Sandwich Panels Wall Panel Boards Products

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Qingdao
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TT OR LC
Min Order Qty:
900 m²
Supply Capability:
10000 m²/month

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Product Description:

Sandwich panel is composed of 2 layers of PPGI ( prepainted galvanized iron) and rigid polyurethane foam which is good fireproof and heat insulation materials. 

 Sandwich panels are widely used as various roofs and walls referring to the large-size factory buildings, storages, exhibition halls, gymnasiums, cold storage panel, purifications workshops, etc, which features temperature keeping, heat insulation, weightbearing, weatherproof with the rich colorfulness and good appearance.

Effective width

1000mm

Thickness 

Normal: 50mm, 75mm, 100mm, 150mm, 200mm. Please free to tell us if any special requirements. 

Length

According to customer's request, normal less 11.8m

Structures 

PPGI + rigid polyurethane foam +PPGI

The Density polyurethane foam

42kg/m3

Normal color 

Blue, red, white gray,

Character

Light in weight, heat insulation, water resistant, green and environmental

Use

various roofs and walls referring to the large size factory buildings, storages, exhibition 

Sandwich Board is a kind of light-weight fire-proof decoration wall board both for indoor & outdoor, having colorful solid rock grain, and the feature of fire-proof, water-proof, weather endurance.

 

Sandwich wall board is widely used for inner and outer wall decoration in residential buildings, office buildings, mansions, restaurants, hotels, coffee shops and all sorts of business sites. Indeed, it is the most fashion material for decoration in modern times.

 

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Q:The working principle of ceramic filter
Based on the work principle of ceramic filter function of the capillary, by using porous ceramic as filter media, a large number of small capillary action with solid-liquid separation equipment design principle using microporous ceramic disc filter in negative pressure, working conditions, characteristics of the microporous ceramic filter plate with its unique water impermeable, extraction of ceramic filter plate and external vacuum cavity the differential pressure tank suspension material under the action of negative pressure adsorption in the ceramic filter plate, solid material can not through the microporous ceramic filter plate is retained on the surface of the ceramic plate, and the liquid due to the hydrophilic effect of vacuum pressure difference and the ceramic filter plate is passed into the gas-liquid distribution device (vacuum barrel) efflux or recycling so as to achieve the purpose of solid-liquid separation.
Q:What is the filtration accuracy of 50nm ceramic membrane?
The filtration accuracy is the maximum particle size that the membrane can pass through.
Q:The efficiency of ceramic filter is low. What's wrong with it?
Ceramic filter by vacuum suction effect in the ceramic filter plate to cake drying purpose, ceramic filter plate needs cleaning and life, if you discover that the slurry sucking effect is poor or even grout should first consider these three aspects:Ceramic filter plateTwo factors of ceramic filter plate most likely, respectively is the rupture and plugging holes: the rupture will lead to distortion and poor vacuum cleaning; plugging holes will cause the filter plate suction effect is poor even if grout, ceramic filter plugging hole, can strengthen cleaning (such as shorten the cleaning cycle, prolong the cleaning time, increase the amount of nitrate), such as strengthening the cleaning effect is still not improved, it should consider the life approaching should be scrapped and replaced with ceramic filter plate new (replacement plate should not put new or different manufacturers is mounted on the same line, best can complete change).Vacuum system failureThe vacuum degree of ceramic filter is usually about -0.085MPa. If the abnormal vacuum is found, the normal vacuum suction can not be provided, and the suction effect will be poor, or even the pulp will not be sucked.If the vacuum is abnormal, should adhere to the vacuum pump, vacuum connection pipe is whether the fault Water Leakage leakage, distribution valve friction sealing, ceramic filter plate is connected with the rubber tube is aging or exfoliation, ceramic filter plate rupture.
Q:What filter material are placed in the aquarium filter?
Submerged in water. Submersible pumps and filter cotton (often replaced by sponge) installed in one, and some brands will also be installed heaters, which become multi-purpose fish farming equipment. When working, the water is absorbed into the filter in many directions, and the filtered water is returned to the water tank by other means. This filter because of its low price and popular beginners of all ages, but the effects from the use of view, only suitable for small fish density, on the flow and filtration requirements are not high, a small aquarium, "fish" will be built in filter (especially the heating function of the filter for seedling and foster) water tank. The effect is very good. The biggest disadvantage of this device is that when it stops working, a lot of dirt stuck to the filter runs back into the water.
Q:What is the backwashing pressure of the ceramic filter?
Ceramic filter is a kind of solid-liquid separation, dehydration drying equipment, such as dehydration pulp, mortar. The backwash of ceramic filter is to flush the filter medium (ceramic filter plate) with clean water with a certain pressure.
Q:The vacuum degree of the ceramic filter is normal and the cake water is large
The vacuum degree of the ceramic filter is normal at about -0.08MPa. Under normal circumstances, the water content of the filter cake treated with a ceramic filter is about 10%, and the moisture content of the tail filter cake is about 15%. The water content of the filter cake increases with the increase of water content in the ceramic filter. I analyze the reasons from two aspects.
Q:Ceramic filter suddenly do not smoke, a little later on their own good, what reason?
The size of ceramic filter is generally on both sides of the vacuum tank, such as 50 square meters with 5 square meters of ceramic filter / ring ceramic filter plate combination (possible), there are 10 discs, the ceramic plate left a vacuum tank on the left of the 5 disc for filtration, vacuum filtration tank for the ceramic plate on the right right of the 5 disc. If a vacuum system temporarily fails, it may cause poor suction, no suction, and a normal operation at the other end.
Q:Beneficiation ceramic filter no problem, the technical parameters are normal, but filter out the concentrate water suddenly excessive, what is the reason?
First, the fineness of the material, resulting in the filter board filter cake moistureTwo, the vacuum can not reach, in the circumstances, whether the vacuum pipe leak
Q:The ceramic filter plate is broken. What will happen to the vacuum pump?
At this time, take the filtrate (this is not the first water slurry) will pollute the ceramic filter pipe, friction ring, filtrate pump, may damage the vacuum system, remaining in the pipeline in the pulp will recoil pressure under the action of pollution caused by the other ceramic plates, ceramic plates blocked him. Once the ceramic plate is broken (depending on the severity), it will make the vacuum distortion, resulting in ceramic filter suction effect worse or even no suction!
Q:What are the reasons for the program alarm of ceramic filter?
If that is the ceramic filter tank body of the slurry concentration is diluted, has nothing to do with the ceramic filter itself, can think of ways to enter the ceramic filter tank before the slurry concentration increased, thereby improving the dewatering efficiency of ceramic filter.

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