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Refinery SMO Titanium Welded Plate Heat Exchanger Sheet Bundle Mounted

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Shanghai Marine Diesel Engine Research Institute

Refinery SMO Titanium Welded Plate Heat Exchanger Sheet Bundle Mounted

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Product Details

Refinery SMO Titanium Welded Plate Heat Exchanger Sheet Bundle Mounted

 

Block-type & Fully-welded Plate Heat Exchanger is a new product in the compact heat exchanger family.

The plate bundle fully welded with plate sheets is mounted into a frame of 4 bolted side panels with a top plate and a base plate sustaining pressure. The side panels are provided with nozzles with fluid inlet and outlet.

Due to the bolt-connected structure, the plates can be easily demounted for easy cleaning and maintenance of the plate bundle.

The plate sheets are welded to each other without any gasket used, so it can be applied for high temperature & pressure applications.

The corrugated profile of plate sheet causes heavy turbulence of the fluid, so the heat transfer coefficient is 2-4 times of conventional tube & shell heat exchanger. Under the same working condition, the required area for heat transfer is only 25-30% of conventional tube & shell heat exchanger.

 

Work Principle / Flow

Thin metal sheets are pressed to produce corrugated plates and then a stack of such corrugated plates are welded one another and thus form the block type & fully welded plate heat exchanger. Neighboring sheets establish narrow and tortuous channels in between and allow the working fluid to flow through. The cold fluid and hot fluid flow through its own channels in order. The cold and hot channels are separated by the sheet naturally, where heat exchange takes place.

Attributable to the structure & working principle, this type of PHE is featured by compact structure, small footprint, high heat transfer efficiency, flexible operation, wide application, low heat loss, easy installation & cleaning, etc.

 

Specification

ApplicationHeat exchange
NameBlock-type & Fully-welded Plate Heat Exchanger
ModelQYB30, QYB40, QYB50, QYB75
Material316L, SMO, Ti, 2205
Code & standardNB/T47007, GB150
Design pressureF.V. – 4Mpa
Design temperature-200 - 400℃
Main measuring pointTemperature and pressure at fluid inlet / outlet
SealFlange
Service life for key equipment15 years
Warranty12 months
Scope of works/serviceDesign, manufacture, supply, installation supervision, etc.

 

 

Advantage

  1. High heat transfer coefficient – Under the same condition of pressure drop limit, the heat transfer coefficient is 2-4 times of tube & shell heat exchanger;
  2. Compact structure – Small size & quick response to control;
  3. Light weight – Reduced precious metal cost;
  4. Laser welded plate sheet bundle – High pressure & heat resistance;
  5. Turbulence can be caused even in case of low velocity. Low fouling due to the big shearing force on the sheet wall surface.
  6. Multiple flow may flow in opposite directions – The heat exchange efficiency can be greatly increased and close approach temperature is achieved;
  7. Even distribution of fluid – The heat transfer efficiency is increased and the flow resistance is decreased;
  8. Demountable side panels & visible welding seams at the core – Easy cleaning & maintenance;
  9. Rich experience of manufacturing – Safe & reliable products;
  10. Plenty of stocks on components – Reduced lead time;
  11. High management efficiency – Low cost on products.

 

Reference

No.UserProjectEquipmentSpecificationQty.
1Kingboard Chemical Holdings Ltd.100,000t/y catalytic crackerHeavy oil fractionating tower overhead cooler

QYB75

Design pressure: 0.7MPa

Design temp.: 200℃

Plate material: 316L

1
Heavy oil fractionating tower overhead oil gas – hot water heat exchanger

QYB75

Design pressure: 0.7MPa

Design temp.: 200℃

Plate material: 316L

1
Light oil fractionating tower overhead oil gas – hot water heat exchanger

QYB75

Design pressure: 0.7MPa

Design temp.: 200℃

Plate material: 316L

1
Light oil fractionating tower overhead cooler

QYB75

Design pressure: 0.7MPa

Design temp.: 200℃

Plate material: 316L

1
2Nanjing Fubangte Oriental Chemicals Co. Ltd.Plate heat exchanger upgrading projectPredistillation heat exchanger

QYB50

Design pressure: 0.9MPa

Design temp.: 220℃

Plate material: 316L

1
3Xinao Energy Holdings Ltd.Nanjing supercritical hazardous waste treatment projectCondenser

QYB50-H-250

Design pressure: 0.4MPa

Design temp.: 160℃

Plate material: Ti

1
Preheater

QYB30-V-60

Design pressure: 0.5MPa

Design temp.: 160℃

Plate material: Ti

1
4Shandong Yuhuang (Group) Chemical Co. Ltd.50,000t/y MMA projectT240 feed preheater

QYB75-V-400

Design pressure: 1.0MPa

Design temp.: 110℃

Plate material: 316L

2
5Wanhua Chemical Co. Ltd.Polycarbonate projectPrimary/ secondary water cooler

QYB30-V-100

Design pressure: 0.8MPa

Design temp.: 125℃

Plate material: 316L

5
Primary MC wastewater heat exchanger

QYB50-V-200

Design pressure: 0.8MPa

Design temp.: 90℃

Plate material: Ti

2
Secondary MC wastewater heat exchanger

QYB50-V-200

Design pressure: 0.8MPa

Design temp.: 120℃

Plate material: Ti

2
6SinoPec Luoyang Company15GX69 revamp projectNaphtha – crude oil heat exchanger

QYB75-V-300

Design pressure:2.35MPa

Design temp.: 150℃

Plate material: Ti

1
SinoPec Zhenghai Refining & Chemicals Co. Ltd.CDU heat exchanger replacementNaphtha – crude oil heat exchanger

QYB75-V-350

Design pressure:2.5MPa

Design temp.: 250℃

Plate material: Ti

2
SinoPec Jiujiang CompanyOil quality upgrading revamp projectCrude oil – topping gas heat exchanger

QYB75-V-352

Design pressure: 1.5/3.3MPa

Design temp.: 200℃

Plate material: Ti

2
Crude oil – naphtha heat exchanger

QYB75-V-252

Design pressure:1.5/3.3MPa

Design temp.: 200

Plate material: Ti

2
Crude- 3rd side of vacuum heat exchanger

QYB75-V-352

Design pressure: 3.0/3.5MPa

Design temp.: 300℃

Plate material: 316L

2
Crude- 3rd side of vacuum heat exchanger

QYB75-V-502

Design pressure: 3.0/3.5MPa

Design temp.: 350℃

Plate material: 254SMO

2
Naphtha – hot water heat exchanger

QYB75-V-152

Design pressure: 1.5/1.5MPa

Design temp.: 200℃

Plate material: Ti

2
7National Iranian Oil CompanyCrude Oil UnitStabilized oil/crude oil

QYB75-V-500

Design pressure: 2.1MPa

Design temp.: 150℃

Plate material: Ti

1
8CNPC Sichuang companyCDU fully-welded heat exchanger revamp projectCrude oil – naphtha heat exchanger

QYB75-H-250

Design pressure: 1.6MPa

Design temp.: 200℃

Plate material: Ti

5
CNPC Huhehot CompanyCDU heat exchanger upgrading projectNaphtha – crude oil heat exchanger

QYB75-V-500

Design pressure: 2.5MPa

Design temp.: 200℃

Plate material: Ti

1
 
 

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