JP2748131B2 - Pottery furnace - Google Patents
Pottery furnaceInfo
- Publication number
- JP2748131B2 JP2748131B2 JP25820988A JP25820988A JP2748131B2 JP 2748131 B2 JP2748131 B2 JP 2748131B2 JP 25820988 A JP25820988 A JP 25820988A JP 25820988 A JP25820988 A JP 25820988A JP 2748131 B2 JP2748131 B2 JP 2748131B2
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- exhaust passage
- hole
- temperature gas
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Evaporation-Type Combustion Burners (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Details (AREA)
Description
【発明の詳細な説明】 産業上の利用分野： 本発明は、主として、ポット式灯油バーナを使用する
陶芸炉に関する。The present invention relates to a pottery furnace using a pot type kerosene burner.
従来の技術： 陶芸炉には燃料として、灯油を使用するもの、プロパ
ン、都市ガス等のガスを使用するもの等があるが、灯油
の価格がガスの価格の1/4程度であること、灯油がガス
より安全性が高いこと、灯油を燃料とする方が変化に富
んだ焼き上りの作品が得られる等の理由により、アマチ
ュア作家には灯油を燃料とする陶芸炉（灯油窯）が広く
使用されている。2. Description of the Related Art Pottery furnaces use kerosene as fuel and those using gas such as propane and city gas as fuel, but the price of kerosene is about 1/4 of the price of gas. Amateur artists use kerosene-fired pottery furnaces (kerosene kilns) widely for reasons such as safety is higher than gas, and kerosene-fueled fuel can produce a variety of baked works. Have been.
発明が解決しようとする課題： アマチュア作家が上記理由により好んで使用する灯油
窯は還元性雰囲気下の焼成を行おうとすると、黒煙およ
び煤の発生が甚しく、焼成時間も４〜６時間に亘るた
め、住宅地においての使用は実質的に不可能であると言
ってよい。Problems to be Solved by the Invention: Kerosene kilns, which amateur writers prefer to use for the above reasons, generate black smoke and soot when firing in a reducing atmosphere, and the firing time is 4 to 6 hours. Therefore, it can be said that use in residential areas is practically impossible.
課題を解決するための手段： 本発明は、上記課題の解決を意図するもので、酸化性
或いは還元性の高温ガスを発生する灯油バーナの高温ガ
ス導入口を炉の下部に設け、該高温ガス導入口は直接排
気通路へ通ずる孔Ａと炉内に通ずる孔Ｂに連通し、前記
高温ガス導入口の近傍には高温ガスを前記排気通路へ通
ずる孔Ａと前記炉内に通ずる孔Ｂとに分流する分割装置
を設置すると共に、炉底には排気ガスのための煙道を設
け、該煙道は前記排気通路に連通せしめ、該排気通路に
酸化炎生成装置のための空気導入口を設けたことを特徴
とする。Means for Solving the Problems: The present invention is intended to solve the above-mentioned problems, and a hot gas inlet for a kerosene burner that generates an oxidizing or reducing hot gas is provided at a lower portion of a furnace. The inlet communicates with a hole A that directly communicates with the exhaust passage and a hole B that communicates with the furnace. In the vicinity of the high-temperature gas inlet, a hole A that communicates high-temperature gas to the exhaust passage and a hole B that communicates with the furnace are provided. In addition to installing a splitting device, a flue for exhaust gas is provided at the furnace bottom, the flue is connected to the exhaust passage, and an air inlet for an oxidizing flame generator is provided in the exhaust passage. It is characterized by having.
作用： 陶芸炉の焼成作業は、第６図に示す如く、時点t1,t2
間の「あぶりだき」、時点t2,t3間の「攻めだき」、時
点t3,t4間の「ねらし」に分けられ、燃料の供給は時点t
4において断たれる。焼成作業には酸化性雰囲気の下に
おいて行われる酸化焼成と還元性雰囲気の下において行
われる還元焼成とがあり、還元焼成は時点t2,t3間の
「攻めだき」の雰囲気を還元性にして行うものである。
上記本発明による陶芸炉は灯油バーナを使用する従来の
陶芸炉とは異なり、還元焼成時においても黒煙や煤を発
生しないようにされ得るもので、このものにおいては、
「灯油バーナ→炉内空間→排気流路」という経路の下に
流れる還元性高温ガスは排気流路においてそれに含まれ
る可燃分を燃焼させられる。（灯油バーナよりのQ1＋Q2
量の還元性高温ガスの一部としてのQ2量の還元性高温ガ
スは排気流路において空気を添加されて酸化炎を生成
し、炉より出る還元性高温ガスはこの酸化炎により点火
されてそれに含まれる可燃分を燃焼させられて無色また
は無色に近い排気ガスとなる。） 実施例： 第１図は本発明による陶芸炉の１例を示す縦断面図、
第２図は第１図の陶芸炉より炉蓋を外した平面図であ
る。Action: The firing operation of the pottery furnace is performed at time points t 1 and t 2 as shown in FIG.
"Roast fired", "Proactive fired" in the period from the time point t 2, t 3, is divided into "Nerashi" between time t 3, t 4, the fuel supply is time t between
Refused at 4 . The firing operation includes oxidizing firing performed in an oxidizing atmosphere and reduction firing performed in a reducing atmosphere.Reducing firing changes the atmosphere of the “offensive attack” between the time points t 2 and t 3 to be reducing. It is what you do.
The pottery furnace according to the present invention is different from a conventional pottery furnace using a kerosene burner, in which black smoke and soot can be prevented from being generated even during reduction firing, in which:
The reducing high-temperature gas flowing under the route of “kerosene burner → furnace space → exhaust passage” burns combustible components contained in the exhaust passage. (Q 1 + Q 2 of than kerosene burner
Q 2 of the reducing high-temperature gas as a part of the amount of the reducing high-temperature gas is added to the air to generate an oxidizing flame in the exhaust passage, a reducing high-temperature gas exiting from the furnace is ignited by the oxidizing flame The combustibles contained therein are burned to produce colorless or nearly colorless exhaust gas. FIG. 1 is a longitudinal sectional view showing an example of a pottery furnace according to the present invention.
FIG. 2 is a plan view of the pottery furnace of FIG. 1 with a furnace lid removed.
これらの図において、１、２、３および４はそれぞ
れ、炉胴、炉底、炉蓋、煙突である。５は灯油バーナで
炉底２の外部に取り付けられている。灯油バーナ５より
の高温ガスはこのバーナの図示されていない空気吸込口
（シロッコファンの空気吸込口）または煙突４に設けら
れたダンパ６の加減により還元性のものとすることがで
きる。In these figures, 1, 2, 3, and 4 are a furnace body, a furnace bottom, a furnace lid, and a chimney, respectively. Reference numeral 5 denotes a kerosene burner which is attached to the outside of the furnace bottom 2. The high-temperature gas from the kerosene burner 5 can be made reducible by adjusting the damper 6 provided in the air inlet (not shown) of the burner (air inlet of the sirocco fan) or the chimney 4.
７は炉底２に設けられた高温ガス導入口で直接排気通
路へ通ずる孔Ａと炉内に通ずる孔Ｂに連通している。８
は灯油バーナ５より高温ガス導入口７を経て供給される
ガスを炉内に通ずる孔Ｂへの導入分Q1と排気流路として
の煙突４に通ずる孔Ａへの直流分Q2とに分けて流す流れ
の分割装置である。図示のものの場合、分割装置８は炉
壁上の静止ブロック９と摺動板10とよりなる。炉内への
導入分Q1である高温ガスは炉内で焼成物を還元焼成して
後、炉底２に設けられた煙道14を通過して、高温ガス導
入口７と導通することなく排気流路13の底部に導かれ
る。なお、15は排気の流れの経路を示す。Reference numeral 7 denotes a high-temperature gas inlet provided in the furnace bottom 2, which communicates with a hole A directly communicating with the exhaust passage and a hole B communicating with the inside of the furnace. 8
Divides gas supplied from the kerosene burner 5 through the high-temperature gas inlet 7 into an inlet B 1 that passes through the furnace into a hole B and a direct current Q 2 into a hole A that passes through a chimney 4 serving as an exhaust passage. It is a device for dividing a flowing stream. In the case shown, the dividing device 8 comprises a stationary block 9 on the furnace wall and a sliding plate 10. After the hot gas is introduced into fraction to Q 1 into the furnace by reduction firing the fired product in a furnace, through the flue 14 provided in the furnace bottom 2, without conducting the hot gas inlet 7 It is guided to the bottom of the exhaust passage 13. Reference numeral 15 denotes a flow path of the exhaust gas.
第３図は摺動板10に形状を示す斜視図で、この図に示
す如く摺動板10には高温ガスを通過させる穴11が設けら
れている。静止ブロック９に対する摺動板10の相対位置
は第４図及び第５図に示す如く変えられる。灯油バーナ
５よりの高温ガスが酸化性の高温ガスの場合、高温ガス
の総量をQ0とすれば、第４図はQ1＝Q0、Q2＝０として酸
化炎生成装置を機能させずに酸化焼成を行っているとき
の状態を示し、灯油バーナ５よりの高温ガスが還元性の
高温ガスの場合、第５図はQ1＜Q0、Q2＝Q0−Q1として酸
化炎焼成装置を機能させて還元焼成を行っているときの
状態を示す。12は排気流路13に設けられた空気導入口
で、排気流路13と空気導入口12で酸化炎焼成装置が構成
される。第５図に示す如く排気流路13に導入されたQ2量
の還元性高温ガスはこの空気導入口12を経て流入する空
気を添加されて酸化性火炎を作る。この火炎は炉内の炉
底２に設けられた煙道14を経て排気流路13の底部へ導か
れてくる還元性高温ガスを点火し、それに含まれる還元
焼成後の可燃分を完全燃焼させる。量Q2は還元焼成が開
始されるとき（炉内温度が900度Ｃ程度のとき）に最大
で、量Q0の20％程度とされるが、以後炉内温度が高くな
るに従って摺動板10の位置を調整することによって量Q2
を少なくすることができる。排気流路13内で完全燃焼さ
れた高温ガスは煙突４を通過後、無煙の煙として外部に
排出される。摺動板10の操作は排出された煙色を見なが
ら行われる。FIG. 3 is a perspective view showing the shape of the sliding plate 10. As shown in FIG. 3, the sliding plate 10 is provided with a hole 11 through which a high-temperature gas passes. The relative position of the sliding plate 10 with respect to the stationary block 9 can be changed as shown in FIGS. If hot gas from kerosene burner 5 is the oxidation of the hot gas, when the total amount of hot gases and Q 0, Fig. 4 not to function oxidizing flame generating apparatus as Q 1 = Q 0, Q 2 = 0 shows the state when performing the oxidation firing, when hot gases from kerosene burner 5 is reducing hot gas, Figure 5 is Q 1 <Q 0, Q 2 = Q 0 -Q 1 as oxidizing flame This shows a state in which the firing apparatus is functioning to perform reduction firing. Reference numeral 12 denotes an air inlet provided in the exhaust passage 13, and the exhaust passage 13 and the air inlet 12 constitute an oxidizing flame firing device. As shown in FIG. 5, the reducing high-temperature gas of Q 2 introduced into the exhaust passage 13 is added with air flowing through the air inlet 12 to form an oxidizing flame. This flame ignites the reducing high-temperature gas guided to the bottom of the exhaust passage 13 through a flue 14 provided at the furnace bottom 2 in the furnace, and completely combusts the combustibles contained in the gas after reduction firing. . The quantity Q 2 is maximum when the reduction firing is started (when the furnace temperature is about 900 ° C.), and is about 20% of the quantity Q 0. Thereafter, as the furnace temperature increases, the sliding plate becomes higher. Amount Q 2 by adjusting the position of 10
Can be reduced. The hot gas completely burned in the exhaust passage 13 passes through the chimney 4 and is discharged to the outside as smokeless smoke. The operation of the slide plate 10 is performed while watching the discharged smoke color.
流れの分割装置８はバタフライ形式の振り分け板とす
ることができる。また、流れの分割装置８は図示の静止
ブロックを可動のものとすると共に摺動板10を省いたも
のとして構成することができる。The flow dividing device 8 can be a butterfly-type distribution plate. In addition, the flow dividing device 8 can be configured such that the illustrated stationary block is movable and the sliding plate 10 is omitted.
発明の効果： 灯油バーナを使用する陶芸炉はそれを還元焼成に使用
するときに変化に富んだ作品を制作させるが、黒煙およ
び煤の発生を伴うという大きな欠点をもつ。本発明は焼
成用の灯油バーナを黒煙および煤の発生防止にも利用さ
せることにより上記の欠点を簡単に回避させるものであ
る。Advantages of the Invention: A pottery furnace using a kerosene burner produces a variety of works when it is used for reduction firing, but has the major disadvantage of producing black smoke and soot. The present invention simply avoids the above-mentioned disadvantages by utilizing a kerosene burner for firing also for preventing the generation of black smoke and soot.
第１図は本発明による陶芸炉の１例を示す縦断側面図、
第２図は第１図の陶芸炉より炉蓋を外して示す平面図、
第３図乃至第５図は第１図および第２図に示すものの説
明用部分図で、第３図は摺動板の斜視図、第４図および
第５図は高温ガスの流れの分割装置を摺動板の位置を変
えて示す図面である。第６図は焼成過程の説明図であ
る。 １は炉胴、２は炉底、３は炉蓋、４は煙突、５は灯油バ
ーナ、６はダンパ、７は高温ガス導入口、８は分割装
置、９は静止ブロック、10は摺動板、11は穴、12は空気
導入口、13は排気流路、14は煙道、15は排気の流れの経
路。FIG. 1 is a vertical sectional side view showing one example of a pottery furnace according to the present invention,
FIG. 2 is a plan view showing the pottery furnace of FIG. 1 with a furnace lid removed,
3 to 5 are partial views for explaining those shown in FIGS. 1 and 2, FIG. 3 is a perspective view of a sliding plate, and FIGS. 4 and 5 are splitting devices for a flow of a hot gas. 3 is a drawing showing the position of the sliding plate changed. FIG. 6 is an explanatory view of the firing process. 1 is a furnace body, 2 is a furnace bottom, 3 is a furnace lid, 4 is a chimney, 5 is a kerosene burner, 6 is a damper, 7 is a high-temperature gas inlet, 8 is a dividing device, 9 is a stationary block, and 10 is a sliding plate. , 11 is a hole, 12 is an air inlet, 13 is an exhaust passage, 14 is a flue, and 15 is an exhaust flow path.
Claims (4)
灯油バーナの高温ガス導入口を炉の下部に設け、該高温
ガス導入口は直接排気通路へ通ずる孔Ａと炉内に通ずる
孔Ｂに連通し、前記高温ガス導入口の近傍には高温ガス
を前記排気通路へ通ずる孔Ａと前記炉内に通ずる孔Ｂと
に分流する分割装置を設置すると共に、炉底には排気ガ
スのための煙道を設け、該煙道は前記排気通路に連通せ
しめ、該排気通路に酸化炎生成装置のための空気導入口
を設けたことを特徴とする陶芸炉。A hot gas inlet for a kerosene burner for generating an oxidizing or reducing hot gas is provided at a lower portion of a furnace, and the hot gas inlet is directly connected to a hole A which leads to an exhaust passage and a hole B which leads to the inside of the furnace. In the vicinity of the high-temperature gas inlet, a splitting device is provided near the high-temperature gas introduction port to divide the high-temperature gas into a hole A communicating with the exhaust passage and a hole B communicating with the inside of the furnace. A flue, wherein the flue is communicated with the exhaust passage, and an air inlet for an oxidizing flame generator is provided in the exhaust passage.
路への直流分と孔Ｂを流れる炉内への導入分の各流量を
可変とすることを特徴とする特許請求の範囲第１項の陶
芸炉。2. The apparatus according to claim 1, wherein the dividing device varies a flow rate of a direct current component to the exhaust passage flowing through the hole A and a flow amount of a hot gas introduced into the furnace flowing through the hole B. Term pottery furnace.
場合に、分割装置が高温ガスの孔Ａを流れる排気通路へ
の直流分を０とし、排気通路内の酸化炎生成装置が作動
しないようにしたことを特徴とする特許請求の範囲第１
項の陶芸炉。3. When the gas generated from the kerosene burner is an oxidizing high-temperature gas, the dividing device sets the direct current component to the exhaust passage flowing through the hole A of the high-temperature gas to 0, and the oxidizing flame generator in the exhaust passage does not operate. The first aspect of the present invention is characterized in that:
Term pottery furnace.
場合に、分割装置が高温ガスの孔Ａを流れる排気通路へ
の直流分と孔Ｂを流れる炉内への導入分とを調節して、
排気通路に流入する前記直流分の高温ガスと空気導入口
からの空気及び炉底の煙道からの排気ガスとからなる混
合高温ガスに排気通路内の酸化炎生成装置が作動して、
排気通路より排気する排気を無煙化するようにしたこと
を特徴とする特許請求の範囲第１項の陶芸炉。4. When a gas generated from a kerosene burner is a reducing high-temperature gas, a dividing device adjusts a direct current component of the high-temperature gas to an exhaust passage flowing through a hole A and a component of a high-temperature gas introduced into a furnace flowing through a hole B. hand,
The oxidizing flame generating device in the exhaust passage operates on the mixed high-temperature gas composed of the direct-current high-temperature gas flowing into the exhaust passage and the air from the air inlet and the exhaust gas from the flue of the furnace bottom,
2. The pottery furnace according to claim 1, wherein the exhaust gas discharged from the exhaust passage is made smokeless.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25820988A JP2748131B2 (en) | 1988-10-13 | 1988-10-13 | Pottery furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25820988A JP2748131B2 (en) | 1988-10-13 | 1988-10-13 | Pottery furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02106693A JPH02106693A (en) | 1990-04-18 |
| JP2748131B2 true JP2748131B2 (en) | 1998-05-06 |
Family
ID=17317031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25820988A Expired - Lifetime JP2748131B2 (en) | 1988-10-13 | 1988-10-13 | Pottery furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2748131B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4524951B2 (en) * | 2001-05-09 | 2010-08-18 | 株式会社村田製作所 | Heat treatment furnace and gas supply method for heat treatment furnace |
| JP3894774B2 (en) | 2001-10-31 | 2007-03-22 | 富士通株式会社 | Card edge connector and method for manufacturing the same, electronic card and electronic device |
-
1988
- 1988-10-13 JP JP25820988A patent/JP2748131B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02106693A (en) | 1990-04-18 |
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