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What is Glass fused to steel tanks?GFS bolted tank is made of glass fused to steel plate, special sealing material, self-locking screw and other materials. The thickness of enamel steel plate can reach to 20 mm, the most used steel plate thickness is 3~10 mm, steel plate has surface oil, contain rust, contain oxide skin, after shot blasting, sand and other pretreatment process, the steel plate surface will be clean. After 900 ºChigh temperature second enamelingl in electric furnace ,0.3 mm enamel coating is applied on both sides of steel plate. strong binding force between enamel coating and steel plate. Enamel coating can not only prevent tank corrosion, but also has the function of strong acid and alkali resistance. And has extremely strong wear resistance.
Glass-fused-to-steel Tank refer to glass-lined storage tanks, also known as some GFS storage tanks.
Glass is melted with steel to enhance its performance.
Fusion is important because it is single steel, and it is the same for the environment.
When the fusion of steel and glass is completed, the strength increases and the wear resistance decreases, as does the suitable pH value scaffold for alkaline solution.
Such ponds are generally considered to be one of the important components of environmental technologies, such as anaerobic digestion tanks, wastewater treatment and fireproof storage.
They are industrial water storage tanks.
The glass fused on the stainless steel tank panel is coated with glass enamel inside and outside.
The enamel has a strong, bright, smooth silicate coating.
GFS tank has very good anti-corrosion performance, extremely strong acid and alkali resistance, PH1-14 applicable, beautiful and elegant appearance, convenient for later maintenance. It is widely used in biogas engineering, biomass natural gas engineering, animal husbandry sewage, industrial wastewater, etc. It is suitable for each treatment process such as CSTR, USR, UASB, A/O, integrated device, etc.
Glass Fused-To-Steel Water Storage Tanks Specifications
| Coating color | Dark blue, Dark green , White, and customized |
| A standard steel plate size | effective size 2400mm x 1200 m |
| Steel plates thickness | 3mm - 12mm , depends on the diameter & height |
| Coating thickness | 0.25mm - 0.4mm, two coating internal and external |
| Acid and alkalinity proof | standard coating suits for PH3 - PH11, special coating suits for PH1 - PH14 |
| Adhesion | 3,450N/cm |
| Elastic | same as steel sheet , around 500KN/mm |
| Hardness | 6.0 Mohs |
| Service life | >30 years |
| Spark/Holiday test | >1500 V |
| Permeability | gas and liquid impermeable |
| Easy yo clean | smooth, glossy, inert, anti-adhesion |
| Corrosion resistance | excellent ! Suitable for waste water salt water, sea water, high sulfur crude oil, salt fox, organic and inorganic compounds |
Glass Fused-To-Steel Tank Applications:
There Are Several Advantages to Using a GFS Bolted Tank:
Advantages of GFS bolted tanks
Compared with concrete or carbon steel welded tanks, the advantages of GFS Steel bolted tanks are listed below:
Low Cost
The installation, disassembly, migration, and resettlement of GFS bolted Tanks are convenient and fast, and do not require a large amount of labor and large installation equipment. The quality is stable and the corrosion resistance is excellent, so the maintenance cost is very low. Carbon steel welded tanks and concrete tanks are installed on-site and usually involve sealing and waterproofing, long installation intervals, and the installation process are easily delayed due to bad weather (such as rain or wind), resulting in high installation costs. In some cities, there may be restrictions on the use of sealants, resulting in delays or high installation costs. GFS tanks are more convenient and environmentally friendly without on-site finishing.Superior Corrosion Resistance
After the enamel steel plate is sintered at a high temperature of 820°-930°, the enamel will fuse with the surface of the steel plate to form a strong chemically inert inorganic coating, which has superior corrosion resistance.Short Construction Period
The Glass-Fused-to-Steel is standardized in the factory and is packaged and transported to the construction site for assembly. The steel plate is spliced by a bolt connection and has special installation tools for installation. The installation process is less affected by the weather and the installation cycle is easy to control.Freely Expandable
Compared with concrete or carbon steel welded tanks, the GFS tank has unmatched expandability. If it is necessary to expand the tank capacity in the future, the GFS tank can be easily expanded with minimal material and labor input. Since the Glass-Fused-to-Steel bolted tanks are constructed of modular enamel steel, only more enamel steel is needed and the time to reconfigure and expand existing tanks is required.
Beautiful Appearance
The surface of Glass-Fused-to-Steel bolted tanks is smooth and sleek, the standard color is dark blue, bright and beautiful, and any other colors can be customized according to the user's requirements.
Comparison of GFSTank and other tanks
| Item | Concrete Tank | Carbon steel tank | GFS Tanks | LIPP tank |
| Beautiful degree | Low | Low | High | High |
| Temperature adaption | A stress | Adapt to low temperature | Adapt to low temperature | Adapt to low temperature |
| Shape | Any shape | Round shape | Round shape | Round shape |
| Ground Or underground | Both | Ground | Both | Ground |
| Corrosion resistance | Normal | No resistance to corrosion | Good | Not |
| Abrasion resistance | Good | Bad | Good | Bad |
| Easy to clean | Bad | Bad | Good | Normal |
| Easy to repair | Normal | Good | Good | Bad |
| Weight (T) | Heavy | Little heavy | Light | Little light |
| Tank cost | Middle | High | Low | Low |
| Tank temperature protect | No | Need | Need | Need |
| Anti-corrosive Treatment | No | Need | No | Need |
| Annual anti-corrosive cost | No | High cost | No | High cost |
| Corrosion resistance | Normal | No | Superior | Normal |
| Abrasion resistance | Good | Bad | Good | Bad |
| Service life | 30 | 10 | 30 | 25 |
Glass Fused-To-Steel Tanks production procedure:
Roofs option:
1.Glass-Fused-to-Steel-Roof
air-tightness,often utilized for pressurized structures and provide a suitableoption for odour control
cone shape roof with external / internal beams
viable solution for demanding applications
2. Aluminum Alloy Trough Deck Roof
. economical option for potable water, waste water, and firewater storage etc.
. keep out rain and wind, odour control
.without air-tightness
3. Aluminum Geodesic Dome Roof
self-support without support columns
without air-tightness
4. Double Membrane Roof
superior option for anaerobic digestion processes andbiogas applications
air tightness, utilized for biogas collection and odour control
integrated AD tank with the cover on top, cost effective
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