The heat exchange area of
brazed plate heat exchanger consists of a thin metal plate which is
stamped into corrugated shape. Fluid flows through channels between
plates through carefully arranged corner interfaces. Refrigerant
and heat medium always flow in opposite directions in adjacent
channels for heat transfer. Because the edge of the brazed plate
heat exchanger is welded, the medium will not flow out of the
equipment. Compared to traditional brazed plate heat
exchangers, brazed plate heat exchangers have high heat transfer
efficiency and are very compact and can be easily installed in
limited space locations, thereby reducing the number of parts
throughout the system, saving operating costs and bringing greater
benefits to customers. Application1. Refrigeration: used as
a condenser and evaporator.2. HVAC: intermediate heat
exchangers used in conjunction with boilers, intermediate heat
exchangers in high-rise buildings, etc.3. Chemical industry: soda
ash industry, synthetic ammonia, alcohol fermentation, resin
synthesis cooling, etc.4. Metallurgical industry: aluminate mother
liquor heating or cooling, steel-making process cooling, etc.5.
Machinery industry: various quenching fluid cooling, reducer
lubricating oil cooling, etc.6. Power industry: high-voltage
transformer oil cooling, generator bearing oil cooling, etc.7.
Paper industry: heat recovery of the bleaching process, heating of
washing liquid, etc.8. Textile industry: cooling of the aqueous
solution of viscose silk alkali, cooling of boiling nitrocellulose,
etc.9. Food industry: fruit juice sterilization and cooling, animal
and vegetable oil heating and cooling, etc.10. Grease process:
soap-based drying at atmospheric pressure, heating or cooling
various process liquids.11. Centralized heating: heating the waste
heat area of a thermal power plant, heating bath water.12.
Others: petroleum, medicine, ships, seawater desalination,
geothermal utilization. Standard Materials:Flow plates and
connections in stainless steel . End plates in stainless
steel. Brazing material is pure copper. Working pressure
/Temperature:The units are constructed for max.Working
pressure/temperature 45Bar/-195°C-180°CBrazed plate heat exchangers
- specific steps for cleaning scale1) Washing: before pickling, the
heat exchanger is first washed open, so that there is no mud, scale
and other impurities in the heat exchanger, which can not only
improve the effect of pickling, but also reduce the acid
consumption of pickling.2) Pour the cleaning liquid into the
cleaning equipment, and then inject it into the heat exchanger.3)
pickling: the heat exchanger filled with acid solution is
statically soaked for 2h, and then the continuous dynamic cycle is
3 ~ 4h, during which the positive and negative alternating cleaning
is carried out every 0.5h. After pickling, if the pH value of the
acid is greater than 2, the acid can be reused, otherwise, the acid
washing solution should be diluted and neutralized and removed.4)
alkali washing: after the end of pickling, NaOH,Na3PO4, softened
water is prepared in a certain proportion, and the heat exchanger
is alkali washed by dynamic cycle to achieve acid-base
neutralization, so that the heat exchanger plate is no longer
corroded.5) Water washing: after alkali washing, wash the heat
exchanger repeatedly with clean softened water for 0.5h, and rinse
the residue in the heat exchanger thoroughly.6) Record: In the
cleaning process, the time of each step should be strictly recorded
to check the cleaning effect.Features:1>.Good sealing
performance: Braze welding with pure copper2>.Resistance to high
pressure: 4.5Mpa at the most3>.Wide range of applicable
temperature: -195°C-180°C4>. High heat transfer efficiency:
7000W/.K at the most5>.Usability to heat transfer with
a small temperature difference: The minimum temperature
difference is 1.0°C.6>. Compact structure, small volume,
lightweight and less quantity of carried liquidRecommended
Applications:1>.Refrigeration area2>.Air conditioning3>.
The HVAC area4>.Solar heating5>.Oil units6>.Heat
recovery 7>. Engine cooling and other industrial
tasks.Certificate: ISO9001:2008, CE, SGS, TUV, FAQ :1. Q: How
long can we deliver goods?A: It would be 15-25 days after payment
and drawing sketch confirmed2. Q: Can your company supply an
after-sales warranty?A: Yes, we can supply 1-year after-sales
warranty against B/L date.3. Q: What payment terms can you
accept?A: We can accept L/C, T/T, etc.4. Q: Can you accept
customized order?A: Yes, we accept, we have a very
professional technical group who can design the special products
according to your basic parameter/ datasheet/ drawings or sample.5.
Q: Do you have your own factory or just you are a trading
company?A: We are the direct factory group, one is in Guangzhou
City, Guangdong Province, another is in Huanggang City, Hubei
Province.6. Q: Is OEM order acceptable to your company?A: Yes, OEM
is Welcomed. About Warranty:We promise 1 y
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