Membrane concentration device
SUBSTANCE: invention relates to separation, concentration of liquid food mediums with membrane methods and can be used in food, pharmaceutical and microbiological industry, as well as at plants of agroindustrial complex. Membrane device comprises casing with unions for removal of product, body with two circular slits and hollow stock with cone, to which moving shaft with blades is fastened, dividing membrane channel into four sectors, in three of which grid is placed, fixed to blades at certain distance from membrane. In fourth sector moving turbulators and guide for their ordered movement by flow of separated solution are located.
EFFECT: invention provides intense cleaning of membrane surface, which increases efficiency of device.
1 cl, 1 dwg
FIELD: machine building.
SUBSTANCE: membrane device comprises a housing with connecting pipes for product withdrawal, a case with two annular slots and a hollow rod with a cone to which a movable shaft is attached and fitted by blades, the shaft divides the membrane channel into four sectors, the three of them are equipped by a grid fixed to the blades at certain distance from the membrane and disks are mounted on the shaft along the whole its length in the fourth sector.
EFFECT: higher efficiency.
FIELD: process engineering.
SUBSTANCE: proposed device comprises two ceramic filtration membranes and their holders. Said ceramic filtration membranes are shaped to plates, each comprising active filtration outer side and one inner filtered water discharge channel. The holder comprises receiving chamber to discharge water fed from discharge channels and receiving devices for tight securing of ceramic filtration membranes thereat so that inner discharge channels are communicated with said receiving chamber. Part of holder comprising receiving devices for ceramic filtration membranes is composed by one-piece formed part.
EFFECT: better tightness.
15 cl, 3 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to membrane filter for cleaning of aggressive fluids. Membrane filter element consists of hollow porous cylinder 1 of ceramic material, bottom 3 and cover 4 arranged at the ends of said cylinder 1. Membrane 5 made of nano-structured ceramic material as aluminium oxide (α-Al2O3) formed in the flow of erosive aluminium plasma in oxygen medium is applied on outer surface of said cylinder 1. Besides, filter element comprises perforated pipe 2 arranged inside said hollow porous cylinder 1.
EFFECT: efficient cleaning, multiple recovery of filter.
6 cl, 1 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to water treatment with the help of membrane module of membrane unit consisting of membrane modules placed one on the other. Membrane module comprises casing to house membrane units. Note here that cross-section of the casing flow channel wherefrom water being cleaned flow is smaller than that wherein said water flows. Note also that every membrane element is a flat membrane. Said casing accommodates water inflow guide to decreased casing flow channel cross-section area Note that said element is arranged so that its surface extends parallel with membrane surface.
EFFECT: decreased clogging by suspended matter and long-term filtration load.
5 cl, 5 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to concentration of solutions by ultrafiltration and reverse osmosis and can be used ion food, chemical, pharmaceutical industries, etc. Proposed apparatus consists of the case accommodating moving hollow rod with front part composed by diverging cone and casing with the product discharge union. Proposed device differs from known designs in that rod rear part is shaped to converging cone while second casing with product feed device mounted at aforesaid case. Note that both casings represent moving structures. Note also that one of said casings diverged diffusion layer from the rod expanded part while the second one diverges its from converging part.
EFFECT: higher efficiency.
FIELD: process engineering.
SUBSTANCE: proposed apparatus comprises moving case with product discharge pipe and housing with circular slits accommodating moving hollow rod. Note here that said housing and rod feature conical convergence. Note also that the case inner configuration has variable cross-section while casing can displace relative to said housing.
EFFECT: higher efficiency of apparatus.
SUBSTANCE: invention relates to field of chemistry. Synthesis-gas from gas-generator 10 is supplied into reactor 64 for conversion of carbon oxide into carbon dioxide. From reactor 64 synthesis-gas is directed into absorption unit 12, containing one or several membrane contact filters 72. Synthesis-gas can be kept in internal volume 74, and in internal volume 76 - solvent. Membrane contact filters are located between two volumes 74 and 76. Ennobled synthesis-gas, leaving unit 12, consisting mainly of hydrogen, is supplied into gas turbine 6. Output gas from gas turbine 6 is supplied into system 8, where gas is caught and used for steam production. Steam, obtained in system 8, is supplied into system 66 for reduction of solvent.
EFFECT: inventions make it possible to reduce production expenditures due to reduction of equipment size and quantity of solvent.
10 cl, 4 dwg
SUBSTANCE: sampling device for extracting dissolved hydrogen sulphide from molten sulphur has means of feeding and outputting inert gas streams and a membrane in form of a polymer tube. The membrane is provided with a reinforcing wire which is protected by a polymer material.
EFFECT: high quality of monitoring degree of degassing of molten sulphur while enabling to obtain information in online mode for more accurate estimation of the quality of commercial-grade sulphur.
FIELD: process engineering.
SUBSTANCE: proposed device comprises long piece of film composed of multiple layers arranged in zigzag manner. Note here that first film layer is connected with second layer nearby first end. Film second layer is connected with film third layer by second end remote from said first end. Separation elements are arranged between said film layers. Separation element comprises screen layer for fluid to flow there through in the plane and perpendicular thereto.
EFFECT: turbulent flow optimising heat and substance transfer.
12 cl, 26 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to filtration module and may be used in water treatment as a component of reverse osmosis plant and in gas filtration. Filtration module has pressure tube to house membrane with unboiled water feed branch pipe and filtrate and residual fraction discharge branch pipes. Functional/connection unit with top and bottom parts is jointed to pressure tube end. Branch pipes are arranged on top part. Through channels communicated with said branch pipes extend through bottom part. Note here that exposed annular space is provided between pressure tube and membrane. Fluid feed through channel terminates in said bottom part annular gap wherefrom fluid flows into annular space.
EFFECT: invention rules out stagnant spaces, easier replacement of membrane.
20 cl, 16 dwg
FIELD: liquid solution separation, concentration and desalination by reverse osmosis and ultrafiltration methods for food, pharmaceutical, microbiological industries and factory-farm enterprises.
SUBSTANCE: membrane device comprises tubular membrane module consisting of two coaxial cylinders. One of cylinders is formed of porous material and has semipermeable membrane on inner surface thereof. Device also has turbulizing means, inlet and outlet connection pipes for introducing initial solution and discharging filtrate and concentrated product from device. Pressure chamber with inlet connection pipe located tangentially to pressure chamber is arranged at center of tubular membrane module. Pressure chamber is connected with flange connectors in air-tight manner. Arranged in pressure chamber is wheel formed of two enclosures defined by vertical discs, which are divided by perforated cylindrical surface. Arranged in enclosure above perforated cylindrical surface are blades welded to side surfaces of vertical discs. Blades are directed towards initial solution flow so that upon wheel rotation maximum torque is created. Enclosure located under perforated cylindrical surface has orifices for initial solution movement into membrane channel. Diameter of circle enclosing orifices is equal to inner diameter of flange connector to be secured to pressure chamber body. Resilient rope with fixed tubulizing discs is located inside tubular membrane module coaxially with semi-permeable membrane. Discs are spaced equal distances one from another and made as a set of resilient plates so that annular part is created in tubulizing disc center. Annular part is impermeable for initial solution. Rope is fixedly secured to a bush welded to vertical wheel discs. Rope ends are secured to friction rolls to prevent rope sagging along semipermeable membrane surface.
EFFECT: increased capability due to improved hydrodynamic effect on flow to be separated by minimizing layer with high concentration along the full length of semipermeable membrane.
FIELD: separation, concentration and distilling of various solutions by reverse osmosis method and ultra-filtration.
SUBSTANCE: proposed membrane-type apparatus includes tubular membrane module made in form of porous body with semi-permeable membrane applied to inner surface, branch pipes for introducing starting solution and discharge of concentrate and filtrate. Arranged inside tubular membrane module coaxially relative to semi-permeable membrane are jet units. Each jet unit is made in form of cylinder whose end surfaces are tightly connected with disk on one side by means of flanges and base member and holder on other side. Said disk has holes for rods and holder is fitted with leaf-type valve. Corrugated reinforced membrane fitted inside cylinder possesses increased elastic deformation properties; it is made in form of sleeve whose open end part is placed between flange of cylinder and base member, thus forming hermetic joint; immovably connected to bottom by means of shaped washer adjoining bottom part of sleeve on inner side is pusher which is movable inside cylinder. Injectors mounted on side surface of base member are equidistant from each other and are directed to opposite sides so that escaping jets should be tangential relative to semi-permeable membrane. Distance between jet units is so selected that jet of starting solution escaping from injectors directed to one side of one jet unit should form vertical plane of contact with jets escaping from injectors directed to other side of other jet unit. Jet units are mounted stationary by means of rods secured in flanged joints and passed through holes in disks which are stationary connected to flanges of cylinders on side of pushers. Connected immovably to pusher rods are disks which have holes for rods connecting the disks of other jet units, thus forming immovable system; disks are so secured that each jet unit should perform similar motion.
EFFECT: increased productivity due to enhanced hydrodynamic action on flow being separated.
FIELD: methods of sealing of built-up structures.
SUBSTANCE: the invention is pertaining to technologies of sealing of built-up structures. The invention offers a method of sealing, which makes it possible to form easily a sealing compaction, which has an exclusive reliability and a capability of repetition of a thermal cycle in the range of high temperatures of 800°C or higher. The offered built-up block contains: ceramics and a metal preferably used for a device intended for production of clear oxygen, the oxygen-rich air, etc.; a membranous reactor intended for the partial oxidation of a hydrocarbon gas; a solid-state oxidic fuel cell; a device of oxygen clearing; a heat exchanger or a similar device. The part of elements of the built-up unit is made out of an oxidic material and the tank is filled in with silver or a silver alloy. The offered invention ensures an increase of tightness of built-up frameworks. In particular, use of the units in the device intended for production of clear oxygen, the oxygen-rich air or in a similar device, in the membranous reactor for the partial oxidation of the hydrocarbon gas, in the solid-state oxidic fuel cell, in the oxygen clearing device, in the heat exchanger or in the similar device allows to speed-up significantly the production process.
EFFECT: the invention ensures an easy formation of a reliable tightness and significant speed-up of the production process.
25 cl, 19 dwg, 3 tbl, 7 ex
FIELD: food industry; pharmaceutical industry; microbiological industry; agricultural industry; devices and methods of reversed osmose and ultrafiltration.
SUBSTANCE: the invention is pertaining to the field of separation, concentration and a desalting of various solutions and may be used in food industry, pharmaceutical industry, microbiological industry and also agricultural industry. The membrane apparatus includes: a tubular membrane unit, branch pipes for an initial solution feeding and withdrawal of a filtrate and a concentrate; and creating turbulence devices. On the surface of the semipermeable membrane there are the stationary mounted gear racks. In the tubular membrane module coaxially to the surface of the semipermeable membrane there a pusher is located, on the surface of which there are the stationary mounted support shaped washers equidistantly spaced from each other, to which along the circumference of the pusher are welded gear racks. At that the symmetry axes of the gear racks located on the surface of the semipermeable membrane coincide with the symmetry axes of the pusher gear racks. Between the gear racks arranged on the surface of the semipermeable membrane and the gear racks of the pusher there are the toroidally-shaped vortex generators with the closed gear-type belts interacting with the gear racks, the quantity and location of which are chosen so, that to ensure the correct geometrical shape of the toroidally-shaped vortex generators. On an outer surface of each toroidally-shaped vortex generator there are the blades mounted between the closed gear-type belts. The technical result of the invention is an increased productivity of the membrane apparatus due to improvement of the hydrodynamic impact on the separated flow.
EFFECT: the invention ensures an increased productivity of the membrane apparatus due to improvement of the hydrodynamic impact on the separated flow.
FIELD: separation, concentration and desalination of solutions.
SUBSTANCE: the invention is pertaining to the field of separation, concentration and desalination of solutions by the methods of the reverse osmosis and ultrafiltration. The technical result of the invention is the increased productivity of the membrane apparatus due to improvement of the hydrodynamic impact on the separated stream. The membrane apparatus contains: the tubular membrane module made in the form of two coaxially arranged porous bodies with the applied on them semipermeable membranes; the branch pipes for inlet of the source solution, withdrawal of the filtrate and the concentrate. One porous body is made in the form of the stationary hollow cylinder, which inner surface is made in the form of the narrowing downward truncated cones sharply transforming into the cylinders, which diameter is bigger than the diameter of the smallest base of the truncated cones and is equal to the diameter of the bigger base of the truncated cones, and the butt planes of the smallest and greatest bases of the truncated cones coincide with the butt planes of the cylinders. The other porous body is made in the form of the mobile hollow cylinder, which outer surface is made in the form of the expanding truncated cones sharply transforming into the cylinders, the diameter of which is less than the diameter of the greater base of the truncated cones and is equal to the diameter of the smallest base of the truncated cones, and the butt planes of the greater and the smaller bases of the truncated cones coincide with the butt planes of the cylinders. The movable porous body is mounted inside the stationary porous body with a capability of the reciprocated motion with the help of the friction units. At alignment of the butt planes of the truncated cones and the cylinders of the stationary and the movable porous bodies between the surfaces of the truncated cones forms the narrowing conical channel with the minimum annular gap, at the outlet of which the stream of the escaping solution experiences the greatest vortex in the formed cylindrical channel.
EFFECT: the invention ensures the increased productivity of the membrane apparatus due to improvement of the hydrodynamic impact on the separated stream.
FIELD: petroleum industry; other branches of industry; municipal services; separation of the heterogeneous mediums.
SUBSTANCE: the invention is pertaining to the field of separation of the heterogeneous mediums and may be used for purification of the liquids, as well as in the processes of separation of substances. The filtration module contains the mounted in the body membrane filter, which has been made out of the complete set of the rigid semi-permeable ceramic components made in the form of pipes or the channel containing rods hermetically fixed in the holes of the flanges. The membrane filter flanges are made out of the tightly sintered pyroceramics. Fixation of the ceramic components in the holes of the flanges is made using the glass-ceramic sealant with formation of the monolithic structure. Pyroceramics, the glass-ceramic sealant and the material of the ceramic components have the equal values of the thermal linear expansion coefficient. It allows to improve reliability in conditions of the prolonged multiple operation and to ensure the sterile filtering keeping the leakproofness of fixation of the filtering components in the holes of the flangesunder the aggressive conditions and at the high temperatures of the regeneration.
EFFECT: the invention ensures improved reliability of the filtration module prolonged multiple operation at the sterile filtering with keeping the leakproofness of fixation of the filtering components in the holes of the flanges in aggressive conditions and at high temperatures of regeneration.
4 cl, 2 dwg, 2 ex
SUBSTANCE: apparatus comprises device secured to the tubular diaphragm and provided with housing that receives the movable spiral inside which unmovable cylindrical grid is arranged along the length of the diaphragm. The diameter of the grid is equal to that of the opening in the rod. One end of the rod is secured to the rod cone, and the other end, to the housing.
EFFECT: enhanced efficiency.
FIELD: concentration by ultra-filtering or inverse osmosis.
SUBSTANCE: device comprises casing with connecting pipes for discharging product, housing with two ring slots, and hollow rod with cone. The movable hollow shaft is connected with the rod and is provided with blades that are fit on the shaft and are in a contact with the diaphragm. The blades divide the passage into four sectors. Two sectors are connected with the shaft space for supplying gas through the openings that are arranged at a 90°one to the other. The second end of the shaft projects out of the housing.
EFFECT: enhanced efficiency.
FIELD: chemical industry; membrane tubular filtering elements and the methods of their production.
SUBSTANCE: the invention is pertaining to the membrane tubular elements and the methods of their production for realization of the micro-, ultra-, nano- and diafiltration in the crossed mode. The technical result of the invention is the increased resistivity of the membrane filtering elements to the alkaline mediums, expansion of their assortment, reduction of the costs of their production. The membrane tubular element contains the multilayer open-porous tube with the semipermeable alkali-resistant polymeric membrane on its internal surface. The internal and external layers of the wall of the multilayer open-porous tube are made out of the impregnated with the thermoreactive binder fillets made out of the mixture of the polypropylene (basis) and the chlorine (weft) filaments, which are formed by coiling and allocation of the fillets using the rigid mandrel.
EFFECT: the invention ensures the increased resistivity of the membrane filtering elements to the alkaline mediums, expansion of their assortment, reduction of the costs of their production.
2 cl, 3 dwg, 5 ex
FIELD: chemical industry; petrochemical industry; other industries; production of the tubular membranous apparatuses for filtration of the liquids.
SUBSTANCE: the invention is pertaining to the tubular membranous apparatuses for filtration of the liquids in the mode of the cross-flow ultra-, micro- or diafiltration. The membranous tubular module contains the housing, two fittings for feeding and withdrawal of the treated liquid and the membranous tubular filtration component. The filtration component consists of several open-porous tubes, which inside surface is coated by the semipermeable membrane and the ends are sealed in the holders. For sealing of the pressure chambers of the treated liquid and the chamber for collection of the filtrate the elastic rings bracing the holders of the filtering component are used. At constriction of the ends of the housing and the fittings the elastic rings fill in the annular cavities formed at the expense of the bevel made on the ends of the housing or the fittings. The technical result of the invention is the increased reliability, simplicity in manufacture and operation, the reduced costs of operation.
EFFECT: the invention ensures the increased reliability, simplicity in manufacture and operation of the membranius tubular module, the reduced costs of its operation.