CN214252171U

CN214252171U - Fireproof paint testing arrangement

Info

Publication number: CN214252171U
Application number: CN202120247550.9U
Authority: CN
Inventors: 邹喻宽; 张中良; 洪龙山; 周小生
Original assignee: Jiangmen Xinhesheng Paint Industry Co ltd
Current assignee: Jiangmen Xinhesheng Paint Industry Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-09-21
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a fireproof paint testing device, which comprises a box body, a testing bracket and a controller; a cavity for accommodating the coating plate is arranged in the box body, and the test support is fixedly arranged in the cavity; the test support comprises a support frame for supporting the coating plate and a tray for storing fuel, and the tray is fixedly connected with the support frame through a horizontal bracket; the top of the box body is provided with a vent hole communicated with the cavity, and the upper end of the vent hole is provided with a ventilation cover. By arranging the box body and the test bracket, the coating plate can be placed on the support frame and keeps an inclined angle with the tray, so that the coating plate is fully contacted with flame, and the accuracy of the fire resistance test of the coating is ensured; through the draft hood and the fan that admits air, both guaranteed that fuel can obtain abundant burning, also can get rid of the box outside the smog that the burning produced fast, the testing condition of being convenient for tester in to the box monitors in real time, improves fireproof paint testing arrangement's security.

Description

Fireproof paint testing arrangement

Technical Field

The utility model belongs to the technical field of the coating production equipment technique and specifically relates to a fire retardant coating testing arrangement.

Background

The fire-proof paint is a special paint which is used on the surface of flammable base material, can reduce the flammability of the surface of the material to be painted, can retard the rapid spread of fire and is used for improving the fire endurance of the material to be painted. Therefore, the fire-retardant coating needs to be subjected to multiple rigorous flame resistance tests in the development and production processes. At present, most of the paint fire resistance testing devices adopt a chamber combustion method for testing, namely, a paint to be tested is coated on a paint plate for a heating test. However, different coatings can generate different degrees of smoke diffusion, temperature rise and even coating plate explosion in the combustion process, and the existing fireproof coating testing device cannot accurately control the combustion process, is difficult to accurately test the fire resistance of the coatings, and restricts research and development of the fireproof coatings.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, an object of the utility model is to provide a fire retardant coating testing arrangement for control combustion process more accurately, improve coating fire resistance test's rate of accuracy and security.

The utility model provides a technical scheme that its problem adopted is:

a fireproof paint testing device comprises a box body, a testing support and a controller; a cavity for accommodating the coating plate is formed in the box body, and the test support is fixedly arranged in the cavity; the testing support comprises a support frame for supporting the coating plate and a tray for storing fuel, the tray is fixedly connected with the support frame through a horizontal bracket, and an included angle alpha is formed between the length direction of the support frame and the bottom surface of the box body; the cross section of the box body is gradually reduced along the direction far away from the test support; the top of the box body is provided with a vent hole communicated with the cavity, and the upper end of the vent hole is provided with a ventilation hood; and an air inlet fan communicated with the cavity is arranged on the outer side of the box body and is electrically connected with the controller.

The fireproof coating testing device at least has the following beneficial effects: by arranging the box body and the test bracket, the coating plate can be placed on the support frame and keeps an inclined angle with the tray, so that the coating plate is fully contacted with flame, and the accuracy of the fire resistance test of the coating is ensured; through the draft hood and the fan that admits air, both guaranteed that fuel can obtain abundant burning, also can get rid of the box outside the smog that the burning produced fast, the testing condition of being convenient for tester in to the box monitors in real time, improves fireproof paint testing arrangement's security.

Furthermore, the included angle alpha is between 30 and 60 degrees. The structure ensures that the coating plate on the support frame and the tray keep an inclined angle, so that flame of fuel can fully contact the coating on the coating plate, and the accuracy of the fire resistance test of the coating is improved.

Furthermore, a box door is hinged to the box body, and a handle is arranged on the box door. Through setting up chamber door and handle, be convenient for get the coating board and put, improve fireproof paint testing arrangement's convenience of use.

Further, a glass plate is embedded in the box door. Through setting up the glass board, the testing condition of the tester of being convenient for in to the box is observed, improves fireproof paint testing arrangement's security.

Furthermore, the test support still includes locating piece and anchor clamps, the locating piece with anchor clamps all with support frame swing joint. Through setting up locating piece and anchor clamps, improved the accurate nature in location and the installation stability of coating board, avoid taking place the coating board and the unable just condition that drops with the coating board of tray, further guarantee fireproof paint testing arrangement's stability.

Furthermore, a groove is formed in the horizontal bracket, and the tray is inserted into the groove and is in sliding connection with the horizontal bracket. Through setting up the recess, improve the stability of being connected of tray and horizontal bracket, avoid taking place the condition that the tray dropped in the combustion process, improve fireproof paint testing arrangement's security.

Further, the cross-sectional area of the ventilation hood is larger than the cross-sectional area of the vent hole. The structure ensures that a gap is formed between the ventilation hood and the vent hole, so that smoke in the cavity can be quickly discharged out of the box body, and the test effect of the fireproof coating is ensured.

Further, fixing nuts are arranged on two sides of the vent hole, and the ventilation hood is inserted into the fixing nuts through bolts and is movably connected with the box body. Through setting up fixation nut and bolt, improved the flexibility of being connected of draft hood and box, the tester of being convenient for further guarantees fire retardant coating's test effect according to the height of the concentration adjustment draft hood of smog in the cavity.

Furthermore, the top of the ventilation hood is provided with a heat dissipation part extending outwards. Through setting up the radiating part, can avoid staff direct contact high temperature's draft hood to outside transmission of the heat of draft hood effectively, improve fireproof paint testing arrangement's security.

Further, still be provided with on the box and extend to the temperature probe in the cavity, temperature probe with the controller electricity is connected. Through setting up temperature probe, the controller can collect the temperature information in the cavity in real time, and then controls the air volume that gets into in the box through the aperture of control air inlet fan, and then avoids the high temperature of cavity to lead to the accident, has further guaranteed fireproof paint testing arrangement's stability.

The fire retardant coating testing device has the beneficial effects that: by arranging the box body and the test bracket, the coating plate can be placed on the support frame and keeps an inclined angle with the tray, so that the coating plate is fully contacted with flame, and the accuracy of the fire resistance test of the coating is ensured; through the ventilation hood and the air inlet fan, the fuel can be fully combusted, smoke generated by combustion can be quickly discharged out of the box body, a tester can conveniently monitor the test condition in the box body in real time, and the safety of the fireproof coating test device is improved; by arranging the glass plate, a tester can conveniently observe the test condition in the box body, and the safety of the fireproof coating test device is improved; through setting up locating piece and anchor clamps, improved the accurate nature in location and the installation stability of coating board, avoid taking place the coating board and the unable just condition that drops with the coating board of tray, further guarantee fireproof paint testing arrangement's stability.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a structural diagram of a fire retardant coating testing device according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of the fire retardant coating testing device of the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 and 2, an embodiment of the present invention provides a fire retardant coating testing apparatus, including a box 100, a testing support 200, and a controller 300; a cavity 110 for accommodating a coating plate is arranged in the box body 100, and the test support 200 is fixedly arranged in the cavity 110; the test rack 200 comprises a support frame 210 for supporting the paint plate and a tray 230 for storing fuel, the tray 230 is fixedly connected with the support frame 210 through a horizontal bracket 220, and the length direction of the support frame 210 forms an included angle alpha with the bottom surface of the box body 100; the cross section of the case 100 is gradually reduced in a direction away from the test rack 200; the top of the box body 100 is provided with a vent hole 120 communicated with the cavity 110, and the upper end of the vent hole 120 is provided with a ventilation cover 160; an air supply fan 170 communicated with the cavity 110 is provided at an outer side of the case 100, and the air supply fan 170 is electrically connected to the controller 300.

By arranging the box body 100 and the test support 200, the coating plate can be stably placed on the support frame 210, and the coating plate can be placed on the support frame 210 and keeps an inclined angle with the tray 230, so that the coating plate is fully contacted with flame, and the accuracy of the fire resistance test of the coating is ensured; through the ventilation hood 160 and the air inlet fan 170, not only can the fuel be fully combusted, but also smoke generated by combustion can be rapidly discharged out of the box body 100, so that a tester can conveniently monitor the test condition in the box body 100 in real time, and the safety of the fireproof paint testing device is improved.

In this example, the coated board is made of birch five-ply plywood with the size of 300mm × 150mm × 6mm to ensure the combustion effect of the coating. Of course, in other embodiments, other materials can be used for the paint plate, such as steel plate.

In another embodiment, the included angle α is between 30 ° and 60 °. The structure ensures that the coating plate on the support frame 210 and the tray 230 keep an inclined angle, so that the flame of the fuel can fully contact the coating on the coating plate, and the accuracy of the fire resistance test of the coating is improved.

In another embodiment, a door 130 is hinged to the cabinet 100, and a handle 131 is disposed on the door 130. Through setting up chamber door 130 and handle 131, be convenient for get the coating board and put, improve fireproof paint testing arrangement's convenience of use.

In another embodiment, the door 130 has a glass plate 132 embedded therein. Through setting up glass board 132, the tester of being convenient for observes the test condition in to box 100, improves fireproof paint testing arrangement's security.

In another embodiment, the test rack 200 further includes a positioning block 240 and a clamp 250, and both the positioning block 240 and the clamp 250 are movably connected to the supporting frame 210. Through setting up locating piece 240 and anchor clamps 250, improved the accurate nature in location and the installation stability of coating board, avoid taking place the coating board and the unable just condition that drops with the coating board of tray 230, further guarantee fireproof paint testing arrangement's stability.

In another embodiment, the horizontal bracket 220 is provided with a groove 221, and the tray 230 is inserted into the groove 221 and slidably connected with the horizontal bracket 220. Through setting up recess 221, improve the stability of being connected of tray 230 and horizontal bracket 220, avoid taking place the condition that tray 230 dropped in the combustion process, improve fireproof paint testing arrangement's security.

In another embodiment, the cross-sectional area of the ventilation hood 160 is greater than the cross-sectional area of the ventilation aperture 120. This structure ensures that a gap is formed between the ventilation hood 160 and the ventilation hole 120, which is convenient for quickly removing the smoke in the cavity 110 to the outside of the box body 100, and ensures the testing effect of the fireproof paint.

In another embodiment, fixing nuts 140 are disposed at both sides of the ventilation hole 120, and the ventilation hood 160 is movably connected to the box 100 by inserting bolts 162 into the fixing nuts 140. Through setting up fixation nut 140 and bolt 162, improved the flexibility of being connected of draft hood 160 with box 100, the tester of being convenient for adjusts the height of draft hood 160 according to the concentration of smog in the cavity 110, further guarantees fire retardant coating's test effect.

In another embodiment, the top of the ventilation hood 160 is provided with a heat sink 161 extending outward. Through setting up heat dissipation portion 161, can avoid staff direct contact high temperature's draft hood 160 to outside transmission of the heat of draft hood 160 effectively, improve fireproof paint testing arrangement's security.

In another embodiment, a temperature probe 180 is further disposed on the box 100 and extends into the cavity 110, and the temperature probe 180 is electrically connected to the controller 300. Through setting up temperature probe 180, temperature information in cavity 110 can be collected in real time to controller 300, and then controls the air volume that gets into in box 100 through the aperture of control air inlet fan 170, and then avoids the high temperature of cavity 110 to lead to the accident, has further guaranteed fireproof paint testing arrangement's stability. In this embodiment, the controller 300 is further connected to a warning lamp 190, and when the temperature probe 180 detects that the temperature of the cavity 110 exceeds the upper limit value, the controller 300 turns on the warning lamp 190 to warn the tester.

The working principle of the present invention will be further explained below.

In the use process, as shown in fig. 1, the fireproof paint testing device is firstly in a closed state; the tester opens the door 130 through the handle 131, and places the tray 230 in the groove 221; then, placing a coating plate coated with fireproof coating on the support frame 210, enabling the coated surface to face downwards, adjusting the position of the positioning block 240, enabling the lower end of the coating plate to be attached to the positioning block 240, clamping two ends of the coating plate by the clamp 250, and ensuring that the nearest vertical distance between the upper end of the tray 230 and the coating plate is 25 mm; 5mL of absolute ethyl alcohol is dropped into the tray 230 as fuel and ignited; the door 130 is then closed and the fire-retardant paint testing apparatus is returned to the closed state. Then, the tester turns on the air supply fan 170 through the controller 300, and adjusts the upper temperature limit and the opening of the air supply fan 170 according to the test requirement of the paint. The air inlet fan 170 extracts air outside the box body 100 into the cavity 110, and after the air is combusted, the air is exhausted out of the box body 100 through a gap between the ventilation hood 160 and the ventilation hole 120 to form good air circulation, so that not only is the absolute ethyl alcohol in the tray 230 fully combusted, but also smoke generated by combustion is rapidly exhausted out of the box body 100, and testers can observe the condition of the coating plate in real time through the glass plate 132; at the same time, the tester can also ensure that the temperature of the cavity 110 is not too high by observing the warning lamp 190. If the warning light 190 sends a warning signal or smoke obstructs the tester from observing the condition of the coating plate, the controller 300 will reduce the rotation speed of the air inlet fan 170 to slow down the combustion of the fuel; meanwhile, the tester can adjust the positions of the ventilation hood 160 and the ventilation holes 120 by screwing the bolts 310, so as to accelerate the transmission speed of smoke and heat to the outside of the box body 100. When the flame in the tray 230 self-extinguishes, the tester opens the door 160, releases the clamp 250 and removes the burned paint plate from the support frame 210, and after cooling to room temperature, the test result is obtained by weighing and charring the paint plate.

As can be seen from the above description, the fireproof paint testing device of the present invention, by providing the box body 100 and the testing support 200, the paint plate can be placed on the support frame 210 and maintain an inclination angle with the tray 230, so that the paint plate is fully contacted with the flame, and the accuracy of the fireproof performance test of the paint is ensured; through the ventilation hood 160 and the air inlet fan 170, not only can the fuel be fully combusted, but also smoke generated by combustion can be quickly discharged out of the box body 100, so that a tester can conveniently monitor the test condition in the box body 100 in real time, and the safety of the fireproof paint testing device is improved; by arranging the glass plate 132, a tester can conveniently observe the test condition in the box body 100, and the safety of the fireproof paint testing device is improved; through setting up locating piece 240 and anchor clamps 250, improved the accurate nature in location and the installation stability of coating board, avoid taking place the coating board and the unable just condition that drops with the coating board of tray 230, further guarantee fireproof paint testing arrangement's stability.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

Claims

1. The utility model provides a fire retardant coating testing arrangement which characterized in that: comprises a box body, a test bracket and a controller; a cavity for accommodating the coating plate is formed in the box body, and the test support is fixedly arranged in the cavity; the testing support comprises a support frame for supporting the coating plate and a tray for storing fuel, the tray is fixedly connected with the support frame through a horizontal bracket, and an included angle alpha is formed between the length direction of the support frame and the bottom surface of the box body; the cross section of the box body is gradually reduced along the direction far away from the test support; the top of the box body is provided with a vent hole communicated with the cavity, and the upper end of the vent hole is provided with a ventilation hood; and an air inlet fan communicated with the cavity is arranged on the outer side of the box body and is electrically connected with the controller.

2. The fire retardant coating testing device of claim 1, wherein said included angle α is between 30 ° and 60 °.

3. The fire retardant coating testing device of claim 1, wherein a door is hinged to the box body, and a handle is provided on the door.

4. The fire retardant coating testing device of claim 3, wherein a glass plate is embedded in the door.

5. The fireproof paint testing device of claim 1, wherein the testing support further comprises a positioning block and a clamp, and both the positioning block and the clamp are movably connected with the supporting frame.

6. The fire retardant coating testing device of claim 5, wherein the horizontal bracket is provided with a groove, and the tray is inserted into the groove and is slidably connected with the horizontal bracket.

7. A fire retardant coating testing device according to claim 1, wherein the cross-sectional area of said ventilation hood is larger than the cross-sectional area of said ventilation hole.

8. The fire retardant coating testing device of claim 7, wherein fixing nuts are arranged on two sides of the vent hole, and the ventilation hood is movably connected with the box body by being inserted into the fixing nuts through bolts.

9. The fire retardant coating testing device of claim 8, wherein the top of said ventilation hood is provided with an outwardly extending heat sink.

10. The fire retardant coating testing device of claim 1, wherein the box body is further provided with a temperature probe extending into the cavity, and the temperature probe is electrically connected with the controller.