Air inlet precooling type cooling tower

Abstract

The utility model discloses an air inlet precooling type cooling tower which comprises a water tank, a cooling tower body and a precooling side box, the water tank is installed at the bottom of the cooling tower body, the precooling side box is installed at the bottom of the side face of the water tank, and a precooling channel assembly is installed in the precooling side box. The pre-cooling channel assembly is composed of a plurality of gas flat cavity pieces and bent cavity pieces connected with the gas flat cavity pieces, a plurality of air holes are formed in the gas flat cavity pieces, and a pre-cooling air pump is fixedly installed on the side face of the pre-cooling side box. An exhaust port of the pre-cooling air pump is connected with an air equalizing pipe arranged in the pre-cooling side box, a water feeding pump is fixedly installed on the outer side of the water tank, and a water discharging port of the water feeding pump is connected with a spraying pipe and an atomization water inlet pipe through a three-way flow control valve in a branched mode. The cooling device has the beneficial effects that entering air can be pre-cooled, the outside air temperature is high, the cooling process can be deepened, the multiple cooling effect is achieved, and the cooling efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of cooling tower devices, in particular to an air inlet precooling type cooling tower. Background Art

[0002] A cooling tower is an evaporative heat dissipation device that uses the principles of evaporative heat dissipation, convection heat transfer, and radiation heat transfer to dissipate waste heat generated in industry or refrigeration and air conditioning to reduce the water temperature. However, in some areas and seasons, the external temperature is relatively high, which leads to a higher temperature inside the tower, reducing the cooling effect. Utility Model Content

[0003] The purpose of the utility model is to provide an air inlet precooling cooling tower in order to solve the above problems.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] A cooling tower with air inlet precooling, comprising a water tank, a cooling tower body and a precooling side box, wherein the water tank is installed at the bottom of the cooling tower body, the precooling side box is installed at the bottom of the side of the water tank, a precooling channel assembly is installed in the precooling side box, the precooling channel assembly is composed of a plurality of gas flat chambers and curved chambers connecting the gas flat chambers, the gas flat chambers are provided with a plurality of air holes, a precooling air pump is fixedly installed on the side of the precooling side box, the exhaust port of the precooling air pump is connected to an air equalizing pipe arranged inside the precooling side box, an upper water pump is fixedly installed on the outside of the water tank, a three-way flow control valve is provided at the drain port of the upper water pump, the three-way flow control valve is connected to an atomizing water inlet pipe, the end of the atomizing water inlet pipe extends into the precooling side box and is provided with an atomizing head.

[0006] In the above scheme, the end of the channel cavity of the precooling channel assembly is connected to the cooling tower body, so that external air can enter the cooling tower body through the precooling channel assembly. A precooling air pump is fixedly installed on the side of the precooling side box, and the exhaust port of the precooling air pump is connected to the air equalizing pipe arranged in the precooling side box. The air equalizing pipe is provided with a number of air equalizing holes to facilitate blowing the precooling channel assembly above. The upper water pump is connected to an atomizing water inlet pipe, and the end of the atomizing water inlet pipe extends into the precooling side box and is installed with an atomizing head, so that the water vapor is atomized and contaminated to the outside of the gas flat cavity, and then the precooling air pump is started intermittently to accelerate the volatilization of the adhered water, take away the heat, and achieve the precooling effect. The top of the precooling side box is provided with an air outlet duct.

[0007] Furthermore, the branch of the three-way flow control valve is connected to a spray pipe, the end of the spray pipe extends into the interior of the cooling tower body and is installed with a plurality of spray heads.

[0008] In the above scheme, the upper water pump pumps the water in the water tank to the spray pipe, and then transports it to the spray head through the spray pipe. The spray head sprays and cools the inside of the cooling tower body, thereby achieving a variety of cooling effects.

[0009] Furthermore, a splash-proof layer is installed inside the cooling tower body above the spray head.

[0010] In the above solution, the anti-splash layer mainly blocks water droplets and assists water vapor backflow, which helps to improve cooling efficiency, reduce resource waste, and improve the reliability and safety of equipment operation.

[0011] Furthermore, a coil is installed inside the cooling tower body below the spray head.

[0012] In the above scheme, the coil is used to place the refrigerant that needs to dissipate heat. The coil has multiple curved channels, which can increase the contact area with the air in the cooling tower and promote the transfer and dissipation of heat.

[0013] Furthermore, a box inlet pipe is installed on the pre-cooling side box, and the box inlet pipe is connected to the cavity inlet of the gas flat cavity.

[0014] In the above scheme, this design can effectively guide the gas into the gas flat cavity, realize the smooth flow of gas in the pre-cooling side box, and provide a suitable gas inlet channel for it. This helps to improve the flow efficiency of gas in the pre-cooling side box, thereby effectively pre-cooling the gas and ensuring the normal operation and stability of the gas in the subsequent process.

[0015] Furthermore, an induced draft fan assembly is installed on the top of the cooling tower body.

[0016] In the above scheme, the induced draft fan assembly can introduce the internal airflow from the outside into the gas flat cavity and into the cooling tower body, so as to achieve the entry of external cold air and the discharge of hot gas.

[0017] The utility model has a beneficial effect of an air inlet precooling cooling tower in that it can precool the incoming air to make the external temperature high, and can also deepen the cooling process to achieve multiple cooling effects, that is, high cooling efficiency. The end of the channel cavity of the precooling channel component is connected to the cooling tower body, so that the external air can enter the cooling tower body through the precooling channel component, and a precooling air pump is fixedly installed on the side of the precooling side box. The exhaust port of the precooling air pump is connected to the air equalizing pipe arranged in the precooling side box. The air equalizing pipe is provided with a plurality of air equalizing holes, which is convenient for blowing the upper precooling channel component. The upper water pump is connected to an atomizing water inlet pipe, and the end of the atomizing water inlet pipe extends into the precooling side box and is installed with an atomizing head, so that the water vapor is atomized and contaminated to the outside of the gas flat cavity, and then the precooling air pump is started intermittently to accelerate the volatilization of the adhered water, take away the heat, and achieve the precooling effect. The top of the precooling side box is provided with an air outlet channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front structural schematic diagram of an air inlet precooling cooling tower described in the utility model;

[0019] Figure 2 It is a schematic diagram of the interior of a precooling side box of an air inlet precooling cooling tower described in the utility model;

[0020] Figure 3 It is a schematic diagram of the interior of a cooling tower body of an air inlet precooling cooling tower described in the utility model.

[0021] The following are the descriptions of the reference numerals:

[0022] 1. Water tank; 2. Cooling tower body; 3. Pre-cooling side box; 4. Box inlet pipe; 5. Pre-cooling air pump; 6. Water supply pump; 7. Spray pipe; 8. Atomizing water inlet pipe; 9. Three-way flow control valve; 10. Gas flat cavity; 11. Bend cavity; 12. Air hole; 13. Atomizing head; 14. Air equalization pipe; 15. Splashproof layer; 16. Spray head; 17. Coil; 18. Draft fan assembly. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings:

[0024] like Figure 1-3 As shown, an air inlet precooling cooling tower is composed of a water tank 1, a cooling tower body 2 and a precooling side box 3;

[0025] The water tank 1 is installed at the bottom of the cooling tower body 2, and the precooling side box 3 is installed at the bottom of the side of the water tank 1. The number of precooling side boxes 3 is set according to the number of air inlets. A precooling channel assembly is installed in the precooling side box 3. The precooling channel assembly is composed of a plurality of gas flat cavity pieces 10 and a curved cavity piece 11 connected to the gas flat cavity piece 10. The gas flat cavity piece 11 is provided with a plurality of air holes 12, which are not connected to the cavity of the gas flat cavity piece 10. The channel cavity end of the precooling channel assembly is connected to the cooling tower body 2, so as to facilitate precooling of external air when passing through the channel cavity, reduce the temperature of the incoming gas, and improve the refrigeration efficiency of the cooling tower;

[0026] A precooling air pump 5 is fixedly installed on the side of the precooling side box 3, and the exhaust port of the precooling air pump 5 is connected to the air equalization pipe 14 arranged inside the precooling side box 3, which is provided with a plurality of air equalization holes to facilitate blowing the precooling channel assembly above;

[0027] A water pump 6 is fixedly installed on the outside of the water tank 1, and an atomizing water inlet pipe 8 is connected to the water outlet of the water pump 6 through a three-way flow control valve 9. The end of the atomizing water inlet pipe 8 extends into the precooling side box 3 and is installed with an atomizing head 13, so that the atomized water vapor is attached to the outside of the gas flat cavity 10, and then the precooling air pump 5 is started intermittently to accelerate the volatilization of the attached water, take away the heat, and achieve the precooling effect, wherein the top of the precooling side box 3 is provided with an air outlet hole;

[0028] like Figures 1 to 3 As shown, in some embodiments, the branch of the three-way flow control valve 9 is connected to a spray pipe 7, the end of which extends into the interior of the cooling tower body 2 and is equipped with a plurality of spray heads 16. The upper water pump 6 pumps the water in the water tank 1 to the spray pipe 7, and then delivers the water to the spray head 16 through the spray pipe 7. The spray head 16 sprays and cools the interior of the cooling tower body 2, thereby achieving a variety of cooling effects.

[0029] like Figure 1-3 As shown, the utility model also discloses the following more optimized specific structures:

[0030] The precooling side box 3 is provided with a box inlet pipe 4, which is connected to the cavity inlet of the gas flat cavity 10. This design can effectively guide the gas into the gas flat cavity 10, realize the smooth flow of the gas in the precooling side box 3, and provide a suitable gas inlet channel for it. This helps to improve the circulation efficiency of the gas in the precooling side box 3, thereby effectively precooling the gas and ensuring the normal operation and stability of the gas in the subsequent process.

[0031] An induced draft fan assembly 18 is installed on the top of the cooling tower body 2, which introduces the internal airflow from the outside into the gas flat cavity 10 and into the cooling tower body 2, so as to achieve the entry of external cold air and the discharge of hot gas.

[0032] An anti-splash layer 15 is installed inside the cooling tower body 2 above the spray head 16, which mainly blocks water droplets and assists water vapor reflux.

[0033] A coil 17 is installed inside the cooling tower body 2 below the spray head 16 for placing the refrigerant that needs to dissipate heat.

[0034] like Figure 1-Figure 3 The air inlet precooling cooling tower shown has a gas precooling function, which is mainly achieved by blowing the gas at the bottom of the precooling channel assembly by the gas equalizing pipe 14 under the action of the precooling air pump 5 when the gas passes through the precooling channel assembly, because the outer side of the precooling channel assembly is stained with water mist, accelerating the volatilization of the surface liquid and taking away the heat, so that the gas in the precooling channel is cooled and precooled;

[0035] At the same time, the water pump 6 also pumps the water in the water tank 1 to the spray head 16, so that it is sprayed and cooled, achieving a variety of cooling effects.

[0036] Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected.

Claims

1. An air inlet precooling cooling tower, characterized in that: It includes a water tank, a cooling tower body and a precooling side box, the water tank is installed at the bottom of the cooling tower body, the precooling side box is installed at the bottom of the side of the water tank, a precooling channel assembly is installed in the precooling side box, the precooling channel assembly is composed of a plurality of gas flat chambers and curved chambers connecting the gas flat chambers, the gas flat chambers are provided with a plurality of air holes, a precooling air pump is fixedly installed on the side of the precooling side box, the exhaust port of the precooling air pump is connected to the air equalizing pipe arranged inside the precooling side box, an upper water pump is fixedly installed on the outside of the water tank, a three-way flow control valve is provided at the drain port of the upper water pump, the three-way flow control valve is connected to an atomizing water inlet pipe, the end of the atomizing water inlet pipe extends into the precooling side box and is provided with an atomizing head.

2. The air inlet precooling cooling tower according to claim 1, characterized in that: The branches of the three-way flow control valve are connected with a spray pipe, the ends of which extend into the interior of the cooling tower body and are equipped with a plurality of spray heads.

3. The air inlet precooling cooling tower according to claim 2, characterized in that: A splash-proof layer is installed inside the cooling tower body above the spray head.

4. The air inlet precooling cooling tower according to claim 3, characterized in that: A coil is installed inside the cooling tower body below the spray head.

5. The air inlet precooling cooling tower according to claim 1, characterized in that: A box inlet pipe is installed on the precooling side box, and the box inlet pipe is connected with the cavity inlet of the gas flat cavity.

6. The air inlet precooling cooling tower according to claim 1, characterized in that: An induced draft fan assembly is installed on the top of the cooling tower body.

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