CN210366066U - Air conveying chute arc track shipment machine - Google Patents

Abstract

The utility model discloses an air delivery chute arc track shipment machine, the fixed pier forward position of locating of back supporting seat, the axis of supporting seat after the arc track arranges for the centre of a circle between back supporting seat and cargo ship berth, the bottom of preceding supporting seat is equipped with running gear, and on running gear slided and locates the arc track, preceding supporting seat can follow the arc track and slide, the utility model discloses a can wind back supporting seat horizontal rotation's main arm air delivery chute and can wind preceding supporting seat horizontal rotation's sub-arm air delivery chute and transport fly ash, put in the cargo ship by the swift current section of thick bamboo at last with fly ash. The utility model discloses well air conveying chute simple structure, equipment light in weight, long service life, it is sealed to be convenient for, easy maintenance can save the steel use amount of main cantilever crane and auxiliary boom, and the gasification fan provides power for the fly ash transportation to air conveying chute slope sets up, can reduce the energy consumption, further saves fly ash shipment cost.

Description

Air conveying chute arc track shipment machine

Technical Field

The utility model relates to a bulk fly ash transportation technical field, especially an air conveying chute arc track shipment machine.

Background

When materials such as cement, coal and the like are conveyed, in order to save the transportation cost and improve the loading and unloading speed, the materials are generally transported in a bulk mode instead of being packaged. The ship loader is an important device for loading bulk materials at a wharf, and the bulk materials are received and transported by a conveyor belt and finally thrown onto a cargo ship by a chute. The ship loader is widely used for loading bulk materials with high density, such as ores, coal, grains and the like.

The traditional ship loader adopts a mode of receiving and transporting materials by a conveyor belt, and bulk materials are exposed in the whole loading process, so that the ship loader can generate a dust raising phenomenon when transporting dust bulk materials such as fly ash and the like, and meanwhile, the ship loader adopts the mode of the conveyor belt to transport the materials, and the friction energy consumption of a carrier roller is large. The fly ash is a main solid waste material of a thermal power plant, a large amount of fly ash is not treated, the atmosphere is polluted, and strict control is needed in transportation. However, at present, there is no ship loader capable of effectively controlling fly ash dust emission, so that improvement on a conventional ship loader is urgently needed to meet the use requirement and reduce energy consumption.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air delivery chute arc track shipment machine for bulk material such as shipment fly ash prevents shipment in-process raise dust, the utility model discloses an air delivery chute reduces the energy consumption of fly ash shipment process.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides an air delivery chute arc track shipment machine, fixed mounting is in the pier front edge for the shipment outward transport of thermal power factory fly ash, including back supporting seat, main cantilever crane, buffer storage tank, preceding supporting seat, running gear, arc track, portal stand, auxiliary boom frame, rotary feeder, main arm gasification fan, auxiliary arm gasification fan, main arm air delivery chute, auxiliary arm air delivery chute and swift current section of thick bamboo, the pier front edge is fixed to be located to the back supporting seat, and the axis of supporting seat arranges for the centre of a circle between back supporting seat and cargo ship berth behind the arc track, the bottom of preceding supporting seat is equipped with running gear, and running gear slides and locates on the arc track, and preceding supporting seat can slide along the arc track.

The buffer storage tank is located back supporting seat top to increase the bracing piece and carry out fixed stay, the entry and the power plant ash conveying union coupling of buffer storage tank, the fly ash that the burning of thermal power plant produced can directly reach the buffer storage tank of shipment machine through the power plant ash conveying pipe in, save the cost of transportation of transporting the fly ash by a wide margin, the export of buffer storage tank is connected through the one end of rotary feeder and main arm air conveying chute, rotary feeder locates the top of back supporting seat, and rotary feeder and main arm air conveying chute can wind back supporting seat horizontal rotation, the other end of main arm air conveying chute is connected with the one end of sub-boom air conveying chute, the other end of sub-boom air conveying chute extends to cargo ship berth, is connected with the elephant trunk. The fly ash of the thermal power plant is conveyed into a buffer storage tank of a ship loader through a power plant ash conveying pipe, then sequentially passes through a rotary feeder, a main arm air conveying chute and an auxiliary arm air conveying chute, and finally is thrown into a cargo ship through a chute, so that the ship loader is completed. Meanwhile, the rotary feeder can also prevent unsmooth ash conveying caused by the phenomenon of air channeling in the coal ash shipping process, the normal operation of an upstream pneumatic ash conveying system of the buffer storage tank is ensured, the coal ash can be ensured to smoothly pass through the rotary feeder, and the shipping efficiency of the coal ash is improved.

The main arm support and the auxiliary arm support are of truss or plate beam structures, the main arm is erected on the outer side of the main arm air conveying chute, and the auxiliary arm support is arranged on the outer side of the auxiliary arm air conveying chute and provides protection for the main arm air conveying chute and the auxiliary arm air conveying chute. The main arm gasification fan is connected with one end of the main arm air conveying chute, which is close to the rear supporting seat, and the auxiliary arm gasification fan is connected with one end of the auxiliary arm air conveying chute, which is close to the main arm air conveying chute, so that power is provided for transferring the fly ash in the main arm air conveying chute and the auxiliary arm air conveying chute.

The portal stand column is an L-shaped steel frame, the long edge of the portal stand column is vertically arranged and extends upwards, the short edge of the portal stand column is arranged at the top end of the front supporting seat, the portal stand column can rotate horizontally around the front supporting seat, the auxiliary arm gasification fan and the auxiliary arm frame are fixedly arranged on the portal stand column and move together with the portal stand column, and further the auxiliary arm air conveying chute is driven to rotate together.

In order to reduce the power required by the transportation of the fly ash in the main arm air conveying chute and the auxiliary arm air conveying chute, the main arm air conveying chute and the auxiliary arm air conveying chute extend downwards in an inclined mode to a cargo ship, the included angle between the main arm air conveying chute and the horizontal direction is 6-8 degrees, specifically, the included angle can be 7 degrees, the inclined main arm air conveying chute and the inclined auxiliary arm air conveying chute can enable the fly ash inside to slide downwards by means of the gravity of the fly ash, the output power of a gasification fan is reduced, and the energy required by the fly ash in the ship loading process is saved.

When a vertical line between the rear supporting seat and the front line of the wharf is a standard machine position line, and the main arm air conveying chute and the auxiliary arm air conveying chute of the ship loader are both positioned on the standard machine position line, the ship loader is stable in stress and safe in structure. The radius of arc track is 8 ~ 10m, and is concrete, can be 9m, and the orbital arc summit of arc is located standard machine position line, the rotation angle scope of main arm air transport chute is 45 to plus 45 of standard machine position line, the rotation angle scope of sub arm air transport chute is 90 to plus 90 of standard machine position line, main arm air transport chute and sub arm air transport chute can cover whole cargo ship in above-mentioned scope, guarantee that the whole cargo hold of cargo ship can directly evenly be filled to the fly ash, needn't frequently remove cargo ship, raise the efficiency, the energy can be saved. The moving speed of the traveling mechanism along the arc-shaped track is 0-8 m/min, and the moving speed of the traveling mechanism can be adjusted by the ship loader in actual work so as to adapt to different working requirements, but the moving speed is not too fast so as to avoid influencing the stability and the running safety of equipment.

In the arc-shaped track ship loader, the slide barrel is a telescopic slide barrel which is composed of a plurality of sections and can be vertically stretched, and particularly, the stretching of the slide barrel can be controlled through the steel wire rope. The chute can stretch out and draw back in the vertical direction according to different water levels and the draught degree of a cargo ship, so that the outlet of the chute is ensured to be attached to the cargo ship as far as possible, and the flying dust leakage caused by falling impact of the fly ash is prevented. The chute is an important device for unloading of the ship loader, and can be used for directly loading an open ash boat or be connected with a professional sealed filling ash boat through a matched interface.

The main arm rotation driving mechanism and the auxiliary arm rotation driving mechanism provide power for the rotation of the ship loader, the main arm rotation driving mechanism and the auxiliary arm rotation driving mechanism are composed of a motor, a limit torque coupling and a speed reducer, and the final transmission can adopt gear and gear ring transmission. The main arm rotary driving mechanism is arranged on the travelling mechanism and used for providing power for the travelling mechanism and driving the front supporting seat to move along the arc-shaped track so as to drive the main arm frame to horizontally rotate around the rear supporting seat, and the auxiliary arm rotary driving mechanism is arranged at the joint of the short edge of the portal stand and the front supporting seat and used for providing power for the portal stand and the auxiliary arm air conveying chute to horizontally rotate around the front supporting seat. The arc-shaped rail ship loader further comprises a standby rotary driving mechanism, and when the main arm rotary driving mechanism or the auxiliary arm rotary driving mechanism breaks down, the standby rotary driving mechanism can be used for enabling the main arm support or the auxiliary arm support of the ship loader to return to the standard machine position line, so that the safety and the stability of the ship loader are guaranteed.

The utility model discloses pneumatic push-pull valve and manual push-pull valve have still been add, the exit of buffer storage tank is located to pneumatic push-pull valve and manual push-pull valve, is located between buffer storage tank export and the rotary feeder, and its main action is the output of control fly ash and keeps apart the maintenance.

The arc-shaped rail ship loader further comprises two bag-type dust collectors, wherein one bag-type dust collector is arranged above the main arm support and connected with the chute barrel through a pipeline, and the other bag-type dust collector is arranged above the buffer storage tank. When the ash conveying pipe of the power plant conveys ash into the buffer storage tank and the chute discharges materials, the fly ash is lifted due to falling impact, a bag-type dust remover is needed to be arranged for preventing the fly ash from leaking and polluting the atmosphere, dust-containing air in the system is filtered and absorbed, and the dust-containing air is discharged after reaching the standard. The chute is arranged at one end of the auxiliary arm air conveying chute far away from the front support seat, the auxiliary arm support is fixed by the portal pull rod, and the bag-type dust collector for absorbing dust raised in the chute is arranged on the main arm support, so that the weight of the auxiliary arm support can be reduced, and the stable structure of the auxiliary arm support is facilitated.

For further improving the applicability of this device, buffer tank top still is equipped with pressure release valve, material level monitoring devices and overhauls the manhole. The pressure release valve can release air in the buffer storage tank, and prevents the internal overpressure of the storage tank from influencing the continuous ash conveying of the ash conveying pipe of the power plant due to the fact that a large amount of fly ash enters the storage tank. The material level monitoring device can provide the position data of the fly ash in the buffer storage tank for control personnel, and is convenient for adjusting the ash conveying speed of a power plant and the output power of the main arm gasification fan and the auxiliary arm gasification fan. The maintenance manhole can be convenient for maintainer to overhaul the buffer storage tank and maintain, improves the life of shipment machine.

Compared with the prior art, the utility model discloses an useful part lies in: the utility model provides an air delivery chute arc track shipment machine can realize the shipment of shipment machine to fly ash to carry out comprehensive protection to the shipment machine, can effectively prevent that fly ash from revealing polluting the atmosphere. The air conveying chute is simple in structure, the main body part is free of rotating parts, the equipment is light in weight, long in service life, convenient to seal and convenient to maintain, and the steel consumption of the main arm support and the auxiliary arm support can be saved. The gasification fan is adopted to provide power for the transportation of the fly ash, and the air conveying chute is obliquely arranged, so that the required energy consumption is low, and the fly ash shipping cost is further reduced.

Drawings

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

fig. 2 is a schematic structural diagram of a main arm of the present invention;

FIG. 3 is a schematic structural view of the auxiliary arm of the present invention;

fig. 4 is a plan view of the present invention.

The meaning of the reference numerals: 1-rear supporting seat, 2-main arm support, 3-buffer storage tank, 4-front supporting seat, 5-travelling mechanism, 6-arc track, 7-gantry upright post, 8-auxiliary arm support, 9-main arm gasification fan, 10-auxiliary arm gasification fan, 11-main arm air conveying chute, 12-auxiliary arm air conveying chute, 13-chute, 14-main arm rotary driving mechanism, 15-auxiliary arm rotary driving mechanism, 16-rotary feeding machine, 17-bag dust collector, 18-pneumatic gate valve and 19-manual gate valve.

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Detailed Description

The embodiment of the utility model provides a: as shown in fig. 1 or fig. 4, an air conveying chute arc-shaped rail ship loader is fixedly installed at the front edge of a wharf and used for shipment and export of pulverized fuel ash in a thermal power plant, and comprises a rear supporting seat 1, a main arm frame 2, a buffer storage tank 3, a front supporting seat 4, a traveling mechanism 5, an arc-shaped rail 6, a gantry upright post 7, an auxiliary arm frame 8, a rotary feeder 16, a main arm gasification fan 9, an auxiliary arm gasification fan 10, a main arm air conveying chute 11, an auxiliary arm air conveying chute 12 and a chute 13, wherein the rear supporting seat 1 is fixedly arranged at the front edge of the wharf, the arc-shaped rail 6 is arranged between the rear supporting seat 1 and a cargo ship berth with the axis of the rear supporting seat 1 as the center of a circle, the traveling mechanism 5 is arranged at the bottom of the front supporting seat 4, the traveling mechanism 5 is slidably arranged on the arc.

As shown in fig. 1, the buffer storage tank 3 is located above the rear support base 1, the inlet of the buffer storage tank 3 is connected with the ash conveying pipe of the power plant, the fly ash generated by the combustion of the thermal power plant can be directly conveyed into the buffer storage tank 3 of the ship loader through the ash conveying pipe of the power plant, the conveying efficiency of the fly ash is improved, and the conveying cost of the fly ash is greatly reduced, the outlet of the buffer storage tank 3 is connected with one end of a main arm air conveying chute 11 through a rotary feeder 16, the rotary feeder 16 is arranged at the top end of the rear support base 1, the rotary feeder 16 and the main arm air conveying chute 11 can horizontally rotate around the rear support base 1, the other end of the main arm air conveying chute 11 is connected with one end of a sub arm air conveying chute 12, the other end of the sub arm air conveying chute 12 extends to the cargo ship berth and is connected with a chute 13, so that the fly ash is conveyed to the chute 13 through the main arm air conveying chute 11 and the sub, finally, the complete process of loading is carried out by the chute 13. The rotary feeder 16 can be used for feeding, can prevent unsmooth ash conveying due to the phenomenon of air channeling in the coal ash shipping process, ensures the normal operation of the pneumatic ash conveying system at the upstream of the buffer storage tank 3, can ensure that the coal ash can smoothly pass through the rotary feeder 16, and improves the shipping efficiency of the coal ash.

The main arm support 2 and the auxiliary arm support 8 are of truss or plate beam structures, as shown in fig. 2, the main arm support 2 is arranged on the outer side of the main arm air conveying chute 11 and provides protection for the main arm air conveying chute 11. As shown in fig. 3, the sub-boom 8 is disposed outside the sub-boom air delivery chute 12 to protect the sub-boom air delivery chute 12. The main arm gasification fan 9 is connected with one end of the main arm air conveying chute 11 close to the rear supporting seat 1 to provide power for transferring the fly ash in the main arm air conveying chute 11, and the auxiliary arm gasification fan 10 is connected with one end of the auxiliary arm air conveying chute 12 close to the main arm air conveying chute 11 to provide power for transferring the fly ash in the auxiliary arm air conveying chute 12.

As shown in fig. 1, the gantry upright 7 is an L-shaped steel frame, the short side of which is horizontally arranged, and the long side of which is vertically arranged and extends upwards. The short edge of the portal upright post is arranged at the top end of the front supporting seat 4 and can drive the portal upright post 7 to horizontally rotate around the front supporting seat 4, and the auxiliary arm gasification fan 10 and the auxiliary arm support 8 are fixedly arranged on the portal upright post 7 and move together with the portal upright post 7 to further drive the auxiliary arm air conveying chute 12 to horizontally rotate. Meanwhile, the auxiliary arm air conveying chute 12 is connected with the main arm air conveying chute 11, and the front support seat 4 moves along the arc-shaped track 6 to drive the main arm air conveying chute 11 to horizontally rotate around the rear support seat 1.

In this embodiment, an included angle exists between the main arm air conveying chute 11 and the auxiliary arm air conveying chute 12 and the horizontal direction, the included angle is 7 degrees, the main arm air conveying chute 11 and the auxiliary arm air conveying chute 12 are inclined downwards near the cargo ship, the internal fly ash can move downwards under the action of self gravity, and the energy for transporting the fly ash in the ship loader is saved.

In the embodiment, when the vertical line between the rear supporting seat 1 and the front line of the wharf is a standard machine position line, and the main arm air conveying chute 11 and the auxiliary arm air conveying chute 12 of the ship loader are on the standard machine position line, the structure of the ship loader is most stable, and the position is also the position when the ship loader stops. The radius of arc track 6 is 8m, and the arc summit of arc track 6 is located standard machine position line, the rotation angle scope of main arm air delivery chute 11 is-45 to plus 45 of standard machine position line, the rotation angle scope of sub-arm air delivery chute 12 is-90 to plus 90 of standard machine position line, guarantees that slide pipe 13 can cover whole cargo ship, reduces the number of times that the cargo ship moved the position, has improved the work efficiency of shipment machine. The moving speed of the traveling mechanism 5 along the arc-shaped rail 6 is 0-8 m/min, the moving speed of the traveling mechanism 5 can be controlled by an operator, the moving speed can be adjusted according to actual working conditions, the traveling mechanism can be suitable for different working environments, and the moving speed of the traveling mechanism 5 is not too high so as not to influence the stability of equipment.

The chute tube 13 adopted in the embodiment is a telescopic chute tube which is composed of a plurality of sections and can be vertically stretched, and the chute tube 13 is positioned at the front end of the auxiliary arm air conveying chute 12 and plays roles in guiding bulk materials and inhibiting dust raising. The chute 13 is the last device when the ship loader unloads, fly ash is put into the cargo ship downwards from the chute 13, in this process, fly ash falls, raise dust can appear inevitably, the chute 13 is designed into a telescopic chute, the length of the chute can be adjusted according to the water level and the draught condition of the cargo ship, the length of the chute 13 is adjusted, the chute 13 is an important device for the ship loader to unload, an open-top ash ship can be directly loaded or connected with a professional sealed filling ash ship through a matched interface, when the chute is used for loading the open-top ash ship, the lower edge of the chute 13 is kept to be attached to the bottom of the cargo ship or the fly ash which has been loaded in the cargo ship as far as possible, gaps are reduced, and the raise dust is avoided.

As shown in fig. 2, the driving structure in this embodiment includes a main arm rotation driving mechanism 14 and an auxiliary arm rotation driving mechanism 15, the main arm rotation driving mechanism 14 is disposed on the traveling mechanism 5 to provide power for the traveling mechanism 5 and the front support base 4 to move along the arc-shaped track 6, and since the front support base 4 is connected to one end of the main arm air delivery chute 11 away from the rear support base 1 through the portal column 7 and the auxiliary arm air delivery chute 12, the main arm rotation driving mechanism 14 functions to drive the main arm air delivery chute 11 to move along the arc-shaped track 6 with the rear support base 1 as an axis. As shown in fig. 3, the sub-arm swing driving mechanism 15 is provided at a junction between the short side of the mast column 7 and the front support 4, and is configured to provide power for horizontal rotation of the mast column 7 and the sub-arm air delivery chute 12 about the front support 4. The rotary driving mechanism consists of motor, limiting moment coupling and speed reducer, and the final transmission stage may be gear and gear ring transmission. The ship loader is also provided with a standby rotary driving mechanism, when the main arm rotary driving mechanism 14 or the auxiliary arm rotary driving mechanism 15 breaks down, the standby rotary driving mechanism can drive the main arm air conveying chute 11 or the auxiliary arm air conveying chute 12 to return to the position of a standard machine line, and the problem that the ship loader is structurally damaged due to long-time deflection is avoided.

As shown in fig. 2, in order to improve the control accuracy of the embodiment, a pneumatic gate valve 18 and a manual gate valve 19 are further added, the pneumatic gate valve 18 and the manual gate valve 19 are arranged at the outlet of the buffer storage tank 3 and located between the buffer storage tank 3 and the rotary feeder 16, the opening degree of the outlet of the buffer storage tank 3 can be adjusted according to the actual working condition, the falling speed of the fly ash is adjusted, and the isolation effect can be achieved during the equipment maintenance.

As shown in fig. 1, in this embodiment, in order to further control the leakage of the fly ash, two bag-type dust collectors 17 are further added, wherein one bag-type dust collector 17 is disposed above the main arm support 2 and connected to the chute 13 through a pipeline, and the other bag-type dust collector 17 is disposed above the buffer storage tank 3. The bag-type dust collector 17 is a dry-type filter device capable of capturing fine, dry, non-fibrous dust. The ship loader has two structures in the conveying process of the fly ash, the fly ash can obviously fall, and dust raising can be caused, wherein one structure is that the fly ash in an ash conveying pipe of a power plant enters the buffer storage tank 3, the other structure is that the chute 13 pours the fly ash into a cargo ship, and two bag-type dust collectors 17 are added for preventing the fly ash from leaking and polluting the atmosphere. Further, since the chute 13 is positioned at the foremost end of the sub-boom air conveyance chute 12, in order to reduce the burden on the gantry link 8, one bag dust collector 17 is provided on the main boom 2 and connected to the chute 13 through a pipe.

As shown in fig. 1, in this embodiment, a pressure release valve, a material level monitoring device and an inspection manhole are further disposed above the buffer storage tank 3, the pressure release valve can discharge redundant air in the buffer storage tank, so as to prevent excessive pressure inside the storage tank from blocking ash transportation due to a large amount of fly ash entering, and the material level monitoring device can provide fly ash storage volume data in the buffer storage tank 3 for a controller, so as to facilitate adjustment of the ash transportation speed of a power plant and the rotation speeds of the main arm gasification fan 9 and the auxiliary arm gasification fan 10. The manhole is used for facilitating the maintenance of the buffer storage tank 3 by the maintainers.

The utility model discloses a theory of operation: as shown in fig. 1, the utility model provides an air delivery chute arc track shipment machine is applicable to and carries out the shipment to fly ash, and in the operation in-process of shipment, the power plant ash conveying pipe carries fly ash to buffer storage tank 3 in, and fly ash flows from buffer storage tank 3's export, through rotary feeder 16, main arm air delivery chute 11 and auxiliary arm air delivery chute 12 in order, finally pours into the cargo ship via swift current section of thick bamboo 13 in, accomplishes the shipment process.

The utility model discloses an air delivery chute and gasification fan cooperation have replaced the conveyer belt in the traditional shipment machine, have avoided fly ash to take place extensive raise dust because of external disturbance in data send process. The utility model discloses still through using flexible swift current section of thick bamboo and 17 effectual controls the raise dust of fly ash in whereabouts in-process, with fly ash raise dust control in controllable within range, avoid polluting the atmosphere.

The utility model discloses and power plant's ash conveying pipe leg joint can reduce the cost of transportation of thermal power plant's fly ash by a wide margin, has improved conveying efficiency. Because the fixed setting of power plant's ash conveying pipe, the shipment machine is also fixed to be set up in the pier forward position, for making swift current section of thick bamboo 13 can cover the cargo ship as far as, avoids the cargo ship frequent aversion, the utility model discloses an arc track design, main cantilever crane 2 can be rotatory around back supporting seat 1, and auxiliary cantilever crane 8 can be rotatory around preceding supporting seat 4, can realize covering whole cargo ship, has improved shipment efficiency.

Claims (6)

1. The utility model provides an air delivery chute arc track shipment machine, fixed mounting is in the pier front edge for the shipment outward transportation of thermal power factory fly ash, its characterized in that: the device comprises a rear supporting seat (1), a main arm support (2), a buffer storage tank (3), a front supporting seat (4), a travelling mechanism (5), an arc-shaped rail (6), a gantry upright post (7), an auxiliary arm support (8), a rotary feeder (16), a main arm gasification fan (9), an auxiliary arm gasification fan (10), a main arm air conveying chute (11), an auxiliary arm air conveying chute (12) and a chute (13), wherein the rear supporting seat (1) is fixedly arranged at the front edge of a wharf, the arc-shaped rail (6) is arranged between the rear supporting seat (1) and a cargo ship berth by taking the axis of the rear supporting seat (1) as the circle center, the travelling mechanism (5) is arranged at the bottom of the front supporting seat (4), the travelling mechanism (5) is slidably arranged on the arc-shaped rail (6), and the front supporting seat (4) can slide along the arc-; the device comprises a rear supporting seat (1), a buffer storage tank (3), a main arm air conveying chute (11), a rotary feeder (16), a slide barrel (13), a cargo ship; the main arm support (2) is arranged on the outer side of the main arm air conveying chute (11), the auxiliary arm support (8) is arranged on the outer side of the auxiliary arm air conveying chute (12), the main arm gasification fan (9) is connected with one end, close to the rear supporting seat (1), of the main arm air conveying chute (11), and the auxiliary arm gasification fan (10) is connected with one end, close to the main arm air conveying chute (11), of the auxiliary arm air conveying chute (12); the gantry upright post (7) is an L-shaped steel frame, the long edge is vertically arranged and extends upwards, the short edge is arranged at the top end of the front supporting seat (4), the gantry upright post (7) can rotate horizontally around the front supporting seat (4), and the auxiliary arm gasification fan (10) and the auxiliary arm support (8) are fixedly arranged on the gantry upright post (7) and move together with the gantry upright post (7).

2. The air delivery chute curved track loader of claim 1, wherein: the included angles between the main arm air conveying chute (11) and the auxiliary arm air conveying chute (12) and the horizontal direction are 6-8 degrees, one end, far away from the rear supporting seat (1), of the main arm air conveying chute (11) is lower than one end, close to the rear supporting seat (1), of the main arm air conveying chute (11), and one end, far away from the rear supporting seat (1), of the auxiliary arm air conveying chute (12) is lower than one end, close to the rear supporting seat (1), of the auxiliary arm air conveying chute (12).

3. The air delivery chute curved track loader of claim 1, wherein: the vertical line between the front line of the rear supporting seat (1) and the wharf is a standard machine position line, the radius of the arc-shaped track (6) is 8-10 m, the arc vertex of the arc-shaped track (6) is located on the standard machine position line, the rotating angle range of the main arm air conveying chute (11) is minus 45-45 degrees to plus 45 degrees of the standard machine position line, the rotating angle range of the auxiliary arm air conveying chute (12) is minus 90-90 degrees to plus 90 degrees of the standard machine position line, and the moving speed of the traveling mechanism (5) along the arc-shaped track (6) is 0-8 m/min.

4. The air delivery chute curved track loader of claim 1, wherein: the gantry crane further comprises a main arm rotation driving mechanism (14) and an auxiliary arm rotation driving mechanism (15), wherein the main arm rotation driving mechanism (14) is arranged on the traveling mechanism (5), and the auxiliary arm rotation driving mechanism (15) is arranged at the joint of the short edge of the gantry upright post (7) and the front supporting seat (4).

5. The air delivery chute curved track loader of claim 1, wherein: the device is characterized by further comprising a pneumatic gate valve (18) and a manual gate valve (19), wherein the pneumatic gate valve (18) and the manual gate valve (19) are arranged at an outlet of the buffer storage tank (3).

6. The air delivery chute curved track loader of claim 1, wherein: the device is characterized by further comprising two bag-type dust collectors (17), wherein one bag-type dust collector (17) is arranged above the main arm support (2) and connected with the chute (13) through a pipeline, and the other bag-type dust collector (17) is arranged above the buffer storage tank (3).

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