CN204514109U - The indirect dry cooling tower of multilayer cooling sector - Google Patents
The indirect dry cooling tower of multilayer cooling sector Download PDFInfo
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- CN204514109U CN204514109U CN201520156458.6U CN201520156458U CN204514109U CN 204514109 U CN204514109 U CN 204514109U CN 201520156458 U CN201520156458 U CN 201520156458U CN 204514109 U CN204514109 U CN 204514109U
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Abstract
The utility model relates to the indirect dry cooling tower of a kind of multilayer cooling sector, namely the second cooling sector 1 is set up in former cooling sector (the first cooling sector 2) upper parallel connection, form two-layer cooling sector, or the second cooling sector 1 and the 3rd cooling sector 6 are set up in parallel connection on former cooling sector, form three layers of cooling sector, the utility model has the advantages that the resistance that can reduce indirect cool tower tube side cooling water, reduce the power consumption of circulating pump.When winter environment temperature is lower; cooling sector, upper strata (the second cooling sector 1) or cooling sector, intermediate layer (the 3rd cooling sector 6) can be excised; cooling water in these cut cooling sectors emptying; and open the first corresponding shutter 12 or the 3rd shutter 62; introducing cold air enters in tower; reduce the draft of gravity-flow ventilation, to realize protecting the antifreeze object in the bottom sector run (the first cooling sector 2).
Description
Technical field
The utility model relates to a kind of indirect dry cooling tower, is mainly used in the cooling of steam turbine of thermal power plant condenser (main frame) cooling water or subsidiary engine cooling water, also can be used for the cooling of the recirculated cooling water of the industry such as chemical industry and iron and steel.
Background technology
Compared with traditional water cooling tower, the air cooling tower water-saving result making cooling medium with air is remarkable.Air cooling compressor for thermal power plant's main frame or subsidiary engine cooling water temperature is called indirect dry cooling tower, it is major part in electric power plant cooling system, its working method is: after cooling water enters condenser (cooled equipment), heat exchange is carried out in the exhaust steam of discharging with steam turbine, temperature raises and becomes high-temperature cooling water and take away heat in condensation process, then indirect dry cooling tower (cooling device) is entered, cool in tower in triangle (heat transmission equipment) and carry out heat exchange with cold air, by air, heat is discharged from indirect dry cooling tower again, the temperature of cooling water is reduced and becomes low-temperature cooling water, enter the circulation that condenser (cooled equipment) forms cooling water again.
Indirect dry cooling tower is made up of the cooling sector that tower body, main water pipeline, main water return tube road and quantity are some, and each cooling sector comprises cooling triangle, shutter, water inlet pipe and return branch, water inlet endless tube and backwater endless tube, valve etc.Cooling triangle is arranged vertically on tower body bottom usually, if need antifreeze cold season in winter, also can arrange shutter in each cooling triangle air inlet, carry out regulation and control to cold air through the flow of supercooling triangle.The current of indirect dry cooling tower distribute and water temperature controls to carry out to cool in units of sector, each sector configuration a pair cooling water enters return branch and corresponding valve, in running, close and open the valve in water inlet pipe and return branch, can cut off and connect the flowing of cooling water in this sector cooling triangle, realize controlling the object that sector is dropped into and excision runs; Increasing or reduce the aperture of shutter, controlling the cold air flows by cooling triangle, meet the requirement that cooling water return water temperature controls and preventing freeze in winter controls.In design, the quantity of cooling sector is often consistent with the size of tower, and tower larger cooling number of sectors is more.But this sector is arranged, no matter quantity, is all individual layer viewed from short transverse.
In recent years, along with generator 's parameter improves and capacity increase, the appearance and size of indirect dry cooling tower also constantly increased.Tower body diameter and highly increase, cool triangle increasing number while, the height of cooling triangle is also in increase, the height of current cooling triangle reaches dimension limit, this not only makes the manufacturing of equipment and installation difficulty increase, and the resistance of indirect dry cooling tower inner cooling water is increased, the lift of owner's cooling water circulating pump and power consumption are increased, causes the operating cost of electricity power enterprise to rise.
Cold district in the winter time, when environment temperature is lower than zero degree, the antifreezing measures of indirect dry cooling tower cooling water, mainly reduce the aperture of shutter thus are reduced by the air capacity cooling triangle.In practical operation, because the quantity cooling triangle is many, highly high, cooling water temperature inhomogeneities is large, and the water temperature of local is too on the low side, and antifreeze work is encountered difficulties.After particularly generating set capacity increases, the antifreeze harder problem of indirect dry cooling tower is to solve.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that above-mentioned indirect dry cooling tower operating cost is high, preventing freeze in winter is difficult, provides that a kind of operating cost is lower, preventing freeze in winter is easy to indirect dry cooling tower.
The purpose of this utility model is achieved in that the indirect dry cooling tower of a kind of multilayer cooling sector, by the first cooling sector, main water pipeline, main water return tube road, tower body forms, and the first cooling sector comprises the first cooling triangle, first shutter, first water inlet pipe, first return branch, first water inlet endless tube, first backwater endless tube, first inlet valve, first backwater valve, the first cooling triangle is arranged vertically on tower body lower outside, it is characterized in that, on tower body height direction, the second cooling sector is set up in parallel connection, the second cooling fan district is positioned on the first cooling sector and forms two-layer cooling sector, and the second cooling sector comprises the second cooling triangle, second shutter, second water inlet pipe, second return branch, second water inlet endless tube, second backwater endless tube, second inlet valve, second backwater valve, the second cooling water inlet of triangle and water return outlet endless tube of intaking with second is respectively connected with the second backwater endless tube, second water inlet endless tube is connected with main water return tube road with main water pipeline with the second return branch respectively by the second water inlet pipe with the second backwater endless tube, second water inlet pipe and the second return branch arrange the second inlet valve and the second backwater valve respectively in order to control putting into operation and excising of the second cooling sector, or, on tower body height direction, the second cooling sector and the 3rd cooling sector are set up in parallel connection, make the 3rd cooling fan district be positioned on the first cooling sector, second cooling fan district is positioned on the 3rd cooling sector and forms three floor cooling sectors altogether, and the second cooling sector comprises the second cooling triangle, second shutter, second water inlet pipe, second return branch, second water inlet endless tube, second backwater endless tube, second inlet valve, second backwater valve, the 3rd cooling sector comprises the 3rd cooling triangle, 3rd shutter, the 3rd water inlet pipe, 3rd return branch, 3rd water inlet endless tube, 3rd backwater endless tube, 3rd inlet valve, 3rd backwater valve, the second cooling water inlet of triangle and water return outlet and second endless tube of intaking is connected with the second backwater endless tube, second water inlet endless tube is connected with main water return tube road with main water pipeline with the second return branch respectively by the second water inlet pipe with the second backwater endless tube, second water inlet pipe and the second return branch arrange the second inlet valve and the second backwater valve respectively in order to control putting into operation and excising of the second sector, the 3rd cooling water inlet of triangle and water return outlet endless tube of intaking with the 3rd is respectively connected with the 3rd backwater endless tube, 3rd water inlet endless tube is connected with main water return tube road with main water pipeline with the 3rd return branch respectively by the 3rd water inlet pipe with the 3rd backwater endless tube, 3rd water inlet pipe and the 3rd return branch are also arranged respectively the 3rd inlet valve and the 3rd backwater valve in order to control putting into operation and excising of the 3rd cooling sector.
The indirect dry cooling tower of the utility model multilayer cooling sector, the second described cooling triangle comprises the second cooling stud, the second upper header, the second lower collecting box, the second triangle-frame, second lower collecting box arranges water inlet and water return outlet, second cooling stud quantity of every only the second cooling triangle is two, and be arranged to triangle, angle between second cooling stud is acute angle, is arranged in tower body bottom with vertical in form.
The indirect dry cooling tower of the utility model multilayer cooling sector, the 3rd described cooling triangle comprises the 3rd cooling stud, the 3rd upper header, the 3rd lower collecting box, the 3rd triangle-frame, 3rd lower collecting box arranges water inlet and water return outlet, 3rd cooling stud quantity of every only the 3rd cooling triangle is two, and be arranged to triangle, angle between 3rd cooling stud is acute angle, is arranged in tower body bottom with vertical in form.
The indirect dry cooling tower of the utility model multilayer cooling sector, arrange the second shutter that multiple second cooling trigonometric sum is corresponding with it in the second described cooling sector, the second shutter is arranged on the air intake place of the second cooling triangle.
The indirect dry cooling tower of the utility model multilayer cooling sector, arrange the 3rd shutter that multiple 3rd cooling trigonometric sum is corresponding with it in the 3rd described cooling sector, the 3rd shutter is arranged on the air intake place of the 3rd cooling triangle.
The indirect dry cooling tower of the utility model multilayer cooling sector, the second described cooling number of sectors is multiple, is arranged in parallel between the second cooling sector, and operation, the excision of each second cooling sector control to be separate.
The indirect dry cooling tower of the utility model multilayer cooling sector, the 3rd described cooling number of sectors is multiple, is arranged in parallel between the 3rd cooling sector, and operation, the excision of each 3rd cooling sector control to be separate.
The indirect dry cooling tower of the utility model multilayer cooling sector, the water inlet of described second cooling triangle and water return outlet also can be connected respectively by intake endless tube and the second backwater endless tube of the second connecting pipe and second.
Compared with prior art, the utility model has following beneficial effect:
The indirect dry cooling tower of a kind of multilayer cooling of the utility model sector, it can overcome the deficiency that former indirect dry cooling tower operating cost is high, preventing freeze in winter is difficult, reduce the resistance of indirect cool tower tube side cooling water, reduce the power consumption of circulating pump, its operating cost is lower, preventing freeze in winter is easier.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the indirect dry cooling tower embodiment 1 of the utility model multilayer cooling sector.
Fig. 2 is that the indirect dry cooling tower embodiment 1 of the utility model multilayer cooling sector cools the elevational view of triangle.
Fig. 3 is that the indirect dry cooling tower embodiment 1 of the utility model multilayer cooling sector cools the top view of triangle.
Fig. 4 a and Fig. 4 b is the pipeline connection diagram of the indirect dry cooling tower embodiment 1 of the utility model multilayer cooling sector.
Fig. 5 is the flow chart that the indirect dry cooling tower of the utility model multilayer cooling sector is applied in electricity generation system.
Fig. 6 is the schematic diagram of the indirect dry cooling tower embodiment 2 of the utility model multilayer cooling sector.
Fig. 7 is the pipeline connection diagram of the indirect dry cooling tower embodiment 2 of the utility model multilayer cooling sector.
Wherein:
Second cooling No. 1, one, sector cooling sector 1-1, No. two cooling sector 1-2, No. three cooling sector 1-3, No. four cooling sector 1-4, No. five cooling sector 1-5, No. six cooling sector 1-6, the first cooling sector 2, No. seven cooling sector 2-1, No. eight cooling sector 2-2, No. nine cooling sector 2-3, No. ten cooling sector 2-4, ride on Bus No. 11 cooling sector 2-5, ten No. two cooling sector 2-6, main water pipeline 3, main water return tube road 4, tower body 5, the 3rd cooling sector 6, cooling water circulating pump 7, condenser 8, steam turbine 9;
Second cooling triangle 11, second cooling stud 11-1, the second upper header 11-2, second lower collecting box 11-3, the second triangle-frame 11-4, water inlet 11-5, delivery port 11-6, second shutter 12, second return branch 13, second water inlet pipe 14, second water inlet endless tube 15, second backwater endless tube 16, second backwater valve 17, second inlet valve 18; Second tube connector 19;
First cooling triangle 21, first cooling stud 21-1, the first upper header 21-2, first lower collecting box 21-3, the first triangle-frame 21-4, water inlet 21-5, delivery port 21-6, first shutter 22, first return branch 23, first water inlet pipe 24, first water inlet endless tube 25, first backwater endless tube 26, first backwater valve 27, first inlet valve 28;
3rd cooling triangle the 61, three cooling stud 61-1, the 3rd upper header 61-2,3rd lower collecting box 61-3, the 3rd triangle-frame 61-4, water inlet 61-5, delivery port 61-6,3rd shutter the 62, three return branch the 63, three water inlet pipe 64,3rd water inlet endless tube 65,3rd backwater endless tube the 66, three backwater valve the 67, three inlet valve 68.
Detailed description of the invention
embodiment 1:
See Fig. 1, the indirect dry cooling tower of a kind of multilayer cooling of the utility model sector, is made up of two-layer cooling sector (second cooling sector 1 and the first cooling sector 2), main water pipeline 3, main water return tube road 4 and tower body 5.The first cooling sector 2 in figure and the second cooling sector 1 all represent with the rectangle of double dot dash line, principal character of the present utility model adds the second cooling sector 1 on the first cooling sector 2, and the second cooling sector 1 and first cools sector 2 and is arranged in parallel; That is: the first cooling sector 2 is connected with main water return tube road 4 with main water pipeline 3 with the first return branch 23 respectively by the first water inlet pipe 24, similarly, second cooling sector 1 is also connected with main water return tube road 4 with supervisor's inlet channel 3 with the second return branch 13 respectively by the second water inlet pipe 14, and cooling sector, upper strata (second cools sector 1) and bottom cooling sector (the first cooling sector 2) is in parallel is supplied water and main water return tube road 4 backwater by main water pipeline 3.
First cooling sector 2 comprises the first cooling triangle 21, first shutter 22, first water inlet pipe 24, first return branch 23, first water inlet endless tube 25, first backwater endless tube 26 and the first inlet valve 28 be arranged on the first water inlet pipe 24 and the first backwater valve 27 be arranged in the first return branch 23; The the second cooling sector 1 set up comprises the second cooling triangle 11, second shutter 12, second water inlet pipe 14, second return branch 13, second water inlet endless tube 15, second backwater endless tube 16 and the second inlet valve 18 be arranged on the second water inlet pipe 14 and the second backwater valve 17 be arranged in the second return branch 13.
On the basis that the second cooling sector 1 and the first cooling sector 2 are arranged in parallel, second cooling sector 1 is configured with the second inlet valve 18, second backwater valve 17, cool sector to first to be configured with the first inlet valve 28, first backwater valve 27 similar, make cooling sector, upper strata (second cooling sector 1) and bottom cools the putting into operation of sector (first cools sector 2), excise separate, be independent of each other on controlling.The first shutter 22 is configured with at the first cooling triangle 21 air intake place of the first cooling sector 2, the second shutter 12 is also provided at the second cooling triangle 11 air intake place of the second cooling sector 1, first shutter 22 and the second shutter 12 adjustment process separate, this also make to run in the cooling water temperature of the first cooling sector 2 and the second cooling sector 1 regulate separate.
Utilize the arrangement form of the two-layer cooling sector of this upper strata and bottom, invent the method for another kind of indirect dry cooling tower preventing freeze in winter.When winter environment temperature is lower than zero degree, because environment temperature is lower, heat transfer temperature difference increases, heat exchange area can be reduced, upper strata is cooled the second inlet valve 18 of sector (second cooling sector 1) and the second backwater valve 17 is closed, cooling water (cooling water namely in the second cooling triangle 11, in the second water inlet endless tube 15 and the second backwater endless tube 16, in the second water inlet pipe 14 and the second return branch 13) in this sector is drained, opening the second shutter 12 again makes the cold air outside tower body 5 enter in tower, causes the temperature of air in tower to reduce; Because the air draft of gravity-flow ventilation tower is relevant to Inside Air Temperature (or density); along with temperature in tower reduces; the natural draft of tower will decline; this will make will be reduced by the cold air amount of bottom sector (the first cooling sector 2) the first cooling triangle 21, reach the antifreeze object of protection in the bottom cooling sector of putting into operation.
Fig. 2 and Fig. 3 is elevation and the top view of the first cooling triangle 21 and the second cooling triangle 11 respectively, illustrates the assembly relation of each parts.First cooling triangle 21 and the second cooling triangle 11 all use Fig. 2 and Fig. 3 explanation.
See Fig. 2, the first cooling triangle 21 comprises the first cooling stud 21-1, the first upper header 21-2, the first lower collecting box 21-3, the first triangle-frame 21-4; First cooling stud 21-1 bottom meets the first lower collecting box 21-3, top meets the first upper header 21-2, the first lower collecting box 21-3 is provided with water inlet 21-5 and water return outlet 21-6.The composition that second cooling triangle 11 and first cools triangle 21 is the same, comprises the second cooling stud 11-1, the second upper header 11-2, the second lower collecting box 11-3 and the second triangle-frame 11-4; Second cooling stud 11-1 bottom meets the second lower collecting box 11-3, top meets the second upper header 11-2, the second lower collecting box 11-3 is provided with water inlet 11-5 and water return outlet 11-6.
See that Fig. 3 first cools the top view of triangle 21 and the second cooling triangle 11.Can find out, the first cooling triangle 21 and the second cooling triangle 11 have two cooling studs (the first cooling stud 21-1 or the second cooling stud 11-1), and cooling stud is with triangular arrangement, and both angles are acute angle.
Fig. 4 a, Fig. 4 b are the first cooling sector 2(bottom cooling sectors) and the second cooling cooling sector, 1(upper strata, sector) corresponding to the first cooling triangle 21 and the connection layout in the second cooling triangle 11 and main water pipeline 3 and main water return tube road 4 and current schematic diagram.
First be described for Fig. 4 a.The water inlet of the first lower collecting box 21-3 of the first cooling triangle 21 connects the first water inlet endless tube 25, the water return outlet of the first lower collecting box 21-3 connects the first backwater endless tube 26, first water inlet endless tube 25 and is connected with main water return tube road 4 with main water pipeline 3 with the first return branch 23, first backwater valve 27 respectively by the first water inlet pipe 24, first inlet valve 28 with the first backwater endless tube 26.Current enter after the first water inlet endless tube 25 from main water pipeline 3 through the first water inlet pipe 24, distributed by the first water inlet endless tube 25, the first cooling triangle 21-1 is entered by the water inlet of the first lower collecting box 21-3, current direction flows downward to the first upper header 21-2, again through the water return outlet of the first lower collecting box 21-3, enter the first backwater endless tube 26, get back to main water return tube road 4 by the first return branch 23, finally send outside indirect cool tower.To cool sector 1 similar to first, the water inlet of the second lower collecting box 11-3 of the second cooling triangle 11 connects the second water inlet endless tube 15, the water return outlet of the second lower collecting box 11-3 connects the second backwater endless tube 16, second water inlet endless tube 15 is connected with main water return tube road 4 with main water pipeline 3 with the second return branch 13 respectively by the second water inlet pipe 14 with the second backwater endless tube 16, and the second water inlet pipe 14 and the second return branch 13 arrange the second inlet valve 18 and the second backwater valve 17 respectively.Current pass through the second water inlet pipe 14 from main water pipeline 3, be introduced into the second water inlet endless tube 15, second water inlet endless tube 15 has the effect of each second cooling triangle 11 dispensing water flow in this sector, from the second water inlet endless tube 15 first by the water inlet of the second lower collecting box 11-3, enter the second cooling triangle 11 and make after cooling water temperature through heat exchange, enter the second backwater endless tube 16 from the water return outlet of the second lower collecting box 11-3 again, flow into main water return tube road 4 finally by the second return branch 13.
As can be seen from Fig. 4 a, it is parallel relationship that the second cooling sector 1 and first cools sector 2, is all supplied water by main water pipeline 3 and by main water return tube road 4 backwater.
Connected mode shown in Fig. 4 b and the difference of Fig. 4 a are that water inlet and the water return outlet of the second lower collecting box 11-3 is connected with the first backwater endless tube 16 by the second tube connector 19 endless tube 15 of intaking with first respectively, instead of the direct connection represented by picture Fig. 4 a, the cooling water flow path of Fig. 4 b and the identical of Fig. 4 a, other connection is also identical.
Fig. 5 is the flow chart that the utility model example 1 is applied at Steam Turbine in Fire Power Plant cooling water system.Shown in figure, cooling water system comprises the utility model multilayer cooling fan district indirect dry cooling tower, cooling water circulating pump 7, condenser 8, steam turbine 9 and main water pipeline 3 and main water return tube road 4.Here the utility model embodiment 1 represented has the first cooling sector 2(bottom cooling sector) 6, be No. seven cooling sector 2-1, No. eight cooling sector 2-2, No. nine cooling sector 2-3, No. ten cooling sector 2-4, ride on Bus No. 11s cooling sector 2-5 and ten No. two cooling sector 2-6 respectively; Have the second cooling sector, 1(upper strata, cooling sector) 6, be a cooling sector 1-1, No. two cooling sector 1-2, No. three cooling sector 1-3, No. four cooling sector 1-4, No. five coolings sector 1-5 and No. six cooling sector 1-6 respectively; , all for being arranged in parallel, all to be supplied water by main water pipeline 3 and by main water return tube road 4 backwater in all cooling sectors (totally 12).
The composition of each first cooling sector 2 is identical, illustrate for No. seven cooling sector 2-1: this sector is bottom cooling sector, comprise multiple first cooling triangle 21 and first shutter 22 corresponding with it, first water inlet endless tube 25, first backwater endless tube 26, first water inlet pipe 24, first inlet valve 28, first return branch 23, first backwater valve 27 of each.Each cooling triangle 21 and first endless tube 25 of intaking is connected with the first backwater endless tube 26, and the first water inlet endless tube 25 is connected with main water pipeline 3 and main water return tube road 4 with the first return branch 23 respectively through the first water inlet pipe 24 with the first backwater endless tube 26.
Each second cooling cooling sector, 1(upper strata, sector) composition also identical, to cool sector 2 similar to first.Illustrate for a cooling sector 1-1: this sector is positioned on No. seven cooling sector 2-1, comprise multiple second cooling triangle 11 and second shutter 12 corresponding with it, second water inlet endless tube 15, second backwater endless tube 16, second water inlet pipe 14, second inlet valve 18, second return branch 13, second backwater valve 17 of each.Each cooling triangle 11 and second endless tube 15 of intaking is connected with the second backwater endless tube 16, and the second water inlet endless tube 15 is connected with main water pipeline 3 and main water return tube road 4 with the second return branch 13 respectively through the second water inlet pipe 14 with the second backwater endless tube 16.
As can be seen from Figure 5, it is parallel relationship that the second cooling sector 2 and first cools sector 1, and each second to cool between sector 1 be also parallel relationship.
Indirect dry cooling tower is the temperature reducing high-temperature cooling water in the effect of cooling system of thermal power plant, becomes low-temperature cooling water and returns, and the heat in cooling water is discharged outside tower.First, cooling water enters in condenser 8 from main water return tube road 4, and the steam of discharging with steam turbine 9 carries out heat exchange, and while steam condensation is water, cooling water temperature raises, again under the effect of cooling water circulating pump 7, entered in indirect dry cooling tower by main water pipeline 3.Then, the main water pipeline 3 arranged ringwise in tower is to each first cooling sector 2 and each second cooling sector 1 parallel pumping, cooling water enters the first water inlet endless tube 25 and the second water inlet endless tube 15 through the first water inlet pipe 24 and the second water inlet pipe 14 respectively, enter the first cooling triangle 21 and the second cooling triangle 11 again, carry out heat exchange cooling with cool exterior air in the first cooling triangle 2 and the second cooling triangle 1 after, cooling water in first cooling sector 2 enters main water return tube road 4 through the first backwater endless tube 26 and the first return branch 23, cooling water in second cooling sector 1 also enters main water return tube road 4 through the second backwater endless tube 16 and the second return branch 13, finally, cooling water is sent indirect dry cooling tower by main water return tube road 4 and is entered again condenser 8, complete a circulation of cooling water flow path.
When environment temperature is lower than zero degree in the winter time, indirect dry cooling tower needs to take anti-frost protection measure.In this application, the utility model means to prevent freezing is: the second inlet valve 18 and the second flowing water Valve 17 that upper strata are cooled the part or all of sector of sector (No. one to No. six cooling sector) are closed, again with the sector corresponding to valve-off in all (second cools in triangle 11, second intakes in endless tube 15 and the second backwater endless tube 16, in second water inlet pipe 14 and the second return branch 13) cooling water is emptying, open the second shutter 12 of these emptying second cooling triangles 11, introducing the outer cold air of tower enters in tower, the natural draft of indirect cool tower is declined, be reduced by bottom cooling sector (the first cooling sector 2) second cooling triangle 21 cold air flows, reach the antifreeze object of protection bottom sector (the first cooling sector 2).
Embodiment 2:
Seeing Fig. 6, is another embodiment different from embodiment 1.This example is three layers of cooling sector form, namely in the height direction, in the first cooling sector 2(bottom cooling sector) on parallel connection set up the second cooling cooling sector, 1(upper strata, sector) and the 3rd cooling cooling sector, 6(intermediate layer, sector), the 3rd cooling sector 6 is positioned under the second cooling sector 1 and first cools on sector 2.
First cooling sector 2 is identical with embodiment 1 with the composition of the second cooling sector 1.3rd cooling sector comprises the 3rd cooling tube bundle 61, the 3rd shutter 62, the 3rd return branch 63, the 3rd water inlet pipe 64, the 3rd water inlet endless tube 65, the 3rd backwater endless tube 66, the 3rd backwater valve 67 and the 3rd inlet valve 68.Intake with the 3rd respectively endless tube 65, the 3rd backwater endless tube 66 of the 3rd cooling water inlet of triangle 61 of the 3rd cooling sector 6 and water return outlet is connected, and the 3rd intake endless tube 65, the 3rd backwater endless tube 66 is connected with main water return tube road 4 with main water pipeline 3 with the 3rd return branch 63 through the 3rd water inlet pipe 64 respectively.3rd cooling sector 6 and first cools sector 2 and second and cools sector 1 and all to be intake by main water pipeline 3 and by main water return tube road 4 backwater.
The 3rd cooling composition of triangle 61 and the assembly relation of each parts are shown in Fig. 2 and Fig. 3, and also cool triangle 21 and second to cool triangle 11 identical with first.
When environment temperature is low in the winter time, as needs anti-frost protection, close the second inlet valve 18 and the second backwater valve 17, cooling water in emptying second cooling sector 1, open the second corresponding shutter 12, the cold air imported outside tower enters in tower, or, close the 3rd inlet valve 68 and the 3rd backwater valve 67, cooling water in emptying 3rd cooling sector 6, open stopped transport the 3rd cooling cooling sector, 6(intermediate layer, sector) the 3rd shutter 62, import cold air from the 3rd cooling sector 6 to enter, both can reduce indirect cool tower gravity-flow ventilation draft, realize the anti-frost protection to bottom and cooling sector, intermediate layer.
Fig. 7 is the first cooling sector 2(bottom cooling sector), the second cooling cooling sector, 1(upper strata, sector) and the 3rd cooling cooling sector, 6(intermediate layer, sector) corresponding to the first cooling triangle 21, second cool connection layout and the current schematic diagram in triangle 11 and the 3rd cooling triangle 61 and main water pipeline 3 and main water return tube road 4.
First cooling triangle 21 is identical with embodiment 1 with water (flow) direction with the connection in main water return tube road 4 with main water pipeline 3 with the second cooling triangle 11.
Cool triangle 21 and second to first to cool triangle 11 similar, the water inlet of the 3rd cooling triangle 61 the 3rd lower collecting box 61-3 connects the 3rd water inlet endless tube 65, the water return outlet of the 3rd lower collecting box 61-3 connects the 3rd backwater endless tube the 66, three water inlet endless tube 65 and is connected with main water return tube road 4 with main water pipeline 3 with the 3rd return branch 63, the 3rd backwater valve 67 respectively through the 3rd water inlet pipe 64, the 3rd inlet valve 68 with the 3rd backwater endless tube 66.Current enter after the 3rd water inlet endless tube 65 from main water pipeline 3 through the 3rd water inlet pipe 64 parallel connection, distribute through the 3rd water inlet endless tube 65, the 3rd cooling triangle 61-1 is entered by the water inlet of the 3rd lower collecting box 61-3, current direction flows downward to the 3rd upper header 61-2, again through the water return outlet of the 3rd lower collecting box 61-3, enter the 3rd backwater endless tube 66, flow into main water return tube road 4 by the 3rd return branch 63, finally send outside indirect cool tower.
Claims (8)
1. an indirect dry cooling tower for multilayer cooling sector, by the first cooling sector (2), main water pipeline (3), main water return tube road (4), tower body (5) forms, and the first cooling sector (2) comprises the first cooling triangle (21), first shutter (22), first water inlet pipe (24), first return branch (23), first water inlet endless tube (25), first backwater endless tube (26), first inlet valve (28), first backwater valve (27), first cooling triangle (21) is arranged vertically on tower body (5) lower outside, it is characterized in that: on tower body height direction, the second cooling sector (1) is set up in parallel connection, second cooling sector (1) is positioned on the first cooling sector (2) and forms two-layer cooling sector, the second cooling sector (1) comprises the second cooling triangle (11), second shutter (12), second water inlet pipe (14), second return branch (13), second water inlet endless tube (15), second backwater endless tube (16), second inlet valve (18), second backwater valve (17), water inlet and the water return outlet endless tube (15) of intaking with second respectively of the second cooling triangle (11) are connected with the second backwater endless tube (16), second water inlet endless tube (15) is connected with main water return tube road (4) with main water pipeline (3) with the second return branch (13) respectively by the second water inlet pipe (14) with the second backwater endless tube (16), second water inlet pipe (14) and the second return branch (13) arrange the second inlet valve (18) and the second backwater valve (17) respectively in order to control putting into operation and excising of the second cooling sector (2)
Or, on tower body height direction, the second cooling sector (1) and the 3rd cooling sector (6) are set up in parallel connection, the 3rd cooling sector (6) is made to be positioned on the first cooling sector they (2), second cooling sector (1) is positioned on the 3rd cooling sector (6) and forms three layers of cooling sector altogether, second cooling sector (1) comprises the second cooling triangle (11), second shutter (12), second water inlet pipe (14), second return branch (13), second water inlet endless tube (15), second backwater endless tube (16), second inlet valve (18), second backwater valve (17), 3rd cooling sector (6) comprises the 3rd cooling triangle (61), 3rd shutter (62), 3rd water inlet pipe (64), 3rd return branch (63), 3rd water inlet endless tube (65), 3rd backwater endless tube (66), 3rd inlet valve (68), 3rd backwater valve (67), water inlet and the water return outlet endless tube (15) of intaking with second respectively of the second cooling triangle (11) are connected with the second backwater endless tube (16), second water inlet endless tube (15) is connected with main water return tube (4) road with main water pipeline (3) with the second return branch (13) respectively by the second water inlet pipe (14) with the second backwater endless tube (16), second water inlet pipe (14) and the second return branch (13) arrange the second inlet valve (18) and the second backwater valve (17) respectively in order to control putting into operation and excising of the second sector (1), water inlet and the water return outlet endless tube (65) of intaking with the 3rd respectively of the 3rd cooling triangle (61) are connected with the 3rd backwater endless tube (66), 3rd water inlet endless tube (65) is connected with main water return tube road (4) with main water pipeline (3) with the 3rd return branch (63) respectively by the 3rd water inlet pipe (64) with the 3rd backwater endless tube (66), 3rd water inlet pipe (64) and the 3rd return branch (63) are arranged respectively the 3rd inlet valve (68) and the 3rd backwater valve (67) in order to control putting into operation and excising of the 3rd cooling sector (6).
2. the indirect dry cooling tower of a kind of multilayer cooling sector according to claim 1, it is characterized in that: the second described cooling triangle (11) comprises the second cooling stud (11-1), second upper header (11-2), second lower collecting box (11-3), second triangle-frame (11-4), second lower collecting box (11-3) arranges water inlet (11-5) and water return outlet (11-6), second cooling stud (11-1) quantity of every only the second cooling triangle (11) is two, and be arranged to triangle, angle between second cooling stud (11-1) is acute angle, tower body (5) bottom is arranged in vertical in form.
3. the indirect dry cooling tower of a kind of multilayer cooling sector according to claim 1, it is characterized in that: the 3rd described cooling triangle (61) comprises the 3rd cooling stud (61-1), 3rd upper header (61-2), 3rd lower collecting box (61-3), 3rd triangle-frame (61-4), 3rd lower collecting box (61-3) arranges water inlet (61-5) and water return outlet (61-6), every only the 3rd cooling triangle (61) the 3rd cooling stud (61-1) quantity is two, and be arranged to triangle, angle between 3rd cooling stud (61-1) is acute angle, tower body bottom is arranged in vertical in form.
4. the indirect dry cooling tower of a kind of multilayer cooling sector according to claim 1, it is characterized in that: arrange multiple second cooling triangle (11) and second shutter (12) corresponding with it in the second described cooling sector (1), the second shutter (12) is arranged on the air intake place of the second cooling triangle (11).
5. the indirect dry cooling tower of a kind of multilayer cooling sector according to claim 1, it is characterized in that: arrange multiple 3rd cooling triangle (61) and three shutter (62) corresponding with it in the 3rd described cooling sector (6), the 3rd shutter (62) is arranged on the air intake place of the 3rd cooling triangle (61).
6. the indirect dry cooling tower of a kind of multilayer cooling sector according to claim 1, it is characterized in that: the second described cooling sector (1) quantity is multiple, be arranged in parallel between multiple second cooling sector (1), operation, the excision of each second cooling sector control to be independently mutually.
7. the indirect dry cooling tower of a kind of multilayer cooling sector according to claim 1, it is characterized in that: the 3rd described cooling sector (6) quantity is multiple, be arranged in parallel between multiple 3rd cooling sector (6), operation, the excision of each 3rd cooling sector (6) control to be separate.
8. the indirect dry cooling tower of a kind of multilayer cooling sector according to claim 1, is characterized in that: the water inlet of the second cooling triangle (11) and water return outlet are connected with the second backwater endless tube (16) by the second tube connector (19) endless tube (15) of intaking with second respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520156458.6U CN204514109U (en) | 2015-03-19 | 2015-03-19 | The indirect dry cooling tower of multilayer cooling sector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520156458.6U CN204514109U (en) | 2015-03-19 | 2015-03-19 | The indirect dry cooling tower of multilayer cooling sector |
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| Publication Number | Publication Date |
|---|---|
| CN204514109U true CN204514109U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520156458.6U Withdrawn - After Issue CN204514109U (en) | 2015-03-19 | 2015-03-19 | The indirect dry cooling tower of multilayer cooling sector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132026A (en) * | 2019-05-16 | 2019-08-16 | 济南蓝辰能源技术有限公司 | A kind of gravity-flow ventilation high position that rushton turbine catchments receipts water cooling tower |
| CN110243203A (en) * | 2019-06-13 | 2019-09-17 | 国家能源投资集团有限责任公司 | Integrated electric factory indirect dry cooling tower |
-
2015
- 2015-03-19 CN CN201520156458.6U patent/CN204514109U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132026A (en) * | 2019-05-16 | 2019-08-16 | 济南蓝辰能源技术有限公司 | A kind of gravity-flow ventilation high position that rushton turbine catchments receipts water cooling tower |
| CN110243203A (en) * | 2019-06-13 | 2019-09-17 | 国家能源投资集团有限责任公司 | Integrated electric factory indirect dry cooling tower |
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