Adjusting eccentric block of trough feeder
Publish: 2021-05-15 22:59:19
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2.
1、 Preparation and inspection before operation
2. Whether the lubricating oil of the gearbox reaches the oil mark
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6. Whether the V-belt is damaged
7. Whether the tank body is worn out or damaged
8. Whether the safety devices such as belt cover are firm
9. Whether the pointer of ammeter is at zero
10. Whether all switches and buttons are in good condition< 2. Operation method
1. Start up operation method
(1) before operation, it must be checked item by item according to the inspection content before start-up
(2) get ready to start after hearing the start signal
(3) close the switch and start the operation button
2. Stop method
(1) stop the mine only after the ore in the ore bin has been fully supplied
(2) press the stop button of feeder operation
(3) turn off the power switch
(1) pull down the switch immediately in case of power failure or emergency stop without notice
3. The most obvious difference should be volume and floor area
4. Gravity separation or flotation is generally used in coal mine beneficiation
the most commonly used coal mine beneficiation equipment are: jaw crusher, ball mill, magnetic separator, high-frequency screen, vibrating screen, flotation machine, feeder, trough feeder, mixing bucket, bucket elevator, belt conveyor, high-efficiency thickener, disc granulator, shaker, spiral chute, spiral classifier, jig Tailings recovery machine, etc
the development of coal mine beneficiation equipment and beneficiation process is synchronous. The equipment is the foundation and the process is the leading. The successful development of a new type of coal mine beneficiation equipment often brings about changes in beneficiation process. The technical level of coal mine beneficiation equipment is not only the premise of the process level, but also directly affects the smooth flow and application of the proction process, Zhengzhou Zhongya machinery factory specializes in the proction of mineral processing equipment. For details, please visit the mineral processing equipment network of Zhengzhou Zhongya machinery factory.
the most commonly used coal mine beneficiation equipment are: jaw crusher, ball mill, magnetic separator, high-frequency screen, vibrating screen, flotation machine, feeder, trough feeder, mixing bucket, bucket elevator, belt conveyor, high-efficiency thickener, disc granulator, shaker, spiral chute, spiral classifier, jig Tailings recovery machine, etc
the development of coal mine beneficiation equipment and beneficiation process is synchronous. The equipment is the foundation and the process is the leading. The successful development of a new type of coal mine beneficiation equipment often brings about changes in beneficiation process. The technical level of coal mine beneficiation equipment is not only the premise of the process level, but also directly affects the smooth flow and application of the proction process, Zhengzhou Zhongya machinery factory specializes in the proction of mineral processing equipment. For details, please visit the mineral processing equipment network of Zhengzhou Zhongya machinery factory.
5. The main equipment includes:
1. Crushing equipment: crusher, belt conveyor, feeder, and some screening equipment< Grinding equipment: feeder, belt conveyor, ball mill or rod mill, spiral classifier or cyclone, sand pump, etc
3. Flotation equipment: flotation machine is generally used, and some use flotation column
4. Concentrate concentration and filtration equipment: generally thickener, filter, etc., most of which are also equipped with sand pump
5. Water supply equipment: water pump, high level pool, etc
6. Tailings transportation and storage: tailings pump and pipeline, tailings pond, backwater recovery equipment, etc
7. Maintenance equipment: it depends on the specific situation<
copper ore beneficiation process:
the flotation of disseminated copper ore generally adopts a relatively simple process. After one-stage grinding, the fineness of - 200 mesh accounts for about 50% ~ 70%, one roughing, two to three cleaning and one to two scavenging. If the disseminated particle size of copper mineral is relatively fine, the stage grinding process can be considered. Most of the concentrators dealing with bornite adopt the stage grinding and separation process of regrinding and cleaning of coarse concentrate, which is essentially a mixed preferential flotation process. High grade copper concentrate and sulfur concentrate are obtained by first roughing, roughing and scavenging, then regrinding and cleaning. Coarse grinding fineness - 200 mesh accounts for about 45% ~ 50%, regrinding fineness - 200 mesh accounts for about 90% ~ 95%
because chalrite and pyrite are closely associated in dense copper ore, pyrite is often activated by secondary copper minerals, and pyrite content is high, which is difficult to inhibit and separate. In the separation process, copper concentrate and sulfur concentrate should be obtained simultaneously. Usually, the tailings after copper concentration is sulfur concentrate. If the gangue content in ore is more than 20% ~ 25%, it needs to be separated again to get sulfur concentrate. Two stage grinding or stage grinding is often used to treat dense copper ore, and the grinding fineness is required to be fine. The dosage of xanthate is more than 100g / (t raw ore) and lime is more than 8 ~ 10kg (t raw ore).
1. Crushing equipment: crusher, belt conveyor, feeder, and some screening equipment< Grinding equipment: feeder, belt conveyor, ball mill or rod mill, spiral classifier or cyclone, sand pump, etc
3. Flotation equipment: flotation machine is generally used, and some use flotation column
4. Concentrate concentration and filtration equipment: generally thickener, filter, etc., most of which are also equipped with sand pump
5. Water supply equipment: water pump, high level pool, etc
6. Tailings transportation and storage: tailings pump and pipeline, tailings pond, backwater recovery equipment, etc
7. Maintenance equipment: it depends on the specific situation<
copper ore beneficiation process:
the flotation of disseminated copper ore generally adopts a relatively simple process. After one-stage grinding, the fineness of - 200 mesh accounts for about 50% ~ 70%, one roughing, two to three cleaning and one to two scavenging. If the disseminated particle size of copper mineral is relatively fine, the stage grinding process can be considered. Most of the concentrators dealing with bornite adopt the stage grinding and separation process of regrinding and cleaning of coarse concentrate, which is essentially a mixed preferential flotation process. High grade copper concentrate and sulfur concentrate are obtained by first roughing, roughing and scavenging, then regrinding and cleaning. Coarse grinding fineness - 200 mesh accounts for about 45% ~ 50%, regrinding fineness - 200 mesh accounts for about 90% ~ 95%
because chalrite and pyrite are closely associated in dense copper ore, pyrite is often activated by secondary copper minerals, and pyrite content is high, which is difficult to inhibit and separate. In the separation process, copper concentrate and sulfur concentrate should be obtained simultaneously. Usually, the tailings after copper concentration is sulfur concentrate. If the gangue content in ore is more than 20% ~ 25%, it needs to be separated again to get sulfur concentrate. Two stage grinding or stage grinding is often used to treat dense copper ore, and the grinding fineness is required to be fine. The dosage of xanthate is more than 100g / (t raw ore) and lime is more than 8 ~ 10kg (t raw ore).
6. mining machinery is directly used for mineral mining and enrichment operations. Including mining machinery and mineral processing machinery
mining machinery: mechanical equipment used for direct mining of useful minerals and mining preparation work, including mining machinery for mining metal ores and non-metal ores; Coal mining machinery for mining coal; Petroleum drilling and proction machinery for oil exploitation
mineral processing machinery: mineral processing is the process of selecting useful minerals from the collected mineral raw materials according to the differences in physical, physical and chemical properties of various minerals. The process is called mineral processing machinery. According to the beneficiation process, beneficiation machinery is divided into crushing, grinding, screening, separation (separation) and dewatering machinery.
mining machinery: mechanical equipment used for direct mining of useful minerals and mining preparation work, including mining machinery for mining metal ores and non-metal ores; Coal mining machinery for mining coal; Petroleum drilling and proction machinery for oil exploitation
mineral processing machinery: mineral processing is the process of selecting useful minerals from the collected mineral raw materials according to the differences in physical, physical and chemical properties of various minerals. The process is called mineral processing machinery. According to the beneficiation process, beneficiation machinery is divided into crushing, grinding, screening, separation (separation) and dewatering machinery.
7. 1. Gravity separation method gravity separation method is used to separate minerals according to the difference of relative density (usually called specific gravity). The mineral particles with different densities in the moving medium (water, air and heavy liquid) are affected by hydrodynamic and various mechanical forces, resulting in suitable loose stratification and separation conditions, so that the mineral particles with different densities can be separated. 2. Flotation flotation is based on the difference of physical and chemical properties of mineral surface, through flotation reagent treatment, the useful minerals can selectively adhere to the bubble to achieve the purpose of separation. Non ferrous metal ores such as copper, lead, zinc, sulfur and molybdenum are mainly treated by flotation; Some ferrous metals, rare metals and some non-metallic ores, such as graphite ore and apatite, are also separated by flotation. 3. Magnetic separation magnetic separation is based on the different magnetic properties of minerals. Different minerals are subject to different forces in the magnetic field of the magnetic separator, so as to be separated. It is mainly used to separate ferrous metal ores (iron, manganese and chromium); It is also used for the separation of nonferrous and rare metal ores. 4. Electric separation. Electric separation is based on the difference of mineral conctivity. When the mineral passes through the high voltage electric field of the electric separator, the electrostatic force acting on the mineral is different e to the different electrical conctivity of the mineral, so the mineral can be separated. Electric separation is used for the separation of rare metals, non-ferrous metals and non-metallic ores. At present, it is mainly used for separation and cleaning of mixed coarse concentrate; Such as the separation of scheelite and cassiterite; The separation of zircon and tantalum niobium ore, etc. Beneficiation equipment includes: ball mill, magnetic separator, dry magnetic separator, wet magnetic separator, magnetite beneficiation equipment, flotation machine, mine flotation machine, classifier, spiral classifier, high weir spiral classifier, dryer, rotary kiln, shaker, elevator, high frequency screen, finished proct screen, high efficiency thickener, spiral chute, disc granulator, trough feeder, Energy saving ball mill.
8. Commonly used mineral processing equipment
crushers: jaw crusher, hammer crusher, impact crusher, cone crusher, toothed roller crusher, double roller crusher= http://www.chinapsj.com ]Crusher, etc
ball mill:
cement ball mill, cone ball mill, ceramic ball mill, energy saving ball mill, high energy ball mill, high fine ball mill, lattice ball mill, overflow ball mill, etc
screening and classification equipment: high frequency screen, circular vibrating screen, linear vibrating screen, roller screen, finished proct screen, classifier, etc
magnetic separator: wet magnetic separator, dry magnetic separator; High magnetic field magnetic separator, medium magnetic field magnetic separator and low magnetic field magnetic separator; River sand magnetic separator, wet permanent magnetic drum separator, etc
flotation machine: SF flotation machine, XJK series flotation machine, stirring flotation machine, etc
beneficiation auxiliary equipment: vibrating feeder, trough feeder, mixing drum, bucket elevator, penlum feeder, electromagnetic vibrating feeder, high efficiency thickener, disc granulator, disc feeder, shaker, spiral chute, cement mill / raw material mill, MBS rod mill, etc
drying and calcining equipment: dryer, rotary kiln, etc. Although some beneficiation technology and concentrate quality of China's iron ore processing equipment have reached the international advanced level, the new requirements of iron and steel instry for iron concentrate pose new challenges to China's iron ore processing equipment e to the poor, miscellaneous, fine and various characteristics of China's iron ore, There is still a deeper development in the mineral processing equipment and technology of metallurgical mines in China:
(1) the mineral processing equipment should further strengthen the research on the mineral processing technology of very fine grained red iron ore and composite polymetallic red iron ore, so as to further improve the utilization rate of China's lean red iron ore
(2) in the promotion and application of high-quality iron concentrate beneficiation technology represented by magnetic separation reverse flotation and high-efficiency magnetic separation, the beneficiation process should be as efficient and simple as possible. Therefore, the research on beneficiation equipment and beneficiation process should be strengthened to achieve the best effect with the most appropriate process as far as possible. The reverse flotation process has an important application prospect in improving the recovery of metals, and the research on reverse flotation reagents should be strengthened
(3) while continuing to pay attention to the technology of raising iron and recing silicon in iron concentrate, the research on the technology of recing other harmful impurities, including s, P, K, Na and F, should be paid more attention to in the future
(4) in terms of grinding and separation equipment, we should pay attention to the introction and cooperative development of energy-saving ultra-fine grinding equipment in the future, increase the introction and digestion of foreign advanced technology and equipment, and improve the overall level of China's iron ore technology and equipment as soon as possible. At the same time, it is necessary to consider the development and research of coarse particle tail discarding process and related equipment. We should further strengthen the development of energy-saving beneficiation equipment which can effectively recover fine iron minerals, including permanent magnetization of high-intensity magnetic equipment, fine particle flotation machine and flotation column. It is necessary to further study the multi drum magnetic separator with multi section continuous separation performance. Abstract: [url]= http://www.chinapsj.com ]China crusher website
crushers: jaw crusher, hammer crusher, impact crusher, cone crusher, toothed roller crusher, double roller crusher= http://www.chinapsj.com ]Crusher, etc
ball mill:
cement ball mill, cone ball mill, ceramic ball mill, energy saving ball mill, high energy ball mill, high fine ball mill, lattice ball mill, overflow ball mill, etc
screening and classification equipment: high frequency screen, circular vibrating screen, linear vibrating screen, roller screen, finished proct screen, classifier, etc
magnetic separator: wet magnetic separator, dry magnetic separator; High magnetic field magnetic separator, medium magnetic field magnetic separator and low magnetic field magnetic separator; River sand magnetic separator, wet permanent magnetic drum separator, etc
flotation machine: SF flotation machine, XJK series flotation machine, stirring flotation machine, etc
beneficiation auxiliary equipment: vibrating feeder, trough feeder, mixing drum, bucket elevator, penlum feeder, electromagnetic vibrating feeder, high efficiency thickener, disc granulator, disc feeder, shaker, spiral chute, cement mill / raw material mill, MBS rod mill, etc
drying and calcining equipment: dryer, rotary kiln, etc. Although some beneficiation technology and concentrate quality of China's iron ore processing equipment have reached the international advanced level, the new requirements of iron and steel instry for iron concentrate pose new challenges to China's iron ore processing equipment e to the poor, miscellaneous, fine and various characteristics of China's iron ore, There is still a deeper development in the mineral processing equipment and technology of metallurgical mines in China:
(1) the mineral processing equipment should further strengthen the research on the mineral processing technology of very fine grained red iron ore and composite polymetallic red iron ore, so as to further improve the utilization rate of China's lean red iron ore
(2) in the promotion and application of high-quality iron concentrate beneficiation technology represented by magnetic separation reverse flotation and high-efficiency magnetic separation, the beneficiation process should be as efficient and simple as possible. Therefore, the research on beneficiation equipment and beneficiation process should be strengthened to achieve the best effect with the most appropriate process as far as possible. The reverse flotation process has an important application prospect in improving the recovery of metals, and the research on reverse flotation reagents should be strengthened
(3) while continuing to pay attention to the technology of raising iron and recing silicon in iron concentrate, the research on the technology of recing other harmful impurities, including s, P, K, Na and F, should be paid more attention to in the future
(4) in terms of grinding and separation equipment, we should pay attention to the introction and cooperative development of energy-saving ultra-fine grinding equipment in the future, increase the introction and digestion of foreign advanced technology and equipment, and improve the overall level of China's iron ore technology and equipment as soon as possible. At the same time, it is necessary to consider the development and research of coarse particle tail discarding process and related equipment. We should further strengthen the development of energy-saving beneficiation equipment which can effectively recover fine iron minerals, including permanent magnetization of high-intensity magnetic equipment, fine particle flotation machine and flotation column. It is necessary to further study the multi drum magnetic separator with multi section continuous separation performance. Abstract: [url]= http://www.chinapsj.com ]China crusher website
9. 1. Gravity separation
gravity separation is based on the difference of relative density (usually called specific gravity) of minerals. The mineral particles with different densities in the moving medium (water, air and heavy liquid) are affected by hydrodynamic and various mechanical forces, resulting in suitable loose stratification and separation conditions, so that the mineral particles with different densities can be separated< 2. Flotation method
flotation method is based on the difference of physical and chemical properties of mineral surface, through flotation reagent treatment, the useful minerals selectively adhere to the bubble, to achieve the purpose of separation
non ferrous metal ores, such as copper, lead, zinc, sulfur and molybdenum, are mainly treated by flotation; Some ferrous metals, rare metals and some non-metallic ores, such as graphite ore and apatite, are also separated by flotation< Magnetic separation is based on the different magnetic properties of minerals. Different minerals are subject to different forces in the magnetic field of the magnetic separator, so as to be separated. It is mainly used to separate ferrous metal ores (iron, manganese and chromium); It is also used for the separation of nonferrous and rare metal ores< Electric separation is based on the difference of electrical conctivity of minerals. When the mineral passes through the high voltage electric field of the electric separator, the electrostatic force acting on the mineral is different e to the different electrical conctivity of the mineral, so the mineral can be separated. Electric separation is used for the separation of rare metals, non-ferrous metals and non-metallic ores. At present, it is mainly used for separation and cleaning of mixed coarse concentrate; Such as the separation of scheelite and cassiterite; The separation of zircon and tantalum niobium ore, etc
mineral processing equipment includes: ball mill, magnetic separator, dry magnetic separator, wet magnetic separator, magnetite mineral processing equipment, flotation machine, mine flotation machine, classifier, spiral classifier, high weir spiral classifier, dryer, rotary kiln, shaker, elevator, high frequency screen, finished proct screen, high efficiency thickener, spiral chute, disc granulator, trough feeder, Energy saving ball mill.
gravity separation is based on the difference of relative density (usually called specific gravity) of minerals. The mineral particles with different densities in the moving medium (water, air and heavy liquid) are affected by hydrodynamic and various mechanical forces, resulting in suitable loose stratification and separation conditions, so that the mineral particles with different densities can be separated< 2. Flotation method
flotation method is based on the difference of physical and chemical properties of mineral surface, through flotation reagent treatment, the useful minerals selectively adhere to the bubble, to achieve the purpose of separation
non ferrous metal ores, such as copper, lead, zinc, sulfur and molybdenum, are mainly treated by flotation; Some ferrous metals, rare metals and some non-metallic ores, such as graphite ore and apatite, are also separated by flotation< Magnetic separation is based on the different magnetic properties of minerals. Different minerals are subject to different forces in the magnetic field of the magnetic separator, so as to be separated. It is mainly used to separate ferrous metal ores (iron, manganese and chromium); It is also used for the separation of nonferrous and rare metal ores< Electric separation is based on the difference of electrical conctivity of minerals. When the mineral passes through the high voltage electric field of the electric separator, the electrostatic force acting on the mineral is different e to the different electrical conctivity of the mineral, so the mineral can be separated. Electric separation is used for the separation of rare metals, non-ferrous metals and non-metallic ores. At present, it is mainly used for separation and cleaning of mixed coarse concentrate; Such as the separation of scheelite and cassiterite; The separation of zircon and tantalum niobium ore, etc
mineral processing equipment includes: ball mill, magnetic separator, dry magnetic separator, wet magnetic separator, magnetite mineral processing equipment, flotation machine, mine flotation machine, classifier, spiral classifier, high weir spiral classifier, dryer, rotary kiln, shaker, elevator, high frequency screen, finished proct screen, high efficiency thickener, spiral chute, disc granulator, trough feeder, Energy saving ball mill.
10.
According to the provisions of the mineral resources law of the people's Republic of China, Article 39, in violation of the provisions of this law, mining without a mining license, entering the state planned mining area, mining within a mining area of great value to the national economy, and mining specific minerals prescribed by the state for protective mining, Order to stop mining and compensate for losses, confiscate the mined mineral procts and illegal income, and may concurrently impose a fine; Those who refuse to stop mining and cause damage to mineral resources shall be investigated for criminal responsibility in accordance with the provisions of Article 156 of the criminal law
Units and indivials who enter the mining areas of state-owned mining enterprises and other mining enterprises established by others according to law shall be punished in accordance with the provisions of the preceding paragraph Article 40 If mining beyond the approved mining area, it shall be ordered to return to the mining area for mining and compensate for the losses, and the mineral procts and illegal income from cross-border mining shall be confiscated and a fine may be imposed; Those who refuse to return to the mining area for mining and cause damage to mineral resources shall have their mining license revoked and the persons directly responsible shall be investigated for criminal responsibility in accordance with the provisions of Article 156 of the criminal law Article 41 Anyone who steals or seizes mineral procts or other property of mining enterprises or exploration units, damages mining and exploration facilities, or disturbs the order of proction and work in mining areas and exploration areas shall be investigated for criminal responsibility in accordance with the relevant provisions of the criminal law; If the circumstances are obviously minor, the offender shall be punished in accordance with the relevant provisions of the regulations on administrative penalties for public security Article 42 Where mineral resources are sold, leased or transferred in other forms, the illegal gains shall be confiscated and a fine shall be imposed If anyone, in violation of the provisions of Article 6 of this law, resells the exploration right or mining right for profit, his exploration license or mining license shall be revoked, his illegal income shall be confiscated and he shall be fined Article 43 anyone who, in violation of the provisions of this law, purchases or sells mineral procts uniformly purchased by the State shall have his mineral procts and illegal income confiscated and may also be fined; If the circumstances are serious, criminal responsibility shall be investigated in accordance with the provisions of articles 117 and 118 of the criminal law Article 44 anyone who, in violation of the provisions of this law, adopts destructive mining methods to mine mineral resources shall be fined and his mining license may be revoked; If serious damage is caused to mineral resources, the person directly responsible shall be investigated for criminal responsibility in accordance with the provisions of Article 156 of the criminal law Article 45 The administrative penalties prescribed in articles 39, 40 and 42 of this Law shall be decided by the Department in charge of the administration of Geology and mineral resources of the people's government at or above the county level within the limits of authority prescribed by the Department in charge of Geology and mineral resources under the State Council. The administrative penalty prescribed in Article 43 shall be decided by the administrative department for Instry and Commerce of the people's government at or above the county level The administrative penalty stipulated in Article 44 shall be decided by the Department in charge of Geology and mineral resources of the people's Government of the province, autonomous region or municipality directly under the central government. The punishment of revoking the exploration license or mining license shall be decided by the original license issuing organ If an administrative penalty should be imposed in accordance with the provisions of articles 39, 40, 42 and 44, but no administrative penalty is imposed, the Department in charge of Geology and mineral resources of the people's government at a higher level shall have the right to order correction or directly impose administrative penalty Article 47 the Department in charge of Geology and mineral resources of the people's government at a higher level shall have the right to cancel the exploration license and mining license illegally issued Article 48 those who obstruct state functionaries engaged in the supervision and administration of mineral resources exploration and mining from performing their ties according to law by means of violence or threat shall be investigated for criminal responsibility in accordance with the provisions of Article 157 of the criminal law; Those who refuse or hinder state functionaries engaged in the supervision and administration of mineral resources exploration and mining from performing their ties according to law without violence or threat shall be punished by the public security organs in accordance with the provisions of the regulations on administrative penalties for public security Article 156 Whoever intentionally destroys public or private property, if the circumstances are serious, shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or fine Article 157 Whoever obstructs a state functionary from performing his ties according to law by means of violence or threat, or refuses to execute a legally effective judgment or written order of a people's court, shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention, fine or deprivation of political rights Article 158 forbids anyone to disturb social order by any means. If the circumstances of disrupting social order are serious, so that work, proction, business, teaching and scientific research cannot be carried out, and the state and society suffer serious losses, the ringleaders shall be sentenced to fixed-term imprisonment of not more than five years, criminal detention, public surveillance or deprivation of political rightsHot content