What is the difference between porcelain in a wood kiln and an air kiln

1. Bubbles. First of all, we can use a magnifying glass that is easily available on the Internet.

Looking at the surface of the porcelain and observing the bubbles, you can clearly see the firewood kiln.

and bubbles on the surface of the gas kiln.

1. The bubbles of the firewood kiln are uneven.

Because the firewood kiln has to continuously add firewood during the firing process, the temperature is high and low, uncontrollable, and is manifested in the bubbles that are different in size and have a certain sense of hierarchy.

Bubbles in a firewood kiln under a magnifying glass.

Bubbles in a firewood kiln under a magnifying glass.

2. The bubbles in the gas kiln are very uniform.

The temperature can be well controlled during the firing process, and the bubble size is uniform and dense.

Bubbles in the gas kiln under a magnifying glass.

Second, glazed blue and white.

If you don't have a magnifying glass, don't worry, we can also observe the blue and white on the glaze to make a difference.

The firewood kiln is fired with pine wood as firewood, and the pine resin oil will be produced during the firing process, and the pine oil will be adsorbed on the tire, and the glaze of the firewood kiln will be felt to be moist. The blue and white burned in the wood kiln falls into the carcass, just like an ink painting, and there is a feeling of smudging.

Firewood kiln blue and white. On the other hand, the blue and white of the gas kiln is like floating on the surface, and the decoration is relatively clear and neat.

Gas kiln blue and white. The firewood kiln needs to be fired for more than 50 hours, while the gas kiln takes more than 20 hours, which is like boiling soup, and the texture and taste of the soup that are boiled slowly for a long time are different from those for a short time. Therefore, the texture of a firewood kiln fired for a long time will be more calm and moist than that of a gas kiln.

3. Color. A more intuitive way to do this is to look at the color of the porcelain.

When the firewood kiln is fired, the ash and flame produced by the burning of wood should be connected into the kiln, and the phenomenon of natural ash falling on the green body will be produced, and the natural ash glaze will be fused into the natural ash glaze after a long time of high temperature, and the color will be gray.

There are only feelings left in the firewood kiln, in fact, the difference between the effect of the firewood kiln and the gas kiln is very small. There are many factors that affect the quality of blue and white, such as the formula of blue and white materials, glaze water, fetal soil, etc., as well as the level of painting. Nowadays, with the advancement of science and technology and chemical industry, the gas kiln has long been able to make the effect of a firewood kiln, and players in the industry have also recognized the gas kiln.

The cost of the firewood kiln is high, but it is not high at the point, so the same 1000 a cup, the firewood kiln firing cost accounts for the majority, so you can only ask 300 a day of painters, and the gas kiln firing cost is low, so you can ask 500 a day of painters. The same 1000 cup firewood kiln painter can't be better than the gas kiln painter! Old players must choose a cup with a good painting, and what blue and white appreciates is artificial beauty.

Beginner players must say that firewood kiln, advanced players look at the comprehensive quality, and the top painters are all fired in the gas kiln, because the cost of trial and error in the firewood kiln is too high, and it is impossible to risk losing all the work just to add a little bit of score.

The difference between a firewood kiln and a gas kiln.

1. Bubbles: First of all, we can use a magnifying glass to look at the surface of porcelain, observe the bubbles, we can clearly and clearly see the difference between the bubbles on the surface of the firewood kiln and the gas kiln, the bubbles of the firewood kiln are uneven, because the firewood kiln must continue to add firewood in the firing process, so the temperature is high and low, uncontrollable, manifested in the bubbles is different sizes, there is a certain sense of hierarchy, the bubbles of the gas kiln are very uniform, the temperature can be well controlled during the firing process, and the size of the bubbles is uniform and dense.

2. Glazed blue and white: if there is no magnifying glass, you can also observe the blue and white on the glaze to distinguish, the firewood kiln is fired with pine wood as firewood, and the pine oil will be produced during the firing process, and the pine oil is adsorbed on the tire, and the glaze of the firewood kiln is moistened. The blue and white burned in the firewood kiln falls in the carcass, just like an ink painting, there is a feeling of smudging, on the other hand, the blue and white of the gas kiln is like floating on the surface, the decoration is relatively clear and neat, the firewood kiln needs to be fired for more than 50 hours, and the gas kiln needs more than 20 hours, so the texture of the firewood kiln fired for a long time will be more calm and warm than the gas kiln.

3. Color: When the firewood kiln is fired, the ash and flame produced by the burning of wood should be connected into the kiln, and the phenomenon of natural ash falling on the green body will be fused into the natural gray glaze after a long time of high temperature, and the color of the gas kiln will be white and bright.

What is the difference between diesel and gasoline, there must be a difference if you like this, because his quality is different, and the shelf life is different.

Electric burning.

Electric kiln, electric kiln is a kiln that obtains heat by heating resistance wire or resistance rod with electricity, the biggest advantage of electric kiln is that the temperature is uniform, the atmosphere is stable, the operation is intelligent and simple, so the yield of fired porcelain is higher, the disadvantage is that the ordinary electric kiln can not control the atmosphere, and the effect of glaze firing cannot be changed by controlling the atmosphere.

Introduction

Gas kilns, coal kilns and firewood kilns.

Both kilns obtain their temperature by burning fuel, and have a larger upper limit than electric kilns (the flow of flames makes the temperature relatively uniform over a large spatial range).

The advantages of controllable firing atmosphere (oxidation, neutral, weak reduction, strong reduction) and low firing cost (except for firewood kiln). However, there are also disadvantages such as the temperature distribution of the atmosphere is relatively difficult to control, waste labor (it needs to be operated by someone all the time during the firing process), and environmental pollution.

Personally, I think the porcelain of the firewood kiln is better.

The porcelain fired by the firewood kiln is warmer, the jade texture is stronger, the glaze of the porcelain burned by the firewood kiln is greasy and greasy with the naked eye, like a layer of lard, if the blue and white porcelain is burned with the firewood kiln, the hair color of the blue and white will be more smudged, showing a kind of intriguing hazy beauty, why does it have this effect?

We take a high-powered magnifying glass to take a closer look and find that the glaze of the porcelain fired in the wood kiln is full of rich and uneven bubbles, and the diffuse reflection of the light falling on it is strong so it is warm and moist, and the electric kiln and the gas kiln are difficult to burn this unique taste.

What is the difference between a firewood kiln and a gas kiln

In the process of firing, the firewood kiln needs to continuously add firewood, so the temperature is high and low, which cannot be controlled, so that the fired porcelain is different in size on the bubbles, and there is a certain sense of hierarchy. The bubbles in the gas kiln are very uniform, and the temperature can be well controlled during the firing process, so that the bubble size is uniform and dense.

If you don't have a magnifying glass, you can also observe the blue and white on the glazed surface of the porcelain to distinguish it. Firewood kilns are fired from pine wood, and during the firing process, pine resin oil may be produced. The pine oil is adsorbed on the tire, so that the glaze is very moist and has a certain feeling of blending, like an ink painting.

It takes more than 50 hours for the wood kiln to be fired, and more than 20 hours for the gas kiln to be fired, so the texture of the wood kiln is more calm than that of the gas kiln. In the process of firing the firewood kiln, the ash and flame produced by the burning of wood will directly enter the kiln, so that some natural ash will be produced on the embryo body, and after a long time of high temperature fusion, a natural ash glaze will be formed, and the color of the gas kiln will be relatively whiter.

1. The bubbles are different: the bubbles of the firewood kiln are uneven, because the firewood kiln has to continuously add firewood during the firing process, so the temperature is high and low, uncontrollable, and the bubbles are different in size and have a certain sense of hierarchy. The bubbles in the gas kiln are very uniform, because the temperature can be well controlled during the firing process, and the bubble size is uniform and dense.

2. Different colors: when the firewood kiln is fired, the ash and flame produced by the burning of wood should be connected into the kiln, and the phenomenon of natural ash falling on the body will be produced, and the color will be grayish after a long time of high temperature fusion, and the color of the gas kiln will be white and bright.

3. The blue and white glaze is different: the firewood kiln is fired with pine wood as firewood, and the pine oil will be produced during the firing process, and the pine oil will be adsorbed on the tire, and the glaze of the firewood kiln will be moistened. The blue and white burned in the firewood kiln falls in the carcass, just like an ink painting, there is a feeling of smudging, on the other hand, the blue and white of the gas kiln is like floating on the surface, the decoration is relatively clear and neat, the firewood kiln needs to be fired for more than 50 hours, and the gas kiln needs more than 20 hours, so the texture of the firewood kiln fired for a long time will be more calm and warm than the gas kiln.

Firewood kiln: The firewood kiln is the imperial kiln of Chai Rong, the emperor of the Five Dynasties and Ten Kingdoms, Zhou Shizong. According to records, the firewood kiln was founded in the early years of Zhou Xiande five generations later.

Cao Zhao of the Ming Dynasty wrote in the Hongwu period, and in the middle of the Ming Dynasty Wang Zuo supplemented the "Gegu Yao", which recorded: "The firewood kiln is out of the north, and the firewood Shizong burns it, so it is called the firewood kiln, the azure color is moist and charming, there are fine lines, and the loess is rare in modern times." The porcelain produced by the firewood kiln is "as blue as the sky, bright as a mirror, thin as paper, sound like a chime, moist and delicate with fine lines."

Exquisitely crafted, it was the best among the many kilns of the time.

Authentic five generations after the Zhou Chai kiln porcelain, from the cultural relics value should be the pinnacle of world art, if it is the economic value of the Northern Song Dynasty Ru kiln more than ten times or dozens of times, perhaps priceless. In fact, it is difficult to see the real five generations after the Zhou firewood kiln porcelain market, and the firewood kilns that appear on the market at present must be all imitations.

The porcelain produced by the firewood kiln is "as blue as the sky, bright as a mirror, thin as paper, sound like a chime, moist and delicate with fine lines." Exquisitely crafted, it was the best among the many kilns of the time.

The porcelain produced by the firewood kiln is "as blue as the sky, bright as a mirror, thin as paper, sound like a chime, moist and delicate with fine lines." ”

The firewood kiln was burned in the early years of Zhou Xiande after five dynasties, from Zhengzhou, Henan Province at that time, during the five dynasties, Zhengzhou governed 7 counties such as Guancheng, Xinzheng and Xingyang. It was originally suitable for making pottery, and it was named because Sejong's surname was Chai at that time. At that time, it was also called the imperial kiln, and it was renamed the firewood kiln from the Song Dynasty.

Chai Rong stipulated that the fired qualified Jun porcelain was only allowed to be used in the court, and all the defective products were destroyed on the spot and were not allowed to flow into the people, so that there are still residues and fragments left everywhere there.

Your question, such a porcelain variety, the market value of genuine products is very high; However, there are many imitations on the market, so we must pay attention to distinguishing them, and the real ones must be well preserved!

The difference between firewood kiln and gas kiln porcelain is that the bubbles are different, and the blue and white on the glaze are different.

The bubbles of the porcelain fired by the firewood kiln are uneven, because the firewood kiln has to continuously add firewood during the firing process, so the temperature is high and low, and the bubbles produced are not uniform. The bubbles of the porcelain fired by the gas kiln are very uniform and redundant. The blue and white flowers fired in the wood kiln fall into the carcass, and there is a feeling of blending like an ink painting.

The blue and white of the gas kiln seems to float on the surface, and the pattern is clear and neat.

With the development of ceramic firing industrialization technology, today's firewood kilns have almost become a marginal craft category in history, and in Jingdezhen, the ceramic capital, the only remaining firewood kilns are also a handful. Nowadays, some people also use technical means, gas kilns or gas kilns and firewood kilns combined, but also can burn bubbles to lift uneven porcelain.

Crafting process

Wood kiln porcelain is an ancient firing technique, because in ancient times, there was neither gas nor electricity, and craftsmen could only use firewood to fire porcelain. Jingdezhen firewood kiln was built in the Chen Dynasty of the Southern Dynasty (AD 557 589), Jingdezhen local rich pine resources, high-quality porcelain kaolin, several generations of porcelain craftsmen and kilns passed down the torch, created the rapid development of firewood kiln porcelain, developed to the Yuan Dynasty there are more than 300 firewood kilns, all year round kiln fire, day and night.

The firewood kiln uses the clay as the material to make the vessel type, casts the soul of the craftsman with the craftsmanship of the craftsman, takes the pine wood in the mountains to moisten the quality, leads the water of the mountain spring to nourish the face, restores the real fire with the wood with roots, and practices the real gold and white jade at high temperatures, and the firewood kiln vividly embodies the Chinese five elements culture in the process of porcelain production, which is irreplaceable by modern firing porcelain.

Difference 1: Bubbles are different. Under the magnifying glass**, it can be seen that the foaming of the firewood kiln is uneven; The foaming size of the gas kiln is evenly distributed.

Difference 2: Blue and white are different. The blue and white burned out of the wood kiln is like an ink painting, and the glaze is fat, like a smudge; The blue and white patterns burned out of the gas kiln are clear and neat, as if floating on the surface.

Difference 3: The color is different. The color of the porcelain fired in the wood kiln is grayish; The porcelain fired in the gas kiln is white and bright.