CN210367524U - Wide-particle-size low-rank coal pyrolysis uniform distribution device - Google Patents
Wide-particle-size low-rank coal pyrolysis uniform distribution device Download PDFInfo
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- CN210367524U CN210367524U CN201921329443.XU CN201921329443U CN210367524U CN 210367524 U CN210367524 U CN 210367524U CN 201921329443 U CN201921329443 U CN 201921329443U CN 210367524 U CN210367524 U CN 210367524U
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Abstract
The utility model relates to a wide-grain-size low-order coal pyrolysis uniform distributing device, which belongs to the technical field of low-order mixed coal pyrolysis distribution, and particularly relates to a wide-grain-size low-order coal pyrolysis uniform distributing device, which comprises a storage bin, wherein a feed inlet is arranged at the top of the storage bin, and a dipleg for discharging is arranged at the bottom of the storage bin; the utility model relates to an even distributing device of wide particle diameter low order coal blending pyrolysis sets up first distributing device in that the feed bin is inside, and one of them has realized damming the coal blending in vertical direction, thereby makes it can not form the domatic roll of centrum.
Description
Technical Field
The utility model belongs to the technical field of the low order coal mixing pyrolysis cloth, concretely relates to even distributing device of wide particle diameter low order coal pyrolysis.
Background
The energy conditions of China are rich coal, poor oil and little gas, and particularly, the external dependence of petroleum exceeds 70 percent, so in order to ensure the strategic safety of energy, the technical level of clean conversion of coal must be improved, and the clean fuel is prepared by utilizing the coal to ensure the safety of energy. The current technology for preparing clean fuel by coal mainly comprises the following steps: compared with the coal direct liquefaction technology, the coal indirect liquefaction technology, the coal pyrolysis technology for improving the quality of coal tar and the like, the coal pyrolysis technology is low in intensity, low in investment cost and fast in benefit recovery.
At present, through the rapid development of coal pyrolysis technology for over twenty years, dozens of pyrolysis technologies are formed, but the technologies mainly stay in the stages of small test, middle test and trial, an internally heated vertical furnace which can run stably for a long period is mainly used, and lump coal is used as a raw material. However, with the application of the mechanized coal mining technology in China, a large amount of mixed coal is generated, and with the continuous development of the coal chemical industry in China, the coal pyrolysis technology gradually develops from lump coal to the mixed coal pyrolysis technology. In the face of wide-particle-size coal mixing, the currently-operated internal heating type vertical furnace needs to be upgraded and modified from a furnace type internal structure to adapt to coal mixing pyrolysis, wherein the biggest difficulty of the coal mixing pyrolysis is that local bed resistance is increased due to uneven distribution of the coal mixing in the filling process, gas distribution is uniform, and pyrolysis is finally influenced.
Cause above-mentioned leading reason to be the coal blending and take place segregation phenomenon at the filling in-process, the coal blending is if adopt conventional coal scuttle filling mode at the filling in-process, the coal blending can form the cone form in the coal scuttle, along with the further filling of coal blending, the large granule coal blending is because the action of gravity that receives is big, the domatic trapping force of centrum is not enough to support big granule coal to stop on the centrum is domatic simultaneously, lead to big granule coal can roll along the domatic of centrum, can form centrum central zone little granule coal more step by step like this, the centrum outside is mainly big granule coal, it is inhomogeneous to fill naturally after finally filling in the pyrolysis oven, cause the bed resistance uneven, the gas distribution is uneven, influence the pyrolysis, thereby influence the pyrolysis product, it is very important from this source to solve the.
The utility model has the following contents:
for solving the technical problem, the utility model discloses set up the inner member in coal-mixing distributing device, make the coal-mixing get into in the pyrolysis oven behind the realization equipartition in the coal bunker to reach the interior coal-mixing equipartition of stove, avoided coal-mixing segregation phenomenon, effectively improved coal-mixing pyrolysis effect.
The utility model relates to a wide-grain-size low-order coal pyrolysis uniform distribution device, which comprises a storage bin, wherein a feed inlet is formed in the top of the storage bin, a material leg for discharging is arranged at the bottom of the storage bin, a first distribution device and a second distribution device are arranged in the storage bin, the first distribution device is arranged into a plurality of layers along the vertical direction, the first distribution devices in the same layer are arranged into a plurality of layers, the first distribution devices between adjacent layers are arranged in a staggered manner, and the first distribution devices are all positioned at the upper part of the second distribution device;
the first material distributing device comprises a first material distributing plate, a second material distributing plate and a material distributing vertical plate, one side edge of the first material distributing plate is fixedly connected with one side edge of the second material distributing plate to form a material distributing head, the cross section of the material distributing head is of a herringbone structure, and the opening end of the material distributing head faces to the dipleg;
the material distributing vertical plate is fixedly connected with the material distributing head, and the first material distributing plate and the second material distributing plate are symmetrically arranged relative to the material distributing vertical plate;
first minute flitch and second divide flitch and divide the material riser to span the feed bin, and the both ends of first minute flitch and second divide flitch and divide the material riser all with two lateral walls that the feed bin corresponds the setting fixedly link to each other.
Preferably, the two adjacent first material distributors are respectively a first layer material distributor and a second layer material distributor, two adjacent first material distributors are symmetrically arranged about a plane where a material distribution vertical plate is located, the material distribution vertical plate is a material distribution vertical plate of the first material distributor in the second layer material distributor, and the first material distributor is located between the two first material distributors in the first layer material distributor.
Preferably, the first material distribution plate and the second material distribution plate in the first material distribution device are rectangular plates, and the vertical distance between the material distribution devices of adjacent layers is 450-550 mm.
Preferably, the first material distributing plate and the second material distributing plate in the first material distributing device are rectangular plates, and the width of the first material distributing plate and the width of the second material distributing plate in the first material distributing device are both 80-100 mm.
Preferably, a plurality of partition plates are arranged between two adjacent distributing devices in the same layer of distributing devices, the partition plates are vertically arranged, two ends of each partition plate are fixedly connected with distributing vertical plates of the two adjacent distributing devices respectively, and planes of the partition plates are perpendicular to planes of the distributing vertical plates;
the partition plates are uniformly distributed along the length direction of the connected material distribution devices and are positioned in the partition plate between the same material distribution devices, and the distance between every two adjacent partition plates is 500-600 mm.
Preferably, the included angle between the first material distributing plate and the second material distributing plate is 60-75 degrees, and the width of the material distributing vertical plate is 500-600 mm.
Or preferably, the second divides the material device to include third branch flitch and fourth branch flitch, a side of third branch flitch and a side of fourth branch flitch are fixed to link to each other and are formed chevron shape second tripper, the both sides limit of second tripper is connected with the connecting plate of a vertical setting respectively, second tripper and two connecting plates all span the feed bin and second tripper and two connecting plates all correspond two lateral walls that set up with the feed bin and are fixed continuous.
Preferably, the connecting plate sets up with dividing the material riser parallel to each other, and two connecting plates divide into left dipleg and right dipleg with the dipleg.
Preferably, the width of the third material distribution plate and the width of the fourth material distribution plate are 300-350mm, and the included angle between the third material distribution plate and the fourth material distribution plate is 55-65 degrees.
Preferably, the feed bin includes two lateral walls that are parallel to each other and two symmetry and the lateral wall that the slope set up, and four lateral walls are fixed to link to each other and enclose into the cross section and be trapezoidal feed bin.
Preferably, the silo is a cylindrical silo.
The utility model relates to a wide-grain-size low-order mixed coal pyrolysis uniform distribution device.A first distribution device is arranged in a storage bin, and firstly, the mixed coal is intercepted in the vertical direction, so that the mixed coal cannot form a vertebral body slope surface to roll down; secondly, a second material distributing device is arranged in a dipleg at the lower part of the storage bin, and the function of the second material distributing device is to slow down the descending speed of the middle part of the storage bin and inhibit the descending speed of the mixed coal; thirdly, the utility model discloses a reverse centrum model sets up the tripper, is provided with the baffle in the tripper, and the unloading passageway that baffle and tripper riser enclose can tie the coal blending in region separately, has avoided the free fall operation in-process of coal blending to form the coal blending centrum, leads to big or small granule coal blending to take place the segregation phenomenon.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of another embodiment of the present invention.
Reference numerals: 1-a storage bin, 2-a first distributing device, 21-a first distributing plate, 22-a second distributing plate, 23-a distributing vertical plate, 3-a second distributing plate, 31-a third distributing plate, 32-a fourth distributing plate, 35-a connecting plate, 4-a dipleg, 41-a left dipleg, 42-a right dipleg and 5-a partition plate.
Detailed Description
The utility model relates to a wide-grain-size low-order coal pyrolysis uniform distribution device, which comprises a storage bin 1, wherein a feed inlet is formed in the top of the storage bin 1, a dipleg 4 for discharging is arranged at the bottom of the storage bin 1, a first distribution device 2 and a second distribution device are arranged in the storage bin 1, the first distribution device 2 is arranged into a plurality of layers along the vertical direction, the first distribution devices 2 in the same layer are arranged into a plurality of layers, the first distribution devices 2 between the adjacent layers are arranged in a staggered manner, and the first distribution devices 2 are all positioned at the upper part of the second distribution device;
the first distributing device 2 comprises a first distributing plate 21, a second distributing plate 22 and a distributing vertical plate 23, one side edge of the first distributing plate 21 is fixedly connected with one side edge of the second distributing plate 22 to form a distributing head, the cross section of the distributing head is of a herringbone structure, and the opening end of the distributing head faces the dipleg 4;
the distributing vertical plate 23 is fixedly connected with the distributing head, and the first distributing plate 21 and the second distributing plate 22 are symmetrically arranged around the distributing vertical plate 23;
the first material distributing plate 21, the second material distributing plate 22 and the material distributing vertical plate 23 stretch across the storage bin 1, and two ends of the first material distributing plate 21, the second material distributing plate 22 and the material distributing vertical plate 23 are fixedly connected with two corresponding side walls of the storage bin 1.
The two adjacent layers of the first material distribution devices 2 are respectively a first layer material distribution device and a second layer material distribution device, two adjacent first material distribution devices 2 in the first layer material distribution device are symmetrically arranged about the plane where the material distribution vertical plate 23 is located, the material distribution vertical plate 23 is the material distribution vertical plate 23 of the first material distribution device 2 in the second layer material distribution device, and the first material distribution device 2 is located between the two first material distribution devices 2 in the first layer material distribution device.
The first material distributing plate 21 and the second material distributing plate 22 in the first material distributing device 2 are rectangular plates, and the vertical distance between the material distributing devices of adjacent layers is 450 mm and 550 mm.
The first material distributing plate 21 and the second material distributing plate 22 in the first material distributing device 2 are rectangular plates, and the widths of the first material distributing plate 21 and the second material distributing plate 22 in the first material distributing device 2 are both 80-100 mm.
A plurality of partition plates 5 are arranged between two adjacent distributing devices in the same layer of distributing devices, the partition plates 5 are vertically arranged, two ends of each partition plate 5 are fixedly connected with distributing vertical plates 23 of the two adjacent distributing devices respectively, and the plane where the partition plates 5 are located is perpendicular to the plane where the distributing vertical plates 23 are located;
the partition plates 5 are uniformly distributed along the length direction of the connected material distribution devices and are positioned in the partition plates 5 between the same material distribution devices, and the distance between every two adjacent partition plates 5 is 500-600 mm.
The included angle between the first material distributing plate 21 and the second material distributing plate 22 is 60-75 degrees, and the width of the material distributing vertical plate 23 is 500-600 mm.
The second divides the material device to include third branch flitch 31 and fourth branch flitch 32, a side of third branch flitch 31 forms chevron shape second tripper 3 with a fixed linking to each other of a side of fourth branch flitch 32, the both sides limit of second tripper 3 is connected with the connecting plate 35 of a vertical setting respectively, second tripper 3 and two connecting plates 35 all span feed bin 1 and second tripper 3 and two connecting plates 35 all correspond two lateral walls that set up with feed bin 1 and are fixed linking to each other.
The connecting plates 35 and the distributing vertical plates 23 are arranged in parallel, and the dipleg 4 is divided into a left dipleg 41 and a right dipleg 42 by the two connecting plates 35.
The widths of the third material distribution plate 31 and the fourth material distribution plate 32 are 300-350mm, and the included angle between the third material distribution plate 31 and the fourth material distribution plate 32 is 55-65 degrees.
The feed bin 1 comprises two side walls which are arranged in parallel and two side walls which are symmetrically and obliquely arranged, and the four side walls are fixedly connected to each other to form the feed bin 1 with a trapezoidal cross section.
The silo 1 can be a cylindrical silo 1 or a truncated cone silo 1.
The utility model discloses the theory of operation: raw material mixed coal is conveyed to a feed inlet at the upper end of a storage bin 1 of the uniform distribution device by a reversible belt conveyor and is discharged, the mixed coal is cut into a plurality of parts by a material distribution head of a first distributor in the storage bin 1 and moves downwards, the mixed coal in the downward moving process is divided by vertical plates of the distributors at the same level and moves downwards in respective vertical areas, the phenomenon of cone segregation easily formed in the mixed coal filling process is effectively avoided, the mixed coal continues to move downwards and finally reaches a dipleg 4 and is divided into a left dipleg 41 and a right dipleg 42, the density of the mixed coal in the left dipleg 41 and the right dipleg 42 is similar to that of the loose mixed coal pile of the reversible belt conveyor, the phenomenon of segregation of large and small particles does not occur, and finally the mixed coal enters a vertical furnace through the left dipleg 41 and the right dipleg 42.
In one embodiment, the silo 1 can be arranged in an inverted circular truncated cone shape or a cylindrical shape, the left dipleg 41 and the right dipleg 42 are hollow cylindrical shapes, and the first powder device is arranged in the circular truncated cone.
In another embodiment, the storage bin 1 is a hollow rectangular groove, the dipleg 4 is arranged in the hollow rectangular groove,
in another embodiment, the first distributor is also arranged at the inlet of the left dipleg 41 and the right dipleg 42.
The utility model relates to a wide-grain-size low-order mixed coal pyrolysis uniform distribution device.A first distribution device 2 is arranged in a storage bin 1, and firstly, the mixed coal is intercepted in the vertical direction, so that the mixed coal cannot form a vertebral body slope surface to roll down; secondly, a second distributing device is arranged in a dipleg 4 at the lower part of the storage bin 1 and is used for slowing down the descending speed of the middle part of the storage bin 1 and inhibiting the descending speed of the mixed coal, the descending speeds of the mixed coal at two sides of the storage bin 1 are similar to the descending speed of the mixed coal at the middle part of the storage bin 1, the synchronous descending of the mixed coal is achieved, the segregation phenomenon is avoided, and finally the mixed coal is uniformly distributed in the furnace; thirdly, the utility model discloses a reverse centrum model sets up the tripper, can avoid the free fall operation in-process of coal blending to form the coal blending centrum, leads to big or small granule coal blending to take place the segregation phenomenon.
Claims (10)
1. The device for uniformly distributing the low-rank coal with the wide particle size by pyrolysis comprises a storage bin (1), wherein a feed inlet is formed in the top of the storage bin (1), and a dipleg (4) for discharging is arranged at the bottom of the storage bin (1), and is characterized in that a first distributing device (2) and a second distributing device are arranged in the storage bin (1), the first distributing device (2) is arranged in a plurality of layers in the vertical direction, the first distributing devices (2) in the same layer are arranged in a plurality of layers, the first distributing devices (2) between adjacent layers are arranged in a staggered manner, and the first distributing devices (2) are all positioned at the upper part of the second distributing device;
the first material distribution device (2) comprises a first material distribution plate (21), a second material distribution plate (22) and a material distribution vertical plate (23), one side edge of the first material distribution plate (21) is fixedly connected with one side edge of the second material distribution plate (22) to form a material distribution head, the cross section of the material distribution head is of a herringbone structure, and the open end of the material distribution head faces the material legs (4);
the material distributing vertical plate (23) is fixedly connected with the material distributing head, and the first material distributing plate (21) and the second material distributing plate (22) are symmetrically arranged relative to the material distributing vertical plate (23);
first minute flitch (21) and second divide flitch (22) and divide material riser (23) to span feed bin (1), and the both ends of first minute flitch (21) and second divide flitch (22) and divide material riser (23) all with two lateral walls that feed bin (1) correspond the setting fixedly link to each other.
2. The wide-particle-size low-rank coal pyrolysis uniform distribution device according to claim 1, wherein two adjacent first distribution devices (2) are a first-layer distribution device and a second-layer distribution device respectively;
two adjacent first material distribution devices (2) in the first layer of material distribution device are symmetrically arranged relative to the plane where the material distribution vertical plate (23) is located, the material distribution vertical plate (23) is the material distribution vertical plate (23) on the first material distribution device (2) in the second layer of material distribution device, and the first material distribution device (2) is located between the two first material distribution devices (2) in the first layer of material distribution device.
3. The wide-particle-size low-rank coal pyrolysis uniform distribution device according to claim 2, wherein the first material distribution plate (21) and the second material distribution plate (22) in the first material distribution device (2) are rectangular plates, and the widths of the first material distribution plate (21) and the second material distribution plate (22) in the first material distribution device (2) are both 80-100 mm.
4. The wide-particle-size low-rank coal pyrolysis uniform distribution device according to claim 3, characterized in that a plurality of partition plates (5) are arranged between two adjacent distribution devices in the same layer of distribution devices, the partition plates (5) are vertically arranged, two ends of each partition plate (5) are fixedly connected with distribution vertical plates (23) of the two adjacent distribution devices respectively, and the plane where the partition plates (5) are located is perpendicular to the plane where the distribution vertical plates (23) are located;
the partition plates (5) are uniformly distributed along the length direction of the connected material distribution devices, are positioned in the partition plates (5) between the same material distribution devices, and the distance between the adjacent partition plates (5) is 500-600 mm.
5. The device for uniformly distributing the low-rank coal with the wide particle size through pyrolysis as claimed in claim 4, wherein an included angle between the first material distribution plate (21) and the second material distribution plate (22) is 60-75 degrees, and the width of the material distribution vertical plate (23) is 500-600 mm.
6. The wide-particle-size low-rank coal pyrolysis uniform distribution device according to any one of claims 1 to 5, wherein the second distribution device comprises a third distribution plate (31) and a fourth distribution plate (32), one side edge of the third distribution plate (31) is fixedly connected with one side edge of the fourth distribution plate (32) to form a herringbone second distributor (3), two side edges of the second distributor (3) are respectively connected with a vertically-arranged connecting plate (35), the second distributor (3) and the two connecting plates (35) both span the storage bin (1), and the second distributor (3) and the two connecting plates (35) both are fixedly connected with two side walls of the storage bin (1) correspondingly.
7. The wide-particle-size low-rank coal pyrolysis uniform distribution device is characterized in that the connecting plates (35) and the distribution risers (23) are arranged in parallel, and the two connecting plates (35) divide the dipleg (4) into a left dipleg (41) and a right dipleg (42).
8. The wide-particle-size low-rank coal pyrolysis uniform distribution device as claimed in claim 7, wherein the widths of the third material distribution plate (31) and the fourth material distribution plate (32) are 300-350mm, and the included angle between the third material distribution plate (31) and the fourth material distribution plate (32) is 55-65 degrees.
9. The wide-particle-size low-rank coal pyrolysis uniform distribution device according to claim 8, wherein the storage bin (1) comprises two side walls arranged in parallel and two symmetrical and inclined side walls, and the four side walls are fixedly connected to form the storage bin (1) with a trapezoidal cross section.
10. The wide-particle-size low-rank coal pyrolysis uniform distribution device according to claim 8, wherein the silo (1) is a cylindrical silo (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921329443.XU CN210367524U (en) | 2019-08-16 | 2019-08-16 | Wide-particle-size low-rank coal pyrolysis uniform distribution device |
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| CN201921329443.XU CN210367524U (en) | 2019-08-16 | 2019-08-16 | Wide-particle-size low-rank coal pyrolysis uniform distribution device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111944562A (en) * | 2020-08-06 | 2020-11-17 | 施吉章 | Two-section type gas producer for glass production |
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2019
- 2019-08-16 CN CN201921329443.XU patent/CN210367524U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111944562A (en) * | 2020-08-06 | 2020-11-17 | 施吉章 | Two-section type gas producer for glass production |
| CN111944562B (en) * | 2020-08-06 | 2021-12-03 | 台州市路桥友顺纸塑包装材料厂 | Two-section type gas producer for glass production |
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