DE102009026039A1 - System for cleaning and disinfection of e.g. pipes, has flushing pipe including liquid connector, where flushing pipe and compressed air connector are arranged in pipe attachment that is connected with pipe by adapter - Google Patents

Abstract

The system has an aerosol-nebula-producer (3a) arranged in a pipe attachment (2) such that nebula-jet (4) produced by the producer is aligned in a pipe (1). The producer includes a compressed air stream device (3b), where the pipe is connected with the pipe attachment by an adapter (8). A flushing pipe (5) having a liquid connector and a compressed air connector are arranged in the pipe attachment. The producer is connected with the compressed air stream device, where the producer and the compressed air stream device are implemented as fine nebula nozzle (3). An independent claim is also included for a cleaning and disinfection method for pipes, tubes and containers.

Description

The Cleaning and disinfection system for pipes, hoses and container based on the combination of different Cleaning technologies and the subsequent disinfection. The cleaning and disinfection system consists of a pipe attachment with appropriate pipe or hose adapter.

cleaning and disinfection systems for pipes and hoses are known in different versions.

A pipe and hose cleaning process shows the DE 69 837 790 T2 on. In this case, pulsed compressed gas is passed through a cleaning fluid to destroy a biofilm. Furthermore, a method for the external cleaning of hoses using a pressure-resistant cuff is described.

The DE 10 2007 021 011 A1 describes a rotary nozzle which is introduced into the tube, whereby solid particles (CO ₂ pellets) transported by a gas collide in a helical flow against the tube wall and thus dissolve contaminants.

Furthermore, it is off DE 10 2007 002 526 A1 a device is known in which a cleaning head is inserted into the tube, the tube wall is acted upon by high-pressure liquid and at the same time the suction takes place at another point of the cleaning head.

From the DE 4 438 939 C2 Pipe cleaning system is known, which intermittently introduces compressed air into a drinking water pipe to solve soiling.

Out the company publication of the company Sanosil is an easyfog device known, that the fine mist produced for disinfection via a Adapter radiates into the tube. This is an air flow with only low pressure (<0.2 bar) used. In this way, the fog exposure can not far into pipelines and branches or hoses respectively. This is especially true for thin and long pipes.

Of the Invention is based on the object, a cleaning and disinfection system for pipes, hoses and vessels and to create an associated procedure that works for Various cleaning and disinfection tasks is equally suitable. It is intended for different pipes or hoses as well as for different types and degrees of pollution be appropriate and the combined application enable different cleaning technologies. there should be contaminated z. B. of deposits, caking and biofilms in pipes or hoses and containers be eliminated. At the same time, the system is to be disinfected can be done. In particular, an effective disinfection also be possible for small pipe diameters. The disinfectant should be used efficiently and at the same time should the disposal quantities for disinfectant residues be minimized.

following The use of the term pipes also always refers to hoses and containers.

The achieved with the invention advantages are that for various cleaning tasks, such. B. cleaning of deposits, Caking and biofilms just a universal system and device is required. On the other hand, through the connections the device is comparatively small, easy to handle and inexpensive and can be connected to the respective required media lines become. The basic equipment consists of the cleaning and disinfection system from a flushing line with liquid connection and compressed air line and an aerosol mist generator and a pressure jet device. Through the purge line is liquid in the Tube filled. The pulsed compressed air supply ensures for pressure surges in the pipe and causes so a cleaning of the pipe wall z. B. of deposits, caking and biofilms. With the compressed air can also blow out the liquid out of the pipe. The pressure jet device is arranged so that it is directly opposite the pipe and a corresponding atomized disinfectant and radiates into the tube. The working with compressed air or compressed gas pressure jet device also allows for smaller pipe diameters and in branches of the pipeline effective mist exposure and disinfection. By disinfecting with fine mist can against the use of disinfecting fluid corresponding quantities of liquid and disposal costs be saved. In the header are different Connections, such as a pressure jet device, z. B. Drucknebeldüse or fine mist nozzle, a flushing line for water and if necessary cleaning agent and a compressed air line. By means of Purge line can be used in combination with the compressed air connection Druckspülvorgänge be realized. By pulse Pressure surges can trigger cavitation become, which leads to the solution of impurities. The pressure surges can be different Frequencies between overpressure and negative pressure vary.

As well is a treatment with steam or ozone possible.

The secondary claim 2 discloses a Desin Tube, tubing and container fektionsvorrichtung, in which an aerosol mist jet in a pipe to be disinfected, hose or container radiates. The mist is generated by an aerosol mist generator and set in motion by a pressure jet device. In addition to dual-fluid nozzles and high-pressure nozzles, ultrasonic generators and evaporators are also suitable as aerosol generators. By the pressure jet, preferably compressed air jet, the aerosol is transported into the pipe, the hose, containers, etc. Due to the small droplet size, the aerosol is very stable and can be used effectively in particular in comparatively long and narrow pipes, fittings, niches, etc. By disinfecting with fine mist can be compared to the use of disinfecting liquid corresponding amounts of liquid and disposal costs saved.

advantageous Embodiments of the cleaning and disinfection system for Tubes and tubes result from the subclaims. According to the Development according to claim 3 are aerosol mist generator and the Pressure jet device designed as Drucknebeldüse. This can be advantageous in a component both functions will be realized. For example, the pressure nozzle can executed as a fine mist nozzle, two-fluid nozzle or high-pressure nozzle be. The fine-mist nozzle working with compressed air or compressed gas also allows for smaller pipe diameters and in branches of the pipeline effective mist exposure and disinfection. The fine mist nozzle is a two-substance nozzle, the treatment agent with Duckluft (> 0.1 bar to about 50 bar) to a fine Aerosol nebulized. This high pressure makes it possible that a mist of very fine droplet size (0.005 to 0.1 mm) is distributed well even in narrow pipes.

In the development of the disinfection device according to claim 4 at the end of the pipe a disinfectant detector for the Disinfectant classified. This can reduce the concentration of the disinfectant be detected and thus a proof of disinfection of the whole Tube done.

With the development of the cleaning and disinfection system according to claim 5, the tube is connected by an adapter to the tube attachment. The pipe attachment is designed so that it with different Adapters can be connected. The adapters allow a firm connection with the pipe. By exchangeable adapter is It possible, the cleaning and disinfection system easy with different pipes or hoses, such as GK coupling, Stotz coupling, div. Zollgewinde, crimping, etc., too connect.

According to the Training according to claim 6 is a metering unit for Cleaning agent provided. The detergent additive allows a support of cleaning by chemical or biological Agents. Likewise, also mechanically acting Cleaning agents such as granules, dry ice etc. or other auxiliaries be added.

The Training according to claim 7 provides that in addition a gas line, a steam line, a sound source and / or a Foam generator are arranged in the pipe attachment. By means of the gas line can cleaning and / or disinfecting gases such. As ozone or hot air be introduced into the pipe. Through the steam line z. B. Heat are introduced, which by thermo-electric encrustations solves. On the other hand, the heat is at one and the same time Germ killing possible. The sound source can be sound waves in different frequency ranges, u. a. Ultrasound or infrasound, emit, which are used for cleaning and disinfection purposes can be. The sound can be both in with liquids as well as air / gases acted upon pipes are introduced. By the sound source can also cause cavitations, dissolve the impurities. Through a foam generator Foam can be introduced into the pipe to be cleaned. By the foam is a good wetting of the surface with a small amount of active ingredient possible in high drug concentration. The foam transport can by the pressure in the foam generation or by a Pressure jet nozzle to be transported in the pipe. Here you can the individual elements individually or in combination on the device be arranged.

According to the Training according to claim 8 are in the terminals of Fine mist nozzle, the flushing line, the liquid connection, of the compressed air connection, the gas line, the steam line and the Detergent line each adjustable shut-off and / or Provided check valves. These serve the individual Admit media via the pipe attachment in the pipe or the Shut off lines. This can be the sequence of Medienbeaufschlagung and controlled according to the purification levels. By the Check valves can be prevented with open lines, that media undesirably flow into other supply lines.

With The development according to claim 9 is a branch on the header arranged, which leads to an exterior cleaning device. This will be the appropriate media for exterior cleaning, in particular of hoses, usable.

According to claim 10, the exterior cleaning device is an open or closed container, in which different cleaning stages are arranged. In particular, hoses can therefore also be cleaned externally using the same media. Possible cleaning steps of the external cleaning device are prewashing stage, brush cleaning, high-pressure cleaning, rinsing stage, drying, disinfection, impregnation or labeling. The purification stages are options that can be performed as needed. For this purpose, the exterior cleaning device has the respectively required technical prerequisites for carrying out the purification steps. As a result, exterior cleaning devices with different technical equipment can be realized. With the external cleaning, disinfection, impregnation and labeling of the hoses are additionally possible.

To Claim 11 includes the cleaning and disinfection system a control unit that the adjustable shut-off devices controls, with the control unit for the program sequence is programmable. Thus, according to the respective requirement Cleaning programs including disinfection created and saved. The different cleaning programs can be called for cleaning as needed. With the programmable Control unit, the operation can be significantly simplified.

According to the Further development according to claim 12, the pipe attachment with a in connected to the tube insertable probe. The probe can be in the simplest case be an open end of the probe line. As well may have one or more outlets in the probe be arranged for the media. In the probe line can one or more channels for different media be provided. Through the probe can be longer Pipelines, in particular larger diameter, be cleaned and disinfected. With the probe can Pollution accumulations are treated particularly effectively. The closes the disinfection z. B. with cold mist. As well By moving in the pipe each area can be an indoor treatment receive. In addition, an optic can be arranged in the probe which allows a viewing of the pipe.

Of the Method claim 13 discloses that a pressure jet is an aerosol mist radiates into a pipe, hose or container. By the Fine misting of a disinfectant can do this as a mist stream far into narrow and long pipes, etc. introduced and take effect there.

in the Method claim 14 is a cleaning and disinfecting method for pipes, hoses and containers, that a treatment with liquid, possibly with detergent additive and impulsive pressurization, by means of steam, gas, aerosol, Foam, sonication, by generating cavitation and rinsing and blowing to remove the treatment agents as well as drying and / or impregnation. These Cleaning or disinfection levels can partially at the same time as well as in different order one after the other as well as omitting or repeating individual stages. This can be done on the pollution level and the cleanliness or hygienic requirements tailored cleaning or disinfection respectively.

Several Embodiments of the invention are in the drawings and will be described in more detail below. Show it:

1 a pipe header in section with arrangement of the connections,

2 a diagram of the cleaning and disinfection system for pipes and hoses,

3 a pipe attachment in section with probe,

4 the cleaning steps for the exterior cleaning and

5 a schematic representation of an embodiment of the exterior cleaning device in section.

In the following, the cleaning and disinfection system for pipes and hoses will be described in more detail: 1 shows the pipe to be cleaned and disinfected 1 that through an adapter 8th with the pipe attachment 2 connected is. On the pipe 1 opposite side is an aerosol mist generator 3a (eg ultrasonic nebulizer or evaporator) in combination with a compressed air jet device 3b arranged. Aerosol mist generator 3a and compressed air jet device 3b are shown schematically in the illustration. You are here in a fine mist 3 summarized.

The fine mist nozzle 3 is arranged so that the fog 4 into the pipeline 1 into it radiates. The fine mist nozzle 3 has a compressed air connection 27 for the atomization of the treatment agent and a liquid connection 28 through which the treatment agent with a pressure of 0.01 to 500 bar of the fine mist 3 is supplied. The nozzle 3 is here by an adjustable shut-off device 14 , z. B. a slide with a large passage cross-section of the header 2 or pipe 1 severable. The large passage cross-section allows an unobstructed passage of the mist jet 4 as far as possible in the pipe 1 into it.

Furthermore, a purge line 5 to the header 2 connected. Likewise, another media connection 29 with the pipe attachment 2 connected. This further media connection 29 may be, for example, a gas line, a compressed air line, steam line or a foam feed. The further media connection 29 and the flushing line 5 do not have to, as shown, at right angles to the pipe 1 on the header 2 be arranged. Are more advantageous connections in the pipe direction, in particular the compressed air line, such. B. at a trouser piece.

2 shows the wiring diagram for the cleaning and disinfection system. Starting from the illustration in 1 is the pipe header 2 with the flushing line 5 and the fine mist nozzle 3 including shut-off device 14 connected. Left of the header 2 Here again is the pipe to be cleaned 1 or the hose to be cleaned 1 shown. In the pipe header 2 are as a further media connections a compressed air source or line 7 , a gas source or line 11 and a steam source or steam line 12 with the pipe attachment 2 connected. Likewise, with the header 2 a foam generator, not shown, be connected for a foam feed. The compressed air source 7 , Gas source 11 and steam source 12 can be both part of the system and provided by external sources.

Each port has a shut-off device 14 , such as B. valve or slider and a check valve 15 intended. The shut-off devices 14 can be manually operated valves 14 or by z. B. a control unit 25 switched solenoid valves 14 be. Through the control valves 14 can the influx of media, such as gas, steam, compressed air, into the pipe to be cleaned 1 to be controlled. With the check valves 15 will prevent media in other unpressurized media lines 7 . 11 . 12 as well as the flushing line 5 flow back. The arrangement of the individual lines 7 . 11 . 12 is irrelevant. The wires 7 . 11 . 12 can also have a common connection with the header 2 be connected. From the pipe header 2 Here is still a connection with shut-off device 14 for the exterior cleaning 16 intended. Furthermore, the purge line 5 to the header 2 introduced.

The flushing line 5 is a fluid line 6 for water and, if necessary, detergent additive. She is here by a non-return valve 15 from the header 2 separated to allow backflow of other media into the purge line 5 to prevent. The fluid connection 6 is by a shut-off device 14 separable from the system. Below is a filter 30 arranged. After the filter 30 is a branch for the filter backwash line 31 provided, in turn, with a shut-off device 14 is provided. If the filter 30 to be backwashed, water flows through the filter backwash line 33 in the reverse direction through the filter 30 and occurs at the fluid connection 6 out. Alternatively, a commercially available backflush filter can be installed accordingly.

If the pipe 1 to be cleaned, the water passes through one or two metering devices here 9 , in which liquid or solid detergents or additives from detergent lines 10 or detergent containers 10 be added. Subsequently, the cleaning fluid flows through the purge line 5 in the pipe header 2 ,

In a modification of the representation, the compressed air line 7 also directly into the flushing line 5 lead. In addition to conventional cleaning agents additives can be supplied, for example, reduce the boiling point of the cleaning liquid to allow cavitation better for cleaning purposes.

The flushing of the pipeline 1 takes place by filling with the cleaning liquid, eg. B. by water with detergents or additives, from the purge line 5 , To increase the cleaning pressure pulses from the compressed air line 7 in the pipe 1 brought in. This cavities can be caused, for example. By these pressure pulses or cavitations z. As incrustations and biofilms of the wall of the tube 1 solved.

With the compressed air line 7 The liquid can also be blown out. By means of the gas line 11 can also z. B. done with ozone cleaning or killing germs. Likewise, the injection of hot steam can cause germ killing or cause thermal stresses that can support the dissolution of encrustations. Furthermore, here is a sound source 13 in the header 2 arranged. This can sound waves in different frequency ranges, eg. As ultrasonic or infrasonic, emit that can be used for cleaning purposes. Through the sound source 13 Local cavitations can be triggered, which dissolve impurities. Of course, other connections for other media directly or indirectly on the header 2 be provided.

In 3 is the pipe header 2 with one in the pipe 1 inserted probe 26 connected. The representation together with the associated description otherwise corresponds 1 , The probe 26 itself is in the simplest case an open end of the probe line 26 , Likewise, in the probe 26 , one nozzle or several outlets for the media, such as steam, gas, compressed air, cleaning fluid with different pressures and fog 4 be arranged. Consequently can z. As the fog steel 4 directly in the probe 26 be generated. Through the probe 26 Similarly, appropriate additives for cleaning, disinfection, care, etc. can be applied. The nozzles can be directed in different directions, in particular on the pipe wall. In the probe line 26 For example, one or more channels (not shown) may be provided for different media. Through the probe 26 longer pipelines, especially larger diameters, can be cleaned and disinfected. In particular, in the filled with cleaning fluid tube 1 local pressure surges by compressed air supply by means of probe 26 be realized effectively. For this purpose, an arrangement of a controllable shut-off device (not shown) in the probe 26 appropriate. Likewise, in the probe 26 a sound source 13 be arranged for ultrasound or infrasound. In addition, for example, can be triggered by pressure surges and / or ultrasound or infrasound cavitation to dissolve impurities. With the probe 26 Contaminant accumulations can be treated particularly effectively. By advancing the probe 26 in the pipe 1 Each area can receive an indoor treatment. In the probe 26 In addition, an optics (not shown) may be arranged, which is an inside view of the tube 1 allows.

4 shows a possible sequence of cleaning steps for the external cleaning of hoses. In the pre-wash stage 17 the soaking of the contaminant takes place, with the subsequent brush cleaning 18 firmly adhering dirt is mechanically loosened. Following can be a high pressure cleaning 19 release further adherent dirt particles. In the rinsing stage 20 become the dirt particles with the cleaning liquid or rinsing liquid from the exterior cleaning device 16 away. It closes a drying 21 z. B. with hot air. Disinfection 22 can be done by a cold mist. An impregnation 23 and a label 24 , z. As badge or imprint, to prove the treatment carried close to here.

The stages may vary in order, individual stages, e.g. B. rinse, can be repeated several times or even omitted. The individual steps can be in the outdoor cleaning device 16 be realized by separate sections. It is also possible that the hose 1 several times the exterior cleaning device 16 goes through, in each case then different purification levels are realized. Likewise, a combination of both previously described variants is possible, for. B. by pre-washing and brush cleaning take place in parallel.

In 5 is a variant of the exterior cleaning device 16 for hoses 1 shown. The hose 1 is here by transport rollers 32 through the exterior cleaning device 16 emotional. In this case, the outer cleaning device has shown 16 a trough-shaped shape that causes cleaning fluid in the exterior cleaning device 16 remains. Through locks or stiffening devices 33 , such as B. rubber bristles, it is additionally ensured that the liquid in the exterior cleaning device 16 remains. In the outdoor cleaning device 16 are rotating or fixed cleaning brushes 34 arranged, which support the cleaning by mechanical action. Through the line connection 35 is z. B. cleaning or rinsing liquid in the exterior cleaning device 16 brought in. Through this line connection 35 or other lines can also steam, cold mist, etc. are introduced. The direct arrangement of the fine mist nozzle is advantageous 3 in the working space of the exterior cleaning device 16 , Likewise, lines and nozzles for high pressure cleaning (not shown) may be arranged. At the lowest point is a bottom outlet 36 arranged to the working space of the exterior cleaning device 16 to be able to empty. This is just like the other lines, connections, etc. provided with a shut-off device (not shown). With the illustrated embodiment of the exterior cleaning device 16 can use several purification stages, as in 4 shown to be realized one after the other. This can be the hose 1 through the transport rollers 32 or hose drums are moved accordingly. For individual cleaning stages, it may be advantageous that the hose 1 Under pressure, what happens by filling the hose 1 is easy to implement.

1

Pipe, Pipeline, hose, tank

2

pipe intent

3

Aerosol mist generator ( 3a ) with pressure jet device ( 3b ), Pressure mist nozzle, fine mist nozzle, cold mist nozzle, two-fluid nozzle, nozzle, high-pressure nozzle,

4

Mist jet, Aerosol mist jet, fog, aerosol mist pressure jet

5

flushing line

6

liquid port

7

Piping, Compressed air source, compressed air line

8th

adapter

9

dosing

10

Detergent line Detergent container, additive feed

11

Gas line, gas source

12

Steam line steam source

13

sound source

14

adjustable Shut-off device, slide, valve, solenoid valve

15

Check valve, check valve

16

Exterior cleaning device

17

prewash

18

brush cleaning

19

High Pressure Cleaning

20

rinsing

21

desiccation

22

disinfection

23

Impregnate

24

Labelling

25

control unit

26

Probe, probe cable

27

Compressed air connection the nozzle

28

liquid port the nozzle

29

Further media connections

30

filter

31

Filterrückspülleitung

32

Transport wheels, hose reels

33

locks, Absteifvorrichtung

34

cleaning brushes

35

line connection

36

Grundablass

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 69837790 T2 [0003]
• DE 102007021011 A1 [0004]
• DE 102007002526 A1 [0005]
• - DE 4438939 C2 [0006]

Claims (14)

Cleaning and disinfecting system for pipes, hoses and containers for the removal of deposits, caking biofilms and other impurities, characterized in that a pipe ( 1 ) with a pipe attachment ( 2 ) and in the header ( 2 ) an aerosol mist generator ( 3a ) with a pressure jet device ( 3b ) is arranged so that a fog jet ( 4 ) in the pipe ( 1 ) and continues in the header ( 2 ) a purge line ( 5 ) with fluid connection ( 6 ) and a compressed air connection ( 7 ) are arranged. Disinfection device for pipes, hoses and containers, characterized in that an aerosol mist generator ( 3a ) with a pressure jet device ( 3b ) and the pressure jet device ( 3b ) on a pipe to be disinfected ( 1 ) or containers ( 1 ), that the aerosol mist pressure jet ( 4 ) in the pipe ( 1 ) or the container ( 1 ). Cleaning and disinfection system according to claim 1 or disinfecting device according to claim 2, characterized in that the aerosol mist generator ( 3a ) and the pressure jet device ( 3b ) as a pressure mist nozzle ( 3 ) are executed. Disinfecting device according to claim 2 or 3, characterized in that on the pressure nebuliser ( 3 ) opposite end of the tube ( 1 ) a disinfectant detector is arranged. Cleaning and disinfection system or disinfection device according to claim 1 or 3 and 4, characterized in that the tube ( 1 ) through an adapter ( 8th ) with the tube attachment ( 2 ) and the header ( 2 ) with different adapters ( 8th ) is connectable. Cleaning and disinfection system according to claim 1, 3 and 5, characterized in that in the flushing line ( 5 ) at least one dosing unit ( 9 ) with a detergent feed line ( 10 ) is arranged. Cleaning and disinfection system according to claim 1, 3, 5 and 6, characterized in that in the pipe attachment ( 2 ) a gas line ( 11 ) and / or a steam line ( 12 ) and / or a sound source ( 13 ) and / or a foam generator are arranged. Cleaning and disinfection system according to claim 1, 3, and 5 to 7, characterized in that following the nebuliser ( 3 ), in the flushing line ( 5 ), the fluid connection ( 6 ), the compressed air connection ( 7 ), the gas line ( 11 ), the steam line ( 12 ), the foam generator and the detergent line ( 10 ) each adjustable shut-off devices ( 14 ) and / or check valves ( 15 ) are arranged. Cleaning and disinfection system according to claim 1, 3, and 5 to 8, characterized in that in the pipe attachment ( 2 ) a branch is arranged, which leads to an external cleaning device ( 16 ) leads. Cleaning and disinfection system according to claims 1, 3 and 5 to 9, characterized in that the external cleaning device ( 16 ) is an open or closed container and in the container devices for the realization of various purification stages, such as prewash ( 17 ), Brush cleaning ( 18 ), High pressure cleaning ( 19 ), Rinsing stage ( 20 ), Drying ( 21 ), Disinfection ( 22 ), Impregnation ( 23 ) and labeling ( 24 ) are arranged. Cleaning and disinfection system according to claim 1, 3, and 5 to 10, characterized in that the adjustable shut-off devices ( 14 ) by a control unit ( 25 ) are controllable and in the control unit ( 25 ) a program sequence with an operating unit or by connecting a computer is programmable, this program in the memory of the control unit ( 25 ) can be stored and retrieved. Cleaning and disinfection system according to claim 1, 3, and 5 to 11, characterized in that the pipe attachment ( 2 ) with one in the pipe ( 1 ) insertable probe ( 26 ) connected is. Disinfection method for pipes, hoses and containers, characterized in that a pressure jet of 0.1 bar to 50 bar an aerosol mist ( 4 ) in a pipe to be disinfected ( 1 ) or container ( 1 ) shine. Cleaning and disinfection process for pipes, Hoses and containers, characterized that for cleaning and / or disinfecting a treatment with liquid, if necessary with addition of detergent and pulsed pressurization, by steam, gas, aerosol, foam, sound the generation of cavitation and rinsing and blowing for removing the treating agent as well as drying and / or Impregnation takes place.