CN212134608U - Refractory furnace testing device - Google Patents
Refractory furnace testing device Download PDFInfo
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- CN212134608U CN212134608U CN202020514342.6U CN202020514342U CN212134608U CN 212134608 U CN212134608 U CN 212134608U CN 202020514342 U CN202020514342 U CN 202020514342U CN 212134608 U CN212134608 U CN 212134608U
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 238000002485 combustion reaction Methods 0.000 claims abstract description 33
- 239000000779 smoke Substances 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000011449 brick Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 20
- 239000004566 building material Substances 0.000 abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a fire-resistant furnace testing device, which comprises a furnace body, a control system, a sample platform arranged in the furnace body, a temperature acquisition system, a combustion system, an air supply system, a smoke exhaust system and a high-temperature camera system, wherein the temperature acquisition system, the combustion system, the air supply system, the smoke exhaust system and the high-temperature camera system are arranged near the furnace body and are communicated with the furnace body; the smoke exhaust system comprises a horizontal smoke exhaust pipeline, a corner smoke exhaust pipeline, an ejector pipeline, a first steel pipe, a smoke exhaust outlet pipe and an ejector connected with the ejector pipeline, wherein the inlet end of the horizontal smoke exhaust pipeline is communicated with the furnace body. The utility model discloses can be used to great building entity goods test material, the fire resistance of building material under the conflagration condition is simulated, the aassessment to building entity goods fire resistance that can be convenient.
Description
Technical Field
The utility model relates to a building material fire resistance test field specifically is a fire-resistant stove testing arrangement.
Background
The heat resistance of building materials in a specific space plays a very critical role in the growth of fire. The requirements on the fire resistance of building products are high, and particularly, in the aspects of buildings, high-speed rails and ship materials, related materials are subjected to related regulations in China.
At present, standards and regulations for fire resistance tests and heat release tests of building materials are more at home and abroad, and technical data of the test equipment is briefly introduced in relevant test standards. However, there is no specific test standard for such larger materials as building material products, and generally, the fire resistance test method of the materials is basically to apply flame impact directly to the materials under specific conditions to test the combustion performance of the materials, the heat release test method of the materials is basically to test the heat released by the materials under specific combustion conditions, and the materials are generally cut out from a whole material to simulate the whole material test. And for some large materials which are inconvenient to intercept or materials which have influence on performance tests after interception, no clear specification is provided. Therefore, the test design needs to be carried out again aiming at the integral large-scale components such as the building entity products, so as to achieve accurate and reliable fire resistance performance test.
At present, the device for testing the fire resistance and heat release of the material is mainly applied to the industries of building materials, high-speed rails, ships, electronic appliances and the like. With the national requirements on fire safety, the requirements for such related detection are increasingly expanding. However, no large testing device for testing materials of building entity products is available on the market
SUMMERY OF THE UTILITY MODEL
The utility model provides a fire-resistant stove testing arrangement simulates building material's fire resistance under the conflagration condition, can be convenient carry out reliable, accurate, safe test to building entity goods fire resistance.
A fire-resistant furnace testing device comprises a furnace body, a control system, a sample platform arranged in the furnace body, a temperature acquisition system, a combustion system, an air supply system, a smoke exhaust system and a high-temperature camera system, wherein the temperature acquisition system, the combustion system, the air supply system, the smoke exhaust system and the high-temperature camera system are arranged near the furnace body and communicated with the furnace body; the smoke exhaust system comprises a horizontal smoke exhaust pipeline, a corner smoke exhaust pipeline, an ejector pipeline, a first steel pipe, a smoke exhaust outlet pipe and an ejector connected with the ejector pipeline, wherein the inlet end of the horizontal smoke exhaust pipeline is communicated with the furnace body.
Further, rain-proof cap is arranged at the upper end of the smoke exhaust outlet pipe.
Furthermore, the ejector comprises an ejector fan, a second steel pipe, a reducing joint, a stamping elbow and a third steel pipe which are connected in sequence, and the third steel pipe is connected with the ejector pipeline through a third flange.
Further, combustion system includes combustion nozzle, high pressure point firearm, respectively with two gas circuits of gas passageway and air passage intercommunication and with the proportional valve of two gas circuits intercommunications, every gas circuit includes pressure regulating valve, solenoid valve, the flowmeter of series connection, proportional valve is connected with combustion nozzle, high pressure point firearm is located near combustion nozzle.
Furthermore, the temperature acquisition system comprises a temperature acquisition unit arranged near the furnace body and a temperature display module connected with the temperature acquisition unit.
Further, the temperature acquisition unit is a thermocouple.
Furthermore, the control system comprises a circuit control system of the circuit control system, and is intelligently controlled by a computer and a PLC, and is used for being connected with a high-pressure igniter in the combustion system, a temperature acquisition unit in the temperature acquisition system and a camera in the high-temperature camera system.
Further, the control system further comprises a gas path control system, a gas leakage detector and a gas leakage alarm which are connected with the gas path control system are further arranged in the gas branch, and the gas path control system is connected with the gas leakage detector, the electromagnetic valve and the gas leakage alarm in the gas path.
Furthermore, the sample platform is located in the middle of the furnace body and is formed by building refractory bricks and used for placing samples.
The utility model discloses can be used to great building entity goods test material, the fire resistance of building material under the conflagration condition is simulated, can be convenient to the aassessment of building entity goods fire resistance to provide reliable, accurate, safe test, but wide application in the fire resistance test of the material of various large-scale entity goods or inconvenient intercepting.
Drawings
FIG. 1 is a top view of the refractory furnace testing apparatus of the present invention;
FIG. 2 is a side view of the refractory furnace testing apparatus of the present invention;
FIG. 3 is a side sectional view of the fire-resistant furnace testing device of the present invention;
fig. 4 is a cross-sectional view taken along line a in fig. 3.
In the figure: 1-furnace body, 2-control system, 3-temperature acquisition system, 4-sample platform, 5-combustion system, 6-exhaust system, 7-high temperature camera system, 8-air supply system, 61-horizontal exhaust pipe, 62-corner exhaust pipe, 63-ejector pipeline, 64-first flange, 65-first steel pipe, 66-exhaust outlet pipe, 67-second flange, 68-rain-proof cap, 69-ejector, 69.1-ejector fan, 69.2-second steel pipe, 69.3-reducer union, 69.4-punching elbow, 69.5-third steel pipe, 69.6-third flange.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Please refer to fig. 1 and fig. 2, one of the embodiments of the testing device for a fire-resistant furnace of the present invention comprises a furnace body 1, a control system 2, a sample platform 4 disposed in the furnace body 1, a temperature acquisition system 3 disposed near the furnace body 1 and communicated with the furnace body 1, a combustion system 5, an air supply system 8, a smoke exhaust system 6, and a high temperature camera system 7 disposed on one side of the furnace body 1, wherein the air supply system 8 comprises a fan and an air supply duct communicated with the fan, the air supply duct is communicated with the furnace body 1, and air is driven by the fan to blow into the furnace body 1 through the air supply duct.
The furnace body 1 consists of a fireproof heat-insulating material and a steel structure shell, can be used for integrity test of building products, and is attractive and durable; specifically, the furnace body 1 can be made of refractory brick refractory mortar, and the outer wall is provided with an escalator, an access door and an upper cover.
The temperature acquisition system 3 comprises a temperature acquisition unit (such as a thermocouple) arranged near the furnace body and a temperature display module connected with the temperature acquisition unit, and the temperature display module is used for automatically displaying the temperature in the furnace and generating a curve;
the sample platform 4 is positioned in the middle of the furnace body 1, is formed by building refractory bricks and is used for placing a sample;
the combustion system 5 comprises a combustion nozzle, a high-pressure igniter, two gas paths communicated with a gas channel and an air channel respectively and a proportional valve communicated with the two gas paths, each gas path comprises a pressure regulating valve, an electromagnetic valve and a flowmeter which are connected in series, the proportional valve is connected with the combustion nozzle, and the high-pressure igniter is arranged near the combustion nozzle. The gas passes through the pressure regulating valve to the electromagnetic valve, then enters the flowmeter, and is introduced into the proportional valve, the air sent by the air supply system 8 passes through the pressure regulating valve to the electromagnetic valve, then enters the flowmeter, is introduced into the proportional valve, and is mixed with the air and introduced into the combustion nozzle through the proportional valve, and the flame is ignited by the electric spark of the high-pressure igniter. Wherein, a gas leakage detector and a gas leakage alarm connected with the gas circuit control system are also arranged in the gas branch.
The control system 2 comprises a circuit control system and a gas circuit control system, wherein the circuit control system adopts computer + PLC intelligent control and is used for being connected with a high-pressure igniter in the combustion system 5, a temperature acquisition unit in the temperature acquisition system 3, a camera in the high-temperature camera system 7 and an alarm device to realize the functions of heating control, ignition control, alarm and the like; the gas circuit control system adopts independent control, is separated from the circuit control system, is connected with a gas leakage detector, an electromagnetic valve and a gas leakage alarm in the gas circuit of the combustion system 5, and can automatically close the electromagnetic valve in the gas circuit if the gas leakage detector detects that gas is leaked, thereby being safe and reliable.
As shown in fig. 3, the smoke exhaust system 6 comprises a horizontal smoke exhaust pipeline 61, a corner smoke exhaust pipeline 62, an ejector pipeline 63, a first steel pipe 65, a smoke exhaust outlet pipe 66 and an ejector 69 connected with the ejector pipeline 63, which are connected in sequence, wherein the inlet end of the horizontal smoke exhaust pipeline 61 is communicated with the furnace body 1, the ejector pipeline 63 is connected with the first steel pipe 65 through a first flange 67, the smoke exhaust outlet pipe 66 is formed by connecting steel pipes and an elbow, the steel pipes and the elbow are connected through a second flange 67, and a rain-proof cap 68 is arranged at the upper end of the smoke exhaust outlet pipe 66.
As shown in fig. 4, the ejector 69 includes an ejector fan 69.1, a second steel pipe 69.2, a reducer joint 69.3, a ram elbow 69.4, and a third steel pipe 69.5, which are connected in sequence, and the third steel pipe 69.5 is connected to the ejector pipeline 63 through a third flange 69.6.
The utility model discloses the theory of operation: the test sample (for example, the bus duct) is hoisted on the sample platform 4 in the furnace body 1 through the electric hoist, then the air supply system 8 is opened, the air is sent into in the combustion box of the furnace body 1, the combustion nozzle of the combustion system 5 is opened, the sample is combusted, then the smoke exhaust system 6 is opened, the smoke passes through the pipeline, and the combustion condition is monitored by the high-temperature camera system 7 outdoors in the combustion process.
The utility model discloses can be used to great building entity goods test material, the fire resistance of building material under the conflagration condition is simulated, can be convenient to the aassessment of building entity goods fire resistance to provide reliable, accurate, safe test, but wide application in the fire resistance test of the material of various large-scale entity goods or inconvenient intercepting.
The above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A fire-resistant furnace testing device is characterized in that: the furnace comprises a furnace body (1), a control system (2), a sample platform (4) arranged in the furnace body (1), a temperature acquisition system (3) arranged near the furnace body (1) and communicated with the furnace body (1), a combustion system (5), an air supply system (8), a smoke exhaust system (6) and a high-temperature camera system (7) arranged on one side of the furnace body (1), wherein the air supply system (8) comprises a fan and an air supply pipeline communicated with the fan, the air supply pipeline is communicated with a combustion box in the furnace body (1), and air is driven by the fan to blow into the combustion box of the furnace body (1) through the air supply pipeline; the smoke exhaust system (6) comprises a horizontal smoke exhaust pipeline (61), a corner smoke exhaust pipeline (62), an ejector pipeline (63), a first steel pipe (65), a smoke exhaust outlet pipe (66) and an ejector (69) connected with the ejector pipeline (63), wherein the inlet end of the horizontal smoke exhaust pipeline (61) is communicated with the furnace body (1).
2. The refractory furnace testing apparatus according to claim 1, wherein: the upper end of the smoke exhaust outlet pipe (66) is provided with a rain-proof cap (68).
3. The refractory furnace testing apparatus according to claim 1, wherein: the ejector (69) comprises an ejector fan (69.1), a second steel pipe (69.2), a reducing joint (69.3), a stamping elbow (69.4) and a third steel pipe (69.5), which are connected in sequence, and the third steel pipe (69.5) is connected with the ejector pipeline (63) through a third flange (69.6).
4. The refractory furnace testing apparatus according to claim 1, wherein: the combustion system (5) comprises a combustion nozzle, a high-pressure igniter, two gas circuits communicated with a gas channel and an air channel respectively and a proportional valve communicated with the two gas circuits, each gas circuit comprises a pressure regulating valve, an electromagnetic valve and a flowmeter which are connected in series, the proportional valve is connected with the combustion nozzle, and the high-pressure igniter is arranged near the combustion nozzle.
5. The refractory furnace testing apparatus according to claim 1, wherein: the temperature acquisition system (3) comprises a temperature acquisition unit arranged near the furnace body and a temperature display module connected with the temperature acquisition unit.
6. The refractory furnace testing apparatus according to claim 5, wherein: the temperature acquisition unit is a thermocouple.
7. The fire-resistant furnace testing apparatus according to claim 4, wherein: the control system (2) comprises a circuit control system of a circuit control system, adopts computer and PLC intelligent control and is used for being connected with a high-pressure igniter in the combustion system (5), a temperature acquisition unit in the temperature acquisition system (3) and a camera in the high-temperature camera system (7).
8. The refractory furnace testing apparatus as defined in claim 7, wherein: the control system (2) further comprises a gas path control system, a gas leakage detector and a gas leakage alarm which are connected with the gas path control system are further arranged in the gas branch, and the gas path control system is connected with the gas leakage detector, the electromagnetic valve and the gas leakage alarm in the gas path.
9. The refractory furnace testing apparatus according to claim 1, wherein: the sample platform (4) is positioned in the middle of the furnace body (1), is formed by building refractory bricks and is used for placing samples.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020514342.6U CN212134608U (en) | 2020-04-09 | 2020-04-09 | Refractory furnace testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020514342.6U CN212134608U (en) | 2020-04-09 | 2020-04-09 | Refractory furnace testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212134608U true CN212134608U (en) | 2020-12-11 |
Family
ID=73687283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020514342.6U Active CN212134608U (en) | 2020-04-09 | 2020-04-09 | Refractory furnace testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212134608U (en) |
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2020
- 2020-04-09 CN CN202020514342.6U patent/CN212134608U/en active Active
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