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ul. Ovtsinskaya, 66Д
Sverdlova Settlement, 188682
Sverdlova Settlement, 188682
Compressor
463B5/5+272B5/5+272BR6/1
463B5/5+272B5/5+272BR6/1
Compressor 463B5/5+272B5/5+272BR6/1 is designed to compress a nitrogen and hydrogen mixture in the process cycle of ammonia production according to TEC technology.
A triple-effect, four-section compressor with a circulation stage Sections are positioned according to 'back-to-back' aerodynamic layout. LPC includes two sections: each of the sections 1 and 2 has 5 stages. MPC includes section 3 with 10 stages, 5 stages each, according to 'back-to-back' layout. HPC includes section 4 (6 stages) and CS. Compressed gas is cooled after each section in an intermediary air-type gas cooler. All stages are designed with vaneless diffusers. A steam turbine is a drive. Compressor rotors are rotated directly by the steam turbine.
A triple-effect, four-section compressor with a circulation stage Sections are positioned according to 'back-to-back' aerodynamic layout. LPC includes two sections: each of the sections 1 and 2 has 5 stages. MPC includes section 3 with 10 stages, 5 stages each, according to 'back-to-back' layout. HPC includes section 4 (6 stages) and CS. Compressed gas is cooled after each section in an intermediary air-type gas cooler. All stages are designed with vaneless diffusers. A steam turbine is a drive. Compressor rotors are rotated directly by the steam turbine.
In 2018 in JSC United Chemical Company Uralkhim took a decision to increase ammonia output of the set Am-76 of shop No.51 of the KChKhK branch.
An objective was set to LLC RPC ENTECHMASH to upgrade the synthesis gas compressor with ensuring increased output and maximum reduction in specific power consumption. One of the specified requirements was to ensure stable operation with the specified minimum gas consumption.
An objective was set to LLC RPC ENTECHMASH to upgrade the synthesis gas compressor with ensuring increased output and maximum reduction in specific power consumption. One of the specified requirements was to ensure stable operation with the specified minimum gas consumption.
The pressure ratio through the compressor sections was re-distributed to enhance reliability of the low pressure housing rotor subjected to exciting aerodynamic forces and failure of impellers.
All impellers of synthesis gas compression stages are designed to be medium-pressure to ensure parameters in a wide range of stable operation. The circulation stage is designed to be low-pressure.
Stages with vaned diffusers expanded in relation to an impeller in all synthesis gas compression sections are used. The circulation stage is designed with a vaneless diffuser to expand a stability region.
To reduce leakage, labyrinth seals are designed to be more developed: the number of nibs and the volume of the chambers between them are increased. At the entrance to the seals there are special holes to spin gas flow and reduce exciting oscillating forces acting on the rotor.
All impellers of synthesis gas compression stages are designed to be medium-pressure to ensure parameters in a wide range of stable operation. The circulation stage is designed to be low-pressure.
Stages with vaned diffusers expanded in relation to an impeller in all synthesis gas compression sections are used. The circulation stage is designed with a vaneless diffuser to expand a stability region.
To reduce leakage, labyrinth seals are designed to be more developed: the number of nibs and the volume of the chambers between them are increased. At the entrance to the seals there are special holes to spin gas flow and reduce exciting oscillating forces acting on the rotor.
In August 2019 acceptance tests were performed, the compressor unit commissioned. The output is increased by 20%, power consumption reduced by 4 MW under comparable operating conditions, the operating conditions at the specified minimum gas consumption are ensured.
