CN212806623U

CN212806623U - Energy-saving cooling tower

Info

Publication number: CN212806623U
Application number: CN202021799996.4U
Authority: CN
Inventors: 汪成浩; 汪发增
Original assignee: Guizhou Zhongnengtou Technology Co ltd
Current assignee: Guizhou Zhongnengtou Technology Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-03-26
Anticipated expiration: 2030-08-25

Abstract

The utility model relates to a cooling tower field, concretely relates to energy-conserving cooling tower, including the tower main part, tower main part upper end is equipped with the fan, tower main part upper portion inner chamber is equipped with the shower nozzle, and the shower nozzle below is equipped with the filler, and the filler top is equipped with circulation effluent device, and tower main part bottom is equipped with the ponding groove, and temperature sensor and water pump in the tower in the ponding groove, the delivery port and the circulation effluent device intercommunication of water pump, the tower main part is equipped with outer temperature sensor of tower and controller outward, and the controller is used for controlling opening of fan and water pump according to outer temperature sensor of tower and the temperature sensor's in the tower temperature. According to the scheme, when the temperature difference between the environment temperature outside the tower and the cooling water is large, the operation of the fan is stopped, and the cooling water is cooled circularly by utilizing the environment low temperature, so that the energy-saving purpose is achieved.

Description

Energy-saving cooling tower

Technical Field

The utility model relates to a cooling tower field, concretely relates to energy-conserving cooling tower.

Background

The cooling tower makes the contact of utilizing water and air, come to carry out a equipment that cools off the cooling to industrial cooling water through the endothermic effect of evaporation, specifically spray industrial cooling water in the filler of cooling tower through the mode that sprays, the cooling water carries out heat exchange in the filler with the air and takes away the purpose that plays the cooling to the cooling water with the heat in the cooling water, the heat that the cooling water gived off is pumped by the cooling tower fan and is arranged to the atmosphere in the cooling tower, the power of cooling tower fan is often very big, the fan is in the running state when dispelling the heat to the cooling water convulsions all the time, the energy of consumption is more.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy-conserving cooling tower to reach the purpose that reduces cooling tower energy consumption. In order to achieve the above purpose, the utility model provides a scheme as follows:

an energy-saving cooling tower comprises a tower main body, wherein an air guide pipe is arranged at the upper end of the tower main body, a fan is arranged in the air guide pipe, an air inlet is formed in the side wall of the lower portion of the tower main body, a water inlet pipe is arranged in an inner cavity of the upper portion of the tower main body, a spray head is arranged on the water inlet pipe, a filler is arranged below the spray head, a circulating water outlet device is arranged above the filler, a water accumulating tank is arranged at the bottom of the tower main body, a temperature sensor inside the tower and used for detecting the temperature of cooling water inside the tower is arranged in the water accumulating tank, a water pump is arranged in the water accumulating tank, a water inlet of the water pump is communicated with the water accumulating tank, a water outlet of the water pump is communicated with the circulating water outlet device, a temperature sensor outside the tower and a controller are arranged outside the tower main body, the temperature sensor outside the tower, the temperature, the side wall of the lower part of the tower main body is provided with a drain pipe.

The utility model discloses basic scheme's principle and beneficial effect lie in:

the high-temperature cooling water to be cooled is sprayed onto the filler in the cooling tower by the water inlet pipe, the high-temperature cooling water is subjected to heat exchange with air in the filler and then falls into the water accumulating tank, the hot air after the heat exchange rises and is discharged out of the cooling tower by the air guide pipe, cold air outside the cooling tower enters the cooling tower from the air inlet and is subjected to heat exchange with the high-temperature cooling water, the temperature detected by the temperature sensor outside the tower and the temperature sensor in the tower are transmitted to the controller, when the controller analyzes that the difference value between the temperature outside the tower and the temperature in the tower is greater than a certain set value, the controller controls the fan to stop and starts the water pump to pump the cooling water in the water accumulating tank to the circulating water outlet device, and then the cooling water is sprayed onto the filler by the circulating water outlet device to perform circulating heat dissipation and cooling, and the high-temperature cooling water sprayed by the spray head is naturally cooled with ambient air, and the, the purpose of saving energy is achieved by stopping the operation of the fan;

when the controller analyzes that the temperature difference detected by the temperature sensor outside the tower and the temperature sensor inside the tower is small, the natural cooling effect is not obvious, the controller starts the fan to forcibly dissipate heat, and simultaneously the water pump stops running.

Further, the lower part of the tower main body is cylindrical, and the upper part of the tower main body is conical.

The conical tower top is more favorable for accelerating the rising of hot gas and enhancing the temperature loss of cooling water.

Further, the circulation water installation includes inboard open-ended annular bezel, annular bezel and tower main part fixed connection set up the annular slide of longitudinal symmetry in the opening of annular bezel, set up the annular shrouding in the annular slide, the annular shrouding with the sealed sliding connection of annular slide, it will to be equipped with the outlet pipe on the annular shrouding the interior outer space intercommunication of annular bezel, the play water direction of outlet pipe with the diameter direction that the annular shrouding located through the outlet pipe becomes certain angle on the horizontal plane, be equipped with the pterygoid lamina on the lateral wall that the annular shrouding is close to tower main part center, the delivery port of water pump pass through the pipeline with the inner chamber intercommunication of annular bezel.

The cooling water that the water pump started in with the ponding groove passes through the tubing pump to annular tank frame inner chamber in, carry out natural cooling once more by the outlet pipe blowout again, make the cooling water repeated and the outer cold air of tower main part carry out the heat exchange and make the cooling water fully dispel the heat the cooling through circulative cooling, when the cooling water rushes out in by the outlet pipe, because the play water direction of outlet pipe becomes certain angle with the diameter direction of annular shrouding through this outlet pipe department, it is rotatory that the outlet pipe drives annular shrouding under the recoil effect of cooling water, pterygoid lamina on the annular shrouding follows the synchronous revolution of annular shrouding and upwards promotes the air in with the tower main part and makes tower main part inner chamber form updraft, the cooling rate.

Furthermore, a filter screen is arranged in the air inlet. External impurities can be prevented from entering the tower main body.

Drawings

Fig. 1 is a schematic structural diagram of the energy-saving cooling tower of the present invention.

Fig. 2 is a schematic structural view in a top view of a ring-shaped groove frame.

Fig. 3 is an enlarged view of a portion a in fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the tower comprises a tower body 10, a filler 101, a water pump 102, a pipeline 103, an air inlet 104, a filter screen 105, a fan 20, a water inlet pipe 30, a spray head 301, a drain pipe 40, a tower inner temperature sensor 401, an annular groove frame 50, an annular slide way 501, an annular closing plate 502, a water outlet pipe 503 and a wing plate 504.

As shown in fig. 1 and 2, an energy-saving cooling tower comprises a tower main body 10, wherein the lower part of the tower main body 10 is cylindrical, the upper part of the tower main body 10 is conical, an air guide pipe is arranged at the upper end of the tower main body 10, a fan 20 is arranged in the air guide pipe, an air inlet 104 is arranged on the side wall of the lower part of the tower main body 10, a filter screen 105 is arranged in the air inlet 104, a water inlet pipe 30 is arranged in an inner cavity of the upper part of the tower main body 10, a spray head 301 is;

the bottom of the tower body 10 is provided with a water accumulation groove, the water accumulation groove is internally provided with a temperature sensor 401 in the tower for detecting the temperature of cooling water in the tower, the water pump 102 is arranged in the water accumulation groove, a water inlet of the water pump 102 is communicated with the water accumulation groove, a water outlet of the water pump 102 is communicated with a circulating water outlet device, the tower body 10 is externally provided with a temperature sensor and a controller outside the tower, the temperature sensor 401 in the tower, the water pump 102 and the fan 20 are electrically connected with the controller, the controller is used for controlling the start and stop of the fan 20 and the water pump 102 according to the temperature difference between the temperature sensor outside the tower and the temperature sensor 401 in the tower, and.

As shown in fig. 1, a circulating water outlet device is arranged above the packing 101, the circulating water outlet device comprises an annular groove frame 50 with an opening at the inner side, and the annular groove frame 50 is fixedly connected with the tower main body 10. As shown in fig. 3, an annular slide track 501 is disposed in an opening of the annular bezel frame 50, an annular sealing plate 502 is disposed in the annular slide track 501, the annular sealing plate 502 is connected with the annular slide track 501 in a sealing and sliding manner, a water outlet pipe 503 is disposed on the annular sealing plate 502 to communicate the inner space and the outer space of the annular bezel frame 50, a water outlet direction of the water outlet pipe 503 forms a certain angle with a diameter direction of the annular sealing plate 502 passing through the water outlet pipe 503 on a horizontal plane, a wing plate 504 is disposed on a side wall of the annular sealing plate 502 close to the center of the tower body 10, the wing plate 504 is disposed in an inclined manner.

The utility model relates to an energy-conserving cooling tower's working process and principle are:

high-temperature cooling water to be cooled is sprayed onto the filler 101 in the cooling tower through the spray head 301 by the water inlet pipe 30, the high-temperature cooling water is subjected to heat exchange with air in the filler 101 and then falls into the water collecting tank, hot air after heat exchange rises and is discharged out of the cooling tower through the air guide pipe, cold air outside the cooling tower enters the cooling tower through the air inlet 104 and is subjected to heat exchange with the high-temperature cooling water, and the filter screen 105 plays a role in preventing external foreign matters from entering the cooling tower;

the temperature sensor outside the tower and the temperature sensor inside the tower 401 transmit the detected temperature outside the tower to the controller, when the controller analyzes that the difference value between the temperature outside the tower and the temperature inside the tower is larger than a certain set value, the controller controls the fan 20 to stop and starts the water pump 102 to pump the cooling water in the water collecting tank into the inner cavity of the annular tank frame 50 through the pipeline 103, the cooling water is sprayed out by the water outlet pipe 503 to carry out natural cooling again, and the cooling water is repeatedly subjected to heat exchange with the cold air outside the tower main body 10 through circulating cooling to fully dissipate heat and cool the cooling water;

when cooling water is flushed out of the water outlet pipe 503, because the water outlet direction of the water outlet pipe 503 forms a certain angle with the diameter direction of the annular sealing plate 502 passing through the water outlet pipe 503, the water outlet pipe 503 drives the annular sealing plate 502 to rotate under the action of the backflushing of the cooling water, and the wing plates 504 on the annular sealing plate 502 rotate synchronously along with the annular sealing plate 502 to push air in the tower main body 10 upwards so as to form an ascending air flow in the inner cavity of the tower main body 10, so that the cooling speed of the cooling water is accelerated;

when the controller analyzes that the temperature difference detected by the temperature sensor outside the tower and the temperature sensor 401 inside the tower is small, the natural cooling effect is not obvious, the controller starts the fan 20 to forcibly dissipate heat, and simultaneously stops the water pump 102 from running, and the cooling water after being cooled repeatedly in a circulating way reaches the cooling temperature and is discharged outwards through the drain pipe 40 for use;

because the difference in temperature of high temperature cooling water and external environment is great, the radiating effect of high temperature cooling water is more obvious, and this device make full use of environment low temperature replaces fan 20 to carry out the segmentation cooling to high temperature cooling water, and fan 20's the out-of-service reaches the purpose of energy saving.

The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides an energy-conserving cooling tower, includes the tower main part, tower main part upper end is equipped with the guide duct, sets up the fan in the guide duct, and tower main part lower part lateral wall is equipped with the air intake, and tower main part upper portion inner chamber is equipped with the inlet tube, is equipped with the shower nozzle on the inlet tube, and the shower nozzle below is equipped with filler, its characterized in that: the water circulating and discharging device is arranged above the filler, the water accumulating tank is arranged at the bottom of the tower main body, a temperature sensor used for detecting the temperature of cooling water in the tower is arranged in the water accumulating tank, a water pump is arranged in the water accumulating tank, a water inlet of the water pump is communicated with the water accumulating tank, a water outlet of the water pump is communicated with the water circulating and discharging device, a temperature sensor outside the tower and a controller are arranged outside the tower main body, the temperature sensor outside the tower, the temperature sensor inside the tower, the water pump and the fan are electrically connected with the controller, the controller is used for controlling the start and stop of the fan and the water pump according to the temperature difference between the temperature sensor outside the tower and the temperature sensor inside the tower, and a water discharging pipe is arranged.

2. An energy efficient cooling tower as claimed in claim 1, wherein: the lower part of the tower main body is cylindrical, and the upper part of the tower main body is conical.

3. An energy efficient cooling tower as claimed in claim 2, wherein: the circulation goes out water installation and includes inboard open-ended annular bezel, annular bezel and tower main part fixed connection set up the annular slide of longitudinal symmetry in the opening of annular bezel, set up the annular shrouding in the annular slide, the annular shrouding with the sealed sliding connection of annular slide, it will to be equipped with the outlet pipe on the annular shrouding the interior outer space intercommunication of annular bezel, the play water direction of outlet pipe with the diameter direction that the annular shrouding located through the outlet pipe becomes certain angle on the horizontal plane, the annular shrouding is close to and is equipped with the pterygoid lamina on the lateral wall at tower main part center, the delivery port of water pump pass through the pipeline with the inner chamber intercommunication of annular bezel.

4. An energy efficient cooling tower as claimed in claim 3, wherein: and a filter screen is arranged in the air inlet.