DL/T 1997-2019 in English

VALID

Cellular wet electrostatic precipitator

Issued on:2019-06-04
Implemented on:2019-10-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $200.00
$194.00

Standard No:	DL/T 1997-2019
Document status:	VALID
Title in English:	Cellular wet electrostatic precipitator
Title in Chinese:	蜂窝结构湿式电除尘（雾）器
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2019-06-04
Implemented on:	2019-10-01
Professional Classification:	DL-Electricity
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Introduction

Standard Core Technology Innovation

Technical Indicators	Traditional Wet Electrostatic Precipitator	Honeycomb Structure Wet Electrostatic Precipitator	Improvement Range
Specific Dust Collection Area	12-18m²/(m³/s)	≥20m²/(m³/s)	40%↑
Electrode Spacing Control	±15mm	±3mm	Accuracy Improved by 5 Times
Corrosion Protection Life	5-8 years	≥10 years	Double

Technical requirements for key components

1. Dust collecting electrode system

Adopt honeycomb modular design, non-metallic conductive material with an inscribed circle diameter of 300-400mm. Main features:

Surface roughness Ra＜12.5
Single side thickness ≥3mm
Flatness tolerance 1mm

2. Discharge electrode system

Integral suspended titanium alloy structure, typical configuration:

Same pole distance 300mm	Secondary voltage 60kV
Same pole distance 350-400mm	Secondary voltage 72kV

Key points of project implementation

Anti-corrosion system design

Triple anti-corrosion strategy is adopted:

Inside of shell: glass flake lining (HG/T2640)
Connectors: 2205 duplex stainless steel
Dust collecting electrode: conductive fiberglass (DL/T1844)

Cleaning system configuration

Typical parameters:

Water pressure 0.3-0.5MPa
Nozzle coverage ≥1m²
Adjacent coverage ≥150%

Test acceptance specification

Test items	Method standard	Qualified index
Smoke concentration	HJ836	≤5mg/m³
Air flow distribution	DL/T461	σ≤0.25
No-load boost	Article 7.1.6	U2≥55kV

More samples: NB/T 47013.2-2015 GB 18306-2015 GB 50021-2001(2009)

Sample only — not a preview of DL/T 1997-2019

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