JPH1067568A - Ceramic art furnace - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lightweight one-man portable ceramic art kiln by forming a structure in which members prepared by forming ceramic fibers into a cylindrical or a disklike shape are stacked in the form of building blocks in a kiln vessel and producing a burner flame in a tornadic shape in the tangential direction of the cylindrical kiln. SOLUTION: This ceramic art kiln is obtained by forming a structure of building blocks in which the interior of a kiln vessel 1 is provided with both a structure of fuel holes 4, a refractory wall 5 and a heat insulating and retaining wall 6 stacked on a bottom plate 3 and a bottom heat insulating and retaining material 2 respectively prepared by forming ceramic fibers into members and a structure of a space between the refractory wall 5 and heat insulating and retaining wall 6 or the refractory wall 5 and the kiln vessel 1 stuffed with the ceramic fibers. The members 1 to 4 are obtained by stacking and bonding the monolithic ceramic fibers together with sheets of paper and forming the resultant materials into the shape of boards or pipes. The one to plural burner fuel holes 4 are installed in contact with the refractory wall 5 on the right side under the inner wall of the cylindrical kiln in the direction at right angles from the diametral direction so as to produce a tornadic rising flame. Thereby, the lightweight, undivided and inexpensive ceramic art kiln, portable by one person and capable of withstanding long-term use without causing the damage even when shrinking the ceramic fibers at high temperatures is realized according to the structure.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention does not require a dedicated kiln or a building or room for firing, and can carry a pottery kiln alone from a storage location to a safe place where there is no fear of fire. It relates to a potable pottery kiln that can be fired and can be fired by one person.

[0002]

2. Description of the Related Art A conventional pottery kiln is a stationary type made mainly of refractory bricks, and is used for commercial and professional potters.
It weighs more than kilograms, and it is extremely difficult to move it by hand with only one person.Even if it is moved by more than one person or a trolley, moving it causes the brick to shift or crack and damages the kiln Therefore, Tonari needed a dedicated kiln, building and room. In addition, even in a plurality of kilns that can be moved, labor for dividing and reassembling the kiln was required, and even a single divided portion weighed 10 to 25 kg. Also expensive,
It also required electrical work, gas piping and heavy propane gas cylinders. For these reasons, under current housing conditions, it was almost impossible for individuals to easily enjoy pottery with a kiln.

[0003]

[Problems to be solved by the invention] As for pottery, the best pleasure of pottery is grilling, as the words "Ichiyaki", "Nichi" and "Sanzai". In the current housing situation, it was a dream to bake it in your own way in your own kiln. The present invention makes pottery kilns hand-held and portable, so there is no need for a dedicated kiln, building or room, some are on the veranda, some are in the garden, some are on the open space, and everyone is casual The aim is to provide a pottery kiln where you can enjoy pottery at a low price.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention uses a stacking structure to prevent damage due to high-temperature shrinkage or movement of a ceramic fiber material and to simplify replacement of a worn part. , Ceramic fiber materials etc. are made into members, the fire resistance, heat insulation, heat retention and improvement and weight reduction are measured.Using a tornado flame, the kiln is used down to the bottom of the kiln to reduce the size of the kiln. Heat flow control shelves are measured by using a cassette cylinder type burner fueled with liquefied butane gas to measure the ease of firing at a safe place by using a burner that uses liquefied butane gas as fuel. And means for increasing the thermal efficiency.

[0005]

[Action] Since the pottery kiln of the present invention has taken the above measures,
No damage due to high temperature shrinkage or movement of the ceramic fiber member occurs.Replacement of the worn part is simple and can be used for a long time.Compact and light in comparison to the firing volume, it is easy to carry by itself without dividing. With excellent thermal efficiency, anyone can enjoy pottery anywhere, anywhere, easily and at low cost.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS The invention will be described in more detail with reference to an embodiment shown in the drawings.

According to the first aspect, the building structure of this kiln is a structure for preparing for the highest defect of high temperature shrinkage of the ceramic fiber material. A bottom plate 3 for support is stacked thereon, and a burner opening 4, a refractory wall 5 and a heat insulating / insulating wall 6 are stacked, and a ceramic fiber fiber 7 is placed between the refractory wall 5 and the heat insulating / insulating wall 6 or between the kiln vessel 1. In the packing structure to be packed, the bottom plate 3 and the fire-resistant wall 5 are not fixed, so that even if the fire-resistant wall 5 contracts, the gap between the bottom plate 3 and the fire-resistant wall 5 is displaced and the fire-resistant wall 5 is not damaged. The same applies because the members are not fixed. In addition, the long-term use makes it possible to easily replace the fire-resistant wall 5 which is inevitably damaged by the direct hit of the flame.
Further, the other members can be easily replaced, and can be used for a long time.

According to the second aspect of the present invention, for example, when a blanket 13 and a paper 12 of band-shaped ceramic fibers having a narrow width are coated with an adhesive material and spirally wound to a required diameter, the thickness is reduced. When a certain disk is formed and a wide band is wound into a hollow, a pipe is formed. The pipe made of paper alone can be made thin. The bottom heat insulating material 2 and the lid heat insulating material 9 are made of a disk, the heat insulating wall 6 is made of a pipe, and the fire wall 5 and the fire hole 4 are made of a paper pipe. The irregular blanket 13 and the paper 12 can be molded as a kiln member, and at the same time, can be given strength. Further, by adjusting the winding pressure, the blanket density can be changed, and the heat insulation performance and strength can be designed according to the purpose.

According to the third aspect of the present invention, a burner opening 4 is provided on the lower right side of the wall of the cylindrical kiln in contact with the refractory wall 5 of the kiln and at right angles to the diameter. Turn left along. If the work is placed a little away from the fire-resistant wall 5 on the bottom plate 3 as well, it is possible to avoid direct hit of the flame and use it effectively to the bottom of the kiln. Flames are also refractory walls 5
Be calm in contact with The flame is raised in a tornado shape while continuing to rotate to the left in a natural sense, and is discharged from the exhaust port 10 of the lid. Conventionally, small gas kilns have a direct flame type from the center of the bottom, and require a dispersion plate and space for dispersing the flame. For this reason, if the firing volume is the same, the tornado flame-producing method has no wasteful space and can be made more compact. In addition, the reduction in size leads to a reduction in weight.

According to the fourth aspect, the conditions as a personal hand-held portable pottery kiln for personal use include a firing volume of 10 liters or more, a temperature of 1200 degrees or more, a weight of 15 kg or less, and Even if these various conditions are the minimum conditions that do not require the labor of divided assembly, no ceramic pottery kiln has ever met these conditions. A firing volume of about 14.7, having the structure of the above claims according to the invention, etc.
The test kiln of 5.5 liters of fireproof, heat-insulated and heat-insulating walls combined with two burners of 250 g / 70 min gas consumption at the temperature of about 1250 degrees Celsius and weighing about 12 kilograms Therefore, you can easily take out the kiln from the storage place to a place where there is no risk of fire, such as a veranda, garden, open space, etc., without having to worry about gas piping, heavy propane cylinders and electric wiring etc. It becomes possible, and since it does not require a dedicated kiln place, building or room, it is possible to enjoy ceramic art more than enough even in the current housing situation, this is the first time in the pottery kiln with unskilled hand-operated hand-held potter according to the present invention. It has become possible.

According to a fifth aspect, a liquefied butane gas of a cassette cylinder type that can be easily obtained as a fuel is provided.
And the burner 14 for this is combined, the liquefied gas is cooled with the vaporization of the liquefied gas, and the gasification is reduced. The kilns were all propane or city gas kilns. The combustion device of the present invention sends the liquid to the burner 14 without vaporizing it in the cylinder and sends it to the burner 14 in order to continuously obtain a large thermal power for the pottery kiln using the liquefied butane gas 15 of the cassette cylinder type. It is obtained by sustaining large heat by vaporizing and burning it.
Burner / cylinder receiver 16.
This is a combustion device including a support 17 and a base 18 and having a holder added thereto.

For example, combining this combustion apparatus with the above-described test kiln having an inner diameter of 25 cm and a height of 30 cm, unglazing includes about 90 minutes using a single burner, including preheating, and about 250 grams of liquefied butane gas. The main baking is performed with a burner of about 750 grams for a total of 140 minutes for 70 minutes with one burner and 70 minutes with two burners.

According to a sixth aspect of the present invention, the shelf is conventionally a simple circular or square shape, and the heat flow rises around the shelf, so that only a part of the heat flow flows into the shelf.
In a high-temperature region exceeding the unbaking temperature, heat transfer is mostly changed to radiation from the high-temperature combustion gas, so that it takes time to raise the temperature and equalize the temperature, resulting in poor efficiency. In order to improve this, the circular shelf is slightly smaller than the inner shape of the kiln, the triangular or quadrant of the perimeter, and the square shelf with the corners as pillars, except for this part. A heat flow control shelf provided with a heat flow path on the periphery or sides or on a plurality of circumferences or sides, which also serves as a hand-held part for taking in and out, wherein the shelf is placed up and down so as to block the heat flow path. If this is the case, the heat flow can be forcibly introduced into the shelf, the radiant heat from the combustion gas can be uniformly received, and the thermal efficiency and temperature uniformity can be improved. In addition, there is no support in the shelf, and the shelf can be widely used.

[0014]

[Effect of the Invention] Because a special kiln, building and room were required, in the current housing situation, bake in your own style with your own kiln.
That was a dream, but in the portable pottery kiln of the present invention, which is non-divided by hand, the pottery kiln can be easily brought out to a veranda, garden, open space, etc. and fired, so anyone, anywhere For the first time, you can bake your own way in your own kiln at a low cost.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.
And an embodiment of claim 4 will be described.

FIG. 2 is a horizontal sectional view of a heating port according to a third embodiment of the present invention.

FIG. 3 is a plan view showing a disk / pipe according to a second embodiment of the present invention.

FIG. 4 is a sectional view showing a disk / pipe according to a second embodiment of the present invention.

FIG. 5 is a side view showing a fifth embodiment of the present invention.

FIG. 6 is a plan view showing a sixth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Kiln container 2 ... Bottom heat insulation material 3 ... Bottom plate 4 ... Fire opening 5 ... Fireproof wall 6 ... Heat insulation wall 7 ... Ceramic fiber fiber 8 ... Lid Vessel 9 ・ ・ ・ Lid thermal insulation material 10 ・ ・ ・ Exhaust port 11 ・ ・ ・ Lower 12 ・ ・ ・ Ceramic fiber paper 13 ・ ・ ・ Ceramic fiber blanket 14 ・ ・ ・ Burner 15 ・ ・ ・ Cassette cylinder type liquefied butane gas 16・ ・ ・ Burner / cylinder holder 17 ・ ・ ・ Post 18 ・ ・ ・ Stand 19 ・ ・ ・ Circular heat flow control shelf 20 ・ ・ ・ Square heat flow control shelf

Claims (6)

[Claims] 1. A bottom heat insulating material (2) and a bottom plate (3) made of ceramic fiber material or the like inside a kiln vessel (1).
・ Fire opening (4) ・ Structure to be stacked on the wall. Also, the wall of the kiln is divided into fireproof wall (5) and heat insulation wall (6), and between them, or fireproof wall (5) and kiln vessel (1) A pottery kiln with a stacking structure, in which ceramic fiber fibers (7) are packed. 2. A pottery kiln having a heat-resistant member formed into a plate or pipe by spirally stacking or bonding an amorphous ceramic fiber blanket (13), paper (12), or the like, alone or in combination. 3. On the lower right side of the wall of the cylindrical kiln, a burner opening (4) at right angles to the diameter in contact with the refractory wall (5) of the kiln,
One or more tornado flaming ceramic pottery kilns. 4. A firing volume of at least 10 liters and a temperature of 120
Lower than 0 degree, weight not more than 15 kg, lowering hand (11)
A portable pottery kiln with non-divided, hand-operated hands. 5. A cassette cylinder type liquefied butane gas (1)
5) combined with a burner (14), a burner cylinder receiver (16) for placing the cylinder in an upright state is mounted on a column (17) provided vertically to the base (18) so as to be adjustable in height. A pottery kiln with a combustion device, with a cylinder inverted combustion holder. 6. A circular shelf plate is divided into three or four equal parts of the circumference, and a square shelf plate is set at one corner or a side, or a plurality of peripheral parts, except for this part with a corner portion as a support. Or, a pottery kiln having a circular heat flow control shelf (19) and a square heat flow control shelf (20) provided with a heat flow passage which also serves as a hand-held portion for taking a shelf in and out.