ES2379934A1 - Sequential nutrient depuration system with telematic control. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Sequential nutrient debugging system with telematic control. It comprises a prefabricated tank of circular shape, with a concentric inner tank, where the outer ring is the biological reactor (7) physically separated into four chambers, aerobic (1), aerobic (2), aerobic (3) and aerobic (4), and where the concentric deposit to the outer ring is a decanter (10), conical bottom, carrying out the feeding of the reactor (7) with a tube at the top, directly entering the water distributed between the anoxic chamber (4) and the aerobic chamber (1), and moving from the aerobic chamber (1) to the aerobic chamber (2), to the aerobic chamber (3), where part of the exit water to the anoxic chamber (4), and the other part of the water passes to the decanter (10) by gravity, through a tube (11), driving the decanted water to the outside. (Machine-translation by Google Translate, not legally binding)

Description

Sequential Nutrient Purification System with telematic control.

Object of the invention

The present invention aims at a sequential nutrient purification system with control telematic, which optimizes the different aerobic and anaerobic cameras improving the habitat in each of them and eliminating organic and nitrogen matter.

Background of the invention

Different systems are known for the wastewater treatment and purification. For example, him document MX 9602440 deals with a procedure and system for the waste water purification. The system comprises a region of anaerobic treatment for biological phosphorus removal, a region of active sludge for aerobic water treatment of waste received from the anaerobic treatment region, a sedimentation region and waste water clarification received from the region of aerobic treatment, a return line to recirculate the active sludge from the sedimentation region at a preceding region in the procedure and, a willingness to vary the volume of the anaerobic treatment region.

Also document ES 402139 consists of a device in biological water purification facilities residual by the active sludge procedure. It consists of a circular deposit, seen from above, and that by a partition immersion is divided into an aeration chamber located in the center and in a later clarification chamber than in section longitudinally it has a triangular shape and it surrounds that one in shape annular, as well as a high-power centrifuge located in the center of the aeration chamber and provided with a vertical tube that ends just above the bottom of the tank, being coupled to the vertical pipe several horizontal path pipes ending with adjustable height in the area of the water surface in the posterior clarification chamber. In the immersion wall in the area immediately below the water surface are provided one or more circular openings to which pipes are coupled of spillage arranged in the posterior clarification chamber and that They end at the bottom of it.

Document ES 374037 deals with a device in facilities for biological water purification residual according to the active sludge procedure. In a tank that constitutes the civil works of the treatment plant, integrated by a central part occupied by the aeration zone provided with a high performance turbine with lifting tube, for one chamber peripheral to the anterior area of triangular section, as a space for clarification and by a casket outside the collecting tank of sludge, connections are established through tubular pipes between the aforementioned areas of aeration, clarification and arc sludge collector finished adjustable in terms of height in the area of the water surface, the connection being such and position of the mentioned conduits, which by the sole action of the turbines from the oxidation zone originate water currents or from water and mud between the different compartments mentioned above obtaining a uniform sludge extraction and a content of uniform sludge in the aeration zone.

Description of the invention

The proposed invention consists of a sequential nutrient purification system with control telematic Its particularity lies in the possibility of develop in this equipment the aerobic, anoxic and decantation, all of them physically separated, and also exist a controlled contribution of mixed liquor -recirculation- to anoxis, which Optimize the process. It is an aerial equipment, not buried, of low energy consumption which facilitates maintenance; prefabricated allowing for a very fast installation with little space required. Another important point in innovation is the installation of devices that allow the complete remote control of plant.

Together, a team is developed for the wastewater treatment in which all the processes of elimination of carbonated and nitrogenous matter in a only equipment allowing to achieve high yields of depuration.

The equipment comprises a prefabricated tank in rigid material, preferably fiberglass, and shape circular, with a concentric inner tank. Between both deposits a ring divided into several sections is generated in function of needs, separated by walls located at different heights of the tank hearth, which makes the fluid pass through the bottom-up part of the walls. He outer ring is the biological reactor in which it will be carried out the elimination of carbonated and nitrogenous matter, divided into several sections separated by rigid walls. The team Concentric to this is a conical bottom tank -decanter- in which produces the solid-liquid separation.

Associated to the tank a plurality is installed of process controllers, frequency inverters, flow meters, oximeters, suspended solids meters, COD meters, etc. All these teams have the characteristic of being centralized in a control system that allows Variations of the parameters telematically, also acting of real time registrar and communicator.

The wastewater enters distributed to the first aerobic chamber and anoxic chamber, and move on to the next section, to the next aerobic chamber, going under the rigid wall that separates them. Subsequently, the water passes to the next chamber aerobic, the rigid wall being sealed to the hearth of the ring, of so that water can only overflow. In this chamber and in the inner wall of the ring there is a tube, which goes to the central area of the decanter where the mixed liquor will enter coming from the aerated chamber.

The conical bottom decanter has a channel perimeter Thomson, with a fall towards a point where it is collected the purified water that will be carried with a tube parallel to the wall of the outward decanter.

The reactor is fed by the upper part with a diameter tube calculated according to the flow rate at pump. The influential flow is distributed between the anoxic chamber and aerobic chamber 1, coming from a pretreatment system, regulation or debugging. These flows will be regulated existing in at all times a proportionality between the influential flow and the speed of assimilation of organic matter in the process of debugging, for which electronic devices of control.

Part of the outlet water of the aerobic chamber 3 It will be forwarded to the anoxic chamber from the top. This water Output will be regulated by a device associated with the pump. The other part of the water in the aerobic chamber 3 will pass by gravity to the Decanter for a tube. The decanted water is relieved to a canal Thomson and driven outside the tank.

The pumped flow of the aerobic chamber 3 to the anoxis mixes with the influential flow and passes to the aerobic chamber 1 on the underside of the rigid wall. Air will be injected at three aerated chambers through diffusers that are fed by an air injection system. A meter will be installed dissolved oxygen in aerobic chamber 3, and through a variator frequency will increase or decrease the concentration of oxygen.

Excess sludge will be removed from the system controlled by a solid meter and a purge device.

All possible variables for adjustment and maintenance will be controlled via telematics to perform control and adjustment operations without the need of personal.

The water line, represented in the figures per continuous line has a flow control flowmeter instantaneous, partial and total, with use of values depending operating cycle by the control logic of operation of the plant.

Description of the drawings

To complete the description that is being performing and in order to help a better understanding of the characteristics of the invention, according to a preferred example of the practical realization of it, is accompanied as an integral part of said description, a set of drawings where with character Illustrative and not limiting, the following has been represented:

Figure 1 shows a diagram of the equipment of proposed debugging, where the continuous line represents the flow of water to purify, the dashed line represents the flow of sludge, and the dotted line and line represents the flow of recirculation.

Figure 2.- shows a diagram of the equipment of proposed debugging, where flows have been represented from it so as in Figure 1.

Figure 3.- shows another scheme of the equipment debugging of the invention, the flows being represented by same way as in the previous figures.

Preferred Embodiment of the Invention

The proposed invention consists of a sequential nutrient purification system with control telematic, in which all the elimination processes are combined of carbonated and nitrogenous matter in a single device allowing achieve high purification yields. In addition, the system allows local and remote control, through visual diagnosis, by radio frequency means, telephones, web pages, emails electronic, etc.

The equipment of the invention comprises a tank prefabricated in rigid material, circular, with a tank concentric interior to said tank. The outer ring of this tank is the biological reactor (7), physically separated into four cameras - aerobic camera (1), aerobic camera (2), aerobic camera (3) and anoxic chamber (4), taking place here the elimination of the carbonated and nitrogenous matter. The separation in chambers of Biological reactor (7) is carried out through rigid walls (9), in each of which establishes the appropriate conditions for the elimination of different nutrients. They have a height less than the height of the reactor (7), so that they allow passage of water from one section to another through open spaces generated by this difference in heights. So arranged vertically inside the reactor, they are placed, just as seen in Figure 3, glued to the top of the reactor (7), or sealed to the hearth, passing water from a chamber to another below or above said walls (9).

Thus, the wall (9) separating the anoxic chamber (4) and aerobic chamber (1) is placed above the hearth of the reactor (7), and at the height of its upper part, of so that there is a space (A) below said wall (9) for the passage of water from the anoxic chamber (4) to the aerobic chamber (1). Y similarly, the separation wall (9) of the aerobic chamber (2) and the aerobic chamber (3) is placed above the hearth of the reactor (7), and at the height of its upper part, leaving a space (A) below the wall (9). And the wall (9) separating the aerobic chamber (1) and aerobic chamber (2) is sealed to the hearth from the reservoir, so that the water overflows through the part upper of said wall (9), leaving a space (A).

The reactor (7) is fed by the upper part with a tube, from a previous process (6), entering directly the water distributed between the anoxic chamber (4) and the aerobic chamber (1), and then passing to the aerobic chamber (2) and a then to the aerobic chamber (3).

The concentric deposit to the reactor (7) is a decanter (10), conical bottom, in which separation occurs solid-liquid There is a tube (11) in the part upper inner of the aerobic chamber (3), which connects the reactor (7) with the decanter (10), and that sends part of the water by gravity from the aerobic chamber (3) to the center of the decanter (10). Saying decanter (10) has a Thomson channel that relieves the decanted water and leads to the outside of the equipment. In the camera aerobic (3) an external outlet (12) has been arranged for part of the water, which is forwarded to the anoxic chamber (4) from the top, what is called anoxis recirculation.

Thus, by the bottom of the wall (9) of separation of the anoxic chamber (4) and the aerobic chamber (1), not only water passes from said anoxic chamber (4) but also passes the water forwarded to the anoxic chamber (4) coming from the recirculation. That is, in the anoxic chamber (4) the water is mixed influential from a previous process (6) and water from recirculation to anoxis.

The sludge that occurs after separation solid-liquid in the decanter (10) is extracted from the reactor, where a part is sent back to the aerobic chamber (1) as recirculation, and the excess is sent to a thickener (5) (purge).

In the system a set of controllers such as pumps, oxygen meters and so on, which are associated to a control system that allows variations in the different parameters automatically and with function telematics, acting at the same time as a registrar and communicator Real time. A system (13) injects air through the bottom of the aerobic cameras (1), (2) and (3), through diffusers (14). A control device regulates the flow rates of water that enter the anoxic chamber (4) and the aerobic chamber (1). Other electronic device associated with the pump (8), regulates the flow of outlet of the recirculation water from the aerobic chamber (3) to the anoxic chamber (4). In the aerobic chamber (3) there is a dissolved oxygen meter that through a variator of frequency allows to vary the concentration of oxygen. A system of extraction (15) arranged in the decanter (10) will send the sludge to thickener (5) or aerobic chamber (1), depending on a meter of solids located in the aerobic chamber (3).

The whole team can be controlled locally and by telematic control, using, for example, visual diagnostic elements, such as screens, monitors, etc., and even with acoustic and luminous signaling elements. Further, such control can be done through web pages, mail electronic, telephone and others.

Claims (17)

1. Sequential nutrient purification system with telematic control, characterized in that it comprises a prefabricated tank preferably in rigid circular material, with an concentric inner tank, where the outer ring is the biological reactor (7) physically separated in four chambers - chamber aerobic (1), aerobic chamber (2), aerobic chamber (3) and anoxic chamber (4) - in which the elimination of carbonated and nitrogenous matter occurs, and where the concentric deposit to the outer ring is a decanter (10 ), with a conical bottom, in which solid-liquid separation occurs, so that the reactor (7) is fed with a tube from the top, from a previous process (6), the water distributed directly between the anoxic chamber (4) and the aerobic chamber (1), and passing from the aerobic chamber (1) to the aerobic chamber (2), and from this, to the aerobic chamber (3), so that part of the water Outbound is sent to recirculation from this aerobic chamber (3) to the anoxic chamber (4) at the top, and the other part of the water passes to the decanter (10) by gravity, leading the decanted water to the outside. 2. Sequential nutrient purification system with telematic control, according to claim 1, characterized in that the physical separation of the biological reactor (7) is carried out through walls (9), in each of which the appropriate conditions for the Elimination of different nutrients. 3. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that the separation walls (9) of the different aerobic (1, 2, 3) and anoxic chambers (4) have a height less than the height of the reactor (7), so that they allow the passage of water from one section to another through the open spaces generated by this difference in heights. 4. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that the separation wall (9) of the anoxic chamber (4) and the aerobic chamber (1) is placed above the reactor floor (7) ), and at the height of its upper part thereof, so that there is a space (A) below said wall (9) for the passage of water from the anoxic chamber (4) to the aerobic chamber (1). 5. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that the wall (9) separating the aerobic chamber (1) and the aerobic chamber (2) is sealed to the hearth of the tank, so that water overflows through the upper part of said wall (9). 6. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that the wall (9) separating the aerobic chamber (2) and the aerobic chamber (3) is placed above the reactor floor (7 ), and at the height of its upper part thereof, so that there is a space (A) below said wall (9) for the passage of water from the aerobic chamber (2) to the aerobic chamber (3). 7. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that there is a tube (11) in the upper inner part of the aerobic chamber (3) that connects the reactor (7) with the decanter (10), thus sending part of the water by gravity to the center of the decanter (10). 8. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that there is an outlet (12) on the outside of the aerobic chamber (3) for the output of part of the water, which is forwarded to the anoxic chamber (4) by the top. 9. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that the decanter (10) has a Thomson channel through which the decanted water is relieved and taken to the outside of the equipment. 10. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that there is an air injection system (13) from the bottom of the aerobic chambers (1), (2) and (3), through of diffusers (14). 11. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that there is a level control device that regulates the water flows that regulates the water flows entering the anoxic chamber (4) and the aerobic camera (1). 12. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that there is an electronic device associated with the pump (8) that regulates the flow rate of the recirculation water from the aerobic chamber (3) to the anoxic chamber ( 4). 13. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that in the aerobic chamber (3) there is a dissolved oxygen meter which, through a frequency inverter, allows the oxygen concentration to be varied. 14. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that there is an extraction system (15) in the decanter (10) that will send the sludge to the thickener (5) or to the aerobic chamber (1), in function of a solid meter located in the aerobic chamber (3). 15. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that all the system controllers, pumps, oxygen meters and others, are associated with a control system that allows variations in the different parameters to be performed automatically. and with telematic function, acting at the same time as a recorder and communicator in real time. 16. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that it has visual diagnostic elements for its control and supervision. 17. Sequential nutrient purification system with telematic control, according to previous claims, characterized in that it has acoustic and luminous signaling elements for its control and supervision.