Kentucky Administrative Regulations › Title 401 - ENERGY AND ENVIRONMENT CABINET - DEPARTMENT FOR ENVIRONMENTAL PROTECTION › Chapter 61 - Existing Source Standards › Section 401 KAR 61:070 - Existing ferroalloy production facilities

Current through Register Vol. 51, No. 1, July 1, 2024
RELATES TO: KRS Chapter 224
NECESSITY, FUNCTION, AND CONFORMITY:
				KRS
				224.10-100 requires the Environmental and
				Public Protection Cabinet to prescribe administrative regulations for the
				prevention, abatement, and control of air pollution. This administrative
				regulation provides for the control of emissions from existing ferroalloy
				production facilities.
Section 1.
			 Applicability. The provisions of this administrative regulation are applicable
			 to the following affected facilities commenced before the classification date
			 defined below: electric submerged arc furnaces which produce silicon metal,
			 ferrosilicon, calcium silicon, silicomanganese zirconium, ferrochrome silicon,
			 silvery iron, high-carbon ferrochrome, charge chrome, standard ferromanganese,
			 silicomanganese, ferromanganese silicon, or calcium carbide; and dust-handling
			 equipment.
Section 2. Definitions.
			 As used in this administrative regulation all terms not defined herein shall
			 have the meaning given them in
			 401 KAR
			 50:010.
(1) "Electric
			 submerged arc furnace" means any furnace wherein electrical energy is converted
			 to heat energy by transmission of current between electrodes partially
			 submerged in the furnace charge.
(2) "Furnace charge" means any material
			 introduced into the electric submerged arc furnace and may consist of, but is
			 not limited to: ores, slag, carbonaceous material, and limestone.
(3) "Product change" means any change in the
			 composition of the furnace charge that would cause the electric submerged arc
			 furnace to become subject to a different mass standard applicable under Section
			 3 of this administrative regulation.
(4) "Slag" means the more or less completely
			 fused and vitrified matter separated during the reduction of metal from its
			 ore.
(5) "Tapping" means the
			 removal of slag or product from the electric submerged arc furnace under normal
			 operating conditions such as removal of metal under normal pressure and
			 movement by gravity down the spout into the ladle.
(6) "Tapping period" means the time duration
			 from initiation of the process of opening the tap hole until plugging of the
			 tap hole is complete.
(7) "Furnace
			 cycle" means the time period from completion of a furnace product tap to the
			 completion of the next consecutive product tap.
(8) "Tapping station" means that general area
			 where molten product or slag is removed from the electric submerged arc
			 furnace.
(9) "Blowing tap" means
			 any tap in which an evolution of gas forces or projects jets of flame or metal
			 sparks beyond the ladle, runner or collection hood.
(10) "Furnace power input" means the
			 resistive electrical power consumption of an electric submerged arc furnace as
			 measured in kilowatts.
(11)
			 "Dust-handling equipment" means any equipment used to handle particulate matter
			 collected by the air pollution control device (and located at or near such
			 device) serving any electric submerged arc furnace subject to this
			 administrative regulation.
(12)
			 "Control device" means the air pollution control equipment used to remove
			 particulate matter generated by an electric submerged arc furnace from an
			 effluent gas stream.
(13) "Capture
			 system" means the equipment (including hoods, ducts, fans, dampers, etc.) used
			 to capture or transport particulate matter generated by an affected electric
			 submerged arc furnace to the control device.
(14) "Standard ferromanganese" means that
			 alloy as defined by ASTM A-99-66(71). (ASTM designations are filed by reference
			 in
			 401 KAR
			 50:015.)
(15) "Silicomanganese" means that alloy as
			 defined by ASTM A-483-64(74).
(16)
			 "Calcium carbide" means material containing seventy (70) to eighty-five (85)
			 percent calcium carbide by weight.
(17) "High-carbon ferrochrome" means that
			 alloy as defined by ASTM A-101-73 grades HC1 through HC6.
(18) "Charge chrome" means that alloy
			 containing fifty-two (52) to seventy (70) percent by weight chromium, five (5)
			 to eight (8) percent by weight carbon, and three (3) to six (6) percent by
			 weight silicon.
(19) "Silvery iron"
			 means any ferrosilicon, as defined by ASTM A-100-69(74), which contains less
			 than thirty (30) percent silicon.
(20) "Ferrochrome silicon" means that alloy
			 as defined by ASTM A-482-66(71).
(21) "Silicomanganese zirconium" means that
			 alloy containing sixty (60) to sixty-five (65) percent by weight silicon, one
			 and five-tenths (1.5) to two and five-tenths (2.5) percent by weight calcium,
			 five (5) to seven (7) percent by weight zirconium, 0.75 to 1.25 percent by
			 weight aluminum, five (5) to seven (7) percent by weight manganese, and two (2)
			 to three (3) percent by weight barium.
(22) "Calcium silicon" means that alloy as
			 defined by ASTM A-495-64(70).
(23)
			 "Ferrosilicon" means that alloy as defined by ASTM A-100-69(74) grades A, B, C,
			 D, and E which contains fifty (50) or more percent by weight silicon.
(24) "Silicon metal" means any silicon alloy
			 containing more than ninety-six (96) percent silicon by weight.
(25) "Ferromanganese silicon" means that
			 alloy containing sixty-three (63) to sixty-six (66) percent by weight
			 manganese, twenty-eight (28) to thirty-two (32) percent by weight silicon, and
			 a maximum of 0.08 percent by weight carbon.
(26) "Classification date" means October 21,
			 1974.
(27) "Concentrated discharge"
			 means that the outlet from a control device consists of either stacks (one (1)
			 or more) or openings on the device's top or side which has (have) a total area
			 less than five (5) percent of the corresponding top or side and which has
			 (have) a length of not more than twice the width.
(28) "Dispersed discharge" means that the
			 outlet from a control device consists of opening(s) on the device's top or side
			 which has (have) a total area exceeding five (5) percent of the corresponding
			 top or side or which has (have) a length more than twice the width. A control
			 device may have both dispersed and concentrated discharges.