Fireproof structure for steel structure wall and manufacturing method thereof

Abstract

The invention discloses a fireproof structure for a steel structure wall and a manufacturing method of the fireproof structure, and solves the technical problems that an existing fireproof coating layer is limited in improvement of fire resistance of the steel structure wall, and the spraying range of cooling water is limited due to the fact that the angle of a spray head on the steel structure wall is fixed. The structure comprises a steel plate on a steel structure wall body and further comprises a first fireproof mechanism and a second fireproof mechanism which are arranged on the steel plate, and the first fireproof mechanism comprises an interface layer arranged on the surface of the steel plate, a fireproof heat insulation coating layer arranged on the interface layer and a facing layer arranged on the fireproof heat insulation coating layer. The first fireproof mechanism gives consideration to fire resistance and heat insulation at the same time, and compared with an existing fireproof coating layer of a single structure, the fireproof performance of the wall is further improved; the spraying angle of the nozzle is adjusted by driving the nozzle to rotate, and the spraying range of cooling water is enlarged.

Description

Technical Field

[0001] The invention belongs to the technical field of building fire protection, and in particular relates to a fire protection structure for a steel structure wall and a manufacturing method thereof. Background Art

[0002] Steel is a material with earthquake resistance and bending resistance. Compared with general concrete walls, steel structure walls have high mechanical strength, earthquake resistance and load resistance. However, steel structure walls have poor fire resistance, and their strength and elastic modulus will decrease with increasing temperature. The interception method and the drainage method can be used to improve the fire resistance of steel structure walls. In the interception method, fire retardant coating is usually applied to the surface of the steel structure wall to intercept heat; in the drainage method, cooling water is usually used to drain the heat of the wall. The fire retardant coating layer applied to the surface of the steel structure wall is usually a single structure. It is difficult for such a single structure fire retardant coating layer to take into account both fire resistance and thermal insulation at the same time, and the improvement of the fire resistance of the steel structure wall is limited. When cooling water is used to drain the heat of the wall, a nozzle is usually used to spray cooling water to the wall surface. The nozzle is usually fixed at an angle and can only dissipate heat at fixed parts on the wall. The cooling water spraying range is limited. Summary of the invention

[0003] The technical problem to be solved by the present invention is: to provide a fireproof structure for steel structure walls and a manufacturing method thereof, to solve the technical problems that the existing fire-retardant coating layer has limited improvement on the fire resistance of the steel structure wall, and the fixed angle of the nozzle on the steel structure wall leads to a limited cooling water spraying range.

[0004] To achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0005] A fireproof structure for a steel structure wall, comprising a steel plate on the steel structure wall, a first fireproof mechanism arranged on the steel plate and located on the outside of the steel structure wall, and a second fireproof mechanism arranged on the steel plate and located on the inside of the steel structure wall; the first fireproof mechanism comprises an interface layer arranged on the surface of the steel plate, a fireproof and heat-insulating coating layer arranged on the interface layer, and a finishing layer arranged on the fireproof and heat-insulating coating layer.

[0006] Furthermore, the second fire prevention mechanism includes a mounting mechanism disposed on the steel plate, a plurality of nozzles rotatably disposed on the mounting mechanism and respectively connected to an external cold water source, and a driving mechanism disposed on the mounting mechanism for driving the nozzles to rotate; a spring is disposed on one end of the nozzle for spraying water.

[0007] Furthermore, the driving mechanism includes a driving motor arranged on the mounting mechanism, a slider slidably arranged on the mounting mechanism and connected to the driving shaft of the driving motor, and a plurality of transmission rods arranged on the slider and corresponding to the nozzles one by one; a first sliding groove adapted to the transmission rod is provided on the nozzle, and the transmission rod is slidably arranged in the first sliding groove.

[0008] Furthermore, a cross-shaped slide bar is provided on the slider, a second slide groove matched with the slide bar is opened on the mounting mechanism, the slide bar is slidably arranged in the second slide groove, a connecting plate is provided on the slide bar, and the connecting plate is connected to the driving shaft of the driving motor.

[0009] Furthermore, the installation mechanism includes a base arranged on the steel plate, and a support seat arranged on the base, the nozzle is rotatably arranged on the base, and the driving mechanism is arranged on the support seat.

[0010] Furthermore, a clearance cavity is provided inside the base, and a plurality of clearance slots are provided on the side wall of the base, which are respectively connected to the clearance cavity and correspond to the nozzles one by one. Two mounting plates are provided on both sides of the clearance slots, and the nozzle is rotatably arranged between the two mounting plates.

[0011] Furthermore, a water delivery mechanism is connected to the nozzle, and the water delivery mechanism includes a water delivery pipe connected from an external cold water source, a diverter block connected from the water delivery pipe, and a plurality of elastic hoses respectively connected from the diverter blocks and corresponding to the nozzles one by one; a water containing cavity is provided in the diverter block, and a plurality of through holes are provided on the diverter block, which are respectively connected to the water containing cavity and correspond to the elastic hoses one by one, and the elastic hoses are sealed and connected to the corresponding nozzles.

[0012] A method for manufacturing a fireproof structure for a steel structure wall comprises: an interface layer is formed by coating an interface agent on a steel plate surface, the interface agent comprises the following raw materials in parts by weight: 38 parts of emulsion VAE705, 36 parts of solid mixture, 122 parts of alcohol ester, 23 parts of glass beads, 0.1 parts of hydroxyethyl cellulose, and 20-30 parts of water; the solid mixture is formed by mixing silicon micropowder, silicon carbide powder, and attapulgite powder, and the mass ratio of silicon micropowder, silicon carbide powder, and attapulgite powder is 8:1:0.1;

[0013] The fireproof and heat-insulating coating layer is formed by spraying the fireproof and heat-insulating coating on the interface layer. The fireproof and heat-insulating coating is made by adding water to the fireproof and heat-insulating coating powder and stirring it. The fireproof and heat-insulating coating powder includes the following raw materials in parts by weight: 940 parts of black silicate binder, 175 parts of white silicate binder, 140 parts of expanded perlite, 840 parts of expanded vermiculite, 20 parts of floating beads, 215 parts of mica, 3 parts of hydroxypropyl cellulose, 0.2 parts of sodium lauryl sulfate, 4 parts of zirconium-containing aluminum silicate fiber, and 40 parts of alumina fiber;

[0014] The finishing layer is formed by adding 10% water glass solution to the finishing layer powder. The finishing layer powder includes the following raw materials in parts by weight: 25 parts of diatomaceous earth, 11 parts of closed-cell perlite, 80 parts of expanded vermiculite, 19 parts of microspheres, 199 parts of alumina fiber, 500 parts of aluminum silicate fiber, 9 parts of titanium dioxide, 4 parts of zirconium-containing aluminum silicate fiber, 3 parts of polyvinyl alcohol powder, 29 parts of latex powder, and 0.2 parts of turquoise blue.

[0015] Furthermore, the thickness of the fireproof and heat-insulating coating layer is 40 mm, and the thickness of the finishing layer is 2 mm.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention has a simple structure, a scientific and reasonable design, and is easy to use. The first fireproofing mechanism of the present invention is a multi-layer fireproof coating structure, including an interface layer, a fireproof and heat-insulating coating layer, and a finishing layer. The interface layer firmly connects the fireproof and heat-insulating coating layer to the steel plate. The fireproof and heat-insulating coating layer is used for heat insulation to prevent excessive heat from being transferred to the steel structure wall. The finishing layer does not crack under high-temperature baking, and effectively protects the fireproof and heat-insulating coating layer located on the inner side of the finishing layer. The first fireproofing mechanism of the present invention takes into account both fire resistance and heat insulation. Compared with the existing single-structure fireproof coating layer, the present invention further improves the fire resistance of the wall.

[0018] The nozzles of the present invention are circumferentially distributed on the base. When driven by a driving motor, the spray angle of the nozzle changes, and the spray range of the nozzle changes with the spray angle. Within a certain angle range, when the angle between the nozzle and the steel plate gradually increases, the spray range of the nozzle gradually increases. The present invention adjusts the spray angle of the nozzle by driving the nozzle to rotate, thereby increasing the spray range of cooling water. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a cross-sectional schematic diagram of the structure of the present invention located on a steel structure wall.

[0020] Figure 2 This is an enlarged view of the second fire protection mechanism on the steel plate.

[0021] Figure 3 A schematic diagram showing the clearance notch on the base.

[0022] Figure 4 Schematic diagram of the distribution of the mounting plate on the base.

[0023] Figure 5 Schematic diagram of the distribution of through holes on the shunt block.

[0024] Figure 6 This is a cross-sectional view of the shunt block.

[0025] Figure 7 Schematic diagram of the slider on the slider.

[0026] Figure 8 Schematic diagram of the rotating through hole on the nozzle.

[0027] Fig. 9 It is a schematic diagram showing that the rotating rod is located between two mounting plates and on the corresponding mounting plates.

[0028] The names corresponding to the reference numerals are:

[0029] 1-steel plate, 2-interface layer, 3-fireproof and heat-insulating coating layer, 4-finishing layer, 5-sprinkler, 6-driving motor, 7-slider, 8-transmission rod, 9-first slide groove, 10-base, 11-support seat, 12-slide rod, 13-second slide groove, 14-connecting plate, 15-giving cavity, 16-giving notch, 17-mounting plate, 19-spring, 20-elastic hose, 21-water pipe, 22-diverter block, 23-water containing cavity, 24-through hole, 26-rotating through hole, 27-rotating rod, 28-limiting block, 29-steel structure wall. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore they cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; of course, it can also be a mechanical connection or an electrical connection; in addition, it can also be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Example 1

[0034] like Figure 1-9As shown, the present invention provides a fireproof structure for a steel structure wall, including a steel plate 1 on the steel structure wall, and also includes a first fireproofing mechanism arranged on the steel plate 1 and located on the outside of the steel structure wall, and a second fireproofing mechanism arranged on the steel plate 1 and located on the inside of the steel structure wall; the first fireproofing mechanism includes an interface layer 2 arranged on the surface of the steel plate 1, a fireproof and heat-insulating coating layer 3 arranged on the interface layer 2, and a finishing layer 4 arranged on the fireproof and heat-insulating coating layer 3.

[0035] The first fireproofing mechanism of the present invention is a multi-layer fireproof coating structure, comprising an interface layer, a fireproof and heat-insulating coating layer and a finishing layer. The interface layer firmly connects the fireproof and heat-insulating coating layer to the steel plate. The fireproof and heat-insulating coating layer is used for heat insulation to prevent excessive heat from being transferred to the steel structure wall. The finishing layer does not crack under high temperature baking, and effectively protects the fireproof and heat-insulating coating layer located on the inner side of the finishing layer. The first fireproofing mechanism of the present invention takes into account both fire resistance and heat insulation. Compared with the existing single-structure fireproof coating layer, the present invention further improves the fire resistance of the wall.

[0036] The nozzles of the present invention are circumferentially distributed on the base. When driven by a driving motor, the spray angle of the nozzle changes, and the spray range of the nozzle changes with the spray angle. Within a certain angle range, when the angle between the nozzle and the steel plate gradually increases, the spray range of the nozzle gradually increases. The present invention adjusts the spray angle of the nozzle by driving the nozzle to rotate, thereby increasing the spray range of cooling water.

[0037] Example 2

[0038] like Figure 1-9 As shown, the present invention provides a fireproof structure for a steel structure wall, including a steel plate 1 on the steel structure wall, and also includes a first fireproofing mechanism arranged on the steel plate 1 and located on the outside of the steel structure wall, and a second fireproofing mechanism arranged on the steel plate 1 and located on the inside of the steel structure wall; the first fireproofing mechanism includes an interface layer 2 arranged on the surface of the steel plate 1, a fireproof and heat-insulating coating layer 3 arranged on the interface layer 2, and a finishing layer 4 arranged on the fireproof and heat-insulating coating layer 3.

[0039] The second fire protection mechanism includes a mounting mechanism disposed on the steel plate 1, a plurality of nozzles 5 which are rotatably mounted on the mounting mechanism and are respectively connected to external cold water sources, and a driving mechanism disposed on the mounting mechanism for driving the nozzles 5 to rotate; a spring 19 is provided on one end of the nozzle 5 for spraying water.

[0040] In this embodiment 2, the spring 19 is used to restore the nozzle 5 to its original position, and the spring 19 is arranged between the nozzle 5 and the steel plate 1.

[0041] The driving mechanism applies pressure to the other end of the nozzle 5, causing the other end of the nozzle 5 to gradually approach the steel plate, and the end of the nozzle 5 that sprays water gradually moves away from the steel plate, and the angle between the nozzle 5 and the steel plate 1 gradually increases. Within a certain angle range, the spray range of the nozzle 5 becomes wider as the angle increases. In the process of the end of the nozzle 5 that sprays water gradually moving away from the steel plate, the spring 19 is pulled and elastically deformed. When the driving mechanism cancels the pressure on the other end of the nozzle 5, the spring 19 recovers its deformation, and the end of the nozzle 5 that sprays water gradually returns to its original position under the action of the spring 19.

[0042] Example 3

[0043] like Figure 1-9 As shown, the present invention provides a fireproof structure for a steel structure wall, including a steel plate 1 on the steel structure wall, and also includes a first fireproofing mechanism arranged on the steel plate 1 and located on the outside of the steel structure wall, and a second fireproofing mechanism arranged on the steel plate 1 and located on the inside of the steel structure wall; the first fireproofing mechanism includes an interface layer 2 arranged on the surface of the steel plate 1, a fireproof and heat-insulating coating layer 3 arranged on the interface layer 2, and a finishing layer 4 arranged on the fireproof and heat-insulating coating layer 3.

[0044] The second fire protection mechanism includes a mounting mechanism disposed on the steel plate 1, a plurality of nozzles 5 which are rotatably mounted on the mounting mechanism and are respectively connected to external cold water sources, and a driving mechanism disposed on the mounting mechanism for driving the nozzles 5 to rotate; a spring 19 is provided on one end of the nozzle 5 for spraying water.

[0045] The driving mechanism includes a driving motor 6 arranged on the mounting mechanism, a slider 7 slidably arranged on the mounting mechanism and connected to the driving shaft of the driving motor 6, and a plurality of transmission rods 8 arranged on the slider 7 and corresponding to the nozzles 5 one by one; a first slide groove 9 adapted to the transmission rod 8 is provided on the nozzle 5, and the transmission rod 8 is slidably arranged in the first slide groove 9.

[0046] In the present embodiment 3, the principle of the driving mechanism applying pressure to the other end of the nozzle 5 is as follows: the driving motor 6 is turned on to shorten the driving shaft of the driving motor 6, and the driving shaft of the driving motor 6 drives the slider 7 to move synchronously, and the slider 7 moves toward the direction close to the steel plate 1. The transmission rod 8 is driven by the slider 7 to extend into the first slide groove 9, and the slider 7 continues to move and drives the transmission rod 8 to move synchronously. The moving transmission rod 8 presses the other end of the nozzle 5 in the first slide groove 9, and the nozzle 5 rotates, and the other end of the nozzle 5 approaches the steel plate, while the end of the nozzle 5 spraying water is away from the steel plate.

[0047] When the driving mechanism cancels the pressure on the other end of the nozzle 5, the driving shaft of the driving motor 6 extends, and the driving shaft of the driving motor 6 drives the slider 7 to move synchronously. The slider 7 moves in the direction away from the near steel plate 1. The transmission rod 8 is driven by the slider 7 to extend from the first slide groove 9, and the transmission rod 8 cancels the pressure on the other end of the nozzle 5.

[0048] Example 4

[0049] like Figure 1-9 As shown, the present invention provides a fireproof structure for a steel structure wall, including a steel plate 1 on the steel structure wall, and also includes a first fireproofing mechanism arranged on the steel plate 1 and located on the outside of the steel structure wall, and a second fireproofing mechanism arranged on the steel plate 1 and located on the inside of the steel structure wall; the first fireproofing mechanism includes an interface layer 2 arranged on the surface of the steel plate 1, a fireproof and heat-insulating coating layer 3 arranged on the interface layer 2, and a finishing layer 4 arranged on the fireproof and heat-insulating coating layer 3.

[0050] The second fire protection mechanism includes a mounting mechanism disposed on the steel plate 1, a plurality of nozzles 5 which are rotatably mounted on the mounting mechanism and are respectively connected to external cold water sources, and a driving mechanism disposed on the mounting mechanism for driving the nozzles 5 to rotate; a spring 19 is provided on one end of the nozzle 5 for spraying water.

[0051] The driving mechanism includes a driving motor 6 arranged on the mounting mechanism, a slider 7 slidably arranged on the mounting mechanism and connected to the driving shaft of the driving motor 6, and a plurality of transmission rods 8 arranged on the slider 7 and corresponding to the nozzles 5 one by one; a first slide groove 9 adapted to the transmission rod 8 is provided on the nozzle 5, and the transmission rod 8 is slidably arranged in the first slide groove 9.

[0052] The slider 7 is provided with a cross-shaped slide bar 12, and the mounting mechanism is provided with a second slide groove 13 adapted to the slide bar 12. The slide bar 12 is slidably arranged in the second slide groove 13. The slide bar 12 is provided with a connecting plate 14, and the connecting plate 14 is connected to the driving shaft of the driving motor 6. The second slide groove 13 is provided on the side wall of the support seat 11.

[0053] Example 5

[0054] like Figure 1-9 As shown, the present invention provides a fireproof structure for a steel structure wall, including a steel plate 1 on the steel structure wall, and also includes a first fireproofing mechanism arranged on the steel plate 1 and located on the outside of the steel structure wall, and a second fireproofing mechanism arranged on the steel plate 1 and located on the inside of the steel structure wall; the first fireproofing mechanism includes an interface layer 2 arranged on the surface of the steel plate 1, a fireproof and heat-insulating coating layer 3 arranged on the interface layer 2, and a finishing layer 4 arranged on the fireproof and heat-insulating coating layer 3.

[0055] The second fire protection mechanism includes a mounting mechanism disposed on the steel plate 1, a plurality of nozzles 5 which are rotatably mounted on the mounting mechanism and are respectively connected to external cold water sources, and a driving mechanism disposed on the mounting mechanism for driving the nozzles 5 to rotate; a spring 19 is provided on one end of the nozzle 5 for spraying water.

[0056] The mounting mechanism includes a base 10 disposed on the steel plate 1 and a support base 11 disposed on the base 10 . The nozzle 5 is rotatably disposed on the base 10 , and the driving mechanism is disposed on the support base 11 .

[0057] Example 6

[0058] like Figure 1-9 As shown, the present invention provides a fireproof structure for a steel structure wall, including a steel plate 1 on the steel structure wall, and also includes a first fireproofing mechanism arranged on the steel plate 1 and located on the outside of the steel structure wall, and a second fireproofing mechanism arranged on the steel plate 1 and located on the inside of the steel structure wall; the first fireproofing mechanism includes an interface layer 2 arranged on the surface of the steel plate 1, a fireproof and heat-insulating coating layer 3 arranged on the interface layer 2, and a finishing layer 4 arranged on the fireproof and heat-insulating coating layer 3.

[0059] The second fire protection mechanism includes a mounting mechanism disposed on the steel plate 1, a plurality of nozzles 5 which are rotatably mounted on the mounting mechanism and are respectively connected to external cold water sources, and a driving mechanism disposed on the mounting mechanism for driving the nozzles 5 to rotate; a spring 19 is provided on one end of the nozzle 5 for spraying water.

[0060] The mounting mechanism includes a base 10 disposed on the steel plate 1 and a support base 11 disposed on the base 10 . The nozzle 5 is rotatably disposed on the base 10 , and the driving mechanism is disposed on the support base 11 .

[0061] A clearance cavity 15 is provided inside the base 10 , and a plurality of clearance slots 16 are provided on the side wall of the base 10 , which are respectively connected to the clearance cavity 15 and correspond to the nozzles 5 one by one. Two mounting plates 17 are provided on both sides of the clearance slots 16 , and the nozzle 5 is rotatably arranged between the two mounting plates 17 .

[0062] In this embodiment 6, the elastic hose 20 extends out of the clearance cavity 15 from the clearance slot 16 and is connected to the nozzle 5. The nozzle 5 is provided with two rotation through holes 26 corresponding to the two mounting plates 17. The mounting plates 17 are provided with rotating rods 27 adapted to the corresponding rotation through holes 26. The rotating rods 27 are rotatably inserted into the rotating through holes 26. The rotating rods 27 are provided with stop blocks 28. The nozzle 5 is rotatably arranged on the two rotating rods 27 and is limited between the two stop blocks 28.

[0063] The nozzle 5 is limited between the two limiting blocks 28 , thus improving the connection stability between the nozzle 5 and the two rotating rods 27 .

[0064] Example 7

[0065] like Figure 1-9As shown, the present invention provides a fireproof structure for a steel structure wall, including a steel plate 1 on the steel structure wall, and also includes a first fireproofing mechanism arranged on the steel plate 1 and located on the outside of the steel structure wall, and a second fireproofing mechanism arranged on the steel plate 1 and located on the inside of the steel structure wall; the first fireproofing mechanism includes an interface layer 2 arranged on the surface of the steel plate 1, a fireproof and heat-insulating coating layer 3 arranged on the interface layer 2, and a finishing layer 4 arranged on the fireproof and heat-insulating coating layer 3.

[0066] The second fire protection mechanism includes a mounting mechanism disposed on the steel plate 1, a plurality of nozzles 5 which are rotatably mounted on the mounting mechanism and are respectively connected to external cold water sources, and a driving mechanism disposed on the mounting mechanism for driving the nozzles 5 to rotate; a spring 19 is provided on one end of the nozzle 5 for spraying water.

[0067] The mounting mechanism includes a base 10 disposed on the steel plate 1 and a support base 11 disposed on the base 10 . The nozzle 5 is rotatably disposed on the base 10 , and the driving mechanism is disposed on the support base 11 .

[0068] A clearance cavity 15 is provided inside the base 10 , and a plurality of clearance slots 16 are provided on the side wall of the base 10 , which are respectively connected to the clearance cavity 15 and correspond to the nozzles 5 one by one. Two mounting plates 17 are provided on both sides of the clearance slots 16 , and the nozzle 5 is rotatably arranged between the two mounting plates 17 .

[0069] The nozzle 5 is connected to a water delivery mechanism, which includes a water delivery pipe 21 connected from an external cold water source, a diverter block 22 connected from the water delivery pipe 21, and a plurality of elastic hoses 20 respectively connected from the diverter block 22 and corresponding to the nozzles 5 one by one; a water containing cavity 23 is provided in the diverter block 22, and a plurality of through holes 24 are provided on the diverter block 22, which are respectively connected to the water containing cavity 23 and respectively correspond to the elastic hoses 20 one by one, and the elastic hoses 20 are sealed and connected to the corresponding nozzles 5.

[0070] In this embodiment 7, a water delivery pump is externally connected to the water delivery pipe 21. When a fire occurs, the external water delivery pump delivers cold water from the external cold water source to the diverter block 22 through the water delivery pipe 21. The elastic hose 20 diverts the cooling water delivered to the diverter block 22 to multiple positions of the base 10. The nozzles 5 located at multiple positions of the base 10 spray the cooling water onto the inner wall of the steel structure wall 29 from different positions with the base 10 as the center. By adjusting the angle between the nozzle 5 and the steel plate 1, the spray range of the nozzle 5 can be adjusted.

[0071] Example 8

[0072] The method for manufacturing a fireproof structure for a steel structure wall according to any one of embodiments 1 to 7 is as follows: an interface layer is formed by coating an interface agent on the surface of a steel plate, the interface agent comprising the following raw materials in parts by weight: 38 parts of emulsion VAE705, 36 parts of a solid mixture, 122 parts of an alcohol ester, 23 parts of glass beads, 0.1 parts of hydroxyethyl cellulose, and 20 to 30 parts of water; the solid mixture is a mixture of silicon micropowder, silicon carbide powder, and attapulgite powder, and the mass ratio of silicon micropowder, silicon carbide powder, and attapulgite powder is 8:1:0.1;

[0073] The fireproof and heat-insulating coating layer is formed by spraying the fireproof and heat-insulating coating on the interface layer. The fireproof and heat-insulating coating is made by adding water to the fireproof and heat-insulating coating powder and stirring it. The fireproof and heat-insulating coating powder includes the following raw materials in parts by weight: 940 parts of black silicate binder, 175 parts of white silicate binder, 140 parts of expanded perlite, 840 parts of expanded vermiculite, 20 parts of floating beads, 215 parts of mica, 3 parts of hydroxypropyl cellulose, 0.2 parts of sodium lauryl sulfate, 4 parts of zirconium-containing aluminum silicate fiber, and 40 parts of alumina fiber;

[0074] The finishing layer is formed by adding 10% water glass solution to the finishing layer powder. The finishing layer powder includes the following raw materials in parts by weight: 25 parts of diatomaceous earth, 11 parts of closed-cell perlite, 80 parts of expanded vermiculite, 19 parts of microspheres, 199 parts of alumina fiber, 500 parts of aluminum silicate fiber, 9 parts of titanium dioxide, 4 parts of zirconium-containing aluminum silicate fiber, 3 parts of polyvinyl alcohol powder, 29 parts of latex powder, and 0.2 parts of turquoise blue.

[0075] When preparing the finishing layer, cut the aluminum foil cloth according to the size of the steel plate and set it aside, spread the finishing layer powder on the aluminum foil cloth, use a sprayer to spray 10% water glass solution on the spread finishing layer powder to make it slightly moist, take out the aluminum foil cloth after drying, and you will get the finishing layer.

[0076] When the first fireproofing structure is applied to the steel plate 1, the interface agent is applied to the steel plate to form an interface layer. When the interface layer is not dry, the fireproof and heat-insulating paint is sprayed on the interface layer to form a fireproof and heat-insulating paint layer. The interface agent is evenly applied to the finishing layer or the fireproof and heat-insulating paint layer. When the interface agent is not dry, the finishing layer is pasted to the surface of the fireproof and heat-insulating paint layer, and then the finishing layer is gently pressed.

[0077] The thickness of the fireproof and heat-insulating coating layer of the present invention is 40 mm, and the thickness of the finishing layer is 2 mm; when the fireproof and heat-insulating coating is sprayed on the interface layer, the thickness of the first spraying is 3 to 5 mm, and then each spraying is 5 to 10 mm until the spraying thickness reaches 40 mm.

[0078] The various structures constituting the second fire protection mechanism of the present invention are all made of 304 stainless steel.

[0079] The drive motor 6 used in the present invention is an existing known electrical device and can be directly purchased and used on the market. The structure, circuit, and control principle of the drive motor 6 are existing known technologies. Therefore, the structure, circuit, and control principle of the drive motor 6 will not be repeated here.

[0080] Finally, it should be noted that the above embodiments are only preferred embodiments of the present invention to illustrate the technical solutions of the present invention, rather than limiting them, and certainly not limiting the patent scope of the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention. In other words, any changes or modifications made to the main design concept and spirit of the present invention that have no substantive significance, and the technical problems they solve are still consistent with the present invention, should be included in the protection scope of the present invention. In addition, the direct or indirect application of the technical solutions of the present invention in other related technical fields is also included in the patent protection scope of the present invention.

Claims

1. A fireproof structure for a steel structure wall, comprising a steel plate (1) on the steel structure wall, characterized in that: It also includes a first fire protection mechanism provided on the steel plate (1) and located outside the steel structure wall, and a second fire protection mechanism provided on the steel plate (1) and located inside the steel structure wall; the first fire protection mechanism includes an interface layer (2) provided on the surface of the steel plate (1), a fireproof and heat-insulating coating layer (3) provided on the interface layer (2), and a finishing layer (4) provided on the fireproof and heat-insulating coating layer (3).

2. A fireproof structure for a steel structure wall according to claim 1, characterized in that: The second fire protection mechanism comprises a mounting mechanism arranged on the steel plate (1), a plurality of nozzles (5) rotatably mounted on the mounting mechanism and respectively connected to external cold water sources, and a driving mechanism arranged on the mounting mechanism for driving the nozzles (5) to rotate; a spring (19) is arranged on one end of the nozzle (5) for spraying water.

3. A fireproof structure for a steel structure wall according to claim 2, characterized in that: The driving mechanism comprises a driving motor (6) arranged on the mounting mechanism, a slider (7) slidably arranged on the mounting mechanism and connected to a driving shaft of the driving motor (6), and a plurality of transmission rods (8) arranged on the slider (7) and corresponding to the nozzles (5) one by one; a first sliding groove (9) adapted to the transmission rod (8) is provided on the nozzle (5), and the transmission rod (8) is slidably arranged in the first sliding groove (9).

4. A fireproof structure for a steel structure wall according to claim 3, characterized in that: A cross-shaped slide bar (12) is provided on the slide block (7), a second slide groove (13) adapted to the slide bar (12) is provided on the mounting mechanism, the slide bar (12) is slidably arranged in the second slide groove (13), a connecting plate (14) is provided on the slide bar (12), and the connecting plate (14) is connected to a driving shaft of a driving motor (6).

5. The fireproof structure for steel structure wall according to claim 2, characterized in that: The installation mechanism comprises a base (10) arranged on a steel plate (1) and a support seat (11) arranged on the base (10); the nozzle (5) is rotatably arranged on the base (10), and the driving mechanism is arranged on the support seat (11).

6. A fireproof structure for a steel structure wall according to claim 5, characterized in that: A clearance cavity (15) is provided inside the base (10), and a plurality of clearance slots (16) are provided on the side wall of the base (10), which are respectively connected to the clearance cavity (15) and respectively correspond to the nozzles (5). Two mounting plates (17) are provided on both sides of the clearance slots (16), and the nozzle (5) is rotatably arranged between the two mounting plates (17).

7. A fireproof structure for a steel structure wall according to claim 6, characterized in that: The nozzle (5) is connected to a water delivery mechanism, which comprises a water delivery pipe (21) connected from an external cold water source, a diverter block (22) connected from the water delivery pipe (21), and a plurality of elastic hoses (20) connected from the diverter block (22) and corresponding to the nozzles (5) one by one. A water containing cavity (23) is provided in the diverter block (22), and a plurality of through holes (24) are provided on the diverter block (22), which are respectively connected to the water containing cavity (23) and respectively correspond to the elastic hoses (20) one by one. The elastic hoses (20) are sealed and connected to the corresponding nozzles (5) from the corresponding through holes (24).

8. A method for manufacturing a fireproof structure for a steel structure wall according to any one of claims 1 to 7, characterized in that: The interface layer is formed by coating the interface agent on the surface of the steel plate. The interface agent is made of the following raw materials in parts by weight: 38 parts of emulsion VAE705, 36 parts of solid mixture, 122 parts of alcohol ester, 23 parts of glass beads, 0.1 parts of hydroxyethyl cellulose, and 20-30 parts of water; the solid mixture is mixed with silicon micropowder, silicon carbide powder and attapulgite powder, and the mass ratio of silicon micropowder, silicon carbide powder and attapulgite powder is 8:1:0.1; The fireproof and heat-insulating coating layer is formed by spraying the fireproof and heat-insulating coating on the interface layer. The fireproof and heat-insulating coating is made by adding water to the fireproof and heat-insulating coating powder and stirring it. The fireproof and heat-insulating coating powder includes the following raw materials in parts by weight: 940 parts of black silicate binder, 175 parts of white silicate binder, 140 parts of expanded perlite, 840 parts of expanded vermiculite, 20 parts of floating beads, 215 parts of mica, 3 parts of hydroxypropyl cellulose, 0.2 parts of sodium lauryl sulfate, 4 parts of zirconium-containing aluminum silicate fiber, and 40 parts of alumina fiber; The finishing layer is formed by adding 10% water glass solution to the finishing layer powder. The finishing layer powder includes the following raw materials in parts by weight: 25 parts of diatomaceous earth, 11 parts of closed-cell perlite, 80 parts of expanded vermiculite, 19 parts of microspheres, 199 parts of alumina fiber, 500 parts of aluminum silicate fiber, 9 parts of titanium dioxide, 4 parts of zirconium-containing aluminum silicate fiber, 3 parts of polyvinyl alcohol powder, 29 parts of latex powder, and 0.2 parts of turquoise blue.

9. The method for manufacturing a fireproof structure for a steel structure wall according to claim 8, characterized in that: The thickness of the fireproof and heat-insulating coating layer is 40mm, and the thickness of the finishing layer is 2mm.

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