Blast furnace gas diffusion point repairing device

Abstract

The utility model discloses a blast furnace gas diffusion point repairing device which comprises a blast furnace body, and an ignition maintenance structure is arranged at the upper end of the blast furnace body. The ignition maintenance structure comprises a maintenance ladder stand, a bleeder, a three-way valve, a first igniter, a temperature detector, a detection coil, a gas concentration detector, a shunting assembly and a second igniter. The utility model relates to the technical field of blast furnace gas diffusion, in particular to an ignition maintenance structure, when the temperature in a diffusion pipe is lower than a specified value, a temperature detector sends out a signal, a gas concentration detector detects the gas concentration in the diffusion pipe, a three-way valve is driven to work, and gas in the diffusion pipe is conveyed into a flow dividing assembly; the second igniter is used for ignition, the situation that the gas concentration of a downwind post exceeds the standard is avoided, then a worker carries out maintenance operation on the first igniter, and therefore the technical problem that a traditional diffusion device cannot treat the gas and only can directly discharge the gas is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of blast furnace gas release, in particular to a blast furnace gas release point repair device. Background Art

[0002] When releasing blast furnace gas, in order to prevent the gas concentration from exceeding the standard at the downwind post, it is necessary to ignite the gas release point. Once the ignition device fails, the traditional release device cannot process the gas and can only discharge the gas directly, thereby increasing the gas concentration at the downwind post and causing physical harm to the workers. In view of this, in-depth research was conducted on the above-mentioned issues, which led to this case. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a blast furnace gas release point repair device, which solves the technical problem that when the ignition device of the traditional release device fails, the gas cannot be processed and can only be directly discharged, thereby increasing the gas concentration at the downwind position and causing physical harm to the staff.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a blast furnace gas release point repair device, comprising a blast furnace body, wherein an ignition maintenance structure is provided at the upper end of the blast furnace body;

[0005] The ignition maintenance structure includes: a maintenance ladder, a vent pipe, a three-way valve, a first igniter, a temperature detector, a detection coil, a gas concentration detector, a flow diversion component and a second igniter;

[0006] The maintenance ladder is installed at the front end of the blast furnace body, one end of the vent pipe is connected to the upper end of the blast furnace body, the three-way valve is installed on the vent pipe, the first igniter is installed at the upper end of the blast furnace body, and the driving end is installed on the vent pipe, the temperature detector is installed at the upper end of the first igniter, the detection coil is mounted on the upper end of the first igniter, the gas concentration detector is embedded on one side of the upper end of the vent pipe, one end of the diverter assembly is connected to one end of the three-way valve, and the second igniter is installed on one side of the diverter assembly.

[0007] Preferably, the flow diversion assembly comprises: a flow diversion tube and a fixing frame;

[0008] One end of the shunt pipe is connected to one end of the three-way valve, the fixing frame is installed on the shunt pipe, and the other end is sleeved on the vent pipe.

[0009] Preferably, a support plate for supporting the blast furnace body is provided at the lower end of the blast furnace body.

[0010] Preferably, a plurality of fixing blocks for fixing the maintenance ladder are provided at the connection between the maintenance ladder and the blast furnace body.

[0011] Preferably, a connecting sealing ring with a connecting function is provided at the connection between the vent pipe and the blast furnace body.

[0012] Preferably, an anti-skid layer with an anti-skid function is provided on the upper end of the maintenance ladder.

[0013] The utility model provides a blast furnace gas venting point repair device. It has the following beneficial effects: the ignition maintenance structure adopted in this case, when the temperature in the venting pipe is lower than the specified value, the temperature detector sends a signal, and the gas concentration detector detects the gas concentration in the venting pipe, drives the three-way valve to work, and transports the gas in the venting pipe to the diversion component, and ignites it through the second igniter, so as to avoid excessive gas concentration at the downwind position, and then the staff performs maintenance operations on the first igniter, thereby effectively solving the technical problem that the traditional venting device cannot process the gas when the ignition device fails, and can only directly discharge the gas, which increases the gas concentration at the downwind position and causes physical harm to the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic diagram of the main structure of a blast furnace gas release point repair device.

[0015] Figure 2 This is an enlarged structural diagram of the utility model at "A".

[0016] Figure 3 This is an enlarged structural diagram of the utility model at "B".

[0017] In the figure: 1. blast furnace body, 2. maintenance ladder, 3. vent pipe, 4. three-way valve, 5. first igniter, 6. temperature detector, 7. detection coil, 8. gas concentration detector, 9. second igniter, 10. diverter pipe, 11. fixing frame, 12. support plate, 13. fixing block, 14. connecting sealing ring, 15. anti-slip layer. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example 1

[0020] like Figure 1-3As shown, a blast furnace gas release point repair device comprises a blast furnace body 1, and an ignition maintenance structure is provided at the upper end of the blast furnace body 1;

[0021] It should be noted that when it is necessary to release the coal gas in the blast furnace, the staff will drive the ignition maintenance structure at the upper end of the blast furnace body 1 to work, and through the ignition maintenance structure, the coal gas in the blast furnace body 1 will be released and ignited. When a fault occurs, the coal gas will be diverted and ignited through the ignition maintenance structure, and the staff will carry out maintenance to ensure that the coal gas is normally released and ignited when the staff is carrying out maintenance.

[0022] Example 2

[0023] like Figure 1-3 As shown, the ignition maintenance structure includes: a maintenance ladder 2, a vent pipe 3, a three-way valve 4, a first igniter 5, a temperature detector 6, a detection coil 7, a gas concentration detector 8, a diversion component and a second igniter 9;

[0024] The maintenance ladder 2 is installed at the front end of the blast furnace body 1, one end of the vent pipe 3 is connected to the upper end of the blast furnace body 1, the three-way valve 4 is installed on the vent pipe 3, the first igniter 5 is installed at the upper end of the blast furnace body 1, and the driving end is installed on the vent pipe 3, the temperature detector 6 is installed at the upper end of the first igniter 5, the detection coil 7 is mounted on the upper end of the first igniter 5, the gas concentration detector 8 is embedded on one side of the upper end of the vent pipe 3, one end of the diverter assembly is connected to one end of the three-way valve 4, and the second igniter 9 is installed on one side of the diverter assembly.

[0025] It should be noted that when it is necessary to release the gas in the blast furnace body 1, the staff drives the three-way valve 4 to make the gas in the blast furnace body 1 discharged through the vent pipe 3, and then drives the first igniter 5 to ignite the gas in the vent pipe 3. When the first igniter 5 fails, the temperature detector 6 cooperates with the detection coil 7 to detect the temperature of the vent pipe 3. When the temperature is lower than the specified value, a signal is sent. At the same time, the gas concentration detector 8 detects the gas concentration in the vent pipe 3, notifies the staff to drive the three-way valve 4 to transport the gas in the vent pipe 3 to the diversion assembly, and then drives the second igniter 9 to ignite the gas in the diversion assembly. The staff then moves to the upper end of the blast furnace body 1 through the maintenance ladder 2 to perform maintenance operations on the first igniter 5.

[0026] Example 3

[0027] like Figure 1-3 As shown, the flow splitter assembly includes: a flow splitter tube 10 and a fixing frame 11;

[0028] One end of the shunt pipe 10 is connected to one end of the three-way valve 4 , the fixing frame 11 is installed on the shunt pipe 10 , and the other end is sleeved on the vent pipe 3 .

[0029] It should be noted that when the first igniter 5 fails, the three-way valve 4 is driven to work, so that the diverter pipe 10 fixed by the fixing frame 11 is connected with the vent pipe 3, and the gas in the vent pipe 3 is discharged through the diverter pipe 10 to release the gas, and then the second igniter 9 is driven to work to ignite the gas in the diverter pipe 10.

[0030] As a preferred solution, further, a support plate 12 for supporting the blast furnace body 1 is provided at the lower end of the blast furnace body 1 .

[0031] As a preferred solution, further, a plurality of fixing blocks 13 for fixing the maintenance ladder 2 are provided at the connection between the maintenance ladder 2 and the blast furnace body 1 .

[0032] As a preferred solution, further, a connection sealing ring 14 with a connection function is provided at the connection between the vent pipe 3 and the blast furnace body 1 .

[0033] As a preferred solution, further, an anti-skid layer 15 with an anti-skid function is provided at the upper end of the maintenance ladder 2.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blast furnace gas release point repair device, comprising a blast furnace body, characterized in that: An ignition maintenance structure is provided at the upper end of the blast furnace body; The ignition maintenance structure includes: a maintenance ladder, a vent pipe, a three-way valve, a first igniter, a temperature detector, a detection coil, a gas concentration detector, a flow diversion component and a second igniter; The maintenance ladder is installed at the front end of the blast furnace body, one end of the vent pipe is connected to the upper end of the blast furnace body, the three-way valve is installed on the vent pipe, the first igniter is installed at the upper end of the blast furnace body, and the driving end is installed on the vent pipe, the temperature detector is installed at the upper end of the first igniter, the detection coil is mounted on the upper end of the first igniter, the gas concentration detector is embedded on one side of the upper end of the vent pipe, one end of the diverter assembly is connected to one end of the three-way valve, and the second igniter is installed on one side of the diverter assembly.

2. A blast furnace gas release point repair device according to claim 1, characterized in that: The shunt assembly comprises: a shunt pipe and a fixing frame; One end of the shunt pipe is connected to one end of the three-way valve, the fixing frame is installed on the shunt pipe, and the other end is sleeved on the vent pipe.

3. A blast furnace gas release point repair device according to claim 1, characterized in that: A supporting plate for supporting the blast furnace body is provided at the lower end of the blast furnace body.

4. A blast furnace gas release point repair device according to claim 1, characterized in that: A plurality of fixing blocks for fixing the maintenance ladder are provided at the connection between the maintenance ladder and the blast furnace body.

5. A blast furnace gas release point repair device according to claim 1, characterized in that: A connecting sealing ring with a connecting function is provided at the connection between the vent pipe and the blast furnace body.

6. A blast furnace gas release point repair device according to claim 1, characterized in that: The upper end of the maintenance ladder is provided with an anti-skid layer with an anti-skid function.

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