velocity in a steam sparger hole

  • velocity in a steam sparger hole

    velocity in a steam sparger hole; Heating of viscous slurries with direct steam injection,In a sparger, the steam is directed from a central source to an array of hol An external steam valve controls the amount of steam flow injected into the flu This modulating control valve reduces the pressure of the steam in the sparger in order to reduce

  • velocity in a steam sparger hole

    Velocity Head,Sizing the holes in a sparger 2,Sizing Steam Piping in New Plants Maximum Allowable Flow and Pressure Drop Note: (1) . Steam Sparger Calculation Student,Steam Sparger Calculation posted in Student: Good day to you all,my sparger size of DN40, with 40 holes has velocity of steam from hole at 4m/s

  • velocity in a steam sparger hole henebiens-meubelen.nl

    steam sparger design specification Know More. Jun 28, 2013· steam sparger design specification,Steam Sparger Velocity Restriction,Effect of multiple holes on the performance of sparger

  • Steam Sparger Calculation Student Cheresources

    My steam mass flow that caluclated is only 0.87kg/hr. is it possible? My vessel is around 2 * 4 meter square, operating at 110C and o.1bar. Heat needed to heat up my oil from 100 C to 110C is 124kW. my sparger size of DN40, with 40 holes has velocity of steam from hole at 4m/s. Is the velocity of my steam and mass flow of my steam acceptable?

  • Sparger: design Chemical plant design & operations Eng

    Dec 24, 2008· I'm going to sparge condensate into an atmosferic tank. I designed my piping based on wet steam (condensate in the line flashes)with a max speed of 20 m/s. However the surface area of all the holes of the sparger is smaller than the surface area of the pipe. The velocity of the wet steam through the holes goes up to 80 m/s. A few questions:

  • Steam Sparger High Velocity Steam Heating

    PSX J-Series Steam Sparger Direct Steam Injection Heaters. High velocity steam for smooth operation & energy savings; On/Off Design (ATO/ATC) Tank mount design to heat tanks or vessels of all sizes

  • Direct Steam Injection Benefits vs. Steam Sparging

    Direct Steam Injection Benefits vs. Steam Sparging. Like the JetCooker™, the sparger heating device relies on the steam from the plant steam supply. Piping from a steam header directs the steam through a steam sparging nozzle that is located in the process fluid pipe.

  • Experimental Investigation of the Steam Condensation

    The maximum steam mass flux through sparger holes during an accident in the APR1400 is calculated to be 1,100kg/m 2-s while the maximum steam mass flux in the test matrix was 550kg/m 2-s. Because the condensation regime beyond 500kg/m2-s is considered to

  • Design Guide & Part Selection

    Sparger Sizing Sparger sizing is based on the superficial gas exit velocity from the porous sparger surface, expressed in feet per minute (FPM), calculated from actual cubic feet per minute per square foot of sparger surface area (ACFM/Ft.2). ACFM is calculated at the liquid pressure and temperature at the sparger,it is not based on gas pressure.

  • Calculator: Steam Flow Rate through an Orifice TLV A

    Online calculator to quickly determine Steam Flow Rate through an Orifice. Includes 53 different calculations. Equations displayed for easy reference.

  • Direct Steam Injection Benefits vs. Steam Sparging

    Direct Steam Injection Benefits vs. Steam Sparging. Like the JetCooker™, the sparger heating device relies on the steam from the plant steam supply. Piping from a steam header directs the steam through a steam sparging nozzle that is located in the process fluid pipe.

  • Jet Sparger Steam to Water Heat Exchanger

    Jet Sparger to deliver high velocity steam to promote rapid condensation and mixing of the steam. An internal stem plug opens and closes to inject steam through the engineered diffuser. Features & Benefits High velocity steam delivery assures complete mixing of steam, reducing occurrences of vibration, and saves energy losses from uncondensed

  • What are some design methods for diffusing steam from a

    The steel wool absorbs the velocity of the exiting steam, creating nonturbulent, transparent "lazy" steam. i.e. holes dia of sparger ,velocity of the steam & Enthalpy of the steam.

  • Experimental Investigation of the Steam Condensation

    The maximum steam mass flux through sparger holes during an accident in the APR1400 is calculated to be 1,100kg/m 2-s while the maximum steam mass flux in the test matrix was 550kg/m 2-s. Because the condensation regime beyond 500kg/m2-s is considered to

  • steam sparger calculations,

    2016-1-2 Area =Volumetric Flow/Steam Velocity Now you can calculate size of the sparger The time taken to heat the liquid depends on how fast the steam is introduced, how much hotter the steam is than the liquid and how well it is distributed through the liquid, i.e. holes dia of sparger ,velocity of the steam Enthalpy of the steam.

  • Heating Vats and Tanks by Steam Injections Spirax Sarco

    Velocity of the bubble The steam exits the pipe through the holes as small bubbles, which will either condense as intended or reach the surface of the liquid (see Figure 2.11.1). Sparge pipes are inexpensive to make and easy to install, but are prone to cause high levels of vibration and noise. A much more effective method is to use a

  • How to Calculate Steam Velocities Heating Help

    How to calculate steam velocity. Lbs/Hr x Cubic Volume of Steam divided by 25 x Internal area of pipe = Steam Velocity. Steam Velocity = Lbs Hour x Cubic Volume of Steam/25 x Internal Area of Pipe. Lbs. Steam/Hr = Btuh/960 Lbs. Steam/Hr = Boiler HP x 34.5 Another formula to calculate steam velocity is: Steam Velocity = 2.4 x Lbs Hour x Specific

  • Effect of multiple holes on the performance of sparger

    Jun 01, 2004· Sparger, however, is a multi-hole device. It is expected that the characteristics of pressure pulse of a multi-hole sparger is different from those of the single-hole nozzle due to the interaction of the discharging steam jets. Therefore, the condensation characteristics of a multi-hole sparger must be understood.

  • Design Guide & Part Selection

    Sparger Sizing Sparger sizing is based on the superficial gas exit velocity from the porous sparger surface, expressed in feet per minute (FPM), calculated from actual cubic feet per minute per square foot of sparger surface area (ACFM/Ft.2). ACFM is calculated at the liquid pressure and temperature at the sparger,it is not based on gas pressure.

  • Design Guide & Part Selection

    water inlet velocity to the sparger, the steam exit velocity, and the pressure in the pipeline. Water inlet velocities can be from 1-20 FPS and sometimes as high as 40 FPS. The steam exit velocity should then be selected from design Table 2. Steps 1 Determine heat required. 2 Obtain the steam requirement using the heat required and the

  • Pressure Drop in Spargers for Pump Sizing Pipelines

    Sep 21, 2005· Are there so many unknowns that k values for that type of fitting (the holes in the sparger) can´t be used with the hf=kV*V/2g added up as head losses for each hole. The liquid is veg. oil. I know the flow rate 1 litre/sec, and the dimension of the hole 1mm diam, so I get a velocity of 25.5m/s thru each of the 50 holes.

  • CFD ANALYSIS OF A THERMAL MIXING IN A SUBCOOLED

    of the APR1400 and a small modified prototypic steam sparger was installed. The sparger at the discharge hole side, 64 at 1 cm in diameter (4 rows, 16 holes/row), were made of a 6 inch schedule steam in the test facility was used as the steam velocity through the discharge holes with an assumption of a steam quality of one for solving the

  • Heating Liquids by Steam Sparging Accendo Reliability

    In order for steam to flow through the pipe to the outlet at the same rate it is turning from high pressure to low pressure steam it speeds up. The increase in velocity causes vibration and if sufficiently fast it will gradually wear away the sides of the exit hole(s). Steam sparging can

  • Optimization of Flow Distribution in the Feed Sparger of a

    distribution through the feed sparger. The velocity and pressure contour plots for this case are shown in Fig. 4 and Fig. 5 Fig. 4: Pressure (Pa) contour plot in the feed sparger Fig. 5: Velocity (m/s) contour in the feed sparger 4.0 References [1] Acrivos, A. et al. Chem. Eng. Sci. 1959 [2] A.K.Majumdar, Appl. Math. Modelling, 1980, Vol 4,

  • Design Guide & Part Selection

    water inlet velocity to the sparger, the steam exit velocity, and the pressure in the pipeline. Water inlet velocities can be from 1-20 FPS and sometimes as high as 40 FPS. The steam exit velocity should then be selected from design Table 2. Steps 1 Determine heat required. 2 Obtain the steam requirement using the heat required and the

  • How to Calculate Steam Velocities Heating Help

    How to calculate steam velocity. Lbs/Hr x Cubic Volume of Steam divided by 25 x Internal area of pipe = Steam Velocity. Steam Velocity = Lbs Hour x Cubic Volume of Steam/25 x Internal Area of Pipe. Lbs. Steam/Hr = Btuh/960 Lbs. Steam/Hr = Boiler HP x 34.5 Another formula to calculate steam velocity is: Steam Velocity = 2.4 x Lbs Hour x Specific

  • Effect of multiple holes on the performance of sparger

    Jun 01, 2004· Sparger, however, is a multi-hole device. It is expected that the characteristics of pressure pulse of a multi-hole sparger is different from those of the single-hole nozzle due to the interaction of the discharging steam jets. Therefore, the condensation characteristics of a multi-hole sparger must be understood.

  • Experimental Investigation of the Steam Condensation

    14) In addition, the condensation-induced loads for the 64-hole sparger were comparatively large and the loads for a high-temperature condition increased very steeply as the steam mass flux increased.

  • CFD ANALYSIS OF A THERMAL MIXING IN A SUBCOOLED

    of the APR1400 and a small modified prototypic steam sparger was installed. The sparger at the discharge hole side, 64 at 1 cm in diameter (4 rows, 16 holes/row), were made of a 6 inch schedule steam in the test facility was used as the steam velocity through the discharge holes with an assumption of a steam quality of one for solving the

  • steam sparger calculations

    Steam Accumulators and Steam Boiler Response to Load Jan 02, 2016· Area =Volumetric Flow/Steam Velocity Now you can calculate size of the sparger The time taken to heat the liquid depends on how fast the steam is introduced, how much hotter the steam is than the liquid and how well it is distributed through the liquid, i.e. holes dia of sparger,velocity of the steam & Enthalpy of the steam.

  • steam sparger calculations,

    Hydraulic calculations for circular sparger 2016-1-2 Area =Volumetric Flow/Steam Velocity Now you can calculate size of the sparger The time taken to heat the liquid depends on how fast the steam is introduced, how much hotter the steam is than the liquid and how well it is distributed through the liquid, i.e. holes dia of sparger ,velocity of the steam Enthalpy of the steam.

  • Heating Liquids by Steam Sparging Accendo Reliability

    In order for steam to flow through the pipe to the outlet at the same rate it is turning from high pressure to low pressure steam it speeds up. The increase in velocity causes vibration and if sufficiently fast it will gradually wear away the sides of the exit hole(s). Steam sparging can

  • Optimization of Flow Distribution in the Feed Sparger of a

    distribution through the feed sparger. The velocity and pressure contour plots for this case are shown in Fig. 4 and Fig. 5 Fig. 4: Pressure (Pa) contour plot in the feed sparger Fig. 5: Velocity (m/s) contour in the feed sparger 4.0 References [1] Acrivos, A. et al. Chem. Eng. Sci. 1959 [2] A.K.Majumdar, Appl. Math. Modelling, 1980, Vol 4,

  • Pressure and flow distribution in pipe and ring spargers

    Sep 15, 2007· In case of low H D /D ratio bubble columns, the sparger design dominates the performance of the bubble column reactor. However, scanty information is available in the published literature regarding the flow distribution in sparger. In view of this a comprehensive study was undertaken for a single pipe sparger and ring sparger covering a wide range of hole diameters (2–6 mm), pitch

  • 1. INTRODUCTION

    the velocity and temperature of a turbulent water jet is developed. Therefore, a fundamental test to measure the velocity and temperature distribution of a turbulent jet during the steam discharging through a single-hole sparger into a subcooled water pool was performed to develop the correlations (Kang et

  • Direct Steam Injection Technology can replaces a Sparger

    Apr 19, 2018· Like the JetCooker™, the sparger heating device relies on the steam from the plant steam supply. Piping from a steam header directs the steam through a sparging nozzle that is located in the process fluid pipe. A common sparging nozzle consists of several holes which allow steam to enter the process fluid and heat it to the desired temperature.

  • Understanding the effect of high gas entrance velocity on

    GEV as high as 170 m/s due to high gas flow rates and relatively small sparger hole diameters was observed to be significantly detrimental to cell culture performance in a 12,000 L bioreactor when compared to a satellite 2 L bioreactor run with GEV of <1 m/s. Small scale study of GEV as high as 265 m/s confirmed this.

  • Pipes and Pipe Sizing Spirax Sarco

    A process requires 5 000 kg/h of dry saturated steam at 7 bar g. For the flow velocity not to exceed 25 m/s, determine the pipe size. Since the steam velocity must not exceed 25 m/s, the pipe size must be at least 130 mm; the nearest commercially available size, 150 mm, would be selected.

  • Heating Liquids by Steam Sparging Accendo Reliability

    In order for steam to flow through the pipe to the outlet at the same rate it is turning from high pressure to low pressure steam it speeds up. The increase in velocity causes vibration and if sufficiently fast it will gradually wear away the sides of the exit hole(s). Steam sparging can

  • steam sparger calculations

    Steam Accumulators and Steam Boiler Response to Load Jan 02, 2016· Area =Volumetric Flow/Steam Velocity Now you can calculate size of the sparger The time taken to heat the liquid depends on how fast the steam is introduced, how much hotter the steam is than the liquid and how well it is distributed through the liquid, i.e. holes dia of sparger,velocity of the steam & Enthalpy of the steam.

  • sparger — Heating Help: The Wall

    This process is not different from that of a steam trap discharging into a condensate pipe at lower temperature and pressure. Is a sparger device even needed? I estimate I will have about 3% by weight flash steam. Given mixed flow through a perforated tube type sparger, what should be the design pipe velocity, sparger hole size and total hole area?

  • Direct Steam Injection Technology can replaces a Sparger

    Apr 19, 2018· Like the JetCooker™, the sparger heating device relies on the steam from the plant steam supply. Piping from a steam header directs the steam through a sparging nozzle that is located in the process fluid pipe. A common sparging nozzle consists of several holes which allow steam to enter the process fluid and heat it to the desired temperature.

  • Multiple-hole effect on the performance of a sparger

    An experimental study has been carried out to investigate an I-type sparger performance in view of pressure oscillation and thermal mixing in a pool. Its pitch-to-hole diameter, P/D, varies from 2 to 5. The test conditions are restricted to the condensation oscillation regime. In the present study, two different hole patterns, staggered and parallel types, are employed under various test

  • 1. INTRODUCTION

    the velocity and temperature of a turbulent water jet is developed. Therefore, a fundamental test to measure the velocity and temperature distribution of a turbulent jet during the steam discharging through a single-hole sparger into a subcooled water pool was performed to develop the correlations (Kang et

  • gas sparger design

    Dec 24, 2008· I'm thinking you might have stable operation of the sparger if it is sloped downward, with larger holes at the end for the water to escape through. If the water begins to build up, then the internal pressure of the sparger would rise as some of the holes have to carry condensate instead of steam.

  • Airflow Calculator CUI Devices

    CUI Devices' air flow conversion calculator can be used to convert between common units for volume air flow and air velocity flowing past a point in a specified area of duct. To use the calculator, enter your air velocity or volume air flow and duct area/type, select your units, click calculate air flow and your converted velocity and volume

  • Frequently Asked Questions About Spray Nozzles and Tank

    Cavatation can occur very quickly and it creates a hole in the tank liquid. Liquid rushes in to fill the hole. In order for an eductor to be effective as a steam sparger, there must be enough steam pressure supplied to the eductor to create a high velocity steam jet out of the nozzle.

  • Understanding the effect of high gas entrance velocity on

    GEV as high as 170 m/s due to high gas flow rates and relatively small sparger hole diameters was observed to be significantly detrimental to cell culture performance in a 12,000 L bioreactor when compared to a satellite 2 L bioreactor run with GEV of <1 m/s. Small scale study of GEV as high as 265 m/s confirmed this.

  • Sparger — PULSCO

    Minimizes noise in high velocity pressure dumps into lower pressure condensers or piping. Sparger and the valve are used together to inject superheated steam into a condenser in a controlled fashion. Functions as a junction between the valve and the condenser, it's absence could result in severe damage to the condenser system.

  • pipes. The experiments vary from low steam velocity

    The experiments vary from low steam velocity injection (STB 20) to high steam velocity injection (STB 17), or even multiple blowdown pipe interaction. This references are available in the NKS webpage (2009) modeled the steam discharge through a sparger and studied the overall pool behavior using the Steam Condensation Region Model (SCRM

  • US20030080446A1 Method and apparatus for injecting

    A sparger for delivering fluid comprising a sparger pipe for carrying the fluid from a fluid source and downwardly directed nozzles to direct the delivery of fluid is disclosed. A substantially vertical connection pipe connects the sparger to the nozzles. Also, a method of delivering oxygen to an oxygen-depleted zone in the bottom of the fermenter using the sparger is disclosed.

  • Experimental Investigation of Steam Condensation

    cell sparger and a bottom hole was simulated by using a 16.7mm hole. The sparger was installed at the center of the quench tank and the vertical distance between the bottom of the quench tank and the bottom of the sparger was 0.9m. Several pressure and temperature sensors were installed along the steam discharge line and the sparger, and a venturi