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ASME PTC 34-2007

M00052070

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ASME PTC 34-2007 Waste Combustors with Energy Recovery

standard by ASME International, 02/29/2008

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The object of this Code is to provide a test procedurefor evaluating the performance ofwaste fuel combustorswith energy recovery using the boiler as a calorimeter.These procedures apply when the variability and wastefuel composition results in a lack of confidence inobtaining representative samples for laboratoryanalysis.

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Waste Combustors With Energy Recovery


Performance Test Codes


A N A M E R I C A N N A T I O N A L S T A N D A R D


Copyright 2000 by the American Society of Mechanical Engineers.

No reproduction may be made of this material without written consent of ASME.

c


ASME PTC 34-2007


Waste Combustors With Energy Recovery



Performance Test Codes


AN AMERICAN NA TIONAL S T AND ARD



Three Park Avenue • New York, NY 10016


Date of Issuance: February 29, 2008


This Code will be revised when the Society approves the issuance of a new edition. There will be no addenda issued to ASME PTC 34-2007.


ASME issues written replies to inquiries concerning interpretations of technical aspects of this document. Periodically certain actions of the ASME PTC Committee may be published as Code Cases. Code Cases and interpretations are published on the ASME Web site under the Committee Pages at https://cstools.asme.org as they are issued.


ASME is the registered trademark of The American Society of Mechanical Engineers.


This code or standard was developed under procedures accredited as meeting the criteria for American National Standards. The Standards Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate. The proposed code or standard was made available for public review and comment that provides an opportunity for additional public input from industry, academia, regulatory agencies, and the public-at-large.

ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, or activity.

ASME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable letters patent, nor assumes any such liability. Users of a code or standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely their own responsibility.

Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard.

ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME procedures and policies, which precludes the issuance of interpretations by individuals.


No part of this document may be reproduced in any form, in an electronic retrieval system or otherwise,

without the prior written permission of the publisher.


The American Society of Mechanical Engineers Three Park Avenue, New York, NY 10016-5990


Copyright © 2008 by

THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS

All rights reserved Printed in U.S.A.


CONTENTS

Notice v

Foreword vi

Committee Roster vii

Correspondence With the PTC 34 Committee viii

Introduction ix


Section 1

Object and Scope ...........................................................

1

1-1

Object .....................................................................

1

1-2

Scope ......................................................................

1

1-3

Uncertainty ................................................................

1

Section 2

Definitions and Description of Terms .........................................

2

2-1

Definitions .................................................................

2

2-2

Description of Terms .......................................................

4

2-3

Units and Conversions .....................................................

4

2-4

Steam Generator Envelope .................................................

4

Section 3

Guiding Principles...........................................................

8

3-1

Introduction ...............................................................

8

3-2

Planning for the Test .......................................................

8

3-3

Test Personnel and Responsibilities .........................................

8

3-4

Test Preparation, Test Apparatus, and Plant Equipment .....................

9

3-5

Conduct of Test ............................................................

9

3-6

Data Evaluation and Reporting .............................................

11

3-7

Prior Agreements ..........................................................

12

Section 4

Instruments and Methods of Measurement....................................

14

4-1

Introduction ...............................................................

14

4-2

Data Required .............................................................

14

4-3

General Measurement Requirements ........................................

14

4-4

Temperature Measurement .................................................

21

4-5

Pressure Measurement .....................................................

22

4-6

Flow Measurement .........................................................

25

4-7

Sampling and Analysis .....................................................

29

Section 5

Computation of Results ......................................................

34

5-1

Introduction ...............................................................

34

5-2

Measurement Data Reduction ..............................................

34

5-3

Output (QrO), Btu/hr (W) .................................................

35

5-4

Input ......................................................................

36

5-5

Energy Balance ............................................................

36

5-6

Efficiency ..................................................................

37

5-7

Residue Properties .........................................................

37

5-8

Flue Gas Products .........................................................

38

5-9

Combustion Air Properties .................................................

39

5-10

Air and Flue Gas Temperature .............................................

41

5-11

Losses .....................................................................

42

5-12

Credits ....................................................................

44

5-13

Supplementary Fuel Input .................................................

45

5-14

HHV of Waste Fuel ........................................................

45

5-15

Sorbent and Other Additives ...............................................

45

5-16

Uncertainty ................................................................

45

iii


5-17

Other Operating Parameters ................................................

48

5-18

Corrections to Standard or Guarantee Conditions ...........................

48

5-19

Enthalpy of Air, Flue Gas, and Other Substances Commonly Required for Energy Balance Calculations .............................................


51

5-20

Acronyms .................................................................

53

Section 6

Report of Results............................................................

65

6-1

Introduction ...............................................................

65

6-2

Contents of Report .........................................................

65

Section 7

Uncertainty Analysis.........................................................

67

7-1

Introduction ...............................................................

67

7-2

Fundamental Concepts .....................................................

67

7-3

Pretest Uncertainty Analysis and Test Planning .............................

74

7-4

Equations and Procedures for Determining the Standard Deviation for

the Estimate of Random Error ...........................................


74

7-5

Equations and Guidance for Determining Systematic Uncertainty ...........

78

7-6

Uncertainty of Test Results .................................................

83

Figures

2-4

Typical System Boundary ..................................................

7

3-5.4

Repeatability of Runs ......................................................

11

4-4.3.1-1

Sampling Grids — Rectangular Ducts ......................................

23

4-4.3.1-2

Sampling Grids — Circular Ducts ..........................................

24

5-19.9-1

Mean Specific Heat of Dry Air vs. Temperature .............................

55

5-19.9-2

Mean Specific Heat of Water Vapor vs. Temperature ........................

56

5-19.9-3

Mean Specific Heat of Dry Flue Gas vs. Temperature ........................

58

5-19.9-4

Mean Specific Heat of Dry Residue vs. Temperature ........................

59

7-2.2-1

Types of Errors in Measurements ...........................................

69

7-2.2-2

Time Dependence of Errors ................................................

69

7-2.3

Constant Value and Continuous Variable Models ...........................

71

7-5.2.1-1

Generic Calibration Curve ..................................................

80

Tables

2-3

Units and Conversions .....................................................

5

3-5.5

Operating Parameter Deviations ............................................

11

4-2-1

Parameters Required for Input, Efficiency, and HHV Determinations ........

15

4-2-2

Parameters Required for Wet Flue Gas Flow Using Economizer Heat

Balance ..................................................................


18

4-2-3

Parameters Required to Determine Corrected Flue Gas Exit

Temperature .............................................................


18

4-3.5

Potential Instrumentation Systematic Uncertainties ..........................

20

5-16.3

Two-Tailed Student’s t Table for the 95% Confidence Level ..................

47

5-20.2

List of Acronyms Used .....................................................

61


Mandatory Appendix

I Standard Radiation and Convection Loss Chart 85

Nonmandatory Appendices


A

Sample Calculation Procedures for Waste Combustors With

Energy Recovery ........................................................


87

B

Test Method for Determining Moisture, Combustible Content, and

Heating Value of Residue From Municipal Solid Waste Incinerators .......


97

C

References .................................................................

99

iv


NOTICE


All Performance Test Codes must adhere to the requirements of ASME PTC 1, General Instruc- tions. The following information is based on that document and is included here for emphasis and for the convenience of the user of the Code. It is expected that the Code user is fully cognizant of Sections 1 and 3 of ASME PTC 1 and has read them prior to applying this Code.

ASME Performance Test Codes provide test procedures that yield results of the highest level of accuracy consistent with the best engineering knowledge and practice currently available. They were developed by balanced committees representing all concerned interests and specify procedures, instrumentation, equipment-operating requirements, calculation methods, and uncer- tainty analysis.

When tests are run in accordance with a Code, the test results themselves, without adjustment for uncertainty, yield the best available indication of the actual performance of the tested equip- ment. ASME Performance Test Codes do not specify means to compare those results to contractual guarantees. Therefore, it is recommended that the parties to a commercial test agree before starting the test and preferably before signing the contract on the method to be used for comparing the test results to the contractual guarantees. It is beyond the scope of any Code to determine or interpret how such comparisons shall be made.


v


FOREWORD


In 1966, the ASME Performance Test Code committee recognized the need for a Performance Test Code for Large Incinerators. A Committee was formed in 1967 and charged with the task of developing a comprehensive Test Code for Large Incinerators; a task to be followed by a Short Form Test Procedure. This Committee was officially designated as PTC Committee 33 Large Incinerators. At the time of its issue, PTC 33 represented the highest state of the art in incinerator testing. It was submitted to industry for trial use and comment in 1977. PTC 33 was approved by the Performance Test Codes Supervisory Committee on June 30, 1978 and was approved as an American National Standard by the ANSI Board of Standards Review on December 6, 1978. PTC 34 was formed in 1988 as a follow-up to PTC 33. PTC 33 was essentially a procedure for determining combustion efficiency and waste capacity and did not address units with energy recovery. At that time, it was recognized that the procedures for sampling tons of a heterogeneous material was unrealistic and impractical as a key element of a waste combustion performance test. At the urging of the ASME Research Committee on Industrial and Municipal Waste, the

U.S. Bureau of Standards [now the National Institute Standards and Technology (NIST)] devel- oped, over a period of about 10 years, a larger calorimeter but concluded that the larger one was not much better than the smaller one because of the sampling dilemma. This provided the incentive to pursue the Boiler-Calorimeter Method covered by this test code.

This Code was approved by the PTC 34 Committee on January 9, 2007 and by the Performance Test Codes Standards Committee on January 9, 2007. It was then approved and adopted by the Council as a Standard practice of the Society by action of the Board on Standardization and Testing on February 20, 2007. This Performance Test Code was approved by ANSI as an American National Standard on April 12, 2007.


vi


ASME PTC COMMITTEE

Performance Test Codes

(The following is the roster of the Committee at the time of approval of this Standard.)


STANDARDS COMMITTEE OFFICERS

J. G. Yost, Chair

J. R. Friedman, Vice Chair

J. H. Karian, Secretary



P. G. Albert, General Electric Co.

R. P. Allen, Consultant

J. M. Burns, Burns Engineering

W. C. Campbell, Southern Company Services

M. J. Dooley, Alstom Power

A. J. Egli, Alstom Power

J. R. Friedman, Siemens Power Generation, Inc.

G. J. Gerber, Consultant

P. M. Gerhart, University of Evansville

R. A. Johnson, Safe Harbor Water Power Corp.

T. C. Heil, The Babcock & Wilcox Co.

STANDARDS COMMITTEE PERSONNEL

S. J. Korellis, Dynegy Generation

M. P. McHale, McHale & Associates, Inc.

P. M. McHale, McHale & Associates, Inc.

J. W. Milton, Reliant Energy

S. P. Nuspl, The Babcock & Wilcox Co.

A. L. Plumley, Plumley Associates

R. R. Priestley, General Electric

J. A. Rabensteine, Environmental Systems Corp.

J. W. Siegmund, Sheppard T. Powell Associates LLC

J. A. Silvaggio, Jr., Turbomachinery, Inc.

W. G. Steele, Jr., Mississippi State University

J. C. Westcott, Mustan Corp.

J. H. Karian, The American Society of Mechanical Engineers

D. R. Keyser, Survice Engineering

W. C. Wood, Duke Power Co.

J. G. Yost, Airtricity, Inc.


PTC 34 COMMITTEE — WASTE COMBUSTORS WITH ENERGY RECOVERY

S. A. Scavuzzo, Chair, The Babcock & Wilcox Co.

R. J. Briggs, Vice Chair, Florida Power and Light Co.

J. H. Karian, Secretary, The American Society of Mechanical Engineers

S. G. Deduck, Covanta Energy, Inc.

L. M. Grillo, Grillo Engineering Co.

H. I. Hollander, Consultant

J. M. Yanok, Washington Division — URS Corp.


SPECIAL NOTE

The Committee acknowledges, with appreciation, the contribution to the development of this Code by former members Roger S. Hecklinger, who chaired the Committee during most of its existence, Frank Hamlyn, and Robert

E. Sommerlad (Member Emeritus of the PTC Standards Committee).


vii


CORRESPONDENCE WITH THE PTC 34 COMMITTEE


General. ASME Codes are developed and maintained with the intent to represent the consensus of concerned interests. As such, users of this Code may interact with the Committee by requesting interpretations, proposing revisions, and attending Committee meetings. Correspondence should be addressed to

Secretary, PTC 34 Standards Committee

The American Society of Mechanical Engineers Three Park Avenue

New York, NY 10016-5990


Proposing Revisions. Revisions are made periodically to the Code to incorporate changes that appear necessary or desirable, as demonstrated by the experience gained from the application of the Code. Approved revisions will be published periodically.

The Committee welcomes proposals for revisions to this Code. Such proposals should be as specific as possible, citing the paragraph number(s), the proposed wording, and a detailed descrip- tion of the reasons for the proposal, including any pertinent documentation.

Proposing a Case. Cases may be issued for the purpose of providing alternative rules when justified, to permit early implementation of an approved revision when the need is urgent, or to provide rules not covered by existing provisions. Cases are effective immediately upon ASME approval and shall be posted on the ASME Committee Web page.

Requests for Cases shall provide a State