CN209745851U - Foam extinguishing agent thermal stability tester - Google Patents
Foam extinguishing agent thermal stability tester Download PDFInfo
- Publication number
- CN209745851U CN209745851U CN201920332867.5U CN201920332867U CN209745851U CN 209745851 U CN209745851 U CN 209745851U CN 201920332867 U CN201920332867 U CN 201920332867U CN 209745851 U CN209745851 U CN 209745851U
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- CN
- China
- Prior art keywords
- test chamber
- thermocouple
- heating
- thermal stability
- extinguishing agent
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Abstract
The utility model discloses a foam extinguishing agent thermal stability apparatus, include the test chamber and set up in the heating controller of test chamber top, the heating plate is installed on the inside top of test chamber, the heating plate below is equipped with carries the thing disc, carry the one end fixed connection of thing disc bottom and cylindric lifter, the other end of cylindric lifter passes test chamber bottom and sets up the elevating platform fixed connection in the test chamber below, it is equipped with a plurality of thermocouple sticks that are used for fixed thermocouple to carry the week of thing disc to be equipped with, the bottom at the test chamber is fixed to the lower extreme of thermocouple stick, heating plate and thermocouple all with the heating controller electricity is connected. The utility model discloses a heating display panel sets up different temperatures to and adjust the heating plate and survey the stability of foam extinguishing agent under different heating condition through the elevating platform with the distance of carrying the thing disc, the foam thermal stability performance that tests out is more directly perceived and has reflected the fire extinguishing performance and the anti fever performance of foam extinguishing agent effectively.
Description
Technical Field
The utility model relates to a foam extinguishing agent thermal stability testing arrangement's technical field, specific saying so relates to a foam extinguishing agent thermal stability apparatus.
Background
At present, the foam extinguishing agent is widely applied to aviation fire fighting, oil fire fighting, factory fire fighting and urban fire fighting, and plays an important role in modern fire rescue. There are many factors that affect the fire extinguishing performance of the foam fire extinguishing agent, such as surfactants, foaming members, gas-liquid mixing ratio, flow rate, etc. The thermal stability is taken as an important index, and is mainly determined by the survival time of the foam at a certain temperature of the foam extinguishing agent per se. The better the thermal stability, the longer the liquid separation time, the more stable the foam, the better the thermal insulation and protection performance of the foam, the better the fire extinguishing effect, and the longer the time required for the re-combustion of the fire. The foam stability is measured by measuring the liquid separation time of the foam, however, the experiments are generally carried out at ambient temperature, and the stability of the foam in a heating state is difficult to judge.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the present invention provides a thermal stability tester for foam extinguishing agents.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a foam extinguishing agent thermal stability apparatus, includes the test chamber and sets up in the heating controller of test chamber top, the heating plate is installed on the inside top of test chamber, the heating plate below is equipped with carries the thing disc, carry the one end fixed connection of thing disc bottom and cylindric lifter, the other end of cylindric lifter passes test chamber bottom and sets up the elevating platform fixed connection in the test chamber below, it is equipped with a plurality of thermocouple sticks that are used for fixed thermocouple to carry the week of thing disc, the bottom at the test chamber is fixed to the lower extreme of thermocouple stick, heating plate and thermocouple all with the heating controller electricity is connected.
In the technical scheme, a support is arranged on the thermocouple rod, one end of the support is sleeved on the thermocouple rod and fixed through a bolt, and the other end of the support is fixedly connected with the thermocouple.
In the above technical scheme, the lifting platform is a mechanical lifting platform.
in the technical scheme, the lifting platform 6 comprises an input shaft (6-1), an oil seal (6-2), a bearing (6-3), a box body (6-4), a large end cover (6-5), a turbine (6-6), an oil injection ring (6-7) and a screw rod (6-8).
In the technical scheme, the outer wall of the heating controller is provided with a temperature display disc, a heating indicator lamp, a heating button and a power switch, wherein the temperature display disc is used for displaying temperature and adjusting temperature.
In the technical scheme, the cabin frame of the test cabin is formed by welding steel plates, and the cabin wall surface of the test cabin is made of quartz glass materials.
In the technical scheme, a test chamber valve is further arranged on the outer bulkhead on one side of the test chamber.
compared with the prior art, the beneficial effects of the utility model are that:
Compare in the experiment of tradition survey foam stability, the utility model discloses an adjust the temperature of heating plate to and adjust elevating platform and heating plate distance to carry out the constant temperature heating to the foam in beaker or the test tube, observe the crushing speed of foam concentrate, and then reflect the heat stability of foam concentrate. The utility model discloses measure the flammable liquid such as foam thermal stability in-process and do not use solvent oil, do not have the dangerous and environmental pollution nature of conflagration, do not receive the environmental protection restriction, the experiment is developed more easily. The contrast experiment through a large amount of test experiments and with GB15308-2006 fire foam agent anti-burning experiments shows that the foam thermal stability result of utilizing the utility model discloses the anti burning performance of fire foam agent can be reflected out to the foam thermal stability result of test.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a thermocouple rod;
FIG. 3 is a schematic circuit diagram of the present invention;
FIG. 4 is a lifting device;
Description of reference numerals:
1. A test chamber; 2. a heating controller; 2-1, a temperature display disc; 2-2, heating an indicator light; 2-3, heating a button; 2-4, a power switch; 3. heating the plate; 4. a carrying disc; 5. a cylindrical lifter; 6. a lifting platform; 7. a thermocouple; 8. a thermocouple rod; 8-1, a bracket; 9. test chamber valve.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, how to implement the present invention is further explained below with reference to the accompanying drawings and the detailed description.
The utility model discloses based on experimental requirement and method in standard GB15308 supple materials 2009 foam extinguishing agent, designed the thermal stability apparatus, can realize that the temperature is adjusted in certain extent to can adjust the distance of foam apart from the heat source.
As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a pair of foam extinguishing agent thermal stability apparatus, include test chamber 1 and set up in the heating controller 2 of test chamber 1 top, heating plate 3 is installed on the inside top of test chamber 1, heating plate 3 below is equipped with year thing disc 4, carry the one end fixed connection of thing disc 4 bottom and cylindric lifter 5, the other end of cylindric lifter 5 passes test chamber 1 bottom and sets up 6 fixed connection in the lift of test chamber 1 below, be equipped with a plurality of thermocouple sticks 8 that are used for fixed thermocouple 7 in week of carrying thing disc 4, the bottom at test chamber 1 is fixed to the lower extreme of thermocouple stick 8, heating plate 3 and thermocouple 7 all are connected with heating controller 2 electricity. The heating controller 2 is used for controlling the heating plate to heat and receiving temperature information detected by the thermocouple.
As shown in FIG. 2, a support 8-1 is arranged on the thermocouple rod 8, one end of the support 8-1 is sleeved on the thermocouple rod 8 and fixed through a bolt, and the other end of the support 8-1 is fixedly connected with the thermocouple 7.
1. In the utility model, the lifting platform 6 comprises an input shaft (6-1), an oil seal (6-2), a bearing (6-3), a box body (6-4), a big end cover (6-5), a turbine (6-6), an oil injection ring (6-7) and a screw rod (6-8). The iron tray is arranged on the top of the lifting platform and is mainly used for lifting the disc, so that the distance between foam and a heat source can be conveniently controlled, and the temperature can be controlled.
The lifting platform 6 can also be a small hydraulic lifting platform commonly used in the market.
As shown in fig. 1 and 3, a temperature display panel 2-1, a heating indicator lamp 2-2, a heating button 2-3 and a power switch 2-4 are arranged on the outer wall of the heating controller 2 for displaying and adjusting the temperature, and the temperature display panel 2-1, the heating indicator lamp 2-2, the heating button 2-3 and the power switch 2-4 are all electrically connected with the heating controller 2.
The utility model discloses in, test chamber 1 adopts van-type structure, and the cabin frame of test chamber adopts the steel board welding to form, and the bulkhead face of test chamber all adopts the quartz glass material to make, and is visual good, and the experimenter of being convenient for observes the experimental conditions. Meanwhile, a test chamber valve 9 is arranged on the outer chamber wall on one side of the test chamber 1 and used for opening and closing the test chamber and placing a test foam extinguishing agent sample.
In specific implementation, the size of the carrying disc in the test chamber can be designed to be 24cm in diameter, 10cm in height, 3-5cm in thickness and about 5L in capacity, and a certain amount of water film-forming foam extinguishing agent can be contained.
the bottom of the object carrying disc 4 is fixed with the top of the lifting platform 6 through the cylindrical lifting rod 5, and the lifting platform 6 is used for lifting the object carrying disc 4, so that the distance between the foam extinguishing agent and a heat source is conveniently controlled, and the temperature is controllable. A heating plate 3 is arranged above the carrying disc 4 and used for providing heat energy required by the test, and the temperature controllable range of the heating plate 3 is 0-500 ℃; four thermocouple rods 8 are arranged on the periphery of the carrying disc 4, a support 8-1 capable of freely moving up and down is mounted on each thermocouple rod 8, a thermocouple 7 is arranged according to the position height of the carrying disc 4 during an experiment, and the thermocouple is used for detecting the temperature of the experiment. Wherein, the thermocouple rod 8 is a stainless steel column.
The utility model discloses an instruction for use:
1) Opening a valve 9 of the test chamber, adjusting the height of the object carrying disc 4 required by the test through the lifting table 6, and arranging the thermocouple 7 on the thermocouple rod 8 as required;
2) Placing the foam extinguishing agent to be tested on the carrying disc 4 in the test chamber 1, and closing the valve 9 of the test chamber
3) Turning on a power switch 2-4, setting a required temperature on a temperature display plate 2-1, turning on a heating button 2-3, and paying attention to whether a heating indicator lamp 2-2 is normal or not.
4) And observing the test condition in the test chamber, and recording and analyzing the data.
the utility model discloses a heating principle:
the power switch 2-4 is turned on, the heating controller 2 is turned on, after the temperature required by the experiment is set on the temperature display disc 2-1, the heating button 2-3 is turned on, the heating disc 3 is controlled by the heating controller 2 to heat the experiment chamber 1 so as to provide the temperature required by the experiment of the foam extinguishing agent placed in the object carrying disc 4, the temperature in the experiment chamber 1 is detected in real time through the thermocouple 7, when the temperature reaches the temperature set by the temperature display disc 2-1, the heating controller 2 controls the heating disc 3 to stop heating, and in the whole heating process, the heating indicator lamp 2-2 gives different color indications according to the heating condition in the experiment chamber.
Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (7)
1. A foam extinguishing agent thermal stability tester comprises a test chamber (1) and a heating controller (2) arranged above the test chamber (1), it is characterized in that the top end in the test chamber (1) is provided with a heating plate (3), a loading disc (4) is arranged below the heating plate (3), the bottom of the loading disc (4) is fixedly connected with one end of a cylindrical lifting rod (5), the other end of the cylindrical lifting rod (5) penetrates through the bottom of the test chamber (1) and is fixedly connected with a lifting platform (6) arranged below the test chamber (1), a plurality of thermocouple rods (8) used for fixing thermocouples (7) are arranged on the circumferential direction of the carrying disc (4), the lower end of the thermocouple rod (8) is fixed at the bottom of the test chamber (1), the heating plate (3) and the thermocouple (7) are electrically connected with the heating controller (2).
2. the foam fire extinguishing agent thermal stability tester according to claim 1, wherein a support (8-1) is arranged on the thermocouple rod (8), one end of the support (8-1) is sleeved on the thermocouple rod (8) and fixed through a bolt, and the other end of the support (8-1) is fixedly connected with the thermocouple (7).
3. A foam fire suppressant thermal stability tester according to claim 1 characterized in that said lifting stage (6) is a mechanical lifting stage.
4. the foam fire extinguishing agent thermal stability tester according to claim 1, wherein the lifting platform (6) comprises an input shaft (6-1), an oil seal (6-2), a bearing (6-3), a box body (6-4), a large end cover (6-5), a turbine (6-6), an oil injection ring (6-7) and a screw rod (6-8).
5. the foam fire extinguishing agent thermal stability tester according to claim 1, wherein a temperature display plate (2-1) for displaying temperature and adjusting temperature, a heating indicator lamp (2-2), a heating button (2-3) and a power switch (2-4) are arranged on the outer wall of the heating controller (2).
6. The foam fire extinguishing agent thermal stability tester according to claim 1, wherein the chamber frame of the test chamber (1) is welded by steel plates, and the chamber wall surface of the test chamber (1) is made of quartz glass material.
7. a fire foam thermal stability tester according to claim 1 wherein a test chamber valve (9) is provided on an outer chamber wall on one side of the test chamber (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920332867.5U CN209745851U (en) | 2019-03-16 | 2019-03-16 | Foam extinguishing agent thermal stability tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920332867.5U CN209745851U (en) | 2019-03-16 | 2019-03-16 | Foam extinguishing agent thermal stability tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209745851U true CN209745851U (en) | 2019-12-06 |
Family
ID=68717119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920332867.5U Expired - Fee Related CN209745851U (en) | 2019-03-16 | 2019-03-16 | Foam extinguishing agent thermal stability tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209745851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813746A (en) * | 2019-03-16 | 2019-05-28 | 中国民用航空飞行学院 | A kind of fire foam thermal stability determination instrument |
-
2019
- 2019-03-16 CN CN201920332867.5U patent/CN209745851U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813746A (en) * | 2019-03-16 | 2019-05-28 | 中国民用航空飞行学院 | A kind of fire foam thermal stability determination instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 |