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1、_ J I S BrBb03 89 M 4933b08 002335b 2 JIS - - UDC 621.51 2.001.4:621.57 JAPANESE INDUSTRIAL STANDARD. Performance Testing and Inspection Methods by Air for Open Type Reciprocating Refrigerant Compressors I Printed in Japan JIS B 8 6 0 3 - 1 9 8 9 Translated and Published by Japanese Standards Associ
2、ation 11 s Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/16/2007 00:15:07 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS B*db03 89 4933608 0023357 4 In the event of
3、 any doubt arising, the original Standard in Japanese is to be final authority. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/16/2007 00:15:07 MDTNo reproduction or networking permitted without l
4、icense from IHS -,-,- UDC 621.512.001.4:621.57 JAPANESE INDUSTRIAL STANDARD J I S Performance Testing and Inspection B 8603-1989 Methods by Air for Open Type Reciprocating Refrigerant Compressors 1. Scope This Japanese Industrial Standard specifies the methods by use of air for the performance inspe
5、ction of open type reciprocating compressors used in refrigerating machines, hereinafter ref erred to as the “compressors“. Remarks 1. Those units and numerical values shown in braces 1 in this Standard are based on the conventional units and are appended for informative reference. 2. The pressures
6、shown in this Standard mean gauge pressures (static pressures) unless otherwise specified. 2. Inspection Items e The inspection items for compressors shall be as shown in the following. The accuracy of the main measuring instruments used for inspection shall be as specified in Attached Table. ( 1) C
7、ontinuous running inspection. (2) Vacuum inspection (3) Discharge valve leakage inspection (4) Capability inspection 3. Continuous Runnine: InsPection 3.1 Testing Method The test shall be performed by setting the suction pressure at the atmospheric pressure and keeping the discharge pressure at the
8、value shown in Table 1, reading the temperatures of respective parts of the compressor at intervals of 15 minutes, and continuously running the compressor until these temperatures become constant. e Applicable Standard and Reference Standards: See page 17. Copyright Japanese Standards Association Pr
9、ovided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/16/2007 00:15:07 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S B*8b03 87 47336138 13823357 8 Type of machine W ater-jacketed compressor 2 B 8603-1989 Discharg
10、e pressure kPa kgf/cmz 1 200 2.04) Table 1 . Discharge Pressure W ater-j acketless compressor Booster ( l ) 100 (1.02) Specified pressure ( ) within 200 ( 2.0411 Measurement shall be carried out for the undermentioned items. However, measurement may be omitted for items of which measurement is diffi
11、cult for reasons of the construction of the compressor. Room temperature Atmospheric pressure Cooling water inlet temperature Cooling water flow-rate Pow er source volt age Power source frequency Compressor suction pressure Compressor suction temperature Compressor discharge pressure Compressor disc
12、harge temperature Motor input power Motor input current Compressor rotating speed Outside temperature of outer end bearing Outside temperature of main bearing (driving side) Outside temperature of main bearing (reverse-driving) Shaft seal temperature Cylinder wall temperature Cylinder head cover tem
13、perature Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/16/2007 00:15:07 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S 8*8b03 89 W 4933608 0023360 4 W - - Water-j
14、acketed compressor Rotating speed lower Rotating speed than 700 min- 700 min- min. 3 B 8603-1989 W ater-j acketless compressor (20) Lubricating oil temperature (but where an oil cooler is provided, temperatures at inlet and outlet of oil cooler) (21) Supply oil pressure (22) Cooling water outlet tem
15、perature 3.2 Criteria In the continuous running test, the conditions of (1) and (2) shall be satisfied, with a smooth and stable running condition and without abnormal sounds or vibrations or variations in pressure and motive power. (1) The limits of temperature rise in respective parts of the compr
16、essor shall be as shown in Table 2. Table 2. Limits of Temperature Rise Unit: “C Location Outside of outer end bearing Outside of main bearing Shaft seal Lubricating oil I I Cylinder wall I 30 60 Remarks 1. (Temperature rise) = (measured temperature) - (room temperature) 2. The limit value of temper
17、ature rise for compressors with a rotating speed exceeding 2000 min- shall be the value specified by the manufacturer. e (2) The supply oil pressure regulating valve shall be easy to operate and, be able to adjust the pressure so as to make the difference pressure between the supply oil pressure and
18、 the suction pressure 150 kPa (1.53 kgflcmz) or larger. 4. Vacuum Inspection The highest achievable vacuum on the suction side shall be measured by opening the discharge side of the compressor to atmosphere, completely closing the suction stop valve, and using a mercury manometer or a calibrated vac
19、uum gauge. The value of vacuum shall meet the requirements of Table 3. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/16/2007 00:15:07 MDTNo reproduction or networking permitted without license fr
20、om IHS -,-,- JPS B*8b3 89 = 4933608 Il0233611 b 4 B 8603-1989 Table 3. Vacuum Division of compressors Vacuum kPa mmHg) Compressors of 1 kW and over I -93.3 (-700) min. Compressors of under 1 kW -90.7 (-680) min. 5. Discharge Valve Leakage Inspection When the suction valve is closed and a pressure of
21、 400 kPa (4.08 kgflcmz or higher is applied to the discharge side of the compressor in suspended condition, the compressed air shall not flow back into the crankcase to such an extent as to affect the performance of the compressor. 6. Capacity Inspection 6.1 Test Conditions and Test Items In this te
22、st, measurement shall be performed for the following items by setting the suction side pressure at the atmospheric pressure and under four kinds of test conditions of pressure ratio - at the discharge pressure when the discharge pressure adjusting throttle valve is open, a discharge pressure of 400
23、kPa (4.08 kgf/cmz), and at least two different kinds of discharge pressures intermediate between the above pressures, Room temperature Atmospheric pressure Cooling water inlet temperature Cooling water flow-rate Power source voltage Power source frequency Compressor suction pressure Compressor sucti
24、on temperature Compressor discharge pressure Test items specified in either of the following (lO.l), (10.2), and (10.3) required for measuring the air flow-rate. to be carried out according to the testing methods specified in 6.2. (10.1) In the case of using orifice (refer to Fig. 1) (a) Measuring p
25、ipe-line diameter (b) Orifice aperture diameter (c) Temperature before orifice Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/16/2007 00:15:07 MDTNo reproduction or networking permitted without li
26、cense from IHS -,-,- 5 B 8603-1989 I. (d) Pressure before orif ice (e) (10.2) Pressure difference between the front and back of orifice In the case of using float type area flowmeter or positive displacement flowmeter (refer to Fig. 2) (a) Temperature before flowmeter (b) Pressure before flowmeter (
27、c) Flowmeter reading (10.3) In the case of using air reservoir filling method (refer to Fig. 3) (a) Volume of air reservoir (b) (c) (d) (e) (f) Air reservoir filling time Initial pressure in air reservoir Initial temperature in air reservoir Pressure after filling air reservoir Temperature after fil
28、ling air reservoir Compressor discharge temperature Motor input power Motor input current Compressor rotating speed Outside temperature of outer end bearing Outside temperature of main bearing (driving side) Outside temperature of main bearing (reverse driving side) Shaft seal temperature Cylinder w
29、all temperature Cylinder head cover temperature Lubricating oil temperature (but where an oil cooler is provided, temperatures at inlet and outlet of oil cooler). Supply oil pressure Cooling water outlet temperature Copyright Japanese Standards Association Provided by IHS under license with JSALicen
30、see=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/16/2007 00:15:07 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S Bx8b03 89 = 4933638 0023363 T 6 B 8603-1989 Suction Fig. 1. Suction Air Flow Measuring Apparatus (When Using Orif ice) Pd a l OJ a U 8 m
31、 t n o) K - U I+ Connecting pipe .* u .e Air Buffer I 2 Measuring plate 1 8 pipe line reser- voir a vr w r Pressure regulating D 2 valve -e o u 30 , L 120 (without buffer plate) . I = L 7 0 (with buffer plate) 3D min. Remark: The symbols in the figure mean as follows: Bore of piping (m) Pressure dif
32、ference between positions directly before and after orifice plate (Pa) kgf/m2 or mmHz0) Absolute pressure of atmospheric air (Pa) kgf/m2) Negative pressure of compressor suction air (Pa) mmHaO Pressure of compressor discharge air (kPa) kgf/cmz 1 Pressure directly before flowmeter (Pa) mmHzOl Atmosph
33、eric temperature (OC) Temperature of compressor suction air (OC) Temperature of compressor discharge air (OC) Air temperature directly before flowmeter ( O C ) Volume of air reservoir (m3) Length of measuring pipe line (m) Copyright Japanese Standards Association Provided by IHS under license with J
34、SALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/16/2007 00:15:07 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S B*b03 89 W 4933608 O023364 L - _ _ _ 7 B 8603-1989 Air reser- voir VI- filter Fig. 2. Suction Air Flow Measuring Apparatus (When
35、Using Float Type Flowmeter or Positive Displacement Flowmeter) , t d i tdz 4 Pressure Suction Remark: The symbols in the figure mean as follows: Bore of piping (m) Absolute pressure of atmospheric air (Pa) kgf/m2) Negative pressure of compressor suction air (Pa) mmH2 O Pressure of compressor dischar
36、ge air (kPa) kgf/cmz) Pressure directly before flowmeter (Pa) mmH2 O 1 Atmospheric temperature (OC) Temperature of compressor discharge air (OC) Temperature of compressor suction air (OC) Temperature of air directly before flowmeter (OC) Volume of air reservoir (m3 ) 4 Fig. 3. Suction Air Flow Measu
37、ring Apparatus (When Using Air Reservoir Filling Method) Suction u regulating U valve Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/16/2007 00:15:07 MDTNo reproduction or networking permitted wit
38、hout license from IHS -,-,- J I S B*Bb03 87 m 4733608 0023365 3 m 8 B 8603-1989 Remark: The symbols in the figure mean as follows: Absolute pressure of atmospheric air (Pa) kgf/m2 Negative pressure of compressor suction air (Pa) (mmH2O) Initial pressure of air in air reservoir (kPa) (kgf/cmz Final p
39、ressure of air in air reservoir (kPa) (kgf/cmzI Temperature of compressor suction air (OC) Initial temperature of air in air reservoir ( O C ) Final temperature of air in air reservoir (OC) Volume of air reservoir (m3) 6.2 Test Apparatus The test apparatus used shall be able to measure accurately th
40、e values required for indicating the running conditions and performance of the compressor, and meet the under mentioned requirements. The test apparatus and measuring apparatus for the compressor shall as a rule be arranged as in Fig. 1 based on JIS B 8341 or as in Fig. 2 or Fig. 3 based on the Appe
41、ndix of JIS B 8341 (Testing methods for compressors with pressure ratios of within 30 used for air reservoir filling and small size compressors with shaft powers of within 11 kW) as appropriate. When Using Orifice (refer to Fig. 1) The orifice aperture diameter shall be made 10 mm or larger and the
42、pressure difference between the positions directly before and directly behind the orifice plate shall be 500 Pa I51.0 mm Hz0) or more. When Using Float Type Area Flowmeter or Positive Displacement Flowmeter (refer to Fig. 2) be measured according to the method of (i), measurement may be made by usin
43、g a preliminarily calibrated float type area flowmeter having an accuracy of 2 2 % or a positive displacement flowmeter having an equivalent accuracy. When Using Air Reservoir Filling Method (refer to Fig. 3) reservoir filling method specified in the Appendix of JIS B 8341 may be applied as appropri
44、ate, for the purpose of comparing the capability of a large number of compressors of the same type with that of a compressor of known capability. shall be not shorter than 5 minutes. In a compressor of which the flow cannot The air However, the time taken for filling 6.3 Measuring Method for Suction
45、 Air Flow The measured after the start of running of the compressor the respective temperatures at the measuring positions apparatuses of Fig. 1, Fig. 2, or Fig. 3 do not show a 6.4 Calculation of Suction Air Flow The suction from the following formulas. suction air flow shall be and in a condition
46、in which in the respective test remarkable rise. air flow shall be calculated Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/16/2007 00:15:07 MDTNo reproduction or networking permitted without lic
47、ense from IHS -,-,- 9 B 8603-1989 ( 1) When Using Orifice (refer to Fig. 1) where, Q : A : d: a : 9 : P : Y : Ps : Ys : h : suction air flow (m3/min) circular hole area of orifice plate = 4 . (mZ) xd2 hole diameter of orifice plate (m) flow-rate coefficient correction coefficient by expansion of air
48、 acceleration of free fall (9.81 m/s2) density of air directly before orifice plate weight per unit volume (kgf/m3) density of compressor suction air (kg/m3) weight per unit volume (kgf/m3) pressure difference between positions directly before and directly after orifice plate (Pa) kgf/mz or mmHzO) (2) When Using Float Type Area Flowmeter or Positive Displacement Flowmeter (refer to Fig.