CN211936141U

CN211936141U - Coal conveying belt spray dust removal device of thermal power plant

Info

Publication number: CN211936141U
Application number: CN202020572614.8U
Authority: CN
Inventors: 林健勇; 李平
Original assignee: Huaneng Hainan Power Generation Co ltd
Current assignee: Huaneng Hainan Power Generation Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-11-17
Anticipated expiration: 2030-04-17

Abstract

The utility model provides a coal conveying belt spraying dust removal device of a thermal power plant, which belongs to the technical field of environmental protection dust removal and aims to solve the problems that the existing spraying dust removal device generally adopts a fixed atomizing spray head to spray coal, the spraying range is smaller, the flowing speed of water mist is slower, the mixing speed of coal dust and water mist is slower, and dust can not be timely reduced, and the device comprises an installation support; the top of the mounting bracket is rotatably connected with two groups of swing pipelines; and the upper part of the right side of the mounting bracket is fixedly connected with a group of driving motors. The device realizes synchronous front and back swinging of two groups of swinging pipelines by adopting a crank block mechanism and a chain transmission mechanism, realizes swinging spraying in the front and back directions, increases the spraying range, increases air flow, can improve the contact of water mist and dust, and enhances the dust settling effect; meanwhile, the atomizing nozzle is driven to swing left and right through the guide of the swing chute, so that the contact between water mist and dust is further improved, and the dust falling effect is enhanced.

Description

Coal conveying belt spray dust removal device of thermal power plant

Technical Field

The utility model belongs to the technical field of the environmental protection is removed dust, more specifically says, in particular to coal conveying belt spray dust collector of thermal power plant.

Background

Coal is needed to provide heat to generate electricity in the power generation process of a thermal power plant, suspended coal powder is easily generated in the conveying process of the coal, the environment is polluted, and safety accidents such as dust explosion are easily caused, so that a spraying dust-settling device is generally needed to prevent the coal powder from floating and reduce floating dust in actual production.

Based on the above, the existing spray dust removal device generally adopts a fixed atomizing nozzle to spray coal, the spraying range is small, meanwhile, the flowing speed of water mist is slow, the mixing speed of coal dust and the water mist is slow, and dust can not be timely reduced.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a coal belt spray dust removal device for a thermal power plant is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a coal conveying belt spray dust collector of thermal power plant to solve current spray dust collector and generally adopt fixed atomizing shower nozzle to spray coal, the range of spraying is less, and the flow rate of water smoke is slower simultaneously, and the mixing speed of coal dust and water smoke is slower, can not in time carry out the problem of dust fall to the dust.

The utility model relates to a coal conveying belt spray dust collector's of thermal power plant purpose and efficiency is reached by following specific technological means:

a thermal power plant coal conveying belt spray dust removal device comprises an installation support; the top of the mounting bracket is rotatably connected with two groups of swing pipelines; and the upper part of the right side of the mounting bracket is fixedly connected with a group of driving motors.

Further, driving motor is provided with a set of bent axle in driving motor's the pivot, rotates on the bent axle and is connected with a set of swing connecting rod, and the swing pipeline is still including the hinge joint pole, and the rear end face fixedly connected with a set of hinge joint pole of a set of swing pipeline at rear, and the other end and the hinge joint pole hinged joint of swing connecting rod constitute slider-crank mechanism between bent axle, swing connecting rod, swing pipeline, the installing support jointly.

Furthermore, the swing pipeline is further provided with a swing chain wheel, the right sides of the two groups of swing pipelines are provided with a group of swing chain wheels, and the outer sides of the two groups of swing chain wheels are jointly wound with a group of transmission chains to jointly form a chain transmission mechanism.

Furthermore, the right end face of the swinging pipeline is connected with a water supply system through a rotatable water pipe joint, the swinging pipeline further comprises atomizing nozzles, and the bottom of the swinging pipeline is evenly distributed and hinged with a plurality of groups of atomizing nozzles.

Furthermore, the mounting bracket further comprises swing chutes, the upper portion of the mounting bracket is provided with a plurality of groups of inclined swing chutes, the two adjacent groups of swing chutes are arranged in opposite directions, and the atomizing nozzles are in sliding connection in the swing chutes.

Compared with the prior art, the utility model discloses following beneficial effect has:

the device realizes synchronous front and back swinging of two groups of swinging pipelines by adopting a crank block mechanism and a chain transmission mechanism, realizes swinging spraying in the front and back directions, increases the spraying range, increases air flow, can improve the contact of water mist and dust, and enhances the dust settling effect; simultaneously when the swing pipeline swings, the atomizing nozzle is driven to swing left and right through the guide of the swing chute, so that the contact between water mist and dust is further improved, and the dust falling effect is enhanced.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is a schematic diagram of the transmission shaft side structure of the present invention.

Fig. 3 is a schematic diagram of the structure of the driving motor shaft side of the present invention.

Fig. 4 is a schematic diagram of a rear group of swing pipes of the present invention.

Fig. 5 is a schematic diagram of the structure of the transmission shaft between the swing pipes of the present invention.

Fig. 6 is a schematic side structure diagram of the mounting bracket of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. mounting a bracket; 101. a swing chute; 2. swinging the pipeline; 201. a swing sprocket; 202. a hinge connecting rod; 203. an atomizing spray head; 3. a drive motor; 301. a crankshaft; 302. and a swinging connecting rod.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 6:

the utility model provides a coal conveying belt spray dust removal device of a thermal power plant, which comprises an installation bracket 1; the top of the mounting bracket 1 is rotatably connected with two groups of swing pipelines 2; the upper part of the right side of the mounting bracket 1 is fixedly connected with a group of driving motors 3.

Wherein, driving motor 3 is still including bent axle 301, swing connecting rod 302, be provided with a set of bent axle 301 in driving motor 3's the pivot, the last rotation of bent axle 301 is connected with a set of swing connecting rod 302, swing pipeline 2 is still including hinged joint pole 202, the rear end face fixedly connected with a set of hinged joint pole 202 of a set of swing pipeline 2 in rear, the other end and the hinged joint pole 202 hinged joint of swing connecting rod 302, bent axle 301, swing connecting rod 302, swing pipeline 2, constitute slider-crank mechanism between the installing support 1 jointly, in use driving motor 3 drives a set of swing pipeline 2 in rear swing through slider-crank mechanism.

Wherein, swing pipeline 2 is still including swing sprocket 201, and the right side of two sets of swing pipelines 2 all is provided with a set of swing sprocket 201, and the common winding in outside of two sets of swing sprockets 201 has a set of drive chain to constitute chain drive jointly, and in use, when a set of swing pipeline 2 swing of rear, a set of swing pipeline 2 in rear drives a set of swing pipeline 2 synchronous oscillation in the place ahead through chain drive.

Wherein, the right end face of swing pipeline 2 is connected with water supply system through rotatable water pipe head, and swing pipeline 2 still includes atomizing shower nozzle 203, and swing pipeline 2's bottom evenly arranges the hinged joint and has multiunit atomizing shower nozzle 203, and in use removes dust through atomizing shower nozzle 203 spraying to coal.

The mounting bracket 1 further comprises a swinging chute 101, the upper portion of the mounting bracket 1 is provided with a plurality of groups of inclined swinging chutes 101, the two adjacent groups of swinging chutes 101 are arranged in a reverse direction, the atomizer 203 is slidably connected in the swinging chute 101, and when the swinging pipeline 2 swings in use, the atomizer 203 is driven to swing left and right through the guiding of the swinging chute 101.

The specific use mode and function of the embodiment are as follows:

when the coal dust removal device is used, the atomizing nozzles 203 spray to remove dust from coal, the driving motor 3 drives the rear group of swing pipelines 2 to swing through the slider-crank mechanism, the rear group of swing pipelines 2 drives the front group of swing pipelines 2 to swing synchronously through the chain transmission mechanism, swing injection in the front-rear direction is realized, the injection range is increased, air flow is increased, contact between water mist and dust can be improved, and the dust removal effect is enhanced; meanwhile, when the swinging pipeline 2 swings, the atomizing nozzle 203 is driven to swing left and right through the guiding of the swinging chute 101, so that the contact between water mist and dust is further improved, and the dust falling effect is enhanced.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a coal conveying belt spray dust collector of thermal power plant which characterized in that: the spraying and dust removing device for the coal conveying belt of the thermal power plant comprises a mounting bracket (1); the top of the mounting bracket (1) is rotatably connected with two groups of swing pipelines (2); the upper part of the right side of the mounting bracket (1) is fixedly connected with a group of driving motors (3).

2. The thermal power plant coal conveying belt spray dust removal device as claimed in claim 1, characterized in that: the driving motor (3) is further provided with a crankshaft (301) and a swinging connecting rod (302), a group of crankshafts (301) is arranged on a rotating shaft of the driving motor (3), a group of swinging connecting rods (302) are connected to the crankshafts (301) in a rotating mode, the swinging pipeline (2) is further provided with a hinge connecting rod (202), a group of hinge connecting rods (202) are fixedly connected to the rear end face of a group of swinging pipelines (2) at the rear side, the other end of the swinging connecting rod (302) is connected with the hinge connecting rod (202) in a hinged mode, and the crankshafts (301), the swinging connecting rods (302), the swinging pipeline (2) and the mounting support (1) form a crank.

3. The thermal power plant coal conveying belt spray dust removal device as claimed in claim 1, characterized in that: swing pipeline (2) still including swing sprocket (201), the right side of two sets of swing pipeline (2) all is provided with a set of swing sprocket (201), and the outside of two sets of swing sprocket (201) twines a set of drive chain jointly and constitutes chain drive mechanism jointly.

4. The thermal power plant coal conveying belt spray dust removal device as claimed in claim 1, characterized in that: the right end face of the swing pipeline (2) is connected with a water supply system through a rotatable water pipe joint, the swing pipeline (2) further comprises atomizing nozzles (203), and the bottom of the swing pipeline (2) is evenly distributed and hinged with a plurality of groups of atomizing nozzles (203).

5. The thermal power plant coal conveying belt spray dust removal device as claimed in claim 1, characterized in that: the mounting bracket (1) further comprises a swing sliding groove (101), the upper portion of the mounting bracket (1) is provided with a plurality of groups of inclined swing sliding grooves (101), the two adjacent groups of swing sliding grooves (101) are arranged in a reverse direction, and the atomizing nozzles (203) are connected in the swing sliding grooves (101) in a sliding mode.