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A. Johnson & Co London

These scraped surface heat exchangers can be used for the heating process of various products, such as tomato paste, puddings, margarines, oils, mayonnaise, etc. We have completely refurbished these units by replacing internal seals, rings, sandblasting, repainting, fitting a new stainless steel frame, installing a new control system, and performing motor testing and maintenance. TECHNICAL DETAILS OF THE VOTATOR * Manufacturer: A. Johnson & Co London * Year of refurbishment: 2025 * Quantity: 5 units * Diameter: 6 inches * Metals: Grade 316 stainless steel * Application: Horizontal votators SPECIFICATIONS: * Chamber dimensions: 6" diameter stainless steel chamber * Length: 6' * 1 1/2" between end plates * Rotor center: 4 3/4" diameter stainless steel * Fitted with two PTFE scraper blades * Drive: 11 kW motor drives * Speed: 1470 rpm (via V-belt reduction) * Reducer: Results in a shaft speed of approximately 367 rpm. AVAILABILITY: * Location: In stock * Available: Immediately GENERAL FORMULA FOR CAPACITY ESTIMATION: For a VOTATOR, the capacity can be roughly estimated using the following formula: [ \text{Capacity} = \text{Chamber Volume} \times \text{Turnover Rate} ] STEP 1: CALCULATE THE CHAMBER VOLUME The volume of a cylindrical chamber can be calculated as follows: [ V = \pi \times r^2 \times h ] Where: * ( r ) = radius (half the diameter in inches), * (h) = height (length of the chamber in inches). Given: * Diameter = 6 inches, so radius ( r = \frac{6}{2} = 3 ) inches. * Length ( h = 6 \text{ ft} = 72 \text{ inches} ). Calculating the volume: [ V = \pi \times (3)^2 \times 72 \approx \pi \times 9 \times 72 \approx 2036.75 \text{ cubic inches} ] To convert cubic inches to liters (since 1 cubic inch = 0.0163871 liters): [ V \approx 2036.75 \times 0.0163871 \approx 33.39 \text{ liters} ] STEP 2: ESTIMATE THE TURNOVER RATE The turnover rate depends on the speed of the VOTATOR and how often the chamber contents can be processed. With a shaft speed of approx. 367 rpm, you can assume a turnover rate of about 1 turnover per minute for a basic estimation. FINAL CAPACITY ESTIMATION Assuming 1 turnover per minute: [ \text{Capacity} \approx 33.39 \text{ liters/min} ] SUMMARY The estimated capacity of each VOTATOR is approximately 33.39 liters per minute CAPACITY ESTIMATION: * Estimated capacity: 33.39 liters per minute TO CONVERT TO LITERS PER HOUR: [ \text{Capacity per hour} = 33.39 , \text{liters/min} \times 60 , \text{min/hour} ] [ \text{Capacity per hour} \approx 2003.4 , \text{liters/hour} ] SUMMARY The estimated capacity of each VOTATOR is approximately 2003.4 liters per hour.
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