EP4357557A1 - Method, fluid system and system for cleaning a conrete pump - Google Patents

Abstract

The invention relates to a method for controlling liquid in a building material processing system (1), wherein the building material processing system (1) has at least two components (K), wherein each of the components (K) has a contact surface (A), wherein the contact surfaces (A) come into contact with building material one after the other during building material processing, wherein a first component (K, K1) has a building material pump (2) for conveying building material and a second of the components (K, K2) has a conveyor line (3) for transporting building material out of the building material system (1), wherein the method comprises: applying a first liquid (F1) to the first component (K, K1) in such a way that the contact surface (A) of the first component (K, K1) comes into contact with the first liquid (F1), applying a second liquid (F2) to the second component (K, K1) in such a way that the contact surface (A) of the second components (K, K2) comes into contact with the second liquid (F2), wherein the applying of the first component (K, K1) occurs at a time that overlaps with the application of the second component (K, K2).

Description

FIELD OF APPLICATION AND STATE OF THE ART

The invention relates to a method for, in particular automatically, controlling liquid in a building material processing system, in particular for cleaning the building material processing system and/or for processing building materials using the building material processing system. The invention also relates to a liquid system for controlling liquid in a building material processing system. The invention also relates to a system with such a liquid system and with such a building material processing system.

Building material processing systems typically have several components that come into contact with building material one after the other during building material processing. During building material processing, a flow of building material is usually passed through the building material processing system, with the components that come into contact with the building material one after the other being arranged in the flow of building material in the manner of a series connection. If such a building material processing system is to be cleaned, said components are usually exposed to cleaning fluid in the same order in which they come into contact with building material during building material processing. In other words: the components of such a building material processing system are typically exposed to fluid for cleaning in the order that corresponds to a natural, gravity-driven flow of the fluid.

TASK AND SOLUTION

It is an object of the invention to provide a method for, in particular automatically, controlling liquid in a building material processing system, in particular for cleaning the building material processing system and/or for building material processing by means of the building material processing system, as well as a liquid system for controlling liquid in a building material processing system and a system with such a liquid system and with such a building material processing system, which have improved properties.

This object is achieved by the subject matter of the independent patent claims. Preferred embodiments are the subject matter of the dependent patent claims.

A method according to the invention is used for, in particular, automatic, control of liquid in a building material processing system, in particular for cleaning the building material processing system and/or for building material processing using the building material processing system. The building material processing system has at least two components. Each of the components has a contact surface, wherein the contact surfaces come into contact with building material, in particular in the form of thick material, one after the other during building material processing. During building material processing, a flow of building material can be guided through the building material processing system in which the components are arranged one after the other in the manner of a series connection. "One after the other" in this context can mean that a portion of the flow of building material moving in the flow comes into contact with the components one after the other. "One after the other" in particular does not exclude the possibility that the components in the flow of building material come into contact with building material from different portions of the flow at the same time. The same can apply mutatis mutandis in the present context to other temporal sequences or relationships for coming into contact with building material and/or applying liquid, unless otherwise stated. A first of the components has a building material pump for conveying building material. A second of the components has a conveyor line for transporting building material out of the building material processing system. By means of the conveyor line, building material can be transported out of the building material processing system into a, in particular formwork, casting mold. The method comprises applying a first liquid to the first component in such a way that the contact surface of the first component comes into contact with the first liquid. The method also comprises applying a second liquid to the second component in such a way that the contact surface of the second component comes into contact with the second liquid. The application of the first component overlaps in time, in particular in parallel, with the application of the second component. As a result of such parallelization, the components can be applied with liquid in a different order than they come into contact with building material during building material processing. In other words, the sequence in which the components are exposed to liquid may deviate from a natural, gravity-driven flow of the building material or liquid. By applying liquid to both components in parallel, it is advantageous to avoid building material adhering to one of these components hardening before it can be removed using the liquid. Such hardening of building material on one of the components could otherwise have a detrimental effect on the function of such a component. In the worst case, the component may even become unusable if building material hardens on it.

The term "configured" can be used synonymously for the term "trained".

The term "comprises" or "has" can be used synonymously with the term "comprises".

In this context, “control” can mean “steer” and/or “regulate”.

The building material is preferably a thick material. The thick material can be a paste-like mixture of different materials. The thick material can be mortar, cement, screed or concrete, each in a mixable and/or conveyable state. In the mixable and/or conveyable state, the thick material has not yet hardened or set.

In an embodiment of the invention, the loading of the components is monitored, in particular controlled, by means of a common electrical control device, in particular a control device. The common electrical control device can be a central control device. Error-prone communication between several control devices can thus advantageously be avoided.

In a further embodiment of the invention, a fresh liquid, in particular fresh water, is used at least partially as the first liquid and as the second liquid. Alternatively, a fresh liquid, in particular fresh water, is used entirely as the first liquid and a service liquid, in particular service water, is used at least partially as the second liquid. The use of fresh liquid allows for particularly effective cleaning. The use of service liquid proves to be advantageous from an ecological point of view. In particular, the use of service liquid results in particularly low liquid consumption when carrying out the process.

In a further embodiment of the invention, when the second component is exposed to the second liquid, the second component is additionally exposed to the first liquid in such a way that the contact surface of the second component also comes into contact with the first liquid or a mixture of the first liquid and the second liquid. This results in a particularly advantageous compromise that combines the use of the advantages of using fresh liquid or used liquid mentioned above.

In a further embodiment of the invention, the supply of fresh liquid is carried out by means of a nozzle device. In particular, the nozzle device is assigned to one of the components and arranged at a free distance from the contact surface of this component such that this component is supplied with the fresh liquid across the free distance. In particular, there are several nozzle devices, each of which is assigned to one of the components and through which the fresh liquid flows in parallel or serially. The fresh liquid can be accelerated by means of the nozzle devices, which enables particularly thorough cleaning. Such a nozzle device can have one or more nozzle openings. Such a nozzle opening preferably has a cross section of 0.5 mm ² to 500 mm ² , in particular 1.5 mm ² to 50 mm ² . A pressure of the fresh liquid of 0.3 MPa to 25 MPa, in particular 1.5 MPa to 2.5 MPa, can drop across the nozzle device.

It is advisable to apply the service fluid without the use of nozzles. Otherwise, particles that can be carried along by the service fluid could clog the corresponding nozzle openings. Conversely, the nozzle-free application proves to be particularly robust.

In a further embodiment of the invention, the first liquid and/or the second liquid are at least partially collected as used liquid after the first component and/or second component have been acted upon. Advantageously, very little or even no liquid is lost.

In a further embodiment of the invention, the second liquid is prepared, in particular filtered, before the second component is applied. Alternatively or additionally, the second liquid is temporarily stored in a liquid tank before the second component is applied. The second liquid can be calmed in the liquid tank in order to separate particles and/or foreign substances carried by the second liquid, in particular due to gravity. In particular, such particles and/or foreign substances can float in the liquid tank or settle on the bottom of the liquid tank. The more thoroughly the second liquid is prepared, the better its cleaning effect when the second component is applied.

In a further embodiment of the invention, the second liquid is at least partially circulated in the building material processing system. The second component is preferably placed in a service liquid circuit for the purpose of being supplied with the second liquid. By circulating the second fluid, fluid consumption during the procedure can be reduced.

In a further embodiment of the invention, the building material processing system has at least one further component, the contact surface of which comes into contact with the building material before or after the contact surface of the first and/or second component during the building material processing. The contact surface of this further component is exposed to the first liquid before, after or at the same time as the first component. Alternatively or additionally, the contact surface of this further component is exposed to the second liquid before, after or at the same time as the second component. If the further component is exposed to liquid in parallel to the first two components, premature hardening of the building material on the further component can advantageously be avoided. Conversely, however, a prioritization can also be carried out that determines whether the further component should be exposed to liquid before or after the first and/or second component. The latter case proves to be advantageous if the further component, in contrast to the first and/or second component, can be replaced more cost-effectively or can be freed of hardened building material more cost-effectively.

In a further embodiment of the invention, a first further component has an inlet funnel for receiving the building material to be conveyed upstream of the building material pump. Alternatively or additionally, a second further component has a pump line for connecting the conveying line to the building material pump downstream of the building material pump. Alternatively or additionally, a third further component has a valve device for introducing a media separation device, in particular in the form of a free piston or pig, into the conveying line upstream or downstream of the conveying line. The media separation device can comprise several free pistons or pigs arranged one behind the other. The advantages of parallelization or prioritization already mentioned above can thus be utilized for the other components.

In a further embodiment of the invention, a third component has a building material mixer drum for mixing or blending building material. The third component is subjected to a third liquid after or at an overlapping time, in particular simultaneously or in parallel, when the contact surfaces of the first component and/or the second component are exposed to such an amount that the contact surface of the third component comes into contact with the third liquid. In particular, fresh liquid is used as the third liquid. This means that the third component can also be used for the third Component can take advantage of the previously explained benefits of parallelization or prioritization.

In a further embodiment of the invention, the building material processing system has at least one further component, the contact surface of which comes into contact with building material during building material processing before or after the contact surface of the third component. The contact surface of this further component is exposed to the third liquid before, after or at the same time as the third component. In particular, a fourth further component has an inlet chute for introducing building material into an interior of the building material mixer drum upstream of the building material mixer drum. Alternatively or additionally, a fifth further component has an outlet chute for discharging building material from the interior of the building material mixer drum downstream of the building material mixer drum. Advantageously, a particularly large number of components of the building material processing system can thus be exposed to liquid, which enables multiple utilization of the advantages already explained.

In a further embodiment of the invention, a media separation device, in particular in the form of a free piston or pig, is arranged in the conveyor line. The media separation device can have several free pistons or pigs arranged one behind the other. The media separation device is adjusted by applying pressure to the conveyor line. In particular, by adjusting the media separation device, existing building material in the conveyor line is displaced by means of the media separation device. In this way, the conveyor line can be cleaned particularly thoroughly.

A liquid system according to the invention is used to control liquid in a building material processing system. The liquid system has a first application device for applying a first liquid to a first component of the building material processing system. The liquid system also has a second application device for applying a second component of the building material processing system with a second liquid. The liquid system also has an electrical control device which is set up to carry out a method according to the invention as described above. The application devices can be controlled by means of the electrical control device in such a way that the first component can be applied with the first liquid and the second component with the second liquid at an overlapping time, in particular in parallel. The advantages of the method according to the invention mentioned above also apply to the liquid system according to the invention.

A system according to the invention has a liquid system according to the invention as described above. In addition, the system has the building material processing system. The advantages of the liquid system according to the invention explained above also apply to the system according to the invention with such a liquid system.

BRIEF DESCRIPTION OF THE DRAWINGS

Further advantages and features of the invention emerge from the claims and from the following description of preferred embodiments of the invention, which are illustrated with reference to the drawings. The same reference numerals refer to the same or similar or functionally identical components.

Fig. 1

zeigt in einem schematischen Schaltplan eine Ausführungsform eines erfindungsgemäßen Systems mit einem gemäß der Erfindung ausgeführten Flüssigkeitssystem und mit einem Baustoffverarbeitungssystem, welches zur Durchführung eines erfindungsgemäßen Verfahrens eingerichtet ist,

Fig. 2

in schematischem Schaltplan eine weitere Ausführungsform des erfindungsgemäßen Systems mit einem weiteren gemäß der Erfindung ausgeführten Flüssigkeitssystem und mit einem Baustoffverarbeitungssystem, welches zur Durchführung des erfindungsgemäßen Verfahrens eingerichtet ist,

Fig. 3

eine schematische Übersicht einer weitere Ausführungsform des erfindungsgemäßen Systems mit einem weiteren gemäß der Erfindung ausgeführten Flüssigkeitssystem und mit einem Baustoffverarbeitungssystem, welches zur Durchführung des erfindungsgemäßen Verfahrens eingerichtet ist, und

Fig. 4

eine schematische Übersicht einer weiteren Ausführungsform des Systems mit einem Flüssigkeitssystem und mit einem Baustoffverarbeitungssystem.

It is understood that the features mentioned above and those to be explained below can be used not only in the combination specified in each case, but also in other combinations or on their own, without departing from the scope of the present invention.

Fig.1

shows in a schematic circuit diagram an embodiment of a system according to the invention with a liquid system designed according to the invention and with a building material processing system which is set up to carry out a method according to the invention,

Fig. 2

in a schematic circuit diagram a further embodiment of the system according to the invention with a further liquid system designed according to the invention and with a building material processing system which is set up to carry out the method according to the invention,

Fig. 3

a schematic overview of a further embodiment of the system according to the invention with a further liquid system designed according to the invention and with a building material processing system which is set up to carry out the method according to the invention, and

Fig.4

a schematic overview of another embodiment of the system with a liquid system and with a building material processing system.

DETAILED DESCRIPTION OF THE EXAMPLES

A system 200 according to the invention has a liquid system 100 for controlling liquid in a building material processing system 1. The building material processing system 1 is also a functional component of the system 200. The liquid system 100 has a first application device 101. The first application device 101 serves to apply a first liquid F1 to a first component K, K1 of the building material processing system 1. The liquid system 100 also comprises a second application device 102. The second application device 102 serves to apply a second component K, K2 of the building material processing system 1 with a second liquid F2. The liquid system 100 also has an electrical control device 20. The electrical control device 20 is set up to carry out a method according to the invention. The application devices 101, 102 can be controlled by means of the electrical control device 20 in such a way that the first component K, K1 can be supplied with the first liquid F1 and the second component K, K2 can be supplied with the second liquid F2 at an overlapping time. For example, the first component K, K1 and the second component K, K2 can be supplied with the respective liquid F1, F2 in parallel. The liquid system 100 in this case also has a distribution unit 9. The distribution unit 9 can be designed as a valve unit. The distribution unit 9 can be controlled, for example, by means of the control device 20. The first application device 101 can have a first liquid pump for conveying the first liquid F1. The second application device 102 can have a second liquid pump for conveying the second liquid F2.

The method according to the invention serves to control liquid in the building material processing system 1. For example, liquid in the building material processing system 1 can be automatically controlled by means of the method. Controlling the liquid by means of the method serves, for example, to clean the building material processing system 1. Alternatively or additionally, the liquid can be controlled by means of the method for building material processing using the building material processing system 1. The two components K of the building material processing system 1 each have a contact surface A. The contact surfaces A come into contact with building material one after the other during building material processing. The building material can be in the form of thick material. A first of the components K, K1 has a building material pump 2 for conveying building material. A second of the components K, K2 has a conveyor line 3 for transporting building material out of the building material processing system 1.

According to the method, the first component K, K1 is exposed to the first liquid F1. The first component K, K1 is exposed to the first liquid F1 in such a way that the contact surface A of the first component K, K1 comes into contact with the first liquid F1. According to the method, the second component K, K2 is also exposed to the second liquid F2. The second component K, K2 is exposed to the second liquid F2 in such a way that the contact surface A of the second component K, K2 comes into contact with the second liquid F2. "Coming into contact" means that the respective contact surface A is wetted with the respective liquid F1, F2. By applying the liquid, any building material adhering to the respective contact surface A can be washed off. According to the method, the exposure of the first component K, K1 takes place at an overlapping time, for example in parallel, with the exposure of the second component K, K2.

For example, the application of the components K, K1, K2 is controlled by means of the common electrical control device 20. The electrical control device 20 can be designed as a control device. For example, the application of the components K, K1, K2 can be controlled by means of the electrical control device 20. For example, a fresh liquid FF, in particular fresh water, is used at least partially as the first liquid F1 and as the second liquid F2. Alternatively, a fresh liquid FF, in particular fresh water, is used entirely as the first liquid F1 and a service liquid BF, in particular service water, is used at least partially as the second liquid F2. For example, when the second component K, K2 is applied with the second liquid F1, the second component K, K2 is additionally applied with the first liquid F1 in such a way that the contact surface A of the second component K, K2 also comes into contact with the first liquid F1 or a mixture of the first and second liquids F1, F2.

The application of fresh liquid FF is carried out, for example, by means of a nozzle device 16. The nozzle device 16 can be assigned to one of the components K. The nozzle device 16 can be arranged at a free distance from the contact surface A of this component K, so that this component K is exposed to the fresh liquid FF over the free distance. In this case, several nozzle devices 16 can be present, each of which is assigned to one of the components K and through which the fresh liquid FF flows in parallel or in series. The nozzle device 16 can have one or more nozzle openings. In contrast, the application of service liquid BF can take place without nozzles. Each nozzle device 16 can have one or more nozzle openings 17. Such a nozzle opening of the nozzle device 16 preferably has a cross section of 0.5 mm ² to 500 mm ² , in particular 1.5 mm ² to 50 mm ² . A pressure of the fresh liquid FF of 0.3 MPa to 25 MPa, in particular of 1.5 MPa to 2.5 MPa, can drop via the nozzle device 16.

The first liquid F1 is, for example, at least partially collected as service liquid BF after the first component K, K1 has been acted upon. Alternatively or additionally, the second liquid F2 can be at least partially collected as service liquid BF after the second component K, K2 has been acted upon. If the second component K, K2 is acted upon by both the first liquid F1 and the second liquid F2, the first liquid F1 and the second liquid F2 can be collected together at least partially as service liquid BF after the second component K, K2 has been acted upon. In other words: after the liquid F1, F2 flows off the contact surface A of one of the components K, this flowing liquid F1, F2 can be at least partially collected as service liquid BF.

For example, the second liquid F2 is prepared before the second component K, K2 is applied. This preparation can be carried out, for example, by filtering. Alternatively or additionally, the second liquid F2 is temporarily stored in a liquid tank 18 before the second component K, K2 is applied. The liquid tank 18 can function as a settling tank in which particles and/or foreign substances carried by the second liquid F2 can settle. The second liquid is, for example, at least partially circulated in the building material processing system 1. For this purpose, the second component K, K2 can be integrated into a service liquid circuit BK in order to be applied with the second liquid F2.

The building material processing system 1 has at least one further component K'. The further component K' has a contact surface A which, during the building material processing, comes into contact with the building material before or after the contact surface A of the first and - alternatively or additionally - the second component K, K1, K2. With regard to a flow of building material guided through the building material processing system 1 during the building material processing, the further component K' can therefore be arranged upstream of the first component K, K1. Alternatively, the further component K' can be arranged downstream of the first component K, K1. The further component K' can be arranged upstream of the second component K, K2. Alternatively, the further component K' can be arranged downstream of the second component K, K2. The further component K' can be arranged between the first and the second component K, K1, K2 with regard to the flow of building material. Alternatively, the first component K, K1 can be arranged between the further component K' and the second component K, K2. It is also conceivable that the second component K, K2 is arranged between the further component K' and the first component K, K1 with regard to the flow of building material. For example, the contact surface A of the further component K' is exposed to the first liquid F1 before, after or at the same time as the first component K1. Alternatively or additionally, the contact surface A of the further component K' is exposed to the second liquid F2 before, after or at the same time as the second component K, K2.

For example, a first further component K', K'1 has an inlet funnel 4. The inlet funnel 4 serves to receive building material to be conveyed upstream of the building material pump 2. Alternatively or additionally, a second further component K', K'2 has a pump line 5 for connecting the delivery line 3 to the building material pump 2 downstream of the building material pump 2. Alternatively or additionally, a third further component K', K'3 has a valve device 15. The valve device 15 serves, for example, to introduce a media separation device M, which can be in the form of a free piston or a pig. The media separation device M can have several free pistons or pigs arranged one behind the other. The media separation device M can be introduced into the delivery line 3 by means of the valve device 15. The valve device 15 is arranged, for example, upstream or downstream of the delivery line 3.

For example, a third component K, K3 is present which has a building material mixer drum 6 for mixing building material. The third component K, K3 is, for example, subjected to a third liquid F3 after or at an overlap, in particular simultaneously, when the contact surface A of the first component K, K1 is exposed to it. Alternatively or additionally, the third component K, K3 is subjected to a third liquid F3 after or at an overlap, in particular simultaneously, when the contact surface A of the second component K, K2 is exposed to it. The third component K, K3 is exposed to the third liquid F3 in such a way that the contact surface A of the third component K, K3 comes into contact with the third liquid F3. Fresh liquid FF can be used as the third liquid F3.

For example, the building material processing system 1 has at least one further component K', the contact surface A of which comes into contact with the building material during the building material processing before or after the contact surface A of the third component K, K3. The contact surface A of this further component K' is thereby exposed to the third liquid F3 before or after or at the same time as the third component K, K3. For example, a fourth further component K', K'4 can have an inlet chute 7 for introducing building material into an interior of the building material mixer drum 6, wherein the inlet chute 7 is arranged upstream of the building material mixer drum 6. Alternatively or additionally, a fifth further component K', K'5 can have an outlet chute 8 for discharging building material from the interior of the building material mixer drum 6, which is arranged downstream of the building material mixer drum 6. A nozzle device 16 can be arranged on the inlet chute 7, which is designed to be ring-shaped, for example. Such an annular nozzle device 16 can also be arranged on the outlet chute 8. In addition, a lance-shaped, in particular length-variable, nozzle device 16 can be present, which projects into the interior of the building material mixer drum 16.

For example, a media separation device M is arranged in the conveyor line 3. The media separation device M can be in the form of a free piston or a pig. The media separation device M can have several free pistons and/or pigs arranged one behind the other. The media separation device M is adjusted by applying pressure to the conveyor line 3. By adjusting the media separation device M, building material present in the conveyor line can be displaced by means of the media separation device M. Thus, building material present in the conveyor line 3 can be pushed outwards from the conveyor line 3 by means of the media separation device M.

According to Fig.1 the first loading device 101 is fluidly connected to a liquid supply FV. The liquid supply FV provides first liquid F1 in the form of fresh liquid, which can be conveyed to the distribution device 9 by means of the first loading device 101. At the distribution device 9, the fresh liquid FF can be distributed to the first component K, K1 and to further components K'. In addition, the fresh liquid FF can be used for a pumping process P by means of the distribution device 9. The fresh liquid FF can be used in the pumping process P, for example, to mix a pumping slurry, for example based on cement. By means of the pumping slurry, a sliding layer can be created on the inside of/in the conveyor line 3, which simplifies conveying the thick material through the conveyor line 3, in particular during an initial phase of conveying.

The building material pump 2 of the first component K, K1 can have delivery cylinders with variable volume delivery chambers. To change the volumes of the delivery chambers, in particular in opposite directions, the delivery cylinders can each have an adjustable delivery piston. The building material pump 2 can also comprise an S-shaped S-pipe, which is connected at one end in a fluid-conducting manner to a pressure nozzle acting as a pump outlet. The S-pipe can be placed in a storage chamber that can be filled with building material from above for storing of building material. The S-pipe can be rotatably mounted at one end on the pressure nozzle within the storage chamber. The variable-volume conveying chambers can open into the storage chamber. The S-pipe can be pivoted in the storage chamber relative to the conveying chambers in such a way that it can be alternately connected to one of the conveying chambers in a fluid-conducting manner. In this way, due to the counteraction of the pivoting of the S-pipe and a change in the volume of the conveying chambers, building material in the storage chamber can be alternately sucked in by means of the conveying chambers and pumped out via the conveying chambers through the S-pipe and via the pressure nozzle. An agitator can be arranged in the storage chamber of the building material pump 2.

According to Fig.1 the fresh liquid FF is collected as a second liquid F2 in the form of service water BF after the first component K, K1 and the other components K' have been charged. This service water BF is fed to the service water circuit BK after collection. After the service liquid BF has been collected, the service liquid BF in the service liquid circuit BK passes successively into two treatment facilities 30. The Fig.1 The processing device 30 shown at the top right can comprise a collecting tank and/or a filter device which serve to separate particles and/or foreign substances from the service liquid BF. In the Fig.1 The processing device 30 shown on the left can be a service liquid pump. The service liquid BF can be conveyed in the service liquid circuit BK by means of the service liquid pump. The service liquid pump can feed the service liquid BF to the second loading device 102. The second loading device 102 can be in the form of a further liquid pump, the functional principle of which corresponds to that of the building material pump 2. The liquid tank 18 for temporarily storing the service liquid BF can be arranged on the second loading device 102. A hydraulic unit HA can be provided to drive the further liquid pump forming the second loading device 102. The second component K, K2 can be loaded with service liquid BF by means of the second loading device 102. Downstream of the second component K, K2, according to Fig.1 the service fluid BF is fed back into the service fluid circuit BK.

The example according to Fig.2 differs from that according to Fig.1 in particular in that the second loading device 102 provides only a single liquid pump for conveying the service liquid BF in the service liquid circuit BK. In addition, the liquid tank 18 is arranged on the processing device 30. According to Fig. 2 the treatment device 30 and the second loading device 102 can form a service liquid system, which can be enclosed by a rectangular The service fluid system can be designed separately from the other functional components of the system 200. In particular, the service fluid system can belong to an infrastructure that is stationary at a building material processing location. Fig. 2 also shows that by means of the second application device 102 the service liquid BF can be supplied to the building material pump 2 in order to be conveyed to the second component K, K2 by means of the building material pump 2 and to apply pressure to the contact surface A of the second component K, K2.

According to the embodiment according to Fig.3 the electrical control device 20 is connected to the first and second application devices 101, 102 in order to monitor, in particular to control, the two application devices 101, 102. The second application device 102 is arranged in the service fluid circuit BK downstream of a fluid tank 18 and upstream of a valve device 15 acting as a third further component K', K'3. The first application device 101 is used to supply the first further component K', K'1, the third component K, K3 and the fourth and fifth further components K', K'4, K'5 with fresh fluid FF. The second application device 102 can be used to supply service fluid BF to a media separation device M introduced into the delivery line 3 by means of the valve device 15 in order to adjust the media separation device M. Liquid F1, F2, F3 leaving all components K, K' can be collected as service liquid BF.

According to Fig.4 the third component K, K' as well as the first further component K', K'1 and the first component K, K1 can be supplied with fresh liquid FF in parallel - ie simultaneously. The second further component K', K'2, the third further component K', K'3 and the second component K, K2 are arranged downstream of the first component K, K1. The fourth and fifth further components K', K'4, K'5 can be arranged downstream of the third component K, K3. The first supply device 101 can be connected to the electrical control device 20 for control purposes. A distribution system 201 can be arranged at the end of the conveying line 3 facing away from the building material pump 2, which serves to distribute the conveyed building material. For example, the conveyed building material can be distributed to formwork molds using the distribution system 201.

Claims (15)

Method for, in particular automatically, controlling liquid in a building material processing system (1), in particular for cleaning the building material processing system (1) and/or for building material processing by means of the building material processing system (1), - wherein the building material processing system (1) has at least two components (K), wherein each of the components (K) has a contact surface (A), wherein the contact surfaces (A) come into contact with building material, in particular in the form of thick material, one after the other during the building material processing, - wherein a first of the components (K, K1) has a building material pump (2) for conveying building material and a second of the components (K, K2) has a conveying line (3) for transporting building material out of the building material processing system (1), the method comprising: - applying a first liquid (F1) to the first component (K, K1) such that the contact surface (A) of the first component (K, K1) comes into contact with the first liquid (F1), - applying a second liquid (F2) to the second component (K, K2) such that the contact surface (A) of the second component (K, K2) comes into contact with the second liquid (F2), - wherein the loading of the first component (K, K1) occurs at the same time as, in particular in parallel with, the loading of the second component (K, K2). Method according to the preceding claim,
wherein the loading of the components (K, K1, K2) is monitored, in particular controlled, by means of a common electrical control device (20), in particular control device. Method according to one of the preceding claims, - wherein at least partially a fresh liquid (FF), in particular fresh water, is used as the first and second liquid (F1, F2), or - wherein a fresh liquid (FF), in particular fresh water, is used entirely as the first liquid (F1), and a service liquid (BF), in particular service water, is used at least partially as the second liquid (F2). Method according to one of the preceding claims,
wherein when the second component (K, K2) is exposed to the second liquid (F2), the second component (K, K2) is additionally exposed to the first liquid (F1) such that the contact surface (A) of the second component (K, K2) additionally comes into contact with the first liquid (F1) or a mixture of the first and second liquid (F1, F2). Method according to one of the preceding claims, - the application of fresh liquid (FF) is carried out by means of a nozzle device (16), - in particular, wherein the nozzle device (16) is assigned to one of the components (K) and is arranged at a free distance from the contact surface (A) of this component (K) such that this component (K) is exposed to the fresh liquid (FF) over the free distance, - in particular wherein a plurality of nozzle devices (16) are present, each of which is assigned to one of the components (K) and through which the fresh liquid (FF) flows in parallel or in series. Method according to one of the preceding claims,
wherein the first and/or the second liquid (F1, F2) are at least partially collected as service liquid (BF) after the first and/or second component (K, K1, K2) has been acted upon. Method according to one of the preceding claims,
wherein the second liquid (F2) is processed, in particular filtered, and/or temporarily stored in a liquid tank (18) before being applied to the second component (K, K2). Method according to one of the preceding claims, - wherein the second liquid (F2) is/is at least partially circulated in the building material processing system (1), - in particular wherein the second component (K, K2) is/is integrated into a service liquid circuit (BK) for its exposure to the second liquid (F2). Method according to one of the preceding claims, - wherein the building material processing system (1) has at least one further component (K`) whose contact surface (A) comes into contact with building material during building material processing before or after the contact surface (A) of the first and/or the second component (K, K1, K2), - wherein the contact surface (A) of this further component (K`) is exposed to the first liquid (F1) before, after or at the same time as the first component (K1) and/or wherein the contact surface (A) of this further component (K`) is exposed to the second liquid (F2) before, after or at the same time as the second component (K, K2). Method according to the preceding claim, - wherein a (first) further component (K', K'1) has an inlet hopper (4) for receiving building material to be conveyed upstream of the building material pump (2); and/or - wherein a (second) further component (K', K`2) has a pump line (5) for connecting the delivery line (3) to the building material pump (2) downstream of the building material pump (2); and/or - wherein a (third) further component (K', K'3) has a valve device (15) for introducing a media separation device (M), in particular in the form of a free piston or pig, into the conveyor line (3) upstream or downstream of the conveyor line (3). Method according to one of the preceding claims, - wherein a third component (K, K3) has a building material mixer drum (6) for mixing building material, - wherein the third component (K, K3) is subjected to a third liquid (F3) after or overlapping with the contact surfaces (A) of the first and/or the second component (K, K1, K2), in particular simultaneously, such that the contact surface (A) of the third component (K, K3) comes into contact with the third liquid (F3), - in particular wherein fresh liquid (FF) is used as the third liquid (F3). Method according to the preceding claim, - wherein the building material processing system (1) has at least one further component (K`), the contact surface (A) of which is located before or during the building material processing comes into contact with the building material after the contact surface (A) of the third component (K, K3), - wherein the contact surface (A) of this further component (K`) is exposed to the third liquid (F3) before, after or at the same time as the third component (K, K3), - in particular wherein a (fourth) further component (K', K`4) has an inlet chute (7) for introducing building material into an interior of the building material mixer drum (6) upstream of the building material mixer drum (6) and/or a (fifth) further component (K`, K`5) has an outlet chute (8) for discharging building material from the interior of the building material mixer drum (6) downstream of the building material mixer drum (6). Method according to one of the preceding claims, - wherein a media separation device (M), in particular in the form of a free piston or pig, is arranged in the conveying line (3), - wherein the media separation device (M) is adjusted by applying pressure to the conveying line (3), - in particular, wherein by adjusting the media separation device (M) in the conveyor line (3) existing building material is displaced by means of the media separation device (M). Fluid system (100) for controlling fluid in a building material processing system (1), the fluid system (100) comprising: - a first application device (101) for applying a first liquid (F1) to a first component (K, K1) of the building material processing system (1), - a second application device (102) for applying a second liquid (F2) to a second component (K, K2) of the building material processing system (1), - an electrical control device (20) which is arranged to carry out a method according to one of the preceding claims, - wherein the application devices (101, 102) can be controlled by means of the electrical control device (20) such that the first component (K, K1) can be applied with the first liquid (F1) and the second component (K, K2) can be applied with the second liquid (F2) in a temporally overlapping manner, in particular in parallel. System (200), comprising - a fluid system (100) according to the preceding claim and - the building material processing system (1).

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