Reasons for excessive water temperature and maintenance methods for cooling towers
1. The volume of circulatory water in the cooling tower is too small and is maintained either by adjusting the circulatory volume or by replacing the cooling tower with a capacity match
B. Aqueous outlet caused by the congestion of water piping pipes, resulting in an overheating of the water piping and timely routing to ensure its flow
3. Excessive water intake temperatures in cooling towers to reduce the temperature of water intake
4 the congestion of the fillings has led to deviations, prompt cleaning of the congestions and ensuring even water flow。
Reasons for inadequate ventilation in cooling towers and maintenance methods
1. Too loose a moving belt or poor lubrication of bearings, resulting in a reduction in the speed of cooling towers, resulting in a lack of ventilation, timely repositioning of electric generators or replacement of belts or lubricants
2. Non-adaptation of the angles of the cooling tower blades to the appropriate angles
The breakdown of the cooling tower leaves resulted in a lack of ventilation and the timely replacement of new leaves。
In order for cold water mechanisms to be more efficient and stable and for cooling towers to operate safely and normally for as long as possible, several protective maintenance operations will need to be performed on a regular basis, in addition to the root inspection and cleaning of the cooling towers。
Refrigeration towers are operated by water coolers. For cooling towers that use belt-reducing equipment, they stop every two weeks to see how tight the belts are and are not adjusted accordingly; if several belts are loose, the whole set is replaced; if the cooling tower does not function for a long time, the belt will be removed and preserved。
If the cooling towers are using gear-reducing equipment, the gas levels in the gear tanks will be checked once a month; if the amount fails, it will be filled; in addition, the cooling towers are operated every six months to see the colour and viscosity of the oil and do not meet the requirements for full replacement; when the cooling towers are cumulatively used at 5,000h, it is necessary, regardless of the quality of the oil, to clean the gearbox completely and replace the lubricating oil to ensure that the cooling towers provide continuous cooling water cycles to the chillers。
In the winter, water coolers in some areas are not operational, and matching cooling towers are shut down. During this period, wind blades may be deformed by snowing, and two methods can be used to avoid: to rotate the blades to a vertically fixed angle after the stoppage; and to remove the blades or swirl together for indoor preservation。
Replacement steps for cooling tower filling:
1. When the water-filling material is assembled in a glued form, it shall be levelled on the ground and the ambient temperature at the site shall not be less than 5°c. When assembled, pressure is applied on a flat plate to prevent the form plate itself from being warped and degeled, and when the adhesive drys up, it can be moved to a flat ground at a height not exceeding 2m. Prevent long-term exposure。
2. In accordance with the layout of the ground inside the tower, a small piece of filling material is systematically cut to fill irregular gaps. Closely fill between assembly blocks. Filling materials are also to be filled closely between tower walls, vertical wells and beams, with a gap not exceeding 20mm。
3. When installed, take care of the upper and lower direction of the assembly blocks. Each layer should be levelled, and the patches should be cleaned and free of muzzles。
Work such as installation, maintenance, etc., needs to be carried out in packaging, covered with tablets, and direct stepping is prohibited。
5. Welding operations above fillings are strictly prohibited during construction, assembly and installation and fire protection measures should be taken as necessary。
6. Installations should be carried out with dedicated personnel, closely organized and inspected at all times to ensure their quality。
Operation maintenance phase of the cooling tower
The cooling towers can be maintained and maintained in three phases. Cleaning and maintenance after shutdown, debugging of inspections prior to commissioning, formal inspection in operation。
Cleaning, maintenance after cooling towers are down
1. Diffusion systems
1 checks whether the main pipes of the cooling tower, the partition pipes and the nozzle are broken and loose, and fixes and fixes in a timely manner. Full removal of stains inside the hoses and nozzles in order to ensure smooth flow of the pipes and even water from the nozzles。
2 complete washing of cooling towers and water filtration hoods to avoid clogged pipes with water stains. Upon completion of the cleaning, the discharge valve shall be opened and water shall be accumulated in the disk so as not to freeze。
3. Check for leaks in water discs and feet of towers and, if there are leaks, fill the glue in time。
2. Dispersion systems
1 cleans the cooling towers of all heat-replacement materials (fills), completely removes the surface of the heat materials, the water stains between the holes, and ensures the cleanness of the heat-replacement materials. Refurbishment and replacement of heat materials. When filling, be careful to close the cloth and leave no gaps。
2 cleaning of water curtains, sound blankets and removal of stains. Refurbishment and replacement of damaged areas. The curtain code is kept tight to prevent drift. The cooling towers will be recharged, and leaks will be checked (especially for tower connections) and seals will be replaced if leaks occur。
3. Passage system
1 electric power: checks whether the main end of the power plant is intact, if the power is moving properly, if the wire case is sealed, if the electrical axle is refuelled and if the electrical shell is repainted. Long-term shutdown, with the owner advised to operate at least three hours per month to keep the electrical loop dry and smooth the bearing surface。
2 speed-cutting: check whether the speed-reducing is normal and replace the speed-reducing bearings immediately if there is noise。
Three belts, belts and wheels: regulate the wiring, untie the belt and extend its useful life. The skin is unbreakable and fractured and, if necessary, the owner is advised to replace the new belt. Nucleus belt wheels, motor shelf horizontality, tight and loose bolts, replaced by rusty bolts. Four fans: cleaning of the surface stains of the fan, checking of the angles of the fan, the gap between the leaf and the wind, and adjusting。
4. Tower appearance
1 thorough cleaning of the wind, towers and boards to ensure a clean appearance。
2 retighten the branch bolts and replace the rust bolts。
3. Check for damage and cracks in the appearance of the tower and repair them in a timely manner。
Check whether the pylons are tight and re-painting if necessary。
Annex to the cooling tower
1 checks the automatic recharge mechanism - the float is damaged and the work is normal. Unusual and timely repairs and replacements were found. 2 the iron bolts of the cooling towers were re-confirmed, the rust bolts were replaced and the rusty pieces were repainted。
3 check in and out of water pipes for broken, leaked, cooling tower clean-up maintenance of the pylons of the piping pipe, and suggest that the owner seal the cooling pyrotechnics with a strip wrap so as to prevent the impurity from entering the cooling tower
(ii) inspection, debugging of cooling towers before they open
One removes the wind cover, adjusts the wiring and adjusts the tightness of the belt。
2. Carefully check the functioning of the electrical and speed-reducing units of the cooling tower transmission system。
3 checks for cleaning of cooling towers, filtering net stains, watering of water discs, sealing of tower feet, repositioning of floats to make the water table fit for use。
4. Adjusting the angle of the leaf to measure electrical currents to meet good performance standards。
The cooling towers are regulated to enter and exit the water valves so that the flow of the cooling towers meets the requirements. Required, officially open。
(iii) inspection, inspection in operation of cooling towers
1 regular inspection of cooling towers in operation to consult users on their use
(b) carefully test technical data such as cooling tower inflow, water discharge temperature and electrical currents。
3. Carefully check the operation of transmission devices such as electrics, speed-reducing machines, etc. Checking the actual performance of the water distribution system。
4 fault detected and addressed immediately。
