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Suffing box heat exchanger

A stuffing box heat exchanger is a shell and tube heat exchanger in which one end of the tube bundle is fixed to the tube sheet and the other end is sealed with an external stuffing box between the shell and the tube bundle. Since the tube bundle can be freely expanded and contracted, no temperature difference stress will be generated between the tube bundle and the shell.

Commodity name： Suffing box heat exchanger

Classification:

Smart Manufacturing

Key words:

suffing heat exchanger

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Product Details

产品描述

1. Overview

Due to the use of a stuffing box sealing structure, the tube bundle can be freely expanded and contracted in the axial direction of the shell, and no thermal stress caused by the thermal deformation difference between the shell wall and the tube wall will be generated. Its structure is simpler than that of a floating head heat exchanger, and it is easy to process and manufacture, save materials, and has a relatively low cost. In addition, the tube bundle can be pulled out of the shell, and the inside and between the tubes can be cleaned, which is convenient for maintenance.

Because the packing is prone to leakage, the stuffing box heat exchanger is generally suitable for working conditions below 4MPa, and is not suitable for volatile, flammable, explosive, toxic and precious media. The operating temperature is also limited by the physical properties of the packing. Stuffing box heat exchangers are rarely used.

2. Parameters

No.	Parameters	Unit	Description
1	Heat transfer area	m²	Total heat transfer area of packed heat exchanger
2	Fluid flow rate	m/s	Flow rate of fluid in packed bed
3	Packing density	kg/m³	Density of packing, usually affects heat exchange efficiency
4	Inlet and outlet temperature difference	°C	Temperature difference of inlet and outlet fluid of heat exchanger
5	Heat load	KW	Heating or cooling capacity of heat exchanger (in kilowatts)
6	Operating pressure	MPa	Working pressure of heat exchanger

3. Advantages and disadvantages

The advantages are simple structure, easy manufacturing, easy maintenance and cleaning.

The disadvantage is that the shell fluid may leak, so the use pressure and temperature are limited. The shell should not be used for volatile, flammable, explosive and toxic media.

4. Application areas

4.1. Petroleum and chemical industry: gas absorption, chemical reaction temperature control, solvent recovery.

4.2. Waste gas treatment: waste gas cooling, acid gas absorption.

4.3. Environmental protection: flue gas desulfurization, wastewater treatment.

4.4. Food and pharmaceutical industry: solvent recovery, liquid heating and cooling.

4.5. Energy recovery: waste heat recovery.

4.6. Bioengineering: fermentation process temperature control.

4.7. Mineral processing and metallurgy: slurry heating and cooling.

5.Schematic diagram

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