CN219549675U - Tee baffle of coal conveying system of thermal power plant - Google Patents
Tee baffle of coal conveying system of thermal power plant Download PDFInfo
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- CN219549675U CN219549675U CN202223134815.8U CN202223134815U CN219549675U CN 219549675 U CN219549675 U CN 219549675U CN 202223134815 U CN202223134815 U CN 202223134815U CN 219549675 U CN219549675 U CN 219549675U
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Abstract
The utility model relates to the technical field of coal conveying and distribution, in particular to a three-way baffle of a coal conveying system of a thermal power plant, which comprises the following components: the coal feeding device comprises a three-way pipe body, a coal feeding pipe and a coal feeding pipe, wherein the three-way pipe body comprises a coal feeding pipe and a coal feeding pipe, the coal feeding pipe is arranged at the upper end of the three-way pipe body, and the coal feeding pipe is arranged at the lower end of the three-way pipe body; the turning plate is arranged in the three-way pipe body, the partition plate is arranged at the inlet of the three-way pipe body, the rotating shaft is fixedly connected to the three-way pipe body, and the push rod is fixedly connected with the rotating shaft; flange sets up the upper end of going into the coal pipe, backplate, the backplate divide into entry backplate and switches the backplate, the entry backplate sets up the entrance of three-way body, switch the backplate set up in the outside of entry backplate compares with prior art, the utility model provides a three-way baffle makes on-the-spot hourglass powder of production, leaks the coal problem and obtains fine relieving, does not change original mounting dimension, increase equipment life.
Description
Technical Field
The utility model relates to the technical field of coal conveying and splitting, in particular to a three-way baffle of a coal conveying system of a thermal power plant.
Background
The three-way baffle is a flow dividing device of the coal conveying system, is key equipment for dividing the coal materials of the upper stage to different coal dropping pipes of the lower stage through the flow dividing device, achieves the purposes of feeding fuel, storing and stacking and blending coal through the flow dividing, and is an important factor for testing whether the coal dropping pipe system can safely and stably run or not.
However, the existing three-way baffle is often thin in baffle layer design and low in strength, and the baffle is greatly impacted by coal flow, so that the problems of deformation and fracture of the baffle frequently occur in operation, and the normal production progress is seriously affected. In addition, the sealing layer in the existing three-way baffle is extremely easy to damage and poor in wear resistance, so that coal leakage and powder leakage are caused, the safety, stability and long-period operation of equipment are seriously affected, and great difficulty is brought to the safety production treatment on site.
Disclosure of Invention
The utility model aims to provide a three-way baffle of a coal conveying system of a thermal power plant, which solves the problems that the sealing layer in the existing three-way baffle is extremely easy to damage and poor in wear resistance, so that coal leakage and powder emission are caused, the safety, stability and long-period operation of equipment are seriously affected, and great difficulty is brought to the safety production management on site.
In order to achieve the above purpose, the present utility model provides the following technical solutions: three-way baffle of coal conveying system of thermal power factory, its characterized in that: comprising the following steps:
the three-way pipe body comprises coal dropping pipes and coal feeding pipes, wherein the coal feeding pipes are arranged at the upper end of the three-way pipe body, the number of the coal dropping pipes is two, the coal dropping pipes are a left coal dropping pipe and a right coal dropping pipe, and the coal dropping pipes are arranged at the lower end of the three-way pipe body;
the turning plate is arranged in the tee pipe body, is semicircular and is used for switching the coal flow direction;
the baffle plate is arranged at the inlet of the three-way pipe body and is used for isolating pulverized coal and coal flow from entering the gap between the turning plate and the three-way pipe body;
the rotating shaft is fixedly connected to the three-way pipe body, and the rotating shaft and the turning plate are connected in the three-way pipe body;
the push rod is fixedly connected with the rotating shaft;
the connecting flange is arranged at the upper end of the coal inlet pipe and is used for communicating the coal inlet pipe with the upper-stage coal conveying pipeline.
Preferably, the three-way baffle further comprises:
the protection plates are divided into an inlet protection plate and a switching protection plate, the inlet protection plate is arranged at the inlet of the three-way pipe body, the inlet protection plate and the coal dropping pipe are the same in size, and the switching protection plate is arranged at the outer side of the inlet protection plate;
and the sealing piece is arranged on the rotating shaft and is used for preventing coal dust and coal flow from entering or exiting from the tee pipe body.
Preferably, the three-way baffle further comprises:
the proximity switch is arranged at the circle center of the turning plate and used for controlling the turning plate to switch the coal flow direction.
Preferably, the rotating shaft comprises a driving rotating shaft and a driven rotating shaft, and the driving rotating shaft and the driven rotating shaft are arranged on two sides of the three-way pipe body.
Preferably, the three-way baffle further comprises:
one end of the force arm is connected with the push rod, and the other end of the force arm is connected with the rotating shaft.
Preferably, the inlet guard plate and the switching guard plate are both arranged at the inlet of the tee body in a diamond-shaped manner.
Preferably, the seal is an oil seal.
Compared with the prior art, the utility model has the beneficial effects that:
a three-way baffle of a coal conveying system of a thermal power plant, comprising: the three-way pipe body comprises coal dropping pipes and coal feeding pipes, wherein the coal feeding pipes are arranged at the upper end of the three-way pipe body, the number of the coal dropping pipes is two, the coal dropping pipes are a left coal dropping pipe and a right coal dropping pipe, and the coal dropping pipes are arranged at the lower end of the three-way pipe body; the turning plate is arranged in the tee pipe body, is semicircular and is used for switching the coal flow direction; the baffle plate is arranged at the inlet of the three-way pipe body and is used for isolating pulverized coal and coal flow from entering the gap between the turning plate and the three-way pipe body; the rotating shaft is fixedly connected to the three-way pipe body, and the rotating shaft and the turning plate are connected in the three-way pipe body; the push rod is fixedly connected with the rotating shaft; the connecting flange is arranged at the upper end of the coal inlet pipe and is used for communicating the coal inlet pipe with a previous-stage coal conveying pipeline, the guard plates are divided into inlet guard plates and switching guard plates, the inlet guard plates are arranged at the inlet of the three-way pipe body, the inlet guard plates are the same as the coal outlet pipe in size, and the switching guard plates are arranged at the outer sides of the inlet guard plates; and the sealing piece is arranged on the rotating shaft and is used for preventing pulverized coal and coal flow from leaking out of the tee pipe body. Compared with the prior art, the utility model provides a three-way baffle makes the powder leakage of production scene, leaks the coal problem and obtains fine relieving, and long-term use need not to change, does not change original installation size, increase equipment life, stability can be good, simple structure.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the overall structure of the present utility model;
in the figure:
1. a push rod; 2. a coal dropping pipe; 3. a partition plate; 4. turning plate; 5. a driving rotating shaft; 6. a driven rotating shaft; 7. a connecting flange; 8. a seal; 9. force arm; 10. a proximity switch; 11. a coal inlet pipe; a. an inlet guard; b. and (5) switching the guard board.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "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, and can be communication between two elements. 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.
Referring to fig. 1-2, an embodiment of the present utility model is provided:
a three-way baffle of a coal conveying system of a thermal power plant, comprising:
the three-way pipe body comprises coal dropping pipes 2 and coal inlet pipes 11, wherein the coal inlet pipes 11 are arranged at the upper end of the three-way pipe body, the number of the coal dropping pipes 2 is two, the coal dropping pipes 2 are left coal dropping pipes and right coal dropping pipes, and the coal dropping pipes 2 are arranged at the lower end of the three-way pipe body;
the turning plate 4 is arranged in the three-way pipe body, the turning plate 4 is semicircular, and the turning plate 4 is used for switching the coal flow direction;
the baffle plate 3 is arranged at the inlet of the three-way pipe body, and the baffle plate 3 is used for isolating pulverized coal and coal flow from entering the gap between the turning plate 4 and the three-way pipe body;
the rotating shaft is fixedly connected to the three-way pipe body, and the rotating shaft is connected with the turning plate 4 in the three-way pipe body;
the push rod 1 is fixedly connected with the rotating shaft;
the connecting flange 7 is arranged at the upper end of the coal inlet pipe 11, and the connecting flange 7 is used for communicating the coal inlet pipe 11 with a previous-stage coal conveying pipeline.
In some embodiments of the utility model, the three-way baffle further comprises:
the protection plates are divided into an inlet protection plate a and a switching protection plate b, the inlet protection plate a is arranged at the inlet of the three-way pipe body, the inlet protection plate a and the coal dropping pipe 2 are the same in size, and the switching protection plate b is arranged at the outer side of the inlet protection plate a;
and the sealing piece 8 is arranged on the rotating shaft, and the sealing piece 8 is used for preventing coal dust and coal flow from entering or exiting from the tee pipe body.
In some embodiments of the utility model, the three-way baffle further comprises:
the proximity switch 10 is arranged at the center position of the turning plate 4, and the proximity switch 10 is used for controlling the turning plate 4 to switch the coal flow direction.
In some embodiments of the present utility model, the rotating shaft includes a driving rotating shaft 5 and a driven rotating shaft 6, where the driving rotating shaft 5 and the driven rotating shaft 6 are disposed at two sides of the tee body.
In some embodiments of the utility model, the three-way baffle further comprises:
the arm of force 9, the one end of arm of force 9 with push rod 1 is connected, the other end of arm of force 9 with the pivot is connected.
In some embodiments of the present utility model, the inlet guard a and the switching guard b are both mounted at the inlet of the tee body in a diamond-shaped manner.
In some embodiments of the utility model, the seal 8 is an oil seal.
Working principle: when the three-way baffle works, the coal inlet pipe 11 is communicated with the upper-stage coal conveying pipeline to convey coal flow into the three-way pipe, an inlet guard plate a is arranged at the inlet of the three-way pipe, a switching guard plate b is arranged at the outer side of the inlet guard plate a, when the inlet guard plate a cannot rotate due to grinding, the switching guard plate b is replaced, the coal flow enters the three-way pipe through the inlet guard plate a, the push rod 1 stretches out and draws back, the push rod 1 carries a power arm 9, the force arm 9 is connected with an active rotating shaft 5, the active rotating shaft 5 controls a turning plate 4 to switch the coal flow direction, when the left coal dropping pipe conveys coal flow, the push rod 1 stretches out and pushes the power arm 9, the force arm 9 drives the active rotating shaft 5, when the right coal dropping pipe conveys coal flow, the push rod 1 contracts and carries the power arm 9, the active rotating shaft 5 controls the turning plate 4 to switch the coal flow direction to the right coal dropping pipe to convey.
According to the first conception of the utility model, the structure of the three-way baffle is improved, the inlet guard plate a and the lining plate of the three-way baffle are installed in a diamond-shaped manner, the inlet guard plate a is designed to be as large as the coal dropping pipe 2, the switching guard plate b is hidden at the outer side of the inlet guard plate a, the switching guard plate b and the lining plate are also installed in a diamond-shaped manner, the problem that the traditional three-way baffle cannot rotate due to the fact that the inlet guard plate a is worn out is solved, the production is affected, the shaft sleeve of the arm 9 is connected with the driving shaft 5 in a Morse taper mode, the gap between the shaft sleeves is solved, the sealing piece 8 is arranged on the driven shaft 6, the sealing piece 8 is an oil seal, coal dust and coal flow are prevented from entering or flowing out from the three-way pipe body, so that equipment is damaged, the three-way baffle of the utility model has the advantages of good stability, obvious effect and simple structure, long-term use without replacement, original installation size is not changed, and the service life of the equipment is prolonged.
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 (7)
1. Three-way baffle of coal conveying system of thermal power factory, its characterized in that includes:
the three-way pipe body comprises coal dropping pipes and coal feeding pipes, wherein the coal feeding pipes are arranged at the upper end of the three-way pipe body, the number of the coal dropping pipes is two, the coal dropping pipes are a left coal dropping pipe and a right coal dropping pipe, and the coal dropping pipes are arranged at the lower end of the three-way pipe body;
the turning plate is arranged in the tee pipe body, is semicircular and is used for switching the coal flow direction;
the baffle plate is arranged at the inlet of the three-way pipe body and is used for isolating pulverized coal and coal flow from entering the gap between the turning plate and the three-way pipe body;
the rotating shaft is fixedly connected to the three-way pipe body, and the rotating shaft and the turning plate are connected in the three-way pipe body;
the push rod is fixedly connected with the rotating shaft;
the connecting flange is arranged at the upper end of the coal inlet pipe and is used for communicating the coal inlet pipe with the upper-stage coal conveying pipeline.
2. The three-way baffle of a coal handling system of a thermal power plant of claim 1, further comprising:
the protection plates are divided into an inlet protection plate and a switching protection plate, the inlet protection plate is arranged at the inlet of the three-way pipe body, the inlet protection plate and the coal dropping pipe are the same in size, and the switching protection plate is arranged at the outer side of the inlet protection plate;
and the sealing piece is arranged on the rotating shaft and is used for preventing coal dust and coal flow from entering or exiting from the tee pipe body.
3. The three-way baffle of a coal handling system of a thermal power plant of claim 1, further comprising:
the proximity switch is arranged at the circle center of the turning plate and used for controlling the turning plate to switch the coal flow direction.
4. The three-way baffle of a coal conveying system of a thermal power plant according to claim 1, wherein the rotating shaft comprises a driving rotating shaft and a driven rotating shaft, and the driving rotating shaft and the driven rotating shaft are arranged on two sides of the three-way pipe body.
5. The three-way baffle of a coal handling system of a thermal power plant of claim 1, further comprising: one end of the force arm is connected with the push rod, and the other end of the force arm is connected with the rotating shaft.
6. The three-way baffle of a coal handling system of a thermal power plant of claim 2, wherein the inlet guard and the switching guard are both diamond-shaped mounted at the inlet of the tee body.
7. The three-way baffle of a coal handling system of a thermal power plant of claim 2, wherein the seal is an oil seal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202223134815.8U CN219549675U (en) | 2022-11-24 | 2022-11-24 | Tee baffle of coal conveying system of thermal power plant |
Applications Claiming Priority (1)
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CN202223134815.8U CN219549675U (en) | 2022-11-24 | 2022-11-24 | Tee baffle of coal conveying system of thermal power plant |
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CN219549675U true CN219549675U (en) | 2023-08-18 |
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CN202223134815.8U Active CN219549675U (en) | 2022-11-24 | 2022-11-24 | Tee baffle of coal conveying system of thermal power plant |
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- 2022-11-24 CN CN202223134815.8U patent/CN219549675U/en active Active
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