CN212808133U

CN212808133U - A unilateral burning fire resistance test device for small-size component

Info

Publication number: CN212808133U
Application number: CN202021503352.6U
Authority: CN
Inventors: 朱防振; 高健; 于朋举; 王成龙; 刘靖芷
Original assignee: Guoxiao Tianjin Testing Technology Co ltd
Current assignee: Guoxiao Tianjin Testing Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-03-26
Anticipated expiration: 2030-07-27

Abstract

The utility model relates to a unilateral combustion fire-resistant test device for small-size components, an upper top frame, an upper steel plate, a top chimney and a top fire-resistant layer form a top module; the middle steel skeleton frame, the middle steel plate, the middle chimney and the middle fireproof layer form a middle module; the bottom steel skeleton frame, the bottom steel plate and the bottom refractory bricks form a bottom module; the combustion module includes combustion assembly, air conduit, gas pipeline, air-blower, gas bottle, and combustion assembly links to each other with air conduit, gas pipeline respectively, and air-blower and air conduit fixed connection, gas bottle set up in the one end of gas pipeline, and beneficial effects are: the small structure is retrencied, reduces construction cost, and the setting up of middle part refractory wall makes the heat dissipation reduce, increases furnace body structural strength, and furnace body life increases, and experimental area of being fired accounts for the increase, and the frame of supporting with it is small and exquisite light more, and the hand work volume when practicing thrift the experiment effectively reduces the energy resource consumption, and the modular construction mode, save time and space are favorable to debugging and maintenance.

Description

A unilateral burning fire resistance test device for small-size component

Technical Field

The utility model relates to a building element fire resistance capability experimental apparatus, in particular to unilateral burning fire resistance test device for small-size component.

Background

The fire resistance test of the building structure is an important means for researching the response of the building structure and the building component to fire at present, is an important link for verifying related theories, and is the most direct and effective way for detecting related products. The existing building structure fire resistance test device adopts a large building structure fire resistance test device, a test furnace with a large-size opening is used, and a multi-side and multi-burner mode is adopted for testing, so that energy waste is caused by large heating area, the temperature is not easy to regulate and control, and temperature fluctuation is easy to occur; particularly, when small-size components such as glass and glass windows with the width less than or equal to 1m and the height less than or equal to 1.5m are detected, a test furnace with a large-size opening is still used for testing, the opening is installed and detected in a mode of plugging the opening by refractory bricks and fireproof cotton, most of the fire is a test frame, the occupied area ratio of the test piece is small, energy is greatly wasted, and the difference between the small-size test piece and the opening is large, so a large amount of manpower and a large amount of refractory materials are needed in the installation process; multiple sides and multiple burners need to be matched for use, and the control system of the burners is complex in program and not beneficial to debugging and maintenance.

Disclosure of Invention

The problem that exists to prior art, the utility model provides a unilateral burning fire resistance test device for small-size component for the fire resistance test device of building accessory is retrencied more, and the debugging and the maintenance of being convenient for reduce manual work and material cost, save time and space, reduce energy consumption and pollution.

The technical scheme of the utility model is that: including steel skeleton frame, steel sheet, chimney, flame retardant coating and combustion module, the chimney includes top chimney and middle part chimney, the flame retardant coating includes top flame retardant coating, middle part flame retardant coating and the resistant firebrick of bottom, its characterized in that: the middle fire-resistant layer comprises a middle fire-resistant block and a middle fire-resistant wall, and the middle fire-resistant wall is piled on the inner side of the middle fire-resistant block; the steel skeleton framework is arranged into an upper top framework, a middle steel skeleton framework and a bottom steel skeleton framework which are independent from each other by taking the top flame-retardant coating and the middle flame-retardant coating as boundaries; correspondingly, the steel plate is arranged into three independent parts, namely an upper steel plate, a middle steel plate and a bottom steel plate;

the upper top frame, the upper steel plate, the top chimney and the top fire-resistant layer form a top module; the middle steel skeleton frame, the middle steel plate, the middle chimney and the middle fireproof layer form a middle module; the bottom steel skeleton frame, the bottom steel plate and the bottom refractory bricks form a bottom module;

connecting flanges are arranged on the outer sides of the lower ends of each side of the upper steel plate, the outer sides of the two ends of each side of the middle steel plate and the outer sides of the upper ends of each side of the bottom steel plate, and the top module, the middle module and the bottom module are arranged into a whole in a screw connection mode through the connecting flanges;

the combustion module comprises a combustion assembly, an air pipeline, a gas pipeline, a blower and a gas bottle, wherein the combustion assembly is respectively connected with the air pipeline and the gas pipeline;

the combustion module is provided with a set of combustion modules arranged on the side surface of the middle module, and the combustion assembly of the combustion module is arranged in the mounting hole opposite to the middle fire-resistant wall.

The utility model has the advantages that: the small structure is retrencied, be favorable to building and transportation, reduce construction cost, the setting up of middle part refractory wall makes the heat dissipation reduce, can increase furnace body structural strength simultaneously, make furnace body life increase, experimental area of being fired accounts for the increase, the frame supporting with it is small and exquisite light more, the artifical work load when practicing thrift the experiment, simultaneously the furnace body is small, the heating is small, the unilateral nozzle can satisfy the heating demand, effectively reduce energy consumption, modular construction mode, save time and space, be favorable to debugging and maintenance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front cross-sectional view of FIG. 1;

FIG. 3 is an exploded view of FIG. 2;

fig. 4 is a rear view of the present invention;

fig. 5 is a schematic view of a connection flange connection.

Detailed Description

As shown in figures 1, 2 and 3, the single-side combustion fire resistance test device for the small-size component comprises a steel skeleton frame 1, a steel plate 2, a chimney 3, a fire-resistant layer 4 and combustion modules 0-4, wherein the chimney 3 comprises a top chimney 3-1 and a middle chimney 3-2, the fire-resistant layer comprises a top fire-resistant layer 4-1, a middle fire-resistant layer 4-2 and bottom refractory bricks 4-3, and the single-side combustion fire resistance test device is characterized in that: the middle fire-resistant layer 4-2 comprises a middle fire-resistant block 4-2-1 and a middle fire-resistant wall 4-2-2, and the middle fire-resistant wall 4-2-2 is piled on the inner side of the middle fire-resistant block 4-2-1; the steel skeleton framework is arranged into three independent parts, namely an upper top framework 1-1, a middle steel skeleton framework 1-2 and a bottom steel skeleton framework 1-3, by taking a top refractory layer 4-1 and a middle refractory layer 4-2 as boundaries; correspondingly, the steel plate 2 is arranged into three independent parts, namely an upper steel plate 2-1, a middle steel plate 2-2 and a bottom steel plate 2-3;

as shown in fig. 3, a top module 0-1 is composed of an upper top frame 1-1, an upper steel plate 2-1, a top chimney 3-1 and a top refractory layer 4-1; the middle steel skeleton frame 1-2, the middle steel plate 2-2, the middle chimney 3-2 and the middle fire-resistant layer 4-2 form a middle module 0-2; the bottom steel skeleton frame 1-3, the bottom steel plate 2-3 and the bottom refractory bricks 4-3 form a bottom module 0-3;

as shown in fig. 1 and 5, the outer sides of the lower ends of each side of the upper steel plate 2-1, the outer sides of the two ends of each side of the middle steel plate 2-2, and the outer sides of the upper ends of each side of the bottom steel plate 2-3 are all provided with connecting flanges 10, and the top module 0-1, the middle module 0-2 and the bottom module 0-3 are arranged into a whole in a screw connection mode through the connecting flanges 10;

as shown in fig. 4, the combustion modules 0-4 comprise combustion assemblies 5-4, air pipelines 6-4, gas pipelines 7-4, blowers 8-4 and gas bottles 9-4, the combustion assemblies 5-4 are respectively connected with the air pipelines 6-4 and the air pipelines 6-4, the blowers 8-4 are fixedly connected with the air pipelines 6-4, and the gas bottles 9-4 are arranged at one ends of the gas pipelines 7-4;

as shown in fig. 4, only one set of combustion modules 0-4 is provided at the side of the middle module 0-2: the burner assemblies 5-4 of the burner modules 0-4 are arranged in the mounting holes 2-2-1 opposite the middle refractory wall 4-2-2.

When the device is used, as shown in figure 1, two sets of combustion assemblies 5-4 are arranged in combustion modules 0-4, a detection sample with the width of 1m and the height of 1.5m is installed on an experiment frame 12, the experiment frame 12 is buckled at a furnace mouth and fixed well (if heat insulation requirements exist, a thermocouple needs to be pasted on the back fire surface of the sample), an air blower 8-4 and a gas bottle 9-4 are opened, air enters an air pipeline 6-4 through the air blower 8-4 and enters an air-fuel ratio adjusting valve 5-4-1 of the combustion assembly 5-4 together with gas in a gas pipeline 7-4, the ratio of the air and the gas of the combustion assembly 5-4 is adjusted through the air-fuel ratio adjusting valve 5-4-1, an ignition switch of the combustion assembly 5-4 is pressed down, a burner is opened, mixed gas enters a furnace cavity and starts to burn, the opening of the, and (3) enabling the temperature in the test furnace to rise along with the temperature rise curve, and recording the time of losing the fire resistance according to a judgment criterion.

Claims

1. A unilateral combustion fire resistance test device for small-size components, including steel skeleton frame (1), steel sheet (2), chimney (3), flame retardant coating (4) and combustion module (0-4), chimney (3) include top chimney (3-1) and middle part chimney (3-2), the flame retardant coating includes top flame retardant coating (4-1), middle part flame retardant coating (4-2) and resistant firebrick (4-3) in bottom, its characterized in that: the middle fire-resistant layer (4-2) comprises a middle fire-resistant block (4-2-1) and a middle fire-resistant wall (4-2-2), and the middle fire-resistant wall (4-2-2) is piled on the inner side of the middle fire-resistant block (4-2-1); the steel skeleton framework (1) is arranged into three independent parts, namely an upper top framework (1-1), a middle steel skeleton framework (1-2) and a bottom steel skeleton framework (1-3), by taking the top refractory layer (4-1) and the middle refractory layer (4-2) as boundaries; correspondingly, the steel plate (2) is arranged into three independent parts, namely an upper steel plate (2-1), a middle steel plate (2-2) and a bottom steel plate (2-3);

the top module (0-1) consists of the upper top frame (1-1), the upper steel plate (2-1), the top chimney (3-1) and the top refractory layer (4-1); the middle steel skeleton framework (1-2), the middle steel plate (2-2), the middle chimney (3-2) and the middle fire-resistant layer (4-2) form a middle module (0-2); the bottom steel skeleton framework (1-3), the bottom steel plate (2-3) and the bottom refractory bricks (4-3) form a bottom module (0-3);

connecting flanges (10) are respectively arranged on the outer sides of the lower ends of each side of the upper steel plate (2-1), the outer sides of the two ends of each side of the middle steel plate (2-2) and the outer sides of the upper ends of each side of the bottom steel plate (2-3), and the top module (0-1), the middle module (0-2) and the bottom module (0-3) are arranged into a whole in a screw connection mode through the connecting flanges (10);

the combustion module (0-4) comprises a combustion assembly (5-4), an air pipeline (6-4), a gas pipeline (7-4), an air blower (8-4) and a gas bottle (9-4), the combustion assembly (5-4) is respectively connected with the air pipeline (6-4) and the gas pipeline (7-4), the air blower (8-4) is fixedly connected with the air pipeline (6-4), and the gas bottle (9-4) is arranged at one end of the gas pipeline (7-4);

the combustion modules (0-4) are provided with one set and arranged on the side surface of the middle module (0-2): the combustion assembly (5-4) of the combustion module (0-4) is arranged in the mounting hole (2-2-1) opposite to the middle fire-resistant wall (4-2-2).