CN214421815U

CN214421815U - Dust-proof device for coal unloading in vehicle transportation

Info

Publication number: CN214421815U
Application number: CN202023020037.0U
Authority: CN
Inventors: 严晓阳; 郑伟艺; 王震皓
Original assignee: Huaneng Fujian Zhangzhou Energy Co ltd
Current assignee: Huaneng Fujian Zhangzhou Energy Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-10-19
Anticipated expiration: 2030-12-15

Abstract

The utility model relates to a dust-proof device for unloading coal in truck transportation, which comprises a carriage cover which can be automatically opened and closed on a carrying carriage of a coal truck, a vertical frame which is arranged around a filter screen above a coal hopper, filter cloth and a soot blowing mechanism; a discharge door is arranged on one side of the vertical frame, which is close to the coal truck; the height of one side of the vertical frame, which is close to the coal truck, is higher than that of the other side; the filter cloth is fixed on the periphery of the vertical frame except the discharge door; the middle part of the filter cloth is a U-shaped telescopic part; the protruding end of the U-shaped telescopic part falls downwards when the material is not unloaded; the soot blowing mechanism comprises a blower and an air pipe fixed on the discharge door along the door edge, the air pipe is connected with a blower pipeline, and the air pipe is provided with a through air outlet uniformly along the axial direction on the surface of one side of the center of the discharge door. The utility model discloses a set up the cooperation of vertical frame and U-shaped filter cloth and intercept the dust, can not influence coal humidity, and be provided with the railway carriage or compartment lid that can open and shut automatically, tuber pipe and air outlet also can prevent the dust effusion better.

Description

Dust-proof device for coal unloading in vehicle transportation

Technical Field

The utility model relates to a car transportation coal unloading dust keeper belongs to the dustproof facilities field.

Background

Coal is an important fuel of a thermal power plant, a common coal unloading facility comprises a tipper room and a coal unloading ditch, wherein the coal unloading ditch comprises a train coal unloading ditch and an automobile coal unloading ditch, and the automobile coal unloading ditch is widely applied as the coal unloading facility due to strong coal carrying mobility, flexible scheduling and low investment of transportation facilities, namely, a vehicle transports the coal to the upper part of a coal hopper, the coal unloading ditch is arranged below the coal hopper, and then a rear carrying compartment of the vehicle is dumped to drop the coal to the coal unloading ditch from top to bottom. And the dust flies upward when unloading and can cause environmental pollution and influence constructor's operational environment, is unfavorable for constructor's healthy. The existing coal unloading dustproof device of the thermal power plant adopts a coal unloading dustproof cover to cooperate with a dust removal spray pipe for spraying to suppress dust, for example, the dust falling device for the thermal power plant disclosed by the Chinese patent CN210332082U has the problems that the humidity of coal is not easy to control, adhesion in the subsequent coal transportation process is caused, blockage in the coal transportation process is caused seriously, and the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a car transport coal unloading dust keeper intercepts the dust through the cooperation that sets up vertical frame and U-shaped filter cloth, and the simple installation can not increase coal humidity, and be provided with the railway carriage or compartment lid that can open and shut automatically, tuber pipe and air outlet also can prevent the dust escape better.

The technical scheme of the utility model as follows:

a dust-proof device for unloading coal in truck comprises a carriage cover which can be automatically opened and closed on a carrying carriage of a coal truck, a vertical frame which is arranged around a filter screen above a coal hopper, filter cloth and a soot blowing mechanism; a discharge door is arranged on one side of the vertical frame, which is close to the coal truck; close to one side of the coal truck; the filter cloth is fixed on the periphery of the vertical frame except the discharge door; the middle part of the filter cloth is a U-shaped telescopic part; the protruding end of the U-shaped telescopic part falls downwards when the material is not unloaded; the soot blowing mechanism comprises a blower and an air pipe fixed on the discharge door along the door edge, the air pipe is connected with a blower pipeline, and the air pipe is provided with a through air outlet uniformly along the axial direction on the surface of one side of the center of the discharge door.

The vertical frame comprises a horizontal rectangular bottom frame arranged around the filter screen, first stand columns with two lower ends respectively fixed at the two same side corners of the rectangular bottom frame, second stand columns with two lower ends respectively fixed at the two side corners of the other side of the rectangular bottom frame, a first cross rod with two ends respectively connected with the upper ends of the two first stand columns, a second cross rod with two ends respectively connected with the upper ends of the two second stand columns, and an inclined rod with two ends respectively connected with the upper ends of the first stand columns and the upper ends of the second stand columns; the first upright post is higher than the second upright post; a discharge door is formed between the two first upright columns and the first cross rod; the air pipe is fixed on the two first upright posts and the first cross rod.

The compartment cover comprises a rear cover arranged at the tail end of the vehicle and two arc-shaped upper covers arranged above the carrying compartment; the upper end of the rear cover is hinged on the side edge of the loading compartment and the opening and closing angle is adjusted through a first hydraulic cylinder arranged on the loading compartment; two arc upper covers symmetry set up in carrying thing railway carriage or compartment both sides, and the lower extreme of arc upper cover is articulated with carrying thing railway carriage or compartment lateral wall, is provided with two second pneumatic cylinders on the terminal surface before carrying the thing railway carriage or compartment, and the second pneumatic cylinder both ends are articulated with arc upper cover outer wall and carry thing railway carriage or compartment preceding terminal surface respectively, and the angle that opens and shuts of two arc upper covers is controlled to the second pneumatic cylinder.

Wherein, the filter cloth and the vertical frame are detachably fixed.

The outer surface of the filter cloth is fixedly provided with a plurality of binding ropes, the vertical frame is provided with a fixing ring, and the binding ropes penetrate through the fixing ring to be bound.

The lower end face of the rectangular bottom frame is provided with a plurality of grooves with downward openings, vertical third hydraulic cylinders are fixedly arranged in the grooves, and universal wheels are fixedly arranged at the lower ends of the third hydraulic cylinders; the third hydraulic cylinder stretches and retracts to enable the universal wheel to extend out of the groove or retract into the groove.

The utility model discloses following beneficial effect has:

the utility model is provided with the vertical frame and the U-shaped filter cloth to intercept dust, and the dust airflow caused during coal unloading can expand the filter cloth which falls down, thus increasing the dust receiving area of the filter cloth, and the dust is intercepted by the filter cloth and falls down to the filter screen; the installation is simple and convenient, can not increase coal humidity, and be provided with automatically that the railway carriage or compartment lid, tuber pipe and the air outlet that can open and shut also can prevent the dust escape better to play the effect of the operational environment of protection ecological environment and guarantee staff health.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the vertical frame and the blowing mechanism of the present invention;

fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention;

FIG. 4 is a schematic view of the filter cloth of the present invention without coal discharge;

FIG. 5 is a schematic view of the filter cloth of the present invention during coal discharge;

fig. 6 is a schematic view of the front end face of the carrying compartment of the present invention.

The reference numbers in the figures denote:

a coal truck 1; a loading compartment 2; a compartment cover 3; a rear cover 31; a first hydraulic cylinder 32; an arc-shaped upper cover 33; a second hydraulic cylinder 34; a coal hopper 4; a filter screen 41; a vertical frame 5; a rectangular bottom frame 51; a first upright 52; a second upright 53; a first cross bar 54; a second cross bar 55; a diagonal rod 56; a discharge gate 57; a filter cloth 6; a soot blowing mechanism 7; a blower 71; an air duct 72; an air outlet 73; a coal discharge ditch 8.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to the attached drawings 1-6, the dust-proof device for unloading coal in truck comprises a carriage cover 3 which can be automatically opened and closed on a carrying carriage 2 of a coal truck 1, a vertical frame 5 which is arranged around a filter screen 41 above a coal hopper 4, filter cloth 6 and a soot blowing mechanism 7; a discharge door 57 is arranged on one side of the vertical frame 5 close to the coal truck 1; close to the side of the coal truck 1; the filter cloth 6 is fixed on the periphery of the vertical frame 5 except the discharge door 57; the middle part of the filter cloth 6 is a U-shaped telescopic part; the protruding end of the U-shaped telescopic part falls downwards when the material is not unloaded; the soot blowing mechanism 7 comprises a blower 71 and an air pipe 72 fixed on the discharging door 57 and arranged along the door edge, the air pipe 72 is in pipeline connection with the blower 71, and through air outlets 73 are uniformly formed in the surface of one side of the air pipe 72 facing the center of the discharging door 57 along the axial direction.

Referring to fig. 1-6, the vertical frame 5 includes a horizontal rectangular bottom frame 51 disposed around the filter screen 41, first upright columns 52 having two lower ends respectively fixed to two same side corners of the rectangular bottom frame 51, second upright columns 53 having two lower ends respectively fixed to two side corners of the other side of the rectangular bottom frame 51, a first cross bar 54 having two ends respectively connected to the upper ends of the two first upright columns 52, a second cross bar 55 having two ends respectively connected to the upper ends of the two second upright columns 53, and an inclined bar 56 having two ends respectively connected to the upper ends of the first upright columns 52 and the upper ends of the second upright columns 53; first upright 52 is higher than second upright 53; a discharge door 57 is formed between the two first upright columns 52 and the first cross bar 54; the air duct 72 is secured to the two first uprights 52 and the first cross bar 54.

Referring to fig. 1-6, the compartment cover 3 includes a rear cover 31 disposed at the end of the vehicle and two arc-shaped upper covers 33 disposed above the loading compartment 2; the upper end of the rear cover 31 is hinged on the side edge of the carrying compartment 2 and the opening and closing angle is adjusted by a first hydraulic cylinder 32 arranged on the carrying compartment 2; the two arc-shaped upper covers 33 are symmetrically arranged on two sides of the carrying compartment 2, the lower ends of the arc-shaped upper covers 33 are hinged to the side wall of the carrying compartment 2, two second hydraulic cylinders 34 are arranged on the front end face of the carrying compartment 2, two ends of each second hydraulic cylinder 34 are hinged to the outer wall of the arc-shaped upper cover 33 and the front end face of the carrying compartment 2 respectively, and the second hydraulic cylinders 34 control the opening and closing angles of the two arc-shaped upper covers 33.

The filter cloth 6 and the vertical frame 5 are detachably fixed. The outer surface of the filter cloth 6 is fixedly provided with a plurality of binding ropes, the vertical frame 5 is provided with a fixing ring, and the binding ropes penetrate through the fixing ring to be bound.

A plurality of grooves with downward openings are formed in the lower end face of the rectangular bottom frame 51, vertical third hydraulic cylinders are fixedly arranged in the grooves, and universal wheels are fixedly arranged at the lower ends of the third hydraulic cylinders; the third hydraulic cylinder stretches and retracts to enable the universal wheel to extend out of the groove or retract into the groove.

The utility model discloses a theory of operation:

the coal transporting truck 1 transports coal to the upper part of the coal hopper 4, then the coal transporting truck 1 backs up, the tail end of the coal transporting truck 1 penetrates through the discharging door 57, then the first hydraulic cylinder 32 controls the opening and closing angle of the rear cover 31, the overturning cylinder on the coal transporting truck 1 works, the front end of the carrying compartment 2 of the coal transporting truck 1 is lifted, the coal falls down and is conveyed into the coal unloading ditch 8 through the filter screen 41, at the moment, the caused dust airflow can expand the filter cloth 6 which falls down, the dust receiving area of the filter cloth 6 can be increased, the dust is intercepted by the filter cloth 6 and falls down to the filter screen 41, and part of air escapes from the holes of the filter cloth 6; and now with the blower 71 activated, air is blown out of the outlet 73 through the duct 72, and the discharge door 57 forms a "damper" preventing dust from escaping from the discharge door 57.

The arc-shaped upper cover 33 can prevent most of dust from escaping from the upper part of the loading compartment 2 with the upper end opened; and the second hydraulic cylinder 34 is arranged to facilitate the loading of coal onto the coal truck 1.

The bottom of the rectangular bottom frame 51 is provided with the universal wheel capable of controlling contraction, so that the vertical frame 5 can be conveniently moved, and the stability after the position is determined is not influenced.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a car transport coal unloading dust keeper which characterized in that: comprises a carriage cover (3) which can be automatically opened and closed on a carrying carriage (2) of a coal truck (1), a vertical frame (5) arranged on the periphery of a filter screen (41) above a coal hopper (4), filter cloth (6) and a soot blowing mechanism (7); a discharge door (57) is arranged on one side of the vertical frame (5) close to the coal truck (1), and the height of the vertical frame (5) close to one side of the coal truck (1) is higher than that of the other side; the filter cloth (6) is fixed on the periphery of the vertical frame (5) except the discharge door (57); the middle part of the filter cloth (6) is a U-shaped telescopic part; the protruding end of the U-shaped telescopic part falls downwards when the material is not unloaded; the soot blowing mechanism (7) comprises a blower (71) and an air pipe (72) fixed on the discharging door (57) along the door edge, the air pipe (72) is in pipeline connection with the blower (71), and the surface of the air pipe (72) facing to one side of the center of the discharging door (57) is uniformly provided with through air outlets (73) along the axial direction.

2. The dust-proof device for vehicle-carried coal unloading according to claim 1, characterized in that: the vertical frame (5) comprises a horizontal rectangular bottom frame (51) arranged on the periphery of the filter screen (41), first upright posts (52) with two lower ends respectively fixed at two side corners of the rectangular bottom frame (51), second upright posts (53) with two lower ends respectively fixed at two side corners of the rectangular bottom frame (51), first cross rods (54) with two ends respectively connected with the upper ends of the two first upright posts (52), second cross rods (55) with two ends respectively connected with the upper ends of the two second upright posts (53), and inclined rods (56) with two ends respectively connected with the upper ends of the first upright posts (52) and the upper ends of the second upright posts (53); the first upright column (52) is higher than the second upright column (53); a discharge door (57) is formed between the two first upright columns (52) and the first cross bar (54); the air pipe (72) is fixed on the two first upright columns (52) and the first cross bar (54).

3. The dust-proof device for vehicle-carried coal unloading according to claim 1, characterized in that: the compartment cover (3) comprises a rear cover (31) arranged at the tail end of the vehicle and two arc-shaped upper covers (33) arranged above the carrying compartment (2); the upper end of the rear cover (31) is hinged on the side edge of the carrying compartment (2) and the opening and closing angle is adjusted through a first hydraulic cylinder (32) arranged on the carrying compartment; two arc upper covers (33) are symmetrically arranged on two sides of the object carrying compartment (2), the lower end of the arc upper cover (33) is hinged to the side wall of the object carrying compartment (2), two second hydraulic cylinders (34) are arranged on the front end face of the object carrying compartment (2), two ends of each second hydraulic cylinder (34) are hinged to the outer wall of the arc upper cover (33) and the front end face of the object carrying compartment (2) respectively, and the second hydraulic cylinders (34) control the opening and closing angles of the two arc upper covers (33).

4. The dust-proof device for vehicle-carried coal unloading according to claim 1, characterized in that: the filter cloth (6) and the vertical frame (5) are detachably fixed.

5. The dust-proof device for vehicle-carried coal unloading according to claim 4, wherein: the outer surface of the filter cloth (6) is fixedly provided with a plurality of binding ropes, the vertical frame (5) is provided with a fixing ring, and the binding ropes penetrate through the fixing ring to be bound.

6. The dust-proof device for vehicle-carried coal unloading according to claim 2, characterized in that: a plurality of grooves with downward openings are formed in the lower end face of the rectangular bottom frame (51), vertical third hydraulic cylinders are fixedly arranged in the grooves, and universal wheels are fixedly arranged at the lower ends of the third hydraulic cylinders; the third hydraulic cylinder stretches and retracts to enable the universal wheel to extend out of the groove or retract into the groove.