Novel fire observation door

Abstract

The utility model discloses a novel fire observation door which comprises a fire observation door frame arranged on the outer side of a fire observation opening and a movable door body installed on the fire observation door frame, and the movable door body is used for closing the fire observation opening to achieve sealing operation after entering the fire observation door frame and opening the fire observation door after leaving the fire observation door frame. The movable door body comprises a movable door steel structure and a movable door lining, the movable door steel structure is used for covering the top face of the movable door lining, and the movable door lining is used for conducting heat insulation on the interior and exterior of the fire observation opening. The fire observation door frame is arranged on the outer side of the fire observation opening, the movable door body is installed on the fire observation door frame, the fire observation opening is opened or closed by entering and exiting the fire observation opening through the movable door body, the movable door steel structure in the movable door body covers the top face of the movable door lining, and the movable door lining conducts heat insulation and heat preservation on the interior and the exterior of the fire observation opening. The movable door steel structure and the heat preservation lining are integrally assembled in advance, and it is guaranteed that the fire observation door is integrally and conveniently installed, heat preservation materials are evenly distributed, and sealing is good.

Description

Technical Field

[0001] This utility model relates to the field of industrial kiln technology, and in particular to a novel fire-watching door. Background Technology

[0002] Fire observation doors are an important component of industrial kilns, used to observe the fire inside the furnace and judge the kiln's operating status. They are currently widely used in industries such as petrochemicals.

[0003] The old-style fire door can be opened by turning it. Due to its low degree of freedom, the fire door lining needs to be made into a truncated pyramid shape with a large slope. The slope of the truncated pyramid will increase with the insulation thickness. This will lead to uneven distribution of insulation material, resulting in local high temperature and significant heat loss. At the same time, it also requires higher sealing performance after the new fire door and lining are assembled.

[0004] Therefore, a new type of fire door is needed to ensure its heat insulation and sealing performance. Utility Model Content

[0005] The purpose of this utility model is to provide a new type of fire door that ensures convenient overall installation and uniform distribution and good sealing of the insulation material.

[0006] To solve the above-mentioned technical problems, this utility model provides a novel fire observation door, including a fire observation door frame disposed on the fire observation port side and a movable door body installed on the fire observation door frame. The movable door body closes the fire observation port after entering the fire observation port to seal the fire observation port, and opens the fire observation door after leaving the fire observation door frame. The movable door body includes a movable door steel structure and a movable door lining. The movable door steel structure is used to cover the top surface of the movable door lining, and the movable door lining is used to provide heat insulation for the inside and outside of the fire observation port.

[0007] The system also includes a transition piece for the movable door, which is disposed between the movable door steel structure and the movable door lining. The axial direction of the transition piece coincides with the axis of the movable door steel structure and the movable door lining. The cross-sectional diameter of the transition piece perpendicular to the axis is larger than the cross-sectional diameter of the movable door lining perpendicular to the axial direction. The movable door steel structure covers the top and side surfaces of the transition piece.

[0008] The cross-section of the movable door steel structure parallel to the fire door is circular or rectangular.

[0009] The movable door steel structure, the movable door lining, and the movable door transition piece are fixed by anchors that pass through the movable door steel structure and the movable door lining and extend into the movable door transition piece, or the movable door steel structure, the movable door lining, and the movable door transition piece are an integral structure.

[0010] The device also includes a long connector located in the lower middle part of the door lining connecting to the anchor, a short connector located at the bottom of the anchor perpendicular to the long connector, and a connecting plate located on the door transition piece to fix the upper part of the anchor. The connecting plate is perpendicular to the multiple parallel anchors and is engaged with the anchors. The two ends of the long connector and the short connector are bolted to the anchors.

[0011] The width of the connecting plate and the width of the long connecting piece are greater than the diameter of the anchor.

[0012] This also includes at least one handle that is disposed on the steel structure of the movable door away from the fire door.

[0013] The system also includes a crank assembly connecting the movable door steel structure and the fire door frame. The crank assembly includes a rotating shaft, a first crank structure, and a second crank structure. The first end of the first crank structure is rotatably connected to the upper side of the movable door steel structure, and the second end is rotatably connected to the upper part of the rotating shaft. The first end of the second crank structure is bolted to the lower side of the movable door steel structure, and the second end is rotatably connected to the lower part of the rotating shaft. The first crank structure and the second crank structure include a first swing arm, a pin, and a second swing arm. The first end of the first swing arm is bolted to the movable door steel structure, and the second end is rotatably connected to the pin. The first end of the second swing arm is rotatably connected to the pin, and the second end is rotatably connected to the rotating shaft.

[0014] The first crank structure and the second crank structure have the same shape and the same size.

[0015] The fire-viewing door frame includes a door frame lining and a door frame steel structure that is built into the door frame lining and installed in the fire-viewing opening. The fire-viewing door frame is connected to the door frame steel structure, the door frame lining and the fire-viewing door bolt in sequence by a first bolt.

[0016] The novel fire-watching door provided in this embodiment of the invention has the following advantages compared with the prior art:

[0017] The novel fire-viewing door provided in this embodiment of the utility model has a fire-viewing door frame set on the outside of the fire-viewing opening, and a movable door body installed on the fire-viewing door frame. The fire-viewing opening can be opened or closed by entering and exiting through the movable door body. The movable door steel structure in the movable door body covers the top surface of the movable door lining. The movable door lining provides heat insulation for the inside and outside of the fire-viewing opening. The movable door steel structure and the heat insulation lining are pre-installed as a whole, which ensures convenient overall installation of the fire-viewing door and uniform distribution and good sealing of the heat insulation material. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A schematic diagram of the assembly structure of one embodiment of the novel fire door provided by this utility model;

[0020] Figure 2 A front structural schematic diagram of the movable door lining anchor of one embodiment of the novel fire door provided in this utility model;

[0021] Figure 3 A schematic diagram of the left side of the movable door lining anchor of an embodiment of the novel fire door provided by this utility model;

[0022] Figure 4 A top view of the movable door lining anchor of an embodiment of the novel fire door provided by this utility model;

[0023] Figure 5 A schematic diagram of the side view of the movable door lining structure of one embodiment of the novel fire door provided by this utility model;

[0024] Figure 6 A front structural schematic diagram of an embodiment of the novel fire-watching door provided by this utility model;

[0025] Among them, 10-fire door frame, 20-moving door body, 21-moving door steel structure, 22-moving door lining, 23-moving door transition piece, 30-anchor, 40-connecting plate, 50-long connector, 60-short connector, 70-crank assembly, 72-rotating shaft, 71-first crank structure, 711-first swing arm, 713-pin, 712-second swing arm, 714-bolt, 715-nut, 80-handle. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please refer to Figures 1-6 , Figure 1 A schematic diagram of the assembly structure of one embodiment of the novel fire door provided by this utility model; Figure 2 A front structural schematic diagram of the movable door lining anchor of one embodiment of the novel fire door provided in this utility model; Figure 3 A schematic diagram of the left side of the movable door lining anchor of an embodiment of the novel fire door provided by this utility model; Figure 4 A top view of the movable door lining anchor of an embodiment of the novel fire door provided by this utility model; Figure 5 A schematic diagram of the side view of the movable door lining structure of one embodiment of the novel fire door provided by this utility model; Figure 6 This is a front structural diagram of one embodiment of the novel fire-watching door provided by this utility model.

[0028] In one specific embodiment, the novel fire-viewing door includes a fire-viewing door frame 10 disposed outside the fire-viewing opening and a movable door body 20 installed on the fire-viewing door frame 10. The movable door body 20 closes the fire-viewing door after entering the fire-viewing opening to seal the fire-viewing opening, and opens the fire-viewing opening after leaving the fire-viewing door frame 10. The movable door body 20 includes a movable door steel structure 21 and a movable door lining 22. The movable door steel structure 21 is used to cover the top surface of the movable door lining 22, and the movable door lining 22 is used to provide heat insulation for the inside and outside of the fire-viewing opening.

[0029] By setting a fire door frame 10 on the outside of the fire door and installing a movable door body 20 on the fire door frame 10, the fire door can be opened or closed by entering and exiting through the movable door body 20. The movable door steel structure 21 in the movable door body 20 covers the top surface of the movable door lining 22. The movable door lining 22 provides heat insulation for the inside and outside of the fire door. The movable door steel structure and the heat insulation lining are pre-assembled as a whole, which ensures that the fire door is easy to install and that the heat insulation material is evenly distributed and well sealed.

[0030] To further improve the sealing effect and facilitate the connection of the movable door steel structure, in one embodiment, the novel fire door further includes a movable door transition piece 23 disposed between the movable door steel structure 21 and the movable door lining 22. The axial direction of the movable door transition piece 23 coincides with the axis of the movable door steel structure 21 and the movable door lining 22. The cross-sectional diameter of the movable door transition piece 23 perpendicular to the axis is larger than the cross-sectional diameter of the movable door lining 22 perpendicular to the axial direction. The movable door steel structure 21 covers the top and side surfaces of the movable door transition piece 23.

[0031] By setting a transition piece 23 between the movable door steel structure 21 and the movable door lining 22, the connection difficulty can be reduced when the movable door steel structure 21 and the movable door lining 22 cannot be directly connected or the direct connection is difficult. Alternatively, when it is necessary to improve the insulation effect, the transition piece 23 can be used to insulate the movable door steel structure 21 and the movable door lining 22, thereby improving the insulation effect.

[0032] This application does not limit the material, size, or connection method of the transition piece 23 for the movable door.

[0033] This application does not limit the shape and structure of the movable door steel structure 21. The cross section of the movable door steel structure 21 parallel to the fire door is circular, rectangular, or other shapes.

[0034] This application does not limit the connection method of the movable door steel structure 21, the movable door lining 22, and the movable door transition piece 23. The movable door steel structure 21, the movable door lining 22, and the movable door transition piece 23 are fixed by anchors 30 that pass through the movable door steel structure 21 and the movable door lining 22 and extend into the movable door transition piece 23, or the anchors 30 are set in the movable door lining 22, with both ends of the anchors 30 extending out of the top and bottom surfaces of the movable door lining 22. Finally, the top is connected by bolts through the movable door steel structure 21, and the bottom is connected by bolts, etc., to connect new insulation components, or the excess parts in the pre-manufacturing process are cut off, or the movable door steel structure, the movable door lining, and the movable door transition piece are an integral structure or connected in other ways.

[0035] In order to further improve the connection method of the anchor 30 in this application, in one embodiment, the novel fire door further includes a long connector 50 disposed on the lower part of the movable door lining 22 connecting the anchor 30, a short connector 60 disposed at the bottom of the anchor 30 perpendicular to the long connector 50, and a connecting plate 40 disposed on the movable door transition member 23 to fix the upper part of the anchor 30. The connecting plate 40 is perpendicular to the plurality of mutually parallel anchors 30 and is snapped into the anchors 30. The two ends of the long connector 50 and the short connector 60 are bolted to the anchors 30.

[0036] By setting a connecting plate 40 in the movable door lining 22 and setting a long connecting piece 50 and a short connecting piece 60 in the movable door transition piece 23, the multiple parallel anchors 30 are connected to form a whole, thereby improving the overall structural strength.

[0037] This application does not limit the size or connection method of the connecting plate 40, the long connector 50, and the short connector 60.

[0038] Generally, the connecting plate 40 is set in the lining 22 of the movable door. The connecting plate 40, long connecting piece 50, and short connecting piece 60 are usually pre-connected to the anchor 30. Then, through casting, deposition, or other methods, the long connecting piece 50, short connecting piece 60, connecting plate 40, and anchor 30 are set inside the lining 22 of the movable door. Then, the external anchor 30 is connected by the long connecting piece 50.

[0039] This application includes, but is not limited to, the connection methods described above.

[0040] To improve the reliability of the connection, in one embodiment, the width of the connecting plate 40 and the width of the long connector 50 are greater than the diameter of the anchor 30.

[0041] By using a width greater than that of the connecting plate 40 and the long connecting piece 50 than that of the anchor 30, the anchor 30 can be snapped or bolted together, thus improving the reliability of the connection.

[0042] This application does not limit the width of the connecting plate 40, the width of the long connecting piece 50, or the diameter of the anchor 30.

[0043] To further facilitate the opening or closing of the fire door, in one embodiment, the novel fire door also includes at least one handle 80 disposed on the movable door steel structure 21 opposite to the fire door.

[0044] By installing a handle 80 on the movable door steel structure 21, the fire door can be easily opened or closed from the outside.

[0045] This application does not limit the shape, size, structure, quantity, installation method, or installation location of the handle 80.

[0046] This application includes, but is not limited to, using a handle to open or close the fire door. Electromagnets or similar devices can also be used to install on the steel structure 21 of the movable door. The electromagnets can push or pull the steel structure 21 of the movable door to achieve the purpose of opening or closing the fire door.

[0047] To further improve the ease of opening the fire door, in one embodiment, the novel fire door further includes a crank assembly 70 connecting the movable door steel structure 21 and the fire door frame 10. The crank assembly 70 includes a rotating shaft 72, a first crank structure 71, and a second crank structure. The first end of the first crank structure 71 is rotatably connected to the upper side of the movable door steel structure 21, and the second end is rotatably connected to the upper part of the rotating shaft 72. The first end of the second crank structure is bolted to the lower side of the movable door steel structure 21, and the second end is bolted to the lower side of the fire door frame 10. The lower part of the rotating shaft 72 is rotatably connected. The first crank structure 71 and the second crank structure include a first swing arm 711, a pin 713 and a second swing arm 712. The first end of the first swing arm 711 is bolted to the movable door steel structure 21 and the second end is rotatably connected to the pin 713. The first end of the second swing arm 712 is rotatably connected to the pin 713 and the second end is rotatably connected to the rotating shaft 72. The first end of the first swing arm 711 is bolted to the movable door steel structure 21 by bolts 714 and nuts 715.

[0048] By setting a rotating shaft 72 and a crank structure, and setting two swing arms in the crank structure and connecting them by a pin, the degree of freedom during the opening process is improved, and the convenience and efficiency of opening are enhanced. After opening, the movable door steel structure 21 can be moved a large distance away from the fire door, reducing the impact on subsequent operations.

[0049] This application includes, but is not limited to, the crank structure described above, and does not limit the size, quantity, or installation method of the crank structure.

[0050] Preferably, the first crank structure 71 has the same shape and the same size as the second crank structure.

[0051] The shape and size of the first crank structure 71 and the second crank structure in this application may not be the same, and can be designed as needed.

[0052] To further improve the overall thermal insulation performance, in one embodiment, the fire door frame 10 includes a door frame lining and a door frame steel structure that houses the door frame lining and is installed in the fire opening. The fire door frame is connected to the door frame steel structure, the door frame lining, and the fire door bolt in sequence by a first bolt passing through the first bolt.

[0053] By setting a door frame lining and a door frame steel structure in the fire door frame 10, and connecting the fire door frame 10 to the door bolt by passing through the door frame steel structure and the door frame lining in sequence with the first bolt, heat insulation between the inside and outside is achieved through the door frame lining, which improves the heat preservation effect and also improves the safety of external operation, avoiding burns due to heat leakage.

[0054] In one embodiment, the novel fire-watching door includes a fire-watching door frame 10, a door frame lining, a movable door, a movable door lining 22, anchors 30, and a crank assembly 70. The door frame lining is fixed to the outer wall of the kiln by bolts and nuts. The door frame and the movable door are connected by the crank assembly 70, and the movable door is attached to the lining using the anchors 30. The movable door has a high degree of freedom, allowing the insulation lining of the movable door to maintain a high degree of integrity, ensuring uniform overall insulation distribution in the kiln and avoiding localized high temperatures. All components fit tightly and have good sealing. A set of novel fire-watching doors can be pre-assembled, making on-site installation convenient.

[0055] The sliding door liner 22 has pre-embedded anchors 30, which are securely connected to the sliding door through the anchors 30 and nuts. The sliding door and the door frame are connected together through a crank assembly 70, which increases the degree of freedom of movement of the fire door assembly. The hot end of the sliding door liner 22 is made into a truncated pyramid shape with a certain slope, which increases the space allowance and reduces the difficulty of matching the sliding door liner 22 with the door frame liner.

[0056] The use of a crank assembly 70 increases the freedom of the movable door, allowing it to open and close freely. The steel structure 21 of the movable door and the lining are connected by anchors 30, and the lining is relatively thick to provide thermal insulation. The door frame lining is embedded in the fire door frame 10, equipped with bolts and nuts, and welded to the furnace wall during on-site installation to fix the door frame; to open the fire door, one must hold the handle and pull it backward, then move it to one side.

[0057] The long connector 50 and the short connector 60 are perpendicular in length direction; the anchor 30 is made entirely of heat-resistant stainless steel, mainly 06Cr25Ni20 (310S).

[0058] In summary, the novel fire door provided by this utility model embodiment features a fire door frame on the outside of the fire door and a movable door body installed on the fire door frame. The fire door can be opened or closed by allowing entry and exit through the movable door body. The movable door steel structure in the movable door body covers the top surface of the movable door lining, and the movable door lining provides heat insulation for both the inside and outside of the fire door. The movable door steel structure and the heat insulation lining are pre-installed as a whole, ensuring convenient overall installation of the fire door and uniform distribution and good sealing of the insulation material.

[0059] The novel fire-viewing door provided by this utility model has been described in detail above. Specific examples have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A novel fire-watching door, characterized in that, The device includes a fire observation door frame located outside the fire observation opening and a movable door body installed on the fire observation door frame. The movable door body is used to close the fire observation opening to seal it after entering the fire observation opening, and to open the fire observation door after leaving the fire observation door frame. The movable door body includes a movable door steel structure and a movable door lining. The movable door steel structure is used to cover the top surface of the movable door lining, and the movable door lining is used to provide heat insulation for the inside and outside of the fire observation opening.

2. The novel fire-watching door as described in claim 1, characterized in that, It also includes a movable door transition piece disposed between the movable door steel structure and the movable door liner. The axial direction of the movable door transition piece coincides with the axis of the movable door steel structure and the movable door liner. The cross-sectional diameter of the movable door transition piece perpendicular to the axis is larger than the cross-sectional diameter of the movable door liner perpendicular to the axial direction. The movable door steel structure covers the top surface and side surface of the movable door transition piece.

3. The novel fire-watching door as described in claim 2, characterized in that, The cross-section of the movable door steel structure parallel to the fire door is circular or rectangular.

4. The novel fire-watching door as described in any one of claims 2-3, characterized in that, The movable door steel structure, the movable door lining, and the movable door transition piece are fixed by anchors that pass through the movable door steel structure and the movable door lining and extend into the movable door transition piece, or the movable door steel structure, the movable door lining, and the movable door transition piece are an integral structure.

5. The novel fire-watching door as described in claim 4, characterized in that, It also includes a long connector disposed in the lower middle part of the movable door liner connecting the anchor, a short connector disposed at the bottom of the anchor perpendicular to the long connector, and a connecting plate disposed in the movable door transition piece to fix the upper part of the anchor. The connecting plate is perpendicular to the plurality of mutually parallel anchors and is snapped into the anchor. The two ends of the long connector and the short connector are bolted to the anchor.

6. The novel fire-watching door as described in claim 5, characterized in that, The width of the connecting plate and the width of the long connecting piece are greater than the diameter of the anchor.

7. The novel fire-watching door as described in claim 1, characterized in that, It also includes at least one handle disposed on the steel structure of the movable door away from the fire door.

8. The novel fire-watching door as described in claim 1, characterized in that, It also includes a crank assembly connecting the movable door steel structure and the fire door frame. The crank assembly includes a rotating shaft, a first crank structure, and a second crank structure. The first end of the first crank structure is rotatably connected to the upper side of the movable door steel structure, and the second end is rotatably connected to the upper part of the rotating shaft. The first end of the second crank structure is bolted to the lower side of the movable door steel structure, and the second end is rotatably connected to the lower part of the rotating shaft. The first crank structure and the second crank structure include a first swing arm, a pin, and a second swing arm. The first end of the first swing arm is bolted to the movable door steel structure, and the second end is rotatably connected to the pin. The first end of the second swing arm is rotatably connected to the pin, and the second end is rotatably connected to the rotating shaft.

9. The novel fire-watching door as described in claim 8, characterized in that, The first crank structure has the same shape and the same size as the second crank structure.

10. The novel fire-watching door as described in claim 1, characterized in that, The fire door frame includes a door frame lining and a door frame steel structure disposed in the door frame lining away from the fire door. The fire door frame is bolted to the door frame steel structure, the door frame lining and the fire door in sequence by a first bolt.

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