Glass steel cooling tower

(One)Low noise square cooling tower 

Ultra low noise cooling tower is a series of noise control measures on the basis of low noise cooling tower. The standard point noise level is lower than the corresponding low noise type low to 5dB (A). It is suitable for more stringent noise requirements, for example: hotels, hospitals, public buildings and residential areas closer to the occasion. It is based, piping, motor power and low noise type cooling tower the same cooling water and air volume and low noise cooling towers of the same.
Industrial type high temperature cooling tower, temperature drop is generally 10-25 degrees. This type increases the tower diameter, air volume, wind pressure, power, packing height and a series of measures. It is suitable for the cooling water temperature drop of industrial water. Industrial type tower thermal performance of this design is rich, please don't leave room in the selection. Its code meaning is as follows,
For example: DBNL3 100 type: D low noise; B glass steel; N a counterflow cooling tower; L-; 3 a third remodel design; 100m3/h 10O a nominal flow standard conditions;
GBNL3 - 100 type: G an industrial type, high temperature drop;
CDBNL3 - 100 type: CD one for the ultra low noise type; other as above

Selection and use

The selection of water inlet temperature of T1, Q for T2, the water temperature and the design of wet bulb temperature by determined models based on thermodynamic performance curve.
On the cold resistance of materials - that can be applied to a 50 DEG C area, but for the lowest temperature is below 10 DEG C, the order should be put forward requirements of anti icing measures, the factory can be equipped with water diversion ring, so the water does not flow to the blinds.
The circulating water turbidity is not greater than 50 mg / L, the short term is not greater than 10O mg / L, not containing oil and mechanical impurities, take out algae and water quality stability measures when necessary.
The basic installation diagram for reference. The inlet and outlet of the tower in the direction of the tower, the horizontal position of arbitrary, but do not touch the foundation, based in the middle, the load should be running the 25%, the remaining 75% by the external rectangular foundation bear an average, if installed on the roof, the additional pressure caused by wind load should be considered.
The cooling tower - type is less than 125, outside connection water pipe connected with the cooling tower should be located support, to prevent too much weight on the tower wall.
The cloth pipe nominal flow hole, such as the actual content and the nominal flow rate difference of + 15% above, when ordering instructions by the manufacturer to change the size of holes. The inlet water pressure of the tower is about 2 meters to 5 meters. Design when the pressure should not be too high, or flow through the general assembly floating water.
- this product is suitable for the water temperature does not exceed 60 degrees, such as more than 60 DEG C, stating the order, the factory can meet the requirements.
The 80 type of cooling tower fan, blade angle can be adjusted, but to ensure the preparation when the same perspective, current does not exceed the rated current of the motor. Each type of fan can be inverted to eliminate ice during a short period of time. Therefore, in the serious freezing area, should set the reversible magnetic starter button should be installed in the vicinity of the cooling tower. "Blade method see cross flow type glass steel cooling tower manual".
The cooling tower at startup must first open the pump, after the opening of the fan, do not allow in the absence of water under the condition of the fan operation. Stop working, should first stop the fan, after the water pump. When the user needs to directly absorb water in the tower under the cooling tower, it is necessary to install the automatic water supply pipe, the rapid water supply pipe and the sewage pipe.

(two)WGFB cooling tower 

1, WGFB FILLLESS spray cooling tower adopts high pressure centrifugal atomization device (nozzle pressure: 0.035MPa) as a cooling element instead of the filler and water distributing device of the traditional packing tower, the tower has almost become an empty tower structure is greatly simplified.
2, WGFB FILLLESS spray cooling tower in the cancellation of the filler and a water distributing device, the atomization device is arranged in the air inlet duct above the water jet direction and the axial flow fan with suction air to water at the same time, with the rise and fall of the two processes, there are cooling down cooling and cooling process two.
3, GFN FILLLESS spray cooling tower through the atomizer to spray water into a mist, the tiny granular air and water uniform contact, packing column is through the water distribution nozzle will water distribution in the packing to film and air contact.
4, GFN to cancel the load due to packing, the tower body is greatly reduced, without more support beams, civil engineering structure is simplified, save construction investment. The advantages of WGFB- FILLLESS spray tower: small resistance, cooling temperature, degree of approximation: because the cooling tower components WGFB (high efficiency low pressure centrifugal atomization device) the injection of water into 0.5mm small droplets, the surface area is far greater than the water filler dispersion into membrane with specific surface area, gas water heat transfer surface area, and water distribution uniformity, avoid packing aging deformation and jam produced as a result of the dead, channeling cooling point temperature distribution is not uniform, the cooling effect is better than that of the packed tower and low operating cost, energy saving effect is obvious: GFN low pressure atomization device working pressure is 0.035MPa, ratio of hydraulic rotating atomization device working pressure 0.2MPa low 0.17MPa the pump power is greatly reduced. WGFB tower system resistance is about 1/2 in the packed tower, cooling water, fan at the same time, the motor power to tower 60%, obvious energy saving effect, and eliminates cleaning packing and replacement of water distribution nozzle cost, operation cost is greatly reduced. WGFB tower due to the cancellation of the filler, the tower's system resistance to the original 1/2, in the same case, the fan characteristic curve can be known, the air volume increased to 1.2 times the original. Gas water ratio is also increased to 1.2 times the original, so the cooling temperature difference is greater than the packing tower 2. WGFB tower spray particle uniformity, no blockage, no maintenance, stable and reliable operation: WGFB tower overcomes tower packing aging embrittlement, deformation and water distribution nozzle clogging and punching, filler chips plug the pipeline, pump and heat exchanger and a series of equipment performance and process system is like a tower. Its life span is longer than that of the packed tower for more than three years.

(three)Cross flow type glass steel cooling tower

This series of cross flow type glass steel cooling tower with two sides into the wind, by the top of the fan, the air through the tower on both sides of the filler, and hot water for medium exchange, hot and humid air to the outside of the tower. Packing of the points are both sides of the convex wave plate, through the installation of the head plate bonded into a whole, to improve the rigidity, both sides of the convex points can also avoid direct water, thus improving the water film forming ability, fillers are arranged at the tail water collection measures.

Product features

● Space saving, lightweight structure

Designed for efficient heat exchange design this series of cooling tower packing, the heat exchange area is greatly improved, compared with the original HBLD series and HBLCD series, the area is greatly reduced, because the optimization design of the structure and the steel structure, operating weight is greatly reduced.

●Save electricity
The ventilation resistance of small packing and by Tsinghua University for the wing type glass steel fan cooling tower design, thereby reducing motor power with smaller motor power, ultra low noise type used, save electricity, can also be based on user requirements, equipped with double speed motor power.

● Operating noise is very low
Low noise axial flow fan with FRP material designed for cooling tower is designed to reduce the operation noise of the cooling tower, which is designed by Tsinghua University. The operation noise of the ultra low noise series cooling tower is lower, and the overall compliance with the environmental protection requirements. If equipped with double speed motor, at low speed, but also make noise and then decreased by 2-3dB (A), users need to double speed motor should be requested separately in order.

● Good corrosion resistance
The tower body, sink and panel are used with good corrosion resistance of FRP material, and add light stabilizer in gel coating, has good anti-aging properties, and color. After processing, the tower body steel structure adopts galvanized treatment to improve the corrosion resistance of the cooling tower.

● Convenient combination
Can be used in combination to meet the requirements of different conditions, the user can also according to the location of the decision combination, and according to the characteristics of the user's building, adjust the appearance of the cooling tower. Such as the user site is very limited. Our company can also be designed to meet the special requirements of users, to meet the user's requirements for thermal performance and noise.

● Easy maintenance
The cooling tower of the series is designed to be combined, the adjacent cooling tower air chamber separated from each other, can be in the normal operation of the cooling tower under the premise of maintenance and repair, cleaning packing, water pipes and water tanks work more convenient.

Model specification
Model code and significance of cross flow glass fiber reinforced plastic cooling tower:
B - glass fiber reinforced plastic H - Z - L - - low noise type D - low noise type G - low noise type CD - medium high water temperature drop industrial type
product mix
The panel: glass steel material, smooth surface appearance, corrosion resistance, anti aging.
- packing: modified PVC double point wave plate, good thermal performance, small airflow resistance, good rigidity, heat resistance, cold resistance, flame retardant 75 C.
The fan blade material for aluminium alloy. The fan has the characteristics of reasonable aerodynamic force, large air volume, high efficiency, low noise, corrosion resistance and so on.
The motor and the speed reducer for external equipment.
The cloth trough: glass steel material, uniform water distribution, ultra low noise type cover plate can shield light, prevent debris flying into, reduce splash.
The muffling cover: glass steel, stuck in the cavity type flame retardant PVC film anechoic material.
The shutters: glass steel, water spills, and can make the inlet airflow uniformity.
The water tank: glass steel material, from the catchment, with automatic water supplement facilities, can be directly closed circulation water.
The skeleton assembly structure, fold type steel has good rigidity, light weight, convenient transportation and installation, hot galvanized.
Performance and selection
Model code and significance of cross flow glass fiber reinforced plastic cooling tower:
B - glass fiber reinforced plastic H - Z - L - - low noise type D - low noise type G - low noise type CD - medium high water temperature drop industrial type
product mix
The panel: glass steel material, smooth surface appearance, corrosion resistance, anti aging.
- packing: modified PVC double point wave plate, good thermal performance, small airflow resistance, good rigidity, heat resistance, cold resistance, flame retardant 75 C.
The fan blade material for aluminium alloy. The fan has the characteristics of reasonable aerodynamic force, large air volume, high efficiency, low noise, corrosion resistance and so on.
The motor and the speed reducer for external equipment.
The cloth trough: glass steel material, uniform water distribution, ultra low noise type cover plate can shield light, prevent debris flying into, reduce splash.
The muffling cover: glass steel, stuck in the cavity type flame retardant PVC film anechoic material.
The shutters: glass steel, water spills, and can make the inlet airflow uniformity.
The water tank: glass steel material, from the catchment, with automatic water supplement facilities, can be directly closed circulation water.
The skeleton assembly structure, fold type steel has good rigidity, light weight, convenient transportation and installation, hot galvanized.
Performance and selection

Installation and use notes
It should be placed in a well ventilated place clean.
The crossflow tower inlet pipe from both sides are installed, and connected to the distribution box, users should take over arranged for butterfly valve, regulating the flow. The water inlet pipe can be introduced into the dry pipe, and the dry pipe can be placed on the tower, and the pipe support should be placed on the shelf of the cooling tower. A selection of water outlet pipe to be air inlet direction from the bottom water tank is connected with a.
The safety and use should adjust the roundness of the cylinder, and the tip and the tower wall clearance is equal, not less than 10mm. Blade angle should be adjusted to the same. Method for adjusting the blade near the tip of 150mm, before and after each leaf margin of two were marked by the bottom bracket, were measured before and after each edge distance of two leaves, to calculate the difference before and after the leaves this edge through several adjustments to the height reached consistent is qualified.
It should be avoided in the gray layer, using the acid gas field, otherwise it will lead to corrosion of the heat exchanger and pipes.
Between the cooling tower inlet and wall distance are as follows: the single tower is 2 meters, Twin Towers is 2.5 meters, tower type is 3.5 meters, the four tower above should be 5 meters above the wall height should be lower than the overall height of the cooling tower.
The exhaust port and the obstacle - cooling tower the distance between 5 meters.

(four)Square counter flow type glass cooling tower

FN series square counter current type glass cooling tower is a new type of energy saving products designed by the fourth design and Research Institute of the Ministry of machinery industry. The application of four obtained energy-saving glass steel cooling tower "patent, especially the cooling tower fan with variable torque from a double speed motor, when the temperature is low (e.g., at night), motor speed, cooling tower noise low 3-5dB (A).
In addition, with the dual speed motor energy saving is significant, the calculation, multiple cooling tower with a single speed motor, although the wet ball in the air can be stopped when the low part of the motor power saving, but still more than two speed motor power consumption of 40% (in the year).
This product is also used in four obtained national patent "square cooling tower with oblique trapezoidal wave packing sheet", by the Beijing academy and Foshan real tower test, the thermal resistance characteristics are better than other fillers. Motor, fans are supporting the supply, need to send staff to the site installation or technical guidance.

Structure characteristics

- packing: using four patent products - inclined trapezoidal filler plate, lateral ribs increase, redistribution of water capacity, small resistance, good thermal performance, high temperature resistance of 70 DEG C, resistance to low temperature of -50 DEG C, flame retardant.
- motor: Tsinghua University Department of electrical engineering design, four patented products manufactured by Mengjin Motor Factory Camp a variable torque variable pole motor energy-saving low noise, waterproof performance is good, high temperature resistance, high efficiency, low noise.
The gear deceleration device: power is less than 11/5.5KW, reinforced neoprene rubber belt transmission power with polyester fiber, high temperature resistance, high efficiency, water does not stretch, overcome the slipping phenomenon, the noise is very small. The deceleration device power is larger than 15/7.5KW, the gear reducer, motor is installed on the external cylinder.
The fan: Department of engineering mechanics of Tsinghua University according to the series of products of parameter design of low noise, high efficiency, wing shaped glass steel blade, low noise, high efficiency, adjustable blade angle.
The water collection and water distribution device: the reflection type low pressure nozzle, the swirl nozzles for the single tower, water distribution uniformity, small water pressure. The water collecting device can make the loss of float water drop to 0.01%.
- Acoustic facilities: ultra low noise type cooling tower in tower outlet installed above the shielding and absorption grating with sound-absorbing material, in order to achieve the maximum noise reduction effect.
- Acoustic facilities: ultra low noise type cooling tower in tower outlet installed above the shielding and absorption grating with sound-absorbing material, reduces the noise of the fan and the motor. For a mushroom type absorption tower gate.
- drop noise pad: of low noise and ultra low noise type cooling tower, designed a silencing pad good permeability, which is provided with a layer of inclined plate, greatly reduces water noise.
The maintenance platform: the top plate maintenance platform, convenient maintenance and installation.
- under the tray: shallow water and deep water cooling tower and plate plate is provided with a launching plate, for water use. According to the request, can be equipped with water, sewage, automatic and manual water supply pipe, directly from the tray under water.
- support: cooling tower steel bracket, galvanized steel and coated with epoxy asphalt anticorrosive paint, fasteners are made of galvanized bolt.

(five) circular counter flow type cooling tower

With the development of industrial production and the improvement of people's living standard, the control of water environment pollution, rational development and utilization of water resources is imminent. To this end, many units commonly used ideal equipment of FRP cooling tower the efficient energy-saving, the implementation of internal water closed-circuit circulation, improve the reuse efficiency and reduce the cost effectively, at the same time, enable people to adjust the temperature and humidity, cleanliness and environment noise desire into reality.
Glass steel cooling Tanai corrosion, high strength, light weight, small volume, small, beautiful and durable, and transportation, installation and maintenance more convenient. So it is widely used in various departments of the national economy, and it is particularly suitable for the cooling water circulation system of air conditioning, refrigeration, air compressor station, heating furnace and condensation process.
Round countercurrent glass steel cooling tower adopts the countercurrent gas heat exchange technology, the use of high-quality filler modified polyvinyl chloride plate, with diffusion water area; by rotating the cloth of water, the water distribution uniformity, enhance the cooling effect. I plant has made a partial improvement in the shape of this series of products designed to make it more reliable, durable, easy to assemble.
structure characteristics
The tower type: reasonable line, smooth airflow and fine texture, bright color, surface coating resin containing anti UV agent, aging resistance, high strength, light weight, corrosion resistance. Under the tower according to the order requirements, can be equipped with water overflow, sewage, automatic water supply pipe, can be directly water absorption, eliminating the cooling pond, with a noise elimination pad above, effectively reducing the sound of water dripping.
- packing: using modified PVC plate, lateral ribs increase, redistribution of water capacity, small resistance, good thermal performance, high temperature 70 degrees, -50 degrees low temperature, flame retardant.
The rotary water distributor and distributing pipe: a stainless steel ball bearing, flexible and reliable operation, low pressure, water distribution uniformity, using Aluminum Alloy or glass cloth made of steel pipes, installation of water collecting plate pipe, overcomes the water drift phenomenon.
The wind machine: from the Mechanical Engineering Department of Tsinghua University according to the series of cooling tower design parameters of low noise and high efficiency fan, Aluminum Alloy airfoil or glass steel blade, low noise, high efficiency.
- motor: Department of electrical engineering of Tsinghua University by the basis of the Y series installation size, low noise, energy-saving motor cooling tower design of sealing good waterproof performance, high temperature resistance, high efficiency, low noise.
The speed reducer: using terylene fiber reinforced neoprene rubber belt transmission power, high temperature resistance, high efficiency, water does not stretch, overcome the slipping phenomenon, the noise is very small.
- Acoustic facilities: ultra low noise type cooling tower increases the shield with sound-absorbing material in inlet opening, and a sound gate in the two part, in order to achieve the maximum effect of noise reduction. The tower body is installed on the air outlet trumpet shielding and absorption grating with sound-absorbing material, reduces the noise of fan and motor came out.
The inlet window: a glass steel shutter sheet, reduce floating water, small airflow resistance, especially suitable for northern regions and all need to use cooling tower unit.
- support: all fan, filler, the air inlet window, the tower body of steel bracket is assembled, galvanized or painted anti-corrosion. Fasteners are galvanized or stainless steel bolts.

(six) low noise circular cooling tower

Ultra low noise cooling tower is a series of noise control measures on the basis of low noise cooling tower. The standard point noise level is lower than the corresponding low noise type low to 5dB (A). It is suitable for more stringent noise requirements, for example: hotels, hospitals, public buildings and residential areas closer to the occasion. It is based, piping, motor power and low noise type cooling tower the same cooling water and air volume and low noise cooling towers of the same.
Industrial type high temperature cooling tower, temperature drop is generally 10-25 degrees. This type increases the tower diameter, air volume, wind pressure, power, packing height and a series of measures. It is suitable for the cooling water temperature drop of industrial water. Industrial type tower thermal performance of this design is rich, please don't leave room in the selection. The following code example: DBNL3, meaning a type 100: a D low noise; B glass steel; N a counterflow cooling tower; L-; 3 a third remodel design; 100m3/h 10O a nominal flow standard conditions; GBNL3 - 100 type: G industrial type middle and high temperature drop; CDBNL3 100 type: CD is a super low noise type; the other.
Selection and use
The selection of water inlet temperature of T1, Q for T2, the water temperature and the design of wet bulb temperature by determined models based on thermodynamic performance curve.
On the cold resistance of materials - that can be applied to a 50 DEG C area, but for the lowest temperature is below 10 DEG C, the order should be put forward requirements of anti icing measures, the factory can be equipped with water diversion ring, so the water does not flow to the blinds.
The circulating water turbidity is not greater than 50 mg / L, the short term is not greater than 10O mg / L, not containing oil and mechanical impurities, take out algae and water quality stability measures when necessary.
The basic installation diagram for reference. The inlet and outlet of the tower in the direction of the tower, the horizontal position of arbitrary, but do not touch the foundation, based in the middle, the load should be running the 25%, the remaining 75% by the external rectangular foundation bear an average, if installed on the roof, the additional pressure caused by wind load should be considered.
The cooling tower - type is less than 125, outside connection water pipe connected with the cooling tower should be located support, to prevent too much weight on the tower wall.
The cloth pipe nominal flow hole, such as the actual content and the nominal flow rate difference of + 15% above, when ordering instructions by the manufacturer to change the size of holes. The inlet water pressure of the tower is about 2 meters to 5 meters. Design when the pressure should not be too high, or flow through the general assembly floating water.
- this product is suitable for the water temperature does not exceed 60 degrees, such as more than 60 DEG C, stating the order, the factory can meet the requirements.
The 80 type of cooling tower fan, blade angle can be adjusted, but to ensure the preparation when the same perspective, current does not exceed the rated current of the motor. Each type of fan can be inverted to eliminate ice during a short period of time. Therefore, in the serious freezing area, should set the reversible magnetic starter button should be installed in the vicinity of the cooling tower. "Blade method see cross flow type glass steel cooling tower manual".
The cooling tower at startup must first open the pump, after the opening of the fan, do not allow in the absence of water under the condition of the fan operation. Because the cloth is arranged on the water pipe water collecting plate, if the blower is started without water, the water distributor reversed water collecting plate from scraping filler, the filler and scrape out the wind or water distribution pipe is bad, therefore, the cooling tower starts, we must first open the pump, after the opening of the fan. Stop working, should first stop the fan, after the water pump.
When the user needs in the cooling tower in the tower under the direct water, need to install the automatic water supply pipe "," rapid to water "and" drain ", especially when ordering can be put forward.