CN201023888Y - Flat bottom type bulk material silo - Google Patents

Abstract

The utility model relates to a flat-bottom bulk material silo, which is composed of a silo bottom board and a silo wall, the center of the silo bottom board is provided with a blanking hole, a rotary central discharging cylinder is connected on the silo bottom board at the periphery of the blanking hole by a lower rotary bearing, the inner end of a rotary discharging machine is connected on the rotary central discharging cylinder by a support hinge, the outer end is connected with a tooth-shaped rotary track which is arranged on the silo bottom board, the rotary discharging machine is driven by a drive device and takes the rotary central discharging cylinder as the circle center to do the circular motion along the tooth-shaped rotary track, and a rotary material belt is arranged below the blanking hole. The utility model cancels the original central axis structure of the silo, the rotary central discharging cylinder can rotate above the blanking hole directly by the rotary bearing, the size of the blanking hole is expanded, and the discharge of the silo is more convenient and smooth.

Description

Plain base loose unpacked material silo

Technical field

The utility model relates to a kind of silo that is suitable for storing all kinds of bulk solid materials, particularly coal dust, and silo of the present utility model has the plain base structure, can realize the discharging of first in first out formula.

Background technology

The silo that is used for storing bulking at present has following several structure basically:

The one, be the unsettled type awl of the material end first in first out formula silo of representative with CN1061310C and CN2520311Y, form by roof plate of silo, warehouse and storehouse base cone, there is a center mast warehouse center, following T-Ring shape platform, with the concentric mushroom hair style annular awl bottom outer shroud T-Ring shape platform that is nested of center mast, circumferential weld shape discharge port in slit under interior ring and the center mast between ring-shaped platform forms, the slit between ring-shaped platform and the warehouse bottom form outer shroud seam shape discharge port.Below interior circumferential weld shape discharge port and outer circumferential weld shape discharge port, respectively be provided with operation platform, be nested with one heart, be installed on the inside and outside operation platform, realize that ring type blanking, ring type are ploughed to expect by plough truck, the ring type delivery device of forming for truck, discharging plough.

From actual condition of service, also there are some irrational defectives in said structure, at first is that discharge port is small-sized, and Flow of Goods and Materials is inhomogeneous in the silo, can not accomplish overall flow, very easily occurs knot arch, latch up phenomenon above silo, causes Peril Incident to take place; Secondly, the cone structure mechanical property of silo bottom is relatively poor, and the unsettled storage of material causes silo to break easily; Once more, the silo civil engineering cost of said structure is very big, has also restricted its development to a certain extent.

Another is that the America and Europe lands the flat silo of formula first-in last-out, its civil engineering structure is fairly simple, the bottom surface, storehouse is flat, there is discharging opening at the center, cloth/delivery device is by last (initiatively revolution) crossbeam, (passive revolution) crossbeam and charging telescopic pipe are formed down, entablatrance is installed on the circular orbit on warehouse top, under the actuating device effect, in circular orbit, do gyroscopic movement, cross sill is hung below entablatrance by steel cable and cylinder, do gyroscopic movement with entablatrance, but and free lifting, the bottom of cross sill is installed with two spiral scrapers, lifting mode cloth/the discharging of going in ring, the charging telescopic pipe is connected the centre of entablatrance and cross sill, freely stretches with the lifting of cross sill.

This silo structure has solved knot arch, the latch up phenomenon of material, the civil engineering cost also reduces greatly, but significant disadvantages is the material that is introduced into silo brings down stocks Shi Caineng at last and draws off, the material of silo bottom outer shroud can not flow for a long time, deposition hardens, and the discharging difficulty is if storage is coal, of long duration can heating cause spontaneous combustion, blast, have certain potential safety hazard.

Also having a kind of is the fairly simple Japanese flat first in first out formula silo of civil engineering structure, the bottom surface, storehouse is flat, there is discharging opening at the center, on warehouse top swinging crossbeam and circular orbit are arranged, the lifting/lowering actuating device of being made up of lifting/lowering actuating device and material scraping plate is installed in the middle of the swinging crossbeam, and at a plurality of spiral pusher machines of the radially embedded fixed installation of bottom surface, storehouse circumference, the spiral pusher machine promotes storehouse substrate material radial flow, implements the radial center discharging by material scraping plate.

This silo is compared with the silo of second kind of structure, has solved knot arch, the latch up phenomenon of material equally, also can make the material of silo bottom be in flow regime.But the silo of this structure also is not the silo of first in first out formula completely, and the material that equally exists the spiral pusher equipment room is in the end brought down stocks the problem that Shi Caineng draws off.In addition, the spiral pusher machine embeds the bottom surface, storehouse, is buried by material, breaks down if be in operation, and maintenance is difficulty especially, the online Maintenance and Repair of more impossible realization.

The CN1724318 patent application discloses a kind of silo that is used for storing bulking, this silo is a kind of flat first in first out formula silo, its device for discharging is arranged on one group of annular spin chamber and the annular reversing bridge on the silo base plate, wherein annular spin chamber is connected on the center shaft on the silo base plate, the side is provided with several discharging pendulum plates, and the bottom is communicated with the blanking annular groove, opens discharging pendulum plate, the above material of leaning angle can flow into the blanking annular groove by nature in the silo, arrives the outfeed belt machine.Annular reversing bridge one end is placed on the annular tooth track by drive wheel mounted thereto, and the other end is fixedly connected on the annular spin chamber, fuses with annular spin chamber, by driver drives, makes gyroscopic movement around center shaft together.The annular reversing bridge is divided into ante-chamber and back cavity by dividing plate, inboard discharging machine is installed in the ante-chamber, and by in the charging pendulum plate be communicated with silo, open and put plate in the charging, the first half branch of the following material of leaning angle is transported to the blanking annular groove and arrives the outfeed belt machine along with the revolution of annular reversing bridge enters on the inboard discharging machine in the silo; Outside discharging machine is installed in the back cavity, and is communicated with silo by charging bottom plate, open charging bottom plate, the lower part branch of the following material of leaning angle is discharged on the outfeed belt machine by outside discharging machine from level to level along with the revolution of annular reversing bridge in the silo.Above-mentioned silo has adopted leaning angle directly to be transported to the compound discharging technology of blanking annular groove discharging by the belt reversing bridge of buried type by material beyond center blanking annular groove discharging, the leaning angle with interior material, having solved the problem that the material storage of silo bottom for a long time can't discharging effectively, is a kind of discharge way of first in first out completely.

Yet above-mentioned silo must be provided with a center shaft on the center of silo base plate, with can stationary annular spin chamber and annular reversing bridge, and makes them center on the center shaft rotation.Because the existence of center shaft, above-mentioned silo just can only utilize the slit between center shaft and the silo base plate to carry out discharging as the blanking annular groove, and it is not smooth that this will certainly cause the interior material of silo to draw off, and discharge rate is slower, particularly for super-huge silo, it is particularly outstanding that this problem will seem.

And then, owing to have center shaft to hinder, can't use a discharging machine discharging in the silo bottom, a discharging machine can only respectively be set in the both sides of center shaft, this has increased the construction cost and the operation energy consumption of silo virtually again.

Summary of the invention

The purpose of this utility model provides simple more, the rational plain base loose unpacked material silo of a kind of structure, this silo has changed the connection mode of device for discharging and silo base plate, cancelled original center spindle structure, enlarged the blanking port size, made the discharging of silo convenient, unimpeded.

Plain base loose unpacked material silo of the present utility model is made up of silo base plate and silo wall, be provided with a blanking port at the center of silo base plate, the center of gyration discharge barrel is connected on the blanking port silo base plate all around by the turning down bearing, circular tin hat is connected the top of center of gyration discharge barrel by last swing bearing, and the center of gyration discharge barrel is all covered it down; The inner of revolution discharging machine is connected on the center of gyration discharge barrel by supporting hinges, and the outer end is connected with flute profile rotary track on being installed in the silo base plate, by the actuating device drive, is the center of circle with the center of gyration discharge barrel, makes circular movement along the flute profile rotary track.

Be provided with the umbrella protection eaves that goes in ring in a week around silo wall inwall; this protection eaves hides above the flute profile rotary track; utilize the camber angle of material, guarantee that under any circumstance material can not fallen on the flute profile rotary track, bury the flute profile rotary track to prevent material.Simultaneously, on the silo base plate, be positioned at the circle blocking material ring that also is provided with in week of flute profile rotary track.

Described revolution discharging machine can be any in spiral discharging machine, scraper plate discharging machine, the belt discharging machine etc., the preferred spiral discharging machine of the utility model.

Change and expect that belt is directly installed on the below of silo bottom blanking port, is used for the material that blanking port falls is in time transported.

The utility model can also be provided with several direct discharging openings on the silo base plate, and thereunder disposes outfeed belt, and material just can directly draw off from above-mentioned discharging opening without any need for device for discharging.Can use direct discharging opening discharging separately, also itself and the compound use of device for discharging of the present utility model can be formed based on discharge hole for discharge, the discharging of revolution discharging machine is the discharging combination and the discharge way of assisting, thereby greatly fall the attenuating operating cost, improve the serviceability of system.To adapt to the discharging demand of super-huge silo.

The utility model improves by the structure to silo, changed the connection mode of device for discharging and silo base plate, cancelled the center shaft that is used for fixing annular spin chamber and annular reversing bridge originally, the center of gyration discharge barrel is rotated above blanking port by swing bearing, all soar in the centre, the blanking port space increases, and blanking is unobstructed, has accelerated discharge rate.

Center of gyration discharge barrel of the present utility model rotates above blanking port by swing bearing, has eliminated the rotational resistance of center steering body, has improved the serviceability of system, has made things convenient for maintenance.Owing to cancelled the obstacle of blanking port below, use a commentaries on classics material belt that is applied in below the blanking port promptly can finish the conveying of material, reduced equipment cost.

Description of drawings

Fig. 1 is the structural representation of the utility model plain base loose unpacked material silo;

Fig. 2 is the plan structure scheme drawing of silo among Fig. 1.

Fig. 3 is the local structure scheme drawing at silo base plate center among Fig. 1.

The specific embodiment

The structure of plain base loose unpacked material silo is made up of silo base plate 1 and silo wall 4 as shown in Figure 1 and Figure 2.Be symmetrically arranged with four direct discharging openings 6 around silo base plate 1, blanking port 13 is arranged on the center of silo base plate 1, and center of gyration discharge barrel 7 is installed above blanking port 13.

Center of gyration discharge barrel 7 belows are connected on the silo base plate 1 by turning down bearing 14; the top is connected with circular tin hat 8 by last swing bearing 15; it can be rotated freely between silo base plate 1 and circular tin hat 8; a spiral revolution discharging machine 9 is connected by supporting hinges 16 on the inwall of center of gyration discharge barrel 7, and its structure as shown in Figure 3.Spiral revolution discharging machine 9 is across silo, its outer end is connected on the flute profile rotary track of installing silo base plate 1 outer end 2, drive by the actuating device 10 that is installed in revolution discharging machine 9 ends, with center of gyration discharge barrel 7 is the center of circle, makes circular movement by swing bearing up and down along flute profile rotary track 2.

Umbrella protection eaves 5 around be arranged on silo wall 4 around; flute profile rotary track 2 is hidden thereunder; simultaneously; the interior week of flute profile rotary track 2 on silo base plate 1; be close to revolution discharging machine 9 and be provided with a circle blocking material ring 3; by protection eaves 5 and blocking material ring 3, the assurance material can not buried flute profile rotary track 2.

Change material belt 12 be installed in silo bottom blanking port 13 under, below direct discharging opening 6, also dispose outfeed belt 11, and change material belt 12 and combine with outfeed belt 11.Change mass transport that material belt 12 unloads blanking port 13 to outfeed belt 11,11 of outfeed belts will unload and change the mass transport that material belt 12 transmits by direct discharging opening 6 and go out.

Claims (5)

1. plain base loose unpacked material silo; comprise silo base plate (1) and silo wall (4); it is characterized in that being provided with a blanking port (13) at the center of silo base plate (1); center of gyration discharge barrel (7) is connected on blanking port (13) the silo base plate (1) all around by turning down bearing (14); the top connects circular tin hat (8) by last swing bearing (15); the inner of revolution discharging machine (9) is connected on the center of gyration discharge barrel (7) by supporting hinges (16); the outer end is connected with flute profile rotary track (2) on being installed in silo base plate (1); drive by actuating device (10); with center of gyration discharge barrel (7) is the center of circle; make circular movement along flute profile rotary track (2), change the below that material belt (12) is installed in silo bottom blanking port (13).

2. plain base loose unpacked material silo according to claim 1 is characterized in that being provided with the protection eaves (5) that hides in a week on flute profile rotary track (2) around silo wall (4).

3. plain base loose unpacked material silo according to claim 1 is characterized in that being positioned at the circle blocking material ring (3) that is provided with in week of rotary track (2) on silo base plate (1).

4. plain base loose unpacked material silo according to claim 1 is characterized in that described revolution discharging machine (8) is a spiral discharging machine.

5. plain base loose unpacked material silo according to claim 1 is characterized in that also being provided with direct discharging opening (6) on silo base plate (1), directly the below of discharging opening (6) disposes outfeed belt (11).

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