Flexible fireproof protective cover for emergency cut-off valve

Abstract

The flexible fireproof protective cover for the emergency cut-off valve comprises a flexible fireproof cover assembly and the emergency cut-off valve, and the flexible fireproof cover assembly comprises two first fireproof covers, four second fireproof covers, two safety inspection door covers, a ventilation and heat dissipation mechanism and a plurality of first fixing mechanisms; the four second fireproof covers and the two first fireproof covers are fixedly attached through the six-face metal frame, and then the first fireproof covers and the four second fireproof covers are fixed through the first fixing mechanisms and the second fixing mechanisms, so that replacement and installation are convenient; afterwards, the safety inspection door cover is fixed to the second fireproof cover through a third fixing mechanism, the ventilation and heat dissipation mechanism and the drainage mechanism can be sealed when subjected to high temperature, the emergency cut-off valve executing mechanism can be effectively protected, flames can be effectively blocked through the second fireproof cover and the safety inspection door cover, and the safety of the emergency cut-off valve executing mechanism is improved. Normal work of an emergency cut-off valve executing mechanism is ensured, the device can be closed in time, fuel and flames are isolated, and accident expansion is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of protective covers, in particular to a flexible fireproof protective cover for an emergency shut-off valve. Background Art

[0002] Petrochemical production is characterized by being flammable, explosive, high temperature, high pressure, toxic and harmful, and has very high safety requirements. The emergency shut-off valve set in the automatic control system is a common protective layer in the petrochemical industry. In the event of a sudden fire accident that endangers the safety of personnel, the safe operation of devices or equipment, the emergency shut-off device can be quickly closed, thereby avoiding accidents or the expansion of danger.

[0003] Since the existing emergency shut-off valve has no external protection, if a fire occurs, the emergency shut-off valve actuator is easily damaged, thereby failing to ensure the normal operation of the emergency shut-off valve. Further, the device cannot be closed in time and the fuel and flame cannot be isolated, which will expand the accident. Therefore, a flexible fireproof protective cover for the emergency shut-off valve is proposed. Summary of the Invention

[0004] In view of this, an embodiment of the present invention hopes to provide a flexible fireproof protective cover for an emergency shut-off valve to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial option.

[0005] The technical solution of the embodiment of the present invention is implemented as follows: a flexible fireproof protective cover for an emergency shut-off valve, comprising a flexible fireproof cover assembly and an emergency shut-off valve actuator, wherein the flexible fireproof cover assembly comprises two first fireproof covers, four second fireproof covers, two safety inspection door covers, a ventilation and heat dissipation mechanism, a plurality of first fixing mechanisms, a plurality of second fixing mechanisms, a plurality of third fixing mechanisms, a six-sided metal frame and a drainage mechanism, wherein the emergency shut-off valve actuator is arranged on the inner wall of the six-sided metal frame, and the two first fireproof covers are respectively attached to the upper surface and the lower surface of the six-sided metal frame; the four second fireproof covers are evenly attached to the outer wall of the six-sided metal frame, and the adjacent sides of the two first fireproof covers are connected to the four The second fireproof covers are fitted together; the two safety inspection door covers pass through the corresponding two second fireproof covers, and the ventilation and heat dissipation mechanism is arranged on the front surface of one of the second fireproof covers; a number of the first fixing mechanisms are evenly arranged on the two first fireproof covers and the four second fireproof covers, and a number of the second fixing mechanisms are evenly arranged on the four second fireproof covers; a number of the third fixing mechanisms are evenly arranged on the corresponding second fireproof covers and the safety inspection door cover, and a cable through hole and a circular through hole are respectively opened in the middle of the lower surface of one of the first fireproof covers; the interiors of the two first fireproof covers, the two safety inspection door covers and the four second fireproof covers are filled with heat insulation fillers.

[0006] In some embodiments, the ventilation and heat dissipation mechanism includes a heat dissipation ventilation window, several first expansion sealing strips and an isolation net, wherein the front surface of one of the second fireproof covers is provided with a heat dissipation through-hole, and the heat dissipation ventilation window is arranged on the front surface of one of the second fireproof covers; several first expansion sealing strips are evenly arranged on the rear surface of the heat dissipation ventilation window, and the outer walls of several first expansion sealing strips are attached to the inner wall of the heat dissipation through-hole; the isolation net is arranged on the rear surface of one of the second fireproof covers.

[0007] In some embodiments, several of the first fixing mechanisms include a first pull strap, a first fixed ring strap and two first metal buckles, wherein the first pull strap is arranged on the outer wall of the second fireproof cover, and the first fixed ring strap is arranged on the surface of the first fireproof cover; the two first metal buckles are arranged on the inner wall of the first fixed ring strap, and the first metal buckle is arranged around the two first metal buckles.

[0008] In some embodiments, several of the second fixing mechanisms include a second pull strap, a second fixed ring strap, and two second metal buckles, wherein the second pull straps are arranged on the surface of two of the second fireproof covers, and the second fixed ring straps are arranged on the surfaces of the other two second fireproof covers; the two second metal buckles are sleeved on the inner wall of the second fixed ring strap, and the second pull strap is wrapped around the two second metal buckles.

[0009] In some embodiments, several of the third fixing mechanisms include a third pull strap, a third fixed ring strap and two third metal buckles, wherein the third pull strap is arranged on the surface corresponding to the second fireproof cover, and the third fixed ring strap is arranged on the surface corresponding to the security inspection door cover; the two third metal buckles are sleeved on the inner wall of the third fixed ring strap, and the third pull strap is wrapped around the two third metal buckles.

[0010] In some embodiments, the drainage mechanism includes a first position limiting drain pipe, a second position limiting drain pipe, a fixed plate and two second expansion sealing strips, wherein the inner walls of the first position limiting drain pipe and the second position limiting drain pipe are both fitted to the inner wall of the circular through hole, and the second expansion sealing strip is arranged on the inner wall of the first position limiting drain pipe, and the two second expansion sealing strips are symmetrically arranged on the outer wall of the fixed plate; the outer wall of the first position limiting drain pipe is provided with a first thread groove, and the inner wall of the second position limiting drain pipe is provided with a second thread groove, and the outer wall of the first thread groove is threadedly connected to the inner wall of the second thread groove.

[0011] In some embodiments, the first fireproof cover, the second fireproof cover and the security inspection door cover are made of silicone-coated fiberglass.

[0012] In some embodiments, the thermal insulation filler is made of high thermal insulation ceramic fiber insulation material.

[0013] The embodiment of the present invention adopts the above technical solution, which has the following advantages:

[0014] The present invention fixes and fits four second fireproof covers and two first fireproof covers through a six-sided metal frame, and then fixes the first fireproof cover and the four second fireproof covers through a first fixing mechanism and a second fixing mechanism, which is convenient for replacement and installation. Thereafter, the safety inspection door cover is fixed to the second fireproof cover through a third fixing mechanism. The ventilation and heat dissipation mechanism and the drainage mechanism will be sealed when subjected to high temperature, which can effectively protect the emergency shut-off valve actuator. The second fireproof cover and the safety inspection door cover can effectively block the flame, ensure the normal operation of the emergency shut-off valve actuator, and can timely shut down the device, isolate the fuel and flame, and avoid the expansion of the accident.

[0015] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] Figure 1 It is a structural diagram of the present invention;

[0018] Figure 2 It is a front view structural diagram of the present invention;

[0019] Figure 3 For the present invention Figure 2 AA side cross-sectional structure diagram;

[0020] Figure 4 For the present invention Figure 3 A magnified structural diagram of area B;

[0021] Figure 5 For the present invention Figure 3 The enlarged structure of the C region;

[0022] Figure 6 For the present invention Figure 2 DD side section structure diagram;

[0023] Figure 7 For the present invention Figure 6 A magnified structural diagram of the E region;

[0024] Figure 8 It is a structural diagram of the side view of the present invention;

[0025] Figure 9 For the present invention Figure 8 FF side cross-sectional structure diagram;

[0026] Figure 10 For the present invention Figure 9 The enlarged structure of the G region;

[0027] Figure 11 This is a structural diagram of the connection between the six-sided metal frame and the emergency shut-off valve of the present invention;

[0028] Figure 12 It is a structural diagram of the drainage mechanism of the present invention.

[0029] Figure 1: Flexible fireproof cover assembly; 2: Emergency shut-off valve; 3: Heat dissipation hole; 4: Cable through hole; 5: First thread groove; 6: Second thread groove; 7: Circular through hole; 10: First fireproof cover; 11: Second fireproof cover; 12: Security inspection door cover; 13: Ventilation and heat dissipation mechanism; 14: First fixing mechanism; 15: Second fixing mechanism; 16: Third fixing mechanism; 17: Heat insulation filler; 18: Six-sided metal frame; 19: Drainage mechanism; 130: Heat dissipation Ventilation window; 131, first expansion sealing strip; 132, isolation net; 140, first drawstring; 141, first fixed ring band; 142, first metal buckle; 150, second drawstring; 151, second fixed ring band; 152, second metal buckle; 160, third drawstring; 161, third fixed ring band; 162, third metal buckle; 190, first position-limiting drain pipe; 191, second position-limiting drain pipe; 192, fixed plate; 193, second expansion sealing strip. DETAILED DESCRIPTION

[0030] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be considered as illustrative in nature and not restrictive.

[0031] It should be noted that the terms "first," "second," "symmetrical," "array," "disposed on," and "provided with" are used only to distinguish descriptions from positional descriptions and should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the technical features indicated. Therefore, limitations on features such as "first" and "symmetrical" may explicitly or implicitly include one or more of these features; similarly, when the quantity of certain features is not limited in the form of words such as "two" or "three," it should be noted that these features also explicitly or implicitly include one or more of the number of features.

[0032] In the present invention, unless otherwise expressly specified or limited, terms such as "installation," "connection," and "fixation" should be understood broadly; for example, they may refer to fixed connection, detachable connection, or integral molding; they may refer to mechanical connection, direct connection, welding, or indirect connection through an intermediate medium; they may refer to internal communication between two components or interaction between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in the present invention based on the specification and drawings in conjunction with specific circumstances.

[0033] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0034] like Figures 1-12 As shown, an embodiment of the present invention provides a flexible fireproof protective cover for an emergency shut-off valve, comprising a flexible fireproof cover assembly 1 and an emergency shut-off valve actuator 2, wherein the flexible fireproof cover assembly 1 comprises two first fireproof covers 10, four second fireproof covers 11, two safety inspection door covers 12, a ventilation and heat dissipation mechanism 13, a plurality of first fixing mechanisms 14, a plurality of second fixing mechanisms 15, a plurality of third fixing mechanisms 16, a six-sided metal frame 18 and a drainage mechanism 19, wherein the emergency shut-off valve actuator 2 is arranged on the inner wall of the six-sided metal frame 18, and the two first fireproof covers 10 are respectively attached to the upper surface and the lower surface of the six-sided metal frame 18, the four second fireproof covers 11 are evenly attached to the outer wall of the six-sided metal frame 18, and the adjacent one of the two first fireproof covers 10 is The sides are fitted with the four second fireproof covers 11, two safety inspection door covers 12 pass through the corresponding two second fireproof covers 11, and the ventilation and heat dissipation mechanism 13 is arranged on the front surface of one of the second fireproof covers 11, and a number of first fixing mechanisms 14 are evenly arranged on the two first fireproof covers 10 and the four second fireproof covers 11, and a number of second fixing mechanisms 15 are evenly arranged on the four second fireproof covers 11, and a number of third fixing mechanisms 16 are evenly arranged on the corresponding second fireproof covers 11 and the safety inspection door cover 12, and a cable through hole 4 and a circular through hole 7 are respectively opened in the middle of the lower surface of a first fireproof cover 10, and the interiors of the two first fireproof covers 10, the two safety inspection door covers 12 and the four second fireproof covers 11 are filled with heat insulation fillers 17.

[0035] In this embodiment, specifically, the ventilation and heat dissipation mechanism 13 includes a heat dissipation ventilation window 130, several first expansion sealing strips 131 and an isolation net 132, wherein a heat dissipation through-hole 3 is opened on the front surface of one of the second fireproof covers 11, and the heat dissipation ventilation window 130 is arranged on the front surface of one of the second fireproof covers 11, several first expansion sealing strips 131 are evenly arranged on the rear surface of the heat dissipation ventilation window 130, and the outer walls of several first expansion sealing strips 131 are attached to the inner wall of the heat dissipation through-hole 3, and the isolation net 132 is arranged on the rear surface of one of the second fireproof covers 11. The isolation net 132 is arranged as above to prevent external activities from entering the interior, wherein the heat dissipation ventilation window 130 facilitates the heat dissipation of the internal heat.

[0036] In this embodiment, specifically, several first fixing mechanisms 14 each include a first pull strap 140, a first fixed ring strap 141 and two first metal ring buckles 142, wherein the first pull strap 140 is arranged on the outer wall of the second fireproof cover 11, and the first fixed ring strap 141 is arranged on the surface of the first fireproof cover 10, the two first metal ring buckles 142 are sleeved on the inner wall of the first fixed ring strap 141, and the first metal ring buckle 142 is wrapped around the two first metal ring buckles 142. Through the above arrangement, relevant personnel wrap the first pull strap 140 around the two first metal ring buckles 142 to fix the two first fireproof covers 10 on the four second fireproof covers 11.

[0037] In this embodiment, specifically, several second fixing mechanisms 15 include a second pull strap 150, a second fixed ring strap 151, and two second metal buckles 152, wherein the second pull strap 150 is arranged on the surface of two of the second fireproof covers 11, and the second fixed ring strap 151 is arranged on the surface of the other two second fireproof covers 11, the two second metal buckles 152 are sleeved on the inner wall of the second fixed ring strap 151, and the second pull strap 150 is wrapped around the two second metal buckles 152. Through the above arrangement, relevant personnel pass the second pull strap 150 around the two second metal buckles 152 to fix the four second fireproof covers 11 on the six-sided metal frame 18.

[0038] In this embodiment, specifically, several third fixing mechanisms 16 include a third pull strap 160, a third fixed ring strap 161 and two third metal buckles 162, wherein the third pull strap 160 is arranged on the surface corresponding to the second fireproof cover 11, and the third fixed ring strap 161 is arranged on the surface corresponding to the safety inspection door cover 12, the two third metal buckles 162 are sleeved on the inner wall of the third fixed ring strap 161, and the third pull strap 160 is wrapped around the two third metal buckles 162. Through the above arrangement, relevant personnel pass the third pull strap 160 around the two third metal buckles 162 to fix the safety inspection door cover 12 on the corresponding second fireproof cover 11.

[0039] In this embodiment, specifically, the drainage mechanism 19 includes a first position limiting drainage pipe 190, a second position limiting drainage pipe 191, a fixing plate 192 and two second expansion sealing strips 193, wherein the inner walls of the first position limiting drainage pipe 190 and the second position limiting drainage pipe 191 are both fitted to the inner wall of the circular through hole 7, and the second expansion sealing strip 193 is arranged on the inner wall of the first position limiting drainage pipe 190, and the two second expansion sealing strips 193 are symmetrically arranged on the outer wall of the fixing plate 192, the outer wall of the first position limiting drainage pipe 190 is provided with a first thread groove 5, and the inner wall of the second position limiting drainage pipe 191 is provided with a second thread groove 6, the outer wall of the first thread groove 5 is threadedly connected to the inner wall of the second thread groove 6, and through the above arrangement, the first thread groove 5 and the second thread groove 6 are adapted to facilitate the fixing and removal of the first position limiting drainage pipe 190 and the second position limiting drainage pipe 191.

[0040] In this embodiment, specifically, the material of the first fireproof cover 10, the second fireproof cover 11 and the security inspection door cover 12 is silicone-coated fiberglass. Through the above setting, the silicone-coated fiberglass has the characteristics of weather resistance, anti-aging / weathering, UV resistance, waterproof, flame retardant, cold resistance, salt spray corrosion resistance, chemical resistance and acid resistance.

[0041] In this embodiment, specifically, the material of the heat insulating filler 17 is a high thermal insulation ceramic fiber insulation material. The density of the high thermal insulation ceramic fiber insulation material is 128 kg / m 3 The material is hydrophobic and has a moisture absorption rate of no more than 5.0%. It contains no harmful substances and no asbestos derivatives.

[0042] When the present invention is in operation: the relevant personnel fix the six-sided metal frame 18 on the emergency shut-off valve actuator 2, and then the relevant personnel wrap the second pull strap 150 around the two second metal ring buckles 152 to fix the four second fireproof covers 11 on the six-sided metal frame 18, and then the relevant personnel wrap the first pull strap 140 around the two first metal ring buckles 142 to fix the two first fireproof covers 10 on the four second fireproof covers 11.

[0043] Then the relevant personnel use the third pull strap 160 to wrap around the two third metal ring buckles 162 to fix the safety inspection door cover 12 on the corresponding second fireproof cover 11. When the safety inspection door cover 12 needs to be opened, the relevant personnel only need to open the third fixing mechanisms 16 on three sides of the safety inspection door cover 12 and remove the third pull strap 160 from the two third metal ring buckles 162. The third fixing mechanism 16 on the remaining side of the safety inspection door cover 12 is convenient for auxiliary connection and rotation of the safety inspection door cover 12, which is convenient for relevant personnel to conduct inspection.

[0044] When a fire occurs outside, the high temperature outside will cause the first expansion sealing strip 131 and the second expansion sealing strip 193 to expand. The first expansion sealing strip 131 is used to seal the heat dissipation ventilation window 130 and the heat dissipation through hole 3 to prevent the flame from entering the interior. The second expansion sealing strip 193 is used to seal the channel of the first limiting drain pipe 190 to further prevent the flame from entering the interior, and is used to provide safety protection for the emergency shut-off valve actuator 2.

[0045] The first fireproof cover 10, the second fireproof cover 11 and the security inspection door cover 12 are made of glass fiber coated with silicone, which has the characteristics of weather resistance, anti-aging / weathering, UV resistance, waterproof, flame retardant, cold resistance, salt spray corrosion resistance, chemical resistance and acid resistance.

[0046] The material of the heat-insulating filler 17 is a high-thermal-insulating ceramic fiber insulation material with a density of 128 kg / m 3 The material is hydrophobic and has a moisture absorption rate of no more than 5.0%. It contains no harmful substances and no asbestos derivatives.

[0047] The first fireproof cover 10 and the second fireproof cover 11 are supported by a six-sided metal frame 18 and can withstand continuous impact of fire water.

[0048] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various modifications and substitutions within the technical scope disclosed in the present invention, and such modifications and substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.

Claims

1. A flexible fireproof protective cover for an emergency shut-off valve, comprising a flexible fireproof cover assembly (1) and an emergency shut-off valve actuator (2), characterized in that: The flexible fireproof cover assembly (1) comprises two first fireproof covers (10), four second fireproof covers (11), two safety inspection door covers (12), a ventilation and heat dissipation mechanism (13), a plurality of first fixing mechanisms (14), a plurality of second fixing mechanisms (15), a plurality of third fixing mechanisms (16), a six-sided metal frame (18) and a drainage mechanism (19), wherein: The emergency shut-off valve actuator (2) is arranged on the inner wall of the six-sided metal frame (18), and the two first fireproof covers (10) are respectively attached to the upper surface and the lower surface of the six-sided metal frame (18); The four second fireproof covers (11) are evenly fitted to the outer wall of the six-sided metal frame (18), and the adjacent sides of the two first fireproof covers (10) are both fitted to the four second fireproof covers (11); The two safety inspection door covers (12) pass through the corresponding two second fireproof covers (11), and the ventilation and heat dissipation mechanism (13) is arranged on the front surface of one of the second fireproof covers (11); A plurality of the first fixing mechanisms (14) are evenly arranged on the two first fireproof covers (10) and the four second fireproof covers (11), and a plurality of the second fixing mechanisms (15) are evenly arranged on the four second fireproof covers (11); A plurality of the third fixing mechanisms (16) are evenly arranged on the corresponding second fireproof cover (11) and the safety inspection door cover (12), and a cable through hole (4) and a circular through hole (7) are respectively opened in the middle of the lower surface of one of the first fireproof covers (10); The interiors of the two first fireproof covers (10), the two safety inspection door covers (12) and the four second fireproof covers (11) are all filled with heat-insulating fillers (17).

2. The flexible fireproof protective cover for emergency shut-off valve according to claim 1, characterized in that: The ventilation and heat dissipation mechanism (13) comprises a heat dissipation and ventilation window (130), a plurality of first expansion sealing strips (131) and an isolation net (132), wherein: A heat dissipation through hole (3) is provided on the front surface of one of the second fireproof covers (11), and the heat dissipation ventilation window (130) is arranged on the front surface of one of the second fireproof covers (11); A plurality of the first expansion sealing strips (131) are evenly arranged on the rear surface of the heat dissipation and ventilation window (130), and the outer walls of the plurality of the first expansion sealing strips (131) are attached to the inner wall of the heat dissipation through hole (3); The isolation net (132) is arranged on the rear surface of one of the second fireproof covers (11).

3. The flexible fireproof protective cover for emergency shut-off valve according to claim 1, characterized in that: Several of the first fixing mechanisms (14) each include a first drawstring (140), a first fixing ring belt (141) and two first metal buckles (142), wherein: The first pull belt (140) is arranged on the outer wall of the second fireproof cover (11), and the first fixing ring belt (141) is arranged on the surface of the first fireproof cover (10); The two first metal buckles (142) are sleeved on the inner wall of the first fixing ring band (141), and the first metal buckle (142) is wound around the two first metal buckles (142).

4. The flexible fireproof protective cover for emergency shut-off valve according to claim 1, characterized in that: The plurality of second fixing mechanisms (15) each include a second drawstring (150), a second fixing ring belt (151), and two second metal buckles (152), wherein: The second pull belts (150) are each arranged on the surface of two of the second fireproof covers (11), and the second fixing ring belts (151) are each arranged on the surface of the other two of the second fireproof covers (11); The two second metal buckles (152) are sleeved on the inner wall of the second fixing ring belt (151), and the second drawstring (150) is wound around the two second metal buckles (152).

5. The flexible fireproof protective cover for emergency shut-off valve according to claim 1, characterized in that: The plurality of third fixing mechanisms (16) include a third drawstring (160), a third fixing ring belt (161) and two third metal buckles (162), wherein: The third drawstring (160) is arranged on a surface corresponding to the second fireproof cover (11), and the third fixing ring belt (161) is arranged on a surface corresponding to the safety inspection door cover (12); The two third metal ring buckles (162) are sleeved on the inner wall of the third fixing ring belt (161), and the third drawstring (160) is wound around the two third metal ring buckles (162).

6. The flexible fireproof protective cover for emergency shut-off valve according to claim 1, characterized in that: The drainage mechanism (19) comprises a first position-limiting drainage pipe (190), a second position-limiting drainage pipe (191), a fixing plate (192) and two second expansion sealing strips (193), wherein: The inner walls of the first position-limiting drain pipe (190) and the second position-limiting drain pipe (191) are both fitted to the inner wall of the circular through hole (7), and the second expansion sealing strip (193) is arranged on the inner wall of the first position-limiting drain pipe (190), and two second expansion sealing strips (193) are symmetrically arranged on the outer wall of the fixing plate (192); The outer wall of the first position-limiting drain pipe (190) is provided with a first thread groove (5), and the inner wall of the second position-limiting drain pipe (191) is provided with a second thread groove (6), and the outer wall of the first thread groove (5) is threadedly connected to the inner wall of the second thread groove (6).

7. The flexible fireproof protective cover for emergency shut-off valve according to claim 1, characterized in that: The first fireproof cover (10), the second fireproof cover (11) and the safety inspection door cover (12) are made of glass fiber coated with silicone.

8. The flexible fireproof protective cover for an emergency shut-off valve according to claim 1, characterized in that: The thermal insulation filler (17) is made of a high thermal insulation ceramic fiber insulation material.

Images