CN217900538U - Natural draft and mechanical draft double-effect cooling tower in coordination - Google Patents

Natural draft and mechanical draft double-effect cooling tower in coordination Download PDF

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Publication number
CN217900538U
CN217900538U CN202221098486.3U CN202221098486U CN217900538U CN 217900538 U CN217900538 U CN 217900538U CN 202221098486 U CN202221098486 U CN 202221098486U CN 217900538 U CN217900538 U CN 217900538U
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partition wall
cooling tower
fan
draft
packing
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CN202221098486.3U
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庄小慧
吴江
黄邦耀
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Guoyue Shenzhen Technology Investment Co ltd
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Guoyue Shenzhen Technology Investment Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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Abstract

The utility model discloses a natural draft and mechanical draft economic benefits and social benefits cooling tower in coordination belongs to cooling tower technical field, natural draft and mechanical draft economic benefits and social benefits cooling tower include the cooling tower shell, one side that the cooling tower shell is close to ground is provided with the pond, there is the shaft in the middle of the pond, be provided with the partition wall between cooling tower shell and the shaft, install the support otter board between cooling tower shell and the partition wall, it is close to the cooling tower shell inboard and is provided with upper portion filler to go up the support otter board, be provided with lower part filler between shaft and the partition wall downside, be provided with the fan between shaft and the partition wall upside, all be provided with spray system on upper portion filler and the lower part filler, possess the economic benefits and social benefits cooling tower increase, accelerated ventilation cooling, reduce the energy consumption, cooperate and the effect that work efficiency is high.

Description

Natural draft and mechanical draft double-effect cooling tower in coordination
Technical Field
The utility model relates to a cooling tower technical field specifically relates to a natural draft and mechanical draft economic benefits and social benefits cooling tower in coordination.
Background
Along with the development of economy, the installed capacity of a power station is continuously increased, the cooling water quantity of a condenser is increased, the capacity of a cooling tower for cooling the cooling water of the condenser is increased, and if the cooling tower only depends on the natural ventilation effect, the cooling tower with large capacity can only be built higher and larger in the prior art. When the installed capacity is too large and the occupied area and the height of the cooling tower are limited or when the cooling tower needs to be modified by an old tower to achieve the purpose of large-scale capacity increase, the fastest capacity increase mode is to increase the ventilation quantity of a natural ventilation hyperbolic cooling tower and a fan, but the natural draft effect of the natural ventilation hyperbolic cooling tower and the draft effect of the fan cannot be organically combined in the prior art, the superposition effect cannot be achieved, the effect is poor, and therefore large-scale application is difficult.
In the prior art, no matter a fan is arranged in a tower or outside the tower, a natural ventilation air duct and a mechanical ventilation air duct are not separated but mixed together. As shown in figure 1, all ventilation volume after the arrangement of the fan is completely drawn by the draught fan, the natural ventilation draught is damaged or influenced, the ventilation volume after the fan is added is basically promoted to be small, the ventilation uniformity is influenced, and the cooling effect is deteriorated on the contrary. As shown in fig. 2, some towers employ a plurality of high-power fans, the ventilation rate is really increased, but the ventilation is performed only by the draught of the fans, the effect of natural ventilation is completely destroyed, the investment and operation costs are high, and the practicability is very low.
Therefore, the existing cooling tower has the defect that the natural suction and the fan suction are difficult to be organically combined, and is difficult to popularize and apply.
Therefore, it is desirable to provide a cooling tower with dual synergistic effects of natural draft and mechanical draft, which aims to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a natural draft and mechanical draft double-effect cooling tower in coordination is provided to solve the problem in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a cooling tower with double effects of natural ventilation and mechanical ventilation in cooperation comprises a cooling tower shell, wherein a water pool is arranged on one side, close to the ground, of the cooling tower shell, a vertical shaft is arranged in the middle of the water pool, a partition wall is arranged between the cooling tower shell and the vertical shaft, an upper supporting screen plate is arranged between the cooling tower shell and the partition wall, an upper filler is arranged on the upper supporting screen plate, close to the inner side of the cooling tower shell, a lower filler is arranged between the lower sides of the vertical shaft and the partition wall, a fan is arranged between the upper sides of the vertical shaft and the partition wall, and spraying systems are arranged on the upper filler and the lower filler;
the upper packing and the spraying systems are both annularly arranged on the outer side of the partition wall, and the spraying systems are provided with a plurality of spraying systems which are respectively distributed above the upper packing and the lower packing in the circumferential direction;
the lower filler is arranged below the partition wall or higher than the lowest point of the partition wall;
the internal circumference of partition wall is provided with a plurality of fossil fragments, the binding off is put up on the partition wall, the annular in the partition wall outside is provided with the flange, the partition wall outside is equipped with the delivery port.
As a further scheme of the utility model, the partition wall outside is provided with the water pump, the input of water pump is linked together through aqueduct and delivery port, the output of water pump is linked together through aqueduct and the spraying system who is located the upper portion top of packing.
As a further scheme of the utility model, the fan sets up in the lower part filler top, the fan is provided with one at least, be provided with the fan division board between partition wall and the shaft, the fan division board is arranged between many fans.
As a further proposal of the utility model, the partition wall comprises an umbrella-shaped partition wall, a vertically installed cylindrical partition wall and a partition wall with a section of a ladder shape.
As a further aspect of the present invention, the partition wall includes a single-layer partition wall and a multi-layer partition wall, the multi-layer partition wall includes an umbrella-shaped partition wall, a cylindrical partition wall, and an arbitrary combination of partition walls having a trapezoidal cross section.
To sum up, compared with the prior art, the embodiment of the utility model has the following beneficial effects:
the utility model discloses a set up the partition wall in cooling tower import position department, can divide into two parts region about the cooling tower, can realize separating natural draft wind channel and mechanical draft passageway, reduce cooling tower fan energy consumption, increase air volume realizes natural draft and mechanical draft synergism, and effect superimposed effect possesses the effect that reduces the energy consumption, ventilation cooling with higher speed, economic benefits and social benefits are in coordination and work efficiency is high.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an external fan cross-flow cooling tower.
Fig. 2 is a schematic structural view of an auxiliary draft fan drum type cooling tower.
Fig. 3 is a schematic structural diagram of a cooling tower in an embodiment of the present invention.
Fig. 4 is a schematic view of the flow direction of wind in the embodiment of the present invention.
Fig. 5 is a schematic structural view of an upper packing layer and a spraying system in an embodiment of the present invention.
Fig. 6 is a schematic structural view of a lower packing in an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of an umbrella-shaped partition wall in an embodiment of the utility model.
Fig. 8 is a schematic structural view of a high-level water collecting structure in an embodiment of the present invention.
Fig. 9 is a schematic structural view of the cylindrical partition wall according to the embodiment of the present invention.
Fig. 10 is a schematic structural view of a stepped partition wall according to an embodiment of the present invention.
Fig. 11 is a schematic structural view of a fan arrangement in an embodiment of the present invention.
Fig. 12 is a schematic structural view of a multilayer partition wall according to an embodiment of the present invention.
Fig. 13 is a schematic structural view of a multilayer partition wall having a different structure in the embodiment of the present invention.
Fig. 14 is a schematic structural view of a multi-layer partition three-zone cooling tower according to an embodiment of the present invention.
Reference numerals are as follows: 1-cooling tower outer shell, 2-upper supporting screen plate, 3-upper filler, 4-lower supporting screen plate, 5-lower filler, 6-spraying system, 7-fan, 8-umbrella partition wall, 801-umbrella partition wall keel, 802-water retaining edge, 803-water outlet, 9-water guide pipe, 10-water pump, 11-cylindrical partition wall, 12-stepped partition wall, 13-fan partition wall, 14-multilayer partition wall, 1401-outer umbrella partition wall, 1402-inner umbrella partition wall, 1403-inner cylindrical partition wall, 15-water pool and 16-vertical shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
In an embodiment of the utility model, see fig. 3, fig. 4, fig. 5 and fig. 6, a natural draft and mechanical draft double-effect collaborative cooling tower, including cooling tower shell 1, one side that cooling tower shell 1 is close to ground is provided with pond 15, be connected with shaft 16 between pond 5 and the cooling tower shell 1, be provided with umbrella-type partition wall 8 between cooling tower shell 1 and the shaft 16, install support otter board 2 between cooling tower shell 1 and the umbrella-type partition wall 8, it is provided with upper portion filler 3 to go up support otter board 2 and be close to cooling tower shell 1 inboard, be provided with lower part filler 5 between shaft 16 and the umbrella-type partition wall 8 downside, be provided with fan 7 between shaft 16 and the umbrella-type partition wall 8 upside, all be provided with spray system 6 on upper portion filler 3 and the lower part filler 5.
In this embodiment, the upper packing 3 and the spraying system 6 are both annularly arranged outside the umbrella-shaped partition wall 8, the spraying system 6 is provided with a plurality of packing materials and are respectively circumferentially distributed above the upper packing 3 and the lower packing 5, the upper part of the cooling tower shell 1 cools hot water by means of natural ventilation, the arrangement height of the upper packing 3 is consistent with that of a traditional cooling tower, the design of the conventional cooling tower can be realized, the lower packing 5 and the spraying system 6 in the lower part region of the cooling tower shell 1 are circular and are distributed in the umbrella-shaped partition wall 8 and the region below the fan 7, and the lower packing 5 is ventilated and cooled by the mechanical suction action of the fan 7, wherein the arrangement height of the lower packing 5 is generally reduced as much as possible and can be arranged below the umbrella-shaped partition wall 8 or higher than the lowest point of the umbrella-shaped partition wall 8, so that the energy consumption of the circulating water pump of the lower spraying system 6 is reduced, the area of the lower packing 5 is increased, and the ventilation and cooling effect is enhanced.
In an embodiment of the present invention, referring to fig. 3, fig. 7 and fig. 8, a plurality of keels 801 are circumferentially arranged in the wall body of the umbrella-shaped partition wall 8, the upper end of the umbrella-shaped partition wall 8 is closed, a water blocking edge 802 is annularly arranged outside the umbrella-shaped partition wall 8, and a water outlet 803 is arranged outside the umbrella-shaped partition wall 8.
The water pump 10 is arranged on the outer side of the umbrella-shaped partition wall 8, the input end of the water pump 10 is communicated with the water outlet 803 through the water guide pipe 9, and the output end of the water pump 10 is communicated with the spraying system 6 located above the upper packing 3 through the water guide pipe 9.
In this embodiment, the umbrella-shaped partition wall 8 not only has the functions of partitioning natural ventilation and mechanical ventilation, but also has the functions of water outflow and water diversion of the upper filler 3, the water outflow of the upper filler 3 flows to the umbrella-shaped partition wall 8 and then flows to the surrounding area of the umbrella-shaped partition wall 8, the water flows out of the umbrella-shaped partition wall 8 from the surrounding water outlets 803 under the guidance of the water retaining edge 802 and the water outlets 803 arranged around the umbrella-shaped partition wall 8, and flows into the bottom water pool 15, high-level water collection can be performed on the upper part of the cooling tower shell 1, the water is collected by arranging pipelines around the umbrella-shaped partition wall 8, and the water returns to the upper spraying system 6 after being pressurized by the circulating water pump 10, so that the energy consumption of the upper circulating water pump 10 can be reduced, and the effects of energy conservation and consumption reduction can be achieved.
In an embodiment of the present invention, referring to fig. 3, 7, 9, 10, 12, 13 and 14, the umbrella-shaped partition wall 8 may also be provided as a vertically installed cylindrical partition wall 11 and a stepped partition wall 12 having a trapezoidal cross section.
The partition walls further include a single-layer partition wall and a multi-layer partition wall 14, and the multi-layer partition wall 4 includes two umbrella-shaped partition walls 8 (as shown in fig. 13 (a)) or a combination of the umbrella-shaped partition walls 8 and the cylindrical partition walls 11 (as shown in fig. 13 (b)).
In this embodiment, the cooling tower inlet may be divided into two or more areas by the multi-layer partition 14, the multi-layer partition 14 includes a combination of an outer umbrella-shaped partition 1401 and an inner umbrella-shaped partition 1402, or a combination of the outer umbrella-shaped partition 1401 and an inner cylindrical partition 1403, as long as the natural ventilation and mechanical ventilation areas are divided, so that the double-effect synergy effect may be effectively achieved, when the cooling tower is divided into three areas, the blower 7 is disposed at the innermost layer, and the three areas have different arrangement heights of the water-spraying packing, which also has the effects of double-effect synergy, low blower energy consumption, and large ventilation volume of the cooling tower.
In an embodiment of the present invention, referring to fig. 3, 4 and 11, the fan 7 is disposed above the lower packing 5, the fan 7 is provided with at least one fan, a fan separation plate 13 is disposed between the umbrella-shaped partition wall 8 and the vertical shaft 16, and the fan 7 is circumferentially distributed on the fan separation plate 13.
In the present embodiment, the ventilation cooling efficiency can be accelerated by the plurality of fans 7 provided on the fan partition plate 13.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (5)

1. A cooling tower with double effects of natural ventilation and mechanical ventilation in cooperation comprises a cooling tower shell and is characterized in that a water pool is arranged on one side, close to the ground, of the cooling tower shell, a vertical shaft is arranged in the middle of the water pool, a partition wall is arranged between the cooling tower shell and the vertical shaft, an upper supporting screen plate is arranged between the cooling tower shell and the partition wall, upper packing is arranged on the upper supporting screen plate, close to the inner side of the cooling tower shell, lower packing is arranged between the vertical shaft and the lower side of the partition wall, a fan is arranged between the vertical shaft and the upper side of the partition wall, and spraying systems are arranged on the upper packing and the lower packing;
the upper packing and the spraying systems are both annularly arranged on the outer side of the partition wall, and the plurality of spraying systems are circumferentially distributed above the upper packing and the lower packing respectively;
the lower filler is arranged below the partition wall or higher than the lowest point of the partition wall;
the internal circumference of partition wall is provided with a plurality of fossil fragments, the binding off is closed up in the partition wall upper end, partition wall outside annular is provided with the flange, the partition wall outside is equipped with the delivery port.
2. The cooling tower with the cooperation of natural ventilation and mechanical ventilation as claimed in claim 1, wherein a water pump is disposed outside the partition wall, an input end of the water pump is communicated with a water outlet through a water conduit, and an output end of the water pump is communicated with a spraying system located above the upper packing through a water conduit.
3. The cooling tower with double effects of natural ventilation and mechanical ventilation in synergy of claim 1, wherein the fan is arranged above the lower packing, at least one fan is arranged, a fan partition plate is arranged between the partition wall and the vertical shaft, and the fan partition plate is arranged among a plurality of fans.
4. A natural draft and mechanical draft dual purpose synergistic cooling tower in accordance with claim 1 wherein said partition walls include an umbrella shaped partition wall, a vertically installed cylindrical partition wall and a partition wall having a stepped profile.
5. A dual-purpose natural draft and mechanical draft synergistic cooling tower according to claim 4, wherein said partition walls include a single-layer partition wall and a multi-layer partition wall including any combination of an umbrella-shaped partition wall, a cylindrical partition wall and a partition wall having a trapezoidal section.
CN202221098486.3U 2022-05-09 2022-05-09 Natural draft and mechanical draft double-effect cooling tower in coordination Active CN217900538U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221098486.3U CN217900538U (en) 2022-05-09 2022-05-09 Natural draft and mechanical draft double-effect cooling tower in coordination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221098486.3U CN217900538U (en) 2022-05-09 2022-05-09 Natural draft and mechanical draft double-effect cooling tower in coordination

Publications (1)

Publication Number Publication Date
CN217900538U true CN217900538U (en) 2022-11-25

Family

ID=84109870

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221098486.3U Active CN217900538U (en) 2022-05-09 2022-05-09 Natural draft and mechanical draft double-effect cooling tower in coordination

Country Status (1)

Country Link
CN (1) CN217900538U (en)

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