CN203065187U - Dilution tank of converter station outer cooling water system and converter station - Google Patents
Dilution tank of converter station outer cooling water system and converter station Download PDFInfo
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- CN203065187U CN203065187U CN 201320092513 CN201320092513U CN203065187U CN 203065187 U CN203065187 U CN 203065187U CN 201320092513 CN201320092513 CN 201320092513 CN 201320092513 U CN201320092513 U CN 201320092513U CN 203065187 U CN203065187 U CN 203065187U
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Abstract
The utility model relates to the field of converter station related technology, and in particular relates to a dilution tank of a converter station outer cooling water system and a converter station. The dilution tank comprises a dilution tank body, a spray water inlet pipe, a rainwater inlet pipe, a water outlet pipe, a spray water siphon and a rainwater siphon, wherein the dilution tank body is provided with a cavity for containing liquid; a spray water inlet is connected with a spray water outlet of the converter station outer cooling water system; and a water outlet is connected with a rainwater drainage pipeline of the converter station outer cooling water system. According to the dilution tank of the converter station outer cooling water system and an outer cooling water dilution method, the rainwater in the converter station is sufficiently gathered to dilute the spray water; by utilizing the extremely cheap rainwater for dilution, the treatment cost of the converter station outer cooling spray water system is greatly reduced; and meanwhile, the spray water is sufficiently diluted so as to reduce damage of the surrounding ecological environment caused by the converter station cooling water system.
Description
Technical field
The utility model relates to the current conversion station correlative technology field, particularly relates to diluting tank and the outer water coolant dilution process of current conversion station that current conversion station cools off water system outward.And because mixed water and retaining link are arranged, and water yield water coolant outside valve, played the effect of the outer water coolant of cooling (spray water) naturally.
Background technology
The converter valve water cooling system of high-capacity direct current power transmission engineering current conversion station, external condensation system generally adopts evapourizing type closed water cooling system, outer chilled water system is the open type water-spray system, spray water is continuous heating evaporation in operational process, water quality can constantly worsen, and therefore need carry out water conditioning to spray water.According to statistics, the outer cold water water loss of general ± 500kV current conversion station day maximum reaches 300 cubic metres, and ± 800kV current conversion station day maximum water loss reach 500 cubic metres.
Processing modes such as that the spray water water conditioning mainly comprises is softening, add anti-incrustation corrosion inhibitor, add biocide, blowdown.Because the continuous heating evaporation of spray water, soften in addition and add reagent, so the spray water sewage draining exit discharges is highly enriched hot water, composition mainly comprises Na salt, anti-incrustation corrosion inhibitor and biocide.Because it is very big to concentrate the interior intractability of water station, therefore current conversion station generally all directly is disposed near natural water at present, desalinates by near the natural water the current conversion station.Present current conversion station does not generally all have to build near great rivers, but builds near more inclined to one side villages and small towns, does not have bigger water body all around.The higher highly enriched water of current conversion station temperature discharging meeting in a large number affects to the ecosystem such as farm crop, plant on the way, long-term a large amount of dischargings simultaneously also can to the natural water admitted and near soil quality cause bigger impact and harm.
The utility model content
Based on this, be necessary to handle at the spray water of prior art current conversion station the technical problem of not environmental protection, the diluting tank, current conversion station and the spray water dilution process that provide a kind of current conversion station to cool off water system outward.
A kind of current conversion station cools off the diluting tank of water system outward, comprise: the diluting tank body, and spray water water inlet pipe, the rainwater water inlet pipe, rising pipe, spray water siphon pipe and rainwater siphon pipe, described diluting tank body has the cavity for receiving fluids, and the diluting tank upper part of body is provided with the spray water water-in, rainwater water-in and water outlet, first end of spray water water inlet pipe passes the spray water water-in, second end of spray water water inlet pipe is inserted into the bottom of described cavity by the spray water siphon pipe, first end of rainwater water inlet pipe passes the rainwater water-in, second end of rainwater water inlet pipe is inserted into the bottom of described cavity by the rainwater siphon pipe, first end of rising pipe passes water outlet, second end of rising pipe is inserted into the bottom of described cavity by the water outlet siphon pipe, the spray water water outlet that described spray water water-in is used for cooling off with current conversion station water system outward is connected, and described water outlet is for cooling off the rain-water drainage pipe connection of water system outward with current conversion station.
Further, described diluting tank also comprises the spray water oviduct, spray water oviduct support, the rainwater oviduct, rainwater oviduct support, water outlet oviduct and water outlet oviduct support, second end of described spray water water inlet pipe successively with the spray water siphon pipe, the spray water oviduct is connected with spray water oviduct support, and be fixed on cavity bottom by spray water oviduct support, second end of described rainwater water inlet pipe successively with the rainwater siphon pipe, the rainwater oviduct is connected with rainwater oviduct support, and be fixed on cavity bottom by rainwater oviduct support, second end of described rising pipe successively with the water outlet siphon pipe, the water outlet oviduct is connected with water outlet oviduct support, and is fixed on cavity bottom by water outlet oviduct support.
Further, the top of described cavity also is provided with loam cake, is covered with the ventpipe that several communicate with described cavity on described.
Further, also comprise sanitary sewage water inlet pipe and sanitary sewage siphon pipe, described diluting tank upper part of body also is provided with the sanitary sewage water-in, first end of described sanitary sewage water inlet pipe passes the sanitary sewage water-in, second end of sanitary sewage water inlet pipe is inserted into the bottom of described cavity by the sanitary sewage siphon pipe, and the sanitary sewage water outlet that described sanitary sewage water-in is used for cooling off with current conversion station water system outward is connected.
A kind of current conversion station, comprise current conversion station body and the water cooling system that adopts water-spray system, described water cooling system is lowered the temperature to the current conversion station body, also comprise the diluting tank that is connected with water cooling system, described diluting tank comprises the diluting tank body, and spray water water inlet pipe, the rainwater water inlet pipe, rising pipe, spray water siphon pipe and rainwater siphon pipe, described diluting tank body has the cavity for receiving fluids, and the diluting tank upper part of body is provided with the spray water water-in, rainwater water-in and water outlet, first end of spray water water inlet pipe passes the spray water water-in, second end of spray water water inlet pipe is inserted into the bottom of described cavity by the spray water siphon pipe, first end of rainwater water inlet pipe passes the rainwater water-in, second end of rainwater water inlet pipe is inserted into the bottom of described cavity by the rainwater siphon pipe, first end of rising pipe passes water outlet, second end of rising pipe is inserted into the bottom of described cavity by the water outlet siphon pipe, described spray water water-in is connected with the spray water water outlet of water cooling system, the rain-water drainage pipe connection of described water outlet and current conversion station body.
Further, described diluting tank also comprises the spray water oviduct, spray water oviduct support, the rainwater oviduct, rainwater oviduct support, water outlet oviduct and water outlet oviduct support, second end of described spray water water inlet pipe successively with the spray water siphon pipe, the spray water oviduct is connected with spray water oviduct support, and be fixed on cavity bottom by spray water oviduct support, second end of described rainwater water inlet pipe successively with the rainwater siphon pipe, the rainwater oviduct is connected with rainwater oviduct support, and be fixed on cavity bottom by rainwater oviduct support, second end of described rising pipe successively with the water outlet siphon pipe, the water outlet oviduct is connected with water outlet oviduct support, and is fixed on cavity bottom by water outlet oviduct support.
Further, the top of described cavity also is provided with loam cake, is covered with the ventpipe that several communicate with described cavity on described.
Further, described voltage range ± 800kV current conversion station transmission power is 5000MW, and the capacity of described diluting tank body is 3000～5000 cubic metres.
Further, also comprise sanitary sewage water inlet pipe and sanitary sewage siphon pipe, described diluting tank upper part of body also is provided with the sanitary sewage water-in, first end of described sanitary sewage water inlet pipe passes the sanitary sewage water-in, second end of sanitary sewage water inlet pipe is inserted into the bottom of described cavity by the sanitary sewage siphon pipe, and the sanitary sewage water outlet that described sanitary sewage water-in is used for cooling off with current conversion station water system outward is connected.
Above-mentioned current conversion station cools off diluting tank, current conversion station and the spray water dilution process of water system outward, the rainwater that takes full advantage of in the current conversion station compiles, spray water is diluted, used very cheap rainwater to dilute, greatly reduce the cold dilution cost that removes the spray water of system of current conversion station book, simultaneously, also well spray water is carried out sufficient dilution, thereby reduced the current conversion station cooling water system to the destruction of ecotope on every side.
Description of drawings
Fig. 1 cools off the orthographic plan of the diluting tank of water system outward for current conversion station of the present utility model;
Fig. 2 cools off the diluting tank of water system outward at the sectional view at spray water water inlet pipe place for current conversion station of the present utility model;
Fig. 3 cools off the diluting tank of water system outward at the sectional view at rainwater water inlet pipe place for current conversion station of the present utility model.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
Be illustrated in figure 1 as the orthographic plan that current conversion station of the present utility model cools off the diluting tank of water system outward.Fig. 2 cools off the diluting tank of water system outward at the sectional view at spray water water inlet pipe place for current conversion station of the present utility model.Fig. 3 cools off the diluting tank of water system outward at the sectional view at rainwater water inlet pipe place for current conversion station of the present utility model.
In conjunction with Fig. 1～Fig. 3, a kind of current conversion station of the present utility model cools off the diluting tank of water system outward, comprise: diluting tank body 1, and spray water water inlet pipe 21, rainwater water inlet pipe 31 and rising pipe 41, described diluting tank body has the cavity 7 for receiving fluids, and the diluting tank upper part of body is provided with spray water water-in 2, rainwater water-in 3 and water outlet 4.Described spray water water-in 2 is connected with the spray water water outlet (not shown) that current conversion station cools off the water system (not shown) outward, and described water outlet 3 is connected with the rain-water drainage pipeline (not shown) that current conversion station cools off the water system (not shown) outward.The top of described cavity also is provided with loam cake 5, and described loam cake 5 is provided with two ventpipes 6 that communicate with described cavity.Ventpipe 6 be provided for being communicated with atmosphere, discharge of noxious gases, the personnel of preventing injure.
Described diluting tank also comprises spray water oviduct 22, spray water oviduct support 23, spray water siphon pipe 24, rainwater oviduct 32, rainwater oviduct support 33, rainwater siphon pipe 34, water outlet oviduct 42, water outlet oviduct support 43 and water outlet siphon pipe 44, first end of spray water water inlet pipe 21 passes spray water water-in 2, second end of spray water water inlet pipe 21 successively with spray water siphon pipe 24, spray water oviduct 22 is connected with spray water oviduct support 23, and be fixed on cavity bottom by spray water oviduct support 23, first end of rainwater water inlet pipe 31 passes rainwater water-in 3, second end of rainwater water inlet pipe 31 successively with rainwater siphon pipe 34, rainwater oviduct 32 is connected with rainwater oviduct support 33, and be fixed on cavity bottom by rainwater oviduct support 23, first end of rising pipe 41 passes water outlet 4, second end of rising pipe 41 successively with water outlet siphon pipe 44, water outlet oviduct 42 is connected with water outlet oviduct support 43, and is fixed on cavity bottom by water outlet oviduct support 43.
The spray water water inlet pipe 21 of diluting tank and rainwater water inlet pipe 31 are preferably, adjust absolute altitude at the last inspection chamber of the upstream of diluting tank rainwater pipeline, be reduced to the high higher water inlet pipe of pipe top mark identical with the pipe top mark height of low pipeline, absolute altitude is identical at the bottom of hanging down the pipe of pipeline in the absolute altitude at the rising pipe pipe 41 pipe ends and two water inlet pipes, and spray water water inlet pipe 21, rainwater water inlet pipe 31 and rising pipe 41 all adopt the hydrocone type Inlet and outlet water.The rising pipe 41 pipe ends are diluting tank useful volume part with the lower section, and the diluting tank useful volume should be the spray water water amount of blowdown of admitting in twice pitch time in rainy season.According to service experience, it is 3000～5000 cubes diluting tank (precipitation area frequently can suitably reduce capacity, and the general who has surrendered then should increase capacity in the area of rareness) that ± 800kV current conversion station can arrange capacity.Carry 5000MW power bleed valve in time cooling water inflow to be about 500 cubic metres for voltage range at full capacity for the current conversion station of ± 800kV, 10 days quantity discharged maximum is about 5000 cubic metres.Carry 3000MW power bleed valve in time cooling water inflow to be about 300 cubic metres for voltage range at full capacity for the current conversion station of ± 500kV, 10 days quantity discharged maximum is about 3000 cubic metres.And generally summer, transmission power was big, and winter, transmission power was little.According to statistics, the timed interval between Pearl River Delta and surrounding area spring, twice rainfall in summer generally is no more than 8 days, and the timed interval between autumn, twice rainfall in winter generally is no more than 15 days.So the longest rainfall considered by 20 days at interval, corresponding water reservoir capacity gets final product by the valve cooling-water drain amount design of 10 days (be half of small power operating period rainfall interval, or slightly longer interval than high-power operating period rainfall).
Current conversion station of the present utility model cools off the diluting tank of water system outward among embodiment therein, also comprise sanitary sewage water inlet pipe and sanitary sewage siphon pipe, the top of described diluting tank body 1 also is provided with the sanitary sewage water-in, first end of described sanitary sewage water inlet pipe passes the sanitary sewage water-in, second end of sanitary sewage water inlet pipe is inserted into the bottom of described cavity by the sanitary sewage siphon pipe, and the sanitary sewage water outlet 4 that described sanitary sewage water-in is used for cooling off with current conversion station water system outward is connected.Because problems such as absolute altitudes, the sanitary sewage water inlet pipe generally is difficult to receive native system, but if the convenient native system that inserts of indivedual current conversion station sanitary sewage then can enter sanitary sewage in the diluting tank of native system, Gu Tuzhong does not draw.
Above-mentioned diluting tank is used for the water cooling system of current conversion station, and is connected with water cooling system, and its algorithm is as follows:
Step S101, the fresh water of its design capacity of injection in diluting tank body 1 preferably, should partly be full of fresh water with useful volume before arriving rainy season; To have the water yield of its design capacity all the time from the beginning diluting tank that comes into operation, this point is the key of whole dilution process, and water outlet 4 is arranged on the top of diluting tank body 1, and therefore, the height of setting water outlet 4 has just defined the design capacity of diluting tank.The design capacity part that exceeds diluting tank body 1 in the above-mentioned diluting tank can be discharged naturally from water outlet 4.If water-in does not have newly to surge and enters, then hold and stay in the diluting tank body 1.Deduction evaporates the equal loss, remains with the water yield of its design capacity in the diluting tank body 1 all the time.
Step S102 enters the diluting tank body with the spray water sewer of the water cooling system spray water water inlet pipe 21 by diluting tank body 1;
The spray water sewer enters the bottom of diluting tank by spray water siphon pipe 24, is entered the water outlet of water outlet siphon pipe 44 bottoms after the fresh water dilution in the diluting tank very soon, drains into rain-water drainage pipeline in the station by rising pipe 41.Along with the spray water sewer constantly enters the bottom of diluting tank, the fresh water on diluting tank top constantly drop to bottom dilution spray water sewer and drains into rain-water drainage pipeline in the station.Lead the eve in rainy season, the spray water sewer is by the dilution of the fresh water of same capability, and concentration reduces at least 50%, and half drains into storm sewer in the station by the spray water sewer after diluting, and second half is stored in the diluting tank.
Step S103, the rainwater water inlet pipe 31 by the diluting tank body inserts rainwater to diluting tank body 1;
Interim when rainy season, by pipeline will stand in rainwater cause diluting tank, rainwater enters the bottom of diluting tank by rainwater siphon pipe 34, the spray water sewer of diluting tank bottom is at first diluted by rainwater, and enter the water outlet of water outlet siphon pipe bottom very soon, drain into rain-water drainage pipeline in the station by rising pipe.Along with rainwater constantly enters the bottom of diluting tank, the spray water sewer on diluting tank top constantly drop to the bottom and is diluted by rainwater and drain into rain-water drainage pipeline in the station.When rainfall finished, almost all by further dilution back discharge, what useful volume partly was full of in the diluting tank almost all was rainwater to the spray water sewer of former storage in the diluting tank.After rainy season, the spray water sewer enters diluting tank and is discharged by rainwater dilution back, enters next working cycle.
Spray water, rainwater enter " mixing water " behind the mixed diluting that will extrude equal volume behind the diluting tank, be somebody's turn to do " mixing water " by the water outlet of diluting tank body, drain into the rain-water drainage pipeline of current conversion station body by rising pipe 41, discharge section will not stayed spray water, the rainwater that is used as dilution in the diluting tank and newly enters.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. a current conversion station cools off the diluting tank of water system outward, it is characterized in that, comprise: the diluting tank body, and spray water water inlet pipe, the rainwater water inlet pipe, rising pipe, spray water siphon pipe and rainwater siphon pipe, described diluting tank body has the cavity for receiving fluids, and the diluting tank upper part of body is provided with the spray water water-in, the rainwater water-in, water outlet, first end of spray water water inlet pipe passes the spray water water-in, second end of spray water water inlet pipe is inserted into the bottom of described cavity by the spray water siphon pipe, first end of rainwater water inlet pipe passes the rainwater water-in, second end of rainwater water inlet pipe is inserted into the bottom of described cavity by the rainwater siphon pipe, first end of rising pipe passes water outlet, second end of rising pipe is inserted into the bottom of described cavity by the water outlet siphon pipe, the spray water water outlet that described spray water water-in is used for cooling off with current conversion station water system outward is connected, and described water outlet is for cooling off the rain-water drainage pipe connection of water system outward with current conversion station.
2. current conversion station according to claim 1 cools off the diluting tank of water system outward, it is characterized in that, described diluting tank also comprises the spray water oviduct, spray water oviduct support, the rainwater oviduct, rainwater oviduct support, water outlet oviduct and water outlet oviduct support, second end of described spray water water inlet pipe successively with the spray water siphon pipe, the spray water oviduct is connected with spray water oviduct support, and be fixed on cavity bottom by spray water oviduct support, second end of described rainwater water inlet pipe successively with the rainwater siphon pipe, the rainwater oviduct is connected with rainwater oviduct support, and be fixed on cavity bottom by rainwater oviduct support, second end of described rising pipe successively with the water outlet siphon pipe, the water outlet oviduct is connected with water outlet oviduct support, and is fixed on cavity bottom by water outlet oviduct support.
3. current conversion station according to claim 1 cools off the diluting tank of water system outward, it is characterized in that, the top of described cavity also is provided with loam cake, is covered with the ventpipe that several communicate with described cavity on described.
4. current conversion station according to claim 1 cools off the diluting tank of water system outward, it is characterized in that, also comprise sanitary sewage water inlet pipe and sanitary sewage siphon pipe, described diluting tank upper part of body also is provided with the sanitary sewage water-in, first end of described sanitary sewage water inlet pipe passes the sanitary sewage water-in, second end of sanitary sewage water inlet pipe is inserted into the bottom of described cavity by the sanitary sewage siphon pipe, and the sanitary sewage water outlet that described sanitary sewage water-in is used for cooling off with current conversion station water system outward is connected.
5. current conversion station, comprise current conversion station body and the water cooling system that adopts water-spray system, described water cooling system is lowered the temperature to the current conversion station body, it is characterized in that, also comprise the diluting tank that is connected with water cooling system, described diluting tank comprises the diluting tank body, and spray water water inlet pipe, the rainwater water inlet pipe, rising pipe, spray water siphon pipe and rainwater siphon pipe, described diluting tank body has the cavity for receiving fluids, and the diluting tank upper part of body is provided with the spray water water-in, rainwater water-in and water outlet, first end of spray water water inlet pipe passes the spray water water-in, second end of spray water water inlet pipe is inserted into the bottom of described cavity by the spray water siphon pipe, first end of rainwater water inlet pipe passes the rainwater water-in, second end of rainwater water inlet pipe is inserted into the bottom of described cavity by the rainwater siphon pipe, first end of rising pipe passes water outlet, second end of rising pipe is inserted into the bottom of described cavity by the water outlet siphon pipe, described spray water water-in is connected with the spray water water outlet of water cooling system, the rain-water drainage pipe connection of described water outlet and current conversion station body.
6. current conversion station according to claim 5, it is characterized in that, described diluting tank also comprises the spray water oviduct, spray water oviduct support, the rainwater oviduct, rainwater oviduct support, water outlet oviduct and water outlet oviduct support, second end of described spray water water inlet pipe successively with the spray water siphon pipe, the spray water oviduct is connected with spray water oviduct support, and be fixed on cavity bottom by spray water oviduct support, second end of described rainwater water inlet pipe successively with the rainwater siphon pipe, the rainwater oviduct is connected with rainwater oviduct support, and be fixed on cavity bottom by rainwater oviduct support, second end of described rising pipe successively with the water outlet siphon pipe, the water outlet oviduct is connected with water outlet oviduct support, and is fixed on cavity bottom by water outlet oviduct support.
7. current conversion station according to claim 5 is characterized in that, the top of described cavity also is provided with loam cake, is covered with the ventpipe that several communicate with described cavity on described.
8. current conversion station according to claim 5 is characterized in that, the voltage range ± 800kV of described current conversion station, current conversion station transmission power are 5000MW, and the capacity of described diluting tank body is 3000～5000 cubic metres.
9. current conversion station according to claim 5, it is characterized in that, also comprise sanitary sewage water inlet pipe and sanitary sewage siphon pipe, described diluting tank upper part of body also is provided with the sanitary sewage water-in, first end of described sanitary sewage water inlet pipe passes the sanitary sewage water-in, second end of sanitary sewage water inlet pipe is inserted into the bottom of described cavity by the sanitary sewage siphon pipe, and the sanitary sewage water outlet that described sanitary sewage water-in is used for cooling off with current conversion station water system outward is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320092513 CN203065187U (en) | 2013-02-28 | 2013-02-28 | Dilution tank of converter station outer cooling water system and converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320092513 CN203065187U (en) | 2013-02-28 | 2013-02-28 | Dilution tank of converter station outer cooling water system and converter station |
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| Publication Number | Publication Date |
|---|---|
| CN203065187U true CN203065187U (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320092513 Withdrawn - After Issue CN203065187U (en) | 2013-02-28 | 2013-02-28 | Dilution tank of converter station outer cooling water system and converter station |
Country Status (1)
| Country | Link |
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| CN (1) | CN203065187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130286A (en) * | 2013-02-28 | 2013-06-05 | 中国南方电网有限责任公司超高压输电公司 | Convertor station external cooling water system dilution pool, external cooling water dilution method and convertor station |
-
2013
- 2013-02-28 CN CN 201320092513 patent/CN203065187U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130286A (en) * | 2013-02-28 | 2013-06-05 | 中国南方电网有限责任公司超高压输电公司 | Convertor station external cooling water system dilution pool, external cooling water dilution method and convertor station |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130717 Effective date of abandoning: 20140409 |
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| RGAV | Abandon patent right to avoid regrant |