WO2011128465A1 - Machine d'épuration d'eau - Google Patents

Machine d'épuration d'eau Download PDF

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Publication number
WO2011128465A1
WO2011128465A1 PCT/ES2010/070222 ES2010070222W WO2011128465A1 WO 2011128465 A1 WO2011128465 A1 WO 2011128465A1 ES 2010070222 W ES2010070222 W ES 2010070222W WO 2011128465 A1 WO2011128465 A1 WO 2011128465A1
Authority
WO
WIPO (PCT)
Prior art keywords
machine
water
control module
pump
water purifying
Prior art date
Application number
PCT/ES2010/070222
Other languages
English (en)
Spanish (es)
Inventor
Martin Paituvi Peral
Original Assignee
Everglades 2005, S.L.
Grapa Developments Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Everglades 2005, S.L., Grapa Developments Llc filed Critical Everglades 2005, S.L.
Priority to PCT/ES2010/070222 priority Critical patent/WO2011128465A1/fr
Publication of WO2011128465A1 publication Critical patent/WO2011128465A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/16—Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/18—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/22—Controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/16—Flow or flux control
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
    • 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
    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • C02F2209/008—Processes using a programmable logic controller [PLC] comprising telecommunication features, e.g. modems or antennas
    • 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
    • C02F2209/03—Pressure
    • 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
    • C02F2209/40—Liquid flow rate
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters

Definitions

  • the invention relates, ta! as stated in the present specification, to a water purifying machine that contributes to the function to which a series of advantages and innovative characteristics are destined, apart from others inherent to its organization and constitution and which will be described in detail later , assuming a remarkable improvement compared to what is already known in this field.
  • the object of the invention focuses on a machine configured as a small modular water purification plant, specially designed for the production of water suitable for human consumption using surface waters, such as rivers, lakes, springs, wells or reservoirs and that has been conceived to be used, without this being a limitation, in remote locations, where simplicity of operation and maintenance is essential, does not require the use of chemical reagents and has a very low energy consumption, and in which, in addition, each of the elements that compose it has been designed to facilitate the location, commissioning and operation of the unit, avoiding the need for spare parts or consumables and facilitating eventual repairs with local means, so that its use in hard to reach areas is not compromised.
  • the proposed purifying machine although not suitable for water desalination, is applicable as a preliminary stage for desalination plants of reverse osmosis that work with high turbidity waters, considerably reducing maintenance and desalination energy expenditure, while prolonging the life of the facilities thanks to the total elimination! of particles that can damage the osmosis membranes.
  • the field of application of the present invention is part of the technical sector of the industry dedicated to the manufacture of water purification units, particularly those within the aforementioned area for human consumption using surface waters, such as rivers, lakes , springs, wells or reservoirs.
  • one of the objectives of the present invention is to maintain awareness of the importance of the correct design and operation of any element to preserve the environment, especially if its destination is in developing countries, where the infrastructure for recycling or environmental awareness is a second priority.
  • the proposed machine has been designed to avoid the aforementioned inconveniences, combining maximum efficiency with extraordinary simplicity of installation and operation, minimum energy consumption and virtually no need for products maintenance chemicals, being also performed with total absence of metals heavy, such as Lead, Cadmium or Mercury, both in the basic equipment and its complements.
  • chlorinated compounds has also been minimized (except for the small amounts necessary for sporadic cleaning of the membrane), assuming a significant advance in respect for the environment compared to the water treatment plants that use raw water treatment, with the consequent risk of formation of carcinogenic substances by reaction of Chlorine with the organic matter that contains the untreated water, since the organic substances are eliminated in the raw water before carrying out any possible process of cioration.
  • the proposed purifier avoids the use of energetic flocculants or disinfectants, common in water treatment plants that use physical-chemical techniques, with the materials used in the main components thereof being glass fiber, polyethylene or polypropylene for deposits, polypropylene or PVC for pipes, and PVC, brass or bronze for discharge valves, as well as other alternative materials that are compatible with the application and are not harmful to the environment or to e! purified water.
  • what the invention advocates is a water purifying machine, designed as previously indicated for the production of water suitable for human consumption using surface waters, such as rivers, lakes, springs, wells or reservoirs, in which basically uses ultrafiltration technology as a purification system.
  • the raw water passes through a membrane provided in the machine whose pore size is less than 0.025 microns, so that all suspended solids, bacteria, viruses, pollen, pigments, cytoplasm etc. they are retained by said membrane, producing at the exit a quality of water suitable for human consumption.
  • a membrane provided in the machine whose pore size is less than 0.025 microns, so that all suspended solids, bacteria, viruses, pollen, pigments, cytoplasm etc. they are retained by said membrane, producing at the exit a quality of water suitable for human consumption.
  • ultrafiltration works with moderate pressures, thereby advantageously obtaining a high component life and an extraordinarily low energy consumption compared to other water purification systems.
  • the impurities that are retained on the surface of the membrane must be removed at the moment when they imply an increase in resistance to the passage of water, which is done by reversing the direction of water circulation, which crosses the membrane from the clean area to dirty, dragging impurities in the process called "backwash".
  • Said backwashing is simply performed with previously purified water and contained in a tank placed on the machine, but after a high number of cycles, which depends on the dirt of the water being purified, the accumulation of impurities on the membrane surface must be eliminated by a more vigorous washing. This special washing is done by providing cleaning products easily obtained locally, such as soda (sodium hydroxide), citric acid, and bleach (sodium hypochlorite) in small quantities.
  • the machine In order to reduce the accumulation of large impurities in the uitrafiltration membrane, the machine also has a ring filter that retains particles with a diameter greater than 70 microns. This filter is periodically cleaned by backwashing every time this operation is performed on the uitrafiltration membrane. In the event that accumulation of dirt occurs in the ring filter, it can be easily disassembled and washed by hand, without requiring chemicals or spare parts of any kind.
  • the water circulation through the machine is carried out by means of a multi-stage centrifugal pump, and a set of electrically operated valves directs the water flow according to the needs of each moment (normal process, washing, process with rejection etc. ).
  • the pump is easy to disassemble and intervene in case of obstruction or breakdown, with conventional tools.
  • the valves can be disassembled and cleaned without the need to remove them from the machine, to facilitate their cleaning or repair in very exceptional cases.
  • the pump can be adapted to the operating needs of each moment, ensuring the required pressure and flow characteristics, while managing the power of the machine to optimize the consumption of Energy.
  • various pressure sensors arranged at various points of! circuit that inform the control system of the state of the internal hydraulic circuits of the machine, and adjust the operation according to the control algorithms implemented, providing the operator with information on the operating status of the machine.
  • Both the control module such as the speed variator, the protections and safety devices and the operation buttons, are in a waterproof box prepared for the weather, easily visible and accessible to the operator.
  • the base of said structure may be provided with skates to enable manual dragging in muddy areas where rolling is not possible, with wheel mounting also being provided to allow the machine to move comfortably if the machine is not available. proper trailer, or in narrow steps where it is not possible to drive with vehicles.
  • purified water As for the production of purified water, this will depend on the quality of the water to be treated, mainly its turbidity and the suspended solids that are at the point of water intake. In cases of high transparency water, the production of purified water reaches 3.5 cubic meters per hour, and drops to 1 cubic meters per hour in the case of waters with high solids content in suspension and high turbidity.
  • the water purification machine described and which advocates the present invention represents a substantial advance in the production of water for human consumption in small communities that lack adequate infrastructure to ensure the supply of drinking water, or in emergency situations such as natural disasters, population displacements due to conflicts, temporary establishments, reinforcement of water treatment structures! existing, and, in general, any need for purified water, representing, therefore, an innovative structure of structural and constitutive characteristics unknown until now for this purpose, reasons that provide a sufficient basis to obtain the privilege of exclusivity that is requested .
  • Figures 1 and 2 show a schematic view in front and rear elevation, respectively, of an embodiment of the water purification machine object of the invention, showing in them the main parts and elements comprising, as well as the configuration and arrangement of said parts and elements.
  • the machine (1) in question comprises, at least, an ultrafiltration membrane (2) whose pore size is less than 0.025 microns, on whose surface the impurities of the water to be treated are retained. make it pass through it driven by a centrifugal pump (3) through the pipeline circuit (4) in which, essentially, a collection point (5), a product exit point (6) and a rejection exit point (7) are contemplated, there being a set of electrically operated valves (8) , which directs the water flow according to the needs of each moment (normal process, washing, process with rejection etc.), said drive being carried out through a control module (9) which, at the same time, directs e! pump operation (3).
  • the standard operating mode! The machine will circulate the water driven by the pump (3) through the membrane (2) from the collection point (5) to the product outlet (6).
  • the centrifugal pump (3) reverses the direction of circulation of the water so that it passes through the membrane from the clean area to the dirty one, dragging impurities, in the process called "backwash", towards the rejection outlet (7).
  • the machine has an easily removable ring filter (10) and located previously to the membrane (2) designed to retain larger particles, specifically with a diameter greater than 70 microns.
  • the machine (1) also incorporates a deposit (1 1) of, at less, two independent bodies, one that accumulates the water necessary for the backwashing or special washing (1 1a) that simultaneously serves to prime the pump (3) if necessary, and another or others for cleaning products ( 1 1 b).
  • the machine (1) has a speed variator (12) through which it is possible to adapt the pump (3) to the operating needs of each moment, ensuring the required pressure and flow characteristics, to ! time that manages the power of the machine to optimize energy consumption, also contemplating various pressure sensors (13) arranged at various points of the circuit (4) that inform the control module of the state of the internal hydraulic circuits of the machine, and adjust the operation in accordance with the impiemented control algorithms, providing information on the operating status of the machine through the screen (14) provided for that purpose.
  • control module (9) is a control and power system specifically designed for the machine (1) and contains all the automatisms necessary for its operation, said control module (9) being as well as the speed variator (12), the protections and safety devices and the operation buttons (15), in a waterproof box (16) prepared for outdoor use, easily visible and accessible.
  • the power cable can be connected and the general switch can be operated.
  • the purifier has a manual operating mode that allows the system to be primed from one of the tanks (1 1 a) (previously filled manually) by operating the pump (3) and using pressure taps provided for this purpose.
  • the operator places the operation selector in the "priming" mode and presses the start button. From this moment, the control system is in charge of filling the different circuits (4) of the machine in an orderly and safe way, also protecting the pump (3) from a possible descent that could cause some breakdown.
  • the priming cycle is completed, the machine stops and waits for the operator to start the production of purified water.
  • the operator places the operation selector in the "production” position and presses the start button again so that the machine starts its normal operating cycle. From this moment on, the system works automatically without further intervention than that required by the screen (14) of the control module (9).
  • the purifying machine begins its operation with the parameters of production and contralavados established in factory, of so that after a certain period of pure water production, a backwash cycle is automatically carried out, and this cycle is restarted indefinitely.
  • the systems for recognizing the operating status of the machine detect if the water is excessively turbid, in which case the operating parameters of the plant are readjusted to ensure maximum production of purified water compatible with the characteristics of the untreated water.
  • the operator will be asked to perform a chemical wash, by means of a light signal on the control panel.
  • the operator will add to the chemical wash tank (1 1 b) the chemical that suits the quantities indicated in the operation manual, place the operating selector in the "Chemical Wash” position and press the start button . From this moment on, the control system will carry out all the washing phases, communicating to the operator the moment in which he can resume the normal operation of the machine.
  • the invention proposes a machine (1) for drinking water with at least one ultrafiltration membrane (2) which, equipped with a single centrifugal pump (3), performs all production, cleaning and disinfection cycles by means of a circuit of pipes (4) and a set of valves (8) that, electrically operated, direct the water and cleaning or disinfection solutions through said membrane or membranes, according to a programmable work cycle, with a tank (1 1) of at least two watertight bodies that contain one (1 1 a) water and the other or other (1 1 b) said disinfection or cleaning solutions.
  • the machine has a control module (9) that drives the valve assembly (8) to direct the flow of water or cleaning or disinfection solutions and adjusts the point of operation of the pump (3) by means of a speed variator (12) provided for this purpose, so that at each stage of operation the flow is obtained! o / and pressure required for optimal machine operation.
  • a control module (9) that drives the valve assembly (8) to direct the flow of water or cleaning or disinfection solutions and adjusts the point of operation of the pump (3) by means of a speed variator (12) provided for this purpose, so that at each stage of operation the flow is obtained! o / and pressure required for optimal machine operation.
  • control module (9) based on initial data entered by software or any other means, adjusts the operating parameters of the machine, especially the production flow, washing cycles and disinfection cycles to from analysis of the variation of measurements in operation of the machine such as pressures, flow rates and other significant measurements, taken from pressure sensors (13) and flow meters (17) provided therein, so that the machine automatically adjusts to the quality of the water you are processing.
  • a wireless transmission module (21) which, from an emitter located in the machine itself, which allows the measurement of operating parameters thereof remotely, as well as introducing data and settings in the control module (9) through a receiver / transmitter equipped with an antenna and the appropriate software.
  • the described water purifying machine indicated by way of example may be implemented in other embodiments that differ in detail from it, and which will also achieve the protection that it is collected whenever it is not altered, changed or modified its fundamental principle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention concerne une machine d'épuration d'eau comprenant au moins une membrane d'ultrafiltration (2), une tubulure (4), des valves (8) actionnées électriquement et une pompe centrifuge (3) unique, réalisant les cycles de production, de nettoyage et de désinfection conformément à un cycle de travail programmable, au moyen d'un module de commande (9) qui actionne les valves (8) pour réguler l'écoulement et le fonctionnement de la pompe (3). Le module de commande (9), à partir de données initiales, règle les paramètres de fonctionnement de la machine. Un variateur de vitesse (12) permet au module de commande (9) de régler la pompe (3) dans chaque phase de fonctionnement. Des systèmes de mesure, tels que des capteurs de pression (13) et des débitmètres (17), permettent au module de commande (9) de régler le fonctionnement selon la qualité de l'eau. Un module de transmission sans fil (21) permet de mesurer des paramètres et d'entrer des données et des réglages à distance dans le module de commande (9).
PCT/ES2010/070222 2010-04-12 2010-04-12 Machine d'épuration d'eau WO2011128465A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/ES2010/070222 WO2011128465A1 (fr) 2010-04-12 2010-04-12 Machine d'épuration d'eau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2010/070222 WO2011128465A1 (fr) 2010-04-12 2010-04-12 Machine d'épuration d'eau

Publications (1)

Publication Number Publication Date
WO2011128465A1 true WO2011128465A1 (fr) 2011-10-20

Family

ID=44798284

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2010/070222 WO2011128465A1 (fr) 2010-04-12 2010-04-12 Machine d'épuration d'eau

Country Status (1)

Country Link
WO (1) WO2011128465A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3366367A1 (fr) * 2017-02-22 2018-08-29 Fenwal, Inc. Système et procédé de commande d'écoulement de sortie d'un dispositif de séparation de suspensions cellulaires
CN108947138A (zh) * 2018-08-08 2018-12-07 张家港市欧微自动化研发有限公司 一种污水处理设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5720874A (en) * 1993-05-14 1998-02-24 Infinitex Corporation Ultrafiltration assembly having centrifugal pump and eductor
US6120682A (en) * 1998-10-02 2000-09-19 Cook; James E. Portable pump-type reverse osmosis apparatus
WO2007148367A2 (fr) * 2006-06-23 2007-12-27 Lorenzo Giordani Système mobile pour potabilisation par osmose
CN201284277Y (zh) * 2008-10-29 2009-08-05 浙江东洋环境工程有限公司 一种小型净水机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5720874A (en) * 1993-05-14 1998-02-24 Infinitex Corporation Ultrafiltration assembly having centrifugal pump and eductor
US6120682A (en) * 1998-10-02 2000-09-19 Cook; James E. Portable pump-type reverse osmosis apparatus
WO2007148367A2 (fr) * 2006-06-23 2007-12-27 Lorenzo Giordani Système mobile pour potabilisation par osmose
CN201284277Y (zh) * 2008-10-29 2009-08-05 浙江东洋环境工程有限公司 一种小型净水机

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3366367A1 (fr) * 2017-02-22 2018-08-29 Fenwal, Inc. Système et procédé de commande d'écoulement de sortie d'un dispositif de séparation de suspensions cellulaires
US10682611B2 (en) 2017-02-22 2020-06-16 Fenwal, Inc. System and method for controlling outlet flow of a device for separating cellular suspensions
US11291953B2 (en) 2017-02-22 2022-04-05 Fenwal, Inc. System and method for controlling outlet flow of a device for separating cellular suspensions
CN108947138A (zh) * 2018-08-08 2018-12-07 张家港市欧微自动化研发有限公司 一种污水处理设备

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