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Draft cooling tower ventilation adjusting system

A technology for ventilation regulation and mechanical cooling, which is applied in water shower coolers, high-efficiency regulation technology, heat exchange equipment, etc. The effect of water separation and removal, stabilizing cooling water temperature, and improving operation effect

Pending Publication Date: 2019-07-16
嘉峪关大友嘉能精碳科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, due to the full-speed operation of the fan during the cooling process of the cooling tower, the air flow rate entering the cooling tower cannot be effectively controlled. During the cold and heat exchange process between the cold air and water, the evaporation is large, the water taken away by the steam increases, and the water loss is relatively large. , it is very easy to cause the deflector to freeze and crush the deflector; when the room temperature is low in winter, the temperature of the circulating water after cooling is far lower than the required value of the inlet water temperature of the condenser, which affects the operation effect of the unit

Method used

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Embodiment Construction

[0016] like figure 1 As shown, a mechanical cooling tower ventilation adjustment system includes a cooling tower 1 and a water receiver 2 with a convective angle waveform structure installed in the cooling tower 1. A fan 3 is installed on the top of the cooling tower 1. The fan 3 is equipped with a rotating speed The motor 4 is 0-1480r / min, the water outlet of cooling tower 1 is connected with circulating water pipe 5, temperature detector 6 is installed on this circulating water pipe 5, and its end is connected with water pump 11, and is connected with reservoir 7; 7 is connected with a condenser 8, which is connected to the upper water inlet of the cooling tower 1 through a return pipe; the temperature detector 6 is connected with a PLC controller 9 through a wire, and the PLC controller 9 is connected with a frequency range through a control line It is a frequency converter 10 of 0-50 Hz; the frequency converter 10 is connected with the motor 4 and connected with a 380V pow...

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Abstract

The invention relates to a draft cooling tower ventilation adjusting system comprising a cooling tower and a water collecting device installed in the cooling tower and arranged to be of a convection angle waveform structure, a fan is arranged at the top of the cooling tower, the fan is provided with a motor with the rotating speed being 0-1480 r / min, a cooling tower water outlet is connected witha circulating water pipe, the circulating water pipe is provided with a temperature detector, a water pump is connected to the tail end of the circulating water pipe, and a water storage tank is connected to the tail end of the circulating water pipe; the water storage tank is connected with a condenser, the condenser is connected with a water inlet in the upper portion of the cooling tower through a water return pipe; the temperature detector is connected with a PLC through a wire, and the PLC is connected with a frequency converter with the frequency range being 0-50 Hz through a control line; and the frequency converter is connected with the motor and communicates with a 380 V power supply busbar. The draft cooling tower ventilation adjusting system effectively adjusts the air flow rate, automatic ventilation control and on-line temperature monitoring are realized, the water separation take-away amount is reduced, the water loss is reduced, a deflector is not prone to being crushed,and the temperature of the cooling water is stabilized.

Description

technical field [0001] The invention relates to the field of cooling systems, in particular to a mechanical cooling tower ventilation adjustment system. Background technique [0002] The cooling tower is a device that uses water as a circulating coolant, uses water to exchange heat with air flow to generate steam, absorbs heat and discharges it into the atmosphere to reduce the water temperature. At present, due to the full-speed operation of the fan during the cooling process of the cooling tower, the air flow rate entering the cooling tower cannot be effectively controlled. During the cold and heat exchange process between the cold air and water, the evaporation is large, the water taken away by the steam increases, and the water loss is relatively large. , it is very easy to cause the deflector to freeze and crush the deflector; when the room temperature is low in winter, the temperature of the circulating water after cooling is far lower than the required value of the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28C1/00F28F27/00F28F25/10F28F25/00F28F25/02
CPCF28C1/00F28F27/003F28F25/10F28F25/00F28F25/02F28F2025/005Y02B30/70
Inventor 于建红
Owner 嘉峪关大友嘉能精碳科技股份有限公司
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