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US5452687A - Microprocessor-based boiler sequencer

  • Offshore price : $20000-$100000 Get a quote on the right form
  • Minimum order quantity : 1 set :US5452687A - Microprocessor-based boiler sequencer
  • Supply Capacity : 10 units/month :US5452687A - Microprocessor-based boiler sequencer
  • Manufacturer/Brand : Fangkuai boiler
  • Port : Anyang
  • payment terms : Letter of Credit, Wire Transfer, VISA

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Popular products


θrion Gas Fired Steam Boiler


Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.


Gas(oil) Fired Integrated Hot Water Boiler


Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.


H6 Gas Fired Hot Water Boiler


Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

Applicable fuel:Natural gas, etc.


T7 Vacuum Hot Water Boilerr


Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

Applicable fuel:Natural gas, etc.


V6 Gas Fired Hot Water Boiler


Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.


Electric Steam Boiler

Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

Fixed working pressure:≤1.25MPa

Applicable fuel:electric energy


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  • PC702 Two Stage Boiler Reset Control |

    The PC702 Two Stage Boiler Reset Control is a microprocessor-based control designed to regulate the supply water temperature from a two-stage boiler system based on the outdoor temperature or domestic hot water requirements. The PC702 Two Stage Boiler Reset Control offers all the features of the PC700 and in addition includes an adjustable inter-stage relay …Get Price


    Methane is burned with air in a PA Hilton boiler to produce hot water oof 55oC. The fuel is fed at a rate of 7 kg/hr at 25 C, the air enters the boiler at a rate of 130 kg/hr at 42.5oC, and the water enters the boiler at a flow rate of 1000 kg/hr at 10oC. The composition of the dry flue gas leaving the boiler at 700oC are found to be 0.9% O 2Get Price

  • Patents Assigned to Century Controls, Inc. - Justia

    Abstract: A boiler sequencer system having a microprocessor based controller which allows the firing rate for multiple boilers to be increased or decreased with a proportional output integrated with the process variable rate of recovery that is desired, preventing unnecessary rapid advancements to high fire even when a boiler is started with a high off-set of the process …Get Price


    • Displays boiler firing rate control parameters and settings. • Provides remote monitoring and diagnostic capabilities (optional). • Touch screen controls simplify screen navigation and boiler configuration • Reliable and accurate controls using microprocessor-based programming . Simplified ServicingGet Price

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  • How to increase Boiler efficiency? | Instrumentation and

    Mar 03, 2018 · Boiler sequencer control systems are microprocessor based systems which measure the heating system flow and return temperatures and then isolate or control multiple boilers to ensure that the most efficient boiler (s) are selected to match the prevailing load conditions. The control system stores and references the control parameters of each Get Price

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    the use of digital microprocessor based systems with the aim of optimising energy use. They include new burners with controls and retrofit burner control systems. Sequencers Boiler sequencer controls which optimise fuel usage by managing the firing sequence of different boilers to ensure that the most efficient boiler(s) are selected to match theGet Price

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    The water and steam in fire-tube boilers are contained within a large-diameter drum or shell, and such units often are referred to as shell-type boilers. Heat from the products of combustion is transferred to the boiler water by tubes or flues of relatively small diameter (about 3–4 in. or 7.5–10 cm) through which the hot gases flow.Get Price

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  • MODEL C-05810 MicrMicrMicro IV™ Lead-La ggg Sequencer

    The Microprocessor-based controller automatically responds to changing plant conditions. Advanced-technology sensors monitor and display steam pressure or water temperature continuously, independent of the programming keypad and alphanumeric display. Operator controls include plainly labeled boiler status lights (to identify which boilers are Get Price

  • BPRO-10 Boiler Sequencer Pro - SyxthSense

    BPRO-10 BPRO-10 Boiler Sequencer Pro, up to 10 Boilers or up to 5 Lo/Hi boilers Technical Data Power Supply 24 V ac/dc ( +/- 15 % ) at 180mA Inputs 0-10 Vdc @ 1mA ( max )Get Price

  • Patents in Class 122/448.300

    Microprocessor-based boiler controller A microprocessor-based sequencer for a multiple boiler heating system which allows the plural boilers to operate in a base load mode whereby one or more boilers can be made to operate at their 20 : 5060601Get Price

  • SERIES C-05830-B0 CompaCt mICRo IV LEad Lag SEquEnCER

    day for the seven-day timer to automatically rotate the lead boiler or permit lead boiler rotation to occur based on accumulation of lead boiler run time. The operator can also bypass the lead boiler change and manually se-lect the lead boiler and day or night pressure settings. The . Micro IV. tm. is a lead lag sequence controller.Get Price

  • US20080179415A1 - Hydronic heating system - Google …

    US5452687A (en) * Liming: Liming: Century Controls, Inc. Microprocessor-based boiler sequencer US5747342A (en) * Liming: Liming: Calgon Corporation: Methods and apparatus for monitoring and controlling PH phosphate and sodium to phosphate ratio in boiler systems operating with captive alkalinity US6062485A (en Get Price

  • Boiler Control – Hays Cleveland

    For multiple boiler plants (up to 12 boilers), Micro IV™ controls firing rate to maintain pressure or temperature set point to meet load changes more efficiently by far than individual boiler controls. The microprocessor-based controller responds automatically to changing plant conditions.Get Price

  • Fire tube boiler | Article about Fire tube boiler by The

    Fire-tube Boiler. a cylindrical steam boiler with fire tubes extending inside the water area of the boiler from one end plate to the other. A fire-tube boiler may have one or two fire tubes, sometimes more. Fire-tube boilers appeared in the early 19th century as a result of efforts to increase the steam-producing capacity of simple cylindrical Get Price

  • DE69509165D1 - Mikroprozessorbetriebene …

    Microprocessor-based boiler sequencer Publications (2) Publication Number Publication Date; Microprocessor-based boiler controller 1994. Liming US US08/247,237 patent/US5452687A/en not_active Expired - Lifetime; 1995.Get Price

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    All parts are in good working order. More than 1 available. BOILER CONTROL& SETPOINT TWO STAGE- TEKMAR 261 The Boiler Control 261 is a microprocessor-based two stage boiler control designed to regulate the supply water temperature from a single two stage boiler or two single stage boilers based on either outdoor air temperature or a setpoint Get Price

  • Concord gas atmospheric boilers

    microprocessor based control system which operates all electrical functions of the boiler including ignition, flame detection, thermostatic control and high/low operation. In addition the microprocessor has on board servicing and commissioning instructions and a fault diagnosis program. The illuminated LCD display gives a continual readout ofGet Price

  • Boiler control system and method - POUCHAK MICHAEL A.

    For an example, a user at a text-based terminal could Select the Mechanical room menu 2 and receive a List of selections including Sequencer, Boiler #1, and Boiler #2. After selecting item 1-Sequencer, the point information for the sequencer, i.e., point information items 1-5, which relate only to the Sequencer would be displayed.Get Price

  • M2G | Greffen Systems

    The M2G is designed to eliminate this short cycling. When a loading demand is made, the M2G's microprocessor automatically checks the rate of decay of the water temperature based on how quickly the water temperature drops and determines whether there is a real demand for heat for the building or if the boiler is simply firing to heat the distribution loop.Get Price

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    BPRO-10 BPRO-10 Boiler Sequencer Pro 10, Up to 10 Boilers. Boiler Sequencer Pro 10 is the most advanced sequencer module on the market. Module can sequence and rotate up to 10 boilers. Up to 5 hi/lo boiler operation is also supported. Input signal 0-10Vdc (1mA max). Output relays 230Vac 10A res SPDT.Get Price


    The Y-Series Electronic Boiler Control (controller) is a microprocessor-based energy management system designed to control either single or multiple stage-fired boilers. Ideally suited for use in hydronic heating and domestic hot water supply applications, the Y-Series has been engineered with the flexibility and raw power to tame the most Get Price

  • fire tube boiler parts and functions pdf – Industrial

    Jul 29, 2016 · Cooling Tower Material and Main Components · Power Plant Fire Fire tube boiler is one of the most basic types of boiler and the design is also very old. Typical basic temp & pressure controls Figures 9, 10. 19. 3.5 . valves, and other components on your boiler assembled specific to each end user.Get Price


    microprocessor based lead-lag sequencing controller. This controller is The sequencer shall be supplied in a wall/surface mounting steel cabinet with the of the controller C1) for each boiler and based upon boiler flue gas temperature. For this, provide one flue gas temperature transmitter for each Get Price

  • :: United States Patent and Trademark Office :: Patent

    Microprocessor-based Boiler Sequencer Patent Application United States Patent and Trademark Office, Patent Application No. 08247237 Examiner William E Wayner, presidingGet Price

  • C-05830-B0 Compact Micro IV™ Lead-Lag Sequencer – Hays

    C-05830-B0 Compact Micro IV™ Lead-Lag Sequencer. For multiple boiler plants (up to 6 boilers), Micro IV™ controls firing rate to maintain pressure or temperature set point to meet load changes more efficiently by far than individual boiler controls. The microprocessor-based controller responds automatically to changing plant conditions.Get Price

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