CN111303912A - Coking coal charging car coal charging pipeline end sealing device and using method thereof - Google Patents

Abstract

The invention discloses a coal feeding pipeline end sealing device of a coking coal feeding car and a using method thereof. This sealing device passes through the sealing connection of keyway formula sealing ring and sliding key formula sealed cowling, when the coke oven adds the coal, descends to fire door top through lift cylinder control sealed cowling, seals up the protection to the fire door, adds the coal to the coke oven in seal space, prevents toxic gas and dust loss.

Description

Coking stoker car stoking pipe end sealing device and using method thereof

technical field

The invention relates to a sealing device, in particular to a sealing device for the end of a stoking pipeline of a coking stoker vehicle and a method for using the same.

Background technique

In the production process of the coke oven, due to technological requirements, coal powder needs to be continuously added during the production process. Therefore, a coal charging port is designed above the coke oven, and the charging is carried out through a special coal charging truck; a large amount of coal is generated in the coke oven production. Toxic gases, most of which are accumulated on the top of the coke oven, will be released through the coal feeding port when the lid is opened, and some pulverized coal will also escape from the furnace mouth during coal feeding, which not only pollutes the atmosphere, but also affects the Serious bodily injury to operator.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a sealing device at the end of the stoking pipeline of a coking stoker vehicle and a method of using the same. When the method is used to add coal to the coke oven, the operator can be protected from being hurt by toxic gas, and the health of the operator can be protected.

The technical scheme adopted by the present invention to solve the technical problem is as follows: a sealing device for the end of the stoking pipeline of a coking stoker vehicle, including a stoker pipe, a lifting component, a bracket, a sealing cover and a sealing ring, and a junction of the stoker pipe is provided above the junction. There is a bracket, a sealing ring is arranged under the bracket, the inner hole of the sealing ring is fixedly connected with the coal charging pipe, the outer part of the sealing ring is slidingly connected with the inner cavity of the sealing cover, and the two ends of the bracket are respectively provided with There is a lifting component for controlling the movement of the sealing cover, and the lower end of the lifting component is connected with the outer wall of the sealing cover.

Further, the sealing ring includes a cylindrical ring body and an inner concave chute, the outer circumferential wall of the ring body is longitudinally uniformly provided with a plurality of chute grooves that are matched with the sealing cover, and the upper end of the chute has an open bottom. end closed.

Further, the sealing cover includes a cover body, a connecting plate, an observation window and a sliding key. The upper side wall of the inner cavity of the cover is evenly provided with a plurality of sliding keys that are slidably connected to the sliding grooves on the outer wall of the sealing ring. Corresponding sides of the upper end are respectively provided with connecting plates connected with the lifting components, and the side walls of the lower end of the cover are provided with observation windows, and the openings of the observation windows are slidably connected to the door panels.

Further, two ends of the bracket are respectively provided with U-shaped ports connected with the lifting components, and the lifting components are clamped and fixedly connected with the U-shaped ports.

Further, the lifting component is a lifting cylinder for controlling the up and down movement of the sealing cover, the cylinder body of the lifting cylinder is connected with the bracket, and the free end of the cylinder rod of the lifting cylinder is connected with the sealing cover.

The method for using the sealing device at the end of the stoking pipeline of a coking stoking vehicle includes the following steps:

(1) Assemble the bracket, the lifting part, the sealing ring and the sealing cover, and fix it on the stoker pipe of the stoker;

(2) When working, the stoker truck moves to the top of the furnace cover, and the sealing cover moves down to the top of the stoker under the action of the lifting component;

(3) The operator uses a tool to remove the furnace cover on the coal charging port through the work observation door on the sealing cover, and then lowers the coal charging pipe to the furnace mouth. During the process of the coal charging pipe falling, the sealing ring and the sealing cover The sliding key and the sliding groove cooperate to slide to ensure the smooth and tightness of the up and down operation of the sealing cover when it is working;

(4) When coal feeding begins, the operator closes the work observation door at the bottom of the sealing cover. When coal feeding ends, the sealing cover rises with the coal feeding pipe, and the operator restores the furnace cover and the coal feeding ends.

The beneficial effects of the present invention are:

1. The sealing device of the present invention is sealed with a keyway type sealing ring and a sliding key type sealing cover. When coal is charged in the coke oven, the sealing cover is controlled to be lowered to the top of the furnace mouth by the lifting and lowering cylinder, and the furnace mouth is sealed and protected. The coke oven is charged with coal in the space to prevent the escape of toxic gas and dust.

2. By setting a working observation window on the lower end side of the sealing cover, the furnace mouth is sealed and protected by the sealing cover, and then the furnace cover is removed by using tools through the observation window, so that the furnace cover can be kept in the smallest space possible. Open to prevent the escape of toxic gases and dust.

Description of drawings

Fig. 1 is the front view of the present invention;

Fig. 2 is the axonometric view of Fig. 1;

Fig. 3 is the axonometric view of another angle of Fig. 1;

Figure 4 is a front view of the sealing cover;

Fig. 5 is the axonometric view of Fig. 4;

Fig. 6 is the axonometric view of another angle of Fig. 4;

Figure 7 is a front view of the sealing ring;

Fig. 8 is the axonometric view of Fig. 7;

FIG. 9 is a schematic view of the structure of the bracket installed on the coal feeding pipe.

In the picture:

1. Coal feeding pipe, 2. Lifting cylinder, 3. Bracket, 4. Seal cover, 41. Cover body, 42. Connecting plate, 43. Observation window, 44. Door panel, 45. Slide key, 5. Seal ring, 51. Ring body, 52. Chute.

Detailed ways

Referring to the accompanying drawings in the description, the sealing device for the end of the stoking pipeline of a coking stoker vehicle and its use method of the present invention will be described in detail below.

As shown in FIG. 1 to FIG. 9 , the sealing device for the end of the stoking pipeline of a coking stoker vehicle of the present invention includes a stoker pipe 1 , a lifting component, a bracket 3 , a sealing cover 4 and a sealing ring 5 . A bracket 3 is arranged above the junction, and the end of the lower end of the bracket 3 is equipped with a keyway type sealing ring 5. The sealing ring is separated from the bracket by a certain distance, and its function is to cooperate with the sealing cover and form a sealed environment inside. The inner hole of the sealing ring is fixedly connected with the coal feeding pipe 1, so that the sealing ring and the coal feeding pipe move at the same time, so as to ensure the smoothness of movement. The outer part of the sealing ring 5 is in sliding connection with the inner cavity of the sealing cover 4 , the two ends of the bracket 3 are respectively provided with lifting parts for controlling the movement of the sealing cover, and the lower ends of the lifting parts are connected with the outer wall of the sealing cover. The lifting part controls the downward movement of the sealing cover, and the cover is above the furnace cover before coal charging.

As shown in Figures 7 and 8, the sealing ring 5 includes a cylindrical ring body 51 and a concave chute 52. The outer circumferential wall of the ring body is longitudinally uniformly provided with a plurality of chute grooves that are matched and connected to the sealing cover. The upper end of the chute is open and the bottom end is closed. By closing the bottom end of the chute, when the coal feeding is finished, the coal feeding pipe rises and simultaneously drives the sealing ring to rise. Since the sealing ring and the sealing cover cooperate with the sliding key through the chute, the sealing ring can pass through the closed bottom end after it rises. The sealing cover is raised together, so that when the coal feeding pipe rises, the sealing ring and the sealing cover are simultaneously raised.

As shown in FIGS. 4 , 5 and 6 , the sealing cover 4 includes a cover body 41 , a connecting plate 42 , an observation window 43 and a sliding key 45 . The sliding groove is matched with the sliding key of the sliding connection. The upper end of the cover body is provided with connecting plates connected to the lifting part on the corresponding two sides. The free end of the connecting plate is provided with mounting holes, and the lower end of the lifting part is fixed with the connecting plate by bolts. An observation window is provided on the side wall of the lower end of the cover body, and the opening of the observation window is slidably connected to the door panel 44 . Sliding the door panel upwards opens the viewing window for easy removal of the furnace cover.

Both ends of the bracket are respectively provided with U-shaped ports connected with the lifting components, and the lifting components are clamped and fixedly connected with the U-shaped ports. The lifting component can be a lifting cylinder 2 for controlling the up and down movement of the sealing cover, the cylinder body 2 of the lifting cylinder is connected with the bracket 3, and the free end of the cylinder rod of the lifting cylinder is connected with the sealing cover.

The method of using the sealing device for the end of the stoking pipeline of a coking stoking vehicle and the method for using the same includes the following steps:

(1) Assemble the bracket, the lifting parts, the sealing ring and the sealing cover, and fix it on the stoker pipe of the stoker.

(2) When working, the stoker truck moves to the top of the furnace cover, and the sealing cover moves down to the top of the stoker under the action of the lifting component.

(3) The operator uses a tool to remove the furnace cover on the coal charging port through the work observation door on the sealing cover, and then lowers the coal charging pipe to the furnace mouth. During the process of the coal charging pipe falling, the sealing ring and the sealing cover Through the sliding key and the sliding groove, the smooth and tightness of the up and down operation of the sealing cover is ensured.

(4) When coal feeding begins, the operator closes the work observation door at the bottom of the sealing cover. When coal feeding ends, the sealing cover rises with the coal feeding pipe, and the operator restores the furnace cover and the coal feeding ends.

Example 1

(1) Assemble the bracket, the lifting parts, the sealing ring and the sealing cover, and fix it on the stoker pipe of the stoker.

(2) When working, the stoker truck moves to the top of the furnace cover, and the sealing cover moves down to the top of the stoker under the action of the lifting component;

(3) The operator uses the tool to remove the furnace cover on the coal feeding port through the work observation door on the sealing cover, and then lowers the coal feeding pipe. The lowering of the coal feeding pipe is realized by the original lifting mechanism on the coal feeding truck. , the lifting mechanism is an existing mature technology, and will not be elaborated too much. When the coal feeding pipe descends, it drives the bracket and the sealing ring to descend together. The lifting cylinder and the controller of the main control room can be connected by wire or wireless. When the coal feeding pipe descends, the controller sends a signal, and the cylinder of the lifting cylinder receives the signal and returns the The cylinder body can be lowered together with the coal feeding pipe and the bracket.

(4) When coal feeding begins, the operator closes the work observation door at the bottom of the sealing cover. When coal feeding ends, the sealing cover rises with the coal feeding pipe, and the operator restores the furnace cover and the coal feeding ends.

The sealing device of the invention is provided with a sealing connection between the sealing ring and the sealing cover, and can protect the coal feeding port when the coke oven is charged with coal, and the coke oven is charged with coal in the sealed space to prevent the escape of toxic gas and dust. .

The above is only to illustrate some principles of the present invention. This specification is not intended to limit the present invention to the specific structure and scope of application shown. Therefore, all the corresponding modifications and equivalents that may be used are It belongs to the scope of the patent applied for by the present invention.

Except for the technical features described in the description, other technical features are known technologies by those skilled in the art.

Claims (6)

1. the end sealing device of the stoker stoker pipeline of the coking stoker, comprising a stoker pipe, is characterized in that, comprises a lifting component, a support, a sealing cover and a sealing ring, the top of the junction of the described stoker pipe is provided with a support, the described support There is a sealing ring below the sealing ring, the inner hole of the sealing ring is fixedly connected with the coal charging pipe, the outer part of the sealing ring is slidingly connected with the inner cavity of the sealing cover, and the two ends of the bracket are respectively provided with control the movement of the sealing cover. A lifting component, the lower end of the lifting component is connected with the outer wall of the sealing cover. 2 . The sealing device for the end of the stoking pipeline of a coking stoker vehicle according to claim 1 , wherein the sealing ring comprises a cylindrical ring body and an inner concave chute, and the outer circumferential wall of the ring body A plurality of chutes are uniformly arranged in the longitudinal direction, which are matched and connected with the sealing cover, and the upper ends of the chutes are open and the bottom ends are closed. 3. The sealing device for the end of the stoking pipeline of a coking stoker vehicle according to claim 1 or 2, wherein the sealing cover comprises a cover body, a connecting plate, an observation window and a sliding key, and the upper part of the inner cavity of the cover body The side wall is evenly provided with a plurality of sliding keys which are matched and slidably connected with the sliding grooves of the outer wall of the sealing ring. The upper end of the cover body is provided with connecting plates connected with the lifting components on the corresponding two sides, and the side wall of the lower end of the cover body is provided with an observation window. The opening of the observation window is slidably connected to the door panel. 4 . The sealing device for the end of the stoking pipeline of a coking stoker vehicle according to claim 1 , wherein the two ends of the bracket are respectively provided with U-shaped openings connected to the lifting components, and the lifting components are connected to the U-shaped openings respectively. 5 . The port card is firmly connected. 5. The sealing device for the end of the stoking pipeline of a coking stoker vehicle according to claim 1, wherein the lifting component is a lifting cylinder for controlling the up and down movement of the sealing cover, and the cylinder body of the lifting cylinder is connected with the bracket, The free end of the cylinder rod of the lifting cylinder is connected with the sealing cover. 6. The method for using the sealing device for the end of the stoking pipeline of a coking stoking vehicle according to any one of claims 1 to 5, wherein the method comprises the following steps: (1) Assemble the bracket, the lifting part, the sealing ring and the sealing cover, and fix it on the stoker pipe of the stoker; (2) When working, the stoker truck moves to the top of the furnace cover, and the sealing cover moves down to the top of the stoker under the action of the lifting component; (3) The operator uses a tool to remove the furnace cover on the coal charging port through the work observation door on the sealing cover, and then lowers the coal charging pipe to the furnace mouth. During the process of the coal charging pipe falling, the sealing ring and the sealing cover The sliding key and the sliding groove cooperate to slide to ensure the smooth and tightness of the up and down operation of the sealing cover when it is working; (4) When coal feeding begins, the operator closes the work observation door at the bottom of the sealing cover. When coal feeding ends, the sealing cover rises with the coal feeding pipe, and the operator restores the furnace cover and the coal feeding ends.

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