CN114777559A - Air cooling radiator dirt cleaning system - Google Patents

Abstract

The present application discloses an air-cooled radiator dirt cleaning system in the technical field of air-cooling units, which adopts the following technical solutions: including an air-cooled radiator, a gas-solid-liquid three-phase flow nozzle, a weak acid soaking reagent atomizing nozzle, a flushing nozzle, an ultrasonic nozzle, High-pressure water pump, solid particle storage equipment, solution pump, ultrasonic generator, demineralized water tank, air compressor and weak acid solution reagent storage tank, through gas-solid-liquid three-phase flow nozzles, weak acid soaking reagent atomizing nozzles, flushing nozzles and ultrasonic nozzles To clean the air-cooled radiator, through the combination of various media such as ultrasonic waves, weak acid soaking reagents and gas-solid-liquid three-phase flushing technology, it can not only clean the floating dust and flocs on the air-cooled radiator, but also clean for a long time. The hard scale formed and the dirt in the radiator fins greatly reduce the thermal resistance of the surface of the air-cooled radiator, improve the heat exchange efficiency of the air-cooled radiator, reduce the back pressure of the air-cooled unit, and improve the economy and safety of the unit. .

Description

An air-cooled radiator dirt cleaning system

technical field

The present application relates to the technical field of air-cooled units, and in particular, to an air-cooled radiator dirt cleaning system.

Background technique

Northwest my country is rich in coal resources but lacks water resources. Conventional coal-fired generating units need to consume a lot of fresh water in the production process. In order to solve the plight of thermal power development in arid coal-rich areas, thermal power plant air-cooling technology emerges as the times require. It is a thermal power plant cooling technology with the purpose of saving water. It is a cooling method that uses air instead of water as the cooling medium. It means that the exhaust steam of the steam turbine directly enters the air-cooled condenser, and the air is condensed. For heat exchange, the required cooling air is usually supplied by mechanical ventilation, and the condensate water is discharged into the recuperation system of the steam turbine unit by the condensate pump. The air-cooled island of the air-cooled unit can save more than 97% of water, and the whole plant can save more than 65% of water. Air-cooled units are bound to be more and more widely used in the future due to their significant water-saving advantages. However, the existing flushing systems for air-cooled units are relatively complex in design, have unreliable flushing effects, and waste water. The rust, impurities, catkins, fluff and dirt in the heat dissipation unit, large-diameter exhaust pipes and auxiliary pipes in the air-cooling island, if not cleaned in time or not cleaned, will cause the air-cooling island to fail to work properly, resulting in serious problems. It affects the working efficiency of the air cooling island.

As shown in Figure 1, the prior art is an air-cooled island radiator flushing system, wherein a is an air-cooled radiator, b is a flushing nozzle, c is a demineralized water tank, d is a flushing water pump, e and f are valves, and the flushing water pump d will remove the The brine is extracted from the demineralized water tank, and after being boosted, enters the flushing nozzle, and the high-speed water ejected from the flushing nozzle cleans the dust and dirt on the surface of the air-cooled radiator. In flocculent and arid and water-deficient areas, dirt is likely to be generated during long-term operation, and the existing technology can only clean the floating dust and floc on the air-cooled radiator, but cannot clean the hard scale formed for a long time and the dirt in the radiator fins. It will cause the heat exchange efficiency of the air-cooled radiator to be greatly reduced, affect the back pressure of the unit, and seriously affect the economy and safety of the unit.

In view of the above-mentioned related technologies, the present application provides an air-cooled radiator dirt cleaning system.

SUMMARY OF THE INVENTION

The present application provides an air-cooled radiator dirt cleaning system, which can only clean the floating dust and flocs on the air-cooled radiator according to the prior art flushing technology, but cannot clean the hard dirt formed for a long time and the dirt in the radiator fins. Therefore, a brand new air-cooled radiator cleaning system is proposed. This patent solves the defects of the prior art and greatly improves the performance of the air-cooled radiator by combining various media such as ultrasonic waves, weak acid soaking reagents and gas-solid-liquid three-phase flushing technology. The heat exchange efficiency improves the economy and safety of the unit.

The present application provides an air-cooled radiator dirt cleaning system, which adopts the following technical solutions: including an air-cooled radiator, and also includes a gas-solid-liquid three-phase flow nozzle, a weak acid soaking reagent atomizing nozzle, a flushing nozzle, an ultrasonic nozzle, a high-pressure water pump, a storage Solid particle equipment, solution pump, ultrasonic generator, demineralized water tank, air compressor and weak acid solution reagent storage tank. radiator cleaning,

The ultrasonic wave emitted by the ultrasonic generator is connected with the ultrasonic nozzle through the first cut-off valve, and the demineralized water tank is connected with the flushing nozzle through the third cut-off valve, the high-pressure water pump, the second cut-off valve and the ninth cut-off valve. connection, the weak acid solution reagent storage tank is connected with the weak acid soaking reagent atomizing nozzle through the fifth cut-off valve, the solution pump and the sixth cut-off valve, and the air compressor passes through the fourth cut-off valve, the solid particle storage equipment and the The eighth cut-off valve is connected to the first input end of the seventh cut-off valve, the second input end of the seventh cut-off valve is connected to the output end of the second cut-off valve, and the output end of the seventh cut-off valve It is connected with the gas-solid-liquid three-phase flow nozzle.

Optionally, it also includes a cleaning method for an air-cooled radiator dirt cleaning system, which specifically includes the following steps:

S1: Turn on the ultrasonic generator, and the ultrasonic wave sent out passes through the first shut-off valve and the ultrasonic nozzle, and is sprayed to the dirt on the surface of the air-cooled radiator and the dirt in the fins;

S2: Turn off the ultrasonic generator; open the third cut-off valve, the second cut-off valve and the ninth cut-off valve, close the seventh cut-off valve, start the high-pressure water pump, and pump out the demineralized water in the demineralized water tank, through the third cut-off valve, high pressure The water pump, the second shut-off valve, the ninth shut-off valve and the flushing nozzle flush the dirt on the surface of the air-cooled radiator and the dirt in the fins;

S3: Close the high-pressure water pump and the ninth cut-off valve, open the solution pump, the fifth cut-off valve and the sixth cut-off valve, extract the weak acid solution reagent in the weak acid solution reagent storage tank, and pass the fifth cut-off valve, the solution pump, the sixth cut-off valve Valve and weak acid soaking reagent atomizing nozzle, spray to the dirt on the surface of the air-cooled radiator and the dirt in the fins;

S4: Close the solution pump, the fifth stop valve and the sixth stop valve; finally start the air compressor, open the fourth stop valve and the eighth stop valve, the compressed air from the air compressor passes through the fourth stop valve, and then passes through the solid storage Particle equipment, compressed air carries solid particles through the eighth shut-off valve, simultaneously starts the high-pressure water pump and opens the seventh shut-off valve, extracts the demineralized water in the demineralized water tank, and passes through the third shut-off valve, high-pressure water pump, the second shut-off valve and the third shut-off valve. Seven shut-off valves, high-pressure demineralized water and compressed air carrying solid particles pass through the gas-solid-liquid three-phase flow nozzle, and the gas-solid-liquid three-phase flow mixture shoots the dirt on the surface of the air-cooled radiator and the dirt in the fins.

To sum up, the present application includes at least one of the following beneficial effects:

Through the combination of various media such as ultrasonic waves, weak acid soaking reagents and three-phase gas-solid-liquid flushing technology, it can not only clean the floating dust and flocs on the air-cooled radiator, but also clean the hard scale and radiator fins formed for a long time. The dirt inside the air-cooled radiator greatly reduces the surface dirt thermal resistance of the air-cooled radiator, improves the heat exchange efficiency of the air-cooled radiator, reduces the back pressure of the air-cooled unit, improves the economy and safety of the unit, and improves the load capacity of the unit. , to avoid the dispatching assessment of the power grid.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of the prior art of the application;

FIG. 2 is a schematic structural diagram of the system of the application.

Description of reference numerals: 1. Air cooling radiator; 2. Gas-solid-liquid three-phase flow nozzle; 3. Weak acid soaking reagent atomizing nozzle; 4. Washing nozzle; 5. Ultrasonic nozzle; 6. High-pressure water pump; 7. Solid particle storage Equipment; 8. Solution pump; 9. Ultrasonic generator; 10. Demineralized water tank; 11. Air compressor; 12. Weak acid solution reagent storage tank; 13. First shut-off valve; 14. Second shut-off valve; 15. Section 15. Three globe valve; 16, fourth globe valve; 17, fifth globe valve; 18, sixth globe valve; 19, seventh globe valve; 20, eighth globe valve; 21, ninth globe valve.

Detailed ways

The present application will be described in further detail below in conjunction with FIG. 2 .

Example 1

2, the present application discloses an air-cooled radiator dirt cleaning system, including an air-cooled radiator 1, and also includes a gas-solid-liquid three-phase flow nozzle 2, a weak acid soaking reagent atomizing nozzle 3, a flushing nozzle 4, an ultrasonic nozzle 5, a high-pressure nozzle Water pump 6, solid particle storage equipment 7, solution pump 8, ultrasonic generator 9, demineralized water tank 10, air compressor 11 and weak acid solution reagent storage tank 12, atomized by gas-solid-liquid three-phase flow nozzle 2, weak acid soaking reagent The nozzle 3, the flush nozzle 4 and the ultrasonic nozzle 5 clean the air-cooled radiator 1,

The ultrasonic waves emitted by the ultrasonic generator 9 are connected to the ultrasonic nozzle 5 through the first cut-off valve 13, and the demineralized water tank 10 is connected to the flushing nozzle 4 through the third cut-off valve 15, the high-pressure water pump 6, the second cut-off valve 14 and the ninth cut-off valve 21. Connected, the weak acid solution reagent storage tank 12 is connected with the weak acid soaking reagent atomizing nozzle 3 through the fifth cut-off valve 17, the solution pump 8 and the sixth cut-off valve 18, and the air compressor 11 passes through the fourth cut-off valve 16. The device 7 and the eighth shut-off valve 20 are connected to the first input end of the seventh shut-off valve 19 , the second input end of the seventh shut-off valve 19 is connected to the output end of the second shut-off valve 14 , and the The output end is connected with the gas-solid-liquid three-phase flow nozzle 2 .

Embodiment 2

Also included is a cleaning method for an air-cooled radiator dirt cleaning system, which specifically includes the following steps:

S1: Turn on the ultrasonic generator 9, and the ultrasonic waves sent out pass through the first shut-off valve 13 and the ultrasonic nozzle 5, and spray the dirt on the surface of the air-cooled radiator 1 and the dirt in the fins to shatter and soften them;

S2: Turn off the ultrasonic generator 9; open the third cut-off valve 15, the second cut-off valve 14 and the ninth cut-off valve 21, close the seventh cut-off valve 19, start the high-pressure water pump 6, and pump out the demineralized water in the demineralized water tank 10, Through the third shut-off valve 15, the high-pressure water pump 6, the second shut-off valve 14, the ninth shut-off valve 21 and the flushing nozzle 4, the dirt on the surface of the air-cooled radiator 1 and the dirt in the fins will be shattered and soft. Dirt, dirt in the fins and catkin lint are washed away;

S3: close the high-pressure water pump 6 and the ninth cut-off valve 21, open the solution pump 8, the fifth cut-off valve 17 and the sixth cut-off valve 18, extract the weak acid solution reagent in the weak acid solution reagent storage tank 12, pass the fifth cut-off valve 17 , the solution pump 8, the sixth stop valve 18 and the weak acid soaking reagent atomizing nozzle 3, spray the dirt on the surface of the air-cooled radiator 1 and the dirt in the fins, dissolve the surface of the air-cooled radiator and the inside of the fins without being shattered by ultrasonic waves and loose dirt;

S4: Close the solution pump 8, the fifth stop valve 17 and the sixth stop valve 18; finally start the air compressor 11, open the fourth stop valve 16 and the eighth stop valve 20, the compressed air from the air compressor 11 passes through the fourth stop valve The cut-off valve 16, and then through the solid particle storage device 7, the compressed air carries the solid particles through the eighth cut-off valve 20, simultaneously starts the high-pressure water pump 6 and opens the seventh cut-off valve 19, and extracts the demineralized water in the demineralized water tank 10. Three cut-off valve 15, high-pressure water pump 6, second cut-off valve 14 and seventh cut-off valve 19, the high-pressure demineralized water and the compressed air carrying solid particles pass through the gas-solid-liquid three-phase flow nozzle 2, and the gas-solid-liquid three-phase flow mixture shoots toward the The dirt on the surface of the air-cooled radiator 1 and the dirt in the fins, the dirt soaked in the weak acid solution reagent and other remaining debris are all washed away, which greatly reduces the thermal resistance of the dirt on the surface of the air-cooled radiator and improves the heat exchange efficiency.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (2)

1. An air-cooled radiator dirt cleaning system, comprising an air-cooled radiator (1), characterized in that: further comprising a gas-solid-liquid three-phase flow nozzle (2), a weak acid soaking reagent atomizing nozzle (3), a flushing nozzle (4) ), ultrasonic nozzle (5), high-pressure water pump (6), solid particle storage equipment (7), solution pump (8), ultrasonic generator (9), demineralized water tank (10), air compressor (11) and weak acid Solution reagent storage box (12), through the gas-solid-liquid three-phase flow nozzle (2), weak acid soaking reagent atomizing nozzle (3), flushing nozzle (4) and ultrasonic nozzle (5) to the air cooling radiator (1) to clean, The ultrasonic wave emitted by the ultrasonic generator (9) is connected to the ultrasonic nozzle (5) through the first cut-off valve (13), and the desalinated water tank (10) passes through the third cut-off valve (15), the high-pressure water pump ( 6) The second cut-off valve (14) and the ninth cut-off valve (21) are connected to the flushing nozzle (4), and the weak acid solution reagent storage tank (12) passes through the fifth cut-off valve (17), the solution pump (8) and the sixth cut-off valve (18) are connected to the weak acid soaking reagent atomizing nozzle (3), and the air compressor (11) passes through the fourth cut-off valve (16) and the solid particle storage device (7) and the eighth shut-off valve (20) is connected with the first input end of the seventh shut-off valve (19), the second input end of the seventh shut-off valve (19) is connected with the output of the second shut-off valve (14) The output end of the seventh shut-off valve (19) is connected with the gas-solid-liquid three-phase flow nozzle (2). 2. An air-cooled radiator dirt cleaning system according to claim 1, characterized in that: further comprising a cleaning method for an air-cooled radiator dirt cleaning system, which specifically comprises the following steps: S1: Turn on the ultrasonic generator (9), and the ultrasonic waves sent out pass through the first shut-off valve (13) and the ultrasonic nozzle (5), and are sprayed to the dirt on the surface of the air-cooled radiator (1) and the dirt in the fins; S2: Turn off the ultrasonic generator (9); open the third cut-off valve (15), the second cut-off valve (14) and the ninth cut-off valve (21), close the seventh cut-off valve (19), and start the high-pressure water pump (6) , pump out the demineralized water in the demineralized water tank (10), and pass through the third shut-off valve (15), the high-pressure water pump (6), the second shut-off valve (14), the ninth shut-off valve (21) and the flushing nozzle (4) , rush to the dirt on the surface of the air-cooled radiator (1) and the dirt in the fins; S3: Close the high-pressure water pump (6) and the ninth cut-off valve (21), open the solution pump (8), the fifth cut-off valve (17) and the sixth cut-off valve (18), and store the weak acid solution reagent in the storage tank (12) The weak acid solution reagent is extracted, and the dirt on the surface of the air-cooled radiator (1) is sprayed through the fifth shut-off valve (17), the solution pump (8), the sixth shut-off valve (18) and the weak acid soaking reagent atomizing nozzle (3). and contamination within the fins; S4: close the solution pump (8), the fifth stop valve (17) and the sixth stop valve (18); finally start the air compressor (11), open the fourth stop valve (16) and the eighth stop valve (20) , the compressed air from the air compressor (11) passes through the fourth cut-off valve (16), and then passes through the solid particle storage device (7), the compressed air carries the solid particles through the eighth cut-off valve (20), and simultaneously starts the high-pressure water pump (6). ) and open the seventh shut-off valve (19), the demineralized water in the demineralized water tank (10) is pumped out, and passed through the third shut-off valve (15), the high-pressure water pump (6), the second shut-off valve (14) and the seventh shut-off valve (14). Valve (19), high-pressure demineralized water and compressed air carrying solid particles pass through the gas-solid-liquid three-phase flow nozzle (2), and the gas-solid-liquid three-phase flow mixture is shot to the dirt on the surface of the air-cooled radiator (1) and the air inside the fins. dirty.

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