CN217466828U - Cooling and fire-retardant performance test system for fireproof package blanket - Google Patents
Cooling and fire-retardant performance test system for fireproof package blanket Download PDFInfo
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- CN217466828U CN217466828U CN202221346845.2U CN202221346845U CN217466828U CN 217466828 U CN217466828 U CN 217466828U CN 202221346845 U CN202221346845 U CN 202221346845U CN 217466828 U CN217466828 U CN 217466828U
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Abstract
The utility model discloses a cooling and fire-retardant performance test system for a fire-proof wrapping blanket, which comprises a combustion furnace, wherein a first temperature measuring device is arranged in the combustion furnace, one end of the combustion furnace is provided with an opening, the opening is provided with a sample installation component, and a cable wrapped by the fire-proof wrapping blanket is installed on the sample installation component; a detection end of a second temperature measuring device is arranged between the cable and the fireproof wrapping blanket, and a detection end of a third temperature measuring device is arranged in the cable; the first temperature measuring device, the second temperature measuring device and the third temperature measuring device are all electrically connected with the control host. In the utility model, the first temperature measuring device is used for detecting the temperature in the combustion furnace and providing a basis for the temperature adjustment in the combustion furnace; the second temperature measuring device detects the temperature between cable and the fire prevention parcel blanket, and the inside temperature of third temperature measuring device detection cable for the everywhere condition of being heated of representation cable to reflect the cooling back-fire relief performance of fire prevention parcel blanket.
Description
Technical Field
The utility model relates to a capability test technical field, concretely relates to fire prevention parcel blanket cooling back-fire relief capability test system.
Background
In order to improve the performance of the fireproof wrapping blanket product and facilitate later research and development, the fireproof wrapping blanket is often used for wrapping a cable, and the cable wrapped by the fireproof wrapping blanket is placed in a high-temperature or open-fire environment to obtain the protection effect of the fireproof wrapping blanket on the cable and evaluate the cooling and fire-retarding performance and quality of the fireproof wrapping blanket; however, no professional performance test system is available in the market at present for testing the cooling and fire-retarding performance of the fireproof wrapping blanket.
SUMMERY OF THE UTILITY MODEL
Not enough to the above-mentioned of prior art, the utility model provides a test fire prevention parcel blanket cooling back-fire relief performance's capability test system.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
the utility model provides a fire prevention parcel blanket cooling back-fire relief capability test system, it includes:
the combustion furnace is internally provided with a first temperature measuring device, and one end of the combustion furnace is provided with an opening;
the sample mounting assembly is arranged at the opening and is provided with a cable wrapped by a fireproof wrapping blanket;
the detection end of the second temperature measuring device is arranged between the cable and the fireproof wrapping blanket;
the detection end of the third temperature measuring device is arranged in the cable;
and the control host is electrically connected with the first temperature measuring device, the second temperature measuring device and the third temperature measuring device.
The beneficial effects of adopting the above technical scheme are: the first temperature measuring device is used for detecting the temperature in the combustion furnace and providing a basis for adjusting the temperature in the combustion furnace; the sample mounting assembly is used for mounting the cable wrapped by the fireproof wrapping blanket and serving as a furnace door of the combustion furnace; the second temperature measuring device detects the temperature between the cable and the fireproof wrapping blanket, and the third temperature measuring device detects the temperature inside the cable and is used for representing the heating condition of each part of the cable, so that the cooling and fire-retarding performance of the fireproof wrapping blanket is reflected; the control host collects temperature data of the first temperature measuring device, the second temperature measuring device and the third temperature measuring device.
Further, a combustion nozzle is arranged on the inner wall of the combustion furnace, an igniter is arranged in the combustion nozzle, an air pipeline and a gas pipeline are arranged on the combustion nozzle, the air pipeline and the gas pipeline respectively supply air and gas for the combustion nozzle, and the igniter provides a fire source at the combustion nozzle, so that flame is sprayed out from the combustion nozzle to provide a high-temperature or open-fire environment; the gas pipeline is provided with an electromagnetic valve and a proportional regulating valve for regulating the supply speed of gas, and the air pipeline is provided with a variable frequency fan for regulating the supply speed of air; the igniter, the electromagnetic valve, the proportional regulating valve and the variable frequency fan are all electrically connected with the control host, and the control of the supply speed of gas and air through the control host is facilitated.
Furthermore, one end of the gas pipeline, which is far away from the combustion nozzle, is sequentially provided with a gasification furnace and a liquefied gas tank, the gasification furnace gasifies the liquefied gas in the liquefied gas tank, and the gasified gas is supplied to the combustion nozzle through the gas pipeline.
Furthermore, a smoke outlet is formed in the combustion furnace, a smoke exhaust pipeline is arranged at the smoke exhaust port and communicated with a purification and cooling system, the smoke exhaust port is used for discharging smoke, high-temperature smoke is discharged into the purification and cooling system through the smoke exhaust pipeline, and the purification and cooling system purifies and cools the smoke.
Further, a pressure measuring device is arranged in the combustion furnace and electrically connected with the control host, the pressure measuring device detects the pressure in the combustion furnace, and the detected pressure value is displayed on the control host.
Further, the sample installation assembly comprises a transverse bottom plate, a vertical frame is arranged on the transverse bottom plate, a transverse installation frame for installing a cable is arranged on the vertical frame, a first fireproof layer is arranged on the vertical frame, and a second fireproof layer is arranged in the first fireproof layer; the first fireproof layer prevents flame from leaking out, and the second fireproof layer prevents flame or high temperature from influencing the vertical frame.
Further, an oblique support frame is arranged between the transverse installation frame and the vertical frame, and the transverse installation frame, the vertical frame and the oblique support frame form a triangular structure so as to improve the stability of the transverse installation frame.
Furthermore, the size of the vertical frame is matched with that of the opening, threaded rods are hinged to two sides of the opening, rotating handles are hinged to the threaded rods, connecting lugs are arranged on two sides of the vertical frame, U-shaped openings are formed in the connecting lugs, and the width of each U-shaped opening is not smaller than the diameter of each threaded rod; the threaded rods on the two sides of the opening are clamped by the U-shaped openings on the two sides of the vertical frame and locked by the rotating handle to fix the vertical frame at the opening.
Furthermore, the lower end of the transverse bottom plate is provided with universal wheels, so that the sample mounting assembly can be conveniently moved.
Furthermore, a plurality of arc-shaped grooves are formed in the transverse mounting frame and used for mounting cables wrapped by the fireproof wrapping blanket.
Drawings
FIG. 1 is a schematic structural diagram of a performance testing apparatus;
FIG. 2 is a schematic view of the installation of a second temperature measuring device and a third temperature measuring device;
the device comprises a combustion furnace 1, a combustion furnace 2, a purification cooling system 3, a smoke exhaust pipeline 4, a smoke exhaust port 5, a pressure measuring device 6, an opening 7, a threaded rod 8, a rotating handle 9, a guide rail 10, a universal wheel 11, a transverse bottom plate 12, a U-shaped opening 13, a connecting lug 14, a second fireproof layer 15, an inclined support frame 16, a transverse mounting frame 17, a fireproof wrapping blanket 18, an arc-shaped groove 19, a vertical frame 20, a first fireproof layer 21, an air pipeline 22, a variable frequency fan 23, a liquefied gas tank 24, a gasification furnace 25, an electromagnetic valve 26, a proportional regulating valve 27, a gas pipeline 28, a combustion nozzle 29, a first temperature measuring device 30, a third temperature measuring device 31, a cable 32 and a second temperature measuring device.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
As shown in fig. 1 and 2, this scheme provides a fire prevention parcel blanket cooling back-fire relief capability test system, and it includes:
a combustion furnace 1 in which a first temperature measuring device 29 is provided, one end of which is provided with an opening 6;
the sample mounting assembly is arranged at the opening 6, and is provided with a cable 31 which is wrapped by a fireproof wrapping blanket 17;
a second temperature measuring device 32, the detection end of which is arranged between the cable 31 and the fireproof wrapping blanket 17;
a third temperature measuring device 30, the detection end of which is arranged inside the cable 31;
the control host is electrically connected with the first temperature measuring device 29, the second temperature measuring device 32 and the third temperature measuring device 30;
the combustion furnace 1 is built by taking a stainless steel plate as a frame and adopting high-aluminum fireproof bricks inside, an aluminum silicate refractory fiber felt is used as a lining, the thickness of the combustion furnace 1 is not less than 20cm, and the end face of the combustion furnace 1 is also provided with the aluminum silicate refractory fiber felt; the detection ends of the first temperature measuring device 29, the second temperature measuring device 32 and the third temperature measuring device 30 are all thermocouples.
The combustion furnace 1 provides a high-temperature or open-fire environment, and the first temperature measuring device 29 is used for detecting the temperature in the combustion furnace 1 and providing a basis for adjusting the temperature in the combustion furnace 1; the sample mounting assembly is used for mounting the cable 31 wrapped by the fireproof wrapping blanket 17 and serving as a furnace door of the combustion furnace 1; the second temperature measuring device 32 detects the temperature between the cable 31 and the fireproof wrapping blanket 17, and the third temperature measuring device 30 detects the temperature inside the cable 31 and is used for representing the heating condition of each part of the cable 31, so that the cooling and fire-retarding performance of the fireproof wrapping blanket 17 is reflected; the control host collects temperature data of the first temperature measuring device 29, the second temperature measuring device 32 and the third temperature measuring device 30.
In practice, the scheme preferably arranges a circular combustion nozzle 28 on each of two side walls of the combustion furnace 1, and the height of the central point of the combustion nozzle 28 from the bottom surface of the combustion furnace 1 is 25 cm; an igniter is arranged in the combustion nozzle 28, an air pipeline 21 and a gas pipeline 27 are arranged on the combustion nozzle 28, the air pipeline 21 and the gas pipeline 27 respectively supply air and gas to the combustion nozzle 28, and the igniter provides a fire source at the combustion nozzle 28, so that flame is sprayed out from the combustion nozzle 28 to provide a high-temperature or open-fire environment; the gas pipeline 27 is provided with an electromagnetic valve 25 and a proportional regulating valve 26 for regulating the supply speed of gas, and the air pipeline 21 is provided with a variable frequency fan 22 for regulating the supply speed of air; the igniter, the electromagnetic valve 25, the proportional regulating valve 26 and the variable frequency fan 22 are all electrically connected with the control host, and the control of the supply speed of gas and air by the control host is facilitated.
In an embodiment of the present invention, the end of the gas pipeline 27 away from the combustion nozzle 28 is sequentially provided with the gasification furnace 24 and the liquefied gas tank 23, the gasification furnace 24 gasifies the liquefied gas in the liquefied gas tank 23, and the gasified gas is supplied to the combustion nozzle 28 through the gas pipeline 27.
When in design, the combustion furnace 1 is preferably provided with a smoke outlet 4, a smoke exhaust pipeline 3 is arranged at the smoke outlet 4, the smoke exhaust pipeline 3 is communicated with a purification cooling system 2, the smoke outlet 4 is used for discharging smoke, high-temperature smoke is discharged into the purification cooling system 2 through the smoke exhaust pipeline 3, and the purification cooling system 2 purifies and cools the smoke; wherein, the purifying and cooling system 2 can adopt a water curtain purifying tower.
During implementation, the pressure measuring device 5 is preferably arranged in the combustion furnace 1, the pressure measuring device 5 is electrically connected with the control host, the pressure measuring device 5 detects the pressure in the combustion furnace 1, and the detected pressure value is displayed on the control host; wherein, the pressure measuring device 5 can adopt a pressure sensor.
During design, the preferable sample mounting assembly comprises a transverse bottom plate 11, a vertical frame 19 is arranged on the transverse bottom plate 11, a transverse mounting rack 16 for mounting a cable 31 is arranged on the vertical frame 19, a first fireproof layer 20 is arranged on the vertical frame 19, the first fireproof layer 20 can be formed by building refractory bricks, a second fireproof layer 14 is arranged in the first fireproof layer 20, and the second fireproof layer 14 can be made of aluminum silicate fireproof fiber felt; the first fire-resistant layer 20 prevents the escape of flames, and the second fire-resistant layer 14 prevents the influence of flames or high temperature on the vertical frame 19; the transverse bottom plate 11 is welded with the vertical frame 19, and the vertical frame 19 is welded with the transverse mounting rack 16.
In the implementation, the inclined support frame 15 is preferably arranged between the transverse mounting frame 16 and the vertical frame 19, and the transverse mounting frame 16, the vertical frame 19 and the inclined support frame 15 form a triangular structure so as to improve the stability of the transverse mounting frame 16; wherein, two ends of the oblique supporting frame 15 are respectively welded with the horizontal mounting frame 16 and the vertical frame 19.
In an embodiment of the present invention, the size of the vertical frame 19 matches the size of the opening 6, the threaded rod 7 is hinged to both sides of the opening 6, the rotating handle 8 is hinged to the threaded rod 7, the connecting lugs 13 are arranged on both sides of the vertical frame 19, the connecting lugs 13 are provided with U-shaped openings 12, and the width of the U-shaped openings 12 is not less than the diameter of the threaded rod 7; the U-shaped openings 12 on the two sides of the vertical frame 19 are clamped with the threaded rods 7 on the two sides of the opening 6 and locked through the rotating handle 8, so that the vertical frame 19 is fixed at the opening 6.
During design, the lower end of the transverse bottom plate 11 is preferably provided with the universal wheel 10, and the guide rail 9 is arranged outside the opening 6, so that the sample mounting assembly can be conveniently moved.
In an embodiment of the present invention, a plurality of arc-shaped grooves 18 are disposed on the horizontal mounting frame 16 for installing the cables 31 wrapped by the fire-proof wrapping blanket 17.
The test procedure of the present solution is described below with reference to the accompanying drawings:
placing the cable 31 wrapped with the fireproof wrapping blanket 17 in the arc-shaped groove 18, and then pushing the sample mounting assembly to the opening 6 and fixing;
the flame is sprayed out from the combustion nozzle 28, so that the temperature in the combustion furnace 1 is raised; meanwhile, the first temperature measuring device 29 monitors the temperature in the combustion furnace 1 in real time, and a temperature rise curve is drawn in the control host; the second temperature measuring device 32 and the third temperature measuring device 30 monitor the temperature of each part of the cable 31 in real time, and the temperature conditions of each part of the cable 31 are displayed in the control host machine, so that the fire retardant performance of the fireproof wrapping blanket 17 is represented;
and then, pulling out the sample installation component to naturally cool the cable 31 wrapped with the fireproof wrapping blanket 17, monitoring the temperature of each part of the cable 31 in real time by the second temperature measuring device 32 and the third temperature measuring device 30, and displaying the temperature condition of each part of the cable 31 in the control host to further represent the cooling performance of the fireproof wrapping blanket 17.
Claims (10)
1. The utility model provides a fire prevention parcel blanket cooling back-fire relief capability test system which characterized in that includes:
a combustion furnace (1) provided with a first temperature measuring device (29) therein and an opening (6) at one end thereof;
the sample mounting assembly is arranged at the opening (6), and is provided with a cable (31) wrapped by a fireproof wrapping blanket (17);
the detection end of the second temperature measuring device (32) is arranged between the cable (31) and the fireproof wrapping blanket (17);
a third temperature measuring device (30), the detection end of which is arranged inside the cable (31);
and the control host is electrically connected with the first temperature measuring device (29), the second temperature measuring device (32) and the third temperature measuring device (30).
2. The cooling and fire-retarding performance testing system for the fire-proof wrapping blanket as claimed in claim 1, wherein a combustion nozzle (28) is arranged on the inner wall of the combustion furnace (1), an igniter is arranged in the combustion nozzle (28), an air pipeline (21) and a gas pipeline (27) are arranged on the combustion nozzle (28), an electromagnetic valve (25) and a proportional regulating valve (26) are arranged on the gas pipeline (27), and a variable frequency fan (22) is arranged on the air pipeline (21); the igniter, the electromagnetic valve (25), the proportional regulating valve (26) and the variable frequency fan (22) are all electrically connected with the control host.
3. The cooling and fire-retarding performance testing system for the fire-proof wrapping blanket as claimed in claim 2, wherein the end of the gas pipeline (27) far away from the combustion nozzle (28) is provided with the gasification furnace (24) and the liquefied gas tank (23) in sequence.
4. The cooling and fire-retarding performance testing system for the fire-proof wrapping blanket as claimed in claim 1, wherein a smoke outlet (4) is arranged on the combustion furnace (1), a smoke exhaust pipeline (3) is arranged at the smoke outlet (4), and the smoke exhaust pipeline (3) is communicated with the purifying and cooling system (2).
5. The cooling and fire-retarding performance testing system for the fire-proof wrapping blanket as claimed in claim 4, wherein a pressure measuring device (5) is arranged in the combustion furnace (1), and the pressure measuring device (5) is electrically connected with the control host.
6. The cooling and fire-retarding performance testing system for the fire-proof wrapping blanket as claimed in claim 1, wherein the sample mounting assembly comprises a transverse bottom plate (11), a vertical frame (19) is arranged on the transverse bottom plate (11), a transverse mounting rack (16) for mounting a cable (31) is arranged on the vertical frame (19), a first fire-retardant layer (20) is arranged on the vertical frame (19), and a second fire-retardant layer (14) is arranged in the first fire-retardant layer (20).
7. The cooling and fire-retarding performance testing system for the fire-proof wrapping blanket as claimed in claim 6, wherein an inclined support frame (15) is provided between the transverse mounting frame (16) and the vertical frame (19).
8. The cooling and fire-retarding performance testing system for the fire-proof wrapping blanket as claimed in claim 6, wherein the size of the vertical frame (19) is matched with that of the opening (6), two sides of the opening (6) are hinged with threaded rods (7), the threaded rods (7) are hinged with rotating handles (8), two sides of the vertical frame (19) are provided with connecting lugs (13), the connecting lugs (13) are provided with U-shaped openings (12), and the width of the U-shaped openings (12) is not less than the diameter of the threaded rods (7).
9. The cooling and fire-retarding performance testing system for the fire-proof wrapping blanket as claimed in claim 6, wherein the lower end of the transverse bottom plate (11) is provided with universal wheels (10).
10. The cooling and fire-retarding performance testing system for the fire-proof covering blanket as claimed in claim 6, wherein the transverse mounting frame (16) is provided with a plurality of arc-shaped grooves (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221346845.2U CN217466828U (en) | 2022-05-31 | 2022-05-31 | Cooling and fire-retardant performance test system for fireproof package blanket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221346845.2U CN217466828U (en) | 2022-05-31 | 2022-05-31 | Cooling and fire-retardant performance test system for fireproof package blanket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217466828U true CN217466828U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221346845.2U Active CN217466828U (en) | 2022-05-31 | 2022-05-31 | Cooling and fire-retardant performance test system for fireproof package blanket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217466828U (en) |
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2022
- 2022-05-31 CN CN202221346845.2U patent/CN217466828U/en active Active
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