CN210994683U - Coal-fired reducing mechanism of thermal power plant - Google Patents
Coal-fired reducing mechanism of thermal power plant Download PDFInfo
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- CN210994683U CN210994683U CN201921568471.7U CN201921568471U CN210994683U CN 210994683 U CN210994683 U CN 210994683U CN 201921568471 U CN201921568471 U CN 201921568471U CN 210994683 U CN210994683 U CN 210994683U
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Abstract
The utility model discloses a fire coal crushing device of a thermal power plant, which comprises a crushing device, a grinding device, a crushing wheel arranged in the crushing device and a grinding wheel arranged in the grinding device; an inlet is arranged above the crushing device, four corners of the crushing device are fixedly connected with fixing rods, the bottom ends of the fixing rods are fixedly connected with a base, a crushing wheel is arranged in the crushing device, and a crushed coal outlet is arranged below the crushing device; grinder top fixed connection crushed coal export and right side below are equipped with the fine coal export, and the inside grinding miller that is equipped with of grinder, grinder one side fixed connection grinding motor, grinder below fixed connection fixed wall, fixed wall fixed connection base. This practicality smashes the coal cinder earlier through reducing mechanism, then further grinds the slack coal to likepowder through grinder for the fire coal can burn fully.
Description
Technical Field
The utility model relates to a thermal power generation technical field especially relates to a coal-fired reducing mechanism of thermal power plant.
Background
Coal is the most main solid fuel, is a kind of flammable organic rock, it is by the numerous and luxurious plants growing in certain geological age, in the suitable geological environment, pile up into the thick layer gradually, and bury in the bottom or silt, through depositing in the long age, a mineral substance formed, called coal, with the development of the processing technique of the modern coal, will use some mechanical equipment to process the coal-fired, the coal breaker is mainly suitable for coal-fired power plant, because the coal for boiler is usually raw coal not graded, the raw coal granularity is mostly not in accordance with the coal requirement for boiler, need carry on the breakage, therefore must set up the coal pulverizer in the coal conveying system of the coal-fired power plant, the coal breaker breaks the coal into certain granularity, in order to meet the requirement for boiler combustion, if use the raw coal to burn directly can lead to not fully burn, waste a large amount of energy, cause the piling up of the waste material, produce the pollution to the environment, the production cost is increased, the existing coal crusher has the defects of poor coal crushing precision and insufficient combustion of fire coal, and the crushed coal of the coal crusher is easy to block at an outlet to cause the internal blockage of the coal crusher.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a coal-fired reducing mechanism of thermal power plant for the coal-fired carries out crushing grinding before getting into the boiler burning, makes the coal-fired abundant burning.
The utility model solves the technical problems through the following technical means:
a fire coal crushing device of a thermal power plant comprises a crushing device, a grinding device, a crushing wheel arranged in the crushing device and a grinding wheel arranged in the grinding device; an inlet is formed above the crushing device, four corners of the crushing device are fixedly connected with fixing rods, the bottom ends of the fixing rods are fixedly connected with a base, a crushing wheel is arranged in the crushing device, and a crushed coal outlet is formed below the crushing device; the grinding device is characterized in that a pulverized coal outlet is formed in the upper portion of the grinding device and fixedly connected with a pulverized coal outlet, a grinding wheel is arranged in the grinding device, a grinding motor is fixedly connected to one side of the grinding device, a fixing wall is fixedly connected to the lower portion of the grinding device, and the fixing wall is fixedly connected with a base.
Furthermore, the left crushing wheel and the right crushing wheel are rotationally connected in the crushing device, the left crushing wheel is driven by a left motor, and the right crushing wheel is driven by a right motor.
Furthermore, left side crushing wheel and right crushing wheel are located same horizontal plane and fixed surface connects crushing ring gear, crushing ring gear is equipped with the recess and smashes the distance of the width of a crushing ring gear of interval between the ring gear, the mutual gomphosis of crushing ring gear of left side crushing wheel and right crushing wheel.
Furthermore, the grinding wheel is rotationally connected in the grinding device, the surface of the grinding wheel is fixedly connected with a grinding toothed ring, a plurality of grinding toothed rings uniformly surround the grinding wheel, and the grinding toothed ring is attached to the side wall of the grinding device shell.
Furthermore, the side wall of the grinding toothed ring is provided with grinding tooth grooves which are inclined and uniformly arranged on the grinding toothed ring.
Furthermore, two sides of the grinding device shell are fixedly connected with grinding walls, and the grinding walls are fan-shaped and are attached to the grinding tooth ring.
Furthermore, grinding wall grooves are formed in two side walls of the grinding wall, and the grinding wall grooves are uniformly arranged on the grinding wall.
This practical beneficial effect: the utility model discloses a reducing mechanism smashes the coal cinder, the coal cinder falls into between left crushing wheel and the right crushing wheel after getting into from the entry, left side crushing wheel and right crushing wheel pass through left motor and right motor independent drive, make left side crushing wheel clockwise rotation and right crushing wheel anticlockwise rotation, it falls into the crushed coal piece from the crushed coal export grinding device to press from both sides the coal cinder through the crushing gear who is equipped with the recess, grinding device further grinds the crushed coal through the laminating rotation between the grinding tooth ring on the grinding wheel and the grinding wall, the grinding tooth's socket that sets up on the grinding wall groove that sets up and the grinding tooth ring can grind the crushed coal into tiny powdered, make the coal-fired boiler burning that gets into more abundant, can prevent device jam through the slope export of wide crushed coal export and grinding device below.
Drawings
Fig. 1 is a schematic view of the overall structure of a coal pulverizer for a thermal power plant according to the present invention;
FIG. 2 is a schematic view of a coal pulverizer of a thermal power plant according to the present invention;
FIG. 3 is a schematic view of a grinding apparatus of a coal pulverizer for a thermal power plant according to the present invention;
FIG. 4 is a schematic view of a grinding wall structure of a coal pulverizer of a thermal power plant according to the present invention;
fig. 5 is a schematic structural view of a grinding wheel of a coal pulverizing device of a thermal power plant according to the present invention.
The grinding device comprises an inlet 1, a grinding device 2, a left grinding wheel 201, a right grinding wheel 202, a grinding toothed ring 203, a left motor 3, a right motor 4, a crushed coal outlet 5, a grinding device 6, a grinding wheel 601, a grinding toothed ring 602, a pulverized coal outlet 603, a grinding device shell 604, a grinding wall 605, a grinding wall groove 606, a grinding tooth groove 607, a grinding motor 7, a fixed wall 8, a fixed rod 9 and a base 10.
Detailed Description
The present invention will be described in detail below with reference to the following drawings and specific embodiments:
as shown in fig. 1 to 5, the coal pulverizer for thermal power plants of the present invention includes a pulverizer 2, a grinding device 6, a pulverizing wheel disposed in the pulverizer 2, and a grinding wheel 601 disposed in the grinding device 6; an inlet 1 is arranged above the crushing device 2, four corners of the crushing device 2 are fixedly connected with fixing rods 9, the bottom ends of the fixing rods 9 are fixedly connected with a base 10, a crushing wheel is arranged in the crushing device 2, and a crushed coal outlet 5 is arranged below the crushing device; the pulverized coal outlet 603 is arranged below the crushed coal outlet 5 fixedly connected to the upper part of the grinding device 6, the grinding wheel 601 is arranged inside the grinding device 6, the grinding motor 7 is fixedly connected to one side of the grinding device 6, the fixed wall 8 is fixedly connected to the lower part of the grinding device 6, and the base 10 is fixedly connected to the fixed wall 8.
Wherein: left crushing wheel 201 and right crushing wheel 202 are connected to the internal rotation of reducing mechanism 2, and left crushing wheel 201 is through the drive of left motor 3, and right crushing wheel 202 is through the drive of right motor 4, makes the power bigger through independent drive, prevents to smash the wheel and blocks.
Wherein: the left crushing wheel 201 and the right crushing wheel 202 are located on the same horizontal plane and are fixedly connected with the crushing toothed ring 203 in a surface mode, the crushing toothed ring 203 is provided with a groove, the distance between the crushing toothed rings 203 is equal to the width of one crushing toothed ring 203, and the crushing toothed rings 203 of the left crushing wheel 201 and the right crushing wheel 202 are mutually embedded, so that coal blocks can be fully crushed.
Wherein: the grinding wheel 601 is rotationally connected in the grinding device 6, the grinding ring gear 602 is fixedly connected to the surface of the grinding wheel 601, a plurality of grinding ring gears 602 are uniformly wound on the grinding wheel 601, and the grinding ring gear 602 is attached to the side wall of the grinding device shell 604, so that the crushed coal is sufficiently ground and is prevented from being missed.
Wherein: the grinding tooth ring 602 side wall is equipped with grinding tooth grooves 607, and grinding tooth grooves 607 are the slope form and evenly arrange on grinding tooth ring 602 for grinding tooth grooves 607 and grinding wall groove 606 break up and combine, make the coal cinder grind to powdered form more fully efficient.
Wherein: the grinding wall 605 is fixedly connected to two sides of the grinding device housing 604, the grinding wall 605 is fan-shaped and attached to the grinding tooth ring 602, so that the crushed coal is ground into powder through the grinding wall 605 and the grinding tooth ring 602 and falls into the bottom of the grinding device 6, and the pulverized coal is ensured to come out from the pulverized coal outlet 603.
Wherein: the grinding wall 605 is provided with grinding wall grooves 606 on two side walls, and the grinding wall grooves 606 are uniformly arranged on the grinding wall 605, so that the grinding tooth grooves 607 and the grinding wall grooves 606 are combined in a breaking manner, and the coal blocks are ground into powder more fully and efficiently.
The utility model firstly crushes the coal briquette through the crushing device 2, the coal briquette falls between the left crushing wheel 201 and the right crushing wheel 202 after entering from the inlet 1, the left crushing wheel 201 and the right crushing wheel 202 are independently driven by the left motor 3 and the right motor 4, so that the left crushing wheel 201 rotates clockwise and the right crushing wheel 202 rotates anticlockwise, then the crushed coal is crushed into crushed coal blocks by the crushing toothed ring 203 provided with the groove and falls into the grinding device 6 from the crushed coal outlet 5, the grinding device 6 further grinds the crushed coal by the joint rotation between the grinding toothed ring 602 and the grinding wall 605 on the grinding wheel 601, finally the crushed coal can be ground into fine powder by the grinding wall groove 606 arranged on the grinding wall 605 and the grinding tooth groove 607 arranged on the grinding toothed ring 602, so that the coal can be more fully combusted in the boiler, clogging of the apparatus can be prevented by the wide crushed coal outlet 5 and the inclined pulverized coal outlet 603 under the grinding apparatus 6.
Although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present invention as defined in the claims. The techniques, shapes, and configurations not described in detail in this application are all known techniques.
Claims (7)
1. The utility model provides a coal-fired reducing mechanism of thermal power plant which characterized in that: comprises a crushing device (2), a grinding device (6), a crushing wheel arranged in the crushing device (2) and a grinding wheel (601) arranged in the grinding device (6);
an inlet (1) is arranged above the crushing device (2), four corners of the crushing device (2) are fixedly connected with fixing rods (9), the bottom ends of the fixing rods (9) are fixedly connected with a base (10), crushing wheels are arranged in the crushing device (2), and a crushed coal outlet (5) is arranged below the crushing device;
grinder (6) top fixed connection crushed coal export (5) below is equipped with fine coal export (603), grinder (6) inside is equipped with grinding miller (601), grinder (6) one side fixed connection grinding motor (7), grinder (6) below fixed connection fixed wall (8), fixed wall (8) fixed connection base (10).
2. The coal-fired reducing apparatus of a thermal power plant according to claim 1, characterized in that: the left crushing wheel (201) and the right crushing wheel (202) are connected in the crushing device (2) in a rotating mode, the left crushing wheel (201) is driven through a left motor (3), and the right crushing wheel (202) is driven through a right motor (4).
3. The coal-fired reducing apparatus of a thermal power plant according to claim 2, characterized in that: the left crushing wheel (201) and the right crushing wheel (202) are located on the same horizontal plane and are fixedly connected with a crushing toothed ring (203) on the surface, the crushing toothed ring (203) is provided with a groove, the distance between the crushing toothed rings (203) is equal to the width of one crushing toothed ring (203), and the crushing toothed rings (203) of the left crushing wheel (201) and the right crushing wheel (202) are mutually embedded.
4. A coal-fired pulverizing apparatus for a thermal power plant according to claim 3, characterized in that: the grinding device (6) is rotationally connected with a grinding wheel (601), the surface of the grinding wheel (601) is fixedly connected with a grinding tooth ring (602), the grinding tooth ring (602) is uniformly wound on the grinding wheel (601), and the grinding tooth ring (602) is attached to the side wall of the grinding device shell (604).
5. The coal-fired reducing mechanism of a thermal power plant according to claim 4, characterized in that: the side wall of the grinding tooth ring (602) is provided with grinding tooth grooves (607), and the grinding tooth grooves (607) are inclined and uniformly arranged on the grinding tooth ring (602).
6. The coal-fired reducing mechanism of a thermal power plant according to claim 5, characterized in that: two sides of the grinding device shell (604) are fixedly connected with grinding walls (605), and the grinding walls (605) are fan-shaped and are attached to the grinding gear ring (602).
7. The coal-fired reducing mechanism of a thermal power plant according to claim 6, characterized in that: two side walls of the grinding wall (605) are provided with grinding wall grooves (606), and the grinding wall grooves (606) are uniformly arranged on the grinding wall (605).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568471.7U CN210994683U (en) | 2019-09-19 | 2019-09-19 | Coal-fired reducing mechanism of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568471.7U CN210994683U (en) | 2019-09-19 | 2019-09-19 | Coal-fired reducing mechanism of thermal power plant |
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| Publication Number | Publication Date |
|---|---|
| CN210994683U true CN210994683U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921568471.7U Active CN210994683U (en) | 2019-09-19 | 2019-09-19 | Coal-fired reducing mechanism of thermal power plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049200A (en) * | 2020-08-25 | 2020-12-08 | 杭州震弘环境科技有限公司 | Household garbage treatment system |
| CN113117812A (en) * | 2021-04-14 | 2021-07-16 | 偶极医药科技(徐州)有限公司 | Medicine grinder |
-
2019
- 2019-09-19 CN CN201921568471.7U patent/CN210994683U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049200A (en) * | 2020-08-25 | 2020-12-08 | 杭州震弘环境科技有限公司 | Household garbage treatment system |
| CN112049200B (en) * | 2020-08-25 | 2021-10-08 | 杭州震弘环境科技有限公司 | Household garbage treatment system |
| CN113117812A (en) * | 2021-04-14 | 2021-07-16 | 偶极医药科技(徐州)有限公司 | Medicine grinder |
| CN113117812B (en) * | 2021-04-14 | 2022-05-17 | 偶极医药科技(徐州)有限公司 | Medicine grinder |
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