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Evaporative condensing unit
Evaporative condensing unit
Evaporative condensing unit
Evaporative condenser is the main heat exchanger in the refrigeration system. Its principle is that the superheated high-pressure refrigerant gas discharged from the compressor in the refrigeration system passes through the condensing pipe in the evaporative condenser so that the high-temperature gaseous refrigerant and Pour pipe outside the spray water and air for heat exchange. That is, the gaseous refrigerant from the mouth into the row after the top-down gradually condensed into liquid refrigerant. Han cold well-being equipment Co., Ltd. supporting the super-wind force so that the spray water completely evenly covered in the coil surface, the water by the wind, greatly improving the heat transfer effect. The temperature of the spray of water from the part into a gaseous, the use of water vaporization latent heat from the wind to take away a lot of heat, hot water droplets are effectively dehydrated to intercept, and the rest of the heat absorbed water, scattered to the PVC water In the heat exchange layer, the air flowing through is cooled, the temperature is lowered, enters the water tank, and continues to circulate through the circulating water pump. The moisture that evaporates into the air is automatically replenished by the water level regulator.
(Using aluminum and aluminum alloy pipe), stainless steel tube (also divided into 314/316 tube, wave The carbon steel hot-dip zinc evaporative condenser is the earliest use of the product and occupies most of the domestic users are mainly used for high-pressure gas condensation, cooling, the applicable pressure range of 0-30MPa; aluminum alloy evaporative condensation For the new energy-saving new generation of products for ice machine refrigerant condensation, for the pressure range of 0-5MPa; stainless steel tube evaporative condenser is mainly used in a number of chemical plants in the corrosive gas cooling and condensation process.
Evaporative condenser shell is generally sprayed with galvanized sheet, after the intolerance of corrosion, and gradually adopted a galvanized sheet metal spray, the latest use of the market is aluminum-magnesium-zinc plate, this plate has the characteristics of stainless steel, Not rust, look good, easy processing.
Spray water from the water pump to the water in the sump to the top of the evaporative condenser spray pipe, sprayed on the nozzle to the outer surface of the condensate pipe to form a very thin water film, water film, part of the water after heat absorption For the water vapor, the rest fall into the sump, water pump recycling.
The axial fan blows the air from the top and the lower part of the wall into the coil, and the saturated hot and humid air is discharged into the surrounding atmosphere. The part of the water entrained in the hot and humid air is trapped through the water collector and effectively controls the water droplets Drift loss, scattered to the atmosphere of water vapor in the system by the float valve control to add cooling water.
1, The condensing coil with a long special for steel pipe, in the water by the strict pressure of 2.5MPa test, the overall temperature of nearly 430 ℃ hot dip zinc.
2, The box using imported or domestic high-quality galvanized sheet, optional electrostatic spray process, the collection tank can choose stainless steel plate.
3, The fan selection dedicated high efficiency, low noise axial fan, dedicated fan with a high range, to prevent hot air back.
4, The pump with low power, high flow, low head for the outdoor design and assembly according to customer requirements cleaning device.
5, Cloth water, efficient water collector and cooling filler with large flow, blocking the nozzle, precision calculation of continuous uniform coverage, put an end to the wall water film "dry point", made of high quality PVC material, anti-aging, Ditch-shaped water absorber, so that the water drift rate control in less than 0.001%, cooling filler for the cellular cross-flow structure, suitable for circulating water cooling
6, A small flow of cooling water in the condensing coil evaporation, gas ammonia condensation in the condensate coil for the liquid, so called evaporative condenser. High-intensity evaporation, making the evaporative condenser than other types of condensers more easily scale, there is no ideal cleaning method. Serious fouling evaporative condensers lose the power savings. High-quality cooling water is applicable, the selection should be careful!
1, The use of direct current and a heat transfer design, the heat transfer depends entirely on the surface of the coil group, the air at low speed from the lower part of the evaporator into the condenser, and high-speed from the upper part of the evaporative condenser, so hot and humid saturated air The return flow is reduced to a minimum.
2, Advanced water spray device, can maximize the inclusion of water pipe wall, improve the heat transfer coefficient, the device structure is advanced, no clogging characteristics of the phenomenon, to reduce surface fouling, improve equipment efficiency.
3, The box imported or domestic ST102 high quality galvanized sheet, optional electrostatic spray process, the collection tank can choose 304 stainless steel plate.
High efficiency condensing coil:
ZFLA series of coils using high-quality and efficient thermal materials made of seamless elliptical steel pipe, and gradually processed from. The same volume can increase the heat transfer area, row spacing, in the same air flow conditions, increase the water between the tube to increase, increase the thickness of the water film, and enhance the thermal conductivity area. The condensing duct is inclined at a certain angle according to the flow of the refrigerant to facilitate the flow of the refrigerant liquid. In the elaborate process, after 3 times 2.SMPa airtight test to ensure that no leakage. Condensing coil and its accessories and after high temperature hot dip zinc treatment, the zinc layer thickness higher than 0.05mm above, with excellent anti-corrosion ability, can extend the great service life.
Simple structure, easy to install:
Evaporative condenser shell and tube water-cooled condenser, cooling tower, circulating water pump, pool, water pipe into one, using the upper and lower box assembly, with a compact structure, small footprint, light weight, less connecting lines, easy installation And other advantages, greatly reducing the intensity of the construction site installation, reducing the installation costs.
Cost-effective, energy saving:
Evaporative condenser because of its unique structure and efficient heat exchange performance, condensation temperature is relatively low, the effect is good. Therefore, the operating power is small, low power consumption, its advanced operating principle and excellent supporting equipment, so that the consumption of cooling water is also reduced, combined with the materials have a good anti-corrosion ability to extend the service life, supporting large flow Of the axial fan, low noise, does not pollute the environment, is the real energy saving products. Maintenance is also simple, operating costs are relatively low.
Large flow pumps:
Dedicated high flow circulating water pump: equipped with higher protection IP55, room shape dedicated motor, with low power, high flow, low noise, excellent performance, easy maintenance and so on.
Special axial fan:
Evaporative cold special large flow axial fan, fan impeller with aluminum alloy blade, light weight, anti-corrosion ability. The hairdryer is made of mechanical spinning to ensure the roundness of the hairdryer, so that the gap between the impeller and the hairdryer is uniform and uniform. The flow is reduced and the noise is reduced. The auxiliary motor adopts IP55 self-cooled higher protection motor, efficient.
Large flow nozzle:
Evaporative condenser in the water system using a large flow of the nozzle, with a large flow, spray evenly, no clogging characteristics of the phenomenon, can maximize the inclusion of water pipe wall, increased water vaporization, Heat transfer effect.
Electronic water cleaning device:
If the user has special needs (order port should be noted), can be equipped with advanced electronic water cleaning instrument, can effectively play rust, corrosion, anti-scaling, descaling, sterilization effect of algae, so that circulating water activation clean. The use of good results, low operating costs.
Evaporative Condensers An airbag is provided on the group of condensers to allow air and non-condensable gases in the refrigerant to be collected in the airbag, separating the air and non-condensable gases from the refrigerant and releasing it through the air , Can greatly reduce the compressor exhaust pressure, reduce the compressor load, save power consumption, save electricity costs.
PVC heat exchanger:
The use of high-performance PVC filler, with a small wind resistance, anti-aging, no deformation of the advantages, through the formation of a large area of filler, water film, song of the water ripple, to extend the flow time, so that the flow of air to take away the heat, The cooling effect of circulating water.
The use of PVC material dehydrator, not only can effectively prevent the biochemical corrosion and erosion, and according to the unique surface form, can effectively gather moisture in the air, so that the water rate of less than 0.001%.
Most of the cooling water contains calcium, magnesium and acid carbonates. When the cooling water flows through the metal surface, there is the formation of carbonate. In addition, the dissolved oxygen in the cooling water will cause corrosion of metal, the formation of rust. Due to the generation of rust, heat transfer effect decreased. Serious when the shell had to spray cooling water, serious scaling will block the tube, so that the heat loss effect. The data show that scale deposits have a significant effect on heat loss, and as the sediment increases, energy costs increase. Even a thin layer of scale will increase the fouling part of the equipment more than 40% operating costs. Keep the cooling channels free of mineral deposits can improve efficiency, save energy, extend equipment life, while saving production time and costs.
For many years, traditional cleaning methods such as mechanical methods (high pressure water, chemical cleaning (pickling), etc.) have a lot of problems in cleaning the equipment: can not completely remove scale and other sediments, acid corrosion caused by the formation of equipment loopholes , The residual acid on the material secondary corrosion or scale corrosion, eventually leading to the replacement of equipment, in addition, cleaning waste water toxic, requires a lot of money for wastewater treatment.
In view of the above situation, foreign specially developed metal corrosion of small cleaning agent, its highly efficient, environmentally friendly, safe, non-corrosive, not only good cleaning effect and no corrosion of the equipment, to ensure the long-term use of evaporative condenser. Futura Tektronix Cleaner (unique addition of wetting agent and penetrating agent to effectively remove the most refractory scale (calcium carbonate), rust, grease, slime and other precipitates produced in water equipment, Damage, not to steel, copper, nickel, titanium, rubber, plastic, fiber, glass, ceramics and other materials, erosion, pitting, oxidation and other harmful reactions can greatly extend the service life of the equipment. Biodegradable (approved by the US Environmental Protection Agency approved), can be directly discharged, before the discharge without the need to deal with.
1. System operating costs are low
The condensing temperature is very practical and economical within the temperature of the wet bulb design temperature of 8.3 ° C, with the result that the compressor power is at least 10% less power than other cooling tower / condenser systems and saves 30% over air-cooled condenser systems % Of the power consumption, fan power and cooling tower / condenser system fan power consumption equivalent, and about the same specifications of the air-cooled condenser fan power 1/3. Due to the lower pump head and the lower water flow, the pump power is about 25% of the pump power required in a conventional cooling tower / condenser system.
2. Save your initial investment
Evaporative Condensers combine cooling towers, condensers, circulating ponds, circulating water pumps and water pipes into one, reducing cooling towers, circulating water pumps and water pipes, etc., and reducing the ability to handle and install individual components in a cooling tower / condenser system cost of. Since the evaporative condenser is efficient in evaporative cooling heat transfer, it is possible to effectively reduce the heat transfer area, the number of fans and the power consumption of the fan motor.
3. Save space
Evaporative condensers save valuable space by combining the condenser coil and the cooling tower, and it is not necessary to require larger pumps and piping to the cooling tower / condenser system. Evaporative condensers require only about 50% of the windward area of the same type of air-cooled condenser.