JPS647816B2 - - Google Patents

Description

[Detailed description of the invention]

The present invention is a heating device that comes into contact with a fume generating agent that generates fumes such as a smoke generating agent through combustion or decomposition, and heats the fume generating agent through heat generation and heat transfer, leading to decomposition and smoke generation. The present invention relates to a smog generation device having: Conventionally, in order to decompose a smoke generating agent and generate smoke, a method has been used in which an ignition composition is brought into direct contact with the smoke generating agent, and the composition is ignited by combustion. For example, there is a smoke generating device as shown in FIG. 1, a smoke generating device container 1 is filled with a smoke generating agent 2, a Matsutachi drug composition 3 is placed in the center, and a lid 4 is placed.
A portion of it was exposed in the center. In order to operate the device shown in Fig. 1, the exposed Matsutachi drug composition 3 is rubbed with a plate coated with the Matsuthi drug composition, and the Matsutichi drug composition 3 ignites, and then the smoke generating agent 2 decomposes. , it was emitting smoke. In addition, there was a method in which the matchstick composition 3 was ignited by bringing a lit matchstick close to it, and then the smoke generating agent 2 was decomposed and smoked. According to these methods, the decomposition reaction occurs rapidly,
In some cases, it may burn with flames, making it impossible to achieve the desired smoke-producing effect. In addition, since the pineapple drug composition was exposed, it absorbed moisture and sometimes did not ignite at all, or sometimes the flame went out midway through. The present invention is a device developed to eliminate the drawbacks of the conventional devices. It generates heat that retains heat for a long time, and transmits this heat through a ceramic container to decompose the fume generator and generate smoke. This is a smoke generating device that has a heating device that includes a heat generating agent and an igniter inside a ceramic container. That is, the present invention provides metal,
The ceramic container is filled with an exothermic agent consisting of a metal oxide and a combustion stabilizer that generate heat by reacting with the metal, and a igniter is attached to one end of the ceramic container to ignite the exothermic agent when energized. This is a smog generator having a heating device for bringing the smog generator into contact with and heating it. The material of the ceramic container mentioned here is a ceramic product such as earthenware or porcelain, and generally has a small heat transfer coefficient. As the metal constituting the exothermic agent, one or more metals such as aluminum, magnesium, nickel, and silicon iron are used, and as the metal oxide that generates heat by reacting with the above metals, copper oxide, iron oxide, One or more types of metal oxides such as lead oxide are used, and the combustion stabilizer has the effect of suppressing the rise in the exothermic temperature of the exothermic agent and at the same time maintaining the exothermic temperature, such as aluminum oxide, bentonite, talc, etc. One or more types selected from the group are used. Many of these components are mixed and pressed into powder form, used as-mixed, or made into compositions by other methods, but from the viewpoint of handling and workability, they are made into granules using water glass or nitrified cotton. It is best to use it after weighing and squeezing it. As a igniter, an ignition charge such as a combination of barium chromate and boron, or a combination of copper oxide and aluminum is filled around a heating wire, and the ignition device is ignited by energizing it by contact with a battery, etc. Alternatively, it is possible to use a device filled with and fixed with ignition powder and ignited by a spark caused by friction, such as a lighter stone. Next, embodiments of the present invention will be described with reference to the drawings.
FIG. 2 is an enlarged sectional view of the heating device of the smog generation device according to the present invention, and FIG. 3 is a sectional view showing an example of the smog generation device of the present invention. In FIG. 2, a heat generating agent 6 is filled into a ceramic container 5, and an igniter 7 is inserted from the top. Inside the igniter 7, there is a heating wire 8 at the upper center, and the surrounding area is filled with igniter 9. Both ends of the heating wire 8 are connected to a positive electrode contact terminal 10 and a negative electrode contact terminal 11 with conductive wires, and a dry battery is connected to the heating wire 8. (not shown), the positive terminal of the dry battery is connected to the positive terminal contact terminal 1.
0, and the portion (negative electrode) from which the coating on the side surface of the dry cell battery is removed comes into contact with the negative electrode contact terminal 11. 12 is a ceramic container 5
and a holder for holding the igniter 7, and a third
It is adapted to fit with the smoke generator container 1 as shown in the figure. 2 is a fuming agent. Note that the holder 12 may be made of resin, ceramic, or metal. The operation of the heating device of the present invention will be explained with reference to FIGS. 2 and 3. When a dry battery is inserted vertically from above and its both terminals are brought into contact with the positive contact terminal 10 and the negative contact terminal 11, electricity is applied, the exothermic wire 8 becomes red hot, the ignition powder 9 ignites, and the flame causes the exothermic agent 6 to ignite. An oxidation-reduction reaction, that is, combustion, of the metal occurs, and the generated heat is transmitted to the smoke generating agent 2 through the wall of the ceramic container 5, and the smoke generating agent 2 causes gradual thermal decomposition without causing rapid combustion, and generates smoke. Then, smoke blows out from the smoke outlet 13. According to the conditions of use, if the exothermic agent 6 does not contain a twisting stabilizer, its combustion will end within 5 seconds, but if it contains a combustion stabilizer and is pressed, it will finish burning within 10 seconds. Since the exothermic agent 6 remains red hot for about 20 seconds, the ceramic container 5 is heated and its outer surface temperature can be maintained at 250° C. or higher for a long period of time.
The smoke generating agent 2 generates heat when a portion of it begins to undergo a decomposition reaction, so the decomposition automatically proceeds, so there is no need to keep the heating device at a high temperature for a long time. In addition, the part of the heating device in which the exothermic agent 6 is housed is completely sealed by the igniter 7 and the holder 12, and since the exothermic agent 6 does not generate decomposed gas and combustion occurs gradually, there is no flame or No smoke comes out. Therefore, it is possible to almost prevent heat dissipation. In addition, the red hot state of exothermic agent 6 is 10
If you want to keep it for 20 seconds, use ceramic container 5.
Since the surface temperature of the smoke generating agent 2 can be maintained at 250° C. for more than 1 minute, the smoke generating agent 2 can be reliably thermally decomposed. However, on the other hand, since the surface temperature of the ceramic container 5 does not become extremely high, the smoke generating agent 2 does not reach a local high temperature and does not burn to produce a flame. Next, the present invention will be explained in more detail with reference to Examples and Comparative Examples. Example 1 Exothermic agent having the composition shown in Table 1 (Exothermic agent composition)
1 g was press-molded into a cylindrical shape and placed in the ceramic container 5 of the heating device shown in FIG. The material of the ceramic container 5 is earthenware, and its outer diameter is 15 mm.
mm, height was 16 mm, and wall thickness was 3 mm. Such a heating device was placed in the smoke generator shown in FIG.
This smoke generating device contained a smoke generating agent 2 consisting of 16% by weight of lactose, 31% by weight of potassium chlorate, 53% by weight of auramine, and 5% by weight of rubber liquid. Next, the heating wire 8 is energized by a dry battery, the igniter 7 is used to ignite the exothermic agent 6, and the time required for the temperature to rise from the start of ignition of the ceramic container 5 to 250°C (heating time), the maximum temperature, The time for which the temperature was maintained at 250° C. or higher, the time until smoking started (smoking start time), and the temperature change on the outer surface of the ceramic container 5 were measured using a surface thermometer and a stopwatch. The measurement results are shown in Table 2 (test results), and the temperature change on the outer surface of the ceramic container 5 is shown in FIG. Example 2 A test was conducted in the same manner as in Example 1 using 1 g of exothermic agent having the composition shown in Table 1. The test results were as shown in Table 2. Example 3 A test was conducted in the same manner as in Example 1 using 0.8 g of the exothermic agent having the composition shown in Table 1. however,
The ceramic container had an outer diameter of 15 mm, a height of 16 mm, and a wall thickness of 2 mm. The test results were as shown in Table 2. Example 4 A cylindrical ceramic container with an outer diameter of 30 mm, a height of 20 mm, and a wall thickness of 4 mm was filled with 4 g of exothermic agent having the composition shown in Table 1, and tested in the same manner as in Example 1. The test results were as shown in Table 2. Comparative Example 1 When a lighted matchstick is brought close to the matchstick composition 3 of the smoke generating device shown in FIG. It erupted violently for 2 to 3 seconds and started smoking. Other results were as shown in Table 2. Comparative Example 2 Using 1 g of exothermic agent having the composition shown in Table 1, preparation and testing were carried out in the same manner as in Example 1, but the temperature was too high and smoke was generated, but the ceramic container 5 was destroyed. The test results were as shown in Table 2.

【table】

[Table] As is clear from the above examples, the heating device used in the present invention can maintain temperatures between 250°C and 500°C, and the smoking start time is between about 10 seconds and about 20 seconds. On the other hand, those that directly ignite as in Comparative Example 1 have a shorter smoke start time, and Comparative Example 2
Products that do not contain combustion stabilizers, such as those that do not contain combustion stabilizers, will have too high a combustion temperature and the ceramic container will be destroyed due to thermal distortion. As explained in detail above, the smog generating device having the heating device of the present invention decomposes the smog generating agent and generates smoke without generating flames, and is resistant to moisture, so it is used by an unspecified number of people. It is the best thing to do.

[Brief explanation of the drawing]

Figure 1 is a sectional view of an example of a conventional smoke generator, Figure 2
The figure is an enlarged sectional view of the heating device of the smog generation device according to the present invention, FIG. 3 is a sectional view showing an example of the smog generation device of the present invention, and FIG. 4 is the surface temperature of the ceramic container of Example 1. It is a graph showing changes in. 5: ceramic container, 6: exothermic agent, 7: igniter, 8: exothermic wire, 9: igniter, 12: holder.

Claims (1)

[Claims] 1 A ceramic container is filled with an exothermic agent consisting of a metal, a metal oxide that generates heat when it reacts with the metal, and a combustion stabilizer, and an exothermic agent for igniting the exothermic agent that ignites when energized is placed on the open side of the ceramic container. A smoke generating device having a heating device equipped with an igniter.