CN218710161U

CN218710161U - Dry quenching full-sealed coke discharging chute

Info

Publication number: CN218710161U
Application number: CN202222835648.3U
Authority: CN
Inventors: 刁云宇; 钱华光; 肖建生; 文相浩
Original assignee: Acre Coking and Refractory Engineering Consulting Corp MCC
Current assignee: Acre Coking and Refractory Engineering Consulting Corp MCC
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-03-24
Anticipated expiration: 2032-10-27

Abstract

The utility model relates to a coke dry quenching full-sealing coke discharging chute, a chute body consists of a feeding chute and a bifurcated chute, the top of the feeding chute is provided with a feeding hole, and the bottom of the bifurcated chute is provided with 2 discharge ports; the feeding chute and the branched chute are respectively internally provided with a nest structure, and the branched chute is also provided with a sector gate and a dust removal interface; the fan-shaped gate comprises fan-shaped flashboard and the flashboard drive arrangement who is used for driving fan-shaped flashboard, and 2 fan-shaped flashboards correspond and install in the branching chute of 2 bin outlet tops, and the outside of fan-shaped flashboard is sealed through fan-shaped sealed cowling. The utility model is provided with the nest structures in the feeding chute and the branched chute respectively, and is matched with the fan-shaped gate in the branched chute, thereby effectively reducing the falling loss rate of coke during dry quenching discharge, and having simple integral structure and convenient maintenance; and a dust removal interface is arranged outside the forked chute, so that dust during coke discharge is effectively reduced.

Description

Dry quenching full-sealed coke discharging chute

Technical Field

The utility model relates to a dry coke quenching technical field especially relates to a dry coke quenching totally enclosed row burnt chute.

Background

The dry quenching process is that red coke pushed out by the coke oven is sent into a dry quenching furnace, cooled by inert circulating gas and continuously discharged by a rotary sealing valve. The discharged dry quenched coke is at a temperature of about 200 ℃ and mixed with a quantity of sulfur-containing inert gas. At present, a coke discharging device of a domestic dry quenching system usually adopts an electro-hydraulic flap-type forked chute, has the advantages of good sealing performance and has the defects of serious abrasion of a flap and a lining plate, high coke breakage rate, serious deviation of a belt conveyor at a bottom receiving point and large dust. High coke breakage rate causes economic loss and weight loss, and high dust emission causes severe production environment and high energy consumption for dust removal.

The Chinese utility model patent with the publication number of CN 209506765U discloses a belt chute of a coke dry quenching system, which comprises a feeding part, wherein the bottom of the feeding part is provided with two symmetrical inclined chutes, the inclined chutes are provided with gate valves, the bottoms of the inclined chutes are provided with discharging parts, a platform structure is arranged between the inclined chutes at two sides, and the horizontal projection of the inner cavity of the feeding part is completely positioned in the area of the platform structure; and a blanking buffer structure is arranged on the inner side of the discharging part. The utility model discloses be provided with the platform structure, this structure can make partly coke directly pile up structural at the platform, forms the shape of an swell, and the coke directly drops after getting into like this on piling up the coke of swell, and the coke that also gets into in advance can play the effect of a buffering to later coke, has avoided the coke to the inside direct striking of chute, great reduction to the inside wearing and tearing consumption of chute, prolonged life. Above-mentioned patent adopts platform structure and unloading buffer structure to be used for alleviateing the damage of falling to the coke, but its structure is comparatively complicated to jam takes place in unloading buffer structure department easily.

Disclosure of Invention

The utility model provides a coke dry quenching full-sealing coke discharging chute, which is characterized in that a nest structure is respectively arranged in a feeding chute and a branched chute, and a fan-shaped gate in the branched chute is matched, thereby effectively reducing the falling loss rate of coke during coke dry quenching discharge, and the coke dry quenching full-sealing coke discharging chute has simple integral structure and convenient maintenance; establish the dust removal interface in the branching chute outside, effectively reduce the raise dust when arranging the burnt.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a coke dry quenching full-sealed coke discharging chute comprises a chute body, wherein the chute body consists of an upper feeding chute and a lower forked chute, and the feeding chute is communicated with the forked chutes; the top of the feeding chute is provided with a feeding hole, and the bottom of the forked chute is provided with 2 discharge holes; the feeding chute and the branched chute are respectively internally provided with a nest structure, and the branched chute is also provided with a sector gate and a dust removal interface; the fan-shaped gate comprises fan-shaped flashboard and the flashboard drive arrangement who is used for driving fan-shaped flashboard, and 2 fan-shaped flashboards correspond and install in the branching chute of 2 bin outlet tops, and fan-shaped sealed cowling is passed through in the outside of fan-shaped flashboard sealed.

Further, a wear-resistant lining plate is arranged on the inner side of the chute body; the feeding chute and the branched chute are connected through a flange.

Further, the feeding chute is a vertical channel structure with a rectangular cross section, and the top opening of the bifurcated chute is connected with the bottom opening of the feeding chute.

Furthermore, the branched chutes consist of inclined section chutes and vertical section chutes; the upper end of the inclined section chute is connected with the feeding chute, the lower end of the inclined section chute is connected with the vertical section chute, and the bottom of the vertical section chute is provided with a discharge port; the fan-shaped flashboard is arranged in the chute of the inclined section, the outer side surface of the chute of the inclined section is provided with a fan-shaped sealing cover, and the fan-shaped sealing cover is connected with the side wall of the chute of the inclined section through a flange.

Furthermore, an overhaul manhole is formed in the fan-shaped sealing cover and is sealed through a detachable sealing cover plate.

Furthermore, the flashboard driving device consists of an actuating mechanism, a connecting rod and a rotating shaft; the actuating mechanism is installed outside the forked chute through the support, the actuating end of the actuating mechanism is connected with one end of the rotating shaft through the connecting rod, the other end of the rotating shaft extends into the forked chute, and the fan-shaped flashboard is installed on the rotating shaft in the forked chute.

Furthermore, the actuating mechanism comprises an electric actuating mechanism, a hydraulic actuating mechanism and an electro-hydraulic actuating mechanism.

Furthermore, the dust removal interface comprises a smoke dust collecting cover and an interface short pipe, the smoke dust collecting cover is of a quadrangular frustum structure, the large end of the smoke dust collecting cover is fixedly connected with the side wall of the forked chute, the small end of the smoke dust collecting cover is connected with one end of the interface short pipe, and the other end of the interface short pipe is connected with a dust removal device through a smoke dust conveying pipeline.

Compared with the prior art, the beneficial effects of the utility model are that:

1) The overall height of the coke discharging chute is reduced, and the weight and the cost of equipment are reduced;

2) After the overall height of the coke discharging chute is reduced, the elevation of the bottom of the coke dry quenching pit is improved, and the civil engineering cost is reduced;

3) The transfer fall of the coke passing through the coke discharge chute is reduced, the coke breakage rate is reduced, and the economic benefit of an enterprise is increased;

4) The design of the nest structure further reduces the transfer drop height of coke, the nest structure is used for realizing the local accumulation of materials, and the direct impact of the materials on the wear-resistant lining plate is reduced, so that the wear of the wear-resistant lining plate is slowed down;

5) The feeding chute and the branched chute adopt a split structure, so that the feeding chute and the branched chute are convenient to process, manufacture and install on site;

6) The opening and closing of the fan-shaped gate realizes the line-surface contact between the fan-shaped gate plate and the chute body, and reduces the probability of blocking coke at the gate due to material accumulation;

7) The fan-shaped gate is provided with a fan-shaped gate plate structure, can bear larger coke accumulation and impact and is not easy to damage;

8) When the coke passes through the coke discharging chute, the tail end speed is reduced, so that the generation amount of dust can be reduced, the dedusting air quantity is reduced, and the coke discharging chute is energy-saving and environment-friendly;

9) The reduction of the speed of the tail end of the coke can reduce the impact of the coke on the belt conveyor and reduce the deviation degree of the belt conveyor at the bottom receiving point;

10 Due to the arrangement of the dust removal interface, the interior of the coke discharging chute is kept in a micro negative pressure environment, and dust is effectively prevented from overflowing;

11 The fan-shaped sealing cover increases the whole sealing performance of the coke discharging chute, has good dust suppression effect, is beneficial to improving the operation environment and reducing the dust removal air quantity, and is energy-saving and environment-friendly.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of a dry quenching fully-sealed coke discharging chute of the utility model.

Description of reference numerals:

in the figure: 1. feeding inlet 2, feeding chute 3, flange 4, sector sealing cover 5, sealing cover plate 6, sector gate 7, actuating mechanism 8, dust removal interface 9, nest structure 10, branched chute 11 and discharging outlet

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1, the utility model discloses a dry quenching full-sealed coke discharging chute, which comprises a chute body, wherein the chute body comprises an upper feeding chute 2 and a lower forked chute 10, and the feeding chute 2 is communicated with the forked chute 10; the top of the feeding chute 2 is provided with a feeding hole 1, and the bottom of the bifurcated chute 10 is provided with 2 discharge holes 11; the feeding chute 2 and the branched chute 10 are respectively internally provided with a nest structure 9, and the branched chute 10 is also provided with a sector gate 6 and a dust removal interface 8; the fan-shaped gate 6 comprises fan-shaped flashboards and a flashboard driving device for driving the fan-shaped flashboards, 2 fan-shaped flashboards are correspondingly installed in the forked chute 10 above the 2 discharge ports, and the outer sides of the fan-shaped flashboards are sealed through fan-shaped sealing covers 4.

Further, a wear-resistant lining plate is arranged on the inner side of the chute body; the feed chute 2 is connected to the branch chute 10 by a flange 3.

Further, the feeding chute 2 is a vertical channel structure with a rectangular cross section, and the top opening of the bifurcated chute 10 is connected with the bottom opening of the feeding chute 2.

Further, the bifurcated chute 10 is composed of an inclined section chute and a vertical section chute; the upper end of the inclined section chute is connected with the feeding chute 2, the lower end of the inclined section chute is connected with the vertical section chute, and the bottom of the vertical section chute is provided with a discharge opening 11; in the slope section chute was located to fan-shaped flashboard, fan-shaped sealed cowling 4 was established to the lateral surface of slope section chute, and fan-shaped sealed cowling 4 passes through flange joint with the lateral wall of slope section chute.

Furthermore, an inspection manhole is formed in the fan-shaped sealing cover 4 and is sealed through a detachable sealing cover plate 5.

Further, the flashboard driving device consists of an actuating mechanism 7, a connecting rod and a rotating shaft; the actuating mechanism 7 is installed outside the forked chute 10 through a support, the action end of the actuating mechanism 7 is connected with one end of a rotating shaft through a connecting rod, the other end of the rotating shaft extends into the forked chute 10, and the fan-shaped gate plate is installed on the rotating shaft in the forked chute 10.

Further, the actuating mechanism 7 comprises an electric actuating mechanism, a hydraulic actuating mechanism and an electro-hydraulic actuating mechanism.

Furthermore, the dust removal connector 8 is composed of a smoke dust collecting cover and a connector short pipe, the smoke dust collecting cover is of a quadrangular frustum structure, the large end of the smoke dust collecting cover is fixedly connected with the side wall of the forked chute 10, the small end of the smoke dust collecting cover is connected with one end of the connector short pipe, and the other end of the connector short pipe is connected with a dust removal device through a smoke dust conveying pipeline.

A dry coke quenching omniseal row burnt chute is integrated at the chute originally internally with multiple functions, divides the material and adopts fan-shaped gate 6, and the coke adopts the long-pending nest buffer structure of two-stage (the first order is the long-pending nest structure in the feeding chute, and the second grade is the long-pending nest structure in the branching chute) when transporting through arranging the burnt chute, and the switching department of fan-shaped flashboard adopts fan-shaped sealed cowling 4 to realize sealing. Compared with the existing coke discharging chute capable of realizing the blanking buffering function, the coke discharging chute has the advantages that the structure is simplified, the equipment weight, the manufacturing cost and the operating cost are reduced, the dust suppression effect is good, the operation environment is favorably improved, the energy consumption is reduced, the abrasion of the lining plate is reduced, the deviation degree of the belt conveyor at the position of a bottom receiving point is reduced, the coke falling rate is reduced, and the enterprise benefit is increased.

The following examples are carried out on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following examples.

[ examples ] A method for producing a compound

As shown in fig. 1, in the present embodiment, the chute body is composed of an upper feeding chute 2 and a lower bifurcated chute 10, and the bifurcated chute 10 is provided with 2 discharge ports 11. The top of the feeding chute 2 is provided with a feeding hole which is connected with the outlet of a rotary seal valve at the bottom of the dry quenching device, the bottom opening of the feeding chute 2 is connected with the top opening of a forked chute 10, and the bottom of the forked chute is provided with 2 discharge holes 11 which are connected with the feeding end of a belt conveyor used for transporting coke outside in a sealing way.

The feeding chute 2 and the forked chute 10 are respectively provided with a nest structure 9 at a blanking point below the feeding port 1, and in the embodiment, the nest structure 9 is a grid-shaped nest structure formed by vertically and horizontally intersected baffles; the specific part and area of the nest structure 9 are determined according to the discharge amount and the discharge direction of a rotary seal valve in the dry quenching device. The nest structure 9 is a built-in buffer structure and is used for realizing the accumulation of coke at the position and reducing the direct impact of the coke on the wear-resistant lining plate and the falling loss of the coke.

One side of the forked chute 10 is provided with a dust removal interface 8; the dust removal interface 8 is externally connected with a dust removal device and is used for keeping the interior of the coke discharging chute in a micro-negative pressure environment and preventing dust from overflowing. In this embodiment, the dust removal interface 8 is composed of a smoke dust collecting cover and an interface short pipe, the smoke dust collecting cover is of a quadrangular frustum pyramid structure, the large end of the smoke dust collecting cover is fixedly connected with the side wall of the forked chute 10, the small end of the smoke dust collecting cover is connected with one end of the interface short pipe, and the other end of the interface short pipe is connected with a dust removal device through a smoke dust conveying pipeline.

The fan-shaped gate 6 comprises fan-shaped flashboard and the flashboard drive arrangement who is used for driving fan-shaped flashboard, and fan-shaped flashboard is 2, corresponds to install in 2 branching chutes, and fan-shaped sealed cowling 4 is sealed through in the outside of fan-shaped flashboard. The fan-shaped sealing cover 4 is a fan-shaped sealing structure matched with the fan-shaped flashboard and is used for increasing the overall sealing performance of the coke discharging chute. The special structure of the fan-shaped gate plate has a buffering function in the coke discharging process, so that the falling loss of coke is reduced; the opening and closing of the fan-shaped flashboard are controlled by the actuating mechanism 7, so that the reversing and the material distribution of the coke discharging are controlled. In this embodiment, the actuator 7 uses an electro-hydraulic push rod to provide power for opening and closing control of the fan-shaped shutter.

The maintenance manhole is seted up respectively in the outside of 2 fan-shaped sealed cowlings 4, and the maintenance manhole seals through sealed apron 5 during normal production, overhauls the fan-shaped gate through overhauing the manhole during operation and overhauls and maintain.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A coke dry quenching full-sealed coke discharging chute comprises a chute body, wherein the chute body consists of an upper feeding chute and a lower forked chute, and the feeding chute is communicated with the forked chutes; the top of the feeding chute is provided with a feeding hole, and the bottom of the bifurcated chute is provided with 2 discharge ports; the device is characterized in that the feeding chute and the branched chute are respectively internally provided with a nest structure, and the branched chute is also provided with a sector gate and a dust removal interface; the fan-shaped gate comprises fan-shaped flashboard and the flashboard drive arrangement who is used for driving fan-shaped flashboard, and 2 fan-shaped flashboards correspond and install in the branching chute of 2 bin outlet tops, and fan-shaped sealed cowling is passed through in the outside of fan-shaped flashboard sealed.

2. The dry quenching fully sealed coke discharging chute as claimed in claim 1, wherein the chute body is provided with a wear-resistant lining plate inside; the feeding chute and the branched chute are connected through a flange.

3. The dry quenching fully sealed coke discharge chute of claim 1 wherein the feed chute is a vertical channel structure with a rectangular cross section, and the top opening of the bifurcated chute meets the bottom opening of the feed chute.

4. The dry quenching fully sealed coke discharge chute of claim 1 wherein the bifurcated chute is comprised of an inclined section chute and a vertical section chute; the upper end of the inclined section chute is connected with the feeding chute, the lower end of the inclined section chute is connected with the vertical section chute, and the bottom of the vertical section chute is provided with a discharge port; the fan-shaped flashboard is arranged in the chute of the inclined section, the outer side surface of the chute of the inclined section is provided with a fan-shaped sealing cover, and the fan-shaped sealing cover is connected with the side wall of the chute of the inclined section through a flange.

5. The dry quenching fully sealed coke discharging chute as claimed in claim 1 or 4, wherein the sector sealing cover is provided with an inspection manhole, and the inspection manhole is sealed by a detachable sealing cover plate.

6. The dry quenching fully sealed coke discharge chute as claimed in claim 1, wherein the shutter drive means is comprised of an actuator, a link and a shaft; the actuating mechanism is installed outside the forked chute through the support, the actuating end of the actuating mechanism is connected with one end of the rotating shaft through the connecting rod, the other end of the rotating shaft extends into the forked chute, and the fan-shaped flashboard is installed on the rotating shaft in the forked chute.

7. The dry quenching fully sealed coke discharge chute of claim 6 wherein the actuators comprise electric actuators, hydraulic actuators and electro-hydraulic actuators.

8. The dry quenching fully-sealed coke discharging chute as claimed in claim 1, wherein the dust removing port is composed of a smoke collecting cover and a port short pipe, the smoke collecting cover is of a quadrangular frustum pyramid structure, the large end of the smoke collecting cover is fixedly connected with the side wall of the forked chute, the small end of the smoke collecting cover is connected with one end of the port short pipe, and the other end of the port short pipe is connected with a dust removing device through a smoke conveying pipeline.