CN204718480U - A kind of cooling tower water distribution system and cooling tower - Google Patents
A kind of cooling tower water distribution system and cooling tower Download PDFInfo
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- CN204718480U CN204718480U CN201520403994.1U CN201520403994U CN204718480U CN 204718480 U CN204718480 U CN 204718480U CN 201520403994 U CN201520403994 U CN 201520403994U CN 204718480 U CN204718480 U CN 204718480U
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Abstract
The utility model discloses a kind of cooling tower water distribution system and cooling tower, this cooling tower water distribution system comprises at least one feed pipe, and one end of described feed pipe is used for being communicated with the Central Shaft of cooling tower; Described feed pipe is provided with multiple injection apparatus, and the spout elevation of described injection apparatus reduces gradually from inside to outside centered by Central Shaft, and the spout of described injection apparatus is arranged all upward.Cooling tower water distribution system of the present utility model, injection apparatus is tapered in the layout in space, the head pressure that the pressure differential utilizing the discrepancy in elevation to be formed and water flow velocity realize, realizes the heterogeneity of cooling tower water distribution, matches with the non-uniform Distribution of air velocity in cooling tower; Injection apparatus is injection water upwards, effectively can utilize the pressure more than needed of water circulating pump, improves the contact area of recirculated water and cooling-air, makes full use of the cooling capacity of cooling tower, effectively improves the cooling effect of recirculated water.
Description
Technical field
The utility model belongs to cooling tower technical field, is specifically related to a kind of cooling tower water distribution system, also relates to a kind of cooling tower using this cooling tower water distribution system simultaneously.
Background technology
Cooling tower is the important auxiliary device in power plant, because generating plant circulation-water amount is larger, generally adopts cooling stack by the vapour in condenser and the water cooling temperature to needs.Cooling stack is the cooling tower that the cross-ventilation effect formed by tower inner air and outer air density or natural wind is carried out ventilating.For circular counter flow cooling tower, this cooling tower generally makes hyp shape in the vertical direction, circular in the plane, its operation principle is: with certain pressure, recirculated water is delivered to water distribution system through the Central Shaft of centre of cooling column by water pump, by the injection apparatus of water distribution system, water is sprayed at packing layer equably; The air of dry low enthalpy enters in tower by bottom under the effect of blower fan, hot water forms moisture film when flowing through filling surface and air carries out heat exchange, the hot blast of high humility height enthalpy is extracted out from top, in the collecting-tank bottom cooling water instillation cooling tower, flows into main frame through outlet pipe.
The water distribution system of packing type counter flow type natural draft cooling tower mainly contains two kinds: tubular type water distribution system and slot type water distribution system (hydrocone type water distribution system is a kind of improved form of slot type water distribution system), and both differences are mainly to be connected with the Central Shaft of cooling tower, be feed pipe or supply flume to sparge pipe water distribution.Common water distribution system is primarily of water inlet pipe, vertical shaft, tank or sparge pipe, injection apparatus composition; Cooling tower first delivers to water distribution elevation with vertical shaft the hot water from condenser, then by tank or sparge pipe by water distribution on the trickle section of whole tower, then with injection apparatus, water to be spilt to filler.
Domestic large-scale packing type adverse current cooling tower selects slot type water distribution system or tube seat in conjunction with water distribution mode usually.Existing slot type water distribution system pressure of supply water is low, the impurity of cleaning deposition is more convenient, but easily grows algae in groove, complex structure, gas-flow resistance large and when low discharge distribution channel far-end usually there will be anhydrous situation, filler can not be fully utilized; If there is the situations such as shower nozzle blocking, shower nozzle damage, local overflow, easily there is solid stream of water in water distribution system local, not only cooling effect is poor, also can impact filler; After impurities in water enters filler, also easily cause the accumulation of impurity in filler, occur filler blocking, partial collapse phenomenon.Existing tubular type water distribution system even water distribution, water droplet is thin, good cooling results, is easy to ensure installation quality, and not easily grow algae in pipe, the air drag of distributing pipe line to cooling tower is little; But shower nozzle requires that pressure of supply water is comparatively large, meeting blocking pipe during water quality inferiority, cleaning difficulty.
Comprehensive, above-mentioned two kinds of water distribution systems all belong to uniform water distribution scheme, the Shi Ge district uniform water distribution of pursuit, consistent to reach spray density.But, in cooling tower, wind speed radially and non-uniform Distribution, in tower, wind speed and air quantity are inconsistent everywhere, therefore when identical spray density, gas-water ratio everywhere has larger difference, the region cooling capacity that air velocity is high does not make full use of, the region cooling capacity that air velocity is low is not enough, the problem that there is Local Heat Transfer weak effect, cooling effect is uneven, circulating water temperature decline is on the low side, instructions for use can not be met, especially, when winter, outdoor temperature was lower, easily there is the phenomenon of localized ice build in cooling tower.In prior art, CN201828186U discloses a kind of water distribution system of hyperbolic natural-draft cooling tower, and cooling column body, built with the ring sparger concentric with cooling tower, ring sparger is provided with water distribution nozzle, each ring sparger connects feed pipe, and feed pipe is connected with distribution well; Each ring sparger can be supplied water to sparge pipe from distribution well by independent feed pipe, or the close multiple ring spargers of wind speed are supplied water by single feed pipe, form an assembly water ring; Water distribution quantity is determined by the wind speed of each ring and nozzle quantity, and water distribution quantity can be controlled to the water path tube of ring sparger and number of tubes by distribution well.Although this water distribution system can adjust the proportioning of air and recirculated water to a certain extent, but sparge pipe and injection apparatus adjust all the time in the horizontal plane of same elevation, the adjusting range of change to spray density of caliber is limited, spray density and the unmatched problem of wind speed field in cooling tower can not be solved, also there is Local Heat Transfer poor effect, the problem that cooling effect is uneven.
Summary of the invention
The purpose of this utility model is to provide a kind of cooling tower water distribution system, solves the existing spray density provided because of cooling tower water distribution system and does not mate with wind speed field in cooling tower, the Local Heat Transfer poor effect of existence, the problem that cooling effect is uneven.
Second object of the present utility model is to provide a kind of cooling tower using above-mentioned cooling tower water distribution system.
In order to realize above object, the technical scheme that the utility model adopts is:
A kind of cooling tower water distribution system, comprises at least one feed pipe, and one end of described feed pipe is used for being communicated with the Central Shaft of cooling tower; Described feed pipe is provided with multiple injection apparatus, and the spout elevation of described injection apparatus reduces gradually from inside to outside centered by Central Shaft, and the spout of described injection apparatus is arranged all upward.
Described feed pipe is arranged at intervals with at least two centered by the Central Shaft of cooling tower ring-type arrange and the Water distribution circular pipe be communicated with feed pipe, described injection apparatus is arranged on described Water distribution circular pipe.
Described feed pipe is along downward-sloping to the direction of the other end from the one end for being communicated with the Central Shaft of cooling tower, and the elevation being disposed on the Water distribution circular pipe on described feed pipe reduces from inside to outside gradually.
Described injection apparatus comprises the atomizer be directly installed on Water distribution circular pipe or the atomizer be connected to by isometric arm on Water distribution circular pipe.
Be connected with at least one sedimentation pipe for deslagging bottom outermost Water distribution circular pipe, described sedimentation pipe and Water distribution circular pipe junction are provided with valve.
Described sedimentation pipe is used for being connected with the collecting-tank of cooling tower away from one end of Water distribution circular pipe, is provided with the filter screen for filter residue in described sedimentation pipe; Described sedimentation pipe offers the breast hole for removing filter residue on filter screen in the upstream of described filter screen.
Described Water distribution circular pipe is all arranged in same level; Described injection apparatus comprise be connected on Water distribution circular pipe and vertically to downward-extension arm and be arranged on the atomizer of described arm end; The length of described arm increases gradually from inside to outside centered by the center of Water distribution circular pipe.
A kind of cooling tower, comprise tower cylinder, be provided with packing layer and the Central Shaft being positioned at tower cylinder inside center in described tower cylinder, in tower cylinder, the top of packing layer is provided with above-mentioned cooling tower water distribution system, and the top of the inherent described cooling tower water distribution system of tower cylinder is also provided with dehydrater; In described cooling tower water distribution system, one end of feed pipe is communicated with described Central Shaft, and the other end extends to tower cylinder inwall.
Cooling tower water distribution system of the present utility model, injection apparatus is tapered in the layout in space, the head pressure of the flow velocity realization of the pressure differential utilizing the discrepancy in elevation to be formed and water, realize from cooling tower Central Shaft more away from the larger pressure distribution mode of expulsion pressure, the pressure distribution of water distribution system is made to present the characteristic of non-uniform Distribution, thus realize the heterogeneity of cooling tower water distribution, match with the non-uniform Distribution of air velocity in cooling tower, make full use of the cooling capacity of cooling tower, effectively can improve the cooling effect of recirculated water.Because peripheral injection apparatus elevation is low, water distribution quantity more overabsorption in periphery, make use of elevation pressure reduction, water flow velocity realize head pressure reduction, reduce the requirement to water circulating pump pressure, compare with slot type water distribution mode, same water distribution quantity, the changed power of water circulating pump is not obvious; When same heat taken away by cooling tower, reduce the requirement of system to quantity of circulating water.
The spout of injection apparatus is arranged upward, upwards jet atomization recirculated water, effectively can utilize the pressure more than needed of water circulating pump, fully be atomized recirculated water, improves the contact area of recirculated water and cooling-air; Utilize recirculated water upward stroke when upwards spraying, recirculated water by descending stroke during gravity fall, improve the time of contact of recirculated water and cooling-air, improve the heat transfer effect of recirculated water and cooling-air; Upwards atomizing spray, due to the jetting effect of shower nozzle, shower nozzle ambient air pressure reduces, and can be formed and effectively take out negative pressure ability, improves cooling tower draught capacity.By shower nozzle atomization, rise and fall stroke, the recirculated water air that is cooled fully is broken up, and improves the effect that recirculated water distributes, make recirculated water enter packing layer current political situation part join can evenly, improve the cooling effect of packing layer; Because recirculated water obtains good atomization by water distribution system, fine liquid particles uniform distribution enters packing layer, can effectively reduce the impact of current to filler, keeps the good condition of packing layer, improves cooling effect, reduces maintenance workload.
Because shower nozzle is sprayed water upward, in Water distribution circular pipe, the flow velocity of recirculated water is not very high, and impurity is usually located at sparge pipe inner bottom part, and water pipe is operation with pressure again, and the fine impurities of carrying in water can not cause shower nozzle to block; Because recirculated water totally flows towards peripheral water pipe, under the effect of current, impurity more easily comes together in the outermost Water distribution circular pipe (inner ring Water distribution circular pipe is not easy to collect impurity) of water distribution system; By arranging sedimentation pipe on outermost Water distribution circular pipe, regularly open the valve on sedimentation pipe, the impurity collected in water distribution system is gone out by water, recirculated water can get back to the collecting-tank of cooling tower along sedimentation pipe, impurity is tackled by the filter screen in sedimentation pipe, regularly remove from breast hole, thus realize regular removal of contamination, solve the problem that tubular type water distribution system blocking rear impurity removes difficulty; From recirculated water, remove impurity, decrease the accumulation of impurity at packing layer, the risk of reduce packing layer blocking, caving in; Need the legacy equipment of artificial removal of contamination compared to slot type water distribution system, cooling tower water distribution system of the present utility model can realize impurity and automatically remove, and dust removal rate is high, and maintenance workload is few.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cooling tower water distribution system of embodiment 1;
Fig. 2 is the side view cutaway drawing of cooling tower water distribution system in Fig. 1;
Fig. 3 is the structural representation of the cooling tower of embodiment 3;
Fig. 4 is the top view of cooling tower water distribution system in Fig. 3;
Fig. 5 is the structural representation of the cooling tower water distribution system of embodiment 4;
Fig. 6 is the top view of Fig. 5;
Fig. 7 is the structural representation of single injection apparatus in Fig. 5.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the utility model is further described.
Embodiment 1
The cooling tower water distribution system of the present embodiment, as shown in Figure 1, 2, comprise four feed pipes 2, one end of every root feed pipe 2 is all for being communicated with the Central Shaft 1 of cooling tower, the other end extends towards the direction away from described Central Shaft 1, and four feed pipes 2 are " ten " font in the projection of horizontal plane; Described feed pipe 2 is arranged at intervals with four centered by the Central Shaft 1 of cooling tower ring-type arrange and the Water distribution circular pipe 3 be communicated with feed pipe 2, every root Water distribution circular pipe 3 is equipped with multiple injection apparatus, described injection apparatus comprises the low pressure atomizing shower nozzle 4 be directly installed on described Water distribution circular pipe 3, and the spout of described low pressure atomizing shower nozzle 4 is directed upwardly setting;
In the vertical direction (as shown in Figure 2), every root feed pipe 2 is downward-sloping to the direction of the other end along the one end be communicated with described Central Shaft 1, the elevation being disposed on the Water distribution circular pipe 3 on described feed pipe 2 reduces from inside to outside gradually, thus the spout elevation of described low pressure atomizing shower nozzle 4 is reduced gradually from inside to outside centered by the center of Water distribution circular pipe 3.
The cooling tower water distribution system of the present embodiment, conically, feed pipe is the highest near one end elevation of cooling tower Central Shaft, and outwards progressively reduce elevation, Water distribution circular pipe is connected to feed pipe, and the elevation of same Water distribution circular pipe is identical for the layout of distributing pipe line in space; The head pressure of the flow velocity realization of the pressure differential utilizing the discrepancy in elevation to be formed and water, realize from cooling tower Central Shaft more away from, the pressure distribution mode that pressure in Water distribution circular pipe is larger, the pressure distribution of Water distribution circular pipe is made to present the characteristic of non-uniform Distribution, thus realize the heterogeneity of cooling tower water distribution, match with the non-uniform Distribution of air velocity in cooling tower, make full use of the cooling capacity of cooling tower, effectively can improve the cooling effect of recirculated water.Because peripheral sparge pipe elevation is low, water distribution quantity more overabsorption in periphery, make use of elevation pressure reduction, water flow velocity realize head pressure reduction, reduce the requirement to water circulating pump pressure, compare with slot type water distribution mode, same water distribution quantity, the changed power of water circulating pump is not obvious; When same heat taken away by cooling tower, reduce the requirement of system to quantity of circulating water.
Atomizer selects the low pressure atomizing shower nozzle of low-pressure, when water circulating pump output pressure is less, also can realize good atomizing effect.Tubular type water distribution mode adopts low pressure atomizing shower nozzle to spray water upward, effectively can utilize the pressure more than needed of water circulating pump, fully be atomized recirculated water, improves the contact area of recirculated water and cooling-air; Utilize recirculated water upward stroke when upwards spraying, recirculated water by descending stroke during gravity fall, improve the time of contact of recirculated water and cooling-air, improve heat transfer effect.Shower nozzle is atomizing spray upwards, and due to the jetting effect of shower nozzle, shower nozzle ambient air pressure reduces, and can be formed and effectively take out negative pressure ability, improves cooling tower draught capacity; Described low pressure atomizing shower nozzle is eddy flow low pressure atomizing shower nozzle, takes out vacuum effect better.By shower nozzle atomization, rise and fall stroke, the recirculated water air that is cooled fully is broken up, and improves the effect that recirculated water distributes, make recirculated water enter packing layer current political situation part join can evenly, improve the cooling effect of packing layer; Because recirculated water obtains good atomization by water distribution system, fine liquid particles uniform distribution enters packing layer, can effectively reduce the impact of current to filler, keeps the good condition of packing layer, improves cooling effect, reduces maintenance workload.
Embodiment 2
The cooling tower water distribution system of the present embodiment, difference from Example 1 is, as shown in Figure 3, outermost Water distribution circular pipe 3-1 (Water distribution circular pipe that namely elevation is minimum) bottom is connected with a sedimentation pipe 10 for deslagging, and described sedimentation pipe 10 is provided with valve 11 with outermost Water distribution circular pipe 3-1 junction; Described sedimentation pipe 10 is used for being connected with the collecting-tank of cooling tower away from one end of outermost Water distribution circular pipe 3-1, being provided with the filter screen 12 for filter residue in described sedimentation pipe 10, sedimentation pipe 10 offering the breast hole 13 for removing filter residue on filter screen in the upstream of described filter screen 12.
The cooling tower water distribution system of the present embodiment, because shower nozzle is sprayed water upward, in Water distribution circular pipe, the flow velocity of recirculated water is not very high, and impurity is usually located at sparge pipe inner bottom part, and water pipe is operation with pressure again, and the fine impurities of carrying in water can not cause shower nozzle to block; Because recirculated water flows towards peripheral water pipe generally, under the effect of current, impurity more easily comes together in the outermost Water distribution circular pipe (inner ring Water distribution circular pipe is not easy to collect impurity) of water distribution system; Outermost Water distribution circular pipe arranges sedimentation pipe, regularly open the valve on sedimentation pipe, the impurity collected in water distribution system is gone out by water, recirculated water can get back to the collecting-tank of cooling tower along sedimentation pipe, impurity is tackled by the filter screen in sedimentation pipe, regularly remove from breast hole, thus realize regular removal of contamination, solve the problem that tubular type water distribution system blocking rear impurity removes difficulty; From recirculated water, remove impurity, decrease the accumulation of impurity at packing layer, the risk of reduce packing layer blocking, caving in; Need the legacy equipment of artificial removal of contamination compared to slot type water distribution system, the cooling tower water distribution system of the present embodiment can realize impurity and automatically remove, and dust removal rate is high, and maintenance workload is few.
Embodiment 3
The cooling tower of the present embodiment, as shown in Figure 3,4, comprises tower cylinder 5, is provided with packing layer 7 and the Central Shaft 1 being positioned at tower cylinder inside center, is provided with collecting-tank 8 bottom cooling tower in described tower cylinder 5; In tower cylinder, the top of packing layer 7 arranges the cooling tower water distribution system described in embodiment 2, and the below of packing layer 7 is trickle district 9; The top of the inherent described cooling tower water distribution system of tower cylinder 5 is also provided with dehydrater 6; In described cooling tower water distribution system, one end of feed pipe 2 is communicated with described Central Shaft 1, and the other end extends to the inwall of tower cylinder 5; Arrow in Fig. 3 above Water distribution circular pipe 3 is the injection direction (spout is arranged upward) of Fig. 4 mesolow atomizer; The sedimentation pipe 10 be connected with outermost Water distribution circular pipe 3-1 extends downward collecting-tank along tower cylinder 5 inwall, and the breast hole 13 that the filter screen 12 in sedimentation pipe 10 and sedimentation pipe 10 are offered is positioned at the top of collecting-tank 8.
Owing to adopting the mode being atomized water distribution upward, the height that in cooling tower, the setting height(from bottom) of dehydrater can should reach higher than injection apparatus atomizing spray, ensure that water effect received by dehydrater.
When the cooling tower of the present embodiment uses, utilize water circulating pump that recirculated water is delivered to water distribution system through the Central Shaft of cooling tower, recirculated water is dispensed to Water distribution circular pipe by the feed pipe be communicated with Central Shaft, upwards sprayed by the low pressure atomizing shower nozzle be arranged on Water distribution circular pipe, the water droplet of atomization falls to entering packing layer, forms moisture film, after carrying out heat exchange with the air flowed in cooling tower from bottom to top at filling surface, in collecting-tank bottom cooling water instillation cooling tower, discharge through outlet pipe.
Because the elevation of Water distribution circular pipe reduces from inside to outside gradually, outermost Water distribution circular pipe is positioned at the highest region of cooling tower wind speed, its elevation is close to the upper surface (compared with traditional slot type water distribution system, not needing water spray depth displacement larger between shower nozzle and packing layer) of packing layer, the pressure differential that the discrepancy in elevation entering water place owing to often enclosing Water distribution circular pipe and feed pipe is formed, and the head pressure that the flow velocity of water is formed, realize from Central Shaft more away from Water distribution circular pipe in pressure larger, thus realize the non-uniform Distribution of sparge pipe pressure, cooling tower water distribution is made to have heterogeneity (in bimodal distribution in cooling tower water distribution stressor layer radial direction), match with the non-uniform Distribution (cooling-air is general in bimodal distribution in the air velocity radial direction of water distribution layer) of air velocity in cooling tower, make full use of the cooling capacity of cooling tower, improve the heat transfer effect of recirculated water and cooling-air, and then improve the ability that cooling tower reduces circulating water temperature, meanwhile, local can be prevented in cooling tower to occur supercooling in cold season and cause the phenomenon of freezing.
Water distribution circular pipe from inside to outside elevation is lower, and the lift needing water circulating pump to overcome is less; Depth displacement between peripheral Water distribution circular pipe and packing layer is less; Water distribution circular pipe from inside to outside, distributed water flow is larger, the water distribution quantity of Water distribution circular pipe is larger, and water distribution area is larger, amid all these factors, compared with traditional slot type water distribution system, same cooling tower water distribution quantity, although the pipeline pressure of the water distribution system of the present embodiment rises, the overall lift of recirculated water reduces, and the changed power of the water circulating pump of needs is not obvious.
The cooling tower of the present embodiment, compared with the packing type cooling stack of routine, has the characteristic of packing type cooling tower and no-arbitrary pricing type cooling tower concurrently, has the function of no-arbitrary pricing type cooling tower above water distribution layer, and the below of water distribution layer has the function of packing type cooling tower; Improve packing type adverse current cooling stack to the cooling capacity of recirculated water, energy-saving and cost-reducing.
Embodiment 4
The cooling tower water distribution system of the present embodiment, as shown in Figure 5,6, difference from Example 1 is: the feed pipe 2 be connected with Central Shaft 1 and the Water distribution circular pipe 3 be connected with feed pipe 2 are all arranged in same level; As shown in Figure 7, described injection apparatus comprises and to be connected on Water distribution circular pipe 3 and vertically to the arm 14 of downward-extension, the end of described arm 14 is provided with the tube connector 15 of length direction and one end vertical with the length direction of described arm 14 towards Central Shaft 1, the low pressure atomizing shower nozzle 4 that spout is arranged upward is arranged on the two ends of described tube connector 15, thus make the low pressure atomizing shower nozzle 4 at tube connector 15 two ends be distributed in the inside and outside both sides (as innermost circle Water distribution circular pipe in Fig. 5, all the other do not draw) of corresponding Water distribution circular pipe 3; The length of tube that same Water distribution circular pipe connects is identical, the length of the arm that different Water distribution circular pipe connects increases gradually from inside to outside centered by Central Shaft, thus the spout elevation of described low pressure atomizing shower nozzle 4 is reduced gradually from inside to outside centered by the center of Water distribution circular pipe 3.
The cooling tower decreasing water distribution method of the present embodiment, adopts above-mentioned cooling tower water distribution system, utilizes the injection apparatus upwards atomizing spray that the pressure more than needed of water circulating pump makes in the water distribution system of cooling tower; The spout elevation of the injection apparatus in the water distribution system of wherein cooling tower reduces gradually from inside to outside centered by the Central Shaft of cooling tower.Described upwards atomizing spray utilizes atomizer upwards atomizing spray.
The cooling tower water distribution system of the present embodiment, can improve on the basis of conventional tubular water distribution system, the low pressure atomizing shower nozzle only need changed the arm of different length, adopt spout to arrange upward, the technique effect that cooling tower water dispensing apparatus described in same embodiment 1 is same can be realized: utilize water circulating pump to have more than needed pressure, upwards atomizing spray, be conducive to the contact area improving water and air, improve the time of contact of water and air, improve cooling tower draught capacity after shower nozzle jetting, in raising packing layer, water is uniformly distributed; By the conical space structure of injection apparatus, non-homogeneous water distribution can be realized, solve cooling tower air flow field skewness, with the unmatched problem of uniform water distribution, improve the heat transfer effect of cooling tower.
In other embodiments of the present utility model, injection apparatus can also be arranged on feed pipe by other means, as many feed pipes radially distribute centered by the Central Shaft of cooling tower, injection apparatus is directly installed on feed pipe, or many feed pipes radially distribute centered by the Central Shaft of cooling tower, every root feed pipe is arranged at intervals with the many water distribution straight tubes be communicated with this feed pipe, the length of the water distribution straight tube be communicated with same feed pipe increases gradually from inside to outside centered by Central Shaft, injection apparatus is arranged on water distribution straight tube, cover whole trickle face, as long as the spout elevation that can realize injection apparatus reduces gradually from inside to outside centered by Central Shaft, and the technical scheme that the spout of described injection apparatus is arranged all is upward all feasible.
In other embodiments of the present utility model, can also by the caliber of the interval between the adjacent Water distribution circular pipe of adjustment, Water distribution circular pipe and the nozzle diameter being arranged on the injection apparatus on different Water distribution circular pipe (generally, the nozzle diameter being arranged on the injection apparatus on same Water distribution circular pipe is identical) etc., the heterogeneity of further adjustment cooling water water distribution, thus better mate with the non-uniform Distribution of air velocity in cooling tower.
In other embodiments of the present utility model, the quantity of feed pipe, Water distribution circular pipe, injection apparatus can adjust according to actual needs; Sedimentation pipe also can be many, uniform on outermost Water distribution circular pipe; Impurity as deposited in water distribution system is more, also sedimentation pipe can be directly connected to Circulating water effluent pipeline, no longer reclaim flushing recirculated water.
Claims (8)
1. a cooling tower water distribution system, comprises at least one feed pipe, and one end of described feed pipe is used for being communicated with the Central Shaft of cooling tower; Described feed pipe is provided with multiple injection apparatus, it is characterized in that: the spout elevation of described injection apparatus reduces gradually from inside to outside centered by Central Shaft, and the spout of described injection apparatus is arranged all upward.
2. cooling tower water distribution system according to claim 1, it is characterized in that: described feed pipe is arranged at intervals with at least two centered by the Central Shaft of cooling tower ring-type arrange and the Water distribution circular pipe be communicated with feed pipe, described injection apparatus is arranged on described Water distribution circular pipe.
3. cooling tower water distribution system according to claim 2, it is characterized in that: described feed pipe is along downward-sloping to the direction of the other end from the one end for being communicated with the Central Shaft of cooling tower, and the elevation being disposed on the Water distribution circular pipe on described feed pipe reduces from inside to outside gradually.
4. cooling tower water distribution system according to claim 3, is characterized in that: described injection apparatus comprises the atomizer be directly installed on Water distribution circular pipe or the atomizer be connected to by isometric arm on Water distribution circular pipe.
5. cooling tower water distribution system according to claim 3, is characterized in that: be connected with at least one sedimentation pipe for deslagging bottom outermost Water distribution circular pipe, and described sedimentation pipe and Water distribution circular pipe junction are provided with valve.
6. cooling tower water distribution system according to claim 5, is characterized in that: described sedimentation pipe is used for being connected with the collecting-tank of cooling tower away from one end of Water distribution circular pipe, is provided with the filter screen for filter residue in described sedimentation pipe; Described sedimentation pipe offers the breast hole for removing filter residue on filter screen in the upstream of described filter screen.
7. cooling tower water distribution system according to claim 2, is characterized in that: described Water distribution circular pipe is all arranged in same level; Described injection apparatus comprise be connected on Water distribution circular pipe and vertically to downward-extension arm and be arranged on the atomizer of described arm end; The length of described arm increases gradually from inside to outside centered by the center of Water distribution circular pipe.
8. a cooling tower, comprise tower cylinder, packing layer and the Central Shaft being positioned at tower cylinder inside center is provided with in described tower cylinder, it is characterized in that: in tower cylinder, the top of packing layer is provided with the cooling tower water distribution system according to any one of claim 1-7, the top of the inherent described cooling tower water distribution system of tower cylinder is also provided with dehydrater; In described cooling tower water distribution system, one end of feed pipe is communicated with described Central Shaft, and the other end extends to tower cylinder inwall.
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| CN104880118A (en) * | 2015-06-11 | 2015-09-02 | 苏跃进 | Water distribution system for cooling tower, cooling tower and water distribution method for cooling tower |
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| CN104880118A (en) * | 2015-06-11 | 2015-09-02 | 苏跃进 | Water distribution system for cooling tower, cooling tower and water distribution method for cooling tower |
| CN106090975A (en) * | 2016-07-15 | 2016-11-09 | 大唐(北京)能源管理有限公司 | A kind of spray-absorption formula flue gas waste heat recovery system |
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| CN107101523A (en) * | 2017-04-19 | 2017-08-29 | 华电电力科学研究院 | Non-homogeneous subregion water distribution system and the wet cooling tower for installing the system |
| CN107101523B (en) * | 2017-04-19 | 2023-02-17 | 华电电力科学研究院有限公司 | Non-uniform partitioned water distribution system and wet cooling tower provided with same |
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| US11065590B2 (en) | 2017-10-26 | 2021-07-20 | Hitachi Zosen Corporation | Gas generation device and gas generation method |
| CN109883255A (en) * | 2019-04-19 | 2019-06-14 | 高德（无锡）电子有限公司 | Water distribution uniformity device when more set air conditioner cooling tower parallel runnings |
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