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Intelligent power management-based energy-saving system for circulating cooling water residual pressure recovery

A circulating cooling water and power management technology, applied in pump control, non-variable pumps, pump devices, etc., can solve the problems of difficult implementation process and high cost, and achieve obvious energy saving effect, low cost, and perfect control module.

Active Publication Date: 2016-11-16
UNIV OF SHANGHAI FOR SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, grid-connection is not something that can be merged at will. The implementation process is very difficult, the cost is high, and whether it can be approved by relevant departments is also a big problem.

Method used

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  • Intelligent power management-based energy-saving system for circulating cooling water residual pressure recovery
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  • Intelligent power management-based energy-saving system for circulating cooling water residual pressure recovery

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0024] as follows figure 1 As shown, a circulating cooling water residual pressure recovery energy-saving system based on intelligent power management includes a hydroelectric generator set 1, a cooling tower 2, an intelligent power control system 3, and a power grid 4. The generator adopts permanent magnet synchronous motor, which makes the system more efficient and energy-saving.

[0025] The hydroelectric generating set 1 is connected to the fan motor of the cooling tower 2 through the intelligent power control system 3 , and the intelligent power control system 3 is also connected to the power grid 4 . After the cooling water passes through the heat users, it is first supplied to the hydro-generator unit 1 to generate electricity. The power generated by the hydro-generator unit 1 and the power supplied by the grid 4 are integrated and output to the...

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Abstract

The invention relates to an intelligent power management-based energy-saving system for circulating cooling water residual pressure recovery. The system comprises a water-turbine generator set, a cooling tower and a power grid, wherein the water-turbine generator set is connected with a fan of the cooling tower by the aid of an intelligent power control system; the intelligent power control system is further connected with the power grid; and power generated by the water-turbine generator set and power supplied by the power grid are integrated and output by the intelligent power control system to a motor for driving the fan of the cooling tower, the power generated by the water-turbine generator set is used preferentially, and insufficient power is complemented by the power grid. The system has the characteristic that season limitations are broken through intelligent control on power supply and saving of the fan and the optimized design of the whole cooling system. The key technology is as follows: through integrated monitoring and control on power generation by a water turbine, power consumption by the fan and power supply by the power grid, the water-turbine generator set works under conditions of different flow and different pressure, and the intelligent control system can provide required stable power for the fan.

Description

technical field [0001] The invention relates to a circulating cooling water residual pressure recovery system of a cooling tower, in particular to a circulating cooling water residual pressure recovery energy-saving system with intelligent power management. Background technique [0002] Cooling tower is a general-purpose mechanical device that mainly discharges the waste heat in circulating cooling water to the air through convection and evaporative heat exchange. In the central air-conditioning system of the building, etc. Due to the particularity of some cooling systems, there will be a high residual pressure in the cooling water, and it will vary greatly with the season and load, generally 5~30mH 2 O, a few can reach 50mH 2 O or so, all belong to the residual energy system of medium and low water head. To meet the spray conditions in the cooling tower, the required pressure at the outlet of the nozzle is 1~2mH 2 O, energy dissipators are usually used to dissipate duri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03B13/00F04D25/06F04D27/00
CPCF03B13/00F04D25/06F04D27/00F05B2220/706
Inventor 章立新高明秦晓飞李会宋嘉文许睿飏王芸雯葛睿涵胡余祥叶艳红
Owner UNIV OF SHANGHAI FOR SCI & TECH
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