CN215477861U

CN215477861U - Coal conveying and ash blocking device of thermal power plant

Info

Publication number: CN215477861U
Application number: CN202120645794.2U
Authority: CN
Inventors: 首鹏云
Original assignee: Harbin Botai Power Equipment Co ltd
Current assignee: Harbin Botai Power Equipment Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2022-01-11
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a coal conveying ash blocking device of a thermal power plant, belonging to the field of coal conveying, and comprising a base, wherein the upper end of the base is fixedly connected with a connecting plate, two ends of the connecting plate are provided with rolling shafts, the outer ends of the rolling shafts are connected with a conveying belt in a rolling manner, the outer side wall of the connecting plate is chiseled with a sliding chute, a sliding rod is fixedly connected between the inner walls of the sliding chute, the outer end of the sliding rod is connected with a plurality of sliding blocks which are uniformly distributed in a sliding manner, a compression spring is fixedly connected between the sliding blocks, a transmission rope is fixedly connected between the sliding blocks, the transmission rope is positioned at the lower side of the sliding block, the outer end of the connecting plate is rotatably connected with a rotating ring, the outer end of the rotating ring is fixedly connected with the transmission rope, the upper end of the sliding block is fixedly connected with a fixing frame, when the coal conveying is realized, the diffusion of coal dust is reduced, the environment in a workshop of the thermal power plant is improved, and the inflammable dust particles in the air are reduced, the safety in the workshop of the thermal power plant is effectively improved.

Description

Coal conveying and ash blocking device of thermal power plant

Technical Field

The utility model relates to the field of coal conveying, in particular to a coal conveying ash blocking device of a thermal power plant.

Background

A thermal power plant, referred to as a thermal power plant for short, is a plant for producing electric energy by using combustible materials (such as coal) as fuel, and the basic production process is as follows: when the fuel is burnt, water is heated to generate steam, chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives a generator to rotate, so that the mechanical energy is converted into electric energy.

The prime mover is typically a steam or gas turbine, and in smaller power plants it is also possible to use an internal combustion engine which generates electricity by taking advantage of the pressure drop during the conversion of high temperature, high pressure steam or gas through a turbine to low pressure air or condensate.

The main devices are boilers, turbines and generators, which are installed in the main building of a power plant, the main transformer and the power distribution equipment are generally installed in an independent building or outdoors, and other auxiliary devices such as a water supply system, a water supply device, a water treatment device, a dust removal device, a fuel storage and transportation device and the like are installed in the main building, and some auxiliary devices are installed in the auxiliary building or in an open field; the steam converts the heat energy into rotary power through the steam turbine to drive the generator to output electric energy, and the best thermal power plant in the world has the efficiency of 40 percent by 80 years, namely 40 percent of the heat energy in the fuel is converted into the electric energy.

A large amount of coal needs to be combusted in power generation of a thermal power plant, and when the coal is conveyed, coal dust particles are suspended in a workshop of the thermal power plant, so that certain influence is caused on the environment in the workshop, and the coal dust particles are dangerous when being too many.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a coal conveying ash blocking device for a thermal power plant, which can reduce the diffusion of coal dust and improve the environment in a workshop of the thermal power plant when conveying coal, thereby reducing combustible dust particles in the air and effectively improving the safety in the workshop of the thermal power plant.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The coal conveying and ash blocking device for the thermal power plant comprises a base, wherein a connecting plate is fixedly connected to the upper end of the base, rolling shafts are arranged at two ends of the connecting plate, a conveying belt is connected to the outer ends of the rolling shafts in a rolling manner, a sliding groove is formed in the outer side wall of the connecting plate, a sliding rod is fixedly connected between the inner walls of the sliding groove, a plurality of sliding blocks which are uniformly distributed are slidably connected to the outer end of the sliding rod, a compression spring is fixedly connected between the plurality of sliding blocks, a transmission rope is fixedly connected between the plurality of sliding blocks, the transmission rope is located on the lower side of the sliding block, a rotating ring is rotatably connected to the outer end of the connecting plate, the outer end of the rotating ring is fixedly connected with the transmission rope, a fixing frame is fixedly connected to the upper end of the sliding block, an isolating cover is fixedly connected between the plurality of fixing frames, a pair of L-shaped rods is fixedly connected to the outer side wall of the connecting plate, and is located on the lower side of the sliding groove, it is a pair of sliding connection has the cleaning plate between the L shape pole, the upper end of cleaning plate contacts with the outer end of conveyer belt, the inside excavation of L shape pole has the bar through-hole, the inside sliding connection of bar through-hole has the kicking block, the kicking block is located the downside of cleaning plate, the roof rotates in the bar through-hole and is connected with the screw rod, the screw rod run through cleaning plate and kicking block and with kicking block threaded connection, when it can realize carrying coal, reduce the diffusion of coal dust, improve the environment in the workshop of thermal power plant to inflammable dust granule in the air has been reduced, the effectual security that improves in the workshop of thermal power plant.

Further, the conveyer belt adopts high temperature resistant rubber to make, and the outer end of conveyer belt is opened and is dug there is the antiskid line, has improved transmission coal efficiency, and the high temperature in the thermal power plant is difficult to melt the conveyer belt to the life of conveyer belt has been improved.

Furthermore, the isolation hood is made of non-woven fabrics, and the inner wall of the isolation hood is coated with polytetrafluoroethylene materials, so that dust diffusion is effectively reduced, dust adhesion on the inner wall of the isolation hood is reduced, and the isolation hood is convenient to clean.

Further, the upper end fixedly connected with of cleaning plate does the nylon of drawing, improves the wearability of cleaning plate to the dust in the better washing conveyer belt outside.

Furthermore, the longitudinal section of swivel is the annular, and the outer end fixedly connected with of swivel insulating against slipping layer improves the frictional force between palm and the swivel, the better rotation swivel of being convenient for.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) when this scheme can realize carrying coal, reduce the diffusion of coal dust, improve the environment in the thermal power plant workshop to subtract the flammable dust granule in the air, the effectual security that has improved in the thermal power plant workshop.

(2) The conveyer belt adopts high temperature resistant rubber to make, and the outer end of conveyer belt is opened and is dug there is the antiskid line, has improved transmission coal efficiency, and the high temperature in the thermal power plant is difficult to melt the conveyer belt to the life of conveyer belt has been improved.

(3) The adoption non-woven fabrics of cage is made, and the inner wall of cage is brushed with the polytetrafluoroethylene material, and the diffusion of effectual reduction dust reduces the dust adhesion at the cage inner wall, is convenient for wash it.

(4) The upper end fixedly connected with of cleaning plate does the nylon of drawing, improves the wearability of cleaning plate to the dust in the better washing conveyer belt outside.

(5) The longitudinal section of change is the annular, and the outer end fixedly connected with of change thermal-insulated skid resistant course improves the frictional force between palm and the change, the better rotation change of being convenient for.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front sectional view of a cleaning plate according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

The reference numbers in the figures illustrate:

the device comprises a base 1, a connecting plate 2, a conveyor belt 3, a sliding chute 4, a sliding rod 5, a sliding block 6, a compression spring 7, a transmission rope 8, a rotating ring 9, a fixing frame 10, a shielding cover 11, an L-shaped rod 12, a cleaning plate 13, a top block 14 and a screw rod 15.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a coal conveying ash blocking device for a thermal power plant comprises a base 1, a connecting plate 2 is fixedly connected to the upper end of the base 1, rolling shafts are arranged at two ends of the connecting plate 2, a conveyor belt 3 is connected to the outer ends of the rolling shafts in a rolling manner, a sliding groove 4 is formed in the outer side wall of the connecting plate 2, a sliding rod 5 is fixedly connected between the inner walls of the sliding groove 4, a plurality of sliding blocks 6 which are uniformly distributed are slidably connected to the outer end of the sliding rod 5, a compression spring 7 is fixedly connected between the sliding blocks 6, a transmission rope 8 is fixedly connected between the sliding blocks 6, the transmission rope 8 is positioned at the lower side of the sliding block 6, a rotating ring 9 is rotatably connected to the outer end of the connecting plate 2, the outer end of the rotating ring 9 is fixedly connected with the transmission rope 8, a fixed frame 10 is fixedly connected to the upper end of the sliding block 6, a shielding case 11 is fixedly connected between the fixed frames 10, and a pair of L-shaped rods 12 is fixedly connected to the outer side wall of the connecting plate 2, l shape pole 12 is located the downside of spout 4, sliding connection has cleaning plate 13 between a pair of L shape pole 12, and cleaning plate 13's upper end contacts with the outer end of conveyer belt 3, and the inside of L shape pole 12 is dug there is the bar through-hole, and the inside sliding connection of bar through-hole has kicking block 14, and kicking block 14 is located cleaning plate 13's downside, and the roof rotates in the bar through-hole and is connected with screw rod 15, and screw rod 15 runs through cleaning plate 13 and kicking block 14 and with kicking block 14 threaded connection.

Referring to fig. 1, the conveyor belt 3 is made of high-temperature-resistant rubber, anti-slip lines are chiseled at the outer end of the conveyor belt 3, the coal conveying efficiency is improved, the conveyor belt 3 is not easily melted due to high temperature in a thermal power plant, the service life of the conveyor belt 3 is prolonged, the isolation cover 11 is made of non-woven fabrics, polytetrafluoroethylene materials are coated on the inner wall of the isolation cover 11, dust diffusion is effectively reduced, dust adhesion on the inner wall of the isolation cover 11 is reduced, and the isolation cover is convenient to clean.

Referring to fig. 1-2, the upper end of the cleaning plate 13 is fixedly connected with a cordolan, which improves the wear resistance of the cleaning plate 13, thereby better cleaning the dust on the outer side of the conveyor belt 3, the longitudinal section of the swivel 9 is annular, and the outer end of the swivel 9 is fixedly connected with a heat insulation anti-slip layer, which improves the friction between the palm and the swivel 9, and facilitates better rotation of the swivel 9.

When the conveying belt 3 conveys coal, the isolating cover 11 separates the coal machinery on the outer side of the conveying belt 3 to reduce dust diffusion of the coal, when the coal is clamped on the inner side of the isolating cover 11, the rotating ring 9 is held and rotated, the driving rope 8 is wound by the rotating ring 9, the sliding block 6 slides towards one side at the outer end of the sliding rod 5, so that the isolating cover 11 is contracted, the limiting rod is inserted into the inner side of the rotating ring 9 to clean the coal on the upper side of the conveying belt 3, when the limiting rod is pulled out and the rotating ring 9 is loosened, the sliding block 6 is reset by the elasticity of the compression spring 7, on the other hand, when the coal is conveyed, the height of the cleaning plate 13 is adjusted by the base 1, so that the influence on cleaning of the outer side of the conveying belt 3 after the cleaning plate 13 is abraded is reduced, when the coal is conveyed, coal dust diffusion is reduced, the environment in a workshop of a thermal power plant is improved, and inflammable dust particles in air are reduced, the safety in the workshop of the thermal power plant is effectively improved.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a coal of thermal power plant carries ash blocking device, includes base (1), its characterized in that: the upper end of the base (1) is fixedly connected with a connecting plate (2), two ends of the connecting plate (2) are provided with rolling shafts, the outer ends of the rolling shafts are connected with a conveyor belt (3) in a rolling manner, the outer side wall of the connecting plate (2) is provided with a chute (4), a sliding rod (5) is fixedly connected between the inner walls of the chute (4), the outer end of the sliding rod (5) is connected with a plurality of sliding blocks (6) which are uniformly distributed, a compression spring (7) is fixedly connected between the sliding blocks (6), a transmission rope (8) is fixedly connected between the sliding blocks (6), the transmission rope (8) is positioned at the lower side of the sliding blocks (6), the outer end of the connecting plate (2) is rotatably connected with a rotating ring (9), the outer end of the rotating ring (9) is fixedly connected with the transmission rope (8), and the upper end of the sliding block (6) is fixedly connected with a fixing frame (10), it is a plurality of fixedly connected with cage (11) between fixed frame (10), a pair of L shape pole (12) of lateral wall fixedly connected with of connecting plate (2), L shape pole (12) are located the downside of spout (4), and are a pair of sliding connection has cleaning plate (13) between L shape pole (12), cleaning plate's (13) upper end contacts with the outer end of conveyer belt (3), the inside of L shape pole (12) is opened the chisel and is had the bar through-hole, the inside sliding connection of bar through-hole has kicking block (14), kicking block (14) are located cleaning plate's (13) downside, the roof rotates in the bar through-hole and is connected with screw rod (15), screw rod (15) run through cleaning plate (13) and kicking block (14) and with kicking block (14) threaded connection.

2. The coal conveying ash blocking device of the thermal power plant as claimed in claim 1, characterized in that: the conveying belt (3) is made of high-temperature-resistant rubber, and anti-skid grains are chiseled at the outer end of the conveying belt (3).

3. The coal conveying ash blocking device of the thermal power plant as claimed in claim 1, characterized in that: the isolation cover (11) is made of non-woven fabrics, and polytetrafluoroethylene materials are coated on the inner wall of the isolation cover (11).

4. The coal conveying ash blocking device of the thermal power plant as claimed in claim 1, characterized in that: the upper end of the cleaning plate (13) is fixedly connected with Codurlon.

5. The coal conveying ash blocking device of the thermal power plant as claimed in claim 1, characterized in that: the longitudinal section of the rotating ring (9) is annular, and the outer end of the rotating ring (9) is fixedly connected with a heat-insulating anti-slip layer.