In-line mill assembly with spreader ring

• US 9,446,383 B2
• Filed: 05/27/2015
• Issued: 09/20/2016
• Est. Priority Date: 07/13/2012
• Status: Active Grant

• Current Assignee: UCC Dry Sorbent Injection, LLC
• Original Assignee: UCC Dry Sorbent Injection, LLC
• Inventors: Bosshart, Stephen, Engelmann, Dennis, Fleckten, Eric, Bilirgen, Harun, LeDain, Robert
• Primary Examiner(s): Rosenbaum, Mark
• Application Number:
  US14/723,224
• Publication Number:
  US 20150306569A1
• Time in Patent Office: 482 Days
• Field of Search: 241/222, 241/242, 241/285.1, 241/46.01, 241/46.06, 241/245, 241/186.3
• US Class Current: 1/1
• CPC Class Codes: B01J 20/28016 Particle form
• CPC Class Codes: B01J 20/3021 Milling, crushing or grinding
• CPC Class Codes: B02C 13/10 with horizontal rotor shaft and axial flow
• CPC Class Codes: B02C 13/286 Feeding or discharge
• CPC Class Codes: B02C 13/288 Ventilating, or influencing air circulation
• CPC Class Codes: B02C 19/00 Other disintegrating devices or methods for grain B02C9/00
• CPC Class Codes: B02C 2013/28681 Feed distributor plate for vertical mill
• CPC Class Codes: B02C 23/00 Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group specially adapted for grain mills B02C11/00; separating or sorting in general B03, B04, B07
• CPC Class Codes: B02C 23/24 Passing gas through crushing or disintegrating zone B02C15/001, B02C23/38, B02C23/40 take precedence
• CPC Class Codes: Y10T 137/0318 Processes

Abstract

The system and method requiring a diverter plate for an in-line mill. The plate for use with the in-line mill includes an aperture for passage of particulate laden fluid therethrough and a plurality of tabs such that the fluid and the particulate entrained thereon is deflected at a variety of axial angles. The diverter plate thus provides a reliable method such that the milling process and component wear resistance is made more efficient thereby.

Claims

1. An in-line mill for processing a pressurized, particulate-laden fluid stream and having improved durability of components including at least the particle reduction chamber, the mill comprising:

a) a rotor;

b) a casing for enclosing the rotor, the casing including a pressurized fluid inlet, a particle reduction chamber, and a fluid outlet;

c) a shaft and bearing assembly attached to the casing and supporting the rotor;

d) a drive assembly operatively connected to the shaft for rotating the rotor; and

e) a stationary, non-rotating plate mounted within the casing, the stationary, non-rotating plate comprising;

i) an aperture defined in the center thereof for receiving and passing through a portion of a particulate-laden pressurized fluid stream; and

ii) a plurality of tabs extending radially from the aperture of the stationary, non-rotating plate, the tabs being axially displaced from the aperture at a variety of angles so as to provide multiple angles of redirection for the portion of the particulate-laden fluid stream redirected by the stationary, non-rotating plate,

whereby the variety of angles of the tabs increase the variance of dispersion of particulate within the particle reduction chamber.

2. The in-line mill of claim 1, wherein the aperture of the stationary, non-rotating plate has a circular profile.

3. The in-line mill of claim 1, wherein the aperture of the stationary, non-rotating plate has a saw toothed profile.

4. The in-line mill of claim 1, wherein the stationary, non-rotating plate is mounted to a wall of the casing.

5. The in-line mill of claim 1 further including at least a second plate axially displaced from the stationary, non-rotating plate to further increase the degree of variance of particulate dispersion within the in-line mill.