This pot camel machine used to generate electricity was originally intended to be installed in the main urban area, but it caused serious pollution, flying soot, and loud noise. In addition, the boiler required a large amount of water, so it was finally installed in the hydropower district. In order to prevent floods, hydropower
The foundations where the district's thermal power stations, distribution rooms, and substations are located have been specially raised.
Although the pot camel machine has many benefits for the public, it requires a considerable amount of fuel every day, not to mention that the boiler requires soft water. It would be too luxurious to transport distilled water to the machine from the ship. If you use natural water or rainwater
For the best, river water can be used, but it is best to be softened. Luo Duo said that he could make tannin extract to soften the water, but there was no place to find raw materials for him at the time. Finally, Wang Luobin said that it could be used based on his experience in the countryside.
Use boiled water instead.
It was a bit funny to boil water for this giant creature. There were many stoves dug in a row on the river beach, and all the pots on the boat were unloaded to boil water. The flames were blazing and the steam was filling the air. It was an incomparable spectacle for a while. The time travellers plunged into it again
During the work of cutting grass and logging, all kinds of firewood were piled up like a hill.
"Why not use a diesel generator?" Wen Desi was not excited when he saw such a spectacular scene. In his opinion, it was a waste of time and manpower. It was true that the pot camel machine could use no oil, but it was a waste of money.
Manpower is not economic at all.
The operation of the high-horsepower pot camel machine requires hardened ground - not only the foundation of the pot camel machine, but also the entire urban area must undergo ground hardening work, especially the simple housing residential areas and urban streets that are about to be built.
There are no bricks in our hands yet, but it is very convenient to make concrete. Cement and steel bars are shipped by ship. There are as many stones as you need in Bairentan - Bairentan has always been a quarry in Lingao in history.
, the stones are not only supplied to the county, but also sold to neighboring counties. After the arrival of the Chuanzhong, the stonemasons ran away. Many of the stone pieces they picked and polished remain, and there are still a large number of broken stones left after mining in the quarry.
Stone waste - there is river sand on the river beach, which can be used after sifting. Cement and mixers were transported from Bopu. Wooden formwork is also needed to make concrete. Wu Kuangming established an electric sawmill in Bopu, which can be conveniently used.
Timbers of various sizes were ordered and the wooden formwork was quickly shipped.
After completing the hardening of the ground at the Guotuo Mechanical and Electrical Station, the construction team started work on the hydropower project at once. After all, it is not a problem to boil water to feed the boiler every day. And with the office department of the executive committee, the relocation and new construction of residential areas
With the establishment of industrial zones, electricity consumption will immediately increase significantly. By then, this amount of electricity will not be enough.
The energy team regarded the Bairentan Hydropower Station as a key project in the energy planning and had a complete set of design drawings for the power station on hand. However, after they held a meeting and negotiated with the construction team, everyone agreed that it was currently beyond their capabilities to fully comply with this plan.
The construction of the Bairentan Hydropower Station started after the Spring Festival in 1967 and was completed at the end of 1968. The barrage is 94 meters long and 7.5 meters high. It also has supporting gates, caves, channels, aqueducts, water pipes... Even in the 20th century, the Lingao dam was still too large.
The large project was completed with the efforts of the whole county, starting with more than 300 engine management cadres and more than 100 water and electricity engineering personnel, and recruiting hundreds of migrant workers throughout the county. The three communes of Touzui, Huanglong and Kunshe were also specially mobilized to recruit capable workers.
More than 200 fishermen women carried the heavy load to transport the big rocks. Only 64,000 man-days of labor were invested, and 51,800 cubic meters of earthwork, 5,110 cubic meters of stone masonry, and 630 cubic meters of concrete were poured...
These figures are simply astronomical to Chuanchuanzhong, so the entire set of drawings can only be temporarily stored. In the end, it was decided to adopt a simple channel water diversion power station and install a 200kw generator.
The design plan is to first dig a diversion canal upstream of the nine-level Bairentan Waterfall. The width and depth of the diversion canal are calculated based on the water flow and slope. Fortunately, these are available in ready-made data tables, and the final decision is made
The scale of the water diversion channel is 1.5 meters in bottom width and 1 meter in water depth.
The diversion canal injects water into the pressure forecourt, which is connected to the diversion canal and the pressure pipe. It is composed of a front chamber, a sewage rack, a gate, an inlet chamber, an overflow channel and a sand discharge outlet.
The pressure forebay is an important part of a hydropower station. It is not only used to sediment sediment and intercept drifting debris to prevent it from entering the turbine and causing damage. It can also play a role in distributing water when there are multiple units. In addition, its ultimate
The main function is to adjust the amount of water entering the turbine.
When the load of the hydropower station increases and the flow required by the turbine increases, the reservoir in the front room can supplement the insufficient water from the channel to prevent the drop in water level from causing air to be sucked into the pressure water pipe and reduce the output of the unit; conversely, when the load suddenly decreases, or the water coming from upstream
When excessive water causes flooding, the excess flow in the channel can be discharged through the overflow channel to avoid affecting the safety of the building.
The gate of the canal is used to control the flow and intercept water. It is installed in the water delivery chamber of the pressure forecourt. Because it is a small hydropower station, the gate was made of wood. Based on what he saw and heard in the countryside, Wang Luobin recommended
A wooden arc-shaped gate that was popular during the * period is used. It uses a pulley block and a hand-operated wooden winch when opening, and relies on gravity moment to close. It has a simple structure, fast opening and closing, and is extremely convenient to use.
The pressure water pipe is a major problem encountered by builders. As an important component of the hydropower station, it is used to create pressure head to drive the turbine to do work. It not only has to bear the pressure of the water head, but also the water flow in the pressure water pipe caused by closing the turbine guide vane or gate.
The water hammer pressure generated by a sudden stop. Therefore, the pressure water pipe must have greater strength, otherwise it will easily cause a pipe burst accident.
In modern times, small and medium-sized hydropower stations generally use steel pipes or reinforced concrete pipes. Naturally, they do not have large-diameter steel pipes. The manufacturing of reinforced concrete pipes is not a problem, but the consumption of reinforced concrete is too large. Currently, there is no self-produced cement and steel bars.
There are too many places where it will be used immediately. So someone suggested using ceramic pipes, but the tensile strength of ceramic pipes is poor and they will break under 10 meters of water pressure. They can only be used in power stations with small water heads, and such large ceramic pipes
No one has ever done this, and I'm afraid no one in Lingao knows how to bake it. Besides, the travelers haven't found a pottery kiln yet, not even a brick kiln.
Wang Luobin thought twice and suggested using wooden pipes. This kind of wooden pipe is made of 4 to 6 cm thick wooden materials and tightened with iron hoops. Its strength is better than that of concrete pipes and can be used at water head heights below 100 meters.
In contrast, concrete pipes can only be used for water heads below 50 meters. If wooden pipes are well maintained, their lifespan is not inferior, and they will last 10 to 20 years without any problem.
The problem of wood is relatively easy to solve. The logging work has not stopped for a day these days. Although there is a lack of drying equipment, Wu Kuangming also built an earthen kiln to dry the wood by slowly smoking branches and leaves. This method is very inefficient and dry.
The degree is not consistent yet, but it can finally provide enough usable wood.
The problem is that it is not easy to splice pipes with wooden boards. It is a bit like hoops. This craft is about to be lost, let alone making such large-diameter wooden pipes. After several unsuccessful attempts, someone finally used
The CAD modeling method breaks down the standard size of each piece of spliced wood. The wood group looked at the processing drawings of each piece of material that were accurate to the millimeter and had detailed angles. I couldn't laugh or cry - I don't have a CNC sawing machine here.
However, with numbers, there is a direction for exploration. According to the data in the drawings and after several days of exploration, the first pipe was finally spliced. It was 4 meters long and 0.7 meters in diameter. It was tightened with external iron hoops and tested simply by adding water.
Later, it was found that the splicing strength was not enough, and the thickness of the iron hoop and wood was increased when making the second pipe. After passing the test, the sawmill immediately produced a 32-meter pressure wooden pipe, of which 12 meters were spare. Facts have proved that this
Backups are necessary, and two pipes were scrapped during the construction phase. The interfaces between the pipes were connected and sealed with cement mortar. The buttresses and ballasts between the pressure pipes were built with cement mortar.
The bottom of the pressure pipe is the power plant. Its base requires relatively high standards, so no expense was spared in using gravel mortar concrete, and part of it was stone strips of various sizes found in quarries with unknown uses.
Although Mei Wan and his construction engineering team had never built a hydropower station before, the power station equipment designed for rural areas had detailed and easy-to-understand instructions. A group of people with engineering experience carefully studied it, plus each had their own experience of the hydropower stations they had witnessed.
In retrospect, it is not difficult to figure out the specific construction methods. Excavation of earthwork, ditches, construction of factories, and even erection of electric poles are all done with ease. The water channels are earthen channels, and other buildings are made of cement mortar and stone.
Excavation in certain stony areas is more laborious, but with tools such as air compressors and pneumatic picks, it is relatively easy to overcome. Originally, the executive committee also allocated some nitric ammonia and kerosene to prepare for the use of gunpowder for construction if necessary.
, but Mei Wan thought it would be better to use less of this deadly weapon - none of them had any engineering experience in using gunpowder.
Because Wang Luobin has lived and worked in rural Guangxi for many years, he is very familiar with agricultural and livelihood buildings such as rural small hydropower stations. He is basically responsible for coordinating recent projects. When inspecting the construction site, he saw a group of people at the hydropower station from a distance.
People gathered around, as if they were arguing about something. As he got closer, he saw mainly members of the construction team and the subordinate engineering team. One was the team leader Mei Wan, and the other one he had some impression of was raised during the highway infrastructure construction.