CN219539297U

CN219539297U - Fire extinguishing mechanism for building energy-saving material combustibility test

Info

Publication number: CN219539297U
Application number: CN202320400907.1U
Authority: CN
Inventors: 赵天; 李星华; 李光宇; 霍向阳; 张卫; 寇祎凡; 宋思儒; 曹忠义; 韩雨辰; 张小亮
Original assignee: Hebei Tianbo Construction Technology Co ltd
Current assignee: Hebei Tianbo Construction Technology Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-18
Anticipated expiration: 2033-03-07

Abstract

The utility model discloses a fire extinguishing mechanism for a building energy-saving material combustible test, which comprises a test box, wherein the front end surface of the test box is hinged with a box door through a hinge, and a slag collecting drawer is slidably arranged below the box door; according to the utility model, the electric push rods on two sides of the test box are started to extend, so that the electric push rods push the support plate to move downwards, the sealing circular arc at the bottom of the support plate is connected with the air supply nozzle in a coating manner, the sealing block welded on the sealing circular arc is inserted into the air supply nozzle, sealing of the air supply nozzle is realized, air supply to the test box is cut off, then the valve on the surface of the high-pressure nitrogen tank is opened, nitrogen is led into the two air supply pipes in a split-flow manner through the air supply pipes, and then is led into the corresponding air supply covers through the two air supply pipes, so that the nitrogen is blown to the grid plate through the air nozzles on the surface of the air supply covers, the nitrogen is filled in the test box, oxygen-containing air is driven to be discharged through the smoke dust cover, and blocking and fire extinguishment of building materials on the grid plate are realized.

Description

Fire extinguishing mechanism for building energy-saving material combustibility test

Technical Field

The utility model relates to the technical field of building material test equipment, in particular to a fire extinguishing mechanism for a building energy-saving material flammability test.

Background

With the development of the age, energy-saving materials are favored by more and more industries, and in particular in the building industry, in order to find a safer and suitable building energy-saving material, a flammability test is usually required for the building energy-saving material.

Through retrieving, the patent number discloses a flammability test device of a building energy-saving material of CN212622435U, and relates to the technical field of building material test equipment. The utility model comprises a timer, a test box, an alcohol lamp and a movable frame, wherein the upper part of the front surface of the test box is fixedly connected with a bulge, the front surface of the bulge is fixedly connected with the timer, the test box below the bulge is fixedly connected with a limiting frame, a material plate is inserted between the limiting frames, the test box below the limiting frame is connected with the movable frame in a sliding manner, the alcohol lamp is arranged at the top of the movable frame, and the bottom of the test box is fixedly connected with a base. According to the utility model, the alcohol lamp is driven to move by pushing the movable frame, so that the material plates to be tested can be burned in sequence, the burning test can be continuously performed, the test efficiency is effectively improved, the timer can time the burning process of the material plates, and convenience is brought to test staff to record and analyze different material plates, so that the practicability of the flammability test device is higher.

In the scheme, the emergency fire extinguishing is realized by arranging three fire extinguishers in the test box, but the test equipment is required to be started for internal fire treatment by adopting the fire extinguishers, so that the building energy-saving material burnt in the test equipment causes larger fire situation due to air entering, and the high-efficiency emergency fire extinguishing treatment is not facilitated.

Therefore, the fire extinguishing mechanism for the building energy-saving material combustibility test has the advantage of sealing fire extinguishment, and further solves the problems in the background technology.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a fire extinguishing mechanism for a building energy-saving material flammability test.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a fire extinguishing mechanism for building energy-saving material combustible test, includes the test box, the front end surface of test box articulates through the hinge has the chamber door, and the below slidable mounting of chamber door has a collection sediment drawer, the inside welding of test box has the baffle, and the top surface of baffle has the grid plate through the pillar welding, the opening has been seted up to the surface of baffle, and the opening below movable mounting of baffle has the combustor, the lower part surface of test box is fixed with high-pressure nitrogen gas jar through the base is installed to the lower part surface, and installs the valve on the end mouth at high-pressure nitrogen gas jar top to the end mouth of high-pressure nitrogen gas jar has the air supply pipe through flange joint, the one end of air supply pipe has two air supply pipes through tee bend connection, and the one end of two air supply pipes all runs through the test box intercommunication has the air supply cover, the surface welding of air supply cover has the air cock, and the air supply cover is in grid plate top one side, the both sides of test box all welds the air supply mouth, and the top fastening of air supply mouth installs the electricity push rod, the bottom fixedly connected with extension board of electricity push rod, and the bottom welding of extension board has the sealing block, sealing block is equipped with the top surface welding of sealing block to the inner side of the smoke and dust of sealing block.

As a further description of the above technical solution: the utility model discloses a test box, including the test box, the inboard lower part of test box is welded and is had the slide bar, and the surface of slide bar has cup jointed the sliding sleeve, sliding sleeve one side surface welding has the hand lever, and the one end of hand lever extends to the test box outside, the guide way of strip structure has been seted up to the test box surface corresponding the hand lever, sliding sleeve opposite side surface welds mutually with the shell of combustor.

As a further description of the above technical solution: the air supply pipe and the air supply cover are arranged in two groups, the two groups of air supply pipe and the air supply cover are symmetrical about the vertical central line of the test box, the air supply cover is obliquely arranged inside the test box, and a plurality of air nozzles are welded on the surface of the air supply cover.

As a further description of the above technical solution: the lower surface of the test box is welded with a base corresponding to the high-pressure nitrogen tank, and the top surface of the base is provided with an installation slot.

As a further description of the above technical solution: the electric push rods and the air supply nozzles are arranged in two groups, the two groups of electric push rods and the air supply nozzles are symmetrical about the vertical central line of the test box, the air supply nozzles are arranged in a plurality, and the air supply nozzles are welded on the side wall of the test box side by side.

As a further description of the above technical solution: the bottom of the support plate is provided with a plurality of groups of sealing arcs and sealing blocks, and the sealing arcs of the support plate are attached to the outer wall of the air supply nozzle.

As a further description of the above technical solution: the outer wall surface of the test box is fixedly provided with a control panel, and the output end of the control panel is respectively and electrically connected with the electric push rod and the burner.

The utility model has the following beneficial effects:

according to the utility model, the electric push rods on two sides of the test box are started to extend, so that the electric push rods push the support plate to move downwards, and then the sealing circular arc at the bottom of the support plate is connected with the air supply nozzle in a coating manner, so that the sealing block welded on the sealing circular arc is inserted into the air supply nozzle to realize sealing of the air supply nozzle so as to cut off the supply of air to the test box, then the valve on the surface of the high-pressure nitrogen tank is opened, so that nitrogen is led into two air supply pipes in a split-flow manner by the air supply pipe, and then is led into the air supply cover correspondingly arranged by the two air supply pipes, so that the nitrogen is blown to the grid plate through the air tap on the surface of the air supply cover, so that the nitrogen is filled in the test box, and oxygen-containing air is expelled by the smoke cover, thereby realizing blocking and extinguishing of building materials on the grid plate.

According to the utility model, the movable ignition mechanism is formed by arranging the guide groove, the hand lever, the partition plate, the grid plate, the burner, the sliding sleeve and the sliding rod, the flame of the burner is promoted to pass through the opening of the partition plate to perform ignition treatment on the building energy-saving material on the grid plate by starting the burner for detecting the flammability performance of the building energy-saving material, when the ignition is finished, the burner is closed, then the hand lever is pulled to transversely move along the guide groove, the hand lever is promoted to drive the burner to horizontally move along the sliding rod under the action of the sliding sleeve, so that the burner is separated from the opening of the partition plate, the residues burnt by the building energy-saving material fall into the slag collecting drawer through the opening of the partition plate, and the ignition, the burner transfer and the residue collection are integrated, thereby improving the efficiency of the building energy-saving material flammability test.

Drawings

FIG. 1 is a schematic view of the external structure of a fire extinguishing mechanism for a flammability test of a building energy-saving material according to the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the fire extinguishing mechanism for the building energy-saving material combustibility test of the present utility model;

FIG. 3 is a side view of the fire extinguishing mechanism for the building energy saving material flammability test of the present utility model;

fig. 4 is a schematic diagram of a support plate of the fire extinguishing mechanism for the building energy-saving material flammability test.

Legend description:

1. a test chamber; 2. a control panel; 3. a blast nozzle; 4. an electric push rod; 5. an air supply pipe; 6. a smoke cover; 7. a door; 8. a guide groove; 9. a hand lever; 10. a slag collecting drawer; 11. a partition plate; 12. a grid plate; 13. a burner; 14. a sliding sleeve; 15. a slide bar; 16. a sealing block; 17. an air supply cover; 18. a high pressure nitrogen tank; 19. a valve; 20. an air supply pipe; 21. sealing the arc; 22. and (5) supporting plates.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

According to an embodiment of the utility model, a fire extinguishing mechanism for a combustible test of a building energy-saving material is provided.

The utility model will be further described with reference to the drawings and the specific embodiments, as shown in fig. 1-4, the fire extinguishing mechanism for the combustible test of the building energy-saving material according to the embodiment of the utility model comprises a test box 1, wherein the front end surface of the test box 1 is hinged with a box door 7 through a hinge, a slag collecting drawer 10 is slidingly arranged below the box door 7, a baffle 11 is welded inside the test box 1, the top surface of the baffle 11 is welded with a grid plate 12 through a pillar, the surface of the baffle 11 is provided with an opening, a burner 13 is movably arranged below the opening of the baffle 11, the lower surface of the test box 1 is fixedly provided with a high-pressure nitrogen tank 18 through a base in an inserting way, a valve 19 is arranged on the end mouth at the top of the high-pressure nitrogen tank 18, the end mouth of the high-pressure nitrogen tank 18 is connected with an air supply pipe 20 through a flange, one end of the air supply pipe 20 is connected with two air supply pipes 5 through a tee joint, and one ends of the two air supply pipes 5 are communicated with an air supply cover 17 through the test box 1, air nozzles are welded on the surface of the air supply cover 17, the air supply cover 17 is positioned on one side above the grid plate 12, air supply nozzles 3 are welded on two sides of the test box 1, an electric push rod 4 is fixedly arranged above the air supply nozzles 3, a support plate 22 is fixedly connected to the bottom of the electric push rod 4, a sealing circular arc 21 is welded on the bottom surface of the support plate 22, a sealing block 16 is welded on the bottom of the sealing circular arc 21, the sealing block 16 extends to the inner side of the air supply nozzles 3, a smoke cover 6 is arranged on the top surface of the test box 1, the electric push rod 4 is driven to push the support plate 22 to move downwards by starting the electric push rods 4 on two sides of the test box 1, the sealing circular arc 21 at the bottom of the support plate 22 is connected with the air supply nozzles 3 in a coating manner, the sealing block 16 welded on the sealing circular arc 21 is inserted into the air supply nozzles 3 to realize sealing of the air supply nozzles 3 so as to cut off air supply to the test box 1, then, a valve 19 on the surface of a high-pressure nitrogen tank 18 is opened, so that nitrogen is led into the two air supply pipes 5 in a split manner by an air supply pipe 20, and then is led into the corresponding air supply cover 17 by the two air supply pipes 5, so that the nitrogen is blown to the grid plate 12 through an air tap on the surface of the air supply cover 17, the nitrogen is filled in the test box 1, oxygen-containing air is driven to be discharged by the smoke cover 6, the blocking and fire extinguishing of building materials on the grid plate 12 are realized, the test box 1 is not required to be opened manually, and fire extinguishing is carried out near a fire source, wherein the smoke cover 6 can absorb waste gas generated by combustion and air in the nitrogen filling process is discharged;

in one embodiment, a sliding rod 15 is welded at the lower part of the inner side of the test box 1, a sliding sleeve 14 is sleeved on the surface of the sliding rod 15, a hand rod 9 is welded on the surface of one side of the sliding sleeve 14, one end of the hand rod 9 extends to the outer side of the test box 1, a guide groove 8 with a strip-shaped structure is formed in the outer surface of the test box 1 corresponding to the hand rod 9, the surface of the other side of the sliding sleeve 14 is welded with the shell of the burner 13, the combustion of the burner 13 is started, flame of the burner 13 is caused to penetrate through the opening of the partition 11 to ignite building energy-saving materials on the grid plate 12 so as to detect the combustibility of the building energy-saving materials, when the ignition is finished, the burner 13 is closed, then the hand rod 9 is pulled to transversely move along the guide groove 8, and the hand rod 9 is caused to drive the burner 13 to horizontally move along the sliding rod 15 under the action of the sliding sleeve 14, so that the burner 13 is separated from the opening of the partition 11, and residues generated by the combustion of the building energy-saving materials fall into the slag collecting drawer 10 through the opening of the partition 11.

In one embodiment, two groups of air supply pipes 5 and air supply covers 17 are arranged, the two groups of air supply pipes 5 and air supply covers 17 are symmetrical about the vertical central line of the test chamber 1, the air supply covers 17 are obliquely arranged inside the test chamber 1, a plurality of air nozzles are welded on the surface of the air supply covers 17, and nitrogen can be conveyed to the area where the grid plates 12 are arranged through the obliquely arranged air supply covers 17 so as to block oxygen, so that fire extinguishing is realized.

In one embodiment, the lower surface of the test box 1 is welded with a base corresponding to the high-pressure nitrogen tank 18, and the top surface of the base is provided with an installation slot, so that the high-pressure nitrogen tank 18 is conveniently inserted and fixed through the base, and the high-pressure nitrogen tank 18 is conveniently detached and replaced.

In one embodiment, two groups of electric push rods 4 and air supply nozzles 3 are arranged, the two groups of electric push rods 4 and the air supply nozzles 3 are symmetrical about the vertical central line of the test box 1, the air supply nozzles 3 are arranged in a plurality, the air supply nozzles 3 are welded on the side wall of the test box 1 side by side, oxygen can be supplied to the interior of the test box 1 through the air supply nozzles 3, and the combustible test of building materials is facilitated.

In one embodiment, a plurality of groups of sealing circular arcs 21 and sealing blocks 16 are arranged at the bottom of the support plate 22, the sealing circular arcs 21 of the support plate 22 are attached to the outer wall of the air supply nozzle 3, wherein the lower part of the sealing blocks 16 is in a circular arc structure so as to be connected with sockets and inner wall contours correspondingly formed on the surface of the air supply nozzle 3.

In one embodiment, the outer wall surface of the test chamber 1 is fixedly provided with the control panel 2, and the output end of the control panel 2 is respectively electrically connected with the electric push rod 4 and the burner 13, the control circuit of the control panel 2 can be realized through simple programming by a person skilled in the art, and the control panel is only used and is not modified, so that the control mode and circuit connection are not described in detail, wherein the control panel 2 is connected with an external power supply through a wire, and the power supply is convenient.

Working principle:

when the fire extinguishing device is used, firstly, the hinged box door 7 on the front end surface of the test box 1 is opened, the building energy-saving material is placed on the grid plate 12, when the combustibility test is carried out, the combustion of the combustor 13 is started, flame of the combustor 13 is promoted to penetrate through the opening of the partition plate 11 to carry out ignition treatment on the building energy-saving material on the grid plate 12, so that the combustibility of the building energy-saving material is detected, when the ignition is finished, the combustor 13 is closed, then the hand lever 9 is pulled to transversely move along the guide groove 8, the combustor 13 is promoted to be driven by the hand lever 9 to horizontally move along the slide rod 15 under the action of the sliding sleeve 14, the combustor 13 is led to be separated from the opening of the partition plate 11, so that residues burnt by the building energy-saving material fall into the interior of the slag collecting drawer 10 through the opening of the partition plate 11, the electric push rods 4 on two sides of the test box 1 are started, the support plate 22 is promoted to downwards move by the electric push rods 4, and then the sealing arc 21 at the bottom of the support plate 22 is connected with the air supply nozzle 3 in a wrapping mode, so that the sealing block 16 welded on the sealing arc 21 is inserted into the air supply nozzle 3, the interior of the air supply nozzle 3 is realized, the sealing of the air nozzle 3 is cut off, then the air supply of the air box 1 is cut off, the air supply valve 18 is promoted to horizontally move along the slide rod 15 under the action of the slide sleeve 14, the nitrogen is driven by the air supply pipe 17, the nitrogen gas is driven by the air supply pipe 17, the air supply pipe 17 is required to be opened, and the nitrogen is blown into the interior the fire extinguishing box 1, and the fire extinguishing test box is blown out from the interior by the air supply pipe 17, and the fire-extinguishing test box 17.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Fire extinguishing mechanism for building energy-saving material combustibility test, including test box (1), its characterized in that: the front end surface of the test box (1) is hinged with a box door (7) through a hinge, a slag collecting drawer (10) is slidably arranged below the box door (7), a partition plate (11) is welded inside the test box (1), a grid plate (12) is welded on the top surface of the partition plate (11) through a support column, an opening is formed in the surface of the partition plate (11), a burner (13) is movably arranged below the opening of the partition plate (11), a high-pressure nitrogen tank (18) is fixedly arranged on the lower surface of the test box (1) through a base in an inserting manner, a valve (19) is arranged on the end mouth at the top of the high-pressure nitrogen tank (18), air supply pipes (20) are connected with end mouths of the high-pressure nitrogen tank (18) through flanges, one ends of the air supply pipes (20) are connected with two air supply pipes (5) through three-way joints, one ends of the two air supply pipes (5) are all communicated with a cover (17), the surface of the air supply cover (17) is welded with an air cock, the cover (17) is positioned above the grid plate (12), the air supply mouths (12) are fixedly arranged on one side of the air supply pipe (1), the air supply mouths (4) are fixedly arranged on the two sides of the air supply pipe (4) through the air supply pipe (22), the air supply pipe (4) are fixedly arranged on the bottom surface of the air supply pipe (4) and the air supply valve (4), the bottom of the sealing arc (21) is welded with a sealing block (16), the sealing block (16) extends to the inner side of the air supply nozzle (3), and the top surface of the test box (1) is provided with a smoke hood (6).

2. The fire extinguishing mechanism for a building energy saving material combustibility test according to claim 1, wherein: the utility model discloses a test box, including test box (1), slide bar (15) have been welded to inboard lower part of test box (1), and slide bar (15) have been cup jointed on the surface of slide bar (15), slide bar (14) one side surface welding has hand lever (9), and the one end of hand lever (9) extends to test box (1) outside, guide slot (8) of strip structure have been seted up to test box (1) surface corresponding hand lever (9), slide bar (14) opposite side surface welds with the shell of combustor (13) mutually.

3. The fire extinguishing mechanism for a building energy saving material combustibility test according to claim 1, wherein: the air supply pipe (5) and the air supply cover (17) are arranged in two groups, the two groups of air supply pipes (5) and the air supply cover (17) are symmetrical about the vertical central line of the test box (1), the air supply cover (17) is obliquely arranged inside the test box (1), and a plurality of air nozzles are welded on the surface of the air supply cover (17).

4. The fire extinguishing mechanism for a building energy saving material combustibility test according to claim 1, wherein: the lower surface of the test box (1) is welded with a base corresponding to the high-pressure nitrogen tank (18), and the top surface of the base is provided with an installation slot.

5. The fire extinguishing mechanism for a building energy saving material combustibility test according to claim 1, wherein: the electric push rods (4) and the air supply nozzles (3) are arranged in two groups, the two groups of electric push rods (4) and the air supply nozzles (3) are symmetrical about the vertical central line of the test box (1), the air supply nozzles (3) are arranged in a plurality, and the air supply nozzles (3) are welded on the side wall of the test box (1) side by side.

6. The fire extinguishing mechanism for a building energy saving material combustibility test according to claim 1, wherein: the bottom of the support plate (22) is provided with a plurality of groups of sealing circular arcs (21) and sealing blocks (16), and the sealing circular arcs (21) of the support plate (22) are attached to the outer wall of the air supply nozzle (3).

7. The fire extinguishing mechanism for a building energy saving material combustibility test according to claim 1, wherein: the outer wall surface of the test box (1) is fixedly provided with a control panel (2), and the output end of the control panel (2) is electrically connected with the electric push rod (4) and the burner (13) respectively.