Tunnel miner

1. Xiangyang once had more than 30 slag raking machine factories, which closed down last year. Zhongliang and Shuailong are recommended as the two with the highest quality and cost performance.

2. Classification of mining machinery
crushing equipment
crushing equipment is the mechanical equipment used to crush minerals
crushing operations are usually divided into coarse crushing, medium crushing and fine crushing according to the size of feeding and discharging particles. The commonly used sand and stone equipment include jaw crusher, impact crusher, impact crusher, compound crusher, single stage hammer crusher, vertical crusher, rotary crusher, cone crusher, roller crusher, double roller crusher, two in one crusher, one-time molding crusher, etc
it can be divided into six categories according to crushing mode and mechanical structure characteristics (action principle)
(1) jaw crusher (tiger mouth). The crushing action is that the movable jaw plate periodically presses the fixed jaw plate to crush the ore block sandwiched in it< (2) cone crusher. The ore block is between the inner and outer cones, the outer cone is fixed, and the inner cone swings eccentrically to crush or break the ore block
(3) roller crusher. In the gap between two opposite rotating round rollers, the ore block is mainly crushed continuously, but it also has the function of grinding and stripping, and the toothed roller surface also has the function of splitting
(4) impact crusher. The ore block is broken by the impact of fast rotating moving parts. Belong to this category can be divided into: hammer crusher; Cage crusher; Impact crusher
(5) grinding machine. The ore is crushed by the impact and grinding of grinding medium (steel ball, steel bar, gravel or ore block) in the rotating cylinder
(6) other types of crushers and grinders
mining machinery
mining machinery is the mechanical equipment used for directly mining useful minerals and mining preparation, including: mining machinery for mining metal ores and non-metal ores; Coal mining machinery for mining coal; Oil drilling and proction machinery for oil proction. The first pneumatic disc shearer was designed by the British engineer Walker and manufactured in 1868. In the 1880s, hundreds of oil wells in the United States were successfully drilled by steam powered percussion drilling. In 1907, the roller drill was used to drill oil wells and natural gas wells. Since 1937, it has been used to drill open-pit mines< Mining machinery
the mining machinery used in underground and open-pit mines include: drilling machinery for drilling blastholes; Mining machinery and loading and unloading machinery for mining and loading rocks; Boring machine for drilling raise, shaft and drift< Drilling machinery can be divided into rock drill and drilling machine, and drilling machine can be divided into open-pit drilling machine and underground drilling machine
① rock drill: it is used to drill blastholes with a diameter of 20-100 mm and a depth of less than 20 m in medium hard rock. According to its power, it can be divided into pneumatic, internal combustion, hydraulic and electric rock drills, among which pneumatic rock drill is the most widely used
② surface drilling rig: according to the working mechanism of crushing ore and rock, it can be divided into wire rope percussion drilling rig, down the hole drilling rig, cone drilling rig and rotary drilling rig. Because of the low efficiency, the wire rope percussion drill has been graally replaced by other drills
③ downhole drilling machine: when drilling borehole with diameter less than 150 mm, in addition to rock drill, 80-150 mm small diameter down the hole drill can also be used
roadheader
it is a kind of mechanical equipment for directly crushing ore and rock by using the axial pressure and rotary force of the cutter to roll the rock surface. The cutter used includes disc hob, wedge hob, ball hob and milling cutter. According to the different driving roadway, it is divided into raise boring machine, shaft boring machine and drift boring machine
① raise boring machine is specially used for drilling raise and pass. Generally, it doesn't need to enter the raise for operation. The guide hole is drilled with a cone bit, and the hole is enlarged upward with a reamer composed of disc hobs
② the vertical drilling rig is specially used for drilling a well at one time, which is composed of drilling tool system, rotary device, derrick, drilling tool lifting system and mud circulation system
③ drift digger is a comprehensive mechanized equipment which combines mechanical rock breaking and slag removal and continuously dries. It is mainly used for tunneling in coal roadway, engineering tunnel in soft mine and middle drift with medium hardness and above
coal mining machinery
coal mining operation has developed from semi mechanization in 1950s to comprehensive mechanization in 1980s. Comprehensive mechanized coal mining is widely used in shallow cut double (single) drum combined shearer (or plough), flexible scraper conveyor, hydraulic self moving support and other equipment, so as to realize comprehensive mechanization in crushing, coal dropping, coal loading, transportation, support and other aspects of mining face. The double drum shearer is a coal dropping machine. The motor transmits the power to the screw drum through the cutting part recer, and the movement of the machine is realized by the motor through the driving device of the traction part. There are basically two ways of traction, namely, anchor chain traction and non anchor chain traction. Anchor chain traction is realized by the engagement of the sprocket of the traction part and the anchor chain fixed on the conveyor
oil drilling and proction
onshore oil drilling and proction machinery. According to the proction process, it is divided into drilling machinery, oil proction machinery, workover machinery and fracturing and acidizing machinery to maintain high proction. A complete set of mechanical equipment for drilling or drilling proction wells for the development of oil or natural gas. Oil drilling machine, including derrick, winch, power machine, mud circulation system, pulley system, rotary table, wellhead device and electrical control system. The derrick is used to install crown block, traveling block and hook, lift other heavy objects up and down the drill floor, and hang drilling tools in the well for drilling
mineral processing machinery
mineral processing is a process of selecting useful minerals from the collected mineral raw materials according to the differences of 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. Jaw crusher, rotary crusher, cone crusher, roller crusher and impact crusher are commonly used in crushing machinery. Cylinder mill is the most widely used in grinding machinery, including rod mill, ball mill, gravel mill and ultra-fine laminated autogenous mill. Inertia vibrating screen and resonance screen are commonly used in screening machinery. Hydraulic classifier and mechanical classifier are widely used in wet classification. The commonly used separation flotation machine is full section airlift micro bubble flotation machine, and the well-known dewatering machine is multi frequency dewatering screen tailings dry discharge system. Superfine laminated autogenous mill is more famous in crushing and grinding system<
drying machinery
the special dryer for slime is a new type of special drying equipment developed on the basis of drum dryer, which can be widely used in the drying of slime, raw coal, flotation clean coal, mixed clean coal and other materials in coal instry
2. Drying of blast furnace slag, clay, bentonite, limestone, sand, quartzite and other materials in construction instry
3. Drying of various metal concentrates, waste resie, tailings and other materials in mineral processing instry
4. Drying of non heat sensitive materials in chemical instry.

4. After the purchase of the slag raking machine, there will be a trial run of the slag raking machine. At this time, we must pay attention to some details, because these will affect the service life of the slag raking machine and the personal safety of the users in the future. The staff of yonglitong slag raking machine manufacturer will tell you some safety rules for the trial run of the slag raking machine. I hope all mining enterprises will pay attention to them Replace the hydraulic oil according to the safety manual of the slag remover, and replace it regularly. When selecting the hydraulic oil, we must select the procts that meet the national regulations, so as to prevent the lack of power of the machine caused by the fake hydraulic oil< Second, let the motor idle for 3-5 minutes before running down the well, so that there is enough heating time before the motor works, and prevent the motor from being damaged e to overload operation and high-speed operation
thirdly, in the first 100 hours of slag raking machine, it plays a crucial role in the future life of slag raking machine. Many mine owners do not pay attention to it. When they realize it later, the machine is old and the internal parts have been "injured", so no matter how you maintain it, it may be irreparable. So the maintenance of the new machine is very critical for the later use
1. Regularly check and replace the hydraulic oil of the slag scraper, and select high-quality hydraulic oil in strict accordance with the use requirements
2. Regularly check the lubricating oil of the ore raking machine, and frequently beat, change and maintain it to ensure the lubricating effect
3. Regularly check the underground and internal lines of slag raking machine, and timely replace the aging lines
4. Check all parts of the machine regularly to see if they are firm Especially whether the road joint is loose (oil leakage)
5. For the crawler slag scraper, it is necessary to regularly check whether the links of each part are loose
the correct and perfect maintenance of the new car will determine the service life of the slag remover. Therefore, when using the slag raking machine, we must fully grasp and skillfully use the maintenance knowledge of the slag raking machine.

5. The black screen may be that the machine automatically enters the sleep state. Generally, pressing the FN key for about 1.5 seconds will wake up the system.
it may also be that the pirated operating system has been blacked out by Microsoft once an hour, See if your pirated system has installed the authentication patch again

when the blue screen is installed, write down the code of the blue screen, and then find out whether it is a hardware or software problem

after determining the root cause of the problem, you can plan for the next step. Good luck

you guys can type fast!

6. Brief introction: Registration No.: * * * location: Chongqing registered capital: RMB 5.06 million legal representative: Tan Qiyu enterprise type: limited liability company registration status: Surviving registration authority: Jiangjin District branch of Chongqing Administration for Instry and Commerce registered address: No.24, Jinyuan Road, B District, Luohuang Instrial Park, Jiangjin District, Chongqing legal representative: Tan Qiyu establishment time: May 15, 1997 R / > registered capital: RMB 10 million
Business Registration No.: 500107000017376
enterprise type: limited liability company
address: No.24, Jinyuan Road, B District, Luohuang Instrial Park, Jiangjin District, Chongqing

7.

Kaolin calcination processing technology belongs to the category of non-metallic mineral processing. The first is beneficiation, crushing the ore and grinding it into powder below 325 mesh. Then, the powder is sent to the pulp barrel for mixing and beating with water and dispersant, and the superfine damage is carried out to 4500-6000 mesh; Then the superfine damaged slurry is dried and dispersed, and sent to the calciner for calcination. When calcining, 1-3% of the total amount of whitener is added. The whitener is composed of clean coal, sodium sulfate and sodium chloride, and is mixed according to the proportion of 10 ∶ 0.3 ∶ 0.2

the calcination temperature is 970-990 ℃, and the calcination time is 30-40 minutes; Finally, the packaging was broken up to make procts. The whiteness of kaolin calcined by this technology can reach 90-95, and the particle size can reach 4500-6000 mesh. The high whiteness and superfine calcined kaolin procts are mainly used in papermaking, high-grade coatings and other instrial fields. In order to satisfy the higher fineness requirements of kaolin in papermaking, plastic and rubber procts instries, it is necessary to add the fineness of kaolin, and then further improve the quality of procts

The superfine grinding process mainly includes grinding and stripping, high-pressure extrusion and airflow destruction. Kaolin grinding equipment generally choose Raymond grinding equipment or vertical grinding machine. Raymond mill is also called Raymond mill. It is mainly suitable for various kinds of mineral powder preparation, coal powder preparation, such as kaolin, gypsum ore, coal and other materials of fine powder processing, so its use in kaolin proction line is indispensable

8. Cement sleeper is also called concrete sleeper, also called concrete sleeper. Zmjt030 is composed of concrete and steel bars. It has a hard appearance and long service life. First of all, let's explain the classification of cement sleeper rail; According to the installation method, cement sleepers can be divided into U-ring and bolt pressing plate type. The U-ring sleeper is easy to install, just put the rail between two u-rings, pad the rubber pad under it, and then hit the U-ring with a sledgehammer to press the rail. The bolt pressing plate of cement sleeper is made of T-shaped bolts which are passed through the reserved hole under the sleeper, and fixed on the pressing plate to press the rail. A sleeper needs 4 sets of bolts, 4 pressing plates and 2 rubber pads. This kind of sleeper is easy to maintain and can be reused
advantages of cement sleepers
the cement sleepers need steam demoulding for one-time forming, with smooth appearance, hard inside and multiple rebar. Cement sleepers have a wide range of material sources, the same specifications, uniform elasticity, good insulation, high stability, not affected by external conditions such as weather and temperature, and long service life. In addition to saving a lot of high-quality steel, prestressed concrete sleepers also have the advantages of long service life, good track stability and meeting the requirements of high speed and large traffic volume
normal specification of cement sleeper
1. Ordinary sleeper: width 220mm; The thickness is 160mm; The length is 2500 mm
2. Turnout sleeper (common): width 220mm; The thickness is 160mm; The length is 2600 ~ 4850 mm, carried by 150 mm, with a total of 16 length specifications; Brand: Zhongmei
3. Turnout sleeper (standard): width 240mm; The thickness is 160mm; The length is 2600 ~ 4800 mm, carried by 200 mm, with a total of 12 length specifications
4. Bridge sleeper: width 220mm; The thickness is 240, 260, 280 and 300 mm; The length is 3000mm.