The term steam turbine for auxiliary machine driving is used to drive a steam turbine for auxiliary machines. Common examples include a steam turbine that drives a feedwater pump, a steam turbine that drives an induced draft fan, and so on. 2.0.2 Low temperature economizer, also known as "low pressure economizer", "flue gas cooler", "water medium tube flue gas heat exchanger MGGH", and other names. Mainly used at the outlet of large boiler air preheaters to further reduce flue gas temperature and improve unit efficiency. The electrodeionization water treatment equipment of the electric desalination EDI system combines one or more electric desalination membrane components in parallel through valves and connecting pipelines, and together with detection instruments, control systems, DC power supplies, and auxiliary systems, forms a pure water preparation device with deionization function. Hydrogen conductivity The conductivity of a water sample measured after being treated with a hydrogen type strong acid cation exchange resin. 2.0.5 Auxiliary Equipment Fault Load Reduction (RB) Runback: When some main auxiliary equipment of the unit trips due to faults, causing the maximum theoretical output of the unit to be lower than the current actual load, the unit coordination control system quickly reduces the unit load to the corresponding output that all auxiliary equipment can actually achieve, and can control the unit parameters to keep the unit running within the allowable range. The RB test is to verify the operational capability of the unit under faults and the control performance of the coordinated control system through actual auxiliary machine trips. Selective catalytic reduction (SCR) is a process technology that utilizes a reducing agent to selectively undergo chemical reduction reactions with nitrogen oxides (mainly NO and NO) in the flue gas under the action of a catalyst, generating nitrogen and water, thereby removing some nitrogen oxides from the flue gas. Selective non catalytic reduction (SNCR) is a denitrification process in which an amino reducing agent reacts with nitrogen oxides (NOx) in flue gas to generate nitrogen and water within a certain temperature range
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