CN117550298A - Bulk material feeding system and method - Google Patents

Abstract

The invention discloses a bulk material feeding system and a bulk material feeding method, and belongs to the technical field of bulk material transfer. The invention is universal for various particles and powder, and has no material residue and no dust in the transportation process; the first hopper can translate to be right above the second hopper to vertically discharge, so that the volume and slump angle of the first hopper are increased; the accuracy of the feeding weight is greatly improved and the waste of bulk materials is reduced.

Description

Bulk material feeding system and method

Technical Field

The invention belongs to the technical field of bulk material transportation, and particularly relates to a bulk material feeding system and a bulk material feeding method.

Background

Bulk material transportation mainly comprises mechanical force transportation, pneumatic transportation, container transportation and other methods. (1) The mechanical force transmission is mainly used for transmitting powder particle materials by the mechanical force action of a mechanical device. Common mechanical devices are belt conveyors, chain conveyors, screw conveyors, vibrating conveyors and bucket elevators. The conveying mode has the problem that different materials need to be conveyed by adopting different mechanical modes, and certain material residues exist in the conveying process; (2) Pneumatic conveying, wherein a pneumatic conveying system refers to a conveying mode for conveying dry bulk solid particles or granular materials in a pipeline of pneumatic conveying equipment by means of air flow. The air flow directly provides energy required by movement for the material particles in the pipeline, the air flow in the pipeline is pushed by the pressure difference at the two ends of the pipeline, the conveying mode has the problems of high energy consumption, damage and separation of the material in the conveying process and certain limitation on the material to be conveyed; (3) The container conveying, the container conveying and the transporting in bags, and the conveying mode has the problems of more dust raising points and incomplete discharging.

Disclosure of Invention

The invention solves the technical problem of providing a bulk material feeding system and a bulk material feeding method, which can carry out low-cost and residue-free transfer feeding on various bulk materials such as powder, granule and the like.

The technical scheme is as follows: in order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a bulk material feeding system, includes first translation transfer device, first translation track group, hoisting device and second translation track group, first translation transfer device is including first translation dolly of first translation track group upward movement and set up first hopper on the first translation dolly, hoisting device includes second translation dolly of second translation track group upward movement, set up second translation dolly, set up lifting machine on the second derrick and with the lifting machine is connected and is set up second hopper in the second derrick, second translation track group below be equipped with the first hopper that the second derrick corresponds, the lifting machine drives when the second hopper removes the second hopper reciprocates in first derrick and the second derrick, first translation track group runs through first derrick, first translation track group includes first guide rail section, second guide rail section and third guide rail section, second guide rail section with the second hopper is connected and with the second derrick is connected and is in second hopper, second guide rail section corresponds with the second guide rail section when the second guide rail section moves down.

Further, the second derrick comprises a second outer derrick and a second inner derrick arranged in the second outer derrick, and the second inner derrick is connected with the second outer derrick through a plurality of weighing sensors.

Further, the second inner derrick comprises four second support legs, the first derrick comprises four first support legs corresponding to the second support legs, and the first support legs and the second support legs at corresponding positions are in the same straight line when the second translation trolley moves to the position right above the first derrick.

Further, a guide wheel corresponding to the second support leg is connected to the outer wall of the second hopper, a gap is formed between the first support leg and the second support leg at the corresponding position when the second translation trolley moves to the position right above the first derrick, and the height of the gap is smaller than the radius of the guide wheel.

Further, be equipped with first feed inlet and first discharge gate on the first hopper, be equipped with first bleeder valve on the first discharge gate, be connected with first sealed sleeve through first telescopic cylinder on the first discharge gate.

Further, be equipped with second feed inlet and second discharge gate on the second hopper, be equipped with on the second feed inlet with the second seal cartridge that the first seal sleeve corresponds, be equipped with the second bleeder valve on the second discharge gate, be connected with the third seal sleeve through the flexible cylinder of second on the second discharge gate.

Further, one end of the second guide rail section is provided with a first oblique cutting head corresponding to the first guide rail section, and the other end of the second guide rail section is provided with a second oblique cutting head corresponding to the third guide rail section.

Further, the elevator is connected with the second hopper through two steel wire ropes, and the distance between the two steel wire ropes is larger than the width of the first hopper.

The invention also provides a bulk material feeding method, which uses the bulk material feeding system and comprises the following steps:

s1, a first translation trolley is at an original position, and a first feed port of a first hopper receives materials from a feed port of a unpacking station;

s2, a second translation trolley moves to the position right above the first derrick, the second hopper moves downwards, and when a second guide rail section on the second hopper is at the same height with the first guide rail section and the third guide rail section, the first guide rail section, the second guide rail section and the third guide rail section form the first translation track group;

s3, a first hopper filled with bulk materials is driven by a first translation trolley to move towards a first derrick along the first translation track group and to move to the position right above the first hopper, and a first discharge port is positioned right above a second feed port;

s4, driving the first sealing sleeve to move downwards by the first telescopic cylinder, covering the first sealing sleeve on the second sealing sleeve, and opening the first discharge valve to start discharging;

s5, after discharging, the first sealing sleeve is retracted, and the first hopper is driven by the first translation trolley to return to an original position;

s6, the second hopper is driven by the hoister to move upwards, and after the second hopper moves upwards to the top, the second hopper is weighed by the weighing sensor, and after the weighing is completed, the second hopper moves horizontally;

and S7, the second translation trolley drives the second hopper to translate along the second translation track group, and after the second hopper translates to a preset position, the second telescopic cylinder drives the third sealing sleeve to cover the inlet of the storage bin, the second discharge valve is opened, and the second hopper discharges materials into the storage bin.

The beneficial effects are that: compared with the prior art, the invention has the following advantages:

1. compared with a screw conveyor, a belt conveyor and a bucket elevator, the feeding system provided by the invention has the advantages that the first hopper and the second hopper are used for relay transportation, the material transfer among the hoppers is smooth, the feeding system is universal for various particles and powder, and no material residue and no dust are generated in the transportation process;

2. compared with pneumatic conveying, the invention has low operation cost and is not limited by the types of materials;

3. compared with the existing hopper transfer mechanism, after the hopper is lifted, the hopper does not need to be replaced, secondary dust emission is avoided, and the hopper can be actively sealed and ash removed by self-powered.

4. Through setting up the first translation track group that contains first guide rail section, second guide rail section and third guide rail section, the second guide rail section sets up on the second hopper, and first hopper can translate to the vertical unloading directly over the second hopper, has increased the volume and the slump angle of first hopper, through the discharge gate vertical unloading in first hopper bottom, can let first hopper ejection of compact more unobstructed, and the feed inlet setting of second hopper has increased effective volume for the second hopper in top intermediate position;

5. bulk materials are conveyed through translation, rising and translation three-section, the translation distance of the first section and the third section can be set arbitrarily according to the requirement, the rising distance of the second section can be set arbitrarily according to the requirement, the application range is wide, the two translation sections and the rising section are not interfered with each other, the second hopper can be peeled and weighed before falling and loading, the second hopper can be accurately weighed after rising and can be directly translated to the storage bin to carry out material distribution without changing other hoppers or equipment, the process is totally closed, the accuracy of the loading weight is greatly improved, and the waste of bulk materials is reduced.

Drawings

FIG. 1 is a schematic diagram of a system embodiment of the present invention;

FIG. 2 is a schematic view of a first translational transport device;

FIG. 3 is a schematic view of the structure of the first discharge port;

FIG. 4 is a schematic view of the structure of the second hopper moved to the loading position;

FIG. 5 is a schematic view of a first translational track set configuration;

FIG. 6 is a schematic view of a perspective structure of the second hopper when it is placed at the lowest position;

FIG. 7 is a schematic perspective view of a first translational transport device and a first translational track set;

FIG. 8 is a schematic view of a second hopper construction;

FIG. 9 is a schematic perspective view of a lifting device;

FIG. 10 is a schematic view of the structure of the lifting device corresponding to the first derrick;

FIG. 11 is a schematic view of a gap between a second bracket leg and a first bracket leg;

fig. 12 is a block diagram of the system operating state of the present invention.

Detailed Description

The invention will be further illustrated with reference to specific examples, which are carried out on the basis of the technical solutions of the invention, it being understood that these examples are only intended to illustrate the invention and are not intended to limit the scope thereof.

As shown in fig. 1, 2 and 3, a bulk material feeding system comprises a first translation transfer device, a first translation track group, a lifting device, a second translation track group and a first derrick 7, wherein the first translation transfer device comprises a first translation trolley 1 and a first hopper 2, the first translation trolley 1 adopts an existing electric translation trolley, and four track wheels are driven to move through an internal motor; the first hopper 2 is arranged on the first translation dolly 1, the first hopper 2 adopts an inverted cone-shaped closed hopper, a circular first feed inlet 21 and a first discharge outlet 22 are arranged on the first hopper 2, the first feed inlet 21 is arranged at the upper end of the first hopper 2 and is connected with a discharge outlet of a unpacking station, the first discharge outlet 22 is arranged at the lower end of the first hopper 2, a first discharge valve 23 is arranged on the first discharge outlet 22, the first discharge valve 23 adopts an existing electric butterfly valve and can control the opening and closing of the first discharge outlet 22, the first discharge outlet 22 is connected with a first sealing sleeve 25 through a first telescopic cylinder 24, the first telescopic cylinder 24 adopts an existing electric telescopic cylinder, the first telescopic cylinder 24 is respectively arranged at two sides of the outer wall of the first discharge outlet 22, the first sealing sleeve 25 is sleeved outside the first discharge outlet 22, and when the two first telescopic cylinders 24 act to push the first sealing sleeve 25 downwards, the first sealing sleeve 25 is sleeved at a material receiving position to prevent bulk materials from leaking from a joint. A valve can be arranged in the first feed inlet 21 to seal the first hopper 2 after the materials are loaded, and an existing bin wall vibrator can be arranged on the outer wall of the first hopper 2 for vibration ash removal during discharging.

As shown in fig. 1, 4, 6 and 7, the first translation track group is composed of two parallel guide rails, the guide rails adopt i-shaped steel rails and correspond to the track wheels of the first translation trolley 1, and the first translation trolley 1 moves left and right on the first translation track group through four track wheels.

As shown in fig. 1, 8 and 9, the lifting device comprises a second translation trolley 3, a second derrick 4, a lifter 5 and a second hopper 6, wherein the second translation trolley 3 also adopts the existing electric translation trolley, and drives four rail wheels to move through an internal motor; the second derrick 4 is arranged on the second translation trolley 3, a second outer derrick 41 and a second inner derrick 42 of the second derrick 4, the second outer derrick 41 is a rectangular frame, the lower end of the second outer derrick 41 is connected with the upper end of the second translation trolley 3, the second inner derrick 42 is also a rectangular frame and sleeved in the second outer derrick 41, the second inner derrick 42 is higher than the second outer derrick 41, and the upper end of the second inner derrick 42 is connected with the top of the second outer derrick 41 through three weighing sensors 43. The lifting machine 5 straddles the top of the second inner derrick 42, the lifting machine 5 adopts the existing electric winch, the lifting machine 5 is connected with the top of the second hopper 6 through two steel wires, the second hopper 6 is arranged in the second inner derrick 42, the lifting machine 5 can drive the second hopper 6 to move in the second inner derrick 42, the second hopper 6 is a closed hopper, the upper part of the second hopper 6 is cylindrical, the lower part of the second hopper 6 is in an inverted conical shape, a second feeding port 61 is arranged in the middle of the upper top of the second hopper 6, a second discharging port 62 is arranged at the lower end of the second hopper 6, a second sealing sleeve 611 corresponding to the first sealing sleeve 25 is arranged on the second feeding port 61, the first sealing sleeve 25 can be sleeved on the second sealing sleeve 611 when being moved downwards, a second discharging valve 63 is arranged on the second discharging port 62, the second discharging valve 63 also adopts electric operation, two sides of the outer wall of the second discharging port 62 are respectively provided with a second telescopic cylinder 64, the second telescopic cylinder 64 has the same structure and function as the first telescopic cylinder 24, the lower end of the second telescopic cylinder 64 is connected with a third sealing sleeve 65, the third sealing sleeve 65 has the same function as the third sealing sleeve 65, and the third sealing sleeve 65 can prevent the second sealing sleeve 25 from being moved downwards when being used for sealing the joint of the first sealing sleeve 25. A valve can be arranged in the second feed inlet 61 for sealing the second hopper 6 after the materials are loaded, and an existing bin wall vibrator can be arranged on the outer wall of the second hopper 6 for vibration ash removal during discharging. Four groups of guide wheels are connected to the outer wall of the second hopper 6, each group of guide wheels is provided with an upper guide wheel 66 and a lower guide wheel 66, the second inner derrick 42 comprises four second support legs 421, each group of guide wheels corresponds to one second support leg 421, and when the second hopper 6 moves up and down, the guide wheels 66 roll along the corresponding second support legs 421 to play a role in guiding.

As shown in fig. 1, 8 and 9, the second translating carriage 3 moves on a second translating track set, the second translating track set is arranged above the first translating track set, the second translating track set is also composed of two parallel guide rails, the guide rails adopt i-shaped steel rails and correspond to the rail wheels of the second translating carriage 3, and the second translating carriage 3 is driven by an internal motor to move on the second translating track set of the second hopper 6.

As shown in fig. 1, 10 and 11, the first derrick 7 is disposed under the second translation track group, the second translation trolley 3 can move right above the first derrick 7, the shape of the first derrick 7 corresponds to that of the second inner derrick 42, the first derrick 7 comprises four first support legs 71, the positions of the four first support legs 71 correspond to those of the four second support legs 421, when the second translation trolley 3 drives the second derrick 4 to move right above the first derrick 7, the first support legs 71 and the second support legs 421 at the corresponding positions are on the same straight line, at this time, a gap is formed between the first support legs 71 and the second support legs 421 at the corresponding positions, the height of the gap is H, the radius of the guide wheel 66 is R, H < R, when the second hopper 6 moves downwards, the guide wheel 66 spans the gap with the height of H, the guide wheel 66 rolls on the corresponding first support legs 71, and the first support legs 71 play the same guide function as the second support legs 421. The second hopper 6 is movable up and down within the first derrick 7 and the second inner derrick 42.

As shown in fig. 1, fig. 4, fig. 5, fig. 6 and fig. 7, the first translation track group runs through the first derrick 7, the first translation track group is three sections, including first guide rail section 81, second guide rail section 82 and third guide rail section 83, first guide rail section 81 sets up subaerial, first guide rail section 81 unsettled section is connected with first derrick 7, third guide rail section 83 is in the same height and is located the guide rail extension line of first guide rail section 81 with first guide rail section 81, third guide rail section 83 is connected with first derrick 7, third guide rail section 83 bottom passes through steel construction support, two guide rails of second guide rail section 82 set up at the top of second hopper 6, second guide rail section 82 and second hopper 6 welded connection, second guide rail section 82 one end is equipped with the first chamfer head 821 that corresponds with first guide rail section 81, the other end is equipped with the second chamfer head 822 that corresponds with third guide rail section 83, when second hopper 6 moves down below first guide rail section 81 and third guide rail section 83, second guide rail section 82 and first guide rail section 6 are in the same height and first guide rail section 81, thereby second guide rail section 82 and first guide rail section 6 are located the second hopper 2, the width of second guide rail section 82 is in the second hopper 6 is in the same straight line shape, the width of second hopper 6 is 2, the second hopper 2 is directly-shaped, the width of two guide rails is 2, the second guide rail section 82 is in the second hopper section 6 is in the second hopper section 1, the second hopper is 2, the width is 2, and is in the second hopper section is 2, and is in the straight line 2, and is in the hopper section 2, and is in the hopper joint, and is 2, and is in the width.

As shown in fig. 12, in the unpacking process of bulk materials, a ton package 94 containing bulk materials is driven by a travelling crane 95 to be above an unpacking station 91, the unpacking station 91 adopts an existing unpacking station, unpacked bulk materials enter the unpacking station 91, a blanking port of the unpacking station 91 is also provided with a telescopic cylinder and a sealing sleeve which are of the same type as the first telescopic cylinder 24 and the first sealing sleeve 25, and when the first hopper 2 moves to be below the unpacking station 91, the sealing sleeve of the blanking port of the unpacking station 91 moves downwards and is sleeved on the sealing sleeve of the first feeding port 21, so that a blanking gap is sealed in the unpacking process of the unpacking station 91. The lifting device and the second translational track set are supported by a steel structure frame comprising a plurality of cross beams 92 and a longitudinal bar 93, and a plurality of storage bins 96 are also supported by the steel structure frame, with the feed inlets of the storage bins 96 being located below the second translational track set.

The embodiment also provides a bulk material feeding method, which uses the bulk material feeding system, and comprises the following steps:

s1, a first translation trolley 1 is at an original position, and a first feed port 21 of a first hopper 2 receives materials from a feed port of a unpacking station;

s2, the second translation trolley 3 moves to be right above the first derrick 7, the second hopper 6 is peeled and weighed by the weighing sensor 43 and then moves downwards, and when the second guide rail section 82 on the second hopper 6 is at the same height with the first guide rail section 81 and the third guide rail section 83, the first guide rail section 81, the second guide rail section 82 and the third guide rail section 83 form a first translation track group;

step S3, the first hopper 2 filled with bulk materials is driven by the first translation trolley 1 to move towards the first derrick 7 along the first translation track group and move to the position right above the first hopper 2, and the first discharge port 22 is positioned right above the second feed port 61;

step S4, the first telescopic cylinder 24 drives the first sealing sleeve 25 to move downwards, the first sealing sleeve 25 is covered on the second sealing sleeve 611, and the first discharging valve 23 is opened to start discharging;

step S5, after discharging, the first sealing sleeve 25 is retracted, and the first hopper 2 is driven by the first translation trolley 1 to return to the original position;

step S6, the elevator 5 drives the second hopper 6 to move upwards, after the second hopper 6 moves upwards to the top, the weighing sensor 43 weighs the second hopper 6, and after the weighing is completed, the second hopper 6 moves horizontally;

and S7, the second translation trolley 3 drives the second hopper 6 to translate along the second translation track group, and after the second hopper 6 translates to a preset position, the second telescopic cylinder 64 drives the third sealing sleeve 65 to cover the inlet of the storage bin, the second discharge valve 63 is opened, and the second hopper 6 discharges materials into the storage bin.

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (9)

1. The bulk material feeding system is characterized by comprising a first translation transfer device, a first translation track group, a lifting device and a second translation track group, wherein the first translation transfer device comprises a first translation trolley (1) moving on the first translation track group and a first hopper (2) arranged on the first translation trolley (1), the lifting device comprises a second translation trolley (3) moving on the second translation track group, a second derrick (4) arranged on the second translation trolley (3), a lifting machine (5) arranged on the second derrick (4) and a second hopper (6) connected with the lifting machine (5) and arranged in the second derrick (4), a first derrick (7) corresponding to the second derrick (4) is arranged below the second translation track group, the lifting machine (5) drives the second hopper (6) to move in the first hopper (7) and the second derrick (4), the second derrick (6) moves in the first derrick section (82) and the second derrick section (82), the first derrick section (82) is connected with the second derrick section (82), when the second hopper (6) moves to the lower parts of the first guide rail section (81) and the third guide rail section (83), one end of the second guide rail section (82) corresponds to the first guide rail section (81), and the other end corresponds to the third guide rail section (83).

2. Bulk material loading system according to claim 1, wherein the second derrick (4) comprises a second outer derrick (41) and a second inner derrick (42) arranged inside the second outer derrick (41), the second inner derrick (42) being connected to the second outer derrick (41) by means of a plurality of load cells (43).

3. Bulk material loading system according to claim 2, wherein the second inner derrick (42) comprises four second support legs (421), the first derrick (7) comprises four first support legs (71) corresponding to the second support legs (421), the first support legs (71) being in line with the second support legs (421) in corresponding positions when the second travelling car (3) is moved directly above the first derrick (7).

4. A bulk material loading system according to claim 3, wherein a guide wheel (66) corresponding to the second support leg (421) is connected to the outer wall of the second hopper (6), and a gap is formed between the first support leg (71) and the second support leg (421) at a corresponding position when the second travelling car (3) moves directly above the first derrick (7), and the height of the gap is smaller than the radius of the guide wheel (66).

5. Bulk material loading system according to claim 4, wherein the first hopper (2) is provided with a first feed inlet (21) and a first discharge outlet (22), the first discharge outlet (22) is provided with a first discharge valve (23), and the first discharge outlet (22) is connected with a first sealing sleeve (25) through a first telescopic cylinder (24).

6. Bulk material loading system according to claim 5, wherein a second feed inlet (61) and a second discharge outlet (62) are arranged on the second hopper (6), a second sealing cylinder (611) corresponding to the first sealing sleeve (25) is arranged on the second feed inlet (61), a second discharge valve (63) is arranged on the second discharge outlet (62), and a third sealing sleeve (65) is connected on the second discharge outlet (62) through a second telescopic cylinder (64).

7. Bulk material loading system according to claim 6, wherein the second rail section (82) is provided with a first beveled head (821) corresponding to the first rail section (81) at one end and with a second beveled head (822) corresponding to the third rail section (83) at the other end.

8. Bulk material loading system according to claim 6, characterized in that the elevator (5) is connected to the second hopper (6) by two wire ropes (51), the distance between the two wire ropes (51) being larger than the width of the first hopper (2).

9. A method of bulk material loading using a bulk material loading system according to any one of claims 6-8, comprising the steps of:

s1, a first feeding port (21) of a first hopper (2) is connected with a material from a material discharging port of a unpacking station at an original position of a first translation trolley (1);

s2, a second translation trolley (3) moves to be right above the first derrick (7), the second hopper (6) moves downwards, and when a second guide rail section (82) on the second hopper (6) is at the same height with the first guide rail section (81) and the third guide rail section (83), the first guide rail section (81), the second guide rail section (82) and the third guide rail section (83) form the first translation track group;

s3, a first hopper (2) filled with bulk materials is driven by a first translation trolley (1) to move towards a first derrick (7) along the first translation track group and to move to the position right above the first hopper (2), and a first discharge port (22) is positioned right above a second feed port (61);

s4, a first telescopic cylinder (24) drives a first sealing sleeve (25) to move downwards, the first sealing sleeve (25) is covered on a second sealing sleeve (611), and a first discharging valve (23) is opened to start discharging;

s5, after discharging, the first sealing sleeve (25) is retracted, and the first hopper (2) is driven by the first translation trolley (1) to return to an original position;

s6, driving a second hopper (6) to move upwards by a lifting machine (5), weighing the second hopper (6) by a weighing sensor (43) after the second hopper (6) moves to the top, and horizontally moving the second hopper (6) after the weighing is completed;

and S7, the second translation trolley (3) drives the second hopper (6) to translate along the second translation track group, and after the second hopper translates to a preset position, the second telescopic cylinder (64) drives the third sealing sleeve (65) to cover the inlet of the storage bin, the second discharging valve (63) is opened, and the second hopper (6) discharges materials into the storage bin.