COMISION DE RECURSOS HIDRICOS Y DESERTIFICACIÓN NUEVAS TECNOLOGIAS DE DESALINIZACIÓN. Ing. Jorge Prieto (UCh)

Tamaño: px

Comenzar la demostración a partir de la página:

Download "COMISION DE RECURSOS HIDRICOS Y DESERTIFICACIÓN NUEVAS TECNOLOGIAS DE DESALINIZACIÓN. Ing. Jorge Prieto (UCh)"

Hugo Casado Herrero
hace 5 años
Vistas:

2 COMISION DE RECURSOS HIDRICOS Y DESERTIFICACIÓN NUEVAS TECNOLOGIAS DE DESALINIZACIÓN Ing. Jorge Prieto (UCh) 20 JUNIO 2018

3 DESALINIZACIÓN La desalinización o desalación es el proceso de eliminar la sal del agua, obteniendo agua dulce AGUA SALUBRE - Contenido de sal bajo 10 g/l - Presión fluctúa entre 10 a 12 Bar AGUA DE MAR Contenido de sal hasta 35 g/l Presión fluctúa entre 50 a 70 Bar 1 Bar =14,5 PSI

4 Plantas de DESALINIZACIÓN N plantas de desalinización en todo el mundo: Caudal suministrado en todo el mundo: 86 millones de m3 N de Países utilizando desalinización : 150 países Cantidad de Personas :300 millones de personas Fuente : Asociación Internacional de Desalación

5 Métodos de Desalinización ENERGIA PROCESO MÉTODO TÉRMICA EVAPORACIÓN DESTILACION SUBITA (FLASH) DESTILACION MULTIEFECTO TERMOCOMPRESION DE VAPOR DESTILACION SOLAR CRISTALIZACION CONGELACION FORMACION DE HIDRATOS FILTRACIÓN Y EVAPORACION DESTILACION CON MEMBRANAS MECÁNICA EVAPORACION COMPRESION MECANICA VAPOR FILTRACIÓN OSMOSIS INVERSA

6 FLASH MULTI ETAPA Usa el mismo principio que una luz solar: a medida que el agua hierve, el vapor puro se evapora, dejando atrás los cristales de sal. El vapor puede luego ser recogido, condensado y utilizado para beber. OSMOSIS INVERSA El agua de mar es bombeada a alta presión contra una membrana que solo permite el paso de las moléculas de agua. El agua es forzada a cruzar, dejando una salmuera salada en un lado de la membrana y agua limpia en el otro.

7 COMPARACIÓN VISUAL sistemas tradicionales y sistema Aqua-Life

8 INTRODUCTION Desalination of seawater (salt content up to 45 g/l) is much more complicated and challenging issue. High osmotic pressure of bar results in higher prices for the desalination plants (expensive and complex pumps, steel pipelines, stainless steel grades such as Duplex, Super Duplex) and higher power consumption. So, energy recovery from concentrated seawater brine is an essential requirement for economic desalination plants. This allows for a (50%) reduction in energy consumption but requires great capital costs. So, energy recovery system is an expensive feature therefore it is used only in desalination plants with permeate production capacity more than 200 m 3 /day. For small plants it goes usually as an option or is not used at all. That s why energy consumption is about 6 10 kwh/m 3.

The modules rest on the base block which seawater is fed to and concentrate & permeate are discharged from.

9 MÓDULOS DE DESALINIZACIÓN DE 30 M3/D N Personas : 200 Dotación: 150 l/d The desalination module is a compact seawater desalination system embodied in a single-unit hydraulic machine. To assemble a desalination plant it is necessary to vertically interconnect several modules. The modules rest on the base block which seawater is fed to and concentrate & permeate are discharged from. Power supply & electronic control block is fixed at the top. Model DB8SW030. This marking stands for Seawater desalination block with 8 membrane and permeate flow rate up to 30 m 3 /day.

DISTRIBUTION BLOCK The key part of the module is a distribution block. 1.

Distribution block is a structural and supporting element meant for fixing membranes, HP pump and electronics to it. 3.

Distribution block has channels to be connected by fastening the modules to each other by bolted joints. 5.

10 DISTRIBUTION BLOCK The key part of the module is a distribution block. 1. Distribution block is made of wrought aluminium alloy of Al- Mg system compliant with an alloy grade AMG6 according to the Russian Standard. 2. Distribution block is a structural and supporting element meant for fixing membranes, HP pump and electronics to it. 3. Distribution block has channels instead of pipelines and passes seawater, high/low pressure concentrate and permeate through. 4. Distribution block has channels to be connected by fastening the modules to each other by bolted joints. 5. Distribution block is characterized by high corrosion resistance due to 70 microns deep diffusion layer (on its surface) applied by the method of thermodiffusion zinc coating. 6. Thermodiffusion zinc coating technology allows for the aluminium item to be covered with the layers electrode potential thereof is the same as the potential of the base metal which, in turn, rules out electrochemical corrosion process. 7. Service life of the desalination block in seawater is 15 years.

HIGH PRESSURE VESSEL High-pressure vessel

11 HIGH PRESSURE VESSEL High-pressure vessel with the membrane element. It is a leak-tight cylindrical element made of Duplex with the membrane inside and three channels outputs at its end face. High-pressure vessel is attached to the distribution block.

HIGH PRESSURE PUMP 1. Axial-piston pump with an integrated energy recovery unit. 2. HP pump has four connecting pipes and is fixed to the distribution block. 3.

HP pump is made of Duplex and Super Duplex steel. All sliding surfaces are coated with carbon reinforced PEEK polymer. 5.

12 HIGH PRESSURE PUMP 1. Axial-piston pump with an integrated energy recovery unit. 2. HP pump has four connecting pipes and is fixed to the distribution block. 3. Connecting pipes are as follows: low pressure seawater (ВН), high pressure seawater (ВВ), high pressure concentrate (РВ), low pressure concentrate (РН). 4. HP pump is made of Duplex and Super Duplex steel. All sliding surfaces are coated with carbon reinforced PEEK polymer. 5. There are no movable bushings in HP pump to ensure its reliable performance. 6. Distribution block is meant for distribution of flows via four channels. 7. HP pump APPR43 is equipped with 4 kw electromotor at seawater flow rate of up to 3 m3/hour and the pressure up to 80 bar.

13 SWRO TRAILER PLANTA DE DESALINACION 30 M3/D DB8SW030 con filtros de disco para 40 µm Sistema de limpieza de membrana Tablero de Control Consumo : 6 kwh Se requiere sistema de pre tratamiento (Trailer no incluido) PRECIO EXW DE REFERENCIA

14 DESALINATION PLANT 1000 М3/DAY

Documentos relacionados

ANTI-FOULING + MICROFILTRATION + HIGH PRESSURE PUMP + REVERSE OSMOSIS + FLUSHING

ANTI-FOULING + MICROFILTRATION + HIGH PRESSURE PUMP + REVERSE OSMOSIS + FLUSHING Page Nº 1 REVERSE OSMOSIS COMPACT PLANT FOR LARGE FLOWS REF: PUR-MAXIRO-BW1 (TDS