"Hurry up the blast furnace and find coal gangue to block it. No air will leak out."
The insulating bricks are made of asbestos. There is no asbestos in this thing. We can only use coal gangue instead. I hope this thing can withstand part of the high temperature. In other places, refractory soil is used, which is the layer in the middle of the stove.
Dregs and gangue can be used to make refractory bricks, but they need to be crushed and then sintered together with clay. But we don’t have time to make these things now. Everything is done to save time, and we will wait until the first trial batch is produced.
Coal gangue and coal mines are burned, and some rare metals are produced first. At least not many people know what rare metals are used for, and there is almost no production in the country. As for domestic steel plants, they have not closed down.
Very good.
"What you are doing is quite big. Are you going to launch a large-scale production?"
"Isn't it all for you guys? I'm going to make iron and produce grenades. The grenades we made ourselves feel too weak."
The commander of the regiment who came to inspect was also very concerned, because he had already agreed with others that if there were any good things, he would first try them out in his own troops.
"Yes, yes, that's right. A grenade is equivalent to half a cannon. Whether it's explosives or shells, our arsenal can hardly compete with regular arsenals, let alone explosives."
The Chinese army uses serious TNT grenades, but due to production reasons, grenades have become rarer than bullets. Veterans will have one on them, and recruits will probably only be issued guns and ammunition. In the later period, foreign military aid
After entering the country, only elite soldiers will be equipped with grenades, and they are all serious American grenades. As for the long-handled grenades, no one uses them anymore, and they have been replaced by artillery.
"Now we have explosives, and the power may not be inferior to the grenades in the Kuomintang-controlled areas, but the power of the explosives is there. The main problem is about the iron shell fragments. If the production process is qualified, I will also make a small one.
You can also try the Japanese cantaloupe grenade."
Han Cheng is now commanding the fire to start and conduct experimental heating of the blast furnace. Any metal is very sensitive to temperature. Especially the rare metals contained in coal gangue. If there is a way, who would use these coal gangue?
What about extracting rare metals? Who knows what will be burned out, and the quality can be improved to some extent.
"First give me the coal gangue and break it into pieces with a hammer. The smaller the gangue is, the better."
Coal can be made in large pieces, but the coal gangue must be small and stuffed into the furnace according to a certain proportion. Now it is just a trial of heating and smelting, and it does not necessarily mean that something will be burned. It is still a trial anyway.
"A layer of coal mine must be laid at the bottom, and then a layer of coal gangue must be laid. Remember, this is the weight of each layer to be laid, and it can only be more but not less!"
As for the blast furnace, everything must be hoisted up using hanging baskets and then laid inside the blast furnace. The internal structure is actually just that, the important thing is to ensure even heating.
"Okay, we'll get it done in a minute!"
Hancheng needs to be busy with other things next. The blast furnace is on the one hand, and more importantly, the smokeless gunpowder. Where is the top priority? Although now someone can master a batch of smokeless gunpowder.
Manufacturing methods, but what they produce is still substandard. The simplest thing is that the explosion time is very short, too short to be used as propellant for bullets. These may be related to materials and techniques, but more importantly, experience.
"How much unusable smokeless gunpowder have we accumulated now?"
"Now I have saved at least three hundred kilograms. I estimate that with more practice, we can weigh one thousand kilograms."
Han Cheng was sweating all over, what does it mean to practice again? But unqualified means unqualified, and it is an unqualified product anyway. The explosive power of these unusable smokeless gunpowder is not inferior to TNT at all, so it can be regarded as
Use of explosives. Because smokeless gunpowder is essentially a type of explosive, it only uses chemical energy.
"Keep these things for me. I will be of great use when the time comes. Don't take them directly to blow up the gun towers like last time."
The origin of this idea was because the regiment leader left with a small barrel of smokeless gunpowder last time. They were attacking a gun tower and all the explosive packs were used up. They had no choice but to take smokeless gunpowder to recharge.
Logically speaking, this thing is not the same as an explosive bag. The small barrel weighs at least thirty kilograms. How can it be used as an ordinary amount of black powder? So the result was that the group leader stood and watched from a distance.
The turret was blown up, and a strong wind blew it up. Of course the turret fell down, but unlike the structural damage caused by black powder, it was directly blown loose.
"You said it last time, how can I dare to do this again? Every call and storage is recorded. The group leader only allows them to call 10 kilograms at a time. If it exceeds 30 kilograms, the political commissar will do it.
strip."
"Well, you did a good job, I'll keep doing this from now on."
Han Cheng is not afraid of trouble. The repair shop set up by the regiment leader is just like his home. You can come and go when you want. It is not okay to take something without reporting it. Because this will easily cause things to be lost.
What should I do if saboteurs come in? This is an explosive, and anything less is dangerous. So after the regiment leader came back from the battle, Han Cheng went directly to the political commissar in order to talk about what happened.
The political commissar is a serious college student from Beiyang University. He knows very well what Han Cheng means and the importance of these things. After taking away thirty kilograms at a time, the political commissar directly brought the matter of the regiment leader to the brigade commander.
Bian, fortunately nothing serious happened. The group leader was ordered to write an inspection, a 10,000-word inspection.
"Have you not finished writing the captain's inspection yet?"
"No, I used to come here often to get food, but now the team leader is trying to think of ways to write inspections all day long."
Although the repair shop is now directly under the leadership of the regiment, the brigade commander also has to check in frequently. The purpose is to turn this place into an ammunition production base for the Northwest Eighth Route Army. As for the division in the city, because of the radio, there is no
Several troops caught fire with this division and ran away as soon as they came.
The Japanese are very angry now. If there is no more fighting, that division will be transferred out of this area and continue to attack westward along the Zhengtai Line. Therefore, the people of this division are eager to fight with the Eighth Route Army with all their strength.
Fight, but the Eighth Route Army avoids fighting and ignores you at all.
"Have you heard? Yan'an is going to send someone to learn your radio skills?"
"Where did I hear this? I'm so busy that my legs can't stop. What else do I know?"
"That's Yan'an..."
"Yan'an has to wait until he comes. At this time, you have nothing to worry about."