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HJ 2524-2012

HJ 2524-2012_English: PDF (HJ2524-2012)
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HJ 2524-2012English239 Add to Cart Days<=3 Technical requirement for environmental protection products. Single screw pump HJ 2524-2012 Valid HJ 2524-2012
 

BASIC DATA
Standard ID HJ 2524-2012 (HJ2524-2012)
Description (Translated English) Technical requirement for environmental protection products. Single screw pump
Sector / Industry Environmental Protection Industry Standard
Classification of Chinese Standard J71
Classification of International Standard 23.080
Word Count Estimation 9,923
Quoted Standard GB/T 9112; GB/T 9115; GB/T 9119; GB/T 9124; GB/T 13384; GB/T 17241.6; GB/T 17241.7; JB/T 4297; JB/T 6880.1; JB/T 6880.2; JB/T 8091-1998; JB/T 8097-1999; JB/T 8098; JB/T 8644
Drafting Organization China Environmental Protection Industry Association (Water Pollution Control Committee)
Regulation (derived from) Department of Environmental Protection Notice No. 47 of 2012;
Summary This standard specifies the technical requirements of a single screw, test methods, inspection rules, marking, packaging, transport and storage. This standard applies to transport media containing solid particles and fibers of single screw.

HJ 2524-2012
Technical requirement for environmental protection products.Single screw pump
National Environmental Protection Standard of the People's Republic
Environmental protection product technical requirements single screw pump
Technical requirement for environmental protection products
Single screw pump
Published on.2012-7-31
2012-11-1 Implementation
Ministry of Environmental Protection released
Content
Preface II
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Basic requirements 1
5 performance requirements 2
6 Test method 3
7 Inspection rules 4
8 Marking, packaging, transportation and storage 4
Foreword
In order to implement the Law of the People's Republic of China on Water Pollution Prevention and Control, standardize the production and manufacture of single screw pumps and improve the quality of single screw pumps.
Develop this standard.
This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of single screw pumps.
This standard is the first release.
This standard was formulated by the Science and Technology Standards Department of the Ministry of Environmental Protection.
This standard is mainly drafted by. China Environmental Protection Industry Association (Water Pollution Control Committee), Hangzhou Xinglong Pump Co., Ltd.
This standard was approved by the Ministry of Environmental Protection on July 31,.2012.
This standard has been implemented since November 1,.2012.
This standard is explained by the Ministry of Environmental Protection.
Environmental protection product technical requirements single screw pump
1 Scope of application
This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of single screw pumps.
This standard applies to the delivery of single screw pumps containing solid particles and fiber media.
2 Normative references
The terms in the following documents become the terms of this standard by reference to this standard. For undated references, the most
The new version applies to this standard.
GB/T 9112 Steel Pipe Flange Types and Parameters
GB/T 9115.1 flat, protruding face welded steel pipe flange
GB/T 9119 plate type flat welded steel pipe flange
GB/T 9124 steel pipe flange technical conditions
General technical conditions for GB/T 13384 mechanical and electrical product packaging
GB/T 17241.6 integral cast iron flange
GB/T 17241.7 Cast iron pipe flange technical conditions
JB/T 4297 pump product painting technical conditions
JB/T 6880.1 grey cast iron parts for pumps
JB/T 6880.2 steel castings for pumps
JB/T 8091-1998 Screw pump test method
JB/T 8097-1999 Pump vibration measurement and evaluation method
JB/T 8098 pump noise measurement and evaluation method
JB/T 8644 single screw pump
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1 Single screw pump Single screw pump
a rigid rotor (screw) is rotated around the eccentric circle in the elastic stator (bushing) cavity, thereby continuously
The pump that transports media from one end to the other.
4 basic requirements
4.1 Manufacturing
4.1.1 The single screw pump shall be manufactured in accordance with the product drawings and technical documents approved by the prescribed procedures and in accordance with the provisions of this standard.
4.1.2 The single-screw pump stator and rotor spiral surface should be accurate, the surface should not have defects, and the surface roughness should not be lower than Ra0.8 μm.
4.2 Assembly
4.2.1 The non-machined surface of the single-screw pump that is in contact with the medium to be conveyed shall be rust-proof (except stainless steel) before assembly.
4.2.2 The bearing housing and the universal joint seal sleeve shall be filled with 2/3 cavity grease.
4.2.3 The temperature rise of the bearing should not exceed the ambient temperature of 35 ° C, and its maximum temperature should not exceed 80 ° C.
4.2.4 Single screw pump shaft seals are mechanical or packing sea