Selection and application of Haoyu steam recovery machine

The steam recovery machine is a system device that recovers a large amount of industrial water and steam generated after the use of coal and oil, releases part of the energy and forms condensate
The steam recovery machine condenses the steam into water through water cooling or air cooling, and then pumps it back to the boiler for heating and recycling
It can save the consumption of raw materials, that is, coal, oil, electricity and other energy, increase product quality, labor productivity, reduce human consumption, increase energy utilization efficiency and so on
I
according to the operation mode of condensate recovery pipe network, the condensate recovery mode can be divided into: A
gravity gravity return water; B
residual pressure return water; C
pressurized return water
II
According to whether the condensate recovery pipe network or water tank is in contact with the atmosphere, the condensate recovery is divided into open and closed recovery methods
2
1 open recovery system a) open water tank plus electric water pump return system; B) the return water system is pressurized by the automatic steam pump
2
2 closed recovery system a) closed water tank plus electric pump return system with jet booster anti cavitation device; B) return water system for reciprocating pressure delivery of condensate by piston compressor; C) return water system for pneumatic conveying of condensate through steam or compressed air
III
service conditions 1
When the condensate pressure of steam equipment is less than 0
1MPa or the condensate temperature is lower than 80 ℃, it should be recovered to the boiler feed water tank by open recovery system
2
When the condensate pressure of steam equipment is 0
1MPa ~ 0
6MPa, the closed condensate recovery system equipped with special water pump anti cavitation device shall be adopted
For example, condensate recovery devices such as jet booster pump, piston compressor and pneumatic conveying shall be adopted, and the water pump impeller shall be resistant to temperature above 150 ℃
3
When the condensate pressure of steam consuming equipment is greater than 0
6MPa, cascade utilization condensate recovery system, high-pressure and medium pressure return water system, flash device and flash steam shall be used for medium pressure or low-pressure steam consuming equipment
The flash capacity is less than or equal to the steam consumption of low-pressure users
It can be used directly when it has the same period utilization coefficient
When there is no medium and low pressure heat user, medium pressure or low pressure heat exchange device can be set to heat other process media under the reasonable condition of skill economy theory
4
Due to the large range of steam supply users, complex terrain and different steam pressure, it should be considered to set up condensate recovery heat station with large users as the center, and adopt pump pressure or steam pressure transmission
The return water of closed recovery system should be directly recovered to the drum inlet or boiler economizer
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