CN210458051U

CN210458051U - Coke oven sealing dust removal system

Info

Publication number: CN210458051U
Application number: CN201920994318.4U
Authority: CN
Inventors: 任水长; 张英民
Original assignee: Shanxi Sunlight Coking Group Co ltd
Current assignee: Shanxi Sunlight Coking Group Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-05-05
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a coke oven sealed dust removal system, which comprises a totally-closed dust collecting shed, a collecting main pipe and a ground dust removal station, wherein the collecting main pipe comprises a first collecting main pipe and a second collecting main pipe, a coke oven surface and a peripheral device are arranged in the totally-closed dust collecting shed, a plurality of smoke dust collecting ports are arranged at the top of the totally-closed dust collecting shed, the rear part of each smoke dust collecting port is connected with a collecting branch pipe, the collecting branch pipes are connected with a collecting main pipe, the collecting branch pipes are arranged at the top outside the totally-closed dust collecting shed, and the collecting main pipe is arranged on a bracket at the outer side of the totally; a maintenance platform is arranged below the switch valve; the collecting main pipe is connected with the ground dust removing station through a dust outlet pipeline. The system performs centralized collection and purification on the smoke dust which cannot be completely collected due to the size limitation of the dust hood in the coke side unorganized discharge and coke discharging processes of the coke oven, and then discharges the smoke dust, thereby solving the problem of unorganized discharge of the coke side of the coke oven.

Description

Coke oven sealing dust removal system

Technical Field

The utility model relates to a coke oven seals dust pelletizing system belongs to coking production device technical field.

Background

The coke oven generates a large amount of dust-containing smoke during coal charging and coke discharging, and the dust-containing smoke is collected by a dust collecting device and enters a dust collecting dry pipe. The dust collecting main pipe is a flue gas channel and is used for conveying collected dust gas to a ground dust removal station from a flue gas outlet of the belt lifting vehicle.

The coke-discharging smoke dust designed by the original coke oven is collected by a dust hood of a coke guide and enters a dust collecting main pipe, and is sent to a coke-discharging ground station for purification, because the size of the dust hood limits the dust-removing efficiency to be insufficient, the coal-charging hole at the oven top is not tight, the ascending pipe is temporarily discharged, and in addition, in the production process, the situation that the inorganization discharge happens to the oven door part at the coke side is not timely managed when the oven door is opened and closed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a coke oven sealing dust removal system, which can intensively collect and purify the smoke dust which can not be completely collected in the coke oven coke side unorganized discharge and coke discharging process due to the size limitation of a dust hood, and solves the problem of unorganized discharge of the coke oven coke side.

The utility model discloses a following technical scheme realizes:

a sealed dust removal system for a coke oven comprises a fully-closed dust collecting shed, a collecting main pipe and a ground dust removal station, wherein the collecting main pipe comprises a first collecting main pipe and a second collecting main pipe, a coke oven surface and a peripheral device are arranged in the fully-closed dust collecting shed, a plurality of smoke dust collecting ports are formed in the top of the fully-closed dust collecting shed, the smoke dust collecting ports are divided into a plurality of first smoke dust collecting ports and a plurality of second smoke dust collecting ports, and each first smoke dust collecting port corresponds to one second smoke dust collecting port and is respectively corresponding to smoke dust collection at the same position and different heights;

the rear part of each first smoke dust collecting port is connected with a first collecting branch pipe, a first switch valve is arranged on each first collecting branch pipe, a plurality of first collecting branch pipes are connected with a first collecting main pipe, and a first fan is arranged on each first collecting main pipe;

the rear part of each second smoke dust collecting port is connected with a second collecting branch pipe, a second switch valve is arranged on each second collecting branch pipe, a plurality of second collecting branch pipes are connected with a second collecting main pipe, and a second fan is arranged on each second collecting main pipe;

the first collecting branch pipe and the second collecting branch pipe are arranged at the top outside the totally-enclosed dust collecting shed, and the first collecting main pipe and the second collecting main pipe are arranged on a bracket outside the totally-enclosed dust collecting shed;

the second switch valve is adjacent to the first switch valve, and a maintenance platform is arranged below the first switch valve and the second switch valve;

the first collection is responsible for and the second is collected and is responsible for and connect the ground dust removal station through going out the dirt pipeline, it is provided with the cold wind mouth on the dirt pipeline to go out, first collection is responsible for and the second is collected and is responsible for and go out the dirt pipeline junction and all be provided with the ooff valve.

The first smoke dust collecting port and the second smoke dust collecting port respectively comprise a coal charging smoke dust collecting port above a coal charging vehicle, a coke blocking smoke dust collecting port above a coke blocking machine, a coke discharging smoke dust collecting port at the coke side of a coke oven, a top smoke dust collecting port at the top of the totally-closed dust collecting shed and a side smoke dust collecting port at the side part of the totally-closed dust collecting shed.

The switch valve, the second switch valve and the first switch valve are flap valves.

The flap valve comprises a valve body and a valve plate, wherein a sealing ring belt is arranged on the periphery of the valve plate, and a high-temperature-resistant high-elasticity sealing filler is arranged in the sealing ring belt.

The high-temperature resistant high-elasticity sealing filler is a rubber asbestos packing material.

Compared with the prior art, the utility model discloses following beneficial effect has:

the outer side of a dust collecting main pipe of the coke discharging and dust removing system is sealed from the surface of the coke oven by a totally-closed dust collecting shed, meanwhile, a dust collecting pipeline is additionally arranged on the totally-closed dust collecting shed, smoke dust is collected to a ground station in a centralized manner and is discharged after being purified in a centralized manner, and the problem of collection of inorganized pollutants which are occasionally generated in multiple production procedures such as coke oven door leakage and the like is solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the present invention.

In the figure, a totally-enclosed dust collecting shed 1, a collecting branch pipe 2, a ground dust removing station 4, a first smoke collecting port 5, a second smoke collecting port 6, a first collecting branch pipe 7, a first collecting main pipe 8, a first switch valve 9, a first fan 10, a second collecting branch pipe 12, a second collecting main pipe 13, a second switch valve 14, a second fan 15, a maintenance platform 16, a dust outlet pipeline 17, a cold air port 18, a switch valve 19, a coal charging car 20, a coke guide 21, a coke oven 22, a smoke collecting port 24, a support 30, an original support 31 and a support bracket 32.

Detailed Description

The present invention will be described in further detail with reference to specific embodiments, but the scope of the present invention is not limited to these embodiments, and any changes or equivalent substitutions that do not depart from the spirit of the present invention are intended to be included within the scope of the present invention.

Example 1

A sealed dust removal system for a coke oven comprises a fully-closed dust collecting shed 1, collecting branch pipes 2, collecting main pipes and a ground dust removal station 4, wherein each collecting main pipe comprises a first collecting main pipe 8 and a second collecting main pipe 13, a coke oven surface and a peripheral device are arranged in the fully-closed dust collecting shed, a plurality of smoke dust collecting ports are formed in the top of the fully-closed dust collecting shed and are divided into a plurality of first smoke dust collecting ports 5 and a plurality of second smoke dust collecting ports 6, and each first smoke dust collecting port 5 corresponds to one second smoke dust collecting port 6 and is respectively corresponding to smoke dust collection at the same position and different heights;

the rear part of each first smoke dust collecting port 5 is connected with a first collecting branch pipe 7, a first switch valve 9 is arranged on each first collecting branch pipe 7, a plurality of first collecting branch pipes are connected with a first collecting main pipe 8, and a first fan 10 is arranged on each first collecting main pipe 8;

the rear part of each second smoke dust collecting port 6 is connected with a second collecting branch pipe 12, a second switch valve 14 is arranged on each second collecting branch pipe 12, a plurality of second collecting branch pipes 12 are connected with a second collecting main pipe 13, and a second fan 15 is arranged on each second collecting main pipe 13;

first collection branch pipe 7 and second collection branch pipe 12 set up in totally closed dust collecting shed 1 outer top, first collection is responsible for 8 and second collection and is responsible for 12 and set up on totally closed dust collecting shed 1 outer side support 30, support 30 reforms transform original support 31, installing support 30 on original support 31, set up bracket 32 between support 30 and the original support.

The second switch valve 14 is adjacent to the first switch valve 9, the maintenance platform 16 is arranged above the support 30, and the maintenance platform 16 is located below the first switch valve 9 and the second switch valve 14, so that the first switch valve 9 and the second switch valve which are prone to faults can be conveniently maintained at any time.

The first collection is responsible for 8 and the second is collected and is responsible for 12 and connect ground dust removal station 4 through going out dirt pipeline 17, it is provided with cold wind mouth 18 on the dirt pipeline 17 to go out, cold wind mouth department is provided with switch control valve 23, the first collection is responsible for 8 and the second is collected and is responsible for 12 and go out the dirt pipeline 17 junction and all be provided with ooff valve 19.

The first smoke dust collecting port 5 and the second smoke dust collecting port 11 respectively comprise a coal charging smoke dust collecting port above a coal charging car 20, a coke blocking smoke dust collecting port above a coke blocking machine 21, a coke discharging smoke dust collecting port at the coke side of a coke oven 22, a smoke dust collecting port at the top of the totally-closed dust collecting shed 1 and a side smoke dust collecting port 24 at the side of the totally-closed dust collecting shed.

The switch valve 19, the second switch valve 14 and the first switch valve 9 are all flap valves.

The flap valve includes valve body and valve plate, the valve plate passes through the switch arm and connects the valve body, the switch arm rear end sets up the pivot, the valve plate is provided with the sealed clitellum all around, be provided with high temperature resistant high elasticity sealing filler in the sealed clitellum, high temperature resistant high elasticity sealing filler is rubber asbestos packing material, can be better play sealed effect.

During the use, under the ordinary condition, adopt first collection to be responsible for and first collection branch pipe and carry out the smoke and dust and collect, when one set of collection is responsible for and is collected the branch pipe and can't satisfy the field usage, open two sets of devices simultaneously, can select collection device through the ooff valve, when one of them set broke down, another set can also continue to use, does not influence the normal clear of production completely. Be provided with the cold wind mouth on the play dirt pipeline, can carry out primary cooling to the high-temperature gas who collects, prevent that high temperature from producing harmful effects to ground dust removal station.

The present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A sealed dust removal system for a coke oven is characterized by comprising a fully-closed dust collecting shed, a collecting main pipe and a ground dust removal station, wherein the collecting main pipe comprises a first collecting main pipe and a second collecting main pipe, a coke oven surface and a peripheral device are arranged in the fully-closed dust collecting shed, a plurality of smoke dust collecting ports are formed in the top of the fully-closed dust collecting shed, the smoke dust collecting ports are divided into a plurality of first smoke dust collecting ports and a plurality of second smoke dust collecting ports, and each first smoke dust collecting port corresponds to one second smoke dust collecting port and respectively corresponds to smoke dust collection at the same position and different heights;

2. The coke oven seal dust removal system of claim 1, wherein the first and second smoke collection ports each comprise a coal charging smoke collection port above a coal charging car, a coke guide smoke collection port above a coke guide, a coke discharge smoke collection port on a coke side of a coke oven, a top smoke collection port at a top of the fully closed dust collection shed, and a side smoke collection port at a side of the fully closed dust collection shed.

3. The coke oven seal dedusting system of claim 1, wherein the switch valve, the second switch valve and the first switch valve are flap valves.

4. The coke oven sealing and dedusting system of claim 3, wherein the flap valve comprises a valve body and a valve plate, a sealing ring belt is arranged around the valve plate, and a high-temperature-resistant high-elasticity sealing filler is arranged in the sealing ring belt.

5. The coke oven seal dedusting system of claim 4, wherein the high temperature resistant high elasticity seal packing is a rubber asbestos packing material.