CN206746704U - A kind of coal pulverizer - Google Patents
A kind of coal pulverizer Download PDFInfo
- Publication number
- CN206746704U CN206746704U CN201720293336.0U CN201720293336U CN206746704U CN 206746704 U CN206746704 U CN 206746704U CN 201720293336 U CN201720293336 U CN 201720293336U CN 206746704 U CN206746704 U CN 206746704U
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- China
- Prior art keywords
- coal
- grinding roller
- electromagnet
- pressure sensor
- base
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Abstract
It the utility model is related to a kind of coal pulverizer, including, base, body frame on base, there is air compartment in body frame, it is connected with base rotation and is located at the mill bowl in air compartment, and the coal-grinding roller being in rolling contact with mill bowl, the surface of the mill bowl is provided with coal feed point, the coal-grinding roller is by support seat hinge in the side wall of body frame, the coal-grinding roller is provided with deironing apparatus, the deironing apparatus includes, it is arranged on coal-grinding roller close to the electromagnet of coal feed point side, the pressure sensor being arranged between coal-grinding roller and electromagnet, and the catapult-launching gear that one end is connected with electromagnet, the catapult-launching gear can DM it is quickly mobile so that the iron block adsorbed on electromagnet to be launched away.The utility model can effectively remove the iron block in coal pulverizer, avoid iron block from being contacted with coal-grinding roller, effectively increase the service life of coal pulverizer, reduce the use cost of coal pulverizer.
Description
Technical field
Coal dressing equipment is the utility model is related to, especially a kind of coal pulverizer.
Background technology
In heat energy enterprise, burnt after typically coal cinder is milled, to improve the efficiency of combustion of coal, existing technology exists
Cleaning is when being mixed in the iron block in coal, and typically coal is from during the communicated band in upstream is transported to coal pulverizer, by installing
Tramp iron separator on a moving belt is handled the iron block adulterated in coal, then the artificial operation for needing to check tramp iron separator in real time
Situation, the iron block cleared up on tramp iron separator；When iron block is mixed in communicated band transmission on coal, iron block can not be completely by iron removaling
Device is removed.Because the coal amount on conveyer belt is bigger, if iron block is buried in coal, tramp iron separator is difficult that these iron blocks are clear
Remove, cause also many iron blocks to enter in coal pulverizer, coal pulverizer is caused to damage, existing technology can not avoid iron block and
The direct friction of coal-grinding roller, because coal-grinding roller is more sensitive to iron block, it is easy to produce vibration, very big wound is caused to coal-grinding roller
Evil, the service life of coal-grinding roller certainly will be influenceed, increase the use cost of coal-grinding roller；When coal-grinding roller and iron block rub, coal-grinding roller
Gap between mill bowl can become big, and crushing the ability of coal can reduce, and cause the amount containing coal in coal pulverizer to increase, coal pulverizer goes out
Power is reduced；And due to high temperature caused by friction, it is easy to increase pulverized coal preparation system and the potential danger caught fire occur, produce very big
Potential safety hazard.On the other hand, existing technology also add the labor intensity of staff, staff when removing iron block
Need constantly concern coal pulverizer running status, and will be regular to coal pulverizer carry out maintenance shut-downs, this not only increases
The labor intensity of staff, also increase the use cost of coal pulverizer.
Given this utility model is proposed.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of coal-grinding that can automatically remove iron block
Machine.
In order to realize the purpose, the utility model adopts the following technical scheme that：
A kind of coal pulverizer, including, base, the body frame on base, body frame is interior to have air compartment, is connected with base rotation
And the mill bowl in air compartment, and the coal-grinding roller being in rolling contact with mill bowl, the surface of the mill bowl is provided with coal feed point, described
For coal-grinding roller by support seat hinge in the side wall of body frame, the coal-grinding roller is provided with deironing apparatus, and the deironing apparatus includes,
It is arranged on close to the electromagnet of coal feed point side on coal-grinding roller, the pressure sensor being arranged between coal-grinding roller and electromagnet, with
And the catapult-launching gear that one end is connected with electromagnet, the catapult-launching gear can DM it is quickly mobile will be adsorbed on electromagnet
Iron block launch away.
Further, the pressure sensor is annular, and center has a circular hole, and is fixed on the end of coal-grinding roller, institute
It is iron surface to state pressure sensor, and the electromagnet is located at side of the pressure sensor away from coal-grinding roller, and when being powered with
Pressure sensor is bonded.
Further, the coal-grinding roller is installed in rotation on support base, and one is provided with the inside of coal-grinding roller and support base
The through hole penetrated vertically；The catapult-launching gear includes, the spring in the through hole, and one end of the spring passes through pressure
The circular hole at force snesor center is connected with electromagnet, and the other end is connected with an electric pushrod, and the electric pushrod passes through a support
It is fixedly mounted on support base.
Further, the electric pushrod includes, and is stretched to along the through hole in coal-grinding roller, and with spring away from electromagnet
One end connection push rod, and the driver of driving push rod axial movement, the driver is fixedly mounted on branch by support
Support on seat.
Further, the bottom of the air compartment is provided with impurity discharging port, and is connected with debris delivery pipe, is additionally provided with the bottom of mill bowl
The scraper plate of one rotation, the scraper plate are configured to periodic inswept impurity discharging port.
After technical scheme described in the utility model, following beneficial effect is brought：
1st, the friction of iron block and coal-grinding roller is avoided, extends the service life of coal-grinding roller, has saved coal-grinding roller replacing
Cost.
2nd, the quality and efficiency of coal-grinding roller coal-grinding are improved, makes coal dust more fine, coal-grinding is more complete, so as to increase
Add the service efficiency of coal, reduce use cost.
3rd, when the present apparatus removes iron block, it is not necessary to which coal pulverizer is shut down, and is extended each usage time of coal pulverizer, is improved
Coal pulverizer conveys the ability of super sea coal.
4th, avoid because coal-grinding roller and iron block friction produce high temperature and cause the danger of mill fire, maintain system
It is stable.
5th, the working strength of staff is reduced, the running status for the concern coal pulverizer that staff need not be constantly, and
And do not need regular to coal pulverizer maintenance shut-downs, reduce the use cost of coal pulverizer.
Brief description of the drawings
Fig. 1：Structural representation of the present utility model；
Fig. 2：The structure chart of catapult-launching gear of the present utility model；
Wherein：1st, base 2, body frame 3, scraper plate 4, mill bowl 5, coal-grinding roller 6, spring 7, electric pushrod 8, push rod 9,
Driver 10, coal feed point 12, support base 13, pressure sensor 14, electromagnet 15, support 16, iron block 17, debris row
Put pipe 21, air compartment.
Embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of coal pulverizer, including, base 1, the body frame 2 on base 1, body frame 2 is interior to have a type
Chamber, the die cavity constitute air compartment 21, the mill bowl 4 for being rotatablely connected and being located in air compartment 21 with base 1, on mill bowl 4, and with
The coal-grinding roller 5 that mill bowl 4 is in rolling contact, the body frame 2 are provided with coal feed point 10, and coal feed point 10 is positioned at the surface of mill bowl 4.Body frame
2 are seated on base 1, and the base 1 is built-in with motor, and drive mill bowl 4 to rotate, and air blast dress is additionally provided with the bottom of air compartment 21
Blast pipe (not shown) is put or is circumscribed with, to form air stream from bottom to top, the coal-grinding roller 5 is cut with scissors by support base 12
It is connected in the side wall of body frame 2, specifically, the coal-grinding roller 5 is installed in rotation on support base 12, the bottom of support base 12 leads to
The side wall that rotating shaft is crossed with body frame 2 is connected.
Preferably, the coal-grinding roller 5 is a pair, and is centrosymmetric distribution with grinding the axle center of bowl 4, in other embodiment party
In formula, the quantity of coal-grinding roller 5 can also be three, and be distributed with grinding the axle center of bowl 4 in 120 degree of angles, when the mill bowl 4 rotates,
The synchronous axial system of coal-grinding roller 5, to roll coal cinder or coal dust between the two.
The coal-grinding roller 5 is provided with deironing apparatus, and the deironing apparatus includes, and is arranged on coal-grinding roller 5 close to coal feed point
The electromagnet 14 of 10 sides, the pressure sensor 13 being arranged between coal-grinding roller 5 and electromagnet 14, and one end and electromagnet 14
The catapult-launching gear of connection, the catapult-launching gear can the quick mobile bullets of iron block 16 will be adsorbed on electromagnet 14 of DM 14
It is shot out.
Specifically, when electromagnet 14 powers off, elastic potential energy will be converted into the kinetic-potential of electromagnet 14 by catapult-launching gear
Can, electromagnet 14 is quickly moved, and the stop motion when reaching setting position of electromagnet 14, and iron block 16 is in the work of inertia force
It under, may proceed to move, separated with electromagnet 14, the periphery of bowl 4 is extremely ground by ejection, fall into the bottom of air compartment 21.
Preferably, the pressure sensor 13 is annular, and center has a circular hole, and is fixed on the end of coal-grinding roller 5,
The pressure sensor 13 is iron surface, and the electromagnet 14 is located at side of the pressure sensor 13 away from coal-grinding roller 5, and
It is bonded during energization with pressure sensor 13.
A through hole penetrated vertically is provided with the inside of the coal-grinding roller 5 and support base 12, the catapult-launching gear includes,
Spring 6 in the through hole of coal-grinding roller 5, one end of the spring 6 pass through the center hole and electromagnetism of pressure sensor 13
Iron 14 is connected, and the other end is connected with an electric pushrod 7, and the electric pushrod 7 is fixedly mounted on support base 12 by a support 15
On.Electric pushrod 7 is used for the decrement for controlling spring 6, can compression spring when electric pushrod 7 moves to the direction of electromagnet 14
6, the pressure increase for making spring 6 act on electromagnet 14, when electromagnet 14 powers off, spring 6, which produces, promotes electromagnet 14 to transport
Dynamic active force.
The electric pushrod 7 includes, the driver 9 that push rod 8 and driving push rod 8 move axially, and the push rod 8 is along coal-grinding
Through hole on roller 5 and support base 12 is stretched in coal-grinding roller 5, and is connected with spring 6, and the driver 9 is installed by support 15
On support base 12.
The bottom of the air compartment 21 is provided with impurity discharging port, and is connected with debris delivery pipe 17, and one is additionally provided with the bottom of mill bowl 4
The scraper plate 3 of rotation, the scraper plate 3 and the motor connection in base 1, and it is configured to periodic inswept impurity discharging port.From electromagnet
The iron block 16 to get off is launched on 14 can fall into the bottom of air compartment 2, be then swept into impurity discharging port by scraper plate 3, discharged from through debris
Pipe 17 drains into the outside of air compartment 21.
The course of work of deironing apparatus of the present utility model is：Raw coal and iron block 16 enter inside coal pulverizer through coal feed point 10
When, during raw coal and iron block 16 fall, the electromagnet 14 positioned at the end of coal-grinding roller 5 is powered the iron block that will be mixed in raw coal
16 adsorb, and by the suction of iron block 16 tightly on surface, due to reaction force, electromagnet 14 can be 13 1 to pressure sensor
Squeezing action power, and electric signal is converted into by pressure sensor 13 and sends computer to, when electromagnet 14 adsorbs enough iron blocks
When, the active force that pressure sensor 13 is experienced is up to setting value, and then the support base 12 of computer control opposite side rotates,
The angle of coal-grinding roller 5 for adsorbing the opposite of electromagnet 14 that iron block exceedes setting value is heightened, then electromagnet 14 powers off, and loses magnetic
Power, while attraction is lost with iron block 16, pressure sensor 13, the DM 14 of spring 6 of compression moves, the iron that will be adsorbed
Block 16 is launched to the bottom of air compartment 21, and is scraped by scraper plate 3 into impurity discharging port, and the outside of air compartment 21 is emitted into through debris delivery pipe 17,
By staff's periodic cleaning.After iron block 16 is cleaned, the coal-grinding roller 5 being raised recalls to original height again, electronic
Push rod 7 pulls internal motion of the spring 6 to coal-grinding roller 5, and spring 6 can also haul the electromagnet 14 being attached thereto and be back to original position
Put, after electromagnet 14 returns to original position, electromagnet 14 is energized again, and is closely adsorbed in pressure sensor 13
On, now, the push rod 8 of electric pushrod 7 moves to the direction of electromagnet 14, and compression spring 6, puts aside elastic force, with electric next time
When magnet 14 powers off, DM 14 moves.
Described above is embodiment of the present utility model, it is noted that for the ordinary skill in the art,
Under the premise of the utility model principle is not departed from, various deformation and improvement can also be made, this should also be considered as the utility model
Protection domain.
Claims (3)
1. a kind of coal pulverizer, including, base, the body frame on base, body frame is interior to have air compartment, is connected simultaneously with base rotation
Mill bowl in air compartment, and the coal-grinding roller being in rolling contact with mill bowl, the surface of the mill bowl are provided with coal feed point, the mill
Coal roller is by support seat hinge in the side wall of body frame, it is characterised in that：The coal-grinding roller is provided with deironing apparatus, the iron removaling
Device includes, and is arranged on close to the electromagnet of coal feed point side on coal-grinding roller, the pressure being arranged between coal-grinding roller and electromagnet
Sensor, and the catapult-launching gear that one end is connected with electromagnet, the catapult-launching gear can DM it is quickly mobile with by electricity
The iron block adsorbed on magnet launches away；The pressure sensor is annular, and center has a circular hole, and is fixed on coal-grinding roller
End, the pressure sensor is iron surface, and the electromagnet is located at side of the pressure sensor away from coal-grinding roller, and
It is bonded during energization with pressure sensor；The coal-grinding roller is installed in rotation on support base, in coal-grinding roller and support base
Portion is provided with a through hole penetrated vertically；The catapult-launching gear includes, the spring in the through hole, and the one of the spring
The circular hole through pressure sensor center is held to be connected with electromagnet, the other end is connected with an electric pushrod, and the electric pushrod leads to
A support is crossed to be fixedly mounted on support base.
A kind of 2. coal pulverizer according to claim 1, it is characterised in that：The electric pushrod includes, along the through hole
Stretch in coal-grinding roller, and the push rod being connected with the one end of spring away from electromagnet, and the driving of driving push rod axial movement
Device, the driver are fixedly mounted on support base by support.
A kind of 3. coal pulverizer according to claim 1 or 2, it is characterised in that：The bottom of the air compartment is provided with impurity discharging port, and
Debris delivery pipe is connected with, the scraper plate of a rotation is additionally provided with the bottom of mill bowl, the scraper plate is configured to periodic inswept row
Miscellaneous mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720293336.0U CN206746704U (en) | 2017-03-23 | 2017-03-23 | A kind of coal pulverizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720293336.0U CN206746704U (en) | 2017-03-23 | 2017-03-23 | A kind of coal pulverizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206746704U true CN206746704U (en) | 2017-12-15 |
Family
ID=60611854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720293336.0U Expired - Fee Related CN206746704U (en) | 2017-03-23 | 2017-03-23 | A kind of coal pulverizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206746704U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108940466A (en) * | 2018-08-13 | 2018-12-07 | 南京凯盛国际工程有限公司 | Deironing apparatus in a kind of vertical mill |
| CN111570024A (en) * | 2020-05-26 | 2020-08-25 | 吕金坤 | Be applied to grinding compounding equipment in straw class fodder preparation |
-
2017
- 2017-03-23 CN CN201720293336.0U patent/CN206746704U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108940466A (en) * | 2018-08-13 | 2018-12-07 | 南京凯盛国际工程有限公司 | Deironing apparatus in a kind of vertical mill |
| CN108940466B (en) * | 2018-08-13 | 2024-05-31 | 中材国际智能科技有限公司 | Iron removing device in vertical mill |
| CN111570024A (en) * | 2020-05-26 | 2020-08-25 | 吕金坤 | Be applied to grinding compounding equipment in straw class fodder preparation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20190323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |