Calculation and Design of Industrial Waste Water Fire Disposal Plant - Exchange Rate

Contents

Introduction

1. Process Part

1.1. Installation Schematic Diagram

1.2. Calculation of waste water combustion process

1.3. Calculation of additional fuel combustion process

1.4. Material and heat balances of the reactor

1.5. Reactor Design Calculation

1.6. Dust collector calculation

2. Environmental part

2.1. Calculation of pollution charges

2.2. Pollution and protection of the atmosphere from harmful impurities

2.3. Pollution and protection of hydrosphere against harmful emissions

2.4. Pollution and protection of the lithosphere

2.5. Assessment of the economic impact of environmental activities

Conclusion

List of sources used

Introduction.

Over the past decade, the rapid development of industry and energy has forced engineers to develop recycling technology. Large emissions, discharges into the atmosphere, hydrosphere and lithosphere have led to severe environmental pollution. The legislation of the Russian Federation established a fee for the release of pollutants by industrial enterprises.

The atmosphere and hydrosphere are most polluted than the lithosphere.

Atmospheric pollution is mainly expressed in emissions of gases that are poisonous (toxic), in addition, emissions of the so-called greenhouse gases (CO2) create an unfavorable environment for nature itself. Nor should thermal pollution be overlooked and, as a consequence, the unsustainable use of natural resources.

The hydrosphere is contaminated by a variety of discharges, creating a dangerous situation for both people and the animal world. Water bodies and rivers, especially in urban areas, are contaminated so that substances exceed several times the MPC.

Pollution of the lithosphere by a variety of landfills, both unauthorized and authorized, leads to the withdrawal of large areas from land use.

There are various ways, methods, installations for reduction of amount of pollutants, or their processing. In this course design, the unit for fire neutralization of waste water with a cyclone type reactor is calculated.

Conclusion

As a result of the calculations, we will determine the total cost per year for environmental protection during the operation and repair of the workshop equipment. Costs are determined by the following formula, RUB/year:

It is also advisable to propose environmental measures to protect the atmosphere, hydrosphere and lithosphere.

Measures to protect the atmosphere from harmful emissions:

- to ensure low content of nitrogen oxides in combustion products, it is recommended to lower the temperature in the combustion zone due to the organization of staged combustion of fuel. This activity has already been implemented in our installation due to low neutralization temperatures.

- dust collectors (dry, scrubber or combined) are recommended to reduce ash emissions to the atmosphere.

- ensure optimal height of the chimney, in order to comply with MPC in the surface layer of the atmosphere.

Measures to protect the hydrosphere from harmful discharges:

- supply acid water for neutralization to neutralizers

- Use surfactants to wash floors as much as possible.

Measures to protect the lithosphere from harmful substances:

- eliminate the use of mercury-containing daylight lamps

- send production and household garbage for recycling

As a result of the calculations, the design characteristics and operational indicators of the plant for fire neutralization of sewage were obtained.

Here are some of them:

1. Cyclone reactor diameter: DC = 1.04 m

2. Cyclone reactor height: NC = 2.08m

3. Consumption of additional fuel: VDT = 0.013 kg/s