Reflector slag door water jacket
By designing a water jacket receiving cavity and a lifting unit on the reverberatory slag door, the slag door can be effectively cooled and the slag can be discharged efficiently, solving the problem of the slag door being easily damaged at high temperatures and improving safety and efficiency.
Patent Information
- Application Number
- CN202422638506.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Reflective slag doors are prone to damage in high-temperature environments. Existing technologies cannot effectively prevent heat radiation and avoid the need for remaking refractory mortar insulation, posing a safety hazard.
A reflective slag door water jacket is designed to cool the slag door by means of cooling liquid in the containment cavity, and to control the overlap area between the door body and the slag door by means of a lifting unit, so as to improve the slag discharge efficiency and prevent heat radiation.
Extend the service life of the slag gate, prevent heat radiation, reduce ambient temperature, improve slag discharge efficiency, and reduce safety hazards.
Smart Images

Figure CN223564743U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of reverberatory furnace slag, specifically to a reverberatory furnace slag door water jacket. BACKGROUND
[0002] The working temperature of the reverberatory furnace is extremely high, generally 1500 DEG C, and even can reach 1800 DEG C, and the slag door is the key to the out of slag of the smelted metal in the reverberatory furnace, usually, the slag port adopts fire clay to block, when the slag is out, the fire clay in the slag port is removed, after the slag is out, the slag port is blocked with fire clay again, because the temperature of the reverberatory furnace is extremely high, if the fire clay of the slag port works for a long time in such a high temperature environment, the fire clay of the slag port can be damaged or failed due to the excessively high temperature, that is, cannot work normally, and after the slag in the slag port is discharged, the fire clay for blocking the slag port is made again, which not only increases the burden of the staff, but also can endanger the safety of the staff, that is, there is a safety hazard.
[0003] Now the slag door of the reverberatory furnace is generally blocked by fire clay, but this way of heat insulation will cause the fire clay to be made again for heat insulation every time the reverberatory furnace is started.
[0004] In the prior art, the utility model patent (CN216073978U) discloses a water jacket for reducing high-temperature settling chamber slagging of a reverberatory furnace, which comprises a water jacket, one end of the water jacket is fixedly provided with an inlet pipe, the other end of the water jacket is fixedly provided with an outlet pipe, a plurality of water channel partitions are fixedly arranged in the water jacket, a slagging reduction water jacket is laid at the bottom of the settling chamber, and production circulating water is connected, so that the temperature at the bottom of the settling chamber is continuously reduced in the high-temperature process, and high-temperature molten particle slag changes from a high-temperature molten state to a solid particle in the settling chamber, the water jacket is located in the settling chamber, the temperature of the slag door cannot be avoided, and the problem that the environmental temperature rises due to the heat radiation of the slag cannot be prevented.
[0005] Based on this, the technical problem to be solved by the case is how to prevent the heat radiation of the reverberatory furnace slag and avoid making fire clay again for heat insulation. UTILITY MODEL CONTENTS
[0006] To solve the above technical problems, the utility model provides a reverberatory furnace slag door water jacket, the slag door water jacket can cool the slag door through the cooling liquid in the containing cavity, thereby prolonging the service life of the slag door, and can prevent the heat radiation of the slag in the slag port, reduce the environmental temperature, on the other hand, the coincidence area of the door body and the slag door can be controlled through the lifting unit to control the discharge efficiency of the slag, the position of the door body can be adjusted by the staff, and the discharge efficiency of the slag is improved under the premise of preventing the heat radiation of the slag as much as possible.
[0007] The technical scheme of the utility model is:
[0008] A kind of reverberatory slag gate water jacket, including door body, for driving door body lifting lifting unit, the door body is equipped with for containing external cooling liquid containing cavity, the top of the door body one end is equipped with input pipe, the other end is equipped with output pipe, the input pipe is communicated with outside, the slag gate is equipped with slag port;The door body is in contact with the slag gate and closes part of slag port, to prevent the heat radiation of slag in slag port;When needing to improve the discharge efficiency of slag, the door body is driven to rise by the lifting unit.
[0009] The above technical scheme of the utility model has at least one of the following advantages or beneficial effects:
[0010] The cooling liquid in the containing cavity can cool the slag gate, thereby prolonging the service life of the slag gate, and preventing the heat radiation of slag in the slag port, reducing the ambient temperature, on the other hand, the overlapping area of the door body and the slag gate can be controlled by the lifting unit to control the discharge efficiency of the slag, and the position of the door body can be adjusted by the staff to improve the discharge efficiency of the slag under the premise of preventing the heat radiation of slag as much as possible. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 It is a perspective view of the utility model embodiment 1;
[0012] Fig. 2 It is a front view of the utility model embodiment 1;
[0013] Fig. 3 It is a sectional view of the utility model embodiment 1.
[0014] Wherein, the reference signs of each drawing are as follows: 1, door body;2, lifting unit;3, slag gate;4, limit plate;11, containing cavity;12, input pipe;13, output pipe;14, fixed column;15, fixed block;21, winch;22, connecting block;31, slag port. DETAILED DESCRIPTION
[0015] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0016] Embodiment 1
[0017] Please refer to Figs. 1-3The utility model provides a kind of reverberatory slag gate water jacket, including door body 1, for driving door body 1 lifting lifting unit 2, the door body 1 inside is equipped with for accommodating external cooling liquid accommodating cavity 11, the top of the door body 1 one end is equipped with input pipe 12, the other end is equipped with output pipe 13, the input pipe 12 is communicated with outside, the slag gate 3 is equipped with slag port 31.
[0018] In practical application, staff starts reverberatory furnace, the temperature in reverberatory furnace is as high as 1200-1500 DEG C, and can generate molten slag, molten slag is liquid form, and molten slag can be discharged from the slag port 31 of the slag gate 3, therefore, staff moves the door body 1 to the door body 1 and slag gate 3 contact and close part slag port 31 by lifting unit 2, to prevent the heat radiation of furnace slag in slag port 31, by this way, molten slag can be cooled, to prevent the heat radiation of molten slag, it needs to be explained that the cooling liquid in the accommodating cavity 11 of the door body 1 can be cooling water, cooling liquid and the like liquid, cooling liquid can be input into the accommodating cavity 11 by input pipe 12 and fill the accommodating cavity 11, and be outputted outward by output pipe 13, specifically, the cooling liquid in the accommodating cavity 11 is circulating flow, to provide cooling effect ceaselessly, prevent slag gate 3 from working under high temperature for a long time, to improve the service life of slag gate 3;On the other hand, when the discharge efficiency of furnace slag needs to be improved, the overlapping area of door body 1 and slag gate 3 can be reduced by driving the door body 1 to ascend by lifting unit 2, to increase the discharge efficiency of molten slag, specifically, staff can adjust according to actual condition.
[0019] Preferably, the accommodating cavity 11 is equipped with a plurality of fixed columns 14, and the plurality of fixed columns 14 are connected to the top and bottom of the accommodating cavity 11 respectively, and the fixed columns 14 are used to make the waterway in the accommodating cavity 11 in a serpentine shape.
[0020] Through the above design, the fixed columns 14 can make the cooling liquid fill the accommodating cavity 11, increase the flowability of the cooling liquid, and make the cooling liquid pass through the accommodating cavity 11 in a serpentine shape, thereby improving the cooling effect of the door body 1 on the slag gate 3.
[0021] More preferably, the fixed columns 14 are integrally formed with the door body 1.
[0022] Through the above design, the fixed columns 14 are integrally formed with the door body 1, which can improve the integrity and stability of the door body 1, and specifically, when the door body 1 is driven to ascend or descend by the lifting unit 2, any panel of the door body 1 can be prevented from falling off due to the hollow of the door body 1 and the self-weight, thereby avoiding safety accidents.
[0023] More preferably, the fixed columns 14 are made of steel.
[0024] In the embodiment, the fixed column 14 needs to bear a certain water pressure and needs a certain strength, so the material of the fixed column 14 needs to adopt steel.
[0025] More preferably, the lifting unit 2 comprises a winch 21 and a connecting block 22 connected between the power output end of the winch 21 and the top of the door body 1, and the winch 21 drives the door body 1 to move upward or downward through the connecting block 22.
[0026] In the embodiment, the lifting unit 2 needs enough force to drive the door body 1 to move up and down, and it should be noted that the winch 21 in the embodiment adopts a 0.5T winch 21, which can stably drive the door body 1 to move up and down.
[0027] More preferably, the top of the door body 1 is provided with a fixed block 15, and the fixed block 15 is detachably connected with the connecting block 22.
[0028] Through the above design, the detachable connection of the fixed block 15 and the connecting block 22 can facilitate the workers to disassemble the door body 1 for maintenance and cleaning.
[0029] Further, it further comprises limiting plates 4 vertically and symmetrically arranged on both sides of the slag door 3, and the limiting plates 4 are used to limit the door body 1 between the limiting plates 4 so that the projection of the door body 1 on the vertical plane is located on the slag door 3.
[0030] In the above design, when the door body 1 is full of cooling liquid, the cooling liquid in the containing cavity 11 will impact left and right when the winch 21 drives the door body 1 to move upward or downward, which causes the door body 1 to be unstable when moving upward or downward, and the limiting plates 4 can ensure that the door body 1 will not deviate to the left or right, that is, ensure that the projection of the door body 1 on the vertical plane is always located on the slag door 3.
[0031] Preferably, it further comprises a temperature sensor, and the temperature sensor is located on one side of the slag door 3.
[0032] In the embodiment, an external temperature control system can be provided, and the temperature sensor is used to obtain the temperature, and the flow and temperature of the cooling liquid are adjusted according to the real-time temperature around the slag door 3, and it should be noted that the temperature sensor is not shown in the figure.
[0033] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A water jacket for a reverberatory slag gate, characterized by, The utility model relates to a slag door, which comprises a door body, a lifting unit for driving the door body to lift, a containing cavity for containing cooling liquid in the door body, an input pipe at one end of the top of the door body, and an output pipe at the other end of the top of the door body. The door body contacts the slag door and closes part of the slag port to prevent the hot radiation of the slag in the slag port. A plurality of fixing columns are arranged in the containing cavity, and the fixing columns are connected to the top and bottom of the containing cavity, respectively.
2. A water jacket for a reverberatory slag gate as defined in claim 1, characterized in that The fixing columns are integrally formed with the door body.
3. A water jacket for a reverberatory slag gate as defined in claim 1, wherein The fixing columns are made of steel.
4. A water jacket for a reverberatory slag gate as defined in claim 1, wherein The lifting unit comprises a winch and a connecting block connected between the power output end of the winch and the top of the door body.
5. A water jacket for a reverberatory slag gate as defined in claim 4, wherein The top of the door body is provided with a fixing block, and the fixing block is detachably connected with the connecting block.
6. A water jacket for a reverberatory slag gate as defined in claim 1, wherein The utility model further comprises limiting plates vertically arranged on both sides of the slag door, which are used to limit the door body between the limiting plates so that the projection of the door body on the vertical plane is located on the slag door.
7. A water jacket for a reverberatory slag gate as defined in claim 1, wherein The utility model further comprises a temperature sensor located on one side of the slag door.
Citation Information
Patent Citations
Water jacket for reducing slag bonding of high-temperature settling chamber of reverberatory furnace
CN216073978U