CN205079606U - Building element fire resistance testing stove - Google Patents
Building element fire resistance testing stove Download PDFInfo
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- CN205079606U CN205079606U CN201520872385.0U CN201520872385U CN205079606U CN 205079606 U CN205079606 U CN 205079606U CN 201520872385 U CN201520872385 U CN 201520872385U CN 205079606 U CN205079606 U CN 205079606U
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Abstract
The utility model relates to a trial furnace technical field, refer in particular to building element fire resistance testing stove, it is including the furnace body, burning control system, an electric control system, be equipped with furnace in the furnace body, exhaust pipe, the inboard oven of furnace is equipped with the nozzle, the furnace temperature thermocouple, the exhaust port, control system is including the gas pipeline in the burning, gas controlling means, the gas branch pipe, the combustion air pipeline, the combustion air branch pipe, the air inlet of nozzle stretches out the furnace outside, the air inlet of every nozzle is respectively through gas branch pipe and gas pipe connection, through combustion air branch pipe and combustion air pipe connection, the utility model discloses a gas combustion, temperature, pressure all pass through burning control system and combine electric control system automatic control, have improved experimental stability and accuracy, and easy operation, but automatic control temperature curve and pressure curve and save the tentation data have practiced thrift the cost greatly, furnace adopts outside mixed structure's high combustion rate burner in addition, can prevent the tempering, take off the fire, improves the security performance.
Description
Technical field:
The present invention relates to trial furnace technical field, refer in particular to building element fire test furnace.
Background technology:
The house that people lived and handled official business is all be made up of building elements such as beam, plate, wall, post, door, windows.These building elements are skeletons of a building, and the quality of their performances determines the various aspects of performance such as this Antiseismic building, windproof, fire prevention.At present, antidetonation, the wind-proof performance of building element can be tested more accurately, and the test of fire protecting performance is also short of to some extent.When building breaking out of fire, general just by observing color, do some simply test judge its damage degree, damage by fire conclusion can not be made exactly.
Along with the development of building industry and various New Building Materials, the fire resistance of people to building element is more and more paid attention to.The fire resistance of building element is generally detected by carrying out fire resistance test in fire test furnace.The fire resistance test of building element is exactly the environment according to the temperature in standard, pressure simulated fire in fire test furnace, by analyzing the index such as integrality, thermal insulation thus judging the fire resistance of test specimen.Existing building element fire test furnace, fuel made by general employing heavy oil or diesel oil, use thermocouple temperature measurement, Artificial Control temperature, pressure, therefore can not at every turn fire resistance test time heating ramp rate can not reach asking of GB/T9978-2008 standard, the curve of the pressure in stove can not reach the ladder force value of test requirements document, there is the shortcoming that manually-operated subjective judgement factor affects, control accuracy is poor, heating curve is inconsistent, cause result of the test difference each other larger.
Summary of the invention:
Object of the present invention is exactly the deficiency that exists for prior art and provides a kind of and improve the accuracy of test and the building element fire test furnace of reliability.
To achieve these goals, the technical solution used in the present invention is: building element fire test furnace, it includes body of heater, combustion control system, electric control system, burner hearth is provided with in body of heater, smoke discharging pipe, burner hearth interior furnace wall is provided with multiple burner, the many furnace temperature thermocouples be electrically connected with electric control system, the exhaust opening be communicated with smoke discharging pipe, combustion control system includes gas pipeline, connect the controller for gas of gas pipeline inlet end, many combustion gas arms, comburent air duct, many combustion air arms, the air inlet of burner stretches out burner hearth outside, the air inlet of each burner is all connected with combustion gas arm and combustion air arm, the two ends of combustion gas arm respectively with gas pipeline, the air inlet of corresponding burner is communicated with, the two ends of combustion air arm respectively with comburent air duct, the air inlet of corresponding burner is communicated with.
Described combustion gas arm is provided with air/gas proportioning valve, gas electromagnetic valve, and air/gas proportioning valve is connected with combustion air arm, and air/gas proportioning valve, gas electromagnetic valve are electrically connected with electric control system respectively.
Described controller for gas includes liquid phase transfer valve, LPG cylinder, gasification furnace, gas-liquid separator that at least one is connected with liquid phase transfer valve entrance by pipeline, the outlet of liquid phase transfer valve is connected with the entrance of gasification furnace by pipeline, the outlet of gasification furnace is connected with the entrance of gas-liquid separator by pipeline, and the outlet of gas-liquid separator is communicated with gas pipeline.
On rear side of described burner hearth, the top of furnace wall is provided with the warm galvanic couple of the back of the body, carries on the back warm galvanic couple and is electrically connected with electric control system.
Described burner hearth interior furnace wall is provided with pressure measxurement probe, and pressure measxurement probe is electrically connected with electric control system.
Described burner hearth interior furnace wall is provided with fire observation window.
The kiln car of carrying test specimen is also provided with in described body of heater.
Described burner hearth includes steel structure frame, in steel structure frame, be built into furnace wall with refractory brick, and post high-temperature flame-proof cotton inside furnace wall, outside is wrapped up by color steel.
The gas outlet of described smoke discharging pipe is connected with smoke exhaust fan.
The air inlet of described comburent air duct is connected with combustion fan.
Beneficial effect of the present invention is: building element fire test furnace provided by the invention, it includes body of heater, combustion control system, electric control system, burner hearth is provided with in body of heater, smoke discharging pipe, burner hearth interior furnace wall is provided with multiple burner, many furnace temperature thermocouples, exhaust opening, combustion control system includes gas pipeline, controller for gas, many combustion gas arms, comburent air duct, many combustion air arms, the air inlet of burner stretches out burner hearth outside, the air inlet of each burner is connected with gas pipeline respectively by combustion gas arm, be connected with comburent air duct by combustion air arm, fuel gas buring of the present invention, temperature, pressure is all controlled in conjunction with electric control system automatically by combustion control system, improve stability and the accuracy of test, simple to operate, can A.T.C curve and pressure curve store test data, greatly save cost, burner hearth adopts the high combustion rate burner of external mix structure in addition, and combustion air and gas phase liquefied gas are being positioned at the burner entrance mixing of burner hearth outside, can prevent tempering, de-fire, improve security performance.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
Fig. 2 is the internal structure schematic diagram of burner hearth of the present invention.
Fig. 3 is the structural representation of smoke discharging pipe of the present invention.
Fig. 4 is the structural representation of combustion control system of the present invention.
Fig. 5 is the structural representation of controller for gas of the present invention.
Fig. 6 is the structural representation of electric control system of the present invention.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is further illustrated, see shown in Fig. 1 ~ 6, body of heater 1, combustion control system 2, electric control system 3 are the present invention includes, burner hearth 4, smoke discharging pipe 5 is provided with in body of heater 1, burner hearth 4 is provided with multiple high combustion rate burner 41 at left and right two interior furnace wall 45, provides in burner hearth 4 heat needed for heating up; Burner hearth 4 is designed with three exhaust openings 43 at rear interior furnace wall 45, is connected to smoke discharging pipe 5 below, and discharged by the flue gas in burner hearth 4, controlled pressure, the gas outlet of smoke discharging pipe 5 is connected with smoke exhaust fan 51, by flue gas sucking-off; Interior furnace wall 45 is provided with four fire observation windows 48 after burner hearth 4, be used for viewing test time test specimen by the situation of fiery face and flame; After burner hearth 4, interior furnace wall 45 is provided with the many furnace temperature thermocouples 42 be electrically connected with electric control system 3, furnace temperature thermocouple 42 is nickel chromium triangle-nisiloy (K type) thermocouple, reach distance test specimen by fiery face 10cm by rear interior furnace wall 45 always, be used for measuring the temperature of test specimen by fiery face, as the foundation of temperature automatic control in burner hearth 4.On rear side of burner hearth 4, the top of furnace wall 45 is provided with the warm galvanic couple 6 of the back of the body, carries on the back warm galvanic couple 6 and is electrically connected with electric control system 3.Burner hearth 4 interior furnace wall 45 is provided with T-shaped pressure measxurement probe 7, and T-shaped pressure measxurement probe 7 is electrically connected with electric control system 3.The present invention adopts Full-automatic ignition to control, and has igniting alarming, automatic firing function after flame-out.
Combustion control system 2 includes gas pipeline 21, connect the controller for gas 22 of gas pipeline 21 inlet end, many combustion gas arms 23, comburent air duct 24, many combustion air arms 25, the air inlet of burner 41 stretches out burner hearth 4 outside, the air inlet of each burner 41 is all connected with combustion gas arm 23 and combustion air arm 25, the two ends of combustion gas arm 23 respectively with gas pipeline 21, the air inlet of corresponding burner 41 is communicated with, the two ends of combustion air arm 25 respectively with comburent air duct 24, the air inlet of corresponding burner 41 is communicated with, the air inlet of comburent air duct 24 is connected with combustion fan 28, comburent air duct 24 is provided with electric butterfly valve 29.Burner hearth 4 adopts the high combustion rate burner 41 of external mix structure, and combustion air and gas phase liquefied gas are being positioned at the burner 41 entrance mixing of burner hearth 4 outside, can prevent tempering, de-fire, improve security performance.
Combustion gas arm 23 is provided with air/gas proportioning valve 26, gas electromagnetic valve 27, hand-operated valve, gas electromagnetic valve 27 is flow control valve, combustion air arm 25 is provided with hand-operated valve, air/gas proportioning valve 26 is connected with combustion air arm 25, and air/gas proportioning valve 26, gas electromagnetic valve 27 are electrically connected with electric control system 3 respectively.The air/gas proportioning valve 26 of assembling ensures that air and combustion gas reach optimum state in the mixed proportion of burner hearth 4, saves the energy.
Controller for gas 22 includes liquid phase transfer valve 221, at least one LPG cylinder 222 be connected with liquid phase transfer valve 221 entrance by pipeline, gasification furnace 223, one-level dropping valve group, gas-liquid separator 224, secondary dropping valve group, the outlet of liquid phase transfer valve 221 is connected by the entrance of pipeline with gasification furnace 223, the outlet of gasification furnace 223 is connected by the entrance of pipeline with gas-liquid separator 224, pipeline between the outlet of gasification furnace 223 and the entrance of gas-liquid separator 224 is arranged one-level dropping valve group, one-level dropping valve group is by y-type filter, pressure regulator valve, ball valve forms, the outlet of gas-liquid separator 224 is communicated with gas pipeline 21, secondary dropping valve group is set between the outlet of gas-liquid separator 224 and gas pipeline 21, secondary dropping valve group is by pressure regulator valve, ball valve forms.Fire test furnace adopts oil liquefied gas as fuel, adopts the temperature and pressure in automatic control system guarantee stove.Air storage chamber is furnished with oil liquefied gas leak detecting device, when occur L. P. G gas leakage time automatically stop test and sound and light alarm notifies user of service.Controller for gas 22 uses 8 bottles of LPG cylinders 222,4 bottles a group, for subsequent use each other, when wherein one group work time, other one group for subsequent use, automatically switch during use.Controller for gas 22 operation principle is: the phase petroleum gas in LPG cylinder 222 is after gasification furnace 223 processes, volumetric expansion, become gaseous state, filtered by y-type filter, after one-level step-down, pressure is 0.1Mpa, recycling gas-liquid separator 224 removes liquid, makes dry gas phase condensation gas final pressure after secondary step-down be 0.4kpa, is sent to burner hearth 4 by gas pipeline 21.
Also be provided with the kiln car 8 of carrying test specimen in body of heater 1, test specimen is fixed to testing position by kiln car 8, tests, and kiln car 8 is made up of car body and test specimen platform, and car body design has four castors, can promote.
Burner hearth 4 includes steel structure frame 44, and in steel structure frame 44, be built into furnace wall 45 with refractory brick, post high-temperature flame-proof cotton 46, high insulating effect inside furnace wall 45, outside is wrapped up by color steel 47.Fire door and furnace roof are squeezed into wall by lightweight heat-proof cotton, good heat-insulation effect, also significantly reduce the weight of fire door, easy to use.Inner flue gas of the stove discharge adopts water-cooling pattern cooling, and cooling effect is better, and cooled high-temperature flue gas, again through flue gas purification system process, becomes nontoxic flue gas and discharges.
Electric control system 3 comprises PLC, built-in type integrated industrial control computer, logging, 3 air pressure probes, 3 signal input isolation processing devices, 2 frequency converters, thermocouple signal isolation processing device, igniter, high-low pressure detecting sensor and various relay, contactor and switches etc.Electric control system 3 adopts modular construction, greatly simplified control system, saves electric wire, and easy to maintenance.Magnificent high-performance module acquires temperature and furnace pressure data are ground in use Taiwan, core, meet the requirement of certainty of measurement.Data processing section adopts all computer to control, and automatically generate temperature rise curve in EXCEL experimental report and stove, and persistence is data-base recording, inquiry after convenient.
Fuel gas buring of the present invention, temperature, pressure are all controlled in conjunction with electric control system 3 automatically by combustion control system 2, improve stability and the accuracy of test, simple to operate, can A.T.C curve and pressure curve store test data, greatly save cost.
Certainly, the above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (10)
1. building element fire test furnace, include body of heater (1), combustion control system (2), electric control system (3), it is characterized in that: in described body of heater (1), be provided with burner hearth (4), smoke discharging pipe (5), burner hearth (4) interior furnace wall (45) is provided with multiple burner (41), the many furnace temperature thermocouples (42) be electrically connected with electric control system (3), the exhaust opening (43) be communicated with smoke discharging pipe (5), combustion control system (2) includes gas pipeline (21), connect the controller for gas (22) of gas pipeline (21) inlet end, many combustion gas arms (23), comburent air duct (24), many combustion air arms (25), the air inlet of burner (41) stretches out burner hearth (4) outside, the air inlet of each burner (41) is all connected with combustion gas arm (23) and combustion air arm (25), the two ends of combustion gas arm (23) respectively with gas pipeline (21), the air inlet of corresponding burner (41) is communicated with, the two ends of combustion air arm (25) respectively with comburent air duct (24), the air inlet of corresponding burner (41) is communicated with.
2. building element fire test furnace according to claim 1, it is characterized in that: described combustion gas arm (23) is provided with air/gas proportioning valve (26), gas electromagnetic valve (27), air/gas proportioning valve (26) is connected with combustion air arm (25), and air/gas proportioning valve (26), gas electromagnetic valve (27) are electrically connected with electric control system (3) respectively.
3. building element fire test furnace according to claim 1, it is characterized in that: described controller for gas (22) includes liquid phase transfer valve (221), at least one LPG cylinder (222) be connected with liquid phase transfer valve (221) entrance by pipeline, gasification furnace (223), gas-liquid separator (224), the outlet of liquid phase transfer valve (221) is connected by the entrance of pipeline with gasification furnace (223), the outlet of gasification furnace (223) is connected by the entrance of pipeline with gas-liquid separator (224), the outlet of gas-liquid separator (224) is communicated with gas pipeline (21).
4. building element fire test furnace according to claim 1, it is characterized in that: the top of described burner hearth (4) rear side furnace wall (45) is provided with the warm galvanic couple of the back of the body (6), carries on the back warm galvanic couple (6) and is electrically connected with electric control system (3).
5. building element fire test furnace according to claim 1, it is characterized in that: described burner hearth (4) interior furnace wall (45) is provided with pressure measxurement probe (7), pressure measxurement probe (7) is electrically connected with electric control system (3).
6. building element fire test furnace according to claim 1, is characterized in that: described burner hearth (4) interior furnace wall (45) is provided with fire observation window (48).
7. building element fire test furnace according to claim 1, is characterized in that: the kiln car (8) being also provided with carrying test specimen in described body of heater (1).
8. building element fire test furnace according to claim 1, it is characterized in that: described burner hearth (4) includes steel structure frame (44), furnace wall (45) is built into refractory brick in steel structure frame (44), high-temperature flame-proof cotton (46) is posted in inner side, furnace wall (45), and outside is by color steel (47) parcel.
9. building element fire test furnace according to claim 1, is characterized in that: the gas outlet of described smoke discharging pipe (5) is connected with smoke exhaust fan (51).
10. the building element fire test furnace according to claim 1 ~ 9 any one, is characterized in that: the air inlet of described comburent air duct (24) is connected with combustion fan (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872385.0U CN205079606U (en) | 2015-11-05 | 2015-11-05 | Building element fire resistance testing stove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872385.0U CN205079606U (en) | 2015-11-05 | 2015-11-05 | Building element fire resistance testing stove |
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| CN205079606U true CN205079606U (en) | 2016-03-09 |
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| CN201520872385.0U Expired - Fee Related CN205079606U (en) | 2015-11-05 | 2015-11-05 | Building element fire resistance testing stove |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152807A (en) * | 2016-08-18 | 2016-11-23 | 温书强 | A kind of pottery fires temperature control system |
| 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 |
| CN107219249A (en) * | 2017-06-26 | 2017-09-29 | 合肥市科睦佰水性材料有限公司 | A kind of three-dimensional composite material plate fire resistance test system and method |
| CN107345769A (en) * | 2017-08-29 | 2017-11-14 | 广西容县顺垚仿古建陶有限公司 | The automaton that valve is run in a kind of adobe burning equipment |
| CN107621168A (en) * | 2017-09-14 | 2018-01-23 | 董奕含 | A kind of fire window fire resistance automatic test equipment |
| CN108680487A (en) * | 2018-05-17 | 2018-10-19 | 罗杰敏 | A kind of building block heat-resisting resistance to compression detection device safely |
| 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 |
| CN110726309A (en) * | 2019-10-25 | 2020-01-24 | 黄石山力板带新材料研究设计院有限公司 | Pressure control method and device for open fire heating furnace |
| CN110806424A (en) * | 2019-11-04 | 2020-02-18 | 应急管理部天津消防研究所 | Fire resistance test device of accurate control furnace pressure |
| CN111609714A (en) * | 2020-05-19 | 2020-09-01 | 南京上元分析仪器有限公司 | Steel construction fire-retardant coating efficiency test stove that insulates against heat |
| CN114610098A (en) * | 2022-03-15 | 2022-06-10 | 广州市建筑材料工业研究所有限公司 | Low-carbon energy-saving type building component fire resistance test furnace control system and method |
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2015
- 2015-11-05 CN CN201520872385.0U patent/CN205079606U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152807A (en) * | 2016-08-18 | 2016-11-23 | 温书强 | A kind of pottery fires temperature control 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 |
| 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 |
| CN107219249A (en) * | 2017-06-26 | 2017-09-29 | 合肥市科睦佰水性材料有限公司 | A kind of three-dimensional composite material plate fire resistance test system and method |
| CN107345769A (en) * | 2017-08-29 | 2017-11-14 | 广西容县顺垚仿古建陶有限公司 | The automaton that valve is run in a kind of adobe burning equipment |
| CN107621168A (en) * | 2017-09-14 | 2018-01-23 | 董奕含 | A kind of fire window fire resistance automatic test equipment |
| CN108680487A (en) * | 2018-05-17 | 2018-10-19 | 罗杰敏 | A kind of building block heat-resisting resistance to compression detection device safely |
| 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 |
| CN110726309A (en) * | 2019-10-25 | 2020-01-24 | 黄石山力板带新材料研究设计院有限公司 | Pressure control method and device for open fire heating furnace |
| CN110806424A (en) * | 2019-11-04 | 2020-02-18 | 应急管理部天津消防研究所 | Fire resistance test device of accurate control furnace pressure |
| CN110806424B (en) * | 2019-11-04 | 2022-04-26 | 应急管理部天津消防研究所 | Fire resistance test device of accurate control furnace pressure |
| CN111609714A (en) * | 2020-05-19 | 2020-09-01 | 南京上元分析仪器有限公司 | Steel construction fire-retardant coating efficiency test stove that insulates against heat |
| CN114610098A (en) * | 2022-03-15 | 2022-06-10 | 广州市建筑材料工业研究所有限公司 | Low-carbon energy-saving type building component fire resistance test furnace control system and method |
| CN114610098B (en) * | 2022-03-15 | 2023-08-25 | 广州市建筑材料工业研究所有限公司 | Control system and method for low-carbon energy-saving building element fire resistance test furnace |
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Granted publication date: 20160309 Termination date: 20171105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |