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Hot net heater (tube-shell type)

The heating network heater produced by our company adopts a special structure and processing technology. At the same time, both sides of the soda are strengthened, and the heat transfer coefficient is high. Steam dispersion components and condensed water diversion devices are set up, and the water flow rate is increased in the pipe to form turbulence. It has the characteristics of small water-side resistance, high pressure resistance, high temperature, not easy leakage, and a wide load range thermal performance changes little.

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The high-strength tube bundle rigid support of the hot net heater makes the tube bundle frame an integral frame; increase the number of support plates and reduce the non-support span of the tube bundle.

Advantages: When the large flow of steam flushes the tube bundle, it can effectively prevent vibration and not easy to scale.

The hot net heater absorbs the pipe of the condenser, the diameter of the shell is increased, and the tube bundle is divided into several areas to leave a steam channel, and the steam can smoothly enter the tube bundle core.

Advantages: So that the heat exchanger of the whole tube bundle can fully participate in heat exchange.

While the tube bundle of the hot net heater is divided into several areas, a condensate water diversion device is installed on the steam channel. The condensate water formed on it will flow to the bottom of the shell through the diductor plate along the shell wall to avoid the condensate water formed by the tube bundle pouring into the heat exchange pipe below.

Advantages: Ensure that the heat exchanger at the bottom of the tube bundle fully participates in heat exchange.

The connection between the heat exchanger tube and the tube plate of the thermal net heater adopts strength welding and hydraulic expansion; the welding adopts argon arc welding, which is welded twice, and the arc starting of the second welding is at least 15° away from the starting arc of the first welding. Hydraulic expansion; For thicker tube plates, it can be inflated and moulded at once.

The anti-rush plate at the steam inlet adopts a special design with a large circumferential wrapping angle and a longitudinal full length. Under the condition of large steam flow, it has blocking and diversion steam to protect the instantaneous impact of the steam on the tube bundle.

Advantages: Protect the heat exchanger and reduce the failure rate of the product.