CN115453037A - Device and method for detecting flame retardant property of fireproof coating - Google Patents

Device and method for detecting flame retardant property of fireproof coating Download PDF

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Publication number
CN115453037A
CN115453037A CN202211099586.2A CN202211099586A CN115453037A CN 115453037 A CN115453037 A CN 115453037A CN 202211099586 A CN202211099586 A CN 202211099586A CN 115453037 A CN115453037 A CN 115453037A
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China
Prior art keywords
clamping
box body
clamping frame
fire retardant
frame
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CN202211099586.2A
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Chinese (zh)
Inventor
任海龙
刘俊伟
余彬
刘江辉
肖智仁
朱建科
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Guangdong Wengu Inspection And Identification Co ltd
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Guangdong Wengu Inspection And Identification Co ltd
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Priority to CN202211099586.2A priority Critical patent/CN115453037A/en
Publication of CN115453037A publication Critical patent/CN115453037A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/12Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Combustion & Propulsion (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
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  • Fire-Detection Mechanisms (AREA)

Abstract

The invention relates to a device and a method for detecting the flame retardant property of a fireproof coating, belonging to the technical field of fireproof coating test and comprising a box body, a base, a supporting table, a flame spraying mechanism, a clamping frame and a clamping block; the box body is arranged on the base; the supporting platform is arranged on the base; the flame spraying mechanism is arranged on the supporting platform, and the upper end of the flame spraying mechanism protrudes out of the supporting platform; the clamping frame and the clamping block are respectively provided with two clamping blocks; the two clamping frames are arranged on the box body in a sliding mode, and a moving mechanism used for driving the clamping frames to move in the vertical direction is arranged on the box body; the clamping block is arranged on the clamping frame in a sliding manner; the clamping block is abutted against the clamping frame; the clamping frame is provided with a clamping mechanism for driving the clamping block to move; the clamping mechanisms are provided in plurality; the clamping frame is positioned above the flame spraying mechanism; the box body is provided with an installation component, and the moving mechanism is arranged on the installation component. The invention can stabilize the fire source so that the highest temperature of flame can carry out burning experiment on the test board.

Description

Device and method for detecting flame retardant property of fireproof coating
Technical Field
The invention relates to the technical field of fireproof paint testing, in particular to a device and a method for detecting the flame retardant property of a fireproof paint.
Background
The fireproof paint is characterized in that the fireproof capacity of the material can be improved, the flame spread and propagation speed can be slowed down, or the burning can be stopped within a certain time by brushing the paint on the surface of flammable materials, and the paint is called fireproof paint and can also be called flame retardant paint.
Most of the fire-retardant coating tests on the current market are to paint the fire-retardant coating on the surface of a flammable material and then put into fire, so as to perform a fire-retardant test, but in the prior art, no stable test step exists, and the fire source is unstable, so that the test results are different.
Disclosure of Invention
The invention aims to provide a device and a method for detecting the flame retardant property of a fireproof coating, which can stabilize a fire source and enable the highest temperature of flame to carry out a burning experiment on a test board.
The technical scheme of the invention is as follows: a device for detecting the flame retardant property of a fireproof coating comprises a box body, a base, a supporting table, a flame spraying mechanism, a clamping frame and a clamping block;
the box body is arranged on the base; the supporting platform is arranged on the base; the flame spraying mechanism is arranged on the support platform, and the upper end of the flame spraying mechanism protrudes out of the support platform; the clamping frame and the clamping blocks are respectively provided with two parts; the two clamping frames are arranged on the box body in a sliding mode, and a moving mechanism for driving the clamping frames to move in the vertical direction is arranged on the box body; the clamping block is arranged on the clamping frame in a sliding manner; the clamping block is abutted against the clamping frame; the clamping frame is provided with a clamping mechanism for driving the clamping block to move; the clamping mechanisms are provided in plurality; the clamping frame is positioned above the flame spraying mechanism; the box body is provided with an installation component, and the moving mechanism is arranged on the installation component.
Preferably, the flame injection mechanism comprises a spray head, a separation pipe and an air inlet pipe; a plurality of spray heads are arranged at the upper end of the support platform; the separation pipe is communicated with the plurality of spray heads; the air inlet pipe is communicated with the separation pipe.
Preferably, an air inlet groove and an air outlet are formed in the support platform; a fan is arranged in the support table; the air outlet is arranged on the side wall of the supporting table, and the air inlet groove is positioned at the spray head.
Preferably, the moving mechanism comprises a driving motor, a rotating shaft, a bevel gear transmission assembly and a screw rod; the mounting assembly comprises a mounting seat and a heat insulation frame; two ends of the heat insulation frame are respectively connected with the box body and the mounting seat; the driving motor is arranged on the mounting seat; the output end of the driving motor is connected with the rotating shaft; the box body is provided with a guide rail, and the clamping frame is connected with the guide rail in a sliding manner; the bevel gear transmission assembly and the screw rods are arranged in two, and the two screw rods are rotationally arranged on the box body; the two clamping frames are respectively in threaded connection with the two screw rods; the rotating shaft is in driving connection with the screw rod through a bevel gear transmission assembly.
Preferably, the clamping mechanism comprises a sliding rod, an elastic piece, a blocking plate and a pressing plate; the clamping frame is provided with a clamping groove; two ends of the sliding rod are respectively connected with the clamping frame and the blocking plate; the pressing plate is arranged on the sliding rod in a sliding manner; the pressing plate is arranged on the clamping block; the elastic piece is arranged on the outer periphery of the sliding rod, and two ends of the elastic piece are respectively connected with the blocking plate and the pressing plate.
Preferably, the upper part of the box body is provided with a fire baffle; the lower end of the clamping frame is provided with a fire baffle plate; the fire-proof plate and the fire-blocking plate are made of A-grade materials.
The invention also provides a detection method of the detection device for the flame retardant property of the fireproof coating, which comprises the following steps:
s1, uniformly spraying the fireproof paint on a test board, wherein the thickness of the coating is 0.5mm to 5mm;
s2, respectively placing two sides of the test board above the two clamping frames, and pushing the part below the clamping block through a clamping mechanism to clamp the test board;
s3, driving the clamping frame to move through the moving mechanism, and adjusting the position of the clamping frame away from the flame spraying mechanism;
s4, starting a flame spraying mechanism, wherein flame sprayed by the flame spraying mechanism is used for burning the test plate, and the burning time is two hours;
and S5, recording the time spent by the fire-retardant coating in burning through at different thicknesses.
Compared with the prior art, the invention has the following beneficial technical effects:
the method comprises the steps of coating fireproof paint on test boards, wherein the thickness interval of the coatings between each test board is 0.5mm, the thicknesses of the coatings are 0.5mm, 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm and 5mm respectively, testing is carried out from the test board of 0.5mm, the test boards are installed on a clamping frame, a clamping mechanism pushes a clamping block to move, the clamping block fixes the test boards, the test boards are prevented from moving, an air inlet pipe supplies air to a separating pipe, the separating pipe supplies air to a sprayer, the gas is sprayed out of the sprayer, the gas is ignited, the clamping frame is driven to move through a moving mechanism, the clamping frame drives the test boards to move, the test boards move to the outer flame of flames, the flames burn-through time of the test boards is recorded, the longest burn-through time is two hours, after the test boards are burned through, the test boards are replaced, the thicknesses are sequentially tested from bottom to top, the top until the test boards can not be burned through for two hours, the thicknesses of the corresponding coatings are recorded, and the coatings are sprayed on the test boards, the coatings are burned through time, and the test boards are taken until the whole test time is shorter than the first-stage, and the whole test time is taken, and the test is taken.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a portion A of FIG. 1;
fig. 3 is a partially enlarged structural diagram of a portion B in fig. 1.
Reference numerals: 1. a box body; 2. a base; 3. a support table; 301. an air inlet groove; 302. an air outlet; 4. a flame spraying mechanism; 401. a spray head; 402. a separation tube; 403. an air inlet pipe; 5. a clamping frame; 501. a clamping groove; 6. a moving mechanism; 601. a drive motor; 602. a rotating shaft; 603. a bevel gear drive assembly; 604. a screw rod; 7. a clamping block; 8. a clamping mechanism; 801. a slide bar; 802. an elastic member; 803. a blocking plate; 804. pressing a plate; 9. a fire barrier; 10. a fire damper; 11. a mounting base; 12. a heat insulation frame; 13. a fan.
Detailed Description
Example one
As shown in fig. 1-3, the device for detecting fire resistance of fire retardant coating provided by the invention comprises a box body 1, a base 2, a supporting table 3, a flame spraying mechanism 4, a clamping frame 5 and a clamping block 7;
the box body 1 is arranged on the base 2; the supporting platform 3 is arranged on the base 2; the flame spraying mechanism 4 is arranged on the support table 3, and the upper end of the flame spraying mechanism 4 protrudes out of the support table 3; two clamping frames 5 and two clamping blocks 7 are arranged; the two clamping frames 5 are arranged on the box body 1 in a sliding mode, and a moving mechanism 6 for driving the clamping frames 5 to move in the vertical direction is arranged on the box body 1; the clamping block 7 is arranged on the clamping frame 5 in a sliding manner; the clamping block 7 is abutted against the clamping frame 5; the clamping frame 5 is provided with a clamping mechanism 8 for driving the clamping block 7 to move; the clamping mechanism 8 is provided in plurality; the clamping frame 5 is positioned above the flame spraying mechanism 4; the box body 1 is provided with an installation component, and the moving mechanism 6 is arranged on the installation component.
The flame injection mechanism 4 comprises a spray head 401, a separation pipe 402 and an air inlet pipe 403; a plurality of spray heads 401 are arranged, and the plurality of spray heads 401 are all arranged at the upper end of the support platform 3; the separation pipe 402 is communicated with a plurality of spray heads 401; the intake pipe 403 communicates with the separation pipe 402. An air inlet groove 301 and an air outlet 302 are arranged on the support table 3; a fan 13 is arranged in the support table 3; the air outlet 302 is arranged on the side wall of the support table 3, and the air inlet tank 301 is positioned at the spray head 401; the fan 13 sucks out air through the air inlet tank 301, and the air is sprayed into the nozzle 401 through the air outlet 302, so that the fuel gas has enough oxygen to burn, and the flame burns more fiercely.
The upper part of the box body 1 is provided with a fire baffle 9; the lower end of the clamping frame 5 is provided with a fire baffle plate 10; the fire partition plate 9 and the fire baffle plate 10 are both made of A-grade materials; the fire baffle plate 9 can prevent the upper part of the box body 1 from being burnt due to the continuous rise of flame after the flame burns through the test board; the flame can be prevented from escaping by the fire barrier 10, and the flame can be concentrated below the test board for combustion.
The invention also provides a detection method of the detection device for the flame retardant property of the fireproof coating, which comprises the following steps:
s1, uniformly spraying a fireproof coating on a test board, wherein the thickness of the coating is 0.5mm to 5mm;
s2, respectively placing two sides of the test board above the two clamping frames 5, and pushing the part below the clamping block 7 through the clamping mechanism 8 to clamp the test board;
s3, driving the clamping frame 5 to move through the moving mechanism 6, and adjusting the distance between the clamping frame 5 and the flame spraying mechanism 4;
s4, starting the flame injection mechanism 4, and igniting the test plate by flame injected by the flame injection mechanism 4 for two hours;
and S5, recording the time spent by the fire-retardant coating in burning through at different thicknesses.
In this embodiment, the fireproof paint is coated on the test board, the thickness interval of the coating between each test board is 0.5mm, the thickness of the coating is 0.5mm, 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm and 5mm, the test is started from the test board of 0.5mm, the test board is mounted on the clamping frame 5, the clamping block 7 is pushed by the clamping mechanism 8 to move, so that the clamping block 7 fixes the test board, the test board is prevented from moving, the air inlet pipe 403 supplies air to the separation pipe 402, the separation pipe 402 supplies air to the nozzle 401, so that the gas is sprayed out of the nozzle 401, the gas is ignited, the clamping frame 5 is driven by the moving mechanism 6 to move, the test board is driven to move to the outer flame of flame, the flame burns the flame to the flame, the time spent on burning through is recorded, the longest burning time is two hours, after the test board burns, the thickness of the test board is changed from bottom to the top in sequence, the test is not burned through until the two hours, the corresponding test board, the thickness of the coating is recorded, and the test board is taken, and the test time is taken until the whole test is taken, and the test time taken.
Example two
As shown in fig. 1-3, compared with the first embodiment, the moving mechanism 6 of the device for detecting fire resistance of a fire retardant coating according to the present invention includes a driving motor 601, a rotating shaft 602, a bevel gear assembly 603, and a lead screw 604; the mounting assembly comprises a mounting seat 11 and a heat insulation frame 12; two ends of the heat insulation frame 12 are respectively connected with the box body 1 and the mounting seat 11; the driving motor 601 is arranged on the mounting base 11; the output end of the driving motor 601 is connected with the rotating shaft 602; the box body 1 is provided with a guide rail, and the clamping frame 5 is connected with the guide rail in a sliding manner; two bevel gear transmission assemblies 603 and two screw rods 604 are arranged, and the two screw rods 604 are rotatably arranged on the box body 1; the two clamping frames 5 are respectively in threaded connection with the two screw rods 604; the rotating shaft 602 is in driving connection with the lead screw 604 through the bevel gear transmission assembly 603.
In this embodiment, will survey test panel and install on holding frame 5, promote the grip block 7 through clamping mechanism 8 and remove, make grip block 7 fix survey test panel, after fixed the completion, it rotates to drive axis of rotation 602 through driving motor 601, axis of rotation 602 rotates through bevel gear drive subassembly 603 drive lead screw 604, lead screw 604 drive holding frame 5 removes, thereby can adjust the height of holding frame 5, can test the burning condition apart from the flame injection mechanism 4 different positions, and can adjust survey test panel and remove the outer portion of catching a mark of the 4 spun flame of flame injection mechanism, make the highest part of flame temperature can burn to survey test panel.
EXAMPLE III
As shown in fig. 1 to 3, compared with the first embodiment or the second embodiment, the clamping mechanism 8 in this embodiment includes a sliding rod 801, an elastic member 802, a blocking plate 803, and a pressing plate 804; the clamping frame 5 is provided with a clamping groove 501; two ends of the sliding rod 801 are respectively connected with the clamping frame 5 and the blocking plate 803; the pressing plate 804 is arranged on the sliding rod 801 in a sliding mode; the pressing plate 804 is arranged on the clamping block 7; an elastic member 802 is provided on the outer peripheral side of the slide rod 801, and both ends of the elastic member 802 are connected to a stopper plate 803 and a pressure plate 804, respectively.
In this embodiment, upwards promote grip block 7 for grip block 7 and holding frame 5 separation, thereby can will survey the test panel and put into holding frame 5 on, loosen grip block 7, slide bar 801 supports barrier plate 803, barrier plate 803 supports elastic component 802, make elastic component 802 can promote clamp plate 804 to remove, clamp plate 804 drives grip block 7 and removes, make grip block 7 will survey test panel pressure on holding frame 5, fix surveying the test panel.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (7)

1. A device for detecting the flame retardant property of a fireproof coating is characterized by comprising a box body (1), a base (2), a supporting table (3), a flame spraying mechanism (4), a clamping frame (5) and a clamping block (7);
the box body (1) is arranged on the base (2); the supporting platform (3) is arranged on the base (2); the flame spraying mechanism (4) is arranged on the support platform (3), and the upper end of the flame spraying mechanism (4) protrudes out of the support platform (3); the clamping frame (5) and the clamping block (7) are provided with two parts; the two clamping frames (5) are arranged on the box body (1) in a sliding mode, and a moving mechanism (6) used for driving the clamping frames (5) to move in the vertical direction is arranged on the box body (1); the clamping block (7) is arranged on the clamping frame (5) in a sliding manner; the clamping block (7) is abutted against the clamping frame (5); a clamping mechanism (8) for driving the clamping block (7) to move is arranged on the clamping frame (5); a plurality of clamping mechanisms (8) are arranged; the clamping frame (5) is positioned above the flame spraying mechanism (4); the box body (1) is provided with an installation component, and the moving mechanism (6) is arranged on the installation component.
2. The fire retardant coating fire retardant property detection device of claim 1, wherein the flame spraying mechanism (4) comprises a spray head (401), a separation pipe (402) and an air inlet pipe (403); a plurality of spray heads (401) are arranged, and the plurality of spray heads (401) are all arranged at the upper end of the support platform (3); the separation pipe (402) is communicated with the plurality of spray heads (401); the intake pipe (403) communicates with the separation pipe (402).
3. The fire retardant property detection device of the fire retardant coating according to claim 2, wherein the support table (3) is provided with an air inlet slot (301) and an air outlet (302); a fan (13) is arranged in the support table (3); the air outlet (302) is arranged on the side wall of the support table (3), and the air inlet groove (301) is located at the spray head (401).
4. The fire retardant property detection device of the fire retardant coating of claim 1, wherein the moving mechanism (6) comprises a driving motor (601), a rotating shaft (602), a bevel gear transmission assembly (603) and a screw rod (604); the mounting assembly comprises a mounting seat (11) and a heat insulation frame (12); two ends of the heat insulation frame (12) are respectively connected with the box body (1) and the mounting seat (11); the driving motor (601) is arranged on the mounting seat (11); the output end of the driving motor (601) is connected with the rotating shaft (602); a guide rail is arranged on the box body (1), and the clamping frame (5) is connected with the guide rail in a sliding manner; two bevel gear transmission assemblies (603) and two screw rods (604) are arranged, and the two screw rods (604) are rotationally arranged on the box body (1); the two clamping frames (5) are respectively in threaded connection with the two screw rods (604); the rotating shaft (602) is in driving connection with the screw rod (604) through a bevel gear transmission assembly (603).
5. The fire retardant property detection device of fire retardant coating of claim 1, wherein the clamping mechanism (8) comprises a sliding rod (801), an elastic member (802), a blocking plate (803) and a pressing plate (804); a clamping groove (501) is arranged on the clamping frame (5); two ends of the sliding rod (801) are respectively connected with the clamping frame (5) and the blocking plate (803); the pressing plate (804) is arranged on the sliding rod (801) in a sliding mode; the pressing plate (804) is arranged on the clamping block (7); the elastic piece (802) is arranged on the outer periphery side of the sliding rod (801), and two ends of the elastic piece (802) are respectively connected with the blocking plate (803) and the pressing plate (804).
6. The fire retardant property detection device of the fire retardant coating according to claim 1, wherein the upper part of the box body (1) is provided with a fire barrier (9); the lower end of the clamping frame (5) is provided with a fire baffle plate (10); the fire insulation plate (9) and the fire baffle plate (10) are both made of A-grade materials.
7. The fire retardant property detection device of the fire retardant coating according to claim 1, and a detection method of the fire retardant property detection device of the fire retardant coating are provided, wherein the method comprises the following steps:
s1, uniformly spraying a fireproof coating on a test board, wherein the thickness of the coating is 0.5mm to 5mm;
s2, respectively placing two sides of the test board above the two clamping frames (5), and pushing the part below the clamping block (7) through a clamping mechanism (8) to clamp the test board;
s3, driving the clamping frame (5) to move through the moving mechanism (6), and adjusting the distance between the clamping frame (5) and the flame spraying mechanism (4);
s4, starting a flame spraying mechanism (4), wherein flame sprayed by the flame spraying mechanism (4) is used for burning the test plate, and the burning time is two hours;
and S5, recording the time spent by the fire-retardant coating in burning through at different thicknesses.
CN202211099586.2A 2022-09-09 2022-09-09 Device and method for detecting flame retardant property of fireproof coating Pending CN115453037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211099586.2A CN115453037A (en) 2022-09-09 2022-09-09 Device and method for detecting flame retardant property of fireproof coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211099586.2A CN115453037A (en) 2022-09-09 2022-09-09 Device and method for detecting flame retardant property of fireproof coating

Publications (1)

Publication Number Publication Date
CN115453037A true CN115453037A (en) 2022-12-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117030923A (en) * 2023-10-08 2023-11-10 飞马新材料(山东)股份有限公司 Fire-retardant performance detection device of fire-proof clothing material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117030923A (en) * 2023-10-08 2023-11-10 飞马新材料(山东)股份有限公司 Fire-retardant performance detection device of fire-proof clothing material
CN117030923B (en) * 2023-10-08 2023-12-15 飞马新材料(山东)股份有限公司 Fire-retardant performance detection device of fire-proof clothing material

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