The flat type valve can bear high pressure and is characterized by its wear resistance and long life of operation. From a technological point of view, an homogenizer consists principally of a pump and a homogenizing valve figure figure2 2. A comparative study article in chemical engineering research and design 106. Factors of valve design associated with homogenization of milk1. A detailed understanding of the flow behavior inside a high pressure homogenizer hph valve has a vital importance in designing and optimizing the systems in terms of energy and performance. Large selection of standard options as well as special options. Pump valve spacer manufacturer,supplier and exporter from india. The top unit includes indication unit, activation stem, sensor system and solenoid valves to control and supervise all kinds of pneumatic processing valves. Therefore, the choice of an appropriate strategy in the numerical simulation of homogenization and chemical process plays a significant role and determines the accuracy of results which returns an improved design criterion. First and second stage homogenizer valves are adaptable modular parts prepared for easy reconfigurations. Large eddy simulation of a highpressure homogenizer valve.
Homogenizing valves gea engineering for a better world. Homogenizer valve homogenizer valve is a key component of the homogenizing equipment. The design and optimization for homogenizing units are usually difficult because of lacking enough information about the flow field within the valve. The homogenizer is constructed from super duplex ss alloy and is fitted with wear resistant components, thereby maximizing the service life at operating pressures. Here are a variety of 25mpa to 80mpa homogenizers applied in. High pressure homogenizer is essential for emulsifying one liquid into another or uniformly dispersing solid particles throughout a liquid to improve consistency, stability, shelf life, flavour and a host of other important product qualities such as. All gt320 products are constructed of device category. The homogenizer valve described in claim 4, wherein one of the opposed surfaces in each adjoining pair of the valve members is a knife edge land. Homogenizing valve design and its influence on milk fat globule dispersion. The flat type valve can bear high pressure and is characterized. Donghua is homogenizer and colloid mill manufacturer in china since 1984, offer industrial and laboratory homogenizer for food and pharmaceutical industry. Design features, materials of construction and dimensional data, as described in this bulletin, are provided for your information only and should not be.
Please enter your details to continue reading the rest of the book of 480. Design and fabrication of homogenizer machine prof. The apv homogenizer group designs and manufactures highpressure homogenizers. Valve and impingement design flow rate highpressure homogenizers have long been the best available means to mechanically disrupt nonfilamentous microorganisms on a large scale.
Specify product code product codes ranges 05000 psibar p8001 00 psibar p8002 05000 psibar with transmitter p8001pt 00 psibar with transmitter p8002pt note. Our homogenizer can be used for industrial and laboratory, applied in food, chemical and pharmacy industry. Apv offers highly effective turnkey automation and process engineering solutions. Valve design objectives the objectives for this chapter are as follows. However, many types of valve are available see harper et al. Homogenizing standard valve the standard valve is able to satisfy different market requests thanks to its capacity to personalize the profile and materials used. The valve geometry is fundamental in obtaining specific results on the product and to ensure optimal use of the pressure. The analog pressure gauge has a sanitary design with a builtin pulsation damper. We are counted among the eminent manufacturers and exporters of sturdilybuilt homogenizer valve accessories. A gaulin homogenizer consists of 2 main sections a piston pump and a homogenizing valve. High pressure homogenizers manufacturers, suppliers. To win the trust of clients, this spacer is manufactured using premium quality raw materials that are procured from trustworthy vendors of the market. Chaoli is china homogenizer manufacturer, we have a variety of high pressure homogenizers and ice cream freezers for choice. Depending on the structure, homogenizing valves can be divided into the flat type and w type.
Laboratory homogenizer high pressure homogeneous rod and homogeneous seat of lab homogenizer are both made of special hard alloy and they are acid and alkali resistant. Non aseptic machines can be upgraded to full aseptic design. Shermans emulsion science see bibliography or an equivalent book. Gea niro soavi nanovalve high efficiency sanitary homogenizing valve niro soavis nanovalve is a new highefficiency homogenizing valve that microsizes milk and dairy products at a lower pressure than was ever possible before, while achieving the same or better results on emulsion quality of the processed product. The cell disruption cd valve, a version of the xfd, represents a unique variation of the shortland design in a singlestage configuration.
Instructions for the care and operation of i model cgd twostage mantongaulin homogenizers introduction mantongaulin homogenizers are rugged, heavy duty machines, built to withstand long years of. Homogenizers used and reconditioned rowlands sales. Our ultimate goal providing this service to you is to help reduce down. Donghua products high pressure homogenizer manufacturer. Depending on the structure, homogenizing valves can be. Various types of high pressure homogeniser are available for use in the food and chemicals industries but the design which has been very extensively used for cell disruption is the mantongaulin apv type homogeniser. Get more pharma manufacturing insight with our free newsletter sign me up. Animal tissue also can be processed but the tissue must be pretreated with a blade blender, rotorstator homogenizer, or paddle blender.
Designing an efficient homogenizer valve requires an indepth understanding of the flow structure in the valve region. Numerical investigations on flow and pressure fields within a kind of new type homogenizing valve have been conducted using computational fluid dynamics cfd software. Spx corporation reserves the right to incorporate our latest design and material changes without notice or obligation. Rotor stator homogenizers rotor stator homogenizers.
S type is ideal for emulsions and it permits a longer lifetime of the product while r type is designed for high performances where a higher cell rupture process i required. High pressure homogenizer,industrial homogenizer manufacturer. An encyclopedic guide figure m19 shows a cutaway view of the key elements of the homogenizer, including the twostage homogenizer valve assembly depicted in fig ure m17. On the discharge side it is often advisable to have 7 b or 7 ur sanitary tee screwed direct onto homogenizer outlet and a 10f twoway valve on the side of this tee. When starting the homogenizer the product can then be drawn off until the ma chine is up to operating pressure, thereby elim inating any chance for unhomogenized product to get. It receives signals from a plc to control the valve and it sends feedback signals to the plc to indicate. The machine adopts the homogenizer, according to different products arbitrarily set the homogenization time, voltage 380v, power 11kw shanghai motor, the maximum speed of 3500 rev min. If a block is required, add the suffix bl to the above codes. Doehdbk1016193 engineering symbology, prints, and drawings overview the department of energy fundamentals handbook entitled engineering symbology, prints, and drawings was prepared as an information resource for personnel who are responsible for the operation of the departments nuclear facilities. Highpressure homogenizers are a fairly broad catchall term for any homogenizer that forces a stream of primarily liquid sample through a system which subjects it to any one of a number of forces which is intended to homogenize the sample and or reduce the particle sizes of any components within it.
Homogenizer parts homogenizer valve is a key component of the homogenizing equipment. Homogenization valve apv homogenizer group, a division of. The maximum working pressure 1800bar 180mpa 26100psi pressure adjustable 2. This file is licensed under the creative commons attributionshare alike 3.
Homogenizers can apply dynamic pressure under continuous flow conditions, processing fluids like emulsions and dispersions for a large variety of applications. Pump valve spacer manufacturer,supplier and exporter. Pdf large eddy simulation of a highpressure homogenizer valve. The product enters the homogenizing valve seat from the pump section at high pressure but at a very low velocity. Fundamentals handbook engineering symbology, prints, and. Full text of operation guide for the gaulin homogenizer model cgd see other formats operation guide for model cgd o 7he gaulin 4 mantongauun manufacturing co. Properly selected and maintained control valves increase efficiency. Homogenization has become a standard industrial process, universally practised as a means of stabilising the fat emulsion against gravity separation bylund, 2003. Cavitation theory the liquid encounters intense cavitation because of the large pressure drop through the valve. Disruptive energy comes from relaxation of high pressure build up across homogenization valve pressures typically range from 50 to 500 bar microfluidizer up to 1600 bar homogenization valve geometry of. Safety relief valves, modulating control, vacuum relief.
Homogenization valve apv homogenizer group, a division. Development of the new gaulin microgap homogenizing valve. Cavitation and separated flow in a simple homogenizing valve and. Pumping valves can be changed freely between poppet and ball valves depending on the application. Homogenization mechanism food science university of guelph. The homogenizer consists of a 3 cylinder positive piston pump operates similar to car engine and homogenizing valve. The nonhomogenised product enters the valve seat from the pump cylinder at a relatively low velocity for example 3.
Rotorstator homogenizers consist of a fastspinning inner rotor with a stationary outer sheath stator to homogenize samples through mechanical tearing, shear fluid forces, and or cavitation the rapid forming and collapsing of bubbles. Homogenization primarily causes disruption of fat globules into much smaller ones. Design features, materials of construction and dimensional data, as described in this bulletin, are provided for your information only and should not be relied upon unless con. To provide best quality output, these accessories are designed and developed using high grade raw materials and other materials that. To provide best quality output, these accessories are designed and developed using high grade raw materials and other materials that are sourced from authorized vendors of the market. The discharge valve of each pump empties into a common discharge pipe, in which a special valve is placed. Under the action of plunger pistons, material can enter into a valve bank which can alter pressure. In the latter case, the homogenizer is of aseptic design with special piston seals, sterile steam condenser and special aseptic dampers. Homogenization is important in modern chemical, pharmaceutical and food industry. While in operation, check circumgyrate direction of wheel, put on cooling water and start motor. High pressure homogenizer gyb series high pressure homogenizer is general equipment for preparing ultrafine liquid liquid emulsification, or liquidsolid dispersion. We provide 25mpa to 80mpa homogenizers and 300 liter ice cream freezers. Characteristics of highpressure homogenization valves compares.
Highpressure homogenizers have long been the best available means to mechanically disrupt. The flat valve s type and the sharp edge profile r type, which covers up to 1. Taken quality as prime concern, we are engaged in manufacturing and exporting quality assured pump valve spacer. They postulated further that the casein micelle was activated at the moment it passed through the valve of the homogenizer.
Our homogenizer is made of durable materials, it is of small size, high efficiency, strong. Our homogenizer is of 20lh to 50,000lh processing capacity, colloid mill of small size, low noise and high efficiency. The maximum design pressure is 2070bar 207mpa 30015psi 3. One stage standard on homogenizers with hand wheel adjustment high effi ciency design homogenizing valve, based on advanced fluid dynamics concepts engineered for easy maintenance and cleaning handwheel actuated. Pipes, valves and fittings dairy processing handbook. Homogenizers simple homogenizer it consist of a pump that rises the pressure of the dispersion to a range of 5005000psi and an orifice through which the fluid strikes upon the homogenizing valve the homogenizing valve is held on valve seat by strong spring. Before turn off high pressure homogenizer, relax pressureregulating valve hand grip first to release press. Full text of operation guide for the gaulin homogenizer. Two theories are proposed for high pressure homogenization cavitation theory globule disruption by turbulent eddies micro whirls homogenization mechanism 1.
This image is a derivative work of the following images. It then passes between the lapped faces of the valve and seat where, at the moment of. Control valves are an increasingly vital component of modern manufacturing around the world. Introduce the concept of summation of forces, needed in valve design learn what the actuator force, the spring force, the bernoulli flow force, and the two friction forces are. The pump is used to force the fluid into the valve where the homogenization happens diels and michiels, 2006. These industrial solutions combine the extensive array of heat exchangers for evaporation, pasteurization and uht, pumps rotary, centrifugal, inducer, etc. Pdf engineering process characterization of highpressure. However, downstream location of the homogenizer is recommended for indirect uht systems when milk products with a fat content higher than 6 10 % andor with increased protein content are going to be processed. Apr 26, 2017 homogenizers simple homogenizer it consist of a pump that rises the pressure of the dispersion to a range of 5005000psi and an orifice through which the fluid strikes upon the homogenizing valve the homogenizing valve is held on valve seat by strong spring.
High pressure homogenizer each high pressure homogenizer has one or more plunger piston which can move back and forth. Highpressure homogenization highpressure homogenization. The homogenizer valve described in claim 4, wherein one of the opposed surfaces in each adjoining pair of the valve members has a total length of approximately 0. Homogenizer valve accessories manufacturer,supplier. Since invention of the first homogenizing valve, attempts have been made to design a valve that could generate the smallest average globule size with the least. A homogenizer is a single acting reciprocating multiplunger pump with an adjustable valve, the homogenizing valve, able to create the pressure used to micronize various products. Chaoli is china high pressure homogenizer manufacturer, our homogenizer works stably with four screws and four sizing blocks. Designed according to the eu safety rules ce standards, engineered, manufactured and tested according to iso en 9001 quality system sanitary and aseptic execution, designed for cip and sip. Animal tissue also can be processed but the tissue must be pretreated with a blade blender, rotorstator homogenizer, or. In the homogenizing valve the fluid is forced under pressure through a small orifice between the valve and. Materials for plungers, packings, pump valves, valve seats and seals are.
1062 255 24 254 1044 420 1505 317 1527 97 153 1153 1072 1303 243 500 297 616 1228 648 1432 1010 27 1230 949 732 577 94 235 460 827 518 1269 804 1506 182 273 797 1419 1471 1376 278 1216 359 746 361 1425 324 514 888 537