CN217155050U

CN217155050U - Closed recirculated cooling water station

Info

Publication number: CN217155050U
Application number: CN202220949303.8U
Authority: CN
Inventors: 王震; 曹春雨; 刘方毅; 张博
Original assignee: Siping Ivey Energy & Technology Co ltd
Current assignee: Siping Ivey Energy & Technology Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-09
Anticipated expiration: 2032-04-24

Abstract

The utility model provides a closed circulative cooling water station, including closed cooling tower, the inside heat exchange coil that is provided with of closed cooling tower, for reducing the temperature of heat exchange coil internal circulation water, heat exchange coil top has set gradually sprinkler system and fan bladed disk from bottom to top, sprinkler system includes circulating water pump, water-locator and storage water tank, and water in the circulating water pump extraction closed cooling tower water-collecting disk gets into the water-locator through the storage water tank after, under the impact of water, installs the rotatory impeller rotation in the storage water tank and be connected with the fan bladed disk through coaxial speed increaser, realizes the rotation of fan bladed disk, need not additionally to provide rotary power for the fan bladed disk, and is energy-efficient.

Description

Closed recirculated cooling water station

Technical Field

The utility model relates to a heat exchange equipment technical field, concretely relates to closed recirculated cooling water station.

Background

With the rapid development of national economy, the demand of industrial enterprises for industrial water is increased sharply, particularly in industrial production, a large amount of waste heat is generated and needs to be timely cooled by a heat transfer medium to ensure the normal operation of the production process, natural water is used as the heat transfer medium of industrial waste heat due to excellent heat transfer performance, low cost and rich resources, cooling water is usually recycled for saving water, but the cooling water in an open type circulating cooling water station is directly contacted with the outside air, so that the water quality pollution is easily caused, regular cleaning and water replenishing are needed, and a closed type circulating cooling water station is widely used because the cooling water is not directly contacted with the outside air, so that the problems of water evaporation and salt concentration do not exist.

The closed type circulating cooling water station mainly comprises a water supply and return pipeline, a closed type cooling tower and a cooling unit needing cooling, circulating water enters the closed type cooling tower after the cooling unit is cooled, the closed type cooling tower generally cools the circulating water in the heat exchange coil in a mode of combining air cooling and spraying, and compared with an open type cooling tower, the closed type circulating cooling water station is high in energy consumption and increases the cost of circulating water cooling.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art not enough, provide a closed recirculated cooling water station, the fan bladed disk that water drive that can make full use of among the spraying system is located closed cooling tower top realizes forced air cooling, sprays dual cooling, energy-efficient.

In order to achieve the above object, the utility model provides a following technical scheme: a closed type circulating cooling water station comprises a closed type cooling tower, wherein a heat exchange coil is arranged in the closed type cooling tower, is connected with a cooling unit through a water supply and return pipeline, a water collecting tray is arranged below the heat exchange coil pipe, an air inlet grille is arranged on the side wall of the closed cooling tower between the water collecting tray and the heat exchange coil pipe, a spraying system and a fan blade tray are sequentially arranged above the heat exchange coil pipe from bottom to top, the fan blade disc is arranged at the outlet at the top of the closed cooling tower, a transmission system is arranged between the spraying system and the fan blade disc, the spraying system comprises a circulating water pump, a water distributor and a water storage tank, wherein a water inlet of the circulating water pump is communicated with a water collecting tray, a water outlet of the circulating water pump is connected with a spraying water pipe, a water outlet of the spraying water pipe is positioned in the water storage tank, the water distributor is positioned below the water storage tank and is communicated with the water storage tank, the transmission system comprises a rotary impeller installed in the water storage tank, and the rotary impeller is connected with a fan blade disc through a coaxial speed increaser.

Specifically, rotatory impeller includes the mounting panel that two axle centers are connected and is located the lamina that the mounting panel circumference array distributes between the mounting panel, the extending direction of lamina is skew rotatory impeller radial setting, and spraying system spun water sprays and makes the lamina take place to rotate on the lamina.

Specifically, in order to prevent steam generated by heating spray water from overflowing the closed cooling tower, a water collector is further arranged between the water storage tank and the coaxial speed increaser, and a rotating shaft of the rotating impeller penetrates through the water collector and is connected with the coaxial speed increaser.

Specifically, still be provided with the moisturizing mouth with moisturizing case intercommunication on the lateral wall of water-collecting tray, the height that highly is higher than the moisturizing mouth of moisturizing case, the moisturizing mouth realizes opening and close through the ball-cock assembly.

Specifically, the bottom of the water collecting tray is also provided with a sewage draining outlet.

The closed type circulating cooling water station obtained by the technical scheme has the beneficial effects that:

a transmission system is additionally arranged between the spraying system and the fan blade disc, the impact force of spraying water is fully utilized to provide rotating power for the fan blade disc, the rotating speed of the fan blade disc is improved through a coaxial speed increaser, and the fan blade disc is efficient and energy-saving.

Drawings

Fig. 1 is a schematic structural view of a closed circulation cooling water station in the present application.

In the figure, 1, a heat exchange coil; 2. a fan blade disc; 3. a coaxial speed increaser; 4. rotating the impeller; 5. a water storage tank; 6. a water distributor; 7. a spray header; 8. a spray water pump; 9. an air inlet grille; 10. a float valve; 11. a sewage draining outlet; 12. a water collection tray; 13. a support frame; 14. a water collector.

Detailed Description

In order to make the technical problems to be solved, technical solutions and advantages of the present invention clearer, the present invention will be further described with reference to the accompanying drawings and embodiments.

As shown in figure 1, a closed type circulating cooling water station comprises a closed type cooling tower and a cooling unit which are circularly connected through a water supply and return pipeline, wherein the water supply and return pipeline provides circulating water for the cooling unit, the closed type cooling tower is used for cooling circulating water, a heat exchange coil 1 is arranged in the closed type cooling tower, a water supply end of the water supply and return pipeline is connected with a water outlet of the heat exchange coil 1, a water return end of the water supply and return pipeline is connected with a water inlet of the heat exchange coil 1, the water inlet is positioned above the water outlet, a spraying system and a fan blade disc 2 are sequentially arranged above the heat exchange coil 1 from bottom to top, a transmission system is arranged between the spraying system and the fan blade disc 2 and can convert the movement inertia of the water into the rotation driving force of the fan blade disc 2, fan leaf dish 2 is installed in the top export of closed cooling tower, and heat exchange coil 1's below is provided with water-collecting tray 12, and air-inlet grille 9 has been seted up to the closed cooling tower lateral wall that is located between water-collecting tray 12 and heat exchange coil 1.

The transmission system comprises a rotary impeller 4, a coaxial speed increaser 3 is connected between the rotary impeller 4 and the fan blade disc 2, the coaxial speed increaser 3 is fixedly connected with the inner side wall of the closed cooling tower through a support frame 13, the rotary impeller 4 rotates under the impact of water sprayed by the spraying system, and the power for rotating the fan blade disc 2 is provided after the speed is increased by the coaxial speed changer.

Specifically, rotatory impeller 4 includes the mounting panel that two axle centers are connected and is located the lamina that 4 circumference array distributions of mounting panel between the mounting panel along, the extending direction of lamina is skew rotatory impeller 4 and is radially set up, and spraying system spun water sprays and makes rotatory impeller 4 take place to rotate on the lamina.

The spraying system comprises a circulating water pump positioned outside the closed cooling tower, a water distributor 6 and a water storage tank 5, wherein the water distributor 6 and the water storage tank 5 are positioned inside the closed cooling tower, a rotating impeller 4 is positioned in the water storage tank 5, a rotating shaft of the rotating impeller is connected with a coaxial speed increaser 3 positioned above the water storage tank 5, a water inlet of the circulating water pump is communicated with a water collecting tray 12, a water outlet of the circulating water pump is connected with a spraying water pipe 7, one end of the spraying water pipe 7 extends into the water storage tank 5 and sprays spraying water towards the direction of a blade plate, and the water distributor 6 is positioned below the water storage tank 5 and is communicated with the water storage tank 5.

It should be noted that the water storage tank 5 may be either an open design or a closed design, and in this embodiment, the water storage tank 5 is a closed structure to prevent the spray water from splashing under the stirring of the rotary impeller 4.

The water steppers are the prior art and comprise a main pipe, a branch pipe and a water stepping hole, and a water storage tank 5 is communicated with the main pipe of a water distributor 6 without further description.

In order to prevent steam generated by heating spray water from overflowing the closed cooling tower, a water collector 14 is further arranged between the water storage tank 5 and the coaxial speed increaser 3, and a rotating shaft of the rotating impeller 4 penetrates through the water collector and is connected with the coaxial speed increaser 3.

The side wall of the water collecting tray 12 is also provided with a water replenishing port communicated with the water replenishing tank, the height of the water replenishing tank is higher than that of the water replenishing port, the water replenishing port is opened and closed through a ball float valve 10, when the water surface in the water collecting tray 12 is lower than a certain height, the water replenishing port is opened to replenish water into the water collecting tray 12, and after the water is replenished to the certain height, the water replenishing port is closed.

The bottom of the water collecting tray 12 is also provided with a sewage draining outlet 11, and when the water in the water collecting tray 12 circulates for a period of time, the impurities are accumulated too much and can be drained through the sewage draining outlet 11.

When the circulating water is cooled, the circulating water pump extracts water in the water collecting tray and the water enters the water storage tank through the spray water pipe, the rotary impeller rotates under the impact of the spray water, meanwhile, the spray water enters the water distributor and is uniformly sprayed on the heat exchange coil pipe to absorb the heat of the circulating water in the heat exchange coil pipe, the fan blade disc is driven to rotate after the speed of the coaxial speed increaser is increased, dry air is driven to enter the closed cooling tower from the air inlet grille, and latent heat of evaporation of the spray water is taken away, so that the cooling purpose is achieved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. A closed type circulating cooling water station comprises a closed type cooling tower, wherein a heat exchange coil is arranged in the closed type cooling tower and is connected with a cooling unit through a water supply and return pipeline, a water collecting tray is arranged below the heat exchange coil, an air inlet grating is arranged on the side wall of the closed type cooling tower between the water collecting tray and the heat exchange coil, a spraying system and a fan blade tray are sequentially arranged above the heat exchange coil from bottom to top, the fan blade tray is arranged at the top outlet of the closed type cooling tower, the closed type circulating cooling water station is characterized in that a transmission system is arranged between the spraying system and the fan blade tray, the spraying system comprises a circulating water pump, a water distributor and a water storage tank, the water inlet of the circulating water pump is communicated with the water collecting tray, the water outlet of the circulating water pump is connected with a spraying water pipe, the water outlet of the spraying water pipe is arranged in the water storage tank, the water distributor is arranged below the water storage tank and is communicated with the water storage tank, and the transmission system comprises a rotary impeller arranged in the water storage tank, the rotary impeller is connected with the fan blade disc through a coaxial speed increaser.

2. The closed circulation cooling water station as claimed in claim 1, wherein the rotary impeller comprises two axially connected mounting plates and blades arranged between the mounting plates and distributed along the circumferential array of the mounting plates, and the extension direction of the blades is deviated from the radial direction of the rotary impeller.

3. The closed circulation cooling water station as claimed in claim 1, wherein a water collector is provided between the water storage tank and the coaxial speed increaser, and a rotating shaft of the rotating impeller penetrates the water collector and is connected to the coaxial speed increaser.

4. The closed circulating cooling water station as claimed in claim 1, wherein a water replenishing port communicated with the water replenishing tank is provided on a side wall of the water collecting tray, the height of the water replenishing tank is higher than that of the water replenishing port, and the water replenishing port is opened and closed by a ball float valve.

5. The closed circulation cooling water station as claimed in claim 1, wherein a drain outlet is provided at the bottom of the water collecting tray.