CN215628085U

CN215628085U - Converter coal gas recycling device

Info

Publication number: CN215628085U
Application number: CN202121498222.2U
Authority: CN
Inventors: 何先有; 梁海东
Original assignee: Hubei Jinshenglan Metallurgical Technology Co Ltd
Current assignee: Hubei Jinshenglan Metallurgical Technology Co Ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-25
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a converter gas recycling device which comprises a converter, a spray tower, a cyclone separator, a gas holder and a combustion tower, wherein a sealing cover is arranged at the top end of the converter, a telescopic pipe is arranged at the middle position of the top end of the sealing cover, a connecting pipe B is sleeved on the inner surface of the telescopic pipe close to the top end, the top end of the connecting pipe B is connected with the spray tower, the cyclone separator is connected at the position close to the bottom end of one side of the spray tower through a connecting pipe A, two venturi openings are arranged at the position close to one side of the cyclone separator through the connecting pipe A, and the gas holder is connected at the middle position of the top end of the cyclone separator through a gas storage pipe. The gas inlet cover of the gas inlet device solves the problems that the gas inlet cover of the existing device cannot be lifted, gas leakage is easy to cause, the use safety and the recovery rate are influenced, the gas recovery condition of the system is higher, the gas waste amount is larger, and the resource utilization rate is poor, and the recovery rate and the resource utilization rate of the gas inlet cover are improved.

Description

Converter coal gas recycling device

Technical Field

The utility model relates to the technical field of converter gas recycling, in particular to a converter gas recycling device.

Background

Converter gas is a gas fuel with medium heat value in steel enterprises. Can be used as fuel of industrial kiln, and can be mixed with coke oven gas, blast furnace gas and producer gas to form various mixed gas with different heat values. The converter gas contains a large amount of carbon monoxide, has high toxicity, and must be strictly prevented from leakage in the processes of storage, transportation and use.

The existing converter gas recycling device has the advantages that an air inlet cover cannot be lifted, gas leakage is easily caused, the use safety and the recycling rate are affected, the condition of recycling gas by a system is high, the waste amount of the gas is large, and the resource utilization rate is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a converter gas recycling device which has the advantage of high recycling rate and solves the problems that an air inlet cover of the existing device cannot be lifted, gas leakage is easy to cause, the use safety and the recycling rate are affected, the system has high gas recycling conditions, the gas waste amount is large, and the resource utilization rate is poor.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a converter coal gas recycle device, includes converter, spray column, cyclone, gas holder and combustion tower, wherein converter top position department installs the sealed cowling, sealed cowling top intermediate position department installs flexible pipe, flexible pipe internal surface department of being close to the top position has cup jointed connecting pipe B, connecting pipe B top is connected with the spray column, the department of being close to the bottom position on one side of the spray column is connected with cyclone through connecting pipe A, connecting pipe A is close to cyclone one side position department and installs two venturi throats, cyclone top intermediate position department is connected with the gas holder through the gas receiver.

Preferably, the outer surface of the connecting pipe B is provided with a top plate at a position close to two sides of the bottom end, the two sides of the outer surface of the connecting pipe B are provided with electric retractors at the middle positions of the bottom ends of the top plates, and the bottom ends of output shafts of the electric retractors are connected to the positions of two sides of the telescopic pipes through a bottom plate.

Preferably, the inner surface of the spray tower is provided with a spray ring pipe, one side of the outer surface of the spray ring pipe, which is far away from the connecting pipe A, is connected with a spray main pipe through a spray branch pipe, and the inner surface of the spray ring pipe is provided with a high-pressure spray head.

Preferably, the position of one side of the spray tower, which is far away from the connecting pipe A and is close to the bottom end, is connected to the spray main pipe through a circulating pipe, and a circulating pump is installed in the middle of the circulating pipe.

Preferably, the adjusting shaft is installed in the middle of the inner portion of the two venturi throats, the partition plates are installed on two sides of the outer surface of the adjusting shaft, and the motor is installed at the position, located at the upper end of the adjusting shaft, of the top end of the two venturi throats.

Preferably, the top end of the throat opening of the second venturi is positioned outside the motor and is provided with an equipment cover, the middle position of one side of the equipment cover, which is far away from the cyclone separator, is provided with a controller, and a remote module and a PLC module are arranged in the controller.

Preferably, a gas content analyzer is installed at a position, close to the connection position of the cyclone separator, of the gas storage pipe, a three-way valve is installed at a position, close to the connection position of the gas holder, of the gas storage pipe, and the middle position of one side of the three-way valve is connected to the combustion tower through an exhaust gas pipe.

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

1. the electric retractors are arranged in the middle positions of the bottom ends of the top plates on the two sides, so that the effect of adjusting the use height of the sealing cover is achieved, the top plates are arranged on the outer surface of the connecting pipe B close to the two sides of the bottom end, the electric retractors are arranged in the middle positions of the bottom ends of the top plates on the two sides, and the bottom plate is arranged at the bottom end of the output shaft of each electric retractor and connected to the two sides of each telescopic pipe, so that the problems that the air inlet cover cannot be lifted, gas leakage is easily caused, the use safety and the recovery rate are affected are solved, and the recovery rate of the gas inlet cover is increased.

2. According to the utility model, the gas storage pipe is provided with the gas content analyzer at the position close to the connection position of the cyclone separator, so that the effect of quickly sensing the gas content is achieved, the three-way valve can be opened when the gas content analyzer senses that the proportion of carbon monoxide in gas is more than 25% and the proportion of carbon dioxide in gas is less than 2%, and gas is collected through the gas holder, so that the problems of high gas recovery condition of a system, large gas waste and poor resource utilization rate are solved, and the resource utilization rate of the gas storage pipe is improved.

3. The utility model achieves the effect of dedusting and spraying waste gas by recycling spray water by arranging the circulating pipe and the circulating pump, the inner surface of the spray tower is provided with the spray ring pipe, one side of the outer surface of the spray ring pipe, which is far away from the connecting pipe A, is provided with the spray main pipe through the spray branch pipe, the inner surface of the spray ring pipe is provided with the high-pressure spray head, the position, which is near the bottom end, of the spray tower, which is far away from the connecting pipe A, is provided with the circulating pipe to be connected with the spray main pipe, and the circulating pump is arranged at the middle position of the circulating pipe, so that the problems that the spray device cannot recycle spray water, the resource waste is large, and the production cost is high are solved, and the resource utilization rate of the utility model is improved.

Drawings

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

FIG. 2 is a schematic front view of a converter according to the present invention;

FIG. 3 is a schematic view of the spray tower of the present invention;

fig. 4 is an enlarged structural diagram of a in fig. 1.

In the figure: 1. a converter; 2. a spray tower; 3. a cyclone separator; 4. a three-way valve; 5. a gas cabinet; 6. a combustion tower; 7. an exhaust gas pipe; 8. a gas storage pipe; 9. a gas content analyzer; 10. a connecting pipe A; 11. a connecting pipe B; 12. a telescopic pipe; 13. an electric expansion piece; 14. a top plate; 15. a base plate; 16. a sealing cover; 17. a spray ring pipe; 18. spraying branch pipes; 19. spraying a main pipe; 20. a circulation pipe; 21. a circulation pump; 22. an equipment cover; 23. a controller; 24. a motor; 25. a laryngeal opening of Wen; 26. a partition plate; 27. an adjustment shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the technical solution of the device for recycling converter gas provided by the present invention is: a converter gas recycling device comprises a converter 1, a spray tower 2, a cyclone separator 3, a gas holder 5 and a combustion tower 6, wherein a sealing cover 16 is arranged at the top end position of the converter 1, an extension tube 12 is arranged at the middle position of the top end of the sealing cover 16, a connecting tube B11 is sleeved at the position, close to the top end, of the inner surface of the extension tube 12, top plates 14 are arranged at the positions, close to the two sides of the bottom end, of the outer surface of a connecting tube B11, electric expanders 13 are arranged at the middle positions, close to the bottom ends of the top plates 14, of the two sides of the extension tube 12, the bottom end of an output shaft of the electric expanders 13 is connected to the positions, close to the two sides of the extension tube 12, the positions of the sealing cover 16 and the converter 1 are convenient to adjust, gas is prevented from overflowing and scattering, the spray tower 2 is connected to the top end of the connecting tube B11, the position, close to the bottom end, of the cyclone separator 3 is connected to the cyclone separator 2 through a connecting tube A10, a venturi 25 is arranged at the position, close to one side of the cyclone separator 3, of the connecting tube A10, 3 top intermediate position departments of cyclone are connected with gas holder 5 through gas receiver 8, gas receiver 8 is close to 3 hookup location departments of cyclone and installs gas content analysis appearance 9, carbon monoxide proportion is greater than 25% in the response gas through gas content analysis appearance 9, when the carbon dioxide proportion is less than 2%, can open three-way valve 4, collect coal gas through gas holder 5, gas receiver 8 is close to 5 hookup location departments of gas holder and installs three-

way valve

4, 4 one side intermediate position departments of three-way valve are connected in combustion tower 6 through exhaust gas pipe 7.

Referring to fig. 3, the technical solution of the device for recycling converter gas provided by the present invention is: a converter gas recycling device comprises a converter 1, a spray tower 2, a cyclone separator 3, a gas holder 5 and a combustion tower 6, wherein a sealing cover 16 is installed at the top end position of the converter 1, an extension tube 12 is installed at the middle position of the top end of the sealing cover 16, a connecting tube B11 is sleeved at the position, close to the top end, of the inner surface of the extension tube 12, the spray tower 2 is connected to the top end of a connecting tube B11, a spray ring tube 17 is installed at the inner surface of the spray tower 2, one side, away from the connecting tube A10, of the outer surface of the spray ring tube 17 is connected with a spray main tube 19 through a spray branch tube 18, a high-pressure nozzle is installed at the inner surface of the spray ring tube 17 and used for preliminarily removing dust from gas, the cyclone separator 3 is connected at the position, close to the bottom end, of the spray tower 2, far away from the side, close to the bottom end, of the connecting tube A10, to the spray tower 2, the position is connected to the spray main tube 19 through a circulating tube 20, and a circulating pump 21 is installed at the middle position of the circulating tube 20, the spray water is conveniently recycled, the two venturi throats 25 are arranged at the positions, close to one side of the cyclone separator 3, of the connecting pipe A10, and the middle position of the top end of the cyclone separator 3 is connected with the gas holder 5 through the gas storage pipe 8.

Referring to fig. 4, the technical solution of the device for recycling converter gas provided by the present invention is as follows: a converter gas recycling device comprises a converter 1, a spray tower 2, a cyclone separator 3, a gas holder 5 and a combustion tower 6, wherein a sealing cover 16 is arranged at the top end position of the converter 1, an extension tube 12 is arranged at the middle position of the top end of the sealing cover 16, a connecting tube B11 is sleeved at the position, close to the top end, of the inner surface of the extension tube 12, the spray tower 2 is connected with the top end of a connecting tube B11, the cyclone separator 3 is connected at the position, close to the bottom end, of one side of the spray tower 2 through a connecting tube A10, a Venturi 25 is arranged at the position, close to one side of the cyclone separator 3, of the connecting tube A10, the gas holder 5 is connected at the middle position of the top end of the cyclone separator 3 through a gas storage tube 8, an adjusting shaft 27 is arranged at the middle position inside the venturi 25, partition plates 26 are arranged at the positions on the two sides of the outer surface of the adjusting shaft 27, and a motor 24 is arranged at the position, at the top end of the venturi Venturi 25, which is positioned on the adjusting shaft 27, the top end of the second venturi opening 25 is positioned outside the motor 24 and is provided with the equipment cover 22, the middle position of one side of the equipment cover 22 departing from the cyclone separator 3 is provided with the controller 23, and the controller 23 is internally provided with a remote module and a PLC module for accurately controlling the opening of the second venturi opening 25 so as to control the flow rate of the waste gas.

The working principle is as follows: after the device is installed, when a converter 1 makes steel, an electric expansion piece 13 and a bottom plate 15 drive an expansion pipe 12 and a sealing cover 16 to move downwards to cover the top end of the converter 1, waste gas generated by steel making is conveyed to a spray tower 2 through a connecting pipe B11, the waste gas is sprayed and dedusted through a main spray pipe 19, a branch spray pipe 18 and a circular spray pipe 17 in the spray tower 2, and is conveyed to a cyclone separator 3 through a connecting pipe A10 after being finished, the waste gas and dust are separated through the cyclone separator 3, and then are conveyed to a combustion tower 6 for combustion and then are exhausted through a gas storage pipe 8, a three-way valve 4 and a waste gas pipe 7, when a gas content analyzer 9 senses that the gas content exceeds a set value, the waste gas pipe 7 is closed through the three-way valve 4, and is conveyed to a gas cabinet 5 for storage, and the working flow of the device is finished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a converter coal gas recycle device, includes converter (1), spray column (2), cyclone (3), gas chamber (5) and combustion tower (6), its characterized in that: converter (1) top position department installs sealed cowling (16), sealed cowling (16) top intermediate position department installs flexible pipe (12), connecting pipe B (11) have been cup jointed near top position department to flexible pipe (12) internal surface, connecting pipe B (11) top is connected with spray column (2), spray column (2) one side is close to bottom position department and is connected with cyclone (3) through connecting pipe A (10), connecting pipe A (10) are close to cyclone (3) one side position department and install two venturi throats (25), cyclone (3) top intermediate position department is connected with gas holder (5) through gas storage pipe (8).

2. The converter gas recycling device of claim 1, wherein: connecting pipe B (11) surface is close to bottom both sides position department and all installs roof (14), both sides roof (14) bottom intermediate position department all installs electronic expansion bend (13), electronic expansion bend (13) output shaft bottom is passed through bottom plate (15) and is connected in flexible pipe (12) both sides position department.

3. The converter gas recycling device of claim 1, wherein: the spray tower (2) internally surface installs spray ring pipe (17), spray ring pipe (17) surface deviates from connecting pipe A (10) one side and is connected with through spray branch pipe (18) and sprays and is responsible for (19), spray ring pipe (17) internally surface installs high pressure nozzle.

4. The converter gas recycling device of claim 1, wherein: the spray tower (2) deviates from one side of the connecting pipe A (10) and is connected to a spray main pipe (19) through a circulating pipe (20) close to the bottom end, and a circulating pump (21) is installed in the middle of the circulating pipe (20).

5. The converter gas recycling device of claim 1, wherein: an adjusting shaft (27) is installed in the middle of the inside of the two venturi throats (25), partition plates (26) are installed on two sides of the outer surface of the adjusting shaft (27), and a motor (24) is installed at the position, located at the upper end of the adjusting shaft (27), of the top end of the two venturi throats (25).

6. The converter gas recycling device of claim 1, wherein: the top end of the second venturi opening (25) is located on the outer side of the motor (24) and is provided with an equipment cover (22), the middle position of one side, deviating from the cyclone separator (3), of the equipment cover (22) is provided with a controller (23), and a remote module and a PLC module are arranged inside the controller (23).

7. The converter gas recycling device of claim 1, wherein: gas storage pipe (8) are close to cyclone (3) hookup location department and install gas content analysis appearance (9), gas storage pipe (8) are close to gas holder (5) hookup location department and install three-way valve (4), three-way valve (4) one side intermediate position department is connected in combustion tower (6) through exhaust gas pipe (7).