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2. In order to build a natural roof, I go out these days and pick up the honeycomb briquette when I see it in the garbage mp.

3. It used to be mainly used for home fire and heating. It is a honeycomb shaped cylindrical briquette made of black coal
a kind of inflammable honeycomb briquette is composed of raw coal, carbonized sawst, lime, red (yellow) mud, charcoal powder and other mixture base materials, and inflammable combustion supporting agent composed of nitrate and potassium permanganate. The diameter is made of the above materials Φ The test firing of 100 mm inflammable honeycomb briquette shows that the ignition is fast, the flame height is more than 140 mm, the burning time is up to 1 hour, it is smokeless and tasteless, and the combustion is complete. The inflammable honeycomb briquette has the advantages of wide raw materials, low cost, convenient use, simple proction, material saving, time saving, energy saving and capital saving, and has a good development prospect
technology of procing honeycomb briquette from straw: This proct is made of straw powder and inferior coal as basic raw materials, adding desulfurizer hydrated lime, forming, and then surface treatment with surface treatment agent made of paraffin and heavy oil, which can make full and effective use of crop straw. Characteristics: (1) the basic raw materials are crop straw and inferior coal, which are basically waste utilization, cheap and easy to get, and turn waste into treasure 2) It has good combustibility, less smoke and less sulfur dioxide, which is comparable to that of ordinary fuels 3) When forming, there is no heating and no binder, which can save energy and rece cost 4) The formed coal has water resistance and is convenient for storage and transportation 5) Good ignition, easy to use. It can be used as household fuel just like ordinary briquette and honeycomb briquette
coal is a kind of common fossil fuel. Household coal has evolved from "briquette" to "honeycomb briquette". In the past, people used to process pulverized coal into spheres slightly larger than table tennis balls. Later, people processed pulverized coal into cylinders and drilled some holes in the cylinders, because this can increase the surface area of coal, make coal fully burned and rece the waste of resources.

4. According to a person in charge of Xi'an coal market management office, fake honeycomb briquette and inferior honeycomb briquette are generally very cheap, and each 100kg of briquette is 8-10 yuan cheaper than that of regular manufacturers. Some citizens are fooled because they are greedy for cheapness, so they must not be greedy for cheapness when buying coal. In addition, in order to increase the weight of coal briquettes, some black heart factory owners even use low-quality gangue with high density to replace raw coal. Coal gangue is an intermediate between plant fossils and coal. It is a kind of waste resie in the proction process of coal mine, and its flammability is relatively low. Because the coal gangue is also black, it is difficult to identify it after grinding. Some unscrupulous traders take these fake coal briquettes and sell them everywhere. They cheat the residents with small profits and quick turnover and sell inferior procts
for how to identify the advantages and disadvantages of honeycomb briquette, experts from Xi'an fuel company said:
first, weigh the coal, the coal with good quality is generally lighter, about 140 pieces of superior briquette is 100 kg, and about 110 pieces of inferior briquette is 100 kg at most
the second is to look at the appearance. The appearance of coal with good quality is black and bright, but it is not very smooth. The smooth appearance is that the soil is mixed too much
Third, when buying briquettes, you can try to burn them. Take a briquette and put it on the stove. A good briquette will soon light up, but the one that can't light up is inferior honeycomb briquette.

5. I recommend you to buy a book called mining machinery, published by China University of mining and technology. There is a special coal mine fixed equipment manual, work points up and down two volumes. If you want the electronic version of the information, I have some, can send you, I am in the design institute to design these content.

6. Maybe it's too big. I'll give you a website http://ico.55.la/ You can directly import your pictures on the web page to generate ICO (optional size, generally choose 48 by 48) pictures. After generating, click "[click here to save ICO file]" below. This should be able to use, you can try!

7. ICO format is icon format, PS can't be opened directly. You need to download a icoformat.8bi file (64 bit icoformat 64.8bi) from the Internet and it to Adobe Photoshop CS6 & # 92 under PS installation directory; Plug ins folder, which can be called or saved as ICO format only after PS is restarted

8. Qing has a pleasant climate. It is warm and humid in spring and autumn. The temperature in summer is about 20-28 ℃, cool and comfortable. The golden season of tourism lasts from the end of March to the beginning of November, especially in late August when the sea is warm. The winter wind in Qing is biting. Although the sea water is not frozen, it is cold to zero. If you have strong physique and enough courage, you can try winter swimming<

Qing special food
Qing potstickers, crispy chicken, Laoshan mushroom stewed chicken, hot and sour fish balls, oil fried conch, carbon roasted squid, spicy fried clam, etc
Qing characteristic scenic spots
Laoshan, Zhanqiao, Olympic Sailing Center, Badaguan, golden beach, May 4th Square, the first bathing beach, Qing underwater world, etc.