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CN111303912B - Coking coal-feeding vehicle coal-feeding pipeline end sealing device and use method thereof - Google Patents

Coking coal-feeding vehicle coal-feeding pipeline end sealing device and use method thereof Download PDF

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Publication number
CN111303912B
CN111303912B CN202010259748.9A CN202010259748A CN111303912B CN 111303912 B CN111303912 B CN 111303912B CN 202010259748 A CN202010259748 A CN 202010259748A CN 111303912 B CN111303912 B CN 111303912B
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coal
sealing
sealing cover
cover
sealing ring
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CN111303912A (en
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张戈
曾晖
董洪壮
陈万福
李雪涛
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Shandong Iron and Steel Co Ltd
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Shandong Iron and Steel Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B31/00Charging devices

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Coke Industry (AREA)

Abstract

本发明公开了焦化加煤车加煤管路末端密封装置及其使用方法,包括加煤管、升降部件、支架、密封罩和密封环,所述加煤管的路口上方设有支架,所述支架的下方设有密封环,所述密封环的内孔与加煤管固连,所述密封环的外部与密封罩内腔配合滑动连接,所述支架的两端分别设有控制密封罩移动的升降部件,所述升降部件的下端与密封罩外壁连接。该密封装置通过键槽式密封环与滑键式密封罩的密封连接,在焦炉加煤时,通过升降气缸控制密封罩下降至炉口上方,对炉口进行密封防护,在密封空间内对焦炉进行加煤,防止有毒气体和粉尘逸散。

The present invention discloses a sealing device for the end of the coaling pipeline of a coking coaling vehicle and a method for using the same, comprising a coaling pipe, a lifting component, a bracket, a sealing cover and a sealing ring. A bracket is provided above the intersection of the coaling pipe, a sealing ring is provided below the bracket, the inner hole of the sealing ring is fixedly connected to the coaling pipe, the outer portion of the sealing ring is slidably connected with the inner cavity of the sealing cover, lifting components for controlling the movement of the sealing cover are provided at both ends of the bracket, and the lower end of the lifting component is connected to the outer wall of the sealing cover. The sealing device is sealed by a keyway sealing ring and a sliding key sealing cover. When the coke oven is charged with coal, the sealing cover is controlled to descend to the top of the furnace mouth by a lifting cylinder to seal and protect the furnace mouth, and the coke oven is charged with coal in a sealed space to prevent toxic gas and dust from escaping.

Description

End sealing device of coal feeding pipeline of coking coal feeding vehicle and application method thereof
Technical Field
The invention relates to a sealing device, in particular to a sealing device for the tail end of a coal feeding pipeline of a coking coal feeding vehicle and a using method thereof.
Background
In the production process of the coke oven, coal dust is required to be continuously added in the production process due to the process requirement, a coal feeding port is designed above the coke oven and is filled by a special coal feeding vehicle, a large amount of toxic gases are generated in the production of the coke oven, most of the gases are accumulated on the top of the coke oven, when a furnace cover is opened, the gases are released through the coal feeding port, and meanwhile, some coal dust can escape from the furnace mouth during coal feeding, so that the air is polluted, and serious harm is caused to the body of an operator.
Disclosure of Invention
The invention aims to provide a sealing device for the tail end of a coal feeding pipeline of a coking coal feeding vehicle and a use method thereof. When the method is used for adding coal into the coke oven, operators can be protected from being injured by toxic gas, and the health of the operators is protected.
The technical scheme includes that the end sealing device of the coal feeding pipeline of the coking coal feeding vehicle comprises a coal feeding pipe, lifting parts, a support, a sealing cover and a sealing ring, wherein the support is arranged above a crossing of the coal feeding pipe, the sealing ring is arranged below the support, an inner hole of the sealing ring is fixedly connected with the coal feeding pipe, the outer part of the sealing ring is in matched sliding connection with an inner cavity of the sealing cover, the lifting parts for controlling the movement of the sealing cover are respectively arranged at two ends of the support, and the lower end of the lifting part is connected with the outer wall of the sealing cover.
Further, the sealing ring comprises a cylindrical ring body and a concave chute, wherein a plurality of chutes which are matched and connected with the sealing cover are longitudinally and uniformly arranged on the outer circumferential wall of the ring body, and the bottom end of the opening at the upper end of the chute is closed.
Further, the sealed cowling includes the cover body, connecting plate, observation window and feather key, cover body inner chamber upper portion lateral wall evenly is equipped with a plurality of feather keys with spout cooperation sliding connection of sealing ring outer wall, cover body upper end corresponds both sides and is equipped with the connecting plate of being connected with lifting unit respectively, and cover body lower extreme lateral wall is equipped with the observation window, observation window opening part sliding connection door plant.
Further, the two ends of the support are respectively provided with a U-shaped opening connected with the lifting component, and the lifting component is fixedly connected with the U-shaped opening in a clamping way.
Further, the lifting component is a lifting air cylinder for controlling the sealing cover to move up and down, the cylinder body of the lifting air cylinder is connected with the bracket, and the free end of the cylinder rod of the lifting air cylinder is connected with the sealing cover.
The application method of the end sealing device of the coal feeding pipeline of the coking coal feeding vehicle comprises the following steps:
(1) Assembling the bracket, the lifting part, the sealing ring and the sealing cover, and fixing the bracket, the lifting part, the sealing ring and the sealing cover on a coal feeding pipe of the coal feeding vehicle;
(2) When the coal charging vehicle works, the coal charging vehicle moves to the upper part of the furnace cover, and the sealing cover moves downwards to the upper part of the coal charging port under the action of the lifting part;
(3) An operator removes a furnace cover on the coal feeding port through a working observation door on the sealing cover by using a tool, then descends the coal feeding pipe into the furnace port, and ensures the stability and the tightness of the up-and-down operation of the sealing cover during the descending process of the coal feeding pipe because the sealing ring and the sealing cover slide with the sliding chute in a matched manner through the sliding key;
(4) When the coal feeding starts, an operator closes the working observation door at the bottom of the sealing cover, and when the coal feeding ends, the sealing cover rises along with the coal feeding pipe, the operator recovers the furnace cover, and the coal feeding ends.
The beneficial effects of the invention are as follows:
1. The sealing device is in sealing connection with the sliding key type sealing cover through the key groove type sealing ring, when the coke oven is charged with coal, the sealing cover is controlled to descend to the position above the oven mouth through the lifting cylinder, the oven mouth is sealed and protected, the coke oven is charged with coal in a sealing space, and toxic gas and dust are prevented from escaping.
2. Through setting up the work observation window in sealed cowling's lower extreme one side, lead to the sealed cowling earlier and seal the protection to the fire door, then use the instrument to remove the bell through the observation window, realized that the bell opens in the space as little as possible, prevent the efflux of poisonous gas and dust.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an isometric view of FIG. 1;
FIG. 3 is an isometric view of the other angle of FIG. 1;
FIG. 4 is a front view of the seal housing;
FIG. 5 is an isometric view of FIG. 4;
FIG. 6 is an isometric view of the other angle of FIG. 4;
FIG. 7 is a front view of the seal ring;
FIG. 8 is an isometric view of FIG. 7;
fig. 9 is a schematic view of a structure in which a bracket is mounted on a coal charging pipe.
In the figure:
1 coal feeding pipe, 2 lifting cylinder, 3 support, 4 sealing cover, 41 cover body, 42 connecting plate, 43 observation window, 44 door plate, 45 sliding key, 5 sealing ring, 51 ring body and 52 chute.
Detailed Description
The end sealing device of the coal feeding pipeline of the coking coal feeding vehicle and the using method thereof are described in detail below with reference to the attached drawings.
As shown in fig. 1 to 9, the end sealing device of the coal feeding pipeline of the coking coal feeding vehicle comprises a coal feeding pipe 1, a lifting part, a support 3, a sealing cover 4 and a sealing ring 5, wherein the support 3 is arranged above the intersection of the coal feeding pipe 1, the end of the coal feeding port at the lower end of the support 3 is provided with a key slot type sealing ring 5, and the sealing ring is spaced from the support by a certain distance and is used for being matched with the sealing cover and forming 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 simultaneously, and the moving stability is ensured. The outside of sealing ring 5 and sealed cowling 4 inner chamber cooperation sliding connection, the both ends of support 3 are equipped with the elevating component that control sealed cowling removed respectively, elevating component's lower extreme is connected with sealed cowling outer wall. The lifting part controls the sealing cover to move downwards, and the sealing cover is covered above the furnace cover before coal is added.
As shown in fig. 7 and 8, the seal ring 5 comprises a cylindrical ring body 51 and an inward concave chute 52, wherein a plurality of chutes which are matched and connected with the seal cover are longitudinally and uniformly arranged on the outer circumferential wall of the ring body, and the upper end of each chute is opened and the bottom end of each chute is closed. Through sealing the spout bottom, when the coal charging is finished, drive the sealing ring and rise when adding the coal pipe and rise, because sealing ring and sealed cowling pass through spout and feather key cooperation, can rise the sealed cowling simultaneously through confined bottom after the sealing ring rises, drive sealing ring and sealed cowling and rise simultaneously when realizing adding the coal pipe and rising.
As shown in fig. 4,5 and 6, the sealing cover 4 comprises a cover body 41, a connecting plate 42, an observation window 43 and a sliding key 45, wherein a plurality of sliding keys which are matched with sliding grooves on the outer wall of the sealing ring are uniformly arranged on the side wall of the upper portion of the inner cavity of the cover body, the corresponding two sides of the upper end of the cover body are respectively provided with a connecting plate connected with a lifting part, the free end of the connecting plate is provided with a mounting hole, and the lower end of the lifting part is fixed with the connecting plate through bolts. The side wall of the lower end of the cover body is provided with an observation window, and the opening of the observation window is in sliding connection with a door plate 44. The observation window can be opened by sliding the door plate upwards, so that the furnace cover can be conveniently moved away.
The two ends of the bracket are respectively provided with a U-shaped opening connected with the lifting part, and the lifting part is fixedly connected with the U-shaped opening in a clamping way. The lifting component can be a lifting air cylinder 2 for controlling the sealing cover to move up and down, the cylinder body 2 of the lifting air cylinder is connected with the bracket 3, and the free end of the cylinder rod of the lifting air cylinder is connected with the sealing cover.
The application method of the end sealing device of the coal feeding pipeline of the coking coal feeding vehicle and the application method thereof comprises the following steps:
(1) Assembling the bracket, the lifting part, the sealing ring and the sealing cover, and is fixed on a coal feeding pipe of the coal feeding vehicle.
(2) When the coal feeding vehicle works, the coal feeding vehicle moves to the upper part of the furnace cover, and the sealing cover moves downwards to the upper part of the coal feeding port under the action of the lifting part.
(3) And an operator observes the door through the work on the sealing cover, removes the furnace cover on the coal feeding port by using a tool, then descends the coal feeding pipe into the furnace port, and ensures the stability and the tightness of the up-and-down operation of the sealing cover during the operation of the sealing cover due to the fact that the sealing ring and the sealing cover slide in a matched manner with the sliding chute during the descending process of the coal feeding pipe.
(4) When the coal feeding starts, an operator closes the working observation door at the bottom of the sealing cover, and when the coal feeding ends, the sealing cover rises along with the coal feeding pipe, the operator recovers the furnace cover, and the coal feeding ends.
Example 1
(1) Assembling the bracket, the lifting part, the sealing ring and the sealing cover, and is fixed on a coal feeding pipe of the coal feeding vehicle.
(2) When the coal charging vehicle works, the coal charging vehicle moves to the upper part of the furnace cover, and the sealing cover moves downwards to the upper part of the coal charging port under the action of the lifting part;
(3) The operator removes the bell on the mouth of adding coal through the work observation door on the sealed cover, uses the instrument, then descends the coal pipe that adds, and the decline of coal pipe realizes descending action through the last original elevating system of coal car that adds, and this elevating system is current mature technique, does not explain too much. The coal feeding pipe descends and drives the support and the sealing ring to descend together, the lifting cylinder and the controller of the master control chamber can be connected in a wired or wireless mode, when the coal feeding pipe descends, the controller sends out signals, the cylinder body of the lifting cylinder receives the signals and then retracts, and the cylinder body descends along with the coal feeding pipe and the support.
(4) When the coal feeding starts, an operator closes the working observation door at the bottom of the sealing cover, and when the coal feeding ends, the sealing cover rises along with the coal feeding pipe, the operator recovers the furnace cover, and the coal feeding ends.
The sealing device is in sealing connection with the sealing cover through the sealing ring, when the coke oven is charged with coal, the coal charging port can be protected, and the coke oven is charged with coal in the sealing space, so that toxic gas and dust are prevented from escaping.
The foregoing is provided by way of illustration of the principles of the present invention, and is not intended to be limited to the specific constructions and applications illustrated herein, but rather to all modifications and equivalents which may be utilized as fall within the scope of the invention as defined in the claims.
The technical features are known to those skilled in the art except the technical features described in the specification.

Claims (3)

1.焦化加煤车加煤管路末端密封装置,包括加煤管,其特征是,包括升降部件、支架、密封罩和密封环,所述加煤管的出口上方设有支架,所述支架的下方设有密封环,所述密封环的内孔与加煤管固连,所述密封环的外部与密封罩内腔配合滑动连接,所述支架的两端分别设有控制密封罩移动的升降部件,所述升降部件的下端与密封罩外壁连接;所述密封环包括圆柱形的环体和内凹式滑槽,所述环体的外圆周壁纵向均匀设有多个与密封罩配合连接的滑槽,所述滑槽的上端开口底端封闭;所述密封罩包括罩体、连接板、观察窗和滑键,所述罩体内腔上部侧壁均匀设有多个与密封环外壁的滑槽配合滑动连接的滑键,所述罩体上端对应两侧分别设有与升降部件连接的连接板,罩体下端侧壁设有观察窗,所述观察窗开口处滑动连接门板;通过把滑槽底端封闭,当加煤结束时,加煤管上升的同时带动密封环上升,由于密封环与密封罩通过滑槽与滑键配合,当密封环上升后通过封闭的底端能将密封罩一同上升,实现加煤管上升的同时带动密封环和密封罩同时上升;所述升降部件为控制密封罩上下移动的升降气缸,所述升降气缸的缸体与支架连接,所述升降气缸的缸杆自由端与密封罩连接。1. A sealing device for the end of a coal-feeding pipeline of a coking coal-feeding truck, comprising a coal-feeding pipe, characterized in that it comprises a lifting component, a bracket, a sealing cover and a sealing ring, a bracket is provided above the outlet of the coal-feeding pipe, a sealing ring is provided below the bracket, the inner hole of the sealing ring is fixedly connected to the coal-feeding pipe, the outer part of the sealing ring is slidably connected with the inner cavity of the sealing cover, lifting components for controlling the movement of the sealing cover are respectively provided at both ends of the bracket, and the lower end of the lifting component is connected with the outer wall of the sealing cover; the sealing ring comprises a cylindrical ring body and an inner concave slide groove, the outer circumferential wall of the ring body is evenly longitudinally provided with a plurality of slide grooves that cooperate with the sealing cover, the upper end of the slide groove is open and the lower end is closed; the sealing cover comprises a cover body, a connecting plate, an observation window and a sliding key, the cover The upper side wall of the body cavity is evenly provided with a plurality of sliding keys that are slidably connected with the sliding groove of the outer wall of the sealing ring. The corresponding two sides of the upper end of the cover body are respectively provided with connecting plates connected with the lifting component. The side wall of the lower end of the cover body is provided with an observation window, and the opening of the observation window is slidably connected with the door panel. By closing the bottom end of the sliding groove, when the coal is added, the coal adding pipe rises and drives the sealing ring to rise at the same time. Since the sealing ring and the sealing cover cooperate with each other through the sliding groove and the sliding key, when the sealing ring rises, the sealing cover can be raised together through the closed bottom end, so that the coal adding pipe rises and drives the sealing ring and the sealing cover to rise at the same time. The lifting component is a lifting cylinder that controls the up and down movement of the sealing cover. The cylinder body of the lifting cylinder is connected to the bracket, and the free end of the cylinder rod of the lifting cylinder is connected to the sealing cover. 2.根据权利要求1所述的焦化加煤车加煤管路末端密封装置,其特征是,所述支架的两端分别设有与升降部件连接的U形口,所述升降部件与U形口卡接固连。2. The sealing device for the end of the coaling pipeline of a coking coal charging vehicle according to claim 1, characterized in that two ends of the bracket are respectively provided with U-shaped openings connected to the lifting component, and the lifting component is fixedly connected to the U-shaped openings by clamping. 3.根据权利要求1至2任意一项所述的焦化加煤车加煤管路末端密封装置的使用方法,其特征是,包括如下步骤:3. The method for using the sealing device for the end of the coaling pipeline of a coking coaling vehicle according to any one of claims 1 to 2, characterized in that it comprises the following steps: (1)、将支架、升降部件、密封环和密封罩进行组装,并固定在加煤车的加煤管上;(1) Assemble the bracket, lifting component, sealing ring and sealing cover, and fix them on the coal charging pipe of the coal charging car; (2)、工作时,加煤车移动到炉盖上方,密封罩在升降部件的作用下向下移动至加煤口上方;(2) During operation, the coal charging car moves to the top of the furnace cover, and the sealing cover moves downward to the top of the coal charging port under the action of the lifting component; (3)、操作人员通过密封罩上的工作观察门,使用工具将加煤口上的炉盖移走,然后下降加煤管至炉口内,加煤管下降的过程中,由于密封环与密封罩通过滑键与滑槽配合滑动,保证密封罩工作时上下运行的平稳及密封性;(3) The operator uses a tool to remove the furnace cover on the coal-feeding port through the working observation door on the sealing cover, and then lowers the coal-feeding pipe into the furnace port. During the lowering of the coal-feeding pipe, the sealing ring and the sealing cover slide together through the sliding key and the sliding groove, ensuring the smooth and tight operation of the sealing cover when working. (4)、加煤开始时,操作人员将密封罩底部的工作观察门关闭,加煤结束时,密封罩随加煤管一起上升,操作人员将炉盖复原,加煤结束。(4) When coal adding starts, the operator closes the working observation door at the bottom of the sealing cover. When coal adding ends, the sealing cover rises together with the coal adding pipe, and the operator restores the furnace cover, and coal adding ends.
CN202010259748.9A 2020-04-03 2020-04-03 Coking coal-feeding vehicle coal-feeding pipeline end sealing device and use method thereof Active CN111303912B (en)

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