RU2067034C1 - Aerodynamic separator - Google Patents

Abstract

FIELD: mining, coal-mining, peat, chemical cement, glazing, wood-working, food-stuffing industries, metallurgy, civil engineering, power engineering and farming. SUBSTANCE: separator consists of box units where the following components are mounted:loading vibration bin 1 with feeder 2 assembled on aerodynamic tunnel 4 and valve grate 5 between which thermal chamber 6 is located; chamber 6 is immovably inserted into vertical separation columns 7 fitted with throttle valves 8 and actuating cylinders 9; at opposite side it is telescopically inserted in it in form of broken members 10 with baffle plates 11. Aerodynamic tunnel is provided with inclined baffle webs 12 and is inserted in dynamic biconical separation chambers 13 mounted in series. Last separation chamber is provided with baffle vibration board 14. Top of columns and chambers is connected with suction system and bottom is connected with conveyers 15. Control of separator is effected from control panel 16. EFFECT: enhanced reliability. 1 dwg

Description

 The invention relates to a device for the enrichment of bulk materials and can be widely used in mining, coal, peat, chemical, metallurgical, cement, glass, woodworking, food processing, construction, energy and agriculture.

 Known plants for the enrichment of bulk materials containing a frame, loading and unloading pipes, conveyors, an acceleration pipe with heaters, an air heater with a heater, a dust fan and an aspiration system (ed. St. USSR N 1240466, class 02 C 21/00; ed St. USSR N 1292847, class B 07 B 4/08) and others.

 The disadvantages of these installations are: high material consumption, low productivity, insufficient amount of cleaning and limited application.

 The closest technical solution known (prototype) is a plant for the enrichment of bulk materials, including a loading hopper and a dynamic separation chamber with a breaker vibration shield, a pneumatic supercharger with an accelerating tube and a dust fan (ed. St. USSR N 1639778, class B 07 V 4 / 00).

 The disadvantages of this setting are the low quality of cleaning due to the short duration of the process and the undeletability of a number of impurities, limited application.

 The purpose of the invention is improving efficiency, quality and expanding technological capabilities.

 This goal is achieved by the fact that it is equipped with a thermal chamber, a valve grill and vertical tubular separation columns installed in series, which crosses a zigzag booster pipe made of straight and broken elements with breaker shields at the fracture points, which are horizontally connected to the columns by force cylinders and installed relative to each other with a given gap, and the dynamic camera is made in the form of sequentially installed bioconic cameras, the top of which are tubular columns connected to the suction system and a bottom conveyor, wherein the heat chamber is installed between the loading pipe and a wind tunnel.

 The novelty of the claimed aerodynamic complex lies in the above set of features, the implementation of which can improve the efficiency and quality of enrichment, significantly expand the scope of application.

 Significant differences of the claimed technical solution from the known ones (see description of analogues and prototype) are as follows: equipment of the separator with a thermal chamber and vertical tubular separation columns with throttle valves and power cylinders; the implementation of the wind tunnel from fixed and movable elements in the form of straight and broken lines, at the intersection of which breaker shields are installed; implementation of a wind tunnel with power cylinders.

 In the drawing, a General view of the aerodynamic separator.

 The aerodynamic separator consists of volume units in which a loading vibro-hopper 1 with a feeder 2 is installed, mounted on a wind tunnel 3 with a pneumatic blower 4 and a valve grill 5, between which there is a thermal chamber 6, and which is fixedly inserted into the vertical separation columns 7 on one side, containing throttle valves 8, power cylinders 9, and on the other telescopically inserted into it in the form of broken elements 10 with breaker shields 11, while the wind tunnel is equipped with inclined breaker floors kami 12 and introduced into sequentially installed dynamic bioconical separation chambers 13, the last of which is equipped with a baffle plate 14, the top of the columns and chambers connected to the suction system, and the bottom with conveyors 15, while the separator is controlled from the control panel 16.

 Aerodynamic separator operates as follows. Bulk material (sand, grain, granules, etc.) under its own weight from the loading vibro-hopper 1, through a valve 2, enters into a wind tunnel 3, where the grains of material are picked up by a pulsating high-speed air flow from the action of a pneumatic blower 4 and through a valve grill 5 and striking oblique inclined shelves 12 are moved to a vertical separation chamber 7, where due to discharge through the adjustable gaps, dusty particles are removed, and the grains fly into the broken element 10, where they again hit the breaker shields 1 1, the grain is dynamically cleaned from one another, as a result of which the grain surface is cleaned, while the dynamic cleaning process is repeated many times, and the clearance is controlled by power cylinders 9, after which the grains of material fly into dynamic separation chambers 13, in which the grains are again dedusted and receive multiple impacts on the baffle plate 14, after which they come down and through the discharge pipes are supplied to the consumer, while the dust particles from the columns 7 transport s 15 are supplied to the consumer and the pneumatic system in the aspiration system. The technological process is automated, which is controlled from the remote control 16.

 Known serial domestic and foreign plants for the enrichment of bulk materials, for example, the domestic drying unit D-588 and a two-tier screen SMD-121 (GIS-52), the installation of the company "Werner" (Germany) and others that provide only partial enrichment.

 The technical and economic efficiency of the proposed separator for the enrichment of bulk materials in comparison with the prototype (base object), analogs and serial plants is ensured by the following: the efficiency of using the aerodynamic separator is achieved by saving energy, reducing material consumption by 5 6 times, increasing productivity by 40 50% improving reliability, including maintainability; quality improvement is achieved due to repeated shock-inertial influences and separation, allowing to clean completely loose material from dusty particles.

 The expansion of technological capabilities is achieved by the adjustable process for the enrichment of bulk materials.

Claims (1)

 An aerodynamic separator comprising loading and unloading nozzles, a wind tunnel made of straight and broken sections with baffle plates at the fracture points and introduced into the dynamic separation chamber with a baffle plate, and an aspiration system, characterized in that it is equipped with a thermal chamber installed between the boot a nozzle and a wind tunnel, and vertical tubular separation columns installed in series, while the wind tunnel is made zigzag and tanned with the intersection of vertical tubular separation columns and communicated with them, the latter being connected to the wind tunnel at the fracture points by force cylinders located horizontally, the dynamic separation chamber is made in the form of sequentially installed biconical chambers, while the top of the biconical chambers and tubular columns is connected to the aspiration system , and the bottom with conveyors.