JPS62299610A - Infrared ray composite radiation stove - Google Patents

Abstract

PURPOSE:To improve the thermal radiation efficiency and give a sterilizing effect by far infrared rays by providing a secondary infrared ray radiation means by means of ceramic coating film which is heated through thermal conductivity by a primary infrared ray radiation means that is heated by a burner part. CONSTITUTION:An infrared ray radiation means 12 consisting of a metallic tube etc. is disposed above a burner part 11, and a far infrared ray radiation means 13 is disposed above the afore-said. The inside of a heat-resistant retainer tube 13a of the far infrared radiation means 13 is coated with a highly efficient infrared ray absorbing ceramic paint 13b, and its outside is coated with a highly efficient far infrared ray radiation ceramic paint 13c. This heat-resistant inorganic adhesive paint uses alkaline metallic salts or phosphate salt (acid) group. If oxidization is to be prevented, a coating having silicon alkoxide as a primary constituent is applied and fired. An infrared ray reflecting means 14 has a coated film 14b made from fine powders of aluminum or stainless steel on the substrate 14a.

Description

Detailed Description of the Invention 3. Detailed Description of the Invention (Field of Industrial Application) The present invention relates generally to stoves, and particularly to stoves that apply infrared rays.

In particular, a far-infrared radiation function is added to a conventional near-infrared stove, and for this purpose, measures such as providing a ceramic coating on the infrared reflection surface, radiation surface, and absorption surface are added.

(Conventional technology) In ancient times, stoves allowed the heated air to escape upwards, which was useful for convection heating.

The radiant type does not serve the purpose of directly heating the human body quickly. Additionally, radiant stoves were inherently inefficient. In addition, near-infrared stoves are already in use that include so-called red light, which has a short wavelength and is emitted by metal or a type of ceramic mesh that becomes red hot due to the combustion flame of oil, gas, etc.

Infrared rays with short wavelengths penetrate the human body shallowly compared to infrared rays with long wavelengths, and the temperature gradient on the skin is steep, giving a burning sensation, but far infrared rays with long wavelengths give a gentle warming sensation. In addition, far infrared rays in the wavelength range of 4 μm or more have resonance absorption with organic molecules, which warms the inside of the body better than the feeling of warmth. Attempts are being made to incorporate this characteristic of far-infrared rays into infrared stoves.

(Problem that the invention sought to solve) However, in conventional infrared stoves, radiation is emitted in unnecessary directions and unnecessary objects are heated, which is then converted into radiation through heat conduction, convection, etc. It will be a loss.

Radiation efficiency in the required direction is poor. Furthermore, there were also problems with durability due to the heating of the stove itself.

In particular, there were not enough improvements to prevent the heat energy from the stove from escaping upwards. That is, due to the rise in temperature of the ceiling of the stove, an expensive heat enameling process or the like had to be applied.

(Means for solving the problem) Therefore, among the ceramic coatings that have recently begun to be developed and put into practical use, we have developed a coating that has particularly excellent functions such as absorption, radiation, and reflection of infrared rays, and has completely inorganic coatings that have excellent heat resistance and corrosion resistance. By using a highly durable ceramic coating, we have achieved an invention that dramatically improves the performance of conventional infrared stoves, particularly in terms of efficiency, durability, and reduction of carbon oxides. In particular, without increasing the total amount of energy used by conventional stoves, we can significantly increase the number of infrared & I irradiators in the direction of the stove's intended irradiation, and improve the quick sensitivity of conventional near-infrared heat. This is an efficient application of the features of far-infrared rays, such as thermal warmth and penetrating properties.

The specific configuration of the infrared composite radiation stove according to the present invention will be described below.

The present invention consists of four inventions, all of which relate to infrared stoves. First of all, the first invention is a composite device that, in addition to conventional infrared radiation means (one that mainly emits near-infrared radiation), is further provided with a (second) infrared radiation means that is heated by thermal conduction and mainly emits far-infrared radiation. It has a type of infrared radiation emitting means. And the second invention is...

The second infrared ray emitting means of the first invention generates heat by absorbing infrared rays, thereby mainly emitting far infrared rays. Furthermore, the third invention is
This invention adds an infrared reflecting means to the first invention. This allows infrared rays to be reflected in the required direction.

Finally, the fourth invention is the same as the third invention, in which infrared reflecting means is added to the second invention. Due to this.

Infrared rays should be reflected in the necessary direction.

Therefore, the specific structure of the infrared composite radiation stove according to these inventions will be described in detail below. All inventions below are related to infrared stoves.

First, there is the first invention. This has a combustion section. A -order external ray radiating means is provided at a position heated by the combustion section. Finally, a ceramic coating or the like provided at a position heated by heat conduction (including heat conduction by convection) from this primary infrared ray radiation means, such as above or around this primary infrared ray radiation radiation means, or both positions. It consists of one or more coated secondary infrared radiation means.

Next is the second invention. In this, the secondary infrared ray emitting means of the first invention is made of something that generates heat by absorbing infrared rays. That is, first, there is a combustion section. In the position heated by this combustion part.

- second optical external radiation emitting means are provided; lastly.

A secondary infrared ray emitting means, such as a ceramic coating, is provided at a position above or around or both of the primary infrared ray emitting means and generates heat thereby. It consists of one or more.

Furthermore, this is a third invention. Since this is a configuration in which an infrared reflecting means configured using fine metal powder, ceramic paint, metal plate, etc. is added to the first invention, the entire configuration of the first invention is incorporated herein. This infrared reflecting means is configured to reflect infrared rays from one or both of the nine above-mentioned infrared ray emitting means in a necessary direction.

Finally, there is a fourth invention. This is also a configuration in which an infrared reflecting means configured using a coating film containing fine metal powder or fine ceramic powder, a metal plate, etc. is added to the second invention, so the entire configuration of the second invention will be described here. I will use it. Then,
This infrared reflecting means is configured to reflect infrared rays from one or both of the above infrared radiating means in a desired direction.

In addition, the above-mentioned inventions have the above basic configuration, and if they have at least these basic configurations, in addition to these configurations, 9 reflection, absorption/conduction/radiation, etc. Just to be sure, all configurations that are repeated multiple times are also included in the present invention. Therefore, reflection, absorption/conduction/radiation in this case includes not only direct reflection to the human body, but also reflection to the above-mentioned components.

(Function) Since the infrared composite radiation stove according to the present invention has one or more configurations, the following effects occur.

First, in the first invention, nuisance near-infrared rays are mainly radiated from the primary infrared ray radiating means provided at a position heated by the combustion section. Furthermore, a secondary infrared ray radiating means is provided above or around this primary infrared ray radiating means, that is, in a position where it is heated by direct conductive heat from this primary infrared ray radiating means or conductive heat from convection of heated air. Since it is heated with heated air or the like, far-infrared rays, which are useful for the human body and have strong penetration power, are emitted from here.

Next, regarding the second invention, the secondary infrared radiation means of the first invention is only slightly different from the first invention, that is, the secondary infrared radiation means of the first invention is located at a position heated by the combustion part. The provided primary infrared radiation means emit mainly nuisance near-infrared radiation. Furthermore, the secondary infrared ray radiating means installed above or around this primary infrared ray radiating means, that is, in a position where it generates heat by absorbing infrared rays from this primary infrared ray radiating means, generates heat with the infrared rays, and therefore Far-infrared rays, which are useful for the human body and have strong penetration power, are mainly emitted from the infrared rays.

Furthermore, effects specific to the third invention will be described. This is because the infrared reflecting means reflects infrared rays from one or both of the primary and secondary infrared radiation means of the first invention in a necessary direction. The rest is the same as the first invention.

Finally, effects specific to the fourth invention will be described. Also in this case, the primary and secondary infrared reflecting means of the second invention reflect infrared rays from one or both of the third infrared ray emitting means in the necessary direction.

The rest is the same as the first invention.

As mentioned above, in the case of a configuration involving one reflection or a plurality of absorption/transmission radiation, the above-mentioned effects are of course added to them.

(Embodiment) The infrared composite radiation stove according to the present invention will be described in detail below using one embodiment thereof and together with the accompanying drawings showing the same.

FIG. 1 is a perspective view showing an entire embodiment of an infrared composite radiation stove according to the present invention.

FIG. 2 shows an end view of an enlarged side cross section of the combustion section.

First, there is a combustion section 11 that burns oil or gas, which is a hybrid of the first invention and the second invention (see Fig. 2). A primary infrared radiation means 12 made of a metal tube or the like is provided above the combustion section 11. Furthermore, above this primary infrared rays radiating means 12, far infrared rays radiating means 13 is provided (see FIG. 1). As shown in the enlarged perspective cross-sectional view of the part, an efficient infrared absorbing ceramic paint +3b is coated on the inside of the heat-resistant holding cylinder 13a, and an efficient far-infrared emitting ceramic paint +3c is coated on the outside. It has become. Incidentally, this far-infrared ray emitting means 13 can be applied not only above the primary infrared ray emitting means 12 as described above, but also anywhere as long as it is heated. Therefore, by applying ceramic paint to the metal parts of the combustion tube of the stove, it is also possible to use the metal parts as far-infrared radiation emitting means.

Incidentally, this ceramic paint can be selected from conventionally well-known ceramic paints. This is composed of fine ceramic powder and a heat-resistant binder.

This binder preferably has good infrared radiation efficiency and protects the metal surface from oxidation.

Incidentally, many of these heat-resistant inorganic adhesive paints are based on alkali metal salts or vA acid salts (acidic). For example, Toagosei Co., Ltd.'s ceramic adhesive is one example. However, the heat-resistant inorganic paint used for this bonding tends to form pinholes when used at high temperatures, and oxidation prevention cannot provide sufficient protection. Therefore, when oxidation prevention is required, a coating that forms a dense film with no pinholes, such as a metal alkoxide-based coating, generally silicon alkoxide as the main component, is used, and the coating is heated at 100°C to 300°C. So 10
The ceramic amorphous paint may be applied and impregnated with the inorganic paint film serving as the adhesive by baking for 30 minutes to 30 minutes.

This can also be heated (100°C to 300°C) (the higher the temperature, the faster the reaction will be completed and the harder it will be).

As described above, it is protected by a non-pinhole film of this ceramic amorphous paint.

It prevents high temperature oxidation and becomes stable and durable.

Using the above-mentioned paint as a binder, fine powders (00
, 1 μm-10 μm), mica, potassium titanate, etc. can also be used.

Next, there are third and fourth inventions. Since this is a configuration in which the infrared reflecting means 14 is added to each of the first invention and the second invention, all of the respective configurations of the first invention and the second invention are incorporated herein. The infrared reflecting means 14 may be a conventional reflecting plate made of stainless steel or the like, but in this case, when the temperature is high, it will oxidize over time and its reflectance will drop rapidly, so it may be made of silica made by the metal alkoxide method. It is preferable to protect the infrared ray reflecting means 14 by coating it with a 78 film (1 to 6 μm). In No. 14, a coating film 14b made of fine powder of aluminum, stainless steel, etc. (flake-like is better) was provided on a substrate 14a. The binder was a metal alkoxide-based binder as described above.

The surface of the infrared reflecting means 140 described above is flat, but in another embodiment, the surfaces of the top plate 15 (Fig. 5a) and the bottom plate 16 are 1
When 5a and 16a are shaped like waves, especially triangular waves, the direction of reflection of infrared rays can be changed from vertical to horizontal. especially,
If the surface of this top plate portion 150 is a convex surface, infrared rays may be diffused as shown in the end view of a partial side cross section of this portion shown in FIG.

As a further embodiment, as shown in the side sectional view shown in FIG. 7a and the front view shown in FIG. It may be of.

As another embodiment, as shown in a perspective view in FIG. 8, the primary infrared radiation means 12 is dome-shaped,
The far-infrared radiation means 14, which is the secondary infrared radiation radiation means, may have a cylindrical shape as described above.

(Effects of the Invention) Since the infrared composite radiation stove according to the present invention has a configuration of 0 or more, the objective has been achieved and the heat radiation efficiency has been increased.

Furthermore, the sterilizing effect of far infrared rays, which has recently become clear, is imparted to heating appliances.

In this way, the amount of heat lost through convection or conduction is converted into the amount of radiant infrared energy in the required direction (usually forward), significantly increasing the amount.

In particular, short-wavelength infrared rays lighten the wavelength conversion process of absorption → heating → long-wavelength infrared radiation, thereby increasing the amount of far-infrared (long-wave) radiation. In this way, due to the zero-reflection and secondary feedback of radiation, the amount of infrared rays returned to the combustion part increases significantly, and activation occurs due to decreased resonance with the intramolecular vibration of CO, which facilitates bonding with oxygen. , reducing incomplete combustion. Furthermore, we have developed radiation surfaces that actively utilize convection, conduction, and radiation (for example, *-shaped 0 box-shaped 1-sided,
! In addition to the conventional radiation that mainly emits near-infrared rays, a long-wavelength radiation part is created to significantly increase the amount of long-wavelength radiation.

As described above, the benefits of the present invention include a significant reduction in the amount of fuel used or a significant increase in the amount of radiation from the same fuel. others.

■ Energy saving ■ Extending the lifespan of the stove ■ - Reducing damage caused by carbon oxide ■ Reducing air pollution, etc. This will have major effects, contributing not only to individuals but also to social benefits.

[Brief explanation of drawings]

FIG. 1 shows a perspective view of an embodiment of an infrared composite radiation stove according to the present invention. FIG. 2 shows an end view of an enlarged side cross section of the combustion section. FIG. 3 shows an enlarged perspective cross-sectional view of the far-infrared ray emitting means. FIG. 4 shows an enlarged side sectional view of the vertical infrared reflector. FIG. 5 is a partial side cross section of another embodiment, and FIG.
The figure shows the vicinity of the top plate, and Figure 5b shows the vicinity of the lower plate. FIG. 6 is an end view, partially in side section, of yet another embodiment. FIG. 7 shows still another embodiment thereof, in which FIG. 7a is a side sectional view thereof, and FIG. 7b is a front view thereof. FIG. 8 shows a perspective view of another embodiment. 10... Infrared stove 11... Combustion part 12...
・Primary infrared radiation means 13...far infrared radiation emission means 14...infrared reflection plate 15...top plate 16...
lower board

Claims (15)

[Claims] (1) In an infrared stove, a combustion section, a primary infrared radiation means provided at a position heated by the combustion section, and a position heated by heat conduction (including heat conduction by convection) from the primary infrared radiation means An infrared composite radiation stove characterized by comprising a secondary infrared ray radiation means using a ceramic coating film or the like. (2) In an infrared stove, a combustion section, a primary infrared radiating means provided at a position heated by the combustion section, and generating heat by absorbing infrared rays (directly or reflected) from the primary infrared radiating means An infrared composite radiation stove characterized by comprising a secondary infrared ray radiation means such as a ceramic coating provided at a certain position. (3) In an infrared stove, a combustion section, a primary infrared radiation means provided at a position heated by the combustion section, and a primary infrared radiation means provided at a position heated by heat conduction (including heat conduction by convection) from the primary infrared radiation means. and an infrared reflecting means for reflecting infrared rays from the secondary infrared ray emitting means and/or the above-mentioned primary infrared ray emitting means in a necessary direction. Infrared combined radiation stove. (4) In an infrared stove, a combustion part, a primary infrared radiation means provided at a position heated by the combustion part, a ceramic coating film provided at a position generating heat by absorbing infrared rays from the primary infrared radiation means, etc. 1. An infrared composite radiation stove comprising: a secondary infrared ray radiation means; and an infrared reflection means that reflects infrared rays from the secondary infrared radiation means and/or the primary infrared radiation means in a necessary direction. (5) The infrared composite radiation stove according to claim 1, 2, 3 or 4, wherein the combustion section is for gas. (6) The infrared composite radiation stove according to claim 1, 2, 3 or 4, wherein the combustion section is for petroleum. (7) The infrared composite radiation stove according to claim 3 or 4, wherein the infrared reflecting means is made of a coating film containing fine metal powder as a pigment. (8) The infrared composite radiation stove according to claim 7, wherein the metal fine powder is a flake-like fine powder. (9) Claim 7, characterized in that the infrared reflecting means is composed of a coating film containing a pigment made of fine powder of ceramic, fine powder of titanium oxide, fine powder of potassium titanate, or a mixture thereof. Infrared combined radiant stove. (10) The infrared composite radiation stove according to claim 1, 2, 3 or 4, wherein the infrared reflecting means has a flat surface. (11) The infrared composite radiation stove according to claim 1, 2, 3 or 4, wherein the infrared reflecting means has a wavy surface. (12) The infrared composite radiation stove according to claim 11, wherein the infrared reflecting means has a triangular wave-like surface. (13) The infrared composite radiation stove according to claim 1, 2, 3, or 4, wherein the surface of the top plate portion of the infrared reflecting means has a convex lens shape. (14) The primary infrared radiation means and the secondary infrared radiation radiation means are
The infrared composite radiation stove according to claim 1, 2, 3 or 4, characterized in that it has a rectangular shape. (15) The infrared composite radiation stove according to claim 1, 2, 3 or 4, wherein the primary infrared radiation means is dome-shaped and the secondary infrared radiation radiation means is cylindrical.