CN215063829U - Cooling tower system of adjustable trickle density - Google Patents
Cooling tower system of adjustable trickle density Download PDFInfo
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- CN215063829U CN215063829U CN202120664884.6U CN202120664884U CN215063829U CN 215063829 U CN215063829 U CN 215063829U CN 202120664884 U CN202120664884 U CN 202120664884U CN 215063829 U CN215063829 U CN 215063829U
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Abstract
The utility model discloses a cooling tower system capable of adjusting water spraying density, which is internally provided with a central shaft in cooling, wherein the side wall of the central shaft is provided with four water outlets with different positions, and each water outlet is provided with an electric control valve to control whether the water outlet is used for water outlet or not so as to distribute water in layers; the cooling tower system adopts layered water distribution and an automatic control valve, and adjusts the flow of circulating water entering a water distribution pipe by adjusting the opening of a gate, thereby changing the water spraying density. The water level of the vertical shaft can be adjusted through the control valve, so that the kinetic energy obtained by the splashing device is adjusted, and the spraying effect is improved.
Description
Technical Field
The utility model belongs to coal-fired unit energy saving and consumption reduction field, concretely relates to cooling tower system of adjustable trickle density.
Background
The cooling tower is used as important equipment of a power plant and is mainly used for cooling circulating water, and the cooling effect directly influences the vacuum of a unit so as to influence the economy of the whole power plant. For a common cooling tower, the adjustment of the water spraying density is mainly realized by the high and low speeds of a circulating water pump or the adjustment of the number of running platforms, and the peripheral water distribution is realized by closing a flashboard in the northern area, but the accurate adjustment cannot be realized. Meanwhile, the filler of the traditional cooling tower is mainly uniformly arranged or arranged in unequal heights, the difference of the temperature and the humidity of the peripheral air inlet in the cooling tower cannot be reflected by uniform arrangement, the unequal heights are arranged to provide enough atomization distance for the spraying device, and the circulating pump lift is improved so as to increase the power consumption of the circulating water pump.
Utility model
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a cooling tower system of adjustable trickle density to solve the not good technical problem of cooling tower operation economic nature among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a cooling tower system capable of adjusting water spraying density comprises a cooling tower, wherein a central vertical shaft is fixedly arranged in the cooling tower, four water outlets are formed in the side wall of the central vertical shaft, and each water outlet is provided with an electric control valve which is respectively a water outlet A1, a water outlet A2, a water outlet C1 and a water outlet C2;
the water outlet A1 and the water outlet C1 are on the same vertical line, the water outlet A1 is below the water outlet C1, the water outlet A2 and the water outlet C2 are on the same vertical line, and the water outlet A2 is below the water outlet C2.
The utility model discloses a further improvement lies in:
preferably, the water outlet A2 and the water outlet A1 are on the same horizontal plane.
Preferably, the water outlet C1 and the water outlet C2 are on the same horizontal plane.
Preferably, the water outlet a1 and the water outlet a2 are mirror images with respect to a central plane, which is a vertical central plane of the cooling tower.
Preferably, the outlet C1 and the outlet C2 are mirror images with respect to a central plane.
Preferably, a water level line B2 is arranged between the water outlet A2 and the water outlet C2, and a water level line B1 is arranged between the water outlet A1 and the water outlet C1.
Preferably, the water level line B1 and the water level line B2 are at the same level.
Preferably, a packing is arranged below the central shaft.
Preferably, the packing comprises an inner zone packing and an outer zone packing, the inner zone packing is arranged in the middle of the cooling tower, and the outer zone packing is arranged around the inner zone packing.
Preferably, the distance between the oblique wave fillers adopted by the outer zone fillers is 26mm, and the distance between the oblique wave fillers adopted by the inner zone fillers is 30 mm.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a cooling tower system capable of adjusting water spraying density, which is internally provided with a central shaft in cooling, wherein the side wall of the central shaft is provided with four water outlets with different positions, and each water outlet is provided with an electric control valve to control whether the water outlet is used for water outlet or not so as to distribute water in layers; the cooling tower system adopts layered water distribution and an automatic control valve, and adjusts the flow of circulating water entering a water distribution pipe by adjusting the opening of a gate, thereby changing the water spraying density. The water level of the vertical shaft can be adjusted through the control valve, so that the kinetic energy obtained by the splashing device is adjusted, and the spraying effect is improved.
Furthermore, the two water outlets at the lower part are arranged on the same horizontal plane, and the two water outlets at the upper part are arranged on the same horizontal plane, so that the spraying water quantity can be better controlled.
Furthermore, the water outlets on the same horizontal plane are symmetrical relative to the central plane of the cooling tower, and the cooling tower with the circular section has uniform water outlet.
Furthermore, a water level line is arranged between the upper water outlet and the lower water outlet to provide another spraying water quantity.
Further, pack and divide into the interior district and pack with outer district, pack and adopt unequal interval arrangement, utilize the characteristics that outer district air inlet temperature and humidity are low, adopt high-efficient booth apart from packing, the normal interval high efficiency of inner district adoption is packed. The cooling effect of the cooling tower is improved, and the water temperature of the cooling water inlet of the condenser is reduced, so that the vacuum of the unit is improved, and the economical efficiency of a power plant is improved. After the partition arrangement, a certain side is left to operate in winter, which is equivalent to increase the water spraying density of the side, so that strong guarantee is generated to effectively prevent freezing. Through keeping apart a certain operation region, can also change the filler when the cooling tower operation, conveniently overhaul. Can effectively adjust cooling tower trickle density through this novel high-efficient cooling tower system to the shaft water level of control cooling tower promotes the spraying effect of splash device. When the packing is arranged, the efficient packing is selected and arranged at unequal intervals, so that the heat exchange capacity of the packing is enhanced, and the cooling capacity of the whole cooling tower is improved.
Drawings
FIG. 1 is a schematic structural view of a cooling tower according to the present invention;
fig. 2 is a schematic diagram of the system structure of the present invention;
fig. 3 is a schematic structural diagram of the packing region of the present invention.
Wherein: 1. rotating the filter screen; 2. a first circulating water pump; 3. a second circulating water pump; 4. a cooling tower; 5. a filler; 6. circulating the upper tower water pipe; 7. a forebay; 8. a central shaft; 9. inner zone packing; 10. an outer zone filler; 11-central plane.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and encompass, for example, both fixed and removable connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the utility model discloses a cooling tower system of adjustable trickle density, this cooling tower system include that cooling tower 4, cooling tower 4's inside is provided with central shaft 8 and packs 5, packs 5 in central shaft 8's below, and central shaft 8 and packs 5 and all with cooling tower 4 coaxial line.
Referring to fig. 2, a rotary filter screen 1 is arranged on a water inlet pipeline of the forebay 7 and used for impurities in the circulating cooling water entering the forebay 7, a water outlet pipeline of the forebay 7 comprises two paths, a circulating water pump is arranged on a water outlet pipeline of each path and is respectively a first circulating water pump 2 and a second circulating water pump 3, the water outlet pipelines of the first circulating water pump 2 and the second circulating water pump 3 are converged and then communicated to a circulating water upper tower water pipe 6, and a water outlet end of the circulating water upper tower water pipe 6 is arranged on a lower end face of a central shaft 8.
Referring to fig. 2, water outlets are arranged in the central shaft 8, each water outlet is controlled by an electric control valve, and the four electric control valves are respectively a water outlet a1, a water outlet a2, a water outlet C1 and a water outlet C2; the water outlet A1 and the water outlet C1 are on the same vertical line, the water outlet A1 is below the water outlet C1, the water outlet A2 and the water outlet C2 are on the same vertical line, the water outlet A2 is below the water outlet C2, the water outlet A2 and the water outlet A1 are on the same horizontal plane, the water outlet C1 and the water outlet C2 are on the same horizontal plane, the water outlet A1 and the water outlet A2 are in mirror symmetry with respect to the central plane 11, the water outlet C1 and the water outlet C2 are in mirror symmetry with respect to the central plane 15, and the center line of the cooling tower 4 is on the central plane 11, so the central plane 15 is also the central plane 11 of the cooling tower 4.
A water level line B2 is arranged between the water outlet A2 and the water outlet C2, a water level line B1 is arranged between the water outlet A1 and the water outlet C1, and the B1 and the B2 are on the same horizontal plane.
The packing 5 comprises an inner zone packing 9 and an outer zone packing 10, the outer zone packing 10 is arranged around the inner zone packing 9, the outer zone packing 10 is arranged between the edge part of the inner zone packing 9 and the side wall of the cooling tower 1, the inner zone packing 9 is arranged at the middle part of the cooling tower 4, more preferably, the inner zone packing 9 is circular, and the inner zone packing 9, the outer zone packing 10 and the cooling tower 4 are coaxial.
The working principle of the utility model
Circulating cooling water is filtered by the rotary filter screen 1 and enters a front pool 7 of the circulating water pump, the circulating water is pressurized by the first circulating water pump 2 and the second circulating water pump 2 in the front pool 7 and then enters a circulating water main pipe, and the circulating water enters a central vertical shaft 8 of the cooling tower 4 through a circulating water upper tower water pipe 6.
In the event that the shaft water level at which the cooling tower operates can exceed the positions of the water outlet C1 and the water outlet C2, if it is found that the damage of the tower core unit occurs in the area controlled by the electrically controlled valve at the water outlet C2 of the central shaft 8 or the electrically controlled valve at the water outlet C1 of the central shaft 8, either one of the electrically controlled valves can be activated to cut off the water flow in this area, thereby implementing the safe replacement of the tower core unit. Referring to fig. 3, pack the filler of different intervals through the interior district filler 9 and the outer district filler 10 to cooling tower 4 simultaneously, outer district adopts the interval to be 26 mm's high-efficient oblique wave filler of booth apart from, and the normal interval high-efficient oblique wave filler of 30mm is adopted to the interior district, strengthens the heat transfer ability of filler, and then improves the cooling capacity of whole cooling tower 4.
When the unit is frozen in winter, when the water level of the running shaft of the cooling tower 4 can exceed the positions of the water outlet C1 and the water outlet C2, the electric control valve at the position of the water outlet C2 of the central shaft 8 and the electric control valve at the position of the water outlet C1 of the central shaft 8 can be closed at this time, the electric control valve at the position of the water outlet A2 of the central shaft 8 and the electric control valve at the position of the water outlet A1 of the central shaft 8 are opened, circulating water is distributed peripherally through an area controlled by the electric control valve at the position of the water outlet A2 and the electric control valve at the position of the water outlet A1, peripheral freezing is prevented, and cold air is prevented from entering an inner surrounding area. If the circulating water quantity is further reduced and the lift of the circulating water pump is reduced, when the water level of the vertical shaft in which the cooling tower 4 operates runs reaches the positions of a water level line B1 and a water level line B2, in order to ensure the anti-freezing effect, the electric control valve at the position of the water outlet C2 and the electric control valve at the position of the water outlet C1 can be closed at this time, only the electric control valve at the position of the water outlet A2 or the electric control valve at the position of the water outlet A1 is opened, circulating water enters the area controlled by the electric control valve at the position of the water outlet A2 or the electric control valve at the position of the water outlet A1 to be distributed in the area around the 1/2, the water spraying density is further improved, and the anti-freezing effect is ensured.
Effect of putting into operation
After the novel efficient cooling tower system capable of adjusting the water spraying density is put into operation, the characteristics of low air inlet temperature and humidity of the outer region can be well utilized, efficient small-distance filler is adopted, the inner region adopts normal-distance efficient filler, the cooling effect of the cooling tower is improved, the water temperature of a condenser cooling water inlet is reduced, the unit vacuum is improved, and the economical efficiency of a power plant is improved. After the partition arrangement, a certain side is left to operate in winter, which is equivalent to increase the water spraying density of the side, so that strong guarantee is generated to effectively prevent freezing. Through keeping apart a certain operation region, can also change the filler when the cooling tower operation, conveniently overhaul.
An object of the utility model is to provide a novel high-efficient cooling tower system of adjustable trickle density effectively adjusts cooling tower trickle density to the shaft water level of control cooling tower promotes spraying effect of splashing device. When the packing is arranged, the efficient packing is selected and arranged at unequal intervals, so that the heat exchange capacity of the packing is enhanced, and the cooling capacity of the whole cooling tower is improved. After the partition arrangement, a certain side is left to operate in winter, which is equivalent to increase the water spraying density of the side, so that strong guarantee is generated to effectively prevent freezing. Through keeping apart a certain operation region, can also change the filler when the cooling tower operation, conveniently overhaul.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The cooling tower system capable of adjusting the water spraying density is characterized by comprising a cooling tower (4), wherein a central vertical shaft (8) is fixedly arranged in the cooling tower (4), the side wall of the central vertical shaft (8) is provided with four water outlets, and each water outlet is provided with an electric control valve which is respectively a water outlet A1, a water outlet A2, a water outlet C1 and a water outlet C2;
the water outlet A1 and the water outlet C1 are on the same vertical line, the water outlet A1 is below the water outlet C1, the water outlet A2 and the water outlet C2 are on the same vertical line, and the water outlet A2 is below the water outlet C2.
2. The cooling tower system capable of adjusting the water spraying density according to claim 1, wherein the water outlet A2 and the water outlet A1 are on the same horizontal plane.
3. The cooling tower system capable of adjusting the density of sprayed water as claimed in claim 1, wherein the water outlet C1 and the water outlet C2 are at the same level.
4. The cooling tower system capable of adjusting the water spraying density as claimed in claim 1, wherein the water outlet A1 and the water outlet A2 are mirror images relative to a central plane (11), and the central plane (11) is a vertical central plane of the cooling tower (4).
5. The cooling tower system capable of adjusting the shower water density as claimed in claim 4, wherein the water outlet C1 and the water outlet C2 are mirror images with respect to the central plane (11).
6. The cooling tower system capable of adjusting the trickle density according to claim 1, wherein a water level line B2 is arranged between the water outlet a2 and the water outlet C2, and a water level line B1 is arranged between the water outlet a1 and the water outlet C1.
7. The cooling tower system capable of adjusting the density of sprayed water as claimed in claim 6, wherein the water level line B1 and the water level line B2 are at the same level.
8. Cooling tower system with adjustable spray density according to any of claims 1-7, characterised in that a packing (5) is arranged below the central shaft (8).
9. The cooling tower system capable of adjusting the water spraying density as claimed in claim 8, wherein the packing (5) comprises an inner zone packing (9) and an outer zone packing (10), the inner zone packing (9) is arranged in the middle of the cooling tower (4), and the outer zone packing (10) is arranged around the inner zone packing (9).
10. The cooling tower system capable of adjusting the water spraying density as claimed in claim 9, wherein the pitch of the packing material with the oblique wave adopted by the outer zone packing (10) is 26mm, and the pitch of the packing material with the oblique wave adopted by the inner zone packing (9) is 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120664884.6U CN215063829U (en) | 2021-03-31 | 2021-03-31 | Cooling tower system of adjustable trickle density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120664884.6U CN215063829U (en) | 2021-03-31 | 2021-03-31 | Cooling tower system of adjustable trickle density |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215063829U true CN215063829U (en) | 2021-12-07 |
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ID=79148691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120664884.6U Active CN215063829U (en) | 2021-03-31 | 2021-03-31 | Cooling tower system of adjustable trickle density |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215063829U (en) |
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2021
- 2021-03-31 CN CN202120664884.6U patent/CN215063829U/en active Active
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