CN221116151U - Dust removing mechanism of dry slag bulk machine - Google Patents

Abstract

The application discloses a dust removing mechanism of a dry slag bulk machine, which relates to the technical field of bulk machine equipment and comprises an air cylinder cloth bag, a bulk head, a dust removing box and a conveying part, wherein the air cylinder cloth bag is sleeved outside a blanking pipe, the bulk head is used for covering a slag car feeding port and is simultaneously communicated with the blanking pipe and the air cylinder cloth bag, the dust removing box is connected with a dust collecting pipe, the dust collecting pipe is used for communicating the air cylinder cloth bag with the dust removing box, the bottom of the dust removing box is open, a first driving source for sucking air in the air cylinder cloth bag to the dust removing box is further arranged on the dust removing box, the conveying part is positioned at the bottom of the dust removing box, and one end of the conveying part extends into the blanking pipe. The application has the effect of improving the influence of a large amount of dust easily generated by slag in the loading process on the surrounding environment and staff.

Description

Dust removing mechanism of dry slag bulk machine

Technical Field

The application relates to the technical field of bulk machine equipment, in particular to a dust removing mechanism of a dry slag bulk machine.

Background

The dry slag bulk loading machine is also called a dry ash bulk loading machine, is special equipment for bulk cement loading or shipping, and can also be used for loading or shipping of non-corrosive low-abrasive powder materials in other industries such as building materials, electric power, metallurgy, coal, chemical industry and the like. The device is mainly used for loading and shipping under ash hoppers or ash storage in thermal power plants.

The existing most common bulk loading machine consists of an electric cabinet, a motor, a speed reducer, a pulley block, a blanking pipe, a steel wire rope, a bulk head and other main components, wherein the bulk head stretches into a slag car, slag enters the slag car through the blanking pipe, and the steel wire rope controls the bulk head to be close to or far away from the slag car.

Slag falls through the blanking pipe, and in the process of entering the slag car through the bulk head, dust is easy to leak from the bulk head and the slag car feed inlet, so that the dust drifts to the peripheral side of the blanking pipe, and the surrounding environment and on-site workers are influenced.

Disclosure of utility model

In order to improve the condition that slag is easy to generate a large amount of dust in the loading process and is easy to influence the surrounding environment and staff, the application provides a dust removing mechanism of a dry slag bulk machine.

The application provides a dust removing mechanism of a dry slag bulk machine, which adopts the following technical scheme:

A dust removing mechanism of a dry slag bulk machine, which comprises

The air duct cloth bag is sleeved outside the blanking pipe;

The bulk head is used for covering a slag car feeding port and is communicated with the blanking pipe and the air duct cloth bag;

The dust collection device comprises a dust collection box, a dust collection pipe, a dust collection box and a first driving source, wherein the dust collection box is connected with the dust collection pipe, the dust collection pipe is used for communicating an air duct cloth bag with the dust collection box, the bottom of the dust collection box is provided with an opening, and the dust collection box is also provided with the first driving source for sucking air in the air duct cloth bag to the dust collection box;

the conveying piece is positioned at the bottom of the dust removing box, and one end of the conveying piece extends into the blanking pipe.

Through adopting above-mentioned technical scheme, slag charge pours into the slag car through unloading pipe and the bulk head that are linked together, the dryer sack cover is established outside flexible pipe for the dust that produces at dress sediment in-process is blocked inside the dryer sack, effectively in order to reduce the diffusion of dust, the dust removal case passes through dust absorption pipe and dryer sack inner space intercommunication, after the first actuating source starts, by the dust of separation inside the dryer sack through the dust absorption pipe suction dust removal case in, the dust accessible conveyer returns to the unloading pipe again at last, realize cyclic utilization, reduce the loss of slag charge in the transportation.

Optionally, the automatic feeding device further comprises a telescopic pipe and a lifting piece, wherein the telescopic pipe is positioned in the air duct cloth bag, one end of the telescopic pipe is connected with the blanking pipe, the other end of the telescopic pipe is connected with the bulk head, and the lifting piece is used for lifting the bulk head.

Through adopting above-mentioned technical scheme, dust removal mechanism still includes flexible pipe and lifting element, and flexible pipe is located dryer sack, and flexible pipe one end is linked together with the unloading pipe, and the other end is linked together with the bulk head for the slag charge can get into flexible pipe along the unloading pipe, gets into the slag car from the bulk head at last, and flexible pipe can extend along with the bulk head, makes the slag charge be in flexible pipe all the time in the in-process of whereabouts, effectively reduces the revealing of slag charge, lifting element steerable bulk head's lift.

Optionally, the telescopic pipe is formed by sequentially sleeving and connecting a plurality of identical sleeves from head to tail, the outer diameter of the sleeve is gradually reduced from top to bottom, the top-most sleeve is used for being connected with the bottom of the blanking pipe, and the bottom-most sleeve is used for being connected with the bulk head.

Through adopting above-mentioned technical scheme, flexible pipe is established by a plurality of sections sleeves cover in order and is connected together and form, and sleeve external diameter top-down reduces gradually for the whole volume after the sleeve shrink together is less, is convenient for accomodate and places, and flexible pipe can be through the distance between the adjustment sleeve, controls the stroke of unloading.

Optionally, the dryer sack is provided with a plurality of solid fixed rings along self length direction interval, and a plurality of hoisting pieces are worn to locate a plurality of guy wires of solid fixed ring, guy wires one end is connected with the bulk head.

Through adopting above-mentioned technical scheme, the interval is provided with solid fixed ring on the dryer sack, wears to be equipped with wire rope on the solid fixed ring, and wire rope one end is connected with the head of in bulk, and the head of in bulk of wire rope steerable is in the ascending removal of vertical direction for in the feed inlet of slag car can fall into in bulk, wire rope can also carry out spacing to the dryer sack when controlling the head of in bulk and go up and down, makes the dryer sack can overlap constantly and establish outside flexible pipe, restriction dust diffusion.

Optionally, the fixed ring includes outer loop and inner ring, inner ring coaxial coupling is inboard in the outer loop, dryer sack is fixed in between outer loop and the inner ring, fixed ring and sleeve one-to-one.

Through adopting above-mentioned technical scheme, the solid fixed ring includes outer loop and inner ring, and the dryer sack is fixed between outer loop and inner ring, and outer loop and inner ring can be further spacing to the dryer sack for the dryer sack can remain self shape throughout, does not warp seriously, hinders the seal to the dust.

Optionally, the inner ring is close to self axis one side and is provided with the connecting rod, connecting rod keeps away from inner ring one end and sleeve connection.

Through adopting above-mentioned technical scheme, the sleeve passes through the connecting rod and links together with the inner ring of solid fixed ring for gu fixed ring and sleeve one-to-one, gu fixed ring and sleeve can go up and down in step, have promoted the stability of dryer sack and flexible pipe when the operation.

Optionally, the connecting rod includes head rod and second connecting rod, head rod one end sliding connection is in the second connecting rod, be provided with the elastic component in the second connecting rod, the elastic component both ends offset or are connected with head rod and sleeve lateral wall respectively.

Through adopting above-mentioned technical scheme, the connecting rod includes first connecting rod and the second connecting rod that can slide each other, is provided with the elastic component between first connecting rod and the second connecting rod, when there is radial relative displacement along self axis between dryer sack and the flexible pipe, the connecting rod is scalable in order to absorb partial impact for the bulk connection is more stable.

Optionally, the outer wall of the bulk head is provided with an annular elastic air bag, the elastic air bag is used for propping against the side wall of the slag car feeding hole, and the bulk head is also provided with a second driving source for controlling the inflation and deflation of the elastic air bag.

Through adopting above-mentioned technical scheme, the bulk head outer wall is provided with annular elastic air bag, and the second actuating source can control the gassing of filling of elastic air bag, and after the bulk head was placed steadily in the feed inlet of slag car, the second actuating source controlled the elastic air bag and was inflated to fill the clearance between bulk head and the feed inlet, further reduce the outer hourglass of dust.

Optionally, a position sensor is arranged on the outer wall of the bulk head, and the position sensor is used for monitoring the relative position of the bulk head and the slag car and can send an instruction to control the start and stop of the second driving source.

By adopting the technical scheme, the position sensor is arranged on the bulk head, and after the bulk head falls down, the position sensor sends an instruction to control the second driving source to start so as to inflate the elastic air bag; on the contrary, when the bulk head leaves the slag car feed inlet, the position sensor controls the second driving source to be closed, and the elastic air bag is exhausted and contracted.

Optionally, the outer wall of the air duct cloth bag is provided with a dustproof coating, and the inner wall of the air duct cloth bag is provided with a wear-resistant coating.

By adopting the technical scheme, the outer wall and the inner wall of the air duct cloth bag are respectively coated with the dustproof coating and the wear-resistant coating, so that the wear resistance and the tightness of the air duct cloth bag are further enhanced.

In summary, the present application includes at least one of the following beneficial effects:

1. the telescopic pipe is sleeved with the air duct cloth bag, and the dust removing box and the conveying part which are communicated are arranged outside the air duct cloth bag, so that the leakage of dust is effectively reduced, the loss of slag in the conveying process is reduced, and the influence of dust on the surrounding environment and personnel is reduced;

2. An elastic air bag and a position sensor are arranged on the bulk head, and the position sensor monitors the position of the bulk head so as to send an instruction to control a second driving source to charge and discharge the elastic air bag, so that leakage of dust is further reduced;

3. A telescopic connecting rod is arranged between the fixed ring and the sleeve to absorb impact generated by relative displacement between the air duct cloth bag and the telescopic pipe, so that the stability of the whole mechanism during ash conveying is ensured.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of the overall structure of an embodiment of the present application;

FIG. 3 is a schematic view showing a partial cross-section of the inner structure of a cloth bag of a wind tunnel and a telescopic tube according to an embodiment of the present application;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

FIG. 5 is a schematic view in partial cross-section showing a connecting rod in accordance with an embodiment of the present application;

FIG. 6 is an enlarged schematic view at B in FIG. 5;

fig. 7 is a schematic view in partial cross-section showing a bulk head in accordance with an embodiment of the application.

Reference numerals illustrate: 1. a dust removal box; 11. a dust collection pipe; 12. a first driving source; 2. a wind tube cloth bag; 21. a fixing ring; 211. an outer ring; 212. an inner ring; 213. a limiting ring; 3. a fixed platform; 31. a communicating pipe; 32. discharging pipes; 4. a bulk head; 41. a discharge port; 42. a butt joint rod; 43. a mounting plate; 44. a pull ring; 45. an elastic air bag; 46. a second driving source; 47. a position sensor; 48. fireproof dustproof curtains; 5. a telescopic tube; 51. a sleeve; 52. a connecting rod; 521. a first connecting rod; 522. a second connecting rod; 53. an elastic member; 6. dust blocking cavity; 7. a transfer member; 71. a third driving source; 72. a conveying shaft; 73. conveying blades; 74. a housing; 8. a wire rope; 9. butt joint; 91. and a feed inlet.

Detailed Description

The application is described in further detail below with reference to fig. 1-7.

The embodiment of the application discloses a dust removing mechanism of a dry slag bulk machine, which comprises a dust removing box 1 and a wind barrel cloth bag 2, wherein a fixed platform 3 is arranged between the dust removing box 1 and the wind barrel cloth bag 2, and referring to fig. 1 and 2. The bottom of the dust removal box 1 is fixed above the fixed platform 3 through supporting legs, the air duct cloth bag 2 is vertically placed, the upper end of the air duct cloth bag 2 is fixed with the bottom of the fixed platform 3, a bulk head 4 is coaxially fixed at one end of the bottom of the air duct cloth bag 2, a discharge hole 41 is formed in the bottom of the bulk head 4, a communicating pipe 31 is fixed above the fixed platform 3 and corresponds to the position of the air duct cloth bag 2, the communicating pipe 31 is communicated with the air duct cloth bag 2, and a blanking pipe 32 is communicated with the upper end of the communicating pipe 31.

The side wall of the dust removing box 1 is communicated with a dust collecting pipe 11, and one end, far away from the dust removing box 1, of the dust collecting pipe 11 is communicated with a communicating pipe 31. The side wall of the dust removal box 1 is also fixed with a first driving source 12, the first driving source 12 can be a negative-pressure pumping fan, and the first driving source 12 is communicated with the dust removal box 1 through an exhaust pipe of the first driving source. The inside coaxial flexible pipe 5 that is provided with of dryer sack 2, flexible pipe 5 are linked together with unloading pipe 32, form between dryer sack 2 and flexible pipe 5 and hinder dirt cavity 6, and dust absorption pipe 11 is linked together with hinder dirt cavity 6, and bulk head 4 is all linked together with hinder dirt cavity 6 and flexible pipe 5.

During operation, the bulk head 4 is in butt joint with the feed inlet 91 of the slag car, slag falls into the slag car through the blanking pipe 32 and the telescopic pipe 5 which are communicated, dust generated in the slag loading process enters the dust blocking cavity 6, and at the moment, the first driving source 12 is started to suck the dust into the dust removing box 1 through the dust blocking cavity 6 and the dust collecting pipe 11, so that the dust can be conveniently treated uniformly.

Referring to fig. 1 and 2, a conveying member 7 is fixed on a fixing platform 3 at the bottom of a dust removing box 1, the conveying member 7 is a screw conveyor, the conveying member 7 comprises a housing 74, the dust removing box 1 is communicated with the housing 74, one end of the housing 74 extends into a communicating pipe 31 and is communicated with a blanking pipe 32, a third driving source 71 is fixed at the other end of the housing 74, the third driving source 71 can be a servo motor, a conveying shaft 72 is rotatably connected inside the housing 74, conveying blades 73 are fixed on the conveying shaft 72, and the third driving source 71 is used for driving the conveying shaft 72 to rotate.

The dust removal box 1 sucks the dust in the dust blocking cavity 6, the dust entering the dust removal box 1 falls into the conveying part 7 under the action of self gravity, and the third driving source 71 drives the conveying blades 73 on the conveying shaft 72 to rotate, so that the dust reenters the blanking pipe 32, and the loss of slag in the conveying process is reduced. In other embodiments of the application, a vibrator may also be provided on the outer wall of the dust box 1, so that dust falls more easily without easily forming a pile in the dust box 1. In other embodiments of the application, the conveyor 7 may also be provided as a sealed housing, and a conveyor belt is provided in the sealed housing for transporting dust.

Referring to fig. 2 and 3, the telescopic tube 5 is composed of a plurality of identical sleeves 51 stacked together, the topmost sleeve 51 is fixed with the blanking tube 32, and the sleeve 51 has a trapezoid shape with a wider upper part and a narrower lower part along the axis of the sleeve. The inner wall of the bulk head 4 is fixed with a supporting rod 42, and a sleeve 51 at the bottommost part is fixed with the supporting rod 42. The sleeves 51 are sequentially sleeved and stacked from top to bottom, and the sleeves 51 can be mutually close to or far away from each other so as to realize the telescopic function.

Referring to fig. 3 and 4, the air duct cloth bag 2 is provided with fixing rings 21 at intervals along the length direction thereof, the fixing rings 21 are horizontally placed, and the air duct cloth bag 2 is fixed with the bulk head 4 through the bottom-most fixing ring 21. The fixing ring 21 comprises an outer ring 211 and an inner ring 212, the outer ring 211 and the inner ring 212 can be mutually clamped to form a whole, the outer ring 211 is positioned on one side of the outer wall of the air duct cloth bag 2, the inner ring 212 is positioned on one side of the inner wall of the air duct cloth bag 2, and after the outer ring 211 is clamped with the inner ring 212, the air duct cloth bag 2 is fixed between the outer ring 211 and the inner ring 212.

The outer ring 211 is fixed with spacing ring 213 far away from inner ring 212 one end, and spacing ring 213 axis direction is vertical, wears to be equipped with wire rope 8 in the spacing ring 213, and bulk head 4 is close to dryer sack 2 one end and is fixed with mounting panel 43, and the welding of mounting panel 43 upper end has pull ring 44, and wire rope 8 bottom one end wears to establish in pull ring 44 and fixes.

When the bulk head 4 needs to be lifted or lowered, only the steel wire rope 8 needs to be pulled upwards or lowered. When the steel wire rope 8 is pulled upwards, the steel wire rope 8 drives the bulk head 4 to ascend, the bulk head 4 drives the bottommost fixing ring 21 and the sleeves 51 to ascend together, in the ascending process, the contacted sleeves 51 are stacked with each other and ascend together, the air duct cloth bag 2 is folded between the adjacent fixing rings 21 naturally along with the ascending of the fixing rings 21, and when all the sleeves 51 are stacked together, the steel wire rope 8 is stopped from being pulled upwards. Conversely, when the bulk head 4 is lowered, only the steel wire rope 8 is required to be lowered, and the stacked fixing ring 21 and sleeve 51 can be lowered together with the bulk head 4 until the bulk head 4 contacts the slag car feed port 91.

Referring to fig. 5 and 6, a connecting rod 52 is fixed at one end of the inner ring 212 far away from the outer ring 211, the connecting rod 52 includes a first connecting rod 521 and a second connecting rod 522, the first connecting rod 521 is fixed with the inner ring 212, one end of the second connecting rod 522 far away from the first connecting rod 521 is fixed with the side wall of the sleeve 51 through threaded connection, one end of the first connecting rod 521 slides in the second connecting rod 522, an elastic piece 53 is provided in the second connecting rod 522, the elastic piece 53 can be a pressure spring, one end of the elastic piece 53 abuts against the first connecting rod 521, and the other end abuts against the side wall of the sleeve 51. In other embodiments of the present application, the elastic member 53 may be a spring piece or a rubber piece, and may deform itself when the first connecting rod 521 and the second connecting rod 522 move relatively, and recover its original state after the deformation is completed.

The sleeve 51 is fixed on the inner ring 212 through the first connecting rod 521 and the second connecting rod 522, so that the sleeve 51 and the corresponding fixed ring 21 can synchronously lift, and the linkage between the sleeve 51 and the air duct cloth bag 2 is enhanced; meanwhile, the first connecting rod 521 can slide relative to the second connecting rod 522, and the elastic piece 53 is abutted against the side walls of the first connecting rod 521 and the sleeve 51, so that when the sleeve 51 swings in the air duct cloth bag 2 or the air duct cloth bag 2 swings relative to the sleeve 51, the elastic piece 53 can absorb the impact generated between the air duct cloth bag 2 and the sleeve 51 due to relative displacement through elastic deformation of the elastic piece 53, and the whole formed by the air duct cloth bag 2 and the sleeve 51 has a larger moving range.

Referring to fig. 7, the bulk head 4 is formed in a cylindrical shape with a wide upper part and a narrow lower part, and a ring-shaped elastic air bag 45 is fixed to the outer side wall of the bulk head 4, and the elastic air bag 45 is attached to the side wall of the bulk head 4. The mounting plate 43 is fixed with a second driving source 46, the second driving source 46 is a miniature electric inflator pump, and the second driving source 46 is communicated with the elastic air bag 45 through an inflation tube of the second driving source 46 so as to control inflation and deflation of the elastic air bag 45. The position of the bottom of the mounting plate 43 corresponding to the slag car butt joint 9 is fixed with a position sensor 47, and the dust removing mechanism of the dry slag bulk machine further comprises an electric cabinet arranged outside, wherein a control unit in the electric cabinet is electrically connected with the second driving source 46 and the position sensor 47, so that the electric cabinet can receive signals of the position sensor 47 and control the start and stop of the second driving source 46.

When slag is loaded, the bulk head 4 falls corresponding to the butt joint 9 of the slag car until the bulk head 4 enters the feed port 91 of the slag car, when the distance between the mounting plate 43 and the butt joint 9 reaches the range monitored by the position sensor 47, the position sensor 47 sends a signal to the control unit of the electric cabinet, at the moment, the control unit of the electric cabinet sends an instruction to the second driving source 46, the second driving source 46 is started, the second driving source 46 inflates the elastic air bag 45, and the inflation is stopped after the air pressure in the elastic air bag 45 reaches a certain value. After the elastic air bags 45 are expanded, gaps between the bulk head 4 and the feeding holes 91 are blocked, so that leakage of slag in the falling process is effectively reduced.

After loading, the wire rope 8 lifts the bulk head 4, when the distance between the mounting plate 43 and the butt joint 9 is larger than the monitoring range of the position sensor 47, the position sensor 47 sends a signal to the control unit of the electric cabinet, and at the moment, the control unit of the electric cabinet sends an instruction to the second driving source 46, and the second driving source 46 exhausts the air in the elastic air bag 45.

Referring to fig. 7, a circle of fireproof and dustproof curtain 48 is fixed at the bottom of the mounting plate 43, the inner diameter of the fireproof and dustproof curtain 48 is larger than that of the butt joint 9, and the fireproof and dustproof curtain 48 is made of fireproof and dustproof materials, so that when slag is loaded, the butt joint 9 and the bulk head 4 can be covered by the fireproof and dustproof curtain 48, and the diffusion of dust is further reduced.

The implementation principle of the dust removing mechanism of the dry slag bulk machine provided by the embodiment of the application is as follows: the dryer sack 2 cover is established outside the flexible pipe 5 of unloading, form between dryer sack 2 and the flexible pipe 5 and hinder dirt cavity 6, dust collection box 1 passes through dust absorption pipe 11 and hinders dirt cavity 6 intercommunication, make dust collection box 1 can suck away the dust that hinders in the dirt cavity 6, transfer piece 7 and flexible pipe 5 intercommunication, can send the ash material that collects in the dust collection box 1 back into flexible pipe 5, reduce the loss of slag charge in the transportation process, position sensor 47 can be through the distance between monitoring bulk head 4 and the slag car, thereby control second actuating source 46 and charge and discharge for elastic air bag 45, make elastic air bag 45 can carry out the shutoff to the clearance between bulk head 4 and the feed inlet 91, reduce the diffusion of the revealing of dust.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (5)

1. The utility model provides a dry sediment bulk machine dust removal mechanism which characterized in that: comprising

The air duct cloth bag (2) is sleeved outside the blanking pipe (32);

The bulk head (4) is used for covering a slag car feed inlet (91) and is simultaneously communicated with the blanking pipe (32) and the air duct cloth bag (2);

The dust collection device comprises a dust collection box (1), wherein a dust collection pipe (11) is connected to the dust collection box (1), the dust collection pipe (11) is used for communicating an air duct cloth bag (2) with the dust collection box (1), the bottom of the dust collection box (1) is provided with an opening, and a first driving source (12) for sucking air in the air duct cloth bag (2) to the dust collection box (1) is further arranged on the dust collection box (1);

the conveying piece (7), the said conveying piece (7) locates at the bottom of the dust-removing box (1), and one end extends into blanking tube (32);

The wind tunnel cloth bag (2) is provided with a plurality of fixing rings (21) at intervals along the length direction of the wind tunnel cloth bag (2), a plurality of lifting pieces are steel wire ropes (8) penetrating through a plurality of the fixing rings (21), one end of each steel wire rope (8) is connected with a bulk head (4), each fixing ring (21) comprises an outer ring (211) and an inner ring (212), each inner ring (212) is coaxially connected to the inner side of the corresponding outer ring (211), the wind tunnel cloth bag (2) is fixed between the corresponding outer ring (211) and each inner ring (212), and the fixing rings (21) are in one-to-one correspondence with the corresponding sleeve (51);

The inner ring (212) is close to one side of the axis of the inner ring (212) and is provided with a connecting rod (52), one end of the connecting rod (52) away from the inner ring (212) is connected with the sleeve (51), the connecting rod (52) comprises a first connecting rod (521) and a second connecting rod (522), one end of the first connecting rod (521) is slidably connected in the second connecting rod (522), an elastic piece (53) is arranged in the second connecting rod (522), and two ends of the elastic piece (53) are respectively propped against or connected with the side walls of the first connecting rod (521) and the sleeve (51).

2. The dry slag bulk machine dust removal mechanism of claim 1, wherein: the automatic lifting device is characterized by further comprising a telescopic pipe (5) and a lifting piece, wherein the telescopic pipe (5) is positioned in the air duct cloth bag (2), one end of the telescopic pipe is connected with the blanking pipe (32), the other end of the telescopic pipe is connected with the bulk head (4), and the lifting piece is used for lifting the bulk head (4).

3. The dry residue bulk machine dust removal mechanism of claim 2, wherein: the telescopic pipe (5) is formed by sequentially sleeving and connecting a plurality of identical sleeves (51) from head to tail, the outer diameter of each sleeve (51) is gradually reduced from top to bottom, the top-most sleeve (51) is used for being connected with the bottom of the blanking pipe (32), and the bottom-most sleeve (51) is used for being connected with the bulk head (4).

4. The dry slag bulk machine dust removal mechanism of claim 1, wherein: the outer wall of the bulk head (4) is provided with an annular elastic air bag (45), the elastic air bag (45) is used for propping against the side wall of the slag car feeding hole (91), and the bulk head (4) is also provided with a second driving source (46) for controlling the inflation and deflation of the elastic air bag (45).

5. The dust removing mechanism of a dry slag bulk machine as set forth in claim 4, wherein: the outer wall of the bulk head (4) is provided with a position sensor (47), and the position sensor (47) is used for monitoring the relative distance between the bulk head (4) and the slag car and can send an instruction to control the start and stop of the second driving source (46).