CN213493070U - Shunting type double-medium powder feeding device - Google Patents
Shunting type double-medium powder feeding device Download PDFInfo
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- CN213493070U CN213493070U CN202022136620.1U CN202022136620U CN213493070U CN 213493070 U CN213493070 U CN 213493070U CN 202022136620 U CN202022136620 U CN 202022136620U CN 213493070 U CN213493070 U CN 213493070U
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Abstract
The utility model discloses a shunting double-medium powder feeding device, which comprises a mixing box for receiving powder and mixing, a screening device for screening powder particles, and a vibrating device for providing vibration; the mixing box comprises a feeding port, an auxiliary material port and a mixing box body, wherein the feeding port and the auxiliary material port are arranged in parallel at the upper end part of the mixing box body, a mixing shaft is installed at the bottom of the mixing box body, one end of the mixing shaft is connected with the mixing box body through a bearing seat, a transmission gear is installed at the other end part of the mixing shaft and is connected with a driving wheel through a chain, the driving wheel is fixedly installed at the end part of an output shaft of a mixing motor, a discharge port is formed in the lower part of the front end of the mixing box body. The utility model has the advantages that: through the vibration screening device, the large-particle coal powder is recycled from the recycled material outlet for secondary grinding, the blocking condition is prevented from occurring, and qualified coal powder materials are sent into a coal powder mixer through a conveying device and are connected to enter the intermediate storage type coal-fired boiler.
Description
Technical Field
The utility model relates to a power plant's equipment buggy transport mechanism especially relates to a shunting double-medium powder feeding device.
Background
Coal is generally adopted as power generation fuel in a thermal power plant, in order to enable the coal to be fully combusted, coal blocks are ground into pulverized coal through a ball mill, and then the pulverized coal enters a coal-fired boiler through a coal conveying pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the not enough of current product, and provide a shunting two medium powder feeding device.
The utility model discloses a shunting type double-medium powder feeding device, which comprises a mixing box for receiving powder and mixing, a screening device for screening powder particles, and a vibrating device for providing vibration; the mixing box comprises a feeding port, an auxiliary material port and a mixing box body, the feeding port and the auxiliary material port are arranged at the upper end part of the mixing box body in parallel, a stirring shaft is arranged at the bottom of the mixing box body, one end of the stirring shaft is connected with the mixing box body through a bearing seat, a transmission gear is arranged at the other end part of the stirring shaft, the transmission gear is connected with a driving wheel through a chain, the driving wheel is fixedly arranged at the end part of an output shaft of a stirring motor, a discharging port is arranged at the lower part of the front end of the mixing;
the screening device comprises a screening box, the screening box is arranged at the lower end of the mixing box, a screen is arranged in the screening box, and a conveying device is arranged below the screen;
a vibrating device is arranged below the sieving box; the vibrating device comprises a vibrating motor for vibrating output, the vibrating motor is installed on an installation platform at the bottom of the frame, a transmission wheel is fixedly installed on an output shaft of the vibrating motor and connected with the transmission wheel on a transmission shaft through a transmission belt, the transmission shaft is installed on a transmission shaft bearing seat, the transmission shaft bearing seat is fixedly installed on the installation platform at the bottom of the frame, the transmission shaft is connected with one end of a vibrating rod, the other end of the vibrating rod is connected with a first vibrating beam, the first vibrating beam is connected with a second vibrating beam through a vibrating arm, the second vibrating beam is fixedly installed at the bottom of the sieving box, and the middle part of the vibrating arm is connected with a fixed beam through a; the fixed beam is fixedly arranged at the upper end of the frame.
Furthermore, the screen and the horizontal line form an included angle of 15-30 degrees and are fixedly arranged in the screen box.
Furthermore, the end part of the transmission shaft is fixedly provided with a rotating sleeve, the rotating sleeve is connected with a rotating convex shaft, the rotating convex shaft is fixedly arranged on the transmission cam, and the middle of the transmission cam is fixedly arranged on the transmission shaft.
Further, conveyor includes horizontal arrangement's driven roller and a drive roll axle, and a conveyer belt of installing at the roller both ends, and the both ends of driven roller are installed on the bearing frame, and bearing frame fixed mounting is in the bottom both sides of crossing the sieve case, and the drive roll axle is connected with drive roll axle output motor.
Further, conveyor is fixed mounting and crosses sieve incasement wall aggregate plate, and the aggregate plate is welded into by three smooth steel sheets in surface and is leaked hopper-shaped, and the funnel front end is the discharge gate.
The utility model has the advantages that: according to the process requirements, the added combustion-supporting powder input box and the added quick lime feed box enter the mixing box from the auxiliary feed opening, the pulverized coal materials are mixed and sent to the discharge opening of the mixing box at the front end, the large-particle pulverized coal is recovered from the recovered material outlet through the vibration screening device to be secondarily ground, the blockage situation is prevented, and the qualified pulverized coal materials are sent into the coal powder mixer through the conveying device to be connected into the middle storage type coal-fired boiler.
Drawings
Fig. 1 is a top view of the structure of the present invention.
Fig. 2 is a front view of the structure of the first preferred embodiment of the present invention.
Fig. 3 is a front view of the structure of the second preferred embodiment of the present invention.
Fig. 4 is a schematic connection diagram of the transmission shaft according to the present invention.
Fig. 5 is a schematic structural view of a conveying device according to a second preferred embodiment of the present invention.
In the figure: the material mixing device comprises a feeding port 1, an auxiliary material port 2, a conveying shaft 3, a material mixing box body 4, a bearing seat 5, a conveying motor 6, a driving wheel 7, a transmission gear 8, a chain 9, a rack 10, a vibrating motor 11, a vibrating arm 12, a sieving box 13, a vibrating rod 14, a transmission shaft 15, a transmission belt 16, a screen 17, a conveying device 18, a first vibrating beam 19, a second vibrating beam 20, a fixed beam 21, a transmission cam 22, a rotating sleeve 23, a rotating convex shaft 24 and a material collecting plate 25.
Detailed Description
The present invention will be further described with reference to the following examples.
The utility model discloses a shunting type double-medium powder feeding device, which comprises a mixing box for receiving powder and mixing, a screening device for screening powder particles, and a vibrating device for providing vibration; the mixing box comprises a feeding port 1, an auxiliary material port 2 and a mixing box body 4, wherein the feeding port 1 and the auxiliary material port 2 are arranged at the upper end part of the mixing box body 4 in parallel, the feeding port 1 is used for installing and connecting a pulverized coal conveying device after grinding, the auxiliary material port 2 is used for installing a combustion-supporting powder input box and a quicklime bin according to process requirements, a stirring shaft 3 is installed at the bottom of the mixing box body 4, one end of the stirring shaft 3 is connected with the mixing box body 4 through a bearing seat 5, a transmission gear 8 is installed at the other end part of the stirring shaft 3, the transmission gear 8 is connected with a driving wheel 7 through a chain 9, the driving wheel 7 is fixedly installed at the end part of an output shaft of a;
the outer wall of the stirring shaft 3 is provided with a rotary impeller, and the rotary impeller is used for stirring pulverized coal, combustion-supporting powder and raw lime to fully mix the pulverized coal, the combustion-supporting powder and the raw lime;
the screening device comprises a screening box 13, the screening box 13 is installed at the lower end of the mixing box, a screen 17 is installed inside the screening box 13, a conveying device 18 is installed under the screen 17, a reclaimed material outlet is formed in one end of the screen 17, large-particle coal powder is recycled from the reclaimed material outlet for secondary grinding, a discharge port is formed in the front end of the conveying device 18, and the discharge port is connected with a coal powder mixer and enters the middle storage type coal-fired boiler;
a vibrating device is arranged below the sieving box 13; the vibrating device comprises a vibrating motor 11 for vibrating output, the vibrating motor 11 is installed on an installation platform at the bottom of a rack 10, a transmission wheel is fixedly installed on an output shaft of the vibrating motor 11, the transmission wheel is connected with the transmission wheel on a transmission shaft 15 through a transmission belt 16, the transmission shaft 15 is installed on a transmission shaft bearing seat, the transmission shaft bearing seat is fixedly installed on the installation platform at the bottom of the rack 10, the transmission shaft 15 is connected with one end of a vibrating rod 14, the other end of the vibrating rod 14 is connected with a first vibrating beam 19, the first vibrating beam 19 is connected with a second vibrating beam 20 through a vibrating arm 12, the second vibrating beam 20 is fixedly installed at the bottom of a sieving box 13, and the middle part of the vibrating arm 12 is connected with a fixed; the fixed beam 21 is fixedly arranged at the upper end of the frame 10; under vibrating motor 11's drive, first vibrating beam 19 and second vibrating beam 20 level come and go the removal, and second vibrating beam 20 drives sifting box 13 level come and go the removal, and then makes the large granule buggy sieve out at screen cloth 17 fast, has effectively avoided the condition of buggy raise dust.
The screen and the horizontal line form an included angle of 15-30 degrees and are fixedly arranged in the screen box. The inclined plane installation screen cloth rolls down along the slope through the dead weight of buggy and is favorable to improving screening efficiency.
The end of the transmission shaft 15 is fixedly provided with a rotating sleeve 23, the rotating sleeve 23 is connected with a rotating convex shaft 24, the rotating convex shaft 24 is fixedly arranged on the transmission cam 22, and the middle of the transmission cam 22 is fixedly arranged on the transmission shaft 15.
As a first preferred embodiment, the conveying device 18 includes a driven roller shaft and a driving roller shaft which are horizontally arranged, and a conveying belt which is installed at both ends of the roller shafts, both ends of the driven roller shaft are installed on bearing seats which are fixedly installed at both sides of the bottom of the sieving box 13, the driving roller shaft is connected with a driving roller shaft output motor, and the driving roller shaft output motor is fixed outside the box body of the sieving box 13. The discharge amount of the pulverized coal material can be controlled by adjusting the rotating speed of the output motor of the driving roll shaft.
As a preferred embodiment II, the conveying device 18 is a material collecting plate 25 fixedly installed on the inner wall of the sieving box 13, the material collecting plate 25 is formed by welding three steel plates with smooth surfaces into a funnel shape, the front end of the funnel is a discharge hole, and the funnel is connected with a coal powder mixer and enters the middle storage type coal-fired boiler. The embodiment has low cost, the conveying device does not need to be maintained, and the management and the maintenance are convenient.
The utility model discloses a two medium powder feeding devices of shunting, during the use, the buggy material grinds the back through grinding the machine, carry pan feeding mouth 1 through buggy conveyor, get into the mixing box from pan feeding mouth 1 in, the combustion-supporting powder input box that needs to add according to the technological requirement, quick lime workbin gets into the mixing box from vice material mouth 2, agitator motor drives (mixing) shaft 3 rotatory, the last rotary impeller of (mixing) shaft 3 mixes the buggy material and delivers to the discharge gate of the mixing box of front end, the buggy material enters into on the screen cloth 17 of case 13 that sieves from the discharge gate of mixing box, through the vibration screening device, the large granule buggy is retrieved from retrieving the material export and is carried out the secondary grinding, qualified buggy material sends into the buggy blender through conveyor 18 and connects and get into middle storehouse formula coal fired boiler.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the content of the specification does, or directly or indirectly use in other related technical fields, all including in the same way the patent protection scope of the present invention.
Claims (5)
1. A shunting type double-medium powder feeding device is characterized by comprising a mixing box, a screening device and a vibrating device, wherein the mixing box is used for receiving powder and mixing and stirring the powder, the screening device is used for screening powder particles, and the vibrating device is used for providing vibration; the mixing box comprises a feeding port, an auxiliary material port and a mixing box body, the feeding port and the auxiliary material port are arranged at the upper end part of the mixing box body in parallel, a stirring shaft is arranged at the bottom of the mixing box body, one end of the stirring shaft is connected with the mixing box body through a bearing seat, a transmission gear is arranged at the other end part of the stirring shaft, the transmission gear is connected with a driving wheel through a chain, the driving wheel is fixedly arranged at the end part of an output shaft of a stirring motor, a discharging port is arranged at the lower part of the front end of the mixing;
the screening device comprises a screening box, the screening box is arranged at the lower end of the mixing box, a screen is arranged in the screening box, and a conveying device is arranged below the screen;
a vibrating device is arranged below the sieving box; the vibrating device comprises a vibrating motor for vibrating output, the vibrating motor is installed on an installation platform at the bottom of the frame, a transmission wheel is fixedly installed on an output shaft of the vibrating motor and connected with the transmission wheel on a transmission shaft through a transmission belt, the transmission shaft is installed on a transmission shaft bearing seat, the transmission shaft bearing seat is fixedly installed on the installation platform at the bottom of the frame, the transmission shaft is connected with one end of a vibrating rod, the other end of the vibrating rod is connected with a first vibrating beam, the first vibrating beam is connected with a second vibrating beam through a vibrating arm, the second vibrating beam is fixedly installed at the bottom of the sieving box, and the middle part of the vibrating arm is connected with a fixed beam through a; the fixed beam is fixedly arranged at the upper end of the frame.
2. A split-flow type double-medium powder feeding device as claimed in claim 1, wherein the screen mesh and the horizontal line form an included angle of 15-30 degrees and are fixedly arranged in the screen box.
3. A split-flow type double-medium powder feeding device as claimed in claim 1, wherein a rotating sleeve is fixedly mounted at the end of the transmission shaft, the rotating sleeve is connected with a rotating protruding shaft, the rotating protruding shaft is fixedly mounted on the transmission cam, and the middle of the transmission cam is fixedly mounted on the transmission shaft.
4. A split-flow type dual-medium powder feeding device according to claim 1, wherein the conveying device comprises a driven roller shaft and a driving roller shaft which are horizontally arranged, a conveying belt is arranged at two ends of the roller shafts, two ends of the driven roller shaft are arranged on bearing seats, the bearing seats are fixedly arranged at two sides of the bottom of the sieving box, and the driving roller shaft is connected with a driving roller shaft output motor.
5. The flow-dividing type double-medium powder conveying device as claimed in claim 1, wherein the conveying device is a material collecting plate fixedly mounted on the inner wall of the sieving box, the material collecting plate is formed by welding three steel plates with smooth surfaces into a funnel shape, and the front end of the funnel is a discharge hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022136620.1U CN213493070U (en) | 2020-09-25 | 2020-09-25 | Shunting type double-medium powder feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022136620.1U CN213493070U (en) | 2020-09-25 | 2020-09-25 | Shunting type double-medium powder feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213493070U true CN213493070U (en) | 2021-06-22 |
Family
ID=76450250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022136620.1U Active CN213493070U (en) | 2020-09-25 | 2020-09-25 | Shunting type double-medium powder feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213493070U (en) |
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2020
- 2020-09-25 CN CN202022136620.1U patent/CN213493070U/en active Active
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