CN217313811U - Clear stifled device of coal pulverizer row cinder notch and coal grinding system - Google Patents
Clear stifled device of coal pulverizer row cinder notch and coal grinding system Download PDFInfo
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- CN217313811U CN217313811U CN202123152249.9U CN202123152249U CN217313811U CN 217313811 U CN217313811 U CN 217313811U CN 202123152249 U CN202123152249 U CN 202123152249U CN 217313811 U CN217313811 U CN 217313811U
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- blockage removing
- box
- removing rod
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Abstract
The utility model provides a clear stifled device of coal pulverizer row cinder notch and coal grinding system, include: the device comprises a blockage removing rod, an inner limit, an outer limit, a handle and a sealing box; the blockage removing rod is a circular metal pipe; the inner limit and the handle are respectively positioned at two ends of the blockage removing rod; the outer limit is positioned between the handle and the inner limit and close to one side of the handle; the inner limit, the outer limit and the handle are respectively and vertically welded with the blockage removing rod; the blockage removing rod is sleeved with a sealing box, and the sealing box is located between the outer limit and the inner limit. The utility model discloses an install clear stifled device additional, can judge on line whether to arrange the cinder notch and block up to clear up, solved prior art, the coal pulverizer arranges the cinder notch and easily blocks up, leads to arranging the unable warning of sediment dolly high material level alarm, has effectively prevented the jam of a plenum and the damage of carbon essence sealing ring, has stopped the emergence of this type of defect, has reduced the maintenance cost.
Description
Technical Field
The utility model relates to thermoelectric boiler coal grinding field especially involves being a clear stifled device of coal pulverizer row cinder notch and coal grinding system.
Background
As an important auxiliary equipment of the coal powder furnace, a coal mill is generally used to crush and grind coal briquettes into coal powder. Along with the influence of factors such as increasing of coal blending and burning conditions of a powder making system of a power station boiler, continuous change of coal types, low input efficiency of a coal conveying iron remover and the like, a slag discharging device of a coal mill often discharges a large amount of articles such as iron wires, iron plates and the like.
The objects are easy to cause blockage of a slag discharge port, so that a material level meter at the upper part of a slag discharge trolley can not give an alarm, and more seriously, a primary air chamber of a coal mill can be blocked, so that a carbon sealing ring in the base seal is damaged and other serious consequences are caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a clear stifled device of coal pulverizer row cinder notch and coal grinding system, its purpose is solved "among the prior art, the easy jam of cinder notch is arranged to the coal pulverizer, leads to arranging the unable problem of reporting to the police of sediment dolly high material level alarm". In order to realize the purpose, the utility model adopts the following technical scheme:
on the one hand, the utility model provides a clear stifled device of coal pulverizer row cinder notch, include: the device comprises a blockage removing rod 1, an inner limit 2, an outer limit 3, a handle 5 and a sealing box 4;
the blockage removing rod 1 is a cylindrical metal pipe; the inner limit 2 and the handle 5 are respectively positioned at two ends of the blockage removing rod 1, and the outer limit 3 is positioned between the handle and the inner limit and close to one side of the handle 5; the inner limit 2, the outer limit 3 and the handle 5 are respectively and vertically welded with the blockage removing rod 1; the blockage removing rod 1 is sleeved with a sealing box 4, and the sealing box 4 is positioned between the outer limit 3 and the inner limit 2;
the sealing box 4 comprises a box body and a box cover; the box body is a cylindrical metal box, the box cover is provided with a through hole for penetrating the blockage removing rod 1, one surface of the box cover facing the inside of the box body is provided with a cylindrical bulge, and the diameter of the cylindrical bulge is the same as the inner diameter of the box body; the bottom end of the seal box 4 is welded on the side wall of a slag discharge pipe 10 at a slag discharge port of the coal mill.
In a possible implementation manner, the blockage removing rod 1, the inner limit 2, the outer limit 3 and the handle 5 are all steel pipes.
In a possible implementation manner, a plurality of protruding blocks are arranged on the outer side of the box body, a plurality of through holes are formed in the protruding blocks and the edge portion of the box cover oppositely, and the through holes are used for locking the box cover and the box body through screws.
In a possible implementation manner, the outer side of the box body surrounds the box body, an annular locking sheet is arranged on the box body, a plurality of through holes are formed in the annular locking sheet and the edge portion of the box cover relatively, and the through holes are used for locking the box cover and the box body through screws.
In a possible implementation manner, a packing sealing material is further arranged in the sealing box 4, and the packing sealing material is wound in the sealing box 4 by taking the blockage removing rod as an axis. Namely, it is
In one possible implementation, the packing sealing material is a graphite packing.
In a possible realization, the handle 5 is wrapped with an insulating and heat-insulating protective sheath.
In a possible implementation manner, the protective sleeve wrapped on the handle 5 is made of rubber.
In a possible implementation, the inner limit 2, the outer limit 3 and the handle 5 are on the same plane.
On the other hand, the utility model also provides a coal grinding system, include: the coal mill and the blockage removing device for the slag discharge port of the coal mill are provided;
the coal pulverizer includes: the device comprises a main machine 6, a coal inlet 7, a powder outlet 8, an air inlet 9 and a slag discharge pipe 10 positioned at a slag discharge port;
the coal inlet 7 is positioned at the top end of the main machine 6; the powder outlet 8 is positioned at the upper part of the main machine 6 and used for blowing out ground coal powder; the air inlet 9 is used for conveying hot air into the main machine 6, and the hot air is used for drying and taking out ground coal powder; the slag discharging pipe 10 is connected with a slag discharging port at the lower part of the side wall of the main machine 6; the blockage removing rod 1 of the blockage removing device penetrates through the side wall of the slag discharging pipe 10, and the bottom end of the sealing box 4 of the blockage removing device is welded with the side wall of the slag discharging pipe 10.
Compared with the prior art, the utility model provides a have following advantage: by additionally arranging the blockage cleaning device, whether the slag discharge port is blocked or not can be judged on line, and the blockage of the primary air chamber and the damage of the carbon fine sealing ring can be effectively prevented, the defects are avoided, and the maintenance cost is reduced; the device simple structure reforms transform with low costsly, and convenient operation still can stop simultaneously and arrange the unable risk of reporting to the police of sediment dolly high material level alarm and arrange the cinder notch and block up unable the affirmation, and the inspection is arranged the cinder notch, needs to shut down the coal pulverizer, and the plenum time of clearance is longer, seriously influences the reserve problem of coal pulverizer equipment.
In addition to the technical problems, technical features constituting technical solutions, and advantages brought by the technical features of the technical solutions described above, the present invention provides other technical problems, other technical features included in technical solutions, and advantages brought by the technical features, which can be solved by the present invention, and will be described in further detail in the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural view of a blockage removing rod provided by an embodiment of the present invention;
fig. 2 is a front view of a cross-sectional view of a blockage removing rod provided by an embodiment of the invention;
fig. 3 is a schematic structural diagram of a coal grinding system provided by an embodiment of the present invention.
Reference numerals:
1-blockage removing rod, 2-inner limit, 3-outer limit, 4-sealing box, 5-handle, 6-main machine, 7-coal inlet, 8-powder outlet, 9-air inlet and 10-slag discharging pipe.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, in one aspect, the present invention provides a blockage removing device for a slag discharge port of a coal mill, including: the device comprises a blockage removing rod 1, an inner limit 2, an outer limit 3, a handle 5 and a sealing box 4;
the blockage removing rod 1 is a cylindrical metal pipe; the inner limit 2 and the handle 5 are respectively positioned at two ends of the blockage removing rod 1, and the outer limit 3 is positioned between the handle and the inner limit and close to one side of the handle 5; the inner limit 2, the outer limit 3 and the handle 5 are respectively and vertically welded with the blockage removing rod 1; a sealing box 4 is sleeved on the blockage removing rod 1, and the sealing box 4 is positioned between the outer limit 3 and the inner limit 2;
the sealing box 4 comprises a box body and a box cover; the box body is a cylindrical metal box, the box cover is provided with a through hole for penetrating the blockage removing rod 1, one surface of the box cover facing the inside of the box body is provided with a cylindrical bulge, and the diameter of the cylindrical bulge is the same as the inner diameter of the box body; the bottom end of the seal box 4 is welded on the side wall of a slag discharge pipe 10 at a slag discharge port of the coal mill.
Compared with the prior art, the utility model provides a have following advantage: by additionally arranging the blockage cleaning device, whether the slag discharge port is blocked or not can be judged on line, and the blockage of the primary air chamber and the damage of the carbon fine sealing ring can be effectively prevented, the defects are avoided, and the maintenance cost is reduced; the device simple structure reforms transform with low costsly, and convenient operation still can stop simultaneously and arrange the unable risk of reporting to the police of sediment dolly high material level alarm and arrange the cinder notch and block up unable the affirmation, and the inspection is arranged the cinder notch, needs to shut down the coal pulverizer, and the plenum time of clearance is longer, seriously influences the reserve problem of coal pulverizer equipment.
In a possible implementation manner, the blockage removing rod 1, the inner limit 2, the outer limit 3 and the handle 5 are all steel pipes. The material of the steel pipe is adopted, so that the price is low, the material is convenient to obtain, the processing is easy, and the popularization is facilitated.
In a possible implementation manner, a plurality of protruding blocks are arranged on the outer side of the box body, a plurality of through holes are formed in the protruding blocks and the edge portion of the box cover oppositely, and the through holes are used for locking the box cover and the box body through screws.
In a possible implementation manner, the outer side of the box body is provided with an annular locking sheet around the box body, the annular locking sheet and the edge part of the box cover are oppositely provided with a plurality of through holes, and the through holes are used for locking the box cover and the box body through screws. Install screw locking seal box additional, it is more durable firm when the device uses, and the leakproofness is better.
In a possible implementation manner, a packing material is further arranged in the sealing box 4, and the packing material is wound in the sealing box 4 by taking the blockage removing rod as an axis. And packing materials are additionally arranged, so that the sealing property of the sealing box is further enhanced, and the pulverized coal is prevented from leaking.
In one possible implementation, the packing sealing material is a graphite packing. Graphite packing is insulating heat-resisting, is the most suitable packing material among this application service environment.
In a possible realization, the handle 5 is wrapped with an insulating and heat-insulating protective sheath. Install the protective sheath additional and can effectively protect the staff, prevent to scald.
In a possible implementation manner, the protective sleeve wrapped on the handle 5 is made of rubber. The rubber material is cheap and easy to obtain, has good plasticity and easy processing, has excellent insulating and heat-insulating properties, and is the most common handle protection material in industrial production.
In a possible implementation, the inner limit 2, the outer limit 3 and the handle 5 are on the same plane. All structures are positioned on the same plane, the appearance is attractive, the mass production and the processing are more convenient, and the space is saved during the packaging and the transportation.
In a possible implementation mode, the inner limit 2 and the handle 5 are integrated with the blockage removing rod, the blockage removing rod 1 is formed by bending, and the outer limit 3 is a steel pipe welded on the blockage removing rod 1.
In a possible implementation mode, the inner limit 2 and the outer limit 3 are integrated with the blockage removing rod, the blockage removing rod 1 is formed by bending, and the handle 5 is a steel pipe welded on the blockage removing rod 1.
In one possible implementation, the blockage removing rod 1, the inner limit 2, the outer limit 3 and the handle 5 are integrally formed metal castings.
On the other hand, the utility model also provides a coal grinding system, include: the coal mill and the blockage removing device for the slag discharge port of the coal mill provided by the application are provided;
the coal pulverizer includes: the device comprises a main machine 6, a coal inlet 7, a powder outlet 8, an air inlet 9 and a slag discharge pipe 10 positioned at a slag discharge port;
the coal inlet 7 is positioned at the top end of the main machine 6; the powder outlet 8 is positioned at the upper part of the main machine 6 and is used for blowing out ground coal powder; the air inlet 9 is used for conveying hot air into the main machine 6, and the hot air is used for drying and carrying out ground coal dust; the slag discharging pipe 10 is connected with a slag discharging port at the lower part of the side wall of the main machine 6; the clear stifled pole 1 of clear stifled device wears to locate on the lateral wall of row's sediment pipe 10, just the bottom of the seal box 4 of clear stifled device with arrange the lateral wall welding of sediment pipe 10.
The system is additionally provided with the blockage cleaning device on the original coal mill, the transformation cost is low, the operation is convenient, the risk that the high material level alarm of the slag discharge trolley cannot give an alarm can be simultaneously avoided, the blockage of the slag discharge port cannot be determined, the slag discharge port is checked, the coal mill needs to be stopped, the time of cleaning the primary air chamber is longer, and the problem of the backup of the coal mill equipment is seriously influenced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.
Claims (10)
1. The utility model provides a clear stifled device of coal pulverizer row cinder notch which characterized in that includes: the blockage removing device comprises a blockage removing rod (1), an inner limit (2), an outer limit (3), a handle (5) and a sealing box (4);
the blockage removing rod (1) is a cylindrical metal pipe; the inner limit (2) and the handle (5) are respectively positioned at two ends of the blockage removing rod (1), and the outer limit (3) is positioned between the handle and the inner limit and close to one side of the handle (5); the inner limit (2), the outer limit (3) and the handle (5) are respectively and vertically welded with the blockage removing rod (1); a sealing box (4) is sleeved on the blockage removing rod (1), and the sealing box (4) is positioned between the outer limit (3) and the inner limit (2);
the sealing box (4) comprises a box body and a box cover; the box body is a cylindrical metal box, the box cover is provided with a through hole for penetrating the blockage removing rod (1), one surface of the box cover facing the inside of the box body is provided with a cylindrical bulge, and the diameter of the cylindrical bulge is the same as the inner diameter of the box body; the bottom end of the sealing box (4) is welded on a slag discharge pipe (10) positioned at a slag discharge port of the coal mill.
2. The coal mill slag discharge port blockage removing device according to claim 1, wherein the blockage removing rod (1), the inner limit (2), the outer limit (3) and the handle (5) are all steel pipes.
3. The coal mill slag discharge port blockage removal device as claimed in claim 1, wherein a plurality of protruding blocks are arranged on the outer side of the box body, a plurality of through holes are formed in the protruding blocks and the edge portion of the box cover opposite to each other, and the through holes are used for locking the box cover and the box body through screws.
4. The coal mill cinder notch clear stifled device of claim 1, characterized in that, the box body outside encircles the box body and is equipped with annular stay, annular stay and the marginal portion of lid relative a plurality of through-holes, a plurality of through-holes are used for passing through screw locking with the box body with the lid.
5. The coal mill cinder notch clear stifled device of claim 1, characterized in that still is equipped with packing sealing material in the seal box (4), packing sealing material uses clear stifled pole as the axle to wind in the seal box (4).
6. The coal mill cinder notch plug cleaning device of claim 5, wherein the packing sealing material is graphite packing.
7. The coal mill slag hole blockage removing device is characterized in that the handle (5) is wrapped with an insulating heat-insulating protective sleeve.
8. The coal mill slag discharge port blockage removal device as defined in claim 7, wherein a protective sleeve wrapped on the handle (5) is made of rubber.
9. The coal mill cinder notch clear stifled device of any one of claims 1-8, characterized in that, interior spacing (2), outer spacing (3) and handle (5) are on the coplanar.
10. A coal grinding system, comprising: a coal mill and a blockage removal device as claimed in any one of claims 1 to 9; the coal pulverizer includes: the coal powder discharging device comprises a main machine (6), a coal inlet (7), a powder outlet (8), an air inlet (9) and a slag discharging pipe (10) positioned at a slag discharging port;
the coal inlet (7) is positioned at the top end of the main machine (6); the powder outlet (8) is positioned at the upper part of the main machine (6) and is used for blowing out ground coal powder; the air inlet (9) is used for conveying hot air into the main machine (6), and the hot air is used for drying and carrying out ground coal dust; the slag discharging pipe (10) is connected with a slag discharging port at the lower part of the side wall of the main machine (6); the blockage removing rod (1) of the blockage removing device penetrates through the side wall of the slag discharging pipe (10), and the bottom end of the sealing box (4) of the blockage removing device is welded with the side wall of the slag discharging pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123152249.9U CN217313811U (en) | 2021-12-15 | 2021-12-15 | Clear stifled device of coal pulverizer row cinder notch and coal grinding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123152249.9U CN217313811U (en) | 2021-12-15 | 2021-12-15 | Clear stifled device of coal pulverizer row cinder notch and coal grinding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217313811U true CN217313811U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123152249.9U Active CN217313811U (en) | 2021-12-15 | 2021-12-15 | Clear stifled device of coal pulverizer row cinder notch and coal grinding system |
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| Country | Link |
|---|---|
| CN (1) | CN217313811U (en) |
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2021
- 2021-12-15 CN CN202123152249.9U patent/CN217313811U/en active Active
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