Carbon dioxide fire preventing and extinguishing plate for limited space and mounting rack

Abstract

The utility model belongs to the public safety industry, and particularly relates to a carbon dioxide fire preventing and extinguishing plate and a mounting rack for a limited space, which are characterized in that powdered or fine crystal sodium bicarbonate or monoclinic crystal potassium bicarbonate is uniformly coalesced in an A-grade porous non-combustible material plate in a physical mode, a peripheral net is sleeved outside the non-combustible material plate, and the carbon dioxide fire preventing and extinguishing plate is mounted on the mounting rack. A hook is fixed on any surface of the periphery of the peripheral net, or angle beads are fixedly arranged at four corners of the non-combustible material plate; the mounting rack is a frame-shaped hanging rack which is fixed above the plane base, the rear surface of the frame-shaped hanging rack is vertical, and the front surface of the frame-shaped hanging rack is an inclined surface; the fire preventing and extinguishing plate has the functions of fire prevention, fire control and fire extinguishment, a large number of fire preventing and extinguishing plates are laid in a limited space, when the temperature rises to a certain threshold value, carbon dioxide and water vapor sufficient to protect the space from combustion or extinguishment are automatically released, and the carbon dioxide and the water vapor have the functions of fire prevention and extinguishment. The fire preventing and extinguishing plate is simple in structure, convenient to install and use, safe and reliable.

Description

Technical Field

[0001] The utility model belongs to the public safety industry, and particularly relates to a carbon dioxide fire extinguishing board and a mounting frame for a confined space. Background Art

[0002] Confined spaces encompass a wide range of locations, including high-rise elevator shafts, cable shafts, smoke exhaust ducts, various cabin-type confined spaces, various types of containers used in transportation, industrial and civilian box transformers, large industrial dust collectors, railways, highways, subways, tunnels, various electrical control rooms, switchgear, and large above-ground or underground storage tanks in chemical parks. These confined spaces are difficult to detect in the early stages of a fire, and once discovered, they are difficult to extinguish, especially in areas prone to combustion and explosions, which can disrupt production and daily life. Summary of the Invention

[0003] The purpose of the utility model is to overcome the above technical deficiencies and provide a carbon dioxide fire extinguishing board and mounting bracket for confined spaces which has a simple structure, is easy to use and has good fire extinguishing effect.

[0004] The technical solution adopted by the utility model to solve the technical problem is that the carbon dioxide fire extinguishing board and the mounting frame for confined space include: an outer net and a hook. The characteristic is that the fire extinguishing board is a non-combustible material board, and the non-combustible material board is a multi-layer non-combustible material stacked and then punctured with needles to make it bonded together.

[0005] An outer net is set on the outside of the non-combustible material board, and hooks are fixed on any one side of the outer net, or corner guards are fixed at the four corners of the non-combustible material board, and nail holes are provided on the corner guards and the non-combustible material board inside the corner guards; the mounting frame is a frame-shaped hanging rack fixed above the flat base with a vertical back and an inclined front, and hanging rod grooves are correspondingly provided on the two symmetrically parallel vertical and inclined surfaces of the hanging rack, and hanging rods are placed in the hanging rod grooves, and the non-combustible material boards are hung on the hanging rods through hooks arranged without spacing.

[0006] The present invention provides the following beneficial effects: the porous Class A non-combustible material contained in the carbon dioxide fire extinguishing panels and mounting brackets for confined spaces not only provides flame retardancy but also provides fire prevention, fire control, and fire extinguishing properties. When a large number of these panels are installed within a confined space, when the temperature in the confined space rises to a certain threshold, they automatically release sufficient carbon dioxide and water vapor to protect the space from combustion or extinguish the fire, without requiring any detection, alarm equipment, or manual or remote control. The carbon dioxide and water vapor provide fire prevention and extinguishing properties. The panels have a simple structure, are easy to install and use, and are safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 This is the structural front view of the carbon dioxide fire extinguishing panel for confined spaces.

[0008] Figure 2 is Figure 1 the top view of...

[0009] Figure 3 It is the structural diagram for fixing the fire prevention and extinguishing board.

[0010] Figure 4 It is the structural diagram of the installation frame for the fire prevention and extinguishing board.

[0011] In the figure: 1 - the peripheral protection net of the board; 2 - the incombustible material board; 2-1 - the acupuncture holes; 3 - sodium bicarbonate and potassium bicarbonate; 4 - the hook; 5 - the corner guard; 5-1 - the nail holes; 6 - the hanging rack; 6-1 - the groove of the hanging rod; 7 - the hanging rod; 8 - the base; Specific implementation method

[0012] Example, referring to the appendix Figures 1 to 3 For the incombustible material board 2 of the carbon dioxide fire prevention and extinguishing board for confined spaces, it is an aluminosilicate needle-punched fiber board. The material used is aluminosilicate blown or spun fibers stacked in multiple layers. After stacking the multiple layers of materials, acupuncture holes 2-1 are made to bond them together. Sodium bicarbonate and potassium bicarbonate 3 or calcium bicarbonate are evenly added respectively when each layer of material is in a fluffy state before stacking or during the aggregation process. When the finished thickness of the incombustible material board 2 is 2 cm, 7 kg of sodium bicarbonate and potassium bicarbonate 3 are added per square meter of the board. When the thickness of the incombustible material board 2 is 3 cm, 8 kg of sodium bicarbonate and potassium bicarbonate 3 are added per square meter of the board. When the thickness of the incombustible material board 2 is 5 cm, 10 kg of sodium bicarbonate and potassium bicarbonate 3 are added per square meter. The fluffy incombustible material board 2 added with sodium bicarbonate and potassium bicarbonate 3 is subjected to shaping, rolling, acupuncture, and shaping. The incombustible material board 2 is cut into different sizes according to needs. Another method for making the incombustible material board 2 is: Prepare a saturated solution of sodium bicarbonate with 10 catties of water at 60 degrees, and the weight of the powdered sodium bicarbonate is 1.6 kg; slowly pour the crystalline potassium bicarbonate into the solution and stir evenly. When the added amount is 5.2 kg, the solubility of this mixture is in a saturated state; Cut a 2-cm-thick, 0.6-m-wide, and 7.2-m-long aluminosilicate needle-punched fiber board into 0.2 square meters, and exactly 5 pieces can adsorb the saturated solution. Place the impregnated incombustible material board 2 flat on the drying rack without any liquid leaking or dripping. Dry or air-dry the above-mentioned incombustible material board 2 in an environment below 60 degrees, and complete the process of aggregating the compounds containing carbon dioxide and water on the incombustible material board. Install a peripheral protection net 1 made of fire-resistant rope or steel wire on the periphery of the incombustible material board 2 of different sizes, and fix a hook 4 on any side of the peripheral protection net 1. The incombustible material board 2 is hung in the confined space through the hook 4. Or install corner guards 5 at the four corners of the incombustible material board 2, and directly nail it to the wall through the nail holes 5-1 on the corner guards 5.

[0013] Referring to the appendix Figure 4, when the non-combustible material board 2 needs to be installed in a confined space, the installation rack used is a frame-shaped hanging rack 6 with a vertical rear and an inclined front fixed above a flat base 8. A plurality of hanging rod grooves 6-1 are correspondingly arranged on the front faces of the two vertical and inclined side plates of the hanging rack 6. Hanging rods 7 are arranged in the hanging rod grooves 6-1, and the hanging rods 7 are arranged on the hanging rods 7 in a non-spacing manner through the hooks 4 on the board peripheral protection net 1 on the non-combustible material board 2.

[0014] The following is an example of use. Use an old transformer room with an inner wall surface area of 25.1 square meters. Install the non-combustible material board 2 with a thickness of 2 cm in the transformer room through the nail holes on the hanging rack 6 or the corner guard 5. An industrial thermometer is installed at the indoor heat dissipation and ventilation opening. A steel oil barrel is placed in the center of the ground. 20 liters of transformer oil is injected into the oil barrel. The transformer oil in the oil barrel is ignited and the box door is closed. There is a black fire-colored flame in the room, and thick black smoke gushes out from the ventilation opening. After 2.5 minutes, no flame can be seen through the observation port, and thick black smoke still gushes out from the ventilation opening. At this time, the thermometer shows a temperature of 539 degrees and the temperature no longer rises. After 8 minutes, no flame can be seen through the observation hole, and white smoke begins to appear at the ventilation opening. The thermometer shows a temperature of 450 degrees and the transformer oil stops burning. After 20 minutes, the white smoke at the ventilation opening becomes lighter, the temperature shows 180 degrees, and there is no phenomenon of reignition. Open the transformer room door, and a large amount of white smoke still emits. After the smoke has dissipated, the temperature of the transformer oil in the oil barrel is measured to be 330 degrees, and the remaining oil volume in the barrel is 17.5 liters.

[0015] The working principle of the present invention is as follows: In the non-combustible material board 2, sodium bicarbonate and potassium bicarbonate 3 start to automatically release carbon dioxide when the temperature in the confined space reaches 60-80 degrees, and all are released when the temperature reaches 270 degrees. When the temperature in the confined space reaches 100 degrees, potassium bicarbonate starts to release carbon dioxide and is completely released when the temperature reaches 200 degrees. Both release carbon dioxide when encountering high temperatures. At the same time, an equal amount of water vapor is generated. The carbon dioxide sinks to the bottom of the space, and the substances in the confined space are under the protection of sufficient carbon dioxide gas and cannot be ignited or continue to burn. Without any equipment alarm, the functions of fire prevention, fire control, and fire extinguishing can be automatically achieved.

Claims

1. A carbon dioxide fire prevention and extinguishing board and mounting rack for a confined space, comprising a non-combustible material board (2), characterized in that, The non-combustible material board (2) is formed by stacking multiple layers of non-combustible materials and then bonding them together by puncturing holes (2-1). A board peripheral protection net (1) is sleeved outside the non-combustible material board (2). Hooks (4) are fixed on any one of the four sides of the board peripheral protection net (1), or corner guards (5) are fixedly provided at the four corners of the non-combustible material board (2). Nail holes (5-1) are provided on the non-combustible material board (2) within the corner guards (5) and the corner guards (5).

2. The carbon dioxide fire prevention and extinguishing board and mounting rack for confined spaces according to claim 1, characterized in that, The non-combustible material board (2) is hung on the mounting rack through the board peripheral protection net (1). The mounting rack is a frame-shaped hanging rack (6) with a vertical rear and an inclined front fixed above a flat base (8). Hanging rod grooves (6-1) are correspondingly provided on the two vertical and inclined surfaces that are symmetric and parallel to the hanging rack (6). Hanging rods (7) are placed in the hanging rod grooves (6-1). The non-combustible material boards (2) are hung on the hanging rods (7) in a non-spacing arrangement through the hooks (4).

Images