DE102016015786B4 - Rainwater collection screen for a water treatment system and its use - Google Patents

Abstract

Rainwater collection screen (27) for a water treatment system for stationary or mobile use, in particular for countries with high rainfall and intense solar radiation, comprising a drinking water container or drinking water tank (1) and a control unit, the rainwater collection screen (27) having a control unit can be extended or retracted and is provided for collecting rainwater and/or condensation water which can be fed to the drinking water container or drinking water tank (1); characterized in that the rainwater collecting screen (27) has a fabric on the underside which is laminarly connected to the screen covering (38) and the fabric (38) consists of a hollow-fiber fabric or is knitted and/or connected to a network of hollow fibers, with a coolant flowing through the hollow fibers.

Description

The invention relates to a rainwater collection screen for a water treatment system for stationary or mobile use, in particular for countries with high rainfall and intense solar radiation, comprising a drinking water container or drinking water tank and a control unit, the rainwater collection screen being extendable or retractable via a control unit and is provided for collecting rainwater and/or condensed water, which can be fed to the drinking water container or drinking water tank, and its use.

Certain groups of infectious diseases are spread by insufficiently purified water. Drinking water contaminated with pathogenic germs, bacteria and microorganisms cannot be cleaned using normal filter technology. A mobile way of cleaning contaminated drinking water is through electrochemical or electrolytic sterilization. Electrical voltage between electrodes, which must be conductive and corrosion-resistant, forms chlorine compounds that kill pathogenic germs, bacteria and microorganisms.

A disadvantage of this sterilization process is that a suitable sterilization method is only possible if electrical energy is available. In some countries, where access to electricity is limited but sterilization and treatment of drinking water is vital, electrolysis cannot be used as a sterilization method.

In areas with large seasonal climate differences and water scarcity, water extraction is therefore of great importance. Disinfection, sterilization and treatment of the water obtained, for example water condensed from the air as well as surface, spring or well water, is also of great interest. If energy is available, an electrochemical or electrolytic sterilization method can be used to sterilize and treat the drinking water.

From the DE 20 2014 006 596 U1 a container device for water is known, which is provided for receiving, storing and removing water, in particular rainwater or river water. The special feature of this container device is that the flexible wall is designed to be foldable.

From the WO 2016/092567 A1 a rainwater collector is known, which is only intended to collect rainwater and can also be equipped with solar collectors.

From the DE 10 2006 053 530 A1 a screen with a cooling device for influencing a microclimate is known. In this case, an umbrella with at least one upright and at least one umbrella surface is used, the umbrella having a cooling device for influencing the microclimate and at least one fan being arranged on the umbrella as a cooling device.

From the DE 10 2012 021 255 A1 a parasol is known, which is also provided for collecting rainwater, which can be collected in a container, the container simultaneously forming the base of the parasol.

The object of the present invention is to supply water to a water treatment system for stationary or mobile use, in particular for countries with high rainfall and intensive solar radiation.

According to the invention, in order to achieve the object, the underside of the rainwater collection umbrella has a fabric that is laminarly connected to the umbrella fabric and the fabric consists of a hollow-fiber fabric or is knitted and/or connected to a network of hollow fibers, with a coolant passing through the hollow fibers flows.

Further advantageous configurations of the invention are contained in the dependent claims.

With a rainwater collection screen, the possibility can be created in a water treatment system to be self-sufficient by treating rainwater and condensed water from the air and to use an electrochemical process for sterilization and disinfection by using renewable energies. Another advantage of the rainwater collection screen is that it protects the electrical regulation and control units from overheating in the event of extreme solar radiation at midday, but also prevents the bunkered drinking water from overheating.

Furthermore, the rainwater collection umbrella can have a flexible and at least single-walled drain pipe to introduce the collected rainwater and/or condensation water directly into the drinking water tank via a mobile, regenerable mixed-bed filter (quartz sand/activated carbon). To avoid overflowing, there is a connection for a drain pipe above the drinking water tank tion provided, which initiates the excess rainwater in heavy rainfall for other reuse in a buffer tank as an intermediate storage.

The underside of the rainwater collection umbrella has a fabric that is laminarly connected to the umbrella fabric. Advantageously, the fabric is knitted and bonded to a network of hollow fibers through which a refrigerant, for example R-744, is pumped. R-744 does not contribute to ozone depletion and has a much lower global warming potential than conventional refrigerants such as fluorocarbons. The heat pump required for this is integrated in a control cabinet.

In order to protect the rainwater collection screen from damage during a storm and to activate it for water production in the event of precipitation, the rainwater collection screen can preferably be equipped with at least one wind speed sensor and/or at least one rainwater sensor in order to promptly collect the rainwater via a control unit -Open or close the catch screen.

If precipitation is signaled via a rainwater sensor, the rainwater collection screen opens with the help of a servo actuator. The wind speed sensor closes the rainwater collection screen, preferably during a storm, places the closed screen in a vertical position and lowers it automatically via a servo-actuator and telescopic tube rods. This position is advantageous and useful for cleaning and maintenance work to avoid damage.

In a further embodiment, the upper side of the rainwater collection screen can be equipped with flexible solar modules for generating energy.

In another aspect of the preferred embodiment, at least one electrolytic cell is provided, which can be arranged between the drinking water tank and the mixed-bed filter. The electrolytic cell consists of a flat grid anode, which is arranged in the middle and standing vertically parallel to a sheet titanium cathode, so that the rainwater/condensed water inflow flows through the electrical field between the anode and cathode.

The possibility of obtaining the required water from nature is particularly advantageous here. The rainwater collection umbrella is connected to a storage tank, drinking water tank or a tanker with a drain line.

In order to solve the process task, it is provided for collecting rainwater and/or condensation water and for supplying it to a drinking water tank that the rainwater collection screen has a fabric on the underside which is laminarly connected to the screen covering and which is knitted and/or connected to a network of hollow fibers , through which a refrigerant flows, whereby a heat pump is required to extract the water from the air (condensation water). The heat pump can also be connected to the control unit.

A mixed-bed filter arranged in the discharge line can filter out particles, foreign bodies and foreign matter from the collected water. Advantageously, a second electrolytic cell can be arranged in the drain line in order to sterilize and disinfect the filtered water again.

The invention is explained in more detail below with reference to the figures.

• 1 in einer schematischen Ansicht den Regenwasser-Auffangschirm mit den Hauptkomponenten und
• 2 in einer schematischen Ansicht den Regenwasser-Auffangschirm.

It shows

• 1 in a schematic view the rainwater collection umbrella with the main components and
• 2 a schematic view of the rainwater collection umbrella.

1 shows the main components of the invention. In a preferred embodiment, the energy and water supply system is operated completely autonomously via sensors and control units. The drinking water tank 1 is a food-safe tank made of, for example, polyethylene with FDA approval (FDA = Food and Drug Administration; Authority for Food and Drugs) and with a steel frame, for example a 1000 m3 IVC standard tank (IVC = Industry Association chemical fibers eV). A smaller or larger tank is also possible, in which water can be conserved in drinking quality.

In this exemplary embodiment, the drinking water tank 1 can be filled with pre-filtered drinking water or rainwater or condensed water via a filler neck or inlet 9 .

A preferred embodiment of the rainwater collection screen 27 is in the 2 shown. Rainwater harvesting is of great importance, especially in areas with large seasonal climate differences and water scarcity, because in water-scarce regions of the world every liter of drinking water collected counts and usually solar energy and/or high humidity are sufficient is available to the appropriate extent. This also applies to the extraction of water from the air (condensate).

The rainwater collection umbrella 27 is a specially coated, self-cleaning umbrella with a lotus effect. The top of the rainwater collection umbrella is fitted with flexible solar modules 37 for further energy generation. The rainwater collecting umbrella 27 is held by an umbrella stand 29, which is motor-controlled.

To obtain water from the air (condensate), the rainwater collection screen 27 has a special cooling fabric 38 on the underside that is laminarly connected to the screen fabric. The cooling fabric 38 is knitted and bonded with a network of hollow fibers through which a refrigerant (R-744, CO ₂ ) is pumped. R-744 does not contribute to ozone depletion and has a much lower global warming potential than conventional refrigerants such as fluorocarbons. The heat pump 39 required for this is housed in a control cabinet 30 and is supplied with energy. The microprocessor, integrated in the control cabinet 10, also controls all relevant operating data for this and only switches on the heat pump 39 at night and when there is no rain, above a defined temperature difference.

The collected rainwater and/or condensed water is fed directly into the drinking water tank 1 with a flexible and at least double-walled drain line 28 through a regenerable mixed-bed filter 26 (quartz sand/activated carbon). To avoid overflowing, an overflow 36 for a drain line 28 is provided above the drinking water tank 1, which initiates the excess rainwater in heavy rainfall for other purposes or reuse in a buffer tank as an intermediate storage.

An electrolytic cell 35 integrated in mixed operation (tank, well, rain, condensed water) consists of a flat grid anode, which is arranged in the middle and standing vertically parallel to a titanium sheet metal cathode, so that the rain or condensed water inflow forms the electric field flows between the anode and cathode. The energy is supplied via the control cabinet 10 and is provided via a humidity/rainwater sensor 31 2 activated. If precipitation is signaled via the humidity/rainwater sensor 31, the rainwater collection screen 27 opens with the aid of a servomotor 32, which is operated via an external power supply. A wind speed sensor 33 closes the rainwater collection screen 27 via a servo-motor 34 to prevent damage in a storm, and places the closed screen in a vertical position and moves it automatically via the servo-motor 34 and a telescopic tube rod 40 down to a zero position, which is also useful for cleaning and maintenance work.

Another advantage of the rainwater collection screen 27 is that it protects against overheating of the electrical regulation and control units in the event of extreme solar radiation at midday, but also against overheating of the bunkered drinking water.

Reference List

1

drinking water tank

9

Filler neck or inlet

10

switch cabinet

21

Closing and/or shut-off valve

26

mixed bed filter

27

rainwater collection screen

28

drain line

29

umbrella stand

30

switch cabinet

31

Humidity/rainwater sensor

32

Servomotor for rainwater collection screen

33

Wind speed sensor

34

servo actuator

35

electrolytic cell

36

overflow

37

solar panel

38

tissue

39

heat pump

40

Telescopic tube linkage

Claims (18)

Rainwater collection screen (27) for a water treatment system for stationary or mobile use, in particular for countries with high rainfall and intense solar radiation, comprising a drinking water container or drinking water tank (1) and a control unit, the rainwater collection screen (27) having a control unit can be extended or retracted and is provided for collecting rainwater and/or condensation water, which can be fed to the drinking water container or drinking water tank (1); characterized in that the rainwater collection screen (27) on the underside with the Umbrella covering has laminarly connected fabric (38) and the fabric (38) consists of a hollow fiber fabric or is knitted and/or connected to a network of hollow fibers, with a refrigerant flowing through the hollow fibers. rainwater collection screen (27). claim 1 , characterized in that the rainwater collecting screen (27) has a flexible, at least single-walled drain line (28) to the drinking water tank (1). rainwater collection screen (27). claim 2 , characterized in that a mixed-bed filter (26) is arranged in the discharge line (28). rainwater collection screen (27). claim 3 , characterized in that the rainwater collecting screen (27) has at least one electrolytic cell (35) which is arranged between the drinking water tank (1) and the mixed-bed filter (26). Rainwater collection umbrella (27) according to one of claims 2 until 4 , characterized in that the rainwater collecting screen (27) to prevent overflow above the drinking water tank (1) has an overflow (36) on the drain line (28). Rainwater collection screen (27) according to one of Claims 1 until 5 , characterized in that the rainwater collecting screen (27) for obtaining the water from the air (condensation) has a heat pump (39). rainwater collection screen (27). claim 6 , characterized in that the heat pump (39) is connected to the hollow fiber fabric. Rainwater collection screen (27) according to one of Claims 1 until 7 , characterized in that the upper side of the rainwater collecting screen (27) is equipped with flexible solar modules (37) for generating energy. Rainwater collection umbrella (27) according to one of Claims 1 until 8th , characterized in that the rainwater collecting screen (27) can be connected to an external power supply for the energy supply. Rainwater collection umbrella (27) according to one of Claims 1 until 9 , characterized in that the rainwater collecting screen (27) is equipped with at least one servomotor (34) and/or at least one telescopic pipe rod (40). Rainwater collection umbrella (27) according to one of Claims 1 until 10 , characterized in that the rainwater collecting screen (27) is equipped with at least one wind speed sensor (33) and/or at least one rainwater sensor (31). Use of a rainwater collection umbrella (27) for a water treatment system according to one of Claims 1 until 11 for collecting rainwater and/or condensed water and for supplying it to a drinking water tank (1), characterized in that the rainwater collecting screen (27) has on the underside a fabric (38) which is laminarly connected to the screen covering and which is covered with a network of hollow fibers is forfeited and / or connected, through which a refrigerant flows. Use of a rainwater catch screen (27). claim 12 , characterized in that the rainwater collection screen (27) and a heat pump (39) water from the air (condensation) is obtained, wherein the heat pump (39) is connected to a control unit. use after claim 12 or 13 , characterized in that the water collected by the rainwater collecting screen (27) is disinfected and sterilized by at least one electrolytic cell (35) which is arranged between the drinking water tank (1) and a mixed-bed filter (26). Use after one of Claims 12 until 14 , characterized in that the rainwater collection screen (27) is operated via an external power supply. Use after one of Claims 12 until 15 , characterized in that the rainwater collecting screen (27) is extended or retracted by means of a servomotor (32). Use after one of Claims 12 until 16 , characterized in that the rainwater collecting screen (27) has a wind speed sensor (33) and is automatically retracted via a servomotor (32) to protect against damage in the event of a storm. Use after one of Claims 12 until 17 , characterized in that the rainwater collecting screen (27) is activated via a humidity/rainwater sensor (31).

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