【 Spiral plate heat exchanger】
Spiral plate heat exchanger It is a kind of high efficiency heat exchanger equipment, which is
suitable for steam, steam, liquid, liquid and liquid, and heat
transfer to liquid. It is suitable for chemical, petroleum,
solvent, medicine, food, light industry, textile, metallurgy,
rolling, coking and other industries. According to the structure
form, it can be divided into non detachable (type I) spiral plate
type and detachable type (type II type and type III type) spiral
plate heat exchanger.
The spiral plate heat exchanger has been proved to be an efficient
heat exchanger through many years' practice. It is suitable for
chemical, petroleum, solvent, medicine, food, light industry,
textile, metallurgy, steel rolling, coking and other industries.
The heat exchanger absorbs the modern international advanced
technology, and is specially designed and made of liquid - liquid,
steam - water heat exchanger. The process of product structure by
the Swedish "arfara generation" standard, spiral plate surface
using hem argon arc welding, "from the top of column" special
process for the capacitance storage contactor, improve the internal
and external quality of "Baosteel" recognition, can replace the
Detachable spiral heat exchanger in machine of standard JB/TQ724-89
detachable spiral heat exchanger, and the design requirements of
the basic parameters and dimensions, it has simple manufacture, low
cost, has the advantages of small volume and good heat transfer
performance, but also has its shortcomings, such as no mechanical
cleaning bad, it is not easy to repair, selection should be based
on the actual situation of the project selection of specific
equipment to make the most effective.
Structure and properties
1, the device is suitable for liquid liquid gas air liquid
convection heat transfer, which can be used for steam condensation
and liquid evaporation heat transfer. Chemical industry, petroleum,
medicine, machinery, power, light industry and textile industries
can be selected.
2, the device is made up of two steel rolls, forming two uniform
spiral channels. Two heat transfer cut-off can carry out full
countercurrent flow, which is suitable for heat transfer with small
temperature difference, easy to recover low-temperature heat source
and accurately control outlet temperature.
3, the nozzle on the shell is tangential structure, the local
resistance is small, the curvature of the spiral channel is
uniform, the flow of fluid in the device does not have large
reversing, and the total resistance is small, so it can improve the
design speed and make it have high heat transfer capability.
4. The end face of the spiral channel is welded and sealed. The
sealing performance is good and the structure is reliable.
5, it is not easy to overhaul, especially when the internal panels
are in trouble. It is extremely difficult to repair. Some factories
are going to lose all the welding seam at the two ends of the
equipment. Then the plate will be flattened and repaired before
being rolled up. The consumption time is too large, because it is
very important to choose the spiral plate heat exchanger for
6, can not be mechanical cleaning, practice has proved that the
spiral plate heat exchanger and tubular heat exchanger is not
easily blocked, especially in sediment, small shells and other
suspended particles impurities deposition within the spiral
channel, analyzes the reason; because it is the deposition of
single channel impurity in the passage the formation of a turnover
flow also will increase to put it away, because there is no dead
two accident in a spiral channel, easy to be out of impurities.
7, because of the distance between the s