CN211002804U

CN211002804U - Double-cone powder bin

Info

Publication number: CN211002804U
Application number: CN201921994398.XU
Authority: CN
Inventors: 孙冠男; 巴家泓; 周育; 刘召胜
Original assignee: Northern Engineering and Technology Corp MCC
Current assignee: Northern Engineering and Technology Corp MCC
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-07-14
Anticipated expiration: 2029-11-19

Abstract

The utility model belongs to the technical field of powder storage device, especially, relate to a bipyramid powder storehouse, its characterized in that includes the storehouse body that comprises last cone, middle barrel and bipyramid, sets up feeding rose box, dust remover and 3D level scanner on last cone respectively, is connected with the feeding rose box and sets up the inlet pipe on middle barrel lateral wall, and the symmetry sets up two sound wave deashing wares on the bipyramid lateral wall, goes up the upper portion of cone setting at middle barrel, and the bipyramid symmetry sets up the lower part at middle barrel. The utility model provides a powder storehouse problem that large in quantity, area are big, realized that the powder smoothly flows the high accuracy measurement of ejection of compact and real-time material level automatically.

Description

Double-cone powder bin

Technical Field

The utility model belongs to the technical field of powder storage device, especially, relate to a bipyramid powder storehouse.

Background

At present, large-scale and extra-large-scale mines mined by a filling method are more and more, but the volume of a single powder bin for filling and storing a bulk cementing material is smaller, the single powder bin is a single hopper and a single outlet, and one powder bin can only correspond to one set of stirring system. Meanwhile, the filling station adopts a redundant design, and a standby system needs to be built. These necessarily result in a large number of silos in the filling station and a large footprint.

Secondly, the gelled material in the powder bin is easy to deliquesce and harden, and the phenomena of material blockage, material suspension or unsmooth blanking occur, compressed air is mostly adopted for flow assistance and blockage prevention at present, a plurality of nozzles are arranged on the conical hopper wall at the bottom of the bin at equal intervals to form an air cushion, but the compressed air is high in consumption and easy to generate dust, the nozzles are easy to damage, and the maintenance amount is large; or a bin wall vibrator is additionally arranged outside the bin, but the power consumption is high, and long-term rapping easily causes the welding or tearing, deformation and the like of the bin wall, thereby increasing the maintenance.

Moreover, the material level of the powder bin is mostly measured by adopting a radar material level meter, a heavy hammer material level meter and the like based on a single-point measurement principle, but the discharge accumulation and the characteristics of the cementing material present an irregular surface, and the single-point measurement mode has quite unsatisfactory effect and larger error in practical use; and the pressure sensor is adopted for weighing and measuring, although the residual quantity of the materials in the discharging bin can be reflected, the surface state of the cementing materials in the discharging bin cannot be displayed, the bin body and the basic structure need to be changed, and the investment is relatively large.

Disclosure of Invention

The utility model aims at providing a quantity and area that can effectively reduce the powder storehouse realize that the powder is smooth and easy, low consume ground automatically flows ejection of compact and real-time material level high accuracy measurement's a bipyramid powder storehouse for mine filling storage bulk gelled material.

The purpose of the utility model is realized by the following technical scheme:

the utility model is characterized in that the double-cone powder bin comprises a bin body consisting of an upper cone, a middle barrel and a double cone, a feeding filter box, a dust remover and a 3D material level scanner which are respectively arranged on the upper cone, a feeding pipe which is connected with the feeding filter box and is arranged on the outer side wall of the middle barrel, and two sound wave ash removers which are symmetrically arranged on the outer side wall of the double cone,

the upper cone is arranged at the upper part of the middle cylinder, and the double cones are symmetrically arranged at the lower part of the middle cylinder.

The maximum cone angle α of the double cones is not more than 90 degrees to the internal friction angle of the powder, the included angle β between the double cones can be determined according to the installation distance or the process arrangement of external equipment at the bottom of the powder bin, and β is not more than 90 degrees to the internal friction angle of the powder.

The bin body is internally provided with a highest material level line, a lowest material level line and a material supplementing warning line.

And the 3D level scanner is connected with the signal processor and the upper computer.

The sound wave ash cleaner is arranged on the side wall of the conical hopper at the position 1.1-1.5m upwards from the outlet at the bottom of the double cone, and the installation included angle gamma between the sound wave ash cleaner and the side wall of the conical hopper is 30 degrees.

The utility model has the advantages that:

(1) the double-cone powder bin of the utility model adopts a double-cone form, which can not only correspond to one set of stirring system at the same time, but also correspond to two sets of stirring systems respectively, and has strong applicability;

(2) the volume of one double-cone powder bin of the utility model is equivalent to the volume of two traditional single-hopper powder bins, so that one powder bin replaces two traditional single-hopper powder bins, and the floor area is greatly reduced; meanwhile, a standby powder bin is omitted, the number of the powder bins is greatly reduced, and management and operation are facilitated;

(3) the double-cone powder bin of the utility model has reasonable cone angle setting and adopts the sound wave ash cleaner for flow aiding, thereby preventing the phenomena of material blockage, bridging material suspension, wall hanging and the like, realizing smooth and low-consumption self-flowing discharge of powder and simultaneously preventing dust from overflowing;

(4) the utility model discloses a bipyramid powder storehouse, the cang ding sets up 3D level scanner, can show the random variation of cementitious material form with three-dimensional image in real time, can realize the real-time high accuracy measurement of material level in the storehouse.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention of fig. 1.

Detailed Description

The following further describes the embodiments of the present invention with reference to the drawings.

As shown in fig. 1 and 2, the double-cone powder bin of the present invention is characterized in that it comprises a bin body 1 composed of an upper cone 8, a middle barrel 7 and a double cone 9, a feeding filter box 2, a dust remover 4 and a 3D level scanner 5 respectively arranged on the upper cone 8, a feeding pipe 3 connected with the feeding filter box 2 and arranged on the outer side wall of the middle barrel 7, two sonic ash cleaners 6 symmetrically arranged on the outer side wall of the double cone 9,

the upper cone 8 is arranged at the upper part of the middle cylinder 7, and the double cones 9 are symmetrically arranged at the lower part of the middle cylinder 7.

The effective volume of the double-cone powder bin is at least twice that of the traditional single-hopper powder bin.

The maximum cone angle α of the double cones 9 is not more than 90 degrees to the internal friction angle of the powder, the included angle β between the double cones 9 can be determined according to the installation distance or the process arrangement of external equipment at the bottom of the powder bin, and β is not more than 90 degrees to the internal friction angle of the powder.

The bin body 1 is internally provided with a highest material level line 100, a lowest material level line 300 and a material supplementing warning line 200.

The 3D material level scanner 5 is connected with the signal processor and the upper computer, and can remotely and visually display the real-time conditions such as the position, the volume, the quality and the like of the materials in the powder bin on the upper computer.

The sound wave ash cleaner 6 is arranged on the side wall of the conical hopper at the position 1.1-1.5m upwards from the outlet at the bottom of the double cone 9, and the installation included angle gamma between the sound wave ash cleaner and the side wall of the conical hopper is 30 degrees.

The filling and storing process method by using the double-cone powder bin comprises the following steps: the powder is pneumatically conveyed, passes through the feeding pipe 3, is filtered by the feeding filter box 2, enters the bin body 1, and naturally falls into the double cones 9 of the bin body 1; the dust remover 4 works in the feeding process, so that on one hand, dust is prevented from overflowing, and on the other hand, negative pressure is formed to assist feeding; the 3D material level scanner 5 monitors the material level in the bin in real time, and stops feeding when the material level reaches the highest material level line 100; when unloading is needed, the sound wave ash remover 6 is started, the working time of one time is 15-30s, the interval is 10-30min, the operation is repeated in such a way until the unloading is stopped, and the generated pulse carries out fatigue damage on the powder adhered to the side wall of the hopper or the suspension material of the bridge, so that the effects of removing the hanging material, breaking the arch and clearing the blockage are achieved; when the material level in the bin is lowered to the material supplementing warning line 200, the upper computer gives an alarm to prompt that the material is supplemented as soon as possible; when the bin level drops to the lowest level 300, discharge is stopped.

The present invention is further described below with reference to specific examples:

the bulk gelled material is stored in a certain filling station by using a double-cone powder bin as shown in fig. 1 and fig. 2, the maximum cone angle α of the double cones 9 is 60 degrees, the included angle β between the double cones 9 is 32 degrees, the sound wave ash remover 6 is installed on the side wall of the cone hopper 1.4m above the outlet at the bottom of the double cones 9, the installation included angle gamma between the sound wave ash remover and the side wall of the cone hopper is 30 degrees, the diameter of the bin body 1 is 6.3m, the height-diameter ratio of the bin middle cylinder body 7 is 2, and the height of the powder bin is 17.8m (the height of the dust remover is not included), and the comparison situation with the traditional single-hopper powder bin is shown in table 1.

Table 1 comparative situation between double-cone powder bin and conventional single-cone powder bin in example

Note: the height-diameter ratio of the middle cylinder of the storage bin is 2.

The double-cone powder bin of the utility model adopts a double-cone form, which can not only correspond to one set of stirring system at the same time, but also correspond to two sets of stirring systems respectively, and has strong applicability; the volume of one double-cone powder bin is equivalent to that of two traditional single-hopper powder bins, so that one powder bin replaces the two traditional single-hopper powder bins, and the occupied area is greatly reduced; meanwhile, a standby powder bin is omitted, the number of the powder bins is greatly reduced, and management and operation are facilitated; the double-cone powder bin of the utility model has reasonable cone angle setting and adopts the sound wave ash cleaner 6 to flow, thereby preventing the phenomena of material blockage, bridging material suspension, wall hanging and the like, realizing smooth and low-consumption self-flowing discharge of powder and simultaneously preventing dust from overflowing; the 3D material level scanner 5 is arranged on the top of the bin, random changes of the form of the cementing material can be displayed in real time through three-dimensional images, and real-time high-precision measurement of the material level in the bin can be realized.

Claims

1. A double-cone powder bin is characterized by comprising a bin body, a feeding filter box, a dust remover, a 3D (three-dimensional) material level scanner, a feeding pipe, two sound wave ash cleaners and two sound wave ash cleaners, wherein the bin body is composed of an upper cone body, a middle barrel body and a double cone body, the feeding filter box, the dust remover and the 3D material level scanner are respectively arranged on the upper cone body, the feeding pipe is connected with the feeding filter box and is arranged on the outer side wall of the middle barrel body, the two sound wave ash cleaners,

2. The double-cone powder bin according to claim 1, wherein the maximum cone angle α of the double cones is not more than 90 degrees to the internal friction angle of the powder, the included angle β between the double cones can be determined according to the installation distance or the process arrangement of external equipment at the bottom of the powder bin, and β is not more than 90 degrees to the internal friction angle of the powder.

3. The double-cone powder bin according to claim 1, wherein said bin body is provided with a highest material level line, a lowest material level line and a material feeding warning line.

4. The bi-cone filler bin according to claim 1 wherein said 3D level scanner is connected to a signal processor and an upper computer.

5. The double-cone powder bin according to claim 1, wherein the sonic ash cleaner is mounted on the side wall of the cone at a position 1.1-1.5m above the outlet at the bottom of the double cone, and the mounting angle γ between the sonic ash cleaner and the side wall of the cone is 30 °.