Hi  Could somebody tell me how to please stop stone fireplaces, fireplaces and BBqs from using quicksmelt
and were / how i add it to the config 
I would much appreciate it.

I cant slow down the burning rate 

Merged post

This is my config 

{
"Use Permission": true,
"Speed Multipliers": {
"global": 10.0,
"furnace.shortname": 1.0
},
"Fuel Usage Speed Multipliers": {
"global": 8.0,
"furnace.shortname": 1.0
},
"Fuel Usage Multipliers": {
"global": 4,
"furnace.shortname": 1
},
"Output Multipliers": {
"global": {
"global": 4.0
},
"furnace.shortname": {
"item.shortname": 4.0
}
},
"Whitelist": {
"global": [
"item.shortname"
],
"furnace.shortname": [
"item.shortname"
]
},
"Blacklist": {
"global": [
"bearmeat.cooked",
"chicken.cooked",
"deermeat.cooked",
"fish.cooked",
"horsemeat.cooked",
"humanmeat.cooked",
"meat.pork.cooked",
"wolfmeat.cooked",
"fireplace.deployed",
"fireplace.stone",
],
"furnace.shortname": [
"item.shortname"
]
},
"Smelting Frequencies (Smelt items every N smelting ticks)": {
"global": 8,
"furnace.shortname": 8
},
"Debug": false
}