Application
Shandong Iron and Steel Co., Ltd. Laiwu Branch
- Categories:Steel
- Author:
- Origin:
- Time of issue:2020-08-17 15:03
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(Summary description)
Shandong Iron and Steel Co., Ltd. Laiwu Branch
(Summary description)
- Categories:Steel
- Author:
- Origin:
- Time of issue:2020-08-17 15:03
- Views:
Customer profile
Shandong Iron and Steel Co., Ltd. Laiwu branch office is located in Laiwu,The company is mainly engaged in power generation, heating, and water supply (the validity period of the above scope is subject to the permit). Iron and steel smelting, processing and technical consulting services, production and sales of steel, large forgings, coke and coking products, water slag and steelmaking by-products, sales of iron ore and similar ore, self-support import and export business.
Project name
Laiwu branch of Shanxi Iron and Steel Co., Ltd., new and old kinetic energy conversion system optimization and upgrading project 1#3800m3 blast furnace project
Overview
The equipment defined in this technical specification is used in the Laiwu Steel 1#3800m3 blast furnace integrated circulating water pump room, and is mainly used in the blast furnace combined soft water closed system, blast furnace clean circulating water system, and refrigerant water system.
1. Technical specifications and requirements
1.1 General requirements
This technical specification only provides limited technical requirements, does not specify all technical details, and does not fully quote the detailed provisions of relevant standards and specifications. The equipment provided by the supplier should be able to meet the specifications in the specification, including the technical requirements in terms of function, structure, performance parameters, etc., and ensure that it meets the requirements of relevant countries, industry technical specifications and standards, and technical data provided by the buyer.
The equipment provided by the supplier should strive for efficient operation, energy saving, low noise, compact structure, convenient maintenance, beautiful appearance, and long service life.
1.2 Functional description
The equipment is used in Laiwu Steel's 1#3800m3 blast furnace integrated circulating water pump room blast furnace combined soft water closed system, blast furnace clean circulating water system, and refrigerant water system to provide circulating power for the circulating water system.
1.3 The main technical parameters of the equipment
| 2.3.1Medium-pressure net circulating water supply pump (single-stage double-suction center-open horizontal centrifugal pump) | 2.3.2Atmospheric net circulating water supply pump (single-stage double-suction center-open horizontal centrifugal pump) | |||
| qty | 8 sets | qty | 10 sets | |
| equipment ID | SL2440S19.1.001（XS100-310G） | equipment ID | SL2440S19.1.002（XS200-520G） | |
| installation location | 1#3800m3 blast furnace integrated pump room | installation location | 1#3800m3 blast furnace integrated pump room | |
| Conveying medium | 35℃ industrial clean water | Conveying medium | 35℃ industrial clean water | |
| rotation | the pump direction is clockwise from motor end | rotation | the pump direction is clockwise from motor end | |
| rated point capacity | 320m3/h | rated point capacity | 662m3/h | |
| Rated point head | 115m | Rated point head | 65m | |
| Rated point speed | ≤2980r/min | Rated point speed | ≤1480r/min | |
| Rated point efficiency | ≥79％ | Rated point efficiency | ≥82％ | |
| Design capacity | Q=258~432~518m³/h; | Design capacity | Q=474~790~972m³/h; | |
| Design head | H=118~110~100m; | Design head | H=68~61~53m; | |
| Lowest efficiency in design head range | ≥76％ | Lowest efficiency in design head range | ≥74％ | |
| Impeller type | efficient anti-blocking impeller | Impeller type | efficient anti-blocking impeller | |
| General requirements for pumps | Provide comprehensive drawings | General requirements for pumps | Provide comprehensive drawings | |
| NPSHr(m) | ≤5.5m | NPSHr(m) | ≤4m | |
| Bearing type | SKF | Bearing type | SKF | |
| lubricating | grease lubrication, supplementary lubrication without disassembly | lubricating | grease lubrication, supplementary lubrication without disassembly | |
| Pass the largest particle diameter | ≤80mm | Pass the largest particle diameter | ≤80mm | |
| Machinery Seal | Tungsten Carbide/Silicon Carbide (Shanghai Bergman) | Machinery Seal | Tungsten Carbide/Silicon Carbide (Shanghai Bergman) | |
| Motor | manufacturer-wide brands | Motor | manufacturer-wide brands | |
| Rated voltage | 380V | Rated voltage | 380V | |
| rated power | ≥160kW | rated power | ≥185kW | |
| effectiveness | ≥91％ | effectiveness | ≥91％ | |
| cool down | Self-cooling | cool down | Self-cooling | |
| Protection level | IP44 | Protection level | IP44 | |
| Insulation class | F | Insulation class | F | |
| Motor control method | 6 motors adopt 2 frequency conversion and 1 power frequency control, 2 are frequency conversion motors | Motor control method | 8 motors adopt power frequency control | |
2. Scope of supply of centrifugal pump
Centrifugal pump body and import and export matching flanges and bolt fasteners (centrifugal pumps prefer national energy-saving certified products);
Motor (two-level energy efficiency motor, the energy efficiency standard implements the "Limited Values and Energy Efficiency Grades of Medium and Small Three-phase Asynchronous Motors" GB 18613-2012);
Elastic pin coupling and coupling pin;
Coupling guard;
Welded steel base (if any);
Anchor bolts and nuts (blue-treated carbon steel);
Water sealing water pipe (brass);
Automatic exhaust device (including stainless steel ball valve and brass pipe);
Stainless steel nameplate 1 piece/set (indicating equipment number, model, specification, flow, head, efficiency, shaft power, motor power, manufacturer, manufacturing date, etc.)
Add: Jiuhua Industiral Park,Xiangtan City,Hunan Province,China
Call us:+86-0731-55599916
+86-18673110460
Email:export@mwpump.com
Hunan M&W Pump Co., Ltd 湘ICP备14003804号-2 www.300.cn Manager