Hot dip galvanized zinc pot flue gas dust collector detailed
introduction
At present, in the galvanizing industry, there are many harmful
gases
produced in the production of hot dip galvanizing. The more harmful
is
the zinc oxide flue gas produced by hot galvanizing, the gas
emitted
when the solvent (and zinc chloride) is heated, which affects the
working
environment and corrodes the plant and equipment.
The general technical requirements of this equipment:
1, product spraying line use;
2, a fixed top suction cover is set above the zinc pan, the harmful
dust
gas is extracted through the pipeline, filtered by the large cloth
bag filter
through the chimney, and then discharged to the atmosphere.
Hot dip galvanized zinc pot flue gas dust collector needs to
achieve the
following indicators:
1, can capture more than 5μm particles of smoke volatilized from
the zinc
pan, zinc smoke capture rate is more than 90%;
2, post dust concentration ≤10 mg/m3 (minus environmental
background
value);
3, zinc slag and zinc powder capture rate of more than 90%;
4, the design of the equipment itself should be in line with the
work site
environment, with a good human-machine relationship, easy to use.
5, the equipment design itself should meet the national and
industry
environmental protection design standards.
6, after dust removal, gas emission concentration and rate should
meet
the "Comprehensive Emission Standards for Air Pollutants"
(GB16297-1996)
Table 2 requirements; Achieve standard discharge to the national
environmental protection department monitoring and acceptance.
7, the equipment bag should be guaranteed for one year, and can
still pass
the acceptance of the national Guan environmental protection
department
after one year.
| Technical parameters of pulse bag dust collector in galvanizing
plant |
| Serial number | Equipment detail | quantity |
| 1 | Handling air volume | 10800 ~ 21600 m3/h |
| 2 | Number of filter bags | 180 |
| 3 | Filtration area | 180 square meters |
| 4 | Filter bag material | two anti-polyester needle felt |
| 5 | Filter bag specification | 130x2500mm |
| 6 | Equipment resistance | 1000 ~ 200 pa |
| 7 | Inlet concentration | 15g/m3 |
| 8 | Dust removal efficiency | 99% |
| 9 | Injection pressure | 0.4 mpa |
| 10 | Air consumption | 0.42 ~ 0.84 m3/min |
| 11 | Number of pulse valves | 18 |
| 12 | Pulse width | 0.1~0.2S adjustable |
| 13 | Pulse period | 60S adjustable |
| 14 | Air leakage rate | 3% |
| 15 | Power consumption | 22kw |
| 16 | Equipment weight | 4.8T |
