Storage Tank Accessory

Transcription

1 Storage Tank Accessory Rotary Jet Mixer NeoTechKorea

2 Contents 1. HISTORY 2. PRESSURE / VACUUM RELIEF VALVE 3. FLAME / DETONATION ARRESTER 4. EMERGENCY VENT COVER EXPLOSION VENTING SYSTEM 5. N2 BLANKETING SYSTEM SLOT DEEPING & SAMPLING DEVICE GAUGE HATCH / FLAME TRAP ASSEMBLY 6. FLOAT CHECK VALVE FOR FLOATING ROOF DRAIN SWIVEL JOINT FOR FLOATING SUCTION & OIL SKIMMER 7. STEAM JACKETED PRODUCTS SPECIAL PRESSURE & VACUUM RELIEF VALVE 8. ROTARY JET MIXER

3 History THE ACQUISITION OF THE ISO CERTIFICATION (ISO 9001) ROTARY JET MIXER GBR-T700 DEVELOPED P.V.C / P.P PRESSURE & VACUUM RELIEF VALVE AIR RELEASE VALVE (WATER PLANT OPERATOR) VACUUM BREAKER (WATER PLANT OPERATOR) LIQUID SEAL TYPE PRESSURE & VACUUM RELIEF VALVE FLAME TRAP ASSEMBLY N2 BLANKETING SYSTEM- SLOT DEEPING & SAMPLING DEVICE CENTRAL TYPE SWING JOINTS PRESSURE / VACUUM RELIEF VALVE ( BREATHER VALVE ) FLAME ARRESTEREMERGENCY RELIEF VALVE- GAUGE HATCH GORYEODNP ESTABLISHMENT Annual Development & Products

4 STORAGE TANK DESIGN 1.TO HOLD LlQUID Liquid exerts pressure on the sides and base of the tank. The pressure is equal to the height of liquid. 2. TO BE FILLED For Iiquid to get in, air and vapor must get out. If they can t the tank will be pressurized. For air and vaporto be pushed out, the pressure in the tank must be slightly above atmospheric pressure. The tank is designed for an internal pressure of 8 in. water gage(wg) 3. TO BE EMPTIED For liquid to get out, air must get in. lf it can t the tank wiii be undelpressured. For air to be sucked in, the pressure in the tank must be slightly below atmospheric pressure. The tank is designed for an external pressure (or vacuum in the tank) of 2½ in. WG. FILLED EMPTIED

5 SIZING A PRESSURE / VACUUM RELlEF VALVE - venting capacity is obtained without exceeding pressure or vacuum that would cause physical damage or permanent deformation to the tank. The following wiii help in sizing a pressure/vacuum valve: in-breathing or out -breathing. 3. ALL TANKS : generally require the sizing of a normal pressure and vacuum relief valve to be sized and an independent emergency relief valve to be sized separately. 4. FLOW CURVES : these curves provide pressure and vacuum capacity which is required for sizing PRESSURE!VACUUM RELlEF VALVE SETTING API2521 inch pressure or vacuum. Test data indicate that an increase of 1 oz. per sguare inch in the pressure set point over the usual ½ oz. per square inch reduces breathing losses by approximately 7 percent. However, the test data indicate that each additional increase of 1 oz. per square inch in pressure set point reduces the breathing losses in progressively smaller incerments. API2513 The pressure and vacuum setting of a breather valve are dictated by the structural characteri stis of the tank and should be within safe operating limi ts. A cel1ain amount of pressure and vacuum beyond this can best be determined by reference to API STD 2000 : Venting Atmospheri c and Low - Pressure Storage Tanks (1992) and to the manufacturers tank data determined in accordance with this publication. The pressure setting for pressure/vacuum valves to be in stalled on large tanks ly is limited to ½ oz. because roof plates will start to shift when the press ure rises much above 1 oz.

6 Brether Valve The pressure / vacuum vlave is a protection device mounted on a nozzle opening on the top of a fixed roof atmospheric storage tank. Its primary purpose is to protect the tank against rupturing or imploding. Without an opening or tank would rupture under increasing pressure caused by pumping liquid into the tank or as a result of vapor pressure changes caused by severe thermal changes. Imploding, or the collapsing of a tank, occures during the pumping out procedure or thermal changes. As the liquid level lowers, the vapor space pressure is reduced to below atmospheric pressure. this vacuum condition must be alleviated through a controlled opening on the tank. In short, the tank needs to breathe in order to eliminate the posiibility of rupturing or imploding. Because of its primary function, a When the set pressure is reached, the pressure pallet lifts and relieves to atmosphere. (or to a header if it a pipe away valve) out), the pressure pallet is held shut by atmospheric pressure. When the vacuum setting is reached, the pallet lifts and air is drawn in from the atmosphere. Pressure Relief Vacuum Relief

7 NB10 NB10B : Spring Loaded Type NB 11 NB11B : Spring Loaded Type NB 12 NB12B : Spring Loaded Type NB 13 NB13B : Spring Loaded Type

8 NB14 NB14B : Spring Loaded Type NB15 NB15B : Spring Loaded Type PVC TYPE

9 Air Release &Vacuum Breaker The Float ball type AIR RELEASE & VACUUM BREAKER, model GB17, wasdesigned, manufactured and tested for allowing atmospheric air through the valve to rapidly displace draining liquid in the pipeline and prevent internal negative pressure damaging the arrangements potentially. condition. The volume rate of venting depends upon the pipe size, the pumping rates and the temperature. Refer to API Standard 2000 for the procedures to determine venting requirements. VALVE OPEN VALVE CLOSE NB17A NB17B

10 Flame ArresterValve when the flash point of the stored product is lower than the possible pressure,vacuum valve is installed on top of the flame arrester. A flame arrester is also used as in-line safety device where combustible gases are transported through low pressure pipe lines to actual combustion, as in an incinerator or flare or where combustion fumes are vented through Iines. In order to accomplish the above, a flame arrester must act as a dissipate heat in order to prevent auto ignition on the down side of the flame arrester. In order to be an eff ective flame prevention device, a fl ame arrester must have a quenching or hydraulic diameter small enough has a different required hydraulic diameter to be able to stop the flame In addition to stopping the flame, an arrester must be able to dissipate an in-line installation, structural integrity is important to insure safety if a detonation should ocucur.proper gasketing to insure an oxygen free arrester meets or exceeds the above mentioned design criteria, it is not a Detonation Arrester

11 NF21 NF22 NF23 NF24

12 Emegency vent cover Emergency valves are required by API on storage tanks in order to protect the tank against excessive pres- - Flashes are generally caused by a chemical reaction in the tank. Regardless of the cause of the excessive pressure, an opening larger than the normal pressure/vacuum valve is necessary in order to carry off the venting my be accomplished by the use of 1. Larger or additional open vents. 2. Larger or additional pressure/vacuulll valves or presure relief valves 3. A gage hatch which perlllits the cover to lift under abnormal internal pressure. 4. A manhole cover which permits the cover to lift under abnormal internal pressure. 5. A connection between the roof and shell which is weaker than the weakest vertical joint in the shell or Ishell to bottom connection(weak roof to shell weld). NE30A NE30B NE31A

13 NE33A Stainless Steel Explosion venting system Explosion Venting System is used where ever ignitable dust materials are stored (Silos,Bunkers etc.) or dust collectors conveyed. In case of an Explosion, the pressure or vented and the vessel or the collector housing protected from adverse effects. or rupture of a building, container or process vessel, created by the development of internal pressure. Explosion venting provides over pressure protection from industrial explosion hazards by providing a planned pathway for the expanding gases to escape. Explosion venting is acceptable when the equipment to be protected is located outdoors or near an outside wall. NE32A Stainless Steel NE32B Stainless Steel

14 N2 Blanketing system The MODEL GN2L blanket gas regulator ensure that a constant gas pressure is maintained in the vapor space of a storage tank. When liquid is removed from a tank or the temperature is reduced, a vacuum would be developed. With the blanket gas regulator, a blanket gas is supplied to prevent any vacuum from developing and to maintain the des ired blanket pressure. In addition to preventing outside air and moisture from entering the storage vessel. The result not only conserves product but also greatly reduces emiss ions. These advantages are in NRS Slot Deeping & Sampling Device Model GDS50 series is used to gaging the height of liquid level, taking temperature and taking samples of liquids held in storage tank without relieving pressure within the tank. It avoids the loss of valuable vapours and exposing the gauger to excessive fumes. NDD50

15 Gauge Hatch Model GH is designed to provide access for product gauging or sampling from liquid storage tank. Placing the foot on the serrated treadle opens the cover to a full 75 to 80, permitting inspection and easy entry for gauging or sampling. NG40 NG41 Stainless Steel Stainless Steel Flame Trap Assemble The Model GFTA is used to protect low pressure - sewage and other facilities where methane gas is valve is closed by the generated heat to stop the in gas lines leading from each digester and gas holder. It is also installed in a line to gas utilization equipment, as close as possible to the source of combustion. GFTA Element and Flame Arrester Stainless Steel C

16 Float Chech Valve for Floating Roof Drain NC511 NC512 Swivel Joint for Floating Suction & Oil Skimmer Model GS501,502 feature a double row of ball bearings to ensure alignment and load carrying ability. - NS501 NS502

17 factured tee and two bronze bushings with o-ring seals the huber staytite swing joint is balanced, leak tight and has no tendency to tilt or pull apart. 2 G to insure sound and leak stationary, bronze bushings which are hydraulically preassure into the yoke. NSJ 2 Steam Jacketed Products NF21J NF12AJ

18 Special Pressure & Vacuum Relief Valve Li quid -seal type pres sure & vacuum relief va lve (GBD70) prevents the discharge of Vapor gas with NBD70 Stainless Steel Storage Tank Accessory Emergency Vent Cover N2 Blanketing System Pressure/Vacuum Relief Valve with Flame Arrester Sampling & Dipping Device Gauge Hatch Swivel Joint Rotary Jet Mixer

19 Rotary Jet Mixer GBR-T700 The principle of this equipment is to prevent the accumulation of sludge on the bottom of the crude oil storage tank using high discharging oil circulating pump, Grdnp rotary jet mixer. The high discharge pressure of jet mixer breaks the sludge into small pieces after which the sludge is decomposed and Oil storage tank The asphalt, tar, wax, etc. in the crude oil deposit on the bottom of the tank while the oil is stored in the tank and these deposits become high viscosity sludge. It is hard to remove the sludge except mechanical crushing or chemical dissolving methods. Due to the oil washing system, all sediments such as rust, scale, mud, sand, etc. in the cargo oil accumulates, many problems occur such as oil loss and reduced storage capacity of tank. Sludge The sludge contains 80-90% of oil and wax which are useful to recycle. Depending on the place of the oil production, oil contains inorganic substances such as sand, mud, iron; sludge containing oil, water, emulsion; organic substances such as oil, wax and asphalt. If these compositions of sludge sediment on the bottom of oil tank, the following problems will occur. - Reduction of tank storage capacity. - Corrosion of tank bottom due to the water in the sludge. - Incorrect gauging of tank. - Increased cost for maintenance, repair and cleaning. - Disposition of sludge when inspecting open tank. DESCRIPTION NOZZLE SIZE SPECFICATION Ø55, Ø70, Ø85, Ø100, Ø115 IMPALLER 15, 30, 45 HEIGHT (H) WIDTH (W) WEIGHT CONNECTION 550 mm 750 mm 200 Kg

20 New Technology Fire Fighting System Name Water Mist Fire Fighting System Model MOB-1W Pump 32 L/min Engine 23HP Tank 100 L Distance 12m Name Water Mist Fire Fighting System Model MOB-1B Pump 32 L/min Engine 23HP Tank 100 L Distance 12m Name Water Mist Fire Fighting System Model MOB-1AT Pump 32 L/min Engine 23HP Tank 100 L Distance 12m Name Water Mist Fire engine Model MOB-1S Pump 32 L/min Engine 23HP Tank 100 L Distance 12m Name Water Mist Fire engine Model MOB-2X Pump 42 L/min:1ea 520L/min:1ea Tank 600 L Distance 16m Name Water Mist Fire engine Model MOB-2B Pump 42 L/min Engine 23HP Tank 600 L Distance 16m

21 Name Water Mist Fire engine Model MOB-2G Pump 42 L/min:1ea 520L/min:1ea Tank 600 L Engine 23HP Name Water Mist Fire engine Model MOB-2M Pump 42 L/min:1ea 520L/min:1ea Tank 1,600 L Engine 23HP Name Water Mist Fire engine Model WFT-P1 Pump 42 L/min:1ea 520L/min:1ea Tank 600 L Distance 16m Name Water Mist Hydrants Model MOB-1AS Pump 42 L/min Engine 23HP Tank 1000L Distance 16m Name Model Flow-rate Pattern Water Mist Fog-Gun GWG ~30 L/min Mist,Jet,Jet+Mist Name Model Flow-rate Pattern Water Mist Fog-Gun GWG ~120 L/min Mist,Jet,Jet+Mist

22 Demonstration Fire Type Class A,B Place DaeGu Fire Expo Digestion Time 3min The amount of water used 80L Year 2008 Fire Type Class A,B Place DaeGu Fire Expo Digestion Time 3min The amount of water used 80L Year 2008 Fire Type Class A,B Place DaeGu Fire Expo Digestion Time 3min The amount of water used 80L Year 2009 Fire Type Class A,B Place Fire Academy Digestion Time 3min The amount of water used 60L Year 2011 Fire Type Class B Place Digestion Time The amount of water used International University 1min 100L Year 2010 Fire Type Class A Place Digestion Time The amount of water used International University 1min 80L Year 2010

23 CEO Introduction Career Name : Kyeong Ro Lee Graduation : Gyeongnam National University of Science and Technology Work experience 1 tons Fire Truck Development Fire Fog-gun Development 13 kinds Water mist Nozzle Development CEO : KyeongRo Lee Design by : Kyeong Ro Lee Manufacture :

24 HEAD OFFICE & FACTORY ADD : 112/701Ho, 10Street, 348Byeon-gil, Nedong-Ro, Jinju-city, Gyeongsangnam-do, Korea TEL : FAX : grdnp@grdnp.com HOME PAGE :