CN212075543U

CN212075543U - Overlength high fall coal breakage device

Info

Publication number: CN212075543U
Application number: CN201922483740.6U
Authority: CN
Inventors: 金王涛; 李建军; 屠国华; 顾建平; 周杰
Original assignee: Zhejiang Hengyang Thermal Power Co ltd
Current assignee: Zhejiang Hengyang Thermal Power Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-12-04
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses an ultra-long high fall coal dropping device, which comprises a head protective cover and a head funnel, one end of the head shield is provided with a feed inlet, the head shield is fixedly connected with the head funnel, the coal dropping pipeline and the buffering damping device are also included, the coal dropping pipeline is of a curve structure, the cross section of the coal dropping pipeline is circular, the first end of the coal dropping pipeline is connected with the head funnel, the buffering damping device comprises a square pipeline, a buffering baffle plate and a hinged support, the square pipeline is fixedly connected with the second end of the coal dropping pipeline, the buffer baffle is hinged to the hinged support, the hinged support is arranged on the inner wall of the square pipeline, the spring is arranged between the buffer baffle and the inner wall of the square pipeline, the curve coal dropping pipeline ensures that the coal flow falls along the pipe wall, the circulation of the coal flow in the pipeline is ensured, and the buffer damping device is utilized to reduce the impact of the coal flow on the transmission belt and reduce dust.

Description

Overlength high fall coal breakage device

Technical Field

The utility model relates to an overlength high drop coal breakage device belongs to coal bulk cargo and carries the transportation technical field.

Background

When bulk coal materials are conveyed, a plurality of coal breakage devices are provided on the market at present, but the coal breakage devices are unreasonable in design and inconvenient to use and operate, and are often blocked, so that a large amount of dust always appears, and a relatively obvious negative effect is achieved; the coal flow and the head shield are impacted explosively to generate a large amount of dust, so that the health of maintenance personnel is affected; the disordered coal flow is fully mixed with air in the coal dropping pipe to form high-pressure dusty airflow; the falling points are not right, so that the bulk materials on the conveying belt cannot be placed in the middle, and the belt on the conveying belt can be deviated due to the impact force when the bulk materials fall; the coal dropping device has a large angle, the faster the coal flow rate is, the faster the abrasion to the coal dropping device is, the coal dropping device needs to be frequently replaced or repaired, and in addition, the impact abrasion to the material receiving equipment is also severe.

Disclosure of Invention

In order to solve the technical problem, the utility model aims at providing an overlength high drop coal breakage device, the device simple structure can effectively solve above-mentioned problem, its characterized in that: the utility model provides an overlength high fall coal breakage device, includes head guard shield, head funnel, the feed inlet has been seted up to head guard shield one end, head guard shield and head funnel fixed connection still include coal falling pipeline, damping device, coal falling pipeline is the curve structure, coal falling pipeline's transversal personally submitting is circular, coal falling pipeline's first end is connected with the head funnel, damping device includes square pipeline, buffer stop, articulated support, square pipeline and coal falling pipeline's second end fixed connection, buffer stop is articulated with articulated support, articulated support mounting is at square pipeline inner wall, be equipped with the spring between buffer stop and the square pipeline inner wall.

On the basis of the above scheme and as a preferable scheme of the scheme: the coal flow atomizing device is characterized by further comprising atomizing nozzles, wherein the atomizing nozzles are installed on two sides of the conveying belt at the lower end of the square pipeline and face the falling coal flow.

On the basis of the above scheme and as a preferable scheme of the scheme: and an ultrasonic oscillator is arranged on the outer wall of the second end of the coal falling pipeline and used for generating oscillation and shaking off coal adhered to the inner wall of the pipeline.

On the basis of the above scheme and as a preferable scheme of the scheme: and the inner wall of the coal dropping pipeline is provided with a wear-resistant lining plate.

On the basis of the above scheme and as a preferable scheme of the scheme: the transition part of the head shield is of an arc-shaped structure.

On the basis of the above scheme and as a preferable scheme of the scheme: a guide plate is arranged in the head shield and used for guiding and guiding the coal.

Compared with the prior art, the utility model outstanding and profitable technological effect is: the head shield with the arc structure is utilized to reduce an impact angle, the impact of the pipeline is reduced, and simultaneously, a large amount of dust caused by huge impact is avoided, the flow guide plate arranged in the head shield and the coal dropping pipeline with the streamline curve structure are utilized to guide the track of the coal flow, the whole process ensures that the coal flow basically falls along the pipe wall, the circulation of the coal flow in the pipeline is ensured, the disordered coal flow is prevented from being fully mixed with air in the coal dropping pipe to form high-pressure dust-containing air flow, the service life of the coal dropping pipeline is ensured by the arrangement of the replaceable wear-resistant lining plate in the coal dropping pipeline, the vertical speed of the coal flow is reduced by the buffer baffle plate of the buffer damping device, so that the impact of the coal flow on a conveying belt is reduced, the generation of dust is also reduced, the dust is inhibited by combining the water mist sprayed by the atomizing nozzle arranged at the front end of the buffer device, the ultrasonic oscillator can shake off the coal adhered to the, preventing clogging.

Drawings

Fig. 1 is a schematic view of the overall structure.

Detailed Description

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, the utility model relates to an overlength high fall coal dropping device, which comprises a head protective cover 1, a head funnel 2, a coal dropping pipeline 3 and a buffer damping device 4. Head guard shield 1 is located the device top, and the left end level is provided with a feed inlet 11, feed inlet 11 and the cooperation of feeding conveyer belt 5 lead into the coal stream, and the inside fretwork of head guard shield 1, lower extreme and head funnel 2 fixed connection communicate with each other in order to switch on the coal stream.

Consider among the prior art head guard shield 1 and adopt right angle transition structure usually, the coal stream strikes the angle great, the original kinetic energy loss after the collision is totally lost, it is relatively poor at the coal quality, the easy coal blockage that takes place when humidity is great, long-pending coal phenomenon, the coal stream produces a large amount of dusts with 1 explosive impact of head guard shield, the transition portion of head guard shield 1 that this device relates to is as directly bearing the position that the coal stream strikes, adopt streamline arc structural design, the ability of head guard shield 1 resisting the impact has been improved, the life of having improved equipment has reduced the dust that the striking produced simultaneously, and carry out preliminary plasticity to the coal stream that gets into the transfer system.

Further, be equipped with guide plate 12 in head guard 1 inside, guide plate 12 is arranged in further water conservancy diversion integration of coal flow to getting into the transit system is with its leading-in head funnel 2 of below, simultaneously guide plate 12 passes through torsion spring 13 and installs inside head guard 1, has the ability of bearing the impact and can further offset the impact of coal flow to head guard 1, only need change guide plate 12 after using longer a period of wearing and tearing can, be convenient for maintain.

The first end 31 of the coal dropping pipeline is connected with the head funnel 2, and the second end 32 of the coal dropping pipeline is connected with the buffering damping device 4. Considering that the coal breakage pipeline 3 that is used for high drop to transport among the prior art designs for the straight cylinder usually, when carrying out coal transport, because the collision contact of coal cinder and coal cinder produces the dust easily, also produce induced wind easily when the coal cinder falls, make the dust raise, so this application relates to a coal breakage pipeline 3 with streamlined curve structure, its cross section is circular, make the bulk cargo can also reduce the impact of coal stream when smoothly falling along the inner wall in coal breakage pipeline 3, make coal breakage pipeline 3 have certain camber, do benefit to the quick whereabouts of bulk cargo and prevent the putty.

Preferably, the coal falling pipeline 3 is of a spiral curve structure, so that the air duct resistance can be greatly reduced, dust raising is avoided, and the pipeline is stable in structure and not easy to deform and damage.

Furthermore, a wear-resistant lining plate 33 is arranged on the contact surface of the inner wall of the coal dropping pipeline 3 and the coal material, and is used for bearing impact wear of coal flow, ensuring that the coal dropping pipeline 3 is not deformed and cracked in the use process and ensuring the service life of the coal dropping pipeline.

Further, an ultrasonic oscillator 34 is installed at the outer edge of the second end 32 of the coal dropping pipeline, and the ultrasonic oscillator 34 is used for generating oscillation and shaking off coal adhered to the inner wall of the pipeline so as to avoid blockage.

Considering that the belt on the transmission belt 6 is torn and damaged due to the large impact force when the coal flow in the straight-tube type pipeline falls down in the prior art, and the influence on the rear of the transmission device is large and is not beneficial to the long-term operation of the equipment, the application relates to a buffer damping device 4, which comprises a square pipeline 41, a buffer baffle 42 and a hinged support 43, wherein the square pipeline 41 and the second end 32 of the coal flow pipeline are fixedly connected into a whole, the square pipeline 41 is vertically arranged to ensure the smooth falling of the coal flow, the hinged support 43 is fixedly arranged on the inner wall of the square pipeline 41, the buffer baffle 42 is hinged with the hinged support 43, the buffer baffle 42 is also connected with the inner wall of the square pipeline 41 through a spring 44, the buffer baffle 42 is supported by the spring 44 to form an included angle of 15-45 degrees with the horizontal line under the non-working state, preferably form an included angle of 30 degrees, and the coal flow falls down and is accumulated, the spring 44 is compressed, and the buffer baffle 42 rotates and is close to square pipe 41 inner wall until being parallel with the pipeline inner wall and being vertical state, and the coal flow can slow down at impact buffer baffle 42 back kinetic energy, and the impact that causes when falling to transmission band 5 is less, and the dust is less, and the impact force that the spring 44 received when stopping carrying the coal flow is removed, and the spring 44 drives buffer baffle 42 and resumes to original position.

Further, atomizing nozzles 71 are further installed on two sides of the conveying belt 6 at the lower end of the square pipe 41, the plurality of atomizing nozzles 71 are fixedly installed on two sides of the conveying belt 6 side by side through installation seats 72, the spray heads of the atomizing nozzles 71 face coal flows falling on the conveying belt 6, and the atomizing nozzles 72 can spray water mist to inhibit dust.

The specific working principle is as follows: the feeding conveyer belt 5 is with the coal charge from the leading-in head guard shield 1 of feed inlet 11, the guide coal flow through arc structure and drainage plate 12 gets into head funnel 2, the coal flow flows into coal pipe way 3 from head funnel 2 under the action of gravity, the coal flow forms the orderly landing of bundling in curved coal pipe way 3 inner wall landing, the landing is to the second end 32 department of coal pipe way that falls, ultrasonic oscillator 35 produces the vibration and shakes off the coal charge of a small number of adhesions on the inner wall, the coal flow continues to fall and gets into square pipeline 41, kinetic energy reduces behind coal flow impact buffer baffle 42, the less production dust of the less wearing and tearing that the transmission band 6 receives also reduces, atomizing nozzle 71 sprays the water smoke and further removes dust.

It is worth mentioning that the technical features such as the atomizing nozzle that the utility model discloses a patent application relates to should be regarded as prior art, and the concrete structure of these technical features, theory of operation and the control mode that may involve, spatial arrangement mode adopt the conventional selection in this field can, should not be regarded as the invention point of the utility model discloses a do not further expand the detailed description specifically.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an overlength high fall coal breakage device, includes head guard shield, head funnel, the feed inlet has been seted up to head guard shield one end, head guard shield and head funnel fixed connection, its characterized in that: still include coal falling pipeline, buffering damping device, coal falling pipeline is the curve structure, coal falling pipeline's transversal personally submits circularly, coal falling pipeline's first end and head funnel are connected, buffering damping device includes square pipeline, buffer flap, hinged support, square pipeline holds fixed connection with the second of coal falling pipeline, buffer flap is articulated with hinged support, hinged support installs at square pipeline inner wall, be equipped with the spring between buffer flap and the square pipeline inner wall.

2. The ultra-long high fall coal breakage device according to claim 1, characterized in that: the coal flow atomizing device is characterized by further comprising atomizing nozzles, wherein the atomizing nozzles are installed on two sides of the conveying belt at the lower end of the square pipeline and face the falling coal flow.

3. The ultra-long high fall coal breakage device according to claim 1, characterized in that: and an ultrasonic oscillator is arranged on the outer wall of the second end of the coal falling pipeline and used for generating oscillation and shaking off coal adhered to the inner wall of the pipeline.

4. The ultra-long high fall coal breakage device according to claim 1, characterized in that: and the inner wall of the coal dropping pipeline is provided with a wear-resistant lining plate.

5. The ultra-long high fall coal breakage device according to claim 1, characterized in that: the transition part of the head shield is of an arc-shaped structure.

6. The ultra-long high fall coal breakage device according to claim 1, characterized in that: a guide plate is arranged in the head shield and used for guiding and guiding the coal.