Type

NTDH

Short description

NTDH utilizing sea water for district heating

Location

"Arsenale Nord” district - Venice

Country

Italy

End users

Area of Venice Arsenal

Heat source

Sea water/Gas

Description

Sea water is brought to central HE plant (3 HEX, one is back-up-every has capacity of 3000 kW) where it exchanges heat with water used in HPs in industrial and residential sector (for air conditioning and DHW); Gas boiler if system fails

Cooling

Yes

Heat source-network connection

HEX

Booster HP or no for SH

HP

Booster HP, IHEU or DHSU for DHW

HP

Category

1.8.1.1.1.

Tsource [°C]

8 (winter)

∆Tsource [°C]

3 (winter)

Tsupply,min [°C] (network)

6 (winter)

Tsupply,max [°C] (network)

7 (winter)

Tsupply,min [°C] (at consumer substation)

40 (winter)

Tsupply,max [°C] (at consumer substation)

46 (winter)

Treturn [°C] (network)

1.5 (network-winter); 40 (consumer-winter)

SCOP=(reference annual heating demand)/(seasonal electricity consumption for heating) [-]

5

Installed capacity [MW]

6

Reference 1

http://tesi.cab.unipd.it/45732/1/TESI_-_ORDIGONI_GIULIO_1014607.pdf

Reference 2

https://doi.org/10.1016/j.rser.2018.12.059

Number 2