ES1068263U - Regenerating station of wastewater (Machine-translation by Google Translate, not legally binding) - Google Patents
Regenerating station of wastewater (Machine-translation by Google Translate, not legally binding) Download PDFInfo
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- ES1068263U ES1068263U ES200801365U ES200801365U ES1068263U ES 1068263 U ES1068263 U ES 1068263U ES 200801365 U ES200801365 U ES 200801365U ES 200801365 U ES200801365 U ES 200801365U ES 1068263 U ES1068263 U ES 1068263U
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- 239000002351 wastewater Substances 0.000 title claims abstract description 18
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 6
- 239000012528 membrane Substances 0.000 claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 150000002823 nitrates Chemical group 0.000 claims abstract description 16
- 244000005700 microbiome Species 0.000 claims abstract description 14
- 239000010802 sludge Substances 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 238000000605 extraction Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000011282 treatment Methods 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 239000005416 organic matter Substances 0.000 claims abstract description 7
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 6
- 239000012466 permeate Substances 0.000 claims abstract description 6
- 230000015556 catabolic process Effects 0.000 claims abstract description 4
- 238000006731 degradation reaction Methods 0.000 claims abstract description 4
- 230000009466 transformation Effects 0.000 claims abstract description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims abstract description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims abstract description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract 5
- 229910021529 ammonia Inorganic materials 0.000 claims abstract 2
- 239000002910 solid waste Substances 0.000 claims abstract 2
- 239000000523 sample Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 230000005587 bubbling Effects 0.000 abstract description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- 230000004913 activation Effects 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 4
- 150000003868 ammonium compounds Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 239000005708 Sodium hypochlorite Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000021190 leftovers Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1242—Small compact installations for use in homes, apartment blocks, hotels or the like
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Estación regeneradora de aguas residuales.Wastewater regenerator station.
La presente invención se refiere a una estación regeneradora de aguas residuales urbanas asimilables a domésticas, para tras un tratamiento adecuado posibilitar su reutilización.The present invention relates to a station urban wastewater regenerator similar to domestic, After proper treatment, enable reuse.
Las aguas residuales urbanas, que son asimilables a domésticas, provienen principalmente de la actividad doméstica diaria de las viviendas. La contaminación tanto orgánica como microbiológica es eliminable mediante estaciones de regeneración adecuadas. Así en diversos países existen normativas que regulan el uso de dichas estaciones de recogida y regeneración de aguas residuales destinadas a promover el ahorro de agua.Urban wastewater, which is assimilable to domestic, come mainly from the activity Daily housekeeping. So much organic pollution as a microbiological, it can be eliminated by means of proper regeneration. Thus in various countries there are regulations that regulate the use of said collection and regeneration stations of wastewater intended to promote water savings.
La mayoría de las estaciones de regeneración de aguas residuales constan de un circuito de tratamiento que comprende principalmente un tratamiento de oxidación total seguido de una filtración mediante filtros de arena o similares para eliminar posibles restos sólidos y un dosificador de cloro (comúnmente hipoclorito de sodio) que acondiciona el agua tratada para evitar la proliferación de bacterias en el agua que se retorna para su reutilización.Most regeneration stations of wastewater consists of a treatment circuit that comprises mainly a total oxidation treatment followed by a filtration by sand filters or the like to remove possible solid remains and a chlorine dispenser (commonly sodium hypochlorite) that conditions treated water to avoid proliferation of bacteria in the water that returns for its reuse
Estos filtros no garantizan la separación sólido-líquido, ni su tratamiento para minimizar el contenido en materia orgánica que llevan las aguas residuales.These filters do not guarantee separation solid-liquid, nor its treatment to minimize the organic matter content carried by sewage.
La estación regeneradora de aguas residuales, objeto de esta invención, presenta unas particularidades técnicas destinadas a conseguir un óptimo tratamiento de aguas residuales asimilables a domésticas obteniéndose agua con calidad de reutilización, mediante tecnología de membranas y tratamientos biológicos.The wastewater regenerator station, object of this invention, presents some technical peculiarities aimed at achieving optimal wastewater treatment assimilable to domestic obtaining water with quality of reuse, through membrane technology and treatments Biological
El sistema cumple los requisitos del Real Decreto 1620/2007, de 7 de diciembre, por el que se establece el régimen jurídico de reutilización de las aguas depuradas.The system meets the requirements of Real Decree 1620/2007, of December 7, which establishes the legal regime for the reuse of purified water.
Así la estación realiza un tratamiento en base a tres operaciones básicas, que comprenden: - desnitrificación del agua, en la que se descomponen los nitratos en nitrógeno, - oxidación biológica, en la que se descompone la materia orgánica, así como los compuestos de amonio y se forman nitratos que realimentan a la operación anterior, y - filtración, en la que se produce la separación sólido-líquido por filtración mediante tecnología de membranas.Thus the station performs a treatment based on three basic operations, which include: - denitrification of the water, in which the nitrates decompose into nitrogen, - biological oxidation, in which organic matter decomposes, as well as the ammonium compounds and nitrates that form feed back to the previous operation, and - filtration, in which produces solid-liquid separation by filtration by membrane technology.
Así, la estación comprende en el seno de un depósito, y entre la entrada de aguas residuales y la conducción de salida de agua tratada, un primer compartimento de desnitrificación en el que se vierten las aguas residuales suministradas a través de la entrada y donde unos microorganismos realizan una labor de descomposición de los nitratos a nitrógeno, estando este compartimento de desnitrificación comunicado por un paso con un segundo compartimento biorreactor aeróbico en el que unos microorganismos específicos realizan una labor de degradación de la materia orgánica y de transformación de los compuestos de amonio en nitratos gracias a la aportación de oxigeno mediante una parrilla de difusores que es alimentada por una soplante externa. El depósito comprende también un tercer compartimento de membranas, comunicado por un segundo paso con el compartimento biorreactor, encontrándose en este compartimento de membranas un módulo de membranas filtrantes, para la separación del agua del fango. Este módulo de membranas filtrantes incorpora unos difusores inferiores de aire, asociados a una soplante externa para la generación de un burbujeo que, circulando entre el módulo de membranas permita su limpieza.Thus, the station comprises within a deposit, and between the entry of wastewater and the conduction of treated water outlet, a first denitrification compartment in which the wastewater supplied is poured through the entrance and where some microorganisms perform a work of decomposition of nitrates to nitrogen, this being denitrification compartment communicated by a step with a second aerobic bioreactor compartment in which about specific microorganisms perform a work of degradation of the organic matter and transformation of ammonium compounds in nitrates thanks to the contribution of oxygen through a grill of diffusers that is fed by an external blower. He deposit also comprises a third membrane compartment, communicated by a second step with the bioreactor compartment, found in this membrane compartment a module of filter membranes, for the separation of water from the mud. This filter membrane module incorporates lower diffusers of air, associated with an external blower for the generation of a bubbling that, circulating between the membrane module allows its cleaning.
La estación regeneradora comprende una reja de desbaste previa a la entrada de agua residual al depósito para la separación de las partículas de tamaño mediano y grande. Esta reja de desbaste presenta un paso de 3 milímetros.The regenerating station comprises a grid of roughing prior to the entry of wastewater into the tank for separation of medium and large size particles. This fence of roughing presents a step of 3 millimeters.
El compartimento de desnitrificación comprende un agitador de palas que facilita la homogeneización del agua residual del depósito así como la liberación del nitrógeno y oxígeno.The denitrification compartment comprises a paddle shaker that facilitates water homogenization residual deposit as well as nitrogen release and oxygen.
Además, el compartimento de desnitrificación comprende una sonda redox de medida del potencial redox para controlar el caudal de retorno de agua desde el compartimento de membranas con la cantidad de nitratos adecuados. Así la medida del potencial redox permite conocer las condiciones óptimas para que se produzca la desnitrificación en función del equilibrio entre especies oxidadas y reducidas.In addition, the denitrification compartment comprises a redox probe measuring the redox potential for control the return flow of water from the storage compartment membranes with the right amount of nitrates. Thus the measure of redox potential allows to know the optimal conditions for produce denitrification depending on the balance between oxidized and reduced species.
Se ha previsto que el compartimento biorreactor comprenda unos difusores de aire o parrilla de difusores asociados a una soplante para la formación de un burbujeo de aire en el agua a tratar, facilitando así la labor de descomposición de los microorganismos y una agitación suficiente del agua para que dichos microorganismos estén en suspensión. En este compartimento biorreactor se trabaja con concentraciones de sólidos elevadas, de modo que se requiere más oxigenación y, siendo la edad del fango más elevada, se obtienen rendimientos de depuración superiores a las de un tratamiento convencional.The bioreactor compartment is planned comprise air diffusers or grill of associated diffusers to a blower for the formation of an air bubble in the water to treat, thus facilitating the work of decomposition of microorganisms and sufficient agitation of water so that these microorganisms are in suspension. In this compartment bioreactor works with high solids concentrations, of so that more oxygenation is required and, being the age of the sludge higher, purification yields higher than of a conventional treatment.
La estación comprende una bomba de extracción de permeado asociada al colector del módulo de membranas para la creación de un vacío que provoca un flujo de agua fuera-dentro en dichas membranas y evacua el agua permeada por la conducción de salida al exterior.The station comprises an extraction pump of permeate associated to the collector of the membrane module for the creation of a vacuum that causes a flow of water out-in on these membranes and evacuate the water permeated by the outbound driving.
La estación comprende una bomba de recirculación en el compartimento de membranas para el retorno de fangos al compartimento biorreactor y retorno de fangos que contienen nitratos al compartimento de desnitrificación. La estación comprende una unidad de control de accionamiento automático programable y/o manual, asociado a los componentes eléctricos y electrónicos de la estación.The station comprises a recirculation pump in the membrane compartment for the return of sludge to bioreactor compartment and sludge return containing nitrates to the denitrification compartment. The station includes a programmable automatic drive control unit and / or manual, associated with the electrical and electronic components of the station.
Además, la soplante del compartimento de membranas permite, además de limpiar las membranas, un aporte de aire y oxígeno extra que proporciona las condiciones necesarias para que el compartimento de membranas se comporte como un segundo reactor biológico de oxidación.In addition, the blower compartment membranes allows, in addition to cleaning the membranes, a contribution of extra air and oxygen that provides the necessary conditions so that the membrane compartment behaves like a second biological oxidation reactor.
El compartimento de membranas presenta un rebosadero para el vertido de agua si excede un nivel máximo de llenado del depósito.The membrane compartment has a overflow for water discharge if it exceeds a maximum level of tank filling
La estación comprende una electroválvula de purga de los difusores en el compartimento de membranas. Esta electroválvula está dispuesta en una prolongación de la conducción de suministro de aire a los difusores y su apertura permite la succión de agua para pasarla por dichos difusores y así remover los fangos depositados.The station comprises a solenoid valve purging the diffusers in the membrane compartment. This solenoid valve is arranged in a conduction extension air supply to the diffusers and its opening allows the water suction to pass through these diffusers and thus remove the deposited sludge.
El compartimento de membranas comprende unas boyas de nivel para el control del agua a tratar en su seno y que permiten a la unidad de control manejar el funcionamiento de la estación totalmente automática, según el caudal de agua a tratar.The membrane compartment comprises some water level buoys to be treated in your breast and that allow the control unit to handle the operation of the Fully automatic station, depending on the water flow to try.
La conducción de salida (conducción de permeado/agua tratada) comprende una válvula de tres vías (para la dosificación de la solución de limpieza de las membranas), un transmisor de presión de rango entre 0 bares a -1 bares que permite controlar la presión de filtración, una válvula antirretorno, una bomba de extracción de permeado y un caudalímetro para el control del caudal de agua tratada.Driving out (driving permeate / treated water) comprises a three-way valve (for dosage of the membrane cleaning solution), a Pressure transmitter ranging from 0 bar to -1 bar that allows control the filtration pressure, a non-return valve, a permeate extraction pump and a flow meter for control of the treated water flow.
El depósito comprende unas arquetas o entradas de acceso a los compartimentos para su limpieza y mantenimiento por parte de personal autorizado.The deposit includes some boxes or entrances of access to the compartments for cleaning and maintenance by Authorized personnel
Para complementar la descripción que se está realizando y con objeto de facilitar la comprensión de las características de la invención, se acompaña a la presente memoria descriptiva un juego de dibujos en los que, con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being performing and in order to facilitate the understanding of characteristics of the invention, is attached herein descriptive a set of drawings in which, for illustrative purposes and not limiting, the following has been represented:
- La figura 1 muestra un esquema simplificado de la estación regeneradora.- Figure 1 shows a simplified scheme of The regenerating station.
Como se puede observar en las figuras referenciadas la estación regeneradora está constituida por un depósito (1) con una entrada (11) de recogida de aguas residuales urbanas asimilables a domésticas y una conducción de salida (12) de agua tratada para su reutilización, siendo dicho depósito (1) apto para su disposición. enterrada. Previo a la entrada (11) al depósito (1) hay instalada una reja de desbaste (10) con paso 3 milímetros para el filtrado de partículas de tamaño mediano y grande. En el seno del depósito (1) se encuentra un primer compartimento de desnitrificación (13) en el que desemboca la entrada (11) de aguas residuales, comunicado por un paso (15) configurado por unos agujeros en la parte inferior del tabique de separación con un segundo compartimento biorreactor (14), y un compartimento de membranas (16), en el cual se vierte el agua del compartimento biorreactor (14) por un paso (17) por rebose, encontrándose en el seno de dicho compartimento de membranas (16) un/os módulo/s de membranas (2) filtrantes.As can be seen in the figures referenced the regenerating station is constituted by a tank (1) with a wastewater collection inlet (11) urban assimilable to domestic and an exit conduit (12) of treated water for reuse, said tank (1) being suitable for your disposal buried. Prior to entry (11) at tank (1) a roughing fence (10) with step 3 is installed millimeters for filtering medium-sized particles and big. Inside the tank (1) there is a first denitrification compartment (13) into which the wastewater inlet (11), communicated by a step (15) configured by holes in the bottom of the partition wall separation with a second bioreactor compartment (14), and a membrane compartment (16), into which the water from the bioreactor compartment (14) by one step (17) by overflow, being within said membrane compartment (16) a module (s) of filter membranes (2).
En el primer compartimento de desnitrificación (13) se encuentran unos microorganismos que llevan a cabo la descomposición de nitratos del agua en nitrógeno y oxígeno gas, encontrándose también en dicho compartimento de desnitrificación (13) una sonda redox (31) para el control del potencial de las reacciones de oxidación-reducción que se dan. En este compartimento de desnitrificación (13) se encuentra también un agitador (32) del agua para su homogeneización, comprendiendo dicho agitador (32) un motor en la parte superior del depósito (1) y un eje descendente en cuyo extremo inferior están unas palas.In the first denitrification compartment (13) are some microorganisms that carry out the decomposition of nitrates from water into nitrogen and oxygen gas, also found in said denitrification compartment (13) a redox probe (31) for the control of the potential of oxidation-reduction reactions that occur. In this denitrification compartment (13) is also a water agitator (32) for homogenization, said said stirrer (32) a motor on top of the tank (1) and a descending axis at the lower end of which are blades.
En el compartimento biorreactor (14) se encuentran unos microorganismos específicos para la biodegradación de la materia orgánica, así como para la transformación de compuestos de amonio en nitratos. En la parte inferior del compartimento biorreactor (14) se encuentran unos difusores (43) de aire asociados a una soplante (41) exterior para el burbujeo de aire en el agua a tratar en dicho compartimento biorreactor (14), permitiendo la degradación biológica de la materia orgánica y manteniendo los microorganismos en suspensión.In the bioreactor compartment (14) you find specific microorganisms for biodegradation of organic matter, as well as for the transformation of Ammonium compounds in nitrates. At the bottom of the bioreactor compartment (14) are diffusers (43) of air associated with an outside blower (41) for the bubbling of air in the water to be treated in said bioreactor compartment (14), allowing the biological degradation of organic matter and keeping microorganisms in suspension.
En el compartimento de membranas (16) se encuentra un rebosadero (18) para la eliminación del exceso de agua residual/fangos que se pueda almacenar en el depósito (1) y unas boyas (61) de nivel para el control del agua a tratar en su seno, permitiendo así a la unidad de control (5) ejercer un funcionamiento automático de toda la instalación, sin riesgo de daño para las membranas y otros componentes sensibles a una falta o exceso de agua en alguno de los compartimentos (13, 14, 16). En dicho compartimento de membranas (16) se encuentra una bomba de recirculación (62) de agua desde el compartimento de membranas (16) al compartimento biorreactor (14) para el equilibrado de concentraciones mediante transferencia de lodos desde el compartimento de membranas (16) al compartimento biorreactor (14). Dicha bomba de recirculación (62) suministra un caudal de agua rica en nitratos al compartimento de desnitrificación (13). El caudal suministrado por esta bomba de recirculación (62) está controlado por una electroválvula (42) y unidad de control (5) en función del valor medido de la sonda redox (31).In the membrane compartment (16) find an overflow (18) for the removal of excess water residual / sludge that can be stored in the tank (1) and some buoys (61) of level for the control of the water to be treated inside, thus allowing the control unit (5) to perform an operation automatic of the entire installation, without risk of damage to the membranes and other components sensitive to a lack or excess of water in one of the compartments (13, 14, 16). In said Membrane compartment (16) is a pump recirculation (62) of water from the membrane compartment (16) to the bioreactor compartment (14) for balancing sludge transfer concentrations from the membrane compartment (16) to the bioreactor compartment (14). Said recirculation pump (62) supplies a rich water flow in nitrates to the denitrification compartment (13). Flow supplied by this recirculation pump (62) is controlled by a solenoid valve (42) and control unit (5) depending on the measured value of the redox probe (31).
El módulo de membranas (2) comprende una pluralidad de membranas de ultra o microfiltración, que permiten la separación de los sólidos y los microorganismos del agua a tratar del agua que se desea reutilizar. La extracción del flujo de esta agua se produce por el vacío realizado por una bomba de extracción (21) en la conducción de salida (12) y que está conectada con el colector (no representado) del módulo de membranas (2). En la conducción de salida (12) se encuentra un transmisor de presión (22) para el control de la presión o vacío generado por dicha bomba de extracción (21) a través de las membranas, y conectado con la unidad de control (5) para su gestión de los datos. Debajo del módulo de membranas (2) se encuentra una parrilla de difusores (23) de aire de burbujeo grueso que circula entre las membranas ejerciendo así una labor de limpieza desprendiendo los sólidos sobrantes de la superficie de las membranas. Estos difusores (23) están asociados a una soplante (24) exterior que inyecta aire a través de una conducción (25), encontrándose el extremo de esta conducción (25) elevada y asociada a una electroválvula (26) de purga cuya apertura permite la succión de agua para pasarla por dicha parrilla de difusores (23) y así remover los fangos depositados.The membrane module (2) comprises a plurality of ultra or microfiltration membranes, which allow separation of solids and microorganisms from the water to be treated of the water that you want to reuse. The flow extraction of this water is produced by the vacuum made by an extraction pump (21) in the output line (12) and which is connected to the collector (not shown) of the membrane module (2). In the output conduit (12) is a pressure transmitter (22) for the control of the pressure or vacuum generated by said pump extraction (21) through the membranes, and connected with the control unit (5) for data management. Under the membrane module (2) is a grill of diffusers (23) of thick bubbling air circulating between the membranes thus exerting a cleaning task releasing the solids leftovers from the surface of the membranes. These diffusers (23) are associated with an outside blower (24) that injects air into through a conduit (25), meeting the end of this conduction (25) elevated and associated with a solenoid valve (26) of purge whose opening allows the suction of water to pass it through said diffuser grill (23) and thus remove the sludge deposited
En la conducción de salida (12) de agua a reutilizar se encuentra una válvula de tres vías (71), que permite las labores de limpieza del módulo de membranas (2) mediante dosificación de hipoclorito sódico, una válvula antirretorno (72) para evitar el retorno del agua al depósito (1) y un caudalímetro (73) para el control del caudal de agua permeada mediante actuación, a través de la unidad de control (5), sobre la bomba de extracción (21) de permeado.In the outlet pipe (12) of water to reuse is a three way valve (71), which allows the cleaning of the membrane module (2) by dosage of sodium hypochlorite, a non-return valve (72) to prevent the return of water to the tank (1) and a flow meter (73) for the control of permeated water flow through acting, through the control unit (5), on the pump extraction (21) of permeate.
El depósito (1), al ser apto para su disposición enterrada, presenta en su parte superior unas arquetas (19) de acceso a los compartimentos (13, 14, 16) para su limpieza y mantenimiento.The deposit (1), being suitable for disposal buried, it presents in its upper part some arches (19) of access to the compartments (13, 14, 16) for cleaning and maintenance.
Una vez descrita suficientemente la naturaleza de la invención, así como un ejemplo de realización preferente, se hace constar a los efectos oportunos que los materiales, forma, tamaño y disposición de los elementos descritos podrán ser modificados, siempre y cuando ello no suponga una alteración de las características esenciales de la invención que se reivindican a continuación.Once nature is sufficiently described of the invention, as well as a preferred embodiment, for the appropriate purposes that the materials, form, size and arrangement of the elements described may be modified, as long as this does not imply an alteration of the essential features of the invention claimed in continuation.
Claims (10)
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| ES200801365U ES1068263Y (en) | 2008-06-26 | 2008-06-26 | RESIDUAL WATER REGENERATING STATION |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2345090A1 (en) * | 2009-03-13 | 2010-09-14 | Universitat De Valencia | Control system for the biological elimination of nitrogen from waste water through low-cost sensors |
| CN108996825A (en) * | 2018-08-01 | 2018-12-14 | 山东环瑞生态科技有限公司 | A kind of total nitrogen processing method based on deamination film |
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2008
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2345090A1 (en) * | 2009-03-13 | 2010-09-14 | Universitat De Valencia | Control system for the biological elimination of nitrogen from waste water through low-cost sensors |
| WO2010103151A1 (en) * | 2009-03-13 | 2010-09-16 | Universitat De Valencia | Control system for the biological elimination of nitrogen from waste water through low-cost sensors |
| ES2345090B2 (en) * | 2009-03-13 | 2011-01-27 | Universitat De Valencia | CONTROL SYSTEM FOR THE BIOLOGICAL ELIMINATION OF WASTE NITROGEN BY LOW-COST PROBES. |
| CN108996825A (en) * | 2018-08-01 | 2018-12-14 | 山东环瑞生态科技有限公司 | A kind of total nitrogen processing method based on deamination film |
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| ES1068263Y (en) | 2008-12-16 |
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