Ash discharging door device of ash hopper of pure oxygen gas generator

Abstract

The utility model relates to the technical field of pure oxygen gas producers, in particular to an ash discharging door device of an ash hopper of a pure oxygen gas producer, which is characterized in that a flange is fixedly arranged at the edge of the bottom of an ash hopper body, and an ash discharging opening upper cover is arranged at the bottom of the flange; an ash discharging door mechanism is arranged on one side of the ash bucket body, the ash discharging door mechanism comprises a driving assembly and an ash door assembly, the driving assembly comprises a driving part, a counter weight hammer and an eight arm, the tail end of the driving part is hinged to the ash bucket body, and the counter weight hammer is rotationally connected with the telescopic end of the driving part; the two ends of the split arm are hinged to the telescopic end of the driving piece and the ash door assembly correspondingly. The ash door assembly comprises an ash discharging opening bottom cover, an ash discharging round door pad and a steel plate ring, the ash discharging round door pad is arranged at the top of the ash discharging opening bottom cover, and the steel plate ring is arranged at the top of the ash discharging round door pad. According to the utility model, the leakage phenomenon of high-temperature steam can be effectively avoided, the corrosion phenomenon of the ash hopper and the ash door is reduced, and meanwhile, the rubber sealing gasket of the ash discharging door can be effectively prevented from being burnt out and catching fire.

Description

Technical Field

[0001] The utility model relates to the technical field of pure oxygen coal gas generators, and particularly relates to a slag discharge door device for the ash hopper of a pure oxygen coal gas generator. Background Art

[0002] The pure oxygen coal gas generator adopts the pure oxygen fixed bed continuous gasification method, uses small-sized coal or lump coal as raw materials, uses pure oxygen and steam as gasifying agents, and after mixing, reacts with the hot carbon in the coal gas generator to continuously produce water gas; the pure oxygen coal gas generator consists of a feeding device, a furnace body device, a furnace bottom driving device and an ash discharging device, wherein the ash discharging device consists of a grate, an ash plow, an ash hopper and an ash door.

[0003] The ash hopper of the ash discharging device is used as a slag storage device, and the ash door of the ash discharging device is used as a component for opening and closing the ash hopper. However, in the prior art, the sealing effect of the ash door of the ash discharging device is not good, and high-temperature steam is prone to leakage, resulting in waste of high-temperature steam. Moreover, the ash hopper and the ash door are severely corroded in an environment with high temperature and high humidity for a long time; at the same time, if the process fluctuates and the hot red carbon is not fully burned, it will flow into the interior of the ash hopper, causing the rubber sealing gasket of the ash door to burn out and catch fire, posing a safety hazard. Summary of the Invention

[0004] In order to solve the problem of poor sealing effect of the ash door of the ash discharging device of the existing pure oxygen coal gas generator, the utility model provides a slag discharge door device for the ash hopper of a pure oxygen coal gas generator. The slag discharge door device solves the problem of poor sealing effect of the ash door, improves the sealing effect, can effectively avoid the leakage of high-temperature steam, and further reduces the corrosion of the ash hopper and the ash door. At the same time, it can effectively prevent the rubber sealing gasket of the slag discharge door from burning out and catching fire.

[0005] In order to achieve the above purpose, the technical solution of the utility model is: a slag discharge door device for the ash hopper of a pure oxygen coal gas generator, including an ash hopper body, the discharge end of the ash hopper body is inclined downward, a flange is fixedly arranged at the bottom edge of the ash hopper body, and a slag discharge port upper cover is arranged at the bottom of the flange; a hinge seat is arranged on one side of the slag discharge port upper cover. The slag discharge port upper cover is used to cooperate with the ash door assembly to close the discharge end of the ash hopper body and improve the sealing effect of the discharge end of the ash hopper body.

[0006] On one side of the hopper body, a ash discharge gate mechanism is provided. The ash discharge gate mechanism includes a driving component and an ash gate component. The driving component includes a driving member, a counterweight, and an L-shaped arm. The tail end of the driving member is hinged to the hopper body, and the counterweight is rotatably connected to the telescopic end of the driving member. Both ends of the L-shaped arm are respectively hinged to the telescopic end of the driving member and the ash gate component, and the middle of the L-shaped arm is movably connected to a hinge seat. The driving component is used to drive the L-shaped arm to move, so that the L-shaped arm drives the ash gate component to move to close or open the discharge end of the hopper body. The ash gate component cooperates with the upper cover of the ash discharge port to close the discharge end of the hopper body, and the counterweight plays a role in counterweight, improving the effect of the ash gate component sealing the upper cover of the ash discharge port.

[0007] The ash gate component includes a bottom cover of the ash discharge port, an ash discharge round door gasket, and a steel plate ring. The ash discharge round door gasket is arranged on the top of the bottom cover of the ash discharge port, and the steel plate ring is arranged on the top of the ash discharge round door gasket. The ash discharge round door gasket plays a sealing role, and the steel plate ring plays a role in preventing the ash discharge round door gasket from burning out and catching fire.

[0008] Further, a sealing gasket is arranged between the flange and the upper cover of the ash discharge port, and the flange and the upper cover of the ash discharge port are bolted. The sealing gasket plays a sealing role in the connection between the flange and the upper cover of the ash discharge port.

[0009] Further, the driving member is a hydraulic cylinder. A hanging bracket is fixedly arranged on one side of the hopper body. The tail end of the hydraulic cylinder is hinged to the hanging bracket, and the end of the telescopic end of the hydraulic cylinder is connected with a U-shaped plate. A pin shaft is fixedly arranged on the U-shaped plate, and both ends of the pin shaft pass through the U-shaped plate and are rotatably connected with the counterweight. Through the cooperation of the pin shaft and the U-shaped plate, it is convenient to connect the counterweight and the L-shaped arm, so that the hydraulic cylinder can drive the L-shaped arm to move.

[0010] Further, a first pin is fixedly arranged on the hinge seat, and the middle of the L-shaped arm is rotatably sleeved on the first pin. Through the cooperation of the L-shaped arm and the first pin, it is convenient for the hydraulic cylinder to drive the L-shaped arm to move and drive the ash gate component to move.

[0011] Further, one end of the L-shaped arm is rotatably sleeved on the pin shaft, and the other end is provided with an adjusting component. The adjusting component includes a fixing nut and an adjusting bolt. The fixing nut is fixedly arranged at the bottom of the L-shaped arm, and the adjusting bolt is threadedly connected with the fixing nut and its upper end extends above the L-shaped arm. The bottom cover of the ash discharge gate can be tightened by the adjusting bolt, improving the effect of the ash gate component sealing the feeding end of the hopper body.

[0012] Further, an upper cover edge lip is fixedly arranged at the inner edge of the bottom of the upper cover of the ash discharge port. The diameter of the steel plate ring is smaller than that of the ash discharge round door gasket, and the ash discharge round door gasket and the steel plate ring are bolted to the bottom cover of the ash discharge port. After the adjusting bolt tightens the bottom cover of the ash discharge gate, the ash discharge round door gasket is completely attached to the upper cover edge lip, thus achieving a sealing effect.

[0013] Furthermore, two bottom plates are arranged at intervals on the bottom of the lower ash hopper bottom cover. A second pin is fixedly arranged between the two bottom plates, and the eight-armed lever is rotatably sleeved on the second pin. Through the cooperation of the eight-armed lever and the second pin, the lower end of the ash discharge door bottom cover can be adjusted and tightened by the bolt.

[0014] Through the above technical solutions, the beneficial effects of the present utility model are as follows:

[0015] The structure of the present utility model is reasonable and has good use effects. It solves the problem of poor sealing effect of the ash door, improves the sealing effect, can effectively avoid the leakage of high-temperature steam, avoid the waste of high-temperature steam, and further reduce the corrosion of the ash hopper and the ash door. At the same time, when the unburned red carbon flows into the interior of the ash hopper, it can effectively prevent the rubber sealing gasket of the ash discharge door from burning out and catching fire, reducing the potential safety hazard.

[0016] The eight-armed lever of the present utility model cooperates with the pin of the first pin and the U-shaped plate, so that the telescopic end of the hydraulic cylinder can drive the eight-armed lever to rotate relative to the first pin, so that the end of the eight-armed lever far from the hydraulic cylinder can drive the ash door assembly to move, achieving the function of opening or closing the upper cover of the lower ash outlet, and improving the sealing effect of the upper cover of the lower ash outlet. Among them, the counterweight hammer plays a role in counterweight, so that the ash door assembly presses tightly against the upper cover of the lower ash outlet, improving the sealing effect of the upper cover of the lower ash outlet.

[0017] The lower ash round door gasket of the ash door assembly of the present utility model has a sealing effect, and the steel plate ring has the effect of preventing the lower ash round door gasket from burning out and catching fire. Among them, after adjusting the bolt to tighten the bottom cover of the ash discharge door, the lower ash round door gasket is completely attached to the edge lip of the upper cover, improving the sealing effect, and further avoiding the leakage of high-temperature steam. Description of the Drawings

[0018] Figure 1 is a structural schematic diagram of the ash discharge door device of the lower ash hopper of a pure oxygen gas generator of the present utility model;

[0019] Figure 2 is Figure 1 the enlarged structural schematic diagram at A in

[0020] Figure 3 is Figure 1 the enlarged structural schematic diagram at B in

[0021] The reference numerals in the drawings are: 1 is the ash hopper body, 2 is the flange, 3 is the upper cover of the lower ash outlet, 4 is the edge lip of the upper cover, 5 is the sealing gasket, 6 is the hinge seat, 7 is the first pin, 8 is the suspension bracket, 9 is the hydraulic cylinder, 10 is the U-shaped plate, 11 is the pin shaft, 12 is the counterweight hammer, 13 is the eight-armed lever, 14 is the bottom cover of the lower ash outlet, 15 is the bottom plate, 16 is the second pin, 17 is the lower ash round door gasket, 18 is the steel plate ring, 19 is the fixing nut, and 20 is the adjusting bolt. Detailed Embodiments

[0022] The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0023] As Figures 1 to 3 shown, a slag discharge door device for a pure oxygen gas producer hopper includes a hopper body 1. The discharge end of the hopper body 1 is inclined downward. A flange 2 is fixedly arranged at the bottom edge of the hopper body 1, and a slag discharge port upper cover 3 is arranged at the bottom of the flange 2. A hinge seat 6 is arranged on one side of the slag discharge port upper cover 3. In this embodiment, the included angle between the discharge end of the hopper body 1 and the horizontal plane is an acute angle. The flange 2 is welded and fixed on the hopper body 1, and the hinge seat 6 is welded and fixed on the slag discharge port upper cover 3.

[0024] A slag discharge door mechanism is arranged on one side of the hopper body 1. The slag discharge door mechanism includes a driving assembly and a slag discharge door assembly. The driving assembly includes a driving member, a counterweight 12, and an eight-arm 13. The tail end of the driving member is hinged to the hopper body 1, and the counterweight 12 is rotationally connected to the telescopic end of the driving member. The two ends of the eight-arm 13 are respectively hinged to the telescopic end of the driving member and the slag discharge door assembly, and the middle of the eight-arm 13 is movably connected to the hinge seat 6. In this embodiment, when the telescopic end of the driving member retracts, it can drive the eight-arm 13 to rotate clockwise relative to the hinge seat 6, and the eight-arm 13 drives the slag discharge door assembly to move synchronously, so as to achieve the purpose of the slag discharge door assembly opening the slag discharge port upper cover 3. When the telescopic end of the driving member extends, it can drive the eight-arm 13 to rotate counterclockwise relative to the hinge seat, and the eight-arm 13 drives the slag discharge door assembly to move synchronously, achieving the purpose of the slag discharge door assembly closing the slag discharge port upper cover 3.

[0025] The slag discharge door assembly includes a slag discharge port bottom cover 14, a slag discharge round door gasket 17, and a steel plate ring 18. The slag discharge round door gasket 17 is arranged on the top of the slag discharge port bottom cover 14, and the steel plate ring 18 is arranged on the top of the slag discharge round door gasket 17. In this embodiment, the slag discharge round door gasket 17 is made of rubber material. The slag discharge round door gasket 17 plays a sealing role to prevent the leakage of high-temperature steam. Both the slag discharge round door gasket 17 and the steel plate ring 18 are in a ring structure. The steel plate ring 18 plays a protective role for the slag discharge round door gasket 17. When the unburned hot red carbon flows into the hopper interior, the steel plate ring 18 can effectively prevent the slag discharge round door gasket 17 from being burned out or catching fire.

[0026] A sealing gasket 5 is arranged between the flange 2 and the slag discharge port upper cover 3, and the flange 2 and the slag discharge port upper cover 3 are bolted. In this embodiment, both the flange 2 and the slag discharge port upper cover 3 are in a ring structure. The sealing gasket 5 plays a sealing role in the connection between the flange 2 and the slag discharge port upper cover 3 to prevent the leakage of high-temperature steam from the connection between the two.

[0027] The driving member is a hydraulic cylinder 9. One side of the hopper body 1 is fixedly provided with a hanging bracket 8. The tail end of the hydraulic cylinder 9 is hinged to the hanging bracket 8. The end of the telescopic end of the hydraulic cylinder 9 is connected with a U-shaped plate 10. A pin shaft 11 is fixedly provided on the U-shaped plate 10. Both ends of the pin shaft 11 pass through the U-shaped plate 10 and are rotatably connected with the counterweight 12. In this embodiment, the hanging bracket 8 includes a U-shaped seat and a fixing pin. The fixing pin is fixedly installed on the U-shaped seat. The tail end of the hydraulic cylinder 9 is fixedly provided with an ear plate, and the ear plate is rotatably sleeved on the fixing pin. The counterweight 12 plays a role of counterweight to make the ash gate assembly tightly press against the upper cover 3 of the ash discharge opening under the action of the eight-arm 13.

[0028] A first pin 7 is fixedly provided on the hinge seat 6. The middle part of the eight-arm 13 is rotatably sleeved on the first pin 7. In this embodiment, the hinge seat 6 includes two hinge plates welded and fixed on the upper cover 3 of the ash discharge opening. The first pin 7 is fixedly installed between the two hinge plates. When the telescopic end of the hydraulic cylinder 9 moves, it can drive the eight-arm 13 to rotate relative to the first pin 7 to achieve the function of opening or closing the upper cover 3 of the ash discharge opening by the ash gate assembly.

[0029] One end of the eight-arm 13 is rotatably sleeved on the pin shaft 11, and the other end is provided with an adjusting assembly. The adjusting assembly includes a fixing nut 19 and an adjusting bolt 20. The fixing nut 19 is fixedly provided at the bottom of the eight-arm 13. The adjusting bolt 20 is threadedly connected with the fixing nut 19 and its upper end extends above the eight-arm 13. In this embodiment, when the ash gate assembly closes the upper cover 3 of the ash discharge opening, rotate the adjusting bolt 20 and make the end of the adjusting bolt 20 abut against the upper cover 3 of the ash discharge opening, so that the lower ash round door gasket 17 can contact with the upper cover 3 of the ash discharge opening to improve the sealing effect.

[0030] An upper cover edge lip 4 is fixedly provided at the inner edge of the bottom of the upper cover 3 of the ash discharge opening. The diameter of the steel plate ring 18 is smaller than the diameter of the lower ash round door gasket 17. The purpose is to enable the lower ash round door gasket 17 to cooperate with the upper cover edge lip 4. The lower ash round door gasket 17 and the steel plate ring 18 are bolted to the bottom cover 14 of the ash discharge opening. In this embodiment, the cross section of the upper cover edge lip 4 is in an arc structure. The cooperation between the upper cover edge lip 4 and the lower ash round door gasket 17 can improve the sealing effect. The lower ash round door gasket 17 and the steel plate ring 18 are bolted to the bottom cover 14 of the ash discharge opening for the purpose of facilitating the disassembly and replacement of the lower ash round door gasket 17.

[0031] Two bottom plates 15 are arranged at intervals at the bottom of the bottom cover 14 of the ash discharge opening. A second pin 16 is fixedly provided between the two bottom plates 15. The eight-arm 13 is rotatably sleeved on the second pin 16. In this embodiment, the bottom plates 15 are welded and fixed to the bottom of the bottom cover 14 of the ash discharge opening. The bottom plates 15 are in a triangular structure. The second pin 16 is installed at the lower corner of the bottom plates 15. A pin hole matching the second pin 16 is formed on the eight-arm 13.

[0032] The working principle of the present utility model is as follows: When the ash door assembly is opened, the telescopic end of the hydraulic cylinder 9 retracts. The eight-arm 13 rotates clockwise relative to the first pin 7 through the cooperation with the first pin 7 and the pin shaft 11. The eight-arm 13 drives the ash door assembly to move synchronously, and the ash door assembly moves away from the upper cover 3 of the ash outlet, so as to achieve the purpose of opening the upper cover 3 of the ash outlet by the ash door assembly.

[0033] When closing the upper cover 3 of the ash outlet, the telescopic end of the hydraulic cylinder 9 extends and drives the eight-arm 13 to rotate counterclockwise relative to the hinge seat. The eight-arm 13 drives the ash door assembly to move towards the upper cover 3 of the ash outlet. When the ash round door gasket 17 contacts the upper cover edge lip 4, the hydraulic cylinder 9 is closed. At this time, the counterweight 12 plays a role of counterweight. Then, the adjusting bolt 20 is rotated and the end of the adjusting bolt 20 is pushed against the upper cover 3 of the ash outlet, so that the ash round door gasket 17 is in close contact with the upper cover edge lip 4, improving the sealing effect.

[0034] The above embodiments are only the preferred embodiments of the utility model, and do not limit the scope of implementation of the present utility model. Therefore, all equivalent changes or modifications made according to the technical solutions described in the scope of the present utility model patent should be included in the scope of the patent application of the present utility model.

Claims

1. An ash door device for an ash hopper of a pure oxygen gas generator, comprising an ash hopper body (1), wherein the discharge end of the ash hopper body (1) is arranged to be inclined downward, and characterized in that: A flange (2) is fixedly provided at the bottom edge of the ash hopper body (1); a lower ash outlet cover (3) is provided at the bottom of the flange (2); a hinged seat (6) is provided on one side of the lower ash outlet cover (3); A lower ash door mechanism is provided on one side of the ash hopper body (1), and the lower ash door mechanism includes a driving assembly and an ash door assembly, and the driving assembly includes a driving member, a counterweight (12) and an arm (13), the rear end of the driving member is hinged to the ash hopper body (1), and the counterweight (12) is rotatably connected to the telescopic end of the driving member; the two ends of the arm (13) are respectively hinged to the telescopic end of the driving member and the ash door assembly, and the middle part of the arm (13) is movably connected to the hinge seat (6); The ash door assembly comprises a lower ash opening bottom cover (14), a lower ash round door pad (17) and a steel plate ring (18), wherein the lower ash round door pad (17) is arranged on the top of the lower ash opening bottom cover (14), and the steel plate ring (18) is arranged on the top of the lower ash round door pad (17).

2. The ash lowering door device of the ash hopper of the pure oxygen gas generator according to claim 1 is characterized in that: A sealing gasket (5) is provided between the flange (2) and the lower ash outlet upper cover (3), and the flange (2) and the lower ash outlet upper cover (3) are connected by bolts.

3. The ash lowering door device of the ash hopper of the pure oxygen gas generator according to claim 1 is characterized in that: The driving member is a hydraulic cylinder (9), a hanger (8) is fixedly provided on one side of the ash hopper body (1), the tail end of the hydraulic cylinder (9) is hinged to the hanger (8), the telescopic end of the hydraulic cylinder (9) is connected to a U-shaped plate (10), a pin shaft (11) is fixedly provided on the U-shaped plate (10), both ends of the pin shaft (11) pass through the U-shaped plate (10) and are rotatably connected to the counterweight (12).

4. The ash lowering door device of the ash hopper of the pure oxygen gas generator according to claim 3 is characterized in that: A latch pin (7) is fixedly arranged on the hinge seat (6), and a middle portion of the arm (13) is rotatably sleeved on the latch pin (7).

5. The ash lowering door device of the ash hopper of the pure oxygen gas generator according to claim 3 is characterized in that: One end of the arm (13) is rotatably sleeved on the pin shaft (11), and the other end is provided with an adjustment assembly, the adjustment assembly comprising a fixing nut (19) and an adjustment bolt (20), the fixing nut (19) being fixedly arranged at the bottom of the arm (13), and the adjustment bolt (20) being threadedly connected to the fixing nut (19), and the upper end of which extends to the top of the arm (13).

6. The ash lowering door device of the ash hopper of the pure oxygen gas generator according to claim 1, characterized in that: An upper cover lip (4) is fixedly provided at the bottom inner edge of the lower ash opening upper cover (3); the diameter of the steel plate ring (18) is smaller than the diameter of the lower ash round door gasket (17); the lower ash round door gasket (17) and the steel plate ring (18) are bolted to the lower ash opening bottom cover (14).

7. The ash lowering door device of the ash hopper of the pure oxygen gas generator according to claim 1 is characterized in that: Two bottom plates (15) are arranged at intervals at the bottom of the lower ash outlet bottom cover (14), a second latch (16) is fixedly arranged between the two bottom plates (15), and the arm (13) is rotatably sleeved on the second latch (16).

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