DE102009031044A1 - Connection for supply water main pipe to consumer between reverse osmosis system and dialysis equipment, comprises housing and filling line for supply water, where filling line is closed by permeated opening valve - Google Patents

Abstract

The connection of a secondary line of a pure water main line to a consumer such as a dialysis machine, with a housing and a filling line for the pure water, which can be closed by a permeate release valve, is characterized by a hose connection block, which has a first bore connected to the secondary line and has a second bore connected to a discharging line, which open into one another, and an associated third bore leading out of the hose connection block, in which a preferably spring-loaded valve is arranged, which in a coupling state of the hose connection block is set into the open position, the third hole of the hose connection block is connected to the filling line.

Description

The The invention relates to a connection of a secondary line preferably a loop, a pure water main supply line to a dialysis machine or to another, with ultrapure water equipment to be supplied, as for example in the pharmaceutical industry is used.

The invention will be described below in connection with a dialysis machine. The dialysis machine has a housing and a filling line in the housing for the pure water or ultrapure water, which can be closed by a water inlet valve or Permeatfreigabeventil. The pure water or ultrapure water leading main supply line is normally designed as a loop. From this ring line branch lines or secondary ring lines can branch off, each with an infeed and a returning wiring harness, as for example in the DE 102 62 036 the applicant of the present patent application is disclosed. The secondary ring line is formed by a U-shaped bent tube, which centrally contains a coupling to which a hose is attached, via which the secondary loop is connected to the dialysis machine.

at the currently used secondary ring lines there is the problem that a dead space or dead space coupling to a dialysis machine is not possible.

So far is also not a direct sampling on the dialysis machine possible, and the flow of the supplied Permeats are not monitored, which increases the risk of stagnation after a disinfection of a dialysis machine and the associated Leadership brings with it. The size of the flow or the flow rate of the supplied Permeats in the secondary loop are not detected.

Furthermore There is no possibility of a direct rinse the individual secondary ring lines z. B. after a Disinfection.

additionally also exists with existing ones not with secondary ring lines retrofittable main supply lines the need the flushing and disinfection of the consumer connections or their filling lines.

Furthermore are the used coupling materials made of stainless steel d. H. she are hard to work with, expensive and hot clean the permeate lines to isolate against contact and heat loss.

It is desirable, a microbiological, chemical and physical perfect supply of ultrapure water consumers, in particular of dialysis machines or permeate storage containers, too even where existing installations are concerned or heterogeneous consumer connections.

Of the The present invention is primarily based on the object, a cost-effective, dead space-free or dead space low coupling a secondary loop to a consumer, in particular to to allow a dialysis machine.

These The object is achieved by the features of claim 1.

advantageous Embodiments of the invention are in the subclaims characterized.

The The invention provides a coupling, preferably one on the Housing of the device or the Permeatvorratsbehälters attached consumer connection block and a so coupled Hose connection block, wherein the hose connection block in the case of a secondary loop one with the supply hose the secondary ring line connectable first bore and one with the return hose of the secondary Ring line has connectable second bore which into each other open and in the hose connection block a form tapered, preferably conical inlet. It also contains the hose connection block one with this preferably conical Inlet connected third hole, preferably at the opposite Side of the hose connection block has an output, wherein in the third bore or in the conical inlet a preferably spring-loaded valve is arranged in the decoupled state of the hose connection block the third hole closes and in the assembled with the consumer terminal block Condition is offset in the open position. The valve is backwashed in the conical inlet.

Further the invention provides that the third bore of the hose connection block in the coupling state with a bore of the consumer connection block is in flow communication, which is an output from the load port block has connected to the filling line of the device becomes. In the filling line of the consumer or on the consumer connection block Furthermore, the water inlet valve or permeate release valve is attached, the the flow of permeate through the consumer connection block block or free.

It is preferred that the permeate release valve is the third bore of the hose close the block or their outlet nozzle or filling line or can release.

In order to the permeate release valve is in close proximity the conical inlet of the hose connection block of the coupling, wherein the spring-loaded valve is backwashed.

The The invention provides a flush valve with great advantage for rinsing or disinfecting the secondary loop or the consumer supply line in existing loops or heterogeneous consumer connections in which the consumer connection block in the form described can not be used is.

in this connection is provided by the consumer or the dialysis machine independent hose connection block and downstream the hose connection block to install a purge valve. For monitoring or regulating the flushing flow a flow monitoring or flow control is provided. This part of the circulation line must already exist Installations do not necessarily end in the permeate ring, but can also directly via the purge valve Run out.

Advantageous is doing, the control of the purge valve over the electronics of the RO system and a BUS connection to address the flush valves. The control can also be via the consumer or also in combination of RO plant and consumer become.

In order to is a virtually dead space-free coupling as well as a flush or disinfecting the secondary loop to the consumer, z. B. accomplished to the dialysis machine.

Of the Hose connection block and the consumer connection block are preferred made of plastic, so that the coupling with relatively low material costs can be produced. To then the clutch against to protect unwanted unscrewing from the hose connection block, it is secured by means of a screwed connection.

The Permeate release valve connected to that of the hose connection block opposite side of the consumer connection block is attached, preferably includes a spring-loaded plunger, the includes a seal actuator which is against a valve seat at the outlet of the third hole of the hose connection block can be pressed. When the plunger is electromagnetically back is drawn, the permeate flows through the bore of the Consumer connection block and the outlet nozzle to which the filling line attached to the dialysis machine.

With great advantage is provided that the bore of the consumer connection block except the exit to the filling line of the dialysis machine Entrance, with which a return line of the pipe system the dialysis machine is connected. This can help with cleaning or disinfection of the dialysis machine a recirculation circuit through the bore of the consumer connection block, so that also cleaned or disinfected the bore of the consumer connection block can be. It is advantageous the recirculation line of the Consumer connection block with other consumers such. B. to connect a permeate tank.

If the water inlet valve or Permeatfreigabeventil the consumer connection block the Flow of permeate into the bore of the consumer connection block free, flows the supplied permeate due the pressure conditions automatically in the filling line of the dialysis machine.

The Bore of the consumer connection block is preferred transverse to the third bore of the hose connection block, wherein the Permeate release valve is positioned so that its plunger preferably perpendicular to the bore of the consumer connection block close the third bore of the hose connection block can.

The Coupling of the two blocks can be achieved by a locking / sliding sleeve connection, a rotary / locking connection or a rotary / ring connection done.

With great advantage may also be provided that a sampling valve either on the hose connection block or the consumer connection block is attached and with an associated hole one of both coupling parts is in communication. This can be on easy Make a sample of the permeate in the immediate vicinity of the dialysis machine be removed.

The Sampling valve contains a great advantage a conically widening bore, from the the withdrawn permeate almost completely drains, without permeate drops sticking to the walls of the hole stay. This is a contamination of the permeate at the outflow largely avoided from the sampling valve. The hole can also be flamed before sampling, eliminating any pollution the sample is excluded.

By the circulation connection of the dialysis machine to the consumer connection block is with every cleaning process of the dialysis machine the Range of Permeatzulaufs with purified.

Further It is suggested that in the terminal block or the Hose connection block a flow or flow meter is integrated. The flowmeter can only be used with an optical display, or also provided with an optical and / or acoustic alarm be. Constant flow orifice plates can be used in all permeate constructions be used.

Further Details of the invention will become apparent from the following description some preferred embodiments and with reference to the drawings. Showing:

1 a flow diagram of the connection between a RO system and a dialysis machine;

1a a plurality of dialysis machine ports without connecting the returning secondary loop lines to the permeate main supply line;

2 a preferred embodiment of the coupling in the coupled state;

3 a second embodiment of the coupling in the coupled state;

4 a third embodiment of the coupling in the decoupled state;

5 a fourth embodiment of the coupling in an exploded view of its components;

6 a further embodiment of the coupling in different views and

7 and 8th a one-piece coupling with and without hose connection element.

1 shows a flow chart of the connection between a RO plant (reverse osmosis system) 1 and a consumer 18 , which may be a dialysis machine. A permeate main supply line consists of one from the RO plant 1 away leading main supply line 2 and one to the RO facility 1 leading back line 3 , Into the line 2 are two flow resistances 4 . 13 integrated at a distance from each other. With the supplying main supply line 2 and the returning main supply line 3 each have a sampling valve 8th and a conductivity meter 5 in connection. With the reference numerals 23 . 24 and 25 are a connection for the lead-out line 2 , a connection for forwarding and a connection for a return line. With the RO system 1 is a controller 22 in connection.

From the outgoing main supply line 2 branches a secondary loop 26 off at the main outgoing power line 2 a permeate release valve 6 contains. The permeate release valve 6 can via the conductivity measuring device 5 be switched.

The secondary loop 26 , which preferably consists of hoses, is via a coupling 9 with a consumer 18 , For example, a dialysis machine connected. The coupling 9 is from a hose connection block 16 and a consumer connection block 17 releasably put together. A permeate release valve 6 in the consumer connection block 17 If necessary, the inflow of the permeate into a filling line 20 free. In the filling line 20 are at a distance from each other two more Permeatfreigabeventile 6 integrated, from the intervening line section, a drain line with a flush valve 7 branches. That through the pipe 20 flowing permeate enters an inlet vessel 21 a consumer, which may be, for example, the feed tank of a dialysis machine. Into the line of the consumer connection block 17 opens a circulation line of the dialysis machine or other Permeatverbraucherleitung such. B. a peremeat tank via a backflow prevention valve 19 one.

Between the two spring-loaded river chokes 4 and 13 branches a line with a purge valve 7 with downstream flow sensor 12 and a flow regulator 10 off and ends in a free outlet 14 ,

1a shows the connection of the purge valve 7 with downstream flow sensor 12 and a flow regulator 10 (not shown) at several dialysis machine connections and a permeate main supply line which is not intended for the connection of the returning secondary ring line.

In 2 a preferred embodiment of the coupling according to the invention is shown. The consumer connection block 16 is so on the housing of the dialysis machine 18 attached that connection for the filling pipe 20 and the connection for the circulation line 37 of the dialysis machine and the Permeatfreigabeventil 6 protrude into the interior of the dialysis machine. The bores of the two hose sockets for the pipes 20 and 37 form together with a right-angled transverse bore a U-shaped passageway. A plunger 36 the permeate release valve 6 contains a seal plate, which can close a channel opening into the transverse bore. The hose connection block 16 contains two with the supply and the return of the secondary loop 26 connected bores leading into a conical inlet 28 open out. The subsequent canal leading to the Is passed through a valve 39 Lockable, that of a valve spring 27 is acted upon and when assembling the clutch 9 of valve shoulders 31 against the force of the spring 27 is moved to the open position. The valve 39 is backwashed. The coupling 9 is by a locking sliding sleeve 32 detachably assembled. With the reference numerals 33 and 34 are called a coupling counterpart and locking balls. The coupling 9 is by means of a thread 29 and a locking connection 30 secured against unintentional release. In the to the consumer connection block 17 leading channel is a flow regulator 10 arranged.

A sample take-off valve 8th sits in a hole in the hose connection block 16 and stands with one of the two channels or the conical inlet 28 in connection. The sample removal valve 8th has a conical outlet opening for a sample of the incoming permeate removed from the bore.

5 shows a further embodiment of the consumer connection block 17 and the hose connection block 16 the clutch. On the hose connection block 16 sits a torsion sleeve 40 that are inside a twist stop 41 so twistable is that with their locking tabs 42 behind a lock holder 43 of the consumer connection block 17 locks. The sampling valve 8th is again shown in the embodiment shown as dead space, tapered outlet valve. The permeate release valve 6 contains a plunger 36 in the closed state, the permeate line from the filling line 20 of the dialysis machine shut off.

In the 3 and 4 Further embodiments of the coupling according to the invention are shown. The consumer connection block 17 is so on the housing of the dialysis machine 18 attached that the hose connection piece for the filling line 20 of the dialysis machine and the hose connection for the circulation line 37 of the dialysis machine and the Permeatfreigabeventil 6 protrude into the interior of the dialysis machine. The bores of the two hose nozzles together with a transverse bore perpendicular thereto form a U-shaped passageway. The plunger of the permeate release valve 6 includes a seal plate, which can close a channel opening into the transverse bore, in the coupled state of the coupling an outlet 44 of the hose connection block 16 entry.

The hose connection block 16 contains a likewise U-shaped through-channel with two hose sockets to which the hoses of the secondary loop are to be attached. Another hole runs to the outlet nozzle 44 and contains the spring-loaded valve 39 that in the in 4 illustrated decoupled state of the hose connection block 16 the exit hole closes. In the coupled state, the valve is pushed back against spring force, whereby the outlet opening is free.

At the in 4 illustrated embodiment sits a sample-removal valve 8th in a bore of the consumer connection block 17 , The sample removal valve 8th has a conical outlet 45 for a sample of the incoming permeate taken from the bore. At the in 3 illustrated embodiment of the invention sits the sample-removal valve 8th in a hole in the hose connection block 16 ,

6 shows an embodiment of the coupling according to the invention, in which the consumer connection block 17 and the hose connection block 16 Hose connections and holes for connection of a concentrate drain and a dialysis machine drain line. However, it is within the scope of the invention that these supply and / or discharges elsewhere in the housing of the dialysis machine - and not by the coupling parts - are arranged.

The 7 and 8th show a one-piece coupling element 45 which is essentially the hose connection block 16 the two-piece clutch corresponds. The coupling element 46 is so attached to the housing of a dialysis machine that be with the valve 39 provided connection piece 47 into the interior of the housing protrudes, where a hose connection element 48 that with the filling line 20 is connected, so with the outlet 47 it can be coupled that the valve 39 is opened. The permeate release valve in this embodiment is downstream of the illustrated coupling.

The one-piece clutch 46 is with a sampling valve 8th provided, which corresponds to the sampling valve described above and creates the possibility for a direct sampling. In the one-piece clutch 46 In turn, a flow meter or flow meter can be integrated, which can also be arranged downstream in the hose line.

Also This one-piece coupling element is within the scope of the invention.

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 10262036 [0002]

Claims (14)

Connecting a secondary line of a pure water main line to a consumer such as a dialysis machine, comprising a housing and a filling line for the pure water, which is closable by a permeate release valve, characterized by a hose connection block ( 16 ), one with the secondary line ( 26 ) has a first bore connected thereto and a second bore connected to a discharging line, which open into one another, as well as an associated one, from the hose connection block ( 16 ) leading third hole in which a preferably spring-loaded valve ( 39 ) arranged in a coupling state of the hose connection block ( 16 ) is offset into the open position, wherein the third bore of the hose connection block ( 16 ) communicates with the filling line. Connection according to claim 1, characterized in that the two bores ( 26 ) of the hose connection block ( 16 ) in a tapered to the third hole inlet ( 28 ). Connection according to claim 2, characterized in that that the inlet tapers substantially conically. Connection according to claim 2 or 3, characterized in that the valve ( 39 ) in the inlet ( 28 ) is backwashed. Connection according to one of claims 1 to 4, characterized in that with the hose connection block ( 16 ) a preferably attached to the housing consumer terminal block ( 17 ) by means of a coupling ( 9 ), which has a bore which communicates with the third bore of the hose connection block ( 16 ) and has an output connected to the filling line ( 20 ) is connected to the consumer, and wherein at the consumer terminal block ( 17 ) the permeate release valve ( 6 ) is attached. Connection according to one of claims 1 to 5, characterized in that the permeate release valve ( 6 ) the third bore of the hose connection block ( 16 ) can close or release. Connection according to claim 5, characterized in that the bore of the consumer connection block ( 17 ) also has an entrance ( 37 ), which is connected to a circulation line of the dialysis machine. Connection according to claim 5 or 7, characterized in that the bore of the consumer connection block ( 17 ) transverse to the third bore of the hose connection block ( 16 ) runs. Connection according to one of claims 1 to 8, characterized in that a sampling valve ( 8th ) on the hose connection block ( 16 ), which is connected to a bore of the hose connection block ( 16 ). Connection according to one of claims 5, 7 or 8, characterized in that a sampling valve ( 8th ) on the consumer connection block ( 17 ), which is connected to a bore of the consumer connection block ( 17 ). Connection according to claim 9 or 10, characterized in that the sampling valve ( 8th ) a conically widening bore ( 45 ) having. Connection according to one of the preceding claims, characterized in that the hose connection block ( 16 ) and the consumer connection block ( 17 ) consist of plastic. Connection according to one of claims 1 to 12, characterized in that the secondary line is a loop ( 26 ) and that the laxative line of the loop ( 26 ) opens into the pure water main line. Connection according to one of claims 1 to 12, characterized in that the secondary line is a spur line and that the laxative line a flush valve ( 7 ) and leads to an outflow.

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