Product Details

Ultraviolet disinfection principle

Ultraviolet (UV) rays are classified into four types based on their biological effects: UV-A (320-400nm), UV-B (275-320nm), UV-C (200-275nm), and vacuum ultraviolet. For water treatment, only the UV-C range is used, and within this band, UV rays around 260nm have been shown to be the most effective at sterilization.

The Guanyu UV disinfection device combines knowledge from multiple fields, including optics, microbiology, mechanics, chemistry, electronics, and fluid mechanics. It uses a specially designed, high-efficiency, high-intensity, and long-lasting UV-C light source to produce powerful UV-C radiation, which is directed at flowing water.

When bacteria, viruses, and other microbes in the water are exposed to a specific dose of UV-C light (at a wavelength of 253.7nm), their cellular DNA and structures are damaged, making it impossible for them to reproduce. This process disinfects and purifies the water.

Moreover, UV light with a wavelength of 185nm can break down organic molecules in water, creating hydrogen free radicals. These radicals then oxidize the organic molecules into carbon dioxide, effectively reducing total organic carbon (TOC) levels.

Advantages

High efficiency sterilization rate

When disinfecting bacteria and viruses, ultraviolet light achieves a 99%-99.9% sterilization rate, and this process takes only one to two seconds.

Broad spectrum of sterilization

The broad spectrum of ultraviolet sterilization is the highest at present, and it has a high efficiency killing effect on almost all bacteria and viruses.

No secondary pollution

Ultraviolet sterilization requires no chemical additives, so it avoids secondary pollution to water and the surrounding environment and leaves the water’s composition unchanged.

Safe and environmentally friendly

Traditional disinfection methods like chlorination or ozonation rely on disinfectants that are highly toxic and flammable, but ultraviolet disinfection systems are free from these safety risks.

Emphasizing economic benefits

With a compact design, simple installation, and minimal total investment, ultraviolet disinfection equipment is economical. Specifically, its operating costs are 50% lower than those of chlorine-based disinfection.

Features of Guanyu UV Sterilizer Disinfection Equipment

1. Imported Lamps: High Efficiency & Longevity

Equipped with imported Philips UV light sources, the device features high-intensity output, high conversion efficiency, extended lifespan, reliable performance, and consistent sterilization efficacy.

2. Custom-Designed Ballast

The electronic ballast, specially tailored for this equipment, offers stable performance, high compatibility, strong adaptability, long service life, and comprehensive protection functions.

3. Imported Quartz Sleeves

Crafted from pure imported Pacific quartz, these sleeves ensure high UV transmittance (over 93%) and sterilization efficiency, with excellent compatibility and light transmission.

4. Premium Stainless Steel (316/304)

Using pharmaceutical/food-grade 316 (304) stainless steel from top brands, the product’s custom plates and pipes undergo laser cutting, drilling, and processing. This ensures uniformity, consistency, interchangeability, sleek appearance, high precision, minimal errors, and easy, efficient installation—saving time and labor.

Technical Parameters

The inactivation effect of ultraviolet disinfection on microorganisms in water

Type	Name	Time required for 100% killing (seconds)	Type	Name	Time required for 100% killing (seconds)
Bacteria	Anthrax Bacillus	0.30	Bacteria	Tuberculosis (mycobacterium) bacillus	0.41
	Corynebacterium diphtheriae	0.25		Vibrio cholerae	0.64
	Clostridium tetani	0.33		Pseudomonas	0.37
	Clostridium botulinum	0.80		Salmonella	0.51
	Shigella dysenteriae	0.15		Enterobacteriaceae	0.41
	Escherichia coli	0.36		Salmonella typhimurium	0.53
Viruses	Adenovirus	0.10	Viruses	Influenza virus	0.23
	Bacteriophage virus	0.20		Polio virus	0.80
	Coxsackie virus	0.08		Rotavirus	0.52
	Echovirus	0.73		Tobacco mosaic virus	16
	Echovirus type I	0.75		Hepatitis B virus	0.73
Mold spores	Aspergillus niger	6.67	Mold spores	Soft spores	0.33
	Aspergillus spp.	0.73-8.80		Penicillium	2.93-0.87
	Fecal fungus	8.0		Toxigenic Penicillium	2.0-3.33
	Mucor	0.23-4.67		Other Penicillium species	0.87
Algae	Blue-green algae	10-40	Algae	Paramecium	7.30
	Chlorella	0.93		Green algae	1.22
	Nematode eggs	3.40		Protozoa	4-6.70
Fish diseases	Fung1 disease	1.60	Fish Diseases	Infectious Pancreatic Necrosis	4.0
Fish diseases	White Spot Disease	2.67	Fish Diseases	Viral Hemorrhagic Disease	1.6

Common bacteria UV disinfection various sterilization effects required dosage

Product Name\Dosage	90%	99%	99.9%	99.999%	99.9999%
Product Name\Dosage	Dose(uw.s/cm²)	Dosage (uw.s/cm²)	Dosage (uw.s/cm²)	Dosage (uw.s/cm²)	Dosage (uw.s/cm²)	Dosage (uw.s/cm²)
Escherichia coli	3000	4800	6600	10500	15000
Salmonella	2700	4100	5500	7100	8500
rotavirus	9100	19000	26000	36000	48000

Dosage required for ultraviolet disinfection of bacteria and microorganisms (99.9% sterilization effect)

Product name\dose	99.9%	Product name\dose	99.9%
Product name\dose	Dose (uw.s/cm²)	Product name\dose	Dose (uw.s/cm²)
BACTERIA (bacteria)		MOLD SPORES (mold spores)
Bacillus anthracis	8700	Aspergillus flavus	99000
Bacillus	2500	Mucor multibranching	35200
Bacillus subtilis	11000	VIRUSES(virus)
Bacillus subtilis	22000	Escherichia coli phage	6600
Tetanus bacillus	22000	Bacteriophage	6600
Diphtheria Corynebacterium	6500	Enteritis Virus	8000
Escherichia coli	6600	Cold Virus	6600
Micrococcus sphericalus proteinaceous	15400	Poliovirus	6000
Mycobacterium tuberculosis	10000	Cryptospordium	19000
Salmonella enteritidis	7600	Staphylococcus faecalis	10000
Shigella dysenteriae	4200	Streptococcus	3800
Staphylococcus aureus	6600	Vibrio cholerae	6500

Optimal use conditions for UV sterilizer

Iron content

Not more than 0.3ppm (0.3mg/L)

Suspended solids

Not more than 10 ppm (10 mg/L)

Water hardness

Not more than 120 mg/L

Water temperature

5℃~60℃

Hydrogen sulfide

Not more than 0.05 ppm (0.05 mg/L)

Manganese content

Not more than 0.5ppm (0.5 mg/L)

Chroma

Not more than 15 degrees

Application range of ultraviolet disinfection device

Disinfection of water for food, beverage, pharmaceutical, fruit deep processing, etc.

Ultrapure water for electronic industry, field water supply system for military camps

Disinfection of water for hospitals and laboratories, wastewater with high pathogen content

Disinfection of drinking water for residential areas, office buildings, hotels, water plants, etc.

Aquaculture, marine aquaculture, freshwater seedling cultivation, purification and disinfection of aquatic processing, etc.

Disinfection of urban sewage, reclaimed water, landscape water

Disinfection of water for swimming pools and water parks

Disinfection of cooling water for thermal power, industrial production, and central air conditioning system

Disinfection of water for biological, chemical pharmaceutical, and cosmetic production

Disinfection and purification required for high-end environments such as agricultural breeding, agricultural greenhouses, and agricultural irrigation

Factors affecting the effect of UV sterilization

UV transmittance (UVT)

The important factors affecting the effect of UV sterilization are the UV transmittance (UV transmission) of the sterilization medium (water) or the medium absorbance (absorbance). The transmittance of UV and the absorbance of the medium are affected by factors such as dissolved organic matter, inorganic matter and undissolved suspended matter in the water.

Total suspended particles (TSS)

The effect of suspended particles on the sterilization effect of UV is also very obvious. Suspended particles can absorb and reflect UV rays, thereby preventing UV rays from irradiating the DNA of bacteria and viruses. In addition, suspended particles will also accelerate the scaling and contamination of the quartz sleeve, thereby affecting the sterilization effect.

Particle size

The size of particles in the water has a great impact on the effect of UV sterilization, because large suspended particles will form shadows and dead corners for protecting bacteria and viruses. Usually, the effluent from the secondary sedimentation tank is more conducive to UV sterilization, and the average size of suspended particles in the water should be less than 30um.

Exposure time

The exposure time is related to the flow rate. When designing a UV system, it is generally designed according to the peak direct flow rate. The smaller the flow rate, the longer the exposure time, and the system has a greater effective dose.