Sand-binder mixing
This presentation is the property of its rightful owner.
Sponsored Links
1 / 4

Process Flow for Typical Green Sand Foundry PowerPoint PPT Presentation


  • 178 Views
  • Uploaded on
  • Presentation posted in: General

sand-binder mixing. core forming. core curing. mold & core assembly. scrap preparation. mold pouring, cooling. metal melting. mold making. slag, dross removal. sand renewal. shakeout. riser cutoff & gate removal. cleaning, finishing, coating. QA / shipping.

Download Presentation

Process Flow for Typical Green Sand Foundry

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Process flow for typical green sand foundry

sand-binder mixing

core forming

core curing

mold & core assembly

scrap preparation

mold pouring, cooling

metal melting

mold making

slag, dross removal

sand renewal

shakeout

riser cutoff & gate removal

cleaning, finishing, coating

QA / shipping

Process Flow for Typical Green Sand Foundry


Process flow for typical green sand foundry

sand and binder

sand-binder mixing

PM

metal scrap, alloys, flux

core forming

PM

core curing

VOC, HAP

HC, CO

PM, CO, VOC, HAP, MOx

mold & core assembly

scrap preparation

cooling water

PM

mold pouring, cooling

PM, NOx, CO, SO2

metal melting

mold making

sand

slag, dross removal

sand renewal

shakeout

PM

riser cutoff & gate removal

acidic wastewater

PM, HAP, VOC

scrap metal, abrasives

PM

PM, VOC

slag, drossspent RM

waste sand, metals

cleaning, finishing, coating

wastewater with solvents, oils

sludge

QA / shipping

inputvapor wasteaqueous wastesolid waste

rejects, packing material

Materials Flow for Typical Green Sand Foundry


Process flow for typical green sand foundry

sand-binder mixing

core forming

1.2-3.5 MJ/kg saleable casting

core curing

mold & core assembly

scrap preparation

mold pouring, cooling

0.7 MJ/kg

metal melting

mold making

slag, dross removal

sand renewal

shakeout

Melting (MJ/kg)

Cupola

6.7 Coke

1.3 Electricity

1.9 Natural Gas

0.1 Oxygen

Electric melting

5.0-5.6 Induction

5.0-6.0 Electric Arc

6.0-9.2 Reverb

Fuel fired melting 2.1-7.9 Crucible

2.9-5.8 Reverb

riser cutoff & gate removal

1.2 MJ/kg

cleaning, finishing, coating

QA / shipping

Energy Requirements for Typical Green Sand Foundry


Relevant federal legislation

Relevant Federal Legislation

  • Resource Conservation and Recovery Act

    • ID of solid and hazardous wastes

    • standards for generators of hazardous waste

    • land disposal restriction

    • used oil management standards

    • underground storage tanks

    • boilers and industrial furnaces

  • Comprehensive Environmental Response, Compensation Liability Act

  • Emergency Planning and Community Right-to-Know Act

  • Clean Water Act

  • Safe Drinking Water Act

  • Toxic Substances Control Act

  • Clean Air Act

  • Toxic Release Inventory (TRI)

    • required of 654 of 2800-odd foundries in 1995

    • “TRI applies to companies that utilize 25,000 pounds of the approximately 600 designated chemicals or 28 chemical categories specified in the regulations, or uses more than 10,000 pounds of any designated chemical or category”

  • State and local legislation…


  • Login