Annular cooler bulk dolly control system and method
A control system, the technology of the ring cooler, which is applied to the sequence/logic controller in the direction of program control, electrical program control, processing of discharged materials, etc. problems, to achieve the effect of improving the level of automation, reducing maintenance costs, and broad market prospects
Inactive Publication Date: 2014-06-18
MCC NORTH (DALIAN) ENG TECH CO LTD
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Problems solved by technology
In these ways, the unloading efficiency of the bulk trolley is low, and the trolley failure rate is high
At the same time, due to many human factors, it also brings operational errors and personal safety hazards of on-site personnel.
Method used
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[0037] The specific embodiment of the present invention is further described below in conjunction with accompanying drawing:
[0038] like figure 1 As shown, the bulk material trolley control system of the annular cooler of the present invention includes a bulk material ash hopper 6, a bulk material trolley 1 arranged below the bulk material ash hopper 6, and a bulk material trolley walking track 2 arranged at the discharge port of the annular cooler The electronic belt scale 8 of 7 is characterized in that it also includes limit switch contacts 5 arranged at both ends of the traveling track 2 of the bulk material trolley, which are respectively arranged on the position of the unloading point of the traveling track of the bulk material trolley to approach the switch magnet 4, and respectively set Proximity switches 9 and limit switches 10 on both sides of the bulk trolley, bulk trolley motor actuators and computer analog control systems, the proximity switches and limit switch...
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The invention relates to an annular cooler bulk dolly control system. The annular cooler bulk dolly control system comprises proximity switch magnets arranged at the material unloading positions, located below a bulk ash bucket, on a bulk dolly walking track, limit switch contacts located at the two ends of the bulk dolly walking track, proximity switches and limit switches located on the two sides of a bulk dolly, an electronic belt weigher arranged at a discharge port of an annular cooler, a bulk dolly motor actuator and a computer analog quantity control system. The proximity switches and the limit switches are in signal connection with the computer analog quantity control system, and flow signals of the electronic belt weigher are in communication connection with signals of the bulk dolly motor actuator through the computer analog quantity control system. Compared with the prior art, the annular cooler bulk dolly control system has the advantages that according to changing of the material flow at an outlet of an annular cooler, a feasible task table of the bulk dolly is made, the system can adjust the task table in real time according to changing of the material flow at the outlet of the annular cooler, therefore, the material unloading efficiency of the bulk dolly is improved, the maintenance cost of the bulk dolly is reduced and the automation level of a whole factory is improved.
Description
technical field [0001] The invention relates to the technical field of industrial computer real-time control, in particular to a control system and a control method for a bulk material trolley of an annular cooler. Background technique [0002] The annular cooler is an important component of the cooling system in the production process of sinter and pellets. The rotary body of the ring cooler is driven to rotate by the main motor, reducer, open gear and sprocket. With the rotation of the rotary body, the hot pellets and hot sintered ore produced in the previous process will continuously fall to the trolley with grate holes in the rotary body through the feeding hopper. After the trolley rotates slowly, the minerals are gradually cooled by the cooling air from the lower part of the trolley, and finally discharged to the discharge port to enter the next production link. During the cooling process, mineral bulk materials and dust fall from the grate hole of the trolley to the...
Claims
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IPC IPC(8): F27B21/14F27B21/12F27D15/02G05B19/05
Inventor 吕庆张巍林立赵炯亮
Owner MCC NORTH (DALIAN) ENG TECH CO LTD