CN205063070U - Fire prevention heat preservation freezer board - Google Patents

Abstract

The utility model provides a fire prevention heat preservation freezer board belongs to architectural decoration technical field, especially relates to a fire prevention heat preservation freezer board. The utility model provides a both possessed good thermal insulation performance, possessed fine fire behavior's fire prevention heat preservation freezer board again. The utility model discloses a steel sheet is provided with the rock wool board on the steel sheet under its structural feature down, and rock wool board upper end is provided with the polyurethane layer, and polyurethane layer upper end is provided with the steel sheet, go up the steel sheet and all be provided with the turn -up with lower steel sheet both sides, extend to the inboard after one side turn -up curls to the middle part and form the slot, extend the formation plug to the outside after the opposite side turn -up bends to the middle part, rock wool board and polyurethane layer both sides terminal surface one side with slot bottom parallel and level, the opposite side with plug outer end parallel and level, the longitudinal section of going up steel sheet and lower steel sheet is square waveform, the steel sheet passes through the inseparable crosslinked of high fire -retardant binder with the rock wool board down.

Description

A fire-proof and heat-insulating cold storage board

technical field

The utility model belongs to the technical field of building decoration materials, in particular to a fire-proof and heat-insulating cold storage board.

Background technique

At present, the cold storage board has become the mainstream board used in cold storage buildings. The board is uniform and stable, with excellent heat insulation and waterproof performance, and light weight, which can effectively solve the temperature difference in the cold storage industry; its thermal conductivity can reach 0.025W/(㎡·K), The bending bearing capacity can reach 1.4KN/㎡. However, most of the existing cold storage panels are composed of two layers of steel plates inside and outside and a middle polyurethane layer. The pure polyurethane sandwich makes the fire protection level of most cold storage panels only reach the requirements specified in GB8624-2012 for the combustion performance classification of building materials and products. B3 level, the fire prevention effect can no longer meet the needs of the market.

Contents of the invention

The utility model aims at the above problems, and provides a fire-proof and heat-preservation cold storage panel with good heat-preservation performance and good fire-proof performance.

In order to achieve the above object, the utility model adopts the following technical scheme, the utility model comprises a lower steel plate, the upper end of the lower steel plate is provided with a rock wool board, the upper end of the rock wool board is provided with a polyurethane layer, and the upper end of the polyurethane layer is provided with an upper steel plate; Both sides of the upper steel plate and the lower steel plate are provided with crimps, one side of which is curled toward the middle and then extended inward to form a slot, and the other side is bent toward the middle and then extended outward to form a plug; the rock wool board One side of the end faces on both sides of the polyurethane layer is flush with the bottom of the slot, and the other side is flush with the outer end of the plug; the longitudinal section of the upper steel plate and the lower steel plate is a square waveform; the lower steel plate and the rock The cotton board is tightly cross-linked by a highly flame-retardant adhesive.

As a preferred solution, the end of the curling in the present utility model is an L-shaped bend that bends toward the inner side of the middle part.

As another preferred solution, the crimp on one side of the utility model is curled toward the middle and then extended 25 mm inward to form a slot, and the crimp on the other side is bent toward the middle and then extended 22.5 mm outward to form a plug.

As another preferred solution, the thickness of the lower steel plate described in the utility model is 1 mm, the thickness of the rock wool board is 50 mm, the thickness of the polyurethane layer is 148 mm, and the thickness of the upper steel plate is 1 mm.

As another preferred solution, the rock wool board described in the utility model adopts a grade A fire-proof and heat-preserving rock wool board, and the polyurethane layer adopts a grade B1 fire-proof and heat-preserving polyurethane layer.

Secondly, the rock wool board described in the utility model includes a rock wool board body, the surface of the rock wool board body is provided with a mortar layer, and an adhesion layer is provided between the mortar layer and the rock wool board body ; The adhesion layer is a glass fiber mesh cloth coated on the surface of the rock wool plate body.

In addition, mortar layers are provided on both sides of the rock wool board body of the utility model.

The utility model has beneficial effects.

The upper end of the lower steel plate of the utility model is provided with a rock wool board, the heat transfer coefficient of the rock wool board can reach 0.4W/(㎡·K), and the bending bearing capacity can reach 3.1KN/㎡. There is a polyurethane layer on the top of the rock wool board. The polyurethane layer has an excellent thermal insulation effect. Its closed cell rate is greater than 97%, and its thermal insulation performance is superior. Therefore, the utility model not only has good thermal insulation performance, but also has good fireproof performance.

The concave-convex groove structure on both sides of the cold storage board of the utility model can improve the insulation and airtightness of the joints of the boards, and is especially suitable for cold rooms and warehouses. In addition, the design of concave-convex grooves solves the problem of complicated installation of existing cold storage panels, which can save 60% of the installation time; it has good sound insulation and sound absorption, and can reduce the sound caused by impacts such as rain and hail.

The longitudinal section of the upper steel plate and the lower steel plate of the utility model is a square waveform, which can greatly improve the physical properties of the cold storage panel, bonding strength, peeling performance and water flow (the temperature difference between the inside and outside of the cold storage panel is relatively large when the cold storage panel is used, and the square wave shape is more conducive to the surface moisture removal).

Both sides of the upper steel plate and the lower steel plate of the utility model are provided with crimping, and the crimping is an arc-shaped structure, forming a cold bridge and improving the insulation of the cold storage plate.

In the utility model, the lower steel plate and the rock wool board are closely cross-linked through a high flame-retardant adhesive; the bonding strength, peeling performance and bending bearing capacity are good.

Description of drawings

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments. The scope of protection of the utility model is not limited to the expression of the following content.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the structure of the plug and the slot connection state of the utility model.

Fig. 3 is a schematic diagram of the structure of the rock wool board of the utility model.

In the figure, 1 is the upper steel plate, 2 is the lower steel plate, 3 is the polyurethane layer, 4 is the rock wool board, 5 is the plug, 6 is the slot, 7 is the gap, 8 is L-shaped bending, 9 is curling, 10 is a mortar layer, 11 is a rock wool plate body, and 12 is a glass fiber mesh cloth.

detailed description

As shown in the figure, the utility model includes a lower steel plate 2, the upper end of the lower steel plate 2 is provided with a rock wool board 4, the upper end of the rock wool board 4 is provided with a polyurethane layer 3, and the upper end of the polyurethane layer 3 is provided with an upper steel plate 1; the upper steel plate 1 Both sides of the lower steel plate 2 are provided with curling edges 9, and the curling edge 9 on the other side is curled toward the middle and then extends inward to form a slot 6, and the curling edge 9 on one side is bent toward the middle and then extends outward to form a plug 5; Rock wool board 4 and polyurethane layer 3 both sides end face one side is flush with the bottom end of described slot 6, and the other side is flush with the outer end of described plug 5; The longitudinal section of described upper steel plate 1 and lower steel plate 2 is Square waveform; the lower steel plate 2 and the rock wool board 4 are tightly cross-linked through a high flame-retardant adhesive.

The high flame-retardant adhesive can use American Huntsman 4080+1045 glue.

The lower steel plate 2 can be used as an outer steel plate during installation, and the surface pattern can be water ripples, flat, embossed, etc.

The end of the curling 9 is an L-shaped bend 8 bent inwardly at the middle.

The crimp 9 on one side is curled toward the middle and then extends 25 mm inward to form the socket 6 , and the crimp 9 on the other side is bent toward the middle and extends 22.5 mm outward to form the plug 5 . As shown in Figure 2, there is a gap 7 of 2.7mm in the plug interface, which can effectively control the thermal expansion and contraction of the panels, and also reserve the position of the sealant, which ensures the good sealing effect after the adjacent panels are overlapped. Tightness.

The thickness of the lower steel plate 2 is 1 mm, the thickness of the rock wool board 4 is 50 mm, the thickness of the polyurethane layer 3 is 148 mm, and the thickness of the upper steel plate 1 is 1 mm.

The rock wool board 4 adopts a grade A fireproof and thermal insulation rock wool board, and the polyurethane layer 3 adopts a B1 grade fireproof and thermal insulation polyurethane layer.

The rock wool board 4 includes a rock wool board body 11, the surface of the rock wool board body 11 is provided with a mortar layer 10, and an adhesive layer 10 is provided between the mortar layer 10 and the rock wool board body 11. layer; the adhesive layer is a glass fiber mesh cloth 12 coated on the surface of the rock wool plate body 11 . The arrangement of the mortar layer 10 on the surface of the rock wool board body 11 of the utility model improves the fireproof and thermal insulation effect of the rock wool board 4, and is convenient to install and use. The glass fiber mesh cloth 12 has good fire prevention and heat preservation effects, and is easy to install and use.

Mortar layers 10 are provided on both sides of the rock wool board body 11 . The setting of the mortar layer 10 on both sides of the rock wool board body 11 further improves the fireproof and thermal insulation effect of the rock wool board 4 .

It can be understood that the above specific description of the utility model is only used to illustrate the utility model and is not limited to the technical solutions described in the embodiments of the utility model. Those of ordinary skill in the art should understand that they can still understand the utility model Modifications or equivalent replacements are carried out to achieve the same technical effect; as long as the requirements of use are met, they are all within the protection scope of the present utility model.

Claims (7)

1. A fireproof and thermal insulation cold storage panel, comprising a lower steel plate, characterized in that the upper end of the lower steel plate is provided with a rock wool board, the upper end of the rock wool board is provided with a polyurethane layer, and the upper end of the polyurethane layer is provided with an upper steel plate; the upper steel plate and the lower steel plate are two Both sides are provided with crimping, one side is curled toward the middle and then extended inwardly to form a slot, the other side is bent toward the middle and then extended outwardly to form a plug; the end faces of the rock wool board and polyurethane layer are One side is flush with the bottom end of the slot, and the other side is flush with the outer end of the plug; the longitudinal section of the upper steel plate and the lower steel plate is a square waveform; The binder is tightly cross-linked. 2. A fire-proof and thermal-insulation cold storage panel according to claim 1, characterized in that the end of the curling is an L-shaped bend bent toward the inner side of the middle. 3. A fireproof and thermal insulation cold storage panel according to claim 1, characterized in that the curling on one side is curled toward the middle and then extends 25 mm inward to form a slot, and the curling on the other side is bent toward the middle and extends outward for 22.5 mm. mm form the plug. 4. A fire-proof and heat-preserving cold storage panel according to claim 1, wherein the thickness of the lower steel plate is 1 mm, the thickness of the rock wool board is 50 mm, the thickness of the polyurethane layer is 148 mm, and the thickness of the upper steel plate is 1 mm. 5. A fire-proof and heat-preservation cold storage panel according to claim 1, characterized in that the rock wool board adopts a grade A fire-proof and heat-preservation rock wool board, and the polyurethane layer adopts a B1 grade fire-proof and heat-preservation polyurethane layer. 6. A fire-proof and thermal insulation cold storage panel according to claim 1, characterized in that the rock wool board comprises a rock wool board body, the surface of the rock wool board body is provided with a mortar layer, and the mortar layer and the An adhesive layer is provided between the rock wool boards; the adhesive layer is a glass fiber mesh cloth covering the surface of the rock wool boards. 7. A fire-proof and heat-insulating cold storage panel according to claim 6, characterized in that mortar layers are provided on both sides of the rock wool board body.