Closed central air-conditioning cooling tower

Abstract

The utility model relates to a closed central air-conditioning cooling tower which is characterized by comprising a cooling tower body, a fan and a circulating pump, a water collecting mechanism, a shower head, a packing layer, a heat exchanger, a water distribution disc and a water receiving disc are sequentially arranged in the cooling tower body from top to bottom, an air inlet is formed in the side wall of the bottom of the cooling tower body, a paper curtain covers the air inlet, the draught fan is arranged at the top of the cooling tower body in a communicating mode, and the paper curtain covers the air inlet. The circulating pump is arranged on one side of the bottom of the cooling tower body and connected with the water receiving disc, the water distribution disc and the shower head through water pipes. Air entering the cooling tower is dedusted and filtered through the paper curtain, so that the packing layer is prevented from being blocked; and water vapor is collected through the water collecting mechanism, so that the loss of cooling water is prevented from being aggravated.

Description

Technical Field

[0001] The utility model relates to a closed central air-conditioning cooling tower, belonging to the technical field of central air-conditioning. Background Art

[0002] Cooling towers play a cooling role in central air conditioning systems. Cooling towers use water as a circulating coolant to absorb heat from the air conditioning system and discharge it into the atmosphere to lower the water temperature. The cooling is accomplished through the water evaporation process, and the cooling water can be continuously recycled.

[0003] The temperature of circulating cooling water directly affects the power consumption of central air conditioning. Therefore, the heat dissipation capacity of the cooling tower directly affects the operation of the entire central air conditioning system. The cooling tower uses hot aluminum foil plates with higher thermal conductivity as heat dissipation materials, secondary cooling, and atomization cooling to control the evaporation of cooling water within a reasonable allowable range, saving water resources and greatly improving the cooling capacity of the cooling tower.

[0004] The conventional cooling towers known so far mainly use PVC fillers to increase the heat exchange. The cooling water flows through the fillers from top to bottom due to gravity. The circulating fan of the cooling tower dissipates the heat of the water into the air in the form of latent heat. The cooling water is open circulating water. In order to ensure the cooling effect, the water will continue to evaporate and float out under the action of the fan. However, the existing cooling towers cannot filter the air, causing dust in the air to enter the cooling tower and fall into the cooling water. When the cooling water is circulated, it will cause blockage to the filler layer, thereby affecting the cooling effect. At the same time, as an important component, the cooling water, in addition to its own evaporation and gasification due to heat, is also easily discharged from the entire cooling tower by the fan along with the hot air flow, which will undoubtedly aggravate the loss of cooling water and increase cooling costs.

[0005] Therefore, how to provide a novel closed central air-conditioning cooling tower is the research purpose of the utility model. Utility Model Content

[0006] In view of the deficiencies of the above-mentioned technologies, the utility model provides a closed central air-conditioning cooling tower, which removes dust and filters the air entering the cooling tower through paper curtains to avoid clogging of the packing layer; and collects water vapor through a water collection mechanism to avoid aggravating the loss of cooling water.

[0007] In order to solve the existing technical problems, the technical solution adopted by the utility model is:

[0008] A closed central air-conditioning cooling tower, characterized in that it comprises a cooling tower body, a fan and a circulating pump; the interior of the cooling tower body is provided with a water collecting mechanism, a shower head, a packing layer, a heat exchanger, a water distribution tray and a water receiving tray in sequence from top to bottom, an air inlet is opened on the side wall at the bottom of the cooling tower body, the air inlet is covered with a paper curtain, the fan is connected to the top of the cooling tower body, the circulating pump is arranged on one side of the bottom of the cooling tower body, and is connected to the water receiving tray, the water distribution tray and the shower head through water pipes respectively.

[0009] Furthermore, the water collecting mechanism includes a plurality of groups of fin-type water collecting plates arranged at intervals, and each group of the water collecting plates is arranged in an M-shaped structure.

[0010] Furthermore, the packing layer is configured as a water film type packing layer.

[0011] Furthermore, a float level gauge is provided in the water receiving tray, and a water supply port is also provided on the side away from the circulating pump.

[0012] The beneficial effects of the utility model are: 1. The air entering the cooling tower is dust-filtered by the paper curtain to avoid clogging of the packing layer; 2. The water vapor is collected by the water collection mechanism to avoid aggravating the loss of cooling water. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the water collection mechanism of the utility model.

[0015] Figure 3 It is a partial structural diagram of the utility model.

[0016] Among them: cooling tower body 1, fan 2, circulating pump 3, water collection mechanism 4, shower 5, packing layer 6, heat exchanger 7, water distribution tray 8, water receiving tray 9, air inlet 10, paper curtain 11, water collection plate 12, float liquid level gauge 13, water supply port 14. DETAILED DESCRIPTION

[0017] In order to make those skilled in the art better understand the technical solution of the utility model, the following Figure 1-3 The utility model is further analyzed.

[0018] like Figure 1-3As shown, a closed central air-conditioning cooling tower is characterized in that it includes a cooling tower body 1, a fan 2 and a circulating pump 3; the interior of the cooling tower body 1 is provided with a water collecting mechanism 4, a shower head 5, a packing layer 6, a heat exchanger 7, a water distribution tray 8 and a water receiving tray 9 in sequence from top to bottom, an air inlet 10 is opened on the side wall at the bottom of the cooling tower body 1, and the air inlet 10 is covered with a paper curtain 11. The air enters the cooling tower body 1 after being filtered by the paper curtain 3 to dissipate the heat of the cooling water. The fan 2 is connected to the top of the cooling tower body 1, and the circulating pump 3 is arranged on one side of the bottom of the cooling tower body 1, and is respectively connected to the water receiving tray 9, the water distribution tray 8 and the shower head 5 through water pipes, and the water in the water receiving tray 9 and the water distribution tray 8 is transported to the shower head 5 through the circulating pump 3.

[0019] In this embodiment, preferably, the water collecting mechanism 4 includes a plurality of groups of fin-type water collecting plates 12 arranged at intervals, and each group of the water collecting plates 12 is arranged as an M-shaped structure. The hot water vapor contacts the water collecting plates 12 to form water droplets, which fall into the packing layer 6 for recycling, thereby avoiding aggravating the loss of cooling water.

[0020] In this embodiment, preferably, the packing layer 6 is configured as a water film packing layer. Compared with the drip type packing layer, the water film packing layer has a larger specific surface area, a higher volumetric mass coefficient, and a higher heat exchange performance, thereby saving costs and space, but it is more prone to clogging, so the cooling water needs to be filtered before use.

[0021] In this embodiment, preferably, a float level gauge 13 is provided in the water receiving pan 9, and a water supply port 14 is also provided on the side away from the circulating pump 3. The water level information of the water receiving pan 9 is detected by the float level gauge 13. When the cooling water in the water receiving pan 9 is insufficient, water is supplied from an external water source through the water supply port 14 to ensure the cooling water supply in the cooling tower.

[0022] The specific principle of the utility model is as follows: the circulating water pump 3 extracts the cooling water from the water receiving tray 9 and the water dividing tray 8, and transports it to the shower head 5, which sprays it to the packing layer 6 and forms a water film, so that the cooling water can be cooled in multiple stages, the cooling water in the packing layer 6 falls on the heat exchanger 7 to exchange heat with the air-conditioning water in the heat exchanger, and the air-conditioning water is cooled and dissipated, and the cooling water with heat falls in the water dividing tray 8 and the water receiving tray 9, and is extracted and recycled by the circulating pump 3; at the same time, the air enters the cooling tower body 1 after being filtered by the paper curtain 11, and the cooling water in the packing layer 6 is cooled and dissipated, and is discharged from the top of the fan 2, and the water vapor contacts the water collecting plate 12 when rising with the air flow, and forms water droplets and falls into the packing layer 6 for recycling, thereby avoiding aggravating the loss of cooling water.

[0023] The technical solution provided by the present application is introduced in detail above. The principles and implementation methods of the present application are explained in this article using embodiments. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for general technicians in this field, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A closed central air conditioning cooling tower, characterized in that: It includes a cooling tower body, a fan and a circulating pump; the interior of the cooling tower body is provided with a water collecting mechanism, a shower, a packing layer, a heat exchanger, a water distribution tray and a water receiving tray in sequence from top to bottom, an air inlet is opened on the side wall at the bottom of the cooling tower body, and the air inlet is covered with a paper curtain, the fan is connected to the top of the cooling tower body, the circulating pump is arranged on one side of the bottom of the cooling tower body, and is connected to the water receiving tray, the water distribution tray and the shower through water pipes respectively.

2. A closed central air conditioning cooling tower according to claim 1, characterized in that: The water collecting mechanism comprises a plurality of groups of fin-type water collecting plates arranged at intervals, and each group of the water collecting plates is arranged in an M-shaped structure.

3. A closed central air-conditioning cooling tower according to claim 1, characterized in that: The packing layer is configured as a water film type packing layer.

4. A closed central air-conditioning cooling tower according to claim 1, characterized in that: A float liquid level gauge is arranged in the water receiving tray, and a water supply port is arranged on a side away from the circulating pump.

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