CN2205532Y - Core furnace speed regulating gravity vertical drier - Google Patents

Abstract

The utility model relates to a vertical drier for concrete and casting industries, which synthetically uses a vertical drying drum; materials can automatically flow and discharge according to the gravity. Multiple groups of bulk cones and sliding basins in the form of mutual folding can evenly guide the materials to slide and dry; the inner material of a drum is provided with a core stove, and the heat quantity can be used at maximum limit. The material level of a high temperature region can be manually adjusted for being suitable for the structure and the technology of different materials, moisture, etc. The utility model overcomes the defects that the prior drier has large floor space, high manufacture cost, more energy consumption and easy damage of parts and components, and a gravity drier has poor adaptability for different materials and moisture. The utility model has the characteristics of simple structure and reliable operation, and is suitable for medium and small-sized enterprises.

Description

Core furnace speed regulating gravity vertical drier

The utility model relates to the improvement of industry drying plants such as cement, casting.In existing dryer, what be most widely used is the rotation cartridge type dryer that is the accumbency shape.The weak point of this machine is: body is long, and floor space is big; Combustion furnace is located at outside the oven dry tube, is not used through the body of heater dispersed heat; Dust content height in the waste gas, the dedusting mechanism complexity; Huge body moves together with the material that becomes ton, the driving mechanism complexity, and the parts rapid wear, big energy-consuming, equipment investment and use cost height, general medium-sized and small enterprises are difficult to bear.

Domestic existing tower drier few in number also exists logistics control difficulty, and drying effect can not adapt to the variation of materials quality and moisture content; As increase internal drive, there is weakness such as parts rapid wear and maintenance difficult under the hot conditions again; So, use wideless.

The purpose of this utility model is to provide a kind of can control logistics situation and speed effectively, maximally utilises fuel and body of heater heat energy, reduces use cost, the tower drier of increasing economic efficiency.

Below in conjunction with accompanying drawing the technical solution of the utility model is described.

Accompanying drawing 1 is a main part generalized section of the present utility model.

Accompanying drawing 2 manually stirs the fire grate structure schematic diagram for the utility model.

The utility model is made up of equipment such as the main part of oven dry and supporting lifting, conveying, dedustings.Exhaust opening 1 is equipped with at the top of the vertical drying tube 5 of main part, inwall is lined with insulation material 23 and refractory brick 24, the tube internal upper part is equipped with the feeding hopper 2 that is interlinked to the outside with tube, the material spreading cone 3 and sliding material basin 4 that array is superimposed with each other is equipped with in the centre, the bottom is a core stove 6, converter nose 9 stretches out outside the tube, the tube base together with the uniform reinforcement 22 of several piece be welded on chassis 11 above.Core stove 6 and wind slag bucket 16 are fixed on the centre on chassis 11 one on the other by several uniform bolts 19.Discharge funnel 15 by several uniform bolts 20 be fixed on chassis 11 below.Be contained in several fire grates 18 that manually stir of core stove 6 bottoms, middle one links to each other with the rocking bar 8 that is positioned at outer converter nose 9 one sides of tube.The sidewall that one end of three-way pipe 14 passes discharge funnel 15 links to each other with the bottom of wind slag bucket 16, and two ends are equipped with blower fan 12 and ash gate 13 respectively in addition.

Now be described in detail as follows: roll the vertical drying tube 5 that forms with steel plate, sectional processing, on-the-spot assembling; The exhaust opening 1 at top adopts steel plate to make, external deduster in place suitable for reading and chimney, and flange and bolt can be used in the base, also can connect with the tube top with welding method; Inwall encloses the insulation material 23 and the refractory brick 24 of lining, successively piles up in the time of can assembling at the scene; Have a square hole on the tube upper portion side wall, oblique cutting a spoon shape feeding hopper 2 made from steel plate in the hole, and the outer material elevator of its import department and tube connects, on the axis that the exit is positioned at tin, and connecting with 26 reinforcements of two reinforcements and cylindrical shell; The middle part is equidistant in the tube is equipped with array cylinder iron or the material spreading cone that is superimposed with each other made of steel plate 3 and sliding material basin 4, tiny air-vent all can gather on its sidewall, every group of material spreading cone that is superimposed with each other 3 all is fixing with the cross 25 of a steel with sliding material basin 4, shelf four ends and the welding of tube inwall; In the tube bottom be one cylinder iron or the hollow section cone core stove 6 made of steel plate, is built into burner hearth with refractory material in the stove, the coal supply burning; Converter nose 9 is passages of making according to the body of heater cross sectional shape with steel plate, and an end connects with the body of heater cross section with several bolts 7, and an end passes barrel and stretches out outside the tube, and be equipped with one can switch door 10, inwall is lined with refractory material, with burn-out proof; The tube base together with the uniform reinforcement 22 of several piece be welded on chassis 11 above.The upper flange of the wind slag bucket 16 that the base of core stove 6 and steel plate are manufactured is fixed on the centre on chassis 11 one on the other by several uniform bolts 19.The discharge funnel made from steel plate 15, on the top edge flange the several uniform bolts 20 of the number uniform usefulness in hole be fixed on chassis 11 below, the external material conveyor in exit.Chassis 11 is to add several width of cloth bars with the ring flange that steel plate is manufactured to be welded with middle open circle; It is uniform that the outward flange of flange is counted the hole, is fixed on the concrete basis with several uniform foundation bolts 21.Be contained in core stove 6 bottoms cylinder iron several or steel manually stir fire grate 18, two ends are sliding bearing, middle all have an actuating arm that protrudes to be hinged on the metal connecting rod 17 of one or two clamping downwards; One of the centre of fire grate 18 connects with the rocking bar 8 that is positioned at outer converter nose 9 one sides of tube, and when pulling rocking bar 8, a fire grate of centre turns over coal and removing slag together by the whole fire grate 18 of hinged connecting rod 17 drives; Many triplets that all distributing equidistantly on the every fire grate, orthogonal, be positioned at the tooth on the same cross section, center tooth upwards is beneficial to the cinder that fragmentation is hardened; The tooth on both sides and the heel teeth of adjacent fire grate stagger mutually, the gap equalization.The bottom welding that three-way pipe 14, one ends that are welded with steel pipe pass the sidewall and the wind slag bucket 16 of discharge funnel 15, an end connects with blower fan 12 with flange and bolt, and the other end is equipped with the ash gate 13 that relies on the gravity automatic switch.

For guaranteeing material from top to bottom, thermal current from bottom to top even distribution and flow, during assembling, should be with exhaust opening 1, oven dry tube 5, chassis 11 and discharge funnel 15, and inner the array material spreading cone 3 and sliding material basin 4 that are superimposed with each other, the axis of core stove 6 and wind slag bucket 16 is positioned on the same vertical line.Be 14 pairs of discharging Effect on Performance of three-way pipe that discharge funnel 15 is passed in minimizing, the main shaft of three-way pipe 14 should be installed on the vertical plane with the same orientation of converter nose 9 center lines, the material that is subjected to converter nose 9 to stop shunting is fallen from both sides, no longer stopped.

During oven dry, the core stove 6 of hand firing, deslagging, mechanical blast roasting produces thermal current continuously and blows out from its hole of gathering, along oven dry tube 5 inner risings.Material by elevator constantly in feeding hopper 2 input tube, rely on gravity along the material spreading cone 3 that array is superimposed with each other scatter equably repeatedly with sliding material basin 4, polymerization and landing, backheating air-flow and moving, constantly draw heat is discharged contained moisture content.When material enters can artificially control the high-temperature region of material level the time, be wrapped in core stove 6 as waterfall, the oven dry effect is more strong.When the elevator feed quantity was equal with the conveyor delivery amount, the pressure influence that discharge rate is not produced by the material level height just can be stablized so in a single day the material level of two kinds of speed interface formation is set.When the material piece is big, when moisture content is high, can suspend conveyer work, material level is risen, and suitably reduce feeding and conveying capacity, make material that the long time of staying be arranged in the high-temperature region; Otherwise, when material is little, when moisture content hangs down, can suspend elevator work, material level is descended, and suitably increase feeding and conveying capacity, material then passes through the high-temperature region with the speed of tumbling faster.Therefore, set the material level of differing heights, suitably increase and decrease feeding and conveying capacity just can adapt to different materials and moisture content.The width of cloth bar neutral of passing chassis 11 through the material of high-temperature region has heated when entering discharge funnel 15 by blower fan 12 and has blown into cold wind in the wind slag bucket 16, is beneficial to the raising furnace temperature.Material after the cooling enters conveyer and is beneficial to conveying.

During the utility model work, the air velocity of oven dry tube 5 internal upper parts is slower, and the humidity height is unfavorable for airborne dust.Material is through layer upon layer of material spreading cone 3 and sliding material basin 4 uniform landings, the concentration height that airborne dust is repeatedly shed far away from rotation cartridge type dryer, the material that limited airborne dust is subjected to layer upon layer of material spreading cone 3 and sliding material basin 4 and trickling thereof again conversely stops and filters, dust exhausting concentration is further reduced, thereby reduced the workload and the cost of deduster.

Because the utility model has comprehensively adopted the vertical drying tube, material relies on flow by gravity and discharging fully, does not have the driving mechanism of complex and expensive; Material spreading cone that array is superimposed with each other and sliding material basin, evenly directing material landing effectively is beneficial to oven dry and dedusting; Establish the core stove in the material in the tube, can maximally utilise coal-fired heat; Can adjust the material level and the input and output material speed of high-temperature region artificially, to adapt to structure and technology such as different materials and moisture content.Compare with existing dryer, have simple in structurely, floor space is little, and price is low, and wide adaptability is durable in use, characteristics such as efficient energy-saving, and the vast medium-sized and small enterprises that are particularly suitable for cement and casting industry use.

Claims (2)

1, material SMIS stove, speed governing gravity flow tower drier, form by equipment such as the main part of oven dry and supporting lifting, conveying, dedustings, it is characterized in that: exhaust opening (1) is equipped with at the top of the vertical drying tube (5) of main part, inwall is lined with insulation material (23) and refractory brick (24), the tube internal upper part is equipped with the feeding hopper (2) that is interlinked to the outside with tube, the material spreading cone (3) and sliding material basin (4) that array is superimposed with each other is equipped with in the centre, the bottom is core stove (6), converter nose (9) stretches out outside the tube, the tube base together with the uniform reinforcement of several piece (22) be welded on chassis (11) above; Core stove (6) and wind slag bucket (16) are fixed on the centre of chassis (11) one on the other by several uniform bolts (19); Discharge funnel (15) by several uniform bolts (20) be fixed on chassis (11) below; Be contained in several fire grates (18) that manually stir of core stove (6) bottom, middle one links to each other with the rocking bar (8) that is positioned at outer converter nose (9) one side; The sidewall that one end of three-way pipe (14) passes discharge funnel (15) links to each other with the bottom of wind slag bucket (16), and two ends are equipped with blower fan (12) and ash gate (13) respectively in addition.

2, tower drier according to claim 1 is characterized in that:

Exhaust opening (1) after a, the assembling, oven dry tube (5), chassis (11) and discharge funnel (15), and inner the array material spreading cone (3) and sliding material basin (4) that are superimposed with each other, the axis of core stove (6) and wind slag bucket (16) all is positioned on the same vertical line;

The center line of the main shaft of b, three-way pipe (14) and converter nose (9) is positioned on the vertical plane in same orientation;

The tooth that equidistantly distributes on c, the fire grate (18), triplets, orthogonal, center tooth makes progress, and is positioned on the same cross section.

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