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Kakaretso ea Tlhahlobo le Tokiso ea Sebopi sa Melting ea Induction ho Qoba Likotsi Tse Maholo

Summary of Inspection and Repair of Motlakase o Tsitsitseng Letlalo to Avoid Major Accidents

Lintho tsa tlhokomelo le tokiso Maintenance and repair content Maintenance time and frequency mantsoe
sebabole

 

 

lekanya

 

 

Hore na lesela la sebōpi le na le mapetsong

Check for cracks in the crucible Pele sebōpi se qala nako le nako Haeba bophara ba marang-rang bo le ka tlase ho 22 mm , ha ho hlokahale ho e lokisa ha li-chips le lintho tse ling li ke ke tsa kenngoa ka har’a petso, ‘me li ntse li ka sebelisoa. Ho seng joalo, e hloka ho lokisoa pele e ka sebelisoa
Tokiso ea taphole Ela hloko hore na ho na le mapetsong mateanong a lehlakoreng ho qoba lesela la sebōpi le lesoba la pompo At the time of tapping If cracks appear, repair them
Tokiso ea lesela la sebōpi ka tlase ho sebōpi le mola oa slag Visually observe whether the furnace lining at the bottom of the furnace and the slag line is locally corroded Ka mor’a ho lahla Haeba ho na le kutu e hlakileng, e hloka ho lokisoa
ikutloa

 

araba

 

khoele

 

koalla

 

 

Tlhahlobo e bonoang

(1) Ho sa tsotellehe hore na karolo ea ho koala ea khoele e robehile kapa e entsoe ka carbonized

(2) Na ho na le motsoako leha e le ofe o tsoang linaheng tse ling o khomaretsoeng holim’a khoele?

(3) Whether the insulating backing plate between the coils protrudes

(4) Whether the assembly bolts of the tightening coil are loose

1 nako / letsatsi

1 nako / letsatsi

1 nako / letsatsi

1 nako / likhoeli tse 3

Purge with compressed air in the workshop

 

 

Emisa li-bolts

Coil compression screw Sheba ka mahlo hore na sekoti sa coil se hlephile 1 nako / beke  
tube ea rabara (1) Whether there is water leakage at the rubber tube interface

(2) Sheba hore na tube ea rabara e khaotsoe

1 nako / letsatsi

1 nako / beke

 
 

Coil anti-corrosion joint

Tlosa hose ea rabara ‘me u hlahlobe tekanyo ea ho bola ea lenonyeletso le thibelang kutu qetellong ea khola 1 nako / likhoeli tse 6 Ha lenonyeletso lena la anti-corrosion le senya ho feta 1/2, le hloka ho nkeloa sebaka ke le lecha. Hangata e fetoha lilemo tse ling le tse ling tse peli
Cooling water temperature at coil outlet Tlas’a maemo a boleng ba tšepe e qhibilihisitsoeng le matla a lekantsoeng, rekota boleng bo phahameng le bo tlase ba mocheso oa metsi a pholileng a lekala le leng le le leng la coil. 1 nako / letsatsi  
Ho tlosa lerole Moea o hatelitsoeng ka har’a workshop o fefola lerōle le tšepe e qhibilihisitsoeng holim’a khoele. 1 nako / letsatsi  
Selena Ho khaola lipeipi tsa metsi a sensor 1 nako / lilemo tse 2  
ka

mengoapo

ho kopanela liphate

tataise

khoele

 

 

Thapo e pholileng ea metsi

(1 ) Whether there is electricity leakage

(2) Sheba hore na thapo e kopane le mokoti oa sebōpi

(3 ) Record the temperature of the cable outlet water under the rated power

(4 ) Preventive measures taken to prevent accidents

(5) Sheba hore na liboutu tse hokelang litheminareng li fifetse

1 nako / letsatsi

1 nako / letsatsi

1 nako / letsatsi

1 nako / lilemo tse 3

1 nako / letsatsi

Ho ea ka palo ea lithapo, fumana bophelo ba thapo e pholileng ka metsi e le lilemo tse tharo, ‘me e hloka ho nkeloa sebaka ka mor’a lilemo tse tharo. Haeba bolt e fetola ‘mala, e tiisa hape
Lintho tsa tlhokomelo le tokiso Maintenance and repair content Maintenance time and frequency mantsoe
sebabole

 

 

 

 

sekoahelo sa eona

 

 

Mohala o omileng

(1) Eliminate dust on the insulating bakelite busbar splint

(2 ) Check whether the chain hanging the busbar splint is broken

(3) Hore na foil ea koporo ea bareng ea bese e khaotsoe

1 nako / letsatsi

 

1 nako / beke

1 nako / beke

When the area of ​​the disconnected copper foil accounts for 10% of the conductive area of the bus, it needs to be replaced with a new bus
Refractory castable Lekola ka mahlo botenya ba lera la refractory le tšelang lesela la sekoaelo sa sebōpi 1 nako / letsatsi Ha botenya ba “refractory castable” bo ntse bo le 1/2, lesela la sekoaelo sa mollo le tlameha ho hahuoa bocha.
 

Oil pressure furnace cover

 

(1) Hore na ho na le ho lutla karolong ea ho tiisa

(2) Ho lutla ha liphaephe

(3 ) Leakage of high pressure pipe

1 nako / letsatsi

1 nako / letsatsi

1 nako / letsatsi

If yes, repair it

Fetola

High pressure pipe (1) Hore na ho na le mesaletsa ea tšepe e qhibilihisitsoeng peiping e nang le khatello e phahameng, jj.

( 2 ) Ho netefatsa polokeho, phapanyetsano

1 nako / beke

1 nako / lilemo tse 2

 
 

Kenya oli e tlotsang

(1) Mofuta oa letsoho: Karolo ea fulcrum ea sekoaelo sa mollo

(2) Electric type: sprocket drive bearing for shaft adjustment chain for furnace cover wheel

(3) Mofuta oa Hydraulic: tataiso e tsamaisang

   
tšollele

 

Tsamaea

 

Oil

 

Cylinder

Phaephe e tlaase le khatello e phahameng ea silindara ea oli (1 ) Whether there are traces of molten iron scald on the bearing part and the high-pressure pipe

(2 ) Oil leakage

1 nako / beke

 

1 time / month

 

 

Remove the cover for inspection

 

Cylinder

(1) Hore na ho na le ho lutla karolong ea ho tiisa

(2) Molumo o sa tloaelehang

1 nako / letsatsi

1 nako / letsatsi

Ha u sekamisetsa sebōpi, sheba cylinder block

Ha ho etsoa melumo e kang ho kokota holim’a silindara, li-bearings hangata li tsoa oli

 

Sekepe se lekanyang sebōpi

(1) Action check

Press the limit switch by hand, the oil pump motor should stop running

(2) Hore na ho na le tšepe e entsoeng ka tšepe e qhibilihisitsoeng holim’a switch ea moeli

1 nako / beke

 

1 nako / beke

 
Kenya oli e tlotsang Likou tsohle tsa mafura 1 nako / beke  
High pressure control

raka

 

Appearance inspection inside the cabinet

(1) Check the operation of each indicator light bulb

(2 ) Whether the parts are damaged or burned out

(3 ) Clean the pan with compressed air in the workshop

1 time / month

1 nako / beke

1 nako / beke

 
 

Circuit breaker vacuum switch

(1) Pase ea ho hloekisa ke lebitso

Phupu ea vacuum e tšoeu e bosoeu ebile e boreleli, tekanyo ea vacuum e fokotsehile

(2) Ho lekanya tšebeliso ea li-electrode

1 nako / likhoeli tse 6

 

 

1 time / month

 

 

If the gap exceeds 6 mm, replace the vacuum tube

Main switch cabinet  

 

 

 

Phetoho ea moea ea electromagnetic

(1 ) Roughness and wear of the main contact

 

 

 

(2) Tloo

 

(3) Hore na boto ea ho tima mollo e na le carbonized

1 nako / likhoeli tse 6

 

 

 

1 nako / likhoeli tse 6

 

1 nako / likhoeli tse 6

Ha bohale bo le boima, bo sila ka faele, letlalo la lehlabathe, joalo-joalo.

Ha seaparo sa ho kopana se feta 2/3, fetola lebitso

Eketsa oli ea spindle ho bere e ‘ngoe le e’ ngoe le molamu o kopanyang

Use sanding to remove the carbonized part

 

Lintho tsa tlhokomelo le tokiso Maintenance and repair content Maintenance time and frequency mantsoe
Main switch cabinet   ( 4) Ho tlosa lerōle 1 nako / beke Clean with compressed air in the workshop, and wipe the dust on the insulators with a cloth
Ho thibela ho thibela Use a 1000 volt megger to measure the main circuit and greater than 10M Ω    
Phetoho ea phetoho  

Fetisa switch

(1) Lekanya khanyetso ea insulation

(2 ) Rough switch main connector

(3) Li-bolts tse kholo tse kopanyang potoloho li hlephile ebile li chesa haholo

1 nako / likhoeli tse 6

1 time / month

1 nako / likhoeli tse 3

Pakeng tsa conductor le fatše, sebelisa megohmmeter ea 1000 volt ho metha e kholo ho feta.

1M Ω

Sepolishe kapa phapanyetsano

ho laola boemo

 

tsamaiso

 

raka

 

tora

Appearance inspection inside the cabinet (1) Whether the components are damaged or burned out

(2 ) Whether the components are loose or fall off

1 nako / beke

1 nako / beke

 
 

Teko ea ketso

(1 ) Check whether the indicator light can be on

(2) Potoloho ea alamo

Action should be checked according to alarm conditions

1 nako / beke

1 nako / beke

 
Ho tlosa lerōle ka har’a kabinete Clean with compressed air in the workshop 1 nako / beke  
 

Contactor for auxiliary machine

(1) Check the roughness of the contact, if the roughness is severe, polish it smoothly with fine sand

(2) Exchange contacts

Fetola mabitso ha a se a tsofetse haholo

1 nako / likhoeli tse 3

 

1 nako / lilemo tse 2

Especially the frequently used contactor for tilting furnace lid
Transformer reactor Sheba ponahalo (1) Hore na ho na le ho lutla ha oli

(2 ) Whether the insulating oil is added to the specified position

1 nako / beke

1 nako / beke

 
Mocheso oa transformer le reactor Lekola pontšo ea thermometer ea letsatsi le letsatsi, e tlase ho boleng bo boletsoeng 1 nako / beke  
Modumo le ho thothomela (1 ) Usually check by listening and touching

(2 ) Instrument measurement

1 nako / beke

1 nako / selemo

 
Insulating oli e mamella tlhahlobo ea voltage E tlameha ho fihlella boleng bo boletsoeng 1 nako / likhoeli tse 6  
Tobetsa ho fetola (1) Sheba hore na phetoho ea pompo e felile

(2 ) Check the roughness of the tap adapter

1 nako / likhoeli tse 6

1 nako / likhoeli tse 6

Use fine sand to polish and replace it with a new one when it is severely rough
Capacitor bank Sheba ponahalo (1) Hore na ho na le ho lutla ha oli

(2 ) Whether each terminal screw is loose

1 nako / letsatsi

1 nako / beke

If slack occurs , the terminal part will be discolored due to overheating
Exchange capacitor contactor

 

 

Ho tlosa lerole

(1) The roughness of the contact

1 ) Use a file to smooth the rough part

2) Ha ho apara ho le matla, fetola lenonyeletso

(2) Mocheso oa ho kopana oa phahama

Sebelisa moea o hatelitsoeng ka har’a workshop ho hloekisa li-insulators ka lesela

1 nako / likhoeli tse 6

 

 

1 nako / beke

1 nako / beke

 

 

At least 1 time / month

Mocheso o potolohileng banka ea capacitor Lekanya ka mercury thermometer 1 nako / letsatsi Ventilated , e le hore mocheso o potolohileng o se ke oa feta 40 deg.] C
Hydraulic device  

 

Oli ea hydraulic

(1) Hore na ho na le phetoho leha e le efe ’mala oa oli bophahamong ba boemo ba oli e bontšitsoeng ke sekala sa boemo ba oli

(2) Check the amount of dust in the hydraulic oil and the quality of the oil

(3) Measuring temperature

1 nako / beke

 

1 nako / likhoeli tse 6

 

1 nako / likhoeli tse 6

Haeba boemo ba oli bo theoha, ho na le ho lutla potolohong

When the quality is poor , change the oil

khatello ea khatello Whether the tilting pressure is different from usual, when the pressure drops, adjust the pressure to the normal value 1 nako / beke