CN210064024U - Shrimp curve anti-blocking coal bucket - Google Patents
Shrimp curve anti-blocking coal bucket Download PDFInfo
- Publication number
- CN210064024U CN210064024U CN201920917758.XU CN201920917758U CN210064024U CN 210064024 U CN210064024 U CN 210064024U CN 201920917758 U CN201920917758 U CN 201920917758U CN 210064024 U CN210064024 U CN 210064024U
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- Prior art keywords
- coal
- dredging
- rod
- shrimp
- scraping
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- 239000003245 coal Substances 0.000 title claims abstract description 110
- 241000143060 Americamysis bahia Species 0.000 title description 2
- 241000238557 Decapoda Species 0.000 claims abstract description 33
- 238000007790 scraping Methods 0.000 claims abstract description 29
- 210000000078 claw Anatomy 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 14
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model discloses a shrimp curve anti-blocking coal bucket, which solves the problem that the dredging effect of the existing device is not ideal, and is characterized in that a dredging device is arranged on the wall of the shrimp curve coal bucket between a spile door and a coal feeder, and the dredging device comprises a speed reduction motor, a dredging rod and a scraping rod; a motor shaft of the speed reducing motor extends into the hole, the end part of the motor shaft is connected with a dredging rod, and a plurality of scraping rods are arranged on the dredging rod; the speed reducing motor and the coal breaking signal acquisition device are connected with the electric cabinet. The utility model can reduce the resistance and friction of the falling displacement of the raw coal, prevent coal blockage, and the gear motor drives the scraping rod to rotate up and down to turn the material in the coal hopper up and down, thereby avoiding bonding and realizing smoothness of the material; the coal-cut signal acquisition device can automatically transmit a coal-cut signal to the electric cabinet, the electric cabinet controls the running of the speed reducing motor, the energy consumption is low, the automatic start is realized when the material is blocked, and the energy consumption is not caused when the material normally flows; effectively solves the phenomena of coal fluffing and coal blockage in the operation of the raw coal hopper.
Description
Technical Field
The utility model relates to a pull throughs among the material transportation process, more exactly relate to a material that makes the hopper carries unobstructed device.
Background
The raw coal hopper is an important component of a coal conveying system of a boiler of a coal-fired power plant, generally adopts a steel structure or a steel-concrete structure and the like, the upper part of the raw coal hopper is square or cylindrical, the lower part of the raw coal hopper is conical or pyramid-shaped, the upper opening is large, the lower opening is small, and raw coal particles flow from top to bottom by the dead weight. Because the section is gradually contracted, the more downward the raw coal particles flow, the larger the extrusion force is, and when the raw coal is wet or mixed with coal slurry, the coal powder is easy to stick to the wall, form an arch and block, and cause coal breakage, thereby seriously influencing the stable operation of the boiler, especially in plum rain seasons. At present, in order to solve the problem of coal blockage of a raw coal bunker, manual knocking dredging, an air cannon, a high-frequency vibrator and the like are generally adopted in the domestic and foreign electric power industry, the phenomenon of coal blockage can be relieved to a certain extent, but the dredging effect is not ideal, and the dredging effect is especially ineffective for wet coal, coal with large viscosity and the like, so that great inconvenience is brought to production.
Disclosure of Invention
The utility model aims to overcome the not enough of prior art and provide a simple structure, dredge efficient shrimp curve and prevent stifled coal scuttle.
The utility model removes the lower segment of the raw coal bunker 5-8 m above the coal feeder and changes the coal bunker into a shrimp curve coal bunker, the lower part of the shrimp curve coal bunker is connected with a spile door, an inserted sealing expansion joint is arranged between the spile door and the coal feeder, and the coal dropping pipe segment of the raw coal bunker is directly inserted into the coal feeder; 2-8 bin wall vibrating air hammers are additionally arranged outside the shrimp curve coal hopper, and a manhole door and an observation hole are arranged on the wall of the shrimp curve coal hopper; the wall of the bin is rapped and the air hammer is connected with an automatic filtering and draining device, and a coal breaking signal acquisition device is arranged in the coal feeder; the method is characterized in that: a dredging device is arranged on an opening on the wall of the shrimp curve coal hopper between the spile door and the coal feeder, and comprises a speed reducing motor, a dredging rod and a scraping rod; a motor shaft of the speed reducing motor extends into the hole, the end part of the motor shaft is connected with a dredging rod, and a plurality of scraping rods are arranged on the dredging rod; the speed reducing motor and the coal breaking signal acquisition device are connected with the electric cabinet.
The dredging devices are arranged symmetrically on the curved shrimp coal scuttle.
The scraping rod is a triangular rod or a straight rod with an inclined surface at the end part.
The scraping rod is a right-angled triangle-shaped scraping claw which is made of a steel plate or an iron plate, and the bevel edge of the scraping claw is processed into a blade shape.
According to the technical scheme, the utility model discloses during the application, demolish raw coal bunker hypomere to 5-8 meters above the feeder, change this device into. The set shrimp curve coal hopper can reduce the resistance and the friction force of the falling displacement of the raw coal and prevent coal blockage; the arranged spile door is not easy to block coal, can cut off coal flow and is convenient to overhaul; the arranged coal feeder inserted sealing expansion joint can relieve the expansion caused by heat and contraction caused by climate change of the raw coal hopper, and cannot store coal; the rotation of the speed reducing motor drives the scraping rod connected with the shaft end of the motor to rotate up and down, so that materials in the coal hopper are turned up and down, the adhesion is avoided, and the smoothness of the materials is realized; the coal breakage signal acquisition device can automatically transmit a coal breakage signal to the electric cabinet when detecting coal breakage, the electric cabinet controls the running of the speed reducing motor, the energy consumption is low, the automatic start is realized when the material is blocked, and the energy consumption is not consumed when the material normally flows; the coal hopper effectively solves the phenomena of coal fluffing and coal blocking in the operation of the raw coal hopper, is mainly used for solving a series of problems of raw coal bin blockage, unsmooth coal feeding and the like caused by the large amount of coal slime mixed combustion in a thermal power plant for energy conservation and consumption reduction, and is also suitable for material conveying bins in other industries.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an installation schematic diagram of the dredging device of the utility model.
Fig. 3 is a schematic structural diagram of another dredging device of the present invention.
In the figure, 1, a raw coal bin, 2, a dried small shrimp curve coal hopper, 3, a dredging device, 4, a manhole door, 5, a bin wall vibrating air hammer, 6, a plug board door, 7, an observation hole, 8, an inserted type sealing expansion joint, 9, a coal feeder, 10, a coal cut-off signal acquisition device, 11, an automatic filtering drainage device and 12, an electric cabinet;
21. the curved shrimp coal scuttle wall, 22. sealing means;
31. speed reducing motor, 32 motor shaft, 33 dredging rod and 34 scraping rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figure 1, the utility model is that the lower section of a raw coal bunker 1 is dismantled to 5-8 meters above a coal feeder and is changed into a shrimp curve coal hopper 2. The curved shrimp coal bunker 2 is formed by combining 4-12 sections of circular truncated cones, the height of each section is 400-1000mm, the diameter of the upper circular truncated cone is larger than that of the lower circular truncated cone, and the inner wall and the appearance are in an approximate arc shape. Firstly, the preparation of being convenient for, every pitch circle platform need not have hyperbolic shape, and easy processing labour saving and time saving does not need dedicated equipment of bending, reduces intensity of labour. And secondly, the step of each round platform is a pressure reduction point to form a plurality of pressure dispersion points, so that the movement of the material is facilitated, and the material is not easy to be pressed.
The lower part of the shrimp curve coal hopper 2 is connected with a spile door 6, an inserted sealing expansion joint 8 is arranged between the spile door 6 and a coal feeder 9, and a coal dropping pipe section of the raw coal bin 1 is directly inserted into the coal feeder 9; 2-8 bin wall vibrating air hammers 5 are additionally arranged outside the shrimp curve coal hopper 2, and a manhole door 4 and an observation hole 7 are arranged on the wall 21 of the shrimp curve coal hopper; the bin wall rapping air hammer 5 is connected with an automatic filtering and draining device 11, and a coal-cut signal acquisition device 10 is arranged in a coal feeder 9.
A dredging device 3 is arranged on the wall 21 of the shrimp curve coal hopper between the spile door 6 and the coal feeder 9.
Referring to fig. 2, the dredging device 3 comprises a speed reducing motor 31, a dredging rod 33 and a scraping rod 34; a motor shaft 32 of the speed reducing motor 31 extends into the hole, the end part of the motor shaft 32 is connected with a dredging rod 33, and a plurality of scraping rods 34 are arranged on the dredging rod 33; the speed reducing motor 31 and the coal breakage signal acquisition device 10 are connected with the electric cabinet 12.
A sealing device 22 is arranged between the motor shaft 32 and the wall 21 of the curved shrimp coal hopper.
The dredging devices 3 are arranged symmetrically on the curved shrimp coal scuttle 2.
The scraping rod 34 may be provided only at the end of the dredging rod 33, or a plurality of the dredging rods 33 may be provided at intervals.
The scraping rods 34 are triangular rods or straight rods with an inclined surface at the end part, which is more beneficial to scraping and turning over materials up and down, or as shown in fig. 3, the scraping rods 34 are right-angled triangular scraping claws made of steel plates or iron plates, the inclined edges of the scraping claws are processed into blade shapes, the scraping claws are divided into a plurality of groups, the groups are generally larger near the hopper wall, and the specific number of the scraping rods 31 is determined according to the volume of the shrimp curve coal hopper 2 between the spile door 6 and the coal feeder 9.
Claims (6)
1. A shrimp curve anti-blocking coal hopper is characterized in that the lower section of a raw coal bunker is dismantled to be 5-8 m above a coal feeder and is changed into a shrimp curve coal hopper, the lower part of the shrimp curve coal hopper is connected with a spile door, an inserted sealing expansion joint is arranged between the spile door and the coal feeder, and a coal dropping pipe section of the raw coal bunker is directly inserted into the coal feeder; 2-8 bin wall vibrating air hammers are additionally arranged outside the shrimp curve coal hopper, and a manhole door and an observation hole are arranged on the wall of the shrimp curve coal hopper; the wall of the bin is rapped and the air hammer is connected with an automatic filtering and draining device, and a coal breaking signal acquisition device is arranged in the coal feeder; the method is characterized in that: a dredging device (3) is arranged on a hole on the wall (21) of the curved shrimp coal hopper between the spile door (6) and the coal feeder (9), and the dredging device (3) comprises a speed reducing motor (31), a dredging rod (33) and a scraping rod (34); a motor shaft (32) of the speed reducing motor (31) extends into the hole, the end part of the motor shaft (32) is connected with a dredging rod (33), and a plurality of scraping rods (34) are arranged on the dredging rod (33); the speed reducing motor (31) and the coal breaking signal acquisition device (10) are connected with the electric cabinet (12).
2. The shrimp curve anti-blocking coal scuttle of claim 1, characterized in that: the dredging devices (3) are arranged in a plurality and are symmetrically arranged on the curved shrimp coal buckets (2).
3. The shrimp curve anti-blocking coal scuttle of claim 1, characterized in that: the scraping rod (34) is a triangular rod or a straight rod with an inclined surface at the end part.
4. The shrimp curve anti-blocking coal scuttle of claim 1, characterized in that: the scraping rod (34) is a right-angled triangle-shaped scraping claw which is made of a steel plate or an iron plate, and the bevel edge of the scraping claw is processed into a blade shape.
5. The shrimp curve anti-blocking coal scuttle of claim 1, characterized in that: a scraping rod (34) is arranged at the end part of the dredging rod (33).
6. The shrimp curve anti-blocking coal scuttle of claim 1, characterized in that: a plurality of scraping rods (34) are arranged on the dredging rod (33) at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920917758.XU CN210064024U (en) | 2019-06-18 | 2019-06-18 | Shrimp curve anti-blocking coal bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920917758.XU CN210064024U (en) | 2019-06-18 | 2019-06-18 | Shrimp curve anti-blocking coal bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210064024U true CN210064024U (en) | 2020-02-14 |
Family
ID=69427929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920917758.XU Active CN210064024U (en) | 2019-06-18 | 2019-06-18 | Shrimp curve anti-blocking coal bucket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210064024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116874A (en) * | 2019-06-18 | 2019-08-13 | 安徽康迪纳电力科技有限责任公司 | A kind of anti-blocking block clearing coal scuttle of dried shrimp curve |
-
2019
- 2019-06-18 CN CN201920917758.XU patent/CN210064024U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116874A (en) * | 2019-06-18 | 2019-08-13 | 安徽康迪纳电力科技有限责任公司 | A kind of anti-blocking block clearing coal scuttle of dried shrimp curve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Xiami curve anti clogging coal hopper Granted publication date: 20200214 Pledgee: Huishang Bank Co.,Ltd. Huaibei Yinhui sub branch Pledgor: ANHUI KANGDINA ELECTRIC POWER TECHNOLOGY Co.,Ltd. Registration number: Y2024980000375 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |