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Service life of coal mine electromechanical equipment
The following is the depreciation period of equipment in coal enterprises. The depreciation period is generally less than the service life (service life) of the equipment. With reference to depreciation years, 1-5 years is the service life of the equipment. I hope it works for you.

I. Table of Depreciation Duration of Equipment in Coal Industry Enterprises

Serial number equipment name specification model unit accessory equipment and description depreciation year Yang

(1) power equipment

1 power equipment

L- 1 Various models of turbo-generator include cooler, oil supply pump and magnetic field rheostat 23.

1-2 Various types of steam generators, various instruments, bases, etc. 23

L-3 tight oil power sails of various models 23

Various models of l-4 gasoline generators 23

1-5 train generator set platform 23

1-6 DC generator set 1.5 kw and above 23

1-7 DC motor 7.5 dry tile and above 20

1-8 20 ordinary AC motors of 7.5 kw and above.

1-9 explosion-proof AC motor 7 6 kW and above 15

L- 10 mine transformer lO KVA and above 20

1-1/ordinary transformer 10 dry volt-ampere and above 20

1- 12 10 kv and above special transformer 20

L- 13 voltage regulating transformer 10 KVA and above 20

L- 1 1 test transformer gap 10 KVA and above 20

1- 15 electric furnace transformer 10 KVA and above 20

1- 16 l glass shell mercury rectifier 20 models.

1- 17 Various types of metal case rectifiers 20

L- 18 selenium rectifier 20 models.

Various types of silicon rectifiers 20

1-20 various models of DC switchboard 18

L-2 1 various types of AC switchboards 18

1-22 Various types of converters 18

1-23 Various types of power reactors 18

1-24 18 6kv and above high-voltage circuit breaker

1-25 Various models of high-speed female circuit breakers Taiwan Province 18

Various models of l-26 high-voltage switchgear 18

1-27 various types of low-voltage switchgear 18

1-28 oil filter platform 18

L-29 charging stand 10

l-30

1-3 1 high voltage explosion-proof switch

Various types of low-voltage explosion-proof switches

200 Amps and Above

platform

Taiwan Province 10

five

1-32 voltage transformers of 35kv and above 18

35kV and above current transformer 18

Various models of l-34 copper oxide rectifier 20

1-35 2-year acidic electrostatic battery 2-5

1-36 arrester 1 10 kv and above alkaline five-year group 18

1-37 Various models of desktop switches 18

Various models of L-38 column switch 18

1-39 control switch, various platform ground wires 18

1-40 air conditioning unit 18

The small air conditioner with 700 kcal/hour is below 15.

1-4 1 electrostatic capacitor table 15-20

Various types of wind power generation equipment

Various models of 2-l air compressor include airbags, starters, etc. Fixed 19, mobile 10- 19.

2-2 Various models of ammonia compressor include gasbag, starter, etc. Fixed 19, mobile 10- 19.

2-3 oxygen compressor platform

2-4 Various models of diesel air compressors include diesel engines and airbags. 10- 19.

3 internal combustion equipment

Various types of 3- 1 diesel engines have been in the well for 20 years, and downhole 12 12-20.

Various models of 3-2 gasoline engines 20

3-3 Kerosene Machine 20

3-4 gas engine 20

4 steam power equipment

Various models of 4- 1 boiler include sodium ion exchanger, preheating device, economizer, etc.

Among them, the fast-loading boiler is 16.

(2) Conductive equipment

1 pipeline

1- 1 The steam pipe does not include underground, and it is inserted into the trench 30.

1-2 pipe strips/m2 20

L-3 water pipe strips/meter include ditches 20.

1-4 The diameter of underground water production pipeline is greater than 4/m 5.

1-5 when the diameter of underground irrigation pipe is 4, it is greater than 1 bar /m 5.

1-6 grouting pipe with a diameter greater than 4 hours/m includes pipe trench 10.

1-7 gas pipe diameter is greater than 4 hours /m 30.

1-8 drill string/m 10

L-9 core column /m 10

Second line

2-l high voltage transmission line/km 35

2-2 DC branch lines/km 20

2-3 lines of electric locomotives/km above the well is 30 years, and underground is 10-30 years.

2-4 Cable transmission line/30 years above the km well and 1O-30 years below the well.

2-5 Low-voltage transmission line/km underground 10 cement 15 tower for 30 years 10-30

20 years on the well, underground 10 years, 2-6 lighting lines /km.

2-7 telephone lines/km, wells over 20 years old, 15, 15-20.

2-8 signal lines /km, 20 years above ground, 0/0 years below ground, 10-20.

(3) Production equipment

1 mining equipment

Various models of l-l shovel 15

1-2 Various types of steam shovels 15

1-3 excavators of various models 15

Various models of l-4 dredger 15

L-5 piercer, various types of drilling platforms.

1-6 Various types of drilling machines 10

1-7 all kinds of bulldozers 10

1-8 bulldozers of various models 10

1-9 Various types of road mobile machinery 10

L- 10 shearer model was made in China for 7 years, and 10 was introduced.

1- 1 1 7 coal loaders of various models.

1- 12 Various types of rock loaders 7

1- 13 Various types of rock grab 7

L- 14 various types of drilling table 7

L- 15 8 reaming rigs of various models.

1- 16 8 heavy rigs of various models.

1- 17 Various types of shotcrete machines are underground for 3 years, above ground for 5 years, and 3-5 years.

2. Lifting device

2- 1 25 years for electric winches of various models over 2m, under 2m 15 years, 25 years for transportation 10, 15 years,

10

2-2 7 prop-pulling winches of various models.

2-3 8 endless rope winches of various models.

2-4 various types of internal gear winches 10

2-5 various types of scraper winches 10

2-6 stabilize all kinds of vehicles, 10 tons and above, 20 years, 10 tons and below, 10 years, 10-20 years.

2-7 Various types of scraper conveyors: 250 and below, 44 for 6 years and 4-6 for 4 years.

2-8 Various types of belt conveyors have been used in the well for 20 years, and underground 10+00-20.

2-9 various types of reprint machines 8

2- 10 Various types of screw conveyors 10

2- 1 1 various types of turnover conveyor tables lo

2- 12 l7 platform for rickshaws of various models

2- 13 various types of narrow gauge overhead electric locomotives have been used for 20 years on the ground and 10+00-20 underground.

2- 14 Various types of narrow-gauge battery electric locomotives have been used for 20 years in the well and 7-20 years in the underground.

2- 15 20 narrow-gauge diesel locomotives of various models.

2- 16 battery cars of various models 10

2-l7 cage platforms of various models are fixed for 5 years and not fixed for 3 years; 3-5

2- 18 Various types of jumping platforms 5

2- 19 various types of belt loaders 5

2-20 Rotary loaders of various models 5

2-2 1 Table 5 for Various Models of Plate Chain Machine

2-22 Various crane models exclude chain cranes and truck cranes 20.

2-23 The service life of various types of electric hoists is divided into 10-20 10-20 according to the lifting weight (ton).

2-24 Small Steam Locomotive Narrow Gauge Platform 20

2-25 Jack oil pressure 200 tons and above screw 50 tons and above Table 20

2-26 crown block 2.5m platform 10

2-27 harvesters of 4 tons or more, 6 vehicles.

2-28 Dumping Platform 5

2-29 Pusher platform 20

2-30 quasi-rail motor platform 18

2-3 1 dumping platform 15

2-32 forklift platform 12

3 drainage equipment

Various types of L-l industrial pumps, power 7.5kW, power 10.

L-2 acid-proof pump, various models, 2 hours and above caliber, 7

1-3 Reciprocating table for steam pumps of 7.5 kw and above 18

3-4 submersible pumps of 7.5 kW and above 10

3-5 Various types of deep well pumps lO

3-6 Various types of lift pumps 10

3-7 Various types of sand pumps 3

3-8 Various types of fire pumps 10

3-9 vacuum pumps of various models 10

3- 10 emulsion pump models 3

3- 1 1 5 mud pumps of various models.

3- 12 5 sewage pumps of various models

4 ventilation equipment

Various types of 4-l fans: axial flow type and off-core type (15), excluding local fans (18).

4-2 Various types of blowers 10

4-3 Various types of hot air blower devices lO

5 washing equipment

5- 1 Various types of fixtures 15

5-2 Various types of coal feeders 15

5-3 Various types of roller blinds 15

5-4 Various types of vibrating screen lO

5-5 Various models of dewatering screen Taiwan Province 10

5-6 All kinds of cylinder screen tables 15

5t * * * Vibrating screens of various models 15

5-8 hanging various types of tables lO

5-9 Fixed screens of various models 15

5- 10 Crushers of various models 15

5- 1 1 Various models of ball mill are introduced as 15.

5- 12 Various types of bucket hoists 15

5- 13 Various types of dense medium coal washers 15

5- 14 Various types of magnetic separators 15

5- 15 Flotation machines of various models 15

5- 16 symbol model table of coal washing machine 15

5- 17 Type Table of Inclined Wheel Sorter 15

5- 18 Various types of vacuum filters 15

5- 19 Chain Table of Centrifugal Dehydrator 15

Various models of 5-20 heavy coal feeder 15

Various models of 5-2l vacuum cleaners 15

5-22 Thickeners of various models 15

5-23 vacuum cleaners of various models 15

5-24 Various types of magnetic dewatering tanks 15

Various models of 5-25 dryers 15

5-26 Mixers of various models 10

6 refrigeration equipment

6- 1 refrigerator cover includes evaporator, condenser, oxygen storage, oil-ammonia separator, oil collector, etc.

6-2 intercooler 10

7 Drilling equipment group includes 20 components, including derrick, crown block hook, rotary table, scraper and forward bit.

8 drilling equipment

Various models 8- 1 drilling rig 15

8-2 Various types of truck rigs 15

Various models of 8-3 percussion drilling rig 15

8-4 Various types of iron rigs 15

8-5 Various types of mud mixers 10

8-6 Automatic Pipe Screwdrivers of Various Models 10

8-7 Various types of electric measuring winches 10

9 machinery manufacturing equipment

(1) common cutting machine tool

(1)- L lathes of various models 18

(1)-2 Create various models of Taiwan Province 18.

(1)-3 Various types of slotting machines 18

(1)-4 Milling machines of various models 18

(1)-5 Various types of drilling machines do not include bench drills 18.

(1)-6 Various types of boring machines 18

(1)-7 Various types of grinding machines 18

(1)-8 Broaching machines of various models 18

(1)-9 Various types of sawing machines 18

(1)- 10 Various types of gear processing machine tools 18

(1)- 1 1 various types of wire drawing machines 18

(1)- 12 Various types of EDM machine tools 18

(1)- 13 grinder with a diameter of 350 or more 18

(1)- 14 Various types of ECM machine tools 18

(2) Forging equipment of various models 17

In which: all kinds of forging hammer equipment 14.

(2)- 1 Table of various types of die forging hammers 14

(2)-2 Various types of free forging hammers 14

(3) Casting equipment

(3)- 1 sand mixers of various models 14

(3)-2 vibrating screens of various models 14

(3)-3 Various types of sand screening machines 14

(3)-4 Various types of core shooting machines 14

(3)-5 core-making machines of various models 14

(3)-6 Various types of shot blasting cleaning rollers 14

(3)-7 Various types of shot peening machines 14

(3)-8 Various types of molding machines 14

(3)-9 Various types of sand feeders 14

(3)- 10 Cupola of various models 13

(3)- 1 1 various types of electric arc furnaces 13

(3)- 12 crucible furnaces of various models 13

(4) Other mechanical equipment

(4)- 1 various types of shearing machines 18

(4)-2 Various types of printing machines 18

(4)-3 Various types of punching machines 18

(4)-4 extruders of various models 15

(4)-5 Shaper of various models 18

(4)-6 Various types of steel forging machines 17

(4)-7 Various types of welding machines 16

(4)-8 Various types of spot welders 16

(4)-9 Various types of butt welding machines 16

(4)- 10 Various types of brazing machines 18

(4)- 1 various types of rolling mills 18

(4)- 12 brazing machines of various models 18

(5) Heat treatment equipment

(5)- 1 various types of salt bath furnaces 15

(5)-2 Various types of annealing furnaces 15

(5)-3 Various types of resistance furnaces 15

(5)-4 Various types of quenching furnaces 15

(5)-5 Various types of carburizing furnaces 15

(5)-6 diesel boilers model 15

(5)-7 Various types of drying furnaces 16

(5)-8 reverberatory furnace model 15

10 Woodworking building materials and civil engineering equipment

(5) 18-L saw with a diameter of 400 mm and a power of 3 kw or more.

(5)-2 band saws of various models 18

(5)-3 sawing machines of different models i8

10-4 automatic band saw grinders of various models 18

10-5 Various types of hanging saws 10

10-6 universal grinding machines of various models 18

10-7 Automatic sharpening machines of various models 18

10-8 7 concrete mixers of various models.

10-9 chain saws of various models 10

10- 10 Various types of pile drivers 19

Ll- 1 1 Various types of pile drivers 19

1 1- 12 Various types of rollers 19

10- 13 Various types of metal transmission towers

10- 14 Various types of steel bar cutting machines 18

10- 15 Various types of steel bar levelers 18

1 1- 16 Various types of steel bar benders 18

10- 17 trenchers of various models 19

10- 18 Various types of woodworking lathes 18

10- 1 various types of woodworking planers 18

10-20 tenon and groove machines of various models 18

10-2 1 5 mortar mixers of various models.

10-22 cement spray gun, various models, platform 5

10-23 5 mortar pumps of various models.

10-2l 5 concrete sprayers of various models.

10-25 5 beaters of various models.

10-26 Various types of concrete vibrating tables 18

10-27 Various types of steel bar cold-drawing machines 18

Various models of lO-28 prestressed tensile machine for reinforcing steel bars 18

10-29 Various types of woodworking drilling machines 18

10-30 terrazzo machine models 18

10-3l gravel classifier of various models 18

10-32 various types of polishing machines 18

10-33 List of various models of claw pulverizer 18

1 1 initiating explosive device

Various models of ll-l crusher 15

1l-2 Various types of roller machines 15

1 1-3 chargers of various models 15

1 1-4 Various types of drug coolers 15

1 1-5 Various types of paper tube winder 15

1 1-6 Various types of edgers 15

1 1-7 various types of machines 15

1 1-8 fuse cutting machines of various models 15

1 1-9 granulators of various models 15

1 1- 10 Various types of fuse breakers 15

1 1- 1l Various types of paper pad machines 15

12 kiln equipment

12- 1 pipe making machine platform 14

12-2 brick making machine 14

12-3 tiling machine platform 14

13 printing equipment

13- 1 paper cutter workbench 16

13-2 print table 16

13-3 typewriter 16

13-4 Stapler 16

13-5 eight-page machine platform 16

13-6 board making machine 16

13-7 Proofing Table 16

13-8 aluminum alloy die set 16

14 miner's lamp equipment

L4- 1 convergence platform 18

14-2 diameter forming support 18

14-3 rubber mixer 18

14-4 sintering machine platform 18

15 Other equipment

15- 1 wiring console 18

15-2 yarn wrapping machine platform 18

15-3 marking machine platform 18

15-4 nailing machine platform 18

15-5 oxygen generator platform 18

15-6 rubber mixer platform 18

15-7 winder table 18

15-8 coal briquette platform 18

15-9 vibration platform 5

15- 10 single crystal furnace platform 5

15- 1l polysilicon furnace platform 5

15- 12 relay test bench 8

Six, fully mechanized mining, fully mechanized excavation and preparation

L support

L-l pump station sleeve pump 8

L-2 hydraulic support 1O

2 Mining and transportation equipment

2- 1 shearer was made in China for 7 years, and 10 was introduced from 7 years to 10.

2-2 Working face conveyor switch, standby motor and coke pusher 5

2-3 conveyor switch and standby motor 6

2-4 crushing shovel 10

2-5 downhole switch, standby motor and winch of telescopic belt oil production platform 15

2-6 Hydraulic Safety Winch Table 7

2-7 dustproof pump station 10

3 electrical equipment

3- 1 HP shutdown platform 20

3-2

Explosion-proof dry transformer

Table with rated capacity of 500-600 KVA

20

3-3 low-voltage switch 450 A 15

3-4 low-voltage switch box 800a1140v15

3-5 Communication Equipment Group 20

3-6 20 KVA or more 20 mobile substations

3-7 standby motor table 15

3-8 Console 20

3-9 Standby reduction gear box 22-300 kW unit 20

4 Other equipment

4- 1 monorail crane 1000m platform 10

4-2 Shuttle Platform l0

4-3 Driving hungry platform power supply transformer and motor 8

Seven major traffic facilities

1 Standard gauge railway transportation

(1) Railway rolling stock 20

(1)-l steam locomotive and rolling stock 20

(1)-20 diesel locomotives.

(1)-3 diesel engine car 20

(1)-4 20 electric locomotives.

(2) 20 railway freight cars

(3) Railway passenger cars

2 automobile transportation

2- 1 truck 500,000 km12.8 million km 15 12- 15

2-2 dump truck 12

2-3 tricycle 12

2-4 tractor 500,000 km 12

Passenger cars with 2-5.5 million kilometers12.8 million kilometers 15 12- 15

2-6 passenger trams with 500,000 km12.8 million buses 15 12- 15.

2-7

Special vehicles 15

In which: 400,000 km mining vehicle 10.

2-8 production special vehicle 13

Other special vehicles 550,000km 13

2-9 jeep 15

2- 10 motorcycle trailer 12

2- 1l automobile 15

2- 12 tractor 15

2- 13 ambulance 10

2- 14 fire truck 15

2- 15 oil chamber vehicle 12

2- 16 refrigerated truck 15

2- 17 other vehicles 12-ll

(8) Tools and instruments

1 The unit price of the test instrument is above 800 yuan, and its service life is above one year.

1- 1 oscilloscope workstation 10

1-2 automatic recording station lo

L-3 insulation resistance tester platform 10

1-4 flaw detection instrument lo

L-5 digital ammeter 10

L-6 dielectric loss measurement table 10

L-7 resistance box table 10

1-8 flowmeter station 10

L-9 microscope stand 15

L- 10 minority carrier lifetime measuring platform 10

L- 1 1 test bench 10

L- 12 hardness table 10

1- 13 acidity meter station 10

L- 14 photoelectric colorimeter table 10

1- 15 anemometer inspection platform 10

L- 16 ammonia filling pump platform 10

1-l7 bridge platform 10

1- 18 gas analysis station 10

1- 19 drying box table 10

L-20 high temperature furnace platform 10

L-2l ochre layer tester 10

1-22 heat meter station 10

L-23 ash melting point tester 10

1-24 hydrocarbon furnace 10

L-25 organic element analysis furnace 10

1-26 Photometer Station 10

1-27 coal sample crushing platform 10

L-28 coal sample at initial stage of ball milling 10

1-29 laboratory grinding table 10

L-30 x-ray examination table 10

1-3l optical counter 10

1-22 vacuum millivoltmeter 10

L-33 desktop fluoroscopy platform 10

L-34 length measuring instrument 10

1-35 gear inspection instrument platform 10

L-36 optical dividing head 10

1-37 temperature control measurement console 10

L-38 high frequency signal detection instrument platform 1O

1-39 electronic regulator 10

1-40 super thermostat 10

1-4l optical turntable 10

1-42 optical grader workbench 10

1-43 photoelectric temperature control instrument platform 10

1-44 plotter 10

L-45 comprehensive signal tester 10

1-46 SCR temperature controller 10

L-47 reduction furnace platform 10

1-48 ultrasonic cleaning machine workbench 10

1-49 four simple sinter 10

L-50 vacuum device 10

1-5 1 vacuum film traversing machine platform 10

L-52 grinder workbench 1O

L-53 slicer workbench 10

L-54 mask alignment station 10

1-55 photoelectric pyrometer 10

L-56 platinum crucible table 10

L-57 refrigerator unit 10

2 weighing machines

2- 1 ground balancing platform 17

2-2 track scale 17

2-3 Libra 17

2-4 Hanging Scale Platform 17

2-5 Belt Weighing Platform 17

3. Geological surveying and mapping instruments

3- 1 jingwei 1 10

3-2 liquid level gauge 10

3-3 laser director 10

3-4 Flat Panel Display 10

3-5 rangefinder 10

3-6 indium steel linear baseline ruler 10

3-7 photoelectric autocollimator 10

3-8 electric blueprint machine 10

3-9 Copier Table 5

3- 10 Seismic Station 10

3- 1 1 polarographic platform 10

3- 12 logging tool station 10

3- 13 strata orientation measuring instrument platform 1O

3- 14 radiometer 10

3- 15 calibrator station 10

3- 16 electrostatic developing recorder 10

3- 17 oil well inclinometer 10

4 communication equipment

4-l automatic telephone exchange 18

4-2 50-door and above power supply telephone exchange 15-30

4-3 Magneto telephone exchange 100 doors and above 15-30.

4-4 Transfer Desk 15-30

4-5 Automatic Wiring Machine 15-30

4-6 Microwave Interception Telephone Station 10

5 management tools

5- 1 The unit price of electronic computers is above 800 yuan.

5-2 cameras of various models 15

Unit price of 5-3 safes is 30 sets above 800 yuan.