CN218685965U - Gaseous fire extinguishing agent fire extinguishing performance testing arrangement - Google Patents
Gaseous fire extinguishing agent fire extinguishing performance testing arrangement Download PDFInfo
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- CN218685965U CN218685965U CN202220853726.XU CN202220853726U CN218685965U CN 218685965 U CN218685965 U CN 218685965U CN 202220853726 U CN202220853726 U CN 202220853726U CN 218685965 U CN218685965 U CN 218685965U
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Abstract
The utility model discloses a gaseous fire extinguishing agent fire extinguishing performance testing arrangement, including burner, fire extinguishing agent feeding mechanism, test bin subassembly and control test system put out a fire, burner set up in the test bin subassembly of putting out a fire, fire extinguishing agent feeding mechanism's discharge end with the fire extinguishing agent feed inlet that lacks cargo test bin subassembly is connected, burner with fire extinguishing agent feeding mechanism all with control test system connects. Compared with the prior art, the utility model discloses a burner burns in narrow and small space, adjusts gaseous fire extinguishing agent gradually and lets in the volume with the air and carry out the fire extinguishing test to can master concrete fire extinguishing agent best concentration of putting out a fire, the test effect is accurate, provides comparatively accurate parameter foundation for follow-up research and development gaseous extinguishing device, has the value of popularization and application.
Description
Technical Field
The utility model relates to a fire control test equipment especially relates to a gaseous fire extinguishing agent fire extinguishing performance testing arrangement.
Background
The gas fire extinguishing agent is a substance for extinguishing fire by using a raw material in a gas state, the performance of the gas fire extinguishing agent needs to be tested when being researched and developed, the mixed concentration data of the gas fire extinguishing agent and air needs to be known, and the gas fire extinguishing agent can be adjusted to the optimal state.
Disclosure of Invention
The utility model aims at providing a gaseous fire extinguishing agent fire extinguishing performance testing arrangement.
In order to achieve the purpose, the utility model is implemented according to the following technical scheme:
the utility model discloses a burner, fire extinguishing agent feeding mechanism, test bin subassembly and control test system put out a fire, burner set up in put out a fire in the test bin subassembly, fire extinguishing agent feeding mechanism's discharge end with the fire extinguishing agent feed inlet of test bin subassembly of putting out a fire is connected, burner with fire extinguishing agent feeding mechanism all with control test system connects.
Further, the test bin subassembly of putting out a fire comprises fire extinguishing test section of thick bamboo and fire extinguishing agent mixing drum, the fire extinguishing agent mixing drum set up in the lower extreme of fire extinguishing test section of thick bamboo, the fire extinguishing test section of thick bamboo with the fire extinguishing agent mixing drum communicates with each other and connects, one side of fire extinguishing agent mixing drum with fire extinguishing agent supply arrangement's discharge end is connected, burner set up in middle section in the fire extinguishing test section of thick bamboo.
Furthermore, the combustion device comprises a combustion cup assembly and a lifting fuel supply device, the combustion cup assembly is arranged in the middle section of the fire extinguishing test cylinder, the fuel input end of the combustion cup assembly is connected with the fuel output end of the lifting fuel supply device, the control and signal output end of the combustion cup assembly is connected with the control test system, and the control end of the lifting fuel supply device is connected with the control test system.
Further, fire extinguishing agent feeding mechanism is inserted the pipe by the air, fire extinguishing agent inserts pipe, air flowmeter and fire extinguishing agent flowmeter constitutes, the air inserts the pipe and inserts the air supply unit, fire extinguishing agent inserts the pipe and inserts fire extinguishing agent feedway, the air insert the pipe set up in air flowmeter's feed end, fire extinguishing agent insert the pipe set up in fire extinguishing agent flowmeter's feed end, air flowmeter with fire extinguishing agent flowmeter's discharge end simultaneously with one side of the mixed section of thick bamboo of fire extinguishing agent is connected.
Specifically, the burning cup subassembly comprises burning cup outer wall, burning cup inner wall, electric heating wire, temperature sensor, sensor line interface, fuel input interface and electric heat silk thread interface, electric heating wire set up in upper segment between burning cup outer wall and the burning cup inner wall, temperature sensor set up in middle part in the burning cup inner wall, lower extreme one side of burning cup outer wall sets up sensor line interface, temperature sensor's signal line is worn out by sensor line interface after between burning cup outer wall and the burning cup inner wall, the lower extreme opposite side of burning cup outer wall sets up electric heat silk thread interface, electric heating wire's power cord is worn out by the position of electric heat silk thread interface after between burning cup outer wall and the burning cup inner wall, the lower extreme setting of burning cup inner wall the fuel input interface, the fuel input interface with lift fuel supply device's fuel output end is connected.
The utility model has the advantages that:
the utility model relates to a gaseous extinguishing agent fire extinguishing performance testing arrangement compares with prior art, the utility model discloses a burner burns in narrow and small space, adjusts gaseous extinguishing agent gradually and lets in the volume with the air and carry out the fire extinguishing test to can master concrete extinguishing agent best concentration of putting out a fire, test effect is accurate, provides comparatively accurate parameter foundation for follow-up research and development gaseous extinguishing device, has the value of popularization and application.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the combustion cup of the present invention.
In the figure: the fire extinguishing test device comprises a fire extinguishing test cylinder 1, a combustion cup component 2, a fire extinguishing agent mixing cylinder 3, an air access pipe 4, a fire extinguishing agent access pipe 5, an air flow meter 6, a fire extinguishing agent flow meter 7, a lifting fuel supply device 8, a combustion cup outer wall 21, a combustion cup inner wall 22, an electric heating wire 23, a temperature sensor 24, a sensor wire interface 25, a fuel input interface 26 and an electric heating wire interface 27.
Detailed Description
The invention will be further described with reference to the drawings and specific embodiments, illustrative embodiments and description of which are provided herein to explain the invention, but not as a limitation thereof.
As shown in fig. 1 and 2: the utility model discloses a burner, fire extinguishing agent feeding mechanism, test bin subassembly and control test system put out a fire, burner set up in the test bin subassembly put out a fire, fire extinguishing agent feeding mechanism's discharge end with the fire extinguishing agent feed inlet of test bin subassembly of putting out a fire is connected, burner with fire extinguishing agent feeding mechanism all with control test system connects.
Further, the test bin subassembly of putting out a fire comprises fire extinguishing test section of thick bamboo 1 and fire extinguishing agent mixing drum 3, fire extinguishing agent mixing drum 3 set up in the lower extreme of fire extinguishing test section of thick bamboo 1, fire extinguishing test section of thick bamboo 1 with fire extinguishing agent mixing drum 3 communicates with each other and connects, one side of fire extinguishing agent mixing drum 3 with fire extinguishing agent supply arrangement's discharge end is connected, burner set up in middle section in the fire extinguishing test section of thick bamboo 1.
Further, the combustion device is composed of a combustion cup assembly 2 and a lifting fuel supply device 8, the combustion cup assembly 2 is arranged in the middle section of the fire extinguishing test cylinder 1, a fuel input end of the combustion cup assembly 2 is connected with a fuel output end of the lifting fuel supply device 8, a control and signal output end of the combustion cup assembly 2 is connected with a control test system, and a control end of the lifting fuel supply device 8 is connected with the control test system.
Further, fire extinguishing agent feeding mechanism inserts pipe 5, air flowmeter 6 and fire extinguishing agent flowmeter 7 by the air and constitutes, the air inserts pipe 4 and inserts the air supply unit, fire extinguishing agent inserts pipe 5 and inserts the fire extinguishing agent feedway, the air insert pipe 4 set up in air flowmeter 6's feed end, fire extinguishing agent insert pipe 5 set up in fire extinguishing agent flowmeter 7's feed end, air flowmeter 6 with fire extinguishing agent flowmeter 7's discharge end simultaneously with one side of fire extinguishing agent mixing cylinder 3 is connected.
Specifically, the combustion cup assembly 2 is composed of a combustion cup outer wall 21, a combustion cup inner wall 22, an electric heating wire 23, a temperature sensor 24, a sensor wire interface 25, a fuel input interface 26 and an electric heating wire interface 27, wherein the electric heating wire 23 is arranged at the upper section between the combustion cup outer wall 21 and the combustion cup inner wall 22, the temperature sensor 24 is arranged at the middle part inside the combustion cup inner wall 22, the sensor wire interface 25 is arranged at one side of the lower end of the combustion cup outer wall 21, a signal wire of the temperature sensor 24 penetrates out from the sensor wire interface 25 after passing through the space between the combustion cup outer wall 21 and the combustion cup inner wall 22, the electric heating wire interface 27 is arranged at the other side of the lower end of the combustion cup outer wall 21, a power wire of the electric heating wire 23 penetrates out from the position of the electric heating wire interface 27 after passing through the space between the combustion cup outer wall 21 and the combustion cup inner wall 22, the fuel input interface 26 is arranged at the lower end of the combustion cup inner wall 22, and the fuel input interface 26 is connected with the fuel output end of the lifting fuel supply device 8.
The using method of the invention is as follows:
fuel is placed in the lifting fuel supply device 8, and the height of the lifting fuel supply device 8 is adjusted, so that the distance between the liquid level of the fuel in the combustion cup assembly 2 and the top of the combustion cup is within a set range. The electrical heating wire 23 is started to bring the fuel above the flash point of combustion, and in this process, the fuel level in the combustion cup assembly 2 should be adjusted to be above the fuel temperature measuring device. Adjusting air flow, igniting fuel, pre-burning the fuel between the fire extinguishing agents, and adjusting the liquid level of the fuel to be within 1mm from the top of the cup in the pre-burning process. The flow of the extinguishing agent is gradually increased until the flame is extinguished. The flow data of the extinguishing agent and air are recorded when the flame is extinguished, and the oxygen concentration remaining in the air/extinguishing agent mixture in the extinguishing agent mixing cylinder 3 can be measured by a continuous oxygen analyzer. The oxygen concentration value is influenced by the depth of the fire extinguishing agent, and the concentration of the fire extinguishing agent can be calculated according to the following formula:
in the formula:
c-concentration of fire suppressant, volume percent%;
o2-the oxygen concentration in the air/fire extinguishing agent mixture in the chimney, volume percent;
o2 (sup) -oxygen concentration in the air source,% by volume.
The alternative method comprises the following steps:
the concentration of the fire suppressant in the fire suppressant/air mixture may be calculated by measuring the flow of fire suppressant and air. If a mass flow meter is used, the measured mass flow rate can be converted to a volumetric flow rate by the following equation.
In the formula:
vi-volume flow of gas i in liters per minute (L/min);
mi — mass flow of gas i in grams per minute (g/min);
pi-the density of gas i, in grams per liter (g/L).
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a gaseous fire extinguishing agent fire extinguishing performance testing arrangement which characterized in that: the fire extinguishing test device comprises a combustion device, a fire extinguishing agent supply device, a fire extinguishing test bin assembly and a control test system, wherein the combustion device is arranged in the fire extinguishing test bin assembly, the discharge end of the fire extinguishing agent supply device is connected with a fire extinguishing agent feed inlet of the fire extinguishing test bin assembly, and the combustion device and the fire extinguishing agent supply device are both connected with the control test system;
fire extinguishing agent feeding mechanism inserts pipe (5), air flowmeter (6) and fire extinguishing agent flowmeter (7) by air and constitutes, air inserts pipe (4) and inserts air supply unit, fire extinguishing agent inserts pipe (5) and inserts fire extinguishing agent feedway, air insert pipe (4) set up in the feed end of air flowmeter (6), fire extinguishing agent insert pipe (5) set up in the feed end of fire extinguishing agent flowmeter (7), air flowmeter (6) with the discharge end of fire extinguishing agent flowmeter (7) is connected with one side of fire extinguishing agent mixing drum (3) simultaneously.
2. The fire extinguishing performance testing device for the gaseous extinguishing agent according to claim 1, characterized in that: the fire extinguishing test bin assembly is composed of a fire extinguishing test cylinder (1) and a fire extinguishing agent mixing cylinder (3), the fire extinguishing agent mixing cylinder (3) is arranged at the lower end of the fire extinguishing test cylinder (1), the fire extinguishing test cylinder (1) is communicated with the fire extinguishing agent mixing cylinder (3) for connection, one side of the fire extinguishing agent mixing cylinder (3) is connected with the discharge end of a fire extinguishing agent supply device, and the combustion device is arranged in the middle section of the fire extinguishing test cylinder (1).
3. The fire extinguishing performance testing device for the gaseous extinguishing agent according to claim 2, characterized in that: the combustion device is composed of a combustion cup assembly (2) and a lifting fuel supply device (8), the combustion cup assembly (2) is arranged in the middle section of the fire extinguishing test cylinder (1), the fuel input end of the combustion cup assembly (2) is connected with the fuel output end of the lifting fuel supply device (8), the control and signal output end of the combustion cup assembly (2) is connected with a control test system, and the control end of the lifting fuel supply device (8) is connected with the control test system.
4. The fire extinguishing performance testing device for the gas fire extinguishing agent according to claim 3, characterized in that: the utility model discloses a fuel combustion cup, including burning cup subassembly (2), burning cup inner wall (22), electric heating wire (23), temperature sensor (24), sensor line interface (25), fuel input interface (26) and electric heat silk thread interface (27), electric heating wire (23) set up in upper segment between burning cup outer wall (21) and burning cup inner wall (22), temperature sensor (24) set up in middle part in burning cup inner wall (22), lower extreme one side of burning cup outer wall (21) sets up sensor line interface (25), the signal line of temperature sensor (24) is worn out by sensor line interface (25) after passing through between burning cup outer wall (21) and burning cup inner wall (22), the lower extreme opposite side of burning cup outer wall (21) sets up electric heat silk thread interface (27), the power cord of electric heating wire (23) is worn out by the position of electric heat silk thread interface (27) after between burning cup outer wall (21) and burning cup inner wall (22), the lower extreme setting of burning cup inner wall (22) fuel input interface (26), fuel input interface (26) and fuel lift output end (8) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220853726.XU CN218685965U (en) | 2022-04-13 | 2022-04-13 | Gaseous fire extinguishing agent fire extinguishing performance testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220853726.XU CN218685965U (en) | 2022-04-13 | 2022-04-13 | Gaseous fire extinguishing agent fire extinguishing performance testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218685965U true CN218685965U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220853726.XU Active CN218685965U (en) | 2022-04-13 | 2022-04-13 | Gaseous fire extinguishing agent fire extinguishing performance testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218685965U (en) |
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2022
- 2022-04-13 CN CN202220853726.XU patent/CN218685965U/en active Active
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