20111212梁宝寺煤矿洗煤厂练习题

20111212梁宝寺煤矿洗煤厂练习 题 快递公司问题件快递公司问题件货款处理关于圆的周长面积重点题型关于解方程组的题及答案关于南海问题 Fill in the blanks: 1 、 the feed of the magnetic separator for clean coal comes from (). 2, when the sieve is removed, it can be divided into two sections, namely (()). 3, each centrifuge has () a motor, its name is (). 4, the tailings of magnetic separation tailings is (). 5, the coal preparation process adopted by Liang Bao Temple coal preparation plant is (). 6, equipment in operation failure, must () deal with. When overhauling equipment or entering the machine, it must strictly carry out () system and set up special personnel. 7, the vibration of the sieve is mainly through () to complete. 8. The name of the reagent for speeding up slime sedimentation is (). 9, each stripping screen has () way out of water. 10. The main equipment for washing coal in the main washing shop is (). 11, 329 pump is to () beat material. 12, each pump transmission device is (). 13, the role of buoys is (). 14, 850 pump is to () beat material. 15. The agitation of the qualified medium barrel is accomplished through (). The pressure of the pumps 16, 324 and 325 is regulated by (). 17, 306, fixed sieve, 310 arc screen sieve material is whereabouts (). 18. The function of the splitter box is (). 19, the main washing workshop layer on each barrel grate role is (). 20. The coal silo is used as a small vibrating sieve under the coal machine. 21, 334 fine coal magnetic separator tailings bucket is used to () to feed. 22 、 the dewatering parts inside the centrifuge are called (). 23, cleaning the belt corridor hygiene, hit () will lead to a sudden stop belt. 24 and 322 scraper material comes from (). 25. The name of the reagent used in clean coal and water is (). 26, 701 belt conveyor products are (), 702 belt conveyor products is (). 27, the device operation button in () state, the centralized control can not start. 28, the use of recycled water, you need to open () pump. 29, the role of anti leather is. 30, our coal preparation plant has () a product warehouse. 31, the cyclone underflow is two (to), () is to overflow. 32, concentrated cyclone underflow and overflow (to) (to). 33. The whereabouts of the sieve under the fixed screen. 34. The function of water spraying on each stripping screen is (). The ionizing radiation is near (35, 324, 325) of the pump. 36. The function of the buffer barrel above the magnetic separator is (). 37 、 the capacity of each reagent barrel is (). 38, the main washing workshop has () a belt with a belt scale, its role is (). 39, when blocking the throat, the 504 post driver should hit the baffle to () no.. 40, centrifuge centrifugal liquid is to go () barrel. 41. When the pipe is blocked, a large amount of waste rock appears on the screen. 42, 703 pump is to () beat material. 43, belt conveyor's main component, belt conveyor mainly by the machine head, (tail), (tension device) and cleaning device composition. 44, the role of roller is (support conveyor belt), reduce the conveyor belt (operation resistance), and make the conveyor belt sag is not more than a certain limit, in order to ensure the smooth operation of the conveyor belt. 45, belt conveyor belt or due to overload on the conveyor belt (deviation) due to severe belt brake, slippage, if not timely stop processing, the driving drum and the belt friction caused by (fire). 46, on the inclined belt conveyor for conveying material, in order to prevent load parking (or reverse) (smooth), or for the parking time of belt conveyor with strict requirements, should set the brake device. 47, brake device according to different ways of working (non-return device) and (brake). 48. The driving device is used to provide traction (or traction) when the belt conveyor is in normal operation. 49, the main washing workshop, a layer of waste water is the whereabouts of coal (). 50 、 the function of distributing scraper is (). Choice question: 1, due to power outages, downtime, in addition to reporting to the higher authorities, the electrical control switches should be placed (B) position. A, start B, stop C, signal D, zero 2, no overload forced start. When the belt is discovered, it starts 2 times, and each time is not more than (A) seconds. When it is still unable to start, the coal on the conveyor belt must be removed. After the normal operation, the coal will be transported out of the conveyor belt. A, 15 B, 20 C, 25 D, 30 3, belt conveyor has large volume, can adapt to larger tilt angle, generally upward transport of coal 18 degrees, down transport coal 15 degrees, large angle upward belt conveyor upward transport of coal to reach (C). A, 15 degrees B, 20 degrees C, 25 degrees D, 30 degrees 4, conveyor belt conveyor must be kept clean, ensure the motor, hydraulic coupling and reducer have good heat dissipation conditions. In operation, the temperature rise of the motor shall not exceed 80 degrees centigrade, the temperature rise of the hydraulic coupling shall not exceed (C) DEG C, and the temperature rise of the reducer and each bearing shall not exceed 65 degrees centigrade. A, 65 B, 80 C, 110 D, 120 5, groove shaped roller generally consists of 3 short idlers, the groove angle is generally (D), mainly used for the upper roller A, 15 B, 20 C, 25 D, 30 degrees 6, cleaning device, mounted in the head unloading drum (C), The scraper is close to the outer surface of the conveyer belt; besides, the utility model is arranged at the reversing drum near the tail, and is generally a plough shaped sweeper. A, upper B, middle C, lower D, one side 7, the operation found that the following circumstances, D parking must be C (A B emergency): A receive an emergency stop signal or an unknown signal. B, main operating equipment failure. C, conveyor with tear phenomenon. D and other unexpected serious conditions. 8. The main roller of belt conveyor has (A, B, C, D): A, carrying roller, B, return roller, C, self-aligning roller, D, cushion roller Judgment question: 1, conveyor operation, personnel can enter the fence, cleaning head, tail drum and nearby floating coal. (x) 2, the normal operation, is strictly prohibited with load stop. (V) 3, after receiving the stop signal, such as "stop" button failure, you can press the emergency stop button or disconnect the power switch on the console. (V) 4. When transporting coal, the conveyer belt can transport personnel at the same time. (x) 5, must not overload operation, must adjust the coal transportation speed according to the load condition. (x) 6, several belt conveyor lap transportation, must be in accordance with "from behind, followed by Taiwan, in turn" in the order, the front conveyor does not open, the back of the conveyor is not allowed to start. (x) 7, forbid the personnel to ride the belt conveyer. (V) 8, available for belt conveyor transport equipment and heavy materials. (x) 8 、 when the conveyor is running, the head, tail drum and the floating coal nearby are forbidden to be cleaned. A sweeper that does not pull the belt. (V) 9, the conveyor belt deviation, you can use the hands, feet and other parts of the body directly contact the conveyor belt. (x) 10, do not stand on the conveyor to move the car. (V) 11, conveyor center and the center of the machine before and after the same, no deviation, elastic suitable, block the coal plate complete and intact. (V) 12 、 the conveyor must be opened and stopped according to the required signal. When there is no centralized control of multiple belt conveyors, the units should be started in accordance with the direction of the coal flow. (x) Interlocution: 1, how in the production site to determine whether blocking the throat?. 2, when cleaning up small vibration sieve and 302 scraper grate should pay attention to what. 3, the production site need to manually open the belt, what should pay attention to?. 4, describe the bottom pump position finger dictation. 5, brief description of scraper machine operation finger dictation. 6. Discuss the common faults and their causes of centrifuges. 7, 504 drivers need to post or position in which the shunt of coal under several conditions. 8, the use of knowledge learned, simple drawing of our heavy medium coal preparation process flow chart. 2