CN211169023U - Steam tracing discharging device - Google Patents
Steam tracing discharging device Download PDFInfo
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- CN211169023U CN211169023U CN201921421574.0U CN201921421574U CN211169023U CN 211169023 U CN211169023 U CN 211169023U CN 201921421574 U CN201921421574 U CN 201921421574U CN 211169023 U CN211169023 U CN 211169023U
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Abstract
The utility model relates to a coking plant coal tower blowing device with long-term companion's function belongs to mechanical blowing device technical field. A steam heat tracing discharging device is characterized by comprising a connecting flange (1), an outer wall (2), a heat tracing pipeline (3), an inner wall (4), a fan-shaped gate plate (5), a fan-shaped gear (6), a screw shaft (7), a baffle plate (8), a lock nut (9) and a gate plate ear ring (10). The utility model discloses a long-term steady operation of coke-oven plant's coal tower blowing can be realized to corrosion-resistant and heat tracing structure, and it is adjustable to coordinate the steam valve opening to realize heat tracing, and the inside strengthening rib of cooperation realizes that high strength is stand wear and tear indeformable. The heat tracing structure avoids leakage and frequent overhaul operation caused by medium corrosion and uneven stress, and has high application value.
Description
Technical Field
The utility model relates to a steam companion's heat blowing device belongs to coking mechanical device technical field.
Background
In the coking production process of a coke oven with top coal charging adopted by metallurgical coking enterprises, a coke conveying belt conveys coke coal mixed according to process proportion to a coal tower at the top of the coke oven, the coal tower supplies the coke coal to a coal charging car through a bottom discharging device, and the coal charging car charges the coke coal into the coke oven from the top of the coke oven through a coal charging mechanism for production operation. The coal tower emptying device has frequent action and is key in action. Generally, the coking coal contains 6-14% of water and 80% of grinding fineness, the coking coal after process improvement contains a certain amount of tar residues and biochemical sludge, the coking coal is easy to adhere to the inner wall of a discharging device in winter and is easy to freeze to block a discharging hole in low temperature, troubles are caused to production, and production operation is influenced. The existing discharging device contains a steam heat tracing interlayer, but in the application process, the interlayer welded junction is frequently corroded and is not uniformly stressed to cause cracking and leakage, the service life is short, and as the field loading amount is multiple groups, the overhaul and replacement work amount is large, and the cost is high, so that the production cost is linearly increased. Therefore, a steam heat tracing discharging device capable of realizing a long-acting heat tracing function needs to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a steam companion heat blowing device with long-term companion heat function is provided, the device creatively through sandwich structure cooperation spiral heat transfer pipeline's design, utilizes mill's high temperature steam to realize the long-term companion heat in blowing position to solve the production hidden danger that the material tubercle blockked up the drain hole.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
a steam heat tracing discharging device comprises a connecting flange, an outer wall, a heat tracing pipeline, an inner wall, a fan-shaped gate plate, a fan-shaped gear, a screw shaft, a baffle plate, a locking nut and a gate plate lug ring, wherein the lower end and the side surface of the outer wall and the inner wall are welded and connected, and the upper end of the outer wall and the upper end of the inner wall are welded and connected with the connecting flange to form a closed cavity; the heat tracing pipeline is assembled in a cavity between the outer wall and the inner wall, and the inlet and the outlet of the heat tracing pipeline penetrate through the outer wall and are arranged outside the device; the screw shafts are four pieces, one end of each screw shaft is vertically and symmetrically welded on the outer wall of a symmetrical plane on one side of the outer wall, the other end of each screw shaft is provided with an external thread by turning, and the threads are matched with the locking nuts; the fan-shaped gate plates are of a symmetrical split structure, and the two fan-shaped gears are welded and fixed on the two fan-shaped gate plates; fan-shaped flashboard, sector gear run through the screw shaft and are fixed in on the outer wall, fix through the lock mother, two sector gear meshing are connected.
The distance between the outer wall and the inner wall is 45-55 mm.
The diameter of the outer wall of the heat tracing pipeline is 25-35 mm, and the number of winding turns is 2-5.
3-5 reinforcing ribs are arranged between each layer of the heat tracing pipeline.
And a flashboard earring is arranged at the opening part at the bottom of the fan-shaped flashboard.
The inner wall is made of 316L stainless steel plates with the thickness of 5-10 mm.
The outer wall is made of a Q235-B steel plate, and the thickness of the steel plate is 5-10 mm.
The heat tracing pipeline is a 316L stainless steel seamless steel pipe, and the wall thickness of the steel pipe is 2-5 mm.
Stainless steel cylindrical reinforcing ribs are welded between the inner wall and the outer wall, and the arrangement mode of the reinforcing ribs is that 4-8 reinforcing ribs are uniformly distributed in two rows in the length direction and 3-5 reinforcing ribs are uniformly distributed in two rows in the width direction.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the reserved steam interface and the exhaust port are connected with the inlet and the outlet of the heat tracing pipe of the discharging device, the heat tracing temperature of the discharging device is adjusted by the steam valve, heat tracing is provided for the discharging device in a season with lower temperature, the discharging blockage caused by material adhesion and freezing is prevented, meanwhile, the structure is wear-resistant and medium-corrosion-resistant, the shutdown and maintenance caused by steam leakage are avoided, and the normal and orderly operation of coke oven production is ensured.
Drawings
FIG. 1 is a schematic view of the structure of the device of the present invention;
FIG. 2 is an exploded view of the device of the present invention;
fig. 3 is a half sectional view of the inventive device;
FIG. 4 is a view of the apparatus of the present invention in production and installation;
the labels in the figure are: the device comprises a connecting flange 1, an outer wall 2, a heat tracing pipeline 3, an inner wall 4, a fan-shaped gate plate 5, a fan-shaped gear 6, a screw shaft 7, a baffle plate 8, a locking nut 9, a gate plate lug ring 10, a coal tower 11, a long-acting heat tracing discharging device 12, an electro-hydraulic push rod 13 and a stainless steel reinforcing rib 14.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the 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.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1-3, the utility model discloses a discharging device with long-term heat tracing function, including coupling flange 1, outer wall 2, heat tracing pipeline 3, inner wall 4, fan-shaped flashboard 5, sector gear 6, screw shaft 7, baffle 8, lock nut 9, flashboard earrings 10. The connecting flange 1 and the outer wall 2 are made of Q235-B steel plates with the thickness of 8mm, and the connecting mode is full-length welding; screw shaft 7 totally has four, and the symmetry welds in a set of symmetry plane outer wall of outer wall 2, and screw shaft 7 material adopts quenching and tempering 45#, and one end car has metric screw thread, and the other end reserves the terminal surface for the welding, and the welding needs to be done the groove and is fully welded. The fan-shaped gate plates 5 are of a symmetrical split structure, and the two fan-shaped gears 6 are welded and fixed on the two fan-shaped gate plates 5; fan-shaped flashboard 5, sector gear 6 run through being fixed in on outer wall 2 through screw shaft 7, and it is fixed through lock nut 9, two sector gear 6 meshing are connected.
The inner wall 4 is made of 316L stainless steel, the wall thickness is 8mm, have the function of wear resistance and corrosion resistance, the inner wall 4 and the outer wall 2 have an interlayer with a distance of 50mm, a spirally wound thick-wall stainless steel heat tracing pipeline 3 is installed between the interlayers, the diameter of the outer wall of the heat tracing pipeline 3 is 30 mm, the number of winding turns is 4, the heat tracing pipeline 3 is welded with a tee joint at an outlet and an inlet respectively, so that interfaces are reserved on the symmetrical plane of the outer wall 2 respectively, the field pipeline installation and the general interchange are facilitated, after the heat tracing pipeline 3 is installed, a pressurizing test method is needed to carry out for next assembly, the pressurizing steam pressure is 0.7Mpa, after the heat tracing pipeline 3 is arranged on the interlayer with a distance of 50mm between the inner wall 4 and the outer wall 2, stainless steel cylindrical reinforcing ribs 14 need to be welded, the reinforcing ribs are arranged in a mode that two.
The sector gear 6 is welded on the connecting plates at two sides of the sector gate 5 according to the in-place opening and closing condition, and the purpose is to realize the opening and closing of the gate by the synchronization of the actions of the two gates through gear meshing. The graphite self-lubricating copper bush can be arranged in the hole of the sector gear shaft for materials with larger specific gravity, so that the aim of saving opening and closing labor is fulfilled.
The action principle of the whole mechanism is that a cylinder head of an electro-hydraulic push rod 13 is connected with a flashboard ear ring 10 in a coupling mode through a matching pin shaft, when a cylinder rod extends out, a fan-shaped flashboard 5 drives a fan-shaped gear 6 to rotate around a screw rod shaft 7, after the stroke of the cylinder rod reaches a limit position, the fan-shaped flashboard 5 is closed, and discharging is finished; similarly, after the cylinder rod is contracted to the right position, the fan-shaped gate plate 5 is opened, and the material discharge amount reaches the maximum.
The utility model discloses a long-term steady operation of coke-oven plant's coal tower blowing can be realized to corrosion-resistant and heat tracing structure, and it is adjustable to coordinate the steam valve opening to realize heat tracing, and the inside strengthening rib of cooperation realizes that high strength is stand wear and tear indeformable. The heat tracing structure avoids leakage and frequent overhaul operation caused by medium corrosion and uneven stress, and has high application value.
Claims (9)
1. A steam heat tracing discharging device is characterized by comprising a connecting flange (1), an outer wall (2), a heat tracing pipeline (3), an inner wall (4), a fan-shaped gate plate (5), a fan-shaped gear (6), a screw shaft (7), a baffle plate (8), a lock nut (9) and a gate plate ear ring (10), wherein the lower ends and the side faces of the outer wall (2) and the inner wall (4) are welded and connected, and the upper ends are welded and connected with the connecting flange (1) to form a closed cavity; the heat tracing pipeline (3) is assembled in a cavity between the outer wall (2) and the inner wall (4), and an inlet and an outlet of the heat tracing pipeline (3) penetrate through the outer wall (2) and are arranged outside the device; the screw shafts (7) are four in number, one end of each screw shaft is vertically and symmetrically welded on the outer wall of a symmetrical plane on one side of the outer wall (2), the other end of each screw shaft is provided with an external thread by turning, and the threads are matched with the lock nuts (9); the fan-shaped gate plates (5) are of a symmetrical split structure, and the two fan-shaped gears (6) are welded and fixed on the two fan-shaped gate plates (5); fan-shaped flashboard (5), sector gear (6) run through screw shaft (7) and are fixed in on outer wall (2), fix through lock mother (9), two sector gear (6) meshing are connected.
2. The steam heat tracing emptying device according to claim 1, characterized in that the distance between the outer wall (2) and the inner wall (4) is 45-55 mm.
3. The steam heat tracing discharging device as claimed in claim 1, characterized in that the diameter of the outer wall of the heat tracing pipeline (3) is 25-35 mm, and the number of winding turns is 2-5.
4. The steam heat tracing discharging device according to claim 1, characterized in that 3-5 reinforcing ribs are arranged between each layer of the heat tracing pipeline (3).
5. The steam heat tracing discharging device according to claim 1, characterized in that the bottom opening of the fan-shaped shutter (5) is provided with a shutter ear (10).
6. The steam heat tracing discharging device according to claim 1, characterized in that the inner wall (4) is made of 316L stainless steel plate with a thickness of 5-10 mm.
7. The steam heat tracing discharging device according to claim 1, characterized in that the outer wall (2) is made of Q235-B steel plate, and the thickness of the steel plate is 5-10 mm.
8. The steam heat tracing discharging device according to claim 1, characterized in that the heat tracing pipe (3) is a seamless steel pipe of 316L stainless steel material, and the wall thickness of the steel pipe is 2-5 mm.
9. The steam heat tracing discharging device according to claim 1, characterized in that stainless steel cylindrical reinforcing ribs (14) are welded between the inner wall (4) and the outer wall (2), and the arrangement of the reinforcing ribs is that two rows of 4-8 reinforcing ribs are uniformly distributed in the length direction and two rows of 3-5 reinforcing ribs are uniformly distributed in the width direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421574.0U CN211169023U (en) | 2019-08-29 | 2019-08-29 | Steam tracing discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421574.0U CN211169023U (en) | 2019-08-29 | 2019-08-29 | Steam tracing discharging device |
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| Publication Number | Publication Date |
|---|---|
| CN211169023U true CN211169023U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921421574.0U Active CN211169023U (en) | 2019-08-29 | 2019-08-29 | Steam tracing discharging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915365A (en) * | 2021-09-29 | 2022-01-11 | 江苏省旭日液压设备有限公司 | Double-layer jaw type gate set |
-
2019
- 2019-08-29 CN CN201921421574.0U patent/CN211169023U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915365A (en) * | 2021-09-29 | 2022-01-11 | 江苏省旭日液压设备有限公司 | Double-layer jaw type gate set |
| CN113915365B (en) * | 2021-09-29 | 2024-01-16 | 江苏省旭日液压设备有限公司 | Double-deck palate type gate group |
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