CN112213440A - Building energy-saving material flammability test device - Google Patents
Building energy-saving material flammability test device Download PDFInfo
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- CN112213440A CN112213440A CN202011057054.3A CN202011057054A CN112213440A CN 112213440 A CN112213440 A CN 112213440A CN 202011057054 A CN202011057054 A CN 202011057054A CN 112213440 A CN112213440 A CN 112213440A
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- G01N31/12—Investigating 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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Abstract
The invention discloses a flammability test device of a building energy-saving material, which relates to the technical field of test devices and specifically comprises a test base and a residue carrying mechanism, wherein the right side of the surface of the test base is provided with a clamping test mechanism, an alcohol lamp is arranged inside a sliding trolley, the residue carrying mechanism is connected to the top of the sliding trolley, the left side of the surface of the test base is fixedly provided with a smoking bracket, and the sliding head and the bottom of a corrugated pipe are both provided with smoking holes. This building energy-saving material flammability test device, can adapt to the building energy-saving material's of different specification and dimension flammability test, carry out the centre gripping to the material of unidimensional promptly, and clear up at the in-process of centre gripping, avoid dust impurity to hinder experimental normal clear up, can collect the residue that the burning produced in addition, make things convenient for the later stage to clear up to can absorb and filter the emission to the flue gas that the burning produced, avoid polluting the surrounding environment, ensure that the experimenter is healthy.
Description
Technical Field
The invention relates to the technical field of test devices, in particular to a flammability test device for a building energy-saving material.
Background
The building energy-saving material is widely applied along with the development of the society, the building energy-saving material can reduce energy consumption and reduce energy requirements compared with common building materials, wherein the flammability test of the building energy-saving material is a common mode for detecting the building energy-saving material, and the test process is to clamp the material, heat the material by using an alcohol lamp and observe whether the material is ignited.
Current flammability test device function is simple, can't absorb the filtration to the gas that the material heating produced, directly discharges easily to influence surrounding environment, also easily is inhaled by the human body and is caused harm, and the residue that the burning produced easily drops but can't collect moreover, leads to the later stage clearance loaded down with trivial details.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a flammability test device for a building energy-saving material, which solves the problems that the existing flammability test device provided in the background technology has simple functions, can not absorb and filter gas generated by heating the material, is directly discharged, is easy to influence the surrounding environment and harm caused by human body inhalation, and residues generated by combustion easily fall off but can not be collected, so that the later cleaning is complicated.
In order to achieve the purpose, the invention is realized by the following technical scheme: a flammability test device of building energy-saving materials comprises a test base and a residue receiving mechanism, wherein a clamping test mechanism is arranged on the right side of the surface of the test base and comprises a clamping frame, a lower roller shaft, an upper roller shaft, a threaded opening, a threaded column, a cleaning sponge and a clamping piece, the lower roller shaft is connected to the middle of the inner wall of the clamping frame, the upper roller shaft is distributed above the lower roller shaft, the clamping piece is arranged at two ends of the upper roller shaft and two ends of the lower roller shaft, the cleaning sponge is sleeved on the surface of the upper roller shaft and the surface of the lower roller shaft, the threaded opening is formed in the top of the clamping frame, the threaded column penetrates through the threaded opening, a slide rail is arranged in the middle of the surface of the test base, a sliding trolley is arranged inside the slide rail, an alcohol lamp is arranged inside the sliding trolley, and the residue receiving mechanism is connected, the residue receiving mechanism comprises a main receiving disc, a telescopic cloth, a drawing disc, a sliding column and a rubber band, wherein the telescopic cloth is connected to two sides of the main receiving disc, the drawing disc is connected to one side of the telescopic cloth, which is far away from the central axis of the main receiving disc, a rubber band is arranged in the telescopic cloth, sliding columns are fixed on two sides of the bottom of the main bearing disc, a smoking bracket is fixed on the left side of the surface of the test base, and the right side of the top of the smoking bracket is provided with an air suction pump, the left side of the bottom of the air suction pump is connected with a corrugated pipe, the left side of the corrugated pipe is connected with a sliding head, the inner wall of the top of the smoking bracket is provided with a sliding chute, the sliding head and the bottom of the corrugated pipe are both provided with a smoke absorbing hole, the left side of the air suction pump is connected with a filter box, and the inside of the filter box is provided with activated carbon fiber plates, dust-blocking curtains are arranged between the activated carbon fiber plates, and one end of each dust-blocking curtain is fixedly connected with the inner wall of the filter box.
Optionally, the lower roll shaft and the upper roll shaft are distributed in parallel, and the upper roll shaft, the lower roll shaft and the clamping piece are movably connected.
Optionally, the clamping pieces at the two ends of the upper roll shaft are movably connected with the threaded columns, and the upper roll shaft and the clamping pieces form a lifting structure through the threaded columns, the threaded openings and the clamping frames.
Optionally, the alcohol burner forms a sliding structure with the test base through the sliding trolley, the sliding rail, and the top of the alcohol burner protrudes out of the top of the sliding trolley.
Optionally, the drawing disc forms a sliding structure with the main bearing disc through the sliding column, the telescopic cloth forms an elastic structure with the main bearing disc through the rubber band, and the top of the alcohol lamp penetrates through the central part of the main bearing disc.
Optionally, the sliding head forms a telescopic structure with the getter pump through the bellows, and the sliding head forms a sliding structure with the smoking support through the sliding groove.
Optionally, the bottom of the corrugated pipe is arc-shaped, and smoking holes are uniformly distributed at the bottom of the corrugated pipe and the bottom of the sliding head.
Optionally, the filter box forms a communicating structure with the smoking hole through the air suction pump, the corrugated pipe, the sliding head, and the filter box, the air suction pump and the smoking bracket are fixedly connected.
Optionally, the dust blocking curtain and the activated carbon fiber board are both inclined, and are in staggered distribution.
The invention provides a building energy-saving material flammability test device, which has the following beneficial effects:
1. this building energy-saving material flammability test device, building energy-saving material passes down the roller, go up the roller, carry out the centre gripping until the material tail end between the holder by the holder, can clear up the material surface through the clearance sponge in this process, avoid dust impurity to influence the experimental result, and can make the roller, the clearance sponge, thereby the holder goes up and down to adjust down the interval between roller and the last roller through rotating the screw thread post, thereby adapt to the building energy-saving material of different dimensions.
2. This building energy saving material flammability test device, the alcohol burner is located inside the slip dolly, the alcohol burner when the slip dolly slides along the slide rail is inside can heat each position of material and carry out the flammability test, and the material if ignited because of the burning residue appears and drop and can be accepted the dish by the owner, the drawing tray is collected, avoid the residue to drop at will, make things convenient for the later stage clearance, and make the concertina cloth expand through the tensile dish of pulling and accept the area, avoid the residue to drop to other department, and can make the tensile dish receive to the owner through the rubber band when the drawing tray is idle and accept a both sides simultaneous concertina cloth shrink folding, thereby reduce the volume, reduce the space occupancy.
3. This building energy-saving material flammability test device, can produce the negative pressure in the smoke suction hole department of the bottom of slider and bellows through the aspirator pump, thereby will be because of the smoke and dust that flammability test produced inhales the rose box inside, avoid the smoke and dust diffusion to cause environmental pollution, in order to avoid the human body to inhale harm healthy, and make it along the inside back and forth slip of spout can make the bellows take place to stretch out and draw back through promoting the slider, thereby adjustable dust absorption area, be favorable to adapting to different specification and dimension's building energy-saving material, and the bellows bottom is the convenience of indent arc form and collects the smoke and dust.
4. This building energy-saving material flammability test device, the inside activated carbon fiber board and the dust blocking curtain of being provided with of rose box, can block the dust granule in the smoke and dust through the dust blocking curtain, and can adsorb the harmful molecule in filtering the smoke and dust through the activated carbon fiber board, avoid harmful molecule to discharge, and activated carbon fiber board all is the slope form and crisscross distribution with the dust blocking curtain, is favorable to enlarging the area of contact to the smoke and dust, avoids having the smoke and dust to omit and is directly discharged away.
5. This building energy-saving material flammability test device, can adapt to the building energy-saving material's of different specification and dimension flammability test, carry out the centre gripping to the material of unidimensional promptly, and clear up at the in-process of centre gripping, avoid dust impurity to hinder experimental normal clear up, can collect the residue that the burning produced in addition, make things convenient for the later stage to clear up to can absorb and filter the emission to the flue gas that the burning produced, avoid polluting the surrounding environment, ensure that the experimenter is healthy.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a front view of a holder according to the present invention;
FIG. 3 is a schematic cross-sectional view of a bellows according to the present invention;
FIG. 4 is a schematic top view of the main tray of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention; .
In the figure: 1. a test base; 2. a clamping test mechanism; 3. a clamping frame; 4. a lower roll shaft; 5. an upper roll shaft; 6. a threaded opening; 7. a threaded post; 8. cleaning the sponge; 9. a clamping member; 10. a slide rail; 11. a sliding trolley; 12. an alcohol lamp; 13. a residue receiving mechanism; 14. a main tray; 15. a telescopic cloth; 16. a drawing plate; 17. a traveler; 18. a rubber band; 19. a smoking support; 20. a getter pump; 21. a bellows; 22. a sliding head; 23. a chute; 24. a smoking hole; 25. a filter box; 26. an activated carbon fiber board; 27. a dust-blocking curtain.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, the present invention provides a technical solution: a flammability test device of building energy-saving materials comprises a test base 1 and a residue receiving mechanism 13, wherein a clamping test mechanism 2 is arranged on the right side of the surface of the test base 1, the clamping test mechanism 2 comprises a clamping frame 3, a lower roller 4, an upper roller 5, threaded openings 6, threaded columns 7, cleaning sponges 8 and clamping pieces 9, a lower roller 4 is connected to the middle part of the inner wall of the clamping frame 3, an upper roller 5 is distributed above the lower roller 4, the clamping pieces 9 are arranged at two ends of the upper roller 5 and two ends of the lower roller 4, the cleaning sponges 8 are sleeved on the surfaces of the upper roller 5 and the lower roller 4, the threaded openings 6 are formed in the top of the clamping frame 3, the threaded columns 7 penetrate through the threaded openings 6, the lower roller 4 and the upper roller 5 are distributed in parallel, the upper roller 5, the lower roller 4 and the clamping pieces 9 are movably connected, the clamping pieces 9 at two ends of the upper roller 5 are movably connected with the threaded columns 7, the upper roll shaft 5 and the clamping piece 9 form a lifting structure through the threaded column 7 and the threaded opening 6 and the clamping frame 3, a material to be tested penetrates through the lower roll shaft 4 and the upper roll shaft 5 until the tail end of the material is positioned between the clamping pieces 9, the surface of the material can be cleaned through the cleaning sponge 8 in the process, the influence of dust and impurities on an experimental result is avoided, the threaded column 7 is rotated to descend along the inner wall of the threaded opening 6 to enable the upper roll shaft 5 to be pressed downwards, so that the clamping pieces 9 are close to each other to clamp the material, and the upper roll shaft 5 can be lifted to adjust the distance between the lower roll shaft 4 and the upper roll shaft 5, so that the material is suitable for building energy-saving materials with different dimensions and specifications, and the building energy-saving materials with different dimensions and specifications are conveniently cleaned and clamped;
the middle part of the surface of the test base 1 is provided with a slide rail 10, a sliding trolley 11 is arranged inside the slide rail 10, an alcohol lamp 12 is arranged inside the sliding trolley 11, the alcohol lamp 12 forms a sliding structure through the sliding trolley 11 and the slide rail 10 and the test base 1, the top of the alcohol lamp 12 protrudes out of the top of the sliding trolley 11, the alcohol lamp 12 is positioned inside the sliding trolley 11, the alcohol lamp 12 when the sliding trolley 11 is pushed manually to slide along the inside of the slide rail 10 can heat each part of the material for a flammability test, each part of the material can be tested, so that the randomness of the test is improved, and the test quality is improved;
the residue receiving mechanism 13 is connected to the top of the sliding trolley 11, the residue receiving mechanism 13 comprises a main receiving disc 14, a telescopic cloth 15, a stretching disc 16, a sliding column 17 and a rubber band 18, the telescopic cloth 15 is connected to two sides of the main receiving disc 14, the stretching disc 16 is connected to one side, away from the central axis of the main receiving disc 14, of the telescopic cloth 15, the rubber band 18 is arranged inside the telescopic cloth 15, the sliding column 17 is fixed to two sides of the bottom of the main receiving disc 14, the stretching disc 16 forms a sliding structure with the main receiving disc 14 through the sliding column 17, the telescopic cloth 15 forms an elastic structure with the main receiving disc 14 through the rubber band 18, the top of the alcohol lamp 12 penetrates through the central part of the main receiving disc 14, if the material is ignited, the residues fall due to combustion and can be collected by the main receiving disc 14 and the stretching disc 16, the residues are prevented from falling randomly, later-stage cleaning is facilitated, and the telescopic cloth 15 is unfolded by pulling the stretching disc 16, the residues are prevented from falling to other positions, namely the silica gel ferrule at the bottom of the drawing disc 16 slides along the outer wall of the sliding column 17 when the drawing disc 16 is drawn until the silica gel ferrule penetrates through the protrusion of the sliding column 17, at the moment, the main silica gel ferrule is clamped at the protrusion of the sliding column 17 to prevent the drawing disc 16 from sliding back, the drawing disc 16 is pushed to enable the silica gel ferrule at the bottom of the drawing disc to penetrate through the protrusion of the sliding column 17 when the drawing disc 16 is idle, and at the moment, the drawing disc 16 can be automatically retracted to two sides of the main bearing disc 14 through the rubber bands 18 and the telescopic cloth 15 can be;
a smoking bracket 19 is fixed on the left side of the surface of the test base 1, a suction pump 20 is arranged on the right side of the top of the smoking bracket 19, the left side of the bottom of the suction pump 20 is connected with a corrugated pipe 21, the left side of the corrugated pipe 21 is connected with a sliding head 22, the inner wall of the top of the smoking bracket 19 is provided with a sliding groove 23, the sliding head 22 and the bottom of the corrugated pipe 21 are both provided with smoking holes 24, the left side of the suction pump 20 is connected with a filter box 25, the inside of the filter box 25 is provided with an activated carbon fiber board 26, a dust blocking curtain 27 is arranged between the activated carbon fiber boards 26, one end of the dust blocking curtain 27 is fixedly connected with the inner wall of the filter box 25, the sliding head 22 forms a telescopic structure with the suction pump 20 through the corrugated pipe 21, the sliding head 22 forms a sliding structure with the smoking bracket 19 through the sliding groove 23, the bottom of the corrugated pipe 21 is, the filter box 25 forms a communicating structure with the smoking hole 24 through the air suction pump 20, the corrugated pipe 21, the sliding head 22, and the filter box 25, the air suction pump 20 and the smoking support 19 are fixedly connected, the dust blocking curtain 27 and the activated carbon fiber board 26 are both inclined, the dust blocking curtain 27 and the activated carbon fiber board 26 are distributed in a staggered manner, negative air pressure can be generated at the smoke hole 24 at the bottom of the sliding head 22 and the corrugated pipe 21 through the air suction pump 20, so that smoke dust generated in a flammability test is sucked into the filter box 25, environmental pollution caused by smoke dust diffusion is avoided, human body suction harms body health is avoided, the corrugated pipe 21 can be stretched and retracted by pushing the sliding head 22 to slide back and forth along the inside of the sliding groove 23, the dust suction area can be adjusted, the dust suction box is beneficial to being adapted to building energy-saving materials with different specifications and sizes, and the bottom of the corrugated pipe 21 is in an inward concave arc shape, so that, and the inside activated carbon fiber board 26 and the dust screen 27 that is provided with of rose box 25 can block the dust granule in the smoke and dust through the dust screen 27, and can adsorb the harmful molecule in the filtration smoke and dust through activated carbon fiber board 26, avoids harmful molecule to discharge, and activated carbon fiber board 26 all is the slope form and crisscross distribution with the dust screen 27, is favorable to enlarging the area of contact to the smoke and dust, avoids having the smoke and dust to omit and is directly discharged away.
To sum up, the flammability test device of the building energy-saving material, when in use, firstly the material to be tested passes through the lower roll shaft 4 and the upper roll shaft 5 until the tail end of the material is positioned between the clamping pieces 9, in the process, the surface of the material can be cleaned through the cleaning sponge 8 to avoid the influence of dust and impurities on the test result, then the threaded column 7 is rotated to descend along the inner wall of the threaded opening 6 to press the upper roll shaft 5 downwards, so that the clamping pieces 9 are mutually close to each other to clamp the tail end of the material to finish clamping, then the alcohol lamp 12 is ignited, the alcohol lamp 12 is positioned in the sliding trolley 11, the alcohol lamp 12 when the sliding trolley 11 is manually pushed to slide along the inner part of the sliding rail 10 can heat each part of the material to carry out flammability test, and simultaneously, the corrugated pipe 21 can be stretched and contracted by pushing the sliding head 22 to slide back and forth along the, negative air pressure can be generated at the smoke suction holes 24 at the bottoms of the sliding head 22 and the corrugated pipe 21 through the air suction pump 20, so that smoke dust generated in a flammability test is sucked into the filter box 25, the environment pollution caused by the diffusion of the smoke dust is avoided, the harm to the health of a human body is avoided, then the filter box 25 is internally provided with an activated carbon fiber board 26 and a dust blocking curtain 27, dust particles in the smoke dust can be blocked through the dust blocking curtain 27, harmful molecules in the smoke dust can be adsorbed and filtered through the activated carbon fiber board 26, the harmful molecules are prevented from being discharged, the activated carbon fiber board 26 and the dust blocking curtain 27 are in an inclined shape and are distributed in a staggered mode, the contact area of the smoke dust is favorably enlarged, the smoke dust is prevented from being omitted and directly discharged, and finally, if the material is ignited, residues fall due to combustion and can be collected by the main bearing disc 14 and the drawing disc 16, the residues are prevented from falling, and the, and the extension cloth 15 is unfolded by pulling the extension disc 16 to enlarge the bearing area and prevent the residue from falling to other positions, namely, when the extension disc 16 is extended, the silica gel ferrule at the bottom of the extension disc slides along the outer wall of the sliding column 17 until the silica gel ferrule passes through the protruding position of the sliding column 17, at the moment, the main silica gel ferrule is clamped at the protruding position of the sliding column 17 to prevent the extension disc 16 from sliding back, when the extension disc 16 is idle, the silica gel ferrule at the bottom of the extension disc is pushed to pass through the protruding position of the sliding column 17, and at the moment, the extension disc 16 can be automatically retracted to two sides of the main bearing disc 14 and the extension cloth 15 is contracted and folded through the.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. The utility model provides a building energy-saving material flammability test device, includes experimental base (1) and residue receiving mechanism (13), its characterized in that: the right side of the surface of the test base (1) is provided with a clamping test mechanism (2), the clamping test mechanism (2) comprises a clamping frame (3), a lower roll shaft (4), an upper roll shaft (5), a threaded opening (6), a threaded column (7), a cleaning sponge (8) and a clamping piece (9), the middle part of the inner wall of the clamping frame (3) is connected with the lower roll shaft (4), the upper roll shaft (5) is distributed above the lower roll shaft (4), the clamping piece (9) is arranged at both ends of the upper roll shaft (5) and both ends of the lower roll shaft (4), the cleaning sponge (8) is sleeved on the surface of the upper roll shaft (5) and the surface of the lower roll shaft (4), the top of the clamping frame (3) is provided with the threaded opening (6), the threaded column (7) penetrates through the threaded opening (6), and a slide rail (10) is arranged in the middle part of the surface of the test base, a sliding trolley (11) is arranged in the sliding rail (10), an alcohol lamp (12) is arranged in the sliding trolley (11), the residue receiving mechanism (13) is connected to the top of the sliding trolley (11), the residue receiving mechanism (13) comprises a main receiving disc (14), a telescopic cloth (15), a stretching disc (16), a sliding column (17) and a rubber band (18), the telescopic cloth (15) is connected to two sides of the main receiving disc (14), the stretching disc (16) is connected to one side, away from the central axis of the main receiving disc (14), of the telescopic cloth (15), the rubber band (18) is arranged in the telescopic cloth (15), the sliding column (17) is fixed to two sides of the bottom of the main receiving disc (14), a smoking support (19) is fixed to the left side of the surface of the test base (1), and an air suction pump (20) is arranged on the right side of the top of the smoking support (19), the utility model discloses a smoke-absorbing device, including aspirator pump (20), bellows (21) are connected with in the bottom left side of aspirator pump (20), and the left side of bellows (21) is connected with slip head (22), spout (23) have been seted up to the top inner wall of smoking support (19), smoke suction hole (24) have all been seted up to slip head (22) and the bottom of bellows (21), the left side of aspirator pump (20) is connected with rose box (25), and the inside arrangement of rose box (25) has activated carbon fiber board (26), it has dust-blocking curtain (27) to settle between activated carbon fiber board (26), and the one end of dust-blocking curtain (27) links firmly mutually with the inner wall of rose box (25).
2. The flammability test device of building energy saving material as claimed in claim 1, wherein: the lower roll shaft (4) and the upper roll shaft (5) are distributed in parallel, and the upper roll shaft (5), the lower roll shaft (4) and the clamping piece (9) are movably connected.
3. The flammability test device of building energy saving material as claimed in claim 1, wherein: the clamping pieces (9) at the two ends of the upper roll shaft (5) are movably connected with the threaded columns (7), and the upper roll shaft (5) and the clamping pieces (9) form a lifting structure through the threaded columns (7), the threaded openings (6) and the clamping frames (3).
4. The flammability test device of building energy saving material as claimed in claim 1, wherein: the alcohol lamp (12) forms a sliding structure with the test base (1) through the sliding trolley (11), the sliding rail (10), and the top of the alcohol lamp (12) protrudes out of the top of the sliding trolley (11).
5. The flammability test device of building energy saving material as claimed in claim 1, wherein: the drawing disc (16) forms a sliding structure with the main bearing disc (14) through the sliding column (17), the telescopic cloth (15) forms an elastic structure with the main bearing disc (14) through the rubber band (18), and the top of the alcohol lamp (12) penetrates through the center of the main bearing disc (14).
6. The flammability test device of building energy saving material as claimed in claim 1, wherein: the sliding head (22) forms a telescopic structure with the air suction pump (20) through the corrugated pipe (21), and the sliding head (22) forms a sliding structure with the smoking support (19) through the sliding groove (23).
7. The flammability test device of building energy saving material as claimed in claim 1, wherein: the bottom of the corrugated pipe (21) is arc-shaped, and smoking holes (24) are uniformly distributed at the bottom of the corrugated pipe (21) and the bottom of the sliding head (22).
8. The flammability test device of building energy saving material as claimed in claim 1, wherein: the filter box (25) is communicated with the smoking hole (24) through the air suction pump (20), the corrugated pipe (21), the sliding head (22), and the filter box (25), the air suction pump (20) and the smoking support (19) are fixedly connected.
9. The flammability test device of building energy saving material as claimed in claim 1, wherein: the dust-blocking curtain (27) and the activated carbon fiber board (26) are both inclined, and the dust-blocking curtain (27) and the activated carbon fiber board (26) are distributed in a staggered manner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011057054.3A CN112213440B (en) | 2020-09-30 | 2020-09-30 | Building energy-saving material flammability test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011057054.3A CN112213440B (en) | 2020-09-30 | 2020-09-30 | Building energy-saving material flammability test device |
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| CN112213440A true CN112213440A (en) | 2021-01-12 |
| CN112213440B CN112213440B (en) | 2022-06-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125652A (en) * | 2021-04-21 | 2021-07-16 | 武汉军轩天防科技有限公司 | Intelligent atmospheric environment on-line monitoring analyzer |
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