CN215375277U

CN215375277U - Vertical combustion experimental device

Info

Publication number: CN215375277U
Application number: CN202122026281.6U
Authority: CN
Inventors: 吴行; 皮松兵; 曾德恩
Original assignee: Shenzhen Huakeda Testing Co ltd
Current assignee: Shenzhen Huakeda Testing Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2021-12-31
Anticipated expiration: 2031-08-25

Abstract

The utility model relates to a vertical burning experimental apparatus, it includes burning box and spray gun subassembly, burning box includes the box and is used for hanging the material piece of hanging of establishing the test material, the box is side open structure, it sets up in the inner wall of box to hang the material piece, the bottom of box is arranged in to the spray gun subassembly, the inside dipperstick that is used for detecting material length that is provided with of box, the dipperstick is vertical setting, dipperstick fixed connection is in the box or hangs the material piece, the dipperstick slides and is connected with at least one instruction piece. The application can measure the burning speed of materials in different stages.

Description

Vertical combustion experimental device

Technical Field

The application relates to the field of combustion experiment devices, in particular to a vertical combustion experiment device.

Background

At present, the vertical combustion experimental device is used for recording the smoldering and afterburning time of a tested material, and calculating the combustion speed of the material in a vertical state according to the damage length of the material so as to evaluate the combustion performance of the material. In order to meet the requirements of the existing combustion experiments, a combustion experimental device is often used to detect relevant parameters of combustion of relevant materials.

The existing vertical combustion experimental device comprises a combustion box and a spray gun assembly, wherein the spray gun assembly is arranged inside the box body in a laboratory, then a tested material is placed inside the combustion box, the spray gun assembly is placed below the material to be evaluated, the lower end of the tested material is ignited by the spray gun assembly, the spray gun assembly continuously combusts the tested material, and the time for burning the tested material is recorded when the tested material is ignited.

In the course of practical experiments, the flame propagation speed is the average speed calculated according to the length of the material put into the combustion chamber and the time taken for complete combustion.

In view of the above-mentioned related technologies, the inventor believes that to evaluate the combustion performance of the material, it is impossible to only see the average speed of flame propagation, and during the combustion process of the measured material, the temperature of the air around the measured material continuously rises, which affects the speed of the measured combustion material, so that it is also necessary to measure the remaining lengths of the measured material in different time periods during the experiment process, so as to obtain the combustion speeds of the measured material in different time periods, so as to comprehensively evaluate the combustion performance of the material.

SUMMERY OF THE UTILITY MODEL

In order to measure the burning velocity of different stage materials in the experimental process, the application provides a vertical burning experimental apparatus.

The application provides a vertical combustion experimental apparatus adopts following technical scheme:

the utility model provides a vertical burning experimental apparatus, includes burning box and spray gun subassembly, the burning box includes the box and is used for hanging the material piece of hanging of establishing experimental material, the box is side open structure, it sets up in the inner wall of box to hang the material piece, the bottom of box is arranged in to the spray gun subassembly, the inside dipperstick that is used for detecting material length that is provided with of box, the dipperstick is vertical setting, dipperstick fixed connection is in the box or hangs the material piece, the dipperstick slides and is connected with at least one instruction piece.

Through adopting above-mentioned technical scheme, in the laboratory, only need to be surveyed the material and locate the box through hanging the material spare, then slide to different heights along the dipperstick through the instruction piece, with the position that will be surveyed the material and divide into different length, and measure the total length of being surveyed the material and the length at different positions through the dipperstick, after will being surveyed the material ignition through the spray gun subassembly, record the total burning time of being surveyed the material and the burning time at different positions in proper order, can calculate the burning speed of being surveyed the different burning stages of material.

Optionally, hang the material piece including hanging the material roof beam and being used for hanging the material hang the material hook, hang material hook fixed connection in hanging the material roof beam, hang material roof beam fixed connection or slide and connect in the inner wall of box.

Through adopting above-mentioned technical scheme, hang the material hook and connect in the inside of box through hanging the material roof beam, reduce the possibility of being surveyed material and box inner wall contact to reduce the influence of box to being surveyed material burning.

Optionally, the spray gun assembly comprises a spray gun for igniting the material to be tested and a support seat, the spray gun is mounted on the support seat, and the support seat is arranged in the box body.

Optionally, the isolation box is sleeved outside the box body, the isolation box is of a side opening structure, and the isolation box is provided with an air pumping piece for pumping air out.

Through adopting above-mentioned technical scheme, the baffle box can collect the waste gas that the burning produced in the box to take waste gas out through the spare of bleeding, at this in-process, can also reduce the influence of the piece of bleeding to the air current in the box through the baffle box, thereby reduce the influence of the piece of bleeding to being surveyed the material burning in the box.

Optionally, the air pumping part comprises an air pumping pipe communicated with the inside of the isolation box and an air pump used for pumping air in the isolation box, the air pump is arranged in the isolation box, and the air pumping pipe is communicated with an air outlet end of the air pump.

Through adopting above-mentioned technical scheme, when needs bleed, only need through the air extractor with the gas suction in the shielded cell to exhaust in the exhaust tube can.

Optionally, a filter disc with a net structure is connected in the box body in a sliding mode, the filter disc is horizontally arranged, and the spray gun assembly is arranged on the surface of the filter disc.

Through adopting above-mentioned technical scheme, the filter disc can make the ashes that the material burning produced that is surveyed fall into the inside to the box behind the filter disc, and the material that is surveyed is not totally burnt simultaneously can be held back by the filter disc to whether observe the material that is surveyed and burn completely.

Optionally, an ash tray for receiving ash generated after the tested material is combusted is arranged in the box body, the ash tray is of a box-shaped structure with an upper opening, and the ash tray is connected to the inner wall of the box body in a sliding manner.

Through adopting above-mentioned technical scheme, the ash tray can be collected the ashes that the material burning produced by being surveyed, simultaneously when the clearance, only need make ash tray roll-off box can.

Optionally, be provided with slide rail set spare in the box, slide rail set spare includes two at least sliding parts, sliding part is including being the slide rail of level setting and sliding the slider of connecting in the slide rail, at least one sliding part's slide rail is on a parallel with the opening direction of box, other sliding part's slide rail fixed connection is in the slide rail that is on a parallel with box opening direction, spray gun subassembly fixed connection is in the slider on the slide rail of perpendicular to box opening direction, the slider is provided with and is used for making its fastener that slides the locking.

Through adopting above-mentioned technical scheme, before the material to be measured ignites, only need to make the relative slide rail that locates of slider slide to change the below or the lateral part that the position of spray gun subassembly in the box is located the hook of hanging material, in order to ignite the material to be measured, make the relative slide rail of slider lock that slides through the fastener, can make the spray gun subassembly when the material to be measured ignites, can be relatively comparatively stable be fixed in the position at place, reduce the spray gun subassembly because of the combustion gas stream possibility that the position changes.

Optionally, the fastener is a screw rod, the fastener penetrates through and is in threaded connection with the slider, and the fastener abuts against the slide rail in sliding connection with the slider; or the fastener is an elastic shifting sheet, the fastener is fixedly connected to the sliding block, and the movable end of the fastener abuts against the sliding rail connected with the sliding block in a sliding mode.

In summary, the present application includes at least one of the following beneficial technical effects:

in a laboratory, the measured material is hung in the box body only by hanging the measured material on the hanging beam through the hanging hook, then the measured material is divided into parts with different lengths by sliding the indicating block to different heights along the measuring scale, and the total length of the measured material and the lengths of the different parts are measured through the measuring scale; and finally, after the position of the spray gun assembly is adjusted through the slide rail assembly, the position of the spray gun assembly is relatively fixed, the tested material is ignited through the spray gun assembly, the total combustion time of the tested material and the combustion time of different parts are sequentially recorded, and the combustion speed of the tested material in different combustion stages can be calculated.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present application.

Fig. 2 is a schematic structural diagram of embodiment 2 of the present application.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2.

Description of reference numerals: 1. a combustion box; 11. a box body; 111. a first chute; 112. a second chute; 12. hanging a material part; 121. hanging a material beam; 122. hanging a material hook; 13. measuring a scale; 14. an indication block; 15. an isolation box; 16. an air extraction member; 161. an air exhaust pipe; 162. an air extractor; 2. a spray gun assembly; 21. a spray gun; 22. a supporting seat; 3. a filter tray; 31. a filter frame; 32. a filter screen; 4. an ash containing disc; 5. a slide rail assembly; 51. a sliding member; 511. a slide rail; 512. a slider; 52. a fastener.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses vertical combustion experimental apparatus.

Example 1

Referring to fig. 1, the vertical combustion experimental apparatus includes a combustion box 1 and a torch assembly 2 for igniting a material to be measured. The combustion box 1 comprises a box body 11 and a hanging part 12 for hanging experimental materials, wherein the box body 11 is of a side opening structure and is used for hanging the materials in the laboratory through the hanging part 12 and arranged on the inner side of the box body 11. Wherein the lance assembly 2 is disposed in a bottom wall within the housing 11 for laboratory ignition of the material being tested.

Hang material piece 12 including hanging material roof beam 121 and hanging material hook 122, hang material roof beam 121 fixed connection in the inner wall of box 11, hang material hook 122 fixed connection in hanging material roof beam 121 to when being used for hanging the material to be measured and locating box 11, reduce the inner wall that the material to be measured contacted box 11, influence the possibility of experimental result. In other embodiments, the hanging beam 121 may be slidably connected to the inner wall of the box 11 along the opening direction of the box 11, and the hanging hook 122 may be a clip supported by a flame retardant material, such as a metal clip or a ceramic clip.

Be provided with the dipperstick 13 that is used for measuring by survey material length in the box 11, dipperstick 13 is vertical setting, and dipperstick 13's top fixed connection is in hanging material roof beam 121 or the inner wall of box 11, and dipperstick 13 fixed connection is in hanging material roof beam 121 in the embodiment of this application to in real time read by survey material's length. Wherein, dipperstick 13 vertical slip is connected with at least one and indicates piece 14 to in the burning velocity of different positions when detecting the material burning of being surveyed, indicate piece 14 to be provided with two in the embodiment of this application.

The outside of box 11 still overlaps and is equipped with shielded box 15, and shielded box 15 is side open structure, and box 11 places in shielded box 15. Wherein the isolation box 15 is provided with a suction member 16 for sucking out the internal gas.

The air pumping member 16 includes an air pumping pipe 161 and an air pump 162, an air inlet end of the air pump 162 is connected to the inside of the isolation box 15, one end of the air pumping pipe 161 is connected to an air outlet end of the air pump 162, and the other end of the air pumping pipe 161 is connected to the gas processing equipment, so that the air pumping pipe 161 is connected to the isolation box 15 through the air pump 162. Wherein, the air pump 162 can be an air pump, a negative pressure fan or an axial flow fan. In other embodiments, two air exhaust pipes 161 are provided, wherein one air exhaust pipe 161 is communicated with the isolation box 15, and opposite ends of the two air exhaust pipes 161 are respectively communicated and fixedly connected to the air outlet end and the air inlet end of the air exhauster 162.

The spray gun assembly 2 comprises a spray gun 21 for igniting the material to be tested and a support seat 22, the support seat 22 is placed in the box body 11, and the spray gun 21 is rotatably, hinged or fixedly connected to the support seat 22.

The implementation principle of the embodiment 1 is as follows: during the experiment, the tested material is hung on the material hanging hook 122, then the indicating block 14 slides, the tested material is divided into a plurality of different parts, the tested material is ignited through the spray gun 21, the time of the tested material burning to the different parts indicated by the indicating block 14 is recorded, meanwhile, in the burning process, the air extractor 162 can extract the gas exhausted from the box body 11 to the isolation box 15 into the air extraction pipe 161 to be exhausted, and the influence of excessive smoke on the experiment observation and the burning of the tested material is reduced; meanwhile, due to the existence of the isolation box 15, when the air extractor 162 extracts air, the influence on the air flow in the box body 11 is effectively reduced, so that the influence on the experiment is reduced.

Example 2

Referring to fig. 2 and 3, the present embodiment is different from embodiment 1 in that a filter tray 3 is further disposed in the box 11, the filter tray 3 includes a filter frame 31 having a frame-shaped structure and a filter net 32 connected to an inner side edge of the filter frame 31, and the filter frame 31 is horizontally disposed and slidably connected to an inner wall of the box 11. The supporting seat 22 is placed on the filter screen 32, so that in the experimental process, ash generated by the completely combusted material to be tested can flow through the filter screen 32 and fall down, and the completely uncombusted material to be tested can be retained by the filter screen 32, so that whether the material to be tested is completely combusted or not can be observed, and the accuracy of the experiment is optimized.

First spout 111 has been seted up respectively to two vertical inner walls of box 11, and first spout 111 extends along the opening direction of box 11, and the frame limit card of filter frame 31 is established and is slided and connect in the inner wall of first spout 111. Wherein, the first chute 111 is opened towards the open end of the box 11, so as to take out the filter frame 31 and clean the filter screen 32 and the filter frame 31.

Referring to fig. 2 and 3, an ash tray 4 is further disposed below the filter tray 3, and the ash tray 4 is used for receiving ash generated after the material to be tested is combusted. Flourishing ash tray 4 is open-top's box-like structure, and two second spouts 112 that are on a parallel with the open side direction of box 11 are seted up to the inner wall of box 11, and the both sides border that flourishing ash tray 4 is on a parallel with the open side direction of box 11 blocks respectively to be established and slide and connect in two second spouts 112 to take out flourishing ash tray 4 relative box 11 after the experiment, thereby can be relatively comparatively convenient clearance by the ashes that the burning of material produced. Wherein, the supporting seat 22 is positioned above the ash tray 4.

Referring to fig. 2 and 3, a slide rail assembly 5 is further disposed in the box 11 for adjusting and fixing the position of the support seat 22, so as to reduce the possibility that the support seat 22 is displaced due to the air flow generated by combustion.

The slide rail assembly 5 includes at least two sliding members 51, and the sliding members 51 are three in the embodiment of the present application. The sliding member 51 includes a sliding rail 511 horizontally disposed and a sliding block 512 slidably connected to the sliding rail 511. In other embodiments, two sliding members 51 may be adopted, and the sliding rail 511 adopts a screw rotatably connected to the inner wall of the box 11, and the sliding rail 511 is inserted and screwed into the sliding block 512.

Referring to fig. 2 and 3, the slide rails 511 of two of the three slide members 51 are parallel to the opening direction of the box 11, and the two slide rails 511 parallel to the opening direction of the box 11 are located at the same height and fixedly connected to the inner wall of the box 11. The slide rail 511 of the remaining one slide member 51 is perpendicular to the slide rails 511 of the other two slide members 51, and both ends of the slide rail 511 perpendicular to the opening direction of the box body 11 are respectively and fixedly connected to the slide blocks 512 of the other two slide members 51, and the support seat 22 is fixedly connected to the slide blocks 512 of the slide rail 511 perpendicular to the opening direction of the box body 11. Wherein the slider 512 is provided with a fastener 52 that causes it to be slidably locked.

The fastening member 52 is a screw, the fastening member 52 is inserted into and threaded with the sliding block 512, and the fastening member 52 abuts against the sliding rail 511 slidably connected to the sliding block 512. Or the fastening member 52 is an elastic shifting piece, the fastening member 52 is fixedly connected to the sliding block 512, the elastic shifting end of the fastening member 52 abuts against the sliding rail 511 slidably connected to the sliding block 512, and the fastening member 52 is a screw rod in the embodiment of the present application.

The implementation principle of the embodiment 2 is as follows: when the ignition device is used, the sliding block 512 only needs to slide relative to the sliding rail 511 to adjust the position of the supporting seat 22 in the box body 11 to be located below the hanging hook 122, the sliding block 512 slides and is locked through the fastener 52, so that the position of the supporting seat 22 in the box body 11 is fixed, the tested material is hung on the hanging hook 122, and then the tested material is ignited through the spray gun 21.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a vertical burning experimental apparatus, includes combustion box (1) and spray gun subassembly (2), its characterized in that: burning box (1) include box (11) and be used for hanging material of hanging (12) of establishing the experimental material, box (11) are side open structure, hang material (12) and set up in the inner wall of box (11), the bottom of box (11) is arranged in to spray gun subassembly (2), box (11) inside is provided with dipperstick (13) that are used for detecting material length, dipperstick (13) are vertical setting, dipperstick (13) fixed connection is in box (11) or string material (12), dipperstick (13) slide and are connected with at least one instruction piece (14).

2. The vertical combustion experimental apparatus according to claim 1, characterized in that: the material hanging part (12) comprises a material hanging beam (121) and a material hanging hook (122) for hanging materials, the material hanging hook (122) is fixedly connected to the material hanging beam (121), and the material hanging beam (121) is fixedly connected or connected to the inner wall of the box body (11) in a sliding mode.

3. The vertical combustion experimental apparatus according to claim 1, characterized in that: the spray gun assembly (2) comprises a spray gun (21) used for igniting a material to be tested and a supporting seat (22), the spray gun (21) is installed on the supporting seat (22), and the supporting seat (22) is arranged in the box body (11).

4. The vertical combustion experimental apparatus of claim 3, characterized in that: the gas-liquid separation box is characterized in that an isolation box (15) is sleeved outside the box body (11), the isolation box (15) is of a side opening structure, and a gas pumping piece (16) used for pumping gas out is arranged on the isolation box (15).

5. The vertical combustion experimental apparatus of claim 4, characterized in that: the air pumping piece (16) comprises an air pumping pipe (161) communicated with the inside of the isolation box (15) and an air pump (162) used for pumping air in the isolation box (15), the air pump (162) is arranged in the isolation box (15), and the air pumping pipe (161) is communicated with an air outlet end of the air pump (162).

6. The vertical combustion experimental apparatus according to claim 1, characterized in that: the filter disc (3) which is of a net structure is connected to the box body (11) in a sliding mode, the filter disc (3) is horizontally arranged, and the spray gun assembly (2) is arranged on the surface of the filter disc (3).

7. The vertical combustion experimental apparatus of claim 6, characterized in that: an ash containing disc (4) used for containing ash generated after combustion of the material to be detected is arranged in the box body (11), the ash containing disc (4) is of a box-shaped structure with an upper opening, and the ash containing disc (4) is connected to the inner wall of the box body (11) in a sliding mode.

8. The vertical combustion experimental apparatus as set forth in any one of claims 1 to 7, wherein: be provided with slide rail set spare (5) in box (11), slide rail set spare (5) include two at least sliding (51), sliding (51) including slide rail (511) that are the level setting and slide slider (512) of connecting in slide rail (511), at least one slide rail (511) of sliding (51) are on a parallel with the opening direction of box (11), other slide rail (511) fixed connection of sliding (51) is in a parallel with slide rail (511) of box (11) opening direction, spray gun subassembly (2) fixed connection is in slider (512) on the slide rail (511) of perpendicular to box (11) opening direction, slider (512) are provided with fastener (52) that are used for making its locking that slides.

9. The vertical combustion experimental apparatus of claim 8, characterized in that: the fastener (52) is a screw rod, the fastener (52) penetrates through and is in threaded connection with the sliding block (512), and the fastener (52) abuts against the sliding rail (511) connected with the sliding block (512) in a sliding manner; or the fastening piece (52) is an elastic shifting sheet, the fastening piece (52) is fixedly connected to the sliding block (512), and the movable end of the fastening piece (52) abuts against the sliding rail (511) connected with the sliding block (512) in a sliding manner.