How to fill in Baidu gold mining machine application
Publish: 2021-04-28 14:24:18
1. Maybe not. The official website says that it will be closed in December.
2. The content of gold in the ore is very low. In order to extract gold, it is necessary to crush and grind the ore and preconcentrate or separate gold from the ore by mineral processing. Gravity separation and flotation are widely used in gold separation. Gravity separation plays a very important role in placer gold proction. Flotation is widely used in rock gold mines. At present, about 80% of rock gold mines in China adopt this method for gold separation, and the level of beneficiation technology and equipment has been greatly improved< (1) crushing and grinding
according to the investigation, jaw crushers are mostly used in China's gold concentrators for coarse crushing, standard cone crushers for medium crushing, and short head cone crushers and counter roller crushers for fine crushing. Medium and small gold concentrators mostly adopt two-stage one closed circuit crushing process, while large gold concentrators adopt three-stage one closed circuit crushing process
in order to improve the proction capacity of mineral processing and tap the potential of equipment, the crushing process has been reformed to improve the utilization coefficient of the grinding machine. The main measures adopted are more crushing and less grinding to rece the particle size of the incoming grinding stone< (2) gravity separation
gravity separation is widely used in rock gold mines. It is mostly used as an auxiliary process to recover coarse gold in grinding circuit, which creates favorable conditions for flotation and cyanidation process, improves beneficiation indexes, increases the total recovery of gold, and plays a positive role in increasing output and recing cost. More than 10 gold concentrators in Shandong Province have adopted the gravity separation process. The average total recovery rate can be increased by 2% ~ 3%. The economic benefit of the enterprise is good. According to incomplete statistics, the annual profit can be several million yuan. Henan, Hunan, Inner Mongolia and other provinces (regions) have also achieved good results, the main equipment used are chute, shaker, jig and short cone cyclone. From the view of most gold mines in China, the flotation gravity combined process (gravity separation for flotation tailings) is suitable for use. In the future, it is necessary to vigorously promote the stage grinding stage separation process and advocate the principle of early recovery< (3) flotation
according to the survey, about 80% of China's rock gold mines adopt flotation method for gold separation, and the concentrate proced is mostly sent to non-ferrous smelters for treatment. Due to the increasing development of cyanidation and in order to improve the economic benefit and rece the loss of concentrate transportation, the proct structure has changed greatly in recent years. Most of them adopt on-site treatment (of course, because of the contradiction between beneficiation and metallurgy and pricing problems, the mine is forced to treat on-site), which promotes the great development of flotation technology and occupies an important position in gold proction. There are usually two kinds of flotation processes: preferential flotation and mixed flotation. In recent years, new progress has been made in technological process improvement and reagent addition system, and flotation recovery has been improved significantly. According to the investigation results of flotation process indexes of more than 40 gold concentrators in China, the flotation recovery rate of sulfide ore is 90%, and a few of them are as high as 95% ~ 97%; The recovery of oxide ore is about 75%; Some of them are 80% - 85%. In recent years, there are a lot of innovation and scientific research achievements in flotation process, and the effect is obvious. Stage grinding flotation process and gravity flotation combined process are the main trend of flotation technology development in China.
according to the investigation, jaw crushers are mostly used in China's gold concentrators for coarse crushing, standard cone crushers for medium crushing, and short head cone crushers and counter roller crushers for fine crushing. Medium and small gold concentrators mostly adopt two-stage one closed circuit crushing process, while large gold concentrators adopt three-stage one closed circuit crushing process
in order to improve the proction capacity of mineral processing and tap the potential of equipment, the crushing process has been reformed to improve the utilization coefficient of the grinding machine. The main measures adopted are more crushing and less grinding to rece the particle size of the incoming grinding stone< (2) gravity separation
gravity separation is widely used in rock gold mines. It is mostly used as an auxiliary process to recover coarse gold in grinding circuit, which creates favorable conditions for flotation and cyanidation process, improves beneficiation indexes, increases the total recovery of gold, and plays a positive role in increasing output and recing cost. More than 10 gold concentrators in Shandong Province have adopted the gravity separation process. The average total recovery rate can be increased by 2% ~ 3%. The economic benefit of the enterprise is good. According to incomplete statistics, the annual profit can be several million yuan. Henan, Hunan, Inner Mongolia and other provinces (regions) have also achieved good results, the main equipment used are chute, shaker, jig and short cone cyclone. From the view of most gold mines in China, the flotation gravity combined process (gravity separation for flotation tailings) is suitable for use. In the future, it is necessary to vigorously promote the stage grinding stage separation process and advocate the principle of early recovery< (3) flotation
according to the survey, about 80% of China's rock gold mines adopt flotation method for gold separation, and the concentrate proced is mostly sent to non-ferrous smelters for treatment. Due to the increasing development of cyanidation and in order to improve the economic benefit and rece the loss of concentrate transportation, the proct structure has changed greatly in recent years. Most of them adopt on-site treatment (of course, because of the contradiction between beneficiation and metallurgy and pricing problems, the mine is forced to treat on-site), which promotes the great development of flotation technology and occupies an important position in gold proction. There are usually two kinds of flotation processes: preferential flotation and mixed flotation. In recent years, new progress has been made in technological process improvement and reagent addition system, and flotation recovery has been improved significantly. According to the investigation results of flotation process indexes of more than 40 gold concentrators in China, the flotation recovery rate of sulfide ore is 90%, and a few of them are as high as 95% ~ 97%; The recovery of oxide ore is about 75%; Some of them are 80% - 85%. In recent years, there are a lot of innovation and scientific research achievements in flotation process, and the effect is obvious. Stage grinding flotation process and gravity flotation combined process are the main trend of flotation technology development in China.
3. Please provide relevant information as required by the program for which you wish to apply; Details of any kind of physical disability * (if applicable) and any physical disability, if any; And any additional information which is relevant to this application or any information related to the application.
you may choose to directly input the additional relevant information in the text box provided below or upload the information already saved in Microsoft Word format, You can also upload a word document with the information< Application who do not specify any kind of physical disability in this section will be assessed as in good state of health Applications from students with physical disabilities are treated equally with those from healthy students, There are certain study programs with inherent requirements which limit against students with special physical limitations being admitted. However, some majors can not accept students with physical disabilities e to the nature of their majors So we will ask the applicant to provide this information before submitting the formal application to confirm whether he is suitable for some majors
please accept
if you agree with my answer, please accept it in time,
~ if you agree with my answer, Please click the "adopt as satisfactory answer" button in time
~ ~ friends who ask questions from mobile phones can click "satisfied" in the upper right corner of the client
~ your adoption is my driving force
~ ~ o (∩)_ ∩) O, remember to praise and adopt, help each other
you may choose to directly input the additional relevant information in the text box provided below or upload the information already saved in Microsoft Word format, You can also upload a word document with the information< Application who do not specify any kind of physical disability in this section will be assessed as in good state of health Applications from students with physical disabilities are treated equally with those from healthy students, There are certain study programs with inherent requirements which limit against students with special physical limitations being admitted. However, some majors can not accept students with physical disabilities e to the nature of their majors So we will ask the applicant to provide this information before submitting the formal application to confirm whether he is suitable for some majors
please accept
if you agree with my answer, please accept it in time,
~ if you agree with my answer, Please click the "adopt as satisfactory answer" button in time
~ ~ friends who ask questions from mobile phones can click "satisfied" in the upper right corner of the client
~ your adoption is my driving force
~ ~ o (∩)_ ∩) O, remember to praise and adopt, help each other
4. 1、 Establishment of mining rights (1) mining rights shall be examined and approved in a competitive way. According to the administrative measures for bidding, auction and listing of exploration rights and mining rights (Trial Implementation) issued by the Ministry of land and resources, new mining rights shall be established in one of the following five situations, The Department in charge of mining rights shall grant mining rights through bidding, auction and listing:
1< 2. The mineral land where the mining right is lost
3
4
5. Other situations stipulated by the Ministry of land and resources and provincial authorities< (2) approval of application for transfer of mining rights
according to the administrative measures for bidding, auction and listing of exploration rights and mining rights (Trial), the competent department of mining rights shall not grant mining rights by way of bidding, auction and listing under any of the following circumstances:
1< (2) the areas that need to be mined uniformly at the upper and lower parts of the mining area with mining rights and the mining area that are in line with the mineral resources planning or the overall planning of the mining area
3< 4. The ownership of exploration right and mining right is controversial
5. It is not suitable to be awarded by way of bidding, auction and listing e to special circumstances as otherwise stipulated by laws and regulations and by the competent authorities
China implements the system of paid acquisition of mining rights. When applying for the mining right of the state funded exploration and proved mineral land, the applicant of the mining right shall pay the price of the mining right formed by the state funded exploration confirmed by evaluation before obtaining the mining right< (2) if the grantee in the transfer of mining right needs to change the subject of mining right e to the merger or division of the enterprise, joint venture or cooperative operation with others, or e to the sale of enterprise assets or other changes in the property rights of enterprise assets, the mining right can be transferred with approval according to law, and the Grantee shall go through the change registration proceres and obtain the mining license, Become a mining right holder.
1< 2. The mineral land where the mining right is lost
3
4
5. Other situations stipulated by the Ministry of land and resources and provincial authorities< (2) approval of application for transfer of mining rights
according to the administrative measures for bidding, auction and listing of exploration rights and mining rights (Trial), the competent department of mining rights shall not grant mining rights by way of bidding, auction and listing under any of the following circumstances:
1< (2) the areas that need to be mined uniformly at the upper and lower parts of the mining area with mining rights and the mining area that are in line with the mineral resources planning or the overall planning of the mining area
3< 4. The ownership of exploration right and mining right is controversial
5. It is not suitable to be awarded by way of bidding, auction and listing e to special circumstances as otherwise stipulated by laws and regulations and by the competent authorities
China implements the system of paid acquisition of mining rights. When applying for the mining right of the state funded exploration and proved mineral land, the applicant of the mining right shall pay the price of the mining right formed by the state funded exploration confirmed by evaluation before obtaining the mining right< (2) if the grantee in the transfer of mining right needs to change the subject of mining right e to the merger or division of the enterprise, joint venture or cooperative operation with others, or e to the sale of enterprise assets or other changes in the property rights of enterprise assets, the mining right can be transferred with approval according to law, and the Grantee shall go through the change registration proceres and obtain the mining license, Become a mining right holder.
5. It's all the names of your business or shop. You can fill in different names
6. Unknown_Error
7. Please consult the organization, unit or department that accepts your application.
8. Unknown_Error
9. Can you make it clear? What authority should I apply for? General formal platform has customer service, you can look for a consultation. Or network search, but it's better to explain which platform you want to apply for, which will be more accurate, and the answers you receive may be useful.
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