Industrial boilers Planner Guide (steam systems 2) 2014 by Hoval USA

More catalogs by Hoval USA | Industrial boilers Planner Guide (steam systems 2) 2014 | 60 pages | 2017-03-17

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Catalog Industrial boilers Planner Guide (steam systems 2) 2014

20 20 20 fertilizer reverse osmosis system with pump hot water system water control system two types of boiler pressure control system heating and cooling system tube heat exchanger natural gas heat exchangers pneumatic water control valves water treatment plant water storage tank water pipe air vents water storage tanks sq ft to ft water control valve pneumatic flow control valve pressure control valve pressure control valves pressure controlling valve selective control valve water level controller high pressure pumps high pressure pump control valve sizes high pressure water pipe 3 way high pressure pump electronic control valves for inlet pressure control high pressure air tubing h 25 high pressure pump water high pressure cleaner control valve for pumps process of water treatment page 33 34 water filter on water wells advantages and disadvantages high pressure cleaner where is the mass flow sensor technical data for flange selection with vent and drain design of water pump what size to get tube to tube two types of periodals 19 34 x 10 12 x 5 34 30 30 parts tube in tube steam boiler steam piping used steam boiler boiler water treatment steam boiler design steam valve steam trap steam traps

Industrial boilers Planner Guide (steam systems 2) 2014 is listed under these categories

Home & Garden > Heating Cooling & Air

Featured catalog pages of Industrial boilers Planner Guide (steam systems 2) 2014

medium to big size steam boilers 18 feed water tank and feed water conditioning 23 see our tutorial steam systems 1 page 23 18.1 18.2 18.3 18.4 18.5 18.6 operating temperature see our tutorial steam systems 1 page 23 23 cavitation of boiler feed pump see our tutorial steam systems 1 page 24 23 feed tank design see our tutorial steam systems 1 page 25 23 feed tank materials see our tutorial steam systems 1 page 26 23 feedtank capacity see our tutorial steam systems 1 page 26 23 feed tank piping see our tutorial steam systems 1 page 26 23 19 pressurised deaerators 19.1 19.2 19.3 19.4 19.5 19.6 19.7 19.8 19.9 19.10 why gases need to be removed from boiler feed water 24 operating principles of a pressurised deaerator 25 water distribution 26 control systems 26 cost and justification 39 deaerator heat balance 30 steam control equipment selection 32 control for the water system level control 32 water control equipment selection 33 conditioning treatment see our tutorial steam systems 1 page

medium to big size steam boilers 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 4 system p & i diagram

medium to big size steam boilers 11 properties of some supply fuel oils  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 parameters calorific value symbol unit av values physical standard condition extra-light fuel oil diesel heavy fuel oil lcv mj/kg 42,7 40,7 lcv kwh/kg 11,86 11,3 lcv mcal/kg 10,2 9,72 density at 15 °c ρ15 kg/l 0,84 0,96 flame point ∆f °c 70 120 at 20 °c ν mm²/s max 6 at 50 °c ν mm²/s 2 max 50 at 100 °c ν mm²/s 30 air consumption vl m³/kg 11,0 10,7 smoke gas volume dry va,tr m³/kg 10,3 10,0 smoke gas volume – wet va,f m³/kg 11,8 11,4 water quantity at smoke gas vh2o m³/kg 1,5 1,4 max carbon dioxide co2,max vol 15,5 15,9 carbon c weight 86 84 hydrogen h weight 13 12 sulphur s weight 0,2 0,1 2,8 changes possible oxygen o2 weight 0,4 0,5 nitrogen n weight 0,02 0,3 water h 2o weight 0,4 0,4 viscosity combustion value at λ =1 contents

medium to big size steam boilers 14.3 smoke gas flow/comparison for heavy oil firing 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 c for smoke gas “heavy oil” lcv 40700 kj/kg co2 max 16,1 approximate correction figures for heavy oil firing lambda 1 1,04 1,07 1,11 1,15 1,19 1,24 1,29 1,34 1,36 1,539 1,527 1,53 1,525 1,521 1,521 1,512 1,51 1,511 1,511 smoke gas flow in nm³/h wet 10,08 10,46 10,75 11,12 11,5 11,88 12,35 12,82 13,29 13,48 smoke gas mass flow in kg/h 15,52 15,98 16,45 16,96 17,5 18,07 18,68 19,37 20,09 20,38 16 15,5 15 14,5 14 13,5 13 12,5 12 11,8 1,4 1,46 1,5 1,53 1,61 1,69 1,79 1,89 2,01 1,506 1,506 1,505 1,503 1,497 1,498 1,49 1,491 1,488 smoke gas flow in nm³/h wet 13,86 14,43 14,8 15,08 15,84 16,6 17,54 18,49 19,62 smoke gas mass flow in kg/h 20,88 21,74 22,28 22,68 23,72 24,88 26,14 27,58 29,2 co2-value at smoke gas 11,5 11 10,7 10,5 10 9,5 9 8,5 8 correction value multiplier from

medium to big size steam boilers valve may be used when the load is guaranteed to be fairly constant the steam injection may occur at the base of the head and flow in the opposite direction to the water counter flow or from the sides crossing the water flow cross flow whichever direction the steam comes from the objective is to provide maximum agitation and contact between the steam and water flows to raise the water to the required temperature the steam is injected via a diffuser to provide good distribution of steam within the deaerator dome the incoming steam also provides • a means of transporting the gases to the air vent • a blanket of steam required above the stored deaerated water deaerator air venting capacity in previous information typical feed water temperatures have been quoted at around 85°c which is a practical maximum value for a vented boiler feed tank operating at atmospheric pressure it is also known that water at 85°c contains around 3.5 grams

medium to big size steam boilers 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 deaerator 0.2 bar g operating pressure p2 saturation temperature 105°c the steam control valve sizing a control valve for saturated steam service can be determined using equation 3.21.2 m ˙ s 12   kv   p1   1 5,67   0,42 x2 equation 3.21.2 where m ˙ s steam mass flowrate kg/h  kv valve coefficient required  p1 pressure upstream of the control valve bar a  p2 pressure downstream of the control valve bar a x pressure drop ratio p1 p2 p1 equipment required example – sizing depends to deaerator sizing • a dn15 two port valve with standard equal percentage trim kvs 4 • a pneumatic actuator able to close a dn15 valve against a pressure of 10 bar • a pneumatic-pneumatic positioner with mounting kit alternatively an electropneumatic positioner with

medium to big size steam boilers 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 are sensitive to oxidizers an alternative would be to dose the system with chemicals to remove the chlorine and hold the hardness ions in solution after the carbon filter the water is passed through the membranes where the concentrate is recycled back to the front of the system for another pass and a bleed is taken off this line to drain this recycling allows very high system efficiencies the permeate line will have a tds total dissolved solids level of about 4 or less of the incoming water membrane dependent a sidestream off this line feeds a di bottle service for di water the tds is only 4 of the incoming water so the di bottles will last 25 times longer ways to reduce the chance of plugging a chemical can be added to the feed stream that keeps the hardness from precipitating out this is simply metered directly into the pipe feeding the

medium to big size steam boilers 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 by burning h2 which is a chemical part of natural gas with oxygen o2 coming from the combustion air results water vapour which leaves – on higher temperatures – the chimney as invisible content without condensing to liquid water during winter seasons this water vapour results in white clouds at the chimney outlet because the smoke gas temperature align with the surrounding air temperature cools down and the water vapour condense in form of white cloud for full combustion of 1 nm³ natural gas results 2 nm³ h2o water vapour which – if fully condensed results in 1,6 kg of water the complete heat output recovery is calculated by summary of sensible and latent heat qges qsens qlat note the smoke gas condensate natural gas firing is with ph-value between 3 and 5 – so it´s acid and very corrosive this results

medium to big size steam boilers aerea name of unit acre international hectare symbol ac ha shed definition relation to si units 1 ch × 10 ch 4840 sq yd 4 046.856 4224 m2 10 000 m 10 −52 m 2 2 =10 000 m2 10−52 m2 square foot sq ft 1 ft × 1 ft 9.290 304 × 10−2 m2 square inch sq in 1 in × 1 in 6.4516 × 10−4 m2 square kilometre km2 1 km × 1 km 106 m2 =1m × 1m 1 m2 1 mi × 1 mi 2.589 988 110 336 × 106 m2 symbol definition relation to si units barrel petroleum bl bbl 42 gal us 0.158 987 294 928 m3 bucket imperial bkt 4 gal imp 0.018 184 36 m3 cubic foot cu ft 1 ft × 1 ft × 1 ft 0.028 316 846 592 m3 cubic inch cu in 1 in × 1 in × 1 in 16.387 064 × 10−6 m3 square metre si unit square mile m 2 sq mi 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 volume name of unit m3 =1m × 1m × 1m 1 m3 cubic mile cu mi 1 mi × 1

medium to big size steam boilers