CN221209205U - Coal pulverizer sieving mechanism - Google Patents
Coal pulverizer sieving mechanism Download PDFInfo
- Publication number
- CN221209205U CN221209205U CN202321100473.XU CN202321100473U CN221209205U CN 221209205 U CN221209205 U CN 221209205U CN 202321100473 U CN202321100473 U CN 202321100473U CN 221209205 U CN221209205 U CN 221209205U
- Authority
- CN
- China
- Prior art keywords
- air supply
- conveying pipeline
- coal pulverizer
- collector
- screening device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003245 coal Substances 0.000 title claims abstract description 35
- 238000007873 sieving Methods 0.000 title claims description 10
- 238000012216 screening Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 6
- 239000010883 coal ash Substances 0.000 abstract description 19
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 239000002817 coal dust Substances 0.000 description 4
- 239000004484 Briquette Substances 0.000 description 3
- 230000003670 easy-to-clean Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model discloses a coal mill screening device, which relates to the technical field of screening devices and comprises a device main body, a conveying pipeline, a collector and an end cover, wherein an air supply mechanism is arranged at one end of the conveying pipeline, and the air supply mechanism comprises: the air supply pipe is positioned outside one end of the conveying pipeline and is used as an air supply channel; the spiral groove is formed in the inner side surface of the conveying pipeline and has the effect of changing the wind track; through having designed air supply mechanism for the coal ash that pipeline inside exists can be by the clean up, and the more thorough of clearance simultaneously, simple structure is practical.
Description
Technical Field
The utility model relates to the technical field of screening devices, in particular to a coal mill screening device.
Background
The volume that coal was extracted is great, influences the combustion efficiency of coal, and transport after the pulverized coal that breaks into powder is kept quite inconvenient, therefore usually be equipped with corresponding steel ball coal pulverizer alone on the boiler of burning coal, smash the coal briquette that is great into small, the higher buggy of combustion efficiency, adopt the mode of air feed to carry into the boiler, after the steel ball that smashes coal briquette in the steel ball coal pulverizer used is worn out for a long time, the diameter of steel ball diminishes, the efficiency of coal pulverizer broken coal briquette that leads to reduces, influence the heating efficiency of boiler, consequently, need use sieving mechanism, but present sieving mechanism still has some problems.
The utility model discloses an automatic steel ball screening device for a coal mill, which can prevent coal dust from being wasted and polluted by the coal dust brought out of the coal mill by the steel ball, but the coal dust in the conveying pipeline of the existing coal mill screening device still exists some coal dust and is not easy to clean, so that the coal mill screening device is provided.
Disclosure of utility model
The utility model provides a coal mill screening device, which is characterized in that some coal ash still exists in a conveying pipeline of the existing coal mill screening device, so that the coal ash is not easy to clean.
In order to solve the technical problems, the utility model provides the following scheme:
The utility model provides a coal pulverizer sieving mechanism, includes device main part, pipeline, collector and end cover, pipeline one end is provided with air supply mechanism, air supply mechanism includes:
The air supply pipe is positioned outside one end of the conveying pipeline and is used as an air supply channel;
The spiral groove is formed in the inner side surface of the conveying pipeline and has the effect of changing the wind track.
Preferably, a through groove is formed in the surface of one side of the top end of the conveying pipeline, and a sealing ring is arranged on the inner side of the through groove.
Preferably, the device further comprises a dismounting mechanism, the dismounting mechanism comprises elastic sheets, the number of the elastic sheets is two, the two elastic sheets are respectively positioned at two sides of the bottom end of the end cover, the elastic sheets are positioned at the inner wall of the collector and provided with fixing grooves, the bottom end of one side of each elastic sheet is provided with a protruding block, and the protruding blocks are positioned at the inner wall of the collector and provided with limiting grooves.
Preferably, one end of the air supply pipe is connected with an air supply device, and the air supply pipe is communicated with the inside of the conveying pipeline.
Preferably, the direction of rotation of the threads of the helical groove is towards the collector.
Preferably, the top end of the elastic sheet is fixedly connected with the bottom end surface of the end cover, and the section of the elastic sheet is square.
Preferably, the surface of one side of the protruding block is arc-shaped, and the protruding block is fixedly connected with the elastic sheet.
The scheme of the utility model at least comprises the following beneficial effects:
1. Through having designed air supply mechanism, only need open the blast apparatus of blast pipe one end, can accomplish the clearance work to the inside coal ash of pipeline, the inside coal ash of pipeline of current coal pulverizer sieving mechanism still can exist some coal ashes, is difficult for by clean up, through having designed this mechanism for the coal ash that pipeline inside exists can be cleaned up, and the more thoroughly of clearance simultaneously, simple structure is practical.
2. Through having designed disassembly body for personnel need dismantle or install collector and sealing washer, more quick, current coal pulverizer sieving mechanism's collector passes through the screw connection with the end cover, when needs demountable installation, and the time that consumes is longer, through having designed this mechanism, the effectual efficiency of having improved the installation and dismantling.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
FIG. 3 is a schematic cross-sectional view of an inventive collector;
fig. 4 is an enlarged schematic view of the structure of fig. 3B.
Reference numerals:
1. A device body; 2. a delivery conduit; 3. a collector; 4. an air supply pipe; 5. a spiral groove; 6. a through groove; 7. a seal ring; 8. an end cap; 9. a fixing groove; 10. an elastic sheet; 11. a bump; 12. and a limit groove.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1-2, the present utility model provides a coal mill screening device, which comprises a device main body 1, a conveying pipeline 2, a collector 3 and an end cover 8, and is characterized in that one end of the conveying pipeline 2 is provided with an air supply mechanism, and the air supply mechanism comprises: the air supply pipe 4 is positioned outside one end of the conveying pipeline 2 and is used as an air supply channel; the spiral groove 5 is formed in the inner side surface of the conveying pipeline 2, and has the effect of changing wind tracks; a through groove 6 is formed in the surface of one side of the top end of the conveying pipeline 2, and a sealing ring 7 is arranged on the inner side of the through groove 6; when the coal ash inside the conveying pipeline 2 needs to be cleaned, firstly, the air supply device at one end of the air supply pipe 4 is started, air enters the conveying pipeline 2 through the action of the air supply pipe 4, the air enters the conveying pipeline 2, the track of the air changes through the action of the spiral groove 5 when entering the conveying pipeline 2, the air is blown to the direction of the collector 3 in a spiral shape, the coal ash inside the conveying pipeline 2 is cleaned, the air supply mechanism is designed, the air supply device at one end of the air supply pipe 4 is only required to be started, the cleaning work of the coal ash inside the conveying pipeline 2 can be completed, the coal ash inside the conveying pipeline 2 of the existing coal mill screening device still can exist, and the coal ash is not easy to be cleaned.
The embodiment also comprises a dismounting mechanism, wherein the dismounting mechanism comprises two elastic sheets 10, the number of the elastic sheets 10 is two, the two elastic sheets 10 are respectively positioned at two sides of the bottom end of the end cover 8, the elastic sheets 10 are positioned at the inner wall of the collector 3, a fixing groove 9 is formed in the bottom end of one side of each elastic sheet 10, a lug 11 is arranged at the bottom end of one side of each elastic sheet 10, and a limiting groove 12 is formed in the inner wall of each lug 11; when dismantling end cover 8, at first upwards pulling end cover 8, end cover 8 drives stretch-panel 10 and moves along fixed slot 9 inboard, lug 11 gradually leaves spacing groove 12 inboard this moment, when stretch-panel 10 leaves fixed slot 9 inboard completely, accomplish the operation of dismantling end cover 8, through having designed the disassembly body, make personnel when need dismantle or install collector 3 and sealing washer 7, more quick, collector 3 and end cover 8 of current coal pulverizer sieving mechanism pass through the screw connection, when need dismantle the installation, the time that consumes is longer, through having designed this mechanism, the effectual efficiency of having improved the installation and dismantling.
One end of the air supply pipe 4 is connected with an air supply device, and the air supply pipe 4 is communicated with the inside of the conveying pipeline 2; so that the coal ash in the conveying pipeline 2 can be blown away, and the cleaning of the interior of the conveying pipeline 2 is ensured.
The thread rotation direction of the helical groove 5 of the present embodiment is toward the collector 3; when entering the conveying pipeline 2, the wind can form a spiral shape, so that the coal ash in the conveying pipeline 2 can be cleaned more thoroughly.
The top end of the elastic sheet 10 is fixedly connected with the bottom end surface of the end cover 8, and the section of the elastic sheet 10 is square; after the protruding blocks 11 are clamped on the inner sides of the limiting grooves 12, the collector 3 and the end cover 8 can be effectively connected together.
In the embodiment, one side surface of the bump 11 is arc-shaped, and the bump 11 is fixedly connected with the elastic sheet 10; so that the lug 11 can automatically leave the inner side of the limit groove 12 when a person pulls the end cover 8.
According to the coal ash cleaning device, the air supply mechanism is designed, the cleaning work of the coal ash in the conveying pipeline can be completed only by opening the air supply device at one end of the air supply pipe, some coal ash in the conveying pipeline of the existing coal mill screening device still exists, the coal ash is not easy to clean, the coal ash in the conveying pipeline can be cleaned through the mechanism, meanwhile, the cleaning is more thorough, and the structure is simple and practical. Through having designed disassembly body for personnel need dismantle or install collector and sealing washer, more quick, current coal pulverizer sieving mechanism's collector passes through the screw connection with the end cover, when needs demountable installation, and the time that consumes is longer, through having designed this mechanism, the effectual efficiency of having improved the installation and dismantling.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that modifications and variations may be made without departing from the principles of the utility model, and such modifications and variations are to be regarded as being within the scope of the utility model.
Claims (7)
1. The utility model provides a coal pulverizer sieving mechanism, includes device main part, pipeline, collector and end cover, its characterized in that, pipeline one end is provided with air supply mechanism, air supply mechanism includes:
The air supply pipe is positioned outside one end of the conveying pipeline and is used as an air supply channel;
The spiral groove is formed in the inner side surface of the conveying pipeline and has the effect of changing the wind track.
2. The coal pulverizer screening device of claim 1, wherein a through groove is formed in a surface of one side of the top end of the conveying pipeline, and a sealing ring is arranged inside the through groove.
3. The coal pulverizer screening device of claim 1, further comprising a detaching mechanism, wherein the detaching mechanism comprises elastic pieces, the number of the elastic pieces is two, the two elastic pieces are respectively positioned at two sides of the bottom end of the end cover, the elastic pieces are positioned at the inner wall of the collector and provided with fixing grooves, the bottom end of one side of each elastic piece is provided with a protruding block, and the protruding block is positioned at the inner wall of the collector and provided with limiting grooves.
4. The coal pulverizer screening device of claim 1, wherein one end of the air supply pipe is connected with an air supply device, and the air supply pipe is communicated with the interior of the conveying pipeline.
5. The coal pulverizer screening device of claim 1, wherein the helical groove has a thread that rotates in a direction toward the collector.
6. The coal pulverizer screening device of claim 3, wherein the top end of the elastic sheet is fixedly connected with the bottom end surface of the end cover, and the section of the elastic sheet is square.
7. The coal pulverizer screening device of claim 3, wherein the lug is curved in one side surface and the lug is fixedly connected to the resilient tab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321100473.XU CN221209205U (en) | 2023-05-09 | 2023-05-09 | Coal pulverizer sieving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321100473.XU CN221209205U (en) | 2023-05-09 | 2023-05-09 | Coal pulverizer sieving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221209205U true CN221209205U (en) | 2024-06-25 |
Family
ID=91579743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321100473.XU Active CN221209205U (en) | 2023-05-09 | 2023-05-09 | Coal pulverizer sieving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221209205U (en) |
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2023
- 2023-05-09 CN CN202321100473.XU patent/CN221209205U/en active Active
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