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ASTM D291-86(2002)

(Test Method)

Standard Test Method for Cubic Foot Weight of Crushed Bituminous Coal

Standard Test Method for Cubic Foot Weight of Crushed Bituminous Coal

SCOPE
1.1 This test method covers two procedures for determining the cubic foot weight of crushed coal less than 1 1/ 2 in. (37 mm) in size, such as is charged into coke ovens, as follows:
1.1.1 Procedure A—The cone procedure for determining an uncompacted weight per cubic foot (cubic metre).
1.1.2 Procedure B—The dropped-coal procedure for determining a compacted weight per cubic foot (cubic metre), comparable to actual bulk densities attained in coke ovens.
1.2 This method is not applicable to the testing of powdered coal as used in boiler plants, nor to the determination of weights per cubic foot of coal in storage piles.
1.3 The values stated in inch-pound units shall be regarded as the standard. Mass may be expressed in metric values.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
25-Sep-1986
ICS
73.040 - Coals
Technical Committee
D05 - Coal and Coke
Drafting Committee
D05.07 - Physical Characteristics of Coal
Current Stage
Ref Project

Relations

Replaces
ASTM D291-86(1994)e1 - Standard Test Method for Cubic Foot Weight of Crushed Bituminous Coal
Effective Date
26-Sep-1986
Replaced By
ASTM D291-07 - Standard Test Method for Cubic Foot Weight of Crushed Bituminous Coal
Effective Date
01-Oct-2007

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ASTM D291-86(2002) - Standard Test Method for Cubic Foot Weight of Crushed Bituminous CoalASTM D291-86(2002) - Standard Test Method for Cubic Foot Weight of Crushed Bituminous Coal
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ASTM D291-86(2002) - Standard Test Method for Cubic Foot Weight of Crushed Bituminous Coal
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D291–86(Reapproved 2002)
Standard Test Method for
1
Cubic Foot Weight of Crushed Bituminous Coal
This standard is issued under the fixed designation D 291; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope PROCEDURE A—CONE PROCEDURE FOR
UNCOMPACTED CUBIC FOOT (CUBIC METRE)
1.1 This test method covers two procedures for determining
1 WEIGHT
the cubic foot weight of crushed coal less than 1 ⁄2 in. (37 mm)
in size, such as is charged into coke ovens, as follows:
4. Apparatus
1.1.1 Procedure A—The cone procedure for determining an
4.1 Measuring Box, of rigid construction, having inside
uncompacted weight per cubic foot (cubic metre).
dimensions of 12.0 by 12.0 by 12.0 in. (305 by 305 by 305
1.1.2 Procedure B—The dropped-coal procedure for deter-
3 3 3
mm), and a volume of 1728 6 5 in. (0.0283 m 6 82 cm ).The
mining a compacted weight per cubic foot (cubic metre),
exact volume of the box shall be determined by water
comparable to actual bulk densities attained in coke ovens.
calibration.
1.2 This method is not applicable to the testing of powdered
4.2 Cone, conforming to Fig. 1 for filling the box.This cone
coal as used in boiler plants, nor to the determination of
shall be 2 ft 0 in. (610 mm) high and 1 ft 8 in. (508 mm) in
weights per cubic foot of coal in storage piles.
1
inside diameter at the top, with a circular opening 4 ⁄2 in. (114
1.3 The values stated in inch-pound units shall be regarded
mm) in diameter at the bottom. A slide valve consisting of a
as the standard. Mass may be expressed in metric values.
sliding-plate shutter and its supports shall be welded to the
1.4 This standard does not purport to address all of the
bottom of the cone in such a manner that the valve may be
safety concerns, if any, associated with its use. It is the
opened and closed with ease by removing or inserting the
responsibility of the user of this standard to establish appro-
shutter in its supporting slides. The cone shall be supported in
priate safety and health practices and determine the applica-
a tripod frame having a circular opening at the top of about 1
bility of regulatory limitations prior to use.
ft6in.(457mm)indiameter.Thisframeshallsupportthecone
2. Referenced Documents so that the top-side of the shutter shall be 1 ft 10 in. (559 mm)
from the inside bottom surface of the box. (See Fig. 1.)
2.1 ASTM Standards:
1
4.3 Leveling Bar, a steel strip 2 ft 6 in. long by 1 ⁄2 in. wide
D 311 Method for Sieve Analysis of Crushed Bituminous
3
2 (762 by 38 mm) and approximately ⁄16 in. (5 mm) thick.
Coal
3
4.4 Scales, platform, capable of weighing up to 200 lb (100
D 440 Test Method of Drop Shatter Test for Coal
3 kg) and sensitive to 0.1 lb (0.05 kg).
D 2234 Practice for Collection of a Gross Sample of Coal
3
D 3038 Test Method for Drop Shatter Test for Coke
5. Sampling
3
D 3302 Test Method for Total Moisture in Coal
5.1 GrossSample—Forcollectinggrosssamplesofcrushed
3. Significance and Use bituminouscoal,theproceduredescribedinSections7and8of
Methods D 2234 shall apply. During the period of collecting
3.1 This test method concerns the compaction of crushed
the gross sample, the increments of the sample shall be stored
coal to determine either its compacted or uncompacted weight,
in a waterproof container with a tightly fitting cover in order to
for purposes such as charging coke ovens.
prevent the loss of moisture. The minimum number and
weights of increments collected shall be in accordance with
1 Table 2 of Methods D 2234. The minimum gross weight of the
This test method is under the jurisdiction of ASTM Committee D05 on Coal
sample shall be 300 lb (136 kg).
and Coke and is the direct responsibility of Subcommittee D05.07 on Physical
Characteristics of Coal.
5.2 Laboratory Sample—The gross sample of coal shall be
Current edition approved Sept. 26, 1986. Published November 1986. Originally
thoroughly mixed and subdivided, without crushing, into four
e1
published as D 291 – 27 T. Last previous edition D 291 – 86 (1994) .
2
75-lb (34-kg) portions. This operation shall be done as quickly
Discontinued; see 1988 Annual Book of ASTM Standards, Vol 05.05.
3
Annual Book of ASTM Standards, Vol 05.06. as possible to avoid loss of moisture, and the cubic foot (cubic
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D291
NOTE 1—1 in. = 25.4 mm
FIG. 1 Apparatus for Cone Procedure
metre) weight shall be determined immediately. If this deter- box on the platform scale and weigh it to
...

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3.1 This test method concerns the compaction of crushed coal to determine either its compacted or uncompacted bulk density, for purposes such as charging coke ovens.
SCOPE
1.1 This test method covers two procedures for determining the bulk density of crushed coal less than 37.5 mm [1.5 in.] in size, such as is charged into coke ovens, as follows:  
1.1.1 Procedure A—The cone procedure for determining an uncompacted bulk density.
1.1.1.1 Standard Method—Procedure employs the use of a 115 mm [4.5 in.] chute opening and a measuring box having dimensions of 305 mm x 305 mm x 305 mm [12.0 in. x 12.0 in. x 12.0 in.].
1.1.1.2 Alternate Method—Procedure employs the use of a 203 mm [8.0 in.] chute opening and a measuring box having dimensions of 203 mm x 203 mm x 305 mm [8.0 in. x 8.0 in. x 12.0 in.] for coals with a total moisture greater than 7 %.  
1.1.2 Procedure B—The dropped-coal procedure for determining a compacted bulk density, comparable to actual bulk densities attained in coke ovens.  
1.2 This test method is not applicable to the testing of powdered coal as used in boiler plants, nor to the determination of the bulk density of coal in storage piles.  
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