CN211522106U

CN211522106U - Device for discharging coal gas from top of coke oven greenhouse

Info

Publication number: CN211522106U
Application number: CN201922023103.0U
Authority: CN
Inventors: 王军; 安占来; 周光林; 董海涛; 李爱东
Original assignee: Handan Iron and Steel Group Co Ltd; HBIS Co Ltd Handan Branch
Current assignee: Handan Iron and Steel Group Co Ltd; HBIS Group Hansteel Co; HBIS Co Ltd Handan Branch
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-09-18
Anticipated expiration: 2029-11-21

Abstract

A device for discharging coal gas at the top of a coke oven greenhouse belongs to the technical field of coke oven greenhouse equipment and is used for discharging coal gas at the top of the coke oven greenhouse during power failure. The technical scheme is as follows: the discharging truss plates are rectangular steel plates, a plurality of discharging ports are formed in the top surface of the coke oven greenhouse, the discharging ports are covered with the discharging truss plates respectively, the lower ends of the discharging truss plates are connected with the discharging ports through rotating shafts, upright fixing support rods are welded to the top surface of the coke oven greenhouse on one side of the rotating shafts of the discharging ports, two electromagnets are installed on one side edge of the discharging ports of the top surface of the coke oven greenhouse and one side of the discharging truss plates respectively, the two electromagnets are opposite, and the two ends of the tension spring are connected with the upper ends of the discharging truss plates and the upper ends. The utility model discloses simple structure, convenient to use, preparation are easy, can be when taking place to have a power failure automatic opening the discharge port, and the coal gas with coke oven greenhouse top diffuses fast, avoids coke oven greenhouse top surface to take place the coal gas gathering, prevents the emergence of incident.

Description

Device for discharging coal gas from top of coke oven greenhouse

Technical Field

The utility model relates to a device for discharging coal gas at the top of a coke oven greenhouse during power failure, belonging to the technical field of coke oven greenhouse equipment.

Background

In the coking production process of the coke oven, the crude gas discharged from the top of the coke oven seriously pollutes the air, and belongs to the field of strict inspection of environmental protection monitoring mechanisms, so that various technical means are adopted in all coke oven design schemes to prevent the crude gas of the coke oven from overflowing as much as possible. According to the latest coke oven design scheme, a greenhouse is additionally arranged on the top of the coke oven, a high-power dust removal fan is arranged in the greenhouse, and overflowed raw gas is pumped away, purified and discharged. However, the design has a disadvantage that when a large-area power failure occurs in a coke-oven plant, the gas blower stops running due to the power failure, a large amount of coke oven crude gas is diffused, and the discharged large amount of crude gas is diffused to the top of the whole coke oven to fill the inside of the coke oven greenhouse, so that an inflammable and explosive space is formed at the top of the coke oven, the top of the coke oven is lack of oxygen, and personnel cannot approach the top of the coke oven to operate. Therefore, it is necessary to adopt technical measures to eliminate the gas accumulation at the top of the coke oven greenhouse during the power failure period.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a coke oven greenhouse top discharges device of coal gas is provided, this kind of device can be when the power failure takes place in the coke-oven plant, can diffuse fast the coal gas of gathering at coke oven greenhouse top, avoids piling up in a large number because of the coke oven raw coke oven gas that the gas blower shut down leads to, prevents to take place the incident.

The technical scheme for solving the technical problems is as follows:

the utility model provides a device of coke oven greenhouse top discharge gas, it is including discharging the truss plate, the fixed stay bar, the electro-magnet, the extension spring, it is the rectangle steel sheet to discharge the truss plate, set up a plurality of discharge ports at coke oven greenhouse top surface, the truss plate covers respectively in the discharge port top is discharged to the polylith, the lower extreme that discharges the truss plate is connected by the pivot with the discharge port, the welding has upright fixed stay bar on the coke oven greenhouse top surface of the pivot one side of discharge port, two electro-magnets are installed respectively in the one side edge of discharge port of coke oven greenhouse top surface and one side of discharging the truss plate, two electro-magnets are relative, the one end of extension spring is connected with the upper end.

According to the device for discharging the coal gas at the top of the coke oven greenhouse, the plate surface of the discharge truss plate is in close contact with the discharge port on the top surface of the coke oven greenhouse, and the edge of the discharge port is provided with the sealing ring.

In the device for discharging coal gas at the top of the coke oven greenhouse, the fixed support rod is supported by the inclined pull rod.

According to the device for discharging the coal gas at the top of the coke oven greenhouse, the electromagnetic suction force of the two electromagnets arranged at one side edge of the discharge port at the top of the coke oven greenhouse and one side of the discharge truss plate is larger than the tension force of the tension spring between the fixed supporting rod and the discharge truss plate.

According to the device for discharging the coal gas at the top of the coke oven greenhouse, the front end of the bottom surface of the discharge truss plate is connected with the upper end of the reset pull rope, and the lower end of the reset pull rope is tied on the side wall of the coke oven greenhouse.

The utility model has the advantages that:

the utility model arranges a plurality of discharge ports on the top surface of the coke oven greenhouse, a discharge truss plate is arranged on the discharge ports, and the discharge truss plate and the discharge ports are attracted by electromagnets to seal and close the discharge ports; one side of the discharge port is provided with a fixed supporting rod, and the fixed supporting rod is connected with the discharge truss plate through a tension spring; when power failure occurs, the electromagnet loses power, the discharge truss plate is opened upwards under the action of the tension spring, and the coal gas at the top of the coke oven greenhouse can be released from the discharge port.

The utility model discloses simple structure, convenient to use, preparation are easy, can be when taking place to have a power failure automatic opening the discharge port, and the coal gas with coke oven greenhouse top diffuses fast, avoids coke oven greenhouse top surface to take place the coal gas gathering, prevents the emergence of incident.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the usage state of the present invention.

The figures are labeled as follows: the device comprises a coke oven greenhouse top surface 1, a discharge port 2, a discharge truss plate 3, a rotating shaft 4, a fixed support rod 5, an electromagnet 6, a tension spring 7, an inclined pull rod 8, a sealing ring 9 and a reset pull rope 10.

Detailed Description

The utility model discloses constitute by arranging truss plate 3, pivot 4, fixed support bar 5, electro-magnet 6, extension spring 7, oblique pull rod 8, sealing washer 9, the stay cord 10 that resets.

Fig. 1 shows that a plurality of discharge ports 2 are arranged on the top surface 1 of the coke oven greenhouse and used for discharging coal gas from the top of the coke oven greenhouse.

Fig. 1 shows that the discharge truss plates 3 are rectangular steel plates, the plurality of discharge truss plates 3 are respectively covered above the discharge port 2, the lower ends of the discharge truss plates 3 are connected to the discharge port 2 by a rotating shaft 4, and the discharge truss plates 3 can rotate around the rotating shaft 4 to open or close the discharge port 2.

Fig. 1 shows that an upright fixed support rod 5 is welded on the top surface 1 of the coke oven greenhouse on the side of a rotating shaft 4 of a discharge port 2, and a diagonal draw bar 8 is arranged behind the fixed support rod 5 for supporting. And a tension spring 7 is arranged between the fixed support rod 5 and the discharge truss plate 3, and the tension spring 7 can pull up the discharge truss plate 3 and open the discharge port 2.

Fig. 1 shows that electromagnets 6 are respectively installed on one side edge of a discharge port 2 of a coke oven greenhouse top surface 1 and one side of a discharge truss plate 3, the two electromagnets 6 are attracted relatively, the plate surface of the discharge truss plate 3 is covered on the discharge port 2 of the coke oven greenhouse top surface 1, a sealing ring 9 is installed on the edge of the discharge port 2, a sealing effect is achieved, and gas is prevented from escaping from the discharge port 2 under normal conditions.

Fig. 1 shows that in order to ensure that the discharge truss plates 3 can form a good seal for the discharge port 2, the electromagnetic suction force of two electromagnets 6 installed on one side edge of the discharge port 2 and one side of the discharge truss plates 3 of the coke oven shed top surface 1 is required to be greater than the tension force of a tension spring 7 between a fixed support rod 5 and the discharge truss plates 3 in the design. Under normal conditions, the tension spring 7 cannot pull up the discharge truss plate 3 against the attraction of the two electromagnets 6.

Fig. 2 shows that, when power failure occurs, two electromagnets 6 installed at one side edge of the discharge port 2 of the coke oven tunnel top surface 1 and one side of the discharge truss plates 3 lose magnetism, and under the pulling force of the tension spring 7, the discharge truss plates 3 of the coke oven tunnel top surface 1 are pulled up by the tension spring 7, the discharge truss plates 3 rotate around the rotating shaft 4 to the vertical position, and the discharge port 2 is opened. After the discharge port 2 is opened, the raw coke oven gas generated by the coke oven can be released to the atmosphere through the discharge port 2 on the top surface 1 of the coke oven greenhouse.

Fig. 1 and 2 show that the front end of the bottom surface of the discharge truss plate 3 is connected with the upper end of a reset pull rope 10, and the lower end of the reset pull rope 10 is tied on the side wall of the coke oven greenhouse. After the power failure, discharge truss plate 3 and pull up the back, very big distance apart between two electro-magnet 6, the pulling force of extension spring 7 is difficult to overcome at so far distance to the suction after electro-magnet 6 gets electricity, and this is that to discharge truss plate 3 whereabouts through restoring to the throne stay cord 10, and after the adsorption effect scope that gets into electro-magnet 6, electro-magnet 6 can be connected discharging truss plate 3 attraction.

The utility model discloses an embodiment as follows:

the length of the discharge port 2 is 1000mm, and the width is 1000 mm;

the length of the discharge truss plate 3 is 1100mm, and the width is 1100 mm;

the fixed supporting rod 5 is a channel steel with the diameter of 25# a and the length of 1200 mm;

the model of the electromagnet 6 is JL-0735N 28;

the diameter of the tension spring 7 is 16mm, and the length is 150 mm.

Claims

1. The utility model provides a device of coke oven big-arch shelter top emission coal gas which characterized in that: it comprises an exhaust truss plate (3), a fixed support rod (5), an electromagnet (6) and a tension spring (7), wherein the exhaust truss plate (3) is a rectangular steel plate, set up a plurality of discharge ports (2) on coke oven big-arch shelter top surface (1), the polylith discharges truss plate (3) and covers respectively in discharge port (2) top, the lower extreme and discharge port (2) of discharging truss plate (3) are connected by pivot (4), the welding has upright fixed support rod (5) on coke oven big-arch shelter top surface (1) of pivot (4) one side of discharge port (2), install respectively in one side of discharge port (2) one side edge of coke oven big-arch shelter top surface (1) and one side of discharging truss plate (3) two electro-magnets (6) are relative, the one end of extension spring (7) is connected with the upper end of discharging truss plate (3), the other end of extension spring (7) is connected with the upper end of fixed support rod (5).

2. The device for discharging gas from the top of the coke oven greenhouse as claimed in claim 1, wherein: the plate surface of the discharge truss plate (3) is in close contact with a discharge port (2) of the top surface (1) of the coke oven greenhouse, and a sealing ring (9) is installed at the edge of the discharge port (2).

3. The device for discharging gas from the top of the coke oven greenhouse as claimed in claim 1, wherein: the rear part of the fixed support rod (5) is supported by a diagonal draw bar (8).

4. The device for discharging gas from the top of the coke oven greenhouse as claimed in claim 1, wherein: the electromagnetic suction force of the two electromagnets (6) arranged at one side edge of the discharge port (2) of the top surface (1) of the coke oven greenhouse and one side of the discharge truss plate (3) is larger than the tension force of the tension spring (7) between the fixed support rod (5) and the discharge truss plate (3).

5. The device for discharging gas from the top of the coke oven greenhouse as claimed in claim 1, wherein: the front end of the bottom surface of the discharging truss plate (3) is connected with the upper end of a reset pull rope (10), and the lower end of the reset pull rope (10) is tied on the side wall of the coke oven greenhouse.