UV disinfection equipment ->waste water treated equipment

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GuangZhou SiLv Environmental Protection Engineering Co,. Ltd

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UV disinfection equipment

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Machinery on-line->water treatment machine->waste water treated equipment

Product Specification

Model No:	SL-UVM5000A

Country	CN
Brand	SiLv
Size	a set

Product Detail

A subsection of technical specifications of UV disinfection equipment
（1）design parameter
* Working medium: drain water out of sewage plant after secondary treatment, flocculation and filtration;
* Installation requirement: Ultraviolet lamps are lay in disinfection cadals in horizontal and downstream way;
* Power supply: voltage/frequency/phase, 380V±5%/50HZ/3 or 220V±5%/50HZ/1;
* Daily handing capacity: 5000m3/d, peak flow is designed by 7000 m3/d;
* Variation factor: K=1.4;
* Water indicator: SS≤10mg/l;
* Group number of fecal coliform of water inlet＞107/L;
* Ultraviolet transmittance 254nm≥65%;
* Lifetime of lamp≥12000h;
* Group number of fecal coliform of effluent water ≤1000个/L;
* Effective UV biological test dose＞20mJ/cm2;
* Degree of protection: overwater component: IP65, underwater component: IP68.
（2）description on main performances of equipment
* Ultraviolet disinfection system which meets the group number of fecal coliform is not more than 1000/L.
* UV system uses low pressure high output mercury lamp to ensure that when the peak flow and UV transmittance is 65%, system can realize the effective UV dose is no less than 20mJ/cm2 untill the lifetime of lamp is over.
* System still can continue disinfecting when replacing ballast and cleaning quartz socket tube.
* Water level control.Attaching to UV disinfection system,water level control device controls and maintains constant water level.the liquid level fluctuation of peak flow and the minimum flow(average flow is 70%) is not more than 50mm.
* Cleaning method.UV disinfection system is open canal, adopting a horizontal installed modular structure with automatic mechnical cleaning system.
（3）structure and material
* Ballast sealing box is made of stainless steel,other underwater metal components are stainless steel over grade 316,overwater metal components are stainless steel over grade 304.
* All cables which expose to ultraviolet light use Teflon paintcoat.
* All cables which connect with ultraviolet lamp and ballast seal in ultraviolet module assembly, not exposed to sewage.
（4）module assembly of UV lamp
* Each UV module assembly comprises ultraviolet lamp、annular tubes、lamp holder and online automatic mechanical cleaning system installed inside.
* Each lamp is arranged in a single quartz socket tube.
* The close end is fixed on the frame through O-shaped ring so that quartz socket tube does’t contact with any steel in the frame.
*Both ends of quartz socket tube don’t protrude both sides of the steel structural part of the ultraviolet lamp module frame.
* Cables which connect with lamps seal in the 316 stainless steel and have waterproof protection.
* Electronic ballast is separated with outside.Ballast is centrally installed in the cabinet.It adopts built-in air conditioner instead of mechanical ventilation cooling.
* It is convenient for plant operation staff to replace lamps and quartz socket tubes, which is taken into consideration when designing UV lamp module.
* Each module can be lifted alone when replacing lamp and quartz socket tube.
* Ultraviolet module assembly contains UV intensity sensor.
* Cables which connect with lamp end in electronic ballast of the top of the module frame.
* Underwater parts of each UV lamp module assembly reach IP68 sealing level.
（5）ultraviolet lamp
* The arrangement of lamps guarantees that all lamps are parallel to each other and are evenly arranged.
* All lamps and lamp electrodes should be completely submerged in sewage.
Lamps are cooled naturally by sewage to ensure work in equal temperature.
* Lamps are low pressure high intensity UV lamp.Preheating treatment can increase lamps’ service life.
* Lamps generate zero ozone.Single lamp is 253.7nm and UV energy conversion is no less than 35%.single ultraviolet lamp is 254nm and UV energy output is more than 105W.
* Filament of lamp adopts clip-on design.It is quakeproof.
* The warranty lifetime of lamp is 12,000h.Output intensity of ultraviolet light is no lee than 80% of output power of new ultraviolet lamp when reach 12,000h,namely the aging factor of the lamp is no les than 0.8.
* Output intensity of each ultraviolet lamp is 50% to 100%.
* Time intervals between two consecutive start and stop needn’t long cooling time(10～30 minutes).It can restart in a short time period.
* Without sewage inflow in open canal,ultraviolet lamp still can normally run for 10 minutes without causing damage to the lamp.
* Lamp model : GPHHA1554T6L
* Manufacturer : LightSources.INC
* Lamp production: USA
（6）lamp end seal and lamp holder
* Open end of quartz socket tube is made of ASTM316 stainless steel nut,steel sleeve and pressed type O-shaped ring to form a seal, with protection degree of IP68.
* Quartz socket tube nut has knurled surface for manual holding while fastening.It needn’t any auxiliary tools when removing the nuts.
* Lamp is fixed with a PVC die casting lamp holder and have double seal.The second seal in the lamp holder seals and separates the lamp from UV module and other lamps in the module.
* When quartz socket tube is broken, double seal in lamp holder can prevent water coming into lamp module frame and invade line connection of other lamps.
* Lamp holder has anti-ultraviolet PVC die casting to avoid quartz socket tube contacting with steel sleeve.
（7）quartz socket tube
* Quartz socket tube is open at one end,the other end is naturally closed.
* One end of quartz socket tube is round-shaped and closed, nominal thickness of the tube wall is no less than 1.5mm.
* UV transmittance of quartz socket tube is no less than 90%.
* Protection degree: no less than IP68
* Tube production: USA
（8）ultraviolet lamp module assembly holder
* The entire holder is 304 stainless steel and hung above the open canal.It is not necessary to fasten and fix all the ultraviolet modules
* The entire holder has a device which can prevent ultraviolet leakage and prevent ultraviolet radiating to the open canal when accidents happen.
* It is convenient to lift the entire module.
（9）water level control system
* Water level control system is put at the end of the drainage outlet.Its design can maintain constant water level when maximum flow and minimum flow pass through.
* Water level controller is made of ASTM316 stainless steel and other corrosion resistant material.
* This system can maintain the changes of the lowest water level and minimum water level.It can keep lamps fully submerged within the change.
* The water head of the entire system is not more than 500mm.
* The maximum change of the water level is not more than 5cm.
* Water level control system can adjust when flow fluctuate in a large range and still keep open canal maintaining the lowest level which submerges all the lamps to avoid damage.

（10）low water level sensor
* Each open canal comprises a low water level sensor.When UV system is operated manually,automatically and remotely,it ensures that lamps are automatically extinguished while water level in canal is below the normal level.
*Water level signal can output remotely and check conveniently.
（11）pneumatic system
* Providing all parts of the pneumatic system which supplys power to an automatic cleaning system.
* This system comprises a compressor,a gas tank,a gas distribution system and other pneumatic actuator assembly to clean quartz socket tube.
（12）circuit part
* Each ultraviolet lamp module transmits electricity from distribution center through bus bar.It contains a grounded probe/ fuse delay circuit boards and water joint.
* Each ballast drives a lamp.The power factor of ballast is no less than 98%.
* The maximum power of UV system (including lamp group and distribution system, control system or other requisite auxiliary equipments) assembly machine is 10.73kw.
* Our company completes wiring between lamps and ballast.
* Our company provides all cables and tubes which connect lamps and ballast.
*Power supply parameters of control center of each system are 220V, one-phase-two-wire,1200VA
* It dosen’t need external exhaust cooling system to cool circuit board of the control panel and the ballast.
* Ballast can apply to the process of treating interval effluent water.Ballast can start at intervals, which is not easy to burn down.
（13）detection system of ultraviolet light intensity
* Ultraviolet sensor soaking in water can monitor the intensity of ultraviolet light of module group at any time.
* Sensor only detects the part of UV light sterilization band.The detection system is corrected before leaving the factory.

（14）technical performance of random electronic control cabinet
* Controlling the start of UV disinfection system, meanwhile, monitoring the running condition of UV disinfection system.
* Having the protection requirements of overload, default phase and short circuit.
* The starting method of electric machine with power ≥22kw is soft starting, otherwise it is direct starting.
* Voltmeter,ammeter,start-stop button,emergency button,remote PLC/local PLC,manual operation/automatic switch and signal lights of open,stop and breakdown.
* Having communication interface with spot PLC control unit bus
* Having functions of protection when temperature is too high, protection in low water, alarm when fault is clear and alarm when lamp is broken-down.

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