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Principle and scheme of automatic spray gun blockage detection
Principle and scheme optimization of automatic gun blockage detection
 
 
 
At present, the blockage of automatic spray gun in China mainly depends on manual observation and manual dredging. How to detect the jam of manual spray gun and output the signal is the key problem to realize the automatic monitoring. It is also a problem that has not been solved in most domestic steel enterprises. We have studied and considered the following two schemes to detect the blockage of automatic spray gun.
 
 
 
Temperature detection scheme: in order to solve the problem of detecting the blockage of rock spray gun, the temperature of each injection branch pipe is measured by infrared thermometer for many times. Under the condition of normal injection, the wall temperature of the blocked branch pipe is lower than that of the normal branch pipe. At the outlet of the distributor, the temperature of the branch pipe wall for normal injection is usually between 50 ~ 90 ℃, while that for the branch pipe wall with longer plugging time is usually below 45 ℃. If the wall temperature resistance or thermocouple is installed on the wall of each coal injection branch pipe behind the distributor, and then the wall temperature of each branch pipe is transmitted to the main control room of the blast furnace, according to the change of the wall temperature of each branch pipe, the blast furnace operator can judge the specific blocked spray gun. In this way, a large number of cables need to be arranged, and the response is relatively slow, affected by the temperature and not simple and intuitive.
 
 
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   Thermal break assembly line
   Thermal break profile assembling
   Thermal break profile assembly equipment
   Plastic bar inserting devices
   Polyurethane injection machine
   Strip feeding machine
   Knurling machine
   Strip insertion assembly machine
   Thermal break aluminum profiles crimping machine
   Rolling machine 
   Rolling machinery 
   Tape sticking machine
   Wood grain transfer machine
   Wood grain finish on aluminum profile
   Vacuum wood grain heat transfer machine
   Automatic thermal break aluminum production machine
   Heat insulation aluminum  production machine 
   Thermal break aluminum profile machine
   Strip feeding machine for thermal barriet
   Thermal break aluminum windows
   Assemble line for thermal break aluminum profiles
   Thermal break aluninum profile making machine 
   Thermal break assembly for aluninum profiles 
   Thermal lnsulation Strip lnsertion Machine
   Thermal break machine
   Manufacturing of machines for thermal break profiles assembling
   Strip Feeding Machine for Thermal Barrier Aluminum Profile
 
   Thermal break assembly machine
   Thermal break assembly for aluminum profiles
   Thermal break machine
   Thermal break machinery
   Thermal break assembly line
   Thermal break profile assembling
   Thermal break profile assembly equipment
   Plastic bar inserting devices
   Polyurethane injection machine
   Strip feeding machine
   Knurling machine
   Strip insertion assembly machine
   Thermal break aluminum profiles crimping machine
   Rolling machine 
   Rolling machinery 
   Tape sticking machine
   Wood grain transfer machine
   Wood grain finish on aluminum profile
   Vacuum wood grain heat transfer machine
   Automatic thermal break aluminum production machine
   Heat insulation aluminum  production machine 
   Thermal break aluminum profile machine
   Strip feeding machine for thermal barriet
   Thermal break aluminum windows
   Assemble line for thermal break aluminum profiles
   Thermal break aluninum profile making machine 
   Thermal break assembly for aluninum profiles 
   Thermal lnsulation Strip lnsertion Machine
   Thermal break machine
   Manufacturing of machines for thermal break profiles assembling
   Strip Feeding Machine for Thermal Barrier Aluminum Profile
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