CJ/T 540-2019 in English

VALID

The suspending center driving thickener for gravity sludge thickening tank

Issued on:2019-10-28
Implemented on:2020-06-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $220.00
$214.00

Standard No:	CJ/T 540-2019
Document status:	VALID
Title in English:	The suspending center driving thickener for gravity sludge thickening tank
Title in Chinese:	重力式污泥浓缩池悬挂式中心传动浓缩机
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2019-10-28
Implemented on:	2020-06-01
Superseding:	CJ/T 3014-1993 The suspending center driving sludge scraper for gravity sludge thickening tank
ICS Classification:	13.060.30-Sewage water
Chinese Classification:	P41-Outdoor water supply and draining engineering
Professional Classification:	CJ-Urban Construction
Related Keywords:	gravity sludge tank area tank introduction background sludge concentration simple sludge
Related Topics:	Concentrator concentrate sludge gravity Centrifugal concentrator Pre-concentrator Automatic concentrator Concentrated Sludge concentration Sludge concentration Water concentrator air concentrator cj/t 3 Parallel concentrator Concentrator parameters Organic Sample Concentrator Parallel concentrator Atmospheric Concentrator Sludge pre-thickening Parallel concentrator Concentration speed Quantitative concentrator Molybdenum in sludge Concentrator parameters Principle of pre-concentration Quantitative concentrator Quantitative concentrator Automatic sample concentration cj/t 2 concentration Concentrator testing pre-concentrator Concentrated series Principle of pre-concentration Synthesis and Concentration Horizontal concentrator Centrifugal concentrator Pre-concentrator Automatic Quantitative Concentrator Centrifugal concentrator concentration Organic pre-concentrator pre-concentrator tube pre-concentrated en Atmospheric Concentrator Concentrator principle Three stage pre-concentration Automatic Sample Concentrator parallel enrichment Sewage pre-concentration Centrifugal Concentrator Factory parallel enrichment Automatic constant temperature concentrator Centrifugal Concentrator Factory Determination of sludge concentration concentration pool concentrated centrifugal technology suspension Sludge concentration in sludge tank Atmospheric enrichment Atmospheric enrichment Concentrator Classification Concentration of organic phase General category of concentrators Concentrated set Huamei Centrifugal Concentrator constant temperature concentration concentrated constant temperature air concentrator Height of color pool center Concentrator principle automatic enrichment Concentrator centrifugal concentrator Centrifugal concentrator Centrifugal concentrator TLC Centrifugal Concentration Concentration Cadmium Pre-Concentration four-phase enrichment Integrated centrifugal concentrator concentrated sample concentration concentration temperature s8 concentrator Automatic Parallel Concentrator Concentrator Classification Water Concentrator concentrated heat Concentrator tube sludge pond Sage Scientific Concentrate 36 Concentration rate How to Centrifuge and Concentrate sludge pond constant temperature concentration Pond mud Gas concentrator Automatic sample concentrator Concentrator Operation Measuring sludge concentration Tertiary enrichment Machine centrifugal concentration method Concentrator maintenance Parallel concentrate cup Concentrator maintenance Concentrated over-extracted capillary concentration Concentrator Concentration pool daily concentrated fixative Sludge Concentration Measurement centrifugation and preconcentration Portable sludge concentration meter Centrifugal Concentrator+ Foreign concentrator Concentrator series water phase concentration Centrifugal Concentration hanging JWZ center transmission concentrator CCM mechanism carbon concentration Entech7200CTS preconcentrator TCA concentrate Centrifugal concentration temperature scanspeed32 concentrator Deep vertebral concentrator Center drive concentrator cj/t156-2019 cj/t537-2019

本标准规定了重力式污泥浓缩池悬挂式中心传动浓缩机的术语和定义、型式、型号和基本参数、一般要求、要求、试验方法、检验规则、标志、包装、运输和贮存。
本标准适用于水处理工程中重力式污泥浓缩池浓缩机的制造和检验。

Introduction

Background of Standard Revision and Technological Evolution

This standard replaces the 1993 version of CJ/T 3014. The main technical upgrades include: the protection level of the drive device is increased to IP55, new technical requirements for thickness bars and guide tubes are added, and the service life of the whole machine is clearly defined as ≥15 years, etc., reflecting the industry's technological transformation from simple sludge scraping to efficient thickening.

Technical requirements for core components

Components	Key parameters	Test methods
Drive device	Energy efficiency level 2, overload protection dual redundancy	GB/T 755 energy efficiency test
Concentration bars	Spacing 300mm, height 2/3 water depth	Corrosion resistant material verification
Scraper system	Rubber plate ≤10mm from pool bottom	Laser rangefinder calibration

Analysis of implementation points

Case: The XNJ 12-ZL model was used in the transformation of a 12m thickening tank in a sewage plant. The sludge concentration was increased by 18% by optimizing the cross-sectional area of the guide tube (3.5% of the tank area). The drive device uses a WP worm reducer to meet the 8000h trouble-free requirement.

Quality Control System

Key Control Points: Weld flaw detection level 2, paint film thickness underwater ≥240μm, spindle verticality φ10mm. Type inspection must include a 72-hour load operation test, and noise control ≤75dB(A).

More samples: DL/T 368-2010 GB 18306-2015 YD/T 3934-2021

Sample only — not a preview of CJ/T 540-2019

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