse osmosis operation, is realized
The purification of drainage water reaches in line requirement.Coal mine drainage water utilization system provided by the present invention is that one kind can utilize drainage
Water is carried out as the cooling water of spike cooler using in this way, realizing the cooling requirement of spike cooler, and can be to thin
Solid carbon dioxide is heated, and increases its temperature, to realize the concentration and post-processing of drainage water.The present invention is designed by its structure,
It can be realized a kind of electrical integrated production model of coal, in some big mineral zone, while planning construction power plant, formation coal are electric integrally
Change production model, simultaneously, additionally it is possible to drainage water is introduced, it is cold as power plant's coal mine drainage water utilization system using coal mine drainage water
But water, and zero-emission is realized after processing, while solving the problems, such as coal mine drainage water emission treatment and generating set spike cooling water
Source problem.In addition, the electrical integrated project of coal constructed by the present invention, mining area are closer with power plant, mating waterline engineering
Amount is smaller, can also reduce generating set operation back pressure, so that coal consumption for power generation is reduced, it is energy saving, improve unit production efficiency.And
And the present invention does not use water in municipal administration substantially, can save high-quality water resource.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.Wherein:
Fig. 1 is the structure schematic diagram of power plant's air cooling system in practical applications in one embodiment of the invention；
Description of symbols:
Spike cooler 1, cooling tube bundle 2, import pipe 3, condensing water conduit 4,
Drainage water inlet pipe road 5, drainage water delivery pipe road 6, pretreatment filtration equipment 7, ultrafiltration apparatus 8, at reverse osmosis water
Manage device 9, drainage water deposit forebay 10, induced cooling tower 11,
Super-pressure reverse osmosis water disposal facility 12, evaporator 13, water circulating pump 14, vacuum lead 15, blow-off line 16,
Moisturizing pipeline 17.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.The explanation of each example through the invention
Mode, which provides, to be not intended to limit the present invention.In fact, those skilled in the art will be clear that, the scope of the present invention or essence are not being departed from
In the case where mind, it can modify in the present invention and modification.For example, being illustrated or described as the spy of a part of one embodiment
Sign can be used for another embodiment, to generate another embodiment.Thus, it may be desirable to which the present invention includes to be included into appended power
Such modifications and variations in the range of benefit requirement and its equivalent.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the present invention rather than require the present invention that must be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.Term used in the present invention " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected,
It may be a detachable connection；It can be directly connected, can also be indirectly connected by intermediate member, for the common of this field
For technical staff, the concrete meaning of above-mentioned term can be understood as the case may be.
Referring to FIG. 1, Fig. 1 is the structural representation letter of power plant's air cooling system in practical applications in one embodiment of the invention
Figure.
The present invention provides a kind of coal mine drainage water utilization system, the basic composition of the coal mine drainage water utilization system is such as
Under, include:
1, spike cooler
Spike cooler 1 is to provide a kind of equipment of supplement heat rejecter in Electric Factory Air-Cooling system in order to reduce operation back pressure.
In the present invention, spike cooler 1 has cooling chamber, and the steam exhaust of power plant emission can be delivered in cooling chamber,
Cooling tube bundle 2 is provided in cooling chamber, such steam exhaust is contacted with cooling tube bundle 2 through heat exchange, and temperature reduction condenses into water
It is discharged again.
Specifically, it is connected with spike cooler 1 for the import pipe 3 of steam exhaust importing and for condensed water output
Condensing water conduit 4, import pipe 3 and condensing water conduit 4 are connected to cooling chamber.
Cooling tube bundle 2 is provided in cooling chamber, cooling tube bundle 2 uses metal coil arrangement, and both ends reach spike
The outside of cooler 1, input and output for drainage water.In the present invention, cooling tube bundle 2 can be used using single channel form
In the circulation of drainage water, the circulation of drainage water can also be used for using multi-channel parallel mode.Above-mentioned multi-channel parallel refers to
Cooling tube bundle 2 is provided with more, the independent conveying drainage water of each cooling tube bundle 2.The drainage water is coal mine drainage water.
Spike cooler 1 can also have certain non-condensing steam when cooling down to steam exhaust, in order to by this
To guarantee that steam exhaust smoothly imports, the present invention is additionally provided on spike cooler 1 for not a little non-condensing steam export cooling chambers
Vacuum lead 15 derived from steam exhaust is condensed, vacuum lead 15 is connected to cooling chamber.Vacuum lead 15 can be and host
The pipeline of vacuum lead connection.
2, drainage water conservancy component
Drainage water conservancy component is then the collection and temporary and output and reflux equipment, above-mentioned receipts for realizing drainage water
The drainage water that collection is generated with temporary, in particular to mining area scene can be introduced into the present invention by pipe-line system as cooling water
It carries out using output is specifically referred to drainage water as cooling water with reflux and carried out in drainage water conservancy with component with spike cooler 1
Conveying and reflux.
Specifically, drainage water conservancy component includes drainage water inlet pipe road 5 and drainage water delivery pipe road 6, drainage water
Input channel 5 is connect with the input end of cooling tube bundle 2, and drainage water delivery pipe road 6 is connect with the outlet end of cooling tube bundle 2.
To form the reflux of drainage water, the drainage water flowed out by spike cooler need to be cooled down, therefore this system is also wrapped
It includes the drainage water to heat up after cooling tube bundle 2 for convection current and carries out cooling induced cooling tower 11, be set to drainage
Between water delivery pipe road 6 and drainage water inlet pipe road 5.It, can be to the high temperature of circulating reflux by induced cooling tower 11
Drainage water carries out air-cooled, while can also carry out drying operation to drainage water, successively promotes drainage water concentration, is later period drainage
Water process creates good conditions.
In the present invention, the composition of drainage water conservancy component further includes having drainage water to lay in forebay 10, before drainage water is laid in
Pond 10 is introduced for the temporary and new water of drainage water reflux.
Drainage water inlet pipe road 5 connect with drainage water deposit forebay 10, dredges for what is laid in drainage water deposit forebay 10
Solid carbon dioxide export is delivered in cooling tube bundle 2, and drainage water delivery pipe road 6 is connect, with drainage water deposit forebay 10 for flowing through cooling
The drainage water to heat up after tube bank 2 is back in drainage water deposit forebay 10.In the present invention, drainage water delivery pipe road 6 and drainage
It is that indirect form connects that water, which lays in the connection between forebay 10, i.e., drainage water delivery pipe road 6 and drainage water lay in forebay 10 it
Between be also provided with induced cooling tower 11, the drainage water after the heating exported by drainage water delivery pipe road 6 flows through mechanical draft
After cooling tower 11, then it is delivered in drainage water deposit forebay 10.
Based on the evaporation loss of induced cooling tower 11, windage loss and blowdown loss need on-demand moisturizing, therefore, dredge
Solid carbon dioxide further includes having moisturizing pipeline 17 using component, for supplementing drainage to through the drainage water after cooling of induced cooling tower 11
Water, i.e. water supply source are drainage water.In application, the bottom of induced cooling tower 11 is provided with collecting-tank, moisturizing pipeline 17 with
Collecting-tank connection flows through the drainage water to heat up after cooling tube bundle and is sprayed into the space top that the cooling tower is formed, then
It converges into collecting-tank, is mixed in collecting-tank with the drainage water from moisturizing pipeline 17, is i.e. then realization moisturizing is flowing into
Drainage water lays in forebay 10.The first valve is provided in moisturizing pipeline 17.
In the present invention, it is provided with water circulating pump 14 on Yu Shugan water inlet pipe road 5, drainage is realized by water circulating pump 14
The power of water circulation.In order to ensure the output quantity of drainage water, water circulating pump 14 is provided at least one, and works as water circulating pump
14 when being provided with multiple, and whole water circulating pumps 14 is arranged in parallel.
3, drainage water treatment component
Drainage water treatment component is to carry out the core equipment that its zero-emission purpose is realized in processing to drainage water in the present invention.It dredges
Solid carbon dioxide processing component is connected to drainage water delivery pipe road 6 or drainage water inlet pipe road 5 by sewage conduct, is set on sewage conduct
It is equipped with the second valve.
In an embodiment of the invention, drainage water treatment component includes sequentially connected pretreatment filtration equipment
7, ultrafiltration apparatus 8 and reverse osmosis water disposal facility 9, pretreatment filtration equipment 7 are connect with drainage water delivery pipe road 6.
In yet another embodiment of the present invention, drainage water treatment component includes that sequentially connected pretreatment filtration is set
Standby 7, ultrafiltration apparatus 8 and reverse osmosis water disposal facility 9, pretreatment filtration equipment 7 are connect with drainage water inlet pipe road 5.
The present invention enters directly into one is after spike cooler 1 drainage water process tool there are two types of mode of movement
Handled, then discharged (without circulation) in pretreatment filtration equipment 7, another kind be after spike cooler 1,
After passing through induced cooling tower 11 and drainage water deposit forebay 10, reflux (circulation) is realized.
In above two mode of movement, for former mode, pretreatment filtration equipment 7 and drainage water delivery pipe
Road 6 connects, and drainage water can be directly entered pretreatment filtration equipment by drainage water delivery pipe road 6 after spike cooler 1
7, in this mode of movement, in order to provide drainage water sufficient circulation power, the present invention can also be in drainage water delivery pipe road 6
Upper setting dredge pump.For latter approach, pretreatment filtration equipment 7 is connect with drainage water inlet pipe road 5, is recycled in this way
The drainage water of reflux is exported from drainage water deposit forebay 10, and a part can enter processing under the action of water circulating pump 14
It is handled in filter plant 7, the setting of dredge pump can be saved at this time, i.e., into the drainage water of spike cooler and into advance
The drainage water of processing filter plant realizes that can reduce the investment of fund, another part is then realized and followed under the action of same water pump
Circulation is logical.
Further, in a preferred embodiment of the present invention, drainage water treatment component further includes having super-pressure anti-
Permeate water treatment facilities 12；Pretreatment filtration equipment 7, ultrafiltration apparatus 8, reverse osmosis water disposal facility 9 and super-pressure are reverse osmosis
Water treatment facilities 12 is sequentially connected.
Further, in another preferred embodiment of the present invention, drainage water treatment component further include have for pair
Treated, and drainage water is evaporated the evaporator 13 of processing；Pretreatment filtration equipment 7, ultrafiltration apparatus 8, anti-penetration wastewater disposal dress
Set 9 and evaporator 13 be sequentially connected.
Wherein, pretreatment filtration equipment 7 is mechanical filtration equipment.
Drainage water treatment component may be implemented to wait mechanization filtering, membrane filtration and the osmosis filtration of drainage water
Filter operation, after filtering each time, the concentration of drainage water can get a promotion, finally using the evaporated of evaporator 13
Reason, it is final to realize that drainage impurities in water is condensed into blocks, achieve the purpose that zero-emission.
The object of the present invention is to provide a kind of novel power plant's air cooling systems, which can with air cooling system
A set of coal mine drainage water utilization system is constructed, to realize the electrical integrated production model of coal.
For comprehensive utilization of resources, tissue products sale, guarantee the purpose of raw material supply, in some big mineral zone, together
When planning construction power plant, formed the electrical integrated production model of coal.Since a large amount of drainage water of output is understood in mining area, this hair
It is bright that a set of coal mine drainage water utilization system has also been devised, using coal mine drainage water as power plant's coal mine drainage water utilization system
Cooling water, and zero-emission is realized after processing.
By improving the cooling corollary equipment of spike, the drainage water from coal mine can be used as spike cooling water.Drainage water is made
In spike cooling water use process, not only to have achieved the purpose that reduce unit exhaust temperature, but also drainage coolant-temperature gage is improved.In machine
In 11 operational process of power aerating and cooling tower, drainage water realizes cooling and preliminary evaporation and concentration by evaporation, wind, then makees
After cooling water heating, part drainage water is exported, then is filtered, ultrafiltration, the operation such as reverse osmosis, agent-feeding treatment, realize into
The concentration of one step.
The operation of agent-feeding treatment applied by the present invention specifically refers to: addition antisludging agent, it is therefore intended that prevent fouling.Specifically
Ground, this system further include chemicals dosing plant, are connected to drainage water conservancy with component, are used for drainage water conservancy component (such as drainage water
Input channel or drainage water delivery pipe road) in add antisludging agent
In order to guarantee that system stable operation, drainage water are used as in cooling water cycle process, to maintain drainage water concentration, this hair
It is bright to use continuous blowdown mode, a certain amount of drainage water is discharged in proportion, the drainage water of discharge is passed through into mechanical filter (i.e. pre- place
Manage filter plant), ultrafiltration apparatus 8, reverse osmosis water disposal facility 9, super-pressure reverse osmosis water disposal facility 12, enter finally into
Final process is carried out in the evaporator 13 that super-pressure reverse osmosis water disposal facility 12 connects, realizes the zero-emission of drainage water.
After the present invention is implemented, can bring the following benefits: 1, drainage water is used as spike cooling water, and it is cold to solve spike
But 1 problem of water consumption of device, and because in the electrical integrated project of coal mining area be closer with power plant, mating waterline project amount is smaller；
2, using spike cooler 1, in the case where there are sufficient drainage water supply conditions, generating set operation back pressure can be reduced, to reduce
Coal consumption for power generation, it is energy saving, improve unit production efficiency；3, the processing of drainage water does not consume the energy additionally, it will be able to reach and mention
The purpose of high drainage water temperature creates favorable conditions for further drainage water process；4, by the sewage of discharge by mechanical filter,
The processing of ultrafiltration apparatus 8, reverse osmosis water disposal facility 9, super-pressure reverse osmosis water disposal facility 12, evaporator 13, finally obtains
Solid waste realizes wastewater zero discharge；5, the present invention realizes the electrical integrated operational mode of coal, while solving drainage water row
Put processing problem and generating set spike cooling water source problem.
It include for blow-off line derived from steam turbine steam exhaust the present invention also provides a kind of power plant's air cooling system
16, air-cooled condensing plant is connected with blow-off line 16.It is also provided with such as above-mentioned coal mine drainage water utilization system, conduct point
Peak cooling system uses, and coal mine drainage water utilization system includes spike cooler 1, is connected with ingress pipe with spike cooler 1
Road 3, import pipe 3 are connect with blow-off line 16, and spike cooler 1 is arranged in parallel with air-cooled condensing plant.
The present invention provides a kind of coal mine drainage water utilization systems, are based on the coal mine drainage water utilization system, the present invention is also
Provide a kind of power plant's air cooling system.In the present invention, which includes spike cooler 1, drainage
Water conservancy component and drainage water treatment component.Spike cooler 1 can cool down exhaust steam of electric power plant, in the present invention, point
Peak cooler 1 has cooling chamber, in being provided with cooling tube bundle 2 in cooling chamber, the steam exhaust of power plant emission can by cooling chamber with
Cooling tube bundle 2 carries out heat exchange, and circulation has drainage water in cooling tube bundle 2, replaces water or municipal administration in municipal administration by drainage water in this way
Tap water absorbs thermal energy.Drainage water after heat exchange carries out circulation, meanwhile, persistently there is new drainage water to introduce,
And part high temperature drainage water is exported, and is filtered by drainage water treatment component, ultrafiltration, the water process such as reverse osmosis behaviour
Make, realizes the purification of drainage water, reach in line requirement.Coal mine drainage water utilization system provided by the present invention is that one kind can
Using drainage water as the cooling water of spike cooler 1 carry out using, required in this way, both having realized the cooling of spike cooler 1,
Drainage water can be heated again, increase its temperature, to realize the concentration and post-processing of drainage water.The present invention passes through it
Structure design, can be realized a kind of electrical integrated production model of coal, in some big mineral zone, and meanwhile planning construction power plant, shape
The electrical integrated production model of coal-forming, simultaneously, additionally it is possible to introduce drainage water, using coal mine drainage water as power plant's coal mine drainage water
Using system cooling water, and zero-emission is realized after processing, while solving the problems, such as coal mine drainage water emission treatment and generating set
Spike cooling water source problem.In addition, the electrical integrated project of coal constructed by the present invention, mining area are closer with power plant, it is mating defeated
Water pipeline project amount is smaller, can also reduce generating set operation back pressure, so that coal consumption for power generation is reduced, it is energy saving, improve unit
Production efficiency.
A specific embodiment of the invention is as follows:
Enter spike cooling through blow-off line 16 from the 16 extraction section steam discharge of blow-off line of power plant steam turbine generating set
In device 1, vacuum lead 15 is drawn from host vacuum lead 15, is connected on spike cooler 1, steam discharge is through spike cooler 1
Become being saturated condensed water after cooling, condensed water is flow in host steam exhaust device hot well by condensing water conduit 4 by condensate pump.
The quantity of condensate pump can increase with the increase of condensed water water, and connect parallel between more condensate pumps
It connects.
1 cooling water water source of spike cooler comes from coal mine drainage water, and cooling water is from after the output of spike cooler 1 through drainage water
Output channel 6 flows back, and then lays in forebay 10 by entering drainage water after the cooling of induced cooling tower 11, then via following
Ring water pump 14 makes drainage water enter spike cooler 1 by drainage water inlet pipe road 5, forms a cooling cycle.
Wherein, the quantity of water circulating pump 14 can increase, more water circulating pumps 14 with the increase of drainage water quantity of circulating water
Between be connected in parallel.
In view of the evaporation loss of induced cooling tower 11, windage loss and blowdown are lost, need on demand to drainage water
10 moisturizing of forebay is laid in, is laid in drainage water and is connected with moisturizing pipeline in forebay 10, water supply source is also coal mine drainage water.
Drainage water is as in cooling water cycle process, to maintain drainage water concentration no longer to increase, using continuous blowdown mode,
The a small amount of sewage (drainage water, hereinafter referred to as sewage) being discharged in proportion.By the sewage of discharge by sewage conduct by mechanical
Filtering, ultrafiltration apparatus 8, reverse osmosis water disposal facility 9, super-pressure reverse osmosis water disposal facility 12, evaporator 13, ultimately form residual
Slag discharge, realizes wastewater zero discharge.
The present invention can be using drainage water as power plant's coal mine drainage water utilization system cooling water, and realizes zero-emission after processing
It puts.Drainage water but also improves drainage as in spike cooling water use process, not only having achieved the purpose that reduce unit exhaust temperature
Coolant-temperature gage.Drainage water in 11 operational process of induced cooling tower, drainage water by evaporation, wind, dosing process obtain into
The concentration of one step.
The above is only a preferred embodiment of the present invention, is not intended to restrict the invention, and comes for those skilled in the art
It says, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any modification, equivalent
Replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of coal mine drainage water utilization system characterized by comprising
Spike cooler (1), the spike cooler have cooling chamber, are provided with cooling tube bundle (2) in Yu Suoshu cooling chamber, with
The spike cooler is connected with the import pipe (3) for steam exhaust importing and the condensing water conduit for condensed water output
(4), the import pipe and the condensing water conduit are connected to the cooling chamber；
Drainage water conservancy component, the drainage water conservancy component include drainage water inlet pipe road (5) and drainage water delivery pipe
Road (6), drainage water inlet pipe road are connect with the input end of the cooling tube bundle, drainage water delivery pipe road with it is described cold
But the outlet end connection restrained；With
Drainage water treatment component, the drainage water treatment component is for being filtered received drainage water, with the drainage water
Output channel connection.
2. coal mine drainage water utilization system according to claim 1, which is characterized in that
The drainage water conservancy further includes having the drainage water to heat up after the cooling tube bundle for convection current to carry out cooling with component
Induced cooling tower (11)；
The induced cooling tower be set between drainage water delivery pipe road and drainage water inlet pipe road and with institute
State drainage water delivery pipe road and the connection of drainage water inlet pipe road.
3. coal mine drainage water utilization system according to claim 2, which is characterized in that
The drainage water conservancy component further includes having drainage water to lay in forebay (10), drainage water inlet pipe road and the drainage
The forebay connection of water deposit is delivered to the cooling tube bundle for the drainage water to be laid in the drainage water laid in forebay export
In, the induced cooling tower is connect, for that will cool down through the induced cooling tower with drainage water deposit forebay
Drainage water afterwards is back in drainage water deposit forebay.
4. coal mine drainage water utilization system according to claim 1, which is characterized in that
The drainage water treatment component includes sequentially connected pretreatment filtration equipment (7), ultrafiltration apparatus (8), reverse osmosis water
Processing unit (9) and super-pressure reverse osmosis water disposal facility (12).
5. coal mine drainage water utilization system according to claim 4, which is characterized in that
The drainage water treatment component further includes the evaporator (13) having for treated drainage water is evaporated processing；
The pretreatment filtration equipment, the ultrafiltration apparatus, the reverse osmosis water disposal facility, at the super-pressure reverse osmosis water
Reason device and the evaporator are sequentially connected.
6. coal mine drainage water utilization system according to claim 1, which is characterized in that
In being provided with water circulating pump (14) on drainage water inlet pipe road；
The water circulating pump is provided at least one, and when the water circulating pump is provided with multiple, whole recirculated water
Pump is arranged in parallel.
7. coal mine drainage water utilization system according to claim 6, which is characterized in that with the drainage water treatment component with
The connection of drainage water inlet pipe road connect to substitute the drainage water treatment component with drainage water delivery pipe road, described to dredge
Solid carbon dioxide processing component is located at the downstream of the water circulating pump.
8. coal mine drainage water utilization system according to claim 2, which is characterized in that
The drainage water conservancy component further includes oriented through induced cooling tower drainage water supplement drainage water after cooling
Moisturizing pipeline, the moisturizing pipeline connect with the collecting-tank of the induced cooling tower.
9. coal mine drainage water utilization system according to claim 1, which is characterized in that
In being provided on the spike cooler for by vacuum lead derived from non-condensing steam exhaust (15), the vacuum-pumping tube
Road is connected to the cooling chamber.
10. a kind of power plant's air cooling system includes for blow-off line derived from steam turbine steam exhaust (16), with the steam discharge
Pipeline is connected with air-cooled condensing plant, which is characterized in that
It further include having spike cooling system, the spike cooling system is any one of claim 1 to 9 coal mine drainage water conservancy
Use system；
The coal mine drainage water utilization system includes spike cooler, is connected with import pipe with the spike cooler, institute
It states import pipe to connect with the blow-off line, the spike cooler is arranged in parallel with the air-cooled condensing plant.
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| CN201910587277.1A CN110207503A (en) | 2019-06-28 | 2019-06-28 | Coal mine drainage water utilization system and power plant's air cooling system |
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| CN201910587277.1A CN110207503A (en) | 2019-06-28 | 2019-06-28 | Coal mine drainage water utilization system and power plant's air cooling system |
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