Noise, boiler exhaust, unorganized waste gas, sewage treatment station exit detection

Table 3 unit of noise detection in the factory: dB (A)

Monitoring point position

Monitoring date

Daytime noise

Nocturnal noise

For the first time

The second time

For the first time

The second time

1#

2017.12.4

Fifty-three point four

Fifty-three point six

Forty-eight point three

Forty-eight point seven

2#

Forty-nine point three

Forty-eight point eight

Forty-six point nine

Forty-six point three

3#

Forty-nine point seven

Forty-nine point one

Forty-six point eight

Forty-six point nine

4#

Fifty point one

Fifty point nine

Forty-seven point five

Forty-seven point six

Boiler exhaust gas test results (sampling date: 2017.12.4)

Detection project

Company

detection result

For the first time

The second time

Third time

SO2

Measured concentration

Mg/Nm3

Three

Three

Four

Conversion concentration

Mg/Nm3

Eight point two

Seven point eight

Nine point six

Emission

Kg/h

Zero point zero five six

Zero point zero five nine

Zero point zero six eight

NOX

Measured concentration

Mg/Nm3

Forty

Forty-two

Forty-four

Conversion concentration

Mg/Nm3

Eighty-one point eight

One hundred and nine point six

One hundred and five point six

Emission

Kg/h

Zero point five six

Zero point eight three

Zero point seven five

smoke

Measured concentration

Mg/Nm3

Nine point five

Nine point six

Nine point eight

Conversion concentration

Mg/Nm3

Twenty-five point nine

Twenty-five point one

Twenty-three point five

Emission

Kg/h

Zero point one eight

Zero point one nine

Zero point one seven

Exhaust volume

Nm3/h

Six thousand eight hundred and twenty-eight

Seven thousand five hundred and forty-four

Seven thousand one hundred and two

oxygen content

%

Sixteen point six

Sixteen point four

Sixteen

Smoke temperature

Centigrade

Fifty-two

Fifty-two

Fifty-one

Chimney height

M

Twenty

Chimney diameter

M

Zero point four

Remarks: converted emission concentration = measured emission concentration * (21- reference oxygen content) / (21- measured oxygen content).

The reference oxygen content (%) of coal fired boiler is 9.

Unorganized exhaust gas detection results

Detection point

time

Detection project

Particulate matter (mg/m3)

For the first time

The second time

Third time

Factory area

2017.12.4

Upwind to 1#

Zero point one six

Zero point one three

Zero point one five

Downwind to 2#

Zero point two two

Zero point one nine

Zero point two two

Downwind to 3#

Zero point one nine

Zero point two one

Zero point two one

Downwind to 4#

Zero point one eight

Zero point one seven

Zero point two one

Export test results of sewage treatment station

Date of detection

frequency

Detection project

CODCr

BOD5

SS

ammonia nitrogen

PH

2017.12.04

For the first time

Forty-three point one

Six point three

Fourteen point eight

Seven point seven

Seven point one

The second time

Forty point two

Five point six

Fifteen point six

Six point eight

Seven point one

Third time

Thirty-nine point six

Five point one

Thirteen point nine

Seven point three

Seven point two

Fourth times

Forty-one point six

Five point three

Fourteen point eight

Seven point one

Seven point one