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Update on the PSB Cooling and Ventilation Systems

Published byAmi Darleen Sharp Modified over 7 years ago

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Presentation on theme: "Update on the PSB Cooling and Ventilation Systems"— Presentation transcript:

1 Update on the PSB Cooling and Ventilation Systems
LIU-PSB Working Group Meeting, Work Packages: Cooling (Demi Water) Ventilation Chilled water plant Gabor Petrika EN-CV

2 Scope: Progress report: New cooling towers;
User Requirements Critical user branch P&ID Hydraulic Modifications 3D Integration Bdg. 361 Cooling towers Cooling centre Preliminary Planning Scope: New cooling towers; New cooling station (pumps, heat exchanges…); New electrical & control system; New instrumentation; Distribution network modifications Pressure rating upgrade; Progress report: UR + WP (EDMS ) Preliminary P&ID P&ID Bdg D integration Bdg. 141 & Bdg. 237 – 3D Implementation Engineering Specification → (started ) → (started ) →

3 Hydraulic modifications Dedicated branch for the critical users
Cooling Scope Progress report User Requirements Critical user branch P&ID Hydraulic Modifications 3D Integration Bdg. 361 Cooling towers Cooling centre Preliminary Planning UR: New equipment's with high pressure drop + 20% load Tunnel / Surface circuit separation (RP) PN PN25 Hydraulic modifications Dedicated branch for the critical users

4 Critical user locations New hydraulic branch
Cooling Scope Progress report User Requirements Critical user branch P&ID Hydraulic Modifications 3D Integration Bdg. 361 Cooling towers Cooling centre Preliminary Planning Critical user locations New hydraulic branch Tunnel circuit 153 m3/h Tunnel circuit Critical users 149 m3/h

5 Roof 237 Bdg 141 Bdg 237 Surface Circuit 85m3/h Tunnel circuit
Cooling Scope Progress report User Requirements Critical user branch P&ID Hydraulic Modifications 3D Integration Bdg. 361 Cooling towers Cooling centre Preliminary Planning Cooling towers 5 MW Bdg 237 Surface Circuit 85m3/h 440 kW Tunnel circuit 153 m3/h 4500 kW Tunnel circuit Critical users 149 m3/h

6 New pipes Surface Circuit Existing pipes Cooling Scope Progress report
User Requirements Critical user branch P&ID Hydraulic Modifications 3D Integration Bdg. 361 Cooling towers Cooling centre Preliminary Planning Existing pipes New pipes Surface Circuit

7 New pipes Tunnel Critical users New pipes Surface Circuit
Cooling Scope Progress report User Requirements Critical user branch P&ID Hydraulic Modifications 3D Integration Bdg. 361 Cooling towers Cooling centre Preliminary Planning Existing pipes New pipes Surface Circuit New pipes Tunnel Critical users

8 New cooling station Bdg. 237 / 141
Scope Progress report User Requirements Critical user branch P&ID Hydraulic Modifications 3D Integration Bdg. 361 Cooling towers Cooling centre Preliminary Planning Existing pipes Tunnel Primary circuit Bat. 141 Secondary circuit 361 Booster Bat. 237 141 New Pipes Surface Piping gallery 237 Chillers Primary New Cooling Towers New cooling towers Bdg. 237 New cooling station Bdg. 237 / 141

9 NO Cooling Cooling Scope Progress report User Requirements
Critical user branch P&ID Hydraulic Modifications 3D Integration Bdg. 361 Cooling towers Cooling centre Preliminary Planning NO Cooling

10 Progress report: Scope: UR + WP (EDMS …) Preliminary P&ID → 08.2017
Ventilation Scope Progress report Heat loads, Air condition Filtration Smoke extraction Discharge Air flow pattern Op. modes AHU refurbishment Redundancy Temporary ventilation Planning Scope: New AHUs; Filtration; New, separated smoke extraction system; New electrical & control system; New instrumentation; Existing air distribution network; Progress report: UR + WP (EDMS …) Preliminary P&ID P&ID 3D integration Engineering Specification → → → →

11 Data provided by the users
Ventilation Scope Progress report Heat loads, Air condition Filtration Smoke extraction Discharge Air flow pattern Op. modes AHU refurbishment Redundancy Temporary ventilation Planning Area User group Heat load Comments Data provided by the users EN-EL Long term measurement EN-CV on-site measurement EN-EL + EN-CV On-site measurement Surface RF 196 kW User data confirmed EPC 150 kW Racks - 600 W/rack Mean value Other 10 kW Estimated Tunnel Water cooled magnets 177 kW (5% of cooling) Air cooled magnets 20 kW Kickers, septums + 50 kW Increase RF cavities 5 kW Transformers 3 kW Vacuum + B. ins. 15 kW

12 Heat loads → Surface: 511 kW; Tunnel: 390 kW;
Ventilation Scope Progress report Heat loads, Air condition Filtration Smoke extraction Discharge Air flow pattern Op. modes AHU refurbishment Redundancy Temporary ventilation Planning User Data: RF → 196 kW EPC → 150 kW Air cooled magnets → 20 kW Water cooed magnets → 175 kW (5%) Kickers, septums → + 50 kW EN-EL and EN-CV measurements: Racks → 600 W/rack Heat loads → Surface: 511 kW; Tunnel: 390 kW; Room temperature: 25 ±5°C / dew point < 14 °C

13 PSB Ventilation – Air filters
Scope Progress report Heat loads, Air condition Filtration Smoke extraction Discharge Air flow pattern Op. modes AHU refurbishment Redundancy Temporary ventilation Planning PSB Ventilation – Air filters Area Today Upgraded Surface supply G4 G3 + F8 Surface discharge w/o Surface smoke ext. Tunnel supply Tunnel discharge F8 Tunnel smoke ext. Vertical discharge min. 5 [m/s] PSB – Smoke extraction Area Today Upgraded Surface smoke extraction Smoke extractor fan in the mechanical room Smoke extractor fan on the roof Surface fresh air ICO fire Via AHU Supply fan + openings Tunnel smoke extraction Tunnel fresh air ICO fire Supply fan Ventilation and smoke extraction systems shall be separated!

14 Ventilation Scope Progress report Heat loads, Air condition Filtration Smoke extraction Discharge Air flow pattern Op. modes AHU refurbishment Redundancy Temporary ventilation Planning

15 Ventilation Scope Progress report Heat loads, Air condition Filtration Smoke extraction Discharge Air flow pattern Op. modes AHU refurbishment Redundancy Temporary ventilation Planning

16 Terminal heater units to be dismantled AHU – concrete structure
Ventilation Scope Progress report Heat loads, Air condition Filtration Smoke extraction Discharge Air flow pattern Op. modes AHU refurbishment Redundancy Temporary ventilation Planning Terminal heater units to be dismantled AHU – concrete structure AHU refurbishment: Demolishing only the front concrete walls of each AHU. Refurbishment the remaining concrete structures, ensure leak tightness and cleaning by a new inner surface envelope. No changes in the steel support structure. Installing new AHU modules (dampers, filters, fans etc.) inside the remaining, refurbished concrete structure. Front walls: installing new panel structure.

17 Temporary ventilation
Scope Progress report Heat loads, Air condition Filtration Smoke extraction Discharge Air flow pattern Op. modes AHU refurbishment Redundancy Temporary ventilation Preliminary Planning Temporary ventilation

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