CN214403687U

CN214403687U - Hydrophobic cooler and condenser connected node of power plant

Info

Publication number: CN214403687U
Application number: CN202023258753.2U
Authority: CN
Inventors: 杨建军; 李献荣; 郝敬林; 孙超
Original assignee: Huaneng Weihai Power Generation Co Ltd
Current assignee: Huaneng Weihai Power Generation Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-15
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to the technical field of power plant turboset cooling, in particular to a power plant drain cooler and condenser connecting node, which is provided with a drain cooler, a condenser and a seawater reservoir, a connecting component is arranged between the drain cooler and the condenser, the connecting component comprises a first main water outlet pipe, a drain vertical pipe, an upper pipe, a lower pipe and a second main water outlet pipe, a seawater inlet in the condenser is communicated with the seawater reservoir through a seawater input pipe, a seawater outlet in the condenser is communicated with the seawater reservoir through a seawater output pipe, the seawater input pipe is provided with a seawater circulating pump, the seawater reservoir extends into seawater through the main water pipe, the seawater main pipe is provided with a seawater pump, the bottom of the seawater reservoir is provided with a water outlet, the water outlet extends into the seawater through the water outlet pipe, the seawater reservoir is internally provided with a thermometer and a water level gauge, the cooling device has the advantages of simple structure, good cooling effect, high cooling efficiency, reasonable utilization of waste heat, energy waste avoidance and the like.

Description

Hydrophobic cooler and condenser connected node of power plant

Technical Field

The utility model belongs to the technical field of the turbine unit cooling technique of power plant and specifically relates to a simple structure, the cooling effect is good, cooling efficiency is high, waste heat rational utilization, avoid the extravagant power plant's of energy drainage cooler and condenser connected node.

Background

As is well known, a steam turbine unit drainage cooler in a power plant is backwardly connected above a condensate water level line at the bottom of a condenser, drainage enters the condenser to be cooled again, but because steam of the steam turbine unit is cooled and liquefied in the condenser, and because the condenser adopts seawater to carry out circulating cooling, in a cold state of seawater in winter, all waste heat carried by the drainage is absorbed and lost by the seawater to form condensate water supercooling degree, so that heat energy is wasted, and the condensate water is heated in the process of recycling the condensate water into a boiler, so that heat energy is lost.

Disclosure of Invention

The utility model aims at solving the not enough of above-mentioned prior art, provide a simple structure, cooling effect are good, cooling efficiency is high, waste heat rational utilization, avoid the extravagant hydrophobic cooler of power plant and condenser connected node of energy.

The utility model provides a technical scheme that its technical problem adopted is:

a connection node of a drain cooler and a condenser of a power plant is provided with the drain cooler, the condenser and a seawater storage tank, a connection assembly is arranged between the drain cooler and the condenser and comprises a first water outlet main pipe, a drain vertical pipe, an upper pipe, a lower pipe and a second water outlet main pipe, one end of the first water outlet main pipe is connected with a drain outlet of the drain cooler, the other end of the drain cooler is connected with a water inlet of the drain vertical pipe, the upper end and the lower end of the drain vertical pipe are respectively provided with the upper pipe and the lower pipe, one end of the upper pipe is communicated with the upper end of the drain vertical pipe, the other end of the upper pipe is arranged above a water level line below the condenser and is communicated with the condenser, one end of the second water outlet main pipe is connected with the drain outlet of the drain cooler, the other end of the second water outlet main pipe is arranged at the bottom of the condenser below the water level line of the condenser and is communicated with the bottom of the condenser, the seawater inlet in the condenser is communicated with a seawater storage tank through a seawater input pipe, the seawater outlet in the condenser is communicated with the seawater storage tank through a seawater output pipe, the seawater input pipe is provided with a seawater circulating pump, the seawater storage tank extends into seawater through a seawater main pipe, a seawater pump is arranged on the seawater main pipe, the bottom of the seawater storage tank is provided with a water outlet, the water outlet extends into the seawater through a water outlet pipe, the seawater storage tank is internally provided with a thermometer and a water level gauge, and the water outlet pipe, the seawater main pipe, the seawater input pipe and the seawater output pipe are respectively provided with a control valve.

The upper hose on be equipped with first control valve, second outlet manifold on be equipped with the second control valve, realize hydrophobic rational utilization through controlling first control valve and second control valve respectively.

Hydrophobic cooler's hydrophobic export establish in the top, hydrophobic export is linked together with first water header, second water header establish at first water header's the tip of intaking, guarantee after opening the second control valve, in hydrophobic at first inflow second water header.

The utility model discloses owing to adopt above-mentioned structure, have simple structure, cooling effect is good, cooling efficiency is high, waste heat rational utilization, avoid advantages such as the energy is extravagant.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in the attached drawing, the connection node of the drain cooler and the condenser of the power plant is provided with a drain cooler 1, a condenser 2 and a seawater storage tank 10, a connection assembly is arranged between the drain cooler 1 and the condenser 2, the connection assembly comprises a first water outlet main pipe 3, a drain vertical pipe 4, an upper pipe 5, a lower pipe 6 and a second water outlet main pipe 7, one end of the first water outlet main pipe 3 is connected with a drain outlet of the drain cooler 1, the other end of the drain cooler 1 is connected with a water inlet of the drain vertical pipe 4, the upper pipe 5 and the lower pipe 6 are respectively arranged at the upper end and the lower end of the drain vertical pipe 4, one end of the upper pipe 5 is communicated with the upper end of the drain vertical pipe 4, the other end of the upper pipe 5 is arranged above a water level line below the condenser 2 and communicated with the condenser 2, one end of the second water outlet main pipe 7 is connected with the drain outlet of the drain cooler 1, the other end of the second main water outlet pipe 7 is arranged at the bottom of the condenser 2 below the water level line of the condenser 2 and is communicated with the bottom of the condenser 2, a seawater inlet in the condenser 2 is communicated with a seawater storage tank 10 through a seawater input pipe 11, a seawater outlet in the condenser 2 is communicated with the seawater storage tank 10 through a seawater output pipe 12, the seawater input pipe 11 is provided with a seawater circulating pump 13, the seawater storage tank 10 extends into seawater through a seawater main pipe 14, the seawater main pipe 14 is provided with a seawater pump 15, the bottom of the seawater storage tank 10 is provided with a water outlet, the water outlet extends into the seawater through a water outlet pipe 18, the seawater storage tank 10 is internally provided with a thermometer 16 and a water level gauge 17, and the water outlet pipe 18, the seawater main pipe 14, the seawater input pipe 11 and the seawater output pipe 12 are respectively provided with a control valve.

Further, the upper pipe 5 is provided with a first control valve 8, the second water outlet main pipe 7 is provided with a second control valve 9, and reasonable utilization of drainage is achieved by controlling the first control valve 8 and the second control valve 9 respectively.

Further, the drain outlet of the drain cooler 1 is arranged above and communicated with the first water outlet main pipe 3, and the second water outlet main pipe 7 is arranged at the water inlet end of the first water outlet main pipe 3, so that after the second control valve 9 is opened, the drain firstly flows into the second water outlet main pipe 7.

The utility model discloses when using, the wash-out pipe 18, the sea water house steward 14, be equipped with control valve A on sea water input pipe and the sea water output tube 12 respectively, control valve B, control valve C, control valve D, because the sea water temperature is very low in winter, very easily take away the heat in condenser 2 and the hydrophobic cooler 1, it needs to consume a large amount of coals and heaies up to get into the boiler after utilizing once more, therefore, be equipped with sea water tank 10, import the sea water into sea water tank 10, be connected with condenser 2 through sea water input pipe and sea water output tube 12 on the sea water tank 10 respectively, carry out circulative cooling through sea water circulating pump 13 with the water in sea water tank 10, simultaneously because be equipped with 16 in the sea water tank 10, thermometer 16 will control the temperature of the water in the sea water tank 10, once the effect that the thermometer can't satisfy the condensation in condenser 2 too high temperature, just open sea water pump 15, The control valve A and the control valve B release water in the seawater storage tank 10 and simultaneously input seawater, when the temperature measured by the thermometer 16 meets the temperature of the condensation effect of the condenser 2, the seawater pump 15, the control valve A and the control valve B are closed, the seawater is input while releasing, the cooling circulation of the condenser 2 can be ensured not to stop, and simultaneously the temperature of the water in the seawater storage tank 10 can also be reduced, in order to meet the condition that the heat of drainage is not lost, the second control valve is opened to close the first control valve, so that the drainage is directly contacted with the condensed water, the drainage is prevented from being cooled by the seawater circulation in the condenser 2, when the second water outlet main pipe needs to be overhauled, the first control valve can be opened to close the second control valve to input the drainage, in the practical process, because the temperature of the seawater in winter is extremely low, the temperature of the condensed water generated by the condenser is very easy to cause, therefore, heat loss can be avoided through the seawater storage tank 10, heat loss can be guaranteed on the premise that the condensation effect of the condenser 2 is better, the seawater pump 15 can be used only in the process of adding seawater, further energy waste cannot be caused, the seawater circulation tank plays a role in buffering, circulation can be guaranteed by heating seawater with low temperature, the seawater can be in contact with cooled seawater, supercooling caused by extremely low seawater temperature cannot be caused, meanwhile, the drain pipe 18 and the seawater output pipe 12 are arranged at the bottom of the seawater circulation tank, the seawater main pipe 14 and the seawater input pipe are arranged above the seawater circulation tank, the seawater can be released and pumped into the seawater while the circulating seawater is cooled, non-stop operation can be guaranteed, a liquid level meter can be arranged in the seawater storage tank 10, and the liquid level in the seawater storage tank 10 can be controlled through the liquid level meter, avoid the low influence system operation of water level, just so avoided the sea water in winter to make the condensate product produce the super-cooled rate, foretell hydrophobic cooler 1 is connected with boiler system respectively with condenser 2, and its connected mode is the same with prior art, and this is not repeated, the utility model discloses owing to adopt above-mentioned structure, have simple structure, the cooling effect is good, cooling efficiency is high, waste heat rational utilization, avoid advantages such as energy waste.

Claims

1. A connection node of a drain cooler and a condenser of a power plant is provided with the drain cooler, the condenser and a seawater storage tank, a connection assembly is arranged between the drain cooler and the condenser and comprises a first water outlet main pipe, a drain vertical pipe, an upper pipe, a lower pipe and a second water outlet main pipe, one end of the first water outlet main pipe is connected with a drain outlet of the drain cooler, the other end of the drain cooler is connected with a water inlet of the drain vertical pipe, the upper end and the lower end of the drain vertical pipe are respectively provided with the upper pipe and the lower pipe, one end of the upper pipe is communicated with the upper end of the drain vertical pipe, the other end of the upper pipe is arranged above a water level line below the condenser and is communicated with the condenser, one end of the second water outlet main pipe is connected with the drain outlet of the drain cooler, the other end of the second water outlet main pipe is arranged at the bottom of the condenser below the water level line of the condenser and is communicated with the bottom of the condenser, the seawater inlet in the condenser is communicated with a seawater storage tank through a seawater input pipe, the seawater outlet in the condenser is communicated with the seawater storage tank through a seawater output pipe, the seawater input pipe is provided with a seawater circulating pump, the seawater storage tank extends into seawater through a seawater main pipe, a seawater pump is arranged on the seawater main pipe, the bottom of the seawater storage tank is provided with a water outlet, the water outlet extends into the seawater through a water outlet pipe, the seawater storage tank is internally provided with a thermometer and a water level gauge, and the water outlet pipe, the seawater main pipe, the seawater input pipe and the seawater output pipe are respectively provided with a control valve.

2. The connection node of the drain cooler and the condenser of the power plant according to claim 1, wherein a first control valve is arranged on the upper pipe, a second control valve is arranged on the second water outlet main pipe, and reasonable utilization of drain is achieved by controlling the first control valve and the second control valve respectively.

3. The connection node of the drain cooler and the condenser of the power plant according to claim 1, wherein a drain outlet of the drain cooler is arranged above, the drain outlet is communicated with a first water outlet main pipe, and a second water outlet main pipe is arranged at a water inlet end of the first water outlet main pipe.