CN1896714A - Assembled refractory experimental furnace of building construction member - Google Patents

Assembled refractory experimental furnace of building construction member Download PDF

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Publication number
CN1896714A
CN1896714A CN 200610034771 CN200610034771A CN1896714A CN 1896714 A CN1896714 A CN 1896714A CN 200610034771 CN200610034771 CN 200610034771 CN 200610034771 A CN200610034771 A CN 200610034771A CN 1896714 A CN1896714 A CN 1896714A
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China
Prior art keywords
heater
furnace
smokejack
building construction
burner
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CN 200610034771
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CN100485358C (en
Inventor
曾令可
吴波
李汝湘
王帆
罗民华
李萍
张正先
王慧
程小苏
刘平安
方海鑫
税安泽
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South China University of Technology SCUT
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South China University of Technology SCUT
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Priority to CNB2006100347718A priority Critical patent/CN100485358C/en
Publication of CN1896714A publication Critical patent/CN1896714A/en
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Publication of CN100485358C publication Critical patent/CN100485358C/en
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Abstract

The invention provides a combined refractory trial furnace which includes the movable furnace body, the fixed furnace, the fuel channel, the air channel, the discharge flue, the burning mouth. The burning mouth is set in the side wall of the both furnace body which are all connected with the fuel channel, the air channel connected by the soft pipe. The discharge flue is set in the bottom of the fixed furnace body. The two body forms the square body with bottom open. The fuel channel of the fixed body is connected to the external fuel channel; the air channel is connected with the combustion fan. The fuel channel and the air channel in front of the burning mouth are installed with the governor valve of the air/fuel ratio and the governor of the airflow rate respectively which they are connected with each other. The side wall of the both furnace body are installed with the thermometric thermocouple. The manometric transducer is installed in the side wall of the fixed furnace body. The discharge flue is connected with the discharge fan, the burning mouth, the airflow rate governor valve, the thermometric thermocouple, the manometric transducer; the combustion fan and the discharge fan are all connected to the external control system.

Description

Assembled refractory experimental furnace of building construction member
Technical field
The present invention relates to building element fire testing apparatus field, specifically be meant assembled refractory experimental furnace of building construction member.
Background technology
The house that people lived and handled official business all is to be made of building elements such as beam, plate, wall, post, door, windows.These building elements are skeletons of a buildings, and the quality of their performances has determined various aspects of performance such as this Antiseismic building, windproof, fire prevention.The building element fire testing mainly is fire temperature evolution and component inside temperature field in the research department, thereby provides scientific basis for the lesion assessment and the repairing and reinforcement of structure behind anti-fire design of building element and the fire.
At present, use the building element fire test furnace to carry out the building element fire testing usually.In general, the building element fire test furnace has three kinds of type of furnaces: (1) horizontal stove is used for the fire testing of horizontal constructions members such as beam, plate, furred ceiling; (2) wall stove is used for the fire testing of building elements such as wall, fire-proof door, window; (3) post stove is used for the fire testing of building elements such as post.Because building elements such as beam, plate, wall, door, window, post all have nothing in common with each other to the requirement of trial furnace, same trial furnace is difficult to satisfy simultaneously the requirement of various building elements, so a trial furnace generally can only carry out fire testing to a kind of building element, multiple like this member just need be built the trial furnace of various ways, not only will take a large amount of test sites, and investment is big, utilization factor is low.
China utility model patent CN2070443U discloses a kind of " superposed type multifunctional component fire test furnace ", its firing chamber is that the rectangular configuration that forms is docked in two sections isometric dustpan-shaped fixedly split and activity splits in the horizontal direction, two splits are hinged by a rotating mechanism, mobile's actuation mechanism that can rotate is rotated 180 °, the firing chamber inwall is a fire resistive material, both sides are furnished with bocca, lateral wall is that sheet steel and steel frame strengthen, lateral wall is provided with burner, stokehold pipeline, is furnished with smokejack in the both sides, bottom of fixed body.This trial furnace can carry out the fire testing of building elements such as beam, plate, wall, door, window, post.But shortcoming is:
(1) only there is the two side to arrange bocca, is unfavorable for that temperature is even in the stove.
(2) only in the both sides, bottom of fixed body smokejack is set, it is even to be unfavorable for that the stove internal gas pressure evenly reaches temperature.
(3) when carrying out the test of post, owing to wall is all obturaged, so can't measure the amount of deflection and the distortion of post span centre.
(4) trial furnace does not adopt automatic control equipment, and the control accuracy to temperature in the stove and pressure is not high like this.
Summary of the invention
The objective of the invention is to overcome the shortcoming and the weak point of above-mentioned prior art, provide operation simple and easy, convenient, control accuracy height, means of testing are abundant, can satisfy the vertically assembled refractory experimental furnace of building construction member that requires of the fire testing of class building element such as wall, door, window, post simultaneously.
Purpose of the present invention realizes by following proposal: this assembled refractory experimental furnace of building construction member, comprise movable body of heater, fixing body of heater, fuel channel, air duct, smokejack, burner, burner is located at two sidewall of the furnace body, the fuel channel that two bodies of heater connect separately, air duct docks respectively by flexible pipe, smokejack is located at fixedly body of heater lower inside, described two body of heater levels are to being connected into the lower open mouth square body, fixedly the fuel channel of body of heater is connected with the external fuel pipeline, its air duct is connected with combustion fan, fuel channel before the burner, air duct is respectively equipped with the air/fuel ratio variable valve, air flow rate adjustment valve, and the air/fuel ratio variable valve is connected with air duct behind the air flow rate adjustment valve, two sidewall of the furnace body are provided with temperature thermocouple, the stationary furnace body sidewall is provided with pressure transducer, smokejack is connected with smoke exhaust fan, described burner, air flow rate adjustment valve, temperature thermocouple, pressure transducer, combustion fan, smoke exhaust fan is connected with control system respectively.
Signal wire and electric line that burner on the described movable body of heater, air flow rate adjustment valve, temperature thermocouple connect are connected with control system by plug-socket.
Described control system is industrial control computer or programming controller, it also is connected with input-output device, comprise display, keyboard, mouse, printer, monitor described temperature thermocouple, pressure transducer, air flow rate adjustment valve, air/fuel ratio variable valve, combustion fan, smoke exhaust fan by control system, can make temperature and pressure in the stove precisely controlled according to the regulation of " building element fire testing method " GB/T9978-1999 fully.
The preceding narrow wall of described movable body of heater is provided with 6 burners, and the left side of wide wall is provided with 6 burners; All be provided with 6 burners on two narrow walls of described fixedly body of heater, the left side of wide wall is provided with 6 burners.Arrange burner like this, the more uniform temperature in the time of can making test in the stove.
Described movable body of heater lower inside also is provided with smokejack, and is communicated with the fixing smokejack of body of heater lower inside, and fixedly the smokejack of body of heater lower inside is connected with smoke exhaust fan, is provided with removable flue shutter between the smokejack of two bodies of heater.
The sidewall middle part that described movable body of heater docks with fixing body of heater is provided with square hole, in the position of square hole displacement meter can be installed, and can measure the amount of deflection and the distortion of pillar span centre with displacement meter.
Described movable body of heater is mainly made by the light-weight refractory ceramic fiber, to alleviate deadweight, is convenient to carrying.
The principle of work of this assembled refractory experimental furnace of building construction member is: when the building element of coupled columns subtype carries out fire testing, can with movable body of heater and fixedly body of heater be combined into a square body, pillar is put into the center, with 6 burners on the left of the wall of square body trial furnace is heated up, when heating up, just form like this and reflux, make more uniform temperature in the stove, simultaneously, the amount of deflection and the distortion of displacement instrumentation amount pillar span centre can be installed by the square hole that the body of heater waist is reserved; When the building element to wall, door, window type carries out fire testing, movable body of heater is removed, with the building element of underproof wall, door, window type and fixedly body of heater be combined into one and equal original half rectangular parallelepiped, 6 burners with the two sides sidewall of the furnace body adjacent with body of wall heat up to trial furnace, an one side to body of wall is subjected to fire to heat up situations such as the situation of being heated of body of wall and scaling loss distortion when having simulated breaking out of fire in the reality so at the trial.
The present invention compared with prior art, have the following advantages and beneficial effect: when saving resource, saving the space, the operation simple and convenient, the butt joint of two bodies of heater can be satisfied the requirement of vertical building element such as wall, post, door, window to trial furnace simultaneously, and by external control system the temperature and pressure in the stove is accurately controlled, made more uniform temperature in the stove; When the building element of coupled columns subtype carries out fire testing, can enrich the means of testing, improve measuring accuracy with the amount of deflection and the distortion of displacement meter by the square hole measurement pillar span centre of body of heater waist reservation.
Description of drawings
Fig. 1 is the structural representation of assembled refractory experimental furnace of building construction member of the present invention;
Fig. 2 is the A-A sectional view of assembled refractory experimental furnace of building construction member of the present invention;
Fig. 3 is the B-B sectional view of assembled refractory experimental furnace of building construction member of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
Shown in Fig. 1~3, this assembled refractory experimental furnace of building construction member, comprise fixedly body of heater 1, movable body of heater 2, fuel channel 3, air duct 4, smokejack 11, burner 5, burner 5 is located at two bodies of heater 1,2 sidewalls, fixing two of body of heater 1 narrow wall 1-1, respectively be provided with 6 burners on the 1-2, the left side of wide wall 1-3 is provided with 6 burners, the preceding narrow wall 2-1 of movable body of heater 2 is provided with 6 burners, the left side of wide wall 2-2 is provided with 6 burners, two bodies of heater 1,2 fuel channels 3 that connect separately, air duct 4 is respectively by the combustion gas stainless steel flexible hose, the butt joint of air rubber hose, two bodies of heater 1,2 levels are to being connected into the lower open mouth square body, fixedly body of heater 1, movable body of heater 2 lower inside all are provided with smokejack 10, and be interconnected, fixedly the smokejack 10 of body of heater 1 is connected with smoke exhaust fan 6, two bodies of heater 1, be provided with removable flue shutter 11 between 2 the smokejack 10, fixedly the fuel channel 3 of body of heater 1 is connected with the external fuel pipeline, its air duct 4 is connected with combustion fan 7, fuel channel 3 before the burner 5, air duct 4 is respectively equipped with the air/fuel ratio variable valve, air flow rate adjustment valve, and the air/fuel ratio variable valve is connected with air duct 4 behind the air flow rate adjustment valve, two bodies of heater 1,2 sidewalls are provided with temperature thermocouple 8, fixedly body of heater 1 sidewall is provided with pressure transducer 9, burner 5, smoke exhaust fan 6, combustion fan 7, temperature thermocouple 8, pressure transducer 9, air flow rate adjustment valve is connected with control system respectively, wherein, the burner 5 on the movable body of heater 2, temperature thermocouple 8, signal wire that air flow rate adjustment valve connects and electric line are connected with control system by plug-socket.
Requirement according to GB9978-88, the size of whole test stove firing chamber is: 2.5m (length) * 2.5m (wide) * 3.0m (height), wherein, fixedly body of heater 1 mainly is to be made by the thick lightweight thermal insulation brick of 10mm, the thick backing heat insulation of two-layer 50mm, the thick light-weight refractory ceramic fiber of two-layer 25mm and the thick mullite lightweight thermal insulation brick of 150mm; Movable body of heater 2 mainly is to be made by thick lightweight thermal insulation brick of 10mm and the thick light-weight refractory ceramic fiber of 300mm, to alleviate deadweight, is convenient to carrying.
Control system is industrial control computer or programming controller, it also is connected with input-output device, comprise display, keyboard, mouse, printer, monitor smoke exhaust fan 6, combustion fan 7, temperature thermocouple 8, pressure transducer 9, air flow rate adjustment valve, air/fuel ratio variable valve by control system, can make temperature and pressure in the stove precisely controlled according to the regulation of " building element fire testing method " GB/T9978-1999 fully.
Be provided with square hole 12 in the middle part of movable body of heater 2 and the sidewall that fixedly body of heater 1 dock,, can measure the amount of deflection and the distortion of pillar span centre with displacement meter at the position of square hole 12 installation displacement meter.
The course of work of this assembled refractory experimental furnace of building construction member is:
(1) when the building element of coupled columns subtype carries out fire testing, utilize crane and other handbarrow that movable body of heater 2 and fixing body of heater 1 are combined into a square body, pillar is put into the center, and gas pipeline 3, the air duct 4 usefulness flexible pipes of two bodies of heater are connected good seal, signal wire and the electric line that burner 5, temperature thermocouple 8, air flow rate adjustment valve are connected connects by plug-socket and control system simultaneously, open flue shutter 11, displacement meter is installed in square hole 12 places, links to each other with the deformation point of surveying on the pillar by resistant to elevated temperatures tinsel.Enable 6 burners 5 (i.e. fixing 6 burners 5 of the narrow wall 1-2 of body of heater 1 in body of heater wall left side simultaneously, 6 burners 5 in wide wall 1-3 left side, 6 burners 5 of the preceding narrow wall 2-1 of movable body of heater 2,6 burners 5 in the left side of wide wall 2-2, close fixedly 6 burners 5 of the narrow wall 1-1 of body of heater 1) trial furnace is heated up, when heating up, just form like this and reflux, make more uniform temperature in the stove, and the building element that utilizes the computer-controlled program of control system accurately to control these 24 burner coupled columns subtypes carries out fire testing; The amount of deflection and the distortion of displacement instrumentation amount pillar span centre can be installed by the square hole that the body of heater waist is reserved simultaneously.
(2) when to wall, door, when the building element of window type carries out fire testing, burner 5 on elder generation's disconnection activity body of heater 2, temperature thermocouple 8, the signal wire that air flow rate adjustment valve connects and the plug-socket of electric line, disconnect gas pipeline 3, the combustion gas stainless steel flexible hose of air duct 4, the air rubber hose connects, and good seal, utilize crane and other handbarrow that movable body of heater 2 is removed then, close flue shutter 11, will carry out the wall of fire testing, door, the building element of window type and fixedly body of heater be combined into one and equal original half rectangular parallelepiped, with 6 burners 5 of the two sides sidewall of the furnace body adjacent (i.e. fixing narrow wall 1-1 of body of heater 1 with body of wall, 6 burners 5 of 1-2, close 6 burners 5 in wide wall 1-3 left side) trial furnace is heated up, and utilize the computer-controlled program of control system accurately to control these 12 burners 5 and just can carry out fire testing to the building element of body of wall type.
As mentioned above, just can realize the present invention preferably.

Claims (5)

1, assembled refractory experimental furnace of building construction member, comprise movable body of heater, fixing body of heater, fuel channel, air duct, smokejack, burner, burner is located at two sidewall of the furnace body, the fuel channel that two bodies of heater connect separately, air duct docks respectively by flexible pipe, smokejack is located at fixedly body of heater lower inside, it is characterized in that: described two body of heater levels are to being connected into the lower open mouth square body, fixedly the fuel channel of body of heater is connected with the external fuel pipeline, its air duct is connected with combustion fan, fuel channel before the burner, air duct is respectively equipped with the air/fuel ratio variable valve, air flow rate adjustment valve, and the air/fuel ratio variable valve is connected with air duct behind the air flow rate adjustment valve, two sidewall of the furnace body are provided with temperature thermocouple, the stationary furnace body sidewall is provided with pressure transducer, smokejack is connected with smoke exhaust fan, described burner, air flow rate adjustment valve, temperature thermocouple, pressure transducer, combustion fan, smoke exhaust fan is connected with control system respectively.
2, by the described assembled refractory experimental furnace of building construction member of claim 1, it is characterized in that: signal wire and electric line that the burner on the described movable body of heater, air flow rate adjustment valve, temperature thermocouple connect are connected with control system by plug-socket.
3, by the described assembled refractory experimental furnace of building construction member of claim 1, it is characterized in that: the preceding narrow wall of described movable body of heater is provided with 6 burners, and the left side of wide wall is provided with 6 burners; All be provided with 6 burners on two narrow walls of described fixedly body of heater, the left side of wide wall is provided with 6 burners.
4, by the described assembled refractory experimental furnace of building construction member of claim 1, it is characterized in that: described movable body of heater lower inside also is provided with smokejack, and be communicated with the fixing smokejack of body of heater lower inside, fixedly the smokejack of body of heater lower inside is connected with smoke exhaust fan, is provided with removable flue shutter between the smokejack of two bodies of heater.
5, by the described assembled refractory experimental furnace of building construction member of claim 1, it is characterized in that: be provided with square hole in the middle part of described movable body of heater and the sidewall that fixedly body of heater docks, square hole is equipped with displacement meter.
CNB2006100347718A 2006-03-31 2006-03-31 Assembled refractory experimental furnace of building construction member Expired - Fee Related CN100485358C (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101893376A (en) * 2010-08-02 2010-11-24 山东省产品质量监督检验研究院 Device for testing vertical flammability of busway
CN103017526A (en) * 2012-12-04 2013-04-03 上海建科检验有限公司 Combustion vertical furnace for fire resistance test of building component
CN104266924A (en) * 2014-10-09 2015-01-07 公安部天津消防研究所 Fire resistance test device for vertical building partition component in water-spraying protection
CN105013123A (en) * 2015-08-05 2015-11-04 上海合评消防检测中心 Noise-abatement device for fire resistance test furnace
CN105135885A (en) * 2015-07-21 2015-12-09 广东摩德娜科技股份有限公司 Multifunctional combustion trial furnace
CN105910940A (en) * 2016-06-23 2016-08-31 华北水利水电大学 Shear wall fire exposure testing device under vertical load effect
CN106525474A (en) * 2016-11-01 2017-03-22 上海同济建设工程质量检测站 High-temperature test control method and system
CN106770903A (en) * 2017-01-06 2017-05-31 中国矿业大学 A kind of Combined frame structure Fire-resistance test system and test method
CN108917398A (en) * 2018-08-13 2018-11-30 东莞市大显自动化仪器设备有限公司 A kind of building materials and the vertical fire test furnace of component
CN110108546A (en) * 2019-05-21 2019-08-09 应急管理部天津消防研究所 A kind of more test face building element fire resistance test devices
CN111219988A (en) * 2020-01-21 2020-06-02 中国建筑科学研究院有限公司 Assembled fire-resistant experimental furnace and contain its fire-resistant experimental system
CN114136093A (en) * 2021-11-17 2022-03-04 国消(天津)检测技术有限公司 Multifunctional fire-resistant test furnace

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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CN101846453B (en) * 2010-05-13 2011-09-07 辽宁同辉科技发展有限公司 Furnace for testing limit of fire resistance of tunnel fire-proof protective material

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101893376B (en) * 2010-08-02 2012-04-18 山东省产品质量监督检验研究院 Device for testing vertical flammability of busway
CN101893376A (en) * 2010-08-02 2010-11-24 山东省产品质量监督检验研究院 Device for testing vertical flammability of busway
CN103017526A (en) * 2012-12-04 2013-04-03 上海建科检验有限公司 Combustion vertical furnace for fire resistance test of building component
CN103017526B (en) * 2012-12-04 2015-05-13 上海建科检验有限公司 Combustion vertical furnace for fire resistance test of building component
CN104266924B (en) * 2014-10-09 2017-07-04 公安部天津消防研究所 A kind of building vertical separation component fire resistance experimental rig sprayed water under protection
CN104266924A (en) * 2014-10-09 2015-01-07 公安部天津消防研究所 Fire resistance test device for vertical building partition component in water-spraying protection
CN105135885A (en) * 2015-07-21 2015-12-09 广东摩德娜科技股份有限公司 Multifunctional combustion trial furnace
CN105135885B (en) * 2015-07-21 2018-01-23 广东摩德娜科技股份有限公司 A kind of multi-functional combustion trial furnace
CN105013123A (en) * 2015-08-05 2015-11-04 上海合评消防检测中心 Noise-abatement device for fire resistance test furnace
CN105910940A (en) * 2016-06-23 2016-08-31 华北水利水电大学 Shear wall fire exposure testing device under vertical load effect
CN106525474A (en) * 2016-11-01 2017-03-22 上海同济建设工程质量检测站 High-temperature test control method and system
CN106525474B (en) * 2016-11-01 2019-06-21 上海同济建设工程质量检测站 A kind of hot test control method and system
CN106770903A (en) * 2017-01-06 2017-05-31 中国矿业大学 A kind of Combined frame structure Fire-resistance test system and test method
CN106770903B (en) * 2017-01-06 2019-03-29 中国矿业大学 A kind of Combined frame structure Fire-resistance test system and test method
CN108917398A (en) * 2018-08-13 2018-11-30 东莞市大显自动化仪器设备有限公司 A kind of building materials and the vertical fire test furnace of component
CN110108546A (en) * 2019-05-21 2019-08-09 应急管理部天津消防研究所 A kind of more test face building element fire resistance test devices
CN111219988A (en) * 2020-01-21 2020-06-02 中国建筑科学研究院有限公司 Assembled fire-resistant experimental furnace and contain its fire-resistant experimental system
CN114136093A (en) * 2021-11-17 2022-03-04 国消(天津)检测技术有限公司 Multifunctional fire-resistant test furnace

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