Safety device for controlling furnace door to unlock and discharge slag

Abstract

The utility model relates to the technical field of furnace door control, and discloses a safety device for controlling unlocking and slag discharging of a furnace door, which is applied to a furnace body, one side of the furnace body is slidably provided with the furnace door for sealing, and one side of the furnace body corresponding to the furnace door is fixedly provided with two groups of fixing seats at equal intervals. A fixing rod used for locking is fixedly installed on one side of the furnace door, the device further comprises a plug pin assembly and a control assembly, through mutual cooperation of the structures, the emergency slag discharging operation is improved to be remote automatic operation from field manual operation, the safety of the slag discharging operation is improved, and therefore potential safety hazards brought to workers are avoided; the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of furnace door control, in particular to a safety device for controlling furnace door unlocking and slag discharge. Background Art

[0002] When the fuming furnace is forced to stop production due to emergencies such as power outages, water outages, and air outages during production, in order to prevent the slag from freezing in the furnace, it is necessary to open the rear furnace door to urgently release the slag in the furnace. During the operation, a sledgehammer is used to smash open the latch that fixes the rear furnace door. Due to the large amount of slag in the furnace and the high pressure in the furnace, the furnace door will be pushed open at the moment the latch is smashed, and the high-temperature slag will immediately gush out, posing a great hidden danger to the safety of the operator.

[0003] In order to solve the above problems, the emergency slag discharge operation is improved from on-site manual operation to remote automatic operation, which improves the safety of the slag discharge operation and avoids safety hazards to the staff. For this purpose, we proposed a safety device for controlling the furnace door unlocking and slag discharge. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a safety device for controlling the unlocking and slag discharge of a furnace door, which solves the above-mentioned problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety device for controlling the unlocking and slag discharge of a furnace door, applied to a furnace body, a furnace door for blocking is slidably installed on one side of the furnace body, two groups of fixing seats are equidistantly fixedly installed on one side of the furnace body corresponding to the furnace door, a fixing rod for locking is fixedly installed on one side of the furnace door, two groups of limiting slide grooves for auxiliary limiting are equidistantly fixedly installed on one side of the furnace body corresponding to the furnace door, the furnace door is slidably installed between the two groups of limiting slide grooves, and also includes:

[0006] A latch assembly, the latch assembly being arranged at one end of the fixing rod and being used for fixing and locking the furnace door;

[0007] A control component, which is arranged on the furnace door, and is used to control the opening and closing of the furnace door. The control component includes a main shaft rod, a control gear, a control connecting rod and a furnace door pad. There are two groups of furnace door pads, and both are fixedly installed on the furnace door. Control connecting rods for connection are fixedly installed on the furnace door pads. A main shaft rod for driving is rotatably installed between the two groups of limiting slide grooves. One end of the main shaft rod is fixedly connected to the output end of the driving motor. Control gears are fixedly installed at the positions of the main shaft rod corresponding to the two groups of control connecting rods. A plurality of tooth grooves for connection are equidistantly provided on the back side of the control connecting rod, and the tooth grooves on the control connecting rod are meshed with the two groups of control gears.

[0008] Preferably, one side of the furnace door that is in contact with the furnace body is hingedly mounted with auxiliary rollers for assisting the sliding thereof.

[0009] Preferably, the latch assembly includes a fixing groove, a connector and a plug-in groove, the end of the fixing rod is provided with a fixing groove for fixing the furnace door, the furnace body is provided with an identical plug-in groove at a position corresponding to the fixing groove, and the connector passes through the fixing groove and is plugged into the plug-in groove and installed together.

[0010] Preferably, the fixing rod is further provided with an auxiliary groove, and a fixing piece for fixing the connector is plugged and installed inside the auxiliary groove.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The safety device for controlling the furnace door unlocking and slag discharge enhances the stability of the furnace door during the sliding process through the setting of the limit slide groove, and prevents the furnace door from being deflected or damaged due to vibration or external force.

[0013] 2. The safety device for controlling the furnace door unlocking and slag discharge realizes the automatic operation of furnace door opening and closing through the setting of control components, improves work efficiency, reduces the potential safety hazards caused by manual operation, and can accurately control the opening and closing degree of the furnace door to meet different operating requirements.

[0014] 3. The safety device for controlling the furnace door unlocking and slag discharge can ensure that the furnace door is firmly locked when it needs to be closed through the setting of the latch assembly, effectively preventing the furnace door from being accidentally opened during operation, thereby ensuring the safety of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the back structure of the furnace door of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the control component of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the latch assembly of the utility model.

[0019] In the figure: 1. furnace body; 2. furnace door; 3. fixed seat; 4. fixed rod; 5. limit slide groove; 6. main shaft rod; 7. control gear; 8. control connecting rod; 9. furnace door pad; 10. tooth groove; 11. auxiliary roller; 12. fixed groove; 13. plug-in part; 14. plug-in groove; 15. auxiliary groove; 16. fixed part. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4 , a safety device for controlling the unlocking and slag discharge of a furnace door, applied to a furnace body 1, a furnace door 2 for blocking is slidably installed on one side of the furnace body 1, two sets of fixing seats 3 are equidistantly fixedly installed on one side of the furnace body 1 corresponding to the furnace door 2, a fixing rod 4 for locking is fixedly installed on one side of the furnace door 2, two sets of limiting slide grooves 5 for auxiliary limiting are equidistantly fixedly installed on one side of the furnace body 1 corresponding to the furnace door 2, the furnace door 2 is slidably installed between the two sets of limiting slide grooves 5, and the stability of the furnace door 2 during the sliding process is enhanced by the setting of the limiting slide grooves 5, which prevents the furnace door 2 from being offset or damaged due to vibration or external force, and also includes:

[0022] A latch assembly, which is arranged at one end of the fixing rod 4 and is used to fix and lock the furnace door 2;

[0023] A control component is provided on the furnace door 2. The control component is used to control the opening and closing of the furnace door 2. The control component includes a main shaft rod 6, a control gear 7, a control connecting rod 8 and a furnace door pad 9. There are two groups of furnace door pads 9, and they are all fixedly installed on the furnace door 2. The furnace door pads 9 are fixedly installed with control connecting rods 8 for connection. A main shaft rod 6 for driving is rotatably installed between the two groups of limiting slide grooves 5. One end of the main shaft rod 6 is fixedly connected to the output end of the driving motor. Control gears 7 are fixedly installed at the positions of the main shaft rod 6 corresponding to the two groups of control connecting rods 8. Through the setting of the control component, the automatic operation of opening and closing of the furnace door 2 is realized, the work efficiency is improved, and the safety hazards that may be caused by human operation are reduced. The opening and closing degree of the furnace door 2 can be accurately controlled to meet different operation requirements. A plurality of tooth grooves 10 for connection are equidistantly provided on the back side of the control connecting rod 8, and the tooth grooves 10 provided on the control connecting rod 8 are meshed with the two groups of control gears 7.

[0024] Furthermore, auxiliary rollers 11 for assisting the sliding of the furnace door 2 are hingedly mounted on one side of the furnace door 2 that is in contact with the furnace body 1 .

[0025] Furthermore, the latch assembly includes a fixing groove 12, a connector 13 and a plug-in groove 14. The end of the fixing rod 4 is provided with a fixing groove 12 for fixing the furnace door 2. The furnace body 1 is provided with a plug-in groove 14 identical to the fixing groove 12. The connector 13 passes through the fixing groove 12 and is plugged and installed together with the plug-in groove 14. Through the setting of the latch assembly, it can be ensured that the furnace door 2 is firmly locked when it needs to be closed, effectively preventing the furnace door 2 from being accidentally opened during operation, thereby ensuring the safety of the operator.

[0026] Furthermore, an auxiliary groove 15 is formed on the fixing rod 4 , and a fixing member 16 for fixing the connector 13 is inserted and installed inside the auxiliary groove 15 .

[0027] Instructions

[0028] When the furnace door 2 needs to be opened, the fixing member 16 for fixing is firstly pulled out from the inside of the auxiliary groove 15, and then the plug-in member 13 is pulled out from the inside of the fixing groove 12, and the fixing and limiting of the fixing rod 4 by the plug-in member 13 and the fixing member 16 are released. After that, the staff is allowed to leave the area of ​​the furnace door 2, and the main shaft rod 6 can be driven to rotate by starting the driving motor. Through the meshing between the two sets of control gears 7 fixedly installed on the main shaft rod 6 and the tooth grooves 10 provided on the control connecting rod 8, the furnace door 2 is driven to slide inside the limiting slide groove 5 as the control gear 7 rotates, thereby realizing The remote control of the furnace door is now opened, and then the slag inside the furnace body 1 is waited for to be discharged. Then, by restarting the driving motor to rotate in the opposite direction, the furnace door 2 is driven to slide again in the temporal part of the limiting slide groove 5 to open the slag discharge port on the furnace body 1. Finally, the staff successively plugs the connector 13 and the fixing part 16 into the fixing rod 4 to mechanically fix the furnace door 2. Through the mutual cooperation between the above-mentioned structures, the device improves the emergency slag discharge operation from on-site manual operation to remote automatic operation, thereby improving the safety of the slag discharge operation, thereby avoiding safety hazards to the staff and being more practical.

[0029] 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 safety device for controlling the unlocking and slag discharge of a furnace door, applied to a furnace body (1), wherein a furnace door (2) for blocking is slidably mounted on one side of the furnace body (1), two groups of fixing seats (3) are equidistantly fixedly mounted on one side of the furnace body (1) corresponding to the furnace door (2), a fixing rod (4) for locking is fixedly mounted on one side of the furnace door (2), two groups of limiting slide grooves (5) for auxiliary limiting are equidistantly fixedly mounted on one side of the furnace body (1) corresponding to the furnace door (2), and the furnace door (2) is slidably mounted between the two groups of limiting slide grooves (5), characterized in that: Also includes: A latch assembly, the latch assembly being arranged at one end of the fixing rod (4), the latch assembly being used to fix and lock the furnace door (2); A control assembly, the control assembly is arranged on the furnace door (2), the control assembly is used to control the opening and closing of the furnace door (2), the control assembly comprises a main shaft rod (6), a control gear (7), a control connecting rod (8) and a furnace door pad (9), there are two groups of furnace door pads (9), and both are fixedly installed on the furnace door (2), and a control connecting rod (8) for connection is fixedly installed on the furnace door pad (9), a main shaft rod (6) for driving is rotatably installed between the two groups of limiting slide grooves (5), one end of the main shaft rod (6) is fixedly connected to the output end of the driving motor, and a control gear (7) is fixedly installed at the position of the main shaft rod (6) corresponding to the two groups of control connecting rods (8), and a plurality of tooth grooves (10) for connection are equidistantly provided on the back side of the control connecting rod (8), and the tooth grooves (10) provided on the control connecting rod (8) are meshed with the two groups of control gears (7).

2. A safety device for controlling furnace door unlocking and slag discharge according to claim 1, characterized in that: The side of the furnace door (2) that is in contact with the furnace body (1) is hingedly mounted with an auxiliary roller (11) for assisting the sliding thereof.

3. A safety device for controlling furnace door unlocking and slag discharge according to claim 1, characterized in that: The latch assembly comprises a fixing groove (12), a plug-in connector (13) and a plug-in groove (14); the fixing groove (12) for fixing the furnace door (2) is provided at the end of the fixing rod (4); a plug-in groove (14) identical to the fixing groove (12) is provided at a position of the furnace body (1) corresponding to the fixing groove (12); the plug-in connector (13) penetrates the fixing groove (12) and is plugged and installed together with the plug-in groove (14).

4. A safety device for controlling furnace door unlocking and slag discharge according to claim 1, characterized in that: The fixing rod (4) is also provided with an auxiliary groove (15), and a fixing piece (16) for fixing the plug-in piece (13) is installed and inserted in the auxiliary groove (15).

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