CN219559674U - Catalyst adding mechanism for coal quality detection of thermal power plant - Google Patents

Abstract

The utility model discloses a catalyst adding mechanism for coal quality detection in a thermal power plant, which comprises a bottom plate, wherein a supporting plate is arranged above the bottom plate in an array manner, an anti-scattering mechanism capable of preventing coal sample crucibles with different sizes from scattering outside the crucible in the process of scattering tungsten trioxide is arranged above the inner side of the supporting plate in an array manner, and a scattering mechanism capable of uniformly scattering tungsten trioxide on the inner side of the storage hopper above the coal samples in the crucible is arranged inside the storage hopper. According to the utility model, through the anti-scattering mechanism and the scattering mechanism, not only can the crucibles with different sizes be clamped, but also the connecting cloth is matched with the rubber band below to wrap the outer side of the opening of the crucible, so that the phenomenon that tungsten trioxide is scattered outwards when the upper surface of the crucible coal is scattered is avoided, and under the action that the brush rotates around the center of the mesh plate, tungsten trioxide powder can be uniformly scattered on the upper surface of the crucible coal, so that the uniformity of ignition points of the crucible coal in the combustion process is further improved.

Description

Catalyst adding mechanism for coal quality detection of thermal power plant

Technical Field

The utility model relates to the technical field of coal quality detection of thermal power plants, in particular to a catalyst adding mechanism for coal quality detection of thermal power plants.

Background

The thermal power plant is called as thermal power plant for short, mainly uses coal, petroleum and natural gas as fuel to generate electricity, and the main production process is as follows: the fuel burns and heats water in a boiler to form a large amount of steam, chemical energy of the fuel can be converted into heat energy, so that the steam pressure drives a steam turbine to rotate, the heat energy is converted into mechanical energy, then the mechanical energy steam turbine drives a generator to rotate, the mechanical energy is converted into electric energy, the fuel commonly used in a thermal power plant generally adopts coal, because the coal can generate toxic gas in the combustion process, sulfur is one of harmful elements in the coal and is one of important indexes for evaluating the quality of the coal, sulfur trioxide can be generated by the coal in the heating and combustion process to form sulfur trioxide gas which is discharged into the atmosphere and becomes a main component of atmospheric pollution, and thus, the sulfur emission index in the flue gas of the thermal power plant is ultrahigh, and the coal quality needs to be detected when the coal is combusted and generated;

at present, a method for detecting coal quality is a coulometric titration method, a coal sample is combusted and decomposed with air flow under the action of a catalyst, sulfur oxide is generated in coal, wherein sulfur trioxide is absorbed by potassium iodide solution, iodine generated by electrolyzing the potassium iodide solution is used for titration, the total sulfur content in the coal is calculated according to the flow consumed by electrolysis, after the coal sample is weighed and extracted, a layer of catalyst (tungsten trioxide) is required to be covered on the coal sample to improve the ignition point of the coal sample because the sulfur measurement needs to be kept at a higher combustion temperature, however, when the catalyst is covered on the coal sample, tungsten trioxide powder is paved on the coal sample, usually a hand tool is used for sprinkling tungsten trioxide on the outer side of a crucible with the coal sample, the operation mode is simple, but tungsten trioxide is easy to be scattered on the outer side of the crucible with the coal sample, so that not only waste of tungsten trioxide is caused, but also the problem of uneven spreading of tungsten trioxide occurs is caused, and therefore, the catalyst adding mechanism for detecting the coal quality is necessary to provide for a thermal power plant to solve the technical problems.

Disclosure of Invention

The utility model aims to provide a catalyst adding mechanism for coal quality detection in a thermal power plant, which solves the problems that tungsten trioxide is easy to scatter on the outer side of a coal sample crucible when a technician in the background technology manually spreads the tungsten trioxide on the upper surface of the coal sample crucible, and tungsten trioxide spreading is uneven.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a thermal power plant's coal quality detects and adds mechanism with catalyst, includes the bottom plate, the backup pad is installed to bottom plate top array, and array distribution the inboard top of backup pad is provided with can be to not equidimension's coal sample crucible spread the tungsten trioxide in-process, avoid spilling the mechanism that spills in the crucible outside, be connected with the storage hopper in the middle of the backup pad top, just the storage hopper top is fixed with the mounting panel, the storage hopper inboard is provided with and spreads the mechanism that spreads in the crucible coal sample top to its inboard tungsten trioxide is even spread.

In a further embodiment, the anti-scattering mechanism comprises a cylinder arranged above the inner wall of the supporting plate, the tail end of the cylinder is connected with a clamping block, a rubber band is connected above the clamping block, a connecting cloth is sleeved outside the rubber band, and the clamping block is arc-shaped.

In a further embodiment, the bottom of the storage hopper is communicated with a discharge cylinder, and a mesh plate is installed below the inner side of the discharge cylinder.

In a further embodiment, the connecting cloth is annular, and the upper part of the connecting cloth is annular and connected with the bottom of the discharging cylinder.

In a further embodiment, the spreading mechanism comprises a rocker connected in the middle of the mounting plate through a bearing, the bottom end of the rocker is connected with a rotating plate, and a brush is mounted at the bottom of the rotating plate.

In a further embodiment, the brush bottom and the mesh plate are in contact with each other above.

In a further embodiment, the adjusting mechanism comprises an adjusting screen plate which is slidably connected to the lower portion of the discharging cylinder, a pull plate is fixed to the right side above the adjusting screen plate, a pull rod is mounted on the right side of the pull plate, a limiting plate is slidably connected to the outer side of the pull rod, the limiting plate is fixedly connected to the lower portion of the right side of the discharging cylinder through a plate, and the adjusting screen plate and the mesh plate form a left-right sliding structure.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the anti-scattering mechanism, the spreading mechanism and the adjusting mechanism are arranged, the outer sides of the crucible openings of coal samples with different sizes can be effectively clamped by utilizing the four clamping blocks, so that the connecting cloth above the clamping blocks is matched with the rubber band to just wrap the crucible openings of the coal samples with different sizes, the pull rod is manually pulled to drive the pull plate and the adjusting screen plate to simultaneously pull to the right side and prop against the limiting plate, the mesh holes above the mesh plate are communicated with the adjusting screen plate, the arrangement of the position mainly has the effect that tungsten trioxide powder above the mesh plate can be led out from the corresponding communicated holes, when the steps are reversely operated, the problem that the tungsten trioxide powder is scattered when the tungsten trioxide powder is added to the inner side of the discharging cylinder can be avoided, the brush is driven to simultaneously rotate by the rotating plate, the tungsten trioxide powder above the mesh plate can be effectively spread on the upper surface of the sample on the inner side of the crucible under the assistance of the rotation of the brush, compared with the prior art, the phenomenon that the connecting cloth is matched with the lower side of the adjusting screen plate to simultaneously pull the coal samples to pull the coal samples with different sizes to clamp the coal samples with different sizes, the phenomenon that the tungsten powder is evenly spread on the outer side of the crucible, the surface of the coal sample can be further prevented from being burnt by the dust hole, and the phenomenon that the tungsten powder is further spread on the surface of the crucible under the dust is further evenly when the dust is spread on the surface of the crucible, and the dust glass surface of the dust cloth is further evenly around the surface of the dust cloth, and further burnt on the surface of the dust glass surface of the crucible.

Drawings

FIG. 1 is a schematic diagram of a catalyst adding mechanism for detecting coal quality in a thermal power plant according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the mounting structure of the cylinder and clamping block shown in FIG. 1;

FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2 at A;

FIG. 4 is a schematic view of the mounting structure of the mesh plate and the brush shown in FIG. 1;

fig. 5 is an enlarged schematic view of the structure at B shown in fig. 4.

In the figure: 1. a bottom plate; 2. a support plate; 3. an anti-scattering mechanism; 301. a cylinder; 302. a clamping block; 303. an elastic band; 304. connecting cloth; 4. a storage hopper; 401. a discharging cylinder; 402. a mesh plate; 5. a mounting plate; 6. a spreading mechanism; 601. a rocker; 602. a rotating plate; 603. a brush; 7. an adjusting mechanism; 701. adjusting the screen plate; 702. pulling a plate; 703. a pull rod; 704. and a limiting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a catalyst adding mechanism for coal quality detection of thermal power plant, including bottom plate 1, backup pad 2, prevent spilling mechanism 3, cylinder 301, grip block 302, rubber band 303, connect cloth 304, storage hopper 4, a discharge cylinder 401, the mesh board 402, mounting panel 5, spread mechanism 6, rocker 601, rotating plate 602, the brush 603, adjustment mechanism 7, adjust otter board 701, arm-tie 702, pull rod 703 and limiting plate 704, backup pad 2 is installed to bottom plate 1 top array, and the inboard top of backup pad 2 that the array distributes is provided with can be to the not equidimension coal sample crucible spread the tungsten trioxide in-process, avoid spilling mechanism 3 that prevents that falls in the crucible outside, be connected with storage hopper 4 in the middle of the backup pad 2 top, and storage hopper 4 top is fixed with mounting panel 5, storage hopper 4 inboard is provided with and can evenly spread the mechanism 6 of spreading in the crucible coal sample top to its inboard tungsten trioxide.

Examples

Referring to fig. 1-4, the anti-scattering mechanism 3 comprises an air cylinder 301 installed above the inner wall of a supporting plate 2, a clamping block 302 is connected to the end of the air cylinder 301, a rubber band 303 is connected above the clamping block 302, a connecting cloth 304 is sleeved outside the rubber band 303, the clamping block 302 is arc-shaped, the bottom of a storage hopper 4 is communicated with a discharging cylinder 401, a mesh plate 402 is installed below the inner side of the discharging cylinder 401, the connecting cloth 304 is annular, the upper side of the connecting cloth 304 is connected with the bottom of the discharging cylinder 401 in an annular manner, the spreading mechanism 6 comprises a rocker 601 connected in the middle of the mounting plate 5 by a bearing, the bottom of the rocker 601 is connected with a rotating plate 602, a brush 603 is installed at the bottom of the rotating plate 602, the bottom of the brush 603 is in contact with the upper side of the mesh plate 402, the adjusting mechanism 7 comprises an adjusting mesh plate 701 which is slidably connected below the discharging cylinder 401, a pulling plate 702 is fixed on the right side above the adjusting mesh plate 701, a pulling rod 703 is installed on the right side of the pulling plate 702, and the outside of the pull rod 703 is slidably connected with a limiting plate 704, the limiting plate 704 is fixedly connected with the lower right side of the discharging cylinder 401 through a plate, the adjusting screen 701 and the mesh plate 402 form a left-right sliding structure, the crucible mouth with the coal sample is firstly directed to the bottom of the mesh plate 402 above the inner side of the connecting cloth 304, then the four cylinders 301 are started to extend inwards simultaneously through the control buttons, so that the clamping blocks 302 at the tail ends of the four cylinders 301 effectively clamp the outer side of the crucible mouth with the coal sample, at the moment, the rubber band 303 at the lower end surface of the connecting cloth 304 just wraps the crucible mouth with the coal sample, then the pull rod 703 is manually pulled, the pull plate 702 and the adjusting screen 701 are driven to pull to the right side simultaneously under the cooperation of the limiting plate 704 until the limiting plate 704 is propped against, the mesh above the mesh plate 402 is communicated with the adjusting screen 701, and the arrangement mainly has the following effects, the tungsten trioxide powder above the mesh plate 402 can be led out from the corresponding communicated holes, when the steps are reversely operated, the problem that the tungsten trioxide powder is scattered when the tungsten trioxide powder is added to the inner side of the discharging cylinder 401 can be avoided, the rotating plate 602 and the brush 603 can be driven to rotate simultaneously through the rotation of the rocker 601, and the bottom end of the brush 603 is in contact with the upper side of the mesh plate 402, so that the tungsten trioxide powder above the mesh plate 402 can be uniformly spread on the upper surface of a coal sample on the inner side of the crucible under the assistance of the rotation of the brush 603 under the action of the rotation of the brush 603.

Working principle: as shown in fig. 1-5, the crucible mouth with the coal sample is first directed to the bottom of the mesh plate 402 above the inner side of the connecting cloth 304, then the four cylinders 301 are started to extend inwards simultaneously by the control buttons, so that the clamping blocks 302 at the tail ends of the four cylinders 301 effectively clamp the outer side of the crucible mouth with the coal sample, the rubber bands 303 at the lower end face of the connecting cloth 304 just wrap the crucible mouth with the coal sample, then the pull rod 703 is manually pulled, the pull plate 702 and the adjusting screen plate 701 are driven to pull to the right side simultaneously under the cooperation of the limiting plate 704 until the pull rod is abutted against the limiting plate 704, thus the mesh above the mesh plate 402 is communicated with the adjusting screen plate 701, the arrangement is mainly used for guiding out tungsten trioxide powder above the mesh plate 402 from the corresponding communicated holes, when the steps are reversely operated, the problem of scattering materials when adding tungsten trioxide powder to the inner side of the discharging cylinder 401 can be avoided, the rotary plate 602 and the brush 603 can be driven to rotate simultaneously by rotating the rocker 601, and as the bottom end of the brush 603 is in contact with the upper part of the mesh plate 402, under the action of the rotation of the brush 603, tungsten trioxide powder above the mesh plate 402 can be effectively and uniformly spread on the upper surface of the coal sample on the inner side of the crucible under the assistance of the rotation of the brush 603, the structure can clamp the coal sample crucibles with different sizes, the connecting cloth 304 is matched with the rubber band 303 below to wrap the outer side of the opening of the connecting cloth, so that the phenomenon that the upper surface of the coal sample of the crucible is spread when tungsten trioxide is spread is avoided, waste is further reduced, the subsequent cleaning work of operators is avoided, the tungsten trioxide powder can be uniformly spread on the upper surface of the coal sample of the crucible under the action of rotating the brush 603 around the center of the mesh plate 402, thereby further improving the uniformity of ignition point of the crucible coal sample in the combustion process, and completing a series of work.

What has not been described in detail in this specification is prior art that is well known to those skilled in the art, and in the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. 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 utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a thermal power plant's coal quality detects with catalyst adding mechanism, includes bottom plate (1), its characterized in that: the utility model discloses a coal sample crucible, including bottom plate (1), backup pad (2) are installed to bottom plate (1) top array, and array distribution backup pad (2) inboard top is provided with can be to not equidimension coal sample crucible spread the tungsten trioxide in-process, avoid spilling and fall prevent spilling mechanism (3) in the crucible outside, be connected with storage hopper (4) in the middle of backup pad (2) top, just storage hopper (4) top is fixed with mounting panel (5), storage hopper (4) inboard is provided with can spread evenly to its inboard tungsten trioxide and spread mechanism (6) of spreading in the crucible coal sample top.

2. The catalyst adding mechanism for detecting coal quality of a thermal power plant according to claim 1, wherein: the anti-scattering mechanism (3) comprises an air cylinder (301) arranged above the inner wall of the supporting plate (2), the tail end of the air cylinder (301) is connected with a clamping block (302), a rubber band (303) is connected above the clamping block (302), a connecting cloth (304) is sleeved on the outer side of the rubber band (303), and the clamping block (302) is arc-shaped.

3. The catalyst adding mechanism for coal quality detection in a thermal power plant according to claim 2, wherein: the bottom of the storage hopper (4) is communicated with a discharge cylinder (401), and a mesh plate (402) is arranged below the inner side of the discharge cylinder (401).

4. A catalyst addition mechanism for coal quality detection in a thermal power plant according to claim 3, characterized in that: an adjusting mechanism (7) capable of adjusting the opening and closing of the meshes on the mesh plate (402) is arranged below the discharging cylinder (401).

5. A catalyst addition mechanism for coal quality detection in a thermal power plant according to claim 3, characterized in that: the connecting cloth (304) is annular, and the upper part of the connecting cloth (304) is annular connected with the bottom of the discharging cylinder (401).

6. A catalyst addition mechanism for coal quality detection in a thermal power plant according to claim 3, characterized in that: the spreading mechanism (6) comprises a rocker (601) connected with the middle of the mounting plate (5) through a bearing, a rotating plate (602) is connected to the bottom end of the rocker (601), and a brush (603) is mounted at the bottom of the rotating plate (602).

7. The catalyst adding mechanism for detecting coal quality of a thermal power plant according to claim 6, wherein: the bottom of the hairbrush (603) is contacted with the upper part of the mesh plate (402).

8. The catalyst adding mechanism for detecting coal quality of a thermal power plant according to claim 4, wherein: adjustment mechanism (7) are in including sliding connection regulation otter board (701) of ejection of compact section of thick bamboo (401) below, just regulation otter board (701) top right side is fixed with arm-tie (702), arm-tie (703) are installed on arm-tie (702) right side, just arm-tie (703) outside sliding connection has limiting plate (704), limiting plate (704) pass through the plate with ejection of compact section of thick bamboo (401) right side below is fixed connection, regulation otter board (701) with mesh board (402) constitute side-to-side sliding structure.