Process for the water-saving ecologic collection, transport and

Details Process for the water-saving ecologic collection, transport and Process for the water-saving ecologic collection, transport and

1990-04-25

1992-11-10

Yuen, Henry C.

Furnaces

Ash receiving and handling devices

Fly ash disposers

110171, F23J 106

Patent

active

051614707

ABSTRACT:
A process is described for a water efficient, ecologically acceptable collection, delivery and depositing of slag and flyash from thermal power plants fired with pulverized coal. Slag is allowed to fall into a cooling water basin, conveyed to a condenser where it is combined with coarse flyash, te slag-flyash combination is delivered to a mixing space and combined with fine flyash, thereby forming a homogeneous mixture and the mixture is then circulated under specified conditions to achieve comminution to a predetermine value. Comminuted homogeneous mixtures is then measured continuously for properties of viscosity, quantity and pressure parameters. Information on the parameters is fed to a computer for comparison with preset values. The comminuted homogeneous mixture is then deposited in a deposit space. Any cooling water lost in the collecting-delivering and depositing steps is then replaced. A colloidal material may be added to the comminuted homogeneous mixture during the deposition step.

REFERENCES:
patent: 4018588 (1977-04-01), Handy, Jr.
patent: 4329929 (1982-05-01), Jessen
patent: 4512265 (1985-04-01), Buchmuller et al.
patent: 4599951 (1986-07-01), Andresli
patent: 4718357 (1988-01-01), Wang et al.
patent: 4770110 (1988-09-01), Teske
patent: 4808197 (1989-02-01), Ayers
patent: 4846082 (1989-07-01), Marangoni

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