HJ 885-2018Technical guidelines of accounting method for pollution source intensity -- Iron and steel industry (English PDF)

4.1 Accounting procedures

The strong source accounting procedures include pollution source identification and pollutant determination, accounting methods and parameter selection, source strength accounting,

3 Accounting results, etc. See HJ 884 for details. Identification of pollution sources and determination of pollutants should also comply with HJ 2.1, HJ 2.2, HJ/T 2.3, HJ 2.4, HJ 708 and other technical guidelines and related emission standards.

The discharge of pollutants should include normal and abnormal conditions (including sintering machine (pellet equipment) start-up, exhaust gas) Governance facility failure) Pollutant emissions in both cases.

4.2 Principles of accounting methods

4.2.1 General requirements

Strong source accounting methods include material balance algorithm, analogy method, pollution production coefficient method, sewage coefficient method and actual measurement method, etc.

The methods for calculating the source of each pollution source are selected in the order specified in Appendix A.

4.2.2 Exhaust gas

a) New (reconstruction, expansion) construction project pollution source Particulate matter is preferentially accounted for by the analogy method, followed by the blowdown coefficient method.

Sulfur dioxide and fluoride are preferentially calculated using the material balance algorithm, followed by analogy.

Nitrogen oxides are accounted for using an analogy method.

The other feature factor source strong accounting method selects the priority order as the material balance algorithm and the analogy method.

The unorganized source of exhaust gas is accounted for by analogy or other feasible methods.

b) Existing engineering pollution sources the organized source strength of the exhaust gas is preferentially calculated by the actual measurement method, and the second particle is calculated by the analogy method, sulfur dioxide and fluorine.

The material is calculated by the material balance algorithm, the nitrogen oxides are calculated by the analogy method, and the other characteristic factors are used to calculate the source.

The priority order selected is the material balance algorithm and the analogy method. When using the actual method to calculate the source strength, the HJ 878 and the sewage unit row Pollution permits require automatic monitoring of pollution factors, and only effective automatic monitoring data can be used for accounting; for HJ 878 and pollutant discharge permit for pollutant discharge units do not require automatic monitoring of pollution factors, and priority is given to automatic monitoring data.

Manual monitoring of data was used.

The unorganized source of exhaust gas is accounted for by analogy or other feasible methods.

4.2.3 Waste water

a) New (reconstruction, expansion) construction project pollution source the strong source of pollution is preferably accounted for by the analogy method, and the second is calculated by the discharge coefficient method.

b) Existing engineering pollution sources the source of pollution is prioritized by the actual measurement method, followed by the analogy method. When using the actual method to calculate the source strength, 4HJ 878 and pollutant discharge permit for pollutant discharge units require automatic monitoring of pollution factors, and only effective automatic monitoring can be used.

Data is calculated; pollution factors such as HJ 878 and pollutant discharge units are not required to be automatically monitored.

Automatic monitoring data was used, followed by manual monitoring of data.

4.2.4 Noise

a) New (reconstruction, expansion) construction project pollution source the strong source of pollution is calculated using the analogy method.

b) Existing engineering pollution sources the strong source of pollution source is based on the actual measurement method, followed by the analogy method.

4.2.5 Solid waste

a) New (reconstruction, expansion) construction project pollution source the strong source of pollution is calculated by the pollution coefficient method first, followed by the analogy method.

b) Existing engineering pollution sources the strong source of pollution is calculated by the actual measurement method, and then by the analogy method and the pollution coefficient method.

5.1 Material Balance Algorithm

5.1.1 General requirements

The material balance algorithm is applicable to the source calculation of sulfur dioxide, fluoride, hydrogen chloride and the like generated in the steel production process.

5.1.2 Sulfur dioxide

5.1.2.1 Sintering machine head flue gas (balloon roasting flue gas)

Sintering head flue gas and pellet roasting flue gas pollution source sulfur dioxide source is strongly calculated according to formula (5-1).

5( ) ( ) ( 10 ) ( ) 2 1100 100 100 100 100 100 Nnn nm f fl pd Iii fg i Iiii m (5-1) where. D--the amount of sulfur dioxide emissions during the accounting period, t;

Im -- the amount of the i-th iron-containing raw material used in the accounting period, t;

Ims -- the sulfur content of the i-th iron-containing raw material during the accounting period, %;

If -- the i-th solid fuel usage during the accounting period, t;

Ifs -- the sulfur content of the i-th solid fuel during the accounting period, %;

5ifg -- the i-th gas usage during the accounting period, 104m3;

Ifgs - the total sulfur content of the i-th gas in the accounting period, mg/m3;

Ifl -- the amount of the i-th flux and other excipients used during the accounting period, t;

Ifls -- the sulfur content of the i-th flux and other excipients during the accounting period, %;

P--the yield of sintered ore (pellet ore) during the accounting period, t;

Ps -- the sulfur content of the sintered ore (pellet ore) during the accounting period, %;

d -- the amount of dust ash collected during the accounting period, t;

Ds -- the sulfur content of dust removal ash during the accounting period, %;

--Desulfurization efficiency, %.

When the flue gas of the sintering machine head uses the material balance algorithm to calculate the sulfur dioxide source, the iron-containing raw materials should consider the iron oxide scale and the iron-containing dust.

Mud and blast furnace return mine.

For the new (reconstruction, expansion) construction project pollution source accounting for sulfur dioxide source, raw materials, solid fuels and products, etc.

The quantity, sulfur content and total sulfur content of the gas may be related to the design data. If there is no relevant data in the design data, the data may be passed.

Obtained by the analogy method; for the existing engineering pollution sources, the source of sulfur dioxide is calculated, and the raw materials, raw materials, solid fuels and products are imported and exported.

The quantity, sulfur content and total sulfur content of the gas shall be taken from the relevant data in the test report during the accounting period, and the weighted level of its use Mean value, if some raw materials such as raw materials, fuels, and products are indeed impossible to detect, the correlation number can be obtained by analogy.

according to. The desulfurization efficiency of the flue gas desulfurization facility can be referred to Appendix B. For the first-time exhaust gas desulfurization treatment technology, it should be provided.

Materials such as pilot data prove its efficiency.

5.1.2.2 Blast furnace hot blast stove flue gas, rolling steel heat treatment furnace flue gas, etc.

Blast furnace hot blast stove flue gas, rolling steel heat treatment furnace flue gas and continuous casting billet cutting flue gas and other gas pollution sources Equation (5-2) is used for accounting.

( 10 ) 2 1 100i

i fg

D fg s -

= x x x x - (5-2)

Where. D--the amount of sulfur dioxide emissions during the accounting period, t;

Ifg -- the amount of the i-th gas used in the accounting period, 104m3;

Ifgs - the total sulfur content of the i-th gas in the accounting period, mg/m3;

--Desulfurization efficiency, %.

For the new (reconstruction, expansion) construction project pollution source accounting for sulfur dioxide source, gas consumption, total sulfur content can be designed Relevant data, such as no relevant data in the design data, can be obtained by analogy; accounting for existing engineering pollution sources the sulfur source is strong, and the total sulfur content of the gas should be the relevant data in the test report during the accounting period, and the weighted average of its usage.

6 If some fuels are indeed impossible to detect, the relevant data can be obtained by analogy. Desulfurization efficiency of flue gas desulfurization facilities Referring to Appendix B, for the first-time exhaust gas desulfurization treatment technology, materials such as pilot test data should be provided to prove its effectiveness.

rate.

5.1.2.3 Lime kiln/dolomite kiln roasting flue gas

The source of sulfur dioxide in the lime kiln/dolomite kiln roasting flue gas source is strongly calculated according to formula (5-3).

5( ) ( 10 ) 2 1100 100 100 100 100 n nf pm d Ii fg s s m s m s s s s s s (5-3) where. D--the amount of sulfur dioxide emissions during the accounting period, t;

M--the amount of limestone/dolomite used during the accounting period, t;

Ms -- the sulfur content of limestone/dolomite during the accounting period, %;

If -- the i-th solid fuel usage during the accounting period, t;

Ifs -- the sulfur content of the i-th solid fuel during the accounting period, %;

Ifg -- the i-th gas usage during the accounting period, 104m3;

Ifgs - the total sulfur content of the i-th gas in the accounting period, mg/m3;

P--calcium/light burnt dolomite production during the accounting period, t;

Ps -- the sulfur content of lime/light burnt dolomite during the accounting period, %;

d -- the amount of dust ash collected during the accounting period, t;

Ds -- the sulfur content of dust removal ash during the accounting period, %;

--Desulfurization efficiency, %.

For the new (reconstruction, expansion) construction project pollution source accounting for sulfur dioxide source, raw materials, solid fuels and products, etc.

The quantity, sulfur content and total sulfur content of the gas may be related data in the design data. If there is no relevant data in the design data, the class may be passed.

Obtained by the method; for the existing engineering pollution sources, the amount of sulfur dioxide source, the amount of raw materials, solid fuels and products, etc.

The sulfur content and the total sulfur content of the gas shall be taken from the relevant data in the test report during the accounting period and the weighted average of the usage amount.

If some raw materials, fuels, and products are not tested, the relevant data can be obtained by analogy.

5.1.3 Fluoride

5.1.3.1 Sintering machine head flue gas (balloon roasting flue gas)

Sintering head flue gas and pellet roasting flue gas pollution source fluoride (in F) source strength is calculated according to formula (5-4).

( ) ( ) ( ) 1100 100 100 100 100 100 Nn nm f fl pd FF 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 in the formula. D--the amount of fluoride (in F) during the accounting period, t;

Im -- the amount of the i-th iron-containing raw material used in the accounting period, t;

imF - the fluorine content of the i-th iron-containing raw material during the accounting period, %;

If -- the i-th solid fuel usage during the accounting period, t;

ifF - the fluorine content of the i-th solid fuel in the accounting period, %;

Ifl -- the amount of the i-th flux and other excipients used during the accounting period, t;

iflF -- the fluorine content of the i-th flux and other excipients during the accounting period, %;

P--the yield of sintered ore (pellet ore) during the accounting period, t;

pF - fluorine content of sintered ore (pellet ore) during the accounting period, %;

d -- the amount of dust ash collected during the accounting period, t;

dF -- the dust removal rate of dust in the accounting period, %;

- removal efficiency, %.

For the new (reconstruction, expansion) construction project pollution source accounting for fluoride (in F) source strength, raw materials, products and solid fuel the quantity of the ingress and egress items, the fluorine content may be related data in the design data, and if there is no relevant data in the design data, the analogy may be obtained.

Obtained by law; accounting for fluoride (in F) source strength, raw materials, products and solid fuels for existing engineering pollution sources the fluorine content of the output should be taken from the relevant data in the test report during the accounting period, and the weighted average of its use, such as part of the original when the entry and exit of auxiliary materials, fuels and products are indeed impossible to detect, the relevant data can be obtained by analogy.

5.1.3.2 Electroslag metallurgical waste gas

Electroslag metallurgy waste gas pollution source fluoride (in F) source strength using the material balance algorithm for calculation, according to formula (5-5) Carry out accounting.

( ) (1 )100 100 100

Pm FFD mp= x - x x - (5-5) where. D--the amount of fluoride (in F) during the accounting period, t;

M--the amount of fluorine slag used in the accounting period, t;

mF - fluorine content in fluorine-based slag, %;

P--the amount of fluorine-based slag remaining in the accounting period, t;

pF - the fluorine content in the remaining fluorine-based slag during the accounting period, %;

- removal efficiency, %.

For the new (reconstruction, expansion) construction project pollution source accounting for fluoride (in F) emissions, fluorine slag usage, fluorine the fluorine content in the slag, the amount of residual fluorine slag and the fluorine content in the residual fluorine slag can be obtained from relevant data in the design data.

No relevant data in the 8 data can be obtained by analogy. Accounting for fluoride (in F) emissions from existing engineering sources the amount of fluorine in the fluorine-based slag and the fluorine content in the residual fluorine-based slag should be the relevant data in the test report during the accounting period, and the weighted average of the amount of use; if some of the raw materials and products are not able to be tested, the analogy can be used.

Get relevant data.

5.1.4 Acid balance

The cold rolling process is balanced according to the type of acid used. Taking hydrochloric acid and hydrofluoric acid as an example, the acid balance can be according to formula (5-6).

Calculation.

-6( 10 ) (1 )100 100 100 100 100 a wa w xr rr rD a wa wx = - - x - x x - x - - (5-6) where. D--the amount of hydrogen chloride or fluoride emissions during the accounting period, t;

A--the amount of hydrochloric acid or hydrofluoric acid used during the accounting period, t;

Ar - the content of hydrogen chloride and fluoride in hydrochloric acid or hydrofluoric acid during the accounting period, %;

Wa--the amount of waste acid produced during the accounting period, t;

War -- the content of hydrogen chloride or fluoride in waste hydrochloric acid or waste hydrogen fluoride in the accounting period, %;

W--the amount of wastewater generated during the accounting period, m3;

Wr - the content of hydrogen chloride or fluoride in the wastewater during the accounting period, mg/L;

X--the amount of other materials containing hydrogen chloride or fluoride (such as sour mud, products, etc.) during the accounting period, t;

Xr -- the content of hydrogen chloride or fluoride in other materials during the accounting period, %;

-- The purification efficiency of the control measures, %.

Calculate hydrogen chloride, fluoride source, hydrochloric acid or hydrofluoric acid, waste acid, wastewater, etc. for new (reconstruction, expansion) construction pollution sources the quantity of inlet and outlet, hydroge...