Wellay Tech

Checklist Of Motor running operation; 1 The Field Operator should not start the operation until the notice has been given. 2 The electric power of the motor is stopped by the Shift Chief-Operator and above, and is signed on the  operation ticket. 3 The motor start /stop should and operator must monitor the electrical parameter. Operator should  record the motor stop, start stop time and cause details. 4 The starting times of the motor should comply with the requirements of the manufacturer, and if the  manufacturer fails to make such provisions, the following provisions shall be observed: Operation And Maintenance Of Machinery; Squirrel cage rotor motor in normal cold state (core temperature below 50 DEG C) to start two times,  each time interval of not less than 5 minutes, allowed to start once in the hot state, only in dealing with the  accident and the start time is not more than 2 seconds to 3 seconds to start the motor, a. Do the dynamic  balance test,...

  Complete Fill Of The Working Ticket S ystem; The working ticket filling must use standard terminology, and equipment shall be indicated the name and number.  Arabic numerals (bus can use Roman numerals) are needed; Time is calculated at 24 h, year is filled in four digits, months, day, hour and minute are in digits. Working controller column: (also) the guardian, the working controller of a single task or more should be filled. Team column for A-team maintenance, the full name is filled; for several-team a comprehensive maintenance, the maintenance unit is filled. operation crew column: we should fill each staff's name for more than 10 people, we only fill in the name of 10 people,  with number (such as xxx, etc. For) other personal's  name should be into  the attached pages. The total number includes working controller, and the guardian shall be specified. Working location column: the specific location where maintenance equipment are.  Working content co...

Composition and operation of dosing device: Dosing system device components: Dissolved tank, stirrer, metering pump, level gauge, electrical control cabinet, pipe, valve, distributor, safety valve, regulator, pressure gauge, check valve, rack, etc. composition. Waste water Treatment System; The concentration of the drug should be adjusted according to the water quality and the effluent quality. Dissolved coagulant aid and coagulant agent should be used along with random, otherwise it will effect the treatment effect of the agent, effecting the quality of the effluent. Dissolved uneven, agglomerated agents can not be used, by using these agents dosing pipe and flow meter will block, resulting in poor chemical. Before starting the metering pump, open the inlet and outlet valves of the pump before and after the pump, start and close the isolation valve between the metering pumps. In operation, such as working pump failure should be cut off the working pump power, open, ...

Bucket Wheel Stacker Reclaimer; DQ1000/3200·40 Boom belt type bucket wheel stacker reclaimer (hereinafter referred to as bucket wheel stacker reclaimer) is a kind of large, continuous and efficient bulk cargo stacking & reclaiming equipment developed, designed and manufactured by Changchun Generating Equipment Group for Port QASIM 2×660MW Supercritical Coal-fired Power Plant Project. this machine has the function of stacking, reclaiming  and shuttling.  drive and boom conveyor etc transmission part. the equipment consists of bucket wheel mechanism, super steel structure, boom conveyor, main machine ladder and platform, luffing mechanism, slew deck and supporting pivot block assembly, slew mechanism, portal, center chute, long travel, central lubrication device, detection device, limit switch device, tripper car, ladder platform of tripper car, dust suppression device, 3 in 1 cable reel drum device, electrical system, external electric cable layout, operator’s cabin and bra...

Belt motor trip conditions; Belt motor trip conditions （ Or） :1) Tripping of motor vibration signal （>300μm ）, Vibration alarm(200μm); 2) High pressure electric drive end bearing temperature intelligent control box≥ 95℃(80℃ alarm);3) High pressure electric non-drive end bearing ultra-temperature intelligent control box ≥95 ℃(80℃ alarm);4) High electric temperature intelligent control box A Box winding point 1 ≥ 135 ℃(120℃ alarm);5) High electric temperature intelligent control box B Box winding point 1 ≥135 ℃(120℃ alarm);6) High electric temperature intelligent control box C Box winding point 1 ≥135 ℃(120℃ alarm); 7) Brake release signal.

Coal bunker dust collector interlock start, stop, trip conditions: Interlocking start condition: Corresponding to the falling signal of the original coal bunker, the dust collector is activated; the interlocking stop condition: corresponding to the lifting signal of the original coal bunker, and the dust collector is stopped for 180s. Roller screen interlock start, stop, trip conditions: Interlocking start condition: coal crusher running delay 10s; interlocking stop condition: roller screen blocking coal signal, delay 3s, roller screen interlock trip. Coal crusher interlocking start condition: Interlock start condition: The No.5 belt conveyor runs delay 5s. Coal handling system sequence accident trip conditions: Trip conditions Or）:1) Start, equipment failure, sequence control stopped; 2) Belt fault trip, inverse coal tripping of equipment; 3) Coal crusher fault trip, inverse coal tripping of equipment; 4) Roll screen: fault trip, inverse coal tripping of equipment; 5) The chute plug p...