Totally-closed door of blast furnace casting house
By installing a fully enclosed door below the tuyeres platform in the blast furnace tapping area, using a swing-opening folding door structure and servo motor drive, the problem of smoke and dust overflow from the blast furnace tapping area was solved, achieving effective containment of smoke and dust, and improving the working environment and equipment safety.
Patent Information
- Application Number
- CN202422247016.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-09-12
AI Technical Summary
The overflow of smoke and dust from the blast furnace iron-making yard causes pollution to the working environment and damage to equipment. The existing dust removal system is unable to effectively capture the high-temperature smoke and dust.
Design a fully enclosed door structure, including multiple single-sided door groups, using a swing-folding door structure and servo motor drive to achieve full enclosure under the air vent platform, and using a sliding device and a star-shaped frame to enhance stability.
Effectively seal smoke and dust to prevent it from overflowing, improve the working environment, reduce equipment damage and increase equipment service life.
Smart Images
Figure CN223468413U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a smoke dust closed technology field especially relates to a full closed door of blast furnace casthouse. BACKGROUND
[0002] The blast furnace casthouse is the discharge and collection place of final product molten iron and slag, and is a high-temperature, dusty and labor-intensive operation area in front of the blast furnace.
[0003] The blast furnace casthouse is equipped with a dust removal system during application, but due to the limitation of production process, the blast furnace casthouse smoke dust has the characteristics of high flue gas temperature, fine dust particles, strong paroxysmal, large area emission, and great flue gas volume fluctuation, which brings difficulties to effective capture, resulting in a large amount of high-temperature smoke dust escaping from below the tuyere platform and being discharged into the air, causing pollution of the working environment, and easily causing harm to the personal safety of workers, and a large amount of iron flowers are easily produced during the ironmaking process, which can easily damage the equipment parts during the splashing process. SUMMARY
[0004] The utility model provides a full closed door of blast furnace casthouse, sets up full closed door in the mode of tuyere platform lower part, locks the smoke dust in the closed area and does not leak, can solve the problem that the casthouse smoke dust overflows.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A full closed door of blast furnace casthouse, comprising a plurality of single door groups, a plurality of single door groups form a polygonal full closed door, the single door group comprises a flat folding door structure, the flat folding door structure comprises a door frame, a flat door, a folding door and a driving device,
[0007] The door frame is arranged below the tuyere platform of the blast furnace casthouse, the door frame is composed of a crossbeam and two vertical columns, the upper part of the crossbeam is connected with the tuyere platform, the bottom of the crossbeam is provided with a track, and the bottom of the vertical column is fixedly connected with the ground; the upper part of the folding door is slidably connected with the track through a sliding device;
[0008] The sliding device comprises a fixed block one, a pulley, a connecting shaft and a fixed block two, the pulley is symmetrically arranged on the two sides of the fixed block one, the top end of the connecting shaft is fixedly connected with the fixed block one, and the bottom end is rotatably connected with the fixed block two, the fixed block two is fixedly connected with the top of the folding door, and the pulley is matched with the track;
[0009] One side of the flat door is hinged with the vertical column, the other side is hinged with the folding door, one end of the driving device is hinged with the vertical column, and the other end is hinged with the flat door.
[0010] The flat door and the folding door are both composed of a door plate and a rice-shaped frame, and the door plate is fixedly connected with the rice-shaped frame through welding.
[0011] The driving device is a servo motor cylinder, a fixed seat one is fixedly arranged on the stand column, a fixed seat two is fixedly arranged on the overhead door, and the two ends of the servo motor cylinder are hinged to the fixed seat one and the fixed seat two respectively.
[0012] A guide wheel is arranged above the fixed block one and is matched with the side wall of the track.
[0013] A bearing is mounted on the fixed block two, and the connecting shaft is connected with the fixed block two through the bearing.
[0014] The number of the single-side door groups is six or eight.
[0015] The number of the overhead folding door structure is one or more.
[0016] A handle is arranged on the overhead door.
[0017] A signboard is arranged on the overhead door.
[0018] Compared with the prior art, the beneficial effects of the utility model are:
[0019] 1) The utility model discloses a polygonal fully-closed door arranged below the tuyere platform, realizes full sealing below the tuyere platform, locks the smoke dust in the closed area, avoids the discharge into the air, and causes the pollution of the working environment.
[0020] 2) The overhead door and the folding door are composed of a door plate and a rice-shaped frame in the utility model, the rice-shaped structure has good stability, avoids the deformation of the overhead door and the folding door in the high-temperature environment, and is favorable to prolonging the service life. DRAWINGS
[0021] The drawings constituting a part of the utility model are used to provide further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model and do not constitute improper limitation on the utility model. In the drawings:
[0022] Figure 1 It is a structure schematic view of a fully-closed door of a blast furnace cast house.
[0023] Figure 2 It is a schematic view of an overhead folding door structure of the utility model.
[0024] Figure 3 It is a top view of Figure 2 .
[0025] Figure 4 It is an opening schematic view of the overhead folding door of the utility model.
[0026] Figure 5 It is a sliding device schematic view of the utility model Figure 1 .
[0027] Figure 6 is a sliding device of the utility model Figure 2 .
[0028] Mark explanation:
[0029] In the drawing: 1. tuyere platform 2. single door group 3. flat folding door structure 4. door frame 5. flat door 6. folding door 7. drive device 8. track 9. sliding device 10. signboard 11. handle 401. crossbeam 402. stand 501. door plate 502. mi-shaped frame 701. fixed seat one 702. fixed seat two 901. fixed block one 902. pulley 903. connecting shaft 904. fixed block two 905. bearing 906. guide wheel Specific implementation
[0030] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.
[0031] The specific implementation of the utility model will be further described below in combination with the drawings:
[0032] As Figures 1 to 6 indicated, the utility model provides a full-closed door of blast furnace casthouse, including six single door groups 2, six single door groups 2 form hexagonal full-closed door. Single door group 2 includes two flat folding door structures 3. Flat folding door structure 3 includes door frame 4, flat door 5, folding door 6 and drive device 7.
[0033] Door frame 4 is arranged below tuyere platform 1 of blast furnace casthouse, door frame 4 is formed by crossbeam 401 and two stands 402, the upper portion of crossbeam 401 is connected with tuyere platform 1, the bottom of crossbeam 401 is equipped with track 8, and the bottom of stand 402 is fixedly connected with the ground through foundation bolt. The upper portion of folding door 6 is slidably connected with track 8 through sliding device 9.
[0034] Sliding device 9 includes fixed block one 901, pulley 902, connecting shaft 903 and fixed block two 904. Pulley 902 is symmetrically arranged at the two sides of fixed block one 901. The top end of connecting shaft 903 is fixedly connected with fixed block one 901, bearing 905 is installed on fixed block two 904, and the bottom end of connecting shaft 903 is connected with fixed block two 904 through bearing 905. Fixed block two 904 is fixedly connected with the top of folding door 6. Pulley 902 is matched with track 8. Guide wheel 906 is arranged above fixed block one 901, and guide wheel 906 is matched with the side wall of track 8. When folding door 6 is opened or closed, folding door 6 slides along track 8 and rotates around connecting shaft 903.
[0035] The flat door 5 is hinged to the stand column 402 on one side and hinged to the folding door 6 on the other side. The driving device 7 is hinged to the stand column 402 on one end and hinged to the flat door 5 on the other end, and the hinge point is close to the folding door 6, so that the driving device 7 can drive the flat door 5 to rotate to open or close.
[0036] In the utility model, the flat door 5 and the folding door 6 are both composed of a door plate 501 and a rice-shaped frame 502, and the door plate 501 is fixedly connected with the rice-shaped frame 502 through welding.
[0037] The driving device 7 is a servo motor cylinder, the stand column 402 is fixedly provided with a fixed seat one 701, the flat door 5 is fixedly provided with a fixed seat two 702, and the two ends of the servo motor cylinder are hinged to the fixed seat one 701 and the fixed seat two 702 respectively.
[0038] The flat door 5 is provided with a signboard 10 and a handle 11, and the handle 11 is arranged close to the folding door 6.
[0039] The utility model application process is as follows:
[0040] When the servo motor cylinder is retracted, the flat door 5 is rotated to open, and the folding door 6 is simultaneously driven to slide along the slide rail 8 to be folded and opened;
[0041] When the servo motor cylinder is elongated, the flat door 5 is rotated to close, and the folding door 6 is simultaneously driven to slide along the slide rail 8 to be closed.
[0042] The preferred embodiments of the utility model are described in detail above with reference to the drawings, but the utility model is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical solutions of the utility model within the technical concept of the utility model, and these simple modifications all belong to the protection scope of the utility model. In addition, it should be noted that the various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the utility model will not further describe various possible combination manners. In addition, the various different embodiments of the utility model can also be combined in any manner, as long as it does not deviate from the technical concept of the utility model, and it should be considered as the disclosed content of the utility model.
Claims
1. A fully closed door for a blast furnace cast house, characterized in that, The single-side door group comprises a flat folding door structure; the flat folding door structure comprises a door frame, a flat door, a folding door and a driving device; The door frame is arranged below a tuyere platform of a blast furnace cast house, the door frame is composed of a cross beam and two vertical columns, the upper part of the cross beam is connected with the tuyere platform, the bottom of the cross beam is provided with a track, and the bottom of the vertical column is fixedly connected with the ground; the upper part of the folding door is slidably connected with the track through a sliding device; The sliding device comprises a fixed block one, a pulley, a connecting shaft and a fixed block two; the pulley is symmetrically arranged on the two sides of the fixed block one; the top end of the connecting shaft is fixedly connected with the fixed block one, and the bottom end is rotatably connected with the fixed block two; the fixed block two is fixedly connected with the top of the folding door; the pulley is matched with the track; One side of the flat door is hinged with the vertical column, and the other side is hinged with the folding door; one end of the driving device is hinged with the vertical column, and the other end is hinged with the flat door.
2. A fully-enclosed door for a blast furnace cast house according to claim 1, characterized in that, The flat door and the folding door are both composed of a door plate and a rice-shaped frame, and the door plate is fixedly connected with the rice-shaped frame through welding.
3. A fully enclosed door for a blast furnace cast house according to claim 1, characterised in that, The driving device is a servo motor cylinder, a fixed seat one is fixedly arranged on the vertical column, a fixed seat two is fixedly arranged on the flat door, and the two ends of the servo motor cylinder are hinged with the fixed seat one and the fixed seat two respectively.
4. A fully enclosed door for a blast furnace cast house according to claim 1, characterized in that A guide wheel is arranged above the fixed block one, and the guide wheel is matched with the side wall of the track.
5. A fully enclosed door for a blast furnace cast house according to claim 1, characterized in that A bearing is mounted on the fixed block two, and the connecting shaft is connected with the fixed block two through the bearing.
6. A totally enclosed door for a blast furnace casthouse according to claim 1, characterised in that, The number of the single-side door group is six or eight.
7. A fully enclosed door for a blast furnace cast house according to claim 1, characterised in that, The number of the flat folding door structure is one or more.
8. A totally enclosed door for a blast furnace casthouse according to claim 1, characterised in that, A handle is arranged on the flat door.
9. A totally-enclosed door for a blast furnace casthouse according to claim 1, characterized in that, An identification board is arranged on the flat door.