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Our main products, maintenance and tube replacement: Coking equipment, tube furnace, primary cooler tube replacement, spiral plate heat exchanger, crude benzene condensing cooler, CDQ water supply preheating system, power plant equipment, condenser tube replacement, HV/LV heater, tube cooler, heater exchanger and so on.

Spiral plate heat exchanger
Spiral plate heat exchanger is one kind of heat transmission equipment with higher heat transmission efficiency through spiral channel for heat transmission.It is a heat exchanger made of two parallel metal plate rolls into two spiral channels, and heat exchange between hot and cold fluids through the spiral plate wall.
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Product Details ▶

Definition


Spiral plate heat exchanger is one kind of heat transmission equipment with higher heat transmission efficiency through spiral channel for heat transmission.It is a heat exchanger made of two parallel metal plate rolls into two spiral channels, and heat exchange between hot and cold fluids through the spiral plate wall. It is mainly composed of heat transfer plate, fixed distance column, connecting tube, head cover and gasket and other components.Spiral plate heat exchangers are available in detachable and non-detachable types.


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Working principle


Each plate of the spiral plate heat exchanger is soldered with a fixed-distance column or fixed-distance bubble, which causes a certain distance between the two plates to form a heat exchange runner
The distance column or fixed distance bubble supports the steel plate to resist the fluid pressure, and also increases the turbulence when the fluid flows in the heat exchange runner to improve the heat transfer efficiency effect. When two fluids with different temperatures flow into the channel of the heat exchanger from both sides of the tube wall, the two fluids are in countercurrent contact across the tube wall. Heat is generated by thermal fluids
To the pipe wall, and then from the pipe wall to the cold fluid, in order to achieve the characteristics of the structure, so that the fluid can reach the full flow state at a lower speed, from
And it enhances heat transfer. The equipment is made of sheet metal, so the cost can be reduced when large-scale production is organized.

when two different fluid flow to the heat exchanger channels from both sides of tube wall; Two kinds of fluid contact upstream separated by tube wall. Hot fluid will transfer heat to tube wall, then to cold fluid to realize the structural characteristics. The fluid will reach turbulent flow condition at lower speed so it enhances the heat transmission. It is made of plate so it can reduce cost for large production.


spiral heat exchanger process flow diagram.gif


Product feature


(1) Good heat transfer performance;
(2) Strong self-cleaning ability, not easy to pollute;
(3) Small heat loss;
(4) The heat transfer temperature difference is small, and the temperature can be accurately controlled;
(5) small temperature difference stress;
(6) Compact structure;

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Product Parameter


1、Material choice: carbon steel or stainless steel
2、Type: 

① Vertical spiral plate heat exchanger
②Horizontal spiral plate heat exchanger
③Detachable spiral plate heat exchanger
④Non-detachable spiral plate heat exchanger
3、Technical parameter:


SpecificationTechnical Data
Exchange areaTypeApplied process
Channel Ⅰ  Channel ⅡMediumType
F=45

Design Pressure1.00.44

F=60

Working pressure0.80.4

F=90

Design Temperature100`18070`150Poor oil、Rich oilOil-oil heat exchanger
F=120


70`10040`55Poor oil、WaterPoor oil cooler
F=150


50`8040`55Poor/Rich ammoniaAmmonia heat exchanger
F=200

Working Temperature90`17060`120Poor oil、Rich oilOil-oil heat exchanger
F=250


90`6030`45Poor oil、WaterPoor oil cooler
F=280


45`7030`45Poor/Rich ammoniaAmmonia heat exchanger


Product Cases ▶

  • Waste heat boiler
  • Serpentine tube
  • High pressure heaters
  • Superheater
  • Economizer and Sub-Economizer
  • Tube furnace
  • Wide channel plate heat exchanger
  • Spiral plate heat exchanger

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